Steel pipe vertical plastic dipping equipment

Abstract

The utility model relates to the technical field of hot dipping plastic processing, and discloses a steel pipe vertical dipping plastic device which comprises a hoisting unit, a dipping plastic unit, a supporting and conveying unit and a baking unit, the hoisting unit comprises a hoisting cabinet, the hoisting unit further comprises a shifting module, the shifting module is used for adjusting the position of a steel pipe to be processed, and a clamping module is used for clamping the steel pipe to be processed. The clamping module is used for clamping one end of a to-be-machined steel pipe, the steering module is rotationally arranged on the steering module and used for rotating the to-be-machined steel pipe to a horizontal or vertical state, the lifting module is fixed to the lower portion of the displacement module and drives the to-be-machined steel pipe to ascend or descend, and the plastic dipping unit comprises a plastic dipping barrel and a plastic dipping table; the plastic dipping table is fixedly arranged on the lower portion of the hoisting cabinet, the baking unit comprises a baking box, a heater and a circulating fan, the supporting and conveying unit comprises a driving module and a material supporting module, and the driving module drives the material supporting module to move between the hoisting unit and the baking unit. And the phenomena of non-uniform plastic dipping thickness and sagging point generation are avoided through vertical plastic dipping.

Description

Technical Field

[0001] This utility model relates to the field of hot-dip plastic coating technology, specifically a vertical steel pipe plastic coating equipment. Background Technology

[0002] Hot-dip plastic-coated steel pipe is a type of steel-plastic composite pipe. This technology refers to the process of applying a polymer material evenly to the metal surface using equipment on the basis of ordinary steel pipe surface treatment. After plasticization and curing, a uniform, dense, and smooth plastic coating is formed on the metal surface.

[0003] The existing hot-dip plastic coating process for steel pipes is horizontal, which means that excess plastic powder cannot be effectively removed after coating, resulting in uneven coating thickness and drip points.

[0004] Therefore, an improved dip coating equipment is needed to avoid the above problems. Utility Model Content

[0005] This utility model addresses the shortcomings of existing technologies by providing a vertical steel pipe dip coating equipment, comprising a hoisting unit, a dip coating unit, a conveying unit, and a baking unit. The hoisting unit includes a hoisting cabinet and a shifting module for adjusting the position of the steel pipe to be processed. A clamping module holds one end of the steel pipe. A steering module rotatably mounts the clamping module to rotate the steel pipe to a horizontal or vertical position. A lifting module, fixed below the shifting module, drives the steel pipe to rise or fall. The dip coating unit includes a dip coating tank and a dip coating table, the latter fixedly mounted below the hoisting cabinet. The baking unit includes a baking oven, a heater, and a circulating fan. The conveying unit includes a drive module and a material conveying module, the drive module driving the material conveying module to move between the hoisting unit and the baking unit.

[0006] Preferably, the top of the hoisting cabinet is provided with a mounting frame, which is fixed to the bottom of the top plate of the hoisting cabinet. The shifting module includes a shifting base and a shifting motor. The shifting base is fixedly installed on the side wall of the mounting frame, and the shifting motor is fixedly installed on one side of the shifting base. A ball screw mechanism is provided inside the shifting base, and the screw in the ball screw mechanism is connected to the shifting motor for transmission.

[0007] Preferably, the lifting module includes a lifting mounting base, a lifting cylinder, and a lifting platform. The lifting mounting base is fixedly mounted on the bottom of the ball screw mechanism and reciprocates along the slide rail. A lifting cylinder is fixedly mounted on the lower part of the lifting mounting base, and a lifting platform is fixedly mounted on the bottom of the transmission rod of the lifting cylinder. The lifting platform is driven by the lifting cylinder to move up and down.

[0008] Preferably, the steering module includes a clamping base and a steering motor. The clamping base is fixed to the bottom of the lifting platform by screws, and the steering motor is fixedly installed on the side wall of the clamping base. The output shaft of the steering motor controls the rotation direction of the clamping module.

[0009] Preferably, the clamping module includes a clamp and a clamping cylinder, wherein the clamp is a gripper.

[0010] Preferably, the dip coating tank is fixedly installed above the dip coating table, and the dip coating tank contains dip coating material.

[0011] Preferably, the drive module includes a drive base, a feeding motor, and a feeding screw. The drive base is fixed to one end of the workbench and one end of the drive base is located inside the hoisting cabinet. The feeding motor is fixedly installed at one end of the drive base and is connected to the feeding screw for transmission, thereby driving the feeding screw to rotate.

[0012] Preferably, the material support module includes a sliding base, a product bracket, and a bracket support platform. The drive base is provided with sliding rods, and two sliding rods are respectively arranged parallel to each other on both sides of the feeding screw. The sliding base is slidably sleeved on the sliding rods through a light hole. A ball nut is fixedly provided at the center of the sliding base, and the ball nut is sleeved on the feeding screw for transmission.

[0013] Preferably, the bracket support platform is fixedly mounted on the upper part of the sliding base, and a support column is provided on the bracket support platform. The product bracket is fixedly mounted on the top of the support column by screws.

[0014] Preferably, the oven is provided with an oven door at the front, a drive base is provided at the bottom of the oven door, a door sealing cylinder is connected to the bottom of the drive base, a heater is provided at the rear of the oven, the upper part of the heater is connected to the air duct provided at the top of the oven through a circulation pipe, a circulation fan is provided at the upper part of the oven, one end of the circulation fan is connected to the air duct through the circulation pipe, and the other end is connected to the heater.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: by adopting the vertical dip coating method, the excess plastic powder is removed from the surface of the steel pipe to be processed by gravity during extraction, thus avoiding uneven dip coating thickness and dripping points.

[0016] The hoisting and lifting system uses cylinders instead of air cylinders. The air supply pressure is adjusted according to the immersion speed requirements to ensure smooth operation of the steel pipe to be processed during the plastic coating process, accurate immersion stroke, and avoid uneven coating and insufficient immersion depth.

[0017] Replaceable product brackets are used, and the appropriate product bracket can be selected according to the size of the steel pipe to be processed, which is suitable for different shapes of steel pipes to be processed and avoids uneven baking.

[0018] It has high application value, and can perform hot-dip plastic coating on steel pipes of different diameters, resulting in better hot-dip plastic coating and a higher degree of automation. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the accompanying drawings are only some embodiments of this utility model. For those skilled in the art, other embodiments and their accompanying drawings can be obtained from the embodiments shown in these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of a vertical dip coating equipment for steel pipes according to this utility model.

[0021] Figure 2 This is a schematic diagram of the internal structure of a vertical dip coating equipment for steel pipes according to this utility model.

[0022] Figure 3 This is a schematic diagram of the equipment on the workbench of a vertical dip coating equipment for steel pipes according to this utility model.

[0023] Figure 4 This is a schematic diagram of the conveying unit of a vertical steel pipe dip coating equipment according to this utility model.

[0024] Figure 5 This is a schematic diagram of the hoisting cabinet of a vertical steel pipe dip coating equipment according to this utility model.

[0025] Figure 6 This is a schematic diagram of the hoisting unit of a vertical steel pipe dip coating equipment according to this utility model.

[0026] Figure 7 This is a schematic diagram of the clamping module of a vertical dip coating equipment for steel pipes according to this utility model.

[0027] In the diagram: 1-Workbench, 2-Baking Oven, 21-Oven Door Seal, 22-Door Seal Cylinder, 23-Heater, 24-Circulating Fan, 25-Air Duct, 3-Product Bracket, 31-Bracket Support, 32-Feeding Motor, 33-Feeding Screw, 34-Sliding Base, 4-Dip Coating Tank, 41-Dip Coating Table, 5-Hanging Cabinet, 51-Shifting Base, 52-Shifting Motor, 53-Lifting Cylinder, 54-Clamping Base, 6-Clamping Fixture, 61-Clamping Cylinder, 62-Steering Motor. Detailed Implementation

[0028] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments described in this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] An embodiment of this utility model provides a vertical dip-coating device for steel pipes, such as... Figures 1 to 7 As shown, the system includes a hoisting unit, a dip coating unit, a conveying unit, and a baking unit. The hoisting unit includes a hoisting cabinet 5, which contains a clamping module, a steering module, a shifting module, and a lifting module. The clamping module clamps one end of the steel pipe to be processed. The clamping module is rotatably mounted on the steering module, which rotates the steel pipe to be processed to a horizontal or vertical position. The steering module is fixedly installed below the lifting module, which drives the steel pipe to be processed to rise or fall. The lifting module is fixed below the shifting module, which adjusts the position of the steel pipe to be processed.

[0030] The top of the hoisting cabinet 5 is equipped with a mounting frame, which is fixed to the bottom of the top plate of the hoisting cabinet 5. The shifting module includes a shifting base 51 and a shifting motor 52. The shifting base 51 is fixedly installed on the side wall of the mounting frame, and the shifting motor 52 is fixedly installed on one side of the shifting base 51. A ball screw mechanism is provided inside the shifting base 51, and the screw in the ball screw mechanism is connected to the shifting motor 52 for transmission.

[0031] The lifting module includes a lifting mounting base, a lifting cylinder 53, and a lifting platform. The lifting mounting base is fixedly mounted on the bottom of the ball screw mechanism and reciprocates along the slide rail. The lifting cylinder 53 is fixedly mounted on the lower part of the lifting mounting base. The lifting platform is fixedly mounted on the bottom of the transmission rod of the lifting cylinder 53. The lifting platform is driven by the lifting cylinder 53 to move up and down.

[0032] The steering module includes a clamping base 54 and a steering motor 62. The clamping base 54 is fixed to the bottom of the lifting platform by screws, and the steering motor 62 is fixedly installed on the side wall of the clamping base 54. The output shaft of the steering motor 62 controls the rotation direction of the clamping module.

[0033] The clamping module includes a clamp 6 and a clamping cylinder 61. The clamp 6 is a pneumatic gripper. The clamping cylinder 61 drives the drive rod on the clamp 6 to achieve the opening or closing action. Pneumatic grippers are a common technology well known to those skilled in the art, and will not be described in detail here.

[0034] The dip coating unit includes a dip coating tank 4 and a dip coating table 41. The dip coating table 41 is fixedly installed at the lower part of the hanging cabinet 5, and the dip coating tank 4 is fixedly installed above the dip coating table 41. The dip coating tank 4 contains dip coating material.

[0035] The conveying unit includes a drive module and a material-supporting module. The drive module drives the material-supporting module to move between the hoisting unit and the baking unit.

[0036] The drive module includes a drive base, a feeding motor 32, and a feeding screw 33. The drive base is fixed to one end of the workbench 1, and one end of the drive base is located inside the lifting cabinet 5. The feeding motor 32 is fixedly mounted on one end of the drive base, and the feeding motor 32 is connected to the feeding screw 33 for transmission, thereby driving the feeding screw 33 to rotate.

[0037] The material support module includes a sliding base 34, a product bracket 3, and a bracket support platform 31. The driving base is equipped with sliding rods, two of which are arranged parallel to each other on both sides of the feeding screw 33. The sliding base 34 is slidably sleeved onto the sliding rods through a light hole. A ball nut is fixedly installed at the center of the sliding base 34, and the ball nut is sleeved onto the feeding screw 33 for transmission. The bracket support platform 31 is fixedly installed on the upper part of the sliding base 34. A support column is provided on the bracket support platform 31, and the product bracket 3 is fixedly installed on the top of the support column by screws. The product bracket 3 is replaced and adapted according to the diameter of the steel pipe to be processed. The product bracket 3 moves between the lifting unit and the baking unit under the drive of the driving module.

[0038] The baking unit includes a baking oven 2, a heater 23, and a circulating fan 24. The baking oven 2 is fixedly mounted above the workbench 1. An oven door 21 is located at the front of the baking oven 2, and a drive base is located at the bottom of the oven door 21. A door-sealing cylinder 22 is connected to the bottom of the drive base, and the door-sealing cylinder 22 is controlled by a control air circuit to open or close the oven door 21. A heater 23 is located at the rear of the baking oven 2, and the upper part of the heater 23 is connected to an air duct 25 located at the top of the baking oven 2 via a circulation pipe. The circulating fan 24 is located above the baking oven 2, with one end connected to the air duct 25 via the circulation pipe and the other end connected to the heating chamber of the heater 23, used to circulate the heated airflow to achieve uniform heating of the steel pipe to be processed.

[0039] During use, first, add plastic powder into the dip coating tank 4, ensuring that the level of the plastic powder is higher than the height of the steel pipe to be dipped and coated.

[0040] At the same time, preheat oven 2, turn on the power of oven 2, set oven temperature and baking time according to process parameters, and at the same time, product rack 3 is in the initial placement position, and transfer the steel pipe to be processed onto product rack 3.

[0041] After preheating, open the oven door 21 and use the moving product rack 3 to send the steel pipe to be processed into the oven for baking.

[0042] After baking, the steel pipe to be processed is transported out of the baking oven area 2, away from the baking operator's position, and then to the clamping position. The steel pipe to be processed is clamped and the immersion direction is adjusted. The product is slowly fed into the plastic coating tank 4 until the plastic powder covers the pre-processing height of the steel pipe to be processed. The oven door 21 is closed for a second preheating.

[0043] Lift the fully immersed product out of the dip-coating tank 4, rotate and adjust its direction, then place it horizontally on the product tray 3 and release the clamp 6.

[0044] After placement, the oven door 21 is opened, the product tray 3 is removed from the clamping position, and the steel pipe to be processed, wrapped with plastic powder, is carried back into the baking oven 2 to the baking station to bake and plasticize the steel pipe to be processed.

[0045] After baking and plasticizing, the product tray 3 moves to deliver the dip-coated product to the initial placement position.

[0046] Once baking is complete, the dip-coated products are hoisted away from the tray station.

[0047] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and not restrictive in all respects. The scope of this invention is defined by the appended claims, not by the foregoing description, and is therefore intended to encompass all variations falling within the meaning and scope of equivalents of the claims. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0048] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A vertical plastic dipping apparatus for a steel pipe, comprising a hoisting unit, a dipping unit, a supporting and conveying unit, and a baking unit, characterized in that: The hoisting unit includes a hoisting cabinet. The hoisting unit also includes a shifting module, which adjusts the position of the steel pipe to be processed. The clamping module clamps one end of the steel pipe to be processed. The steering module, wherein the clamping module is rotatably mounted on the steering module, is used to rotate the steel pipe to be processed to a horizontal or vertical position. A lifting module is fixed below the displacement module, and the lifting module drives the steel pipe to be processed to rise or fall. The dip coating unit includes a dip coating tank and a dip coating table, with the dip coating table fixedly installed at the bottom of the lifting cabinet. The baking unit includes a baking oven, a heater, and a circulating fan. The conveying unit includes a drive module and a material-supporting module. The drive module drives the material-supporting module to move between the hoisting unit and the baking unit.

2. The vertical plastic dipping apparatus for a steel pipe according to claim 1, characterized by: The top of the hoisting cabinet is equipped with a mounting frame, which is fixed to the bottom of the top plate of the hoisting cabinet. The shifting module includes a shifting base and a shifting motor. The shifting base is fixedly installed on the side wall of the mounting frame, and the shifting motor is fixedly installed on one side of the shifting base. A ball screw mechanism is provided inside the shifting base, and the screw in the ball screw mechanism is connected to the shifting motor for transmission.

3. The vertical plastic dipping apparatus for a steel pipe according to claim 2, characterized by: The lifting module includes a lifting mounting base, a lifting cylinder, and a lifting platform. The lifting mounting base is fixedly mounted on the bottom of the ball screw mechanism and reciprocates along the slide rail. The lifting cylinder is fixedly mounted on the lower part of the lifting mounting base, and the lifting platform is fixedly mounted on the bottom of the transmission rod of the lifting cylinder. The lifting platform is driven by the lifting cylinder to move up and down.

4. The vertical dip coating equipment for steel pipes according to claim 3, characterized in that: The steering module includes a clamping base and a steering motor. The clamping base is fixed to the bottom of the lifting platform with screws, and the steering motor is fixedly installed on the side wall of the clamping base. The output shaft of the steering motor controls the rotation direction of the clamping module.

5. The vertical plastic dipping apparatus for a steel pipe according to claim 4, characterized by: The clamping module includes a clamp and a clamping cylinder, wherein the clamp is a gripper.

6. The vertical plastic dipping apparatus for a steel pipe according to claim 5, characterized by: The dip-coating tank is fixedly installed above the dip-coating table, and the dip-coating tank contains dip-coating plastic.

7. The vertical plastic dipping apparatus for a steel pipe according to claim 6, characterized by: The drive module includes a drive base, a feeding motor, and a feeding screw. The drive base is fixed to one end of the workbench and is located inside the hoisting cabinet. The feeding motor is fixedly installed at one end of the drive base and is connected to the feeding screw for transmission, thereby driving the feeding screw to rotate.

8. The vertical plastic dipping apparatus for a steel pipe according to claim 7, characterized by: The material support module includes a sliding base, a product bracket, and a bracket support platform. The drive base is equipped with sliding rods, and two sliding rods are respectively arranged parallel to each other on both sides of the feeding screw. The sliding base is slidably sleeved on the sliding rods through a light hole. A ball nut is fixedly installed at the center of the sliding base, and the ball nut is sleeved on the feeding screw for transmission.

9. The vertical plastic dipping apparatus for a steel pipe according to claim 8, characterized by: The bracket support platform is fixedly installed on the upper part of the sliding base. A support column is provided on the bracket support platform, and the product bracket is fixedly installed on the top of the support column by screws.

10. The vertical plastic dipping apparatus for a steel pipe according to claim 1, characterized by: The front part of the baking oven is provided with an oven sealing door, the bottom part of the oven sealing door is provided with a driving base, the bottom part of the driving base is connected with a sealing door cylinder, the tail part of the baking oven is provided with a heater, the upper part of the heater is communicated with an air duct arranged on the top part of the baking oven through a circulating pipeline, a circulating fan is arranged on the upper part of the baking oven, one end of the circulating fan is communicated with the air duct through the circulating pipeline, and the other end is communicated with the heater.

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