阅读说明：本技术 一种具有自动送料系统的自动滚齿机 (Automatic gear hobbing machine with automatic feeding system ) 是由 谢桂平 曹星星 方国锋 张瑞平 钱海 于 2019-09-11 设计创作，主要内容包括：一种具有自动送料系统的自动滚齿机,包括滚齿机系统和送料系统,所述滚齿机系统包括移动座组件、工件夹持组件、刀头组件；所述送料系统包括进料组件、输送组件、上下料组件。本发明提供了一种具有自动送料系统的自动滚齿机,工件能够自动输送、自动上下料,且加工过程中对工件的夹持牢固,设备稳定性高,加工精度高；工件夹持组件采用了独立的双转动结构,加工时夹持稳定性高,同时主夹座中的夹头锁紧装置结构新颖,集成在主转轴上,体积小,同轴度好,控制精度高。此外,本申请中,刀头组件中的各个运动结构的锁定功能好,锁定牢固,保证产品加工的精度高。(An automatic gear hobbing machine with an automatic feeding system comprises a gear hobbing machine system and a feeding system, wherein the gear hobbing machine system comprises a moving seat assembly, a workpiece clamping assembly and a cutter head assembly; the feeding system comprises a feeding assembly, a conveying assembly and a feeding and discharging assembly. The invention provides an automatic gear hobbing machine with an automatic feeding system, workpieces can be automatically conveyed and automatically fed and discharged, the workpieces are firmly clamped in the machining process, the equipment stability is high, and the machining precision is high; the workpiece clamping assembly adopts an independent double-rotation structure, the clamping stability is high during processing, and meanwhile, the chuck locking device in the main clamping seat is novel in structure, integrated on the main rotating shaft, small in size, good in coaxiality and high in control precision. In addition, in this application, each motion structure's among the tool bit subassembly locking function is good, and the locking is firm, guarantees that the precision of product processing is high.)

1. The utility model provides an automatic gear hobbing machine with autoloading system, includes gear hobbing machine system and feeding system, its characterized in that: the gear hobbing machine system comprises a moving seat assembly, a workpiece clamping assembly and a cutter head assembly; the feeding system comprises a feeding assembly, a conveying assembly and a feeding and discharging assembly; wherein:

the moving seat assembly (4) comprises a clamping assembly base (45) and a cutter head assembly base (46), and sliding rail systems are arranged on the clamping assembly base (45) and the cutter head assembly base (46); the workpiece clamping assembly is arranged on a clamping assembly base (45) and moves through a lead screw device; the cutter head component is arranged on the cutter head component base (46) and moves through the lead screw device; the screw device comprises a clamping component screw and a driving motor which are arranged in a clamping component base (45); the cutter head component comprises a cutter head component base (46) and a cutter head component screw driving motor (47);

in the moving seat assembly (4), the slide rail system comprises slide rail mounting positions (431) arranged on a clamping assembly base (45) and a cutter head assembly base (46), a moving seat slide rail (43) is arranged on the slide rail mounting positions (431), and the bottoms of the clamping assembly base (45) and the cutter head assembly base (46) are movably arranged on the moving seat slide rail (43) through slide rails;

in the moving seat assembly (4), the clamping assembly lead screw comprises a main clamping seat lead screw (411) and an auxiliary clamping seat lead screw (421); the main clamping seat lead screw (411) is driven by a main clamping seat lead screw motor (41), and the main clamping seat main body (12) is assembled on the main clamping seat lead screw (411) through a main threaded sleeve (412) to realize transmission; the auxiliary clamping seat screw rod (421) is driven by an auxiliary clamping seat screw rod motor (42), and the auxiliary clamping seat main body (22) is assembled on the auxiliary clamping seat screw rod (421) through an auxiliary threaded sleeve (422) to realize power transmission;

the workpiece clamping assembly comprises a main clamping seat (1) and an auxiliary clamping seat (2) which are oppositely arranged, the main clamping seat (1) comprises a main clamping seat motor (11) and a main clamping seat main body (12), a main rotating shaft (15) rotating along with a motor shaft is arranged in the main clamping seat main body (12), and a clamping piece for clamping a workpiece is arranged at the outer end of the main rotating shaft (15); the auxiliary clamping seat (2) comprises an auxiliary clamping seat motor (21) and an auxiliary clamping seat main body (22), an auxiliary rotating shaft (25) rotating along with a motor shaft is arranged in the auxiliary clamping seat main body (22), and a propping piece for propping a workpiece is arranged at the outer end of the auxiliary rotating shaft (25);

the cutter head component comprises a cutter head driving seat (5) and a cutter head lifting piece (3); the cutter head driving seat (5) comprises a cutter head driving main body (52), a cutter head driving rotating shaft (54) is arranged in the cutter head driving main body (52), the cutter head driving rotating shaft (54) is in transmission fit with a cutter head driving motor (51), the cutter head driving motor (51) drives the cutter head driving rotating shaft (54) to rotate, and a cutter head lifting piece (3) is fixed on the outer side of the cutter head driving rotating shaft (54); the tool bit lifting piece (3) comprises a tool bit lifting main body (37), a lifting device is arranged on the tool bit lifting main body (37), the lifting device drives the tool bit pair to lift, the tool bit pair comprises a lifting plate (36), a tool bit control piece is fixed on the lifting plate (36), and a tool bit (35) is arranged on the tool bit control piece; a slide rail system is arranged between the lifting plate (36) and the cutter head lifting main body (37);

the feeding assembly comprises a feeding frame (63) and a discharging pushing piece (621), and the discharging pushing piece (621) pushes workpieces in a discharging port of the feeding frame (63) to the conveying assembly one by one;

the conveying assembly is used for moving the workpiece and/or is used for the workpiece to pass through; the conveying assembly comprises a first conveying section (61) arranged between the feeding assembly and the feeding and discharging assembly and a second conveying section (71) arranged behind the feeding and discharging assembly; the workpieces in the first conveying section (61) move forwards by the thrust of the discharging pushing piece (621), and a cover plate covers the first conveying section (61); the second conveying section (71) comprises a conveying belt and a conveying motor, and the conveying motor drives the conveying belt to convey circularly;

the feeding and discharging assembly comprises a feeding assembly, a discharging assembly and a pushing assembly; the feeding assembly comprises a movable feeding bracket (751), a workpiece placing position (755) is arranged on the feeding bracket (751), and the workpiece on the workpiece placing position (755) is sent to a machining position when the feeding bracket (751) moves; the blanking assembly comprises a movable receiving hopper (761), and the receiving hopper (761) receives the processed workpiece when moving to the position below the processing station; the pushing piece comprises a telescopic pushing rod (721), and the pushing rod (721) is used for pushing the workpieces in the receiving hopper (761) to the conveying assembly.

2. The automatic gear hobbing machine with the automatic feeding system according to claim 1, wherein in the main chuck base (1), the clamping member comprises a chuck base (152) arranged at the outer end of the main rotating shaft (15) and a chuck (151) arranged on the chuck base (152), the chuck (151) is connected with a chuck locking device, and the chuck locking device enables the chuck (151) to extend and retract so as to clamp and release the chuck (151).

3. The automatic gear hobbing machine with automatic feeding system according to claim 2, wherein in the main cartridge (1), the cartridge locking device comprises a pulling member (17) connected to the end of the cartridge (151), the pulling member (17) is disposed in the hollow cavity of the main rotating shaft (15); an oil cavity (192) is formed in the main holder main body (12), the main rotating shaft (15) penetrates through the oil cavity (192), a piston (19) is arranged in the oil cavity (192), and the piston (19) can reciprocate in the oil cavity (192) under the action of hydraulic oil; when the piston (19) moves, the traction piece (17) is driven to move.

4. The automatic gear hobbing machine with the automatic feeding system according to claim 3, wherein in the main clamping seat (1), one end of the traction piece (17) is connected to the traction seat (18), the traction seat (18) is provided with a traction column (191) extending out of the main rotating shaft (15), and the length of a rotating shaft side hole (159) extending out of the traction column (191) on the main rotating shaft (15) is more than or equal to the reciprocating movement distance of the piston (19); the outer end of the traction column (191) is fixed on the traction column mounting seat (194); the piston (19) is sleeved on the main rotating shaft (15), an assembly cavity is formed in one side, facing the main rotating shaft (15), of the piston (19), and the traction column mounting seat (194) is arranged in the assembly cavity.

5. The automatic gear hobbing machine with automatic feeding system according to claim 1, wherein in the bit driving seat (5), the bit driving body (52) is movably provided on the bit assembly base (46); a rotating shaft of the cutter head driving motor (51) drives a transmission gear (512) to rotate, a rack (542) is arranged on the periphery of the cutter head driving rotating shaft (54), and the transmission gear (512) is in meshing transmission with the rack (542); a movable lock ring (551) is arranged in the cutter head driving body (52), and one side of the lock ring (551) can move to the other side after receiving oil pressure; the lock ring (551) abuts against a step surface (541) of the cutter head driving rotating shaft (54) after moving.

6. The automatic gear hobbing machine with automatic feeding system according to claim 1, wherein in the cutter head lifting member (3), the lifting device in the cutter head lifting body (37) is a screw device, the lifting screw (381) in the screw device is driven by a lifting motor (38), and the cutter head pair is fixed on the lifting screw (382) in the screw device.

7. The automatic gear hobbing machine with the automatic feeding system according to claim 1, wherein in the cutter head lifting piece (3), the slide rail system comprises a lifting slide rail (371) arranged on the cutter head lifting body (37) and a lifting slide block (361) arranged on the lifting plate (36), and the lifting slide block (361) is matched with the lifting slide rail (371) to slide; an oil inlet nozzle (366) is arranged on the lifting slide block (361), the oil inlet nozzle (366) is communicated with an oil cavity in the lifting slide block (361), a movable stop block is arranged in the oil cavity, and after oil enters the oil cavity, the stop block abuts against the lifting slide rail (371) to increase friction force.

8. The automatic gear hobbing machine with the automatic feeding system according to claim 1, wherein in the cutter head lifting member (3), the cutter head control member comprises a cutter head motor (31) and a cutter head control body (32), a cutter head (35) is fixed below the cutter head control body (32), the lower end of the cutter head (35) is arranged on a cutter head seat (34), and the cutter head seat (34) is arranged on a cutter head base (341); the tool bit base (341) is fixed on the lifting plate (36), a pressing block (342) with adjustable tightness is arranged on the tool bit base (341), the tool bit base (34) is pressed on the tool bit base (341) by the pressing block (342), and the pressing block (342) is in inclined contact with the tool bit base (34).

9. The automatic gear hobbing machine with automatic feeding system according to claim 1, wherein in the feeding assembly, the feeding frame (63) comprises a stacking area (631) and a blanking area (633), the stacking area (631) and the blanking area (633) are separated by a partition (632), and the workpieces in the blanking area (633) fall one by one; a feeding cylinder (64) is arranged at the lower part of the feeding frame (63), and when the telescopic shaft of the feeding cylinder (64) is ejected upwards, a workpiece is lifted from the stacking area (631) and falls into the blanking area (633); the discharging pushing piece (621) pushes the workpieces at the bottommost side in the blanking area (633) to the conveying component one by one; the discharging pushing piece (621) is fixed on the discharging cylinder (62).

10. The automatic gear hobbing machine with automatic feeding system of claim 1, wherein in the loading and unloading assembly, the loading bracket (751) is arranged on a loading plate (752), and the loading plate (752) is pushed by a loading cylinder (75); the feeding bracket (751) is rotatably arranged on the feeding plate (752), and a torsion spring is arranged between the feeding bracket (751) and the feeding plate (752); the material receiving hopper (761) is pushed by a material receiving cylinder (76), and the material receiving hopper (761) is arranged below the feeding bracket (751); the material pushing rod (721) is pushed by the material pushing cylinder (72), the material pushing rod (721) pushes a workpiece in the material receiving hopper (761) into the workpiece blanking frame (74), and a material outlet of the workpiece blanking frame (74) is formed above the conveying assembly.

Technical Field

The invention belongs to the technical field of gear hobbing machine equipment, and particularly relates to an automatic gear hobbing machine with an automatic feeding system.

Background

The hobbing machine is a machine tool used in the process of machining workpieces and gears, and can be used for machining straight teeth, helical teeth and cylindrical gears, worm gears, chain wheels and the like; the gear hobbing machine is widely applied to various machine manufacturing industries such as automobiles, tractors, machine tools, engineering machinery, mining machinery, metallurgical machinery, petroleum, instruments, aircraft spacecrafts and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the automatic gear hobbing machine with the automatic feeding system, the workpiece can be automatically conveyed and fed and discharged, the workpiece is firmly clamped in the machining process, the equipment stability is high, and the machining precision is high.

In order to solve the above technical problems, the present invention is solved by the following technical solutions.

An automatic gear hobbing machine with an automatic feeding system comprises a gear hobbing machine system and a feeding system, wherein the gear hobbing machine system comprises a moving seat assembly, a workpiece clamping assembly and a cutter head assembly; the feeding system comprises a feeding assembly, a conveying assembly and a feeding and discharging assembly; wherein: the movable seat assembly comprises a clamping assembly base and a cutter head assembly base, and sliding rail systems are arranged on the clamping assembly base and the cutter head assembly base; the workpiece clamping assembly is arranged on the clamping assembly base and moves through the screw rod device; the tool bit assembly is arranged on the tool bit assembly base and is moved through the lead screw device. In this structure, remove the seat subassembly and provide fine continuation to work piece centre gripping subassembly and tool bit subassembly on it, stability is good, and the during operation can not shake or rock. Meanwhile, the sliding rail system is matched with the screw rod device, so that the workpiece clamping assembly and the tool bit assembly can be moved smoothly and stably, the controllability is high, and the product machining precision is high.

The workpiece clamping assembly comprises a main clamping seat and an auxiliary clamping seat which are oppositely arranged, the main clamping seat comprises a main clamping seat motor and a main clamping seat main body, a main rotating shaft rotating along with a motor shaft is arranged in the main clamping seat main body, and a clamping piece for clamping a workpiece is arranged at the outer end of the main rotating shaft; the auxiliary clamping seat comprises an auxiliary clamping seat motor and an auxiliary clamping seat main body, an auxiliary rotating shaft rotating along with a motor shaft is arranged in the auxiliary clamping seat main body, and the outer end of the auxiliary rotating shaft is provided with a supporting piece used for supporting a workpiece. In the structure, the main clamping seat clamps one end of a workpiece through the clamping piece on the main clamping seat, and the auxiliary clamping seat abuts against the other end of the workpiece to stably clamp the workpiece. Simultaneously in this application, main pivot and auxiliary rotating shaft all have independent motor control to rotate, and two motors rotate in step when the work piece is processed, guarantee that the work piece rotates stable high accuracy. In many gear hobbing machines among the prior art, main pivot rotates and vice pivot does not initiatively rotate, only follows up, takes place the phenomenon of blocking easily, easily causes the work piece processing failure, eliminates this problem in this application.

The cutter head assembly comprises a cutter head driving seat and a cutter head lifting piece; the tool bit driving seat comprises a tool bit driving main body, a tool bit driving rotating shaft is arranged in the tool bit driving main body, the tool bit driving rotating shaft is in transmission fit with a tool bit driving motor, the tool bit driving motor drives the tool bit driving rotating shaft to rotate, and a tool bit lifting piece is fixed on the outer side of the tool bit driving rotating shaft; the tool bit lifting piece comprises a tool bit lifting main body, a lifting device is arranged on the tool bit lifting main body, the lifting device drives a tool bit pair to lift, the tool bit pair comprises a lifting plate, a tool bit control piece is fixed on the lifting plate, and a tool bit is arranged on the tool bit control piece; and a sliding rail system is arranged between the lifting plate and the tool bit lifting main body. In the structure, the cutter head driving seat can move back and forth, the cutter head drives the rotating shaft to move back and forth, and the cutter head in the cutter head lifting piece can move up and down, so that the cutter head has freedom of movement in multiple directions and high processing flexibility; and the sliding rail system ensures high precision during movement.

The feeding assembly comprises a feeding frame and a discharging pushing piece, and the discharging pushing piece pushes workpieces in a discharging port on the feeding frame to the conveying assembly one by one; the automation degree is high, the workpieces are pushed one by one and processed one by one, and the phenomenon of blocking and pausing cannot occur.

The conveying assembly is used for moving the workpiece and/or is used for the workpiece to pass through.

The feeding and discharging assembly comprises a feeding assembly, a discharging assembly and a pushing assembly; the feeding assembly comprises a movable feeding bracket, a workpiece placing position is arranged on the feeding bracket, and a workpiece on the workpiece placing position is sent to a machining position when the feeding bracket moves; the blanking assembly comprises a movable receiving hopper, and the receiving hopper receives a processed workpiece when moving to the position below the processing position; the pushing piece comprises a telescopic pushing rod, and the pushing rod is used for pushing the workpiece in the material receiving hopper to the conveying assembly. In this structure, go up unloading operation can be accomplished automatically, work piece processing is accomplished the back, the unloading subassembly begins the action earlier, connect the hopper to move to the processing position below, work piece centre gripping subassembly loosens the centre gripping to the work piece after that, make the work piece drop to connect in the hopper, unloading subassembly return after that, the ejector pin will connect the work piece in the hopper to push away to conveying component on, meanwhile, the material loading subassembly begins the action, the work piece that the material loading bracket removed on placing the position with the work piece is sent into the processing position, make the work piece fixed by work piece centre gripping subassembly, begin the gear hobbing operation, go on with this in turn.

In a preferred embodiment, in the moving seat assembly, the slide rail system comprises slide rail mounting positions arranged on the clamping assembly base and the tool bit assembly base, a moving seat slide rail is arranged on the slide rail mounting positions, the bottoms of the clamping assembly base and the tool bit assembly base are movably arranged on the moving seat slide rail through the slide rail, the whole structure is convenient to assemble, the precision and the directionality are high during moving, and the workpiece machining precision is guaranteed.

In a preferred embodiment, in the movable seat assembly, the screw device comprises a clamping assembly screw and a driving motor which are arranged in a clamping assembly base; the workpiece clamping device further comprises a tool bit assembly lead screw and a tool bit assembly lead screw driving motor which are arranged in the tool bit assembly base, and the lead screw device enables the workpiece clamping assembly and the tool bit assembly to be high in moving precision.

In a preferred embodiment, in the moving seat assembly, the clamping assembly lead screw comprises a main clamping seat lead screw and an auxiliary clamping seat lead screw; the main clamping seat screw rod is driven by a main clamping seat screw rod motor, and the main clamping seat main body is assembled on the main clamping seat screw rod through a main threaded sleeve to realize transmission; the auxiliary clamping seat screw rod is driven by an auxiliary clamping seat screw rod motor, and the auxiliary clamping seat main body is assembled on the auxiliary clamping seat screw rod through an auxiliary threaded sleeve to realize power transmission. In this structure, main holder and vice holder are controlled by independent screw device and lead screw motor respectively, can independently remove, and the creativity is strong, and the position control flexibility ratio is high.

In a preferred embodiment, in the main chuck seat, the clamping member includes a chuck seat disposed at an outer end of the main spindle and a chuck disposed on the chuck seat, the chuck is connected to a chuck locking device, and the chuck locking device enables the chuck to extend and contract, so as to clamp and loosen the chuck. In the structure, the chuck is preferably a jaw chuck, when the chuck moves towards the inside of the main rotating shaft, the chuck is clamped, and when the chuck moves towards the outside of the main rotating shaft, the chuck is loosened, so that the chuck can be used for loading and unloading.

In a preferred embodiment, in the main holder, the chuck locking device comprises a traction piece connected with the end of the chuck, and the traction piece is arranged in a hollow cavity of the main rotating shaft; an oil cavity is formed in the main clamping seat body, the main rotating shaft penetrates through the oil cavity, a piston is arranged in the oil cavity, and the piston can reciprocate in the oil cavity under the action of hydraulic oil; the piston moves to drive the traction piece to move. In the traditional gear hobbing machine, a chuck locking device is generally an external device, and has the disadvantages of complex structure, large volume, complicated transmission and easy failure. In this application, with chuck locking device integrated to main pivot in, small, the integrated level is high, and coaxial with main pivot, and the transmission makes things convenient for the precision high. And two oil ports are arranged on the outer wall of the oil cavity and are connected with a hydraulic oil system for supplying oil. The oil supply in the two oil ports respectively corresponds to the reciprocating movement of the piston: one oil port supplies oil, the other oil port discharges oil, the piston can move to one side, and the traction piece drives the chuck to move at the moment, so that the chuck is locked; after the oil ports for supplying and discharging oil are exchanged, the piston can move towards the other side, the chuck is driven to move reversely by the traction piece, the chuck is loosened, and the operation is convenient.

In a preferred embodiment, in the main clamping seat, one end of the traction piece is connected to the traction seat, the traction seat is provided with a traction column extending out of the main rotating shaft, and the length of a rotating shaft side hole extending out of the traction column on the main rotating shaft is greater than or equal to the reciprocating movement distance of the piston, so that the movement of the piston is not limited; the outer end of the traction column is fixed on the traction column mounting seat; the piston is sleeved on the main rotating shaft, an assembly cavity is formed in one side, facing the main rotating shaft, of the piston, and the traction column mounting seat is arranged in the assembly cavity. In the structure, the assembly is compact, the transmission is flexible, and the piston can drive the traction column mounting seat to move synchronously when moving leftwards and rightwards, so that the traction column, the traction seat and the traction piece are driven to move together.

In a preferred embodiment, in the main clamping seat, the traction piece, the traction seat, the chuck, the traction column and the traction column mounting seat all rotate synchronously along with the main rotating shaft, and a piston bearing is arranged between the traction column mounting seat and the side wall of the assembly cavity, so that the lubricating performance is good.

In a preferred embodiment, in the auxiliary clamping seat, the abutting piece comprises an abutting piece mounting seat arranged at the outer end of the auxiliary rotating shaft and an abutting rod arranged in the abutting piece mounting seat, and the outer end of the abutting rod extends out of the end part for abutting against the workpiece; and a supporting piece spring is arranged in the supporting piece mounting seat, one end of the supporting piece spring is abutted against the end part of the supporting rod, the other end of the supporting piece spring is abutted against a supporting piece nut, and the supporting piece nut can rotate to adjust the distance. In the structure, the abutting rod is limited and arranged in the abutting piece mounting seat and is not easy to separate, relative movement at a certain distance can be carried out, and the distance can be finely adjusted by rotating the abutting piece nut, so that the compressible quantity of the abutting piece spring is adjusted, and the pressure of the abutting rod on a workpiece is adjusted.

In a preferred embodiment, the bit drive body is movably mounted to the bit assembly base, such as by a lead screw device; the rotating shaft of the cutter head driving motor drives the transmission gear to rotate, the periphery of the cutter head driving rotating shaft is provided with a rack, and the transmission gear is meshed with the rack for transmission, so that the purpose of controlling the cutter head driving rotating shaft to rotate is achieved.

In a preferred embodiment, in the cutter head driving seat, a movable locking ring is arranged in the cutter head driving body, and one side of the locking ring can move to the other side after being subjected to oil pressure; the lock ring abuts against the step surface of the cutter head driving rotating shaft after moving. In the structure, an oil filling hole is formed in one side of the locking ring, after oil is supplied, the oil pressure enables the locking ring to move and then abut against the surface of the step, friction is increased, the purpose of locking the tool bit to drive the rotating shaft is achieved, slight deviation in the machining process of a workpiece is prevented, and the machining precision of the product is improved.

In a preferred embodiment, in the cutter head driving seat, one end of the cutter head driving body is used for assembling the cutter head lifting piece, the other end of the cutter head driving body is provided with an end cover, and the inner side of the end cover is provided with a disc spring and a thrust ring. In this structure, dish spring and thrust ring provide pressure and press the tool bit drive pivot to one side all the time, and the ascending migration in axial improves the product machining precision.

In a preferred embodiment, in the tool bit lifting/lowering member, the lifting/lowering device in the tool bit lifting/lowering body is a screw device, a lifting/lowering screw in the screw device is driven by a lifting/lowering motor, and the tool bit assembly is fixed to a lifting/lowering screw boss in the screw device, so that the control is facilitated and the accuracy of the lifting/lowering distance is high.

In a preferred embodiment, in the tool bit lifting piece, the slide rail system comprises a lifting slide rail arranged on the tool bit lifting main body and a lifting slide block arranged on the lifting plate, the lifting slide block and the lifting slide rail are matched to slide, so that the precision and the directionality during lifting movement are ensured, and the controllability is high.

In a preferred embodiment, in the tool bit lifting piece, the lifting slide block is provided with an oil inlet nozzle, the oil inlet nozzle is communicated with an oil cavity in the lifting slide block, a movable stop block is arranged in the oil cavity, and after oil enters the oil cavity, the stop block abuts against the lifting slide rail to increase friction force. In the structure, after the lifting is carried out to the required height, the oil inlet nozzle supplies oil to enable the stop block to be pressed on the lifting slide rail, so that the purpose of locking is achieved, the eccentric motion is prevented, and the product processing precision is improved.

In a preferred embodiment, in the tool bit lifting member, the tool bit control member includes a tool bit motor and a tool bit control main body, a tool bit is fixed below the tool bit control main body, the lower end of the tool bit is arranged on the tool bit seat, the tool bit seat is arranged on the tool bit base, and the tool bit base is preferably a base with a bearing arranged therein and is matched with the tool bit in the machining process.

In a preferred embodiment, in the cutter head lifting piece, the cutter head base is fixed on the lifting plate, a pressing block with adjustable tightness is arranged on the cutter head base, the pressing block presses the cutter head base on the cutter head base, and the pressing block is in inclined contact with the cutter head base. In the structure, after the pressing block is loosened, the up-down distance of the tool bit seat can be finely adjusted; the cutter head can be replaced after the pressing block is detached; when the tool bit works, the pressing block presses the tool bit seat tightly, so that vibration deflection is prevented, and the machining precision of a product is improved.

In a preferred embodiment, in the feeding assembly, the feeding frame comprises a stacking area and a blanking area, the stacking area and the blanking area are separated by a partition plate, and workpieces in the blanking area fall one by one; the lower part of the feeding frame is provided with a feeding cylinder, and when the telescopic shaft of the feeding cylinder is ejected upwards, a workpiece is lifted from the stacking area and falls into the blanking area. In this structure, the work piece of treating the processing piles up at the windrow district earlier, and a curb plate in windrow district is the swash plate, and big end up is down, can hold more work piece. In order to ensure that the workpieces enter the conveying assembly one by one without being clamped, the workpieces are lifted one by one from the stacking area and fall into the blanking area by the upward jacking action of the feeding air cylinder and then enter the conveying assembly.

In a preferred embodiment, in the feeding assembly, the discharging pushing piece pushes the workpieces at the lowest edge in the blanking area to the conveying assembly one by one; the discharging pushing piece is fixed on the discharging cylinder. The automatic material discharging device can be matched with a photoelectric switch or automatically perform material discharging operation through a program, and the workpieces are pushed to the conveying assembly one by one.

In a preferred embodiment, the conveying assembly comprises a first conveying section arranged between the feeding assembly and the feeding and discharging assembly and a second conveying section arranged behind the feeding and discharging assembly, and the first conveying section and the second conveying section are respectively used for conveying a workpiece to be processed and a processed workpiece.

In a preferred embodiment, in the conveying assembly, the workpieces in the first conveying section are moved forward by the thrust of the discharging pushing piece, and the first conveying section is covered with a cover plate, so that the workpieces in the conveying process cannot be stacked and tilted; the second conveying section comprises a conveying belt and a conveying motor, and the conveying motor drives the conveying belt to convey circularly.

In a preferred embodiment, in the loading and unloading assembly, the loading bracket is arranged on a loading plate, the loading plate is pushed by a loading cylinder, and automatic loading operation can be realized through a photoelectric switch and program control.

In a preferred embodiment, in the feeding and discharging assembly, the feeding bracket is rotatably arranged on the feeding plate, and a torsion spring is arranged between the feeding bracket and the feeding plate. In this structure, the work piece place is recessed structure, and the work piece can stably place wherein. After a workpiece on the workpiece placing position is clamped by the workpiece clamping assembly, the feeding bracket can rotate at a certain angle (overcoming the elasticity of the torsion spring) under the interference of the workpiece in the returning process, so that the returning of the feeding bracket can be smoothly carried out and the workpiece cannot be clamped. Simultaneously, the setting up of torsional spring makes loading bracket can keep the horizontality under normal condition, makes the work piece of work piece placement position can not drop.

In a preferred embodiment, in the feeding and discharging assembly, the material receiving hopper is pushed by a material receiving cylinder and is arranged below the feeding bracket for receiving a processed workpiece.

In a preferred embodiment, in the feeding and discharging assembly, the material pushing rod is pushed by a material pushing cylinder, the material pushing rod pushes a workpiece in the material receiving hopper to the workpiece blanking frame, and a discharge hole of the workpiece blanking frame is formed above the conveying assembly. In the structure, automatic material pushing operation is realized through a photoelectric switch and program control.

In a preferred embodiment, in the feeding and discharging assembly, the workpiece blanking frame comprises an inclined plate and a blanking cavity, and workpieces in the blanking cavity fall one by one. In this structure, being provided with of swash plate does benefit to the increase and receives the material region, makes the work piece can not drop, and the work piece in the blanking chamber falls the second one by one and carries to outside work piece and accomodate in the basket.

Compared with the prior art, the invention has the following beneficial effects: the automatic gear hobbing machine with the automatic feeding system is provided, workpieces can be automatically conveyed and automatically fed and discharged, the workpieces are firmly clamped in the machining process, the equipment stability is high, and the machining precision is high; the workpiece clamping assembly adopts an independent double-rotation structure, the clamping stability is high during processing, and meanwhile, the chuck locking device in the main clamping seat is novel in structure, integrated on the main rotating shaft, small in size, good in coaxiality and high in control precision. In addition, in this application, each motion structure's among the tool bit subassembly locking function is good, and the locking is firm, guarantees that the precision of product processing is high.

Drawings

Fig. 1 is a front view of a gear hobbing machine system in the present application.

Fig. 2 is a first perspective view of the gear hobbing machine system of the present application.

Fig. 3 is a second perspective view of the gear hobbing machine system of the present application.

Fig. 4 is a cross-sectional state view of the gear hobbing machine system in the present application.

Fig. 5 is a schematic cross-sectional view of a portion of the primary cartridge, a portion of the secondary cartridge, and a bit structure in the gear hobbing machine system of the present application.

Fig. 6 is a schematic cross-sectional view of a portion of a primary cartridge in the gear hobbing machine system of the present application.

Fig. 7 is a schematic cross-sectional view of a portion of a secondary cartridge in the gear hobbing machine system of the present application.

Fig. 8 is a perspective view of a main cartridge in the gear hobbing machine system of the present application.

Fig. 9 is a perspective view of a main cartridge with a housing omitted in the gear hobbing machine system of the present application.

Fig. 10 is a perspective view of a sub cartridge in the gear hobbing machine system of the present application.

Fig. 11 is a perspective view of a sub cartridge with a housing omitted in the gear hobbing machine system of the present application.

Fig. 12 is a perspective view of a partial structure of a moving bed assembly in the gear hobbing machine system of the present application.

Figure 13 is a first perspective view of a bit drive socket in the gear hobbing system of the present application.

Fig. 14 is a second perspective view of a bit drive socket in the gear hobbing machine system of the present application.

Fig. 15 is a perspective view of a bit drive housing with a housing omitted in the gear hobbing machine system of the present application.

Figure 16 is a cross-sectional view one of the bit drive sockets in the gear hobbing system of the present application.

Figure 17 is a second cross-sectional view of the bit drive socket in the gear hobbing system of the present application.

Fig. 18 is a perspective view of a bit lifter in the gear hobbing system of the present application.

Fig. 19 is a side view of a bit lifter in the gear hobbing system of the present application.

Fig. 20 is a perspective view of a lifter plate in the gear hobbing system of the present application.

Fig. 21 is a perspective view of a bit, a bit holder, and a bit base in the gear hobbing machine system of the present application.

Fig. 22 is a bottom view of the bit, bit holder, and bit base in the gear hobbing system of the present application.

FIG. 23 is a top view of the feeder system and a portion of the dolly assembly of the present application.

FIG. 24 is a first perspective view of the feeder system and a portion of the dolly assembly of the present application.

Fig. 25 is a second perspective view of the feeder system and a portion of the dolly assembly of the present application.

Fig. 26 is a front view of the feed system of the present application.

Fig. 27 is a first perspective view of a feed system of the present application.

Fig. 28 is a second perspective view of the feed system of the present application.

Fig. 29 is an enlarged view of the region a in fig. 27.

Fig. 30 is an enlarged view of a region B in fig. 28.

Fig. 31 is an enlarged view of the region C in fig. 28.

Fig. 32 is a perspective view of a loading tray in the feeding system of the present application.

Fig. 33 is a perspective view of a feed block in the feed system of the present application.

Fig. 34 is a perspective view of a workpiece drop frame in the feeding system of the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, are exemplary only for explaining the present invention, and are not construed as limiting the present invention.