Powder process drying device for powder metallurgy
Technical Field
The invention relates to the technical field of powder preparation by powder metallurgy, in particular to a powder preparation drying device for powder metallurgy.
Background
With the rapid development of market economy and the increasing popularization of automatic equipment, people like to pursue devices capable of bringing convenience to life and work, and metal powder refers to metal particle groups with the size smaller than 1 mm. Including single metal powders, alloy powders, and powders of certain refractory compounds having metallic properties, are the primary raw materials for powder metallurgy. Chinese patent publication is CN212350370U, discloses a powder metallurgy powder process device, including carrying the thing board, the bottom fixed mounting who carries the thing board has the gyro wheel, the top fixed mounting who carries the thing board has the box, the top fixed mounting of box has the support column, the top fixed mounting of support column has crushing case, fixed mounting has the motor in the middle of the top of crushing case, the output fixed mounting of motor has crushing pole. This powder metallurgy powder process device is through installing motor, crushing pole and crushing case to reached the effect of smashing the material, through the cooperation between crushing pole and the grinding roller, reached the purpose of quick metallurgical powder process, thereby improved production efficiency, through the installation scraper blade, thereby make the filter screen reach quick filterable purpose, through installing the filter screen, reached the purpose of filtering and screening metallurgical powder process, thereby improved the quality device of metallurgical powder process. When this crushing rod is smashed metal, produce metal powder and fly out from the feed inlet easily, lead to being inhaled by the human body and endanger health, simultaneously when the screening powder, efficiency is not ideal.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a powder making and drying device for powder metallurgy, which comprises a shell 1, a feeding bin 2, a negative pressure fan 3, a first gear 4, a motor 5, a first belt component 6, a first rotating rod 7, a second belt component 8, a second rotating rod 9, a second gear 10, a third rotating rod 11, a conveying pipe 12, a torsion spring 13, a blade 14, a rotating plate 15, a crushing hob 16, a crushing bin 17, a cam 18, a contact plate 19, a filtering bin 20, a spring expansion plate 21, a collecting bin 22 and a filter screen 23, wherein the feeding bin 2 is positioned right above the negative pressure fan 3, is communicated with a negative pressure fan 3, the negative pressure fan 3 is fixed at the top of the shell 1, a delivery pipe 12 is arranged at the bottom of the negative pressure fan 3, the delivery pipe 12 is a semicircular groove, the two sides of the bottom of the conveying pipe 12 are both connected with a rotating plate 15 through a torsion spring 13, and the top of the rotating plate 15 is fixedly connected with a blade 14; a motor 5 is fixedly connected to one side of the shell 1, a first belt assembly 6 is arranged at the output end of the motor 5, the other side of the first belt assembly 6 is sleeved on a first rotating rod 7, one end of the first rotating rod 7 is fixedly connected with a first gear 4, a second gear 10 is arranged on one side of the first gear 4, the second gear 10 is meshed with the first gear 4, the second gear 10 is connected with a third rotating rod 11, the third rotating rod 11 and the other end of the first rotating rod 7 penetrate through the shell 1 and are fixedly connected with a crushing hob 16, a crushing bin 17 is arranged outside the crushing hob 16, the top of the crushing bin 17 is fixedly connected with the inner wall of the top end of the shell 1, and the crushing bin 17 is positioned under the negative pressure fan 3; a second belt assembly 8 is arranged outside the third rotating rod 11, the other side of the second belt assembly 8 is sleeved on the second rotating rod 9, one side of the second rotating rod 9 penetrates through the shell 1 and is fixedly connected with a cam 18, one side of the cam 18 is provided with a contact plate 19, one side of the contact plate 19 is fixedly connected with a filter bin 20, and the other side of the filter bin 20 is connected with the shell 1 through a spring expansion plate 21; the bottom of the filtering bin 20 is provided with a filter screen 23.
Furthermore, one side of the shell 1 is provided with a through hole, and the shell 1 is provided with an exhaust valve 24 inside the through hole.
Furthermore, the filter screen 23 of the present invention is provided with a heating function.
The working principle of the invention is as follows: firstly, an external power supply is closed to start a motor 5 and a negative pressure fan 3, and simultaneously, metal to be metallurgically pulverized is poured into a feeding bin 2, at the moment, the motor drives an output shaft to drive a first belt component 6 to rotate, the first belt component 6 drives a first rotating rod 7 to rotate, because a first gear 4 is meshed with a second gear 10, the first rotating rod 7 drives a third rotating rod 11 to rotate through the first gear 4, a pulverizing hob 16 can be driven to rotate in a pulverizing bin 17, negative pressure airflow is blown into the feeding bin 2 by the negative pressure fan 3 to suck the metal into a conveying pipe 12, a blade 14 is arranged at the top of a rotating plate 15, the metal can be pulverized for the first time by utilizing the blown metal impact blade, the metal crushed for the first time conveniently enters the pulverizing bin 17, the metal crushed for the first time by the pulverizing hob 16 can be more fully pulverized into powder, and the metal in the discharging bin 2 is unidirectionally sucked by the negative pressure fan 3, can avoid the crushed powder to emerge from the feeding bin 2 and prevent the powder from being absorbed by human body and endangering health and safety.
The invention has the beneficial effects that:
(1) the device of the invention firstly closes an external power supply to start a motor and a negative pressure fan by arranging the negative pressure fan and a blade, and simultaneously pours the metal to be metallurgically pulverized into a feeding bin, at the moment, the motor drives an output shaft to drive a first belt component to rotate, the first belt component drives a first rotating rod to rotate, the first gear and a second gear are meshed, at the moment, the first rotating rod drives a third rotating rod to rotate through the first gear, a pulverizing hob can be driven to rotate in the pulverizing bin, negative pressure airflow is blown into the feeding bin by the negative pressure fan to suck the metal into a conveying pipe, the blade can impact the blade by the blown metal at the top of a rotating plate, the metal is pulverized for the first time, the metal crushed for the first time can conveniently enter the pulverizing bin, the pulverized hob can be more fully pulverized into powder, and simultaneously, the negative pressure fan is used for unidirectionally sucking the metal in the feeding bin, can prevent the crushed powder from overflowing from the feeding bin and being absorbed by human body to harm health and safety.
(2) According to the invention, through the facility cam and the filter screen, the third rotating rod drives the second rotating rod to rotate through the second belt component, the second rotating rod drives the cam to rotate, the cam rotates on one side of the contact plate at this moment, the contact plate and the filter bin can be driven to move left and right and the spring expansion plate can be compressed due to the fact that the bulge is arranged on one side of the cam, meanwhile, the crushed metal powder falls into the filter bin, and the filter bin drives the filter screen and the metal powder to shake left and right, so that the efficiency of screening the metal powder by the filter screen can be accelerated, and meanwhile, the powder can be heated and dried by the filter screen.
(3) According to the invention, by arranging the exhaust valve and arranging the exhaust valve at one side of the shell, the air flow blown into the shell by the negative pressure fan can be exhausted from the exhaust valve, so that the phenomenon that the shell is cracked due to the increase of the air pressure value in the shell is avoided.
Drawings
FIG. 1 is a front view of a powder forming and drying apparatus for powder metallurgy according to example 1;
FIG. 2 is a front view of a pulverizing and drying apparatus for powder metallurgy according to example 1;
FIG. 3 is a front view of the powder forming and drying apparatus for powder metallurgy according to example 2.
In the figure: 1-a housing; 2-a feeding bin; 3-negative pressure fan; 4-a first gear; 5, a motor; 6-a first belt assembly; 7-a first rotating rod; 8-a second belt assembly; 9-a second rotating rod; 10-a second gear; 11-a third rotating rod; 12-a delivery pipe; 13-a torsion spring; 14-a blade; 15-rotating the plate; 16-grinding hob; 17-a crushing bin; 18-a cam; 19-a contact plate; 20-a filtering bin; 21-spring expansion plate; 22-a collection bin; 23-a filter screen; 24-exhaust valve.
Detailed Description
The present invention is further described in detail with reference to the following specific examples, but the scope of the present invention is not limited to the above description.
Example 1
A powder making and drying device for powder metallurgy comprises a shell 1, a feeding bin 2, a negative pressure fan 3 (the model is FV-12CG 2C), a first gear 4, a motor 5, a first belt component 6, a first rotating rod 7, a second belt component 8, a second rotating rod 9, a second gear 10, a third rotating rod 11, a conveying pipe 12, a torsion spring 13, a blade 14, a rotating plate 15, a crushing hob 16, a crushing bin 17, a cam 18, a contact plate 19, a filtering bin 20, a spring expansion plate 21, a collecting bin 22 and a filter screen 23, wherein the feeding bin 2 is positioned right above the negative pressure fan 3 and communicated with the negative pressure fan 3, the negative pressure fan 3 is fixed at the top of the shell 1, the conveying pipe 12 is arranged at the bottom of the negative pressure fan 3, the conveying pipe 12 is a semicircular groove, two sides of the bottom of the conveying pipe 12 are both connected with the rotating plate 15 through the torsion spring 13, and the blade 14 is fixedly connected with the top of the rotating plate 15; a motor 5 is fixedly connected to one side of the shell 1, a first belt assembly 6 is arranged at the output end of the motor 5, the other side of the first belt assembly 6 is sleeved on a first rotating rod 7, one end of the first rotating rod 7 is fixedly connected with a first gear 4, a second gear 10 is arranged on one side of the first gear 4, the second gear 10 is meshed with the first gear 4, the second gear 10 is connected with a third rotating rod 11, the third rotating rod 11 and the other end of the first rotating rod 7 penetrate through the shell 1 and are fixedly connected with a crushing hob 16, a crushing bin 17 is arranged outside the crushing hob 16, the top of the crushing bin 17 is fixedly connected with the inner wall of the top end of the shell 1, and the crushing bin 17 is positioned under the negative pressure fan 3; a second belt assembly 8 is arranged outside the third rotating rod 11, the other side of the second belt assembly 8 is sleeved on the second rotating rod 9, one side of the second rotating rod 9 penetrates through the shell 1 and is fixedly connected with a cam 18, one side of the cam 18 is provided with a contact plate 19, one side of the contact plate 19 is fixedly connected with a filter bin 20, and the other side of the filter bin 20 is connected with the shell 1 through a spring expansion plate 21; the bottom of the filtering bin 20 is provided with a filter screen 23, and the filter screen 23 is provided with a heating function.
The working process of the device in the embodiment is as follows: firstly, an external power supply is closed to start a motor 5 and a negative pressure fan 3, and simultaneously, metal to be metallurgically pulverized is poured into a feeding bin 2, at the moment, the motor drives an output shaft to drive a first belt component 6 to rotate, the first belt component 6 drives a first rotating rod 7 to rotate, because a first gear 4 is meshed with a second gear 10, the first rotating rod 7 drives a third rotating rod 11 to rotate through the first gear 4, a pulverizing hob 16 can be driven to rotate in a pulverizing bin 17, negative pressure airflow is blown into the feeding bin 2 by the negative pressure fan 3 to suck the metal into a conveying pipe 12, a blade 14 is arranged at the top of a rotating plate 15, the metal can be pulverized for the first time by utilizing the blown metal impact blade, the metal crushed for the first time conveniently enters the pulverizing bin 17, the metal crushed for the first time by the pulverizing hob 16 can be more fully pulverized into powder, and the metal in the discharging bin 2 is unidirectionally sucked by the negative pressure fan 3, can avoid the crushed powder to emerge from the feeding bin 2 and prevent the powder from being absorbed by human body and endangering health and safety.
The third rotating rod 11 drives the second rotating rod 9 to rotate through the second belt assembly 8, the second rotating rod 9 drives the cam 18 to rotate, the cam 18 rotates on one side of the contact plate 19 at the moment, the contact plate 19 and the filtering bin 20 can be driven to move left and right and the spring expansion plate 21 is compressed due to the fact that the bulge is arranged on one side of the cam 18, meanwhile, the crushed metal powder falls into the filtering bin 17, and the filtering bin 17 drives the filtering net 23 and the metal powder to shake left and right, so that the efficiency of the filtering net 23 for screening the metal powder can be improved, and meanwhile, the filtering net can be used for heating and drying the powder; a torsion spring 13 is arranged between the rotating plate 15 and the conveying pipe 12, and the rotating plate 15 can drive the blade 14 to rotate upwards to be in contact with metal by utilizing the elastic force of the torsion spring 13.
Example 2
Referring to fig. 3, a powder process drying device for powder metallurgy, this embodiment is compared in embodiment 1, in order to avoid the casing internal gas pressure value grow to lead to the casing to break, the second through-hole has been seted up to casing 1 one side outside, casing 1 is equipped with discharge valve 24 in the second through-hole inside, through setting up discharge valve 24, utilizes to be provided with discharge valve 24 in casing 1 one side, can make the air current that negative-pressure air fan 3 bloated in to casing 1 discharge from discharge valve 24, avoids the casing 1 internal gas pressure value grow, thereby leads to the casing 1 to break and leads to.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, are used only for convenience in describing the present patent and for simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present patent.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.