Novel energy-saving multi-frequency sieve core structure

Abstract

The novel energy-saving multi-frequency screen core structure comprises spring supports fixedly arranged at the two ends of a connecting cross beam, a screen plate is arranged above the connecting cross beam, inner frames are fixedly arranged on the left side and the right side of the bottom end of the screen plate, outer frames are fixedly arranged at the positions, corresponding to the inner frames, of the outer wall of the connecting cross beam, and the outer frames are fixedly arranged on the outer wall of the connecting cross beam. The outer frame and the inner frame are flexibly connected through a shear spring assembly, and the shear spring assembly comprises an inner shear spring and an outer shear spring; flange plates are arranged on the spring supports, the flange plates and the connecting cross beam are coaxially arranged, and a plurality of flange holes are formed in the flange plates; the vibrating screen has the advantages of being good in energy-saving effect, small in time-sharing noise of the vibrating screen, stable in vibrating operation of the screen plate, stable and reliable in structure, good in vibration transmission effect, flexible and convenient to use, simple in structure, capable of being suitable for screening of different materials, flexible and convenient to use, convenient to disassemble and assemble the screen core and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of compound frequency screen, concretely to a novel energy -conserving compound frequency screen core structure. BACKGROUND

[0002] The existing vibrating screen, no matter any form vibrating screen, if needing to satisfy screening function, must reach corresponding vibration intensity, vibration intensity and amplitude are in direct ratio, vibration source (no matter exciter or vibrating motor) drives screening machine to participate in vibration, wants to reach corresponding amplitude and must provide corresponding exciting force, and exciting force and required motor power are in direct ratio, so motor power changes along with equipment model size (vibration weight), that is to say, vibration weight is big, and required motor power is big,

[0003] Patent publication No. CN212397266U discloses a side help frame structure double-sided compound frequency screen core, specifically discloses that two side help frames are connected with screen plate, the output shaft of motor is connected with side help frame through end transmission, single-shaft tubular exciter is installed on side help through exciter flange, internal crossbeam is arranged on the side of single-shaft tubular exciter, the force received on side help is all on its plane through the setting of side help frame, and the stress condition is better, and it is not easy to damage, and it is more firm, the overall weight is lighter, and the cost is lower, but since the compound frequency screen is single-mass screen machine, the required motor power is large, the energy consumption is large, the noise is large during vibrating screening, the screen surface inclination angle is not adjustable, and the screen core is inconvenient to disassemble and assemble. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, provides a novel energy -conserving compound frequency screen core structure, the screen core is double-mass vibration, the required motor power is also reduced accordingly, thereby realizing the energy -consaving effect, the noise is small during vibrating screening, the screen plate vibration operation is stable, the structure is stable and reliable, the vibration transmission effect is good, the screen surface inclination angle is applicable to the screening of different materials, is flexible and convenient to use, the structure is simple, the screen core is convenient to disassemble and assemble, and the problems in the background art can be effectively solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a novel energy -conserving compound frequency screen core structure, including the spring support fixedly arranged at the both ends of the connecting crossbeam, the upper of connecting crossbeam is equipped with screen plate, the left and right sides of screen plate bottom end are all fixedly provided with inner frame, the outer wall of connecting crossbeam is all fixedly provided with outer frame at the position corresponding to inner frame, and the outer frame is flexibly connected with inner frame through the shearing spring assembly;The flange plate is arranged on the spring support, the flange plate is coaxial with the connecting crossbeam, and a plurality of flange holes are formed in the flange plate.

[0006] Further, the outer frame is an inverted U-shaped plate structure, and the inner frame penetrates into the opening of the outer frame, the shear spring assembly comprises inner shear springs and outer shear springs, the outer side end surface of the inner frame and the outer side plate of the outer frame are connected with each other through the inner shear springs, and the inner side end surface of the inner frame and the inner side plate of the outer frame are connected with each other through the outer shear springs.

[0007] Further, the inner frame comprises a lower half clamping ring and an upper half clamping ring, the lower half clamping ring and the upper half clamping ring are fixedly and detachably connected through connecting bolts, and the lower half clamping ring and the upper half clamping ring are fixed and clamped on the connecting beam; a connecting plate is arranged above the upper half clamping ring, and the outer frame is connected with the connecting plate through the shear spring assembly.

[0008] Further, the connecting beam is a tubular structure, and the clamping ring surfaces of the lower half clamping ring and the upper half clamping ring are both semicircular structures; a clearance hole is arranged at the center of the flange plate.

[0009] Compared with the prior art, the energy-saving and multi-frequency screen core structure has the advantages that: the connecting beam and the inner frame are fixedly connected to form a mass body one, the screen plate and the outer frame are fixedly connected to form a mass body two, the mass body one and the mass body two are flexibly connected through the shear spring assembly composed of the inner shear springs and the outer shear springs, the amplitude amplification function can be realized according to the double-mass vibration principle, the required motor power is correspondingly reduced, and thus the energy-saving effect is realized; the inner frame and the outer frame are flexibly connected through the shear springs, the structure is simple, the noise is small during the vibration screening, and the screen plate vibration operation is stable; the connecting structure between the outer frame and the inner frame is stable and reliable, the vibration transmission effect is improved; the screen surface inclination angle of the screen plate can be adjusted by disassembling the lower half clamping ring and the upper half clamping ring, the use is flexible and convenient, the screen plate can be applied to the screening of different materials, and the screen core is convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structural schematic view of the utility model;

[0011] Figure 2 It is a front view of the utility model;

[0012] Figure 3 It is a side view of the inner frame of the utility model;

[0013] Figure 4 It is a structural schematic view of the screen plate and the outer frame of the utility model.

[0014] In the drawing: 1, connecting beam; 2, spring support; 21, flange plate; 22, flange hole; 23, clearance hole; 3, inner frame; 31, lower half clamping ring; 32, upper half clamping ring; 321, connecting plate; 33, connecting bolt; 4, screen plate; 5, outer frame; 6, inner shear spring; 7, outer shear spring. DETAILED DESCRIPTION

[0015] 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 work fall within the scope of the present application. Embodiment

[0016] Please refer to Figures 1-4 The utility model provides a technical scheme: a novel energy -conserving complex frequency screen core structure, including the spring support 2 that is equipped with fixedly in both ends of connecting crossbeam 1, the top of connecting crossbeam 1 is equipped with screen plate 4, and the left and right sides of screen plate 4 bottom end are both fixedly equipped with inner frame 3, and the outer wall of connecting crossbeam 1 is all fixedly equipped with outer frame 5 at the position corresponding inner frame 3,

[0017] The inner frame 3 includes lower half snap ring 31 and upper half snap ring 32, and the lower half snap ring 31 and the upper half snap ring 32 are detachably fixedly connected by connecting bolt 33, and the lower half snap ring 31 and the upper half snap ring 32 are fixed and clamped on the connecting crossbeam 1, the upper half snap ring 32 is equipped with connecting plate 321, and the outer frame 5 is connected with the connecting plate 321 through the shearing spring assembly, and the connecting crossbeam 1 is tubular structure, and the snap ring surface of the lower half snap ring 31 and the upper half snap ring 32 is semicircular structure,

[0018] The outer frame 5 is inverted U-shaped plate structure, and the connecting plate 321 of the inner frame 3 penetrates into the opening of the outer frame 5, and the outer side end surface of the connecting plate 321 and the outer side plate of the outer frame 5 are connected with each other through the inner shearing spring 6, and the inner side end surface of the connecting plate 321 and the inner side plate of the outer frame 5 are connected with each other through the outer shearing spring 7,

[0019] The spring support 2 is all equipped with flange plate 21, and the flange plate 21 is coaxially arranged with the connecting crossbeam 1, and a plurality of flange holes 22 are formed in the flange plate 21, and a clearance hole 23 is formed in the center of the flange plate 21.

[0020] Working principle:

[0021] The vibration motor or exciter is fixedly connected to the connecting beam 1 through the flange plate 21 on the spring support 2; the connecting beam 1 and the inner frame 3 are fixedly connected to form a mass one, and the screen plate 4 and the outer frame 5 are fixedly connected to form a mass two; the mass one and the mass two are flexibly connected through a shear spring assembly composed of the inner shear spring 6 and the outer shear spring 7; the mass one generates vibration under the action of the vibration source; the vibration generated by the mass one is transmitted to the mass two through the inner shear spring 6 and the outer shear spring 7, that is, the vibration generated by the connecting beam 1 and the inner frame 3 is transmitted to the screen plate 4 and the outer frame 5, so that the screen plate 4 vibrates and sieves; according to the double-mass vibration principle, the amplitude amplification function can be realized, that is, the mass two can meet the amplitude strength by the smaller amplitude generated by the mass one, and the amplitude required by the mass one is directly generated by the vibration source, so that the required motor power is also reduced, thereby realizing the energy-saving effect; and the inner frame 3 and the outer frame 5 are flexibly connected through the shear spring, the structure is simple, the noise is small, and the screen plate 4 vibrates stably;

[0022] The outer frame 5 is an inverted U-shaped plate structure, the connecting plate 321 of the inner frame 3 penetrates into the opening of the outer frame 5, the connecting plate 321 is connected to the two side plates of the outer frame 5 through the inner shear spring 6 and the outer shear spring 7, the connecting structure between the outer frame 5 and the inner frame 3 is stable and reliable, and the vibration transmission effect is improved;

[0023] The connecting beam 1 is a tubular structure, the clamping ring surfaces of the lower half clamping ring 31 and the upper half clamping ring 32 are both semicircular structures, the screen surface inclination angle of the screen plate 4 can be adjusted by disassembling the lower half clamping ring 31 and the upper half clamping ring 32, the screen plate 4 can be applied to the sieving of different materials, the screen core is convenient to disassemble and assemble, and the use is flexible and convenient.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel energy-saving multi-frequency screen core structure, comprising spring supports fixedly mounted at both ends of a connecting crossbeam, characterized in that: A sieve plate is provided above the connecting crossbeam, and inner frames are fixed on both the left and right sides of the bottom end of the sieve plate. Outer frames are fixed on the outer wall of the connecting crossbeam at the positions corresponding to the inner frames. The outer frames and inner frames are flexibly connected by a shear spring assembly. Flanges are provided on the spring supports. The flanges are coaxially arranged with the connecting crossbeam, and multiple flange holes are opened on the flanges.

2. The novel energy-saving multi-frequency screen core structure according to claim 1, characterized in that: The outer frame is an inverted U-shaped plate structure, and the inner frame extends through the opening of the outer frame. The shear spring assembly includes an inner shear spring and an outer shear spring. The outer end face of the inner frame is connected to the outer side plate of the outer frame through the inner shear spring, and the inner end face of the inner frame is connected to the inner side plate of the outer frame through the outer shear spring.

3. The novel energy-saving multi-frequency sieve core structure according to claim 1, characterized in that: The inner frame includes a lower half retaining ring and an upper half retaining ring. The lower half retaining ring and the upper half retaining ring are detachably fixed together by connecting bolts, and the lower half retaining ring and the upper half retaining ring are fixed to each other and snapped onto the connecting crossbeam. A connecting plate is provided above the upper half retaining ring, and the outer frame is connected to the connecting plate by a shear spring assembly.

4. The novel energy-saving multi-frequency screen core structure according to claim 3, characterized in that: The connecting beam is a tubular structure, and the retaining surfaces of both the lower and upper retaining rings are semi-circular; a clearance hole is provided at the center of the flange.

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