CN207564388U - A kind of round spanner - Google Patents
A kind of round spanner Download PDFInfo
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- CN207564388U CN207564388U CN201721672259.6U CN201721672259U CN207564388U CN 207564388 U CN207564388 U CN 207564388U CN 201721672259 U CN201721672259 U CN 201721672259U CN 207564388 U CN207564388 U CN 207564388U
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Abstract
A kind of round spanner, circle spanner include 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）Include screw hole（11）, centre bore（12）, limiting 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）Include semicircle taper hole（41）, positioning taper hole（42）, sliding groove（43）, handle hole（44）, lathe can also use taper shank for cutter or cutlery diameter using circle spanner, main shaft and bearing holder (housing, cover) no longer milling straight flute hole less than 10mm, and circle spanner can improve main axe intensity, improve the machining accuracy of centre bore indirectly.
Description
Technical field
The utility model belongs to machinery tool, more particularly, to a kind of tool for dismantling taper shank shape cutter and cutlery.
Background technology
In the standard cutter that is used in machinery industry, cutlery, dise knife bar is divided into staight shank and taper shank, using fluted drill as
Example, the fluted drill of usual bore diameter≤10mm is straight shank drill, and diameter then has staight shank and taper shank in 10 to 19mm fluted drill
Two kinds, diameter is more than >=and 19mm is taper-shank drill, and straight shank drill is accommodated using iron three-jaw drill chuck and processed, was mechanic
The people of people is 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, use
Power is too big, and spanner, iron three-jaw drill chuck are easily damaged, and the handle portion of especially spanner is too thin, easily during curved or umbrella tooth
Between with long, be 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 is also easily damaged umbrella tooth, and the operating instruction of many companies is the method lock forbidden using tapping
Tight 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
Wink at, and taper shank equally exists hard defects, in order to take out taper shank, present lathe is the milling straight flute on main shaft and bearing holder (housing, cover)
Mouthful, then using angle iron, tap angle iron using hammer, milling straight flute mouth on main shaft and bearing holder (housing, cover), to the mechanical strength of main shaft
It adversely affects, therefore, the fluted drill of bit diameter≤10mm is exactly main shaft limited rigidity itself not using fluted drill, milling
Go out after straight trough, main shaft is rigidly difficult to reach standard, and in the processing of center hole of shaft part, the concentricity of centre bore is the later stage
The important guarantee of processing quality, and centre drill is based on staight shank, still, the locking of iron three-jaw drill chuck, iron three-jaw drill chuck is in itself
Concentricity cannot be compared with taper shank, if using more long drill chuck, concentricity is worse, and some factory's centre drills uses
Special drill chuck is to separate with drill chuck of drilling machine, and exactly in order to ensure the caving-in bash of centre bore concentricity, bearing holder (housing, cover) refers to
The cylindric part of installation main shaft bearing on the outside of main shaft.
Utility model content
The origin of technical problem, in staight shank cutter and cutlery, the pinch bar of iron three-jaw drill chuck used is very thin, holds
Easy bending using the method locking cutter and cutlery for tapping iron three-jaw drill chuck umbrella tooth, is easily damaged iron three-jaw drill chuck, iron
Three-jaw drill chuck accommodates that power is limited, and locking loosely, be easy to cause cutter and cutlery and skids, skid easily damage cutter, cutlery and
Iron three-jaw drill chuck during using taper-shank cutter and cutlery, then needs the milling straight flute on main shaft and bearing holder (housing, cover), milling straight flute is to main shaft
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 using taper shank, iron three
The concentricity of pawl drill chuck is difficult to the concentricity for reaching 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, fixed half-round compasses 3, movable half-round compasses 4,
It is characterized in：
The pedestal 2 include threaded hole first 21, centre bore first 22, recessed position 23, threaded hole second 24, rope fastening hole second 25,
Slider bar 26, positioning cone second 27；
The cover board 1 includes screw hole 11, centre bore second 12, positioning cone the third 13；
The fixation half-round compasses 3 includes positioning cone first 31, positioning taper hole first 32, semicircle taper hole first 33；
The movable half-round compasses 4 includes semicircle taper hole second 41, positioning taper hole second 42, sliding groove 43, handle hole 44,
The threaded hole first 21 is distributed in into circumference array on pedestal 2, the screw thread matching of screw thread and screw rod 5, circumference
Array refers to that threaded hole justifies spaced at equal angles around in array, and array justifies the outer circle for referring to pedestal 2；
The centre bore first 22 is the center hole of pedestal 2, and centre bore is through-hole, and the aperture of centre bore is more than dismounting
Maximum cutter or 1 ~ 20mm of maximum diameter of cutlery；
The recessed position is used for placing fixed half-round compasses 3, movable half-round compasses 4, is recessed depth=fixation half-round compasses 3 of position
Either the thickness of movable half-round compasses 4 is recessed the diameter of position more than movable half-round compasses 4 or 1 ~ 20mm of diameter of fixed half-round compasses 3；
The screw thread matching of described its screw thread of threaded hole second 24 and handle 6；
The rope fastening hole second 25 is through-hole, and rope fastening hole second 25 is used for piercing into steel wire rope；
The depth of the 26 height=sliding groove 43 of slider bar, the width of 26 width of slider bar=sliding groove 43, slider bar
26 and sliding groove 43 coordinate, control activity half-round compasses 4 move forward or back running orbit；
The taper of the positioning cone second 27 its taper=positioning taper hole first 32, positioning cone second 27 and positioning taper hole first
32 cooperations, it is corresponding, setting circle to prevent fixed half-round compasses movement, positioning cone second 27 and 32 quantity of positioning taper hole first and position
It is 2 and 2 or more to bore 27 quantity of second；
Described its hole number of screw hole 11, position and threaded hole first 21 correspond to, and screw hole 11 is through-hole, and screw rod 5 passes through
Screw hole 11, then threaded hole first 21 is screwed into, cover board 1 and pedestal 2 are locked；
The centre bore second 12 is the center hole of cover board 1, and centre bore is through-hole, and the aperture of centre bore is more than dismounting
Maximum cutter or 1 ~ 20mm of maximum diameter of cutlery；
The positioning cone third is circular cone prominent on cover board 1, the cone of the third 13 its taper=positioning taper hole third of positioning cone
Degree, positioning cone the third 13 and positioning taper hole third coordinate, and prevent fixed half-round compasses movement, and positioning cone the third 13 and positioning taper hole third count
Amount and position are corresponding, described herein positioning taper holes third positioned at the back side of the plane where positioning taper hole first 32；
The positioning cone first 31 is the circular cone of the protrusion on its A face of fixed half-round compasses 3；
The positioning taper hole first 32 is recess holes conical on fixed half-round compasses 3；
The semicircle taper hole first 33 is that the taper of mohs tapered bore, taper and cutter or cutlery is identical；
The semicircle taper hole second 41 is that the taper of mohs tapered bore, taper and cutter or cutlery is identical, semicircle cone
Hole second 41 and semicircle taper hole first 33 form a complete taper hole, and fixed half-round compasses 3 is identical with 4 thickness of movable half-round compasses, thick
Degree is between 5mm ~ 30mm；
The positioning taper hole second 42 is the recess holes of the cone on its B face of movable half-round compasses 4, positioning taper hole second 42
The taper of taper=positioning cone first 31；
The sliding groove 43 is straight trough, sliding groove 43 and A faces or B faces into 90 degree；
The handle hole 44 is straight hole, and handle hole 44 is blind hole, 44 aperture of handle hole be more than 6 point diameter 1 of handle ~
3mm, 6 front end of handle are cylindric and have chamfering or a fillet.
Advantageous effect：The lathe of cutter or cutlery is dismantled using circle spanner, the milling straight flute no longer on main shaft and bearing holder (housing, cover) carries
High main shaft rigidity for cutter or cutlery knife bar diameter≤10mm, can also use taper shank, avoid locking cutter or cutlery
When the slipping phenomenon that occurs, the concentricity of centre bore when can improve finishing.
Description of the drawings
Fig. 1 is round spanner structure schematic diagram；
Attached drawing 2 is fixed half-round compasses structure diagram；
Attached drawing 3 is movable half-round compasses structure diagram；
Attached drawing 4 is movable half-round compasses structure diagram；
Attached drawing 5 is understructure schematic diagram；
Attached drawing 6 is covering plate structure schematic diagram；
Attached drawing 7 is angle iron structure 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 first, 31 be positioning cone first, and 32 be positioning taper hole first, and 33 be semicircle taper hole first, and 41 be semicircle taper hole second, and 42 are
Taper hole second is positioned, 43 be sliding groove, and 44 be handle hole, and 21 be threaded hole first, and 22 be centre bore first, and 23 be recessed position, and 24 be spiral shell
Pit second, 25 be rope fastening hole second, and 26 be slider bar, and 27 be positioning cone second, and 11 be screw hole, and 12 be centre bore second, and 13 be fixed
Circle of position bores third, A is on fixed half-round compasses and the contact surface of movable half-round compasses, and B is on movable half-round compasses and fixed half-round compasses connects
Contacting surface.
Specific embodiment
Applicant is explained the structure and principle of the application with reference 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 sword
The taper shank of tool needs to reserve 5 to 30mm length outside spindle taper hole, present tapered bore of machine tool spindle have it is reserved, circle spanner because
This is also compatible with 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 activity half
Compasses 4 and fixed half-round compasses 3 put recessed position 23 into, are covered tightly using cover board 1, lock cover board 1 and pedestal 2 using screw rod 5, pass through
Handle 6 is tightened, in this way, circle spanner is locked on the taper shank of cutter or cutlery, the handle of lathe is pulled, by main shaft to moving up
Dynamic, circle spanner pushes against lathe bed and then pulls at motivation bed handle, and circle spanner and bed piece act power, by cutter or
Cutlery takes out from tapered bore of machine tool spindle, here it is the operation principle and process that circle spanner removes cutter or cutlery, if lathe
Main shaft is raised to peak, and 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
Magnetic steel material facilitates attracting pad iron block.
Pedestal 2 includes threaded hole first 21, centre bore first 22, recessed position 23, threaded hole second 24, rope fastening hole second 25, slider bar
26th, positioning cone second 27；
Threaded hole first 21 is distributed in into circumference array on pedestal 2, the screw thread matching of screw thread and screw rod 5, and circumference array is
Refer to threaded hole and justify spaced at equal angles around in array, array justifies the outer circle for referring to pedestal 2；
Centre bore first 22 is the center hole of pedestal 2, and centre bore is through-hole, and the aperture of centre bore is more than the maximum of dismounting
Maximum 1 ~ 20mm of diameter of cutter or cutlery, citing, the maximum cutter or cutlery of circle spanner dismounting are diameter 36mm, then,
22 diameter of centre bore first is exactly 37mm ~ 56mm；
Recessed position is used for placing fixed half-round compasses 3, movable half-round compasses 4, is recessed depth=fixation half-round compasses 3 or living of position
The thickness of dynamic half-round compasses 4, the diameter for being recessed position are more than 1 ~ 10mm of diameter of movable half-round compasses 4 or fixed half-round compasses 3；
The screw thread of its screw thread of threaded hole second 24 and handle 6 matches, and handle 5 is screwed into threaded hole second 24, is controlled by turning handle 6
The movement of activity half-round compasses 4 processed, so as to unclamp or the taper shank of clamping cutter or cutlery；
Rope fastening hole second 25 is through-hole, and rope fastening hole second 25 is used for piercing into steel wire rope, has rope fastening hole first 7 on angle iron, by circle
Spanner and angle iron are linked together by rope fastening hole second 25 and rope fastening hole first 7, in this way, when taper shank is taken out from tapered sleeve, profit
With angle iron, the two links together, 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, slider bar
26 and sliding groove 43 coordinate, control activity half-round compasses 4 move forward or back running orbit；
The taper of positioning cone second 27 its taper=positioning taper hole first 32, positioning cone second 27 and positioning taper hole first 32 coordinate,
It is corresponding, positioning cone second 27 to prevent fixed half-round compasses movement, positioning cone second 27 and 32 quantity of positioning taper hole first and position
Quantity is 2 and 2 or more.
Cover board 1 includes screw hole 11, centre bore second 12, positioning cone the third 13；
Screw hole 11 its hole number, position and threaded hole first 21 correspond to, and screw rod 5 passes through screw hole 11, then is screwed into threaded hole
First 21 locks cover board 1 and pedestal 2；
Centre bore second 12 is the center hole of cover board 1, and centre bore is through-hole, and the aperture of centre bore is more than the maximum of dismounting
Maximum 1 ~ 20mm of diameter of cutter or cutlery, citing, the maximum cutter or cutlery of circle spanner dismounting are diameter 36mm, then,
12 diameter of centre bore second is exactly 37mm ~ 56mm；
The positioning cone the third 13 is circular cone prominent on cover board 1, the third 13 its taper=positioning taper hole third of positioning cone
Taper, positioning cone the third 13 and positioning taper hole third coordinate, and prevent fixed half-round compasses movement, positioning cone the third 13 and positioning taper hole third
Quantity and position are the back side for the plane that corresponding, described herein positioning taper hole third is located at 32 place of positioning taper hole first, herein
The positioning taper hole third is not shown in the accompanying drawings.
Fixed half-round compasses 3 includes positioning cone first 31, positioning taper hole first 32, semicircle taper hole first 33；
Positioning cone first 31 is the circular cone of the protrusion on its A face of fixed half-round compasses 3；
It is recess holes conical on fixed half-round compasses 3 to position taper hole first 32；
Semicircle taper hole first 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 second 41, positioning taper hole second 42, sliding groove 43, handle hole 44,
Semicircle taper hole second 41 is that the taper of mohs tapered bore, taper and cutter or cutlery is identical, semicircle taper hole second 41
A complete taper hole is formed with semicircle taper hole first 33, fixed half-round compasses 3 is identical with 4 thickness of movable half-round compasses, and thickness is in 5mm
Between ~ 30mm；
Positioning taper hole second 42 is the recess holes of the cone on its B face of movable half-round compasses 4, the taper of positioning taper hole second 42=
The taper of positioning cone first 31；
Sliding groove 43 is straight trough, sliding groove 43 and A faces or B faces 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
It is cylindric.
It should be noted that in process, positioning cone the third 13, positioning cone second 27 use and pedestal 2 or lid
1 integral structure of plate is that have very big difficulty, is usually all to drill on cover board 1 or pedestal 2, then by positioning column front end vehicle
Cone is whittled into, is pressed into the hole being drilled, and fixes half-round compasses 3 and movable half-round compasses 4 in processing, fairly simple method
It is exactly first to process a compasses block, then processes mohs tapered bore, by the sawing of compasses block into two pieces, still, and such product, taper hole
A not complete taper hole, but, for circle spanner, the part of sawing loss influences less, either properties of product
Mohs tapered bore is reprocessed after sawing, circle spanner devises cover board 1, is on the one hand to prevent fixed half-round compasses 3 and movable half-round compasses 4 from losing
It loses, on the other hand, its spindle outlet of some bed pieces is uneven, does not design cover board, directly using fixed half-round compasses 3 and activity half
Compasses 4 are had any problem when pushing against lathe bed, for bed piece its spindle outlet it is smooth in the case of or in machine tooling, will
Spindle outlet processing is smooth, does not need to cover board 1 actually, when the fixation half-round compasses 3 and movable semicircle that need change different size
More convenient when advising 4, therefore, pedestal uses magnetic steel material, can attract fixed half-round compasses 3 and movable half-round compasses 4, prevents solid
Determine half-round compasses 3 and movable 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 first（21）, centre bore first（22）, recessed position（23）, threaded hole second（24）, rope fastening hole
Second（25）, slider bar（26）, positioning cone second（27）；
The cover board（1）Include screw hole（11）, centre bore second（12）, positioning cone third（13）；
The fixation half-round compasses（3）Include positioning cone first（31）, positioning taper hole first（32）, semicircle taper hole first（33）；
The movable half-round compasses（4）Include semicircle taper hole second（41）, positioning taper hole second（42）, sliding groove（43）, handle hole
（44）.
2. according to round spanner described in claim 1, it is characterized in that：
The threaded hole first（21）Pedestal is distributed in into circumference array（2）On, screw thread and screw rod（5）Screw thread matching, circle
All arrays refer to threaded hole first（21）Justify spaced at equal angles around in array, array circle refers to pedestal（2）Outer circle；
The centre bore first（22）It is pedestal（2）Center hole, centre bore first（22）It is through-hole, centre bore first（22）Hole
Diameter is more than the maximum cutter of dismounting or 1 ~ 20mm of maximum diameter of cutlery；
The recessed position（23）For placing fixed half-round compasses（3）, movable half-round compasses（4）, depth=fixation semicircle of recessed position
Rule（3）Or movable half-round compasses（4）Thickness, the diameter for being recessed position is more than movable half-round compasses（4）Or fixed half-round compasses（3）'s
1 ~ 20mm of diameter；
The threaded hole second（24）Its screw thread and handle（6）Screw thread matching；
The rope fastening hole second（25）It is through-hole, rope fastening hole second（25）For piercing into steel wire rope；
The slider bar（26）Highly=sliding groove（43）Depth, slider bar（26）Width=sliding groove（43）Width, it is sliding
Dynamic item（26）And sliding groove（43）Cooperation, control activity half-round compasses（4）The operating path of forward or backward；
The positioning cone second（27）Its taper=positioning taper hole first（32）Taper, positioning cone second（27）With positioning taper hole
First（32）Cooperation prevents fixed half-round compasses（3）It is mobile, positioning cone second（27）With positioning taper hole first（32）Quantity and position are pair
It answers, positioning cone second（27）Quantity is 2 and 2 or more.
3. according to round spanner described in claim 1, it is characterized in that：
The screw hole（11）Its hole number, position and threaded hole first（21）It is corresponding, screw hole（11）It is through-hole, screw rod（5）
Across screw hole（11）, then it is screwed into threaded hole first（21）, by cover board（1）And pedestal（2）Locking；
The centre bore second（12）It is cover board（1）Center hole, centre bore second（12）It is through-hole, centre bore second（12）Hole
Diameter is more than the maximum cutter of dismounting or 1 ~ 20mm of maximum diameter of cutlery；
The positioning cone third（13）It is cover board（1）The circular cone of upper protrusion, positioning cone third（13）Its taper=positioning taper hole third
Taper, positioning cone third（13）Coordinate with positioning taper hole third, prevent fixed half-round compasses（3）It is mobile, positioning cone third（13）With
Positioning the third quantity of taper hole and position are that corresponding, described herein positioning taper hole third is located at positioning taper hole first（32）Place plane
The back side.
4. according to round spanner described in claim 1, it is characterized in that：
The positioning cone first（31）It is fixed half-round compasses（3）The circular cone of protrusion on its A face, A faces refer to fixed half-round compasses
（3）Upper and movable half-round compasses（4）Contact surface；
The positioning taper hole first（32）It is fixed half-round compasses（3）The recess holes of upper cone；
The semicircle taper hole first（33）Be mohs tapered bore, taper and cutter or cutlery taper it is identical.
5. according to round spanner described in claim 1, it is characterized in that：
The semicircle taper hole second（41）Be mohs tapered bore, taper and cutter or cutlery taper it is identical, semicircle taper hole
Second（41）With semicircle taper hole first（33）Form a complete taper hole, fixed half-round compasses（3）With movable half-round compasses（4）Thickness phase
Together, thickness is between 5mm ~ 30mm；
The positioning taper hole second（42）It is movable half-round compasses（4）The recess holes of cone on its B face, position taper hole second（42）
Taper=positioning cone first（31）Taper, B refers to movable half-round compasses（4）Upper and fixed half-round compasses（3）Contact surface；
The sliding groove（43）It is straight trough, sliding groove（43）With A faces or B faces into 90 degree；
The handle hole（44）It is straight hole, handle hole（44）It is blind hole, 44 aperture of handle hole is more than handle（6）Point diameter 1 ~
3mm, handle（6）Front end is cylindric and have chamfering or a fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721672259.6U CN207564388U (en) | 2017-12-05 | 2017-12-05 | A kind of round spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721672259.6U CN207564388U (en) | 2017-12-05 | 2017-12-05 | A kind of round spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207564388U true CN207564388U (en) | 2018-07-03 |
Family
ID=62690137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721672259.6U Active CN207564388U (en) | 2017-12-05 | 2017-12-05 | A kind of round spanner |
Country Status (1)
| Country | Link |
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| CN (1) | CN207564388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228037A (en) * | 2019-05-31 | 2019-09-13 | 西安法士特汽车传动有限公司 | A kind of Morse taper shank slotting tool is drawn sword device and method of drawing sword |
-
2017
- 2017-12-05 CN CN201721672259.6U patent/CN207564388U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228037A (en) * | 2019-05-31 | 2019-09-13 | 西安法士特汽车传动有限公司 | A kind of Morse taper shank slotting tool is drawn sword device and method of drawing sword |
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