CN218554651U

CN218554651U - Coating thermocuring device

Info

Publication number: CN218554651U
Application number: CN202222280965.3U
Authority: CN
Inventors: 张志宏; 肖雯雯; 曾文广; 刘青山; 葛鹏莉; 李君华
Original assignee: China Petroleum and Chemical Corp; Sinopec Northwest Oil Field Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Northwest Oil Field Co
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-03-03
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a coating thermocuring ware, including heating cabinet and sealing door, the heating cabinet has open-ended cavity heating cavity for one side, sets up the air pipe with external intercommunication on the heating cabinet, the opening quilt the sealing door is sealed or open, the interior bottom surface of heating cabinet, interior top surface, interior left surface and the four sides inner wall of interior right side are equipped with the heating device that the annular was arranged set up in the middle of the interior annular heating device of heating cavity and are scribbled the work piece and place the frame. The utility model discloses the heating device has been put to interior bottom surface, interior top surface, interior left surface and the four sides inner wall equipartition of interior right side of well heating box, has formed an annular heating cavity, is located annular heating device when being scribbled the work piece and place to erect and put in the heating cavity in the middle of, makes it puts and leaves the heating clearance between frame and heating device to be scribbled the work piece, but heating device hoop ground toasts being scribbled the work piece, and the temperature is more even in the heating box, is favorable to guaranteeing good stoving effect.

Description

Coating thermocuring device

Technical Field

The utility model relates to a coating thermocuring ware belongs to coating drying equipment technical field.

Background

The thermosetting powder coating is prepared by carrying out chemical crosslinking reaction on powder coating resin with small molecular weight and a curing agent under the condition of heating and baking to obtain a coating film with good performance, so that a coated workpiece can be protected. The coated workpiece is typically a corrosion resistant or decorative workpiece with high performance specifications, primarily a metal workpiece.

In the conventional thermocuring device, a heating device is generally disposed on one or two inner side walls of a heating chamber, the inner side walls are usually a left side wall and a right side wall, during drying, a plurality of coated workpieces are placed on the bottom surface of a heating box, and after the heating box is sealed, the heating device is started to perform heating and drying. Because the distance between the sample and the inner side wall is different, especially when only one inner side wall is provided with a heating device, the distance between the coated workpiece and the heating device is different, so that uneven heating and influenced coating quality are easily caused, and even uneven heating is more serious when the double surfaces of the coated workpiece are coated.

SUMMERY OF THE UTILITY MODEL

In order to solve current thermocuring ware and generally set up heating device on the left side wall and/or the right side wall of heating cavity, scribble the technical problem that the work piece heats inhomogeneously, scribble the film quality and receive the influence in the thermocuring ware, the utility model provides a coating thermocuring ware.

The technical scheme of the utility model:

a coating thermocuring device comprises a heating box and a sealing door, wherein the heating box is a hollow heating cavity with an opening at one side, a ventilating pipeline is arranged on the heating box, the opening is sealed or opened by the sealing door, heating devices are uniformly arranged on the inner bottom surface, the inner top surface, the inner left surface and the inner right surface of the heating box, so as to form an annular heating device, and a coated workpiece placing frame is arranged in the heating cavity in the middle of the annular heating device.

The sealing door is a drawer-type sealing door, the drawer-type sealing door is connected with the heating box in a sliding mode, the inner side face, facing the heating cavity, of the sealing door is fixedly connected with the coated workpiece placing frame, and when the sealing door seals the opening of the heating box, the coated workpiece placing frame is contained in the heating cavity.

The coated workpiece placing frame is a frame-shaped frame, the frame-shaped frame comprises a frame-shaped structure and a plurality of vertical blocking columns, the frame-shaped structure is surrounded by a cross rod and a vertical rod and has a depth, and when the sealing door seals the opening, a heating gap is formed between the frame-shaped structure and a heating device on the corresponding inner wall; the blocking columns are vertically arranged on the bottom layer framework of the frame-shaped structure at intervals.

The drawer type sealing door is connected with the heating box in a sliding mode through sliding rails, the two sliding rails are arranged in parallel, one end of each sliding rail is fixedly connected to the inner rear wall of the heating box, the other end of each sliding rail extends out of the heating box, and the sealing door is sleeved outside the sliding rails and is connected with the sliding rails in a sliding mode.

And a linear bearing is arranged at the sliding connection part of the sealing door and the sliding rail.

The bottom of the end, extending out of the heating box, of the sliding rail is connected with a supporting rod.

The inner side surface of the sealing door facing the heating cavity is provided with a high-temperature resistant sealing rubber strip at the joint of the inner side surface and the opening of the heating box.

And a magnetic attraction sheet is fixedly connected between the sealing rubber strip and the sealing door.

Including controller and proximity switch, heating device includes many parallel heating pipes, the heating pipe passes through the controller is connected with the power, be equipped with on the heating cabinet proximity switch, the controller with proximity switch electric connection.

Including temperature sensor, temperature sensor is located in the heating cavity, the controller with temperature sensor electric connection.

The technical effects of the utility model:

the utility model provides a coating thermocuring ware, heating device has been put to the four sides inner wall equipartition of interior bottom surface, interior top surface, interior left surface and interior right side of heating cabinet, has formed an annular heating cavity. When the coated workpiece placing frame is arranged in the heating cavity, the coated workpiece placing frame is positioned in the middle of the annular heating device, so that a heating gap is reserved between the coated workpiece placing frame and the heating device, the heating device can circumferentially bake the coated workpiece, the temperature in the heating box is ensured to be more uniform, a good drying effect is ensured, and the technical problems that the heating device is arranged on the left side wall and/or the right side wall, the coated workpiece is heated unevenly in the thermocuring device, and the coating quality is influenced are solved.

Drawings

FIG. 1 is a schematic view of an embodiment of a paint heat curing apparatus of the present invention;

fig. 2 is a schematic top view of an embodiment of a paint heat curing device according to the present invention.

Reference numerals are as follows: 1-a heating box, 2-a sealing door, 3-a ventilating duct, 4-a heating device, 5-a frame, 6-a blocking column, 7-a sliding rail, 8-a linear bearing, 9-a proximity switch and 10-a supporting rod.

Detailed Description

In order to make the technical means and effects of the present invention easily understood, a coating material heat curing device of the present application will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 2, a paint heat curing apparatus includes a heating box 1 and a sealing door 2. The heating box 1 is a hollow heating cavity with an opening at one side, and the heating box 1 is provided with a ventilating pipeline 3 communicated with the outside for discharging waste gas generated by heating. The opening is sealed or opened by sealing door 2, heating device 4 is evenly arranged on the four inner walls of the interior bottom surface, the interior top surface, the interior left surface and the interior right surface of heating box 1 to enclose annular heating device 4, and the middle of annular heating device 4 in the heating cavity is provided with a coated workpiece placing frame. Because the coated workpiece placing frame is positioned in the middle of the annular heating device 4, a heating gap is reserved between the coated workpiece placing frame and the heating device 4, the heating device 4 can circumferentially bake the coated workpiece, the temperature in the heating box 1 is more uniform, and a good drying effect can be ensured for the coated workpiece with a complex structure or double-sided coating.

The sealing door 2 is a drawer-type sealing door 2, and the drawer-type sealing door 2 is connected with the heating box 1 in a sliding manner and can seal or open the opening of the heating box 1. The inner side surface of the drawer-type sealing door 2 facing the heating cavity is fixedly connected with a coated workpiece placing frame. When the sealing door 2 seals the opening of the heating box 1, the coated workpiece placing frame is contained in the heating cavity. When the coated workpiece is placed and taken out, only the sealing door 2 needs to be pulled and pulled, so that the heat loss in the coating is reduced, and the energy is saved.

Specifically, the coated workpiece placing frame is a frame 5. The frame 5 comprises a frame structure and a plurality of vertical, blocking posts 6. The frame-shaped structure is formed by surrounding a cross rod and a vertical rod and has depth, and a gap is arranged between the rods. When the sealing door 2 seals the opening of the heating box 1, a heating gap is reserved between the frame-shaped structure and the heating device 4 on the corresponding inner wall, so that the heating device 4 can heat and dry the coated workpiece annularly, and the forming quality of the coating film is improved. The blocking columns 6 are vertically arranged on the frame at intervals at the bottom layer of the frame-shaped structure. When a plurality of coated workpieces are arranged in the frame-shaped frame 5, the coated workpieces are horizontally placed on the frame-shaped structure and are separated by the separation columns 6, so that a gap is reserved between the coated workpieces and the coated workpieces. The arrangement of the frame-shaped structure and the blocking columns 6 ensures that the distance between the coated workpiece and each heating device 4 is equal, so that the heating and drying effects are more uniform.

The drawer type sealing door 2 and the heating box 1 are in sliding connection through a sliding rail 7. The slide rails 7 are arranged in parallel, one end of each slide rail 7 is fixedly connected with the inner back wall of the heating box 1, the other end of each slide rail 7 extends out of the heating box 1, and the sealing door 2 is sleeved outside the slide rails 7 and is in sliding connection with the slide rails 7. Each sliding rail 7 consists of two rails and a roller, and the sealing door 2 can be closed or opened by pushing and pulling along the sliding rail 7.

The sliding connection part of the sealing door 2 and the sliding rail 7 is provided with a linear bearing 8, so that the sliding process of the sealing door 2 relative to the heating box 1 is smoother.

The bottom of one end of each slide rail 7 extending out of the heating box 1 is connected with a support bar 10, for example, the support bar 10 is vertically connected downwards. On one hand, the bearing support function of the slide rail 7 is achieved; on the other hand, the sealing door 2 can be opened or closed to serve as a handle.

The inner side surface of the sealing door 2 facing the heating cavity is provided with a high-temperature resistant sealing rubber strip at the opening joint with the heating box 1. And a magnetic attraction sheet is fixedly connected between the sealing rubber strip and the sealing door 2. When sealing door 2 was close heating cabinet 1, sealing door 2 can adsorb the side that has opening one side at heating cabinet 1 under the suction effect of magnetism piece, and when drying, magnetism piece can guarantee that sealing door 2 has good leakproofness to heating cabinet 1, and the waste gas that produces when preventing to heat and dry spills.

The coating thermocuring device also comprises a proximity switch 9, a temperature sensor and a controller, which is beneficial to realizing the automatic control of the drying operation.

The heating device 4 comprises a plurality of parallel heating pipes, the heating pipes are connected with a power supply through a controller, and the controller can control whether the power supply is communicated with the heating pipes or not. Be equipped with proximity switch 9 on the heating cabinet 1, controller and proximity switch 9 electric connection work as proximity switch 9 detects sealing door 2 and seals the back that targets in place, proximity switch 9 transmission signal to controller, the heating pipe work of controller control heating device 4.

Be equipped with temperature sensor in the heating cavity, temperature sensor and controller electric connection work as when temperature sensor detects the heating cavity internal temperature and reaches the settlement scope value, temperature sensor transmission signal to controller, controller control heating device 4 stop work.

The representative embodiments and test examples of the present invention have been described in detail, but the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified in various ways, and the modifications and combinations obvious to those skilled in the art all belong to the protection scope of the present invention.

Claims

1. The coating thermocuring device is characterized by comprising a heating box and a sealing door, wherein the heating box is a hollow heating cavity with an opening on one side, a ventilating pipeline is arranged on the heating box, the opening is sealed or opened by the sealing door, heating devices are uniformly arranged on the inner bottom surface, the inner top surface, the inner left surface and the inner right surface of the heating box to form an annular heating device in a surrounding manner, and a coated workpiece placing frame is arranged in the heating cavity in the middle of the annular heating device.

2. The paint thermocuring device according to claim 1, wherein the sealing door is a drawer-type sealing door, the drawer-type sealing door is slidably connected to the heating chamber, the inner side of the sealing door facing the heating chamber is fixedly connected to the workpiece-to-be-coated rack, and when the sealing door seals the opening of the heating chamber, the workpiece-to-be-coated rack is received in the heating chamber.

3. The paint thermocuring device according to claim 2, wherein the coated workpiece holder is a frame, the frame comprises a frame structure and a plurality of vertical blocking columns, the frame structure is surrounded by a cross bar and a vertical bar and has a depth, and when the sealing door seals the opening, a heating gap is formed between the frame structure and the corresponding heating device on the inner wall; the blocking columns are vertically arranged on the bottom layer framework of the frame-shaped structure at intervals.

4. The paint thermocuring device according to claim 3, wherein the drawer-type sealing door is slidably connected to the heating box via two sliding rails, one end of the sliding rail is fixedly connected to the inner rear wall of the heating box, the other end of the sliding rail extends out of the heating box, and the sealing door is slidably connected to the sliding rail and sleeved on the sliding rail.

5. The paint heat curing device of claim 4 wherein the sliding connection between the sealing door and the sliding track is provided with a linear bearing.

6. The paint heat curing device according to claim 5, wherein a support rod is attached to a bottom of an end of said slide rail extending out of said heating box.

7. The paint thermocuring device according to claim 5, wherein the inner surface of the sealing door facing the heating chamber is provided with a high temperature resistant sealing rubber strip at the seam with the opening of the heating box.

8. The paint heat curing device according to claim 7, wherein a magnetic attraction plate is fixed between the sealing rubber strip and the sealing door.

9. The paint thermocuring device according to claim 1, comprising a controller and a proximity switch, wherein the heating means comprises a plurality of parallel heating tubes, the heating tubes are connected to a power source through the controller, the proximity switch is disposed on the heating box, and the controller is electrically connected to the proximity switch.

10. The paint thermocuring apparatus according to claim 9 including a temperature sensor located within said heating chamber, said controller being in electrical communication with said temperature sensor.