CN114226608A - Automatic processing device for straight grains of generator rotor shaft - Google Patents

Abstract

The invention discloses a generator rotor shaft straight grain automatic processing device.A rolling machine is connected with an automatic workpiece processing system, and an automatic feeding mechanism, an automatic grabbing mechanism and an automatic propelling mechanism are connected with the automatic workpiece processing system; the automatic feeding mechanism orderly arranges the workpieces in the automatic feeding mechanism, the automatic grabbing mechanism grabs the workpieces, moves the workpieces to the position of the pushing mechanism after grabbing, arranges the workpieces in the pushing mechanism, automatically positions the pushing mechanism, then pushes the workpieces to the processing position of the thread rolling die for thread rolling processing, and grabs and unloads the workpieces through the automatic grabbing mechanism after processing; the automatic feeding unit and the automatic discharging unit are arranged, so that the efficiency of the whole machining process is improved, the consistency of the machined workpieces is guaranteed by automatic propulsion machining, and the machining quality of the rotor shaft is improved.

Description

Automatic processing device for straight grains of generator rotor shaft

Technical Field

The invention relates to the technical field of motor rotor shaft machining, in particular to an automatic machining device for straight grains of a generator rotor shaft.

Background

The motor rotor shaft is mainly used for mounting a rotor core and a rotor winding, and in order to facilitate the mounting stability of the core and the winding, a plurality of straight-line antiskid blocks need to be processed on the shaft body during the processing of the motor rotor shaft; the texturing is usually performed by means of a rolling machine, during which the rotor shaft is inserted into a thread rolling die in the machine for machining, and the rotor shaft body is machined by means of the thread rolling die.

The current straight line of generator rotor axle is rolled and is adopted artifical material loading, the clamping, take off the product by the manual work after the processing is accomplished, machinery is frequent does single action, there is certain potential safety hazard in the process of whole processing, artifical material loading intensity of labour is big, and push the rotor axle in the equipment in the manual work, can appear causing processing shaft section position to appear the deviation because artificial instability, make the finished product quality uniformity of rotor axle processing not high, often need artifical processing completion of waiting in processing, and need wait for the rotor axle cooling to take out, this makes whole machining efficiency low. Therefore, a high-efficiency processing apparatus is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the automatic processing device for the straight grains of the generator rotor shaft, which is used for improving the processing efficiency of the rotor shaft, improving the processing quality of the rotor shaft and reducing the labor intensity of workers.

In order to achieve the aim, the invention provides an automatic processing device for straight lines of a generator rotor shaft, which comprises a rolling machine and an automatic workpiece processing system connected with the rolling machine, wherein the automatic workpiece processing system comprises a main controller, and an automatic feeding mechanism, an automatic grabbing mechanism and an automatic pushing mechanism are connected with the main controller; the automatic feeding mechanism is arranged on one side of the rolling machine; the automatic grabbing mechanism comprises an automatic feeding unit and an automatic discharging unit, the automatic feeding unit can extend into the automatic feeding mechanism to grab a workpiece, and the automatic discharging unit grabs the workpiece and places the workpiece into a discharging guide groove; the automatic pushing mechanism is used for positioning the workpiece and pushing the workpiece into the rolling machine for machining.

According to the automatic processing device, firstly, workpieces are orderly arranged in the automatic feeding mechanism through the automatic feeding mechanism, then the workpieces are grabbed through the automatic grabbing mechanism, the workpieces are moved to the position of the pushing mechanism after being grabbed, the workpieces are placed in the pushing mechanism, the workpieces are automatically positioned in the pushing mechanism and then pushed to the processing position of the thread rolling die for thread rolling processing, and the workpieces are grabbed and unloaded through the automatic grabbing mechanism after being processed; in principle, the whole process of automatic processing of workpiece feeding, processing and discharging can be realized through one grabbing unit, and the automatic feeding unit and the automatic discharging unit are respectively arranged in the automatic feeding unit and the automatic discharging unit, so that the efficiency of the whole processing process is improved through the arrangement of the automatic feeding unit and the automatic discharging unit, the consistency of the processed workpieces is ensured through automatic pushing processing, and the processing quality of the rotor shaft is improved.

An advantageous embodiment of the automatic processing device according to the above is: the automatic feeding mechanism comprises a rack, a traction part and a support member group, wherein at least two rotating shafts are arranged on the rack, the two rotating shafts are arranged at two ends of the top of the rack, and at least one rotating shaft is connected with a driving device; the traction part is arranged on the rotating shaft, so that the rotating shafts at two ends are associated through the traction part; the support member groups are arranged along the extending direction of the traction part, at least two groups of support member groups are connected to the traction part, and each support member group is formed by arranging a plurality of limiting bearing members in parallel; the limiting bearing member comprises a supporting bottom plate and a limiting block, the supporting bottom plate is connected to the traction part, the limiting block is connected to the supporting bottom plate, and an opening capable of containing a workpiece is formed in the limiting block.

The automatic feeding mechanism can be arranged according to local conditions for the design of a frame structure, wherein the rotating shafts are at least required to be arranged at two ends, so that the traction part can be tensioned and realize transmission after bypassing the two rotating shafts to form a transmission plane; the supporting member group is designed to be formed by connecting a plurality of single limiting bearing members, so that the overall use of one supporting member group is still not influenced if one limiting bearing member is damaged, and the applicability of the supporting member group is improved; in principle, the limiting bearing members on the two groups of support member groups do not need to correspond one to one, but the limiting bearing members can be arranged in one to one correspondence for assembly and loading, namely, the V-shaped openings on the limiting bearing members correspond one to one, so that the loading end is more convenient.

An advantageous embodiment of the automatic processing device according to the above is: the automatic grabbing unit further comprises two groups of driving units, the two groups of driving units are respectively and fixedly connected to a cross beam, and the two groups of driving units are respectively associated with the automatic feeding unit and the automatic discharging unit; the automatic feeding unit and the automatic discharging unit are respectively connected to the cross beam in a sliding mode, claw clamps used for automatically clamping workpieces are arranged at the bottoms of the feeding unit and the discharging unit, the feeding unit slides from the middle of the cross beam to one end of the cross beam, and the discharging unit slides from the middle of the cross beam to the other end of the cross beam.

In the automatic grabbing unit, the whole execution control is controlled by an instruction of a set control system, and the control of the control system drives the driving unit to work; after the workpiece is transported to the middle part of the cross beam by the feeding unit through the claw clamp, the claw clamp is opened, namely the workpiece is clamped by a tool pushed by a special positioning tool, the workpiece is machined by a rolling machine after the clamping is finished, and after the machining is finished, the workpiece is clamped by the discharging unit and transported to a discharging end to be placed in a finished product area; the whole feeding and discharging process is automatically completed through the control system, the machining efficiency is improved, and the machining quality is improved.

An advantageous embodiment of the automatic processing device according to the above is: the automatic propelling mechanism comprises a fixed plate, a sliding plate, a tip base, a linear propelling device and a position sensing assembly, wherein the sliding plate is connected to the fixed plate in a sliding manner; the centre base is fixedly connected to the sliding plate, one end of the centre base is fixedly connected with a fixed centre tip part, and the other end of the centre base is connected with a movable centre tip part; the linear propulsion device is provided with a fixed part and a pushing part, and the pushing part is connected to one end of the tip base so that the linear actuator drives a sliding plate to slide along the fixed plate; the position sensing assembly is associated with the sliding plate so that the linear actuator starts or stops working after the sliding plate reaches a target position.

The propelling mechanism is used in combination with the rolling machine, and is arranged below the center of a thread rolling die of the rolling machine; when connecting with fixed plate fixed connection on the rolling machine, arrange the work piece in on top base, accomplish the location to the work piece through fixed apical tip portion on the top base and movable apical tip portion, then advance work through sharp final controlling element, it processes through the thread rolling mould on the rolling machine to advance the in-process, the drawback of longer straight line connects the sword vestige has been overcome, the thread rolling mould adopts the system of grinding, to roll the accuracy control at 0.02mm, the precision satisfies the pressure equipment requirement completely after rolling, it is sharp to avoid the grinding process and remain the straight line prong, make the resistance when the pressure equipment littleer and can satisfy the torsion test. And through self-propulsion and automatic clamping location, promote holistic machining efficiency.

An advantageous embodiment in this application is: the traction part comprises at least two conveying chains, and each conveying chain is provided with a connecting part for connecting the limiting and bearing components; the workpiece blanking device is characterized by further comprising a limiting assembly connected to the top of the rack, wherein the limiting assembly comprises a first limiting plate and a second limiting plate, the first limiting plate is connected to one side of the rack, the first limiting plate extends to a workpiece blanking position from a workpiece loading position, the second limiting plate is connected to the other side of the rack, and the second limiting plate is located at the workpiece blanking position; the rotating shaft bodies, close to the racks on the two sides, of the rotating shaft are fixedly connected with chain gears respectively, and the conveying chain bypasses the chain gears to achieve association. Through the setting of spacing subassembly for the standardization of work piece position, use first limiting plate as the benchmark during material loading promptly, place the rotor shaft on spacing load-bearing member, this provides the position basis for snatching of follow-up work piece, because, if rotor shaft position is not right, the condition that then follow-up one end appears too heavy and drop very easily in snatching the in-process, consequently first limiting plate and the common spacing of second limiting plate have promoted the quality of its material loading.

An advantageous embodiment in this application is: the automatic feeding unit is consistent with the automatic discharging unit in structure and comprises a fixing part, a slide rail, a supporting part and a linear executing device, wherein the fixing part is connected to the cross beam in a sliding mode, the slide rail is fixedly connected to the fixing part and is perpendicular to the cross beam, the supporting part is connected to the slide rail in a sliding mode, and the linear executing device is fixedly connected to the fixing part and is associated with the supporting part so that the supporting part is driven to slide along the slide rail through the linear executing device; the claw clamp is arranged at the bottom of the supporting part through a position adjusting assembly. Through the arrangement of the structure, the displacement of the claw clamp in the vertical direction is increased, so that the descending or ascending amount can be flexibly adjusted according to the distance from the processing position, and the applicability of the claw clamp is improved; the material taking and discharging position can be reached more quickly through the movement of the supporting part, so that the material taking and discharging are more convenient.

An advantageous embodiment in this application is: the position adjusting assembly comprises an air cylinder fixing piece, a sliding table air cylinder and a claw clamp air cylinder, the air cylinder fixing piece is fixedly connected to the bottom end of the supporting part, a cylinder body of the sliding table air cylinder is fixedly connected to the air cylinder fixing piece, and a piston part of the sliding table air cylinder is associated with the claw clamp air cylinder; the jaw clamp cylinder has piston ends at both ends, with the jaw clamp connected to each piston end. The adjustment can still be applied to rotor shafts with different lengths, so that the applicability of the mechanism is improved; in fact, the types of the rotor shafts are not greatly different in length, and the fact that the rotor shafts of most types can pass through can be completely met through adjustment of the strip-shaped holes.

An advantageous embodiment in this application is: the position sensing assembly comprises a rod body, a position sensing block and a trigger head; the body of rod one end is connected the one end of sliding plate, is connected with on the other end of the body of rod trigger the head, the position response piece sets up between the body of rod both ends to make trigger the head when removing the target location with the contact of position response piece. Make the control to reaching the straight line mobile device behind the target position realize automaticly through the setting of position response subassembly, when triggering head and position response piece contact and triggering, transmit a feedback signal and give control system, control system is correlated to sharp actuating device, position response piece, the execution motion such as activity apical part portion, feedback signal gives sharp actuating device instruction after handling through control system for sharp actuating device works at predetermined home range, promote holistic degree of automation.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a front view of an automatic processing apparatus according to an embodiment of the present invention;

FIG. 2 is a block diagram of the automatic feeding mechanism shown in FIG. 1;

FIG. 3 is a top view of the automatic feeding mechanism shown in FIG. 2;

FIG. 4 is a block diagram of the automatic gripping mechanism shown in FIG. 1;

fig. 5 is a structural view of the automatic propulsion mechanism shown in fig. 1.

In the drawing, the rolling machine 100, the automatic feeding mechanism 200, the rack 201, the rotating shaft 202, the conveying chain 203, the limiting bearing member 204, the first limiting plate 205, the second limiting plate 206, the driving motor 207, the automatic grabbing mechanism 300, the cross beam 301, the driving cylinder 302, the linear rail 303, the fixing portion 304, the supporting portion 305, the sliding rail 306, the cylinder fixing portion 307, the sliding table cylinder 308, the jaw clamp cylinder 309, the jaw clamp 310, the automatic pushing mechanism 400, the fixing plate 401, the sliding plate 402, the fixing base 403, the fixing base 404, the position sensing block 405, the head jogging block 406, the rod body 407, the trigger head 408, the cylinder device 409, the movable tip portion 410, the first thimble 411, the second thimble 412, the fixing tip portion 413, the tip base 414, the discharging channel 500, the supporting column 600, the main controller 700, and the workpiece 800 are shown in the drawing.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

As shown in fig. 1, a specific embodiment of the present application is: an automatic processing device for a motor rotor shaft comprises a rolling machine 100, wherein an automatic feeding mechanism 200 is arranged on one side of the rolling machine 100, an automatic grabbing mechanism 300 is arranged at the upper part of the rolling machine 100, and an automatic propelling mechanism 400 is arranged at a feeding port of the rolling machine 100; a discharging channel 500 is arranged on one side of the rolling machine 100 opposite to the automatic feeding mechanism 200, and the discharging channel 500 is made of hard plastic materials, so that the collision of a rotor shaft is avoided; a main controller 700 is arranged on the supporting column 600 close to one side of the feeding mechanism, and the main controller 700 is used for processing feedback signals of all sensors and sending control instructions to drive all the mechanisms to realize linkage work;

as shown in fig. 2-3, in which a part of the transmission chain is omitted in fig. 2, the automatic feeding mechanism 200 includes a frame 201, two ends of the frame 201 are respectively and rotatably connected with a rotating shaft 202, two sides of the rotating shaft 202 are respectively connected with a sprocket, and the transmission chains 203 are respectively arranged around the sprockets; a conveying plane of the workpiece 800 is preliminarily formed by the conveying chains 203 on both sides; in order to limit the transmission shaft, a plurality of limit bearing components 204 are respectively arranged next to and in parallel on the two transmission chains 203, and the plurality of limit bearing components 204 form the support component group by winding the transmission chains in parallel for a circle; the opening for limiting the rotating shaft 202 in the limiting bearing member 204 is a V-shaped opening, and the V-shaped openings on the supporting member groups on the two sides correspond to one another, so that a plurality of accommodating stations for placing the motor rotor shaft are formed, wherein the limiting bearing member 204 comprises a supporting bottom plate and a limiting block, and the supporting bottom plate is connected to the traction part.

In order to improve efficiency and automation, a driving motor 207 needs to be arranged, the driving motor 207 is in belt transmission connection with the rotating shaft 202 at the tail end position, and further drives the rotating shaft 202 to rotate, so that a chain rotates to complete automatic transportation of the workpiece 800, in order to achieve automatic start and stop, a position sensor is arranged on the rack 201 and used for detecting whether the workpiece 800 exists at the tail end position, if the workpiece 800 exists, the driving motor 207 stops working through a feedback signal, and after the workpiece 800 at the position is taken away, the sensor detects that the workpiece 800 does not exist at the position, the driving motor 207 is controlled to start to transport the workpiece 800 to the position, and therefore circulation and automation are achieved.

For the spacing to work piece 800 material loading, be connected with first limiting plate 205 in one side of frame 201, the opposite side is connected with second limiting plate 206, and first limiting plate 205 extends to work piece 800 unloading position by work piece 800 material loading position, second limiting plate 206 is connected at frame 201 opposite side, and second limiting plate 206 is located work piece 800 unloading position, is provided with a guide inclined plane at the second limiting plate, makes if there is a certain position of material loading in-process rotor shaft to surpass this inclined plane guide adjustment of accessible through the guide inclined plane. Through the arrangement of the limiting assembly, the position of the workpiece 800 is standardized, namely the rotor shaft is placed on the limiting bearing component 204 by taking the first limiting plate 205 as a reference during loading, and a position basis is provided for the subsequent grabbing of the workpiece 800.

As shown in fig. 4, the automatic grabbing mechanism 300 includes supporting columns 600 on two sides, a cross beam 301 is transversely connected to the top of the supporting column 600, two sets of linear rails 303, two grabbing units and two sets of driving cylinders 302 are arranged on the cross beam 301, a claw clamp 310 for automatically clamping a workpiece 800 is arranged at the bottom of each grabbing unit, the two sets of grabbing units are respectively arranged on the cross beam 301 in a sliding manner through the linear rails 303, one set of grabbing units is an automatic feeding grabbing unit and slides from the middle of the cross beam 301 to one end of the cross beam 301, and the other set of grabbing units is an automatic discharging grabbing unit and slides from the middle of the cross beam 301 to the other end of the cross beam 301; the two groups of driving cylinders 302 are respectively and fixedly connected to the cross beam 301, and the driving cylinders 302 are respectively associated with the automatic feeding unit and the automatic discharging unit, so that the automatic feeding unit and the automatic discharging unit are driven by the corresponding driving units to independently slide along the cross beam 301;

the grabbing unit comprises a fixed part 304, a slide rail 306, a supporting part 305 and a cylinder device 409, wherein the fixed part 304 is matched with the line rail 303 to slide, the slide rail 306 is fixedly connected to the fixed part 304, the slide rail 306 is perpendicular to the cross beam 301, the supporting part 305 is slidably connected to the slide rail 306, a cylinder end of the cylinder device 409 is fixedly connected to the fixed part 304, and a piston end of the cylinder device 409 is associated with the supporting part 305, so that the supporting part 305 is driven by the cylinder device 409 to slide along the slide rail 306; the jaw 310 is disposed at the bottom of the support 305 through a position adjusting assembly.

The connecting structure of the automatic clamping jaw 310 comprises a cylinder fixing piece 307, a sliding table cylinder 308 and a jaw clamp cylinder 309, wherein the cylinder fixing piece 307 is fixedly connected to the bottom end of the supporting part 305, a cylinder body of the sliding table cylinder 308 is fixedly connected to the cylinder fixing piece 307, and a piston part of the sliding table cylinder 308 is associated with the jaw clamp cylinder 309; the jaw clamp cylinder 309 is a double-shaft cylinder, piston ends are arranged at two ends of the jaw clamp 3 cylinder 309, each piston end is connected with the jaw clamp 310, and clamping of the workpiece 800 is realized through folding and separating of the jaw clamps 310 at two ends

The limiting bearing member 204 is made of metal, the first limiting plate 205 and the second limiting plate 206 are made of hard plastic, and a rubber pad is arranged on the opening side of the limiting bearing member 204, so that the workpiece 800 is prevented from being scratched.

As shown in fig. 5, the propelling mechanism 400 is fixedly connected to the feeding port of the rolling machine 100, and includes a fixed plate 401, a sliding plate 402, a tip base 414, a cylinder device 409, a fixed base 403, and a position sensing assembly; the fixing plate 401 is fixedly connected to the rolling machine 100, the fixing plate 401 is located below a thread rolling die of the rolling machine 100, a dovetail groove is formed in the extending direction of the fixing plate 401, and the sliding plate 402 is slidably connected to the fixing plate 401 through the dovetail groove and slides in the dovetail groove; the tip base 414 is fixedly connected to the sliding plate 402, one end of the tip base 414 is fixedly connected with a fixed tip part 413, the other end of the tip base 414 is connected with a movable tip part 410, and the workpiece 800 is arranged between the fixed tip part 413 and the movable tip part 410; the cylinder device 409 has a fixed part 304 and a pushing part, wherein the pushing part of the cylinder device 409 is connected to one end of the tip base 414, so that the sliding plate 402 is driven to slide in the dovetail groove of the fixed plate 401 by the cylinder device 409; the fixed base 403 is an "L" shaped structure, the fixed base 403 is connected to one side wall of the rolling machine 100, the position sensing component is connected to the fixed base 403, and the position sensing component is associated with the sliding plate 402, so that the sliding plate 402 gives a feedback signal when reaching a target position, and the cylinder device 409 is driven to start or stop working.

The sensing assembly includes a fixing base 404, a rod 407, a position sensing block 405, a jogging block 406 and a trigger head 408; the fixed seat 404 is fixedly connected to the fixed base 403, a movable channel is processed at the bottom of the fixed seat 404, the movable channel is a linear channel, the rod body 407 penetrates through the movable channel, one end of the rod body 407 is connected to one end of the tip base 414, the other end of the rod body 407 is connected with the trigger head 408, the connecting end of the rod body 407 and the tip base 414 and the connecting end of the air cylinder push rod are on the same end surface, and the position sensing block 405 is arranged at one end of the fixed seat 404 between the two ends of the rod body 407, so that the trigger head 408 feeds back feedback information of the trigger head 408 to a control system after contacting with the position sensing block 405 when moving to a target position, and the control system controls the operation of the air cylinder device 409; the position sensing block 406 is connected to the position sensing block 405, through holes are formed in the position sensing block 405 and the position sensing block 406, and the rod body 407 penetrates through the through holes of the position sensing block 406 and the through holes of the position sensing block 405 respectively, so that the position sensing block 406 is in direct contact with the trigger head 408, the position sensing block 405 is protected, and the service life of the position sensing block is longer.

The connection mode of the rod body 407 and the tip base 414 is as follows: body of rod 407 chooses the screw rod for use, is connected one end at screw rod and top base 414 and is provided with a connecting block, connecting block and screw rod screw-thread fit, and connecting block and top base 414 pass through bolt fixed connection to this realizes that the screw rod changes along with top base 414's removal and the position takes place, and then makes trigger head 408 and position response piece 405 contact send feedback signal, and the chooseing for use of screw rod makes more convenient when adjusting.

The movable ejector point portion 410 includes a driving cylinder body, a first ejector pin 411 is arranged in the driving cylinder body in a penetrating manner, the driving cylinder is a driving oil cylinder, the first ejector pin 411 is driven to move back and forth through oil pressure, the workpieces 800 with different lengths are respectively positioned, the fixed ejector point portion 413 includes a fixed ejector pin base, and a second ejector pin 412 is fixedly connected to the fixed ejector pin base.

The working process is as follows: initially, a workpiece 800 is placed on a rack 201, the workpiece 800 is limited by a limiting bearing component 204 on the rack 201 and conveyed to one end, close to the rolling machine 100, of the rack 201 through a conveying chain 203, when a position sensor senses the workpiece 800, a main controller 700 immediately stops the conveying chain 203 to wait for a feeding unit to grab the workpiece 800, after the feeding mechanism grabs the workpiece 800, the conveying chain 203 continues to feed and simultaneously grab the workpiece 800 to the middle and place the workpiece 800 in a top base 414, the workpiece 800 is positioned through a movable top tip portion 410 and a fixed top tip portion 413, then the workpiece 800 is pushed into a wire rolling die in the rolling machine 100 to be processed through driving of an air cylinder device 409, and the pushing of a determined length is realized through a position sensing component in the pushing process; after the machining of the thread rolling die is completed, the machined workpiece 800 is clamped and transported to the upper part of the discharging channel 500 through the claw clamp 310 of the discharging unit, then the claw clamp 310 is dropped, and the workpiece 800 is placed into the discharging channel 500 to complete the discharging.

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; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. The utility model provides a straight line automatic processing device of generator rotor axle, includes the rolling machine, its characterized in that: the rolling machine is connected with an automatic workpiece processing system, the automatic workpiece processing system comprises a main controller, and the main controller is associated with the automatic workpiece processing system

An automatic feeding mechanism; the automatic feeding mechanism is arranged on one side of the rolling machine;

an automatic grabbing mechanism; the automatic grabbing mechanism comprises an automatic feeding unit and an automatic discharging unit, the automatic feeding unit can extend into the automatic feeding mechanism to grab a workpiece, and the automatic discharging unit grabs the workpiece and places the workpiece into a discharging guide groove; and

an automatic advancing mechanism; the automatic pushing mechanism is used for positioning the workpiece and pushing the workpiece into the rolling machine for machining.

2. The automatic machining device for the straight lines of the generator rotor shaft according to claim 1, characterized in that: the automatic feeding mechanism includes:

the device comprises a rack, at least two rotating shafts are arranged on the rack, the two rotating shafts are arranged at two ends of the top of the rack, and at least one rotating shaft is connected with a driving device;

a traction part installed on the rotation shaft such that the rotation shafts at both ends are associated by the traction part;

the support member groups are arranged along the extending direction of the traction part, at least two groups of support member groups are connected to the traction part, and each support member group is formed by arranging a plurality of limiting bearing members in parallel;

the limiting bearing member comprises a supporting bottom plate and a limiting block, the supporting bottom plate is connected to the traction part, the limiting block is connected to the supporting bottom plate, and an opening capable of containing a workpiece is formed in the limiting block.

3. The automatic machining device for the straight lines of the generator rotor shaft according to claim 1, characterized in that: the automatic grabbing unit further comprises two groups of driving units, the two groups of driving units are respectively and fixedly connected to a cross beam, and the two groups of driving units are respectively associated with the automatic feeding unit and the automatic discharging unit; the automatic feeding unit and the automatic discharging unit are respectively connected to the cross beam in a sliding mode, claw clamps used for automatically clamping workpieces are arranged at the bottoms of the feeding unit and the discharging unit, the feeding unit slides from the middle of the cross beam to one end of the cross beam, and the discharging unit slides from the middle of the cross beam to the other end of the cross beam.

4. The automatic machining device for the straight lines of the generator rotor shaft according to claim 1, characterized in that: the self-propelling mechanism comprises

A fixing plate;

a sliding plate slidably coupled to the fixed plate;

the centre base is fixedly connected to the sliding plate, one end of the centre base is fixedly connected with a fixed centre tip part, and the other end of the centre base is connected with a movable centre tip part;

the linear propulsion device is provided with a fixed part and a pushing part, and the pushing part is connected to one end of the tip base so that the linear actuator drives a sliding plate to slide along the fixed plate;

the position sensing assembly is associated with the sliding plate, so that the linear actuator starts or stops working after the sliding plate reaches a target position.

5. The automatic machining device for the straight lines of the generator rotor shaft according to claim 2, characterized in that: the traction part comprises at least two conveying chains, and each conveying chain is provided with a connecting part for connecting the limiting and bearing components.

6. The automatic machining device for the straight lines of the generator rotor shaft according to claim 2, characterized in that: the workpiece feeding device is characterized by further comprising a limiting assembly connected to the top of the rack, the limiting assembly comprises a first limiting plate and a second limiting plate, the first limiting plate is connected to one side of the rack, the first limiting plate extends to a workpiece discharging position from a workpiece feeding position, the second limiting plate is connected to the other side of the rack, and the second limiting plate is located at the workpiece discharging position.

7. The automatic machining device for the straight lines of the generator rotor shaft according to claim 5, characterized in that: the rotating shaft bodies, close to the racks on the two sides, of the rotating shaft are fixedly connected with chain gears respectively, and the conveying chain bypasses the chain gears to achieve association.

8. The automatic machining device for the straight lines of the generator rotor shaft according to claim 3, characterized in that: the automatic feeding unit is consistent with the automatic discharging unit in structure and comprises a fixing part, a slide rail, a supporting part and a linear executing device, wherein the fixing part is connected to the cross beam in a sliding mode, the slide rail is fixedly connected to the fixing part and is perpendicular to the cross beam, the supporting part is connected to the slide rail in a sliding mode, and the linear executing device is fixedly connected to the fixing part and is associated with the supporting part so that the supporting part is driven to slide along the slide rail through the linear executing device; the claw clamp is arranged at the bottom of the supporting part through a position adjusting assembly.

9. The automatic machining device for the straight lines of the generator rotor shaft according to claim 8, characterized in that: the position adjusting assembly comprises an air cylinder fixing piece, a sliding table air cylinder and a claw clamp air cylinder, the air cylinder fixing piece is fixedly connected to the bottom end of the supporting part, a cylinder body of the sliding table air cylinder is fixedly connected to the air cylinder fixing piece, and a piston part of the sliding table air cylinder is associated with the claw clamp air cylinder; the jaw clamp cylinder has piston ends at both ends, with the jaw clamp connected to each piston end.

10. The automatic machining device for the straight lines of the generator rotor shaft according to claim 4, characterized in that: the position sensing assembly comprises a rod body, a position sensing block and a trigger head; the body of rod one end is connected the one end of sliding plate, is connected with on the other end of the body of rod trigger the head, the position response piece sets up between the body of rod both ends to make trigger the head when removing the target location with the contact of position response piece.

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