Tea conveying and screening equipment

Abstract

The utility model relates to the field of tea processing equipment, in particular to tea conveying and screening equipment. The conveying and screening device comprises a conveying and screening box, an electric control rotating roller set, a conveying and screening net, a conveying and screening disc, a residue collecting box and a push-pull assembly. The electric control rotating roller set is located in the conveying screening box. The conveying screening net is connected to the electric control rotating roller set in a sleeving mode and synchronously rotates along with the electric control rotating roller set. The conveying screening disc is located in the conveying screening net. The slag collecting box is located below the conveying screening net. The push-pull assembly is located outside the conveying and screening box and connected with the conveying and screening disc and the residue collecting box. The conveying screening net is arranged for primary screening, the conveying screening disc is arranged for secondary screening, the residue collecting box is used for collecting tea residues, the structure is compact, and meanwhile layer-by-layer screening is achieved. And the push-pull assembly is arranged to control the conveying and screening disc and the residue collecting box to move synchronously, graded discharging, arrangement and conveying of the tea leaves are facilitated, the convenience and flexibility of tea leaf conveying and screening are improved, and the tea leaf processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of tea processing equipment, in particular to tea conveying and screening equipment. Background Art

[0002] Tea processing is the process of transforming picked fresh tea leaves into finished tea through a series of process steps. This process not only affects the appearance, aroma, taste and quality of the tea, but also determines the classification of the tea (such as green tea, black tea, oolong tea, etc.).

[0003] The Chinese patent document with the authorization announcement number CN 213293865 U discloses a conveying device for tea processing, including a frame and a plurality of transmission rollers arranged on the frame, the plurality of transmission rollers extending in the left-right direction and arranged at intervals in the front-back direction, and a conveyor belt is arranged on the plurality of transmission rollers to convey the tea from front to back under the action of the plurality of transmission rollers; a driving mechanism, the driving mechanism is connected to the transmission rollers to drive the plurality of transmission rollers to rotate; and also includes a feed hopper and a material shifting device arranged at the front end of the conveyor belt, the material shifting device includes at least one roller shaft extending in the left-right direction and a material shifting part arranged on the roller shaft, the roller shaft and the transmission roller rotate circumferentially in the same direction so that the material shifting part spreads the tea under the feed hopper evenly.

[0004] The above tea conveyor has a single function and is mainly used for conveying tea. Therefore, it is necessary to cooperate with other processing equipment before conveying to screen, clean and dry the tea. It takes a long pre-treatment time, which affects the efficiency of the entire tea processing. Utility Model Content

[0005] In view of the problems existing in the background technology, a tea conveying and screening device is proposed, in which a conveying and screening net is set for primary screening, a conveying and screening plate is set for secondary screening, and a slag collecting box is used to collect tea slag, which has a compact structure and realizes layer-by-layer screening at the same time. A push-pull component is set to control the synchronous movement of the conveying and screening plate and the slag collecting box, which is convenient for the grading, discharging, sorting and conveying of tea, improves the convenience and flexibility of tea conveying and screening, and improves the efficiency of tea processing.

[0006] The utility model provides a tea conveying and screening device, comprising:

[0007] The conveying screening box has a feed port at the top of one side, a discharge port at the bottom of the other side, and two sets of openings, one above and one below, at the front end;

[0008] The electrically controlled rotating roller group is located in the conveying and screening box, and is arranged on both sides of the upper opening, one on the left and one on the right;

[0009] The transmission screening net is sleeved on the electrically controlled rotating roller group, rotates synchronously with it, and is located between the feed port and the discharge port;

[0010] The conveying screening plate is located inside the conveying screening net and performs secondary screening on the tea leaves filtered from the conveying screening net;

[0011] The residue collection box is located below the conveying screening net and collects the tea residue filtered by the conveying screening plate and the conveying screening net;

[0012] And a push-pull assembly is located outside the conveying screening box and is respectively connected to the conveying screening plate and the slag collecting box, and is used to control the synchronous movement of the conveying screening plate and the slag collecting box, so that the conveying screening plate enters and exits the upper opening, and the slag collecting box enters and exits the lower opening.

[0013] Preferably, the conveying screening disc comprises a disc frame that slides in and out of an upper opening; a filter screen is located in the disc frame to perform secondary screening on the tea leaves filtered from the conveying screening screen; and a movable fence is provided on the side wall of the disc frame.

[0014] Preferably, the filtering aperture of the filter screen 1 is smaller than that of the conveying screening screen.

[0015] Preferably, the slag collecting box comprises a box body that slides in and out of a lower opening; a movable guardrail 2 is arranged on the side wall of the box body.

[0016] Preferably, a moving wheel 1 that contacts the bottom of the conveying screening box is provided at the bottom of the box body.

[0017] Preferably, the push-pull assembly includes an upper mounting seat connected to the disk frame, a lower mounting seat connected to the box body, and a connecting handle connecting the upper mounting seat and the lower mounting seat.

[0018] Preferably, a second moving wheel in contact with the ground is disposed at the bottom of the lower mounting seat.

[0019] Preferably, a positioning vibrator is arranged between the conveying screening disc and the conveying screening net; the positioning vibrator includes a rotating shaft driven by a motor; the rotating shaft extends between the conveying screening net and the disc frame, and a plurality of groups of positioning plates with protrusions at the ends are arranged thereon, and a vibrator is also arranged; during operation, at least one group of the positioning plates has its protruding side opposite to the edge of the disc frame; and at least one group of the positioning plates has its protruding side in contact with the conveying screening net.

[0020] Preferably, a fan is arranged on the top of the conveying screening box, and an air outlet pipe connected to the fan is also arranged; the air outlet pipe is located above the conveying screening net and supplies air downward.

[0021] Preferably, multiple groups of air outlet pipes are arranged along the feeding direction of the conveying screening net.

[0022] Compared with the prior art, the utility model has the following beneficial technical effects: a conveying screening net is provided to perform a screening once during transportation, a conveying screening disc performs a secondary screening on the tea leaves filtered from the conveying screening net, and a residue collection box collects the tea leaves filtered from the conveying screening disc and the conveying screening net. The structure is compact and layer-by-layer screening is achieved at the same time. A push-pull assembly is provided to control the synchronous movement of the conveying screening disc and the residue collection box, so that the conveying screening disc and the residue collection box can flexibly enter and exit the conveying screening box, which is convenient for the grading and discharging of tea leaves, and is convenient for sorting and conveying, thereby improving the efficiency of tea processing. The screening conditions of the tea leaves in the conveying screening disc and the residue collection box can also be checked at any time during the tea transmission process, thereby improving the convenience and flexibility of tea transmission and screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the tea conveying and screening equipment in the utility model (state one).

[0024] Figure 2 This is a schematic diagram of the structure of the tea conveying and screening equipment in the utility model (state two).

[0025] Figure 3 It is a schematic diagram of the internal structure of the tea conveying and screening equipment in the utility model.

[0026] Figure 4 for Figure 2 Schematic diagram of the structure at point A in the middle.

[0027] Figure 5 for Figure 3 Schematic diagram of the structure at point B in the middle.

[0028] Figure numerals: 1. Conveying and screening box; 2. Electric-controlled rotating roller group; 3. Conveying and screening net; 4. Conveying and screening disk; 401. Disk frame; 402. Baffle one; 403. Filter net one; 5. Slag collecting box; 501. Box body; 502. Baffle two; 6. Push-pull assembly; 601. Upper mounting seat; 602. Lower mounting seat; 603. Connecting handle; 604. Moving wheel two; 7. Positioning vibration member; 701. Rotating shaft; 702. Positioning plate; 703. Vibrator; 8. Feed inlet; 9. Discharge outlet; 10. Fan; 11. Air outlet duct; 12. Moving wheel one. DETAILED DESCRIPTION

[0029] Embodiment 1

[0030] like Figure 1-Figure 3As shown, the tea conveying and screening equipment proposed by the utility model includes a conveying and screening box 1, an electrically controlled rotating roller group 2, a conveying and screening net 3, a conveying and screening disc 4, a residue collecting box 5 and a push-pull assembly 6. A feed port 8 is arranged at the top of one side of the conveying and screening box 1, a discharge port 9 is arranged at the bottom of the other side, and two groups of openings are arranged at the front end, one above and one below. The electrically controlled rotating roller group 2 is located in the conveying and screening box 1, and is arranged on both sides of the upper opening, one on the left and one on the right. The conveying and screening net 3 is sleeved on the electrically controlled rotating roller group 2, rotates synchronously with it, and is located between the feed port 8 and the discharge port 9. The conveying and screening disc 4 is located in the conveying and screening net 3, and performs secondary screening on the tea leaves filtered from the conveying and screening net 3. The residue collecting box 5 is located below the conveying and screening net 3, and collects the tea leaves filtered by the conveying and screening disc 4 and the conveying and screening net 3. The push-pull assembly 6 is located outside the conveying screening box 1 and is respectively connected to the conveying screening plate 4 and the slag collecting box 5, and is used to control the synchronous movement of the conveying screening plate 4 and the slag collecting box 5, so that the conveying screening plate 4 enters and exits the upper opening, and the slag collecting box 5 enters and exits the lower opening.

[0031] It needs to be further explained that if Figure 3-Figure 4 As shown, the conveying screening plate 4 includes a plate frame 401 that slides in and out of an upper opening; a filter screen 403 is located in the plate frame 401 to perform secondary screening on the tea leaves filtered from the conveying screening screen 3; and a movable fence 402 is provided on the side wall of the plate frame 401.

[0032] It should be further explained that the filter aperture of the filter screen 403 is smaller than that of the conveying screening screen 3.

[0033] It should be further explained that the slag collecting box 5 comprises a box body 501 that slides in and out of a lower opening; a movable guard plate 2 502 is arranged on the side wall of the box body 501 .

[0034] It should be further explained that a moving wheel 12 is provided at the bottom of the box body 501 to contact the bottom of the conveying screening box 1 .

[0035] It should be further explained that the push-pull assembly 6 includes an upper mounting seat 601 connected to the disk frame 401 , a lower mounting seat 602 connected to the box body 501 , and a connecting handle 603 connecting the upper mounting seat 601 and the lower mounting seat 602 .

[0036] It should be further explained that a second moving wheel 604 in contact with the ground is disposed at the bottom of the lower mounting seat 602 .

[0037] Embodiment 2

[0038] Based on the first embodiment, this embodiment discloses the specific structure of the positioning vibration member 7 .

[0039] like Figure 5As shown, a positioning vibrator 7 is arranged between the conveying screening disc 4 and the conveying screening net 3; the positioning vibrator 7 includes a rotating shaft 701 driven by a motor; the rotating shaft 701 extends between the conveying screening net 3 and the disc frame 401, and a plurality of groups of positioning pieces 702 with protrusions at the ends are arranged thereon, and a vibrator 703 is also arranged; during operation, the protruding side of at least one group of positioning pieces 702 is opposite to the edge of the disc frame 401; the protruding side of at least one group of positioning pieces 702 is in contact with the conveying screening net 3.

[0040] Embodiment 3

[0041] On the basis of the first and second embodiments, this embodiment proposes to set a fan 10 on the top of the conveying screening box 1, and also set an air outlet pipe 11 connected to the fan 10; the air outlet pipe 11 is located above the conveying screening net 3 and supplies air downward.

[0042] It should be further explained that multiple groups of air outlet pipes 11 are arranged along the feeding direction of the screening net 3 .

[0043] The working principle of the utility model is as follows: After the tea leaves are processed, they enter the conveying and screening box 1 from the feed port 8, and fall on one end of the conveying and screening net 3, and move synchronously with it. Since the air outlet 11 blows air downward, the partial positioning piece 702 of the positioning vibrator 7 transmits vibration due to contact with the conveying and screening net 3, so that small tea leaves and tea residues passively fall into the disc frame 401 during the movement. The partial positioning piece 702 of the positioning vibrator 7 presses down the disc frame 401, positioning it and transmitting vibration at the same time, and the filter net 1 403 performs secondary screening on the tea leaves filtered from the conveying and screening net 3. The tea residue enters the box body 501. The large-sized tea leaves eventually leave the device from the discharge port 9. At this time, the rotating shaft 701 of the positioning vibrator 7 rotates in the opposite direction, so that the protruding side of the positioning piece 702 is away from the disc frame 401, and loses its positioning effect on it. Pull the connecting handle 603, the upper mounting seat 601 drives the disc frame 401 to slide out, and the lower mounting seat 602 drives the box body 501 to slide out. Finally, the corresponding tea leaves can be transferred out by removing the railing 1 402 and the railing 2 502 respectively.

[0044] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Tea conveying and screening equipment, characterized in that: include: A conveying screening box (1) is provided with a feed inlet (8) at the top end of one side, a discharge outlet (9) at the bottom end of the other side, and two sets of openings, one above and one below, at the front end; An electrically controlled rotating roller group (2) is located in the conveying and screening box (1), and is arranged on both sides of the upper opening, one on the left and one on the right; The conveying screening net (3) is sleeved on the electrically controlled rotating roller group (2), rotates synchronously therewith, and is located between the feed port (8) and the discharge port (9); The conveying screening plate (4) is located inside the conveying screening net (3) and performs secondary screening on the tea leaves filtered from the conveying screening net (3); A residue collection box (5) is located below the conveying screening net (3) and collects tea residue filtered by the conveying screening plate (4) and the conveying screening net (3); and a push-pull assembly (6), which is located outside the conveying screening box (1) and is respectively connected to the conveying screening plate (4) and the slag collecting box (5), and is used to control the synchronous movement of the conveying screening plate (4) and the slag collecting box (5), so that the conveying screening plate (4) enters and exits the upper opening, and the slag collecting box (5) enters and exits the lower opening.

2. The tea conveying and screening equipment according to claim 1, characterized in that: The conveying screening disc (4) comprises a disc frame (401) that slides in and out of an upper opening; a filter screen (403) is located in the disc frame (401) and performs secondary screening on the tea leaves filtered from the conveying screening screen (3); A movable guardrail 1 (402) is arranged on the side wall of the tray frame (401).

3. The tea conveying and screening equipment according to claim 2, characterized in that: The filtering aperture of the filter screen 1 (403) is smaller than that of the transmission screening screen (3).

4. The tea conveying and screening equipment according to claim 2, characterized in that: The slag collecting box (5) comprises a box body (501) that slides in and out of a lower opening; a movable guardrail 2 (502) is arranged on the side wall of the box body (501).

5. The tea conveying and screening equipment according to claim 4, characterized in that: The bottom of the box body (501) is provided with a moving wheel (12) which contacts the bottom of the conveying screening box (1).

6. The tea conveying and screening equipment according to claim 5, characterized in that: The push-pull assembly (6) comprises an upper mounting seat (601) connected to the disk frame (401), a lower mounting seat (602) connected to the box body (501), and a connecting handle (603) connecting the upper mounting seat (601) and the lower mounting seat (602).

7. The tea conveying and screening equipment according to claim 6, characterized in that: A second moving wheel (604) in contact with the ground is disposed at the bottom of the lower mounting seat (602).

8. The tea conveying and screening equipment according to claim 2, characterized in that: A positioning vibration member (7) is arranged between the conveying screening plate (4) and the conveying screening net (3); The positioning vibration member (7) comprises a rotating shaft (701) driven by a motor; the rotating shaft (701) extends between the conveying screening net (3) and the disc frame (401), and is provided with a plurality of groups of positioning pieces (702) with protrusions at the ends thereof, and a vibrator (703); During operation, the raised side of at least one group of positioning pieces (702) is opposite to the edge of the disk frame (401); and the raised side of at least one group of positioning pieces (702) is in contact with the conveying screening net (3).

9. The tea conveying and screening equipment according to claim 1, characterized in that: A fan (10) is arranged on the top of the conveying screening box (1), and an air outlet pipe (11) connected to the fan (10) is also arranged; the air outlet pipe (11) is located above the conveying screening net (3) and supplies air downward.

10. The tea conveying and screening equipment according to claim 9, characterized in that: A plurality of groups of air outlet pipes (11) are arranged along the conveying direction of the conveying screening net (3).

Images