CN113035613A

CN113035613A - Automatic assembling machine for movable contact spring of automobile combination switch and assembling method thereof

Info

Publication number: CN113035613A
Application number: CN202110270418.4A
Authority: CN
Inventors: 胡达锋; 黄森荣
Original assignee: Ningbo Huake Auto Parts Co ltd
Current assignee: Ningbo Huake Auto Parts Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-06-25
Anticipated expiration: 2041-03-12
Also published as: CN113035613B

Abstract

The invention discloses an automatic assembling machine for a movable contact spring of an automobile combination switch and an assembling method thereof, wherein the automatic assembling machine comprises a workbench, the workbench is provided with a turntable assembly, and the workbench is provided with four stations which comprise a first station, a second station, a third station and a fourth station; four fixing jigs are arranged on the turntable assembly, each fixing jig comprises a shell fixing jig and a sliding block fixing jig, and each sliding block fixing jig comprises a clamping mechanism; the second station comprises a movable contact piece cutting module, and the movable contact piece cutting module comprises a mounting frame, a movable contact piece material belt reel arranged on the mounting frame, a cutting mechanism and a contact piece assembling manipulator; the third station comprises an oiling module and a height detection mechanism; the fourth station comprises a sliding block assembly module which comprises an assembly manipulator; the first station and the fourth station are both provided with unlocking mechanisms, and the unlocking mechanisms act on the clamping mechanisms to drive the clamping mechanisms to unlock. The invention has the following advantages and effects: has the effects of high efficiency, high qualification rate and low product scrap quantity.

Description

Automatic assembling machine for movable contact spring of automobile combination switch and assembling method thereof

Technical Field

The invention relates to the technical field of automobile combination switch assembly, in particular to an automatic movable contact piece assembling machine of an automobile combination switch and an assembling method thereof.

Background

The combined switch is a very important part on an automobile, each automobile needs to be equipped with the combined switch, and meanwhile, as the switch function, the combined switch needs to be conducted by a movable contact piece to trigger a signal. As shown in fig. 1, a schematic structural relationship diagram of a combination switch is shown, the combination switch mainly includes a combination switch housing, a chute is provided in the combination switch housing, a plurality of sliding blocks are provided in the chute, when the sliding blocks are installed in the chute, oil needs to be coated in the chute, each sliding block is correspondingly provided with various kinds of movable contact pieces, but all the existing movable contact pieces are assembled after being manually cut, and eight contact pieces of 3 types are installed in one combination switch, which has the problem of low assembly efficiency, and the movable contact pieces are easily deformed when being manually grabbed in the installation process, thereby affecting the qualification rate of finished products, and in addition, the installation height and consistency of different movable contact pieces cannot be detected to ensure good contact. Therefore, the working efficiency of workers is greatly restricted, and the phenomena of poor function and switch scrapping can be caused sometimes.

Disclosure of Invention

The invention aims to provide an automatic assembling machine for a movable contact spring of an automobile combination switch, which has the effects of high efficiency, high qualification rate and low finished product scrap quantity. Another object of the present invention is to provide an assembling method of an automatic moving contact assembling machine, which has the effects of high consistency and high automation degree.

The technical purpose of the invention is realized by the following technical scheme: an automatic movable contact piece assembling machine of an automobile combination switch comprises a workbench, wherein a turntable assembly is rotatably arranged on the workbench, four stations are arranged on the workbench along the periphery of the turntable assembly, and the four stations comprise a first station, a second station, a third station and a fourth station;

the turntable assembly is provided with fixing jigs corresponding to the four stations, each fixing jig comprises a shell fixing jig and a sliding block fixing jig, and each sliding block fixing jig comprises a clamping mechanism for clamping a sliding block;

the second station comprises a movable contact piece cutting module, and the movable contact piece cutting module comprises a mounting frame, a movable contact piece material belt reel arranged on the mounting frame, a cutting mechanism and a contact piece assembling manipulator;

the third station comprises an oiling module and a height detection mechanism;

the fourth station comprises a sliding block assembly module which comprises an assembly manipulator;

the first station and the fourth station are both provided with unlocking mechanisms, and the unlocking mechanisms act on the clamping mechanisms to drive the clamping mechanisms to unlock.

By adopting the technical scheme, when the movable contact piece is assembled in the combined switch shell, the combined switch shell is correspondingly placed on the shell fixing jig and fixed, the unlocking mechanism drives the clamping mechanism to unlock, the sliding blocks are manually and correspondingly placed on the sliding block fixing jig, and then the clamping mechanism clamps and fixes the sliding blocks; the turntable assembly rotates the fixed jig provided with the sliding block and the combined switch shell to a second station, the movable contact strip is sent out from the movable contact strip reel, the movable contact strip is cut by the cutting mechanism and assembled on the corresponding sliding block through the contact assembling mechanical arm; the turntable assembly rotates the fixed jig provided with the movable contact piece to a third station, so that the combined switch shell is correspondingly positioned under the oiling module, the sliding block provided with the movable contact piece corresponds to the height detection mechanism, the oiling module coats a sliding groove provided with the sliding block in the combined switch shell with oil, and the height detection mechanism detects the height point of the movable contact piece; after the detection is finished, the rotary disc assembly rotates the fixing jig of the third station to the fourth station, the unlocking mechanism drives the clamping mechanism to unlock, the qualified sliding block is assembled into the combined switch shell through the assembling manipulator, and the unqualified sliding block is taken out and placed in a defective product area. Subsequently, the fixed tool of carousel subassembly with the fourth station returns to first station, so, can assemble, process simultaneously on the quadruplex position, the assembly is more target in place, and thereby carries out the high low detection to the movable contact spring and reduce the rejection rate, has high-efficient, high qualification rate, the effect that the finished product disability volume is low.

The invention is further provided with: the clamping mechanism comprises a plurality of clamping blocks, the clamping blocks are arranged on the sliding block fixing jig in a sliding mode, sliding rods penetrating through the sliding block fixing jig are fixed on the sliding blocks, one ends, far away from the sliding blocks, of the sliding rods are fixedly connected to the same connecting strip, push rods are arranged on the connecting strip, the unlocking mechanism is arranged to be an unlocking cylinder, and the unlocking cylinder is in pushing fit with the push rods; the push rod is sleeved with an extension spring, and the extension spring drives the connecting strip to be away from the sliding block fixing jig, so that the clamping block has a motion trend of clamping the sliding block fixing jig.

Through adopting above-mentioned technical scheme, when installing the slider on the fixed tool of slider, the piston rod of unblock cylinder stretches out, the top pushes away the push rod, the push rod promotes the slide bar on the connecting strip and drives and press from both sides tight piece to the direction motion of keeping away from the fixed tool of slider, make and press from both sides the clearance that forms between tight piece and the fixed tool of slider and supply the slider installation, after the slider installation is accomplished, the piston rod retraction of unblock cylinder, under the elastic force effect of extension spring, the slide bar drives and presss from both sides tight piece and resets, make and press from both sides tight piece and the fixed tool cooperation of slider. So, at the carousel rotation in-process, the slider receives the clamp force of pressing from both sides tight piece all the time and difficult displacement, has higher fastness and stability, and still can prevent that the slider from neglected loading or the slider installation is not in place.

The invention is further provided with: the first station is provided with an infrared sensing device, the infrared sensing device is electrically connected with the turntable assembly, and the infrared sensing device comprises a transmitter and a receiver; the clamping block is provided with a through hole for infrared rays to pass through, and when the clamping block clamps the sliding block, the infrared rays pass through the through holes to drive the turntable assembly to move.

Through adopting above-mentioned technical scheme, the transmitter transmission infrared ray, when all press from both sides tight piece with the slider clamp fastening timing, the through-hole on every presss from both sides tight piece is in same straight line, and the infrared ray can pass the through-hole and be received by the receiver this moment, and infrared sensing device can control the carousel subassembly and rotate afterwards.

The invention is further provided with: the cutting mechanism comprises a mounting seat, the mounting seat is provided with a feeding end and a discharging end, a material conveying channel is formed between the feeding end and the discharging end, a movable contact sheet material belt moves from the feeding end to the discharging end along the mounting seat, and the mounting seat is provided with a movable contact sheet material belt

The tool bit device is arranged at the discharge end of the mounting seat and is used for cutting and separating the movable contact piece from the movable contact piece material belt;

the pushing device is used for pushing the moving contact sheet material belt to the discharging end along the mounting seat; and

the material arranging device is arranged at the feed end of the mounting seat and comprises a finger cylinder, a connecting block is arranged on a piston rod of the finger cylinder, a flattening block is arranged on the connecting block, and the finger cylinder drives the flattening block to move horizontally relative to the mounting seat through the connecting block.

By adopting the technical scheme, in the processing process, the movable contact piece material belt moves from the feeding end to the discharging end under the pushing action of the pushing device, when the front end of the movable contact piece material belt moves to the position below the cutter head device at the discharging end, the cutter head device is started to cut the connecting part between the movable contact piece on the movable contact piece material belt and the material belt, so that the movable contact piece is separated from the material belt, and the cut movable contact piece can be taken by the contact piece assembling mechanical arm for assembly; at the feed end department, the material all in one piece device promotes the support bar on the material area to the level form by vertical direction to the center, and at this moment, the support bar that originally plays supporting role flushes with the upper surface in material area mutually, so, the follow-up pusher jack of being convenient for promotes the material area and moves forward, can prevent to a certain extent that the in-process of advancing between the support bar of pusher jack and vertical state from forming the interference for it is more smooth and easy to pass at the pay-off in-process. So, the continuity of cutting, lapse, material all in one piece process is stronger, for manual cutting, has high-efficient, safe, reliable effect, and the movable contact spring after cutting is not fragile, has higher qualification rate.

The invention is further provided with: the cutter head device comprises a cutting cutter head assembly, the cutting cutter head assembly comprises a driving air cylinder, a linkage assembly, a mounting block and a blade fixedly mounted on the mounting block, the linkage assembly comprises a wane and a linkage column, the middle part of the wane is rotatably connected to the mounting seat, the driving air cylinder drives the wane to rotate relative to the mounting seat, one end of the wane is matched with the driving air cylinder, and the other end of the wane is matched with the linkage column; the linkage column is fixedly connected to the mounting block and is in sliding fit with the mounting seat along the vertical direction;

when the driving cylinder acts on one end of the rocker to press down, the other end of the rocker pushes the linkage column to warp upwards.

By adopting the technical scheme, in an initial state, the piston rod of the driving cylinder extends downwards and always abuts against the end part of the wane, so that the mounting block drives the blade to be in a lifting state; when the movable contact piece is cut, the piston rod of the driving cylinder retracts, the wane loses the resisting effect of the piston rod, the mounting block falls under the action of gravity and presses one end of the wane downwards, so that the wane rotates, and the other end (close to one end of the driving cylinder) of the wane upwarps, thus the rapid and accurate cutting process can be realized; when cutting the completion, drive actuating cylinder piston rod and release again, push down the wane near the one end that drives actuating cylinder piston rod, the wane other end upwarps, promotes the installation piece upward movement through the linkage post simultaneously, and at this moment, the installation piece can drive the blade lifting, supplies the movable contact strip to move forward, realizes the lifting of installation piece through the lever principle of wane, and the required drive power of actuating cylinder is less to reduce cost.

The invention is further provided with: the cutter head assembly comprises a belt cutting cutter head assembly, the belt cutting cutter head assembly comprises a thrust cylinder, a linkage piece and a cutter, the linkage piece is rotatably arranged on the mounting seat and comprises a first linkage arm and a second linkage arm, and the first linkage arm is in rotating fit with a piston rod of the thrust cylinder; the belt cutting tool bit assembly also comprises a push block assembly, the cutter is arranged on the push block assembly, and the second linkage arm is hinged to the push block assembly; the workbench is also provided with a waste box positioned at the discharge end;

when the thrust cylinder drives the linkage piece to rotate, the second linkage arm drives the cutter to move relative to the mounting seat through the push block assembly.

By adopting the technical scheme, in an initial state, a piston rod of the thrust cylinder extends out to push the first linkage arm to move forwards, the linkage piece integrally rotates to drive the second linkage arm to move upwards to support the push block assembly, and at the moment, the cutter is far away from the mounting seat; when cutting, the piston rod of the thrust cylinder retracts to drive the linkage piece to rotate reversely, so that the second linkage arm moves downwards, the push block assembly can drive the cutter to move downwards, and cutting of the waste belt is achieved. The cutting tape cutter head assembly can cut the remaining material belt after the movable contact piece is cut and cut in a segmented mode, if the remaining material belt is continuously conveyed forwards, a mixed and disorderly waste material belt is easily formed, the long-strip waste material belt is easy to support, occupied space is large, and after the long-strip waste material belt is cut into small sections by the cutting tape cutter head assembly, the occupied space can be greatly reduced, workers do not need to frequently manage, and time and labor are saved.

The invention is further provided with: the pushing device comprises a pushing cylinder and a pushing seat, the pushing seat is arranged on the mounting seat in a sliding mode through a sliding assembly, and the pushing cylinder drives the pushing seat to slide relative to the mounting seat; the pushing seat is provided with a pushing column, and the bottom end of the pushing column is provided with a guide inclined plane.

By adopting the technical scheme, the lower end of the pushing column is inserted into the through hole of the material belt at the initial position; when the material belt is pushed forwards, the pushing cylinder is started, a piston rod of the pushing cylinder extends out to push the pushing seat, the pushing seat is matched with the sliding assembly to move towards the discharging end, and the pushing column can drive the material belt to move forwards due to the fact that the pushing column is inserted into the through hole; after the material area passed suitable distance, pass the cylinder drive piston rod and retract to reset, pass the seat and drive the post that pushes away and reset, at this moment, the blade was in and pushes down the cutting condition, because the installation piece compresses tightly the material area and is fixed in on the mount pad for pass the post lower extreme and break away from the through-hole fast under the guide effect on direction inclined plane, so, can not drive the material area when passing the post and move backward.

The invention is further provided with: the oiling module comprises an oil storage plate, and a plurality of oiling pipes are vertically arranged on the oil storage plate.

By adopting the technical scheme, the oil coating pipe can vertically and downwards correspondingly coat the oil in the oil storage plate into the sliding groove of the combined switch shell, so that the sliding block is correspondingly arranged in the sliding groove in the next procedure.

The invention is further provided with: the height detection mechanism comprises a camera, a screw pair assembly for driving the camera to move and a contact positioning device, the contact positioning device comprises a support, a positioning assembly is arranged on the support and comprises a positioning plate and a plurality of positioning pins arranged on the positioning plate, a lifting assembly is arranged on the positioning plate and comprises a lifting rod, a cover cap and a lifting cylinder, the end part of the lifting rod is fixedly connected to the positioning plate and the cover cap, a piston rod of the lifting cylinder is fixedly connected to the cover cap, and the lifting cylinder is arranged on the support.

Through adopting above-mentioned technical scheme, when detecting the height point of movable contact spring, the lift cylinder starts, drives the shroud downstream, can drive the locating plate to move down under the coordinated action of lifter, drives the pilot pin on the locating plate to move down simultaneously, until the pilot pin lower extreme with the movable contact spring support tight location correspondingly, the camera can detect the peak and the minimum of movable contact spring afterwards, but through the movable camera position of screw rod auxiliary assembly for the camera one-to-one is corresponding to the movable contact spring of different positions. The camera detects the height position of the movable contact piece, has higher accuracy, is more convenient in the detection process, and can reduce the whole process.

The other technical purpose of the invention is realized by the following technical scheme: an assembling method of an automatic assembling machine for a movable contact spring of an automobile combination switch comprises the following steps:

s1, fixing the combined switch shell: manually and fixedly installing the combined switch shell in a shell fixing jig (111) at a first station;

s2, fixing the sliding block: the unlocking mechanism acts on the clamping mechanism, so that the clamping mechanism is relatively far away from the sliding block fixing jig (112) to unlock, a plurality of sliding blocks are manually placed into the sliding block fixing jig (112) at a first station manually, the unlocking mechanism resets, so that the clamping mechanism resets, the clamping mechanism clamps and fixes the sliding blocks to the sliding block fixing jig (112), and the fixing jig provided with the sliding blocks and the shell rotates to a second station (13) along with the rotary table;

s3, assembling the movable contact piece: the movable contact piece on the movable contact piece material belt is automatically cut by the cutting mechanism, the cut movable contact piece is grabbed and installed on the corresponding sliding block by the movable contact piece assembling manipulator, and the rotary table component drives the fixing jig to rotate from the second station to the third station;

s4, oiling a combined switch shell: the oil coating assembly coats oil to a sliding groove of a sliding block arranged at the bottom in the combined switch shell positioned right below;

s5, detecting the height of the movable contact piece: the height detection mechanism detects the installation height of the movable contact piece arranged on the sliding block;

s6, assembling a sliding block: the turntable assembly drives the fixed jig to rotate from a third station to a fourth station, the unlocking mechanism acts on the clamping mechanism to realize unlocking, the assembling manipulator assembles the slider qualified in the high-low detection in the previous step into the chute of the combined switch shell, automatically takes the slider unqualified in the previous step into a defective part storage area, and resets the unlocking mechanism after the assembly is completed so as to reset the clamping mechanism;

s7, oiling and assembling the PCB: the turntable assembly drives the fixed jig to rotate from the fourth station to the first station, the PCB is manually oiled and then installed in the combined switch shell, and a finished product is taken out after assembly is completed;

the process of S1-S7 is circulated.

By adopting the technical scheme, the cutting, assembling and high-low position detection processes of the movable contact piece can be automatically completed, the oil coating process and the assembling process of the sliding block and the shell can be automatically completed, the assembling process has higher continuity, and the automation degree is higher.

In conclusion, the invention has the following beneficial effects:

1. the movable contact piece is assembled in place by adopting a mode of assembling and processing on four stations at the same time, and the movable contact piece is subjected to high-low detection, so that the rejection rate can be reduced, and the effects of high efficiency, high qualification rate and low finished product scrap quantity are achieved;

2. adopt clamping device to press from both sides tight location to the slider, at the carousel rotation in-process, the slider receives the clamp force of pressing from both sides tight piece all the time and difficult displacement, has higher fastness and stability, adopts the unblock cylinder to carry out the unblock to the clamping device of first, fourth station, has convenient, quick effect.

3. The tool bit device, the pushing device and the material arranging device are arranged on the mounting seat, so that the continuity of the cutting, pushing and material arranging processes is strong, the cutting, pushing and material arranging device has the effects of high efficiency, safety and reliability compared with manual cutting, the cut movable contact piece is not easy to damage, and the qualified rate is high;

4. the finger cylinder is adopted to drive the two flatting blocks to move oppositely, when the flatting blocks move horizontally, the vertical supporting strips can be flatly pushed to be horizontal, so that on one hand, interference in the pushing process is prevented, and on the other hand, the waste material belt can be cut and stacked to occupy a smaller volume;

5. the camera detects the highest point and the lowest point of the movable contact spring after the movable contact spring is positioned by the positioning assembly, so that the accuracy is high, the detection process is convenient, and the whole process can be reduced.

Drawings

Fig. 1 is a schematic structural relationship diagram of a combined switch provided with a sliding block and a movable contact piece in the prior art.

Fig. 2 is a schematic diagram of the overall structural relationship of the embodiment.

FIG. 3 is a schematic structural relationship diagram of the first, third and fourth stations of the embodiment.

FIG. 4 is a schematic structural relationship diagram of the first and fourth stations of the embodiment.

Fig. 5 is a schematic structural relationship diagram of the moving contact strip.

Fig. 6 is a schematic view showing the internal structural relationship of the cutting mechanism of the embodiment, in which a side plate is not shown.

Fig. 7 is a structural relationship diagram of another view angle of the cutting mechanism of the embodiment, wherein a side plate is not shown.

Fig. 8 is a schematic structural relationship diagram of the pusher jack of the embodiment.

Fig. 9 is an enlarged view of the area a in fig. 8.

FIG. 10 is a schematic perspective view of a third station in the embodiment.

FIG. 11 is a rear view of the third station in the example.

FIG. 12 is a schematic structural diagram of a positioning assembly according to an embodiment.

In the figure: 1', a combined switch shell; 2', a slide block; 3', a movable contact spring; 4', a material strip; 5', a through hole; 6', a supporting strip;

1. a work table; 11. a turntable assembly; 111. a fixture is fixed on the shell; 1111. rotating the positioning cylinder; 1112. the anti-jumping bar; 112. a slide block fixing jig; 113. a clamping block; 1131. a through hole; 114. a slide bar; 115. a connecting strip; 116. a push rod; 117. an extension spring; 12. a first station; 121. a transmitter; 122. a receiver; 13. a second station; 131. a contact piece assembling manipulator; 14. a third station; 141. an oil storage plate; 142. coating an oil pipe; 143. a camera; 144. a screw pair assembly; 15. a fourth station; 16. a fixing plate; 161. an unlocking cylinder; 17. a mounting frame; 171. a winding disc; 172. a winding motor; 173. a material conveying guide groove; 174. a moving contact strip reel; 18. a waste bin; 19. a slider waste bin; 2. a mounting seat; 22. a substrate assembly; 221. a guide post; 222. pressing blocks; 23. a feeding end; 24. a discharge end; 25. a material conveying channel; 3. a blanking bit assembly; 31. a driving cylinder; 32. mounting blocks; 33. a blade; 34. a seesaw; 35. a linkage column; 36. a linkage block; 4. a tape cutter head assembly; 41. a thrust cylinder; 42. a linkage member; 421. rotating the sleeve; 422. a first linkage arm; 423. a second linkage arm; 43. a cutter; 5. a pushing device; 51. a pushing cylinder; 52. a pushing seat; 521. a chute; 53. a slide rail; 54. pushing and moving the column; 55. a guide slope; 6. a material distributing device; 61. a finger cylinder; 62. connecting blocks; 63. pushing the flat block; 7. a pushing block; 71. a hinge portion; 72. a guide hole; 8. a support; 81. positioning a plate; 811. a positioning pin; 812. a lifting rod; 813. a cover; 814. a lifting cylinder; 9. and assembling a manipulator.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

An automatic kludge of movable contact spring of car combination switch, as shown in fig. 2, including workstation 1, the rotation is provided with carousel subassembly 11 on the workstation 1, is provided with four stations that are equally spaced apart along carousel subassembly 11 periphery on the workstation 1, and four stations are including first station 12, second station 13, third station 14 and fourth station 15. The turntable assembly 11 is provided with fixing jigs corresponding to the four stations, each fixing jig comprises a shell fixing jig 111 and a sliding block fixing jig 112, and each sliding block fixing jig 112 comprises a clamping mechanism for clamping the sliding block 2';

as shown in fig. 3 and 4, the casing fixing fixture 111 further includes a rotational positioning cylinder 1111 and an anti-jumping rod 1112 disposed on a piston rod of the rotational positioning cylinder 1111, the rotational positioning cylinder 1111 is fixedly mounted on the turntable assembly 11, and when the combination switch casing 1 ' is placed on the casing fixing fixture 111, the rotational positioning cylinder 1111 is activated to drive the anti-jumping rod 1112 to rotate and correspondingly located on the combination switch casing 1 ' to position the combination switch casing 1 '.

As shown in fig. 3 and 4, the clamping mechanism includes a plurality of clamping blocks 113, the clamping blocks 113 are slidably disposed on the slider fixing jig 112, a sliding rod 114 penetrating through the slider fixing jig 112 is fixed on the slider 2', one ends of the sliding rods 114 far away from the slider are fixedly connected to the same connecting strip 115, a push rod 116 is disposed on the connecting strip 115, the push rod 116 penetrates through the housing fixing jig 111, the fixed plate 16 is disposed on the workbench 1, the first station 12 includes an unlocking mechanism, the unlocking mechanism is an unlocking cylinder 161, the unlocking cylinder 161 is fixedly disposed on the fixed plate 16, and the unlocking cylinder 161 and the push rod 116 are in pushing fit; the push rod 116 is sleeved with an extension spring 117, one end of the extension spring 117 abuts against the connecting strip 115, the other end of the extension spring 117 abuts against the slider fixing jig 112, and the extension spring 117 drives the connecting strip 115 to be away from the slider fixing jig, so that the clamping block 113 has a movement tendency of clamping the slider fixing jig 112.

When the slider 2' is installed on the slider fixing jig 112, the piston rod of the unlocking cylinder 161 extends out to push the push rod 116, the push rod 116 pushes the slide rod 114 on the connecting strip 115 and drives the clamping block 113 to move towards the direction away from the slider fixing jig 112, so that a gap for installing the slider is formed between the clamping block 113 and the slider fixing jig 112, after the slider is installed, the piston rod of the unlocking cylinder 161 retracts, under the elastic force action of the extension spring 117, the slide rod 114 drives the clamping block 113 to reset, and the slider is clamped and fixed by the cooperation of the clamping block 113 and the slider fixing jig 112. So, at the carousel rotation in-process, the slider receives the clamp force of pressing from both sides tight piece 113 all the time and difficult displacement, has higher fastness and stability.

As shown in fig. 3 and 4, the first station 12 is further provided with an infrared sensing device, the infrared sensing device is electrically connected to the turntable assembly 11, and the infrared sensing device includes a transmitter 121 and a receiver 122; each clamping block 113 is provided with a through hole 1131 for infrared rays to pass through. The emitter 121 emits infrared rays, when all the clamping blocks 113 clamp the slider in a fixed position, the through holes 1131 of each clamping block 113 are in the same straight line, and then the infrared rays can pass through the through holes 1131 and be received by the receiver 122, and then the infrared ray sensing device can control the rotation of the turntable assembly 11.

As shown in fig. 2, 6 and 7, the second station 13 includes a movable contact piece cutting module, the movable contact piece cutting module includes a mounting rack 17, a movable contact piece material belt reel 174 arranged on the mounting rack 17, a cutting mechanism and a contact piece assembling manipulator 131, the mounting rack 17 is arranged on the workbench 1, and the mounting rack 17 is rotatably connected with three winding disks 171 and a winding motor 172 for driving the winding disks 171 to rotate. The mounting rack 17 is also provided with three material conveying guide grooves 173; three installation bases 2 are arranged on the workbench 1, each installation base 2 comprises a base plate component 22, a feeding end 23 is arranged at the rear end of each base plate component 22, a discharging end 24 is arranged at the front end of each base plate component 22, a material conveying channel 25 (shown in the attached drawing) is formed between each feeding end 23 and each discharging end 24, and three material conveying guide grooves 173 are in one-to-one correspondence with the material conveying channels 25.

Fig. 5 is a schematic diagram of a structural relationship of a movable contact strip in the prior art (only one of the small sections is illustrated), which mainly includes a continuous strip 4 ' on which a plurality of movable contacts 3 ' are integrally formed in sequence, one end of each movable contact is connected to the strip through a connecting portion, the other end of each movable contact is tilted upward relative to the strip, the strip is further provided with a plurality of through holes 5 ', the through holes are sequentially arranged in the length direction of the strip, and the through holes are symmetrically arranged on two sides of the strip; still be provided with a plurality of support bars 6' on the material strip main part, the support bar perpendicular to material strip surface sets up, when the movable contact material strip around rolling up, covers the parting strip above the material strip, around rolling up the completion back, the parting strip can be with separating the protection movable contact piece around two inside and outside material strips of roll back, and at this moment, the support bar can play the effect of support to the parting strip, forms certain chamber that holds between parting strip and the material strip, can supply the movable contact piece of upwarping to hold.

In the working process, the movable contact strip reel 174 is rotatably installed on the installation frame 17, the front ends of the separation strips are fixed on the winding disc 171, when the strip is cut, the strip main body is gradually separated from the separation strips, the strip main body is transmitted to the material transmission channel 25 along the material transmission guide groove 173, and after the winding motor 172 is started, the winding disc 171 is driven to rotate, so that the separation strips can be wound on the winding disc 171, and the effect of neatly containing the separation strips is achieved.

As shown in fig. 6-7, the mounting base 2 is provided with a cutter head device, a pusher device 5 and a material arranging device 6. The tool bit device sets up in the discharge end 24 of mount pad 2 for cut the separation and cut remaining waste material area into the segment with movable contact piece 3 'driven contact strip material, pusher gear 5 is used for advancing movable contact piece material area to discharge end 24 along mount pad 2, and material all in one piece device 6 sets up in the feed end 23 of mount pad 2, and material all in one piece device 6 is used for pushing flat movable contact piece material area on support bar 6', makes it flush in movable contact piece material area surface.

As shown in fig. 6 and 7, the cutter head device includes the blank cutter head assembly 3, the blank cutter head assembly 3 includes a driving cylinder 31, a linkage assembly, a mounting block 32 and a blade 33 fixedly mounted on the mounting block 32, the driving cylinder 31 is fixedly mounted on the lower surface of the substrate assembly 22 downward, the linkage assembly includes a Z-shaped rocker 34 and two linkage columns 35, the lower ends of the two linkage columns 35 are fixedly mounted on a linkage block 36, and the upper end of the substrate linkage column 35 penetrates out of the substrate assembly 22. The middle part of the rocker 34 is rotatably connected to the mounting seat 2, the driving cylinder 31 drives the rocker 34 to rotate relative to the mounting seat 2, one end of the rocker 34 is matched with a piston rod of the driving cylinder 31, and the other end of the rocker 34 is matched with the linkage block 36; the upper end of the linkage column 35 is fixedly connected to the mounting block 32, and the linkage column 35 is in sliding fit with the base plate assembly 22 along the vertical direction; when the driving cylinder 31 acts on one end of the rocker 34 to press down, the other end of the rocker 34 pushes the linkage block 36 to tilt up.

In an initial state, a piston rod of the driving cylinder 31 extends out and always abuts against the end of the rocker 34, so that the mounting block 32 drives the blade 33 to be in a lifting state; when the movable contact piece 3' is cut, the piston rod of the driving cylinder 31 retracts, the wane 34 loses the resisting effect of the piston rod, the mounting block 32 falls under the action of gravity and presses downwards at one end of the wane 34, so that the wane 34 rotates, and the other end (the end close to the driving cylinder 31) of the wane 34 upwarps, thus the rapid and accurate cutting process can be realized; when cutting is completed, the piston rod of the driving cylinder 31 is pushed out again, one end of the rocker 34 close to the piston rod of the driving cylinder 31 is pressed downwards, the other end of the rocker 34 is upwarped, meanwhile, the mounting block 32 is pushed to move upwards through the linkage block 36 and the linkage column 35, at the moment, the mounting block 32 can drive the blade 33 to lift, the movable contact strip moves forwards, the lifting of the mounting block 32 is realized through the lever principle of the rocker 34, the driving force required by the driving cylinder 31 is small, and therefore the cost can be reduced.

As shown in fig. 6 and 7, the cutter head assembly further includes a belt cutter head assembly 4, the belt cutter head assembly 4 includes a thrust cylinder 41, a linkage member 42 and a cutter 43, the linkage member 42 includes a rotating sleeve 421, and a first linkage arm 422 and a second linkage arm 423 which are arranged on a side wall of the rotating sleeve 421, the linkage member 42 is rotatably arranged on the mounting base 2 through the rotating sleeve 421, and the first linkage arm 422 is rotatably matched with a piston rod of the thrust cylinder 41; the belt cutting cutter head component 4 further comprises a push block component, the push block component comprises a push block 7, a hinge part 71 is arranged on the bottom surface of the push block 7, the hinge part 71 is in hinge fit with a second hinge arm 423, the second hinge arm 423 is provided with a hinge shaft, the hinge part 71 is provided with a waist-shaped hole into which the hinge shaft extends, and the hinge shaft rotates and is connected with the waist-shaped hole in a sliding manner; the cutters 43 are symmetrically arranged, the two cutters 43 are symmetrically arranged and are fixed on the pushing block 7, and the upper ends of the cutters 43 penetrate through and extend out of the base plate assembly 22. The workbench 1 is also provided with a waste box 18 at the discharge end 24, and when the material belt is cut into small sections, the small sections of the material belt fall into the waste box 18 to be collected.

In an initial state, a piston rod of the thrust cylinder 41 extends out to push the first linkage arm 422 to move forward, so that the rotating sleeve 421 rotates by taking the central shaft as a rotating shaft, meanwhile, the hinged shaft moves in the kidney-shaped hole to drive the second linkage arm 423 to move upwards, the pushing block 7 moves upwards, and at the moment, the cutter 43 is far away from the mounting seat 2; when cutting, the piston rod of the thrust cylinder 41 retracts to drive the linkage piece 42 to rotate reversely, so that the second linkage arm 423 moves downwards, the push block assembly drives the cutter 43 to move downwards, the cutting of the waste belt is realized, and the push block 7 drives the two cutters 43 to move simultaneously, so that the movement is stable, the synchronism is high, and the cutting effect is good. The cutting tape cutter head component 4 can cut the remaining material belt of the movable contact piece 3' back and cut in a segmented manner, if the remaining material belt is continuously conveyed forwards, then a messy waste material belt is easily formed, and the long-strip waste material belt is easily supported, so that the occupied space is large, after the long-strip waste material belt is cut into small sections by adopting the cutting tape cutter head component 4, the occupied space can be greatly reduced, a worker does not need to frequently manage, and time and labor are saved.

As shown in fig. 6 and 7, two guide posts 221 are disposed on the base plate assembly 22, a guide hole 72 for the guide post 221 to pass through is correspondingly formed on the pushing block 7, and when the pushing block 7 moves, the guide post 221 is slidably engaged with the guide hole 72. The guide post 221 is matched with the guide hole 72 in the up-and-down displacement process, so that the coaxiality of up-and-down movement of the guide post 221 is high, and the position is not easy to deviate.

As shown in fig. 6-8, the pushing device 5 includes a pushing cylinder 51 and a pushing base 52, the pushing base 52 is slidably disposed on the base plate assembly 22 through a sliding assembly, the sliding assembly is a sliding rail 53, a sliding slot 521 is correspondingly disposed on the pushing base 52, and the pushing cylinder 51 drives the pushing base 52 to slide relative to the mounting base 2; two pushing posts 54 are arranged downwards on the pushing seat 52, the pushing posts 54 correspond to the through holes 5' on the moving contact strip, and the bottom ends of the pushing posts 54 are provided with guide inclined planes 55; when the pushing column 54 moves backward relative to the tape, the pushing column 54 is disengaged from the through hole 5' by the guiding slope 55. The base plate component 22 is provided with a pressing component, the pressing component is arranged on two sides of the material conveying channel 25, the pressing component comprises a pressing block 222, the pressing block 222 is fixedly connected to the base plate component 22, and a gap for the movable contact strip to pass through is formed between the pressing block 222 and the base plate component 22. The two sides of the moving contact strip correspondingly extend into the gap, and the pressing block 222 can prevent the phenomena of jumping and position deviation in the moving process of the moving contact strip to a certain extent, so that the cutting process is kept at a high accuracy. The mounting block 32 of the blank cutter head component 3 is correspondingly positioned above the material pressing block 222 of the discharging end 24, and in the cutting process, the mounting block 32 is pressed downwards, and meanwhile, the material pressing block 222 is pressed downwards, so that the material belt is tightly pressed and fixed on the base plate component 22.

In the initial position, the lower end of the pushing column 54 is inserted into the through hole 5' of the material belt; in the forward pushing process of the material belt, the pushing cylinder 51 is started, the piston rod of the pushing cylinder 51 extends out to push the pushing seat 52, the pushing seat 52 is matched with the sliding component to move towards the discharging end 24, and the pushing column 54 can drive the material belt to move forward as the pushing column 54 is inserted into the through hole 5'; after the material belt is pushed for a proper distance, the pushing cylinder 51 drives the piston rod to retract and reset, the pushing seat 52 drives the pushing column 54 to reset, at this time, the blade 33 is just in a downward pressing and cutting state, and the mounting block 32 tightly presses and fixes the material belt on the substrate assembly 22, so that the lower end of the pushing column 54 is quickly separated from the through hole 5' under the guiding action of the guiding inclined plane 55, and thus, the material belt cannot be driven to move backwards when the pushing column 54 resets.

As shown in fig. 6 and 7, the material distributing device 6 includes a finger cylinder 61 disposed at the rear end of the substrate assembly 22, two piston rods of the finger cylinder 61 are respectively provided with a connecting block 62, two pushing blocks 63 are disposed on the two connecting blocks 62, the two pushing blocks 63 are disposed opposite to each other, and the finger cylinder 61 drives the pushing block 63 to translate relative to the mounting base 2 through the connecting blocks 62. Finger cylinder 61 starts, promotes two and pushes away flat 63 motion in opposite directions, when pushing away flat 63 translation, can push away flat to the level form with vertical support bar 6', prevents to cause the interference in advancing the in-process on the one hand, and on the other hand still can make the waste material area less through the shared volume when piling up after cutting.

When cutting, the movable contact piece material belt moves from the feeding end 23 to the discharging end 24 under the pushing action of the pushing device 5, when the front end of the movable contact piece material belt moves to the position below the cutter head device of the discharging end 24, the cutter head device is started, the connecting part between the movable contact piece 3 ' on the movable contact piece material belt and the material belt is cut, the movable contact piece 3 ' is separated from the material belt, and the cut movable contact piece 3 ' can be taken by the contact piece assembling manipulator 131 for assembling; at this time, in a state where the mounting block 32 is pressed down to press and position the tape, the pushing cylinder 51 drives the pushing base 52 to retreat and return, and then the mounting block 32 is lifted and returned. At feed end 23 department, material all in one piece device 6 promotes support strip 6 ' on the material area to the level form by vertical direction to the center, and this moment, originally the support strip 6 ' that plays the supporting role flushes with the upper surface in material area mutually, so, the antedisplacement of the material area is promoted to follow-up pusher jack 5 of being convenient for, can prevent to a certain extent that the in-process of advancing from forming the interference between pusher jack 5 and the support strip 6 ' of vertical state for it is more smooth and easy to pass in the pay-off process. So, the continuity of cutting, lapse, material all in one piece process is stronger, for manual cutting, has high-efficient, safe, reliable effect, and the movable contact spring 3' after cutting is not fragile, has higher qualification rate. In the whole cutting process, the continuity of the processes of feeding, cutting and flattening the supporting strip 6' is stronger, the automation degree is higher, and the cutting device has higher reliability and safety and is more convenient to operate compared with manual cutting.

As shown in fig. 3 and 10-12, the third station 14 includes an oiling module and a height detection mechanism; the oiling module comprises an oil storage plate 141, and a plurality of oiling pipes 142 are vertically arranged on the oil storage plate 141. The oil coating pipe 142 can vertically and downwardly coat the oil in the oil storage plate 141 into the sliding groove of the combination switch housing 1 ', so that the sliding block 2' is correspondingly installed in the sliding groove in the later process. The height detection mechanism comprises a CCD camera 143, a screw pair assembly 144 for driving the camera 143 to move, a contact piece positioning device and an alarm device, and the CCD camera 143 is electrically connected with the alarm device. Contact positioner is including being fixed in support 8 on workstation 1, be provided with locating component on the support 8, locating component is including locating plate 81, locate a plurality of locating pins 811 of locating plate 81, be provided with lifting unit on the locating plate 81, lifting unit includes lifter 812, shroud 813 and lift cylinder 814, lifter 812 tip fixed connection in locating plate 81, shroud 813, lift cylinder 814's piston rod fixed connection in shroud 813, lift cylinder 814 is installed on support 8.

When the height point of the movable contact piece 3 'is detected, the lifting cylinder 814 is started to drive the cover cap 813 to move downwards, the positioning plate 81 can be driven to move downwards under the linkage action of the lifting rod 812, meanwhile, the positioning pins 811 on the positioning plate 81 are driven to move downwards until the lower ends of the positioning pins 811 correspondingly abut against and position the movable contact piece 3', then, the camera 143 can detect the highest point and the lowest point of the movable contact piece 3 ', the position of the camera 143 can be moved through the screw pair component 144, and the camera 143 is enabled to correspond to the movable contact pieces 3' at different positions one by one. The camera 143 detects the height position of the movable contact piece, has higher accuracy, and the testing process is more convenient, can reduce whole process.

As shown in fig. 3 and 4, the fourth station 15 includes a slider assembling module and an unlocking mechanism, the slider assembling module includes an assembling manipulator 9, a slider waste box 19 is further disposed on the workbench 1, and the unlocking mechanism is also provided with an unlocking cylinder 161 fixedly mounted on the fixing plate 16.

The assembly method comprises the following steps:

s1, fixing the combined switch shell: manually and fixedly installing the combined switch shell in the shell fixing jig 111 at the first station 12, and driving the anti-jump rod 1112 to rotate by the rotary positioning cylinder 1111 to position the combined switch shell 1';

s2, fixing the sliding block: the unlocking cylinder 161 of the first station 12 pushes the push rod 116, so that the clamping block 113 is relatively far away from the slider fixing jig to unlock, four kinds of sliders are manually placed into the slider fixing jig 112 in the first station 12 manually, the unlocking cylinder 161 is reset, so that the clamping block 113 is reset, the slider is clamped and fixed by the clamping block 113 to the slider fixing jig, when the infrared receiver 122 receives an infrared signal, the rotating disc assembly 11 is controlled to rotate, and the fixing jig provided with the sliders and the shell rotates to the second station 13 along with the rotating disc;

s3, assembling the movable contact piece: the cutting mechanism respectively and automatically cuts the movable contact pieces on the three movable contact piece material tape reels, the three cut movable contact pieces are respectively grabbed and installed on corresponding sliding blocks one by the contact piece assembling mechanical arm 131, and the turntable assembly 11 drives the fixed jig to rotate from the second station 13 to the third station 14;

s4, oiling a combined switch shell: the combined switch shell is correspondingly positioned right below the oiling module, and the oiling component is used for oiling the inside of a sliding groove of a sliding block arranged at the bottom in the combined switch shell positioned right below;

s5, detecting the height of the movable contact piece: the sliding block provided with the movable contact piece corresponds to the CCD camera 143, the CCD camera 143 detects the installation height of the movable contact piece arranged on the sliding block, and when an unqualified movable contact piece is detected, the alarm device gives an alarm;

s6, assembling a sliding block: the turntable assembly 11 drives the fixed jig to rotate from the third station 14 to the fourth station 15, the unlocking cylinder 161 of the fourth station 15 is started to act on the clamping block 113 to realize unlocking, the assembling manipulator 9 assembles the sliding block qualified in the height detection of the movable contact piece in the previous step into the sliding chute of the combined switch shell, and automatically takes the unqualified sliding block detected in the previous step into the sliding block waste material box 19, and after the assembling is finished, the unlocking cylinder 161 resets to reset the clamping block 113;

s7, oiling and assembling the PCB: the turntable assembly 11 drives the fixing jig to rotate from the fourth station 15 to the first station 12, the PCB is manually oiled and then installed in the combined switch shell, the screws are manually locked for fixing, meanwhile, the wire harness is welded, and a finished product is taken out after assembly is completed;

the process of S1-S7 is circulated.

Therefore, the movable contact piece can be assembled and processed on four stations at the same time, the movable contact piece is assembled in place, and high-low detection is carried out on the movable contact piece in the assembling process, so that the rejection rate can be reduced. The automatic cutting, assembly, high low level testing process of accomplishing the movable contact spring to and the assembly process of fat liquoring process and slider and shell, have high-efficient, high qualification rate, the finished product is scrapped the volume and is low, the higher effect of degree of automation and assembly continuity are higher.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. The utility model provides an automatic kludge of movable contact spring of car combination switch, includes workstation (1), its characterized in that: a turntable assembly (11) is rotatably arranged on the workbench (1), four stations are arranged on the workbench (1) along the periphery of the turntable assembly (11), and the four stations comprise a first station (12), a second station (13), a third station (14) and a fourth station (15);

the turntable assembly (11) is provided with fixing jigs corresponding to the four stations, each fixing jig comprises a shell fixing jig (111) and a sliding block fixing jig (112), and each sliding block fixing jig (112) comprises a clamping mechanism for clamping a sliding block;

the second station (13) comprises a movable contact piece cutting module, and the movable contact piece cutting module comprises a mounting frame (17), a movable contact piece material belt reel (174) arranged on the mounting frame (17), a cutting mechanism and a contact piece assembling manipulator (131);

the third station (14) comprises an oiling module and a height detection mechanism;

the fourth station (15) comprises a sliding block assembly module which comprises an assembly manipulator (9);

the first station (12) and the fourth station (15) are both provided with unlocking mechanisms, and the unlocking mechanisms act on the clamping mechanisms to drive the clamping mechanisms to unlock.

2. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 1, is characterized in that: the clamping mechanism comprises a plurality of clamping blocks (113), the clamping blocks (113) are arranged on the sliding block fixing jig (112) in a sliding mode, sliding rods (114) penetrating through the sliding block fixing jig (112) are fixed on the sliding blocks, one ends, far away from the sliding blocks, of the sliding rods (114) are fixedly connected to the same connecting strip (115), push rods (116) are arranged on the connecting strip (115), the unlocking mechanism is arranged to be an unlocking cylinder (161), and the unlocking cylinder (161) is matched with the push rods (116) in a pushing mode; an extension spring (117) is sleeved on the push rod (116), and the extension spring (117) drives the connecting strip (115) to be away from the sliding block fixing jig (112), so that the clamping block (113) has a movement trend of clamping the sliding block fixing jig (112).

3. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 2, is characterized in that: the first station (12) is provided with an infrared sensing device, the infrared sensing device is electrically connected with the turntable assembly (11), and the infrared sensing device comprises a transmitter (121) and a receiver (122); the clamping block (113) is provided with through holes (1131) for infrared rays to pass through, and when the clamping block (113) clamps the sliding block, the infrared rays pass through the through holes (1131) to drive the turntable assembly (11) to move.

4. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 1, is characterized in that: the cutting mechanism comprises a mounting seat (2), wherein the mounting seat (2) is provided with a feeding end (23) and a discharging end (24), a material conveying channel (25) is formed between the feeding end (23) and the discharging end (24), a movable contact sheet material belt is arranged along the mounting seat (2) from the feeding end (23) to the discharging end (24), and the mounting seat (2) is provided with a movable contact sheet material belt

The tool bit device is arranged at the discharge end (24) of the mounting base (2) and is used for cutting and separating the movable contact piece from the movable contact piece material strip;

the pushing device (5) is used for pushing the moving contact sheet material belt to the discharging end (24) along the mounting seat (2); and

the material arranging device (6) is arranged at the feeding end (23) of the mounting seat (2), the material arranging device (6) comprises a finger cylinder (61), a connecting block (62) is arranged on a piston rod of the finger cylinder (61), a leveling block (63) is arranged on the connecting block (62), and the finger cylinder (61) is driven by the connecting block (62) to be opposite to the leveling block (63) in the translation of the mounting seat (2).

5. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 4, is characterized in that: the cutter head device comprises a cutting cutter head component (3), the cutting cutter head component (3) comprises a driving air cylinder (31), a linkage component, a mounting block (32) and a blade (33) fixedly mounted on the mounting block (32), the linkage component comprises a warped plate (34) and a linkage column (35), the middle part of the warped plate (34) is rotatably connected to the mounting seat (2), the driving air cylinder (31) drives the warped plate (34) to rotate relative to the mounting seat (2), one end of the warped plate (34) is matched with the driving air cylinder (31), and the other end of the warped plate (34) is matched with the linkage column (35); the linkage column (35) is fixedly connected to the mounting block (32), and the linkage column (35) is in sliding fit with the mounting seat (2) along the vertical direction;

when the driving cylinder (31) acts on one end of the rocker (34) to press down, the other end of the rocker (34) pushes the linkage column (35) to tilt up.

6. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 4, is characterized in that: the cutter head assembly comprises a belt cutting cutter head assembly (4), the belt cutting cutter head assembly (4) comprises a thrust cylinder (41), a linkage piece (42) and a cutter (43), the linkage piece (42) is rotatably arranged on the mounting seat (2), the linkage piece (42) comprises a first linkage arm (422) and a second linkage arm (423), and the first linkage arm (422) is in rotating fit with a piston rod of the thrust cylinder (41); the tape cutting tool bit assembly (4) further comprises a push block assembly, the cutter (43) is arranged on the push block assembly, and the second linkage arm (423) is hinged to the push block assembly; a waste box (18) positioned at the discharge end (24) is also arranged on the workbench (1);

when the thrust cylinder (41) drives the linkage piece (42) to rotate, the second linkage arm (423) drives the cutter (43) to move relative to the mounting seat (2) through the push block assembly.

7. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 4, is characterized in that: the pushing device (5) comprises a pushing cylinder (51) and a pushing seat (52), the pushing seat (52) is arranged on the mounting seat (2) in a sliding mode through a sliding assembly, and the pushing cylinder (51) drives the pushing seat (52) to slide relative to the mounting seat (2); a pushing column (54) is arranged on the pushing seat (52), and a guide inclined plane (55) is arranged at the bottom end of the pushing column (54).

8. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 1, is characterized in that: the oiling module comprises an oil storage plate (141), and a plurality of oiling pipes (142) are vertically arranged on the oil storage plate (141).

9. The automatic assembling machine for the movable contact spring of the automobile combination switch according to claim 1, is characterized in that: height detection mechanism is including camera (143), drive screw rod sub-assembly (144) and contact positioner of camera (143) displacement, contact positioner is including support (8), be provided with locating component on support (8), locating component is including locating plate (81), locates a plurality of locating pins (811) of locating plate (81), be provided with lifting unit on locating plate (81), lifting unit includes lifter (812), shroud (813) and lift cylinder (814), lifter (812) tip fixed connection in locating plate (81), shroud (813), the piston rod fixed connection of lift cylinder (814) in shroud (813), lift cylinder (814) install in on support (8).

10. An assembling method of an automatic assembling machine for a movable contact spring of an automobile combination switch is characterized by comprising the following steps: the method comprises the following steps:

s1, fixing the combined switch shell: manually fixing the combined switch shell in a shell fixing jig (111) at a first station (12);

s2, fixing the sliding block: the unlocking mechanism acts on the clamping mechanism, so that the clamping mechanism is relatively far away from the sliding block fixing jig (112) to unlock, a plurality of sliding blocks are manually placed into the sliding block fixing jig (112) at a first station (12) manually, the unlocking mechanism resets, the clamping mechanism clamps and fixes the sliding blocks to the sliding block fixing jig (112), and the fixing jig provided with the sliding blocks and the shell rotates to a second station (13) along with the rotary table;

s3, assembling the movable contact piece: the cutting mechanism automatically cuts the movable contact pieces on the movable contact piece material belt, the cut movable contact pieces are grabbed and installed on corresponding sliding blocks by a contact piece assembling manipulator (131), and the rotary table assembly (11) drives the fixed jig to rotate from the second station (13) to the third station (14);

s4, oiling a combined switch shell: the oil coating assembly is used for coating oil in a sliding groove (521) of a sliding block arranged at the bottom in the combined switch shell positioned right below;

s6, assembling a sliding block: the turntable assembly (11) drives the fixed jig to rotate from a third station (14) to a fourth station (15), the unlocking mechanism acts on the clamping mechanism to unlock, the assembling manipulator (9) assembles the qualified slide blocks detected in the high and low degrees in the previous step into a sliding chute (521) of the combined switch shell, the unqualified slide blocks detected in the previous step are automatically taken to a defective part storage area, and after the assembling is completed, the unlocking mechanism resets to enable the clamping mechanism to reset;

s7, oiling and assembling the PCB: the rotary disc assembly (11) drives the fixed jig to rotate from the fourth station (15) to the first station (12), the PCB is manually oiled and then installed in the combined switch shell, and a finished product is taken out after assembly is completed;

the process of S1-S7 is circulated.