CN116551373A - Flexible production line for automobile switch assembly and control method - Google Patents

Abstract

The application relates to a flexible production line for automobile switch assembly and a control method, and relates to the field of automatic production equipment, the flexible production line comprises a rack, wherein an annular conveying line is arranged on the rack, and a tool for placing a workpiece is carried on the annular conveying line; the annular assembly line is detachably arranged outside the annular conveying line in a surrounding mode and comprises a feeding device, a plurality of assembly devices and a discharging device, wherein the assembly devices and the discharging device are used for assembling workpieces, and the feeding device, the assembly devices and the discharging device can move; the annular turnover line comprises a plurality of clamping devices, is positioned between the annular conveying line and the annular assembly line and is used for turnover of workpieces to the annular conveying line or the annular assembly line; the clamping device comprises a mechanical arm arranged on the frame and a clamping mechanism detachably connected with the mechanical arm. The application has flexible production line, mainly realizes high degree of freedom combination through annular transfer chain, annular assembly line and annular turnover line.

Description

Flexible production line for automobile switch assembly and control method

Technical Field

The application relates to the technical field of automatic production, in particular to a flexible production line for automobile switch assembly and a control method.

Background

The automobile parts are various, wherein the switch structure is of various types, the complete switch structure is assembled by various sub-parts, and the switch structure is required to be marked with patterns. For use by an operator.

Because the automobile switches are various, the assembly treatment actions of various automobile switches are difficult to design due to the fact that the structures such as the fixture, the clamp and the carrying disc are different in degree, a unified closed-loop production line is often difficult to design, a production line which is usually designed is a non-closed-loop type, namely, a part of assembly actions are completed and then manual turnover is carried out, the automobile switches are moved to other equipment to carry out assembly actions, or manual inspection and assembly actions are inserted to compensate for an incomplete production line, and the whole assembly actions of the automobile switches are completed through turnover of a whole production line.

The automobile switch production line needs to assemble various different workpieces into an automobile switch, and the workpieces are assembled based on the non-closed-loop production line, so that the production efficiency is low, and the production cost is high.

Disclosure of Invention

In order to improve the production efficiency of an automobile switch, the application aims to provide a flexible production line for assembling the automobile switch and a control method.

On one hand, the application provides a flexible production line for automobile switch equipment adopts following technical scheme:

a flexible production line for automotive switch equipment, includes the frame, be equipped with in the frame:

the annular conveying line is provided with a tool for placing workpieces;

the annular assembly line is detachably arranged outside the annular conveying line in a surrounding mode and comprises a feeding device, a plurality of assembly devices and a discharging device, wherein the assembly devices and the discharging device are used for assembling workpieces, and the feeding device, the assembly devices and the discharging device can move;

the annular turnover line comprises a plurality of clamping devices, is positioned between the annular conveying line and the annular assembly line and is used for turnover of workpieces to the annular conveying line or the annular assembly line; the clamping device comprises a mechanical arm arranged on the frame and a clamping mechanism detachably connected with the mechanical arm.

Through adopting above-mentioned technical scheme, wholly be the structure of encircleing, the inner loop is annular transfer chain, promptly load the work piece through the frock, the frock is according to the adaptable adjustment of product type, reserve frock has five kinds of devices, the outer loop is all kinds of devices, specific for example loading attachment, can carry out the material loading processing to different work pieces, assembly device is because around type, and can remove the separation, consequently can carry out the group again according to the difference of work piece type, the zhong is annular turnover line, each clamping device can carry out the work piece temporarily and carry out processing such as beat glue, spout a yard etc. the middle turnover action of work piece has been accomplished to annular turnover line, and clamping device divide into the arm that produces flexible motion and carry out clamping mechanism, clamping mechanism can be replaced in a flexible way, it can be applicable to different work pieces to change with different clamping mechanism; overall, the frock can be nimble the replacement, fixture can be nimble the replacement, each assembly device can be nimble the replacement, and multiple production lines can be derived to the thinking that many flexible structures can be replaced, and structural flexibility is high, need not to carry the work piece to carry out turnover processing in the different workshops, and whole machining efficiency has obtained the promotion.

Optionally, a displacement mechanism is arranged in the range of the movable radius of each mechanical arm, and the displacement mechanism comprises at least two displacement stations for placing the clamping mechanisms; the mechanical arm is provided with a pneumatic assembly for taking and placing the clamping mechanism.

By adopting the technical scheme, the clamping mechanism and the mechanical arm are detachable, the detached clamping mechanism can be temporarily stored in the replacement mechanism to be used as a standby for subsequent replacement, and the replacement mechanism has two stations to replace the clamping mechanism; the clutch of the clamping mechanism adopts a pneumatic assembly as a power source, the pneumatic form has little influence on the whole structure, and the structure such as an external clamping structure or a threaded hole is not required to be additionally added.

Optionally, the mechanical arm comprises a support, a plurality of swing arms rotatably connected to the support, a bearing seat is arranged at the tail end of the swing arm far away from the connecting point of the support, the pneumatic component is positioned on the bearing seat, and a signal connector is further arranged on the bearing seat;

the clamping mechanism comprises a clamping hand and a clamping seat, and a signal receiver for the plugging and matching of the signal connector is arranged on the clamping seat.

Through adopting above-mentioned technical scheme, the arm has divided into the structure of support, many swing arms and socket, and wherein a plurality of swing arms guarantee that fixture has higher activity flexibility ratio, and the signal connector on the second socket and the signal receiver on the socket are direct grafting cooperation, have accomplished the signal butt joint, need not extra wiring and handle, convenient operation, and the whole flow of changing fixture can directly be realized through pneumatic assembly's action, need not manual operation.

Optionally, the holding seat is provided with a central column and a positioning column, and the holding seat is provided with a central groove for the central column to be inserted and a positioning groove for the positioning column to be inserted; the outer peripheral surface of the central column is provided with a positioning bead, the central groove of the bearing seat is provided with a hemispherical spherical groove for the positioning bead to be clamped in, the central column is provided with a pneumatic groove communicated with the positioning bead, and the bearing seat is provided with a control valve for opening and closing the pneumatic groove.

Through adopting above-mentioned technical scheme, center post and reference column can carry out central location to the grip slipper for the cooperation position is aligned to socket and grip slipper, and during the grafting action, the ball groove is gone into through pneumatic groove card to the location pearl, from this makes socket card holder firmly, and the cooperation between socket and the grip slipper is more firm, and whether the pneumatic groove is ventilated or not then has been controlled to the control valve, when needing to change the centre gripping hand, the control valve is closed, and the pneumatic groove loses aerodynamic force, and the location pearl can break away from in the ball groove this moment, and the centre gripping hand can be lifted off promptly and change.

Optionally, the annular conveying line includes annular conveying belt, drives annular conveying belt driven delivery wheel, supplies the gliding annular slide rail of frock, and the surface of annular conveying belt is equipped with the tooth area, and the surface of delivery wheel is equipped with the tooth that supplies the tooth area to wind the dress, and annular conveying belt is connected with the frock.

By adopting the technical scheme, the annular conveying line forms an annular closed-loop conveying path, and the closed-loop structure is continuously circulated, so that starting and ending points of workpiece conveying are positioned at the same position, and the length of a workpiece turnover line is shortened; meanwhile, the toothed belt and the latch realize toothed matching, and the transmission length synchronization degree realized by driving the annular conveying belt is higher when the conveying wheel rotates, so that the sliding stop point of the tool is ensured to be in an accurate station range.

Optionally, the frock includes work bench and lower workstation of mutual detachable connection, and lower workstation is connected with annular conveyer belt.

Through adopting above-mentioned technical scheme, go up workstation and lower workstation for separable structure, the actual change that only needs to go up the workstation when aim at changing different frock can, lower workstation need not the dismouting, goes up the workstation and passes through the bolt fastening down on the workstation, and this connected mode is reliable and stable, convenient operation.

Optionally, the feeding device comprises a storage mechanism, a material taking mechanism and a grabbing mechanism; the storage mechanism comprises a storage box and a plurality of supporting plates arranged in the storage box, wherein a plurality of layers of storage slide ways for the supporting plates to slide in are arranged in the storage box from top to bottom, a plastic tray is placed on the supporting plates, and a feeding groove for placing workpieces is formed in the plastic tray.

Through adopting above-mentioned technical scheme, the storage mechanism is whole to be used for the deposit of work piece, and there is multilayer layer board in the storage case, but the storage slide in the storage case bearing layer board, realize the effect that multilayer layer board is not extruded each other from this, the plastics dish of placing on the layer board can be changed according to the type of work piece simultaneously, and different plastics dish possess different material loading grooves promptly, can bear the work piece of different shapes, and the storage mechanism is whole can be applicable to different work piece processing scenes in a flexible way.

Optionally, the periphery of layer board is equipped with a plurality of package bounding walls that surround the plastic tray, and the inner edge department of layer board is equipped with prevents stiff, and plastic tray external corner department is equipped with and is used for preventing that slow-witted angle of complex with preventing.

Through adopting above-mentioned technical scheme, can place the plastic tray on the layer board, the plastic tray is through preventing the setting at slow-witted angle simultaneously, has reduced the possibility that the earlier stage of plastic tray put wrong position for the work piece orientation of plastic tray can be accurate unanimous.

Optionally, the material taking mechanism comprises a material taking frame, a transmission motor and a transmission gear, wherein the material taking frame is connected to the material storage box in a sliding manner, the transmission motor is positioned on the material taking frame, the transmission gear is driven by the transmission motor, and the material storage box is provided with a sliding mechanism for sliding the material taking frame and a rack for meshing with the transmission gear along the height direction of the material storage box; the material taking mechanism further comprises a telescopic component arranged on the material taking frame and a hooking component driven by the telescopic component, wherein the hooking component comprises a rotating motor and a hook driven by the rotating motor.

By adopting the technical scheme, the material taking frame can slide up and down through the cooperation of the transmission motor, the transmission gear and the rack, so that the material taking frame can be controlled to stay at the appointed position of the material storage box, the plastic tray at the appointed position is aligned with the material taking frame, workpieces on the plastic tray can be transferred into the material taking frame, after the workpieces on the plastic tray are taken, the material taking frame can slide up and down to continuously take materials in another plastic tray without manual intervention, and the material taking efficiency is higher; the rotating motor in the hooking component controls the hook to rotate, so that the hook can be hooked on the bottom side of the supporting plate, the supporting plate is dragged to finish the action of extraction, the material is taken after the supporting plate is extracted, after the material is taken, the hook is pushed back to the supporting plate, the rotating motor controls the hook to rotate again, the hook is separated from the bottom side of the supporting plate in a rotating mode, the hook enters the bottom side of the next supporting plate provided with a workpiece, and the action is repeated, so that automatic material taking is completed.

On the other hand, the control method of the flexible production line based on the automobile switch assembly provided by the application adopts the following technical scheme:

the control method based on the flexible production line for automobile switch assembly is characterized by comprising the following steps of:

obtaining a model;

initialization control method

Judging whether the equipment is reset, if yes, putting the materials into a feeding machine, confirming production, and if not, returning to an initialization control method;

judging whether the station N requests feeding, if so, feeding by the robot, and if not, judging whether all stations do not request feeding;

judging whether the feeding is completed, if so, moving the annular line backwards by one grid, and returning to a judging station N to request the feeding; if not, returning to the robot for feeding;

and judging whether all stations do not request feeding, if so, ending production, and if not, returning to judge whether the feeding is finished.

By adopting the technical scheme, automatic judgment logic can be completed according to product model selection, stations without feeding are automatically identified, and current station feeding is automatically completed.

In summary, the present application includes at least one of the following beneficial technical effects:

the flexible production line is adopted, the flexible production line is mainly embodied in an annular conveying line, an annular assembly line and an annular turnover line, the annular conveying line, the annular assembly line and the annular turnover line are matched with each other, the annular assembly line can be freely arranged and combined, the tool of the annular conveying line can be adaptively adjusted, the annular turnover line can be adaptively changed into different clamping mechanisms, the feeding device can be changed according to different workpieces, and the using flexibility of the whole production line is high.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a feeding device in embodiment 1 of the present application;

FIG. 3 is a schematic view showing the split structure of the pallet and the plastic tray according to embodiment 1 of the present application;

FIG. 4 is a schematic view showing an assembled structure of a pallet and a plastic tray according to embodiment 1 of the present application;

FIG. 5 is a schematic view of a tank structure according to embodiment 1 of the present application;

FIG. 6 is a schematic view of a structure of an extracting mechanism according to embodiment 1 of the present application;

FIG. 7 is a schematic view of a telescopic assembly and a hitch assembly embodying embodiment 1 of the present application;

FIG. 8 is a schematic structural view of an endless conveyor line according to embodiment 1 of the present application;

fig. 9 is an enlarged view at a of fig. 8;

fig. 10 is a schematic structural diagram of a clamping device in embodiment 1 of the present application;

FIG. 11 is a schematic view showing the structure of a replacement mechanism according to embodiment 1 of the present application;

fig. 12 is a schematic diagram of a split structure of a clamping seat according to embodiment 1 of the present application;

fig. 13 is a schematic view of a split structure of a socket in embodiment 1 of the present application;

FIG. 14 is a flow chart of the overall annular conveyor line control of embodiment 2 of the present application;

fig. 15 is a flow chart of feeding control in embodiment 2 of the present application;

fig. 16 is a model switching flowchart of embodiment 3 of the present application.

In the figure, 1, a rack; 2. an annular conveying line; 21. an endless conveyor belt; 211. a toothed belt; 22. a conveying wheel; 221. latch teeth; 23. an annular slide rail; 3. an annular assembly line; 31. a feeding device; 311. a storage mechanism; 312. a material taking mechanism; 313. a grabbing mechanism; 314. a storage bin; 315. a supporting plate; 316. a storage slideway; 317. a plastic tray; 318. feeding a trough; 319. surrounding plates; 320. fool-proof plate; 321. fool-proof angle; 322. a material taking frame; 323. a drive motor; 324. a transmission gear; 325. a rack; 326. a telescoping assembly; 327. a hitching assembly; 328. a rotating electric machine; 329. a hook; 32. an assembling device; 33. a discharging device; 4. a loop-shaped turnover line; 41. clamping device; 411. a mechanical arm; 412. a clamping mechanism; 413. a pneumatic assembly; 414. a support; 415. swing arms; 416. a socket; 417. a signal connector; 418. a signal receiver; 419. a center column; 420. positioning columns; 421. a central slot; 422. a positioning groove; 423. positioning beads; 424. a spherical groove; 425. a control valve; 426. clamping hands; 427. a clamping seat; 43. a displacement mechanism; 431. a replacement station; 5. a tool; 51. a working platform; 52. and (5) unloading the workbench.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1: the flexible production line for assembling the automobile switch is suitable for high-freedom assembly production process of different types of workpieces; referring to fig. 1, the machine comprises a machine frame 1, wherein an annular conveying line 2 is arranged on the machine frame 1, and the annular conveying line 2 carries out closed-loop conveying to deliver workpieces to different stations. The frame 1 periphery is encircleed and is had annular assembly line 3, and annular assembly line 3 includes loading attachment 31, a plurality of assembly devices 32 and discharging device 33, and wherein loading attachment 31, assembly device 32 and discharging device 33 all can remove, can change according to the difference of work piece kind.

With continued reference to fig. 1, there is an annular turnover line 4 between the annular transfer line 2 and the annular assembly line 3, the annular turnover line 4 comprising a plurality of clamping devices 41, different clamping devices 41 being capable of repeatedly turnover workpieces onto the annular transfer line 2 or the annular assembly line 3.

Referring to fig. 2 and 3, the feeding device 31 includes a storage mechanism 311, a material taking mechanism 312 and a grabbing mechanism 313, the storage mechanism 311 includes a storage box 314, a plurality of trays 315 arranged in the storage box 314, a plastic tray 317 is placed on the trays 315, a plurality of feeding slots 318 (the shape in the drawing is simplified), the feeding slots 318 are used for placing workpieces, a plurality of surrounding plates 319 are arranged on the outer periphery of the trays 315, the surrounding plates 319 enable the plastic tray 317 to complete the center positioning, wherein the foolproof plates 320 are arranged at two inner corners of the trays 315, foolproof corners 321 for the foolproof plates 320 to be matched are arranged at the outer corners of the plastic tray 317, and the placing direction of the plastic tray 317 can be unified and accurate all the time through the alignment treatment of the foolproof corners 321 and the foolproof plates 320.

Referring to fig. 4, the plastic tray 317 may be integrally placed in the supporting plate 315, the plastic tray 317 is of a blow molding structure, the feeding groove 318 in the plastic tray 317 is designed and changed according to different types of workpieces, the supporting plate 315 is made of rigid metal, and the supporting plate 315 is not required to be replaced, but only the plastic tray 317 is required to be replaced, so as to meet the feeding requirements of various workpieces.

Referring to fig. 5 and 6, a plurality of layers of storage slide ways 316 are arranged in the storage box 314 from top to bottom, each storage slide way 316 is composed of a plurality of transverse pulleys, the supporting plates 315 and the plastic trays 317 can enter the storage box 314 along the storage slide ways 316, and all the supporting plates 315 and the plastic trays 317 slide into the storage box 314 to close the box door, so that material preparation can be completed. The material taking mechanism 312 comprises a material taking frame 322 which is slidably connected to the material storage tank 314, a transmission motor 323 connected to the bottom side of the material taking frame 322, and a transmission gear 324 driven by the transmission motor 323, wherein the material storage tank 314 is provided with a rack 325 along the height direction of the material storage tank 314, the transmission gear 324 is meshed with the rack 325, and therefore the material taking frame 322 is driven to lift by the rotation of the transmission gear 324, and the supporting plate 315 can slide onto the material taking frame 322 from different positions.

Referring to fig. 7, the take-off mechanism 312 further includes a telescoping assembly 326 on the take-off rack 322 and a hitch assembly 327, wherein the telescoping assembly 326 can be retracted or extended relative to the storage bin 314, and the hitch assembly 327 is slid by the telescoping assembly 326. The hooking component 327 comprises a rotating motor 328 and a hook 329 driven by the rotating motor 328, wherein the rotating motor 328 controls the hook 329 to rotate, so that the hook 329 can be screwed into a hook groove on the supporting plate 315, and can be taken out and sent.

The overall action of taking the material can be summarized as: the pallet 315 moves to the bottom layer of the storage box 314, the telescopic component 326 controls the hook 329 component to withdraw the pallet 315 and the plastic tray 317, the pallet 315 is positioned on the material taking frame 322 after being withdrawn, the material taking frame 322 is lifted to a designated height at the moment, as a material preparation, after the workpiece on the plastic tray 317 is taken out by the grabbing mechanism 313, the pallet 315 is lowered to the second layer height of the storage box 314 again, and the above-mentioned actions are repeated.

To reduce the amount of swing of the tray 315 as it is pulled during material extraction, the hitch assembly 327 may be replaced with a thumb cylinder with two clamping blocks for centering the tray 315. Or the hitching assembly 327 is replaced by two pushing cylinders, the piston rods of the two pushing cylinders are in hitching support from the bottoms of two sides of the supporting plate 315, so that the supporting plate 315 is dragged by the double support positions.

Referring to fig. 8 and 9, the annular conveying line 2 comprises an annular conveying belt 21, conveying wheels 22 and an annular sliding rail 23, the annular sliding rail 23 is connected with a tool 5 in a sliding manner, and the annular sliding rail 23 is of a closed-loop structure. The surface of annular conveyer belt 21 is equipped with tooth area 211, and the surface of delivery wheel 22 is equipped with the latch 221 that supplies tooth area 211 to wind dress, and annular conveyer belt 21 is connected with frock 5, utilizes the profile of tooth structure, guarantees that the slip landing point of frock 5 is accurate. The tooling 5 comprises an upper workbench 51 and a lower workbench 52 which are detachably connected up and down, only the lower workbench 52 is fixedly connected with the annular conveying belt 21, the upper workbench 51 is of five types, the lower workbench 52 is of a general structure, a plurality of different workpieces can be borne at a plurality of positions of the single upper workbench 51, the upper workbench 51 can be independently replaced according to the different workpiece types, meanwhile, a new upper workbench 51 can be manufactured by designing a die according to workpiece requirements, and the die is assembled on the lower workbench 52, so that the requirements of production scenes of different production lines are met.

Referring to fig. 10 and 11, the clamping device 41 includes a mechanical arm 411, and a clamping mechanism 412 detachably connected to the mechanical arm 411. The frame 1 is provided with a displacement mechanism 43 within the range of the movable radius of each mechanical arm 411, and the displacement mechanism 43 comprises two displacement stations 431, and each displacement station 431 can be placed by the clamping mechanism 412. The robotic arm 411 picks up the gripping mechanism 412 or lowers the gripping mechanism 412 via the pneumatic assembly 413. The mechanical arm 411 comprises a support 414, a plurality of swing arms 415 rotatably connected to the support 414, and a receiving seat 416 is connected to the end of the swing arm 415 at a connection point far away from the support 414.

Referring to fig. 12 and 13, the clamping mechanism 412 includes a clamping hand 426 and a clamping seat 427, and the socket 416 and the clamping seat 427 are assembled by docking. The socket 416 is provided with a central column 419 and a positioning column 420, the clamping seat 427 is provided with a central groove 421 for the central column 419 to be inserted and a positioning groove 422 for the positioning column 420 to be inserted, and when the central column 419 and the central groove 421 are inserted, the inner surface and the outer surface are attached without swinging gaps. The outer peripheral surface of the central column 419 is provided with a positioning bead 423, the protruding volume of the positioning bead 423 relative to the central column 419 is smaller than that of a hemisphere, a spherical groove 424 is arranged in a central groove 421 of the bearing seat 416, the spherical groove 424 is of a hemispherical structure and can be used for enabling the positioning bead 423 to slide in, in order to control the movement of the positioning bead 423, the bearing seat 416 is provided with a control valve 425, the control valve 425 is externally connected with an air pipe and the inner through bearing seat 416, the control valve 425 controls the movement of the positioning bead 423 through a pneumatic groove in the bearing seat 416, and when the bearing seat 416 is matched with the clamping seat 427, the positioning bead 423 is blocked into the spherical groove 424 by pneumatic action, so that the clamping seat 427 can be stably lifted when the bearing seat 416 is lifted. The signal connector 417 is also provided on the receiving base 416, and the signal receiver 418 for plugging the signal connector 417 is provided on the clamping base 427, so that the clamping hand 426 obtains a stable wired signal to generate an accurate clamping action.

The implementation principle of the embodiment of the application is as follows: the whole three-way circular line, namely the circular conveyor line 2, the circular line assembly line 3 and the circular turnover line 4, is characterized in that the type of the tool 5 is selected according to the different types of workpieces, the proper tool 5 is arranged on the circular conveyor line 2, the plastic disc 317 is selected according to the different types of the workpieces, the plastic disc 317 is put into the storage box 314 through the supporting plate 315, the assembly device 32 surrounded by the outer ring is selected according to the different types of the workpieces, the corresponding clamping mechanism 412 is selected according to the different types of the workpieces, the replacement of the clamping mechanism 412 can be controlled by an upper computer to perform instant replacement, and the processing condition can be entered after all preparation works are completed. The work piece takes out Zhou Zhuaidao annular turnover line 4 from the storage box 314, the annular turnover line 4 continuously drives, the work of assembling, code spraying, checking and the like of the work piece is completed through the assembling device 32 in the process, and finally the work piece is sent out from the annular turnover line 4.

Embodiment 2, as shown in fig. 14, based on the control method of embodiment 1, includes the following steps:

obtaining a model;

initialization control method

Judging whether the production line is reset, if yes, putting materials into a feeding device, confirming production, and if not, returning to an initialization control method;

judging whether the station N requests feeding, if so, feeding the clamping device, and if not, judging whether all stations do not request feeding;

judging whether the feeding is completed, if so, moving the annular conveying line backwards by one lattice, and returning to a judging station N to request the feeding; if not, returning to the robot for feeding;

and judging whether all stations do not request feeding, if so, ending production, and if not, returning to judge whether the feeding is finished.

Fig. 15 is a feeding control method, comprising the steps of:

obtaining a model;

initializing a control system;

judging whether the clamping device is reset, if yes, entering the next step, and if not, returning to an initialization control system;

judging whether the feeding device is reset, if yes, entering the next step, if not, initializing the feeding device, and returning to judge whether the feeding device is reset;

judging whether the material exists, if so, entering the next step, if not, feeding by a feeding device, and returning to judge whether the material exists;

taking materials by a clamping device;

feeding by a clamping device;

judging whether all stations do not request feeding, if so, entering the next step, and if not, returning to the clamping device to take materials;

and replacing the plastic disc, and returning to judge whether the material exists.

Fig. 16 is a model switching method, comprising the steps of:

starting;

opening an automatic production line tracing system;

scanning and inputting model information;

reading SAP order information according to the model to form a production line order;

judging whether the server is ordered or not, if not, turning on an automatic production line tracing system; if yes, entering the next step;

the tracing system gives the information of the hairstyle number under the PLC, the clamping device and the test bench;

the PLC issues the corresponding model of the robot in a coding mode through IO output;

judging whether the hairstyle number under the PLC is consistent with the hairstyle number under the tracking server by the clamping device, if not, returning the hairstyle number under the PLC, the clamping device and the test bench by the tracking system, and if so, entering the next step;

the test equipment automatically switches the test program of the corresponding model;

the clamping device starts to reset according to the corresponding model;

the clamping device sends an instruction to switch visual software of a corresponding model through the Ethernet;

the clamping device inputs signals through the clamping mechanism to switch the clamping mechanism;

judging whether the visual software and the clamping mechanism are matched with the type number of the next unit, if not, returning to the clamping device to switch the visual software of the corresponding type through an Ethernet sending instruction; if yes, the model switching is finished.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a flexible production line for automotive switch equipment, includes frame (1), its characterized in that is equipped with on frame (1):

the annular conveying line (2), the annular conveying line (2) is loaded with a tool (5) for placing workpieces;

the annular assembly line (3) is detachably arranged outside the annular conveying line (2) in a surrounding mode and comprises a feeding device (31), a plurality of assembly devices (32) for assembling workpieces and a discharging device (33), wherein the feeding device (31), the assembly devices (32) and the discharging device (33) can move;

an annular turnover line (4) comprising a plurality of clamping devices (41) between the annular conveying line (2) and the annular assembly line (3) for turnover of workpieces onto the annular conveying line (2) or the annular assembly line (3); the clamping device (41) comprises a mechanical arm (411) arranged on the frame (1) and a clamping mechanism (412) detachably connected with the mechanical arm (411).

2. The flexible production line for assembling automobile switches according to claim 1, wherein a displacement mechanism (43) is arranged in the range of the movement radius of each mechanical arm (411), and the displacement mechanism (43) comprises at least two displacement stations (431) for placing clamping mechanisms (412); the mechanical arm (411) is provided with a pneumatic assembly (413) for taking and placing the clamping mechanism (412).

3. The flexible production line for assembling automobile switches according to claim 2, wherein the mechanical arm (411) comprises a support (414), a plurality of swing arms (415) rotatably connected to the support (414), a bearing seat (416) is arranged at the end of the swing arm (415) far away from the connection point of the support (414), the pneumatic component (413) is arranged on the bearing seat (416), and a signal connector (417) is further arranged on the bearing seat (416);

the clamping mechanism (412) comprises a clamping hand (426) and a clamping seat (427), and a signal receiver (418) for the plugging and matching of the signal connector (417) is arranged on the clamping seat (427).

4. A flexible production line for assembling an automobile switch according to claim 3, wherein the bearing seat (416) is provided with a central column (419) and a positioning column (420), and the clamping seat (427) is provided with a central groove (421) for inserting the central column (419) and a positioning groove (422) for inserting the positioning column (420); the outer peripheral surface of the central column (419) is provided with a positioning bead (423), a hemispherical spherical groove (424) for the positioning bead (423) to be clamped in is arranged at the central groove (421) of the bearing seat (416), the central column (419) is provided with a pneumatic groove communicated with the positioning bead (423), and the bearing seat (416) is provided with a control valve (425) for opening and closing the pneumatic groove.

5. The flexible production line for assembling automobile switches according to claim 1, wherein the annular conveying line (2) comprises an annular conveying belt (21), a conveying wheel (22) for driving the annular conveying belt (21) to drive, and an annular sliding rail (23) for sliding the tool (5), a toothed belt (211) is arranged on the surface of the annular conveying belt (21), a latch (221) for winding the toothed belt (211) is arranged on the outer surface of the conveying wheel (22), and the annular conveying belt (21) is connected with the tool (5).

6. The flexible production line for assembling automobile switches according to claim 5, wherein the tooling (5) comprises an upper work table (51) and a lower work table (52) which are detachably connected with each other, and the lower work table (52) is connected with the annular conveying belt (21).

7. The flexible production line for automotive switch assembly of claim 1, wherein the loading device (31) comprises a storage mechanism (311), a take-off mechanism (312), a gripping mechanism (313); the storage mechanism (311) comprises a storage box (314) and a plurality of supporting plates (315) arranged in the storage box (314), wherein a plurality of layers of storage slide ways (316) into which the supporting plates (315) slide are arranged in the storage box (314) from top to bottom, plastic trays (317) are placed on the supporting plates (315), and feeding grooves (318) for placing workpieces are formed in the plastic trays (317).

8. The flexible production line for assembling automobile switches according to claim 7, wherein a plurality of surrounding plates (319) surrounding the plastic tray (317) are arranged on the outer periphery of the supporting plate (315), a fool-proof plate (320) is arranged at the inner edge of the supporting plate (315), and fool-proof angles (321) matched with the fool-proof plate (320) are arranged at the outer corners of the plastic tray (317).

9. The flexible production line for assembling an automobile switch according to claim 7, wherein the material taking mechanism (312) comprises a material taking frame (322) connected to the material storage box (314) in a sliding manner, a transmission motor (323) arranged on the material taking frame (322), and a transmission gear (324) driven by the transmission motor (323), wherein the material storage box (314) is provided with a sliding portion for sliding the material taking frame (322) along the height direction and a rack (325) for meshing with the transmission gear (324); the material taking mechanism (312) further comprises a telescopic component (326) arranged on the material taking frame (322), and a hanging component (327) driven by the telescopic component (326), wherein the hanging component (327) comprises a rotating motor (328) and a hook (329) driven by the rotating motor (328).

10. A control method based on the flexible production line for automobile switch assembly according to claim 1, characterized by comprising the following steps:

obtaining a model;

initializing a control method;

judging whether the production line is reset, if yes, putting materials into a feeding device, confirming production, and if not, returning to an initialization control method;

judging whether the station N requests feeding, if so, feeding the clamping device, and if not, judging whether all stations do not request feeding;

judging whether the feeding is completed, if so, moving the annular conveying line backwards by one lattice, and returning to a judging station N to request the feeding; if not, returning to the robot for feeding;

and judging whether all stations do not request feeding, if so, ending production, and if not, returning to judge whether the feeding is finished.