A large-depth surface embossing device capable of reducing the deformation of aluminum alloy pipes

Abstract

This utility model relates to the field of embossing and marking technology, specifically disclosing a deep surface embossing device that can reduce the deformation of aluminum alloy tubes. The device includes a cylinder, a push rod, a shaft, a fixed bracket, pointed teeth, rollers, and toothed rollers. The fixed bracket secures the entire device to the ground. The cylinder is mounted on the fixed bracket. The push rod is connected to the cylinder and transmits the pressure applied by the cylinder. The rollers and toothed rollers are rotatably mounted on the fixed bracket via shafts and are arranged opposite each other, allowing the aluminum alloy tube to pass through. Multiple pointed teeth are distributed in a ring around the outer circumference of the toothed rollers, with pointed ends. The cylinder drives the toothed rollers towards the aluminum alloy tube via the push rod, causing the pointed ends to form embossing on the surface of the aluminum alloy tube. This utility model provides a deep surface embossing device that can increase the embossing depth and help reduce the deformation of the aluminum alloy tube, providing products with excellent dimensions for subsequent drawing.

Description

Technical Field

[0001] This utility model relates to the field of embossing technology, and more specifically, to a deep surface embossing device that can reduce the deformation of aluminum alloy tubes. Background Technology

[0002] For aluminum alloy tubes, the existing extrusion followed by drawing process has the advantage of connecting discontinuous aluminum alloy tubes through forward extrusion of the tube blank, followed by efficient drawing of the tube blank into a high-precision finished aluminum alloy tube through inverted disc drawing. The connection between aluminum alloy tubes is called the joint, which is the place where the extruded bar meets the end face of the bar. Joints are generally rejected due to poor cleanliness of the bar material and poor welding. Currently, rejection methods generally involve inkjet marking or embossing at the joint of the tube blank. However, for finished tubes that require annealing, inkjet marking will burn out at high temperatures, so embossing is the only option. Generally, embossing uses toothed rollers under the action of a cylinder to apply pressure to the aluminum alloy tube, pressing the teeth into the surface of the tube blank to form a pit as a mark. After drawing, the pit still exists and can be automatically rejected by the equipment through flaw detection. However, current methods have problems such as shallow embossing depth, the pit being flattened after drawing, and the tube blank being prone to deformation (deformation makes it impossible to insert the mandrel during subsequent drawing). Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a deep surface embossing device that can reduce the deformation of aluminum alloy tubes, thereby solving the problems of shallow embossing depth, flattening of pits after drawing, and easy deformation of the tube blank (making it impossible to insert the core head after subsequent drawing) in existing technologies.

[0004] As a first aspect of this utility model, a deep surface embossing device for reducing the deformation of aluminum alloy tubes is provided. The deep surface embossing device for reducing the deformation of aluminum alloy tubes includes a cylinder, a push rod, a shaft, a fixed bracket, sharp teeth, rollers and toothed rollers. The fixed bracket is used to fix the entire device to the ground. The cylinder is mounted on the fixed bracket; the push rod is connected to the cylinder and is used to transmit the pressure applied by the cylinder; The rollers and toothed rollers are rotatably mounted on the fixed bracket via shafts and are arranged opposite to each other, allowing the aluminum alloy tube to pass through them; The toothed roller has multiple sharp teeth distributed in a ring around its outer periphery, and the two ends of the sharp teeth are pointed. The cylinder drives the toothed roller to move toward the aluminum alloy tube via the push rod, so that the two ends of the sharp teeth form embossing on the surface of the aluminum alloy tube.

[0005] Furthermore, the number of the pointed teeth is 24, which are evenly arranged in a ring on the outer circumferential surface of the toothed roller.

[0006] Furthermore, the rollers are arranged in parallel with the toothed rollers, and the distance between them is adjustable to accommodate aluminum alloy tubes of different outer diameters.

[0007] Furthermore, the pressure of the cylinder is adjustable to control the depth of the embossing.

[0008] Furthermore, the embossing consists of circular recesses arranged continuously along one side of the aluminum alloy tube, used to mark the joint positions of the aluminum alloy tube.

[0009] The surface embossing device with a large depth that can reduce the deformation of aluminum alloy tubes provided by this utility model has the following advantages: the two ends of the sharp teeth contact the surface of the aluminum alloy tube as embossing points, pressing into the surface of the aluminum alloy tube to form a triangular point contact structure. Under the same embossing pressure, by reducing the contact area of ​​the sharp teeth, the pressure is increased and the embossing depth is increased. At the same time, the triangular point contact structure also helps to reduce the deformation of the aluminum alloy tube, providing products with excellent dimensions for subsequent drawing. Attached Figure Description

[0010] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof.

[0011] Figure 1 The front view of the deep surface embossing device for reducing the deformation of aluminum alloy tubes provided by this utility model.

[0012] Figure 2 The side view of the deep surface embossing device for reducing the deformation of aluminum alloy tubes provided by this utility model. Detailed Implementation

[0013] To further illustrate the technical means and effects adopted by this utility model to achieve its intended purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation, structure, features, and effects of the deep surface embossing device for reducing deformation of aluminum alloy tubes proposed according to this utility model. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0014] This embodiment provides a deep surface embossing device that can reduce the deformation of aluminum alloy tubes, such as... Figure 1-2As shown, the deep surface embossing device that can reduce the deformation of aluminum alloy tubes includes a cylinder 1, a push rod 2, a shaft 3, a fixed bracket 5, sharp teeth 6, a roller 7 and a toothed roller 8. The fixed bracket 5 is used to fix the entire device to the ground. The cylinder 1 is mounted on the fixed bracket 5; the push rod 2 is connected to the cylinder 1 and is used to transmit the pressure applied by the cylinder 1. The roller 7 and the toothed roller 8 are rotatably mounted on the fixed bracket 5 via the shaft 3, and are arranged opposite to each other, so that the aluminum alloy tube 4 can pass through them; The toothed roller 8 has a plurality of sharp teeth 6 distributed in a ring around its outer periphery, and the two ends of the sharp teeth 6 are pointed. The cylinder 1 drives the toothed roller 8 to move toward the aluminum alloy tube 4 via the push rod 2, so that the two ends of the sharp teeth 6 form embossing 9 on the surface of the aluminum alloy tube 4.

[0015] Preferably, the number of the pointed teeth 6 is 24, which are evenly arranged in a ring on the outer circumferential surface of the toothed roller 8.

[0016] Preferably, the roller 7 and the toothed roller 8 are arranged in parallel, and the distance between them is adjustable to accommodate aluminum alloy tubes 4 with different outer diameters.

[0017] Preferably, the pressure of the cylinder 1 is adjustable to control the depth of the embossing 9.

[0018] Preferably, the embossing 9 consists of circular recesses arranged continuously along one side of the aluminum alloy tube 4, used to mark the joint position of the aluminum alloy tube 4.

[0019] The deep surface embossing device for reducing deformation of aluminum alloy tubes provided by this utility model works as follows: In the non-joint section of the aluminum alloy tube 4, the cylinder 1 is in a depressurized state, the push rod 2 does not apply pressure, and the roller 7 and toothed roller 8 only play a guiding role. The extruded aluminum alloy tube 4 passes through the roller 7 and toothed roller 8. When it reaches the joint part of the aluminum alloy tube 4, the cylinder 1 is activated. The cylinder 1 pushes the push rod 2 to press against the roller 7 and toothed roller 8, causing the roller 7 and toothed roller 8 to move towards the aluminum alloy tube 4. By controlling the air pressure, the depth of the sharp teeth 6 pressed into the surface of the aluminum alloy tube 4 is controlled. As the aluminum alloy tube 4 continues to advance between the roller 7 and toothed roller 8, it simultaneously drives the roller 7 and toothed roller 8 to rotate around their respective axes 3. As the toothed roller 8 rotates, the multiple sharp teeth 6 distributed in a ring on its outer periphery are pressed into the surface of the aluminum alloy tube 4 in sequence, forming a series of continuous embossing 9 on the surface of the aluminum alloy tube 4 to achieve the marking effect.

[0020] This utility model provides a surface embossing device with a large depth that can reduce the deformation of aluminum alloy tubes. It is suitable for production processes that require a certain surface embossing depth for aluminum alloy tubes (embossing for marking) and cannot cause large deformation of the aluminum alloy tubes. The original two-sided embossing of the aluminum alloy tube 4 is changed to single-sided embossing. The roller 7 at one end is only used for guidance and does not participate in embossing. The toothed roller 8 at the other end has 24 sharp teeth arranged in a ring. The two ends of the sharp teeth contact the surface of the aluminum alloy tube as embossing points, pressing into the surface of the aluminum alloy tube to form a triangular point contact structure. Under the same embossing pressure, by reducing the contact area of ​​the sharp teeth, the pressure is increased and the embossing depth is increased. At the same time, the triangular structure also helps to reduce the deformation of the aluminum alloy tube, providing products with excellent dimensions for subsequent drawing.

[0021] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A deep surface embossing device for reducing deformation of aluminum alloy tubes, characterized in that, The deep surface embossing device that can reduce the deformation of aluminum alloy tubes includes a cylinder (1), a push rod (2), a shaft (3), a fixed bracket (5), a sharp tooth (6), a roller (7) and a toothed roller (8), wherein the fixed bracket (5) is used to fix the entire device to the ground; The cylinder (1) is mounted on the fixed bracket (5); the push rod (2) is connected to the cylinder (1) and is used to transmit the pressure applied by the cylinder (1); The roller (7) and the toothed roller (8) are rotatably mounted on the fixed bracket (5) via shaft (3) and are arranged opposite to each other, so that the aluminum alloy tube (4) passes through it; The toothed roller (8) has a plurality of sharp teeth (6) distributed in a ring around its outer periphery, and the two ends of the sharp teeth (6) are pointed. The cylinder (1) drives the toothed roller (8) to move toward the aluminum alloy tube (4) through the push rod (2), so that the two ends of the sharp teeth (6) form embossing (9) on the surface of the aluminum alloy tube (4).

2. The deep surface embossing device for reducing deformation of aluminum alloy tubes according to claim 1, characterized in that, The number of the sharp teeth (6) is 24, which are evenly arranged in a ring on the outer circumferential surface of the toothed roller (8).

3. The deep surface embossing device for reducing deformation of aluminum alloy tubes according to claim 1, characterized in that, The roller (7) and the toothed roller (8) are arranged in parallel, and the distance between them is adjustable to accommodate aluminum alloy tubes (4) with different outer diameters.

4. The deep surface embossing device for reducing deformation of aluminum alloy tubes according to claim 1, characterized in that, The pressure of the cylinder (1) is adjustable to control the depth of the embossing (9).

5. The deep surface embossing device for reducing deformation of aluminum alloy tubes according to claim 1, characterized in that, The embossing (9) consists of circular pits arranged continuously along one side of the aluminum alloy tube (4), used to mark the joint position of the aluminum alloy tube (4).

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