Copper powder screening and filtering device

Abstract

The utility model discloses a copper powder screening and filtering device, and relates to the field of metal powder screening and filtering devices, the copper powder screening and filtering device comprises a base, a plurality of damping springs are fixedly mounted at the upper end of the base at equal intervals, and the top ends of the damping springs are fixedly connected with a mounting seat; and a vibration motor is mounted in the middle of the damping springs at the bottom of the mounting seat. The plug-in assemblies are arranged at the upper ends and the lower ends of the screen boxes, and part structures such as connecting columns, telescopic grooves, pressing blocks, telescopic springs, pin columns, through grooves, connecting grooves and annular clamping grooves in the butt-joint assemblies are matched for operation, so that during disassembly and assembly, only every two screen boxes need to be pressed and matched in a plug-in mode, and then a dustproof cover is fixedly installed at the top end; and during disassembly, fixed connection of the dustproof cover is removed, disassembly can be completed by removing insertion matching of the two screen boxes after the dustproof cover is taken down, and therefore disassembly is more convenient, the disassembly and assembly time is saved, and the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of metal powder screening and filtering devices, in particular to a copper powder screening and filtering device. Background Art

[0002] The three-way catalyst is an important catalyst widely used in the chemical industry. Its manufacturing process has an important influence on the performance and stability of the catalyst. The manufacturing process of the three-way catalyst includes raw material preparation, catalyst formulation, catalyst molding and catalyst activation. The first step in manufacturing the three-way catalyst is to prepare the required raw materials. Normally, the main components of the three-way catalyst include carrier materials, active components and stabilizers. The carrier materials can be selected from alumina, silica gel, etc., the active components can be selected from transition metals or precious metals, and the stabilizers are used to improve the stability of the catalyst. These raw materials need to be crushed, screened and other processes to ensure their particle size and uniformity.

[0003] The raw copper powder used in the production of ternary copper powder catalyst is usually screened by a ternary screening machine. The screen box of the existing ternary screening machine is fixedly connected by a sealing ring and a fixed ring with bolts. When replacing the screen, the three screen boxes need to be disassembled separately and then the internal screen is replaced. During disassembly and installation, the fixed ring needs to be aligned and tightened with bolts each time, which is inconvenient. Based on this, a copper powder screening and filtering device is provided. Utility Model Content

[0004] The utility model aims to provide a copper powder screening and filtering device to solve the problem that the existing ternary screening machine is inconvenient to operate during disassembly and installation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a copper powder screening and filtering device, comprising a base, a plurality of shock-absorbing springs are fixedly installed at an equal distance on the upper end of the base, the top ends of the plurality of shock-absorbing springs are fixedly connected with a mounting seat, the bottom of the mounting seat is located in the middle of the plurality of shock-absorbing springs and a vibration motor is installed, a screen box for screening processing is fixedly installed on the upper end of the mounting seat, a plurality of the screen boxes are arranged at the upper end of the mounting seat, and the upper and lower ends of the screen box are respectively formed with plug-in components and docking components, and the plug-in components and docking components are used for mutual plugging of a plurality of screen boxes;

[0006] The docking assembly comprises a lower ring seat, the bottom of which is provided with a connection groove, and the plug-in assembly comprises an upper ring seat, the interior of which is provided with a telescopic groove, and the interior of the telescopic groove is provided with a connection column extending to the top of the inner wall of the connection groove;

[0007] The inner wall of the connecting groove is provided with an annular groove, and a plurality of pins are provided in an annular manner on the inner side of the top of the upper ring seat, and the pins are inserted into the annular groove inside the other set of docking components to realize the connection and fixation of the two screen boxes;

[0008] A telescopic spring is also arranged at the inner bottom end of the telescopic slot, and a pressure block is arranged at the top end of the telescopic spring, and the pressure block is fixed to the outer side of the connecting column.

[0009] As a further solution of the utility model: the connecting grooves, annular slots, connecting columns, telescopic slots, pressure blocks, and telescopic spring structures are respectively arranged in multiple groups at equal distances on the inner circumferences of the lower ring seat and the upper ring seat.

[0010] As a further solution of the utility model: the connecting groove is a conical groove structure, the top end of the connecting column is formed with a protrusion that matches the connecting groove, and the pin column is slidably connected to the inside of the protrusion.

[0011] As a further solution of the utility model: a through groove is opened inside the protrusion at the upper end of the connecting column, the diameter of the through groove matches the diameter of the column body at the lower end of the connecting column, one end of a plurality of pins protrudes into the through groove, and both ends of the pins are arranged with arc surface structures.

[0012] As a further solution of the utility model: the distance from the top of the upper end projection of the connecting column to the top of the upper ring seat is slightly greater than the depth of the connecting groove, and matches the sum of the distances from the lower end of the connecting column to the bottom end of another group of connecting grooves.

[0013] As a further solution of the utility model: the diameter of the telescopic spring is larger than the diameter of the column at the lower end of the connecting column and smaller than the diameter of the pressing block.

[0014] As a further solution of the utility model: a dust cover is installed on the top of the uppermost screen box, and the side of the dust cover is penetrated by bolts and fixed by squeezing and tightening with the lower surface of the upper ring seat, and the bottom of the dust cover is provided with a connecting groove for inserting the top protrusion of the connecting column, and the inside of the connecting groove does not have an annular groove, and the outer side of the screen box is provided with a drop outlet for screening and discharging materials, and the drop outlets of multiple screen boxes are installed in a staggered connection with each other when they are connected to each other.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By arranging plug-in components at the upper and lower ends of the screen box, and cooperating with the connecting columns, telescopic grooves, pressure blocks, telescopic springs, pin columns, through grooves, connecting grooves, annular grooves and other parts and structures in the docking components, when disassembling and installing, it is only necessary to press the two screen boxes against each other for plug-in cooperation, and then fix the dust cover on the top. When disassembling, release the fixed connection of the dust cover, remove the dust cover and release the plug-in cooperation of the two screen boxes to complete the disassembly. This is more convenient, saves disassembly and installation time, and improves screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a partially cutaway enlarged structural schematic diagram of the connection between the plug-in assembly and the docking assembly of two screen boxes of the utility model;

[0019] Figure 3 It is a partially cutaway enlarged structural schematic diagram of the plug-in assembly of the utility model;

[0020] Figure 4 It is a partially cutaway and enlarged structural schematic diagram of the docking assembly of the utility model;

[0021] Figure 5 It is a partially cutaway enlarged structural schematic diagram of the dust cover of the utility model.

[0022] In the figure: 1. base; 2. vibration motor; 3. shock-absorbing spring; 4. mounting seat; 5. screen box; 6. blanking outlet; 7. plug-in assembly; 701. upper ring seat; 702. connecting column; 703. telescopic slot; 704. pressing block; 705. telescopic spring; 706. pin column; 707. through slot; 8. docking assembly; 801. lower ring seat; 802. connecting slot; 803. annular slot; 9. dust cover. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 to Figure 5In the embodiment of the utility model, a copper powder screening and filtering device comprises a base 1, a plurality of shock-absorbing springs 3 are fixedly installed at an equal distance on the upper end of the base 1, a mounting seat 4 is fixedly connected to the top of the plurality of shock-absorbing springs 3, a vibration motor 2 is installed at the bottom of the mounting seat 4 in the middle of the plurality of shock-absorbing springs 3, a screen box 5 for screening processing is fixedly installed on the upper end of the mounting seat 4, a plurality of screen boxes 5 are arranged on the upper end of the mounting seat 4, and a plug-in assembly 7 and a docking assembly 8 are respectively formed at the upper and lower ends of the screen box 5, and the plug-in assembly 7 and the docking assembly 8 are used for mutual plugging of the plurality of screen boxes 5;

[0025] The docking assembly 8 comprises a lower ring seat 801, the bottom of which is provided with a connection groove 802, and the plug-in assembly 7 comprises an upper ring seat 701, the interior of which is provided with a telescopic groove 703, and the interior of the telescopic groove 703 is provided with a connection column 702 extending to the top of the inner wall of the connection groove 802;

[0026] An annular groove 803 is provided on the inner wall of the connecting groove 802, and a plurality of pins 706 are provided in an annular manner on the inner side of the top of the upper ring seat 701. The pins 706 are inserted into the annular groove 803 inside another set of docking components 8 to realize the connection and fixation of the two screen boxes 5;

[0027] A telescopic spring 705 is also provided at the inner bottom end of the telescopic slot 703 , and a pressing block 704 is provided at the top end of the telescopic spring 705 . The pressing block 704 is fixed to the outer side of the connecting column 702 .

[0028] In this embodiment, during installation, the screen boxes 5 with the screen installed are installed in pairs, and the installation steps are as follows: the lower end of one screen box 5 is pressed and plugged into the upper end of another screen box 5. During the pressing process, the connecting column 702 in the plug-in assembly 7 is squeezed and moved down by the connecting groove 802 in the docking assembly 8 to complete the plug-in fit. After that, when each screen box 5 is installed, the lower end of the connecting column 702 in the previous screen box 5 moves down to the top of the connecting column 702 below it. During this process, the lower end of the connecting column 702 squeezes the pin 706, and the pin 706 moves under pressure Part of it enters the internal annular groove 803 of 802 for limited connection, and multiple screen boxes 5 are installed repeatedly in this way. Finally, the protective cover 9 is fixedly installed on the upper end of the topmost screen box 5. While preventing dust, the connecting columns 702 in the multiple screen boxes 5 below are limited to prevent the connecting columns 702 from resetting under the restoring force of the telescopic spring 705, which makes them loose and slip during the vibration process. When disassembling, you only need to release the fixed installation of the protective cover 9 and apply force to pull apart the two screen boxes 5 that are plugged into each other. This is more convenient, saves disassembly and installation time, and improves screening efficiency.

[0029] Please refer to Figure 2 , Figure 3 , Figure 4The connecting groove 802 , the annular slot 803 , the connecting column 702 , the telescopic slot 703 , the pressure block 704 , and the telescopic spring 705 structures are respectively arranged in multiple groups at equal intervals on the inner circumference of the lower ring seat 801 and the upper ring seat 701 .

[0030] In this embodiment: through this structural setting, multiple groups can make the structure more stable, ensure the stable connection of the two screen boxes 5, and prevent slippage during vibration.

[0031] Please refer to Figure 2 The connecting groove 802 is a conical groove structure, and a protrusion matching with the connecting groove 802 is formed on the top of the connecting column 702, and the pin 706 is slidably connected inside the protrusion.

[0032] In this embodiment: through this structural setting, when the two screen boxes 5 are connected, they can be better matched, and the arc surface setting can better contact and squeeze, so that the pin 706 moves to match and limit.

[0033] Please refer to Figure 2 A through slot 707 is provided inside the upper end protrusion of the connecting column 702, and the diameter of the through slot 707 matches the diameter of the column body at the lower end of the connecting column 702. One end of a plurality of pins 706 protrudes into the through slot 707, and both ends of the pins 706 are arranged with arc surface structures.

[0034] In this embodiment: through this structural setting, each time a screen box 5 is installed, the lower end of the connecting column 702 in the previous screen box 5 moves down to the top of the connecting column 702 below it, and the lower end of the connecting column 702 squeezes the pin 706, and the compressed moving part of the pin 706 enters the internal annular groove 803 of 802 for limited connection to prevent slippage during vibration.

[0035] Please refer to Figure 2 , Figure 3 The distance from the top of the upper protrusion of the connecting column 702 to the top of the upper ring seat 701 is slightly greater than the depth of the connecting groove 802, and matches the sum of the distances from the lower end of the connecting column 702 to the bottom of another group of connecting grooves 802.

[0036] In this embodiment: through this structural setting, each time a screen box 5 is installed, the lower end of the connecting column 702 in the previous screen box 5 moves down to the top of the connecting column 702 below it, and the lower end of the connecting column 702 squeezes the pin 706. The compressed moving part of the pin 706 enters the annular seat 803 inside the connecting groove 802 for limited connection to prevent slippage during vibration.

[0037] Please refer to Figure 2 The diameter of the telescopic spring 705 is larger than the diameter of the lower end of the connecting column 702 and smaller than the diameter of the pressing block 704 .

[0038] In this embodiment: through this structural setting, the telescopic spring 705 is compressed when the connecting column 702 moves downward. When disassembling, the telescopic spring 705 provides a reset force, so that the connecting column 702 is reset to release the limit of the pin column 706, which is convenient for subsequent disassembly.

[0039] Please refer to Figure 1 A dust cover 9 is installed on the top of the uppermost screen box 5. The side of the dust cover 9 is penetrated by bolts and is fixed by being squeezed and tightened with the lower surface of the upper ring seat 701. A connecting groove 802 is provided at the bottom of the dust cover 9 for inserting the top protrusion of the connecting column 702. No annular groove 803 is provided inside the connecting groove 802. A blanking outlet 6 for screening and discharging is provided on the outside of the screen box 5. When multiple screen boxes 5 are connected to each other, the blanking outlets 6 are installed in a staggered manner.

[0040] In this embodiment: through this structural setting, the dust cover 9 is fixedly installed to prevent dust while limiting the connecting columns 702 in the multiple screen boxes 5 below, preventing the connecting columns 702 from resetting under the restoring force of the telescopic spring 705, so that they loosen and slip during vibration, avoiding mutual interference in the material receiving process when the material is dropped at the drop outlet 6.

[0041] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A copper powder screening and filtering device, comprising a base (1), a plurality of damping springs (3) being fixedly mounted at equal intervals on the upper end of the base (1), a mounting seat (4) being fixedly connected to the top ends of the plurality of damping springs (3), a vibration motor (2) being mounted on the bottom of the mounting seat (4) located in the middle of the plurality of damping springs (3), characterized in that: A screen box (5) for performing screening processing is fixedly mounted on the upper end of the mounting seat (4); a plurality of the screen boxes (5) are arranged on the upper end of the mounting seat (4); a plug-in assembly (7) and a docking assembly (8) are respectively formed on the upper and lower ends of the screen box (5); the plug-in assembly (7) and the docking assembly (8) are used for mutually plugging a plurality of screen boxes (5); The docking assembly (8) comprises a lower ring seat (801), the bottom of which is provided with a connection groove (802); the plug-in assembly (7) comprises an upper ring seat (701), the interior of which is provided with a telescopic groove (703), and the interior of the telescopic groove (703) is provided with a connection column (702) extending to the top of the inner wall of the connection groove (802); An annular groove (803) is provided on the inner wall of the connecting groove (802); a plurality of pins (706) are provided in an annular shape on the inner side of the top of the upper ring seat (701); the pins (706) are inserted into the annular groove (803) inside another set of docking components (8) to achieve connection and fixation of the two screen boxes (5); A telescopic spring (705) is also provided at the inner bottom end of the telescopic groove (703), and a pressing block (704) is provided at the top end of the telescopic spring (705), and the pressing block (704) is fixed to the outside of the connecting column (702).

2. A copper powder screening and filtering device according to claim 1, characterized in that: The connecting groove (802), the annular clamping groove (803), the connecting column (702), the telescopic groove (703), the pressing block (704), and the telescopic spring (705) structures are respectively arranged in multiple groups at equal distances on the inner circumference of the lower ring seat (801) and the upper ring seat (701).

3. A copper powder screening and filtering device according to claim 1, characterized in that: The connection groove (802) is provided with a conical groove structure, a protrusion matching the connection groove (802) is formed on the top of the connection column (702), and the pin column (706) is slidably connected inside the protrusion.

4. A copper powder screening and filtering device according to claim 3, characterized in that: A through slot (707) is provided inside the protrusion at the upper end of the connecting column (702), the diameter of the through slot (707) matches the diameter of the column body at the lower end of the connecting column (702), one end of a plurality of pins (706) protrudes into the through slot (707), and both ends of the pins (706) are arranged with arc surface structures.

5. The copper powder screening and filtering device according to claim 3, characterized in that: The distance from the top of the upper end protrusion of the connection column (702) to the top of the upper ring seat (701) is greater than the depth of the connection groove (802), and matches the sum of the distances from the lower end of the connection column (702) to the bottom end of another group of connection grooves (802).

6. The copper powder screening and filtering device according to claim 1, characterized in that: The diameter of the telescopic spring (705) is larger than the diameter of the lower end of the connecting column (702) and smaller than the diameter of the pressing block (704).

7. The copper powder screening and filtering device according to claim 1, characterized in that: A dust cover (9) is installed on the top of the uppermost screen box (5), and the side of the dust cover (9) is penetrated by bolts and is fixed to the lower surface of the upper ring seat (701) by being squeezed and tightened, and the bottom of the dust cover (9) is provided with a connecting groove (802) for the top protrusion of the connecting column (702) to be inserted, and the inside of the connecting groove (802) does not have an annular groove (803), and the outer side of the screen box (5) is provided with a blanking outlet (6) for screening and discharging materials, and when multiple screen boxes (5) are connected to each other, the blanking outlets (6) are installed in a staggered connection with each other.

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