Automatic chamfering device for straight-seam welded pipe end

By designing a pushing mechanism and a detachable chamfering mechanism, the problem of long processing cycles caused by the separate control of fixing and chamfering in traditional automatic chamfering equipment for straight seam welded pipe ends is solved. This enables rapid fixing and chamfering of welded pipes, improves processing efficiency, and simplifies the process of changing the cutting head.

CN224543339UActive Publication Date: 2026-07-24JIANGSU TINGHE TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU TINGHE TECHNOLOGY CO LTD
Filing Date
2025-10-28
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Traditional automatic chamfering equipment for straight seam welded pipe ends involves independently controlled, step-by-step actions for fixing and chamfering the welded pipe, resulting in a longer processing cycle.

Method used

The device employs a pushing mechanism and a detachable chamfering mechanism. A motor drives a half-gear to slide the sliding seat, which in turn drives the fixing clamp and connecting rod, enabling rapid fixing and chamfering of the welded pipe. Combined with the locking block design of the detachable chamfering mechanism, the cutter head can be easily disassembled.

Benefits of technology

It reduces the processing cycle of a single welded pipe, improves processing efficiency, and facilitates the cleaning and replacement of the cutting head.

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Abstract

The utility model relates to the field of machining discloses a kind of straight seam welded pipe pipe end automatic chamfering equipment, including frame, the surface of the frame is provided with welded pipe conveying frame, the surface of the frame is provided with push mechanism, the push mechanism includes motor, the outside lateral wall of connecting seat is fixedly connected with fixed clamp a, the lower end of the fixed clamp a is fixedly connected with bottom plate, the outside lateral wall of connecting seat is fixedly connected with connecting rod, the outside lateral wall of connecting rod is fixedly connected with rotating seat, the surface of the frame is provided with detachable chamfering mechanism.In the utility model, push mechanism is provided, half gear is rotated circumferentially by motor rotation, the effect that welded pipe is quickly fixed is reached, meanwhile, rotating seat is driven reciprocating swing by connecting rod, rotating seat drives two groups of articulated rods to approach each other or away from each other to reach the effect of chamfering, reduce action interval, reduce the processing cycle of single welded pipe.
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Description

Technical Field

[0001] This utility model relates to the field of machining, and in particular to an automatic chamfering device for the ends of straight seam welded pipes. Background Technology

[0002] Straight seam welded pipe is a pipe made by welding strip steel into straight seams on high-frequency welding equipment. It is named for the straight line formed by the weld.

[0003] Automatic chamfering equipment is a specialized automated device that uses an automated control system to drive cutting tools or grinding wheels to cut and grind the edges of workpieces such as pipes, bars, and plates made of materials such as metal, plastic, and wood, so as to form specific angles such as 45°, 30°, arcs, or smooth transitions.

[0004] However, traditional automatic chamfering equipment for straight seam welded pipe ends often involves independently controlled step-by-step actions for fixing and chamfering the welded pipe. The pipe is clamped first and then the chamfering is started, or the pipe is released after the chamfering is completed. There are action intervals, which makes the processing cycle of a single welded pipe longer. To solve this problem, an automatic chamfering equipment for straight seam welded pipe ends is proposed. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an automatic chamfering device for straight seam welded pipe ends, which aims to improve the problem that the fixing and chamfering of welded pipes in the existing automatic chamfering devices for straight seam welded pipe ends are often independently controlled step-by-step actions, such as clamping first and then starting the chamfering, or releasing after the chamfering is completed, resulting in action intervals and a longer processing cycle for a single welded pipe.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automatic chamfering device for straight seam welded pipe ends, comprising a frame, a welded pipe conveying frame provided on the surface of the frame, and a pushing mechanism provided on the surface of the frame; The pushing mechanism includes a motor, a fixed block is fixedly connected to the surface of the motor, a half gear is fixedly connected to the rotating output shaft of the motor, a sliding seat is meshed on the surface of the half gear, a connecting seat is fixedly connected to the outer side wall of the sliding seat, a fixed clamp a is fixedly connected to the outer side wall of the connecting seat, a base plate is fixedly connected to the lower end of the fixed clamp a, a fixed clamp b is fixedly connected to the inner side wall of the frame, a connecting rod is fixedly connected to the outer side wall of the connecting seat, a rotating seat is fixedly connected to the outer side wall of the connecting rod, hinge rods are hinged to both ends of the rotating seat, a sliding block is hinged to the end of each set of hinge rods away from the rotating seat, and a detachable chamfering mechanism is provided on the surface of the frame.

[0007] As a further description of the above technical solution: The detachable chamfering mechanism includes a cutter head, a connecting block fixedly connected to the outer sidewall of the cutter head, a fixed seat contacting the outer arc surface of the connecting block, a locking block slidably connected to the inner sidewall of the fixed seat, a rotating block provided on the surface of the locking block, and the rotating block on the surface of the locking block being elastically connected to the inner sidewall of the fixed seat by a spring.

[0008] As a further description of the above technical solution: The frame has a sliding groove on its side wall, and the connecting seat is slidably connected in the sliding groove of the frame. The frame also has a sliding groove on its inner side wall, and the fixing clamp a is slidably connected in the sliding groove of the frame.

[0009] As a further description of the above technical solution: The sidewall of the fixing block is fixed to the outer sidewall of the frame.

[0010] As a further description of the above technical solution: A sliding groove is provided at the bottom inner side of the frame, and the sliding block is slidably connected in the sliding groove inside the frame.

[0011] As a further description of the above technical solution: The rotation center shaft of the half gear is rotatably connected to the outer sidewall of the frame.

[0012] As a further description of the above technical solution: The surface of the connecting block has a slot, the bottom end of the slot of the connecting block is in contact with the inner wall of the slot of the connecting block, and a sliding block is fixedly connected to the bottom end of the fixing seat.

[0013] As a further description of the above technical solution: One end of the spring is fixedly connected to the inner side wall of the fixed base, and the other end of the spring is fixedly connected to the side wall of the locking block. The inner wall of the fixed base has a cavity, and the locking block is slidably connected in the cavity of the fixed base.

[0014] This utility model has the following beneficial effects: 1. In this utility model, a pushing mechanism is provided. The rotation of the motor drives the half gear to rotate circumferentially. The rotation of the half gear synchronously drives the sliding seat to slide left and right. The sliding seat synchronously drives the connecting seat to slide, thereby achieving the effect of quickly fixing the welded pipe. At the same time, the connecting rod drives the rotating seat to swing back and forth. The rotating seat drives the two sets of hinge rods to move closer or further apart to achieve the effect of chamfering, reducing the action interval and reducing the processing cycle of a single welded pipe.

[0015] 2. In this utility model, a detachable chamfering mechanism is provided. By rotating the locking block, the locking block slides upward along the inclined surface of the protrusion on the surface of the fixed base, so that the locking block disengages from the slot of the connecting block and cancels the limiting of the connecting block. This allows for quick and convenient disassembly of the cutter head, facilitating cleaning and replacement by the staff. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an automatic chamfering device for straight seam welded pipe ends proposed in this utility model; Figure 2 This is a schematic diagram of the overall three-dimensional structure of the bottom part of an automatic chamfering device for straight seam welded pipe ends proposed in this utility model; Figure 3 This is a three-dimensional structural diagram of the connecting rod of an automatic chamfering device for straight seam welded pipe ends proposed in this utility model; Figure 4 This is a schematic diagram of the overall three-dimensional side structure of an automatic chamfering device for straight seam welded pipe ends proposed in this utility model; Figure 5 This is a partial three-dimensional side sectional view of the frame structure of an automatic chamfering device for straight seam welded pipe ends proposed in this utility model; Figure 6 This is a partial three-dimensional sectional view of the frame structure of an automatic chamfering device for straight seam welded pipe ends proposed in this utility model; Figure 7 This is a partial side view of the three-dimensional cross-sectional structure of the connecting block of the automatic chamfering device for straight seam welded pipe ends proposed in this utility model; Figure 8 This is a partial three-dimensional cross-sectional view of the fixing seat of an automatic chamfering device for straight seam welded pipe ends proposed in this utility model.

[0017] Legend: 1. Frame; 2. Welded pipe conveyor; 3. Pushing mechanism; 31. Motor; 32. Half gear; 33. Sliding seat; 34. Connecting seat; 35. Fixing block; 36. Sliding block; 37. Hinge rod; 38. Rotating seat; 39. Fixing clamp a; 310. Fixing clamp b; 311. Base plate; 312. Connecting rod; 4. Detachable chamfering mechanism; 41. Cutting head; 42. Connecting block; 43. Clamping block; 44. Fixing seat; 45. Spring. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figure 1 - Figure 3 This utility model provides an embodiment of an automatic chamfering device for straight seam welded pipe ends, comprising a frame 1, an outer frame 1, an inner support leg, and a welded pipe storage box. The inner wall of the frame 1 is provided with a slope, and the welded pipe can be transported from the slope of the inner wall of the frame 1 to the storage box after chamfering. The surface of the frame 1 is provided with a welded pipe conveying rack 2, which is the channel for the welded pipe to enter the chamfering device from the previous process, and is responsible for receiving the welded pipe to be processed and accurately transferring it to the chamfering mechanism. The surface of the frame 1 is provided with a pushing mechanism 3.

[0020] Reference Figure 3 - Figure 5 The pushing mechanism 3 includes a motor 31, with a fixing block 35 fixedly connected to the surface of the motor 31. The sidewall of the fixing block 35 is fixed to the outer sidewall of the frame 1, and the fixing block 35 fixes the motor 31 so that the motor 31 does not rotate with the output shaft. The rotation output shaft of the motor 31 is fixedly connected to a half gear 32, and the function of the motor 31 is to drive the half gear 32 to rotate circumferentially. The rotation center shaft of the half gear 32 is rotatably connected to the outer sidewall of the frame 1, and the frame 1 supports the half gear 32. A sliding seat 33 meshes with the surface of the half gear 32. A transverse groove is opened on the inner side of the sliding seat 33, and a toothed groove is provided on the surface of the transverse groove. The half gear 32 drives the sliding seat 33 to rotate by meshing with the upper and lower toothed grooves on the surface of the sliding seat 33. The sliding seat 33 is fixedly connected to the outer sidewall of the sliding seat 34. The sidewall of the frame 1 is provided with a sliding groove. The connecting seat 34 is slidably connected in the sliding groove of the frame 1. The function of the sliding groove of the frame 1 is to limit and guide the connecting seat 34, so that the connecting seat 34 can only slide in the sliding groove of the frame 1. The inner sidewall of the frame 1 is provided with a sliding groove. The fixing clamp a39 is slidably connected in the sliding groove of the frame 1. The function of the sliding groove of the frame 1 is to limit and guide the fixing clamp a39, so that the fixing clamp a39 can only slide in the sliding groove of the frame 1. The outer sidewall of the connecting seat 34 is fixedly connected to the fixing clamp a39. The front end of the fixing clamp a39 is set as a semi-circular concave arc surface, which can better fit the outer arc surface of the welded pipe for fixing.

[0021] Reference Figure 4 - Figure 6A base plate 311 is fixedly connected to the lower end of the fixing clamp a39. The base plate 311 supports the welded pipe fed into the frame 1. A fixing clamp b310 is fixedly connected to the inner side wall of the frame 1. The front end of the fixing clamp b310 is set as a semi-circular concave arc surface, which can better fit the outer arc surface of the welded pipe for fixing. The frame 1 provides fixed support for the fixing clamp b310. A connecting rod 312 is fixedly connected to the outer side wall of the connecting seat 34. The left and right sliding of the connecting seat 34 will synchronously drive the connecting rod 312 to slide left and right. A rotating seat 38 is fixedly connected to the outer side wall of the connecting rod 312. The reciprocating sliding of the connecting rod 312 will synchronously drive the rotating seat 38 to slide back and forth. The rotating seat 38 is reciprocated, and both ends of the rotating seat 38 are hinged with hinge rods 37. The reciprocating swing of the rotating seat 38 will synchronously drive the two sets of hinge rods 37 to move closer or further apart. The ends of the two sets of hinge rods 37 away from the rotating seat 38 are hinged with sliding blocks 36. The reciprocating swing of the hinge rods 37 will synchronously drive the sliding blocks 36 to move closer or further apart. A sliding groove is provided at the bottom inner side of the frame 1. The sliding block 36 is slidably connected in the sliding groove on the inner side of the frame 1. The function of the sliding groove of the frame 1 is to limit and guide the sliding block 36, so that the sliding block 36 can only slide back and forth in the sliding groove of the frame 1. A detachable chamfering mechanism 4 is provided on the surface of the frame 1.

[0022] Reference Figure 1 and Figure 7 - Figure 8The detachable chamfering mechanism 4 includes a cutter head 41. The core function of the cutter head 41 is to cut the edge of the straight seam welded pipe end through high-speed rotation or reciprocating motion, processing any burrs, sharp edges, and uneven ends into a preset chamfer shape. A connecting block 42 is fixedly connected to the outer sidewall of the cutter head 41. A slot is formed on the surface of the connecting block 42. The bottom end of the slot of the connecting block 42 contacts the inner wall of the slot of the connecting block 42. The slot of the connecting block 42 is used to limit and fix the slot of the slot, so that the connecting block 42 cannot move freely from the inner wall of the fixed seat 44. A sliding block 36 is fixedly connected to the bottom end of the fixed seat 44. When the sliding blocks 36 move closer together or further apart, they will synchronously drive the fixed seat 44 to move synchronously. The outer arc surface of the connecting block 42 contacts the fixed seat 44. The fixed seat 44 is elastically connected to the slot 43 by a spring 45. A rotating block is provided on the lower surface of the 43. The rotating block at the lower end of the 43 is rotatably connected to the 43. When the 43 moves upward, it will synchronously drive the rotating block on the surface to move upward. A spring 45 is fixedly connected to the surface of the rotating block at the bottom of the 43, which will generate an upward pulling force on the spring 45. One end of the spring 45 is fixedly connected to the inner side wall of the fixed base 44, and the other end of the spring 45 is fixedly connected to the surface of the rotating block at the bottom of the 43. The function of the spring 45 is to automatically reset the 43 after it has moved, so that the 43 is re-engaged and fixed in the slot on the surface of the connecting block 42. A cavity is provided in the inner wall of the fixed base 44. The 43 is slidably connected in the cavity of the fixed base 44. The function of the cavity in the inner wall of the fixed base 44 is to guide and limit the 43, so that the 43 can only move up and down in the cavity in the inner wall of the fixed base 44.

[0023] Working Principle: When using this equipment, the welded pipe is first fed into the equipment from the welded pipe conveyor 2. The welded pipe will roll along the inclined surface of the welded pipe conveyor 2 to the inner wall of the frame 1, and then be conveyed to the surface of the bottom plate 311. Then, the rotation of the motor 31 will synchronously drive the half gear 32 to rotate circumferentially. The circumferential rotation of the half gear 32 will reciprocate and mesh with the toothed blocks on the side wall of the sliding seat 33, achieving a reciprocating sliding effect. The reciprocating sliding of the sliding seat 33 will synchronously drive the two sets of connecting seats 34 to reciprocate and slide. The reciprocating sliding of the connecting seats 34 will synchronously drive the surface fixing clamp a39 to reciprocate and slide. The reciprocating sliding of the fixing clamp a39 will synchronously drive the bottom plate 311 at the bottom to slide synchronously, achieving the effect of moving closer to or further away from the lower fixing clamp b310. This can achieve the effect of... The welded pipe is quickly fixed and positioned, and pushed to the inside of the detachable chamfering mechanism 4. At the same time, the connecting seat 34 moves back and forth, which will synchronously drive the connecting rod 312 to slide left and right. The connecting rod 312 will push one end of the rotating seat 38 to swing back and forth. The swinging of the rotating seat 38 will synchronously drive the two sets of hinge rods 37 to move closer or further apart. The two sets of hinge rods 37 will synchronously drive the upper sliding block 36 to move closer or further apart. The two sets of sliding blocks 36 will synchronously drive the detachable chamfering mechanism 4 to move closer or further apart, achieving the effect of chamfering the welded pipe. After the chamfering is completed, the fixing clamp a39 will retract to the inner wall of the frame 1 under the influence of the motor 31. The welded pipe will slide along the inclined surface of the inner wall of the frame 1 into the storage box on the right side of the frame 1.

[0024] Meanwhile, if the cutter head 41 needs to be disassembled, cleaned, or replaced, simply rotate the locking block 43. The locking block 43 will be pushed outward along the inclined surface of the fixed seat 44. The locking block 43 will rotate around the inner side wall of the bottom rotating block, simultaneously causing the bottom end of the locking block 43 to disengage from the slot on the surface of the connecting block 42 to remove the limit. Then, pull the connecting block 42 outward. The connecting block 42 will drive the cutter head 41 to disengage from the fixed seat 44 together, completing the disassembly of the cutter head 41. After cleaning, simply insert the connecting block 42 into the sliding groove of the fixed seat 44, and then rotate the locking block 43 in the opposite direction. The locking block 43 will automatically reset under the elastic action of the spring 45, so that the locking block 43 is re-engaged with the connecting block 42 to complete the fixation.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic chamfering device for straight seam welded pipe ends, comprising a frame (1), characterized in that: The surface of the frame (1) is provided with a welded pipe conveying rack (2), and the surface of the frame (1) is provided with a pushing mechanism (3). The pushing mechanism (3) includes a motor (31), a fixing block (35) is fixedly connected to the surface of the motor (31), a half gear (32) is fixedly connected to the rotation output shaft of the motor (31), a sliding seat (33) meshes with the surface of the half gear (32), a connecting seat (34) is fixedly connected to the outer side wall of the sliding seat (33), a fixing clamp a (39) is fixedly connected to the outer side wall of the connecting seat (34), and a base plate (3) is fixedly connected to the lower end of the fixing clamp a (39). 11) A fixing clamp b (310) is fixedly connected to the inner side wall of the frame (1), a connecting rod (312) is fixedly connected to the outer side wall of the connecting seat (34), a rotating seat (38) is fixedly connected to the outer side wall of the connecting rod (312), and a hinge rod (37) is hinged to both ends of the rotating seat (38). A sliding block (36) is hinged to the end of the two sets of hinge rods (37) away from the rotating seat (38). A detachable chamfering mechanism (4) is provided on the surface of the frame (1).

2. The automatic chamfering device for straight seam welded pipe ends according to claim 1, characterized in that: The detachable chamfering mechanism (4) includes a cutter head (41), a connecting block (42) is fixedly connected to the outer sidewall of the cutter head (41), the outer arc surface of the connecting block (42) contacts a fixed seat (44), a locking block (43) is slidably connected to the inner sidewall of the fixed seat (44), a rotating block is provided on the surface of the locking block (43), and the rotating block on the surface of the locking block (43) is elastically connected to the inner sidewall of the fixed seat (44) by a spring (45).

3. The automatic chamfering device for straight seam welded pipe ends according to claim 1, characterized in that: The side wall of the frame (1) is provided with a sliding groove, the connecting seat (34) is slidably connected in the sliding groove of the frame (1), the inner side wall of the frame (1) is provided with a sliding groove, and the fixing clamp a (39) is slidably connected in the sliding groove of the frame (1).

4. The automatic chamfering device for straight seam welded pipe ends according to claim 1, characterized in that: The sidewall of the fixing block (35) is fixed to the outer sidewall of the frame (1).

5. The automatic chamfering device for straight seam welded pipe ends according to claim 1, characterized in that: The inner bottom of the frame (1) is provided with a sliding groove, and the sliding block (36) is slidably connected in the sliding groove inside the frame (1).

6. The automatic chamfering device for straight seam welded pipe ends according to claim 1, characterized in that: The rotation center shaft of the half gear (32) is rotatably connected to the outer sidewall of the frame (1).

7. The automatic chamfering device for straight seam welded pipe ends according to claim 2, characterized in that: The surface of the connecting block (42) is provided with a slot, the bottom end of the card block (43) is in contact with the inner wall of the slot of the connecting block (42), and the bottom end of the fixed seat (44) is fixedly connected with a sliding block (36).

8. The automatic chamfering device for straight seam welded pipe ends according to claim 2, characterized in that: One end of the spring (45) is fixedly connected to the inner side wall of the fixed seat (44), and the other end of the spring (45) is fixedly connected to the side wall of the locking block (43). The inner wall of the fixed seat (44) has a cavity, and the locking block (43) is slidably connected in the cavity of the fixed seat (44).