CN203304930U - Machining tool for cylindrical thin-walled parts with flanges - Google Patents

Abstract

The utility model discloses a machining tool for cylindrical thin-walled parts with flanges in the machining field. The machining tool comprises a base and an end cover, wherein the base is provided with a middle hole, a jack catch clamping face and a baffle shoulder are arranged at one end of the base while an outer thread is arranged at the other end of the base, and the other end of the base is provided with an installation workpiece counter bore. A first pressing face is arranged at the bottom of the installation workpiece counter bore, and a cutter relieving hole is connected to the bottom of the installation workpiece counter bore and is communicated with the middle hole. The end cover is provided with a threaded hole and a through hole with the diameter smaller than that of the threaded hole. The threaded hole is communicated with the through hole. A second pressing face is arranged at the bottom of the threaded hole, and the threaded hole of the end cover is in threaded match with the outer thread of the base. The machining tool disclosed by the utility model is simple in structure, small in machining deformation and high in production efficiency.

Description

A thin-wall cylindrical part processing tool with flange

technical field

The utility model relates to a processing device for cylindrical parts with flanges in mechanical processing, in particular to a processing device for non-ferrous metal thin-walled cylindrical bodies.

Background technique

The processing of thin-walled parts has always been a difficult point in the machining industry at home and abroad. Although it is possible to process some iron parts with relatively hard materials by means of segmental processing and tooling strengthening, but for soft textures and difficult processing For thin-walled cylindrical non-ferrous metal parts such as guide post copper sleeves that are easily deformed, since the hardness of the copper material used in the guide post copper sleeve is only about 85HBW, and the wall of the guide post copper sleeve is very thin, it is directly clamped by claws It is easy to deform, and the guide post copper sleeve is used as a sleeve part for guide post guidance in the tamping device. It has high requirements for the size of the inner and outer circles, the coaxiality of the inner and outer circles, and the perpendicularity between the hole axis and the end surface. Therefore, there is no simple and efficient processing method at present.

Contents of the invention

The purpose of the utility model is to provide a thin-walled flanged cylindrical part processing tool with simple structure, small processing deformation and high production efficiency.

The technical solution adopted to achieve the above purpose is: a thin-walled cylindrical part processing tool with a flange, including a base and an end cover, the base has a middle hole, and one end of the base has a claw clamping surface and a shoulder, The other end has an external thread and is provided with a counterbore for installing the workpiece. The bottom of the counterbore for installing the workpiece has a first pressing surface. The end cap has a threaded hole and a through hole with a diameter smaller than the threaded hole. The threaded hole communicates with the through hole. The bottom of the threaded hole has a second pressing surface. The threaded hole of the end cap is threaded with the external thread of the base.

Four card slots are formed on the outer periphery of the end cap.

When in use, the clamping surface of the claw on the base is clamped to the machine tool, and at the same time, the shoulder is closely attached to the end surface of the claw. After the base is fixed on the machine tool, place the processed guide post copper bushing into the counterbore of the installation workpiece on the base. The depth of the counterbore of the installation workpiece should be smaller than the thickness of the bottom flange of the guide post copper bushing. The diameter of the counterbore of the installation workpiece is slightly larger than the outer diameter of the bottom flange of the guide post copper sleeve, so as to facilitate the assembly, disassembly and positioning of the guide post copper sleeve. The main function of the tool hole is to hold and remove chips during the processing of the copper sleeve of the guide post, and at the same time ensure that the turning tool can be processed to the entire inner surface of the copper sleeve of the guide post during processing without collision; the middle hole on the base is mainly It plays the role of connecting, so that the internal and external air flow communicates. After putting the copper sleeve of the guide post on the base, install the end cover on the base. The inner threaded hole of the end cover is matched with the outer thread of the base. The second pressing surface of the end cover is attached to one end surface of the copper sleeve of the guide post, and the other end surface of the copper sleeve of the guide post is pressed against the first pressing surface of the base, thereby realizing the clamping of the copper sleeve of the guide post.

Technical effect:

1. Through the connection between the base and the machine tool, it overcomes the defects that the copper sleeve is easily deformed due to the radial force received when the copper sleeve of the guide post is directly clamped, and the finishing size cannot be guaranteed. The utility model can meet the surface requirements of the copper sleeve of the guide post. Roughness and dimensional accuracy requirements.

2. Through the connection between the end cover and the base, the traditional clamping method of the copper sleeve of the guide post is changed, and the radial force during direct clamping is transformed into an axial force, which reduces the clamping deformation of the copper sleeve of the guide post, and also To a certain extent, the rigidity of the copper sleeve of the guide post is improved;

3. Simple structure, convenient assembly and disassembly, high production efficiency.

Description of drawings

Below in conjunction with the embodiment that accompanying drawing provides, the utility model is described in further detail.

Fig. 1 is the structural representation of the thin-walled non-ferrous metal cylindrical part processing tool with flange of the utility model when processing the guide post copper sleeve;

Fig. 2 is a schematic structural view of the base in Fig. 1;

Fig. 3 is a schematic structural view of the end cap in Fig. 1;

Figure 4. Right side view of Figure 3.

Detailed ways

As shown in Figures 1, 2, 3, and 4, a thin-walled cylindrical part processing tool with a flange includes a base 1 and an end cover 2, the base 1 has a middle hole 1-1, and one end of the base 1 has a The jaw clamping surface 1-2 and the shoulder 1-3, the other end has an external thread 1-4, and is provided with a mounting workpiece counterbore 1-5, and the bottom of the mounting workpiece counterbore 1-5 has a first pressing surface 1-6, the bottom of the mounting workpiece counterbore 1-5 is connected with a knife hole 1-7, and the knife hole 1-7 is also communicated with the middle hole 1-1, and the end cover 2 has a threaded hole 2-1 and a diameter The through hole 2-2 smaller than the threaded hole 2-1, the threaded hole 2-1 communicates with the through hole 2-2, the bottom of the threaded hole 2-1 has a second pressing surface 2-3, the thread of the end cover 2 The hole 2-1 is threadedly engaged with the external thread 1-4 of the base 1 .

As shown in Figures 3 and 4, in order to facilitate the tightening and loosening of the end cap, the outer periphery of the end cap 2 is provided with four locking slots 2-4.

As shown in Figures 1, 2, 3, and 4, when processing each batch of guide post copper sleeves 3 (workpieces), after clamping the clamping surface 1-2 of the jaws of the base 1 to the jaws of the machine tool, It is necessary to align the counterbore 1-5 of the mounting workpiece of the base 1 matched with the outer diameter of the guide post copper sleeve 3 to ensure that the circumference and end runout of the utility model during processing are below 0.01 mm. The middle hole 1-1 on the base 1 is mainly used for connection, so that the internal and external air flow communicates. After putting the guide post copper sleeve 3 on the base 1, install the end cover 2 on the base 1. The internal thread hole 2-1 of the end cover 2 is threaded with the external thread 1-4 of the base 1, so that the end cover The second pressing surface 2-3 is attached to one end surface of the guide post copper sleeve, and the other end surface of the guide post copper sleeve 3 is pressed against the first pressing surface 1-6 of the base 1 to ensure that the end cover 2 is pressed tightly. Otherwise, the machining dimensional accuracy cannot be guaranteed, so that the clamping of the copper sleeve 3 of the guide post can be realized. After the processing is completed, screw the four slots 2-4 of the end cover 2 with a wrench to loosen the end cover 2 and remove the copper sleeve 3 of the guide post.

Claims (2)

1. A thin-walled cylindrical part processing tool with a flange, characterized in that: a. Including base (1) and end cap (2), b. The base (1) has a middle hole (1-1), one end of the base (1) has a claw clamping surface (1-2) and a shoulder (1-3), and the other end has an external thread (1 -4), and has a counterbore (1-5) for the installation workpiece, the bottom of the counterbore (1-5) has a first pressing surface (1-6), and the counterbore (1-5) The bottom is connected with the knife hole (1-7), and the knife hole (1-7) is also connected with the middle hole (1-1). c. The end cover (2) has a threaded hole (2-1) and a through hole (2-2) with a diameter smaller than the threaded hole (2-1), and the threaded hole (2-1) and the through hole (2-2 ) connected, the bottom of the threaded hole (2-1) has a second pressing surface (2-3), d. The threaded hole (2-1) of the end cover (2) is threadedly matched with the external thread (1-4) of the base (1). 2. The processing tool for thin-walled cylindrical parts with flanges according to claim 1, characterized in that: the outer circumference of the end cover (2) is provided with four slots (2-4).

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