CN115255481A - Workpiece edge cutting equipment - Google Patents

Abstract

The invention provides workpiece edge cutting equipment which comprises a lathe bed, a rotating mechanism, an outer cutter, an inner cutter and an executing mechanism, wherein the rotating mechanism, the outer cutter, the inner cutter and the executing mechanism are arranged on the lathe bed; the rotating mechanism is used for driving the workpiece to rotate; the inner cutter is arranged on the inner side of the edge of the workpiece, and the outer cutter is arranged on the outer side of the edge of the workpiece; the actuator is used for forcing the inner cutter and the outer cutter to be relatively close to each other so as to perform shearing treatment on the edge of the workpiece. The end cover type workpiece deburring device is scientific and reasonable in structural design, the cutting surface is smoother and burr-free after the deburring waste materials of the end cover type workpiece are removed, the cutting effect is high, the cutting quality is improved, the cost is low, and the efficiency is high.

Description

Workpiece edge cutting equipment

Technical Field

The invention relates to the technical field of automation, in particular to workpiece edge cutting equipment.

Background

At present, the process of similar end cover products in industrial production generally adopts a mode that a press machine uses a die for cold stamping forming, and then end face cutting scrap is carried out to complete the production and processing of the end cover products, but the processing is still limited to manual blanking, for example, cutting sheets can be used for cutting blanking manually, but the defects of manual operation are that the quality of manually processed products is not controllable, the time consumption is long, and once the products are produced in batch, a large amount of manpower and material resources are consumed;

in addition, although the mode of removing the end cover product flash waste by laser cutting with high processing precision can achieve higher precision, the mass production of products will occupy one or more laser cutting machines, and the equipment used in the process has the defect of high production cost.

Disclosure of Invention

The object of the present invention is to provide a workpiece edge cutting device to solve at least one of the above technical problems in the prior art.

In order to solve the above technical problem, the present invention provides a workpiece edge cutting apparatus, comprising: the lathe bed is provided with a rotating mechanism, an outer cutter, an inner cutter and an actuating mechanism;

the rotating mechanism is used for driving the workpiece to rotate;

the inner cutter is arranged on the inner side of the edge of the workpiece, and the outer cutter is arranged on the outer side of the edge of the workpiece;

the actuator is used for forcing the inner cutter and the outer cutter to be relatively close to each other so as to perform shearing treatment on the edge of the workpiece.

Further, the workpiece clamping device comprises a first die and a second die, wherein the workpiece is clamped between the first die and the second die; the rotating mechanism is connected with the first die, and drives the workpiece to rotate through the first die.

The first die and the second die have the dual functions of the clamp and the section die, the workpiece is forced to deform by the extrusion effect of the first die and the second die before the edge is cut, the design precision requirement is met, and after the workpiece is extruded in place, the workpiece is driven to rotate by the rotating mechanism, and then the edge of the workpiece is trimmed. Compared with the prior art, the two processes are combined together in the application, the production efficiency is greatly improved, meanwhile, installation errors caused by the multiple processes in the prior art are avoided, and the precision and the uniformity of products are improved.

The first die and the second die are arranged oppositely up and down and are respectively an upper die and a lower die or the lower die and the upper die.

The device further comprises a pressure applying mechanism, wherein the telescopic end of the pressure applying mechanism is connected with the second die and used for forcing the second die to be close to the first die so as to clamp the workpiece.

And furthermore, a disc seat is also arranged, one end of the disc seat is fixedly connected with the second die, and the other end of the disc seat can be relatively rotatably connected with the telescopic end of the pressure applying mechanism.

Wherein, the disk seat can be an independent part or can be integrally manufactured with the second mould.

Furthermore, the device also comprises an auxiliary pressing mechanism, wherein a plurality of auxiliary pressing mechanisms are uniformly distributed in the circumferential direction, and each auxiliary pressing mechanism comprises a guide rod, a spiral spring and a bull eye bearing (or named as a universal ball bearing); the guide rod is arranged on the bed body in a liftable mode, the top of the guide rod is provided with the bull eye bearing, the spiral spring is sleeved on the guide rod, and the spiral spring is compressed and tends to force the ball of the bull eye bearing to abut against the back of the second die or the disc seat. Namely, the auxiliary pressing mechanism abuts against the second mold through the bull eye bearing.

Further, an annular guide groove matched with balls of the bull's eye bearing is formed in the back of the second die or the disc seat.

For simplicity, the excircle of the rotation center of the workpiece is defined as the circumferential direction; the outer radial direction is simply referred to as the radial direction.

Wherein, the pressure applying mechanism is a cylinder, an oil cylinder or an electric telescopic mechanism. Optionally, the pressing mechanism and the auxiliary pressing mechanism are arranged on the bed body through a bracket.

The profiling mechanism is used for controlling the moving tracks of the outer cutter and the inner cutter when the outer cutter and the inner cutter move circumferentially relative to the workpiece;

the profiling mechanism comprises: profiling templates and a movable workbench;

the profiling template is rotatably arranged on the lathe bed and synchronously rotates with the workpiece;

the moving workbench is movably arranged on the bed body in the radial direction;

the inner cutter, the outer cutter and the actuating mechanism are arranged on the movable workbench;

the profiling template is provided with an annular limiting structure, the movable workbench is provided with a follow-up structure matched with the annular limiting structure, and the movable workbench, the inner cutter, the outer cutter and the executing mechanism are driven to move along the radial direction through the annular limiting structure and the follow-up structure when the profiling template rotates synchronously along with a workpiece.

The combination of the annular limiting structure and the follow-up structure is similar to a cam driving mechanism, the working face change track of the annular limiting structure is utilized to push the movable workbench to reciprocate in the linear direction through the follow-up structure, the annular limiting structure is various in form, such as a guide rail, a guide groove and the like, and the follow-up structure is a guide wheel, a sliding block and the like which are matched with the guide rail, the guide groove and the like.

Preferably, the annular limiting structure is an annular chute on the profiling template, and the follow-up structure is a roller arranged on the movable workbench; the roller can be inserted in the annular chute in a rolling manner along the annular chute; the annular sliding groove comprises an inner side working surface close to one side of a workpiece rotation center in the radial direction and an outer side working surface far away from one side of the workpiece rotation center in the radial direction, and the outer circle of the roller abuts against the inner side working surface or the outer side working surface.

Preferably, the annular limiting structure is an annular track on the profiling template; the annular track comprises an inner side working surface close to one side of the rotation center of the workpiece in the radial direction and an outer side working surface far away from one side of the rotation center of the workpiece in the radial direction;

the follow-up structure is an inner roller and an outer roller which are arranged on the movable workbench;

the outer circles of the inner roller and the outer roller are respectively abutted against the inner side working face and the outer side working face.

Interior gyro wheel and outer gyro wheel grasp circular orbit from both sides, and relative other direction spacing forms, the precision is higher.

Further, the outer rollers comprise a first outer roller and a second outer roller, and the inner roller is arranged between the first outer roller and the second outer roller in the tangential direction of the center line of the circular track.

Further, in the relative movement direction, the first outer roller is arranged at the front, the second outer roller is arranged at the rear, and the outer diameter of the first outer roller is 1.5-3 times of the outer diameter of the second outer roller.

Further, still include swivel work head, swivel work head rotationally sets up on the mobile workbench, interior cutter, outer cutter and actuating mechanism set up on the swivel work head.

Further, the device also comprises an inner feeding seat and an outer feeding seat; the inner feeding seat is arranged on the rotary worktable in a radially movable manner; the outer feeding seat is arranged on the inner feeding seat in a radially movable mode;

the inner cutter and the outer cutter are respectively arranged at the front ends of the inner feeding seat and the outer feeding seat;

the executing mechanism comprises an inner executing mechanism and an outer executing mechanism, and the inner executing mechanism and the outer executing mechanism are respectively connected with the inner feeding seat and the outer feeding seat and are used for respectively forcing the inner feeding seat and the outer feeding seat to move along the radial direction.

Further, the inner actuating mechanism and the outer actuating mechanism are screw rod transmission mechanisms; the screw transmission mechanism includes: the motor, the lead screw and the transmission nut;

the transmission nut is fixedly arranged on the inner feeding seat or the outer feeding seat;

one end of the screw rod is connected with the power output shaft of the motor, and the other end of the screw rod is arranged in the transmission nut in a rotating mode.

Further, the outer cutter is disc-shaped (similar to a milling cutter), and the outer cutter is rotatably arranged on the outer feeding seat;

and/or the inner cutter is disc-shaped (similar to a milling cutter), and the inner cutter is rotatably arranged on the inner feeding seat.

Specifically, the inner cutter and the outer cutter are rotatably arranged on the inner feeding seat and the outer feeding seat by adopting a bearing structure.

Further, a counter (such as a photoelectric counter) is also included for detecting and counting the rotation angle or the number of turns of the workpiece.

Further, the rotating mechanism comprises a motor and an intermediate transmission mechanism;

the first die and the profiling template are arranged on the lathe bed through a main shaft, and the motor is connected with the main shaft through an intermediate transmission mechanism and drives the first die, the workpiece and the profiling template to rotate through the main shaft.

The intermediate transmission mechanism is prior art, preferably a chain sprocket transmission pair, a gear transmission pair, etc.

The counter can be arranged on one side of the rotating mechanism, the rotating angle or the number of turns of the workpiece can be indirectly detected by detecting the rotating angle or the number of turns of the motor, or the counter is directly arranged opposite to the second die or the first die, and the rotating angle and the number of turns of the workpiece can be directly detected.

The counter is connected with the controller, and after the installation and the debugging are completed, the controller can know the processing progress of the workpiece through the feedback of the counter and further control the feeding degree of the inner cutter and the outer cutter through the actuating mechanism.

Furthermore, a bearing platform which synchronously rotates with the first die is arranged on the lathe bed; and supporting rollers are arranged on the inner feeding seat and between the inner cutter and the workpiece rotating center, and the outer circle of each supporting roller abuts against the bearing platform.

The supporting roller provides supporting force for the inner cutter, the rigidity of the inner cutter mounting structure is improved, shaking of the inner cutter during working is avoided, and machining precision is improved.

Further, the supporting roller is a bearing. The general bearing comprises an inner ring, an outer ring, balls and a ball retainer; wherein the excircle of the outer ring is abutted against the bearing platform.

Preferably, the bearing platform is fixedly sleeved on the main shaft, and more preferably, the bearing platform is arranged below the first die.

By adopting the technical scheme, the invention has the following beneficial effects:

the workpiece edge cutting equipment provided by the invention has the advantages that the structural design is scientific and reasonable, the cut surface is smoother and free of burrs after the deburring waste materials of the end cover type workpiece are removed, the cutting effect is high, the cutting quality is improved, the cost is low, and the efficiency is high.

Drawings

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

FIG. 1 is a front view of a workpiece edge cutting apparatus provided in accordance with an embodiment of the present invention;

FIG. 2 is a cross-sectional view AA of the workpiece edge cutting apparatus shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at D;

FIG. 4 is a schematic diagram of the operation of the profiling mechanism of the embodiment;

FIG. 5 is a schematic structural view of a pressing mechanism in the embodiment;

FIG. 6 is a cross-sectional view BB of FIG. 5;

FIG. 7 is a cross-sectional view CC of FIG. 5;

fig. 8 is a schematic structural view of the rotating mechanism.

Reference numerals:

1-external cutting tool; 2-inner cutter; 3-a workpiece; 10-a lathe bed; 12-a first mould; 13-a second mold; 14-a disc seat; 15-a guide sleeve; 16-a cushion cap; 20-a rotating mechanism; 21-a motor; 22-intermediate transmission mechanism; 25-a counter; 30-an actuator; 31-an internal actuator; 32-an outer actuator; 40-a pressure mechanism; 41-a base; 42-a guide post; 43-a guide sleeve; 44-a guide bar; 45-coil spring; 46-bulls eye bearing; 50-profiling a template; 51-an annular track; 52-inner rollers; 53-a first outer roller; 54-a second outer roller; 60-moving the working table; 61-a rotary table; 62-an inner feed seat; 63-an external feed seat; 64-support rollers.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to specific embodiments.

As shown in fig. 1-2, the present embodiment provides a workpiece edge cutting apparatus, which includes: the lathe bed 10, and a rotating mechanism 20, an outer cutter 1, an inner cutter 2 and an actuating mechanism 30 which are arranged on the lathe bed 10;

the rotating mechanism 20 is used for driving the workpiece 3 to rotate;

the inner cutter 2 is arranged on the inner side of the edge of the workpiece 3, and the outer cutter 1 is arranged on the outer side of the edge of the workpiece 3;

the actuator 30 is used for forcing the inner cutter 2 and the outer cutter 1 to relatively close to perform shearing processing on the edge of the workpiece 3.

More preferably, the present embodiment further includes a first die 12 and a second die 13, the workpiece 3 being clamped between the first die 12 and the second die 13; the rotating mechanism 20 is connected with the first die 12, and the workpiece 3 is driven to rotate by the first die 12.

The first die 12 and the second die 13 have double functions of a clamp and a section die, before the edge is cut, the workpiece 3 is forced to deform by using the extrusion function of the first die 12 and the second die 13, the design precision requirement is met, after the extrusion is in place, the workpiece 3 is driven to rotate by using the rotating mechanism 20, and then the edge of the workpiece 3 is trimmed. Compared with the prior art, the two processes are combined together in the application, the production efficiency is greatly improved, meanwhile, installation errors caused by the multiple processes in the prior art are avoided, and the precision and the uniformity of products are improved.

Wherein, the first die 12 and the second die 13 are arranged oppositely up and down, when the rotating mechanism 20 is arranged above the workpiece 3, the first die 12 is an upper die; in the present embodiment, the rotating mechanism 20 is disposed below the workpiece 3, the first die 12 is a lower die, and the second die 13 is an upper die.

The first die 12 and the second die 13 can be fastened by a common clamping member such as a bolt or a pressing plate to clamp and fix the workpiece 3, thereby preventing the workpiece 3 from moving during machining.

More preferably, as shown in fig. 5 and fig. 6, the present embodiment further includes a pressing mechanism 40 and a tray 14, the pressing mechanism 40 is an air cylinder or an oil cylinder, and a telescopic end of the pressing mechanism 40 is connected to the second mold 13 for forcing the second mold 13 to approach the first mold 12, so as to clamp the workpiece 3. Specifically, the telescopic end of the pressing mechanism 40 is connected with the second mold 13 through a guide mechanism, and the guide mechanism comprises a base 41, a guide sleeve 43 and a guide post rod 42; the pressing mechanism 40 is fixedly arranged at the top of the base 41, and the bottom of the base 41 is fixed on a cross beam of the bracket 11; the guide sleeve 43 is inserted into the mounting hole in the base 41, the guide post rod 42 is inserted into the guide sleeve 43, the telescopic end of the pressing mechanism 40 is fixedly connected with the top of the guide post rod 42, the lower end of the guide post rod 42 is connected with the tray seat 14 through a bearing structure 47 in a relatively rotatable manner, and the lower part of the tray seat 14 is fixedly connected with the second mold 13.

The seat 14 may be a separate component or may be integrally formed with the second mold 13.

On the basis of the above scheme, as shown in fig. 5 to 7, this embodiment optionally may further include an auxiliary pressing mechanism, where a plurality of auxiliary pressing mechanisms are uniformly arranged in the circumferential direction, and each auxiliary pressing mechanism includes a guide rod 44, a coil spring 45, and a bull's eye bearing 46 (or a universal ball bearing); the guide rod 44 is arranged on the bracket 11 in a lifting way through the guide sleeve 15, a bull eye bearing is arranged at the top of the guide rod 44, the spiral spring 45 is sleeved on the guide rod 44, the upper end of the spiral spring 45 abuts against the cross beam of the bracket 11, and the lower end of the spiral spring abuts against the bull eye bearing 46 at the lower end of the guide rod 44.

Being compressed tends to force the balls of the bull's eye bearing 46 against the back of the second die 13 or the disc seat 14. That is, the auxiliary pressing mechanism abuts against the second mold 13 through the bull's eye bearing 46. An annular guide groove matched with the balls of the bull's eye bearing 46 is arranged on the back of the second die 13 or the disk seat 14.

For the sake of convenience, the outer circle of the rotation center of the workpiece 3 is defined as the circumferential direction in the present application; the outer radial direction is simply referred to as the radial direction.

Wherein, the pressing mechanism 40 is a cylinder, an oil cylinder or an electric telescopic mechanism.

More preferably, the present embodiment further includes a profiling mechanism for controlling the moving track of the outer cutter 1 and the inner cutter 2 when moving circumferentially relative to the workpiece 3; referring to fig. 3-4, the profiling mechanism includes: a profiling template 50 and a moving table 60; the profiling template 50 is rotatably arranged on the lathe bed 10 and synchronously rotates with the workpiece 3; the movable table 60 is disposed on the bed 10 to be radially movable by a guide; the inner cutter 2, the outer cutter 1 and the actuator 30 are disposed on a movable table 60.

The profiling template 50 is provided with an annular limiting structure, the movable workbench 60 is provided with a follow-up structure matched with the annular limiting structure, and the movable workbench 60, the inner cutter 2, the outer cutter 1 and the executing mechanism 30 are driven to move along the radial direction by the annular limiting structure and the follow-up structure when the profiling template 50 rotates synchronously with the workpiece 3. Due to the arrangement of the profiling template 50, the machining precision and uniformity of the workpiece are greatly improved.

The combination of the annular limiting structure and the follow-up structure is similar to a cam driving mechanism, the movable workbench 60 is pushed to reciprocate in the linear direction by utilizing the change track of the working surface of the annular limiting structure through the follow-up structure, the annular limiting structure has various forms, such as a guide rail, a guide groove and the like, and the follow-up structure is a guide wheel, a sliding block and the like which are matched with the guide rail, the guide groove and the like.

Referring to fig. 4, in the present embodiment, the annular limiting structure is preferably an annular track 51 on the profiling template 50; the annular rail 51 includes an inner working surface on the side closer to the rotation center of the workpiece 3 in the radial direction and an outer working surface on the side farther from the rotation center of the workpiece 3 in the radial direction; the follow-up structure is an inner roller 52 and an outer roller which are arranged on the movable workbench 60; the outer circles of the inner roller 52 and the outer roller respectively abut against the inner working surface and the outer working surface of the circular track 51. The inner roller 52 and the outer roller clamp the annular track 51 from two sides, and compared with other guiding and limiting forms, the precision is higher.

More preferably, the outer rollers include a first outer roller 53 and a second outer roller 54, the first outer roller 53, the second outer roller 54 and the inner roller 52 are arranged in a triangle, and the inner roller 52 is disposed between the first outer roller 53 and the second outer roller 54 in a tangential direction of a center line of the endless track 51. And, in the relative moving direction, the first outer roller 53 is disposed at the front, and the second outer roller 54 is disposed at the rear, wherein more preferably, the outer diameter of the first outer roller 53 is 1.5 to 3 times the outer diameter of the second outer roller 54.

The triangular arrangement is beneficial to the follow-up mechanism to smoothly pass through the positions with overlarge shape change, such as the corners in the annular track 51, and the problems of jamming or non-ideal limiting effect are avoided.

In addition to the above technical solution, as shown in fig. 2, more preferably, the present embodiment further includes a rotating table 61, the rotating table 61 is rotatably disposed on the moving table 60, and the inner cutter 2, the outer cutter 1, the actuator 30, and the follower are disposed on the rotating table 61. Specifically, the first outer roller 53 and the second outer roller 54 of the follower mechanism are provided on the rotary table 61. And, further comprises an inner feeding seat 62 and an outer feeding seat 63; the inner feeding base 62 is radially movably disposed on the rotary table 61; the outer feeding seat 63 is arranged on the inner feeding seat 62 in a radially movable manner; the inner cutter 2 and the outer cutter 1 are respectively arranged at the front ends of the inner feeding seat 62 and the outer feeding seat 63.

The actuator 30 comprises an inner actuator 31 and an outer actuator 32, wherein the inner actuator 31 and the outer actuator 32 are respectively connected with the inner feeding seat 62 and the outer feeding seat 63 for respectively forcing the inner feeding seat 62 and the outer feeding seat 63 to move in a radial direction.

Wherein, the inner executing mechanism 31 and the outer executing mechanism 32 are screw transmission mechanisms; the screw drive mechanism includes: the device comprises a motor, a lead screw and a transmission nut; the transmission nut is fixedly arranged on the inner feeding seat 62 or the outer feeding seat 63; one end of the screw rod is connected with the power output shaft of the motor, and the other end of the screw rod is arranged in the transmission nut in a rotating mode.

The outer cutter 1 is disc-shaped (like a milling cutter), and the outer cutter 1 is rotatably arranged on the outer feeding seat 63; the inner cutter 2 is disc-shaped (like a milling cutter) and the inner cutter 2 is rotatably arranged on said inner feed socket 62. Specifically, the inner cutter 2 and the outer cutter 1 are rotatably provided on the inner feed holder 62 and the outer feed holder 63 using a bearing structure.

More preferably, the bed 10 is further provided with a bearing platform 16 which rotates synchronously with the first die 12; and supporting rollers 64 are arranged on the inner feeding seat 62 and between the inner cutter 2 and the rotation center of the workpiece 3, and the outer circle of each supporting roller 64 abuts against the bearing platform 16. The supporting roller 64 provides supporting force for the inner cutter 2, so that the rigidity of the mounting structure of the inner cutter 2 is improved, the shaking of the inner cutter 2 during working is avoided, and the processing precision is improved. Preferably, the backup roller 64 is a bearing. A general bearing includes an inner race, an outer race, balls, and a ball cage; wherein the outer circumference of the outer ring abuts against the bearing platform 16.

In order to facilitate control of the machining progress, the present embodiment further includes a counter 25 (e.g., a photoelectric counter) for detecting and counting the rotation angle or the number of turns of the workpiece 3.

Referring to fig. 8, the rotating mechanism 20 includes a motor 21 and an intermediate transmission mechanism 22; the first die 12, the bearing platform 16 and the profiling template 50 are arranged on the lathe bed 10 through a main shaft, and the motor 21 is connected with the main shaft through the intermediate transmission mechanism 22 and drives the first die 12, the workpiece 3, the bearing platform 16 and the profiling template 50 to rotate through the main shaft. A platform 16 is fixedly mounted on the spindle and below the first die 12.

The intermediate transmission 22 is conventional and preferably is a chain sprocket, gear, or the like.

The counter 25 may be disposed on one side of the rotating mechanism 20 to indirectly detect the rotation angle or the number of turns of the workpiece 3 by detecting the rotation angle or the number of turns of the motor 21, or the counter 25 may be disposed directly facing the second mold 13 or the first mold 12 to directly detect the rotation angle or the number of turns of the workpiece 3.

The counter 25 is connected with the controller, and after the installation and debugging are completed, the controller can know the processing progress of the workpiece 3 through the feedback of the counter 25 and further control the feeding degree of the inner cutter 2 and the outer cutter 1 through the actuating mechanism 30.

The workpiece edge cutting equipment provided by the invention has the advantages that the structural design is scientific and reasonable, the cut surface is smoother and burr-free after the deburring waste materials of the end cover type workpiece 3 are removed, the cutting effect is high, the cutting quality is improved, the cost is low, and the efficiency is high.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An apparatus for cutting the edge of a workpiece, comprising: the lathe bed is provided with a rotating mechanism, an outer cutter, an inner cutter and an executing mechanism;

the rotating mechanism is used for driving the workpiece to rotate;

the inner cutter is arranged on the inner side of the edge of the workpiece, and the outer cutter is arranged on the outer side of the edge of the workpiece;

the executing mechanism is used for forcing the inner cutter and the outer cutter to be relatively close to further carry out shearing processing on the edge of the workpiece.

2. The workpiece edge cutting apparatus of claim 1, further comprising a first die and a second die between which the workpiece is clamped; the rotating mechanism is connected with the first die, and drives the workpiece to rotate through the first die.

3. The workpiece edge cutting apparatus of claim 2 further comprising a pressing mechanism, a telescoping end of the pressing mechanism being coupled to the second die for urging the second die adjacent the first die to clamp the workpiece.

4. The workpiece edge cutting apparatus of claim 3, further comprising a base, one end of the base being fixedly connected to the second die, the other end of the base being rotatably connected to the telescoping end of the pressure applying mechanism.

5. The workpiece edge cutting device of claim 4, further comprising a plurality of auxiliary pressing mechanisms uniformly arranged in the circumferential direction, wherein each auxiliary pressing mechanism comprises a guide rod, a spiral spring and a bull's eye bearing; the utility model discloses a bed, including bed, bed base, first mould, guide bar, coil spring, the bed base is equipped with the bull's eye bearing, and the guide bar sets up with liftable on the bed, and the guide bar top is provided with the bull's eye bearing, and the coil spring suit is in on the guide bar, the coil spring compressed trend forces the ball of bull's eye bearing to support and leans on the back of second mould perhaps on the dish seat.

6. The workpiece edge cutting apparatus of claim 5, wherein the back of the second die or the disk holder is provided with an annular guide groove adapted with balls of a bull's eye bearing.

7. The workpiece edge cutting apparatus of claim 1, further comprising a profiling mechanism for controlling a path of movement of the outer cutter and the inner cutter as they move circumferentially relative to the workpiece;

the profiling mechanism comprises: profiling templates and a movable workbench;

the profiling template is rotatably arranged on the lathe bed and synchronously rotates with the workpiece;

the moving workbench is movably arranged on the bed body in the radial direction;

the inner cutter, the outer cutter and the actuating mechanism are arranged on the movable workbench;

the profiling template is provided with an annular limiting structure, the movable workbench is provided with a follow-up structure matched with the annular limiting structure, and the movable workbench, the inner cutter, the outer cutter and the executing mechanism are driven to move along the radial direction through the annular limiting structure and the follow-up structure when the profiling template rotates synchronously along with a workpiece.

8. The workpiece edge cutting apparatus of claim 7, wherein the annular limiting structure is an annular chute on the profiling template, and the follower structure is a roller provided on the moving table; the roller can be inserted in the annular chute in a rolling manner along the annular chute; the annular sliding groove comprises an inner side working face close to one side of a workpiece rotation center in the radial direction and an outer side working face far away from one side of the workpiece rotation center in the radial direction, and the outer circle of the roller abuts against the inner side working face or the outer side working face.

9. The workpiece edge cutting apparatus of claim 7, wherein the annular restraining structure is an annular track on the profiling template; the annular track comprises an inner side working surface close to one side of the rotation center of the workpiece in the radial direction and an outer side working surface far away from one side of the rotation center of the workpiece in the radial direction;

the follow-up structure is an inner roller and an outer roller which are arranged on the movable workbench;

the outer circles of the inner roller and the outer roller are respectively abutted against the inner side working face and the outer side working face.

10. The workpiece edge cutting apparatus of claim 9, wherein the outer rollers comprise a first outer roller and a second outer roller, and the inner roller is disposed intermediate the first outer roller and the second outer roller in a direction tangential to the centerline of the endless track.

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