CN220392679U

CN220392679U - Tungsten carbide powder material loading equipment

Info

Publication number: CN220392679U
Application number: CN202321799244.1U
Authority: CN
Inventors: 黄绍东; 周新春; 谢博
Original assignee: Shenzhen Ruigesheng Equipment Co ltd
Current assignee: Shenzhen Ruigesheng Equipment Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-26
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to the technical field of powder feeding equipment, and discloses tungsten carbide powder feeding equipment, which comprises tungsten carbide powder feeding equipment, and comprises the following components: the bin comprises a feed inlet, a discharge outlet, a bin wall and a cavity defined by the bin wall; the space of the cavity is gradually reduced from the feeding port to the discharging port; the spiral propulsion driving assembly comprises a spiral blade shaft and a driving mechanism for driving the spiral blade shaft to rotate; the spiral blade shaft is obliquely arranged and extends from the feed inlet to the discharge outlet and is used for conveying tungsten carbide powder in the storage bin to the discharge outlet; the pneumatic vibrator is arranged on the outer side wall of the bin wall and is used for applying vibration to the bin wall; the feed bin apron and manual valve subassembly are used for opening and closing respectively the feed inlet with the discharge gate. The tungsten carbide is conveyed through the equipment, so that the frequency of manual intervention equipment can be reduced, and the conveying efficiency is improved.

Description

Tungsten carbide powder material loading equipment

Technical Field

The utility model relates to the technical field of powder feeding equipment, in particular to tungsten carbide powder feeding equipment.

Background

With the development of information, biology and new materials, the powder technology correspondingly develops to deeper and wider aspects. The powder technology is a comprehensive technology taking granular solid matters as objects to study the properties, preparation, processing and application of the granular solid matters, and mainly comprises the procedures of crushing, grinding, homogenizing, grading, drying, collecting, mixing, storing, shipping, modifying and granulating certain powder products and the like, wherein the material conveying of each procedure is particularly important and indispensable.

Tungsten carbide is a compound composed of tungsten and carbon, and is extremely poor in fluidity. Powder flow problems such as bridging, blockage, delamination and the like frequently occur when tungsten carbide powder is conveyed through the existing powder automatic feeding equipment. This requires a lot of time and effort to perform manual intervention, increases labor intensity of workers, and seriously affects production efficiency.

Disclosure of Invention

Aiming at the defects or the defects in the prior art, the utility model provides tungsten carbide powder feeding equipment special for tungsten carbide conveying according to the characteristics of tungsten carbide. The device can well solve the problems of bridging, blockage, layering and other powder flowing generated in the process of conveying tungsten carbide by the existing powder automatic feeding device. The tungsten carbide is conveyed through the equipment, so that the frequency of manual intervention equipment can be reduced, and the conveying efficiency is improved.

In order to achieve the above object, the present utility model provides a tungsten carbide powder feeding apparatus, comprising:

the bin comprises a feed inlet, a discharge outlet, a bin wall and a cavity defined by the bin wall; the space of the cavity is gradually reduced from the feeding port to the discharging port;

the spiral propulsion driving assembly comprises a spiral blade shaft and a driving mechanism for driving the spiral blade shaft to rotate; the spiral blade shaft is obliquely arranged and extends from the feed inlet to the discharge outlet and is used for conveying tungsten carbide powder in the storage bin to the discharge outlet;

the pneumatic vibrator is arranged on the outer side wall of the bin wall and is used for applying vibration to the bin wall;

the feed bin apron and manual valve subassembly are used for opening and closing respectively the feed inlet with the discharge gate.

The device is provided with a bin with a special shape, and based on the bin with the special shape, all the powder can be moved in the bin when the powder is discharged. The whole flow generates a first-in first-out flow sequence, so that powder accumulation and dead angles are avoided, and the discharging is more stable, more uniform and more controlled. In addition, the spiral propulsion component of the equipment can effectively solve the problems of arching, bridging, blocking and the like of materials. The pneumatic vibrator can quickly shake off the powder adhered on the bin wall. Therefore, the frequency of manual intervention equipment can be reduced by conveying the tungsten carbide through the equipment, and conveying efficiency is provided.

Further, the cavity is formed into a cone structure.

Further, the bin wall comprises four side walls, namely front side wall, rear side wall, left side wall and right side wall; wherein the left side wall and the right side wall are symmetrically arranged; the front side wall and the rear side wall are oppositely arranged, and the inclination angle of the front side wall is larger than that of the rear side wall; the pitch angle of the helical blade axis is the same as the pitch angle of the rear sidewall;

preferably, the inclination angle of the left side wall and the right side wall is 75 ° -85 °.

Further, the helical blade shaft is disposed adjacent to one side of the rear sidewall and within a planar area defined by the rear sidewall.

Further, a reinforcing mounting plate is arranged on the outer side wall of the bin wall; the pneumatic vibrator is arranged on the outer side wall of the bin wall through the reinforced mounting plate.

Further, the screw propulsion drive assembly housing is provided with a screw propulsion drive assembly shield.

Further, the tungsten carbide powder feeding equipment also comprises a rack for supporting and accommodating the bin; buffer blocks are arranged at contact points of the storage bin and the frame.

Further, the buffer block is fixed through a bin mounting bracket arranged at the joint of the bin and the frame.

Further, casters are arranged at the bottom of the frame.

Further, the driving mechanism comprises a pneumatic motor, a speed reducer assembly, a driving sprocket, a transmission chain and a driven sprocket;

the driving sprocket is arranged on an output shaft of the speed reducer, and the driven sprocket is arranged on the helical blade shaft; the transmission chain is sleeved on the driving sprocket and the driven sprocket simultaneously and is used for transmitting the power of the pneumatic motor to the helical blade shaft.

The tungsten carbide powder feeding equipment can realize that all the powder moves in the container when the tungsten carbide powder is fed, and the whole flow generates a first-in first-out flow sequence, so that powder accumulation and dead angles are avoided, and the feeding is more stable, more uniform and more controlled. By adopting the bin with a special structure, the phenomenon that powder flows through the center and the upper part of the outlet of the bin and is separated and remained on two sides of the container can be improved, and the powder is not easy to clamp, so that the powder is easy to be discharged from the bin.

By adopting the spiral propulsion driving assembly 3, the problems of wall sticking, material hanging, blocking, bridging and the like of powder materials can be effectively solved. The tungsten carbide powder material in the bin 2 is forcedly stirred to prevent the tungsten carbide powder material from forming a stable arch with the bin wall, so that the foundation of blockage is broken down, and the occurrence of blockage is prevented.

Through adopting pneumatic vibrator, make the feed bin produce the vibration, can realize making the coefficient of friction reduce in the powder through the vibration, shear strength reduces to make the powder that adheres to on the feed bin inner wall shake and fall.

In summary, the technical scheme of the application effectively solves the problems of arching, bridging, blocking and the like of tungsten carbide powder. The tungsten carbide is conveyed through the equipment, so that the frequency of manual intervention equipment can be reduced, and the conveying efficiency is improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic diagram of the overall structure of tungsten carbide powder feeding equipment of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the tungsten carbide powder feeding device of the present utility model;

FIG. 3 is a schematic view of the overall rear structure of the tungsten carbide powder feeding device of the present utility model;

FIG. 4 is a schematic structural view of one embodiment of a rack support assembly structure;

FIG. 5 is a schematic structural view of an embodiment of a silo;

fig. 6 is a schematic structural view of one embodiment of a screw drive assembly.

Description of the reference numerals

1 a frame support part; 101 a protective cover of a screw propulsion driving assembly; 102 a frame rear baffle; 103 an access door assembly; 104, an air circuit mounting plate; a 105 rack; 106 casters; 2, a storage bin; 201 a manual valve assembly; 2011 valve handle; 2012 valve baffles; 2013 valve connection flange; 202 bin cover plate; 203 reinforcing the mounting plate; 204, a bin mounting bracket; 205 buffer blocks; 3, a spiral propulsion driving assembly; 301 a pneumatic motor and speed reducer assembly; 302 helical blade shaft; 303 bearing housing assembly; 304 bearing mount plate; 305 a drive sprocket; 306 a drive chain; 307 driven sprocket 4 pneumatic vibrator.

Detailed Description

The following describes specific embodiments of the present utility model in detail. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper and lower" are used to generally refer to orientations in the assembled state of use. "inner and outer" refer to the inner and outer relative to the contour of the components themselves.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The utility model provides tungsten carbide powder feeding equipment. As shown in fig. 1 to 6, the tungsten carbide powder feeding device comprises a feed bin 2, a screw propulsion driving assembly 3, a pneumatic vibrator 4, a feed bin cover plate 202 and a manual valve assembly 201.

Wherein the silo 2 comprises a feed inlet, a discharge outlet, a silo wall and a cavity defined by the silo wall. The space of the cavity is gradually reduced from the feeding hole to the discharging hole. In a preferred embodiment, the cavity is formed as a cone structure. The bin cover 202 and the manual valve assembly 201 are used to open and close the feed port and the discharge port, respectively. In an alternative embodiment, as shown in fig. 5, manual valve assembly 201 includes a valve handle 2011, a valve flap 2012, and a valve attachment flange 2013.

The screw drive assembly 3 comprises a screw blade shaft 302 and a drive mechanism for driving said screw blade shaft 302 in rotation. The helical blade shaft is obliquely arranged and extends from the feeding port to the discharging port, and is used for conveying tungsten carbide powder in the storage bin 2 to the discharging port.

A pneumatic vibrator 4 is provided on the outer side wall of the bin wall for imparting vibrations to the bin wall. Based on the setting of the pneumatic vibrator 4, the reduction of the friction coefficient in the tungsten carbide powder and the reduction of the shear strength can be realized through vibration. In addition, the powder adhered to the inner wall of the bin is vibrated and dropped by vibrating the bin. The outer side wall of the bin wall is provided with a reinforcing mounting plate 203. The pneumatic vibrator 4 is mounted to the outer side wall of the bin wall by the reinforcing mounting plate 203. The reinforcing mounting plate 203 may be fixedly disposed on the bin 2 by welding, so as to increase the connection strength with the bin wall connection parts.

In an alternative embodiment, as shown in fig. 5, the cartridge wall comprises four side walls, front, rear, left and right. The left side wall and the right side wall are symmetrically arranged. The front side wall and the rear side wall are oppositely arranged, and the inclination angle of the front side wall is larger than that of the rear side wall. The length of the rear side wall is greater than the length of the front side wall. The pitch angle of the helical blade axle 302 is the same as the pitch angle of the rear sidewall.

The "tilt angle" in the foregoing description refers to an angle between each sidewall and the horizontal plane.

In a preferred embodiment, the inclination angle of the left side wall and the right side wall is set to 75 ° to 85 °. The reason for this arrangement is that the included angle of 75-85 degrees can reduce the force points of tungsten carbide powder hanging on the left side wall and the right side wall, and reduce the possibility of tungsten carbide powder hanging on the left side wall and the right side wall of the storage bin. Further, the inclination angle of the front side wall is set to 75 ° -85 °. At this angle, the tungsten carbide powder is more difficult to hang on the front sidewall, as shown in fig. 2.

In an alternative embodiment, the rear sidewall has an inclination angle of 45 ° -60 °.

In an alternative embodiment, the helical blade axle 302 is disposed adjacent one side of the rear sidewall and within a planar area defined by the rear sidewall. The purpose of this is to enable as much tungsten carbide powder as possible to fall onto the helical blade shaft 302.

As shown in fig. 1, the screw drive assembly housing is provided with a screw drive assembly shield 101. The screw drive assembly shield 101 isolates the rotating moving parts from personal injury and prevents dust and powder from entering the pneumatic motor and reducer assembly 301.

The tungsten carbide powder feeding device further comprises a frame 105 for supporting and accommodating the bin 2. Buffer blocks 205 are arranged at the contact points of the bin 2 and the frame 105. The buffer block 205 may be fixed by a bin mounting bracket 204 provided at the junction of the bin 2 and the frame 105. The buffer block 205 can buffer and reduce vibration and impact force between the bin and the frame, reduce damage and abrasion between the bin 2 and the frame 105, prolong service life, reduce vibration and noise, and make the working environment quiet and comfortable.

As shown in fig. 6, the driving mechanism includes a pneumatic motor, a speed reducer assembly 301, a driving sprocket 305, a driving chain 306, and a driven sprocket 307. The driving sprocket 305 is mounted on the output shaft of the speed reducer, and the driven sprocket 307 is mounted on the helical blade shaft 302. The transmission chain 306 is sleeved on the driving sprocket 305 and the driven sprocket 307 at the same time, and is used for transmitting the power of the pneumatic motor to the helical blade shaft 302.

The pneumatic motor and speed reducer assembly 301 can realize stepless speed regulation, and is suitable for working in severe environments such as inflammable and explosive environments and high dust. The helical blade shaft 302 is rotatably coupled to the housing 105 by a bearing mount assembly 303. The bearing housing assembly 303 is mounted to the housing 105 by a bearing housing mounting plate 304. Wherein the bearing housing assembly 303 takes the form of a back-to-back conical bearing assembly mounting. The structure can bear radial and axial loads, can prevent axial transmission and can bear higher overturning moment.

As shown in fig. 4, the left, right and rear sides of the frame 105 are provided with an access door assembly 103, a gas circuit mounting plate 104 and a frame tailgate 102, respectively. Based on the arrangement of the access door assembly 103, the air passage mounting plate 104 and the frame rear baffle 102, subsequent spot inspection and maintenance of the equipment can be conveniently performed. The frame 105 is welded by stainless steel square tubes, and has stable structure and attractive appearance. In addition, casters 106 are provided at the bottom of the frame 105 for enhancing the maneuverability of the device.

In the technical scheme of the utility model, the tungsten carbide powder with the mixed proportion is fed into the feed bin 2, the manual valve 201 is opened, and the spiral propulsion driving assembly 3 and the pneumatic vibrator 4 are started, so that the material conveying of the next process is completed rapidly and accurately.

The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. Tungsten carbide powder material loading equipment, its characterized in that includes:

the feed bin (2) comprises a feed inlet, a discharge outlet, a bin wall and a cavity defined by the bin wall; the space of the cavity is gradually reduced from the feeding port to the discharging port;

a screw propulsion drive assembly (3) comprising a screw blade shaft (302) and a drive mechanism for driving the screw blade shaft (302) in rotation; the spiral blade shaft (302) is obliquely arranged and extends from the feed inlet to the discharge outlet, and is used for conveying tungsten carbide powder in the storage bin (2) to the discharge outlet;

a pneumatic vibrator (4) arranged on the outer side wall of the bin wall and used for applying vibration to the bin wall;

a bin cover plate (202) and a manual valve assembly (201) are respectively used for opening and closing the feed inlet and the discharge outlet.

2. The tungsten carbide powder loading device according to claim 1, wherein the cavity is formed as a cone structure.

3. The tungsten carbide powder loading device according to claim 2, wherein the bin wall comprises four side walls, front, rear, left and right; wherein the left side wall and the right side wall are symmetrically arranged; the front side wall and the rear side wall are oppositely arranged, and the inclination angle of the front side wall is larger than that of the rear side wall; the pitch angle of the helical blade shaft (302) is the same as the pitch angle of the rear sidewall.

4. A tungsten carbide powder feeding apparatus according to claim 3, wherein the left and right side walls have an inclination angle of 75 ° to 85 °.

5. Tungsten carbide powder feeding apparatus according to claim 1, wherein a reinforcing mounting plate (203) is provided on the outer side wall of the bin wall; the pneumatic vibrator (4) is mounted on the outer side wall of the bin wall through the reinforced mounting plate (203).

6. Tungsten carbide powder feeding apparatus according to claim 1, wherein the screw drive assembly housing is provided with a screw drive assembly shield (101).

7. Tungsten carbide powder feeding device according to claim 1, further comprising a frame (105) for supporting and accommodating the silo (2); buffer blocks (205) are arranged at contact points of the storage bin (2) and the frame (105).

8. The tungsten carbide powder feeding device according to claim 7, wherein the buffer block (205) is fixed by a silo mounting bracket (204) arranged at the connection of the silo (2) and the frame (105).

9. Tungsten carbide powder feeding device according to claim 7, characterized in that the bottom of the frame (105) is provided with casters (106).

10. The tungsten carbide powder feeding apparatus as claimed in any one of claims 1 to 9, wherein the drive mechanism includes a pneumatic motor, a speed reducer assembly (301), a drive sprocket (305), a drive chain (306), a driven sprocket (307);

the driving sprocket (305) is mounted on an output shaft of a speed reducer, and the driven sprocket (307) is mounted on the helical blade shaft (302); the transmission chain (306) is sleeved on the driving chain wheel (305) and the driven chain wheel (307) at the same time and is used for transmitting the power of the pneumatic motor to the helical blade shaft (302).