CN218266421U

CN218266421U - Damping and noise-preventing device for high-pressure fan of papermaking production line

Info

Publication number: CN218266421U
Application number: CN202221656145.3U
Authority: CN
Inventors: 赵耀强; 曾文剑; 林丽红
Original assignee: Jiangmen Super Star Paper Co ltd
Current assignee: Jiangmen Super Star Paper Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-01-10
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a papermaking production line is shock attenuation noise control device for high pressure positive blower, this shock attenuation noise control device aim at solving the high pressure positive blower of prior art and lack the vibration/noise reduction structure usually, are difficult to reduce noise and the vibration noise that high pressure positive blower during operation produced to it is difficult to quick assembly disassembly's technical problem to fall the structure of making an uproar. The damping and noise-preventing device comprises a damping box and first sound insulation bodies fixedly arranged at the left end and the right end of the damping box; the inner wall activity of surge tank is provided with a fixed section of thick bamboo, the inner wall fixed mounting of a fixed section of thick bamboo has evenly distributed's connecting rod. This shock attenuation noise control device utilizes first sound insulation body and the second sound insulation body can realize the syllable-dividing effect to the surge tank, and the upper end of second block rubber is connected with the lower extreme of surge tank, can realize the shock attenuation buffering to the surge tank, and when the solid fixed cylinder was vibrating along with the work of high pressure positive blower body, spring and third block rubber all can realize the absorbing effect of buffering to the solid fixed cylinder.

Description

Damping and noise-preventing device for high-pressure fan of papermaking production line

Technical Field

The utility model belongs to the papermaking production field, concretely relates to papermaking production line is shock attenuation noise control device for high-pressure positive blower.

Background

A high-pressure fan is often arranged in a papermaking production line to extract dust and dust generated in the relevant papermaking steps, so that the dust is prevented from diffusing and polluting air in a factory.

At present, a noise reduction device for a high-efficiency centrifugal fan is disclosed by a utility model patent with the patent number of CN201920717535.9, and comprises a movable base, a fan main body, a noise reduction box body, a rubber hose, a limiting bolt and a rubber shock-absorbing seat, wherein the movable base is of a rectangular plate-shaped structure, four corners of the bottom end of the movable base are provided with universal wheels, a rubber layer is attached to the upper end face of the movable base, and the fan main body is arranged on the rubber shock-absorbing seat which is provided with a matching recess, so that the buffering of the working vibration of the fan main body is preliminarily realized; soundproof cotton is arranged in the noise reduction box body connected with the outer cover of the fan main body, so that internal noise is effectively weakened, and noise is prevented from leaking; install rubber hose additional in the exhaust duct department of fan main part, rubber hose can obtain furthest weakening or elimination in rubber hose department with centrifugal fan transmission for exhaust duct's vibration, but present high pressure positive blower lacks vibration/noise reduction structure usually, is difficult to reduce noise and vibration noise that high pressure positive blower during operation produced to it is difficult to quick assembly disassembly to fall the structure of making an uproar.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, the utility model is to provide a papermaking production line is shock attenuation noise control device for high-pressure positive blower, this shock attenuation noise control device aim at solving present high-pressure positive blower and lack the vibration/noise reduction structure usually, are difficult to reduce noise and vibration noise that high-pressure positive blower during operation produced to it is difficult to quick assembly disassembly's technical problem to fall the structure of making an uproar.

In order to solve the technical problem, the utility model provides a damping and noise-preventing device for a high-pressure fan of a papermaking production line, which comprises a damping box and first sound insulation bodies fixedly arranged at the left end and the right end of the damping box; the inner wall activity of surge tank is provided with a fixed section of thick bamboo, the inner wall fixed mounting of a fixed section of thick bamboo has evenly distributed's connecting rod, the one end fixed mounting that the connecting rod is close to a fixed section of thick bamboo center has the high pressure positive blower body, the front end activity of a fixed section of thick bamboo is provided with sound insulation section of thick bamboo, the below activity of surge tank is provided with the bottom plate, the upper end fixed mounting of bottom plate has first block rubber, the upper end fixed mounting of first block rubber has the second block rubber, the upper end of second block rubber is connected with the lower extreme of surge tank, the upper end fixed mounting of surge tank has the second to give sound insulation the body, the second gives sound insulation the body both ends and is connected with the left and right ends inner wall of the first sound insulation body about.

When the damping and noise-reducing device is used, the damping of the whole damping box can be realized by the aid of the first rubber block and the second rubber block, the damping of the damping box can be realized by the aid of the first sound insulation body and the second sound insulation body, and accordingly damping and noise reducing capacity of the damping box can be realized.

Preferably, the inner wall of the sound insulation barrel is fixedly provided with first sound absorption holes which are uniformly distributed, and the upper end of the second rubber block is connected with the lower end of the first sound insulation body. The noise reduction effect of the sound insulation barrel can be achieved through the arrangement of the first sound absorption holes.

Preferably, the four corners edge fixed mounting of surge tank inner wall has the fixed block, the one end fixed mounting that the fixed block is close to the surge tank center has the spring, the one end fixed mounting that the spring is close to the surge tank center has the stripper block, the one end that the stripper block is close to the surge tank center is laminated with the outer wall of solid fixed cylinder mutually. The spring extrudes the extrusion block on the outer wall of the fixed cylinder, and when the fixed cylinder vibrates along with the work of the high-pressure fan body, the spring can realize the effect of buffering and damping.

Preferably, the inner walls of the upper end and the lower end of the shock absorption box are fixedly provided with first groove bodies, the inner walls of the first groove bodies are fixedly provided with third rubber blocks, and one ends, close to the centers of the shock absorption boxes, of the third rubber blocks are attached to the outer wall of the fixed cylinder. The third rubber block is arranged to realize the limiting and fixing of the fixing cylinder, and has the damping and buffering effects.

Preferably, the front end and the rear end of the shock absorption box are provided with third groove bodies in a penetrating mode, and the inner walls of the third groove bodies are attached to the outer wall of the fixed cylinder. The third groove body is convenient for placing the fixed cylinder on the inner wall of the third groove body.

Preferably, the second cell body has been seted up in both ends running through around the first sound insulation body, the activity of the upper and lower both ends inner wall of second cell body is provided with the acoustic celotex board, the equal fixed mounting in both ends has the sound sponge of inhaling about the acoustic celotex board. The acoustic celotex board can improve the syllable-dividing effect of first syllable-dividing body with inhaling the setting of inhaling the sound sponge.

Preferably, the front end of the fixed cylinder is fixedly provided with uniformly distributed limiting holes, the rear end of the sound insulation cylinder is fixedly provided with uniformly distributed screw grooves, the inner wall of each screw groove is provided with a sound attenuation column in a threaded manner, the outer wall of the front end of the sound attenuation column is fixedly provided with an external screw thread layer, the outer wall of the sound attenuation column is fixedly provided with uniformly distributed second sound absorption holes, and the outer wall of the rear end of the sound attenuation column is attached to the inner wall of the limiting hole. Install the inner wall at the thread groove with the amortization post screw thread, insert the inner wall in spacing hole with the amortization post again, can realize that the quick installation of sound proof section of thick bamboo is placed.

Preferably, the upper end four corners edge fixed mounting of bottom plate has the spliced pole, the upper and lower both ends four corners edge of first block rubber runs through and has seted up the through-hole, the inner wall of through-hole is laminated with the outer wall of spliced pole mutually, the upper end of spliced pole is connected with the lower extreme of the first sound insulation body. The setting of connecting post can improve the stability that first syllable-dividing body placed.

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

the utility model discloses a damping noise control device utilizes first sound insulation body and second sound insulation body can realize the syllable-dividing effect to the surge tank, through setting up first block rubber and second block rubber, the upper end of second block rubber is connected with the lower extreme of surge tank, can realize the shock attenuation buffering to the surge tank, be provided with the fixed block in the surge tank, spring and extrusion piece, the extrusion piece is extruded on the outer wall of fixed cylinder, the fixed cylinder is when vibrating along with the work of high pressure positive blower body, the effect of buffering shock attenuation can be realized to the spring, and set up the third block rubber and be favorable to carrying out the shock attenuation buffering to the vibration of fixed cylinder, can improve the syllable-dividing effect of first order sound insulation body through setting up the acoustic celotex board and inhaling the sound sponge, and set up the sound insulation effect that the sound insulation cylinder can advance the improvement the device of one-level, with noise and the vibration noise that can reduce the high pressure positive blower during operation and produce in order to realize multistage shock attenuation antinoise, thereby noise reduction discharges externally, guarantee surrounding environment protection.

Drawings

FIG. 1 is a schematic perspective view of a specific embodiment of the damping and noise-preventing device of the present invention;

FIG. 2 is a sectional view of a shock-absorbing box according to a specific embodiment of the shock-absorbing noise-damping device of the present invention;

FIG. 3 is a schematic perspective view of a fixing cylinder according to an embodiment of the damping and noise-preventing device of the present invention;

FIG. 4 is a schematic view of a three-dimensional split structure of a sound-proof cylinder and a sound-absorbing column of a specific embodiment of the damping and noise-proof device of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of a bottom plate according to a specific embodiment of the damping and noise-preventing device of the present invention.

The symbols in the drawings are: 1. a damper box; 2. a fixed cylinder; 3. a high pressure fan body; 4. a sound-insulating tube; 5. A base plate; 6. a first rubber block; 7. a second rubber block; 8. a first sound absorbing aperture; 9. a first sound insulating body; 10. A second sound insulating body; 11. a fixed block; 12. a spring; 13. extruding the block; 14. a connecting rod; 15. a first tank body; 16. a third rubber block; 17. a limiting hole; 18. a second tank body; 19. a sound insulating panel; 20. sound-absorbing sponge; 21. a third tank body; 22. a spiral groove; 23. a sound-deadening column; 24. an outer threaded layer; 25. a second sound absorbing hole; 26. a through hole; 27. connecting columns.

Detailed Description

The embodiment is a damping and noise-preventing device for a high-pressure fan of a papermaking production line, the three-dimensional structure schematic diagram of the damping and noise-preventing device is shown in figure 1, the cross-sectional view of a damping box 1 is shown in figure 2, and the damping and noise-preventing device comprises the damping box 1 and first sound-insulating bodies 9 fixedly arranged at the left end and the right end of the damping box 1; the inner wall activity of surge tank 1 is provided with solid fixed cylinder 2, the inner wall fixed mounting of solid fixed cylinder 2 has evenly distributed's connecting rod 14, the one end fixed mounting that connecting rod 14 is close to solid fixed cylinder 2 center has high pressure positive blower body 3, the front end activity of solid fixed cylinder 2 is provided with sound insulation section of thick bamboo 4, the below activity of surge tank 1 is provided with bottom plate 5, the upper end fixed mounting of bottom plate 5 has first block rubber 6, the upper end fixed mounting of first block rubber 6 has second block rubber 7, the upper end of second block rubber 7 is connected with the lower extreme of surge tank 1, the upper end fixed mounting of surge tank 1 has second sound insulation body 10, both ends are connected with the both ends inner wall about first sound insulation body 9 about second sound insulation body 10, both ends run through and have seted up third cell body 21 around surge tank 1, the inner wall of third cell body 21 laminates with solid fixed cylinder 2's outer wall mutually.

In order to improve the sound insulation effect of the device, the inner wall of the sound insulation cylinder 4 is fixedly provided with the first sound absorption holes 8 which are uniformly distributed, and the upper end of the second rubber block 7 is connected with the lower end of the first sound insulation body 9. The provision of the first sound absorbing hole 8 and the soundproof case 4 can improve the soundproof effect of the device.

In order to realize the shock attenuation buffering when moving high pressure positive blower body 3, the four corners edge fixed mounting of 1 inner wall of damper box has fixed block 11, the one end fixed mounting that fixed block 11 is close to 1 center of damper box has spring 12, the one end fixed mounting that spring 12 is close to 1 center of damper box has extrusion piece 13, the one end that extrusion piece 13 is close to 1 center of damper box is laminated with the outer wall of solid fixed cylinder 2 mutually, first cell body 15 has been seted up to the upper and lower both ends inner wall of damper box 1 is fixed, the inner wall fixed mounting of first cell body 15 has third block rubber 16, the one end that third block rubber 16 is close to 1 center of damper box is laminated with the outer wall of solid fixed cylinder 2 mutually. The high pressure positive blower body 3 can rebound through the spring 12 and the third rubber block 16 during operation, so that the damping and buffering can be realized during the operation of the high pressure positive blower body 3.

In order to realize falling the quick installation of making an uproar structure, first syllable-dividing body 9 runs through both ends around and has seted up second cell body 18, the activity of the upper and lower both ends inner wall of second cell body 18 is provided with acoustic celotex board 19, the equal fixed mounting in both ends has sound absorption sponge 20 about acoustic celotex board 19, the fixed spacing hole 17 of evenly distributed of seting up in the front end of solid fixed cylinder 2, the fixed spiral shell groove 22 of evenly distributed of seting up in the rear end of syllable-dividing cylinder 4, sound attenuation post 23 is installed to spiral shell groove 22's inner wall screw thread, the fixed external screw thread layer 24 that is provided with of the front end outer wall of sound attenuation post 23, sound hole 25 is inhaled to the fixed second of seting up evenly distributed of outer wall of sound attenuation post 23, the rear end outer wall of sound attenuation post 23 is laminated with spacing hole 17's inner wall mutually. Thereby 19 activities of acoustic celotex board set up and make things convenient for the quick installation of acoustic celotex board 19 to place in the inner wall of second cell body 18, install the inner wall at spiral groove 22 with noise column 23 screw thread, place the inner wall at spacing hole 17 with the rear end outer wall of noise column 23, can realize that the rapid and stable of a sound proof section of thick bamboo 4 places.

In order to improve the stability of the first sound insulation body 9, the upper end four corners edge fixed mounting of bottom plate 5 has spliced pole 27, and the upper and lower both ends four corners edge of first block rubber 6 runs through and has seted up through-hole 26, and the inner wall of through-hole 26 is laminated with spliced pole 27's outer wall mutually, and spliced pole 27's upper end is connected with the lower extreme of the first sound insulation body 9. The stability of the first sound-insulating body 9 can be improved by the arrangement of the upper end of the connecting column 27 being connected to the lower end of the first sound-insulating body 9.

The perspective structure of the fixed cylinder 2 of the damping and noise-proof device is schematically shown in fig. 3, the perspective split structure of the sound-insulating cylinder 4 and the sound-deadening column 23 is schematically shown in fig. 4, and the perspective structure of the bottom plate 5 is schematically shown in fig. 5.

When the damping noise-proof device of the technical scheme is used, the first sound insulation body 9 and the second sound insulation body 10 can achieve the sound insulation effect on the damping box 1, the upper end of the second rubber block 7 is connected with the lower end of the damping box 1, the damping buffering on the damping box 1 can be achieved, a fixing block 11 is arranged in the damping box 1, a spring 12 and an extruding block 13 are arranged on the outer wall of the fixing cylinder 2 in an extruding mode, the fixing cylinder 2 vibrates along with the working of the high-pressure fan body 3, the spring 12 can achieve the effect of buffering and absorbing, the third rubber block 16 can also perform damping buffering on the vibration of the fixing cylinder 2, the movable sound insulation plate 19 can be placed on the inner walls of the upper end and the lower end of the second groove body 18, the inner wall of the sound insulation column 23 is installed on the screw groove 22 in a threaded mode, the inner wall of the limiting hole 17 is placed on the outer wall of the rear end of the sound insulation column 23, the sound insulation cylinder 4 can achieve the rapid and stable placement, and the sound insulation effect of the device can be improved.

Claims

1. A damping and noise-preventing device for a high-pressure fan in a papermaking production line comprises a damping box and first sound insulation bodies fixedly arranged at the left end and the right end of the damping box; its characterized in that, the inner wall activity of surge tank is provided with solid fixed cylinder, gu the inner wall fixed mounting of fixed cylinder has evenly distributed's connecting rod, the one end fixed mounting that the connecting rod is close to solid fixed cylinder center has the high pressure positive blower body, gu the front end activity of fixed cylinder is provided with sound insulation section of thick bamboo, the below activity of surge tank is provided with the bottom plate, the upper end fixed mounting of bottom plate has first block rubber, the upper end fixed mounting of first block rubber has the second block rubber, the upper end of second block rubber is connected with the lower extreme of surge tank, the upper end fixed mounting of surge tank has the second sound insulation body, the second sound insulation body the left and right sides both ends and the left and right sides both ends inner wall of the first sound insulation body are connected.

2. The damping and noise-preventing device for the high-pressure draught fan of the papermaking production line as claimed in claim 1, wherein first sound-absorbing holes are formed in the inner wall of the sound-insulating cylinder and are evenly distributed, and the upper end of the second rubber block is connected with the lower end of the first sound-insulating body.

3. The damping and noise-preventing device for the high-pressure fan of the papermaking production line as claimed in claim 1, wherein fixing blocks are fixedly mounted at four corner edges of the inner wall of the surge tank, a spring is fixedly mounted at one end of the fixing block close to the center of the surge tank, an extrusion block is fixedly mounted at one end of the spring close to the center of the surge tank, and one end of the extrusion block close to the center of the surge tank is attached to the outer wall of the fixed cylinder.

4. The damping and noise-preventing device for the high-pressure fan of the papermaking production line as claimed in claim 1, wherein the inner walls of the upper and lower ends of the damping box are fixedly provided with first grooves, the inner wall of each first groove is fixedly provided with a third rubber block, and one end of each third rubber block, which is close to the center of the damping box, is attached to the outer wall of the fixed cylinder.

5. The damping and noise-preventing device for the high-pressure fan of the papermaking production line as claimed in claim 1, wherein third grooves are formed in the front end and the rear end of the damping box in a penetrating manner, and the inner walls of the third grooves are attached to the outer wall of the fixed cylinder.

6. The damping and noise-preventing device for the high-pressure fan of the papermaking production line as claimed in claim 1, wherein second grooves are formed in the front end and the rear end of the first sound-insulating body in a penetrating manner, sound-insulating boards are movably arranged on the inner walls of the upper end and the lower end of each second groove, and sound-absorbing sponges are fixedly mounted at the left end and the right end of each sound-insulating board.

7. The damping and noise-preventing device for the high-pressure fan of the papermaking production line as recited in claim 1, wherein the front end of the fixed cylinder is fixedly provided with limit holes which are uniformly distributed, the rear end of the sound-insulating cylinder is fixedly provided with screw grooves which are uniformly distributed, the inner wall of the screw grooves is provided with the sound-deadening column in a threaded manner, the outer wall of the front end of the sound-deadening column is fixedly provided with an outer screw thread layer, the outer wall of the sound-deadening column is fixedly provided with second sound-absorbing holes which are uniformly distributed, and the outer wall of the rear end of the sound-deadening column is attached to the inner wall of the limit holes.

8. The damping and noise-preventing device for the high-pressure fan of the papermaking production line as claimed in claim 1, wherein connecting columns are fixedly mounted at four corner edges of the upper end of the bottom plate, through holes are formed at four corner edges of the upper end and the lower end of the first rubber block in a penetrating manner, the inner walls of the through holes are attached to the outer walls of the connecting columns, and the upper ends of the connecting columns are connected with the lower ends of the first sound insulation bodies.