Gear powder metallurgy die
Technical Field
The utility model relates to the technical field of gear production, in particular to a gear powder metallurgy die.
Background
Powder metallurgy is a process technology for preparing metal powder or using metal powder (or a mixture of metal powder and non-metal powder) as a raw material and manufacturing metal materials, composite materials and various products through forming and sintering, and the advantage of the powder metallurgy method is that the metal composite materials with simple shapes and structures such as heat dissipation substrates are prepared at lower cost. Powder metallurgy includes powder production and product production, and powder production is mainly metallurgical process.
The utility model discloses a publication number is CN213645863U like chinese patent publication, discloses a special production mould of helical gear for powder metallurgy, relates to helical gear production technical field, including the bed die, the top of bed die is fixed with the mould, and the bottom surface of bed die is fixed with the seat, and the interior roof fixedly connected with mounting panel of seat, the mid-mounting of mounting panel has the bull stick, and the outside suit of bull stick is fixed with the carousel, and the fixed surface of carousel is connected with the projection. According to the utility model, the linkage of the first movable arm, the second movable arm, the first movable rod, the sliding plate and the second movable rod is realized by rotating the handle to drive the turntable to rotate, and the ejector rod can be controlled to move upwards, so that the ejector rod can be used for demolding a finished product in the cavity.
Through using this mould discovery, this mould can be with the finished product drawing of patterns, but when using, the bull stick drives the carousel rotatory, and the one end of projection drive first movable arm is circular motion, and the other end promotes the second movable arm, promotes first movable rod, promotes the slide, promotes the second movable rod, and finally, the second activity promotes the ejector pin, and it is ejecting with the finished product through the kicking block, and this structure is too complicated, and frictional force is too big, and the structure is unstable, and the practicality is lower.
Disclosure of utility model
The utility model aims to provide a gear powder metallurgy die for solving the problem that the structure is too complex.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gear powder metallurgy die, includes the metallurgy die main part, the bed die is installed at the top of metallurgy die main part, the fixedly connected with slide rail in metallurgy die main part inner wall top, the inside sliding connection of slide rail has first rack, the top fixedly connected with kicking block of first rack, the inside of metallurgy die main part is equipped with the gear main part, the middle part fixedly connected with third support of metallurgy die main part, the middle part sliding connection of third support has the second rack, the bottom fixedly connected with of second rack removes the frame, the middle part rotation of metallurgy die main part is connected with the dwang, the middle part fixedly connected with dwang of dwang.
Preferably, a first bracket is arranged on the rear side of the metallurgical die main body, a cylinder is arranged at the top of the first bracket, and an upper die is fixedly connected to the bottom of the cylinder.
Preferably, a second bracket is fixedly connected to the top of the inner wall of the metallurgical die main body, and the second bracket is rotationally connected with the gear main body.
Preferably, the front side of the rotating rod is fixedly connected with a rotating wheel.
Preferably, the first rack is engaged with the gear body, and the gear body is engaged with the second rack.
Preferably, the rotating block is inside the moving frame.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the rotating wheel is rotated to enable the rotating rod to rotate, the rotating block rotates, the side face of the rotating block is far, one end of the rotating block is near, the moving frame moves downwards during rotation, the second rack moves downwards, the gear main body rotates to enable the first rack to slide upwards, the jacking block moves upwards, the jacking block stretches out to push out the prepared gear, demoulding is completed, and the rotating wheel is continuously rotated, so that the jacking block moves downwards, resets, and the device has a simple structure and is increased in practicability.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side sectional view of the present utility model;
FIG. 3 is a schematic view of the front cross-sectional structure of the present utility model;
Fig. 4 is a schematic diagram of the structures of the top block and the first rack of the present utility model.
In the figure: 1. a metallurgical mold body; 101. a first bracket; 102. a cylinder; 103. an upper die; 104. a lower die; 2. a slide rail; 201. a first rack; 202. a top block; 3. a gear body; 301. a second bracket; 4. a third bracket; 401. a second rack; 402. a moving frame; 5. a rotating block; 501. a rotating lever; 502. and rotating the wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a gear powder metallurgy die, including metallurgical die body 1, lower mould 104 is installed at the top of metallurgical die body 1, put into the lower mould 104 with metal powder, metallurgical die body 1 inner wall top fixedly connected with slide rail 2, slide rail 2's inside sliding connection has first rack 201, first rack 201 slides in slide rail 2 inside, first rack 201's top fixedly connected with kicking block 202, after the preparation is accomplished, first rack 201 moves up, kicking block 202 moves up, release the finished product of making, the inside of metallurgical die body 1 is equipped with gear body 3, gear body 3 totally four, first rack 201 also has four, push out the finished product in four directions, metallurgical die body 1's middle part fixedly connected with third support 4, third support 4's middle part sliding connection has second rack 401, second rack 401 slides from top to bottom in third support 4 department, all there are tooth teeth around second rack 401, the bottom fixedly connected with movable frame 402, metallurgical die body 1's middle part rotates and is connected with the dwang, the dwang passes whole metallurgical die body 1, and the top piece is used to push out, accomplish the drawing of patterns, finish of patterns, the inside of metallurgical die body 1 is equipped with gear body 3, gear body 3 totally has four, first rack 201 also has four, in four directions, top-down fixedly connected with third support 4, second rack 401, the middle part sliding connection has tooth 401, tooth on top of third support 4, tooth top is, tooth on top of third support 4, tooth 401, tooth down all right top is, tooth down, and tooth down has, tooth down, and bottom of tooth down, and bottom 401.
The first bracket 101 is installed at the rear side of the metallurgical die main body 1, the cylinder 102 is installed at the top of the first bracket 101, the upper die 103 is fixedly connected to the bottom of the cylinder 102, after the metal powder is put into the lower die 104, the cylinder 102 is started, the metal powder is pressed tightly through the upper die 103, the using effect is achieved, and the upper die 103 is matched with the lower die 104.
The second bracket 301 is fixedly connected to the top of the inner wall of the metallurgical mold main body 1, the second bracket 301 supports the gear main body 3, the second bracket 301 is rotationally connected with the gear main body 3, the gear main body 3 rotates at the second bracket 301 and can only rotate, and movement in other directions cannot be achieved.
Wherein, the front side fixedly connected with rotation wheel 502 of dwang 501, convenient rotation dwang 501, rotation wheel 502 front side is rotatable handle, convenient to use.
The first rack 201 is meshed with the gear body 3, the gear body 3 is meshed with the second rack 401, and the second rack 401 moves, so that the gear body 3 can rotate, the first rack 201 moves, and the second rack 401 and the first rack 201 move in opposite directions.
Wherein, the rotating block 5 is inside the moving frame 402, the rotating block 5 rotates, the moving frame 402 can move up and down, the far end of the rotating block 5 is upward, the moving frame 402 is above, the far end of the rotating block 5 is downward, and the moving frame 402 is below.
Working principle: when the metal powder injection molding machine is used, metal powder is put into the lower die 104, after the metal powder is put into the lower die 104, the air cylinder 102 is started, the metal powder is compressed through the upper die 103, after the compression, the air cylinder 102 is retracted, the rotating wheel 502 is rotated, the rotating rod 501 rotates, the rotating block 5 rotates, the side face of the rotating block 5 is far away from one end and near to the other end, the moving frame 402 moves downwards during rotation, the second rack 401 moves downwards, the gear main body 3 rotates, the first rack 201 slides upwards, the top block 202 moves upwards, the top block 202 stretches out, the manufactured gear is pushed out, demolding is completed, the rotating wheel 502 is continuously rotated, the top block 202 moves downwards, and the metal powder injection molding machine is reset and has a simple structure and increased practicability.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model, the scope of which is defined in the appended claims and their equivalents.