CN217551061U

CN217551061U - Automatic riveting mechanism for automatic production line of seat tray

Info

Publication number: CN217551061U
Application number: CN202220090237.3U
Authority: CN
Inventors: 王江林
Original assignee: Huzhou Hengxin Metal Products Co ltd
Current assignee: Huzhou Hengxin Metal Products Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-10-11
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses an automatic pressure riveting mechanism for seat tray automatic production line, including the fourth frame and set up pressure riveting motor, pressure riveting unit head, second carousel and the second rotating electrical machines in the fourth frame, be equipped with feeding station, pressure riveting station and ejection of compact station on the second carousel in proper order, all be equipped with the fifth assembly plate in feeding station, pressure riveting station and the ejection of compact station, the tray to be assembled of placing on the fifth assembly plate slopes so that the threaded rod on the tray to be assembled is vertical, the pressure riveting unit head is located the top of pressure riveting station, the pressure riveting motor drive pressure riveting unit head rotates so that the axle head of threaded rod is pressure riveted, the second rotating electrical machines drive second carousel rotates to make a plurality of fifth assembly plates on the second carousel circulate between feeding station, pressure riveting station and ejection of compact station; this technical scheme makes this automatic mechanism of riveting can be arranged in seat tray automatic production line.

Description

Automatic riveting mechanism for automatic production line of seat tray

Technical Field

The utility model relates to a mechanical automation technical field especially relates to an automatic riveting mechanism that presses for seat tray automatic production line.

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 document CN2015121U discloses a tray for a double-locking chair, which comprises a chassis installed on a swivel chair, wherein the chassis is connected with a shell through a fulcrum, an adjusting nut is arranged in the shell, the lower end of the adjusting nut is connected with a spring, a movable seat is arranged in the shell, 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 shell is penetrated and connected with an adjusting rod which can rotate and move axially, 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.

Considering that when the adjusting nut is installed, the adjusting nut is difficult to install on the threaded rod by ordinary people due to the fact that the elastic force of the spring is overcome, the adjusting nut is generally installed through corresponding mechanical equipment, but the adjusting nut and the threaded rod are in threaded fit, namely the adjusting nut can be screwed off by ordinary people; therefore, in order to avoid this phenomenon, a clinching mechanism is generally provided to clinch the shaft end of the threaded rod so as to prevent the adjusting nut from falling off the threaded rod.

However, the rivet pressing drill bit can only be located above the rivet pressing station, so that the tray cannot be conveyed to the rivet pressing station through a conveying mechanism such as a manipulator, and the seat tray which is subjected to rivet pressing can be conveyed away from the rivet pressing station, that is, the existing rivet pressing mechanism cannot be used for an automatic seat tray production line.

Disclosure of Invention

In order to solve the problem, the utility model aims to provide a can be used for automatic riveting mechanism of seat tray automatic production line's automation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mechanism is riveted to automation for seat tray automatic production line, rivets motor, second pressure riveting unit head, second carousel and second rotating electrical machines including fourth frame and the second of setting in the fourth frame, be equipped with in proper order on the second carousel and be used for accepting the feeding station of waiting to assemble the tray, be used for treating the threaded rod in the assembly tray and carry out the pressure riveting station of riveting and be used for waiting to assemble the ejection of compact station that the tray sees off, all be equipped with the fifth assembly plate in feeding station, pressure riveting station and the ejection of compact station, place waiting to assemble the tray slope on the fifth assembly plate so that wait to assemble the threaded rod on the tray vertical, the second is pressed and is riveted the unit head and is located the top of riveting the station, the second is pressed and is riveted motor drive second and is pressed and is riveted the unit head and rotate thereby is pressed and rivet the axle head of threaded rod, second rotating electrical machines drive second carousel rotates to make a plurality of fifth assembly plates on the second carousel at feeding station, press and rivet between station and the ejection of compact station.

Preferably, the fifth assembling plates on the second rotary table are distributed around the rotation center of the second rotary table in a central symmetry manner.

Preferably, four fifth assembling plates are arranged on the second rotary table, three of the fifth assembling plates are respectively positioned in the feeding station, the riveting station and the discharging station, and the second rotary motor drives the second rotary table to rotate 90 degrees at each time.

Preferably, the fifth assembling plate is provided with a plurality of positioning columns which are used for being matched with the positioning holes in the tray to be assembled.

Preferably, the fifth assembling plate is further provided with a fifth mounting seat for propping against a threaded rod on the tray to be assembled.

Preferably, a first groove matched with the end of the threaded rod cap is formed in the fifth mounting seat.

Preferably, the shaft end of the threaded rod is provided with a second groove.

Preferably, a first tray conveying assembly and a second tray conveying assembly are further arranged on the fourth rack, the first tray conveying assembly is used for conveying the tray to be assembled to a fifth assembling plate in the feeding station, and the second tray conveying assembly is used for conveying the tray to be assembled, which is subjected to threaded rod press riveting and arranged on the fifth assembling plate in the discharging station, away.

Preferably, the first tray conveying assembly comprises a first mounting frame fixedly mounted on the third rack, a first manipulator and a first driving motor, the first manipulator and the first driving motor are mounted on the first mounting frame, a first slide rail is arranged on the first mounting frame, and the first driving motor drives the third manipulator to move along the first slide rail through a conveyor belt.

Preferably, the second tray conveying assembly and the first tray conveying assembly have the same structure.

The utility model has the advantages that: in the four fifth assembly plates on the second rotary table, one fifth assembly plate is used for receiving the trays to be assembled conveyed by the first tray conveying assembly, one fifth assembly plate is used for the second pressure riveting power head to press and rivet the threaded rod, one fifth assembly plate is used for the second tray conveying assembly to convey the trays to be assembled after the threaded rod is subjected to pressure riveting, so that the position conflict between the tray conveying assembly and the rotary power head is solved, and meanwhile, the four fifth assembly plates form circulation in the rotating process, so that the automatic pressure riveting mechanism can be used in an automatic production line of seat trays.

Drawings

Fig. 1 is a first structural schematic diagram of the automatic rivet pressing mechanism of the present invention (omitting the second conveying assembly);

fig. 2 is a second schematic structural diagram of the automatic rivet pressing mechanism of the present invention (omitting the first conveying assembly, the second conveying assembly and the fourth frame);

fig. 3 is a schematic structural view of a fifth mounting plate of the present invention;

fig. 4 is a schematic structural view of a seat tray according to the present invention;

fig. 5 is a schematic structural view of the middle threaded rod of the present invention.

Description of reference numerals: 40. a fourth frame; 41. a second press riveting motor; 43. a second rotating electrical machine; 44. a second turntable; 45. a first tray conveying assembly; 46. a fifth assembly plate; 47. a feeding station; 48. a riveting station; 49. a discharge station; 461. a positioning column; 462. a fifth mounting seat; 4621. a first groove; 8801. a second groove; 451. a first mounting bracket; 452. a first manipulator; 453. a first drive motor; 4511. a first slide rail;

8. a seat tray; 80. a chassis; 801. a first long hole; 81. a movable seat; 810. a third circular hole; 82. a tapered tube; 83. adjusting a rod; 84. a handle member; 85. a shifting sheet; 86. a connecting rod; 860. a tapered hole; 87. a torsion spring assembly; 88. an adjustment mechanism; 880. a threaded rod; 881. a pressure spring; 882. a plastic sheath; 883. a plastic cover; 884. adjusting the nut; 885. forming a gasket; 886. and (7) a flat gasket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 invention, and should not be construed as limiting the present invention.

In the description of the present invention, 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element 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 invention.

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 implicitly indicating 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 invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. 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.

The first embodiment is as follows:

a seat tray 8 as shown in fig. 4, which comprises a chassis 80, a movable seat 81, a tapered tube 82, an adjusting rod 83, a handle member 84, a plectrum 85, a locking mechanism for controlling the lifting and lowering 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 an empty 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 coaxially distributed threaded rod 880, a compression spring 881, a plastic sleeve 882, a plastic cover 883, an adjusting nut 884, a formed gasket 885 and a flat gasket 886;

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

As shown in fig. 1 and 2, an automatic press-riveting mechanism for an automatic production line of a seat tray 8 includes a fourth frame 40, a second press-riveting motor 41, a second press-riveting power head, a second rotating motor 43, a second rotary table 44, a first tray conveying assembly 45, and a second tray conveying assembly (not shown), the second rotating motor 43, the second rotary table 44, and the tray conveying assembly are mounted on the fourth frame 40, four fifth assembling plates 46 for placing a tray to be assembled are provided on the second rotary table 44, three fifth assembling plates are respectively located in a feeding station 47, a press-riveting station 48, and an ejection station 49, an upper surface of the fifth assembling plate 46 is inclined so that a threaded rod 880 on the tray to be assembled is vertical, the four fifth assembling plates 46 are distributed in a central symmetry manner around a rotation center of the second rotary table 44, the first tray conveying assembly 45 conveys the tray to be assembled to the fifth assembling plate 46 on a front side, the second tray conveying assembly 46 rotates the second tray conveying assembly 46 at a position where the fifth assembling plate 46 on a right side, the second tray conveying assembly 46 rotates the second rotary table 48 to drive the second rotary table 48, and the second rotary table 48 rotates to drive the second press-riveting power head 49 to rivet the riveting station 48.

In this way, of the four fifth assembly plates 46 on the second rotating disc 44, one fifth assembly plate 46 is used for receiving the tray to be assembled conveyed by the first tray conveying assembly 45, one fifth assembly plate 46 is used for the second pressure riveting power head to press and rivet the threaded rod 880, and one fifth assembly plate 46 is used for the second tray conveying assembly to convey the tray to be assembled to which the threaded rod 880 is subjected to pressure riveting, so that the position relationship between the tray conveying assembly and the rotary power head is solved, and meanwhile, the four fifth assembly plates 46 form a cycle in the rotating process, so that the automatic pressure riveting mechanism can be used in the automatic production line of the seat tray 8.

Of course, in other embodiments, it is possible to provide three fifth mounting plates 46 or more fifth mounting plates 46 on the second rotary plate 44, but providing four fifth mounting plates 46 is more beneficial to the reasonable layout of the entire seat tray 8 automatic production line, thereby reducing the area occupied by the entire seat tray 8 automatic production line.

It is worth to say here that the tray to be assembled means that the assembly of the chassis 80, the movable seat 81, the tapered tube 82, the adjustment lever 83, the paddle 85, the locking mechanism for controlling the elevation of the seat, and the adjustment mechanism 88 for adjusting the reclining tension of the seat has been completed.

In the embodiment of the present application, the fifth assembling plate 46 is provided with a plurality of positioning pillars 461 for matching with the positioning holes on the tray to be assembled, so that the tray to be assembled can be stably and accurately placed on the fifth assembling plate 46.

Further preferably, a fifth mounting base 462 for supporting the threaded rod 880 on the tray to be assembled is further arranged on the fifth assembly plate 46, and a first groove 4621 matched with the cap end of the threaded rod 880 is formed in the fifth mounting base 462; the reason for this is because due to the structure of the tray to be assembled, when the tray to be assembled is located on the fifth assembly plate 46, the cap end of the threaded rod 880 is suspended, and in the press-riveting process, the second press-riveting power head exerts a downward acting force on the threaded rod 880, and therefore, the fifth mounting base 462 is provided to ensure stability in the press-riveting process.

As shown in fig. 5, the shaft end of the threaded rod 880 is provided with a second groove 8801; so set up, can make things convenient for the second to press the axle head of riveting power head to threaded rod 880 to press and rivet.

In the embodiment of the present application, the first tray conveying assembly 45 includes a first mounting frame 451 fixedly installed on the fourth frame 40, and a first robot 452 and a first driving motor 453 which are installed on the first mounting frame 451, a first slide rail 4511 is provided on the first mounting frame 451, and the first driving motor 453 drives the third robot to move along the first slide rail 4511 through a belt.

The second pallet transport assembly is identical in construction to the first pallet transport assembly 45 and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. 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 invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic rivet pressing mechanism for seat tray automatic production line, its characterized in that, includes fourth frame (40) and sets up rivet pressing motor (41), rivet pressing unit head, second carousel (44) and second rotating electrical machines (43) on fourth frame (40), be equipped with in proper order on second carousel (44) and be used for accepting feeding station (47) of waiting to assemble the tray, be used for waiting to assemble threaded rod (880) in the tray to press rivet pressure rivet station (48) and be used for the ejection of compact station (49) that will wait to assemble the tray and send out, all be equipped with fifth assembly plate (46) in feeding station (47), rivet pressing station (48) and ejection of compact station (49), the slope of waiting to assemble the tray of placing on fifth assembly plate (46) so that threaded rod (880) on waiting to assemble the tray are vertical, rivet pressing unit head is located the top of rivet pressing station (48), rivet pressing motor (41) drive rivet pressing rotates thereby the axle head of threaded rod (880) to press rivet pressing, second carousel (43) second rotating electrical machines (44) and a plurality of rotating electrical machines (47) make between the feeding station (48) and ejection of compact station (49) rotate.

2. The automatic clinching mechanism for a seat tray automatic production line according to claim 1, wherein the plurality of fifth fitting plates (46) on the second rotary plate (44) are distributed in central symmetry around a rotation center of the second rotary plate (44).

3. The automatic rivet pressing mechanism for the automatic seat tray production line according to claim 1, characterized in that four fifth assembling plates (46) are arranged on the second rotary table (44), wherein three fifth assembling plates (46) are respectively arranged in the feeding station (47), the rivet pressing station (48) and the discharging station (49), and the second rotary motor (43) drives the second rotary table (44) to rotate 90 degrees each time.

4. The automatic riveting mechanism for the automatic production line of seat trays according to claim 1, wherein the fifth assembling plate (46) is provided with a plurality of positioning columns (461) for matching with the positioning holes on the tray to be assembled.

5. The automatic rivet pressing mechanism for the automatic seat tray production line as claimed in claim 1, wherein a fifth mounting seat (462) for supporting the threaded rod (880) of the tray to be assembled is further provided on the fifth assembling plate (46).

6. The automatic rivet pressing mechanism for the automatic production line of the seat tray as claimed in claim 5, wherein the fifth mounting seat (462) is provided with a first groove (4621) matched with the cap end of the threaded rod (880).

7. The automatic clinch mechanism for an automatic seat tray production line as claimed in claim 1, wherein the shaft end of the threaded rod (880) is provided with a second groove (8801).

8. The automatic rivet pressing mechanism for the automatic seat tray production line according to claim 1, characterized in that a first tray conveying assembly (45) and a second tray conveying assembly are arranged on a fourth rack (40), the first tray conveying assembly (45) is used for conveying trays to be assembled to a fifth assembling plate (46) in the feeding station (47), and the second tray conveying assembly is used for conveying the trays to be assembled which are subjected to rivet pressing by the threaded rods (880) on the fifth assembling plate (46) in the discharging station (49).

9. The automatic rivet pressing mechanism for the automatic seat tray production line according to claim 8, characterized in that the first tray conveying assembly (45) comprises a first mounting frame (451) fixedly mounted on the third frame, and a first manipulator (452) and a first driving motor (453) mounted on the first mounting frame (451), wherein a first slide rail (4511) is arranged on the first mounting frame (451), and the first driving motor (453) drives the first manipulator (452) to move along the first slide rail (4511) through a conveyor belt.

10. The automatic riveting mechanism for the automatic production line of seat trays according to claim 8 or 9, characterized in that the second tray conveying assembly and the first tray conveying assembly (45) are identical in structure.