Steel pipe sizing mill

By using electro-hydraulic rods, rotating motors and other components in the sizing machine, automatic clamping, moving and fixed pressing of steel pipe embryos is achieved, which solves the problem of frequent mold replacement of existing sizing machine molds, and improves processing efficiency and equipment practicality.

CN222607548UInactive Publication Date: 2025-03-14WUXI RL PRECISION MACHINERY
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Patent Information

Application Number
CN202421203477.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-03-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing sizing machines require frequent replacement of molds during steel pipe production, resulting in low processing efficiency and large workload of staff, which reduces the practicality of the equipment.

Method used

A steel pipe diameter sizing machine is designed, using components such as electro-hydraulic rods, rotating motors, rotating motors, servo motors and electric cylinders. Through the coordinated work of these components, the automatic clamping, moving and fixed pressing of the steel pipe embryo is achieved, reducing the need for mold replacement.

Benefits of technology

It improves the efficiency of steel pipe production, reduces the labor of staff, enhances the practicality of the diameter sizing machine, and reduces the possibility of human error through automated operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe sizing mill which comprises a mounting plate, two vertical plates are fixedly connected to the upper surface of the mounting plate, pressure bearings are fixedly embedded in the side faces, close to each other, of the two vertical plates, and the inner rings of the two pressure bearings are jointly and fixedly connected with a power wheel. According to the device, a driven wheel and a power wheel can clamp a steel pipe blank through pushing force of an electric hydraulic rod, the power wheel can conveniently drive the steel pipe blank to move through rotation of a rotating motor, and meanwhile the height of a driven fixed diameter wheel can be conveniently adjusted through an electric push rod; in addition, the rotation of a servo motor is combined and two rotating wheels are in transmission connection through a belt, so that the two rotating lead screws can conveniently drive the driving fixed-diameter wheels to move up and down, and the two driving fixed-diameter wheels can be conveniently close to each other by utilizing an electric air cylinder and a power motor; and meanwhile, the driving fixed-diameter wheel and the driven fixed-diameter wheel can conveniently perform fixed-diameter compression molding on the steel pipe blank by utilizing the power motor.
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Description

Technical Field

[0001] The utility model relates to the field of sizing machines, in particular to a steel pipe sizing machine. Background Art

[0002] The sizing mill is a steel pipe rolled out of a pilger mill. After being reheated in a walking furnace, it is rolled to obtain a relatively high-precision external dimension. The hole type of the sizing roller can be adjusted individually or both rollers can be adjusted simultaneously. The sizing roller of the sizing mill is the main tool for sizing. It is supported and rotated by the bearings in the sizing roller box to ensure the correct position of the sizing roller in the frame.

[0003] At present, the sizing machine is an indispensable equipment for the production of steel pipes. The current sizing machine needs to reinstall the required mold every time it produces a steel pipe. However, the replacement of the mold not only affects the processing efficiency of the steel pipe, but also consumes too much labor for the staff, reducing the practicality of the sizing machine. For this reason, we propose a steel pipe sizing machine to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a steel pipe sizing machine to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is connected with the gear train of claim 1, wherein the two guide wheels are connected along the longitudinal direction of the rotation of the motor, and the guide wheels are connected along the longitudinal direction of the rotation of the motor. The top of each of the electric push rods is fixedly installed with a rotating bearing seat, and the inner ring of each group of the rotating bearing seats is jointly fixedly connected to a driven fixed warp wheel, and the upper surface of the mounting plate is fixedly connected to the two positioning plates, and the inner bottom wall of each positioning plate and the inner top wall of the positioning plate are fixedly inlaid with a driven bearing, and the inner ring of each group of the driven bearings is jointly fixedly connected to a rotating screw rod, and the top of each of the rotating screw rods is fixedly connected to a rotating wheel, and the two rotating wheels are connected by belt transmission, and the upper surface of one of the two rotating wheels is fixedly connected to a servo motor, and the outer surface of the servo motor is fixedly connected to an L-shaped connecting frame, and the front side of the L-shaped connecting frame is fixedly connected to the back side of one of the two positioning plates, and the outer surface of each of the rotating screw rods is threadedly connected to a slider, and the side surfaces of the two sliders close to each other are fixedly inlaid with an electric cylinder, and the outer surface of each of the electric cylinders is fixedly connected to an active fixed warp wheel, and the right side surface of one of the two active fixed warp wheels is fixedly connected to a power motor.

[0007] In a further embodiment, two U-shaped support legs are fixedly connected to the bottom surface of the mounting plate, and two mounting holes are provided on the bottom surface of each of the U-shaped support legs.

[0008] In a further embodiment, a control display screen is fixedly connected to the front side of the mounting plate, and an outer surface of each of the T-shaped mounting frames is slidably connected to an inner wall of the mounting plate.

[0009] In a further embodiment, each of the active fixed prayer wheels is adapted to a driven fixed prayer wheel, and the rotating motor and the servo motor are both connected to a power source via a power cord.

[0010] In a further embodiment, a storage box is fixedly connected to the bottom surface of the mounting plate, and the rotating motor and the power motor are both connected to a power source via connecting wires.

[0011] In a further embodiment, a lighting lamp is fixedly connected to the upper surface of each vertical plate, and the electric hydraulic rod, electric push rod and electric cylinder are all connected to a power source via wires.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device can clamp the steel pipe blank by the driving force of the electric hydraulic rod, and can conveniently drive the power wheel to move the steel pipe blank by the rotation of the rotating motor, and can make the positive and negative screw rods drive the two T-shaped mounting frames and the driven warp wheel to approach each other in coordination with the rotation of the rotating motor, and can conveniently adjust the height of the driven warp wheel by the electric push rod, and can conveniently drive the active warp wheel to move up and down by the two rotating wheels in combination with the rotation of the servo motor and the belt transmission connection of the two rotating wheels, and can conveniently make the two rotating screw rods drive the active warp wheel to move up and down, and can conveniently make the two active warp wheels approach each other by the electric cylinder and the power motor, and can conveniently make the active warp wheel and the driven warp wheel to perform warp pressing and forming on the steel pipe blank by the power motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the three-dimensional diagram of the mounting plate in the steel pipe sizing machine.

[0015] Figure 2 Rear view of the positioning plate in the steel pipe sizing machine.

[0016] Figure 3 Top view of the mounting plate in the pipe sizing machine.

[0017] Figure 4 For steel pipe sizing machine Figure 3 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0018] In the figure: 1. Mounting plate; 2. Vertical plate; 3. Pressure bearing; 4. Power wheel; 5. Rotating motor; 6. Electric hydraulic rod; 7. Rotating bearing seat; 8. Driven wheel; 9. Sealed bearing; 10. Positive and negative screws; 11. Rotating motor; 12. T-type mounting frame; 13. Electric push rod; 14. Rotating bearing seat; 15. Driven warp wheel; 16. Driven bearing; 17. Rotating screw; 18. Rotating wheel; 19. Servo motor; 20. L-type connecting frame; 21. Sliding block; 22. Electric cylinder; 23. Active warp wheel; 24. Lighting lamp; 25. Positioning plate; 26. Control display screen; 27. Storage box; 28. U-shaped support leg; 29. ​​Power motor. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4In the utility model, a steel pipe sizing machine includes a mounting plate 1, and the upper surface of the mounting plate 1 is fixedly connected to two vertical plates 2, and the side surfaces of the two vertical plates 2 close to each other are fixedly inlaid with pressure bearings 3, and the inner rings of the two pressure bearings 3 are fixedly connected to a power wheel 4. The front of one of the two vertical plates 2 is fixedly connected to a rotating motor 5, and the output end of the rotating motor 5 is fixedly connected to the front end of the power wheel 4. The upper surface of the mounting plate 1 is fixedly inlaid with two electric hydraulic rods 6, and the top of each electric hydraulic rod 6 is fixedly installed with a rotating bearing seat 7. The inner rings of the two rotating bearing seats 7 are fixedly connected to a driven wheel 8. The electric hydraulic rod 6 can be used to facilitate the driven wheel 8 to approach the power wheel 4, and the rotating motor 5 can be used to The steel tube blank can be moved automatically and conveniently. Two sealed bearings 9 are fixedly inlaid on the inner wall of the mounting plate 1. The inner rings of the two sealed bearings 9 are fixedly connected with positive and negative screws 10. The front of the mounting plate 1 is fixedly connected with a rotating motor 11. The output end of the rotating motor 11 is fixedly connected to the front end of the positive and negative screws 10. The outer surface of the positive and negative screws 10 is threadedly connected with two T-shaped mounting frames 12. Two electric push rods 13 are fixedly inlaid on the upper surface of each T-shaped mounting frame 12. A rotating bearing seat 14 is fixedly installed on the top of each electric push rod 13. The inner ring of each set of rotating bearing seats 14 is fixedly connected with a driven fixed warp wheel 15. The rotation of the rotating motor 11 can conveniently make the positive and negative screws 10 drive the two T-shaped The mounting frame 12 and the driven warp wheel 15 are close to each other, and the electric push rod 13 can be used to conveniently drive the driven warp wheel 15 to rise and fall. Two positioning plates 25 are fixedly connected to the upper surface of the mounting plate 1. The inner bottom wall of each positioning plate 25 and the inner top wall of the positioning plate 25 are fixedly inlaid with driven bearings 16. The inner ring of each group of driven bearings 16 is commonly fixedly connected with a rotating screw rod 17. The top of each rotating screw rod 17 is fixedly connected with a rotating wheel 18. The two rotating wheels 18 are connected by belt transmission. The upper surface of one of the two rotating wheels 18 is fixedly connected with a servo motor 19. The outer surface of the servo motor 19 is fixedly connected with an L-shaped connecting frame 20. The front surface of the L-shaped connecting frame 20 is connected to the two positioning plates 25. The back of one is fixedly connected, the outer surface of each rotating screw rod 17 is threadedly connected with a slider 21, and the two rotating wheels 18 are connected through a belt drive, and the rotation of the servo motor 19 can conveniently drive the two rotating screw rods 17 to rotate and make the active warp wheel 23 move up and down, and the side of the two sliders 21 close to each other are fixedly inlaid with an electric cylinder 22, and the outer surface of each electric cylinder 22 is fixedly connected with an active warp wheel 23, and the right side of one of the two active warp wheels 23 is fixedly connected with a power motor 29. The driving force of the electric cylinder 22 and the rotation of the power motor 29 can facilitate the two active warp wheels 23 to approach each other, and at the same time, it is convenient to warp the steel pipe blank.

[0023] Two U-shaped support legs 28 are fixedly connected to the bottom surface of the mounting plate 1, and two mounting holes are provided on the bottom surface of each U-shaped support leg 28. The U-shaped support legs 28 and the mounting holes can be used to conveniently fix the device to the ground. A control display screen 26 is fixedly connected to the front of the mounting plate 1. The outer surface of each T-shaped mounting frame 12 is slidably connected to the inner wall of the mounting plate 1. The control display screen 26 can be used to conveniently set the operation of the electrical components. Each active warp wheel 23 is compatible with the driven warp wheel 15. The rotating motor 5 and the servo motor 19 are connected to the power supply through a power cord. Each active warp wheel 23 is compatible with the driven warp wheel 15, so that the steel pipe blank can be conveniently pressed and formed.

[0024] A storage box 27 is fixedly connected to the bottom surface of the mounting plate 1. The rotating motor 11 and the power motor 29 are connected to the power supply through connecting wires. The storage box 27 can be used to conveniently store and use tools. A lighting lamp 24 is fixedly connected to the upper surface of each vertical plate 2. The electric hydraulic rod 6, the electric push rod 13 and the electric cylinder 22 are connected to the power supply through wires. The lighting lamp 24 can conveniently provide lighting when the visibility is poor.

[0025] The working principle of the utility model is:

[0026] First, the U-shaped support legs 28 are fixed to the ground using the mounting holes and mounting screws, and the forming diameter of the steel pipe is determined. At the same time, the electrical components are connected to the power supply, and then the steel pipe blank is extended to the bottom of the power wheel 4, and the electric hydraulic rod 6 is started to push the driven wheel 8 to contact and clamp the steel pipe blank. At the same time, the electric push rod 13 is started to push the driven warp wheel 15 to the same level as the steel pipe blank, and the servo motor 19 is started and cooperated with the two rotating wheels 18 to rotate the two rotating screws 17 through the belt, and then the two active warp wheels 23 follow and descend, and the electric cylinder 22 is started to make the two The two active warp wheels 23 approach each other to a specified distance, and the rotating motor 11 is started at the same time to drive the forward and reverse screw rods 10 to rotate. Next, the two T-shaped mounting frames 12 and the two driven warp wheels 15 approach each other. According to the above steps, the side of the two driven warp wheels 15 and the two active warp wheels 23 that are close to each other is the diameter of the steel pipe. At the same time, the power motor 29 is started to work, and finally the rotation of the rotating motor 5 causes the steel pipe blank to be inserted into the space between the two T-shaped mounting frames 12 and the two driven warp wheels 15, and the steel pipe blank is pressed into a specified diameter. The above is the entire use process of this equipment.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A steel pipe sizing machine, characterized in that: The invention comprises a mounting plate (1), wherein the upper surface of the mounting plate (1) is fixedly connected to two vertical plates (2), and the side surfaces of the two vertical plates (2) close to each other are fixedly inlaid with pressure bearings (3), and the inner rings of the two pressure bearings (3) are fixedly connected to a power wheel (4) together, and the front surface of one of the two vertical plates (2) is fixedly connected to a rotating motor (5), and the output end of the rotating motor (5) is fixedly connected to the front end of the power wheel (4), and the upper surface of the mounting plate (1) is fixedly inlaid with two electric hydraulic rods (6), and the top end of each electric hydraulic rod (6) is fixedly installed with a rotating bearing seat (7), and the two rotating The inner ring of the bearing seat (7) is fixedly connected to a driven wheel (8); the inner side wall of the mounting plate (1) is fixedly inlaid with two sealed bearings (9); the inner rings of the two sealed bearings (9) are fixedly connected to a forward and reverse screw rod (10); the front of the mounting plate (1) is fixedly connected to a rotating motor (11); the output end of the rotating motor (11) is fixedly connected to the front end of the forward and reverse screw rod (10); the outer surface of the forward and reverse screw rod (10) is threadedly connected to two T-shaped mounting brackets (12); the upper surface of each T-shaped mounting bracket (12) is fixedly inlaid with two electric push rods (13); each electric push rod (13) is fixedly inlaid with two electric push rods (13); A rotating bearing seat (14) is fixedly installed at the top, and the inner ring of each group of the rotating bearing seats (14) is fixedly connected to a driven fixed warp wheel (15). The upper surface of the mounting plate (1) is fixedly connected to two positioning plates (25), and the inner bottom wall of each positioning plate (25) and the inner top wall of the positioning plate (25) are fixedly inlaid with a driven bearing (16). The inner ring of each group of the driven bearings (16) is fixedly connected to a rotating screw (17), and the top of each rotating screw (17) is fixedly connected to a rotating wheel (18). The two rotating wheels (18) are connected by a belt drive. A servo motor (19) is fixedly connected to the upper surface of one of the two positioning plates (25); an L-shaped connecting frame (20) is fixedly connected to the outer surface of the servo motor (19); the front surface of the L-shaped connecting frame (20) is fixedly connected to the back surface of one of the two positioning plates (25); a slider (21) is threadedly connected to the outer surface of each rotating screw rod (17); an electric cylinder (22) is fixedly embedded on the side of the two sliders (21) close to each other; an active warp wheel (23) is fixedly connected to the outer surface of each electric cylinder (22); and a power motor (29) is fixedly connected to the right side of one of the two active warp wheels (23).

2. A steel pipe sizing machine according to claim 1, characterized in that: Two U-shaped support legs (28) are fixedly connected to the bottom surface of the mounting plate (1), and two mounting holes are provided on the bottom surface of each of the U-shaped support legs (28).

3. A steel pipe sizing machine according to claim 1, characterized in that: A control display screen (26) is fixedly connected to the front of the mounting plate (1), and the outer surface of each T-shaped mounting frame (12) is slidably connected to the inner wall of the mounting plate (1).

4. A steel pipe sizing machine according to claim 1, characterized in that: Each of the active warp wheels (23) is matched with the driven warp wheel (15), and the rotating motor (5) and the servo motor (19) are connected to a power source via a power line.

5. The steel pipe sizing machine according to claim 1, characterized in that: A storage box (27) is fixedly connected to the bottom surface of the mounting plate (1), and the rotating motor (11) and the power motor (29) are both connected to a power source via connecting wires.

6. A steel pipe sizing machine according to claim 1, characterized in that: The upper surface of each upright plate (2) is fixedly connected to a lighting lamp (24), and the electric hydraulic rod (6), the electric push rod (13) and the electric cylinder (22) are all connected to a power source via a wire.