CN211160642U

CN211160642U - Tea screening machine

Info

Publication number: CN211160642U
Application number: CN201922154284.0U
Authority: CN
Inventors: 郑国�
Original assignee: Hubei Sanxia Shennong Biotechnology Co ltd
Current assignee: Hubei Sanxia Shennong Biotechnology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-04
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a tea screening machine belongs to tealeaves screening technical field, including frame, feeding storehouse, screening case, screen cloth and air-blower, the slope welding has two sets of screen cloth fixed plates parallel to each other between the both sides inner wall of screening case, and the bilateral symmetry of screen cloth fixed plate is provided with screen cloth fixed plate recess, there is the screen cloth clamp plate at the top of screen cloth through the bolt fastening, and the bilateral symmetry of screen cloth clamp plate is provided with screen cloth clamp plate card strip, the air outlet of air-blower is fixed with first tuber pipe through the flange, and the end connection of first tuber pipe and the second tuber pipe and the third tuber pipe that are parallel to each other, the air-out end of second tuber pipe and third tuber pipe is fixed in on the screening case outer wall of the higher one end in first screen cloth and second screen cloth fixed plane through the flange respectively. The utility model discloses a screen cloth is easily changed, can prevent that tealeaves from blockking up the screen cloth, improves production efficiency.

Description

Tea screening machine

Technical Field

The utility model relates to a tealeaves screening technical field specifically is a tealeaves screening machine.

Background

Tea needs to be subjected to processes of enzyme deactivation, rolling, drying, screening, packaging and the like in the processing process, finished tea needs to measure indexes such as powder and broken tea content in the tea, the dried tea needs to be screened according to different meshes in order to guarantee the quality requirement of the finished tea, the tea is screened according to different meshes, and the tea is screened mainly by adopting manual screening and mechanical screening in the tea processing industry at present. Manual screening wastes time and labor, and the production efficiency is low; the mechanical screening mainly adopts a plane circular screen, the plane circular screen still has some defects in the tea screening process, and the specific problems are as follows:

1. a screen is arranged in a screen box of the plane circular screen, and the dried tea leaves can be screened only according to a mesh standard, so that certain limitation exists;

2. the screen fixing mode of the plane circular screen is complex, and the screen is not easy to replace;

3. when the planar circular sieve is used for a certain time, a large amount of tea leaves are accumulated on the sieve mesh to cover the sieve mesh, the tea leaves on the sieve mesh must be cleaned to continue working, the sieve mesh is easy to block by the tea leaves, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tea screening machine, which aims to solve the problem that the screen mesh is arranged in the screen box of the plane circular screen provided by the background technology, and the dried tea can be screened only according to a mesh standard, so that certain limitation exists; the fixing mode of the screen is complex, and the screen is not easy to replace; the tea leaves easily block the screen, and the production efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: a tea screening machine comprises a machine frame, a feeding bin, a screening box, a screen and an air blower, wherein a first machine frame upright post and a second machine frame upright post are respectively vertically welded on two sides of the machine frame, the top of the first machine frame upright post is welded with the screening box, a third discharging pipe is welded at the bottom end of the screening box, an access door is arranged on one side of the screening box, two sets of mutually parallel screen fixing plates are obliquely welded between the inner walls of two sides of the screening box, the screen is arranged above the screen fixing plates, a screen pressing plate is fixed at the top of the screen through bolts, the screen comprises a first screen and a second screen, a first discharging pipe is welded on the outer wall of the screening box at the bottom end position of the first screen, a second discharging pipe is welded on the outer wall of the screening box at the bottom end position of the second screen, and a bin wall vibrator is fixed on the outer wall of the screening box between the top end of the first screen and the top, the top welding of screening case has the feeding storehouse, there is the air-blower through the bolt fastening in the frame between first frame stand and the second frame stand, and the air outlet of air-blower is fixed with first tuber pipe through the flange, the end connection of first tuber pipe has second tuber pipe and the third tuber pipe that is parallel to each other, and the air-out end of second tuber pipe and third tuber pipe is fixed in respectively through the flange on the screening case outer wall of the higher one end of first screen cloth and second screen cloth fixed plane, the top welding of second frame stand has the control box, and the control switch in the control box passes through the wire and is connected in the power of bulkhead vibrator and air-blower respectively.

Preferably, screen cloth fixed plate grooves are symmetrically formed in two sides of the screen cloth fixed plate, screen cloth pressing plate clamping strips are symmetrically arranged on two sides of the screen cloth pressing plate and fixed in the screen cloth fixed plate grooves, and the aperture of the first screen cloth is larger than that of the second screen cloth.

Preferably, the first discharging pipe and the second discharging pipe are welded with the connecting end of the screening box to form a baffle fixing block, a movable baffle is arranged above the baffle fixing block, and the top end of the third discharging pipe is fixed with a discharging butterfly valve through a flange.

Preferably, one side horizontal welding of feeding storehouse bottom has the picture peg fixed block, and the top of picture peg fixed block is fixed with feeding storehouse picture peg through the bolt, feeding storehouse side is provided with the slot with the corresponding position department of feeding storehouse picture peg, and the slot mutually supports with feeding storehouse picture peg, the slope welding of one side of feeding storehouse bottom has feeding storehouse guide plate.

Preferably, the second air pipe and the third air pipe are welded in an inclined mode, the inclined angle of the second air pipe and the inclined angle of the third air pipe are equal to the inclined angle of the screen, and air pipe butterfly valves are fixed at the middle positions of the second air pipe and the third air pipe through flanges respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a tea screening machine, the slope welding has two sets of screen cloth fixed plates parallel to each other between the both sides inner wall of screening case, the bilateral symmetry of screen cloth fixed plate is provided with screen cloth fixed plate recess, the screen cloth is installed to the top of screen cloth fixed plate, there is the screen cloth clamp plate at the top of screen cloth through the bolt fastening, the bilateral symmetry of screen cloth clamp plate is provided with screen cloth clamp plate card strip, be fixed in screen cloth fixed plate recess with screen cloth clamp plate card strip, be convenient for according to tealeaves screening specification requirement, carry out quick dismantlement and change to the screen cloth.

(2) The utility model provides a tealeaves screening machine, the screen cloth includes first screen cloth and second screen cloth, and first screen cloth and the slope installation that inclines that the second screen cloth is parallel to each other, and the aperture of first screen cloth is greater than the aperture of second screen cloth, and tealeaves after the stoving loops through first screen cloth and second screen cloth and sieves, and tealeaves sieves into different equipotential of thickness according to the mesh number of difference.

(3) The utility model provides a tealeaves screening machine, there is the air-blower through the bolt fastening in the frame between first frame stand and the second frame stand, and the air outlet of air-blower is fixed with first tuber pipe through the flange, the tip slope welding of first tuber pipe has second tuber pipe and the third tuber pipe that is parallel to each other, the inclination of second tuber pipe and third tuber pipe equals with the inclination of screen cloth, make the air-out end of second tuber pipe and third tuber pipe just to the tealeaves on the screen cloth, the wind-force that the air-blower produced is through first tuber pipe, second tuber pipe and third tuber pipe, operation tuber pipe butterfly valve adjusts wind-force size, tealeaves on the screen cloth falls into the packing material through first discharging pipe and second discharging pipe under the effect of wind force, prevent tealeaves jam screen cloth, and improve production efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the screen of the present invention;

FIG. 3 is a schematic view of the installation of the feeding bin of the present invention;

fig. 4 is a schematic view of the installation of the movable baffle of the present invention.

In the figure: 1. a frame; 201. a first frame upright; 202. a second frame upright; 3. an operation box; 4. screening the box; 5. a feeding bin; 501. inserting plate fixing blocks; 502. a feeding bin plug board; 503. a feed bin deflector; 6. a bin wall vibrator; 7. screening a screen; 701. a first screen; 702. a second screen; 8. a screen fixing plate; 801. a screen mesh fixing plate groove; 9. a screen mesh pressing plate; 901. clamping strips of a screen mesh pressing plate; 1001. a first discharge pipe; 1002. a second discharge pipe; 1003. a third discharge pipe; 11. a baffle fixing block; 12. a movable baffle; 13. a blanking butterfly valve; 14. a blower; 1501. a first air duct; 1502. a second air duct; 1503. a third air duct; 16. a wind pipe butterfly valve; 17. an access door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, in which like parts are designated by like reference numerals. It should be noted that "above", "below" and "left" used in the following description refer to the direction of fig. 1.

Referring to fig. 1-4, the present invention provides an embodiment: a tea screening machine comprises a machine frame 1, a feeding bin 5, a screening box 4, a screen 7 and an air blower 14, wherein a first machine frame upright 201 and a second machine frame upright 202 are vertically welded on two sides of the machine frame 1 respectively, the screening box 4 is welded on the top of the first machine frame upright 201, a third discharging pipe 1003 is welded at the bottom end of the screening box 4, an access door 17 is arranged on one side of the screening box 4, the access door 17 is arranged to facilitate quick detachment and replacement of the screen 7, two groups of screen fixing plates 8 which are parallel to each other are obliquely welded between the inner walls of two sides of the screening box 4, the screen 7 is installed above the screen fixing plates 8, a screen pressing plate 9 is fixed on the top of the screen 7 through bolts, the screen 7 comprises a first screen 701 and a second screen 702, a first discharging pipe 1001 is welded on the outer wall of the screening box 4 at the bottom end position of the first screen 701, a second discharging pipe 1002 is welded on the outer wall of the, a bin wall vibrator 6 is fixed on the outer wall of the screening box 4 between the top end of the first screen 701 and the top end of the second screen 702 through bolts, and a feeding bin 5 is welded at the top of the screening box 4;

an air blower 14 is fixed on the rack 1 between the first rack upright column 201 and the second rack upright column 202 through bolts, a first air duct 1501 is fixed at an air outlet of the air blower 14 through a flange, a second air duct 1502 and a third air duct 1503 which are parallel to each other are connected to the end part of the first air duct 1501, air outlet ends of the second air duct 1502 and the third air duct 1503 are respectively fixed on the outer walls of the screening boxes 4 at the higher ends of the fixing planes of the first screen 701 and the second screen 702 through flanges, an operation box 3 is welded at the top of the second rack upright column 202, and a control switch in the operation box 3 is respectively connected with power supplies of the bin wall vibrator 6 and the air blower 14 through wires;

screen fixing plate grooves 801 are symmetrically formed in two sides of the screen fixing plate 8, screen pressing plate clamping strips 901 are symmetrically formed in two sides of the screen pressing plate 9, the screen pressing plate clamping strips 901 are fixed in the screen fixing plate grooves 801, the aperture of the first screen 701 is larger than that of the second screen 702, the aperture of the first screen 701 can be 1.25mm, and the aperture of the second screen 702 can be 1.12 mm;

a baffle fixing block 11 is welded at the connecting ends of the first discharging pipe 1001 and the second discharging pipe 1002 and the screening box 4, a movable baffle 12 is arranged above the baffle fixing block 11, a discharging butterfly valve 13 is fixed at the top end of the third discharging pipe 1003 through a flange, and the discharging butterfly valve 13 is opened to collect tea leaves on the bottom plate of the screening box 4;

an inserting plate fixing block 501 is horizontally welded on one side of the bottom of the feeding bin 5, a feeding bin inserting plate 502 is fixed on the top of the inserting plate fixing block 501 through a bolt, a slot is formed in the side face of the feeding bin 5 corresponding to the feeding bin inserting plate 502, the slot is matched with the feeding bin inserting plate 502, a feeding bin guide plate 503 is obliquely welded on one side of the bottom of the feeding bin 5, and the feeding bin guide plate 503 restrains the falling position of tea leaves in the feeding bin 5 to be located on the left side of the screen 7;

second tuber pipe 1502 and third tuber pipe 1503 are the inclined weld, and the inclination of second tuber pipe 1502 and third tuber pipe 1503 equals with screen cloth 7's inclination, make the air-out end of second tuber pipe 1502 and third tuber pipe 1503 just to the tealeaves on the screen cloth 7, the intermediate position department of second tuber pipe 1502 and third tuber pipe 1503 is fixed with tuber pipe butterfly valve 16 through the flange respectively, can adjust the wind-force size of the tealeaves that acts on screen cloth 7 through operation tuber pipe butterfly valve 16, the tealeaves on the screen cloth 7 blows in first discharging pipe 1001 and second discharging pipe 1002 after the screening under the wind-force effect, prevent tealeaves jam screen cloth 7.

The working principle is as follows: before use, the screen 7 is selected and fixed, the access door 17 is opened, the required screen is cut according to the distance between the screen fixing plates 8 on the inner walls of the two sides of the screening box 4, then the cut screen is placed on the screen fixing plates 8 on the inner walls of the two sides of the screening box 4, then the screen pressing plate 9 is installed, and the screen is pressed

The screen press plate clamping strip 901 is fixed in the groove 801 of the screen fixing plate, and the screen fixing plate 8 and the screen press plate 9

And is fixed through bolts.

The working principle is as follows: when in use, the feed bin spile 502 is horizontally moved to ensure that the feed opening of the feed bin 5 is completely sealed

Closing, putting the dried tea leaves into a feeding bin 5, operating a control button corresponding to a bin wall vibrator 6 on a panel of an operation box 3, starting vibration of the bin wall vibrator 6 on the outer wall of a screening box 4, horizontally moving a feeding bin inserting plate 502 to slowly open a discharging opening of the feeding bin 5, enabling the dried tea leaves in the feeding bin 5 to fall on a first screen 701 in the screening box 4, then enabling the tea leaves with the mesh number smaller than that of the first screen 701 to fall on a second screen 702 under vibration of the bin wall vibrator 6, enabling the tea leaves with the mesh number smaller than that of the second screen 702 to fall on the bottom of the screening box 4, opening a discharging butterfly valve 13, and collecting the tea leaves on the bottom plate of the screening box 4;

the movable baffle 12 above the baffle fixing block 11 is pulled out, then a control button corresponding to the blower 14 on the panel of the operation box 3 is operated, wind power generated by the blower 14 passes through the first air pipe 1501, the second air pipe 1502 and the third air pipe 1503, the air pipe butterfly valve 16 is operated to adjust the wind power, and tea leaves on the first screen cloth 701 and the second screen cloth 702 fall into a package through the first discharge pipe 1001 and the second discharge pipe 1002 under the action of the wind power.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a tea screening machine, includes frame (1), feeding storehouse (5), screening case (4), screen cloth (7) and air-blower (14), its characterized in that: the screening machine is characterized in that a first rack upright post (201) and a second rack upright post (202) are respectively and vertically welded on two sides of the rack (1), a screening box (4) is welded on the top of the first rack upright post (201), a third discharging pipe (1003) is welded on the bottom end of the screening box (4), an access door (17) is arranged on one side of the screening box (4), two groups of mutually parallel screen fixing plates (8) are obliquely welded between the inner walls of two sides of the screening box (4), a screen (7) is installed above the screen fixing plates (8), a screen pressing plate (9) is fixed on the top of the screen (7) through bolts, the screen (7) comprises a first screen (701) and a second screen (702), a first discharging pipe (1001) is welded on the outer wall of the screening box (4) at the bottom end position of the first screen (701), a second discharging pipe (1002) is welded on the outer wall of the screening box (4) at the bottom end position of the second screen (702), a silo wall vibrator (6) is fixed on the outer wall of the screening box (4) between the top end of the first screen (701) and the top end of the second screen (702) through a bolt, a feeding bin (5) is welded at the top of the screening box (4), an air blower (14) is fixed on the rack (1) between the first rack upright post (201) and the second rack upright post (202) through a bolt, a first air pipe (1501) is fixed at an air outlet of the air blower (14) through a flange, the end part of the first air pipe (1501) is connected with a second air pipe (1502) and a third air pipe (1503) which are parallel to each other, air outlet ends of the second air pipe (1502) and the third air pipe (1503) are respectively fixed on the outer wall of the screening box (4) at the higher end of the fixing planes of the first screen (701) and the second screen (702) through flanges, and an operation box (3) is welded at the top of the second rack upright post (202), and a control switch in the operation box (3) is respectively connected with the power supply of the bin wall vibrator (6) and the blower (14) through wires.

2. The tea screening machine according to claim 1, wherein: two sides of the screen fixing plate (8) are symmetrically provided with screen fixing plate grooves (801), two sides of the screen pressing plate (9) are symmetrically provided with screen pressing plate clamping strips (901), the screen pressing plate clamping strips (901) are fixed in the screen fixing plate grooves (801), and the aperture of the first screen (701) is larger than that of the second screen (702).

3. The tea screening machine according to claim 1, wherein: the utility model discloses a screening box, including first discharging pipe (1001) and second discharging pipe (1002) and screening box (4), the connection end welding of first discharging pipe (1001) and second discharging pipe (1002) and screening box (4) has baffle fixed block (11), and the top of baffle fixed block (11) is provided with adjustable fender (12), the top of third discharging pipe (1003) is fixed with unloading butterfly valve (13) through the flange.

4. The tea screening machine according to claim 1, wherein: the welding of one side level of feeding storehouse (5) bottom has picture peg fixed block (501), and the top of picture peg fixed block (501) is fixed with feeding storehouse picture peg (502) through the bolt, feeding storehouse (5) side is provided with the slot with the corresponding position department of feeding storehouse picture peg (502), and slot and feeding storehouse picture peg (502) mutually support, the lopsidedness welding of feeding storehouse (5) bottom has feeding storehouse guide plate (503).

5. The tea screening machine according to claim 1, wherein: the second air pipe (1502) and the third air pipe (1503) are welded in an inclined mode, the inclined angle of the second air pipe (1502) and the inclined angle of the third air pipe (1503) are equal to the inclined angle of the screen (7), and air pipe butterfly valves (16) are fixed to the middle positions of the second air pipe (1502) and the third air pipe (1503) through flanges.