CN109277834B

CN109277834B - Automatic change axle piece processing equipment

Info

Publication number: CN109277834B
Application number: CN201811249776.1A
Authority: CN
Inventors: 张瑜
Original assignee: Taizhou Yijie Cnc Machine Tool Co ltd
Current assignee: Taizhou Yijie Cnc Machine Tool Co ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2020-04-07
Anticipated expiration: 2038-10-25
Also published as: CN109277834A

Abstract

The invention relates to the field of shaft machining, and discloses automatic shaft machining equipment which comprises a milling mechanism, a turning mechanism, a feeding assembly and a discharging assembly, wherein the feeding assembly is connected with the milling mechanism; the feeding assembly conveys the shaft to the milling mechanism, the milling mechanism simultaneously turns two ends of the shaft, one end of the shaft far away from the turning mechanism is milled with a top pinhole, then the shaft is transferred to the turning mechanism, the middle section of the shaft is processed, and finally the shaft is taken out of the turning mechanism through the discharging assembly, so that complete processing of the shaft is realized.

Description

Automatic change axle piece processing equipment

Technical Field

The invention relates to the field of shaft part machining, in particular to automatic shaft part machining equipment.

Background

A shaft, a mechanical part that supports and rotates with the rotating part to transmit motion, torque or bending moment. The shaft is generally in the shape of a metal round bar, and each section can have different diameters to form a stepped shaft.

The existing spindle comprises a left shaft part, a middle shaft part and a right shaft part, wherein a first connecting shaft part is arranged between the left shaft part and the middle shaft part, a second connecting shaft part is arranged between the middle shaft part and the right shaft part, and the diameters of the shaft parts are smaller than those of the first connecting shaft part and the second connecting shaft part; when the main shaft needs to be machined, the shaft piece needs to be clamped on a lathe to be machined into the left shaft portion and the first connecting shaft portion, then the left shaft portion is clamped on the lathe to be machined into the right shaft portion and the second connecting shaft portion, and finally the shaft piece is transferred to the middle shaft portion of the milling machine.

In the above-mentioned prior art, when the spindle is machined, the complete machining of the shaft element is realized by changing the clamping position of the shaft element three times, and the process of clamping the shaft element consumes a lot of time, which reduces the machining efficiency and has the disadvantage of waiting for improvement.

Disclosure of Invention

The invention aims to provide automatic shaft machining equipment, wherein a middle driving main shaft is clamped at the middle end of a shaft and drives the shaft to rotate, two ends of the shaft are milled simultaneously, the shaft is automatically clamped and taken through an electric main shaft, and the middle section of the shaft is machined, so that the clamping times of the shaft are reduced, and the machining efficiency is improved.

The technical purpose of the invention is realized by the following technical scheme:

an automatic shaft machining device comprises a milling mechanism for machining two ends of a shaft, wherein the milling mechanism comprises a rack, a left cutter tower, a middle driving main shaft and a right cutter tower, and a driving assembly for driving the left cutter tower or the right cutter tower to feed or withdraw, wherein the left cutter tower, the middle driving main shaft and the right cutter tower are sequentially arranged on the rack in the horizontal direction;

the drive assembly includes that set up spacing rail in the frame, slide and set up the seat of sliding on spacing rail and be used for the mounting panel of fixed left sword tower or right sword tower along the horizontal direction, the mounting panel slides along vertical direction and sets up, be provided with in the frame and be used for the drive to slide the power component one that the seat removed, it is provided with the power component two that is used for driving the mounting panel removal to slide on the seat.

Through adopting above-mentioned technical scheme, left tool turret has set gradually in the frame, well main shaft and the right tool turret of driving, in being fixed in well main shaft that drives with the axle piece grafting, well main shaft centre gripping fixed axle's interlude drives, and drive the axle piece through well main shaft that drives and rotate around its axis, then drive left tool turret and right tool turret removal through power component one and power component two among the drive assembly, carry out lathe work to the both ends of axle piece simultaneously, and left tool turret can mill out the top pinhole to the left end of axle piece simultaneously, through once pressing from both sides dress axle piece, accomplish the lathe work of the turning at both ends and milling of top pinhole and beat, the machining efficiency of axle piece has been promoted, and axle piece both ends simultaneous processing, the benchmark of both ends processing is completely the same, the axiality after having promoted both ends processing, and then the machining precision after having promoted axle piece processing.

The invention is further configured to: a turning mechanism is arranged on the rack and positioned on the right side of the right tool turret, the turning mechanism comprises a turning tool turret and a positioning mechanism for positioning a shaft piece, and the driving assembly is arranged between the rack and the turning tool turret;

the positioning mechanism comprises an electric main shaft and a tailstock, the electric main shaft and the tailstock are arranged at two ends of the shaft piece in a limiting mode, a track is arranged on the rack and located between the electric main shaft and the central driving main shaft, the electric main shaft is arranged on the track in a sliding mode, and the tailstock is arranged on the rack in a telescopic sliding mode.

By adopting the technical scheme, after the turning at both ends is completed, the electric spindle slides on the fixed track, until one end of the shaft piece is inserted into the electric spindle, the electric spindle clamps the right end of the fixed shaft piece, the middle driving spindle loosens the clamping of the shaft piece, the electric spindle slides again to draw out the shaft piece, the electric spindle moves through the tailstock, the tailstock stretches out to the ejector pin and aligns with the ejector pin hole, then the electric spindle moves again to enable the tailstock to abut against the left end of the limited shaft piece, the shaft piece is driven to rotate around the axis through the electric spindle, and the middle section of the shaft piece is processed by controlling the turning turret to move through the driving assembly, so that the problem that multiple lathe machining shaft pieces need to be replaced is solved, and the purpose of the complete machining efficiency of the shaft piece is further improved.

The invention is further configured to: the tailstock comprises a limiting seat and a thimble, the limiting seat is slidably embedded in the sliding groove, the thimble is used for abutting against the shaft piece, and the thimble is arranged in the limiting seat in a telescopic mode along the axis direction of the shaft piece.

Through adopting above-mentioned technical scheme, during spacing seat inlays and locates the spout in the tailstock, the slip direction of spacing seat has been injectd to the spout, and spacing seat slides to the thimble hole alignment of thimble and axle piece, and then the thimble stretches out the butt in the thimble hole, and thimble volume and weight all are less than the electricity main shaft, and the moving speed of thimble and the kinetic energy of consumption all are less than the electricity main shaft, have promoted the positioning speed to the axle piece, and then promote the holistic machining efficiency of axle piece.

The invention is further configured to: the track is including setting up guide rail seat and a pair of guide rail that sets up on the guide rail seat on the base, be provided with the backup pad that is used for supporting electric main shaft on the guide rail, just be located and be provided with the screw rod between the guide rail on the guide rail seat, the lower extreme of backup pad is provided with the connecting block that the screw rod was located to the screw thread cover, be provided with driving screw pivoted motor three on the guide rail seat.

Through adopting above-mentioned technical scheme, the track includes the base to on parallel arrangement's guide rail was erect to the backup pad on the base, promote backup pad gliding stability on the track, starter motor three, the screw rod rotates the connecting block removal that drives the backup pad lower extreme, the connecting block removes along the axis direction of screw rod, and then the realization drives the removal of electric main shaft in the backup pad, accelerate the removal efficiency of electric main shaft, and then promote the electric main shaft clamp and get the stability of axle piece and the efficiency of the whole processing of axle piece.

The invention is further configured to: the rack is provided with a first support and a second support, the first power assembly comprises a first lead screw and a first motor, the first lead screw extends along the horizontal direction and is arranged at one end of the first lead screw, two ends of the first lead screw are respectively arranged on the first support and the second support in a rotating mode, the first motor is fixed on the first support, and a first transmission block is fixed on the sliding seat and sleeved with a thread on the lead screw.

Through adopting above-mentioned technical scheme, on support one and support two were fixed in the frame, the realization was to the stable support of lead screw one, starter motor one, lead screw one rotated, and screw-thread fit between conveying piece one on the seat that slides and the lead screw one for the transmission piece drives the removal of seat that slides in the horizontal direction, and then controls the turning length to the axis direction of shaft spare and the degree of depth of beating to the milling of shaft spare thimble hole.

The invention is further configured to: the slide has been seted up along vertical direction on the seat of sliding, be fixed with on the mounting panel to slide and inlay the drive block two of locating in the slide, power component two includes along vertical direction sets up two and be fixed in two pivoted motors of drive lead screw of the seat upper end of sliding in the lead screw two in the slide, two thread bush of drive block are located on the lead screw two.

Through adopting above-mentioned technical scheme, two sliding inlays of transmission piece in the mounting panel are located in the slide, and motor two is fixed in the upper end of the seat that slides, and starter motor two drives two rotations of lead screw, and then drives two drive installation of transmission piece and slide along vertical direction, realizes the radial depth of cut of control counter shaft spare.

The invention is further configured to: the device also comprises a feeding mechanism, a conveying mechanism and a feeding mechanism, wherein the feeding mechanism is used for storing and ejecting the shaft pieces with fixed lengths one by one according to the process of processing the shaft pieces;

the feeding mechanism comprises a lifting frame arranged on the rack, a receiving hopper for receiving the shaft piece and a pushing cylinder for pushing the shaft piece to enter the middle driving main shaft, and the lifting frame supports the pushing cylinder to vertically lift up and down with the receiving hopper;

conveying mechanism includes the carriage, sets up the conveyer material on the carriage and says and set up conveyer belt on the carriage, the conveyer material is said and is provided with the guide board between the hopper, be provided with in the carriage and be used for promoting the rolling pushing equipment of shaft along the guide board.

Through adopting above-mentioned technical scheme, feeding mechanism is with axle propelling movement on conveying mechanism, then conveying mechanism in the conveyer belt drive axle moving in carrying the material and saying, the axle moves to the end that carries the material and say, pushing mechanism promotes the material and rolls to the guide board on, the axle rolls to feeding mechanism's the hopper that connects along the guide board, at last through the lifting frame lifting in feeding mechanism connect the hopper and push cylinder, push cylinder promotes the axle and pegs graft in well driving the main shaft, well driving main shaft centre gripping fixed axle, and then realize the automatic material loading process to the axle, promote the material loading efficiency of axle.

The invention is further configured to: the guide plate comprises a first support plate hinged to the material receiving hopper and a second support plate hinged to the material conveying channel, the first support plate and the second support plate are abutted and attached to each other, first baffles are arranged on two sides of the width direction of the first support plate, second baffles are arranged at two ends of the width direction of the second support plate, first baffles extend to form lug plates, the lug plates are abutted to one sides of the second baffles, which are back to each other, and hinge shafts are arranged between the lug plates and the second baffles.

Through adopting above-mentioned technical scheme, the articulated axis of otic placode is located the top of first extension board and second extension board for first extension board and second extension board can rotate the even butt of upper end, make the axle can be stable roll to first extension board from the second extension board on, and baffle one and baffle two avoid the axle to drop from the guide board, and then stable roll to connect the hopper in, promote the stability of material loading.

The invention is further configured to: the feeding mechanism comprises a vertical frame, a storage hopper, an end plate blocked at the tail end of the storage hopper and a material ejecting assembly; the inner chamber slope of storage hopper sets up and is fixed with the baffle in it, the bottom of baffle and the inner chamber bottom of storage hopper are provided with the interval that only supplies a shaft piece to pass through, the liftout subassembly is including sliding the kicking plate of inlaying between play hopper and end plate, articulate in the liftout pole of kicking plate, articulate in the pendulum rod of the one end of liftout pole and drive the pendulum rod and use the other end to be centre of a circle pivoted driving motor, and wherein the rotation plane of pendulum rod and the swing plane of liftout pole all are on a parallel with the kicking plate.

By adopting the technical scheme, the storage hopper is divided into two parts by the partition plate, one part is an area for stacking the shaft parts, and the other part is an area for tiling the shaft parts, so that only one shaft part falling into the top of the ejector plate is ensured; the ejection mode is that the motor drives the swing rod to rotate, the ejector rod rotates along with the end part of the swing rod and drives the ejector plate to periodically move up and down, and therefore the shaft pieces are ejected one by one.

The invention is further configured to: and the conveying frame is provided with a limiting plate for blocking the shaft element, and one end of the conveying frame, which is close to the material ejecting assembly, extends towards the direction of the conveying belt to form a deviation rectifying plate with a guide shaft element.

By adopting the technical scheme, when the shaft element rolls off from the feeding mechanism, the limiting plate blocks the shaft element from passing through, so that the shaft element stably rolls off on the conveying belt, and the deviation correcting plate with the guide shaft element extends to the direction far away from the conveying belt at one end of the conveying channel close to the material ejecting assembly; when the shaft element slants on the conveyor belt, the conveyor belt drives the shaft element to move, the shaft element is abutted against the deviation correcting plate, and the deviation correcting plate guides the shaft element to rotate and stably enter the conveying channel.

In conclusion, the invention has the following beneficial effects:

1. the milling assembly simultaneously processes two ends of the shaft, so that the processing efficiency and the coaxiality of the shaft are improved;

2. the electric spindle moves to fix the shaft piece in a position when the shaft piece is pulled out, and then the middle section of the shaft piece is machined through the turning tool turret, so that the machining efficiency of the shaft piece is improved.

Drawings

FIG. 1 is a schematic view of an overall mechanism in the embodiment;

FIG. 2 is an exploded view of the feeding mechanism;

FIG. 3 is a schematic structural view of the ejector mechanism;

FIG. 4 is an enlarged schematic view at A in FIG. 2 for showing the connecting structure of the conveying mechanism and the feeding mechanism;

FIG. 5 is an enlarged schematic view at B of FIG. 2 for embodying the transport mechanism structure;

FIG. 6 is an enlarged schematic view at C in FIG. 1 for showing a connecting mechanism of the conveying mechanism and the feeding mechanism;

FIG. 7 is a schematic diagram for embodying a guide plate structure;

FIG. 8 is a schematic diagram for embodying the structure of the drive assembly;

fig. 9 is a schematic diagram for embodying the structure of the milling mechanism and the discharging assembly.

Reference numerals: 1. a frame; 11. a first bracket; 12. a second bracket; 13. a limit rail; 2. a feeding mechanism; 21. erecting a frame; 22. a storage hopper; 221. a frame body; 222. a base plate; 223. a bump; 224. a second adjusting lever; 225. a bucket part; 226. a side plate; 23. an end plate; 24. a partition plate; 25. a bridge portion; 26. a slide rail; 27. a slide base; 28. a fixed block; 3. a material ejecting component; 31. a material ejecting plate; 32. a lifter bar; 33. a swing rod; 34. a drive motor; 35. mounting holes; 4. a conveying mechanism; 41. a carriage; 42. a conveyor belt; 43. a material conveying channel; 44. a limiting plate; 45. a deviation rectifying plate; 46. a butt joint plate; 5. a guide plate; 51. a first support plate; 511. a first baffle plate; 52. a second support plate; 521. a second baffle plate; 53. an ear plate; 6. a material pushing mechanism; 61. a material pushing cylinder; 62. pushing the plate; 7. a feeding mechanism; 71. a lifting frame; 72. a receiving hopper; 73. a push cylinder; 8. a milling mechanism; 81. a left turret; 82. a right turret; 83. a middle driving main shaft; 9. a drive assembly; 91. a first lead screw; 92. a first motor; 93. a sliding seat; 931. a first transmission block; 932. a slideway; 94. a second screw rod; 95. a second motor; 96. mounting a plate; 961. a second transmission block; 15. a turning mechanism; 16. turning a tool turret; 17. a tailstock; 171. a limiting seat; 172. a thimble; 18. an electric spindle; 19. a track; 191. a guide rail seat; 192. a guide rail; 193. a screw; 194. a third motor; 195. a support plate; 196. connecting blocks; 20. a discharge assembly; 201. a discharge clamping jaw; 202. a discharge chute.

Detailed Description

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

As shown in fig. 1, an automatic shaft machining apparatus includes a milling mechanism 8 and a turning mechanism 15, and further includes a feeding assembly connected to the milling mechanism 8 and a discharging assembly 20 connected to the turning mechanism 15; the feeding assembly conveys the shaft to the milling mechanism 8, the milling mechanism 8 simultaneously turns two ends of the shaft, a top pinhole is milled at one end, far away from the turning mechanism 15, of the shaft, then the shaft is transferred to the turning mechanism 15, the middle section of the shaft is machined, and finally the shaft is taken out of the turning mechanism 15 through the discharging assembly 20, so that complete machining of the shaft is achieved.

As shown in fig. 1 and 2, the feeding assembly includes a feeding mechanism 2, a feeding mechanism 7 for transferring the shaft to the middle drive spindle 83, and a conveying mechanism 4 connected between the feeding mechanism 2 and the feeding mechanism 7, the feeding mechanism 2 pushes the shaft onto the conveying mechanism 4, the rear conveying mechanism 4 transports the shaft to the feeding mechanism 7, and finally the shaft is lifted by the feeding mechanism 7 and pushed to be fixed in the milling mechanism 8.

As shown in fig. 3 and 4, the feeding mechanism 2 includes a stand 21, a storage hopper 22, an end plate 23 blocking the end of the storage hopper 22, and a liftout assembly 3; the inner cavity of the storage hopper 22 is obliquely arranged and is internally fixed with a partition plate 24, the bottom end of the partition plate 24 and the bottom of the inner cavity of the storage hopper 22 are provided with an interval through which only one shaft passes, the shaft is ejected out of the containing cavity of the storage hopper 22 one by one to the top of an end plate 23 by the ejection assembly 3, and the top of the end plate 23 is provided with a bridge part 25 extending to the conveying mechanism 4 and can guide the shaft to roll down into the conveying mechanism 4.

As shown in fig. 3 and 4, the ejector assembly 3 includes an ejector plate 31 slidably embedded between the storage hopper 22 and the end plate 23, an ejector rod 32 hinged to the ejector plate 31, a swing rod 33 hinged to one end of the ejector rod 32, and a driving motor 34 for driving the swing rod 33 to rotate around the other end, wherein a rotation plane of the swing rod 33 and a swing plane of the ejector rod 32 are both parallel to the ejector plate 31, and the driving motor 34 rotates and transmits the rotation to the ejector plate 31 to move up and down periodically.

As shown in fig. 3 and 4, the top of the vertical frame 21 is provided with a slide rail 26, a slide carriage 27 slidably connected to the slide rail 26, a fixed block 28 fixed to the top frame, and a first adjusting rod rotatably connected to the slide carriage 27 and threadedly connected to the fixed block 28, the storage hopper 22 and the end plate 23 are both fixed to the slide carriage 27, and the ejector plate 31 has a plurality of mounting holes 35 penetrating through the surface thereof.

As shown in fig. 3 and 4, the storage hopper 22 includes a frame body 221 fixed to the slide carriage 27, a bottom plate 222 and a side plate 226 fixed to the frame body 221, and a hopper portion 225 mounted on the bottom plate 222; wherein the bucket part 225 is clamped between the side plates 226, the bottom of the bucket part 225 is provided with a projection 223, and a second adjusting rod 224 which is in threaded connection with the bottom plate 222 is rotatably arranged on the projection 223 in a penetrating way. After adjusting the distance between the hopper and the end plate 23, the plates may be added or subtracted through the mounting holes 35 to change the top thickness of the ejector plate 31.

As shown in fig. 1 and 4, the conveying mechanism 4 includes a conveying frame 41, a conveying material channel 43 and a conveyor belt 42 arranged in the conveying material channel 43, a limit plate 44 for blocking the shaft member is arranged on the conveying frame 41 and on a side of the conveyor belt 42 away from the material ejecting assembly 3, when the shaft member rolls off from the bridge portion 25, the limit plate 44 blocks the shaft member from passing through, so that the shaft member stably rolls off the conveyor belt 42, and a deviation correcting plate 45 (shown in fig. 5) of the guiding shaft member extends from one end of the conveying material channel 43 close to the material ejecting assembly 3 to a direction away from the conveyor belt 42; when the shaft member falls on the conveyor belt 42 in an inclined manner, the conveyor belt 42 drives the shaft member to move, the shaft member abuts against the deviation correcting plate 45, and the deviation correcting plate 45 guides the shaft member to rotate and stably enter the conveying channel 43.

As shown in fig. 6, a butt plate 46 is disposed on the conveying frame 41 and at the end of the conveying material channel 43, an interval that is longer than one shaft and shorter than two shafts is left between the conveying material channel 43 and the butt plate 46, the shaft moves on the conveyor belt 42 to butt against the butt plate 46, a pushing mechanism 6 is disposed on the conveying frame 41 and at the interval that is located on the side of the conveying material channel 43 away from the feeding mechanism 7, the pushing mechanism 6 includes a pushing cylinder 61 and a pushing plate 62 fixed at the telescopic end of the pushing cylinder 61, and a guide plate 5 connected with the feeding mechanism 7 is disposed at the interval that is close to the side of the feeding mechanism 7, the pushing cylinder 61 drives the pushing plate 62 to push the shaft to drop onto the guide plate 5, and the shaft rolls down onto the feeding mechanism 7 along the inclined direction of the guide plate 5.

As shown in fig. 6, the feeding mechanism 7 includes a lifting frame 71, a receiving hopper 72 and a pushing cylinder 73 which are arranged on the lifting frame 71, the shaft falls into the receiving hopper 72, the lifting frame 71 is lifted to the receiving hopper 72, so that the shaft is flush with the center of the driving main shaft 83, and then the pushing cylinder 73 pushes the shaft to be fixed in the milling mechanism 8, thereby realizing a complete feeding process.

As shown in fig. 7, the guide plate 5 includes a first support plate 51 hinged to the receiving hopper 72 and a second support plate 52 hinged to the conveying channel 43, the first support plate 51 and the second support plate 52 are abutted and attached to each other, first baffles 511 are arranged on two sides of the first support plate 51 in the width direction, second baffles 521 are arranged on two ends of the second support plate 52 in the width direction, lug plates 53 extend from the first baffles 511, the lug plates 53 abut against the opposite sides between the second baffles 521, and hinge shafts are arranged between the lug plates 53 and the second baffles 521; the hinge axis of the lug plate 53 is located above the first support plate 51 and the second support plate 52, so that the first support plate 51 and the second support plate 52 can rotate to abut the upper ends of the first support plate 51 and the second support plate 52 in a flush manner, the shaft can stably roll from the second support plate 52 to the first support plate 51, the first baffle 511 and the second baffle 521 avoid the shaft from falling off the guide plate 5, and then stably roll to the receiving hopper 72, and the stability of feeding is improved.

As shown in fig. 1, the milling mechanism 8 includes a frame 1, a left turret 81, a middle driving spindle, a right turret 82, and a driving assembly 9, wherein the left turret 81 and the right turret 82 are sequentially disposed on the frame 1 along a horizontal direction, the middle driving spindle and the right turret 82 are used for positioning and driving a shaft member to rotate, the driving assembly 9 is used for driving the left turret 81 and the right turret 82 to feed or retract, the driving assembly 9 includes a limiting rail 13 disposed on the frame 1 along the horizontal direction, a sliding seat 93 slidably disposed on the limiting rail 13, and a mounting plate 96 used for fixing the left turret 81 or the right turret 82, the mounting plate 96 is slidably disposed along a vertical direction, a first power assembly used for driving the sliding seat 93 to move is disposed on the frame 1, and a second power assembly used for driving the mounting; the first power assembly and the second power assembly respectively control the sliding seat 93 and the mounting plate 96 to move, the mounting plate 96 drives the left tool turret 81 or the right tool turret 82 to lift in the vertical direction, the left tool turret 81 or the right tool turret 82 is controlled to be in the radial cutting depth of the shaft, the sliding seat 93 drives the left tool turret 81 or the right tool turret 82 to slide in the horizontal direction, the left tool turret 81 or the right tool turret 82 is controlled to be in the cutting length of the length direction, a cutter is replaced by controlling the left tool turret 81, a top needle hole is milled at the left end of the shaft, and the quick milling and cutting operation at the two ends of the shaft is realized.

As shown in fig. 8, a first support 11 and a second support 12 are arranged on the frame 1, the first power assembly includes a first lead screw 91 extending in the horizontal direction and a first motor 92 arranged at one end of the first lead screw 91, two ends of the first lead screw 91 are respectively rotatably arranged on the first support 11 and the second support 12, the first motor 92 is fixed on the first support 11, a first transmission block 931 screwed on the first lead screw 91 is fixed on the sliding seat 93, and the first motor 92 drives the first lead screw 91 to rotate, so that the first transmission block 931 drives the sliding seat 93 to stably move in the horizontal direction; and the slide 932 has been seted up along vertical direction on the seat 93 that slides, be fixed with on the mounting panel 96 to slide and inlay two 961 of drive block who locates in slide 932, two including setting up two 94 of lead screw in slide 932 along vertical direction and being fixed in two 94 pivoted motors of drive lead screw of the seat 93 upper end that slides on the power component two, two 961 threaded sleeve of drive block locate on two 94 of lead screw, two 95 drive lead screw of motor rotate, and then make two drive mounting panels 96 of transfer block go up and down in vertical direction.

As shown in fig. 1 and 9, the turning mechanism 15 includes a turning turret 16 and a positioning mechanism for positioning the shaft, a driving assembly 9 is disposed between the frame 1 and the turning turret 16, and the driving assembly 9 drives the turning turret 16 to machine the middle end of the shaft; the positioning mechanism comprises an actuating mechanism and a tailstock 17, the actuating mechanism is used for limiting two ends of a shaft piece and comprises an electric spindle 18 and a driving component, the electric spindle 18 is used for clamping and taking the shaft piece and driving the shaft piece to rotate, a sliding groove perpendicular to the length direction of the rail 19 is formed in the rack 1, the tailstock 17 comprises a limiting seat 171 and a thimble 172, the limiting seat 171 is slidably embedded in the sliding groove, the thimble 172 is used for abutting against the shaft piece, the thimble 172 is telescopically arranged in the limiting seat 171 along the axial direction of the shaft piece, the driving component comprises a rail 19, the rail 19 is arranged on the rack 1 and is positioned between the electric spindle 18 and the middle driving spindle 83, and the electric spindle 18 is slidably; after the two ends of the shaft are machined, the electric spindle 18 slides along the rail 19 to the right end of the clamping shaft, the shaft is pulled out from the middle driving spindle 83, the tailstock 17 extends out of the tailstock 17, the thimble 172 is aligned with the thimble hole, the thimble 172 extends out of and abuts against the thimble hole through hydraulic driving, the electric spindle 18 and the thimble 172 limit the two ends of the shaft, and stable machining of the middle end of the shaft is achieved.

As shown in fig. 9, the track 19 includes a rail seat 191 disposed on the base and a pair of rails 192 disposed on the rail seat 191, a support plate 195 for supporting the electric spindle 18 is disposed on the rail 192, the support plate 195 is lifted to have stability in sliding in the horizontal direction, a screw 193 is disposed on the rail 192 seat 191 and between the rails 192, a connection block 196 threadedly fitted on the screw 193 is disposed at the lower end of the support plate 195, and a third motor 194 for driving the screw 193 to rotate is disposed on the rail 192 seat 191; when the third motor 194 drives the screw 193 to rotate, the connecting block 196 is moved along the length direction of the screw 193, and the support plate 195 drives the electric spindle 18 to move.

As shown in fig. 9, the discharging assembly 20 includes a discharging clamping jaw 201 disposed on a limiting seat 171 and a discharging slideway 202 disposed on the machine frame 1, the discharging clamping jaw 201 is controlled to extend and retract along the circumferential direction of the shaft through hydraulic pressure, after the middle section of the shaft is machined, the limiting seat 171 slides until the discharging clamping jaw 201 is aligned with the shaft, the discharging clamping jaw 201 extends out and clamps the fixed shaft, then the discharging clamping jaw 201 contracts to draw the shaft out of the electric spindle 18, the limiting seat 171 contracts to align the discharging clamping jaw 201 with the inlet of the discharging slideway 202, the discharging clamping jaw 201 extends out again to push the shaft to the inlet of the discharging slideway 202, the discharging clamping jaw 201 releases clamping fixation of the shaft, and the shaft slides along the discharging slideway 202 to complete the discharging operation.

The working principle of the embodiment is as follows:

the milling mechanism 8 comprises a left tool turret 81, a middle driving spindle 83 and a right tool turret 82 which are sequentially arranged, a shaft is fixed in the middle driving spindle 83 through a feeding assembly, the middle driving spindle 83 drives the shaft to rotate, two ends of the shaft are simultaneously processed by controlling the left tool turret 81 and the right tool turret 82, the efficiency and coaxiality of two ends of the shaft are improved, the shaft is clamped by moving the electric spindle 18 and is drawn out of the middle driving spindle 83, the tailstock 17 extends out, the thimble 172 extends out of the thimble hole of the shaft in an abutting mode, the electric spindle 18 drives the shaft to rotate, the turning tool turret 16 realizes processing of the middle section of the shaft, the overall processing efficiency of the shaft is improved, and finally the shaft is taken out of the electric spindle 18 through the discharging assembly 20, so that the finished shaft processing flow is realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an automatic change axle piece processing equipment which characterized in that: the milling mechanism (8) comprises a rack (1), a left cutter tower (81), a middle driving main shaft (83) and a right cutter tower (82), wherein the left cutter tower (81), the middle driving main shaft (83) and the right cutter tower (82) are sequentially arranged on the rack (1) along the horizontal direction, and the middle driving main shaft is used for positioning and driving the shaft to rotate, and the milling mechanism (8) further comprises a driving assembly (9) for driving the left cutter tower (81) or the right cutter tower (82) to feed or retract;

the driving assembly (9) comprises a limiting rail (13) arranged on the rack (1) in the horizontal direction, a sliding seat (93) arranged on the limiting rail (13) in a sliding mode and a mounting plate (96) used for fixing the left tool turret (81) or the right tool turret (82), the mounting plate (96) is arranged in a sliding mode in the vertical direction, a first power assembly used for driving the sliding seat (93) to move is arranged on the rack (1), and a second power assembly used for driving the mounting plate (96) to move is arranged on the sliding seat (93);

a turning mechanism (15) is arranged on the frame (1) and positioned on the right side of the right tool turret (82), the turning mechanism (15) comprises a turning tool turret (16) and a positioning mechanism for positioning a shaft piece, and the driving assembly (9) is arranged between the frame (1) and the turning tool turret (16);

the positioning mechanism comprises an electric main shaft (18) and a tailstock (17), the electric main shaft (18) and the tailstock (17) are arranged at two ends of the shaft, a track (19) is arranged on the rack (1) and between the electric main shaft (18) and the central driving main shaft (83), the electric main shaft (18) is arranged on the track (19) in a sliding mode, and the tailstock (17) is arranged on the rack (1) in a telescopic sliding mode.

2. An automated shaft machining apparatus according to claim 1, wherein: the special tailstock for the automobile is characterized in that a sliding groove perpendicular to the length direction of the rail (19) is formed in the rack (1), the tailstock (17) comprises a limiting seat (171) which is slidably embedded in the sliding groove and a thimble (172) which is used for abutting against a shaft piece, and the thimble (172) is arranged in the limiting seat (171) in a telescopic mode along the axis direction of the shaft piece.

3. An automated shaft machining apparatus according to claim 1, wherein: track (19) are including setting up guide rail seat (191) on the base and a pair of guide rail (192) that sets up on guide rail seat (191), be provided with backup pad (195) that are used for supporting electric main shaft (18) on guide rail (192), guide rail seat (191) are gone up and are located and are provided with screw rod (193) between guide rail (192), the lower extreme of backup pad (195) is provided with connecting block (196) that the screw rod (193) were located to the screw rod cover, be provided with driving screw rod (193) pivoted motor three (194) on guide rail seat (191).

4. An automated shaft machining apparatus according to claim 1, wherein: be provided with support one (11) and support two (12) on frame (1), power component one includes that extend the lead screw that sets up along the horizontal direction (91) and set up in motor one (92) of lead screw one (91) one end, lead screw one (91) both ends rotate respectively and set up on support one (11) and support two (12), just motor one (92) are fixed in on support one (11), it locates transmission block one (931) on the lead screw to be fixed with the thread bush on seat (93) that slides.

5. An automated shaft machining apparatus according to claim 1, wherein: slide (932) have been seted up along vertical direction on the seat (93) that slides, be fixed with on mounting panel (96) to slide and inlay the second (961) of drive block who locates in slide (932), power component two includes sets up two (94) of lead screw in slide (932) and is fixed in two (94) pivoted motors (95) of drive lead screw of seat (93) upper end that slide along vertical direction, two (961) thread bush of drive block locate on lead screw two (94).

6. An automated shaft machining apparatus according to claim 1, wherein: the shaft part processing device is characterized by further comprising a feeding mechanism (2) which is used for storing and ejecting the shaft parts with fixed lengths one by one, a conveying mechanism (4) which is used for conveying the shaft parts, and a feeding mechanism (7) which is used for transferring the shaft parts to a middle driving main shaft (83) according to the process of processing the shaft parts;

the feeding mechanism (7) comprises a lifting frame (71) arranged on the rack (1), a receiving hopper (72) for receiving the shaft piece and a pushing cylinder (73) for pushing the shaft piece to enter a middle driving main shaft (83), and the lifting frame (71) supports the pushing cylinder (73) to vertically lift with the receiving hopper (72);

conveying mechanism (4) include carriage (41), set up carry material way (43) on carriage (41) and set up conveyer belt (42) on carriage (41), carry material way (43) and connect and be provided with guide board (5) between hopper (72), be provided with on conveying mechanism (4) and be used for promoting the rolling pushing equipment (6) of shaft along guide board (5).

7. An automated shaft machining apparatus according to claim 6, wherein: the guide plate (5) comprises a first support plate (51) hinged to the material receiving hopper (72) and a second support plate (52) hinged to the material conveying channel (43), the first support plate (51) and the second support plate (52) are abutted and attached to each other, first baffle plates (511) are arranged on two sides of the first support plate (51) in the width direction, second baffle plates (521) are arranged at two ends of the second support plate (52) in the width direction, lug plates (53) extend from the first baffle plates (511), the lug plates (53) are abutted to the side, opposite to each other, of the second baffle plates (521), and hinge shafts are arranged between the lug plates (53) and the second baffle plates (521).

8. An automated shaft machining apparatus according to claim 6, wherein: the feeding mechanism (2) comprises a vertical frame (21), a storage hopper (22), an end plate (23) blocked at the tail end of the storage hopper (22) and a material ejecting assembly (3); the inner cavity of storage hopper (22) slope sets up and is fixed with baffle (24) in it, the bottom of baffle (24) is provided with the interval that only supplies a root axis spare to pass through with the inner cavity bottom of storage hopper (22), liftout subassembly (3) are including sliding and inlaying flitch (31) of locating between storage hopper (22) and end plate (23), hinge in ejector beam (32) of ejector beam (31), hinge in pendulum rod (33) of the one end of ejector beam (32) and drive pendulum rod (33) and use the other end as centre of a circle pivoted driving motor (34), wherein the rotation plane of pendulum rod (33) and the swing plane of ejector beam (32) all are on a parallel with ejector beam (31).

9. An automated shaft machining apparatus according to claim 8, wherein: last just being located conveyer belt (42) of carriage (41) and keeping away from liftout subassembly (3) one side and being provided with limiting plate (44) that block the axle piece, the one end that is close to liftout subassembly (3) on conveyer way (43) is to keeping away from conveyer belt (42) direction extension have rectifying plate (45) of leading shaft piece.