CN110834949A

CN110834949A - Automatic shaft machining system

Info

Publication number: CN110834949A
Application number: CN201911325636.2A
Authority: CN
Inventors: 刘富; 马代豪; 王伟希
Original assignee: Harbin University Of Technology Robot System Foshan Co Ltd
Current assignee: Harbin University Of Technology Robot System Foshan Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-02-25

Abstract

The invention discloses an automatic shaft machining system which comprises a rough machining area and a finish machining area, wherein the rough machining area and the finish machining area are connected through a conveying mechanism, and the conveying mechanism is used for conveying a machined shaft from the rough machining area to the finish machining area. According to the invention, the first robot and the second robot are arranged, so that the automatic clamping, moving and processing of the shaft are realized, the labor intensity of workers is greatly reduced, and the two parts of the rough processing area and the finish processing area are adopted for processing, so that the quality of finished products is greatly improved, the processing efficiency is high, and the benefit of enterprises is greatly improved.

Description

Automatic shaft machining system

Technical Field

The invention relates to the field of automatic shaft machining, in particular to an automatic shaft machining system.

Background

The shaft is a cylindrical object which is penetrated in the middle of a bearing or a wheel or a gear, but a small part of the shaft is square, the shaft is a mechanical part which supports a rotating part and rotates together with the rotating part to transfer motion, torque or bending moment, the shaft is generally in the shape of a metal round rod, and each section can have different diameters. For the processing of axle, need more processes, like drilling, rough machining, finish machining, grinding, fat liquoring etc. every process needs to be equipped with corresponding equipment and operating personnel, need invest into more equipment and personnel operation, and the cost is higher. Based on this, the invention provides an automatic shaft processing system.

Disclosure of Invention

The invention aims to provide an automatic shaft processing system, which realizes automatic clamping, transferring and processing of a shaft by arranging a first robot and a second robot and greatly reduces the labor intensity of workers.

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

an automatic shaft machining system comprises a rough machining area and a fine machining area, wherein the rough machining area and the fine machining area are connected through a conveying mechanism, and the conveying mechanism is used for conveying a machined shaft from the rough machining area to the fine machining area;

the rough machining area comprises a feeding positioning table, a milling and drilling machine tool, a first rough turning machine tool and a second rough turning machine tool, wherein the feeding positioning table, the milling and drilling machine tool, the first rough turning machine tool and the second rough turning machine tool are arranged in a surrounding mode, and a first robot is arranged in the middle of the feeding positioning table, the milling and drilling machine tool, the first rough turning machine tool and the second rough turning machine tool;

the finish machining area comprises a finish turning machine tool, a milling machine tool, a grinding machine tool, a chicken heart chuck device, a discharging positioning table and an anti-rust oil smearing device, wherein the finish turning machine tool, the milling machine tool, the grinding machine tool, the chicken heart chuck device, the discharging positioning table and the anti-rust oil smearing device are arranged in a surrounding mode, and a second robot is arranged in the middle of the finish turning machine tool, the milling machine tool, the grinding machine tool, the chicken heart chuck device.

Further, the milling and drilling machine is positioned on one side of the feeding positioning table, the first rough turning machine is positioned on one side of the milling and drilling machine, the second rough turning machine is positioned on one side of the first rough turning machine, and the feeding table is arranged on the other side of the feeding positioning table; the milling machine tool is located on one side of the finish turning machine tool, the grinding machine tool is located on one side of the milling machine tool, the chicken heart chuck device is located on one side of the grinding machine tool, the blanking positioning table is located on one side of the chicken heart chuck device, the anti-rust oil smearing device is located on the front side of the finish turning machine tool, and the blanking table is arranged on the other side of the chicken heart chuck device.

Further, transport mechanism includes first mount, first clamping device and rack and pinion actuating mechanism, rack and pinion actuating mechanism is used for driving first clamping device and removes on first mount, the top side of first mount is equipped with two first slide rails, first clamping device is including removing the seat, the one side of removing the seat is equipped with two first clamping jaws, one side of first clamping jaw is equipped with first cylinder, first cylinder is used for driving the clamp of first clamping jaw tightly or unclamps, one side of first cylinder is equipped with first infrared ray sensor, the opposite side of removing the seat is equipped with two first sliders, two first sliders set up respectively on two first slide rails.

Further, all install the tongs that are used for getting the axle of putting on first robot and the second robot, the tongs includes base, tongs arm, first clamping jaw mount pad and second clamping jaw mount pad, the tongs arm is connected to one side of base, the first clamping jaw mount pad of top fixed connection of base, the bottom fixed connection second clamping jaw mount pad of base, the second clamping jaw is connected at first clamping jaw mount pad top, the third clamping jaw is connected to second clamping jaw mount pad bottom, first clamping jaw mount pad and the inside second cylinder that all is provided with of second clamping jaw mount pad, the second cylinder is used for driving second clamping jaw and/or third clamping jaw and presss from both sides tightly or unclamp, the fourth clamping jaw is connected to the opposite side of base, fourth clamping jaw inside is provided with the electro-magnet, the electro-magnet is used for controlling the fourth clamping jaw and absorbs or releases.

Furthermore, the fourth clamping jaw is provided with an inwards concave arc-shaped opening.

Furthermore, the feeding positioning table comprises a second fixing frame, a second clamping device and a positioning table, the second clamping device and the positioning table are both fixed at the top of the second fixing frame, the second clamping device comprises two third cylinders and two fifth clamping jaws, and the third cylinders are used for driving the fifth clamping jaws to clamp or release; the utility model discloses a positioning table, including the location platform, the location platform includes that a plurality of bears the seat, it is the L type that crouches to bear the seat, be equipped with the sloping platform on bearing the seat, the one end of location platform is equipped with the fourth cylinder, the other end of location platform is equipped with second infrared ray sensor.

Further, the antirust oil smearing device comprises a rack, a fixed seat and a clamping mechanism, the fixed seat is connected to the top of the rack, the clamping mechanism is connected to the top of the fixed seat, the clamping mechanism comprises a workpiece spindle box and a tailstock which are arranged oppositely, a clamping structure which is used for clamping a peripheral shaft and driving the peripheral shaft to rotate is formed between the workpiece spindle box and the tailstock, second slide rails are arranged on the two sides, close to the tailstock, of the fixed seat, second slide blocks are arranged on the two sides of the bottom of the tailstock, the second slide blocks are arranged on the second slide rails, the tailstock is driven by a driving unit, an oil storage tank is arranged between the workpiece spindle box and the tailstock, oil absorption sponges are arranged in the oil storage tank, a lifting unit is arranged between the bottom of the oil storage tank and the rack, and the lifting unit is used for driving the oil storage.

Furthermore, a rotating cylinder is arranged inside the workpiece spindle box and connected with a first tip, the first tip extends out of the workpiece spindle box, a second tip is arranged inside the tailstock and extends out of the tailstock, the first tip and the second tip form the clamping structure, and semicircular openings with upward openings are formed in two ends of the oil storage tank.

Furthermore, the heart-shaped chuck device comprises a third fixing frame, a plurality of fixing supports, a plurality of heart-shaped chucks, a plurality of fifth cylinders and a plurality of pressing devices, the fixing supports are fixedly connected to the top of the third fixing frame, the heart-shaped chucks are movably connected to the fixing supports, locking rods and springs are arranged on the side faces of the heart-shaped chucks, the locking rods can move back and forth around the side faces of the heart-shaped chucks, one ends of the springs are connected with the heart-shaped chucks, the other ends of the springs are connected with the locking rods, the fifth cylinders are fixedly connected to the top of the third fixing frame and correspond to the fixing supports one by one, the fifth cylinders are used for driving the locking rods to tighten and loosen, the pressing devices are fixedly connected to the third fixing frame and correspond to the fixing supports one by one, each pressing device comprises a sixth cylinder and a pressing block, and the sixth cylinder is used for driving the pressing block to lift, the pressing device is used for controlling the fixation and the release of the heart-shaped chuck.

Furthermore, the two sides of the feeding platform and the discharging platform are provided with fences.

Furthermore, a robot control cabinet, a PLC control cabinet, a button box and a touch screen are arranged on the outer side of the fence.

Compared with the prior art, the automatic shaft processing system provided by the invention has the following beneficial effects:

according to the automatic shaft processing system, the first robot and the second robot are arranged, so that automatic clamping, transferring and processing of shafts are realized, the labor intensity of workers is greatly reduced, the two parts of areas, namely the rough processing area and the finish processing area, are adopted for processing, the quality of finished products is greatly improved, the processing efficiency is high, and the benefits of enterprises are greatly improved.

Drawings

FIG. 1 is a schematic structural view of an automatic shaft processing system according to the present invention;

FIG. 2 is a schematic structural view of a conveying mechanism in an automatic shaft processing system according to the present invention;

FIG. 3 is an enlarged view of a portion of a transfer mechanism of an automatic shaft processing system according to the present invention;

FIG. 4 is a schematic structural diagram of a gripper for taking and placing a shaft in an automatic shaft processing system according to the present invention;

FIG. 5 is a schematic view of a loading positioning table in the automatic shaft processing system according to the present invention;

FIG. 6 is a schematic view of an anti-rust oil application device in the automatic shaft processing system according to the present invention;

FIG. 7 is a schematic view showing a partial anatomical structure of a rust preventive oil application device in an automatic shaft processing system according to the present invention;

fig. 8 is a schematic structural view of a chicken heart chuck device in the automatic shaft processing system of the invention.

[ description of reference ]

01-a transmission mechanism, 011-a first fixed frame, 012-a first clamping device, 0121-a moving seat, 0122-a first clamping jaw, 0123-a first cylinder, 0124-a first sliding block, 0125-a first infrared sensor and 013-a first sliding rail,

1-a feeding positioning table, 11-a second fixed frame, 12-a second clamping device, 121-a third cylinder, 122-a fifth clamping jaw, 13-a bearing seat, 131-an inclined table, 14-a fourth cylinder and 15-a second infrared sensor,

2-milling drilling machine

3-first rough turning machine tool

4-second rough turning machine tool

5-first sampling inspection bench

6-a first robot, 61-a base, 62-a gripper arm, 63-a first gripper mounting seat, 64-a second gripper mounting seat, 65-a second gripper, 66-a third gripper, 67-a fourth gripper, 68-a blowing device, 681-a pipe body, 682-an air outlet and 69-a touch switch,

7-feeding table

8-finish turning machine tool

9-milling machine tool

10-grinding machine tool

11-a heart-shaped chuck device, 111-a third fixing frame, 112-a fixing support, 113-a heart-shaped chuck, 1131-a locking rod, 1132-a spring, 114 a fifth cylinder, 115-a pressing device, 1151-a sixth cylinder and 1152-a pressing block,

12-blanking positioning table

13-second sampling inspection bench

14-second robot

15-blanking table

16-antirust oil smearing device, 161-machine frame, 162-fixed seat, 1621-second slide rail, 1622-second cylinder, 1623-third infrared sensor, 1624-shell, 163-workpiece spindle box, 1631-rotary cylinder, 1632-first tip, 164-tailstock, 1641-second slider, 1642-second tip, 165-oil storage tank, 1651-oil absorption sponge, 166-lifting cylinder, 167-pre-embedded device, 1671-connecting block and 1672-bolt,

17-fence

18-robot control cabinet

19-PLC control cabinet

20-button box

21-touch screen.

Detailed Description

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

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

As shown in fig. 1, an automatic shaft machining system includes a rough machining region and a finish machining region, the rough machining region and the finish machining region are connected through a conveying mechanism 01, and the conveying mechanism 01 is used for conveying a machined shaft from the rough machining region to the finish machining region;

the rough machining area comprises a feeding positioning table 1, a milling and drilling machine tool 2, a first rough turning machine tool 3 and a second rough turning machine tool 4, wherein the feeding positioning table 1, the milling and drilling machine tool 2, the first rough turning machine tool 3 and the second rough turning machine tool 4 are arranged in a surrounding mode, and a first robot 6 is arranged in the middle of the feeding positioning table, the milling and drilling machine tool 2, the first rough turning machine tool 3 and the second rough turning machine tool 4;

the finish machining area comprises a finish turning machine tool 8, a milling machine tool 9, a grinding machine tool 10, a chicken heart chuck device 11, a blanking positioning table 12 and an anti-rust oil smearing device 16, wherein the finish turning machine tool 8, the milling machine tool 9, the grinding machine tool 10, the chicken heart chuck device 11, the blanking positioning table 12 and the anti-rust oil smearing device 16 are arranged in a surrounding mode, and a second robot 14 is arranged in the middle of the finish turning machine tool 8, the milling machine tool 9, the grinding machine tool 10, the chicken.

According to the invention, the first robot 6 and the second robot 14 are arranged, so that automatic clamping, transferring and processing of the shaft are realized, the labor intensity of workers is greatly reduced, and the two parts of the rough processing area and the finish processing area are adopted for processing, so that the quality of finished products is greatly improved, the processing efficiency is high, and the benefit of enterprises is greatly improved.

The milling and drilling machine 2 is positioned on one side of the feeding positioning table 1, the first rough turning machine 3 is positioned on one side of the milling and drilling machine 2, the second rough turning machine 4 is positioned on one side of the first rough turning machine 3, a first sampling inspection table 5 is arranged on one side of the second rough turning machine 4, and a feeding table 7 is arranged on the other side of the feeding positioning table 1; the milling machine tool 9 is located on one side of the finish turning machine tool 8, the grinding machine tool 10 is located on one side of the milling machine tool 9, the chicken heart chuck device 11 is located on one side of the grinding machine tool 10, a blanking table 15 is arranged on the other side of the chicken heart chuck device 11, the blanking positioning table 12 is located on one side of the chicken heart chuck device 11, the rust-preventive oil smearing device 16 is located on the front side of the finish turning machine tool 8, and the blanking table 15 is arranged on the other side of the chicken heart chuck device 11.

As shown in fig. 2 and 3, the conveying mechanism 01 includes a first fixing frame 011, a first clamping device 012 and a rack and pinion driving mechanism, the rack and pinion driving mechanism is used for driving the first clamping device 012 to move on the first fixing frame 011, the rack and pinion driving mechanism adopts the prior art, two first sliding rails 013 are arranged on the top side of the first fixing frame 011, the first clamping device 012 includes a moving seat 0121, two first clamping jaws 0122 are arranged on one side of the moving seat 0121, the openings of the first clamping jaws 0122 are in opposite V-shapes, a first cylinder 0123 is arranged on one side of the first clamping jaws 0122, the first cylinder 0123 is used for driving the first clamping jaws 0122 to clamp or unclamp, a first infrared sensor 0125 is arranged on one side of the first cylinder 0123, the first infrared sensor 0125 is used for positioning the shaft clamped by the first clamping device 012, so as to prevent the shaft from deviating from the V-shaped opening of the first clamping jaws 0122 during clamping, causing unstable clamping. The other side of removing seat 0121 is equipped with two first slider 0124, two first slider 0124 set up respectively on two first slide rails 013, remove seat 0121 through first slide rail 013 round trip movement, the axle that will be processed is from the rough machining region to the fine machining region.

As shown in fig. 4, the first robot 6 and the second robot 14 are both provided with a gripper for taking and releasing a shaft, the gripper comprises a base 61, a gripper arm 62, a first jaw mounting base 63 and a second jaw mounting base 64, one side of the base 61 is connected with the gripper arm 62, the top of the base 61 is fixedly connected with the first jaw mounting base 63, the bottom of the base 1 is fixedly connected with the second jaw mounting base 64, the top of the first jaw mounting base 63 is connected with a second jaw 65, the bottom of the second jaw mounting base 64 is connected with a third jaw 66, both the first jaw mounting base 63 and the second jaw mounting base 64 are internally provided with a cylinder for driving the second jaw 65 and/or the third jaw 66 to clamp or release, the second jaw 65 and the third jaw 66 are used for clamping a shaft, wherein the second jaw 65 and/or the third jaw 66 are clamped or released by the cylinder, when the cylinder was opened, second clamping jaw 65 and/or third clamping jaw 66 clamped, when the cylinder was closed, second clamping jaw 65 and/or third clamping jaw 66 loosened, fourth clamping jaw 67 is connected to the opposite side of base 61, the inside electro-magnet that is provided with of fourth clamping jaw 67, the electro-magnet is used for controlling fourth clamping jaw 67 and absorbs or releases, through set up the electro-magnet in fourth clamping jaw 67, relies on electromagnetic suction to absorb or release the axle, compare in the cylinder clamping jaw of second clamping jaw 65 and third clamping jaw 66, need not to do the action of opening and shutting, under the condition that does not have enough space, also can be fine take and put the axle, improve the convenience greatly.

The fourth clamping jaw 67 is provided with an inwards concave arc opening, the inwards concave arc opening is more fit with the shape of a round rod-shaped shaft, the shaft can be better sucked, the gripper arm 62 and the fourth clamping jaw 67 are oppositely arranged, one side of the base 61 is connected with the air blowing device 68, scraps generated in the shaft processing process can be blown off, the situation that the processing equipment influences the next shaft to be placed and processed in the last shaft processing process is avoided, the air blowing device 68 comprises two pipe bodies 681 and two air outlets 682, one ends of the two pipe bodies 681 are fixedly connected with the base 61, the other ends of the two pipe bodies 681 are connected with the two air outlets 682, the air outlets 682 are conical, concentrated wind power with larger degree can be achieved, the remained scraps can be blown off more easily, the air blowing device 68 and the gripper arm 62 and/or the fourth clamping jaw 67 are not on the same side, the air blowing device 68 and the gripper arm 62 and/or the fourth clamping jaw 67 are not on the same side, so that the air blowing device 68 can move conveniently, the openings of the second clamping jaw 65 and/or the third clamping jaw 66 are in opposite V shapes, a touch switch 69 is arranged beside the fourth clamping jaw 67, when the fourth clamping jaw 67 is close to the shaft, the touch switch 69 can be pressed inwards or rotated by the shaft, the electromagnet is turned on by the touch switch 9, the fourth clamping jaw 67 has suction, and the shaft is sucked up.

As shown in fig. 5, the feeding positioning table 1 includes a second fixing frame 11, a second clamping device 12 and a positioning table, the second clamping device 12 and the positioning table are both fixed on the top of the second fixing frame, the second clamping device 12 includes two third air cylinders 121 and two fifth clamping jaws 122, and the third air cylinders 121 are used for driving the fifth clamping jaws 122 to clamp or unclamp; the location platform includes that 3 bear seat 13, it is the L type that crouches to bear seat 13, bear and be equipped with oblique platform 131 on the seat 13, the one end of location platform is equipped with fourth cylinder 14, the other end of location platform is equipped with second infrared ray sensor 15. Bearing seat 13 is used for placing the axle of processing, owing to be equipped with oblique platform 131 on bearing seat 13, when the axle of processing was placed bearing seat 13 on, owing to the guide effect of oblique platform 131, the axle of processing is rolled to the low department by oblique platform eminence, carries out preliminary location. The fourth cylinder 14 is started to push the machined shaft to be positioned better, and the second infrared sensor 15 is used for detecting the positioning accuracy of the shaft, and if the positioning is not accurate, the adjustment is continued. The second clamping device 12 and the positioning table are arranged on the feeding positioning table 1 at the same time, and as the second clamping jaw 65, the third clamping jaw 66 and the fourth clamping jaw 67 in the gripper on the first robot 6 are respectively in different directions, when the gripping shaft in the feeding table 7 is transferred to the feeding positioning table 1, the shaft can be quickly transferred to the feeding positioning table 1 for positioning according to different positions of the clamping jaws in the gripper.

As shown in fig. 6 and 7, the rust-preventive oil smearing device 16 includes a frame 161, a fixed seat 162 and a clamping mechanism, the fixed seat 162 is connected to the top of the frame 161, the top of the fixed seat 162 is connected to the clamping mechanism, the clamping mechanism is used for clamping and fixing a shaft to be smeared with rust-preventive oil on the fixed seat 162, the clamping mechanism includes a workpiece spindle box 163 and a tailstock 164 which are oppositely arranged, a clamping structure for clamping an external shaft and driving the external shaft to rotate is formed between the workpiece spindle box 163 and the tailstock 164, second slide rails 1621 are arranged on two sides of the fixed seat 162 close to the tailstock 164, second slide blocks 1641 are arranged on two sides of the bottom of the tailstock 164, the second slide blocks 1641 are arranged on the second slide rails 1621, the tailstock 164 is driven by a driving unit, the driving unit is a second air cylinder 1622, the tailstock 164 is driven and controlled by the second air cylinder 1622 to slide on the slide rails 1621, so that the clamping mechanism clamps and fixes shafts of different lengths. An oil storage tank 165 is arranged between the workpiece spindle box 163 and the tailstock 164, an oil absorption sponge 1651 is arranged in the oil storage tank 165, a lifting unit is arranged between the bottom of the oil storage tank 165 and the frame 161 and used for driving the oil storage tank 165 to lift, the lifting unit is arranged at the bottom of the oil storage tank 165 and can control the oil storage tank 165 to lift, when antirust oil is coated on a shaft, the lifting unit is used for controlling the oil storage tank 165 to lift, so that the oil absorption sponge 1651 can contact the shaft, after the coating is finished, the lifting unit is used for driving the oil storage tank 165 to descend, and the oil absorption sponge 1651 leaves the shaft.

The rotating cylinder 1631 is arranged inside the workpiece spindle box 163, the rotating cylinder 1631 is connected with a first tip 1632, the first tip 1632 extends out of the workpiece spindle box 163, a second tip 1642 is arranged inside the tailstock 164, the second tip 1642 extends out of the tailstock 164, the first tip 1632 and the second tip 1642 form the clamping structure, and the rotating cylinder 1631 is used for driving the shaft body to rotate. First top 1632 withholds the both ends of axis body respectively with second top 1642, wherein, the one end of axis body is inserted to first top 1632, and the other end of axis body is inserted to second top 1642, constitutes through first top 1632 with second top 1642 press from both sides tight structure, the tight axis body of clamp that can be better prevents that the axis body from dropping when paining antirust oil, oil storage tank 165 both ends are provided with the ascending semicircle opening of opening, through setting up the ascending semicircle opening of opening, when oil storage tank 165 rises the contact axis body, during circular axis body can match the card income oil storage tank 165 through the semicircle opening, the axis body more laminates with oil absorption sponge 1651, paints antirust oil more evenly fast.

Lifting units are arranged between the two ends of the bottom of the oil storage tank 165 and the rack 161, each lifting unit is a lifting cylinder 166, and the two ends of the bottom of the oil storage tank 165 are respectively provided with one lifting cylinder, so that the rising stability or the falling stability of the oil storage tank 165 can be improved, and the condition that one end is higher and the other end is lower is avoided, so that the shaft is not uniformly contacted with the oil absorption sponge 1651; a shell 1624 is arranged on one side of the sliding rail 1621, the sliding rail 1621 is wrapped by the shell 1624, and the shell 1624 is fixed on the fixed seat 162 and used for protecting the sliding rail 1621; one side of the fixed seat 162 close to the workpiece spindle box 163 is connected with a third infrared sensor 1623, and the third infrared sensor 1623 is used for detecting inaccurate positioning of the shaft body on the clamping mechanism, so that the shaft body is prevented from being misplaced and the clamping stability is prevented from being influenced; the bottom of the rack 161 is provided with a plurality of embedded devices 167, each embedded device 167 is composed of a connecting block 1671 and a bolt 1672, each connecting block 1671 is fixedly connected to the bottom of the rack 161, each bolt 1672 is in threaded connection with each connecting block 1671, each embedded device 167 is used for fixing the rack 161 to the ground, and the rack 161 can be fixed to the ground by tightening the bolts 1672; the quantity of pre-buried device 167 is 6, through setting up 6 pre-buried devices, is 2 respectively for the head of frame 161, and middle 2, afterbody is 2, can be better fix frame 161 on ground, prevent to become flexible.

As shown in fig. 8, the heart-shaped gripper device 11 includes a third fixing frame 111, 3 fixing supports 112, 3 heart-shaped grippers 113, 3 fifth cylinders 114, and 3 pressing devices 115, the fixing support 112 is fixedly connected to the top of the third fixing frame 111, the heart-shaped gripper 113 is movably connected to the fixing support 112, a locking rod 1131 and a spring 1132 are disposed on a side surface of the heart-shaped gripper 113, the locking rod 1131 can move back and forth around a side surface of the heart-shaped gripper 113, one end of the spring 1132 is connected to the heart-shaped gripper 113, the other end of the spring 1132 is connected to the locking rod 1131, the fifth cylinders 114 are fixedly connected to the top of the third fixing frame 111 and correspond to the fixing supports 112 one by one, the fifth cylinders 114 are used for driving the tightening and loosening of the locking rod 1131, the pressing devices 115 are fixedly connected to the third fixing frame 111 and correspond to the fixing supports 112 one by one, the pressing devices 115 include a sixth cylinder 1151 and a pressing block 1152, the sixth air cylinder 1151 is used for driving the pressing block 1152 to ascend and descend, and the pressing device 115 is used for controlling the fixing and loosening of the heart-shaped clamp 113.

When the second robot 14 moves the processed shaft to the heart-shaped chuck 113, the sixth cylinder 1151 is started, the pressing block 1152 fixes the heart-shaped chuck 113, the locking rod 1131 moves on the side surface of the heart-shaped chuck 113 until being fixed by the spring 1132, and at the moment, the processed shaft is clamped by the heart-shaped chuck 113; when the second robot 14 moves the processed shaft to the next process for processing, the sixth air cylinder 1152 is closed, the pressing block 1152 is lifted, and the processed shaft and the heart-shaped chuck 113 are clamped and moved away by the second robot 14; when the processed shaft needs to be removed after the processing is finished, the fifth air cylinder 114 is started, the fifth air cylinder 114 pushes the locking rod 1131 to move, the locking rod 1131 is separated from the spring 1132, at the moment, the chicken heart chuck 113 releases the processed shaft, and the processed shaft can be transferred to the next process by the second robot 14.

The chicken heart chuck device 11 further comprises an oil injection mechanism (not shown), the oil injection mechanism is fixedly connected to the top of the third fixing frame 111 and located on one side of the chicken heart chuck 113, the oil injection mechanism is used for injecting oil to a shaft fixed by the chicken heart chuck 113, and the shaft is transferred to a grinding machine tool for machining after oil injection.

The both sides of material loading platform 7 and unloading platform 15 all are equipped with rail 17, set up that rail 17 can be better keep apart operating personnel and equipment, improve the security.

The outer side of the fence 17 is provided with a robot control cabinet 18, a PLC control cabinet 19, a button box 20 and a touch screen 21, the robot control cabinet 18, the PLC control cabinet 19, the button box 20 and the touch screen 21 are used for controlling an automatic shaft processing system, and the button box 20 can also be used for emergency stop operation.

The working principle of the automatic shaft processing system is as follows: an operator places a shaft to be machined on a feeding table, a robot control cabinet 18, a PLC control cabinet 19, a button box 20 and a touch screen 21 jointly start the system to work, a first robot 6 transfers the shaft from the feeding table to a feeding positioning table 1, the shaft is accurately positioned and then transferred to a milling and drilling machine 2, a first rough turning machine 3 and a second rough turning machine 4 in sequence by the first robot 6 for machining, after rough machining is completed, the shaft is transferred to a first sampling table 5 by the first robot 6 for sampling inspection, after the sampling inspection is qualified, the shaft is transferred to a conveying mechanism 01 by the first robot 6, the shaft after rough machining is conveyed to a fine machining area by the conveying mechanism 01, the shaft is transferred from the conveying mechanism 01 by a second robot 14 and is machined by the fine turning machine 8, the milling machine 9 and a grinding machine 10 in sequence, wherein after the milling machine 9 is machined, the shaft is transferred to a chicken heart chuck device 11, the shaft is fixed by a chicken heart chuck 113 and then transferred to a grinding machine tool 10 together with the chicken heart chuck 113 for processing, the shaft is transferred to the chicken heart chuck device 11 after the processing is finished, the chicken heart chuck 113 fixed with the shaft is released, the finish processing is finished, the shaft is transferred to an anti-rust oil smearing device 16 by a second robot 14 for smearing anti-rust oil on the shaft, the shaft is transferred to a second sampling platform 13 by the second robot 14 for sampling inspection after the sampling inspection is finished, the shaft is transferred to a blanking positioning platform 12 by the second robot 14 for positioning after the sampling inspection is qualified, the shaft is transferred to a blanking platform 15 by the second robot 14 after the positioning is finished, and the shaft is automatically processed.

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

Claims

1. An automatic shaft machining system comprises a rough machining area and a fine machining area, and is characterized in that the rough machining area and the fine machining area are connected through a conveying mechanism, and the conveying mechanism is used for conveying a machined shaft from the rough machining area to the fine machining area;

2. The automatic shaft machining system according to claim 1, wherein the milling and drilling machine is located on one side of the feeding positioning table, the first rough turning machine is located on one side of the milling and drilling machine, the second rough turning machine is located on one side of the first rough turning machine, and the feeding table is arranged on the other side of the feeding positioning table; the milling machine tool is located on one side of the finish turning machine tool, the grinding machine tool is located on one side of the milling machine tool, the chicken heart chuck device is located on one side of the grinding machine tool, the blanking positioning table is located on one side of the chicken heart chuck device, the anti-rust oil smearing device is located on the front side of the finish turning machine tool, and the blanking table is arranged on the other side of the chicken heart chuck device.

3. The automatic shaft processing system according to claim 1, wherein the conveying mechanism comprises a first fixing frame, a first clamping device and a rack and pinion driving mechanism, the rack and pinion driving mechanism is used for driving the first clamping device to move on the first fixing frame, two first slide rails are arranged on the top side surface of the first fixing frame, the first clamping device comprises a moving seat, two first clamping jaws are arranged on one side of the moving seat, a first air cylinder is arranged on one side of each first clamping jaw and used for driving the first clamping jaws to clamp or release, a first infrared sensor is arranged on one side of the first air cylinder, two first slide blocks are arranged on the other side of the moving seat, and the two first slide blocks are respectively arranged on the two first slide rails.

4. The automatic shaft processing system according to claim 1, wherein the first robot and the second robot are each provided with a gripper for taking and placing a shaft, the gripper comprises a base, a gripper arm, a first clamping jaw mounting seat and a second clamping jaw mounting seat, one side of the base is connected with the gripper arm, the top of the base is fixedly connected with the first clamping jaw mounting seat, the bottom of the base is fixedly connected with the second clamping jaw mounting seat, the top of the first clamping jaw mounting seat is connected with the second clamping jaw, the bottom of the second clamping jaw mounting seat is connected with the third clamping jaw, a second cylinder is arranged inside each of the first clamping jaw mounting seat and the second clamping jaw mounting seat, the second cylinder is used for driving the second clamping jaw and/or the third clamping jaw to clamp or unclamp, the other side of the base is connected with the fourth clamping jaw, and an electromagnet is arranged inside the fourth clamping jaw, the electromagnet is used for controlling the fourth clamping jaw to suck or release.

5. The automatic shaft machining system of claim 4, wherein the fourth jaw is provided with a concave arc opening.

6. The automatic shaft processing system according to claim 1, wherein the feeding positioning table comprises a second fixing frame, a second clamping device and a positioning table, the second clamping device and the positioning table are both fixed on the top of the second fixing frame, the second clamping device comprises two third air cylinders and two fifth clamping jaws, and the third air cylinders are used for driving the fifth clamping jaws to clamp or release; the utility model discloses a positioning table, including the location platform, the location platform includes that a plurality of bears the seat, it is the L type that crouches to bear the seat, be equipped with the sloping platform on bearing the seat, the one end of location platform is equipped with the fourth cylinder, the other end of location platform is equipped with second infrared ray sensor.

7. The automatic shaft processing system according to claim 1, wherein the rust preventive oil application device comprises a frame, a fixing seat and a clamping mechanism, the fixing seat is connected to the top of the frame, the clamping mechanism is connected to the top of the fixing seat, the clamping mechanism comprises a workpiece spindle box and a tailstock which are oppositely arranged, a clamping structure for clamping an external shaft and driving the external shaft to rotate is formed between the workpiece spindle box and the tailstock, second slide rails are arranged on the fixing seat near two sides of the tailstock, second slide blocks are arranged on two sides of the bottom of the tailstock, the second slide blocks are arranged on the second slide rails, the tailstock is driven by a driving unit, an oil storage tank is arranged between the workpiece spindle box and the tailstock, an oil absorption sponge is arranged in the oil storage tank, and a lifting unit is arranged between the bottom of the oil storage tank and the frame, the lifting unit is used for driving the oil storage tank to lift.

8. The automatic shaft machining system according to claim 7, wherein a rotating cylinder is arranged inside the workpiece spindle box and connected with a first tip, the first tip extends out of the workpiece spindle box, a second tip is arranged inside the tailstock and extends out of the tailstock, the first tip and the second tip form the clamping structure, and semicircular openings with upward openings are formed in two ends of the oil storage tank.

9. The automatic shaft processing system according to claim 1, wherein the heart-shaped chuck device comprises a third fixing frame, a plurality of fixing supports, a plurality of heart-shaped chucks, a plurality of fifth cylinders and a plurality of pressing devices, the fixing supports are fixedly connected to the top of the third fixing frame, the heart-shaped chucks are movably connected to the fixing supports, locking rods and springs are arranged on the side faces of the heart-shaped chucks, the locking rods can move back and forth around the side faces of the heart-shaped chucks, one ends of the springs are connected with the heart-shaped chucks, the other ends of the springs are connected with the locking rods, the fifth cylinders are fixedly connected to the top of the third fixing frame and correspond to the fixing supports one by one, the fifth cylinders are used for driving the locking rods to tighten and loosen, the pressing devices are fixedly connected to the third fixing frame and correspond to the fixing supports one by one, and the pressing devices comprise sixth cylinders and pressing blocks, the sixth cylinder is used for driving the compression block to lift, and the compression device is used for controlling the fixation and the loosening of the heart-shaped chuck.

10. The automatic shaft processing system according to claim 2, wherein fences are arranged on two sides of the feeding table and the discharging table, and a robot control cabinet, a PLC (programmable logic controller) control cabinet, a button box and a touch screen are arranged on the outer sides of the fences.