Autophoretic paint drying furnace

Abstract

The utility model relates to the technical field of autophoretic paint drying furnaces, and discloses an autophoretic paint drying furnace which comprises a drying furnace body, the top of the drying furnace body is fixedly connected with a catenary conveying system, and the left side of the bottom of the drying furnace body is fixedly connected with a rapid heating section circulating fan. The right side of the rapid heating section circulating fan is fixedly connected with a rapid heating section combustor, the right side of the rapid heating section combustor is fixedly connected with a rapid heating section heating chamber, and the right side of the rapid heating section heating chamber is fixedly connected with a first temperature maintaining section circulating fan; and the right side of the temperature maintaining section circulating fan I is fixedly connected with a temperature maintaining section heating chamber. According to the self-adaptive drying furnace, the self-adaptive drying furnace is suitable for the drying furnace with the special requirement for autophoresis drying, the requirement for drying autophoresis paint is met, meanwhile, the matrix type air supply assembly achieves multi-style adjustment of the drying furnace, the application field of the drying furnace is widened, and therefore it can be ensured that the self-adaptive drying furnace is environmentally friendly and capable of saving energy.

Description

TECHNICAL FIELD

[0001] The utility model relates to self -swimming paint drying furnace technical field especially relates to a self -swimming paint drying furnace. BACKGROUND

[0002] The furnace body shell of self -swimming paint drying furnace adopts metal material, in order to guarantee good heat preservation performance, the inside shell will set up the heat preservation layer, generally is by rock wool, aluminium silicate fiber heat preservation material constitutes, these heat preservation materials can effectively reduce heat loss, improve the energy utilization efficiency of drying furnace, the shape and size of furnace body according to actual production demand, some tunnel type and box type, tunnel type drying furnace is suitable for continuous large -scale production, the workpiece after self -swimming paint coating passes through the tunnel on the conveyer belt and completes drying, and the box type drying furnace is more suitable for small -batch production or experimental research, and the workpiece is placed in the box in batches and dried.

[0003] In coating production, the workpiece is subjected to self -swimming coating process, and a layer of continuous and uniform paint film is deposited on the surface of the workpiece, in order to obtain the best adhesion and corrosion resistance of the self -swimming paint film, after the workpiece enters the oven, the surface temperature of the workpiece must reach 90 degrees within the first ten minutes, and then the surface temperature of the workpiece is maintained at 88 to 120 degrees, and the time is at least 30 minutes, especially for thick cast iron parts, the air speed in the drying channel is not less than 2-3 m / s.

[0004] The furnace door is an important part of the drying furnace, and the main function is to maintain the sealing of the furnace during the drying process, so as to cooperate with the continuous conveying of the self -swimming liquid tank by the hanging conveying chain, if the traditional hot air circulation oven is used, the resin component in the self -swimming paint needs to be fully crosslinked and cured under appropriate temperature and time conditions, so that the drying temperature is too low and the time is too short, the paint film will be soft, and the hardness cannot meet the requirements, so the use effect of the paint surface is reduced. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides a self -swimming paint drying furnace, which aims at improving the problem that the resin component in the self -swimming paint needs to be fully crosslinked and cured under appropriate temperature and time conditions in the prior art, so that the drying temperature is too low and the time is too short, the paint film will be soft, and the hardness cannot meet the requirements, so the use effect of the paint surface is reduced.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a self-swimming paint drying furnace, including drying furnace body, the top of drying furnace body is fixedly connected with catenary conveying system, the bottom left side of drying furnace body is fixedly connected with quick heating section circulating fan, the right side of quick heating section circulating fan is fixedly connected with quick heating section combustion machine, the right side of quick heating section combustion machine is fixedly connected with quick heating section heating chamber, the right side of quick heating section heating chamber is fixedly connected with maintaining temperature section circulating fan no.

[0007] As further description of the above technical scheme:

[0008] The top left side of the outlet bridge section is fixedly connected with the quick heating section air supply box, the right side of the quick heating section air supply box is communicated with the quick heating section air supply channel, the right side bottom of the quick heating section air supply channel is communicated with the maintaining temperature section return air outlet, the right side of the maintaining temperature section combustion machine is fixedly connected with the inlet bridge section, the bottom right side of the outlet bridge section is communicated with the maintaining temperature section air supply channel, and the right side of the maintaining temperature section air supply channel is communicated with the maintaining temperature section air supply box.

[0009] As further description of the above technical scheme:

[0010] The top of the maintaining temperature section air supply channel is fixedly connected with the maintaining temperature section air supply regulating valve.

[0011] As further description of the above technical scheme:

[0012] The right side of the catenary conveying system is communicated with the outlet gas collecting hood.

[0013] As further description of the above technical scheme:

[0014] The right side top of the outlet bridge section is communicated with the quick heating section return air outlet.

[0015] As further description of the above technical scheme:

[0016] The left side top of the maintaining temperature section air supply box is communicated with the air outlet.

[0017] As further description of the above technical scheme:

[0018] The bottom of the rapid temperature rising section air supply box is communicated with a rapid temperature rising section air supply adjusting valve.

[0019] The utility model has the advantages of the following:

[0020] 1. The drying furnace suitable for self-swimming drying special requirements is developed in the utility model, the drying needs of self-swimming paint are met, the matrix type air supply assembly is designed, the drying furnace multi-style adjustment is realized, the application field of the drying furnace is widened, and thus the self-adaptive drying furnace of environmental protection and energy saving can be ensured.

[0021] 2. The air outlet air speed of the air outlet is adjusted by adjusting the air outlet size of the rapid temperature rising section circulating fan, the air speed of the workpiece surface is adjusted, the rapid temperature rising section air supply adjusting valve and the air outlet are adjusted, the uniformity of the circulating air is adjusted, and the furnace temperature uniformity of the rapid temperature rising section of the drying furnace is realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A drying furnace body front side perspective view of a self-swimming paint drying furnace is provided for the utility model;

[0023] Figure 2 A rapid temperature rising section heating chamber structure view of a self-swimming paint drying furnace is provided for the utility model;

[0024] Figure 3 A maintenance temperature section air supply duct sectional view of a self-swimming paint drying furnace is provided for the utility model;

[0025] Figure 4 A maintenance temperature section air supply adjusting valve structure display view of a self-swimming paint drying furnace is provided for the utility model;

[0026] Figure 5 A rapid temperature rising section air supply duct structure schematic view of a self-swimming paint drying furnace is provided for the utility model.

[0027] LEGEND:

[0028] 1, drying furnace furnace body; 2, fast temperature rising section circulating fan; 3, fast temperature rising section combustion machine; 4, fast temperature rising section heating chamber; 5, maintain temperature section circulating fan one; 6, maintain temperature section heating chamber; 7, maintain temperature section circulating fan two; 8, export bridge section; 9, fast temperature rising section air supply box; 10, fast temperature rising section air supply regulating valve; 11, fast temperature rising section air supply channel; 12, air outlet; 13, catenary conveying system; 14, maintain temperature section air supply channel; 15, maintain temperature section air supply regulating valve; 16, maintain temperature section air supply box; 17, fast temperature rising section temperature sensor; 18, import air curtain system; 19, maintain temperature section combustion machine; 20, export gas collecting hood; 21, maintain temperature section temperature sensor; 22, fast temperature rising section return air outlet; 23, maintain temperature section return air outlet; 24, import bridge section. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0030] Please refer to the drawings of the embodiments of the present application Figure 1 - the drawings of the embodiments of the present application Figure 3The utility model provides an embodiment: a kind of self-swimming paint drying furnace, the top right side of drying furnace furnace body 1 is fixedly connected with catenary conveying system 13, can stably carry and transport various materials, ensure that material can smoothly pass through entire drying furnace in drying process, catenary conveying system 13 is very stable in operation, hardly hear any noise, provide a quiet and comfortable working environment for operator, the bottom left side of drying furnace furnace body 1 is fixedly connected with quick heating section circulating fan 2, can rapidly and evenly distribute hot air in drying furnace, greatly improve drying efficiency, the right side of quick heating section circulating fan 2 is fixedly connected with quick heating section combustion machine 3, the efficient operation of quick heating section circulating fan 2, so that material can rapidly reach required temperature after entering drying furnace, to shorten the entire drying cycle, the right side of quick heating section combustion machine 3 is fixedly connected with quick heating section heating chamber 4, the right side of quick heating section heating chamber 4 is fixedly connected with maintaining temperature section circulating fan one 5, the right side of maintaining temperature section circulating fan one 5 is fixedly connected with maintaining temperature section heating chamber 6, the right side of maintaining temperature section heating chamber 6 is fixedly connected with maintaining temperature section circulating fan two 7, the frequency conversion technology of this maintaining temperature section circulating fan two 7, can be automatically regulated wind speed according to the drying demand of material, ensure that the temperature fluctuation of material in drying process minimizes, the right side of maintaining temperature section circulating fan two 7 is fixedly connected with outlet bridge section 8, the top of quick heating section heating chamber 4 is fixedly connected with quick heating section temperature sensor 17, this quick heating section temperature sensor 17 can monitor the temperature change in heating chamber in real time, ensure that material is always in optimum temperature state in drying process, the bottom of quick heating section combustion machine 3 is fixedly connected with maintaining temperature section temperature sensor 21, this maintaining temperature section temperature sensor 21 can monitor the temperature state of combustion machine in real time, ensure that it operates in safe and efficient temperature range, the right side of maintaining temperature section heating chamber 6 is fixedly connected with maintaining temperature section combustion machine 19, the right side of maintaining temperature section combustion machine 19 is fixedly connected with import air curtain system 18, this import air curtain system 18 can effectively block cold air, ensure the stability and efficiency of drying process, the top of maintaining temperature section air supply duct 14 is fixedly connected with maintaining temperature section air supply regulating valve 15;

[0031] Please refer to the attached Figure 4 - attached Figure 5The left side of the top of the outlet bridge rising section 8 is fixedly connected with a quick temperature rising section air supply box 9, the right side of the quick temperature rising section air supply box 9 is communicated with a quick temperature rising section air supply channel 11, the right side of the quick temperature rising section air supply box 9 is communicated with the quick temperature rising section air supply channel 11, the right bottom of the quick temperature rising section air supply channel 11 is communicated with a maintaining temperature section return air outlet 23, the maintaining temperature section return air outlet 23 considers the heat energy recovery efficiency, so as to reduce energy waste, the right bottom of the quick temperature rising section air supply channel 11 is communicated with the maintaining temperature section return air outlet 23, the right side of the maintaining temperature section combustion machine 19 is fixedly connected with an inlet bridge rising section 24, the right side of the inlet bridge rising section 24 is stably connected with the maintaining temperature section combustion machine 19, so as to ensure that the maintaining temperature section combustion machine 19 can stably provide necessary heat energy for the whole system, the bottom right side of the outlet bridge rising section 8 is communicated with a maintaining temperature section air supply channel 14, the right side of the maintaining temperature section air supply channel 14 is communicated with a maintaining temperature section air supply box 16, the right side of the catenary conveying system 13 is communicated with an outlet gas collecting hood 20, the outlet gas collecting hood 20 collects waste gas generated in the production process;

[0032] Please refer to the attached drawings Figure 1 The drawings Figure 3 The right top of the outlet bridge rising section 8 is communicated with a quick temperature rising section return air outlet 22, the left top of the maintaining temperature section air supply box 16 is communicated with an air outlet 12, the left top of the maintaining temperature section air supply box 16 is also provided with the air outlet 12, so as to uniformly distribute heat flow in the process of maintaining constant temperature, and ensure the temperature stability of the whole system, the bottom of the quick temperature rising section air supply box 9 is communicated with a quick temperature rising section air supply adjusting valve 10, which can not only accurately control the air supply amount, but also automatically adjust the air volume according to real-time temperature feedback, so as to achieve the purpose of quick temperature rising.

[0033] Working principle: after the workpiece is processed in the self-swimming process section, the workpiece is suspended and conveyed by the catenary conveying system 13, continuously passes through the rapid heating section of the drying furnace at a certain process chain speed. The rapid heating time is about ten minutes, and the surface temperature of the workpiece rises to ninety degrees. The workpiece enters the temperature maintaining section from the rapid heating section. The workpiece still passes through the temperature maintaining section of the drying furnace at the process chain speed of the previous section. The matrix type air supply assembly composed of the rapid heating section air supply box 9, the rapid heating section air supply adjusting valve 10, the rapid heating section air supply channel 11 and the air outlet 12 is the main part of the drying furnace to ensure uniform circulating air and air speed. The rapid heating section combustion machine 3 burns to heat air. The rapid heating section circulating fan 2 sends hot air to the matrix type air supply assembly. The hot air is uniformly blown to the surface of the workpiece through the air outlet 12 at a certain air speed. The hot air passes through the rapid heating section air return port 22 and returns to the rapid heating section heating chamber 4, completing the hot air circulation in the drying furnace and realizing rapid heating of the workpiece. By adjusting the air volume of the rapid heating section circulating fan 2, the air speed of the air outlet 12 is adjusted, and the air speed blowing to the surface of the workpiece is adjusted. By adjusting the rapid heating section air supply adjusting valve 10 and the air outlet 12, the uniformity of the circulating air is adjusted, and the uniformity of the furnace temperature of the rapid heating section of the drying furnace is realized.

[0034] The matrix type air supply assembly composed of the temperature maintaining section air supply channel 14, the temperature maintaining section air supply adjusting valve 15 and the air outlet 12 is the main part of the drying furnace to ensure uniform circulating air and air speed. The temperature maintaining section combustion machine 19 burns to heat air. The temperature maintaining section circulating fan 1 5 sends hot air to the matrix type air supply assembly. The hot air is uniformly blown to the surface of the workpiece through the air outlet 12 at a certain air speed. The hot air passes through the temperature maintaining section air return port 23 and returns to the temperature maintaining section heating chamber 6, completing the hot air circulation in the drying furnace and realizing temperature maintaining of the workpiece. By adjusting the air volume of the temperature maintaining section circulating fan 1 5, the air speed of the air outlet 12 is adjusted, and the air speed blowing to the surface of the workpiece is adjusted. By adjusting the temperature maintaining section air supply adjusting valve 15 and the air outlet 12, the uniformity of the circulating air is adjusted, and the uniformity of the temperature maintaining section of the drying furnace is realized.

[0035] The drying furnace automatic control system automatically controls the circulating fan air volume, combustion machine output size and adjusting air valve opening degree of the drying furnace through the rapid heating section temperature sensor 17 and the temperature maintaining section temperature sensor 21, realizes automatic operation of the rapid heating and temperature maintaining system of the drying furnace, adjusts the heating power of the drying furnace as needed, and effectively reduces heat overflow of the drying furnace through the setting of the outlet bridge section 8, the inlet bridge section 24, the inlet air curtain system 18 and the outlet gas collector 20, thereby saving energy and reducing consumption. The entire drying furnace is further towards environmental protection and energy saving.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A self-propelled paint stoving oven comprising a stoving oven body (1), characterized in that: The top right side of the drying furnace body (1) is fixedly connected with a catenary conveying system (13), the bottom left side of the drying furnace body (1) is fixedly connected with a rapid heating section circulating fan (2), the right side of the rapid heating section circulating fan (2) is fixedly connected with a rapid heating section combustion machine (3), the right side of the rapid heating section combustion machine (3) is fixedly connected with a rapid heating section heating chamber (4), the right side of the rapid heating section heating chamber (4) is fixedly connected with a maintenance temperature section circulating fan one (5), the right side of the maintenance temperature section circulating fan one (5) is fixedly connected with a maintenance temperature section heating chamber (6), the right side of the maintenance temperature section heating chamber (6) is fixedly connected with a maintenance temperature section circulating fan two (7), the right side of the maintenance temperature section circulating fan two (7) is fixedly connected with an outlet bridge section (8), the top of the rapid heating section heating chamber (4) is fixedly connected with a rapid heating section temperature sensor (17), the bottom of the rapid heating section combustion machine (3) is fixedly connected with a maintenance temperature section temperature sensor (21), the right side of the maintenance temperature section heating chamber (6) is fixedly connected with a maintenance temperature section combustion machine (19), and the right side of the maintenance temperature section combustion machine (19) is fixedly connected with an import air curtain system (18).

2. A self-phoretic paint drying oven according to claim 1, wherein: The top left side of the outlet bridge section (8) is fixedly connected with a rapid heating section air supply box (9), the right side of the rapid heating section air supply box (9) is communicated with a rapid heating section air supply channel (11), the right side bottom of the rapid heating section air supply channel (11) is communicated with a maintenance temperature section return air port (23), the right side of the maintenance temperature section combustion machine (19) is fixedly connected with an import bridge section (24), the bottom right side of the outlet bridge section (8) is communicated with a maintenance temperature section air supply channel (14), and the right side of the maintenance temperature section air supply channel (14) is communicated with a maintenance temperature section air supply box (16).

3. A self-levelling paint stoving oven according to claim 2, characterised in that: The top of the maintenance temperature section air supply channel (14) is fixedly connected with a maintenance temperature section air supply adjusting valve (15).

4. A self-levelling paint stoving oven according to claim 1, characterised in that: The right side of the catenary conveying system (13) is communicated with an outlet gas collecting cover (20).

5. A self-levelling paint stoving oven according to claim 1, characterised in that: The right top of the outlet bridge section (8) is communicated with a rapid heating section return air port (22).

6. A self-levelling paint stoving oven according to claim 2, characterised in that: The left top of the maintenance temperature section air supply box (16) is communicated with an air outlet (12).

7. A self-levelling paint stoving oven according to claim 2, characterised in that: The bottom of the rapid heating section air supply box (9) is communicated with a rapid heating section air supply adjusting valve (10).

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