CN111135946A

CN111135946A - Sound insulation equipment

Info

Publication number: CN111135946A
Application number: CN201911325975.0A
Authority: CN
Inventors: 陈彬; 程积龙; 钱立海; 刘洋; 王松; 张兢乐; 关成
Original assignee: Tongling Jingyuan Wire Die Co ltd
Current assignee: Tongling Jingyuan Wire Die Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-05-12

Abstract

The invention relates to the field of noise reduction, in particular to sound insulation equipment. The sound insulation equipment comprises a sound insulation cover with an opening at the bottom, a door plate arranged on the sound insulation cover in a sliding mode, and a door braking mechanism used for positioning the position of the door plate. Ultrasonic grinding equipment places in the inside of sound-proof housing, and when ultrasonic grinding equipment during operation, the door plant of closing the sound-proof housing can reduce the sound transmission outside that ultrasonic grinding equipment produced to this guarantee operating personnel's health.

Description

Sound insulation equipment

Technical Field

The invention relates to the field of noise reduction, in particular to sound insulation equipment.

Background

Ultrasonic wave pollution can be produced in the processing process of ultrasonic grinding equipment, and the pollution of this ultrasonic wave can produce the influence to human hearing system, influences operating personnel's health.

Accordingly, there is a need for a sound isolation device to block the transmission of sound from an ultrasonic abrading device.

Disclosure of Invention

In order to solve the technical problems, the invention provides a sound insulation device which can block the transmission of sound generated by an ultrasonic grinding device, reduce the transmission of the sound to a hearing system of an operator and ensure the physical health of the operator.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sound-proofing apparatus includes a sound-proofing housing having an open bottom, a door plate slidably disposed on the sound-proofing housing, and a door braking mechanism for positioning the door plate.

Further, the door braking mechanism comprises a balancing weight which is arranged on the sound-proof cover in a sliding mode and a transmission unit which is connected between the balancing weight and the door panel.

Further preferably, the sound-proof housing is a cuboid, and the balancing weight and the door panel are respectively located on opposite sides of the sound-proof housing.

Further, the transmission unit comprises a slide rail, a first pulley, a rope and a second pulley;

the door plate is arranged at the front end of the sound-proof shield in a sliding mode, the sliding rail is arranged on the inner wall of the rear end of the sound-proof shield, the balancing weight is arranged on the sliding rail in a sliding mode, the first pulley is arranged at the upper end of the sliding rail, and the first pulley is located above the balancing weight; or the first pulley is arranged on the inner wall of the sound-proof shield, and the first pulley is positioned above the sliding rail;

the second pulley is positioned on the door plate, one end of the rope is connected to the balancing weight, the other end of the rope is connected to the door plate, and the rope penetrates through the first pulley and the second pulley;

when the balancing weight is positioned at the lower part of the sliding rail, the door plate moves upwards, and the door of the sound-proof shield is opened; when the balancing weight is positioned at the upper part of the sliding rail, the door plate moves downwards, and the door of the sound-proof shield is closed.

Further preferably, a fastener is arranged on the inner wall of the door panel and located below the second pulley, and the other end of the rope is connected to the door panel through the fastener.

Further, the sound-proof shield comprises a support frame and sound-proof glass with edges clamped inside the support frame; the sliding rail is installed on the inner wall of the rear end of the support frame, and the door plate is installed at the front end of the support frame in a sliding mode.

Preferably, the support frame comprises a vertical support and a transverse support connected with the vertical support, and the support frame is a quadrilateral body formed by the vertical support and the transverse support;

clamping grooves are formed in the edge portions of the vertical support and the transverse support, and the edge of the sound insulation glass is located in the clamping grooves;

the slide rail is arranged on the inner wall of the vertical support positioned at the rear end of the support frame.

Further preferably, the vertical support and the horizontal support are fixed together by a detachable connecting piece.

Further preferably, the connecting piece is L-shaped.

Preferably, the vertical support and the horizontal support are both made of aluminum materials; the sound insulation glass and the door plate are both PC endurance plates.

The invention has the following beneficial effects:

(1) ultrasonic grinding equipment places in the inside of sound-proof housing, and when ultrasonic grinding equipment during operation, the door plant of closing the sound-proof housing can reduce the sound transmission outside that ultrasonic grinding equipment produced to this guarantee operating personnel's health.

(2) The door braking mechanism comprises a balancing weight, a sliding rail, a rope and a pulley, wherein the balancing weight has certain gravity, friction force exists between the balancing weight and the sliding rail, friction force also exists between the rope and the pulley, and the three forces are mutually matched and can share the weight of the door plate. The door plate can be stopped at any position by an operator according to use requirements, the operation is simple, the use difficulty and the working strength are reduced, and the door plate is convenient and fast to use.

The door braking mechanism can also be a servo motor, and the lifting of the door plate is controlled by the servo motor.

The door braking mechanism can also be magnet strips arranged on the door panel and the sound insulation cover, magnetic force between the magnet strips attracts each other to prevent the door panel from moving downwards, and when a user applies upward or downward acting force to the door panel, the acting force can change the position of the door panel.

The preferred is balancing weight, slide rail, rope and pulley, simple structure, and the location is effectual.

(3) The vertical support and the transverse support are detachably connected through the connecting piece, and the sound insulation glass is also clamped on the support and is convenient to detach. When the connecting piece is dismantled, vertical support, horizontal support, sound insulation glass are independent each other, convenient transportation.

(4) The balancing weight is located the rear end, and the door plant is located the front end, can avoid the balancing weight to obstruct ultrasonic grinding equipment and place in the inside of sound-proof housing.

(5) Whole sound-proof housing is clear glass, makes things convenient for operating personnel to externally observe the operational aspect of ultrasonic grinding equipment.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a block diagram of the door check mechanism of the present invention;

fig. 3 is a connection diagram between the brackets of the present invention.

The notations in the figures have the following meanings:

10-vertical support 11-horizontal support 12-connecting piece 20-sound insulation glass 21-door plate

30-door brake mechanism 300-slide rail 301-first pulley 302-rope 303-second pulley

304-fastener 305-counterweight 40-operating platform

Detailed Description

The technical scheme of the invention is clearly and completely described below by combining the embodiment and the attached drawings of the specification. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A soundproof apparatus includes a soundproof cover having an open bottom and a door brake mechanism 30, a door panel 21 slidably disposed on the soundproof cover, and the door brake mechanism 30 connected to the door panel 21 for positioning the door panel 21.

As shown in fig. 1, the soundproof cover includes six vertical supports 10, eight horizontal supports 11, five soundproof glasses 20, and two door panels 21, four of the six vertical supports 10 are four edges in the height direction of the rectangular parallelepiped, and the other two are located at the middle points of the edges in the length direction, so that the soundproof cover is divided into two soundproof areas, and two ultrasonic grinding devices can be placed at the same time. Eight transverse supports 11 are located at the edges of the cuboid in the length and width directions. The edge of the sound-proof glass 20 is clamped in the clamping grooves formed in the vertical support 10 and the transverse support 11. Two door panels 21 are slidably mounted between two adjacent vertical supports 10 at the front end of the enclosure.

As shown in fig. 3, the vertical support 10 and the horizontal support 11 are fixed together by a detachable connector 12, and a screw is fixed on the connector 12. In this embodiment, the connector 12 is L-shaped.

As shown in fig. 2, the door braking mechanism 30 includes a slide rail 300, a first pulley 301, a rope 302, a second pulley 303, a fastener 304, and a weight 305. The sliding rail 300 is fixedly installed on the vertical support 10 at the rear end, the counterweight block 305 is slidably arranged on the sliding rail 300, the first pulley 301 is arranged at the upper end of the sliding rail 300, and the first pulley 301 is positioned above the counterweight block 305; alternatively, the first pulley 301 is disposed on the vertical support 10 where the slide rail 300 is located, and the first pulley 301 is located above the slide rail 300. The second pulley 303 is fixedly installed on the door panel 21, the first pulley 301 and the second pulley 303 are located at the same height, the fastener 304 is fixedly installed on the door panel 21, the fastener 304 is located below the second pulley 303, and the fastener 304 and the second pulley 303 are located on the same vertical line. One end of the cable 302 is connected to the weight 305, and the other end of the cable 302 is connected to the door panel 21 by a fastener 304.

In the embodiment, the vertical support 10 and the horizontal support 11 are made of aluminum materials; the soundproof glass 20 and the door panel 21 are both PC strength plates.

When used, the ultrasonic grinding apparatus is first placed on the operation table 40, and then the sound insulating apparatus is housed outside the ultrasonic grinding apparatus. The door plate 21 is pulled downward, so that the sound insulation device forms a relatively closed space under the cooperation of the operation table 40, and the noise generated by the ultrasonic grinding device can be prevented from being diffused to the outside.

The balancing weight 305 is provided with a clamping groove, the sliding rail 300 comprises two protruding strips and a groove between the protruding strips, the clamping groove is clamped on one of the protruding strips, the balancing weight 305 is tightly attached to the other protruding strip, friction force can be increased, the door plate 21 is prevented from automatically moving downwards when needing to be positioned, and the positioning effect is improved.

The counterweight block 305 has a certain gravity, friction exists between the counterweight block 305 and the slide rail 300, friction also exists between the rope 302 and the pulley 300, and the three forces are mutually matched to share the weight of the door panel 21. The door plate 21 can be stopped at any position by an operator according to use requirements, the operation is simple, the use difficulty and the working strength are reduced, and the operation is convenient and fast.

When the counterweight 305 is positioned at the lower part of the slide rail 300, the door panel 21 moves upwards, and the door of the soundproof cover is opened; when the weight 305 is located at the upper portion of the slide rail 300, the door panel 21 moves down and the door of the soundproof cover is closed.

Example 2

In addition to embodiment 1, the door braking mechanism 30 may be a spring set having an upper end connected to the lateral bracket 11 and a lower end connected to the door panel 21, the spring set includes a plurality of springs disposed in parallel, and different springs are selected according to the moving distance of the door panel 21.

Claims

1. A sound insulating apparatus characterized by: the sound insulation device comprises a sound insulation cover with an opening at the bottom, a door plate (21) arranged on the sound insulation cover in a sliding mode, and a door braking mechanism (30) used for positioning the position of the door plate (21).

2. A sound insulating apparatus as set forth in claim 1, wherein: the door braking mechanism (30) comprises a balancing weight (305) which is arranged on the sound-proof cover in a sliding mode and a transmission unit which is connected between the balancing weight (305) and the door panel (21).

3. A sound insulating apparatus as set forth in claim 2, wherein: the sound-proof housing is the cuboid, balancing weight (305) and door plant (21) are located the relative side of sound-proof housing respectively.

4. A sound-proofing apparatus as claimed in claim 2 or 3, wherein: the transmission unit comprises a sliding rail (300), a first pulley (301), a rope (302) and a second pulley (303);

the door plate (21) is arranged at the front end of the sound-proof shield in a sliding mode, the sliding rail (300) is installed on the inner wall of the rear end of the sound-proof shield, the balancing weight (305) is arranged on the sliding rail (300) in a sliding mode, the first pulley (301) is arranged at the upper end of the sliding rail (300), and the first pulley (301) is located above the balancing weight (305); or the first pulley (301) is arranged on the inner wall of the sound insulation cover, and the first pulley (301) is positioned above the sliding rail (300);

the second pulley (303) is positioned on the door panel (21), one end of the rope (302) is connected to the counterweight block (305), the other end of the rope (302) is connected to the door panel (21), and the rope (302) passes through the first pulley (301) and the second pulley (303);

when the counterweight block (305) is positioned at the lower part of the slide rail (300), the door plate (21) moves upwards, and the door of the soundproof cover is opened; when the counterweight block (305) is positioned at the upper part of the slide rail (300), the door panel (21) moves downwards, and the door of the soundproof cover is closed.

5. An acoustic insulation device as set forth in claim 4 wherein: the inner wall of the door panel (21) is provided with a fastener (304), the fastener (304) is located below the second pulley (303), and the other end of the rope (302) is connected to the door panel (21) through the fastener (304).

6. An acoustic insulation device as set forth in claim 4 wherein: the soundproof cover comprises a support frame and soundproof glass (20) with edges clamped in the support frame; the sliding rail (300) is installed on the inner wall of the rear end of the support frame, and the door panel (21) is installed at the front end of the support frame in a sliding mode.

7. An acoustic insulation device as set forth in claim 6 wherein: the support frame comprises a vertical support (10) and a transverse support (11) connected with the vertical support (10), and is a quadrilateral body formed by the vertical support (10) and the transverse support (11);

clamping grooves are formed in the edge portions of the vertical support (10) and the transverse support (11), and the edge of the sound insulation glass (20) is located in the clamping grooves;

the sliding rail (300) is arranged on the inner wall of the vertical support (10) positioned at the rear end of the support frame.

8. An acoustic insulation device as set forth in claim 7 wherein: the vertical support (10) and the transverse support (11) are fixed together through a detachable connecting piece (12).

9. A sound insulating apparatus as set forth in claim 8, wherein: the connecting piece (12) is L-shaped.

10. An acoustic insulation device as set forth in claim 7 wherein: the vertical support (10) and the transverse support (11) are both made of aluminum materials; the sound insulation glass (20) and the door panel (21) are both PC endurance plates.