CN113305368A - Chamfering and deburring device - Google Patents

Abstract

The invention relates to the technical field of numerical control gear hobbing machines, in particular to a chamfering and deburring device which comprises a base, a workpiece, a first linear sliding table and a hobbing cutter, wherein a workpiece clamp and a workpiece fixing assembly are arranged on the upper surface of the base, the upper surface of the first linear sliding table is connected with a sliding seat in a sliding manner, a supporting assembly is arranged on the upper surface of the sliding seat, the supporting assembly comprises a supporting seat, the bottom end of the supporting seat is fixedly connected with the sliding seat through a screw, one end, deviating from the sliding seat, of the supporting seat is rotatably connected with a second linear sliding table through a rotating shaft, one side, deviating from the supporting seat, of the second linear sliding table is movably connected with a first hydraulic cylinder and a connecting seat, and one end, deviating from the second linear sliding table, of the first hydraulic cylinder is rotatably connected with the upper surface of the sliding seat through a hinged shaft. The invention combines gear hobbing and gear shaving, so that the gear hobbing action and the gear shaving action are simultaneously carried out, and chamfering operation is directly carried out at the later stage of processing, thereby improving the processing efficiency.

Description

Chamfering and deburring device

Technical Field

The invention relates to the technical field of numerical control gear hobbing machines, in particular to a chamfering and deburring device.

Background

Worm and worm gear structures are commonly used to transfer motion and power between two interleaved shafts. The worm wheel and the worm are equivalent to a gear and a rack in the middle plane, and the worm is similar to a screw in shape.

The worm gear and worm structure is characterized by large transmission ratio, compactness compared with a staggered shaft helical gear mechanism, line contact between two meshed tooth surfaces of two wheels, greatly higher bearing capacity than the staggered shaft helical gear mechanism, self-locking property and wide application.

The combined turbine is one of the turbines, and is characterized in that the turbine and a shaft are integrally machined, or two or more than two turbines are integrally machined on the shaft, the machining of the structure is more complicated than the machining of the turbines independently, and the combined turbine has the advantages of reliable strength and high precision of the integrated structure, and a numerical control gear hobbing machine is required for machining the combined turbine.

When a combined turbine is machined by an existing numerical control gear hobbing machine, direct gear hobbing is performed, because gear hobbing cutting capacity is poor, teeth need to be rolled out slowly, efficiency is low, and after gear hobbing is finished, chamfering is needed at two ends, a gear shaving cutter is additionally arranged on the gear hobbing machine, half of tooth grooves at a cutting position can be cut firstly, gear hobbing is performed again, the machining efficiency is improved by the mode, but a gear shaving cutter head needs to be replaced firstly and then the gear hobbing cutter is replaced, operation is troublesome, or two stations are installed, one is responsible for gear shaving, one is responsible for gear hobbing, input cost is increased, gear hobbing and gear shaving can not be performed simultaneously, machining efficiency is affected, chamfering can not be performed on two ends of the teeth while gear hobbing is performed, and therefore, a chamfering and deburring device needs to be designed to solve the problems urgently.

Disclosure of Invention

The invention aims to provide a chamfering and deburring device to solve the problem that gear hobbing and gear shaving cannot be performed simultaneously in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a chamfering and deburring device comprises a base, a workpiece, a first linear sliding table and a hobbing cutter, wherein a workpiece clamp and a workpiece fixing assembly are arranged on the upper surface of the base, the upper surface of the first linear sliding table is connected with a sliding seat in a sliding manner, the upper surface of the sliding seat is provided with a supporting component, the supporting component comprises a supporting seat, the bottom end of the supporting seat is fixedly connected with the sliding seat through a screw, and one end of the supporting seat departing from the sliding seat is rotationally connected with a second linear sliding table through a rotating shaft, one side of the second linear sliding table departing from the supporting seat is movably connected with a first hydraulic oil cylinder and a connecting seat, and one end of the first hydraulic oil cylinder, which is far away from the second linear sliding table, is rotatably connected with the upper surface of the sliding seat through a hinge shaft, the output end of the first hydraulic oil cylinder is rotatably connected with the side face of the second linear sliding table through a hinge shaft, and a hobbing assembly is fixed on one side, away from the second linear sliding table, of the connecting seat.

Preferably, the workpiece fixture comprises a first movable seat, the bottom end of the first movable seat is movably connected with the base, a movable rod is rotatably connected to the upper surface of the first movable seat, and a fixture is fixed on the outer surface of the movable rod.

Preferably, the fixed subassembly of work piece includes first step motor, the bottom and the base of first step motor are connected fixedly, the top of first step motor is fixed with the second sliding seat through the shaft coupling, second sliding seat top sliding connection has the slider, the quantity of slider is three, and is three the slider is the equidistance annular and arranges, the top of slider is fixed with the clamp splice, the bottom of slider is rotated through the articulated shaft and is connected with first connecting rod.

Preferably, the end of the first connecting rod, which is away from the sliding block, is rotatably connected with the turntable through the hinge shaft, a turbine is fixed at the center of the lower surface of the turntable through a connecting shaft, a worm is meshed with the outer surface of the turbine, the rear end of the worm is rotatably connected with the second movable seat, and the front end of the worm is in threaded connection with the second movable seat.

Preferably, the inside of second straight line slip table is provided with the chain, the both ends of chain all are provided with the sprocket, the both sides of sprocket all are connected through the rotation of the inside of pivot with second straight line slip table, the external surface mounting of second straight line slip table has second step motor, the output and the sprocket linkage of second step motor, the connecting seat is fixed in on the chain.

Preferably, the hobbing assembly comprises a shell, a third stepping motor and a second hydraulic cylinder, the shell is fixed on the connecting seat, a driving shaft is rotatably connected inside the shell, a driven gear is fixed at the top end of the driving shaft, a driving gear is meshed with the outer surface of the driven gear and is arranged at the output end of the third stepping motor, and the third stepping motor is fixedly connected with the inner wall of the shell through a screw.

Preferably, the surface of drive shaft is close to driven gear's below and rotates through the bearing and be connected with the link, the one end of link is run through and is provided with the guide arm, the bottom cover that the surface of guide arm is close to the link is equipped with the spring, the both ends of spring offset with link and connecting pile respectively, the both ends of guide arm all are fixed with the connecting pile, the connecting pile is fixed with the inner wall connection of shell.

Preferably, the one end that the link deviates from the guide arm is fixed with the connecting cylinder, the inner chamber of connecting cylinder is circular, and the bottom of connecting cylinder inner chamber is flat, the inside swing joint of connecting cylinder has the cam, the both ends of cam all offset with the inner wall of connecting cylinder, the surface of cam rotates through the articulated shaft and is connected with the second connecting rod, one side of second connecting rod is provided with the second hydraulic cylinder, and the one end that the second connecting rod deviates from the cam rotates through the articulated shaft and is connected with the output of second hydraulic cylinder, the surface mounting of second hydraulic cylinder has the protecting crust, and the bottom of protecting crust is fixed with the interior wall connection of shell, the cam rotates through pivot and protecting crust to be connected, one side that the bottom of drive shaft is close to the protecting crust is provided with coupling assembling.

Preferably, coupling assembling includes the bearing frame, the bearing frame passes through the bolt and is connected fixedly with the shell, linear bearing has been cup jointed to the bottom of drive shaft, and linear bearing passes through the bearing and is connected with the bearing frame rotation, the drive shaft passes the center department of bearing frame, the bottom mounting of drive shaft has the hobbing cutter.

Compared with the prior art, the invention has the beneficial effects that: the combined turbine machining device of the numerical control gear hobbing machine combines gear hobbing with gear shaving, so that gear hobbing action and gear shaving action are carried out simultaneously, chamfering operation is directly carried out at the later stage of machining, and the machining efficiency is improved.

(1) The hobbing cutter is arranged on the driving shaft, the driving shaft is connected with the guide rod in a lifting mode through the connecting frame, the second hydraulic cylinder drives the cam to rotate circularly through the second connecting rod, the connecting cylinder can be pushed to move up and down, the driving shaft is driven to lift up and down, meanwhile, the third stepping motor drives the driven gear to rotate through the driving gear, the driving shaft drives the hobbing cutter to rotate while lifting up and down, the hobbing cutter is used for cutting up and down, a tooth socket can be rapidly formed, meanwhile, the tooth socket is machined through the rotation of the hobbing cutter, the hobbing action and the shaving action are conducted simultaneously, and machining efficiency is improved.

(2) Through adorning the hobbing subassembly on supporting component, second step motor drive sprocket rolls, can drive the connecting seat and go up and down, make the connecting seat drive the processing height of hobbing subassembly lift adjustment hobbing cutter, at the hobbing processing later stage, adjustment hobbing cutter height can carry out the finish machining to the tooth both ends, through reducing first step motor rotational speed, the rotational speed ratio between adjustment hobbing cutter and the work piece, make the hobbing cutter go up and down to carry out the chamfer to the tooth side, solve the problem that can't carry out the chamfer to the tooth both ends in the hobbing, further improve hobbing machining efficiency, first hydraulic cylinder push-and-pull second straight line slip table is rotatory on the supporting seat simultaneously, can also adjust the inclination of hobbing subassembly, thereby adjustment chamfer angle.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional elevation view of the structure of the present invention;

FIG. 3 is a schematic sectional view of a portion of the front view of the structure of the hobbing assembly of FIG. 2 according to the present invention;

FIG. 4 is a front cross-sectional view of the connecting assembly of FIG. 3 according to the present invention;

FIG. 5 is a schematic side view of the connector barrel of FIG. 3 according to the present invention;

FIG. 6 is a schematic, front elevational, cross-sectional view of a portion of the workpiece holding assembly and workpiece of FIG. 2 in accordance with the present invention;

fig. 7 is a schematic top view of the structure of the turntable and the first connecting rod of fig. 6 according to the present invention.

In the figure: 1. a base; 2. a workpiece holder; 21. a first movable seat; 22. a movable rod; 23. a clamp; 3. a workpiece fixing assembly; 31. a first stepper motor; 32. a second movable seat; 33. a slider; 34. a clamping block; 35. a turntable; 36. a first link; 37. a turbine; 38. a worm; 4. a workpiece; 5. a first linear sliding table; 6. a slide base; 7. a support assembly; 71. a supporting seat; 72. a second linear sliding table; 73. a second stepping motor; 74. a first hydraulic cylinder; 75. a sprocket; 76. a chain; 77. a connecting seat; 8. a hobbing assembly; 81. a housing; 82. a drive shaft; 83. a third step motor; 84. a driving gear; 85. a driven gear; 86. a connecting assembly; 861. a bearing seat; 862. a linear bearing; 87. a connecting frame; 88. a guide bar; 89. connecting piles; 810. a connecting cylinder; 811. a protective shell; 812. a second hydraulic cylinder; 813. a second link; 814. a cam; 815. a spring; 9. a hobbing cutter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown: the utility model provides a chamfer and burring device, includes base 1, work piece 4, first straight line slip table 5 and hobbing cutter 9, and base 1's upper surface is provided with work piece holder 2 and the fixed subassembly 3 of work piece, and the upper surface sliding connection of first straight line slip table 5 has slide 6, and the upper surface of slide 6 is provided with supporting component 7, and hobbing component 8 is used for driving slide 6 horizontal slip to drive supporting component 7 horizontal slip, slide 6 is the same with supporting component 7's theory of operation.

Supporting component 7 includes supporting seat 71, the bottom of supporting seat 71 is connected with slide 6 through the screw and is fixed, and the one end that supporting seat 71 deviates from slide 6 rotates through the pivot and is connected with second straight line slip table 72, the inside of second straight line slip table 72 is provided with chain 76, the both ends of chain 76 all are provided with sprocket 75, the both sides of sprocket 75 all are connected with the inside rotation of second straight line slip table 72 through the pivot, the external surface of second straight line slip table 72 is fixed with second step motor 73, the output and the sprocket 75 linkage of second step motor 73, connecting seat 77 is fixed in on chain 76, it is rotatory to drive sprocket 75 through second step motor 73, can drive chain 76 and roll, thereby drive connecting seat 77 goes up and down in second straight line slip table 72, one side swing joint that second straight line slip table 72 deviates from supporting seat 71 has first hydraulic cylinder 74 and connecting seat 77, and the one end that first linear slip table 74 deviates from second straight line slip table 72 rotates through the articulated shaft and is connected with the upper surface of slide 6 The side that first hydraulic cylinder 74's output passes through articulated shaft and second straight line slip table 72 rotates to be connected, one side that connecting seat 77 deviates from second straight line slip table 72 is fixed with hobbing subassembly 8, through connecting seat 77 lift adjustment in second straight line slip table 72, can move hobbing subassembly 8 lift adjustment hobbing cutter 9's machining height, at the hobbing processing later stage, adjustment hobbing cutter 9 height can carry out the finish machining to the tooth both ends, can push and pull second straight line slip table 72 through first hydraulic cylinder 74 is flexible, make second straight line slip table 72 rotatory on supporting seat 71, the inclination of adjustment second straight line slip table 72 and hobbing subassembly 8, thereby drive hobbing cutter 9 adjustment inclination, cooperation connecting seat 77 adjustment hobbing subassembly 8 height, improve hobbing cutter 9's processing flexibility.

Further, as shown in fig. 1, the work holder 2 comprises a first movable seat 21, the bottom end of the first movable seat 21 is movably connected with the base 1, the upper surface of the first movable seat 21 is rotatably connected with a movable rod 22, and a clamp 23 is fixed on the outer surface of the movable rod 22, the movable rod 22 can drive the clamp 23 to clamp the workpiece 4 through pneumatic rotation, the workpiece 4 is transferred, which is the prior art and not described herein, a servo motor is installed in the base 1, and can drive the first movable seat 21 to rotate, switch the positions of the left and right movable rods 22 on the first movable seat 21, drive the clamp 23 to clamp the workpiece 4 to switch positions, as shown in fig. 1, a gear hobbing processing station is arranged on the left side, an unloading and loading mechanical arm can be arranged on the right side of the workpiece clamp 2, so that loading can be automatically carried out, and the gear hobbing and gear shaving integrated processing structure of the gear hobbing assembly 8 is matched, so that the gear hobbing processing efficiency is further improved.

Further, as shown in fig. 2 and 6, the workpiece fixing assembly 3 includes a first stepping motor 31, a bottom end of the first stepping motor 31 is fixedly connected to the base 1, a top end of the first stepping motor 31 is fixedly connected to a second movable seat 32 through a coupling, a top of the second movable seat 32 is slidably connected to three sliding blocks 33, the three sliding blocks 33 are arranged in an equidistant annular shape, a clamping block 34 is fixed to a top end of the sliding block 33, a bottom end of the sliding block 33 is rotatably connected to a first connecting rod 36 through a hinge shaft, one end of the first connecting rod 36, which is far away from the sliding block 33, is rotatably connected to a rotary table 35 through the hinge shaft, a worm wheel 37 is fixed to a center of a lower surface of the rotary table 35 through the connection shaft, a worm 38 is engaged with an outer surface of the worm wheel 37, a rear end of the worm 38 is rotatably connected to the second movable seat 32, and a front end of the worm 38 is connected to the second movable seat 32 through a thread, as shown in fig. 1, the front end of the worm 38 penetrates through the surface of the second movable seat 32 and is in a cross key shape, so as to facilitate external manual rotation, the worm 38 is rotated to drive the worm wheel 37 to rotate, the rotary disc 35 pulls or pushes the sliding block 33 to fold through the first connecting rod 36, and the clamping block 34 is driven to fold to adjust the clamping size of the workpiece 4.

Further, as shown in fig. 2-3, the hobbing assembly 8 includes a housing 81, a third stepping motor 83 and a second hydraulic cylinder 812, the housing 81 is fixed on the connecting base 77, the driving shaft 82 is rotatably connected inside the housing 81, a driven gear 85 is fixed at the top end of the driving shaft 82, a driving gear 84 is engaged with the outer surface of the driven gear 85, the driving gear 84 is installed at the output end of the third stepping motor 83, the third stepping motor 83 is fixedly connected with the inner wall of the housing 81 through a screw, and the third stepping motor 83 drives the driven gear 85 to rotate through the driving gear 84, so as to drive the driving shaft 82 to rotate, so that the driving shaft 82 drives the hobbing cutter 9 to rotate to perform hobbing.

Further, as shown in fig. 2-3, a connecting frame 87 is rotatably connected to a lower portion of the outer surface of the driving shaft 82, which is close to the driven gear 85, through a bearing, one end of the connecting frame 87 is provided with a guide rod 88 in a penetrating manner, a spring 815 is sleeved on a bottom end of the outer surface of the guide rod 88, which is close to the connecting frame 87, two ends of the spring 815 respectively abut against the connecting frame 87 and a connecting pile 89, two ends of the guide rod 88 are both fixed with the connecting pile 89, the connecting pile 89 is fixedly connected to an inner wall of the housing 81, the connecting pile 89 can support the guide rod 88, the driving shaft 82 can rotate in the connecting frame 87, and the connecting frame 87 can drive the driving shaft 82 to ascend and descend, so that a condition is provided for the driving shaft 82 to rotate and ascend and descend.

Further, as shown in fig. 2, 3 and 5, a connecting cylinder 810 is fixed at one end of the connecting frame 87 away from the guide rod 88, the inner cavity of the connecting cylinder 810 is circular, the bottom of the inner cavity of the connecting cylinder 810 is flat, a cam 814 is movably connected inside the connecting cylinder 810, both ends of the cam 814 are abutted against the inner wall of the connecting cylinder 810, so that when the cam 814 rotates to the lower half cavity of the connecting cylinder 810, as the lower half cavity of the connecting cylinder 810 is reduced, the cam 814 can push the connecting cylinder 810 to descend so as to drive the connecting frame 87 to descend, the outer surface of the cam 814 is rotatably connected with a second connecting rod 813 through a hinge shaft, one end of the second connecting rod 813 away from the cam 814 is rotatably connected with the output end of the second hydraulic cylinder 812 through the hinge shaft, a protective shell 811 is fixed on the outer surface of the second hydraulic cylinder 812, the bottom end of the protective shell 811 is fixedly connected with the inner wall of the housing 81, the cam 814 is rotatably connected with the protective shell 811 through a rotating shaft, the connecting component 86 is arranged on one side, close to the protective shell 811, of the bottom of the driving shaft 82, the second connecting rod 813 is pushed through the second hydraulic oil cylinder 812, the cam 814 can be driven to rotate in the protective shell 811, the cam 814 can push the connecting cylinder 810 to repeatedly lift, the connecting cylinder 810 can drive the driving shaft 82 to repeatedly lift through the connecting frame 87, the driving shaft 82 can drive the hobbing cutter 9 to rotate to perform hobbing, and meanwhile, the hobbing cutter 9 can be driven to lift to perform shaving.

Further, as shown in fig. 2 and 4, the connecting assembly 86 includes a bearing seat 861, the bearing seat 861 is fixedly connected with the housing 81 through a bolt, a linear bearing 862 is sleeved at the bottom of the driving shaft 82, the linear bearing 862 is rotatably connected with the bearing seat 861 through a bearing, the driving shaft 82 penetrates through the center of the bearing seat 861, a hobbing cutter 9 is fixed at the bottom end of the driving shaft 82, the driving shaft 82 can lift in the linear bearing 862, meanwhile, the linear bearing 862 can be rotatably connected with the bearing seat 861 through a bearing, so that the driving shaft 82 can stably rotate in the bearing seat 861 through the bearing while lifting, and the machining precision is improved.

The working principle is as follows: when the numerical control gear hobbing machine is used, the combined turbine machining device of the numerical control gear hobbing machine is in a power-on state through an external power supply, the movable rod 22 rotates to drive the clamp 23 to clamp the workpiece 4, the workpiece 4 is transferred, the servo motor is arranged in the base 1 and can drive the first movable seat 21 to rotate, the positions of the left movable rod 22 and the right movable rod 22 on the first movable seat 21 are switched, the clamp 23 is driven to clamp the workpiece 4, the switching position of the workpiece 4 is switched, the prior art is adopted, the workpiece 4 is transferred to the upper part of the workpiece fixing component 3 without being described, then the workpiece 4 is placed between the clamping blocks 34 through a mechanical arm or manually, the clamping blocks 34 are clamped, the worm 38 is rotated to drive the turbine 37, the rotary disc 35 pulls or pushes the sliding block 33 to be folded through the first connecting rod 36, and the clamping blocks 34 are driven to fold and adjust the clamping size of the workpiece 4.

After the workpiece 4 is fixed, the clamp 23 is opened to release the clamping of the workpiece 4, the second movable seat 32 is driven to rotate by the first stepping motor 31, the workpiece 4 can be driven to rotate, the slide seat 6 is driven to move towards the base 1 by the first linear sliding table 5, the hobbing cutter 9 is driven to move towards the workpiece 4, the chain 76 can be driven to roll by the chain wheel 75 driven to rotate by the second stepping motor 73, the connecting seat 77 is driven to lift in the second linear sliding table 72, the height of the hobbing assembly 8 is adjusted, the second linear sliding table 72 can be pushed and pulled by the lifting of the first hydraulic oil cylinder 74, the second linear sliding table 72 is driven to rotate on the supporting seat 71, the inclination angles of the second linear sliding table 72 and the hobbing assembly 8 are adjusted, the hobbing cutter 9 is driven to adjust the inclination angle, and the height angle of the hobbing cutter 9 is adjusted.

Then, the third stepping motor 83 drives the driven gear 85 to rotate through the driving gear 84, and can drive the driving shaft 82 to rotate, so as to drive the hobbing cutter 9 to rotate for hobbing, meanwhile, the second connecting rod 813 is pushed through the second hydraulic oil cylinder 812, the cam 814 can be driven to rotate in the protective shell 811, and because the lower half cavity of the connecting cylinder 810 becomes small, when the cam 814 rotates to the lower half cavity of the connecting cylinder 810, the cam 814 can push the connecting cylinder 810 to descend, so as to drive the connecting frame 87 to descend, so that the connecting frame 87 drives the driving shaft 82 to ascend and descend, so as to drive the hobbing cutter 9 to ascend and descend for shaving, so that the hobbing action and the shaving action are performed simultaneously.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a chamfering and burring device, includes base (1), work piece (4), first straight line slip table (5) and hobbing cutter (9), its characterized in that: the upper surface of the base (1) is provided with a workpiece fixture (2) and a workpiece fixing component (3), the upper surface of the first linear sliding table (5) is connected with a sliding seat (6) in a sliding manner, the upper surface of the sliding seat (6) is provided with a supporting component (7), the supporting component (7) comprises a supporting seat (71), the bottom end of the supporting seat (71) is fixedly connected with the sliding seat (6) through screws, one end, deviating from the sliding seat (6), of the supporting seat (71) is rotatably connected with a second linear sliding table (72) through a rotating shaft, one side, deviating from the supporting seat (71), of the second linear sliding table (72) is movably connected with a first hydraulic oil cylinder (74) and a connecting seat (77), one end, deviating from the second linear sliding table (72), of the first hydraulic oil cylinder (74) is rotatably connected with the upper surface of the hydraulic oil cylinder through a hinged shaft, the output end of the first hydraulic oil cylinder (74) is rotatably connected with the side surface of the second linear sliding table (72) through a hinged shaft, one side of the connecting seat (77) departing from the second linear sliding table (72) is fixed with a hobbing assembly (8).

2. The chamfering and deburring apparatus as claimed in claim 1, wherein: workpiece holder (2) include first movable seat (21), the bottom and base (1) swing joint of first movable seat (21), the upper surface of first movable seat (21) rotates and is connected with movable rod (22), and the outward appearance of movable rod (22) is fixed with anchor clamps (23).

3. The chamfering and deburring apparatus as claimed in claim 1, wherein: the fixed subassembly of work piece (3) is including first step motor (31), the bottom and base (1) of first step motor (31) are connected fixedly, the top of first step motor (31) is fixed with second sliding seat (32) through the shaft coupling, second sliding seat (32) top sliding connection has slider (33), the quantity of slider (33) is three, and is three slider (33) are the equidistance annular and arrange, the top of slider (33) is fixed with clamp splice (34), the bottom of slider (33) is rotated through the articulated shaft and is connected with first connecting rod (36).

4. A chamfering and deburring apparatus as claimed in claim 3, wherein: one end of the first connecting rod (36) departing from the sliding block (33) is connected with a rotary table (35) in a rotating mode through a hinge shaft, a worm wheel (37) is fixed at the center of the lower surface of the rotary table (35) through a connecting shaft, a worm (38) is meshed with the outer surface of the worm wheel (37), the rear end of the worm (38) is connected with the second movable seat (32) in a rotating mode, and the front end of the worm (38) is connected with the second movable seat (32) through threads.

5. The chamfering and deburring apparatus as claimed in claim 1, wherein: the inside of second straight line slip table (72) is provided with chain (76), the both ends of chain (76) all are provided with sprocket (75), the both sides of sprocket (75) all are connected through the inside rotation of pivot with second straight line slip table (72), the external fixed surface of second straight line slip table (72) has second step motor (73), the output and the sprocket (75) linkage of second step motor (73), connecting seat (77) are fixed in on chain (76).

6. The chamfering and deburring apparatus as claimed in claim 1, wherein: the hobbing assembly (8) comprises a shell (81) and a third stepping motor (83), the shell (81) is fixed on the connecting seat (77), a driving shaft (82) is connected to the inside of the shell (81) in a rotating mode, a driven gear (85) is fixed to the top end of the driving shaft (82), a driving gear (84) is meshed with the outer surface of the driven gear (85), the driving gear (84) is installed at the output end of the third stepping motor (83), and the third stepping motor (83) is fixedly connected with the inner wall of the shell (81) through screws.

7. The chamfering and deburring apparatus as claimed in claim 6, wherein: the utility model discloses a connecting structure, including drive shaft (82), driven gear (85), link (87), guide arm (88), spring (815), the both ends of spring (815) offset with link (87) and connecting pile (89) respectively, the both ends of guide arm (88) all are fixed with connecting pile (89), the inner wall connection of connecting pile (89) and shell (81) is fixed, the below that the surface of drive shaft (82) is close to driven gear (85) is rotated through the bearing and is connected with link (87), the one end of link (87) is run through and is provided with guide arm (88), the bottom cover that the surface of guide arm (88) is close to link (87) is equipped with spring (815).

8. The chamfering and deburring apparatus as claimed in claim 7, wherein: one end of the connecting frame (87) deviating from the guide rod (88) is fixed with a connecting cylinder (810), the inner cavity of the connecting cylinder (810) is circular, the bottom of the inner cavity of the connecting cylinder (810) is flat, a cam (814) is movably connected inside the connecting cylinder (810), two ends of the cam (814) are abutted against the inner wall of the connecting cylinder (810), the outer surface of the cam (814) is rotatably connected with a second connecting rod (813) through a hinge shaft, one side of the second connecting rod (813) is provided with a second hydraulic cylinder (812), one end of the second connecting rod (813) deviating from the cam (814) is rotatably connected with the output end of the second hydraulic cylinder (812) through the hinge shaft, the outer surface of the second hydraulic cylinder (812) is fixedly provided with a protective shell (811), the bottom end of the protective shell (811) is fixedly connected with the inner wall of the shell (81), and the cam (814) is rotatably connected with the protective shell (811) through a rotating shaft, and a connecting assembly (86) is arranged on one side, close to the protective shell (811), of the bottom of the driving shaft (82).

9. The chamfering and deburring apparatus as claimed in claim 8, wherein: coupling assembling (86) include bearing frame (861), bearing frame (861) are connected fixedly through bolt and shell (81), linear bearing (862) have been cup jointed to the bottom of drive shaft (82), and linear bearing (862) are connected with bearing frame (861) rotation through the bearing, drive shaft (82) pass the center department of bearing frame (861), the bottom mounting of drive shaft (82) has hobbing cutter (9).

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