WO2023207711A1

WO2023207711A1 - Microwave heating device for disposable gloves

Info

Publication number: WO2023207711A1
Application number: PCT/CN2023/089239
Authority: WO
Inventors: 刘德志; 史一轩; 李洋; 史智勇
Original assignee: 青岛慧智兰智能科技有限公司
Priority date: 2022-04-27
Filing date: 2023-04-19
Publication date: 2023-11-02
Also published as: CN114800990A

Abstract

The present invention relates to the field of glove vulcanization devices, and in particular to a microwave heating device for disposable gloves. The device comprises heating sections and transition sections which are communicated, the transition sections are connected to two sides of the corresponding heating section, a microwave generation apparatus is provided in the heating section, and a hand mold impregnated with latex sequentially passes through a transition section on one side, the heating section and a transition section on the other side. According to the present invention, heating and shaping of nitrile gloves is realized by microwave heating, and the latex is precisely heated, thereby greatly saving energy consumption required in a glove production process, and effectively avoiding a large amount of pollutants generated in a conventional combustion heating process; the transition sections and microwave recycling sections are provided, so that the latex further absorbs reflected microwaves in the transition sections and the heating quality is improved; and the residual unabsorbed microwaves are used for heating water in water tanks at the microwave recycling sections, thereby greatly improving the utilization efficiency of the microwaves, and ensuring that the microwave intensity at an inlet and an outlet of the heating device is reduced to be within a range of ensuring the safety of a human body.

Description

A microwave heating device for disposable gloves

Technical field

The invention relates to the field of glove production equipment, in particular to a microwave heating equipment for disposable gloves.

Background technique

In the production process of existing nitrile gloves, the hand mold soaked in latex is dried and heated to form the gloves. However, in the current heating production equipment, all devices located in the drying box, such as latex, hand molds, hand mold holders, and conveyor chains, need to be heated to ensure that the latex is fully heated. However, during the above-mentioned heating and drying process, , most of the heat acts on devices other than latex, resulting in a lot of energy waste and extremely low energy utilization. At the same time, because most of the existing glove production industries use industrial boilers, they burn biomass, natural gas and other raw materials into ovens. Providing heat, this heating method is extremely unfriendly to the environment and causes serious pollution.

Contents of the invention

The present invention aims to solve the above problems and provides a microwave heating device for disposable gloves. The technical solution adopted is as follows:

A microwave heating device for disposable gloves, including a connected heating section and a transition section. The transition section is connected to both sides of the heating section. A microwave generating device is provided in the heating section. The hand mold soaked in latex passes through one side of the transition section in sequence. , heating section and transition section on the other side.

On the basis of the above solution, the end of the transition section away from the heating section is connected to the microwave recovery section. The microwave recovery section is connected with the transition section. The number of microwave recovery sections is 2 groups, and they are arranged symmetrically with respect to the heating section. The hand mold comes from one side. The free end of the microwave recovery section enters and the microwave recovery section comes from the other side. Move out from end.

Preferably, the heating section is composed of a microwave heating cavity, and the transition section is composed of a transition cavity. The number of the microwave heating cavity and the transition cavity can be one or more.

Preferably, the microwave heating cavity includes interconnected side cavities and a middle connecting cavity. A magnetron for generating microwaves is provided in the side cavity; a baffle is provided between the middle connecting cavity and the side cavity, and the hand mold moves in the side cavity. , the transmission chain connecting the hand mold moves in the middle connecting cavity; the microwave heating cavity also includes a power box fixedly connected to the outside.

Based on the above solution, the side cavity is a U-shaped cavity, and the U-shaped opening is connected to the cavity in the middle. The bends of the U-shaped cavity are connected through an inclined surface, and a waveguide connected to the side cavity is provided on the inclined surface. The microwaves generated by the magnetron enter the side cavity through the waveguide.

Preferably, the magnetron is arranged in a magnetron cavity, and a cooling water pipeline is arranged in the magnetron cavity. The cooling water pipeline is connected to the cooling water inlet and outlet, and cooling water is continuously fed into the cooling water pipeline.

Preferably, the number of said side chambers is two, which are respectively connected to opposite sides of the central communicating chamber.

Preferably, the microwave recovery section is composed of wave absorbing cavities, and the number of the wave absorbing cavities is one or more.

On the basis of the above solution, the inner wall of the absorbing cavity is provided with absorbing material, and a water tank is provided on the absorbing cavity. Water to be heated is continuously fed into the water tank.

Based on the above solution, a first water tank and a second water tank are arranged side by side on one side of the absorbing cavity, and a third water tank and a fourth water tank are arranged side by side on the other side surface. The first water tank and the second water tank pass through the middle part. The connecting pipes are connected, the third water tank and the fourth water tank are connected through the middle connecting pipe, the first water tank and the third water tank are connected through the upper and lower connecting pipes, and the water to be cooled is continuously input from the first main pipe to the second water tank through the first branch pipe. The four water tanks output heated water to the second main pipe through the second water tank branch pipe.

Preferably, the microwave frequency generated by the microwave generating device is 915MHz.

Preferably, the microwave heating cavity is connected with the ventilation cavity, and a ventilation opening is provided on the ventilation cavity.

The beneficial effects of the present invention are:

1. Based on the material properties of latex and the characteristics of microwave heating, microwave heating is used to heat and shape nitrile gloves. The latex is heated accurately to avoid heating other devices such as hand molds and causing a large amount of energy waste. It saves the energy consumption required in the production process of gloves, while effectively avoiding a large number of pollutants produced in the traditional combustion heating process, effectively reducing carbon emissions, and transforming traditional heavily polluting factories into clean, green and environmentally friendly factories;

2. Set up a transition section and a microwave recovery section symmetrically before and after the microwave heating device, so that the latex can further absorb reflected microwaves in the transition section and improve the heating quality. The remaining unabsorbed microwaves are used to heat the water in the water tank at the microwave recovery section. Water is provided to other aspects of glove production. On the one hand, it greatly improves the utilization efficiency of microwaves. On the other hand, it prevents microwave leakage and ensures that the microwave intensity at the entrance and exit of the heating equipment is reduced to a range that ensures human safety;

3. Adopt modular design and adjust the quantity and installation method according to actual production needs;

4. Using the local structure of the waveguide and the side cavity to cooperate, the microwave generated by the magnetron can be used to maximize the range of the latex on the hand mold, accurately heating it, and improving the quality of heating and molding in narrow places such as the finger gaps of gloves. .

Description of the drawings

Figure 1: Schematic structural diagram of the present invention;

Figure 2: Schematic diagram of the cooperation between the microwave heating cavity and the hand mold of the present invention;

Figure 3: Schematic structural diagram of the microwave heating cavity of the present invention;

Figure 4: Schematic structural diagram of the transition cavity of the present invention;

Figure 5: Schematic diagram of the structure of the absorbing cavity of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and examples:

In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated into one; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection between two elements or the interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the description of the present invention, it should be understood that the terms "center", "length", "upper", "lower", "front", "back", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation and therefore are not to be construed as limitations of the invention. In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the present invention, unless otherwise expressly provided and limited, the term "above" or "below" a first feature of a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them. Moreover, the first characteristic is "Above", "above" and "above" the second features include the first feature being directly above or diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

As shown in Figure 1, a microwave heating device for disposable gloves includes a connected heating section and a transition section. The transition section is connected to both sides of the heating section. A microwave generating device is set up in the heating section to heat the latex through microwave action. Heating and vulcanization molding replaces the previous drying and heating method to avoid burning pollutants and damaging the environment. At the same time, microwave heating can shorten the time required for drying in the past. The microwave frequency generated by the microwave generating device can be 915MHz to improve the heating quality of the gloves. The above-mentioned microwave generating device can use a magnetron. The hand mold 53 soaked in latex passes through the transition section on one side, the heating section and the transition section on the other side in sequence. The latex on the hand mold 53 continues to absorb the microwaves reflected by the heating section in the transition sections on both sides, improving energy efficiency and gloves. Heat forming quality. As shown in Figures 2 to 4, the heating section is composed of a microwave heating cavity 30, and the transition section is composed of a transition cavity 20. The number of the microwave heating cavity 30 and the transition cavity 20 can be one or more, each of which The microwave heating cavity 30 and the transition cavity 20 are both independently installed, and the quantity and installation position can be adjusted according to production needs. Further, the microwave heating cavity 30 is connected with the ventilation cavity 61, and a ventilation opening is provided on the ventilation cavity 61.

As shown in Figures 2 and 3, the microwave heating cavity 30 includes a side cavity 31 and a middle communication cavity 32 that are connected to each other. A magnetron for generating microwaves is provided in the side cavity 31; The baffle is set, the hand mold 53 moves in the side cavity 31, and the transmission chain 55 connected to the hand mold 53 moves in the middle connecting cavity 32, so that the microwaves can be concentrated in the side cavity 31 and act on the latex through the baffle to prevent waste. Preferably, the baffle includes an upper baffle 41 and a lower baffle 42. The upper baffle 41 is fixedly connected to the upper inner surface of the microwave heating cavity 30, and the lower baffle 42 is fixedly connected to the lower inner surface of the microwave heating cavity 30. There is a gap between the lower edge of the upper baffle 41 and the upper edge of the lower baffle 42 . Hand model 53 The hand mold base 52 is connected to the transmission chain 55. The transmission chain 52 moves in the chain guide rail 54. The hand mold base 52 is arranged above the hand mold guide rail 51 and moves between the upper baffle 41 and the lower baffle 42. A positioning groove 43 opening downward is provided on the upper part of the baffle 42 , and the hand mold guide rail 51 is engaged in the positioning groove 43 . Preferably, the number of side chambers 31 is two, which are respectively connected to opposite sides of the central communication chamber 32, thereby simultaneously improving the glove heating efficiency. The microwave heating cavity 30 also includes a power box 37 fixedly connected to the outside, and a filter 38 is arranged outside the power box 37 .

Preferably, the power box 37 is arranged on the top of the middle communication cavity 32 to facilitate maintenance and operation. The side cavity 31 is a U-shaped cavity, and the U-shaped opening is connected to the middle cavity 32. The bends of the U-shaped cavity are connected through an inclined surface. A waveguide 36 connected to the side cavity 31 is provided on the inclined surface. The magnetron The generated microwaves enter the side cavity 31 after passing through the waveguide 36, so that the microwaves are concentrated as much as possible on the front end area of the hand mold 35 in the side cavity 31 to accurately heat and improve the molding quality of the glove portion at the front end of the hand mold 35.

The magnetron is arranged in the magnetron cavity 35, and a cooling water pipeline is arranged in the magnetron cavity 35. The cooling water pipeline is connected with the cooling water inlet and outlet 34. Cooling water is continuously fed into the cooling water pipeline, and the cooling water is cooled by water. The magnetron is cooled down in this way. After the cooling water is heated by the magnetron, it is continued to be supplied to other links in the glove production line as production water, which not only saves water resources, but also saves a lot of energy used to heat water. The magnetron cavity 35 and the waveguide 36 are covered with a magnetron cover 33 for protecting internal components. There are two cooling water inlets and outlets 34, which penetrate the magnetron cover 33 and are connected to the magnetron cavity 35.

As shown in Figures 1 and 5, one end of the transition section away from the heating section is connected to the microwave recovery section, and the microwave recovery section is connected with the transition section. The number of microwave recovery sections is 2 groups, and they are arranged symmetrically with respect to the heating section. The hand model 53 Enter from the free end of the microwave recovery section on one side and move out from the free end of the microwave recovery section on the other side. The microwave recovery section is composed of wave absorbing cavities 10, and the number of the wave absorbing cavities 10 is one or more. The absorbing material is provided on the inner wall of the absorbing cavity 10, and a water tank is provided on the absorbing cavity 10, so The water to be heated is continuously fed into the water tank. Through the microwave recovery section, the microwaves that have not been absorbed or consumed in the heating section and transition section are absorbed to ensure that the microwave intensity at the entrance and exit of the heating equipment is reduced to a range that ensures human safety. At the same time, the absorbed microwaves are used to continuously heat the water. It can supply production water to other links in the glove production line and improve energy utilization efficiency. Specifically, the first water tank 12 and the second water tank 13 are arranged side by side on one side of the absorbing cavity 10, and the third water tank 14 and the fourth water tank 15 are arranged side by side on the other side surface. The first water tank 12 and the second water tank 13 pass through The middle communication pipe 16 is connected. The third water tank 14 and the fourth water tank 15 are connected through the middle communication pipe 16. The first water tank 12 and the third water tank 14 are connected through the upper and lower communication pipes 17. The first main pipe 191 passes through the first branch pipe 181 to the third water tank. The second water tank 13 continues to input water to be cooled, and the fourth water tank 15 outputs heated water to the second main pipe 192 through the second water tank branch pipe 182 . The above structure forms interconnected flow paths to provide continuous water supply.

The present invention has been described above by way of examples, but the present invention is not limited to the above-mentioned specific embodiments. Any changes or modifications made based on the present invention belong to the scope of protection claimed by the present invention.

Claims

A microwave heating device for disposable gloves, which is characterized in that it includes a connected heating section and a transition section. The transition section is connected on both sides of the heating section. A microwave generating device is provided in the heating section. A hand mold soaked in latex (53 ) passes through the transition section on one side, the heating section and the transition section on the other side in sequence.
A microwave heating device for disposable gloves according to claim 1, characterized in that one end of the transition section away from the heating section is connected to a microwave recovery section, the microwave recovery section is connected to the transition section, and the number of microwave recovery sections is 2 groups respectively. , and is arranged symmetrically with respect to the heating section, the hand mold (53) enters from the free end of the microwave recovery section on one side and moves out from the free end of the microwave recovery section on the other side.
A microwave heating device for disposable gloves according to claim 1, characterized in that the heating section is composed of a microwave heating cavity (30), and the transition section is composed of a transition cavity (20). The microwave heating cavity (30) ) and the number of transition cavities (20) can be one or more.
A microwave heating device for disposable gloves according to claim 1, characterized in that the microwave heating cavity (30) includes a side cavity (31) and a middle communicating cavity (32) that are connected to each other, and the side cavity (31) A magnetron for generating microwaves is set in the middle; a baffle is set between the middle connecting cavity (32) and the side cavity (31), and the hand mold (53) moves in the side cavity (31) to connect the transmission of the hand mold (53) The chain (55) moves in the middle connecting cavity (32); the microwave heating cavity (30) also includes a power box (37) fixedly connected to the outside.
A microwave heating device for disposable gloves according to claim 4, characterized in that the side cavity (31) is a U-shaped cavity, and the U-shaped opening faces the middle connecting cavity (32), and the U-shaped cavity bends It is connected through an inclined surface, and a waveguide (36) connected with the side cavity (31) is provided on the inclined surface. The microwave generated by the magnetron enters the side cavity (31) through the waveguide (36).
A microwave heating device for disposable gloves according to claim 4, characterized in that the magnetron is arranged in the magnetron cavity (35), and a cooling water pipeline is arranged in the magnetron cavity (35). The cooling water pipeline is connected with the cooling water inlet and outlet (34), and cold water is continuously passed into the cooling water pipeline. But water.
A microwave heating device for disposable gloves according to claim 4, characterized in that the number of side chambers (31) is two, which are respectively connected to opposite sides of the central communication chamber (32).
A microwave heating device for disposable gloves according to claim 1, characterized in that the microwave recovery section is composed of absorbing cavities (10), and the number of the absorbing cavities (10) is one or more .
A microwave heating device for disposable gloves according to claim 8, characterized in that an absorbing material is provided on the inner wall of the absorbing cavity (10), a water tank is provided on the absorbing cavity (10), and the water tank is continuously ventilated. Add the water to be heated.
A microwave heating device for disposable gloves according to claim 9, characterized in that a first water tank (12) and a second water tank (13) are arranged side by side on one side of the absorbing cavity (10), and on the other side A third water tank (14) and a fourth water tank (15) are arranged side by side on the surface. The first water tank (12) and the second water tank (13) are connected through a middle connecting pipe (16). The third water tank (14) and the fourth water tank (15) are The water tank (15) is connected through the middle connecting pipe (16), the first water tank (12) and the third water tank (14) are connected through the upper and lower connecting pipes (17), and the first main pipe (191) passes through the first branch pipe (181) to The second water tank (13) continues to input water to be cooled, and the fourth water tank (15) outputs heated water to the second main pipe (192) through the second water tank branch pipe (182).
A microwave heating device for disposable gloves according to claim 1, characterized in that the microwave frequency generated by the microwave generating device is 915 MHz.
A microwave heating device for disposable gloves according to claim 3, characterized in that the microwave heating cavity (30) is connected with the ventilation cavity (61), and the ventilation cavity (61) is provided with a vent.