Online mark removing device for PP-R pipe

By designing a multi-function planer and guide positioning seat PP-R pipe online marking removal device, the problem of difficulty in removing laser marks is solved, and efficient and convenient laser mark removal is achieved, adapting to the processing of pipes of different sizes.

CN223146084UActive Publication Date: 2025-07-25WUHAN KINGBULL ECONOMIC DEV
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Patent Information

Application Number
CN202422355819.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-25
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

In the prior art, laser marking of PP-R pipes is difficult to remove efficiently, especially during recycling and utilization. Traditional solvent erasing methods are inconvenient and physical removal efficiency is low, resulting in management difficulties.

Method used

An online marking removal device including a multi-functional planer and a guide positioning seat is designed. The laser marking is removed by using the planer to ensure that the pipe guide is accurate and adapted to pipes of different sizes.

Benefits of technology

It realizes efficient removal of PP-R pipe laser marks, adapts to pipes of different sizes, improves removal efficiency and operational convenience, and expands the application range.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PP-R pipe on-line mark removing device which comprises a machine frame, a thicknessing assembly and more than one guiding positioning seat, the machine frame comprises a working platform, the thicknessing assembly comprises a multifunctional thicknessing machine, the multifunctional thicknessing machine is installed on the working platform, the multifunctional thicknessing machine comprises a thicknessing chamber, and the thicknessing chamber is installed on the working platform. More than one guide positioning seat is arranged on one side of the multifunctional thicknessing machine, the guide positioning seats are strip-shaped, a row of uniformly distributed guide positioning grooves are formed in the guide positioning seats along the length direction of the guide positioning seats, each guide positioning seat is fixed on the working platform, and the length direction of each guide positioning seat is perpendicular to the moving direction of a PP-R pipe to be planed. The device is simple in structure, convenient to operate, capable of rapidly removing laser marks on PP-R pipe waste products, good in removal effect and high in removal efficiency.
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Description

Technical Field

[0001] The utility model relates to the technical field of polyolefin pipe production, and particularly relates to an on-line marking removal device for PP-R pipes. Background Technique

[0002] The 10th part of the national standard for polypropylene (PP-R) pipe systems for cold and hot water, "GB / T 18742.2-2017 Polypropylene pipe systems for cold and hot water", has clear and strict control requirements for pipe markings, such as: manufacturer, trademark, date, batch number, standard number, etc.

[0003] The traditional pipe marking method uses ink jet coding. This marking method has many disadvantages: such as high ink consumption cost, and the jet-coded markings are easily scratched off. When recycling pipes with incorrect jet coding, it is necessary to use hazardous chemical solvents to wipe off the ink markings, which has problems such as inconvenient operation and difficult management.

[0004] With the development of laser marking technology, more and more laser-marked pipes are being used, especially the deep ultraviolet UV light curing method. However, the markings on the pipes after this method cannot be wiped off with solvents. When it is necessary to remove the marked areas before recycling and granulating defective PP-R pipes by physical cutting. Therefore, there is an urgent need to design a device for physically removing laser markings, which is used to remove the laser markings on defective PP-R pipes and then recycle them. Summary of the Invention

[0005] Based on the above-mentioned prior art, the utility model provides an on-line marking removal device for PP-R pipes. The device has a simple structure and convenient operation, can quickly remove the laser markings on PP-R pipe waste products, has good removal effect and high removal efficiency.

[0006] The technical solution adopted to achieve the above object of the utility model is as follows:

[0007] An on-line marking removal device for PP-R pipes includes a frame, a multi-functional planer assembly, and more than one guiding and positioning seat. The frame includes a working platform. The multi-functional planer assembly includes a multi-functional planer, and the multi-functional planer is installed on the working platform. The multi-functional planer includes a planing chamber. More than one guiding and positioning seat is located on one side of the multi-functional planer. The guiding and positioning seat is strip-shaped, and a row of evenly distributed guiding and positioning grooves is provided along the length direction of the guiding and positioning seat. Each guiding and positioning seat is fixed on the working platform, and the length direction of each guiding and positioning seat is perpendicular to the moving direction of the PP-R pipe to be planed.

[0008] One or more placement grooves for installing the guiding and positioning seats are formed on the working platform. The longitudinal section of the guiding and positioning seat is T-shaped. The shorter bottom of each guiding and positioning seat is located in the corresponding placement groove. The two ends of each guiding and positioning seat are in contact with the top surface of the working platform, and the two ends of each guiding and positioning seat are fixed to the working platform by screws.

[0009] When there are two or more guiding and positioning seats, the two or more guiding and positioning seats are sequentially distributed along the moving direction of the PP-R pipe to be planed. The guiding and positioning seats on both sides are respectively close to the edge of the multi-functional planer and the working platform.

[0010] The guiding and positioning groove is U-shaped.

[0011] The frame further includes a bottom support frame, a top support frame, four columns and four adjusting feet. Both the top support frame and the bottom support frame are square. The upper ends of the four columns are respectively fixedly connected to the four corners of the top support frame, and the lower ends of the four columns are respectively fixedly connected to the four corners of the bottom support frame. The working platform is fixed to the top support frame. Horizontally arranged connecting ear plates are respectively provided at the four corners of the bottom support frame. The four connecting ear plates are square-shaped. Two of the connecting ear plates are respectively connected to the two ends of the frame of one length direction of the bottom support frame, and the other two connecting ear plates are respectively connected to the two ends of the frame of the other length direction of the bottom support frame. The four adjusting feet respectively penetrate through the four connecting ear plates, and the four adjusting feet are respectively threadedly connected to the four connecting ear plates.

[0012] A through groove is formed on the working platform. The planing assembly further includes a pair of supporting plates. The two supporting plates are symmetrically arranged directly below the through groove. The two ends of each supporting plate are fixed to the frame by support screws and adjusting nuts. The multi-functional planer penetrates through the through groove, and both sides of the bottom of the multi-functional planer are respectively fixed to the two supporting rods.

[0013] Compared with the prior art, the beneficial effects and advantages of the present utility model are as follows:

[0014] 1. The device uses a multi-functional planer to plane the laser mark on the waste PP-R pipe. The laser mark on the waste PP-R pipe is effectively removed by a physical method. The removal effect is good and the removal efficiency is high. At the same time, since the height of the planing chamber of the multi-functional planer can be adjusted, the laser mark removal treatment can be carried out on waste PP-R pipes of different sizes, with a wide application range and strong practicability.

[0015] 2. The device is provided with guiding and positioning seats, which can guide and position the circular PP-R pipe, avoid the PP-R pipe from running off during planing, ensure the removal effect, and at the same time, the laser marks on multiple waste PP-R pipes can be removed simultaneously through the guiding and positioning seats, further improving the removal efficiency. Description of the Drawings

[0016] Figure 1 It is a structural schematic diagram of an on-line marking removal device for PP-R pipes.

[0017] Figure 2 It is Figure 1 the left view of

[0018] Figure 3 It is Figure 2 the sectional view taken along the A-A direction in

[0019] Figure 4 the structural schematic diagram of the guiding and positioning seat.

[0020] Among them, 1 - working platform, 2 - bottom support frame, 3 - column, 4 - connecting ear plate, 5 - adjusting foot, 6 - multi-functional planer, 7 - through groove, 8 - guiding and positioning seat, 9 - guiding and positioning groove, 10 - placing groove, 11 - supporting rod, 12 - top support frame, 13 - supporting screw rod, 14 - adjusting nut, 15 - PP-R pipe waste product. Specific embodiments

[0021] The following will describe the present utility model in detail with reference to the accompanying drawings.

[0022] The structure of the on-line marking removal device for PP-R pipes provided in this embodiment is as Figures 1-3 shown, including a frame, a planing component and a guiding and positioning seat.

[0023] The frame includes a working platform 1, a bottom support frame 2, a top support frame 12, four columns 3 and four adjusting feet 4. The working platform 1, the top support frame and the bottom support frame 2 are all square. The top support frame, the bottom support frame 2 and the columns 3 are all made of square steel pipes. The upper ends of the four columns 3 are respectively welded to the four corners of the top support frame, and the lower ends of the four columns 3 are respectively welded to the four corners of the bottom support frame 2. The four corners of the working platform 1 are respectively fixed to the four corners of the top support frame.

[0024] Horizontally arranged connecting ear plates 4 are respectively provided at the four corners of the bottom support frame 2, and the four connecting ear plates 4 are distributed in a square shape. Two of the connecting ear plates 4 are respectively connected to the two ends of a side frame in one length direction of the bottom support frame 2, and the other two connecting ear plates 4 are respectively connected to the two ends of a side frame in the other length direction of the bottom support frame 2. The four adjusting feet 5 respectively penetrate through the four connecting ear plates 4, and the four adjusting feet 5 are respectively threadedly connected to the four connecting ear plates 4. The height of the working platform 1 can be adjusted through the adjusting feet 5 so as to adapt to operators of different heights to place PP-R pipe waste products on the working platform 1 for subsequent laser marking removal operations.

[0025] The planer assembly includes a multi-functional planer 6 and a pair of supports 11. The cross-section of the support rod 11 is square. The multi-functional planer 6 (using a Prestone 12-inch table planer) includes a planing chamber where the PP-R pipe can be planed while moving forward. A square through slot 7 is formed on the working platform 1. The two support rods 11 are symmetrically arranged directly below the through slot 7. Both ends of each support rod 11 are fixed to the edge of the top support frame 12 in a length direction through a support screw 13 and an adjusting nut 14. By adjusting the position of the adjusting nut 14, the height of the support rod 11 can be adjusted, thereby adjusting the height of the planing chamber of the multi-functional planer 6. The multi-functional planer 6 penetrates through the through slot 7. Two corners of the planing chamber bottom plate in its width direction are fixed to one of the support rods 11 by screws, and the other two corners of the planing chamber bottom plate in its width direction are fixed to the other support rod 11 by screws. The length direction of the planing chamber bottom plate is parallel to the width direction of the working platform 1.

[0026] As Figure 4 shown, the guiding and positioning seat 8 is strip-shaped. A row of evenly distributed guiding and positioning grooves 9 are provided along the length direction of the guiding and positioning seat 8. The guiding and positioning grooves 9 are U-shaped. There are two guiding and positioning seats 8. On the working platform 1, two placement grooves for installing the guiding and positioning seats 8 are respectively formed on one side of the multi-functional planer 6. One of the placement grooves 10 is close to the multi-functional planer 6, and the other placement groove 10 is close to the edge of the working platform 1 in a width direction.

[0027] The longitudinal section of the guiding and positioning seat 8 is T-shaped. The shorter bottom of each guiding and positioning seat 8 is located in the corresponding placement groove 10. Both ends of each guiding and positioning seat 8 are in contact with the top surface of the working platform 1, and both ends of each guiding and positioning seat 8 are fixed to the working platform 1 by screws. The length direction of each guiding and positioning seat 8 is parallel to the length direction of the planing chamber. The guiding and positioning seat 8 and the guiding and positioning grooves 9 on the guiding and positioning seat 8 can be set to different sizes to match different specifications of PP-R pipe waste products 11. When it is necessary to replace the guiding and positioning seat 8 with a different size, the screws at both ends of the guiding and positioning seat 8 can be loosened, and the original guiding and positioning seat 8 can be replaced with the guiding and positioning seat 8 of the required size.

[0028] In use, multiple PP-R pipe waste products 15 are respectively placed on the corresponding guiding and positioning grooves 9 of the two guiding and positioning seats 8. The laser marks of each PP-R pipe waste product 15 are placed on its top. Then each PP-R pipe waste product 13 is passed through the planing chamber, and the head of the laser mark on it is positioned directly below the planing knife. Subsequently, the position of the planing knife is adjusted so that the planing knife presses the head of the laser mark on each PP-R pipe waste product 15. Then the multi-functional planing machine 6 is started, and the planing knife begins to plane off the head of the laser mark on each PP-R pipe waste product. At the same time, each PP-R pipe waste product 13 moves towards the side of the multi-functional planing machine 6 where there is no guiding and positioning seat. The planing knife starts to plane off the laser mark from the head of the laser mark. When each PP-R pipe waste product leaves the planing chamber, all the laser marks on each PP-R pipe waste product are removed.

Claims

1. An on-line marking removal device for PP-R pipes, characterized in that: It includes a frame, a planer assembly and more than one guiding and positioning seat. The frame includes a working platform. The planer assembly includes a multi-functional planer which is installed on the working platform. The multi-functional planer includes a planing chamber. More than one guiding and positioning seat is located on one side of the multi-functional planer. The guiding and positioning seat is strip-shaped. A row of evenly distributed guiding and positioning grooves is provided along the length direction of the guiding and positioning seat. Each guiding and positioning seat is fixed on the working platform, and the length direction of each guiding and positioning seat is perpendicular to the moving direction of the PP-R pipe to be planed.

2. The PP-R pipe online marking removal device according to claim 1, characterized in that: More than one placement groove for installing the guiding and positioning seat is formed on the working platform. The longitudinal section of the guiding and positioning seat is T-shaped. The shorter bottom of each guiding and positioning seat is located in the corresponding placement groove. The two ends of each guiding and positioning seat are in contact with the top surface of the working platform, and the two ends of each guiding and positioning seat are fixed on the working platform by screws.

3. The PP-R pipe online marking removal device according to claim 1, characterized in that: When there are more than two guiding and positioning seats, the more than two guiding and positioning seats are sequentially distributed along the moving direction of the PP-R pipe to be planed. The guiding and positioning seats on both sides are respectively close to the edge of the multi-functional planer and the working platform.

4. The PP-R pipe online marking removal device according to claim 1, characterized in that: The guiding and positioning groove is U-shaped.

5. The PP-R pipe online marking removal device according to claim 1, characterized in that: The frame further includes a bottom support frame, a top support frame, four columns and four adjusting feet. Both the top support frame and the bottom support frame are square. The upper ends of the four columns are respectively fixedly connected to the four corners of the top support frame. The lower ends of the four columns are respectively fixedly connected to the four corners of the bottom support frame. The working platform is fixed on the top support frame. Horizontally arranged connecting ear plates are respectively provided at the four corners of the bottom support frame. The four connecting ear plates are square-distributed. Two of the connecting ear plates are respectively connected to the two ends of the frame border in one length direction of the bottom support frame, and the other two connecting ear plates are respectively connected to the two ends of the frame border in the other length direction of the bottom support frame. The four adjusting feet respectively penetrate through the four connecting ear plates, and the four adjusting feet are respectively threadedly connected to the four connecting ear plates.

6. The PP-R pipe online marking removal device according to claim 1, characterized in that: A through groove is formed on the working platform. The planer assembly further includes a pair of supporting plates. The two supporting plates are symmetrically arranged directly below the through groove. The two ends of each supporting plate are fixed on the frame by support screws and adjusting nuts. The multi-functional planer penetrates through the through groove, and both sides of the bottom of the multi-functional planer are respectively fixed on the two supporting rods.