Raw material grinding device for green tea production

Abstract

The utility model belongs to the technical field of green tea production, and particularly relates to a raw material grinding device for green tea production, which comprises a grinding box, the top of the grinding box is fixedly communicated with a feed hopper for feeding green tea raw materials, the outer side of the feed hopper is rotatably connected with an upper grinding disc, and a lower grinding disc is arranged in the grinding box. Arc-shaped grinding grooves are formed in the sides, close to each other, of the upper grinding disc and the lower grinding disc. The green tea raw material grinding device is reasonable in structural design, green tea raw materials can uniformly and smoothly fall between the upper grinding disc and the lower grinding disc through stirring of the stirring piece, the situation that blocking is caused by excessive feeding of the green tea raw materials at a time is avoided, meanwhile, the grinding effect is guaranteed, the screen plate is driven to vibrate up and down through rotation of the cam and cooperation of the spring, and the grinding efficiency is improved. The screening effect and efficiency are improved, it is guaranteed that green tea powder particles are smaller, finer and more uniform, and the quality of the green tea powder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to green tea production technical field especially relates to a raw material grinding device for green tea production. BACKGROUND

[0002] In the green tea production process, sometimes need to use grinding device to green tea raw material grinding operation.

[0003] However, the raw material grinding device for green tea production in the related art still has some deficiencies, which is inconvenient to uniformly and smoothly feed the green tea raw material, resulting in excessive one-time feeding of the green tea raw material, which not only easily causes blockage, but also easily reduces the grinding effect, and it is inconvenient to screen the green tea powder after grinding, resulting in that the green tea powder particles are not fine and the particle sizes are not uniform, thus reducing the quality of the ground green tea powder. Therefore, we propose a raw material grinding device for green tea production to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a raw material grinding device for green tea production to solve the above-mentioned shortcomings.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A raw material grinding device for green tea production, comprising a grinding box, a feed hopper for feeding green tea raw material is fixedly connected to the top of the grinding box, the outer side of the feed hopper is rotatably connected with an upper grinding disc, a lower grinding disc is arranged in the grinding box, arc-shaped grinding grooves are formed on the side of the upper grinding disc and the lower grinding disc that are close to each other, a feeding and grinding mechanism for uniform feeding and grinding is arranged between the upper grinding disc, the grinding box and the feed hopper, a grinding pressure adjusting mechanism is arranged between the grinding box and the lower grinding disc, a screen plate is slidably arranged in the grinding box, a screening mechanism for screening ground green tea powder is arranged between the screen plate and the grinding box, and a controller is fixedly connected to the front side of the grinding box.

[0007] As preferred in the utility model, the grinding pressure adjusting mechanism comprises a cylinder fixedly arranged in the grinding box, a piston rod is fixedly connected to the output shaft of the cylinder, a pressure sensor is fixedly connected to the top end of the piston rod, and the lower grinding disc is fixedly connected to the outer side of the pressure sensor.

[0008] As preferred in the utility model, two fixed rods are fixedly connected to the inner walls of the two sides of the grinding box, and the cylinder is fixedly connected between the two fixed rods.

[0009] As the utility model is preferred, the screening mechanism includes four springs and the drive motor fixedly connected to the front side of the grinding box, the output shaft of the drive motor is fixedly connected with a drive shaft, the outside of the drive shaft is fixedly sleeved with two cams, the two cams are movably abutted on the bottom of the screen plate, and the top ends of the four springs are fixedly connected to the bottom of the screen plate.

[0010] As the utility model is preferred, the two side inner walls of the grinding box are fixedly connected with four ear plates, and the bottom ends of the four springs are fixedly connected to the top of the corresponding ear plate.

[0011] As the utility model is preferred, the feeding and grinding mechanism includes a rotating drum rotatably connected to the rear side of the grinding box, a worm fixedly connected to the rear end of the drive shaft, a vertical shaft rotatably connected to the top inner wall of the grinding box, and an external gear ring fixedly connected to the top of the upper grinding disc, the rear end of the rotating drum is fixedly connected with a pulley two, the rear end of the worm is fixedly connected with a pulley three, the pulley one, the pulley two and the pulley three are drivingly connected with the same belt, the outside of the vertical shaft is fixedly sleeved with a worm wheel and a gear, the worm is engaged with the worm wheel, the gear is engaged with the external gear ring, the outside of the rotating drum is fixedly connected with six toggle plates, and the six toggle plates are located in the feeding hopper.

[0012] As the utility model is preferred, the grinding box is fixedly connected with a partition plate, and the upper grinding disc is rotatably connected in the partition plate through a bearing.

[0013] As the utility model is preferred, one side of the grinding box is fixedly communicated with an upper pipeline, and the other side of the grinding box is fixedly communicated with a lower pipeline at the bottom.

[0014] In the utility model, the green tea raw material can be evenly and smoothly dropped between the upper and lower grinding discs through the toggle of the six toggle plates, the clogging condition caused by the one-time feeding of too much green tea raw material is avoided, the grinding effect is ensured, the green tea raw material can be better ground through the cooperation of the upper and lower grinding discs and the cooperation of the arc-shaped grinding grooves formed in the upper and lower grinding discs, the qualified green tea powder falls and is discharged from the lower pipeline, and the unqualified green tea powder is discharged from the upper pipeline for collection, so as to be poured into the feeding hopper again for secondary grinding, the green tea powder particles are finer and more uniform, the quality of the green tea powder is improved, the up-down vibration of the screen plate is driven through the cooperation of the rotation of the cam and the spring, the screening effect and efficiency are improved, and the clogging condition of the screen plate is avoided.

[0015] The utility model discloses a raw material grinding device for green tea production, according to the different of green tea raw material, start air cylinder, and the air cylinder drives the upper shift of lower mill tray, and then can adjust the pressure of grinding, through pressure sensor, can measure the pressure of grinding, when reaches the requirement, pressure sensor sends signal to controller, and the controller is in the closing air cylinder, and then can according to the different of green tea raw material accurately control the pressure of grinding, guarantee the effect of green tea raw material grinding.

[0016] The utility model discloses reasonable structure design, through the stirring of stirring piece, can make green tea raw material even smoothly fall between upper and lower mill tray, avoid the situation that green tea raw material one -time feeding is too much and leads to the blockage, guarantee the effect of grinding simultaneously, through the rotation of cam and the cooperation of spring, drive the up and down vibration of screen plate, not only improve the effect and efficiency of screening, guarantee that green tea powder particle is smaller and finer, is more uniform, improve the quality of green tea powder. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a raw material grinding device's structural diagram for the utility model proposes a kind of green tea production;

[0018] Figure 2 It is a raw material grinding device's sectional view for the utility model proposes a kind of green tea production;

[0019] Figure 3 It is a local rear view for the utility model proposes a kind of green tea production's raw material grinding device;

[0020] Figure 4 It is Figure 3 It is a structure schematic diagram for part A of middle;

[0021] Figure 5 It is the perspective drawing of screening mechanism for the utility model proposes a kind of green tea production's raw material grinding device;

[0022] Figure 6 It is the perspective drawing of lower mill tray for the utility model proposes a kind of green tea production's raw material grinding device.

[0023] In the figure: 1, grinding box; 2, feed hopper; 3, screening mechanism; 4, upper pipe; 5, lower pipe; 6, controller; 7, lower grinding disc; 8, upper grinding disc; 9, feeding and grinding mechanism; 10, partition; 11, grinding pressure adjusting mechanism; 31, driving motor; 32, driving shaft; 33, cam; 34, screen plate; 35, lug plate; 36, spring; 901, vertical shaft; 902, worm gear; 903, gear; 904, worm; 905, outer gear ring; 906, rotating drum; 907, toggle plate; 908, pulley one; 909, belt; 910, pulley two; 911, pulley three; 111, fixed rod; 112, air cylinder; 113, pressure sensor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] REFERENCE Figures 1-6 A raw material grinding device for green tea production, comprising a grinding box 1, a feed hopper 2 for feeding green tea raw materials is fixedly connected to the top of the grinding box 1, an upper grinding disc 8 is rotatably connected to the outer side of the feed hopper 2, a lower grinding disc 7 is arranged in the grinding box 1, arc-shaped grinding grooves are formed in the side of the upper grinding disc 8 and the lower grinding disc 7 that are close to each other, a feeding and grinding mechanism 9 for uniform feeding and grinding is arranged between the upper grinding disc 8, the grinding box 1 and the feed hopper 2, a grinding pressure adjusting mechanism 11 is arranged between the grinding box 1 and the lower grinding disc 7, a screen plate 34 is slidably arranged in the grinding box 1, a screening mechanism 3 for screening ground green tea powder is arranged between the screen plate 34 and the grinding box 1, and a controller 6 is fixedly connected to the front side of the grinding box 1.

[0026] Further to the utility model, the grinding pressure adjusting mechanism 11 comprises an air cylinder 112 fixedly arranged in the grinding box 1, a piston rod is fixedly connected to the output shaft of the air cylinder 112, a pressure sensor 113 is fixedly connected to the top end of the piston rod, and the lower grinding disc 7 is fixedly connected to the outer side of the pressure sensor 113.

[0027] The above scheme has the following advantages: according to different green tea raw materials, the air cylinder 112 is started, the air cylinder 112 drives the upward movement of the lower grinding disc 7, thereby the grinding pressure can be adjusted, the grinding pressure can be measured through the pressure sensor 113, when the requirement is reached, the pressure sensor 113 sends a signal to the controller 6, the controller 6 closes the air cylinder 112, thereby the grinding pressure can be accurately controlled according to different green tea raw materials, and the grinding effect of the green tea raw materials is ensured.

[0028] As a further further of the utility model, two fixed rods 111 are fixedly connected on the two side inner walls of the grinding box 1, and a cylinder 112 is fixedly connected between the two fixed rods 111, so that the cylinder 112 can be supported and fixed.

[0029] As a further further of the utility model, the screening mechanism 3 comprises four springs 36 and a driving motor 31 fixedly connected to the front side of the grinding box 1, a driving shaft 32 is fixedly connected to the output shaft of the driving motor 31, two cams 33 are fixedly sleeved on the outer side of the driving shaft 32, the two cams 33 are movably abutted on the bottom of a screen plate 34, and the top ends of the four springs 36 are fixedly connected to the bottom of the screen plate 34.

[0030] The above scheme has the advantages that: the rotation of the driving shaft 32 is driven by the driving motor 31, the rotation of the two cams 33 is driven by the driving shaft 32, the up-down vibration of the screen plate 34 is driven through the rotation of the cam 33 and the cooperation of the spring 36, the screening effect and efficiency are improved, and the clogging of the screen plate 34 is avoided.

[0031] As a further further of the utility model, four ear plates 35 are fixedly connected to the two side inner walls of the grinding box 1, and the bottom ends of the four springs 36 are fixedly connected to the top portions of the corresponding ear plates 35, so that the springs 36 can be supported and fixed.

[0032] As a further further of the utility model, the feeding and grinding mechanism 9 comprises a rotating drum 906 and a worm 904 rotatably connected to the rear side of the grinding box 1, a pulley one 908 fixedly connected to the rear end of the driving shaft 32, a vertical shaft 901 rotatably connected to the top inner wall of the grinding box 1, and an external tooth ring 905 fixedly connected to the top of the upper grinding disc 8, the rear end of the rotating drum 906 is fixedly connected with a pulley two 910, the rear end of the worm 904 is fixedly connected with a pulley three 911, the same belt 909 is drivingly connected to the pulley one 908, the pulley two 910 and the pulley three 911, the outer side of the vertical shaft 901 is fixedly sleeved with a worm wheel 902 and a gear 903, the worm 904 is engaged with the worm wheel 902, the gear 903 is engaged with the external tooth ring 905, the outer side of the rotating drum 906 is fixedly connected with six toggle plates 907, and the six toggle plates 907 are located in the feeding hopper 2.

[0033] Adopting the above scheme: through the rotation of the driving shaft 32, the rotation of the rotating drum 906, the six poking pieces 907 and the worm 904 is driven through the transmission of the pulley one 908, the belt 909, the pulley two 910 and the pulley three 911, the green tea raw materials can be uniformly and smoothly dropped between the upper and lower grinding discs through the poking of the six poking pieces 907, the situation that the green tea raw materials are blocked due to one-time excessive feeding is avoided, and the grinding effect is ensured, the worm 904 drives the rotation of the worm wheel 902, the vertical shaft 901 and the gear 903, the gear 903 drives the rotation of the outer tooth ring 905 and the upper grinding disc 8, the cooperation of the upper and lower grinding discs and the cooperation of the arc-shaped grinding grooves formed in the upper and lower grinding discs can better grind the green tea raw materials.

[0034] As a further aspect of the present application, the grinding box 1 is fixedly connected with a partition plate 10, and the upper grinding disc 8 is rotatably connected in the partition plate 10, which not only supports the upper grinding disc 8 and makes its rotation more stable, but also seals the upper grinding disc 8 of the grinding box 1 above, avoiding the green tea powder from entering the upper part and affecting the normal operation of the feeding and grinding mechanism 9.

[0035] As a further aspect of the present application, the grinding box 1 is fixedly connected with a partition plate 10, and the upper grinding disc 8 is rotatably connected in the partition plate 10, which not only supports the upper grinding disc 8 and makes its rotation more stable, but also seals the upper grinding disc 8 of the grinding box 1 above, avoiding the green tea powder from entering the upper part and affecting the normal operation of the feeding and grinding mechanism 9.

[0036] Adopting the above scheme: through the screening of the screen plate 34, the qualified green tea powder falls down and is discharged from the lower pipe 5, and the unqualified green tea powder is discharged from the upper pipe 4 for collection, so as to be poured into the feeding hopper 2 again for secondary grinding, thereby ensuring that the green tea powder particles are finer and more uniform, and improving the quality of the green tea powder.

[0037] The utility model discloses a green tea raw material is poured into the feeding hopper 2 in use, the rotation of driving shaft 32 is driven through the drive motor 31, is driven the rotation of rotary drum 906, six poking piece 907 and worm 904 under the transmission of pulley one 908, belt 909, pulley no. 2 910 and pulley no. 3 911, the poking of six poking piece 907 can make green tea raw material even smoothly fall between upper and lower millstones, avoid the situation that green tea raw material one -time feeding is too much and leads to the blockage, guarantee the effect of grinding simultaneously, worm 904 drives the rotation of worm wheel 902, vertical shaft 901 and gear 903, gear 903 drives the rotation of external tooth ring 905 and upper millstone 8, and the cooperation of upper and lower millstones and the cooperation of the arc grinding groove set up in upper and lower millstones can better grind green tea raw material, and the green tea powder after grinding falls on screen plate 34 from the edge of lower millstone 7, is separated through screen plate 34, and the qualified green tea powder falls and is discharged from lower pipeline 5, and the unqualified green tea powder is discharged from upper pipeline 4 and is collected to pour into the feeding hopper 2 again and carry out secondary grinding, and then ensure that green tea powder particle is finer, is more uniform, improve the quality of green tea powder, the rotation of two cams 33 is driven through driving shaft 32, and the up-and-down vibration of screen plate 34 is driven under the cooperation of the rotation of cam 33 and spring 36, not only improve the effect and efficiency of screening, but also avoid the plugging of screen plate 34.

[0038] In addition, according to the difference of green tea raw material, start air cylinder 112, and the upward movement of lower millstone 7 is driven by air cylinder 112, and then the grinding pressure can be adjusted, the grinding pressure can be measured through pressure sensor 113, when reaching the requirement, pressure sensor 113 sends a signal to controller 6, and controller 6 is closed air cylinder 112, and then the grinding pressure can be accurately controlled according to the difference of green tea raw material, and the grinding effect of green tea raw material is guaranteed.

Claims

1. A raw material grinding device for green tea production, characterized in that: The invention comprises a grinding box (1), wherein the top of the grinding box (1) is fixedly connected to a feed hopper (2) for feeding green tea raw materials, the outer side of the feed hopper (2) is rotatably connected to an upper grinding disc (8), a lower grinding disc (7) is provided in the grinding box (1), and arc-shaped grinding grooves are provided on the sides where the upper grinding disc (8) and the lower grinding disc (7) are close to each other, a feeding and grinding mechanism (9) for uniform feeding and grinding is provided between the upper grinding disc (8), the grinding box (1) and the feed hopper (2), a grinding pressure regulating mechanism (11) is provided between the grinding box (1) and the lower grinding disc (7), a screen plate (34) is slidably provided in the grinding box (1), a screening mechanism (3) for screening the ground green tea powder is provided between the screen plate (34) and the grinding box (1), and a controller (6) is fixedly connected to the front side of the grinding box (1).

2. A raw material grinding device for green tea production according to claim 1, characterized in that: The grinding pressure regulating mechanism (11) comprises a cylinder (112) fixedly arranged in the grinding box (1), a piston rod fixedly connected to the output shaft of the cylinder (112), a pressure sensor (113) fixedly connected to the top end of the piston rod, and the lower grinding disc (7) fixedly connected to the outside of the pressure sensor (113).

3. A raw material grinding device for green tea production according to claim 2, characterized in that: Two fixing rods (111) are fixedly connected to the inner walls on both sides of the grinding box (1), and the cylinder (112) is fixedly connected between the two fixing rods (111).

4. The raw material grinding device for green tea production according to claim 1, characterized in that: The screening mechanism (3) comprises four springs (36) and a driving motor (31) fixedly connected to the front side of the grinding box (1); a driving shaft (32) is fixedly connected to the output shaft of the driving motor (31); two cams (33) are fixedly sleeved on the outer side of the driving shaft (32); the two cams (33) are movably abutted against the bottom of the screen plate (34); and the top ends of the four springs (36) are fixedly connected to the bottom of the screen plate (34).

5. The raw material grinding device for green tea production according to claim 4, characterized in that: Four ear plates (35) are fixedly connected to the inner walls of both sides of the grinding box (1), and the bottom ends of the four springs (36) are respectively fixedly connected to the tops of the corresponding ear plates (35).

6. The raw material grinding device for green tea production according to claim 4, characterized in that: The feeding grinding mechanism (9) includes a rotating drum (906) and a worm (904) rotatably connected to the rear side of the grinding box (1), a pulley 1 (908) fixedly connected to the rear end of the driving shaft (32), a vertical shaft (901) rotatably connected to the inner wall of the top of the grinding box (1), and an outer gear ring (905) fixedly connected to the top of the upper grinding disc (8), the rear end of the rotating drum (906) is fixedly connected to a pulley 2 (910), the rear end of the worm (904) is fixedly connected to a pulley 3 (911), The pulley 1 (908), the pulley 2 (910) and the pulley 3 (911) are connected to each other via a same belt (909); a worm wheel (902) and a gear (903) are provided on the outer fixed sleeve of the vertical shaft (901); the worm (904) is meshed with the worm wheel (902); the gear (903) is meshed with the outer gear ring (905); six toggle plates (907) are fixedly connected to the outer side of the rotating drum (906); and the six toggle plates (907) are all located in the feed hopper (2).

7. The raw material grinding device for green tea production according to claim 1, characterized in that: A partition (10) is fixedly connected inside the grinding box (1), and the upper grinding disc (8) is rotatably connected inside the partition (10) via a bearing.

8. The raw material grinding device for green tea production according to claim 1, characterized in that: One side of the grinding box (1) is fixedly connected to an upper pipe (4), and the bottom of the other side of the grinding box (1) is fixedly connected to a lower pipe (5).

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