Quantity control flow guide device of rice mill
By designing a volume-controlled flow-guiding device including storage hopper, positioning tray, sealing plate, feed pipe, transfer tray, adjustment silo, adjustment plate and servo motor, the adjustability of the existing rice milling hopper is solved. The problem of low results in precise control of feeding volume and improved adaptability of feeding.
Patent Information
- Application Number
- CN202411853821.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-02-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing rice milling machine has low adjustability during feeding control, which cannot ensure the consistent feeding speed, which makes it difficult to accurately control the feeding volume, affecting product quality and processing efficiency.
A volume-controlled flow-guiding device for a rice mill is designed, including a storage hopper, a positioning plate, a sealing plate, a feed pipe, a transfer plate, a regulating silo, a regulating plate and a servo motor. By adjusting the setting of the silo and driving of the servo motor, the rotation of the relay tray and the displacement of the regulating plate are realized, thereby controlling the accuracy of the feed volume.
Accurate control of the feed volume is achieved, the problem of excessive or too little feed is avoided, the adaptability and accuracy of the cutting material is improved, and the product quality and processing efficiency are improved.
Smart Images

Figure CN119386955A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of quantity control and flow guidance of a rice milling machine, and in particular to a quantity control and flow guidance device of a rice milling machine. Background Art
[0002] The rice milling machine is mainly composed of a fixing wrench, a tightening nut wrench, a brush, a lower hopper, a grinding wheel, a wire brush, etc. It uses the mechanical force generated by the mechanical equipment to peel and whiten the brown rice. The mechanical equipment used is called a rice milling machine. The feed control of the rice milling machine is crucial to ensure processing efficiency and product quality.
[0003] However, the existing feed hopper has low adjustability when controlling the feed. The existing device mainly controls the feed by the opening and closing size of the gate, but its feed is affected by external factors and its feed speed cannot be guaranteed to be consistent, so the feed amount cannot be accurately controlled. When there is too little feed inside the equipment, the rice may become brittle during processing, affecting the quality of the final product; and too much feed can easily cause blockage during processing, reducing the processing efficiency of the system. Therefore, it is urgent to design a rice milling machine with a controlled flow diversion device to solve the above problems. Summary of the invention
[0004] The object of the present invention is to provide a flow control and guiding device for a rice milling machine, so as to solve the problem in the above background technology that the feed amount cannot be accurately controlled.
[0005] To achieve the above object, the present invention provides the following technical solution: a flow control and guide device for a rice mill, comprising:
[0006] A storage hopper, wherein a positioning plate is integrally arranged below the storage hopper, and a sealing plate is connected to the bottom flange of the positioning plate, and a feed pipe is integrally arranged at the bottom of the sealing plate, and the storage hopper is used for storing materials;
[0007] The transfer tray is rotatably arranged between the positioning plate and the sealing plate, and two sets of regulating silos are provided on the transfer tray, and the regulating silos are used for controlling the amount of materials;
[0008] An adjustment plate, wherein the adjustment plate is slidably abutted against the inner wall of the adjustment silo, the outer wall of the adjustment plate is fixedly connected with a guide shaft, and the guide shaft is in a through-type sliding connection with the wall of the adjustment silo, the top of the adjustment plate is fixedly connected with a baffle plate, and the baffle plate is slidably plugged into the upper surface of the transfer tray, and the adjustment plate is used to adjust the size of the internal volume of the silo;
[0009] A servo motor, wherein the servo motor is fixedly connected to the upper surface of the positioning plate through a bracket, and the output end of the servo motor is fixedly connected to a second gear, the outside of the second gear is meshed with a third gear, the center of the third gear is fixedly connected to a drive shaft, and the drive shaft is interconnected with the transfer tray for rotational drive of the transfer tray.
[0010] Preferably, the storage hopper is in the shape of a conical funnel, and the storage hopper and the positioning plate are in a through structure, the outer wall of the positioning plate is fixedly and sealedly connected to the sealing plate through a flange ring, and the corresponding parts of the flange ring and the sealing plate are penetrated by fastening bolts, and the feed pipe and the discharge hole at the bottom of the storage hopper are symmetrically distributed about the axis of the positioning plate.
[0011] Preferably, a limiting groove is provided on the upper surface of the transfer tray, and the depth of the limiting groove is equal to the thickness of the baffle plate, the adjusting silo is in an arc-shaped elliptical shape, and the width of the adjusting silo is equal to the diameter of the feed pipe, and the diameter of the feed pipe is equal to the diameter of the discharge hole at the bottom of the storage hopper.
[0012] Preferably, the centers of the regulating silo, the limiting slide groove and the material baffle plate are all in the same position, and the material baffle plate is displaced in a circular arc shape inside the limiting slide groove, both ends of the inner wall of the regulating silo are semi-arc structures, and a guide hole is opened in the center of the semi-arc structure at one end, and a guide shaft slides through the inside of the guide hole.
[0013] Preferably, the guide shaft is fixedly connected to the adjustment plate at the center of one side of the material baffle plate, the guide shaft is an arc-shaped cylindrical structure, and the center of the guide shaft is at the same position as the center of the adjustment silo, and the inner wall of the adjustment silo is provided with through grooves on the upper and lower sides corresponding to the guide hole, and a rack is passed through the interior of the through groove.
[0014] Preferably, the toothed structure of the rack is meshed with a first gear on the outside, the center of the first gear is connected to the driving end of the worm gear reduction motor, and the outer wall of the worm gear reduction motor is fixedly connected to the inner wall of the transfer tray through a support seat, the worm gear reduction motor is provided with two upper and lower driving ends, and the outside of the two driving ends is fixedly connected to a first gear, the outside of each group of the adjustment plates corresponds to two first gears and a rack, and the outer wall of the rack is slidably connected to the inner wall of the transfer tray through an arc guide rail.
[0015] Preferably, a limiting slot is provided at the center of the inner wall of the transfer tray, and the limiting slot has a hexagonal structure. A hexagonal groove is opened at the center of the limiting slot, and a hexagonal protrusion is provided on the outer wall of the driving shaft, and the hexagonal protrusion is engaged with the inside of the hexagonal groove of the limiting slot. A locking nut is threadedly connected to the bottom of the driving shaft, and the upper surface of the locking nut abuts against the lower surface of the limiting slot, and the outer wall of the driving shaft is rotatably connected to the center of the positioning plate through a ball bearing.
[0016] Preferably, the center of the driving shaft is a hollow structure, and the connecting wire of the worm gear reduction motor passes through the driving shaft to the outside of the positioning plate, and the connecting wires of the worm gear reduction motor and the servo motor are commonly connected to a servo control system.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] 1. The quantity control and flow guiding device of the rice milling machine adjusts the setting of the silo. After the material in the storage hopper is taken out by adjusting the silo, the material is added to the rice milling equipment below. By adjusting the transfer setting of the silo, the one-time feeding amount is accurately controlled to avoid excessive or insufficient one-time feeding. At the same time, the servo motor is driven to drive the transfer plate to rotate through the gear transmission, so that the rotation speed of the silo is changed, thereby realizing the adjustment of the feeding frequency, and further improving the adaptability and accuracy of the feeding.
[0019] 2. The amount control and flow guiding device of the rice mill is provided with a movable adjustment plate inside the adjusting silo, and the gear is driven to rotate by the drive of the worm gear reducer, so that the adjustment plate is displaced by the movement of the rack position, so that the internal size of the adjusting silo can be flexibly adjusted, so that the device can more accurately control the discharge amount when performing material discharge control, and is convenient for the adaptive adjustment and control of the feed amount of different equipment, which greatly improves the adaptability and flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0021] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;
[0022] Figure 3 For the present invention Figure 2 A is a schematic diagram of the enlarged structure of the middle part;
[0023] Figure 4 This is a schematic diagram of the transfer tray structure of the present invention when viewed from above;
[0024] Figure 5 It is a schematic diagram of the storage hopper structure of the present invention;
[0025] Figure 6 It is a schematic diagram of the overall structure of the transfer tray of the present invention;
[0026] Figure 7 It is a schematic diagram of the servo motor distribution structure of the present invention;
[0027] Figure 8It is a schematic diagram of the distribution structure of the worm gear reduction motor of the present invention;
[0028] Fig. 9 It is a schematic diagram of the partial explosion structure of the transfer tray of the present invention.
[0029] In the figure: 1. storage hopper; 11. positioning plate; 12. sealing plate; 13. feed pipe; 2. transfer tray; 21. adjusting silo; 22. limiting slide; 23. limiting slot; 3. adjusting plate; 31. guide shaft; 32. rack; 33. first gear; 34. worm gear reduction motor; 35. material baffle; 4. servo motor; 41. second gear; 42. third gear; 43. drive shaft; 44. locking nut. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0031] See also Figure 1-9 , an embodiment provided by the present invention:
[0032] A flow control and guiding device for a rice mill, comprising:
[0033] A storage hopper 1 is provided with a positioning plate 11 at the bottom of the storage hopper 1, and a sealing plate 12 is connected to the bottom flange of the positioning plate 11, and a feed pipe 13 is provided at the bottom of the sealing plate 12. The storage hopper 1 is used for storing materials. The conical structure of the storage hopper 1 is provided to place the materials. The conical structure can better guide the materials and ensure the smoothness of the material discharge. The bottom of the feed pipe 13 is connected to the top of the feed port of the rice milling machine.
[0034] The transfer tray 2 is rotatably arranged between the positioning plate 11 and the sealing plate 12, and two sets of adjusting bins 21 are provided on the transfer tray 2, and the adjusting bins 21 are used for controlling the amount of materials. Through the rotation displacement of the transfer tray 2, the materials can be taken through the adjusting bins 21, and the materials can be discharged through the feeding pipe 13 through its circular rotation, so that the materials are added to the inside of the rice milling machine;
[0035] The adjusting plate 3 is slidably connected to the inner wall of the adjusting silo 21, and the outer wall of the adjusting plate 3 is fixedly connected with a guide shaft 31, and the guide shaft 31 is in a through-type sliding connection with the wall of the adjusting silo 21. The top of the adjusting plate 3 is fixedly connected with a baffle plate 35, and the baffle plate 35 is slidably plugged into the upper surface of the transfer tray 2. The adjusting plate 3 is used to adjust the size of the internal volume of the silo 21. By moving the position of the adjusting plate 3, the size of the internal space of the adjusting silo 21 can be adjusted, thereby realizing the flexible adjustment of the internal material holding amount, thereby realizing the material unloading control of different amounts, greatly improving the flexibility of the use of the device and the accuracy of the control amount;
[0036] The servo motor 4 is fixedly connected to the upper surface of the positioning plate 11 through a bracket, and the output end of the servo motor 4 is fixedly connected to the second gear 41, the outside of the second gear 41 is meshed with a third gear 42, the center of the third gear 42 is fixedly connected to a drive shaft 43, and the drive shaft 43 is interconnected with the transfer tray 2, and the rotation drive of the transfer tray 2 is driven by the servo motor 4, and the second gear 41 is driven to rotate, and the drive shaft 43 is further driven to rotate through the meshing of the third gear 42, thereby realizing the circular rotation of the transfer tray 2, and through the rotation of the transfer tray 2, the quantitative holding and unloading of materials are realized in cooperation with the adjustment bin 21.
[0037] Furthermore, the storage hopper 1 is in the shape of a conical funnel, and the storage hopper 1 and the positioning disk 11 are in a through structure. The outer wall of the positioning disk 11 is fixedly sealed and connected to the sealing plate 12 through a flange ring, and the corresponding positions of the flange ring and the sealing plate 12 are penetrated by fastening bolts. The sealing connection between the sealing plate 12 and the positioning disk 11 is completed by squeezing the fastening bolts, and the wrapping of the transfer tray 2 is completed at the same time, thereby ensuring the stability of the rotation of the transfer tray 2 and the accuracy of material transfer and discharge. The feed pipe 13 and the position of the discharge hole at the bottom of the storage hopper 1 are symmetrically distributed about the axis of the positioning disk 11. At the same time, the sealing connection of the sealing plate 12 also realizes the abutment against the bottom of the transfer tray 2, ensuring that the bottom of the regulating bin 21 is sealed at the material holding position of the regulating bin 21, and ensuring the precise control of the regulating bin 21.
[0038] Furthermore, a limiting groove 22 is provided on the upper surface of the transfer tray 2, and the depth of the limiting groove 22 is equal to the thickness of the baffle plate 35, the adjustment bin 21 is in an arc-shaped elliptical shape, and the width of the adjustment bin 21 is equal to the diameter of the feed pipe 13, the diameter of the feed pipe 13 is equal to the diameter of the discharge hole at the bottom of the storage hopper 1, and the feed pipe 13 is used for unloading materials, so that a controlled amount of materials can enter the rice mill.
[0039] Furthermore, the centers of the regulating bin 21, the limiting chute 22 and the baffle plate 35 are all at the same position, and the baffle plate 35 is displaced in an arc shape inside the limiting chute 22. By setting the baffle plate 35, it is displaced following the regulating plate 3, thereby preventing the material from entering the rear side of the regulating plate 3 after the volume of the regulating bin 21 is adjusted, thereby ensuring the quantitative accuracy of the regulating bin 21. Both ends of the inner wall of the regulating bin 21 are semi-circular structures, and a guide hole is opened in the center of the semi-circular structure at one end, and the inner sliding of the guide hole penetrates There is a guide shaft 31, which is fixedly connected to the center of one side of the adjustment plate 3 located at the baffle plate 35. The guide shaft 31 is an arc-shaped cylindrical structure, and the center of the guide shaft 31 is at the same position as the center of the adjustment bin 21. Through the setting of the guide shaft 31, it mainly plays an auxiliary guide for the displacement of the adjustment plate 3, ensuring that the adjustment plate 3 slides accurately inside the adjustment bin 21, and plays a good guiding and limiting role. The upper and lower sides of the inner wall of the adjustment bin 21 corresponding to the guide hole are also provided with through grooves, and the interior of the through grooves is penetrated by teeth. The toothed structure of the rack 32 is meshed with a first gear 33 on the outside, the center of the first gear 33 is connected to the driving end of the worm gear reduction motor 34, and the outer wall of the worm gear reduction motor 34 is fixedly connected to the inner wall of the transfer tray 2 through a support seat, the worm gear reduction motor 34 is provided with two upper and lower driving ends, and the outsides of the two driving ends are fixedly connected with a first gear 33, the outside of each set of adjustment plates 3 corresponds to two first gears 33 and the rack 32, and the outer wall of the rack 32 is connected to the center through an arc guide rail. The inner wall of the rotating material plate 2 is slidably connected, and the displacement of the adjusting plate 3 is mainly driven and controlled by the setting of the rack 32, the first gear 33 and the worm gear reduction motor 34 (model 55lyx). The first gear 33 is driven to rotate by starting the worm gear reduction motor 34, and then the rack 32 is driven to rotate in an arc through the rotation of the first gear 33, thereby pushing the adjusting plate 3, and realizing the flexible adjustment of the size of the internal adjustment bin 21, and realizing different quantitative unloading processing.
[0040] Furthermore, a limit slot 23 is provided at the center of the inner wall of the transfer tray 2. The limit slot 23 has a hexagonal structure, and a hexagonal groove is provided at the center of the limit slot 23. The outer wall of the drive shaft 43 is provided with a hexagonal protrusion, and the hexagonal protrusion is engaged with the inside of the hexagonal groove of the limit slot 23. Through the mutual engagement and abutment of the hexagonal shapes, the rotation drive of the drive shaft 43 can drive the transfer tray 2 to rotate, thereby realizing the transmission connection between the two. The bottom of the drive shaft 43 is threadedly connected with a locking nut 44, and the upper surface of the locking nut 44 abuts against the lower surface of the limit slot 23. The outer wall of the drive shaft 43 is in a hexagonal shape with the center of the positioning plate 11 through a ball bearing. The driving shaft 43 is rotatably connected, and the center of the driving shaft 43 is a hollow structure. The connecting line of the worm gear reduction motor 34 passes through the driving shaft 43 to the outside of the positioning plate 11. The connecting lines of the worm gear reduction motor 34 and the servo motor 4 are commonly connected to a set of servo control systems. Through the control of the external servo system, the driving speed and rotation angle of the servo motor 4 and the worm gear reduction motor 34 can be flexibly controlled, thereby realizing material unloading processing at different frequencies, and at the same time realizing different quantitative unloading of materials inside the silo 21, which greatly improves the flexibility and adaptability of the device, ensures the accurate and controllable unloading, and avoids excessive or insufficient unloading at one time.
[0041] Working principle: The worm gear reduction motor 34 and servo motor 4 used in this application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be repeated here. When the present invention is used, the device is first installed so that it cooperates with the feeding end of the rice milling machine, and then a proper amount of material is added to the inside of the storage hopper 1. The frequency and amount of material discharge of the device are adjusted according to the adapted discharge amount of the rice milling machine. The worm gear reduction motor 34 and the servo motor 4 are driven by the servo system respectively, so that the worm gear reduction motor 34 drives the first gear 33 to rotate, and then drives the rack 32 to rotate and displace, so as to realize the push adjustment of the adjustment plate 3, and then make The composition space of the adjusting silo 21 and the adjusting plate 3 can be flexibly adjusted, and at the same time, the driving of the servo motor 4 drives the second gear 41 to rotate, and further drives the driving shaft 43 to rotate through the engagement of the third gear 42, so as to realize the different speed adjustment of the transfer tray 2, and then when the transfer tray 2 rotates, when the adjusting silo 21 rotates to the discharge hole at the bottom of the storage hopper 1, the material falls into the inside of the adjusting silo 21, and through the continuous rotation of the transfer tray 2, the adjusting silo 21 is rotated to the feed pipe 13, so that the material inside the adjusting silo 21 is guided to the inside of the rice milling machine through the feed pipe 13 for rice milling processing, so that the volume size of the adjusting silo 21 and the speed of the transfer tray 2 are adjusted, and the precise control of the material discharge of the device is effectively realized.
[0042] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
Claims
1. A flow control and guiding device for a rice mill, characterized in that: include: A storage hopper (1), wherein a positioning plate (11) is integrally arranged below the storage hopper (1), and a sealing plate (12) is connected to the bottom flange of the positioning plate (11), and a feed pipe (13) is integrally arranged at the bottom of the sealing plate (12), and the storage hopper (1) is used for storing materials; A transfer tray (2), the transfer tray (2) being rotatably disposed between the positioning plate (11) and the sealing plate (12), and having two sets of regulating bins (21) on the transfer tray (2), and the regulating bins (21) being used for controlling the amount of material to be taken; An adjusting plate (3), wherein the adjusting plate (3) is slidably abutted against the inner wall of the adjusting silo (21), the outer wall of the adjusting plate (3) is fixedly connected with a guide shaft (31), and the guide shaft (31) is in through-type sliding connection with the wall of the adjusting silo (21), the top of the adjusting plate (3) is fixedly connected with a material blocking plate (35), and the material blocking plate (35) is slidably plugged into the upper surface of the transfer tray (2), and the adjusting plate (3) is used to adjust the size of the internal volume of the silo (21); A servo motor (4), wherein the servo motor (4) is fixedly connected to the upper surface of the positioning plate (11) via a bracket, and the output end of the servo motor (4) is fixedly connected to a second gear (41), the outer portion of the second gear (41) is meshed with a third gear (42), the center of the third gear (42) is fixedly connected to a drive shaft (43), and the drive shaft (43) is interconnected with the transfer tray (2) for driving the transfer tray (2) to rotate.
2. The flow control and guiding device for a rice mill according to claim 1, characterized in that: The storage hopper (1) is in the shape of a conical funnel, and the storage hopper (1) and the positioning plate (11) are in a through-type structure. The outer wall of the positioning plate (11) is fixedly sealed and connected to the sealing plate (12) via a flange ring, and fastening bolts are passed through the corresponding positions of the flange ring and the sealing plate (12). The feed pipe (13) and the discharge hole at the bottom of the storage hopper (1) are symmetrically distributed about the axis of the positioning plate (11).
3. The flow control and guiding device for a rice mill according to claim 1, characterized in that: The upper surface of the transfer tray (2) is provided with a limiting slide groove (22), and the depth of the limiting slide groove (22) is equal to the thickness of the baffle plate (35); the regulating bin (21) is in an arc-shaped ellipse, and the width of the regulating bin (21) is equal to the diameter of the feed pipe (13); and the diameter of the feed pipe (13) is equal to the diameter of the discharge hole at the bottom of the storage hopper (1).
4. The flow control and guiding device for a rice mill according to claim 3, characterized in that: The centers of the regulating silo (21), the limiting slide groove (22) and the material blocking plate (35) are all located at the same position, and the material blocking plate (35) is displaced in an arc shape inside the limiting slide groove (22). Both ends of the inner wall of the regulating silo (21) are semi-circular arc structures, and a guide hole is provided at the center of the semi-circular arc structure at one end, and a guide shaft (31) slides through the inside of the guide hole.
5. The flow control and guiding device for a rice mill according to claim 4, characterized in that: The guide shaft (31) is fixedly connected to the center of one side of the adjusting plate (3) located at the material blocking plate (35), the guide shaft (31) is an arc-shaped cylindrical structure, and the center of the guide shaft (31) is at the same position as the center of the adjusting material bin (21), and the inner wall of the adjusting material bin (21) is provided with through grooves at the upper and lower sides corresponding to the guide hole, and a rack (32) runs through the interior of the through groove.
6. The flow control and guiding device for a rice mill according to claim 5, characterized in that: The toothed structure of the rack (32) is meshed with a first gear (33) on the outside, the center of the first gear (33) is connected to the driving end of a worm gear reduction motor (34), and the outer wall of the worm gear reduction motor (34) is fixedly connected to the inner wall of the transfer tray (2) through a support seat, the worm gear reduction motor (34) is provided with two upper and lower driving ends, and the outside of the two driving ends is fixedly connected to a first gear (33), the outside of each group of the adjustment plates (3) corresponds to two first gears (33) and a rack (32), and the outer wall of the rack (32) is slidably connected to the inner wall of the transfer tray (2) through an arc guide rail.
7. The flow control and guiding device for a rice mill according to claim 1, characterized in that: A limit slot (23) is arranged at the center of the inner wall of the transfer material tray (2), the limit slot (23) is of a hexagonal structure, a hexagonal groove is opened at the center of the limit slot (23), a hexagonal protrusion is arranged on the outer wall of the drive shaft (43), and the hexagonal protrusion is engaged with the inside of the hexagonal groove of the limit slot (23), a locking nut (44) is threadedly connected at the bottom of the drive shaft (43), and the upper surface of the locking nut (44) abuts against the lower surface of the limit slot (23), and the outer wall of the drive shaft (43) is rotatably connected to the center of the positioning plate (11) through a ball bearing.
8. The flow control and guiding device for a rice mill according to claim 7, characterized in that: The center of the driving shaft (43) is a hollow structure, and the connecting wire of the worm gear reduction motor (34) passes through the driving shaft (43) to the outside of the positioning plate (11), and the connecting wires of the worm gear reduction motor (34) and the servo motor (4) are commonly connected to a servo control system.