Metal powder screening device

Abstract

The utility model discloses a metal powder screening device which comprises a base, a bottom shell is installed on the base through a spring seat, a middle shell is installed above the bottom shell, a top shell is installed on the top of the middle shell, and the bottom of the bottom shell is concaved inwards to form a mounting cavity. A cylindrical screening barrel is formed among the bottom shell, the middle shell and the top shell, and a vibration motor for driving the whole screening barrel to vibrate is fixed in the mounting cavity; the bottom shell and the middle shell are connected through a dismounting mechanism, and the middle shell and the top shell are connected through a dismounting mechanism. According to the utility model, each module can be conveniently disassembled and assembled, so that the internal screen can be conveniently overhauled, and the material dispersing mechanism is arranged at the inner port of the feeding pipe, so that materials are dispersed, the accumulation of the materials is avoided, and the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to powder screening, in particular to a metal powder screening device. Background Art

[0002] Powder metallurgy refers to an industrial technology that uses various metal powders as raw materials to produce metal materials, composite materials and various types of products through forming and sintering.

[0003] Since the metal powders are of different sizes, they need to be screened to ensure product quality. A screening device is needed to screen the metal powders. However, the screens in the existing screening devices are all built into the screening devices, which causes a lot of inconvenience when inspecting and repairing the screens. Utility Model Content

[0004] In order to solve the defect in the prior art that the screens in the existing screening devices are all arranged inside the screening devices, which causes many inconveniences when the screens are inspected and repaired, the utility model provides a metal powder screening device.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a metal powder screening device, comprising a base, a bottom shell is installed on the base via a spring seat, an intermediate shell is installed above the bottom shell, a top shell is installed on the top of the intermediate shell, and the bottom of the bottom shell is recessed inward to form a mounting cavity, a cylindrical screening cylinder is formed between the bottom shell, the intermediate shell and the top shell, and a vibration motor is fixed in the mounting cavity to drive the entire screening cylinder to vibrate;

[0007] The bottom shell and the middle shell, and the middle shell and the top shell are connected via a disassembly mechanism; the top shell, the bottom shell and the bottom shell are all provided with inclined screens, and the apertures of the screens decrease from top to bottom;

[0008] The top shell, the bottom shell and the bottom shell are all provided with a discharge pipe connected to the lowest point of the screen;

[0009] A feeding pipe is arranged at the top of the top shell; and a discharging pipe is arranged at the bottom of the bottom shell.

[0010] As a preferred technical solution of the utility model, the disassembly mechanism includes a first positioning ring block arranged at the ports at both ends of the intermediate shell, and the ports of the bottom shell and the top shell are provided with a second positioning ring block docked with the first positioning ring block, the first positioning ring block is provided with a plurality of through holes, and the second positioning ring block is provided with a threaded column inserted into the through hole, and a locking block is installed at the end of the threaded column.

[0011] As a preferred technical solution of the utility model, a rubber sealing ring is provided between the first positioning ring block and the second positioning ring block.

[0012] As a preferred technical solution of the utility model, a bulk material mechanism is provided at the inner port of the feed pipe.

[0013] As a preferred technical solution of the utility model, the bulk material mechanism includes a connecting pipe connected to the inner port of the feed pipe, the outer end of the connecting pipe is a closed end, and a lateral opening is provided on the circumference of the connecting pipe.

[0014] As a preferred technical solution of the present invention, the screen is made of stainless steel.

[0015] As a preferred technical solution of the utility model, the discharge pipe is arranged inclined.

[0016] The beneficial effects of the utility model are:

[0017] 1. In this metal powder screening device, a cylindrical screening cylinder is formed between the bottom shell, the middle shell and the top shell, and the bottom shell and the middle shell, as well as the middle shell and the top shell are connected via a disassembly mechanism, which facilitates the disassembly and assembly of each module, thereby facilitating the inspection and maintenance of the internal screen, and a bulking mechanism is provided at the inner port of the feed pipe, which scatters the material and avoids the accumulation of the material, thereby improving the screening efficiency.

[0018] 2. The disassembly mechanism in this metal powder screening device includes a first positioning ring block arranged at the ports at both ends of the intermediate shell, and the ports of the bottom shell and the top shell are provided with a second positioning ring block docked with the first positioning ring block, the first positioning ring block is provided with a plurality of through holes, and the second positioning ring block is provided with a threaded column inserted into the through hole, and a locking block is installed at the end of the threaded column, which is convenient for docking and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a structural schematic diagram of a metal powder screening device of the utility model;

[0021] Figure 2 It is a structural schematic diagram of a bulk material mechanism of a metal powder screening device of the utility model;

[0022] Figure 3 The utility model is a structural schematic diagram of a disassembly mechanism of a metal powder screening device.

[0023] In the figure: 1. base; 2. spring seat; 3. bottom shell; 4. intermediate shell; 5. top shell; 6. installation cavity; 7. vibration motor; 8. screen; 9. first positioning ring block; 10. second positioning ring block; 11. through hole; 12. threaded column; 13. locking block; 14. feed pipe; 15. rubber sealing ring; 16. bulk material mechanism; 17. connecting pipe; 18. side port; 19. discharge pipe. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] Example: Figure 1 , Figure 2 , Figure 3 As shown, the utility model is a metal powder screening device, comprising a base 1, a bottom shell 3 is installed on the base 1 via a spring seat 2, an intermediate shell 4 is installed above the bottom shell 3, a top shell 5 is installed on the top of the intermediate shell 4, and the bottom of the bottom shell 3 is recessed inward to form a mounting cavity 6, a cylindrical screening cylinder is formed between the bottom shell 3, the intermediate shell 4 and the top shell 5, and a vibration motor 7 is fixed in the mounting cavity 6 to drive the entire screening cylinder to vibrate;

[0026] The bottom shell 3 and the middle shell 4, as well as the middle shell 4 and the top shell 5, are connected via a disassembly mechanism; in the utility model, a cylindrical screening cylinder is formed between the bottom shell 3, the middle shell 4 and the top shell 5, and the bottom shell 3 and the middle shell 4, as well as the middle shell 4 and the top shell 5, are connected via a disassembly mechanism, which facilitates the disassembly and assembly of each module, thereby facilitating the inspection and maintenance of the internal screen 8, and a bulking mechanism 16 is provided at the inner port of the feed pipe 14, which scatters the material and avoids the accumulation of the material, thereby improving the screening efficiency.

[0027] The top shell 5, the bottom shell 3 and the inside of the bottom shell 3 are all provided with an inclined screen 8, and the mesh aperture of the screen 8 decreases from top to bottom; thus, multi-stage screening is performed, thereby having a better screening effect.

[0028] The top shell 5, the bottom shell 3 and the bottom shell 3 are all provided with a discharge pipe 20 connected to the lowest point of the screen 8; this facilitates discharge.

[0029] A feed pipe 14 is disposed at the top of the top shell 5 ; a discharge pipe 19 is disposed at the bottom of the bottom shell.

[0030] The disassembly mechanism includes a first positioning ring block 9 provided at the ports at both ends of the intermediate housing 4, and the ports of the bottom shell 3 and the top shell 5 are provided with a second positioning ring block 10 docking with the first positioning ring block 9, the first positioning ring block 9 is provided with a plurality of through holes 11, and the second positioning ring block 10 is provided with a threaded column 12 inserted into the through holes 11, and a locking block 13 is installed at the end of the threaded column 12. This facilitates docking and replacement.

[0031] A rubber sealing ring 15 is provided between the first positioning ring block 9 and the second positioning ring block 10 to ensure good sealing performance at the joint.

[0032] Wherein, a bulking mechanism 16 is provided at the inner end of the feed pipe 14 .

[0033] The dispersing mechanism 16 comprises a connecting tube 17 connected to the inner port of the feed tube 14, the outer end of the connecting tube 17 is a closed end, and a side opening 18 is provided on the peripheral side of the connecting tube 17, so that the powder material is dispersed to the surroundings, thus ensuring that.

[0034] The screen 8 is made of stainless steel, which is wear-resistant and has a long service life.

[0035] The discharge pipe 20 is arranged to be inclined, so as to facilitate the discharge of materials.

[0036] When working, this metal powder screening device forms a cylindrical screening cylinder between the bottom shell 3, the middle shell 4 and the top shell 5, and the bottom shell 3 and the middle shell 4, as well as the middle shell 4 and the top shell 5 are connected via a disassembly mechanism, which facilitates the disassembly and assembly of each module, thereby facilitating the inspection and maintenance of the internal screen 8, and a bulking mechanism 16 is provided at the inner port of the feed pipe 14, which breaks up the material and avoids the accumulation of the material, thereby improving the screening efficiency.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A metal powder screening device, characterized in that: The invention comprises a base (1), a bottom shell (3) is installed on the base (1) via a spring seat (2), an intermediate shell (4) is installed above the bottom shell (3), a top shell (5) is installed on the top of the intermediate shell (4), and the bottom of the bottom shell (3) is recessed inward to form a mounting cavity (6), a cylindrical screening cylinder is formed between the bottom shell (3), the intermediate shell (4) and the top shell (5), and a vibration motor (7) is fixed in the mounting cavity (6) for driving the entire screening cylinder to vibrate; The bottom shell (3) and the middle shell (4), and the middle shell (4) and the top shell (5) are connected via a disassembly mechanism; the top shell (5), the bottom shell (3) and the bottom shell (3) are all provided with an inclined screen (8), and the mesh diameter of the screen (8) decreases from top to bottom; The top shell (5), the bottom shell (3) and the bottom shell (3) are all provided with a discharge pipe (20) connected to the lowest point of the screen (8); A feed pipe (14) is provided at the top of the top shell (5); and a discharge pipe (19) is provided at the bottom of the bottom shell.

2. A metal powder screening device according to claim 1, characterized in that: The disassembly mechanism comprises a first positioning ring block (9) arranged at the ports at both ends of the intermediate shell (4), and the ports of the bottom shell (3) and the top shell (5) are provided with a second positioning ring block (10) docked with the first positioning ring block (9), the first positioning ring block (9) is provided with a plurality of through holes (11), and the second positioning ring block (10) is provided with a threaded column (12) inserted into the through holes (11), and a locking block (13) is installed at the end of the threaded column (12).

3. A metal powder screening device according to claim 2, characterized in that: A rubber sealing ring (15) is provided between the first positioning ring block (9) and the second positioning ring block (10).

4. A metal powder screening device according to claim 1, characterized in that: A bulking mechanism (16) is provided at the inner end of the feed pipe (14).

5. A metal powder screening device according to claim 4, characterized in that: The bulking mechanism (16) comprises a connecting pipe (17) connected to the inner port of the feeding pipe (14), the outer end of the connecting pipe (17) is a closed end, and a lateral opening (18) is provided on the circumference of the connecting pipe (17).

6. A metal powder screening device according to claim 1, characterized in that: The screen (8) is made of stainless steel.

7. The metal powder screening device according to claim 1, characterized in that: The discharge pipe (20) is arranged in an inclined manner.

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