CN219130808U

CN219130808U - Special coarse boring tool for stepped hole machining

Info

Publication number: CN219130808U
Application number: CN202223412121.6U
Authority: CN
Inventors: 李远超; 方荣超; 唐凡芳; 刘训令; 陈特; 许化龙; 李冲; 郝明华; 刘赛赛
Original assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Current assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-06
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a special rough boring cutter for processing a stepped hole, which is characterized by comprising a connecting handle (1), a high sliding block (2), a short sliding block (3), a first blade (5) and a second blade (7), wherein the first blade (5) is fixedly arranged on the high sliding block (2), the second blade (7) is fixedly arranged on the short sliding block (3), the high sliding block (2) and the short sliding block (3) are fixedly arranged on the connecting handle (1), the height difference between the high sliding block (2) and the short sliding block (3) is more than 1mm, the diameter size of the high sliding block (2) is equal to the diameter size of a bottom hole of the stepped hole when rotating, and the diameter size of the short sliding block (3) is equal to the diameter size of the stepped hole when rotating. The utility model realizes the rough machining of the stepped hole by one-time feeding, improves the machining efficiency of structural parts and reduces the production cost.

Description

Special coarse boring tool for stepped hole machining

Technical Field

The utility model relates to a special rough boring cutter for bench hole machining, and belongs to the technical field of machine manufacturing.

Background

The movable arm and bucket arm bench holes of the excavator adopt rough boring and semi-fine boring to finish rough machining through twice feeding, and the machining period of a structural part is long due to twice feeding, so that the machining efficiency is seriously affected. The movable arm and the bucket rod bench hole of the existing excavator are machined by adopting two standard rough boring cutters, so that the design requirements of the movable arm and the bucket rod bench hole of the excavator can be met.

In the mass production process, the requirement on the machining efficiency of the structural part of the excavator is high, the stepped holes of the movable arm and the bucket rod are machined by adopting rough and fine boring cutters twice in a feeding manner, the boring procedures are more, and the machining period is long.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a special rough boring tool for stepped hole machining, which realizes the finish of rough machining by one-step feeding of stepped holes, reduces the boring process of the stepped holes and improves the production efficiency.

In order to achieve the aim, the utility model provides a special rough boring cutter for bench hole machining, which comprises a connecting handle, a high sliding block, a low sliding block, a first blade and a second blade,

the first blade is fixedly arranged on the high sliding block, the second blade is fixedly arranged on the low sliding block, the high sliding block and the low sliding block are fixedly arranged on the connecting handle,

the height of the high sliding block is higher than that of the low sliding block, the diameter size of the high sliding block when rotating is equal to the diameter size of the bottom hole of the step hole, and the diameter size of the low sliding block when rotating is equal to the diameter size of the step hole.

Preferably, the blade comprises a plurality of blade screws, the first blade is fixed on the high slider by the plurality of blade screws, and the second blade is fixed on the low slider by the plurality of blade screws.

Preferentially, the high sliding block comprises a plurality of bolts, a first bolt through hole matched with the plurality of bolts is formed in the high sliding block, the position of the high sliding block is adjusted on the connecting handle, and the high sliding block is fixedly arranged on the connecting handle through the plurality of bolts, so that the diameter size of the high sliding block during rotation is adjusted.

Preferentially, a second bolt through hole matched with a plurality of bolts is formed in the short slide block, the position of the short slide block is adjusted on the joint handle, and the short slide block is fixedly arranged on the joint handle through the plurality of bolts, so that the diameter size of the short slide block during rotation is adjusted.

Preferably, the contact surface of the connecting handle, the high sliding block and the short sliding block is axially provided with a groove, and the lower end of the high sliding block and the lower end of the short sliding block are clamped in the groove.

The utility model has the beneficial effects that:

the utility model provides a special rough boring cutter for processing a stepped hole, which realizes the completion of the rough processing of the stepped hole by one-time feeding, improves the processing efficiency of a structural member and reduces the production cost.

Drawings

Fig. 1 is a perspective view of the present utility model.

The reference numerals mean 1-shank, 2-tall slide, 3-short slide, 4-blade screw, 5-first blade, 6-bolt, 7-second blade.

Detailed Description

The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, rear.

Furthermore, if the description of "first," "second," etc. is referred to in this disclosure, it is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

According to the technical scheme, a special rough boring cutter for step hole machining is designed according to the depth and diameter dimensions of step holes of a structural member, the height difference between the two sliders of the rough boring cutter is more than or equal to 25mm, the diameter of the high slider is the diameter dimension of a bottom hole of the step hole when the high slider rotates, the diameter dimension of the low slider is the diameter dimension of the step hole when the low slider rotates, and the high slider, the low slider and a connecting handle are fixed into a whole by using bolts, so that the high slider and the low slider are machined at the same time with different depths and diameters, the rough machining of the step holes is completed by one-step feeding, the rough boring procedure of the step holes is reduced, and the machining efficiency of the structural member is improved.

The special rough boring cutter is mainly divided into two parts, namely a sliding block and a cutter body, when the rough boring cutter can not meet the use requirement of a product, the use requirement of the product can be met only by replacing the sliding block part, and meanwhile, the production and manufacturing period and the manufacturing cost of the rough boring cutter are shortened.

Compared with the prior art, the utility model has the beneficial effects that: the number of numerical control cutters is reduced, the machining efficiency is greatly improved, and the production cost is reduced.

Referring to fig. 1, the special rough boring cutter comprises a joint handle 1, a high sliding block 2, a low sliding block 3, a blade screw 4, a first blade 5, a bolt 6 and a second blade 7.

The connection relation of the utility model is as follows: the first blade 5 is connected with the high sliding block 2 through a blade screw 4, the second blade 7 is connected with the low sliding block 3 through a blade screw 4, the high sliding block 2 is connected with the connecting handle 1 through a bolt 6, and the low sliding block 3 is connected with the connecting handle 1 through a bolt 6.

The operation process of the utility model comprises the following steps: firstly, two mounting surfaces of a high sliding block 2 are tightly attached to two mounting surfaces of a connecting handle 1, the diameter size of the high sliding block 2 is adjusted to be the diameter size of a bottom hole of a stepped hole, and a bolt 6 is screwed into the connecting handle 1 clockwise, so that the high sliding block 2 is tightly connected with the connecting handle 1; specifically, the position of the high sliding block is adjusted on the connecting handle, and the high sliding block is fixedly arranged on the connecting handle through a plurality of bolts, so that the diameter size of the high sliding block during rotation is adjusted.

Secondly, tightly attaching two mounting surfaces of the short slide block 3 to two mounting surfaces of the joint handle 1, adjusting the diameter size of the short slide block 3 to be the diameter size of the step hole, and screwing the bolt 6 into the joint handle 1 clockwise to ensure that the short slide block 3 is tightly connected with the joint handle 1; specifically, the position of the short slide block is adjusted on the connecting handle, and the short slide block is fixedly arranged on the connecting handle through a plurality of bolts, so that the diameter size of the short slide block when rotating is adjusted.

Finally, the blade screw 4 is screwed into the tall slider 2 and the short slider 3 clockwise, so that the first blade 5 is tightly connected with the tall slider 2, and the short slider 3 is tightly connected with the second blade 7.

The above-mentioned components of the handle 1, the high slider 2, the short slider 3, the blade screw 4, the first blade 5, the bolt 6 and the second blade 7 can be of various types in the prior art, and a person skilled in the art can select a proper type according to actual requirements, so that this embodiment is not exemplified one by one.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. A special rough boring cutter for bench hole machining is characterized by comprising a connecting handle (1), a high sliding block (2), a low sliding block (3), a first blade (5) and a second blade (7),

the first blade (5) is fixedly arranged on the high sliding block (2), the second blade (7) is fixedly arranged on the low sliding block (3), the high sliding block (2) and the low sliding block (3) are fixedly arranged on the connecting handle (1),

the height of the high sliding block (2) is higher than that of the low sliding block (3), the diameter size of the high sliding block (2) is equal to the diameter size of the bottom hole of the stepped hole when rotating, and the diameter size of the low sliding block (3) is equal to the diameter size of the stepped hole when rotating.

2. A special rough boring tool for bench hole machining according to claim 1, characterized in that,

the novel knife blade comprises a plurality of blade screws (4), a first blade (5) is fixed on a high sliding block (2) through the plurality of blade screws (4), and a second blade (7) is fixed on a low sliding block (3) through the plurality of blade screws (4).

3. A special rough boring tool for bench hole machining according to claim 1, characterized in that,

the high sliding block (2) is fixedly arranged on the connecting handle (1) through the bolts (6), so that the diameter size of the high sliding block (2) during rotation is adjusted.

4. A special rough boring tool for bench hole machining according to claim 3, wherein,

the short slider (3) is provided with a second bolt through hole matched with a plurality of bolts (6), the position of the short slider (3) is adjusted on the joint handle (1), and the short slider (3) is fixedly arranged on the joint handle (1) through the plurality of bolts (6), so that the diameter size of the short slider (3) in rotation is adjusted.

5. A special rough boring tool for bench hole machining according to claim 1, characterized in that,

the contact surface of the connecting handle (1), the tall sliding block (2) and the short sliding block (3) is axially provided with a groove, and the lower end of the tall sliding block (2) and the lower end of the short sliding block (3) are clamped in the groove.