CN210544903U

CN210544903U - Polytetrafluoroethylene emulsion stirring device

Info

Publication number: CN210544903U
Application number: CN201921268089.4U
Authority: CN
Inventors: 李宝生
Original assignee: Nantong Saibo Pharmaceutical Equipment Technology Co Ltd
Current assignee: Nantong Saibo Pharmaceutical Equipment Technology Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-19
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a polytetrafluoroethylene processing equipment technical field, concretely relates to polytetrafluoroethylene emulsion agitating unit includes agitator tank, cover, agitator motor, (mixing) shaft, cover, solid fixed ring, stirring rake, go-between, cantilever, scraper blade. The utility model has the advantages that: set to two sets of stirring rakes of upper and lower opposition, the efficiency of stirring has been improved to at least a certain extent, still be equipped with the scraper blade in addition, remain through the polytetrafluoroethylene emulsion on the scraper blade to the agitator tank inner wall and strike off, polytetrafluoroethylene emulsion produces the decline after avoiding stirring to a certain extent on the one hand, on the other hand prevents that the emulsion from adhering to the agitator tank inner wall and causing the solidification, it is inconvenient to make the agitator tank epilogue wash, set up the slip post in addition, the fixture block, the pressure spring, support the top to the fixture block through the pressure spring, make slip post drive scraper blade support tight agitator tank inner wall, make the scraper blade when striking off the operation, the buffering has to a certain extent, reduce.

Description

Polytetrafluoroethylene emulsion stirring device

Technical Field

The utility model relates to a polytetrafluoroethylene processing equipment technical field, concretely relates to polytetrafluoroethylene emulsion agitating unit.

Background

The polytetrafluoroethylene emulsion is an aqueous dispersion obtained by concentrating a dispersion obtained by polymerizing tetrafluoroethylene until the solid content of the polytetrafluoroethylene is about 60 percent and stabilizing the dispersion by using a nonionic surfactant, has outstanding heat resistance, cold resistance and abrasion resistance, has excellent electrical insulation property, is not influenced by temperature and frequency, and can be directly used for impregnating porous materials such as asbestos products, glass fibers, ceramics and electrical carbon, spinning products and the like.

When the polytetrafluoroethylene emulsion is polymerized, stirring is needed, and the stirring efficiency of the currently used stirring equipment is low because only one group of stirring paddles is generally arranged on the currently used stirring equipment. In addition, after the stirring operation is finished, polytetrafluoroethylene emulsion is easy to remain on the inner wall of the stirring tank, and if the polytetrafluoroethylene emulsion is not removed, on one hand, the yield of the polytetrafluoroethylene emulsion after stirring is caused to have certain reduction influence, and on the other hand, the emulsion is not removed for a long time, and is easy to solidify, so that adhesion is caused, and inconvenience is caused for cleaning a subsequent stirring tank.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a polytetrafluoroethylene emulsion agitating unit, it can realize improving stirring efficiency to a certain extent, sets up the scraper blade simultaneously, can strike off the polytetrafluoroethylene emulsion that remains on the agitator tank inner wall, increase of production.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a polytetrafluoroethylene emulsion stirring device comprises a stirring tank with supporting legs and a tank cover arranged at an opening at the top of the stirring tank, the tank cover is provided with a stirring motor, the stirring motor is connected with a stirring shaft in a driving way, the stirring shaft vertically penetrates through and is rotationally connected with the tank cover, the lower end of the stirring shaft extends into the stirring tank, two fixing rings which are sleeved on the stirring shaft in a vertically opposite way are arranged in the stirring tank, a plurality of stirring paddles are arranged on the fixing ring along the axial direction of the fixing ring in an array manner, two connecting rings are sleeved on the stirring shaft and are positioned in the stirring tank, the circumferential surface of the stirring shaft is provided with at least two cantilevers in an axial array, the two corresponding cantilevers on the connecting rings are jointly and vertically connected with a scraping plate at one end far away from the stirring shaft, and the scraping plate is back to one side wall of the stirring shaft and is contacted with the inner wall of the stirring tank.

Furthermore, a sliding column is coaxially and slidably arranged on the cantilever in a penetrating manner, a clamping block is arranged at one end of the sliding column penetrating into the cantilever, a sliding groove for clamping the clamping block and horizontally and freely sliding is formed in the corresponding cantilever, the scraper is connected to one end, far away from the cantilever, of the two corresponding sliding columns, and an elastic part which abuts against the clamping block and drives the clamping block to far away from the stirring shaft is arranged in the sliding groove.

Furthermore, the elastic part is a pressure spring, and two ends of the pressure spring in the elastic direction are respectively welded with the fixture block and the inner wall of the sliding groove.

Further, the flight screw is attached to the slide post.

Further, the upper end of the stirring tank is provided with a feeding hole, and the bottom of the stirring tank is provided with a discharging hole.

Furthermore, water valves are respectively arranged on the feeding hole and the discharging hole.

Further, a ventilation opening in a through hole form is vertically formed in the tank cover and communicated with the interior of the stirring tank.

The utility model has the advantages that: two groups of stirring paddles which are arranged to be opposite up and down improve the stirring efficiency at least to a certain extent, and in addition, the stirring device is also provided with a scraping plate, the scraper is used for scraping the residual polytetrafluoroethylene emulsion on the inner wall of the stirring tank, so that the polytetrafluoroethylene emulsion is prevented from falling after stirring to a certain extent, and the emulsion is prevented from adhering to the inner wall of the stirring tank to cause solidification, so that the subsequent cleaning of the stirring tank is inconvenient, in addition, a sliding column, a clamping block and a pressure spring are arranged, the clamping block is propped against by the pressure spring, so that the sliding column drives the scraper to prop against the inner wall of the stirring tank, on one hand, when the scraper is in scraping operation, on the other hand, if the scraper is worn after long-term use, the scraping plate can automatically compensate the abrasion loss and always keep a close-fitting state with the inner wall of the stirring tank by abutting the clamping block through the pressure spring, and the service life of the scraping plate is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the three-dimensional structure of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;

the reference numerals are explained below:

1-stirring tank, 2-tank cover, 3-stirring motor, 4-stirring shaft, 5-fixing ring, 6-stirring paddle, 7-connecting ring, 8-cantilever, 9-scraper, 10-sliding column, 11-clamping block, 12-chute, 13-pressure spring, 14-feeding port, 15-discharging port and 16-ventilation port.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

A polytetrafluoroethylene emulsion stirring device as shown in fig. 1-3, comprising a stirring tank 1 with supporting legs and a tank cover 2 arranged at the top opening of the stirring tank 1, wherein the upper end of the stirring tank 1 is provided with a feed inlet 14 for feeding polytetrafluoroethylene emulsion into the stirring tank 1, the bottom of the stirring tank is provided with a discharge outlet 15 for discharging polytetrafluoroethylene emulsion to an external device after stirring is completed, the feed inlet 14 and the discharge outlet 15 are respectively provided with a water valve, the tank cover 2 is also provided with a stirring motor 3, the stirring motor 3 is connected with a stirring shaft 4 in a driving manner, the stirring shaft 4 vertically penetrates and is rotatably connected to the tank cover 2 through a mounting bearing, the lower end of the stirring shaft extends into the stirring tank 1, two fixing rings 5 which are sleeved on the stirring shaft 4 in an up-and-down opposite manner are arranged in the stirring tank 1, the fixing rings 5 are provided with a plurality of stirring paddles 6 along the axial array thereof, the stirring shaft 4 is further sleeved with two connecting rings 7, the connecting rings 7 are located in the stirring tank 1, at least two cantilevers 8 are arranged on the circumferential surface of each connecting ring 7 along the axial array of the connecting ring, a scraper 9 is vertically connected to one end, far away from the stirring shaft 4, of each corresponding cantilever 8 on the two connecting rings 7 together, the scraper 9 is in contact with the inner wall of the stirring tank 1 opposite to one side wall of the stirring shaft 4, in addition, in order to stir, bubbles generated in polytetrafluoroethylene emulsion can escape, a through hole type ventilation port 16 communicated with the inside of the stirring tank 1 is vertically arranged on the tank cover 2, the bubbles generated in polytetrafluoroethylene can escape through the ventilation port 16 to reduce the air pressure inside the stirring tank 1, furthermore, a sliding column 10 is coaxially arranged on each cantilever 8 in a sliding mode, a clamping block 11 is arranged at one end, through which the sliding column 10 penetrates into each cantilever 8, and a clamping block 11 is correspondingly arranged on each cantilever 8, And the sliding chute 12 slides freely horizontally, the scraper 9 is connected with one end of each of the two corresponding sliding columns 10 far away from the cantilever 8 through screws, a pressure spring 13 which abuts against the fixture block 11 and drives the fixture block 11 to be far away from the stirring shaft 4 is arranged in the sliding chute 12, and two ends of the pressure spring 13 in the elastic direction are respectively welded with the inner walls of the fixture block 11 and the sliding chute 12.

The utility model discloses when using: during operation, firstly, polytetrafluoroethylene emulsion is introduced into the stirring tank from the feeding port through an external device, then a water valve on the feeding port is closed, an external power supply is connected, a stirring motor is started, the stirring motor rotates to drive the stirring shaft to rotate, the stirring paddle and the scraper plate rotate to stir the emulsion in the stirring tank, during the stirring process, the pressing spring is propped against the lower part, the driving fixture block slides in the sliding groove, the scraper plate is tightly attached to the inner wall of the stirring tank, the scraping operation is continuously carried out on the inner wall of the stirring tank, the emulsion is prevented from being bonded, similarly, after the stirring is finished, the scraping operation needs to be carried out on the inner wall of the stirring tank through the scraper plate, so that the residue of the emulsion is reduced, the elasticity of the pressing spring needs to be larger than the viscosity of the emulsion, the flowing of the emulsion is basically not to cause larger influence on the elasticity of, and after the stirring is finished, opening a water valve of the discharge port, and collecting the emulsion of the discharge port into an external collecting device through an external device.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The polytetrafluoroethylene emulsion stirring device is characterized by comprising a stirring tank (1) with supporting legs and a tank cover (2) arranged at the opening of the top of the stirring tank (1), wherein a stirring motor (3) is installed on the tank cover (2), a stirring shaft (4) is connected to the stirring motor (3) in a driving manner, the stirring shaft (4) vertically penetrates through and is connected to the tank cover (2) in a rotating manner, the lower end of the stirring shaft extends into the stirring tank (1), two fixing rings (5) which are sleeved on the stirring shaft (4) in an up-down opposite manner are arranged in the stirring tank (1), a plurality of stirring paddles (6) are arranged on the fixing rings (5) along the axial array of the fixing rings, two connecting rings (7) are further sleeved on the stirring shaft (4), the connecting rings (7) are positioned in the stirring tank (1), and at least two cantilevers (8) are arranged on the periphery of the stirring tank along the, two corresponding two cantilevers (8) on the go-between (7) are served and are being kept away from (mixing) shaft (4) one and be connected with a scraper blade (9) jointly vertically, scraper blade (9) are back to (mixing) shaft (4) a lateral wall and agitator tank (1) inner wall contact.

2. A polytetrafluoroethylene emulsion stirring apparatus according to claim 1, wherein a sliding column (10) is coaxially and slidably disposed on the cantilever (8), a clamping block (11) is disposed at one end of the sliding column (10) penetrating into the cantilever (8), a sliding slot (12) for clamping the clamping block (11) and horizontally and freely sliding is disposed on the corresponding cantilever (8), the scraper (9) is connected to one end of the two corresponding sliding columns (10) far away from the cantilever (8), and an elastic member abutting against the clamping block (11) and driving the clamping block (11) far away from the stirring shaft (4) is disposed in the sliding slot (12).

3. A polytetrafluoroethylene emulsion stirring device according to claim 2, wherein said elastic member is a compression spring (13), and both ends of said compression spring (13) in the elastic direction are respectively welded to the inner walls of said fixture block (11) and said sliding groove (12).

4. A polytetrafluoroethylene emulsion stirring device according to claim 2, wherein said scraper (9) is screwed to said sliding column (10).

5. A polytetrafluoroethylene emulsion stirring device according to claim 1, wherein said stirring tank (1) is provided with a feed inlet (14) at its upper end and a discharge outlet (15) at its bottom.

6. A polytetrafluoroethylene emulsion stirring device according to claim 5, wherein said inlet (14) and outlet (15) are respectively provided with a water valve.

7. A ptfe emulsion stirring device as defined in claim 1, wherein said tank cover (2) is vertically provided with a vent (16) in the form of a through hole communicating with the inside of the stirring tank (1).