CN114571224A

CN114571224A - Automatic assembly equipment of seat tray adjustment mechanism

Info

Publication number: CN114571224A
Application number: CN202210081659.9A
Authority: CN
Inventors: 王江林
Original assignee: Henglin Home Furnishings Co Ltd
Current assignee: Henglin Home Furnishings Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-03

Abstract

The invention discloses automatic assembly equipment of a seat tray adjusting mechanism, which comprises a threaded rod assembly device, a plastic sleeve assembly device, a spring assembly device, a plastic cover assembly device, a first tray conveying mechanism, a third assembly station, a fourth driving assembly, a sliding rail member forming a closed loop, a first feeding station, a fourth assembly station, a fifth assembly station, a sixth assembly station, a seventh assembly station and a first discharging station; a fourth assembly plate for placing a tray to be assembled is arranged in each of the first feeding station, the fourth assembly station, the fifth assembly station, the seventh assembly station and the first discharging station, and the fourth driving assembly drives the fourth assembly plate to move along the sliding rail piece, so that the fourth assembly plate on the sliding rail piece sequentially flows among the first feeding station, the fourth assembly station, the fifth assembly station, the seventh assembly station and the first discharging station; this technical scheme can realize seat tray adjustment mechanism's automatic assembly.

Description

Automatic assembly equipment of seat tray adjustment mechanism

Technical Field

The invention relates to the technical field of mechanical automation, in particular to automatic assembling equipment for a seat tray adjusting mechanism.

Background

In the case of existing office chairs and leisure chairs, the tilting function and the adjustment of the tilting are often realized through a seat tray.

Chinese patent publication No. CN201542121U discloses a double-locking tray for a chair, which comprises a chassis mounted on a swivel chair, the chassis is connected with a casing through a fulcrum, an adjusting nut is arranged in the casing, the lower end of the adjusting nut is connected with a spring, a movable seat is arranged in the casing, a conical tube is inserted in the movable seat, a conical fixing plate is arranged between the conical tube and the movable seat, the chassis, the side wall of the casing is penetrated with a rotatable and axially-moving adjusting rod, the inner end of the adjusting rod is inserted in the movable seat and connected with an adjusting plate which can contact a pneumatic rod, a limiting part is connected on the rod body of the adjusting rod, and one end of the limiting part is connected with a locking plate which can be buckled at the edge of the side wall of the chassis.

The seat tray in this patent document occupies a wide market share due to its structural excellence.

However, the seat tray is basically assembled by manpower at present, so that the assembly cost of the seat tray is increased, time and labor are wasted, and the efficiency is low.

For those skilled in the art, to complete the automatic assembly of the seat tray, the adjusting mechanism needs to be automatically assembled on the tray to be assembled, but there is no automatic assembling device for the adjusting mechanism.

Disclosure of Invention

In order to solve the above problems, the present invention is directed to overcome the above technical problems and provide an automatic assembling apparatus for a seat tray adjusting mechanism, so as to achieve automatic assembling of the seat tray adjusting mechanism.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic assembling device for a seat tray adjusting mechanism comprises a threaded rod, a pressure spring, a plastic sleeve, a plastic cover, an adjusting nut, a forming gasket and a flat gasket, wherein the pressure spring, the plastic sleeve, the plastic cover, the adjusting nut, the forming gasket and the flat gasket are sleeved on the threaded rod;

the automatic assembling equipment comprises a threaded rod assembling device, a plastic sleeve assembling device, a spring component assembling device, a plastic cover assembling device, a first tray conveying mechanism, a third assembling station, a fourth driving component, a sliding rail part forming a closed loop, a first feeding station, a fourth assembling station, a fifth assembling station, a sixth assembling station, a seventh assembling station and a first discharging station;

the screw rod assembling device assembles a screw rod on a tray to be assembled at a third assembling station, the tray to be assembled is conveyed to a first feeding station from the third assembling station by the first tray conveying mechanism, the plastic sleeve assembling device sleeves a plastic sleeve on the screw rod at a fourth assembling station, the spring assembly assembling device sleeves a pressure spring, a forming gasket and a flat gasket on the screw rod at a fifth assembling station, and the plastic cover assembling device is used for matching an adjusting nut in a plastic cover with the screw rod at a seventh assembling station; the third tray conveying mechanism conveys away the tray to be assembled in the first discharging station;

the fourth assembly plate is driven by the fourth driving assembly to move along the sliding rail piece, so that the fourth assembly plate on the sliding rail piece sequentially rotates among the first feeding station, the fourth assembly station, the fifth assembly station, the seventh assembly station and the first discharging station.

Preferably, the fourth driving assembly drives all the fourth mounting plates to slide on the sliding rail member through a chain, a synchronous belt or a steel wire rope.

Preferably, the fourth driving assembly comprises a fourth driving motor, a driving gear, a driven gear and a chain; the chain is a closed-loop chain and is in transmission connection with the driving gear and the driven gear, the fourth assembling plate is connected with the chain, and the fourth driving motor drives all the fourth assembling plates to move along the sliding rail piece by driving the chain to move.

Preferably, a first track forming a closed loop is arranged on the inner side wall of the sliding rail piece, and a second track forming a closed loop is arranged on the outer side wall of the sliding rail piece;

and two rollers are mounted on the fourth assembling plate, wherein one roller is used for rolling in the first rail, and the other roller is used for rolling in the second rail.

Preferably, a positioning assembly is further arranged beside the first feeding station, the fourth assembling station, the fifth assembling station, the seventh assembling station and/or the first discharging station, the positioning assembly comprises a third rotary driving piece and a sixth bracket, and the sixth bracket is rotatably provided with a first positioning piece;

a positioning groove is formed in the fourth assembling plate;

the third rotary driving piece drives the first positioning piece to rotate so as to be matched with the positioning groove in the fourth assembling plate.

Preferably, the positioning assembly further comprises a second rotating shaft and a connecting piece, the second rotating shaft is rotatably mounted on the sixth support, the connecting piece and the first positioning piece are mounted on the second rotating shaft, and the connecting piece is hinged to the movable end of the third rotating driving piece.

Preferably, the slide rail piece comprises a curved first slide rail section, a curved second slide rail section, a linear third slide rail section and a linear fourth slide rail section, two ends of the first slide rail section are respectively connected with one ends of the third slide rail section and the fourth slide rail section, two ends of the second slide rail section are respectively connected with the other ends of the third slide rail section and the fourth slide rail section, the first feeding station and the first discharging station are located on one side of the third slide rail section, and the fourth assembling station, the fifth assembling station and the seventh assembling station are located on one side of the fourth slide rail section.

Preferably, a sixth assembling station and a lubricating grease adding device are further arranged, the sixth assembling station is located between the fifth assembling station and the seventh assembling station, a fourth assembling plate is arranged in the sixth assembling station, and the fourth driving assembly drives the fourth assembling plate to move along the sliding rail piece, so that the fourth assembling plate on the sliding rail piece sequentially flows among the first feeding station, the fourth assembling station, the fifth assembling station, the sixth assembling station, the seventh assembling station and the first discharging station.

Preferably, a plurality of fourth positioning columns for placing the tray to be assembled are arranged on the fourth assembling plate;

the upper surface of the fourth assembling plate is obliquely arranged so that a fourth round hole in a movable seat in the tray to be assembled is vertical;

and a fourth mounting seat for propping a threaded rod in the tray to be assembled is fixedly mounted on the upper surface of the fourth assembling plate or integrally formed on the upper surface of the fourth assembling plate.

Preferably, the threaded rod assembling device comprises a second vibration feeding mechanism and a second assembling mechanism, the second vibration feeding mechanism is used for providing a threaded rod, the second assembling mechanism is located on one side of the third assembling station, the second assembling mechanism feeds the threaded rod on the second vibration feeding mechanism to the third assembling station, and the shaft end of the threaded rod can penetrate through a fourth round hole in the movable seat from bottom to top;

the plastic sleeve assembling device comprises a second vibration disc, a second feeding track, a third transfer mechanism and a second auxiliary frame, wherein the second vibration disc and the second feeding track are located on one side of a fourth assembling station, the second vibration disc is used for conveying a plastic sleeve to the second feeding track, the second auxiliary frame is located on the other side of the fourth assembling station, a second alignment component and a third alignment component are installed on the second auxiliary frame, the third alignment component is located above the second alignment component, the third transfer mechanism transfers the plastic sleeve located at the discharge port of the second vibration track to the second alignment component, the plastic sleeve is sleeved on the threaded rod in an empty mode, the threaded rod in the tray to be assembled is clamped by the second alignment component so that the threaded rod is vertically placed and then loosened, and the plastic sleeve on the second alignment component is clamped by the third alignment component so that the plastic sleeve is vertically placed and then loosened, thereby completing the assembly of the plastic sleeve;

the spring component assembling device comprises a sixth assembling mechanism, a third clamping mechanism, a fourth clamping mechanism, a first conveying rail, a pressure spring feeding mechanism, a forming gasket feeding mechanism and a flat gasket feeding mechanism, wherein the first conveying rail is sequentially provided with a first station, a second station, a third station and a fourth station, the fourth clamping mechanism comprises three seventh clamping components and a second driving piece for driving the three seventh clamping components to move, the pressure spring feeding mechanism vertically places the pressure spring on the first station, the forming gasket feeding mechanism places the forming gasket on the pressure spring in a flat mode at the second station, the flat gasket feeding mechanism places the flat gasket on the pressure spring and the forming gasket in a flat mode at the third station to form a spring component, and the three seventh clamping components respectively place the pressure spring on the first station, the pressure spring on the second station and the forming gasket, After the spring assembly on the third station is clamped, the second driving piece drives three seventh clamping assemblies to move, and the pressure spring on the first station, the pressure spring and the forming gasket on the second station and the spring assembly on the third station are respectively sent to the second station, the third station and the fourth station;

the plastic cover assembling device comprises a fifth feeding mechanism, a first driving mechanism, a fourth assembling mechanism and an assembling manipulator, wherein the fifth feeding mechanism is used for sending out the plastic cover with a downward opening, and the fourth assembling mechanism enables a threaded rod in the tray to be assembled to be vertical; the first driving mechanism drives the assembling manipulator to move, so that the assembling manipulator clamps the plastic cover on the fifth feeding mechanism and then is in threaded fit with the threaded rod, and the plastic cover is assembled on the to-be-assembled tray at the seventh assembling station.

The invention has the beneficial effects that: through the fourth assembly plate on the slide rail piece, the seat tray adjusting mechanism can be automatically assembled by sequentially moving the feed station, the fourth assembly station, the fifth assembly station, the sixth assembly station, the seventh assembly station and the discharge station.

Drawings

FIG. 1 is a schematic view of an automated production line for seat trays in an embodiment of the present application;

FIG. 2 is a schematic view of a locking mechanism assembly of an embodiment of the present application;

FIG. 3 is a first schematic view illustrating the assembly device of the locking mechanism in the first assembly station for assembling the torsion spring assembly and the connecting rod according to the embodiment of the present disclosure;

FIG. 4 is a second schematic view illustrating the assembly device for a locking mechanism in the embodiment of the present application, which is used for assembling the torsion spring assembly and the connecting rod at the first assembly station;

FIG. 5 is a schematic view of the toggle assembly and the second clamping assembly in an embodiment of the present application;

FIG. 6 is a schematic view of the locking mechanism assembling device assembling the torsion spring assembly and the connecting rod at the second assembling station in the embodiment of the present application;

FIG. 7 is a schematic view of an assembly adjustment mechanism in an embodiment of the present application;

FIG. 8 is a schematic structural view of a second tray conveying mechanism in the embodiment of the present application;

fig. 9 is a schematic structural view of a fourth mounting plate in the embodiment of the present application;

FIG. 10 is a schematic view of the threaded rod assembly apparatus of the present application assembling the threaded rod at a third assembly station;

fig. 11 is a schematic view illustrating the plastic sheath assembling apparatus of the embodiment of the present application assembling the plastic sheath at a fourth assembling station;

FIG. 12 is a schematic structural view of a third clamping mechanism in the embodiment of the present application;

FIG. 13 is a schematic structural diagram of a spring assembly assembling device in an embodiment of the present application (the third pinch mechanism is omitted);

FIG. 14 is a schematic view of a fourth assembly mechanism assembling a spring assembly at a fifth assembly station in an embodiment of the present application;

FIG. 15 is a schematic structural view of the plastic cap assembling apparatus according to the embodiment of the present application (one assembling robot is omitted);

FIG. 16 is a schematic structural view of an assembly robot according to an embodiment of the present application;

FIG. 17 is a schematic view of the clinch, alignment, reaming and assembly of the grip element of the present application in an embodiment;

FIG. 18 is a schematic view of an automatic clinching mechanism in an embodiment of the present application;

FIG. 19 is a schematic view of an automatic alignment mechanism in an embodiment of the present application;

FIG. 20 is a schematic view of an automatic reaming mechanism in an embodiment of the present application;

FIG. 21 is a schematic view of the handle attachment apparatus in the embodiment of the present application (the sixth feed mechanism is omitted);

fig. 22 is a schematic structural view of a first tray conveying mechanism in the embodiment of the present application;

fig. 23 is a schematic structural view of a third tray conveying mechanism in the embodiment of the present application;

fig. 24 is a schematic structural view of a fourth tray conveying mechanism in the embodiment of the present application;

fig. 25 is a schematic structural view of a fifth tray conveying mechanism in the embodiment of the present application;

FIG. 26 is an exploded view of a seat tray according to an embodiment of the present application;

FIG. 27 is a schematic view of a torsion spring assembly in an embodiment of the present application;

FIG. 28 is a schematic view of a handle member in an embodiment of the present application.

Description of reference numerals: 10. a first conveyor line; 11. a second conveyor line; 101. positioning blocks;

20. a first frame; 21. a first tray conveying mechanism; 210. a first sub-chassis; 2101. a first slide rail; 211. a first manipulator; 212. a second manipulator; 213. a third manipulator; 214. a fourth manipulator; 2120. a manipulator substrate A; 2121. a manipulator lifting driving piece; 2122. a manipulator rotation driving part; 2123. a pinch assembly; 2140. a manipulator substrate B; 2142. a second lifting drive member; 2143. a first mounting seat; 2144. a third lifting drive member; 2145. a fifth clamping assembly; 2146. a sixth clamping assembly; 215. a first drive motor;

22. a locking mechanism assembly device; 220. a first storage mechanism; 221. a first pinch mechanism; 222. a three-dimensional drive assembly; 2218. a first clamp drive; 223. a second clamping assembly; 2230. a second clamp drive; 2231. a second clamping member; 22310. a second clamping portion; 22311. a third clamping part; 22312. a second groove; 224. a first resisting component; 2242. a second movable drive member; 2243. a first stopper; 225. the component is stirred; 2251. a first movable driving member; 2252. a second bracket; 2253. a first rotary drive member; 2254. a third rotating base; 2255. a toggle piece; 22550. poking the notch;

230. a first feeding mechanism;

241. a first pushing assembly; 2410. a first pusher member; 2411. a fifth movable driving member; 242. a first receiving member; 2420. a first receiving member; 2421. a first receiving drive member; 24201. a first receiving groove; 24202. a second receiving groove; 245. a third support; 243. a first alignment assembly; 2430. a first alignment rod; 2431. a fourth movable drive member; 244. a fourth bracket; 2441. aligning the slideway;

250. a first rivet pressing motor; 251. a first rotating force head; 252. a sixth movable driving member; 253. a second top member;

26. a first assembly station; 261. a first bracket; 262. a first bracket; 263. a first spring;

27. a second assembly station;

30. a second frame; 301. a first feed station; 302. a fourth assembly station; 303. a fifth assembly station; 304. a sixth assembly station; 305. a seventh assembly station; 306. a first discharge station;

31. a third assembly station; 310. a fifth support; 311. a first assembly plate; 3111. a first avoidance portion; 313. a first rotating shaft;

320. a fourth assembly plate; 321. a fourth positioning column; 322. a fourth mounting seat; 323. positioning a groove; 324. a roller;

33. a second tray conveying mechanism; 331. a slide rail member; 3311. a first slide rail segment; 3312. a second slide rail section; 3313. a third slide rail section; 3314. a fourth slide rail section; 3302. a driving gear; 3303. a driven gear; 3304. a chain; 3316. a second track; 3321. a sixth support; 3322. a second rotating shaft; 3323. a first positioning member; 3324. a connecting member; 3325. a third rotary drive member;

34. a third tray conveying mechanism; 341. a seventh sub-frame; 342. a fifth manipulator; 343. a seventh drive motor; 3410. a seventh slide rail;

35. a threaded rod assembly device; 350. a second vibration feeding mechanism; 3510. a fourth clamping member; 352. a first linear motion drive; 353. a second linear motion drive; 354. an eighth rotary drive member; 355. a ninth rotary drive member;

36. a plastic sleeve assembling device; 360. a second vibratory pan; 361. a second vibratory feed track; 362. a third transfer mechanism; 3621. a two-dimensional second drive assembly; 3622. a first transfer assembly; 363. a third assembly mechanism; 3631. a second alignment assembly; 3632. a second subframe; 3633. a third alignment assembly;

37. a spring assembly device; 370. a third frame; 371. a third pinch mechanism; 372. a sixth assembly mechanism; 373. a pressure spring feeding mechanism; 374. a molded gasket feeding mechanism; 375. a flat gasket feeding mechanism; 3710. a two-dimensional third drive assembly; 3711. a first rotary drive member; 3712. a tenth clamping assembly; 37121. a tenth clamping drive member; 37122. a tenth clamping member; 37123. a third alignment rod; 376. a fourth pinch mechanism; 3760. a first conveying rail; 3761. a seventh clamping assembly; 3762. a second driving member;

38. a plastic cap assembly device; 380. a first drive mechanism; 3801. a fifth drive motor; 3802. moving the plate; 3803. a fifth sub-frame; 3804. a fifth slide rail; 3805. a fifth slider; 381. assembling a mechanical arm; 3811. a base; 38121. a lifting motor; 38122. a guide post; 3813. an eleventh clamp assembly; 38131. an eleventh clamp drive; 38132. an eleventh clamp; 3814. a fourth alignment rod; 38151. a rotating electric machine; 38152. a third rotating shaft; 38153. a sleeve; 38154. rotating the head; 38155. a first spring member; 38156. a coupling; 382. a fourth assembly mechanism; 3820. a fourth sub-frame; 3821. a fourth alignment assembly; 38211. a fourth alignment drive; 38212. a fourth alignment member; 383. a sixth vibratory pan;

39. a grease adding device;

4. an automatic riveting mechanism; 44. a second turntable; 46. a fifth assembly plate; 47. a second feed station; 48. a riveting station; 49. a second discharge station; 41. a second press riveting motor;

5. an automatic alignment mechanism; 511. a seventh movable driving member; 512. a fifth mounting seat; 513. aligning the driving piece; 514. an alignment rod;

6. an automatic reaming mechanism; 61. a third turntable; 611. a third feed station; 612. reaming a station; 613. a third discharge station; 614. cleaning a station; 62. a sweeping assembly; 63. a fifth rotating electric machine; 64. a seventh assembly plate; 65. a reaming motor; 66. a reamer; 621. a blowing nozzle; 622. cleaning a driving piece; 623. cleaning the bracket;

7. a handle assembly device; 71. a sixth feeding mechanism; 72. an eighth assembly mechanism; 720. an eighth movable driving member; 721. an eighth receiving member; 723. a second stopper; 724. a fifth alignment drive; 725. a fifth alignment member; 7211. a positioning groove; 7212. a second through hole; 726. a second ejector rod;

90. a fourth frame; 91. a fourth tray conveying mechanism; 910. an eighth sub-frame; 911. a sixth manipulator; 912. a seventh manipulator; 913. an eighth drive motor; 9100. an eighth slide rail;

92. a fifth tray conveying mechanism; 920. a ninth sub-frame; 921. an eighth manipulator; 922. a ninth manipulator; 923. a ninth drive motor; 9200. a ninth slide rail;

93. an eighth assembly station;

94. a ninth assembly station;

8. a seat tray; 80. a chassis; 800. a first circular hole; 801. a first long hole; 802. a second circular hole; 81. a movable seat; 810. a third circular hole; 811. a fourth circular hole; 82. a tapered tube; 83. adjusting a rod; 831. a first rod portion; 832. a second rod portion; 84. a handle member; 841. a handle bottom wall; 842. a handle side wall; 843. a handle mounting hole; 85. a shifting sheet; 86. a connecting rod; 87. a torsion spring assembly; 870. connecting blocks; 8700. a first connection portion; 8701. a second connecting portion; 8702. a third connecting portion; 8703. a first through hole; 8704. a first clamping hole; 8705. a second clamping hole; 8706. a sleeve portion; 88. an adjustment mechanism; 880. a threaded rod; 881. a pressure spring; 882. a plastic sheath; 883. a plastic cover; 885. forming a gasket; 886. and (7) a flat gasket.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing the present application and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, unless otherwise indicated, "a plurality" means two or more unless explicitly defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the present application, "assembly" means that the parts are detachably mounted on the tray to be assembled, and "assembly" means that the parts are fixedly mounted on the tray to be assembled.

The first embodiment is as follows:

a seat tray 8 as shown in fig. 26, which comprises a chassis 80, a movable seat 81, a tapered tube 82, an adjusting rod 83, a handle member 84, a shifting piece 85, a locking mechanism for controlling the lifting of the seat and an adjusting mechanism 88 for adjusting the tilting tension of the seat, wherein the locking mechanism comprises a torsion spring assembly 87 and a connecting rod 86, the torsion spring assembly 87 comprises a fixedly connected connecting block and a first torsion spring, the movable seat 81 is hinged with the chassis 80 through the connecting rod 86, the connecting block is sleeved on the connecting rod 86 in a hollow way, the torsion spring is fixedly connected with the connecting block and can generate acting force on the tapered tube 82, and the adjusting mechanism 88 comprises a threaded rod 880, and a pressure spring 881, a plastic sleeve 882, a plastic cover 883, an adjusting nut 8831, a forming gasket 885 and a flat gasket 886 which are sleeved on the threaded rod;

it should be noted that the mounting structure and the position structure between the components of the seat tray 8 in the present embodiment and the components of the seat tray 8 in the background art are substantially the same, and therefore, the mounting relationship and the position relationship between the components of the seat tray 8 are not described in detail here.

It should be noted here that a worker needs to firstly pass one end of the adjusting rod 83, which is used for installing the handle member 84, through the first long hole 801 from inside to outside, and make the adjusting rod 83 be located at the top end of the first long hole 801, then push the adjusting rod 83 to make the adjusting rod 83 move axially, and further make the other end of the adjusting rod 83 pass through the first round hole 800 from inside to outside, and finally place the movable seat 81 at a designated position on the chassis 80, thereby completing the assembly of the tray to be assembled; that is, in the embodiment of the present application, the tray to be assembled means that the assembly of the chassis 80, the movable seat 81 and the tapered tube 82 is completed, and the assembly of the locking mechanism, the adjusting mechanism 88 and the handle piece is also completed, that is, the assembly of the connecting rod 86, the torsion spring assembly 87, the threaded rod 880, the plastic sleeve 882 and the spring assembly is also completed, and then the handle piece is assembled at the handle end of the adjusting rod through the threaded fit of the adjusting nut 8831 in the plastic cover 883 and the threaded rod 880; thereby completing the assembly of the entire seat tray.

And, assembling the threaded rod 880 on the tray to be assembled means that the threaded rod 880 is located in the fourth round hole 811 on the movable seat 81 and is substantially vertical;

and, assembling the plastic sleeve 882 on the tray to be assembled means that the plastic sleeve 882 is sleeved on the threaded rod 880 empty;

and, the spring assembly includes a compression spring 881, and a formed washer 885 on the compression spring 881, and a flat washer 886 on the formed washer 885, assembling the spring assembly on the tray to be assembled means that the compression spring 881 is loosely fitted over the threaded rod 880, and the formed washer 885 is fitted over the threaded rod 880, and the flat washer 886 is fitted over the threaded rod 880.

As shown in fig. 1, 2, 7 and 17, an automatic production line for seat trays includes a main frame, a first conveyor line 10, a locking mechanism assembling device 22, a threaded rod assembling device 35, a plastic sleeve assembling device 36, a spring assembly assembling device 37, a grease adding device 39, a plastic cover assembling device 38, an automatic rivet pressing mechanism 4, an automatic aligning mechanism 5, an automatic reaming mechanism 6, a handle assembling device 7, a first tray conveying mechanism 21, a second tray conveying mechanism 33, a third tray conveying mechanism 34, a fourth tray conveying mechanism 91, a fifth tray conveying mechanism 92 and a second conveyor line 11;

the main frame includes a first frame 20, a second frame 30, a third frame 370, and a fourth frame 90; the locking mechanism assembling device 22, the threaded rod assembling device 35 and the first tray conveying mechanism 21 are located at the first rack 20, the plastic sleeve assembling device 36, the spring assembly assembling device 37, the plastic cover assembling device 38, the second tray conveying mechanism 33 and the third tray conveying mechanism 34 are located at the second rack 30, part of the spring assembly assembling device 37 is located at the third rack 370, and the automatic press-riveting mechanism 4, the automatic aligning mechanism 5, the automatic reaming mechanism 6, the handle assembling device 7, the fourth tray conveying mechanism 91 and the fifth tray conveying mechanism 92 are located at the fourth rack 90.

A first assembly station 26, a second assembly station 27 and a third assembly station 31 are arranged on the first frame 20; the locking mechanism assembling device 22 assembles the torsion spring assembly 87 and the connecting rod 86 on the tray to be assembled at the first assembling station 26, assembles the torsion spring assembly 87 and the connecting rod 86 on the tray to be assembled at the second assembling station 27, and assembles the threaded rod 880 on the tray to be assembled at the third assembling station 31 by the threaded rod assembling device 35.

A first feeding station 301, a fourth assembling station 302, a fifth assembling station 303, a sixth assembling station 304, a seventh assembling station 305 and a first discharging station 306 are arranged on the second frame 30; the plastic bush assembling apparatus 36 hollows the plastic bush 882 on the threaded rod 880 at the fourth assembling station 302, the spring assembly assembling apparatus 37 sleeves the pressure spring 881, the molding washer 885 and the flat washer 886 on the threaded rod 880 at the fifth assembling station 303, the grease adding apparatus 39 adds grease to the threaded rod 880 at the sixth assembling station 304, and the plastic cap assembling apparatus 38 threadedly engages the adjusting nut in the plastic cap 883 with the threaded rod 880 at the seventh assembling station 305.

An eighth assembly station 93 and a ninth assembly station 94 are arranged on the fourth frame 90, the eighth assembly station 93 is located between the automatic riveting mechanism 4 and the automatic reaming mechanism 6, and the automatic aligning mechanism 5 enables the torsion spring assembly 87 to be located in the middle of the connecting rod 86 at the eighth assembly station 93; the handle assembly device 7 sleeves the handle piece 84 on the adjusting rod 83 at a ninth assembly station 94, the automatic press-riveting mechanism 4 is used for press-riveting the shaft end of the threaded rod 880, and the automatic reaming mechanism 6 is used for reaming the tapered tube 82.

In this application embodiment, as shown in fig. 1 and fig. 2, first transfer chain 10 includes the conveyer frame and installs conveyer belt, first sensor and the conveying motor in the conveyer frame, it has multirow locating piece 101 to distribute along the moving direction of conveyer belt on the conveyer belt, forms the station of placing that is used for placing the tray that waits to assemble between two adjacent rows of locating pieces 101, conveying motor is used for driving the conveyer belt and removes in order to drive the tray that waits to assemble and remove along the conveyer belt, first sensor is used for detecting whether the tray that waits to assemble carries to target in place.

In the embodiment of the present application, as shown in fig. 22, the first tray conveying mechanism 21 includes a first subframe 210 fixedly mounted on the first frame 20, and a first robot 211, a second robot 212, a third robot 213, a fourth robot 214, and a first driving motor 215 mounted on the first subframe 210, a first slide rail 2101 is provided on the first subframe 210, and the first driving motor 215 drives the first robot 211, the second robot 212, the third robot 213, and the fourth robot 214 to move along the first slide rail 2101, so that the first robot 211 sends the tray to be assembled on the first conveying line 10 to the first assembling station 26, and the second robot 212 sends the tray to be assembled from the first assembling station 26 to the second assembling station 27; and causes the third robot arm 213 to feed the tray to be assembled from the second assembling station 27 to the third assembling station 31, and causes the fourth robot arm 214 to feed the tray to be assembled from the third assembling station 31 to the first feeding station 301.

In the embodiment of the present application, each of the first, second and third manipulators 211, 212 and 213 includes a manipulator base a2120 slidably mounted on the first subframe 210, a manipulator lift driving element 2121 mounted on the manipulator base a2120, and a pinch assembly 2123 mounted on the movable end of the manipulator lift driving element 2121 for clamping the tray to be assembled;

further preferably, the second robot 212 and the third robot 213 further comprise a robot rotation driving element 2122, the robot rotation driving element 2122 is mounted at the movable end of the robot elevation driving element 2121, and the pinch assembly 2123 is mounted at the movable end of the robot rotation driving element 2122;

wherein the second robot 212 rotates the tray to be assembled so that the handle end of the adjusting lever 83 in the tray to be assembled positioned at the second assembling station 27 is positioned at the left or right side of the second assembling station 27;

the third robot arm 213 rotates the to-be-assembled tray so that the handle end of the adjusting lever 83 in the to-be-assembled tray located at the third assembling station 31 is located at the front or rear side of the third assembling station 31.

In the embodiment of the present application, the fourth robot 214 includes a robot base plate B2140 slidably mounted on the first subframe 210, and a second lifting driving part 2142 mounted on the robot base plate B2140; and a first mounting seat 2143 arranged at the movable end of the second lifting driving member 2142, the first mounting seat 2143 is provided with a third lifting driving member 2144 and a fifth clamping component 2145 for clamping the tray to be assembled, and the movable end of the third lifting driving member 2144 is further provided with a sixth clamping component 2146 for clamping the threaded rod 880.

In the embodiment of the present application, as shown in fig. 2, the locking mechanism assembling device 22 includes a first feeding mechanism 230, a first storing mechanism 220, a first clamping mechanism 221, a three-dimensional driving assembly 222, a second clamping assembly 223, a first assembling mechanism and a first press-riveting mechanism; the first storage mechanism 220 is positioned on one side of the first frame 20 and stores a plurality of torsion spring assemblies 87, the first clamping mechanism 221 is installed on the first frame 20 and is used for conveying the torsion spring assemblies 87 from the first storage mechanism 220 to the second clamping assembly 223, and the second clamping assembly 223 is installed at the moving end of the three-dimensional driving assembly 222 and can be driven by the three-dimensional driving assembly 222 to convey the torsion spring assemblies 87 to the installation positions in the trays to be assembled on the first assembling station 26;

as shown in fig. 3 and 4, the first assembly mechanism includes a third bracket 245, a fourth bracket 244, a first pushing assembly 241 and a first receiving assembly 242, the third bracket 245 is fixedly mounted on the first frame 20, the first receiving assembly 242 is mounted on the third bracket 245, the fourth bracket 244 is slidably mounted on the first frame 20, the first pushing assembly 241 includes a first pushing member 2410 and a fifth moving driving member 2411, the fifth moving driving member 2411 is mounted on the third bracket 245, the first pushing member 2410 is mounted on the fourth bracket 244, the first receiving assembly 242 includes a first receiving driving member 2411 and two first receiving members 2420 for receiving the connecting rod 86, the two receiving members are located between the first pushing member 2410 and the first assembly station 26, the first receiving driving member 2421 is used for driving the first receiving member 2420 to move and make the first receiving member 2420 have a first stop position for receiving the connecting rod 86, and a second rest position for allowing the first pusher member 2410 to have a space for forward and backward movement; when the two bearing pieces are located at the second stop position, the fifth movable driving piece 2411 drives the first pushing piece 2410 to push the connecting rod 86 to move to the first assembling station 26, and the connecting rod 86 and the torsion spring assembly 87 are assembled to the tray to be assembled at the first assembling station 26 by sequentially passing through the second round hole 802 at one side of the chassis 80, the third round hole 810 at one side of the movable seat 81, the through hole on the torsion spring assembly 87, the third round hole 810 at the other side of the movable seat 81 and the second round hole 802 at the other side of the chassis 80;

as shown in fig. 6, the first rivet pressing mechanism includes a sixth movable driving member 252 and a second top pressing member 253 which are positioned at the left side of the second assembling station 27, and a first rivet pressing motor 250 and a first rotating force head 251 which are positioned at the right side of the second assembling station 27; the sixth moving driving member 252 drives the second tightening member 253 to move towards the second assembling station 27 so as to tighten the cap end of the connecting rod 86, and the first rivet pressing motor 250 drives the first rotating head 251 to rivet the shaft end of the connecting rod 86; and then the torsion spring assembly 87 and the connecting rod 86 are assembled on the tray to be assembled at the second assembling station 27.

In the present embodiment, the first assembly mechanism is further provided with a first alignment assembly 243 mounted on the fourth support 244, the first alignment assembly 243 including a first alignment rod 2430 and a fourth movable drive 2431, the first alignment rod 2430 and the first pusher 2410 being located on opposite sides of the first assembly station 26;

when the two first receiving parts 2420 are located at the first stop position, the fourth moving driving part 2431 drives the first alignment rod 2430 to move towards the first pushing part 2410 and sequentially pass through the second round hole 802 on one side of the chassis 80, the third round hole 810 on one side of the movable seat 81, the through hole on the torsion spring assembly 87, the third round hole 810 on the other side of the movable seat 81 and the second round hole 802 on the other side of the chassis 80, and then are inserted into the connecting rod 86, so that the cap end of the connecting rod 86 moves onto the first pushing part 2410.

This is so arranged because of the special structure of the connecting rod 86, when the connecting rod 86 is in the horizontal state with the forward end of the shaft, it is unable to directly push the connecting rod 86 to move forward, so the connecting rod 86 is clamped and the connecting rod 86 is disengaged from the first adaptor 2420 by the cooperation of the first pushing component 241 and the first aligning component 243, then the first adaptor 2420 moves to the second stop position so that the first pushing component 2410 has a space to move forward, and then the connecting rod 86 is accurately assembled to the tray to be assembled by the cooperation of the first pushing component 241 and the first aligning component 243.

Further preferably, the first receiving part 2420 is provided with a first receiving protrusion and a second receiving protrusion, the first receiving protrusion is located in front of the second receiving protrusion, the first receiving driving part 2421 drives the two first receiving parts 2420 to move to the first stop position in a mutually approaching manner, the first receiving protrusions on the two first receiving parts 2420 cooperatively form a first receiving groove 24201 for receiving the rod part of the connecting rod 86, and the second receiving protrusions on the two first receiving parts 2420 cooperatively form a second receiving groove 24202 for receiving the cap end and/or the rod part of the connecting rod 86; the shaft portion of the connecting rod 86 refers to a portion between the cap end of the connecting rod 86 and the shaft end of the connecting rod 86.

It should be noted that, as for the transmission structure of the first receiving driving element 2421 driving the two first receiving elements 2420 to move towards or away from each other, reference may be made to the transmission structure of the clamping mechanism in the prior art, which is not described in detail herein;

and the movement of the two first supports 2420 towards or away from each other may be a linear movement towards or away from each other on a horizontal plane, a linear movement towards or away from each other during a rotation on a horizontal plane, or a linear movement towards or away from each other during a rotation on a vertical plane, respectively.

Further preferably, the pushing member is provided with a bearing hole, and the bearing hole is matched with the cap end of the connecting rod 86; this arrangement allows the first alignment rod 2430 to push the cap end of the connecting rod 86 into the receiving bore.

Further preferably, a tapered hole is formed at the shaft end of the connecting rod 86, the tapered hole and the connecting rod 86 are distributed coaxially, and the rear end of the first alignment rod 2430 is a tapered body matched with the tapered hole; with the arrangement, the first alignment rod 2430 and the connecting rod 86 can be conveniently inserted; in addition, the tapered holes can also facilitate subsequent riveting of the shaft ends of the connecting rods 86.

Preferably, the first alignment assembly 243 further includes an alignment block fixedly mounted on the fourth support 244, the alignment block and the first pushing member 2410 are respectively located at two opposite sides of the first assembling station 26, the alignment block is provided with a circular hole-shaped alignment slide 2441, and the first alignment rod 2430 is mounted on the alignment slide 2441 in a manner of sliding back and forth; in this way, when the tray to be assembled is located at the first assembling station 26, it can be further ensured that the first aligning bar 2430 can be precisely aligned with the second round hole 802 and the third round hole 810 on the tray to be assembled.

In an embodiment of the present invention, as shown in fig. 27, the torsion spring assembly 87 includes a connecting block 870 and a first torsion spring mounted on the connecting block 870, the connecting block 870 includes a first connecting portion 8700, a second connecting portion 8701, and a third connecting portion 8702, the first connecting portion 8700 and the third connecting portion 8702 are respectively located at two sides of the second connecting portion 8701, the second connecting portion 8701 is provided with a sleeve portion 8706, the through hole is located in the sleeve portion 8706, and the first torsion spring is mounted on the sleeve portion 8706 in a sleeved manner;

the two ends of the first torsion spring are respectively an end A and an end B, and are respectively positioned on the upper side and the lower side of the third connecting portion 8702, and the third connecting portion 8702 can limit the end A of the first torsion spring to rotate upwards.

In the embodiment of the present application, as shown in fig. 3 and 5, the locking mechanism assembling device 22 further includes a toggle component 225 for toggling the end B of the first torsion spring to the second connecting portion 8701 and a first blocking component 224 for blocking the end B of the first torsion spring from being reset, the toggle component 225 is mounted on the first frame 20 and located at one side of the three-dimensional driving component 222, and the first blocking component 224 is mounted on the three-dimensional driving component 222.

It is worth noting here that the three-dimensional driving assembly 222 means that the moving end thereof can move in three dimensions of up and down, left and right, and back and forth, and the three-dimensional driving assembly 222 is conventional in the art and will not be described in detail here.

In the embodiment of the present invention, the second clamping assembly 223 includes a second clamping driving member 2230 and two second clamping members 2231 mounted on the three-dimensional driving assembly 222, the second clamping member 2231 is provided with a second clamping portion 22310 and a third clamping portion 22311, the connecting block 870 is provided with a first clamping hole 8704 and a second clamping hole 8705, the first clamping hole 8704 and the second clamping hole 8705 are respectively located on the first connecting portion 8700 and the third connecting portion 8702, when the second clamping driving member 2230 drives the two second clamping members 2231 to approach each other, the second clamping portions 22310 of the two second clamping members 2231 respectively extend into the first clamping holes 8704 from both ends of the first clamping hole 8704, and the third clamping portions 22311 of the two second clamping members 2231 respectively extend into the second clamping holes 8705 from both ends of the second clamping hole 8705, so as to clamp the torsion spring assembly 87.

In this way, by clamping different positions on the connecting block 870, the interface between the first clamping mechanism 221 and the second clamping assembly 223 is achieved.

Further preferably, the second clamping pieces 22312 are further provided with second grooves 22312, the second grooves 22312 are arc grooves, and when the two second clamping pieces 2231 clamp the torsion spring assembly 87, the two second grooves 22312 are respectively located on the left and right sides of the first through hole 8703 on the connecting block 870, so that the two first clamping pieces on the fifth manipulator 342 can move conveniently; and facilitates the subsequent process of passing the connecting rod 86 through the first through hole 8703 of the connecting block 870.

In the embodiment of the present invention, the toggle assembly 225 includes a first moving driving member 2251 and a second support 2252, the second support 2252 is mounted with a first rotating driving member 2253, a third rotating seat 2254 and a toggle member 2255, the third rotating seat 2254 is coaxially mounted on the extension shaft of the first rotating driving member 2253, the toggle member 2255 is eccentrically mounted on the third rotating seat 2254, the first moving driving member 2251 is configured to reciprocate in the front-back direction by driving the second support 2252 to enable the toggle member 2255 to move above the torsion spring assembly 87, and the first rotating driving member 2253 is configured to enable the toggle member 2255 to toggle the B-end of the first torsion spring to the first connection 8700 by driving the third rotating seat 2254 to rotate.

In an embodiment of the present invention, the toggling part 2255 is further provided with a toggling notch 22550, the width of the toggling notch 22550 is smaller than the width of the first torsion spring, the first blocking component 224 includes a second moving driving part 2242 and a first blocking part 2243, the first blocking part 2243 is located between the two second clamping parts 2231, and the second moving driving part 2242 is configured to drive the first blocking part 2243 to reciprocate linearly in a direction away from or close to the torsion spring component 87, wherein when the toggling part 2255 toggles the B end of the first torsion spring to the first connection part 8700, the second moving driving part 2242 drives the first blocking part 2243 to extend into the notch 22550, and can prevent the B end of the first torsion spring from resetting.

Like this, through stirring the common cooperation of subassembly 225 and first subassembly 224 of keeping out, can avoid torsional spring subassembly 87 when waiting to assemble the tray removal, the scraping takes place for the B end of first torsional spring and waiting to assemble the tray to and avoid the B end of first torsional spring owing to touch the condition that waiting to assemble the tray and take place the fracture.

Preferably, the first blocking member 2243 further includes a blocking portion for blocking the end B of the first torsion spring, the blocking portion is located at the outer end of the first blocking member 2243, the length of the blocking portion is greater than the distance between the axial line of the first circular hole 800 and the axial line of the second circular hole 802, and the upper end surface of the blocking portion does not exceed the center of the first through hole 8703 of the connecting block 870; the arrangement is to avoid the collision of the first stopper 2243 with the adjusting rod 83 and the shifting piece 85 in the process of smoothly feeding the torsion spring assembly 87 into the tray to be assembled and enabling the first through hole 8703 of the connecting block 870 and the second circular hole 802 to be coaxially distributed.

In the embodiment of the present invention, as shown in fig. 3 and fig. 4, a first bracket 261 is arranged on the first assembly station 26, the first bracket 261 is mounted on the first assembly station 26 in a manner that the first bracket 261 can move up and down, the first spring 263 is sleeved on the first bracket 261 and can provide an upward acting force for the first bracket 261, a first bracket 262 is arranged at the top end of the first bracket 261, and when the tray to be assembled is mounted on the first assembly station 26 through the cooperation of the positioning hole and the first positioning column, the first bracket 262 can hold the adjustment rod 83 and make the adjustment rod 83 be located at the top end of the first long hole 801; with such arrangement, in consideration of the fact that the adjusting rod 83 may be separated from the first circular hole 800 in the tray to be assembled, and the adjusting rod 83 is caused to fall into the bottom end of the first long hole 801, and the third circular hole 810 on the movable seat 81 and the second circular hole 802 on the chassis 80 are not distributed coaxially, the adjusting rod 83 can be ensured to be located at the top end of the first long hole 801 through the first bracket 261, so that the other end of the adjusting rod 83 can be aligned to the first circular hole 800, and the other end of the adjusting rod 83 can be pushed to penetrate through the first circular hole 800 in the subsequent process, so that the shifting piece 85 is abutted against the side wall of the movable seat 81; meanwhile, the movable seat 81 can be lifted, so that the third round hole 810 on the movable seat 81 and the second round hole 802 on the chassis 80 are distributed coaxially.

Still be equipped with the tight subassembly in first top of installing on first frame 20, the tight subassembly in first top is located the rear of first assembly station 26, first top tight subassembly includes third removal driving piece and first top tight piece, works as treat that the assembly tray passes through when the cooperation of locating hole and first locating column is installed on first assembly station 26, the third removes the first tight piece in top of driving and moves forward and then promote regulation pole 83, and it offsets with the lateral wall of sliding seat 81 until plectrum 85.

In the present embodiment, as shown in fig. 10, the threaded rod assembling device 35 includes a second vibrating feeder 350, and a second assembling mechanism mounted on the first frame 20, the second assembling mechanism is located at one side of the third assembling station 31, the fourth robot 212 is located above the third assembling station 31, and the second vibrating feeder 350 is used for providing a threaded rod 880;

the third assembling station 31 includes a first assembling plate 311, a second rotary driving member and a first rotary shaft 313, the first assembling plate 311 is rotatably mounted on the first frame 20 through the first rotary shaft 313, the second rotary driving member drives the first assembling plate 311 to rotate and enables the first assembling plate 311 to have a horizontal first stop position and an inclined second stop position;

when the first assembling plate 311 is located at the inclined second staying position, the fourth round hole 811 on the movable seat 81 in the tray to be assembled is vertical; the second assembly mechanism can feed the threaded rod 880 on the feeding component to the position below the first assembly plate 311, and then the threaded rod passes through the fourth round hole 811 from bottom to top; the fourth robot 212 can grip a portion of the threaded rod 880 located above the fourth circular hole 811.

Further preferably, the second assembly mechanism comprises a fourth clamping assembly, a first linear moving driving element 352 and a second linear moving driving element 353, the first linear moving driving element 352 is vertically installed on the first frame 20, the second linear moving driving element 353 is horizontally installed at the movable end of the first linear moving driving element 352, and the fourth clamping assembly is installed at the movable end of the second linear moving driving element 353;

the fourth clamp assembly comprises a fourth clamp drive and two fourth clamp pieces 3510; the fourth clamp drive drives the two fourth clamp members 3510 toward and away from each other to clamp or unclamp the threaded rod 880.

The second assembly mechanism further includes an eighth rotary driving member 354 and a ninth rotary driving member 355, the eighth rotary driving member 354 is installed at the movable end of the first linear moving driving member 352, the second linear moving driving member 353 is horizontally installed on the eighth rotary driving member 354, the ninth rotary driving member 355 is installed at the movable end of the second linear moving driving member 353, and the fourth clamping assembly is installed on the ninth rotary driving member 355.

In the embodiment of the present application, as shown in fig. 8, the second tray conveying mechanism 33 includes a fourth driving component, a sliding rail member 331 forming a closed loop, and a plurality of fourth assembling plates 320 for placing trays to be assembled, some or all of the plurality of fourth assembling plates 320 are respectively distributed on the first feeding station 301, the fourth assembling station 302, the fifth assembling station 303, the sixth assembling station 304, the seventh assembling station 305, and the first discharging station 306, and the fourth driving component drives the plurality of fourth assembling plates 320 to move along the sliding rail member 331 so that all the fourth assembling plates 320 are sequentially moved between the first feeding station 301, the fourth assembling station 302, the fifth assembling station 303, the sixth assembling station 304, the seventh assembling station 305, and the first discharging station 306.

In the embodiment of the present application, the fourth driving assembly may drive the fourth mounting plates 320 to slide on the sliding rail member 331 through a chain, a synchronous belt, or a steel cable; further preferably, the fourth driving assembly comprises a fourth driving motor, a driving gear 3302, a driven gear 3303 and a chain 3304; the chain 3304 is a closed chain 3304 and is in transmission connection with the driving gear 3302 and the driven gear 3303; the driving gear 3302 and the driven gear 3303 are mounted on the second frame 30 and are respectively located at the front end and the rear end of the slide rail member 331, so as to open the chain 3304, the fourth assembly plate 320 is connected to the chain 3304, and the fourth driving motor drives all the fourth assembly plates 320 to move along the slide rail member 331 by driving the chain 3304.

Further preferably, a first track forming a closed loop is arranged on the inner side wall of the sliding rail member 331, and a second track 3316 forming a closed loop is arranged on the outer side wall of the sliding rail member 331;

as shown in fig. 9, the fourth mounting plate 320 is mounted with two rollers 324, the two rollers 324 are respectively located at the inner and outer sides of the slide rail member 331, one of the rollers 324 is adapted to roll in the first track, and the other roller 324 is adapted to roll in the second track 3316.

In this embodiment, the second frame 30 is further provided with two positioning assemblies, the two positioning assemblies are respectively located at two sides of the sliding rail member 331, and the positioning assemblies include at least one third rotary driving member 3325 and at least two sixth supports 3321 mounted on the second frame 30, at least one second rotary shaft 3322 rotatably mounted on the sixth supports 3321, and a plurality of first positioning members 3323 fixedly mounted on the second rotary shaft 3322;

a positioning groove 323 is formed in the fourth assembling plate 320;

the third rotary driving member 3325 drives the second rotary shaft 3322 to rotate so that the first positioning members 3323 can be respectively engaged with the positioning grooves 323 of the fourth mounting plates 320 located on the same side.

Preferably, the device is further provided with a plurality of connecting pieces 3324 which are sleeved on the second rotating shaft 3322 and fixedly connected with the second rotating shaft 3322, the third rotating driving piece 3325 is a cylinder, and the lower end of each connecting piece 3324 is hinged with the movable end of the third rotating driving piece 3325;

or, the third rotary driving member 3325 is an air cylinder, and the lower end of the positioning member is hinged to the movable end of the third rotary driving member 3325.

In the embodiment of the present application, as shown in fig. 9, a plurality of fourth positioning columns 321 for placing a tray to be assembled are disposed on the fourth assembling plate 320;

the upper surface of the fourth assembling plate 320 is obliquely arranged so that a fourth round hole 811 on the movable seat 81 in the tray to be assembled is vertical;

a fourth mounting seat 322 for propping against a threaded rod 880 in the tray to be assembled is fixedly mounted or integrally formed on the upper surface of the fourth assembling plate 320; the upper surface of the fourth mounting seat 322 is horizontal, and a mounting hole matched with the cap end of the threaded hole in shape is formed in the upper surface of the fourth mounting seat 322; when the tray to be mounted is positioned on the fourth mounting plate 320, the cap end of the threaded rod 880 is positioned in the mounting hole. In this way, threaded rod 880 can be secured in a substantially upright position.

In the embodiment of the present application, as shown in fig. 11, the plastic sleeve assembling apparatus 36 includes a second vibration tray 360, a second feeding track, a third transfer mechanism 362 and a third assembling mechanism 363, the third transfer mechanism 362 and the third assembling mechanism 363 are mounted on the second frame 30, and the third assembling mechanism 363 is located inside the sliding rail member 331; the second vibration disk 360 and the second feeding track are positioned on one side of the second frame 30, and the second vibration disk 360 is used for feeding the plastic sleeve 882 to the second feeding track in a state that the first bottom wall is downward;

the third assembly mechanism 363 comprises a second subframe 3632 and a second alignment assembly 3631 on the second subframe 3632, wherein the second alignment assembly 3631 is used for enabling the threaded rod 880 in the tray to be assembled to be vertical; the third transfer mechanism 362 transfers the plastic sleeve 882 at the discharge port of the second vibration track to the second alignment assembly 3631, and the plastic sleeve 882 is sleeved on the threaded rod 880 in an empty way; the second alignment assembly 3631 loosens the threaded rod 880 and allows the plastic sleeve 882 to drop onto the tray to be assembled to complete the assembly of the plastic sleeve 882.

The second alignment assembly 3631 includes a second alignment drive and two second alignment members that drive the two second alignment members toward or away from each other during rotation to clamp or unclamp the threaded rod 880.

It is further preferred that opposite sides of the two second alignment members are provided with a vertical semi-circular slot, which cooperate to form a circular hole for making the threaded rod 880 vertical when the second alignment driving member drives the two second alignment members to approach each other.

In the embodiment of the present application, a third alignment assembly 3633 is further provided, and the third alignment assembly 3633 is located above the second alignment assembly 3631;

wherein the third alignment assembly 3633 is used to keep the plastic sleeve 882 upright when the plastic sleeve 882 is positioned on the second alignment assembly 3631.

It is further preferred that the third alignment assembly 3633 includes a third alignment driver and two third alignment members, the third alignment driver driving the two third alignment members to move toward or away from each other during rotation to clamp or unclamp the plastic sleeve 882.

In the present embodiment, the third transfer mechanism 362 includes a two-dimensional second driving assembly 3621, and a first transfer assembly 3622 mounted on the two-dimensional second driving assembly 3621, the transfer assembly includes a transfer driving member and at least two transfer members, the two-dimensional second driving assembly 3621 drives the at least two transfer members to extend into the plastic sleeve 882, the transfer driving member drives the at least two transfer members away from each other to pick up the plastic sleeve 882, and drives the at least two transfer members closer to each other to release the plastic sleeve 882; the two-dimensional second driving assembly 3621 drives the first transferring assembly 3622 to move so as to transfer the plastic sleeve 882 at the discharge port of the second vibration track onto the second alignment assembly 3631.

It is further preferred that the opposing faces of the two transfer elements are each provided with a recess, which cooperate to form a channel capable of receiving the threaded rod 880 when the two transfer elements are brought closer together.

In the embodiment of the present application, as shown in fig. 12 and 13, the spring assembly assembling device 37 includes a sixth assembling mechanism 372 and a third clamping mechanism 371 mounted on the second frame 30, a fourth clamping mechanism 376 and a first conveying rail 3760 mounted on the third frame 370, and a compressed spring feeding mechanism 373, a formed gasket feeding mechanism 374 and a flat gasket feeding mechanism 375 located on one side of the third frame 370;

a first station, a second station, a third station and a fourth station are sequentially arranged on the first conveying rail 3760, the fourth clamping mechanism 376 comprises a first conveying rail 3760, three seventh clamping assemblies 3761 and a second driving element 3762 for driving the three seventh clamping assemblies 3761 to move, the pressure spring 881 is vertically placed on the first station by the pressure spring feeding mechanism 373, the forming gasket feeding mechanism 374 horizontally places the forming gasket 885 on the pressure spring 881 at the second station, and the flat gasket feeding mechanism 375 horizontally places the flat gasket 886 on the pressure spring 881 and the forming gasket 885 at the third station so as to form a spring assembly;

after the three seventh clamping assemblies 3761 respectively clamp the pressure spring 881 positioned on the first station, the pressure spring 881 and the forming gasket 885 positioned on the second station, and the spring assemblies positioned on the third station, the second driving member 3762 drives the three seventh clamping assemblies 3761 to move, and the pressure spring 881 positioned on the first station, the pressure spring 881 and the forming gasket 885 positioned on the second station, and the spring assemblies positioned on the third station are respectively sent to the second station, the third station, and the fourth station;

the sixth assembling mechanism 372 is located on the inner side of the sliding rail member 331, and the sixth assembling mechanism 372 is used for enabling a threaded rod 880 on the tray to be assembled to be vertical and enabling a plastic sleeve 882 on the tray to be assembled to be vertical, so that the third clamping and conveying mechanism 371 can clamp and convey the spring assembly located on the fourth station to the tray to be assembled, and the spring assembly is located in the plastic sleeve 882 and is sleeved on the threaded rod 880.

In the embodiment of the present application, as shown in fig. 12, the third clamping mechanism 371 includes a two-dimensional third driving component 3710, a first rotary driving component 3711 and a tenth clamping component 3712, the two-dimensional third driving component 3710 is mounted on the second frame 30, the first rotary driving component 3711 is mounted at the bottom end of the two-dimensional third driving component 3710 and can drive the tenth clamping component 3712 to rotate; after the tenth clamping assembly 3712 clamps the spring assembly, the two-dimensional third driving assembly 3710 drives the tenth clamping assembly 3712 to move left and right and up and down so as to assemble the spring assembly on the tray to be assembled, and the spring assembly is coaxially distributed with the threaded rod 880 and the plastic sleeve 882.

In the embodiment of the present application, the sixth assembling mechanism 372 also includes a second alignment assembly 3631 and a third alignment assembly 3633, but is different from the third assembling mechanism 363 in that the second alignment assembly 3631 is located above the third alignment assembly 3633.

In the present embodiment, the grease adding device 39 is located between the spring assembly assembling device 37 and the plastic cover assembling device 38.

In the embodiment of the present application, as shown in fig. 14, 15 and 16, the plastic cover assembling apparatus 38 includes two fifth feeding mechanisms located at both sides of the second frame 30 for feeding out the plastic covers 883 with the openings facing downward, and a first driving mechanism 380, a fourth assembling mechanism 382 and two assembling robots 381 mounted on the second frame 30, the fourth assembling mechanism 382 makes the threaded rods 880 in the trays to be assembled vertical;

the first driving mechanism 380 drives the two assembly robots 381 to move: one of the assembly robots 381 mounts the plastic cover 883 of the fifth feed mechanism on one side to the tray to be assembled at the seventh assembly station 305, and the other assembly robot 381 mounts the plastic cover 883 of the fifth feed mechanism on the other side to the tray to be assembled at the seventh assembly station 305.

So set up because in the assembly process of adjustment mechanism 88, plastic cover 883 need through rotate adjusting nut in order with threaded rod 880 screw-thread fit, and the time consuming is far greater than the equipment of threaded rod 880, plastic sheath 882 and spring unit spare, thereby saves the time that material and feeding were grabbed by assembly manipulator 381 through setting up two assembly manipulators 381 to improve the assembly efficiency of whole adjustment mechanism 88.

Further preferably, the first driving mechanism 380 includes a fifth driving motor 3801 and a fifth sub-frame 3803, the fifth driving motor 3801 is installed on the fifth sub-frame 3803, a fifth sliding rail 3804 and a fifth sliding plate are arranged on the fifth sub-frame 3803, the fifth sliding plate is in sliding fit with the fifth sliding rail 3804, and both the assembly manipulators 381 are fixedly connected with the fifth sliding plate; the first driving mechanism 380 drives the fifth sliding plate to move and enables the fifth sliding plate to have a first stop position and a second stop position, when the sliding plate is located at the first stop position, the left assembling mechanical arm 381 in the two assembling mechanical arms 381 grabs the plastic cover 883 on the fifth feeding mechanism, and the right assembling mechanical arm 381 in the two assembling mechanical arms 381 is in threaded fit with the threaded rod 880 through the adjusting nut so as to assemble the plastic cover 883 on the tray to be assembled; when the slide plate is located at the second stop position, the right assembly robot 381 grabs the plastic cover 883 on the other fifth feeding mechanism, and the left assembly robot 381 threadedly engages with the threaded rod 880 through the adjusting nut to assemble the plastic cover 883 on the other tray to be assembled.

In the embodiment of the present application, as shown in fig. 16, the assembling robot 381 includes a base 3811, a fourth alignment rod 3814, a lifting drive assembly, a rotation drive assembly, and an eleventh clamping assembly 3813 for clamping the plastic cover 883, the base 3811 is mounted on the first drive mechanism 380, the rotation drive assembly is mounted on the base 3811, the eleventh clamping assembly 3813 is mounted on the rotation drive assembly, and the fourth alignment rod 3814 is mounted on the eleventh clamping assembly 3813 or the rotation drive assembly in an axially movable manner.

Further preferably, the rotary driving assembly includes a rotary motor 38151, a third rotating shaft 38152 and a sleeve 38153, the rotary motor 38151 is fixedly mounted on the base 3811, one end of the third rotating shaft 38152 is connected to an output shaft of the rotary motor 38151 through a coupling 38156, the sleeve 38153 is sleeved on the other end of the third rotating shaft 38152 and can move axially along the third rotating shaft 38152, the sleeve 38153 and the third rotating shaft 38152 are circumferentially fixed, and the eleventh clamping assembly 3813 is fixedly connected to the sleeve 38153. This is because the plastic cover 883 is displaced in the up-down direction during the screw-coupling of the adjustment nut with the screw rod 880, and thus the up-down movement of the plastic cover 883 can be compensated for by the coupling between the sleeve 38153 and the third rotation shaft 38152.

Further preferably, a rotating head 38154 and a first spring element 38155 are further provided, the rotating head 38154 and the first spring element 38155 are sleeved on the third rotating shaft 38152, the rotating head 38154 is fixedly connected with the base 3811, and two ends of the first spring element 38155 are fixedly connected with the rotating head 38154 and the sleeve 38153, respectively.

Further preferably, at least one axially extending sliding groove is formed in the third rotating shaft 38152, at least one limiting member is disposed on an inner side wall of the sleeve 38153, and the limiting member is in sliding fit with the sliding groove.

In the present embodiment, an elastic buffer is further provided, and the elastic buffer is installed between the fourth alignment rod 3814 and the third rotation shaft 38152 so as to avoid the rigid contact between the fourth alignment rod 3814 and the threaded rod 880; at the same time, it is also possible to compensate for the difference in displacement during the assembly of the plastic cover 883. Of course, in other embodiments, the elastomeric cushion can also be mounted between the fourth alignment rod 3814 and the eleventh clamping set;

in this embodiment, the lifting driving assembly includes a lifting motor 38121, a first screw rod, a first transmission block and a plurality of guide posts 38122, the base 3811 is installed on the moving plate 3802 in the first driving mechanism 380 in an up-and-down lifting manner through the plurality of guide posts 38122, the first transmission block is fixedly connected with the base 3811 and is in transmission fit with the first screw rod, and the lifting motor 38121 drives the first screw rod to rotate, so that the base 3811 is lifted up and down.

In the present embodiment, the eleventh clamping assembly 3813 includes an eleventh clamping driving member 38131 and at least two eleventh clamping members 38132 which are uniformly distributed circumferentially, and the eleventh clamping driving member 38131 drives the at least two eleventh clamping members 38132 to move toward or away from each other so as to clamp or release the plastic cover 883.

In the embodiment of the present application, as shown in fig. 18, the automatic press riveting mechanism 4 includes a second press riveting motor 41, a second press riveting power head, a second rotary table 44 and a second rotary motor 38151 which are mounted on the main frame, the second rotary table 44 is sequentially provided with a second feeding station 47, a press riveting station 48 and a second discharging station 49, fifth assembling plates 46 are respectively provided in the second feeding station 47, the press riveting station 48 and the second discharging station 49, the second press riveting motor 41 drives the second press riveting power head to rotate so as to press rivet the shaft end of the threaded rod 880 at the press riveting station 48, and the second rotary motor 38151 drives the second rotary table 44 to rotate so that the fifth assembling plates 46 on the second rotary table 44 are rotated among the second feeding station 47, the press riveting station 48 and the second discharging station 49;

as shown in fig. 23, the third tray conveying mechanism 34 includes a seventh sub-frame 341 fixedly mounted on the main frame, and a fifth robot 342 and a seventh driving motor 343 mounted on the seventh sub-frame 341, a seventh slide rail 3410 is provided on the seventh sub-frame 341, and the seventh driving motor 343 drives the fifth robot 342 to move along the seventh slide rail 3410, so that the fifth robot 342 sends the tray to be assembled from the first discharging station 306 to the second feeding station 47.

In the embodiment of the present application, as shown in fig. 19, the automatic aligning mechanism 5 includes a seventh movable driving element 511, a fifth mounting seat 512, an aligning driving element 513 and two aligning rods 514, the fifth mounting seat 512 is mounted on a moving end of the seventh movable driving element 511, the aligning driving element 513 is fixedly connected to the fifth mounting seat 512, the seventh movable driving element 511 drives the fifth mounting seat 512 to move so that the two aligning rods 514 can extend into the tray to be assembled on the eighth assembling station 93, and the aligning driving element drives the two aligning rods 514 to approach each other so as to drive the torsion spring assembly 87 to move to the middle position of the connecting rod 86.

It should be noted that the eighth assembly station 93 has the same structure as the third assembly station 31, wherein when the two alignment rods 514 extend into the tray to be assembled on the eighth assembly station 93, the tray to be assembled is horizontally placed.

In the embodiment of the present application, as shown in fig. 20, the automatic reaming mechanism 6 includes a third turntable 61, a cleaning assembly 62, a reaming assembly and a fifth rotating motor 63 which are mounted on the main frame, the third turntable 61 is sequentially provided with a third feeding station 611, a reaming station 612, a third discharging station 613 and a cleaning station 614, the third feeding station 611, the reaming station 612, the third discharging station 613 and the cleaning station 614 are respectively provided with a seventh assembling plate 64 for placing the tray to be assembled, and the reaming assembly performs reaming operation on the tapered tube 82 in the tray to be assembled at the reaming station 612; the cleaning assembly 62 cleans the seventh assembling plate 64 at the cleaning station 614, and the fifth rotating motor 63 drives the third rotating disc 61 to rotate, so that the fifth assembling plates 46 on the third rotating disc 61 circulate among the third feeding station 611, the reaming station 612, the third discharging station 613 and the cleaning station 614;

as shown in fig. 24, the fourth tray conveying mechanism 91 includes an eighth sub-frame 910 fixedly mounted on the main frame, and a sixth manipulator 911, a seventh manipulator 912 and an eighth driving motor 913 mounted on the eighth sub-frame 910, an eighth slide rail 9100 is provided on the eighth sub-frame 910, and the eighth driving motor 913 drives the sixth manipulator 911 and the seventh manipulator 912 to move along the eighth slide rail 9100, so that the sixth manipulator 911 feeds the tray to be assembled from the second discharging station 49 to the automatic alignment mechanism 5; and causes the seventh robot 912 to feed the tray to be assembled from the automatic aligning mechanism 5 to the third feeding station 611.

In the embodiment of the present application, as shown in fig. 27, the handle member 84 includes a handle bottom wall 841 and a handle side wall 842 formed integrally, and the handle side wall 842 is provided with a handle mounting hole 843 which is in interference fit with the handle end of the adjusting lever 83;

as shown in fig. 21, the adjusting lever 83 includes a first lever portion 831 and a second lever portion 832 which are integrally bent, the first lever portion 831 is installed on the tray to be assembled, and the handle end of the adjusting lever 83 is located at the outer end of the second lever portion 832.

In the embodiment of the present application, as shown in fig. 21, the handle assembling device 7 includes a sixth feeding mechanism 71 and an eighth assembling mechanism 72, the eighth assembling mechanism 72 includes an eighth moving driving member 720, an eighth receiving member 721, a second abutting member 723, a fifth aligning driving member 724, and two fifth aligning members 725, the eighth receiving member 721 is slidably mounted on the fifth frame, the second abutting member 723 and the eighth receiving member 721 are respectively located on opposite sides of the adjusting rod 83, the second abutting member 723 is used for abutting against the first rod 831, the fifth aligning driving member 724 drives the two fifth aligning members 725 to approach or separate from each other so as to clamp or release the second rod 832, and can make the handle end of the adjusting rod 83 face the eighth receiving member 721 when clamping the second rod 832, the eighth receiving member 721 is used for receiving the handle member 84 fed by the sixth feeding mechanism 71 and can make the handle mounting hole 843 on the handle member 84 align with the handle end of the adjusting rod 83, the eighth movable driving member 720 drives the eighth adapting member 721 to reciprocate and enables the handle member 84 to be sleeved on the handle end of the adjusting rod 83; this is so arranged because the grip member 84 is mainly mounted on the adjustment lever 83 by interference-fitting the grip mounting hole 843 with the grip end of the adjustment lever 83, that is, the fitting accuracy between the mounting hole and the grip end of the adjustment lever 83 is very high, and therefore, the positional accuracy of the adjustment lever 83 is ensured by the fifth alignment member 3821, and the positional accuracy of the grip member 84 is ensured by the positioning groove 7211 fitting with the grip member 84.

Preferably, a second abutting driving element is further provided, the second abutting element 723 is slidably mounted on the fifth frame, and the second abutting driving element drives the second abutting element 723 to reciprocate and can abut against the first rod 831.

Preferably, the eighth receiver 721 is provided with a positioning groove 7211 for receiving the handle member 84, the positioning groove 7211 is opened at one side to allow the handle member 84 to be fitted over the handle end of the adjustment lever 83, and a side wall of the positioning groove 7211 is engaged with the handle side wall 842 of the handle member 84 to allow the handle mounting hole 843 to face the handle end of the adjustment lever 83.

Preferably, an ejection assembly mounted on the fifth frame is further provided, the ejection assembly includes an ejection driving member and a first ejection rod, a second through hole 7212 is formed in the bottom wall of the positioning groove 7211, and the first ejection driving member is configured to drive the first ejection rod to move up and down along the second through hole 7212 so as to eject the handle member 84 out of the positioning groove 7211; this is because, when the eighth receiver 721 pushes the handle 84 to be fitted over the handle end of the adjustment lever 83, the handle 84 is clamped in the positioning groove 7211 due to the large pushing force, and in consideration of the position relationship of the handle 84, the clamping force of the seat tray 8 by the tray conveying mechanism alone is not enough to separate the handle 84 from the positioning groove 7211, but the seat tray 8 falls off from the tray conveying mechanism, so that the handle 84 is ejected by providing the first eject lever.

As shown in fig. 25, the fifth tray conveying mechanism 92 includes a ninth sub-frame 920 fixedly mounted on the fourth frame 90, and an eighth robot 921, a ninth robot 922 and a ninth driving motor 923 mounted on the ninth sub-frame 920, the ninth sub-frame 920 is provided with a ninth slide rail 9200, and the ninth driving motor 923 drives the eighth robot 921 and the ninth robot 922 to move along the ninth slide rail 9200, so that the eighth robot 921 delivers the tray to be assembled from the automatic reaming mechanism 6 to the handle assembling device 7; and causes the ninth manipulator 922 to transfer the pallet to be assembled from the handle assembly device 7 onto the second conveyor line 11.

Here, it should be noted that the fifth robot 342, the sixth robot 911, the seventh robot 912, the eighth robot 921, and the ninth robot 922 have the same configuration as the first robot 211; and will not be described in detail herein.

In the present embodiment, the second conveyor line 11 performs the conveyance of the seat tray 8 by a conveyor belt, a roller, or an inclined conveyor rail.

An automatic assembly method of a seat tray 8; the method comprises the following specific steps:

s1, assembling the torsion spring assembly 87 and the connecting rod 86 on the tray to be assembled by the locking mechanism assembling device 22 at the first assembling station 26;

s2, the locking mechanism assembling device 22 assembles the torsion spring assembly 87 and the connecting rod 86 on the tray to be assembled at the second assembling station 27;

s3, assembling the threaded rod 880 on the tray to be assembled by the threaded rod assembling device 35 at the third assembling station 31;

s4, the plastic sleeve assembling device 36 hollowly sleeves the plastic sleeve 882 on the threaded rod 880 at the fourth assembling station 302;

s5, the spring assembly assembling device 37 sleeves the pressure spring 881, the forming washer 885 and the flat washer 886 on the threaded rod 880 at the fifth assembling station 303;

s6, the plastic lid assembly device 38 threadably engages the threaded rod 880 with the adjustment nut of the plastic lid 883 at the seventh assembly station 305;

s7, the handle assembly device 7 sleeves the handle piece 84 on the adjusting rod 83 at the ninth assembly station 94.

Further preferably, the specific steps of assembling the connecting rod 86 on the tray to be assembled in S1 are as follows:

the method comprises the following steps: the first feeding mechanism 230 places the connecting rod 86 flat on the first bolster 2420 at the first resting position;

step two: the fourth movable driving member 2431 drives the first alignment rod 2430 to sequentially pass through the second round hole 802 on one side of the chassis 80, the third round hole 810 on one side of the movable seat 81, the first through hole 8703 on the torsion spring assembly 87, the third round hole 810 on the other side of the movable seat 81 and the second round hole 802 on the other side of the chassis 80, and then the first alignment rod 2430 is inserted into the connecting rod 86, so that the cap end of the connecting rod 86 moves to the first pushing member 2410;

step three: the first receiving driving part 2421 drives the first receiving part 2420 to move to the second stopping position;

step four: fifth movement drive 2411 drives first pusher 2410 to move connecting rod 86 toward first assembly station 26; and the connecting rod 86 sequentially passes through the second round hole 802 on one side of the chassis 80, the third round hole 810 on one side of the movable seat 81, the first through hole 8703 on the torsion spring assembly 87, the third round hole 810 on the other side of the movable seat 81 and the second round hole 802 on the other side of the chassis 80, and then the connecting rod 86 is assembled on the tray to be assembled.

Further preferably, the specific steps of assembling the torsion spring assembly 87 on the tray to be assembled in S1 are as follows:

the method comprises the following steps: the first clamping mechanism 221 clamps the torsion spring assembly 87 to the second clamping assembly 223, and enables the first connecting portion 8700 to face the first assembling station 26;

step two: the end B of the first torsion spring is pulled to the second connection part 8701 by the pulling part 2255, the first stopper 2243 moves above the first torsion spring to prevent the end B of the first torsion spring from returning, and then the pulling part 2255 returns to the initial position;

step three: the three-dimensional driving component 222 drives the torsion spring component 87 to move towards the first assembling station 26, and sends the torsion spring component 87 to the mounting position in the tray to be assembled;

step four: fifth movement drive 2411 drives first pusher 2410 to move connecting rod 86 toward first assembly station 26; and the connecting rod 86 sequentially passes through the second round hole 802 on one side of the chassis 80, the third round hole 810 on one side of the movable seat 81, the first through hole 8703 on the torsion spring assembly 87, the third round hole 810 on the other side of the movable seat 81 and the second round hole 802 on the other side of the chassis 80, and then the torsion spring assembly 87 is assembled on the tray to be assembled.

Further preferably, the specific process of assembling the torsion spring assembly 87 and the connecting rod 86 on the tray to be assembled in S2 is as follows:

the sixth moving driving member 252 drives the second tightening member 253 to move toward the second assembling station 27 to tighten the cap end of the connecting rod 86, and the first caulking motor 250 drives the first rotating head 251 to caulk the shaft end of the connecting rod 86.

Further preferably, the specific process of assembling the threaded rod 880 to the tray to be assembled in S3 is as follows:

when the first assembling plate 311 is at the second stop position, the second assembling mechanism sends the threaded rod 880 to the lower side of the first assembling plate 311, and then passes through the fourth round hole 811 from bottom to top.

Further preferably, the specific steps of sleeving the plastic sleeve 882 on the threaded rod 880 in S4 are as follows:

step one, the second alignment driving piece drives the two second alignment pieces to approach each other so that a threaded rod 880 in the tray to be assembled is vertical;

step two, the plastic sleeve 882 feeding mechanism feeds the plastic sleeve 882 with a downward opening onto two second alignment members, and the plastic sleeve 882 is sleeved on the threaded rod 880 in an empty way;

step three, the third alignment driving piece drives the two third alignment pieces to approach each other so that the plastic sleeve 882 is vertical;

step four, the second alignment driving member drives the two second alignment members away from each other to loosen the threaded rod 880, and then the third alignment driving member drives the two third alignment members away from each other to loosen the plastic sleeve 882, so that the plastic sleeve 882 falls on the tray to be assembled to complete the assembly.

Further preferably, the specific steps of sleeving the pressure spring 881, the forming washer 885 and the flat washer 886 on the threaded rod 880 in S5 are as follows:

firstly, a pressure spring 881 is vertically placed on a first station by a pressure spring 881 feeding mechanism 373, a forming gasket 885 is horizontally placed on the pressure spring 881 by a forming gasket 885 feeding mechanism 374 at a second station, and a flat gasket 886 is horizontally placed on the pressure spring 881 and the forming gasket 885 by a flat gasket 886 feeding mechanism 375 at a third station so as to form a spring assembly;

step two, the three seventh clamping assemblies 3761 respectively clamp the pressure spring 881 on the first station, the pressure spring 881 and the forming gasket 885 on the second station, and the spring assembly on the third station, and the second driving member 3762 drives the three seventh clamping assemblies 3761 to move so as to respectively send the pressure spring 881 on the first station, the pressure spring 881 and the forming gasket 885 on the second station, and the spring assembly on the third station to the second station, the third station, and the fourth station;

and step three, the spring assembly positioned on the fourth station is sleeved on the threaded rod 880 by the third clamping and conveying mechanism 371.

Further preferably, the specific steps of threading the adjusting nut in the plastic cover 883 with the threaded rod 880 in S6 are as follows:

the method comprises the following steps: the first driving mechanism 380 drives the assembly manipulator 381 to move so as to grab the downward-opening plastic cover 883 at the discharge port of the fifth feeding mechanism, and then drives the assembly manipulator 381 to move to the position above the tray to be assembled; and in this process, the fourth alignment member 3821 clamps the threaded rod 880 or the compression spring 881 fitted over the threaded rod 880 so that the threaded rod 880 is upright;

secondly, the assembly manipulator 381 descends to enable the fourth alignment rod 3814 to be abutted against the threaded rod 880 to fix the threaded rod 880, and a plastic cover 883 is sleeved on the threaded rod 880;

step three, the assembly robot 381 is rotated to thread the adjusting nut in the plastic lid 883 to the threaded rod 880, thereby assembling the plastic lid 883 to the pallet to be assembled.

Further preferably, the specific steps of sleeving the handle member 84 on the adjusting lever 83 in S7 are as follows:

the method comprises the following steps: the fifth alignment drive 724 drives the two fifth alignment members 725 towards each other to clamp the second rod part 832, such that the handle end of the adjustment rod 83 faces the eighth receptacle 721; and at the same time, the sixth feeding mechanism 71 places the handle member 84 on the eighth adapter 721 such that the handle mounting hole 843 of the handle member 84 is aligned with the handle end of the adjustment lever 83;

in the second step, the eighth movable driving member 720 drives the eighth adapting member 721 to move, so that the handle member 84 is sleeved on the handle end of the adjusting rod 83.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art without departing from the principle and spirit of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic assembling device of a seat tray adjusting mechanism is characterized in that the adjusting mechanism (88) comprises a threaded rod (880), a pressure spring (881), a plastic sleeve (882), a plastic cover (883), an adjusting nut, a forming gasket (885) and a flat gasket (886), wherein the pressure spring (881), the plastic sleeve (882), the plastic cover (883), the adjusting nut, the forming gasket and the flat gasket are sleeved on the threaded rod (880); it is characterized in that;

the automatic assembling equipment comprises a threaded rod assembling device (35), a plastic sleeve assembling device (36), a spring component assembling device (37), a plastic cover assembling device (38), a first tray conveying mechanism (21), a third tray conveying mechanism (34), a third assembling station (31), a fourth driving component, a sliding rail part (331) forming a closed loop, a first feeding station (301), a fourth assembling station (302), a fifth assembling station (303), a sixth assembling station (304), a seventh assembling station (305) and a first discharging station (306);

the threaded rod assembling device (35) assembles the threaded rods (880) on the trays to be assembled at the third assembling station (31), the first tray conveying mechanism (21) conveys the trays to be assembled from the third assembling station (31) to the first feeding station (301), the plastic sleeve assembling device (36) sleeves the plastic sleeve (882) on the threaded rods (880) in an empty manner at the fourth assembling station (302), the spring component assembling device (37) sleeves the pressure spring (881), the forming gasket (885) and the flat gasket (886) on the threaded rods (880) at the fifth assembling station (303), and the plastic cover assembling device (38) matches the adjusting nuts in the plastic cover (883) with the threaded rods (880) in a threaded manner at the seventh assembling station (305); the third tray conveying mechanism (34) conveys away the tray to be assembled in the first discharging station (306);

the first feeding station (301), the fourth assembling station (302), the fifth assembling station (303), the seventh assembling station (305) and the first discharging station (306) are respectively provided with a fourth assembling plate (320) for placing a tray to be assembled, and the fourth driving component drives the fourth assembling plate (320) to move along the sliding rail piece (331), so that the fourth assembling plate (320) on the sliding rail piece (331) sequentially flows among the first feeding station (301), the fourth assembling station (302), the fifth assembling station (303), the seventh assembling station (305) and the first discharging station (306).

2. The automatic assembling apparatus of a seat tray adjusting mechanism according to claim 1, wherein said fourth driving unit drives all the fourth assembling plates (320) to slide on the rail members (331) by means of a chain (3304), a timing belt or a wire rope.

3. The automated assembly machine of a seat tray adjustment mechanism according to claim 1, wherein the fourth drive assembly comprises a fourth drive motor (3301), a drive gear (3302), a driven gear (3303), and a chain (3304); the chain (3304) is a closed-loop chain and is in transmission connection with the driving gear (3302) and the driven gear (3303), the fourth assembling plate (320) is connected with the chain (3304), and the fourth driving motor (3301) moves through the driving chain (3304) to drive all the fourth assembling plates (320) to move along the sliding rail piece (331).

4. The automatic assembling apparatus of a seat tray adjusting mechanism according to claim 1, wherein a first rail forming a closed loop is provided on an inner sidewall of said slide rail member (331), and a second rail (3316) forming a closed loop is provided on an outer sidewall of said slide rail member (331);

two rollers (324) are mounted on the fourth mounting plate (320), wherein one roller (324) is used for rolling in the first rail, and the other roller (324) is used for rolling in the second rail (3316).

5. The automatic assembling equipment of the seat tray adjusting mechanism is characterized in that a positioning assembly is further arranged beside the first feeding station (301), the fourth assembling station (302), the fifth assembling station (303), the seventh assembling station (305) and/or the first discharging station (306), the positioning assembly comprises a third rotary driving piece (3325) and a sixth bracket (3321), and the sixth bracket (3321) is rotatably provided with a first positioning piece (3323);

a positioning groove (323) is formed in the fourth assembling plate (320);

the third rotary driving member (3325) drives the first positioning member (3323) to rotate so as to be matched with the positioning groove (323) on the fourth assembly plate (320).

6. The automatic assembling apparatus of a seat tray adjusting mechanism according to claim 5, wherein the positioning assembly further comprises a second rotating shaft (3322) and a connecting member (3324), the second rotating shaft (3322) is rotatably installed on the sixth bracket (3321), the connecting member (3324) and the first positioning member (3323) are installed on the second rotating shaft (3322), and the connecting member (3324) is hinged to the movable end of the third rotating driving member (3325).

7. The automatic assembling apparatus of a seat tray adjusting mechanism according to claim 1, wherein the slide member (331) includes a first curved slide rail section (3311), a second curved slide rail section (3312), a third straight slide rail section (3313), and a fourth straight slide rail section (3314), both ends of the first slide rail section (3311) are connected to one ends of the third slide rail section (3313) and the fourth slide rail section (3314), respectively, both ends of the second slide rail section (3312) are connected to the other ends of the third slide rail section (3313) and the fourth slide rail section (3314), respectively, the first feeding station (301) and the first discharging station (306) are located on the side of the third slide rail section (3313), and the fourth assembling station (302), the fifth assembling station (303), and the seventh assembling station (305) are located on the side of the fourth slide rail section (3314).

8. The automatic assembling equipment of the seat tray adjusting mechanism is characterized in that a sixth assembling station (304) and a lubricating grease adding device (39) are further arranged, the sixth assembling station (304) is located between the fifth assembling station (303) and the seventh assembling station (305), a fourth assembling plate (320) is arranged in the sixth assembling station (304), and the fourth driving component drives the fourth assembling plate (320) to move along the sliding rail member (331) so that the fourth assembling plate (320) on the sliding rail member (331) sequentially flows among the first feeding station (301), the fourth assembling station (302), the fifth assembling station (303), the sixth assembling station (304), the seventh assembling station (305) and the first discharging station (306).

9. The automatic assembling equipment of the seat tray adjusting mechanism according to claim 1, wherein a plurality of fourth positioning columns (321) for placing the tray to be assembled are arranged on the fourth assembling plate (320);

the upper surface of the fourth assembling plate (320) is obliquely arranged so that a fourth round hole (811) on a movable seat (81) in the tray to be assembled is vertical;

the upper surface of the fourth assembly plate (320) is also fixedly provided with or integrally formed with a fourth installation seat (322) for propping against a threaded rod (880) in the tray to be assembled.

10. The automatic assembling equipment of the seat tray adjusting mechanism according to claim 1, wherein the threaded rod assembling device (35) comprises a second vibration feeding mechanism (350) for providing a threaded rod (880) and a second assembling mechanism, the second assembling mechanism is positioned at one side of the third assembling station (31), the second assembling mechanism feeds the threaded rod (880) at the second vibration feeding mechanism (350) to the third assembling station (31), and can pass the shaft end of the threaded rod (880) through a fourth round hole (811) on the movable seat (81) from bottom to top;

the plastic sleeve assembling device (36) comprises a second vibration disc (360), a second feeding track, a third transfer mechanism (362) and a second subframe (3632), the second vibration disc (360) and the second feeding track are located on one side of a fourth assembling station (302), the second vibration disc (360) is used for conveying a plastic sleeve (882) to the second feeding track, the second subframe (3632) is located on the other side of the fourth assembling station (302), a second alignment component (3631) and a third alignment component (3633) are installed on the second subframe (3632), the third alignment component (3633) is located above the second alignment component (3631), the third transfer mechanism (362) transfers the plastic sleeve (882) located at a discharge port of the second vibration track to the second alignment component (3631), and the plastic sleeve (882) is sleeved on a threaded rod (880) in an empty mode, the second alignment component (3631) clamps the threaded rod (880) in the tray to be assembled so that the threaded rod (880) can be vertically placed and then loosened, and the third alignment component (3633) clamps the plastic sleeve (882) on the second alignment component (3631) so that the plastic sleeve (882) can be vertically placed and then loosened, so that the plastic sleeve (882) is assembled;

the spring component assembling device (37) comprises a sixth assembling mechanism (372), a third clamping mechanism (371), a fourth clamping mechanism (376), a first conveying rail (3760), a pressure spring feeding mechanism (373), a forming gasket feeding mechanism (374) and a flat gasket feeding mechanism (375), wherein a first station, a second station, a third station and a fourth station are sequentially arranged on the first conveying rail (3760), the fourth clamping mechanism (376) comprises three seventh clamping components (3761) and a second driving piece (3762) used for driving the three seventh clamping components (3761) to move, the pressure spring feeding mechanism (373) vertically places the pressure spring (881) on the first station, the forming gasket feeding mechanism (374) horizontally places the forming gasket (885) on the pressure spring (881) at the second station, and the flat gasket feeding mechanism (375) horizontally places the flat gasket (886) on the pressure spring (881) and the forming spring component (885) at the third station, so that the flat gasket feeding mechanism (886) horizontally places the pressure spring component (881) and the forming spring component (885) is formed After the three seventh clamping assemblies (3761) clamp the pressure spring (881) on the first station, the pressure spring (881) and the forming gasket (885) on the second station and the spring assembly on the third station respectively, the second driving piece (3762) drives the three seventh clamping assemblies (3761) to move, and respectively sends the pressure spring (881) on the first station, the pressure spring (881) and the forming gasket (885) on the second station and the spring assembly on the third station to the second station, the third station and the fourth station, the sixth assembling mechanism (372) is used for enabling a threaded rod (880) on the tray to be assembled to be vertical and enabling a plastic sleeve (882) on the tray to be assembled to be vertical, and further enabling a third clamping mechanism (371) to clamp the spring assembly on the fourth station to the tray to be assembled and enable the spring assembly to be located in the plastic sleeve (882), and is sleeved on the threaded rod (880);

the plastic cover assembling device (38) comprises a fifth feeding mechanism, a first driving mechanism (380), a fourth assembling mechanism (382) and an assembling manipulator (381), wherein the fifth feeding mechanism is used for feeding out the plastic cover (883) with a downward opening, and the fourth assembling mechanism (382) enables a threaded rod (880) in the tray to be assembled to be vertical; the first driving mechanism (380) drives the assembling mechanical arm (381) to move, so that the assembling mechanical arm (381) clamps the plastic cover (883) on the fifth feeding mechanism and then is in threaded fit with the threaded rod (880) so as to assemble the plastic cover (883) on the tray to be assembled at the seventh assembling station (305).