CN111546657B

CN111546657B - Automatic plastic part assembling device

Info

Publication number: CN111546657B
Application number: CN201910111507.7A
Authority: CN
Inventors: 陈浩; 王鹏; 袁皓; 汤继操; 裴东良; 颜永文; 林辉; 付传武
Original assignee: Ningbo Corbeate Intelligent Technology Co ltd
Current assignee: Ningbo Corbeate Intelligent Technology Co ltd
Priority date: 2019-02-12
Filing date: 2019-02-12
Publication date: 2023-03-10
Anticipated expiration: 2039-02-12
Also published as: CN111546657A

Abstract

The invention relates to an automatic plastic part assembling device which comprises a rack and a control system, wherein the rack is provided with a plurality of positioning holes; the frame is provided with a feeding mechanism, a picking mechanism, an image detection mechanism, an assembling mechanism and a waste collecting mechanism; the control system is electrically connected with the feeding mechanism, the picking mechanism, the image detection mechanism, the assembling mechanism and the waste collecting mechanism; the machine frame is provided with a workbench, the workbench is provided with a first indexing turntable driven by a driving mechanism, and the picking mechanism is arranged on the first indexing turntable; the feeding mechanism, the detection mechanism, the assembling mechanism and the waste collecting mechanism are uniformly distributed on the periphery of the first indexing turntable. The invention has high automation degree, not only ensures the quality of plastic part assembly, but also shortens the assembly time, improves the assembly efficiency, saves a large amount of labor and reduces the production cost.

Description

Automatic plastic part assembling device

Technical Field

The invention relates to the field of plastic part assembly, in particular to an automatic plastic part assembly device.

Background

48 plastic shells need to be assembled outside a rotor in the oil-gas separator in the assembling process, the defective plastic shells need to be screened out in the assembling process, the assembling angle of the rotor and the plastic shells needs to be aligned, and the assembling number is recorded; the original assembly process adopts manual screening and assembly, so that assembly angle deviation and counting errors are easy to occur, small defects existing on some plastic parts are not easy to find, time and labor are wasted, the production efficiency is low, 48 plastic shells cannot be rechecked after assembly is completed, unqualified products cannot be detected, the assembly quality cannot be guaranteed, the assembly qualification rate is reduced, and the service life of the rotor is indirectly shortened; therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide an automatic plastic part assembling device which can effectively solve the technical problems.

In order to achieve the purpose of the invention, the following technical scheme is adopted:

an automatic plastic part assembling device comprises a rack and a control system; the frame is provided with a feeding mechanism, a pickup mechanism, an image detection mechanism, an assembly mechanism and a waste material collection mechanism; the control system is electrically connected with the feeding mechanism, the picking mechanism, the image detection mechanism, the assembling mechanism and the waste collecting mechanism; the machine frame is provided with a workbench, the workbench is provided with a first indexing turntable driven by a driving mechanism, and the picking mechanism is arranged on the first indexing turntable; the feeding mechanism, the detection mechanism, the assembling mechanism and the waste collecting mechanism are uniformly distributed on the periphery of the first indexing turntable.

Furthermore, the driving mechanism is set as a first cam intermittent divider, the first indexing turntable is provided with 4 stations, and the picking mechanism is fixedly connected with the first indexing turntable; the workbench is provided with a rectangular support frame, the upper end of the rectangular support frame is provided with two cylinders for driving the picking mechanism to take or discharge materials, and the two cylinders are separated from the picking mechanism; the automatic feeding device comprises a material taking cylinder arranged above a 0-degree station of a first indexing turntable and a material discharging cylinder arranged above a 180-degree station of the first indexing turntable.

Furthermore, the workbench is arranged in a stepped manner and comprises an upper workbench and a lower workbench which are connected with each other, and the first indexing turntable, the image detection mechanism, the assembly mechanism and the waste collection mechanism are all arranged on the upper workbench; the feeding mechanism is arranged on the lower workbench.

Further, the feeding mechanism comprises a second cam intermittent divider arranged below the lower workbench, a second indexing turntable arranged on the second cam intermittent divider and a string rod arranged on the second indexing turntable, and 6 stations are arranged on the second indexing turntable; and a lifting device used for pushing plastic parts is arranged on the inner side of the lower workbench in the feeding area.

Further, a first support frame is arranged on the lower workbench; the lifting device comprises a servo electric cylinder fixedly connected with the first support frame, a sliding block connected with the servo electric cylinder in a sliding manner, and a push block connected with the sliding block through a first guide rod; a positioning ring is arranged on the guide rod, and a linear spring is arranged between the lower surface of the push block and the positioning ring; and the upper end of the lifting device is positioned in the material taking area and is provided with a correlation optical fiber for positioning the upper limit of feeding.

Furthermore, the picking mechanism comprises an L-shaped support frame arranged on the first indexing rotary table, a vertical slide rail arranged on the L-shaped support frame, a sliding table arranged on the vertical slide rail and connected with the vertical slide rail in a sliding manner, an end effector arranged at the lower end of the sliding table and fixedly connected with the sliding table, and a vacuum chuck arranged in an inner cavity of the end effector; the top of the sliding table is provided with a push rod matched with the air cylinder;

furthermore, a second guide rod is arranged on the upper surface of the end effector, a positioning block connected with the second guide rod in a sliding mode is arranged at the rear end of the sliding rail, and a reset spring is arranged between the second guide rod and the positioning block.

Further, the detection mechanism is arranged below the 90-degree station of the first indexing turntable; comprises a light source and a camera arranged on the upper workbench; the upper workbench is provided with a second support frame, the light source is fixed to the upper end of the second support frame, and the camera is fixed to the lower end of the second support frame.

Further, the assembling mechanism is arranged below the 180-degree station of the first indexing turntable; including set up in be used for placing the location revolving stage of rotor jackshaft on the last workstation and set up in location revolving stage below is used for driving the rotatory servo motor of jackshaft.

Further, the waste collecting mechanism is arranged below the 360-degree station of the first indexing turntable; including the waste material platform, set up in the inboard compressed air cock of waste material platform, set up in the guide housing of waste material bench end and set up in the material box of guide housing below.

Compared with the prior art, the invention has the following beneficial effects:

1. the automatic feeding, automatic picking, automatic detection and automatic assembly links are completed by arranging the mutual matching of the feeding mechanism, the picking mechanism, the image detection mechanism and the assembly mechanism which are controlled by the control system, and the assembly action is divided into four stations by the cam divider to be carried out simultaneously; the automation degree is high, the assembly quality is guaranteed, the assembly time is shortened, the assembly efficiency is improved, a large amount of labor is saved, and the production cost is reduced;

2. according to the invention, the image detection mechanism is arranged to carry out photographing detection on the plastic pieces, so that unqualified plastic pieces can be screened out; meanwhile, the angle and the number of the plastic parts can be recorded in real time, so that the deviation of the assembly angle is avoided, the accuracy of the assembly number is ensured, and the assembly qualified rate is improved;

3. according to the invention, the material taking cylinder and the material placing cylinder are both set to be in a state of being separated from the picking device, and the resetting mechanism is arranged to drive the end effector to automatically reset; not only the structure of the device is simpler, but also the stability of the whole assembly system is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic view of an apparatus for automatically assembling plastic parts according to the present invention;

fig. 2 is a schematic structural diagram of the cooperation between the first indexing turntable and the picking mechanism in the automatic plastic part assembling device provided by the invention;

FIG. 3 is a side view of the loading mechanism of FIG. 1;

FIG. 4 is a side view of the pick-up mechanism of FIG. 1;

FIG. 5 is a schematic structural diagram of the image detection mechanism in FIG. 1;

FIG. 6 is a schematic view of the assembly mechanism of FIG. 1;

FIG. 7 is a schematic view of the waste collection mechanism of FIG. 1;

fig. 8 is a schematic structural view of a rotor and plastic parts in the automatic plastic part assembling device according to the present invention.

Numerical description in the figures:

1. a frame; 11. an upper working table; 12. a lower working table; 13. a first cam intermittent divider; 14. a first indexing turntable; 15. a rectangular support frame; 16. a material taking cylinder; 17. a discharging cylinder;

2. a feeding mechanism; 21. a second cam intermittent divider; 22. a second indexing turntable; 23. a stringing rod; 24. a lifting device; 241. a servo electric cylinder; 242. a slider; 243. a first guide bar; 244. pushing a block; 245. a linear spring; 25. a correlation optical fiber; 26. a first support frame;

3. a pickup mechanism; 31. an L-shaped support frame; 32. a vertical slide rail; 33. a sliding table; 331. positioning blocks; 34. an end effector; 35. a vacuum chuck; 36. pushing the push rod; 37. a vacuum suction cup joint; 38. a second guide bar; 39. a return spring;

4. an image detection mechanism; 41. a light source; 42. a camera;

5. an assembling mechanism; 51. positioning the rotary table; 52. a servo motor;

6. a waste collection mechanism; 61. a waste station; 62. a compressed air nozzle; 63. a guide housing; 64. a material box;

7. a rotor; 71. an intermediate shaft;

8. a plastic part; 81. and a semicircular sheet.

Detailed Description

The automatic plastic part assembling device of the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention.

As shown in fig. 1 and 2, an automatic plastic part assembling device includes a frame 1, a control system (not shown), and a power source electrically connected to the control system; the frame 1 is provided with a feeding mechanism 2 for conveying the plastic pieces 8, a picking mechanism 3 for grabbing the plastic pieces 8 in a feeding area, an image detection mechanism 4 for screening the plastic pieces 8, an assembling mechanism 5 for assembling the plastic pieces 8 on the rotor 7, and a waste collecting mechanism 6 for collecting unqualified products; the control system is electrically connected with the feeding mechanism 2, the picking mechanism 3, the image detection mechanism 4, the assembling mechanism 5 and the waste material collecting mechanism 6; the power source is connected to the feeding mechanism 2, the picking mechanism 3, the assembling mechanism 5 and the waste collecting mechanism 6.

A stepped working platform is arranged on the frame 1, and comprises an upper working platform 11 and a lower working platform 12; a first cam spacing divider (not shown in the figure) is arranged on the upper workbench 11, a first indexing rotary table 14 is arranged on the first cam spacing divider, four stations A, B, C and D are arranged on the first indexing rotary table 14 in the clockwise direction and are respectively arranged on the first indexing rotary table 14 at positions corresponding to 0 degree, 90 degrees, 180 degrees and 360 degrees; each station is provided with the picking mechanism 3, and the number of the stations on the first indexing turntable 14 can be set according to the requirement, and can be less than 4 or more than 4; the picking mechanism 3 is fixedly connected with the first indexing turntable 14; the feeding mechanism 2 is positioned below the station A, the image detection mechanism 4 is positioned below the station B, and the assembly mechanism 5 is positioned below the station C; the waste collecting mechanism 6 is positioned below the D station; a rectangular support frame 15 is arranged on the upper workbench 11, two cylinders for driving the picking mechanism 3 to pick up materials or place materials are arranged at the upper end of the rectangular support frame 15, and the two cylinders comprise a material taking cylinder 16 arranged above the station A and a material placing cylinder 17 arranged above the station C; the material taking cylinder 16 and the material placing cylinder 17 are both arranged separately from the picking mechanism 3; therefore, when the first cam spacing divider drives the picking mechanism 3 to rotate, the material taking cylinder 16 and the material placing cylinder 17 are in a static state and do not rotate along with the picking mechanism 3; by adopting the separated arrangement mode, the whole structure is simpler than that of a follow-up cylinder, and the stability of the whole working system is ensured; in addition, the end part of the air cylinder is provided with a polyurethane cushion block, and the same polyurethane cushion block is arranged at the top part of the picking mechanism 3, so that the noise generated by collision between parts in the high-speed running process of a working system can be effectively avoided.

As shown in fig. 3, the feeding mechanism 2 is disposed on the lower table 12, and the feeding mechanism 2 includes a second cam intermittent divider 21 disposed on the lower table 12, a second index dial 22 disposed on the second cam intermittent divider 21, a string 23 disposed on the second index dial 22, and a lifting device 24 disposed inside the lower table 12 and located in a feeding area E; 6 stations are uniformly arranged on the second indexing turntable 22, and the string rods 23 are fixedly arranged on the stations of the second indexing turntable 22; a first support frame 26 is arranged on the lower workbench 12, and the lifting device 24 is fixedly connected with the first support frame 26; the lifting device 24 comprises a servo electric cylinder 241 fixedly connected with the first support frame 26, a slide block 242 connected with the servo electric cylinder 241 in a sliding manner, and a push block 244 connected with the slide block 242 through a first guide rod 243; the first guide rods 243 are provided with two and arranged in parallel; a linear bearing is arranged on the push block 244 at a position corresponding to the guide rod, one end of the guide rod is fixedly connected with the slide block 242, and the other end of the guide rod is connected with the linear bearing; the servo electric cylinder 241 is vertically arranged, and the servo electric cylinder 241 is used for driving the push block 244 to move up and down so as to push the plastic part 8 on the connecting rod 23 to a material taking position F; the correlation optical fiber 25 is fixedly arranged at the material taking position F, so that the upper pushing limit of the plastic part 8 can be positioned, then the plastic part 8 is grabbed by the picking mechanism 3, and the lifting device 24 and the correlation optical fiber 25 are electrically connected with the control system; meanwhile, in order to eliminate the impact on the servo electric cylinder 241 caused by the picking mechanism 3 in the process of pressing and grabbing the plastic part 8, a linear spring 245 is arranged on the lower surface of the push block 244, and a fixing ring fixedly connected with the linear spring 245 is arranged on the first guide rod 243, so that an elastic margin of 4mm is reserved on the push block 244, and the impact on the servo electric cylinder 241 caused by the picking mechanism 3 in the process of pressing is eliminated.

As shown in fig. 4, the picking mechanism 3 includes an L-shaped support 31 disposed on the first indexing turntable 14, a vertical slide rail 32 disposed on the L-shaped support 31, a slide table 33 disposed on the vertical slide rail 32, an end effector 34 disposed at a lower end of the slide table 33, and a vacuum chuck 35 disposed on the end effector 34; the sliding table 33 is connected with the vertical sliding rail 32 in a sliding manner, and two ends of the vertical sliding rail 32 are provided with limiting blocks; the top of the sliding table 33 is fixedly provided with an ejector rod 36 matched with the material taking cylinder 16 for use, the lower surface of the sliding table 33 is fixedly connected with the end effector 34, and the inner cavity of the end effector 34 simulates the back size of the plastic part 8, so that the plastic part 8 can be conveniently grabbed; the vacuum suction cups 35 are fixedly connected with the end effector 34 and are positioned on the side surface of the inner cavity of the end effector 34, three groups of vacuum suction cups 35 are arranged, the difference between each group is 120 degrees, the positions of the outer side surface of the end effector 34 corresponding to the vacuum suction cups 35 are provided with vacuum suction cup joints 37, the vacuum suction cups 35 simulate the radian of the conical surface of the plastic part 8 and adopt 2-section organ type, and the cup mouths are 1mm higher than the contour surface; not only facilitates the tight absorption of the plastic member 8 within the cavity of the end effector 34, but also maintains the shape of the plastic member 8 unchanged.

A second guide rod 38 is fixedly arranged at the rear end of the upper surface of the end effector 34, a positioning block 331 which is slidably connected with the second guide rod 38 is arranged at the rear end of the vertical slide rail 32, a return spring 39 is arranged between the second guide rod 38 and the positioning block 331, and an anti-falling cap is arranged at the upper end of the second guide rod 38; the positioning block 331, the return spring 39 and the second guide rod 38 form a return mechanism; when material is taken, the material taking cylinder 16 pushes the ejector rod 36 to move vertically so as to drive the sliding table 33 to slide along the vertical sliding rail 32, so that the end effector 34 is driven to move downwards to grab the plastic part 8, in the downward movement process of the end effector 34, the second guide rod 38 moves downwards along with the end effector 34, the return spring 39 is compressed, and after the grabbing action is completed, the material taking cylinder 16 returns, and the end effector 34 resets under the action force of the return spring 39; then, the vertical slide rail 32 is driven by the second cam intermittent divider 21 to rotate to the position above the image detection mechanism 4, so that the plastic part 8 is photographed, and whether the plastic part 8 is qualified is detected.

As shown in fig. 5, the image detection mechanism 4 includes a light source 41 disposed directly below the end effector 34 and a camera 42 disposed directly below the light source 41; the camera 42 is electrically connected with the control system; the upper workbench 11 is provided with a second support frame, the upper end of the second support frame is fixedly provided with a support platform, the light source 41 is fixedly connected with the support platform, the light source 41 adopts a bowl-type LED light source, the interval between the upper surface of the light source 41 and the lower surface of the end effector 34 is 10mm, and the influence of phenomena such as polarization, astigmatism and the like on a judgment result can be reduced while the light source is provided for the camera 42; a supporting plate is arranged in the middle of the second supporting frame, and the camera 42 is fixedly connected with the supporting plate; the camera 42 adopts an industrial camera and adopts a 200 ten thousand pixel telephoto lens, and the resolution can reach 0.1mm, so that the detection accuracy is ensured; after the end effector 34 picks up the plastic part 8, the end effector 34 is driven by the first cam indexer 13 to rotate to above the image detection mechanism 4, the camera 42 is aligned with the plastic part 8 to take a picture, and the picture is transmitted to the control system to be compared with the picture stored in the control system; if the plastic part 8 is qualified, storing the data and counting; then the control system issues an instruction to start the first cam intermittent divider 13 to drive the end effector 34 to rotate to the position right above the rotor 7, and the plastic part 8 is assembled on the intermediate shaft 71 of the rotor 7; if not, the control system commands directly to activate the first cam indexer 13 to rotate the end effector 34 directly above the scrap table to deposit the plastic articles 8 into the scrap collecting mechanism 6.

As shown in fig. 6, the assembling mechanism 5 includes a positioning turntable 51 provided on the upper table 11 for placing the intermediate shaft 71 thereon and a servo motor 52 provided below the positioning turntable 51; the servo motor 52 is fixedly connected with the positioning rotary table 51, and the servo motor 52 is used for driving the positioning rotary table 51 to rotate so as to drive the intermediate shaft 71 to rotate; the servo motor 52 is electrically connected with the control system; six shell ribs are arranged on the outer side surface of the intermediate shaft 71 and are uniformly distributed, and the lower end of the intermediate shaft 71 is of a hexagonal structure; a structural body which is consistent with the hexagonal structure on the intermediate shaft 71 is arranged on the plastic piece 8, and when the plastic piece 8 is assembled, the intermediate shaft 71 needs to be rotated for a certain angle to enable the angle between the hexagonal structure on the intermediate shaft 71 and the structural body on the plastic piece 8 to be consistent, and then the assembly is carried out; the control system calculates the angle of the intermediate shaft 71 required to rotate according to the pictures provided by the image detection mechanism 4, and then issues an instruction to start the servo motor 52 to drive the intermediate shaft 71 to rotate to a specified angle, so as to complete the assembly of the first plastic part 8; as shown in fig. 8, a half disc 81 is integrally formed on the structure of the plastic part 8, and in the assembly process, the half discs 81 on two adjacent plastic parts 8 are separated by 120 degrees, that is, each assembly requires that the intermediate shaft 71 is rotated clockwise by 120 degrees until the assembly of 48 plastic parts is completed.

As shown in fig. 7, the scrap collecting mechanism 6 includes a scrap table 61, a compressed air nozzle 62 disposed inside the scrap table 61, a guide cover 63 disposed on the scrap table 61, and a material box 64 disposed below the guide cover 63; the waste material table 61 is positioned right below the end effector 34 and is fixedly connected with the upper workbench 11 through a support rod; the guide cover 63 is fixedly connected with the waste material table 61; when the plastic part 8 is unqualified, the control system issues a command to start the first cam intermittent divider 13 to drive the end effector 34 to rotate above the waste table 61, then the vacuum is closed, and the plastic part 8 is placed on the waste table 61; and the compressed air nozzle 62 is opened to blow the plastic parts 8 down into the material box 64, and the unqualified plastic parts 8 are intensively treated after the plastic parts 8 are fully stored in the material box 64.

As shown in fig. 1 to 8, the working flow of the present invention is as follows:

automatic feeding: manually and quickly loading the plastic parts 8 into the string rods 23 on the second indexing turntable 22 by using handheld string rods, starting the second cam intermittent divider 21 to drive the second indexing turntable 22 to rotate so as to rotate the string rods 23 to the feeding area E, and pushing the plastic parts 8 on the string rods 23 to the material taking position F by the lifting device 24 positioned in the feeding area E.

Self-picking up: starting the material taking air cylinder 16 to move downwards to push the push rod to move so as to drive the end effector 34 to move to a material taking position F to grab the plastic part 8, and simultaneously opening vacuum to vacuumize the vacuum chuck 35 so as to completely adsorb the plastic part 8 in the inner cavity of the end effector 34; then the material taking cylinder 16 is retracted, the end effector 34 is returned by the urging force of the return spring 39, and the first cam intermittent divider 13 rotates the end effector 34 to a position directly above the camera 42.

Automatic detection: the camera 42 is aligned with the plastic part 8 to take a picture, the picture is transmitted to a control system in real time and compared with pictures stored in the control system, if the plastic part 8 is qualified, the number and the angle of the plastic part 8 are recorded, the control system calculates the angle of the middle shaft 71 needing to rotate by analyzing the angle of the plastic part 8 in the picture, and sends an instruction to start the first cam intermittent divider 13 to drive the end effector 34 to rotate to the position right above the rotor 7.

Automatic assembly: the servo motor 52 drives the intermediate shaft 71 to rotate to the position according to the angle value provided by the control system; the material taking and placing cylinder 17 moves downwards, the end effector 34 is driven to a material placing position G by pushing the push rod 36, meanwhile, the vacuum is closed, and the plastic pieces 8 are assembled on the middle shaft 71 of the rotor 7; when the second plastic part 8 is assembled, the servo electric cylinder 241 needs to be started to drive the intermediate shaft 71 to rotate 120 degrees clockwise, and the assembly of the second plastic part 8 is completed; the difference between the semicircular plate 81 on the third piece of plastic member 8 and the semicircular plates 81 on the first and second pieces of plastic member 8 is 120 degrees; the semicircular sheet 81 on the fourth sheet is overlapped with the semicircular sheet 81 on the first sheet, the fifth sheet is overlapped with the semicircular sheet 81 on the second sheet, the sixth sheet is overlapped with the semicircular sheet 81 on the third sheet, and so on until the assembly of 48 plastic parts 8 is completed.

Automatically removing waste materials: if the plastic part 8 is not qualified, the control system issues an instruction to start the first cam intermittent divider 13 to drive the end effector 34 to rotate to the position right above the waste table 61, the vacuum is closed, the plastic part 8 is placed on the waste table 61, and the compressed air nozzle 62 is opened to blow the plastic part 8 into the material box 64.

It will be apparent that the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention.

Claims

1. An automatic plastic part assembling device comprises a rack and a control system; the method is characterized in that: the frame is provided with a feeding mechanism, a picking mechanism, an image detection mechanism, an assembling mechanism and a waste collecting mechanism; the control system is electrically connected with the feeding mechanism, the picking mechanism, the image detection mechanism, the assembling mechanism and the waste collecting mechanism; the machine frame is provided with a workbench, the workbench is provided with a first indexing turntable driven by a driving mechanism, and the picking mechanism is arranged on the first indexing turntable; the feeding mechanism, the detection mechanism, the assembly mechanism and the waste collecting mechanism are uniformly distributed on the periphery of the first indexing turntable;

the driving mechanism is set as a first cam intermittent divider, the first indexing turntable is provided with 4 stations, and the picking mechanism is fixedly connected with the first indexing turntable; the workbench is provided with a rectangular support frame, the upper end of the rectangular support frame is provided with two cylinders for driving the picking mechanism to take or discharge materials, and the two cylinders are separated from the picking mechanism; the material taking device comprises a material taking cylinder arranged above a 0-degree station of a first indexing turntable and a material placing cylinder arranged above a 180-degree station of the first indexing turntable;

the feeding mechanism comprises a second cam intermittent divider arranged below the lower workbench, a second indexing turntable arranged on the second cam intermittent divider and a string rod arranged on the second indexing turntable, and 6 stations are arranged on the second indexing turntable; a lifting device for pushing the plastic piece is arranged at the feeding area on the inner side of the lower workbench;

a first support frame is arranged on the lower workbench; the lifting device comprises a servo electric cylinder fixedly connected with the first support frame, a sliding block connected with the servo electric cylinder in a sliding manner, and a push block connected with the sliding block through a first guide rod; a positioning ring is arranged on the guide rod, and a linear spring is arranged between the lower surface of the push block and the positioning ring; the upper end of the lifting device is positioned in the material taking area and is provided with a correlation optical fiber for positioning the upper limit of feeding;

the picking mechanism comprises an L-shaped support frame arranged on the first indexing rotary table, a vertical slide rail arranged on the L-shaped support frame, a sliding table arranged on the vertical slide rail and connected with the vertical slide rail in a sliding manner, an end effector arranged at the lower end of the sliding table and fixedly connected with the sliding table, and a vacuum chuck arranged in an inner cavity of the end effector; the top of slip table be equipped with the ejector pin that the cylinder cooperation was used.

2. An automated plastic part assembling apparatus as claimed in claim 1, wherein: the workbench is in a step shape and comprises an upper workbench and a lower workbench which are connected with each other, and the first indexing turntable, the image detection mechanism, the assembling mechanism and the waste material collecting mechanism are all arranged on the upper workbench; the feeding mechanism is arranged on the lower workbench.

3. An automated plastic part assembling apparatus as claimed in claim 2, wherein: the upper surface of end effector is equipped with the second guide bar, the slide rail rear end be equipped with second guide bar sliding connection's locating piece, the second guide bar with be equipped with reset spring between the locating piece.

4. An apparatus for automatically assembling plastic parts according to claim 3, wherein: the detection mechanism is arranged below the 90-degree station of the first indexing turntable; comprises a light source and a camera arranged on the upper workbench; the upper workbench is provided with a second support frame, the light source is fixed to the upper end of the second support frame, and the camera is fixed to the lower end of the second support frame.

5. An automated plastic part assembling apparatus as claimed in claim 4, wherein: the assembling mechanism is arranged below the 180-degree station of the first indexing turntable; including set up in be used for placing the location revolving stage of rotor jackshaft on the last workstation and set up in location revolving stage below is used for the drive the rotatory servo motor of jackshaft.

6. An automated plastic part assembling apparatus as claimed in claim 5, wherein: the waste collecting mechanism is arranged below the 360-degree station of the first indexing turntable; including the waste material platform, set up in the inboard compressed air cock of waste material platform, set up in the guide housing of waste material bench end and set up in the material box of guide housing below.