CN105921830A - Automatic-feeding tapping device - Google Patents
Automatic-feeding tapping device Download PDFInfo
- Publication number
- CN105921830A CN105921830A CN201610506776.XA CN201610506776A CN105921830A CN 105921830 A CN105921830 A CN 105921830A CN 201610506776 A CN201610506776 A CN 201610506776A CN 105921830 A CN105921830 A CN 105921830A
- Authority
- CN
- China
- Prior art keywords
- hole
- morse
- slide
- guide bar
- feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
Abstract
The invention relates to the technical field of machine tool machining, in particular to an automatic-feeding tapping device. The automatic-feeding tapping device comprises a morse cone cutter handle with a flat tail, a morse outer circular cone sleeve with a flat tail, adjustable locking wedge iron, a connection shaft, a slide guide rod, a screw tap assembly and a positioning piece. The tail portion of the morse corn cutter handle with the flat tail sleeves the head portion of the morse outer circular cone sleeve with the flat tail. The tail portion of the morse outer circular cone sleeve with the flat tail sleeves the slide guide rod. The morse outer circular cone sleeve with the flat tail and the slide guide rod are connected through the connection shaft. The slide guide rod conducts axial displacement in the morse outer circular cone outer sleeve with the flat tail. The head portion of the morse cone cutter handle with the flat tail is connected with a cone hole of a machine tool spindle. The morse cone cutter handle with the flat tail rotates along with the machine tool. Due to the adoption of the automatic-feeding tapping device, the hole thread machining quality is effectively ensured, the machining efficiency is improved, the labor intensity is lowered, and the service life of tools is controlled.
Description
Technical field
The present invention relates to the technical field of machining, relate to all kinds of boring machine and planer-type milling machine processing hole spiral shell
Stricture of vagina tooling system, is specifically related to from feeding threading tool, is particularly well-suited to common boring machine, digital display milling boring
The machine tooling hole screw thread such as bed, ordinary gantry milling machine, digital display plane milling and boring machine, digital-control boring-milling machine.
Background technology
Lathe screw tap tapping it is critical only that lathe feed of every rotation must be exactly equal to processed screw thread
Pitch.As long as lathe ensures that feed of every rotation can complete screw thread process equal to thread pitch in theory,
But actual machine tool such as machine tool and digital display machine tool are when tapping, and main shaft rotary motion and axle enter
There is synchronous error to motion, aperture rotate shoot with hole at the bottom of stop counter moving back time, be easily generated random tooth,
The phenomenons such as screw tap fracture.Rotary speed parameter S that particularly display screen of digital display machine tool shows and feeding parameter F
There is error with actual speed and feeding, the hole screw thread causing processing is defective.Domestic heavy type numerical control machine
Bed there is also reverse error or mechanical motion unit synchronous error mostly.Digit Control Machine Tool typically uses floating
Threading knife handle tapping the most non-rigid tapping pattern, according to rigid tapping handle of a knife tapping, is easily generated spiral shell
Stricture of vagina off-gage phenomenon.Secondly, when processing U.S. standard screw thread, inch screw thread, pipe screw thread, thread pitch needs
Want computation of table lookup, pitch to be decimal, machine tool or digital display machine tool feed of every rotation to be difficult to adjust essence
Really.And in deep hole thread processing, use conventional holes processing method, cumulative error is big, be easily generated random tooth,
The phenomenons such as overproof, screw tap fracture.Screw thread process efficiency in hole is low in batches, difficult quality guarantee.
Summary of the invention
It is an object of the invention to provide auto-feed chasing bar, to solve present in prior art
Screw tap can not the technical problem of auto-feed.
The auto-feed chasing bar that the present invention provides, including band tang Morse's cone handle of a knife, band tang
Mohs outer cone sleeve, adjustable locking drift, connecting shaft, slide-and-guide bar, screw tap assembly and location
Part；
The afterbody of described band tang Morse's cone handle of a knife is socketed in described band tang Mohs outer cone sleeve
Head periphery, described band tang Morse's cone handle of a knife and described band tang Mohs outer cone sleeve are arranged
The first corresponding through hole, described adjustable locking drift is had to be arranged in described first through hole, by described
Band tang Morse's cone handle of a knife is fixing with described band tang Mohs outer cone sleeve to be connected；
The afterbody of described band tang Mohs outer cone sleeve is set in described slide-and-guide bar periphery, and institute
State band tang Mohs outer cone sleeve to threaded with described slide-and-guide bar, on described slide-and-guide bar
Being provided with the second through hole, described band tang Mohs outer cone sleeve is provided with in axial direction is oval
Hole, described connecting shaft passes described second through hole, it is possible to drive described slide-and-guide bar described oval
Axial displacement is done in hole；
Described screw tap assembly is arranged on the afterbody of described slide-and-guide bar, and described screw tap assembly is by described
Keeper is fixing with described slide-and-guide bar to be connected；
The taper hole of the head connecting machine tool main shaft of described band tang Morse's cone handle of a knife, described band tang is not
Family name's circular cone handle of a knife rotates with lathe；
It should be noted that the adjustable locking drift 2 that the technical program relates to is wedge ferrum, inclined sizing block
Main uses: for the horizontal and parallel adjustment of various equipment, make equipment not shake in operation process
Dynamic, inclination, it is ensured that the good operation of machine, reduces wear and tear in machines, it is ensured that equipment safety；Feature is:
Use simple, convenient, fast, mostly according to user need manufacture, by physical device base requirement
Design inclined sizing block drawing, then presses drawing processing and fabricating.
The optional technical scheme of the present invention is, also includes that axle jump ring, described axle jump ring are arranged on institute
State the two ends of connecting shaft, and described connecting shaft the most described slide-and-guide bar can be made only to produce axial position
Move, do not produce radial displacement.
The optional technical scheme of the present invention is, also includes rolling bearing, described rolling bearing and described company
Spindle is coaxially disposed, and is positioned at inside two described axle jump rings, and the most described rolling bearing can be in institute
The inwall stating slotted hole slides axially.
The optional technical scheme of the present invention is, described connecting shaft both sides have and coaxially set with described connecting shaft
The carrier put, the diameter of described carrier is less than the diameter of described connecting shaft body, described carrier
The described rolling bearing of outer socket.
The optional technical scheme of the present invention is, described screw tap assembly includes screw tap and tap chuck, described
It is provided with the first screwed hole being connected with described screw-tap threaded, on tap chuck on described tap chuck also
Being provided with the first hole, location, the afterbody of described slide-and-guide bar is provided with relative with described first hole, location
The second hole, location answered；
The described screw tap of every kind of different model is provided with a tap chuck matched with described screw tap
The optional technical scheme of the present invention is, described keeper is shop bolt or location screw；
Described keeper is through described first hole, location and described second hole, location and described slide-and-guide bar
Fixing connection；
Described keeper can transmit moment of torsion in rotary course.
The optional technical scheme of the present invention is, the afterbody of described band tang Morse's cone handle of a knife is provided with
One endoporus, described band tang Mohs outer cone sleeve is less than Φ with the axiality of described first endoporus
0.02mm。
The optional technical scheme of the present invention is, the afterbody of described band tang Mohs outer cone sleeve is provided with
Second endoporus, described slide-and-guide bar uses interference fits with described second endoporus.
The optional technical scheme of the present invention is, described first endoporus is the hole of inner wall smooth.
The optional technical scheme of the present invention is, described second endoporus is screwed hole.
It should be noted that band tang Morse's cone handle of a knife and band tang Mohs outer cone sleeve connection,
The axial play of both adjustable locking wedge ferropexies, tang transmission moment of torsion；Slide-and-guide bar is assemblied in band
In tang Mohs outer cone sleeve, insert connecting shaft, load onto rolling bearing axle jump ring location, sliding
Action-oriented bar is with the rotation of lathe and the rotation of screw tap and then carries out feed motion in axial direction,
Connecting pin transmission moment of torsion rotates, and these assembly parts need not dismounting separately, reusable in
Screw thread process；Tap chuck is connected with slide-and-guide bar by shop bolt, wherein tap chuck according to
Screw tap is from making different model tap chuck；Screw tap is contained on tap chuck, assemble the most at last from
In feeding threading knife handle connecting machine tool main shaft taper hole, rotate, reach tapping auto-feed function；
Described tap chuck is self-made components, and tap chuck is connected on slide-and-guide bar by shop bolt,
Can select different size tap chuck according to screw tap shank size, its interchangeability is good；Screw tap is arranged on screw tap
On chuck, screw tap location is reliable, and precision is high, excellent cutting performance.
The invention have the benefit that
Use the self-tapping feed arrangement of the present invention, it is to avoid generation screw thread unrest tooth, screw thread are overproof, silk
The phenomenons such as cone fracture；During processing U.S. standard screw thread, inch screw thread, pipe screw thread, it is not necessary to computation of table lookup spiral shell
Stricture of vagina pitch, follows screw tap feeding from feeding chasing bar；Be applicable to common boring machine, digital display milling-boring machine,
The machine tooling hole screw threads such as ordinary gantry milling machine, digital display plane milling and boring machine, digital-control boring-milling machine；Effectively protect
Card hole screw processing quality, improves working (machining) efficiency, reduces labor intensity, and cutter life is controlled.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, under
The accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described by face,
It should be evident that the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
The auto-feed chasing bar that Fig. 1 provides for the present invention partly cut open structural representation；
The assembling structural representation of the auto-feed chasing bar that Fig. 2 provides for the present invention.
Reference:
1-band tang Morse's cone handle of a knife；2-adjustable locking drift；
3-band tang Mohs outer cone sleeve；4-connecting shaft；
5-rolling bearing；6-axle jump ring；
7-slide-and-guide bar；8-shop bolt；
9-tap chuck；10-screw tap.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that
Described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in bright, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, " left ",
Orientation or the position relationship of the instruction such as " right ", " vertically ", " level ", " interior ", " outward " are based on attached
Orientation shown in figure or position relationship, be for only for ease of description the present invention and simplify describe rather than
Instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, is therefore not considered as limiting the invention.Additionally, term " first ", " second ", "
Three " it is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, art
Language " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals
Connection.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of auto-feed chasing bar that the present embodiment provides, flat including carrying
Tail Morse's cone handle of a knife 1, band tang Mohs outer cone sleeve 3, adjustable locking drift 2, connecting shaft 4,
Slide-and-guide bar 7, screw tap assembly and keeper；
Afterbody with tang Morse's cone handle of a knife 1 is socketed in the head of band tang Mohs outer cone sleeve 3
Periphery, band tang Morse's cone handle of a knife 1 be provided with on band tang Mohs outer cone sleeve 3 corresponding
The first through hole, adjustable locking drift 2 is arranged in the first through hole, by band tang Morse's cone handle of a knife 1
Fix with band tang Mohs outer cone sleeve 3 and be connected；
Afterbody with tang Mohs outer cone sleeve 3 is set in slide-and-guide bar 7 periphery, and band tang
Mohs outer cone sleeve 3 is connected by connecting shaft 4 with slide-and-guide bar 7, and slide-and-guide bar 7 sets
It is equipped with the second through hole, band tang Mohs outer cone sleeve 3 is provided with slotted hole in axial direction,
Connecting shaft 4 is through the second through hole, it is possible to drive slide-and-guide bar 7 to do axial displacement in slotted hole；
Screw tap assembly is arranged on the afterbody of slide-and-guide bar 7, and screw tap assembly is led with slip by keeper
To the fixing connection of bar 7；
The taper hole of the head connecting machine tool main shaft with tang Morse's cone handle of a knife 1, band tang Morse's cone
Handle of a knife 1 rotates with lathe；
It should be noted that the adjustable locking drift 2 that the present embodiment relates to is wedge ferrum, inclined sizing block master
Want purposes: for the horizontal and parallel adjustment of various equipment, make equipment not shake in operation process
Dynamic, inclination, it is ensured that the good operation of machine, reduces wear and tear in machines, it is ensured that equipment safety；Feature is:
Use simple, convenient, fast, mostly according to user need manufacture, by physical device base requirement
Design inclined sizing block drawing, then presses drawing processing and fabricating.
Having the beneficial effect that of the present embodiment
Use the auto-feed chasing bar of the present embodiment, it is possible to avoid producing screw thread unrest tooth, screw thread surpasses
The phenomenons such as difference, screw tap fracture；During processing U.S. standard screw thread, inch screw thread, pipe screw thread, it is not necessary to table look-up
Calculate thread pitch, follow screw tap feeding from feeding chasing bar；It is applicable to common boring machine, digital display milling
The machine tooling hole screw threads such as boring machine, ordinary gantry milling machine, digital display plane milling and boring machine, digital-control boring-milling machine；
Hole screw processing quality being effectively ensured, improves working (machining) efficiency, reduce labor intensity, cutter life is controlled
System.
Embodiment 2
As illustrated in fig. 1 and 2, a kind of auto-feed chasing bar that the present embodiment provides, flat including carrying
Tail Morse's cone handle of a knife 1, band tang Mohs outer cone sleeve 3, adjustable locking drift 2, connecting shaft 4,
Slide-and-guide bar 7, screw tap assembly and keeper；
Afterbody with tang Morse's cone handle of a knife 1 is socketed in the head of band tang Mohs outer cone sleeve 3
Periphery, band tang Morse's cone handle of a knife 1 be provided with on band tang Mohs outer cone sleeve 3 corresponding
The first through hole, adjustable locking drift 2 is arranged in the first through hole, by band tang Morse's cone handle of a knife 1
Fix with band tang Mohs outer cone sleeve 3 and be connected；
Afterbody with tang Mohs outer cone sleeve 3 is set in slide-and-guide bar 7 periphery, and band tang
Mohs outer cone sleeve 3 is connected by connecting shaft 4 with slide-and-guide bar 7, and slide-and-guide bar 7 sets
It is equipped with the second through hole, band tang Mohs outer cone sleeve 3 is provided with slotted hole in axial direction,
Connecting shaft 4 is through the second through hole, it is possible to drive slide-and-guide bar 7 to do axial displacement in slotted hole；
Screw tap assembly is arranged on the afterbody of slide-and-guide bar 7, and screw tap assembly is led with slip by keeper
To the fixing connection of bar 7；
The taper hole of the head connecting machine tool main shaft with tang Morse's cone handle of a knife 1, band tang Morse's cone
Handle of a knife 1 rotates with lathe；
It should be noted that the adjustable locking drift 2 that the present embodiment relates to is wedge ferrum, inclined sizing block master
Want purposes: for the horizontal and parallel adjustment of various equipment, make equipment not shake in operation process
Dynamic, inclination, it is ensured that the good operation of machine, reduces wear and tear in machines, it is ensured that equipment safety；Feature is:
Use simple, convenient, fast, mostly according to user need manufacture, by physical device base requirement
Design inclined sizing block drawing, then presses drawing processing and fabricating.
The optional technical scheme of the present invention is, also includes that axle jump ring 6, axle jump ring 6 are arranged on connection
The two ends of axle 4, and the relative slide-and-guide bar 7 of connecting shaft 4 can be made not produce radial displacement.
The optional technical scheme of the present invention is, also includes rolling bearing 5, rolling bearing 5 and connecting shaft 4
Being coaxially disposed, be positioned at inside two axle jump rings 6, rolling bearing 5 can be in slotted hole simultaneously
Slide between wall.
The optional technical scheme of the present invention is, connecting shaft 4 both sides have and are coaxially disposed with connecting shaft 4
Carrier, the diameter of carrier, less than the diameter of connecting shaft 4 body, is socketed rolling bearing 5 outside carrier.
The optional technical scheme of the present invention is, screw tap assembly includes screw tap 10 and tap chuck 9, screw tap
It is provided with the first screwed hole threadeded with screw tap 10 on chuck 9, tap chuck 9 is additionally provided with
First hole, location, the afterbody of slide-and-guide bar 7 is provided with second location corresponding with the first hole, location
Hole；
The screw tap 10 of every kind of different model is provided with a tap chuck 9 matched with screw tap 10
The optional technical scheme of the present invention is, keeper is shop bolt 8 or location screw；
Keeper passes the first hole, location and the second hole, location and fixes with slide-and-guide bar 7 and be connected；
Keeper can transmit moment of torsion in rotary course.
The optional technical scheme of the present invention is, the afterbody of band tang Morse's cone handle of a knife 1 is provided with first
Endoporus, the axiality of band tang Mohs outer cone sleeve 3 and the first endoporus is less than Φ 0.02mm.
The optional technical scheme of the present invention is, the afterbody of band tang Mohs outer cone sleeve 3 is provided with
Two endoporus, slide-and-guide bar 7 and the second endoporus use interference fits.
The optional technical scheme of the present invention is, the first endoporus is the hole of inner wall smooth.
The optional technical scheme of the present invention is, the second endoporus is screwed hole.
It should be noted that band tang Morse's cone handle of a knife 1 is with band tang Mohs outer cone sleeve 3 even
Connecing, adjustable locking drift 2 fixes both axial play, tang transmission moment of torsion；Slide-and-guide bar 7
It is assemblied in band tang Mohs outer cone sleeve 3, inserts connecting shaft 4, load onto rolling bearing 5 and use with axle
Jump ring 6 positions, and slide-and-guide bar 7 is with the rotation of lathe and the rotation of screw tap 10 and then carries out along axle
To the feed motion in direction, it may be assumed that lathe drives band tang Morse's cone handle of a knife 1 to turn clockwise, and enters
And drive screw tap 10 to turn clockwise, and the rotating speed of band tang Morse's cone handle of a knife 1 and screw tap 10
Rotating speed identical, owing to screw tap 10 can produce and the torsional forces of tap chuck 9 in rotary course, this
Individual torsional forces can be transferred on slide-and-guide bar 7 by shop bolt 8 again, and slide-and-guide bar 7 is passing
Carry out feed motion in axial direction under the effect of the torsional forces passed, it is achieved auto-feed, feeding away from
After setting, can calculate, according to the flight pitch of screw tap 10, the number of turns that screw tap 10 needs to rotate, i.e.
Screw tap 10 needs the number of turns rotated to be exactly band tang Morse's cone handle of a knife 1 number of turns to be rotated.Entering
During giving, shop bolt 8 serves the effect that transmission moment of torsion rotates.This technical pattern is not
Need dismounting separately, reusable in screw thread process；Tap chuck 9 is by shop bolt 8 and slides
Action-oriented bar 7 connects, and wherein tap chuck 9 makes different model tap chuck 9 certainly according to screw tap 10；
Screw tap 10 is contained on tap chuck 9, assemble the most at last from feeding threading knife handle connecting machine tool main shaft
In taper hole, rotate, reach tapping auto-feed function；
Tap chuck 9 is self-made components, and tap chuck 9 is connected to slide-and-guide bar 7 by shop bolt 8
On, different size tap chuck 9 can be selected according to screw tap shank size, its interchangeability is good；Screw tap 10 is pacified
Being contained on tap chuck 9, screw tap 10 positions reliably, and precision is high, excellent cutting performance.
Needing further exist for explanation, the model of band tang Morse's cone handle of a knife 1 is BT50 (optimal type
Number for BT50-M6-310) belong to nonstandard handle of a knife, by cutter, manufacturer has made to order；
It is applicable on most of large floor milling-boring machine, plane milling and boring machine, and above-mentioned lathe the most all join
This handle of a knife standby, this handle of a knife has wide range of applications, and the class handle of a knife that can be used for holing is it can also be used to cutting tool for boring
Class handle of a knife etc.；
Band tang Mohs outer cone sleeve 3 is 6 extra circular cone sleeves；
The auto-feed chasing bar of the present embodiment is made up of band tang Mohs 6 extra circular cone handle and sleeve,
By sleeve weld on band tang Mohs 6 extra circular cone handle, process hub internal bore, it is ensured that band tang is not
Family name 6 extra circular cone and hub internal bore are coaxially less than Φ 0.02mm；
Band tang Mohs 6 extra circular cone knife bar and band tang Morse's cone hole BT50 handle of a knife pass through adjustable lock
Tight drift connects；
Slide-and-guide bar 7 is self-made components, slide-and-guide bar 7 and band tang Mohs 6 extra circular cone sleeve
Endoporus is interference fits；
By self-control connecting shaft, self-made rolling bearing, outsourcing axle jump ring, slide-and-guide bar 7 is filled
Fit in band tang Mohs 6 extra circular cone sleeve；
Slide-and-guide bar 7 can be in axial sliding vertically；
The invention have the benefit that
Using the self-tapping feed arrangement of the present invention, transmission moment of torsion is big (reaching 700Nm), has simultaneously
Axially from feed function；It can be avoided that in tapping process produce screw thread unrest tooth, screw thread is overproof, screw tap is disconnected
The phenomenon such as split；During processing U.S. standard screw thread, inch screw thread, pipe screw thread, it is not necessary to computation of table lookup screw thread spiral shell
Away from, follow screw tap feeding from feeding chasing bar；It is applicable to common boring machine, digital display milling-boring machine, common
The machine tooling hole screw threads such as planer-type milling machine, digital display plane milling and boring machine, digital-control boring-milling machine；Hole is effectively ensured
Screw processing quality, improves working (machining) efficiency, reduces labor intensity, and cutter life is controlled.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than
It is limited；Although the present invention being described in detail with reference to foregoing embodiments, this area
Those of ordinary skill is it is understood that the technical scheme described in foregoing embodiments still can be entered by it
Row amendment, or the most some or all of technical characteristic is carried out equivalent；And these amendment or
Person replaces, and does not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an auto-feed chasing bar, it is characterised in that: include band tang Morse's cone handle of a knife,
Band tang Mohs outer cone sleeve, adjustable locking drift, connecting shaft, slide-and-guide bar, screw tap assembly
And keeper；
The afterbody of described band tang Morse's cone handle of a knife is socketed in described band tang Mohs outer cone sleeve
Head periphery, described band tang Morse's cone handle of a knife and described band tang Mohs outer cone sleeve are arranged
The first corresponding through hole, described adjustable locking drift is had to be arranged in described first through hole, by described
Band tang Morse's cone handle of a knife is fixing with described band tang Mohs outer cone sleeve to be connected；
The afterbody of described band tang Mohs outer cone sleeve is set in described slide-and-guide bar periphery, and institute
Stating band tang Mohs outer cone sleeve to be connected by connecting shaft with described slide-and-guide bar, described slip is led
On bar, it is provided with the second through hole, described band tang Mohs outer cone sleeve is provided with in axial direction
Slotted hole, described connecting shaft pass described second through hole, it is possible to drive described slide-and-guide bar in institute
Axial displacement is done in stating slotted hole；
Described screw tap assembly is arranged on the afterbody of described slide-and-guide bar, and described screw tap assembly is by described
Keeper is fixing with described slide-and-guide bar to be connected.
Auto-feed chasing bar the most according to claim 1, it is characterised in that: also include axle
With jump ring, described axle jump ring is arranged on the two ends of described connecting shaft, and can make described connecting shaft phase
Described slide-and-guide bar is only produced axial displacement.
Auto-feed chasing bar the most according to claim 2, it is characterised in that: also include rolling
Dynamic bearing, described rolling bearing is coaxially disposed with described connecting shaft, is positioned at two described axle jump rings
Side, the most described rolling bearing can slide axially at the inwall of described slotted hole.
Auto-feed chasing bar the most according to claim 3, it is characterised in that: described connection
Axle both sides have the carrier being coaxially disposed with described connecting shaft, and the diameter of described carrier is less than described
The diameter of connecting shaft body, is socketed described rolling bearing outside described carrier.
5. according to the auto-feed chasing bar described in Claims 2 or 3, it is characterised in that: described
Screw tap assembly includes screw tap and tap chuck, described tap chuck is provided with described screw-tap threaded even
The first screwed hole connect, described tap chuck is additionally provided with the first hole, location, described slide-and-guide bar
Afterbody be provided with described first location hole corresponding second location hole；
The described screw tap of every kind of different model is provided with a screw tap clamp matched with described screw tap
Set.
Auto-feed chasing bar the most according to claim 5, it is characterised in that: described location
Part is shop bolt or location screw；
Described keeper is through described first hole, location and described second hole, location and described slide-and-guide bar
Fixing connection；
Described keeper can transmit moment of torsion in rotary course.
Auto-feed chasing bar the most according to claim 1, it is characterised in that: described band is flat
The afterbody of tail Morse's cone handle of a knife is provided with the first endoporus, described band tang Mohs outer cone sleeve and institute
State the axiality of the first endoporus less than Φ 0.02mm.
8. according to the auto-feed chasing bar described in claim 1 or 7, it is characterised in that: described
Afterbody with tang Mohs outer cone sleeve is provided with the second endoporus, described slide-and-guide bar and described the
Two endoporus use interference fits.
Auto-feed chasing bar the most according to claim 7, it is characterised in that: described first
Endoporus is the hole of inner wall smooth.
Auto-feed chasing bar the most according to claim 8, it is characterised in that: described second
Endoporus is screwed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610506776.XA CN105921830B (en) | 2016-07-01 | 2016-07-01 | Auto-feed chasing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610506776.XA CN105921830B (en) | 2016-07-01 | 2016-07-01 | Auto-feed chasing bar |
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| Publication Number | Publication Date |
|---|---|
| CN105921830A true CN105921830A (en) | 2016-09-07 |
| CN105921830B CN105921830B (en) | 2018-08-28 |
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|---|---|---|---|
| CN201610506776.XA Active CN105921830B (en) | 2016-07-01 | 2016-07-01 | Auto-feed chasing bar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI674945B (en) * | 2019-02-15 | 2019-10-21 | 鼎朋企業股份有限公司 | Tool holder having a rigid sleeve |
| CN112475488A (en) * | 2020-11-23 | 2021-03-12 | 四川共享铸造有限公司 | Thread machining device |
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| CN205764282U (en) * | 2016-07-01 | 2016-12-07 | 中国长江动力集团有限公司 | Auto-feed chasing bar |
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| CN203076730U (en) * | 2013-01-28 | 2013-07-24 | 台州市路桥精阳数控机械有限公司 | Automatic variable screw pitch tapping device |
| CN205764282U (en) * | 2016-07-01 | 2016-12-07 | 中国长江动力集团有限公司 | Auto-feed chasing bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI674945B (en) * | 2019-02-15 | 2019-10-21 | 鼎朋企業股份有限公司 | Tool holder having a rigid sleeve |
| CN112475488A (en) * | 2020-11-23 | 2021-03-12 | 四川共享铸造有限公司 | Thread machining device |
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| CN105921830B (en) | 2018-08-28 |
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