CN210449373U

CN210449373U - Powder metallurgy raw material stirring screen cloth

Info

Publication number: CN210449373U
Application number: CN201921416056.XU
Authority: CN
Inventors: 王操; 黎载波; 赵旭光
Original assignee: Shaoguan University
Current assignee: Shaoguan University
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-05
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a powder metallurgy raw material mixing screen relates to the powder metallurgy field, to the easy problem of blockking up of current powder metallurgy screen cloth mesh, now proposes following scheme, and it is including handling the case, the top intermediate position of handling the case has driving motor through the mounting screw, just driving motor's output shaft is vertical down, and extends to the internal connection who handles the case and have the dwang, the inner wall of handling the case rotates and installs a rotation section of thick bamboo, just be connected with the horizontal pole between the inner wall of a rotation section of thick bamboo and the dwang, the dwang is located the fixed cover of the inside circumference lateral wall of handling the case and is equipped with the action wheel, and the action wheel is located the below setting of a rotation section of. The utility model discloses novel structure, and the device can carry out effectual screening stirring to the powder metallurgy raw materials and handle to can carry out the discontinuity to its screen cloth board and strike, thereby can avoid the mesh of screen cloth board to block up, improve the efficiency that the powder metallurgy raw materials was handled, suitable popularization.

Description

Powder metallurgy raw material stirring screen cloth

Technical Field

The utility model relates to a powder metallurgy field especially relates to a powder metallurgy raw material mixing screen cloth.

Background

Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various products by preparing metal powder or using the metal powder as a raw material and forming and sintering the metal powder. The powder metallurgy method has similar places to the production of ceramics and belongs to the powder sintering technology, so a series of new powder metallurgy technologies can also be used for preparing ceramic materials. Due to the advantages of the powder metallurgy technology, the powder metallurgy technology becomes a key for solving the problem of new materials, and plays a significant role in the development of the new materials.

When carrying out powder metallurgy raw materials processing, need carry out effectual filtration to it, and traditional filter screen is static setting, consequently after long-time the use, impurity is piled up easily to its mesh, leads to its jam, reduces the raw materials processing efficiency of powder metallurgy processing, consequently, in order to solve this type of problem, we have proposed a powder metallurgy raw materials stirring screen cloth.

Disclosure of Invention

The utility model provides a pair of powder metallurgy raw material mixing screen has solved the easy problem of blockking up of current powder metallurgy screen cloth mesh.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a powder metallurgy raw material stirring screen comprises a processing box, wherein a driving motor is installed at the middle position of the top end of the processing box through a screw, and the output shaft of the driving motor is vertically downward, and the rotating rod is connected with the inside of the processing box in an extending way, the inner wall of the processing box is rotatably provided with a rotating cylinder, and a cross rod is connected between the inner wall of the rotating cylinder and the rotating rod, the side wall of the circumference of the rotating rod, which is positioned inside the treatment box, is fixedly sleeved with a driving wheel, the driving wheel is positioned below the rotating cylinder, and the circumferential side wall of the rotating rod is connected with two symmetrically arranged stirring plates, the inner wall of the treatment box is rotatably provided with two transversely arranged transmission rods, one ends, close to each other, of the two transmission rods are connected with driven wheels, helical gears are arranged on the circumferential side walls of the driving wheels and the circumferential side walls of the driven wheels, and the driving wheels are meshed with the driven wheels; knocking device is installed to the circumference lateral wall of transfer line, the inner wall sliding connection who handles the case has the screen cloth board that is horizontal setting for screen cloth board can vertical orientation produce the displacement, and screen cloth board is located the below setting of stirring board, just the bottom of screen cloth board is provided with the spout, the bottom slope inner wall of handling the case articulates there is the hinge bar that two symmetries set up, just the top of hinge bar is connected with the slider, just the slider with spout sliding connection, and two be connected with the spring between the slider.

Preferably, the side wall of the treatment box is provided with symmetrically arranged feeding holes, a discharge hole is formed in the middle position of the bottom end of the treatment box, the side wall of the rotating cylinder is provided with two symmetrically arranged feeding holes in a penetrating manner, and the feeding holes are the same as the feeding holes in structure.

Preferably, the knocking device comprises a connecting rod and a counterweight ball body, two groups of connecting rods which are symmetrically arranged in a staggered mode are connected to the circumferential side wall of the transmission rod, the length of each connecting rod is sequentially increased from the outer side of the transmission rod to the inside, and the end portion of each connecting rod is connected with the counterweight ball body.

Preferably, grinding balls with the same structure are uniformly arranged at the top end of the screen plate and the bottom end of the stirring plate.

Preferably, be connected with the dead lever that is horizontal setting between the inner wall of spout, just the dead lever is the slip through setting with the slider, and the spring housing establishes on the circumference lateral wall of dead lever.

Preferably, the stirring plate is not positioned opposite to the feeding hole on the rotating cylinder.

Preferably, the helical gears on the driving wheel are not completely arranged, and the helical gears on the driving wheel are distributed at two spaced 1/4 circular arc positions.

Preferably, the distance between the stirring plate and the transmission rod is greater than the length of the connection rod.

Preferably, the length of the longest connecting rod is greater than the distance between the transmission rod and the screen plate, and the lengths of the rest connecting rods are less than the distance between the transmission rod and the screen plate.

The utility model has the advantages that: through driving motor, handle case, horizontal pole, throw the material hole, rotate a section of thick bamboo, the transfer line, from the driving wheel, sieve plate, the hinge bar, the discharge opening, the action wheel, the dwang, the slider, a spring, the dead lever, the stirring board, the connecting rod, the counter weight spheroid, the setting of feed port for the device can carry out effectual screening stirring to the powder metallurgy raw materials and handle, and can carry out the discontinuity to its sieve plate and strike, thereby can avoid the mesh jam of sieve plate, improve the efficiency that the powder metallurgy raw materials handled. To sum up, the device can carry out effectual screening stirring to the powder metallurgy raw materials and handle to can carry out the discontinuity to its screen cloth board and strike, thereby can avoid the mesh of screen cloth board to block up, improve the efficiency that the powder metallurgy raw materials was handled, suitable popularization.

Drawings

In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a bottom view of the internal structure of the treatment box of the present invention.

Fig. 4 is a state diagram of the rotary drum of the present invention.

In the figure: the device comprises a driving motor 1, a processing box 2, a cross rod 3, a feeding hole 4, a rotating cylinder 5, a transmission rod 6, a driven wheel 7, a screen plate 8, a hinged rod 9, a discharge hole 10, a driving wheel 11, a rotating rod 12, a sliding block 13, a spring 14, a fixed rod 15, a stirring plate 16, a connecting rod 17, a counterweight sphere 18 and a feeding hole 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a powder metallurgy raw material mixing screen, including handling case 2, there is driving motor 1 at the top intermediate position of handling case 2 through the mounting screw, and driving motor 1's output shaft is vertical downwards, and extends to the internal connection who handles case 2 and have dwang 12, and the inner wall of handling case 2 rotates and installs a section of thick bamboo 5 that rotates, and is connected with horizontal pole 3 between the inner wall of a section of thick bamboo 5 and dwang 12, rotates through horizontal pole 3 and drives two and rotate a section of thick bamboo 5 and rotate. The dwang 12 is located the fixed cover of the inside circumference lateral wall of handling case 2 and is equipped with action wheel 11, and action wheel 11 is located the below setting of a section of thick bamboo 5, and the stirring board 16 that is connected with two symmetries of dwang 12 circumference lateral wall and sets up. Two transmission rods 6 which are transversely arranged are rotatably arranged on the inner wall of the treatment box 2, one ends, close to each other, of the two transmission rods 6 are connected with driven wheels 7, knocking devices are arranged on the circumferential side walls of the transmission rods 6, a transversely arranged screen plate 8 is slidably connected to the inner wall of the treatment box 2, and grinding balls with the same structure are uniformly arranged at the top end of the screen plate 8 and the bottom end of the stirring plate 16; the screen plate 8 is arranged below the transmission rod 6, and a gap is formed between the upper part of the screen plate 8 and the rotating rod 12 and is not contacted; the bottom end of the screen plate 8 is provided with a chute, and a fixed rod 15 which is transversely arranged is arranged in the chute; the bottom slope inner wall of handling case 2 articulates there is articulated rod 9 that two symmetries set up, and the top of articulated rod 9 is connected with slider 13, and

slider

13 and 15 sliding connection of dead lever, dead lever 15 is to slide through the setting with slider 13 promptly, and is connected with spring 14 between two sliders 13, and spring 14 cover is established at the surface of dead lever 15, and the bottom of handling case 2 is connected with the support column, and the universal wheel is installed to the bottom of preferred support column, is provided with locking mechanism on the universal wheel. The lateral wall of processing case 2 is provided with the symmetrical feeding hole 4 that sets up, and the bottom intermediate position of processing case 2 is provided with discharge opening 10. The lateral wall of the rotary drum 5 is provided with two symmetrically arranged feeding holes 19 in a penetrating manner, the feeding holes 19 are identical to the feeding holes 4 in structure, when raw materials are required to be stirred and screened, the raw materials are fed into the rotary drum 5 through the feeding holes 4, the rotary drum 5 is driven to rotate through the driving motor 1, and when the feeding holes 19 in the rotary drum 5 are overlapped with the feeding holes 4, the raw materials enter the processing box 2. Thus, intermittent feeding can be realized, raw materials are prevented from being accumulated, and stirring and screening of the raw materials are facilitated. Preferably, the stirring plate 16 is not located opposite to the feeding hole 19 of the rotary drum 5, so as to avoid the influence of the rotation of the stirring plate 16 on the feeding during the feeding.

Meanwhile, the driving motor 1 drives the rotating rod 12 and the stirring plate 16 to rotate, the stirring is carried out on the rotating rod and the stirring plate, meanwhile, grinding treatment is carried out on the rotating rod and the stirring plate through grinding balls, and then after the filtering is carried out on the screen plate 8, the discharging treatment box 2 is discharged through the discharging hole 10. The grinding balls at the bottom end of the stirring plate 16 also play a role in extruding raw materials into the discharge hole 10 through the screen plate 8 during grinding.

Preferably, the bottom of the screen plate 8 is provided with a chute, and the top of the chute is a sealed plane, that is, the spring performance of the screen plate 8 cannot be reduced because the metallurgical powder falling from the screen plate 8 is stuck inside the spring 14. Meanwhile, due to the rotary rolling of the stirring plate 16 and the vertical vibration of the screen plate, the imbalance of the material accumulation above the sliding chute is avoided.

The knocking device comprises connecting rods 17 and counterweight spheres 18, two groups of connecting rods 17 which are arranged in a staggered and symmetrical mode are connected to the circumferential side walls of the two transmission rods 6 (the connecting rods 17 and the counterweight spheres 18 are not marked on the side faces of the transmission rods 6 in fig. 1, and the bottom view of the transmission rods is shown in fig. 3), the length of each connecting rod 17 is sequentially increased from the outer side of the transmission rod 6 to the inner side, the counterweight spheres 18 are connected to the end portions of the connecting rods 17, and helical gears are arranged on the circumferential side walls of the driving wheel. Optionally, the helical gear on the driving wheel 11 is not completely arranged, and the helical gear of the driving wheel 11 is meshed with the helical gear of the driven wheel 7.

The stirring plate 16 is positioned above the transmission rod 6, the distance between the stirring plate 16 and the transmission rod 6 is greater than the length of the connecting rod 17, namely, the distance between the counterweight spherical body 18 and the screen plate 8, and when the transmission rod 6 rotates to drive the counterweight spherical body 18 to do circular motion in the vertical plane, the stirring plate 16 cannot be interfered. Preferably, the length of the longest connecting rods 17 is slightly greater than the distance between the drive rod 6 and the screen plate 8, while the length of the remaining connecting rods 17 is slightly smaller than the distance between the drive rod 6 and the screen plate 8.

When the rotating rod 12 rotates, the driving wheel 11 is driven to rotate, so that the tooth blocks on the driving wheel 11 are meshed with the tooth blocks on the driven wheel 7, the driven wheel 7 rotates, the driven wheel 7 drives the transmission rod 6 to rotate around the shaft of the transmission rod 6, and the transmission rod 6 drives the connecting rod 17 arranged on the side face of the transmission rod 6 and the counterweight sphere 18 to rotate in a vertical plane. When the feeding amount is large and fine grinding is performed, the helical gears on the driving wheel 11 are completely arranged, so that the transmission rod 6 rotates vertically all the time to drive the counterweight ball 18 to stir up and down, and the grinding balls below the raw material and stirring plate 16 and above the screen plate 8 are driven to grind. When the feeding amount is small and the driving motor needs to rotate at a low speed, the bevel gears on the driving wheel 11 can be selected to be incompletely arranged, and the preferred bevel gears on the driving wheel 11 are distributed at two spaced 1/4 circular arc positions; when the tooth block on the driving wheel 11 is separated from the tooth block on the driven wheel 7, the inertia of the transmission rod 6 is ignored, and the gravity of the counterweight sphere 18 drives the transmission rod 6 to rotate reversely. Two kinds of mode of setting of action wheel 11, all make the punching press of counter weight spheroid 18 on sieve plate 8, and sieve plate 8 lapse, make articulated rod 9 promote slider 13 and slide in the spout, extrude spring 14 simultaneously, extrude after the certain degree, the elasticity of spring 14 can promote slider 13 reverse slip, thereby make sieve plate 8 upwards move, select the spring 14 of suitable elastic coefficient, tooth piece on the action wheel 11 and the tooth piece interlock once more from the driving wheel 7 this moment, repeat above-mentioned operation can, thereby make sieve plate 8 vibrations, thereby can prevent that its mesh from blockking up, improve the raw materials processing efficiency.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a powder metallurgy raw material mixing screen, includes handles case (2), its characterized in that, the top intermediate position of handling case (2) has driving motor (1) through the mounting screw, just the output shaft of driving motor (1) is vertical down, and extends to the internal connection who handles case (2) has dwang (12), the inner wall of handling case (2) rotates and installs a rotating cylinder (5), just be connected with horizontal pole (3) between the inner wall of rotating cylinder (5) and dwang (12), the fixed cover of circumference lateral wall that dwang (12) are located inside of handling case (2) is equipped with action wheel (11), and action wheel (11) are located the below setting of rotating cylinder (5), just dwang (12) circumference lateral wall is connected with two stirring board (16) that the symmetry set up, the inner wall rotation of handling case (2) is installed two transfer line (6) that are horizontal setting, one ends, close to each other, of the two transmission rods (6) are connected with driven wheels (7), helical gears are arranged on the circumferential side walls of the driving wheels (11) and the circumferential side walls of the driven wheels (7), and the driving wheels (11) are meshed with the driven wheels (7);

knocking device is installed to the circumference lateral wall of transfer line (6), the inner wall sliding connection who handles case (2) has sieve otter board (8) that is horizontal setting for sieve otter board (8) can vertical direction produce the displacement, and sieve otter board (8) are located the below setting of stirring board (16), just the bottom of sieve otter board (8) is provided with the spout, the bottom slope inner wall of handling case (2) articulates articulated rod (9) that have two symmetries to set up, just the top of articulated rod (9) is connected with slider (13), just slider (13) with spout sliding connection, and two be connected with spring (14) between slider (13).

2. The powder metallurgy raw material mixing screen according to claim 1, wherein the side wall of the processing box (2) is provided with symmetrically arranged feeding holes (4), the middle position of the bottom end of the processing box (2) is provided with a discharging hole (10), the side wall of the rotating cylinder (5) is provided with two symmetrically arranged feeding holes (19) in a penetrating way, and the feeding holes (19) and the feeding holes (4) have the same structure.

3. The powder metallurgy raw material stirring screen mesh according to claim 1, wherein the knocking device comprises connecting rods (17) and counterweight spheres (18), two groups of connecting rods (17) which are symmetrically arranged in a staggered manner are connected to the circumferential side walls of the two transmission rods (6), the length of each connecting rod (17) is sequentially increased from the outer side of each transmission rod (6) to the inner side, and the counterweight spheres (18) are connected to the end parts of the connecting rods (17).

4. The stirring screen for powder metallurgy raw materials as claimed in claim 1, wherein the top end of the screen plate (8) and the bottom end of the stirring plate (16) are uniformly provided with grinding balls with the same structure.

5. The powder metallurgy raw material stirring screen mesh as claimed in claim 1, wherein a fixing rod (15) is connected between the inner walls of the sliding grooves in a transverse arrangement, the fixing rod (15) and the sliding block (13) are arranged in a sliding and penetrating manner, and the spring (14) is sleeved on the circumferential side wall of the fixing rod (15).

6. A powder metallurgical raw material mixing screen according to claim 1, characterized in that the mixing plate (16) is not located opposite the feed openings (19) in the rotating drum (5).

7. The stirring screen for powder metallurgy raw materials according to claim 1, wherein the helical gears on the driving wheel (11) are not completely arranged, and the helical gears on the driving wheel (11) are distributed at two spaced 1/4 circular arc positions.

8. A powder metallurgical raw material mixing screen according to claim 1, characterized in that the distance between the mixing plate (16) and the transmission rod (6) is greater than the length of the connecting rod (17).

9. A powder metallurgical raw material mixing screen according to claim 3, characterized in that the longest connecting rods (17) have a length greater than the distance between the transmission rod (6) and the screen plate (8), and the remaining connecting rods (17) have a length less than the distance between the transmission rod (6) and the screen plate (8).