Tea powder screening device

Abstract

The utility model relates to a tea powder screening device with a dust collecting mechanism, in particular to a tea powder screening device which comprises a powder screening box, an installation box is installed on the upper surface of the powder screening box, a powder screening barrel is installed in a bearing installed on the right side face of the inner wall of the powder screening box, and the left side face of the powder screening barrel is communicated with one end of a connecting pipe. A servo motor b drives a gear b and a gear a to rotate, the gear a rotates to drive a connecting pipe and a powder screening barrel to rotate, a fan blows tea leaves, the tea leaves are blown, and powder contained in the tea leaves is discharged downwards through filter holes of the powder screening barrel. The pneumatic diaphragm pump extracts powder and dust-containing air falling in the powder screening box through the material pumping pipe, the flow dividing pipe and the air pumping pipe, the powder and the dust-containing air are discharged through the material discharging pipe, the dust-containing air is prevented from polluting the working environment, and the problems that according to an existing device, powder is prone to escaping along with air, flying dust is large, the working environment is prone to being polluted, and breathing health of production workers is affected are solved.

Description

Technical Field

[0001] The utility model relates to a tea powder screening device, in particular to a tea powder screening device with a dust collecting mechanism. Background Art

[0002] During the tea refining process, the tea leaves need to be screened to remove the dust in the tea leaves and improve the quality of the tea leaves. At present, the tea leaves are mostly screened by wind separators. The basic principle of this is to use the different gravity between the debris, dust and intact particles in the tea leaves and the force of the particles on the wind to achieve the distance that the debris, dust and intact particles are blown away by the wind, so as to separate the dust and debris and ensure the quality of the tea leaves.

[0003] When tea leaves are sifted to powder, the powder is easily dissipated with the air, causing a lot of dust, which can easily pollute the working environment and affect the respiratory health of production workers. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a tea powder screening device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tea powder screening device comprises a powder screening box, an installation box is installed on the upper surface of the powder screening box, a powder screening cylinder is installed in a bearing installed on the right side of the inner wall of the powder screening box, the left side of the powder screening cylinder is connected with one end of a connecting pipe, the other end of the connecting pipe passes through the bearing clamped on the left side of the inner wall of the powder screening box and is connected with one end of a feeding pipe through a rotating joint, the other end of the feeding pipe is connected with the lower surface of a feeding hopper, and the feeding hopper is connected with the left side of the powder screening box, a rotating assembly is provided on the outer surface of the connecting pipe, the front and back sides of the inner wall of the powder screening cylinder are respectively slidably connected with the front and back sides of a mounting plate, a discharging assembly is provided on the right side of the mounting plate, two moving grooves are symmetrically provided on the upper and lower surfaces of the inner wall of the powder screening cylinder, a blocking assembly is provided inside the moving groove, a dust collecting box is installed on the lower surface of the inner wall of the powder screening box, and a dust collecting assembly is provided inside the dust collecting box.

[0006] Preferably, a plurality of fans are symmetrically installed inside the installation box, and the inner wall of the installation box is detachably connected to the outer surface of the filter.

[0007] Preferably, the rotating assembly includes a gear a installed on the outer surface of the connecting tube, the outer surface of the gear a meshes with the outer surface of the gear b, the left side of the gear b is fixedly connected to the output shaft of the servo motor b, and the servo motor b is installed on the left side of the powder screening box.

[0008] Preferably, the blocking assembly comprises a cylinder installed on the left side of the inner wall of the movable groove, the telescopic end of the cylinder is fixedly connected to the left side of the fixed block, and the right side of the fixed block is fixedly connected to the left side of the blocking plate.

[0009] Preferably, the discharging assembly includes a servo motor a installed on the right side of the mounting plate, and the output shaft of the servo motor a passes through a bearing clamped on the right side of the mounting plate and is fixedly connected to the right end of the spiral auger.

[0010] Preferably, the dust collecting assembly includes a diverter pipe installed on the lower surface of the inner wall of the dust collecting box, and a plurality of exhaust pipes are symmetrically installed on the upper surface of the diverter pipe. The left end of the diverter pipe is connected to one end of the extraction pipe, and the other end of the extraction pipe is connected to the extraction end of the pneumatic diaphragm pump. The pneumatic diaphragm pump is installed on the left side of the powder screening box, and the discharge end of the pneumatic diaphragm pump is connected to one end of the discharge pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model drives gear b and gear a to rotate through servo motor b, and the rotation of gear a drives the connecting pipe and the powder screening cylinder to rotate, and the fan blows on the tea leaves, so that the powder contained in the tea leaves is discharged downward through the filter holes of the powder screening cylinder, and the pneumatic diaphragm pump extracts the powder and dusty air dropped in the powder screening box through the extraction pipe, the diversion pipe and the air extraction pipe, and discharges them through the discharge pipe, so as to avoid the dusty air from polluting the working environment, and solves the problem that the powder of the existing device is easy to escape with the air, the dust is large, the working environment is easy to be polluted, and the respiratory health of the production workers is affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 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:

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the blocking component and the rotating component in the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the dust removal component in the utility model;

[0017] In the figure: 1. powder screening box; 2. installation box; 3. fan; 4. filter screen; 5. connecting pipe; 6. powder screening cylinder; 7. moving trough;

[0018] Blocking assembly: 81, cylinder; 82, fixing block; 83, blocking plate; 9, mounting plate;

[0019] Discharging components: 101, servo motor a; 102, spiral auger; 11, dust collection box;

[0020] Dust removal components: 121, diverter pipe; 122, air extraction pipe; 123, material extraction pipe; 124, pneumatic diaphragm pump; 125, discharge pipe;

[0021] Rotating assembly: 131, servo motor b; 132, gear a; 133, gear b; 14, feed pipe; 15, feed hopper. DETAILED DESCRIPTION

[0022] 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.

[0023] Example

[0024] See also Figure 1-3 The utility model provides the following technical solutions: a tea powder screening device, comprising a powder screening box 1, an installation box 2 is installed on the upper surface of the powder screening box 1, a powder screening cylinder 6 is installed in a bearing installed on the right side of the inner wall of the powder screening box 1, the left side of the powder screening cylinder 6 is connected with one end of a connecting pipe 5, the other end of the connecting pipe 5 passes through the bearing clamped on the left side of the inner wall of the powder screening box 1 and is connected with one end of a feeding pipe 14 through a rotating joint, and the other end of the feeding pipe 14 is connected with the lower surface of a feeding hopper 15, The feed hopper 15 is connected to the left side of the powder screening box 1, the outer surface of the connecting pipe 5 is provided with a rotating assembly, the front and back sides of the inner wall of the powder screening cylinder 6 are slidingly connected with the front and back sides of the mounting plate 9 respectively, and the right side of the mounting plate 9 is provided with a discharging assembly, the upper and lower surfaces of the inner wall of the powder screening cylinder 6 are symmetrically provided with two movable grooves 7, and a sealing assembly is provided inside the movable groove 7, and a dust collecting box 11 is installed on the lower surface of the inner wall of the powder screening box 1, and a dust collecting assembly is provided inside the dust collecting box 11.

[0025] Specifically, a plurality of fans 3 are symmetrically installed inside the installation box 2, and the inner wall of the installation box 2 is detachably connected to the outer surface of the filter screen 4;

[0026] The tea leaves are blown by the fan 3 to move the tea leaves, so that the powder contained in the tea leaves is discharged downwards and discharged downwards through the filter holes of the powder sifting cylinder 6.

[0027] Specifically, the rotating assembly includes a gear a132 installed on the outer surface of the connecting pipe 5, the outer surface of the gear a132 is meshed with the outer surface of the gear b133, the left side of the gear b133 is fixedly connected to the output shaft of the servo motor b131, and the servo motor b131 is installed on the left side of the powder screening box 1;

[0028] The servo motor b131 drives the gear b133 and the gear a132 to rotate, and the rotation of the gear a132 drives the connecting pipe 5 and the powder screening cylinder 6 to rotate, thereby avoiding powder residue.

[0029] Specifically, the blocking assembly includes a cylinder 81 installed on the left side of the inner wall of the movable groove 7, the telescopic end of the cylinder 81 is fixedly connected to the left side of the fixed block 82, and the right side of the fixed block 82 is fixedly connected to the left side of the blocking plate 83;

[0030] The air cylinder 81 drives the fixed block 82 and the blocking plate 83 to move rightward, and the blocking plate 83 moves rightward to open the powder screening cylinder 6 for discharging.

[0031] Specifically, the discharging assembly includes a servo motor a101 mounted on the right side of the mounting plate 9, and the output shaft of the servo motor a101 passes through a bearing clamped on the right side of the mounting plate 9 and is fixedly connected to the right end of the spiral auger 102;

[0032] The servo motor a101 drives the spiral auger 102 to rotate, and the tea leaves in the powder screening cylinder 6 are discharged.

[0033] Specifically, the dust collecting assembly includes a shunt pipe 121 installed on the lower surface of the inner wall of the dust collecting box 11, and a plurality of air extraction pipes 122 are symmetrically installed on the upper surface of the shunt pipe 121. The left end of the shunt pipe 121 is connected to one end of a suction pipe 123, and the other end of the suction pipe 123 is connected to the suction end of a pneumatic diaphragm pump 124. The pneumatic diaphragm pump 124 is installed on the left side of the powder screening box 1, and the discharge end of the pneumatic diaphragm pump 124 is connected to one end of a discharge pipe 125.

[0034] The pneumatic diaphragm pump 124 extracts the powder and dusty air dropped from the powder screening box 1 through the extraction pipe 123, the diversion pipe 121 and the air extraction pipe 122, and discharges the powder and dusty air through the discharge pipe 125, thus preventing the dusty air from polluting the working environment.

[0035] The working principle and use process of this utility model:

[0036] The utility model, when in use:

[0037] The tea leaves that need to be screened out of powder are stored in the feed hopper 15 and discharged into the connecting pipe 5 and the powder sieving cylinder 6 through the feed pipe 14. The servo motor b131 drives the gear b133 and the gear a132 to rotate. The rotation of the gear a132 drives the connecting pipe 5 and the powder sieving cylinder 6 to rotate. The fan 3 blows on the tea leaves, so that the powder contained in the tea leaves is discharged downward and discharged downward through the filter holes of the powder sieving cylinder 6. The pneumatic diaphragm pump 124 extracts the powder and dusty air that fall from the powder sieving box 1 through the extraction pipe 123, the diverter pipe 121 and the exhaust pipe 122, and discharges them through the discharge pipe 125, thus preventing the dusty air from polluting the working environment. The cylinder 81 drives the fixed block 82 and the sealing plate 83 to move to the right. The sealing plate 83 moves to the right to open the powder sieving cylinder 6 for discharging. The servo motor a101 drives the spiral auger 102 to rotate to discharge the tea leaves in the powder sieving cylinder 6.

[0038] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0039] 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 tea powder screening device, comprising a powder screening box (1), characterized in that: The upper surface of the powder screening box (1) is installed with a mounting box (2), a powder screening cylinder (6) is installed in a bearing installed on the right side of the inner wall of the powder screening box (1), the left side of the powder screening cylinder (6) is connected with one end of a connecting pipe (5), the other end of the connecting pipe (5) passes through a bearing clamped on the left side of the inner wall of the powder screening box (1) and is connected with one end of a feed pipe (14) through a rotating joint, the other end of the feed pipe (14) is connected with the lower surface of a feed hopper (15), and the feed hopper (15) is connected to the left side of the powder screening box (1). The two surfaces are connected, the outer surface of the connecting pipe (5) is provided with a rotating component, the front and back sides of the inner wall of the powder screening cylinder (6) are respectively slidably connected to the front and back sides of the mounting plate (9), the right side of the mounting plate (9) is provided with a discharging component, the upper and lower surfaces of the inner wall of the powder screening cylinder (6) are symmetrically provided with two moving grooves (7), the interior of the moving groove (7) is provided with a blocking component, the lower surface of the inner wall of the powder screening box (1) is provided with a dust collecting box (11), and the interior of the dust collecting box (11) is provided with a dust collecting component.

2. A tea powder screening device according to claim 1, characterized in that: A plurality of fans (3) are symmetrically installed inside the installation box (2), and the inner wall of the installation box (2) is detachably connected to the outer surface of the filter screen (4).

3. A tea powder screening device according to claim 1, characterized in that: The rotating assembly comprises a gear a (132) mounted on the outer surface of the connecting pipe (5), the outer surface of the gear a (132) meshing with the outer surface of the gear b (133), the left side surface of the gear b (133) being fixedly connected to the output shaft of the servo motor b (131), and the servo motor b (131) being mounted on the left side surface of the powder screening box (1).

4. A tea powder screening device according to claim 1, characterized in that: The blocking assembly comprises a cylinder (81) mounted on the left side of the inner wall of the movable groove (7), the telescopic end of the cylinder (81) being fixedly connected to the left side of the fixed block (82), and the right side of the fixed block (82) being fixedly connected to the left side of the blocking plate (83).

5. The tea powder screening device according to claim 1, characterized in that: The discharging assembly comprises a servo motor a (101) mounted on the right side of the mounting plate (9), and the output shaft of the servo motor a (101) passes through a bearing clamped on the right side of the mounting plate (9) and is fixedly connected to the right end of the spiral auger (102).

6. The tea powder screening device according to claim 1, characterized in that: The dust collecting assembly comprises a shunt pipe (121) installed on the lower surface of the inner wall of the dust collecting box (11), and a plurality of exhaust pipes (122) are symmetrically installed on the upper surface of the shunt pipe (121). The left end of the shunt pipe (121) is connected to one end of an exhaust pipe (123), and the other end of the exhaust pipe (123) is connected to the exhaust end of an air-operated diaphragm pump (124). The air-operated diaphragm pump (124) is installed on the left side of the powder screening box (1), and the discharge end of the air-operated diaphragm pump (124) is connected to one end of a discharge pipe (125).

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