CN216329587U

CN216329587U - Foaming device is used in polyurethane resin preparation

Info

Publication number: CN216329587U
Application number: CN202122631482.9U
Authority: CN
Inventors: 黄会芳
Original assignee: Shenzhen Shenti Industrial Co ltd
Current assignee: Shenzhen Shenti Industrial Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-04-19
Anticipated expiration: 2031-10-30

Abstract

The utility model discloses a foaming device for preparing polyurethane resin, which comprises a mixing box, wherein the top of the mixing box is fixedly connected with a placing box through a fixed rod, a partition plate is fixedly connected at the center of an inner cavity of the placing box, the top of the mixing box is communicated with a feeding pipe, the inner wall of the feeding pipe is fixedly connected with a flow sensor, the top of the feeding pipe is communicated with a three-way valve, the surface of the three-way valve is communicated with a first automatic control valve, and the top of the right side of the mixing box is fixedly connected with a driving motor. According to the utility model, through the matching use of the mixing box, the placing box, the partition plate, the feeding pipe, the flow sensor, the three-way valve, the first automatic control valve, the driving motor, the worm wheel, the stirring rod, the heating box, the dust screen, the heating wire, the fan, the heating plate, the heating pipe, the controller, the discharging pipe, the second automatic control valve and the temperature sensor, the raw material injection amount can be automatically regulated and controlled, the temperature can be automatically regulated and controlled, and the mixing efficiency is improved.

Description

Foaming device is used in polyurethane resin preparation

Technical Field

The utility model relates to the technical field of polyurethane resin production equipment, in particular to a foaming device for preparing polyurethane resin.

Background

The polyurethane foaming machine is a special equipment for pouring and foaming polyurethane foam plastics, and can produce uniform and qualified foam products by a foaming device, and is used for preparing the foam plastics by carrying out chemical reaction foaming on polyether polyol and polyisocyanate in the presence of a plurality of chemical additives such as foaming agents, catalysts, emulsifiers and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foaming device for preparing polyurethane resin, which has the advantages of rapidness and high efficiency, and solves the problems of poor material mixing effect and production efficiency reduction caused by poor automatic material control and automatic temperature control effects of the conventional foaming device.

In order to achieve the purpose, the utility model provides the following technical scheme: a foaming device for preparing polyurethane resin comprises a mixing box, wherein the top of the mixing box is fixedly connected with a placing box through a fixing rod, a baffle is fixedly connected at the center of an inner cavity of the placing box, the top of the mixing box is communicated with an inlet pipe, the inner wall of the inlet pipe is fixedly connected with a flow sensor, the top of the inlet pipe is communicated with a three-way valve, the surface of the three-way valve is communicated with a first automatic control valve, the top of the right side of the mixing box is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a worm, the surface of the worm is meshed with a worm wheel, the inner cavity of the worm wheel is fixedly connected with a stirring rod, the left side of the mixing box is fixedly connected with a heating box, the top of the inner cavity of the heating box is provided with a dustproof net, the bottom of the inner cavity of the heating box is fixedly connected with a heating wire, and the bottom of the inner cavity of the heating box is fixedly connected with a fan, the inner wall fixedly connected with hot plate of mixing box, the inner chamber fixedly connected with heating pipe of hot plate, the positive fixedly connected with controller of heating box, the bottom intercommunication of mixing box has the discharging pipe, the surface intercommunication of discharging pipe has the second from the accuse valve, the left side fixedly connected with temperature sensor at mixing box inner chamber top.

Preferably, the top of the three-way valve is communicated with the bottom of the placing box, and one end, far away from the driving motor, of the worm is movably connected with the mixing box through a bearing.

Preferably, the number of the stirring rods is two, and the top and the bottom of each stirring rod are movably connected with the mixing box through bearings.

Preferably, the air inlet through hole is formed in the top of the left side of the heating box, and the air outlet pipe of the fan is communicated with the heating pipe.

Preferably, the heating plate is circular, and the heating pipe is annularly distributed in the inner cavity of the heating plate.

Preferably, the controller passes through wire electric connection with flow sensor, the controller passes through wire electric connection with first automatic control valve, the controller passes through wire electric connection with driving motor, the controller passes through wire electric connection with the heater strip, the controller passes through wire electric connection with the fan, the controller passes through wire electric connection with the second automatic control valve, the controller passes through wire electric connection with temperature sensor.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matching use of the mixing box, the placing box, the partition plate, the feeding pipe, the flow sensor, the three-way valve, the first automatic control valve, the driving motor, the worm wheel, the stirring rod, the heating box, the dust screen, the heating wire, the fan, the heating plate, the heating pipe, the controller, the discharging pipe, the second automatic control valve and the temperature sensor, the raw material injection amount can be automatically regulated and controlled, the temperature can be automatically regulated and controlled, the mixing efficiency is improved, and the problems of poor material mixing effect and production efficiency reduction caused by poor automatic material control and automatic temperature control effects of the existing foaming device are solved.

2. According to the utility model, the worm is arranged to drive the two stirring rods to rotate simultaneously, the air inlet through hole is formed to enable external air to enter the heating box quickly, the annular heating plate is arranged to improve the heating efficiency, and the controller is arranged to control the operation of elements better.

Drawings

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

FIG. 2 is a schematic view showing the internal structure of the heating chamber of the present invention;

FIG. 3 is a schematic cross-sectional view of a heating plate and heating tube according to the present invention;

fig. 4 is an enlarged view of the utility model at a in fig. 1.

In the figure: 1. a mixing box; 2. placing a box; 3. a partition plate; 4. a feed pipe; 5. a flow sensor; 6. a three-way valve; 7. a first automatic control valve; 8. a drive motor; 9. a worm; 10. a worm gear; 11. a stirring rod; 12. a heating box; 13. a dust screen; 14. heating wires; 15. a fan; 16. heating plates; 17. heating a tube; 18. a controller; 19. a discharge pipe; 20. a second automatic control valve; 21. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", "rear", "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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

Referring to fig. 1-4, a foaming device for preparing polyurethane resin, comprising a mixing box 1, the top of the mixing box 1 is fixedly connected with a placing box 2 through a fixing rod, the center of the inner cavity of the placing box 2 is fixedly connected with a baffle 3, the top of the mixing box 1 is communicated with a feeding pipe 4, the inner wall of the feeding pipe 4 is fixedly connected with a flow sensor 5, the top of the feeding pipe 4 is communicated with a three-way valve 6, the top of the three-way valve 6 is communicated with the bottom of the placing box 2, one end of a worm 9 far away from a driving motor 8 is movably connected with the mixing box 1 through a bearing, two stirring rods 11 can be driven to rotate simultaneously through the arrangement of the worm 9, external air can rapidly enter a heating box 12 through the arrangement of an air inlet through hole, the heating efficiency can be improved through the arrangement of a circular heating plate 16, and better control element operation can be realized through the arrangement of a controller 18, the surface of the three-way valve 6 is communicated with a first automatic control valve 7, the top part of the right side of the mixing box 1 is fixedly connected with a driving motor 8, the output end of the driving motor 8 is fixedly connected with a worm 9, the surface of the worm 9 is meshed with a worm wheel 10, the inner cavity of the worm wheel 10 is fixedly connected with two stirring rods 11, the top part and the bottom part of each stirring rod 11 are movably connected with the mixing box 1 through bearings, the left side of the mixing box 1 is fixedly connected with a heating box 12, the left top part of the heating box 12 is provided with an air inlet through hole, an air outlet pipe of a fan 15 is communicated with a heating pipe 17, the top part of the inner cavity of the heating box 12 is provided with a dust screen 13, the bottom part of the inner cavity of the heating box 12 is fixedly connected with a heating wire 14, the bottom part of the inner cavity of the heating box 12 is fixedly connected with a fan 15, the inner wall of the mixing box 1 is fixedly connected with a heating plate 16, the heating plate 16 is annular, the heating pipe 17 is distributed in the inner cavity of the heating plate 16 in an annular shape, a heating pipe 17 is fixedly connected to the inner cavity of the heating plate 16, a controller 18 is fixedly connected to the front side of the heating box 12, the controller 18 is electrically connected to the flow sensor 5 through a lead, the controller 18 is electrically connected to the first automatic control valve 7 through a lead, the controller 18 is electrically connected to the driving motor 8 through a lead, the controller 18 is electrically connected to the heating wire 14 through a lead, the controller 18 is electrically connected to the fan 15 through a lead, the controller 18 is electrically connected to the second automatic control valve 20 through a lead, the controller 18 is electrically connected to the temperature sensor 21 through a lead, a discharge pipe 19 is communicated with the bottom of the mixing box 1, a second automatic control valve 20 is communicated with the surface of the discharge pipe 19, the temperature sensor 21 is fixedly connected to the left side of the inner cavity of the mixing box 1, and passes through the mixing box 1, the placing box 2, the partition plate 3, the feed pipe 4, the flow sensor 5, the three-way valve 6, the first automatic control valve 7, the three-way valve 7, Driving motor 8, worm 9, worm wheel 10, puddler 11, heating cabinet 12, dust screen 13, heater strip 14, fan 15, hot plate 16, heating pipe 17, controller 18, discharging pipe 19, second automatic control valve 20 is used with temperature sensor 21's cooperation, can regulate and control the raw materials injection volume automatically, and can regulate and control the temperature automatically, improve mixing efficiency, it is relatively poor to have solved current automatic accuse material of foaming device and automatic temperature control effect, lead to the material to mix the effect relatively poor, the problem of production efficiency has been reduced.

During the use, pour into the raw materials into and place case 2 in, the first automatic control valve 7 of controller 18 control is opened to detect the raw materials injection volume through flow sensor 5, driving motor 8 drives puddler 11 through worm 9 and worm wheel 10 after the raw materials is poured into and rotates, puddler 11 mixes the stirring to the raw materials, heater strip 14 starts with fan 15 when stirring, heats mixing box 1, improves stirring efficiency, mixes and accomplishes the back and outwards discharges through discharging pipe 19.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foaming device is used in polyurethane resin preparation, includes mixing box (1), its characterized in that: the top of mixing box (1) is passed through dead lever fixedly connected with and is placed case (2), place fixedly connected with baffle (3) of center department of case (2) inner chamber, the top intercommunication of mixing box (1) has inlet pipe (4), the inner wall fixedly connected with flow sensor (5) of inlet pipe (4), the top intercommunication of inlet pipe (4) has three-way valve (6), the surface intercommunication of three-way valve (6) has first automatic control valve (7), top fixedly connected with driving motor (8) on mixing box (1) right side, the output fixedly connected with worm (9) of driving motor (8), the surface meshing of worm (9) has worm wheel (10), the inner chamber fixedly connected with puddler (11) of worm wheel (10), the left side fixedly connected with heating cabinet (12) of mixing box (1), the top of heating cabinet (12) inner chamber is provided with dust screen (13), the bottom fixedly connected with heater strip (14) of heating cabinet (12) inner chamber, the bottom fixedly connected with fan (15) of heating cabinet (12) inner chamber, the inner wall fixedly connected with hot plate (16) of mixing box (1), the inner chamber fixedly connected with heating pipe (17) of hot plate (16), the positive fixedly connected with controller (18) of heating cabinet (12), the bottom intercommunication of mixing box (1) has discharging pipe (19), the surface intercommunication of discharging pipe (19) has second autonomous valve (20), the left side fixedly connected with temperature sensor (21) at mixing box (1) inner chamber top.

2. The foaming apparatus for polyurethane resin production according to claim 1, wherein: the top of three-way valve (6) and the bottom intercommunication of placing case (2), the one end that driving motor (8) were kept away from in worm (9) passes through bearing and mixing box (1) swing joint.

3. The foaming apparatus for polyurethane resin production according to claim 1, wherein: the quantity of puddler (11) is two, all through bearing and mixing box (1) swing joint with the bottom of puddler (11).

4. The foaming apparatus for polyurethane resin production according to claim 1, wherein: an air inlet through hole is formed in the top of the left side of the heating box (12), and an air outlet pipe of the fan (15) is communicated with the heating pipe (17).

5. The foaming apparatus for polyurethane resin production according to claim 1, wherein: the heating plate (16) is in a ring shape, and the heating pipe (17) is distributed in the inner cavity of the heating plate (16) in an annular shape.

6. The foaming apparatus for polyurethane resin production according to claim 1, wherein: the utility model discloses a temperature sensor, including controller (18), flow sensor (5), controller (18), heater strip (14), controller (18) and first automatic control valve (7), controller (18) and driving motor (8) pass through wire electric connection, controller (18) and heater strip (14) pass through wire electric connection, controller (18) and fan (15) pass through wire electric connection, controller (18) and second automatic control valve (20) pass through wire electric connection, controller (18) and temperature sensor (21) pass through wire electric connection.