CN221603390U - Diameter-adjustable high-precision reamer - Google Patents

Abstract

The utility model relates to the technical field of high-precision reamers, in particular to a diameter-adjustable high-precision reamer which comprises a reamer handle assembly, wherein one end of the reamer handle assembly is provided with a reamer working assembly, the inner surface wall of the reamer working assembly is provided with a reamer adjusting assembly, the reamer head size is changed by arranging the reamer adjusting assembly and inserting the reamer adjusting assembly into a reamer head by using an adjusting screw and using a filling expansion mode, and can be according to adjusting screw insertion depth, and then realized reamer head at the fine setting between 0.001cm-0.02cm, adjusting screw circumference surface drawing is 6 limit shape and has avoided the condition that the sword tool bit does not rotate when comparing the sword cutter arbor and rotate to through setting up reamer handle subassembly, and set up the water inlet and make the reamer convenient water work that adds in the in-process of using, played and protected the reamer in the very big degree again when reducing reamer operating temperature.

Description

Diameter-adjustable high-precision reamer

Technical Field

The utility model relates to the technical field of high-precision reamers, in particular to a diameter-adjustable high-precision reamer.

Background

The reamer is a rotary cutter with one or more cutter teeth for cutting off thin metal on the surface of a machined hole, and a rotary finishing cutter with a straight edge or a spiral edge for reaming or repairing holes.

The utility model provides an authorized bulletin number CN212470026U reamer, includes centre gripping handle of a knife, tool bit main part and cutting part, the one end and the centre gripping handle of a knife of tool bit main part link to each other, the other end and the cutting part of tool bit main part link to each other, be equipped with a plurality of cutting edges that are helical structure on the cutting part, the cutting edge still extends to the tool bit main part on, the length of the extension section of cutting edge is less than or equal to the length of 2/3 tool bit main part, is equipped with helical structure's chip groove between the adjacent cutting edge, the chip groove is equipped with the extension section groove, and the extension length of extension section groove is greater than or equal to the length of the extension section of cutting edge, is adjacent for equidistant interval setting between the cutting edge, the height of cutting edge is 0.3 ~ 0.5:1 with the radius ratio of cutting part, the width of chip groove is 1.5 ~ 2:1 with the width ratio of cutting edge, the depth of chip groove is 0.3 ~ 0.5:1 with the radius ratio of cutting part.

However, the above and other typical prior art techniques have certain problems in use:

1. the reamer of this patent is when using, can't change the cutting borehole size of reamer according to the demand and then, and then makes when the reamer is repaiied the hole, need reassemble the reamer of suitable size according to the requirement, influences work efficiency.

2. When the reamer is used, the reamer needs to rotate at a high speed, but the reamer rotating at the high speed often has extremely high temperature, and when the temperature of the reamer is high, the reamer is extremely easy to damage, so that the service life of the reamer is shortened.

Disclosure of utility model

The utility model aims to provide a high-precision reamer with adjustable diameter, which solves the problem that the reamer cannot be adjusted in the prior art, and the problem that the reamer is inconvenient to operate manually.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The diameter-adjustable high-precision reamer comprises a reamer handle assembly, wherein one end of the reamer handle assembly is provided with a reamer working assembly, and the inner surface wall of the reamer working assembly is provided with a reamer adjusting assembly;

The reamer adjusting assembly comprises an adjusting screw, one end of the adjusting screw is communicated with a hollow threaded pipe, a pentagonal communication hole is formed in the other end of the adjusting screw, and a screw water outlet hole is formed in the outer surface wall of the adjusting screw;

The reamer work assembly comprises a reamer main body, one end of the reamer main body is communicated with a reamer head, reamer blades are fixedly connected to the outer surface wall of the reamer head, six reamer blades are arranged, reamer water outlets are formed in the six reamer blades, and adjusting holes are formed in the inner surface wall of the reamer head.

As a preferable scheme of the utility model, the reamer handle assembly comprises a reamer cutter bar, and one end of the reamer cutter bar is communicated with a reamer neck pipe.

As a preferable scheme of the reamer, one end of the reamer neck is communicated with a connecting pipe, and the inner surface wall of the reamer rod is provided with a water inlet.

As a preferable mode of the utility model, the reamer body is arranged on the connecting pipe, and the reamer body is communicated with the connecting pipe.

As a preferable mode of the utility model, the hollow threaded pipe is arranged on the inner surface wall of the connecting pipe, and the hollow threaded pipe is in threaded connection with the connecting pipe.

As a preferable scheme of the utility model, the adjusting screw is arranged on the reamer head, and the adjusting screw is abutted with the reamer head.

In a preferred embodiment of the present utility model, the adjusting screw is made of alloy steel.

In a preferred embodiment of the present utility model, the hollow threaded pipe is made of alloy steel.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the reamer head, the reamer adjusting assembly is arranged, the adjusting screw is inserted into the reamer head, the size of the reamer head is changed in a filling expansion mode, fine adjustment of the reamer head between 0.001mm and 0.02mm can be further achieved according to the insertion depth of the adjusting screw, and the situation that the reamer head does not rotate when the reamer bar rotates is avoided due to the fact that the surface drawing of the adjusting screw is 6-sided.

2. According to the reamer disclosed by the utility model, the reamer handle assembly is arranged, and the water inlet hole is formed, so that the reamer can conveniently feed water in the using process, the working temperature of the reamer is reduced, the thermal abrasion of the reamer is reduced, and the service life of the reamer is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a reamer adjustment assembly of the present utility model;

FIG. 3 is a side view of the present utility model;

Fig. 4 is a cross-sectional view of the present utility model.

In the figure: 1. a reamer handle assembly; 101. reamer bar; 102. reamer neck; 103. a connecting pipe; 104. a water inlet hole; 2. a reamer working assembly; 201. a reamer body; 202. reamer heads; 203. reamer blades; 204. reamer water outlet hole; 205. an adjustment aperture; 3. a reamer adjustment assembly; 301. an adjusting screw; 302. a hollow threaded tube; 303. screw water outlet hole; 304. pentagonal communication hole.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a diameter adjustable high accuracy reamer, includes reamer handle subassembly 1, and reamer handle subassembly 1's one end is provided with reamer work subassembly 2, and reamer work subassembly 2's interior table wall is provided with reamer adjustment subassembly 3.

In this embodiment, referring to fig. 1 and 2, the reamer adjusting assembly 3 includes an adjusting screw 301, one end of the adjusting screw 301 is communicated with a hollow threaded pipe 302, the other end of the adjusting screw 301 is provided with a pentagonal communication hole 304, and the outer surface wall of the adjusting screw 301 is provided with a screw water outlet 303;

The advantage of such design is that the working size of the cutter head can be finely adjusted by inserting the adjusting screw 301, so that the cutter head is more convenient and quick to use.

In this embodiment, referring to fig. 1 and 2, the reamer working assembly 2 includes a reamer main body 201, one end of the reamer main body 201 is communicated with a reamer head 202, an outer surface wall of the reamer head 202 is fixedly connected with reamer blades 203, the reamer blades 203 are provided with six reamer water outlet holes 204, the six reamer blades 203 are all provided with reamer water outlet holes 204, and an inner surface wall of the reamer head 202 is provided with adjusting holes 205;

The reamer head 202 has good heat dissipation effect by the design, and the service life of the reamer head is prolonged.

In this embodiment, referring to fig. 1 and 3, the reamer handle assembly 1 includes a reamer arbor 101, one end of the reamer arbor 101 is communicated with a reamer neck 102, one end of the reamer neck 102 is communicated with a connecting pipe 103, an inner surface wall of the reamer arbor 101 is provided with a water inlet 104, a reamer main body 201 is arranged on the connecting pipe 103, the reamer main body 201 is communicated with the connecting pipe 103, a hollow threaded pipe 302 is arranged on an inner surface wall of the connecting pipe 103, the hollow threaded pipe 302 is in threaded connection with the connecting pipe 103, an adjusting screw 301 is arranged on a reamer head 202, the adjusting screw 301 is abutted against the reamer head 202, the adjusting screw 301 is made of alloy steel, and the hollow threaded pipe 302 is made of alloy steel;

Through such design for the reamer can lead to water in the in-process of using and cool down, and then avoid the reamer overheated when using.

The working flow of the utility model is as follows: when the diameter-adjustable high-precision reamer designed by the scheme is used in operation, when micro-adjustment is needed to be carried out on the reamer head 202, the adjusting screw 301 is firstly required to be inserted into the reamer head 202, then the adjusting screw 301 can be inserted into the reamer head 202 according to the insertion depth of the adjusting screw 301, water can be injected along the water inlet 104 in the using process of the reamer, and the injected water flows out along the reamer water outlet 204, so that redundant heat on the reamer is taken away.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a diameter adjustable high accuracy reamer, includes reamer handle subassembly (1), its characterized in that: one end of the reamer handle assembly (1) is provided with a reamer working assembly (2), and the inner surface wall of the reamer working assembly (2) is provided with a reamer adjusting assembly (3);

The reamer adjusting assembly (3) comprises an adjusting screw (301), one end of the adjusting screw (301) is communicated with a hollow threaded pipe (302), a pentagonal communication hole (304) is formed in the other end of the adjusting screw (301), and a screw water outlet hole (303) is formed in the outer surface wall of the adjusting screw (301);

Reamer work subassembly (2) are including reamer main part (201), reamer head (202) are had been linked together to the one end of reamer main part (201), the outward appearance wall fixedly connected with reamer blade (203) of reamer head (202), reamer blade (203) are provided with six, six reamer apopore (204) have all been seted up to reamer blade (203), regulation hole (205) have been seted up to the interior surface wall of reamer head (202).

2. The diameter adjustable high precision reamer of claim 1, wherein: the reamer handle assembly (1) comprises a reamer cutter bar (101), and one end of the reamer cutter bar (101) is communicated with a reamer neck pipe (102).

3. The diameter adjustable high precision reamer of claim 2, wherein: one end of the reamer neck pipe (102) is communicated with a connecting pipe (103), and a water inlet hole (104) is formed in the inner surface wall of the reamer rod (101).

4. The diameter adjustable high precision reamer of claim 1, wherein: the reamer body (201) is arranged on the connecting pipe (103), and the reamer body (201) is communicated with the connecting pipe (103).

5. The diameter adjustable high precision reamer of claim 1, wherein: the hollow threaded pipe (302) is arranged on the inner surface wall of the connecting pipe (103), and the hollow threaded pipe (302) is in threaded connection with the connecting pipe (103).

6. The diameter adjustable high precision reamer of claim 1, wherein: the adjusting screw (301) is arranged on the reamer head (202), and the adjusting screw (301) is abutted with the reamer head (202).

7. The diameter adjustable high precision reamer of claim 1, wherein: the adjusting screw (301) is made of alloy steel.

8. The diameter adjustable high precision reamer of claim 1, wherein: the hollow threaded pipe (302) is made of alloy steel.