Automobile air conditioner pipe aluminum sleeve installation punch

Abstract

The utility model provides an automobile air conditioner pipe aluminum sleeve installation punch which comprises a connecting part, a punching rod, a sliding sleeve, a spring and a core rod, one end of the punching rod is connected with the connecting part, a cavity is formed in the punching rod, the core rod is arranged in the cavity, and a pipe body containing ring groove capable of containing a pipe body is formed between the core rod and the inner wall of the cavity. A jacking end face is arranged at one end of the pipe containing annular groove, the sliding sleeve is slidably connected to the outer side of the stamping rod, the spring is arranged between the sliding sleeve and the connecting component, and an extrusion forming annular groove is formed in the inner side of one end of the stamping rod. According to the utility model, the aluminum sleeve is fixed on the pipe body through the first extrusion drum structure and the second extrusion drum structure, so that the installation firmness of the aluminum sleeve is greatly improved, and the problem that the aluminum sleeve is separated from the pipe body due to the fact that a welding part is easy to crack in a traditional installation mode is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing, in particular to a punch for installing an aluminum sleeve of an automobile air-conditioning pipe. Background Art

[0002] like Figure 1 As shown, the existing automobile air-conditioning pipe includes a pipe body 11 and an aluminum sleeve 12, and the aluminum sleeve 12 is assembled on the outside of one end of the pipe body 11; wherein, a first extrusion drum structure 13 is provided on the outside of the pipe body 11. When installing the aluminum sleeve 12, the aluminum sleeve 12 is sleeved on the outside of the pipe body 11, and the inner flange structure 121 on the aluminum sleeve 12 is in contact with the first extrusion drum structure 13, the aluminum sleeve 12 is limited by the first extrusion drum structure 13, and then the aluminum sleeve 12 is welded and fixed to the pipe body 11.

[0003] When welding the aluminum sleeve 12 to the tube body 11 , the welding skills of the operator are relatively high. If the welding is not in place, the connection between the aluminum sleeve 12 and the tube body 11 is prone to cracking, thereby causing the aluminum sleeve 12 to fall off the tube body 11 . Summary of the invention

[0004] The utility model aims to solve the deficiencies in the prior art and provides a punch for installing an aluminum sleeve of an automobile air-conditioning pipe.

[0005] The purpose of the utility model is achieved through the following technical scheme: a punch for installing an aluminum sleeve of an automobile air-conditioning pipe, comprising a connecting component, a stamping rod, a sliding sleeve, a spring, and a core rod, one end of the stamping rod is connected to the connecting component, a cavity is provided in the stamping rod, a core rod is provided in the cavity, a tube body accommodating annular groove for accommodating a tube body is formed between the core rod and the inner wall of the cavity, a top pressing end face is provided at one end of the tube body accommodating annular groove, the sliding sleeve is slidably connected to the outer side of the stamping rod, the spring is arranged between the sliding sleeve and the connecting component, and an extrusion drum forming annular groove is arranged on the inner side of one end of the stamping rod.

[0006] Preferably, a limiting end surface for limiting the position of the sliding sleeve is provided on the outer side of the punching rod.

[0007] Preferably, a first screw through hole is provided on the connecting component, a second screw through hole is provided on the punching rod, and a threaded hole is provided on the core rod. The connecting component, the punching rod and the core rod are connected by a screw. The screw passes through the first screw through hole on the connecting component and the second screw through hole on the punching rod and is connected to the threaded hole on the core rod.

[0008] Preferably, when installing the aluminum sleeve, the aluminum sleeve is sleeved on the stamping rod, one end of the aluminum sleeve abuts against the sliding sleeve, the inner flange structure of the other end of the aluminum sleeve abuts against the first extrusion drum structure on the tube body, the tube body extends into the tube body accommodating annular groove and one end of the tube body contacts the pressing end face; the tube body is axially pressed by the stamping rod to form a second extrusion drum structure on the tube body, and the second extrusion drum structure is formed in the extrusion drum forming annular groove.

[0009] Preferably, the core rod is coaxially arranged with the punching rod.

[0010] The beneficial effects of the utility model are as follows: in the utility model, the aluminum sleeve is fixed on the pipe body by the first extrusion drum structure and the second extrusion drum structure, which greatly improves the firmness of the aluminum sleeve installation and avoids the problem of the aluminum sleeve and the pipe body being separated due to the cracking of the welding part in the traditional installation method. In addition, the utility model can complete the installation of the aluminum sleeve by one punching of the aluminum sleeve installation punch, which is convenient for the installation process, avoids the trouble caused by the welding operation, and reduces the technical requirements for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The figure is a schematic diagram of the structure of an existing automobile air-conditioning pipe.

[0012] Figure 2 A schematic diagram of the structure when the aluminum sleeve is installed using a punch.

[0013] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0014] Figure 4 Schematic diagram of the mandrel when installed in the punch rod.

[0015] In the figure: 11, tube body, 12, aluminum sleeve, 121, inner flange structure, 13, first extrusion drum structure, 14, second extrusion drum structure, 2, clamping die component, 31, connecting component, 32, punching rod, 33, sliding sleeve, 34, spring, 35, core rod, 36, limiting end face, 37, connecting screw, 38, extrusion drum forming ring groove, 39, tube body accommodating ring groove, 310, top pressing end face. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0017] Those skilled in the art should understand that, in the disclosure of the present invention, the orientation or position relationship indicated by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0018] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0019] like Figures 1 to 4 As shown, a punch for installing an aluminum sleeve of an automobile air-conditioning pipe comprises a connecting component 31, a punching rod 32, a sliding sleeve 33, a spring 34, and a core rod 35. One end of the punching rod 32 is connected to the connecting component 31. A cavity is provided in the punching rod 32, and a core rod 35 is provided in the cavity. The core rod 35 is coaxially arranged with the punching rod 32. A tube body accommodating annular groove 39 for accommodating the tube body 11 is formed between the core rod 35 and the inner wall of the cavity. A top pressing end face 310 is provided at one end of the tube body accommodating annular groove 39. The sliding sleeve 33 is slidably connected to the outer side of the punching rod 32, and the sliding sleeve 33 can slide along the axial direction of the punching rod 32. The spring 34 is arranged between the sliding sleeve 33 and the connecting component 31. A limiting end face 36 for limiting the sliding sleeve 33 is provided on the outer side of the punching rod 32. An extrusion drum forming annular groove 38 is provided on the inner side of one end of the punching rod 32. The connecting component 31 is connected to the punching drive device, and the punching drive device drives the entire aluminum sleeve installation punch to realize the punching action.

[0020] When installing the aluminum sleeve 12, the tube body 11 is fixed by the clamping die component 2, and the clamping die component 2 clamps the tube body 11, and one end of the tube body 11 faces the aluminum sleeve installation punch; the aluminum sleeve 12 is sleeved on the punching rod 32, and one end of the aluminum sleeve 12 abuts against the sliding sleeve 33, and the other end of the aluminum sleeve 12 is provided with an inner flange structure 121. The sliding sleeve 33 abuts against the end of the aluminum sleeve 12 away from the inner flange structure 121 under the action of the spring 34, and an axial thrust is applied to the aluminum sleeve 12 by the spring 34, so that the inner flange structure 121 at the other end of the aluminum sleeve 12 abuts against the tube body 11, and the inner flange structure 121 at the other end of the aluminum sleeve 12 abuts against the tube body 11. The first extrusion drum structure 13 on the body 11; the tube body 11 extends into the tube body accommodating annular groove 39 and one end of the tube body 11 contacts the pressing end face 310, and the tube body 11 is axially pressed by the punching rod 32 so that a certain position on the tube body 11 bulges outward to form a second extrusion drum structure 14, and the second extrusion drum structure 14 is formed in the extrusion drum forming annular groove 38. The inner flange structure 121 on the aluminum sleeve 12 is sandwiched between the first extrusion drum structure 13 and the second extrusion drum structure 14, and the aluminum sleeve 12 is fixed by the first extrusion drum structure 13 and the second extrusion drum structure 14.

[0021] Furthermore, a first screw through hole is provided on the connecting component 31, a second screw through hole is provided on the punching rod 32, and a threaded hole is provided on the core rod 35. The connecting component 31, the punching rod 32 and the core rod 35 are connected by a screw. The screw passes through the first screw through hole on the connecting component 31 and the second screw through hole on the punching rod 32 and is connected to the threaded hole on the core rod 35.

[0022] In the utility model, the aluminum sleeve is fixed on the pipe body by the first extrusion drum structure and the second extrusion drum structure, which greatly improves the firmness of the aluminum sleeve installation and avoids the problem of the aluminum sleeve and the pipe body being separated due to the cracking of the welding part in the traditional installation method. In addition, the utility model can complete the installation of the aluminum sleeve by one punching of the aluminum sleeve installation punch, which is convenient for the installation process, avoids the trouble caused by the welding operation, and reduces the technical requirements for the operator.

[0023] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. A punch for installing aluminum sleeve of automobile air-conditioning pipe, characterized in that: It includes a connecting component, a punching rod, a sliding sleeve, a spring and a core rod. One end of the punching rod is connected to the connecting component. A cavity is provided in the punching rod. A core rod is provided in the cavity. A tube body accommodating annular groove for accommodating a tube body is formed between the core rod and the inner wall of the cavity. A top pressing end surface is provided at one end of the tube body accommodating annular groove. The sliding sleeve is slidably connected to the outer side of the punching rod. The spring is provided between the sliding sleeve and the connecting component. An extrusion drum forming annular groove is provided on the inner side of one end of the punching rod.

2. The punch for installing the aluminum sleeve of an automobile air-conditioning pipe according to claim 1 is characterized in that: The outer side of the punching rod is provided with a limiting end surface for limiting the sliding sleeve.

3. The punch for installing the aluminum sleeve of an automobile air-conditioning pipe according to claim 1 is characterized in that: A first screw through hole is provided on the connecting component, a second screw through hole is provided on the punching rod, and a threaded hole is provided on the core rod. The connecting component, the punching rod and the core rod are connected by a screw. The screw passes through the first screw through hole on the connecting component and the second screw through hole on the punching rod and is connected to the threaded hole on the core rod.

4. The aluminum sleeve installation punch for automobile air-conditioning pipe according to claim 1, characterized in that: When installing the aluminum sleeve, the aluminum sleeve is sleeved on the punching rod, one end of the aluminum sleeve is against the sliding sleeve, and the inner flange structure of the other end of the aluminum sleeve is against the first extrusion drum structure on the tube body. The tube body extends into the tube body accommodating annular groove and one end of the tube body contacts the pressing end face; the tube body is axially pressed by the punching rod to form a second extrusion drum structure on the tube body, and the second extrusion drum structure is formed in the extrusion drum forming annular groove.

5. The aluminum sleeve installation punch for automobile air conditioning pipe according to claim 1, characterized in that: The core rod is coaxially arranged with the punching rod.

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