Numerical control pipe bending machine with pipe bending die convenient to replace

The servo motor drives the gear and rotates the threaded sleeve in combination with the L-shaped clamping strip and hydraulic cylinder design, which simplifies the replacement process of the pipe bending die, solves the problem of inconvenient replacement of existing pipe bending machines, and realizes fast replacement and stable fixation.

CN223440784UActive Publication Date: 2025-10-17SHANXI JIUDING MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421885580.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-10-17
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The existing pipe bending machine has complicated steps when replacing the pipe bending die, which makes the replacement inconvenient.

Method used

The servo motor drives the gear and rotates the threaded sleeve. The L-shaped clamping strip and clamping block design simplifies the disassembly and installation process of the tube bending die. The hydraulic cylinder and tube bending wheel are combined to achieve stable fixation.

Benefits of technology

The rapid replacement and stable fixation of the pipe bending die are realized, which improves the replacement efficiency and the practicability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a numerical control pipe bending machine convenient to replace a pipe bending die, and relates to the technical field of pipe bending machines, the numerical control pipe bending machine comprises a working table, a power assembly is fixedly installed on the left side of the upper surface of the working table, a controller is fixedly installed on the front face of the power assembly, and the pipe bending die is installed on the upper surface of the working table. According to the numerical control pipe bending machine convenient to replace the pipe bending die, when the pipe bending die needs to be replaced, a servo motor is started to drive a gear and a rotating threaded sleeve to rotate, one end of an L-shaped clamping strip is moved out of a clamping hole, a clamping block is conveniently moved out of an inner cavity of a clamping groove, and a threaded block, a connecting rod and a limiting pressing rod are driven to move upwards; after the limiting pressing rod moves out of the inner cavity of the pressing groove, the limiting pressing rod loses limiting force and rotates along with the rotating threaded sleeve, the limiting pressing rod rotates to the position above the through groove and is parallel to the through groove, the pipe bending die can be replaced conveniently, convenience and rapidness are achieved, and the replacement time is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipe bender technical field, specifically a numerical control pipe bender convenient to replace pipe bending mould. BACKGROUND

[0002] Pipe bender refers to the machine for bending pipe and also can be used as a jack, and is roughly divided into numerical control pipe bender, hydraulic pipe bender and the like, and is applied to pipeline laying and repairing in power construction, public railway construction, bridge and ship.

[0003] When pipe fittings need to be bent into different radii, the pipe bending mould needs to be replaced to adjust the bending radius, and the mould seat and the base of the existing pipe bender are mostly fixed by bolts, so that when replacing, the bolt wrench needs to be found and used to disassemble, which is complicated and causes inconvenience in replacing the pipe bending mould, therefore, the utility model provides a numerical control pipe bender convenient to replace pipe bending mould to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a numerical control pipe bender convenient to replace pipe bending mould, which solves the above problems.

[0005] To achieve the above purposes, the utility model is implemented by the following technical scheme: a numerical control pipe bender convenient to replace pipe bending mould, comprising a workbench, a power assembly is fixedly installed on the left side of the upper surface of the workbench, a controller is fixedly installed on the front surface of the power assembly, a pipe bending mould is installed on the upper surface of the workbench, the workbench comprises a workbench table, an inner groove is formed in the inner cavity of the workbench table, a servo motor is fixedly installed at the bottom end of the inner cavity of the inner groove, a gear is fixedly installed at the upper end of the servo motor, a rotating threaded sleeve is fixedly installed at the upper end of the gear, a threaded block is screw-connected in the inner cavity of the rotating threaded sleeve in a driving mode, a connecting rod is fixedly installed at the upper end of the threaded block, a limiting pressure rod is fixedly installed at the upper end of the connecting rod, a sliding groove is formed in the side wall of the inner groove, a clamping groove is formed in the upper surface of the workbench table, a rack is engagedly connected to the side wall of the gear, an L-shaped clamping strip is fixedly installed at one end of the rack, the surface of the L-shaped clamping strip is slidably connected in the inner cavity of the sliding groove, the pipe bending mould comprises a mould main body, a mould seat is fixedly installed on the lower surface of the mould main body, a clamping block is fixedly installed on the lower surface of the mould seat, the surface of the clamping block is clamped in the inner cavity of the clamping groove, and a pressing groove is formed in the upper surface of the mould main body.

[0006] The power assembly comprises a mounting seat, a hydraulic cylinder is fixedly installed on the side wall of the mounting seat, an installation frame is fixedly installed at the output end of the hydraulic cylinder, and a pipe bending wheel is rotatably installed in the inner cavity of the installation frame.

[0007] Preferably, a clamping hole is formed in the surface of the clamping block.

[0008] Preferably, one end of the L-shaped clamping strip is clamped in the inner cavity of the clamping hole.

[0009] Preferably, a through groove is formed in the center of the mold body.

[0010] Preferably, a clamping fixing block is fixedly installed on one side of the upper surface of the workbench.

[0011] Advantages

[0012] The utility model provides a numerical control pipe bender convenient to replace pipe bending mould, has the following advantages compared with prior art:

[0013] 1. The numerical control pipe bender convenient to replace pipe bending mould, when needing to replace the pipe bending mould, the servo motor is started to drive the gear and the rotating threaded sleeve to rotate, the one end of the L-shaped clamping strip is removed from the inside of the clamping hole, the clamping block is conveniently removed from the inner cavity of the clamping groove, the threaded block, the connecting rod and the limit press rod are driven to move upwards, when the limit press rod is removed from the inner cavity of the pressing groove, the limit press rod loses the limiting force and rotates with the rotating threaded sleeve, the limit press rod rotates to the upper side of the through groove and is parallel with the through groove, the pipe bending mould is conveniently replaced, and the replacement is convenient, fast and time-saving.

[0014] 2. The numerical control pipe bender convenient to replace pipe bending mould, when the equipment is working, the limit press rod is pressed in the inside of the pressing groove to fix the pipe bending mould, the clamping block is clamped in the inside of the clamping groove, and the L-shaped clamping strip is clamped in the inside of the clamping hole to fix the pipe bending mould, the fixing effect is improved, the stability of the pipe bending mould installation is improved, and the practicality of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is the inner cavity overhead structure schematic diagram of the utility model;

[0018] Figure 4 It is the sectional structure schematic diagram of the utility model A place detail.

[0019] In the figure: 1, worktable; 2, pipe bending die; 3, power assembly; 4, controller; 5, clamping fixing block; 8, L-shaped clamping strip; 9, rack; 11, workbench; 12, inner groove; 13, servo motor; 14, gear; 15, rotating threaded sleeve; 16, threaded block; 17, connecting rod; 18, limiting pressure rod; 19, clamping groove; 20, sliding groove; 21, die main body; 22, die holder; 23, clamping block; 24, clamping hole; 25, through groove; 26, pressing groove; 31, mounting seat; 32, hydraulic cylinder; 33, mounting frame; 34, pipe bending wheel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Embodiment one:

[0022] Please refer to Figures 1-4 A numerical control pipe bender with pipe bending die convenient to replace, including worktable 1, the upper surface left side of worktable 1 is fixedly installed with power assembly 3, the front surface of power assembly 3 is fixedly installed with controller 4, the upper surface of worktable 1 is installed with pipe bending die 2, worktable 1 includes workbench 11, the inner cavity of workbench 11 is provided with inner groove 12, the inner cavity bottom end of inner groove 12 is fixedly installed with servo motor 13, the output end of servo motor 13 is fixedly installed with gear 14, the upper end of gear 14 is fixedly installed with rotating threaded sleeve 15, the inner cavity of rotating threaded sleeve 15 is connected with threaded block 16 in thread, the upper end of threaded block 16 is fixedly installed with connecting rod 17, the upper end of connecting rod 17 is fixedly installed with limiting pressure rod 18, the side wall of inner groove 12 is provided with sliding groove 20, the upper surface of workbench 11 is provided with clamping groove 19, the side wall of gear 14 is engagedly connected with rack 9, one end of rack 9 is fixedly installed with L-shaped clamping strip 8, the surface of L-shaped clamping strip 8 is slidably connected in the inner cavity of sliding groove 20, pipe bending die 2 includes die main body 21, the lower surface of die main body 21 is fixedly installed with die holder 22, the lower surface of die holder 22 is fixedly installed with clamping block 23, the surface of clamping block 23 is clamped in the inner cavity of clamping groove 19, the upper surface of die main body 21 is provided with pressing groove 26, the center of die main body 21 is provided with through groove 25.

[0023] In this embodiment, when the bending pipe mold 2 needs to be replaced, the servo motor 13 is started to drive the gear 14 and the rotating sleeve 15 to rotate, the gear 14 rotates to drive the rack 9 to move, thereby driving the L-shaped clamping strip 8 to move, moving one end of the L-shaped clamping strip 8 out of the inside of the clamping hole 24, facilitating the clamping block 23 to move out of the inner cavity of the clamping groove 19, rotating the threaded sleeve 15 to drive the threaded block 16 to move upwards, thereby driving the connecting rod 17 and the limiting pressure rod 18 to move upwards, when the limiting pressure rod 18 moves out of the inner cavity of the pressing groove 26, the limiting pressure rod 18 loses the limiting force, and the limiting pressure rod 18, the connecting rod 17 and the threaded block 16 rotate with the rotating threaded sleeve 15, the limiting pressure rod 18 rotates above the through groove 25 and is parallel to the through groove 25, facilitating the limiting pressure rod 18 to pass through the through groove 25 when the bending pipe mold 2 is replaced, facilitating the replacement of the bending pipe mold 2, convenient and fast, saving the replacement time, the sliding groove 20 is provided to facilitate the movement of the L-shaped clamping strip 8 and facilitate the support of the L-shaped clamping strip 8, and the clamping groove 19 is provided to facilitate the clamping of the clamping block 23.

[0024] Embodiment two:

[0025] Please refer to Figures 1-4 , the embodiment provides a technical scheme based on the embodiment one: the power assembly 3 comprises a mounting seat 31, a hydraulic cylinder 32 is fixedly installed on the side wall of the mounting seat 31, an installation frame 33 is fixedly installed on the output end of the hydraulic cylinder 32, and a bending pipe wheel 34 is rotatably installed in the inner cavity of the installation frame 33, a clamping hole 24 is formed in the surface of the clamping block 23, one end of the L-shaped clamping strip 8 is clamped in the inner cavity of the clamping hole 24, and a clamping fixing block 5 is fixedly installed on one side of the upper surface of the workbench 1.

[0026] In this embodiment, when the device is working, the limiting pressure rod 18 is pressed in the inside of the pressing groove 26 to fix the bending pipe mold 2, the clamping block 23 is clamped in the inside of the clamping groove 19 and the L-shaped clamping strip 8 is clamped in the inside of the clamping hole 24 to fix the bending pipe mold 2, thereby improving the fixing effect and the stability of the installation of the bending pipe mold 2, the one end of the pipe is fixed through the setting of the clamping fixing block 5, the other end of the pipe is pushed by the installation frame 33 and the bending pipe wheel 34 driven by the hydraulic cylinder 32, so that the pipe is bent around the bending pipe mold 2, and the bending work is realized.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

[0028] When the bending pipe die 2 needs to be replaced during work, the servo motor 13 is started to drive the gear 14 and the rotating threaded sleeve 15 to rotate, the gear 14 drives the rack 9 to move and then drives the L-shaped clamping strip 8 to move, one end of the L-shaped clamping strip 8 is moved out of the inside of the clamping hole 24, the clamping block 23 is conveniently moved out of the inner cavity of the clamping groove 19, the threaded block 16 is driven to move upward by rotating the threaded sleeve 15, thereby driving the connecting rod 17 and the limiting pressure rod 18 to move upward, when the limiting pressure rod 18 is moved out of the inner cavity of the pressing groove 26, the limiting pressure rod 18 loses the limiting force, the limiting pressure rod 18, the connecting rod 17 and the threaded block 16 rotate with the rotating threaded sleeve 15, the limiting pressure rod 18 rotates to the upper side of the through groove 25 and is parallel to the through groove 25, which is convenient for the limiting pressure rod 18 to pass through the through groove 25 when the bending pipe die 2 is replaced, and the bending pipe die 2 is conveniently replaced, the bending pipe die 2 is fixed by the limiting pressure rod 18 being pressed in the inside of the pressing groove 26, and the bending pipe die 2 is fixed by the clamping block 23 being clamped in the inside of the clamping groove 19 and the L-shaped clamping strip 8 being clamped in the inside of the clamping hole 24, so that the fixing effect is improved and the stability of the installation of the bending pipe die 2 is improved.

[0029] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A CNC pipe bender that is convenient for replacing a pipe bending die, comprising a work table (1), characterized in that: A power assembly (3) is fixedly mounted on the left side of the upper surface of the work table (1), a controller (4) is fixedly mounted on the front of the power assembly (3), and a pipe bending die (2) is mounted on the upper surface of the work table (1); The workbench (1) comprises a workbench (11), an inner cavity of the workbench (11) is provided with an inner groove (12), a servo motor (13) is fixedly mounted on the bottom end of the inner cavity of the inner groove (12), a gear (14) is fixedly mounted on the output end of the servo motor (13), a rotating threaded sleeve (15) is fixedly mounted on the upper end of the gear (14), and the inner cavity of the rotating threaded sleeve (15) is threadedly connected to a threaded block (16), and the threaded block (16) is fixedly mounted on the upper end of the gear (14). A connecting rod (17) is fixedly installed on the upper end, a limiting pressure rod (18) is fixedly installed on the upper end of the connecting rod (17), a sliding groove (20) is provided on the side wall of the inner groove (12), a clamping groove (19) is provided on the upper surface of the workbench (11), a rack (9) is meshedly connected to the side wall of the gear (14), an L-shaped clamping strip (8) is fixedly installed on one end of the rack (9), and the surface of the L-shaped clamping strip (8) is slidably connected to the inner cavity of the sliding groove (20); The pipe bending die (2) comprises a die body (21), a die base (22) is fixedly mounted on the lower surface of the die body (21), a clamping block (23) is fixedly mounted on the lower surface of the die base (22), the surface of the clamping block (23) is clamped in the inner cavity of the clamping groove (19), and a pressing groove (26) is provided on the upper surface of the die body (21).

2. A CNC pipe bender that is easy to replace the pipe bending die according to claim 1, characterized in that: The power assembly (3) comprises a mounting seat (31), a hydraulic cylinder (32) is fixedly mounted on the side wall of the mounting seat (31), a mounting frame (33) is fixedly mounted on the output end of the hydraulic cylinder (32), and a pipe bending wheel (34) is rotatably mounted in the inner cavity of the mounting frame (33).

3. The CNC pipe bender that is easy to replace the pipe bending die according to claim 1, characterized in that: A clamping hole (24) is provided on the surface of the clamping block (23).

4. The CNC pipe bender that is easy to replace the pipe bending die according to claim 1, characterized in that: One end of the L-shaped clamping strip (8) is clamped in the inner cavity of the clamping hole (24).

5. The CNC pipe bender that is easy to replace the pipe bending die according to claim 1, characterized in that: A through groove (25) is provided in the center of the mold body (21).

6. The CNC pipe bender that is easy to replace the pipe bending die according to claim 1, characterized in that: A clamping and fixing block (5) is fixedly mounted on one side of the upper surface of the work table (1).