CN217889498U

CN217889498U - Powder metallurgy forming machine

Info

Publication number: CN217889498U
Application number: CN202221316456.5U
Authority: CN
Inventors: 寇公鼎
Original assignee: Guangdong Dinghong Technology Co ltd
Current assignee: Guangdong Dinghong Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-25
Anticipated expiration: 2032-05-27

Abstract

The utility model belongs to the technical field of processing equipment, in particular to a powder metallurgy forming machine, which comprises a machine table; the machine table is provided with a workbench, an upper punch, a lower punch, a swing arm, a cutter and a driving mechanism. The driving mechanism comprises a rotating shaft and a motor for driving the rotating shaft to rotate. The rotating shaft is provided with a deflection wheel rotating assembly, a first cam rotating assembly and a second cam rotating assembly, the deflection wheel rotating assembly is connected with the upper punch and used for driving the upper punch to extrude powder, the first cam assembly is connected with the lower punch and used for driving the lower punch to push out a workpiece in the cavity, and the second cam assembly is connected with the swing arm and used for driving the cutter to move back and forth. Thereby actuating mechanism drives upper punch, lower punch and cutter motion simultaneously and realizes the automatic processing shaping of work piece, and structural design is reasonable, and machining efficiency is high, and the practicality is strong.

Description

Powder metallurgy forming machine

Technical Field

The utility model belongs to the technical field of the processing equipment, especially, relate to a powder metallurgy make-up machine.

Background

Powder metallurgical forming is one of the basic processes in powder metallurgical production, with the aim of forming loose powder into semi-finished or finished products of predetermined geometry, size, density and strength. The traditional powder metallurgy punch forming machine is simple in structure, and after punching is completed, a workpiece needs to be manually taken down and reloaded with a workpiece to be machined, so that potential safety hazards cannot be ignored completely even though an operator can use a handheld tool to assist operation; and when the number of workpieces is large and the workpieces are scattered, the manual material taking efficiency is extremely low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder metallurgy make-up machine aims at solving the technical problem that the machining efficiency of the powder metallurgy stamping make-up machine among the prior art is low.

In order to achieve the above object, an embodiment of the present invention provides a powder metallurgy forming machine, which includes a machine table; the machine table is provided with a workbench, an upper punch, a lower punch, a swing arm, a cutter and a driving mechanism; a cavity for placing powder is arranged on the workbench; the upper punch is arranged on the upper side of the cavity, and the lower punch is arranged on the lower side of the cavity; the driving mechanism comprises a rotating shaft and a motor for driving the rotating shaft to rotate; be equipped with deviation wheel runner subassembly, first cam runner subassembly and second cam runner subassembly in the pivot, deviation wheel runner subassembly with the upper punch is connected and is used for the drive the upper punch extrudees the powder in the die cavity, first cam subassembly with the lower punch is connected and is used for the drive the lower punch pushes out work piece in the die cavity, second cam subassembly with the swing arm is connected and is used for the drive the swing arm swing, the cutter activity is located the upper surface of workstation is in order to be used for cutting off the follow the work piece that stretches out in the die cavity, the cutter with the swing arm is connected and is followed the swing arm motion.

Optionally, the deflection wheel rotating assembly comprises an eccentric wheel, a swinging piece, a lifting platform and an upper ejector rod; the eccentric wheel is connected to the rotating shaft and rotates along with the rotating shaft, and the eccentric wheel and the rotating shaft are eccentrically arranged; the upper end of the swinging piece is provided with a rotating hole matched with the eccentric wheel, the rotating hole is rotatably connected with the eccentric wheel, the lower end of the swinging piece is movably connected with the lifting table, the lifting table is connected with the upper ejector rod, and the upper ejector rod penetrates through the workbench and then is connected with the upper punch.

Optionally, an upper guide plate is arranged in the machine table, a first guide hole is formed in the upper guide plate, and the upper ejector rod penetrates through the first guide hole.

Optionally, the lower end of the swinging member is provided with a mounting hole; the upper end of lifter plate is equipped with the connection platform, be equipped with the connecting rod on the connection platform, the connecting rod rotate connect in the mounting hole.

Optionally, the first cam rotating assembly comprises a first cam and a mounting table; the first cam is connected with the rotating shaft, is arranged at the lower end of the mounting table and is used for pushing the mounting table to move up and down, the mounting table is movably arranged in the machine table, and the mounting table is connected with the lower punch.

Optionally, the mounting table comprises an upper top plate, a lower top plate and a lower ejector rod; the lower top plate is arranged on the upper side of the rotating shaft, the lower end of the lower top plate is provided with a roller which is used for being abutted to the cam, the upper end of the lower top plate is connected with the lower end of the lower ejector rod, the lower end of the upper top plate is connected with the upper end of the lower ejector rod, and the upper end of the upper top plate is connected with the lower punch.

Optionally, a lower guide plate is arranged in the machine table, a second guide hole is formed in the lower guide plate, and the lower ejector rod penetrates through the second guide hole.

Optionally, the middle part of the swing arm is rotatably connected to the machine table, and the upper end of the swing arm is connected with the cutter; the second cam rotating assembly comprises a second cam; the second cam is connected to the rotating shaft, and the second cam is connected with the lower end of the swing arm and used for pushing the swing arm to swing.

Optionally, a powder bin is further arranged on the machine table; the cutting knife is provided with a powder inlet for conveying powder into the cavity, and a powder conveying pipe is connected between the powder inlet and the powder bin.

Optionally, a vibration cylinder is arranged in the machine table so that powder in the powder inlet can fall into the cavity

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the powder metallurgy make-up machine have one of following technological effect at least: the motor drives the rotating shaft to rotate, the eccentric wheel rotating assembly drives the upper punch to move downwards, and the upper punch extends into the cavity and extrudes powder in the cavity, so that the powder is changed into a solid columnar workpiece; the rotating shaft continues to rotate, the eccentric wheel rotating assembly drives the upper punch to move upwards, meanwhile, the first cam rotating assembly drives the lower punch to move upwards, so that the lower punch pushes out a workpiece in the cavity, the second cam rotating assembly drives the swing arm to swing, the swing arm pushes the cutter to move forwards, and the cutter cuts off the workpiece and pushes the workpiece to the next station; the rotating shaft continues to rotate, the first cam rotating assembly drives the lower punch to move downwards, the second cam rotating assembly drives the cutting knife to move backwards through the swing arm, and the eccentric wheel rotating assembly drives the upper punch to move downwards. Thereby actuating mechanism drives upper punch, lower punch and cutter motion simultaneously and realizes the automatic processing shaping of work piece, and structural design is reasonable, and machining efficiency is high, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a powder metallurgy forming machine according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-machine platform 11-workbench 12-cavity

20-upper punch 30-lower punch 40-swing arm

41-cutter 50-deflection wheel rotating assembly 51-first cam rotating assembly

52-second cam rotating assembly 60-powder bin 500-eccentric wheel

501-swinging piece 502-lifting platform 503-upper ejector rod

504-upper guide plate 510-first cam 511-mounting table

512-upper top plate 513-lower top plate 514-lower ejector rod

515-lower guide plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 are exemplary and intended to be used for explaining embodiments of the present invention, and should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1, a powder metallurgy forming machine is provided, which includes a machine table 10. The machine table 10 is provided with a workbench 11, an upper punch 20, a lower punch 30, a swing arm 40, a cutter 41 and a driving mechanism. A cavity 12 for placing powder is arranged on the workbench 11; the upper punch 20 is provided on the upper side of the cavity 12, and the lower punch 30 is provided on the lower side of the cavity 12. The driving mechanism comprises a rotating shaft and a motor for driving the rotating shaft to rotate. The rotating shaft is provided with a deflection wheel rotating assembly 50, a first cam rotating assembly 51 and a second cam rotating assembly 52, the deflection wheel rotating assembly 50 is connected with the upper punch 20 and used for driving the upper punch 20 to extrude powder in the cavity 12, the first cam 510 assembly is connected with the lower punch 30 and used for driving the lower punch 30 to push out a workpiece in the cavity 12, the second cam assembly is connected with the swing arm 40 and used for driving the swing arm 40 to swing, the cutter 41 is movably arranged on the upper surface of the workbench 11 and used for cutting off the workpiece extending out of the cavity 12, and the cutter 41 is connected with the swing arm 40 and moves along with the swing arm 40.

In the embodiment of the present invention, the motor drives the rotating shaft to rotate, the eccentric wheel 500 drives the upper punch 20 to move downward, and the upper punch 20 extends into the cavity 12 and extrudes the powder in the cavity 12, so that the powder becomes a solid cylindrical workpiece; the rotating shaft continues to rotate, the eccentric wheel 500 rotating assembly drives the upper punch 20 to move upwards, meanwhile, the first cam rotating assembly 51 drives the lower punch 30 to move upwards, so that the lower punch 30 pushes out the workpiece in the cavity 12, the second cam rotating assembly 52 drives the swing arm 40 to swing, the swing arm 40 pushes the cutter 41 to move forwards, and the cutter 41 cuts off the workpiece and pushes the workpiece to the next station; the rotating shaft continues to rotate, the first cam rotating assembly 51 drives the lower punch 30 to move downwards, the second cam rotating assembly 52 drives the cutting knife 41 to move backwards through the swing arm 40, and the eccentric wheel 500 rotating assembly drives the upper punch 20 to move downwards. The driving mechanism simultaneously drives the upper punch 20, the lower punch 30 and the cutter 41 to move, so that the workpiece is automatically machined and formed, the structural design is reasonable, the machining efficiency is high, and the practicability is high.

In another embodiment of the present invention, the deflecting roller rotating assembly 50 of the powder metallurgy forming machine comprises an eccentric wheel 500, a swinging member 501, a lifting platform 502 and an upper ejector rod 503; the eccentric wheel 500 is connected to the rotating shaft and rotates along with the rotating shaft, and the eccentric wheel 500 and the rotating shaft are arranged eccentrically; the upper end of the swinging piece 501 is provided with a rotating hole matched with the eccentric wheel 500, the rotating hole is rotatably connected with the eccentric wheel 500, the lower end of the swinging piece 501 is movably connected with a lifting platform 502, the lifting platform 502 is connected with an upper top rod 503, and the upper top rod 503 is connected with the upper punch 20 after penetrating through the workbench 11. The rotation of the rotating shaft drives the eccentric wheel 500 to rotate, the eccentric wheel 500 rotates to drive the swinging piece 501 to move up and down, and the swinging piece 501 moves up and down to drive the upper punch 20 to move up and down through the upper ejector rod 503.

In another embodiment of the present invention, an upper guide plate 504 is disposed in the machine table 10 of the powder metallurgy forming machine, the upper guide plate 504 is provided with a first guide hole, and the upper prop 503 is inserted into the first guide hole. The upper guide plate 504 is provided to improve the smoothness of the movement of the upper carrier rod 503, thereby improving the movement smoothness of the upper punch 20.

In another embodiment of the present invention, the lower end of the swinging member 501 of the powder metallurgy forming machine is provided with a mounting hole; the upper end of lifter plate is equipped with the connection platform, connects the bench and is equipped with the connecting rod, and the connecting rod rotates to be connected in the mounting hole. The swinging member 501 drives the lifting plate to move up and down through the connecting platform, which is convenient for installation.

In another embodiment of the present invention, the first cam rotating assembly 51 of the powder metallurgy forming machine comprises a first cam 510 and a mounting table 511. The first cam 510 is connected to the rotating shaft, the first cam 510 is disposed at the lower end of the mounting table 511 and used for pushing the mounting table 511 to move up and down, the mounting table 511 is movably disposed in the machine table 10, and the mounting table 511 is connected to the lower punch 30. The rotating shaft drives the first cam 510 to rotate, and the first cam 510 rotates and pushes the mounting table 511 to move up and down, thereby driving the lower punch 30 to move up and down.

In another embodiment of the present invention, the mounting table 511 of the powder metallurgy forming machine comprises an upper top plate 512, a lower top plate 513 and a lower top rod 514. The lower top plate 513 is disposed on the upper side of the rotating shaft, a roller for abutting against the cam is disposed at the lower end of the lower top plate 513, the upper end of the lower top plate 513 is connected to the lower end of the lower push rod 514, the lower end of the upper top plate 512 is connected to the upper end of the lower push rod 514, and the upper end of the upper top plate 512 is connected to the lower punch 30. The rotating shaft rotates to drive the first cam 510 to rotate, the periphery of the first cam 510 is in contact with the periphery of the roller, and the whole mounting table 511 is pushed to move up and down by the roller in the rotating process of the first cam 510, so that the lower punch 30 is pushed to move up and down.

In another embodiment of the present invention, a lower guide plate 515 is disposed in the machine table 10 of the powder metallurgy forming machine, the lower guide plate 515 is disposed with a second guide hole, and the lower prop 514 is disposed in the second guide hole. The lower guide plate 515 is provided to improve the moving smoothness of the lower lift pins 514, thereby improving the moving smoothness of the lower punch 30.

In another embodiment of the present invention, the middle of the swing arm 40 of the powder metallurgy forming machine is rotatably connected to the machine table 10, and the upper end of the swing arm 40 is connected to the cutter 41; the second cam rotating assembly 52 includes a second cam; the second cam is connected to the rotating shaft, and the second cam is connected to the lower end of the swing arm 40 and used for pushing the swing arm 40 to swing. The swing arm 40 is arranged in a V-shaped structure, the periphery of the second cam is attached to the lower end of the swing arm 40, and the second cam rotates along with the rotating shaft and pushes the lower end of the swing arm 40, so that the swing arm 40 swings back and forth, and the cutter 41 is pushed to move back and forth.

In another embodiment of the present invention, the machine table 10 of the powder metallurgy forming machine is further provided with a powder bin 60; the cutting blade 41 is provided with a powder inlet for conveying powder into the cavity 12, a powder conveying pipe is connected between the powder inlet and the powder bin 60, and the powder bin 60 conveys powder into the powder inlet through the powder conveying pipe. After the cutting blade 41 cuts the workpiece, the powder inlet is placed on the upper side of the cavity 12, so that the powder in the powder inlet falls into the cavity 12 to fill the powder.

In another embodiment of the present invention, a vibration cylinder is disposed in the machine table 10 of the powder metallurgy forming machine so that the powder in the powder inlet drops into the cavity 12, and the cylinder vibrates up and down to assist in filling the powder.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A powder metallurgy forming machine is characterized in that: comprises a machine platform; the machine table is provided with a workbench, an upper punch, a lower punch, a swing arm, a cutter and a driving mechanism; a cavity for placing powder is arranged on the workbench; the upper punch is arranged on the upper side of the cavity, and the lower punch is arranged on the lower side of the cavity; the driving mechanism comprises a rotating shaft and a motor for driving the rotating shaft to rotate; be equipped with deviation wheel rotating assembly, first cam rotating assembly and second cam rotating assembly in the pivot, deviation wheel rotating assembly with the upper punch is connected and is used for the drive the extrusion of upper punch the powder in the die cavity, first cam rotating assembly with the lower punch is connected and is used for the drive the lower punch is released the work piece in the die cavity, second cam rotating assembly with the swing arm is connected and is used for the drive the swing arm swing, the cutter activity is located the upper surface of workstation is in order to be used for cutting off the follow the work piece that stretches out in the die cavity, the cutter with the swing arm is connected and is followed the swing arm motion.

2. The powder metallurgy forming machine according to claim 1, wherein: the deflection wheel rotating assembly comprises an eccentric wheel, a swinging piece, a lifting platform and an upper ejector rod; the eccentric wheel is connected to the rotating shaft and rotates along with the rotating shaft, and the eccentric wheel and the rotating shaft are arranged eccentrically; the upper end of the swinging piece is provided with a rotating hole matched with the eccentric wheel, the rotating hole is rotatably connected with the eccentric wheel, the lower end of the swinging piece is movably connected with the lifting table, the lifting table is connected with the upper ejector rod, and the upper ejector rod penetrates through the working table and then is connected with the upper punch.

3. The powder metallurgy forming machine according to claim 2, wherein: an upper guide plate is arranged in the machine table, a first guide hole is formed in the upper guide plate, and an upper ejector rod penetrates through the first guide hole.

4. The powder metallurgy forming machine according to claim 2, wherein: the lower end of the swinging piece is provided with a mounting hole; the upper end of elevating platform is equipped with the connection platform, be equipped with the connecting rod on the connection platform, the connecting rod rotate connect in the mounting hole.

5. The powder metallurgy forming machine according to any one of claims 1 to 4, wherein: the first cam rotating assembly comprises a first cam and a mounting table; the first cam is connected with the rotating shaft, the first cam is arranged at the lower end of the mounting table and used for pushing the mounting table to move up and down, the mounting table is movably arranged in the machine table, and the mounting table is connected with the lower punch.

6. The powder metallurgy forming machine according to claim 5, wherein: the mounting table comprises an upper top plate, a lower top plate and a lower ejector rod; the lower top plate is arranged on the upper side of the rotating shaft, the lower end of the lower top plate is provided with a roller which is used for being abutted to the cam, the upper end of the lower top plate is connected with the lower end of the lower ejector rod, the lower end of the upper top plate is connected with the upper end of the lower ejector rod, and the upper end of the upper top plate is connected with the lower punch.

7. The powder metallurgy forming machine according to claim 6, wherein: the machine table is internally provided with a lower guide plate, the lower guide plate is provided with a second guide hole, and the lower ejector rod penetrates through the second guide hole.

8. The powder metallurgy forming machine according to any one of claims 1 to 4, wherein: the middle part of the swing arm is rotatably connected to the machine table, and the upper end of the swing arm is connected with the cutter; the second cam rotating assembly comprises a second cam; the second cam is connected to the rotating shaft, and the second cam is connected with the lower end of the swing arm and used for pushing the swing arm to swing.

9. The powder metallurgy forming machine according to any one of claims 1 to 4, wherein: the machine table is also provided with a powder bin; the cutting knife is provided with a powder inlet for conveying powder into the cavity, and a powder conveying pipe is connected between the powder inlet and the powder bin.

10. The powder metallurgy forming machine according to claim 9, wherein: a vibration cylinder is arranged in the machine table so that powder in the powder inlet can fall into the cavity conveniently.