Grading screening device for copper powder processing

Abstract

The utility model discloses a graded screening device for copper powder processing, relates to the technical field of copper powder, and provides the following scheme aiming at the problems that in the background technology, small-particle powder drifts away in the external environment and cannot be collected, so that workers easily inhale metal powder, and the environmental protection property is poor. Comprising a shell, the shell comprises a shell body, a material guide plate with the two ends connected to the inner walls of the two sides of the shell body through bolts and a top plate connected to the outer wall of the top of the shell body through bolts, three screening covers of a V-shaped structure are arranged in the shell body, and a conveying mechanism is arranged in the shell body; the conveying mechanism comprises three rotating shafts, three spiral blades and a gear motor, wherein the two ends of each rotating shaft penetrate through and are connected to the outer wall of the shell through bearings, and the three spiral blades are welded to the outer walls of the three rotating shafts respectively. According to the copper powder collecting device, small-particle copper powder can be collected, the small-particle copper powder is prevented from drifting to the external environment, the copper powder is prevented from being sucked in, and the environmental protection property is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper powder technical field especially relates to a kind of grading screening device for copper powder processing. BACKGROUND

[0002] Copper powder has excellent heat conduction and electrical conductivity, and good corrosion resistance and mechanical properties, widely used in powder metallurgy, carbon products, electronic materials, metal paint, chemical catalyst, filter, heat pipe and other electromechanical parts and electronic aviation field, in the copper powder processing process, copper powder needs to be screened.

[0003] Through retrieval, China patent (application number is "202421195478.X") discloses "a kind of metal powder grading screening device", above-mentioned grading screening device includes vibrating screen main body, hollow shaft is connected in the inside of vibrating screen main body by motor output shaft, the upper surface of vibrating screen main body is fixedly connected with feed inlet, the bottom end in the inside of feed inlet is provided with and hollow shaft is fixedly connected with air inlet fan, the lower end of the outer surface of hollow shaft is fixedly connected with horn mouth, the lower part of horn mouth is provided with and is fixedly connected to the inner wall of vibrating screen main body Isolation plate, the inside of horn mouth is provided with and is opened in the outer surface of hollow shaft Communication port, but, above-mentioned grading screening device in use process, when feeding, the powder of small particle will be scattered in external environment, cannot collect the powder of small particle, cause staff to easily inhale metal powder, and environmental protection is poor. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of grading screening device for copper powder processing, solve the problem that the grading screening device of comparative file proposes when feeding, the powder of small particle will be scattered in external environment, cannot collect the powder of small particle, cause staff to easily inhale metal powder, and environmental protection is poor.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of grading screening device for copper powder processing, including shell, the shell includes shell body, the guide plate that two ends are respectively connected by bolt on the inner wall of shell body two sides and the top plate that is connected by bolt on the outer wall of shell body top, three "V" type structure's screening cover are equipped in the shell body, conveying mechanism is equipped in the shell body, the conveying mechanism includes three two ends respectively through bearing and be connected on the outer wall of shell body on the shaft, three respectively welded on the outer wall of three shafts screw blade and be connected by coupling on the one end of one of shafts speed reducer, dust collection mechanism is equipped on the top of shell body, the dust collection mechanism includes the installation box that is connected by bolt on the outer wall of shell body top, the dust collection box that is slidably fitted in installation box, dust removal fan, ventilation pipe that is through and is fixedly arranged on the inner wall of installation box one side upper portion and dust collection cover that is fixedly arranged on the inner wall of ventilation pipe one end.

[0007] Preferably, the top plate has an installation opening on its outer wall, and a feed hopper is fixed inside the installation opening.

[0008] Preferably, the three screening covers are respectively bolted to the inner walls of both sides of the housing, and the filter hole diameter of the three screening covers decreases sequentially from top to bottom.

[0009] Preferably, each of the three rotating shafts has a drive gear connected to one end of its outer wall via a pin. A mounting cover is bolted to one side of the outer wall of the housing, and the geared motor is bolted to the outer wall of the mounting cover. Two drive shafts are connected to one side of the outer wall of the housing via bearings, and one end of each drive shaft passes through and is connected to the outer wall of the mounting cover via a bearing. One end of each of the two drive shafts is connected to a drive gear via a pin, and the two drive gears mesh with the three drive gears to form a transmission engagement.

[0010] The above scheme involves feeding copper powder into the housing via a hopper, guiding it to the uppermost screening hood inside the housing via a guide plate, then driving three rotating shafts via a geared motor, which in turn drive three spiral blades. The spiral blades convey the copper powder within the screening hood, which then screens the powder. The copper powder then falls into the screening hood in the middle of the housing, where it is screened again before finally falling into the screening hood at the bottom of the housing, thus achieving multi-stage screening of the copper powder.

[0011] Preferably, a first discharge pipe, a second discharge pipe, and a third discharge pipe are respectively bolted to the outer wall of one side of the housing, and the lengths of the first discharge pipe, the second discharge pipe, and the third discharge pipe decrease sequentially.

[0012] Preferably, the upper part of the mounting box is bolted to a box cover, and the dust collection box is bolted to the bottom outer wall of the box cover. An installation pipe is fixed on the lower inner wall of one side of the mounting box, and a conveying pipe is connected to the outer wall of one end of the installation pipe by a clamp. One end of the conveying pipe is connected to the outer wall of the air inlet of the dust collector fan by a clamp, and the dust collector fan is bolted to the top outer wall of the box cover. The bottom end of the ventilation pipe passes through and is fixed to the outer wall of the top plate.

[0013] The above method involves using a dust removal fan to extract air from the installation box. Under the pressure difference, the copper powder above the casing and the copper powder above the feed hopper are drawn into the dust collection box through the ventilation pipe. The dust collection box collects the tiny copper powder particles.

[0014] The beneficial effects of this utility model are as follows:

[0015] When the dust removal fan operates, it draws air out of the installation box. Under the action of pressure difference, the copper powder above the shell and the copper powder above the feed hopper enter the dust collection box along the ventilation pipe. The dust collection box collects the fine copper powder particles, which can prevent the fine copper powder particles from drifting into the external environment and prevent copper powder from being sucked in, thus improving environmental protection. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall main structure of a grading and screening device for copper powder processing proposed in this utility model.

[0017] Figure 2 This is a front view cross-sectional structural diagram of a grading and screening device for copper powder processing proposed in this utility model.

[0018] Figure 3 This is a schematic diagram of the main sectional view of the outer shell of a grading and screening device for copper powder processing proposed in this utility model.

[0019] Figure 4 This is a schematic diagram of the main structure of the conveying mechanism of a grading and screening device for copper powder processing proposed in this utility model.

[0020] Figure 5 This is a front view cross-sectional structural diagram of the dust collection mechanism of a grading and screening device for copper powder processing proposed in this utility model.

[0021] In the diagram: 1. Outer shell; 101. Shell; 102. Guide plate; 103. Top plate; 2. Screening hood; 3. Conveying mechanism; 301. Rotating shaft; 302. Spiral blade; 303. Drive gear; 304. Mounting cover; 305. Gear motor; 306. Drive shaft; 307. Drive gear; 4. First discharge pipe; 5. Second discharge pipe; 6. Third discharge pipe; 7. Dust collection mechanism; 701. Mounting box; 702. Box cover; 703. Dust collection box; 704. Mounting pipe; 705. Conveying pipe; 706. Dust removal fan; 707. Ventilation pipe; 708. Dust collection hood. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example 1, referring to Figures 1-4A grading and screening device for copper powder processing includes a housing 1, which comprises a shell 101, guide plates 102 bolted to the inner walls of both sides of the shell 101, and a top plate 103 bolted to the outer wall of the top of the shell 101. The top plate 103 has an installation opening on its outer wall, into which a feed hopper is fixed. Three "V"-shaped screening covers 2 are installed inside the shell 101, bolted to the inner walls of both sides of the shell 101. The filter aperture of the three screening covers 2 decreases sequentially from top to bottom. A conveying mechanism 3 is installed inside the shell 101, comprising three rotating shafts 301 with both ends penetrating through and connected to the outer wall of the shell 101 via bearings, three spiral blades 302 welded to the outer walls of the three rotating shafts 301, and a reduction motor 305 connected to one end of one of the rotating shafts 301 via a coupling. Each of the rotating shafts 301 has a drive gear 303 connected to one end of its outer wall via a pin. A mounting cover 304 is bolted to one side of the outer wall of the housing 101. A geared motor 305 is bolted to one side of the outer wall of the mounting cover 304. Two drive shafts 306 are connected to one side of the outer wall of the housing 101 via bearings. One end of each drive shaft 306 passes through and is connected to the outer wall of the mounting cover 304 via a bearing. One end of each drive shaft 306 is connected to a drive gear 307 via a pin. The two drive gears 307 mesh with the three drive gears 303 to form a transmission engagement, realizing the step-by-step transmission of multiple gears. A first discharge pipe 4, a second discharge pipe 5, and a third discharge pipe 6 are bolted to one side of the outer wall of the housing 101. The lengths of the first discharge pipe 4, the second discharge pipe 5, and the third discharge pipe 6 decrease sequentially, realizing different discharges of the screened copper powder.

[0024] Example 2, refer to Figure 5 A grading and screening device for copper powder processing further includes a dust collection mechanism 7. The dust collection mechanism 7 includes a mounting box 701 bolted to the top outer wall of the housing 101, a dust collection box 703 slidably fitted inside the mounting box 701, a dust removal fan 706, a ventilation pipe 707 penetrating and fixed to the upper inner wall of one side of the mounting box 701, and a dust collection cover 708 fixed to the inner wall of one end of the ventilation pipe 707. A box cover 702 is bolted to the upper part of the mounting box 701, and the dust collection box 703 is bolted to the bottom outer wall of the box cover 702. An installation pipe 704 is fixed on the lower inner wall. A conveying pipe 705 is connected to the outer wall of one end of the installation pipe 704 by a clamp. One end of the conveying pipe 705 is connected to the outer wall of the air inlet of the dust collector 706 by a clamp. The dust collector 706 is bolted to the top outer wall of the box cover 702. The bottom end of the ventilation pipe 707 passes through and is fixed to the outer wall of the top plate 103. An opening is opened on the upper outer wall of one side of the dust collection box 703, so that the small copper powder particles can enter the dust collection box 703 smoothly. At the same time, it is convenient to disassemble and assemble the dust collection box 703. The bottom of the dust collection hood 708 is higher than the top of the feed hopper.

[0025] Working principle: The feed hopper conveys copper powder into the housing 101. The guide plate 102 guides the copper powder to the screening hood 2 at the top inside the housing 101. Then, the output shaft of the reduction motor 305 drives the three rotating shafts 301 to rotate. The three rotating shafts 301 drive the three spiral blades 302 to rotate. The spiral blades 302 convey the copper powder in the screening hood 2. The screening hood 2 screens the copper powder. Then, the copper powder falls into the screening hood 2 in the middle of the housing 101. The screening hood 2 screens the copper powder again. The copper powder falls into the screening hood 2 at the bottom of the housing 101, realizing multi-stage screening of copper powder. The dust removal fan 706 operates to extract the air in the installation box 701. Under the action of pressure difference, the copper powder in the upper part of the housing 101 and the copper powder above the feed hopper enter the dust collection box 703 along the ventilation pipe 707. The dust collection box 703 collects the small particles of copper powder.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A classification screening device for copper powder processing, comprising a housing (1), characterized in that, The shell (1) includes a casing (101), two material guide plates (102) bolted to the inner walls on both sides of the casing (101) respectively, and a top plate (103) bolted to the outer wall on the top of the casing (101). Three V-shaped screening covers (2) are arranged in the casing (101). A conveying mechanism (3) is arranged in the casing (101), which includes three rotating shafts (301) penetrating through the outer wall of the casing (101) and connected to the outer wall of the casing (101) by bearings respectively, three spiral blades (302) welded to the outer wall of the three rotating shafts (301) respectively, and a speed reducer motor (305) connected to one end of one of the rotating shafts (301) by a shaft coupling. A dust collecting mechanism (7) is arranged on the top of the casing (101), which includes a mounting box (701) bolted to the outer wall on the top of the casing (101), a dust collecting box (703) slidingly sleeved in the mounting box (701), a dust removal fan (706), a ventilation pipe (707) penetrating through and fixed to the inner wall on one side of the mounting box (701), and a dust collecting cover (708) fixed to the inner wall on one end of the ventilation pipe (707).

2. A classification screening apparatus for copper powder processing as claimed in claim 1, wherein, An installation opening is formed in the outer wall of the top plate (103), and a feed hopper is fixed in the installation opening.

3. A classification screening apparatus for copper powder processing as claimed in claim 1, wherein, The three screening covers (2) are bolted to the inner walls on both sides of the casing (101) respectively, and the hole diameters of the three screening covers (2) decrease successively from top to bottom.

4. A classification screening apparatus for copper powder processing as claimed in claim 1, wherein, A driving gear (303) is connected to the outer wall of one end of each of the three rotating shafts (301) by a pin shaft, a mounting cover (304) is bolted to the outer wall on one side of the casing (101), the speed reducer motor (305) is bolted to the outer wall on one side of the mounting cover (304), two transmission shafts (306) are connected to the outer wall on one side of the casing (101) by bearings, one end of each of the two transmission shafts (306) penetrates through the outer wall of the mounting cover (304) and is connected to the outer wall of the mounting cover (304) by a bearing, a transmission gear (307) is connected to one end of each of the two transmission shafts (306) by a pin shaft, and the two transmission gears (307) are engaged with the three driving gears (303) respectively to form a transmission cooperation.

5. A classification screening apparatus for copper powder processing as claimed in claim 1, wherein, A first discharge pipe (4), a second discharge pipe (5), and a third discharge pipe (6) are bolted to the outer wall on one side of the casing (101) respectively, and the lengths of the first discharge pipe (4), the second discharge pipe (5), and the third discharge pipe (6) decrease successively.

6. A classification screening apparatus for copper powder processing as claimed in claim 1, wherein, A cover (702) is bolted to the upper part of the mounting box (701), the dust collecting box (703) is bolted to the outer wall on the bottom of the cover (702), a mounting pipe (704) is fixed to the inner wall on the lower part of one side of the mounting box (701), a conveying pipe (705) is connected to the outer wall on one end of the mounting pipe (704) by a clamp, one end of the conveying pipe (705) is connected to the outer wall on the air inlet end of the dust removal fan (706) by a clamp, the dust removal fan (706) is bolted to the outer wall on the top of the cover (702), and the bottom end of the ventilation pipe (707) penetrates through and is fixed to the outer wall of the top plate (103).

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