CN217257828U

CN217257828U - Mixing apparatus is used in polyurethane foam production

Info

Publication number: CN217257828U
Application number: CN202220346024.2U
Authority: CN
Inventors: 阮志忠
Original assignee: Jiangsu Wangquan New Material Technology Co Ltd
Current assignee: Jiangsu Wangquan New Material Technology Co Ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-23
Anticipated expiration: 2032-02-21

Abstract

The utility model relates to a polyurethane foam production technical field especially relates to a mixing apparatus is used in polyurethane foam production. The technical scheme comprises the following steps: jar body, ring and (mixing) shaft, the centre of jar body lower surface is fixed with gear motor, gear motor top is rotated the transmission shaft of installation and is passed from the centre of jar body lower surface and be connected with the bottom of (mixing) shaft, and the (mixing) shaft is located the centre of the internal below of jar, the internal wall of jar is that annular array is fixed with six location bars, the ring lower surface is six fixed scraper blades of annular array, six the one side that the scraper blade deviates from injects respectively in the slot seted up on six location bars. The utility model has the advantages of rotatory contact scraper blade of raw materials liquid, under the separation of scraper blade, raw materials liquid receives the resistance and rotates to the opposite direction according to original direction of rotation pivoted for raw materials liquid, improves raw materials liquid's stirring mixing efficiency.

Description

Mixing apparatus is used in polyurethane foam production

Technical Field

The utility model relates to a polyurethane foam production technical field specifically is a mixing apparatus is used in polyurethane foam production.

Background

The rigid polyurethane foam is a high molecular polymer prepared by mixing isocyanate and polyether serving as main raw materials through special equipment under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like and performing high-pressure spraying and on-site foaming. Polyurethane has both soft and hard foam. The soft bubbles are in an open pore structure, and the hard bubbles are in a closed pore structure; soft foams are classified into skinned and non-skinned.

Raw materials that polyurethane foam production used are sent into mixing arrangement and are mixed, and general mixing arrangement mixes different raw materials through stirring vane's rotation only, and mixing efficiency is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mixing apparatus is used in polyurethane foam production to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mixing apparatus for polyurethane foam production, includes a jar body, ring and (mixing) shaft, the centre of jar body lower surface is fixed with gear motor, gear motor top rotates the transmission shaft of installation and passes from the centre of jar body lower surface to be connected with the bottom of (mixing) shaft, and the (mixing) shaft is located the centre of jar internal below, jar internal wall is annular array and is fixed with six location strips, the ring lower surface is six fixed scraper blades of annular array, six one side that the scraper deviated from mutually injects respectively in the slot of seting up on six location strips.

Preferably, four pillars are fixed to the outer side of the lower surface of the tank body in an annular array, and gaskets are fixed to the bottom ends of the four pillars respectively.

Preferably, a sealing bearing is embedded in the middle of the lower surface of the tank body, a transmission shaft rotatably mounted at the top end of the speed reduction motor penetrates through the middle of the sealing bearing, and the transmission shaft rotatably mounted at the top end of the speed reduction motor rotates relative to the middle of the lower surface of the tank body through the sealing bearing.

Preferably, a round block is fixed at the top end of the stirring shaft, and three stirring blades are fixed on the round block in an annular array on the outer surface different from the upper end and the lower end.

Preferably, the opposite sides of the upper surfaces of the six scrapers are respectively fixed with the lower surface of the circular ring.

Preferably, one sides of the six scraping plates, which are deviated from each other, are respectively matched with the slots formed in the six positioning strips.

Preferably, a discharge channel is fixed in the middle of one side of the lower surface of the tank body, the discharge channel is communicated with the inside of the tank body, and an electromagnetic valve is installed on the discharge channel.

Compared with the prior art, the beneficial effects of the utility model are that: six positioning strips are fixed on the inner wall of the tank body in an annular array mode, six scraping plates are fixed on the lower surface of the circular ring in an annular array mode, the opposite sides of the upper surfaces of the six scraping plates are fixed with the lower surface of the circular ring respectively, and the sides, away from the six scraping plates, of the six scraping plates are inserted into slots formed in the six positioning strips respectively.

During the raw materials liquid poured into jar body, gear motor starts to drive the (mixing) shaft and rotates, and stirring vane rotates thereupon and mixes the stirring of the internal raw materials liquid of jar, and at the in-process of mixing the raw materials liquid stirring, the rotatory contact scraper blade of the internal raw materials liquid of jar, under the separation of scraper blade, raw materials liquid receives the resistance and promotes in the opposite direction according to original direction of rotation pivoted for raw materials liquid, improves the stirring mixing efficiency of raw materials liquid. After the raw material liquid is stirred and mixed, the electromagnetic valve is opened, and the mixed raw material liquid is discharged from the discharge channel.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the present invention in a front sectional view;

fig. 3 is a schematic top view of the present invention;

fig. 4 is an enlarged schematic view of the scraper connection structure of fig. 3 according to the present invention;

fig. 5 is a schematic view of the connection structure of the positioning strip of the present invention.

In the figure: 1. a pillar; 2. a reduction motor; 3. a tank body; 4. an electromagnetic valve; 5. a discharge channel; 6. a positioning bar; 7. a squeegee; 8. a circular ring; 9. a round block; 10. a stirring blade; 11. a stirring shaft; 12. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a mixing apparatus is used in polyurethane foam production, includes a jar body 3 and (mixing) shaft 11, and the outside of 3 lower surfaces of jar bodies is that annular array is fixed with four pillars 1, and the bottom of four pillars 1 is fixed with the gasket respectively, and four pillars 1 support jar body 3. The speed reduction motor 2 is fixed in the middle of the lower surface of the tank 3, as is well known to those skilled in the art, the speed reduction motor 2 is provided in the common, which belongs to the conventional means or common knowledge, and will not be described herein again, and those skilled in the art can select and match arbitrarily according to their needs or convenience. The middle of the lower surface of the tank body 3 is embedded with a sealing bearing, a transmission shaft rotatably mounted at the top end of the speed reducing motor 2 penetrates through the middle of the sealing bearing, and the transmission shaft rotatably mounted at the top end of the speed reducing motor 2 rotates relative to the middle of the lower surface of the tank body 3 through the sealing bearing. The transmission shaft that 2 tops of gear motor rotated the installation passes from the centre of jar 3 lower surfaces and is connected with the bottom of (mixing) shaft 11, and (mixing) shaft 11 is located the centre of jar 3 inside below, and the top of (mixing) shaft 11 is fixed with the disk 9, and the disk 9 is different from the surface at upper and lower both ends and personally submits annular array and be fixed with three stirring vane 10. The raw material liquid is poured into the tank body 3, the speed reduction motor 2 is started to drive the stirring shaft 11 to rotate, and the stirring blade 10 rotates along with the rotation of the speed reduction motor to stir and mix the raw material liquid in the tank body 3.

Example 2

Referring to fig. 2 to 5, the present invention provides an embodiment: the utility model provides a mixing apparatus for polyurethane foam production, includes jar body 3 and ring 8, and jar body 3 inner wall is the annular array and is fixed with six location strip 6, and six scrapers 7 are fixed for the annular array on ring 8 lower surface, and the relative one side of six scrapers 7 upper surfaces respectively with the lower fixed surface of ring 8. One sides of the six scraping plates 7 which are deviated from each other are respectively inserted into the slots 12 formed in the six positioning strips 6, and one sides of the six scraping plates 7 which are deviated from each other are respectively matched with the slots 12 formed in the six positioning strips 6. In the process of stirring and mixing the raw material liquid, the raw material liquid in the tank body 3 is in rotary contact with the scraper 7, and under the obstruction of the scraper 7, the raw material liquid is pushed in the opposite direction while rotating in the original rotary direction relative to the raw material liquid under the resistance, so that the stirring and mixing efficiency of the raw material liquid is improved.

A discharge channel 5 is fixed in the middle of one side of the lower surface of the tank body 3, the discharge channel 5 is communicated with the inside of the tank body 3, and a solenoid valve 4 is installed on the discharge channel 5, as is well known to those skilled in the art, the solenoid valve 4 is provided in the common sense, which belongs to the conventional means or common knowledge, and is not described herein again, and those skilled in the art can carry out any selection according to the needs or convenience thereof. After the raw material liquid is stirred and mixed, the electromagnetic valve 4 is opened, and the mixed raw material liquid is discharged from the discharge passage 5.

The working principle is as follows: pouring the raw material liquid into the tank body 3, starting the speed reducing motor 2 to drive the stirring shaft 11 to rotate, and stirring and mixing the raw material liquid in the tank body 3 by the stirring blade 10 rotating along with the rotation; during the stirring and mixing of the raw material liquid, the raw material liquid in the tank 3 is rotated and contacted with the scraper 7, and the raw material liquid is pushed in the reverse direction while being rotated in the original rotation direction against the raw material liquid by the resistance of the scraper 7. After the raw material liquid is stirred and mixed, the electromagnetic valve 4 is opened, and the mixed raw material liquid is discharged from the discharge passage 5.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mixing apparatus is used in polyurethane foam production, includes jar body (3), ring (8) and (mixing) shaft (11), its characterized in that: the middle of the lower surface of the tank body (3) is fixed with gear motor (2), the transmission shaft that gear motor (2) top rotated the installation passes from the middle of the lower surface of the tank body (3) and is connected with the bottom of (mixing) shaft (11), and (mixing) shaft (11) are located the middle of the inside below of the tank body (3), the inner wall of the tank body (3) is that the annular array is fixed with six location strips (6), the lower surface of ring (8) is six fixed scraper blades (7), six one side that scraper blade (7) deviate from mutually injects in slot (12) seted up on six location strips (6) respectively.

2. The mixing apparatus for polyurethane foam production according to claim 1, wherein: the outside of jar body (3) lower surface is the annular array and is fixed with four pillars (1), and the bottom of four pillars (1) is fixed with the gasket respectively.

3. The mixing device for polyurethane foam production according to claim 1, wherein: sealed bearing is installed in the middle embedding of jar body (3) lower surface, and gear motor (2) top rotates the transmission shaft of installation and passes in the middle of the sealed bearing, and gear motor (2) top rotates the transmission shaft of installation and passes through sealed bearing and rotate for the middle of jar body (3) lower surface.

4. The mixing apparatus for polyurethane foam production according to claim 1, wherein: the top end of the stirring shaft (11) is fixed with a round block (9), and the outer surfaces of the round block (9) different from the upper end and the lower end are fixed with three stirring blades (10) in an annular array.

5. The mixing device for polyurethane foam production according to claim 1, wherein: and one sides of the upper surfaces of the six scrapers (7) opposite to each other are respectively fixed with the lower surface of the circular ring (8).

6. The mixing device for polyurethane foam production according to claim 1, wherein: and one sides of the six scraping plates (7) which deviate from each other are respectively matched with the slots (12) formed in the six positioning strips (6).

7. The mixing device for polyurethane foam production according to claim 1, wherein: the middle of one side of the lower surface of the tank body (3) is fixed with a discharge channel (5), the discharge channel (5) is communicated with the inside of the tank body (3), and the discharge channel (5) is provided with an electromagnetic valve (4).