CN210969408U

CN210969408U - Eccentric excitation device of vibration stirring shaft

Info

Publication number: CN210969408U
Application number: CN201920615326.3U
Authority: CN
Inventors: 傅东有
Original assignee: Zhengzhou Haifu Electromechanical Equipment Co ltd
Current assignee: Zhengzhou Haifu Electromechanical Equipment Co ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-07-10
Anticipated expiration: 2029-04-30

Abstract

The utility model provides an eccentric excitation device of vibration (mixing) shaft, the inside two support bearing that are equipped with of first bearing base, support bearing has passed the excitation axle, and the one end of excitation axle is passed support bearing and is stretched out first bearing base, is fixed with the one end that the drive wheel excitation axle deviates from the drive wheel on the tip of the end that stretches out of excitation axle and passes support bearing and stretch out first bearing base, and fixed mounting has second bearing base on the other end that stretches out of excitation axle, the inside of second bearing base is equipped with the floating bearing who is used for fixed (mixing) shaft, and the one end of (mixing) shaft is passed floating bearing and with floating bearing fixed connection, has axial offset between excitation axle and the (mixing) shaft, is equipped with eccentric block and flabellum on the outer wall of second bearing base. The utility model discloses can accomplish the vibration of material when the stirring to simple structure can dispel the heat to the bearing when using, with the life who improves the bearing, and the security is high simultaneously.

Description

Eccentric excitation device of vibration stirring shaft

Technical Field

The utility model relates to a vibration agitated vessel technical field especially relates to an eccentric excitation device of vibration (mixing) shaft.

Background

The concrete is made up by fully mixing solid granules of sand and stone, powder material of cement and liquid component of water according to a certain proportion, and the concrete mixer is a direct equipment for implementing concrete mixing, and its function is to mix the mixed material into uniform mixture meeting quality requirements, and according to the working principle it can be divided into two classes of self-falling type mixer and forced mixer. Although both the gravity-type mixer and the forced mixer can make the mixture macroscopically homogeneous in a short time, under a microscope, 10-30% of cement particles are still found to be adhered into tiny cement clusters, namely, the mixture is microscopically not homogeneous. The forced stirring is to apply vibration in the stirring process to make the powder particles of cement and the like in flutter, destroy the cohesive structure of cement and water, fully hydrate the cement particles, accelerate the movement speed of each component, increase the effective collision times, accelerate the diffusion speed of hydration products on the aggregate surface to a liquid phase, purify the aggregate surface, enhance the interface bonding strength, and have remarkable effects on the improvement of the concrete microstructure, the saving of cement, the increase of strength, the improvement of durability and the like. However, most of the existing mixers are mixers without vibration function in production and manufacturing, and a small part of mixers with vibration function have the defects of complex structure, low safety performance, short service life, low efficiency and lack of the existing mixers.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defects of the prior art, the utility model aims to provide an eccentric excitation device of vibration (mixing) shaft, can accomplish the vibration of material when the stirring to simple structure can dispel the heat to the bearing when using, in order to improve the life of bearing.

The eccentric excitation device of the vibrating stirring shaft comprises a first bearing base, wherein two supporting bearings are arranged in the first bearing base, an excitation shaft penetrates through the supporting bearings, one end of the excitation shaft penetrates through the supporting bearings and extends out of the first bearing base, a transmission wheel is fixed on the end part of the extending end of the excitation shaft and is connected with a driving device, one end of the excitation shaft, which is far away from the transmission wheel, penetrates through the supporting bearings and extends out of the first bearing base, first base end covers are arranged at two ends of the first bearing base, the first base end covers are detachably arranged on the first bearing base through bolts, a second bearing base is fixedly arranged at the other extending end of the excitation shaft, a floating bearing for fixing the stirring shaft is arranged in the second bearing base, one end of the stirring shaft penetrates through the floating bearing and is fixedly connected with the floating bearing, the one end that deviates from first bearing base of second bearing base passes through bolt detachable and installs second base end cover, axial offset has between excitation shaft and the (mixing) shaft, be equipped with eccentric block and flabellum on the outer wall of second bearing base, flabellum detachable installs on second bearing base, the flabellum pushes away the wind direction and is the direction of excitation shaft.

Preferably, the driving device is a motor, and the driving wheel can be transmitted to the excitation shaft in a coupling transmission mode, a belt transmission mode or a gear transmission mode.

Preferably, an oil inlet hole is formed in the first bearing base and is a through hole, an oil inlet channel is formed in the excitation shaft and comprises a vertical channel and an axial channel, the axial channel is communicated with one side of the stirring shaft along the axis position of the excitation shaft, one end of the vertical channel is communicated with the axial channel, and the other end of the vertical channel penetrates through the outer wall of the excitation shaft.

Preferably, a retaining ring is arranged at the oil inlet and fixedly mounted on the first bearing base, the retaining ring is connected with an oil inlet cover through a soft material, and the cable tiger oil inlet cover is made of rubber.

The utility model has the advantages that: can provide stable vibration output power at the agitated vessel during operation, can improve the stirring effect of material, the flabellum is equipped with simultaneously, can rotate the high temperature that produces to high speed and carry out effectual obtaining cooling, avoid the bearing to produce the damage because of the high temperature, the service life is increased, be equipped with the oiling passageway in the device simultaneously, can realize that the device can accomplish the lubrication to the bearing under operating condition, avoid the bearing because of lacking the wearing and tearing that the lubrication caused, the service life is prolonged, the while is not lubricated, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the side view structure of the utility model.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, an eccentric excitation device of a vibration stirring shaft comprises a first bearing base 1, and is characterized in that two supporting bearings 2 are arranged in the first bearing base, an excitation shaft 3 penetrates through the supporting bearings 2, one end of the excitation shaft 3 penetrates through the supporting bearings 2 and extends out of the first bearing base 1, a driving wheel 4 is fixed on the end portion of the extending end of the excitation shaft 3, the driving wheel 4 is connected with a driving device, one end of the excitation shaft 3, which is far away from the driving wheel 4, penetrates through the supporting bearings 2 and extends out of the first bearing base 1, first base end covers 5 are arranged at two ends of the first bearing base 1, the first base end covers 5 are detachably mounted on the first bearing base 1 through bolts, a second bearing base 7 is fixedly mounted at the other extending end of the excitation shaft 3, a floating bearing 8 for fixing a stirring shaft 9 is arranged in the second bearing base 7, the one end of (mixing) shaft 9 passes floating bearing 8 and with floating bearing 8 fixed connection, second bearing base end cover 10 is installed through bolt detachable to the one end that deviates from first bearing base 1 of second bearing base 7, axial offset has between excitation axle 3 and the (mixing) shaft 9, be equipped with eccentric block 11 and flabellum 12 on the outer wall of second bearing base 7, flabellum 12 detachable installs on second bearing base 7, flabellum 12 pushes away the wind direction and is the direction of excitation axle 3.

When the device starts to work, the driving device is started, the driving device drives the belt pulley 4 to rotate at a high speed through the belt structure, so as to drive the excitation shaft 3 to rotate at a high speed, the other side of the excitation shaft 3 is fixedly connected with the second bearing base 7, and the floating bearing 8 is fixedly arranged in the second bearing base 7, so as to drive the outer ring of the floating bearing 8 to rotate at a high speed, the inner ring of the floating bearing 8 is fixedly connected with the stirring shaft 9, the stirring shaft 9 is driven to rotate at a low speed, so as to generate vibration, the purpose of stirring and vibrating the stirring shaft 9 is realized, the materials can be fully hydrated, the device has obvious effects on the improvement of the microstructure of the materials, the saving of the materials, the increase of the strength, the improvement of the durability and the like, the eccentric block 11 is arranged on the outer wall of the second bearing base 7, so as to dynamically, the production efficiency is reduced, and meanwhile, the rotating speed of the excitation shaft can be adjusted by adjusting the rotating speed of the driving device, so that different vibration frequencies are obtained, and the purpose of different working requirements is achieved. The device is when using, drive arrangement can drive excitation shaft 3 and rotate at a high speed, the bearing can produce a large amount of heat energy because high-speed rotation simultaneously, if not dispel the heat can lead to the fact the injury to the device itself, so install a plurality of flabellums 12 on the outer wall of second bearing base 7, flabellum 12 pushes away the wind direction and is the direction of excitation shaft 3, at the high-speed rotation of device during operation excitation shaft 3, can drive second bearing base 7 and rotate, can drive flabellum 12 and rotate together this moment, the wind that produces can blow away toward the direction of excitation shaft, carry out forced air cooling to excitation shaft 3, avoid excitation shaft 3 to produce too high temperature owing to high-speed rotation, lead to the fact destruction to the device itself, the service life of device has been improved, user's cost has been reduced.

The driving device is a motor, and the driving wheel 4 can be transmitted to the exciting shaft 3 in a coupling transmission mode, a belt transmission mode or a gear transmission mode.

The driving mode of the device can be replaced and used according to specific working places, working modes and working requirements, so that the best working state of the device is achieved, and the production efficiency is improved.

Be equipped with inlet port 13 on the first bearing base 1, inlet port 13 is the through hole, the inside oil feed passageway that is equipped with of excitation shaft 3, the oil feed passageway includes vertical passageway and axial passageway, the axial passageway just link up to one side of (mixing) shaft 9 along the axis position of excitation shaft 3, vertical passageway one end and axial passageway intercommunication, the other end runs through to the outer wall of excitation shaft 3.

The bearing needs to be lubricated to reduce the friction of the bearing when in work, the oil inlet hole 13 is formed in the first bearing base, lubricating oil can be poured into the first bearing base 1 through the oil inlet hole, the excitation shaft 3 is provided with the oil inlet channel, the lubricating oil can enter the second bearing base 7 through the oil inlet channel to lubricate the floating bearing 8, the first bearing base 1 does not rotate when in work, and the relative static state is kept, so that the situation that the floating bearing 8 needs to be stopped for operation when in lubrication is avoided, the production efficiency is improved, meanwhile, the service life of the device can be prolonged by timely lubricating oil adding, and the use cost of a user is reduced.

The oil inlet hole 13 is provided with a retaining ring, the retaining ring 6 is fixedly installed on the first bearing base, the retaining ring 6 is connected with an oil inlet cover through a soft material, and the oil inlet cover is made of rubber.

The device can produce vibrations at the during operation, spills for avoiding the inside lubricating oil of first bearing base 1, causes the waste, simultaneously for avoiding the pollutant to enter into first bearing base 1 inside through inlet port 13, causes the destruction to the device itself, is equipped with the oil feed flap on the device to connect its article through the rope class on fixing the buckle of first bearing base, avoid it to lose, adopt the rubber material simultaneously, can obtain better sealed effect.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. An eccentric excitation device of a vibration stirring shaft comprises a first bearing base (1) and is characterized in that two supporting bearings (2) are arranged inside the first bearing base, an excitation shaft (3) penetrates through the supporting bearings (2), one end of the excitation shaft (3) penetrates through the supporting bearings (2) and extends out of the first bearing base (1), a transmission wheel (4) is fixed on the end portion of the extending end of the excitation shaft (3), the transmission wheel (4) is connected with a driving device, one end, deviating from the transmission wheel (4), of the excitation shaft (3) penetrates through the supporting bearings (2) and extends out of the first bearing base (1), first base end covers (5) are arranged at two ends of the first bearing base (1), the first base end covers (5) are detachably installed on the first bearing base (1) through bolts, a second bearing base (7) is fixedly installed at the other extending end of the excitation shaft (3), the utility model discloses a bearing (mixing) shaft, including first bearing base (7), second bearing base (7) and fan blade (12), the inside of second bearing base (7) is equipped with floating bearing (8) that are used for fixed (mixing) shaft (9), the one end of (mixing) shaft (9) pass floating bearing (8) and with floating bearing (8) fixed connection, the one end that deviates from first bearing base (1) of second bearing base (7) is passed through bolt detachable and is installed second base end cover (10), axial offset has between excitation shaft (3) and (mixing) shaft (9), be equipped with eccentric block (11) and fan blade (12) on the outer wall of second bearing base (7), fan blade (12) detachable installs on second bearing base (7), fan blade (12) push away the wind direction and are the direction of excitation shaft.

2. The eccentric excitation device of a vibrating stirring shaft as set forth in claim 1, wherein the driving device is a motor, and the driving wheel (4) can be transmitted to the excitation shaft (3) by means of a coupling transmission, a belt transmission or a gear transmission.

3. The eccentric excitation device of a vibrating stirring shaft according to claim 1, characterized in that an oil inlet (13) is arranged on the first bearing base (1), the oil inlet (13) is a through hole, an oil inlet channel is arranged inside the excitation shaft (3), the oil inlet channel comprises a vertical channel and an axial channel, the axial channel is communicated with one side of the stirring shaft (9) along the axial position of the excitation shaft (3), one end of the vertical channel is communicated with the axial channel, and the other end of the vertical channel is communicated with the outer wall of the excitation shaft (3).

4. The eccentric excitation device of the vibrating stirring shaft as recited in claim 3, wherein a retaining ring is disposed at the oil inlet (13), the retaining ring (6) is fixedly mounted on the first bearing base, the retaining ring (6) is connected with an oil inlet cover through a soft material, and the oil inlet cover is made of rubber.