Petroleum pipe fitting coating and drying device

Abstract

The utility model belongs to the technical field of petroleum pipe fitting coating, and discloses a petroleum pipe fitting coating and drying device which comprises a box body assembly used for providing a drying space, and two drying assemblies used for conducting hot air drying from the two sides are symmetrically arranged on the front side and the rear side of the box body assembly. The rotating assembly is mounted in the box body assembly and is used for heating and drying from the center and synchronously driving the pipe fittings to revolve and rotate; the rotating assembly comprises a motor, and a rotating frame is installed below the motor. According to the coating and drying device for the petroleum pipe fitting, the pipe fitting is synchronously driven to revolve and rotate, the gear ring is meshed with the gear to drive the pipe fitting to rotate while the pipe fitting revolves, non-uniform drying of the inner side and the outer side of a workpiece is avoided, and drying uniformity is improved; through the arrangement of center heating, synchronous heating is conducted from the inner side and the outer side, and the drying uniformity is further improved; and through the arrangement of the elastic clamp, the pipe fitting is elastically clamped and fixed by utilizing the springback of the spring, so that the pipe fitting is convenient to fix.

Description

Technical Field

[0001] The utility model belongs to the technical field of petroleum pipe fitting coating, in particular to a petroleum pipe fitting coating and drying device. Background Art

[0002] Oil pipe fittings are indispensable components in the transportation of energy sources such as oil and natural gas. They are of various types and uses, mainly including seamless steel pipes, carbon steel pipes, oil-resistant hoses, composite pipes and other types. Oil pipe fittings play a vital role in the transportation of energy such as oil and natural gas. In order to improve the corrosion resistance of pipe fittings, they are often sprayed with anti-corrosion treatment. The coating of oil pipe fittings is a key step to ensure that they have good corrosion resistance, wear resistance and protective performance during use. After the pipeline is coated, the pipeline needs to be dried to ensure that the coating is fully dried and cured.

[0003] In comparison, the Chinese patent with authorization announcement number CN219178239U discloses a coating drying device, including a device body, a drying box is provided in the device body, an upper box door and a lower box door are provided at the front end of the drying box, a motor is provided on the top of the drying box and a fixed frame is provided on the outside of the motor, the lower end of the motor passes through the drying box and is connected to a rotating shaft, and a suspension rod is provided on the rotating shaft, a support net is provided at the bottom of the rotating shaft and a collection box is provided at the lower end of the support net, a heater is provided on one side of the drying box, a hot air pipe is provided on the heater and the hot air pipe is connected to the drying box, a first fan is connected to the outside of the heater, a second fan is provided on the side wall of the drying box and an air outlet pipe is provided on the outside of the second fan, and a filter box is connected to one side of the air outlet pipe.

[0004] The above patent makes the workpieces revolve around the rotation axis during the drying process, so that multiple workpieces can be heated evenly. However, it cannot make the workpieces rotate, resulting in uneven drying of the inside and outside of the workpieces. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a coating and drying device for petroleum pipe fittings to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A coating drying device for petroleum pipe fittings, comprising a housing assembly for providing a drying space, two drying assemblies symmetrically disposed on the front and rear sides of the housing assembly for drying with hot air from both sides, and a rotating assembly installed within the housing assembly for heating and drying from the center and synchronously driving the pipe fittings to orbit and rotate.

[0008] The rotating assembly includes a motor, a rotating frame is installed under the motor, a second heating tube is provided at the center of the rotating frame, four movable plates are slidably installed at the bottom of the rotating frame, a movable clamp is rotatably installed on the movable plate, a spring is provided under the movable plate, a fixed clamp is provided above the movable clamp, a gear is installed above the fixed clamp, and the four gears are circumferentially meshed with a gear ring.

[0009] Furthermore: the box assembly includes a drying box, a ventilation net is provided on one side of the drying box, and a box door is installed on the side of the drying box away from the ventilation net.

[0010] Furthermore: the drying component includes an air intake box, a fixed frame is provided on the front side of the air intake box, a fan is installed at the center of the fixed frame, and a first heating tube is provided behind the fan.

[0011] Furthermore, the movable clamping block and the fixed clamping block are both conical in shape, and the fixed clamping block is rotatably connected to the rotating frame.

[0012] Furthermore: the box door is hingedly connected to the drying box, and the box door is made of transparent glass.

[0013] Furthermore: four filter screens are evenly arranged on the fixing frame, and the filter screens are made of 206 stainless steel.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. By synchronously driving the revolution and rotation of the pipe fitting, the ring gear meshing gear drives the pipe fitting to rotate while it revolves, thus avoiding uneven drying of the inside and outside of the workpiece and improving the uniformity of drying;

[0016] 2. Through the setting of central heating, heating is carried out from both the inside and outside, further improving the uniformity of drying;

[0017] 3. Through the setting of elastic clamping, the spring rebound elastic clamping and fixing of the pipe fittings are utilized, which facilitates the fixation of the pipe fittings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of a coating and drying device for petroleum pipe fittings according to the utility model;

[0019] Figure 2 This is an axonometric drawing of a box assembly of a petroleum pipe fitting coating and drying device described in the utility model;

[0020] Figure 3 This is an axonometric drawing of a drying assembly of a petroleum pipe fitting coating and drying device according to the present utility model;

[0021] Figure 4This is an axonometric drawing of a rotating assembly of a petroleum pipe fitting coating and drying device described in the utility model.

[0022] In the accompanying drawings: 101, drying box; 102, breathable net; 103, box door; 201, air inlet box; 202, fixed frame; 203, fan; 204, filter; 205, first heating tube; 301, motor; 302, rotating frame; 303, second heating tube; 304, movable plate; 305, movable clamp; 306, spring; 307, fixed clamp; 308, gear; 309, gear ring. DETAILED DESCRIPTION

[0023] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-Figure 4 A petroleum pipe coating and drying device includes a box assembly for providing a drying space, two drying assemblies for hot air drying from both sides are symmetrically arranged on the front and rear sides of the box assembly, and also includes a rotating assembly installed inside the box assembly for heating and drying from the center and synchronously driving the pipe to revolve and rotate.

[0025] In this embodiment, the box assembly includes a drying box 101, a ventilation net 102 is provided on one side of the drying box 101, and a box door 103 is installed on the side of the drying box 101 away from the ventilation net 102. The box door 103 is hingedly connected to the drying box 101 and is made of transparent glass. The box door 103 is opened, the pipe fittings are fixed to the rotating assembly, and then the box door 103 is closed to seal the drying box 101, so that the drying assembly dries the pipe fittings with hot air from both sides, and the hot air generated during the drying process is discharged from the ventilation net 102.

[0026] In this embodiment, the drying assembly includes an air inlet box 201, a fixed frame 202 is provided on the front side of the air inlet box 201, a fan 203 is installed at the center of the fixed frame 202, a first heating tube 205 is provided behind the fan 203, four filters 204 are evenly arranged on the fixed frame 202, and the filter screens 204 are made of 206 stainless steel. The fixed frame 202 supports the fan 203 to blow air into the drying box 101, so that the air enters the air inlet box 201 through the filter screens 204, and is heated by the first heating tube 205 and then blown toward the pipe fittings from both sides, thereby drying the pipe fittings from the outside;

[0027] In this embodiment, the rotating assembly includes a motor 301, a rotating frame 302 is installed below the motor 301, a second heating tube 303 is provided at the center of the rotating frame 302, four movable plates 304 are slidably installed at the bottom of the rotating frame 302, a movable clamping block 305 is rotatably installed on the movable plate 304, a spring 306 is provided below the movable plate 304, a fixed clamping block 307 is provided above the movable clamping block 305, a gear 308 is installed above the fixed clamping block 307, and the four gears 308 are circumferentially meshed with a gear ring 309. The movable clamping block 305 and the fixed clamping block 307 are both conical in shape, and the fixed clamping block 307 is rotatably connected to the rotating frame 302 so that the bottom of the pipe is sleeved on the movable clamping block 3 05 and press down to move the movable plate 304 downward to compress the spring 306, and then put the top of the pipe fitting on the outside of the corresponding fixed clamping block 307 above, and stop pressing down. At this time, the spring 306 rebounds to lift the movable plate 304 and drive the movable clamping block 305 to move upward to clamp the pipe fitting. After clamping the four pipe fittings in sequence according to the above steps, the second heating tube 303 dries the pipe fitting from the inside, and the motor 301 drives the rotating frame 302 to drive the pipe fitting to revolve around the second heating tube 303, so that the outer pipe fittings are evenly heated. At the same time, the gear ring 309 engages the gear 308 to drive the pipe fitting to rotate through the fixed clamping block 307, so that the circumference of the pipe fitting can be evenly heated, thereby improving the uniformity of drying.

[0028] Working principle: Open the door 103, put the bottom of the pipe on the movable clamping block 305 and press down, so that the movable plate 304 moves downward to compress the spring 306, then put the top of the pipe on the outside of the corresponding fixed clamping block 307 above, and stop pressing down. At this time, the spring 306 rebounds and lifts the movable plate 304 to drive the movable clamping block 305 to move upward, clamping the pipe. After clamping the four pipes in sequence according to the above steps, close the door 103, and the fixed frames 202 on both sides support the fan 203 to blow air into the drying box 101, so that air passes through the filter 204 and enters The air enters the air box 201 and is heated by the first heating tube 205 before being blown toward the pipe from both sides, drying the pipe from the outside. The hot air generated during the drying process is discharged from the breathable net 102. At the same time, the second heating tube 303 dries the pipe from the inside. Then the motor 301 drives the rotating frame 302 to drive the pipe to revolve around the second heating tube 303, so that the outer pipe is evenly heated. At the same time, the gear ring 309 engages the gear 308 to drive the pipe to rotate through the fixed clamp 307, so that the circumference of the pipe can be evenly heated, thereby improving the uniformity of drying.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coating drying device for petroleum pipe fittings, comprising a box assembly for providing a drying space, wherein two drying assemblies for hot air drying from both sides are symmetrically provided on the front and rear sides of the box assembly, characterized in that: It also includes a rotating assembly installed inside the box assembly for heating and drying from the center and synchronously driving the pipe to revolve and rotate; The rotating assembly includes a motor (301), a rotating frame (302) is installed below the motor (301), a second heating tube (303) is arranged at the center of the rotating frame (302), four movable plates (304) are slidably installed at the bottom of the rotating frame (302), a movable clamping block (305) is rotatably installed on the movable plate (304), a spring (306) is arranged below the movable plate (304), a fixed clamping block (307) is arranged above the movable clamping block (305), a gear (308) is installed above the fixed clamping block (307), and the four gears (308) are circumferentially meshed with a gear ring (309).

2. The coating and drying device for petroleum pipe fittings according to claim 1, characterized in that: The box assembly comprises a drying box (101), a ventilation net (102) is provided on one side of the drying box (101), and a box door (103) is installed on the side of the drying box (101) away from the ventilation net (102).

3. The coating and drying device for petroleum pipe fittings according to claim 1, characterized in that: The drying assembly comprises an air inlet box (201), a fixed frame (202) is provided on the front inner side of the air inlet box (201), a fan (203) is installed at the center of the fixed frame (202), and a first heating tube (205) is provided behind the fan (203).

4. The coating and drying device for petroleum pipe fittings according to claim 1, characterized in that: The movable clamping block (305) and the fixed clamping block (307) are both conical in shape, and the fixed clamping block (307) is rotatably connected to the rotating frame (302).

5. The coating and drying device for petroleum pipe fittings according to claim 2, characterized in that: The box door (103) is hingedly connected to the drying box (101), and the box door (103) is made of transparent glass.

6. The coating and drying device for petroleum pipe fittings according to claim 3, characterized in that: Four filter screens (204) are evenly arranged on the fixing frame (202), and the filter screens (204) are made of 206 stainless steel.

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