CN105479179A - Precision blind hole key groove cutting machine - Google Patents
Precision blind hole key groove cutting machine Download PDFInfo
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- CN105479179A CN105479179A CN201610054087.XA CN201610054087A CN105479179A CN 105479179 A CN105479179 A CN 105479179A CN 201610054087 A CN201610054087 A CN 201610054087A CN 105479179 A CN105479179 A CN 105479179A
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- screw
- feed bar
- cutter head
- transmission handle
- servomotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to a precision blind hole key groove cutting machine. The cutting machine comprises a workpiece positioning guide sleeve, a socket head cap screw, a cutting head, a feeding rod, a main rod, a cutter bar body, a spring, a transmission handle, a servo motor, a screw, a servo motor support, a fixed connection flat key, an axially sliding coupler, a sliding connection flat key, a conical handle, a conical handle positioning screw, a main rod positioning screw, a spring piece fixing screw, a spring piece, a fixing plate, a main movement guide rod, a guide sleeve fixing plate, a guide sleeve, a bidirectional hydraulic main cylinder, a machined part, a workpiece positioning clamp, a control cabinet and a rack. The cutting machine is characterized in that a workpiece is positioned by the workpiece positioning guide sleeve, only the cutting head performs radial displacement for adjustment during multi-cutting feed, the workpiece positioning guide sleeve does not perform radial displacement, the servo motor drives feed, the bidirectional hydraulic main cylinder is used for cutting, and the cutting process is controlled through numerical control programs. The precision blind hole key groove cutting machine is reasonable in design, compact in structure and high in machining precision and definitely becomes the best blind hole key groove finish machining machine.
Description
Technical field
The present invention relates to a kind of accurate blind hole keyway cutter.
Background technology
For lathe mainly slotting machine and the planer of blind hole keyway processing in metal current stock-removing machine, there is two problems in these two kinds of machine tooling keyways: one is correction and the adjustment of processing front work piece and tool position relation, two is that machining accuracy is difficult to ensure (mainly dimensional accuracy, symmetry and surface roughness), have to consumption huge fund from external Imported Precision numerical control blind hole keyseater for there being the domestic few enterprise of the workpiece of high-precision requirement, and most enterprise hopes through want of funds and halts, constrain the development of China's machinery manufacturing industry on the whole.
Summary of the invention
Object of the present invention: design a kind of convenient relative position correcting work piece and keyway process tool, keyway machining accuracy (dimensional accuracy, symmetry and surface roughness) can be ensured again, make up the deficiency of existing slotting machine and planer machining tool, the numerical control keyseater of substituting import one.
The technical solution adopted for the present invention to solve the technical problems is: this accurate blind hole keyway cutter comprises Workpiece fixing fairlead 1, soket head cap screw 2, cutter head 3, feed bar 4, mobile jib 5, knife bar body 6, spring 7, transmission handle 8, servomotor 9, screw 10, servomotor bearing 11, be fixedly connected flat key 12, can be slid axially shaft coupling 13, be slidably connected flat key 14, taper shank 15, taper shank dog screw 16, mobile jib dog screw 17, spring leaf hold-down screw 18, spring leaf 19, fixed head 20, main motion guide post 21, fairlead fixed head 22, fairlead 23, bidirectional hydraulic master cylinder 24, work piece 25, workpiece positioning clamp 26, switch board 27 and frame 28.Accurate being slidably matched of endoporus 29 one-tenth of described Workpiece fixing fairlead 1 and work piece 25, can in the endoporus 29 of work piece 25 vertically both direction move, Workpiece fixing fairlead 1 screw 2 is fixed on mobile jib 5, cutter head 3 becomes accurate being slidably matched with the cutter head hole of mobile jib 5, spring leaf 19 suppresses cutter head 3 one end on the knife edge body of rod 5, and the other end of cutter head 3 is ramp structures, mates match with the output inclined-plane of feed bar 4, spring leaf 19 adopts two sunk screws 18 to be fixed on mobile jib 5, mobile jib 5 adopts interference fit to connect with the body of rod 6, and is fixed on knife bar body 6 with mobile jib dog screw 17, feed bar 4, two ends are provided with inclined-plane, and the slopes which match of output and cutter head 3 coincide, the output conical surface of input and transmission handle 8 matches identical, spring 7 is enclosed within feed bar 4, and one end is axially positioned on feed bar 4 shaft shoulder, and the other end is positioned in the recessed shoulder on mobile jib 5 top, taper shank 15 adopts interference fit to connect with knife bar body 6, and is fixed on knife bar body 6 with taper shank dog screw 16, transmission handle 8 and knife bar body 6 adopt precision auger transmission structure, and transmission handle 8 output is made the conical surface and mated with the input inclined-plane of feed bar 4 and match, during transmission, the input cylindrical of transmission handle 8 adopts to be slidably matched with the endoporus of the shaft coupling 13 that can slide axially and connects, the two sides of the keyway of flat key 14 two sides and transmission handle 8 and the shaft coupling 13 that can slide axially adopt to be slidably matched and connect, and transmission handle 8 can rotate with servomotor 9 and moves axially, during transmission, the shaft coupling 13 that can slide axially adopts the flat key 12 that is fixedly connected to connect with the spindle nose of servomotor 9, can not produce and move axially, servomotor 9 adopts screw 10 to fix on servomotor bearing 11, when servomotor 9 rotation promotion transmission handle 8 travels forward, the conical surface of transmission handle 8 promotes the inclined-plane of the feed bar 4 matched with it, and Compress Spring 7, simultaneously feed bar 4 produces radial displacement by matching slope driving cutter head 3 identical with cutter head 3 on the hole 29 of the work piece of work piece 25, realize cutting feed, repeatedly repetitive operation, complete the precision cutting of keyway, after cutting completes, when servomotor 9 rotates backward and pulls transmission handle 8 to move backward, Compress Spring 7 promotes the conical surface that feed bar 4 makes transmission handle 8 and fits with the inclined-plane of the feed bar 4 matched, simultaneously spring leaf 19 suppress cutter head 3 radially to feed bar 4 near and fit with the inclined-plane of feed bar 4 output, until get back to initial state, complete the program of a workpiece keyway processing.
The invention has the beneficial effects as follows:
1) when accurate blind hole keyway cutter is due to cutter head 3 feed, cutter head 3 is only had to do radial motion, and fairlead 1 only axially moves, before convenient processing keyway, trade union college, location and correction, be the guarantee (mainly dimensional accuracy, symmetry and surface roughness) ensureing machining accuracy.
2) what accurate blind hole keyway cutter cut the employing of feed part is driven by servomotor, and Full-numerical-control technology provides powerful guarantee for improving machining accuracy.
Below in conjunction with Figure of description, the present invention is described in detail.
Accompanying drawing explanation
Accompanying drawing 1: accurate blind hole keyway cutter front view.
Accompanying drawing 2: accurate blind hole keyway cutter left view.
Accompanying drawing 3: accurate blind hole keyway cutter cutting head structure chart.
Accompanying drawing 4: accurate blind hole keyway cutter cutting head structure chart partial left side view.
Accompanying drawing 5: accurate blind hole keyway cutter cutting head structure chart A-A sectional view.
Accompanying drawing 6: accurate blind hole keyway cutter cutting head structure chart B-B sectional view.
Accompanying drawing 7: accurate blind hole keyway cutter work piece figure.
Accompanying drawing 8: accurate blind hole keyway cutter work piece as-constructed plan.
In accompanying drawing: 1-Workpiece fixing fairlead, 2-soket head cap screw, 3-cutter head, 4-feed bar, 5-mobile jib, 6-knife bar body, 7-spring, 8-transmission handle, 9-servomotor, 10-screw, 11-servomotor bearing, 12-be fixedly connected flat key, 13-can slide axially shaft coupling, 14-be slidably connected flat key, 15-taper shank, 16-taper shank dog screw, 17-mobile jib dog screw, 18-spring leaf hold-down screw, 19-spring leaf, 20-fixed head, 21-main motion guide post, 22-fairlead fixed head, 23-fairlead, 24-bidirectional hydraulic master cylinder, 25-work piece, 26-workpiece positioning clamp, 27-switch board, 28-frame, the hole of 29-work piece, the keyway of 30-work piece.
Detailed description of the invention
Accompanying drawing 1 in description, accompanying drawing 2, shown in accompanying drawing 3 and accompanying drawing 4: this accurate blind hole keyway stock-removing machine comprises Workpiece fixing fairlead 1, soket head cap screw 2, cutter head 3, feed bar 4, mobile jib 5, knife bar body 6, spring 7, transmission handle 8, servomotor 9, screw 10, servomotor bearing 11, be fixedly connected flat key 12, can be slid axially shaft coupling 13, be slidably connected flat key 14, taper shank 15, taper shank dog screw 16, mobile jib dog screw 17, spring leaf hold-down screw 18, spring leaf 19, fixed head 20, main motion guide post 21, fairlead fixed head 22, fairlead 23, bidirectional hydraulic master cylinder 24, work piece 25, workpiece positioning clamp 26, switch board 27 and frame 28.
In description shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 with accompanying drawing 4: accurate being slidably matched of endoporus 29 one-tenth of Workpiece fixing fairlead 1 and work piece 25, can in the endoporus 29 of work piece 25 vertically both direction move, Workpiece fixing fairlead 1 screw 2 is fixed on mobile jib 5.
In description shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 with accompanying drawing 4: cutter head 3 becomes accurate being slidably matched with the cutter head hole of mobile jib 5, spring leaf 19 suppresses cutter head 3 one end on the knife edge body of rod 5, the other end of cutter head 3 is ramp structures, mates match with the output inclined-plane of feed bar 4.
In description shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3: spring leaf 19 adopts two sunk screws 18 to be fixed on mobile jib 5.
In description shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3: mobile jib 5 adopts interference fit to connect with the body of rod 6, and be fixed on knife bar body 6 with mobile jib dog screw 17.
In description shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3: feed bar 4, two ends are provided with inclined-plane, and the slopes which match of output and cutter head 3 coincide, and the output conical surface of input and transmission handle 8 matches identical.
In description shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3:, spring 7 is enclosed within feed bar 4, and one end is axially positioned on feed bar 4 shaft shoulder, and the other end is positioned in the recessed shoulder on mobile jib 5 top.
In description shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3: taper shank 15 adopts interference fit to connect with knife bar body 6, and be fixed on knife bar body 6 with taper shank dog screw 16.
Accompanying drawing 1 in description, shown in accompanying drawing 2 and accompanying drawing 3: transmission handle 8 and knife bar body six adopt precision auger transmission structure, transmission handle 8 output is made the conical surface and is mated with the input inclined-plane of feed bar 4 and match, the input cylindrical of transmission handle 8 adopts to be slidably matched with the endoporus of the shaft coupling 13 that can slide axially and connects, flat key 14 two sides and transmission handle 8 adopt to be slidably matched with the two sides of the keyway of the shaft coupling 13 that can slide axially and connect, transmission handle 8 can rotate with servomotor 9 and moves axially, during transmission, the shaft coupling 13 that can slide axially adopts the flat key 12 that is fixedly connected to connect with the spindle nose of servomotor 9, can not produce and move axially, servomotor 9 adopts screw 10 to fix on servomotor bearing 11, when servomotor 9 rotation promotion transmission handle 8 travels forward, the conical surface of transmission handle 8 promotes the inclined-plane of the feed bar 4 matched with it, and Compress Spring 7, simultaneously feed bar 4 produces radial displacement by matching slope driving cutter head 3 identical with cutter head 3 on the hole 29 of the work piece of work piece 25, realize cutting feed, repeatedly repetitive operation, complete the precision cutting of keyway, after cutting completes, when servomotor 9 rotates backward and pulls transmission handle 8 to move backward, Compress Spring 7 promotes the conical surface that feed bar 4 makes transmission handle 8 and fits with the feed bar 4 matched, simultaneously spring leaf 19 suppress cutter head 3 radially to feed bar 4 near and fit with the inclined-plane of feed bar 4 output, until get back to initial state.
In description shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3: knife bar body 6 is fixed on fixed head 20, two main motion guide posts 21 are fixed on 20, fairlead fixed head 22 and bidirectional hydraulic master cylinder 24 are linked together and are fixed in frame 28, fairlead 23 interference fit is connected on fairlead fixed head 22, fairlead fixed head 22 connects with fairlead 23 one-tenth snug sliding fit, workpiece positioning clamp 26 is fixed in frame 28, its center is concentric with mobile jib 5, work piece 25 clamping is on workpiece positioning clamp 26, and switch board 27 is also connected in frame 28.
In description shown in accompanying drawing 5: the female coaxial of mobile jib 5 cylindrical and Workpiece fixing fairlead 1 being slidably matched connects, and both sides and the rectangular channel on mobile jib 5 of cutter head 3 are also be slidably matched to connect.
In description shown in accompanying drawing 6: mobile jib 5 is coaxial with feed bar 4 and be slidably matched and connect, 19 spring leafs and rectangular channel on 5 mobile jibs are also be slidably matched to connect.
In description shown in accompanying drawing 7: the hole 29 of the work piece of accurate blind hole keyway cutter work piece 25.
In description shown in accompanying drawing 8: the hole 29 of work piece of accurate blind hole keyway cutter work piece 25 and the keyway 30 of work piece.
The course of work of this accurate blind hole keyway cutter: after work piece 25 Set and Positioning on workpiece positioning clamp 26 is good, installs match with the hole 29 of the work piece of work piece 25 1 and 3, and is corrected.
Power inputs from servomotor 9, through the flat key 12 that is fixedly connected, can be slid axially shaft coupling 13 and be slidably connected flat key 14 and send power to transmission handle 8, transmission handle 8 produces moving axially to cone end, the inclined-plane that the conical surface of transmission handle 8 promotes the feed bar 4 matching with it identical moves axially to the direction of cutter head 3, promote the inclined-plane of the other end of cutter head 3, realize the feed of cutter head 3, equidirectional Compress Spring 7 simultaneously, cutter head 3 suppresses spring leaf 19 simultaneously, realize a feed of cutter head 3, hydraulic power supply inputs from the rodless cavity of bidirectional hydraulic master cylinder 24 afterwards, under the guiding of main motion guide post 21 and fairlead 23, through taper shank 15, transmission handle 8, knife bar body 6, power transmission is produced cutting force to cutter head 3 by mobile jib 5 and feed bar 4, start the keyway 30 of the work piece cutting work piece 25, when reaching lower limit, at this moment power is from the main oily 24 rod chamber inputs of bidirectional hydraulic, until accurate blind hole keyway cutter cutting head is lifted to the position before cutting, realize a complete action of a cutter micro cutting, above operation program is repeatedly completed, until meet the requirements of keyway size, complete the cutting of keyway, after repeatedly having cut, servomotor 9 is inverted to initial state, spring leaf 19 promotes the inclined-plane that cutter head 3 and feed bar 4 match and tightly fits together, simultaneously the conical surface matched of spring 7 ramp and transmission handle 8 that also promote feed bar 4 fits together, complete whole programs that a keyway cuts.Above action all finish in numerical control program with clamping workpiece after directly processing is very convenient, because Workpiece fixing relies on Workpiece fixing fairlead 1 to locate, be that cutter head 3 does radial displacement adjustment during multiple cut feed, and radial displacement do not done by Workpiece fixing fairlead 1, this provides most powerful guarantee for improving machining accuracy.Accurate blind hole keyway cutter is reasonable in design, compact conformation, and machining accuracy is high, alternative same kind of products at abroad, will become best blind hole keyway fine finishining machinery, also can process through hole.
Claims (1)
1. an accurate blind hole keyway cutter, it is characterized in that: this accurate blind hole keyway cutter comprises Workpiece fixing fairlead (1), soket head cap screw (2), cutter head (3), feed bar (4), mobile jib (5), knife bar body (6), spring (7), transmission handle (8), servomotor (9), screw (10), servomotor bearing (11), be fixedly connected flat key (12), can be slid axially shaft coupling (13), be slidably connected flat key (14), taper shank (15), taper shank dog screw (16), mobile jib dog screw (17), spring leaf hold-down screw (18), spring leaf (19), fixed head (20), main motion guide post (21), fairlead fixed head (22), fairlead (23), bidirectional hydraulic master cylinder (24), work piece (25), workpiece positioning clamp (26), switch board (27) and frame (28), described Workpiece fixing fairlead (1) becomes accurate being slidably matched with the endoporus (29) of work piece (25), can in the endoporus of work piece (25) (29) vertically both direction move, Workpiece fixing fairlead (1) screw (2) is fixed on mobile jib (5), described cutter head (3) becomes accurate being slidably matched with the cutter head hole of mobile jib (5), spring leaf (19) suppresses cutter head (3) one end on the knife edge body of rod (5), the other end of cutter head (3) is a ramp structure, mate with the output inclined-plane of feed bar (4) and match, described spring leaf (19) adopts two sunk screws (18) to be fixed on mobile jib (5), described mobile jib (5) adopts interference fit to connect with the body of rod (6), and be fixed on knife bar body (6) with mobile jib dog screw (17), described feed bar (4), two ends are provided with inclined-plane, the slopes which match of output and cutter head (3) coincide, the output conical surface of input and transmission handle (8) matches identical, spring (7) is enclosed within feed bar (4), one end is axially positioned on feed bar (4) shaft shoulder, the other end is positioned in the recessed shoulder on mobile jib (5) top, described taper shank (15) adopts interference fit to connect with knife bar body (6), and be fixed on knife bar body (6) with taper shank dog screw (16), described transmission handle (8) and knife bar body (6) adopt precision auger transmission structure, transmission handle (8) output is made the conical surface and is mated with the input inclined-plane of feed bar (4) and match, during transmission, the input cylindrical of transmission handle (8) adopts to be slidably matched with the endoporus of the shaft coupling (13) that can slide axially and connects, the two sides of the keyway of flat key (14) two sides and transmission handle (8) and the shaft coupling (13) that can slide axially adopt to be slidably matched and connect, transmission handle (8) can rotate with servomotor (9) and move axially, during transmission, the shaft coupling (13) that can slide axially adopts the flat key that is fixedly connected (12) to connect with the spindle nose of servomotor (9), can not produce and move axially, servomotor (9) adopts on the fixing servomotor bearing (11) of screw (10), when servomotor (9) rotation promotion transmission handle (8) travels forward, the conical surface of transmission handle (8) promotes the inclined-plane of the feed bar (4) matched with it, and Compress Spring (7), simultaneously feed bar (4) produces radial displacement by matching slope driving cutter head (3) identical with cutter head (3) on the hole (29) of the work piece of work piece (25), realize cutting feed, repeatedly repeat above-mentioned action, complete the precision cutting of keyway, after cutting completes, when servomotor (9) rotates backward and pulls transmission handle (8) to move backward, Compress Spring (7) promotes feed bar (4) makes the conical surface of transmission handle (8) fit with the inclined-plane of the feed bar (4) matched, simultaneously spring leaf (19) suppress cutter head (3) radially to feed bar (4) near and fit with the inclined-plane of feed bar (4) output, until get back to initial state, complete the program of a keyway processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054087.XA CN105479179A (en) | 2016-01-27 | 2016-01-27 | Precision blind hole key groove cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054087.XA CN105479179A (en) | 2016-01-27 | 2016-01-27 | Precision blind hole key groove cutting machine |
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| CN105479179A true CN105479179A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610054087.XA Pending CN105479179A (en) | 2016-01-27 | 2016-01-27 | Precision blind hole key groove cutting machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772828A (en) * | 2016-04-21 | 2016-07-20 | 湖北铭程精密机械有限责任公司 | Precise inner-hole curved keyway cutting machine |
| CN108907844A (en) * | 2018-09-17 | 2018-11-30 | 南京工程学院 | A kind of capstan feeding steering drive device |
| CN109967797A (en) * | 2019-04-18 | 2019-07-05 | 荣基工业科技（江苏）有限公司 | A kind of numerical control key slot center machine |
| CN113118473A (en) * | 2019-12-30 | 2021-07-16 | 江苏东佳电气有限公司 | Rapid machining method for key groove in deep blind hole long shaft |
| CN113145910A (en) * | 2021-03-03 | 2021-07-23 | 常州宝菱重工机械有限公司 | Method for machining blind key groove on workpiece |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772828A (en) * | 2016-04-21 | 2016-07-20 | 湖北铭程精密机械有限责任公司 | Precise inner-hole curved keyway cutting machine |
| CN108907844A (en) * | 2018-09-17 | 2018-11-30 | 南京工程学院 | A kind of capstan feeding steering drive device |
| CN109967797A (en) * | 2019-04-18 | 2019-07-05 | 荣基工业科技（江苏）有限公司 | A kind of numerical control key slot center machine |
| CN113118473A (en) * | 2019-12-30 | 2021-07-16 | 江苏东佳电气有限公司 | Rapid machining method for key groove in deep blind hole long shaft |
| CN113145910A (en) * | 2021-03-03 | 2021-07-23 | 常州宝菱重工机械有限公司 | Method for machining blind key groove on workpiece |
| CN113145910B (en) * | 2021-03-03 | 2023-12-22 | 常州宝菱重工机械有限公司 | Method for processing blind key groove on workpiece |
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Application publication date: 20160413 |
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