CN113172389A - Rotor worm fastening device and fastening method thereof - Google Patents

Abstract

The invention discloses a rotor worm fastening device and a fastening method thereof, and relates to the technical field of rotor worm assembly, wherein the rotor worm fastening device comprises a rack, a feeding transfer mechanism for clamping a rotor to feed, a knurling mechanism for knurling the end of a rotor shaft transmitted by the feeding transfer mechanism, a discharging transfer mechanism for transferring and discharging the rotor worm which is knurled on the knurling mechanism, a synchronous material moving mechanism for receiving and moving the rotor worm transferred by the discharging transfer mechanism, a worm fastening mechanism for fastening a worm on the synchronous material moving mechanism on the knurling part of the rotor shaft, and a discharging turnover mechanism for transferring and discharging the rotor worm on the synchronous material moving mechanism; therefore, through the automatic operation of feeding transfer, knurling, worm fastening and discharging of the rotor, a large amount of manual labor is saved, the production efficiency is improved, and the production cost is reduced.

Description

Rotor worm fastening device and fastening method thereof

Technical Field

The invention relates to the technical field of rotor and worm assembly, in particular to rotor and worm fastening equipment and a fastening method thereof.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the rotor is an important part, the performance of the rotor directly influences the performance of the whole motor, the rotor shaft is applied to various motors, in the process of producing the rotor shaft, the worm is required to be sleeved on the rotor shaft firstly, then the rotor shaft is subjected to knurling treatment, and finally the worm is fastened on the rotor shaft subjected to knurling treatment; most of the existing rotor worm fastening devices can not realize full automation of feeding transfer, knurling, worm fastening and discharging, a large amount of manual labor is needed, the production efficiency is reduced, and the production cost is increased; most of the existing rotor worm fastening equipment can only perform knurling on a rotor shaft of one type, so that the production cost is increased, and the occupied area is increased; meanwhile, the existing worm fastening mechanism has the technical problems of poor assembly precision, low efficiency and low product stability; therefore, in view of the current situation, it is urgently needed to develop a rotor and worm fastening device to meet the requirement of practical use.

Disclosure of Invention

In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a rotor and worm fastening apparatus and a fastening method thereof, which save a lot of manual labor, improve production efficiency, and reduce production cost by automatic operations of feeding transfer, knurling, worm fastening, and discharging of a rotor.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rotor worm fastening device comprises a rack, wherein a rotor is provided with a rotor shaft, a worm is sleeved on the rotor shaft, the rotor worm fastening device further comprises a feeding transfer mechanism for clamping the rotor to feed, a knurling mechanism for knurling the end of the rotor shaft transmitted by the feeding transfer mechanism, a discharging transfer mechanism for transferring and discharging the rotor worm which is knurled on the knurling mechanism, a synchronous material moving mechanism for receiving and moving the rotor worm transferred by the discharging transfer mechanism, a worm fastening mechanism for fastening the worm on the synchronous material moving mechanism to the knurling part of the rotor shaft, and a discharging turnover mechanism for transferring and discharging the rotor worm on the synchronous material moving mechanism; the machine frame is provided with a workbench for installing the mechanisms, the discharge transfer mechanism, the worm fastening mechanism and the discharge turnover mechanism are sequentially arranged beside the synchronous material moving mechanism, and the discharge transfer mechanism is connected between the knurling mechanism and the synchronous material moving mechanism.

As a preferred embodiment: the knurling mechanism comprises a mounting frame, an upper hob driving assembly, a lower hob assembly and a rotor driving assembly; the upper hob driving assembly comprises a driving motor, a belt transmission device, a speed reducer, a rotary table, a first connecting rod and a second connecting rod, wherein the speed reducer is installed on the installation frame, the output end of the belt transmission device is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the rotary table, a rocker arm is tightly arranged at a position, far away from an axis center, of the rotary table, the rocker arm is hinged with the first connecting rod, the first connecting rod is hinged with the second connecting rod, the upper hob can be transversely movably installed on the installation frame, the upper hob is fixedly connected with the second connecting rod, the second connecting rod can be transversely movably positioned on the installation frame, the belt transmission device drives the rotary table to rotate through the speed reducer, and the rotary table rotates to drive the second connecting rod and the upper hob to transversely move; the lower hob assembly comprises a lower hob base and a lower hob which is fixedly arranged on the lower hob base, and the upper hob can be transversely and movably positioned above the lower hob; the rotor driving component comprises a supporting seat, a first supporting plate, a first cylinder, a second supporting plate, a second cylinder and a transverse sliding seat for placing a rotor worm, wherein the supporting seat can be vertically movably positioned on a lower cutter seat, the first supporting plate and the second supporting plate are respectively vertically arranged on two sides of the supporting seat, the first cylinder is arranged on one side, close to the first supporting plate, of the supporting seat, the second cylinder is arranged on one side, close to the second supporting plate, of the supporting seat, the transverse sliding seat is transversely and slidably positioned on the supporting seat, the shaft end of the first cylinder can drive the transverse sliding seat to transversely move to abut against the second supporting plate for abutting against the transverse sliding seat to perform knurling, the shaft end of the second cylinder can drive the transverse sliding seat to transversely move to abut against the first supporting plate for pushing the knurled rotor to the other side to prepare discharging, and the shaft end of the rotor on the transverse sliding seat can be positioned between an upper hob and a lower hob in a rolling manner, the lower hob transversely moves to penetrate through the lower hob.

As a preferred embodiment: the knurling mechanism further comprises a first adjusting screw rod for adjusting the height of the lower tool apron and a second height adjusting assembly for adjusting the height of the rotor driving assembly, the lower tool apron can be vertically movably positioned on the mounting frame, the first adjusting screw rod is connected with the lower tool apron, and the first adjusting screw rod drives the lower tool apron to vertically move; the second height adjusting assembly comprises a second adjusting screw and a second sliding seat, a groove for the second adjusting screw to penetrate through is formed in the second sliding seat, the second sliding seat can move up and down relative to the second adjusting screw, the second adjusting screw penetrates through the groove and is connected with the lower tool apron, and the second adjusting screw enables the second sliding seat to be fixed or loosened relative to the lower tool apron.

As a preferred embodiment: the worm fastening mechanism comprises a pre-tightening assembly and a fastening assembly, wherein the pre-tightening assembly is used for pre-tightening a worm on the rotor, the fastening assembly is used for pulling the worm to a knurled part of the rotor shaft, and the pre-tightening assembly and the fastening assembly are arranged side by side; the pre-tightening assembly comprises a first bracket, a first downward pressing driving device and a first pre-tightening driving device, wherein the first downward pressing driving device is used for being embedded into the worm and applying downward pressure to the worm, and the first pre-tightening driving device is used for pulling the worm to pre-tighten the worm on the rotor shaft; the first pre-tensioning driving device is arranged on the first bracket, and the first downward pressing driving device is arranged on the first pre-tensioning driving device; the fastening assembly comprises a second bracket, a second pressing driving device used for clamping the worm and applying downward pressure to the worm, and a second pulling driving device used for pulling the worm to completely fasten the worm on the rotor shaft, wherein the second pulling driving device is arranged on the second bracket, and the second pressing driving device is arranged on the second pulling driving device.

As a preferred embodiment: the first pre-tensioning driving device comprises a first pre-tensioning driving cylinder and a first support used for supporting the end part of the rotor worm, the first pre-tensioning driving cylinder is longitudinally arranged on a first support, the first support is slidably arranged on the first support, the shaft end of the first pre-tensioning driving cylinder is connected with the first support, and the first pre-tensioning driving cylinder drives the first support to move on the first support; the first downward pressing driving device comprises a first downward pressing driving cylinder and a first sliding block; the first downward pressing driving cylinder is vertically arranged on the first support, the first sliding block is slidably positioned on the first support, the shaft end of the first downward pressing driving cylinder is connected with the first sliding block, and the first downward pressing driving cylinder drives the first sliding block to vertically move on the first support; the lower surface of the first sliding block is provided with a rubber pulling block which is matched with the worm on the first support; the second pulling driving device comprises a second pulling driving cylinder and a second support used for supporting the end part of the rotor worm, the second pulling driving cylinder is longitudinally arranged on a second support, the second support is slidably arranged on the second support, the shaft end of the second pulling driving cylinder is connected with the second support, and the second pulling driving cylinder drives the second support to move on the second support; the second downward pressing driving device comprises a second downward pressing driving air cylinder and a second sliding block, the second downward pressing driving air cylinder is vertically installed on the second support, the second sliding block is slidably located on the second support, the shaft end of the second downward pressing driving air cylinder is connected with the second sliding block, and the second downward pressing driving air cylinder drives the second sliding block to vertically move on the second support; the second slide corresponds to the second seat to mount the worm screw completely and tightly on the rotor shaft.

As a preferred embodiment: the lower end of the second sliding block is provided with a pulling plate for pulling the worm, a groove is formed in the pulling plate, the pulling plate abuts against the end of the worm to pull the worm to a knurled part of the rotor shaft, the second downward pressing driving cylinder drives the groove in the second sliding block to move downwards and be clamped between the rotor and the worm, the second pulling driving cylinder drives the second support to move backwards, and the second support moves backwards to drive the groove in the second sliding block to pull the worm to move backwards so as to fasten the worm on the rotor.

As a preferred embodiment: the synchronous material moving mechanism comprises a support frame, a fixed material placing plate, a lifting driving assembly and a transverse driving assembly, wherein the fixed material placing plate is installed on the support frame, the lifting driving assembly comprises a lifting driving cylinder and a lifting plate, the lifting driving cylinder is vertically installed on the support frame, the shaft end of the lifting driving cylinder is connected with the lifting plate, and the lifting driving cylinder drives the lifting plate to move up and down relative to the support frame; the transverse driving assembly comprises a transverse driving cylinder and a transverse sliding plate, the transverse driving cylinder is mounted on the lifting plate, the transverse sliding plate is movably positioned on the supporting frame, the shaft end of the transverse driving cylinder is connected with the transverse sliding plate, and the transverse driving cylinder drives the transverse sliding plate to transversely move relative to the lifting plate and the supporting frame; the spaced a plurality of blowing grooves that are provided with on the above-mentioned fixed blowing board, the spaced a plurality of blowing seats that are provided with on this transverse sliding plate, this blowing seat and blowing groove one-to-one, this blowing seat rises for the blowing groove under the drive of driving actuating cylinder in the lift, this blowing seat is relative to blowing groove lateral shifting to adjacent blowing groove position department under the drive of transversely driving actuating cylinder.

As a preferred embodiment: the upper hob seat used for connecting the upper hob is arranged on the lower side of the second connecting rod in a fastening mode, the upper hob is connected to the front side of the upper hob seat, a transverse guide rail used for allowing the upper hob seat to transversely move is arranged on the mounting frame, a sliding groove is formed in the rear side of the upper hob seat and matched with the transverse guide rail, and the upper hob seat and the upper hob can transversely move on the transverse guide rail through the sliding groove

As a preferred embodiment: and the first support plate and the second support plate are both provided with a proximity sensor for sensing the arrival of the transverse sliding seat.

The fastening method of the rotor worm fastening device comprises the following steps:

firstly, feeding materials by a rotor (a worm is sleeved on a rotor shaft);

secondly, the feeding transfer mechanism transfers the rotor clamp to the transverse sliding seat of the knurling mechanism;

thirdly, the transverse sliding seat is tightly propped and fixed on the second support plate by the first air cylinder;

fourth, the upper hob drive component drives the upper hob to roll on the rotor shaft end to form knurls (the distance between the upper hob and the lower hob can be adjusted in advance)

The fifth cylinder and the second cylinder push the transverse sliding seat to the first support plate;

sixthly, the discharging transfer mechanism clamps and transfers the knurled rotor to the synchronous material transfer mechanism;

seventhly, the knurled rotor is transferred to the right side by the synchronous material transferring mechanism;

eighthly, the worm fastening mechanism performs pre-tightening and further abutting operation on the worm on the rotor to fasten the worm at the end of the rotor shaft;

and ninthly, discharging after the rotor is turned by the discharging turning mechanism.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and particularly, the technical scheme is known;

firstly, through the automatic operation of feeding transfer, knurling, worm fastening and discharging of the rotor, a large amount of manual labor is saved, the production efficiency is improved, and the production cost is reduced;

secondly, an upper hob driving assembly is adopted to drive an upper hob to transversely move relative to a lower hob, so that knurling operation on the shaft end of the rotor is formed, the whole structure is simple and compact, and automation is achieved; the distance between the upper hob and the lower hob can be adjusted to adapt to rotor shafts of different models, and the application range is wide;

and thirdly, the worm is axially pulled twice in the front and back direction by adopting the pre-tightening assembly and the fastening assembly, and the worm is tightly mounted at the end of the rotor shaft, so that the mounting stability of the worm is improved, the integral structure of the product is firmer, and the operation is more stable.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of a rotor and worm fastening apparatus according to the present invention;

FIG. 2 is a perspective view of the rotor and worm fastening apparatus of the present invention;

FIG. 3 is a schematic perspective view of the knurling mechanism of the present invention;

FIG. 4 is a perspective view of the knurling mechanism of the present invention with the outer shell removed;

FIG. 5 is a perspective view of the rotor driving assembly of the present invention;

FIG. 6 is an enlarged view of the invention taken at M in FIG. 3;

FIG. 7 is a first perspective view of the worm fastening mechanism of the present invention;

FIG. 8 is a perspective view of the worm fastening mechanism of the present invention from a second perspective;

FIG. 9 is a third perspective view of the worm fastening mechanism of the present invention;

FIG. 10 is a perspective view of a fourth perspective of the worm fastening mechanism of the present invention;

FIG. 11 is a schematic perspective view of the synchronous material moving mechanism of the present invention;

FIG. 12 is a schematic view of another perspective structure of the synchronous material moving mechanism of the present invention;

FIG. 13 is a schematic perspective view of the discharging and turning mechanism of the present invention;

FIG. 14 is an enlarged view of the invention at N in FIG. 2.

The attached drawings indicate the following:

in the figure: 10. a frame; 11. a work table; 20. a feed transfer mechanism; 30. a knurling mechanism; 31. a mounting frame; 311. a left bracket; 312. a middle support plate; 313. a right bracket; 32. an upper hob cutter; 33. an upper hob drive assembly; 331. a drive motor; 332. a belt drive; 333. a rotating shaft; 334. a driving wheel; 335. a driven wheel; 336. a transmission belt; 337. a speed reducer; 338. a turntable; 339. a rocker arm; 341. a first link; 342. a connecting shaft; 343. a second link; 345. an upper tool apron; 35. a lower hob assembly; 351. a lower tool apron; 352. a lower hob; 36. a rotor drive assembly; 361. a supporting seat; 362. a first support plate; 363. a proximity sensor; 364. a first cylinder; 365. a second support plate; 366. a second cylinder; 367. a transverse slide carriage; 368. a material seat; 37. a first adjusting screw; 38. a second height adjustment assembly; 381. a second adjusting screw; 382. a second sliding seat; 383. a groove; 40. a discharge transfer mechanism; 41. a mounting frame; 42. a longitudinal drive assembly; 43. a longitudinal driving device; 431. a longitudinal driving motor; 432. a longitudinal slide; 44. a vertical drive assembly; 441. a vertical driving cylinder; 442. a vertical slide block; 45. a clamping cylinder; 50. a synchronous material moving mechanism; 51. a support frame; 52. fixing a material placing plate; 521. a discharging groove; 53. a lift drive assembly; 531. a lifting driving cylinder; 532. a lifting plate; 54. a lateral drive assembly; 541. a transverse driving cylinder; 542. a transverse slide plate; 543. a material placing seat; 60. a worm fastening mechanism; 61. a pre-tightening assembly; 62. a first bracket; 621. a first proximity sensor; 622. a first limit rod; 63. a first pre-tensioning drive; 631. a first pre-tensioning driving cylinder; 632. a first support; 633. a support block; 634. a support groove; 64. a first push-down driving device; 641. a first downward pressure driving cylinder; 642. a first slider; 643. a first vertical sliding portion; 644. a first transverse connecting portion; 645. a rubber pulling block; 65. a fastening assembly; 66. a second bracket; 661. a second proximity sensor; 662. a second limiting rod; 67. a second pulling drive; 671. a second pulling driving cylinder; 672. a second support; 68. a second push-down driving device; 681. a second push-down driving cylinder; 682. a second slider; 683. pulling a plate; 684. a groove; 685. a second vertical sliding portion; 686. a second transverse connecting portion; 70. a discharging turnover mechanism; 71. a mounting frame; 72. a longitudinal drive assembly; 721. a longitudinal driving cylinder; 722. a longitudinal slide; 73. a vertical drive assembly; 731. a vertical driving cylinder; 732. a vertical slide block; 733. turning over the air cylinder; 734. and clamping the cylinder.

Detailed Description

The invention is shown in fig. 1 to 14, a rotor worm fastening device and a fastening method thereof, comprising a frame 10, wherein the rotor is provided with a rotor shaft, a worm is sleeved on the rotor shaft, the rotor worm fastening device further comprises a feeding transfer mechanism 20 for clamping the rotor to feed, a knurling feed mechanism 30 for knurling the rotor shaft end transmitted by the feeding transfer mechanism 20, a discharge transfer mechanism 40 for transferring and discharging the rotor worm which is knurled on the knurling feed mechanism 30, a synchronous material transfer mechanism 50 for receiving and transferring the rotor worm transferred by the discharge transfer mechanism 40, a worm fastening mechanism 60 for fastening the worm on the synchronous material transfer mechanism 50 on the knurling part of the rotor shaft, and a discharge turnover mechanism for transferring and discharging the rotor worm on the synchronous material transfer mechanism 50; the frame 10 is provided with a frame 11 for mounting the above mechanisms, the discharging transfer mechanism 40, the worm fastening mechanism 60 and the discharging turnover mechanism are sequentially arranged beside the synchronous material moving mechanism 50, and the discharging transfer mechanism 40 is connected between the knurling feeding mechanism 30 and the synchronous material moving mechanism 50.

The knurling mechanism 30 comprises a mounting frame 31, an upper hob 32, an upper hob drive assembly 33, a lower hob 352 assembly 35 and a rotor drive assembly 36; the upper hob driving assembly 33 includes a driving motor 331, a belt transmission 332, a speed reducer 337, a rotary table 338, a first connecting rod 341 and a second connecting rod 343, the speed reducer 337 is mounted on the mounting frame 31, an output end of the belt transmission 332 is connected to an input end of the speed reducer 337, an output end of the speed reducer 337 is connected to the rotary table 338, a rocker arm 339 is fastened to the rotary table 338 at a position away from the axis center, the rocker arm 339 is hinged to the first connecting rod 341, the first connecting rod 341 is hinged to the second connecting rod 343, one end of the first connecting rod 341 away from the rocker arm 339 is hinged to a connecting shaft 342, and the second connecting rod 343 is hinged to the connecting shaft 342; the upper hob 32 is transversely movably mounted on the mounting frame 31, the upper hob 32 is fixedly connected with a second connecting rod 343, the second connecting rod 343 is transversely movably located on the mounting frame 31, the belt transmission device 332 drives the turntable 338 to rotate through the speed reducer 337, and the turntable 338 drives the second connecting rod 343 and the upper hob 32 to transversely move; the lower hob 352 assembly 35 comprises a lower hob seat 351 and a lower hob 352 fixedly mounted on the lower hob seat 351, and the upper hob 32 is transversely movably positioned above the lower hob 352; the rotor driving assembly 36 comprises a supporting seat 361, a first supporting plate 362, a first air cylinder 364, a second supporting plate 365, a second air cylinder 366 and a transverse sliding seat 367 for placing a rotor worm, the supporting seat 361 is movably positioned on the lower cutter seat 351 up and down, the first supporting plate 362 and the second supporting plate 365 are respectively vertically arranged on two sides of the supporting seat 361, the first air cylinder 364 is arranged on one side of the supporting seat 361 close to the first supporting plate 362, the second air cylinder 366 is arranged on one side of the supporting seat 361 close to the second supporting plate 365, the transverse sliding seat 367 is transversely and slidably positioned on the supporting seat, the shaft end of the first air cylinder 364 can drive the transverse sliding seat 367 to transversely move to abut against the second supporting plate 365 for carrying out knurling and knurling on the transverse sliding seat 367, the shaft end of the second air cylinder 366 can drive the transverse sliding seat 367 to abut against the first supporting plate 362 for pushing the knurled rotor to the other side to prepare for discharging, the rotor shaft end on the transverse sliding seat 367 is positioned between the upper hob 32 and the lower hob 352 in a rolling mode, and the lower hob 352 transversely penetrates through the lower hob 352; a material seat 368 for placing the rotor worm is arranged on the transverse sliding seat 367, and the material seat 368 moves along with the movement of the transverse sliding seat 367; specifically, a first air cylinder 364 drives a transverse sliding seat 367 to move leftwards, the transverse sliding seat 367 is tightly abutted to a second supporting plate 365, a rotor to be knurled is placed on the transverse sliding seat 367, the shaft end of the rotor to be knurled is positioned between an upper hob 32 and a lower hob 352 in a rolling mode, a belt transmission device 332 drives a rotary disc 338 to rotate through a speed reducer 337, the rotary disc 338 drives a second connecting rod 343 and the upper hob 32 to move transversely, the upper hob 32 moves transversely from the right side of the lower hob 352 to the left side of the upper hob 32, the shaft end of the rotor rolls in the transverse moving process of the lower hob 352, knurling is carried out on the shaft end of the rotor, and the second air cylinder 366 drives the rotor placed with knurling to move transversely to the first supporting plate 362 on the right side for discharging and transferring; the upper hob driving assembly 33 drives the upper hob 32 to transversely move relative to the lower hob 352, so that knurling operation on the shaft end of the rotor is formed, the whole structure is simple and compact, and automation is achieved.

The knurling feeding mechanism 30 further comprises a first adjusting screw 37 for adjusting the height of the lower tool apron 351 and a second height adjusting assembly 38 for adjusting the height of the rotor driving assembly 36, wherein the lower tool apron 351 can be vertically movably positioned on the mounting frame 31, the first adjusting screw 37 is connected with the lower tool apron 351, and the first adjusting screw 37 drives the lower tool apron 351 to vertically move; the second height adjusting assembly 38 includes a second adjusting screw 381 and a second sliding seat 382, the second sliding seat 382 is provided with a groove 383 for the second adjusting screw 381 to pass through, the second sliding seat 382 can move up and down relative to the second adjusting screw 381, the second adjusting screw 381 passes through the groove 383 to be connected with the lower tool apron 351, and the second adjusting screw 381 enables the second sliding seats 382 to be fixed or loosened with respect to the lower tool apron 351; specifically, when the first adjusting screw 37 is adjusted, the first sliding seat, the lower tool rest 351, the rotor driving assembly 36 and the second height adjusting assembly 38 all move vertically along with the first adjusting screw 37, and when the first adjusting screw 37 is adjusted to the right position, the second adjusting screw 381 is adjusted; when the second adjusting screw 381 is unscrewed, the groove 383 of the second sliding seat 382 can move up and down relative to the second adjusting screw 381, so as to adjust the height between the second sliding seat 382 and the rotor driving component 36 on the upper surface of the second sliding seat 382 relative to the lower tool apron 351, and after the height is adjusted to a proper position, the second adjusting screw 381 is screwed down to fix the position of the second sliding seat 382; the height of the rotor driving assembly 36 relative to the lower tool base 351 is adjusted through the second height adjusting assembly 38, the height of the lower tool base 351 and the rotor driving assembly 36 are adjusted through the first height adjusting assembly, so that the distance between the upper hob 32 and the lower hob 352 can be adjusted to adapt to rotor shafts of different models, and the application range is wide.

The belt transmission device 332 comprises a rotating shaft 333, a driving wheel 334, a driven wheel 335 and a transmission belt 336, wherein the driving wheel 334 is connected with the shaft end of the driving motor 331, one end of the rotating shaft 333 is connected with the driven wheel 335, the other end of the rotating shaft 333 is connected with the input end of a speed reducer 337, the transmission belt 336 is sleeved between the driving wheel 334 and the driven wheel 335, and the driving motor 331 drives the rotating shaft 333 to rotate through the driving wheel 334, the transmission belt 336 and the driven wheel 335; the driving motor 331 drives the driving wheel 334 to rotate, the driven wheel 335 and the driving wheel 334 synchronously rotate through the transmission belt 336, and the rotating shaft 333 rotates along with the rotation of the driven wheel 335; reduction gear 337 can increase the moment of torsion to increased power, transmitted power to last hobbing cutter 32 through second connecting rod 343, made the power grow of last hobbing cutter 32 lateral shifting, and then more be favorable to the annular knurl operation.

An upper cutter holder 345 for connecting the upper cutter 32 is fixedly arranged at the lower side of the second connecting rod 343, the upper cutter 32 is connected to the front side of the upper cutter holder 345, a transverse guide rail for the upper cutter holder 345 to transversely move is arranged on the mounting frame 31, a sliding groove is arranged at the rear side of the upper cutter holder 345 and matched with the transverse guide rail, and the upper cutter holder 345 and the upper cutter 32 can transversely move on the transverse guide rail through the sliding groove; so that the upper knife holder 345 with the upper roller knife 32 moves more smoothly on the transverse guide rail on the mounting frame 31.

The mounting frame 31 comprises a left bracket 311, a middle support plate 312 and a right bracket 313, the second connecting rod 343 is mounted on the left bracket 311 in a penetrating manner, the second connecting rod 343 and the upper roller cutter 32 can move transversely on the left bracket 311, and the speed reducer 337 is mounted on the right bracket 313.

The first support plate 362 and the second support plate 365 are both provided with a proximity sensor 363 for sensing the arrival of the transverse sliding seat 367; a microprocessor (as a control module, a single-chip processor, not shown) is also provided in the mechanism, and the microprocessor can collect approach signals of the transverse sliding seat 367 (position when approaching is sensed by the approach sensor 363, not shown).

The worm fastening mechanism 60 comprises a pre-tightening component 61 for pre-tightening the worm on the rotor and a fastening component 65 for pulling the worm to the knurled part of the rotor shaft, wherein the pre-tightening component 61 and the fastening component 65 are arranged side by side; the pretensioning assembly 61 comprises a first bracket 62, a first downward pressure drive 64 for embedding in and applying downward pressure to the worm, and a first pretensioning drive 63 for pulling the worm to pretension the worm on the rotor shaft; the first pre-tensioning drive 63 is mounted on the first bracket 62, the first push-down drive 64 is mounted on the first pre-tensioning drive 63; the fastening assembly 65 comprises a second bracket 66, a second push-down drive 68 for holding the worm and applying a downward pressure on the worm, and a second pull drive 67 for pulling the worm to fully fasten the worm to the rotor shaft, the second pull drive 67 being mounted on the second bracket 66, the second push-down drive 68 being mounted on the second pull drive 67.

The first pre-tensioning driving device 63 comprises a first pre-tensioning driving cylinder 631 and a first support 632 for supporting the end of the rotor worm, the first pre-tensioning driving cylinder 631 is longitudinally mounted on the first bracket 62, the first support 632 is slidably located on the first bracket 62, the shaft end of the first pre-tensioning driving cylinder 631 is connected with the first support 632, and the first pre-tensioning driving cylinder 631 drives the first support 632 to move on the first bracket 62; the first push-down driving means 64 includes a first push-down driving cylinder 641 and a first slider 642; the first downward-pressing driving cylinder 641 is vertically installed on the first support 632, the first slider 642 is slidably located on the first support 632, a shaft end of the first downward-pressing driving cylinder 641 is connected with the first slider 642, and the first downward-pressing driving cylinder 641 drives the first slider 642 to vertically move on the first support 632; the lower surface of the first sliding block 642 is provided with a rubber pulling block 645, and the rubber pulling block 645 is matched with the worm on the first support 632; the second pulling driving device 67 comprises a second pulling driving cylinder 671 and a second support 672 for supporting the end of the worm of the rotor, the second pulling driving cylinder 671 is longitudinally mounted on the second bracket 66, the second support 672 is slidably located on the second bracket 66, the shaft end of the second pulling driving cylinder 671 is connected with the second support 672, and the second pulling driving cylinder 671 drives the second support 672 to move on the second bracket 66; the second downward driving mechanism 68 includes a second downward driving cylinder 681 and a second slide block 682, the second downward driving cylinder 681 is vertically mounted on the second support 672, the second slide block 682 is slidably located on the second support 672, the shaft end of the second downward driving cylinder 681 is connected with the second slide block 682, and the second downward driving cylinder 681 drives the second slide block 682 to vertically move on the second support 672; the second slide 682 corresponds to the second seat 672 to secure the worm completely to the rotor shaft; the lower end of the second sliding block 682 is provided with a pulling plate 683 for pulling the worm, the pulling plate 683 is provided with a groove 684, the pulling plate 683 abuts against the end of the worm to pull the worm to the knurled part of the rotor shaft, the second downward pressing driving cylinder 681 drives the groove 684 on the second sliding block 682 to move downwards and be clamped between the rotor and the worm, the second pulling driving cylinder 671 drives the second support 672 to move backwards, and the second support 672 moves backwards to drive the groove 684 on the second sliding block 682 to pull the worm to move backwards so as to fasten the worm on the rotor; specifically, a first downward pressing driving cylinder 641 of the pre-tightening assembly 61 drives a first sliding block 642 to descend, a rubber pull block 645 on the first sliding block 642 is matched with a worm on a first sliding seat, the first downward pressing driving cylinder 641 drives the rubber pull block 645 on the first sliding block 642 to press downward to be attached to the worm, a first pre-pressing driving cylinder 631 drives the first sliding seat to move backward, the first sliding seat moves backward to drive the rubber pull block 645 on the first sliding block 642 and the worm to move backward to pull out a certain interval between the end of the rotor and the worm; the synchronous material moving mechanism 50 moves the rotor worm to the right, the shaft end of the rotor is supported on the second sliding seat, the second downward pressing driving cylinder 681 of the fastening assembly 65 drives the groove 684 on the second sliding block 682 to move downwards and be clamped between the rotor and the worm, the second pulling driving cylinder 671 drives the second sliding seat to move backwards, and the second sliding seat moves backwards to drive the groove 684 on the second sliding block 682 to pull the worm to move backwards so as to fasten the worm on the rotor; the worm is axially pulled back and forth twice through the pre-tightening component 61 and the fastening component 65, and the worm is tightly mounted at the end of the rotor shaft, so that the mounting stability of the worm is improved, the integral structure of a product is firmer, and the operation is more stable; the rubber pulling block 645 is embedded with the worm, the worm is pre-fastened on the rotor shaft, the rubber pulling block 645 has certain elasticity, the phenomenon that the worm is damaged in the process of pulling the worm is avoided, the defective rate is reduced, and the assembling efficiency is improved.

The rubber pulling block 645 is provided with a plurality of embedding grooves (not shown) for embedding the worm, the embedding grooves correspond to the thread walls of the worm, and the thread walls of the worm are embedded into the embedding grooves of the rubber pulling block 645; therefore, the rubber pulling block 645 is embedded with the worm more tightly, and the pulling effect of the rubber pulling block 645 on the worm is enhanced

The first support block 632 and the second support block 672 are respectively provided with a support block 633 for supporting the worm, the upper surface of the support block 633 is provided with a support groove 634 for placing the worm, the rubber pull block 645 can be vertically movably positioned above the support groove 634 of the first support block 632, and the groove 684 of the second slide block 682 can be vertically movably positioned above the support groove 634 of the second support block 672; the position of the worm on the second support 672 is further defined by the support groove 634, preventing the worm from being misaligned.

The first bracket 62 is provided with a first proximity sensor 621 for sensing the arrival of the first support 632; a second proximity sensor 661 for sensing the arrival of the second support 672 is provided on the second bracket 66; a microprocessor (as a control module, a single-chip processor, not shown) is also provided in the mechanism and can collect the approach signals of the first support 632 and the second support 672 (signals sensed by the first proximity sensor 621 and the second proximity sensor 661, not shown).

A first limit rod 622 for limiting the backward moving position of the first support 632 is arranged beside the first proximity sensor 621, the first pre-tensioning driving cylinder 631 drives the first support 632 to move backward, and the first support 632 moves backward to abut against the limit rod; a second limit rod 662 used for limiting the backward movement position of the second support 672 is arranged beside the second proximity sensor 661, the second pulling driving cylinder 671 drives the second support 672 to move backward, and the second support 672 moves backward to abut against the limit rod; the first limit stop 622 defines the maximum position of the backward movement of the first abutment 632, pre-tightening the worm on the rotor shaft; the second stopper 662 limits the maximum position of the second holder 672 moving backward, and fastens the worm on the rotor shaft, thereby improving the accuracy of the pulling position, enhancing the worm fastening effect, and reducing the defective rate.

The first sliding block 642 comprises a first vertical sliding portion 643 and a first transverse connecting portion 644, the first vertical sliding portion 643 is slidably located on the first support 632, the shaft end of the first downward pressing driving cylinder 641 is connected with the first transverse connecting portion 644, and the rubber pulling block 645 is disposed on the lower surface of the first transverse connecting portion 644; the second slider 682 includes a second vertical sliding portion 685 and a second transverse connecting portion 686, the second vertical sliding portion 685 is slidably located on the second support 672, the shaft end of the second push-down driving cylinder 681 is connected with the second transverse connecting portion 686, and the groove 684 is disposed on the lower surface of the second transverse connecting portion 686; therefore, the structure is more compact, and the occupied area of the field is reduced.

The synchronous material moving mechanism 50 comprises a support frame 51, a fixed material placing plate 52, a lifting driving assembly 53 and a transverse driving assembly 54, wherein the fixed material placing plate 52 is installed on the support frame 51, the lifting driving assembly 53 comprises a lifting driving cylinder 531 and a lifting plate 532, the lifting driving cylinder 531 is vertically installed on the support frame 51, the shaft end of the lifting driving cylinder 531 is connected with the lifting plate 532, and the lifting driving cylinder 531 drives the lifting plate 532 to move up and down relative to the support frame 51; the transverse driving assembly 54 comprises a transverse driving cylinder 541 and a transverse sliding plate 542, the transverse driving cylinder 541 is installed on the lifting plate 532, the transverse sliding plate 542 is movably positioned on the supporting frame 51, the shaft end of the transverse driving cylinder 541 is connected with the transverse sliding plate 542, and the transverse driving cylinder 541 drives the transverse sliding plate 542 to transversely move relative to the lifting plate 532 and the supporting frame 51; a plurality of discharging slots 521 are arranged on the fixed discharging plate 52 at intervals, a plurality of discharging seats 543368 are arranged on the transverse sliding plate 542 at intervals, the discharging seats 543368 correspond to the discharging slots 521 one by one, the discharging seat 543368 is driven by the lifting driving cylinder 531 to ascend relative to the discharging slots 521, and the discharging seat 543368 is driven by the transverse driving cylinder 541 to transversely move to the position of the adjacent discharging slot 521 relative to the discharging slot 521; specifically, the lifting driving cylinder 531 drives the lifting plate 532 to ascend, and at the moment, the transverse driving cylinder 541 and the transverse sliding plate 542 ascend along with the ascending of the lifting plate 532, so that the rotor placed on the discharging seat 543368 is lifted from the discharging groove 521; the transverse driving cylinder 541 drives the transverse sliding plate 542 to move rightwards, the rotor is moved to the upper side of the discharging groove 521 adjacent to the right side, the lifting driving cylinder 531 drives the lifting plate 532 to descend, the rotor descends to the same horizontal plane of the discharging seat 543368 and the discharging groove 521, and transverse synchronous movement of the rotor is achieved.

The feeding transfer mechanism 20 and the discharging transfer mechanism 40 each comprise a mounting frame, a longitudinal driving assembly 42, a vertical driving assembly 44 and a clamping cylinder 45, wherein the longitudinal driving assembly 42 comprises a longitudinal driving device 43 and a longitudinal sliding seat 432, the longitudinal driving device 43 is mounted on the mounting frame, the longitudinal sliding seat 432 is slidably located on the mounting frame, the longitudinal driving device 43 is connected with the longitudinal sliding seat 432, and the longitudinal driving device 43 drives the longitudinal sliding seat 432 to longitudinally move on the mounting frame; the vertical driving assembly 44 comprises a vertical driving cylinder 441 and a vertical sliding block 442, the vertical driving cylinder 441 is mounted on the longitudinal sliding base 432, the vertical sliding block 442 is slidably located on the longitudinal sliding base 432, the shaft end of the vertical driving cylinder 441 is connected with the vertical sliding block 442, the vertical driving cylinder 441 drives the vertical sliding block 442 to move up and down on the longitudinal sliding base 432, and the clamping cylinder 45 is fixedly mounted on the vertical sliding block 442; the vertical driving assembly 44 drives the clamping cylinder 45 to vertically move, and the vertical driving assembly 42 drives the vertical driving assembly 44 and the clamping cylinder 45 to longitudinally move, so that the materials are transferred; the longitudinal driving device 43 comprises a longitudinal driving motor 431 and a longitudinal ball screw (not shown), the longitudinal driving motor 431 is mounted on the mounting frame, the longitudinal ball screw is positioned on the mounting frame, the shaft end of the longitudinal driving motor 431 is connected with the longitudinal ball screw, the longitudinal ball screw is connected with a longitudinal sliding seat 432, the longitudinal driving motor 431 drives the longitudinal ball screw to rotate, and the longitudinal ball screw rotates to drive the longitudinal sliding seat 432 to move longitudinally on the mounting frame; the use of the longitudinal drive motor 431 and the longitudinal ball screw to provide the driving force improves the accuracy and stability of the transfer process.

The discharging turnover mechanism 70 comprises a mounting frame 71, a longitudinal driving assembly 72, a vertical driving assembly 73, a turnover cylinder and a clamping cylinder 734, wherein the longitudinal driving assembly 72 comprises a longitudinal driving cylinder 721 and a longitudinal sliding seat 722, the longitudinal driving cylinder 721 is mounted on the mounting frame 71, the longitudinal sliding seat 722 is slidably located on the mounting frame 71, the shaft end of the longitudinal driving cylinder 721 is connected with the longitudinal sliding seat 722, and the longitudinal driving cylinder 721 drives the longitudinal sliding seat 722 to longitudinally move on the mounting frame 71; the vertical driving assembly 73 comprises a vertical driving air cylinder 731 and a vertical sliding block 732, the vertical driving air cylinder 731 is installed on the vertical sliding seat 722, the vertical sliding block 732 is slidably located on the vertical sliding seat 722, the shaft end of the vertical driving air cylinder 731 is connected with the vertical sliding block 732, and the vertical driving air cylinder 731 drives the vertical sliding block 732 to vertically move on the vertical sliding seat 722; the overturning cylinder is tightly mounted on the vertical slider 732 of the vertical slider, and the clamping cylinder 734 is mounted at the output end of the overturning cylinder; the overturning cylinder drives the clamping cylinder 734 to overturn so as to meet the requirements on the material moving position and angle, and the vertical driving assembly 73 drives the overturning cylinder and the clamping cylinder 734 to vertically move together; the vertical driving assembly 73, the overturning air cylinder and the clamping air cylinder 734 are driven by the longitudinal driving assembly 72 to move longitudinally together, so that the requirements of overturning, vertically and longitudinally transferring and discharging materials are met, and the automation degree is high.

The fastening method of the rotor worm fastening device comprises the following steps:

firstly, feeding materials by a rotor (a worm is sleeved on a rotor shaft);

secondly, the feeding transfer mechanism transfers the rotor clamp to the transverse sliding seat of the knurling mechanism;

thirdly, the transverse sliding seat is tightly propped and fixed on the second support plate by the first air cylinder;

fourth, the upper hob drive component drives the upper hob to roll on the rotor shaft end to form knurls (the distance between the upper hob and the lower hob can be adjusted in advance)

The fifth cylinder and the second cylinder push the transverse sliding seat to the first support plate;

sixthly, the discharging transfer mechanism clamps and transfers the knurled rotor to the synchronous material transfer mechanism;

seventhly, the knurled rotor is transferred to the right side by the synchronous material transferring mechanism;

eighthly, the worm fastening mechanism performs pre-tightening and further abutting operation on the worm on the rotor to fasten the worm at the end of the rotor shaft;

and ninthly, discharging after the rotor is turned by the discharging turning mechanism.

The design of the invention is mainly;

firstly, through the automatic operation of feeding transfer, knurling, worm fastening and discharging of the rotor, a large amount of manual labor is saved, the production efficiency is improved, and the production cost is reduced;

secondly, an upper hob driving assembly is adopted to drive an upper hob to transversely move relative to a lower hob, so that knurling operation on the shaft end of the rotor is formed, the whole structure is simple and compact, and automation is achieved; the distance between the upper hob and the lower hob can be adjusted to adapt to rotor shafts of different models, and the application range is wide;

and thirdly, the worm is axially pulled twice in the front and back direction by adopting the pre-tightening assembly and the fastening assembly, and the worm is tightly mounted at the end of the rotor shaft, so that the mounting stability of the worm is improved, the integral structure of the product is firmer, and the operation is more stable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (10)

1. A rotor worm fastening device comprises a rack, wherein a rotor is provided with a rotor shaft, and a worm is sleeved on the rotor shaft, and the rotor worm fastening device is characterized by further comprising a feeding transfer mechanism for clamping the rotor to feed, a knurling mechanism for knurling the end of the rotor shaft transmitted by the feeding transfer mechanism, a discharging transfer mechanism for transferring and discharging the rotor worm which is knurled on the knurling mechanism, a synchronous material moving mechanism for receiving and moving the rotor worm transferred by the discharging transfer mechanism, a worm fastening mechanism for fastening the worm on the synchronous material moving mechanism on the knurling part of the rotor shaft, and a discharging turnover mechanism for transferring and discharging the rotor worm on the synchronous material moving mechanism; the machine frame is provided with a workbench for installing the mechanisms, the discharge transfer mechanism, the worm fastening mechanism and the discharge turnover mechanism are sequentially arranged beside the synchronous material moving mechanism, and the discharge transfer mechanism is connected between the knurling mechanism and the synchronous material moving mechanism.

2. The rotor worm fastening apparatus of claim 1, characterized in that: the knurling mechanism comprises a mounting frame, an upper hob driving assembly, a lower hob assembly and a rotor driving assembly; the upper hob driving assembly comprises a driving motor, a belt transmission device, a speed reducer, a rotary table, a first connecting rod and a second connecting rod, wherein the speed reducer is installed on the installation frame, the output end of the belt transmission device is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the rotary table, a rocker arm is tightly arranged at a position, far away from an axis center, of the rotary table, the rocker arm is hinged with the first connecting rod, the first connecting rod is hinged with the second connecting rod, the upper hob can be transversely movably installed on the installation frame, the upper hob is fixedly connected with the second connecting rod, the second connecting rod can be transversely movably positioned on the installation frame, the belt transmission device drives the rotary table to rotate through the speed reducer, and the rotary table rotates to drive the second connecting rod and the upper hob to transversely move; the lower hob assembly comprises a lower hob base and a lower hob which is fixedly arranged on the lower hob base, and the upper hob can be transversely and movably positioned above the lower hob; the rotor driving component comprises a supporting seat, a first supporting plate, a first cylinder, a second supporting plate, a second cylinder and a transverse sliding seat for placing a rotor worm, wherein the supporting seat can be vertically movably positioned on a lower cutter seat, the first supporting plate and the second supporting plate are respectively vertically arranged on two sides of the supporting seat, the first cylinder is arranged on one side, close to the first supporting plate, of the supporting seat, the second cylinder is arranged on one side, close to the second supporting plate, of the supporting seat, the transverse sliding seat is transversely and slidably positioned on the supporting seat, the shaft end of the first cylinder can drive the transverse sliding seat to transversely move to abut against the second supporting plate for abutting against the transverse sliding seat to perform knurling, the shaft end of the second cylinder can drive the transverse sliding seat to transversely move to abut against the first supporting plate for pushing the knurled rotor to the other side to prepare discharging, and the shaft end of the rotor on the transverse sliding seat can be positioned between, the lower hob transversely moves to penetrate through the lower hob.

3. The rotor worm fastening apparatus of claim 2, characterized in that: the knurling mechanism further comprises a first adjusting screw rod for adjusting the height of the lower tool apron and a second height adjusting assembly for adjusting the height of the rotor driving assembly, the lower tool apron can be vertically movably positioned on the mounting frame, the first adjusting screw rod is connected with the lower tool apron, and the first adjusting screw rod drives the lower tool apron to vertically move; the second height adjusting assembly comprises a second adjusting screw and a second sliding seat, a groove for the second adjusting screw to penetrate through is formed in the second sliding seat, the second sliding seat can move up and down relative to the second adjusting screw, the second adjusting screw penetrates through the groove and is connected with the lower tool apron, and the second adjusting screw enables the second sliding seat to be fixed or loosened relative to the lower tool apron.

4. The rotor worm fastening apparatus of claim 1, characterized in that: the worm fastening mechanism comprises a pre-tightening assembly and a fastening assembly, wherein the pre-tightening assembly is used for pre-tightening a worm on the rotor, the fastening assembly is used for pulling the worm to a knurled part of the rotor shaft, and the pre-tightening assembly and the fastening assembly are arranged side by side; the pre-tightening assembly comprises a first bracket, a first downward pressing driving device and a first pre-tightening driving device, wherein the first downward pressing driving device is used for being embedded into the worm and applying downward pressure to the worm, and the first pre-tightening driving device is used for pulling the worm to pre-tighten the worm on the rotor shaft; the first pre-tensioning driving device is arranged on the first bracket, and the first downward pressing driving device is arranged on the first pre-tensioning driving device; the fastening assembly comprises a second bracket, a second pressing driving device used for clamping the worm and applying downward pressure to the worm, and a second pulling driving device used for pulling the worm to completely fasten the worm on the rotor shaft, wherein the second pulling driving device is arranged on the second bracket, and the second pressing driving device is arranged on the second pulling driving device.

5. The rotor worm fastening apparatus of claim 4, wherein: the first pre-tensioning driving device comprises a first pre-tensioning driving cylinder and a first support used for supporting the end part of the rotor worm, the first pre-tensioning driving cylinder is longitudinally arranged on a first support, the first support is slidably arranged on the first support, the shaft end of the first pre-tensioning driving cylinder is connected with the first support, and the first pre-tensioning driving cylinder drives the first support to move on the first support; the first downward pressing driving device comprises a first downward pressing driving cylinder and a first sliding block; the first downward pressing driving cylinder is vertically arranged on the first support, the first sliding block is slidably positioned on the first support, the shaft end of the first downward pressing driving cylinder is connected with the first sliding block, and the first downward pressing driving cylinder drives the first sliding block to vertically move on the first support; the lower surface of the first sliding block is provided with a rubber pulling block which is matched with the worm on the first support; the second pulling driving device comprises a second pulling driving cylinder and a second support used for supporting the end part of the rotor worm, the second pulling driving cylinder is longitudinally arranged on a second support, the second support is slidably arranged on the second support, the shaft end of the second pulling driving cylinder is connected with the second support, and the second pulling driving cylinder drives the second support to move on the second support; the second downward pressing driving device comprises a second downward pressing driving air cylinder and a second sliding block, the second downward pressing driving air cylinder is vertically installed on the second support, the second sliding block is slidably located on the second support, the shaft end of the second downward pressing driving air cylinder is connected with the second sliding block, and the second downward pressing driving air cylinder drives the second sliding block to vertically move on the second support; the second slide corresponds to the second seat to mount the worm screw completely and tightly on the rotor shaft.

6. The rotor worm fastening apparatus of claim 5, characterized in that: the lower end of the second sliding block is provided with a pulling plate for pulling the worm, a groove is formed in the pulling plate, the pulling plate abuts against the end of the worm to pull the worm to a knurled part of the rotor shaft, the second downward pressing driving cylinder drives the groove in the second sliding block to move downwards and be clamped between the rotor and the worm, the second pulling driving cylinder drives the second support to move backwards, and the second support moves backwards to drive the groove in the second sliding block to pull the worm to move backwards so as to fasten the worm on the rotor.

7. The rotor worm fastening apparatus of claim 1, characterized in that: the synchronous material moving mechanism comprises a support frame, a fixed material placing plate, a lifting driving assembly and a transverse driving assembly, wherein the fixed material placing plate is installed on the support frame, the lifting driving assembly comprises a lifting driving cylinder and a lifting plate, the lifting driving cylinder is vertically installed on the support frame, the shaft end of the lifting driving cylinder is connected with the lifting plate, and the lifting driving cylinder drives the lifting plate to move up and down relative to the support frame; the transverse driving assembly comprises a transverse driving cylinder and a transverse sliding plate, the transverse driving cylinder is mounted on the lifting plate, the transverse sliding plate is movably positioned on the supporting frame, the shaft end of the transverse driving cylinder is connected with the transverse sliding plate, and the transverse driving cylinder drives the transverse sliding plate to transversely move relative to the lifting plate and the supporting frame; the spaced a plurality of blowing grooves that are provided with on the above-mentioned fixed blowing board, the spaced a plurality of blowing seats that are provided with on this transverse sliding plate, this blowing seat and blowing groove one-to-one, this blowing seat rises for the blowing groove under the drive of driving actuating cylinder in the lift, this blowing seat is relative to blowing groove lateral shifting to adjacent blowing groove position department under the drive of transversely driving actuating cylinder.

8. The rotor worm fastening apparatus of claim 2, characterized in that: the utility model discloses a hobbing cutter, including first connecting rod, second connecting rod, last hobbing cutter, mounting bracket, second connecting rod downside fastening is provided with and is used for connecting the last blade holder of last hobbing cutter, should go up the hobbing cutter and connect the front side in last blade holder, be provided with the transverse guide who is used for supplying blade holder lateral shifting on the mounting bracket, the rear side of going up the blade holder is provided with the spout, and this spout and transverse guide phase-match, this last blade holder and last hobbing cutter pass through the spout and can lateral shifting on transverse guide.

9. The rotor worm fastening apparatus of claim 2, characterized in that: and the first support plate and the second support plate are both provided with a proximity sensor for sensing the arrival of the transverse sliding seat.

10. A fastening method of a rotor worm fastening device according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

firstly, feeding materials by a rotor (a worm is sleeved on a rotor shaft);

secondly, the feeding transfer mechanism transfers the rotor clamp to the transverse sliding seat of the knurling mechanism;

thirdly, the transverse sliding seat is tightly propped and fixed on the second support plate by the first air cylinder;

fourth, the upper hob drive component drives the upper hob to roll on the rotor shaft end to form knurls (the distance between the upper hob and the lower hob can be adjusted in advance)

The fifth cylinder and the second cylinder push the transverse sliding seat to the first support plate;

sixthly, the discharging transfer mechanism clamps and transfers the knurled rotor to the synchronous material transfer mechanism;

seventhly, the knurled rotor is transferred to the right side by the synchronous material transferring mechanism;

eighthly, the worm fastening mechanism performs pre-tightening and further abutting operation on the worm on the rotor to fasten the worm at the end of the rotor shaft;

and ninthly, discharging after the rotor is turned by the discharging turning mechanism.

Images