阅读说明：本技术 一种可控齿刀伸展长度加工等深齿痕的滚齿机 (Gear hobbing machine capable of controlling extension length of serrated knife to process equal-depth tooth marks ) 是由 蒙子波 于 2021-01-15 设计创作，主要内容包括：本发明涉及齿轮相关领域,公开了一种可控齿刀伸展长度加工等深齿痕的滚齿机,包括滚齿轮,滚齿轮上端面固定连接有主动轴,主动轴内设有贯穿滚齿轮切开口向下的滚轴腔,滚轴腔左端壁连通设有位于滚齿轮内的摩擦腔,滚齿轮内设有位于摩擦腔下侧的正反转腔,通过驱动电机转动,利用平衡块的偏转,控制调节轮正反转,实现割刀的实时伸缩,从而使得割刀能够一次性加工出同等深度的齿痕,通过增加有效工作部分来减少能源损耗的同时,大大减少了加工时间,避免出现加工误差,提高了工作效率,同时利用调节电机控制调节轮的转动速度,控制割刀的伸展长度,实现逐步加深齿痕的效果,大大的减少了由于往复移动造成的误差,保证了工作质量。(The invention relates to the related field of gears, and discloses a hobbing machine capable of controlling the extension length of a serrated knife to process deep tooth marks, which comprises a hobbing gear, wherein the upper end surface of the hobbing gear is fixedly connected with a driving shaft, a rolling shaft cavity penetrating through a cutting opening of the hobbing gear downwards is arranged in the driving shaft, a friction cavity positioned in the hobbing gear is communicated with the left end wall of the rolling shaft cavity, a forward and reverse rotation cavity positioned at the lower side of the friction cavity is arranged in the hobbing gear, a regulating wheel is controlled to rotate forward and reverse by the rotation of a driving motor, so that the real-time extension and retraction of the cutting knife can be realized, the cutting knife can process tooth marks with the same depth at one time, the effective working part is increased to reduce the energy loss, the processing time is greatly reduced, the processing error is avoided, the working efficiency is improved, the rotation speed of the regulating wheel is controlled by the regulating motor, the extension length of, greatly reduces the error caused by reciprocating movement and ensures the working quality.)

1. The utility model provides a gear hobbing machine of deep tooth trace such as controllable serrated knife extension length processing, includes the gear hobbing, its characterized in that: the upper end surface of the roller gear is fixedly connected with a driving shaft, a roller cavity penetrating through the roller gear with a downward cutting opening is arranged in the driving shaft, a friction cavity positioned in the roller gear is communicated with the left end wall of the roller cavity, a forward and reverse rotation cavity positioned on the lower side of the friction cavity is arranged in the roller gear, a moving shaft moving cavity is communicated with the right end wall of the forward and reverse rotation cavity, a dipolar magnet cavity is communicated with the right end wall of the moving shaft moving cavity, an oblique gear cavity positioned on the left side of the forward and reverse rotation cavity is arranged in the roller gear, an adjusting cavity positioned on the left side of the roller gear is arranged in the roller gear, a transverse moving cavity is communicated with the upper end wall of the adjusting cavity, a through cavity is communicated with the left end wall of the transverse moving cavity, an opening extending cavity is communicated with the left end wall of the through cavity, and an, the left end face of the adjusting motor is fixedly connected with a screw rod which extends into the transverse movable cavity leftwards, a transverse moving threaded body which is located in the transverse movable cavity and is in sliding fit with the transverse movable cavity is connected to the screw rod in a threaded fit mode, a threaded rod which extends through the transverse movable cavity and the through cavity leftwards to the extending cavity is connected to the transverse moving threaded body in a rotating fit mode, an adjusting wheel which is located in the transverse movable cavity is fixedly connected to the threaded rod, an extending body which is located in the extending cavity is connected to the threaded rod in a threaded fit mode, and a cutting knife which extends leftwards to the left side of the rolling gear is fixedly connected to the left end face of the.

2. The gear hobbing machine for machining the constant-depth tooth marks by the aid of the stretching length of the controllable serrated knife according to claim 1, wherein the gear hobbing machine is characterized in that: the right end wall of the adjusting cavity is rotationally matched and connected with a helical gear fixing shaft which extends rightwards into the helical gear cavity and leftwards into the adjusting cavity, the left end of the bevel gear fixing shaft is fixedly connected with a bevel gear which is positioned in the adjusting cavity and is in friction fit with the adjusting wheel, the helical gear fixing shaft is fixedly connected with a steering helical gear positioned in the helical gear cavity, the left end wall of the forward and reverse rotation cavity is in rotating fit connection with a spline shaft extending leftwards into the helical gear cavity, the tail end of the left side of the spline shaft is fixedly connected with a forward and reverse rotation output wheel which is positioned in the helical gear cavity and meshed with the steering helical gear, a spline cavity with a right opening is arranged in the spline shaft, a movable gear shaft which extends through the forward and reverse rotation cavity to the movable cavity of the movable shaft to the right is connected in a spline fit manner in the spline cavity, and a spline spring is fixedly connected between the left end surface of the movable gear shaft and the left end wall of the spline cavity.

3. The gear hobbing machine for machining the constant-depth tooth marks by the aid of the stretching length of the controllable serrated knife according to claim 2, wherein the gear hobbing machine is characterized in that: the end of the right side of the movable gear shaft is fixedly connected with a movable magnet block positioned in a movable cavity of the movable shaft, the movable gear shaft is fixedly connected with a forward rotation helical gear positioned in a forward rotation cavity and a reverse rotation helical gear positioned in the forward rotation cavity and on the right side of the forward rotation helical gear, the inner rotating fit of the upper end wall of the friction cavity is connected with a forward rotation driving shaft which extends downwards and penetrates through the friction cavity to the forward rotation cavity, the forward rotation driving shaft is fixedly connected with a forward rotation driving wheel positioned in the friction cavity, and the end of the lower side of the forward rotation driving shaft is fixedly connected with a forward rotation helical gear which is positioned in the forward rotation cavity and can be meshed with the forward rotation helical gear and the reverse rotation helical gear.

4. The gear hobbing machine for machining the constant-depth tooth marks by the aid of the stretching length of the controllable serrated knife according to claim 3, wherein the gear hobbing machine is characterized in that: the friction chamber upper end wall internal rotation cooperation is connected with downwardly extending and runs through the friction chamber extremely the pulley shaft in the friction chamber lower end wall, the epaxial fixedly connected with of pulley is located the friction band pulley of friction intracavity, the friction band pulley with power fit is connected with the friction conveyer belt between the positive reverse rotation drive wheel, the epaxial fixedly connected with of pulley is located the friction pulley of friction intracavity, driving shaft up end fixedly connected with driving motor, roller bearing intracavity sliding fit is connected with downwardly extending and runs through the roller gear extremely the friction axle of roller gear downside, the friction axle with friction pulley friction fit, friction axle down end fixedly connected with is located the fixed block of roller gear downside.

5. The gear hobbing machine for machining the constant-depth tooth marks by the aid of the stretching length of the controllable serrated knife according to claim 1, wherein the gear hobbing machine is characterized in that: the two-pole magnet cavity is connected with a magnet connecting block in a sliding fit manner, the upper end face of the magnet connecting block is fixedly connected with a repulsion magnet which is positioned in the two-pole magnet cavity and can correspond to the moving magnet block, a repulsion spring is fixedly connected between the upper end face of the repulsion magnet and the upper end wall of the two-pole magnet cavity, the lower end face of the magnet connecting block is fixedly connected with a suction magnet which is positioned in the two-pole magnet cavity and can correspond to the moving magnet block, a suction spring is fixedly connected between the lower end face of the suction magnet and the lower end wall of the two-pole magnet cavity, a balance cavity is arranged in the roller gear, a balance block is connected in the balance cavity in a sliding fit manner, balance springs are fixedly connected between the left end face of the balance block and the left end wall of the balance cavity, a positive rotation pull rope is fixedly connected between the right end face of the balance block and the upper end face of the repulsive force magnet.

Technical Field

The invention relates to the related field of gears, in particular to a hobbing machine capable of controlling the extension length of a serrated knife to process deep tooth marks and the like.

Background

The processing mode of gear has a lot of, the common use has the gear hobbing processing, the gear hobbing processing at present stage needs the position of continuous adjustment gear hobbing in the course of working, the realization is to the processing of the equal degree of depth of gear, but the gear hobbing is at the rotation in-process, effectual work portion is few, a large amount of energy has been wasted, and long-time reciprocating motion, a large amount of time has not only been wasted, and make the gear hobbing have not hard up possibility, thereby lead to processing the deviation to appear, can lead to the fact the damage to the tooth when serious, work quality and work efficiency are influenced.

Disclosure of Invention

The invention aims to provide a hobbing machine capable of controlling the extension length of a serrated knife to process deep tooth marks such as deep tooth marks, which can overcome the defects in the prior art and improve the practicability of equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a hobbing machine capable of controlling the extension length of a gear cutter to process equal-depth tooth marks, which comprises a hobbing gear, wherein the upper end surface of the hobbing gear is fixedly connected with a driving shaft, a hobbing cavity penetrating through the opening of the hobbing gear downwards is arranged in the driving shaft, the left end wall of the hobbing cavity is communicated with a friction cavity positioned in the hobbing gear, a forward and reverse rotation cavity positioned at the lower side of the friction cavity is arranged in the hobbing gear, the right end wall of the forward and reverse rotation cavity is communicated with a movable cavity of a moving shaft, the right end wall of the movable cavity of the moving shaft is communicated with a bipolar magnet cavity, an inclined gear cavity positioned at the left side of the forward and reverse rotation cavity is arranged in the hobbing gear, an adjusting cavity positioned at the left side of the hobbing gear is arranged in the hobbing gear, the upper end wall of the adjusting cavity is communicated with a transverse movable cavity, the left end wall of the transverse movable cavity is, the adjustable horizontal type rolling gear is characterized in that an adjusting motor located on the right side of the horizontal movable cavity is arranged in the rolling gear, a left end face of the adjusting motor is fixedly connected with a lead screw extending to the left side of the horizontal movable cavity, a horizontal moving threaded body located in the horizontal movable cavity and in sliding fit with the horizontal movable cavity is connected to the lead screw in a threaded fit mode, a threaded rod extending to penetrate through the horizontal movable cavity and the through cavity to the extending cavity is connected to the horizontal moving threaded body in a rotating fit mode, an adjusting wheel located in the horizontal movable cavity is fixedly connected to the threaded rod, an extending body located in the extending cavity is connected to the threaded rod in a threaded fit mode, and a left end face of the extending body is fixedly connected with a cutting knife.

On the basis of the technical scheme, the right end wall of the adjusting cavity is rotationally and cooperatively connected with a helical gear fixing shaft which extends rightwards into the helical gear cavity and leftwards into the adjusting cavity, the left end of the helical gear fixing shaft is fixedly connected with a bevel gear which is positioned in the adjusting cavity and is in friction fit with the adjusting wheel, the helical gear fixing shaft is fixedly connected with a steering helical gear which is positioned in the helical gear cavity, the left end of the forward and reverse rotating cavity is rotationally and cooperatively connected with a spline shaft which extends leftwards into the helical gear cavity, the left end of the spline shaft is fixedly connected with a forward and reverse rotating output wheel which is positioned in the helical gear cavity and is meshed with the steering helical gear, the spline shaft is internally provided with a spline cavity with a right opening, and the spline cavity is in spline fit connection with a movable, and a spline spring is fixedly connected between the left end surface of the movable gear shaft and the left end wall of the spline cavity.

On the basis of the technical scheme, the tail end of the right side of the movable gear shaft is fixedly connected with a movable magnet block positioned in a movable cavity of the movable gear shaft, the movable gear shaft is fixedly connected with a forward rotation helical gear positioned in the forward and reverse rotation cavity, the movable gear shaft is fixedly connected with a reverse rotation helical gear positioned in the forward and reverse rotation cavity and positioned on the right side of the forward rotation helical gear, a forward and reverse rotation driving shaft which extends downwards and penetrates through the friction cavity to the forward and reverse rotation cavity is connected in an inner rotation fit mode on the upper end wall of the friction cavity, a forward and reverse rotation driving wheel positioned in the friction cavity is fixedly connected on the forward and reverse rotation driving shaft, and the tail end of the lower side of the forward and reverse rotation driving shaft is fixedly connected with a forward.

On the basis of the technical scheme, the inner wall of the upper end wall of the friction cavity is connected with a pulley shaft which extends downwards and penetrates through the friction cavity to the inner wall of the lower end wall of the friction cavity in a rotating fit mode, the pulley shaft is fixedly connected with a friction pulley which is located in the friction cavity, the friction pulley and the forward and reverse rotating driving wheel are connected with a friction conveying belt in a power fit mode, the pulley shaft is fixedly connected with a friction wheel which is located in the friction cavity, the upper end face of the driving shaft is fixedly connected with a driving motor, the roller shaft is connected with a friction shaft which extends downwards and penetrates through the roller gear to the lower side of the roller gear in a sliding fit mode, the friction shaft is in friction fit with the friction wheel, and the lower end face of the.

On the basis of the technical scheme, the two-pole magnet cavity is connected with a magnet connecting block in a sliding fit manner, the upper end face of the magnet connecting block is fixedly connected with a repulsion magnet which is positioned in the two-pole magnet cavity and can correspond to the movable magnet block, a repulsion spring is fixedly connected between the upper end face of the repulsion magnet and the upper end wall of the two-pole magnet cavity, the lower end face of the magnet connecting block is fixedly connected with a suction magnet which is positioned in the two-pole magnet cavity and can correspond to the movable magnet block, a suction spring is fixedly connected between the lower end face of the suction magnet and the lower end wall of the two-pole magnet cavity, a balance cavity is arranged in the roller gear, a balance block is connected in a sliding fit manner in the balance cavity, balance springs are fixedly connected between the left end face of the balance block and the left end wall of the balance cavity, a positive rotation pull rope is fixedly connected between the right end face of the balance block and the upper end face of the repulsive force magnet.

The invention has the beneficial effects that: rotate through driving motor, utilize the deflection of balancing piece, the control regulating wheel is just reversing, realize the real-time flexible of cutting knife, thereby make the cutting knife once only process out the tooth trace of equal degree of depth, when reducing energy loss through increasing effective work part, the process time that has significantly reduced, avoid appearing machining error, the work efficiency is improved, utilize the slew velocity of adjusting motor control regulating wheel simultaneously, the extension length of control cutting knife, the realization progressively deepens the effect of tooth trace, great reduction because reciprocating motion causes the error, the work quality has been guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the whole structure of a gear hobbing machine for processing deep tooth marks such as constant depth marks by a controllable tooth cutter stretching length.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The hobbing machine capable of controlling the extension length of the serrated knife to process the deep tooth marks comprises a hobbing gear 22, wherein a driving shaft 20 is fixedly connected to the upper end face of the hobbing gear 22, a hobbing shaft cavity 18 which penetrates through the hobbing gear 22 and has a downward cutting opening is arranged in the driving shaft 20, a friction cavity 19 which is arranged in the hobbing gear 22 is communicated with the left end wall of the hobbing shaft cavity 18, a forward and reverse rotation cavity 27 which is arranged on the lower side of the friction cavity 19 is arranged in the hobbing gear 22, a moving shaft movable cavity 49 is communicated with the right end wall of the forward and reverse rotation cavity 27, a bipolar magnet cavity 50 is communicated with the right end wall of the moving shaft movable cavity 49, a bevel gear cavity 42 which is arranged on the left side of the forward and reverse rotation cavity 27 is arranged in the hobbing gear 22, an adjusting cavity 36 which is arranged on the left side of the hobbing gear 22 is arranged in the hobbing gear 22, and a transverse movable cavity 34 is, the left end wall of the transverse movable cavity 34 is communicated with a through cavity 32, the left end wall of the through cavity 32 is communicated with an extending cavity 13 with a left opening, the roller gear 22 is internally provided with an adjusting motor 16 positioned on the right side of the transverse movable cavity 34, the left end surface of the adjusting motor 16 is fixedly connected with a screw rod 15 which extends leftwards into the transverse movable cavity 34, the screw rod 15 is in threaded fit connection with a transverse threaded body 35 which is positioned in the transverse movable cavity 34 and is in sliding fit with the transverse movable cavity 34, the transverse threaded body 35 is in rotational fit connection with a threaded rod 31 which extends leftwards and penetrates through the transverse movable cavity 34 and the through cavity 32 to the extending cavity 13, the threaded rod 31 is fixedly connected with an adjusting wheel 33 positioned in the transverse movable cavity 34, and the threaded rod 31 is in threaded fit connection with an extending body 14 positioned in the extending cavity 13, the left end face of the extending body 14 is fixedly connected with a cutting knife 12 which extends leftwards to the left side of the roller gear 22.

In addition, in one embodiment, a bevel gear fixing shaft 40 extending rightwards into the bevel gear cavity 42 and leftwards into the adjusting cavity 36 is connected in a rotationally matched manner to the right end wall of the adjusting cavity 36, a bevel gear 37 located in the adjusting cavity 36 and in frictional fit with the adjusting wheel 33 is fixedly connected to the left end of the bevel gear fixing shaft 40, a steering bevel gear 41 located in the bevel gear cavity 42 is fixedly connected to the bevel gear fixing shaft 40, a spline shaft 39 extending leftwards into the bevel gear cavity 42 is connected in a rotationally matched manner to the left end wall of the forward and reverse rotating cavity 27, a forward and reverse output wheel 38 located in the bevel gear cavity 42 and engaged with the steering bevel gear 41 is fixedly connected to the left end of the spline shaft 39, a spline cavity 44 with a right opening is formed in the spline cavity 39, a movable gear shaft 46 extending rightwards through the forward and reverse rotating cavity 27 to a movable cavity 49 of the movable shaft is connected in a spline manner in the spline cavity, a spline spring 43 is fixedly connected between the left end surface of the movable gear shaft 46 and the left end wall of the spline cavity 44.

In addition, in one embodiment, the right end of the moving gear shaft 46 is fixedly connected with a moving magnet block 48 positioned in the moving shaft moving cavity 49, a forward rotation bevel gear 45 positioned in the forward and reverse rotation cavity 27 is fixedly connected to the movable gear shaft 46, the moving gear shaft 46 is fixedly connected with a reverse rotation bevel gear 28 which is positioned in the forward and reverse rotation cavity 27 and positioned at the right side of the forward rotation bevel gear 45, a forward and reverse rotation driving shaft 10 which extends downwards to penetrate through the friction cavity 19 to the forward and reverse rotation cavity 27 is connected in a rotating and matching way in the upper end wall of the friction cavity 19, the positive and negative rotation driving shaft 10 is fixedly connected with a positive and negative rotation driving wheel 11 positioned in the friction cavity 19, the forward and reverse bevel gears 25 which are positioned in the forward and reverse rotation cavity 27 and can be meshed with the forward bevel gear 45 and the reverse bevel gear 28 are fixedly connected to the lower end of the forward and reverse rotation driving shaft 10.

In addition, in one embodiment, a pulley shaft 24 extending downward through the friction cavity 19 to the lower end wall of the friction cavity 19 is connected in a rotationally-matched manner in the upper end wall of the friction cavity 19, a friction pulley 30 located in the friction cavity 19 is fixedly connected to the pulley shaft 24, a friction conveyor belt 29 is connected between the friction pulley 30 and the forward and reverse rotation driving wheel 11 in a rotationally-matched manner, a friction wheel 23 located in the friction cavity 19 is fixedly connected to the pulley shaft 24, a driving motor 17 is fixedly connected to the upper end face of the driving shaft 20, a friction shaft 21 extending downward through the roller gear 22 to the lower side of the roller gear 22 is connected in a rotationally-matched manner in the roller cavity 18, the friction shaft 21 is in a frictionally-matched manner with the friction wheel 23, and a fixed block 26 located on the lower side of the roller gear 22 is fixedly connected to the lower end face of the friction.

In addition, in one embodiment, a magnet connecting block 53 is slidably connected in the two-pole magnet cavity 50, a repulsive magnet 52 which is located in the two-pole magnet cavity 50 and can correspond to the moving magnet block 48 is fixedly connected to the upper end surface of the magnet connecting block 53, a repulsive spring 51 is fixedly connected between the upper end surface of the repulsive magnet 52 and the upper end wall of the two-pole magnet cavity 50, a attractive magnet 54 which is located in the two-pole magnet cavity 50 and can correspond to the moving magnet block 48 is fixedly connected to the lower end surface of the magnet connecting block 53, an attractive spring 47 is fixedly connected between the lower end surface of the attractive magnet 54 and the lower end wall of the two-pole magnet cavity 50, a balance cavity 59 is arranged in the roller gear 22, a balance block 58 is slidably connected in the balance cavity 59, and balance springs 57 are fixedly connected between the left and right end surfaces of the balance block 58 and the, a reverse rotation pull rope 56 is fixedly connected between the left end surface of the balance block 58 and the lower end surface of the attraction magnet 54, and a forward rotation pull rope 55 is fixedly connected between the right end surface of the balance block 58 and the upper end surface of the repulsion magnet 52.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

As shown in fig. 1 to 4, when the apparatus of the present invention is in the initial state, the spline spring 43 is in the relaxed state, the repulsion spring 51 is in the relaxed state, the suction spring 47 is in the relaxed state, the balance weight 58 is in the horizontal state, the balance spring 57 is in the relaxed state, and the forward and reverse helical gear 25 idles;

sequence of mechanical actions of the whole device:

when the cutting machine starts to work, the driving motor 17 is started, the driving shaft 20 is driven to rotate by starting of the driving motor 17, the driving shaft 20 rotates to drive the roller gear 22 to rotate around the friction shaft 21, the roller gear 22 rotates to drive the cutting knife 12 to rotate, meanwhile, the roller gear 22 rotates to drive the friction wheel 23 to rotate, the friction wheel 23 and the friction shaft 21 drive the friction wheel 23 to rotate through friction fit, the friction wheel 23 rotates to drive the belt wheel shaft 24 to rotate, the belt wheel shaft 24 rotates to drive the friction belt wheel 30 to rotate, the friction belt wheel 30 rotates to drive the forward and reverse driving wheel 11 to rotate, the forward and reverse driving shaft 10 rotates to drive the forward and reverse helical gear 25 to rotate, and the forward and reverse helical gear 25 idles;

when the roller gear 22 rotates to drive the cutter 12 to deflect backwards, the balance cavity 59 deflects backwards, the balance block 58 slides backwards under the action of gravity against the pushing force of the balance spring 57 away from the friction shaft 21 side, the balance block 58 slides backwards to enable the reverse rotation pull rope 56 to be in a relaxed state, the forward rotation pull rope 55 is in a tensioned state, so that the repulsive magnet 52 slides upwards under the action of the pulling force of the forward rotation pull rope 55 against the pushing force of the repulsive spring 51, the repulsive magnet 52 slides upwards to drive the magnet connecting block 53 to slide upwards, the magnet connecting block 53 slides upwards to drive the attractive magnet 54 to slide upwards to correspond to the movable magnet block 48, the attractive magnet 54 attracts the movable magnet block 48 to slide towards the friction shaft 21 side, the movable magnet block 48 slides towards the friction shaft 21 side to drive the movable gear shaft 46 to slide towards the friction shaft 21 side against the pulling force of the spline spring 43, the moving gear shaft 46 slides in the direction close to the friction shaft 21 to drive the forward helical gear 45 and the reverse helical gear 28 to slide in the direction close to the friction shaft 21, the forward helical gear 45 slides in the direction close to the friction shaft 21 to be meshed with the forward and reverse helical gear 25, at the same time, the forward and reverse helical gear 25 rotates to drive the forward helical gear 45 to rotate, the forward helical gear 45 rotates to drive the moving gear shaft 46 to rotate in the forward direction, the forward rotation of the moving gear shaft 46 drives the spline shaft 39 to rotate in the forward direction through spline fit, the spline shaft 39 rotates to drive the forward and reverse output wheel 38 to rotate in the forward direction, the forward and reverse output wheel 38 rotates to mesh with the steering helical gear 41 to rotate in the forward direction, the forward rotation of the steering helical gear 41 drives the helical gear fixed shaft 40 to rotate in the forward direction, the helical gear fixed shaft 40 rotates in the forward direction to drive the bevel, the stretching body 14 slides in the direction far away from the friction shaft 21 to drive the cutting knife 12 to slide in the direction far away from the friction shaft 21, so that fine adjustment of the cutting knife 12 is realized, and the cutting knife 12 can still process nicks with the same depth in the rotating process; when the cutting knife 12 rotates forwards, the cutting knife 12 slides to an outer limit position in the direction far away from the friction shaft 21, meanwhile, the adjusting motor 16 is started to drive the screw rod 15 to rotate, the screw rod 15 rotates to drive the transverse threaded body 35 to slide in the direction close to the friction shaft 21 through thread matching, the transverse threaded body 35 slides in the direction close to the friction shaft 21 to drive the threaded rod 31 to slide in the direction close to the friction shaft 21, the threaded rod 31 slides in the direction close to the friction shaft 21 to drive the adjusting wheel 33 to slide rightwards in the direction close to the friction shaft 21, so that the rotating speed of the adjusting wheel 33 is adjusted, the sliding distance of the cutting knife 12 is controlled, the scribing of a deeper layer is realized, the rolling gear 22 rotates for a circle, and the adjusting motor 16 controls the sliding distance of the cutting knife 12 to slide outwards, so that;

meanwhile, the counterbalance 58 slides to the limit position in the direction close to the friction shaft 21 against the thrust of the balance spring 57 close to the friction shaft 21 under the action of gravity, at this time, the reverse pull rope 56 is in a tensioned state, so that the attraction magnet 54 slides downward against the thrust of the attraction spring 47 under the action of the tension of the reverse pull rope 56, the attraction magnet 54 slides downward to drive the magnet connecting block 53 to slide downward, the magnet connecting block 53 slides downward to drive the repulsive magnet 52 to slide to correspond to the movable magnet block 48 against the downward sliding, the repulsive magnet 52 repels the movable magnet block 48 to slide in the direction far from the friction shaft 21, the movable magnet block 48 slides in the direction far from the friction shaft 21 to drive the movable gear shaft 46 to slide in the direction far from the friction shaft 21 against the thrust of the spline spring 43, the movable gear shaft 46 slides in the direction far from the friction shaft 21 to drive the forward bevel gear 45 and the reverse bevel gear 28 to, the reverse bevel gear 28 slides to the direction far away from the friction shaft 21 and is meshed with the forward and reverse bevel gear 25, at the moment, the forward and reverse bevel gear 25 rotates to drive the reverse bevel gear 28 to rotate, the reverse bevel gear 28 rotates to drive the movable gear shaft 46 to rotate reversely, the movable gear shaft 46 reversely drives the cutting knife 12 to slide to the direction far away from the friction shaft 21 and when the cutting knife 12 abuts against a gear blank, the length of the extension of the cutting knife 12 is just slightly larger than the length of the previous time, notches with the same depth can be processed in the rotating process, when the cutting knife 12 rotates to the right from the backward direction, the working process is the same as the working process of the forward rotation to the left from the 12, when the cutting knife 12 rotates to the forward from the right from the forward direction, the working process is the same.

When the gear scribing is finished, the driving motor 17 is closed, the driving shaft 20 is still, the roller gear 22 is still, the cutting knife 12 is still, the adjusting motor 16 is reversely rotated, the adjusting motor 16 reversely rotates to drive the screw rod 15 to reversely rotate, so that the adjusting wheel 33 is driven to slide to the direction far away from the friction shaft 21 side until the adjusting wheel is reset, when the adjusting wheel 33 is reset, the adjusting motor 16 is closed, the screw rod 15 is still, the adjusting wheel 33 is still, and the gear scribing is finished at one time.

The invention has the beneficial effects that: rotate through driving motor, utilize the deflection of balancing piece, the control regulating wheel is just reversing, realize the real-time flexible of cutting knife, thereby make the cutting knife once only process out the tooth trace of equal degree of depth, when reducing energy loss through increasing effective work part, the process time that has significantly reduced, avoid appearing machining error, the work efficiency is improved, utilize the slew velocity of adjusting motor control regulating wheel simultaneously, the extension length of control cutting knife, the realization progressively deepens the effect of tooth trace, great reduction because reciprocating motion causes the error, the work quality has been guaranteed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.