CN203124869U - Numerically-controlled gear hobbing machine provided with transposition tailstock - Google Patents
Numerically-controlled gear hobbing machine provided with transposition tailstock Download PDFInfo
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- CN203124869U CN203124869U CN 201320131039 CN201320131039U CN203124869U CN 203124869 U CN203124869 U CN 203124869U CN 201320131039 CN201320131039 CN 201320131039 CN 201320131039 U CN201320131039 U CN 201320131039U CN 203124869 U CN203124869 U CN 203124869U
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- transposition
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Abstract
The utility model discloses a numerically-controlled gear hobbing machine provided with a transposition tailstock. The numerically-controlled gear hobbing machine comprises a lathe bed, a front column, a rear column, a working table and a numerical control system, wherein the front column is fixed at one end of the lathe bed; the rear column glides along a horizontal guide rail on the lathe bed; the working table is arranged on the horizontal guide rail between the front column and the rear column; the rear column comprises a lower column mounted on the horizontal guide rail; the top of the lower column is arranged on an upper column which performs transposition motion in a horizontal plane; a slide guide rail used for mounting the tailstock is arranged on one side, facing towards the working table, of the lower column; and an extension guide rail which is in a straight line with smooth transition of the slide guide rail is arranged on a corresponding side wall of the upper column. According to the numerically-controlled gear hobbing machine, the numerical control system controls the upper column to drive the tailstock to perform transposition in the horizontal plane, manual operation is reduced, the automation degree of workpiece machining is improved, and the working efficiency of a machine tool is improved.
Description
Technical field
The utility model relates to a kind of chain digital control gear hobbing machine, specifically a kind of chain digital control gear hobbing machine with transposition tailstock.
Background technology
Gear is the important foundation part in the industrial production, is widely used in the transmission system of plant equipment.Gear machining technology and working ability have reflected the industrial level of a country.Large gear is the important actuated elements of industry such as mine, cement, building materials, harbour and machinery.In Gear Processing, gear hobbing is most widely used gear cutting consideration.The gear hobbing machining principle is that hobboing cutter and tooth mold are intended a pair of helical tooth crop rotation gear motion.Gear-hobbing machine is the lathe that carries out gear hobbing processing.Gear-hobbing machine is made up of critical pieces such as lathe bed, front column, rear column and workbench.Front column is fixed on an end of lathe bed, and rear column is installed on the horizontal guide rail of lathe bed, can move horizontally along lathe bed.Between front column and the rear column workbench is installed, workbench also is installed on the horizontal guide rail of lathe bed.Workbench is one, and workbench can be done continuous circular motion by the round platform mechanism of driven by servomotor, also can control the anglec of rotation of workpiece by the index plate that workbench arranges below, and workpiece is carried out calibration processing.The center of workbench is provided for the mandrel workpiece being installed and workpiece is positioned.Rear column arranges the tailstock that slides up and down facing to rail plate being installed on the sidewall of workbench on the rail plate, arrange toply on the tailstock, and in the process engineering of gear, top upper end to mandrel plays a part to support and the location.Facing on the sidewall of workbench slide rail is set also on the front column, be provided for installing the hobboing cutter slide unit of hob head on the slide rail, hobboing cutter on the hob head is rotary cutting under the driving of motor, and the workpiece simulation meshing gear action on the cooperating platform is carried out gear hobbing processing to workpiece.
Large gear is because volume and weight is bigger, adds and need use man-hour hoisting mechanism to lift operation carrying out the tooth base.During last living, directly over lathe, the tooth base is installed on the mandrel of platen, because top directly over mandrel on the tailstock, tailstock can't carry out transposition, normally on horizontal guide rail, move backward to lathe afterbody from operating position integral body by rear column motor-driven rear column, be advanced to the operating position by the motor-driven rear column again after waiting the tooth base to be installed on the mandrel of lathe.After processing, need unload when alive, make rear column on horizontal guide rail, move backward to the lathe afterbody from operating position integral body again, directly over lathe, a gear that processes upwards be hung lathe with hoisting mechanism from the mandrel of lathe.Because workpiece of every processing just needs rear column to make a round trip, prolonged chain digital control gear hobbing machine working time that workpiece is required of processing, the effective working time is reduced, operating efficiency reduces.And because the rear column quality is heavy, frequent mobile, very easily cause the wearing and tearing of horizontal guide rail, therefore need often horizontal guide rail to be repaired, delayed the working time.During long-term the use, the surface accuracy of horizontal guide rail descends, resistance when rear column moves increases, cause the positioning accuracy of column operating position inaccurate, thereby influence machine finish, cause Errors in Gear Processing, the precision that can cause the damage of the electric driving arrangement of gear-hobbing machine rear column when serious and add work gear does not reach and requires and scrap.
The utility model content
The utility model technical issues that need to address provide a kind of chain digital control gear hobbing machine of high efficiency.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
Chain digital control gear hobbing machine with transposition tailstock, the rear column that comprise lathe bed, be fixed in the front column of lathe bed one end, slides at lathe bed upper edge horizontal guide rail, be arranged on workbench, digital control system on the horizontal guide rail between front column and the rear column, described rear column comprises the lower pillar stand that is installed on the horizontal guide rail, the top of lower pillar stand is arranged on the upper pillar stand of doing transposition action in the horizontal plane, described lower pillar stand is provided for the rail plate of mounted tailstock towards a side of workbench, arranges with rail plate on the corresponding sidewall of upper pillar stand and seamlessly transits the extensible track that is straight line.
Further improvement of the utility model is: the upper end of described lower pillar stand arranges stepped hole, the lower end of upper pillar stand arranges the worm gear that inserts in the stepped hole, one side of worm gear is connected with torque motor by worm screw, and the transposition sensor for detection of upper pillar stand transposition information that is connected with digital control system is set on the sidewall of lower pillar stand.
Further improvement of the utility model is: described transposition sensor comprises the starting point level sensor of transmission transposition commencing signal and the terminal point level sensor of transmission transposition endpoint signal.
Further improvement of the utility model is: leading screw that is driven by lifting motor of described lower pillar stand and upper pillar stand internal run-through, and the two ends of leading screw arrange the screw of cooperation by bearing fixing on the leading screw, and screw is fixedlyed connected with tailstock.
Further improvement of the utility model is: described workbench comprises the index plate by the control workpiece anglec of rotation of workbench driven by servomotor, and index plate one side setting is motor-driven for the damping gear that reduces operating error by damping.
Further improvement of the utility model is: described front column inside is provided with the balancing weight for balance hobboing cutter slide unit weight, and described balancing weight is the square sheet casting pig of polylith.
Further improvement of the utility model is: described digital control system is the digital process control system that is connected with display.
Because the technological progress of having adopted technique scheme, the utility model to obtain is:
Chain digital control gear hobbing machine with transposition tailstock, rear column are divided into upper pillar stand and lower pillar stand, and the extensible track of upper pillar stand and the rail plate of lower pillar stand seamlessly transit linearly, guarantee that tailstock can slide up and down in the vertical direction.After workpiece or workpiece be installed machined, can operate tailstock slides on the extensible track, carry out transposition by digital control system control tailstock then, make upper pillar stand drive tailstock and in horizontal plane, rotate an angle, provide space on the vertical range to travelling workpiece, avoid moving rear column after the integral body, reduced manually-operated, improve the automaticity of workpiece processing, improved the operating efficiency of lathe.
Digital control system gets final product the processing that workpiece is finished in automation by input control program and desired parameters, and intuitively shows process by display, each displacement and synchronism of control lathe, simple to operation, reduced artificial workload, improved the machining accuracy of lathe.
Workbench is provided for reducing the damping gear of the error of division, when finishing, each calibration gives reciprocal moment of index plate by the damping gear, reduced the operating error of index plate, avoided index plate when carrying out repeatedly calibration, to produce accumulated error, reciprocal moment has guaranteed workbench calibration and location accurately for the location of index plate when the processing cutting simultaneously.
Be provided with balancing weight in the described front column, weight by balancing weight balance hobboing cutter slide unit, reduced the load of the servomotor that drives the motion of hobboing cutter slide unit, balancing weight is the square sheet casting pig of polylith, can be by increasing or reduce the quantity of casting pig, flexible adjusting counterweight weight, frame for movement is simple, avoids safeguarding.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is driver composition of the present utility model;
Fig. 3 is the rear column structural representation;
Fig. 4 is the Working table structure schematic diagram.
Wherein, 1, front column, 2, digital control system, 4, horizontal guide rail, 5, workbench, 11, the hobboing cutter slide unit, 12, balancing weight, 13 driving-chains, 14 directive wheels, 21, display, 31, lower pillar stand, 32 upper pillar stands, 33, tailstock, 36, lifting motor, 37, leading screw, 38, screw, 51, index plate, 52, the workbench servomotor, 53, damping gear, 54, the damping motor, 55, mandrel, 311, rail plate, 321, extensible track, 322, worm gear, 323, worm screw, 324, torque motor, 331, top, 341, starting point level sensor, 342, the terminal point level sensor.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
Chain digital control gear hobbing machine with transposition tailstock, as shown in Figure 1, comprise lathe bed, front column 1, digital control system 2, rear column and workbench 5, front column 1 is fixed in an end of lathe bed, digital control system 2 is installed on the front column 1, lathe bed is provided with horizontal guide rail 4, rear column can slide along horizontal guide rail 4, workbench 5 is arranged on the horizontal guide rail 4 between front column 1 and the rear column, rear column comprises lower pillar stand 31 and upper pillar stand 32, lower pillar stand 31 is installed on the horizontal guide rail 4, and upper pillar stand 32 is arranged on the top of lower pillar stand 31, and upper pillar stand 32 can be done transposition action by mechanical device control in horizontal plane.
The transposition sensor is set on the sidewall of lower pillar stand 31, and the transposition sensor comprises starting point level sensor 341 and terminal point level sensor 342.Starting point level sensor 341 is connected with the input port of terminal point level sensor 342 with digital control system 2, is used for the information of transmission transposition commencing signal and transposition endpoint signal.
Lower pillar stand 31 arranges rail plate 311 towards a side of workbench 5, shown in Fig. 2 and 3, mounted tailstock 33 on the rail plate 311, tailstock 33 installs top 331 downwards, during work, top 331 with the center of the mandrel 55 of workbench 5 point-blank, on the upper pillar stand 32 corresponding sidewalls extensible track 321 is set, extensible track 321 and rail plate 311 seamlessly transit and are straight line.
Lower pillar stand 31 and upper pillar stand 32 internal run-throughs one rhizoid thick stick 37, leading screw 37 is driven by lifting motor 36, and the two ends of leading screw 37 on the casing of rear column, arrange screw 38 by bearing fixing on the leading screw 37, and screw 38 is bolted to connection with tailstock 33.The upper end of lower pillar stand 31 arranges stepped hole, and a worm gear 322 is installed in the lower end of upper pillar stand 32, and worm gear 322 inserts in the stepped hole of lower pillar stand 31, and a side of the corresponding workbench of described stepped hole and worm gear arranges the breach that passes through for tailstock 33.One side of worm gear 322 connects worm screw 323, and worm screw 323 is driven by torque motor 324.
Workbench 5 comprises index plate 51, as shown in Figure 4, index plate 51 is driven by workbench servomotor 52, drive the workpiece rotation on the workbench 5, index plate 51 1 sides arrange damping gear 53, damping motor 54 drives damping gear 53 and gives 51 1 reciprocal moments of index plate, is used for the accurate location of index plate 51.
When large gear is lived, use hoisting mechanism workpiece sling lathe directly over, tailstock 33 is carried out transposition, make tailstock 33 transposition in the horizontal direction 90 degree, guarantee that workpiece can be installed on the mandrel 55 of workbench directly over lathe.When tailstock 33 carries out transposition, by the digital control system 2 of operation lathe, lifting motor 36 must electricly just be changeed, drive leading screw 37 rotations, make tailstock 33 rise on the extensible track 321 of upper pillar stand 32 lifting motor 36 dead electricity along rail plate 311.Digital control system 2 output drive signals, make torque motor 324 electric rotation, by worm screw 323 with worm gear 322 drives upper pillar stands 32 and tailstock 33 begins to horizontally rotate.The starting point level sensor 341 transmission transposition commencing signals of upper pillar stand 32 are to the input of digital control system 2, when upper pillar stand 32 rotates to terminal point, terminal point level sensor 342 transmission transposition endpoint signals are to the input of digital control system 2, digital control system 2 stops the driving signal of output torque motor 324, and upper pillar stand 32 transpositions finish.After workpiece installs, again digital control system 2 is operated, make output outputting power signal driving moment motor 324 reverse rotations of digital control system 2, drive upper pillar stands 32 and tailstock 33 oppositely horizontally rotates by worm screw 323 and worm gear 322.Earlier through terminal point level sensor 342, transmission counter-rotating starting point signal is to the input of digital control system 2, and when passing through starting point level sensor 341 again, transmission counter-rotating endpoint signal is to the input of digital control system 2, digital control system 2 stops the driving signal of output torque motor 324, and Rotary cloumn 32 returns finish.This moment, rail plate 311 and extensible track 321 seamlessly transitted linearly, lifting motor 36, driving tailstock 33 moves downward along extensible track 321 and rail plate 311, make top 331 malleations of tailstock 33 on the mandrel 55 of workbench 5, play the effect of support and positioning core axle 55, guarantee workpiece locating accuracy in the process.
The index plate 51 of workbench 5 is driven by workbench servomotor 52, adds man-hour when workpiece carries out gear hobbing, and the rotating speed of index plate 51 and the rotating speed of hobboing cutter are complementary, and process qualified product.When carrying out monodentate, workpiece adds man-hour, according to workpiece, processing the number of teeth what, the index plate 51 of workbench 5 will carry out repeatedly the calibration location, workbench servomotor 52 drives index plate 51 and carries out calibration, when each calibration finishes, workbench servomotor 52 dead electricity, damping motor 54, give 51 1 reciprocal moments of index plate by damping gear 53, reduced the gap between the workbench worm-and-wheel gear that drives index plate 51, made index plate 51 location accurately, when next calibration, damping motor 54 dead electricity, workbench servomotor 52 gets electric, drives index plate 51 and carries out calibration again, has reduced the accumulation gap error of more than 51 calibration of workbench index plate.Circulate with this, machine up to workpiece.
Claims (7)
1. chain digital control gear hobbing machine with transposition tailstock, comprise lathe bed, be fixed in the front column (1) of lathe bed one end, rear column in lathe bed upper edge horizontal guide rail (4) slip, be arranged on the workbench (5) on the horizontal guide rail (4) between front column (1) and the rear column, digital control system (2), it is characterized in that: described rear column comprises the lower pillar stand (31) that is installed on the horizontal guide rail (4), the top of lower pillar stand (31) is arranged on the upper pillar stand (32) of doing transposition action in the horizontal plane, described lower pillar stand (31) is provided for the rail plate (311) of mounted tailstock (33) towards a side of workbench (5), arranges with rail plate (311) on the corresponding sidewall of upper pillar stand (32) and seamlessly transits the extensible track (321) that is straight line.
2. the chain digital control gear hobbing machine with transposition tailstock according to claim 1, it is characterized in that: the upper end of described lower pillar stand (31) arranges stepped hole, the lower end of upper pillar stand (32) arranges the worm gear (322) that inserts in the stepped hole, one side of worm gear (322) is connected with torque motor (324) by worm screw (323), and the transposition sensor for detection of upper pillar stand (32) transposition information that is connected with digital control system (2) is set on the sidewall of lower pillar stand (31).
3. the chain digital control gear hobbing machine with transposition tailstock according to claim 2 is characterized in that: described transposition sensor comprises the starting point level sensor (341) of transmission transposition commencing signal and transmits the terminal point level sensor (342) of transposition endpoint signal.
4. according to each described chain digital control gear hobbing machine with transposition tailstock of claim 1～3, it is characterized in that: leading screw (37) that is driven by lifting motor (36) of described lower pillar stand (31) and upper pillar stand (32) internal run-through, bearing fixing is passed through at the two ends of leading screw (37), the screw (38) of cooperation is set on the leading screw (37), and screw (38) is fixedlyed connected with tailstock (33).
5. the chain digital control gear hobbing machine with transposition tailstock according to claim 1, it is characterized in that: described workbench (5) comprises the index plate (51) of the control workpiece anglec of rotation that is driven by workbench servomotor (52), the damping gear (53) that is used for reducing operating error that index plate (51) one side settings are driven by damping motor (54).
6. according to claim 1,2,5 each described chain digital control gear hobbing machines with transposition tailstock, it is characterized in that: described front column (1) inside is provided with the balancing weight (12) for balance hobboing cutter slide unit (11) weight, and described balancing weight (12) is the square sheet casting pig of polylith.
7. according to claim 1,2,5 each described chain digital control gear hobbing machines with transposition tailstock, it is characterized in that: described digital control system (2) is for being connected with the digital process control system of display (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131039 CN203124869U (en) | 2013-03-21 | 2013-03-21 | Numerically-controlled gear hobbing machine provided with transposition tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131039 CN203124869U (en) | 2013-03-21 | 2013-03-21 | Numerically-controlled gear hobbing machine provided with transposition tailstock |
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| Publication Number | Publication Date |
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| CN203124869U true CN203124869U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320131039 Expired - Fee Related CN203124869U (en) | 2013-03-21 | 2013-03-21 | Numerically-controlled gear hobbing machine provided with transposition tailstock |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112139A (en) * | 2016-07-20 | 2016-11-16 | 佛山市云峰精密机械有限公司 | A kind of high speed gear hobber |
| CN106270817A (en) * | 2016-09-30 | 2017-01-04 | 浙江日创机电科技有限公司 | A kind of gear-hobbing machine suspension type apex tailstock |
| CN107020423A (en) * | 2017-04-25 | 2017-08-08 | 谭清平 | A kind of travelling gear processes the special high gear hobbing machine worktable of efficient accuracy |
| CN107052891A (en) * | 2017-03-13 | 2017-08-18 | 钟浪雅 | A kind of gear-hobbing machine for being convenient to clean scrap |
| CN108161140A (en) * | 2018-01-23 | 2018-06-15 | 泰州市润辉机械制造有限公司 | A kind of chain digital control gear hobbing machine device and its application method |
| CN108778592A (en) * | 2015-09-17 | 2018-11-09 | Emag 控股有限公司 | The method and apparatus of manufacture and the deburring of toothing |
| CN108971657A (en) * | 2018-08-02 | 2018-12-11 | 重庆工业职业技术学院 | gear machining apparatus |
-
2013
- 2013-03-21 CN CN 201320131039 patent/CN203124869U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108778592A (en) * | 2015-09-17 | 2018-11-09 | Emag 控股有限公司 | The method and apparatus of manufacture and the deburring of toothing |
| CN106112139A (en) * | 2016-07-20 | 2016-11-16 | 佛山市云峰精密机械有限公司 | A kind of high speed gear hobber |
| CN106270817A (en) * | 2016-09-30 | 2017-01-04 | 浙江日创机电科技有限公司 | A kind of gear-hobbing machine suspension type apex tailstock |
| CN106270817B (en) * | 2016-09-30 | 2018-07-06 | 浙江日创机电科技有限公司 | A kind of gear-hobbing machine suspension type apex tailstock |
| CN107052891A (en) * | 2017-03-13 | 2017-08-18 | 钟浪雅 | A kind of gear-hobbing machine for being convenient to clean scrap |
| CN107020423A (en) * | 2017-04-25 | 2017-08-08 | 谭清平 | A kind of travelling gear processes the special high gear hobbing machine worktable of efficient accuracy |
| CN108161140A (en) * | 2018-01-23 | 2018-06-15 | 泰州市润辉机械制造有限公司 | A kind of chain digital control gear hobbing machine device and its application method |
| CN108971657A (en) * | 2018-08-02 | 2018-12-11 | 重庆工业职业技术学院 | gear machining apparatus |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20200321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |