CN210390224U

CN210390224U - Die frame mechanism for high-precision powder die pressing forming servo press

Info

Publication number: CN210390224U
Application number: CN201921027554.5U
Authority: CN
Inventors: 文思润; 唐定兵; 张长亮; 陈勇
Original assignee: Mianyang Huatong Magnetic Technology Co ltd
Current assignee: CETC 9 Research Institute
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-24
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a high-accuracy powder die carrier mechanism for die-pressing servo press, including female type, go up sliding assembly, lower sliding assembly, motionless mould mounting panel, the mould mounting panel, well stick seat and plug, motionless mould mounting panel top is installed down the type seat, and leave the clearance down between type seat and the motionless mould mounting panel, be equipped with down the type on the type seat down, clearance between lower type seat and the motionless mould mounting panel is equipped with well stick seat, lower type seat top is equipped with the mould mounting panel, install female type on the mould mounting panel, well stick seat and female type fixed connection, processing has a plurality ofly and lower type clearance fit's die cavity on the female type, be equipped with many plugs that run through down the type on the well stick seat, and the die cavity is arranged in to the plug top. The utility model discloses a set up female type on the mould mounting panel and set up and female type matched with type, lower type and plug, can conveniently compress the powder that fills into the endocentric tube-shape product of inner and outer ring, can guarantee the suppression precision of equipment simultaneously.

Description

Die frame mechanism for high-precision powder die pressing forming servo press

Technical Field

The utility model relates to a powder processing die carrier field especially relates to a servo die carrier mechanism for press of high-accuracy powder moulding.

Background

Powder metallurgy is a process and technology for manufacturing metal powder and metal materials and special-shaped products by using the metal powder as a basic raw material. In powder metallurgy, press molding is the most important and widely used molding method. The die forming is to put metal powder or powder mixture into a steel die, pressurize the powder by the die, release the pressure, and remove the pressed compact from the die to complete the forming process. And the die frame is necessary process equipment for manufacturing the powder metallurgy product.

The existing powder forming machine adopts a powder forming machine as equipment, but a die carrier adopted by the existing powder forming machine is that a middle die provided with a female die is fixed on a machine tool, the upper side and the lower side of the female die are connected with an upper die and a lower die, a product is pressed by matching the upper die with the female die, and then the product is ejected by the lower die. But current female mould and go up between mould and the lower mould because be floating connection, lead to going up the position on the mould of mould and lower mould alignment that is difficult to the accuracy easily, cause the damage of mould easily, in addition because go up mould and lower mould and female mould floating connection, the deviation that consequently produces when going up mould and lower mould motion can lead to the product atress of suppressing inhomogeneous, it is difficult to hold with the position of female mould contact to go up mould and lower mould, consequently need debug repeatedly through professional technical staff when mould and lower mould are being installed, lead to the installation loaded down with trivial details. In addition, the existing upper die and the lower die provide power for moving up and down through the rocker arms, so that powder filling in the female die is unstable easily, and the precision of pressed products is poor.

Disclosure of Invention

An object of the utility model is to provide a high-accuracy powder die-pressing shaping servo die carrier mechanism for press that the suppression precision is high, the debugging is convenient.

The utility model aims at realizing through the following technical scheme:

the utility model provides a high-accuracy powder die carrier mechanism for compression molding servo press, includes female type, with female type complex upper sliding subassembly and the lower sliding subassembly of being connected with female type, still includes immovable mould mounting panel, well stick seat and plug, the immovable mould mounting panel top is installed down the type seat, and leaves the clearance between type seat and the immovable mould mounting panel down, the surface mounting of type seat down has a plurality of vertical and hollow types down, and the clearance between type seat down and the immovable mould mounting panel is equipped with well stick seat, is equipped with the mould mounting panel down above the type seat, installs female type on the mould mounting panel, well stick seat and female type fixed connection, processing has a plurality of die cavities with type clearance fit down on the female type, be equipped with many plugs that run through the type on the well stick seat, and the plug top is arranged in the die cavity, the immovable mould mounting panel below is equipped with the lower sliding subassembly, lower sliding assembly includes lower slider, the lower servo motor connecting block that the slider reciprocated under the drive and connects the lower guide post of slider and mould mounting panel down, mould mounting panel top is equipped with sliding assembly, go up sliding assembly and include last slider, the last servo motor connecting block that the slider reciprocated on the drive, connect mould mounting panel and last slider last guide post, install at the upper die base of slider bottom and install the upper die in upper die base bottom, the upper die has a plurality ofly, and a plurality of upper die and die cavity clearance fit, and upper die, die cavity, lower die and plug enclose into a hollow cylinder.

The middle rod seat is U-shaped, the core rod is installed on the inner bottom surface of the middle rod seat, and the top surface of the U-shaped middle rod seat is connected with the female die.

And the middle rod seat is provided with a core rod cover plate for fixing the core rod.

The female type surface of die cavity one side is equipped with feeding mechanism, feeding mechanism includes the bottom plate, install driving motor on the bottom plate, with lead screw, the suit on the lead screw of driving motor's output shaft and with lead screw thread fit's nut seat, articulate the hopper at the U type frame of nut seat and the U type shelf location, the bottom plate is fixed in the frame of mould one side, be connected with U type frame through the universal joint on the nut seat is close to the lateral wall on one side of the mould, and the one end that the universal joint was kept away from to U type frame is connected with and pushes away the material support, and pushes away the material support and be located female type top, the hopper articulates on the material support that pushes away in female type top, processing of hopper bottom has the discharge gate with die cavity matched with, be equipped with the spring assembly who drives the hopper and.

The utility model discloses has following effect:

(1) the female die, the upper die, the lower die and the core rod which are matched with the female die are arranged on the die mounting plate, so that the filling powder can be conveniently pressed into a cylindrical product with concentric inner and outer rings;

(2) the lower mould is provided with the middle rod seat which can float along with the female mould, so that the height difference of the lower sliding component can be conveniently adjusted to adapt to the pressing of products with various shapes;

(3) the feeding mechanism which drives the hopper to move by the driving motor is arranged, and the hopper is driven by the spring assembly to be close to the female die, so that the phenomenon of material leakage or material blockage can be avoided;

(4) by arranging the hopper, the product ejected out of the lower mold can be pushed out of the mold cavity, so that the cost of a special pushing mechanism is saved;

(5) by arranging the universal joint connecting nut seat and the U-shaped frame, the pushing support can be ensured to automatically adjust the balance angle under the action of the tension of the spring assembly, so that the pushing support is ensured to stably run in the moving process;

(6) convenient installation and flexible control.

Drawings

Fig. 1 is a side view of the present invention.

Fig. 2 is a front view of the mold of the present invention.

Fig. 3 is an installation schematic diagram of the lower mold, the core rod, the female mold and the upper mold of the present invention.

Fig. 4 is a top view of the feeding mechanism of the present invention.

Reference numerals: 1. a mother type; 11. a mold cavity; 2. an upper slide assembly; 21. an upper sliding block; 22. an upper servo motor connecting block; 23. an upper guide post; 24. a molding base; 25. molding; 26. an upper cover plate; 3. a lower slider assembly; 31. a lower slider; 32. a lower servo motor connecting block; 33. a lower guide post; 4. fixing the die mounting plate; 5. a mold mounting plate; 6. a middle rod seat; 7. a core rod; 71. a core rod cover plate; 8. a lower die seat; 81. molding; 82. a lower-type cover plate; 9. a feeding mechanism; 91. a base plate; 92. a drive motor; 93. a screw rod; 94. a nut seat; 95. a U-shaped frame; 96. a hopper; 97. a discharge port; 98. a spring assembly; 99. a universal joint; 910. and pushing the material bracket.

Detailed Description

Examples

As shown in fig. 1 to 4, the die carrier mechanism for a high-precision powder die-pressing forming servo press provided in this embodiment includes a female die 1, an upper sliding assembly 2 matched with the female die 1, a lower sliding assembly 3 connected with the female die 1, an immovable die mounting plate 4, a die mounting plate 5, a middle rod seat 6 and a core rod 7, wherein the immovable die mounting plate 4 is fixed on a machine tool through a pressing block, a lower die seat 8 is installed above the immovable die mounting plate 4, a gap is left between the lower die seat 8 and the immovable die mounting plate 4, a plurality of vertical and hollow lower dies 81 are installed on the surface of the lower die seat 8, the lower dies 81 are installed on the lower die seat 8 through a lower die cover plate 82, the middle rod seat 6 is installed in the gap between the lower die seat 8 and the immovable die mounting plate 4, the die mounting plate 5 is installed above the lower die seat 8, the female die 1 is installed on the die mounting plate 5, the middle rod seat 6 is U-shaped, 6 top surfaces of well stick seat 6 and female type 1 of U type are connected, processing has a plurality ofly and type 81 clearance fit's die cavity 11 down on female type 1, be equipped with many mandrills 7 that run through type 81 down on well stick seat 6, in order to guarantee that the work piece is annular, consequently arrange die cavity 11 in with the top of mandrills 7 in, the inboard mandrill apron 71 that is equipped with fixed mandrill 7 on the surface of well stick seat 6 can guarantee through the mandrill apron 71 that the mandrill 7 is vertical installs on well stick seat, the mould mounting panel 4 below that does not slide is equipped with down sliding assembly 3, sliding assembly 3 includes lower slider 31, the lower servo motor connecting block 32 that the slider 31 reciprocated under the drive and connects lower guide post 33 of slider and mould mounting panel 5 down, sliding assembly 2 is equipped with above the mould mounting panel 5, upward sliding assembly 2 includes slider 21, the last servo motor 22 that the slider 21 reciprocated on the drive connecting block 21, The die comprises an upper guide column 23, an upper die seat 24 and a plurality of upper dies 25, wherein the upper guide column 23 is used for connecting a die mounting plate 5 and an upper sliding block 21, the upper die seat 24 is arranged at the bottom of the upper sliding block 21, the upper dies 25 are arranged at the bottom of the upper die seat 24, the upper dies 25 are arranged on the upper die seat 24 through upper die cover plates 26, the outer wall of each upper die 25 is in clearance fit with the inner wall of a die cavity 11, and the upper dies 25, the die cavity 11, a lower die 81 and a core rod 7 enclose a hollow cylinder.

The surface of the female die 1 on one side of the die cavity 11 is provided with a feeding mechanism 9, the feeding mechanism 9 comprises a bottom plate 91, a driving motor 92 installed on the bottom plate 91, a screw rod 93 connected with an output shaft of the driving motor 92, a nut seat 94 sleeved on the screw rod 93 and in threaded fit with the screw rod 93, a U-shaped frame 95 hinged on the nut seat 94, and a hopper 96 installed on the U-shaped frame 95, the bottom plate 91 is fixed on a frame on one side of the die, the side wall of the nut seat 94 close to one side of the die is connected with the U-shaped frame 95 through a universal joint 99, one end of the U-shaped frame 95 far away from the universal joint 99 is connected with a material pushing support 910, the material pushing support 910 is located above the female die 1, the hopper 96 is hinged on the material pushing support 910 above the female die 1, a discharge port 97 matched with the die cavity 11 is processed at the bottom of the hopper 96, the U-shaped frame, the spring assembly 98 can ensure that the bottom surface of the hopper 96 is closely abutted with the surface of the female die 1 when the driving motor 92 drives the hopper 96 to move, so that the material pushing support 910 can ensure the smooth operation of pushing the hopper 96, and the filling powder in the hopper 96 can be prevented from flowing out from a gap generated by movement.

The utility model discloses a use method is:

the filling powder is put into a hopper 96, then a driving motor 92 is started, the driving motor 92 drives a nut seat 94 to move towards the mold through a screw rod 93, after the filling powder in the hopper 96 moves to a specified length, the filling powder falls into the mold cavity 11, and then the driving motor 92 is controlled to rotate reversely, so that the material box leaves the mold cavity 11 for feeding.

When the material box moves to the upper part of the mold cavity 11, the lower servo motor connecting block 32 drives the lower sliding block 31 to move upwards, when the lower sliding block 31 moves upwards, the lower guide column 33 drives the mold mounting plate 5, the female mold 1 and the core rod 7 to move upwards, and the lower mold 81 is fixed on the immovable mold mounting plate 4, so that when the mold mounting plate 5 moves upwards and the female mold 1 and the core rod 7 move upwards, more filling powder can be added in the mold cavity 11.

When the filling powder enters the die cavity 11, the upper servo motor connecting block 22 drives the upper sliding block 21 to move downwards along the upper guide column 23, so that the upper mold 25 extends into the die cavity 11, then the upper servo motor connecting block 22 continues to move downwards, at the moment, the lower servo motor connecting block 32 drives the lower sliding block 31 to move downwards to press the filling powder into a hollow cylindrical magnetic piece by matching the lower mold 81 fixed on the fixed die mounting plate 4 with the upper mold 25, when the upper die 25 moves down to the designated position, the upper servo motor connecting block 22 drives the upper sliding block 21 to move up, at this time, the lower servo motor connecting block 32 continues to move down, the work pieces in the cavity 11 are extruded by the lower die 81, and then the drive motor 92 drives the magazine feed again, which removes the work pieces ejected out of the cavity 11, and feeding is carried out again, and the lower servo motor connecting block 32 controls the lower sliding block 31 to move upwards again during feeding so as to process workpieces of the next batch.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy powder die carrier mechanism for compression molding servo press, includes female type, with female type complex go up sliding assembly and the lower sliding assembly who is connected with female type, its characterized in that: the mould comprises a fixed mould mounting plate, a middle rod seat and a core rod, wherein the lower mould seat is mounted above the fixed mould mounting plate, a gap is reserved between the lower mould seat and the fixed mould mounting plate, a plurality of vertical hollow lower moulds are mounted on the surface of the lower mould seat, the middle rod seat is arranged in the gap between the lower mould seat and the fixed mould mounting plate, the mould mounting plate is arranged above the lower mould seat, a female mould is mounted on the mould mounting plate, the middle rod seat is fixedly connected with the female mould, a plurality of mould cavities in clearance fit with the lower moulds are processed on the female mould, a plurality of core rods penetrating through the lower moulds are arranged on the middle rod seat, the tops of the core rods are arranged in the mould cavities, a lower sliding assembly is arranged below the fixed mould mounting plate and comprises a lower sliding block, a lower servo motor connecting block driving the lower sliding block to move up and a lower guide column connecting the lower sliding block and the mould mounting plate, the mould mounting panel top is equipped with sliding assembly, sliding assembly includes last sliding block, drive and goes up the last servo motor connecting block that sliding block reciprocated, connect mould mounting panel and last sliding block go up the guide post, install the upper die base in last sliding block bottom and install the upper die in upper die base bottom, the upper die has a plurality ofly, and a plurality of upper dies and die cavity clearance fit, and upper die, die cavity, lower die and plug enclose into a hollow cylinder.

2. The die frame mechanism for the high-precision powder die forming servo press as claimed in claim 1, wherein: the middle rod seat is U-shaped, the core rod is installed on the inner bottom surface of the middle rod seat, and the top surface of the U-shaped middle rod seat is connected with the female die.

3. The die frame mechanism for the high-precision powder die forming servo press as claimed in claim 2, wherein: and the middle rod seat is provided with a core rod cover plate for fixing the core rod.

4. The die frame mechanism for the high-precision powder die forming servo press as claimed in claim 1, wherein: the female type surface of die cavity one side is equipped with feeding mechanism, feeding mechanism includes the bottom plate, install driving motor on the bottom plate, with lead screw, the suit on the lead screw of driving motor's output shaft and with lead screw thread fit's nut seat, articulate the hopper at the U type frame of nut seat and the U type shelf location, the bottom plate is fixed in the frame of mould one side, be connected with U type frame through the universal joint on the nut seat is close to the lateral wall on one side of the mould, and the one end that the universal joint was kept away from to U type frame is connected with and pushes away the material support, and pushes away the material support and be located female type top, the hopper articulates on the material support that pushes away in female type top, processing of hopper bottom has the discharge gate with die cavity matched with, be equipped with the spring assembly who drives the hopper and.