A kind of scraping groove structure for weld seam inside steel pipe

Abstract

The utility model discloses a weld scraping structure in a steel pipe, including an arm-mounting seat, a spring-pressing arm and a scraping blade head. The arm-mounting seat is formed with two arm-mounting plates arranged opposite to each other, and the two ends of each arm-mounting plate are an arm-mounting end and a spring-pressing end. The arm-mounting plate is provided with a hinge opening at its arm-mounting end, and the two arm-mounting plates are horizontally connected with a bottom plate at the bottom of their spring-pressing ends; the spring-pressing arm is formed with two swing arm plates arranged opposite to each other and a spring-pressing cover cylinder connected to one end of the two swing arm plates, and the two swing arm plates are provided with a shaft-mounting cylinder corresponding to the hinge opening at the other end thereof and a guide roller rotatably provided between the two ends, so that the hinge axis can pass through the shaft-mounting cylinder and the hinge opening of the arm-mounting seat, and the spring-pressing arm can be swingably arranged in the arm-mounting seat; the spring-pressing cover cylinder is provided with an elastic support component therein, and the scraping blade head can be lifted and lowered and arranged at the top of the spring-pressing cover cylinder, and the elastic support component supports the scraping blade head. The utility model can buffer the force exerted on the scraping blade head during the scraping process by the elastic support component.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing structures, in particular to a steel pipe inner weld scraping groove structure. Background Art

[0002] At present, in the high-frequency welding production line of steel pipes, the pipes are generally formed and joined by high-frequency welding first, and then submerged arc welding is performed at the high-frequency weld position after the pipes are produced. When performing submerged arc welding, the inner weld will be scraped for the convenience of tracking the inner weld. The existing method is mainly to scrape the inner weld with a tool holder and a tool head fixed on the tool holder. However, the tool head installed in this way will directly bear the force generated during the scraping process, which is more easily damaged and has poor durability. Utility Model Content

[0003] The utility model aims to provide a scraping groove structure for the weld seam inside a steel pipe.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The camshaft is an axially axially coupled machine which is adapted to move the tool shaft so as to allow the tool to move forward and backward when the camshaft is in a position to move forward and to move along the camshaft towards the stopper, whereupon the tool shaft is moved in a reverse direction and the camshaft moves forward and backward when the camshaft is in a position to move forward and to move along the camshaft towards the stopper.

[0006] As a further technical solution of the utility model: the elastic cover cylinder comprises a cylinder body and a cylinder cover detachably mounted on the top of the cylinder body, the elastic support assembly is mounted in the cylinder body, and the scraping blade head is arranged on the cylinder cover.

[0007] As a further technical solution of the utility model: the cylinder is provided with a through-opening at the bottom thereof; the elastic support assembly includes a spring member, an upper support member sleeved on the top of the spring member and a lower support member sleeved on the bottom of the spring member, the upper support member is used to support the scraping cutter head, and a support column corresponding to the through-opening is formed at the bottom of the lower support member, so that the support column is pressed against the bottom plate after passing through the through-opening.

[0008] As a further technical solution of the utility model: a positioning groove for positioning the scraping blade head is provided on the top of the upper support member.

[0009] As a further technical solution of the utility model: the barrel cover is formed with a cutting edge running through its top and bottom surfaces, and a limiting groove is recessed on its top surface and connected to the cutting edge; the scraping cutter head is installed corresponding to the cutting edge, and the scraping cutter head is recessed with a limiting opening on the upper part of the side facing the limiting groove, so that the barrel cover can be detachably equipped with a limiting plate in the limiting groove, and one end of the limiting plate extends to the limiting opening to press the lower part of the scraping cutter head to limit the position.

[0010] As a further technical solution of the utility model: the scraping cutter head is formed with a scraping cutter blade extending above the cutting edge at the top thereof and a positioning column extending below the cutting edge at the bottom thereof.

[0011] As a further technical solution of the utility model: the two arm-mounting plates are connected with a fixing plate at the top of their arm-mounting ends, and the fixing plate is provided with a swing-limiting hole corresponding to the swing arm plate, so that bolts can be inserted into the swing-limiting hole, and the screw rod of the bolt is used to press the swing arm plate to limit the swing amplitude of the spring-pressing arm.

[0012] As a further technical solution of the utility model: the ends of the two arm-mounting plates are connected with mounting seats at the spring-pressing ends.

[0013] As a further technical solution of the utility model: the arm-mounting plate is provided with a cylinder hole at its spring-pressing end, so that a bolt can be inserted into the cylinder hole, and the screw rod of the bolt presses the spring-pressing cover cylinder to limit the position.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model proposes a weld grooving structure inside a steel pipe, which supports the grooving cutter head through the cooperation between an arm seat, a spring-loaded arm and a grooving cutter head, and an elastic support component. When the grooving cutter head is subjected to a force during the grooving process, the elastic support component can effectively buffer the force applied to the grooving cutter head during the grooving process with the help of the swing of the spring-loaded arm, thereby improving the durability of the grooving cutter head. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the weld scraping groove structure inside the steel pipe.

[0016] Figure 2 The schematic diagram of the elastic support assembly.

[0017] Figure 3 This is a structural diagram of the hinge shaft connecting the shaft cylinder and the arm seat.

[0018] Figure 4 Schematic diagram of the scraping cutter head. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the protection scope of the present invention.

[0020] See also Figure 1 , Figure 2 and Figure 3 A steel pipe inner weld scraping groove structure, comprising an arm mounting seat 10, a spring-pressing arm 20 and a scraping groove cutter head 30, wherein the arm mounting seat 10 is formed with two arm mounting plates 11 arranged oppositely, each arm mounting plate 11 having an arm mounting end 101 and a spring-pressing end 102 at both ends, the arm mounting plate 11 is provided with a hinge shaft opening 111 at its arm mounting end 101, and the two arm mounting plates 11 are horizontally connected with a bottom plate 12 at the bottom of their spring-pressing ends 102; the spring-pressing arm 20 is formed with two swing arm plates 21 arranged oppositely and a spring-pressing cover tube 22 connected to one end of the two swing arm plates 21, and the two swing arm plates 21 are provided with a spring-pressing cover tube 22 at the other end thereof There is a shaft mounting cylinder 211 corresponding to the hinge shaft opening 111 and a guide roller 212 rotatably provided between the two ends, so that the hinge shaft 213 can connect the shaft mounting cylinder 211 and the hinge shaft opening 111 of the arm mounting seat 10, and the spring-pressing arm 20 is swingably arranged in the arm mounting seat 10, and the spring-pressing cover cylinder 22 is arranged above the bottom plate 12; the spring-pressing cover cylinder 22 is provided with an elastic support component 40 therein, and the scraping cutter head 30 can be raised and lowered and arranged on the top of the spring-pressing cover cylinder 22, and the elastic support component 40 supports the scraping cutter head 30 and can buffer the force exerted on the scraping cutter head 30 during the scraping process.

[0021] Furthermore, in this embodiment, the spring-loaded cover cylinder 22 includes a cylinder body 221 and a cylinder cover 222 detachably mounted on the top of the cylinder body 221 , the elastic support assembly 40 is mounted in the cylinder body 221 , and the scraping blade head 30 is disposed on the cylinder cover 222 .

[0022] Furthermore, in the present embodiment, the cylinder 221 is provided with a through-hole 201 at its bottom; the elastic support assembly 40 comprises a spring member 41, an upper support member 42 sleeved on the top of the spring member 41 and a lower support member 43 sleeved on the bottom of the spring member 41, the upper support member 42 is used to support the scraping cutter head 30, the top of the upper support member 42 is provided with a positioning groove 421 for positioning the scraping cutter head 30, and the bottom of the lower support member 43 is formed with a support column 431 corresponding to the through-hole 201, so that the support column 431 is pressed against the bottom plate 12 after passing through the through-hole 201, so that when the scraping cutter head 30 is subjected to a force during the scraping process, the force can be transmitted to the upper support member 42, the spring member 41 and the lower support member 43 in sequence, and the force is buffered as the spring member 41 expands and contracts and the lower support member 43 moves.

[0023] Further, see Figure 4In this embodiment, the barrel cover 222 is formed with a knife-mounting opening 202 that passes through its top and bottom surfaces, and a limiting groove 203 that is connected to the knife-mounting opening 202 is recessed on its top surface; the scraping cutter head 30 is installed corresponding to the knife-mounting opening 202, and the scraping cutter head 30 is recessed with a limiting opening 31 on the upper part of the side facing the limiting groove 203, so that the barrel cover 222 can be detachably installed with a limiting plate 223 in the limiting groove 203, and one end of the limiting plate 223 extends to the limiting opening 31, pressing the lower part of the scraping cutter head 30 to limit the position.

[0024] Furthermore, in this embodiment, the scraping cutter head 30 has a scraping blade 32 formed on its top that extends above the cutting opening 202 and a positioning column 33 formed on its bottom that extends below the cutting opening 202. The positioning column 33 is correspondingly engaged in the positioning groove 421 of the upper support member 42.

[0025] Furthermore, in the present embodiment, the two arm-mounting plates 11 are connected to a fixing plate 13 at the top of their arm-mounting ends 101, and the fixing plate 13 is provided with a swing-limiting hole corresponding to the swing arm plate 21, so that bolts can be inserted into the swing-limiting hole, and the screw rod of the bolt presses the swing arm plate 21 to limit the swing amplitude of the elastic pressure arm 20.

[0026] Furthermore, in this embodiment, the two arm plates 11 are connected to mounting seats 14 at the ends of the spring-pressing ends 102 for external mounting.

[0027] Furthermore, in the present embodiment, the arm plate 11 is provided with a cylinder hole 112 at its spring-pressing end 102, so that a bolt can be inserted into the cylinder hole 112, and the screw rod of the bolt presses and limits the spring-pressing cover cylinder 22 to reduce the swing clearance.

[0028] It can be understood that the utility model is a method for assembling a weld scraping groove structure in a steel pipe, comprising the following steps: the first step is to assemble the spring pressure arm 20, the guide roller 212 can be rotatably installed between the two ends of the swing arm plate 21, and the top of the guide roller 212 passes through the top of the swing arm plate 21, then, the elastic support assembly 40 is installed in the cylinder 221, and the cylinder cover 222 is installed on the top of the cylinder 221; the second step is to install the spring pressure arm 20 to the arm mounting seat 10, and the hinge shaft 213 is connected to the spring pressure arm 20. The shaft-mounting cylinder 211 of the arm 20 and the hinge shaft opening 111 of the arm-mounting seat 10 are used to swing the spring-pressing arm 20 in the arm-mounting seat 10; in the third step, the scraping cutter head 30 is installed on the spring-pressing arm 20, and the scraping cutter head 30 is installed corresponding to the blade-mounting opening 202 of the cylinder cover 222, and the cylinder cover 222 is installed with a limiting plate 223 in the limiting groove 203, and one end of the limiting plate 223 is inserted into the limiting opening 31 to press and limit the lower part of the scraping cutter head 30; wherein, the order of the second step and the third step can be exchanged according to the needs. In this way, the assembly of the steel pipe inner weld scraping groove structure is completed.

[0029] In summary, the utility model provides a steel pipe weld scraping structure, through the cooperation between the arm seat 10, the spring-loaded arm 20 and the scraping cutter head 30, to support the scraping cutter head 30 with an elastic support component 40. When the scraping cutter head 30 is subjected to a force during the scraping process, the elastic support component 40 can effectively buffer the force applied to the scraping cutter head 30 during the scraping process with the help of the swing of the spring-loaded arm 20, thereby improving the durability of the scraping cutter head 30.

[0030] As long as it does not violate the creative idea of ​​the utility model, any combination of various different embodiments of the utility model should be regarded as the content disclosed by the utility model; within the technical concept of the utility model, any simple modification of the technical solution and any combination of different embodiments that do not violate the creative idea of ​​the utility model should be within the protection scope of the utility model.

Claims

1. A steel pipe weld scraping groove structure, characterized in that: The invention comprises an arm mounting seat (10), a spring-pressing arm (20) and a scraping blade head (30), wherein the arm mounting seat (10) is formed with two arm mounting plates (11) arranged opposite to each other, each arm mounting plate (11) has an arm mounting end (101) and a spring-pressing end (102) at two ends, the arm mounting plate (11) is provided with a hinge shaft opening (111) at its arm mounting end (101), and the bottom of the two arm mounting plates (11) at the spring-pressing end (102) is horizontally connected to a bottom plate (12); the spring-pressing arm (20) is formed with two swing arm plates (21) arranged opposite to each other and a spring-pressing cover tube (22) connected to one end of the two swing arm plates (21), and the two swing arm plates (21) are provided with a hinge shaft opening (111) at the arm mounting end (101). ) is provided with a shaft-mounting cylinder (211) corresponding to the hinge shaft opening (111) at the other end thereof, and a guide roller (212) is rotatably provided between the two ends, so that the hinge shaft (213) can connect the shaft-mounting cylinder (211) and the hinge shaft opening (111) of the arm-mounting seat (10), and the spring-pressing arm (20) is swingably arranged in the arm-mounting seat (10), and the spring-pressing cover cylinder (22) is arranged above the bottom plate (12); the spring-pressing cover cylinder (22) is provided with an elastic support assembly (40) therein, and the scraping cutter head (30) is liftably arranged on the top of the spring-pressing cover cylinder (22), and the elastic support assembly (40) supports the scraping cutter head (30).

2. The steel pipe inner weld scraping groove structure according to claim 1, characterized in that: The elastic cover cylinder (22) comprises a cylinder body (221) and a cylinder cover (222) detachably mounted on the top of the cylinder body (221); the elastic support assembly (40) is mounted in the cylinder body (221); and the scraping blade head (30) is arranged on the cylinder cover (222).

3. The steel pipe inner weld scraping groove structure according to claim 2, characterized in that: The cylinder (221) is provided with a through opening (201) at its bottom; the elastic support assembly (40) comprises a spring member (41), an upper support member (42) sleeved on the top of the spring member (41), and a lower support member (43) sleeved on the bottom of the spring member (41); the upper support member (42) is used to support the scraping blade head (30); the bottom of the lower support member (43) is formed with a support column (431) corresponding to the through opening (201), so that the support column (431) can be pressed against the bottom plate (12) after passing through the through opening (201).

4. The steel pipe inner weld scraping groove structure according to claim 3, characterized in that: A positioning groove (421) for positioning the scraping blade head (30) is provided on the top of the upper support member (42).

5. The steel pipe inner weld scraping groove structure according to claim 2, characterized in that: The barrel cover (222) is formed with a knife-mounting opening (202) penetrating the top and bottom surfaces thereof, and a limiting groove (203) is concavely provided on the top surface thereof and communicates with the knife-mounting opening (202); the scraping blade head (30) is installed corresponding to the knife-mounting opening (202); the scraping blade head (30) is concavely provided with a limiting opening (31) on the upper part of the side facing the limiting groove (203) thereof, and the barrel cover (222) is provided with a limiting plate (223) in the limiting groove (203) so as to be detachably mounted thereon; one end of the limiting plate (223) extends to the limiting opening (31) to press against the lower part of the scraping blade head (30) to limit the position.

6. The steel pipe inner weld scraping groove structure according to claim 5, characterized in that: The scraping blade (30) is formed with a scraping blade (32) on the top thereof and extends above the blade mounting opening (202), and a positioning column (33) is formed on the bottom thereof and extends below the blade mounting opening (202).

7. The steel pipe inner weld scraping groove structure according to claim 1, characterized in that: The two arm mounting plates (11) are connected to a fixing plate (13) at the top of the arm mounting ends (101) thereof. The fixing plate (13) is provided with a swing limiting hole corresponding to the swing arm plate (21), so that bolts can be inserted into the swing limiting holes, and the screw rods of the bolts are used to press the swing arm plate (21) to limit the swing amplitude of the elastic pressure arm (20).

8. The steel pipe inner weld scraping groove structure according to claim 1, characterized in that: The two arm mounting plates (11) are connected with mounting seats (14) at the ends of the spring pressing ends (102).

9. The steel pipe inner weld scraping groove structure according to claim 1, characterized in that: The arm plate (11) is provided with a cylinder hole (112) at its spring-pressing end (102), so that a bolt can be inserted into the cylinder hole (112) so that the screw rod of the bolt presses the spring-pressing cover cylinder (22) to limit the position.

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