CN216912125U

CN216912125U - Special cutter for processing circular groove

Info

Publication number: CN216912125U
Application number: CN202122993384.XU
Authority: CN
Inventors: 管高峰
Original assignee: Suzhou Greefu M&e Technology Co ltd
Current assignee: Suzhou Greefu M&e Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-07-08
Anticipated expiration: 2031-12-01

Abstract

The utility model provides a purpose-built cutter of ring groove processing, including handle of a knife, cutter arbor, No. two cutter arbor and cutter arbor frocks, a cutter arbor and No. two cutter arbor all include pole portion and tool bit, and the tool bit is provided with the mounting groove, and the cutter arbor frocks are provided with the through-hole No. one, and the handle of a knife passes through-hole No. one and cutter arbor frocks fixed connection. The cutter arbor frock still is provided with the through-hole No. two that is used for installing the cutter arbor, a through-hole No. three that is used for installing the cutter arbor No. two, the pole portion setting of cutter arbor No. two is in No. two through-holes, the pole portion setting of cutter arbor No. two is in No. three through-holes, the tool bit is located the cutter arbor frock outside, No. one through-hole, No. two through-holes and No. three through-holes are on same straight line, the interval of No. one through-hole and No. two through-holes is unequal with the interval of No. one through-hole and No. three through-holes, make the internal diameter of the milling circular groove of the blade in the cutter arbor No. two, the external diameter of the blade milling circular groove in the cutter arbor No. two. The advantages are that: guarantee can not have residual iron fillings in the groove, avoided the cutter because iron fillings card sword cracked condition even.

Description

Special cutter for processing circular groove

Technical Field

The utility model relates to the field of machining, in particular to a special cutter for machining a circular groove.

Background

In the prior art, a milling cutter is usually adopted for processing a circular groove, a 4mm wide annular deep groove exists in a half drawer structure of an all-steel magnetic plate, a tungsten steel milling cutter is used for annular cutting in a mode of processing the circular deep groove by using the milling cutter, the circular groove which is wider than the circular groove and has the width of 10mm can be processed smoothly, but when the circular deep groove with the width of 4mm is milled by using the tungsten steel milling cutter, iron chips milled out are similar to fine sand and can be blocked in the groove, so that the tungsten steel milling cutter is easy to break, the milled circle is not very round, the processing efficiency is very low, and the size precision of a processed product is very poor.

In view of the above, it is necessary to provide a special tool for machining circular grooves.

SUMMERY OF THE UTILITY MODEL

The special cutter for processing the circular groove effectively overcomes the defects that a milling cutter is easy to break and the size precision of the circular groove is low when the circular groove is processed in the prior art.

The technical scheme adopted by the utility model is as follows:

the utility model provides a purpose-built cutter of annular groove processing, includes handle of a knife, cutter arbor, No. two cutter arbor and cutter arbor frocks, No. one cutter arbor and No. two cutter arbor all include pole portion and tool bit, the tool bit is provided with the mounting groove that is used for installing the blade, be provided with the through-hole No. one in the cutter arbor frocks, the handle of a knife passes through-hole No. one and cutter arbor frocks fixed connection. The cutter arbor frock still is provided with No. two through-holes that are used for installing the cutter arbor, is used for installing No. three through-holes of No. two cutter arbors, the pole portion setting of a cutter arbor is in No. two through-holes, the pole portion setting of No. two cutter arbors is in No. three through-holes, the tool bit is located the cutter arbor frock outside, a through-hole, No. two through-holes and No. three through-holes are on same straight line, the interval of a through-hole and No. two through-holes and the interval of a through-hole and No. three through-holes vary for the internal diameter of the blade milling circular groove in the cutter arbor, the external diameter of the blade milling circular groove in No. two cutter arbors.

Further, the method comprises the following steps: the cutter bar tool is provided with a first groove and a second groove, the cutter handle is provided with a first lug and a second lug, the first lug is clamped in the first groove, and the second lug is clamped in the second groove.

Further, the method comprises the following steps: the first groove and the second groove are symmetrical relative to the center of the first through hole, the first groove and the second groove are the same in width, and the first lug and the second lug are the same in width.

Further, the method comprises the following steps: and arc grooves are formed in the four corners of the second through hole and the four corners of the third through hole.

Further, the method comprises the following steps: the connection part of the rod part and the cutter head is provided with a bulge.

The utility model has the beneficial effects that:

1. set up cutter arbor and No. two cutter arbor, let the iron fillings of cutting be the banding discharge, guarantee the inslot can not have residual iron fillings, avoided the cutter because iron fillings broach cracked condition even.

2. The tool holder is provided with the first protruding block and the second protruding block, and connection between the tool holder and the tool bar tool can be guaranteed to be more firm.

Drawings

FIG. 1 is an exploded view of a ring groove machining specialty cutter according to an embodiment of the present application;

FIG. 2 is a schematic overall structure diagram of a special cutter for machining a circular groove according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a tool shank of a special tool for machining a circular groove according to an embodiment of the application;

labeled as: 1. a knife handle; 2. a first cutter bar; 3. a second cutter bar; 4. a cutter bar tool; 5. an arc groove; 201. a rod portion; 202. a cutter head; 203. a protrusion; 2022. mounting grooves; 101. a first bump; 102. a second bump; 401. a first through hole; 402. a second through hole; 403. a third through hole; 404. a first groove; 405. a second groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the embodiment of the application discloses a purpose-built cutter of annular groove processing, including handle of a knife 1, cutter arbor 2, No. two cutter arbor 3 and cutter arbor frock 4, cutter arbor 2 and No. two cutter arbor 3 all include pole portion 201 and tool bit 202, tool bit 202 is provided with mounting groove 2022 that is used for the installation blade, be provided with No. one through-hole 401 in the cutter arbor frock 4, handle of a knife 1 passes No. one through-hole 401 and cutter arbor frock 4 fixed connection. The cutter bar tool 4 is further provided with a second through hole 402 for installing the first cutter bar 2 and a third through hole 403 for installing the second cutter bar 3. A pole portion 201 of cutter arbor 2 sets up in No. two through-holes 402, pole portion 201 of No. two cutter arbor 3 sets up in No. three through-holes 403, tool bit 202 is located the cutter arbor frock 4 outside, No. one through-hole 401, No. two through-holes 402 and No. three through-holes 403 are on same straight line, the interval of No. one through-hole 401 and No. two through-holes 402 and the interval of No. one through-hole 401 and No. three through-holes 403 are unequal for the internal diameter of the milling circular groove of the blade in cutter arbor 2, the external diameter of the blade milling circular groove in No. two cutter arbor 3.

The during operation, install the blade on mounting groove 2022 of a cutter arbor 2 and No. two cutter arbor 3, align the blade with the steel member of waiting to cut, utilize external equipment to drive handle of a knife 1 and rotate, handle of a knife 1 drives cutter arbor frock 4 and rotates for the blade that is arranged in a cutter arbor 2 and No. two cutter arbor 3 rotates along the direction of ring groove, the blade in a cutter arbor 2 is to the internal diameter cutting of ring groove, the blade in No. two cutter arbor 3 cuts the external diameter of ring groove.

In the above-mentioned design, set up No. two through-holes 402 and No. three through-holes 403 and No. one through-hole 401 on a straight line, and make the internal diameter of the blade milling circular groove in the cutter arbor 2, the external diameter of the blade milling circular groove in the cutter arbor 3 No. two, both guaranteed that iron fillings in the circular groove can be banded discharge, cutter arbor 2 and No. two cutter arbor 3 and No. one through-hole 401 are on a straight line, only set up one in No. two through-holes 402 or No. three through-holes 403 in the comparison, can make milling man-hour to the circular groove, cutter arbor frock 4 atress is more balanced, the blade atress is more even, the difficult rupture of blade.

Specifically, the method comprises the following steps: as shown in fig. 1 and 2, the tool bar tooling 4 is provided with a first groove 404 and a second groove 405, the tool shank 1 is provided with a first protrusion 101 and a second protrusion 102, the first protrusion 101 is clamped in the first groove 404, and the second protrusion 102 is clamped in the second groove 405.

During operation, the cutter handle 1 is driven by external equipment to drive the cutter bar tool 4 to rotate.

In the above design, through setting up first recess 404, second recess 405, the first lug 101 of joint in first recess 404, the second lug 102 of joint in second recess 405, can make the connection between cutter arbor frock 4 and the handle of a knife 1 more inseparable, guarantee that cutter arbor frock 4 is difficult for droing with handle of a knife 1 when following handle of a knife 1 synchronous rotation.

Specifically, the method comprises the following steps: as shown in fig. 1, the first groove 404 and the second groove 405 are symmetrical with respect to the center of the first through hole 401, the first groove 404 and the second groove 405 have the same width, and the first bump 101 and the second bump 102 have the same width.

In the above design, the first groove 404 and the second groove 405 are symmetrical about the center of the through hole, so that the torque force of the tool holder 1 acting on the tool holder tool 4 is maximum, and the tool holder 1 is conveniently driven to rotate. The widths of the first groove 404 and the second groove 405 are the same, and the widths of the first lug 101 and the second lug 102 are the same, so that the design is convenient to process, and simultaneously, the same acting force on the cutter bar tool 4 at the positions of the first groove 404 and the second groove 405 is ensured.

Specifically, the method comprises the following steps: as shown in fig. 1 and fig. 2, arc grooves 5 are disposed at four corners of the second through hole 402 and four corners of the third through hole 403.

In the design, the arc grooves 5 are formed in the four corners of the second through hole 402 and the four corners of the third through hole 403, so that the tool shank 1 is convenient to mount, and the clearance avoiding effect can be achieved.

Specifically, the method comprises the following steps: as shown in fig. 3, a protrusion 203 is provided at the connection of the shaft 201 and the cutter head 202.

During assembly, the rod portion 201 is installed from below the tool bar 4, so that the tool bit 202 is located below the tool bar 4.

In the above design, the protrusion 203 is arranged to enable the tool bit 202 to slide along the second through hole 402 or the third through hole 403 without driving the rod portion 201 to slide up due to the reaction force of the circular groove on the tool bit 202 when the tool bit 202 cuts a circular ring, so as to ensure that the blade can cut the circular groove normally.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a purpose-built cutter of ring groove processing, includes handle of a knife (1), cutter arbor (2), No. two cutter arbor (3) and cutter arbor frock (4), cutter arbor (2) and No. two cutter arbor (3) all include pole portion (201) and tool bit (202), tool bit (202) are provided with mounting groove (2022) that are used for the installation blade, be provided with one number through-hole (401) in the cutter arbor frock, handle of a knife (1) passes one number through-hole (401) and cutter arbor frock (4) fixed connection, its characterized in that: cutter arbor frock (4) still are provided with No. two through-holes (402) that are used for installing cutter arbor (2), are used for installing No. three through-holes (403) of No. two cutter arbor (3), pole portion (201) of a cutter arbor (2) set up in No. two through-holes (402), pole portion (201) of No. two cutter arbor (3) set up in No. three through-holes (403), tool bit (202) are located the cutter arbor frock (4) outside, No. one through-hole (401), No. two through-holes (402) and No. three through-holes (403) are on same straight line, the interval of No. one through-hole (401) and No. two through-holes (402) and the interval of No. one through-hole (401) and No. three through-holes (403) are not equal for the internal diameter of blade milling circular groove in cutter arbor (2), the external diameter of blade milling circular groove in No. two cutter arbor (3).

2. The special tool for machining the circular ring groove as claimed in claim 1, wherein: the cutter bar tool (4) is provided with a first groove (404) and a second groove (405), the cutter handle (1) is provided with a first lug (101) and a second lug (102), the first lug (101) is clamped in the first groove (404), and the second lug (102) is clamped in the second groove (405).

3. The special tool for machining the circular ring groove as claimed in claim 2, wherein: the first groove (404) and the second groove (405) are centrosymmetric relative to the first through hole (401), the first groove (404) and the second groove (405) are the same in width, and the first bump (101) and the second bump (102) are the same in width.

4. The special tool for machining the circular ring groove as claimed in claim 1, wherein: and arc grooves (5) are formed in the four corners of the second through hole (402) and the four corners of the third through hole (403).

5. The special tool for machining the circular ring groove as claimed in claim 1, wherein: a bulge (203) is arranged at the connection part of the rod part (201) and the cutter head (202).