Steel pipe plastic coating production device
By designing a steel pipe coating production device that includes a drying space and a coating space, and using a transmission drum and motor drive, the problem of uneven coating on the inner wall of the steel pipe was solved, the yield was improved and the production cost was reduced.
Patent Information
- Application Number
- CN202423031024.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing steel pipe coating equipment is prone to missed coating when coating the inner wall of steel pipes, resulting in uneven coating, low yield, and increased production costs.
A steel pipe plastic coating production device is adopted. Through the design of drying space and plastic coating space in the extension pipe and fixed pipe, the injection of plastic material and hot air is controlled by solenoid valve. Combined with transmission drum and motor drive, uniform plastic coating of steel pipe is achieved.
This method achieves uniform plastic coating on the inner wall of steel pipes, improves yield, and reduces production costs.
Smart Images

Figure CN223571102U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel pipe processing technical field especially relates to a steel pipe plastic coating production device. BACKGROUND
[0002] Steel pipe plastic coating, namely a kind of process that plastic material is evenly coated on the surface of steel pipe, this process combines the high strength of steel pipe and the characteristics such as corrosion resistance, wear resistance, small fluid resistance of plastic, so that plastic coated steel pipe is widely applied in multiple fields, according to the difference of coating material, plastic coated steel pipe can be divided into multiple types, such as epoxy resin plastic coated steel pipe, polyvinyl chloride plastic coated steel pipe, polyethylene plastic coated steel pipe etc. These different types of plastic coated steel pipe have some differences in performance, and are suitable for different application scenarios.
[0003] The existing steel pipe plastic coating device is prone to coating leakage when coating the inner wall of steel pipe, so that the steel pipe is not uniformly coated, the yield is too low, and the production cost is increased. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a steel pipe plastic coating production device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a steel pipe plastic coating production device, including base, one end of the base interior rotatably connected with second threaded shaft, the second threaded shaft surface is connected with the second sliding fixed base of screw thread, the second sliding fixed base is slidably connected in the base interior, the second sliding fixed base upper end is rotatably connected with the second transmission rotating drum, the second transmission rotating drum middle surface is fixedly connected with the limiting ring, and the limiting ring is rotatably connected in the second sliding fixed base interior, one end of the second transmission rotating drum is fixedly connected with the fixed disc, the second sliding fixed base upper end is fixedly connected with the support cylinder on the side away from the fixed disc, the support cylinder and support cylinder middle part are slidably connected with the extension pipe, one end of the extension pipe is fixedly connected with the fixed pipe, the fixed pipe is slidably connected in the support cylinder middle part, the fixed pipe both sides are fixedly connected with the connecting pipe, the middle part of two groups of connecting pipes is provided with solenoid valve, the extension pipe and fixed pipe interior both sides are respectively provided with drying space and plastic coating space, the drying space and plastic coating space in the extension pipe and fixed pipe interior are respectively communicated with two groups of connecting pipes, one side of the extension pipe is provided with a plurality of gas outlets, and the gas outlet is communicated with the drying space, the other side of the extension pipe is provided with spray head, and the spray head is communicated with the plastic coating space.
[0006] Further description of the above technical scheme:
[0007] The other end of the base is fixedly connected with a first moving motor, the output end of the first moving motor is fixedly connected with a first threaded shaft, the surface of the first threaded shaft is rotatably connected with a first sliding fixed seat, and the first sliding fixed seat is slidably connected in the base.
[0008] As a further description of the above technical solution:
[0009] The upper end of the first sliding fixed seat is rotatably connected with a first transmission drum, the central axis of the first transmission drum is the same as the central axis of the extension pipe, and the middle surface of the first transmission drum is uniformly fixedly connected with a clamping tooth.
[0010] As a further description of the above technical solution:
[0011] One side of the first sliding fixed seat is fixedly connected with a mounting seat, the middle of the mounting seat is fixedly connected with a first rotating motor, the output end of the first rotating motor is fixedly connected with a gear, the gear is rotatably connected in the first sliding fixed seat, and the gear is meshed with the clamping tooth on the surface of the first transmission drum.
[0012] As a further description of the above technical solution:
[0013] Two groups of auxiliary threaded shafts are rotatably connected in the base, the surfaces of the auxiliary threaded shafts are threadedly connected with sliding blocks, the sliding blocks are slidably connected in the base, the interiors of the sliding blocks are fixedly connected with air cylinders, the output ends of the air cylinders are fixedly connected with supporting seats, and the supporting seats are located at the lower ends of the extension pipes.
[0014] As a further description of the above technical solution:
[0015] A second moving motor is fixedly connected in the base, and the output end of the second moving motor is fixedly connected with a synchronous wheel.
[0016] As a further description of the above technical solution:
[0017] One end of the auxiliary threaded shaft is fixedly connected with a synchronous wheel, both ends of the second threaded shaft are fixedly connected with synchronous wheels, and a plurality of groups of second transmission drums are connected through synchronous belts.
[0018] The utility model has the advantages of the following beneficial effects:
[0019] The utility model discloses, first through the extension pipe is inserted into the steel pipe inside, through the connecting pipe to the inside of extension pipe's plastic space injection plastic material, through the connecting pipe to the inside of extension pipe's dry space injection hot air, and the steel pipe is clamped between the fixed disc and first drive rotary drum, and the first rotary motor drives the first drive rotary drum rotation through the gear, and the first drive rotary drum rotates with the steel pipe, and the plastic material sprays from the side of extension pipe's shower nozzle, thereby carries out the even plastic coating to the inside of steel pipe, and the hot air flows from the air outlet pipe, can heat solidification to the plastic material, thereby when the steel pipe is transferred, and the plastic coating becomes uneven because of moving. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the perspective drawing of the utility model;
[0021] Figure 2 It is the base first part cross section three -dimensional structure drawing of the utility model;
[0022] Figure 3 It is the base second part cross section three -dimensional structure drawing of the utility model;
[0023] Figure 4 It is the extension pipe cross section three -dimensional structure drawing of the utility model.
[0024] Legend:
[0025] 1, base, 2, first sliding fixed seat, 3, sliding block, 4, second sliding fixed seat, 5, first mobile motor, 6, first threaded shaft, 7, mounting seat, 8, first rotary motor, 9, gear, 10, first drive rotary drum, 11, second mobile motor, 12, synchronous wheel, 13, accessory threaded shaft, 14, second threaded shaft, 15, support cylinder, 16, second drive rotary drum, 17, fixed disc, 18, extension pipe, 19, fixed pipe, 20, connecting pipe, 21, air cylinder, 22, support seat. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0027] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0028] Referring to Figures 1-4 The utility model provides an embodiment: a kind of steel pipe plastic coating production device, including base 1, one end rotationally connected with second threaded shaft 14 in base 1 interior, second threaded shaft 14 surface is connected with second sliding fixed seat 4, second sliding fixed seat 4 is slidably connected in base 1 interior, second sliding fixed seat 4 upper end is rotationally connected with second transmission rotating cylinder 16, second transmission rotating cylinder 16 middle surface is fixedly connected with limit ring, and limit ring is rotationally connected in second sliding fixed seat 4 interior, second transmission rotating cylinder 16 one end is fixedly connected with fixed disc 17, second sliding fixed seat 4 upper end is fixedly connected with support cylinder 15 on the side away from fixed disc 17, support cylinder 15 and support cylinder 15 middle part are slidably connected with extension pipe 18, extension pipe 18 one end is fixedly connected with fixed pipe 19, fixed pipe 19 is slidably connected in support cylinder 15 middle part, fixed pipe 19 both sides are fixedly connected with connecting pipe 20, two groups of connecting pipe 20 middle part are all provided with electromagnetic valve, drying space and plastic coating space are respectively arranged in the extension pipe 18 and fixed pipe 19 interior two sides, the drying space and plastic coating space in the extension pipe 18 and fixed pipe 19 interior are respectively communicated with two groups of connecting pipe 20, extension pipe 18 one side is provided with a plurality of gas outlets, and the gas outlet is communicated with drying space, extension pipe 18 other side is provided with spray head, and spray head is communicated with plastic coating space.
[0029] The one end of the auxiliary threaded shaft 13 is fixedly connected with the synchronous wheel 12, the two ends of the second threaded shaft 14 are fixedly connected with the synchronous wheel 12, the second transmission rotating drum 16 is connected through the synchronous belt, the inside of the base 1 is fixedly connected with the second moving motor 11, the output end of the second moving motor 11 is fixedly connected with the synchronous wheel 12, the inside of the base 1 is rotatably connected with two groups of auxiliary threaded shafts 13, the surface of the auxiliary threaded shaft 13 is fixedly connected with the sliding block 3, the inside of the sliding block 3 is fixedly connected with the air cylinder 21, the output end of the air cylinder 21 is fixedly connected with the support base 22, the support base 22 is located below the extension pipe 18, one side of the first sliding fixed base 2 is fixedly connected with the mounting seat 7, the middle of the mounting seat 7 is fixedly connected with the first rotating motor 8, the output end of the first rotating motor 8 is fixedly connected with the gear 9, the gear 9 is rotatably connected in the inside of the first sliding fixed base 2, the gear 9 is meshed with the clamping tooth on the surface of the first transmission rotating drum 10, the upper end of the first sliding fixed base 2 is rotatably connected with the first transmission rotating drum 10, the center axis of the first transmission rotating drum 10 is same with the center axis of the extension pipe 18, the middle surface of the first transmission rotating drum 10 is fixedly connected with the clamping tooth, the other end of the inside of the base 1 is fixedly connected with the first moving motor 5, the output end of the first moving motor 5 is fixedly connected with the first threaded shaft 6, the surface of the first threaded shaft 6 is rotatably connected with the first sliding fixed base 2, and the first sliding fixed base 2 is slidably connected in the inside of the base 1.
[0030] Working principle: in use, the second moving motor 11 drives the auxiliary threaded shaft 13 and the second threaded shaft 14 to rotate counterclockwise through the synchronous wheel 12 and the synchronous belt, so that the sliding block 3 and the second sliding fixed seat 4 slide along the auxiliary threaded shaft 13 and the second threaded shaft 14 respectively, when the sliding block 3 and the second sliding fixed seat 4 slide to the other side of the base 1, the steel pipe is sleeved outside the extension pipe 18, at the same time, the support seat 22 is pushed upward by the air cylinder 21, so that the support seat 22 supports the steel pipe, and one end of the steel pipe abuts against the fixed disc 17, the second transmission rotating drum 16 can rotate around the second sliding fixed seat 4, and the limiting ring can avoid the second transmission rotating drum 16 from falling off the upper end of the second sliding fixed seat 4, then the second moving motor 11 drives the auxiliary threaded shaft 13 and the second threaded shaft 14 to rotate clockwise through the synchronous wheel 12 and the synchronous belt, so that the sliding block 3 and the second sliding fixed seat 4 slide along the auxiliary threaded shaft 13 and the second threaded shaft 14 to the original position respectively, then the first moving motor 5 drives the first threaded shaft 6 to rotate, so that the first sliding fixed seat 2 moves along the first threaded shaft 6 to the extension pipe 18, so that the first transmission rotating drum 10 abuts against the steel pipe, so that the steel pipe is clamped between the first transmission rotating drum 10 and the fixed disc 17, then the support seat 22 is driven downward by the air cylinder 21, so that the support seat 22 is separated from the steel pipe, the first rotating motor 8 drives the first transmission rotating drum 10 to rotate through the gear 9, the first transmission rotating drum 10 rotates with the steel pipe, the steel pipe rotates at the same time, the second transmission rotating drum 16 rotates with the fixed disc 17, the electromagnetic valve is opened, plastic material is injected into the plastic coating space in the extension pipe 18 through the connecting pipe 20, hot air is injected into the drying space in the extension pipe 18 through the connecting pipe 20, the steel pipe is clamped between the fixed disc 17 and the first transmission rotating drum 10, the first rotating motor 8 drives the first transmission rotating drum 10 to rotate through the gear 9, the first transmission rotating drum 10 rotates with the steel pipe, the plastic material is sprayed from the nozzle on one side of the extension pipe 18, so that the inside of the steel pipe is uniformly coated with plastic, the hot air flows out from the air outlet pipe, so that the plastic material is heated and solidified, so that when the steel pipe is transferred, the plastic coating becomes uneven due to movement, through the external plastic coating structure, the steel pipe surface is coated with plastic material, after coating, the first rotating motor 8 stops rotating, the lower steel pipe can be taken out, and the above process is repeated to coat other steel pipes.
[0031] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A device for the production of plastic-coated steel pipes, comprising a base (1), characterized in that: The second threaded shaft (14) is surface threaded and connected with the second sliding fixed base (4), the second sliding fixed base (4) is slidingly connected inside the base (1), the upper end of the second sliding fixed base (4) is rotatably connected with the second transmission rotating drum (16), the middle part of the surface of the second transmission rotating drum (16) is fixedly connected with a limiting ring, and the limiting ring is rotatably connected inside the second sliding fixed base (4), one end of the second transmission rotating drum (16) is fixedly connected with a fixed disc (17), the upper end of the second sliding fixed base (4) is fixedly connected with a supporting cylinder (15) away from the fixed disc (17), the supporting cylinder (15) and the supporting cylinder (15) are slidingly connected with an extension pipe (18), one end of the extension pipe (18) is fixedly connected with a fixed pipe (19), the fixed pipe (19) is slidingly connected in the middle part of the supporting cylinder (15), the fixed pipe (19) is fixedly connected with a connecting pipe (20) on both sides, the middle part of the two groups of connecting pipes (20) is provided with an electromagnetic valve, the inside of the extension pipe (18) and the fixed pipe (19) is respectively provided with a drying space and a plastic coating space, the drying space and the plastic coating space in the extension pipe (18) and the fixed pipe (19) are respectively communicated with the two groups of connecting pipes (20), a plurality of gas outlets are arranged on one side of the extension pipe (18), and the gas outlets are communicated with the drying space, a spray head is arranged on the other side of the extension pipe (18), and the spray head is communicated with the plastic coating space.
2. A device for producing plastic coated steel pipes according to claim 1, characterized in that: The other end of the base (1) is fixedly connected with a first moving motor (5), the output end of the first moving motor (5) is fixedly connected with a first threaded shaft (6), and the surface of the first threaded shaft (6) is rotatably connected with a first sliding fixed base (2), and the first sliding fixed base (2) is slidingly connected inside the base (1).
3. The apparatus for producing a plastic coated steel pipe according to claim 2, wherein: The upper end of the first sliding fixed base (2) is rotatably connected with a first transmission rotating drum (10), and the center axis of the first transmission rotating drum (10) is the same as the center axis of the extension pipe (18), and the middle part of the surface of the first transmission rotating drum (10) is uniformly fixedly connected with a toothed.
4. The apparatus for producing a plastic coated steel pipe according to claim 3, wherein: One side of the first sliding fixed base (2) is fixedly connected with a mounting seat (7), the middle part of the mounting seat (7) is fixedly connected with a first rotating motor (8), the output end of the first rotating motor (8) is fixedly connected with a gear (9), and the gear (9) is rotatably connected inside the first sliding fixed base (2), and the gear (9) is meshed with the teeth on the surface of the first transmission rotating drum (10).
5. The apparatus for producing a plastic coated steel pipe according to claim 3, wherein: The inside of the base (1) is rotatably connected with two groups of auxiliary threaded shafts (13), the surface of the auxiliary threaded shaft (13) is threaded and connected with a sliding block (3), and the sliding block (3) is slidingly connected inside the base (1), the inside of the sliding block (3) is fixedly connected with an air cylinder (21), the output end of the air cylinder (21) is fixedly connected with a supporting seat (22), and the supporting seat (22) is located at the lower end of the extension pipe (18).
6. A device for the production of plastic coated steel pipes according to claim 5, characterized in that: The base (1) is internally fixedly connected with a second moving motor (11), and the output end of the second moving motor (11) is fixedly connected with a synchronous wheel (12).
7. A device for the production of plastic coated steel pipes according to claim 6, characterized in that: One end of the auxiliary threaded shaft (13) is fixedly connected with a synchronous wheel (12), both ends of the second threaded shaft (14) are fixedly connected with a synchronous wheel (12), and a plurality of groups of second transmission rotating drums (16) are connected through synchronous belts.