Seamless steel pipe heat treatment device and heat treatment process

Abstract

The present invention relates to the technical field of heat treatment of seamless steel pipes, and specifically to a heat treatment device for seamless steel pipes, comprising: a heating component, a connecting block being provided inside the heating component; a rotating ring, a supporting bracket being fixed on the surface of the rotating ring, a through groove being provided on the surface of the supporting bracket, a connecting plate being fixed inside the heating component, a motor being fixed on the surface of the connecting plate, a gear being provided at the end of the motor, and a clamping ring being fixed at the end of the connecting plate; and a rotating shaft being provided inside the heating component. The present invention also discloses a heat treatment process, comprising the following steps: supporting, and moving; the beneficial effect is: the seamless steel pipe proposed by the present invention is inserted into the inside of the rotating ring, and the rotating ring is rotated so that the rotating ring rotates inside the connecting block, and the seamless steel pipe is placed on the surface of a suitable supporting bracket, and the supporting bracket plays a supporting role. The seamless steel pipe is located in the supporting column, which facilitates the movement of the seamless steel pipe inside the heating component.

Description

Technical Field

[0001] The present invention relates to the technical field of seamless steel pipe heat treatment, in particular to a seamless steel pipe heat treatment device and a heat treatment process. Background Art

[0002] Seamless steel pipe is made by punching a whole round steel bar, and there is no weld on the surface of the steel pipe, which is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, jacking pipe, etc. According to the cross-sectional shape, seamless steel pipe is divided into round and special-shaped types. Special-shaped pipes have square, oval, triangular, hexagonal, melon-shaped, star-shaped, finned pipes and many other complex shapes. The maximum diameter is 900mm and the minimum diameter is 4mm. According to different uses, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation;

[0003] When heat treating seamless steel pipes, they need to be placed in a heating assembly to heat the steel pipes. However, during the heating process, the seamless steel pipes will deform. Since they are supported only at both ends, the middle of the steel pipes will be concave. Summary of the Invention

[0004] The object of the present invention is to provide a seamless steel pipe heat treatment device and a heat treatment process to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a seamless steel pipe heat treatment device, comprising:

[0006] A heating component, wherein a connecting block is provided inside the heating component;

[0007] A rotating ring, a support bracket is fixed on the surface of the rotating ring, a through groove is opened on the surface of the support bracket, a connecting plate is fixed inside the heating component, a motor is fixed on the surface of the connecting plate, a gear is provided at the end of the motor, and a snap ring is fixed at the end of the connecting plate; and

[0008] The rotating shaft is arranged inside the heating component.

[0009] Preferably, the end of the rotating shaft is connected to a driving assembly, which drives the rotating shaft to rotate inside the heating assembly. A support plate is fixed to the surface of the rotating shaft, and multiple groups of support plates are provided. A contact plate is fixed to the end of the support plate, and the surface of the contact plate is provided with teeth. The surface of the contact plate contacts the surface of the rotating ring, and the surface of the rotating ring is provided with teeth. The teeth on the surface of the rotating ring are engaged with the teeth on the surface of the contact plate.

[0010] Preferably, the surface of the rotating ring is provided with multiple groups of support brackets, the sizes of the support brackets are different, the width of the through groove is consistent with the width of the first movable plate and the second movable plate, the first movable plate and the second movable plate can be inserted into the through groove, and the first movable plate and the second movable plate can move in the through groove.

[0011] Preferably, a seamless steel pipe is provided inside the rotating ring, the seamless steel pipe is located on the surface of the support bracket, the support bracket is supported on the bottom of the seamless steel pipe, and multiple groups of clamping rings are provided, and the multiple groups of clamping rings are fixed on the inner wall of the heating component.

[0012] Preferably, a notch is provided on the surface of the clamping ring, a moving rod is inserted into the inside of the clamping ring, the moving rod can move inside the clamping ring, and a cylinder is fixed on the surface of the moving rod, the cylinder moves with the moving rod, and the surface of the moving rod is provided with teeth.

[0013] Preferably, the gear is inserted into the surface of the snap ring, the teeth on the gear surface extend into the interior of the snap ring, the teeth on the gear surface engage with the teeth on the surface of the moving rod, and the gear rotates to drive the moving rod to move inside the snap ring.

[0014] Preferably, the cylinder drives the up and down movement, and a first movable plate is fixed on the top, and multiple groups of supporting columns are fixed on the surface of the first movable plate. Grooves are opened on the surface of the supporting columns, and the seamless steel pipes are located in the grooves on the surface of the supporting columns, and the first movable plate moves along with it.

[0015] Preferably, the other end is connected to a circular ring, a seamless steel pipe is inserted into the interior of the circular ring, the surface of the circular ring is connected to the second movable plate, and a plurality of supporting columns are fixed to the surface of the second movable plate.

[0016] Preferably, multiple groups of rotating rings are provided inside the heating component, multiple groups of seamless steel pipes are located inside the heating component, multiple groups of clamping rings are provided, and multiple groups of first movable plates and second movable plates are provided.

[0017] A heat treatment process of a seamless steel pipe heat treatment device comprises the following steps:

[0018] Step 1: Support, the seamless steel pipe is inserted into the inside of the rotating ring, and the rotating ring is rotated so that the rotating ring rotates inside the connecting block, and the seamless steel pipe is placed on the surface of a suitable support bracket, which plays a supporting role;

[0019] Step 2: Move. The seamless steel pipe is located in the supporting column, which is convenient for moving the seamless steel pipe inside the heating component, and can be lowered in the middle so that the seamless steel pipe is located on the top of the supporting bracket. The seamless steel pipe is inserted into the inside of the ring to prevent obstruction of the seamless steel pipe, and the motor drives the gear to rotate. The gear makes the moving rod move inside the first moving plate, which is convenient for taking out the seamless steel pipe inside the heating component.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The seamless steel pipe proposed in the present invention is inserted into the inside of the rotating ring. The rotating ring is rotated so that the rotating ring rotates inside the connecting block. The seamless steel pipe is placed on the surface of a suitable support bracket. The support bracket plays a supporting role. The seamless steel pipe is located in the supporting column, which is convenient for moving the seamless steel pipe inside the heating component and can be lowered in the middle so that the seamless steel pipe is located at the top of the support bracket. The seamless steel pipe is inserted into the inside of the circular ring to prevent obstruction of the seamless steel pipe, and the motor drives the gear to rotate. The gear causes the moving rod to move inside the first moving plate, which is convenient for taking out the seamless steel pipe inside the heating component. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the rotating ring of the present invention;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the rotating shaft of the present invention;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the mobile rod of the present invention;

[0027] Figure 6 for Figure 5 A magnified schematic diagram of the structure in the middle.

[0028] In the figure: heating component 1, seamless steel pipe 2, rotating shaft 3, connecting block 4, rotating ring 5, through groove 6, supporting bracket 7, contact plate 8, support plate 9, moving rod 10, retaining ring 11, first moving plate 12, supporting column 13, gear 14, motor 15, connecting plate 16, notch 17, second moving plate 18, ring 19, cylinder 20, vertical rod 21. DETAILED DESCRIPTION

[0029] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figures 1 to 6, the present invention provides a technical solution: a seamless steel pipe heat treatment device, comprising: a heating component 1, wherein a connecting block 4 is provided inside the heating component 1;

[0031] A rotating ring 5 is provided, and a supporting bracket 7 is fixed on the surface of the rotating ring 5. A through groove 6 is provided on the surface of the supporting bracket 7. A connecting plate 16 is fixed inside the heating component 1. A motor 15 is fixed on the surface of the connecting plate 16. A gear 14 is provided at the end of the motor 15. A snap ring 11 is fixed at the end of the connecting plate 16. The gear 14 is inserted into the surface of the snap ring 11. The teeth on the surface of the gear 14 extend into the interior of the snap ring 11. The teeth on the surface of the gear 14 mesh with the teeth on the surface of the moving rod 10. After the gear 14 rotates, the moving rod 10 is driven to move inside the snap ring 11. Multiple groups of rotating rings 5 ​​are provided inside the heating component 1. Multiple groups of seamless steel pipes 2 are located inside the heating component 1, and multiple groups of snap rings 11 are provided. Multiple groups of first movable plates 12 and second movable plates 18 are provided.

[0032] The rotating shaft 3 is arranged inside the heating component 1, and the end of the rotating shaft 3 is connected to the driving component, which drives the rotating shaft 3 to rotate inside the heating component 1. A support plate 9 is fixed on the surface of the rotating shaft 3, and the support plate 9 is provided with multiple groups. A contact plate 8 is fixed on the end of the support plate 9, and the surface of the contact plate 8 is provided with teeth. The surface of the contact plate 8 contacts the surface of the rotating ring 5, and the surface of the rotating ring 5 is provided with teeth. The teeth on the surface of the rotating ring 5 are engaged with the teeth on the surface of the contact plate 8. The surface of the rotating ring 5 is provided with multiple groups of support brackets 7, and the sizes of the support brackets 7 are different. The width of the through groove 6 is consistent with the width of the first movable plate 12 and the second movable plate 18. The first movable plate 12 and the second movable plate 18 can be inserted in the through groove 6, and the first movable plate 12 and the second movable plate 18 can move in the through groove 6. A seamless steel pipe 2 is provided inside the rotating ring 5. The seamless steel pipe 2 is located on the surface of the support bracket 7, and the support bracket 7 is supported on At the bottom of the seamless steel pipe 2, there are multiple groups of clamping rings 11, and the multiple groups of clamping rings 11 are fixed on the inner wall of the heating component 1. A notch 17 is provided on the surface of the clamping ring 11. A moving rod 10 is inserted into the inside of the clamping ring 11. The moving rod 10 can move inside the clamping ring 11, and a cylinder 20 is fixed on the surface of the moving rod 10. The cylinder 20 moves with the moving rod 10. The surface of the moving rod 10 is provided with teeth. The cylinder 20 drives 21 to move up and down. A first moving plate 12 is fixed on the top of 21. Multiple groups of supporting columns 13 are fixed on the surface of the first moving plate 12. A groove is provided on the surface of the supporting column 13. The seamless steel pipe 2 is located in the groove on the surface of the supporting column 13, and the first moving plate 12 moves with 21. The other end of 21 is connected to a circular ring 19. The seamless steel pipe 2 is inserted into the inside of the circular ring 19. The surface of the circular ring 19 is connected to the second moving plate 18. Multiple groups of supporting columns 13 are fixed on the surface of the second moving plate 18.

[0033] The seamless steel pipe 2 is inserted into the inside of the rotating ring 5. The rotating ring 5 is rotated so that the rotating ring 5 rotates inside the connecting block 4. The seamless steel pipe 2 is placed on the surface of a suitable support bracket 7. The support bracket 7 plays a supporting role. The seamless steel pipe 2 is located in the supporting column 13, which is convenient for moving the seamless steel pipe 2 inside the heating component 1, and 21 can be lowered in 21 so that the seamless steel pipe 2 is located at the top of the support bracket 7. The seamless steel pipe 2 is inserted into the inside of the circular ring 19 to prevent 21 from blocking the seamless steel pipe 2, and the motor 15 drives the gear 14 to rotate. The gear 14 causes the moving rod 10 to move inside the first moving plate 12, which is convenient for taking out the seamless steel pipe 2 inside the heating component 1.

[0034] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A seamless steel pipe heat treatment device, characterized in that: include: A heating component (1), wherein a connecting block (4) is provided inside the heating component (1); A rotating ring (5), a support bracket (7) is fixed on the surface of the rotating ring (5), a through groove (6) is provided on the surface of the support bracket (7), a connecting plate (16) is fixed inside the heating component (1), a motor (15) is fixed on the surface of the connecting plate (16), a gear (14) is provided at the end of the motor (15), a snap ring (11) is fixed at the end of the connecting plate (16), the width of the through groove (6) is consistent with the width of the first movable plate (12) and the second movable plate (18), the first movable plate (12) and the second movable plate (18) can be inserted into the through groove (6), and the first movable plate (12) and the second movable plate (18) can move in the through groove (6); and The rotating shaft (3) is arranged inside the heating component (1), the surface of the snap ring (11) is provided with a notch (17), the interior of the snap ring (11) is plugged with a moving rod (10), the moving rod (10) can move inside the snap ring (11), and the surface of the moving rod (10) is fixed with a cylinder (20), the cylinder (20) moves along with the moving rod (10), the surface of the moving rod (10) is provided with teeth, the gear (14) is plugged into the surface of the snap ring (11), the teeth on the surface of the gear (14) extend into the interior of the snap ring (11), and the gear ( The teeth on the surface of the gear (14) mesh with the teeth on the surface of the moving rod (10). After the gear (14) rotates, the moving rod (10) is driven to move inside the retaining ring (11). The cylinder (20) drives the vertical rod (21) to move up and down. A first moving plate (12) is fixed to the top of the vertical rod (21). A plurality of groups of supporting columns (13) are fixed to the surface of the first moving plate (12). A groove is provided on the surface of the supporting column (13). The seamless steel pipe (2) is located in the groove on the surface of the supporting column (13), and the first moving plate (12) moves along with the vertical rod (21).

2. The seamless steel pipe heat treatment device according to claim 1, characterized in that: The end of the rotating shaft (3) is connected to a driving component, and the driving component drives the rotating shaft (3) to rotate inside the heating component (1). A support plate (9) is fixed to the surface of the rotating shaft (3), and a plurality of support plates (9) are provided. A contact plate (8) is fixed to the end of the support plate (9), and a surface of the contact plate (8) is provided with teeth. The surface of the contact plate (8) contacts the surface of the rotating ring (5), and the surface of the rotating ring (5) is provided with teeth. The teeth on the surface of the rotating ring (5) mesh with the teeth on the surface of the contact plate (8).

3. The seamless steel pipe heat treatment device according to claim 2, characterized in that: The surface of the rotating ring (5) is provided with a plurality of groups of support brackets (7), and the support brackets (7) are of different sizes.

4. The seamless steel pipe heat treatment device according to claim 3, characterized in that: A seamless steel pipe (2) is provided inside the rotating ring (5), the seamless steel pipe (2) is located on the surface of the support bracket (7), the support bracket (7) is supported on the bottom of the seamless steel pipe (2), and multiple groups of clamping rings (11) are provided.

5. The seamless steel pipe heat treatment device according to claim 4, characterized in that: The other end of the vertical rod (21) is connected to a circular ring (19), a seamless steel pipe (2) is inserted into the interior of the circular ring (19), and the surface of the circular ring (19) is connected to the second movable plate (18), and a plurality of supporting columns (13) are fixed to the surface of the second movable plate (18).

6. The seamless steel pipe heat treatment device according to claim 5, characterized in that: The heating component (1) is provided with multiple groups of rotating rings (5), multiple groups of seamless steel pipes (2) are located inside the heating component (1), multiple groups of clamping rings (11) are provided, and multiple groups of first movable plates (12) and second movable plates (18) are provided.

7. A heat treatment process for a seamless steel pipe heat treatment device according to claim 6, characterized in that: The following steps are involved: Step 1: Supporting, the seamless steel pipe (2) is inserted into the interior of the rotating ring (5), the rotating ring (5) is rotated so that the rotating ring (5) rotates inside the connecting block (4), and the seamless steel pipe (2) is placed on the surface of a suitable supporting frame (7), and the supporting frame (7) plays a supporting role; Step 2: Move, the seamless steel pipe (2) is located in the supporting column (13), which facilitates the movement of the seamless steel pipe (2) inside the heating component (1), and the vertical rod (21) can be lowered in the cylinder (20) so that the seamless steel pipe (2) is located at the top of the supporting bracket (7), and the seamless steel pipe (2) is inserted into the inside of the ring (19) to prevent the vertical rod (21) from blocking the seamless steel pipe (2), and the motor (15) drives the gear (14) to rotate, and the gear (14) makes the moving rod (10) move inside the first moving plate (12), which facilitates the removal of the seamless steel pipe (2) inside the heating component (1).

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