Surface coating curing circulation heating equipment for spraying equipment

Abstract

The present invention relates to the technical field of high-temperature curing, and discloses a surface coating curing circulation heating device for a spraying device, comprising: a curing mechanism and a cooling mechanism; the curing mechanism comprises a first curing box, a heating mechanism and a circulation mechanism, the cooling mechanism comprises a second curing box and a temperature regulator, and the first curing box and the second curing box are respectively provided with an inlet and an outlet on both sides; through the design of the first curing box and the second curing box, curing and subsequent curing cooling work are realized, and work efficiency is increased, and heat treatment heating of air is realized through a resistance mechanism, and a water heat box is provided on the outside of a heating pipe during heating, and the heat generated when the resistance mechanism is heated by a steam mechanism is reused, and the protective door can be closed to remind the staff of temperature changes, and the second curing box can be preheated and insulated through a connecting pipe to realize heat recycling.

Description

Technical Field

[0001] The invention relates to the technical field of spraying curing heating equipment, in particular to surface coating curing circulation heating equipment for spraying devices. Background Art

[0002] Powder spray curing technology first sprays the surface of the workpiece to form a thin and uniform powder coating on the surface of the workpiece, and then heats and cures the coating through a curing device to make it durable. According to the curing method, it is divided into hot air circulation heating curing, infrared heating curing and ultraviolet light curing. Curing equipment is needed when curing the paint into a film;

[0003] Traditional hot air circulation heating curing heats the air inside the curing box to a specified temperature through a heating device, and then slowly lowers the temperature after the coating is cured. After the curing cooling is completed, it is taken out to complete the curing work. However, the traditional heating of the air to the specified temperature requires a long time of equipment heating, and after the heating is completed, the hot air is directly discharged into the air after curing, which is wasteful and leads to a waste of resources. In addition, in traditional heating, only one group of parts is heated, so the curing efficiency is relatively low.

[0004] In view of the above problems, a surface coating curing circulation heating device for a spraying device is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a surface coating curing circulation heating device for a spraying device, which solves the problem that the existing curing equipment in the background technology has low curing efficiency and can only slowly cure in groups, and the problem that a group of curing boxes waste hot air after curing.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a surface coating curing circulation heating device for a spraying device, comprising: a curing mechanism and a cooling mechanism; the curing mechanism includes a first curing box, a heating mechanism and a circulation mechanism, the cooling mechanism includes a second curing box and a temperature regulator, the first curing box and the second curing box are respectively provided with an inlet and an outlet on both sides, the second curing box is located on the outside of the first curing box near the outlet, the interior of the first curing box is located on one side of the outlet and is connected to a ventilation groove, the interior of the ventilation groove is provided with a ventilation mechanism, the rear surface of the first curing box is fixedly connected with a heating mechanism, the heating mechanism is provided with a resistance mechanism and a steam mechanism, the ventilation groove and the steam mechanism are connected through the ventilation mechanism, the first curing box and the resistance mechanism are connected through a circulation pipe in the circulation mechanism, the interior of the second curing box is fixedly connected with a temperature regulator, and the second curing box and the first curing box are connected through a hot air pipe.

[0007] As a further description of the above technical solution: the heating mechanism includes an air heat box and a water heat box, the air heat box is provided with a resistance mechanism inside, the resistance mechanism includes a voltage regulator, a heating tube and a resistance wire, the air heat box is fixedly connected with the voltage regulator inside, the outer wall of the output end of the voltage regulator is fixedly connected with the heating tube, the inside of the heating tube is fixedly connected with a coaxially distributed resistance wire, the resistance wire is fixedly connected to the voltage regulator, the air heat box is fixedly connected with the water heat box inside, the water heat box is provided with a steam mechanism inside, the steam mechanism includes a conduit and a steam pipe, the upper surface of the water heat box is provided with an air hole compatible with the heating pipe, the upper surface of the water heat box is located outside the air hole and is fixedly connected with a conduit, the inner wall of the air heat box is fixedly connected with the steam pipe, and the steam pipe is communicated with the conduit.

[0008] As a further description of the above technical solution: the ventilation mechanism includes an air duct, an air duct box, a push pipe and an exhaust pipe, the interior of the ventilation groove is fixedly connected to the air duct box, the interior of the air duct box is connected to the air duct, the push pipe and the exhaust pipe, the air duct is connected to the steam pipe, the interior of the air duct box is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a rotating pipe, the rotating pipe is rotatably connected to the exhaust pipe, and the inner side wall of the rotating pipe is slidably connected to a first sealing gasket and a second sealing gasket.

[0009] As a further description of the above technical solution: a telescopic rod is fixedly connected to the inside of the rotating tube, the top of the telescopic rod is fixedly connected to the first sealing gasket, and the outer side walls of the air guide pipe, exhaust pipe and push pipe are all provided with connecting holes, which are adapted to the first sealing gasket and the second sealing gasket.

[0010] As a further description of the above technical solution: a sliding rod is fixedly connected to the interior of the ventilation groove, a protective door is slidably connected to the outer wall of the sliding rod, the protective door is fixedly connected to the push tube, and the push tube is a telescopic hose.

[0011] As a further description of the above technical solution: a thermal insulation preheating layer is provided inside the second curing box, and the thermal insulation preheating layer is connected to the exhaust pipe through a connecting pipe.

[0012] As a further description of the above technical solution: a rubber strip is fixedly connected to the inner wall of the ventilation groove, and the rubber strip is in contact with the protective door.

[0013] As a further description of the above technical solution: the inner upper surfaces of the first curing box and the second curing box are both provided with slide rails.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The surface coating curing circulation heating equipment for the spraying device provided by the present invention realizes curing and subsequent curing cooling work through the design of the first curing box and the second curing box, thereby increasing work efficiency. The heat treatment heating of the air is realized through the resistance mechanism, and a water heat box is provided on the outside of the heating tube during heating. The heat generated when the resistance mechanism is heated by the steam mechanism is reused, the protective door can be closed to remind the staff of the temperature change, and the second curing box can be preheated and insulated through the connecting pipe to realize the recycling of heat.

[0016] The surface coating curing circulating heating equipment for the spraying device provided by the present invention realizes that the motor drives the rotating pipe to rotate through the device in the ventilation mechanism, and selects to contact with the corresponding air duct or exhaust pipe, and then drives the corresponding movement of the first sealing gasket and the second sealing gasket through the extension and retraction of the telescopic rod, so that the steam enters the corresponding pipeline. When entering the push pipe, the push pipe moves the protective door. When entering the exhaust pipe, the water vapor can be reused and enter the thermal insulation preheating layer in the second curing box through the hot air pipe for preheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a rear view structural schematic diagram of the present invention;

[0019] Figure 3 It is a schematic diagram of the top view of the curing mechanism in the present invention;

[0020] Figure 4 It is a cross-sectional structural schematic diagram of the curing mechanism in the present invention;

[0021] Figure 5 Schematic diagram of the internal structure of the air guide box in the present invention;

[0022] Figure 6 It is a schematic diagram of the internal cross-sectional structure of the air guide box in the present invention.

[0023] In the figure: 1, curing mechanism; 2, cooling mechanism; 3, first curing box; 301, entrance; 302, entrance and exit; 4, heating mechanism; 401, air heating box; 402, water heating box; 5, circulation mechanism; 501, circulation pipe; 6, second curing box; 7, temperature regulator; 8, ventilation slot; 801, slide bar; 802, protection door; 9, resistance mechanism; 901, voltage regulator; 902, heating pipe; 903, resistance wire; 10, steam mechanism; 10 01. conduit; 1002. steam pipe; 1003. air vent; 11. ventilation mechanism; 1101. air guide pipe; 1102. air guide box; 1103. push pipe; 1104. exhaust pipe; 1105. motor; 1106. rotating pipe; 1107. first sealing gasket; 1108. second sealing gasket; 1109. telescopic rod; 1110. connecting hole; 12. hot air pipe; 13. thermal insulation preheating layer; 14. connecting pipe; 15. rubber strip; 16. slide rail. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0026] Combination Figure 1-Figure 6, including; a curing mechanism 1 and a cooling mechanism 2; the curing mechanism 1 includes a first curing box 3, a heating mechanism 4 and a circulation mechanism 5, the heating mechanism 4 heats the internal air to a specified temperature, and then the circulation mechanism 5 realizes the curing work at the specified temperature inside the first curing box 3, the cooling mechanism 2 includes a second curing box 6 and a temperature regulator 7, cooling down to ensure a better curing rate, the first curing box 3 and the second curing box 6 are respectively provided with an inlet 301 and an outlet 302 on both sides, the second curing box 6 is located on the outside of the first curing box 3 near the outlet 302, and the interior of the first curing box 3 is located on one side of the outlet 302 and is connected to a ventilation groove 8 , a ventilation mechanism 11 is provided inside the ventilation groove 8, and the ventilation mechanism 11 realizes gas recycling. A heating mechanism 4 is fixedly connected to the rear surface of the first curing box 3, and a resistance mechanism 9 and a steam mechanism 10 are provided inside the heating mechanism 4. The resistance mechanism 9 heats the air, and the steam mechanism 10 heats the water, and the resistance mechanism 9 is used for synchronous heating. The ventilation groove 8 and the steam mechanism 10 are connected through the ventilation mechanism 11, and the first curing box 3 and the resistance mechanism 9 are connected through the circulation pipe 501 in the circulation mechanism 5. A temperature regulator 7 is fixedly connected inside the second curing box 6, and the second curing box 6 and the first curing box 3 are connected through a hot air pipe 12;

[0027] The steam mechanism 10 is installed outside the resistance mechanism 9 and water is injected. Then, the hot air is heated in the resistance mechanism 9 and the water in the steam mechanism 10 is heated at the same time. When a certain temperature is reached, the water generates steam to close the inlet and outlet 302, and can assist in heat preservation and heating treatment. Then the air is continuously heated and input into the first curing box 3 through the circulation pipe 501 for curing treatment.

[0028] Combination Figure 1 and Figure 3The heating mechanism 4 includes an air heat box 401 and a water heat box 402. The air heat box 401 is provided with a resistance mechanism 9 inside. The resistance mechanism 9 includes a voltage regulator 901, a heating tube 902 and a resistance wire 903. The air heat box 401 is fixedly connected with the voltage regulator 901 inside. The outer wall of the output end of the voltage regulator 901 is fixedly connected with the heating tube 902. The heating tube 902 is fixedly connected with a coaxially distributed resistance wire 903 inside. The resistance wire 903 is fixedly connected to the voltage regulator 901. The air heat box 401 is fixedly connected with the water heat box 402 inside. The water heat box 402 is provided with a steam mechanism 10 inside. The steam mechanism 10 includes It contains a conduit 1001 and a steam pipe 1002. The upper surface of the water heat box 402 is provided with an air hole 1003 that matches the heating pipe 902. The upper surface of the water heat box 402 is located outside the air hole 1003 and is fixedly connected with the conduit 1001. The inner wall of the air heat box 401 is fixedly connected with the steam pipe 1002. The steam pipe 1002 is connected to the conduit 1001. The water heat box 402 is filled with water. When the heating pipe 902 is heated, the water is heated. Since the air temperature is required to be higher than the boiling point of water, steam is inevitably generated on the water. The steam enters the conduit 1001 along the air hole 1003 and then flows into the steam pipe 1002 for utilization.

[0029] Combination Figure 4 , Figure 5 and Figure 6The ventilation mechanism 11 includes an air guide pipe 1101, an air guide box 1102, a push pipe 1103 and an exhaust pipe 1104. The interior of the ventilation groove 8 is fixedly connected to the air guide box 1102. The interior of the air guide box 1102 is connected to the air guide pipe 1101, the push pipe 1103 and the exhaust pipe 1104. The air guide pipe 1101 is connected to the steam pipe 1002. The interior of the air guide box 1102 is fixedly connected to the motor 1105. The output shaft of the motor 1105 is fixedly connected to the exhaust pipe 1104. A rotating tube 1106 is connected, the rotating tube 1106 is rotatably connected to the exhaust pipe 1104, the inner wall of the rotating tube 1106 is slidably connected with a first sealing gasket 1107 and a second sealing gasket 1108, the interior of the rotating tube 1106 is fixedly connected with a telescopic rod 1109, the top of the telescopic rod 1109 is fixedly connected to the first sealing gasket 1107, and the outer walls of the air guide pipe 1101, the exhaust pipe 1104 and the push pipe 1103 are all provided with a connecting hole 1110, and the connecting hole 1110 is compatible with the first sealing gasket 1107 and the second sealing gasket 1108. The interior of the ventilation groove 8 is fixedly connected with a sliding rod 801. The outer wall of the sliding rod 801 is slidably connected with a protective door 802. The protective door 802 is fixedly connected with the push pipe 1103. The push pipe 1103 is a telescopic hose. Water vapor enters the air guide pipe 1101 from the steam pipe 1002, and then enters the air guide box 1102. The motor 1105 drives the rotating pipe 1106 to rotate and selects to contact the corresponding air guide pipe 1101 or the exhaust pipe 1104. Then, through the extension and retraction of the telescopic rod 1109, the first sealing gasket 1107 and the second sealing gasket 1108 are driven to move accordingly, so that the steam enters the corresponding pipeline. When entering the push pipe 1103, the push pipe 1103 moves the protective door 802. When entering the exhaust pipe 1104, the water vapor can be reused and enter the second curing box 6 through the hot air pipe 12 for preheating.

[0030] Combination Figure 2 and Figure 4 A thermal insulation preheating layer 13 is provided inside the second curing box 6, and the thermal insulation preheating layer 13 is connected to the exhaust pipe 1104 through a connecting pipe 14. A rubber strip 15 is fixedly connected to the inner wall of the ventilation groove 8, and the rubber strip 15 is in contact with the protective door 802. Slide rails 16 are provided on the inner upper surfaces of the first curing box 3 and the second curing box 6. Water vapor enters the thermal insulation preheating layer 13 for preheating and heat preservation treatment to prepare the basic temperature for subsequent cooling. The rubber strip 15 increases the sealing effect, and the slide rail 16 facilitates the movement of parts and equipment.

[0031] Working principle: fill the water heating box 402 with water, then start the voltage regulator 901 to heat the heating tube 902. When the heating tube 902 is heated, the water is heated. Since the air temperature requirement is higher than the boiling point of water, steam will inevitably be generated on the water. The steam enters the conduit 1001 through the air vent 1003, and then flows into the steam pipe 1002 for use. The motor 1105 drives the rotating tube 1106 to rotate, and selects to contact the corresponding exhaust pipe 1104. Then, through the extension and contraction of the telescopic rod 1109, the first sealing gasket 1107 and the second sealing gasket 1108 are driven to move accordingly. The water vapor enters the air guide box 1102 along the air guide pipe 1101, and then enters the push pipe 1103, allowing the protective door 8 to be opened. 02 is closed, and the staff is reminded to preheat to the boiling point of water. With continuous heating, the motor 1105 rotates again, driving the rotating tube 1106 to disengage from the exhaust pipe 1104, and the telescopic rod 1109 drives the second sealing gasket 1108 to close the connecting hole 1110 in the push tube 1103. The water vapor enters the thermal insulation preheating layer 13 in the second curing box 6 along the connecting pipe 14 for thermal insulation preheating. Finally, the air is continuously heated and then cured through the circulation pipe 501 in the first curing box 3. The hot air can be allowed to enter the second curing box 6 along the hot air pipe 12 for cooling. The temperature change is monitored by the temperature regulator 7, thereby realizing assembly line curing and cooling, and increasing work efficiency.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Surface coating curing circulation heating equipment for spraying device, characterized by: include; A curing mechanism (1) and a cooling mechanism (2); The curing mechanism (1) comprises a first curing box (3), a heating mechanism (4) and a circulation mechanism (5); the cooling mechanism (2) comprises a second curing box (6) and a temperature regulator (7); an inlet (301) and an outlet (302) are respectively provided on both sides of the first curing box (3) and the second curing box (6); the second curing box (6) is located on the outside of the first curing box (3) near the outlet (302); a ventilation groove (8) is provided inside the first curing box (3) and is connected to the outlet (302); a ventilation mechanism (11) is provided inside the ventilation groove (8); and the first curing box (3) is provided with a ventilation channel (31) and a ventilation channel (32) arranged on the inside of the first curing box (3). ) is fixedly connected to the rear surface of the first curing box (6), the heating mechanism (4) is provided with a resistance mechanism (9) and a steam mechanism (10), the ventilation groove (8) and the steam mechanism (10) are connected via the ventilation mechanism (11), the first curing box (3) and the resistance mechanism (9) are connected via a circulation pipe (501) in the circulation mechanism (5), the interior of the second curing box (6) is fixedly connected with a temperature regulator (7), and the second curing box (6) and the first curing box (3) are connected via a hot air pipe (12); the steam mechanism (10) comprises a conduit (1001) and a steam pipe (1002); The ventilation mechanism (11) comprises an air guide pipe (1101), an air guide box (1102), a push pipe (1103) and an exhaust pipe (1104); the interior of the ventilation groove (8) is fixedly connected to the air guide box (1102); the interior of the air guide box (1102) is connected to the air guide pipe (1101), the push pipe (1103) and the exhaust pipe (1104); the air guide pipe (1101) is connected to the steam pipe (1002); the interior of the air guide box (1102) is fixedly connected to a motor (1105); the output shaft of the motor (1105) is fixedly connected to a rotating pipe (1106); the rotating pipe (1106) is rotatably connected to the exhaust pipe (1104); and the inner side wall of the rotating pipe (1106) is slidably connected to a first sealing gasket (1107) and a second sealing gasket (1108).

2. The surface coating curing circulation heating device for a spraying device according to claim 1, characterized in that: The heating mechanism (4) comprises an air heating box (401) and a water heating box (402); a resistance mechanism (9) is provided inside the air heating box (401); the resistance mechanism (9) comprises a voltage regulator (901), a heating tube (902) and a resistance wire (903); the air heating box (401) is fixedly connected to the inside of the air heating box (401); the outer wall of the output end of the voltage regulator (901) is fixedly connected to the heating tube (902); the inside of the heating tube (902) is fixedly connected to a coaxially distributed resistance wire (903); the resistance wire (903) and the voltage regulator are fixedly connected to each other. The air heat box (401) is fixedly connected to a water heat box (402), the interior of the air heat box (401) is fixedly connected to the water heat box (402), a steam mechanism (10) is provided inside the water heat box (402), an air vent (1003) adapted to the heating tube (902) is provided on the upper surface of the water heat box (402), a conduit (1001) is fixedly connected to the upper surface of the water heat box (402) outside the air vent (1003), a steam pipe (1002) is fixedly connected to the inner wall of the air heat box (401), and the steam pipe (1002) is communicated with the conduit (1001).

3. The surface coating curing circulation heating device for a spraying device according to claim 1, characterized in that: A telescopic rod (1109) is fixedly connected to the interior of the rotating tube (1106), and the top end of the telescopic rod (1109) is fixedly connected to the first sealing gasket (1107). The outer side walls of the air guide tube (1101), the exhaust pipe (1104) and the push tube (1103) are all provided with connecting holes (1110), and the connecting holes (1110) are adapted to the first sealing gasket (1107) and the second sealing gasket (1108).

4. The surface coating curing circulation heating device for a spraying device according to claim 1, characterized in that: The interior of the ventilation groove (8) is fixedly connected to a sliding rod (801), the outer side wall of the sliding rod (801) is slidably connected to a protective door (802), the protective door (802) is fixedly connected to a push tube (1103), and the push tube (1103) is a telescopic hose.

5. The surface coating curing circulation heating device for a spraying device according to claim 1, characterized in that: A heat preservation and preheating layer (13) is provided inside the second curing box (6), and the heat preservation and preheating layer (13) is connected to the exhaust pipe (1104) via a connecting pipe (14).

6. The surface coating curing circulation heating device for a spraying device according to claim 4, characterized in that: A rubber strip (15) is fixedly connected to the inner wall of the ventilation groove (8), and the rubber strip (15) is in contact with the protective door (802).

7. The surface coating curing circulation heating device for a spraying device according to claim 1, characterized in that: Slide rails (16) are provided on the inner upper surfaces of the first curing box (3) and the second curing box (6).

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