CN110860243A

CN110860243A - Powder metallurgy adhesive mixing equipment

Info

Publication number: CN110860243A
Application number: CN201911123415.7A
Authority: CN
Inventors: 胡志伟
Original assignee: 胡志伟
Current assignee: Henan Huanghe Whirlwind Co Ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-03-06
Anticipated expiration: 2039-11-16
Also published as: CN110860243B

Abstract

The invention discloses a powder metallurgy adhesive mixing device, which comprises a base, wherein two supporting tables are fixed on the upper end surface of the base, a mixing box for mixing powder and an adhesive is arranged between the two supporting tables, a driving mechanism for driving the mixing box to rotate is arranged in the supporting table, a stirring cavity for mixing is arranged in the mixing box, a separation mechanism for realizing the layering of the stirring cavity is arranged between the mixing box and the supporting platform, the separation mechanism comprises a connecting plate, the device has simple structure and convenient operation, realizes automatic layering when pouring the powder and the adhesive into the stirring cavity, when the stirring and rotary mixing are started, the layers are stirred and mixed in contact with each other, and since the powder and the adhesive layer are separated from each other, can stir thoroughly when stirring, improve the efficiency of stirring when having improved stirring quality.

Description

Powder metallurgy adhesive mixing equipment

Technical Field

The invention relates to the field of metallurgy, in particular to powder metallurgy adhesive mixing equipment.

Background

In the powder metallurgy process, the fine powder and the adhesive are required to be fully stirred and mixed, and then the mixture is output to be subjected to pressure molding of a grinding tool;

the mixing process of fine powder and adhesive is being carried out to current equipment, and the stirring intracavity is put into with fine powder and adhesive a large amount in proper order mostly, and both divide into two-layerly, then carry out abundant stirring through long-time stirring, and most all are regularly gone on, and stirring end back can not be abundant mix, in order to improve the stirring quality, needs extension churning time, the inefficiency of stirring.

Disclosure of Invention

The invention aims to solve the technical problem of providing a powder metallurgy adhesive mixing device, which overcomes the problems of low stirring efficiency, poor stirring quality and the like, thereby improving the stirring and mixing efficiency and quality.

The invention is realized by the following technical scheme.

The invention relates to powder metallurgy adhesive mixing equipment which comprises a base, wherein two supporting tables are fixed on the upper end face of the base, a mixing box for mixing powder and an adhesive is arranged between the two supporting tables, a driving mechanism for driving the mixing box to rotate is arranged in each supporting table, a stirring cavity for mixing is arranged in each mixing box, a separating mechanism for realizing layering of the stirring cavity is arranged between each mixing box and each supporting table, each separating mechanism comprises a connecting plate, two concentric annular cavities which are communicated with the outside space are arranged in each connecting plate, two sliding blocks are connected in each annular cavity in a sliding manner, a connecting block with one end penetrating through the end wall of each annular cavity and positioned in the outside space is fixed on each sliding block, and a separating plate with one end penetrating through the end walls of each mixing box and each stirring cavity and positioned in each stirring cavity is fixed on each connecting block, the powder and adhesive mixing device is characterized in that a driving cavity which is close to the end wall of the mixing box and communicated with the external space is arranged in the supporting table, a moving plate is connected in the driving cavity in a sliding mode, two connecting rods with one ends penetrating through the end wall of the driving cavity and fixedly connected with the connecting plate are fixed on the moving plate, a stirring mechanism capable of stirring powder and adhesives thrown into the stirring cavity is arranged in the stirring cavity, a distribution mechanism capable of uniformly distributing the powder or the adhesives into the stirring cavity layered by the separation mechanism is arranged in the upper end wall of the stirring cavity, a rope is fixed at the upper end of the connecting plate, and through the matching of the distribution mechanism and the stirring mechanism, the powder and the adhesives are automatically layered in the feeding process, so that the stirring quality and the stirring efficiency during stirring are guaranteed.

Further, actuating mechanism is including being located drive shaft in the drive chamber, the left side drive chamber left end wall be fixed with the left side the driving motor that drive shaft power is connected, the drive shaft is close to the one end of mixing box runs through the movable plate the end wall in drive chamber with the connecting plate and with mixing box fixed connection is equipped with the electromagnetic cavity that the opening is decurrent in the movable plate, electromagnetic cavity upper end wall is fixed with the electro-magnet, still be equipped with the lower extreme in the electromagnetic cavity run through according to above-mentioned electromagnetic cavity lower extreme end wall and with drive shaft screw-thread fit's thread block, the electro-magnet can repel mutually with the thread block and inhale mutually.

Further, rabbling mechanism is including being located the opening in the end wall makes progress and communicates under the stirring chamber the toper chamber in stirring chamber, be equipped with intercommunication external space under the toper chamber in the end wall with the discharge line in toper chamber, be equipped with electromagnetic switch in the discharge line, be equipped with in the stirring chamber up end wall and rotate the chamber, it has agitator motor to rotate chamber up end wall fixedly connected with, agitator motor lower extreme power connection has the lower extreme to run through rotate chamber down end wall and be located the (mixing) shaft in the stirring chamber, the (mixing) shaft lower extreme is fixed with eight pairs of puddlers, it is equipped with by to rotate the intracavity the (mixing) shaft pass the center and around both ends all with the shape piece that returns of end wall contact around the rotation chamber, the (mixing) shaft upper end be fixed with about both ends all with the cam of shape piece contact returns.

Further, the distribution mechanism comprises a feeding cavity with an upward opening, an electric guide rail is fixed on the lower end wall of the feeding cavity, an elastic material guiding film is fixed between the left end and the right end of the lower end wall of the feeding cavity, the electric guide rail is positioned between the left end and the right end of the elastic material guiding film, a sealing plate with the upper end contacting with the elastic material guiding film is fixed on the upper end of the electric guide rail, pushing cavities are arranged in the left end wall and the right end wall of the rotating cavity, communicated pipelines communicated with the pushing cavities and the stirring cavities are arranged on the lower end wall of the pushing cavities, the four communicated pipelines are respectively communicated with five stirring cavities separated by the separating plate, pushing plates with the front end and the rear end contacting with the front end wall and the rear end wall of the pushing cavities are connected in a sliding mode in the pushing cavities, and a moving rod with one end penetrating through the pushing cavities and the end wall of, rotate the equal intercommunication of end wall about still being equipped with in the chamber upper end wall promote the spacing chamber in chamber, spacing intracavity is equipped with two limiting plates, two the limiting plate is kept away from agitator motor's one end run through spacing chamber end wall and with push plate fixed connection, promote the chamber with listen through intercommunication chamber lotus root between the feeding chamber, be equipped with the ejecting chamber of opening decurrent in the intercommunication chamber upper end wall, ejecting intracavity is equipped with and to block the board that blocks in intercommunication chamber and can make block the expanding spring that the board resets, the rope is close to the one end of mixing box runs through the mixing box with intercommunication chamber lower end wall and with block board fixed connection.

The invention has the beneficial effects that: the device simple structure, the simple operation when pouring powder and adhesive into the stirring intracavity, realizes automatic layering, when beginning the rotatory mixture of stirring, makes each layer contact stirring mix, because powder and adhesive are separated from each other layer, thoroughly that can stir when the stirring, improved the efficiency of stirring when having improved the stirring quality.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front view of the structure of FIG. 1 at a enlarged scale in accordance with an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 1 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-3, the powder metallurgy adhesive mixing device includes a base 10, two supporting tables 11 are fixed on the upper end surface of the base 10, a mixing box 30 for mixing powder and adhesive is arranged between the two supporting tables 11, a driving mechanism 52 for driving the mixing box 30 to rotate is arranged in the supporting tables 11, a mixing cavity 50 for mixing is arranged in the mixing box 30, a separating mechanism 51 for realizing layering of the mixing cavity 50 is arranged between the mixing box 30 and the supporting tables 11, the separating mechanism 51 includes a connecting plate 24, two concentric annular cavities 21 which are both communicated with the external space are arranged in the connecting plate 24, two sliding blocks 23 are slidably connected in the annular cavity 21, a connecting block 22 which has one end penetrating through the end wall of the annular cavity 21 and is located in the external space is fixed on the sliding block 23, a separation plate 20 having one end penetrating through the mixing box 30 and the end wall of the stirring chamber 50 and located in the stirring chamber 50 is fixed on the connection block 22, a driving chamber 12 communicating with the external space near the end wall of the mixing box 30 is provided in the support table 11, a moving plate 13 is slidably connected in the driving chamber 12, two connecting rods 18 having one end penetrating through the end wall of the driving chamber 12 and fixedly connected to the connecting plate 24 are fixed on the moving plate 13, a stirring mechanism 54 capable of stirring the powder and the adhesive put into the stirring chamber 50 is provided in the stirring chamber 50, a distribution mechanism 53 capable of uniformly distributing the powder or the adhesive into the stirring chamber 50 layered by the separation mechanism 51 is provided in the upper end wall of the stirring chamber 50, a rope 19 is fixed on the upper end of the connecting plate 24, and the distribution mechanism 53 is matched with the stirring mechanism 54, the automatic layering of the powder and the adhesive is realized in the feeding process, and the stirring quality and the stirring efficiency during stirring are ensured.

Advantageously, the driving mechanism 52 includes a driving shaft 55 located in the driving chamber 12, the left end wall of the left side of the driving chamber 12 is fixed with a driving motor 14 in power connection with the left side of the driving shaft 55, one end of the driving shaft 55 near the mixing box 30 penetrates through the moving plate 13, the end wall of the driving chamber 12 and the connecting plate 24 and is fixedly connected with the mixing box 30, an electromagnetic chamber 16 with a downward opening is arranged in the moving plate 13, an electromagnet 17 is fixed on the upper end wall of the electromagnetic chamber 16, a threaded block 15 with a lower end penetrating through the lower end wall of the electromagnetic chamber 16 and in threaded fit with the driving shaft 55 is further arranged in the electromagnetic chamber 16, and the electromagnet 17 and the threaded block 15 can repel each other and attract each other.

Advantageously, the stirring means 54 comprise a conical chamber 25 open upwards and communicating with the stirring chamber 50, in the lower end wall of the stirring chamber 50, a discharge pipeline 27 communicating the external space and the conical cavity 25 is arranged in the lower end wall of the conical cavity 25, an electromagnetic switch 26 is arranged in the discharge pipeline 27, a rotating cavity 37 is arranged in the upper end wall of the stirring cavity 50, the upper end wall of the rotating cavity 37 is fixedly connected with a stirring motor 40, the lower end of the stirring motor 40 is in power connection with a stirring shaft 28, the lower end of the stirring shaft penetrates through the lower end wall of the rotating cavity 37 and is positioned in the stirring cavity 50, eight pairs of stirring rods 29 are fixed at the lower end of the stirring shaft 28, a square-shaped block 38 which is penetrated through the center by the stirring shaft 28 and the front end and the rear end of which are contacted with the front end wall and the rear end wall of the rotating cavity 37 is arranged in the rotating cavity 37, a cam 39 with the left end and the right end contacted with the return block 38 is fixed at the upper end of the stirring shaft 28.

Beneficially, the distributing mechanism 53 includes a feeding cavity 46 with an upward opening, an electric guide rail 49 is fixed on a lower end wall of the feeding cavity 46, an elastic material guiding film 47 is fixed between a left end and a right end of the lower end wall of the feeding cavity 46, the electric guide rail 49 is located between the left end and the right end of the elastic material guiding film 47, a sealing plate 48 with an upper end contacting with the elastic material guiding film 47 is fixed on an upper end of the electric guide rail 49, pushing cavities 32 are respectively arranged in left and right end walls of the rotating cavity 37, communicating pipes 36 communicating the pushing cavities 32 with the stirring cavities 50 are arranged on the lower end wall of the pushing cavity 32, the four communicating pipes 36 are respectively communicated with the five stirring cavities 50 separated by the partition plate 20, pushing plates 34 with front and rear ends contacting with the front and rear end walls of the pushing cavity 32 are slidably connected in the pushing cavity 32, a moving rod 35 with one end penetrating through the pushing cavity 32 and the end wall of the rotating cavity 37 and fixedly connected with the returning block 38 is fixed on, it all communicates to still be equipped with left and right ends wall in the upper end wall of rotation chamber 37 promote the spacing chamber 41 in chamber 32, be equipped with two limiting plates 33 in the spacing chamber 41, two limiting plate 33 keeps away from agitator motor 40's one end runs through spacing chamber 41 end wall and with push plate 34 fixed connection, promote the chamber 32 with listen through intercommunication chamber 42 lotus root between the material cavity 46, be equipped with the decurrent ejecting chamber 45 of opening in the intercommunication chamber 42 upper end wall, be equipped with in the ejecting chamber 45 and cut the cutoff plate 43 in intercommunication chamber 42 and can make the expanding spring 44 that cutoff plate 43 resets, rope 19 is close to the one end of mixing box 30 runs through mixing box 30 with intercommunication chamber 42 lower end wall and with cutoff plate 43 fixed connection.

In the initial state, the electromagnet 17 is not operated, the lower end of the thread block 15 is in threaded fit with the driving shaft 55, and the partition plates 20 on the left and right sides are abutted and penetrated by the lower end of the stirring shaft 28.

When stirring is required to be started, the external equipment guides powder into the feeding cavity 46, the powder inclines downwards towards the right along the elastic guide film 47 and enters the pushing cavity 32 on the right through the communicating cavity 42, at the moment, the stirring motor 40 works to drive the stirring shaft 28 to rotate so as to drive the cam 39 and the stirring rod 29 to rotate, the rotation of the cam 39 drives the return block 38 to move left and right so as to drive the moving rod 35 to move left and right so as to drive the pushing plate 34 to move left and right, so that the powder in the pushing cavity 32 on the right is pushed into the stirring cavity 50 through the communicating pipeline 36 on the right, the two layers of powder are isolated by the partition plate 20, when an adhesive is required to be guided, the electric guide rail 49 works to drive the closing plate 48 to move right so as to drive the elastic guide film 47 to deform, and when the closing plate 48 moves to the rightmost side, the elastic guide film 47 becomes an inclined plane inclining downwards towards the left, the adhesive introduced into the feeding cavity 46 enters the pushing cavity 32 at the most side through the elastic material guiding film 47, and enters the upper side of the partition plate 20 at a position different from the powder position under the driving of the pushing plate 34;

the stirring shaft 28 drives the stirring rod 29 to rotate, so that the powder or the adhesive on the upper side of the partition plate 20 is stirred, and the powder and the adhesive are uniformly spread on the partition plate 20;

after the addition is completed, the driving motor 14 works to drive the left driving shaft 55 to rotate, so as to drive the left thread block 15 to move leftwards and simultaneously drive the mixing box 30 to rotate, the rotation of the mixing box 30 drives the right driving shaft 55 to rotate, so that the right thread block 15 moves rightwards, the movement of the thread block 15 drives the moving plate 13 to move, so as to drive the connecting plate 24 and the connecting rod 18 to move towards the direction far away from the mixing box 30 to move the connecting plate 24, so as to tension the rope 19 and simultaneously drive the connecting block 22 and the sliding block 23 to move, the movement of the connecting block 22 drives the partition plate 20 to gradually leave the stirring cavity 50, and the rope 19 is stretched, so as to drive the cutoff plate 43 to move downwards and cutoff the communication cavity 42, so that the feeding cavity 46 is;

when the separation plate 20 moves to be separated from the stirring cavity 50, the electromagnet 17 works to attract the thread block 15, so that the thread block 15 is separated from the driving shaft 55, so that the moving plate 13 stops moving, the mixing box 30 rotates under the driving of the driving shaft 55, the separation plate 20 is separated from the stirring cavity 50, so that powder of each layer is contacted with the adhesive and stacked together, mixing and stirring are started under the coordination of rotation of the mixing box 30 in the vertical direction and rotation of the stirring rod 29 in the horizontal direction, and the efficiency and quality of stirring are improved due to layered stacking of the powder and the adhesive;

after the stirring is completed, the driving shaft 55 drives the mixing box 30 to rotate to the original position, the opening of the lower end wall of the discharge pipeline 27 is downward, then the electromagnetic switch 26 is opened, at the moment, under the driving of the rotation of the stirring rod 29, the mixture leaves the stirring cavity 50 under the action of the self weight, after the mixture is taken out, the electromagnet 17 stops working, the thread block 15 is in threaded fit with the driving shaft 55 again under the action of the self weight, then the driving motor 14 works in the reverse direction, the driving shaft 55 rotates in the reverse direction through transmission, so that the thread block 15 drives the moving plate 13 to reset, the connecting rod 18 and the connecting plate 24 reset, the partition plate 20 resets, the rope 19 is loosened, the partition plate 43 is driven to reset by the reset of the expansion spring 44, and the pushing cavity 32 is communicated with the pushing cavity 32.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A powder metallurgy adhesive mixing apparatus, includes the base, its characterized in that: the upper end face of the base is fixedly provided with two supporting tables, a mixing box for mixing powder and adhesive is arranged between the two supporting tables, a driving mechanism for driving the mixing box to rotate is arranged in each supporting table, a stirring cavity for mixing is arranged in each mixing box, a separating mechanism for realizing layering of the stirring cavity is arranged between each mixing box and the corresponding supporting table, each separating mechanism comprises a connecting plate, two concentric annular cavities which are communicated with the outside space are arranged in each connecting plate, two sliding blocks are connected in each annular cavity in a sliding mode, a connecting block with one end penetrating through the end wall of each annular cavity and positioned in the outside space is fixed on each sliding block, a separating plate with one end penetrating through the end walls of the mixing boxes and the stirring cavities and positioned in the stirring cavities is fixed on each connecting block, a driving cavity which is close to the end wall of each mixing box and communicated with the, the powder and adhesive automatic layering device is characterized in that a moving plate is connected in the driving cavity in a sliding mode, two connecting rods are fixed on the moving plate, one end of each connecting rod penetrates through the end wall of the driving cavity and is fixedly connected with the connecting plate, a stirring mechanism capable of stirring powder and adhesive fed into the stirring cavity is arranged in the stirring cavity, a distribution mechanism capable of evenly distributing the powder or the adhesive into the stirring cavities layered by the separation mechanism is arranged in the upper end wall of the stirring cavity, a rope is fixed at the upper end of the connecting plate, and through the matching of the distribution mechanism and the stirring mechanism, the powder and the adhesive are automatically layered in the feeding process, and the stirring quality and the stirring efficiency during stirring are guaranteed.

2. A powder metallurgy binder mixing apparatus according to claim 1, wherein: actuating mechanism is including being located drive shaft, left side in the drive chamber left end wall be fixed with the left side the driving motor that drive shaft power is connected, the drive shaft is close to the one end of mixing box runs through the movable plate the end wall in drive chamber with the connecting plate and with mixing box fixed connection is equipped with the electromagnetic cavity that the opening is decurrent in the movable plate, electromagnetic cavity upper end wall is fixed with the electro-magnet, still be equipped with the lower extreme in the electromagnetic cavity run through according to above-mentioned electromagnetic cavity lower extreme wall and with drive shaft screw-thread complex thread piece, electro-magnet and thread piece can repel each other and inhale mutually.

3. A powder metallurgy binder mixing apparatus according to claim 1, wherein: rabbling mechanism is including being located the opening in the end wall makes progress and communicates under the stirring chamber the toper chamber in stirring chamber, be equipped with intercommunication external space under the toper chamber in the end wall with the discharge line in toper chamber, be equipped with electromagnetic switch in the discharge line, be equipped with in the stirring chamber upper end wall and rotate the chamber, it has agitator motor to rotate chamber upper end wall fixedly connected with, agitator motor lower extreme power connection has the lower extreme to run through rotate chamber lower end wall and be located the (mixing) shaft of stirring intracavity, the (mixing) shaft lower extreme is fixed with eight pairs of puddlers, it is equipped with by to rotate the intracavity the (mixing) shaft pass the center around just both ends all with the shape piece returns of end wall contact around rotating the chamber, the (mixing) shaft upper end be fixed with about both ends all with the cam of shape piece contact returns.

4. A powder metallurgy binder mixing apparatus according to claim 3, wherein: the distribution mechanism comprises a feeding cavity with an upward opening, an electric guide rail is fixed on the lower end wall of the feeding cavity, an elastic material guide film is fixed between the left end and the right end of the lower end wall of the feeding cavity, the electric guide rail is positioned between the left end and the right end of the elastic material guide film, a sealing plate with the upper end in contact with the elastic material guide film is fixed on the upper end of the electric guide rail, pushing cavities are arranged in the left end wall and the right end wall of the rotating cavity, communicated pipelines communicated with the pushing cavities and the stirring cavities are arranged on the lower end wall of the pushing cavities, the four communicated pipelines are respectively communicated with the five stirring cavities separated by the separating plate, pushing plates with the front end and the rear end in contact with the front end wall and the rear end wall of the pushing cavities are connected in a sliding mode in the pushing cavities, and a moving rod with the shape returning block and with the, rotate the equal intercommunication of end wall about still being equipped with in the chamber upper end wall promote the spacing chamber in chamber, spacing intracavity is equipped with two limiting plates, two the limiting plate is kept away from agitator motor's one end run through spacing chamber end wall and with push plate fixed connection, promote the chamber with listen through intercommunication chamber lotus root between the feeding chamber, be equipped with the ejecting chamber of opening decurrent in the intercommunication chamber upper end wall, ejecting intracavity is equipped with and to block the board that blocks in intercommunication chamber and can make block the expanding spring that the board resets, the rope is close to the one end of mixing box runs through the mixing box with intercommunication chamber lower end wall and with block board fixed connection.