Screening device for flour processing

Abstract

The screening device for flour processing comprises a box body, supporting legs are arranged at the four corners of the lower end face of the box body, a feeding hopper is arranged on the front side of the upper end face of the box body in a penetrating mode, a discharging pipe is arranged on the lower end face of the box body in a penetrating mode, a supporting frame is arranged in the box body in a sliding mode, and adjusting rods are rotationally arranged at the left end and the right end in the box body. The adjusting rods are in threaded connection with the supporting frame, the two adjusting rods both extend upwards to penetrate through the box body, the top end of the adjusting rod on one side is connected with a driving motor, a transmission mechanism is arranged between the two adjusting rods, a screen is detachably arranged on the supporting frame, a mounting plate is detachably arranged on the front end face of the box body, and a guide pipe penetrates through the rear end face of the box body. A plurality of air suction pipes penetrate through the bottom end of the air suction cover at intervals, a rotating shaft is arranged at the front end of the air suction cover and extends forwards to penetrate through the box body, a rotating motor is connected to the front end of the rotating shaft, and self-cleaning is facilitated through the design of the air suction pipes.

Description

Technical Field

[0001] The utility model relates to the technical field of flour processing, and more specifically, to a screening device for flour processing. Background Art

[0002] Flour is made from wheat. Wheat flour is divided into special flour, general flour, and nutritionally fortified flour according to its performance and use; it is divided into special first-class flour, special second-class flour, standard flour, ordinary flour, etc. according to its precision; it is divided into high-gluten flour, medium-gluten flour, and low-gluten flour according to the strength of the gluten. In the flour processing process, the flour raw materials generally need to be screened before grinding. When the existing screening device is used, a large amount of impurities remain on the upper end of the screen after screening for a period of time, which needs to be cleaned manually, and there is a lack of suitable self-cleaning mechanism. In addition, the screen is prone to damage after long-term use of the device, and the replacement operation is more troublesome and inconvenient for quick replacement. In addition, during the replacement and maintenance of the device, the disassembly and assembly of the inspection plate is more troublesome, and it is not convenient for quick disassembly and assembly. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides a screening device for flour processing to solve the technical problem mentioned in the background technology that after screening for a period of time, a large amount of impurities remain on the upper end of the screen and need to be cleaned manually, and there is a lack of a suitable self-cleaning mechanism.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a screening device for flour processing, comprising a box body, legs are arranged at the four corners of the lower end face of the box body, a feeding funnel is penetrated through the front side of the upper end face of the box body, a discharge pipe is penetrated through the lower end face of the box body, a support frame is slidably arranged inside the box body, adjustment rods are rotatably arranged at the left and right ends of the box body, the adjustment rods and the support frame are threadedly connected, the two adjustment rods extend upward and penetrate through the box body, a driving motor is connected to the top end of the adjustment rod on one side, a transmission mechanism is arranged between the two adjustment rods, a screen is detachably arranged on the support frame, a mounting plate is detachably arranged on the front end face of the box body, a conduit is penetrated through the rear end face of the box body, an air suction hood is rotatably arranged inside the box body corresponding to the conduit, an air suction pipe is penetrated through the bottom end of the air suction hood, a plurality of the air suction pipes are arranged at intervals, a rotating shaft is arranged at the front end of the air suction hood, the rotating shaft extends forward and penetrates through the box body, and a rotating motor is connected to the front end of the rotating shaft.

[0007] The utility model is further configured such that a discharge seat is provided at the bottom end of the box body corresponding to the discharge pipe to facilitate discharge.

[0008] The utility model is further configured such that the transmission mechanism includes a transmission wheel and a transmission belt, two transmission wheels are provided, the two transmission wheels are respectively mounted on the two adjusting rods, and the transmission belt is sleeved on the outer ends of the two transmission wheels to realize synchronous transmission.

[0009] The utility model is further configured that positioning rods are provided at four corners of the lower end surface of the screen, and positioning holes are opened on the support frame corresponding to the plurality of positioning rods to perform positioning for installation.

[0010] The utility model is further configured that a plurality of the positioning rods are each provided with a locking ring, and the positioning rods and the locking rings are threadedly connected to achieve locking during installation.

[0011] The utility model is further configured such that a mounting groove is provided on the box body corresponding to the mounting plate, mounting rods are symmetrically provided on the mounting plate, and mounting holes are provided on the inner wall of the mounting groove corresponding to the two mounting rods to facilitate the disassembly and assembly of the mounting plate.

[0012] The utility model is further configured such that the two mounting rods are both rotatably mounted on the mounting plate, and limiting mechanisms are provided between the two mounting rods and the mounting holes to facilitate quick disassembly and assembly.

[0013] The utility model is further configured such that the two limiting mechanisms each include a limiting rod, a limiting plate and a limiting block, the limiting rod is installed on the rear side of the mounting rod, the limiting plate and the limiting block are correspondingly arranged, the limiting plate is installed on the limiting rod, and the limiting block is installed on the inner wall of the mounting hole to achieve limiting locking.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a screening device for flour processing, which has the following beneficial effects:

[0016] 1. Through the design of the suction pipe, the conduit is connected to the external suction source to vacuum the inside. The suction hood rotates relative to the suction pipe. The rotating motor and the rotating shaft cooperate to drive the suction hood to rotate, which is convenient for rotating the internal screen to vacuum and facilitate self-cleaning.

[0017] 2. Through the design of the screen, the positioning rod on the screen and the positioning hole on the support frame are matched for positioning, and the threads between the locking ring and the positioning rod are matched to lock the installation, which is convenient for the screen replacement operation and prolongs the service life of the device.

[0018] 3. Through the design of the mounting plate, the mounting plate is disassembled and assembled corresponding to the mounting groove, the mounting rod and the mounting hole are installed in coordination, and the limit plate on the limit rod is clamped corresponding to the limit block inside the mounting hole, which is convenient for quick disassembly and assembly and maintenance operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the preferred overall structure of a screening device for flour processing;

[0020] Figure 2 It is a front side cross-sectional view of the internal structure of a box body of a flour processing screening device preferably without a screen installed;

[0021] Figure 3 A rear side cross-sectional view of the internal structure of a box body of a flour processing screening device preferably without a screen installed;

[0022] Figure 4 It is a left side cross-sectional view of the preferred internal structure of a box body of a screening device for flour processing;

[0023] Figure 5 The present invention is a schematic diagram of the matching structure of a mounting plate, a mounting rod, a limiting rod and a limiting plate preferably used in a screening device for flour processing.

[0024] In the figure: 1. box body; 2. supporting legs; 3. feeding funnel; 4. discharge pipe; 5. supporting frame; 6. adjusting rod; 7. driving motor; 8. screen; 9. mounting plate; 10. conduit; 11. suction hood; 12. suction pipe; 13. rotating shaft; 14. rotating motor; 15. discharge seat; 16. transmission wheel; 17. transmission belt; 18. positioning rod; 19. positioning hole; 20. locking ring; 21. mounting groove; 22. mounting rod; 23. mounting hole; 24. limiting rod; 25. limiting plate; 26. limiting block. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0028] See also Figure 1-5A screening device for flour processing comprises a box body 1, legs 2 are arranged at the four corners of the lower end face of the box body 1, a feeding funnel 3 is penetrated through the front side of the upper end face of the box body 1, a discharge pipe 4 is penetrated through the lower end face of the box body 1, a support frame 5 is slidably arranged inside the box body 1, and adjusting rods 6 are rotatably arranged at both ends of the box body 1, the adjusting rod 6 and the support frame 5 are threadedly connected, the two adjusting rods 6 extend upward and penetrate the box body 1, a driving motor 7 is connected to the top of the adjusting rod 6 on one side, a transmission mechanism is arranged between the two adjusting rods 6, a screen 8 is detachably arranged on the support frame 5, a mounting plate 9 is detachably arranged on the front end face of the box body 1, a conduit 10 is penetrated through the rear end face of the box body 1, an air suction hood 11 is rotatably arranged inside the box body 1 corresponding to the conduit 10, an air suction hood 11 is penetrated through the bottom end of the air suction hood 11, a plurality of air suction hoods 12 are arranged at intervals, a rotating shaft 13 is arranged at the front end of the air suction hood 11, the rotating shaft 13 extends forward and penetrates the box body 1, and a rotating motor 14 is connected to the front end of the rotating shaft 13.

[0029] In this embodiment, the rotating motor 14 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the suction hood 11 to rotate relative to the duct 10, and the suction pipe 12 sucks dust from impurities on the upper side of the screen 8.

[0030] More specifically, the mounting plate 9 is disassembled corresponding to the box body 1, and the internal screen 8 is replaced.

[0031] See also Figure 2-4 As an implementation method for discharging: a discharging seat 15 is provided at the bottom end of the box body 1 corresponding to the discharging pipe 4.

[0032] Specifically, the discharge seat 15 guides the screened wheat raw materials for discharge.

[0033] See also Figure 1-4 As an implementation method of the transmission mechanism: the transmission mechanism includes a transmission wheel 16 and a transmission belt 17, two transmission wheels 16 are provided, the two transmission wheels 16 are respectively installed on the two adjustment rods 6, and the transmission belt 17 is sleeved on the outer ends of the two transmission wheels 16.

[0034] Specifically, the adjusting rods 6 are matched with the transmission wheel 16 and the transmission belt 17 so that the adjusting rods 6 rotate synchronously.

[0035] See also Figure 2-4 As an implementation method of the screen 8: positioning rods 18 are provided at the four corners of the lower end surface of the screen 8, positioning holes 19 are opened on the support frame 5 corresponding to the multiple positioning rods 18, and locking rings 20 are provided on the multiple positioning rods 18, and the positioning rods 18 and the locking rings 20 are threadedly connected.

[0036] Specifically, the positioning rod 18 is installed corresponding to the positioning hole 19, and the locking ring 20 and the positioning rod 18 are threadedly matched to lock the installation.

[0037] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 As an implementation method of the mounting plate 9: a mounting groove 21 is opened on the box body 1 corresponding to the mounting plate 9, and mounting rods 22 are symmetrically arranged on the mounting plate 9. Mounting holes 23 are opened on the inner wall of the mounting groove 21 corresponding to the two mounting rods 22. The two mounting rods 22 are rotatably mounted on the mounting plate 9, and a limiting mechanism is provided between the two mounting rods 22 and the mounting holes 23. The two limiting mechanisms include a limiting rod 24, a limiting plate 25 and a limiting block 26. The limiting rod 24 is installed on the rear side of the mounting rod 22, the limiting plate 25 and the limiting block 26 are correspondingly arranged, the limiting plate 25 is installed on the limiting rod 24, and the limiting block 26 is installed on the inner wall of the mounting hole 23.

[0038] Specifically, the mounting plate 9 is assembled and disassembled corresponding to the mounting groove 21, and the mounting rod 22 is installed corresponding to the mounting hole 23. After being installed to a suitable position, the mounting rod 22 is rotated, and the limiting plate 25 on the limiting rod 24 and the limiting block 26 on the inner wall of the mounting hole 23 cooperate to limit the position, thereby locking the installation.

[0039] In summary, the overall equipment is in use:

[0040] When in the screening state, the raw materials are added into the box body 1 through the feed funnel 3, and the drive motor 7 is started. The drive motor 7 drives the adjusting rod 6 to rotate. The adjusting rod 6 rotates relative to the fixed plate inside the box body 1. The adjusting rod 6 cooperates with the transmission wheel 16 and the transmission belt 17 to rotate synchronously. The adjusting rod 6 and the support frame 5 are threadedly matched, and the support frame 5 drives the screen 8 to adjust its upper and lower positions to improve the screening efficiency.

[0041] When in the vacuuming state, the duct 10 is connected to an external vacuum source, and the vacuum hood 11 and the vacuum pipe 12 cooperate to vacuum the position above the screen 8. The rotating motor 14 is started, and the rotating motor 14 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the vacuum hood 11 to rotate, so as to facilitate and efficiently vacuum.

[0042] When it is in the replacement and maintenance state, rotate the mounting rod 22, and the mounting rod 22 drives the limiting rod 24 and the limiting plate 25 to rotate. After rotating to a suitable angle, remove the mounting plate 9 with the mounting rod 22 from the mounting groove 21, rotate the locking ring 20, the locking ring 20 and the positioning rod 18 are threadedly matched, and the screen 8 with the positioning rod 18 is disassembled, and the positioning rod 18 of the new screen 8 is installed corresponding to the positioning hole 19, the locking ring 20 and the positioning rod 18 are threadedly matched to lock the installation, and the mounting rod 22 of the mounting plate 9 is installed corresponding to the mounting hole 23, rotate the mounting rod 22 to a suitable position, the limiting plate 25 and the limiting block 26 cooperate to limit and lock the installation, which is convenient and quick to disassemble and overhaul.

[0043] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A screening device for flour processing, comprising a box body (1), wherein the four corners of the lower end surface of the box body (1) are provided with supporting legs (2), a feeding funnel (3) is penetrated through the front side of the upper end surface of the box body (1), and a discharge pipe (4) is penetrated through the lower end surface of the box body (1), wherein: A support frame (5) is slidably provided inside the box (1), and adjustment rods (6) are rotatably provided at both left and right ends inside the box (1). The adjustment rods (6) and the support frame (5) are threadedly connected, and the two adjustment rods (6) extend upward and penetrate the box (1). A driving motor (7) is connected to the top of one of the adjustment rods (6), and a transmission mechanism is provided between the two adjustment rods (6). A screen (8) is detachably provided on the support frame (5), and the front end surface of the box (1) is detachable. A mounting plate (9) is provided, a conduit (10) is penetrated through the rear end surface of the box body (1), an air suction hood (11) is rotatably provided inside the box body (1) corresponding to the conduit (10), an air suction pipe (12) is penetrated through the bottom end of the air suction hood (11), a plurality of air suction pipes (12) are arranged at intervals, a rotating shaft (13) is provided at the front end of the air suction hood (11), the rotating shaft (13) extends forward and penetrates through the box body (1), and a rotating motor (14) is connected to the front end of the rotating shaft (13).

2. A flour processing screening device according to claim 1, characterized in that: A discharge seat (15) is provided at the bottom end of the interior of the box body (1) corresponding to the discharge pipe (4).

3. A flour processing screening device according to claim 1, characterized in that: The transmission mechanism comprises a transmission wheel (16) and a transmission belt (17). Two transmission wheels (16) are provided. The two transmission wheels (16) are respectively mounted on the two adjustment rods (6). The transmission belt (17) is sleeved on the outer ends of the two transmission wheels (16).

4. A flour processing screening device according to claim 1, characterized in that: Positioning rods (18) are provided at four corners of the lower end surface of the screen (8), and positioning holes (19) are provided on the support frame (5) corresponding to the plurality of positioning rods (18).

5. A flour processing screening device according to claim 4, characterized in that: A locking ring (20) is provided on each of the plurality of positioning rods (18), and the positioning rods (18) and the locking ring (20) are threadedly connected.

6. A flour processing screening device according to claim 1, characterized in that: The box body (1) is provided with a mounting groove (21) corresponding to the mounting plate (9), the mounting plate (9) is symmetrically provided with mounting rods (22), and the inner wall of the mounting groove (21) is provided with mounting holes (23) corresponding to the two mounting rods (22).

7. A flour processing screening device according to claim 6, characterized in that: The two mounting rods (22) are both rotatably mounted on the mounting plate (9), and a limiting mechanism is provided between the two mounting rods (22) and the mounting hole (23).

8. A flour processing screening device according to claim 7, characterized in that: The two limiting mechanisms each comprise a limiting rod (24), a limiting plate (25) and a limiting block (26); the limiting rod (24) is mounted on the rear side of the mounting rod (22); the limiting plate (25) and the limiting block (26) are arranged correspondingly; the limiting plate (25) is mounted on the limiting rod (24); and the limiting block (26) is mounted on the inner wall of the mounting hole (23).

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