CN217166794U - Vertical type inside groove reamer - Google Patents

Abstract

The utility model discloses a vertical type inside groove reamer relates to reamer technical field, including the cutter body, the top of cutter body sets up to the exposed core, the bottom of cutter body is provided with cutting edge and chip groove, the outside slip cover of cutter body is equipped with the guide pin bushing, the internally mounted of guide pin bushing has the post of scraping that corresponds the chip groove setting, it sliding fit in the inside of chip groove to scrape the post, the adapter sleeve is installed at the top of cutter body, the first spring of fixedly connected with between adapter sleeve and the guide pin bushing. The utility model discloses a set up the guide pin bushing in the outside of cutter body for scrape the post and can slide in the inside of chip groove, and then support the connection through first spring to the guide pin bushing, finishing processing, the reamer shifts out the back, under the promotion of first spring, the guide pin bushing outwards extends, and then can utilize and scrape the piece release of post in with the chip groove, avoids the piece card to go into influences follow-up processing in the chip groove, improves the machining efficiency of reamer.

Description

Vertical internal groove reamer

Technical Field

The utility model relates to a reamer technical field, concretely relates to vertical type inside groove reamer.

Background

The reamer is a rotary tool having one or more teeth for cutting a thin layer of metal on the surface of a machined hole, and the reamer is a rotary finishing tool having a straight edge or a helical edge for reaming or repairing a hole.

The processing precision requirement of the reamer is usually higher than that of a drill bit due to the small cutting amount, and the reamer can be operated manually or mounted on a drilling machine for working.

The reamer is divided into a straight flute reamer and a spiral flute reamer according to the tooth space direction, the vertical internal flute reamer is convenient to manufacture and wide in application, but the existing vertical internal flute reamer is easy to block by scraps generated in processing due to the fact that the chip discharge groove is long, and therefore the chip discharge groove needs to be cleaned after processing is finished every time, and the service efficiency of the reamer is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical type inside groove reamer to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a vertical type inside groove reamer, includes the cutter body, the top of cutter body sets up to the exposed core, the bottom of cutter body is provided with cutting edge and chip groove, the outside slip cover of cutter body is equipped with the guide pin bushing, the internally mounted of guide pin bushing has the post of scraping that corresponds the chip groove setting, it sliding fit in the inside of chip groove to scrape the post, the adapter sleeve is installed at the top of cutter body, the first spring of fixedly connected with between adapter sleeve and the guide pin bushing.

Preferably, the top end of the cutter body is provided with a connecting part, and the connecting sleeve is sleeved outside the connecting part in a threaded manner.

Preferably, the bottom end of the guide sleeve is provided with a positioning sleeve, and the positioning sleeve is rotatably sleeved outside the guide sleeve.

Preferably, a mounting hole is formed in the side wall of the guide sleeve, the scraping column is inserted into the mounting hole, the outer end of the scraping column is connected with a guide column, the guide column penetrates through the mounting hole and extends to the outside, an inner concave ring groove is formed in the positioning sleeve, and the guide column is slidably mounted in the inner concave ring groove.

Preferably, a second spring is fixedly connected between the guide post and the scraping post.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the utility model discloses an outside at the cutter body sets up the guide pin bushing, make the guide pin bushing can be in the outside slip at cutting edge and chip groove position, thereby scrape the post through the internally mounted at the guide pin bushing, make and scrape the post and can slide in the inside of chip groove, and then utilize the installation adapter sleeve, and support the guide pin bushing through first spring and connect, in actual processing, the work surface is hugged closely to the position sleeve of guide pin bushing bottom, along with deepening processing of reamer, the guide pin bushing stops at the work surface, and first spring is compressed, thereby finishing processing, the reamer shifts out the back, under the promotion of first spring, the guide pin bushing outwards extends, and then can utilize to scrape the piece release that the post will chip groove, avoid the piece card to go into the chip groove and influence subsequent processing, the machining efficiency of improvement reamer.

2. The utility model discloses a set up the mounting hole and be used for the installation to scrape the post, and then when actual equipment, can overlap the position sleeve outside the guide pin bushing earlier, will scrape post and guide pillar at the guide pin bushing inboard afterwards and insert to the mounting hole in, make the guide pillar insert the location in the indent annular, realize the rotation joint support to the position sleeve, scrape the post simultaneously and aim at chip groove card income back, the elasticity of second spring promotes down to make and scrapes post and guide pillar and sticis respectively in chip groove and indent annular, realize firm the connection, and utilize the screw of adapter sleeve and connecting portion to cup joint, can be convenient carry out quick dismouting to adapter sleeve and guide pin bushing, thereby very big improvement the machining efficiency of reamer, great improvement the convenience and the practicality of reamer equipment.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion of fig. 1 according to the present invention.

Fig. 3 is a bottom view of the present invention.

Description of the reference numerals:

1. a cutter body; 11. a cutting edge; 12. a chip groove; 13. a connecting portion; 2. a guide sleeve; 21. scraping the column; 22. mounting holes; 23. a second spring; 24. a guide post; 3. connecting sleeves; 31. a first spring; 4. a positioning sleeve; 41. and an inner concave ring groove.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Example 1

The invention provides a vertical internal groove reamer shown in figures 1-3, which comprises a reamer body 1, wherein the top end of the reamer body 1 is set as a clamping end, the bottom of the reamer body 1 is provided with a cutting edge 11 and a chip groove 12, the outer part of the reamer body 1 is slidably sleeved with a guide sleeve 2, a scraping column 21 arranged corresponding to the chip groove 12 is arranged inside the guide sleeve 2, the scraping column 21 is in sliding fit with the inner part of the chip groove 12, the top of the reamer body 1 is provided with a connecting sleeve 3, and a first spring 31 is fixedly connected between the connecting sleeve 3 and the guide sleeve 2;

further, in the above technical solution, referring to the drawings, the top end of the cutter body 1 is provided with a connecting portion 13, and the connecting sleeve 3 is in threaded sleeve connection with the outside of the connecting portion 13, so that the guide sleeve 2 and the connecting sleeve 3 can be conveniently mounted and dismounted;

further, in the above technical solution, referring to the drawing, the bottom end of the guide sleeve 2 is provided with a positioning sleeve 4, and the positioning sleeve 4 is rotatably sleeved outside the guide sleeve 2, so that the guide sleeve 2 can be prevented from directly contacting with a workpiece to cause rotational friction loss;

example 2

The vertical internal groove reamer shown in fig. 2 comprises a reamer body 1, wherein the top end of the reamer body 1 is provided with a clamping end, the bottom of the reamer body 1 is provided with a cutting edge 11 and a chip discharge groove 12, a guide sleeve 2 is slidably sleeved outside the reamer body 1, a scraping column 21 arranged corresponding to the chip discharge groove 12 is installed inside the guide sleeve 2, the scraping column 21 is slidably matched inside the chip discharge groove 12, a connecting sleeve 3 is installed at the top of the reamer body 1, and a first spring 31 is fixedly connected between the connecting sleeve 3 and the guide sleeve 2;

further, in the above technical solution, referring to the drawing, a positioning sleeve 4 is disposed at the bottom end of the guide sleeve 2, and the positioning sleeve 4 is rotatably sleeved outside the guide sleeve 2;

further, in the above technical solution, referring to the drawing, a mounting hole 22 is formed in the side wall of the guide sleeve 2, the scraping column 21 is inserted into the mounting hole 22, the outer end of the scraping column 21 is connected with a guide pillar 24, the guide pillar 24 penetrates through the mounting hole 22 and extends to the outside, an inner concave ring groove 41 is formed in the positioning sleeve 4, and the guide pillar 24 is slidably mounted in the inner concave ring groove 41, so that the installation of the scraping column 21 can be facilitated, and the positioning sleeve 4 can be conveniently installed;

further, in the above technical solution, referring to the drawing, a second spring 23 is fixedly connected between the guide post 24 and the scraping post 21, and then the scraping post 21 and the guide post 24 are respectively pressed tightly in the chip groove 12 and the concave ring groove 41 under the pushing of the elastic force of the second spring 23, so as to realize a stable connection;

the working principle is as follows: the guide sleeve 2 is arranged outside the cutter body 1, so that the guide sleeve 2 can slide outside the positions of the cutting edge 11 and the chip groove 12, the scraping column 21 is arranged inside the guide sleeve 2, the scraping column 21 can slide inside the chip groove 12, the connecting sleeve 3 is further installed, the guide sleeve 2 is supported and connected through the first spring 31, when in actual processing, the positioning sleeve 4 at the bottom of the guide sleeve 2 is tightly attached to the surface of a workpiece, the guide sleeve 2 stays on the surface of the workpiece along with the deep processing of the reamer, the first spring 31 is compressed, the guide sleeve 2 extends outwards under the pushing of the first spring 31 after the reamer is moved out after the reamer is processed, the scraps in the chip groove 12 can be pushed out through the scraping column 21, the scraps are prevented from being clamped into the chip groove 12 to influence on the subsequent processing, the processing efficiency of the reamer is improved, and meanwhile, the mounting hole 22 is used for mounting the scraping column 21, furthermore, when in actual assembly, the positioning sleeve 4 can be firstly sleeved outside the guide sleeve 2, then the inner side of the guide sleeve 2 is inserted into the mounting hole 22 by the scraping column 21 and the guide column 24, the guide column 24 is inserted into the concave ring groove 41 for positioning, the positioning sleeve 4 is rotatably connected and supported, meanwhile, the scraping column 21 is aligned with the chip groove 12 and is clamped into the back, the scraping column 21 and the guide column 24 are respectively tightly pressed in the chip groove 12 and the concave ring groove 41 under the pushing of the elastic force of the second spring 23, the stable connection is realized, the connecting sleeve 3 is sleeved with the connecting part 13 by the screw thread, the connecting sleeve 3 and the guide sleeve 2 can be conveniently and quickly disassembled and assembled, the machining efficiency of the reamer is greatly improved, and the convenience and the practicability of the reamer assembly are greatly improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (5)

1. The utility model provides a vertical type inside groove reamer, includes cutter body (1), the top of cutter body (1) sets up to the exposed core, the bottom of cutter body (1) is provided with cutting edge (11) and chip groove (12), its characterized in that: the outside slip cover of cutter body (1) is equipped with guide pin bushing (2), the internally mounted of guide pin bushing (2) has scraping post (21) that corresponds chip groove (12) and set up, scrape inside in post (21) sliding fit in chip groove (12), adapter sleeve (3) are installed at the top of cutter body (1), first spring (31) of fixedly connected with between adapter sleeve (3) and guide pin bushing (2).

2. The upright internal groove reamer of claim 1, wherein: the top of cutter body (1) is provided with connecting portion (13), adapter sleeve (3) screw thread cup joints in the outside of connecting portion (13).

3. The upright internal groove reamer of claim 1, wherein: the bottom end of the guide sleeve (2) is provided with a positioning sleeve (4), and the positioning sleeve (4) is rotatably sleeved outside the guide sleeve (2).

4. The upright internal groove reamer of claim 3, wherein: the guide pin sleeve is characterized in that a mounting hole (22) is formed in the side wall of the guide sleeve (2), the scraping column (21) is inserted into the mounting hole (22), the outer end of the scraping column (21) is connected with a guide column (24), the guide column (24) penetrates through the mounting hole (22) and extends to the outside, an inner concave ring groove (41) is formed in the positioning sleeve (4), and the guide column (24) is slidably mounted inside the inner concave ring groove (41).

5. The upright internal groove reamer of claim 4, wherein: a second spring (23) is fixedly connected between the guide post (24) and the scraping post (21).

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