CN211277658U - Low-noise explosion-proof grinding machine - Google Patents
Low-noise explosion-proof grinding machine Download PDFInfo
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- CN211277658U CN211277658U CN201922166792.0U CN201922166792U CN211277658U CN 211277658 U CN211277658 U CN 211277658U CN 201922166792 U CN201922166792 U CN 201922166792U CN 211277658 U CN211277658 U CN 211277658U
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- sound absorption
- sound
- perforated plate
- absorbing chamber
- safety cover
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- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides a low noise explosion-proof abrasive machine, the on-line screen storage device comprises a base, including a motor, an end cap, a controller, and a cover plate, the emery wheel, just surround the fixed safety cover in the emery wheel outside through sleeve pipe and motor housing fixed connection, be provided with the sound-absorbing chamber on the fixed safety cover, the sound-absorbing chamber is including being located the first sound-absorbing chamber and the second sound-absorbing chamber that fixed safety cover outside and opening set up relatively respectively, first sound-absorbing chamber and second sound-absorbing chamber are linked together with fixed safety cover respectively, install the perforated plate in first sound-absorbing chamber and the second sound-absorbing chamber at the interval respectively, be provided with the perforation on the perforated plate, it has porous sound-absorbing material to fill between the adjacent perforated plate, the utility model discloses a large amount of noise that the during operation produced with the emery wheel of cavity resonance's principle is offset, greatly reduced the noise that the staff.
Description
Technical Field
The utility model relates to an electric tool technical field especially involves an explosion-proof abrasive machine of low noise.
Background
Grinders are common devices used to sharpen various knives and tools. The grinding wheel type water feeder mainly comprises a base, a grinding wheel, a motor or other power sources, a bracket, a protective cover, a water feeder and the like.
The emery wheel machine produces when polishing collapse the grain and can lead to operating personnel injured often, endangers operating personnel's healthy, and chinese patent application number is CN 201820047966.4's utility model patent application document discloses an explosion-proof emery wheel machine, including base, fixed mounting motor on the base, connect the emery wheel in the motor both sides through the pivot, through sleeve pipe and motor housing fixed connection and surround the sectorial fixed safety cover of semi-enclosed in the emery wheel outside, its characterized in that: the grinding wheel fully-closed assembly comprises a closed cover, a power device and a limiting device, wherein the closed cover is in a semicircular thin shell shape and is rotatably connected to the sleeve and covers the fixed protective cover, the closed cover can rotate around the central axis of the closed cover under the driving of the power device, the motor is further provided with the limiting device, the limiting device is matched with a limiting hole formed in the closed cover to fix the closed cover, the lower end of the fixed protective cover is provided with a travel switch used for sensing the position of the closed cover, and the travel switch, the power device and the limiting device are electrically connected with the controller, so that the grinding wheel can be protected from being damaged by external force when the grinding wheel is not used, corresponding protective measures are provided when the grinding wheel is cracked in the use process, but larger noise can be generated in the actual use process, the staff is working in the noise environment for a long time, can harm staff's hearing, influences staff's nervous system, makes the people impatient and irritability, influences sleep, causes a series of harm such as tired.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at not enough in the prior art, provide an explosion-proof abrasive machine of low noise, structural design is reasonable, can effectively reduce the noise that the abrasive machine produced in the course of the work for the noise that the abrasive machine produced can not exert an influence to staff's volume health at work, provides a safe operational environment for the staff.
The technical scheme is as follows: in order to achieve the purpose, the utility model provides an explosion-proof abrasive machine of low noise, including base, motor, emery wheel, through sleeve pipe and motor housing fixed connection and surround the fixed safety cover in the emery wheel outside, its characterized in that: be provided with the sound absorption chamber on the fixed safety cover, the sound absorption chamber is including being located the relative first sound absorption chamber and the second sound absorption chamber that set up in the fixed safety cover outside and opening respectively, first sound absorption chamber and second sound absorption chamber are linked together with fixed safety cover respectively, install the perforated plate at the interval respectively in first sound absorption chamber and the second sound absorption chamber, be provided with the perforation on the perforated plate, it has porous sound absorbing material to fill between the adjacent perforated plate, it has the air bed to paste on the back of perforated plate.
As an improvement of the scheme, fine filter screens are respectively installed at the openings of the first sound absorption cavity and the second sound absorption cavity through screws.
As an improvement of the scheme, the perforated plate is sequentially arranged on the inner walls of the first sound absorption cavity and the second sound absorption cavity through screws in the height direction of the first sound absorption cavity and the height direction of the second sound absorption cavity respectively.
As an improvement of the scheme, the inner walls of the first sound absorption cavity and the second sound absorption cavity are respectively and fixedly provided with a mounting plate, and the mounting plates are provided with through holes matched with the screws.
As an improvement of the scheme, an elastic buffer cushion is arranged between the mounting plate and the perforated plate.
Has the advantages that: the utility model discloses a first sound-absorbing chamber and second sound-absorbing chamber that the setting was provided with respectively in the fixed safety cover outside, first sound-absorbing chamber and second sound-absorbing chamber communicate fixed safety cover setting and opening to the emery wheel direction respectively, absorb a large amount of noises that the emery wheel produced at work in first sound-absorbing chamber and second sound-absorbing chamber, and through the perforated plate that sets up in first sound-absorbing chamber and second sound-absorbing chamber and the porous sound-absorbing material that is located between the adjacent perforated plate, the principle through cavity resonance offsets the emery wheel in a large number at the noise that the during operation produced, greatly reduced the noise that the staff produced at the in-process that uses explosion-proof abrasive machine, guaranteed that the staff's mind and body will be well.
Drawings
FIG. 1 is a schematic structural view of a middle-low noise explosion-proof grinder of the present invention;
FIG. 2 is a schematic side view of the low-noise anti-explosion grinder of the present invention;
FIG. 3 is a schematic sectional view of the fixed protecting cover of the present invention;
FIG. 4 is an enlarged schematic view of the position A of the present invention;
list of reference numerals: 1. a base; 2. a motor; 3. a grinding wheel; 4. fixing a protective cover; 5. a sound absorbing chamber; 51. a first sound absorption cavity; 52. a second sound absorption cavity 53 and a fine filter screen; 54. a perforated plate; 55. a porous sound absorbing material; 56. a screw; 57. an elastic cushion pad; 58. mounting plates, 541, and through holes.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
1-4 a low noise explosion-proof abrasive machine, including base 1, motor 2, emery wheel 3, through sleeve pipe and motor 2 shell fixed connection and surround fixed safety cover 4 in the emery wheel 3 outside, be provided with sound-absorbing chamber 5 on the fixed safety cover 4, sound-absorbing chamber 5 is including being located the relative first sound-absorbing chamber 51 and the second sound-absorbing chamber 52 that set up in the fixed safety cover 4 outside and opening respectively, first sound-absorbing chamber 51 and second sound-absorbing chamber 52 are linked together with fixed safety cover 4 respectively, perforated plate 54 is installed at the interval respectively in first sound-absorbing chamber 51 and the second sound-absorbing chamber 52, be provided with perforation 541 on the perforated plate 54, it has porous sound-absorbing material 55 to fill between the adjacent perforated plate 54, it has the air bed to paste on the back of perforated plate 54.
The fixed protective cover 4 is used for protecting the grinding wheel 3 from being damaged by the outside and also can ensure that the grinding wheel machine can damage workers due to particle breakage and the like during working, the fixed protective cover 4 is provided with the sound absorption cavity 5, the sound absorption cavity 5 comprises a first sound absorption cavity 51 and a second sound absorption cavity 52, the first sound absorption cavity 51 and the second sound absorption cavity 52 are respectively provided with three parts which are respectively positioned at the outer side of the fixed protective cover 4 and have opposite openings, the first sound absorption cavity 51 and the second sound absorption cavity 52 are respectively communicated with the fixed protective cover 4, the openings face the direction of the grinding wheel 3, the sound absorption cavity 5 is also respectively provided with the perforated plates 54, the perforated plates 54 are sequentially arranged at intervals along the height direction of the sound absorption cavity 5, a certain gap is reserved between the adjacent perforated plates 54, the gap is filled with a plurality of sound absorption materials for absorbing noise, the air layer is further adhered to the back of the perforated plates 54, during working, the vibration generated by the grinder can cause the porous sound-absorbing material 55 to vibrate therewith, and the air layer can buffer the porous sound-absorbing material 55 and further can offset the noise generated by the grinder.
The utility model discloses an operating principle, first sound-absorbing chamber 51 and second sound-absorbing chamber 52 that are provided with respectively in the fixed safety cover 4 outside through the setting and be provided with threely respectively, first sound-absorbing chamber 51 and second sound-absorbing chamber 52 communicate fixed safety cover 4 settings and opening respectively to emery wheel 3 direction, absorb a large amount of noises that emery wheel 3 produced in work in first sound-absorbing chamber 51 and second sound-absorbing chamber 52, and through setting up perforated plate 54 in first sound-absorbing chamber 51 and second sound-absorbing chamber 52 and the porous sound-absorbing material 55 that is located between the adjacent perforated plate 54, through the resonant principle of cavity offset the noise that emery wheel 3 produced at the during operation in a large number, greatly reduced the noise that the staff produced at the in-process that uses explosion-proof grinder.
The aforesaid opening part in first sound-absorbing chamber 51 and second sound-absorbing chamber 52 all be provided with smart filter screen 53, through being provided with smart filter screen 53, can prevent that emery wheel 3 from entering into sound-absorbing chamber 5 in the piece etc. that the during operation produced, destroying the noise elimination effect in sound-absorbing chamber 5, damaging perforated plate 54, smart filter screen 53 sets up to the detachable mode, when producing the damage, convenient change.
The perforated plate 54 in this embodiment is respectively installed on the inner walls of the first sound absorption chamber 51 and the second sound absorption chamber 52 sequentially through the screws 56 in the height direction of the first sound absorption chamber 51 and the second sound absorption chamber 52; mounting plates 58 are fixedly arranged on the inner walls of the first sound absorption cavity 51 and the second sound absorption cavity 52 respectively, and through holes matched with the screws 56 are formed in the mounting plates 58; a resilient cushion 57 is provided between the mounting plate 58 and the perforated plate 54.
The perforated plate 54 is fixed along the height direction of the sound absorption cavity 5 at intervals in sequence, the mounting plate 58 for fixing the perforated plate 54 is further arranged on the inner wall of the sound absorption cavity 5, two ends of the perforated plate 54 are respectively fixed on the inner wall of the sound absorption cavity 5 through the screws 56 to prevent the perforated plate 54 from falling off, the elastic buffer pad 57 is arranged between the perforated plate 54 and the mounting plate 58, when the grinder works, the elastic buffer pad can vibrate, the fixed protective cover 4 can be caused to vibrate, the buffer cavity on the fixed protective cover 4 can also vibrate, bolts for fixing the perforated plate 54 and the mounting plate 58 can vibrate when the elastic buffer pad is in vibration for a long time, and the perforated plate 54 can fall off.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (5)
1. The utility model provides an explosion-proof abrasive machine of low noise, including base, motor, emery wheel, through sleeve pipe and motor housing fixed connection and surround the fixed safety cover in the emery wheel outside, its characterized in that: be provided with the sound absorption chamber on the fixed safety cover, the sound absorption chamber is including being located the relative first sound absorption chamber and the second sound absorption chamber that set up in the fixed safety cover outside and opening respectively, first sound absorption chamber and second sound absorption chamber are linked together with fixed safety cover respectively, install the perforated plate at the interval respectively in first sound absorption chamber and the second sound absorption chamber, be provided with the perforation on the perforated plate, it has porous sound absorbing material to fill between the adjacent perforated plate, it has the air bed to paste on the back of perforated plate.
2. The low noise explosion-proof grinder of claim 1, wherein: fine filter screens are respectively installed at the openings of the first sound absorption cavity and the second sound absorption cavity through screws.
3. A low noise explosion-proof grinder as defined in claim 2, wherein: the perforated plates are respectively installed on the inner walls of the first sound absorption cavity and the second sound absorption cavity through screws in the height direction of the first sound absorption cavity and the second sound absorption cavity in sequence.
4. A low noise explosion-proof grinder as defined in claim 3, wherein: and mounting plates are fixedly arranged on the inner walls of the first sound absorption cavity and the second sound absorption cavity respectively, and through holes matched with the screws are formed in the mounting plates.
5. The low noise explosion-proof grinder of claim 4, wherein: an elastic buffer cushion is arranged between the mounting plate and the perforated plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166792.0U CN211277658U (en) | 2019-12-05 | 2019-12-05 | Low-noise explosion-proof grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166792.0U CN211277658U (en) | 2019-12-05 | 2019-12-05 | Low-noise explosion-proof grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211277658U true CN211277658U (en) | 2020-08-18 |
Family
ID=72030307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922166792.0U Active CN211277658U (en) | 2019-12-05 | 2019-12-05 | Low-noise explosion-proof grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211277658U (en) |
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2019
- 2019-12-05 CN CN201922166792.0U patent/CN211277658U/en active Active
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