Tea leaf drying and screening device

Abstract

The utility model discloses a tea leaf drying and screening device, which relates to the technical field of tea leaf drying and comprises a screening box, a first collecting box is slidably connected to the center of the inner wall of the screening box, and a plurality of groups of limiting sliding rods are symmetrically and fixedly connected to the inner wall of the screening box and located on two sides of the first collecting box. The motor is started to drive the two rotating rods and the cams to rotate at the same time, and the cams rotate to extrude the mounting frame, the sleeve frame and the screen so that the mounting frame, the sleeve frame and the screen can reciprocate up and down to screen tea leaves; then the mounting frame, the sleeve frame and the screen are conveniently mounted and dismounted through the fixing assembly, discharging is facilitated, and the connecting stability is improved; and then the U-shaped rod is pulled to be separated from the mounting frame to relieve limiting, the second spring is stretched to prepare for resetting and rebounding, and then the sleeve frame and the screen are taken down upwards, so that the mounting frame or the filter screen can be cleaned independently, the cleaning difficulty is reduced, the efficiency is improved, the screens with different mesh numbers can be replaced as required, and the application range of equipment is expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to tea leaf drying technical field, concretely is a kind of tea leaf drying screening device. BACKGROUND

[0002] Tea originates from China, tea is earliest used as sacrifice, but from late spring and autumn period is used as food by people, in mid-west Han Dynasty, it is developed as medicinal, in late west Han Dynasty, it is developed as imperial high-grade beverage, popularize folk as ordinary beverage that is the matter after west Jin Dynasty, tea drying is the process that the fresh tea picked back is dried, main purpose is to remove the moisture in tea, so that it has appropriate moisture content, thereby prolonging the shelf life of tea, improve the texture and taste of tea;

[0003] The existing patent (announcement number: CN221203976U) discloses a tea drying device with screening structure, which can knock the second collecting box and the third collecting box to drive the second collecting box and the third collecting box to move on the movable block when the cam is driven to rotate by the second motor, and can keep the second collecting box and the third collecting box in a vibrating state by cooperating with the second spring, so as to facilitate the screening of tea, and can simultaneously perform the screening and drying processing procedures of tea, thereby improving the processing efficiency of tea.

[0004] However, the existing equipment still has some deficiencies, first, the second collecting box and the third collecting box of the equipment are in contact with the supporting block, and there is no stable limiting, which may affect the stable use of the equipment during screening, and the inner diameter of the screen hole at the bottom of the second collecting box and the third collecting box is fixed, but tea has various types and different processing methods, and the fixed size of the screen hole has certain limitations for tea of different sizes. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a tea drying screening device to solve the technical problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tea drying screening device, comprising a screening box, a first collecting box is slidably connected to the center position of the inner wall of the screening box, a plurality of sets of limiting slide rods are fixedly connected to the inner wall of the screening box on both sides of the first collecting box, an installation plate is slidably connected to the outer wall of the limiting slide rod, a fixed component is fixedly connected to the upper surface of the installation plate on both sides, and a drying device is installed at the center position of the upper surface of the screening box.

[0007] The fixing assembly comprises a limiting block fixedly connected to the upper surface of the mounting plate, a cavity is formed in the interior of the limiting block, two groups of limiting blocks on one side are jointly penetrated by a torsion bar, a gear is fixed to the outer wall of the torsion bar inside the limiting block, a clamping rod is slidingly connected to the interior of the limiting block, a tooth groove is formed in the upper surface of the clamping rod, the clamping rod is engaged with the gear, an installation frame is slidingly installed at the middle position of the two groups of limiting blocks and on the upper surface of the mounting plate, one end of the clamping rod is a sharp end, and the sharp end extends into the interior of the installation frame.

[0008] By adopting the above technical scheme, the motor is started first to drive the two groups of rotating rods and the cam to rotate, the cam rotates to extrude the installation frame, the sleeve frame and the screen to make them reciprocate up and down to realize tea screening; secondly, the two side torsion bars are rotated first to drive the gears to rotate, the gears are engaged with the clamping rod to move inward to be pulled out of the installation frame to release the limiting and fixing of the installation frame; finally, the installation frame and the sleeve frame are pulled out to complete disassembly, and installation is operated in reverse; then, the U-shaped rod is pulled outward first to release the limiting of the sharp end of the U-shaped rod and the installation frame, the second spring is stretched to prepare for reset, and then the sleeve frame is taken out upward together with the screen, so that the installation frame or the filter screen can be cleaned alone, the cleaning difficulty is reduced, the efficiency is improved, different mesh screens can be replaced as needed, and the application range of the equipment is expanded.

[0009] Further, the outer wall of the installation frame and the two groups of limiting blocks close to each other is slidingly connected, a torsion block is fixed to the outer wall of one end of the torsion bar, a torsion spring is sleeved on the outer wall of one end of the torsion bar, and the two ends of the torsion spring are connected with the limiting block and the torsion bar respectively, and a first spring is sleeved on the outer wall of the limiting sliding rod between the middle positions of the two groups of mounting plates and the inner wall bottom end of the screening box and the mounting plate.

[0010] By adopting the above technical scheme, the two groups of limiting blocks can limit the installation frame to enhance stability, the torsion block can facilitate the operator to rotate the rotating rod to drive the gear to rotate, the torsion spring can accumulate the power for rotating reset of the rotating rod and drive the clamping rod to reset and insert into the installation frame through the gear to realize automatic fixing.

[0011] Further, two groups of rotating rods are rotationally connected to the inner wall of the screening box in a symmetrical manner, and two groups of cams are fixedly connected to the outer walls of the two sides of the two groups of rotating rods in a symmetrical manner, a plurality of rollers are rotationally connected to the outer wall of the cam, and the rotating rod is fixed to the eccentric position of the cam.

[0012] By adopting the above technical scheme, the plurality of rollers rotationally connected to the outer wall of the cam can reduce friction when jacking the installation frame to prolong the service life.

[0013] Further, the lower surface center position of the mounting frame is an opening structure, two groups of T-shaped rods are symmetrically fixedly connected to the lower surface of the mounting frame, and matching sliding grooves are formed at the positions where the mounting plate and the T-shaped rods are in contact, and the mounting frame, the sleeve frame and the screen mesh are collectively referred to as the second collecting box after being connected.

[0014] By adopting the above technical scheme, the T-shaped rods and the T-shaped rods are in contact with each other, and matching sliding grooves are formed at the positions where the T-shaped rods are in contact, so that the mounting frame can be strengthened, limited and fixed, and the mounting frame is prevented from shaking or even falling off.

[0015] Further, the upper surface of the mounting frame is sleeved with a sleeve frame, a screen mesh is welded to the bottom surface of the sleeve frame in the interior of the mounting frame, U-shaped rods are slidably connected to the two side outer walls of the sleeve frame, one end of each U-shaped rod close to the sleeve frame is a pointed cone end, and the pointed cone end penetrates through the sleeve frame and extends into the interior of the mounting frame.

[0016] By adopting the above technical scheme, one end of each U-shaped rod close to the sleeve frame is a pointed cone end, and the inclined surface of the pointed cone end faces downward, when the sleeve frame is mounted, the sleeve frame is aligned with the inner wall of the mounting frame and pressed to move downward, at this time, the pointed cone end is extruded and moves outward, and at the same time, the second spring is extruded, providing a continuous power for the elastic return of the U-shaped rod, after the U-shaped rod moves to the corresponding rectangular clamping groove, the second spring drives the U-shaped rod to reset and insert into the rectangular clamping groove, so that the sleeve frame is fixed and limited.

[0017] Further, the two side outer walls of the U-shaped rod are sleeved with second springs, and the two ends of each second spring are fixed to the outer wall of the sleeve frame and the U-shaped rod, respectively, and matching rectangular clamping grooves are formed at the positions where the two side outer walls of the mounting frame and the U-shaped rods and the clamping rods are in contact, respectively.

[0018] By adopting the above technical scheme, the two ends of each second spring are fixed to the outer wall of the sleeve frame and the outer wall of the side close to the limiting piece, respectively.

[0019] In summary, the utility model mainly has the following beneficial effects:

[0020] The utility model discloses a tea screening device, which comprises a mounting frame, a sleeve frame, a screen mesh, a fixing assembly, a U-shaped rod and a second spring. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the front view of the utility model;

[0022] Figure 2 This is a structural diagram of the internal structure of the screening box of this utility model;

[0023] Figure 3 This is a partial cross-sectional view of the present invention;

[0024] Figure 4 For the present utility model Figure 3 Enlarged detail at point A in the middle;

[0025] Figure 5 This is a detailed structural diagram of the second collection box of this utility model.

[0026] Figure 6 This is a detailed view of the bottom structure of the second collection box of this utility model;

[0027] Figure 7 This is a detailed drawing of the cam structure of this utility model.

[0028] In the diagram: 1. Screening box; 11. First collection box; 12. Limiting slide bar; 13. Mounting plate; 14. First spring; 15. Rotating rod; 16. Cam; 161. Roller; 17. Mounting frame; 171. T-shaped rod; 18. Sleeve frame; 181. Screen; 19. U-rod; 191. Second spring; 2. Fixing assembly; 21. Limiting block; 22. Torsion bar; 221. Torsion block; 23. Gear; 24. Locking rod; 3. Drying device. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0030] The embodiments of this utility model will be described below based on its overall structure.

[0031] A tea drying and sorting device, such as Figure 1 - Figure 7 As shown, the system includes a screening box 1, a first collection box 11 slidably connected to the center of the inner wall of the screening box 1, multiple sets of limiting slide rods 12 symmetrically fixedly connected to the inner wall of the screening box 1 on both sides of the first collection box 11, an installation plate 13 slidably connected to the outer wall of the limiting slide rods 12, a fixing component 2 symmetrically fixedly connected to both sides of the upper surface of the installation plate 13, and a drying device 3 installed at the center of the upper surface of the screening box 1.

[0032] The fixed assembly 2 includes a limiting block 21 fixedly connected to the upper surface of the mounting plate 13, a cavity is formed in the inside of the limiting block 21, two groups of limiting blocks 21 on one side are jointly penetrated by a torsion bar 22, a gear 23 is fixed to the outer wall of the torsion bar 22 in the inside of the limiting block 21, a clamping rod 24 is slidingly connected to the inside of the limiting block 21, a tooth groove is formed in the upper surface of the clamping rod 24, and the clamping rod 24 is engaged with the gear 23, an installation frame 17 is slidingly installed at the middle position of the two groups of limiting blocks 21 and on the upper surface of the mounting plate 13, and one end of the clamping rod 24 is a sharp end, and the sharp end extends into the inside of the installation frame 17.

[0033] The utility model discloses a first start motor simultaneously drive two groups of rotary lever 15 and cam 16 rotation, cam 16 rotation extrusion installation frame 17, cover frame 18 and screen 181 make its reciprocating motion up and down realize tea screening, secondly, rotate two sides torsion bar 22 drive gear 23 rotation first, make gear 23 engage clamping rod 24 and move in from installation frame 17 and can be extracted to remove the limit fixing of installation frame 17, finally, extract installation frame 17 and cover frame 18 complete disassembly, and installation is reverse operation, then first extrude U lever 19 to the outside, make its sharp end and installation frame 17 remove the limit, second spring 191 stretch and prepare to reset rebound, then take down cover frame 18 with screen 181 upwards, so can clean installation frame 17 or filter screen alone, reduce the cleaning difficulty, improve efficiency, can also replace different mesh screen 181 as required, expand the equipment application range.

[0034] Please refer to Figure 2 - Figure 7 The outer wall of one end of the torsion bar 22 is fixedly provided with a torsion block 221, the outer wall of one end of the torsion bar 22 is sleeved with a torsion spring, and the two ends of the torsion spring are connected with the limiting block 21 and the torsion bar 22 respectively, and the outer wall of the limiting sliding rod 12 and between the middle positions of the two groups of mounting plates 13 and the inner wall bottom end of the screening box 1 and the mounting plate 13 are all sleeved with the first spring 14, the two groups of limiting blocks 21 can limit the installation frame 17, the stability is enhanced, the torsion block 221 can facilitate the operator to rotate the rotary lever 15, and then drive the gear 23 to rotate, the torsion spring can accumulate the power of rotary reset for the rotary lever 15 and reset the clamping rod 24 into the installation frame 17 through the gear 23, and automatic fixing is realized.

[0035] Please refer to Figure 2 - Figure 7The inner wall of the screening box 1 is symmetrically connected to two sets of rotating rods 15, and the outer walls of the two sets of rotating rods 15 are symmetrically fixed to two sets of cams 16. The outer wall of the cams 16 is rotatably connected to multiple sets of rollers 161, and the rotating rods 15 are fixed at the eccentric position of the cams 16. By setting the above structure, the outer wall of the cams 16 is rotatably connected to multiple sets of rollers 161, which can reduce friction and extend service life when lifting the mounting frame 17.

[0036] Please see Figure 5 - Figure 6 The lower surface of the mounting frame 17 has an open structure at its center. Two sets of T-shaped rods 171 are symmetrically fixedly connected to the lower surface of the mounting frame 17. The mounting plate 13 has a matching groove at the contact position with the T-shaped rods 171. The mounting frame 17, the sleeve frame 18, and the screen 181 are collectively referred to as the second collection box. By setting the above structure, the matching groove at the contact position of the T-shaped rods 171 can strengthen and limit the fixing of the mounting frame 17, preventing the mounting frame 17 from shaking or even falling off.

[0037] Please see Figure 2 - Figure 6 The upper surface of the mounting frame 17 is fitted with a sleeve frame 18. The bottom surface of the sleeve frame 18 is welded with a screen 181 inside the mounting frame 17. Both outer walls of the sleeve frame 18 are slidably connected with U rods 19. The end of the U rod 19 near the sleeve frame 18 is a pointed cone end, which penetrates the sleeve frame 18 and extends into the interior of the mounting frame 17. By setting the above structure, the end of the U rod 19 near the sleeve frame 18 is a pointed cone end, and the inclined surface of the pointed cone end faces downward. When installing the sleeve frame 18, the sleeve frame 18 is aligned with the inner wall of the mounting frame 17 and pressed down. At this time, the pointed cone end is squeezed outward and squeezes the second spring 191, which provides the power for the U rod 19 to rebound and reset. After the U rod 19 moves to the corresponding rectangular slot, the second spring 191 drives the U rod 19 to reset and insert into the rectangular slot to achieve the fixed limit of the sleeve frame 18.

[0038] Please see Figure 5 - Figure 6 The outer walls on both sides of the U-rod 19 are fitted with second springs 191, and the two ends of the second springs 191 are fixed to the outer wall of the frame 18 and the U-rod 19 respectively. The outer walls on both sides of the mounting frame 17 are provided with matching rectangular slots at the contact positions with the U-rod 19 and the locking rod 24 respectively. With the above structure, two sets of limiting plates are symmetrically fixed to the outer wall of the U-rod 19 away from the frame 18, and the two ends of the second springs 191 are fixed to the outer wall of the frame 18 and the outer wall of the limiting plate respectively.

[0039] The working principle of the utility model is that: after the tea is dried by the drying device 3, the tea is discharged into the inside of the screening box 1 and falls into the sleeve frame 18 and the upper surface of the screen mesh 181, at this time, the motor is started to drive the two groups of rotating rods 15 and the cam 16 to rotate through the belt, the cam 16 is rotated to extrude the mounting frame 17, the sleeve frame 18 and the screen mesh 181 up and down reciprocating to realize the screening of the tea, and the first spring 14 is continuously extruded to provide the buffering for the mounting frame 17 and the sleeve frame 18;

[0040] The outer wall of the cam 16 is rotatably connected with a plurality of groups of rollers 161, the rollers 161 can be in contact with the lower surface of the mounting frame 17 to reduce friction and prolong the service life of the equipment;

[0041] When the mounting frame 17 and the screen mesh 181 need to be disassembled and extracted, the torsion rods 22 on both sides are rotated to drive the two groups of gears 23 to rotate and mesh to drive the clamping rods 24 to move inward to be extracted from the mounting frame 17, the clamping rods 24 are disengaged from the mounting frame 17, and then the mounting frame 17 and the sleeve frame 18 can be extracted, which is simple and fast, and the above operation is reversed during installation;

[0042] When the sleeve frame 18 and the screen mesh 181 need to be disassembled, the U-shaped rod 19 is extracted outward, at this time, the sharp end of the U-shaped rod 19 is disengaged from the mounting frame 17, and the second spring 191 is stretched to prepare for the reset rebound of the U-shaped rod 19, then the sleeve frame 18 and the screen mesh 181 are taken out upward, then the mounting frame 17 or the filter screen can be cleaned alone, the cleaning difficulty is reduced, the cleaning efficiency is improved, and different mesh screens 181 can be replaced according to different tea, and the application range of the equipment is improved.

[0043] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make modifications, replacements and changes without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A tea leaf drying and screening apparatus comprising a screening box (1), characterized in that: The inner wall center position of the screening box (1) is slidably connected with a first collecting box (11), the inner wall of the screening box (1) is fixedly connected with a plurality of limiting slide rods (12) on both sides of the first collecting box (11), the outer wall of the limiting slide rod (12) is slidably connected with a mounting plate (13), the upper surface of the mounting plate (13) is fixedly connected with a fixing assembly (2) on both sides, and the upper surface center position of the screening box (1) is provided with a drying device (3). The fixing assembly (2) comprises a limiting block (21) fixedly connected to the upper surface of the mounting plate (13), a cavity is formed in the limiting block (21), two groups of limiting blocks (21) on one side are rotatably connected with a torsion bar (22) penetrating through, a gear (23) is fixedly connected to the outer wall of the torsion bar (22) inside the limiting block (21), a clamping rod (24) is slidably connected to the inside of the limiting block (21), a tooth groove is formed in the upper surface of the clamping rod (24), the clamping rod (24) is engaged with the gear (23), an installation frame (17) is slidably installed at the middle position of the two groups of limiting blocks (21) and on the upper surface of the mounting plate (13), one end of the clamping rod (24) is a sharp end, and the sharp end extends into the installation frame (17).

2. The tea leaf drying and screening apparatus according to claim 1, wherein: The outer wall of the installation frame (17) and the two groups of limiting blocks (21) are slidably connected, one end of the torsion bar (22) is fixedly connected with a torsion block (221), a torsion spring is sleeved on the outer wall of one end of the torsion bar (22), and the two ends of the torsion spring are connected with the limiting block (21) and the torsion bar (22) respectively, and the outer wall of the limiting slide rod (12) is sleeved with a first spring (14) between the middle positions of the two groups of mounting plates (13), the inner wall bottom end of the screening box (1) and the mounting plate (13).

3. The tea leaf drying and screening apparatus according to claim 1, wherein: The inner wall of the screening box (1) is rotatably connected with two groups of rotating rods (15) symmetrically, the outer wall of the two groups of rotating rods (15) is fixedly connected with two groups of cams (16) symmetrically, the outer wall of the cam (16) is rotatably connected with a plurality of rollers (161), and the rotating rod (15) is fixed at the eccentric position of the cam (16).

4. The tea drying and screening apparatus according to claim 1, characterized in that: The lower surface center position of the installation frame (17) is an opening structure, the lower surface of the installation frame (17) is fixedly connected with two groups of T-shaped rods (171) symmetrically, a matching sliding groove is formed in the contact position between the mounting plate (13) and the T-shaped rod (171), and the installation frame (17), the sleeve frame (18) and the screen (181) are collectively referred to as a second collecting box.

5. The tea leaf drying and screening apparatus according to claim 1, wherein: The upper surface of the installation frame (17) is sleeved with a sleeve frame (18), the bottom surface of the sleeve frame (18) is welded with a screen (181) inside the installation frame (17), the outer wall of the sleeve frame (18) is slidably connected with a U-shaped rod (19), one end of the U-shaped rod (19) close to the sleeve frame (18) is a sharp end, and the sharp end penetrates through the sleeve frame (18) and extends into the installation frame (17).

6. A tea leaf drying and sieving apparatus as claimed in claim 5, wherein: Both sides of the U-shaped rod (19) are sleeved with second springs (191), and both ends of the second springs (191) are fixed with the outer wall of the sleeve frame (18) and the U-shaped rod (19), and both sides of the mounting frame (17) are provided with matched rectangular clamping grooves at the contact positions of the U-shaped rod (19) and the clamping rod (24).

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