CN101524775B - Numerical control rack gear milling machine - Google Patents
Numerical control rack gear milling machine Download PDFInfo
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- CN101524775B CN101524775B CN2008100611118A CN200810061111A CN101524775B CN 101524775 B CN101524775 B CN 101524775B CN 2008100611118 A CN2008100611118 A CN 2008100611118A CN 200810061111 A CN200810061111 A CN 200810061111A CN 101524775 B CN101524775 B CN 101524775B
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- lathe bed
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Abstract
The invention relates to a numerical control rack gear milling machine. A Z-direction tool body (1) and an X-direction tool body (14) are spliced into a T shape, and a large X-direction dragging plate (12) is movably arranged above the X-direction tool body (14). An X-direction roll ball screw rod (17) is arranged in the X-direction tool body (14), and an X-direction servo motor (15) is arranged on the right side of the X-direction tool body (14). An X-direction synchronous rack belt wheel (13) is connected between the X-direction servo motor (15) and the X-direction roll ball screw rod (17), and an X-direction roll ball screw rod nut (23) is fixedly arranged on the large X-direction dragging plate (12), and the X-direction roll ball screw rod nut (23) can move left and right on the X-direction roll ball screw rod (17). A press screw nail (11) is arranged above the large X-direction dragging plate (12), and parts such as a Z-direction dragging plate (3), a small Y-direction dragging plate (4), and the like are arranged in the mode similar to that of the parts in the X direction. A numerical control system (16) is fixedly arranged on the tool body (14). Compared with the prior rack machine, the numerical control rack gear milling machine obviously improves the indexing accuracy, has the advantages of automatic cutting, automatic indexing and low labor intensity, and greatly saves the labor cost.
Description
Technical field
The invention relates to a kind of mill teeth machine, particularly relates to a kind of numerical control rack gear milling machine.
Background technology
Existing tooth bar machine is to utilize the milling machine transformation to form, and calculates the change gear proportioning according to the tooth bar of different moduluses, utilizes change gear to drive calibration, and the big efficient of its labour intensity is low, and indexing accuracy is poor, and processing length is restricted.The milling cutter diameter of the similar lathe of domestic many producers is all in 180 millimeter at present, and this has not only increased the difficulty of machining, and has increased the use cost of cutter.
Summary of the invention
The invention technical problem to be solved is: at present above these shortcomings of the similar lathe of domestic many producers, provide a kind of and utilize digital control system, cooperate servomotor and high precision ball leading screw carry out calibration and indexing accuracy than existing tooth bar machine obviously improve, cutting automatically, automatic indexing, numerical control rack gear milling machine that labour intensity is low.
The technical scheme of the invention is: a kind of numerical control rack gear milling machine, comprise Z to lathe bed, and Z is to servomotor, and Z is to planker, Y is to upper slide rest, and Y is to servomotor, frequency control motor, synchronous toothed belt wheel, the cutter shaft casing, milling cutter, housing screw, X is to saddle, X is to synchronous tooth bar belt wheel, and X is to lathe bed, and X is to servomotor, digital control system, X is to ball-screw, and Z is to ball-screw, bearing, Y is to ball-screw, and Y is to ball-screw nut, Y to ball-screw nut and X to ball-screw nut.
Z becomes T-shaped with X to splicing machine tool to lathe bed, X is movably arranged on X to lathe bed top (X to saddle can at directions X left and right sides dividing movement) to saddle, X is installed in X in lathe bed to ball-screw, X is installed in the right side of X to lathe bed to servomotor, X to synchronous tooth bar belt wheel be connected X to servomotor and X between ball-screw, X is fixedly installed to X on saddle to ball-screw nut, can be in X move left and right on ball-screw; Housing screw is installed in X to the saddle top, and the compacted screw of workpiece is fixed on X on saddle; Z is movably arranged on Z to lathe bed top (can move back and forth in the Z direction) to planker, Z is installed in Z in lathe bed to ball-screw, Z is connected Z by the ball-screw right side to servomotor, and be fixed on Z on the lathe bed side, Z is fixedly installed to Z on saddle to ball-screw nut, can before and after Z is on ball-screw, move, bearing is installed in Z to the planker top, Y is in ball-screw is fixed on bearing, Y is connected Y to the ball-screw top to servomotor, Y is movably arranged on the bearing right side to upper slide rest, Y is fixedly installed to Y on upper slide rest to ball-screw nut, can above ball-screw, move up and down at Y, the cutter shaft casing is fixedly mounted on Y on upper slide rest, frequency control motor is installed on the cutter shaft casing, and the synchronous toothed belt wheel is connected between cutter shaft casing and the frequency control motor, and milling cutter is installed in the below of cutter shaft casing; Digital control system is fixedly installed on the lathe bed.
The invention rack gear milling machine is finished machining and calibration process to servomotor, Z to servomotor and frequency control motor to servomotor, Y by digital control system control X, also claims three axle linkages (X-axis, Y-axis, Z axle).Come transmission X to ball-screw by X to synchronous tooth bar belt wheel to servomotor by X, drive X and make dividing movement (being commonly called as branch tooth process) to saddle, Z to servomotor by making the feed cutting movement to planker to ball-screw transmission Z; Y moves up and down to upper slide rest and the cutter shaft casing that is attached thereto to ball-screw transmission Y by Y to servomotor, control cutting depth (being depth of profile) and withdrawing effect; X is to ball-screw nut, and Y is that circular motion with each ball-screw becomes rectilinear motion to ball-screw nut and Z to the effect of ball-screw nut; Frequency control motor is delivered to the power of circular motion on the milling cutter by synchronous toothed belt wheel and cutter shaft casing, and it is moving to make milling cutter do rotation counterclockwise, carries out cutwork; Milling cutter can be changed according to the tooth bar processing request of different moduluses; The variation of cutting parameter is finished by digital control system; X is the whether accurate key of decision tooth bar working grading to ball-screw and X to the precision of servomotor.
The invention utilizes digital control system, cooperate servomotor and high precision ball leading screw carry out calibration and indexing accuracy than existing tooth bar machine obviously improve, cutting automatically, automatic indexing, labour intensity be low, saves labour cost greatly.
The invention rack gear milling machine has very big advantage with the cost performance of similar import lathe, though the production efficiency of this lathe is 1/4th of Japanese import lathe, but its price is 1/10th of a Japanese import lathe, cost performance is more than 2 times of Japanese lathe, is the first-selected product that replaces Japanese import lathe.
The milling cutter diameter that the invention is adopted is no more than 130 millimeters, has reduced the milling cutter use cost and has reduced the difficulty of machining, helps reducing the cost that mouth rack, improves its competitiveness.
Description of drawings
Accompanying drawing 2 is looked schematic diagram for the invention structure right side
Accompanying drawing 3 is the invention structure schematic top plan view
The specific embodiment
The invention is described in conjunction with the accompanying drawings.
A kind of numerical control rack gear milling machine comprises Z to lathe bed 1, and Z is to servomotor 2, Z is to planker 3, and Y is to upper slide rest 4, and Y is to servomotor 5, frequency control motor 6, synchronous toothed belt wheel 7, cutter shaft casing 8, milling cutter 9, housing screw 11, X is to saddle 12, and X is to synchronous tooth bar belt wheel 13, and X is to lathe bed 14, X is to servomotor 15, digital control system 16, X is to ball-screw 17, and Z is to ball-screw 18, bearing 19, Y is to ball-screw 20, and Y is to ball-screw nut 21, Y to ball-screw nut 22 and X to ball-screw 23 nuts.
Z is spliced into T-shaped to lathe bed 1 and X to lathe bed 14, X is movably arranged on X to lathe bed 14 tops (X to saddle 12 can at directions X left and right sides dividing movement) to saddle 12, X is installed in X in lathe bed 14 to ball-screw 17, X is installed in the right side of X to lathe bed 14 to servomotor 15, X to synchronous tooth bar belt wheel 13 be connected X to servomotor 15 and X between ball-screw 17, X is fixedly installed to X on saddle 12 to ball-screw nut 23, can be in X move left and right on ball-screw 17; Housing screw 11 is installed in X to saddle 12 tops, and workpiece 10 compacted screws 11 are fixed on X on saddle 12; Z is movably arranged on Z to lathe bed 1 top (can move back and forth in the Z direction) to planker 3, Z is installed in Z in lathe bed 1 to ball-screw 18, Z is connected Z to ball-screw 18 right sides to servomotor 2, and be fixed on Z on lathe bed 1 side, Z is fixedly installed to Z on saddle 3 to ball-screw nut 22, can before and after Z is on ball-screw 18, move, bearing 19 is installed in Z to planker 3 tops, Y is in ball-screw 20 is fixed on bearing 19, Y is connected Y to ball-screw 20 tops to servomotor 5, Y is movably arranged on bearing 19 right sides to upper slide rest 4, Y is fixedly installed to Y on upper slide rest 4 to ball-screw nut 21, can above ball-screw 20, move up and down at Y, cutter shaft casing 8 is fixedly mounted on Y on upper slide rest 4, frequency control motor 6 is installed on the cutter shaft casing 8, and synchronous toothed belt wheel 7 is connected between cutter shaft casing 8 and the frequency control motor 6, and milling cutter 9 is installed in the below of cutter shaft casing 8; Digital control system 16 is fixedly installed on the lathe bed 14.
The invention rack gear milling machine is finished machining and calibration process to servomotor 5, Z to servomotor 2 and frequency control motor 6 to servomotor 15, Y by digital control system control X, also claims three axle linkages (X-axis, Y-axis, Z axle).Come transmission X to ball-screw 17 by X to synchronous tooth bar belt wheel 13 to servomotor 15 by X, drive X and make dividing movement (being commonly called as branch tooth process) to saddle 12, Z to servomotor 2 by making the feed cutting movement to planker 3 to ball-screw 18 transmission Z; Y moves up and down to upper slide rest 4 and the cutter shaft casing 8 that is attached thereto to ball-screw 20 transmission Y by Y to servomotor 5, control cutting depth (being depth of profile) and withdrawing effect; X is to ball-screw nut 23, and Y is that circular motion with each ball-screw becomes rectilinear motion to ball-screw nut 21 and Z to the effect of ball-screw nut 22; Frequency control motor 6 is delivered to the power of circular motion on the milling cutter 9 by synchronous toothed belt wheel 7 and cutter shaft casing 8, and it is moving to make milling cutter 9 do rotation counterclockwise, carries out cutwork 10; Milling cutter 9 can be changed according to the tooth bar processing request of different moduluses; The variation of cutting parameter is finished by digital control system 16; X is the whether accurate keys of decision tooth bar working grading to ball-screw 17 and X to the precision of servomotor 15.
The invention utilizes digital control system, it is lower than 3～5 grades of existing tooth bar machine raising, cutting automatically, automatic indexing, labour intensity to cooperate servomotor and high precision ball leading screw to carry out calibration and indexing accuracy, an operative employee can operate 4 lathes simultaneously, saves labour cost greatly.
The milling cutter diameter that the invention is adopted is no more than 130 millimeters, will rise at double and surpass 130 mm dia milling cutter prices.The milling cutter diameter of the similar lathe of domestic many producers is all in 180 millimeter at present, and this has not only increased the difficulty of machining, and has increased the use cost of cutter, is very disadvantageous to the cost requirement that goes out mouth rack.
Claims (1)
1. numerical control rack gear milling machine, it is characterized in that: described numerical control rack gear milling machine comprises Z to lathe bed (1), and Z is to servomotor (2), Z is to planker (3), and Y is to upper slide rest (4), and Y is to servomotor (5), frequency control motor (6), synchronous toothed belt wheel (7), cutter shaft casing (8), milling cutter (9), housing screw (11), X is to saddle (12), and X is to synchronous tooth bar belt wheel (13), and X is to lathe bed (14), X is to servomotor (15), digital control system (16), X is to ball-screw (17), and Z is to ball-screw (18), bearing (19), Y is to ball-screw (20), and Y is to ball-screw nut (21), Z to ball-screw nut (22) and X to ball-screw nut (23); Z is spliced into T-shaped to lathe bed (1) and X to lathe bed (14), X is movably arranged on X to lathe bed (14) top to saddle (12), can be at directions X left and right sides dividing movement, X is installed in X in lathe bed (14) to ball-screw (17), X is installed in the right side of X to lathe bed (14) to servomotor (15), X to synchronous tooth bar belt wheel (13) be connected X to servomotor (15) and X between ball-screw (17), X is fixedly installed to X on saddle (12) to ball-screw nut (23), can go up move left and right to ball-screw (17) at X; Housing screw (11) is installed in X to saddle (12) top; Z is movably arranged on Z to lathe bed (1) top to planker (3), can move back and forth in the Z direction, Z is installed in Z in lathe bed (1) to ball-screw (18), Z is connected Z to side, ball-screw (a 18) left side to servomotor (2), and be fixed on Z on lathe bed (1) side, Z is fixedly installed to Z on saddle (3) to ball-screw nut (22), can before and after going up, move by ball-screw (18) at Z, bearing (19) is installed in Z to planker (3) top, Y is in ball-screw (20) is fixed on bearing (19), Y is connected Y to ball-screw (20) top to servomotor (5), Y is movably arranged on bearing (19) right side to upper slide rest (4), Y is fixedly installed to Y on upper slide rest (4) to ball-screw nut (21), can above ball-screw (20), move up and down at Y, cutter shaft casing (8) is fixedly mounted on Y on upper slide rest (4), frequency control motor (6) is installed on the cutter shaft casing (8), synchronous toothed belt wheel (7) is connected between cutter shaft casing (8) and the frequency control motor (6), and milling cutter (9) is installed in the below of cutter shaft casing (8); Digital control system (16) is fixedly installed on the lathe bed (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100611118A CN101524775B (en) | 2008-03-06 | 2008-03-06 | Numerical control rack gear milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100611118A CN101524775B (en) | 2008-03-06 | 2008-03-06 | Numerical control rack gear milling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101524775A CN101524775A (en) | 2009-09-09 |
| CN101524775B true CN101524775B (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100611118A Expired - Fee Related CN101524775B (en) | 2008-03-06 | 2008-03-06 | Numerical control rack gear milling machine |
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| CN (1) | CN101524775B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331492B (en) * | 2013-05-31 | 2015-04-08 | 燕山大学 | Hobbing processing method and hobbing processing device for knuckle-tooth steel belt |
| CN104972180B (en) * | 2015-06-19 | 2017-06-06 | 湖州超宇木工工具有限公司 | One kind folder guide rod side tooth Profile Machining device |
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- 2008-03-06 CN CN2008100611118A patent/CN101524775B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101524775A (en) | 2009-09-09 |
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Granted publication date: 20101229 Termination date: 20120306 |