CN218139445U

CN218139445U - Polyurethane foam underwater cooling frame

Info

Publication number: CN218139445U
Application number: CN202222608905.XU
Authority: CN
Inventors: 王昌宁
Original assignee: Anhui Meishijia New Material Co ltd
Current assignee: Anhui Meishijia New Material Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-27
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a polyurethane foam cools off frame under water, including foamed plastic, this device has provided corresponding solution. In order to avoid suspension of foam, an upper cover plate and a lower cover plate are clamped and mounted at the upper part and the lower part of the foam, the foam at the middle part is clamped by the upper cover plate and the lower cover plate through air cylinders and telescopic rods at two sides, and the situation that the foam breaks away and is bound to float is directly avoided. In order to increase the effect of location, the slide bar has been installed to the side of upper cover plate and lower apron for the slide bar reciprocates in the inside of spout, has guaranteed the location effect at middle centre gripping position, avoids making foamed plastic float once more because positional deviation. Meanwhile, in order to avoid the side turning of the whole device due to overlarge buoyancy, air in the air valve is pumped by the air pump and negative pressure is formed. Because the air valve and the leather cup are communicated with each other, negative pressure is formed inside the leather cup and is finally adsorbed at the bottom of the water tank, and the phenomenon that the device turns on one side integrally is avoided.

Description

Polyurethane foam underwater cooling frame

Technical Field

The utility model relates to a foamed plastic storage technical field specifically is a polyurethane foamed plastic is cooling frame under water.

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 foams. The soft bubbles are of an open pore structure, and the hard bubbles are of a closed pore structure; soft foams are classified into skinned and non-skinned. The primary function of the polyurethane soft foam is cushioning. Polyurethane flexible foams are commonly used in sofa furniture, pillows, cushions, toys, apparel and sound insulation liners. The polyurethane rigid foam is a novel synthetic material with heat-insulating and waterproof functions, has low heat conductivity coefficient which is only 0.022-0.033W/(m x K), is equivalent to half of an extruded sheet, and is the lowest heat conductivity coefficient in all heat-insulating materials. The hard polyurethane foam plastic is mainly applied to heat preservation of building outer walls, integration of roof waterproof and heat preservation, heat preservation and insulation of cold storages, pipeline heat preservation materials, building boards, refrigerated trucks, heat insulation materials of cold storages and the like.

The polyurethane plastic foam needs to be placed under water for cooling and shaping after the thermal forming process is realized. The existing underwater cooling mode is to bind the whole plastic foam and then soak the plastic foam in the water tank.

The invention provides a polyurethane foam plastic in Chinese invention 98805385.3, which comprises the following components: the present invention relates to a polyurethane foam composition comprising a hydrogenated polydiene diol having a number average molecular weight of 1,000 to 20,000, an aliphatic or cycloaliphatic polyisocyanate, a stabilizer, and a blowing agent. The invention also relates to a process for preparing the polyurethane foam and to articles comprising the polyurethane foam. It can be seen that the plastic has a greater buoyancy.

In the prior art, the cooling of polyurethane foam is mainly realized by adopting a direct binding and soaking mode. However, since the foam has buoyancy, after soaking, the foam breaks loose from the binding of the binding rope and floats to the surface of the water surface, which is not favorable for complete cooling of the polyurethane foam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyurethane foam cools off frame under water to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an underwater polyurethane foam cooling rack, comprising foam and further comprising:

the upper clamping device and the lower clamping device comprise a support, a sliding groove is formed in the support, a cross support is fixed on one side of the support, an air cylinder is fixed in the middle of the cross support, an upper cover plate is installed at the output end of the air cylinder, a second cross frame is fixed on the other side of the support, a sleeve is fixed in the middle of the second cross frame, a telescopic rod is installed in the middle of the sleeve, a lower cover plate is fixed at the output part of the telescopic rod, a sliding rod is fixed on the side edges of the upper cover plate and the lower cover plate, and the sliding rod is slidably installed in the sliding groove;

adsorb fixing device, adsorb fixing device and include that seal installation has the pneumatic valve in the support bottom, and the bottom of pneumatic valve switches on and installs the leather cup, communicates each other through the hose between the pneumatic valve, and one side intercommunication of hose has the riser, and the air pump is installed at the top of riser.

In a further technical scheme, the height of the stand pipe is 1.2 times of the height of the water surface.

According to the further technical scheme, a base is fixed at the bottom of the vertical pipe, and a sucker is fixed at the bottom of the base.

The technical scheme is further that the feeding device comprises an upright post, a second cylinder is fixedly mounted at the top of the upright post, and a push plate is mounted at the output end of the second cylinder.

According to the further technical scheme, the height of the upright column is greater than the height of the water surface.

According to the further technical scheme, the sealing ring is attached to the contact position of the telescopic rod and the sleeve.

According to the further technical scheme, the upper cover plate and the lower cover plate are parallel to each other.

According to a further technical scheme, the part of the sliding rod, which is in contact with the sliding groove, is coated with antirust lubricating grease.

Compared with the prior art, the beneficial effects of the utility model are that: the device provides a corresponding solution aiming at the technical defects of the polyurethane foam in the cooling process in the prior art. In order to avoid suspension of foam, an upper cover plate and a lower cover plate are clamped and mounted at the upper part and the lower part of the foam, the foam at the middle part is clamped by the upper cover plate and the lower cover plate through air cylinders and telescopic rods at two sides, and the situation that the foam breaks away and is bound to float is directly avoided. In order to increase the positioning effect, sliding rods are arranged on the side edges of an upper cover plate and a lower cover plate, so that the sliding rods move up and down in a sliding groove, the positioning effect of a middle clamping position is guaranteed, and the situation that foam plastics float again due to position deviation is avoided. Meanwhile, in order to avoid the side turning of the whole device due to overlarge buoyancy, air in the air valve is pumped by the air pump and negative pressure is formed. Because the air valve and the leather cup are communicated with each other, negative pressure is formed inside the leather cup and is finally adsorbed at the bottom of the water tank, and the phenomenon that the device turns on one side integrally is avoided.

Drawings

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

FIG. 2 is a schematic structural view of the middle and upper clamping device of the present invention;

fig. 3 is a schematic structural view of the feeding device of the present invention;

fig. 4 is a schematic view of the middle adsorption fixing device of the present invention.

In the figure: the device comprises a foam plastic 1, an upper clamping device 2, a lower clamping device 2, a feeding device 4, an adsorption fixing device 5, a support 6, a sliding chute 7, a cross support 8, an air cylinder 9, an upper cover plate 10, a sliding rod 11, a second cross support 12, a sleeve 13, a telescopic rod 14, a lower cover plate 15, an upright column 16, a second air cylinder 17, a push plate 18, an air valve 19, a leather cup 20, a hose 21, a vertical pipe 22 and an air pump 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, the present invention provides a technical solution: an underwater polyurethane foam cooling rack comprises a foam 1 and further comprises:

the upper and lower clamping devices 2 are used for clamping and fixing the upper and lower parts of the foam plastic 1; the upper and lower clamping devices 2 comprise a support 6, a sliding groove 7 is formed in the support 6, and the sliding groove 7 is a part where the sliding rod 11 is slidably mounted and used for supporting and positioning. A cross bracket 8 is fixed on one side of the bracket 6, and the cross bracket 8 is used for fixing a cylinder 9. An air cylinder 9 is fixed in the middle of the cross-shaped support 8, an upper cover plate 10 is installed at the output end of the air cylinder 9, and the air cylinder 9 presses and clamps the upper part of the foamed plastic 1 through the upper cover plate 10 of the slotted hole; a second cross frame 12 is fixed on the other side of the support 6, a sleeve 13 is fixed in the middle of the second cross frame 12, and the sleeve 13 is used for protecting the underwater telescopic function 14 from being soaked and damaged by moisture. The middle part of the sleeve 13 is provided with a telescopic rod 14, the output part of the telescopic rod 14 is fixed with a lower cover plate 15, and the telescopic rod 14 controls the lower cover plate 15 to extend upwards so as to clamp the foam plastic 1. Slide bars 11 are fixed on the side edges of the upper cover plate 10 and the lower cover plate 15, and the slide bars 11 are devices for positioning and moving. The sliding rod 11 is slidably arranged inside the sliding chute 7;

the adsorption fixing device 5, the adsorption fixing device 5 is a component for preventing the whole device from turning over; the adsorption fixing device 5 comprises an air valve 19 which is hermetically arranged at the bottom of the bracket 6, the air valve 19 is hollow, and negative pressure is formed by air suction of an air pump 23; the bottom of the air valve 19 is provided with a leather cup 20 in a conduction mode, and the leather cup 20 generates negative pressure under the conduction condition and is adsorbed at the bottom of the water tank, so that side turning is prevented. The air valves 19 are communicated with each other through hoses 21, and the communication is used for enabling one air pump 23 to control a plurality of leather cups 20. One side of the hose 21 is communicated with a stand pipe 22, and the stand pipe 22 is used for extending out of the water surface. An air pump 23 is mounted on the top of the riser 22.

Example 2:

referring to fig. 1-4, the height of the stand pipe 22 is 1.2 times the height of the water surface, so that the air pump 23 can be extended out of the water surface.

The base is fixed to the bottom of the stand pipe 22, and the suction cup is fixed to the bottom of the base and is used for being installed at the bottom of the water tank.

The feeding device 4 comprises an upright post 16 for fixing a second cylinder 17; and a second air cylinder 17 is fixedly arranged at the top of the upright post 16, and the second air cylinder 17 pushes the foam plastic 1 out of the device through a push plate 18. The output end of the second cylinder 17 is provided with a push plate 18.

The height of the upright 16 is greater than the water level, ensuring that the second cylinder 17 is not wetted and damaged.

The contact part of the telescopic rod 14 and the sleeve 13 is provided with a sealing ring in an attaching way, so that the sealing property of the sleeve 13 is ensured.

The upper cover plate 10 and the lower cover plate 15 are positioned in parallel to each other, so that the upper cover plate and the lower cover plate are prevented from being positioned in a non-flush manner, and the foam plastic 1 in the inner part is prevented from floating.

The contact part of the sliding rod 11 and the sliding chute 7 is coated with antirust grease.

Example 3

With reference to fig. 1 to 4 of the present application, the present device provides a corresponding solution to the technical defects of the prior art polyurethane foam during cooling when the device is in normal use. In order to avoid the suspension of foam, an upper cover plate 10 and a lower cover plate 15 are clamped and installed at the upper part and the lower part of the foam plastic 1, the upper cover plate 10 and the lower cover plate 15 clamp the foam plastic 1 at the middle part through air cylinders 9 and telescopic rods 14 at two sides, and the foam plastic 1 is directly prevented from being broken away and restrained to float. In order to increase the positioning effect, the sliding rods 11 are arranged on the side edges of the upper cover plate 10 and the lower cover plate 15, so that the sliding rods 11 move up and down in the sliding grooves 7, the positioning effect of the middle clamping position is guaranteed, and the phenomenon that the foamed plastic 1 floats again due to position deviation is avoided. Meanwhile, in order to prevent the whole device from turning over due to excessive buoyancy, air in the air valve 19 is pumped by the air pump 23 and negative pressure is formed. Because the air valve 19 and the leather cup 20 are communicated with each other, negative pressure is formed inside the leather cup 20 and is finally adsorbed at the bottom of the water tank, and the phenomenon that the whole device turns on one side is avoided.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Polyurethane foam underwater cooling rack comprising a foam (1), characterized in that it further comprises:

the clamping device comprises an upper clamping device body and a lower clamping device body (2), wherein the upper clamping device body and the lower clamping device body (2) comprise a support (6), a sliding groove (7) is formed in the support (6), a cross support (8) is fixed to one side of the support (6), an air cylinder (9) is fixed to the middle of the cross support (8), an upper cover plate (10) is installed at the output end of the air cylinder (9), a second cross frame (12) is fixed to the other side of the support (6), a sleeve (13) is fixed to the middle of the second cross frame (12), an expansion link (14) is installed at the middle of the sleeve (13), a lower cover plate (15) is fixed to the output portion of the expansion link (14), a sliding rod (11) is fixed to the side edges of the upper cover plate (10) and the lower cover plate (15), and the sliding rod (11) is installed in the sliding groove (7);

adsorb fixing device (5), adsorb fixing device (5) including air valve (19) of seal installation in support (6) bottom, the bottom of air valve (19) switches on and installs leather cup (20), communicate each other through hose (21) between air valve (19), one side intercommunication of hose (21) has riser (22), air pump (23) are installed at the top of riser (22).

2. The polyurethane foam underwater cooling rack of claim 1, wherein: the height of the stand pipe (22) is 1.2 times of the height of the water surface.

3. The polyurethane foam underwater cooling rack of claim 1, wherein: the bottom of the stand pipe (22) is fixed with a base, and the bottom of the base is fixed with a sucker.

4. The polyurethane foam underwater cooling rack as claimed in claim 1, wherein: the feeding device (4) comprises an upright post (16), a second air cylinder (17) is fixedly mounted at the top of the upright post (16), and a push plate (18) is mounted at the output end of the second air cylinder (17).

5. The polyurethane foam underwater cooling rack of claim 4, wherein: the height of the upright post (16) is greater than the height of the water surface.

6. The polyurethane foam underwater cooling rack of claim 1, wherein:

and the contact part of the telescopic rod (14) and the sleeve (13) is provided with a sealing ring in an attaching way.

7. The polyurethane foam underwater cooling rack as claimed in claim 1, wherein:

the upper cover plate (10) and the lower cover plate (15) are parallel to each other.

8. The polyurethane foam underwater cooling rack of claim 1, wherein:

and the part of the sliding rod (11) in contact with the sliding groove (7) is coated with antirust grease.