A pipe end trimming machine for anti-corrosion and thermal insulation pipe anti-corrosion layer

The pipe end trimming machine addresses inefficiencies in existing machines by using servo motors and oil cylinders for automated, dust-free, and precise anti-corrosion layer removal, enhancing construction efficiency and assembly quality.

CN108311759BActive Publication Date: 2024-12-20SICHUAN CHENGDU JINDUN OIL & GAS PIPING INSTALLATION ENG CO LTD
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Patent Information

Application Number
CN201810187184.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2018-03-07
Publication Date
2024-12-20
Estimated Expiration
2038-03-07

AI Technical Summary

Technical Problem

Existing pipe end trimming machines for anti-corrosion and thermal insulation pipes are slow, inefficient, and manually operated, leading to environmental pollution and suboptimal assembly quality due to the use of iron brushes, which results in uneven trimming and dust dispersion.

Method used

A pipe end trimming machine with servo motors and oil cylinders for automated trimming, utilizing a scraper to remove the anti-corrosion layer in a controlled manner, ensuring neat cuts without dust and manual intervention, and capable of trimming in multiple directions.

Benefits of technology

The machine achieves fast, automated, and clean trimming of anti-corrosion layers, improving construction efficiency and assembly quality by eliminating dust pollution and reducing labor intensity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a pipe end trimming machine for the anti-corrosion layer of an anti-corrosion insulation pipe, comprising a base and an insulation pipe, support devices are provided on both sides of the base, a baffle is fixed on one side of the upper end of the base, a rotating block is rotatably connected to one side of the baffle, and a threaded rod is threadedly sleeved on the rotating block. The present invention realizes automatic trimming of the anti-corrosion layer of the anti-corrosion insulation pipe, with a high degree of automation, no manual assistance is required, and the labor intensity of the staff is reduced. A scraper is used to remove the anti-corrosion layer, and the removed anti-corrosion layer is in block shape, which does not generate dust and reduces pollution to the environment. The end trimmed by the scraper is neat and convenient for subsequent construction and use. The driving device and the oil cylinder cooperate to enable all-round trimming of the anti-corrosion layer without leaving dead corners, and the trimming speed is fast, which effectively improves the construction efficiency, has a simple structure, is easy to operate, and is suitable for promotion.
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Description

Technical Field

[0001] The invention relates to the technical field of anti-corrosion and thermal insulation steel pipes, and in particular to a pipe end trimmer for an anti-corrosion layer of an anti-corrosion and thermal insulation pipe. Background Art

[0002] Anti-corrosion and thermal insulation pipe is a kind of pipeline widely used in the fields of construction, medicine, petrochemical industry, etc., for the transportation of water, steam, oil, and liquid chemical raw materials. During the manufacturing process of anti-corrosion and thermal insulation pipe, in order to facilitate docking in the later assembly, it is often necessary to trim the anti-corrosion layer at the end of the anti-corrosion and thermal insulation pipe. The pipe end trimming machine has become a common equipment for trimming the pipe end of anti-corrosion and thermal insulation pipe. In the past, the pipe end trimming machine used an iron brush to trim the anti-corrosion layer. The disadvantage of this method is that the trimming speed is slow and the pipe end is not trimmed neatly, which not only brings inconvenience to the assembly and docking, but also affects the docking quality to a certain extent. During the trimming, powder flies and spreads everywhere, which seriously pollutes the environment. It cannot be trimmed automatically and requires manual assistance, which reduces work efficiency. For this reason, we proposed a pipe end trimming machine for the anti-corrosion layer of anti-corrosion and thermal insulation pipe to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a pipe end trimming machine for the anti-corrosion layer of an anti-corrosion and thermal insulation pipe.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A machine for trimming the ends of anti-corrosion and thermal insulation pipe anti-corrosion layers comprises a base and an insulation pipe, support devices are provided on both sides of the base, a baffle is fixed on one side of the upper end of the base, a rotating block is rotatably connected to one side of the baffle, a threaded rod is threadedly sleeved on the rotating block, and one end of the threaded rod passes through the rotating block and extends to the other side of the baffle, a placement plate is fixed on the lower end of one side of the baffle, a first driving device is fixed on the upper end of the placement plate, and the output shaft of the first driving device and the rotating block are rotatably connected via a second rotating belt, two first oil cylinders parallel to each other are fixed on the other side of the baffle, a turntable is provided on the other side of the baffle, and the The turntable is provided with two rotating grooves parallel to each other, and a moving groove is provided on one side of the turntable. Two moving blocks parallel to each other are installed in the moving groove, and the moving blocks correspond to the first oil cylinder one by one. The end of the piston rod of the first oil cylinder is fixedly connected to one side of the moving block. The turntable is provided with an opening, and one end of the threaded rod passes through the opening and extends to the other side of the turntable. Two fixed rods parallel to each other are fixed on the other side of the baffle, and both fixed rods pass through the opening and extend to the other side of the turntable. A partition is fixed at one end of the two fixed rods, and one end of the threaded rod passes through the partition and extends to one side of the partition. One end of the threaded rod rotates Another partition is connected, and one side of the other partition is rotatably connected to two second connecting rods parallel to each other, one end of the two second connecting rods are rotatably connected to a clamping plate, one side of the lower end of the clamping plate is rotatably connected to the first connecting rod, one end of the two first connecting rods is rotatably connected to one side of the partition, the upper end of the base is provided with a slide groove, a slider is installed in the slide groove, one side of the upper end of the slider is provided with a groove, a second roller is installed in the groove, and the second roller corresponds to one of the rotating grooves, and a second driving device is fixed to the other side of the upper end of the slider, and the output shaft of the second driving device and the other rotating groove are connected by the first rotating groove. The driving belt is rotatably connected, a pad is fixed on one side of the upper end of the base, the insulation pipe is coated with an anti-corrosion layer, and the lower end of the insulation pipe is in conflict with the pad, the splint and the insulation pipe correspond to each other, a bearing block is fixed on one side of the opening, limiting grooves are provided on both sides of the upper end of the bearing block, a placement groove is provided on the bearing block, and the placement groove is located between the two limiting grooves, an electric telescopic rod is fixed to the bottom of the placement groove, a bearing plate is fixed on the upper end of the electric telescopic rod, limiting rods are fixed on both sides of the lower end of the bearing plate, and the limiting rods and the limiting grooves correspond one to one, a scraper is fixed on the upper end of the bearing plate, and the scraper and the anti-corrosion layer correspond.

[0006] Preferably, the supporting device includes two second oil cylinders parallel to each other arranged on both sides of the base, two parallel bearing grooves are provided on both sides of the base, and the bearing grooves are rotatably connected with the second oil cylinders, the two second oil cylinders on the same side are a group, and the lower ends of the second oil cylinders in the same group are rotatably connected with a fixed block.

[0007] Preferably, both the first driving device and the second driving device adopt servo motors.

[0008] Preferably, first rollers are provided at four corners of the lower end of the base.

[0009] Preferably, the threaded rod is made of carbon steel.

[0010] Preferably, the splint is coated with a rubber layer.

[0011] In the present invention, when in use, the insulation pipe is placed on the cushion block, the clamping plate is inserted into the insulation pipe, the first driving device drives the rotating block to rotate through the second transmission belt, thereby adjusting the threaded rod, the movement of the threaded rod drives the partition plate to move, the movement of the partition plate causes the first connecting rod and the second connecting rod to rotate, so that the clamping plate moves and contacts the insulation pipe for fixing, and at the same time the second driving device drives the turntable to rotate through the first transmission belt, the second roller supports the turntable, the first oil cylinder drives the turntable to move, the electric telescopic rod drives the bearing plate to move so that the scraper moves to trim the anti-corrosion layer, and the driving devices all use servo motors S GMGV-13ADC61, the present invention realizes the automatic trimming of the anti-corrosion layer of the anti-corrosion insulation pipe, has a high degree of automation, does not require manual assistance, reduces the labor intensity of the staff, uses a scraper to remove the anti-corrosion layer, and the removed anti-corrosion layer is in block shape, does not generate dust, and reduces pollution to the environment. The port trimmed by the scraper is neat, which is convenient for subsequent construction and use. The cooperation of the driving device and the oil cylinder enables the anti-corrosion layer to be trimmed in all directions without leaving dead corners, and the trimming speed is fast, which effectively improves the construction efficiency. The structure is simple, easy to operate, and suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A front view of a pipe end trimming machine for an anti-corrosion layer of an anti-corrosion and thermal insulation pipe proposed by the present invention;

[0013] Figure 2 A side view of a pipe end trimming machine for an anti-corrosion and thermal insulation pipe anti-corrosion layer provided by the present invention; Figure 3 The present invention is a schematic diagram of the internal structure of a turntable of a pipe end trimming machine for an anti-corrosion and thermal insulation pipe anti-corrosion layer.

[0014] In the figure: 1 anti-corrosion layer, 2 insulation pipe, 3 cushion block, 4 base, 5 first roller, 6 threaded rod, 7 partition, 8 clamping plate, 9 first connecting rod, 10 second connecting rod, 11 first oil cylinder, 12 baffle, 13 rotating groove, 14 first transmission belt, 15 turntable, 16 second rotating belt, 17 rotating block, 18 fixed rod, 19 first driving device, 20 placement plate, 21 second roller, 22 groove, 23 slide groove, 24 bearing groove, 25 second oil cylinder, 26 fixed block, 27 second driving device, 28 slider, 29 opening, 30 scraper, 31 bearing plate, 32 electric telescopic rod, 33 limit rod, 34 limit groove, 35 movable groove, 36 movable block. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] Reference Figure 1-3A pipe end trimming machine for anti-corrosion and thermal insulation pipe anti-corrosion layer includes a base 4 and an insulation pipe 2. Support devices are provided on both sides of the base 4 to facilitate stable support and smooth trimming. A baffle 12 is fixed on one side of the upper end of the base 4. A rotating block 17 is rotatably connected to one side of the baffle 12 for easy rotation. A threaded rod 6 is threadedly sleeved on the rotating block 17 to facilitate the rotation of the threaded rod 6. One end of the threaded rod 6 passes through the rotating block 17 and extends to the other side of the baffle 12. A placement plate 20 is fixed to the lower end of one side of the baffle 12. A first driving device 19 is fixed to the upper end of the placement plate 20 for stable output. The output shaft of the first driving device 19 is rotatably connected to the rotating block 17 through a second rotating belt 16. The first driving device 19 drives the rotating block 17 through the second transmission belt 16. The movable block 17 rotates to rotate the threaded rod 6 to adjust the position of the threaded rod 6. Two mutually parallel first oil cylinders 11 are fixed on the other side of the baffle 12. A turntable 15 is provided on the other side of the baffle 12 for easy rotation. Two mutually parallel rotating grooves 13 are provided on the turntable 15. A moving groove 35 is provided on one side of the turntable 15. Two mutually parallel moving blocks 36 are installed in the moving groove 35, and the moving blocks 36 and the first oil cylinder 11 correspond one to one. The end of the piston rod of the first oil cylinder 11 is fixedly connected to one side of the moving block 36. The first oil cylinder 11 is telescopic to push the turntable 15 to move. An opening 29 is provided on the turntable 15 for easy installation and movement. One end of the threaded rod 6 passes through the opening 29 and extends to the other side of the turntable 15. The other side of the baffle 12 is fixed There are two mutually parallel fixing rods 18, and both fixing rods 18 pass through the opening 29 and extend to the other side of the turntable 15, one end of the two fixing rods 18 is commonly fixed with a partition 7 for easy installation, and one end of the threaded rod 6 passes through the partition 7 and extends to one side of the partition 7, one end of the threaded rod 6 is rotatably connected to another partition 7, one side of the other partition 7 is rotatably connected to two mutually parallel second connecting rods 10, one end of the two second connecting rods 10 are rotatably connected to a clamping plate 8, one side of the lower end of the clamping plate 8 is rotatably connected to a first connecting rod 9, one end of the two first connecting rods 9 are rotatably connected to one side of the partition 7, the movement of the threaded rod 6 drives the partition 7 to move, the movement of the partition 7 causes the first connecting rod 9 and the second connecting rod 10 to rotate, so that the clamping plate 8 Movement, a slide groove 23 is provided at the upper end of the base 4, and a slider 28 is installed in the slide groove 23 for easy movement. A groove 22 is provided on one side of the upper end of the slider 28, and a second roller 21 is installed in the groove 22, and the second roller 21 corresponds to one of the rotating grooves 13. The second roller 21 and the turntable 15 play a supporting role and facilitate the rotation of the turntable 15. A second driving device 27 is fixed to the other side of the upper end of the slider 28, and the output shaft of the second driving device 27 and the other rotating groove 13 are rotatably connected through the first rotating belt 14. The second driving device 27 drives the turntable 15 to rotate through the first transmission belt 14. A cushion block 3 is fixed to one side of the upper end of the base 4, and the insulation pipe 2 is coated with an anti-corrosion layer 1 for anti-corrosion, and the lower end of the insulation pipe 2 is in conflict with the cushion block 3.The clamping plate 8 corresponds to the insulation pipe 2. The clamping plate 8 moves and contacts the insulation pipe 2 for fixing. A bearing block is fixed on one side of the opening 29. Limiting grooves 34 are provided on both sides of the upper end of the bearing block. A placement groove is provided on the bearing block, and the placement groove is located between the two limiting grooves 34. An electric telescopic rod 32 is fixed to the bottom of the placement groove to facilitate the control of the position of the scraper 30 and remove the anti-corrosion layer 1. A bearing plate 31 is fixed to the upper end of the electric telescopic rod 32. Limiting rods 33 are fixed on both sides of the lower end of the bearing plate 31, and the limiting rods 33 and the limiting grooves 34 correspond one to one. A scraper 30 is fixed to the upper end of the bearing plate 31, and the scraper 30 corresponds to the anti-corrosion layer 1. The electric telescopic rod 32 pushes the bearing plate 31 to move the scraper 30 to trim the anti-corrosion layer 1.

[0017] In the present invention, the supporting device includes two second oil cylinders 25 parallel to each other arranged on both sides of the base 4, and two parallel bearing grooves 24 are provided on both sides of the base 4 for easy installation, and the second oil cylinders 25 are rotatably connected in the bearing grooves 24 for easy adjustment. The two second oil cylinders 25 on the same side form a group, and the lower ends of the second oil cylinders 25 in the same group are rotatably connected with a fixed block 26 for stable support. The first drive device 19 and the second drive device 27 both adopt servo motors for stable output. The four corners of the lower end of the base 4 are provided with first rollers 5 for easy movement. The threaded rod 6 is made of carbon steel, which is strong and durable. The splint 8 is coated with a rubber layer to protect the inside of the insulation pipe 2 from damage.

[0018] In the present invention, when in use, the insulation pipe 2 is placed on the cushion block 3, the splint 8 is inserted into the insulation pipe 2, and the first driving device 19 drives the rotating block 17 to rotate through the second transmission belt 16, thereby adjusting the threaded rod 6. The movement of the threaded rod 6 drives the partition 7 to move, and the movement of the partition 7 causes the first connecting rod 9 and the second connecting rod 10 to rotate, so that the splint 8 moves and contacts the insulation pipe 2 for fixation. At the same time, the second driving device 27 drives the turntable 15 to rotate through the first transmission belt 14, and the second roller 21 supports the turntable 15. The first oil cylinder 11 pushes the turntable 15 to move, and the electric telescopic rod 32 pushes the bearing plate 31 to move so that the scraper 30 moves to trim the anti-corrosion layer 1. The driving devices all use servo motors SGMGV-13ADC61.

[0019] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A machine for trimming the end of an anti-corrosion layer of an anti-corrosion thermal insulation pipe, comprising a base (4) and an insulation pipe (2), characterized in that: Support devices are provided on both sides of the base (4); a baffle (12) is fixed on one side of the upper end of the base (4); a rotating block (17) is rotatably connected to one side of the baffle (12); a threaded rod (6) is threadedly sleeved on the rotating block (17); one end of the threaded rod (6) passes through the rotating block (17) and extends to the other side of the baffle (12); a placement plate (20) is fixed on the lower end of one side of the baffle (12); a first driving device (19) is fixed on the upper end of the placement plate (20); and an output shaft of the first driving device (19) and the rotating block (17) are rotatably connected via a second rotating belt (16); two first oil cylinders (11) parallel to each other are fixed on the other side of the baffle (12); and the baffle (12) is provided with a plurality of first oil cylinders (11) extending from the upper end of the baffle (12). ) is provided on the other side of the rotating disk (15), the rotating disk (15) is provided with two mutually parallel rotating grooves (13), one side of the rotating disk (15) is provided with a moving groove (35), two mutually parallel moving blocks (36) are installed in the moving groove (35), and the moving blocks (36) and the first oil cylinder (11) correspond to each other one by one, the piston rod end of the first oil cylinder (11) is fixedly connected to one side of the moving block (36), the rotating disk (15) is provided with an opening (29), and one end of the threaded rod (6) passes through the opening (29) and extends to the other side of the rotating disk (15), and two mutually parallel fixed rods (18) are fixed on the other side of the baffle (12), and both of the two fixed rods (18) pass through the opening (29) and extend to the rotating disk On the other side of the partition (15), one end of the two fixing rods (18) is commonly fixed with a partition (7), and one end of the threaded rod (6) passes through the partition (7) and extends to one side of the partition (7), one end of the threaded rod (6) is rotatably connected to another partition (7), one side of the other partition (7) is rotatably connected to two second connecting rods (10) parallel to each other, one end of the two second connecting rods (10) is rotatably connected to a clamping plate (8), one side of the lower end of the clamping plate (8) is rotatably connected to a first connecting rod (9), one end of the two first connecting rods (9) is commonly rotatably connected to one side of the partition (7), and a slide groove (23) is provided at the upper end of the base (4), a slider (28) is installed in the slide groove (23), and the slider (28) A groove (22) is provided on one side of the upper end, a second roller (21) is installed in the groove (22), and the second roller (21) corresponds to one of the rotating grooves (13). A second driving device (27) is fixed on the other side of the upper end of the slider (28), and the output shaft of the second driving device (27) and the other rotating groove (13) are rotatably connected via a first rotating belt (14). A cushion block (3) is fixed on one side of the upper end of the base (4). The insulation pipe (2) is coated with an anti-corrosion layer (1), and the lower end of the insulation pipe (2) is in contact with the cushion block (3). The clamping plate (8) corresponds to the insulation pipe (2). A bearing block is fixed on one side of the opening (29), and limiting grooves (34) are provided on both sides of the upper end of the bearing block.The bearing block is provided with a placement groove, and the placement groove is located between two limit grooves (34). An electric telescopic rod (32) is fixed at the bottom of the placement groove. A bearing plate (31) is fixed at the upper end of the electric telescopic rod (32). Limit rods (33) are fixed on both sides of the lower end of the bearing plate (31), and the limit rods (33) and the limit grooves (34) correspond one to one. A scraper (30) is fixed at the upper end of the bearing plate (31), and the scraper (30) corresponds to the anti-corrosion layer (1). The supporting device includes two second oil cylinders (25) arranged on both sides of the base (4), and two parallel bearing grooves (24) are arranged on both sides of the base (4). The bearing grooves (24) are rotatably connected to the second oil cylinders (25). The two second oil cylinders (25) on the same side form a group, and the lower ends of the second oil cylinders (25) in the same group are rotatably connected to the fixed block (26). The threaded rod (6) is made of carbon steel.

2. The anti-corrosion and thermal insulation pipe anti-corrosion layer pipe end trimming machine according to claim 1 is characterized in that: The first drive device (19) and the second drive device (27) both use servo motors.

3. The anti-corrosion layer pipe end trimming machine of the anti-corrosion insulation pipe according to claim 1 is characterized in that: First rollers (5) are provided at four corners of the lower end of the base (4).

4. The anti-corrosion and thermal insulation pipe anti-corrosion layer pipe end trimming machine according to claim 1, characterized in that: The clamping plate (8) is coated with a rubber layer.

Citation Information

Patent Citations

  • Anticorrosive insulating tube anticorrosive coating pipe end finisher

    CN208276298U