CN109866158A - A kind of round spanner - Google Patents
A kind of round spanner Download PDFInfo
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- CN109866158A CN109866158A CN201711271500.9A CN201711271500A CN109866158A CN 109866158 A CN109866158 A CN 109866158A CN 201711271500 A CN201711271500 A CN 201711271500A CN 109866158 A CN109866158 A CN 109866158A
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- hole
- taper
- positioning
- round
- cone
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Abstract
A kind of round spanner, circle spanner includes pedestal (2), cover board (1), fixed half-round compasses (3), movable half-round compasses (4), screw rod (5) and handle (6), pedestal (2) include threaded hole (21), centre bore (22), recessed position (23), threaded hole (24), rope fastening hole (25), slider bar (26), positioning cone (27)；Cover board (1) includes screw hole (11), centre bore (12), limit circular cone (13)；Fixed half-round compasses (3) include positioning cone (31), positioning taper hole (32), semicircle taper hole (33)；Movable half-round compasses (4) includes semicircle taper hole (41), positioning taper hole (42), sliding groove (43), handle hole (44), lathe is using circle spanner, its main shaft and bearing holder (housing, cover) no longer milling straight flute hole, taper shank can also be used less than 10mm for cutter or cutlery diameter, circle spanner can improve main axe intensity indirectly, improve the machining accuracy of centre bore.
Description
Technical field
The invention belongs to mechanical tools, more particularly, to a kind of tool for dismantling taper shank shape cutter and cutlery.
Background technique
In standard cutter that machinery industry uses, cutlery, knife bar is divided into staight shank and taper shank, by taking fluted drill as an example,
The fluted drill of usual bore diameter≤10mm is straight shank drill, and diameter then has staight shank and taper shank two in 10 to 19mm fluted drill
Kind, diameter is greater than >=and 19mm is taper-shank drill, and straight shank drill is accommodated using iron three-jaw drill chuck and is processed, was mechanic
People be known that, the spanner of present iron three-jaw drill chuck not how, firmly too light, drill bit is not easy to lock, and may skid, firmly
Too big, spanner, iron three-jaw drill chuck are easily damaged, and the handle portion of especially spanner is too thin, are easy the curved or umbrella tooth time
It with long, is also easily damaged, many mechanics push against the umbrella tooth of iron three-jaw drill chuck by steel object, using percussion
Method locking, this method are also easily damaged umbrella tooth, and the operating instruction of many companies is the method locking forbidden using tapping
Iron three-jaw drill chuck, but effect and bad, it is the too difficult use of spanner really, most of administrative staff can only also open one eye and close
One eye, and taper shank equally exists hard defects, in order to take out taper shank, present lathe is the milling straight flute mouth on main shaft and bearing holder (housing, cover),
Then angle iron is utilized, taps angle iron using hammer, milling straight flute mouth on main shaft and bearing holder (housing, cover) has not the mechanical strength of main shaft
Benefit influences, and therefore, bit diameter≤10mm fluted drill does not use fluted drill, is exactly main shaft limited rigidity itself, mills out straight
After slot, main shaft is rigidly difficult to reach standard, and in the processing of center hole of shaft part, the concentricity of centre bore is post-production
The important guarantee of quality, and centre drill is based on staight shank, still, the locking of iron three-jaw drill chuck, iron three-jaw drill chuck itself it is same
Heart degree cannot be compared with taper shank, and if it is more long drill chuck is used, concentricity is worse, and some factory's centre drills are using dedicated
Drill chuck is to separate with drill chuck of drilling machine, and exactly for the caving-in bash for guaranteeing centre bore concentricity, bearing holder (housing, cover) refers to main shaft
The cylindric part of outside installation main shaft bearing.
Summary of the invention
The origin of technical problem, in staight shank cutter and cutlery, the pinch bar of the iron three-jaw drill chuck used is very thin, holds
Easy bending is easily damaged iron three-jaw drill chuck, iron using the method locking cutter and cutlery for tapping iron three-jaw drill chuck umbrella tooth
Three-jaw drill chuck accommodates that power is limited, and locking loosely, be easy to cause cutter and cutlery to skid, skid easily damage cutter, cutlery and
Iron three-jaw drill chuck then needs the milling straight flute on main shaft and bearing holder (housing, cover), milling straight flute is to main shaft when using taper-shank cutter and cutlery
It is adversely affected with the mechanical strength of bearing holder (housing, cover), and cutter and cutlery knife bar diameter≤10mm, it is difficult to use taper shank, iron three
The concentricity of pawl drill chuck is difficult to reach the concentricity of taper-shank drill, and when drill centers adversely affects Precision Machining.
Technical solution: a kind of round spanner, circle spanner include pedestal 2, cover board 1, fix half-round compasses 3, movable half-round compasses 4,
It is characterized in:
The pedestal 2 includes threaded hole 21, centre bore 22, recessed position 23, threaded hole 24, rope fastening hole 25, slider bar 26, positioning
Circular cone 27；
The cover board 1 includes screw hole 11, centre bore 12, limit circular cone 13；
The fixation half-round compasses 3 includes positioning cone 31, positioning taper hole 32, semicircle taper hole 33；
The movable half-round compasses 4 includes semicircle taper hole 41, positions taper hole 42, sliding groove 43, handle hole 44,
The threaded hole 21 is distributed on pedestal 2 at circumference array, the screw thread matching of screw thread and screw rod 5, and circumference array is
Refer to threaded hole in array circle spaced at equal angles around, array circle refers to the outer circle of pedestal 2；
The centre bore 22 is the center hole of pedestal 2, and centre bore is through-hole, and the aperture of centre bore is greater than the maximum of disassembly
1 ~ 20mm of maximum diameter of cutter or cutlery；
The recessed position is used to place fixed half-round compasses 3, movable half-round compasses 4, be recessed position depth=fixation half-round compasses 3 or
The thickness of movable half-round compasses 4, the diameter for being recessed position are greater than 1 ~ 20mm of diameter of movable half-round compasses 4 or fixed half-round compasses 3；
The screw thread of described its screw thread of threaded hole 24 and handle 6 matches；
The rope fastening hole 25 is through-hole, and rope fastening hole 25 is used to pierce into wirerope；
The depth of the 26 height=sliding groove 43 of slider bar, the width of 26 width of slider bar=sliding groove 43,26 He of slider bar
Sliding groove 43 cooperates, the running track that control activity half-round compasses 4 moves forward or back；
The positioning cone 27 its taper=positioning taper hole 32 taper, positioning cone 27 and positioning taper hole 32 cooperate, and prevent solid
It is mobile to determine half-round compasses, positioning cone 27 and positioning 32 quantity of taper hole and position be it is corresponding, 27 quantity of positioning cone be 2 and
2 or more；
Described its hole number of screw hole 11, position and threaded hole 21 are corresponding, and screw hole 11 is through-hole, and screw rod 5 passes through screw hole
11, then it is screwed into threaded hole 21, cover board 1 and pedestal 2 are locked；
The centre bore 12 is the center hole of cover board 1, and centre bore is through-hole, and the aperture of centre bore is greater than the maximum of disassembly
1 ~ 20mm of maximum diameter of cutter or cutlery；
The positioning cone 13 is circular cone outstanding on cover board 1, positioning cone 13 its taper=positioning taper hole taper, positioning
Circular cone 13 and positioning taper hole cooperation, prevent fixed half-round compasses mobile, positioning cone 13 and locating cone hole number and position are corresponding
, 27 quantity of positioning cone is 1 and 1 or more, and locating cone hole is located at the back side of the plane where locating cone hole 32；
The positioning cone 31 is the circular cone outstanding on its face A of fixed half-round compasses 3；
The positioning taper hole 32 is recess holes conical on fixed half-round compasses 3；
The semicircle taper hole 33 is that the taper of mohs tapered bore, taper and cutter or cutlery is identical；
The semicircle taper hole 41 is that the taper of mohs tapered bore, taper and cutter or cutlery is identical, semicircle 41 He of taper hole
Semicircle taper hole 33 constitutes a complete taper hole, and fixed half-round compasses 3 and activity 4 thickness of half-round compasses are identical, thickness 5mm ~
Between 30mm；
The positioning taper hole 42 is the recess holes of the cone on its face B of movable half-round compasses 4, positions the taper of taper hole 42=fixed
The taper of circle of position cone 31；
The sliding groove 43 is straight trough, sliding groove 43 and the face A or the face B into 90 degree；
The handle hole 44 is straight hole, and handle hole 44 is blind hole, and 44 aperture of handle hole is greater than 61 ~ 3mm of point diameter of handle, hand
6 front end of handle is cylindric and has chamfering or fillet.
The utility model has the advantages that being mentioned using circle spanner disassembly cutter or the lathe of cutlery, the milling straight flute no longer on main shaft and bearing holder (housing, cover)
High main shaft rigidity can also use taper shank, avoid locking cutter or cutlery for cutter or cutlery knife bar diameter≤10mm
When the slipping phenomenon that occurs, the concentricity of centre bore when can be improved finishing.
Detailed description of the invention
Fig. 1 is round spanner structure schematic diagram；
Attached drawing 2 is fixed half-round compasses structural schematic diagram；
Attached drawing 3 is movable half-round compasses structural schematic diagram；
Attached drawing 4 is movable half-round compasses structural schematic diagram；
Attached drawing 5 is schematic diagram of base structure；
Attached drawing 6 is covering plate structure schematic diagram；
Attached drawing 7 is angle iron structural schematic diagram.
In figure, 1 is cover board, and 2 be pedestal, and 3 be fixed half-round compasses, and 4 be movable half-round compasses, and 5 be screw rod, and 6 be handle, and 7 are
Rope fastening hole, 31 be positioning cone, and 32 be positioning taper hole, and 33 be semicircle taper hole, and 41 be semicircle taper hole, and 42 be positioning taper hole,
43 be sliding groove, and 44 be handle hole, and 21 be threaded hole, and 22 be centre bore, and 23 be recessed position, and 24 be threaded hole, and 25 be rope fastening hole,
26 be slider bar, and 27 be positioning cone, and 11 be screw hole, and 12 be centre bore, and 13 be positioning cone, A be on fixed half-round compasses and
The contact surface of movable half-round compasses, B are the contact surfaces on movable half-round compasses with fixed half-round compasses.
Specific embodiment
Applicant is explained the structure and principle of the application referring to attached drawing,
Realize the application, the taper shank of cutter or cutlery needs to reserve the operating space of round spanner, that is, cutter or cutlery
Taper shank need to reserve 5 to 30mm length outside spindle taper hole, present tapered bore of machine tool spindle have it is reserved, circle spanner therefore
Compatible present lathe,
Circle spanner is made of cover board 1, pedestal 2, movable half-round compasses 4, fixed half-round compasses 3, screw rod 5, handle 6, by movable half-round compasses 4
Recessed position 23 is put into fixed half-round compasses 3, is covered tightly, is locked cover board 1 and pedestal 2 using screw rod 5, by tightening using cover board 1
Handle 6 pulls the handle of lathe, main shaft is moved up in this way, circle spanner is locked on the taper shank of cutter or cutlery, circle
Spanner pushes against lathe bed and then pulls at motivation bed handle, and circle spanner and bed piece generate active force, by cutter or cutlery from
It is taken out in tapered bore of machine tool spindle, here it is working principles and process that circle spanner removes cutter or cutlery, if machine tool chief axis liter
To highest point, circle spanner can't be contacted with lathe bed, it is only necessary to which parallels block on pad, therefore, circle spanner cover board 1 is magnet steel material
Material, facilitates attracting pad iron block.
Pedestal 2 includes threaded hole 21, centre bore 22, recessed position 23, threaded hole 24, rope fastening hole 25, slider bar 26, setting circle
Cone 21；
Threaded hole 21 is distributed on pedestal 2 at circumference array, and the screw thread matching of screw thread and screw rod 5, circumference array refers to screw thread
Hole refers to the outer circle of pedestal 2 in array circle spaced at equal angles around, array circle；
Centre bore 22 is the center hole of pedestal 2, and centre bore is through-hole, the aperture of centre bore be greater than disassembly maximum cutter or
Maximum 1 ~ 20mm of diameter of cutlery, citing, the maximum cutter or cutlery of circle spanner disassembly are diameter 36mm, then, centre bore
22 diameters are exactly 37mm ~ 56mm；
Recessed position is used to place fixed half-round compasses 3, movable half-round compasses 4, is recessed depth=fixation half-round compasses 3 or the activity half of position
The thickness of compasses 4, the diameter for being recessed position are greater than 1 ~ 10mm of diameter of movable half-round compasses 4 or fixed half-round compasses 3；
The matching of the screw thread of its screw thread of threaded hole 24 and handle 6, handle 5 are screwed into threaded hole 24, by turning 6 control activity of handle half
The movement of compasses 4, thus the taper shank of release or clamping cutter or cutlery；
Rope fastening hole 25 is through-hole, and rope fastening hole 25 is used to pierce into wirerope, has rope fastening hole 7 on angle iron, by circle spanner and triangle
Rope fastening hole 25 is crossed by Tie Tong and rope fastening hole 7 links together, in this way, using angle iron, the two connects when taper shank is taken out from tapered sleeve
It is connected together, is easy to use；
The depth of the 26 height=sliding groove 43 of slider bar, the width of 26 width of slider bar=sliding groove 43,26 He of slider bar
Sliding groove 43 cooperates, the running track that control activity half-round compasses 4 moves forward or back；
Positioning cone 27 its taper=positioning taper hole 32 taper, positioning cone 27 and positioning taper hole 32 cooperate, and prevent fixed semicircle
Rule movement, positioning cone 27 and positioning 32 quantity of taper hole and position be it is corresponding, 27 quantity of positioning cone be 2 and 2 with
On.
Cover board 1 includes screw hole 11, centre bore 12, limit circular cone 13；
Screw hole 11 its hole number, position and threaded hole 21 are corresponding, and screw rod 5 passes through screw hole 11, then is screwed into threaded hole 21, will cover
Plate 1 and pedestal 2 are locked；
Centre bore 12 is the center hole of cover board 1, and centre bore is through-hole, the aperture of centre bore be greater than disassembly maximum cutter or
Maximum 1 ~ 20mm of diameter of cutlery, citing, the maximum cutter or cutlery of circle spanner disassembly are diameter 36mm, then, centre bore
12 diameters are exactly 37mm ~ 56mm；
The positioning cone 13 is circular cone outstanding on cover board 1, positioning cone 13 its taper=positioning taper hole taper, positioning
Circular cone 13 and positioning taper hole cooperation, prevent fixed half-round compasses mobile, positioning cone 13 and locating cone hole number and position are corresponding
,
Positioning cone quantity is 1 and 1 or more, and locating cone hole is located at the back side of the plane where locating cone hole 32, positioning
Taper hole is not shown in the accompanying drawings.
Fixed half-round compasses 3 includes positioning cone 31, positioning taper hole 32, semicircle taper hole 33；
Positioning cone 31 is the circular cone outstanding on its face A of fixed half-round compasses 3；
Positioning taper hole 32 is recess holes conical on fixed half-round compasses 3；
Semicircle taper hole 33 is that the taper of mohs tapered bore, taper and cutter or cutlery is identical.
Movable half-round compasses 4 includes semicircle taper hole 41, positions taper hole 42, sliding groove 43, handle hole 44,
Semicircle taper hole 41 is that the taper of mohs tapered bore, taper and cutter or cutlery is identical, semicircle taper hole 41 and semicircle
Taper hole 33 constitutes a complete taper hole, and fixed half-round compasses 3 is identical with movable 4 thickness of half-round compasses, and thickness is between 5mm ~ 30mm；
Positioning taper hole 42 is the recess holes of the cone on its face B of movable half-round compasses 4, positions taper=positioning cone of taper hole 42
31 taper；
Sliding groove 43 is straight trough, sliding groove 43 and the face A or the face B into 90 degree；
Handle hole 44 is straight hole, and handle hole 44 is blind hole, and 44 apertures of handle hole=handle, 6 point diameter, 6 front end of handle is cylinder
Shape.
It should be noted that in process, positioning cone 13,27 uses and 1 integral structure of pedestal 2 or cover board
It is to have very big difficulty, is drilled on cover board 1 or pedestal 2, then that the turning of positioning column front end is conical, pressure
Enter the hole being drilled, and fix half-round compasses 3 and movable half-round compasses 4 in processing, fairly simple method is exactly first to process one
A compasses block, then processes mohs tapered bore, and by the sawing of compasses block at two pieces, still, such product, taper hole is not one complete
Taper hole, but, to circle spanner for, sawing loss part on properties of product influence less or sawing after reprocess
Mohs tapered bore, circle spanner devise cover board 1, are on the one hand to prevent fixed half-round compasses 3 and movable half-round compasses 4 from losing, on the other hand,
Its spindle outlet of some bed pieces is uneven, does not design cover board, directlys adopt fixed half-round compasses 3 and movable half-round compasses 4 pushes against bed
It has any problem when body, in the case where smooth for bed piece its spindle outlet, or in machine tooling, spindle outlet is processed
It is smooth, cover board 1 is not needed actually, when the fixation half-round compasses 3 for needing to change different size and movable half-round compasses 4, more just
Victory, therefore, pedestal use magnetic steel material, can attract fixed half-round compasses 3 and movable half-round compasses 4, prevent fixed half-round compasses 3 and live
Dynamic half-round compasses 4 is lost.
Claims (5)
1. a kind of round spanner, circle spanner includes pedestal (2), cover board (1), fixed half-round compasses (3), movable half-round compasses (4), feature
It is:
The pedestal (2) include threaded hole (21), centre bore (22), recessed position (23), threaded hole (24), rope fastening hole (25),
Slider bar (26), positioning cone (27)；
The cover board (1) includes screw hole (11), centre bore (12), limit circular cone (13)；
The fixation half-round compasses (3) includes positioning cone (31), positioning taper hole (32), semicircle taper hole (33)；
The movable half-round compasses (4) includes semicircle taper hole (41), positioning taper hole (42), sliding groove (43), handle hole (44).
2. round spanner according to claim 1, it is characterized in that:
The threaded hole (21) is distributed on pedestal (2) at circumference array, the screw thread matching of screw thread and screw rod (5), circumference
Array refers to threaded hole (21) in array circle spaced at equal angles around, and array circle refers to the outer circle of pedestal (2)；
The centre bore (22) is the center hole of pedestal (2), and centre bore (22) is through-hole, and the aperture of centre bore (22) is greater than
The maximum cutter of disassembly or 1 ~ 20mm of maximum diameter of cutlery；
The recessed position (23) is used to place fixed half-round compasses (3), movable half-round compasses (4), is recessed depth=fixation semicircle of position
The thickness for advising (3) perhaps movable half-round compasses (4) is recessed the diameter of position and is greater than movable half-round compasses (4) or fixed half-round compasses (3)
1 ~ 20mm of diameter；
The screw thread of described threaded hole (24) its screw thread and handle (6) matches；
The rope fastening hole (25) is through-hole, and rope fastening hole (25) is used to pierce into wirerope；
The depth of slider bar (26) height=sliding groove (43), the width of slider bar (26) width=sliding groove (43) are sliding
Dynamic item (26) and sliding groove (43) cooperation, the operating path that control activity half-round compasses (4) moves forward or back；
The taper of described its taper of positioning cone (27)=positioning taper hole (32), positioning cone (27) and positioning taper hole (32) are matched
It closes, prevents fixed half-round compasses (3) mobile, positioning cone (27) and positioning taper hole (32) quantity and position are corresponding, setting circles
Boring (27) quantity is 2 and 2 or more.
3. round spanner according to claim 1, it is characterized in that:
Screw hole (11) its hole number, position and the threaded hole (21) is corresponding, and screw hole (11) is through-hole, and screw rod (5) is worn
Screw hole (11) are crossed, then are screwed into threaded hole (21), cover board (1) and pedestal (2) are locked；
The centre bore (12) is the center hole of cover board (1), and centre bore (12) is through-hole, and the aperture of centre bore (12) is greater than
The maximum cutter of disassembly or 1 ~ 20mm of maximum diameter of cutlery；
The positioning cone (13) is circular cone outstanding on cover board (1), positioning cone (13) its taper=positioning taper hole cone
Degree, positioning cone (13) and positioning taper hole cooperation, prevent fixed half-round compasses (3) mobile, positioning cone (13) and locating cone hole count
It is corresponding for measuring with position, and positioning cone (27) quantity is 1 and 1 or more, and locating cone hole is located at locating cone hole (32) institute
At the back side of plane.
4. round spanner according to claim 1, it is characterized in that:
The positioning cone (31) is the circular cone outstanding on its face A of fixed half-round compasses (3), and the face A refers to fixed half-round compasses (3)
The contact surface of upper and movable half-round compasses (4)；
The positioning taper hole (32) is recess holes conical on fixed half-round compasses (3)；
The semicircle taper hole (33) is that the taper of mohs tapered bore, taper and cutter or cutlery is identical.
5. round spanner according to claim 1, it is characterized in that:
The semicircle taper hole (41) is that the taper of mohs tapered bore, taper and cutter or cutlery is identical, semicircle taper hole
(41) and semicircle taper hole (33) constitutes a complete taper hole, and fixed half-round compasses (3) are identical with movable half-round compasses (4) thickness,
Thickness is between 5mm ~ 30mm；
The positioning taper hole (42) is the recess holes of the cone on its face B of movable half-round compasses (4), positions the cone of taper hole (42)
The taper of degree=positioning cone (31), B refers on movable half-round compasses (4) and the contact surface of fixed half-round compasses (3)；
The sliding groove (43) is straight trough, and sliding groove (43) and the face A or the face B are at 90 degree；
The handle hole (44) is straight hole, and handle hole (44) is blind hole, 44 aperture of handle hole be greater than handle (6) point diameter 1 ~
3mm, handle (6) front end are cylindric and have chamfering or fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271500.9A CN109866158A (en) | 2017-12-05 | 2017-12-05 | A kind of round spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271500.9A CN109866158A (en) | 2017-12-05 | 2017-12-05 | A kind of round spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109866158A true CN109866158A (en) | 2019-06-11 |
Family
ID=66915340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711271500.9A Withdrawn CN109866158A (en) | 2017-12-05 | 2017-12-05 | A kind of round spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109866158A (en) |
-
2017
- 2017-12-05 CN CN201711271500.9A patent/CN109866158A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190611 |
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| WW01 | Invention patent application withdrawn after publication |