Glutinous rice processing rice mill

By adjusting the screw and hexagonal shaft, the grinding disc spacing can be adjusted, which solves the problem of insufficient applicability of existing glutinous rice milling machines, enables effective milling of brown rice of different sizes, and improves the applicability of the equipment.

CN224114026UActive Publication Date: 2026-04-14WUHU TIANJINGSHAN RICE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing rice milling machines for glutinous rice processing have poor applicability because the distance between the first and second milling rollers is fixed, which cannot adapt to the milling needs of rice grains of different sizes.

Method used

By adjusting the screw, rotating sleeve, and hexagonal shaft, the distance between the lower and upper grinding discs can be adjusted. Combined with motor drive and gear transmission, it can adapt to the grinding needs of different sizes of brown glutinous rice.

Benefits of technology

This improves the applicability of rice milling machines for glutinous rice processing, enabling them to effectively mill brown rice of different sizes and meet the processing needs of various types of glutinous rice.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rice husking machine for glutinous rice processing. Belongs to the glutinous rice processing field. According to the technical key points, the device comprises a grinding mechanism, the grinding mechanism comprises a grinding tank, an upper grinding disc is fixedly connected to the interior of the grinding tank, a lower grinding disc matched with the upper grinding disc is arranged below the upper grinding disc, a hexagonal shaft is fixedly connected to the top of the lower grinding disc, and a rotating sleeve slidably penetrates through the outer side of the hexagonal shaft; the outer side of the rotating sleeve is rotationally connected with a cross beam plate, the cross beam plate is fixedly connected with the grinding tank, the outer side of the rotating sleeve is fixedly connected with a driven gear, one side of the top of the cross beam plate is fixedly connected with a supporting frame, and the top of the supporting frame is fixedly connected with a motor; the output end of the motor is fixedly connected with a driving gear in meshed connection with the driven gear, and the top of the hexagonal shaft is rotationally connected with a traction plate. The utility model aims to provide a rice husking machine for glutinous rice processing. The applicability of the whole rice mill is improved.
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Description

Technical Field

[0001] This utility model relates to the field of glutinous rice processing, specifically a glutinous rice milling machine. Background Technology

[0002] Glutinous rice is the hulled seed kernel of *Oryza sativa*, a plant belonging to the genus *Oryza* in the family Poaceae. Glutinous rice is milky white, opaque, but can also be translucent, and is highly sticky. The grains are generally oblong, slender, and relatively soft. The rice spike is oblong, with a rough surface and covered by a husk. Glutinous rice requires milling during processing to remove the bran layer from the surface of the unpolished rice.

[0003] Current glutinous rice milling machines, as described in patent CN220759328U, include a machine body, two first milling rollers, and two second milling rollers. An installation cavity is provided at the upper end of the front end of the machine body. A servo motor is fixedly connected to the upper end of the outer wall of the front end of the machine body. The output end of the servo motor is fixedly connected to the front end of one side of the milling roller. Gears are fixedly connected to the rear ends of both the first and second milling rollers. An installation box is fixedly connected to the middle of one side of the outer wall of the machine body. A blower is fixedly connected to the inner bottom surface of the installation box. A blower pipe is fixedly connected to the middle of the inner wall of the machine body near the installation box. The blower end extends through the inner wall of the blower pipe.

[0004] Regarding the aforementioned technologies, the inventors believe that the fixed spacing between the two first rice milling rollers and the two second rice milling rollers results in a fixed size of rice grains that can be milled. However, rice varies in size depending on the variety, making it difficult for the entire device to meet the needs of milling rice of different sizes, thus resulting in poor applicability. Utility Model Content

[0005] The purpose of this invention is to provide a rice milling machine for processing glutinous rice, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A rice milling machine for processing glutinous rice, including

[0008] A grinding mechanism includes a grinding jar, an upper grinding disc fixedly connected inside the grinding jar, a matching lower grinding disc below the upper grinding disc, a hexagonal shaft fixedly connected to the top of the lower grinding disc, a rotating sleeve slidingly passing through the outer side of the hexagonal shaft, a crossbeam plate rotatably connected to the outer side of the rotating sleeve, the crossbeam plate being fixedly connected to the grinding jar, a driven gear fixedly connected to the outer side of the rotating sleeve, a support frame fixedly connected to one side of the top of the crossbeam plate, a motor fixedly connected to the top of the support frame, a driving gear meshing with the driven gear fixedly connected to the output end of the motor, a traction plate rotatably connected to the top of the hexagonal shaft, and adjusting screws symmetrically rotatably connected inside the traction plate, both sets of adjusting screws being rotatably connected to the crossbeam plate.

[0009] The separation mechanism includes a filter screen fixedly connected to the inside of the grinding tank. An annular cover corresponding to the filter screen is detachably connected to the outside of the grinding tank. Connecting pipes are fixedly arranged in a ring array inside the annular cover. Each set of connecting pipes is fixedly connected to a connected annular pipe at the end away from the annular cover. A connected flexible hose is fixedly connected to one side of the annular pipe. A connected collection tank is fixedly connected to the end of the flexible hose away from the annular pipe. A suction fan is fixedly connected to the top of the collection tank. A filter cloth is fixedly connected to the input end of the suction fan. A discharge valve is fixedly connected to the bottom of the collection tank.

[0010] As a further embodiment of this utility model: an upper retaining ring is fixedly connected to the outer side of the grinding jar, an annular cover is sleeved on the outer side of the upper retaining ring, a lower retaining ring is fixedly connected to the grinding jar below the upper retaining ring, and a pressure ring corresponding to the lower retaining ring is fixedly connected to the inner wall of the annular cover.

[0011] As a further embodiment of this utility model: the top of the annular cover is threaded with a threaded ring, and a handwheel is fixedly connected to the outer side of the threaded ring.

[0012] As a further embodiment of this utility model: the bottom of the lower baffle ring is fixedly connected with multiple discharge valves in a ring array, and each group of discharge valves is fixedly connected to the outer wall of the grinding tank.

[0013] As a further embodiment of this utility model: an upper sealing ring is fixedly connected to the top of the upper retaining ring, and the upper sealing ring abuts against the annular cover.

[0014] As a further embodiment of this utility model: a lower sealing ring is fixedly connected to the bottom of the pressure ring, and the lower sealing ring abuts against the lower retaining ring.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] By adopting the above-mentioned structure, this utility model, through the mutual cooperation of the adjusting screw, rotating sleeve and hexagonal shaft, enables the adjusting screw to drive the traction plate, hexagonal shaft and lower grinding disc to move up and down when rotating, thereby realizing the adjustment of the distance between the lower grinding disc and the upper grinding disc, thus meeting the requirements of grinding and peeling brown glutinous rice of different sizes, and effectively improving the applicability of the entire rice milling machine. Attached Figure Description

[0017] The present invention will be further described in detail below with reference to the embodiments shown in the accompanying drawings, but this does not constitute any limitation on the present invention.

[0018] Figure 1 This is a schematic diagram of the structure of a rice milling machine for processing glutinous rice.

[0019] Figure 2 A rice milling machine for processing glutinous rice Figure 1 A schematic diagram of the structure of part A.

[0020] Figure 3 This is a partial structural cross-sectional view of a rice milling machine for processing glutinous rice.

[0021] Figure 4 A rice milling machine for processing glutinous rice Figure 3 A schematic diagram of the structure of part B.

[0022] Figure 5 This is a partial structural cross-sectional view of the collection tank in a rice milling machine for processing glutinous rice.

[0023] In the diagram: 1. Grinding mechanism; 101. Grinding tank; 102. Lower grinding disc; 103. Upper grinding disc; 104. Hexagonal shaft; 105. Rotating sleeve; 106. Crossbeam plate; 107. Driven gear; 108. Motor; 109. Support frame; 110. Drive gear; 111. Traction plate; 112. Adjusting screw; 2. Separation mechanism; 201. Filter screen; 202. Annular cover; 203. Lower retaining ring; 204. Pressure ring; 205. Lower sealing ring; 206. Upper retaining ring; 207. Upper sealing ring; 208. Threaded ring; 209. Handwheel; 210. Annular pipe; 211. Connecting pipe; 212. Connecting hose; 213. Collection tank; 214. Suction fan; 215. Filter cloth; 216. Discharge valve. Detailed Implementation

[0024] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0025] Please see Figure 1-5A rice milling machine for processing glutinous rice includes a milling mechanism 1. The milling mechanism 1 includes a milling tank 101. An upper milling disc 103 is fixedly connected inside the milling tank 101. A matching lower milling disc 102 is provided below the upper milling disc 103. A hexagonal shaft 104 is fixedly connected to the top of the lower milling disc 102. The hexagonal shaft 104 is configured to drive the lower milling disc 102 to rotate when rotating, so that the unpolished glutinous rice passing between the upper milling disc 103 and the lower milling disc 102 is milled. A traction plate 111 is rotatably connected to the top of the hexagonal shaft 104. Adjusting screws 112 are symmetrically rotatably connected inside the traction plate 111. Both sets of adjusting screws 112 are rotatably connected to a crossbeam plate 106. The adjusting screws 112 are configured to drive the traction plate 111 to move up and down when rotating, thereby driving the hexagonal shaft 104 and the lower milling disc 102 to move up and down accordingly.

[0026] A rotating sleeve 105 slides through the outer side of the hexagonal shaft 104. A crossbeam plate 106 is rotatably connected to the outer side of the rotating sleeve 105. The rotating sleeve 105 is configured to drive the hexagonal shaft 104 to rotate during rotation. The crossbeam plate 106 is fixedly connected to the grinding jar 101. A driven gear 107 is fixedly connected to the outer side of the rotating sleeve 105. A support frame 109 is fixedly connected to one side of the top of the crossbeam plate 106. A motor 108 is fixedly connected to the top of the support frame 109, which provides support for the motor 108. A drive gear 110 is fixedly connected to the output end of the motor 108 and meshes with the driven gear 107. The motor 108 is configured to drive the drive gear 110 and the driven gear 107 to rotate during startup, thereby driving the rotating sleeve 105 to rotate.

[0027] The separation mechanism 2 includes a filter screen 201 fixedly connected to the inside of the grinding tank 101, which allows rice bran to pass through. An annular cover 202 corresponding to the filter screen 201 is detachably connected to the outside of the grinding tank 101. An upper retaining ring 206 is fixedly connected to the outside of the grinding tank 101, and the annular cover 202 is fitted over the outer side of the upper retaining ring 206, providing support. An upper sealing ring 207 is fixedly connected to the top of the upper retaining ring 206, abutting against the annular cover 202. The upper sealing ring 207 seals the gap between the upper retaining ring 206 and the annular cover 202, thereby reducing the probability of rice bran leakage.

[0028] Below the upper retaining ring 206, a lower retaining ring 203 is fixedly connected to the grinding tank 101. Multiple discharge valves 216 are fixedly connected in a ring array at the bottom of the lower retaining ring 203. Each set of discharge valves 216 is fixedly connected to the outer wall of the grinding tank 101. The discharge valves 216 are used to further connect and fix the lower retaining ring 203 to the grinding tank 101, thereby improving the connection stability between the lower retaining ring 203 and the grinding tank 101. A pressure ring 204 corresponding to the lower retaining ring 203 is fixedly connected to the inner wall of the annular cover 202. A lower sealing ring 205 is used to support and limit the pressure ring 204. A lower sealing ring 205 is fixedly connected to the bottom of the pressure ring 204, abutting against the lower retaining ring 203. The lower sealing ring 205 is used to seal the gap between the pressure ring 204 and the lower retaining ring 203. The top of the annular cover 202 is threaded with a threaded ring 208, and a handwheel 209 is fixedly connected to the outside of the threaded ring 208. The threaded ring 208 is designed to drive the annular cover 202 to move up and down when rotated, thereby adjusting the height of the annular cover 202 so that the annular cover 202 can be raised to clean the filter screen 201.

[0029] The interior of the annular cover 202 is permeated with connecting pipes 211 arranged in a ring array. Each set of connecting pipes 211, at the end furthest from the annular cover 202, is fixedly connected to a communicating annular pipe 210. The connecting pipes 211 are configured to connect the annular pipe 210 to the annular cover 202, allowing rice bran inside the annular cover 202 to drain into the annular pipe 210 through the connecting pipes 211. A communicating connecting hose 212 is fixedly connected to one side of the annular pipe 210. The end of the connecting hose 212 furthest from the annular pipe 210 is fixedly connected to a communicating collection tank 213. The connecting hose 212 is configured to guide the rice bran into the collection tank 213. A suction fan 214 is fixedly connected to the top of the collection tank 213, and a filter cloth 215 is fixedly connected to the input end of the suction fan 214. The suction fan 214 is configured to extract air from inside the collection tank 213 when it starts working, thereby creating a negative pressure inside the collection tank 213, which facilitates the extraction of rice bran into the collection tank 213. The filter cloth 215 filters the rice bran inside the collection tank 213. A discharge valve 216 is fixedly connected to the bottom of the collection tank 213, and the discharge valve 216 is configured to discharge the rice bran inside the collection tank 213 when it is opened.

[0030] In use, rotate the two sets of adjusting screws 112, so that the adjusting screws 112 can drive the traction plate 111, hexagonal shaft 104 and lower grinding disc 102 to move up and down until the distance between the upper grinding disc 103 and the lower grinding disc 102 is adjusted to match the size of the unpolished glutinous rice to be milled. Then start the motor 108, so that when the motor 108 starts working, it can drive the rotating sleeve 105 and hexagonal shaft 104 to rotate through the transmission of the drive gear 110 and the driven gear 107. When the hexagonal shaft 104 rotates, it can drive the lower grinding disc 102 to rotate accordingly. Then pour the unpolished glutinous rice into the inside of the milling jar 101, so that the unpolished glutinous rice can fall between the lower grinding disc 102 and the upper grinding disc 103. During the falling process, it can be continuously milled by the rotating lower grinding disc. The upper grinding disc 102 and the lower grinding disc 103 grind the rice, thereby removing the bran layer by friction and grinding action of the lower grinding disc 102 on the brown glutinous rice. The bran then falls from the bottom edge of the lower grinding disc 102. Then, the suction fan 214 is started, which creates a negative pressure inside the collection tank 213, the connecting hose 212 and the annular cover 202 when the suction fan 214 is started. This causes the falling and lighter bran layer to be sucked into the annular cover 202 through the filter holes of the filter screen 201. Then, it is drawn into the inner wall of the collection tank 213 through the guide of the connecting pipe 211, the annular pipe 210 and the connecting hose 212. After being filtered by the filter cloth 215, it remains inside the collection tank 213, while the peeled and milled glutinous rice can fall from the bottom of the grinding tank 101.

[0031] The above-described embodiments are preferred embodiments of the present utility model and are only used to facilitate the illustration of the present utility model. They are not intended to limit the present utility model in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present utility model without departing from the scope of the technical features of the present utility model shall still fall within the scope of the technical features of the present utility model.

Claims

1. A rice milling machine for processing glutinous rice, characterized in that, include A grinding mechanism (1) includes a grinding jar (101). An upper grinding disc (103) is fixedly connected inside the grinding jar (101). A matching lower grinding disc (102) is provided below the upper grinding disc (103). A hexagonal shaft (104) is fixedly connected to the top of the lower grinding disc (102). A rotating sleeve (105) slides through the outer side of the hexagonal shaft (104). A crossbeam plate (106) is rotatably connected to the outer side of the rotating sleeve (105). The crossbeam plate (106) is fixedly connected to the grinding jar (101). The outer side of the rotating sleeve (105) is... A driven gear (107) is fixedly connected to the side of the crossbeam plate (106). A support frame (109) is fixedly connected to the top side of the crossbeam plate (106). A motor (108) is fixedly connected to the top of the support frame (109). A drive gear (110) that meshes with the driven gear (107) is fixedly connected to the output end of the motor (108). A traction plate (111) is rotatably connected to the top of the hexagonal shaft (104). An adjusting screw (112) is symmetrically rotatably connected inside the traction plate (111). Both sets of adjusting screws (112) are rotatably connected to the crossbeam plate (106). The separation mechanism (2) includes a filter screen (201) fixedly connected to the inside of the grinding tank (101). The outside of the grinding tank (101) is detachably connected to an annular cover (202) corresponding to the filter screen (201). The inside of the annular cover (202) is fixedly connected to a connecting pipe (211) in an annular array. Each set of connecting pipes (211) is fixedly connected to a connected annular pipe (210) at one end away from the annular cover (202). A connected connecting hose (212) is fixedly connected to one side of the annular pipe (210). A connected collection tank (213) is fixedly connected to one end of the connecting hose (212) away from the annular pipe (210). A suction fan (214) is fixedly connected to the top of the collection tank (213). A filter cloth (215) is fixedly connected to the input end of the suction fan (214). A discharge valve (216) is fixedly connected to the bottom of the collection tank (213).

2. The glutinous rice processing milling machine according to claim 1, characterized in that, An upper retaining ring (206) is fixedly connected to the outside of the grinding jar (101), and an annular cover (202) is sleeved on the outside of the upper retaining ring (206). A lower retaining ring (203) is fixedly connected to the grinding jar (101) below the upper retaining ring (206), and a pressure ring (204) corresponding to the lower retaining ring (203) is fixedly connected to the inner wall of the annular cover (202).

3. The glutinous rice processing milling machine according to claim 2, characterized in that, The top of the annular cover (202) is threaded with a threaded ring (208), and a handwheel (209) is fixedly connected to the outside of the threaded ring (208).

4. The glutinous rice processing milling machine according to claim 2, characterized in that, The bottom of the lower baffle ring (203) is fixedly connected to a plurality of discharge valves (216) in a ring array, and each group of discharge valves (216) is fixedly connected to the outer wall of the grinding tank (101).

5. A rice milling machine for processing glutinous rice according to claim 3, characterized in that, The top of the upper retaining ring (206) is fixedly connected to an upper sealing ring (207), which abuts against the annular cover (202).

6. A rice milling machine for processing glutinous rice according to claim 5, characterized in that, The bottom of the pressure ring (204) is fixedly connected to a lower sealing ring (205), which abuts against the lower retaining ring (203).

Citation Information

Patent Citations

  • Rice husking machine

    CN220759328U