CN214918137U - Vibration-damping pressure-resistant classifying screen - Google Patents

Abstract

The utility model discloses a damping resistance to compression classifying screen, including screen frame and bearing structure, the screen frame includes the pressure bar that is located the superiors, the bottom plate that is located the lowermost floor and the screen frame curb plate that sets up between pressure bar and bottom plate, the bottom of bottom plate is connected with screen frame motor, screen frame length direction one side is connected with screen frame material distributing nozzle, arrange the multilayer support inner frame between pressure bar and the bottom plate, be fixed with the sieve piece on the support inner frame; the support structure comprises a vibration damping rubber block and a bottom bracket, wherein the vibration damping rubber block is arranged at the support connection part of the bottom bracket and the screen body; the utility model discloses can conveniently dismantle the sieve to choose for use the damping rubber piece to promote the stability of screen frame, have comparable market value.

Description

Vibration-damping pressure-resistant classifying screen

Technical Field

The utility model belongs to the technical field of grain machinery, especially, relate to a damping resistance to compression classifying screen.

Background

The classifying screen is used for screening and sorting grains by controlling the vibration of the screen plate through the vibrating motor, the raw materials are uniformly sent into the vibrating screen main body, the vibrating screen main body is driven by the vibration exciting part to perform reciprocating vibration operation, the raw materials are classified through the vibrating screen and then the screen pieces in the vibrating screen main body, and the classified raw materials are sent out through the combined discharge port. In the course of the work, for high-efficient quickly separating cereal, the classifying screen needs frequent reciprocating vibration, causes parts deformation such as sieve piece, support column easily, and cereal splashes and blocks the scheduling problem.

The screen frame of current classifying screen is mostly the drum rotation, and the volume is big and dismantle difficultly, and it is complicated to change the sieve step to because weight and long-term vibration operation, support bracket produces deformation very easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that lead to deformation and the new sieve complex operation of replacement in the classifying screen vibration process, overcome not enough and the defect mentioned in the above background art, provide a damping resistance to compression classifying screen.

In order to solve the technical problem, the utility model provides a technical scheme does:

a vibration-damping compression-resistant grading sieve comprises a sieve body and a supporting structure, wherein the sieve body comprises a pressure bar positioned on the uppermost layer, a bottom plate positioned on the lowermost layer and a sieve body side plate arranged between the pressure bar and the bottom plate, the bottom of the bottom plate is connected with a sieve body motor, one side of the sieve body in the length direction is connected with a sieve body distributing nozzle, a multilayer supporting inner frame is arranged between the pressure bar and the bottom plate, and sieve pieces are fixed on the supporting inner frame; the supporting structure comprises a vibration reduction rubber block and a bottom bracket, wherein the vibration reduction rubber block is arranged at the supporting connection position of the bottom bracket and the screen body.

Preferably, the four vibration damping rubber blocks are arranged in total, and are parallel to each other in the length direction and the width direction; in the length direction of the bottom plate, the distance between the vibration-damping rubber blocks and the end, not connected with the screen body distributing nozzle, of the bottom plate is A, the distance between the two vibration-damping rubber blocks is B, the distance between the vibration-damping rubber blocks and the end, connected with the screen body distributing nozzle, of the bottom plate is C, and the ratio of A to B to C is 15-17: 50-80: 8-10; in the width direction of the bottom plate, the width of the bottom plate is D, the distance between the two vibration damping rubber blocks is E, and the ratio of E to D is 40-43: 50.

Preferably, a mold spring is arranged in the vibration damping rubber block, vibration damping rubber is wrapped outside the spring, and a cylindrical hole is formed in the inner diameter of the spring by the vibration damping rubber.

Preferably, the major structure of pressure thick stick is for violently indulging the support side pipe of overlap, and support side pipe connection has a plurality of rubber to press the thick stick support column, presses to be provided with on the thick stick curb plate of the back of thick stick one side and presses the hook, through pressing hook connection spring couple, spring couple will press thick stick and screen frame curb plate fixed from the outside.

Preferably, a cylindrical hollow hole is formed in the inner side of the supporting column of the rubber pressing bar and is connected with the pressing bar through a screw.

Preferably, the spring hook is a high-pressure spring.

Preferably, an outer side force guide plate is arranged outside the screen body motor, round holes are formed in the outer side force guide plate and the force guide plate on the inner side of the screen body motor, and a transverse pull round pipe is inserted into the round holes.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the grading sieve body structure of the multilayer sieve plate is designed, the pressing bars can be simply disassembled through the fixing mode of the multilayer supporting inner frame, the pressing bars and the spring hooks to replace the sieve plates, and convenience is provided for replacing and cleaning the sieve plates in the using process;

(2) the vibration-damping rubber block is fixed at the joint of the screen body and the supporting structure, and the vibration-damping rubber block with the spring arranged inside can be supported and buffered in the middle of the frame and the screen body, so that the vibration-damping rubber block is resistant to pressure for a long time and is prevented from deforming.

(3) The rubber pressure bar supporting column is selected for supporting the pressure bar, and the supporting column resists pressure permanently, so that the deformation can be kept under the long-term pressure, and the effects of vibration reduction, buffering and silencing are also achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic side view of a sizing screen;

FIG. 2 is a schematic view of a press bar construction;

FIG. 3 is a front view of the exterior structure of a strut of a squeegee;

FIG. 4 is a cross-sectional view of a strut of the squeegee;

FIG. 5 is a top view of a strut of the bumper;

FIG. 6 is a schematic view of the position of laying the vibration-damping rubber blocks;

FIG. 7 is a front view of the outer structure of the damping rubber block;

FIG. 8 is a cross-sectional view of a vibration dampening rubber block;

fig. 9 is a plan view of the damper rubber block.

In the figure: 1. pressing the bar; 2. 1 layer of sieve sheet; 3. a spring hook; 4. an upper inner frame; 5. 2 layers of sieve sheets; 6. a lower inner frame; 7. 3 layers of sieve sheets; 8. a base plate; 9. transversely stretching the screen body; 10. the screen body transverse tie bar is connected with the flange; 11. a screen body distributing nozzle; 12. a vibration damping rubber block; 13. an outer force guide plate; 14. transversely pulling the circular tube; 15. a bottom bracket; 16. a rubber pressing bar supporting column; 17. a rear pressure bar side plate; 18. pressing a hook; 19. supporting the square pipe; 20. damping rubber; 21. and (4) a die spring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Unless otherwise specifically stated, various raw materials and equipment used in the present invention can be purchased from the market.

Example 1:

as shown in fig. 1, the vibration-damping and pressure-resistant classifying screen of the embodiment comprises a screen body and a supporting structure, wherein the screen body comprises a pressing bar 1 positioned on the uppermost layer and a bottom plate 8 positioned on the lowermost layer, the bottom of the bottom plate 8 is connected with a screen body motor, one side of the screen body in the length direction is connected with a screen body distributing nozzle 11, an upper inner frame 4 and a lower inner frame 6 are arranged between the pressing bar 1 and the bottom plate 8, 1 layer of screen pieces 2, 2 layers of screen pieces 5 and 3 layers of screen pieces 7 are arranged on the upper inner frame 4 and the lower inner frame 6, a screen body transverse tie bar 9 is transversely inserted below the bottom plate 8 and is fixed on the bottom plate 8 through a screen body transverse tie bar connecting flange 10 to reinforce the screen body; the supporting structure comprises a damping rubber block 12 and a bottom bracket 15, wherein the damping rubber block 12 is arranged at the supporting connection part of the bottom bracket 15 and the screen body. The screen body motor uses a high-quality national standard vibration motor, the power is lasting and stable, the motor can also modify the rotor counterweight according to different materials, and the reaching rate exciting force can be regulated and controlled.

As shown in fig. 6, the damping rubber blocks 12 are provided with four blocks, and are parallel to each other in the length direction and the width direction; in the length direction of the bottom plate 8, the distance between the vibration-damping rubber blocks 12 and the bottom plate 8 which are not connected with the end of the screen body material-distributing nozzle 11 is A, the distance between the two vibration-damping rubber blocks 12 is B, the distance between the vibration-damping rubber blocks and the end of the bottom plate 8 which is connected with the screen body material-distributing nozzle 12 is C, and A, B and C are 17, 80 and 10; in the width direction of the bottom plate 8, the width of the bottom plate 8 is D, the distance between the two damping rubber blocks 12 is E, and E: D is 43: 50.

As shown in fig. 7-9, the damping rubber block 12 is provided with a mold spring 21 therein, the outside of the mold spring 21 is wrapped with a damping rubber 20, and the damping rubber 20 is provided with a cylindrical hole in the inner diameter of the spring. The defect that the elasticity of the rubber block periodically changes due to the change of the external temperature can be overcome by arranging the die spring inside. The damping rubber block is made of special rubber materials, is resistant to pressure and deformation for a long time, and well plays a role in supporting and buffering between the frame and the screen body.

As shown in fig. 2, the main structure of the pressure bar 1 is a square support tube 19 which is overlapped transversely and longitudinally, the square support tube 19 is connected with a plurality of rubber pressure bar support columns 16, a pressure hook 18 is arranged on a side plate 17 of the rear pressure bar on one side of the pressure bar 1, the pressure hook 18 is connected with a spring hook 3, and the pressure bar 1 and a screen body side plate are fixed by the spring hook 3 from the outside. The rubber pressure bar supporting column 16 adopts a high-molecular special rubber supporting column to support the pressure bar, and the supporting column resists pressure for a long time, so that the deformation can be kept under the long-term pressure, and the effects of shock absorption, buffering and silencing are also achieved.

As shown in fig. 3-5, a cylindrical hollow hole is formed inside the supporting column 16 of the rubber pressing bar and connected with the pressing bar 1 through a screw.

The spring hook 3 adopts a high-pressure spring, the tension is stable, and the screen sheet is more convenient and quicker to replace.

The outer side force guide plate 13 is arranged outside the screen body motor, round holes are formed in the outer side force guide plate 13 and the inner side force guide plate, and a transverse pulling round pipe 14 is inserted into the round holes, so that the structural integrity of the screen body motor is enhanced.

Claims (7)

1. The vibration-reduction and compression-resistance grading sieve comprises a sieve body and a supporting structure, and is characterized in that the sieve body comprises a pressure bar (1) positioned on the uppermost layer, a bottom plate (8) positioned on the lowermost layer and a sieve body side plate arranged between the pressure bar (1) and the bottom plate (8), the bottom of the bottom plate (8) is connected with a sieve body motor, one side of the sieve body in the length direction is connected with a sieve body distributing nozzle (11), a multilayer supporting inner frame is arranged between the pressure bar (1) and the bottom plate (8), and sieve sheets are fixed on the supporting inner frame; the supporting structure comprises a damping rubber block (12) and a bottom bracket (15), wherein the damping rubber block (12) is arranged at the supporting connection position of the bottom bracket (15) and the screen body.

2. The vibration-damping pressure-resistant classifying screen according to claim 1, wherein four vibration-damping rubber blocks (12) are arranged, and are parallel to each other in the length direction and the width direction; in the length direction of the bottom plate (8), the distance between each vibration damping rubber block (12) and the bottom plate (8) which are not connected with the sieve body material distributing nozzle (11) is A, the distance between the two vibration damping rubber blocks (12) is B, the distance between each vibration damping rubber block (12) and the bottom plate (8) which are connected with the sieve body material distributing nozzle (11) is C, and the ratio of A to B to C is 15-17: 50-80: 8-10; in the width direction of the bottom plate (8), the width of the bottom plate (8) is D, the distance between the two vibration damping rubber blocks (12) is E, and the ratio of E to D is 40-43: 50.

3. The vibration-damping and pressure-resistant classifying screen according to claim 2, characterized in that a die spring (21) is arranged in the vibration-damping rubber block (12), the vibration-damping rubber (20) is wrapped outside the die spring (21), and the vibration-damping rubber (20) is provided with a cylindrical hole in the inner diameter of the spring.

4. The vibration-damping and pressure-resistant classifying screen as claimed in claim 1, wherein the main structure of the pressure bar (1) is a supporting square tube (19) which is overlapped transversely and longitudinally, the supporting square tube (19) is connected with a plurality of rubber pressure bar supporting columns (16), a pressure hook (18) is arranged on a rear pressure bar side plate (17) on one side of the pressure bar (1), a spring hook (3) is connected through the pressure hook (18), and the pressure bar (1) and the screen body side plate are fixed by the spring hook (3) from the outer side.

5. The vibration-damping and pressure-resistant classifying screen according to claim 4, characterized in that the rubber pressure bar supporting column (16) is provided with a cylindrical hollow hole inside and is connected with the pressure bar (1) through a screw.

6. The vibration-damping pressure-resistant classifying screen according to claim 4, wherein the spring hook (3) is a high-pressure spring.

7. The vibration-damping and pressure-resistant classifying screen according to claim 4, wherein an outer force guide plate (13) is arranged outside the screen body motor, round holes are arranged on the outer force guide plate (13) and the force guide plate arranged inside the screen body motor, and a transverse pulling round pipe (14) is inserted into the round holes.

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