CN224058719U

CN224058719U - Powder metallurgy forming mechanism

Info

Publication number: CN224058719U
Application number: CN202520828295.5U
Authority: CN
Inventors: 胡存钞
Original assignee: Wenzhou Junyan Technology Co ltd
Current assignee: Wenzhou Junyan Technology Co ltd
Priority date: 2025-04-28
Filing date: 2025-04-28
Publication date: 2026-03-31
Anticipated expiration: 2035-04-28

Abstract

This utility model relates to the field of metallurgical forming technology and discloses a powder metallurgy forming mechanism, including: a base and support columns fixed at the four corners of the top of the base; a lower pressure seat is fixedly connected to the top of the base; support plates are fixedly connected to both ends of the bottom of the base; a rotating rod is rotatably connected to the side wall of the support plate; a turntable is fixedly connected to the end of the rotating rod; a rotating block is rotatably connected to the eccentric part of the side wall of the turntable; a top rod is slidably connected to the bottom of the base; the top end of the top rod extends into the inner cavity of the lower pressure seat; a movable rod is fixedly connected to the bottom end of the top rod; connecting plates are fixedly connected to both ends of the movable rod; and a sliding groove is provided on the side wall of the connecting plate. This novel solution can quickly complete the material handling operation when facing a large number of workpieces, improving the demolding efficiency of metal powder workpieces; and the residual metal powder is collected by a collection box, reducing the waste of metal powder.

Description

Powder metallurgy forming mechanism

Technical Field

The utility model belongs to the technical field of metallurgical forming, and particularly relates to a powder metallurgical forming mechanism.

Background

Powder metallurgy is a process technology for preparing metal powder or using metal powder as a raw material and manufacturing metal materials, composite materials and various products through forming and sintering, and specific powder metallurgy forming is one of basic procedures in powder metallurgy production, and aims to prepare loose metal, ceramic or other material powder into a semi-finished product with preset geometric shape, size, density and strength through pressure in a die.

The utility model patent of patent application publication number 201920563555.5 discloses a powder metallurgy forming machine, which comprises a base, wherein the top end surface of the base is fixedly provided with a lower pressing plate, the inner side of the lower pressing plate is provided with a placing groove, the inner wall of the placing groove is symmetrically provided with a first sliding groove, the top end of the first sliding groove is provided with a second sliding groove relative to the inner wall of the placing groove, the inner side of the lower pressing plate is provided with a middle plate, two sides of the middle plate are symmetrically fixed with a plurality of sliding bulges, the middle plate is in sliding connection with the first sliding groove and the second sliding groove through the sliding bulges, the existing integrated lower pressing plate is changed into a detachable structure through the designed middle plate, namely, when the middle plate is damaged, the damaged middle plate is only required to be detached, replaced or maintained, the operation is quite simple, and meanwhile, the problem of maintaining the lower pressing plate is reduced.

According to the above patent, there is a powder metallurgy forming mechanism, and there is still a shortcoming in actual use, and more obviously, after metal powder stamping is completed, usually, a worker uses a clamping tool to take out the workpiece, and when facing a large number of workpieces, the efficiency of manually taking out the workpiece is low, so that the demolding efficiency of the metal powder workpiece is reduced, and for this reason, we propose a powder metallurgy forming mechanism.

Disclosure of utility model

The present utility model is directed to a powder metallurgy forming mechanism, which solves the problems set forth in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions:

The powder metallurgy forming mechanism comprises a base and supporting columns fixed at four corners of the top of the base, wherein the top of the base is fixedly connected with a pressing seat, two ends of the bottom of the base are fixedly connected with supporting plates, the side walls of the supporting plates are rotatably connected with rotating rods, the tail ends of the rotating rods are fixedly connected with rotating discs, and the eccentric positions of the side walls of the rotating discs are rotatably connected with rotating blocks;

The bottom sliding connection of base has the ejector pin, the top of ejector pin extends to the inner chamber of pushing down the seat, the bottom fixedly connected with movable rod of ejector pin, the both ends fixedly connected with connecting plate of movable rod, the spout has been seted up to the lateral wall of connecting plate, rotatory piece sliding connection is at the inner chamber of spout, be provided with the driving piece that is used for driving two sets of dwang synchronous rotation in the backup pad.

As a preferable technical scheme of the application, two side walls of the pressing seat are fixedly connected with collecting boxes.

As a preferable technical scheme of the application, the driving piece comprises a rotating shaft, the rotating shaft is rotatably connected between two groups of supporting plates, two ends of the rotating shaft and the side wall of the rotating rod are fixedly connected with synchronous wheels, and a synchronous belt is arranged between the two groups of synchronous wheels.

As a preferable technical scheme of the application, the side walls of a group of support plates are fixedly connected with a first motor for driving the rotating shaft to rotate.

As the preferable technical scheme of the application, the top of the supporting column is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with a hydraulic cylinder, and the power output end of the hydraulic cylinder is fixedly connected with an upper pressure head.

As the preferable technical scheme of the application, a fixed frame is fixedly connected between the side walls of two groups of supporting plates, the inner cavity of one group of fixed frames is rotationally connected with a reciprocating screw, the outer side wall of the reciprocating screw is in threaded connection with a movable block, one end of the movable block is in sliding connection with the inner cavity of the other group of fixed frames, the bottom of the movable block is fixedly connected with a scraping plate, the two ends of the side wall of the scraping plate are fixedly connected with guide plates, and the side wall of one group of fixed frames is fixedly connected with a second motor for driving the reciprocating screw to rotate.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the application:

1. the two groups of rotating rods are driven to synchronously rotate through the driving piece, the rotating rods drive the turntable and the rotating blocks to rotate, and the rotating blocks are arranged at the eccentric positions of the turntable, so that the rotating blocks can slide in the sliding grooves on the connecting plates when rotating, the movable rods and the ejector rods are driven to longitudinally reciprocate through the connecting plates, the workpiece is ejected out of the pressing seat through the ejector rods, and when a large number of workpieces are faced, material taking operation can be rapidly completed, and the demolding efficiency of the metal powder workpiece is improved.

2. The second motor drives the reciprocating screw rod to rotate, the reciprocating screw rod drives the movable block and the scraping plate to horizontally reciprocate, the scraping plate is matched with the guide plate to clean the scattered metal powder on the surface of the pressing seat, the scraping plate can push out a workpiece when cleaning the surface of the pressing seat, the discharging efficiency is further improved, residual metal powder is collected through the collecting box, and the waste of the metal powder is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a perspective view of a powder metallurgy forming mechanism provided by the application;

FIG. 2 is a partial block diagram of a powder metallurgy forming mechanism provided by the application;

FIG. 3 is a block diagram of a hold-down seat of a powder metallurgy forming mechanism provided by the application;

fig. 4 is a bottom view of a fixing frame of the powder metallurgy forming mechanism provided by the application.

100 Parts of a base, 110 parts of a pressing seat, 111 parts of a collecting box, 120 parts of a supporting plate, 130 parts of a rotating rod, 131 parts of a turntable, 132 parts of a rotating block, 140 parts of a push rod, 141 parts of a movable rod, 142 parts of a connecting plate, 150 parts of a rotating shaft, 151 parts of a synchronous wheel, 160 parts of a first motor, 200 parts of a supporting column, 210 parts of a mounting frame, 220 parts of a hydraulic cylinder, 221 parts of an upper pressing head, 230 parts of a fixed frame, 231 parts of a reciprocating screw rod, 232 parts of a movable block, 240 parts of a scraping plate, 241 parts of a guide plate, 250 parts of a second motor.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-4, the powder metallurgy forming mechanism comprises a base 100 and supporting columns 200 fixed at four corners of the top of the base 100, wherein the supporting columns 200 are used for supporting a mounting frame 210, the top of the base 100 is fixedly connected with a pressing seat 110, the pressing seat 110 is matched with an upper pressing head 221 to process metal powder, two ends of the bottom of the base 100 are fixedly connected with supporting plates 120, the supporting plates 120 are used for supporting rotating rods 130, the side walls of the supporting plates 120 are rotatably connected with rotating rods 130, the rotating rods 130 are used for driving rotating discs 131 and rotating blocks 132 to rotate, the tail ends of the rotating rods 130 are fixedly connected with rotating discs 131, the eccentric positions of the side walls of the rotating discs 131 are rotatably connected with rotating blocks 132, the rotating blocks 132 are used for driving connecting plates 142 to longitudinally reciprocate, the bottom of the base 100 is slidably connected with a push rod 140, workpieces in the pressing seat 110 are ejected through the push rod 140, the top ends of the push rod 140 extend to the inner cavity of the pressing seat 110, the bottom of the push rod 140 is fixedly connected with movable rods 141, the movable rods 141 and the connecting plates 142 are convenient for longitudinally reciprocate of the push rod 140, two ends of the movable rods 141 are fixedly connected with connecting plates 142, the side walls of the connecting plates 142 are provided with sliding grooves, the side walls of the rotating blocks 132 are slidably connected to the inner cavities of the rotating blocks, the rotating blocks 132 are used for driving members 130 to synchronously rotate.

Referring to fig. 1-3, two side walls of the pressing seat 110 are fixedly connected with a collecting box 111, and the collecting box 111 is used for collecting the metal powder remained on the surface of the pressing seat 110.

Referring to fig. 2, the driving member includes a rotation shaft 150, the rotation shaft 150 is rotatably connected between two sets of support plates 120, two ends of the rotation shaft 150 and a side wall of the rotation rod 130 are fixedly connected with synchronizing wheels 151, a synchronous belt is disposed between the two sets of synchronizing wheels 151, and the rotation shaft 150 drives the two sets of rotation rods 130 to rotate by matching the synchronizing wheels 151 with the synchronous belt.

Referring to fig. 1-3, a first motor 160 for driving the rotation shaft 150 to rotate is fixedly connected to a side wall of the set of support plates 120.

Referring to fig. 1 and 2, a mounting frame 210 is fixedly connected to the top of the support column 200, a hydraulic cylinder 220 is fixedly connected to the top of the mounting frame 210, an upper pressure head 221 is fixedly connected to the power output end of the hydraulic cylinder 220, and the upper pressure head 221 is driven to lift by the hydraulic cylinder 220.

Referring to fig. 1-4, a fixed frame 230 is fixedly connected between the side walls of the two groups of support plates 120, an inner cavity of one group of fixed frames 230 is rotatably connected with a reciprocating screw 231, an outer side wall of the reciprocating screw 231 is in threaded connection with a movable block 232, one end of the movable block 232 is slidably connected with an inner cavity of the other group of fixed frames 230, a scraper 240 is fixedly connected with the bottom of the movable block 232, two ends of the side wall of the scraper 240 are fixedly connected with a guide plate 241, a second motor 250 for driving the reciprocating screw 231 to rotate is fixedly connected with the side wall of one group of fixed frames 230, the reciprocating screw 231 drives the movable block 232 and the scraper 240 to horizontally reciprocate, and the scraper 240 cooperates with the guide plate 241 to clean metal powder remained on the surface of the pressing seat 110 and collect the metal powder through the collecting box 111.

Specifically, when the mechanism is used, the powder metallurgy forming mechanism is firstly powered on, the hydraulic cylinder 220 drives the upper pressure head 221 to lift, the upper pressure head 221 is matched with the lower pressing seat 110 to process metal powder, then the first motor 160 is started, the rotating shaft 150 is driven to rotate by the first motor 160, the rotating shaft 150 is matched with the synchronous belt through the synchronous wheel 151 to drive the two groups of rotating rods 130 to rotate, the rotating rods 130 drive the turntable 131 and the rotating block 132 to rotate, at the moment, the rotating block 132 slides in the sliding groove on the connecting plate 142 and drives the connecting plate 142 and the movable rod 141 to longitudinally reciprocate, the movable rod 141 drives the ejector rod 140 to move, the ejector rod 140 ejects a workpiece in the lower pressing seat 110, finally the second motor 250 drives the reciprocating screw 231 to rotate, the movable block 232 and the scraper 240 to horizontally reciprocate, and the scraper 240 is matched with the guide plate 241 to clean the residual metal powder on the surface of the lower pressing seat 110 and collect the metal powder through the collecting box 111, and the mechanism is used.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The powder metallurgy forming mechanism comprises a base (100) and supporting columns (200) fixed at four corners at the top of the base (100), and is characterized in that the top of the base (100) is fixedly connected with a pressing seat (110), two ends of the bottom of the base (100) are fixedly connected with supporting plates (120), the side walls of the supporting plates (120) are rotationally connected with rotating rods (130), the tail ends of the rotating rods (130) are fixedly connected with rotating discs (131), and the eccentric positions of the side walls of the rotating discs (131) are rotationally connected with rotating blocks (132);

The bottom sliding connection of base (100) has ejector pin (140), the top of ejector pin (140) extends to the inner chamber of pushing down seat (110), the bottom fixedly connected with movable rod (141) of ejector pin (140), the both ends fixedly connected with connecting plate (142) of movable rod (141), the spout has been seted up to the lateral wall of connecting plate (142), rotatory piece (132) sliding connection is at the inner chamber of spout, be provided with the driving piece that is used for driving two sets of dwang (130) synchronous rotation on backup pad (120).

2. The powder metallurgy forming mechanism according to claim 1, wherein the two side walls of the pressing seat (110) are fixedly connected with collecting boxes (111).

3. The powder metallurgy forming mechanism according to claim 1, wherein the driving member comprises a rotating shaft (150), the rotating shaft (150) is rotatably connected between two groups of support plates (120), synchronous wheels (151) are fixedly connected to both ends of the rotating shaft (150) and the side wall of the rotating rod (130), and synchronous belts are arranged between the two groups of synchronous wheels (151).

4. A powder metallurgy forming mechanism according to claim 3, wherein the side walls of the set of support plates (120) are fixedly connected with a first motor (160) for driving the rotation shaft (150) to rotate.

5. The powder metallurgy forming mechanism according to claim 1, wherein the top of the supporting column (200) is fixedly connected with a mounting frame (210), the top of the mounting frame (210) is fixedly connected with a hydraulic cylinder (220), and the power output end of the hydraulic cylinder (220) is fixedly connected with an upper pressure head (221).

6. The powder metallurgy forming mechanism according to claim 1, wherein a fixed frame (230) is fixedly connected between the side walls of the two groups of supporting plates (120), a reciprocating screw (231) is rotatably connected to the inner cavity of one group of fixed frames (230), a movable block (232) is connected to the outer side wall of the reciprocating screw (231) in a threaded mode, one end of the movable block (232) is slidably connected to the inner cavity of the other group of fixed frames (230), a scraping plate (240) is fixedly connected to the bottom of the movable block (232), guide plates (241) are fixedly connected to the two ends of the side walls of the scraping plate (240), and a second motor (250) for driving the reciprocating screw (231) to rotate is fixedly connected to the side walls of one group of fixed frames (230).