CN219424517U - Device capable of reducing noise of sand mill in laboratory - Google Patents

Abstract

The utility model belongs to the technical field of noise reduction devices, and particularly relates to a device capable of reducing noise of a sand mill in a laboratory, which comprises a base, wherein four shock absorbers and four shock absorbing springs are fixedly connected to the inner wall of the bottom of the base, the top ends of the four shock absorbers and the four shock absorbing springs are fixedly connected with the same lifting plate, the top of the lifting plate is fixedly connected with a plurality of support columns, the top of the plurality of support columns is fixedly connected with a noise reduction box, and the bottom of the lifting plate is rotatably connected with two movable rods. According to the utility model, through the cooperation of the shock absorber, the shock absorption spring, the damping spring and the damper, the shock can be absorbed and counteracted in multiple stages, so that the shock absorption effect is better, the noise generated by the shock can be reduced, and through the cooperation of the noise reduction box, the box door, the metal plate, the sound absorption holes, the sound absorption cotton and the sound insulation plate, the noise can be well absorbed and blocked, so that the noise reduction effect is better, and the physical and mental health of experimenters is facilitated.

Description

Device capable of reducing noise of sand mill in laboratory

Technical Field

The utility model relates to the technical field of noise reduction devices, in particular to a device capable of reducing noise of a sand mill in a laboratory.

Background

At present, when the existing laboratory sand mill grinds the material, grind between grinding medium and the material to and the stirring of sand mill impeller to material and grinding medium, at last sand mill's drive arrangement's work all will produce great noise, easily causes the pollution of noise to the laboratory, is unfavorable for laboratory personnel's physical and mental health, consequently we propose a device that can reduce laboratory sand mill noise and be used for solving above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the defects, and provides a device for reducing noise of a sand mill in a laboratory.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a device of reducible laboratory sand mill noise, includes the base, four shock absorbers and four damping springs of fixedly connected with on the bottom inner wall of base, the same lifter plate of top fixedly connected with of four shock absorbers and four damping springs, the top fixedly connected with of lifter plate a plurality of support columns, the top fixedly connected with of a plurality of support columns is through making an uproar case falls, the bottom rotation of lifter plate is connected with two movable rods, and the rear side of two movable rods all rotates and is connected with the sliding plate, and one side that two sliding plates kept away from each other is equal fixedly connected with attenuator and damping spring, and one end that two damping springs kept away from each other is equal fixedly connected with riser, and two risers are equal fixedly connected with on the bottom inner wall of base, fixedly connected with spacing ring on the bottom inner wall in the case of making an uproar falls, the grinding vessel has been placed in the spacing ring activity, the detachable fixedly connected with apron in top of grinding vessel, the top fixedly connected with driving motor of apron, fixedly connected with drive shaft on the output shaft of driving shaft, outside fixed cover of drive shaft is equipped with three sand impeller, one side that makes an uproar is connected with the chamber door of mill that makes an uproar falls.

Preferably, the noise reduction box has the same structure as the box door and comprises a metal plate, and a sound insulation plate and a sound absorption plate are sequentially and fixedly connected in the metal plate from outside to inside.

Preferably, a plurality of sound absorbing holes are formed in the sound absorbing plate, and sound absorbing cotton is filled in the sound absorbing holes.

Preferably, a plurality of through holes are formed in the top of the base, and a plurality of support columns are respectively sleeved in the corresponding through holes in a sliding mode.

Preferably, the same guide rod is fixedly connected between the two vertical plates, and the two sliding plates are both sleeved on the outer sides of the guide rods in a sliding manner.

Preferably, two connecting grooves are formed in the inner wall of the bottom of the base, the two dampers are respectively and fixedly connected to the inner wall of one side of the corresponding connecting groove, and the two sliding plates are respectively and slidably sleeved in the corresponding connecting grooves.

According to the device capable of reducing the noise of the laboratory sand mill, the vibration can be damped and counteracted in multiple stages through the cooperation of the damper, the damping spring, the lifting plate, the support column, the movable rod, the sliding plate, the damping spring and the damper, so that the damping effect is better, and the noise generated by the vibration can be reduced;

according to the device capable of reducing the noise of the laboratory sand mill, the noise reduction box and the box door are made of the same material, and a closed space is formed, so that the noise transmission can be reduced, and the noise can be well absorbed through the arrangement of the sound absorption holes and the sound absorption cotton on the sound absorption plate on the inner side, so that the sound absorption effect of the sound absorption plate is better, the noise can be blocked through the sound insulation plate, the noise transmission is effectively avoided, and the noise reduction effect is better;

the utility model has reasonable structural design, and can absorb and counteract vibration in multiple stages through the cooperation of the shock absorber, the shock absorption spring, the damping spring and the damper, so that the shock absorption effect is better, further, the noise emitted by the shock can be reduced, and the noise can be well absorbed and blocked through the cooperation of the noise reduction box, the box door, the metal plate, the sound absorption holes, the sound absorption cotton and the sound insulation plate, further, the noise reduction effect is better, and the physical and mental health of experimenters is facilitated.

Drawings

FIG. 1 is a schematic diagram of a device for reducing noise of a laboratory sand mill according to the present utility model;

FIG. 2 is a cross-sectional view of a device for reducing laboratory sand mill noise in accordance with the present utility model;

FIG. 3 is a schematic view of a portion A of a device for reducing noise of a laboratory sand mill according to the present utility model;

fig. 4 is a schematic structural view of a noise reduction box of a device for reducing noise of a laboratory sand mill according to the present utility model.

In the figure: 1. a base; 2. a support column; 3. a noise reduction box; 4. a door; 5. a limiting ring; 6. a grinding cylinder; 7. a cover plate; 8. a driving motor; 9. a drive shaft; 10. a sand mill impeller; 11. a lifting plate; 12. a damping spring; 13. a damper; 14. a movable rod; 15. a guide rod; 16. a sliding plate; 17. a connecting groove; 18. a damping spring; 19. a damper; 20. a riser; 21. a metal plate; 22. a sound insulation board; 23. a sound absorbing panel; 24. sound absorbing cotton; 25. and the sound absorption holes are formed in the base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a device capable of reducing noise of a sand mill in a laboratory comprises a base 1, four shock absorbers 13 and four shock absorbing springs 12 are fixedly connected to the inner wall of the bottom of the base 1, the top ends of the four shock absorbers 13 and the four shock absorbing springs 12 are fixedly connected with the same lifting plate 11, the top parts of the lifting plate 11 are fixedly connected with a plurality of support columns 2, the tops of the support columns 2 are fixedly connected with a noise reduction box 3, vibration noise is necessarily generated in the grinding process, the vibration drives downward movement of the support columns 2 and the lifting plate 11, the shock absorbing springs 12 and the shock absorbers 13 are extruded, the vibration can be primarily damped through the cooperation of the shock absorbing springs 12 and the shock absorbers 13, meanwhile, the lifting plate 11 drives downward movement of two movable rods 14 and drives mutual separation of two sliding plates 16, the two sliding plates 16 squeeze the damping springs 18 and the dampers 19, at the moment, vibration can be damped and counteracted again through the damping springs 18 and the dampers 19, and vibration can be damped and counteracted in multiple stages, so that the vibration reduction effect is better, and noise generated due to the vibration can be further reduced;

the bottom of lifter plate 11 rotates and is connected with two movable rods 14, the rear side of two movable rods 14 all rotates and is connected with slide plate 16, one side that two slide plates 16 kept away from each other is equal fixedly connected with attenuator 19 and damping spring 18, one end that two damping springs 18 kept away from each other is equal fixedly connected with riser 20, two riser 20 all fixedly connected with is on the bottom inner wall of base 1, fixedly connected with spacing ring 5 on the inner wall in the case that falls 3, grinding vessel 6 has been placed to the activity in the spacing ring 5, the detachable fixedly connected with apron 7 in top of grinding vessel 6, the top fixedly connected with driving motor 8 of apron 7, fixedly connected with drive shaft 9 on driving motor 8's the output shaft, the outside fixed cover of drive shaft 9 is equipped with three sand mill impeller 10, one side rotation of falling the case that falls 3 is connected with chamber door 4, pour grinding medium and material into grinding vessel 6, cover plate 7 is fixed on grinding vessel 6, driving motor 8 has driven driving shaft 9 and sand impeller 10, can stir grinding medium and material, make grinding medium fully grind the material.

In the utility model, the noise reduction box 3 and the box door 4 have the same structure, and both the noise reduction box and the box door comprise the metal plate 21, the sound insulation plate 22 and the sound absorption plate 23 are sequentially and fixedly connected in the metal plate 21 from outside to inside, noise can be absorbed through the sound absorption plate 23, noise can be blocked through the sound insulation plate 22, and the noise is effectively prevented from being transmitted, so that the noise reduction effect is better.

In the utility model, the sound absorbing plate 23 is internally provided with a plurality of sound absorbing holes 25, the sound absorbing holes 25 are filled with the sound absorbing cotton 24, and noise can be well absorbed by the arrangement of the sound absorbing holes 25 and the sound absorbing cotton 24 on the inner side of the sound absorbing plate 23, so that the sound absorbing effect of the sound absorbing plate 23 is better.

In the utility model, the top of the base 1 is provided with a plurality of through holes, and a plurality of support columns 2 are respectively sleeved in the corresponding through holes in a sliding way, so that the support columns 2 are conveniently guided, and the movement of the support columns is more stable and smooth.

In the utility model, the same guide rod 15 is fixedly connected between the two vertical plates 20, and the two sliding plates 16 are both sleeved on the outer sides of the guide rods 15 in a sliding way, so that the sliding plates 16 are conveniently guided, and the movement of the sliding plates is more stable and smooth.

In the utility model, two connecting grooves 17 are formed on the inner wall of the bottom of the base 1, two dampers 19 are respectively and fixedly connected to one side inner wall of the corresponding connecting groove 17, and two sliding plates 16 are respectively and slidably sleeved in the corresponding connecting grooves 17, so that the dampers 19 are conveniently installed, and meanwhile, the sliding plates 16 are conveniently guided again.

According to the utility model, when the grinding machine is in operation, grinding media and materials are poured into the grinding cylinder 6, the cover plate 7 is fixed on the grinding cylinder 6, the driving motor 8 is driven, the driving motor 8 drives the driving shaft 9 and the sand mill impeller 10, and the grinding media and the materials can be stirred, so that the grinding media can sufficiently grind the materials, vibration noise can necessarily occur in the grinding process, the vibration drives the support column 2 and the lifting plate 11 to move downwards, the damping spring 12 and the damper 13 are extruded, the vibration can be primarily damped, the lifting plate 11 drives the two movable rods 14 to move downwards and drive the two sliding plates 16 to be far away from each other, the two sliding plates 16 squeeze the damping spring 18 and the damper 19, at the moment, the vibration can be damped and counteracted again through the damping spring 18 and the damper 19, further the vibration can be damped and counteracted in multiple stages, the vibration noise generated due to the vibration can be reduced, meanwhile, the noise reduction box 3 and the box door 4 are the same in material, a closed space is formed, the inner side can be reduced, and the sound absorption plate 23 can be well arranged, and the noise absorption plate 23 can be well prevented from being transmitted through the sound absorption holes 23, and the sound absorption plate can be well, and the noise can be further well prevented from being transmitted through the sound absorption plate 23.

Claims (6)

1. The utility model provides a device capable of reducing noise of a laboratory sand mill, includes base (1), a serial communication port, fixedly connected with four bumper shock absorbers (13) and four damping springs (12) on the bottom inner wall of base (1), the top fixedly connected with same lifter plate (11) of four bumper shock absorbers (13) and four damping springs (12), the top fixedly connected with a plurality of support columns (2) of lifter plate (11), the top fixedly connected with of a plurality of support columns (2) is through making an uproar case (3) falls, the bottom rotation of lifter plate (11) is connected with two movable rods (14), the rear side of two movable rods (14) is all rotated and is connected with sliding plate (16), one side that two sliding plates (16) keep away from each other is all fixedly connected with attenuator (19) and damping spring (18), the one end that two damping springs (18) keep away from each other is all fixedly connected with riser (20), two riser plates (20) are all fixedly connected with on the bottom inner wall of base (1), be connected with motor (5) are gone up fixedly with in the bottom inner wall of bottom of base (3), spacing ring (5) are connected with motor (6) are fixed on the bottom inner wall of base (1), grinding cylinder (7) is placed on the fixed top (7), the novel grinding machine is characterized in that a driving shaft (9) is fixedly connected to an output shaft of the driving motor (8), three grinding machine impellers (10) are fixedly sleeved on the outer side of the driving shaft (9), and a box door (4) is rotatably connected to one side of the noise reduction box (3).

2. The device for reducing noise of the laboratory sand mill according to claim 1, wherein the noise reduction box (3) has the same structure as the box door (4) and comprises a metal plate (21), and a sound insulation plate (22) and a sound absorption plate (23) are fixedly connected in sequence from outside to inside in the metal plate (21).

3. Device for reducing laboratory sand mill noise according to claim 2, characterized in that a plurality of sound absorbing holes (25) are provided in the sound absorbing plate (23), and that sound absorbing cotton (24) is filled in the sound absorbing holes (25).

4. The device for reducing noise of a laboratory sand mill according to claim 1, wherein a plurality of through holes are formed in the top of the base (1), and a plurality of support columns (2) are respectively sleeved in the corresponding through holes in a sliding manner.

5. Device for reducing noise of laboratory sander according to claim 1, characterized in that the same guiding rod (15) is fixedly connected between two risers (20), both sliding plates (16) being slidably sleeved outside the guiding rod (15).

6. The device for reducing noise of a laboratory sand mill according to claim 1, wherein two connecting grooves (17) are formed in the inner wall of the bottom of the base (1), two dampers (19) are fixedly connected to the inner wall of one side of the corresponding connecting groove (17), and two sliding plates (16) are slidably sleeved in the corresponding connecting groove (17).