CN110587300B

CN110587300B - Automatic assembly production line for automobile air conditioner compressor

Info

Publication number: CN110587300B
Application number: CN201910987737.XA
Authority: CN
Inventors: 王新祥; 成金; 杨宏升; 方勇; 单金国; 郭火明; 黄义; 朱冬兰; 王军
Original assignee: Csic Pengli Nanjing Intelligent Equipment System Co ltd
Current assignee: Csic Pengli Nanjing Intelligent Equipment System Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-10-16
Anticipated expiration: 2039-10-17
Also published as: CN110587300A

Abstract

The invention discloses an automatic assembly production line of an automobile air conditioner compressor, belonging to the technical field of automobile air conditioner compressor assembly, the device comprises a line body and a shell heating, pressing and coding device which is sequentially arranged along the transmission direction of the line body, a shell cooling and transferring device, a binding post detection device, a shell assembly turning device I, a lower bearing pressing device, a shell assembly position detection device, a core magnetizing and shell entering device, a core blocking moment detection device, a wear-resistant sheet assembly detection device, an eccentric block upper bearing automatic loading device, an end cover screw tightening device, a nitrogen filling and leakage detection device, a vacuumizing and helium filling device, a helium leakage detection device, a helium recovery device, a shell assembly turning device II, a workpiece operation test device, an automatic heat conducting glue coating device, a controller assembly device, a controller airtightness detection device, a comprehensive performance detection device, a vacuumizing, oil filling and nitrogen filling device and a robot offline stacking device. The invention realizes the automatic assembly and test of the automobile air-conditioning compressor and improves the production efficiency.

Description

Automatic assembly production line for automobile air conditioner compressor

Technical Field

The invention belongs to the technical field of assembly of automobile air-conditioning compressors, and particularly relates to an automatic assembly production line of an automobile air-conditioning compressor.

Background

The automobile air conditioner compressor is a core component of an automobile refrigeration system, and the automatic assembly level of the automobile air conditioner compressor determines various performance indexes of the automobile air conditioner compressor to a great extent and influences the operation efficiency of a compressor manufacturing enterprise. At present, the assembly of the automobile air conditioner compressor is mostly manual or semi-automatic assembly, the efficiency is low, the precision is poor, the efficiency cannot be guaranteed, and the increasingly huge market demand cannot be met.

On one hand, due to the fact that operation levels of assembly personnel are uneven, labor amount is large, actions are single and fatigue is prone to occurring, assembly precision and testing accuracy of products cannot be guaranteed for a long time, and product quality is unreliable.

On the other hand, the types and brands of automobile air-conditioning compressors on the market are increasing day by day, the requirements on assembly precision and quality are increasing day by day, and flexible and automatic production equipment suitable for assembly and test of various types and brands of automobile air-conditioning compressors is urgently needed.

The current situation that the general assembly and test efficiency of the automobile air conditioner compressor is low, the product quality cannot be guaranteed and the production cost is high by integrating various factors such as personnel, equipment, quality, market demand and the like seriously influences the rapid and healthy development of the automobile air conditioner compressor industry in China.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide an automatic assembly production line of an automobile air conditioner compressor, which realizes automatic assembly and test of the automobile air conditioner compressor, greatly reduces manual operation, reduces production cost and improves production efficiency.

The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme:

an automatic assembly production line of an automobile air conditioner compressor is used for the intelligent assembly of the automobile air conditioner compressor, the device comprises a line body and a shell heating, pressing and coding device which is sequentially arranged along the transmission direction of the line body, a shell cooling and transferring device, a binding post detection device, a shell assembly turning device I, a lower bearing pressing device, a shell assembly position detection device, a core magnetizing and shell entering device, a core blocking moment detection device, a wear-resistant sheet assembly detection device, an eccentric block upper bearing automatic loading device, an end cover screw tightening device, a nitrogen filling and leakage detection device, a vacuumizing and helium filling device, a helium leakage detection device, a helium recovery device, a shell assembly turning device II, a workpiece operation test device, an automatic heat conducting glue coating device, a controller assembly device, a controller airtightness detection device, a comprehensive performance detection device, a vacuumizing, oil filling and nitrogen filling device and a robot offline stacking device.

Furthermore, a plurality of tooling plates are arranged on the line body along the transmission direction, and a shell heating, pressing and coding station, a shell cooling and transferring station, a binding post detection station, a shell assembly overturning station, a lower bearing pressing station, a shell assembly position detection station, a core magnetizing and casing entering station, a core resistance moment detection station, a wear plate assembly detection station, an eccentric block upper bearing automatic loading station, an end cover screw tightening station, a nitrogen filling and leakage detection station, a vacuumizing and helium filling station, a helium leakage detection station, a helium recovering station, an overturning station, a workpiece operation testing device station, an automatic heat conducting glue coating station, a controller assembling station, a controller airtightness detection station, a comprehensive performance detection station, a vacuumizing, oil filling and nitrogen filling station and a robot offline stacking station are sequentially formed; the tooling plate comprises a tooling plate bottom plate, a quick change plate, an RFID chip, a detection block, a quick change positioning pin, a quick screwing nut and a jacking positioning hole; the quick-change plate is arranged at the central position of the bottom plate of the tooling plate, so that the subsequent mounting device can conveniently adjust the center, and the detection block, the quick-change positioning pin, the quick-change nut and the jacking positioning hole are arranged on the bottom plate of the tooling plate and are symmetrically arranged in the middle; the quick change plate is designed with a shell opening upward state and a controller face upward state, and is respectively positioned in different limiting grooves, the whole quick change plate can quickly complete the model change of the tool through quickly changing a positioning pin and quickly screwing a nut, the quick change plate can be compatible with automobile air conditioner compressors of various models, and simultaneously can share a tool plate bottom plate, an RFID chip and a detection block, so that the condition that each type of compressor needs to be provided with a corresponding tool plate is avoided, and the manufacturing cost of the tool plate is greatly saved; the detection block on the tooling plate is mainly used for detecting the in-place switch, and the jacking positioning hole can be matched with the positioning pin in each station jacking table, so that the tooling plate can be accurately positioned.

Furthermore, the automobile air-conditioning compressor comprises a shell, a stator, a core assembly, a movable disc assembly, a fixed disc assembly, an end cover, a controller, an air suction port and an air exhaust port; the movable disc assembly and the fixed disc assembly are assembled and penetrate through the stator, the assemblies are arranged in the shell, the end cover seals the assemblies, and the controller is arranged on the shell and connected with the stator through a wire harness; the lower end of the machine core assembly is erected on the lower bearing, the eccentric block and the upper bearing are driven by the eccentric shaft during rotation, and the upper bearing is fixed on the movable disc assembly, so that the movable disc rotates around the center of a base circle of the fixed disc and does plane rotation with a small radius; the air enters the periphery of the fixed disc from the air suction port, is gradually compressed in a plurality of crescent compression cavities formed by the engagement of the movable fixed disc and the fixed disc along with the rotation of the eccentric shaft, is continuously discharged from an axial hole in the center of the fixed disc and is finally discharged from the air outlet.

Furthermore, the shell heating, press-fitting and code-printing device comprises an indexing rotating mechanism, a shell heating mechanism, a shell transfer and loading mechanism, a shell cooling mechanism, a code-printing mechanism and an indexing disc roller supporting mechanism; the shell heating mechanism, the shell transferring and loading mechanism, the shell cooling mechanism and the coding mechanism are sequentially arranged on each station of the indexing rotating mechanism; the bottom of the indexing rotary mechanism is supported by the indexing disc roller supporting mechanism and is arranged on the stand platform; the shell cooling transfer device comprises a transfer upper cooling system mechanism, a cooling system and a transfer lower cooling system mechanism; the cooling system is a section of circulation line for transporting the shell assembly, and the upper cooling system transferring mechanism and the lower cooling system transferring mechanism are respectively arranged at an inlet and an outlet of the cooling system; the terminal detection device comprises a clamp spring position detection mechanism, a displacement sensor, an insulation and pressure resistance detection mechanism, an insulation and pressure resistance instrument, a terminal plug mechanism, a sealing performance detection mechanism, a differential pressure leak detector and a vacuum pump; the displacement sensor is arranged on the clamp spring position detection mechanism, and the terminal plug mechanism and the clamp spring position detection mechanism are integrated on the same mechanism and are connected with the insulation and voltage withstand instrument; the tightness detection mechanism is connected with the differential pressure leak detector and the vacuum pump through pipelines at the other station; the first shell assembly turnover device comprises a clamping mechanism, a turnover mechanism and a first lifting mechanism; the turnover mechanism is arranged on the clamping mechanism, the clamping mechanism is arranged on the first lifting mechanism, and the first lifting mechanism is arranged on the rack platform; the lower bearing press-mounting device comprises a bearing storing and distributing mechanism, a bearing transferring and loading mechanism and a press-mounting mechanism; the bearing transferring and feeding mechanism obtains a lower bearing from the bearing storing and distributing mechanism, then transfers the lower bearing to be sleeved on a pressure head of the press-mounting mechanism and presses the lower bearing into the shell; the bearing storage and distribution mechanism comprises a bearing material barrel, a bearing material channel, a bearing push plate, a distribution rotary cylinder and a material pushing cylinder; the lower bearing is stored in the bearing feed cylinder, drops to the bearing material under the effect of self gravity and says, and the height that the material was said can only hold single bearing at every turn, and photoelectric switch on the material is said and is detected to push away material cylinder and promote the bearing push pedal after the bearing, pushes out the bearing and realizes dividing the material from the feed cylinder, and two feed cylinders realize the switching of bearing under the effect of dividing the material revolving cylinder.

Further, the shell assembly position detection device comprises a lower bearing stator depth measurement mechanism, a roundness measurement mechanism and a second lifting mechanism; the shell component position detection device is provided with double stations, after the strip tooling plate is in place, the jacking table jacks and positions the tooling plate on the wire body, a station measurement mechanism integrates the measurement of the depth of a lower bearing and the depth of a stator, and a lower bearing stator depth measurement mechanism comprises a lower bearing detection pressure head, a stator detection pressure head, a shell positioning reference block and a displacement sensor; the second lifting mechanism descends, the shell positioning reference block is in contact positioning with the shell, the detection pressure head is in contact with the lower bearing and the stator respectively, and the displacement sensor reads the depth; the two-station roundness measuring mechanism comprises a rotating shaft, a laser displacement sensor and a stepping motor; the second lifting mechanism drives the roundness measuring mechanism to descend, the rotating shaft is sleeved into the lower bearing, the stepping motor simulates a machine core assembly to slowly rotate for one circle in the shell, and the laser displacement sensor is driven to rotate for one circle to measure the roundness value of the bearing seat hole.

Furthermore, the core magnetizing and casing entering device comprises a servo lifting grabbing and transferring mechanism, a magnetizing and magnetizing magnetic detection mechanism, a casing centering mechanism, a cleaning mechanism and an unqualified placement mechanism; the servo lifting grabbing and transferring mechanism grabs the movement assembly to transfer and place the movement assembly into the cleaning mechanism to carry out dust blowing and absorbing treatment on the movement assembly, after the dust blowing and absorbing treatment is finished, the movement assembly is transferred and placed into the magnetizing and magnetism detecting mechanism, the movement assembly is magnetized firstly and then magnetic flux is detected, after the movement assembly is qualified, the magnetized movement assembly is placed into the shell assembly, and unqualified parts are placed into the unqualified placement mechanism; because the fit clearance between the movement assembly and the shell assembly is small, the shell assembly is accurately positioned by the centering mechanism which puts the movement assembly into the front shell; the movement moment resistance detection device comprises an electric plug mechanism, a servo rotating mechanism, a third lifting mechanism and a shell positioning mechanism; wherein the servo rotating mechanism is arranged on the third lifting mechanism, and the shell positioning mechanism and the electric plug mechanism are arranged on the rack platform.

Furthermore, the wear-resistant plate assembly detection device comprises a wear-resistant plate storage mechanism, a transferring and taking mechanism, a wear-resistant plate measuring mechanism and a shell positioning mechanism; after the area material frock board targets in place, the frock board jack-up on the line body is accurate with the casing positioning mechanism to the casing location to the jacking platform, measuring mechanism detects the bearing frame upper plane of core assembly earlier and the axial depth of casing terminal surface, move and carry extracting mechanism to absorb wear pad and pack into the casing assembly from wear pad storage mechanism relevant position after that, pack into the completion after, wear pad measuring mechanism detects the axial depth of wear pad plane and casing terminal surface again, can judge whether the wear pad packs into through twice detection numerical value, the last numerical value of reading three difference of wear pad measuring mechanism simultaneously, through computational analysis wear pad plane degree, compare with the casing terminal surface.

Furthermore, the automatic loading device for the upper bearing of the eccentric block comprises an upper bearing material storing and distributing mechanism, an eccentric block material storing mechanism, a servo shifting and taking mechanism, an eccentric block accurate positioning mechanism, a robot grabbing and loading mechanism and a shell positioning mechanism; the servo load-shifting and material-taking mechanism grabs the eccentric block and places the eccentric block into the eccentric block accurate positioning mechanism for secondary positioning, after the positioning is finished, the robot grabs the eccentric block of the loading mechanism and places the eccentric block into the shell assembly accurately positioned by the shell positioning mechanism, and then the robot grabs the loading mechanism and then grabs the upper bearing divided by the upper bearing material-storing and material-dividing mechanism and loads the upper bearing into the shell assembly; the end cover screw tightening device comprises a side pressing mechanism, a fourth lifting mechanism, a sleeve mechanism and an electric screw gun; the sleeve mechanism and the electric screw gun are arranged on the fourth lifting mechanism, and the side pressing mechanism is arranged on the rack platform; the nitrogen filling leakage detection device comprises a nitrogen filling station pressing mechanism and an inflation head mechanism; the helium leakage detection device comprises a mechanical arm, a vacuum box part and a vacuumizing leakage detection recovery system; wherein, the helium gas leakage-detecting recovery system is mature prior art and is directly purchased by the applicant; the vacuum box part comprises a transferring and waiting mechanism, a jacking mechanism and a vacuum box; the manipulator grabs a helium-filled compressor from the line body tooling plate and puts the helium-filled compressor on a supporting plate of a transfer waiting mechanism, the transfer waiting mechanism retracts, a jacking mechanism jacks up the supporting plate to be well sealed with a vacuum box, and an evacuation leakage-detection recovery system connected with the vacuum box evacuates the vacuum box to a set vacuum degree and then carries out leakage detection; the shell assembly turnover device II is used for automatically turning over the compressor on the tooling plate from a state that the shell opening faces upwards to a state that the controller faces upwards; the action and the shell assembly overturning device are opposite but have the same structure, and are not described again.

Furthermore, the workpiece operation testing device comprises a loading transfer mechanism, a loading carry mechanism, a function testing mechanism, a mute room and a testing system; the feeding and transferring mechanism is used for grabbing and transferring the compressor on the wire body onto a tool of the feeding and carrying mechanism, the feeding and carrying mechanism drives the compressor to enter a function testing position in the mute room, the mute room door is automatically closed, and the interference of external noise in the testing process is eliminated; the function testing mechanism comprises a workpiece positioning mechanism, an inserting exhaust mechanism, a vibration detecting mechanism and a power-on testing mechanism, after the compressor reaches a function testing position, the workpiece positioning mechanism positions the compressor well, the inserting exhaust mechanism connects the air suction and exhaust ports of the compressor, a vibration sensor on the vibration detecting mechanism is in contact with the compressor, the power-on testing mechanism is connected with a wiring terminal and powered on, the compressor is started, the performance of the compressor under different conditions is tested by changing the simulated operation parameters of the compressor, and the performance is transmitted to a testing system.

Further, the automatic heat-conducting glue coating device comprises a cross servo moving mechanism, a glue coating mechanism and a glue coating system; after the material tooling plate is in place, the jacking table jacks up and positions the tooling plate on the line body, and the cross servo moving mechanism drives the gluing mechanism to automatically coat heat-conducting glue on the controller surface of the compressor shell according to a set track; the controller assembling device comprises a sealing gasket storing and feeding mechanism, a sealing gasket grabbing and transferring mechanism, a controller storing and feeding mechanism, a controller servo grabbing and transferring mechanism, a controller positioning mechanism, an automatic nail feeding mechanism and a screwing mechanism; after the strip tooling plate is in place, the jacking table jacks up and positions the tooling plate on the wire body, the sealing gasket grabbing and transferring mechanism grabs the sealing gasket from the sealing gasket storage and feeding mechanism and puts the sealing gasket into the compressor, then the controller servo grabbing and transferring mechanism grabs the controller from the controller storage and feeding mechanism and puts the controller into the controller positioning mechanism for secondary positioning, then the controller servo grabbing and transferring mechanism grabs and puts the sealing gasket into the compressor, then the automatic nail feeding mechanism sends a screw into a controller mounting hole, and the tightening mechanism tightens the screw to a set torque; the controller air tightness detection device comprises a workpiece pressing mechanism, a sealing detection mechanism, a differential pressure leak detector and a vacuum pump; after the strip tooling plate is in place, the jacking table jacks and positions the tooling plate on the wire body, the workpiece pressing mechanism descends to press the compressor, the sealing detection mechanism extends out of a power line interface of the pressing controller to seal the workpiece, the vacuum pump stops for a set time after starting to reach a set vacuum degree, and the whole system judges whether the assembly of the controller is qualified by comparing the leakage amount of a differential pressure leak detector reading system; the vacuumizing oil-injecting nitrogen-charging device comprises a nitrogen-charging pressing mechanism, a charging mechanism, a propelling mechanism and a quantitative charging machine; after the strip tooling plate is in place, the jacking table jacks and positions the tooling plate on the wire body, the nitrogen-filled pressing mechanism descends to press the compressor, the propelling mechanism drives the filling mechanism to propel to an air suction port of the compressor, and the quantitative filling machine works to inject the set refrigeration oil and nitrogen; the robot off-line stacking device comprises a clamping jaw mechanism, a robot base, a robot and an RFID read-write head; the robot is arranged on a robot base, and the RFID read-write head is arranged on the line body; after qualified compressor on the frock board transferred to the pile up neatly station of inserting the line body along with, the information read-in management and control host computer in with the RFID chip on the frock board was read in to the RFID read-write head, clears away information in the RFID chip, and the robot drives clamping jaw mechanism and snatchs the compressor and insert the line to the charging tray of assigned position on.

Has the advantages that: compared with the prior art, the automatic assembly production line for the automobile air-conditioning compressor solves the problems that the manual production efficiency is low, the assembly precision and the test accuracy are difficult to guarantee, and the equipment compatibility is poor in the process of final assembly and test of the existing automobile air-conditioning compressor (particularly an electric scroll compressor), replaces the existing manual operation mode, greatly reduces the number of operators, and reduces the labor intensity; due to the adoption of automatic continuous production, the production efficiency of the automobile air-conditioning compressor is greatly improved, and the consistency of the product quality is effectively improved; detection data in the whole assembly process can be written into the RFID chip in time, and information in the RFID chip is read into the control upper computer after assembly is completed, so that the product quality can be effectively controlled, the key information can be traced, and the product quality is guaranteed; the invention can adapt to the flexible production requirements of products with multiple series and specifications, the assembly and test information is fed back in time, and the management and control are unified, thereby realizing the automatic assembly and test of the automobile air conditioner compressor, greatly reducing manual operation, reducing production cost and improving production efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an automatic assembly line for an automotive air conditioning compressor according to the present invention;

FIG. 2 is a schematic view of a tooling plate;

FIG. 3 is a schematic view of the assembly of the tooling plate and the housing with the opening facing upward;

FIG. 4 is a schematic view of the assembly of the tooling plate with the housing controller facing upward;

FIG. 5 is a schematic view of the tooling plate without a workpiece;

FIG. 6 is an exploded view of the major components of an automotive air conditioning compressor;

FIG. 7 is a schematic structural view of a heating press-fitting code-printing device for a housing;

FIG. 8 is a schematic view of each station of an index plate of the shell heating press-fitting coding device;

fig. 9 is a schematic structural view of the case cooling transfer apparatus;

FIG. 10 is a schematic structural diagram of a terminal detection device;

FIG. 11 is a schematic diagram of a clamp spring position detection and dielectric strength detection mechanism;

FIG. 12 is a schematic structural view of a first shell assembly turnover device;

FIG. 13 is a schematic structural view of the lower bearing press-fitting device;

FIG. 14 is a schematic view of a bearing storage and distribution mechanism;

FIG. 15 is a schematic view of the structure of the housing assembly position detecting device;

FIG. 16 is a schematic view of a lower bearing stator depth measurement mechanism;

FIG. 17 is a schematic view of a roundness measurement mechanism;

fig. 18 is a schematic structural view of a movement magnetizing and casing device;

fig. 19 is a schematic structural diagram of a movement moment-resistance detection device;

fig. 20 is a schematic structural view of the wear pad assembly detection device;

FIG. 21 is a schematic structural view of an automatic loading device for a bearing on an eccentric block;

FIG. 22 is a schematic structural view of the end cap screw tightening device;

FIG. 23 is a schematic view of the structure of the leak detector filled with nitrogen;

FIG. 24 is a schematic diagram of the construction of a helium leak detection apparatus;

FIG. 25 is a schematic view of the structure of a portion of the vacuum box;

FIG. 26 is a schematic view showing the construction of the work running test apparatus;

fig. 27 is a schematic structural view of a mute room;

FIG. 28 is a schematic view of a functional testing mechanism;

FIG. 29 is a schematic structural view of an apparatus for automatically applying thermal adhesive;

FIG. 30 is a schematic view of the construction of the controller mounting apparatus;

FIG. 31 is a schematic structural view of a controller airtightness detection apparatus;

FIG. 32 is a schematic structural view of the vacuum oil-filling and nitrogen-filling device;

fig. 33 is a schematic structural view of the robot off-line palletizing device;

reference numerals: 10-a wire body; 11-a tooling plate, 111-a tooling plate bottom plate, 112-a quick-change plate, 113-an RFID chip, 114-a detection block, 115-a quick-change positioning pin, 116-a quick-screw nut and 117-a jacking positioning hole; 12-automobile air-conditioning compressor, 121-shell, 1211-air suction port, 1301-air exhaust port, 122-lower bearing, 123-stator, 124-movement assembly, 125-eccentric block, 126-wear-resistant sheet, 127-upper bearing, 128-movable disc assembly, 129-fixed disc assembly, 130-end cover, 1301-air exhaust port, 131-end cover screw, 132-controller, 133-sealing pad and 134-controller screw; 13-a jacking table; 20-a shell heating, pressing and coding device, 21-an indexing rotating mechanism, 22-a shell heating mechanism, 23-a shell transferring and loading mechanism, 24-a shell cooling mechanism, 25-a coding mechanism and 26-an indexing disc roller supporting mechanism; 30-a shell cooling transfer device, 31-a transfer upper cooling system mechanism, 32-a cooling system and 33-a transfer lower cooling system mechanism; 40-a binding post detection device, 41-a clamp spring position detection mechanism, 411-a displacement sensor, 42-an insulation and pressure resistance detection mechanism, 421-an insulation and pressure resistance instrument, 422-a binding post plug mechanism, 43-a sealing detection mechanism, 431-a differential pressure leak detector and 432-a vacuum pump; 50-a shell assembly turnover device I, 51-a clamping mechanism, 52-a turnover mechanism and 53-a first lifting mechanism; 60-lower bearing press-mounting device, 61-bearing storage material distribution mechanism, 611-bearing material barrel, 612-bearing material channel, 613-bearing push plate, 614-distribution rotating cylinder, 615-material pushing cylinder, 62-bearing transfer loading mechanism and 63-press-mounting mechanism; 70-a shell component position detection device, 71-a lower bearing stator depth measurement mechanism, 711-a lower bearing detection pressure head, 712-a stator detection pressure head, 713-a shell positioning reference block, 714-a displacement sensor, 72-a roundness measurement mechanism and 73-a second lifting mechanism; 80-core magnetizing and shell entering device, 81-servo lifting grabbing and transferring mechanism, 82-magnetizing and magnetic detecting mechanism, 83-shell centering mechanism, 84-cleaning mechanism and 85-unqualified placement mechanism; 90-a machine core moment resistance detection device, 91-an electric plug mechanism, 92-a servo rotating mechanism, 93-a third lifting mechanism and 94-a shell positioning mechanism; 100-a wear-resistant sheet assembly detection device, 101-a wear-resistant sheet storage mechanism, 102-a transfer material taking mechanism and 103-a wear-resistant sheet measuring mechanism; 110-eccentric block upper bearing automatic loading device, 1111-upper bearing storage and distribution mechanism, 1112-eccentric block storage mechanism, 1113-servo transfer and loading mechanism, 1114-eccentric block accurate positioning mechanism and 1115-robot grabbing and loading mechanism; 120-end cap screw tightening device, 1201-lateral pressing mechanism, 1202-fourth lifting mechanism, 1203-sleeve mechanism, 1204-electric screw gun; 1300-a nitrogen filling leakage detection device, 1310-a nitrogen filling station pressing mechanism and 1320-an inflation head mechanism; 140-a vacuum pumping helium filling device; 150-helium leakage detecting device, 151-manipulator, 152-vacuum box part, 1521-transferring and waiting mechanism, 1522-jacking mechanism, 1523-vacuum box and 153-evacuating leakage-detecting and recovering system; 160-helium recovery device, 170-shell assembly turnover device II; 180-workpiece operation testing device, 181-loading transfer mechanism, 182-loading carry mechanism, 183-function testing mechanism, 1831-workpiece positioning mechanism, 1832-air inserting and exhausting mechanism, 1833-vibration detecting mechanism and 1834-electrifying testing mechanism; 184-silence room; 190-automatic heat conducting glue coating device, 191-cross servo moving mechanism and 192-glue coating mechanism; 200-a controller assembling device, 201-a sealing gasket storage feeding mechanism, 202-a sealing gasket grabbing and transferring mechanism, 203-a controller storage feeding mechanism, 204-a controller servo grabbing and transferring mechanism, 205-a controller positioning mechanism, 206-an automatic nail feeding mechanism and 207-a tightening mechanism; 210-controller airtightness detection device, 211-workpiece pressing mechanism, 212-sealing detection mechanism, 213-differential pressure leak detector and 214-vacuum pump; 220-comprehensive performance detection means; 230-vacuumizing, oiling and nitrogen charging device, 231-pressing mechanism, 232-filling mechanism and 233-propelling mechanism; 240-robot off-line palletizing device, 241-clamping jaw mechanism, 242-robot base, 243-robot and 244-RFID read-write head.

Detailed Description

The invention is further illustrated by the following examples and figures.

As shown in figure 1, the automatic assembly production line of the automobile air-conditioning compressor is used for intelligent assembly of the automobile air-conditioning compressor and comprises a line body 10, a shell heating, pressing and coding device 20, a shell cooling and transferring device 30, a binding post detection device 40, a shell assembly turning device I50, a lower bearing pressing device 60, a shell assembly position detection device 70, a core magnetizing and shell entering device 80, a core moment resistance detection device 90, a wear-resistant sheet assembly detection device 100, an eccentric block upper bearing automatic loading device 110, an end cover screw tightening device 120, a nitrogen filling large leakage detection device 1300, a vacuumizing and helium filling device 140, a helium leakage detection device 150, a helium recovery device 160, a shell assembly turning device II 170, a workpiece operation test device 180, an automatic heat conducting glue coating device 190, a controller assembly device 200, a controller airtightness detection device 210, The comprehensive performance detection device 220, the vacuumizing oil-filling nitrogen-filling device 230 and the robot offline stacking device 240.

The line body 10 is provided with a plurality of tooling plates 11 arranged along the transmission direction, and is sequentially provided with a shell heating, press-mounting and code-printing station, a shell cooling and transferring station, a binding post detection station, a shell assembly overturning station, a lower bearing press-mounting station, a shell assembly position detection station, a machine core magnetizing and casing-entering station, a machine core block moment-resisting detection station, a wear-resisting sheet assembly detection station, an eccentric block upper bearing automatic loading station, an end cover screw tightening station, a nitrogen-filling and leakage-detecting station, a vacuumizing and helium-filling station, a helium leakage detecting station, a helium recovery station, an overturning station, a workpiece operation testing device station, an automatic heat-conducting glue coating station, a controller assembly station, a controller airtightness detection station, a comprehensive performance detection station, a vacuumizing, oil-filling and nitrogen-filling station and a robot offline station.

As shown in fig. 2, the wire body 10 has a plurality of tooling plates 11 arranged along the conveying direction, and each of the tooling plates 11 has an RFID chip 113 mounted thereon. The tooling plate 11 comprises a tooling plate bottom plate 111, a quick-change plate 112, an RFID chip 113, a detection block 114, a quick-change positioning pin 115, a quick-change nut 116 and a jacking positioning hole 117. The quick-change plate 112 is mounted in the center of the tooling plate bottom plate 111, so that the center of the subsequent mounting device can be conveniently adjusted, and the detection block 114, the quick-change positioning pin 115, the quick-screwing nut 116 and the jacking positioning hole 117 are mounted on the tooling plate bottom plate 111 and symmetrically mounted in the middle. The quick-change board 112 is designed to have a housing opening facing upward and a controller facing upward, which are respectively positioned in different limiting grooves, as shown in fig. 3 and 4. The whole quick-change plate can be compatible with various models of automobile air conditioner compressors by quickly changing the positioning pin 115 and the nut 116, and meanwhile, the whole quick-change plate can share the tooling plate bottom plate 111, the RFID chip 113 and the detection block 114, and the condition that the compressor of each model is required to be equipped with a corresponding tooling plate is avoided, so that the manufacturing cost of the tooling plate is greatly saved. The detection block 114 on the tooling plate is mainly used for detecting the in-place switch, and the jacking positioning hole 117 can be matched with a positioning pin in each station jacking table, so that the tooling plate can be accurately positioned.

As shown in fig. 6, the automotive air conditioning compressor 12 includes a housing 121, a stator 123, a core assembly 124, a movable disk assembly 128, a fixed disk assembly 129, an end cover 130, a controller 132, and the like. A movable plate assembly 128 and a fixed plate assembly 129 are assembled and the cartridge assembly 124 is inserted within the stator 123, the assemblies are mounted within the housing 121, sealed by an end cap 130, and a controller 132 is mounted on the housing 121 and connected to the stator 123 by a wiring harness. Wherein the lower end of the movement assembly 124 is supported on the lower bearing 122, and when rotating, the eccentric shaft drives the eccentric block 125 and the upper bearing 127, and the upper bearing is fixed on the movable disc assembly 128, so that the movable disc rotates around the center of the base circle of the fixed disc in a plane with a small radius. The air enters the periphery of the fixed disc from the air inlet 1211, is gradually compressed in a plurality of crescent-shaped compression cavities formed by the engagement of the movable disc and the fixed disc along with the rotation of the eccentric shaft, is continuously discharged from an axial hole in the center of the fixed disc, and is finally discharged from the air outlet 1301.

The shell heating, press-fitting and code-printing device 20 is used for automatically heating the shell to a specified temperature and then sleeving the shell into the stator according to a fixed direction, cooling and fastening the shell stator assembly after the hot sleeve is completed, printing a two-dimensional code, automatically checking the two-dimensional code and writing a heating temperature value of the shell into the two-dimensional code. As shown in fig. 7, the casing heating press-fitting coding device 20 includes an indexing rotation mechanism 21, a casing heating mechanism 22, a casing transfer and loading mechanism 23, a casing cooling mechanism 24, a coding mechanism 25, and an index plate roller support mechanism 26. The case heating mechanism 22, the case transfer and loading mechanism 23, the case cooling mechanism 24, and the coding mechanism 25 are sequentially mounted on each station of the indexing rotation mechanism 21. The indexing disk roller supporting mechanisms 26 support the bottom of the indexing rotary mechanism 21 and are all arranged on the stand platform.

The rotating mechanism adopts a six-station turntable to automatically rotate to carry out work of each station. As shown in fig. 8, 2101 stations: manually placing the shell and the stator into corresponding tools respectively; 2102 station: the shell heating mechanism automatically lifts the heating coil to enter the shell for primary heating; 2103, station: after the shell is heated for the second time by the shell heating mechanism to the set temperature, the shell is grabbed by the transferring mechanism and is loaded into the stator; 2104 station: starting a shell cooling mechanism, and shrinking a shell and fixedly cooling a stator to form a component; 2105, a station: the code printing mechanism prints a two-dimensional code at the specified position of the shell, and automatically identifies and confirms the two-dimensional code after the two-dimensional code is printed; 2106, station: the shell assembly is at a discharge position.

And the shell cooling transfer device 30 is used for transferring the shell assembly with higher temperature to a cooling circulation system from the shell heating press-mounting code-printing station, and transferring and overturning the shell assembly to the main line tooling plate after the shell assembly is cooled to the specified temperature in the specified time. As shown in fig. 9, the casing cooling transfer device 30 includes a transfer upper cooling system mechanism 31, a cooling system 32, and a transfer lower cooling system mechanism 33. The cooling system 32 is a circulation line for transporting the housing assembly, and the transfer upper cooling system mechanism 31 and the transfer lower cooling system mechanism 33 are respectively installed at an inlet and an outlet of the cooling system 32.

The shell assembly on the tooling plate flows to the manual station of the wiring connecting column along with the line body, the material is taken manually, the wiring column, the sealing ring and the clamp spring are installed at the corresponding position of the shell, and the wiring harness of the stator is connected with the wiring column.

Subsequently, casing subassembly moves to the terminal detection station along with the line body on the frock board, is located the terminal detection device of terminal detection station for detect jump ring mounted position, insulating and withstand voltage nature, terminal leakproofness respectively.

As shown in fig. 10, the terminal detecting device 40 includes a circlip position detecting mechanism 41, a displacement sensor 411, a withstand voltage detecting mechanism 42, a withstand voltage instrument 421, a terminal plug mechanism 422, a sealability detecting mechanism 43, a differential pressure leak detector 431, and a vacuum pump 432. The displacement sensor 411 is installed on the clamp spring position detection mechanism 41, and the terminal plug mechanism 422 and the clamp spring position detection mechanism 41 are integrated on one mechanism and connected with the voltage withstand instrument 421; the leak detection mechanism 43 is connected to a differential pressure leak detector 431 and a vacuum pump 432 through piping at another station.

The terminal detection device 40 is provided with double stations, after the tooling plate with the material is in place, the jacking table 13 jacks and positions the tooling plate on the wire body, and a station detection mechanism integrates a clamp spring position detection mechanism and an insulation and pressure resistance detection mechanism, as shown in fig. 11, the clamp spring position detection mechanism judges whether the clamp spring is in place or not by measuring the clamp spring loading depth through a displacement sensor, meanwhile, a terminal plug mechanism conducts a terminal on the shell assembly, and an insulation and pressure resistance instrument reads the insulation and pressure resistance of the shell stator assembly; the two-station tightness detection mechanism descends to press the cavity of the binding post, the vacuum pump stops for a set time after being started to reach a set vacuum degree, and the whole system judges whether the assembly of the sealing ring of the binding post is qualified or not by comparing the leakage quantity of the differential pressure leak detector reading system.

And then, the shell assembly on the tooling plate flows to a shell assembly turning station along with the wire body, and a shell assembly turning device I50 positioned at the shell assembly turning station is used for automatically turning the shell assembly on the tooling plate from the state that the controller faces upwards to the state that the shell opening faces upwards. As shown in fig. 12, the first housing assembly turnover device 50 includes a clamping mechanism 51, a turnover mechanism 52 and a first lifting mechanism 53. The turnover mechanism 52 is installed on the clamping mechanism 51, the clamping mechanism 51 is installed on the first lifting mechanism 53, and the first lifting mechanism 53 is installed on the rack platform.

And then, the upper shell assembly of the tooling plate is transferred to a lower bearing press-fitting station along with the wire body, and a lower bearing press-fitting device 60 positioned at the lower bearing press-fitting station is used for automatically pressing the lower bearing into the lower bearing hole position of the shell. As shown in fig. 13, the lower bearing press-fitting device 60 includes a bearing storing and distributing mechanism 61, a bearing transfer and feeding mechanism 62, and a press-fitting mechanism 63. The bearing transferring and feeding mechanism 62 takes the lower bearing from the bearing storing and distributing mechanism 61, then transfers the lower bearing to be sleeved on a pressure head of the press-mounting mechanism, and presses the lower bearing into the shell.

As shown in fig. 14, the bearing storing and distributing mechanism includes a bearing cartridge 611, a bearing channel 612, a bearing push plate 613, a distributing rotary cylinder 614 and a pushing cylinder 615. The lower bearing is stored in a bearing material cylinder 611 and falls onto a bearing material channel 612 under the action of self gravity, the height of the material channel can only accommodate a single bearing at each time, a photoelectric switch on the material channel detects the bearing and then pushes a material pushing cylinder 615 to push a bearing push plate 613, the bearing is pushed out of the material cylinder to realize material distribution, and the two material cylinders realize bearing switching under the action of a material distribution rotating cylinder 614.

And then, the shell assembly on the tooling plate flows to a shell assembly position detection station along with the wire body, and a shell assembly position detection device 70 positioned at the shell assembly position detection station is used for detecting the press-in depth of the lower bearing, the axial position of the stator and the roundness of a bearing seat hole of the shell. As shown in fig. 15, the housing assembly position detection device 70 includes a lower bearing stator depth measurement mechanism 71, a roundness measurement mechanism 72, and a second elevating mechanism 73.

The shell assembly position detection device 70 is provided with double stations, after the strip tooling plate is in place, the jacking table jacks up and positions the tooling plate on the wire body, the one-station measurement mechanism integrates the measurement of the depth of the lower bearing and the depth of the stator, and as shown in fig. 16, the lower bearing stator depth measurement mechanism 71 comprises a lower bearing detection pressure head 711, a stator detection pressure head 712, a shell positioning reference block 713 and a displacement sensor 714. The second lifting mechanism 73 descends, the housing positioning reference block 713 is in contact positioning with the housing, the detection pressure head is in contact with the lower bearing and the stator respectively, and the displacement sensor reads the depth. The two-station roundness measuring mechanism 72 includes a rotating shaft 721, a laser displacement sensor 722, and a stepping motor 723. As shown in fig. 17, the second lifting mechanism drives the roundness measuring mechanism 72 to descend, the rotating shaft 721 is sleeved on the lower bearing, the stepping motor 723 simulates a movement assembly to slowly rotate one circle in the housing, and the laser displacement sensor 722 is driven to rotate one circle to measure the roundness value of the bearing seat hole.

And then, the shell assembly on the tooling plate flows to a core magnetizing and shell entering station along with the wire body, and the core magnetizing and shell entering device positioned on the core magnetizing and shell entering station is used for grabbing the core assembly, cleaning, automatically magnetizing and detecting magnetic flux, and then loading the core assembly into a shell appointed position. As shown in fig. 18, the core magnetizing and casing entering device 80 includes a servo lifting and grabbing and transferring mechanism 81, a magnetizing and magnetizing mechanism 82, a casing centering mechanism 83, a cleaning mechanism 84, and an unqualified placement mechanism 85. The servo lifting grabbing and transferring mechanism 81 grabs the movement assembly to transfer and place the movement assembly into the cleaning mechanism 84 to carry out dust blowing and absorbing treatment on the movement assembly, after the completion, the movement assembly is transferred and placed into the magnetizing and magnetizing mechanism 82 to magnetize the movement assembly firstly and then detect magnetic flux, after the movement assembly is qualified, the magnetized movement assembly is placed into the shell assembly, and the unqualified movement assembly is placed into the unqualified placement mechanism 85. Since the fit clearance between the movement assembly and the housing assembly is small, the housing assembly is accurately positioned by the movement assembly being placed in the front housing centering mechanism 83.

Subsequently, casing subassembly moves to core and hinders square detection station along with the line body on the frock board, and the core that is located core and hinders square detection station hinders square detection device 90 for detect the flexibility of core in the casing, drive the rotation of main shaft eccentric pin according to certain speed, detect and monitor rotation resistance square and contrary electric potential wave form at rotatory in-process. As shown in fig. 19, the movement moment-resistance detecting device 90 includes an electrical plug mechanism 91, a servo rotation mechanism 92, a third lifting mechanism 93, and a housing positioning mechanism 94. Wherein the servo-rotating mechanism 92 is mounted on the third lifting mechanism 93, and the housing positioning mechanism 94 and the electrical plug mechanism 91 are mounted on the rack platform.

Subsequently, the shell assembly on the tooling plate flows to a wear-resistant piece assembly detection station along with the line body, and the wear-resistant piece assembly detection device 100 positioned at the wear-resistant piece assembly detection station is used for automatically loading the wear-resistant pieces into the shell assembly and detecting and comparing the parallelism of the plane of the loaded wear-resistant pieces and the end face of the shell after completion.

As shown in fig. 20, the wear pad assembly detection apparatus 100 includes a wear pad storage mechanism 101, a transfer and pickup mechanism 102, a wear pad measurement mechanism 103, and a housing positioning mechanism 94. After the material frock board targets in place, jacking platform 13 jack-up the frock board on the line body to casing positioning mechanism 94 with the casing location accurate, measuring mechanism 103 detects the axial depth of plane and casing terminal surface on the bearing frame of core assembly earlier, move and carry extracting mechanism 102 and absorb the wear pad from wear pad storage mechanism 101 relevant position and pack into the casing assembly after, pack into the completion after, wear pad measuring mechanism 103 detects the axial depth of wear pad plane and casing terminal surface again, can judge whether the wear pad packs into through twice detection numerical value, the last numerical value of reading three difference of wear pad measuring mechanism simultaneously, through computational analysis wear pad plane degree, compare with the casing terminal surface.

And then, the upper shell assembly of the tooling plate moves to an automatic bearing loading station on the eccentric block along with the wire body, and an automatic bearing loading device 110 on the eccentric block, which is positioned at the automatic bearing loading station on the eccentric block, is used for loading the eccentric block and the upper bearing on the eccentric pin of the main shaft in sequence.

As shown in fig. 21, the automatic eccentric block upper bearing loading device 110 includes an upper bearing storing and distributing mechanism 1111, an eccentric block storing mechanism 1112, a servo transferring and fetching mechanism 1113, an eccentric block accurate positioning mechanism 1114, a robot gripping and loading mechanism 1115, and a housing positioning mechanism 94. The servo shifting and taking mechanism 1113 grabs the eccentric block and places the eccentric block into the eccentric block accurate positioning mechanism 1114 for secondary positioning, after the positioning is completed, the robot grabbing and loading mechanism 1115 grabs the eccentric block and places the eccentric block into the shell assembly accurately positioned by the shell positioning mechanism 94, and then the robot grabbing and loading mechanism 1115 grabs the upper bearing separated by the upper bearing storing and distributing mechanism 1111 and loads the upper bearing into the shell assembly.

The shell assembly on the tooling plate flows to a station for installing the movable fixed disc and the end cover along with the line body, the materials are manually taken, and the movable fixed disc, the end cover and the screw are pre-screwed on the shell.

Subsequently, the shell assembly on the tooling plate flows to an end cover screw tightening station along with the wire body, and an end cover screw tightening device 120 located at the end cover screw tightening station is used for automatically tightening screws of the end cover and the shell.

As shown in fig. 22, the end cap screw tightening device 120 includes a side pressing mechanism 1201, a fourth elevating mechanism 1202, a sleeve mechanism 1203, and an electric screw gun 1204. Wherein the telescoping mechanism 1203 and the electric screw gun 1204 are mounted on the fourth lifting mechanism 1202, and the lateral pressing mechanism 1201 is mounted on the frame platform.

And then, the compressor on the tooling plate is transferred to a nitrogen filling leakage detection station along with the line body, and the nitrogen filling leakage detection device positioned at the nitrogen filling leakage detection station is used for filling high-pressure nitrogen into the compressor, maintaining the pressure for a period of time and carrying out the test of the compressive strength and the leakage tightness. As shown in fig. 23, the nitrogen fill leak detector 1300 includes a nitrogen fill station hold down mechanism 1310 and a gas fill head mechanism 1320.

And the vacuumizing helium filling device is used for pre-vacuumizing the compressor, and when the vacuum degree of the compressor is pumped to a set vacuum degree, the device automatically fills helium into the compressor until the pressure reaches a set value. The structure of the evacuation helium filling apparatus is the same as that of the nitrogen filling large leakage detecting apparatus 1300, and the details are not repeated here.

As shown in fig. 24, the helium leak detection apparatus 150 includes a robot 151, a vacuum box section 152, and an evacuation leak detection recovery system 153. And the helium leakage detection device 150 is used for placing the compressor into a corresponding vacuum box to perform helium leakage detection. After the detection, the manipulator 151 puts the compressor back on the wire body tooling plate. The vacuum box section 152 includes a transfer stocker mechanism 1521, a jacking mechanism 1522, and a vacuum box 1523. As shown in fig. 25, the robot 151 grabs the helium-filled compressor from the line tooling plate and puts the helium-filled compressor on the pallet of the transfer waiting mechanism 1521, the transfer waiting mechanism retracts, the jacking mechanism 1522 jacks up the pallet to be sealed with the vacuum box 1523, and the evacuation and leak detection recovery system 153 connected to the vacuum box evacuates the vacuum box to a set vacuum degree and then performs leak detection.

And the helium recovery device is used for recovering helium in the compressor. The structure of the helium recovery device is the same as that of the nitrogen filling gas leakage detecting device, and the detailed description is omitted.

And then, the compressor on the tooling plate flows to an overturning station along with the wire body, and a second shell assembly overturning device 170 positioned at the overturning station is used for automatically overturning the compressor on the tooling plate from a state that the shell opening faces upwards to a state that the controller faces upwards. The action is opposite to that of the first shell assembly overturning device 50 but the structure is the same, and the description is omitted.

And then, the compressor on the tooling plate is transferred to a work piece operation testing device station along with the wire body, and the work piece operation testing device 180 positioned at the work piece operation testing device station is used for detecting and analyzing the pressure, the current, the vibration, the noise, the rotating speed and the like of the suction and exhaust port after the compressor is started to operate under a common controller.

As shown in fig. 26, the workpiece operation testing apparatus 180 includes a loading transfer mechanism 181, a loading carry-in mechanism 182, a function testing mechanism 183, a mute room 184, and a testing system. The loading transfer mechanism 181 picks up the in-line compressor and transfers the in-line compressor to the tool of the loading carry mechanism 182, the loading carry mechanism drives the compressor to enter the functional test position in the mute room, the mute room door is automatically closed, and the interference of external noise in the test process is eliminated, as shown in fig. 27.

The function testing mechanism 183 includes a workpiece positioning mechanism 1831, an air insertion and exhaust mechanism 1832, a vibration detecting mechanism 1833, and a power-on testing mechanism 1834, as shown in fig. 28, after the compressor reaches the function testing position, the workpiece positioning mechanism 1831 positions the compressor, the air insertion and exhaust mechanism 1832 connects the air suction and exhaust ports of the compressor, a vibration sensor on the vibration detecting mechanism 1833 contacts the compressor, the power-on testing mechanism 1834 is connected to the wiring terminal for power-on, the compressor is started, and the performance of the compressor under different conditions is tested by changing the simulated operation parameters of the compressor, and is transmitted to the testing system.

And then, the compressor on the tooling plate flows to an automatic heat conducting glue coating station along with the line body, and the automatic heat conducting glue coating device 190 positioned on the automatic heat conducting glue coating station is used for coating heat conducting glue on the mounting surface of the shell control plate. As shown in fig. 29, the automatic hot glue applying apparatus 190 includes a cross servo moving mechanism 191, a glue applying mechanism 192, and a glue applying system. After the tooling plate with the material is in place, the jacking table jacks up and positions the tooling plate on the line body, and the cross servo moving mechanism 191 drives the gluing mechanism 192 to automatically coat heat-conducting glue on the controller surface of the compressor shell according to a set track.

And then, the compressor on the tooling plate is transferred to a controller assembly station along with the line body, and the controller assembly device 200 positioned at the controller assembly station is used for automatically feeding and screwing the sealing gasket and the controller after being installed in the compressor.

As shown in fig. 30, the controller assembling apparatus 200 includes a mat seal storage and feed mechanism 201, a mat seal grasping and transferring mechanism 202, a controller storage and feed mechanism 203, a controller servo grasping and transferring mechanism 204, a controller positioning mechanism 205, an automatic nail feeding mechanism 206, and a tightening mechanism 207. After the strip tooling plate is in place, the jacking table jacks up and positions the tooling plate on the wire body, the sealing gasket grabbing and transferring mechanism 202 grabs the sealing gasket from the sealing gasket storage feeding mechanism 201 and puts the sealing gasket into the compressor, then the controller servo grabbing and transferring mechanism 204 grabs the controller from the controller storage feeding mechanism 203 and puts the controller into the controller positioning mechanism 205 for secondary positioning and then grabs and puts the sealing gasket into the compressor, then the automatic screw feeding mechanism 206 feeds screws into the controller mounting holes, and the screwing mechanism 207 screws the screws to a set torque.

And then, the compressor on the tooling plate flows to a controller airtightness detection station along with the line body, and a controller airtightness detection device 210 positioned on the controller airtightness detection station is used for vacuumizing and maintaining pressure for a set time after the controller port of the compressor is connected, and detecting the pressure change of the compressor through a pressure difference leak detector so as to judge whether the compressor is qualified or not.

As shown in fig. 31, the controller airtightness detection apparatus 210 includes a workpiece pressing mechanism 211, a sealing detection mechanism 212, a differential pressure leak detector 213, and a vacuum pump 214. After the band material tooling plate is in place, the jacking table jacks and positions the tooling plate on the line body, the workpiece pressing mechanism 211 descends to press the compressor, the sealing detection mechanism 212 extends out of a power line interface of the pressing controller to seal the compressor, the vacuum pump is started to reach a set vacuum degree and then stops for a set time, and the whole system judges whether the assembly of the controller is qualified or not by comparing the leakage amount of a differential pressure leak detector reading system.

The comprehensive performance detection device is used for detecting and analyzing the pressure, current, vibration, noise, rotating speed and the like of the suction and exhaust port after the compressor is started to operate under a self controller. The structure of the comprehensive performance detection device is the same as that of the workpiece operation testing device, and the detailed description is omitted here.

The vacuumizing oil-filling nitrogen-filling device is used for automatically vacuumizing, filling oil and filling nitrogen for the compressor provided with the rubber plug of the suction and exhaust port cover plate. As shown in fig. 32, the vacuum oil-filling nitrogen-filling device comprises a nitrogen-filling pressing mechanism 231, a filling mechanism 232, a propelling mechanism 233 and a quantitative filling machine. After the strip tooling plate is in place, the jacking table jacks and positions the tooling plate on the line body, the nitrogen-filled pressing mechanism 231 descends to press the compressor, the propelling mechanism 233 drives the filling mechanism 232 to propel to the air suction port of the compressor, and the quantitative filling machine works to fill the set refrigeration oil and nitrogen.

And the robot offline stacking device 240 is used for offline stacking the compressors qualified in assembly test to the material discs at the designated positions. As shown in fig. 33, the robotic off-line palletizer includes a gripper mechanism 241, a robot base 242, a robot 243 and an RFID read-write head 244. After qualified compressor on the frock board transferred to the pile up neatly station of inserting the line body along with the line body flow, information read-in management and control host computer in the RFID chip on with the frock board was read in to RFID read-write head 244, clears away information in the RFID chip, and robot 243 drives clamping jaw mechanism 241 and snatchs the compressor and insert the line to the charging tray of assigned position on.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent modifications can be made within the technical spirit of the present invention, and the scope of the present invention is also within the scope of the present invention.

Claims

1. The utility model provides a vehicle air conditioner compressor automatic assembly production line for intelligent equipment of vehicle air conditioner compressor (12), its characterized in that: the device comprises a line body (10), a shell heating, pressing and coding device (20), a shell cooling and transferring device (30), a binding post detection device (40), a shell assembly turning device I (50), a lower bearing pressing device (60), a shell assembly position detection device (70), a core magnetizing and shell entering device (80), a core resistance moment detection device (90), a wear-resistant sheet assembling detection device (100), an eccentric block upper bearing automatic loading device (110), an end cover screw tightening device (120), a nitrogen-filled large leakage detection device (1300), a vacuumizing and helium-filled device (140), a helium leakage detection device (150), a helium recovery device (160), a shell assembly turning device II (170), a workpiece operation test device (180), an automatic heat-conducting glue coating device (190), a controller assembling device (200), a controller airtightness detection device (210), The device comprises a comprehensive performance detection device (220), a vacuumizing oil-injecting nitrogen-filling device (230) and a robot offline stacking device (240); the device comprises a line body (10), a plurality of tooling plates (11) are arranged along the transmission direction, and a shell heating, pressing and coding station, a shell cooling and transferring station, a binding post detection station, a shell assembly overturning station, a lower bearing pressing station, a shell assembly position detection station, a core magnetizing and casing entering station, a core resistance moment detection station, a wear plate assembly detection station, an eccentric block upper bearing automatic loading station, an end cover screw tightening station, a nitrogen filling and leakage detection station, a vacuumizing and helium filling station, a helium leakage detection station, a helium recovering station, an overturning station, a workpiece operation testing device station, an automatic heat conducting glue coating station, a controller assembly station, a controller airtightness detection station, a comprehensive performance detection station, a vacuumizing, oil filling and nitrogen filling station and a robot offline stacking station are sequentially formed; each tooling plate (11) comprises a tooling plate bottom plate (111), a quick-change plate (112), an RFID chip (113), a detection block (114), a quick-change positioning pin (115), a quick-change nut (116) and a jacking positioning hole (117), the quick-change plate (112) is installed at the central position of the tooling plate bottom plate (111), and the detection block (114), the quick-change positioning pin (115), the quick-change nut (116) and the jacking positioning hole (117) are symmetrically installed on the tooling plate bottom plate (111) in the center; the quick-change plate (112) is designed with a shell opening upward state and a controller face upward state, and is respectively positioned in different limiting grooves, and the whole quick-change plate (112) can quickly finish the model change of the tool through a quick-change positioning pin (115) and a quick-screw nut (116); the automobile air-conditioning compressor (12) comprises a shell (121), a stator (123), a core assembly (124), a movable disk assembly (128), a fixed disk assembly (129), an end cover (130), a controller (132), an air suction port (1211) and an air exhaust port (1301); the movable disc assembly (128) and the fixed disc assembly (129) are assembled and penetrate through the inner part of the stator (123) together with the movement assembly (124), the stator (123), the movement assembly (124), the movable disc assembly (128) and the fixed disc assembly (129) are installed inside the shell (121) and then seal the shell (121) through the end cover (130), and the controller (132) is installed on the shell (121) and connected with the stator (123) through a wiring harness; the lower end of the movement assembly (124) is erected on the lower bearing (122), an eccentric block (125) and an upper bearing (127) are driven by an eccentric shaft during rotation, and the upper bearing is fixed on the movable disc assembly (128); the air enters the periphery of the fixed disc component (129) from the air inlet (1211), and is gradually compressed in a plurality of crescent-shaped compression cavities formed by the engagement of the movable fixed disc and the fixed disc along with the rotation of the eccentric shaft, and then is continuously discharged from an axial hole in the center of the fixed disc component (129) and finally discharged from the air outlet (1301); the shell assembly position detection device (70) comprises a lower bearing stator depth measurement mechanism (71), a roundness measurement mechanism (72) and a second lifting mechanism (73); the shell assembly position detection device (70) is provided with double stations, after the strip tooling plate is in place, the jacking table jacks and positions the tooling plate on the wire body, a station measurement mechanism integrates the measurement of the depth of a lower bearing and the depth of a stator, and the lower bearing stator depth measurement mechanism (71) comprises a lower bearing detection pressure head (711), a stator detection pressure head (712), a shell positioning reference block (713) and a displacement sensor (714); the second lifting mechanism (73) descends, the shell positioning reference block (713) is in contact positioning with the shell, the detection pressure head is respectively in contact with the lower bearing and the stator, and the displacement sensor reads the depth; the two-station roundness measuring mechanism comprises a rotating shaft (721), a laser displacement sensor (722) and a stepping motor (723); the second lifting mechanism drives the roundness measuring mechanism (72) to descend, the rotating shaft (721) is sleeved on the lower bearing, the stepping motor (723) simulates a machine core assembly to slowly rotate for one circle in the shell, and the laser displacement sensor (722) is driven to rotate for one circle to measure the roundness value of the bearing seat hole.

2. The automatic assembly production line of the automobile air conditioner compressor as claimed in claim 1, characterized in that: the shell heating, press-fitting and code-printing device (20) comprises an indexing rotating mechanism (21), a shell heating mechanism (22), a shell transfer and loading mechanism (23), a shell cooling mechanism (24), a code-printing mechanism (25) and an indexing disc roller supporting mechanism (26), wherein the shell heating mechanism (22), the shell transfer and loading mechanism (23), the shell cooling mechanism (24) and the code-printing mechanism (25) are sequentially arranged on each station of the indexing rotating mechanism (21), and the indexing disc roller supporting mechanism (26) supports the bottom of the indexing rotating mechanism (21) and is arranged on a rack platform; the shell cooling transfer device (30) comprises a transfer upper cooling system mechanism (31), a cooling system (32) and a transfer lower cooling system mechanism (33), wherein the cooling system (32) is a section of circulation line for transporting shell components, and the transfer upper cooling system mechanism (31) and the transfer lower cooling system mechanism (33) are respectively arranged at an inlet and an outlet of the cooling system (32); the terminal detection device (40) comprises a clamp spring position detection mechanism (41), a displacement sensor (411), an insulating and pressure-resistant detection mechanism (42), an insulating and pressure-resistant instrument (421), a terminal plug mechanism (422), a sealing detection mechanism (43), a pressure difference leak detector (431) and a vacuum pump (432), wherein the displacement sensor (411) is installed on the clamp spring position detection mechanism (41), and the terminal plug mechanism (422) and the clamp spring position detection mechanism (41) are integrated on one mechanism and connected with the insulating and pressure-resistant instrument (421); the tightness detection mechanism (43) is connected with a differential pressure leak detector (431) and a vacuum pump (432) through pipelines at another station; the shell assembly turnover device I (50) comprises a clamping mechanism (51), a turnover mechanism (52) and a first lifting mechanism (53); the turnover mechanism (52) is arranged on the clamping and holding mechanism (51), the clamping and holding mechanism (51) is arranged on the first lifting mechanism (53), and the first lifting mechanism (53) is arranged on the rack platform; the lower bearing press-mounting device (60) comprises a bearing storage and distribution mechanism (61), a bearing transfer and loading mechanism (62) and a press-mounting mechanism (63); the bearing transferring and feeding mechanism (62) takes the lower bearing from the bearing storing and distributing mechanism (61), then transfers the lower bearing to be sleeved on a pressure head of the press-mounting mechanism and presses the lower bearing into the shell; the bearing storage and distribution mechanism (61) comprises a bearing material barrel (611), a bearing material channel (612), a bearing push plate (613), a distribution rotary cylinder (614) and a material pushing cylinder (615); the lower bearing is stored in a bearing material cylinder (611) and falls onto a bearing material channel (612) under the action of self gravity, the height of the material channel can only accommodate a single bearing at each time, a photoelectric switch on the material channel detects that a material pushing cylinder (615) pushes a bearing push plate (613) after the bearing is detected, the bearing is pushed out of the material cylinder to realize material distribution, and the two material cylinders realize the switching of the bearings under the action of a material distribution rotating cylinder (614).

3. The automatic assembly production line of the automobile air conditioner compressor as claimed in claim 1, characterized in that: the core magnetizing and casing entering device (80) comprises a servo lifting grabbing and transferring mechanism (81), a magnetizing and magnetizing detection mechanism (82), a casing centering mechanism (83), a cleaning mechanism (84) and an unqualified placement mechanism (85); a servo lifting grabbing and transferring mechanism (81) grabs the movement assembly to transfer and place the movement assembly into a cleaning mechanism (84) to carry out dust blowing and absorbing treatment on the movement assembly, after the dust blowing and absorbing treatment is finished, the movement assembly is transferred and placed into a magnetizing and magnetism detecting mechanism (82) to magnetize the movement assembly firstly and then detect magnetic flux, after the movement assembly is qualified, the magnetized movement assembly is placed into a shell assembly, and an unqualified part is placed into an unqualified placement mechanism (85); the movement moment resistance detection device (90) comprises an electric plug mechanism (91), a third lifting mechanism (93) and a shell positioning mechanism (94), wherein the electric plug mechanism, the third lifting mechanism (93) and the shell positioning mechanism are installed on a rack platform, and a servo rotating mechanism (92) is installed on the third lifting mechanism (93).

4. The automatic assembly production line of the automobile air conditioner compressor as claimed in claim 1, characterized in that: the wear-resistant sheet assembly detection device (100) comprises a wear-resistant sheet storage mechanism (101), a transferring and taking mechanism (102), a wear-resistant sheet measuring mechanism (103) and a shell positioning mechanism (94); after the material frock board targets in place, jacking platform (13) jack-up the frock board on the line body to casing positioning mechanism (94) with the casing location accurate, measuring mechanism (103) detect the axial depth of the bearing frame upper plane of core subassembly and casing terminal surface earlier, move and carry extracting mechanism (102) and absorb the wear pad and pack into the casing subassembly from wear pad storage mechanism (101) relevant position after that, pack into after accomplishing, wear pad measuring mechanism (103) detect the axial depth of wear pad plane and casing terminal surface again, can judge whether the wear pad packs into through twice detection numerical value, the last numerical value of three difference of having read of wear pad measuring mechanism simultaneously, through calculation analysis wear pad plane degree, compare with the casing terminal surface.

5. The automatic assembly production line of the automobile air conditioner compressor as claimed in claim 1, characterized in that: the automatic loading device (110) for the upper bearing of the eccentric block comprises an upper bearing storing and distributing mechanism (1111), an eccentric block storing mechanism (1112), a servo shifting and taking mechanism (1113), an eccentric block accurate positioning mechanism (1114), a robot grabbing and loading mechanism (1115) and a shell positioning mechanism (94); the servo shifting and taking mechanism (1113) grabs the eccentric block and places the eccentric block into the eccentric block accurate positioning mechanism (1114) for secondary positioning, after the positioning is finished, the robot grabs the eccentric block into the mechanism (1115) and places the eccentric block into the shell assembly accurately positioned by the shell positioning mechanism (94), and then the robot grabs the mechanism (1115) and grabs the upper bearing divided by the upper bearing storage and dividing mechanism (1111) and places the upper bearing divided into the shell assembly; the end cover screw tightening device (120) comprises a side pressing mechanism (1201), a fourth lifting mechanism (1202), a sleeve mechanism (1203) and an electric screw gun (1204), wherein the sleeve mechanism (1203) and the electric screw gun (1204) are installed on the fourth lifting mechanism (1202), and the side pressing mechanism (1201) is installed on a rack platform; the nitrogen filling leakage detection device (1300) comprises a nitrogen filling station pressing mechanism (1310) and an inflating head mechanism (1320); the helium leakage detection device (150) comprises a manipulator (151), a vacuum box part (152) and an evacuation leakage detection recovery system (153); the vacuum box part (152) comprises a transferring and waiting mechanism (1521), a jacking mechanism (1522) and a vacuum box (1523), a manipulator (151) grabs a helium-filled compressor from a linear tooling plate and puts the helium-filled compressor on a supporting plate of the transferring and waiting mechanism (1521), the transferring and waiting mechanism retracts, the jacking mechanism (1522) jacks up the supporting plate to be sealed with the vacuum box (1523), and an evacuation and leakage detection recovery system (153) connected with the vacuum box evacuates the vacuum box to a set vacuum degree and then performs leakage detection; the shell assembly turnover device (170) is used for automatically turning over the compressor on the tooling plate from a state that the shell opening faces upwards to a state that the controller faces upwards; the action is opposite to that of the first shell assembly overturning device (50) but the structure is the same.

6. The automatic assembly production line of the automobile air conditioner compressor as claimed in claim 1, characterized in that: the workpiece operation testing device (180) comprises a loading transfer mechanism (181), a loading carry mechanism (182), a function testing mechanism (183), a mute room (184) and a testing system; the feeding transfer mechanism (181) grabs and transfers the compressor on the wire body to a tool of the feeding carry mechanism (182), the feeding carry mechanism drives the compressor to enter a functional test position in the mute room, the mute room door is automatically closed, and the interference of external noise in the test process is eliminated; the function testing mechanism (183) comprises a workpiece positioning mechanism (1831), an air inserting and exhausting mechanism (1832), a vibration detecting mechanism (1833) and a power-on testing mechanism (1834), after the compressor reaches a function testing position, the workpiece positioning mechanism (1831) positions the compressor well, the air inserting and exhausting mechanism (1832) connects the air suction port and the air exhaust port of the compressor, a vibration sensor on the vibration detecting mechanism (1833) is in contact with the compressor, the power-on testing mechanism (1834) is connected with a binding post for power on, the compressor is started, and the performance of the compressor under different conditions is tested by changing the simulated operation parameters of the compressor and is transmitted to a testing system.

7. The automatic assembly production line of the automobile air conditioner compressor as claimed in claim 1, characterized in that: the automatic hot glue coating device (190) comprises a cross servo moving mechanism (191), a glue coating mechanism (192) and a glue coating system; after the material tooling plate is in place, the jacking table (13) jacks up and positions the tooling plate on the line body, and the cross servo moving mechanism (191) drives the gluing mechanism (192) to automatically coat heat-conducting glue on the surface of the compressor shell controller according to a set track; the controller assembly device (200) comprises a sealing gasket storage feeding mechanism (201), a sealing gasket grabbing and transferring mechanism (202), a controller storage feeding mechanism (203), a controller servo grabbing and transferring mechanism (204), a controller positioning mechanism (205), an automatic nail feeding mechanism (206) and a tightening mechanism (207); after the strip tooling plate is in place, the jacking table (13) jacks and positions the tooling plate on the wire body, the sealing gasket grabbing and transferring mechanism (202) grabs the sealing gasket from the sealing gasket storage feeding mechanism (201) and puts the sealing gasket into the compressor, then the controller servo grabbing and transferring mechanism (204) grabs the controller from the controller storage feeding mechanism (203) and puts the controller into the controller positioning mechanism (205) for secondary positioning, then the controller is grabbed and put into the compressor, then the automatic nail feeding mechanism (206) feeds a screw into a controller mounting hole, and the screw is screwed to a set torque by the screwing mechanism (207); the controller airtightness detection device (210) comprises a workpiece pressing mechanism (211), a sealing detection mechanism (212), a differential pressure leak detector (213) and a vacuum pump (214); after the material-carrying tooling plate is in place, the jacking table jacks and positions the tooling plate on the line body, the workpiece pressing mechanism (211) descends to press the compressor, the sealing detection mechanism (212) extends out of a power line interface of a shell controller of the pressing compressor to seal the compressor, the vacuum pump stops for a set time after starting to reach a set vacuum degree, and the whole system judges whether the assembly of the controller is qualified or not by comparing the leakage amount of a differential pressure leak detector reading system; the vacuumizing oil-injecting nitrogen-charging device (230) comprises a nitrogen-charging pressing mechanism (231), a charging mechanism (232), a propelling mechanism (233) and a quantitative charging machine; after the strip tooling plate is in place, the jacking table jacks and positions the tooling plate on the wire body, the nitrogen-filled pressing mechanism (231) descends to press the compressor, the propelling mechanism (233) drives the filling mechanism (232) to propel to an air suction port of the compressor, and the quantitative filling machine works to fill the set refrigeration oil and nitrogen; the robot offline stacking device (240) comprises a clamping jaw mechanism (241), a robot base (242), a robot (243) and an RFID read-write head (244); the clamping jaw mechanism (241) is installed on a flange surface of a robot (243), the robot (243) is installed on a robot base (242), and the RFID read-write head (244) is installed on a linear body; qualified compressor is transferred to the pile up neatly station of inserting the line body along with the line body flow on the frock board after, and information read-in management and control host computer in the RFID chip on with the frock board is clear away information in the RFID chip to RFID read-in head (244), and robot (243) drive clamping jaw mechanism (241) snatch the compressor and insert the line to the charging tray of assigned position on.