Seamless steel tube blank heating equipment

Abstract

The utility model relates to the technical field of seamless steel tube processing, in particular to seamless steel tube blank heating equipment, which is characterized in that when the seamless steel tube blank heating equipment is used, the sealing of a sealing door component to a material port is released, then a tube blank is placed on a rotating component in a shell through the material port, and then the sealing door component is operated to seal the material port; then the rotating assembly and the electric heating pipe are started, so that the rotating pipe blank is uniformly heated by the electric heating pipe, meanwhile, heat loss through a material opening is avoided, energy consumption is reduced, and the machining cost is reduced; comprising a shell, supporting legs, an electric heating pipe and a material opening, the multiple sets of supporting legs are arranged at the bottom end of the shell, the electric heating pipe is arranged in the shell, the material opening is formed in the left end of the shell, the sealing door assembly is arranged at the left end of the shell and used for sealing the material opening, and the rotating assembly is arranged in the shell and used for rotating the material opening. The rotating assembly is used for rotating the blank.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe processing, in particular to a seamless steel pipe blank heating device. Background Art

[0002] Seamless steel pipe blank is the blank used to produce seamless steel pipes. Usually, high-quality (or alloy) solid round steel is used as the pipe blank. The pipe blank needs to be heated during the seamless steel pipe processing.

[0003] In the prior art, a patent document with announcement number CN220746021U discloses a seamless steel pipe heat treatment heating device, comprising a heating furnace, wherein a support leg is fixedly connected to the bottom of the heating furnace, a feed port is provided on the left side of the heating furnace and a discharge port is provided on the right side of the heating furnace, the feed port and the discharge port are both communicated with the inner cavity of the heating furnace, an electric heating tube is arranged in the heating furnace, the electric heating tube is fixedly connected to the heating furnace through a connecting seat, the upper end of the connecting seat is fixedly connected to the top of the heating furnace, and the lower end of the connecting seat has a connecting ring matching the electric heating tube.

[0004] During use, it was found that when the above device was heating the blank, both the feed port and the discharge port were open, causing heat loss and increasing energy loss. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a seamless steel pipe blank heating device which reduces heat loss.

[0006] The utility model discloses a seamless steel pipe blank heating device, comprising a shell, support legs, an electric heating tube and a material port, wherein a plurality of support legs are provided at the bottom end of the shell, the electric heating tube is provided inside the shell, the material port is provided at the left end of the shell, and the device further comprises a sealing door assembly and a rotating assembly, wherein the sealing door assembly is provided at the left end of the shell, the sealing door assembly is used for sealing the material port, the rotating assembly is provided inside the shell, and the rotating assembly is used for rotating the blank; when in use, the sealing of the material port by the sealing door assembly is released, and then the pipe blank is placed on the rotating assembly inside the shell through the material port, and then the sealing door assembly is operated to seal the material port, and then the rotating assembly and the electric heating tube are started, so that the electric heating tube uniformly heats the rotating pipe blank, and at the same time avoids heat loss through the material port, reduces energy consumption, and reduces processing costs.

[0007] Preferably, the rotating assembly includes a rotating shaft, a guide roller, a support plate, a sprocket, a chain and a motor. Two groups of rotating shafts are arranged for rotation inside the shell, and each group of rotating shafts is respectively provided with a group of guide rollers. A support plate is provided at the right end of the shell, and a motor is provided at the top of the support plate. The right ends of the two groups of rotating shafts extend to the right side of the shell, and the output end of the motor is connected to the right end of a group of rotating shafts. A group of sprockets is respectively provided on each group of rotating shafts, and the two groups of sprockets are transmitted by a chain. When in use, the tube blank is placed between the two groups of guide rollers and the motor is started, so that the two groups of rotating shafts rotate synchronously in the same direction with the cooperation of the two groups of sprockets and one group of chains, so that the two groups of guide rollers cooperate with each other to drive the tube blank to rotate, so that the electric heating tube evenly heats the rotating tube blank.

[0008] Preferably, the sealing door assembly includes a hinged seat, a sealing door, a rotating shaft, a No. 2 axle pin and a servo electric cylinder. One end of the sealing door is hinged to the left end of the shell through the hinged seat, and a group of rotating shafts are rotatably provided at the front and rear ends of the left part of the sealing door. The first ends of the two groups of servo electric cylinders are hinged to the left end of the shell through a group of No. 2 axle pins, and the second ends of the two groups of servo electric cylinders are fixedly connected to a group of rotating shafts respectively; when feeding or unloading, the two groups of servo electric cylinders are operated to extend, so that the sealing door releases the seal on the material port with the cooperation of the hinged seat. When the tube blank is heated, the two groups of servo electric cylinders are operated to shorten, so that the sealing door seals the material port to prevent heat from being lost through the material port.

[0009] Preferably, it also includes an inspection door and bolts, and the rear end of the shell is provided with an inspection port, and the inspection door is installed at the rear end of the shell by bolts, and the inspection door seals the inspection port; when the inside of the shell needs to be inspected, the staff unscrews the bolts, thereby releasing the seal of the inspection door on the inspection port, and the staff inspects the inside of the shell through the inspection port.

[0010] Preferably, an observation window is further included. The front end of the shell is provided with an observation window. The staff can observe the heating of the tube blank inside the shell through the observation window, thereby improving convenience.

[0011] Preferably, it further includes a support base, and the bottom ends of the legs are respectively provided with a group of support bases; multiple groups of legs and multiple groups of support bases cooperate with each other to stably support the shell, thereby improving stability.

[0012] Preferably, a sealing cover is further included. The right end of the shell is provided with a sealing cover, and the two sets of sprockets and one set of chains are all on the inner side of the sealing cover; the two sets of sprockets and one set of chains are all on the inner side of the sealing cover to improve safety.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: when in use, the sealing of the material port by the sealing door assembly is released, and then the tube blank is placed on the rotating assembly inside the shell through the material port, and then the sealing door assembly is operated to seal the material port, and then the rotating assembly and the electric heating tube are started, so that the electric heating tube uniformly heats the rotating tube blank, while avoiding heat loss through the material port, reducing energy consumption, and reducing processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a first axonometric structural diagram of the present invention;

[0015] Figure 2 It is an enlarged structural diagram of the sealing door and servo electric cylinder;

[0016] Figure 3 It is a schematic cross-sectional structural diagram of the present utility model;

[0017] Figure 4 It is an enlarged structural diagram of the guide roller and sprocket;

[0018] Figure 5 This is a second axonometric structural diagram of the present invention.

[0019] Markings in the accompanying drawings: 1. Shell; 2. Support legs; 3. Electric heating tube; 4. Material inlet; 5. Rotating shaft; 6. Guide roller; 7. Support plate; 8. Sprocket; 9. Chain; 10. Motor; 11. Articulated seat; 12. Sealing door; 13. Rotating shaft; 14. No. 2 axle pin; 15. Servo electric cylinder; 16. Inspection door; 17. Bolt; 18. Observation window; 19. Support base; 20. Sealing cover. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, the utility model is a seamless steel pipe blank heating device, comprising a shell 1, support legs 2, an electric heating tube 3 and a material port 4. The bottom end of the shell 1 is provided with multiple groups of support legs 2, the interior of the shell 1 is provided with an electric heating tube 3, the left end of the shell 1 is provided with a material port 4, and further comprising a sealing door assembly and a rotating assembly. The left end of the shell 1 is provided with a sealing door assembly, the sealing door assembly is used to seal the material port 4, and the interior of the shell 1 is provided with a rotating assembly, which is used to rotate the blank;

[0023] like Figure 3 and Figure 4 As shown, the rotating assembly includes a rotating shaft 5, a guide roller 6, a support plate 7, a sprocket 8, a chain 9 and a motor 10. Two groups of rotating shafts 5 are arranged for rotation inside the shell 1. Each group of rotating shafts 5 is respectively provided with a group of guide rollers 6. A support plate 7 is provided at the right end of the shell 1. A motor 10 is provided at the top of the support plate 7. The right ends of the two groups of rotating shafts 5 extend to the right side of the shell 1. The output end of the motor 10 is connected to the right end of a group of rotating shafts 5. A group of sprockets 8 are respectively provided on each group of rotating shafts 5. The two groups of sprockets 8 are transmitted through a chain 9.

[0024] In this embodiment, when in use, the sealing of the material port 4 by the sealing door assembly is released, the tube blank is placed between the two sets of guide rollers 6, the sealing door assembly seals the material port 4, and the motor 10 is started, so that the two sets of rotating shafts 5 rotate synchronously in the same direction with the cooperation of the two sets of sprockets 8 and the one set of chains 9, so that the two sets of guide rollers 6 cooperate with each other to drive the tube blank to rotate, so that the electric heating tube 3 evenly heats the rotating tube blank.

[0025] Example 2

[0026] like Figures 1 to 5 As shown, the utility model is a seamless steel pipe blank heating device, comprising a shell 1, support legs 2, an electric heating tube 3 and a material port 4. The bottom end of the shell 1 is provided with multiple groups of support legs 2, the interior of the shell 1 is provided with an electric heating tube 3, the left end of the shell 1 is provided with a material port 4, and further comprising a sealing door assembly and a rotating assembly. The left end of the shell 1 is provided with a sealing door assembly, the sealing door assembly is used to seal the material port 4, and the interior of the shell 1 is provided with a rotating assembly, which is used to rotate the blank;

[0027] like Figure 3 and Figure 4 As shown, the rotating assembly includes a rotating shaft 5, a guide roller 6, a support plate 7, a sprocket 8, a chain 9 and a motor 10. Two groups of rotating shafts 5 are rotatably provided inside the housing 1. Each group of rotating shafts 5 is respectively provided with a group of guide rollers 6. A support plate 7 is provided at the right end of the housing 1. A motor 10 is provided at the top of the support plate 7. The right ends of the two groups of rotating shafts 5 extend to the right side of the housing 1. The output end of the motor 10 is connected to the right end of one group of rotating shafts 5. A group of sprockets 8 are respectively provided on each group of rotating shafts 5. The two groups of sprockets 8 are driven by a chain 9.

[0028] like Figure 1 and Figure 2As shown, the sealing door assembly includes a hinge seat 11, a sealing door 12, a rotating shaft 13, a second shaft pin 14 and a servo electric cylinder 15. One end of the sealing door 12 is hinged to the left end of the housing 1 through the hinge seat 11. The front and rear ends of the left part of the sealing door 12 are respectively rotatably provided with a group of rotating shafts 13. The first ends of the two groups of servo electric cylinders 15 are respectively hinged to the left end of the housing 1 through a group of second shaft pins 14. The second ends of the two groups of servo electric cylinders 15 are respectively fixedly connected to a group of rotating shafts 13.

[0029] like Figure 5 As shown, it also includes an access door 16 and bolts 17. The rear end of the housing 1 is provided with an access port. The access door 16 is mounted on the rear end of the housing 1 by means of the bolts 17. The access door 16 seals the access port.

[0030] It also includes an observation window 18, a support base 19 and a sealing cover 20. The front end of the shell 1 is provided with an observation window 18, the bottom ends of the legs 2 are respectively provided with a group of support bases 19, and the right end of the shell 1 is provided with a sealing cover 20. Two sets of sprockets 8 and a set of chains 9 are all on the inner side of the sealing cover 20.

[0031] In this embodiment, when in use, the two sets of servo electric cylinders 15 are operated to extend, so that the sealing door 12 releases the seal on the material port 4 with the cooperation of the hinge seat 11, and the tube blank is placed between the two sets of guide rollers 6. The two sets of servo electric cylinders 15 are operated to shorten, so that the sealing door 12 seals the material port 4, and the motor 10 is started, so that the two sets of rotating shafts 5 rotate synchronously in the same direction with the cooperation of the two sets of sprockets 8 and the one set of chains 9, so that the two sets of guide rollers 6 cooperate with each other to drive the tube blank to rotate, so that the electric heating tube 3 evenly heats the rotating tube blank. When it is necessary to inspect the inside of the shell 1, the staff unscrews the bolts 17, so that the inspection door 16 releases the seal on the inspection port, and the staff inspects the inside of the shell 1 through the inspection port.

[0032] The shell 1, electric heating tube 3, motor 10 and servo electric cylinder 15 of the seamless steel pipe blank heating equipment of the utility model are purchased on the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A seamless steel tube blank heating device, comprising a shell (1), legs (2), an electric heating tube (3) and a feed port (4), wherein the bottom end of the shell (1) is provided with multiple groups of legs (2), the interior of the shell (1) is provided with an electric heating tube (3), and the left end of the shell (1) is provided with a feed port (4), characterized in that: It also includes a sealing door assembly and a rotating assembly. The left end of the shell (1) is provided with a sealing door assembly, which is used to seal the material port (4). The interior of the shell (1) is provided with a rotating assembly, which is used to rotate the blank.

2. The seamless steel tube blank heating device according to claim 1, characterized in that: The rotating assembly comprises a rotating shaft (5), a guide roller (6), a support plate (7), a sprocket (8), a chain (9) and a motor (10). Two groups of rotating shafts (5) are rotatably arranged inside the housing (1). Each group of rotating shafts (5) is respectively provided with a group of guide rollers (6). A support plate (7) is provided at the right end of the housing (1). The motor (10) is provided at the top of the support plate (7). The right ends of the two groups of rotating shafts (5) extend to the right side of the housing (1). The output end of the motor (10) is connected to the right end of one group of rotating shafts (5). Each group of rotating shafts (5) is respectively provided with a group of sprockets (8). The two groups of sprockets (8) are driven by the chain (9).

3. The seamless steel tube blank heating device according to claim 2, characterized in that: The sealing door assembly comprises a hinge seat (11), a sealing door (12), a rotating shaft (13), a second shaft pin (14) and a servo electric cylinder (15); one end of the sealing door (12) is hinged to the left end of the housing (1) through the hinge seat (11); a group of rotating shafts (13) are respectively rotatably provided at the front and rear ends of the left portion of the sealing door (12); the first ends of the two groups of servo electric cylinders (15) are respectively hinged to the left end of the housing (1) through a group of second shaft pins (14); and the second ends of the two groups of servo electric cylinders (15) are respectively fixedly connected to a group of rotating shafts (13).

4. The seamless steel tube blank heating device according to claim 1, characterized in that: It also includes an inspection door (16) and bolts (17). The rear end of the shell (1) is provided with an inspection port. The inspection door (16) is installed on the rear end of the shell (1) through the bolts (17). The inspection door (16) seals the inspection port.

5. The seamless steel tube blank heating device according to claim 4, characterized in that: It also includes an observation window (18), and the front end of the housing (1) is provided with the observation window (18).

6. The seamless steel tube blank heating device according to claim 1, characterized in that: It also includes a support base (19), and the bottom ends of the legs (2) are respectively provided with a group of support bases (19).

7. The seamless steel tube blank heating device according to claim 2, characterized in that: It also includes a sealing cover (20). The right end of the housing (1) is provided with the sealing cover (20). The two groups of sprockets (8) and one group of chains (9) are both inside the sealing cover (20).

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