Screening device for flour processing

Abstract

The utility model discloses a material screening device for flour processing, which comprises a material screening box, a positioning block is fixedly arranged on the inner wall of the material screening box, the upper side surface of the positioning block is fixedly connected with an ejection spring, a screen is arranged in the material screening box, the screen is abutted against the upper end of the ejection spring, and the lower end of the ejection spring is connected with the material screening box. The inner wall of the screening box is sunken outwards to form a mounting groove, an elastic limiting part is connected to the mounting groove in a sliding mode, and the elastic limiting part elastically stretches out and draws back on the mounting groove; compared with the prior art, the elastic limiting part capable of elastically and telescopically moving is matched with the ejection spring to clamp the screen mesh of the screening device in the screening box, the screen mesh can be mounted and dismounted through stretching and retracting of the elastic limiting part, and when the screen mesh needs to be dismounted and cleaned, only the elastic telescopic part needs to be pressed into the mounting groove in the inner wall of the screening box, and then the screen mesh can be dismounted and cleaned. And then the screen is popped out under the ejection action of the ejection spring, so that the screen is convenient to mount and dismount, the screen is convenient to clean, and the screen is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of flour processing, in particular to a material screening device used for flour processing. Background Art

[0002] Flour is a powder made from wheat. According to the protein content in the flour, it can be divided into high-gluten flour, medium-gluten flour, low-gluten flour and gluten-free flour. Flour (wheat flour) is the staple food in most parts of northern China. There are many kinds of food made from flour, with various styles and different flavors. In the production and processing of flour, the screening device is used to screen the flour, sifting out the condensed flour and foreign matter in the flour to ensure the fineness of the flour.

[0003] The current screening device for flour processing has certain defects when used. The screening device uses a screen to screen flour. During the long-term use of the screen, in order to avoid clogging of the screen, the screen needs to be cleaned regularly. However, the screen is not convenient to disassemble when the existing screening device is used. The screen is fixed in the screening box with bolt fasteners, which requires time and effort to disassemble the bolt fasteners when the screen is disassembled, which is inconvenient and causes the screen to be unable to be cleaned conveniently. Therefore, improvements are now made to the screening device for flour processing. Utility Model Content

[0004] The purpose of the utility model is to provide a material screening device for flour processing to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device for flour processing, comprising a screening box, a positioning block is fixedly installed on the inner wall of the screening box, an ejection spring is fixedly connected to the upper side of the positioning block, a screen is arranged inside the screening box, the screen abuts against the upper end of the ejection spring, the inner wall of the screening box is recessed outward to form a mounting groove, an elastic limiting part is slidably connected to the mounting groove, the elastic limiting part elastically expands and contracts on the mounting groove, and the elastic limiting part abuts against the upper side of the screen, and the screen is arranged inside the screening box through the ejection spring and the elastic limiting part.

[0006] As a preferred technical solution of the utility model, the screening box includes a box body, a box cover is fixedly installed on the upper side of the box body, a feed pipe is installed through the box cover, a discharge pipe is installed through the lower end of the box body, and support legs are arranged on the outer side of the box body.

[0007] As a preferred technical solution of the utility model, a sealing ring is provided on the lower side of the box cover, and the number of the supporting legs is four, and the four supporting legs are symmetrically distributed on the outer side of the box body.

[0008] As a preferred technical solution of the utility model, the number of the positioning blocks is four, and the four positioning blocks are symmetrically distributed on the inner wall of the screening box.

[0009] As a preferred technical solution of the utility model, the elastic limiting portion includes a limiting block, the limiting block is wedge-shaped, and a return spring is fixedly connected to one side of the limiting block.

[0010] As a preferred technical solution of the utility model, one end of the reset spring is fixedly connected to the inner wall of the installation groove, the limit block slides elastically on the installation groove through the reset spring, and the limit block abuts against the upper side of the screen.

[0011] As a preferred technical solution of the utility model, the feed pipe includes a tube body, and a mounting plate is arranged on the outer side of the tube body. The mounting plate is annular and has a plurality of mounting screw holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses a screening device for flour processing, wherein a screen of the screening device is clamped in a screening box by an elastic limiting part that is elastically telescopically movable and cooperates with an ejection spring, and the screen can be installed and disassembled by utilizing the extension and contraction of the elastic limiting part. When the screen needs to be disassembled and cleaned, it is only necessary to press the elastic telescopic part into the installation groove of the inner wall of the screening box, and then the screen is ejected under the ejection action of the ejection spring, which is convenient for the installation and disassembly of the screen, convenient for cleaning the screen, and avoids clogging of the screen, thereby solving the problem in the prior art that the screen of the screening device is inconvenient to install and disassemble, which makes it inconvenient to clean the screen and easily causes clogging of the screen.

[0014] Other features and advantages of the present invention will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the screening box of the utility model;

[0017] Figure 3 For the utility model Figure 1 The structural diagram at A in the middle;

[0018] Figure 4 It is a structural schematic diagram of the elastic limiting part of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the feed pipe of the utility model.

[0020] In the figure: 1. screening box; 11. box body; 12. box cover; 13. feed pipe; 131. pipe body; 132. mounting plate; 133. mounting screw hole; 14. discharge pipe; 15. support leg; 2. positioning block; 3. ejection spring; 4. screen; 5. mounting groove; 6. elastic limit part; 61. limit block; 62. reset spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-5 In this embodiment, a screening device for flour processing is provided, including a screening box 1, four symmetrically distributed positioning blocks 2 are arranged on the inner wall of the screening box 1, and an ejection spring 3 is fixedly connected to the upper side of the positioning block 2. A screen 4 for screening flour is placed inside the screening box 1, and the screen 4 presses the ejection spring 3 downward, and then the elastic limiting part 6 in the installation groove 5 is limited, and the elastic limiting part 6 cooperates with the ejection spring 3 to clamp and fix the screen 4;

[0025] Specifically, refer to Figure 2The screening box 1 comprises a box body 11, a box cover 12 is fixedly mounted on the upper side of the box body 11, a feed pipe 13 is penetrated and mounted on the box cover 12, a discharge pipe 14 is penetrated and mounted on the lower end of the box body 11, a support leg 15 is arranged on the outer side of the box body 11, a sealing ring is arranged on the lower side of the box cover 12, there are four support legs 15, and the four support legs 15 are symmetrically distributed on the outer side of the box body 11, the feed pipe 13 on the box cover 12 is used for pouring flour that needs to be screened, and after being screened by the screen 4, the flour is discharged through the discharge pipe 14, and the support leg 15 is used for placing the entire screening device;

[0026] Specifically, refer to Figure 4 The elastic limiting portion 6 includes a limiting block 61, which is wedge-shaped. A return spring 62 is fixedly connected to one side of the limiting block 61. One end of the return spring 62 is fixedly connected to the inner wall of the mounting groove 5. The limiting block 61 elastically slides on the mounting groove 5 through the return spring 62. The limiting block 61 abuts against the upper side of the screen 4. The wedge-shaped limiting block 61 can facilitate the insertion of the screen 4 when the screen 4 is installed. The return spring 62 ensures that the limiting block 61 can be elastically retracted, thereby facilitating the installation and removal of the screen 4. The elastically retractable limiting block 61 is used to achieve the abutment and fixation of the screen 4, thereby facilitating the installation and removal of the screen 4.

[0027] Specifically, refer to Figure 5 The feed pipe 13 includes a tube body 131, and a mounting plate 132 is provided on the outer side of the tube body 131. The mounting plate 132 is annular and has a plurality of mounting screw holes 133. The feed pipe 13 is installed and fixed by utilizing the plurality of mounting screw holes 133 on the mounting plate 132 to ensure that the feed pipe 13 can be fixed on the box cover 12.

[0028] Working principle: When using the screening device of the present application, the box body 11 of the screening box 1 is placed and fixed by the supporting legs 15, the flour to be screened is poured into the box body 11 through the feed pipe 13 on the box cover 12, the flour is screened through the screen 4, and the screened flour is discharged through the discharge pipe 14. When the screen 4 needs to be cleaned, the limit block 61 is squeezed so that the limit block 61 squeezes the reset spring 62 and shrinks the limit block 61 in the installation groove 5, and then the screen 4 pops up under the ejection action of the ejection spring 3, which facilitates the disassembly of the screen 4 and the cleaning of the screen 4.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A material screening device for flour processing, characterized in that: The invention comprises a screening box (1), wherein a positioning block (2) is fixedly mounted on the inner wall of the screening box (1), an ejection spring (3) is fixedly connected to the upper side of the positioning block (2), a screen (4) is arranged inside the screening box (1), the screen (4) abuts against the upper end of the ejection spring (3), the inner wall of the screening box (1) is recessed outward to form a mounting groove (5), an elastic limiting portion (6) is slidably connected to the mounting groove (5), the elastic limiting portion (6) elastically expands and contracts on the mounting groove (5), and the elastic limiting portion (6) abuts against the upper side of the screen (4), and the screen (4) is arranged inside the screening box (1) via the ejection spring (3) and the elastic limiting portion (6).

2. A material screening device for flour processing according to claim 1, characterized in that: The screening box (1) comprises a box body (11), a box cover (12) is fixedly mounted on the upper side of the box body (11), a feed pipe (13) is installed through the box cover (12), a discharge pipe (14) is installed through the lower end of the box body (11), and support legs (15) are arranged on the outer side of the box body (11).

3. A material screening device for flour processing according to claim 2, characterized in that: A sealing ring is provided on the lower side of the box cover (12), and the number of the supporting legs (15) is four, and the four supporting legs (15) are symmetrically distributed on the outer side of the box body (11).

4. A material screening device for flour processing according to claim 1, characterized in that: The number of the positioning blocks (2) is four, and the four positioning blocks (2) are symmetrically distributed inside the inner wall of the screening box (1).

5. A material screening device for flour processing according to claim 1, characterized in that: The elastic limiting portion (6) comprises a limiting block (61), the limiting block (61) is wedge-shaped, and a return spring (62) is fixedly connected to one side of the limiting block (61).

6. A material screening device for flour processing according to claim 5, characterized in that: One end of the return spring (62) is fixedly connected to the inner wall of the mounting groove (5), and the limit block (61) elastically slides on the mounting groove (5) through the return spring (62), and the limit block (61) abuts against the upper side of the screen (4).

7. A material screening device for flour processing according to claim 2, characterized in that: The feed pipe (13) comprises a pipe body (131), the outer side surface of the pipe body (131) is provided with a mounting plate (132), the mounting plate (132) is annular, and a plurality of mounting screw holes (133) are provided on the mounting plate (132).

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