CN205237245U

CN205237245U - Gear grinding machine

Info

Publication number: CN205237245U
Application number: CN201520990760.1U
Authority: CN
Inventors: 肖才玉
Original assignee: Jinhua Lisheng Tools Co Ltd
Current assignee: Jinhua Lisheng Tools Co Ltd
Priority date: 2015-12-03
Filing date: 2015-12-03
Publication date: 2016-05-18
Anticipated expiration: 2025-12-03

Abstract

The utility model discloses a gear grinding machine, including fuselage, the mechanism that whets a knife, actuating mechanism and control mechanism, whet a knife the mechanism include the emery wheel, locate on the fuselage the moving member and with this moving member sliding fit's branch tooth device, divide the tooth device with the emery wheel cooperation is used for processing to locate the work piece on the branch tooth device, actuating mechanism including the first driving piece that is used for driving the emery wheel, be used for driving moving member pivoted second driving piece and be used for the drive to divide the third driving piece of tooth device on vertical plane, first driving piece, second driving piece and third driving piece all are controlled by control mechanism. The utility model discloses simple structure, degree of automation is high, and the work piece of different specifications can be processed on same gear grinding machine, and the commonality is good, and dividing accuracy is high.

Description

Gear grinding machines

Technical field

The utility model belongs to machine-building manufacture field, is specifically related to a kind of gear grinding machines.

Background technology

Y7125 type gear grinding machines are large plane grinding-wheel gear grinding machines of producing a kind of fifties in last century, it is the visual plant of China's cutter for gear wheel processing, be mainly used in cutter for gear wheel and the master gears such as grinding gear shaver, pinion cutter, be widely used at home, its equipment performance there is no other substitute products. But Y7125 type gear grinding machines stop production, original several required main frocks (equi-index plate, lobe plate, flexible axle, change gear, core bar etc.), on market, deposit in decades fewer and feweri, lathe itself need accessory substantially cannot purchase; Domestic market is produced the lathe of pinion cutter, gear shaver product, except this old-fashioned Y7125 roll flute type, there is no alternative type. The Y7125 roll flute type that domestic market has, except main body lathe bed and the part main body grinding wheel head structure of lathe itself, outside can recycling through reparation, all the other mechanical transmission structure precision are all lost, overwhelming majority lathe is at present in difficult production, and required precision is difficult to meet the requirement of modern industry. The CNC gear grinding machine that domestic lathe is produced, what mainly adopt is turbine and worm auxiliary structure, wear and tear larger, and affected by the multiple uncertain factor such as machining, assembling and setting, inevitably there is drive gap in transmission process, then affect transmission accuracy, precision is difficult to long-term guarantee, and result of use is unsatisfactory. Therefore on the basis of original Y7125 gear grinding machines, research and develop a kind of novel gear grinding machines and seem very necessary.

These gear grinding machines need to be readjusted the inclination angle of workbench or change different involute cams at the cutter of grinding different parameters, adjustment link complexity, cost is high, automaticity is low, lathe is mainly by workman's manual adjustment and operation, workman's work working strength is large, production efficiency is low, and machining accuracy is larger with workman's operant level variation, cannot meet modern advanced requirement of manufacturing; In the time that it is practiced Buddhism or Taoism to cutter for gear wheel, due to the employing of correction of the flank shape system is mechanical type pattern trimming device, the shape of emery wheel is decided by pattern, and the correction of the flank shape precision of emery wheel is relevant to the accuracy of manufacture of pattern, installation accuracy and operator's skills involved in the labour, in the time that tool-tooth profile has small variation, accordingly, the shape of cutting of emery wheel also becomes thereupon, and this just need to manufacture master plate again, thereby, the efficiency of this correction method is lower, and versatility is poor.

Utility model content

In order to overcome the deficiencies in the prior art, it is a kind of simple in structure that the utility model provides, and machining accuracy is high, applied widely, the gear grinding machines that working (machining) efficiency is high.

The utility model solves the technical scheme that its technical problem adopts: a kind of gear grinding machines, comprise fuselage, knife grinding mechanism, driving mechanism and controlling organization, point tooth device that described knife grinding mechanism comprises emery wheel, is located at the moving member on fuselage and is slidably matched with this moving member, described point of tooth device coordinates with described emery wheel for processing the workpiece of being located on point tooth device; Described driving mechanism comprises the first actuator for driving emery wheel, for driving the second actuator that moving member rotates on perpendicular and for driving the 3rd actuator of point tooth device, described the first actuator, the second actuator and the 3rd actuator are all controlled by controlling organization.

Further, described point of tooth device comprise housing, through the main shaft in housing and the 3rd actuator rotating for drive shaft.

Further, described workpiece is located at spindle nose.

Further, described moving member comprises guide rail and the slide unit that can move on guide rail, and described point of tooth device is connected with described slide unit.

Described the 3rd actuator comprises the first driving member that drives guide rail to rotate on perpendicular and the second driving member that drives slide unit to move on guide rail.

Further, described guide rail is provided with safety guard.

Further, described fuselage is provided with lubricating system.

Further, described the second actuator is screw mandrel, and described the 3rd actuator is torque motor.

Further, described emery wheel is provided with dresser.

Further, described dresser is by X-axis servomotor and Z axis driven by servomotor.

The beneficial effects of the utility model are, simple in structure, are convenient to realize the calibration at any angle of gear grinding machines, cancelled traditional turbine and worm auxiliary driving structure, automaticity is high, and the workpiece of different size can be processed on same gear grinding machines, versatility is good, and indexing accuracy is high.

Brief description of the drawings

Fig. 1 is structural representation one of the present utility model.

Fig. 2 is structural representation two of the present utility model.

Fig. 3 is the structural representation that the utility model divides tooth device.

Detailed description of the invention

In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is carried out to clear, complete description, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.

Shown in Fig. 1,2; a kind of gear grinding machines; comprise fuselage 1, knife grinding mechanism, driving mechanism and controlling organization; fuselage 1 is provided with workbench 12, is also provided with lubricating system 11 in fuselage 1, and knife grinding mechanism comprises point tooth device 4 being slidably matched for the emery wheel 2 of roll flute, moving member 3 and with moving member 3; emery wheel 2 is arranged on workbench 12; can High Rotation Speed under the driving of the first actuator 24, the outside of emery wheel 2 is provided with grinding wheel guard 25, prevents from adding the fragment producing man-hour human body is damaged. On emery wheel 2, be also provided with dresser 21, this dresser 21 is NC dresser, and it drives common driving to repair emery wheel 2 by X-axis servomotor 22 and Z axis servomotor 23, and guarantee emery wheel 2 is effectively worked.

Moving member 3 comprises guide rail 31 and the slide unit 32 that can horizontally slip on guide rail 31, and this slide unit 32 is driven by the second driving member 34, is also provided with slide unit guiding mechanism on slide unit 32, and a point tooth device 4 is connected on this slide unit 32. Guide rail 31 is provided with accommodating sundries and enters safety guard 311 wherein, its can be on perpendicular under the driving of the first driving member 33 along clockwise or rotate counterclockwise. In the present embodiment, the first driving member 33 is Y-axis servomotor, and the second driving member 34 is the close ballscrew of Y-axis.

Shown in Fig. 3, point tooth device 4 comprises housing, run through and be arranged on the 3rd actuator 44 that the main shaft 43 of enclosure interior rotates for drive shaft 43, main shaft 43 is hollow cylinder body structure, the 3rd actuator 44 is torque motor, it comprises stator 441 and rotor 442, rotor 442 is rotatably assorted with main shaft 43 by the first connector 42, and the first connector 42 is for being set in the connecting jacket structure of main shaft 43 peripheries. The end of main shaft 43 is connected with encoder 46 by shaft coupling 45, the other end of main shaft 43 is provided with workpiece to be processed 41, housing comprises the first housing 471 that is located at torque motor periphery and the second housing 472 that is located at main shaft 43 outsides, stator 441 is connected with the first housing 471, the first housing 471 is connected with encoder 46 by the second connector 48, and this second connector 48 is connected with stator 441. Encoder 46 is coated on inside by the first housing 471, for the ease of assembling, between the second connector 48 and encoder 46, is also provided with mount pad 49. Between the second connector 48 and main shaft 43, be provided with one group of clutch shaft bearing 401. The second housing 472 is connected with stator 441 and the first housing 471 by flange 421. The second housing 472 is connected with main shaft 43 by least two bearings, in the present embodiment, the second housing 472 is connected with main shaft 43 by three groups of bearings, respectively the second bearing group 402, the 3rd bearing group 403 and the 4th bearing group 404, on the second housing 472, be formed for regulating the groove 422 of weight distribution, the second bearing group 402 is positioned at a side of groove 422, and the 3rd bearing group 403 and the 4th bearing group 404 are positioned at the opposite side of groove 422. Between the 3rd bearing group 403 and the 4th bearing group 404, be connected by the special union of bearing. Between main shaft 43 ends and the second housing 472, be provided with end cap, this end cap outside is provided with dust cap.

Gear grinding machines are provided with controlling organization, the operation of this controlling organization control first actuator 24, the second actuator and the 3rd actuator 44, and it shows by a display screen 5, and this display screen 5 is by a cantilever support, and user can monitor machine working order intuitively.

Operation principle of the present utility model is, workpiece is placed on point tooth device 4, under the control of control system, when dividing tooth device 4 self to rotate, it moves left and right on guide rail 31 by slide unit 32, and guide rail 31 also can rotate on perpendicular, thereby can in three dimensions, the angle to workpiece adjust, by the adjusting of emery wheel 2 rotating speeds, workpiece is processed again.

Above-mentioned detailed description of the invention is used for the utility model of explaining; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment and change that the utility model is made, all fall into protection domain of the present utility model.

Claims

1. gear grinding machines, comprise fuselage (1), knife grinding mechanism, driving mechanism and controlling organization, it is characterized in that: point tooth device (4) that described knife grinding mechanism comprises emery wheel (2), is located at the moving member (3) on fuselage (1) and is slidably matched with this moving member (3), described point of tooth device (4) coordinates with described emery wheel (2) for processing is located at the workpiece (41) on point tooth device (4); Described driving mechanism comprises the first actuator (24) for driving emery wheel (2), for driving the second actuator of moving member (3) and for driving the 3rd actuator (44) of point tooth device (4), described the first actuator (24), the second actuator and the 3rd actuator (44) are all controlled by controlling organization.

2. gear grinding machines according to claim 1, is characterized in that: the 3rd actuator (44) that described point of tooth device (4) comprises housing, rotates through the main shaft (43) in housing and for drive shaft (43).

3. gear grinding machines according to claim 2, is characterized in that: described workpiece (41) is located at main shaft (43) end.

4. gear grinding machines according to claim 1, is characterized in that: described moving member (3) comprises guide rail (31) and the slide unit (32) that can above move in guide rail (31), and described point of tooth device (4) is connected with described slide unit (32).

5. gear grinding machines according to claim 4, is characterized in that: described the 3rd actuator comprises the first driving member (33) that driving guide rail (31) rotates on perpendicular and drives slide unit (32) in upper mobile the second driving member (34) of guide rail (31).

6. gear grinding machines according to claim 4, is characterized in that: described guide rail (31) is provided with safety guard (311).

7. gear grinding machines according to claim 1, is characterized in that: described fuselage (1) is provided with lubricating system (11).

8. gear grinding machines according to claim 1, is characterized in that: described the second actuator (33) is screw mandrel, and described the 3rd actuator (44) is torque motor.

9. gear grinding machines according to claim 1, is characterized in that: described emery wheel (2) is provided with dresser (21).

10. gear grinding machines according to claim 9, is characterized in that: described dresser (21) is driven by X-axis servomotor (22) and Z axis servomotor (23).