Perforating device for precision pipe fitting machining

By designing a precision tube processing device with a reciprocating screw and servo motor drive, the problems of deformation and accuracy of precision tubes during the piercing process were solved, and high-quality piercing results were achieved.

CN223902957UActive Publication Date: 2026-02-13HANGZHOU LINAN KANGHONG PRECISION TECH CO LTD
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Patent Information

Application Number
CN202520095486.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-02-13
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing precision pipe processing equipment is prone to pipe deformation and rough hole surface during piercing, resulting in poor piercing effect, especially making it difficult to guarantee the quality of precision pipes.

Method used

A precision pipe-making piercing device is adopted, which uses a reciprocating screw to drive a moving block and a crank to support the bottom of the pipe. Combined with a servo motor-driven moving mechanism and clamping components, it ensures that the pipe is not easily deformed during the piercing process. The stability and accuracy of the device are improved by wear-resistant coating and hard alloy material.

Benefits of technology

It improves the quality and precision of perforation of precision tubes, reduces the scrap rate of precision tubes, and enhances the stability and accuracy of perforation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipe fitting processing, in particular to a perforating device for precision pipe fitting processing, which comprises a workbench, a support frame arranged on one side of the top of the workbench, a perforating component arranged on the support frame, a pipe fitting clamped on a clamping component, a reciprocating screw arranged on the support frame through a bearing, and two moving blocks arranged on the top of the workbench. The two moving blocks are in threaded connection to the two threaded ends of the reciprocating screw, a frame is placed on the workbench, the tops of the two moving blocks are connected with curved bars in a hinged mode, and one ends of the two curved bars are hinged to the two ends of the frame respectively. According to the device, the reciprocating screw rotates to drive the two moving blocks to move on the workbench, so that the two curved bars can drive the frame to support the bottom of a pipe fitting in the moving process, the pipe fitting is not prone to bending deformation in the pipe fitting perforating process, and therefore the pipe fitting perforating quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting processing technical field especially relates to a kind of perforating device for precision pipe fitting processing. BACKGROUND

[0002] It is known that when transporting some fluids or connecting between pipeline systems, pipe fittings are used, and when connecting or guiding between pipe fittings, the surface of pipe fittings needs to be perforated, so a perforating device for pipe fitting processing is needed to assist in completing the perforation work and improve the processing efficiency of pipe fittings.

[0003] Most existing perforating devices perforate pipe fittings by clamping both ends of the pipe fittings, which makes the pipe fittings prone to deformation after the perforating head contacts the pipe fittings, resulting in rough hole surface and poor perforation effect. Moreover, the more precise the pipe fitting, the higher the precision requirement for perforation, which makes the quality of perforation of precision pipe fittings even worse, and the scrap rate of perforated precision pipe fittings is also high. SUMMARY

[0004] The utility model aims at solving the problem of existing technology, i.e., the precision pipe fitting is prone to deformation after the perforating head contacts the pipe fitting, resulting in rough hole surface and poor perforation effect, and proposes a perforating device for precision pipe fitting processing.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A perforating device for precision pipe fitting processing is designed, which includes a workbench, a support frame is arranged on one side of the top of the workbench, a perforating assembly is arranged on the support frame, a connecting block is arranged on the top of the workbench, a moving mechanism is arranged between the connecting block and the workbench, a clamping assembly is arranged on the top of the connecting block, a pipe fitting is clamped on the clamping assembly, a reciprocating screw is arranged on the support frame through a bearing, two moving blocks are placed on the top of the workbench, the two moving blocks are threadedly connected to the two threaded ends of the reciprocating screw, a frame is placed on the workbench, a curved rod is connected to the top of each moving block, the two curved rods are arranged in an inclined manner, one end of each curved rod is hingedly connected to one end of the frame, a first servo motor is arranged on one side of the workbench, and the output shaft of the first servo motor is connected to one end of the reciprocating screw.

[0007] Preferably, a wear-resistant coating is arranged on the outside of each moving block.

[0008] Preferably, the top edge of the frame is arc-shaped.

[0009] Preferably, one side of the top of the workbench is provided with a fixed seat, and one end of the reciprocating screw rod is installed on the fixed seat through a bearing.

[0010] Preferably, the moving mechanism comprises a groove opened in the middle of the top of the workbench, the bottom of the connecting block is slidably arranged in the groove, one side of the groove is provided with a rotating shaft installed through a bearing, the rotating shaft is provided with a gear, one side of the connecting block is provided with a rack, the rack is engaged with the gear, and the groove is provided with a second servo motor, and one end of the output shaft of the second servo motor is connected with the rotating shaft.

[0011] Preferably, the gear and the rack are both made of hard alloy material.

[0012] Preferably, the second servo motor is a low-speed motor.

[0013] The perforating device for precise pipe fitting machining has the beneficial effects that: the perforating device for precise pipe fitting machining moves the two moving blocks on the workbench through the rotation of the reciprocating screw rod, so that the two curved rods support the bottom of the pipe fitting during the movement, the pipe fitting is not prone to deformation during the perforation, and therefore the quality of pipe fitting perforation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The perforating device for precise pipe fitting machining has the beneficial effects that: the perforating device for precise pipe fitting machining moves the two moving blocks on the workbench through the rotation of the reciprocating screw rod, so that the two curved rods support the bottom of the pipe fitting during the movement, the pipe fitting is not prone to deformation during the perforation, and therefore the quality of pipe fitting perforation is improved. Figure 1 .

[0015] Figure 2 For Figure 1 The local enlarged view at A.

[0016] Figure 3 The perforating device for precise pipe fitting machining has the beneficial effects that: the perforating device for precise pipe fitting machining moves the two moving blocks on the workbench through the rotation of the reciprocating screw rod, so that the two curved rods support the bottom of the pipe fitting during the movement, the pipe fitting is not prone to deformation during the perforation, and therefore the quality of pipe fitting perforation is improved. Figure 2 .

[0017] Figure 4 The perforating device for precise pipe fitting machining has the beneficial effects that: the perforating device for precise pipe fitting machining moves the two moving blocks on the workbench through the rotation of the reciprocating screw rod, so that the two curved rods support the bottom of the pipe fitting during the movement, the pipe fitting is not prone to deformation during the perforation, and therefore the quality of pipe fitting perforation is improved.

[0018] In the drawing: 1, workbench; 2, support frame; 3, perforating assembly; 4, frame; 5, connecting block; 6, clamping assembly; 7, pipe fitting; 8, reciprocating screw rod; 9, moving block; 10, curved rod; 11, first servo motor; 12, fixed seat; 13, groove; 14, rotating shaft; 15, gear; 16, rack; 17, second servo motor. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0020] Embodiment 1: refer to Figures 1-4 A perforating device for precise pipe machining, comprising a workbench 1, a supporting frame 2 is arranged on one side of the top of the workbench 1, a perforating assembly 3 is arranged on the supporting frame 2, a connecting block 5 is arranged on the top of the workbench 1, a moving mechanism is arranged between the connecting block 5 and the workbench 1, a clamping assembly 6 is arranged on the top of the connecting block 5, a pipe 7 is clamped on the clamping assembly 6, a reciprocating screw 8 is arranged on the supporting frame 2 through a bearing, two moving blocks 9 are placed on the top of the workbench 1, the two moving blocks 9 are both threadedly connected to two threaded ends of the reciprocating screw 8, a frame 4 is placed on the workbench 1, the top of each of the two moving blocks 9 is connected with a curved rod 10, the two curved rods 10 are both arranged in an inclined manner, one end of each of the two curved rods 10 is hingedly connected to one end of the frame 4, a first servo motor 11 is arranged on one side of the workbench 1, and an output shaft of the first servo motor 11 is connected to one end of the reciprocating screw 8.

[0021] After the pipe 7 to be perforated is fixed through the clamping assembly 6, the first servo motor 11 is started, the output shaft of the first servo motor 11 drives the reciprocating screw 8 to rotate, the rotation of the reciprocating screw 8 drives the two moving blocks 9 to move on the workbench 1, so that the two curved rods 10 drive the frame 4 to support the bottom of the pipe 7 during the movement, so that the pipe 7 is not prone to deformation during the perforation, thereby improving the perforation quality of the pipe 7.

[0022] Embodiment 2: on the basis of embodiment 1, refer to Figures 1-4 The moving mechanism comprises a groove 13 opened in the middle of the top of the workbench 1, the connecting block 5 is slidably arranged in the groove 13, a rotating shaft 14 is installed in the groove 13 through a bearing on one side, a gear 15 is installed on the rotating shaft 14, a rack 16 is arranged on one side of the connecting block 5, the rack 16 is engaged with the gear 15, a second servo motor 17 is arranged in the groove 13, and an output shaft of the second servo motor 17 is connected to one end of the rotating shaft 14.

[0023] The second servo motor 17 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the gear 15 to rotate, and the gear 15 drives the rack 16 to move in the groove 13, so that the connecting block 5 moves on the groove 13, so that the clamping assembly 6 on the connecting block 5 and the pipe 7 in embodiment 1 can move relative to the perforating assembly 3, so that it is also convenient to perforate other positions of the pipe 7, and the pipe 7 does not need to be re-calibrated during the perforation, so that the perforation precision of other positions of the pipe 7 can also be improved.

[0024] Embodiment 3: on the basis of Embodiments 1-2, reference Figures 1-4 The two moving blocks 9 are provided with wear-resistant coatings on the outer sides, the top edge of the frame 4 is opened as a circular arc, the workbench 1 is provided with a fixed seat 12 on one side of the top, one end of the reciprocating screw 8 is installed on the fixed seat 12 through a bearing, the gear 15 and the rack 16 are both made of hard alloy material, and the second servo motor 17 is a low-speed motor.

[0025] The wear-resistant coatings on the outer sides of the two moving blocks 9 are formed by nitriding treatment, so that the mechanical properties of the two moving blocks 9 are improved, the moving blocks 9 are more wear-resistant, the wear of the two moving blocks 9 is reduced, and the service life of the device is improved.

[0026] The fixed block 12 provides additional support for the reciprocating screw 8, so that the reciprocating screw 8 is more stable during rotation, and the moving tracks of the two moving blocks 9 relative to the workbench 1 are more uniform.

[0027] The gear 15 and the rack 16 are both made of hard alloy material, and the second servo motor 17 is a low-speed motor, so that the second motor 17 rotates with the gear 15 through the rotating shaft 14, and the position where the gear 15 and the rack 16 are engaged is less likely to have a broken tooth condition after the gear 15 moves with the rack 16 in the groove 13.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A piercing device for precision tube machining, comprising a worktable (1), characterized in that, The workbench (1) top side is provided with a support frame (2), the support frame (2) is provided with a perforated assembly (3), the workbench (1) top middle is provided with a connecting block (5), the connecting block (5) and the workbench (1) are provided with a moving mechanism, the connecting block (5) top is provided with a clamping assembly (6), the support frame (2) is provided with a reciprocating screw (8) through a bearing, the workbench (1) top is placed with two moving blocks (9), two moving blocks (9) are both threaded on the two threaded ends of the reciprocating screw (8), the workbench (1) is placed with a frame (4), the top of two moving blocks (9) is all connected with a curved rod (10), two curved rods (10) are both arranged in an inclined manner, two curved rods (10) one end is respectively hinged on both ends of the frame (4), one side of the workbench (1) is provided with a first servo motor (11), the output shaft of the first servo motor (11) is connected with one end of the reciprocating screw (8).

2. The precision tubing machining piercing apparatus of claim 1, wherein, Two moving blocks (9) are provided with wear-resistant coating on the outer side.

3. The precision tube machining piercing apparatus according to claim 1, characterized by The frame (4) top edge is opened as a circular arc.

4. The precision tubing machining piercing apparatus of claim 1, wherein, The workbench (1) top side is provided with a fixed seat (12), one end of the reciprocating screw (8) is installed on the fixed seat (12) through a bearing.

5. The precision tubing machining piercing apparatus of claim 1 wherein, The moving mechanism comprises a groove (13) opened in the middle of the workbench (1) top, the connecting block (5) bottom is slidably arranged in the groove (13), a rotating shaft (14) is installed in the groove (13) through a bearing on one side, a gear (15) is installed on the rotating shaft (14), a rack (16) is arranged on one side of the connecting block (5), the rack (16) is engaged with the gear (15), a second servo motor (17) is arranged in the groove (13), the output shaft of the second servo motor (17) is connected with one end of the rotating shaft (14).

6. The piercing apparatus for precision tubing as defined in claim 5, wherein The gear (15) and the rack (16) are both made of hard alloy material.

7. The piercing apparatus for precision tubing as defined in claim 5, wherein The second servo motor (17) is a low-speed motor.