Steel pipe sizing mill with movable rack

By designing a steel pipe sizing machine with a movable frame, and adopting structures such as ball screw assemblies and limit slides, the machine can be moved flexibly and positioned precisely, solving the problem that fixed frames cannot adapt to steel pipes of different specifications, and improving production efficiency and equipment stability.

CN223733559UActive Publication Date: 2025-12-30WUXI RL PRECISION MACHINERY
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Patent Information

Application Number
CN202423199804.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-30
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The existing steel pipe sizing machine has a fixed frame structure, which makes it difficult to adapt to the sizing requirements of steel pipes of different specifications, increases the difficulty of operation and maintenance costs, occupies a large space, and limits production efficiency and equipment layout.

Method used

Design a steel pipe sizing machine with a movable frame. It adopts a structure with ball screw assembly, limit slide bar and anti-slip pad to realize flexible movement and precise positioning of the equipment. It achieves efficient sizing operation through servo motor drive.

Benefits of technology

It improves the usability and ease of operation of the equipment, ensures the accuracy and consistency of steel pipe sizing, reduces labor intensity and maintenance costs, and improves production efficiency and equipment stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223733559U_ABST
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Abstract

The utility model discloses a steel pipe sizing mill with a movable rack, and belongs to the field of steel pipe sizing mills, the two sides of the lower end of a rolling mill body are provided with mounting seats, the lower ends of the mounting seats are provided with a bottom frame, a movable frame is arranged below the bottom frame, the corners of the movable frame are provided with convex blocks, and the convex blocks are provided with mounting hole sites convenient for bolts to insert; a ball screw assembly is installed between the two movable frames and connected with the bottom frame, limiting sliding rods are arranged on the two sides of the movable frames, the two ends of the bottom frame are connected with limiting sliding seats through butt joint seats, and the limiting sliding rods are inserted into limiting sliding seat holes. The steel pipe sizing mill can freely move through the design of the movable frame, so that operators can conveniently adjust the position according to requirements to adapt to sizing operation of steel pipes with different lengths. According to the design, the applicability and the operation convenience of the equipment are improved, and the precision and the consistency of steel pipe sizing are ensured. The U-shaped design of the movable frame and the rubber anti-skid gasket enhance the stability of the equipment, prevent sliding wear and protect the performance of the equipment.
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Description

Technical Field

[0001] This utility model relates to the field of steel pipe sizing machines, and in particular to a steel pipe sizing machine with a movable frame. Background Technology

[0002] A pipe sizing mill is an important tool in metal processing equipment used for precise dimensional adjustment of steel pipes. Its main function is to further roll steel pipes, which have undergone preliminary rolling or other forming processes, to achieve predetermined diameter and precision requirements. The working principle of a pipe sizing mill is based on the rolling principle. During the rolling process, the steel pipe is fed between the rolls of the sizing mill. Through the rotation and compression of the rolls, the pipe's diameter is reduced slightly and its shape is shaped. The design and adjustment of the roll pass are crucial to ensuring sizing accuracy. By adjusting parameters such as the roll spacing, angle, and reduction amount, sizing of steel pipes of different specifications can be achieved.

[0003] In practical use, the fixed frame of a steel pipe sizing machine limits its adaptability to different specifications of steel pipes. When processing steel pipes of different diameters or wall thicknesses, it is usually necessary to replace the entire frame or make complex adjustments, which not only increases the difficulty of operation but also reduces production efficiency.

[0004] The fixed frame design complicates the maintenance and upkeep of the sizing mill. Over long-term use, components such as the frame and rolls are prone to wear, and the fixed structure makes replacement and repair of these components difficult, increasing maintenance costs and time.

[0005] Fixed racks occupy a relatively large amount of space, which is not conducive to optimizing the space and adjusting the layout of the production workshop. Within a limited production space, this may restrict the arrangement and use of other production equipment, affecting overall production efficiency.

[0006] With the continuous development of steel pipe production technology and changes in market demand, the performance requirements for sizing machines are also constantly increasing. Fixed-stand sizing machines have certain limitations in adapting to new technologies and processes, making it difficult to meet diverse production needs. Utility Model Content

[0007] The main objective of this invention is to provide a steel pipe sizing machine with a movable frame, which can effectively solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0009] A steel pipe sizing mill with a movable frame includes a mill body, a steel pipe sizing assembly, and a steel pipe placement groove. The steel pipe sizing assembly is installed in the groove of the mill body, and a steel pipe placement groove is formed between the steel pipe sizing assembly and the mill body.

[0010] The lower end of the mill body is provided with mounting seats on both sides, and a base frame is installed at the lower end of the mounting seats. A movable frame is provided below the base frame, and a protrusion is provided at the corner of the movable frame. The protrusion is provided with mounting holes for easy bolt insertion.

[0011] A ball screw assembly is installed between the two movable frames. The ball screw assembly is connected to the base frame. Limiting slide rods are provided on both sides of the movable frame. The two ends of the base frame are connected to limiting slide seats through mating seats, and the limiting slide rods are inserted into the openings of the limiting slide seats.

[0012] As an optional solution of this utility model, the lower end opening of the mill body is aligned with the screw hole of the mounting base, and an anti-slip pad is provided at the connection between the mounting base and the mill body. An anti-slip pad is also provided at the connection between the base frame and the mounting base, and the round hole on the base frame is aligned with the screw hole of the mounting base.

[0013] As an optional solution of this utility model, the ball screw assembly is divided into a screw, a slide and a servo motor. The slide is located on the screw, the servo motor is connected to the screw, the two ends of the screw are mounted on a movable frame, the servo motor is connected to the movable frame by bolts, and the slide is fixed to the base frame by bolts.

[0014] As an optional solution of this utility model, the top view of the movable frame is U-shaped, and rubber anti-slip pads are bonded to the protrusions of the movable frame.

[0015] As an optional solution of this utility model, the docking seat is designed in the shape of "T" and has docking holes. The docking holes are aligned with the round holes on the base frame. Anti-slip pads are provided at the connection between the docking seat and the base frame. The docking seat and the limiting slide are fixed by bolts.

[0016] As an optional solution of this utility model, the contact end between the limiting slide rod and the limiting slide seat is designed to be smooth, the limiting slide seat slides along the limiting slide rod, and the limiting slide rod is fixed to the movable frame by bolts.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The ingenious design of the mobile frame gives the steel pipe sizing machine the ability to move freely within the working area, allowing operators to flexibly adjust the equipment's position according to actual work needs to accommodate sizing operations of steel pipes of different lengths. This design not only improves the equipment's usability but also greatly enhances operational convenience. Through carefully designed limiting slides and limiting slide blocks, the equipment can achieve precise positioning during movement, thereby ensuring the accuracy and consistency of steel pipe sizing, which is crucial for guaranteeing steel pipe quality.

[0019] The "U"-shaped design of the mobile frame not only gives the equipment a unique appearance, but also significantly increases its stability through the rubber anti-slip pads on the protrusions, effectively preventing slippage and wear during operation, thus protecting the long-term performance of the equipment. Furthermore, the unique "T"-shaped docking seat design and bolt connection method make the assembly and disassembly of the equipment exceptionally convenient, greatly improving work efficiency. This design not only reduces operation time but also lowers labor intensity, making equipment maintenance and upkeep easier.

[0020] The use of anti-slip pads and bolt connections ensures the stability and safety of the equipment during movement and operation, which is crucial for operator safety. The efficient operation of the ball screw assembly not only ensures fast and accurate steel pipe sizing, thus improving overall work efficiency, but also enhances the quality of steel pipe sizing through its precise control. The smooth contact design of the limit slide and slide block, along with the use of the ball screw assembly, not only improves the smoothness of sliding and reduces equipment wear, but also effectively extends the equipment's service life and reduces maintenance costs. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a front view of the overall structure of this utility model;

[0023] Figure 3 This is a side view of the overall structure of this utility model;

[0024] Figure 4 The diagram shows the movable frame, ball screw assembly, limiting slide, and limiting slide rod of this utility model.

[0025] In the diagram: 1. Rolling mill body; 2. Steel pipe sizing assembly; 3. Steel pipe placement groove; 4. Mounting seat; 5. Base frame; 6. Moving frame; 7. Ball screw assembly; 8. Connecting seat; 9. Connecting hole; 10. Limiting slide; 11. Limiting slide rod. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] like Figure 1 - Figure 4As shown, a steel pipe sizing mill with a movable frame is uniquely designed and powerfully functional, including a main mill body 1, a steel pipe sizing assembly 2, and a steel pipe placement groove 3. The steel pipe sizing assembly 2 is cleverly installed in the groove of the mill body 1, so that the steel pipe sizing assembly 2 and the mill body 1 form a steel pipe placement groove 3, providing an ideal working environment for sizing the steel pipe.

[0028] The lower ends of the rolling mill body 1 are carefully designed with mounting seats 4 on both sides, and the lower ends of these mounting seats 4 are fitted with sturdy base frames 5. Below the base frames 5, there are flexible movable frames 6. The corners of the movable frames 6 are specially designed with protrusions, and these protrusions have mounting holes for easy bolt insertion, which facilitates the fixing and adjustment of the equipment.

[0029] A ball screw assembly 7 is cleverly installed between the two movable frames 6. The ball screw assembly 7 is tightly connected to the base frame 5, ensuring the stability and accuracy of the equipment. Limiting slide rods 11 are also provided on both sides of the movable frames 6, while the two ends of the base frame 5 are connected to limiting slide blocks 10 through docking seats 8. The limiting slide rods 11 are inserted into the openings of the limiting slide blocks 10, further enhancing the positioning accuracy of the equipment.

[0030] To ensure the stability and safety of the equipment, the lower end opening of the mill body 1 is aligned with the screw hole of the mounting base 4. Anti-slip pads are provided at the connection between the mounting base 4 and the mill body 1, and anti-slip pads are also provided at the connection between the base frame 5 and the mounting base 4. The round hole on the base frame 5 is aligned with the screw hole of the mounting base 4. These detailed designs fully demonstrate the ingenuity of the designers.

[0031] The ball screw assembly 7 features an ingenious structural design, consisting of a screw, a slide, and a servo motor. The slide is located on the screw, and the servo motor is connected to the screw, ensuring efficient operation of the equipment. Both ends of the screw are mounted on the movable frame 6, and the servo motor is bolted to the movable frame 6. The slide is bolted to the base frame 5. This design makes the movement and positioning of the equipment more flexible and precise.

[0032] The top view of the mobile frame 6 shows a "U"-shaped design, which is not only aesthetically pleasing but also provides more operating space in actual use. Rubber anti-slip pads are bonded to the protrusions of the mobile frame 6; these pads not only increase the stability of the equipment but also effectively prevent slippage and wear.

[0033] The docking seat 8 also features a unique "T"-shaped design. It has docking holes 9 aligned with the circular holes on the base frame 5, ensuring quick and accurate docking of the equipment. Anti-slip pads are provided at the connection point between the docking seat 8 and the base frame 5, further enhancing connection stability. The docking seat 8 is secured to the limiting slide 10 with bolts, making assembly and disassembly of the equipment more convenient.

[0034] The contact end between the limiting slide rod 11 and the limiting slide block 10 is smoothly designed, allowing the limiting slide block 10 to slide along the limiting slide rod 11. This design not only improves the smoothness of sliding but also effectively extends the service life of the equipment. The limiting slide rod 11 is fixed to the moving frame 6 with bolts, ensuring the stability and safety of the equipment during movement.

[0035] The usage procedure is as follows: Ensure that all components (rolling mill body 1, steel pipe sizing assembly 2, steel pipe placement groove 3, mounting base 4, base frame 5, moving frame 6, ball screw assembly 7, limit slide rod 11, docking seat 8, limit slide block 10, etc.) are complete and undamaged. Clean and inspect all connection points to ensure that there are no foreign objects or dirt affecting the normal operation of the equipment.

[0036] Place the base frame 5 in the designated position. Connect the base frame 5 to the mounting base 4 using bolts, ensuring that anti-slip pads are used at the connection points to increase stability. Place the movable frame 6 on both sides of the base frame 5. Connect the movable frame 6 to the base frame 5 using bolts, ensuring that the mounting holes on the protrusions at the corners of the movable frame 6 are aligned with the bolts for securing and adjusting.

[0037] Mount the ball screw assembly 7 onto the movable frame 6 at both ends. Fix the slide block to the base frame 5, ensuring the slide block is connected to the screw. Connect the servo motor to the screw, ensuring the servo motor's stability and efficient operation. Insert the limit slide rod 11 into the opening of the limit slide block 10, ensuring smooth sliding. Secure the limit slide rod 11 to the movable frame 6 using bolts, ensuring the stability and safety of the equipment during movement.

[0038] Connect the docking seat 8 to the base frame 5, ensuring that the docking hole 9 is aligned with the round hole on the base frame 5. Secure the docking seat 8 with bolts and ensure that anti-slip pads are used at the connection points to increase stability. Check that all connections are secure to ensure overall equipment stability. Confirm that the equipment's movement and positioning functions are flexible and precise. Place the steel pipe in the steel pipe placement slot 3. Adjust the steel pipe sizing assembly 2 to ensure a tight fit with the steel pipe. Start the servo motor and perform the steel pipe sizing operation via the ball screw assembly 7. Adjust the position of the moving frame 6 as needed to accommodate steel pipes of different lengths. After completing the steel pipe sizing, turn off the servo motor. Remove the sizing steel pipe for further processing or inspection. Regularly check the wear of each component of the equipment and replace worn parts promptly. Clean the equipment surface and maintain a clean working environment. Regularly lubricate the moving frame 6 and the ball screw assembly 7 to ensure smooth equipment operation.

[0039] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A mill movable steel pipe sizing machine, comprising a mill body (1), a steel pipe sizing assembly (2), a steel pipe placing groove (3), the steel pipe sizing assembly (2) is installed in the groove of the mill body (1), and the steel pipe placing groove (3) is formed between the steel pipe sizing assembly (2) and the mill body (1), characterized in that: The lower end of the rolling mill body (1) is provided with mounting seat (4), and the lower end of mounting seat (4) is provided with chassis (5), the lower end of chassis (5) is provided with moving frame (6), and the corner of moving frame (6) is provided with protrusion, and the protrusion is provided with mounting hole for facilitating bolt insertion; ​ The two moving frames (6) are provided with ball screw assembly (7), the ball screw assembly (7) is connected with the chassis (5), the two sides of the moving frame (6) are provided with limiting slide rod (11), the two ends of the chassis (5) are connected with limiting slide seat (10) through butt joint seat (8), and the limiting slide rod (11) is inserted into the opening of the limiting slide seat (10).

2. A mill of claim 1, wherein: The lower end of the rolling mill body (1) is provided with mounting seat (4), and the lower end of mounting seat (4) is provided with chassis (5), the lower end of chassis (5) is provided with moving frame (6), and the corner of moving frame (6) is provided with protrusion, and the protrusion is provided with mounting hole for facilitating bolt insertion; 3. A mill of claim 2, wherein: The ball screw assembly (7) is divided into screw rod, slide seat and servo motor, the slide seat is located on the screw rod, the servo motor is connected with the screw rod, the two ends of the screw rod are arranged on the moving frame (6), the servo motor is connected with the moving frame (6) through bolts, and the slide seat is fixed on the chassis (5) through bolts.

4. A mill of the type defined above, in which: The top view of the moving frame (6) is designed as "U" shape, and the protrusion of the moving frame (6) is bonded with rubber anti-skid pad.

5. A mill of the type defined above, in which: The butt joint seat (8) is designed as "T" shape, the butt joint seat (8) is provided with butt joint hole (9), the butt joint hole (9) is opposite to the round hole of the chassis (5), the butt joint seat (8) and the chassis (5) are connected with anti-skid pad, and the butt joint seat (8) and the limiting slide seat (10) are fixed through bolts.

6. A mill of the type defined above, in which: The contact end of the limiting slide rod (11) and the limiting slide seat (10) is smooth, the limiting slide seat (10) slides along the limiting slide rod (11), and the limiting slide rod (11) is fixed on the moving frame (6) through bolts.