Grinding device for coffee production

Abstract

The utility model discloses a coffee production grinding device, which relates to the field of coffee grinding devices and comprises a grinding shell, a grinding cavity is arranged in the grinding shell, a lower grinding block is fixedly connected to the bottom of the grinding cavity, slots are arranged on two sides of the top of the grinding cavity, inserting rods are inserted into the slots, and rotating rods are rotatably connected to the middles of the inserting rods. An upper grinding block is fixedly connected to the bottom end of the rotating rod and located in the center of the lower grinding block. Scraping plates are rotationally arranged on the two sides in the grinding cavity. According to the grinding device, the inserting rod is matched with the inserting groove, so that a user can easily disassemble and assemble the upper grinding block, daily maintenance and cleaning of the upper grinding block and the lower grinding block are facilitated, a complex disassembling process is not needed, the operation difficulty is lowered, the user can thoroughly clean the upper grinding block and the lower grinding block conveniently through matching of components, and sanitation and performance of the grinding device are kept; fault or damage caused by residue accumulation is avoided, the grinding efficiency is improved, and the service life of the grinding device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee grinding device field, especially in coffee production grinding device. BACKGROUND

[0002] Coffee is a kind of beverage made of roasted and ground coffee beans, and is one of the three major beverages in the world. Through different cooking methods and ingredient ratios, coffee is divided into many types, and the taste is mellow. The most basic raw material of coffee is coffee powder made of coffee beans. Coffee production grinding device is an important equipment in the coffee processing process, and its main function is to grind coffee beans into powder suitable for different brewing methods.

[0003] The existing coffee production grinding device usually has independent crushing and grinding structure, which occupies the use space. When fine grinding is carried out, the uniformity and consistency of coffee beans cannot be ensured, the production process is complicated, and the grinding structure on it is not convenient to disassemble, the disassembly process is complex, and the operation difficulty is improved.

[0004] Therefore, it is necessary to provide a coffee production grinding device to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a coffee production grinding device to solve the problems that the crushing and grinding structure is independently arranged, the use space is occupied, the uniformity and consistency of coffee beans cannot be ensured when fine grinding is carried out, the production process is complicated, the grinding structure on it is not convenient to disassemble, the disassembly process is complex, and the operation difficulty is improved.

[0006] To achieve the above object, the utility model provides the following technical scheme: a coffee production grinding device, including grinding shell, the inside of grinding shell is opened grinding cavity, and the bottom of grinding cavity is fixedly connected with lower grinding block.

[0007] The inside of grinding cavity is symmetrically provided with scraper on both sides, and the scraper is in movable contact with the side wall of grinding cavity.

[0008] Preferably, the top of the grinding shell is provided with a motor housing, the inside of the motor housing is fixedly connected with a motor, and the bottom of the grinding shell is threadedly connected with a material collecting shell.

[0009] Preferably, the top end of the rotating rod is fixedly connected with a spline, the motor rotating shaft is fixedly connected with a connecting shaft, and the bottom end of the spline groove is provided with a spline groove.

[0010] Preferably, the outer periphery of the top and bottom of the rotating rod is fixedly connected with two connecting rods, and the end of the connecting rod is fixedly connected with the side wall of the scraper.

[0011] Preferably, the bottom of the grinding shell is provided with a discharging hole in a through manner, and the discharging hole is in the shape of a bucket with the upper part being wide and the lower part being narrow.

[0012] Preferably, the upper grinding block and the lower grinding block have a gap therebetween.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. The cooperation of the second crushing knife 26, the first crushing knife 15, the upper grinding block 21 and the lower grinding block 12 integrates the crushing and grinding functions, saves the use space, finely grinds the coffee beans after crushing, ensures the uniformity and consistency of the coffee beans, simplifies the production process, improves the overall quality of the coffee and improves the production efficiency.

[0015] 2. The cooperation of the insertion rod and the insertion slot enables the user to easily disassemble and assemble the upper grinding block, facilitates the daily maintenance and cleaning of the upper grinding block and the lower grinding block, does not require a complex disassembly process, and reduces the operation difficulty.

[0016] 3. The cooperation of the components facilitates the user to completely clean the upper grinding block and the lower grinding block, maintains the hygiene and performance of the grinding device, avoids faults or damages caused by the accumulation of residues, improves the grinding efficiency, and prolongs the service life of the grinding device.

[0017] 4. The stirring of the scraper can ensure the uniform distribution of the coffee beans during the grinding process, avoid local accumulation, scrape off the coffee beans adhered to the side wall of the grinding cavity, prevent uneven grinding caused by adhesion, ensure that each coffee bean can be fully ground, and thus enable the user to obtain uniform and delicate coffee powder.

[0018] 5. The stirring and scraping of the scraper can accelerate the grinding speed of the coffee beans, make the grinding process more efficient, improve the production efficiency, and reduce the energy consumption in the grinding process.

[0019] 6. When special coffee beans are encountered, the oil on the coffee beans is easy to adhere to the inner wall of the grinding cavity and form lumps. The scraping of the scraper can effectively prevent the formation of these oil lumps, maintain the cleanliness of the grinding device, and ensure smooth operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1This is a schematic diagram of the coffee production grinding device of this utility model.

[0021] Fig. 2 This is a planar three-dimensional cross-sectional view of the coffee production grinding device of this utility model.

[0022] Fig. 3 This is a schematic cross-sectional view of the coffee production grinding device of this utility model.

[0023] In the diagram: 1. Grinding shell; 11. Grinding chamber; 12. Lower grinding block; 13. Slot; 14. Feeding hole; 15. First crushing blade;

[0024] 2. Rotating rod; 21. Upper grinding block; 22. Scraper; 23. Connecting rod; 24. Insert rod; 25. Spline; 26. Second crushing blade;

[0025] 3. Motor housing; 31. Motor; 32. Connecting shaft; 33. Spline groove;

[0026] 4. Material receiving shell. Detailed Implementation

[0027] This utility model addresses the problems of independently designed crushing and grinding structures, which occupy space, complicate the production process, and hinder the uniformity and consistency of coffee beans during fine grinding. Furthermore, the grinding structure is difficult to disassemble, increasing operational complexity. This invention provides a solution... Figs. 1-3 The coffee grinding device shown includes a grinding shell 1, a grinding chamber 11 inside the grinding shell 1, a lower grinding block 12 fixedly connected to the bottom of the grinding chamber 11, slots 13 on both sides of the top of the grinding chamber 11, a connecting rod 24 inserted into the slot 13, a rotating rod 2 rotatably connected to the middle of the connecting rod 24, an upper grinding block 21 fixedly connected to the bottom of the rotating rod 2, the upper grinding block 21 being located at the center of the lower grinding block 12, a plurality of second crushing blades 26 arranged in a ring around the bottom of the rotating rod 2, and a plurality of first crushing blades 15 fixedly connected in a ring around the bottom of the grinding chamber 11; when using the grinding device, coffee beans are put into the grinding chamber 11, the rotating rod 2 is rotated, the rotating rod 2 rotates, causing the upper grinding block 21 and the second crushing blades 26 to rotate, the second crushing blades 26 and the first crushing blades 15 cooperate to crush the coffee beans, the crushed coffee beans enter the gap between the upper grinding block 21 and the lower grinding block 12, the upper grinding block 21 and the lower grinding block 12 cooperate to finely grind the coffee beans, and the ground coffee powder falls below for collection.

[0028] The cooperation of the second crushing knife 26, the first crushing knife 15, the upper grinding block 21 and the lower grinding block 12 integrates the crushing and grinding functions together, saves the use space, finely grinds the coffee beans after crushing, ensures the uniformity and consistency of the coffee beans, simplifies the production process, improves the overall quality of the coffee and improves the production efficiency.

[0029] In the utility model, motor shell 3 is installed on the top of grinding shell 1, motor 31 is fixedly connected in the inside of motor shell 3, and collecting shell 4 is screwedly connected to the bottom of grinding shell 1;Motor shell 3 is the protective housing of motor 31, and motor shell 3 is installed to the upper side of grinding shell 1 through the clamping structure, the structure of clamping installation is the mature technology of prior art, and is not shown in the figure, and here, it will not be repeated, and collecting shell 4 helps to collect coffee powder.

[0030] It should be noted that the top end of the rotating rod 2 is fixedly connected with the spline 25, the connecting shaft 32 is fixedly connected to the rotating shaft of the motor 31, the spline groove 33 is formed in the bottom end of the spline groove 33, and the spline 25 is inserted into the connecting shaft 32;When the connecting shaft 32 and the rotating rod 2 need to be connected, the spline 25 is aligned with the spline groove 33, the spline 25 is inserted into the spline groove 33 after the motor shell 3 is installed on the upper side of the grinding shell 1, and coffee beans can be added when the motor shell 3 is removed from the upper side.

[0031] After grinding, when the device needs to be cleaned, the plug-in rod 24 is pulled upwards, the plug-in rod 24 is pulled out from the slot 13, the plug-in rod 24 moves the rotating rod 2 and the upper grinding block 21 out, and the upper grinding block 21, the lower grinding block 12 and the grinding cavity 11 are conveniently cleaned.

[0032] The cooperation of the plug-in rod 24 and the slot 13 enables the user to easily disassemble and assemble the upper grinding block 21, facilitates daily maintenance and cleaning of the upper grinding block 21 and the lower grinding block 12, does not need a complicated disassembly process, and reduces the operation difficulty.

[0033] The cooperation of the parts can facilitate the user to thoroughly clean the upper grinding block 21 and the lower grinding block 12, maintain the hygiene and performance of the grinding device, avoid faults or damage caused by residual accumulation, improve the grinding efficiency and prolong the service life of the grinding device.

[0034] In the utility model, the top and bottom periphery of the rotating rod 2 are fixedly connected with two connecting rods 23, and the end of the connecting rod 23 is fixedly connected with the side wall of the scraper 22;The rotating rod 2 rotates to drive the connecting rod 23 to rotate, and the connecting rod 23 drives the scraper 22 to scrape the side wall of the grinding cavity 11.

[0035] Further, the inside of the grinding cavity 11 is symmetrically provided with a scraper 22 on both sides, which is in movable contact with the side wall of the grinding cavity 11; while grinding, the scraper 22 stirs the coffee beans and scrapes the side wall of the grinding cavity 11.

[0036] Through the stirring of the scraper 22, it can ensure that the coffee beans are evenly distributed during the grinding process, avoid local accumulation, and at the same time, the coffee beans adhered to the side wall of the grinding cavity 11 can be scraped off, which can prevent uneven grinding caused by adhesion, and ensure that each coffee bean can be fully ground, so that the user can get uniform and delicate coffee powder.

[0037] The stirring and scraping of the scraper 22 can speed up the grinding speed of the coffee beans, make the grinding process more efficient, and thus improve the production efficiency and reduce the energy consumption in the grinding process.

[0038] In the case of special coffee beans, the oil on the coffee beans is easy to adhere to the inner wall of the grinding cavity 11, forming a lump, and through the scraping of the scraper 22, the formation of these oil lumps can be effectively prevented, and the cleaning and smooth operation of the grinding device can be maintained.

[0039] Through the scraping of the side wall of the grinding cavity 11, the internal scale and wear of the grinding device can be reduced, the service life can be prolonged, the maintenance cost can be reduced, and the long-term stable operation of the grinding device can be ensured.

[0040] In the utility model, the bottom of the grinding shell 1 is provided with a discharging hole 14, and the discharging hole 14 is in the shape of a bucket with the upper part being wide and the lower part being narrow.

[0041] It should be noted that the upper grinding block 21 and the lower grinding block 12 have a gap; the gap between the upper grinding block 21 and the lower grinding block 12 is wide at the top and narrow at the bottom, which is beneficial to ensure that the upper grinding block 21 and the lower grinding block 12 can be evenly worn during the entire grinding process, maintain the uniform distribution of the grinding pressure, and improve the grinding precision.

Claims

1. A coffee production grinding device comprising a grinding casing (1), characterized in that: The grinding shell (1) is internally provided with a grinding cavity (11), the bottom of the grinding cavity (11) is fixedly connected with a lower grinding block (12), both sides of the top of the grinding cavity (11) is provided with a slot (13), the slot (13) is internally inserted with a plug-in rod (24), the middle of the plug-in rod (24) is rotatably connected with a rotating rod (2), the bottom end of the rotating rod (2) is fixedly connected with an upper grinding block (21), the upper grinding block (21) is located at the central position of the lower grinding block (12), the bottom of the rotating rod (2) is annularly provided with a plurality of second crushing knives (26), the bottom of the grinding cavity (11) is annularly fixedly connected with a plurality of first crushing knives (15). The inside of the grinding cavity (11) is symmetrically provided with a scraper (22) on both sides, and the scraper (22) is in movable contact with the side wall of the grinding cavity (11).

2. A coffee production grinding device according to claim 1, characterized in that: The top of the grinding shell (1) is provided with a motor shell (3), the inside of the motor shell (3) is fixedly connected with a motor (31), and the bottom of the grinding shell (1) is threadedly connected with a material collecting shell (4).

3. A coffee production grinding device according to claim 2, characterized in that: The top end of the rotating rod (2) is fixedly connected with a spline (25), the rotating shaft of the motor (31) is fixedly connected with a connecting shaft (32), the bottom end of the spline groove (33) is provided with a spline groove (33), and the spline (25) is inserted into the inside of the connecting shaft (32).

4. A coffee production grinding device according to claim 1, characterized in that: The top and bottom of the rotating rod (2) are fixedly connected with two connecting rods (23), and the end of the connecting rod (23) is fixedly connected with the side wall of the scraper (22).

5. A coffee production grinding device according to claim 1, characterized in that: The bottom of the grinding shell (1) is throughly provided with a discharging hole (14), and the discharging hole (14) is in the shape of a bucket with the top being wide and the bottom being narrow.

6. A coffee production grinding device according to claim 1, characterized in that: The upper grinding block (21) and the lower grinding block (12) have a gap therebetween.

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