CN104057161B - A kind of tapping internal thread method - Google Patents
A kind of tapping internal thread method Download PDFInfo
- Publication number
- CN104057161B CN104057161B CN201410283052.4A CN201410283052A CN104057161B CN 104057161 B CN104057161 B CN 104057161B CN 201410283052 A CN201410283052 A CN 201410283052A CN 104057161 B CN104057161 B CN 104057161B
- Authority
- CN
- China
- Prior art keywords
- screw tap
- catch bar
- pin
- upright drill
- tapping
- 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.)
- Active
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005553 drilling Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of tapping internal thread method, including upright drill, scroll chuck, guiding catch bar, screw tap toggle and screw tap.It is characterized by: guide and be provided with Morse's cone pin in the middle of catch bar, two ends are provided with cylinder backing pin, and the lower end of Morse's cone pin is provided with cylinder taper pin, Morse's cone pin and cylinder backing pin and is solidly connected with guiding catch bar；Part is arranged on scroll chuck, and the main shaft of upright drill drives guiding catch bar, screw tap to rotate part tapping successively.The chasing bar simple in construction of the present invention, easy to manufacture, expense is low；Use and guide catch bar to guide screw tap that part carries out on upright drill the tapping of internal thread, part is easy to loading and unloading, technique is simple, processing ease, positioning precision high, shorten the lay day of part, reduce the labour intensity of workman and the loss of cutter, improve production efficiency, reducing production cost, the part quality of processing is stable, good reliability.
Description
Technical field
The present invention relates to a kind of Screw thread process method, be specifically related to a kind of internal thread tapping machine and tapping method thereof.
Background technology
Tapping is most widely used a kind of female thread machining method; processing method for small-medium size internal thread (below M8); mainly use installing drill grips screw tap on bench drill to carry out on small-sized tapping machine; this tapping method; for the quenched materials (such as HRC25-35) that hardness requirement is higher; because cutting force is bigger; and bench drill power of motor is less than normal; and main shaft rotary speed is high; screw tap easily produces shutdown in tapping process, causes and screw tap cannot be driven to carry out Product processing.Internal thread machining between internal threads M8～M24, the main engine lathe enterprising driving silk that uses, this processing method, screwing speed is slow, the process-cycle is long, and working (machining) efficiency is low, producing cost is high, it is impossible to meet the requirement of batch production.And when using elastic clamping set tapping, machine tap easily loosens, and owing to machine tap is more crisp, easily collapses tooth in tapping process, causes unstable product quality.
Summary of the invention
The invention aims to the shortcoming overcoming above-mentioned technology, it is provided that a kind of easy to manufacture, technique is simple and convenient to operate, expense is low, production efficiency is high, stay-in-grade internal thread tapping machine and tapping method thereof.
The internal thread tapping machine of the present invention and tapping method thereof, described internal thread tapping machine includes upright drill, scroll chuck, guiding catch bar, screw tap toggle and screw tap, it is characterised in that: be provided with Morse's cone pin in the middle of described guiding catch bar, two ends are provided with cylinder backing pin；The lower end of described Morse's cone pin is provided with cylinder taper pin；Described Morse's cone pin, cylinder backing pin are solidly connected with guiding catch bar, and Morse's cone pin is connected with drill press spindle.
A kind of tapping method of internal thread:
A, the dimensions of internal thread according to part, select the guiding catch bar matched with screw tap toggle；
In the installing hole of the main shaft that B, the Morse's cone pin of guiding catch bar insert upright drill, and fastened by fastening swivel nut；
C, scroll chuck are placed on the workbench of upright drill, and the center making scroll chuck is concentric with the main shaft of upright drill, and fasten on the table；
D, part are arranged on scroll chuck, and Central of the parts is concentric with the main shaft of scroll chuck and upright drill, and fastens；
E, screw tap are placed on part, and screw tap toggle is enclosed within screw tap, and fastens；
F, moving down the main shaft of upright drill, make the cone of the cylinder taper pin on guiding catch bar head in the center taper hole of screw tap toggle, position part, screw tap toggle touches with the cylinder backing pin at guiding catch bar two ends；
G, material behavior according to part, set the speed of mainshaft of upright drill；
H, startup upright drill, the main shaft of upright drill drives and guides catch bar to rotate downwards, guides two cylinder backing pins on catch bar to drive the rotation of screw tap toggles, and screw tap toggle drives screw tap to rotate downwards, to part tapping；
I, when on feed box, the tapping length of display reaches the length of requirement, stop upright drill work, part tapping terminates；
J, the main shaft of reversion upright drill, guide catch bar to drive screw tap toggle to reversely rotate, and screw tap exits, and screwing operation completes；
K, unclamp scroll chuck, take out tapped part；
L, return step D, carry out the tapping operation of next part.
In order to preferably be attained in that
Opening protection set also it is cased with on described part.
The cone angle of described cylinder taper pin is 55～65 degree.
The internal thread tapping machine of the present invention and tapping method thereof, chasing bar simple in construction, easy to manufacture, expense is low；Use and guide catch bar to guide screw tap that part carries out on upright drill the tapping of internal thread, part is easy to loading and unloading, technique is simple, processing ease, positioning precision high, shorten the lay day of part, reduce the labour intensity of workman and the loss of cutter, improve production efficiency, reducing production cost, the part quality of processing is stable, good reliability.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention schematic diagram.
Fig. 2 is the structural representation guiding catch bar.
In figure: 1, shaft transmission, 2, feed box, 3, main shaft, 4, guide catch bar, 5, screw tap toggle, 6, screw tap; 7 parts, 8, opening protection set, 9, claw, 10, scroll chuck, 11, workbench; 12, cylinder backing pin, 13, Morse's cone pin, 14, cylinder taper pin, a, cone angle.
Detailed description of the invention
The internal thread tapping machine of the present invention, including upright drill, scroll chuck 10, guides catch bar 4, screw tap toggle 5 and screw tap 6.Guide and be provided with Morse's cone pin 13 in the middle of catch bar 4, two ends are provided with cylinder backing pin 12.The lower end of Morse's cone pin 13 is provided with cylinder taper pin 14, and the cone angle a of cylinder taper pin 14 is 60 degree.Morse's cone pin 13 and cylinder backing pin 12 are welded to connect with guiding catch bar 4.The Morse's cone pin 13 on catch bar 4 is guided to be connected with the main shaft 3 of upright drill.
The internal thread tapping machine of the present invention is such tapping:
A, the dimensions of internal thread according to part 7, select the guiding catch bar 4 matched with screw tap toggle 5；
B, guide catch bar 4 Morse's cone pin 13 installation end insert upright drill main shaft 3 installing hole in, and by fasten swivel nut be fixed tightly on main shaft 3；
C, scroll chuck 10 are placed on the workbench 11 of upright drill, and the center making scroll chuck 10 is concentric with the main shaft 3 of upright drill, and is fixed tightly on workbench 11；
D, opening protection set 8 is enclosed within part 7; it is placed on scroll chuck 10; part 7 and the main shaft 3 of upright drill, scroll chuck 10 are concentric; rotate the clamping bolt of scroll chuck 10; three claw 9 clamping opening protection sets 8; part 7 is fixed tightly in opening protection set 8, and this would not the outer surface of part of damage 7；
E, screw tap 6 are placed on part 7, and screw tap toggle 5 is enclosed within screw tap 6 and tightens clamp-screw；
F, moving down the main shaft 3 of upright drill, make the cone of the cylinder taper pin 14 on guiding catch bar 4 head in the center taper hole of screw tap toggle 5, screw tap toggle 5 touches with the cylinder backing pin 12 guiding catch bar 4 two ends；
G, the material of part 7 are HRC32, and internal diameter is 22.5 millimeters, and inner bore surface roughness is Ra=1.6；On shaft transmission 1, set the rotating speed of main shaft 3 of upright drill as 80 revs/min；
H, startup upright drill, main shaft 3 is rotated down, and drives and guides catch bar 4 to be rotated down, and guides two cylinder backing pins 12 on catch bar 4 to drive screw tap toggle 5, screw tap toggle 5 to drive screw tap 6 to rotate downwards, to part 7 tapping；
I, when showing the length that tapping length reaches requirement on feed box 2, stop upright drill work, part 7 tapping terminates；
J, pressing the reversion button of upright drill, main shaft 3 the most reversely turns, and guides catch bar 4 to drive screw tap toggle 5 upwards to reversely rotate, and screw tap 6 exits from part 7, and screwing operation completes；
K, rotating backward the clamping bolt of scroll chuck 10, three pawl cards 9 of scroll chuck 10 are flared out, and opening protection set 8 automatically resets and unclamps part 7, take off opening protection set 8, by part 7 censorship；
L, return step D, carry out next part 7 tapping operation.
Claims (3)
1. a tapping internal thread method, including upright drill, scroll chuck (10), guiding catch bar (4), screw tap toggle (5) and screw tap (6), described guiding catch bar (4) centre is provided with Morse's cone pin (13), two ends are provided with cylinder backing pin (12)；The lower end of described Morse's cone pin (13) is provided with cylinder taper pin (14)；Described Morse's cone pin (13), cylinder backing pin (12) are solidly connected with guiding catch bar (4), and Morse's cone pin (13) is connected with the main shaft (3) of drilling machine, it is characterised in that:
A, the dimensions of internal thread according to part (7), select the guiding catch bar (4) matched with screw tap toggle (5)；
In the installing hole of the main shaft (3) that B, the Morse's cone pin (13) of guiding catch bar (4) insert upright drill, and fastened by fastening swivel nut；
C, scroll chuck (10) are placed on the workbench (11) of upright drill, and the center making scroll chuck (10) is concentric with the main shaft of upright drill (3), and is fixed tightly on workbench (11)；
D, part (7) are arranged on scroll chuck (10), and the center of part (7) is concentric with the main shaft (3) of scroll chuck (10) and upright drill, and fastens；
E, screw tap (6) are placed on part (7), and screw tap toggle (5) is enclosed within screw tap (6) and above and fastens；
F, move down the main shaft (3) of upright drill, the cone making the cylinder taper pin (14) on guiding catch bar (4) heads in the center taper hole of screw tap toggle (5), positioning part (7), screw tap toggle (5) touches with the cylinder backing pin (12) guiding catch bar (4) two ends；
G, material behavior according to part (7), set the rotating speed of the main shaft (3) of upright drill；
H, startup upright drill, the main shaft (3) of upright drill drives and guides catch bar (4) to rotate downwards, two cylinder backing pins (12) on catch bar (4) are guided to drive screw tap toggle (5) to rotate, screw tap toggle (5) drives screw tap (6) to rotate downwards, to part (7) tapping；
I, when the tapping length of the upper display of feed box (2) reaches the length of requirement, stop upright drill work, part (7) tapping terminates；
J, the main shaft (3) of reversion upright drill, guide catch bar (4) to drive screw tap toggle (5) to reversely rotate, and screw tap (6) exits, and screwing operation completes；
K, unclamp scroll chuck (10), take out tapped part (7)；
L, return step D, carry out the tapping operation of next part (7).
Tapping internal thread method the most according to claim 1, it is characterised in that: it is cased with opening protection set (8) on described part (7).
Tapping internal thread method the most according to claim 1, it is characterised in that: the cone angle (a) of described cylinder taper pin (14) is 55～65 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283052.4A CN104057161B (en) | 2014-06-24 | 2014-06-24 | A kind of tapping internal thread method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283052.4A CN104057161B (en) | 2014-06-24 | 2014-06-24 | A kind of tapping internal thread method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057161A CN104057161A (en) | 2014-09-24 |
| CN104057161B true CN104057161B (en) | 2016-09-07 |
Family
ID=51545251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410283052.4A Active CN104057161B (en) | 2014-06-24 | 2014-06-24 | A kind of tapping internal thread method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104057161B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436633B (en) * | 2015-12-08 | 2017-10-24 | 山西汾西重工有限责任公司 | Small-bore endoporus tapping frock and its method with external screw thread steel swivel nut |
| CN107824909A (en) * | 2017-12-16 | 2018-03-23 | 贵州航天风华精密设备有限公司 | A kind of chasing bar for internal thread machining |
| CN113695843A (en) * | 2021-07-30 | 2021-11-26 | 江西昌河航空工业有限公司 | Method for processing internal thread of steel wire thread insert |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201204Y (en) * | 1994-01-07 | 1995-06-21 | 中国第一汽车集团公司标准件厂 | Multifunctional combined thread cutter head |
| JPH09108942A (en) * | 1995-10-19 | 1997-04-28 | Amada Co Ltd | Tapping device |
| CN201300267Y (en) * | 2008-11-20 | 2009-09-02 | 南阳二机石油装备(集团)有限公司 | Device for lather to quickly process small-diameter internal and external screws |
| CN101941131A (en) * | 2009-07-06 | 2011-01-12 | 哈尔滨汽轮机厂有限责任公司 | Method for repairing cylinder screw holes and special scraper and screw tap for implementing method |
| CN203045091U (en) * | 2012-11-29 | 2013-07-10 | 含山县清溪团结机械配件厂 | Tapping device for lathe |
-
2014
- 2014-06-24 CN CN201410283052.4A patent/CN104057161B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104057161A (en) | 2014-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100558494C (en) | Worm and screw processing device | |
| CN105773155A (en) | Multifunctional automatic processing machine | |
| CN102886544A (en) | Single spindle drilling machine with work piece turning device | |
| CN205763965U (en) | A kind of high-precision machine chuck | |
| CN104772659A (en) | Numerically-controlled multi-station composite processing special machine tool for valve body of butterfly valve | |
| CN104057161B (en) | A kind of tapping internal thread method | |
| CN210938264U (en) | Workpiece clamping device for numerical control milling machine | |
| CN203509213U (en) | Synchronous pulley burring device | |
| CN103317345A (en) | Multifunctional composite numerical control machine tool | |
| CN202780085U (en) | Tapping clamp | |
| CN201214148Y (en) | Technical equipment for processing prism by lathe | |
| CN108213615A (en) | Conical pipe screw thread cutting machine | |
| CN202779888U (en) | Uniaxial drilling machine with workpiece turning device | |
| CN210435373U (en) | PE tee bend pipe fitting terminal surface processing equipment | |
| CN208628993U (en) | Spindle drive components for direct drive groove or threading equipment | |
| CN204603363U (en) | A kind of vertical miniature numerical control drilling machine | |
| CN205040809U (en) | Beads machine | |
| CN210731022U (en) | A set sword for thick big bar car gasket | |
| CN201559001U (en) | Device for rapidly and simply processing external thread | |
| CN208374254U (en) | A kind of multi spindle drilling machine being equipped with rotary table transmission device | |
| CN208556221U (en) | A kind of multiple thread tapping machine | |
| CN201552621U (en) | Special processing device for bamboo-wood material external threads | |
| CN203091750U (en) | Long screwdriver head stripping machine | |
| CN207952642U (en) | A kind of lathe cutting device of processing hexagon workpiece | |
| CN101332517A (en) | Lathe for processing prism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |