CN210252277U

CN210252277U - Acrylic resin production stirred tank

Info

Publication number: CN210252277U
Application number: CN201921000336.2U
Authority: CN
Inventors: 黄俊达; 刘贤祥; 李俊贤
Original assignee: Kunshan Sumei New Material Technology Co ltd
Current assignee: Kunshan Sumei New Material Technology Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-07
Anticipated expiration: 2029-06-28

Abstract

In order to solve the technical problem that acrylic resin is adhered to the inner wall of a kettle body to influence heat conduction in the prior art, the utility model provides an acrylic resin production stirring kettle, which comprises a kettle body and a stirring system consisting of a stirring rod, a stirring motor and a stirring paddle, wherein the top of the kettle body is also provided with a speed reduction motor; the part of the bearing bush in the kettle is fixedly provided with two symmetrical horizontal supports, and the end part of each support is fixedly provided with a polytetrafluoroethylene scraper which is vertical and is attached to the interior of the kettle body. Stirring motor drive stirring rake mixes the stirring to the raw materials in the cauldron, and gear motor drives the scraper blade low-speed rotation through the engaged gear train and strikes off adnexed acryl resin on the stirred tank inner wall, makes steam coil's heat can evenly transmit everywhere in the cauldron, has improved acryl resin's performance.

Description

Acrylic resin production stirred tank

Technical Field

The utility model belongs to the technical field of acrylic resin production facility, mainly relate to acrylic resin production stirred tank.

Background

The excellent universality of the acrylic resin enables the acrylic resin to be rapidly developed into a second-order resin with the yield second to that of alkyd resin paint, wherein the water-based acrylic resin paint is pollution-free paint with the fastest development and most varieties in water-based paint, and the acrylic emulsion is mainly used as a base material of emulsion paint, plays an important role in the building paint market and is continuously expanded at present; in addition, in recent years, people pay more attention to the development and application of the acrylic resin aqueous dispersion, and the application of the acrylic resin aqueous dispersion in the fields of industrial coatings and civil coatings is continuously expanded.

The production process flow of the acrylic resin is as follows: the xylene, butyl acetate and solvent are firstly put into reaction and stirring, then acrylic monomer, acrylic acid, butyl acrylate, styrene, methyl methacrylate and the like are dripped at a certain speed, and the mixture is filtered and packaged after heat preservation and curing. The stirring system selected in the reaction stirring kettle is generally combined by an anchor frame type and a straight-line pulp, and the acrylic resin has high viscosity, so that the acrylic resin cannot be peeled from the kettle wall by conventional dispersion, the heat of the steam coil cannot be further transferred to the materials in the kettle, and the temperature difference in the kettle is large, so that the performance of the acrylic resin is directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a stirring kettle which can timely scrape off acrylic resin attached to the inner wall of the stirring kettle.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the stirring kettle for producing the acrylic resin comprises a kettle body and a stirring system consisting of a stirring rod, a stirring motor and a stirring paddle, wherein the stirring motor is arranged at the top of the kettle body, and an output shaft is connected with the stirring rod in the kettle; the top of the kettle body is also provided with a speed reducing motor, a bearing bush extending into the kettle body is sleeved outside the stirring rod, and the bearing bush is connected with an output shaft of the speed reducing motor through a meshed gear set; two symmetrical horizontal supports are fixedly arranged at the part of the bearing bush in the kettle, and a polytetrafluoroethylene scraper which is vertical to and attached to the interior of the kettle body is fixedly arranged at the end part of each support; and a self-lubricating sealing ring is installed at the bottom end of the bearing bush, and the stirring rod penetrates through the sealing ring.

According to the utility model discloses foretell acrylic resin production stirred tank can also have following additional technical characterstic:

furthermore, the surface of the scraper is provided with a plurality of inclined guide grooves.

Furthermore, an inclined pulling plate is arranged between the support and the scraper blade to increase the installation strength of the scraper blade.

Furthermore, a horizontal ring plate is arranged on the part, outside the kettle body, of the bearing bush, and a fixing piece is inserted into an insertion hole of the ring plate to realize self-locking of the bearing bush.

Further, a motor mounting seat is arranged at the top of the kettle body, a pneumatic contact pin is arranged in the motor mounting seat, and the pneumatic contact pin stretches out and is inserted into a jack of the ring plate to realize self-locking of the bearing bush.

Wherein, the ring plate is evenly provided with a circle of the jacks.

Further, the pneumatic contact pin comprises an air cylinder, a base, a contact pin and a spring, the air cylinder is fixed in the motor mounting seat, the base is fixed on a telescopic rod at the bottom of the air cylinder, the top of the contact pin is inserted into the base, and the spring is elastically connected with the base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. stirring motor drive stirring rake mixes the stirring to the raw materials in the cauldron, and gear motor drives the scraper blade low-speed rotation through the engaged gear train and strikes off adnexed acryl resin on the stirred tank inner wall, makes steam coil's heat can evenly transmit everywhere in the cauldron, has improved acryl resin's performance.

2. Acrylic resin stripped from the kettle wall can move to the middle part of the kettle body along the guide groove to participate in mixing, so that the uniformity of the temperature in the kettle body is ensured.

3. In a period of time when the stirring kettle starts to feed or under the condition that the scraper does not need to work, the pneumatic contact pin is inserted into the ring plate of the bearing bush to lock the bearing bush so as to prevent the scraper from rotating.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a front view of an acrylic resin production stirring tank disclosed in example one;

FIG. 2 is a view showing an installation structure of a bearing bush and a stirring rod disclosed in the first embodiment;

FIG. 3 is a schematic view of a squeegee disclosed in the first embodiment;

FIG. 4 is a schematic view of a portion of a stirred tank for acrylic resin production as disclosed in example II;

fig. 5 is a schematic view of the pneumatic pin disclosed in the second embodiment.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example one

The acrylic resin production stirring kettle shown in fig. 1 comprises a kettle body 10 and a stirring system consisting of a stirring rod 20, a stirring motor 30 and a stirring paddle 40, wherein the stirring motor 30 is arranged at the top of the kettle body 10, and an output shaft is connected with the stirring rod 20 in the kettle; the top of the kettle body 10 is also provided with a speed reducing motor 50, a bearing bush 60 extending into the kettle body 10 is sleeved outside the stirring rod 20, and the bearing bush 60 is connected with an output shaft of the speed reducing motor 50 through a meshed gear set 70; two symmetrical horizontal supports 80 are fixedly arranged on the part, in the kettle, of the bearing bush 60, and a polytetrafluoroethylene scraper 90 which is vertical to and attached to the interior of the kettle body 10 is fixedly arranged at the end part of each support 80. An inclined pulling plate 100 may be provided between the bracket 80 and the scraper 90 to increase the installation strength of the scraper 90. Stirring motor 30 drive stirring rake 40 mixes the stirring to the raw materials in the cauldron, and gear motor 50 drives scraper blade 90 low-speed rotation through meshed gear train 70 and strikes off adnexed acrylic resin on the stirred tank inner wall, makes steam coil's heat can evenly transmit everywhere in the cauldron, has improved acrylic resin's performance.

Referring to fig. 3, the surface of the scraper 90 is provided with a plurality of inclined guide grooves 91, and the acrylic resin peeled off from the wall of the kettle can move to the middle part of the kettle 10 along the guide grooves 91 to participate in mixing, so as to ensure the uniformity of the temperature in the kettle 10.

Referring to fig. 2, a self-lubricating seal ring 61 is installed at the bottom end of the bearing bushing 60, and the stirring rod 20 passes through the seal ring, thereby preventing the acrylic resin of the kettle body 10 from entering the bearing bushing 60.

Example two

The present embodiment is based on the first embodiment.

The gear motor 50 stops working within a period of time when the stirred tank starts to be charged or without the scraper 90 working. However, the scraper 90 may rotate by itself under the influence of the eddy current inside the kettle 10, which may cause the motor to be damaged, so in this embodiment, a horizontal ring plate 62 (see fig. 4) is disposed at the portion of the bearing bushing 60 outside the kettle 10, and a pneumatic pin 110 is disposed in the motor mounting seat 11 disposed at the top of the kettle 10, and the pneumatic pin 110 extends into the insertion hole of the ring plate 62 to achieve the self-locking of the bearing bushing 60.

Referring to fig. 5, the pneumatic pin 110 includes a cylinder 111, a base 112, a pin 113 and a spring 114, the cylinder 111 is fixed in the motor mounting seat, the base 112 is fixed on the telescopic rod at the bottom of the cylinder 111, and the top of the pin is inserted in the base 112 and elastically connected with the base 112 through the spring.

A circle of jacks are uniformly distributed on the ring plate 62, and the self-locking of the bearing bush 60 can be realized when the pneumatic pins 110 are inserted into any jack.

The above-mentioned embodiments only express one implementation mode of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The acrylic resin production stirring kettle comprises a kettle body (10) and a stirring system consisting of a stirring rod (20), a stirring motor (30) and a stirring paddle (40), wherein the stirring motor (30) is arranged at the top of the kettle body (10), and an output shaft is connected with the stirring rod (20) positioned in the kettle, and the acrylic resin production stirring kettle is characterized in that the top of the kettle body (10) is also provided with a speed reducing motor (50), a bearing bush (60) extending into the kettle body (10) is sleeved outside the stirring rod (20), and the bearing bush (60) is connected with the output shaft of the speed reducing motor (50) through a meshed gear set (70); two symmetrical horizontal supports (80) are fixedly arranged at the part of the bearing bush (60) in the kettle, and a polytetrafluoroethylene scraper (90) which is vertical and is attached to the interior of the kettle body (10) is fixedly arranged at the end part of each support (80); and a self-lubricating sealing ring (61) is installed at the bottom end of the bearing bush (60), and the stirring rod (20) penetrates through the sealing ring.

2. The acrylic resin production agitation tank of claim 1, wherein the surface of said scraper (90) is provided with a plurality of inclined guide grooves (91).

3. The acrylic resin production stirred tank of claim 1, characterized in that an inclined pulling plate (100) is arranged between the bracket (80) and the scraper (90).

4. The acrylic resin production stirring kettle according to claim 1, wherein the part of the bearing bush (60) outside the kettle body (10) is provided with a horizontal ring plate (62), and a fixing piece is inserted into a jack of the ring plate (62) to realize self-locking of the bearing bush (60).

5. The acrylic resin production stirring kettle according to claim 4, wherein a motor mounting seat is arranged at the top of the kettle body (10), a pneumatic pin (110) is arranged in the motor mounting seat, and the pneumatic pin (110) extends out and is inserted into the insertion hole of the ring plate (62) to realize self-locking of the bearing bush (60).

6. The acrylic resin production stirred tank of claim 5, wherein a ring of said insertion holes are uniformly distributed on said ring plate (62).

7. The acrylic resin production stirring tank as recited in claim 5, wherein the pneumatic pin (110) comprises a cylinder (111), a base (112), a pin (113) and a spring (114), the cylinder (111) is fixed in the motor mounting seat, the base (112) is fixed on a telescopic rod at the bottom of the cylinder (111), the top of the pin is inserted in the base (112), and the spring is elastically connected with the base (112).