Flour vibrating screen

Abstract

The utility model relates to the technical field of vibrating screens, and particularly discloses a flour vibrating screen which comprises a fixed base. The mounting cover is arranged above the fixed base; the vibrator is fixedly mounted on the outer side wall of the mounting cover; the limiting mechanism is fixedly mounted at the top end of the fixed base, and the limiting mechanism comprises a sleeving ring, a first telescopic spring and a limiting plate; through the arrangement of a sleeving ring, a first extension spring, a limiting plate and a second extension spring, when the vibration amplitude is adjusted, the telescopic insertion rod and the first extension spring are elastically extended and retracted through the stretching operation of the telescopic insertion rod, and then the telescopic insertion rod and the first extension spring are limited and inserted in the limiting plate, so that the vibration amplitude is adjusted. And then the first telescopic spring is limited and fixed in the sleeving ring, so that the telescopic force of the spring can be adjusted during vibration screening, and the vibration amplitude can be adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of vibrating screens, and in particular relates to a flour vibrating screen. Background Art

[0002] Vibrating screen is a commonly used screening equipment, usually used for grading and screening of granular materials. Its working principle is to make the granular materials subject to lateral vibration force and gravity during the screening process through the vibrating screen, so as to achieve grading and screening of granular materials. Vibrating screen is widely used in many industries, such as mining, chemical industry, building materials and other fields.

[0003] The vibration amplitude of the current vibrating screen is often relatively fixed when it is working, making it impossible to perform graded vibration operations according to powders of different materials during the vibration operation, and it is impossible to break up clumped flour during the vibration screening, resulting in poor effect when vibrating and screening clumped flour, thereby affecting the functionality of the flour vibrating screen. Utility Model Content

[0004] The utility model aims to provide a flour vibrating screen to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A flour vibrating screen, comprising:

[0007] Fixed base;

[0008] A mounting cover, the mounting cover being arranged above the fixed base;

[0009] a vibrator, the vibrator being fixedly mounted on the outer side wall of the mounting cover;

[0010] A limiting mechanism, the limiting mechanism is fixedly installed on the top of the fixed base, the limiting mechanism includes a sleeve ring, a first telescopic spring and a limiting plate, the sleeve ring is fixedly connected to the top of the fixed base, a first telescopic spring is arranged inside the sleeve ring, the top of the first telescopic spring is fixedly connected to the limiting plate, the top of the limiting plate is fixedly connected to the second telescopic spring, a first tension spring is installed outside the sleeve ring, and a telescopic rod is fixedly connected to the outer side wall of the first tension spring.

[0011] Preferably, the telescopic rod is inserted through the interior of the sleeve ring, the telescopic rod is elastically telescopically connected to the first tension spring, and the telescopic rod is inserted inside the limiting plate.

[0012] Preferably, a screening mechanism is fixedly connected to the top of the mounting cover, the mounting cover is fixedly connected to the top of the limiting mechanism, and a vibrating screening mechanism is provided at the top of the screening mechanism.

[0013] Preferably, the screening mechanism comprises a first screening bin, a second screening bin and a discharge plate, the bottom end of the first screening bin is fixedly connected to the second screening bin, the bottom end of the second screening bin is fixedly connected to the discharge plate, and a discharge trough is arranged on the outside of one side of the discharge plate.

[0014] Preferably, the outer surfaces of the first sieve bin and the second sieve bin are both provided with holes and grooves, and the bottom ends of the first sieve bin and the second sieve bin are both provided with discharge ports.

[0015] Preferably, the vibrating screen mechanism includes a second tension spring, a first material stripping plate and a compression spring, the second tension spring is fixedly connected to the inner wall of the first screen bin, one side of the second tension spring is externally fixedly connected to the first material stripping plate, the top end of the first material stripping plate is installed with a compression spring, and the top end of the compression spring is fixedly connected to the second material stripping plate.

[0016] Preferably, the second material-diverting plate and the first material-diverting plate are both provided with circular holes on their exteriors, and the second material-diverting plate is elastically telescopically connected to the extrusion spring.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The utility model provides a sleeve ring, a first telescopic spring, a limit plate and a second telescopic spring, so that when the vibration amplitude is adjusted, the telescopic rod is stretched so that the telescopic rod and the first telescopic spring are elastically stretched and contracted, and then the limit plate is inserted inside the limit plate, and then the first telescopic spring is fixed inside the sleeve ring. In this way, when vibrating screening is performed, the expansion and contraction force of the spring can be adjusted, thereby realizing the adjustment of the vibration amplitude.

[0019] (2) The utility model provides a second tension spring, a first material stripping plate, a compression spring and a second material stripping plate, so that when a ball of flour falls to the outside of the second material stripping plate, the elastic expansion and contraction between the second material stripping plate and the compression spring can effectively break up the flour during vibration screening. The broken flour can be discharged and screened through the penetration holes inside the second material stripping plate and the first material stripping plate, thereby greatly increasing the functionality of the vibration device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 For this utility model Figure 1 The overall structural diagram of the middle screening mechanism;

[0022] Figure 3 For this utility model Figure 1 The overall structural diagram of the middle limit mechanism;

[0023] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A in the middle.

[0024] In the figure: 1. fixed base; 2. mounting cover; 3. vibrator; 4. limiting mechanism; 401. sleeve ring; 402. first telescopic spring; 403. limiting plate; 404. second telescopic spring; 405. first tension spring; 406. telescopic plug rod; 5. screening mechanism; 501. first screening bin; 502. second screening bin; 503. unloading plate; 504. discharging trough; 6. vibrating screening mechanism; 601. second tension spring; 602. first material shifting plate; 603. extrusion spring; 604. second material shifting plate. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1:

[0027] See also Figure 1-Figure 4 As shown, a flour vibrating screen comprises:

[0028] Fixed base 1;

[0029] An installation cover 2 is arranged above the fixed base 1;

[0030] A vibrator 3, the vibrator 3 is fixedly mounted on the outer side wall of the mounting cover 2;

[0031] The limiting mechanism 4 is fixedly installed on the top of the fixed base 1. The limiting mechanism 4 includes a sleeve ring 401, a first telescopic spring 402 and a limiting plate 403. The sleeve ring 401 is fixedly connected to the top of the fixed base 1. The first telescopic spring 402 is arranged inside the sleeve ring 401. The top of the first telescopic spring 402 is fixedly connected to the limiting plate 403. The top of the limiting plate 403 is fixedly connected to the second telescopic spring 404. The outside of the sleeve ring 401 is installed with a first tension spring 405. A telescopic rod 406 is fixedly connected to the outer wall of the first tension spring 405. The telescopic rod 406 is inserted through the inside of the sleeve ring 401. The telescopic rod 406 is elastically telescopically connected to the first tension spring 405. The telescopic rod 406 is inserted inside the limiting plate 403.

[0032] Specifically, by inserting and limiting the telescopic rod 406 inside the limiting plate 403, the elastic force between the second telescopic spring 404 and the first telescopic spring 402 can be adjusted, so that the vibration amplitude of the vibrator 3 during screen vibration can be adjusted after operation.

[0033] As can be seen from the above, when the vibration amplitude is adjusted, by stretching the telescopic rod 406, the telescopic rod 406 and the first tension spring 405 can be elastically stretched and contracted, so that the telescopic rod 406 can be limitedly inserted inside the limit plate 403, and then the first telescopic spring 402 can be limited and fixed inside the sleeve ring 401, so that when the screen is vibrating, the telescopic force of the spring can be adjusted, thereby realizing the adjustment of the vibration amplitude.

[0034] Embodiment 2:

[0035] refer to Figure 3 and Figure 4 As shown, the top of the mounting cover 2 is fixedly connected with a screening mechanism 5, the mounting cover 2 is fixedly connected to the top of the limiting mechanism 4, the top of the screening mechanism 5 is provided with a vibrating screening mechanism 6, the screening mechanism 5 comprises a first screening bin 501, a second screening bin 502 and a discharge plate 503, the bottom end of the first screening bin 501 is fixedly connected with the second screening bin 502, the bottom end of the second screening bin 502 is fixedly connected with the discharge plate 503, a discharge trough 504 is provided on the outside of one side of the discharge plate 503, the outer surfaces of the first screening bin 501 and the second screening bin 502 are both provided with holes and grooves, and the bottom ends of the first screening bin 501 and the second screening bin 502 are both provided with discharge ports.

[0036] Specifically, after the flour is primarily vibrated and screened through the first sieve bin 501 , large pieces of flour are discharged through the discharge port at the bottom of the first sieve bin 501 , and relatively fine flour falls into the second sieve bin 502 for secondary vibrating and screening.

[0037] Preferably, reference Figure 1-Figure 4 As shown, the vibrating screen mechanism 6 includes a second tension spring 601, a first material shifting plate 602 and an extrusion spring 603. The second tension spring 601 is fixedly connected to the inner wall of the first sieve bin 501. One side of the second tension spring 601 is fixedly connected to the first material shifting plate 602. The top of the first material shifting plate 602 is installed with an extrusion spring 603. The top of the extrusion spring 603 is fixedly connected to the second material shifting plate 604. The second material shifting plate 604 and the first material shifting plate 602 are both penetrated by circular holes on the outside, and the second material shifting plate 604 is elastically telescopically connected to the extrusion spring 603.

[0038] From the above, it can be seen that when the flour in a ball falls to the outside of the second material stripper plate 604, the elastic expansion and contraction between the second material stripper plate 604 and the extrusion spring 603 can break up the flour during vibration and sieving, so that the broken flour can be discharged and sifted through the penetration holes inside the second material stripper plate 604 and the first material stripper plate 602, thereby greatly increasing the functionality of the vibration device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flour vibrating screen, characterized in that: include: A fixed base (1); A mounting cover (2), wherein the mounting cover (2) is arranged above the fixed base (1); A vibrator (3), wherein the vibrator (3) is fixedly mounted on an outer side wall of the mounting cover (2); A limiting mechanism (4), wherein the limiting mechanism (4) is fixedly mounted on the top of the fixed base (1), and the limiting mechanism (4) comprises a sleeve ring (401), a first telescopic spring (402) and a limiting plate (403); the sleeve ring (401) is fixedly connected to the top of the fixed base (1); a first telescopic spring (402) is arranged inside the sleeve ring (401); the top of the first telescopic spring (402) is fixedly connected to the limiting plate (403); the top of the limiting plate (403) is fixedly connected to a second telescopic spring (404); a first tension spring (405) is mounted outside the sleeve ring (401); a telescopic plug rod (406) is fixedly connected to the outer wall of the first tension spring (405).

2. A flour vibrating screen according to claim 1, characterized in that: The telescopic rod (406) is inserted through the interior of the sleeve ring (401), the telescopic rod (406) is elastically telescopically connected to the first tension spring (405), and the telescopic rod (406) is inserted inside the limiting plate (403).

3. A flour vibrating screen according to claim 1, characterized in that: The top of the installation cover (2) is fixedly connected to a screening mechanism (5), the installation cover (2) is fixedly connected to the top of a limiting mechanism (4), and the top of the screening mechanism (5) is provided with a vibrating screening mechanism (6).

4. A flour vibrating screen according to claim 3, characterized in that: The screening mechanism (5) comprises a first screening bin (501), a second screening bin (502) and a discharge plate (503); the bottom end of the first screening bin (501) is fixedly connected to the second screening bin (502); the bottom end of the second screening bin (502) is fixedly connected to the discharge plate (503); and a discharge trough (504) is provided on the outside of one side of the discharge plate (503).

5. A flour vibrating screen according to claim 4, characterized in that: The outer surfaces of the first sieve bin (501) and the second sieve bin (502) are both provided with holes and grooves, and the bottom ends of the first sieve bin (501) and the second sieve bin (502) are both provided with discharge ports.

6. A flour vibrating screen according to claim 3, characterized in that: The vibrating screen mechanism (6) comprises a second tension spring (601), a first material-shifting plate (602) and a compression spring (603); the second tension spring (601) is fixedly connected to the inner wall of the first screen bin (501); one side of the second tension spring (601) is externally fixedly connected to the first material-shifting plate (602); the top end of the first material-shifting plate (602) is provided with a compression spring (603); the top end of the compression spring (603) is fixedly connected to the second material-shifting plate (604).

7. A flour vibrating screen according to claim 6, characterized in that: The second material shifting plate (604) and the first material shifting plate (602) are both provided with circular holes through their exteriors, and the second material shifting plate (604) is elastically and telescopically connected to the extrusion spring (603).

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