CN104308593B

CN104308593B - Fixture for drill bit during drilling

Info

Publication number: CN104308593B
Application number: CN201410476110.5A
Authority: CN
Inventors: 陈杰
Original assignee: NINGBO RONGKE MAITE NC TOOLS Co Ltd
Current assignee: NINGBO RONGKE MAITE NC TOOLS Co Ltd
Priority date: 2014-09-17
Filing date: 2014-09-17
Publication date: 2017-05-03
Anticipated expiration: 2034-09-17
Also published as: CN104308593A

Abstract

The invention provides a fixture for a drill bit during drilling, belongs to the technical field of accessories of a machine tool, and solves the problems that an existing fixture is not convenient to use and the precision is low. The fixture for the drill bit during drilling comprises a bottom board, and a plurality of disk-shaped bases which are mounted and arranged on the bottom board in parallel, wherein the bases can rotate around axial lines of the bases on the bottom board; fixed seats are hinged to the bases, through holes are formed in the fixed seats, set holes are formed in the fixed seats, and set screws are mounted in the set holes; cylindrical positioning sleeves are mounted in the through holes, a plurality of locking holes are formed in the peripheral surfaces of the positioning sleeves in the radial direction, and locking screws are mounted in the locking holes; through mounting grooves are formed in the positioning sleeves along the axial lines, the set screws can tightly prop the positioning sleeves, and the locking screws can tightly prop workpieces mounted in the mounting grooves. The fixture for the drill bit during drilling has the advantages of good convenience in adjustment and high precision.

Description

A kind of fixture for drill bit punching

Technical field

The invention belongs to the attachment technique field of lathe, is related to a kind of fixture, particularly a kind of folder for drill bit punching Tool.

Background technology

Radially or axial direction or processing hole is inclined in cylinder class particularly drill bit-like workpiece, need to design special fixture With clamping workpiece, punch position is made accurately, it is easy to process.

Chinese patent CN103447861A discloses a kind of quick perforating clamp, including slide rail and is arranged on the slide rail Main folder head above and sub-folder head, the main folder head are fixed on slide rail, and the sub-folder head slides along slide rail, and two use cooperatively Main folder head and sub-folder head, the main folder head is provided with main arc groove, the sub-folder head and main folder head with the adjoiner of sub-folder head Adjoiner is provided with and the main arc groove radius of curvature identical pair arc groove.

Above-mentioned fixture conveniently can be processed in the hole axially and radially of processing workpiece, but is being processed angled or inclined Hole in terms of processing it is inconvenient, adjustment is difficult, and precision is not high.

The content of the invention

The purpose of the present invention is there are the problems referred to above for existing technology, it is proposed that a kind of easy to adjust, high precision For the fixture of drill bit punching.

The purpose of the present invention can be realized by following technical proposal：A kind of fixture for drill bit punching, its feature exist In, several the discoidal bases being set up in parallel including base plate and on base plate, the base can be on base plate the bottom of around The axis of seat is rotated, and is hinged with fixed seat, offers through hole, offer in the fixed seat in the fixed seat on the base Tightening hole, is provided with holding screw in the tightening hole, the positioning sleeve of cylinder is provided with the through hole, the positioning sleeve Several lock holes are radially offered on outer peripheral face, lock screw is installed, along axle on the positioning sleeve in the lock hole Line offers the mounting groove for running through, and the holding screw can push against positioning sleeve, and the lock screw can be pushed against installed in mounting groove Interior workpiece.

In a kind of above-mentioned fixture for drill bit punching, the base plate offers stepped hole, and the base includes circle It is the butting section of cylindricality, from the stage portion of butting section one end protrusion and two symmetrically arranged along median plane from butting section other end protrusion Baffle plate, the butting section and stage portion are inserted and are resisted against in stepped hole, and the fixed seat is rectangular, convex in fixed seat side Go out to form articulated section, the articulated section is inserted between two baffle plates and connected by rotating shaft, and the through hole runs through fixed seat and through hole Axis perpendicular to rotating shaft axis.

In a kind of above-mentioned fixture for drill bit punching, two symmetrical chamferings in the fixed seat, are offered, The chamfering parallel to through hole axis and be arranged on articulated section just to two sides on, the tightening hole is vertically opened in down On angle.

In a kind of above-mentioned fixture for drill bit punching, spacing hole, the spacing hole in the fixed seat, are offered Be opened in articulated section just to side on, installing hole is offered on the positioning sleeve, is provided with the installing hole and installing hole The counterbore of coaxial line, the inner side wall energy of counterbore are overlapped with the medial wall of spacing hole.

In a kind of above-mentioned fixture for drill bit punching, the mounting groove includes " V "-shaped location division, mutually Planar portions that are parallel and connecting location division both sides and connection planar portions and the arc sections tangent with planar portions, the lock hole are symmetrical It is distributed in arc sections both sides.

In a kind of above-mentioned fixture for drill bit punching, datum line, ring on the base plate on the base, are carved with Some reticules are carved with uniformly around stepped hole, the datum line can be conllinear with wherein one division line.

In a kind of above-mentioned fixture for drill bit punching, stop hole on the base plate, is offered, the stop hole Axis of the axis perpendicular to stepped hole, is provided with limit screw in the stop hole.

Compared with prior art, the present invention has following advantage:

1st, workpiece is arranged in the mounting groove on positioning sleeve, locks the position of workpiece by lock screw, by fixed seat It is to adjust the gradient of workpiece, easy for installation, adjust simple.

2nd, positioning sleeve can drive workpiece to rotate around the axis of through hole, and by holding screw locking positioning set, facilitate workpiece The regulation of upper punching angle, and install firm, it is difficult to rotate, punching is convenient.

3rd, piece-holder is on fixture, can be on lathe axially, radially or angle of inclination punching, the convenient letter of punching Single, clamping is reliable.

4th, datum line is scribed on base and a certain number of divisions scribed on base plate can be snapped to, it is convenient to adjust angle, makes Accurately, processing hole is accurate for the angle turned on workpiece.

Description of the drawings

Fig. 1 is the structural representation of the present invention.

Fig. 2 is the configuration schematic diagram of the present invention.

Fig. 3 is the mplifying structure schematic diagram of positioning sleeve in the present invention.

In figure, 1, base plate；11st, stepped hole；12nd, stop hole；13rd, reticule；2nd, base；21st, butting section；22nd, baffle plate； 23rd, stage portion；24th, datum line；3rd, fixed seat；31st, articulated section；32nd, chamfering；33rd, spacing hole；34th, tightening hole；35th, hinge hole； 36th, through hole；4th, positioning sleeve；41st, mounting groove；411st, location division；412nd, planar portions；413rd, arc sections；42nd, lock hole；43rd, sink Hole；44th, installing hole；5th, rotating shaft；6th, holding screw；7th, lock screw；8th, limit screw；

Specific embodiment

The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, But the present invention is not limited to these embodiments.

As depicted in figs. 1 and 2, this be used for drill bit punching fixture, including base plate 1 and be arranged on base plate 1 on be set up in parallel Several discoidal bases 2, base plate 1 offers several stepped holes 11, the quantity of stepped hole 11 more than one, base 2 quantity is corresponding with the quantity of stepped hole 11, and the axis that base 2 can be around base 2 on base plate 1 is rotated, and base 2 includes cylinder It is the butting section 21 of shape, from the stage portion 23 of 21 one end of butting section protrusion and two symmetrical along median plane from 21 other end of butting section protrusion The baffle plate 22 of setting, butting section 21 and stage portion 23 are inserted and are resisted against in stepped hole 11, i.e., base 2 is worn by stage portion 23 Cross stepped hole 11 and be erected on the step surface of stepped hole 11 by butting section 21, stage portion 23 is matched with stepped hole 11, is supported The upper surface of relying part 21 is concordant with the plane of base plate 1, and base 2 can be rotated in stepped hole 11 around the axis of itself, while driving Part on base 2 is rotated, and is facilitated the angle on adjusting base 2, is carved with datum line 24, on base plate 1 on base 2 Some reticules 13 are carved with uniformly around stepped hole 11, datum line 24 can be conllinear with wherein one division line 13.

It is set up in parallel row's base 2 on base plate 1 successively, several drill bits can be processed simultaneously, it is high in machining efficiency, installation Direction is unanimously unified；Base 2 can be rotated around stepped hole 11 on base plate 1, the datum line 24 on base 2 can with base plate 1 on Reticule 13 overlaps, the angle for facilitating adjusting base 2 to turn over, meanwhile, the deviation angle of the drill bit on fixture can be adjusted Degree, the diameter parallel of drill bit in the upper surface of base plate 1, the hole processed on drill bit, position and angle it is accurate.

Fixed seat 3 is hinged with base 2, fixed seat 3 is rectangular, protrudes to form articulated section 31 in 3 side of fixed seat, i.e., it is whole Body forms "convex" shaped structure, and the end of articulated section 31 is arranged to the circular arc chamfering with 3 plane tangent of fixed seat, articulated section 31 On vertically offer hinge hole 35, articulated section 31 is inserted between two baffle plates 22 and is connected by rotating shaft 5, vertically opens in fixed seat 3 It is provided with through hole 36, the axis of the axis of through hole 36 perpendicular to hinge hole 35, through hole 36 runs through fixed seat 3 and the axis of through hole 36 hangs down It is straight to offer two symmetrical chamferings 32 on the axis of rotating shaft 5, fixed seat 3, chamfering 32 parallel to through hole 36 axis and Be arranged on articulated section 31 just to two sides on, vertically offer tightening hole 34 in chamfering 32, be provided with tightening hole 34 Holding screw 6.

Articulated section 31 is hinged between two baffle plates 22, and fixed seat 35 can be rotated around the shaft, make the axle of the drill bit on fixture Line is intersected with 2 upper surface of base, during punching, the inclined hole intersected to axis can be beaten on drill bit, easy to process；In fixed seat Chamfering 32 is opened up on 3 and is opened up perpendicular to the tightening hole 34 of chamfering 32, two holding screws 6 can intersect to through hole 36 in an angle of intersection In, it is convenient to fix and tighten.

As shown in Figures 2 and 3, the positioning sleeve 4 of cylinder is installed, in through hole 36 on the outer peripheral face of positioning sleeve 4 radially Several lock holes 42 are offered, preferably two are symmetrically distributed on positioning sleeve 4, lock screw 7 are installed in lock hole 42, The mounting groove 41 for running through is offered on positioning sleeve 4 along axis, mounting groove 41 includes " V "-shaped location division 411, is parallel to each other And connect the planar portions 412 of 411 both sides of location division and connect planar portions 412 and the arc sections 413 tangent with planar portions 412, lock Determine hole 42 and be symmetrically distributed in 413 both sides of arc sections and radially distributed, holding screw 6 can push against positioning sleeve 4,7 energy of lock screw Push against the workpiece in mounting groove 41.

It is " V "-shaped that location division 411 is set, workpiece is difficult to rotate, and arranges planar portions 412, lift location division 411 and arrive circular arc The distance in portion 413, facilitates workpiece to load, and lock hole 42 is symmetrically distributed in arc sections 413 and in intersecting at an angle, locks Screw 7 can lock workpiece on location division 411.

Stop hole 12 is offered on base plate 1, stop hole 12 is opened on the side wall of base 2, and the axis of stop hole 12 is vertical Limit screw 8 is installed on the axis of stepped hole 11, stop hole 12, limit screw 8 can push against the stage portion 23 on base 2, Make base 2 after the 11 interior angle for turning to setting of stepped hole and be stopped screw 8 to lock.

Offer spacing hole 33 in fixed seat 3, spacing hole 33 be opened in articulated section 31 just to side on, spacing hole 33 In the centre position in two tightening holes 34, installing hole 44 on positioning sleeve 4, is offered, be provided with installing hole 44 coaxial with installing hole 44 The counterbore 43 of line, the inner side wall energy of counterbore 43 are overlapped with the medial wall of spacing hole 33.

Counterbore 43 is conllinear with installing hole 44, and installing hole 44 is communicated to through hole 36, when positioning sleeve 4 is rotated 43 medial wall of counterbore with The medial wall of spacing hole 33 overlaps, and can limit positioning sleeve 4 and rotate, and makes positioning sleeve 4 be in center.

The present invention in an initial condition, drill bit is placed on location division 411 along mounting groove 41, and two lock screw 7 are distinguished Push against to drill bit, drill bit is adjacent on location division 411, positioning sleeve 4 is loaded in the through hole 36 in fixed seat 3, by positioning sleeve 4 Axis along through hole 36 rotates, and drill bit is needed the face of processing and is made processing face up, the holding screw 6 being tightened on seat 3, Make holding screw 6 position and push against positioning sleeve 4, fixed seat 35 is adjusted between 1 upper surface of axis and base plate of drill bits around the shaft Angle of inclination, then rotating base 2 makes the datum line 24 on base 2 be directed at reticule 13, and adjustment drill bit runs through axle with base 2 Angle between the median plane of line, the hole processed on drill bit meet product requirement, and limit screw 8 pushes against the stage portion of base 2 23 and lock, in this fixture, positioning sleeve 4 adjusts the horizontal axis angle of drill bit, the horizontal axis skew of the adjustment drill bit of base 2 Angle, fixed seat 35 are rotated around the shaft, adjust the regulation of longitudinal angle that the angle of intersection between drill bit and base 2 is drill bit, Ke Yiyi The secondary angle for being adjusted to set by drill bit, easy for installation, processing is simple.

Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims

1. it is a kind of for drill bit punching fixture, it is characterised in that what is be set up in parallel including base plate and on base plate is some Individual discoidal base, the axis that the base can be around base on base plate are rotated, and fixed seat is hinged with the base, described Through hole is offered in fixed seat, tightening hole in the fixed seat, is offered, holding screw is installed in the tightening hole, it is described logical The positioning sleeve of cylinder is installed in hole, several lock holes, the lock on the outer peripheral face of the positioning sleeve, is radially offered Determine lock screw is installed in hole, the mounting groove for running through on the positioning sleeve, is offered along axis, the holding screw can be pushed against Positioning sleeve, the lock screw can push against the workpiece in mounting groove, and the base plate offers stepped hole, the base bag Include cylindrical butting section, the stage portion protruded from butting section one end and symmetrically set along median plane from butting section other end protrusion two The baffle plate put, the butting section and stage portion are inserted and are resisted against in stepped hole, and the fixed seat is rectangular, in fixed seat one Side protrudes to form articulated section, and the end of articulated section is arranged to the circular arc chamfering with fixed seat plane tangent, vertical on articulated section Hinge hole is offered, the articulated section is inserted between two baffle plates and connected by rotating shaft, and the through hole runs through fixed seat and through hole Axis perpendicular to the axis of rotating shaft, offer spacing hole in the fixed seat, the spacing hole be opened in articulated section just to On side, installing hole is offered on the positioning sleeve, the counterbore with installing hole coaxial line on the installing hole, is provided with, counterbore Inner side wall energy is overlapped with the medial wall of spacing hole.

2. it is according to claim 1 it is a kind of for drill bit punching fixture, it is characterised in that offer in the fixed seat Two symmetrical chamferings, the chamfering parallel to through hole axis and be arranged on articulated section just to two sides on, it is described Tightening hole is vertically opened in chamfering.

3. it is according to claim 1 and 2 it is a kind of for drill bit punching fixture, it is characterised in that the mounting groove includes " V "-shaped location division, the planar portions for being parallel to each other and connecting location division both sides and connection planar portions and tangent with planar portions Arc sections, the lock hole is symmetrically distributed in arc sections both sides.

4. it is according to claim 1 and 2 it is a kind of for drill bit punching fixture, it is characterised in that scribe on the base There is datum line, on the base plate, some reticules being uniformly carved with around stepped hole, the datum line can be with wherein one division line Collinearly.

5. it is according to claim 1 and 2 it is a kind of for drill bit punching fixture, it is characterised in that open up on the base plate The axis for having stop hole, the stop hole is provided with limit screw in the stop hole perpendicular to the axis of stepped hole.