Screening machine for tea processing

Abstract

The utility model relates to the technical field of tea processing equipment, and discloses a screening machine for tea processing. The screening machine for tea processing comprises a bottom plate, a first installation frame, a motor, a first limiting frame, a bracket, a conveying belt, a second installation frame, a fan and a ventilation pipe, the first installation frame is installed on the bottom plate, the motor is installed on the first installation frame, the bracket is installed on the bottom plate, and the fan is installed on the bracket. The bracket and the bottom plate are jointly and fixedly connected with a first limiting frame, a conveying belt is rotatably arranged on the first limiting frame, a second mounting frame is mounted on the bottom plate, a fan is mounted on the second mounting frame, a ventilation pipe is fixedly connected to the bracket, and two filter screens are detachably arranged on the left side of the mounting frame. When the fan runs, flowing air is discharged through the filter screen, tea leaves, dust and other impurities are intercepted into the mounting frame by the filter screen, and therefore the situation that screening is affected due to the reverse flow phenomenon caused by the fact that air cannot be discharged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tea processing equipment and discloses a screening machine for tea processing. Background Art

[0002] Tea, made from the leaves and buds of the Camellia sinensis plant, is a common beverage and one of the world's three major beverages. Tea's ingredients, including catechins, cholestenone, caffeine, inositol, folic acid, and pantothenic acid, are beneficial to human health. Tea production involves rolling, drying, and screening.

[0003] Patent authorization publication number CN212468798U discloses a screening machine for tea production and processing, comprising a box body, a feed pipe provided at the upper end of the box body, a feed plate fixed to the inner wall of the box body, sieve plates 1, 2, and 3 provided in the box body, with sieve plate 1 being provided below the feed plate. The above patent, by providing a turning roller and a paddle, can disperse tea leaves that have agglomerated during feeding, facilitating subsequent screening. However, when the exhaust fan is running to remove dust, the air flow generated by the exhaust fan cannot be discharged after the dust is removed, which can easily lead to backflow and affect screening. Utility Model Content

[0004] In order to overcome the shortcomings of the existing patents that when the exhaust fan is running to remove dust, the air flows due to the air flow of the exhaust fan. After the air flow removes the dust, the flowing air cannot be discharged, which easily leads to backflow and affects the screening. The utility model provides a screening machine for tea processing with an anti-backflow function.

[0005] The utility model provides the following technical solution: a screening machine for tea processing, comprising a base plate, a first mounting frame, a motor, a first limiting frame, a bracket, a conveyor belt, a second mounting frame, a fan, a ventilation pipe, a mounting frame, a collection frame and a dust collection box, the first mounting frame is mounted on the base plate, the first mounting frame is mounted on the motor, the bracket is mounted on the base plate, the bracket and the base plate are fixedly connected to the first limiting frame, the conveyor belt is rotatably arranged on the first limiting frame, the output shaft of the motor is connected to the conveyor belt, the second mounting frame is mounted on the base plate, the fan is mounted on the second mounting frame, the ventilation pipe is fixedly connected to the bracket, the ventilation pipe is connected to the air outlet of the fan, the mounting frame is mounted on the base plate, the upper end of the conveyor belt is located inside the mounting frame, a plurality of collection frames are placed on the base plate, a dust collection box is placed on the rear side of the base plate, and a filter is also included, and two filters are detachably arranged on the left side of the mounting frame.

[0006] Furthermore, it also includes a turntable, a belt, a mounting plate and a hammer rack. The turntable is arranged on the output shaft of the motor, two mounting plates are installed on the first limit frame, and the two mounting plates are rotatably provided with a hammer rack. The hammer rack can contact the conveyor belt, and the turntable and the hammer rack are jointly covered with a belt.

[0007] Furthermore, it also includes a second limiting frame, a first guide plate, a third mounting frame, a pushing frame and a clamping block. The second limiting frame is fixedly connected to the front and rear sides of the mounting frame. The first guide plate is rotatably provided on the second limiting frame. The third mounting frame is installed on the front and rear sides. The pushing frame is slidably provided on the third mounting frame. A plurality of grooves are provided on the pushing frame. Two clamping blocks are slidably connected to the third mounting frame, and the clamping blocks are clamped in the grooves.

[0008] Furthermore, a second guide plate is included, and the second guide plate is installed on the left side of the installation frame.

[0009] Furthermore, an elastic member is included, and the elastic member is connected between the second limiting frame and the clamping block.

[0010] Furthermore, a connecting rod is included, and the tops of the two clamping blocks are fixedly connected to the connecting rod.

[0011] Compared with the existing technology, the utility model provides a splash-proof feed processing and crushing device with the following beneficial effects: 1. When the fan is running, the flowing air is discharged through the filter, and impurities such as tea leaves and dust are intercepted by the filter into the installation frame, thereby avoiding the backflow phenomenon caused by the inability to discharge air and affecting screening.

[0012] 2. The hammer frame is driven by a belt to rotate, so that the hammer frame hits the conveyor belt, thereby shaking off the tea leaves accumulated on the conveyor belt, thereby preventing the accumulation of tea leaves from affecting the screening.

[0013] 3. Pull the card block upward so that it no longer limits the push rack, then push the push rack toward each other, squeeze the first guide plate and rotate it inward so that it no longer contacts the collection frame, and then take out the collection frame for replacement, so that the bottom plate can hold collection frames of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the installation frame and filter screen of the utility model.

[0016] Figure 3 It is a schematic three-dimensional cross-sectional structural diagram of the second mounting frame, fan and ventilation pipe of the utility model.

[0017] Figure 4 It is a schematic three-dimensional cross-sectional view of the turntable, belt and mounting plate of the utility model.

[0018] Figure 5 It is a schematic three-dimensional cross-sectional structural diagram of the belt, mounting plate and hammer frame of the utility model.

[0019] Figure 6 It is a schematic three-dimensional cross-sectional structural diagram of the first guide plate, mounting frame and pushing frame of the utility model.

[0020] Figure 7 It is a schematic three-dimensional cross-sectional structure diagram of the clamping block, elastic member and connecting rod of the utility model.

[0021] Figure 8 It is a schematic diagram of the three-dimensional structure of the push frame of the utility model.

[0022] Figure numbers: 1, base plate, 2, first mounting frame, 3, motor, 4, first limiting frame, 5, bracket, 6, conveyor belt, 7, second mounting frame, 8, fan, 9, ventilation duct, 10, mounting frame, 11, filter screen, 12, collection frame, 13, dust collection box, 14, turntable, 15, belt, 16, mounting plate, 17, hammer frame, 18, second limiting frame, 19, first guide plate, 20, third mounting frame, 21, push frame, 22, groove, 23, block, 24, second guide plate, 25, elastic member, 26, connecting rod. DETAILED DESCRIPTION

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

[0024] Example 1: A screening machine for tea processing, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6, including a bottom plate 1, a first mounting frame 2, a motor 3, a first limiting frame 4, a bracket 5, a conveyor belt 6, a second mounting frame 7, a fan 8, a ventilation pipe 9, a mounting frame 10, a collection frame 12 and a dust collection box 13. The first mounting frame 2 is provided on the bottom plate 1 by means of bolt connection, the motor 3 is provided on the first mounting frame 2 by means of bolt connection, the bracket 5 is provided on the bottom plate 1 by means of bolt connection, the bracket 5 and the bottom plate 1 are jointly fixedly connected with the first limiting frame 4, the first limiting frame 4 is rotatably provided with a conveyor belt 6, and the conveyor belt 6 is fixedly connected with a partition to prevent tea from piling up. The output shaft of the motor 3 is connected to the conveyor belt 6 A second mounting bracket 7 is provided on the base plate 1 by means of bolt connection, a fan 8 is provided on the second mounting bracket 7 by means of bolt connection, a ventilation pipe 9 is fixedly connected to the bracket 5, the ventilation pipe 9 is connected to the air outlet of the fan 8, a mounting frame 10 is provided on the base plate 1 by means of bolt connection, the upper end of the conveyor belt 6 is located inside the mounting frame 10, four collecting frames 12 are placed on the base plate 1, a dust box 13 is placed on the rear side of the base plate 1, a second guide plate 24 is provided on the left side of the mounting frame 10 by means of bolt connection, the second guide plate 24 guides dust and other impurities, so that dust and other impurities fall into the dust box 13.

[0025] When the tea leaves need to be screened, the tea leaves are poured onto the conveyor belt 6, and then the motor 3 and the fan 8 are turned on. The output shaft of the motor 3 rotates to drive the conveyor belt 6 to rotate, and the tea leaves are transported upward to the installation frame 10. The fan 8 generates wind force and blows the tea leaves into the installation frame 10. Affected by the weight of the tea leaves themselves, the tea leaves fall into different collection frames 12 from heavy to light, and then the light tea leaves are screened out. At this time, the dust and other impurities carried in the tea leaves will be blown into the dust box 13. When the fan 8 is running, the flowing air is discharged through the filter 11, and the tea leaves, dust and other impurities are intercepted by the filter 11 into the installation frame 10, thereby avoiding the backflow phenomenon caused by the inability to discharge the air and affecting the screening.

[0026] Example 2: Based on Example 1, please refer to Figure 4 and Figure 5 A turntable 14 is provided on the output shaft of the motor 3, and two mounting plates 16 are provided on the first limit frame 4 by bolt connection. A hammer frame 17 is provided on the two mounting plates 16 in a rotating manner. The hammer frame 17 can contact the conveyor belt 6, and the turntable 14 and the hammer frame 17 are jointly covered with a belt 15.

[0027] When the tea leaves are conveyed, the output shaft of the motor 3 rotates to drive the turntable 14 to rotate, and then drives the hammer frame 17 to rotate through the belt 15, so that the hammer frame 17 hits the conveyor belt 6, and then shakes off the tea leaves accumulated on the conveyor belt 6, thereby preventing the accumulation of tea leaves from affecting the screening.

[0028] See also Figure 6 、 Figure 7 and Figure 8 , the front and rear sides of the mounting frame 10 are fixedly connected to the second limit frame 18, and the second limit frame 18 is rotatably provided with a first guide plate 19. The front and rear sides of the mounting frame 10 are provided with a third mounting frame 20 by bolt connection. A push frame 21 is slidably provided on the third mounting frame 20, and a plurality of grooves 22 are opened on the push frame 21. Two blocks 23 are slidably connected to the third mounting frame 20, and the blocks 23 are stuck in the grooves 22. An elastic member 25 is connected between the second limit frame 18 and the blocks 23, so that the blocks 23 can be automatically reset. The tops of the two blocks 23 are fixedly connected with a connecting rod 26. Pulling the connecting rod 26 can pull the two blocks 23 at the same time.

[0029] When it is necessary to replace collection frames 12 of different sizes, pull the block 23 upward so that it no longer limits the push frame 21, and then push the push frame 21 to the side close to each other, squeeze the first guide plate 19 to rotate inward and no longer contact the collection frame 12, and then take out the collection frame 12 for replacement, so that the base plate 1 can place collection frames 12 of different sizes. After placing the new collection frame 12 on the base plate 1, release the push frame 21, and the first guide plate 19 rotates outward to contact the collection frame 12, thereby limiting the collection frame 12, and then push the block 23 downward to get it into the corresponding groove 22, thereby limiting the push frame 21.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening machine for tea processing, comprising a base plate (1), a first mounting frame (2), a motor (3), a first limiting frame (4), a bracket (5), a conveyor belt (6), a second mounting frame (7), a fan (8) and a ventilation pipe (9), wherein the first mounting frame (2) is mounted on the base plate (1), the motor (3) is mounted on the first mounting frame (2), the bracket (5) is mounted on the base plate (1), the bracket (5) and the base plate (1) are fixedly connected to the first limiting frame (4), the conveyor belt (6) is rotatably provided on the first limiting frame (4), the output shaft of the motor (3) is connected to the conveyor belt (6), the second mounting frame (7) is mounted on the base plate (1), A fan (8) is installed on the second mounting frame (7), a ventilation pipe (9) is fixedly connected to the bracket (5), and the ventilation pipe (9) is connected to the air outlet of the fan (8), characterized in that: The utility model also comprises an installation frame (10), a collection frame (12), a dust collection box (13) and a filter screen (11); the installation frame (10) is installed on the bottom plate (1); the upper end of the conveyor belt (6) is located inside the installation frame (10); a plurality of collection frames (12) are placed on the bottom plate (1); a dust collection box (13) is placed on the rear side of the bottom plate (1); and two filter screens (11) are detachably provided on the left side of the installation frame (10).

2. A tea processing screening machine according to claim 1, characterized in that: The invention also includes a turntable (14), a belt (15), a mounting plate (16) and a hammer frame (17). The turntable (14) is arranged on the output shaft of the motor (3). Two mounting plates (16) are mounted on the first limit frame (4). The two mounting plates (16) are rotatably provided with a hammer frame (17). The hammer frame (17) can contact the conveyor belt (6). The turntable (14) and the hammer frame (17) are jointly sleeved with the belt (15).

3. A tea processing screening machine according to claim 1, characterized in that: The invention also comprises a second limiting frame (18), a first guide plate (19), a third mounting frame (20), a push frame (21) and a clamping block (23); the second limiting frame (18) is fixedly connected to the front and rear sides of the mounting frame (10); the first guide plate (19) is rotatably provided on the second limiting frame (18); the third mounting frame (20) is installed on the front and rear sides of the mounting frame (10); a push frame (21) is slidably provided on the third mounting frame (20); a plurality of grooves (22) are provided on the push frame (21); two clamping blocks (23) are slidably connected to the third mounting frame (20); the clamping blocks (23) are clamped in the grooves (22).

4. A tea processing screening machine according to claim 1, characterized in that: It also includes a second guide plate (24), and the second guide plate (24) is installed on the left side of the installation frame (10).

5. A tea processing screening machine according to claim 3, characterized in that: It also includes an elastic member (25), and the elastic member (25) is connected between the second limiting frame (18) and the clamping block (23).

6. A tea processing screening machine according to claim 3, characterized in that: It also includes a connecting rod (26), and the tops of the two clamping blocks (23) are fixedly connected to the connecting rod (26).

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