CN105944801A

CN105944801A - Low-noise ball grinder

Info

Publication number: CN105944801A
Application number: CN201610453764.5A
Authority: CN
Inventors: 丁黎清
Original assignee: Jiangsu Wuxi Huishan Pump Industry Co Ltd
Current assignee: Jiangsu Wuxi Huishan Pump Industry Co Ltd
Priority date: 2016-06-22
Filing date: 2016-06-22
Publication date: 2016-09-21

Abstract

The invention discloses a low-noise ball grinder which comprises a discharging opening. One end of the discharging opening is fixedly connected with an enclosure. The upper portion of one end, far away from the discharging opening, of the enclosure is fixedly connected with feeding openings. A motor is arranged on the side face, far away from the discharging opening, of the enclosure. The motor is arranged below the feeding openings. A rotor of the motor is connected with a rotating shaft. The rotating shaft stretches into the axis of the enclosure and extends to the other end of the enclosure. A support is arranged on the bottom face of the motor. An anti-vibration pad is fixedly connected to the bottom end of the support. The end, far away from the motor, of the rotating shaft is sleeved with a bearing pedestal. Stabilization devices are arranged on the lower side face of the enclosure. A noise reduction and vibration prevention device is adopted in the enclosure. According to the low-noise ball grinder, a novel noise reduction device is adopted, a structural layer is additionally mounted in the enclosure, and therefore the intensity of generated noise is reduced, noise transmission is effectively cut off, and the decibel of the noise is lowered; and a noise reduction shell is additionally mounted on the outer portion of the enclosure, and therefore noise transmission is further stopped.

Description

A kind of low noise ball mill

Technical field

The present invention relates to mechanical equipment technical field, be specially a kind of low noise ball mill.

Background technology

Plant equipment and extensively, ball mill is one of the most important composition, and ball mill is after material is broken, then carries out the key equipment pulverized.It is widely used in cement, silicate product, New Building Materials, refractory material, chemical fertilizer and the production industry such as non-ferrous metal ore and glass ceramics, various Ores and other grindability material are carried out dry type or wet type grinding, ball mill is by the cylinder of level, input and output material hollow axle and mill first class sections composition, cylinder is long cylinder, cylinder is built with abrasive body, cylinder is steel plate manufacture, has steel liner plate to fix with cylinder, and abrasive body is generally steel ball, and press in different-diameter and certain proportion loading cylinder, abrasive body also can use steel section.Granularity according to grinding material is selected, material is loaded in cylinder by feeding of ball mill end hollow axle, when ball mill barrel rotates time, abrasive body is due to inertia and centrifugal action, the effect of frictional force, makes it be attached on shell liner and is taken away by cylinder, in time being brought to certain height, being left due to the action of gravity of itself, the material in cylinder is smashed as projectile by the abrasive body of whereabouts.Owing to the operation principle of ball mill is friction and collision, and the material processed is all hard material, wherein collision and fricative noise are bigger with vibrations, when having people near ball mill, can feel noisy and uncomfortable, work in the environment of high noisy for a long time and also the healthy of workman can be produced impact.

Summary of the invention

It is an object of the invention to provide a kind of low noise ball mill, with the problem solving to propose in above-mentioned background technology.

For achieving the above object, the present invention provides following technical scheme: a kind of low noise ball mill, including discharging opening, one end of described discharging opening is fixing with casing to be connected, described casing is fixedly connected with charging aperture away from the top of discharging opening one end, described casing is provided with motor away from the side of discharging opening, the rotor of described motor is flexibly connected with rotary shaft, one end of described rotary shaft is run through case axis and extends to the casing other end, the bottom surface of described motor is provided with support, the bottom of described support is fixedly connected with crash roll, described rotary shaft is set with bearing block away from one end of motor, the downside of described casing is provided with securing device, the inside of described casing is installed with sound-reducing shockproof device.

Preferably, described securing device includes base body, telescopic mast, base and pressure-bearing platform, described base body is connected to the downside outer wall of casing, and the bottom surface of described base body is fixedly connected with pressure-bearing platform, the both sides of described pressure-bearing platform have top fix connect base body bottom fix connect base telescopic mast.

Preferably, described sound-reducing shockproof device include spring layer, liquid level, spongy layer, corrugated structure layer, fine sand layer, every dead level and firm layer, described firm layer inner chamber is fixedly connected with stable bolt, described spring layer, liquid level, spongy layer, corrugated structure layer, fine sand layer, is arranged in order from inside to outside every dead level and firm layer.

Preferably, described bolt of stablizing is evenly arranged in the inside of firm layer, stablizes the spacing between bolt impartial.

Preferably, the outer cover of described casing is provided with projection equipped with noise reduction shell, the inwall of described noise reduction shell.

Compared with prior art, the invention has the beneficial effects as follows: this low noise ball mill, have employed novel denoising device, structure sheaf has been added at casing internal, reduce the size producing noise, be effectively blocked the propagation of noise, reduce the decibel of noise, and outside casing, add noise reduction shell, the propagation of further blocking noise.

Accompanying drawing explanation

Fig. 1 is present configuration schematic diagram；

Fig. 2 is present configuration side view；

Fig. 3 is present configuration denoising device schematic diagram.

In figure: 1 discharging opening, 2 casing, 3 charging apertures, 4 motors, 5 rotary shafts, 6 directly, 7 crash rolls, 8 bearing blocks, 9 securing devices, 91 base bodies, 92 telescopic masts, 93 bases, 94 pressure-bearing platforms, 10 sound-reducing shockproof devices, 101 spring layers, 102 liquid levels, 103 spongy layers, 104 corrugated structure layers, 105 fine sand layer, 106 every dead level, 107 consolidate layer, 108 stablize bolt, 11 noise reduction shells.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.

nullRefer to Fig. 1-3，The present invention provides a kind of technical scheme: a kind of low noise ball mill，Including discharging opening 1，One end of discharging opening 1 is fixing with casing 2 to be connected，Casing 2 is fixedly connected with charging aperture 3 away from the top of discharging opening 1 one end，Casing 2 is provided with motor 4 away from the side of discharging opening 1，With the addition of observation port，Observation port can help people to observe the polishing effect of material，The product control of strength imparting material，The rotor of motor 4 is flexibly connected with rotary shaft 5，One end of rotary shaft 5 is run through casing 2 axle center and extends to casing 2 other end，The bottom surface of motor 4 is provided with support 6，The bottom of support 6 is fixedly connected with crash roll 7，Crash roll 7 can reduce vibrations，Strengthen the stability of machine，Rotary shaft 5 is set with bearing block 8 away from one end of motor，Bearing block 8 can strengthen the stability of machine，Have a machine in operation more smooth，The downside of casing 2 is provided with securing device 9，Securing device 9 can keep the stability of machine，Injury vibrations caused reduces，Securing device 9 includes base body 91、Telescopic mast 92、Base 93 and pressure-bearing platform 94，Base body 91 is connected to the downside outer wall of casing 1，The bottom surface of base body 91 is fixedly connected with pressure-bearing platform 94，The both sides of pressure-bearing platform 94 have top fix connect base body 91 bottom fix connect base 93 telescopic mast 92，The elastic force of telescopic mast 92 can help machine to consolidate，Thus improve the safety of machine，The inside of casing 2 is installed with sound-reducing shockproof device 10，Sound-reducing shockproof device 10 includes spring layer 101、Liquid level 102、Spongy layer 103、Corrugated structure layer 104、Fine sand layer 105、Every dead level 106 and firm layer 107，The structure being layering，Can noise reduction layer by layer，Reduce offset noise while vibrations，Reach the purpose of low noise，Liquid is the biggest for the barrier effect of sound wave，Fine sand then can stop vibrations，The uniqueness of corrugated structure can preferably abate the noise，Thus reduce the purpose of vibrations，Reduce the vibrations impact on machine，Firm layer 107 inner chamber is fixedly connected with stable bolt 108，Spring layer 101、Liquid level 102、Spongy layer 103、Corrugated structure layer 104、Fine sand layer 105、It is arranged in order from inside to outside every dead level 105 and firm layer 107，Stablize bolt 108 and be evenly arranged in the inside of firm layer 107，Stablize the spacing between bolt 108 impartial，The probability that the existence stablizing bolt 108 can make casing 1 deform greatly reduces，Make casing 1 can bear the collision of heavier material，The outer cover of casing 1 is equipped with noise reduction shell 11，The inwall of noise reduction shell 11 is provided with projection，Irregular projection can effectively absorb noise，Reach the purpose of noise reduction.

Operation principle: increase structure sheaf, utilize liquid and the principle of hollow structure sound insulation, abate the noise, noise is made to diminish, reach the purpose of low noise, and adding noise reduction shell 11 outside casing 1, the irregular projection of noise reduction shell 11 inwall can effectively absorb the noise spread out of, reach the purpose of further noise reduction.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can carry out multiple change without departing from the principles and spirit of the present invention, revise, replace and modification, the scope of the present invention be defined by the appended.

Claims

null1. a low noise ball mill，Including discharging opening (1)，One end of described discharging opening (1) is fixing with casing (2) to be connected，Described casing (2) is fixedly connected with charging aperture (3) away from the top of discharging opening (1) one end，Described casing (2) is provided with motor (4) away from the side of discharging opening (1)，The rotor of described motor (4) is flexibly connected with rotary shaft (5)，One end of described rotary shaft (5) is run through casing (2) axle center and extends to casing (2) other end，The bottom surface of described motor (4) is provided with support (6)，The bottom of described support (6) is fixedly connected with crash roll (7)，Described rotary shaft (5) is set with bearing block (8) away from one end of motor，It is characterized in that: the downside of described casing (2) is provided with securing device (9)，The inside of described casing (2) is installed with sound-reducing shockproof device (10).
A kind of low noise ball mill the most according to claim 1, it is characterized in that: described securing device (9) includes base body (91), telescopic mast (92), base (93) and pressure-bearing platform (94), described base body (91) is connected to the downside outer wall of casing (1), the bottom surface of described base body (91) is fixedly connected with pressure-bearing platform (94), and there is the fixing telescopic mast (92) connecting base body (91) bottom fixing connection base (93) in top the both sides of described pressure-bearing platform (94).
A kind of low noise ball mill the most according to claim 1, it is characterized in that: described sound-reducing shockproof device (10) includes spring layer (101), liquid level (102), spongy layer (103), corrugated structure layer (104), fine sand layer (105), every dead level (106) and firm layer (107), described firm layer (107) inner chamber is fixedly connected with stable bolt (108), described spring layer (101), liquid level (102), spongy layer (103), corrugated structure layer (104), fine sand layer (105), it is arranged in order from inside to outside every dead level (105) and firm layer (107).
A kind of low noise ball mill the most according to claim 3, it is characterised in that: described bolt (108) of stablizing is evenly arranged in the inside of firm layer (107), stablizes the spacing between bolt (108) impartial.
A kind of low noise ball mill the most according to claim 1, it is characterised in that: the outer cover of described casing (1) is provided with projection equipped with noise reduction shell (11), the inwall of described noise reduction shell (11).