CN201102076Y

CN201102076Y - Improved structure of machining tool bit

Info

Publication number: CN201102076Y
Application number: CNU2007201754764U
Authority: CN
Inventors: 林若萍
Original assignee: TOP POINT TECHNOLOGY Co Ltd
Current assignee: Top point Technology Co., Ltd.
Priority date: 2007-08-27
Filing date: 2007-08-27
Publication date: 2008-08-20
Anticipated expiration: 2017-08-27

Abstract

The utility model relates to an improved structure of a processing cutter. The processing cutter made of a plurality of parent metals is composed of an edge part and a handle part, joint parts are provided with rough surfaces that are produced by utilizing different processing methods and have different roughnesses, and the opposite sides of the edge part and the handle part are provided with the joint parts, so that the edge part and the handle part can be combined at the joint parts by utilizing a welding, high-frequency connection method or mighty bond. Consequently, when the joint parts are combined, the contact area of solder and the joint parts is increased, moreover, because the gap generated by the rough surfaces of the joint parts is filled up by the solder for firm combination, the effect of combination is good and therefore is not easily damaged by the external force in the operation process, or after a long period of use, the processing cutter is not loosened or broken because of the accumulated stress.

Description

The structure-improved of process tool

Technical field

The utility model relates to a kind of process tool, particularly drill bit, milling cutter.

Background technology

Move towards light gradually at electronic product; thin; short; under the little epoch trend; also convergent is little to make various electronic product volume; the then manufacturing of the various parts of electronic product inside; procedure for processing; also relative is more and more meticulousr; and must possess in the various electronic products printed circuit is arranged; set the printed circuit board (PCB) of position for the electronic component group; the volume of described printed circuit board (PCB) also must be along with the volume-diminished of electronic product; therefore in the printed circuit board (PCB) processing procedure; usually can utilize miniature process tool on circuit board, to hole or cut; internal layer circuit in order to the connecting circuit plate; right existing process tool material; do the material of process tool with tungsten carbide; with tungsten carbide one-body molded be process tool, though its rigidity and hardness are better; service life is also longer, but because of cost too high; and process tool is to belong to consumptive material, will the financial cost of manufacturing be improved.

Other has the dealer to use the combination of cutter, make and utilize stainless handle of a knife and tungsten carbide, through solder bond or utilize the high frequency heating means to be made as round bar, the reprocessing moulding is a process tool, but because of joint face is directly to cut off smoothly via machine, can't really process tool be engaged really in solder bond or when utilizing the high frequency heating, so that conjugation significantly reduces, and in process of production, also too small because of the joint face contact area, also cause the damage or the fracture of process tool easily.

As shown in Figure 7, it is the plane exploded view of the combination of existing cutter, be to include handle of a knife A and the set butt end A1 of one end, and be to be provided with blade B with respect to butt end A1, and the end of blade B is for being provided with link B1, and can utilize link B1 to engage with butt end A1, because of combination is to utilize solder bond or utilize the high frequency heating means, and link B1 and butt end A1 are to be level and smooth plane, only can make when engaging and produce the effect that is connected, certain connection combination that can't make with the outer rim of butt end A1 at link B1.

Above-mentioned existing cutter be combined in actual use the time, still exist many disappearances to remain to be improved, as:

(1) combination of described cutter is the butt end A1 that utilizes handle of a knife A, with the link B1 of blade B is combining of two plane formulas, processing in conjunction with the time its table of joint area at butt end A1, link B1 less, then cause cutter in conjunction with after the structural strength deficiency, also because of cutter be retained on the machine use after, desire is taken off cutter and when using hand-held tool to choose, can be because of the active force of external force, and use the stress of being accumulated down and the combination of cutter is got loose or rupture perhaps for a long time.

(2) handle of a knife A, blade B in conjunction with processing after, not good because of the weld strength between the A1 link B1 of butt end, when machine runs up, form slight crack in the junction easily, influence the using character and the safety of cutter.

Therefore, how to solve the problem and the disappearance of the combination of existing cutter, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.

Summary of the invention

At the deficiencies in the prior art, the purpose of this utility model is: a kind of structure-improved of process tool is provided, improves the bonding strength between its blade part and the handle of a knife portion, prolong its life-span.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of structure-improved of process tool, formed by blade part and handle of a knife portion, and blade part one side has joint face, and with respect to the joint face of blade part and be provided with interface in handle of a knife portion one side, it is characterized in that: one of them of described joint face and interface is individual to be matsurface, and described joint face is connected with the interface relative fixed.

Compared with prior art; adopt the advantage that the utlity model has of technique scheme to be: it can form matsurface with the joint portion of process tool and produce the space; respond well to connect; can be because of under the machine working at high speed; and the stress of accumulation under the effect of external force and permanent the use; the joint portion of cutter is got loose or be fractured into main key protection point; be only to make the serious worker of unlikely generation pacify accident; and guarantee carrying out smoothly in the production process; and reduce and change use cost, meet economic benefit.

Description of drawings

Fig. 1 is a plane exploded view of the present utility model;

Fig. 2 is the plane exploded view of the utility model preferred embodiment;

Fig. 3 is that plane of the present utility model is in conjunction with figure;

Fig. 4 is that plane of the present utility model is in conjunction with figure;

Fig. 5 is the utility model Fig. 3 A partial enlarged drawing partly;

Fig. 6 is the profile of the utility model preferred embodiment;

Fig. 7 is the plane exploded view of the combination of existing cutter.

Description of reference numerals: 1-mother metal; The 11-blade part; The 131-joint face; 12-handle of a knife portion; The 132-interface; The 13-joint portion; The 2-process tool; The 3-matsurface; The 4-scolder; The A-handle of a knife; The A1-butt end; The B-blade; The B1-link.

The specific embodiment

For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present utility model its feature and function are as follows, are beneficial to understand fully.

See also Fig. 1, Fig. 3, shown in Figure 4, be plane exploded view of the present utility model, plane in conjunction with figure, plane in conjunction with figure, by knowing shown in the figure that the structure-improved of finding out described process tool is to comprise by several mother metals 1 being formed; Wherein:

Described several mother metals 1 are by being made up of with handle of a knife portion 12 blade part 11, blade part 11 can be the tungsten carbide bar with handle of a knife portion 12, stainless steel bars, or other unlike materials, can be for welding, utilize the processing mode of high frequency heating or powerful sticker to make it to connect combination, one side of wherein said blade part 11 is to be provided with joint portion 13 with respect to a side of handle of a knife portion 12, joint portion 13 is to be provided with joint face 131 in a side of blade part 11, joint portion 13 also then is provided with interface 132 in a side of handle of a knife portion 12, and can utilize the mode of welding that the joint face 131 of blade part 11 and the interface 132 of handle of a knife portion 12 are combined in joint portion 13, and be combined into one.

See also Fig. 1, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, it is plane exploded view of the present utility model, the plane is in conjunction with figure, the plane is in conjunction with figure, Fig. 3 A partial enlarged drawing partly, the profile of preferred embodiment, find out described joint portion 13 matsurface 3 that at least more than one utilizes processing mode to produce that is provided with by knowing shown in the figure, can lay respectively on joint face 131 or the interface 132, and joint face 131 can be located at the side of blade part 11, interface 132 is located at the side of handle of a knife portion 12, be to be provided with and to form the matsurface 3 of relative formula, be to utilize abrasive machine, sandblast, processing modes such as chemical agent corrosion, perhaps produce helical form with processing machine, wavy, zigzag equals joint portion 13 and constitutes matsurface 3, when being beneficial to blade part 11 and combining with handle of a knife portion 12, utilize joint portion 13 matsurface that forms 3 and the space that produces, make it welding, the johning knot that utilizes high frequency heating or powerful sticker to make is fashionable, because the coarse space that produces of joint face 131 and interface 132, and make the scolder 4 of welding can fill up in the space of joint portion 13, or utilize high frequency when heating because merge in matsurface 3 spaces of joint portion 13 fully after the material dissolves, and make powerful sticker can fully charge in the joint portion 13, make connect respond well.

See also Fig. 1, shown in Figure 2, it is the plane exploded view of plane exploded view of the present utility model, preferred embodiment, find out the described mother metal of being formed by blade part 11 and handle of a knife portion 12 1 by knowing shown in the figure, after blade part 11 process attrition process, can form can be for the process tool 2 of cutting operation, and described process tool 2 is to can be drill bit, milling cutter or other can be for the process tool 2 of cutting.

See also shown in Figure 4, be another plane of the utility model in conjunction with figure, find out that by knowing shown in the figure described blade part 11 and handle of a knife portion 12 can be different sizes.

The structure-improved of above-mentioned process tool of the present utility model when reality is used, for can having following advantage, as:

(1) described joint portion 13 is to utilize different processing modes, produce matsurfaces 3 such as difformity, the space that when blade part 11 combines with handle of a knife portion 12, is produced because of matsurface 3, and make scolder 4 can fill up in the space of joint portion 13, or utilize high frequency when heating because merge in the joint portion 13 after the material dissolves fully, and powerful sticker can fully be filled up in the space, make that connection is respond well, cutter is not used in combination can get loose or rupture.

(2) described process tool 2 is to be retained on when using on the machine that runs up, be because joint portion 13 firm welding of process tool 2, good, so can not cause getting loose or rupturing of joint portion 13, and the serious worker of unlikely generation pacifies accident, and guarantee that production process carries out smoothly.

(3) blade part 11 materials of described process tool 2, be as the material of generally using with tungsten carbide, because of joint portion 13 connects respond well, and be difficult for getting loose or rupturing when on being retained on machine, running up operation, and make blade part 11 when running up operation the stability height, and can increase process tool 2 service life, reduce to change the use cost of blade part 11, meet economic benefit.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1, a kind of structure-improved of process tool be made up of blade part and handle of a knife portion, and blade part one side has joint face, and with respect to the joint face of blade part and be provided with interface in handle of a knife portion one side, it is characterized in that:

One of them of described joint face and interface is individual to be matsurface, and described joint face is connected with the interface relative fixed.

2, the structure-improved of process tool according to claim 1 is characterized in that: described matsurface is shape, wavy or zigzag in the shape of a spiral.

3, the structure-improved of process tool according to claim 1 is characterized in that: described joint face and interface welding are fixing.

4, the structure-improved of process tool according to claim 1 is characterized in that: described joint face and interface are connected and fixed by high frequency.

5, the structure-improved of process tool according to claim 1 is characterized in that: described joint face and interface glued joint fixing by powerful sticker.