阅读说明：本技术 数控旋分刮齿机 (Numerical control rotary-dividing gear scraping machine ) 是由 不公告发明人 于 2018-09-17 设计创作，主要内容包括：本发明属于插齿机技术领域,特指一种数控插齿机,包括床身,所述床身的上表面并列设置的两个纵向滑轨上滑动设置有立柱底座,设置在立柱底座上的立柱上并列设置有两个竖向滑轨,竖向滑轨上滑动设置有溜板,旋转板可转动设置在溜,所述旋转板上沿竖向设置的滑槽上滑动设置有刀轴箱,刀具设置在刀轴箱的刀轴上,位于刀具下侧的床身上设有工件安装座,所述立柱底座、溜板、旋转板以及刀轴箱的动作均由数控系统控制；本发明具有的优点：大幅提高了齿轮加工效率的同时提升了齿轮加工精度。(The invention belongs to the technical field of gear shaping machines, and particularly relates to a numerical control gear shaping machine which comprises a machine body, wherein a stand column base is arranged on two longitudinal slide rails which are arranged on the upper surface of the machine body in parallel in a sliding manner, two vertical slide rails are arranged on a stand column arranged on the stand column base in parallel in a sliding manner, a slide carriage is arranged on the vertical slide rails in a sliding manner, a rotating plate is rotatably arranged on a slide, a cutter shaft box is arranged on the rotating plate in a sliding manner along a vertically arranged slide groove, a cutter is arranged on a cutter shaft of the cutter shaft box, a workpiece mounting seat is arranged on the machine body positioned on the lower side of the cutter, and the actions of the; the invention has the advantages that: the gear machining efficiency is greatly improved, and the gear machining precision is improved.)

1. Numerical control divides soon and scrapes tooth machine, including the lathe bed, its characterized in that: the upper surface of lathe bed slides on two vertical slide rails that set up side by side and is provided with the stand base, sets up and is provided with two vertical slide rails on the stand base side by side, and it is provided with the carriage apron to slide on the vertical slide rail, and the rotatable concrete structure that sets up on the carriage apron of rotor plate is: the rotary shaft that is equipped with on the carriage apron corresponds the cooperation with the bearing housing that is equipped with on the rotor plate and is connected, makes the rotor plate rotate round the rotary shaft through the sector gear of the pendulum angle gear box drive setting on the rotor plate that sets up on the carriage apron, the spout that sets up along vertical on the rotor plate slides and is provided with the axle box, and the cutter setting is equipped with the work piece mount pad on the arbor of axle box on the lathe bed that is located the cutter downside, the action of stand base, carriage apron, rotor plate and axle box is controlled by numerical control system.

2. The numerical control rotary-separating gear scraping machine according to claim 1, characterized in that: the stand upper end is equipped with and is provided with the chain on two sprocket supports respectively, and the one end of two chains all is connected with the carriage apron, the other end all is connected with the balancing weight, and balancing weight pulling chain makes the carriage apron have the power of upwards gliding along vertical slide rail, and the carriage apron glides downwards on vertical slide rail and is driven by servo motor.

3. The numerical control rotary-separating gear scraping machine according to claim 1, characterized in that: the swing angle gear box is driven by a swing angle motor, a speed reducer is connected between the swing angle motor and the swing angle gear box, one end of a main shaft of the speed reducer penetrates through the slide carriage to be connected with the swing angle gear box, and the other end of the main shaft of the speed reducer is connected with the swing angle motor and driven by the swing angle motor.

4. The numerical control rotary-separating gear scraping machine according to claim 1, characterized in that: the side surface of the rotating plate facing the slide carriage is provided with a fan-shaped groove, the side surface of the slide carriage corresponding to the rotating plate is provided with a plurality of locking screw rods matched and connected with the fan-shaped groove, and the rotating plate positioned on the back of the locking screw rods is provided with a locking oil cylinder.

5. The numerical control rotary-separating gear scraping machine according to claim 1, characterized in that: the stand base is slided at vertical slide rail by servo motor drive, and concrete structure is: all be provided with the bearing seat cover on two lead screw bases that set up on the lathe bed, ball screw's both ends set up respectively on two bearing seat covers that correspond, are provided with the screw seat on the stand base, ball screw runs through the screw seat and is connected with the screw seat cooperation, ball screw's one end is extended the bearing seat cover and is connected with servo motor outward, drive after the rotation of servo motor drive ball screw and set up ball screw and go up the screw seat and carry out longitudinal movement, the stand base that the longitudinal movement of screw seat drove slides along longitudinal slide rail.

6. The numerical control rotary-separating gear scraping machine according to claim 1, characterized in that: the tool shaft box slides along the sliding groove and is driven by a servo motor, and the specific connection structure is as follows: a bearing seat is arranged on a knife adjusting screw rod seat arranged on the rotating plate, a knife adjusting screw rod arranged vertically is arranged on the bearing seat, one end of the knife adjusting screw rod extends out of the bearing seat and is connected with a servo motor, the other end of the knife adjusting screw rod is connected with a screw rod seat arranged on the knife shaft box in a matching way, and the knife shaft box is driven to slide downwards along the sliding chute after the knife adjusting screw rod is driven to rotate by the servo motor; vertical spring rods are respectively arranged on two spring rod seats arranged at the upper end of the rotating plate, the two spring rods are connected with the cutter shaft box, springs are respectively arranged on the spring rods, and the springs are enabled to have upward tension after the cutter shaft box slides downwards.

7. The numerical control rotary-separating gear scraping machine according to claim 1, characterized in that: at least three locking oil cylinders are arranged on the rotating plate on the right side of the cutter shaft box, and the position of the cutter shaft box is fixed after the cutter shaft is well adjusted by the driving of the locking oil cylinders.

Technical Field

The invention belongs to the technical field of gear shaping machines, and particularly relates to a numerical control rotary-dividing gear scraping machine.

Background

Gear machining is well known to fall into two broad categories. The method comprises the steps of generating method processing (including hobbing, gear shaping and the like) and forming method processing (including gear milling, gear broaching and the like). These processes have been well developed and have gained wide acceptance in gear manufacturing related fields. With the development of the industries such as aviation, aerospace, automobiles, wind energy and the like, the defects of the processing methods begin to emerge. For example, the internal tooth processing of the gear sleeve of the planetary gear train of the automatic transmission of the automobile is limited by space, and the gear hobbing and gear milling methods are impossible; for reasons of compact structure, the internal teeth are often not through and have no tool withdrawal groove, so that the gear shaping and gear broaching methods cannot be processed; for the inner teeth which are axially communicated, a gear shaping method and a gear broaching method can be adopted, but the efficiency and the processing precision of the gear shaping method are not high, the precision of the gear broaching method is low, the cost is high, and particularly, the cost of the spiral broaching tool is high when the large-diameter spiral inner teeth are processed. Under the situation, the research on a new processing method and corresponding equipment is inevitable to meet the requirement of rapid development of national economy.

Disclosure of Invention

The invention aims to provide a high-speed, high-efficiency and high-precision numerical control rotary-dividing gear scraping machine.

The purpose of the invention is realized as follows:

numerical control divides soon and scrapes tooth machine, including the lathe bed, it is provided with the stand base to slide on two longitudinal slide rails that the upper surface of lathe bed set up side by side, sets up and is provided with two vertical slide rails on the stand base side by side, and the slip passes are provided with in the sliding on the vertical slide rail, and the rotatable concrete structure that sets up on the slip passes of rotor plate is: the rotary shaft that is equipped with on the carriage apron corresponds the cooperation with the bearing housing that is equipped with on the rotor plate and is connected, makes the rotor plate rotate round the rotary shaft through the sector gear of the pendulum angle gear box drive setting on the rotor plate that sets up on the carriage apron, the spout that sets up along vertical on the rotor plate slides and is provided with the axle box, and the cutter setting is equipped with the work piece mount pad on the arbor of axle box on the lathe bed that is located the cutter downside, the action of stand base, carriage apron, rotor plate and axle box is controlled by numerical control system.

In the scheme, the upper end of the upright post is provided with two chain wheel supports, the two chain wheel supports are respectively provided with chains, one ends of the two chains are respectively connected with the slide carriage, the other ends of the two chains are respectively connected with the balancing weight, the balancing weight pulls the chains to enable the slide carriage to have upward sliding force along the vertical slide rail, and the slide carriage slides downward on the vertical slide rail and is driven by the servo motor.

In the scheme, the swing angle gear box is driven by a swing angle motor, a speed reducer is connected between the swing angle motor and the swing angle gear box, one end of a main shaft of the speed reducer penetrates through the slide carriage to be connected with the swing angle gear box, and the other end of the main shaft is connected with the swing angle motor and driven by the swing angle motor.

In the scheme, the rotating plate is provided with a sector groove on one side surface facing the slide carriage, the slide carriage corresponding to the rotating plate is provided with a plurality of locking screw rods matched and connected with the sector groove on one side surface facing the rotating plate, and the rotating plate on the back of the locking screw rods is provided with a locking oil cylinder.

In the above scheme, the stand base is slided at vertical slide rail by the servo motor drive, and concrete structure is: all be provided with the bearing frame cover on two lead screw bases that set up on the lathe bed, ball screw's both ends set up respectively on two bearing frame covers that correspond, are provided with the screw seat on the stand base, ball screw runs through the screw seat and is connected with the screw seat cooperation, wherein the ball screw of one end extends the bearing frame cover and is connected with servo motor outward, drive the setting ball screw seat of going up through servo motor drive ball screw after rotating and carry out longitudinal movement, the stand base that the longitudinal movement of screw seat drove slides along longitudinal slide rail.

In the above scheme, the tool shaft box slides along the sliding groove and is driven by the servo motor, and the specific connection structure is as follows: a bearing seat is arranged on a knife adjusting screw rod seat arranged on the rotating plate, a knife adjusting screw rod arranged vertically is arranged on the bearing seat, one end of the knife adjusting screw rod extends out of the bearing seat and is connected with a servo motor, the other end of the knife adjusting screw rod is connected with a screw rod seat arranged on the knife shaft box in a matching way, and the knife shaft box is driven to slide downwards along the sliding chute after the knife adjusting screw rod is driven to rotate by the servo motor; vertical spring rods are respectively arranged on two spring rod seats arranged at the upper end of the rotating plate, the two spring rods are connected with the cutter shaft box, springs are respectively arranged on the spring rods, and the springs are enabled to have upward tension after the cutter shaft box slides downwards.

In the scheme, at least three locking oil cylinders are arranged on the rotating plate on the right side of the cutter shaft box, and the position of the cutter shaft box is fixed after the cutter shaft is well adjusted by driving of the locking oil cylinders.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

1. in the specific processing process of the numerical control rotary-dividing gear scraping machine adopted by the invention, the cutter is equivalent to a gear meshed with a workpiece, the axis of the workpiece mounting seat and the axis of the cutter main shaft are inclined at an angle, and the synchronous rotation of the workpiece and the cutter, the axial feeding of the cutter and the radial feeding of the cutter are controlled in a fully closed loop mode by adopting an angle encoder of Heidenhain through the Siemens numerical control electronic gear or multi-axis synchronization function. Therefore, on one hand, the required tooth surface shape can be processed, on the other hand, the rotary indexing is realized while the processing is carried out, and the processing efficiency is greatly improved. The numerical control lathe and the gear shaping machine tool have the technical advantages that a brand-new high-speed, high-efficiency and high-precision gear dry-type cutting mode is created, the machining process of the cylindrical gear is shortened, the machining efficiency of the gear is greatly improved, and the machining precision of the gear is improved.

2. The machine tool adopts the automatic chip removal device, the feeding and discharging mechanical arm and the conveying belt, improves the automation degree of the whole machine, and realizes full-automatic production.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a partial structural schematic diagram of the present invention.

Fig. 4 is a partial structural schematic diagram of the present invention.

Fig. 5 is a partial structural schematic diagram of the present invention.

Fig. 6 is a partial structural schematic diagram of the present invention.

Fig. 7 is a partial structural schematic diagram of the present invention.

The automatic tool setting machine comprises a machine body 1, a longitudinal slide rail 2, a stand column base 3, a stand column 4, a vertical slide rail 5, a slide carriage 6, a rotating plate 7, a rotating shaft 8, a bearing sleeve 9, a swing angle gear box 10, a sector gear 11, a sliding chute 12, a cutter shaft box 13, a cutter 14, a cutter shaft 16, a workpiece mounting seat 17, a chain wheel support 18, a chain wheel 19, a balancing weight 20, a servo motor 21, a swing angle motor 22, a sector groove 24, a locking screw 25, a screw rod base 26, a bearing seat sleeve 27, a ball screw rod 28, a screw seat 29, a cutter adjusting screw rod seat 30, a bearing seat 31, a cutter adjusting screw rod 32, a screw rod seat 33, a spring rod seat 34, a spring rod 35.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 7:

numerical control divides soon and scrapes tooth machine, including lathe bed 1, slide on two longitudinal slide rail 2 that the upper surface of lathe bed 1 set up side by side and be provided with stand base 3, be provided with two vertical slide rail 5 on the stand 4 of setting on stand base 3 side by side, slide on the vertical slide rail 5 and be provided with carriage apron 6, the rotatable concrete structure that sets up on carriage apron 6 of rotor plate 7 is: the rotating shaft 8 arranged on the slide carriage 6 is correspondingly matched and connected with the bearing sleeve 9 arranged on the rotating plate 7, the rotating plate 7 is driven to rotate around the rotating shaft 8 through a swing angle gear box 10 arranged on the slide carriage 6, a sector gear 11 arranged on the rotating plate 7 is driven, a cutter shaft box 13 is arranged on the rotating plate 7 in a sliding mode along a sliding groove 12 vertically arranged, a cutter 14 is arranged on a cutter shaft 16 of the cutter shaft box 13, a workpiece mounting seat 17 is arranged on a lathe bed 1 located on the lower side of the cutter 14, and the actions of the upright column base 3, the slide carriage 6, the rotating plate 7 and the cutter shaft box 13 are controlled by a numerical control system.

In the scheme, the two chain wheel supports 18 are arranged at the upper end of the upright post 4 and are respectively provided with the chain wheel 19, one end of each chain wheel 19 is connected with the slide carriage 6, the other end of each chain wheel is connected with the balancing weight 20, the balancing weight 20 pulls the chain wheel 19 to enable the slide carriage 6 to have upward sliding force along the vertical slide rail 5, and the slide carriage 6 slides downwards on the vertical slide rail 5 and is driven by the servo motor 21.

In the scheme, the swing angle gear box 10 is driven by a swing angle motor 22, a speed reducer 23 is connected between the swing angle motor 22 and the swing angle gear box 10, one end of a main shaft of the speed reducer 23 penetrates through the slide carriage 6 to be connected with the swing angle gear box 10, the other end of the main shaft is connected with the swing angle motor 22, and the main shaft is driven by the swing angle motor 22.

In the above scheme, a fan-shaped groove 24 is arranged on one side surface of the rotating plate 7 facing the slide carriage 6, a plurality of locking screws 25 matched and connected with the fan-shaped grooves 24 are arranged on one side surface of the slide carriage 6 facing the rotating plate 7 corresponding to the rotating plate 7, and a locking oil cylinder 37 is arranged on the rotating plate 7 positioned on the back surface of the locking screw 25.

In the above scheme, the column base 3 is driven by the servo motor 21 to slide on the longitudinal slide rail 2, and the specific structure is as follows: all be provided with bearing seat cover 27 on two lead screw bases 26 that set up on lathe bed 1, the both ends of ball screw 28 set up respectively on two bearing seat covers 27 that correspond, be provided with screw seat 29 on stand base 3, ball screw 28 runs through screw seat 29 and is connected with screw seat 29 cooperation, the ball screw 28 of one end wherein extends bearing seat cover 27 outside and is connected with servo motor 21, drive the ball screw 28 through servo motor 21 and rotate the back and drive and set up ball screw 28 and go up screw seat 29 and carry out longitudinal movement, stand base 3 that the longitudinal movement of screw seat 29 drove slides along longitudinal slide rail 2.

In the above solution, the arbor box 13 slides along the sliding slot 12 and is driven by the servo motor 21, and the specific connection structure is as follows: a bearing seat 31 is arranged on a knife adjusting screw rod seat 30 arranged on the rotating plate 7, a knife adjusting screw rod 32 arranged vertically is arranged on the bearing seat 31, one end of the knife adjusting screw rod 32 extends out of the bearing seat 31 and is connected with a servo motor 21, the other end of the knife adjusting screw rod is connected with a screw rod seat 33 arranged on the knife shaft box 13 in a matching way, and the knife shaft box 13 is driven to slide downwards along the sliding chute 12 after the knife adjusting screw rod 32 is driven to rotate by the servo motor 21; vertical spring rods 35 are respectively arranged on two spring rod seats 34 arranged at the upper end of the rotating plate 7, the two spring rods 35 are both connected with the cutter shaft box 13, springs 36 are respectively arranged on the spring rods 35, and the springs 36 have upward tension after the cutter shaft box 13 slides downwards.

In the above-described embodiment, at least three locking cylinders 37 are provided on the rotating plate 7 on the right side of the arbor case 13, and the position of the arbor case 13 is fixed after the arbor 14 is adjusted by driving the locking cylinders 37.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.