Processing method and processing equipment of raw dark green tea

Abstract

The invention discloses a processing method and processing equipment of raw dark green tea, and belongs to the field of raw dark green tea processing. The invention relates to a processing method of raw dark green tea. The processing method comprises the following steps: step 1, rolling the upper part of raw dark green tea to be processed in a reverse movement trend; step 2, in the rolling process, pressurizing the raw dark green tea with a force of'light-heavy-light '; 3, applying center gathering force to the raw dark green tea in the rolling process; step 4, discharging the rolled raw dark green tea; the tea rolling device can solve the problems that the tea rolling force control is unstable, the rolling efficiency is low, the rolling quality is low, and residual tea on the rolling disc is inconvenient to clean.

Description

Technical Field

[0001] The invention relates to the technical field of dark tea processing, and in particular to a dark tea processing method and processing equipment. Background Art

[0002] Dark tea is a type of unpressed black tea with thick stripes and broad leaves, dark brown and glossy color, and a layer of fine hairs covering the surface. It can not only be drunk alone, but also be used to make a variety of black tea products, such as Fuzhuan tea and black brick tea. In terms of health benefits, dark tea has the effects of regulating blood sugar, regulating blood pressure and promoting digestion. Its production process includes withering, rolling, piling, re-rolling and drying steps. These processes allow dark tea to retain rich nutrients, such as vitamins, minerals, proteins, amino acids, etc.

[0003] At present, when black tea is rolled, the height of the tea leaves in the rolling barrel is constantly decreasing, making it difficult to stably control the rolling force, which can easily cause the tea leaves to break and crush, affecting the quality of the tea leaves, and the rolling efficiency is low. In addition, during the rolling process, the tea leaves will accumulate on the edge of the rolling plate, causing some tea leaves to be unable to be effectively rolled, which will also affect the overall quality of the tea leaves. At the same time, it is not convenient to clean the tea leaves remaining on the rolling plate, affecting the subsequent use of the rolling equipment. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art of unstable control of tea rolling force, low rolling efficiency, low rolling quality and inconvenience in cleaning tea leaves remaining on the rolling plate, and to propose a black tea processing method and processing equipment.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A method for processing dark tea comprises the following steps:

[0007] Step 1: Roll the upper part of the black tea to be processed in the opposite direction;

[0008] Step 2: During the rolling process, pressurize the dark tea with a "light-heavy-light" force;

[0009] Step 3: Apply central gathering force to the black tea during the rolling process;

[0010] Step 4: Discharge the black tea after rolling.

[0011] A processing equipment for raw black tea comprises a plurality of groups of pillars, wherein a fixing ring is fixedly connected to one side of the pillars close to each other, a driving motor is fixedly connected to one group of the pillars, a kneading disk is rotatably connected to the inside of the fixing ring, a discharge disk is hingedly connected to the center position of the kneading disk, a plurality of groups of ribs are fixedly connected to the kneading disk and the discharge disk, a gear ring is fixedly connected to the side of the kneading disk away from the ribs, wherein the kneading disk is located at the bottom of the fixing ring, and the ribs are arranged in an arc shape.

[0012] In order to facilitate the rolling of tea leaves, preferably, it also includes a crank rotatably connected to the top of the pillar, the end of the crank away from the pillar is rotatably connected to a mounting plate, and a kneading barrel is fixedly connected between multiple groups of the mounting plates, wherein the crank close to the side of the driving motor is connected to the output end of the driving motor, the bottom of the kneading barrel is in contact with the rib, and a driving mechanism is arranged between the pillar and the fixed ring.

[0013] In order to improve the rolling efficiency of tea leaves, the driving mechanism further includes a reciprocating screw rotatably connected between the outer wall of the fixed ring and the pillar close to the side of the driving motor, the reciprocating screw is fixedly connected with a driving gear meshing with the gear ring, the reciprocating screw and the output shaft of the driving motor are fixedly connected with linkage wheels, a belt is sleeved between the two groups of the linkage wheels, a slider is provided on the reciprocating screw, a driving cylinder is fixedly connected between the outer wall of the slider and the pillar, and a plurality of groups of nozzles connected to the driving cylinder are provided on the inner wall of the fixed ring.

[0014] The cam is provided with a plurality of guide wheels, the guide wheels are provided with a plurality of adjusting wheels, the plurality of adjusting wheels are provided with a plurality of adjusting wheels, the plurality of adjusting wheels are provided with a plurality of adjusting wheels, and the plurality of adjusting wheels are provided with a plurality of adjusting wheels.

[0015] In order to facilitate the control of the kneading force of the tea leaves, the boosting mechanism further includes a first spring fixedly connected between the boosting cylinder and the connecting rod, and an air inlet and an exhaust port are provided on the side wall of the boosting cylinder, wherein the air inlet is connected to the outlet end of the driving cylinder through a pipe, and the size of the air inlet is larger than that of the exhaust port.

[0016] In order to improve the stability of the tea kneading force, the limiting mechanism further includes a plurality of groups of slots on the outer wall of the connecting rod, a sliding groove is provided on the side of the lower pressure cylinder close to the slot, a one-way locking block is slidably connected inside the slide groove, a second spring is fixedly connected between the one-way locking block and the slide groove, and an air intake channel and an exhaust channel connected to the slide groove are provided on the side wall of the lower pressure cylinder, wherein the slot is inclined on the side close to the lower pressure cylinder, the one-way locking block matches the slot, the air intake channel and the driving cylinder are connected through a pipeline, and a one-way pressure relief valve is provided inside the air intake channel, and a pneumatic valve is provided inside the exhaust channel.

[0017] In order to facilitate the monitoring of the twisting state of the tea leaves, the positioning mechanism further includes a positioning groove opened at the bottom of the outer wall of the connecting rod, a groove connected to the positioning groove is opened inside the connecting rod, a third spring is fixedly connected to the inside of the groove, and a pressure rod is fixedly connected to one end of the third spring close to the positioning groove, and a connecting tube connected to the groove is arranged between the lower pressure cylinder and the connecting rod, wherein the size of the positioning groove matches the one-way locking block, and the pressure rod is slidably connected to the groove.

[0018] In order to facilitate the discharge of the tea leaves after kneading, it further includes a locking mechanism fixedly connected to the kneading disk on the side close to the discharge disk, the locking mechanism includes a sleeve and a locking piece, the locking piece and the sleeve are sealed and slidably connected, a fourth spring and a control cylinder are fixedly connected between the sleeve and the locking piece, an air intake port is provided on the side wall of the sleeve, wherein the locking piece is inclined on the side away from the kneading disk, the fourth spring is sleeved on the outside of the control cylinder, the air intake port is connected to the air inlet end of the driving cylinder through a pipeline, and a pneumatic valve connected to the connecting pipe is provided inside the air intake port, and the control cylinder is connected to the pneumatic valve in the exhaust channel through a pipeline.

[0019] In order to facilitate the collection of tea leaves, it further includes a receiving tray fixedly connected to the bottom of the fixing ring, the receiving tray is located at the bottom of the discharge tray, and the size of the receiving tray is larger than that of the discharge tray, and the receiving tray is inclined.

[0020] Compared with the prior art, the present invention provides a method and equipment for processing black tea, which have the following beneficial effects:

[0021] 1. The processing method of black tea can drive the rolling disc to rotate synchronously while driving the rolling barrel to rotate through the driving mechanism, which greatly improves the rolling efficiency and effect of the tea leaves. At the same time, it can prevent the tea leaves from accumulating on the edge of the rolling disc during the rolling process, thereby improving the rolling quality of the tea leaves and facilitating the cleaning of the tea leaves remaining on the rolling disc.

[0022] 2. The black tea processing method can stably increase the pressure of the boosting mechanism through the driving mechanism, and roll the tea leaves with a "light-heavy-light" force. Under the action of the limiting mechanism, the rolling force will not be affected by the amount of tea leaves in the rolling barrel, thereby improving the stability of tea rolling, further improving the rolling effect of the tea leaves, and improving the quality of the tea leaves.

[0023] 3. The processing method of the black tea can monitor the amount of tea in the rolling barrel through the positioning mechanism, and delay the driving of the locking mechanism to discharge the tea, which not only improves the intelligence level of the tea rolling equipment, but also improves the tea rolling efficiency.

[0024] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The present invention can overcome the problems of unstable control of the rolling force of tea leaves, low rolling efficiency, low rolling quality, and inconvenience in cleaning the residual tea leaves on the rolling plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of a black tea processing device proposed by the present invention Figure 1 ;

[0026] Figure 2 A schematic diagram of the structure of a black tea processing device proposed by the present invention Figure 2 ;

[0027] Figure 3 This is a schematic diagram of the structure of a fixed ring, a kneading plate and a discharge plate in a black tea processing device proposed by the present invention;

[0028] Figure 4 A kind of black tea processing equipment proposed by the present invention Figure 3 A schematic diagram of a top view structure;

[0029] Figure 5 This is a partial structural schematic diagram of a dark tea processing device proposed by the present invention;

[0030] Figure 6 It is a partial cross-sectional structural schematic diagram of a pressure boosting cylinder, a connecting rod and a pressing cylinder in a black tea processing device proposed by the present invention;

[0031] Figure 7 This is a schematic cross-sectional structure diagram of a locking mechanism in a dark tea processing device proposed by the present invention;

[0032] Figure 8 A kind of black tea processing equipment proposed by the present invention Figure 1 The structural diagram of part A in the figure;

[0033] Fig. 9A kind of black tea processing equipment proposed by the present invention Figure 6 The structural diagram of part B;

[0034] Fig.10 A kind of black tea processing equipment proposed by the present invention Figure 6 Schematic diagram of the structure of part C.

[0035] In the figure: 1, support; 2, driving motor; 3, fixing ring; 4, kneading plate; 5, discharge plate; 6, rib; 7, gear ring; 8, reciprocating screw; 9, driving gear; 10, linkage wheel; 11, belt; 12, slider; 13, driving cylinder; 14, nozzle; 15, crank; 16, mounting plate; 17, kneading barrel; 18, guide cylinder; 19, screw; 20, adjusting shaft; 21, bevel gear set; 22, limit hole; 23, threaded block; 24, support rod; 25, booster cylinder; 251, first spring; 252 , air inlet; 253, exhaust port; 26, connecting rod; 261, slot; 262, slide; 263, one-way locking block; 264, second spring; 265, air inlet channel; 266, exhaust channel; 27, lower pressure cylinder; 271, positioning groove; 272, groove; 273, third spring; 274, pressure rod; 275, connecting pipe; 28, pressure cover; 29, locking mechanism; 291, sleeve; 292, locking piece; 293, fourth spring; 294, control cylinder; 295, air inlet; 30, receiving tray. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] Embodiment 1:

[0039] A method for processing dark tea comprises the following steps:

[0040] Step 1: Roll the upper part of the black tea to be processed in the opposite direction;

[0041] Step 2: During the rolling process, pressurize the dark tea with a "light-heavy-light" force;

[0042] Step 3: Apply central gathering force to the black tea during the rolling process;

[0043] Step 4: Discharge the black tea after rolling.

[0044] Embodiment 2:

[0045] Reference Figure 1-Figure 10 A black tea processing equipment comprises a plurality of groups of pillars 1, a fixing ring 3 is fixedly connected to one side of the pillars 1 close to each other, a driving motor 2 is fixedly connected to one group of the pillars 1, a kneading disk 4 is rotatably connected inside the fixing ring 3, a discharge disk 5 is hinged at the center of the kneading disk 4, a plurality of groups of ribs 6 are fixedly connected to the kneading disk 4 and the discharge disk 5, a gear ring 7 is fixedly connected to the side of the kneading disk 4 away from the ribs 6, wherein the kneading disk 4 is located at the bottom of the fixing ring 3, and the ribs 6 are arranged in an arc shape.

[0046] It needs to be explained that the discharge plate 5 and the kneading plate 4 are rotatably connected by a hinge, and the specific structure of the ribs 6 can refer to the technical solutions in the prior art. Those skilled in the art can know it and will not go into details here. When the tea leaves are kneaded, the kneading of the tea leaves can be achieved through the friction between the tea leaves and the ribs 6.

[0047] Reference Figure 1-Figure 2 , and also includes a crank 15 rotatably connected to the top of the pillar 1, and the end of the crank 15 away from the pillar 1 is rotatably connected to the mounting plate 16, and a kneading barrel 17 is fixedly connected between multiple groups of mounting plates 16, wherein the crank 15 close to the side of the driving motor 2 is connected to the output end of the driving motor 2, the bottom of the kneading barrel 17 is in contact with the rib 6, and a driving mechanism is arranged between the pillar 1 and the fixed ring 3.

[0048] When the driving motor 2 drives the crank 15 to rotate, it will drive the kneading barrel 17 to rotate on the kneading disk 4. During the kneading process, the tea leaves in the kneading barrel 17 will continuously fall onto the kneading disk 4 through the rolling of the tea leaves, thereby continuously kneading the tea leaves.

[0049] Reference Figure 1 , Figure 2 and Figure 8 The driving mechanism includes a reciprocating screw 8 rotatably connected between the outer wall of the fixed ring 3 and the pillar 1 on the side close to the driving motor 2, and a driving gear 9 meshing with the gear ring 7 is fixedly connected to the reciprocating screw 8. The reciprocating screw 8 and the output shaft of the driving motor 2 are fixedly connected with a linkage wheel 10, and a belt 11 is sleeved between the two sets of linkage wheels 10. A slider 12 is arranged on the reciprocating screw 8, and a driving cylinder 13 is fixedly connected between the outer wall of the slider 12 and the pillar 1. A plurality of nozzles 14 connected with the driving cylinder 13 are arranged on the inner wall of the fixed ring 3.

[0050] When the driving motor 2 drives the kneading barrel 17 to rotate, the reciprocating screw 8 is driven to rotate through the belt 11 and the interlocking wheel 10, thereby driving the driving gear 9 to rotate, and then driving the gear ring 7 and the kneading disk 4 to rotate, so that when the tea leaves are kneaded, the kneading disk 4 and the kneading barrel 17 rotate relative to each other, which can not only improve the kneading efficiency of the tea leaves, but also reduce the rotation speed of the kneading barrel 17, thereby improving the stability of the equipment during operation. During the rotation of the kneading disk 4, the ribs 6 can also be used to transport the tea leaves, reducing the amount of tea leaves moving toward the edge of the kneading disk 4, and under the action of the nozzle 14, the tea leaves are prevented from accumulating at the edge of the kneading disk 4, further improving the kneading effect and efficiency of the tea leaves, and also facilitating the subsequent cleaning of the remaining tea leaves on the kneading disk 4.

[0051] Reference Figure 1 and Figure 5 , also includes a guide cylinder 18 fixedly connected to one of the groups of mounting plates 16, the guide cylinder 18 is rotatably connected with a screw 19 inside, the guide cylinder 18 is rotatably connected with an adjusting shaft 20, a bevel gear set 21 is arranged between the adjusting shaft 20 and the screw 19, a limiting hole 22 is provided on the side wall of the guide cylinder 18, a threaded block 23 penetrating the limiting hole 22 is arranged on the screw 19, a support rod 24 connected with the threaded block 23 is sleeved on the guide cylinder 18, a boosting cylinder 25 is fixedly connected to the support rod 24, a connecting rod 26 is slidably connected to the inside of the boosting cylinder 25, an end of the connecting rod 26 away from the boosting cylinder 25 is slidably connected with a lower pressure cylinder 27, and an end of the lower pressure cylinder 27 away from the connecting rod 26 is fixedly connected with a pressure cover 28, wherein the adjusting shaft 20 is vertically arranged with the screw 19, a boosting mechanism is arranged inside the boosting cylinder 25, a limiting mechanism is arranged between the lower pressure cylinder 27 and the connecting rod 26, and a positioning mechanism is arranged on the side of the connecting rod 26 close to the lower pressure cylinder 27.

[0052] When adding tea leaves into the kneading barrel 17, the adjusting shaft 20 is rotated, and the screw 19 is driven to rotate under the action of the bevel gear set 21, so as to adjust the height of the threaded block 23 and the support rod 24. After the tea leaves are added, the adjusting shaft 20 is rotated in the opposite direction to make most of the connecting rod 26 shrink in the lower pressing cylinder 27. During the kneading process, as the amount of tea leaves in the kneading barrel 17 decreases, the pressure cover 28 will gradually descend under the action of its own gravity.

[0053] Reference Figure 5-Figure 6 The boosting mechanism includes a first spring 251 fixedly connected between the boosting cylinder 25 and the connecting rod 26. An air inlet 252 and an exhaust port 253 are provided on the side wall of the boosting cylinder 25. The air inlet 252 is connected to the outlet end of the driving cylinder 13 through a pipeline, and the size of the air inlet 252 is larger than that of the exhaust port 253.

[0054] During the rolling process of the tea leaves, the driving cylinder 13 intermittently compresses the gas and delivers part of the gas to the boost cylinder 25. Since the size of the exhaust port 253 is smaller than the size of the air inlet 252, the air pressure in the boost cylinder 25 is continuously increased, thereby driving the connecting rod 26 to extend outward, thereby increasing the rolling force on the tea leaves, and the rolling force is relatively stable. When the driving cylinder 13 is in the intake state, the gas in the boost cylinder 25 is gradually discharged through the exhaust port 253, reducing the rolling force of the tea leaves, so that the tea leaves are rolled with a "light-heavy-light" force, thereby improving the rolling quality of the tea leaves.

[0055] Reference Figure 6 and Fig. 9 The limiting mechanism includes a plurality of groups of slots 261 formed on the outer wall of the connecting rod 26, a slide groove 262 is formed on the side of the lower pressure cylinder 27 close to the slot 261, a one-way locking block 263 is slidably connected inside the slide groove 262, a second spring 264 is fixedly connected between the one-way locking block 263 and the slide groove 262, an air intake channel 265 and an exhaust channel 266 connected to the slide groove 262 are formed on the side wall of the lower pressure cylinder 27, wherein the slot 261 is inclined on the side close to the lower pressure cylinder 27, the one-way locking block 263 matches the slot 261, the air intake channel 265 is connected to the driving cylinder 13 through a pipeline, a one-way pressure relief valve is provided inside the air intake channel 265, and a pneumatic valve is provided inside the exhaust channel 266.

[0056] When the cylinder 13 is driven to compress the gas, part of the gas enters the interior of the slide groove 262 through the air intake channel 265, driving the one-way locking block 263 to move toward the side of the slot 261. It should be explained that since a one-way pressure relief valve is provided inside the air intake channel 265, the slide groove 262 always maintains a certain air pressure, that is, it can drive the one-way locking block 263 to move into the slot 261, and under the action of gravity of the pressure cover 28, it can also drive the one-way locking block 263 to disengage from the slot 261, thereby realizing the descent of the lower pressure cylinder 27, but it cannot move in the opposite direction, that is, when the amount of tea in the kneading barrel 17 decreases, the pressure cover 28 moves downward accordingly, but when pressurized, the connecting rod 26 drives the lower pressure cylinder 27 to move downward synchronously, thereby realizing the pressurization of the tea leaves during kneading and ensuring the stability of the pressurization.

[0057] Reference Figure 6 and Fig.10The positioning mechanism includes a positioning groove 271 opened at the bottom of the outer wall of the connecting rod 26, a groove 272 connected to the positioning groove 271 is opened inside the connecting rod 26, a third spring 273 is fixedly connected inside the groove 272, and a pressure rod 274 is fixedly connected to one end of the third spring 273 close to the positioning groove 271, and a connecting tube 275 connected to the groove 272 is arranged between the lower pressure cylinder 27 and the connecting rod 26, wherein the size of the positioning groove 271 matches the one-way locking block 263, and the pressure rod 274 is slidably connected to the groove 272.

[0058] When the tea leaves in the kneading barrel 17 completely fall onto the kneading disk 4 , the one-way locking block 263 moves into the positioning groove 271 , compresses the groove 272 through the pressure rod 274 , and transmits the compressed gas, thereby monitoring the amount of tea leaves in the kneading barrel 17 .

[0059] Reference Figure 2 , Figure 4 and Figure 7 , and also includes a locking mechanism 29 fixedly connected to the side of the kneading disk 4 near the discharge disk 5, the locking mechanism 29 includes a sleeve 291 and a locking member 292, the locking member 292 and the sleeve 291 are sealed and slidably connected, a fourth spring 293 and a control cylinder 294 are fixedly connected between the sleeve 291 and the locking member 292, and an air suction port 295 is opened on the side wall of the sleeve 291, wherein the locking member 292 is inclined away from the kneading disk 4, and the fourth spring 293 is sleeved on the control cylinder 294. The outside of the air control cylinder 294, the air intake port 295 is connected to the air inlet end of the driving cylinder 13 through a pipeline, and the inside of the air intake port 295 is provided with a pneumatic valve connected to the connecting pipe 275, the control cylinder 294 and the pneumatic valve in the exhaust channel 266 are connected through a pipeline, and also includes a receiving tray 30 fixedly connected to the bottom of the fixing ring 3, the receiving tray 30 is located at the bottom of the discharge tray 5, and the size of the receiving tray 30 is larger than the size of the discharge tray 5, and the receiving tray 30 is inclined.

[0060] After the tea leaves in the kneading barrel 17 completely fall onto the kneading disk 4, the pneumatic valve in the air intake port 295 is in an open state. When the driving cylinder 13 is extended, the gas in the sleeve 291 is extracted through the air intake port 295, and, initially, under the action of the fourth spring 293, the locking member 292 will not be driven to move. When the gas in the sleeve 291 drops to a threshold value, the driving cylinder 13 is extended again to drive the locking member 292 to move into the sleeve 291, thereby realizing the delayed opening of the discharge disk 5 to ensure that the last kneaded tea leaves can meet the kneading standard. When the locking member 292 is disengaged from the discharge disk 5, the discharge disk 5 rotates downward under the action of its own gravity. As the kneading disk 4 and the kneading barrel 17 continue to rotate and under the action of the nozzle 14, the kneaded tea leaves can fall onto the receiving disk 30 through the discharge disk 5. The staff can collect the tea leaves through the bottom of the receiving disk 30, thereby completing the kneading of the tea leaves.

[0061] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A method for processing dark tea, characterized in that: The steps include: Step 1: Roll the upper part of the black tea to be processed in the opposite direction; Step 2: During the rolling process, pressurize the dark tea with a "light-heavy-light" force; Step 3: Apply central gathering force to the black tea during the rolling process; Step 4: Discharge the black tea after rolling.

2. A dark tea processing device, using the dark tea processing method according to claim 1, characterized in that: The invention comprises a plurality of groups of pillars (1), wherein a fixing ring (3) is fixedly connected to one side of the pillars (1) close to each other, wherein a driving motor (2) is fixedly connected to one group of the pillars (1), a kneading disk (4) is rotatably connected to the inside of the fixing ring (3), a discharge disk (5) is hingedly connected to the center of the kneading disk (4), a plurality of groups of ribs (6) are fixedly connected to the kneading disk (4) and the discharge disk (5), and a gear ring (7) is fixedly connected to the side of the kneading disk (4) away from the ribs (6). Wherein, the kneading disk (4) is located at the bottom of the fixing ring (3), and the ribs (6) are arranged in an arc shape.

3. The dark tea processing equipment according to claim 2, characterized in that: It also includes a crank (15) rotatably connected to the top of the pillar (1), the end of the crank (15) away from the pillar (1) is rotatably connected to a mounting plate (16), and a plurality of groups of the mounting plates (16) are fixedly connected to a kneading barrel (17). The crank (15) close to the side of the driving motor (2) is connected to the output end of the driving motor (2), the bottom of the kneading barrel (17) is in contact with the rib (6), and a driving mechanism is provided between the support (1) and the fixing ring (3).

4. The dark tea processing equipment according to claim 3, characterized in that: The driving mechanism comprises a reciprocating screw (8) rotatably connected between the outer wall of a fixed ring (3) and a support (1) on a side close to a driving motor (2); a driving gear (9) meshing with a gear ring (7) is fixedly connected to the reciprocating screw (8); a linkage wheel (10) is fixedly connected to the reciprocating screw (8) and the output shaft of the driving motor (2); a belt (11) is sleeved between two groups of the linkage wheels (10); a slider (12) is arranged on the reciprocating screw (8); a driving cylinder (13) is fixedly connected between the outer wall of the slider (12) and the support (1); and a plurality of nozzles (14) connected to the driving cylinder (13) are arranged on the inner wall of the fixed ring (3).

5. The dark tea processing equipment according to claim 4, characterized in that: The invention also comprises a guide cylinder (18) fixedly connected to one of the mounting plates (16); a screw rod (19) is rotatably connected to the inside of the guide cylinder (18); an adjusting shaft (20) is rotatably connected to the guide cylinder (18); a bevel gear set (21) is arranged between the adjusting shaft (20) and the screw rod (19); a limiting hole (22) is arranged on the side wall of the guide cylinder (18); and a threaded hole (22) is arranged on the screw rod (19) to penetrate the limiting hole (22). The guide cylinder (18) is sleeved with a support rod (24) connected to the threaded block (23), the support rod (24) is fixedly connected with a boost cylinder (25), the boost cylinder (25) is slidably connected with a connecting rod (26) inside, the connecting rod (26) is slidably connected with a lower pressure cylinder (27) at one end away from the boost cylinder (25), and the lower pressure cylinder (27) is fixedly connected with a pressure cover (28) at one end away from the connecting rod (26). The adjusting shaft (20) and the screw rod (19) are arranged vertically, a boosting mechanism is arranged inside the boosting cylinder (25), a limiting mechanism is arranged between the lower pressure cylinder (27) and the connecting rod (26), and a positioning mechanism is arranged on the side of the connecting rod (26) close to the lower pressure cylinder (27).

6. The dark tea processing equipment according to claim 5, characterized in that: The boost mechanism comprises a first spring (251) fixedly connected between a boost cylinder (25) and a connecting rod (26); an air inlet (252) and an air outlet (253) are provided on a side wall of the boost cylinder (25); The air inlet (252) is connected to the outlet end of the driving cylinder (13) via a pipeline, and the size of the air inlet (252) is larger than the size of the exhaust port (253).

7. The dark tea processing equipment according to claim 5, characterized in that: The limiting mechanism comprises a plurality of groups of slots (261) formed on the outer wall of the connecting rod (26); a slide groove (262) is formed on one side of the lower pressure cylinder (27) close to the slot (261); a one-way locking block (263) is slidably connected inside the slide groove (262); a second spring (264) is fixedly connected between the one-way locking block (263) and the slide groove (262); an air intake channel (265) and an air exhaust channel (266) connected to the slide groove (262) are formed on the side wall of the lower pressure cylinder (27); The slot (261) is inclined on one side close to the lower pressure cylinder (27), the one-way locking block (263) matches the slot (261), the air intake channel (265) is connected to the driving cylinder (13) through a pipeline, a one-way pressure relief valve is arranged inside the air intake channel (265), and a pneumatic valve is arranged inside the exhaust channel (266).

8. The dark tea processing equipment according to claim 7, characterized in that: The positioning mechanism comprises a positioning groove (271) provided at the bottom of the outer wall of the connecting rod (26); a groove (272) connected to the positioning groove (271) is provided inside the connecting rod (26); a third spring (273) is fixedly connected inside the groove (272); a pressure rod (274) is fixedly connected to one end of the third spring (273) close to the positioning groove (271); a connecting pipe (275) connected to the groove (272) is provided between the lower pressure cylinder (27) and the connecting rod (26); The size of the positioning groove (271) matches that of the one-way locking block (263), and the pressure rod (274) is slidably connected to the groove (272).

9. The dark tea processing equipment according to claim 8, characterized in that: The invention also comprises a locking mechanism (29) fixedly connected to the side of the kneading disk (4) close to the discharge disk (5), the locking mechanism (29) comprising a sleeve (291) and a locking member (292), the locking member (292) and the sleeve (291) being sealed and slidably connected, a fourth spring (293) and a control cylinder (294) being fixedly connected between the sleeve (291) and the locking member (292), an air intake port (295) being provided on the side wall of the sleeve (291), In which, the locking member (292) is inclined away from the kneading disk (4), the fourth spring (293) is sleeved on the outside of the control cylinder (294), the air intake port (295) is connected to the air inlet end of the driving cylinder (13) through a pipeline, and a pneumatic valve connected to the connecting pipe (275) is provided inside the air intake port (295), and the control cylinder (294) is connected to the pneumatic valve in the exhaust channel (266) through a pipeline.

10. The dark tea processing equipment according to claim 2, characterized in that: It also comprises a receiving tray (30) fixedly connected to the bottom of the fixing ring (3), the receiving tray (30) being located at the bottom of the discharge tray (5), the size of the receiving tray (30) being larger than the size of the discharge tray (5), and the receiving tray (30) being arranged in an inclined manner.

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