The tap of replaceable insert
Technical field
The utility model relates to a kind of tap of replaceable insert, particularly a kind of tap of multi-specification replaceable blade.
Background technology
Tap is common in processing industry, it is for processing screw hole and being indispensable process tool, the structure that the tap of prior art is one of the forming, its blade thread part direct forming is on cutter hub, yet the thread of the tap cutter in same aperture has and is divided into two kinds of straight and inclineds, in the spacing specification of thread, be also divided into metric system, made in Great Britain and made in U.S.A, therefore, for meeting the processing of different size screw hole, need the tap of standby plurality of specifications, like this increase the purchase cost of tap, in addition the normal processing of screw hole is in the harder material such as steel plate, tap is in process, its blade easily produces the situation that collapses tooth, after blade is impaired, need to eliminate and change whole group of tap cutter, so can increase to eliminate and change this into, also cause the waste of resource simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of tap of replaceable insert, to reach, is convenient to replace the object of using and reducing costs.
For achieving the above object, the utility model provides a kind of tap of replaceable insert, and it comprises:
One clamping is body, it has the first sandwich sheet, the second sandwich sheet, an accommodating area and a down and meets portion, the first sandwich sheet and the second sandwich sheet extend respectively form in clamping body, accommodating area forms between the first sandwich sheet and the second sandwich sheet, and the down portion of connecing is arranged between the first sandwich sheet and the second sandwich sheet and has a tip;
One detachable blade, it is arranged in clamping the accommodating area of body, detachable blade has a blade and a down closes portion, this blade forms in the both sides of the edge of detachable blade, the down portion of closing is arranged in an end wall surface of detachable blade, the down portion of closing of detachable blade is embedded in clamping and the down of body is met to portion and have a tip, and the tip that down closes portion and down connect the corresponding and tabling in the tip of portion;
One fixture, it wears and is fixed in the first sandwich sheet, the second sandwich sheet and detachable blade.
Wherein, the blade of detachable blade has several cutting edges and at least one wiper edges, cutting edge and wiper edges respectively projection form in the two ends of detachable blade, cutting edge position is in one end of detachable blade, wiper edges position is at the other end of detachable blade, and the blade width of this detachable blade is cumulative to wiper edges direction by cutting edge.
Wherein, the down portion of closing of detachable blade is the flange that a projection is shaped, this flange position is on one end of detachable blade, this flange has the top central authorities that tip that two oblique sidewalls and down close portion forms in this flange, clamping comprises an extension block and a groove the down portion of connecing of body, extension block engages internal face and an end in accommodating area of the first sandwich sheet and the second sandwich sheet, groove indent forms in the wall of extension block, this groove has the bottom central authorities that tip that two oblique sidewalls and down meet portion forms in this groove, the chimeric clamping of flange of detachable blade is the groove of body.
Wherein, the down portion of closing of detachable blade is the flange that a projection is shaped, this flange position is connecting on the end face of wiper edges, this flange has the top central authorities that tip that two oblique sidewalls and down close portion forms in this flange, clamping comprises an extension block and a groove the down portion of connecing of body, extension block engages internal face and an end in accommodating area of the first sandwich sheet and the second sandwich sheet, groove indent forms in the wall of extension block, this groove has the bottom central authorities that tip that two oblique sidewalls and down meet portion forms in this groove, the chimeric clamping of flange of detachable blade is the groove of body.
Wherein, clamping has extension block body, clamping is a flange the down portion of connecing of body, flange projection forms in the wall of extension block, this flange has the top central authorities that tip that two oblique sidewalls and down meet portion forms in this flange, and the down portion of closing of detachable blade is a groove, and groove indent forms on one end of detachable blade, this groove has the bottom central authorities that tip that two oblique sidewalls and down close portion forms in this groove, and the chimeric clamping of this groove is the flange of body.
Wherein, clamping has extension block body, clamping is a flange the down portion of connecing of body, flange projection forms in the wall of extension block, this flange has the top central authorities that tip that two oblique sidewalls and down meet portion forms in this flange, and the down portion of closing of detachable blade is a groove, and groove indent forms on the end face that connects wiper edges, this groove has the bottom central authorities that tip that two oblique sidewalls and down close portion forms in this groove, and the chimeric clamping of this groove is the flange of body.
Wherein, this clamping is further provided with a gap body, and gap hole formed therethrough is between the first sandwich sheet and extension block, and groove indent forms in the wall of extension block.
Wherein, the first sandwich sheet hole formed therethrough has a perforation, the second sandwich sheet hole formed therethrough has a screw, bore a hole corresponding with the aperture position of screw, detachable blade further has a perforation, this perforation hole formed therethrough detachable blade, and fixture is a bolt, fixture sequentially penetrates the perforation of the first sandwich sheet and the perforation of detachable blade, and last fixture screws togather in the screw that is fixed on the second sandwich sheet.
Wherein, clamping is structure of steel product body.
The utility model has the advantage of, arrange detachable blade in clamping in body and utilize down to close tip chimeric with the fixing orientation of detachable blade that portion and down meet portion, when processing the screw hole of different size, only need the blade of replacing dimension to process, a clamping is can the arrange in pairs or groups blade of plurality of specifications of body, when blade is damaged, only need more allowing blade replacement to reuse, so in processing, use comparatively convenient and can effectively reduce and eliminate the cost changing.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is stereoscopic figure of the present utility model.
Fig. 2 is parts explosion of the present utility model.
Fig. 3 is side cutaway view of the present utility model.
Fig. 4 is the exploded view of preferred embodiment of the present utility model.
Fig. 5 is the exploded view of another preferred embodiment of the present utility model.
Wherein, Reference numeral:
10 clampings clamp body 10A body
11 first sandwich sheet 111 perforation
12 second sandwich sheet 121 screws
13 accommodating area 14 extension blocks
14A extension block 15 grooves
15A flange 16 gaps
20 detachable blade 20A detachable blades
21 cutting edge 22 wiper edges
23 perforation 24 flanges
24A groove 30 fixtures
The specific embodiment
Below coordinate preferred embodiment graphic and of the present utility model, further setting forth the utility model is to reach the technological means that predetermined novel object is taked.
Refer to shown in Fig. 1, the utility model comprises a clamping body 10, a detachable blade 20 and a fixture 30.
Refer to shown in Fig. 2 and Fig. 3, aforesaid clamping is structure of steel product body 10, it has one first sandwich sheet 11, one second sandwich sheet 12, one accommodating area 13 and a down meet portion, the first sandwich sheet 11 and the second sandwich sheet 12 extend respectively form in clamping an end wall surface of body 10, the first sandwich sheet 11 hole formed therethrough have a perforation 111, the second sandwich sheet hole formed therethrough has a screw 121, perforation 111 is corresponding with the aperture position of screw 121, accommodating area 13 is arranged between the first sandwich sheet 11 and the second sandwich sheet 12, the down portion of connecing includes a tip, in preferred embodiment, the down portion of connecing comprises an extension block 14 and a groove 15, extension block 14 engage the internal face of the first sandwich sheets 11 and the second sandwich sheet 12 and position in accommodating area 13 end, consult shown in Fig. 4, groove 15 indents form in the wall of extension block 14, this groove 15 has the bottom central authorities that two oblique sidewalls and this tip form in this groove 15, in preferred embodiment, clamping is further provided with a gap 16 body 10, gap 16 hole formed therethrough are between the first sandwich sheet 11 and extension block 14, in another preferred embodiment, refer to shown in Fig. 5, clamping comprises an extension block 14A and a flange 15A the down portion of connecing of body 10A, and flange 15A projection forms in the wall of extension block 14A, and this flange 15A has two oblique sidewalls and this tip, and to form in the top of this flange 15A central.
Consult shown in Fig. 2 and Fig. 4, aforesaid detachable blade 20 is held in clamping in the accommodating area 13 of body 10 and be provided with blade and down closes portion, the down of detachable blade 20 closes portion, with clamping, the down of body 10 is connect to portion's tabling, the down portion of closing has a tip, the tip that down closes portion and down connect the corresponding and tabling in the tip of portion, two walls of detachable blade 20 lean with the first sandwich sheet 11 and the second sandwich sheet 12 respectively, blade includes several cutting edges 21 and at least one wiper edges 22, cutting edge 21 and wiper edges 22 respectively projection form in the both sides of the edge of detachable blade 20, 21 one end at detachable blade 20 of cutting edge, 22 other ends at detachable blade 20 of wiper edges, the blade width of this detachable blade 20 is cumulative to wiper edges 22 directions by cutting edge 21, detachable blade 20 further has a perforation 23, bore a hole 23 hole formed therethrough in detachable blade 20, the down portion of closing of detachable blade 20 is the flange 24 that a projection is shaped, 24 of this flanges are on the wall of end that connects wiper edges 22, this flange 24 has the top central authorities that two oblique sidewalls and this tip form in this flange 24, the chimeric clamping of flange 24 is the groove 15 of body 10, with this, improve detachable blade 20 and be positioned clamping the effect in body 10, in another preferred embodiment, refer to shown in Fig. 5, the down portion of closing of detachable blade 20A is the groove 24A that an indent is shaped, this groove 24A forms in the end that connects wiper edges 22, this groove 24A has the bottom central authorities that two oblique sidewalls and this tip form in this groove 24A, the chimeric clamping of this groove 24A is the flange 15A of body 10A.
Refer to shown in Fig. 2 and Fig. 3, aforesaid fixture 30 wears fixed clamp body 10 and detachable blade 20, in preferred embodiment, fixture 30 is a bolt, in fixation procedure, fixture 30 sequentially penetrates the perforation 111 of the first sandwich sheet 11 and the perforation 23 of detachable blade 20, and last fixture 30 screws togather in the screw 121 that is fixed on the second sandwich sheet 12.
The utility model has the advantage of, by the use of detachable blade 20, make a clamping can the arrange in pairs or groups detachable blade 20 of different size of body 10, in the purposes of processing, have more diversity, when the blade of detachable blade 20 is damaged, only need to replace new detachable blade 20 and change whole tap without eliminating, because clamping is structure of steel product body 10, it has elasticity, by gap, 15 setting can make the first sandwich sheet 11 have displacement space, so be easier to dismounting and blade is installed, by the chimeric of groove 16 and flange 24, can essence locate exactly detachable blade 20.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the utility model claim.