CN215431380U

CN215431380U - Automatic riveting machine for tray handle

Info

Publication number: CN215431380U
Application number: CN202120325202.9U
Authority: CN
Inventors: 杨余东
Original assignee: Zhejiang Anji Xiangtai Furniture Co ltd
Current assignee: Zhejiang Anji Xiangtai Furniture Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-01-07
Anticipated expiration: 2031-02-05

Abstract

An automatic riveting machine for a tray handle comprises a rotary worktable provided with a plurality of clamps, wherein a handle clamping station, an accessory assembling station, a riveting station and an unloading station are sequentially arranged in the rotating direction of the rotary worktable; the accessory assembling station is provided with a roller feeding machine which is positioned on the side of the rotary worktable and used for assembling the roller into the handle main body, and a rivet feeding machine which is positioned above the rotary worktable and used for assembling the rivet into the riveting hole of the handle main body and the central through hole of the roller; the riveting station is provided with a pressing device which is arranged above the rotary working table and used for pressing the upper part of the rivet and a upsetting mechanism which is arranged below the rotary working table. The utility model has high processing efficiency and low manufacturing cost.

Description

Automatic riveting machine for tray handle

Technical Field

The utility model relates to the field of manufacturing of chair tray handles, in particular to an automatic riveting machine for a tray handle.

Background

The tray handle is used for controlling the internal structure of the tray to realize switching of use states of a chair, and the structure of the tray handle is shown in figures 2-3, and the tray handle is provided with a handle main body 00 and a roller 01 arranged inside the handle main body 00, wherein a riveting hole 001 is arranged on the handle main body 00, the riveting hole 001 is connected with a rivet 02 in a matching mode, the rivet 02 penetrates through the roller 01, a central through hole 011 is correspondingly arranged on the roller 01 for the rivet 02 to penetrate through, the roller 01 can rotate around the rivet 02, and a positioning hole 002 is further arranged on the handle main body 00.

At present, in the prior art, the manufacture of the tray handle is completed through manual riveting, and the steps of handle body clamping, roller assembly, rivet assembly, riveting, finished product disassembly and the like are required to be sequentially performed, so that the manual investment is high, the manufacturing cost is high, and the processing efficiency is low.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the automatic riveting machine for the tray handle, which has high processing efficiency and low manufacturing cost.

An automatic riveting machine for a tray handle comprises a rotary worktable provided with a plurality of clamps, wherein a handle clamping station, an accessory assembling station, a riveting station and an unloading station are sequentially arranged in the rotating direction of the rotary worktable;

the accessory assembling station is provided with a first mechanical arm positioned on the side of the rotary worktable and used for assembling the roller into the handle main body, and a second mechanical arm positioned above the rotary worktable and used for assembling the rivet into the riveting hole of the handle main body and the central through hole of the roller;

the riveting station is provided with a pressing device which is arranged above the rotary working table and used for pressing the upper part of the rivet and a upsetting mechanism which is arranged below the rotary working table.

This automatic riveter, at handle clamping station clamping handle, in proper order automatic assembly pin roller and rivet at accessory assembly station, rivet at riveting station to rivet the automatic mound of rivet thick now, accomplish the finished product and make, at the station of unloading, lift off the finished product, for artifical riveting, machining efficiency is higher, and manufacturing cost is lower.

Preferably, the accessory assembling station is also provided with a guide device; the guiding device comprises a guiding needle arranged below the rotary worktable and a lifting mechanism connected with the guiding needle, and a yielding hole for the guiding needle to pass through is formed in the rotary worktable. The design of the guiding device realizes the assembly positioning of the rivet, so that the rivet is assembled more smoothly, and the riveting success rate of the riveting machine is indirectly improved.

Preferably, the lifting mechanism comprises a lifting cylinder, an oil cylinder and a lifting screw rod.

Preferably, the clamp comprises a first clamping block and a second clamping block, a placing groove is formed between the first clamping block and the second clamping block, and a positioning column used for being matched and positioned with the positioning hole in the handle main body is arranged on the rotary workbench.

The groove of putting into that first clamp splice and second clamp splice formed prevents the rotation of handle main part, the locating hole cooperation assembly in reference column and the handle main part, prevent that the handle main part from sliding, the three combines together, realize the clamping to the handle main part, when the clamping, only need aim at the reference column with the handle main part and put into the groove, then put down can, make whole clamping operation become simple, convenient, and in the aspect of clamping structure composition, only involve the clamp splice, simple parts such as reference column, moreover, the steam generator is simple in structure, cost to automatic riveter, can accomplish lower. Moreover, due to the guiding device on the accessory assembling station, the position of the roller can allow certain deviation after the roller is assembled in the handle body, namely, on the basis of feeding at a certain point of the manipulator, the position change of a certain space can be allowed after the handle body is rotated from the handle clamping station to the accessory assembling station, so that the width difference between the placing groove and the handle body can be allowed to be larger, and the diameter difference between the positioning hole on the handle body and the positioning column can be allowed to be larger, therefore, the clamping operation of the handle body is more convenient, and the clamping efficiency is high, especially for manual clamping.

Preferably, the first manipulator comprises a first pneumatic clamping jaw and a first telescopic cylinder connected with the first pneumatic clamping jaw, and the telescopic direction of the first telescopic cylinder is the horizontal direction.

Preferably, the second manipulator comprises a second pneumatic clamping jaw and a second telescopic cylinder connected with the second pneumatic clamping jaw, and the telescopic direction of the second telescopic cylinder is vertical.

Preferably, the pressing device comprises a pressing block and a pressing block driving mechanism connected with the pressing block.

Preferably, the upsetting mechanism comprises an upsetting head which can be close to and far from the rivet and an upsetting head driving structure connected with the upsetting head.

Preferably, the heading head driving structure is a rotary lifting structure.

Preferably, the discharging station is provided with a discharging mechanism.

Preferably, the unloading mechanism comprises an adsorption device used for adsorbing and releasing the handle, a first lifting cylinder connected with the adsorption device, a first mounting frame used for mounting the first lifting cylinder, and a translation cylinder connected with the first mounting frame.

Preferably, the adsorption device is an electromagnetic adsorption device or a vacuum adsorption device.

In conclusion, the utility model has the following beneficial effects:

1: according to the utility model, the handle is clamped at the handle clamping station, the roller and the rivet are automatically assembled in sequence at the accessory assembling station, the rivet is automatically upset and riveted at the riveting station to complete the manufacture of a finished product, and the finished product is unloaded at the unloading station, so that the processing efficiency is higher and the manufacturing cost is lower compared with manual riveting;

2: according to the utility model, the guide device is arranged at the accessory assembly station, and in the rivet assembly process, the dynamic motion of the guide needle is utilized to position the handle main body and the roller in real time, so that the rivet is guided to smoothly complete the assembly, the riveting success rate of the riveting machine is indirectly improved, and the design of the guide device enables the clamp to be simplified in design and has high-efficiency clamping efficiency;

3: according to the utility model, the handle main body is clamped by the placing groove and the positioning column, so that the handle is simple and convenient.

Drawings

FIG. 1 is a schematic diagram of an automatic riveter;

FIG. 2 is a schematic diagram of a handle according to the prior art;

FIG. 3 is a schematic exploded view of a handle of the prior art;

fig. 4 is a schematic diagram of the structure of the electromagnetic adsorption gripping mechanism.

Detailed Description

The utility model will be further explained by means of specific embodiments with reference to the drawings.

Example (b): as shown in fig. 1, an automatic riveting machine for a tray handle comprises a rotary table 1 provided with a plurality of clamps 11, wherein one or a plurality of clamps 11 are arranged, a handle clamping station, an accessory assembling station, a riveting station and an unloading station are sequentially arranged in the rotation direction of the rotary table 1, the handle main body 00 can be manually clamped on the handle clamping station, the handle main body 00 can be automatically clamped by using tools such as a manipulator, the finished handle can be manually unloaded on the unloading station, and the finished handle can be automatically unloaded by using the tools such as the manipulator; the accessory assembling station is provided with a first manipulator 2 located on the side of the rotary workbench 1 and a second manipulator 3 located above the rotary workbench 1, the riveting machine space is reasonably utilized due to the arrangement of the positions, so that the structure of the riveting machine is more compact and reasonable, the first manipulator 2 is used for assembling the roller 01 into the handle body 00, and the second manipulator 3 is used for assembling the rivet 02 into the riveting hole of the handle body 00 and the central through hole 011 of the roller 01; the riveting station is provided with a pressing device 4 which is arranged above the rotary working table 1 and used for pressing the upper part of the rivet 02 and a upsetting mechanism 5 which is arranged below the rotary working table 1.

When the automatic riveting machine works, after a handle body 00 is clamped on a rotary table 1 through a clamp 11, firstly, the rotary table 1 rotates to send a workpiece to an accessory assembling station, a roller 01 is assembled into the handle body 00 by a first manipulator 2 from the side, and then a rivet 02 is assembled into a riveting hole 001 of the handle body 00 and a central through hole 011 of the roller 01 by a second manipulator 3 from the top; then, the rotary worktable 1 rotates to convey the workpiece to a riveting station, the pressing device 4 presses the upper part of the rivet 02, and the upsetting mechanism 5 roughens the rivet hole 021 to realize riveting; next, the rotary table 1 is rotated to send the workpiece to the unloading station.

According to the automatic riveting machine, the handle main body 00 is clamped at the handle clamping station, the roller 01 and the rivet 02 are automatically assembled at the accessory assembling station in sequence, the rivet 02 is automatically upset and riveted at the riveting station, finished product manufacturing is completed, the finished product is dismounted at the unloading station, and compared with manual riveting, the automatic riveting machine is higher in processing efficiency and lower in manufacturing cost.

This embodiment, manipulator 2 includes pneumatic clamping jaw 21, with telescopic cylinder 22 that pneumatic clamping jaw 21 is connected, telescopic cylinder 22's flexible direction is the horizontal direction, and when manipulator 2 need assemble the roller 01 to handle main part 00, at first, pneumatic clamping jaw 21 is cliied the roller 01, then, telescopic cylinder 22 action, drives pneumatic clamping jaw horizontal motion, sends the roller 01 to the corresponding position department of riveting hole 001, then, pneumatic clamping jaw 21 loosens the roller 01, and telescopic cylinder 22 resets and drives pneumatic clamping jaw 21 and resets, then, manipulator 2 waits for next action. The second manipulator 3 comprises a second pneumatic clamping jaw 31 and a second telescopic cylinder 32 connected with the second pneumatic clamping jaw 31, the telescopic direction of the second telescopic cylinder 32 is vertical, after the first telescopic cylinder 22 is reset, the second pneumatic clamping jaw 31 starts to act to clamp the rivet 02, then the second telescopic cylinder 32 moves to deliver the rivet 02 to the central through hole 011 of the roller 01 from top to bottom, then the rivet 02 is loosened by the second pneumatic clamping jaw 31, the second telescopic cylinder 32 is reset to drive the second movable clamping jaw to reset, and then the second manipulator 3 waits for the next action. The pressing device 4 comprises a pressing block 41 and a pressing block driving mechanism 42 connected with the pressing block 41, the pressing block driving mechanism 42 can be an air cylinder but is not limited to the air cylinder, the pressing block 41 is used for acting on the upper part of the rivet 2, the upsetting mechanism 5 comprises an upsetting head 51 which can be close to and far away from the rivet 02 and an upsetting head driving mechanism 52 connected with the upsetting head 51, the upsetting head driving mechanism 52 is a linear lifting structure, specifically a linear air cylinder, so that the upsetting head 51 can realize linear motion, when a workpiece reaches a riveting station, the pressing block driving mechanism 42 drives the pressing block 41 to move from top to bottom and the pressing block 41 acts on the rivet 2, the upsetting head driving mechanism 52 drives the upsetting head 51 to move from bottom to top and act on the rivet 2, and further, in another embodiment, the upsetting head driving mechanism 52 is a rotary lifting structure, when upsetting rivet 2, upset head 51 is rotatory on one side, and is upsetting rivet hole 021 on one side, and riveting effect is good, and rotatory elevation structure can adopt common rotatory lift cylinder, also can be through connecting the motor on the lift cylinder, and the pivot of motor is connected with upset head 51, does not do specific restriction here.

Preferably, the accessory assembling station is further provided with a guiding device 6, the guiding device 6 includes a guiding pin 61 disposed below the rotary table 1 and a lifting mechanism 62 connected to the guiding pin 61, the rotary table 1 is provided with a yielding hole 12 for the guiding pin 61 to pass through, the lifting mechanism 62 can be a cylinder but is not limited to a cylinder, for example, an oil cylinder, a lifting screw rod, etc. can be adopted, when the manipulator 2 assembles the roller 01 into the handle body 00 from a side, the lifting mechanism 62 drives the guiding pin 61 to ascend, the guiding pin 61 passes through the yielding hole 12, the riveting 001 hole on the handle body 00, and the central through hole 011 of the roller 01, so that the central through hole 011, the riveting hole 001, and the yielding hole 12 are collinear and aligned to the rivet 02, which is beneficial for the rivet 02 to smoothly enter the central through hole 011 from the upper entrance of the riveting hole 001, and then, the second manipulator starts to rivet, the second manipulator synchronously descends in the riveting process, the second manipulator enables the rivet 02 to synchronously pass through the outlet of the riveting hole when the second manipulator exits the riveting hole, the guide needle 61 always keeps the collinear relationship among the abdicating hole 12, the riveting hole 001 and the central through hole 011 in the descending process, and the rivet 02 can effectively pass through the lower riveting hole.

The clamp 11 comprises a first clamping block 111 and a second clamping block 112, a placing groove 113 is formed between the first clamping block 111 and the second clamping block 112, a positioning column 13 is arranged on the rotary workbench 1, the placing groove 113 formed by the first clamping block 111 and the second clamping block 112 prevents the handle main body 00 from rotating, the positioning column 13 is matched with a positioning hole in the handle main body 00 to be assembled, the handle main body 00 is prevented from sliding, the three parts are combined together to clamp the handle main body 00, and only the handle main body 00 needs to be aligned to the positioning column 13 and the placing groove 113 during clamping and then put down, so that the whole clamping operation becomes simple, convenient and quick, in the aspect of clamping structure composition, only simple parts such as the clamping blocks and the positioning column are involved, the structure is simple, and the cost of the automatic riveting machine can be lower. Moreover, due to the guiding function of the guiding device 6 on the accessory assembling station on the rivet, after the roller 01 is assembled in the handle body 00, a certain deviation can be allowed for the position of the roller 01, that is, on the basis of the fixed-point feeding of the manipulator 2, after the handle body 00 is transferred from the handle clamping station to the accessory assembling station, a certain position change can be allowed, so that the width difference between the inserting groove 113 and the handle body 00 can be allowed to be larger, and the diameter difference between the positioning hole 002 on the handle body 00 and the positioning column 13 can be allowed to be larger, therefore, the clamping operation of the handle body 00 is more convenient, and the clamping efficiency is high, especially for manual clamping.

Preferably, the unloading station is provided with an unloading mechanism 7, as shown in fig. 4, the unloading mechanism 7 includes an adsorption device 71 for adsorbing and releasing the handle, a first lifting cylinder 72 connected to the adsorption device 71, a first mounting bracket 73 for mounting the first lifting cylinder 72, and a translation cylinder 74 connected to the first mounting bracket 73, in this embodiment, the adsorption device 71 may be an electromagnetic adsorption device including an electromagnet and an energized coil wound around the electromagnet, which is not specifically described herein, in an initial state, the adsorption device 71 is located right above the workpiece, after the workpiece is sent to the unloading station, the first lifting cylinder 72 descends, the adsorption device 71 operates to adsorb the workpiece, the first lifting cylinder 72 ascends, and then the translation cylinder 74 moves to drive the first mounting bracket 73, the first lifting cylinder 72 and the workpiece to move laterally, so that the workpiece is far away from the rotary table 1, the suction device 71 is actuated to release the workpiece, and then the translation cylinder 74 is reset to complete one discharge motion, in another embodiment, the suction device 71 may also be a vacuum suction device including a vacuum suction head and a vacuum pump connected to the vacuum suction head through a connecting air pipe. This shedding mechanism 7 can accomplish automatically and unload, reduces the input of cost of labor to, because anchor clamps 11 come clamping handle main part 00 through putting into groove 113 and reference column 13, so, to shedding mechanism 7 on the station of unloading, can realize direct, convenient work of unloading.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The automatic riveting machine for the tray handle is characterized by comprising a rotary workbench (1) provided with a plurality of clamps (11), wherein a handle clamping station, an accessory assembling station, a riveting station and an unloading station are sequentially arranged in the rotating direction of the rotary workbench (1);

the accessory assembling station is provided with a first manipulator (2) which is positioned on the side of the rotary workbench (1) and used for assembling the roller (01) into the handle body (00), and a second manipulator (3) which is positioned above the rotary workbench (1) and used for assembling the rivet (02) into the riveting hole (001) of the handle body (00) and the central through hole (011) of the roller (01);

the riveting station is provided with a pressing device (4) which is arranged above the rotary working table (1) and used for pressing the upper part of the rivet (02) and a upsetting mechanism (5) which is arranged below the rotary working table (1).

2. The automatic riveting machine for the handle of the tray according to claim 1, characterized in that the accessory assembling station is further provided with a guide device (6); the guiding device (6) comprises a guiding needle (61) arranged below the rotary working table (1) and a lifting mechanism (62) connected with the guiding needle (61), and a yielding hole (12) for the guiding needle (61) to pass through is formed in the rotary working table (1).

3. The automatic riveting machine for the handle of the tray as claimed in claim 2, wherein the lifting mechanism (62) comprises a lifting cylinder, an oil cylinder and a lifting screw rod.

4. The automatic riveting machine for the handle of the tray as claimed in claim 1, 2 or 3, wherein the clamp (11) comprises a first clamping block (111) and a second clamping block (112), a placing groove (113) is formed between the first clamping block (111) and the second clamping block (112), and a positioning column (13) for matching and positioning with a positioning hole (002) in the handle body (00) is arranged on the rotary worktable (1).

5. The automatic riveting machine for the handle of the tray as claimed in claim 1, wherein the first manipulator (2) comprises a first pneumatic clamping jaw (21) and a first telescopic cylinder (22) connected with the first pneumatic clamping jaw (21), and the telescopic direction of the first telescopic cylinder (22) is horizontal.

6. The automatic riveting machine for the tray handles as claimed in claim 1, wherein the second manipulator (3) comprises a second pneumatic clamping jaw (31) and a second telescopic cylinder (32) connected with the second pneumatic clamping jaw (31), and the telescopic direction of the second telescopic cylinder (32) is vertical.

7. The automatic riveting machine for the handle of the tray as recited in claim 1, characterized in that the pressing device (4) comprises a pressing block (41) and a pressing block driving mechanism (42) connected with the pressing block (41).

8. The automatic riveting machine for handle of tray according to claim 1, characterized in that the upsetting mechanism (5) comprises an upsetting head (51) which can be close to and far from the rivet and an upsetting head driving structure (52) connected with the upsetting head (51).

9. The automatic riveting machine for the handle of the tray as claimed in claim 4, wherein a discharging mechanism (7) is arranged on the discharging station; the discharging mechanism (7) comprises an adsorption device (71) used for adsorbing and releasing a handle, a first lifting cylinder (72) connected with the adsorption device (71), a first mounting frame (73) used for mounting the first lifting cylinder (72), and a translation cylinder (74) connected with the first mounting frame (73).