Burr treatment device for high-frequency welded pipe

Abstract

The invention discloses a high-frequency welded pipe burr treatment device, and relates to the technical field of high-frequency welded pipe machining, the high-frequency welded pipe burr treatment device comprises a mounting rod, an insertion rod inserted into a steel coil is mounted on the mounting rod, a tool bit used for scraping inner burrs is mounted at the tail end of the insertion rod, a scrap groove is formed in the insertion rod in the length direction, and the bottom end of the tool bit extends into the scrap groove; the tool bit and the mounting rod are located on the two sides of the induction coil correspondingly, and the inserting block abuts against the bottom end of a welding seam of a steel coil to scrape scraps. By arranging the tool bit and the brush head which are installed on the insertion rod and easy to replace, the insertion rod is inserted into a steel coil, under the movement of the steel coil, the brush head cleans the welding end face before welding, the tool bit scrapes away burrs in the welded pipe after welding, scraped scraps are temporarily stored in the scrap groove, the cleanliness of the interior of the welded pipe is guaranteed, the discharging groove is formed in the bottom end of the scrap groove, and the welding efficiency is improved. The sliding door arranged on the discharging groove is used for controlling the discharging groove to be opened and closed, after one piece of welding is completed, the inserting rod is completely exposed, and scraps in the scrap groove can be rapidly cleaned away by opening the sliding door.

Description

Technical Field

[0001] This invention belongs to the field of high-frequency welded pipe processing technology, and specifically relates to a high-frequency welded pipe burr removal device. Background Technology

[0002] High-frequency welded pipes are key pipe materials in fields such as petroleum, water supply, and machinery manufacturing. Their processing uses hot-rolled or cold-rolled steel strips as raw materials. After being slit by longitudinal cutting, the strips are gradually bent into open pipe blanks by multiple forming rollers. Then, the skin effect and eddy current heating effect of high-frequency current are used to rapidly heat the edges of the pipe blanks to the fusion temperature. Finally, the strips are pressed by extrusion rollers to form continuous welds, achieving efficient and continuous production.

[0003] However, during the welding process, the fusion edge of the tube blank is compressed, forming a raised weld bead on the inner wall of the tube, known as an internal weld burr. This burr not only increases the resistance to fluid transport within the tube but may also cause media stagnation and corrosion. Furthermore, it can easily interfere with subsequent pipeline connections and flaw detection, and may even become a stress concentration point under load, reducing the structural strength and service life of the welded pipe. Therefore, deburring the internal weld of high-frequency welded pipes after welding is a crucial process to ensure product quality and performance. Summary of the Invention

[0004] In view of the problems mentioned in the background art, the purpose of the present invention is to provide a high-frequency welded pipe burr treatment device to solve the problems mentioned in the background art.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution:

[0006] A high-frequency welded pipe burr removal device includes an installation rod, an insertion rod inserted into a steel coil is mounted on the installation rod, a cutter head for scraping out internal burrs is mounted at the end of the insertion rod, a waste chip groove is opened along the length direction of the insertion rod, the bottom end of the cutter head extends into the waste chip groove, the cutter head and the installation rod are respectively located on both sides of an induction coil, and the insertion block abuts against the bottom end of the weld of the steel coil to scrape out waste chips.

[0007] Preferably, an inclined guide trough is provided at the end of the waste chip trough, the guide trough extends downward close to the mounting rod, the guide trough is connected to the waste chip trough, and the cutter head is close to the guide trough and parallel to the guide trough.

[0008] Preferably, the cutting head is mounted on the insertion rod via a mounting head, and the cutting head is inserted into the mounting head and fixed to the mounting head by fasteners.

[0009] Preferably, a discharge trough is provided through the bottom of the waste trough, and a sliding door is installed on the discharge trough. The length of the sliding door is not shorter than the length of the discharge trough, and the width of the sliding door is greater than the width of the discharge trough. The opening and closing of the sliding door controls the opening and closing of the discharge trough.

[0010] Preferably, the bottom end of the insertion rod is provided with a groove that communicates with the discharge trough. Both the groove and the sliding door have arc-shaped cross-sections. The groove extends along the length of the insertion rod and is not shorter than the length of the discharge trough. The sliding door is slidably installed in the groove, and the arc length of the groove is at least twice the arc length of the sliding door.

[0011] Preferably, the sliding door has an open and a closed state. When the sliding door is in the open state, it slides upward into the upper position of the chute, and the discharge chute is fully open. When the sliding door is in the closed state, it slides downward into the lower position of the chute, and the discharge chute is closed.

[0012] Preferably, the sliding door is equipped with a handle.

[0013] Preferably, a plug is slidably installed on the sliding door, and a slot is provided on the corresponding insertion rod. The slot is connected to the slide groove and the opening faces outward. When the sliding door slides into the slide groove, the plug is inserted into the slot.

[0014] Preferably, the insert rod has an interconnected mounting groove and a stop groove arranged sequentially along its length near the cutter head. The diameter of the stop groove is larger than the diameter of the mounting groove. The insert block is slidably installed in the mounting groove via the connecting rod. A stop bar with a diameter larger than the connecting rod is installed at the other end of the connecting rod, and the stop bar slides in the stop groove.

[0015] Preferably, the insertion rod is equipped with a brush head for cleaning the end face of the steel coil to be welded. The brush head is located within the vertical projection range of the waste chute head and is positioned between the mounting rod and the induction coil.

[0016] This invention proposes a high-frequency welded pipe burr removal device. It features easily replaceable cutter and brush heads mounted on an insertion rod. The insertion rod is inserted into a steel coil. As the coil moves, the brush head cleans the welded end face before welding, while the cutter head scrapes away burrs from the inside of the welded pipe. The scraped debris is temporarily stored in a debris trough to maintain the cleanliness of the welded pipe. A discharge trough is located at the bottom of the debris trough, and its opening and closing are controlled by a sliding door. After all welding is completed, the insertion rod is fully exposed, and opening the sliding door allows for quick removal of debris from the debris trough.

[0017] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] Figure 1 The present invention provides a three-dimensional structure of a high-frequency welded pipe burr treatment device. Figure 1 ;

[0019] Figure 2 The present invention provides a three-dimensional structure of a high-frequency welded pipe burr treatment device. Figure 2 ;

[0020] Figure 3 The present invention provides a three-dimensional structure of a high-frequency welded pipe burr treatment device. Figure 3 ;

[0021] Figure 4 This is a front view of a high-frequency welded pipe burr removal device proposed in this invention;

[0022] Figure 5 for Figure 4 A sectional perspective view along the AA direction;

[0023] Figure 6 This is a three-dimensional structural diagram of the high-frequency welded pipe burr removal device proposed in this invention after removing the sliding door;

[0024] Figure 7 This is a top-down screenshot of the sliding door and its fixed components.

[0025] Reference numerals: 1. Mounting rod; 2. Insertion rod; 3. Waste chute; 31. Guide chute; 4. Mounting head; 5. Steel coil; 51. Weld; 6. Cutting head; 7. Fastener; 8. Brush head; 9. Discharge chute; 10. Slide groove; 11. Slide door; 12. Handle; 13. Fixing component; 131. Mounting groove; 132. Stop groove; 133. Connecting rod; 134. Stop bar; 135. Slot; 136. Insert block. Detailed Implementation

[0026] Embodiments of the present invention are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar symbols denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0027] Example 1

[0028] refer to Figures 1 to 7This embodiment describes a high-frequency welded pipe burr removal device. A steel sheet is gradually shaped into a steel coil 5 by multiple forming rollers, and then welded into a welded pipe by a welding assembly including an induction coil. The welding assembly is a commonly used technology in existing high-frequency welded pipe welding processes and is a publicly disclosed technology. Before entering the induction coil, an opening is formed between the welding end faces of the steel coil 5, including an installation rod 1. An insertion rod 2 is installed on the installation rod 1 and inserted into the steel coil 5. The insertion rod 2 is inserted into the steel coil 5 from the opening and extends towards the welding assembly. After welding, the fusion edge of the pipe blank is squeezed, forming a raised inner weld burr on the inner wall of the pipe. Therefore, a cutter head 6 for scraping out the inner burr is installed at the end of the insertion rod 2. The cutter head 6 and the installation rod 1 are located on both sides of the induction coil. A waste chip groove 3 is opened along the length of the insertion rod 2. The bottom end of the cutter head 6 extends into the waste chip groove 3. The insert block 136 abuts against the bottom end of the weld 51 of the steel coil 5 to scrape off the waste chips. The scraped waste chips are temporarily stored in the waste chip groove 3 to ensure the cleanliness of the welded pipe.

[0029] Preferably, an inclined guide groove 31 is provided at the end of the waste chip trough 3. The guide groove 31 extends downward close to the mounting rod 1 and is connected to the waste chip trough 3. The cutter head 6 is close to the guide groove 31 and parallel to the guide groove 31. The guide groove 31 guides the waste chips scraped off by the cutter head 6 into the waste chip trough 3.

[0030] Preferably, the cutter head 6 is mounted on the insertion rod 2 via a mounting head 4. The mounting head 4 has a slot to accommodate the cutter head 6, allowing for quick insertion of the cutter head 6 and ensuring the optimal tilt angle of the cutter head 6. The cutter head 6 is fixed to the mounting head 4 by a fastener 7. The cutter head 6 is prone to wear and typically needs to be replaced every 2-4 hours. Therefore, the slot and fastener 7 enable quick replacement of the cutter head 6 and ensure the optimal scraping angle.

[0031] A discharge trough 9 is provided through the bottom of the waste trough 3. A sliding door 11 is installed on the discharge trough 9. The length of the sliding door 11 is not shorter than the length of the discharge trough 9, and the width of the sliding door 11 is greater than the width of the discharge trough 9. When the sliding door 11 is opened, the waste can leak out from the discharge trough 9. When the sliding door 11 is closed, the discharge trough 9 is sealed, and the waste is temporarily stored in the waste trough 3.

[0032] Preferably, the bottom end of the insertion rod 2 is provided with a sliding groove 10 that communicates with the discharge groove 9. Both the sliding groove 10 and the sliding door 11 have arc-shaped cross sections. The sliding groove 10 extends along the length direction of the insertion rod 2 and is not shorter than the length of the discharge groove 9. The sliding door 11 is slidably installed in the sliding groove 10. The arc length of the sliding groove 10 is at least twice the arc length of the sliding door 11. When the sliding door 11 enters the sliding groove 10, the discharge groove 9 is completely open.

[0033] Preferably, a handle 12 is installed on the sliding door 11, and the sliding door 11 is opened and closed by means of the handle 12.

[0034] A fixing component 13 is installed between the sliding door 11 and the insertion rod 2, which makes the sliding door 11 stable in both open and fully closed states.

[0035] Specifically, the fixing component 13 includes an insert 136 slidably mounted on the sliding door 11 and a corresponding slot 135 opened on the insertion rod 2. The slot 135 communicates with the slide groove 10 and its opening faces outward. The fixing component 13 also includes an installation groove 131, a retaining groove 132, a connecting rod 133, and a stop rod 134. The installation groove 131 and the retaining groove 132 extend along the length direction of the insertion rod 2 and are successively close to the cutter head 6. The installation groove 131 has an outward opening. The insert 136 is mounted on the connecting rod 133. The connecting rod 133 is fixedly connected to the stop rod 134. The connecting rod 133 slides in the installation groove 131, and the stop rod 134 slides in the retaining groove 132. The diameter of the connecting rod 133 is smaller than the inner diameter of the installation groove 131, the diameter of the installation groove 131 is smaller than the diameter of the stop rod 134, and the diameter of the stop rod 134 is smaller than the diameter of the retaining groove 132. The inner wall of the retaining groove 132 blocks the stop rod 134 to prevent the connecting rod 133 from sliding out completely.

[0036] Preferably, the handle 12 is fixedly connected to the outer end of the connecting rod 133.

[0037] Preferably, the handle 12 and the fixing component 13 comprise two sets, such as Figure 7 As shown, one set of slots 135 is vertically downward and located in the middle of the slide 10, while another set of slots 135 extends horizontally and is located at the end of the slide 10. The sliding door 11 has open and closed states. When the sliding door 11 is open, it slides upward into the upper position of the slide 10, and the discharge chute 9 is fully open. The left insert 136 is inserted into the vertical slot 135, and the right insert 135 is rotated and inserted into the horizontal slot 135 to ensure the stability of the open state of the sliding door. When the sliding door 11 is closed, it slides downward into the lower position of the slide 10, and the discharge chute 9 is closed. The left insert 136 is pulled out, and the right insert 135 is rotated and inserted into the vertical slot 135 to ensure the stability of the closed state.

[0038] The welding end faces of the steel coil 5 should be kept clean, free of oil and oxide scale; otherwise, they will hinder the current conduction of the induction coil, leading to uneven heating and "false welds". Therefore, a brush head 8 for cleaning the welding end face of the steel coil 5 is installed on the insertion rod 2. The brush head 8 is parallel to and in contact with the welding end face. The brush head 8 is located between the mounting rod 1 and the induction coil, and is within the vertical projection range of the waste chip trough 3 to ensure that the scraped debris enters the waste chip trough 3.

[0039] This device features easily replaceable cutter head 6 and brush head 8 mounted on the insertion rod 2. The insertion rod 2 is inserted into the steel coil 5. As the steel coil 5 moves, the brush head 8 cleans the welding end face before welding, and the cutter head 6 scrapes off the burrs inside the welded pipe after welding. The scraped debris is temporarily stored in the debris trough 3 to ensure the cleanliness of the welded pipe. The bottom of the debris trough 3 has a discharge trough 9, which is controlled by a sliding door 11. After all welding is completed, the insertion rod 2 is fully exposed, and the debris in the debris trough 3 can be quickly cleaned by opening the sliding door 11.

[0040] It should be understood that the terms "length", "thickness", "upper", "lower", "inner", "outer", "axial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0043] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0044] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A high-frequency welded pipe burr processing device, comprising a mounting rod (1), an insertion rod (2) is mounted on the mounting rod (1) and inserted into a steel coil (5), characterized in that: The end of the insertion rod (2) is provided with a tool bit (6) for removing internal burrs, the insertion rod (2) is provided with a waste groove (3) along the length direction, the bottom end of the tool bit (6) extends into the waste groove (3), the tool bit (6) and the mounting rod (1) are respectively located on both sides of the induction coil, the insertion block (136) abuts against the bottom end of the weld (51) of the steel coil (5) to remove the waste.

2. The high-frequency pipe-butt-weld burr processing apparatus according to claim 1, characterized by: The end of the waste groove (3) is provided with an inclined guide chute (31), the guide chute (31) extends downward and close to the mounting rod (1), the guide chute (31) is communicated with the waste groove (3), and the tool bit (6) is close to the guide chute (31) and parallel to the guide chute (31).

3. The high-frequency pipe-butt-weld burr processing apparatus according to claim 1, characterized by: The tool bit (6) is mounted on the insertion rod (2) through the mounting head (4), the tool bit (6) is inserted into the mounting head (4) and fixed on the mounting head (4) through the fastener (7).

4. The high-frequency pipe-butt-weld flash treatment apparatus according to claim 1, characterized by: The bottom end of the waste groove (3) is provided with a discharging chute (9) penetratingly formed, the discharging chute (9) is provided with a sliding door (11), the length of the sliding door (11) is not shorter than the length of the discharging chute (9), the width of the sliding door (11) is greater than the width of the discharging chute (9), and the opening and closing of the discharging chute (9) is controlled by the sliding door (11).

5. The high-frequency electric tube-butt flash treatment apparatus according to claim 4, characterized by: The bottom end of the insertion rod (2) is provided with a sliding groove (10) communicated with the discharging chute (9), the cross sections of the sliding groove (10) and the sliding door (11) are arc-shaped, the sliding groove (10) extends along the length direction of the insertion rod (2) and is not shorter than the length of the discharging chute (9), the sliding door (11) is slidingly installed in the sliding groove (10), and the arc length of the sliding groove (10) is at least twice the arc length of the sliding door (11).

6. The high-frequency pipe-butt-weld flash treatment apparatus according to claim 5, characterized by: The sliding door (11) has an open state and a closed state, when the sliding door (11) is in the open state, the sliding door (11) slides upward into the upper position of the sliding groove (10), and the discharging chute (9) is completely opened; when the sliding door (11) is in the closed state, the sliding door (11) slides downward into the lower position of the sliding groove (10), and the discharging chute (9) is closed.

7. The high-frequency electric tube-butt flash treatment apparatus according to claim 4, characterized by: A handle (12) is installed on the sliding door (11).

8. The high-frequency pipe-buttressing apparatus of claim 4, wherein: The sliding door (11) is slidingly provided with an insertion block (136), and a corresponding insertion slot (135) is formed in the insertion rod (2), the insertion slot (135) is communicated with the sliding groove (10) and has an outward opening, and when the sliding door (11) slides into the sliding groove (10), the insertion block (136) is inserted into the insertion slot (135).

9. The high-frequency pipe-buttressing apparatus of claim 8, wherein: The insertion rod (2) is provided with a mounting groove (131) and a blocking groove (132) communicated with each other in sequence along the length direction of the insertion rod (2) and close to the tool bit (6), the diameter of the blocking groove (132) is greater than that of the mounting groove (131), the insertion block (136) is slidingly installed in the mounting groove (131) through a connecting rod (133), the other end of the connecting rod (133) is provided with a blocking rod (134) having a diameter greater than that of the connecting rod (133), and the blocking rod (134) slides in the blocking groove (132).

10. The high-frequency electric tube-butt-weld burr processing apparatus according to any one of claims 1 to 9, characterized by: A brush head (8) for cleaning the welding surface of the steel coil (5) is mounted on the insertion rod (2), the brush head (8) is located in the vertical projection range of the waste groove (3), and the brush head (8) is located between the mounting rod (1) and the induction coil.

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