CN213080094U - Deep hole reverse-drawing chamfering manual machining tool - Google Patents

Abstract

The embodiment of the utility model discloses deep hole counter-drawing chamfer hand tool, include: the handle, the adapter rod, the blade and the screw; the handle is connected with one end of the adapter rod, the other end of the adapter rod is provided with a groove for mounting the blade, and the wall of the groove is provided with a through hole; the blade is an isosceles trapezoid structure, a through hole is formed in the middle of the blade, the blade is installed in the groove of the adapter rod, and the blade is fixed through the groove and the through hole of the blade by screws. The embodiment of the utility model provides a solve the part and in narrow space the problem of reverse-drawing chamfer processing, promoted product machining efficiency and product quality.

Description

Deep hole reverse-drawing chamfering manual machining tool

Technical Field

The application relates to the technical field of mechanical tool design, in particular to a deep hole reverse-drawing chamfering manual machining tool.

Background

In helicopter parts, such as hub central parts, connecting parts, inclinometer moving rings, fixed rings and the like, deep hole chamfering structure requirements in a narrow space are usually met, and the chamfering size is generally 0.5 × 45 degrees, 1 × 45 degrees, 0.5 × 60 degrees, 1 × 60 degrees and the like.

For the condition of deep hole processing chamfer in the narrow space, the chamfer can not be processed by equipment such as a numerical control machine tool and the like due to the limitation of an operation space, and only can be manually processed by a bench worker. At present, a common processing method for a deep hole chamfering structure is that a bench worker manually uses a small filing tool for filing or abrasive cloth for polishing, the processing difficulty is high, the processing efficiency is low, the chamfering edge is irregular, the quality is unstable, the product is out of tolerance and even scrapped, and the product payment is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides a deep hole is turned over and is drawn manual processing instrument of chamfer to solve the part and turn over in narrow space and draw the problem of chamfer processing, promote product machining efficiency and product quality.

The embodiment of the utility model provides a deep hole reverse-drawing chamfer hand-operated machining instrument, include: the handle, the adapter rod, the blade and the screw;

the handle is connected with one end of the adapter rod, the other end of the adapter rod is provided with a groove for mounting a blade, and the wall of the groove is provided with a through hole; the blade is of an isosceles trapezoid structure, a through hole is formed in the middle of the blade, the blade is installed in the groove of the adapter rod, and the blade penetrates through the groove and the through hole of the blade through a screw to be fixed.

Alternatively, in the deep hole reverse-drawing chamfering manual machining tool described above,

the handle is of a cylindrical structure, and an internal thread is arranged at one end connected with the adapter rod;

the adapter rod is of a cylindrical structure, and one end of the adapter rod is provided with an external thread which is matched and installed with the internal thread of the handle.

Optionally, in the manual deep-hole reverse-pulling chamfering machining tool described above, the handle and the adapter rod are of an integrally formed structure.

Optionally, in the manual deep-hole reverse-pulling chamfering machining tool, when the blade is installed in the groove of the adapter rod, the long bottom edge of the trapezoid structure faces the outside of the groove, and two oblique edges of the trapezoid structure are cutting edges for chamfering.

Alternatively, in the deep hole reverse-drawing chamfering manual machining tool described above,

the length of the adapter rod is determined according to the depth of the processed deep hole chamfer;

the diameter of the adapter rod is determined according to the size of the chamfer of the processed deep hole.

Optionally, in the deep hole reverse-drawing chamfering manual machining tool described above, the blade comprises a plurality of blades of different sizes and angles;

the deep hole reverse-pulling chamfering manual processing tool is used for processing deep hole chamfering structures with different parameters by matching with blades with different sizes and/or angles.

The embodiment of the utility model provides a deep hole reverse-drawing manual processing tool of chamfer, when adopting this processing tool processing part, can insert the back in the part deep hole with the switching pole that is connected with the handle, install the blade in the recess of switching pole and through fixed blade of screw, make the blade treat one side of processing chamfer in the part deep hole, the handle is at the opposite side of deep hole, at this moment, can hold the handle through the hand, make the blade and the part laminating of processing tool, turning handle, the blade cutting part among the drive processing tool, process out the chamfer. The manual processing tool provided by the embodiment of the utility model effectively improves the processing quality and the processing efficiency of parts, has wide processing range, and only needs to adjust the size and the angle of the blade and the size and the length of the switching rod when processing chamfers with different parameters; therefore, the problem of reverse-pulling chamfering of parts in a narrow space is solved, and the product processing efficiency and the product quality are improved.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is a schematic structural view of a deep hole reverse-drawing chamfering manual processing tool provided by an embodiment of the present invention;

fig. 2 is a cross-sectional view of a deep hole reverse-drawing chamfering hand-operated processing tool provided by the embodiment of the utility model shown in fig. 1;

fig. 3 is a schematic view of a part machined by the deep-hole reverse-drawing chamfering manual machining tool provided by the embodiment of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The present invention provides that several specific embodiments below may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

Fig. 1 is the utility model provides a deep hole back-drawing chamfer hand machining instrument's that embodiment provides structural schematic, fig. 2 is the deep hole back-drawing chamfer hand machining instrument's that embodiment of the utility model shown in fig. 1 provides a cross-sectional view. The deep hole reverse-drawing chamfering manual machining tool provided by the embodiment can comprise: handle 1, adapter rod 2, blade 3 and screw 4.

Referring to fig. 1 and 2, the structure of the processing tool mainly comprises a handle 1, an adapter rod 2, a blade 3 and a screw 4. Wherein, handle 1 is connected with the one end of adapting rod 2, and the other end of adapting rod 2 is seted up flutedly for installation blade 3 is provided with the through-hole on the cell wall of recess. It can be seen that the groove at the other end of the adapter rod 2 forms a double-lug connection structure.

The blade 3 in the embodiment of the utility model is an isosceles trapezoid structure, the middle of the blade 3 is provided with a through hole, the blade 3 is arranged in the groove of the adapting rod, and the blade 3 is fixed by passing through the groove and the through hole of the blade through the screw 4; the embodiment of the utility model provides an in blade 3 be used for cutting parts machining chamfer.

Additionally, the embodiment of the utility model provides an in the screw according to blade 3 and the through-hole size of recess choose for use the standard. As shown in figures 1 and 2 of the drawings,

adopt the embodiment of the utility model provides a deep hole counter-pulling chamfer hand-operated machining tool, can be with being connected with the switching pole 2 of handle 1 insert the part deep hole in the back, install blade 3 in switching pole 2's recess and through 4 fixed blades 3 of screw, make blade 3 wait to process one side of chamfer in the part deep hole, handle 1 is at the opposite side of deep hole, at this moment, can hold the handle through the hand, make machining tool's blade 3 and part laminating, turning handle, the blade cutting part among the drive machining tool, process out the chamfer. This manual processing instrument has solved the part and has pulled the problem of chamfer processing in narrow space, promotes product machining efficiency and product quality.

In one implementation manner of the embodiment of the utility model, the handle 1 is a cylindrical structure, and an internal thread is arranged at one end connected with the adapter rod 2; correspondingly, the adapter rod 2 is also of a cylindrical structure, and one end of the adapter rod is provided with an external thread which is matched and installed with the internal thread of the handle 1.

In this implementation, can make the deep hole chamfer processing that the processing instrument can be applicable to different parts through the changeover lever 2 of chooseing for use different length.

The length of the switching rod 2 in the embodiment of the utility model can be determined according to the depth of the processed deep hole chamfer; in addition, the diameter of the adapter rod 2 can be determined according to the size of the chamfer of the processed deep hole.

In another implementation manner of the embodiment of the present invention, the handle 1 and the adapting rod 2 can be configured as an integrally formed structure.

The embodiment of the utility model provides an in, when blade 3 was installed in the recess of switching pole 2, the long bottom of trapezium structure was outside towards the recess, and the cutting edge of two hypotenuses of trapezium structure for being used for the chamfer.

It is required to explain, the utility model provides an in blade 3 can choose for use a plurality of blades of equidimension and angle not, like this, can make the utility model discloses a deep hole back-drawing chamfer hand tool, through the blade of the not equidimension of cooperation and/or angle, the deep hole chamfer structure of processing different parameters.

The utility model discloses among the machining tool, handle 1 and switching pole 2 pass through threaded connection, and blade 3 and switching pole 2 pass through screw 4 and connect. When the chamfer is processed, the processing tool is connected, and the chamfer processing can be completed by rotating the handle 1 by hands. The embodiment of the utility model provides a manual processing instrument has effectively promoted parts machining quality and machining efficiency, and workable scope is wide, when the chamfer of processing different parameters, only need adjust the blade size and the length of angle, switching pole can.

Fig. 3 is a schematic view of a part machined by the deep-hole reverse-drawing chamfering manual machining tool provided by the embodiment of the utility model. As shown in FIG. 3, the embodiment of the present invention provides a deep hole reverse-drawing chamfering manual machining tool, which comprises the following steps:

step 1, when the manual processing tool is used for processing product chamfers, firstly, a switching rod is connected with a handle, and the end, with the external thread, of the switching rod is screwed into the end, with the internal thread, of the handle, and is screwed and fixed;

step 2, inserting the adapter rod into a product hole to be chamfered;

step 3, placing the blade into a groove of the adapter rod, aligning a hole in the middle of the blade with a hole of the adapter rod, placing a screw and fastening the screw to complete the installation of the manual processing tool;

step 4, holding the handle by hand to enable the blade of the manual processing tool to be attached to the part, rotating the handle to drive the blade in the processing tool to cut the part, and processing a chamfer;

and 5, loosening the screw after the chamfer machining is finished, taking out the blade, and taking out the adapter rod.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides a deep hole reverse-pulling chamfer manual processing instrument which characterized in that includes: the handle, the adapter rod, the blade and the screw;

the handle is connected with one end of the adapter rod, the other end of the adapter rod is provided with a groove for mounting a blade, and the wall of the groove is provided with a through hole; the blade is of an isosceles trapezoid structure, a through hole is formed in the middle of the blade, the blade is installed in the groove of the adapter rod, and the blade penetrates through the groove and the through hole of the blade through a screw to be fixed.

2. The deep hole reverse-pulling chamfer manual machining tool according to claim 1,

the handle is of a cylindrical structure, and an internal thread is arranged at one end connected with the adapter rod;

the adapter rod is of a cylindrical structure, and one end of the adapter rod is provided with an external thread which is matched and installed with the internal thread of the handle.

3. The manual deep-hole reverse-pulling chamfering machining tool according to claim 1, wherein the handle and the adapter rod are of an integrally formed structure.

4. The manual deep-hole reverse-pulling chamfering machining tool according to claim 1, wherein when the blade is mounted in the groove of the adapter rod, the long bottom edge of the trapezoid structure faces the outside of the groove, and two oblique edges of the trapezoid structure are cutting edges for chamfering.

5. The deep hole reverse-pulling chamfering manual processing tool according to any one of claims 1 to 4,

the length of the adapter rod is determined according to the depth of the processed deep hole chamfer;

the diameter of the adapter rod is determined according to the size of the chamfer of the processed deep hole.

6. The deep hole reverse-pulling chamfer manual machining tool according to any one of claims 1 to 4, wherein the blade comprises a plurality of blades of different sizes and angles;

the deep hole reverse-pulling chamfering manual processing tool is used for processing deep hole chamfering structures with different parameters by matching with blades with different sizes and/or angles.

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