Metal circular tube shaping tool

Abstract

The utility model provides a metal circular tube shaping tool for automatic full tube shaping, which aims at the requirement that a finished workpiece needs to maintain the state of a circular tube while the circular tube is processed. The metal circular tube shaping tool comprises a tail stop dog, a front end stop dog and a shaping mechanism which are arranged on a frame, the front-end stop block is divided into a lower semicircular seat and an upper cover plate, and the upper cover plate is in an arch bridge shape and is detachably connected with the lower semicircular seat; the lower semicircular seat and the upper cover plate form a circular hole; the tail stop block comprises an outer side vertical stop block and a positioning seat block, and a circular through hole is formed in the positioning seat block; the shaping mechanism comprises an air cylinder arranged above the frame through a support, a shaping push head is arranged at the telescopic end of the air cylinder, and the telescopic end of the air cylinder points to the round hole of the front end check block. And the front end of the shaping push head is provided with a coaxial circular truncated cone.

Description

Metal round tube shaping fixture Technical Field

[0001] This utility model relates to the field of metal tube processing, specifically to a metal round tube shaping fixture. Background Technology

[0002] As shown in workpiece a in Figure 1, this workpiece involves machining support blocks onto a circular tube. During machining, the diameter of the main circular tube often changes due to the machining of the support blocks, while maintaining the circular tube's diameter is crucial for this type of workpiece. Therefore, a reshaping process is required after the support blocks are machined. To avoid the workload associated with visual inspection and localized reshaping, an automated full-tube reshaping method is relatively convenient. Summary of the Invention

[0003] This utility model is designed to address the requirement of maintaining the circular tube state while processing on a circular tube and producing a finished workpiece. It is a metal circular tube forming fixture for automated full tube forming.

[0004] A metal tube forming fixture includes: a tail stop, a front stop, and a forming mechanism set on a frame;

[0005] The front stop is divided into a lower semicircular seat and an upper cover plate. The upper cover plate is arched and detachably connected to the lower semicircular seat. The lower semicircular seat and the upper cover plate form a circular hole.

[0006] The tail stop includes an outer vertical stop and a positioning block, wherein the positioning block is provided with a circular through hole;

[0007] The shaping mechanism includes: a cylinder mounted on the frame via a bracket, a shaping pusher mounted on the telescopic end of the cylinder, and the telescopic end of the cylinder pointing towards the circular hole of the front stop.

[0008] The front end of the shaping pusher is equipped with a coaxial frustum shape.

[0009] The metal tube shaping fixture of this utility model is used as follows: First, open the upper cover plate, insert the workpiece into the positioning seat block of the tail stop, and place it on the lower semi-circular seat. Then, fix the upper cover plate. The diameter of the shaping pusher is selected to be the same as that of the metal tube. When shaping begins, the shaping pusher enters the metal tube with the push of the cylinder. Since the shaping pusher is a complete circle, the area pushed by the shaping pusher can be considered as the shaping completed. When it reaches the tail stop, the cylinder begins to retract until it returns to its original position, and the workpiece can then be removed from the metal tube shaping fixture of this utility model.

[0010] Preferably, the circular hole of the front stop includes a stepped inner ring, forming two circular holes of different diameters, wherein the larger diameter circular hole is adjacent to the tail stop, and the smaller diameter circular hole is adjacent to the shaping mechanism.

[0011] A third through hole is provided on the outer vertical stop of the tail stop block. The diameter of the third through hole is smaller than the circular through hole on the positioning seat block.

[0012] The diameter of the third through hole matches the maximum diameter of the shaping pusher.

[0013] The large-diameter circular hole matches the outer diameter of the metal tube, while the small-diameter circular hole matches the inner diameter. Therefore, the cooperation between the tail stop and the positioning block allows the shaping pusher to directly penetrate the tail stop while simultaneously limiting the movement of the metal tube. Similarly, if the shaping pusher pulls, the front stop can also position the metal tube.

[0014] The advantage of this preferred design is that the shaping pusher can complete the shaping in just one stroke, and then the shaping pusher can be removed, the cylinder can be quickly reset, and the shaping pusher can be set back to its original position.

[0015] Preferably, a guide rod hole is provided on the outer vertical stop of the tail stop; a hollow guide rod sleeve is fixed coaxially with the guide rod hole; a traction rod is provided inside the hollow guide rod sleeve;

[0016] A traction rod fixing hole is provided in the center of the frustum-shaped part of the shaping pusher, and the shaping pusher and the traction rod can be detachably connected.

[0017] Preferably, the rear end of the shaping pusher is provided with a coaxial frustum shape;

[0018] The thickness of the frustum at the front end of the shaping pusher is 1 / 4 of the thickness of the main body of the pusher, and the thickness of the frustum at the rear end is 1 / 2 of the thickness of the frustum at the front end.

[0019] The advantage of this preferred design is that the traction rod ensures that the shaping effect can still be guaranteed after long-term use of the device, avoiding the deformation of the cylinder extension and retraction end that may occur due to long-term and repeated use, which could lead to unexpected shaping results.

[0020] The advantages of this utility model are: the round tube workpiece is easy to install, the shaping process is automatic and requires no manual labor, and the shaping result is guaranteed to be correct. Attached Figure Description

[0021] Figure 1. Assembly diagram of this utility model;

[0022] Figure 2. Assembly diagram of the traction rod in Embodiment 2 of this utility model;

[0023] In the figure: a) workpiece, 1) outer vertical stop block, 2) positioning seat block, 3) lower semi-circular seat, 4) upper cover plate, 5) shaping push head, 6) cylinder, 7) hollow sleeve of guide rod, 8) traction rod. Detailed Implementation

[0024] The technical solution of this utility model will be further described in detail below through specific embodiments and with reference to the accompanying drawings. Embodiments

[0025] As shown in Figure 1, the metal tube shaping fixture includes: a tail stop, a front stop, and a shaping mechanism provided on the frame.

[0026] The front stop is divided into a lower semicircular seat 3 and an upper cover plate 4. The upper cover plate 4 is arched and detachably connected to the lower semicircular seat. The lower semicircular seat and the upper cover plate form a circular hole.

[0027] The tail stop includes an outer vertical stop 1 and a positioning block 2, wherein the positioning block is provided with a circular through hole;

[0028] The shaping mechanism includes: a cylinder 6 mounted on the frame via a bracket, a shaping pusher 5 mounted on the telescopic end of the cylinder, and the telescopic end of the cylinder 6 pointing towards the circular hole of the front stop.

[0029] The front end of the shaping pusher is provided with a coaxial frustum shape; the rear end of the shaping pusher is provided with a coaxial frustum shape.

[0030] The thickness of the frustum at the front end of the shaping pusher is 1 / 4 of the thickness of the main body of the pusher, and the thickness of the frustum at the rear end is 1 / 2 of the thickness of the frustum at the front end.

[0031] The circular hole of the front stop includes a stepped inner ring, forming two circular holes of different diameters. The larger diameter circular hole is adjacent to the rear stop, and the smaller diameter circular hole is adjacent to the shaping mechanism. Example

[0032] A metal tube forming fixture includes: a tail stop, a front stop, and a forming mechanism set on a frame;

[0033] The front stop is divided into a lower semicircular seat 3 and an upper cover plate 4. The upper cover plate 4 is arched and detachably connected to the lower semicircular seat. The lower semicircular seat and the upper cover plate form a circular hole.

[0034] The tail stop includes an outer vertical stop 1 and a positioning block 2, wherein the positioning block is provided with a circular through hole;

[0035] The shaping mechanism includes: a cylinder 6 mounted on the frame via a bracket, a shaping pusher 5 mounted on the telescopic end of the cylinder, and the telescopic end of the cylinder 6 pointing towards the circular hole of the front stop.

[0036] The front end of the shaping pusher is provided with a coaxial frustum shape; the thickness of the frustum shape at the front end of the shaping pusher is 1 / 4 of the thickness of the main body of the pusher.

[0037] The circular hole of the front stop includes a stepped inner ring, forming two circular holes of different diameters. The larger diameter circular hole is adjacent to the tail stop, and the smaller diameter circular hole is adjacent to the shaping mechanism.

[0038] A third through hole is provided on the outer vertical stop of the tail stop block. The diameter of the third through hole is smaller than the circular through hole on the positioning seat block.

[0039] The diameter of the third through hole matches the maximum diameter of the shaping pusher. Example

[0040] The metal tube forming fixture shown in Figure 2 includes: a tail stop, a front stop, and a forming mechanism set on a frame;

[0041] The front stop is divided into a lower semicircular seat 3 and an upper cover plate 4. The upper cover plate 4 is arched and detachably connected to the lower semicircular seat. The lower semicircular seat and the upper cover plate form a circular hole.

[0042] The tail stop includes an outer vertical stop 1 and a positioning block 2, wherein the positioning block is provided with a circular through hole;

[0043] The shaping mechanism includes: a cylinder 6 mounted on the frame via a bracket, a shaping pusher 5 mounted on the telescopic end of the cylinder, and the telescopic end of the cylinder 6 pointing towards the circular hole of the front stop.

[0044] The front end of the shaping pusher is provided with a coaxial frustum shape; the rear end of the shaping pusher is provided with a coaxial frustum shape.

[0045] The thickness of the frustum at the front end of the shaping pusher is 1 / 4 of the thickness of the main body of the pusher, and the thickness of the frustum at the rear end is 1 / 2 of the thickness of the frustum at the front end.

[0046] The circular hole of the front stop includes a stepped inner ring, forming two circular holes of different diameters. The larger diameter circular hole is adjacent to the tail stop, and the smaller diameter circular hole is adjacent to the shaping mechanism.

[0047] A guide rod hole is provided on the outer vertical block of the tail stop; a hollow guide rod sleeve 7 is fixed coaxially with the guide rod hole; a traction rod 8 is provided inside the hollow guide rod sleeve;

[0048] A traction rod fixing hole is provided in the center of the frustum-shaped part of the shaping pusher, and the shaping pusher and the traction rod can be detachably connected.

[0049] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A metal round tube shaping fixture, characterized in that, include: The frame is equipped with a tail stop, a front stop, and a shaping mechanism. The front stop consists of a lower semicircular seat and an upper cover plate. The upper cover plate is arched and detachably connected to the lower semicircular seat. The lower semicircular seat and the upper cover plate form a circular hole. The tail stop includes an outer vertical stop and a positioning seat block, wherein the positioning seat block is provided with a circular through hole. The shaping mechanism includes a cylinder mounted on the frame via a bracket. A shaping push head is provided on the telescopic end of the cylinder, and the telescopic end of the cylinder points to the circular hole of the front stop. The front end of the shaping pusher is equipped with a coaxial frustum shape.

2. The metal round tube shaping fixture according to claim 1, characterized in that, The circular hole of the front stop includes a stepped inner ring, forming two circular holes of different diameters. The larger diameter circular hole is adjacent to the tail stop, and the smaller diameter circular hole is adjacent to the shaping mechanism.

3. The metal round tube shaping fixture according to claim 2, characterized in that, A third through hole is provided on the outer vertical stop of the tail stop. The diameter of the third through hole is smaller than the circular through hole on the positioning seat block. The diameter of the third through hole matches the maximum diameter of the shaping push head.

4. The metal round tube shaping fixture according to claim 1, characterized in that, A guide rod hole is provided on the outer vertical stop of the tail stop; a hollow guide rod sleeve is fixed coaxially with the guide rod hole; a traction rod is installed inside the hollow guide rod sleeve; A traction rod fixing hole is provided in the center of the frustum-shaped part of the shaping pusher, and the shaping pusher and the traction rod can be detachably connected.

5. The metal round tube shaping fixture according to claim 1 or 3, characterized in that, The rear end of the shaping pusher is equipped with a coaxial frustum shape; The thickness of the frustum at the front end of the shaping pusher is 1 / 4 of the thickness of the main body of the pusher, and the thickness of the frustum at the rear end is 1 / 2 of the thickness of the frustum at the front end.

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