CN213261308U

CN213261308U - Demoulding mechanism of powder forming machine

Info

Publication number: CN213261308U
Application number: CN202021259035.4U
Authority: CN
Inventors: 郑峰
Original assignee: NINGBO GUOXING POWDER METALLUR
Current assignee: NINGBO GUOXING POWDER METALLUR
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-05-25
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a demolding mechanism of a powder molding machine, which comprises a demoulding seat, a casting die base and a casting mould body. There are six mold bodies on the panel of the mold base, a mold cavity is provided in the center of the mold body, a movable column is provided at the bottom end of the mold cavity, a thimble plate is provided at the bottom end of the movable column, and the bottom end of the ejector plate is provided with a movable column. There is a base, the bottom end of the base is provided with a fixing plate, and the bottom end of the fixing plate is provided with a mold seat base. In the utility model, an inner mold cavity and a movable mold base are arranged on the inner wall of the casting mold, and after the metallurgical powder is die-casted in cooperation with the pressing mold device and the inner wall of the casting mold, the metallurgical powder molded parts inside the casting mold body are pushed out from the casting mold body and placed in a special In the metallurgical parts collection device, the metallurgical powder can be quickly pressed and demolded with the mold release device and the die pressing device, so as to improve the forming efficiency of the metallurgical powder.

Description

Demoulding mechanism of powder forming machine

Technical Field

The utility model relates to a powder forming machine designs technical field, in particular to powder forming machine demoulding mechanism.

Background

The powder pressing forming machine is a device for pressing powder and forming by utilizing external pressure in a die device, the existing powder pressing forming machine mainly comprises the steps of powder loading, pressing and demoulding, and a specific transmission mechanism is required to ensure the normal operation of each process in the processes of powder loading, pressing and demoulding. The existing powder forming die can only complete the demoulding treatment after the pressing forming operation is finished and the die is automatically cooled, however, the cooling operation is carried out by the full explorator self, so that the demoulding efficiency is greatly influenced, the use is inconvenient, and the adhesion condition can be caused in the demoulding process, thereby the demoulding quality is greatly influenced. Therefore, a demoulding mechanism of the powder forming machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of providing a demoulding mechanism of a powder forming machine, which solves the problems of lower demoulding efficiency, incomplete demoulding and inconvenient use of the powder forming machine in the prior art; the automatic operation of the demoulding mechanism of the powder forming machine is ensured, the demoulding efficiency of the powder forming machine is improved, the quality of powder forming is ensured, and the installation procedure of the demoulding mechanism is simplified.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: a demoulding mechanism of a powder forming machine comprises a demoulding base, a casting base and casting molds, wherein the casting base is arranged at the top end of the demoulding base, a casting base panel is arranged on the top end surface of the casting base, and six casting molds are arranged on the casting base panel.

As a preferred embodiment of the present invention, wherein: the die comprises a die body, a die cavity, a movable column, an ejector plate, a base, a fixed plate and a die holder base, wherein the die cavity is arranged in the center of the die body, the movable column is arranged at the bottom end of the die cavity, the ejector plate is arranged at the bottom end of the movable column, the base is arranged at the bottom end of the ejector plate, the fixed plate is arranged at the bottom end of the.

As a preferred embodiment of the present invention, wherein: the four corners of fixed plate top face are equipped with the support column respectively, the support column top is equipped with the backup pad respectively, the backup pad top is equipped with the spliced pole respectively, the spliced pole top is equipped with flexible seat, flexible seat inboard is equipped with respectively scrapes the flitch, it is just right to scrape the flitch the setting of die cavity port.

As a preferred embodiment of the present invention, wherein: the die casting die comprises a die holder base, a die release seat, a buffer connecting seat, a plurality of damping springs and a die cushion, wherein the die holder base is arranged on the die holder base, the die cushion is arranged on the die cushion, and the.

As a preferred embodiment of the present invention, wherein: the spliced pole inboard is equipped with the cushion chamber respectively, be equipped with the buffer beam in the cushion chamber respectively, be equipped with buffer spring on the buffer beam respectively.

Further, inner die cavities are respectively arranged on the inner side walls of the casting die cavities, and movable die holders are arranged at the bottoms of the casting die cavities.

Furthermore, the bottom of the supporting plate is respectively provided with a pressurizing rod which respectively props against the wall plate at the top end of the ejector plate.

Furthermore, an ultrasonic generator and a vibration motor are arranged in the demolding seat, the ultrasonic generator is arranged right opposite to the casting mold body, and a vibration output shaft of the vibration motor is connected with each buffer connecting seat respectively.

Furthermore, a cooling machine is arranged in the demolding seat and connected with a plurality of cooling pipes, and the cooling pipes penetrate through the base and the movable column and extend to the bottom end of the casting mold cavity.

Furthermore, a powder forming pressure casting mold device matched with each casting mold in the casting mold seat is arranged above the casting mold seat, and a metallurgical powder feeding device corresponding to the casting mold body and the casting mold cavity is respectively arranged on the powder forming pressure casting mold device.

Further, a telescopic support frame is arranged behind the bottom end of the demolding seat and fixedly connected with the rear end wall of the demolding seat.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. the utility model provides a powder forming machine demoulding mechanism, die cavity and movable die holder in the internal wall setting of mould, cooperation die assembly and mould body inner wall are behind metallurgical powder die-casting shaping, control end control thimble board effect movable die holder, with the inside metallurgical powder formed part of mould body from the internal offset of mould, place in special metallurgical collection device, set up a plurality of mould bodies in the die holder, can cooperate shedder and die assembly to suppress metallurgical powder fast and drawing of patterns operation, improve the shaping efficiency of metallurgical powder.

2. According to the technical scheme, the ultrasonic generator and the vibration motor are arranged in the demolding seat, the ultrasonic generator can be matched with the vibration frequency of the vibration motor, gaps and bubbles of a metallurgical part in the metallurgical powder molding process are reduced, and the quality of a metallurgical part product is improved; set up cushion chamber and damping spring around the thimble board, reducible vibrating motor too big vibration amplitude is to the influence of metallurgical, guarantees the rapid prototyping of metallurgical.

3. According to the technical scheme, the scraping plate is arranged in the telescopic seat, and the scraping plate can scrape metallurgical powder attached to the surface of the casting mold body in the telescopic process, so that the consistent specification of a metallurgical powder molded part is ensured, and the powder attachment when the casting mold body is extruded after the metallurgical part is molded is reduced; set up the cooler in the drawing of patterns seat to extend to the die cavity bottom through the cooling tube, air conditioning can make the die cavity will accelerate the mould process of powder metallurgy spare fast, strengthens the firmness of powder metallurgy spare.

Drawings

Fig. 1 is a first schematic structural diagram of a demolding mechanism of a powder molding machine of the present invention;

fig. 2 is a schematic structural diagram of a demolding mechanism of a powder molding machine of the present invention;

fig. 3 is a schematic view of the installation structure of the mold body of the demolding mechanism of the powder molding machine of the present invention;

fig. 4 is a transverse sectional view of a mold body mounting structure of a demolding mechanism of a powder molding machine according to the present invention;

fig. 5 is a schematic structural diagram of a transverse section a of a casting mold body of a demolding mechanism of a powder molding machine according to the present invention;

fig. 6 is a schematic structural diagram of a region B of a transverse cross section of a mold body of the demolding mechanism of the powder molding machine according to the present invention.

Wherein: the die comprises a stripping die seat 1, a casting die seat 2, a buffer connecting seat 21, a damping spring 22, a casting die seat panel 23, a casting die seat base 24, a casting die body 3, a casting die cavity 31, a supporting plate 32, an ejector plate 33, a supporting column 34, a fixing plate 35, a base 36, a movable column 37, a telescopic seat 38, a scraping plate 39, a connecting column 310, a buffer cavity 311, a buffer spring 312, a pressurizing rod 313, an inner die cavity 314 and a buffer die seat 315.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1-6, the utility model provides a pair of powder forming machine demoulding mechanism, including demoulding base 1, casting base 2 and the mould body 3, demoulding base 1 top is equipped with casting base 2, casting base 2 top face is equipped with casting base panel 23, be equipped with six mould bodies 3 on the casting base panel 23, it can carry out metallurgical powder forming operation simultaneously fast to set up a plurality of mould bodies, the quantity of mould body 3 can design corresponding figure according to casting base 2 and powder forming machine die pressing mechanism's size by oneself, also can require to change the specification of mould body 3 and then change the concrete design and the figure of arranging of the mould body 3 in the casting base 2 according to specific mould, so that cooperate different metallurgical powder forming requirements.

Referring to fig. 3, a mold cavity 31 is arranged in the center of a mold body 3, a movable column 37 is arranged at the bottom end of the mold cavity 31, an ejector pin plate 33 is arranged at the bottom end of the movable column 37, a base 36 is arranged at the bottom end of the ejector pin plate 33, a fixed plate 35 is arranged at the bottom end of the base 36, a mold seat base 24 is arranged at the bottom end of the fixed plate 35, metallurgical powder is added into the mold cavity 31, the metallurgical powder is pressed and molded by matching with a special pressure mold device, the movable column 37 and the ejector pin plate 33 can slightly vibrate in the process of pressing and molding the metallurgical powder, the metallurgical powder is pressed and molded by matching with the mold cavity, the ejector plate 33 acts on the movable column 37 to drive the movable die holder 315 to move upwards, so as to push the metallurgical part in the casting die cavity 31 out of the casting die cavity 31, and the base 36 and the fixed plate 35 fix the casting die body 3 and the bottom component on the casting die holder base 24, so as to establish the connection relationship between the casting die body 3 and the casting die holder 2.

Referring to fig. 4 and 5, support columns 34 are respectively arranged at four corners of the top end surface of the fixed plate 35, support plates 32 are respectively arranged at the tops of the support columns 34, connection columns 310 are respectively arranged at the tops of the support plates 32, telescopic seats 38 are arranged at the tops of the connection columns 310, scraping plates 39 are respectively arranged on the inner sides of the telescopic seats 38, the scraping plates 39 are arranged right opposite to ports of the casting mold cavity 31, the support columns 34 are used for arranging the support plates 32 and support components arranged at the tops of the support plates on the fixed plate 35, the support columns 34 and the components thereof are used for buffering the influence of the vibration of the casting mold body 3 on the components of; the scraping plate 39 can scrape off the metallurgical powder attached to the surface of the casting mold body 3 in the telescopic process, so that the consistent specification of the metallurgical powder molded part is ensured, and the powder adhesion when the casting mold body is extruded after the metallurgical part is molded is reduced.

Die holder base 24 top is equipped with buffering connecting seat 21, buffering connecting seat 21 top is equipped with a plurality of damping spring 22, die holder base 24 bottom is connected with drawing of patterns seat 1, buffering connecting seat 21 establishes die holder 2 and damping spring 22's being connected, damping spring 22 top supports fixed plate 35 bottom, balanced vibrating motor is to the influence of fixed plate 35, guarantee that the texture of metallurgical powder formed part is even, also can be when casting die cavity 31 is released to metallurgical after the press forming, avoid too big pushing amplitude to cause metallurgical damage.

Referring to fig. 6, the inner sides of the connecting columns 310 are respectively provided with a buffer cavity 311, the buffer cavity 311 is internally provided with a buffer rod, the buffer rods are respectively provided with a buffer spring 312, the buffer cavity 311 and the buffer rods further reduce the influence of the supporting columns 34 and the supporting plate 32 on the mold cavity 31, and can also prevent the vibration generated by the telescopic operation of the scraping plate 39 under the action of the telescopic seat 38 from causing adverse effects on the molding operation of the mold cavity 31.

The inside wall of the casting die cavity 31 is provided with an inner die cavity 314, the bottom of the casting die cavity 31 is provided with a movable die holder 315, the surfaces of the inner die cavity 314 and the movable die holder 315 are provided with an anti-sticking material layer, the inner die cavity 314 and the movable die holder 315 press the metallurgical powder in the casting die cavity 31, the anti-sticking material layer arranged on the inner side wall of the casting die cavity 31 can prevent the metallurgical part from being bonded with the inner wall of the casting die cavity 31, and the demolding process can be.

The bottom of the supporting plate 32 is respectively provided with a pressurizing rod 313, the pressurizing rods 313 respectively abut against the wall plate at the top end of the ejector plate 33, the pressurizing rods 313 balance the connection between the ejector plate 33 and the supporting plate 32, the telescopic seat 38 and the scraping plate 39 are ensured not to move downwards under the pressure action of the powder forming pressure casting mold device, and the integrity of the casting mold body 3 is ensured.

An ultrasonic generator and a vibration motor are arranged in the demoulding seat 1, the ultrasonic generator is arranged right opposite to the casting mould body 3, a vibration output shaft of the vibration motor is respectively connected with each buffer connecting seat 21, the ultrasonic generator can be matched with the vibration frequency of the vibration motor, gaps and bubbles of a metallurgical part in the metallurgical powder forming process are reduced, and the quality of a metallurgical part product is improved.

Be equipped with the cooler in the demolding seat 1, the cooler is connected with a plurality of cooling tubes 25, and cooling tube 25 runs through base 36 and activity post 37 and extends to casting die cavity 31 bottom, and the cooler passes through cooling tube 25 and extends to casting die cavity 31 bottom, and air conditioning can make casting die body 3 will accelerate the mould process of powder metallurgy piece fast, strengthens the firmness of powder metallurgy piece.

A powder forming pressure casting mold device matched with each casting mold body 3 in the casting mold base 2 is arranged above the casting mold base 2, a metallurgy powder feeding device corresponding to the casting mold body 3 and the casting mold cavity 31 is respectively arranged on the powder forming pressure casting mold device, the powder forming pressure casting mold device feeds powder into the casting mold cavity 31 through the special metallurgy powder feeding device, the powder forming pressure casting mold device presses the casting mold base 2 under the action of the pressure device, and the pressure device is matched with the casting mold cavity 31 to rapidly press and form the powder.

The rear part of the bottom end of the demoulding base 1 is provided with a telescopic support frame which is fixedly connected with the rear end wall of the demoulding base 1, the telescopic support frame is lifted to prop up the rear part of the demoulding base 1 by a certain height, and a metallurgical part pushed out of the casting die cavity 31 is discharged through the front part of the casting die base 2 by matching with a demoulding device and is delivered into a metallurgical part collecting device at the next stage.

The utility model provides a powder forming machine demoulding mechanism, powder forming pressure mould device adds the powder into die cavity 31 through special metallurgical powder pan feeding device, powder forming pressure mould device pushes down die casting seat 2, pressure device cooperation die cavity 31 is with powder rapid press forming, during this period, supersonic generator cooperates the vibration frequency of vibrating motor, gap and the bubble of metallurgical among the reduction metallurgy powder forming process, improve the quality of metallurgical goods, the air conditioning of cooler can make the die body 3 of casting mold fast will accelerate the mould process of powder metallurgy spare through cooling tube 25, strengthen the firmness of powder metallurgy spare, after the metallurgical spare press forming, thimble board 33 effect activity post 37 drives movable die holder 315 and shifts up, release the metallurgical in die cavity 31 out die cavity 31, telescopic support frame props up the die cavity 1 rear side by a take the altitude, the metallurgical piece pushed out of the die cavity 31 is discharged through the front of the die holder 2 in cooperation with the demolding device, and delivered into the metallurgical piece collecting device at the next stage.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A demolding mechanism of a powder molding machine, comprising a demolding seat (1), a casting mould base (2) and a casting mould body (3), wherein the top of the demolding base (1) is provided with a casting mould seat (2). ), the top surface of the mold seat (2) is provided with a mold seat panel (23), and the mold seat panel (23) is provided with six mold bodies (3);

Wherein, a mold cavity (31) is provided in the center of the mold body (3), a movable column (37) is provided at the bottom end of the mold cavity (31), and an ejector pin plate (33) is provided at the bottom end of the movable column (37). ), the bottom end of the thimble plate (33) is provided with a base (36), the bottom end of the base (36) is provided with a fixing plate (35), and the bottom end of the fixing plate (35) is provided with a mold seat base (24) );

Wherein, the four corners of the top surface of the fixing plate (35) are respectively provided with supporting columns (34), the tops of the supporting columns (34) are respectively provided with supporting plates (32), and the tops of the supporting plates (32) are respectively provided with supporting columns (34). A connecting column (310) is provided, a telescopic seat (38) is provided on the top of the connecting column (310), and scraping plates (39) are respectively provided on the inner side of the telescopic seat (38), and the scraping plates (39) set facing the port of the mold cavity (31);

The top of the mold base (24) is provided with a buffer connection seat (21), the top of the buffer connection seat (21) is provided with a plurality of shock-absorbing springs (22), and the bottom of the mold base (24) is connected to the The ejector seat (1) is connected;

The inner side of the connecting column (310) is respectively provided with a buffer cavity (311), the buffer cavity (311) is respectively provided with a buffer rod, and the buffer rod is respectively provided with a buffer spring (312).

2 . The demolding mechanism of a powder molding machine according to claim 1 , wherein the inner side walls of the mold cavity ( 31 ) are respectively provided with inner mold cavities ( 314 ), and the bottom of the mold cavity ( 31 ) is provided with an inner mold cavity ( 314 ). There is a movable mold base (315).

3 . The demolding mechanism of a powder molding machine according to claim 1 , wherein the bottom of the support plate ( 32 ) is respectively provided with pressure rods ( 313 ), and the pressure rods ( 313 ) press against the Hold the top wall plate of the thimble plate (33).

4. A powder molding machine demolding mechanism according to claim 1, characterized in that, an ultrasonic generator and a vibration motor are provided in the demolding seat (1), and the ultrasonic generator is facing the casting mold. The body (3) is provided, and the vibration output shaft of the vibration motor is respectively connected with each buffer connection seat (21).

5. A powder molding machine demolding mechanism according to claim 1, characterized in that, a cooling machine is arranged in the demolding seat (1), and a plurality of cooling pipes (25) are connected to the cooling machine, so that The cooling pipe (25) extends through the base (36) and the movable column (37) to the bottom end of the mold cavity (31).

6 . The demolding mechanism of a powder molding machine according to claim 1 , wherein a mold body ( 3 ) in the mold seat ( 2 ) is provided above the mold seat ( 2 ). 7 . The powder forming pressure casting mould device is provided with metallurgical powder feeding devices corresponding to the casting mould body (3) and the casting mould cavity (31) respectively.

7 . The demolding mechanism of a powder molding machine according to claim 1 , wherein a telescopic support frame is provided behind the bottom end of the demolding seat (1), and the telescopic support frame and the demolding seat are 7 . (1) The rear end wall is fixedly connected.