CN218694258U

CN218694258U - PCB milling cutter convenient to installation

Info

Publication number: CN218694258U
Application number: CN202222226348.5U
Authority: CN
Inventors: 郑小松
Original assignee: Dongguan Wen Feng Tools Ltd
Current assignee: Dongguan Wen Feng Tools Ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-03-24
Anticipated expiration: 2032-08-23

Abstract

The utility model belongs to the technical field of the cutter, especially, relate to a PCB milling cutter convenient to installation, including cutter body and silica gel cover, the silica gel cover is the ascending structure of opening, and cutter body mills the opening setting that the end passed the silica gel cover and at the intracavity of opening of silica gel cover. The cutter body is sleeved with a positioning ring in a sliding manner, and a plurality of counter bores are further formed in the positioning ring. The upper end of the cutter body is provided with a plurality of groups of mounting parts corresponding to the positioning rings, each mounting part is provided with a threaded hole corresponding to the counter sink, and the screw penetrates through the counter sink and is connected with the threaded hole. The elastic element is arranged on the positioning ring, one end of the elastic element penetrates through the opening of the silica gel sleeve to be connected with the bottom end of the silica gel sleeve, and the other end of the elastic element is abutted to the positioning ring. When the cutter body is installed, one end of the elastic element on the silica gel sleeve is abutted to the silica gel sleeve, the other end of the elastic element is abutted to the positioning ring, so that the cutter body is installed on the three-jaw chuck, no gap exists between the positioning ring on the cutter and the three-jaw chuck, and the positioning is more accurate.

Description

PCB milling cutter convenient to installation

Technical Field

The utility model belongs to the technical field of the cutter, especially, relate to a PCB milling cutter convenient to installation.

Background

PCB cutter is also known as aluminium base board gong sword, there are fishtail type and drill point type aluminium base board milling cutter (two sword milling cutter) two kinds, special design is emphasizing on milling cutter life and arranges and cuts the effect, including the PCB cutter body, in the prior art, when the PCB cutter body is installed, it aims at the mounted position of three-jaw chuck to need a staff handheld PCB cutter body usually, another hand operation three-jaw chuck carries out the location installation, or need many staff's cooperation to go on, because the cutting edge of PCB cutter body exposes outside under this kind of condition, there is certain potential safety hazard, and can't reach the convenience and hold and fix a position the result of use of placing when not using. When the PCB cutter is installed, because the thicknesses of the PCBs of different styles are different, the cutter needs to be adjusted after the PCB cutter is installed every time, the PCBs are wasted, and time cost and labor cost are increased. Therefore, there is a strong need for a PCB cutter which is easy to install, so as to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB milling cutter convenient to installation need carry out the tool setting and hold PCB cutter technical problem such as unsafe when aiming at solving the installation PCB cutter among the prior art.

In order to achieve the above object, the embodiment of the utility model provides a pair of PCB milling cutter convenient to installation, including cutter body and silica gel cover, the silica gel cover is the ascending intracavity structure of opening, and cutter body mills the opening setting that the end passed the silica gel cover and at the intracavity of opening of silica gel cover. The cutter body is sleeved with a positioning ring in a sliding manner, and a plurality of counter bores are further formed in the positioning ring. The upper end of the cutter body is provided with a plurality of groups of mounting parts corresponding to the positioning rings, each mounting part is provided with a threaded hole corresponding to the counter sink, and the screw penetrates through the counter sink and is connected with the threaded hole. The elastic element is arranged between the silica gel sleeve and the positioning ring, one end of the elastic element penetrates through the opening of the silica gel sleeve to be connected with the bottom end of the silica gel sleeve, and the other end of the elastic element is abutted to the positioning ring.

Furthermore, the installation parts are distributed at the upper end of the cutter body at equal intervals.

Furthermore, the bottom of holding ring still is equipped with a mounting groove, and the mounting groove keeps away the space with elastic element, still includes a transparent protection casing, and transparent protection casing is connected with the mounting groove.

Furthermore, the number of the counter bores on the positioning ring is three to four, and the plurality of the counter bores are distributed around the positioning ring in an annular array.

Further, the upper end of cutter body still is equipped with the scale bar, and the scale bar sets up the one side at the installation department.

Further, the elastic element is a compression spring.

Further, one side of silica gel cover still is equipped with the receiver, and the receiver is the ascending cavity structure that opens of opening, and the bottom of receiver is equipped with the permanent magnet piece.

Further, the milling end of the cutter body is of a spiral structure, and the surface of the milling end of the cutter body is subjected to titanizing treatment.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the PCB milling cutter convenient to installation have one of following technological effect at least:

1. when the tool setting device is used, the screw penetrates through the countersunk hole of the positioning ring and is connected with the threaded hole in the mounting part at the proper position on the tool body, the positioning ring with different thicknesses and the mounting part mounted at different heights are adopted by processing the PCB with different thicknesses, so that the tool body is just abutted to the PCB, and tool setting is not required. When the cutter body is installed, the milling end of the cutter body is wrapped by the silica gel sleeve, one end of the elastic element on the silica gel sleeve is abutted to the silica gel sleeve, the other end of the elastic element is abutted to the positioning ring, the cutter body is installed on the three-jaw chuck, no gap exists between the positioning ring on the cutter and the three-jaw chuck, and the positioning is more accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a PCB milling cutter convenient to mount provided by an embodiment of the present invention.

Reference numerals: 100. a cutter body; 110. an installation part; 111. a threaded hole; 120. a scale bar; 200. a silica gel sleeve; 210. an elastic element; 211. a compression spring; 220. a storage box; 221. permanent magnet blocks; 300. a positioning ring; 310. a countersunk hole; 320. mounting grooves; 400. a transparent shield.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1, a PCB milling cutter convenient for installation is provided, which includes a cutter body 100 and a silica gel sleeve 200, the silica gel sleeve 200 is an open cavity structure with an upward opening, and the opening of the cutter body 100, through which the milling end passes through the silica gel sleeve 200, is disposed in the open cavity of the silica gel sleeve 200. The cutting tool further comprises a positioning ring 300, the positioning ring 300 is slidably sleeved on the cutting tool body 100, and a plurality of counter bores 310 are further formed in the positioning ring 300. The upper end of the cutter body 100 is provided with a plurality of sets of mounting portions 110 corresponding to the positioning ring 300, each mounting portion 110 is provided with a threaded hole 111 corresponding to a counter bore 310, and a screw passes through the counter bore 310 and is connected with the threaded hole 111. The silicone rubber sleeve further comprises an elastic element 210, one end of the elastic element 210 penetrates through the opening of the silicone rubber sleeve 200 to be connected with the bottom end of the silicone rubber sleeve 200, and the other end of the elastic element 210 abuts against the positioning ring 300. In the embodiment, when in use, a screw is used to penetrate through the countersunk hole 310 of the positioning ring 300 to be connected with the threaded hole 111 on the proper position mounting part 110 on the cutter body 100, and by processing the PCB boards with different thicknesses, the positioning ring 300 with different thicknesses and the mounting parts 110 mounted on different heights are adopted, so that the cutter body 100 just abuts against the PCB boards, and tool setting is not needed. When the cutter body 100 is installed, the silica gel sleeve 200 wraps the milling end of the cutter body 100, one end of the elastic element 210 on the silica gel sleeve 200 is abutted to the silica gel sleeve 200, the other end of the elastic element is abutted to the positioning ring 300, so that when the cutter body 100 is installed on a three-jaw chuck, no gap exists between the positioning ring 300 on the cutter and the three-jaw chuck, and the positioning is more accurate.

Specifically, referring to FIG. 1, each mounting portion 110 is divided at equal intervals up and down at the upper end of the tool body 100. In this embodiment, the mounting portions 110 are distributed at the upper end of the tool body 100 at equal intervals, the positioning ring 300 is selectively mounted at a proper height by calculating the interval between the mounting portions 110, so that the upper end of the positioning ring 300 is abutted against the three-jaw chuck, the height of the tool body is determined, tool setting operation is not required, mounting is fast and convenient, and time and labor cost are saved.

Specifically, referring to fig. 1, the bottom end of the positioning ring 300 is further provided with a mounting groove 320, the mounting groove 320 is spaced from the elastic element 210, and the positioning ring further comprises a transparent shield 400, and the transparent shield 400 is connected to the mounting groove 320. In this embodiment, the transparent protective cover 400 is disposed at the upper end of the positioning ring 300, when the cutter body 100 mills the PCB, the transparent protective cover 400 can effectively prevent the flying chips from splashing out, thereby preventing the flying chips from hitting the operating personnel to cause safety accidents, and the transparent protective cover 400 can also be used for observing the processing state.

Specifically, referring to FIG. 1, the positioning ring 300 has three to four counter-sunk holes 310, and a plurality of counter-sunk holes 310 are distributed in an annular array around the positioning ring 300. In this embodiment, each counter sink 310 on the positioning ring 300 is three to four in total, and a plurality of counter sinks 310 are the annular array around the positioning ring 300 and distribute, adopt three to four screws to fix a position, make the location more firm, avoid the positioning ring 300 to drop when the cutter main part is high-speed rotatory to take place the incident.

Specifically, referring to fig. 1, the upper end of the tool body 100 is further provided with a scale bar 120, and the scale bar 120 is disposed at one side of the mounting part 110. In this embodiment, the upper end of cutter body 100 still is equipped with scale bar 120, and scale bar 120 sets up in one side of installation department 110, and scale bar 120 can be more audio-visual the position of observing the installation of holding ring 300, need not to count installation department 110, specifically promotes the installation effectiveness.

Specifically, referring to fig. 1, the elastic member 210 is a compression spring 211. In the present embodiment, the elastic element 210 is a compression spring 211, the compression spring 211 has a good elastic force, one end of the compression spring 211 is connected to the bottom of the silicone sleeve 200, and the other end of the compression spring 211 abuts against the positioning ring 300.

Specifically, referring to fig. 1, a storage box 220 is further disposed on one side of the silicone sleeve 200, the storage box 220 is an open cavity structure with an upward opening, and a permanent magnet block 221 is disposed at a bottom end of the storage box 220. In this embodiment, when the tool body 100 is not needed, the milling end of the tool body 100 is placed in the storage box 220, and the permanent magnet blocks 221 of the storage box 220 attract the tool body 100, so that the tool body 100 is retained in the storage box 220, and the milling end of the tool body 100 can be better protected.

Specifically, referring to fig. 1, the milling end of the tool body 100 is a spiral structure, and the surface of the milling end of the tool body 100 is subjected to a titanizing treatment. In the present embodiment, the milling end of the tool body 100 has a spiral structure, the surface of the milling end of the tool body 100 is plated with titanium, and the titanium plating formed by the milling end of the tool body 100 has excellent corrosion resistance, and can be used to protect the plated object and improve the surface wear resistance.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A PCB milling cutter convenient to mount comprises a cutter body and a silica gel sleeve, wherein the silica gel sleeve is of an open cavity structure with an upward opening, and a milling end of the cutter body penetrates through the opening of the silica gel sleeve and is arranged in the open cavity of the silica gel sleeve; the method is characterized in that: the cutter body is sleeved with the positioning ring in a sliding manner, and the positioning ring is also provided with a plurality of counter bores; the upper end of the cutter body is provided with a plurality of groups of mounting parts corresponding to the positioning rings, each mounting part is provided with a threaded hole corresponding to the countersunk hole, and a screw penetrates through the countersunk hole and is connected with the threaded hole; the elastic element is arranged on the positioning ring, one end of the elastic element penetrates through the opening of the silica gel sleeve and is connected with the bottom end of the silica gel sleeve, and the other end of the elastic element is abutted to the positioning ring.

2. The PCB milling cutter for ease of installation according to claim 1, wherein: the mounting parts are distributed at the upper end of the cutter body at equal intervals.

3. The PCB milling cutter for ease of installation according to claim 1, wherein: the bottom of holding ring still is equipped with a mounting groove, the mounting groove with elastic element keeps away the sky, still includes a transparent protection casing, transparent protection casing with the mounting groove is connected.

4. The PCB milling cutter for ease of installation according to claim 1, wherein: the positioning ring is provided with three to four counter bores, and the plurality of counter bores are distributed around the positioning ring in an annular array.

5. The PCB milling cutter for ease of installation according to claim 1, wherein: the upper end of cutter body still is equipped with the scale bar, the scale bar sets up one side of installation department.

6. The PCB milling cutter for ease of installation according to claim 1, wherein: the elastic element is a compression spring.

7. The PCB milling cutter for ease of installation according to claim 1, wherein: one side of silica gel cover still is equipped with the receiver, the receiver is the ascending structure of opening chamber, the bottom of receiver is equipped with the permanent magnet piece.

8. The PCB milling cutter for ease of installation according to claim 1, wherein: the milling end of the cutter body is of a spiral structure, and the surface of the milling end of the cutter body is subjected to titanizing treatment.