CN114570273B

CN114570273B - Safe chemical raw material stirring device

Info

Publication number: CN114570273B
Application number: CN202210192651.XA
Authority: CN
Inventors: 徐刚; 路旭东
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2023-06-23
Anticipated expiration: 2042-03-01
Also published as: CN114570273A

Abstract

The invention belongs to the field of chemical production equipment, and particularly relates to a safe chemical raw material stirring device. The technology includes (mixing) shaft and stirring portion, stirring portion includes the rolling disc, the rolling disc is the annular hollow structure of cover outside the (mixing) shaft lower extreme, the rolling disc leans on (mixing) shaft one side to be open structure, the outer wall of rolling disc evenly is provided with a plurality of guide cylinders that become radial setting, guide cylinder and the inside intercommunication of rolling disc, the (mixing) shaft lower extreme is provided with coupling assembling, and is connected with the rolling disc through coupling assembling. When the rotating disc rotates, the fluid materials in the guide cylinder are thrown outwards by utilizing centrifugal force, so that the fluid materials are in a circulating flow state, the mixing effect of the fluid materials is realized by flowing and impacting the mixing, the safety influence problem caused by large resistance of the traditional blade structure is avoided by improving the morphological structure of the stirring part, the continuity of stirring of the fluid materials is met, and the stirring effect of the fluid materials can be met.

Description

Safe chemical raw material stirring device

Technical Field

The invention belongs to the field of chemical production equipment, and particularly relates to a safe chemical raw material stirring device.

Background

In chemical production, stirring and mixing of raw materials are usually completed in a reaction kettle with a stirring mechanism, the stirring mechanism takes a driving mechanism such as a motor as a power source, and the output rotating speed of the driving motor is changed through a speed reducer so as to achieve the rotating speed suitable for technological requirements;

the structure of the stirring mechanism is set into different shapes according to different material forms, and the stirring structure for stirring high-viscosity fluid materials such as resin is mainly a blade structure at present, so that the blade structure is subjected to great resistance at the initial stage of starting, and is easy to damage to influence the production safety and the continuity of production activities.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the invention are as follows: the utility model provides a safe industrial chemicals agitating unit can improve the security of stirring to and can guarantee the continuity of production under the prerequisite of guaranteeing the stirring effect.

The safe chemical raw material stirring device comprises a stirring shaft and a stirring part, wherein the stirring part comprises a rotating disc, the rotating disc is of an annular hollow structure sleeved outside the lower end of the stirring shaft, one side of the rotating disc, which is close to the stirring shaft, is of an opening structure, a plurality of guide cylinders which are radially arranged are uniformly arranged on the outer wall of the rotating disc, the guide cylinders are communicated with the inside of the rotating disc, and the lower end of the stirring shaft is provided with a connecting assembly and is connected with the rotating disc through the connecting assembly.

Further, the stirring shaft comprises an inner shaft and an outer shaft, both ends of the inner shaft extend out of the outer shaft, two stirring parts are arranged, stirring parts are arranged at the lower ends of the inner shaft and the outer shaft, a driving bevel gear is arranged at the upper end of the inner shaft, a driven bevel gear is arranged at the upper end of the outer shaft, an intermediate bevel gear is arranged between the driving bevel gear and the driven bevel gear, and the intermediate bevel gear is meshed with the driving bevel gear and the driven bevel gear.

Further, the side wall of the rotating disc is provided with mounting holes corresponding to the guide barrels, the guide barrels are inserted into the mounting holes and are in sliding fit with the mounting holes, and the diameter of the outward end of the guide barrels is smaller than that of the inward end of the guide barrels.

Further, an elastic connecting piece is arranged between the inward ends of the adjacent two guide cylinders and is connected through the elastic connecting piece.

Further, the cross section of the guide cylinder is elliptic, and the short axis of the elliptic is parallel to the axis of the stirring shaft.

Further, the coupling assembling includes link and fixed cover, fixed cover cup joints the lower extreme at the (mixing) shaft, the link is provided with two, two the link is used for the top surface of rolling disc and fixed cover to connect and the bottom surface of rolling disc and fixed cover is connected respectively.

Further, the length of the guide cylinder is greater than the radius length of the rotating disc.

Compared with the prior art, the invention has the following beneficial effects:

when the rotating disc rotates, the fluid materials in the guide cylinder are thrown outwards by utilizing centrifugal force, so that the fluid materials are in a circulating flow state, the mixing effect of the fluid materials is realized by flowing and impacting the mixing, the safety influence problem caused by large resistance of the traditional blade structure is avoided by improving the morphological structure of the stirring part, the continuity of stirring of the fluid materials is met, and the stirring effect of the fluid materials can be met.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is a top view of the stirring section;

fig. 4 is a front view of the stirring section;

FIG. 5 is a schematic cross-sectional view of the structure B-B of FIG. 4;

FIG. 6 is a schematic view of the structure of the guide cylinder in a retracted state;

the names of the components in the figure are as follows: 1. the box body mounting seat 2, the transmission box 3, the outer shaft 4, the rotating disc 5, the guide cylinder 6, the inner shaft 7, the connecting frame 8, the elastic connecting piece 9, the fixed sleeve 10, the driven bevel gear 11, the middle bevel gear 12, the driving bevel gear 13 and the connecting piece.

Detailed Description

The present invention is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Example 1

The embodiment the safe chemical raw material stirring device comprises a stirring shaft and a stirring part, wherein the stirring part comprises a rotating disc 4, the rotating disc 4 is of an annular hollow structure sleeved outside the lower end of the stirring shaft, one side of the rotating disc 4, which is close to the stirring shaft, is of an opening structure, a plurality of guide cylinders 5 which are radially arranged are uniformly arranged on the outer wall of the rotating disc 4, the guide cylinders 5 are communicated with the inside of the rotating disc 4, and the lower end of the stirring shaft is provided with a connecting assembly and is connected with the rotating disc 4 through the connecting assembly. The rotating disc 4 is connected with the stirring shaft through the connecting component, and rotates synchronously along with the stirring shaft, when the rotating disc 4 is immersed below the liquid level of the fluid material in use, the fluid material fills the rotating disc 4 and the guide cylinder 5, when the rotating disc 4 rotates along with the stirring shaft, the guide cylinder 5 arranged on the rotating disc 4 also rotates synchronously, the fluid material in the guide cylinder 5 is thrown outwards under the action of centrifugal force, a pressure difference is formed in the guide cylinder 5 under the action of the fluid material, the fluid material in the rotating disc 4 is continuously supplied into the guide cylinder 5 through the pressure difference and is continuously thrown outwards under the action of the centrifugal force, the material outside the rotating disc 4 continuously enters the rotating disc 4 from the centers of the annular top surface and the annular bottom surface to form a flow circulation, and forms flow convergence in the rotating disc 4, the flow dispersion is realized on the movement track at the outward end of the guide cylinder 5, so that the fluid material is mixed, the guide cylinder 5 is taken as a convex structure on the outer wall of the rotating disc 4, a certain mixing effect is also realized on the fluid material when the rotating disc 4 is in a ring-shaped structure, the high-shaped structure is suitable for the transverse mixing of the fluid material, the high-safety problem of the stirring device is solved, the high-safety mixing performance of the fluid material is reduced, and the mixing performance is suitable for the resin.

Example 2

This embodiment will be further explained the technique, the (mixing) shaft includes interior axle 6 and outer axle 3, interior axle 6 both ends all stretch out outside the outer axle 3, two stirring portion is provided with two, stirring portion is all installed to the lower extreme of interior axle 6 and outer axle 3, drive bevel gear 12 is installed to the upper end of interior axle 6, driven bevel gear 10 is installed to the upper end of outer axle 3, be provided with intermediate bevel gear 11 between drive bevel gear 12 and the driven bevel gear 10, intermediate bevel gear 11 meshes with drive bevel gear 12 and driven bevel gear 10. The middle bevel gear 11, the driving bevel gear 12 and the driven bevel gear 10 form a transmission structure of the inner shaft 6 and the outer shaft 3, a transmission case 2 can be arranged outside the transmission structure to serve as a mounting base of the driven bevel gear 10 and an integral cladding structure, and a case body mounting seat 1 can be arranged on the transmission case 2 to serve as a connecting mounting base with a speed reducer and the like; the inner shaft 6 is connected with a driving shaft serving as power input through a speed reducer, and when the inner shaft 6 rotates, the driving bevel gear 12 is driven to rotate, and then the driven bevel gear 10 is driven through the middle bevel gear 11, and finally the outer shaft 3 is driven, so that the outer shaft 3 and the inner shaft 6 synchronously rotate in the opposite directions, and further the two stirring parts are driven to synchronously rotate in the opposite directions, and the stirring and mixing effects of fluid materials are further improved.

Example 3

In this embodiment, the technology will be further described, the sidewall of the rotating disc 4 is provided with mounting holes corresponding to the plurality of guide barrels 5, the guide barrels 5 are inserted into the mounting holes, the guide barrels 5 are slidably matched with the mounting holes, and the diameter of the outward end of the guide barrels 5 is smaller than that of the inward end. Since the fluid material has the largest rotation resistance to the stirring part at the initial stage of stirring, the guide cylinder 5 can be adjusted to be arranged in the rotating disc 4 of Kong Suru or the length of the guide cylinder exposed out of the rotating disc 4 can be reduced at the initial state, and the instantaneous resistance to the fluid material in the static state can be reduced at the starting time, so that the safety risk of damage caused by the large instantaneous resistance to the stirring part at the initial stage of starting is reduced.

Example 4

The technology of this embodiment will be further described, and an elastic connecting member 8 is disposed between the inward ends of the adjacent two guide barrels 5, and is connected by the elastic connecting member 8. The elastic connecting piece 8 can be made of elastic pull ropes or springs, a columnar or annular structure can be arranged on the guide cylinder 5 to serve as a connecting piece 13 connected with the elastic connecting piece 8, the guide cylinders 5 form an annular shape under the serial connection of the elastic connecting piece 8, the guide cylinders 5 are synchronously pulled inwards through the elastic contraction of the elastic connecting pieces 8 in a static state, the guide cylinders 5 move outwards against the elastic force of the elastic connecting piece 8 under the action of centrifugal force in a rotating state, the guide cylinders 5 can be ensured to have lower extension length after being started, and the guide cylinders 5 can be extended through the extension length after being rotated, so that the material mixing effect is enhanced to a certain extent.

Example 5

The technology will be further described in this embodiment, and the cross section of the guide cylinder 5 is an ellipse with its short axis parallel to the axis of the stirring shaft. The area of the collision impact surface with the flowing material is reduced during rotation, so that the impact resistance is reduced.

Example 6

This embodiment will be further explained the technique, coupling assembling includes link 7 and fixed cover 9, fixed cover 9 is fixed to be cup jointed in the lower extreme of (mixing) shaft, link 7 is provided with two, two link 7 are used for the top surface of rolling disc 4 and fixed cover 9 to be connected and rolling disc 4 and fixed cover 9's bottom surface is connected respectively. The connecting frame 7 is formed by an annular structure in the middle and a plurality of connecting plates which are radially arranged with the annular structure into a whole, the end parts of the connecting plates are fixed with the rotating disc 4 through bolts, the annular structure is fixed with the fixed sleeve 9 through bolts, and a flow passage for fluid materials to flow through is formed among the plurality of connecting plates.

Example 7

This embodiment further illustrates the technology, and the length of the guide cylinder 5 is greater than the radius length of the rotating disc 4. The outward end of the guide cylinder 5 is always exposed out of the rotating disc 4, so that the guide cylinder 5 is prevented from being fully retracted into the rotating disc 4 to be deflected and abutted against the side wall of the guide cylinder 5, and the guide cylinder cannot extend along with the rotating disc 4.

Claims

1. The utility model provides a safe industrial chemicals agitating unit, includes (mixing) shaft and stirring portion, its characterized in that: the stirring part comprises a rotating disc (4), the rotating disc (4) is of an annular hollow structure sleeved outside the lower end of the stirring shaft, one side of the rotating disc (4) close to the stirring shaft is of an opening structure, a plurality of guide cylinders (5) which are radially arranged are uniformly arranged on the outer wall of the rotating disc (4), the guide cylinders (5) are communicated with the inside of the rotating disc (4), and the lower end of the stirring shaft is provided with a connecting assembly and is connected with the rotating disc (4) through the connecting assembly;

the side wall of the rotating disc (4) is provided with mounting holes corresponding to a plurality of guide barrels (5), the guide barrels (5) are inserted into the mounting holes, the guide barrels (5) are in sliding fit with the mounting holes, and the diameter of the outward end of each guide barrel (5) is smaller than that of the inward end;

an elastic connecting piece (8) is arranged between the inward ends of the adjacent two guide cylinders (5), and is connected through the elastic connecting piece (8); the guide barrels (5) form a ring shape under the serial connection of the elastic connecting pieces (8), the guide barrels (5) are synchronously pulled inwards through the elastic contraction of the elastic connecting pieces (8) in a static state, and the guide barrels (5) overcome the elastic force of the elastic connecting pieces (8) to move outwards under the action of centrifugal force in a rotating state;

the cross section of the guide cylinder (5) is elliptic, and the short axis of the elliptic is parallel to the axis of the stirring shaft.

2. The safe chemical raw material stirring device according to claim 1, wherein: the stirring shaft comprises an inner shaft (6) and an outer shaft (3), wherein two ends of the inner shaft (6) are extended out of the outer shaft (3), two stirring parts are arranged, stirring parts are arranged at the lower ends of the inner shaft (6) and the outer shaft (3), a driving bevel gear (12) is arranged at the upper end of the inner shaft (6), a driven bevel gear (10) is arranged at the upper end of the outer shaft (3), an intermediate bevel gear (11) is arranged between the driving bevel gear (12) and the driven bevel gear (10), and the intermediate bevel gear (11) is meshed with the driving bevel gear (12) and the driven bevel gear (10).

3. The safe chemical raw material stirring device according to claim 1, wherein: the connecting assembly comprises a connecting frame (7) and a fixing sleeve (9), the fixing sleeve (9) is fixedly sleeved at the lower end of the stirring shaft, the two connecting frames (7) are arranged, the two connecting frames (7) are respectively used for connecting the top surfaces of the rotating disc (4) and the fixing sleeve (9) and connecting the bottom surfaces of the rotating disc (4) and the fixing sleeve (9).

4. The safe chemical raw material stirring device according to claim 1, wherein: the length of the guide cylinder (5) is larger than the radius length of the rotating disc (4).