Aluminum alloy boring cutter bar

Abstract

The utility model provides an aluminum alloy boring cutter bar which is characterized by comprising an aluminum alloy adapter block and an aluminum alloy bar body, a cutter handle positioning hole is formed in the center position of the first end face of the aluminum alloy adapter block, and the cutter handle positioning hole is matched and connected with a boss on the basic handle in an inserted mode; a convex cylinder is arranged in the middle of the second end face of the aluminum alloy adapter block, and an air hole is formed in the center of the convex cylinder; the aluminum alloy adapter block is further provided with a plurality of first bolt holes and a plurality of second bolt holes which penetrate through the first end face and the second end face, the first bolt holes are in bolted connection with the basic handle, the second bolt holes are in bolted connection with the aluminum alloy rod body, and the aluminum alloy rod body is provided with a large head end and a small head end; the large head end is provided with an end face hole matched with the outer protruding cylinder in an inserted mode and a plurality of third bolt holes corresponding to the second bolt holes in position. A flat key structure is arranged at the small head end and is in key connection with the blade seat, a plurality of fourth bolt holes are formed in the flat key structure, and the fourth bolt holes are in bolt connection with the blade seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing cutter technical field, especially a kind of aluminium alloy boring bar. BACKGROUND

[0002] Boring cutter is a kind of hole processing cutter, its most commonly used occasion is hole processing, hole expansion, profiling etc., but it is not limited to only processing hole, end face and cylinder can also be limited to processing, it is conventional mechanical processing cutter.For some deep hole boring mechanical processing, the total weight greater than 15kg cutter handle is usually used, the cutter handle does not meet the automatic tool changing requirement that the maximum tool changing weight of machining center tool magazine is 15kg, thus needing to be manually operated by staff to change tool, however, manual tool changing has the problems of heavy workload and uncertainty of manual operation, which affects machining quality and tool changing efficiency to some extent. SUMMARY

[0003] The utility model discloses in order to solve above-mentioned problem, aim at providing a kind of aluminium alloy boring bar.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The utility model provides a kind of aluminium alloy boring bar, it is characterized in that, include: aluminium alloy adapter block and aluminium alloy rod body;Aluminium alloy adapter block is round cake, and the first end surface of aluminium alloy adapter block is located in the center and is equipped with cutter handle positioning hole, and cutter handle positioning hole is matched with the boss on base handle and is inserted;The second end surface of aluminium alloy adapter block is equipped with outer convex cylinder in the middle, and the center position of outer convex cylinder is equipped with air hole;Aluminium alloy adapter block is also equipped with the first bolt hole and the second bolt hole of multiple first bolt hole and multiple second bolt hole through first end surface to second end surface, and first bolt hole is bolted with base handle, and second bolt hole is bolted with aluminium alloy rod body, and aluminium alloy rod body has big end and small end;Big end is equipped with the end face hole that is matched with the insertion of outer convex cylinder and the multiple third bolt hole that is corresponding with the position of second bolt hole;Small end is equipped with flat key structure, and flat key structure is keyed with blade seat, and multiple fourth bolt hole is equipped on flat key structure, and fourth bolt hole is bolted with blade seat.

[0006] Further, in the aluminium alloy boring bar provided by the utility model, the first bolt hole can also have the following characteristics: the first bolt hole is four, and is arranged in a ring array around the axis of the aluminium alloy adapter block.

[0007] Further, in the aluminium alloy boring bar provided by the utility model, the first bolt hole can also have the following characteristics: the first bolt hole is the head insertion hole of internal hexagonal bolt.

[0008] Further, the aluminium alloy boring bar provided by the utility model can have the following features: the second bolt hole is a head insertion hole of a hexagonal bolt.

[0009] Further, the aluminium alloy boring bar provided by the utility model can have the following features: the second bolt hole is a head insertion hole of a hexagonal bolt.

[0010] Further, the aluminium alloy boring bar provided by the utility model can have the following features: the second bolt hole is a head insertion hole of a hexagonal bolt.

[0011] Further, the aluminium alloy boring bar provided by the utility model can have the following features: the second bolt hole is a head insertion hole of a hexagonal bolt.

[0012] Further, the aluminium alloy boring bar provided by the utility model can have the following features: the second bolt hole is a head insertion hole of a hexagonal bolt.

[0013] The utility model discloses the beneficial effects of:

[0014] The aluminium alloy boring bar provided by the utility model is simple and reliable in structure, easy to install, and the total weight of the aluminium alloy boring bar meets the automatic tool changing requirement of a machining center tool magazine, so that the aluminium alloy boring bar can be applied to the automatic tool changing of the machining center, thereby avoiding the heavy labor of manual tool changing, reducing the uncertainty of manual operation, improving the work efficiency, and improving the machining quality. DRAWINGS

[0015] Figure 1 Is the structure exploded view of each component of the aluminium alloy boring bar in the embodiment of the utility model;

[0016] Figure 2 Is the overall structure diagram of the aluminium alloy boring bar after installation in the embodiment of the utility model;

[0017] Figure 3 Is the side view of the aluminium alloy rod body in the embodiment of the utility model;

[0018] Figure 4 Is the sectional view of the aluminium alloy rod body in the embodiment of the utility model;

[0019] Figure 5 Is the end face view of the aluminium alloy adapter block in the embodiment of the utility model;

[0020] Figure 6 Is Figure 5 The sectional view of B-B face.

[0021] Marked in the figure: base handle 1; aluminum alloy adapter block 2; first bolt hole 21; second bolt hole 22; tool handle positioning hole 23; air hole 24; outer convex cylinder 25; aluminum alloy rod body 3; hollow structure 31; flat key structure 32; third bolt hole 33; fourth bolt hole 34; blade seat 4; blade 5. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following embodiments are combined with the drawings to specifically describe the technical scheme of the utility model.

[0023] Referring to Figure 1 and Figure 2 , the aluminum alloy boring bar provided by the utility model embodiment comprises an aluminum alloy adapter block 2 and an aluminum alloy rod body 3.

[0024] Referring to Figure 1 , Figure 5 and Figure 6 , the aluminum alloy adapter block 2 is in the shape of a round cake, a tool handle positioning hole 23 is formed in the center of the first end face of the aluminum alloy adapter block 2, and the tool handle positioning hole 23 is inserted into the boss on the base handle 1 in cooperation. The base handle 1 is a commercially available product, and the size of the tool handle positioning hole 23 is set to be matched with the size of the boss of the base handle 1.

[0025] An outer convex cylinder 25 is arranged in the middle of the second end face of the aluminum alloy adapter block 2, and an air hole 24 is formed in the center of the outer convex cylinder 25. The air hole 24 and the tool handle positioning hole 23 are communicated, and the inner diameter of the tool handle positioning hole 23 is greater than the inner diameter of the air hole 24.

[0026] The aluminum alloy adapter block 2 is also provided with a plurality of first bolt holes 21 and a plurality of second bolt holes 22 which penetrate through the first end face to the second end face. The first bolt holes 21 are connected with the base handle 1 through bolts, and the second bolt holes 22 are connected with the aluminum alloy rod body 3 through bolts. Preferably, referring to Figure 5 , the first bolt holes 21 are four, which are arranged in a ring array around the axis of the aluminum alloy adapter block 2. The first bolt holes 21 are head insertion holes of the inner hexagonal bolts, which are used to connect with the inner hexagonal bolts. In this embodiment, the inner hexagonal bolts are M12 specification inner hexagonal bolts. The second bolt holes 22 are also four, which are arranged in a ring array around the axis of the aluminum alloy adapter block 2, and are arranged alternately with the first bolt holes 21, that is, as shown in Figure 5 , the central angle formed by the first bolt hole 21 and the adjacent second bolt hole 22 and the center of the aluminum alloy adapter block 2 is 45°. The second bolt hole 22 is a rod head insertion hole of the inner hexagonal bolt, which is used to connect with the inner hexagonal bolt. In this embodiment, the inner hexagonal bolt is an M12 specification inner hexagonal bolt.

[0027] Referring toFigure 3 The total length b of the aluminum alloy rod body 3 is 400mm-500mm, and the aluminum alloy rod body 3 has a large end and a small end. The large end is used for connecting with the aluminum alloy adapter block 2, and the small end is used for mounting the blade seat 4.

[0028] Referring to Figure 3 The large end of the aluminum alloy rod body 3 has a round pie structure, and the diameter (as shown by a) of the round pie structure matches the diameter of the aluminum alloy adapter block 2, which can be set according to specific conditions. The large end of the aluminum alloy rod body 3 is also provided with an end face hole matched with the outer convex cylinder 25. Figure 3

[0029] Referring to Figure 4 The aluminum alloy rod body 3 is internally provided with a hollow structure 31 which is communicated with the end face hole. The hollow structure 31 can reduce the weight and can play a shock-absorbing effect. The middle section outer diameter (as shown by c) of the aluminum alloy rod body 3 is 50mm-80mm, and the inner diameter (as shown by d) of the hollow structure is 40mm-60mm. Figure 3 Figure 4

[0030] Referring to Figure 1 The large end of the aluminum alloy rod body 3 is also provided with four third bolt holes 33 corresponding to the positions of the second bolt holes 22.

[0031] Referring to Figure 1 The small end of the aluminum alloy rod body 3 is provided with a flat key structure 32, the flat key structure 32 is keyed connected with the blade seat 4, and the blade seat 4 is mounted with a blade 5. The blade seat 4 and the blade 5 are all commercially available products. Referring to Figure 1 and Figure 4 A plurality of fourth bolt holes 34 are formed in the flat key structure 32, and the fourth bolt holes are bolted connected with the blade seat 4. In the embodiment, the fourth bolt holes 34 are three, and the three fourth bolt holes are equidistantly distributed on the flat key structure 32. In the embodiment, the fourth bolt holes 34 are M8 specification threaded holes, which are used for connecting with M8 specification bolts.

[0032] The total weight of the aluminum alloy boring cutter rod provided in the embodiment is about 10kg, which meets the automatic tool changing requirement of the machining center tool magazine with the maximum tool changing weight of 15kg, so it can be applied to the machining center for automatic tool changing. In this way, the heavy labor of manual tool changing can be avoided, the uncertainty of manual operation can be reduced, the work efficiency can be improved, and the machining quality can be improved.

[0033] The above embodiment is only a preferred embodiment of the present application, and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application is included in the protection scope of the present application.​​​

Claims

1. An aluminum alloy boring bar, characterized in that, include: Aluminum alloy adapter block and aluminum alloy rod; The aluminum alloy adapter block is in the shape of a disc. The first end face of the aluminum alloy adapter block has a tool holder positioning hole at the center position. The tool holder positioning hole is engaged with the boss on the base handle. The second end face of the aluminum alloy adapter block has a convex cylinder in the middle, and a vent hole is opened at the center of the convex cylinder. The aluminum alloy adapter block also has multiple first bolt holes and multiple second bolt holes extending from the first end face to the second end face. The first bolt holes are bolted to the base shank, and the second bolt holes are bolted to the aluminum alloy rod body. The aluminum alloy rod has a large end and a small end; The large end is provided with an end face that mates with the protruding cylinder and a plurality of third bolt holes corresponding to the position of the second bolt hole; The small end is provided with a flat key structure, which is keyed to the blade holder. The flat key structure has multiple fourth bolt holes, which are bolted to the blade holder.

2. The alloy boring bar as described in claim 1, characterized in that: in, The first bolt holes are four in number and are evenly distributed in a ring array around the axis of the aluminum alloy adapter block.

3. The alloy boring bar as described in claim 2, characterized in that: in, The first bolt hole is the head insertion hole of the internal hex bolt.

4. The alloy boring bar as described in claim 1, characterized in that: in, The second bolt holes are four in number, arranged in a circular array around the axis of the aluminum alloy adapter block, and are alternated with the first bolt holes.

5. The alloy boring bar as described in claim 4, characterized in that: in, The second bolt hole is the insertion hole for the shank of an internal hexagonal bolt.

6. The alloy boring bar as described in claim 1, characterized in that: in, The tool holder positioning hole and the vent hole are connected, and the inner diameter of the tool holder positioning hole is larger than the inner diameter of the vent hole.

7. The alloy boring bar as described in claim 1, characterized in that: in, The aluminum alloy rod has a hollow structure inside, and the hollow structure communicates with the end face hole.

8. The alloy boring bar as described in claim 1, characterized in that: in, There are three fourth bolt holes, which are distributed at equal intervals on the flat key structure.

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