Tea leaf crushing device for tea polyphenol extraction

By introducing water cooling and air-filling mechanisms into the tea pulverizing device, combined with the cutting method of oblique toothed corrugated blades and spiral blades, the problems of insufficient tea pulverization and oxidation are solved, achieving efficient fine pulverization of tea and quality protection of tea polyphenols.

CN223873164UActive Publication Date: 2026-02-06JIANGSU AOMAI BIOLOGICAL SCI & TECH CO LTD
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Patent Information

Application Number
CN202520518212.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-06
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Existing tea pulverizing devices for tea polyphenol extraction do not produce finely pulverized tea leaves during the pulverizing process, and are prone to oxidation due to increased temperature, which affects the quality of tea polyphenols.

Method used

A tea pulverizing device for extracting tea polyphenols is adopted, which includes a water cooling mechanism, an air filling mechanism, a pulverizing mechanism, a material conveying mechanism and a transmission mechanism. Argon gas is used to reduce the air content in the inner barrel, and the water cooling mechanism removes heat. Combined with the cutting method of oblique toothed corrugated blades and spiral blades, the tea is prevented from overheating and oxidizing.

Benefits of technology

This process achieves finer tea leaf grinding, avoiding temperature increases and oxidation during the grinding process, thus ensuring the quality and extraction yield of tea polyphenols.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tea leaf treatment, in particular to a tea leaf crushing device for extracting tea polyphenol, which comprises a barrel body, the water cooling mechanism is arranged on the barrel body; the inflating mechanism is used for introducing argon into the barrel body; the crushing mechanism is mounted in the barrel body, and the crushing mechanism comprises a driving assembly, a cutting piece and a scraping piece; the material conveying mechanism is mounted in the barrel body and is used for upturning materials at the bottom; the transmission mechanism is installed between the smashing mechanism and the material conveying mechanism, the stepping motor drives the helical-tooth corrugated blade to rotate to cut tea leaves, the effect of assisting in cutting is achieved through the spiral piece, meanwhile, the spiral piece rotates so that materials at the bottom can be conveyed upwards conveniently, and the tea leaves can be smashed conveniently. Therefore, the helical-tooth corrugated blade can conveniently cut the tea leaves, the tea leaves at the bottom are prevented from being stacked and not cut, and subsequent tea polyphenol extraction is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tea processing technical field, especially a kind of tea polyphenol extraction with tea leaf crushing device. BACKGROUND

[0002] Tea polyphenol is the general term of polyphenol in tea, is white amorphous powder, and the content of tea polyphenol in green tea is higher, accounts for 15%~30% of its mass, when extracting tea polyphenol, tea leaf needs to be crushed, so as to facilitate subsequent extraction of more tea polyphenol, thus a kind of tea polyphenol extraction with tea leaf crushing device needs to be used.

[0003] The existing tea polyphenol extraction with tea leaf crushing device has some deficiencies when in use: when extracting tea polyphenol in tea leaf, tea leaf needs to be crushed to a certain fineness, and tea leaf needs to be prevented from overheating and oxidizing in the crushing process, overheating of blade in the crushing and cutting process can affect the quality of subsequent tea polyphenol, tea leaf particle after crushing is finer, and the contact area with air is greatly increased, at this time, the activity of polyphenol oxidase in tea leaf is enhanced, tea polyphenol (especially catechin substance) is catalyzed to oxidize to generate the products such as theaflavin and thearubigin, to cause the content of free tea polyphenol to drop.

[0004] Therefore, the skilled in the art proposes a kind of tea polyphenol extraction with tea leaf crushing device to solve the problems proposed above. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the present utility model.

[0006] In view of the above or the problem that tea leaf crushing is not fine enough and internal temperature is easy to rise and cause tea leaf oxidation in the crushing process in the prior art, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a kind of tea polyphenol extraction with tea leaf crushing device.

[0008] To solve the above technical problems, the present utility model provides the following technical scheme: a kind of tea polyphenol extraction with tea leaf crushing device, including, barrel body;

[0009] Water cooling mechanism is arranged on the barrel body;

[0010] Aeration mechanism, the aeration mechanism is used to pass into argon in barrel body;

[0011] Crushing mechanism, the crushing mechanism is installed in the inside of barrel body, and the crushing mechanism includes driving assembly, cutting piece and scraping piece.

[0012] A material conveying mechanism is installed inside the barrel body for turning over the bottom material.

[0013] A transmission mechanism is installed between the crushing mechanism and the material conveying mechanism, and the crushing mechanism, the transmission mechanism and the material conveying mechanism share a driving assembly for driving.

[0014] As a preferred scheme of the tea polyphenol extraction tea leaf crushing device, the barrel body comprises an outer barrel and an inner barrel, an annular cavity is left between the inner barrel and the outer barrel, and a feeding pipe is arranged on the surface of the inner barrel.

[0015] As a preferred scheme of the tea polyphenol extraction tea leaf crushing device, installation openings one and two are respectively formed in positions close to the bottom of the outer wall of the outer barrel and the inner barrel, a door plate is arranged on the inner wall of the installation opening two, and a baffle is arranged on the inner wall of the side opposite to the outer barrel and the inner barrel and close to both sides of the door plate.

[0016] As a preferred scheme of the tea polyphenol extraction tea leaf crushing device, the water cooling mechanism comprises a water tank, the water tank is installed on the outer wall of the outer barrel, a refrigerator is installed on the outer wall of the water tank, the same spiral-shaped elbow pipe is installed on the upper end and the lower end of the water tank, the spiral-shaped elbow pipe is located in the annular cavity of the inner barrel and the outer barrel, and the spiral-shaped elbow pipe is wound on the circumferential outer wall of the inner barrel.

[0017] As a preferred scheme of the tea polyphenol extraction tea leaf crushing device, the air charging mechanism comprises a pump body, the pump body is installed on the surface of the inner barrel, an exhaust pipe is arranged at one end of the pump body, one end of the exhaust pipe leads to the inside of the inner barrel, and an argon tank is arranged at the other end of the pump body.

[0018] As a preferred scheme of the tea polyphenol extraction tea leaf crushing device, the driving assembly comprises a stepping motor, the stepping motor is installed at the center of the inner wall of the top of the inner barrel, a transmission shaft is installed at the bottom end of the output shaft of the stepping motor, the number of the cutting pieces is multiple, the cutting pieces are installed on the circumferential outer wall of the transmission shaft, and the material scraping piece is installed at one end of the transmission shaft.

[0019] As a preferred scheme of the tea polyphenol extraction tea leaf crushing device, the cutting piece comprises a connecting rod, the connecting rod is installed on the outer wall of the transmission shaft, and a plurality of oblique tooth corrugated blades are arranged on the circumferential outer wall of the connecting rod.

[0020] As an optimal scheme of the tea polyphenol extraction tea leaf crushing device, the scraping member is a scraper, one end of the scraper is attached to the inner wall of the side of the inner barrel, and the bottom of the scraper is attached to the inner wall of the bottom of the inner barrel.

[0021] As an optimal scheme of the tea polyphenol extraction tea leaf crushing device, the number of the material conveying mechanisms is two, the material conveying mechanisms are located on both sides of the transmission shaft close to the inner wall of the inner barrel, the material conveying mechanism comprises a shaft rod fixing seat, a connecting shaft is rotatably inserted into the shaft rod fixing seat, and helical blades are sleeved on the circumferential outer wall of the connecting shaft.

[0022] As an optimal scheme of the tea polyphenol extraction tea leaf crushing device, the transmission mechanism comprises a sleeve, two driving wheels and two transmission wheels, the sleeve is sleeved on the circumferential outer wall of the transmission shaft, the two driving wheels are sleeved on the outer wall of the sleeve, the two transmission wheels are respectively sleeved on the outer walls of the two connecting shafts, and the same belt is sleeved on the outer walls of the driving wheels and the corresponding transmission wheels.

[0023] The tea polyphenol extraction tea leaf crushing device has the following beneficial effects: the device is driven by the stepping motor to rotate the oblique toothed corrugated blade to cut the tea leaves, and the helical blades on both sides have the effect of auxiliary cutting, and the rotation of the helical blades facilitates the upward conveying of the bottom material, so that the tea leaves are cut by the oblique toothed corrugated blade, the bottom tea leaves are not cut due to accumulation, the tea leaves are cut more finely, the subsequent extraction of tea polyphenol is facilitated, the water cooling mechanism is started during the cutting process, the heat inside the inner barrel is taken away through the spiral outer pipe, so that the internal temperature is prevented from rising to affect the quality of tea polyphenol, argon is injected into the inner barrel through the pump body to reduce the air content inside the inner barrel, so that the tea polyphenol content is prevented from being reduced due to oxidation after the tea leaves are crushed, and the subsequent extraction amount of tea polyphenol is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor. Among them:

[0025] Figure 1 It is a whole structure schematic view of a tea polyphenol extraction tea leaf crushing device.

[0026] Figure 2 It is an inner side structure schematic view of an outer barrel of a tea polyphenol extraction tea leaf crushing device.

[0027] Figure 3It is an inner cylinder internal structure schematic view of a tea leaf crushing device for tea polyphenol extraction.

[0028] Figure 4 It is another angle structure schematic view. Figure 3

[0029] Figure 5 It is a transmission mechanism structure schematic view of a tea leaf crushing device for tea polyphenol extraction.

[0030] Figure 6 It is a crushing assembly structure schematic view of a tea leaf crushing device for tea polyphenol extraction. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0032] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0033] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0034] Embodiment 1

[0035] Referring to Figures 1 to 4 The first embodiment of the present application provides a tea leaf crushing device for tea polyphenol extraction, which can achieve finer cutting of tea leaves and reduce the temperature effect in the barrel during crushing of tea leaves, which comprises a barrel body 100;

[0036] A water cooling mechanism 200 is arranged on the barrel body 100;

[0037] An inflation mechanism 300 is arranged on the barrel body 100, which is used to introduce argon into the barrel body 100;

[0038] A crushing mechanism 400 is installed inside the barrel body 100, and the crushing mechanism 400 comprises a driving assembly, a cutting member and a material scraping member;

[0039] A material conveying mechanism 600 is installed inside the barrel body 100, which is used to turn over the material at the bottom; and ​

[0040] The transmission mechanism 500 is installed between the crushing mechanism 400 and the material conveying mechanism 600, and the crushing mechanism 400, the transmission mechanism 500 and the material conveying mechanism 600 share a driving assembly for driving.

[0041] Specifically, the barrel 100 comprises an outer barrel 101 and an inner barrel 102, and an annular cavity is left between the inner barrel 102 and the outer barrel 101, and the surface of the inner barrel 102 is provided with a feeding pipe 103.

[0042] Further, the outer barrel 101 and the inner barrel 102 are respectively provided with mounting holes one and two at positions close to the bottom of the outer wall, the inner wall of the mounting hole two is provided with a door plate 104, and the inner wall of the opposite side of the outer barrel 101 and the inner barrel 102 close to the two sides of the door plate 104 is provided with a baffle 105.

[0043] In use, tea leaves are poured into the inner barrel 102 through the feeding pipe 103, and then argon is injected into the inner barrel 102 through the inflation mechanism 300 to reduce the air content, and then the crushing mechanism 400 is started to crush the tea leaves, and at the same time the transmission mechanism 500 and the material conveying mechanism 600 are driven to work, and then the water cooling mechanism 200 is started to timely take away the heat generated in the inner barrel 102 during the crushing work of the tea leaves, so as to facilitate the cutting of the tea leaves to be more fine and avoid the excessive oxidation of the tea leaves, and after the crushing work is completed, the door plate 104 is opened, and then the fine tea leaves in the inner barrel 102 are taken out, facilitating the subsequent extraction of tea polyphenols in the tea leaves.

[0044] Example 2

[0045] Reference Figures 1 to 3 The second embodiment of the utility model is different from the previous embodiment, and the water cooling mechanism 200 comprises a water tank 201, the water tank 201 is installed on the outer wall of the outer barrel 101, the outer wall of the water tank 201 is installed with a refrigerator 202, the upper and lower ends of the water tank 201 are installed with the same spiral bent pipe 203, the spiral bent pipe 203 is located in the annular cavity of the inner barrel 102 and the outer barrel 101, and the spiral bent pipe 203 is wound on the circumferential outer wall of the inner barrel 102.

[0046] The water tank 201 stores liquid refrigerant, the temperature of the liquid refrigerant is reduced by the refrigerator 202, and then the liquid refrigerant is delivered to the spiral bent pipe 203 by the built-in water pump, the heat in the inner barrel 102 is driven in the delivery process, and then it is sent back to the water tank 201, forming a water cooling cycle, and then the heat generated in the inner barrel 102 during the work is continuously taken away.

[0047] Further, the inflating mechanism 300 comprises a pump body 301 installed on the surface of the inner barrel 102, one end of the pump body 301 is provided with an exhaust pipe 302, one end of the exhaust pipe 302 leads to the inside of the inner barrel 102, and the other end of the pump body 301 is provided with an argon tank.

[0048] In use, the pump body 301 is started, and argon is introduced into the inner barrel 102 through the exhaust pipe 302, so as to reduce the content of air in the inner barrel 102, and avoid that the crushed tea is too much to contact air and oxidize.

[0049] Embodiment 3

[0050] Referring to Figure 1 , Figures 3 to 6 The third embodiment of the utility model is different from the previous embodiment, and the driving assembly comprises a stepping motor 401, the stepping motor 401 is installed at the center of the inner wall of the top of the inner barrel 102, a transmission shaft 402 is installed at the bottom end of the output shaft of the stepping motor 401, the number of cutting pieces is multiple, the cutting pieces are installed on the circumferential outer wall of the transmission shaft 402, and the scraping piece is installed at one end of the transmission shaft 402.

[0051] Further, the cutting piece comprises a connecting rod 403, the connecting rod 403 is installed on the outer wall of the transmission shaft 402, and a plurality of oblique tooth corrugated blades 405 are arranged on the circumferential outer wall of the connecting rod 403.

[0052] The stepping motor 401 is started, the transmission shaft 402 is driven to rotate, and then the rotation of the connecting rod 403 and the oblique tooth corrugated blade 405 is driven, so that the tea is cut, the tea is crushed, and the tea polyphenols in the tea are extracted.

[0053] Further, the scraping piece is a scraper 404, one end of the scraper 404 is attached to the side inner wall of the inner barrel 102, and the bottom of the scraper 404 is attached to the bottom inner wall of the inner barrel 102.

[0054] After the stepping motor 401 is started, the scraper 404 at the bottom is driven to rotate, the tea attached to the bottom inner wall of the inner barrel 102 is scraped, the accumulation of the tea at the bottom is reduced, and the tea is uniformly crushed.

[0055] Further, the number of the material conveying mechanisms 600 is two, the material conveying mechanisms 600 are located at the positions close to the inner wall of the inner barrel 102 on both sides of the transmission shaft 402, and the material conveying mechanism 600 comprises a shaft rod fixing seat 602.

[0056] Further, the transmission mechanism 500 comprises a sleeve 501, two driving wheels 502 and two transmission wheels 503, the sleeve 501 is sleeved on the circumferential outer wall of the transmission shaft 402, the two driving wheels 502 are sleeved on the outer wall of the sleeve 501, and the two transmission wheels 503 are respectively sleeved on the outer walls of the two connecting shafts 601, and the outer walls of the driving wheel 502 and the corresponding transmission wheel 503 are sleeved with the same belt 504.

[0057] In use, after the step motor 401 is started, the rotation of the helical blade 603 is driven by the driving wheel 502 and the transmission wheel 503, the helical blade 603 plays a cutting effect, and at the same time, the tea leaves at the bottom are transported upward, and then are discharged to the middle of the inner barrel 102, so as to facilitate the secondary cutting by the oblique toothed corrugated blade 405, thereby facilitating the cutting of the tea leaves to be more fine.

[0058] In summary, the tea polyphenol extraction tea leaf crushing device can avoid internal temperature rise during work, and continuously introduce argon into the interior, so as to facilitate the protection of tea leaves from oxidation, thereby facilitating the extraction of more tea polyphenols from the tea leaves.

[0059] It should be understood that, in the development of any actual implementation, numerous implementation-specific decisions can be made. Such development efforts, while possibly complex and time-consuming, would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure, without undue experimentation.

[0060] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, but not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalent, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A tea leaf crushing device for tea polyphenol extraction, characterized by: The utility model relates to a kind of argon gas atomizing pulverizer, including, Barrel (100); Water cooling mechanism (200) is set on the barrel (100); Aeration mechanism (300) is used to pass into argon in barrel (100); Pulverizing mechanism (400) is installed in the inside of barrel (100), and the pulverizing mechanism (400) includes drive assembly, cutting piece and scraping material piece; Material conveying mechanism (600) is installed in the inside of barrel (100), for the material on bottom material is turned up;And, Transmission mechanism (500) is installed between pulverizing mechanism (400) and material conveying mechanism (600), and the pulverizing mechanism (400), transmission mechanism (500) and material conveying mechanism (600) share a drive assembly to drive.

2. The tea pulverizing device for tea polyphenol extraction according to claim 1, characterized by: The barrel (100) includes outer barrel (101) and inner barrel (102), annular cavity is left between the inner barrel (102) and outer barrel (101), and the surface of the inner barrel (102) is provided with feed pipe (103).

3. The tea pulverizing device for tea polyphenol extraction according to claim 2, characterized by: The outer wall of outer barrel (101) and inner barrel (102) is opened with installation port one and installation port two near bottom respectively, the inner wall of installation port two is provided with door plate (104), and the inner wall of opposite side of outer barrel (101) and inner barrel (102) is provided with baffle (105) near both sides of door plate (104).

4. The tea pulverizing device for tea polyphenol extraction according to claim 2, characterized by: The water cooling mechanism (200) includes water tank (201), the water tank (201) is installed on the outer wall of outer barrel (101), the outer wall of water tank (201) is installed with refrigerator (202), the upper and lower ends of water tank (201) are installed with same spiral bend pipe (203), the spiral bend pipe (203) is located in the annular cavity of inner barrel (102) and outer barrel (101), and the spiral bend pipe (203) is around on the circumferential outer wall of inner barrel (102).

5. The tea pulverizing device for tea polyphenol extraction according to claim 2, characterized by: The aeration mechanism (300) includes pump body (301), the pump body (301) is installed on the surface of inner barrel (102), one end of the pump body (301) is provided with exhaust pipe (302), one end of the exhaust pipe (302) leads to the inside of inner barrel (102), and the other end of the pump body (301) is provided with argon tank.

6. The tea pulverizing device for tea polyphenol extraction according to claim 2, characterized by: The drive assembly includes stepper motor (401), the stepper motor (401) is installed at the position of inner barrel (102) top inner wall center, the bottom end of stepper motor (401) output shaft is installed with transmission shaft (402), the number of cutting piece is multiple, the cutting piece is installed on the circumferential outer wall of transmission shaft (402), and the scraping material piece is installed on one end of transmission shaft (402).

7. The tea pulverizing device for tea polyphenol extraction according to claim 6, characterized by: The cutting piece includes connecting rod (403), the connecting rod (403) is installed on the outer wall of transmission shaft (402), and multiple bevel tooth corrugated blades (405) are arranged on the circumferential outer wall of connecting rod (403).

8. The tea pulverizing device for tea polyphenol extraction according to claim 6, characterized by: The scraping piece is a scraper (404), one end of the scraper (404) is attached to the inner wall of the side of the inner tub (102), and the bottom of the scraper (404) is attached to the inner wall of the bottom of the inner tub (102).

9. The tea pulverizing device for tea polyphenol extraction according to claim 6, characterized by: The number of the material conveying mechanisms (600) is two, the material conveying mechanisms (600) are located on both sides of the transmission shaft (402) and close to the inner wall of the inner tub (102), the material conveying mechanism (600) comprises a shaft rod fixing seat (602), the inside of the shaft rod fixing seat (602) is rotationally connected with a connecting shaft (601), and the circumferential outer wall of the connecting shaft (601) is sleeved with a spiral blade (603).

10. The tea pulverizing device for tea polyphenol extraction according to claim 9, characterized by: The transmission mechanism (500) comprises a sleeve (501), two driving wheels (502) and two transmission wheels (503), the sleeve (501) is sleeved on the circumferential outer wall of the transmission shaft (402), the two driving wheels (502) are sleeved on the outer wall of the sleeve (501), the two transmission wheels (503) are respectively sleeved on the outer walls of the two connecting shafts (601), and the outer walls of the driving wheel (502) and the corresponding transmission wheel (503) are sleeved with the same belt (504).