Device for controlling foaming time of polyurethane foam

Abstract

The utility model discloses a device for controlling foaming time of polyurethane foam, and relates to the technical field of polyurethane foaming. The device comprises a shell, a transparent top cover, a temperature control device and a control panel. The core of the device is that the temperature control device is used for actively heating or controlling the temperature of the foaming material, and the foaming time of the foaming material is regulated and controlled by utilizing the sensitive characteristic of polyurethane reaction to the temperature, so that the problems of inflexibility and inaccuracy caused by the fact that the foaming starting time of the foaming material can be regulated only by depending on a chemical formula in the prior art are solved; the stability of the foaming effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of medical instrument field, specifically relates to a kind of control device for polyurethane foaming glue foaming time. BACKGROUND

[0002] According to statistics, about 70% of malignant tumor patients need to be treated by radiotherapy (radiotherapy) during treatment, and during radiotherapy, the fixation of the patient's position is an important step to ensure that the patient accurately receives the radiotherapy dose.

[0003] With the development of precise technologies such as image-guided radiotherapy and stereotactic radiotherapy, the accuracy requirements for radiotherapy position fixation are becoming higher and higher. Polyurethane foam glue is widely used in clinical radiotherapy due to its high adhesion and rigidity.

[0004] However, polyurethane foam glue is easily affected by temperature during foaming. When the temperature rises, the foaming initiation time of the foam glue will be shortened. When the temperature decreases, the foaming initiation time is extended and the foaming amount is reduced, so that the foaming effect of the foam glue with the same formula and the same dose at different temperatures is different.

[0005] To control the foaming time of the foam glue and reduce the interference of environmental temperature, ensure the foaming effect of the polyurethane foam glue, the utility model provides a solution to solve this problem. UTILITY MODEL CONTENT

[0006] The utility model solves the technical problem in the background to provide a control device for the foaming time of polyurethane foam glue.

[0007] The purpose of the utility model can be achieved by the following technical solutions:

[0008] A control device for the foaming time of polyurethane foam glue, comprising a shell, a transparent top cover, a temperature control device, and a control panel.

[0009] The transparent top cover is located at the top of the shell and can be seamlessly opened and closed, facilitating the observation of the internal conditions of the shell and the placement and removal of the foam glue.

[0010] The temperature control device is arranged inside the shell, and its core is a heating bin. The heating bin is provided with a clamping groove for placing polyurethane foam glue. The temperature control device further comprises a heat preservation and insulation layer arranged around the heating bin, and a temperature control module for providing accurate temperature control for the heating bin.

[0011] Specifically, the clamping grooves in the heating bin are arranged in two groups, and each group can hold two bottles of foam glue. Multiple such clamping grooves can be arranged in the device, and each group of clamping grooves is connected to an independent temperature control module to realize independent temperature control in different zones.

[0012] The temperature control module comprises a temperature sensor and a heating execution element; the temperature sensor can be one of a thermocouple, a thermistor or a digital temperature sensor, and is used for monitoring the temperature in the heating bin in real time; and the heating execution element can be an electric heating wire or a PTC heater.

[0013] The heat insulation layer is made of at least one heat insulation material selected from polyurethane foam, rock wool and glass wool, and is used for stabilizing the internal temperature of the heating bin and effectively preventing heat loss to the outside.

[0014] The control panel is a human-machine interface arranged on the outer surface of the shell and comprises a liquid crystal screen, temperature control buttons and power buttons; and the control panel is electrically connected with the temperature control device.

[0015] The control device for the foaming time of the polyurethane foaming adhesive can control the foaming starting time of the polyurethane foaming adhesive, ensure the stability of the foaming effect, and is more beneficial to the operation standardization of operators. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structural schematic view of the utility model;

[0017] In the drawing: 1 - shell; 2 - transparent top cover; 3 - temperature control module; 4 - heating bin; 5 - heat insulation layer; 6 - control panel; 7 - liquid crystal screen; 8 - temperature control button; 9 - power button; 10 - clamping groove. DETAILED DESCRIPTION

[0018] The utility model will be further explained and described below through specific embodiments.

[0019] As Figure 1 shown, the control device for the foaming time of the polyurethane foaming adhesive comprises a shell 1, a transparent top cover 2, a temperature control device and a control panel 6.

[0020] The shell 1 is the external support structure of the device. The transparent top cover 2 is hingedly or detachably arranged on the top of the shell 1 and can be seamlessly opened and closed, so as to facilitate the observation of the inside of the shell and the taking and placing of the polyurethane foaming adhesive container.

[0021] The temperature control device is arranged in the shell 1 and comprises a temperature control module 3, a heating bin 4 and a heat insulation layer 5, and the core is the heating bin 4. At least one set of clamping grooves 10 is arranged in each heating bin 4 and is used for stably placing the polyurethane foaming adhesive container. The clamping grooves 10 are arranged in two groups, each group of clamping grooves and the heating bin area where the clamping grooves are arranged are connected with an independent temperature control module 3, so as to realize the independent temperature control of the multiple groups of foaming adhesive samples.

[0022] The temperature control module 3 comprises a heating execution element (electric heating wire or PTC heater) and a temperature sensor (thermocouple, thermistor or digital temperature sensor), which is embedded in the inner wall of the heating bin 4 or the bottom of the clamping groove 10, and collects temperature data in real time and transmits to the control panel 6.

[0023] The heating bin 4 is surrounded by a heat preservation and insulation layer 5 made of polyurethane foam or glass wool, which is in a ring-shaped coating structure and completely covers the side of the heating bin 4, for maintaining the temperature stability in the heating bin and preventing heat loss.

[0024] The control panel 6 is arranged on the outer surface of the shell 1 and is a human-computer interaction interface, which is integrated with a liquid crystal screen 7, a temperature control button 8 and a power button 9.

[0025] In the embodiment, the operation process is as follows: open the transparent top cover 2, place the polyurethane foaming glue container to be used into the clamping groove 10 of the heating bin 4 and close the transparent top cover 2, set the target temperature value through the temperature control button 8 on the control panel 6, the temperature control module 3 receives the instruction and starts the heating element to heat the heating bin 4, and the temperature sensor continuously monitors the temperature in the heating bin 4 until the internal temperature reaches and stabilizes at the set value. The heat preservation and insulation layer 5 is arranged around the heating bin 4, which can effectively reduce heat loss and ensure the formation of a uniform and stable heat environment in the heating bin 4. By placing the foaming glue in this controlled temperature environment in advance, the chemical reaction activity of the foaming glue can be accurately controlled, thereby realizing reliable control of the foaming initiation time.

[0026] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A control device for controlling the foaming time of polyurethane foam, comprising a housing, a transparent top cover, a temperature control device, and a control panel, characterized in that: The transparent top cover, located at the top of the housing, can be detachably and seamlessly connected to the housing, facilitating observation of the interior and handling of the expanding foam. The temperature control device is located inside the housing and includes a heating chamber, a heat insulation layer surrounding the heating chamber, and a temperature control module for precise temperature control. The control panel, located on the outer surface of the housing, includes an LCD screen, temperature control buttons, and a power button, and is electrically connected to the temperature control device.

2. The device for controlling the foaming time of polyurethane foam according to claim 1, characterized in that: The heating chamber is equipped with at least one set of slots for holding polyurethane foam containers.

3. The control device according to claim 2, characterized in that: Each set of slots can hold two bottles of expanding foam at the same time.

4. The control device according to claim 2, characterized in that: The heating chamber is provided with at least two sets of slots to enable simultaneous heating of multiple sets of expanding foam.

5. The control device according to any one of claims 2 to 4, characterized in that: Each set of card slots corresponds to an independent temperature control module.

6. The control device according to claim 1, characterized in that: The temperature control module includes a temperature sensor and a heating actuator; the temperature sensor may be one of a thermocouple, a thermistor, or a digital temperature sensor; the heating actuator may be a heating wire or a PTC heater.

7. The control device according to claim 1, characterized in that: The thermal insulation layer is made of at least one of polyurethane foam, rock wool, or glass wool.

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