CN201625819U - Threading tool for machine tool - Google Patents
Threading tool for machine tool Download PDFInfo
- Publication number
- CN201625819U CN201625819U CN2009203099066U CN200920309906U CN201625819U CN 201625819 U CN201625819 U CN 201625819U CN 2009203099066 U CN2009203099066 U CN 2009203099066U CN 200920309906 U CN200920309906 U CN 200920309906U CN 201625819 U CN201625819 U CN 201625819U
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- screw die
- screw
- instrument according
- external threading
- gathering sill
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Abstract
The utility model solves the problem that center of a screw die is difficult to be adjusted by an automatic threading tool of the machine tool, and provides a tool which can aim at the center conveniently, exactly and quickly and is used for automatic threading of the machine tool. The tool mainly comprises a mainshaft sleeve, a sliding connecting body and a screw die; the screw die is fixed on the sliding connecting body; and the mainshaft sleeve is sheathed outside the sliding connecting body. The threading tool is characterized in that one end of the sliding connecting body is a screw die fixing part; the screw die is internally provided with a screw die fixing chamber; and the outside of the screw die is sheathed by at least one screw die sleeve and the screw die is fixed in a fixing chamber. As the screw die and the screw die sleeve are cylindrical, the external diameter of the screw die sleeve is matched with the internal diameter of the opening part, the external diameter of the screw die is matched with the internal diameter of the screw die sleeve and all matching relationships are clearance fits; therefore, the central line of the screw die and the central line of the opening part can be ensured to be coincident with each other, and the screw die sleeve can position the screw die and lead the screw die and the opening part to be concentric.
Description
Technical field
The utility model relates to a kind of external threading instrument, more particularly, is about a kind of lathe external threading instrument.
Background technology
Traditional mantle fiber operation has two kinds of methods: a kind of is the hand die handle, and the operator takes die handle on the other hand during operation, shakes the feed of lathe handwheel on the other hand, and lathe rotates stings cutter, because manual operations, mantle fiber is not just, and is of poor quality, and labour intensity is big, inefficiency; Another kind is a hand tail stock mantle fiber, though this method can guarantee diehead threading quality, compares safety.But the main shaft of this device is an integral body, die handle parted hair, tail and cover body three parts, and tail end is put into the tail stock hole, and head end is the chucking screw die.The operator shakes the feed of the tailstock seat handwheel during operation, and cutter is stung in the lathe transmission, drags whole tailstock and moves along bed surface with collar bush.Because load is big, not only the rotating speed of lathe is restricted, and big to the wearing and tearing of bed surface, greatly reduces the service life of lathe, and intensity is still bigger, and operating efficiency is also lower.
Patent Office of the People's Republic of China announces CN2660780U on December nineteen ninety 5, name is called the threading device of attacking of combined type self-acting feed, mainly comprise collar bush, screw tap axle, the screw tap axle is provided with two guiding screws, the screw tap axle sleeve is in collar bush, collar bush is provided with gathering sill, and the screw tap axle can move in collar bush along gathering sill.This device can self-acting feed, but when changing tap and die, all needs the center at every turn, the depth degree artificial experience that the mode at center adopts bolt to be screwed into is aimed at, so the center is not easy to aim at, and is eccentric easily when tapping and mantle fiber work.
Summary of the invention
The utility model has solved the problem of the automatic mantle fiber tools palette of lathe tooth center difficulty, provides a kind of and can make things convenient for centring accurately and quickly, is used for the instrument of the automatic mantle fiber of lathe.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of lathe external threading instrument, mainly comprise rack sleeve, the body that is slidingly connected, screw die, screw die is fixed on the body that is slidingly connected, rack sleeve be placed in be slidingly connected external, it is characterized in that: described body one end that is slidingly connected is the screw die fixed part, screw die inside is the screw die lock chamber, and the screw die outside is nested with at least one screw die cover and with securing member screw die is fixed in the lock chamber.Because screw die and screw die cover are cylindric, the internal diameter of screw die cover external diameter and peristome matches, the internal diameter of the external diameter of screw die and screw die cover matches, described matching relationship is matched in clearance, so just can guarantee the center line and the peristome central lines of screw die, therefore the screw die cover can be located screw die, makes screw die and peristome concentric.
As preferably, the screw die cover is two, divides big screw die cover and platelet facing, and two screw die overlap mutual sheathing.Big screw die cover can multilayer, but as preferred mode, big screw die cover has only one deck, the effect of big screw die cover is the annulus thickness that can reduce the platelet facing, the annulus thickness of big screw die cover is determined, the annulus thickness of platelet facing is processed according to the annulus thickness of screw die, the internal diameter that guarantees platelet facing external diameter and peristome matches, the internal diameter of the external diameter of screw die and platelet facing matches, the described pass that matches is a matched in clearance, because screw die is a series of, platelet facing quantity is identical with screw die, big screw die overlaps each installation can be used, so can reduce the material of use.
As preferably, a side of screw die cover is provided with base, and the base of big screw die cover is fitted with the bottom surface of lock chamber, and the base of platelet facing is fitted with the base end face of big screw die cover, the base end face applying of screw die and platelet facing.The base end face thickness of screw die cover according to screw die axial length process, after assurance installed, the end face of screw die fundamental sum peristome was because the area of base is bigger, fixed head facing and screw die can reduce the vibration when screw die overlaps and screw die is worked better.
As preferably, described rack sleeve one end is a sliding cavity, and the other end is a taper shank, and the external diameter of abutting end and the internal diameter of sliding cavity match.The tail stock chuck can block taper shank, fixes rack sleeve.
As preferably, described screw die cover circumferential side wall is provided with several equally distributed fastening screws, and trip bolt passes fastening screw and withstands on the screw die outer circumference face.So just can prevent that screw die cover and screw die from rotating, and causes that screw die and workpiece rotate together.
As preferably, screw die periphery wall is provided with fastener hole, and fastener hole and trip bolt head match.Can prevent like this that screw die is relative with trip bolt slides, and the trip bolt head can be done coning, and fastener hole is made conical bore, when installing like this if trip bolt head wedge angle in the conical bore scope, just can fastening installation.
As preferably, the described body other end that is slidingly connected forms abutting end.
As preferably, rack sleeve one end is a sliding cavity, and the external diameter of abutting end and the internal diameter of sliding cavity match, and the matching relationship of the external diameter of abutting end and the internal diameter of sliding cavity is a matched in clearance, and the rack sleeve other end is a taper shank.
As preferably, sliding cavity circumferential side wall upper edge axis direction has gathering sill, and described gathering sill has two, be symmetrical distribution, the end of abutting end has two position-limitting pin holes, and the position in position-limitting pin hole is corresponding with gathering sill, and (pass gathering sill links to each other with the position-limitting pin hole position-limitting pin.Gathering sill has two effects, the one, the body that is slidingly connected moves and can move axially along gathering sill, the 2nd, the body that prevents to be slidingly connected rotation, for the ease of dismounting, the shop bolt head has threaded one end, and corresponding shop bolt hole is a screwed hole, and the alignment pin head of a nail can be interior hexagonal, also can make is surface knurling, and purpose is for convenience of the dismounting shop bolt.
As preferably, described gathering sill is positioned at the centre of sliding cavity, or gathering sill one end communicates with the end face of sliding cavity, and is opening-like.Gathering sill is positioned at the centre of sliding cavity, can strengthen the intensity of sliding cavity, and after guaranteeing to install, be slidingly connected body and rack sleeve is connected in one all the time, and gathering sill one end and sliding cavity are by the end face of body one side that the is slidingly connected body that can convenient dismounting be slidingly connected that communicates, change screw die, the length of gathering sill can not be too short certainly, knows from experience the danger that landing is arranged otherwise be slidingly connected.
The utility model beneficial effect is: 1. the screw die cover is supporting keeper, different screw die selects for use different screw die covers that the central axes of the central axis and the rack sleeve that just can make screw die is installed, solve each replacing screw die and all will transfer the center, and the problem that is difficult to harmonize; 2. change screw die at every turn and only need select supporting screw die cover for use, need not the accent center, saved the time greatly, increased operating efficiency; 3. this tool processes is convenient, and it is simple to draw materials, and greatly reduces cost; 4. the size of the described screw die cover of this instrument can form a series according to the size of screw die, is convenient to unified management.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is an end view in section of the present utility model.
1. screw die, 2. platelet facing, 3. big screw die cover, 4. trip bolt, 5. peristome, 6. body of tool, 7. gathering sill, 8. abutting end, 9. position-limitting pin, 10. rack sleeve, 11. sliding cavities.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of lathe mantle fiber instrument (referring to accompanying drawing 1 and accompanying drawing 2), rack sleeve 10 1 ends are cylindrical sliding cavity 11, the other end is a taper shank, taper shank is No. 4, Mohs (Morse NO.4) band tang cone, be welded to connect between sliding cavity 11 and the taper shank, make the central axes of sliding cavity 11 and taper shank 12 during welding, the body 6 that is slidingly connected is whole processing, body 6 borings are slidingly connected, the internal diameter matched in clearance of the external diameter of one end and sliding cavity 11, this end is called abutting end 8, the end of abutting end 8 has two shop bolt holes, two shop bolt holes are symmetrical distribution, have the gathering sill 7 of two symmetries in the middle of sliding cavity 11 circumferential side walls, position-limitting pin 9 passes gathering sill 7 and links to each other with the position-limitting pin hole, therefore the body 6 that is slidingly connected can relatively move along gathering sill 7 and rack sleeve 10, the external diameter of the other end of body 6 of being slidingly connected is about the twice of the external diameter of abutting end 8, inside is cylindrical cavity, this end is called fixed part 5, the bottom surface of fixed part 5 is parallel with the end face of sliding cavity 11, and perpendicular to central axis, the wall thickness of abutting end 8 is about the twice of the wall thickness of fixed part 5, fixed part 5 inside are assembled screw die 1 outward successively from the center, platelet facing 2, big screw die cushion cover 3, big screw die cover 3 and platelet facing 2 circumferential side walls are provided with the fastening screw of two symmetries, screw die 1 periphery wall is provided with conical fastener hole, trip bolt 4 heads can be done coning, and trip bolt 4 passes fastening screw and withstands screw die 1 conical fastener hole.
During use, select to want the pairing screw die 1 of machining screw, and select the pairing platelet facing 2 of this screw die, fastening according to the order installation of screw die 1, platelet facing 2, big screw die cover 3 with trip bolt 4, with taper shank 12 chuckings, the workpiece of required processing is installed in the head of lathe with the tail stock chuck, start lathe, lathe low speed just changes, and shakes the tail stock handwheel and begins external threading, treats promptly to stop wheel feed after screw die puts workpiece.Be slidingly connected body automatically the gathering sill on the rack sleeve move forward, drive anti-car after screw thread packages, body of tool is return along gathering sill, this moment, screw thread processed.
Claims (10)
1. lathe external threading instrument, mainly comprise rack sleeve (10), the body that is slidingly connected (6), screw die (1), screw die (1) is fixed on the body that is slidingly connected (6), rack sleeve (10) is placed in outside the body that is slidingly connected (6), it is characterized in that: described body (6) one ends that are slidingly connected are screw die fixed part (5), screw die (1) inside is the screw die lock chamber, and the screw die outside is nested with at least one screw die cover and with securing member screw die is fixed in the lock chamber.
2. lathe external threading instrument according to claim 1 is characterized in that: described screw die cover is two, divides big screw die cover (3) and platelet facing (2), two screw die cover mutual sheathing.
3. lathe external threading instrument according to claim 1 and 2, it is characterized in that: a side of screw die cover is provided with base, fit in the base of big screw die cover (3) and the bottom surface of lock chamber, the base of platelet facing (2) is fitted with the base end face of big screw die cover (3), and screw die (1) is fitted with the base end face of platelet facing (2).
4. lathe external threading instrument according to claim 3 is characterized in that: described screw die cover circumferential side wall is provided with several equally distributed fastening screws, and trip bolt (4) passes fastening screw and withstands on screw die (1) the outer circumference face.
5. lathe external threading instrument according to claim 4 is characterized in that: screw die (1) periphery wall is provided with fastener hole, and fastener hole and trip bolt (4) head matches.
6. lathe external threading instrument according to claim 1 is characterized in that: the described body that is slidingly connected (6) other end forms abutting end (8).
7. lathe external threading instrument according to claim 1, it is characterized in that: rack sleeve (10) one ends are sliding cavity (11), the internal diameter of the external diameter of abutting end (8) and sliding cavity (11) matches, the matching relationship of the internal diameter of the external diameter of abutting end (8) and sliding cavity (11) is a matched in clearance, and rack sleeve (10) other end is a taper shank.
8. lathe external threading instrument according to claim 7, it is characterized in that: sliding cavity (11) circumferential side wall upper edge axis direction has gathering sill (7), described gathering sill (7) has two, be symmetrical distribution, the end of abutting end (8) has two position-limitting pin holes, the position in position-limitting pin hole is corresponding with gathering sill (7), and position-limitting pin (9) passes gathering sill (7) and links to each other with the position-limitting pin hole.
9. lathe external threading instrument according to claim 8 is characterized in that: described gathering sill (7) is positioned at the centre of sliding cavity (11), or gathering sill (7) one ends communicate with the end face of sliding cavity (11), and is opening-like.
10. lathe external threading instrument according to claim 1 is characterized in that: the side of screw die cover and the end face of fixed part (5) flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203099066U CN201625819U (en) | 2009-09-09 | 2009-09-09 | Threading tool for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203099066U CN201625819U (en) | 2009-09-09 | 2009-09-09 | Threading tool for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201625819U true CN201625819U (en) | 2010-11-10 |
Family
ID=43057203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203099066U Expired - Fee Related CN201625819U (en) | 2009-09-09 | 2009-09-09 | Threading tool for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201625819U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238834A (en) * | 2016-08-30 | 2016-12-21 | 山西北方机械制造有限责任公司 | A kind of processing method determining starting point screw thread |
| CN107626990A (en) * | 2017-11-14 | 2018-01-26 | 贵州航帆精密机械制造有限公司 | A kind of thread machining device |
| CN108015367A (en) * | 2017-12-15 | 2018-05-11 | 湖北金箭阀门有限公司 | Pipe fitting internal and external threads synchronous processing device |
| CN109967800A (en) * | 2019-03-13 | 2019-07-05 | 佛山市顺德区郑敬诒职业技术学校(佛山市顺德区伦教成人文化技术学校) | A kind of Special Automatic tapping device of lathe process |
| CN113732415A (en) * | 2021-10-19 | 2021-12-03 | 贵州华烽电器有限公司 | External thread threading device and external thread threading method |
-
2009
- 2009-09-09 CN CN2009203099066U patent/CN201625819U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238834A (en) * | 2016-08-30 | 2016-12-21 | 山西北方机械制造有限责任公司 | A kind of processing method determining starting point screw thread |
| CN106238834B (en) * | 2016-08-30 | 2018-04-03 | 山西北方机械制造有限责任公司 | A kind of processing method for determining starting point screw thread |
| CN107626990A (en) * | 2017-11-14 | 2018-01-26 | 贵州航帆精密机械制造有限公司 | A kind of thread machining device |
| CN108015367A (en) * | 2017-12-15 | 2018-05-11 | 湖北金箭阀门有限公司 | Pipe fitting internal and external threads synchronous processing device |
| CN109967800A (en) * | 2019-03-13 | 2019-07-05 | 佛山市顺德区郑敬诒职业技术学校(佛山市顺德区伦教成人文化技术学校) | A kind of Special Automatic tapping device of lathe process |
| CN113732415A (en) * | 2021-10-19 | 2021-12-03 | 贵州华烽电器有限公司 | External thread threading device and external thread threading method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20130909 |