CN113441948B - High-precision and high-efficiency assembling production line for engine accessories - Google Patents

Abstract

The invention discloses a high-precision and high-efficiency assembly production line for engine accessories, which comprises a plurality of trays, a conveying line for conveying the trays to each work station, a vertical warehouse feeding unit and a vertical warehouse discharging unit which are arranged at two ends of the conveying line, a sleeve sealing ring work station, a first automatic assembly work station, a second automatic assembly work station, a first manual assembly work station, a second manual assembly work station and an aviation connector assembly work station, wherein the sleeve sealing ring work station, the first automatic assembly work station, the second automatic assembly work station, the first manual assembly work station, the second manual assembly work station and the aviation connector assembly work station are arranged along the conveying line; all parts required for completing the assembly of a set of engine accessories are carried on the tray. The invention realizes the automatic assembly of most parts on engine accessories, greatly improves the assembly efficiency and the assembly precision, ensures the product quality and reduces the labor cost.

Description

High-precision and high-efficiency assembling production line for engine accessories

Technical Field

The invention belongs to the technical field of automatic equipment, and particularly relates to a high-precision and high-efficiency assembly production line for engine accessories.

Background

At present, an aerospace engine product comprises a fitting, and the fitting comprises a great number of parts, so that most of the assembly of the fitting is manually assembled at present, the assembly efficiency is low, the assembly precision and quality are difficult to ensure, and the assembly method cannot meet the high-precision requirement for the aerospace engine.

The assembly parts of the engine accessory are numerous, and the assembly parts comprise a switching valve, an equal-pressure difference executing valve bushing, an equal-pressure difference sensitive valve bushing, an outlet blanking cover, a throttle nozzle, a plurality of blanking caps and bushing guide nails, an inlet blanking cover, a plurality of spring seats, a spring, a switching valve bushing, a gasket, a switching valve cover, the installation of the equal-pressure difference executing valve cover and the equal-pressure difference sensitive valve cover, the locking of screws and locking plates and the like. In the prior art, a production line is not used for realizing the assembly of the parts, so that the assembly efficiency of the accessories is low and the quality is not guaranteed.

Therefore, there is a need to provide a new high-precision and efficient assembly line for engine fittings to solve the above-mentioned problems.

Disclosure of Invention

One of the main purposes of the invention is to provide a high-precision and high-efficiency assembly production line for engine accessories, which realizes the automatic assembly of most parts on the engine accessories, greatly improves the assembly efficiency and the assembly precision, ensures the product quality and reduces the labor cost.

The invention realizes the aim through the following technical scheme: the high-precision and high-efficiency assembly production line for the engine accessories comprises a plurality of trays, a conveying line for conveying the trays to each work station, a vertical warehouse feeding unit and a vertical warehouse discharging unit which are arranged at two ends of the conveying line, a sleeve sealing ring work station, a first automatic assembly work station, a second automatic assembly work station, a first human tool assembly work station, a second human assembly work station and an aviation connector assembly work station which are arranged along the conveying line; all parts required for completing the assembly of a set of engine accessories are carried on the tray.

Furthermore, the spare part is born through the tracing board, still be provided with on the tracing board and carry out spacing subassembly that puts the subassembly that is in the same place through part spare part equipment and put the cave, be provided with in the vertical storehouse material loading unit and detect whether the spare part on the tracing board is in place first CCD vision module.

Further, the sealing ring sleeving workstation comprises a sealing ring cartridge clip feeding unit, a second CCD (charge coupled device) vision module and a first measuring unit, wherein the sealing ring cartridge clip feeding unit is arranged beside the conveying line, the second CCD vision module is used for detecting whether parts on the tracing board are in place or not, and the first measuring unit is used for detecting whether part assemblies are assembled in place or not.

Further, the first automatic assembly workstation comprises a second carrying robot, a first rotary fixed transfer unit, a first horizontal transfer robot, a first press fitting unit, a break difference measuring unit, a first locking unit, a first screw feeding unit, a cover step measuring unit, a screw fitting transfer unit, a first robot quick change clamp unit and an oil supply oiling module, wherein the first rotary fixed transfer unit is used for fixing a workpiece and moving between a feeding station and an assembly station, the first press fitting unit is driven by the first horizontal transfer robot to move perpendicular to the moving direction of the first rotary fixed transfer unit, the cover step measuring unit is used for detecting the depth of the step in a cover body to be assembled, and the screw fitting transfer unit is used for realizing the transfer of a plug cap guide pin part.

Further, the second automatic assembly workstation comprises a third carrying robot, a second rotary fixed transfer unit, a second horizontal transfer robot, a second press mounting unit, a locking plate screw mounting unit, a second screw feeding unit, a locking plate feeding bending unit, a second robot quick-change clamp unit and a gasket washer feeding unit, wherein the second rotary fixed transfer unit is used for fixing a workpiece and moving between a feeding station and an assembly station, and the second press mounting unit and the locking plate screw mounting unit are driven by the second horizontal transfer robot to move along an XY axis.

Further, the difference between the first motor and the second motor is measured, and the difference between the first motor and the second motor is measured; the cover step measuring unit comprises a fourteenth motor, an eighth supporting plate driven by the fourteenth motor to move back and forth, a fourth cylinder fixed on the eighth supporting plate, a third displacement sensor driven by the fourth cylinder to move up and down, and a plurality of measuring reference platforms positioned above the moving path of the eighth supporting plate.

Further, the locking plate screw installing unit comprises a twelfth motor, a seventh supporting plate driven by the twelfth motor to move up and down, a third air cylinder and a thirteenth motor which are fixed on the seventh supporting plate, a second locking unit driven by the third air cylinder to move up and down, a rotating shaft rotatably arranged below the seventh supporting plate and driven by the thirteenth motor to rotate, a second mounting plate fixed at the bottom of the rotating shaft, and locking plate clamping claws fixed on the second mounting plate, wherein the screwdriver head in the second locking unit axially penetrates through the rotating shaft.

Further, the locking plate feeding bending unit comprises a vibrating plate, a runner in butt joint with the output end of the vibrating plate, a direct vibration unit arranged below the runner, a bearing block in butt joint with the tail end of the runner, a pressing mechanism for pressing the locking plate, a second lifting mechanism matched with the pressing mechanism for upwards lifting the bent locking plate out of the bearing block, a first bending mechanism for upwards bending one free end of the locking plate and a second bending mechanism for downwards bending the other free end of the locking plate.

Further, the first man-machine tool distribution station comprises a machine table, a rotary supporting platform which is horizontally movably arranged on the machine table and moves between a measuring station and an assembling station, a second measuring unit which is arranged above the measuring station, a rack which is arranged on the machine table and faces to the assembling station, an intelligent material rack which is arranged on the rack and is used for intelligently distributing materials according to the measuring result of the second measuring unit, a tool placing rack which is fixed on the rack and is arranged above two sides of the assembling station, and a hand-held screw gun; the frame is also provided with a camera, a display and an oilcan placing platform; the machine is also provided with a code scanning gun, a measuring tool storage box and a part storage box.

Further, the aviation connector assembly workstation comprises a workpiece positioning jig moving back and forth, a fifteenth support plate horizontally moving left and right, a fixed-length cutting unit, a laser wire stripping unit, a peeling and twisting unit, a needle shrinkage detection unit and a plastic terminal plugging unit which are sequentially and fixedly arranged on the fifteenth support plate from left to right, a shorting wire clamping and carrying unit, a shorting wire feeding unit and a plastic terminal feeding unit matched and butted with the plastic terminal plugging unit, wherein the shorting wire clamping and carrying unit, the shorting wire feeding unit and the plastic terminal feeding unit are correspondingly arranged on the workpiece positioning jig.

Compared with the prior art, the high-precision and high-efficiency assembly production line for the engine accessories has the beneficial effects that: the automatic assembly of most parts in the engine accessory is realized, the assembly efficiency and the assembly precision are greatly improved, and the assembly quality of the product is reliably ensured.

Drawings

FIG. 1 is a schematic top view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a neutral warehouse feeding unit according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a first handling robot according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a material handling robot according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a bidirectional material supporting unit according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a blanking unit of a neutral warehouse according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a station for sleeving sealing rings in accordance with an embodiment of the present invention;

FIG. 8 is a schematic diagram of a first measurement unit according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a first automated assembly station according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a second automated assembly station according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a second handling robot according to an embodiment of the present invention;

Fig. 12 is a schematic structural view of a movable end of a second handling robot according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a first horizontal transfer robot and a first rotary fixed transfer unit according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a rotary supporting unit according to an embodiment of the present invention;

fig. 15 is a schematic structural view of a first horizontal transfer robot according to an embodiment of the present invention;

FIG. 16 is a schematic view showing a structure of a cover step measuring unit according to an embodiment of the present invention;

FIG. 17 is a schematic diagram of a screw-mounted transfer unit according to an embodiment of the present invention;

fig. 18 is a schematic structural view of a second horizontal transfer robot according to an embodiment of the present invention;

Fig. 19 is a schematic structural view of a lock plate feeding and bending unit according to an embodiment of the present invention;

FIG. 20 is a schematic view of a part of a lock plate feeding and bending unit according to an embodiment of the present invention;

FIG. 21 is a schematic view showing a partial structure of a lock plate feeding and bending unit according to an embodiment of the present invention;

FIG. 22 is a schematic diagram of a first station according to an embodiment of the present invention;

FIG. 23 is a schematic diagram of a first and a second manual assembly station according to an embodiment of the present invention;

FIG. 24 is a schematic view of a rotary support platform and a second measurement unit according to an embodiment of the present invention;

FIG. 25 is a schematic view of a rotary support platform according to an embodiment of the present invention;

FIG. 26 is a schematic view of an aircraft joint assembly station according to an embodiment of the present invention;

FIG. 27 is a schematic diagram of a tool positioning fixture according to an embodiment of the present invention;

FIG. 28 is a schematic diagram of a needle retraction detecting unit according to an embodiment of the present invention;

fig. 29 is a schematic structural view of a plastic terminal plugging unit according to an embodiment of the invention;

FIG. 30 is a schematic diagram of a shorting clip carrying unit according to an embodiment of the present invention;

The figures represent the numbers:

100 high-precision and high-efficiency assembly production line for engine accessories; 101 a housing trace plate; 102 part form board;

The device comprises a conveying line 1, a conveying line 11 on the upper layer, a conveying line 12 on the lower layer, a lifting mechanism 13, a blocking mechanism 14 and a first lifting mechanism 15;

The device comprises a2 vertical warehouse feeding unit, a 21 first conveying line, a 22 three-dimensional storage unit, a 221 storage unit, a 23 first CCD (charge coupled device) vision module, a 24 first transfer robot, a 241 fourth motor, a 242 fifth motor, a 243 third supporting plate, a 244 lifting cylinder, a 245 fourth supporting plate, a 246 sixth motor, a 247 first rotary supporting plate, a 248 seventh motor, a 249 clamping jaw, a 25 second conveying line, a 26 material storing and taking robot, a 261 first motor, a 262 first supporting plate, a 263 second motor, a 264 second supporting plate, a 265 two-way material supporting unit, a 2651 movable supporting seat, a 26511 rolling sliding rail, a 2652 third motor, a 2653 movable supporting plate, a 2654 first synchronous pulley, a 2655 first gear, a 2656 second synchronous pulley, a 2657 second gear and a 2658 second rack;

3, a vertical warehouse blanking unit and 31 is used for receiving a blanking mechanism;

4 sets of sealing ring work stations, a 41 sealing ring cartridge clip feeding unit, a 42 second CCD visual module, a 43 first measuring unit, a 431 supporting seat, a 432 positioning supporting column, a 433 first cylinder, a 434 second cylinder, a 435 first displacement sensor and a 44 file frame;

A first automatic assembly station 5, a second transfer robot 51, a first CCD camera 511, a second CCD camera 512, a multi-axis robot 513, a first mounting plate 514, a flexible compensation module 515, a quick-change clamp 516, a male head assembly 5161, a female head assembly 5162, a clamp 5163, a first rotary fixed transfer unit 52, a first rotary support plate 521, a sixth support plate 522, a rotary support unit 523, a ninth motor 5231, a second rotary support plate 5232, a first positioning column 5233, a first compression mechanism 5234, a first locking plate 524, a locking mechanism 525, a first horizontal transfer robot 53, a first compression unit 54, a tenth motor 541, a compression head 542, a quick-change compression head unit 543, a quick-change differential measurement unit 55, an eleventh motor 552, a second displacement sensor 552, a first locking unit 56, a first screw feed unit 57, a cover step measurement unit 58, a fourteenth motor 581, a eighth support plate 582, a fourth cylinder 583, a third displacement sensor 585, a reference measurement platform 59, a first displacement sensor 59, a fifth displacement unit 591, a fifth support plate 541, a tenth motor 541, a fourth cylinder 542, a quick-change compression head unit 543, a quick-change compression head unit 55, a differential measurement unit 55, a first compression head unit 592, a first clamping jaw 510;

A second automatic assembly station, a third transfer robot, a second rotary fixing transfer unit, a second horizontal transfer robot, a second press-fitting unit, a lock plate screw locking unit, a twelfth motor, a seventh support plate 652, a third cylinder 653, a thirteenth motor 654, a second lock unit 655, a 656 head, a second mounting plate 657, a lock plate clamping jaw 658, a second screw feeding unit 66, a lock plate feeding bending unit 67, a vibration plate 671, a 672 runner 673 direct vibration unit, a support block 674, a pressing mechanism 675, a seventh cylinder 675, a pressing rod 675, an upper limit stop block 675, a limit stop rod 675, a third mounting plate 6755, a second jacking mechanism 676, a sixth cylinder 6761, a support rod 6772, a first bending mechanism 6771, an eighth cylinder 6772, a slide block 6773 driving wedge, a 6774 first bending block 678, a second bending mechanism 6781, a ninth cylinder 6782 tenth support plate 6784, a 6784 tenth support plate 6768, a 674, a eleventh support plate 5, a quick-change gasket, and a quick change machine 69;

A first person tooling station, 71 a machine, 72 a rotary support platform, 721 a slide rail, 722 a twelfth support plate, 723 a third rotary support plate, 724 a second positioning column, 725 a compression clamp, 726 a second lock plate, 727 a mechanical lock pin, 728 a support seat, 729 a handle, 7210 a locking bolt, 7211 a locking mechanism, 73 a second measuring unit, 731 a fifteenth motor, 732 a thirteenth support plate, 733 a sixteenth motor, 734 a seventeenth motor, 735 a fourth displacement sensor, 74 a machine frame, 75 an intelligent material frame, 76 a tool placement frame, 77 a handheld screw gun, 78 a camera, 79 a display, 710 a code scanner, 711 a measuring tool storage box, 712 a part storage box, 713 an oilcan placement platform;

8, a second manual assembly station;

9 aviation connector assembly stations, 91 workpiece positioning jigs, 911 eighteenth motors, 912 sixteenth support plates, 913 hinging seats, 914 rotary support plates, 915 support positioning columns, 916 compaction clamps, 917 mounting frames, 918 wire clamping jigs, 92 fifteenth support plates, 93 fixed-length cutting units, 94 laser wire stripping units, 95 wire stripping twisting units, 96 needle shrinkage detection units, 961 nineteenth motors, 962 seventeenth support plates, 963 pressure sensors, 964 ejector pins, 97 plastic terminal plugging units, 971 eleventh cylinders, 972 wire fixing units, 973 material clamping units, 974 plugging transfer units, 98 shorting wire clamping and conveying units, 981 twentieth motors, 982 twenty first motors, 983 eighteenth support plates, 984 twelfth cylinders, 985 racks, 986 rotary shafts, 987 gears, 988 wires, 989 wire pressing pieces, 910 plastic terminal feeding units and 920 resistance testers;

A gasket feeding unit 10.

Detailed Description

Example 1

Referring to fig. 1-30, the present embodiment is a high-precision and high-efficiency assembly line 100 for engine accessories, which includes a plurality of trays (not labeled in the drawings), a conveying line 1 for conveying the trays to each station, a vertical warehouse feeding unit 2 and a vertical warehouse discharging unit 3 disposed at two ends of the conveying line 1, a sealing ring sleeving station 4 disposed along the conveying line 1, a first automatic assembler station 5, a second automatic assembler station 6, a first manual assembling station 7, a second manual assembling station 8, and an air joint assembler station 9.

The tray is provided with a shell tracing board 101 and one or two part tracing boards 102, the shell tracing board 101 is loaded with an engine accessory shell, and the part tracing board 102 is loaded with all parts to be assembled required for forming an engine accessory; if one part form 102 is capable of carrying all of the complete set of parts, then only one part form 102 may be placed on the tray, and if one is not, two part forms 102 may be placed. In this embodiment, one tray houses two part form panels 102.

The conveyor line 1 comprises an upper layer conveyor line 11, a lower layer conveyor line 12 and lifting mechanisms 13 arranged at two ends of the upper layer conveyor line 11 and the lower layer conveyor line 12. The upper conveyor line 11 is used for moving the pallet to each station position for assembly, and the lower conveyor line 12 is used for recycling the backflow of the pallet and simultaneously sending the empty tracing board back. The lifting mechanism 13 is used for transferring transition between the upper layer conveying line 11 and the lower layer conveying line 12.

The upper layer conveying line 11 is provided with a blocking mechanism 14 and a first jacking mechanism 15 corresponding to the positions of the sleeve sealing ring work station 4, the first automatic assembly work station 5, the second automatic assembly work station 6, the first manual assembly work station 7, the second manual assembly work station 8 and the aviation connector assembly work station 9. The blocking mechanism 14 is used for blocking the pallet from going forward continuously, and the first jacking mechanism 15 is used for jacking the pallet to be separated from the conveying line to realize secondary positioning.

The vertical warehouse feeding unit 2 comprises a first conveying line 21 for inputting the form board loaded with the shell or the parts, a three-dimensional warehouse unit 22 positioned beside the first conveying line 21, a first CCD vision module 23 for detecting the parts on the form board input by the first conveying line 21, and a first transfer robot 24 for transferring the form board. A second conveyor line 25 is arranged next to the first conveyor line 21 in parallel and is in butt joint with the conveyor line 1 for reflowing the empty form board, on which the operator places the housing or the component parts again and then on the first conveyor line 21 for realizing the re-feeding.

The three-dimensional storage unit 22 comprises two storage units 221 which are distributed oppositely, and a material storing and taking robot 26 which shuttles between the two storage units 221. The storage unit 221 is formed with a plurality of storage spaces distributed in a space array, and the material-storing robot 26 puts the housing form board 101 and the part form board 102 into or out of the storage spaces. The material storing and taking robot 26 comprises a first motor 261, a first supporting plate 262 driven by the first motor 261 to horizontally and linearly move forwards and backwards, a second motor 263 fixed on the first supporting plate 262, a second supporting plate 264 driven by the second motor 263 to vertically move, and a bidirectional material supporting unit 265 fixed on the second supporting plate 264.

The bidirectional material supporting unit 265 includes a movable supporting seat 2651 fixed on the second supporting plate 264, a third motor 2652 fixed at one end of the movable supporting seat 2651, a movable supporting plate 2653 horizontally movably arranged on the movable supporting seat 2651, a rotary supporting shaft (not shown in the figure) rotatably arranged at the other end of the movable supporting seat 2651, a first synchronous pulley 2654 and a first gear 2655 fixedly arranged on an output shaft of the third motor 2652, a second synchronous pulley 2656 and a second gear 2657 fixedly arranged on the rotary supporting shaft, and a second rack 2658 fixed at the bottom of the movable supporting plate 2653 and meshed with the first gear 2655 and the second gear 2657, wherein the first synchronous pulley 2654 and the second synchronous pulley 2656 are connected together through a synchronous belt. Both sides and the middle of the movable supporting seat 2651 are provided with rolling sliding rails 26511, and the movable supporting plate 2653 is provided with sliding grooves (not labeled in the figure) matched with the rolling sliding rails 26511. The first synchronous pulley 2654 and the first gear 2655 are driven to rotate through the third motor 2652, the second synchronous pulley 2656 is synchronously rotated under the transmission action of the synchronous belt, the second gear 2657 is further driven to synchronously rotate all the time, the movable supporting plate 2653 is driven to move and stretch out towards one end of the movable supporting seat 2651 under the transmission that the first gear 2655 is meshed with the second gear 2658, materials are taken and placed in a storage bin which stretches into one side of the three-dimensional storage unit 3, in the moving process of the second gear 2658, the materials are meshed with the first gear 2655 and the second gear 2657 at first, only meshed with the first gear 2655 along with the continuous stretching, and then stretching out is achieved by the rotary driving of the first gear 2655; similarly, when the movable supporting plate 2653 needs to move towards the other end of the movable supporting seat 2651 to extend, the second gear 2657 is only used for rotating to drive the movable supporting plate 2653 to extend to the proper position, so that the movable supporting plate 2653 can be driven in two directions by only one driving source.

The first transfer robot 24 includes a fourth motor 241, a fifth motor 242 driven by the fourth motor 241 to move forward and backward, a third support plate 243 driven by the fifth motor 242 to move left and right, a lifting cylinder 244 fixed to the third support plate 243, a fourth support plate 245 driven by the lifting cylinder 244 to move up and down, a sixth motor 246 fixed to the fourth support plate 245, a first rotary support plate 247 driven by the sixth motor 246 to move horizontally, a seventh motor 248 fixed to the first rotary support plate 247, and a jaw 249 driven by the seventh motor 248 to perform a gripping or opening operation. The first transfer robot 24 is a four-axis robot formed by a fourth motor 241, a fifth motor 242, a lifting cylinder 244, and a sixth motor 246, and realizes three-axis linear transfer drive and Z-axis rotation drive, and the gripping jaw 249 is driven by a seventh motor 248 to perform gripping operation.

The working principle of the vertical warehouse feeding unit 2 is as follows: each part to be assembled is placed on the tracing board, is conveyed to a set position through a first conveying line 21, whether the part on the tracing board is missing or not and whether the placement position is correct or not is detected through a first CCD vision module 23, and if the detection is unqualified, the part is conveyed to a second conveying line 25 by a first conveying robot 24 to return to be subjected to material supplementing or repairing; if the detection is qualified, the first carrying robot 24 clamps the material to be placed on the material storing and taking robot 26, and the material storing and taking robot 26 stores the material in the storage unit 221; in this embodiment, on the assembly line of engine accessories, the assembly of each set of accessories is matched to provide a set of shell tracing board for bearing the shell, two sets of part tracing boards for bearing the parts, 12 sets of shell tracing boards and 24 sets of part tracing boards can be stored in the three-dimensional storage unit 22, and the storage quantity of the parts tracing boards can be flexibly designed; after a feeding command is sent out on the production line, the storage and taking robot 26 gradually takes out 1 set of shell shape trace boards and 2 sets of part shape trace boards from the storage unit 221, then the shell shape trace boards are conveyed to a tray of the lifting mechanism 13 by the first conveying robot 24, conveyed to the upper conveying line 11 by the lifting mechanism 13, and then conveyed to each station along with the tray passing through the upper conveying line 11 to realize feeding.

The vertical warehouse blanking unit 3 has basically the same structure as the vertical warehouse feeding unit 2, and also comprises a vertical warehouse unit 22, a first CCD vision module 23, a first transfer robot 24 and a material storing robot 26; the difference is that: the first conveyor line 21 and the second conveyor line 25 are not arranged in the vertical warehouse blanking unit 3, but a receiving and blanking mechanism 31 for receiving the products taken out by the storage and taking robot 26 and moving the products to a blanking station to be manually or mechanically taken out is arranged. The assembled parts conveyed by the upper conveying line 11 are conveyed by the first conveying robot 24 and then put on the material storing and taking robot 26, the assembled parts are stored in the three-dimensional storage unit 22 by the material storing and taking robot 26, and when the unified blanking is required, the product is taken out from the three-dimensional storage unit 22 by the material storing and taking robot 26, and then the product is placed on the material receiving and taking mechanism 31 and moved to a blanking station.

In this embodiment, the positions of the sealing ring sleeving work station 4, the first automatic assembly work station 5, the second automatic assembly work station 6, the first manual assembly work station 7, the second manual assembly work station 8 and the aviation connector assembly work station 9 are all provided with a camera and a display. And through the high-definition video monitoring camera, the assembly working image of the whole station in the whole day is completely recorded, and the video data are captured (the key process is defined by a customer, a capture starting button is pressed before the key process is carried out, and an end button is pressed after the key process is finished) and uploaded to an upper computer system for storage every day. The video recording is recorded in a segmented mode by taking the product as a unit, an operator scans the two-dimension code of the product, the video recording is started until the operator scans the two-dimension code of the subsequent product, and the video is segmented in a suspension mode. Each section of video record data is bound with the corresponding product, so that the follow-up quality control and tracing are facilitated.

The gasket station 4 comprises a gasket magazine feeding unit 41 arranged beside the conveyor line 1, a second CCD vision module 42 for detecting whether the parts on the form board are in place or not, and a first measuring unit 43 for detecting whether the partial assembly is assembled in place or not. The sealing ring sleeving workstation 4 is also provided with a file frame 44, 12 file bags can be placed on the file frame 44, files of 12 sets of products produced in the shift are respectively placed, and corresponding files can be manually taken from the file frame to review relevant information. The first measuring unit 43 includes a supporting seat 431 horizontally movably disposed, a plurality of positioning support columns 432 fixed on the supporting seat 431, a first cylinder 433 driving the supporting seat 431 to horizontally move, a second cylinder 434 located above the supporting seat 431, and a first displacement sensor 435 driven by the second cylinder 434 to move up and down.

In the sleeve sealing ring station 4, the following steps are mainly completed: 1) All plugs, laminate plates, pore plates, small Kong Jie flow nozzles, switching valve bushings, isobaric difference execution valve bushings (assemblies), metering valve bushings, isobaric difference sensitive valve bushings, bushings of q-value valve assemblies, and assembling and smoothening sealing rings on assembled parts such as covers, inlet and outlet protective covers, angular displacement covers, adjusting nails, stop blocks and the like; 2) The stop block and the adjusting screw are screwed into the size end cover of the metering valve, and the size is ensured. Continuously placing the part assembled with the sealing ring on the original trace plate position; the large end cover and the small end cover of the metering valve assembled with the adjusting nails are measured by the first measuring unit 43 to be assembled with the adjusting bolts and the stop blocks, and the measured results are automatically uploaded and recorded in a software system and displayed in a display above the station at the same time, so that the operator can conveniently judge; when the measurement result exceeds the allowable tolerance range, the system displays out-of-tolerance alarm information on a display to remind an operator to correct; if the measurement result is OK, the component is placed at the position of the component on the preset tracing board; after all operations are completed, the second CCD vision module 42 detects whether the components on the panel are in place.

The first automatic assembly station 5 is mainly used for completing automatic assembly of a switching valve, an equi-differential execution valve bushing, an equi-pressure differential sensitive valve bushing, an outlet blanking cover, a throttle nozzle, a plurality of blanking caps and bushing guide nails and an inlet blanking cover. The first automatic assembling station 5 includes a second transfer robot 51, a first rotation fixing transfer unit 52 that fixes a workpiece and moves between a loading station and an assembling station, a first horizontal transfer robot 53, a first press-fitting unit 54 that is driven by the first horizontal transfer robot 53 to move perpendicular to the moving direction of the first rotation fixing transfer unit 52, a difference measuring unit 55 and a first locking unit 56, a first screw feeding unit 57, a cover step measuring unit 58 that detects the depth of the step inside the cover to be assembled, a screw-fitting transfer unit 59 that realizes the transfer of the plug-cap guide pin component, a first robot quick-change clamp unit 510, and an oil-supply oiling module 520.

The second automatic assembly station 6 is mainly used for completing the automatic installation of a plurality of spring seats, springs, switching valve bushes, gaskets, switching valve covers, isobaric difference execution valve covers and isobaric difference sensitive valve covers, and the automatic locking and attaching of screws and locking plates. The second automatic assembler station 6 includes a third transfer robot 61, a second rotary fixed transfer unit 62 that fixes the workpiece and moves between the loading station and the assembling station, a second horizontal transfer robot 63, a second press-fitting unit 64 that is driven by the second horizontal transfer robot 63 to perform XY-axis movement, and a locking plate locking screw unit 65, a second screw feeding unit 66, a locking plate feeding bending unit 67, a second robot quick-change jig unit 68, and a gasket washer feeding unit 69.

The first automated assembler station 5 operates similarly to the second automated assembler station 6 and includes a first CCD camera 511 and a second CCD camera 512, the first CCD camera 511 being disposed at the movable ends of the second and third transfer robots 51 and 61. The first CCD camera 511 is mainly used for: 1) Photographing the positions of the upper shell and each part of the carrier to obtain a grabbing position; 2) And photographing the shell to obtain the mounting positions of each part and the gasket washer. The second CCD camera 512 is fixedly disposed on the platform, and is mainly used for performing secondary positioning on the positions of the parts and gasket washers captured by the handling robot, and is matched with the mounting position obtained by the first CCD camera 511 to obtain an accurate and final mounting position.

The second transfer robot 51 and the third transfer robot 61 have the same structure, and adopt flexible structure and quick-change structure design, and comprise a multi-axis robot 513, a first mounting plate 514 arranged at the movable end of the multi-axis robot 513, a flexible compensation module 515 fixed on the first mounting plate 514, and a quick-change clamp 516 arranged at the fine adjustment end of the flexible compensation module 515. The first CCD camera 511 is provided on the first mounting plate 514. The flexible compensation module 515 adopts an intelligent compensation mechanism of SCHUNK on the market to realize self-adaptive position compensation during component installation, ensure the installation precision and also effectively avoid damaging the shell and the components. The quick-change clamp 516 comprises a male component 5161 fixed at the tail end of the flexible compensation module 515, a female component 5162 matched with the male component 5161 to realize quick change, and a clamp 5163 fixed below the female component 5162. The quick unloading and installing of the clamp can be realized through the matching between the male head assembly 5161 and the female head assembly 5162, so that the quick replacement of the clamp head is realized, and the clamping requirements of various parts to be assembled and the shell are met.

The first rotationally fixed transfer unit 52 has the same principle as the second rotationally fixed transfer unit 62, and includes an eighth motor 521, a sixth support plate 522 driven by the eighth motor 521 to move left and right, and a rotational support unit 523 fixed to the sixth support plate 522. The rotary support unit 523 includes a ninth motor 5231 fixed to the sixth support plate 522, a second rotary support plate 5232 driven to perform a rotary motion by the ninth motor 5231, a plurality of first positioning posts 5233 fixed to the second rotary support plate 5232, and a first pressing mechanism 5234. In order to ensure the stability of the position of the second rotating support plate 5232 after the rotating angle, a first lock disc 524 is fixedly arranged on the support shafts on both sides of the second rotating support plate 5232, a plurality of lock grooves (not labeled in the figure) are arranged on the first lock disc 524, and a locking mechanism 525 for locking and unlocking the first lock disc 524 by inserting or extracting the lock grooves is arranged on the sixth support plate 522. The locking mechanism 525 comprises a locking cylinder and a lock pin driven by the locking cylinder to perform linear telescopic motion. Because the parts to be mounted on the shell are more and are required to be mounted on different assembly surfaces, the ninth motor 5231 drives the second rotary support plate 5232 to rotate so that the corresponding assembly surface faces upwards, thereby facilitating the mounting, press mounting, measurement and locking actions of the parts to be assembled.

In the first automatic assembly station 5, two rotary support units 523 are disposed on the sixth support plate 522, and are a first rotary support unit a and a second rotary support unit B, respectively, where the first rotary support unit a realizes rotation of four assembly surfaces; the second rotation support unit B enables rotation of the other two fitting surfaces.

In the second automatic assembler station 6, only one rotation supporting unit 523 is provided on the sixth supporting plate 522.

The first press-fitting unit 54 and the second press-fitting unit 64 have the same structure and each include a tenth motor 541 and a press-fitting head 542 driven by the tenth motor 541 to move up and down. In order to satisfy the press-fitting of various size parts, a quick-change press-fitting head unit 543 is provided below the transfer range of the first press-fitting unit 54 and the second press-fitting unit 64.

The differential-a-break measuring unit 55 includes an eleventh motor 551, and a second displacement sensor 552 driven by the eleventh motor 551 to perform up-and-down movement. The depth dimension from the end face of the switching valve bushing to the end face of the shell is accurately measured through the second displacement sensor 552, in the measuring process, the thickness dimension of the required adjusting gasket is automatically calculated according to the measuring result, and the thickness dimension is uploaded to a system for installing 6 gaskets of a second automatic assembler station, the installation quantity of the adjusting gaskets is automatically calculated, and the gap requirement of the cover and the end face of the shell is ensured.

The locking plate locking screw unit 65 includes a twelfth motor 651, a seventh support plate 652 driven by the twelfth motor 651 to move up and down, third and thirteenth air cylinders 653 and 654 fixed to the seventh support plate 652, a second locking unit 655 driven by the third air cylinder 653 to move up and down, a rotary shaft (not shown) rotatably provided below the seventh support plate 652 and driven by the thirteenth motor 654 to rotate, a second mounting plate 657 fixed to the bottom of the rotary shaft, locking plate holding jaws 658 fixed to the second mounting plate 657, and a head 656 in the second locking unit 655 axially movably penetrates the rotary shaft. The fixed cover in rotation axis periphery is equipped with synchronous pulley, and thirteenth motor 654 passes through the hold-in range drive synchronous pulley carries out rotary motion, and then drives the rotation axis is rotatory, realizes locking plate clamping jaw 658 carries out rotary motion round the cape head, realizes the adjustment of locking plate angle, and in the adjustment process, the center of the round hole at locking plate center keeps the position unchanged, overlaps with the axis of criticizing head 656.

The first screw feeding unit 57 and the second screw feeding unit 66 have the same structural principle, and each screw feeding unit comprises a vibration feeding unit and screw output units which are communicated with the output ends of the vibration feeding units one by one through hoses, the screw output units control screw output of corresponding specifications through an intelligent system, a screwdriver head 656 in the locking unit absorbs screws at the output ends of the screw output units in an adsorption mode, and then automatic screw locking is completed through the locking unit. The first automatic assembler station 5 has two screw feeds and the second automatic assembler station 6 has five screw feeds.

The cover step measuring unit 58 includes a fourteenth motor 581, an eighth support plate 582 driven by the fourteenth motor 581 to move forward and backward, a fourth cylinder 583 fixed to the eighth support plate 582, a third displacement sensor 584 driven by the fourth cylinder 583 to move up and down, and a plurality of measurement reference platforms 585 located above a moving path of the eighth support plate 582. In this embodiment, two measurement reference platforms 585 are provided, and according to the design height of the measurement reference platforms 585, the third displacement sensor 584 is used to extend upwards into the cover body to measure the step height difference inside the cover body, so as to provide data for the adjustment thickness of the gasket in the second automatic assembly station 6, and determine the assembly number of the subsequent gaskets.

The screw-mounted transfer unit 59 is mainly used for receiving plugs, caps and guide nails clamped by the second transfer robot 51, and then moving to the lower part of the first locking unit 56 to realize the feeding of part to be assembled for the first locking unit 56. The screw-mounted transfer unit 59 includes a fifth cylinder 591, a ninth support plate 592 which is driven to move left and right by the fifth cylinder 591, and a pneumatic clamping jaw 593 which is fixed to the ninth support plate 592.

The first robot quick-change clamp unit 510 and the second robot quick-change clamp unit 68 are mainly used for automatically replacing the movable end clamp in cooperation with the second transfer robot 51 and the third transfer robot 61, so as to meet the clamping requirements of the shell, each part, the gasket washer and the like.

The oil supply oiling module 520 is mainly used for automatically spraying oil to the sealing rings on the parts to be assembled. The oil supply and coating module 520 comprises an oil supply device and an oil coating spray gun (not shown) communicated with the oil supply device.

The lock plate feeding bending unit 67 comprises a vibration plate 671, a runner 672 in butt joint with the output end of the vibration plate 671, a direct vibration unit 673 arranged below the runner 672, a bearing block 674 in butt joint with the tail end of the runner 672, a pressing mechanism 675 for pressing the lock plate, a second lifting mechanism 676 matched with the pressing mechanism 675 for lifting the bent lock plate out of the bearing block 674 upwards, a first bending mechanism 677 for bending one free end of the lock plate upwards, and a second bending mechanism 678 for bending the other free end of the lock plate downwards.

The second lifting mechanism 676 comprises a sixth cylinder 6761 and a supporting ejector rod 6762 which is driven by the sixth cylinder 6761 to move up and down, wherein the supporting ejector rod 6762 passes through the bearing block 674 to support the middle part of the locking plate.

The pressing mechanism 675 includes a seventh air cylinder 6751, a pressing rod 6752 which is driven to move up and down by the seventh air cylinder 6751 and which is opposite to the supporting post 6762 up and down. In order to ensure the precise bending of the first bending mechanism 677 and prevent the lock plate from deforming, the pressing mechanism 675 is further provided with an upper limit stop 6753 for limiting the upper part of the free end of the lock plate and a pair of limit stop bars 6754 for limiting the two sides of the free end of the lock plate, the pressing rod 6752, the upper limit stop 6753 and the limit stop bars 6754 are jointly fixed on a third mounting plate 6755, and the third mounting plate 6755 is driven by a seventh air cylinder 6751 to move up and down.

The first bending mechanism 677 includes an eighth cylinder 6771, a slider seat 6772 fixedly provided below the receiving block 674, a driving wedge 6773 horizontally sliding in the slider seat 6772 driven by the eighth cylinder 6771, and a first bending block 6774 horizontally driven by the driving wedge 6773 to move up and down, the first bending block 6774 being provided opposite to the upper limit stop 6753 in the up-down direction; the first bending block 6774 passes through the receiving block 674 from bottom to top.

The second bending mechanism 678 includes a ninth cylinder 6781, a tenth support plate 6782 driven by the ninth cylinder 6781 to move perpendicular to the direction of the flow channel 672, a tenth cylinder 6783 fixed on the tenth support plate 6782, an eleventh support plate 6784 driven by the tenth cylinder 6783 to move up and down, and a second bending block 6785 fixed on the eleventh support plate 6784; the second bending block 6785 is located above the receiving block 674, and an avoidance gap (not labeled in the figure) is formed on the receiving block 674 and the second bending block 6785.

The working principle of the lock plate feeding bending unit 67 is as follows: the locking plate is fed by a vibration disc 671 and arranged to flow into a flow channel 672, enters a receiving block 674 under the vibration of a direct vibration unit 673, after the inductor senses that the locking plate is in place, a pressing mechanism 675 is started, a pressing rod 675 presses the locking plate downwards, then a first bending mechanism 677 is started, a first bending block 6774 presses one free end of the locking plate upwards, a V-shaped claw of the locking plate is bent upwards, and the bending degree is limited by an upper limit stop 6753; then the second bending mechanism 678 is started, the second bending block 6785 presses the other free end of the locking plate downwards, and the tail of the locking plate is bent downwards; then the second bending block 6785 is lifted upwards and horizontally removed for abdication; the second lifting mechanism 676 is started, and the locking plate is clamped by the clamping structure formed by the supporting ejector rod 6762 and the pressing rod 6752 to lift upwards, so that the locking plate is misplaced with the receiving block 674, and at the moment, the tail of the locking plate is in an extending state and is taken away by the locking plate clamping jaw 658 on the locking plate screw locking unit 65.

The gasket feeding unit 69 uses a cartridge clip to feed gaskets, and uses positioning columns to realize gasket feeding, and sleeves different positioning columns according to gasket sizes.

In the first automatic assembling station 5, the second transfer robot 51 grabs the housing from the tracing disc, places the housing onto the first rotary fixed transfer unit 52, moves to the assembling station to assemble each part, the second transfer robot 51 grabs the switching valve bushing, the isobaric difference executing valve bushing, the isobaric difference sensitive valve bushing, the q-value valve assembly, the outlet blanking cover and the throttle mouth from the tracing disc, and performs 360-degree oil injection on the sealing ring position at the oil injection station through the oil supply oiling module 520, is guided according to the visual alignment of the first CCD camera 511 and the second CCD camera 512, is assembled onto the housing, then is sent to the press-fitting station, and is pressed into the inner hole corresponding to the housing through the first press-fitting unit 54. In the press-fitting process of the first press-fitting unit 54, the pressure data is uploaded to the upper computer in real time, and a pressure curve is displayed in a display screen at the upper side of the station, so that the judgment of on-site inspection personnel is facilitated; the two types of pressure heads are arranged on different part sealing ring pressing devices, the pressure heads are automatically switched by moving the first pressing unit 54 to the position of the quick-change pressing head unit 543, the second transfer robot 51 grabs the blocking cap and sprays oil at the sealing ring position at the oil spraying station, then the blocking cap is sent to the transfer station, the blocking cap is moved to the set position by the screw-on transfer unit 59, then the blocking cap is sucked by the first locking unit 56 to be locked, torque and angle values are output and uploaded to the system while the locking is carried out, and automatic assembly of the switching valve, the equal difference executing valve bushing, the equal pressure difference sensitive bushing, the outlet blocking cover, the throttle mouth, the plurality of blocking caps and bushing guide nails and the inlet blocking cover is completed according to the actions.

In the second automatic assembling station 6, the third transfer robot 61 grabs the shell from the tracing disc, places the shell onto the second rotary fixed transfer unit 62, moves to the assembling station to assemble each part, and the third transfer robot 61 grabs the spring seat and the spring in the switching valve assembly, the valve in the switching valve assembly, the spring seat and the spring of the executing valve from the tracing disc, and assembles the shell according to the visual alignment guidance of the first CCD camera 511 and the second CCD camera 512, sends the shell to the press-fitting station, and presses the shell into the corresponding inner hole through the second press-fitting unit 64; the third transfer robot 61 grabs a gasket or a gasket with corresponding specification according to the measurement data of the difference measuring unit 55 and the cover step measuring unit 58, and is placed into a hole corresponding to the shell under the visual alignment guidance of the first CCD camera 511 and the second CCD camera 512; the third carrying robot 61 grabs the valve cover from the tracing board to the assembly station, then presses the valve cover in place through the second press-fitting unit 64, and then clamps the locking plate and adsorbs the screw through the locking plate locking screw unit 65 to complete locking action; and (3) automatically installing a plurality of spring seats, springs, switching valve bushes, gaskets, switching valve covers and isobaric difference executing valve covers and isobaric difference sensitive valve covers according to the actions, and automatically locking and attaching screws and locking plates.

The first man's frock station 7 includes board 71, horizontal activity setting on board 71 and the rotatory supporting platform 72 that moves between measuring station and assembly station, sets up the second measuring unit 73 of measuring station top, be located on board 71 and face towards the frame 74 that the assembly station set up, set up on frame 74 and according to the intelligent material frame 75 of the measurement result intelligence batching of second measuring unit 73, fix on frame 74 and be located instrument rack 76 and handheld screw gun 77 of assembly station both sides top. The frame 74 is also provided with a camera 78, a display 79 and an oilcan placing platform 713; the machine 71 is further provided with a code scanner 710, a measuring tool housing case 711, and a parts housing case 712. The code scanner 710 is used to identify the assembly worker identity information and the product and component information and upload to the system. Various digital display measuring tools with the function of automatically uploading data such as digital display calipers, digital display depth calipers, digital display dial indicators/dial indicators, feeler gauge measuring instruments and the like are placed in the measuring tool storage box 711. The part housing 712 is used to house an electromagnet.

The rotary support platform 72 includes a slide rail 721, a twelfth support plate 722 movably disposed on the slide rail 721, a third rotary support plate 723 rotatably disposed on the twelfth support plate 722, a plurality of second positioning posts 724 and a compression clamp 725 fixed on the third rotary support plate 723, a second locking disc 726 rotating synchronously with the third rotary support plate 723 is disposed at one end of the third rotary support plate 723, a plurality of first locking grooves are disposed on the second locking disc 726, and a mechanical locking pin 727 inserted into the first locking grooves to lock the second locking disc 726 is disposed on the twelfth support plate 722. Both ends of the third rotation support plate 723 are rotatably disposed on a pair of support seats 728, and a handle 729 is disposed on one side of the support seat 728, so that an operator can push the twelfth support plate 722 to move between the measuring station and the assembling station; the mechanical lock pin 727 is fixed to the support 728 on the other side.

The twelfth support plate 722 is also provided with a locking bolt 7210 locking it at the assembly station.

The rotary support platform 72 further comprises a locking mechanism 7211 for locking the twelfth support plate 722 at the measuring station, a second locking groove (not shown in the figure) is arranged on the twelfth support plate 722, and the locking mechanism 7211 comprises a cylinder and a locking block (not shown in the figure) which is driven by the cylinder to be inserted into or withdrawn from the second locking groove.

The second measuring unit 73 includes a fifteenth motor 731, a thirteenth support plate 732 that is driven to move left and right by the fifteenth motor 731, a sixteenth motor 733 fixed to the thirteenth support plate 732, a fourteenth support plate (not shown) that is driven to move back and forth by the sixteenth motor 733, a seventeenth motor 734 fixed to the fourteenth support plate, and a fourth displacement sensor 735 that is driven to move up and down by the seventeenth motor 734.

The first man-machine tool matching station 7 is mainly used for assembling two adjusting copper locking plates, two nozzles, two springs, two baffles, two electromagnets, an electromagnetic valve, two flanges, two covers, a sleeve and threading. In the assembly process, the second measuring unit 73 is used for detecting the depth of the end cover adjusting nails and the stop nails of the metering valve, thickness dimensions of the adjusting washers are automatically calculated and selected, wherein wires, locking plates, screws and gaskets are fed through the intelligent material rack 75, and a mishandling warning mechanism is provided for preventing personnel from mishandling materials.

The second manual assembly station 8 is similar to the first manual assembly station 7 in structure, and comprises a rotary support platform 72, an intelligent material rack 75, a tool placement rack 76, a hand-held screw gun 77, a code scanning gun 710, a measuring tool storage box 711, a part storage box 712, an oilcan placement platform 713, a camera 78, a display 79 and a rack 74. The second manual assembly station 8 is mainly used for manually completing the installation of parts such as a shaft coupling, an angular displacement assembly, an electric connector installation seat, a screw, a locking plate, a blocking cap and the like, wherein the locking plate, the screw, the glue block and the sleeve are fed through the intelligent material frame 75 and are provided with an error warning mechanism for preventing personnel from taking materials by mistake.

The aviation connector assembly station 9 comprises a workpiece positioning jig 91 which moves back and forth, a fifteenth support plate 92 which moves horizontally and leftwards, a fixed-length cutting unit 93, a laser wire stripping unit 94, a peeling and twisting unit 95, a needle shrinkage detection unit 96 and a plastic terminal plugging unit 97 which are sequentially and fixedly arranged on the fifteenth support plate 92 from left to right, a shorting wire clamping and carrying unit 98 which is correspondingly arranged with the workpiece positioning jig 91, a shorting wire feeding unit and a plastic terminal feeding unit 910 which is matched and butted with the plastic terminal plugging unit 97.

The workpiece positioning jig 91 includes an eighteenth motor 911, a sixteenth support plate 912 driven by the eighteenth motor 911 to move back and forth, a pair of hinge bases 913 fixed to the sixteenth support plate 912, a rotary support plate 914 hinged to the hinge bases 913 at one side, a plurality of support positioning posts 915 and compression clamps 916 fixed to the rotary support plate 914, a mounting frame 917 fixed to the sixteenth support plate 912, and a quick-change wire clamp jig 918 or an air joint fixing jig (not shown) provided on the mounting frame 917.

The needle retraction detecting unit 96 includes a nineteenth motor 961, a seventeenth support plate 962 that is driven by the nineteenth motor 961 to move up and down, a pressure sensor 963 fixed to the seventeenth support plate 962, and a needle 964 fixed to an induction end of the pressure sensor 963, the needle 964 being disposed in a horizontal state.

The plastic terminal inserting unit 97 includes an eleventh cylinder 971, a receiving and clamping unit 973 which is driven by the eleventh cylinder 971 to move back and forth to be in butt joint with the plastic terminal feeding unit 910, an inserting and transferring unit 974 which clamps and inserts the plastic terminal on the receiving and clamping unit 973 onto the end of the wire, a terminal riveting unit 975 which rivets the plastic terminal and the end of the wire together, and a wire fixing unit 972 which keeps the wire inserted straight when the terminal is riveted.

The shorting bar clamping and carrying unit 98 includes a twentieth motor 981, a twenty-first motor 982 driven by the twentieth motor 981 to move forward and backward, an eighteenth support plate 983 driven by the twenty-first motor 982 to move up and down, a twelfth cylinder 984 fixed to the eighteenth support plate 983, a rack 985 driven by the twelfth cylinder 984 to move horizontally, a rotating shaft 986 rotatably provided to the eighteenth support plate 983, a gear 987 fixed to the top of the rotating shaft 986 and engaged with the rack 985, a wire grip 988 fixed to the bottom of the rotating shaft 986, and a pressing sheet 989 fixed to the wire grip 988 and pressing a wire downward.

The aviation connector assembly station 9 further comprises a resistance tester 920, and a connecting connector which is inserted with the aviation connector is led out of the resistance tester 920.

The working principle of the aviation connector assembly station 9 is as follows: an operator cuts the accessory from the wire rod to a set length at an operation station, then rake out one of the accessory is straightened and placed on the wire clamp jig 918 to be clamped, and fixed-length cutting and laser peeling are sequentially performed; simultaneously, the shorting stub clamping and carrying unit 98 clamps a shorting stub from the shorting stub feeding unit, and then sequentially performs fixed-length cutting, laser peeling, twisting and terminal crimping; then rotated 180 °; the other end is peeled by laser, then is combined with the self-carried wire rod on the wire clamp jig 918, then the two wire rods are twisted together by the peeling and twisting unit 95, and then a terminal is connected at the short-circuited end; after the operations of shorting and terminal making of all wires with wires on the accessory are completed according to the actions, returning to an operation station, manually inserting the terminals into the aviation connectors one by one, replacing an aviation connector fixing jig, and fixing the aviation connectors on the jig; then detecting whether the terminal is inserted in place one by one through the needle shrinkage detection unit 96; after the detection is completed, an operator turns the rotary support plate 914 to be in a horizontal state, inserts the connection joint of the resistance tester 920 and the aviation joint, and performs resistance measurement detection; after the resistance detection is OK, an operator binds the wire harness, and then anti-arc enamel is poured into the threading hole for sealing; and finally, locking and installing the aviation connector by utilizing a screw locking mechanism.

After the operation is finished, the product is subjected to blanking and warehousing through a vertical warehouse blanking unit 3.

What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.

Claims (7)

1. The utility model provides a high-accuracy high-efficient equipment production line of engine accessory which characterized in that: the automatic assembly machine comprises a plurality of trays, a conveying line for conveying the trays to each work station, a vertical warehouse feeding unit and a vertical warehouse discharging unit which are arranged at two ends of the conveying line, a sleeve sealing ring work station, a first automatic assembly work station, a second automatic assembly work station, a first person tooling assembly work station, a second person assembly work station and an aviation connector assembly work station which are arranged along the conveying line; all parts required for finishing the assembly of one set of engine accessories are carried on the tray; the first automatic assembly station comprises a second transfer robot, a first rotary fixed transfer unit, a first horizontal transfer robot, a first press fitting unit, a difference measuring unit, a first locking unit, a first screw feeding unit, a cover step measuring unit, a screw fitting transfer unit, a first robot quick-change clamp unit and an oil supply oiling module, wherein the first rotary fixed transfer unit is used for fixing a workpiece and moving between a feeding station and an assembly station; the second automatic assembly station comprises a third carrying robot, a second rotary fixed transfer unit, a second horizontal transfer robot, a second press-fitting unit, a locking plate screw locking unit, a second screw feeding unit, a locking plate feeding bending unit, a second robot quick-change clamp unit and a gasket washer feeding unit, wherein the second rotary fixed transfer unit is used for fixing a workpiece and moving between a feeding station and an assembly station; the first person tooling work allocation station comprises a machine table, a rotary supporting platform which is horizontally movably arranged on the machine table and moves between a measuring station and an assembling station, a second measuring unit which is arranged above the measuring station, a rack which is arranged on the machine table and faces to the assembling station, an intelligent material rack which is arranged on the rack and is used for intelligently allocating materials according to the measuring result of the second measuring unit, a tool placing rack which is fixed on the rack and is positioned above two sides of the assembling station, and a hand-held screw gun; the frame is also provided with a camera, a display and an oilcan placing platform; the machine is also provided with a code scanning gun, a measuring tool storage box and a part storage box; the second manual assembly station is identical to the first manual assembly station in structure and comprises a rotary supporting platform, an intelligent material rack, a tool placing rack, a handheld screw gun, a code scanning gun, a measuring tool storage box, a part storage box, an oilcan placing platform, a camera, a display and a frame.

2. The high-precision and efficient assembly line for engine accessories of claim 1, wherein: a plurality of trace plates are arranged on the tray and bear the parts through the trace plates; the automatic positioning device is characterized in that the trace plate is further provided with an assembly placement hole for limiting and placing the assemblies assembled by the parts, and the vertical warehouse feeding unit is provided with a first CCD vision module for detecting whether the parts on the trace plate are in place or not.

3. The high-precision and efficient assembly line for engine accessories of claim 1, wherein: the sealing ring sleeving work station comprises a sealing ring cartridge clip feeding unit, a second CCD vision module and a first measuring unit, wherein the sealing ring cartridge clip feeding unit is arranged beside the conveying line, the second CCD vision module is used for detecting whether parts on the tracing board are in place or not, and the first measuring unit is used for detecting whether part assemblies are assembled in place or not.

4. The high-precision and efficient assembly line for engine accessories of claim 1, wherein: the difference between the first motor and the second motor is measured, and the difference between the first motor and the second motor is measured; the cover step measuring unit comprises a fourteenth motor, an eighth supporting plate driven by the fourteenth motor to move back and forth, a fourth cylinder fixed on the eighth supporting plate, a third displacement sensor driven by the fourth cylinder to move up and down, and a plurality of measuring reference platforms positioned above the moving path of the eighth supporting plate.

5. The high-precision and efficient assembly line for engine accessories of claim 1, wherein: the locking plate screw locking unit comprises a twelfth motor, a seventh supporting plate driven by the twelfth motor to move up and down, a third air cylinder and a thirteenth motor which are fixed on the seventh supporting plate, a second locking unit driven by the third air cylinder to move up and down, a rotating shaft rotatably arranged below the seventh supporting plate and driven by the thirteenth motor to rotate, a second mounting plate fixed at the bottom of the rotating shaft, and locking plate clamping claws fixed on the second mounting plate, wherein a screwdriver bit in the second locking unit axially penetrates through the rotating shaft.

6. The high-precision and efficient assembly line for engine accessories of claim 1, wherein: the locking plate feeding bending unit comprises a vibrating plate, a runner, a direct vibration unit, a bearing block, a pressing mechanism, a second jacking mechanism, a first bending mechanism and a second bending mechanism, wherein the runner is in butt joint with the output end of the vibrating plate, the direct vibration unit is arranged below the runner, the bearing block is in butt joint with the tail end of the runner, the pressing mechanism is used for pressing the locking plate, the second jacking mechanism is matched with the pressing mechanism and is used for upwards jacking the bent locking plate out of the bearing block, the first bending mechanism is used for upwards bending one free end of the locking plate, and the second bending mechanism is used for downwards bending the other free end of the locking plate.

7. The high-precision and efficient assembly line for engine accessories of claim 1, wherein: the aviation connector assembly workstation comprises a workpiece positioning jig moving back and forth, a fifteenth supporting plate horizontally moving left and right, a fixed-length cutting unit, a laser wire stripping unit, a peeling and twisting unit, a needle shrinkage detection unit and a plastic terminal plugging unit which are sequentially and fixedly arranged on the fifteenth supporting plate from left to right, a shorting wire clamping and carrying unit, a shorting wire feeding unit and a plastic terminal feeding unit matched and butted with the plastic terminal plugging unit, wherein the shorting wire clamping and carrying unit, the shorting wire feeding unit and the plastic terminal feeding unit are correspondingly arranged on the workpiece positioning jig.