Grinding and discharging device for wheat flour processing
Patent Information
- Application Number
- CN202522375065.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-10
- Publication Date
- 2026-09-29
- Estimated Expiration
- 2035-11-10
AI Technical Summary
[0004]然而，现有技术在研磨前缺乏有效的预处理工序，小麦直接以完整颗粒的状态进入精研磨阶段，这会导致一系列问题：一方面，坚硬的整粒小麦会对磨盘产生较大的瞬时冲击负荷，不仅增加研磨能耗，还会加速磨盘的磨损；另一方面，由于物料初始粒度大且不均匀，直接研磨会导致研磨效率低下、出粉率不高，且容易造成研磨不充分或面粉粒度不均，影响最终产品的质量
本实用新型接料斗的设置，既可以直接接收来自上游的自动化输送设备（如传送带、提升机）的来料，实现无缝衔接的连续化生产，也可以临时用于接收人工投料或袋装小麦，极大地增强了设备在不同生产场景下的适应性与灵活性，此外，预处理输送架的设置，能够将接料斗内部的小麦输送到研磨箱内部，其中，在输送的过程中，能够对小麦进行预处理（粉碎）处理，进而提高对小麦的研磨效率。
Smart Images
Figure CN224807513U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of wheat flour processing technology, and in particular relates to a grinding and discharging device for wheat flour processing. Background Technology
[0002] The grinding and discharging device for wheat flour processing is a key piece of equipment in the flour milling industry. It is mainly used to process dry and clean wheat grains into wheat flour that meets the requirements through mechanical grinding. Its basic working principle is to feed wheat into a closed grinding chamber, and use the relatively moving grinding discs (such as moving grinding discs and stationary grinding discs) inside to squeeze, shear and grind the wheat, thereby breaking the wheat grains, separating the endosperm and grinding it into powder. Finally, the ground flour is discharged and collected.
[0003] Currently, the grinding devices commonly used in existing technologies are usually relatively simple in structure, mainly consisting of a grinding box with interlocking grinding discs inside. During operation, wheat is poured directly into the feed port at the top of the box and falls into the grinding area between the two grinding discs. After being ground by the grinding discs, the floured wheat is discharged from the discharge port at the bottom of the box.
[0004] However, existing technologies lack effective pretreatment processes before grinding, and wheat directly enters the fine grinding stage as whole grains. This leads to a series of problems: on the one hand, the hard whole wheat grains will generate a large instantaneous impact load on the grinding disc, which will not only increase grinding energy consumption, but also accelerate the wear of the grinding disc; on the other hand, due to the large and uneven initial particle size of the material, direct grinding will result in low grinding efficiency, low flour yield, and is prone to insufficient grinding or uneven flour particle size, affecting the quality of the final product.
[0005] Therefore, it is essential to invent a grinding and discharging device for wheat flour processing. Utility Model Content
[0006] To address the above problems, this utility model proposes a grinding and discharging device for wheat flour processing, and the technical solution used is as follows: A grinding and discharging device for wheat flour processing includes a base, a first support frame, a second support frame, a pretreatment conveyor frame, a receiving hopper, and a grinding box. The base is fixed to the ground, and the first and second support frames are respectively fixed to the base by bolts. The pretreatment conveyor frame is fixed to the first support frame. The receiving hopper is fixed to the feed end of the pretreatment conveyor frame, wherein the receiving hopper is movably disposed below the discharge end of the external wheat transport mechanism. The discharge end of the pretreatment conveyor frame is fixed to the feed inlet of the grinding box, wherein the grinding box is fixed to the second support frame by bolts.
[0007] Furthermore, the pretreatment conveying frame includes a feeding pipe, a crushing frame, a first rotating shaft, a first servo motor, a second rotating shaft, spiral blades, and a second servo motor. Several feeding pipes are arranged in a linear array, with the two outermost feeding pipes fixed to a receiving hopper and a grinding box, respectively. Each feeding pipe is bolted to a first support frame, and adjacent feeding pipes are rotatably mounted with crushing frames via sealed bearings. The outer surfaces of the crushing frames are engaged with the first rotating shaft via gears. The first rotating shaft is rotatably mounted on the outside of the feeding pipes via support bearings, and one end of the first rotating shaft is fixed to the output end of the first servo motor. The base of the first servo motor is fixed to the corresponding feed pipe by bolts; a second rotating shaft is rotatably mounted inside the feed pipe through a sealed bearing, wherein several spiral blades with the same direction of rotation are fixed on the outer side of the second rotating shaft, and the output end of the crushing frame is movably arranged between adjacent spiral blades; the end of the second rotating shaft is fixed to the output end of the second servo motor, and the base of the second servo motor is fixed to the corresponding feed pipe by bolts; both the first servo motor and the second servo motor are electrically connected to an external production computer through a data cable. This configuration enables the wheat inside the receiving hopper to be transported into the grinding box and crushed.
[0008] Furthermore, the crushing frame includes a connecting sleeve, crushing blades, and an inner cylinder. The two ends of the connecting sleeve are rotatably connected to the corresponding conveying pipes via sealed bearings, and the outer side of the connecting sleeve is engaged with the first rotating shaft via gears. A plurality of crushing blades are uniformly fixed inside the connecting sleeve, wherein the end of the crushing blades away from the connecting sleeve is fixed with an inner cylinder, which is rotatably mounted on the second rotating shaft via sealed bearings. This arrangement allows the crushing blades to crush the wheat conveyed by the conveying pipes under the drive of the first rotating shaft.
[0009] Furthermore, the grinding box includes a box body, a feed pipe, a worktable, a third servo motor, a grinding column, a grinding sleeve, a discharge port, and a scraper. The box body is bolted to the upper end of the second support frame, and the upper end of the box body is fixed to the discharge end of the pre-treatment conveyor frame via the feed pipe. The worktable is bolted to the inside of the box body, and the third servo motor is bolted to the inside of the worktable. The third servo motor is electrically connected to an external production computer via a data cable. The output end of the third servo motor is fixed to the grinding column, which is movably disposed inside the box body on the upper side of the worktable. The inner wall of the box body outside the grinding column is bolted to the grinding sleeve. A discharge port is provided at the lower end of the box body. A scraper is bolted to the lower end of the grinding column, and the scraper is movably disposed between the worktable and the box body. With this arrangement, the grinding column and the grinding sleeve can grind wheat into wheat flour. The wheat flour will fall between the worktable and the box body and be discharged through the discharge port under the action of the scraper.
[0010] Compared with the prior art, the present invention has the following beneficial effects: The receiving hopper of this utility model can directly receive materials from upstream automated conveying equipment (such as conveyor belts and elevators) to achieve seamless continuous production. It can also be temporarily used to receive manually fed or bagged wheat, greatly enhancing the adaptability and flexibility of the equipment in different production scenarios. In addition, the pre-treatment conveyor rack can transport the wheat inside the receiving hopper to the grinding box. During the conveying process, the wheat can be pre-treated (crushed), thereby improving the grinding efficiency of the wheat. Attached Figure Description
[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 This is a schematic diagram of the pretreatment conveyor frame of this utility model.
[0014] Figure 3 This is a schematic diagram of the structure of the second rotating shaft and the helical blade of this utility model.
[0015] Figure 4 This is a schematic diagram of the structure of the crusher of this utility model.
[0016] Figure 5This is a schematic diagram of the structure of the grinding box of this utility model.
[0017] In the picture: 1-Base, 2-First support frame, 3-Second support frame, 4-Pre-treatment conveyor frame, 41-Feeding pipe, 42-Crushing frame, 421-Connecting sleeve, 422-Crushing blade, 423-Inner cylinder, 43-First rotating shaft, 44-First servo motor, 45-Second rotating shaft, 46-Helical blade, 47-Second servo motor, 5-Receiving hopper, 6-Grinding box, 61-Box body, 62-Feeding pipe, 63-Workbench, 64-Third servo motor, 65-Grinding column, 66-Grinding sleeve, 67-Discharge port, 68-Scraper. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0019] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", "around", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0020] Please see Figures 1 to 5 As shown, this utility model is a grinding and discharging device for wheat flour processing, including a base 1, a first support frame 2, a second support frame 3, a pretreatment conveying frame 4, a receiving hopper 5, and a grinding box 6. The base 1 is fixed to the ground, and the first support frame 2 and the second support frame 3 are respectively fixed to the base 1 by bolts. The pretreatment conveying frame 4 is fixed to the first support frame 2. The receiving hopper 5 is fixed to the feeding end of the pretreatment conveying frame 4, wherein the receiving hopper 5 is movably arranged below the discharge end of the external wheat transport mechanism. The discharge end of the pretreatment conveying frame 4 is fixed to the feeding port of the grinding box 6, wherein the grinding box 6 is fixed to the second support frame 3 by bolts.
[0021] Specifically, the pretreatment conveying frame 4 includes a conveying pipe 41, a crushing frame 42, a first rotating shaft 43, a first servo motor 44, a second rotating shaft 45, a spiral blade 46, and a second servo motor 47. Several conveying pipes 41 are arranged in a straight line array, with the two outermost conveying pipes 41 fixed to the receiving hopper 5 and the grinding box 6, respectively. Each conveying pipe 41 is bolted to the first support frame 2, and the crushing frame 42 is rotatably mounted between adjacent conveying pipes 41 via sealed bearings. The outer surfaces of the crushing frames 42 are meshed with the first rotating shaft 43 via gears. The first rotating shaft 43 is rotatably mounted on the outside of the conveying pipes 41 via support bearings, and one end of the first rotating shaft 43 is fixed to the output end of the first servo motor 44. The base of the first servo motor 44 is bolted to the corresponding conveying pipe 41. The interior of the conveying pipe 41 rotates via sealed bearings. A second rotating shaft 45 is installed, and several spiral blades 46 with the same direction of rotation are fixed on the outer surface of the second rotating shaft 45. The output end of the crushing frame 42 is movably arranged between adjacent spiral blades 46. The end of the second rotating shaft 45 is fixed to the output end of the second servo motor 47, and the base of the second servo motor 47 is fixed to the corresponding feed pipe 41 by bolts. The first servo motor 44 and the second servo motor 47 are both electrically connected to an external production computer through data cables. With this configuration, in use, the wheat inside the receiving hopper 5 can be transported into the grinding box 6 through the cooperation of the feed pipe 41, the second rotating shaft 45, the spiral blades 46 and the second servo motor 47. At the same time, through the cooperation of the first servo motor 44 and the first rotating shaft 43, the crushing frame 42 can rotate on the grinding box 6, thereby crushing the wheat inside the grinding box 6.
[0022] Specifically, the crushing frame 42 includes a connecting sleeve 421, crushing blades 422, and an inner cylinder 423. The two ends of the connecting sleeve 421 are rotatably connected to the corresponding conveying pipes 41 through sealed bearings, and the outer side of the connecting sleeve 421 is engaged with the first rotating shaft 43 through gears. A plurality of crushing blades 422 are uniformly fixed inside the connecting sleeve 421, and the inner cylinder 423 is fixed at the end of the crushing blades 422 away from the connecting sleeve 421. The inner cylinder 423 is rotatably mounted on the second rotating shaft 45 through sealed bearings. With this arrangement, the crushing frame 42 can rotate under the drive of the first rotating shaft 43 during use, so that the crushing blades 422 can crush the wheat conveyed by the conveying pipes 41. In addition, the inner cylinder 423 can prevent the crushing blades 422 from deforming under pressure.
[0023] Specifically, the grinding box 6 includes a box body 61, a feed pipe 62, a worktable 63, a third servo motor 64, a grinding column 65, a grinding sleeve 66, a discharge port 67, and a scraper 68. The box body 61 is bolted to the upper end of the second support frame 3, and the upper end of the box body 61 is fixed to the discharge end of the pretreatment conveyor frame 4 via the feed pipe 62. The worktable 63 is bolted inside the box body 61, and the third servo motor 64 is bolted inside the worktable 63. The third servo motor 64 is electrically connected to an external production computer via a data cable. The output end of the third servo motor 64 is fixed to the grinding column 65, which is movably disposed inside the box body 61 on the upper side of the worktable 63. A grinding sleeve 66 is bolted to the inner wall of the housing 61 outside the grinding column 65; a discharge port 67 is provided at the lower end of the housing 61; a scraper 68 is bolted to the lower end of the grinding column 65, wherein the scraper 68 is movably arranged between the worktable 63 and the housing 61. In use, wheat will enter between the grinding column 65 and the grinding sleeve 66 along the feed pipe 62. The grinding column 65 will rotate relative to the grinding sleeve 66 under the drive of the third servo motor 64, and the grinding column 65 and the grinding sleeve 66 can grind the wheat into wheat flour. At this time, the wheat flour will fall between the worktable 63 and the housing 61, and under the action of the scraper 68, it will be discharged through the discharge port 67.
[0024] Please see Figure 1-5 As shown, this utility model is a grinding and discharging device for wheat flour processing. Its working principle is as follows: when in use, wheat is first received through the receiving hopper 5. The wheat will enter the grinding box 6 under the action of the pre-treatment conveyor 4. The grinding box 6 grinds the wheat into powder and then discharges it.
[0025] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0026] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A grinding and discharging device for wheat flour processing, comprising a base (1), a first support frame (2), a second support frame (3), a pretreatment conveying frame (4), a receiving hopper (5), and a grinding box (6), characterized in that: The base (1) is fixed on the ground, and a first support frame (2) and a second support frame (3) are fixed on the base (1); a pretreatment conveyor frame (4) is fixed on the first support frame (2); a receiving hopper (5) is fixed at the feeding end of the pretreatment conveyor frame (4), wherein the receiving hopper (5) is movably arranged below the discharge end of the external wheat transport mechanism; the discharge end of the pretreatment conveyor frame (4) is fixed to the feeding port of the grinding box (6), wherein the grinding box (6) is fixed on the second support frame (3).
2. The grinding and discharging device for wheat flour processing as described in claim 1, characterized in that: The pretreatment conveying frame (4) includes a conveying pipe (41), a crushing frame (42), a first rotating shaft (43), a first servo motor (44), a second rotating shaft (45), a spiral blade (46), and a second servo motor (47). Several conveying pipes (41) are arranged in a straight line array, with the two outermost conveying pipes (41) fixed to the receiving hopper (5) and the grinding box (6), respectively. All conveying pipes (41) are fixed to the first support frame (2), and a crushing frame (42) is installed between adjacent conveying pipes (41). The outer surfaces of the crushing frames (42) are meshed with the first rotating shaft (43) via gears, wherein the first rotating shaft (43) is rotatably mounted on the outside of the conveying pipes (41). One end of the first rotating shaft (43) is fixed to the output end of the first servo motor (44), and the base of the first servo motor (44) is fixed to the corresponding feed pipe (41). The feed pipe (41) is internally mounted with a second rotating shaft (45), and the outer side of the second rotating shaft (45) is fixed with several spiral blades (46) with the same direction of rotation. The output end of the crushing rack (42) is movably arranged between adjacent spiral blades (46). The end of the second rotating shaft (45) is fixed to the output end of the second servo motor (47), and the base of the second servo motor (47) is fixed to the corresponding feed pipe (41). The first servo motor (44) and the second servo motor (47) are both electrically connected to an external production computer via a data cable.
3. The grinding and discharging device for wheat flour processing as described in claim 2, characterized in that: The crushing frame (42) includes a connecting sleeve (421), crushing blades (422) and an inner cylinder (423). The two ends of the connecting sleeve (421) are rotatably connected to the corresponding feed pipes (41), and the outer side of the connecting sleeve (421) is engaged with the first rotating shaft (43) by a gear. A number of crushing blades (422) are uniformly fixed inside the connecting sleeve (421), and the inner cylinder (423) is fixed at the end of the crushing blades (422) away from the connecting sleeve (421). The inner cylinder (423) is rotatably mounted on the second rotating shaft (45).
4. The grinding and discharging device for wheat flour processing as described in claim 1, characterized in that: The grinding box (6) includes a box body (61), a feed pipe (62), a worktable (63), a third servo motor (64), a grinding column (65), a grinding sleeve (66), a discharge port (67), and a scraper (68). The box body (61) is fixed to the upper end of the second support frame (3), and the upper end of the box body (61) is fixed to the discharge end of the pretreatment conveyor frame (4) through the feed pipe (62). The worktable (63) is fixed inside the box body (61), and the third servo motor (64) is fixed inside the worktable (63). The motor (64) is electrically connected to an external production computer via a data cable; the output end of the third servo motor (64) is fixed with a grinding column (65), wherein the grinding column (65) is movably disposed inside the housing (61) on the upper side of the worktable (63), and a grinding sleeve (66) is fixed on the inner wall of the housing (61) outside the grinding column (65); a discharge port (67) is opened at the lower end of the housing (61); a scraper (68) is fixed at the lower end of the grinding column (65), wherein the scraper (68) is movably disposed between the worktable (63) and the housing (61).