Clamping device for precise steel pipe

By designing a clamping device that adapts to precision steel pipes of different specifications, and utilizing a servo motor and hydraulic system to achieve automatic adjustment of clamping and support, the problem that existing devices cannot adapt to different diameters is solved, thus improving processing efficiency and accuracy.

CN223820388UActive Publication Date: 2026-01-23JIANGYIN LONGBANG METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202520133968.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-23
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing precision steel pipe clamping devices cannot adapt to steel pipes of different diameters, resulting in the need to replace them with different models of clamping mechanisms, which affects processing efficiency.

Method used

A clamping device comprising a moving component, a clamping component, and a supporting component was designed. It achieves automatic adjustment of clamping and support through a servo motor and a hydraulic system, adapting to precision steel pipes of different specifications.

Benefits of technology

It improves the efficiency and precision of precision steel pipe processing, avoids the problem of having to change the clamping mechanism due to different diameters, reduces vibration during processing, and improves stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of precision steel pipe machining, and discloses a clamping device for a precision steel pipe, which comprises two mounting blocks, one side of each mounting block is welded with a connecting block, one side of one connecting block is fixedly connected with a moving assembly, the surface of the moving assembly is in threaded connection with a moving block, and the surface of the moving block is in threaded connection with the connecting block. A mounting seat is fixedly connected to one end of the moving block, a supporting frame is welded to the edge of the top of the mounting seat, and a clamping assembly is connected to the top face of the supporting frame in a penetrating mode. According to the clamping device for the precise steel pipes, through the arrangement of the moving assembly and the clamping assembly, the purpose of clamping the precise steel pipes of different specifications is achieved, and the situation that due to the fact that the diameters of the precise steel pipes are different, the clamping size cannot be changed at will during clamping is avoided; therefore, workers need to replace clamping mechanisms of different models to clamp steel pipes of various specifications, and the precision steel pipe machining efficiency can be improved.
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Description

Technical Field

[0001] This utility model relates to the field of precision steel pipe processing technology, and in particular to a clamping device for precision steel pipes. Background Technology

[0002] Precision steel pipe is a high-precision steel pipe material produced by cold drawing or hot rolling. During the processing of precision steel pipe, it is often necessary to clamp the pipe so that appropriate equipment can perform processing steps such as grinding, spraying, and drilling.

[0003] However, existing clamping devices for precision steel pipes are not convenient to change the clamping size arbitrarily when used in actual use because the diameter of the precision steel pipes is different. As a result, workers need to change different models of clamping mechanisms to complete the clamping work of steel pipes of various specifications, which is not conducive to improving the efficiency of precision steel pipe processing. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] The purpose of this invention is to provide a clamping device for precision steel pipes, thereby solving the problem mentioned in the background art that it is inconvenient to improve the efficiency of precision steel pipe processing.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a clamping device for precision steel pipes, comprising two mounting blocks, each mounting block having a connecting block welded to one side; a movable component fixedly connected to one side of one of the connecting blocks; a movable block threadedly connected to the surface of the movable component; a mounting base fixedly connected to one end of the movable block; a support frame welded to the top edge of the mounting base; a clamping component penetrating the top surface of the support frame; sliding columns fixedly connected to the inner walls of both mounting blocks; and support components slidably connected to both sides of the surface of each sliding column.

[0008] The clamping assembly includes a cylinder that is connected through to the top surface of the support frame. A clamping upper part is fixedly connected to the bottom end of the cylinder. Limiting holes are opened at both ends of the top surface of the clamping upper part. A hydraulic lifting rod is connected through to the inside of the limiting hole. A clamping long plate is fixedly connected to the bottom end of the hydraulic lifting rod.

[0009] The support assembly includes a support mounting frame that is slidably connected to both sides of the sliding column surface. A hydraulic support rod is fixedly connected to the top of the support mounting frame. A support ring frame is fixedly connected to the top of the hydraulic support rod. Several springs are fixedly installed on the inner wall of the support ring frame. A receiving plate is fixedly connected to one end of each spring.

[0010] As a further embodiment of this utility model, the moving component includes a servo motor fixedly connected to one side of one of the connecting blocks. The output end of the servo motor is splinedly connected to a transmission rod, and one end of the transmission rod is fixedly connected to a lead screw, which is easy to rotate.

[0011] As a further embodiment of this utility model, the bottom end of the mounting base is fixedly connected to two sleeves, which are slidably sleeved on the surface of the sliding column, and the sliding column facilitates the connection between the support mounting frame and the mounting base.

[0012] As a further embodiment of this utility model, a clamping lower part is fixedly connected to the top of the mounting base, and a wear-resistant layer is provided on the inner wall of the clamping lower part, which facilitates the placement of precision steel pipes.

[0013] As a further embodiment of this utility model, an adjustment hole is provided on one side of the support mounting bracket, and an adjustment bolt is threaded into the adjustment hole, which facilitates the adjustment of the support spacing.

[0014] As a further embodiment of this utility model, the inner wall of the support ring frame is provided with a groove, and a damping hydraulic rod is fixedly connected inside the groove. A buffer spring is sleeved on the surface of the damping hydraulic rod. The top ends of the damping hydraulic rod and the buffer spring are both fixedly connected to the bottom end of the receiving plate. The damping hydraulic rod and the buffer spring facilitate the reduction of vibration generated during the processing of precision steel pipe.

[0015] As a further embodiment of this utility model, a PLC controller is provided on one side of one of the mounting blocks. One end of the PLC controller is electrically connected to the hydraulic lifting rod and the hydraulic support rod respectively through a power line, so that the PLC controller can easily start the corresponding equipment.

[0016] (III) Beneficial Effects

[0017] This utility model provides a clamping device for precision steel pipes, which has the following advantages:

[0018] 1. This clamping device for precision steel pipes, through the setting of moving components and clamping components, allows for the following operation: The clamping device is installed on the processing equipment, the precision steel pipe is placed on the clamping lower part, the cylinder is activated to push the clamping upper part downwards, and according to the diameter of the precision steel pipe, the hydraulic lifting rod is activated to push the clamping plate against the surface of the precision steel pipe, fixing it in place. The servo motor is then activated, the lead screw rotates, driving the mounting base to move, thus moving the precision steel pipe to the processing area. This achieves the purpose of clamping precision steel pipes of different specifications, avoiding the inability to arbitrarily change the clamping size due to different diameters of the precision steel pipes, which would otherwise require workers to change different models of clamping mechanisms to complete the clamping work for various specifications of steel pipes. This helps to improve the efficiency of precision steel pipe processing.

[0019] 2. This clamping device for precision steel pipes, through the positions of the support components, damping hydraulic rods, and buffer springs, allows for adjustment of the position of the support mounting bracket on the sliding column by turning the adjusting bolt according to the length of the precision steel pipe. After adjustment, the adjusting bolt is tightened. The height of the support ring is adjusted according to the diameter and height of the precision steel pipe, allowing the receiving plate to support the bottom of the precision steel pipe. During processing, the damping hydraulic rod can alleviate the vibration caused by processing, and the buffer spring stores elastic potential energy. When the vibration disappears, the damping hydraulic rod returns to its original shape, thereby achieving the function of supporting the precision steel pipe and preventing minor deformation of the precision steel pipe due to external forces during processing, which helps to improve the accuracy and stability of precision steel pipe processing. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the mobile component of this utility model;

[0022] Figure 3 This is a schematic diagram of the clamping assembly structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the support component structure of this utility model.

[0024] In the diagram: 1. Mounting block; 2. Connecting block; 3. Moving component; 301. Servo motor; 302. Lead screw; 4. Moving block; 5. Mounting base; 6. Support frame; 7. Clamping component; 701. Cylinder; 702. Clamping upper part; 703. Hydraulic lifting rod; 704. Clamping long plate; 8. Sliding column; 9. Support component; 901. Support mounting frame; 902. Hydraulic support rod; 903. Support ring frame; 904. Receiving plate; 10. Sleeve; 11. Clamping lower part; 12. Adjusting bolt; 13. Damping hydraulic rod; 14. Buffer spring; 15. PLC controller. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] Please see Figures 1 to 4This utility model provides a technical solution: a clamping device for precision steel pipes, comprising two mounting blocks 1, each mounting block 1 having a connecting block 2 welded to one side, a moving component 3 fixedly connected to one side of one of the connecting blocks 2, a moving block 4 threadedly connected to the surface of the moving component 3, a mounting base 5 fixedly connected to one end of the moving block 4, a support frame 6 welded to the top edge of the mounting base 5, a clamping component 7 penetratingly connected to the top surface of the support frame 6, sliding columns 8 fixedly connected to the inner walls of both mounting blocks 1, and support components 9 slidably connected to both sides of the surface of the sliding columns 8.

[0027] The clamping assembly 7 includes a cylinder 701 that penetrates the top surface of the support frame 6. A clamping upper part 702 is fixedly connected to the bottom end of the cylinder 701. Limit holes are provided at both ends of the top surface of the clamping upper part 702. A hydraulic lifting rod 703 penetrates the interior of the limit holes. A clamping long plate 704 is fixedly connected to the bottom end of the hydraulic lifting rod 703. Through the arrangement of the moving assembly 3 and the clamping assembly 7, in use, the clamping device is installed on the processing equipment, and then the precision steel pipe is placed on the clamping lower part 11. The cylinder 701 is activated, pushing the clamping upper part 702 downwards. According to the precision steel... The diameter of the pipe is determined by starting the hydraulic lifting rod 703, which pushes the clamping plate 704 down to the surface of the precision steel pipe and fixes it in place. The servo motor 301 is started, and the lead screw 302 rotates, driving the mounting base 5 to move and move the precision steel pipe to the processing area. This achieves the purpose of clamping precision steel pipes of different specifications, avoiding the inability to arbitrarily change the clamping size when clamping due to the different diameters of the precision steel pipes. This prevents workers from having to change different models of clamping mechanisms to complete the clamping work of various specifications of steel pipes, and helps to improve the efficiency of precision steel pipe processing.

[0028] The support assembly 9 includes a support mounting bracket 901 that is slidably connected to both sides of the surface of the sliding column 8. A hydraulic support rod 902 is fixedly connected to the top of the support mounting bracket 901, and a support ring frame 903 is fixedly connected to the top of the hydraulic support rod 902. Several springs are fixedly installed on the inner wall of the support ring frame 903, and a receiving plate 904 is fixedly connected to one end of each spring. By adjusting the position of the support assembly 9, the damping hydraulic rod 13, and the buffer spring 14 during use, the position of the support mounting bracket 901 on the sliding column 8 can be adjusted by turning the adjusting bolt 12 according to the length of the precision steel pipe. After adjustment, tighten the adjusting bolt 12. The hydraulic support rod 902 adjusts the height of the support ring frame 903 according to the diameter and height of the precision steel pipe, so that the receiving plate 904 supports the bottom of the precision steel pipe. During processing, the damping hydraulic rod 13 can alleviate the vibration caused by processing, and the buffer spring 14 stores elastic potential energy. When the vibration disappears, the damping hydraulic rod 13 returns to its original shape, thereby achieving the function of supporting the precision steel pipe. This avoids the precision steel pipe from undergoing slight deformation due to external forces during processing, which helps to improve the accuracy and stability of precision steel pipe processing.

[0029] The moving component 3 includes a servo motor 301 fixedly connected to one side of one of the connecting blocks 2. The output end of the servo motor 301 is splinedly connected to a transmission rod, and one end of the transmission rod is fixedly connected to a lead screw 302. The moving component 3 is used to move the position of the precision steel pipe.

[0030] The bottom end of the mounting base 5 is fixedly connected to two sleeves 10. The sleeves 10 are slidably sleeved on the surface of the sliding column 8. The sleeves 10 serve to stabilize the mounting base 5.

[0031] The top of the mounting base 5 is fixedly connected to the clamping lower part 11. The inner wall of the clamping lower part 11 is provided with a wear-resistant layer. The clamping lower part 11 serves to hold the precision steel pipe.

[0032] An adjustment hole is provided on one side of the support mounting bracket 901. An adjustment bolt 12 is threaded into the inside of the adjustment hole. The adjustment bolt 12 is used to adjust the support spacing.

[0033] The inner wall of the support ring 903 has a groove, and a damping hydraulic rod 13 is fixedly connected inside the groove. A buffer spring 14 is sleeved on the surface of the damping hydraulic rod 13. The top ends of the damping hydraulic rod 13 and the buffer spring 14 are fixedly connected to the bottom end of the receiving plate 904. The damping hydraulic rod 13 and the buffer spring 14 are used to reduce the vibration of the precision steel pipe to the clamping device during the processing.

[0034] One of the mounting blocks 1 is equipped with a PLC controller 15. One end of the PLC controller 15 is electrically connected to the hydraulic lifting rod 703 and the hydraulic support rod 902 via power lines. The PLC controller 15 is configured to control the simultaneous start of the two hydraulic lifting rods 703 and the two hydraulic support rods 902.

[0035] In this invention, the working steps of the device are as follows:

[0036] First step: When using it, install the clamping device on the processing equipment, then place the precision steel pipe on the clamping lower part 11, start the cylinder 701 to push the clamping upper part 702 to move downward, according to the diameter of the precision steel pipe, start the hydraulic lifting rod 703 to push the clamping plate 704 to the surface of the precision steel pipe to fix it, start the servo motor 301, the lead screw 302 rotates, driving the mounting base 5 to move and move the precision steel pipe to the processing area;

[0037] The second step: During use, adjust the position of the support mounting bracket 901 on the sliding column 8 by turning the adjusting bolt 12 according to the length of the precision steel pipe. After adjustment, tighten the adjusting bolt 12. Adjust the height of the support ring bracket 903 according to the diameter and height of the precision steel pipe, so that the receiving plate 904 is supported at the bottom of the precision steel pipe. During processing, the damping hydraulic rod 13 can alleviate the vibration caused by processing, and the buffer spring 14 stores elastic potential energy. When the vibration disappears, let the damping hydraulic rod 13 return to its original state. It should be noted that the equipment structure and drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0038] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clamping device for precision steel pipes, comprising two mounting blocks (1), characterized in that: A connecting block (2) is welded to one side of each of the two mounting blocks (1). A moving component (3) is fixedly connected to one side of one of the connecting blocks (2). A moving block (4) is threadedly connected to the surface of the moving component (3). A mounting base (5) is fixedly connected to one end of the moving block (4). A support frame (6) is welded to the top edge of the mounting base (5). A clamping component (7) is connected through the top surface of the support frame (6). A sliding column (8) is fixedly connected to the inner wall of each of the two mounting blocks (1). A support component (9) is slidably connected to both sides of the surface of the sliding column (8). The clamping assembly (7) includes a cylinder (701) that is connected through to the top surface of the support frame (6). The bottom end of the cylinder (701) is fixedly connected to a clamping upper part (702). Limiting holes are opened at both ends of the top surface of the clamping upper part (702). A hydraulic lifting rod (703) is connected through to the inside of the limiting hole. A clamping long plate (704) is fixedly connected to the bottom end of the hydraulic lifting rod (703). The support assembly (9) includes a support mounting frame (901) that is slidably connected to both sides of the surface of the sliding column (8). A hydraulic support rod (902) is fixedly connected to the top of the support mounting frame (901). A support ring frame (903) is fixedly connected to the top of the hydraulic support rod (902). Several springs are fixedly installed on the inner wall of the support ring frame (903). One end of each spring is fixedly connected to a receiving plate (904).

2. The clamping device for precision steel pipes according to claim 1, characterized in that: The moving component (3) includes a servo motor (301) fixedly connected to one side of one of the connecting blocks (2). The output end of the servo motor (301) is splinedly connected to a transmission rod, and one end of the transmission rod is fixedly connected to a lead screw (302).

3. The clamping device for precision steel pipes according to claim 1, characterized in that: The bottom end of the mounting base (5) is fixedly connected to two sleeves (10), which are slidably sleeved on the surface of the sliding column (8).

4. The clamping device for precision steel pipes according to claim 1, characterized in that: The top of the mounting base (5) is fixedly connected to a clamping lower part (11), and the inner wall of the clamping lower part (11) is provided with a wear-resistant layer.

5. A clamping device for precision steel pipes according to claim 1, characterized in that: An adjustment hole is provided on one side of the support mounting bracket (901), and an adjustment bolt (12) is threaded into the adjustment hole.

6. The clamping device for precision steel pipes according to claim 1, characterized in that: The inner wall of the support ring frame (903) is provided with a groove, and a damping hydraulic rod (13) is fixedly connected inside the groove. A buffer spring (14) is sleeved on the surface of the damping hydraulic rod (13). The top ends of the damping hydraulic rod (13) and the buffer spring (14) are both fixedly connected to the bottom end of the receiving plate (904).

7. A clamping device for precision steel pipes according to claim 1, characterized in that: One of the mounting blocks (1) is provided with a PLC controller (15) on one side. One end of the PLC controller (15) is electrically connected to the hydraulic lifting rod (703) and the hydraulic support rod (902) via power lines.