Flour screening machine
By combining a double impeller design with a vibrating motor, the problem of flour clogging the screen in flour screening machines has been solved, achieving efficient flour screening and impurity removal.
Patent Information
- Application Number
- CN202520396027.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing flour screening machines have difficulty completely breaking up damp, clumped flour when processing it, which causes the flour clumps to clog the screen and affect the screening effect.
It adopts a double impeller design, with impeller A located above impeller B. The feed pipe is located between motor A and motor B. When impeller A and impeller B rotate, their rotation ranges partially overlap, and the overlapping part is located directly below the feed pipe. The impellers are equipped with pointed cones to repeatedly tap the clumps of flour, and together with the vibrating motor, the screen vibrates and screens the flour.
It effectively breaks up clumps of flour, prevents clogging of the sieve, improves screening efficiency, reduces the discharge of impurities, and avoids flour waste.
Smart Images

Figure CN223946172U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flour processing technical field, concretely relates to a flour screening machine. BACKGROUND
[0002] The flour screening machine is a mechanical equipment specially used in flour processing industry, mainly used for removing impurities (such as bran, agglomerates, foreign matters, etc.) in flour, ensuring the fineness and purity of flour, and improving product quality. The equipment is widely used in flour mills, food processing plants, baking industry and grain processing field.
[0003] If the environment humidity is large during the storage of flour, the flour will be damp, and part of the flour will be adhered together, and the agglomerated group appears. When the existing flour screening machine works, it is difficult to completely shake the damp agglomerated flour, and the agglomerated flour will stay on the screen surface and be difficult to discharge, which will cause the problem of agglomerated flour blocking the screen, and affect the screening effect. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a flour screening machine to solve the problems in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a flour screening machine, including rack, the material box that moves and sets above the rack, the vibration motor that fixedly sets at the front and rear two sides of the material box, be equipped with screening assembly on the material box, the screening assembly includes the screen A that can be detachably set in the material box, the motor A and motor B that fixedly set above the material box, the impeller A and impeller B that are located in the material box, the impurity discharge pipe that fixedly sets at the left and right sides of the material box and is communicated with the interior of the material box, the feed pipe that fixedly sets above the material box and is communicated with the interior of the material box, the motor A is located at the left side of motor B, the motor A and motor B output shaft are all located in the interior of the material box and are fixedly connected with impeller A and impeller B respectively, the impeller A is located above the impeller B, a plurality of sharp cones are fixedly set on the impeller A and impeller B, the impurity discharge pipe is located above the screen A, the feed pipe is located between motor A and motor B.
[0006] Preferably, the screening assembly further includes an arc-shaped tube located on the left and right sides of the material box, a discharge slot is formed in the bottom wall of the impurity discharge pipe, a screen B is fixedly arranged in the discharge slot, one end of the arc-shaped tube is fixedly connected with the impurity discharge pipe and communicates with the discharge slot, the other end of the arc-shaped tube is fixedly connected with the material box and communicates with the interior of the material box, and the other end of the arc-shaped tube is located below the screen A.
[0007] Preferably, a slot is formed in the front side wall of the material box, and protrusions are fixedly arranged on the left and right side walls in the interior of the material box, and the screen A is slidably connected with the protrusions after being inserted into the slot.
[0008] Preferably, a T-shaped strip is fixedly arranged below the screen A, a T-shaped groove is formed in the top wall of the convex strip, and the T-shaped strip is slidably connected to the T-shaped groove.
[0009] Preferably, the screen assembly further comprises a plurality of convex plates, a plurality of springs A and screws fixedly arranged on the front and rear sides of the bin, the upper and lower ends of the spring A are fixedly connected to the convex plate and the rack respectively, the convex ring is fixedly arranged on the front side of the screen A, screw holes are formed in the top wall of the convex plate, and the screws are screwed into the screw holes after penetrating through the convex ring and are fixedly connected to the convex plate and the convex ring.
[0010] Preferably, the screen assembly further comprises a spring B sleeved on the screw and a handle fixedly arranged on the front side of the screen A, and the upper and lower ends of the spring B are fixedly connected to the screw head and the convex ring respectively.
[0011] Preferably, a feeding hopper is fixedly arranged above the feeding pipe, and a discharge port is formed in the bottom wall of the bin.
[0012] The utility model discloses a beneficial effect lies in: the utility model discloses when using, the screen A is inserted into the slot and is slidably connected to the convex strip, makes the screen A be located the bin inside, makes the screw and the convex plate and the convex ring fixed connection with screwing into the screw hole after penetrating through the convex ring, makes the screen A fixed in the bin inside, completes the installation of screen A, starts motor A and motor B and drives the impeller A and the impeller B rotation, and the flour is poured into the bin inside from the feeding pipe, because the impeller A is located above the impeller B, and the feeding pipe is located between motor A and motor B, and the impeller A and the impeller B have some overlapping range when rotating, and the overlapping part is located directly below the feeding pipe, and the impeller A and the impeller B will beat the flour entering the bin for many times, thereby breaking up the caked flour, which avoids the caked flour from blocking the screen. BRIEF DESCRIPTION OF DRAWINGS
[0013] ATTACHED Figure 1 It is the front view of the utility model;
[0014] ATTACHED Figure 2 It is the structure schematic view of the utility model;
[0015] Figure 2 is a schematic view of the internal structure of the utility model; Figure 3 Figure 2 is a schematic view of the internal structure of the utility model;
[0016] Figure 2 is a schematic view of the internal structure of the utility model; Figure 4 Figure 2 is a schematic view of the internal structure of the utility model;
[0017] Figure 2 is a schematic view of the internal structure of the utility model; Figure 5 Figure 2 is a schematic view of the internal structure of the utility model; Figure 4 Figure 2 is a schematic view of the internal structure of the utility model;
[0018] In the figure: 1, frame; 2, material box; 3, vibration motor; 4, screen A; 5, motor A; 6, motor B; 7, impeller A; 8, impeller B; 9, impurity discharge pipe; 10, feed pipe; 11, sharp cone; 12, arc pipe; 13, discharge chute; 14, screen B; 15, slot; 16, convex strip; 17, T-shaped strip; 18, T-shaped slot; 19, convex plate; 20, spring A; 21, screw; 22, convex ring; 23, screw hole; 24, spring B; 25, handle; 26, feed hopper; 27, discharge port. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0020] As Figures 1-5The utility model discloses a flour screening machine, including frame 1, the material box 2 of movable setting frame 1 top, the vibration motor 3 of fixed setting material box 2 front and back both sides, be equipped with screening assembly on material box 2, screening assembly includes detachable setting screen cloth A 4 in material box 2, fixed setting motor A 5 and motor B 6 in material box 2 top, be located in the impeller A 7 and impeller B 8 in material box 2, fixed setting in material box 2 left and right sides and with material box 2 inside communication impurity discharge pipe 9, fixed setting feed pipe 10 in material box 2 top and with material box 2 inside communication, motor A 5 is located motor B 6 left side, motor A 5 and motor B 6 output shaft are located in material box 2 inside and are fixedly connected with impeller A 7 and impeller B 8 respectively, impeller A 7 is located impeller B 8 top, be equipped with several sharp cone 11 in impeller A 7 and impeller B 8 top, impurity discharge pipe 9 is located screen cloth A 4 top, feed pipe 10 is located between motor A 5 and motor B 6, the utility model discloses when using, screen cloth A 4 is inserted into the slot 15 and convex strip 16 sliding connection, make screen cloth A 4 be located in material box 2 inside, make screw 21 and convex plate 19 and convex ring 22 fixed connection after screw 21 passes through convex ring 22 and is screwed into screw hole 23, make screen cloth A 4 be fixed in material box 2 inside, complete the installation of screen cloth A 4, start motor A 5 and motor B 6 and drive impeller A 7 and impeller B 8 rotate, pour flour from feed pipe 10 into material box 2 inside, because impeller A 7 is located impeller B 8 top, feed pipe 10 is located between motor A 5 and motor B 6, when impeller A 7 and impeller B 8 rotate, and some rotation range overlap, and the overlapping part is located just below feed pipe 10, and impeller A 7 and impeller B 8 will beat the flour entering material box 2 multiple times, thereby will break up the caked flour, plays the role of avoiding the caked flour to jam the screen, because impeller A 7 and impeller B 8 are all fixedly set with several sharp cone 11, and sharp cone 11 will be with the caked flour and point contact, plays the role of more easily breaking up the caked flour, after the flour is broken up and falls on screen cloth A 4, start vibration motor 3 and make screen cloth A 4 vibrate screening to flour, and the flour screened is discharged from the discharge port 27 after passing through screen cloth A 4, and bran foreign matter and other impurities are vibrated to the left and right sides of material box 2 and are discharged through impurity discharge pipe 9, play the role of screening flour and discharging impurities, in the foregoing manner, the utility model has the beneficial effects of breaking up the caked flour, avoiding the caked flour to jam the screen, solves the problem that the caked flour is difficult to be completely vibrated in the existing flour screening machine, and the caked flour stays on the screen surface and is difficult to discharge, resulting in the problem of caked flour jamming the screen, resulting in the problem of affecting the screening effect.
[0021] Preferably, the screening assembly further comprises an arc-shaped tube 12 fixedly arranged on the left and right sides of the flour tank 2, a discharge slot 13 is formed in the bottom wall of the impurity discharge pipe 9, a screen B 14 is fixedly arranged in the discharge slot 13, one end of the arc-shaped tube 12 is fixedly connected with the impurity discharge pipe 9 and communicates with the discharge slot 13, the other end of the arc-shaped tube 12 is fixedly connected with the flour tank 2 and communicates with the interior of the flour tank 2, and the other end of the arc-shaped tube 12 is located below the screen A 4. Since the screen B 14 is fixedly arranged in the discharge slot 13, one end of the arc-shaped tube 12 is fixedly connected with the impurity discharge pipe 9 and communicates with the discharge slot 13, the other end of the arc-shaped tube 12 is fixedly connected with the flour tank 2 and communicates with the interior of the flour tank 2, and part of the flour is vibrated together with the impurities to the impurity discharge pipe 9 when the vibration motor 3 works, the impurities are discharged through the impurity discharge pipe 9, and the flour reenters the flour tank 2 through the screen B 14 and the arc-shaped tube 12, thereby avoiding flour waste.
[0022] Preferably, a slot 15 is formed in the front side wall of the flour tank 2, protrusions 16 are fixedly arranged on the left and right side walls in the interior of the flour tank 2, and the screen A 4 is in sliding connection with the protrusions 16 after being inserted into the slot 15. Since the screen A 4 is in sliding connection with the protrusions 16 after being inserted into the slot 15, the screen A 4 is conveniently disassembled and assembled.
[0023] Preferably, a T-shaped strip 17 is fixedly arranged below the screen A 4, a T-shaped groove 18 matching the T-shaped strip 17 is formed in the top wall of the protrusion 16, and the T-shaped strip 17 is in sliding connection with the protrusion 16 and located in the T-shaped groove 18. Since the T-shaped strip 17 is in sliding connection with the protrusion 16 and located in the T-shaped groove 18, the screen A 4 is prevented from falling off.
[0024] Preferably, the screening assembly further comprises a plurality of flanges 19 and a plurality of springs A 20 and screws 21 fixedly arranged on the front and rear sides of the flour tank 2, the upper and lower ends of the spring A 20 are fixedly connected with the flange 19 and the rack 1 respectively, a protruding ring 22 is fixedly arranged on the front side of the screen A 4, screw holes 23 are formed in the top wall of the flange 19, and the screws 21 are fixedly connected with the flange 19 and the protruding ring 22 after being screwed into the screw holes 23 through the protruding ring 22. When the screen A 4 needs to be installed, the screws 21 are screwed into the screw holes 23 through the protruding ring 22, so that the screws 21 are fixedly connected with the flange 19 and the protruding ring 22, the screen A 4 is fixed in the interior of the flour tank 2, the screws 21 are unscrewed from the screw holes 23 and separated from the protruding ring 22 when disassembled, and the screen A 4 can be pulled out of the slot 15.
[0025] Preferably, the screening assembly further comprises a spring B24 sleeved on the screw 21, and a pull handle 25 fixed on the front side of the screen A4, and the upper and lower ends of the spring B24 are fixedly connected with the screw head of the screw 21 and the convex ring 22 respectively. Since the upper and lower ends of the spring B24 are fixedly connected with the screw head of the screw 21 and the convex ring 22 respectively, the spring B24 exerts a spring force on the screw 21, so that the screw thread of the screw 21 is tightly screwed with the screw hole 23, thereby avoiding loosening of the screw 21; since the pull handle 25 is fixed on the front side of the screen A4, the screen A4 can be conveniently pulled out.
[0026] Preferably, a feeding hopper 26 is fixedly arranged above the feeding pipe 10, and a discharging port 27 is formed in the bottom wall of the material box 2. Since the feeding hopper 26 is fixedly arranged above the feeding pipe 10, the feeding hopper 26 can be conveniently used for feeding; since the discharging port 27 is formed in the bottom wall of the material box 2, the material can be conveniently discharged.
[0027] The above description is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A flour screening machine, comprising a frame (1), a hopper (2) movably arranged above the frame (1), and a vibration motor (3) fixedly arranged on both sides of the front and rear of the hopper (2), characterized in that: The material box (2) is provided with a screening assembly, the screening assembly comprises a screen A (4) which is detachably arranged in the material box (2), a motor A (5) and a motor B (6) which are fixedly arranged above the material box (2), an impeller A (7) and an impeller B (8) which are located in the material box (2), a scum discharge pipe (9) which is fixedly arranged on the left and right sides of the material box (2) and is communicated with the inside of the material box (2), and a feeding pipe (10) which is fixedly arranged above the material box (2) and is communicated with the inside of the material box (2), the motor A (5) is located on the left side of the motor B (6), the output shafts of the motor A (5) and the motor B (6) are located in the inside of the material box (2) and are fixedly connected with the impeller A (7) and the impeller B (8) respectively, the impeller A (7) is located above the impeller B (8), a plurality of sharp cones (11) are fixedly arranged on the impeller A (7) and the impeller B (8), the scum discharge pipe (9) is located above the screen A (4), and the feeding pipe (10) is located between the motor A (5) and the motor B (6).
2. A flour sifting machine according to claim 1, characterized in that: The screening assembly further comprises arc-shaped pipes (12) located on the left and right sides of the material box (2), a discharge slot (13) is formed in the bottom wall of the scum discharge pipe (9), a screen B (14) is fixedly arranged in the discharge slot (13), one end of the arc-shaped pipe (12) is fixedly connected with the scum discharge pipe (9) and is communicated with the discharge slot (13), the other end of the arc-shaped pipe (12) is fixedly connected with the material box (2) and is communicated with the inside of the material box (2), and the other end of the arc-shaped pipe (12) is located below the screen A (4).
3. A flour sifting machine according to claim 1, characterized in that: A slot (15) is formed in the front side wall of the material box (2), protrusions (16) are fixedly arranged on the left and right side walls in the inside of the material box (2), and the screen A (4) is slidably connected with the protrusions (16) after being inserted into the slot (15).
4. A flour sifting machine according to claim 3, characterized in that: A T-shaped strip (17) is fixedly arranged below the screen A (4), a T-shaped groove (18) matched with the T-shaped strip (17) is formed in the top wall of the protrusion (16), and the T-shaped strip (17) is slidably connected with the protrusion (16) and located in the T-shaped groove (18).
5. A flour sifting machine according to claim 3, wherein: The screening assembly further comprises a plurality of convex plates (19) and a plurality of springs A (20) and screws (21) which are fixedly arranged on the front and rear sides of the material box (2), the upper and lower ends of the spring A (20) are fixedly connected with the convex plate (19) and the rack (1) respectively, a convex ring (22) is fixedly arranged on the front side of the screen A (4), screw holes (23) are formed in the top wall of the convex plate (19), and the screws (21) are screwed into the screw holes (23) and fixedly connected with the convex plate (19) and the convex ring (22) after penetrating through the convex ring (22).
6. A flour sifting machine according to claim 4, characterized in that: The screening assembly further comprises a spring B (24) sleeved on the screw (21) and a handle (25) fixedly arranged on the front side of the screen A (4), and the upper and lower ends of the spring B (24) are fixedly connected with the screw head of the screw (21) and the convex ring (22) respectively.
7. A flour sifting machine according to claim 1, characterized in that: A feeding hopper (26) is fixedly arranged above the feeding pipe (10), and a discharge port (27) is formed in the bottom wall of the material box (2).