Inner wall spraying device for pressure container

Abstract

The utility model relates to an inner wall spraying device of a pressure container. The clamping mechanism comprises a supporting frame, a moving frame and a clamping block, the end of the bottom edge of the supporting frame is connected with the clamping block, the moving frame is driven by a translation mechanism to move up and down along the supporting frame, and one side of the moving frame is connected with the clamping block; the rotating mechanism comprises a rotating motor, and the clamping mechanism is driven to rotate through the rotating motor. The spraying mechanism comprises a spraying pipe and a translation seat fixedly connected with the spraying pipe, a plurality of nozzles are arranged at the bottom of the spraying pipe, and one side of the spraying pipe is connected with a feeding pipe; heating pipes are mounted on two sides of the spraying pipe. The spraying device has the advantages that the pressure container is clamped through the clamping mechanism, the clamping mechanism is driven to rotate through the rotating mechanism, the pressure container is driven to rotate, the spraying mechanism moves horizontally so that the spraying pipe and the nozzle can enter the pressure container, the pressure container rotates, the inner wall of the pressure container is sprayed in the circumferential direction, and the spraying efficiency is high; and the sprayed part is dried in time through the heating pipe, so that uniform spraying is ensured.

Description

Technical Field

[0001] This utility model relates to the field of pressure vessel manufacturing technology, specifically to a pressure vessel inner wall spraying device. Background Technology

[0002] A pressure vessel is a sealed container capable of withstanding pressure. Pressure vessels have extremely wide applications, playing a vital role in many sectors including industry, civil use, military, and scientific research. They are most commonly used in the chemical and petrochemical industries. Modern pressure vessels are generally made of stainless steel, which is resistant to rust. However, in certain environments, stainless steel is susceptible to corrosion, which can damage the pressure vessel and increase its safety risks. Corrosion protection can be achieved by spraying anti-corrosion materials onto the surface of the pressure vessel.

[0003] In the existing technology, when spraying the inner surface of a pressure vessel, the pressure vessel is usually fixed and the inner wall of the pressure vessel is sprayed manually, or the spray head is rotated to spray the inner wall of the pressure vessel in a circumferential rotation. The area that can be sprayed at the same time is small, the spraying efficiency is low, and the coating cannot be dried in time after spraying. The coating is easy to fall off, resulting in uneven spraying and failing to guarantee the anti-corrosion performance of the pressure vessel after spraying. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a pressure vessel inner wall spraying device, which can solve the problems in the prior art that the pressure vessel is usually fixed and the spray head rotates, resulting in low spraying efficiency, easy falling off after spraying, uneven spraying, and inability to guarantee the anti-corrosion performance of the pressure vessel after spraying.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: it includes a clamping mechanism, a rotating mechanism, a supporting mechanism, and a spraying mechanism;

[0006] The clamping mechanism includes a support frame, a movable frame, and a clamping block. The support frame has an L-shaped structure, and the clamping block is connected to the bottom end of the support frame. The movable frame has an inverted L-shaped structure and is installed on the upper side of the support frame. The movable frame is driven to move up and down along the support frame by a translation mechanism. The side of the movable frame away from the support frame is connected to the clamping block by a connecting rod.

[0007] The rotating mechanism includes a rotary motor, and a collar is threaded through the support frame. The collar is sleeved on the output shaft of the rotary motor and fixedly connected to it. The rotary motor is supported and fixed on the base by a support seat, and the clamping mechanism is driven to rotate by the rotary motor.

[0008] The support mechanism includes a support ring, which is supported and fixed to the base by a fixing seat;

[0009] The spraying mechanism includes a spraying pipe and a translational seat fixedly connected to the spraying pipe. The translational seat is driven by a cylinder to move along the base. The bottom of the spraying pipe is provided with several nozzles, and a feed pipe is connected to one side of the spraying pipe.

[0010] Heating tubes are installed on both sides of the spraying tube.

[0011] Furthermore, the clamping surface of the clamping block is an arc-shaped groove structure, which is configured to correspond to the outer circumferential shape of the pressure vessel.

[0012] Furthermore, the translation mechanism includes a drive motor, a gear, and a rack. The drive motor is mounted on one side of the support frame, and a gear is mounted on the output shaft of the drive motor. A rack is mounted on the side of the moving frame near the support frame, and the rack meshes with the gear.

[0013] Furthermore, the support frame is provided with a T-shaped groove on the side near the movable frame, and a T-shaped block is connected to the end of the movable frame near the support frame. The T-shaped block is located in the T-shaped groove, and the T-shaped block moves up and down along the T-shaped groove, thereby driving the movable frame to move up and down along the support frame.

[0014] Furthermore, the collar and the support frame are fixed together by bolts.

[0015] Furthermore, the inner circumference of the support ring is provided with an anti-wear washer.

[0016] Furthermore, the cylinder is mounted on the side of the fixed platform, the fixed platform is fixedly mounted on the base, the top of the base is provided with a translation groove, the bottom of the translation seat is connected to a translation block, the translation block is located in the translation groove and moves horizontally along the translation groove.

[0017] With the above structure, the advantages of this utility model are as follows: the clamping mechanism clamps the horizontally placed pressure vessel, the rotating mechanism drives the clamping mechanism to rotate, thereby driving the pressure vessel to rotate, the horizontal movement of the spraying mechanism allows the spraying pipe and nozzle to enter the interior of the pressure vessel, and the inner wall of the pressure vessel is sprayed simultaneously by several nozzles. The nozzles do not move while the pressure vessel rotates, which can achieve circumferential spraying of the inner wall of the pressure vessel, resulting in high spraying efficiency.

[0018] During spraying, the pressure vessel is supported by a support mechanism to ensure its stability when rotating;

[0019] After spraying, the pressure vessel rotates, and the sprayed part can be heated and dried in time by the heating tube to ensure uniform spraying and guarantee the corrosion resistance of the pressure vessel after spraying.

[0020] The bottom of the pressure vessel can be supported by the support frame of the clamping mechanism and the clamping block connected to it. The movement of the moving frame can drive the clamping block connected to it to move until the two clamping blocks work together to clamp the pressure vessel. Only one clamping block needs to be driven to complete the clamping. The clamping operation is more convenient and energy-saving, and the clamping stability is good. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the connection structure between the support ring and the pressure vessel of this utility model;

[0023] Figure 3 This is a side view of the spray pipe of this utility model. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. The following embodiments can enable those skilled in the art to more fully understand this utility model, but do not limit the present utility model to the scope of the described embodiments.

[0025] like Figure 1 As shown, this specific embodiment adopts the following technical solution: including a clamping mechanism 1, a rotating mechanism 2, a supporting mechanism 3 and a spraying mechanism 4. The clamping mechanism 1 clamps the pressure vessel 10, the rotating mechanism 2 drives the clamping mechanism 1 and the pressure vessel 10 to rotate, the supporting mechanism 3 supports the rotating pressure vessel 10, and the spraying mechanism 4 sprays the inner wall of the pressure vessel 10.

[0026] The clamping mechanism 1 includes a support frame 11, a movable frame 12, and a clamping block 13. The support frame 11 has an L-shaped structure, and the bottom end of the support frame 11 is connected to the clamping block 13. The support frame 11 and the clamping block 13 support the bottom of the horizontally placed pressure vessel 10.

[0027] The movable frame 12 has an inverted L-shaped structure. The movable frame 12 is installed on the upper side of the support frame 11. The movable frame 12 is driven by a translation mechanism to move up and down along the support frame 11. The side of the movable frame 12 away from the support frame 11 is connected to a clamping block 13 via a connecting rod 14. The clamping surface of the clamping block 13 is an arc-shaped groove structure, which corresponds to the outer circumferential shape of the pressure vessel 10.

[0028] The translation mechanism includes a drive motor 15, a gear 16, and a rack 17. The drive motor 15 is mounted on one side of the support frame 11, and the gear 16 is mounted on the output shaft of the drive motor 15. The rack 17 is mounted on the side of the moving frame 12 near the support frame 11, and the rack 17 meshes with the gear 16. The support frame 11 has a T-slot on the side near the moving frame 12, and a T-block is connected to the end of the moving frame 12 near the support frame 11. The T-block is located in the T-slot and moves up and down along the T-slot, causing the moving frame 12 to move up and down along the support frame 11. The drive motor 15 drives the gear 16 to rotate. Due to the meshing action, the rotation of the gear 16 drives the rack 17 to move, thereby causing the moving frame 12 to move up and down. The moving frame 12 drives the clamping block 13 connected to it to move up and down. The clamping block 13 connected to the support frame 11 works together to clamp the pressure vessel 10.

[0029] The rotating mechanism 2 includes a rotary motor 21, and a collar 22 is threaded through the support frame 11. The collar 22 is fixedly connected to the support frame 11 by bolts. The collar 22 is sleeved on the output shaft of the rotary motor 21 and fixedly connected to it. The rotary motor 21 is supported and fixed on the base 20 by the support seat 23. The rotary motor 21 drives the collar 22 to rotate, thereby driving the support frame 11 to rotate, so that the clamping mechanism 1 drives the pressure vessel 10 to rotate.

[0030] like Figure 2 As shown, the support mechanism 3 includes a support ring 31, and an anti-wear washer 32 is provided on the inner circumference of the support ring 31. The support ring 31 is supported and fixed on the base 20 by a fixing seat 33. The support ring 31 provides circumferential support to the pressure vessel 10, and the anti-wear washer 32 separates the support ring 31 from the pressure vessel 10 to prevent wear.

[0031] The spraying mechanism 4 includes a spraying pipe 41 and a translation seat 42 fixedly connected to the spraying pipe 41. The translation seat 42 is driven by a cylinder 43 to translate along the base 20. The cylinder 43 is mounted on the side of a fixed platform 44, which is fixedly mounted on the base 20. The top of the base 20 is provided with a translation groove, and the bottom of the translation seat 42 is connected to a translation block. The translation block is located in the translation groove and moves horizontally along the groove. Figure 3 As shown, the bottom of the spray pipe 41 is provided with several nozzles 45 for spraying. The spray pipe 41 is connected to a feed pipe 46 on one side, through which material is fed into the spray pipe 41. Heating pipes 47 are installed on both sides of the spray pipe 41. Heating wires are installed inside the heating pipes 47 and are electrically connected to an external power source. The heating pipes 47 heat and dry the inner wall of the pressure vessel 10 after spraying to prevent the paint from falling off and ensure uniform spraying.

[0032] The drive motor 15, rotary motor 21, nozzle 45, heating tube 47 and other components mentioned above are all general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods, and will not be described further.

[0033] Working principle: The clamping mechanism 1 clamps the horizontally placed pressure vessel 10. The support frame 11 and clamping block 13 support the bottom of the horizontally placed pressure vessel 10. The drive motor 15 drives the gear 16 to rotate. Due to the meshing action, the rotation of the gear 16 drives the rack 17 to move horizontally, thereby driving the moving frame 12 to rise and fall. The moving frame 12 drives the clamping block 13 connected to it to rise and fall. The clamping block 13 connected to the support frame 11 works together to clamp the pressure vessel 10. Only one clamping block 13 needs to be driven to complete the clamping, making the clamping operation more convenient and energy-efficient, and providing good clamping stability. The rotating mechanism 2 drives the clamping mechanism 1 and the pressure vessel 10 to rotate, and the rotating motor 21 drives the collar 22 to rotate. This causes the support frame 11 to rotate, thereby enabling the clamping mechanism 1 to rotate the pressure vessel 10. When the pressure vessel 10 rotates, the support ring 31 provides circumferential support to ensure the stability of the pressure vessel 10 during rotation. The horizontal movement of the spraying mechanism 4 allows the spraying pipe 41 and nozzle 45 to enter the interior of the pressure vessel 10. Several nozzles 45 simultaneously spray the inner wall of the pressure vessel 10. With the nozzles 45 stationary and the pressure vessel 10 rotating, circumferential spraying of the inner wall of the pressure vessel 10 can be achieved, resulting in high spraying efficiency. After spraying, the pressure vessel 10 rotates, and the sprayed portion can be promptly heated and dried by the heating pipe 47 to ensure uniform spraying and guarantee the corrosion resistance of the pressure vessel 10 after spraying.

[0034] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A device for spraying the inner wall of a pressure vessel, characterized in that: Includes clamping mechanism, rotating mechanism, supporting mechanism and spraying mechanism; The clamping mechanism includes a support frame, a movable frame, and a clamping block. The support frame has an L-shaped structure, and the clamping block is connected to the bottom end of the support frame. The movable frame has an inverted L-shaped structure and is installed on the upper side of the support frame. The movable frame is driven to move up and down along the support frame by a translation mechanism. The side of the movable frame away from the support frame is connected to the clamping block by a connecting rod. The rotating mechanism includes a rotary motor, and a collar is threaded through the support frame. The collar is sleeved on the output shaft of the rotary motor and fixedly connected to it. The rotary motor is supported and fixed on the base by a support seat, and the clamping mechanism is driven to rotate by the rotary motor. The support mechanism includes a support ring, which is supported and fixed to the base by a fixing seat; The spraying mechanism includes a spraying pipe and a translational seat fixedly connected to the spraying pipe. The translational seat is driven by a cylinder to move along the base. The bottom of the spraying pipe is provided with several nozzles, and a feed pipe is connected to one side of the spraying pipe. Heating tubes are installed on both sides of the spraying tube.

2. The pressure vessel inner wall spraying device according to claim 1, characterized in that: The clamping surface of the clamping block is an arc-shaped groove structure, which is set to correspond to the outer circumferential shape of the pressure vessel.

3. The pressure vessel inner wall spraying device according to claim 1, characterized in that: The translation mechanism includes a drive motor, a gear, and a rack. The drive motor is mounted on one side of the support frame, and a gear is mounted on the output shaft of the drive motor. A rack is mounted on the side of the moving frame near the support frame, and the rack meshes with the gear.

4. The pressure vessel inner wall spraying device according to claim 1, characterized in that: The support frame has a T-slot on the side near the movable frame, and a T-block is connected to the end of the movable frame near the support frame. The T-block is located in the T-slot and moves up and down along the T-slot, causing the movable frame to move up and down along the support frame.

5. The pressure vessel inner wall spraying device according to claim 1, characterized in that: The collar and the support frame are fixed together by bolts.

6. The pressure vessel inner wall spraying device according to claim 1, characterized in that: The inner circumference of the support ring is provided with an anti-wear washer.

7. The pressure vessel inner wall spraying device according to claim 1, characterized in that: The cylinder is mounted on the side of the fixed platform, which is fixedly mounted on the base. The top of the base is provided with a translation groove, and the bottom of the translation base is connected to a translation block. The translation block is located in the translation groove and moves horizontally along the translation groove.

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