阅读说明：本技术 一种反向激振式振动搅拌缸 (Reverse excitation type vibration stirring cylinder ) 是由 贡立新 朱剑铭 芦胜海 王红兵 刘斌 孙杰升 于 2019-10-23 设计创作，主要内容包括：一种反向激振式振动搅拌缸,包括底座和设置在底座上的搅拌缸、搅拌驱动机构以及振动驱动机构,搅拌缸中设有搅拌轴,搅拌轴两端分别与搅拌驱动机构和振动驱动机构连接,搅拌机构包括搅拌电机、减速机、齿轮箱、轴承套,搅拌电机与减速机连接,减速电机输出端设有弹性联轴器,弹性联轴器另一端设有连接轴,连接轴通过齿轮箱与搅拌轴连接；振动驱动机构包括振动电机、轴承箱、转动轴、振动器,轴承座中穿设转动轴,转动轴的一端与振动器连接,振动器的另一端连接搅拌轴,转动轴的另一端设有皮带轮,振动电机输出轴上也设有皮带轮,两个皮带轮之间通过皮带传动连接,振动电机的转动方向与搅拌电机的转动方向相反,从而减少振动电机输出功率的损耗。(A reverse excitation type vibration stirring cylinder comprises a base, a stirring cylinder, a stirring driving mechanism and a vibration driving mechanism, wherein the stirring cylinder, the stirring driving mechanism and the vibration driving mechanism are arranged on the base; the vibration driving mechanism comprises a vibration motor, a bearing box, a rotating shaft and a vibrator, the rotating shaft is arranged in the bearing seat in a penetrating mode, one end of the rotating shaft is connected with the vibrator, the other end of the vibrator is connected with a stirring shaft, a belt pulley is arranged at the other end of the rotating shaft, a belt pulley is also arranged on an output shaft of the vibration motor, the two belt pulleys are connected through belt transmission, the rotating direction of the vibration motor is opposite to that of the stirring motor, and therefore the loss of the output power of the vibration motor is reduced.)

1. A reverse excitation type vibration stirring cylinder is characterized by comprising a base, a stirring cylinder, a stirring driving mechanism and a vibration driving mechanism, wherein the stirring cylinder, the stirring driving mechanism and the vibration driving mechanism are arranged on the base; the stirring mechanism comprises a stirring motor, a speed reducer, a gear box and a bearing sleeve, wherein the stirring motor is in transmission connection with the speed reducer, the output end of the speed reducer motor is connected with an elastic coupling, the other end of the elastic coupling is connected with a connecting shaft, the connecting shaft is in transmission connection with the shaft end of a stirring shaft through the gear box, the stirring shaft is rotatably arranged in the bearing sleeve, and the upper end of the bearing sleeve is fixedly arranged on the side wall of the stirring cylinder; the vibration driving mechanism comprises a vibration motor, a bearing box, a rotating shaft and a vibrator, the rotating shaft is arranged in the bearing seat in a penetrating mode, one end of the rotating shaft is connected with the vibrator, the other end of the vibrator is connected with the shaft end of the stirring shaft, the other end of the rotating shaft is provided with a belt pulley, a belt pulley is also arranged on an output shaft of the vibration motor, the two belt pulleys are connected through belt transmission, and the rotation direction of the vibration motor is opposite to that of the stirring motor.

2. The reverse excitation type vibration stirring cylinder as claimed in claim 1, wherein the vibrator comprises a connecting sleeve, a fixing sleeve and a vibration bearing, the fixing sleeve is of a cylindrical structure, one end of the connecting shaft is eccentrically arranged on the fixing sleeve, the connecting sleeve is of a hollow cylindrical structure, one end of the connecting sleeve is fixedly connected with the shaft end of the stirring shaft, the other end of the connecting sleeve is arranged in an opening, the vibration bearing is fixedly arranged in the inner cavity of the connecting sleeve, and the fixing sleeve is connected with the inner ring of the vibration bearing by passing through the opening end of the connecting sleeve.

3. The reverse excitation type vibration stirring cylinder as defined in claim 2, wherein one end of said stirring shaft is provided with a flange sleeve, and said stirring shaft is fixedly connected with said connecting sleeve through said flange sleeve.

4. A reverse excitation type vibration stirring cylinder as defined in claim 3, wherein said flange housing is fixedly provided at the center of one end of the connecting housing by means of bolts.

5. The reverse excitation type vibration stirring cylinder as defined in claim 1, further comprising a variable frequency control mechanism, wherein the variable frequency control mechanism comprises a PLC controller and a frequency converter, the variable frequency control device comprises a PLC controller and a frequency converter, an output terminal of the PLC controller is electrically connected to an input terminal of the frequency converter, and an output terminal of the frequency converter is electrically connected to an input terminal of the vibration motor.

6. The reverse excitation type vibration stirring cylinder as defined in claim 1, wherein the vibration bearing is fitted into the inner cavity of the connecting sleeve such that the outer ring of the vibration bearing is fitted to the inner wall of the connecting sleeve.

7. A reverse excitation type vibration stirring cylinder as defined in claim 1, wherein said vibration bearing is provided in the center of the inner cavity of the connecting sleeve.

Technical Field

The invention belongs to the technical field of stirring of mixing equipment, and particularly relates to a reverse excitation type vibration stirring cylinder.

Background

With the increasing traffic volume and vehicle load, higher requirements are placed on the overall strength and smoothness of the road. Stirring is an important process in the production process of the mixture, and directly influences the quality of the mixture. Vibration stirring is a main form in the stirring field, and especially axle vibration stirring, it has obvious advantage to compare traditional stirring mode, not only can shorten the churning time, can improve the homogeneity of stirring moreover. The existing vibration stirring adopts the technical scheme that one end of a stirring shaft is connected with a rotating motor, the other end of the stirring shaft is connected with a vibrator to generate vibration acting force, so that the stirring shaft revolves while rotating, the rotation speed and the revolution speed of the stirring shaft are about 100r/m and about 1500r/m respectively, because two ends of a bearing seat are connected with the stirring shaft and the stirring motor through bearings, the rotating directions of the stirring motor and the vibrating motor in the existing vibration stirring machine in the market are the same, the stirring shaft and the vibrating shaft synchronously rotate, and because the rotating speed of the vibrating shaft is higher than that of the stirring shaft, the dragging effect can be brought to the vibrating shaft, the loss of the high-speed end is about 100r/m when the high-speed end rotates, the output power of the vibrating motor is influenced, the current of the vibrating motor is increased, the vibrating motor is easy to, meanwhile, the vibrating shaft drags the stirring shaft to rotate, so that the temperature of the bearing is easily increased, and the service life of the bearing is influenced.

Disclosure of Invention

Aiming at the problems, the invention discloses a reverse excitation type vibration stirring cylinder, which enables the output power of a vibration motor to be maximum and ensures the current of the vibration motor to be in a stable state by adjusting the rotation direction of the vibration motor to be opposite to the rotation direction of a stirring motor.

The specific technical scheme is as follows:

a reverse excitation type vibration stirring cylinder comprises a base, a stirring cylinder, a stirring driving mechanism and a vibration driving mechanism, wherein the stirring cylinder, the stirring driving mechanism and the vibration driving mechanism are arranged on the base; the stirring mechanism comprises a stirring motor, a speed reducer, a gear box and a bearing sleeve, wherein the stirring motor is in transmission connection with the speed reducer, the output end of the speed reducer motor is connected with an elastic coupling, the other end of the elastic coupling is connected with a connecting shaft, the connecting shaft is in transmission connection with the shaft end of a stirring shaft through the gear box, the stirring shaft is rotatably arranged in the bearing sleeve, and the upper end of the bearing sleeve is fixedly arranged on the side wall of the stirring cylinder; the vibration driving mechanism comprises a vibration motor, a bearing box, a rotating shaft and a vibrator, the rotating shaft is arranged in the bearing seat in a penetrating mode, one end of the rotating shaft is connected with the vibrator, the other end of the vibrator is connected with the shaft end of the stirring shaft, the other end of the rotating shaft is provided with a belt pulley, a belt pulley is also arranged on an output shaft of the vibration motor, the belt pulley is connected with the belt pulley in a transmission mode, the rotating direction of the vibration motor is opposite to the rotating direction of the stirring motor, and the vibration motor drives the revolution direction of the stirring shaft to be opposite to the rotation direction of the stirring shaft through.

Further, the vibrator includes adapter sleeve, fixed cover, vibration bearing, fixed cover is cylindrical structure, and fixed eccentric settings in the cover the one end of connecting axle, the adapter sleeve is hollow cylindrical structure, the axle head fixed connection of adapter sleeve one end and (mixing) shaft, and the adapter sleeve other end sets up for the opening, fixes in the inner chamber of adapter sleeve and sets up vibration bearing, just thereby fixed cover through the open end setting that passes the adapter sleeve with vibration bearing's inner circle is connected.

Furthermore, one end of the stirring shaft is provided with a flange sleeve, and the stirring shaft is fixedly connected with the connecting sleeve through the flange sleeve.

Furthermore, the flange sleeve is fixedly arranged at the center of one end of the connecting sleeve through a bolt.

Further, still including frequency conversion control mechanism, frequency conversion control mechanism includes PLC controller and converter, frequency conversion control device includes PLC controller and converter, the output of PLC controller is connected with the input electricity of converter, the output of converter is connected with vibrating motor's input electricity.

Furthermore, the vibration bearing and the inner cavity of the connecting sleeve are in full fit, so that the outer ring of the vibration bearing is attached to the inner wall of the connecting sleeve.

Further, the vibration bearing is arranged in the center of the inner cavity of the connecting sleeve.

The invention has the beneficial effects that:

(1) compared with the existing vibration stirrer, the rotation direction of the vibration motor is adjusted to be opposite to the rotation direction of the stirring motor, so that the rotation direction of the rotation shaft at the high-speed end is opposite to the rotation direction of the stirring shaft at the low-speed end, the loss of the output power of the vibration motor is effectively reduced, the output power of the vibration motor is maximized, the current of the stirring motor is kept in a stable state, and the problem of tripping of the motor is avoided.

(2) According to the invention, the rotating directions of the rotating shaft and the stirring shaft are opposite, so that the rotating speed of the rotating shaft is superposed with the rotating speed of the stirring shaft, and the rotating shaft can not generate dragging effect on the stirring shaft through the vibrator, thereby reducing friction between the rotating shaft and the vibration bearing, avoiding high temperature generation of the vibration bearing, reducing abrasion of the vibration bearing and prolonging the service life of the vibration bearing.

(3) According to the invention, the controller controls the frequency converter to adjust the rotating speed of the vibrating motor and reduce the rotating speed of the rotating shaft, so that the vibration force of the vibrator is adjusted, the stirring shaft can be suitable for mixing of mixtures with different viscosities, and the practicability is high.

Drawings

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

Fig. 2 is a top view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 is a sectional view of a vibrator according to the present invention.

Description of the reference numerals

The stirring device comprises a base 1, a stirring cylinder 2, a stirring shaft 21, a flange sleeve 211, a stirring driving mechanism 3, a stirring motor 31, a speed reducer 32, an elastic coupling 33, a gear box 34, a bearing sleeve 35, a connecting shaft 36, a vibration driving mechanism 4, a vibration motor 41, a belt pulley 411, a belt 412, a bearing box 42, a rotating shaft 43, a vibrator 44, a connecting sleeve 441, a fixing sleeve 442, a vibration bearing 443, a variable frequency control mechanism 5, a PLC (programmable logic controller) 51 and a frequency converter 52.

Detailed Description

In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixing and the arrangement of the fixing and the connection are all general connection modes in the mechanical field, and the fixing and the connection can be performed by welding, bolt and nut connection and screw connection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The type of the frequency converter adopted in the invention is penicillin SD-100-18.5, which is purchased from Yishengxi commercial Co., Ltd, and is not described herein for the prior art.

A reverse excitation type vibration stirring cylinder comprises a base, a stirring cylinder, a stirring driving mechanism and a vibration driving mechanism, wherein the stirring cylinder is arranged on the base, a stirring shaft is arranged in the stirring cylinder, two ends of the stirring shaft penetrate through two ends of the stirring cylinder and are respectively in transmission connection with the stirring driving mechanism and the vibration driving mechanism, the stirring mechanism comprises a stirring motor, a speed reducer, a gear box and a bearing sleeve, the stirring motor is in transmission connection with the speed reducer, the rotating speed of the output end of the speed reducer is about 100r/min, the output end of the speed reducer is connected with an elastic coupling, the other end of the elastic coupling is connected with a connecting shaft, the connecting shaft is in transmission connection with the shaft end of the stirring shaft through the gear box, so that the stirring motor drives the stirring shaft to rotate through the speed reducer and the gear box, the stirring shaft is, the upper end of the bearing sleeve is fixedly arranged on the side wall of the stirring cylinder; the vibration driving mechanism comprises a vibration motor, a bearing box, a rotating shaft and a vibrator, the rotating shaft penetrates through the bearing seat, one end of the rotating shaft is connected with the vibrator, the other end of the vibrator is connected with the shaft end of the stirring shaft, the other end of the rotating shaft is provided with a belt pulley, the output shaft of the vibration motor is also provided with the belt pulley, the two belt pulleys are connected through belt transmission, the rotating speed of the output shaft of the vibration motor is about 1500r/min, the vibration motor drives the rotating shaft to rotate at high speed through the belt and the belt pulley, the rotating shaft drives the stirring shaft to revolve through the vibrator, the rotating direction of the vibration motor is opposite to the rotating direction of the stirring motor, the rotating direction of the vibration motor drives the stirring shaft to revolve through the vibrator and is opposite to the rotating direction of the stirring shaft, and, at the moment, the relative rotating speed between the inner ring and the outer ring of the bearing reaches about 1600r/min, so that the rotating shaft cannot drag the stirring shaft through the vibrator.

Further, the vibrator includes adapter sleeve, fixed cover, vibration bearing, fixed cover is cylindrical structure, and fixed eccentric settings in the cover the one end of connecting axle, the adapter sleeve is hollow cylindrical structure, the axle head fixed connection of adapter sleeve one end and (mixing) shaft, and the adapter sleeve other end sets up for the opening, fixes in the inner chamber of adapter sleeve and sets up vibration bearing, just thereby fixed cover through the open end setting that passes the adapter sleeve with vibration bearing's inner circle is connected.

Furthermore, one end of the stirring shaft is provided with a flange sleeve, and the stirring shaft is fixedly connected with the connecting sleeve through the flange sleeve.

Furthermore, the flange sleeve is fixedly arranged at the center of one end of the connecting sleeve through a bolt.

Further, still including frequency conversion control mechanism, frequency conversion control mechanism includes PLC controller and converter, frequency conversion control device includes PLC controller and converter, the output of PLC controller is connected with the input electricity of converter, the output of converter is connected with vibrating motor's input electricity.

Furthermore, the vibration bearing and the inner cavity of the connecting sleeve are in full fit, so that the outer ring of the vibration bearing is attached to the inner wall of the connecting sleeve.

Furthermore, the vibration bearing is arranged at the center of the inner cavity of the connecting sleeve, so that the center of the fixing sleeve is coincided with the center of the stirring shaft.

The working principle is as follows:

the rotation direction through adjustment vibrating motor is opposite with stirring motor's rotation direction, make the rotation direction of the axis of rotation of high-speed end opposite with the (mixing) shaft rotation direction of low-speed end, make the rotational speed of axis of rotation and the axle rotational speed of stirring produce the stack, the relative speed between the inner circle of bearing and the outer lane reaches 1600 rpm this moment, can not produce the axis of rotation and drag the (mixing) shaft and carry out the pivoted effect, avoid the (mixing) shaft to produce the resistance to the rotation of axis of rotation, make stirring motor's output can not receive the influence of high-speed end axis of rotation, thereby output is more steady, also reduce vibrating motor output's loss simultaneously. The controller controls the frequency converter to adjust the rotating speed of the vibrating motor, and reduces the rotating speed of the rotating shaft, so that the vibration force of the vibrator is adjusted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.