Flour fine grinding and screening device
By designing a fine flour grinding and screening device, using conical screens and conical plates for grading and screening, and using a grain suction machine to process unqualified flour, the problem of traditional equipment being unable to screen flour has been solved, achieving efficient fine grinding and grading of flour.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional grinding equipment cannot effectively sieve flour during production, resulting in uneven particle size and poor fineness in the ground flour.
A flour fine grinding and screening device was designed, comprising a grinding box, a screening mechanism and a discharge mechanism. It uses a conical screen and a conical plate for screening, and a geared motor drives a rotating rod to drive a pusher plate to achieve flour grading, screening and re-grinding. A grain suction machine is used to process unqualified flour.
It improves the efficiency and fineness of flour screening, prevents flour accumulation, ensures efficient flour output and re-grinding, and enhances the overall quality of flour.
Smart Images
Figure CN224100781U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flour processing field, concretely is a flour fine grinding screening device. BACKGROUND
[0002] Flour is a powder from the wheat grinding, is the staple food of most areas in north China, in the production process of flour, need to grind the raw material of flour, and in the process of grinding, the traditional grinding equipment cannot carry out the screening after grinding the flour raw material, thereby the size of the flour powder ground is uneven, and the fineness is not good.
[0003] Therefore, it is necessary to provide a flour fine grinding screening device. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a flour fine grinding screening device to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A flour fine grinding screening device, including the grinding box, the inside rotation of grinding box installs the grinding roller, the top of grinding box installs the feeding hopper, and the bottom of grinding box is provided with screening mechanism, and the screening mechanism can screen after grinding flour.
[0007] The screening mechanism includes a support seat, a top plate, a conical screen and a conical plate, the top plate is installed on the top of the support seat by bolts, the grinding box is installed on the top of the top plate, and the conical screen and the conical plate are installed in the support seat respectively.
[0008] Preferably, the sidewall of the conical screen is provided with a first protective plate, the sidewall of the conical plate is provided with a second protective plate, the first protective plate and the second protective plate are connected to the inner wall of the support seat respectively, the sidewall of the first protective plate is provided with a first discharge port, and the sidewall of the second protective plate is provided with a second discharge port.
[0009] Preferably, the conical screen and the conical plate are rotatably connected to a rotating rod, the rotating rod is provided with a first pushing plate and a second pushing plate, the first pushing plate slides on the conical screen, and the second pushing plate slides on the conical plate.
[0010] Preferably, the bottom of the support seat is provided with a speed reducer, and the output end of the speed reducer is connected to the lower end of the rotating rod.
[0011] Preferably, the discharging mechanism comprises a first discharging pipe and a second discharging pipe, and a receiving box, the first and second discharging pipes are respectively installed on the side walls of the support base, and the receiving box is placed below the first discharging pipe.
[0012] Preferably, the side walls of the support base are further provided with a first support plate and a second support plate, the first support plate is provided with a first electric push rod, the output end of the first electric push rod is provided with a first baffle plate, the first baffle plate is slidably inserted into the first discharging pipe, and the second support plate is provided with a second electric push rod, the output end of the second electric push rod is provided with a second baffle plate, and the second baffle plate is slidably inserted into the second discharging pipe.
[0013] Preferably, the top of the top plate is provided with a support frame through bolts, the support frame is provided with a grain suction machine through bolts, one end of the grain suction machine is connected to the feeding hopper, the other end of the grain suction machine is provided with a discharging pipe, and the lower end of the discharging pipe is inserted into the receiving box.
[0014] Compared with the prior art, the above technical scheme has the following technical effects:
[0015] By setting the screening mechanism and the discharging mechanism on the flour grinding equipment, after the wheat is ground, the flour is screened through the conical screen, the qualified flour can be collected and discharged through the conical plate, and at the same time, the unqualified flour can be sent into the grinding equipment through the grain suction machine for multiple grinding to increase the fineness of the raw material grinding, which can not only be carried out simultaneously, but also facilitate discharging, prevent flour accumulation, and improve flour screening efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of a flour fine grinding and screening device Figure One ;
[0017] Figure 2 It is a schematic diagram of a flour fine grinding and screening device Figure Two ;
[0018] Figure 3 It is a schematic diagram of a screening mechanism in a flour fine grinding and screening device Figure One ;
[0019] Figure 4 It is a schematic diagram of a screening mechanism in a flour fine grinding and screening device Figure Two ;
[0020] Figure 5 It is a conical screen structure diagram in a flour fine grinding and screening device.
[0021] Figure 6 It is a conical plate structure diagram in a flour fine grinding and screening device.
[0022] Explanation of reference signs: 1, grinding box; 11, grinding roller; 12, feeding hopper; 2, screening mechanism; 21, support seat; 211, top plate; 22, conical screen; 221, first protective plate; 23, conical plate; 231, second protective plate; 24, rotating rod; 25, first pushing plate; 26, second pushing plate; 27, first discharge port; 28, second discharge port; 29, speed reducer motor; 3, discharge mechanism; 31, first discharge pipe; 32, first baffle; 33, first support plate; 331, first electric push rod; 34, receiving box; 35, suction pipe; 36, support frame; 37, grain suction machine; 38, second discharge pipe; 39, second support plate; 391, second electric push rod; 392, second baffle. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] As Figures 1-6 ;
[0025] A fine flour grinding and screening device, comprising a grinding box 1, the inside of the grinding box 1 is used for supporting and installing a grinding roller 11, the grinding roller 11 is rotatably installed in the inside of the grinding box 1, a speed reducer motor is arranged at the rear end of the grinding box 1, the speed reducer motor drives the grinding roller 11 to rotate, and the flour raw material is ground, a feeding hopper 12 is installed at the top of the grinding box 1, a cover plate can also be arranged at the upper end of the feeding hopper 12 to cover it, the flour raw material enters the grinding box 1 through the feeding hopper 12, a screening mechanism 2 is arranged at the bottom of the grinding box 1, and the screening mechanism 2 can screen the ground flour; a discharge mechanism 3 is arranged on the side wall of the screening mechanism 2, and the discharge mechanism 3 can repeatedly grind the screened flour;
[0026] The screening mechanism 2 comprises a support base 21, a top plate 211, a conical screen 22 and a conical plate 23, the top plate 211 is bolted on the top of the support base 21, the top plate 211 is detachable and openable, the grinding box 1 is installed on the top of the top plate 211, the conical screen 22 and the conical plate 23 are respectively installed in the inside of the support base 21, the ground flour falls on the conical screen 22 after being ground, and is screened through the conical screen 22, the screened flour falls on the conical plate 23, the side wall of the conical screen 22 is provided with a first protective plate 221, the first protective plate 221 is used for protecting the flour on the conical screen 22, the side wall of the conical plate 23 is provided with a second protective plate 231, the second protective plate 231 is used for protecting the flour on the conical plate 23, the first protective plate 221 and the second protective plate 231 are respectively connected on the inner wall of the support base 21, the side wall of the first protective plate 221 is provided with a first discharge port 27, the flour on the conical screen 22 can enter into a first discharge pipe 31 through the first discharge port 27, the side wall of the second protective plate 231 is provided with a second discharge port 28, the flour on the conical plate 23 can enter into a second discharge pipe 38 through the second discharge port 28, the conical screen 22 and the conical plate 23 are rotationally installed with a rotating rod 24 in the middle, the rotating rod 24 rotates to drive a first pushing plate 25 and a second pushing plate 26 to rotate, the first pushing plate 25 and the second pushing plate 26 are respectively installed on the rotating rod 24, the first pushing plate 25 slides on the conical screen 22 to prevent the flour from accumulating and improve the flour screening efficiency, and the first pushing plate 25 can also push the flour into the first discharge port 27, the second pushing plate 26 slides on the conical plate 23 to push the flour into the second discharge port 28, a reduction motor 29 is installed on the bottom of the support base 21, the output end of the reduction motor 29 is connected with the lower end of the rotating rod 24, and the reduction motor 29 is used for driving the rotating rod 24 to rotate;
[0027] Further, the discharging mechanism 3 comprises a first discharging pipe 31, a second discharging pipe 38 and a receiving box 34, the first discharging pipe 31 and the second discharging pipe 38 are respectively installed on the side wall of the support base 21, the first discharging pipe 31 is communicated with the first discharging port 27, the second discharging pipe 38 is communicated with the second discharging port 28, the receiving box 34 is placed below the first discharging pipe 31, the bottom of the receiving box 34 is an inclined surface, the sifted flour on the conical screen 22 slides into the first discharging pipe 31 through the first discharging port 27 and falls into the receiving box 34 through the first discharging pipe 31, the side wall of the support base 21 is further provided with a first support plate 33 and a second support plate 39, the first support plate 33 is provided with a first electric push rod 331, the output end of the first electric push rod 331 is provided with a first baffle plate 32, the first baffle plate 32 is slidingly inserted into the first discharging pipe 31, the first electric push rod 331 is used to drive the first baffle plate 32 to ascend and descend, so as to control the opening and closing of the first discharging pipe 31, the second support plate 39 is provided with a second electric push rod 391, the output end of the second electric push rod 391 is provided with a second baffle plate 392, the second baffle plate 392 is slidingly inserted into the second discharging pipe 38, the second electric push rod 391 is used to drive the second baffle plate 392 to ascend and descend, so as to control the opening and closing of the second discharging pipe 38, the top of the top plate 211 is provided with a support frame 36 through bolts, the support frame 36 is provided with a grain suction machine 37 through bolts, the grain suction machine 37 is a pneumatic grain suction machine, the grain suction machine 37 is a model JY-XLJ-219 grain suction machine produced by Shandong Jiayu Machinery Co., Ltd., the grain suction machine 37 is used to suck the flour in the receiving box 34, the grain suction machine 37 is provided with a wind dust prevention system, which can effectively reduce dust pollution, since the structure and operation principle of the grain suction machine 37 are prior art, the structure and operation principle will not be described here, one end of the grain suction machine 37 is connected to the feeding hopper 12, the other end of the grain suction machine 37 is provided with a suction pipe 35, the lower end of the suction pipe 35 is inserted into the receiving box 34, the grain suction machine 37 sucks the unqualified flour in the receiving box 34 through the suction pipe 35 and sends it into the feeding hopper 12 again, so as to grind the raw material again and increase the fineness of the raw material grinding.
[0028] The working principle of the utility model is: through the feed hopper 12 makes the flour raw materials into the grinding box 1, the speed reducer motor drives the grinding roller 11 rotation, the flour raw materials grinding, the flour grinds and falls to the conical screen 22, the speed reducer motor 29 drives the rotating rod 24 rotation, the rotating rod 24 rotates, drives the first pusher plate 25 and the second pusher plate 26 to rotate, the first pusher plate 25 slides on the conical screen 22, pushes the flour, can prevent flour accumulation, improves the flour screening efficiency, can also push the flour into the first discharge port 27, the flour is screened through the conical screen 22, the screened flour falls to the conical plate 23, the second pusher plate 26 slides on the conical plate 23, is used for pushing the flour into the second discharge port 28, the flour can enter the second discharge pipe 38 through the second discharge port 28, through the second electric push rod 391 drives the second baffle 392 to rise, controls the second discharge pipe 38 to open, the second discharge pipe 38 falls the qualified flour, the screened flour on the conical screen 22 slides into the first discharge pipe 31 through the first discharge port 27, falls into the receiving box 34 through the first discharge pipe 31, the grain suction machine 37 extracts the unqualified flour raw materials in the receiving box 34 again and sends into the feed hopper 12 through the material suction pipe 35, grinds the raw materials again, increases the fineness of raw material grinding, thereby not only increases the flour grinding fineness, but also can make the flour grinding and screening discharge qualified flour at the same time.
[0029] In conclusion, by setting screening mechanism and discharge mechanism on the flour grinding equipment, after the wheat is ground, the flour is screened through the conical screen, the qualified flour can be collected and discharged through the conical plate, and the unqualified flour can be sent into the grinding equipment through the grain suction machine for multiple grinding to increase the fineness of raw material grinding, which can not only be performed simultaneously, but also prevent flour accumulation and improve flour screening efficiency.
Claims
1. A flour fine grinding and screening device, comprising a grinding box (1), a grinding roller (11) rotatably mounted inside the grinding box (1), and a feeding hopper (12) mounted on the top of the grinding box (1), characterized in that: a screening mechanism (2) is arranged at the bottom of the grinding box (1) and capable of screening the ground flour; a discharging mechanism (3) is arranged on the side wall of the screening mechanism (2) and capable of repeatedly grinding the screened flour; the screening mechanism (2) comprises a support base (21), a top plate (211), a conical screen (22), and a conical plate (23), the top plate (211) is bolted on the top of the support base (21), the grinding box (1) is mounted on the top of the top plate (211), and the conical screen (22) and the conical plate (23) are respectively mounted inside the support base (21).
2. A flour fine grinding and sifting apparatus as claimed in claim 1, wherein: a first protective plate (221) is mounted on the side wall of the conical screen (22), a second protective plate (231) is mounted on the side wall of the conical plate (23), the first protective plate (221) and the second protective plate (231) are respectively connected to the inner wall of the support base (21), a first discharge port (27) is formed on the side wall of the first protective plate (221), and a second discharge port (28) is formed on the side wall of the second protective plate (231).
3. A flour fine grinding and sifting apparatus as claimed in claim 2, wherein: a rotating rod (24) is rotatably mounted in the middle of the conical screen (22) and the conical plate (23), a first pushing plate (25) and a second pushing plate (26) are respectively mounted on the rotating rod (24), the first pushing plate (25) slides on the conical screen (22), and the second pushing plate (26) slides on the conical plate (23).
4. A flour fine grinding and sifting apparatus as claimed in claim 3, wherein: a speed reducer (29) is mounted at the bottom of the support base (21), and the output end of the speed reducer (29) is connected to the lower end of the rotating rod (24).
5. A flour fine grinding and sifting apparatus as claimed in claim 1, wherein: the discharging mechanism (3) comprises a first discharge pipe (31), a second discharge pipe (38), and a receiving box (34), the first discharge pipe (31) and the second discharge pipe (38) are respectively mounted on the side wall of the support base (21), and the receiving box (34) is placed below the first discharge pipe (31).
6. A flour fine grinding and sifting apparatus as claimed in claim 5, wherein: a first supporting plate (33) and a second supporting plate (39) are further mounted on the side wall of the support base (21), a first electric push rod (331) is mounted on the first supporting plate (33), the output end of the first electric push rod (331) is mounted with a first baffle (32), the first baffle (32) is slidably inserted into the first discharge pipe (31), a second electric push rod (391) is mounted on the second supporting plate (39), the output end of the second electric push rod (391) is mounted with a second baffle (392), and the second baffle (392) is slidably inserted into the second discharge pipe (38).
7. A flour fine grinding and sifting apparatus as claimed in claim 6, wherein: The top of the top plate (211) is supported by a bolted mounting support frame (36), a grain suction machine (37) is bolted on the support frame (36), one end of the grain suction machine (37) is connected to the feed hopper (12), the other end of the grain suction machine (37) is provided with a material suction pipe (35), and the lower end of the material suction pipe (35) is inserted into the material receiving box (34).