CN211837500U - A kind of stirring device for preparation of ethyl p-toluate - Google Patents

Abstract

The utility model discloses an agitating unit is used in preparation of ethyl methyl benzoate, including barrel, lid and stirring rake, the central point of barrel bottom puts the department and welds there is the discharge gate, the top of barrel is provided with the lid, and the marginal position department of lid equiangular ann has inserted the bolt, the central point department of putting on lid top is fixed with the positioning seat, and the internally mounted of positioning seat has double-row ball bearing, the inside of barrel is provided with the stirring rake, and the top of stirring rake passes lid, double-row ball bearing and cover in proper order and is equipped with driven gear, main feed inlet, gear motor are installed respectively to the left and right sides on lid top, and gear motor's output passes through the shaft coupling and installs the pivot. This agitating unit is used in ethyl methyl benzoate preparation has not only realized comprehensive stirring, centrifugation play liquid, homogeneous mixing to improved the stirring effect among the preparation facilities, improved agitating unit's assembly efficiency moreover.

Description

A kind of stirring device for preparation of ethyl p-toluate

technical field

The utility model relates to the technical field of chemical stirring devices, in particular to a stirring device for preparing ethyl p-toluate.

Background technique

Ethyl p-toluate is mainly used as an intermediate in organic synthesis. It is generally prepared by processes such as fermentation, separation and rectification. During this process, the reactants need to be stirred several times.

But the existing stirring device for the preparation of ethyl p-toluate still has certain problems, and the specific problems have the following points:

1. Conventional stirring mechanisms often have working dead ends, and it is difficult to ensure full mixing between materials, especially because of the limited stirring range, which makes the contact and reaction between materials insufficient;

2. For the stirring device in this design, it is necessary to solve the problem of interference between the pipeline and the stirring paddle, and it is necessary to facilitate the disassembly, assembly and cleaning of the device as a whole.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a stirring device for the preparation of ethyl p-toluate, which has the advantages of good stirring effect and convenient assembly, so as to solve the problems raised in the above-mentioned background technology.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: a stirring device for the preparation of ethyl p-toluate, comprising a cylinder body, a cover body and a stirring paddle, and an outlet is welded at the center position of the bottom of the cylinder body. The top of the cylinder body is provided with a cover body, and bolts are installed at equal angles at the edge positions of the cover body, and the bottoms of the bolts are all threadedly connected to the cylinder body, and the center position of the top of the cover body is fixed with a positioning A double-row ball bearing is installed inside the positioning seat, a stirring paddle is arranged inside the cylinder, and the top of the stirring paddle passes through the cover body, the double-row ball bearing in sequence, and is sheathed with a driven gear, and the cover The left and right sides of the top of the body are respectively equipped with a main feed port and a reduction motor, and the output end of the reduction motor is installed with a rotating shaft through a coupling, and the left end of the rotating shaft is sleeved with a driving gear.

Preferably, an annular oblique groove is formed on the inner side wall of the top of the cylinder, while the cover body is in the shape of a truncated cone, and the bottom of the cover body and the annular oblique groove are nested with each other to form a limiting structure.

Preferably, the driven gear and the driving gear are both bevel gears and mesh with each other.

Preferably, a rotary joint is installed on the top of the stirring paddle, and a liquid inlet pipe is installed on the top of the rotary joint.

Preferably, the stirring paddle has an anchor-like structure, and the stirring paddle rotates in a counterclockwise direction.

Preferably, the inside of the stirring paddle is provided with a hollow flow channel, and the left rear side wall and the right front side wall of the bottom of the stirring paddle are equally spaced with diversion holes, and one end of the diversion holes is mutually connected with the hollow flow channel. Connected.

(3) Beneficial effects

Compared with the prior art, the utility model provides a stirring device for the preparation of ethyl p-toluate, which has the following beneficial effects:

1. The stirring device for the preparation of ethyl p-toluate, through the mutual meshing between the driven gear and the driving gear, cooperates with the double-row ball bearing in the positioning seat, so that the stirring paddle rotates stably, because the stirring paddle is an anchor. It rotates in a counterclockwise direction for full-scale stirring. By setting a hollow flow channel in the stirring paddle, and the left rear side wall and the right front side wall at the bottom of the stirring paddle are equally spaced with diversion holes for centrifugation. The liquid is discharged and mixed evenly, thereby improving the stirring effect in the preparation device;

2. The stirring device for the preparation of ethyl p-toluate uses the rotary joint to make the liquid inlet pipe and the stirring paddle rotate and communicate to avoid mutual interference. Because the cover body of the truncated truncated structure is nested with the annular chute, it is used to assist It is fixed and connected by equal-angle bolts, which is convenient for disassembly and assembly, thereby improving the assembly efficiency of the stirring device.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

FIG. 2 is a schematic diagram of the cross-sectional structure of the stirring paddle of the present utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 of the present utility model.

In the figure: 1. Cylinder body; 2. Cover body; 3. Main feed port; 4. Driven gear; 5. Rotary joint; 6. Liquid inlet pipe; 7. Driving gear; 8. Rotating shaft; 9. Geared motor ; 10, bolt; 11, annular chute; 12, stirring paddle; 13, guide hole; 14, discharge port; 15, hollow flow channel; 16, double row ball bearing; 17, positioning seat.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-3, the present utility model provides a technical solution: a stirring device for the preparation of ethyl p-toluate, comprising a cylinder body 1, a cover body 2 and a stirring paddle 12, the center position of the bottom of the cylinder body 1 is There is a discharge port 14 welded at the place, the top of the cylinder body 1 is provided with a cover body 2, and the edge position of the cover body 2 is equidistantly installed with bolts 10, and the bottom of the bolts 10 are all screwed with the cylinder body 1, and the cover body 2. A positioning seat 17 is fixed at the center of the top end, and a double row ball bearing 16 is installed inside the positioning seat 17. A stirring paddle 12 is arranged inside the cylinder body 1, and the top of the stirring paddle 12 passes through the cover body 2, The double-row ball bearing 16 is fitted with a driven gear 4, and the left and right sides of the top of the cover body 2 are respectively installed with a main feed port 3 and a deceleration motor 9. The type of the deceleration motor 9 can be YCH28-400-50-BC, And the output end of the reduction motor 9 is installed with a rotating shaft 8 through a coupling, and the left end of the rotating shaft 8 is sleeved with a driving gear 7 .

As shown in FIG. 1, an annular inclined groove 11 is formed on the inner side wall of the top end of the cylinder body 1. At the same time, the cover body 2 has a truncated cone-shaped structure. Auxiliary limit.

As shown in FIG. 1 , the driven gear 4 and the driving gear 7 are both bevel gears and mesh with each other for stable transmission.

As shown in FIG. 1 , a rotary joint 5 is installed on the top of the stirring paddle 12 , and a liquid inlet pipe 6 is installed on the top of the rotary joint 5 to avoid mutual interference.

As shown in FIG. 1 and FIG. 2 , the stirring paddle 12 has an anchor-like structure, and the stirring paddle 12 rotates in a counterclockwise direction for full-scale stirring.

As shown in FIG. 1 and FIG. 2 , a hollow flow channel 15 is provided inside the stirring paddle 12 , and the left rear side wall and the right front side wall of the bottom of the stirring paddle 12 are provided with guide holes 13 at equal intervals, and the guide holes 13 are provided with guide holes 13 at equal intervals. One end is connected with the hollow flow channel 15 for centrifugation and uniform mixing.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

Working principle: when in use, as shown in Figure 1, firstly, the main raw material for preparing ethyl p-toluate is put into the cylinder 1 through the main feed port 3, and then the liquid inlet pipe is made through the rotary joint 5. 6. The stirring paddles 12 are communicated with each other, and then the deceleration motor 9 is started to drive the driving gear 7 to rotate at a constant speed through the rotating shaft 8. It is shown that the double row ball bearing 16 in the positioning seat 17 is matched to make the stirring paddle 12 rotate stably, so that the stirring paddle 12 of the anchor-like structure rotates synchronously in the cylinder 1 and fully stirs. At the same time, according to FIG. 1 As shown in Figure 2, other auxiliary solvents are injected into the hollow flow channel 15 through the liquid inlet pipe 6 and the rotary joint 5. Because the stirring paddle 12 rotates in the counterclockwise direction, and the left rear side wall and the right front side of the stirring paddle 12 bottom Guide holes 13 are provided on the walls at equal intervals, so that the auxiliary solvent is evenly sprinkled through each guide hole 13 during high-speed rotation, and is fully mixed with the main raw material;

In this process, as shown in FIG. 1 and FIG. 2 , since the liquid inlet pipe 6 is in rotational communication with the stirring paddle 12 through the rotary joint 5, mutual interference can be avoided. Inject clean water into the liquid inlet pipe 6, and then repeat the above process, or screw the bolt 10 to remove the cover 2 as a whole, so as to clean all the internal parts, and then reconnect the cover 2 with the circular truncated structure to the ring. The inclined grooves 11 are nested with each other, and then the bolts 10 are tightened, and finally all the work of the stirring device for the preparation of ethyl p-toluate is completed.

To sum up, the stirring device for the preparation of ethyl p-toluate not only realizes comprehensive stirring, centrifugation, and uniform mixing, thereby improving the stirring effect in the preparation device, and improving the assembly efficiency of the stirring device.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A stirring device for preparing ethyl p-toluate, comprising a cylindrical body (1), a cover body (2) and a stirring paddle (12), characterized in that: the center position of the bottom of the cylindrical body (1) A discharge port (14) is inlaid and welded at the top of the cylinder body (1), a cover body (2) is provided at the top of the cylinder body (1), and bolts (10) are installed at equal angles at the edge positions of the cover body (2), and the bolts ( The bottom of 10) is all threadedly connected with the cylinder body (1), a positioning seat (17) is fixed at the central position of the top of the cover body (2), and a double row ball bearing (16) is installed inside the positioning seat (17). ), a stirring paddle (12) is arranged inside the cylinder (1), and the top of the stirring paddle (12) passes through the cover body (2), the double-row ball bearing (16) in sequence, and is fitted with a driven gear ( 4), the left and right sides of the top of the cover body (2) are respectively installed with the main feed port (3) and the deceleration motor (9), and the output end of the deceleration motor (9) is installed with a rotating shaft (8) through a coupling. ), and the left end of the rotating shaft (8) is fitted with a driving gear (7). 2. A stirring device for preparing ethyl p-toluate according to claim 1, characterized in that: an annular inclined groove (11) is provided on the inner side wall of the top of the cylinder (1), and a cover is provided at the same time. The body (2) has a circular truncated structure, and the bottom of the cover body (2) and the annular oblique groove (11) are nested with each other to form a limiting structure. 3 . The stirring device for preparing ethyl p-toluate according to claim 1 , wherein the driven gear ( 4 ) and the driving gear ( 7 ) are both conical gears and mesh with each other. 4 . 4. The stirring device for preparing ethyl p-toluate according to claim 1, characterized in that: a rotary joint (5) is installed on the top of the stirring paddle (12), and the rotary joint (5) A liquid inlet pipe (6) is installed at the top of the . 5 . The stirring device for preparing ethyl p-toluate according to claim 1 , wherein the stirring paddle ( 12 ) has an anchor-like structure, and the stirring paddle ( 12 ) is in a counterclockwise direction. 6 . rotate. 6. The stirring device for preparing ethyl p-toluate according to claim 1, wherein the stirring paddle (12) is provided with a hollow channel (15) inside, and the stirring paddle (12) is provided with a hollow channel (15). ) bottom left rear side wall and right front side wall are equally spaced with guide holes (13), and one end of the guide holes (13) are all communicated with the hollow flow channel (15).

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