CN116984544A - Automatic riveting device for front end frame - Google Patents

Abstract

The application discloses an automatic riveting device for a front end frame, which comprises a first workpiece taking jig, a control mechanism, a second workpiece taking jig and a single-station nut feeding mechanism, wherein a first robot is arranged on one side of the control mechanism, a second robot is arranged on one side of the second workpiece taking jig, a third robot is arranged on one side of the first workpiece taking jig, a workbench is arranged on one side of the first robot and one side of the second robot, and a positioning clamping fixture is assembled on the top of the workbench; the control mechanism comprises a sliding frame, a hydraulic cylinder is arranged at the top of one side of the sliding frame, and a rivet gun is arranged at the bottom of one side of the sliding frame; the technical essential is, through adopting the fixed front end frame of location mould centre gripping of profile modeling design, when directly controlling the activity about the rivet rifle through control mechanism with the help of first robot, make the inside that the rivet pole on the nut on the front end frame inserted the rivet rifle, after the rivet work is beaten to the rivet rifle, the surface of nut is laminated with the nut on the front end frame, need not follow-up reworking.

Description

Automatic riveting device for front end frame

Technical Field

The application belongs to the technical field of automobile part production and processing equipment, and particularly relates to an automatic riveting device for a front end frame.

Background

The automobile is driven by power, is generally provided with 4 or more wheels, and can flexibly run on the ground. Automobiles are mainly used for carrying personnel and goods, vehicles for towing the same, special purposes, and the like. The whole structure of the automobile basically consists of an engine, a chassis, a body and an electric four part. The engine is a power device of the automobile, which can enable fuel to burn to generate power, and then drive wheels through a transmission system of the chassis to enable the automobile to run. The chassis consists of a transmission system, a driving system, a steering system and a braking system. The body is mounted on a frame of the chassis for the driver and passengers to ride or load cargo. The bodies of cars and buses are generally of unitary construction, while the bodies of trucks are generally composed of a cab and a cargo box. The body is mounted on a frame of the chassis for the driver and passengers to ride or load cargo. The bodies of cars and buses are generally of unitary construction, while the bodies of trucks are generally composed of a cab and a cargo box. The electric equipment mainly comprises a power supply, a starting system, an ignition system, automobile lighting, signals, auxiliary electric facilities and the like, and provides power for starting, running and auxiliary facilities of the automobile.

The automatic process refers to a process that a machine or a device automatically operates or controls according to a preset program or instruction without human intervention, and the mechanical automatic process refers to a process that the machine or the device realizes automatic control in a mechanical mode, so that great progress is made in the aspects of improving production efficiency, improving safety coefficient and the like. Along with the large-area use of mechanical automation, related mechanical equipment is also commonly utilized to replace manpower in the automobile production process, and the work such as automobile welding, assembly, paint spraying and polishing is performed, so that the production efficiency is improved.

The automobile front end frame is used as one of automobile parts, in the production and processing stage, besides the appearance which accords with the installation position of an automobile, nuts are fixed at all points before delivery, the nuts are conveniently and subsequently connected and fixed with an automobile body by using screws, the existing nuts are small in size, the fixing work of the nuts is generally finished by manually riveting, but the process efficiency is low, the nuts which are fixed are easily connected with the front end frame in an untight mode due to the inclination of riveting angles of operators, the front end frame cannot be used normally, reworking treatment is required, and the process is troublesome.

Disclosure of Invention

In order to overcome the defects that the prior automobile front end frame mainly adopts a manual riveting mode to install nuts, but the mode efficiency is lower, deviation is easily caused by an operator riveting mode, quality requirements are not met, and reworking treatment is needed, the embodiment of the application provides an automatic front end frame riveting device.

The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows:

the automatic riveting device for the front end frame comprises a first pick-up tool, a control mechanism, a second pick-up tool and a single-station nut feeding mechanism, wherein the first pick-up tool is used for loading and unloading the front end frame to be processed;

the control mechanism is used for controlling the riveting part to perform riveting work on the front end frame;

the second fetching jig is used for sorting nuts and rivets to be sent into the system, so that the nuts and the rivets are pre-fixed;

the single-station nut feeding mechanism is used for providing rivet materials and nut materials for the system;

one side of the control mechanism is provided with a first robot, one side of the second pick-up tool is provided with a second robot, one side of the first pick-up tool is provided with a third robot, the control mechanism and the second pick-up tool are located between the first pick-up tool and the single-station nut feeding mechanism, and the front end frame is clamped at the bottom of the first pick-up tool.

Preferably, one side of the first robot and the second robot is provided with a support, the top of the support is fixedly connected with a workbench, the top of the workbench is connected with a positioning mould in an assembling mode, and the positioning mould clamps the front end frame at the top of the positioning mould by adopting a profiling design.

Preferably, the first pick-up tool clamps the front end frame on the conveying line to the top of the positioning jig, so that the front end frame is clamped by the positioning jig to wait for the riveting of the nut, and the front end frame for completing the riveting work of the nut is dismounted from the top of the positioning jig.

Preferably, the workstation is kept away from the corner assembled of first robot and second robot one side and is connected with the extension board, the top assembled of extension board one side is connected with nut arrangement mechanism, the top assembled of extension board opposite side is connected with the pendulum nail robot, nut arrangement mechanism is located a corner of workstation, the pendulum nail robot is located the center department on one side of workstation, nut arrangement mechanism is used for receiving rivet and the nut that the second got a smelting tool and transferred to arrange neatly through the mode of vibration dish vibration, make rivet and nut arrange neatly, the pendulum nail robot takes off the nut that has the rivet from the top of nut arrangement mechanism.

Preferably, the control mechanism comprises a sliding frame, a hydraulic cylinder is arranged at the top of one side of the sliding frame, a rivet gun is arranged at the bottom of one side of the sliding frame, two sliding blocks are connected with one surface assembly type of one end of the sliding frame, a fixing frame is connected with the other end of the sliding frame in a surface assembly type, the fixing frame and the two sliding blocks are positioned on the same side, the rivet gun is connected inside the fixing frame in an assembly type, a connecting block is connected with the movable end of the hydraulic cylinder in an assembly type, and the connecting block is positioned between the two sliding blocks and is fixedly assembled with the sliding frame.

Preferably, the fixed end of pneumatic cylinder is fixedly connected with bottom plate, the expansion end of pneumatic cylinder passes from the inside of bottom plate, the bottom assembly type of bottom plate one end is connected with the support frame, the fixed surface of support frame one side is connected with the adapter, the assembly type of one side of support frame is connected with two draw bars, connecting block swing joint is between two draw bars, the outside at the draw bar is connected to the slider slidingtype.

Preferably, the rivet gun comprises a gun body, a guide table is fixedly connected to the top end of the gun body, a rear cover is assembled at the top of the gun body, the guide table is sleeved on the inner side of the rear cover, a guide pipe is integrally formed on one side of the rear cover, the guide pipe is a conical pipe, and an inclined surface inclined towards the inside of the guide pipe is processed at the top of the guide table.

Preferably, one end of the guide pipe is fixedly connected with a transfer pipe head, one side of the transfer pipe head is provided with a first short pipe, one side of the first short pipe is provided with a second short pipe, one end of the second short pipe is connected with a discharge pipe in a threaded mode, connecting components are arranged between the transfer pipe head and the first short pipe and between the transfer pipe head and the second short pipe, one end of the transfer pipe head is sleeved in the first short pipe, one end of the first short pipe is sleeved in the second short pipe, and the two connecting components are perpendicular to each other.

Preferably, the connecting assembly comprises a shaft rod, two shaft rods respectively penetrate through the second blocking cap and the first blocking cap and are in pin joint with the inside of the adapter tube head, plastic sleeves are connected to the outer parts of two ends of the shaft rod in a sleeved mode, one of the two plastic sleeves is located between the inner wall of the second blocking cap and the outer wall of the adapter tube head, and the other of the two plastic sleeves is located between the outer wall of the first short tube and the inner wall of the first blocking cap.

Preferably, the one end of adapter is provided with the second and blocks the cap, the one end of first nozzle stub is provided with first and blocks the cap, the second blocks cap and first blocking cap and is round platform rubber sleeve, the second blocks the cap one side around with the inner wall of first nozzle stub laminating mutually, the first blocking cap one side around with the outer wall of second nozzle stub laminating mutually.

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

the front end frame of the nut to be installed is clamped and fixed by adopting the positioning clamping fixture with profiling design, so that the integral appearance of the front end frame is attached to the positioning part of the positioning clamping fixture, stability can be ensured after the front end frame is clamped, when the rivet gun is controlled to move up and down by directly through the hydraulic cylinder, the sliding frame and the fixing frame by means of the first robot, the rivet rod on the nut on the front end frame is inserted into the rivet gun, after the riveting work of the rivet gun is finished, the nut is fixed with the front end frame by utilizing the rivet head part, the surface of the nut is attached to the nut on the front end frame by utilizing the rivet head, the riveting angle deviation is small, and subsequent reworking is not needed;

secondly, the guide table at the top of the gun body is set to be an inclined plane, the rear cover assembled with the gun body is arranged outside the guide table, when the gun body completes riveting work so that a rivet rod is fed into the rear cover, the rivet rod is guided into the guide pipe by the guide table, the first short pipe and the second short pipe are bent towards the bottom by the gravity of the discharge pipe, the rivet rod can pass through the inside of the adapter pipe head, the first short pipe and the second short pipe, finally, the rivet rod is discharged from the top of the discharge pipe to the bottom, the rivet rod in the rear cover can be timely removed, and the continuous riveting work of the gun body is ensured.

Drawings

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

FIG. 2 is a schematic view of the position of a first robot and carriage of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2 in accordance with the present application;

FIG. 4 is a schematic view of the connection structure of the positioning mold and the front end frame of the present application;

FIG. 5 is an enlarged view of the control mechanism and riveter of the present application;

FIG. 6 is a schematic view of the structure of the present application in a disengaged state of the carriage and the support frame;

FIG. 7 is an exploded view of the riveter of the present application;

FIG. 8 is an exploded view of the adaptor sleeve, first stub and second stub of the present application;

fig. 9 is a cross-sectional view of the guide tube, adapter, first spool and second spool of the present application.

Reference numerals: 1. a first pick-up jig; 2. a control mechanism; 201. a fixing frame; 202. a carriage; 203. a slide block; 204. a hydraulic cylinder; 205. a support frame; 206. an adapter; 207. a bottom plate; 208. a connecting block; 209. a slide bar; 3. a first robot; 4. a bracket; 5. an extension plate; 6. a nut arranging mechanism; 7. a staple arranging robot; 8. a work table; 9. a second pick-up jig; 10. a single-station nut feeding mechanism; 11. a second robot; 12. a rivet gun; 1201. a gun body; 1202. a rear cover; 1203. a guide table; 1204. a first short tube; 1205. a second short tube; 1206. a first blocking cap; 1207. a guide tube; 1208. a transfer tube head; 1209. a second barrier cap; 13. a front end frame; 14. positioning a mould; 15. a discharge pipe; 16. a connection assembly; 1601. a plastic sleeve; 1602. and a shaft lever.

Detailed Description

Example 1:

1-4 and 6, the front end frame automatic riveting device comprises a first fetching jig 1 for loading and unloading a front end frame 13 to be processed, a control mechanism 2 for controlling a riveting part to rivet on the front end frame 13, a second fetching jig 9 and a single-station nut feeding mechanism 10 for arranging nuts and rivets to be fed into a system and pre-fixing the nuts and the rivets, and a single-station nut feeding mechanism 10 for providing rivet materials and nut materials for the system;

a first robot 3 is arranged on one side of the control mechanism 2, a second robot 11 is arranged on one side of the second picking tool 9, a third robot is arranged on one side of the first picking tool 1, the control mechanism 2 and the second picking tool 9 are positioned between the first picking tool 1 and the single-station nut feeding mechanism 10, a front end frame 13 is clamped at the bottom of the first picking tool 1, a bracket 4 is arranged on one side of the first robot 3 and the second robot 11, a workbench 8 is fixedly connected to the top of the bracket 4, a positioning jig 14 is connected to the top of the workbench 8 in an assembling manner, an extension plate 5 is connected to the corner of one side of the workbench 8 far away from the first robot 3 and the second robot 11 in an assembling manner, a nut arranging mechanism 6 is connected to the top of one side of the extension plate 5 in an assembling manner, and a swing nail robot 7 is connected to the top of the other side of the extension plate 5 in an assembling manner;

the positioning clamping fixture 14 adopts a profiling design, so that the front end frame 13 is conveniently and stably clamped at the top of the positioning clamping fixture 14, shaking of the front end frame 13 in the clamping process is limited, and when the front end frame 13 is clamped at the top of the positioning clamping fixture 14, the nut installation area is ensured to be completely exposed at the top, and the control mechanism 2 is directly controlled by the first robot 3, and the first robot 3 is controlled by a program, so that the rivet gun 12 on the control mechanism 2 can control rivets to be perpendicular to a riveting area on the front end frame 13 in the riveting process;

secondly, the front end frame 13 on the conveying line is clamped to the top of the positioning clamping fixture 14 by the first workpiece taking fixture 1, so that the front end frame 13 is clamped by the positioning clamping fixture 14 to wait for nut riveting, and the front end frame 13 for completing nut riveting work is dismounted from the top of the positioning clamping fixture 14, thereby ensuring automatic feeding and discharging without personnel participation and having higher efficiency;

the nut arranging mechanism 6 is positioned at one corner of the workbench 8, the swing nail robot 7 is positioned at the center of one edge of the workbench 8, the nut arranging mechanism 6 is used for receiving rivets and nuts transferred by the second workpiece taking jig 9 and arranging the rivets and the nuts in a vibration mode of a vibration disc, so that the rivets and the nuts are arranged in order, the swing nail robot 7 can conveniently take down the nuts with the rivets from the top of the nut arranging mechanism 6, transfer the nuts to the front end frame 13 clamped at the top of the positioning clamping fixture 14, wait for subsequent riveting and fixing the nuts;

the control mechanism 2 comprises a carriage 202, a hydraulic cylinder 204 is arranged at the top of one side of the carriage 202, a rivet gun 12 is arranged at the bottom of one side of the carriage 202, two sliding blocks 203 are connected on one surface of one end of the carriage 202 in a fitting manner, and a fixing frame 201 is connected on the surface of the other end of the carriage 202 in a fitting manner;

the fixing frame 201 and the two sliding blocks 203 are positioned on the same side, the rivet gun 12 is connected in an assembled mode in the fixing frame 201, the movable end of the hydraulic cylinder 204 is connected with a connecting block 208 in an assembled mode, the connecting block 208 is positioned between the two sliding blocks 203 and is assembled and fixed with the sliding frame 202, when the rivet gun 12 is controlled by the hydraulic cylinder 204, the connecting block 208, the sliding frame 202 and the fixing frame 201 to perform riveting operation, the rivet gun 12 can be moved from the top to the bottom, a rivet rod connected with a nut is inserted into a small hole at the bottom of the rivet gun 12, and the subsequent riveting is waited for, so that the rivet rod is separated from the inside of a nail head;

secondly, the fixed end of pneumatic cylinder 204 is fixedly connected with bottom plate 207, the expansion end of pneumatic cylinder 204 passes from the inside of bottom plate 207, the bottom assembly type of bottom plate 207 one end is connected with support frame 205, the fixed surface of support frame 205 one side is connected with adapter 206, one side assembly type of support frame 205 is connected with two draw bars 209, connecting block 208 movable connection is between two draw bars 209, through the in-process at pneumatic cylinder 204 control balladeur train 202 up-and-down activity, make slider 203 slidingtype connection in the outside of draw bar 209, can guarantee that balladeur train 202 drives the inside rivet gun 12 steady motion of mount 201.

According to the automatic riveting device for the front end frame, the front end frame 13 of a nut to be installed is clamped and fixed by the positioning clamping fixture 14 with a profiling design, the whole appearance of the front end frame 13 is attached to the positioning part of the positioning clamping fixture 14, stability can be guaranteed after the front end frame 13 is clamped, meanwhile, the rivet and the nut are fixed on the nut in advance by the single-station nut feeding mechanism 10, the nut with the rivet is transferred to one side of the nut arranging mechanism 6 by the second robot 11 and the second workpiece taking fixture 9, after the nut arranging mechanism 6 is arranged in an arranging mode, the nut with the rivet is installed in a nut installation area on the front end frame 13 by the swinging robot 7, the rivet rod is inserted into the rivet gun 12 through the hydraulic cylinder 204, the sliding frame 202 and the fixing frame 201, after the rivet gun 12 is riveted, the rivet is vertical to the installation area of the nut on the front end frame 13 can be guaranteed, after the rivet is fixed on the front end frame 13, the rivet is enabled to be adjusted in a follow-up mode.

Example 2:

on the basis of embodiment 1, as shown in fig. 5 and 7-9, the embodiment is a specific structure of a rivet gun 12, the rivet gun 12 comprises a gun body 1201, a guide table 1203 is fixedly connected to the top end of the gun body 1201, a rear cover 1202 is assembled and connected to the top of the gun body 1201, the guide table 1203 is sleeved on the inner side of the rear cover 1202, a guide pipe 1207 is integrally formed on one side of the rear cover 1202, one end of the guide pipe 1207 is fixedly connected with a adapter pipe head 1208, a first short pipe 1204 is arranged on one side of the adapter pipe head 1208, a second short pipe 1205 is arranged on one side of the first short pipe 1204, and a discharge pipe 15 is connected to one end of the second short pipe 1205 in a threaded manner;

wherein, the guide tube 1207 is a conical tube, the top of the guide table 1203 is provided with an inclined plane inclined to the inside of the guide tube 1207, when the rivet gun 12 completes the riveting work to fix the rivet head and the front end frame 13, the rivet rod is guided by the inclined plane at the top of the guide table 1203 to slide into the inside of the guide tube 1207 when sucked into the inside of the rivet gun 12, meanwhile, because the guide tube 1207 is a conical tube, the rivet rod can still smoothly enter the inside of the guide tube 1207 from the rear cover 1202 when the rivet gun 12 inclines left and right;

secondly, a connecting component 16 is arranged between the adapter tube head 1208 and the first short tube 1204 and between the first short tube 1204 and the second short tube 1205, the connecting component 16 comprises shaft rods 1602, the two shaft rods 1602 respectively penetrate through the second blocking cap 1209 and the first blocking cap 1206 and are pinned in the adapter tube head 1208, one end of the adapter tube head 1208 is sleeved in the first short tube 1204, one end of the first short tube 1204 is sleeved in the second short tube 1205, and the two connecting components 16 are mutually perpendicular, so that the first short tube 1204 and the second short tube 1205 can work by simulating a universal joint, and when the rivet gun 12 inclines, the vertical orientation of a discharge tube 15 connected to one end of the second short tube 1205 can be ensured;

meanwhile, the discharging pipe 15 needs to be fixed in the area between the bracket 4 and the first robot 3 according to actual conditions, one end of the discharging pipe is close to the ground, so that a rivet rod guided into the guide pipe 1207 by the inclined surface at the top of the guide table 1203 can enter the discharging pipe 15 to be discharged from the inside of the switching pipe head 1208, the first short pipe 1204 and the second short pipe 1205, and a connecting area between the discharging pipe 15 and the second short pipe 1205 needs to be ensured to have enough length for the first robot 3 to drive the rivet gun 12 to move through the control mechanism 2;

furthermore, in order to control the fixed clearance between the inner wall of the first stub 1204 and the outer wall of the adapter tube 1208 and between the outer wall of the first stub 1204 and the inner wall of the first blocking cap 1206, plastic sleeves 1601 are sleeved outside the two ends of the shaft rod 1602, two plastic sleeves 1601 on one shaft rod 1602 are positioned between the inner wall of the second blocking cap 1209 and the outer wall of the adapter tube 1208, and two plastic sleeves 1601 on the other shaft rod 1602 are positioned between the outer wall of the first stub 1204 and the inner wall of the first blocking cap 1206, so as to ensure that the second blocking cap 1209 and the first blocking cap 1206 rotate around the two shaft rods 1602 stably;

further, in order to prevent the rivet stem from being separated from between the inner wall of the first stub pipe 1204 and the outer wall of the adapter pipe head 1208 and the outer wall of the first stub pipe 1204 and the inner wall of the second stub pipe 1205, a second blocking cap 1209 is provided at one end of the adapter pipe head 1208, a first blocking cap 1206 is provided at one end of the first stub pipe 1204, and the second blocking cap 1209 and the first blocking cap 1206 are provided as a round-table rubber sleeve, so that the periphery of one side of the second blocking cap 1209 is attached to the inner wall of the first stub pipe 1204, and the periphery of one side of the first blocking cap 1206 is attached to the outer wall of the second stub pipe 1205, thereby forming a blocking in the corresponding space.

According to the front end frame automatic riveting device, the guide table 1203 at the top of the gun body 1201 is arranged to be an inclined plane, the rear cover 1202 assembled with the gun body 1201 is arranged outside the guide table 1203, when the gun body 1201 completes riveting operation and a rivet rod is sent into the rear cover 1202, the rivet rod is guided into the guide pipe 1207 by the guide table 1203, the first short pipe 1204 and the second short pipe 1205 are bent towards the bottom by the gravity of the discharge pipe 15, the rivet rod can pass through the inside of the adapter pipe head 1208, the first short pipe 1204 and the second short pipe 1205, and can be discharged from the top of the discharge pipe 15 to the bottom, so that the gun body 1201 can be ensured to continuously perform riveting operation, and the problem that in the prior art, after enough rivet heads are collected in the rear cover 1202, the gun body 1201 can be poured out in time to continue riveting operation is solved.

When the rivet rod is discharged from the guide tube 1207 into the discharge tube 15 through the adapter tube head 1208, the first short tube 1204 and the second short tube 1205, the gap between the inner wall of the first short tube 1204 and the adapter tube head 1208 is blocked by the second blocking cap 1209 connected to one end of the adapter tube head 1208, the gap between the inner wall of the second short tube 1205 and the outer wall of the first short tube 1204 is blocked by the first blocking cap 1206 connected to one end of the first short tube 1204, and the rivet rod is prevented from falling out from the interiors of the first short tube 1204 and the second short tube 1205 during the movement of the rivet gun 12;

meanwhile, as the connection between the first stub pipe 1204 and the adapter pipe head 1208 and the connection between the second stub pipe 1205 and the first stub pipe 1204 are completed through the shaft rod 1602, the plastic sleeve 1601 sleeved at the two ends of one shaft rod 1602 is supported between the adapter pipe head 1208 and the second blocking cap 1209, the plastic sleeve 1601 sleeved at the two ends of the other shaft rod 1602 is supported between the first stub pipe 1204 and the first blocking cap 1206, the second blocking cap 1209 can be ensured to stably rotate around the shaft rod 1602 outside the adapter pipe head 1208, and the first blocking cap 1206 stably rotates outside one end of the first stub pipe 1204.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present application and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present application.

Claims (10)

1. An automatic front end frame riveting device, comprising:

a first pick-up jig (1) for loading and unloading a front end frame (13) to be processed;

a control mechanism (2) for controlling the riveting portion to perform riveting work on the front end frame (13);

a second pick-up jig (9) for collating nuts and rivets to be fed into the system, pre-fixing the nuts and rivets;

a single-station nut feed mechanism (10) for providing rivet material and nut material to the system;

one side of the control mechanism (2) is provided with a first robot (3), one side of the second piece taking tool (9) is provided with a second robot (11), one side of the first piece taking tool (1) is provided with a third robot, the control mechanism (2) and the second piece taking tool (9) are located between the first piece taking tool (1) and the single-station nut feeding mechanism (10), and the front end frame (13) is clamped at the bottom of the first piece taking tool (1).

2. An automatic front end frame riveting apparatus as defined in claim 1, wherein: one side of first robot (3) and second robot (11) is provided with support (4), the fixed workstation (8) that is connected with in top of support (4), the top assembly type of workstation (8) is connected with location mould (14), location mould (14) adopt profile modeling design with front end frame (13) centre gripping in the top of location mould (14).

3. An automatic front end frame riveting apparatus as defined in claim 2, wherein: the first pick-up jig (1) clamps the front end frame (13) on the conveying line to the top of the positioning jig (14), so that the front end frame (13) is clamped by the positioning jig (14) to wait for nut riveting, and the front end frame (13) for completing nut riveting work is dismounted from the top of the positioning jig (14).

4. An automatic front end frame riveting apparatus as defined in claim 2, wherein: the utility model provides a work bench (8) keep away from the corner assembled of first robot (3) and second robot (11) one side and be connected with extension board (5), the top assembled of extension board (5) one side is connected with nut arrangement mechanism (6), the top assembled of extension board (5) opposite side is connected with pendulum nail robot (7), nut arrangement mechanism (6) are located the corner of work bench (8), pendulum nail robot (7) are located the center department on one limit of work bench (8), nut arrangement mechanism (6) are used for taking rivet and the nut that second piece smelting tool (9) shifted to arrange neatly through the mode of vibration dish vibration, the nut that has the rivet is taken off from the top of nut arrangement mechanism (6) to pendulum nail robot (7).

5. An automatic front end frame riveting apparatus as defined in claim 1, wherein: the control mechanism (2) comprises a sliding frame (202), a hydraulic cylinder (204) is arranged at the top of one side of the sliding frame (202), a rivet gun (12) is arranged at the bottom of one side of the sliding frame (202), two sliding blocks (203) are connected with one surface assembly type of one end of the sliding frame (202), a fixing frame (201) is connected with the surface assembly type of the other end of the sliding frame (202), the fixing frame (201) and the two sliding blocks (203) are located on the same side, the rivet gun (12) is connected with the inside of the fixing frame (201) in an assembly type, a connecting block (208) is connected with the movable end of the hydraulic cylinder (204) in an assembly type, and the connecting block (208) is located between the two sliding blocks (203) and is assembled and fixed with the sliding frame (202).

6. The automatic front end frame riveting device according to claim 5, wherein: the fixed end of pneumatic cylinder (204) is fixedly connected with bottom plate (207), the movable end of pneumatic cylinder (204) passes from the inside of bottom plate (207), the bottom assembly type of bottom plate (207) one end is connected with support frame (205), the fixed surface of support frame (205) one side is connected with adapter (206), the one side assembly type of support frame (205) is connected with two draw runner (209), connecting block (208) swing joint is between two draw runner (209), slider (203) sliding connection is in the outside of draw runner (209).

7. The automatic front end frame riveting device according to claim 5, wherein: the rivet gun (12) comprises a gun body (1201), a guide table (1203) is fixedly connected to the top end of the gun body (1201), a rear cover (1202) is assembled at the top of the gun body (1201), the guide table (1203) is sleeved on the inner side of the rear cover (1202), a guide pipe (1207) is integrally formed on one side of the rear cover (1202), the guide pipe (1207) is a conical pipe, and an inclined surface inclined towards the inside of the guide pipe (1207) is processed at the top of the guide table (1203).

8. The automatic front end frame riveting device as claimed in claim 7, wherein: one end of guide pipe (1207) is fixedly connected with adapter tube head (1208), one side of adapter tube head (1208) is provided with first nozzle stub (1204), one side of first nozzle stub (1204) is provided with second nozzle stub (1205), the one end screw thread of second nozzle stub (1205) is connected with row material pipe (15), all be provided with coupling assembling (16) between adapter tube head (1208) and first nozzle stub (1204) and second nozzle stub (1205), the inside at first nozzle stub (1204) is cup jointed to one end of adapter tube head (1208), the inside at second nozzle stub (1205) is cup jointed to one end of first nozzle stub (1204), two coupling assembling (16) mutually perpendicular set up.

9. The automatic front end frame riveting device as claimed in claim 8, wherein: the connecting assembly (16) comprises a shaft lever (1602), wherein the two shaft levers (1602) respectively penetrate through the second blocking cap (1209) and the first blocking cap (1206) and are in pin joint with the inside of the adapter tube head (1208), plastic sleeves (1601) are connected to the outside of two ends of the shaft lever (1602) in a sleeved mode, two plastic sleeves (1601) on one shaft lever (1602) are located between the inner wall of the second blocking cap (1209) and the outer wall of the adapter tube head (1208), and two plastic sleeves (1601) on the other shaft lever (1602) are located between the outer wall of the first short tube (1204) and the inner wall of the first blocking cap (1206).

10. The automatic front end frame riveting device as claimed in claim 8, wherein: one end of adapter tube head (1208) is provided with second and blocks cap (1209), the one end of first nozzle stub (1204) is provided with first blocking cap (1206), second blocks cap (1209) and first blocking cap (1206) are round platform rubber sleeve, the second blocks cap (1209) one side all around and laminating mutually with the inner wall of first nozzle stub (1204), first blocking cap (1206) one side all around and laminating mutually with the outer wall of second nozzle stub (1205).