Automobile frame airplane beam riveting system

Abstract

The invention relates to a riveting system for an airplane beam of an automobile frame. The riveting system comprises a first general riveting station, a second general riveting station and an off-line station which are arranged in sequence, the first main riveting station is used for transferring, positioning, overturning, mounting and riveting the cross beam and the bracket to form a back-to-back cross beam assembly; the second main riveting station is used for transferring, positioning, shifting, mounting and riveting connecting plates related to the back-to-back cross beam assembly to form an aircraft beam assembly; the off-line station is used for storing the aircraft beam assembly; the automation and intelligence degree of the airplane beam production process is improved, the labor intensity of personnel is reduced, and the product machining quality and the production efficiency are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile manufacturing, and particularly to an automobile frame aircraft beam riveting system. Background Art

[0002] At the present stage, the processing of the aircraft beam products of the heavy-duty automobile frame assembly is divided into two processes. The first process is to rivet the back-to-back crossbeams, and the second process is to rivet the connecting plates. During the assembly process, the parts and the aircraft beam assembly are manually carried for picking up and turning over, with a large labor intensity. Moreover, the processing process is all manual free riveting, and there are large dimensional deviations between the products of the same batch within the tolerance range, and the processing capacity needs to be further improved. With the advancement of the overall frame electrophoresis to the loose parts electrophoresis process mode, the incoming state of the parts is all black paint parts, which brings more pressure to the traditional processing methods in aspects such as product processing and transportation. Summary of the Invention

[0003] The purpose of the present invention is to provide an automobile frame aircraft beam riveting system in view of the deficiencies of the prior art, which solves the problems of large manual riveting intensity, low quality and low efficiency of the existing frame aircraft beams.

[0004] The present invention is implemented by adopting the following technical solutions:

[0005] An automobile frame aircraft beam riveting system includes a first general riveting station, a second general riveting station and a offline station arranged in sequence;

[0006] The first general riveting station is used for transporting, positioning, flipping, installing and riveting the crossbeam and the bracket to form a back-to-back crossbeam assembly;

[0007] The second general riveting station is used for transporting, positioning, repositioning, installing and riveting the connecting plates related to the back-to-back crossbeam assembly to form an aircraft beam assembly;

[0008] The offline station is used for storing the aircraft beam assembly.

[0009] As a further description of the invention, the first general riveting station includes a flipping station, a first transfer sling and a first positioning fixture;

[0010] The flipping station includes a first sub-assembly platform and flipping motors arranged at both ends of the first sub-assembly platform for flipping the first sub-assembly platform;

[0011] The first transfer sling is provided with a first electric balance hoist sliding on the top rail of the workshop, which is used for transporting the crossbeam and the bracket to the first sub-assembly platform and for transporting the back-to-back crossbeam assembly out of the first sub-assembly platform;

[0012] The first positioning fixture is provided with a plurality of clamping cylinders for fixing the relative positions of the crossbeam and the bracket on the first sub-assembly platform.

[0013] As a further description of the invention, the second general riveting station includes a robot station, a second sub-assembly platform, a second transfer sling, and a second positioning fixture;

[0014] A second electric balance hoist sliding on the top rail of the factory building is provided on the second transfer sling, and is used to transfer the back-to-back beam assembly and the connecting plate to the second sub-assembly platform;

[0015] A plurality of clamping pliers for fixing the relative positions of the back-to-back beam assembly and the connecting plate are provided on the second positioning fixture;

[0016] The robot station includes a three-axis horizontal turntable and a riveting robot provided on one side of the three-axis horizontal turntable for riveting the back-to-back beam assembly and the connecting plate.

[0017] As a further description of the invention, it further includes a transition station; the transition station includes a roller conveyor platform.

[0018] As a further description of the invention, it further includes an identification station; a label printer for identifying the aircraft beam assembly is provided on the identification station.

[0019] As a further description of the invention; it further includes a controller; the reversing motor, the first electric balance hoist, the clamping cylinder, the second electric balance hoist, the three-axis horizontal turntable, the riveting robot, and the label printer are all controlled and connected by the controller.

[0020] Compared with the prior art, the present invention has the following beneficial technical effects:

[0021] The present invention is applied to the production of aircraft beams for heavy truck frames. By setting up the first general riveting station, the second general riveting station, the transition station, and the offline station, compared with the traditional manual free riveting production mode, the present invention improves the automation and intelligence level of the aircraft beam production process, reduces the labor intensity of personnel, and improves the product processing quality and production efficiency. Description of the Drawings

[0022] Figure 1 is the top view of the present invention;

[0023] Figure 2 is the schematic diagram of the top rail of the factory building of the present invention;

[0024] Figure 3 is the top view of the first general riveting station, the identification station, and the transition station of the present invention;

[0025] Figure 4 is the top view of the second general riveting station and the offline station of the present invention;

[0026] Figure 5It is the top view of the robotic workstation of the present invention.

[0027] In the figure, 100 is the first general riveting workstation; 200 is the second general riveting workstation; 300 is the transition workstation; 400 is the offline workstation; 500 is the top rail of the workshop.

[0028] 110 is the first transfer sling; 120 is the flipping workstation; 130 is the first positioning fixture; 140 is the crossbeam; 150 is the bracket; 160 is the back-to-back crossbeam assembly; 170 is the marking workstation; 180 is the first sub-assembly platform.

[0029] 210 is the second transfer sling; 220 is the second positioning fixture; 230 is the connecting plate; 240 is the three-axis horizontal positioner; 250 is the riveting robot; 260 is the second sub-assembly platform.

[0030] 310 is the roller conveyor platform.

[0031] 410 is the aircraft beam assembly. Detailed implementation manners

[0032] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0033] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0034] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0035] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] As Figures 1-5 shown, an automotive frame aircraft beam riveting system includes a first general riveting station 100, a second general riveting station 200, and a offline station 400 arranged in sequence;

[0037] The first general riveting station 100 is used for transporting, positioning, flipping, installing, and riveting the cross beam 140 and the bracket 150 to form a back-to-back cross beam assembly 160;

[0038] The second general riveting station 200 is used for transporting, positioning, repositioning, installing, and riveting the connecting plate 230 related to the back-to-back cross beam assembly 160 to form an aircraft beam assembly 410;

[0039] The offline station 400 is used for storing the aircraft beam assembly 410.

[0040] As Figure 2 , 3 shown, the first general riveting station 100 includes a flipping station 120, a first transfer sling 110, and a first positioning fixture 130;

[0041] The flipping station 120 includes a first sub-assembly platform 180 and flipping motors arranged at both ends of the first sub-assembly platform 180 for flipping the first sub-assembly platform; the flipping station 120 is mainly used for riveting the upper and lower planes of the cross beam 140 and the bracket 150;

[0042] The first transfer sling 110 is provided with a first electric balance hoist that slides on the factory roof rail 500, and is used for transferring the cross beam 140 and the bracket 150 onto the first sub-assembly platform and for transferring the back-to-back cross beam assembly 160 out of the first sub-assembly platform 180; preferably, the first electric balance hoist can adopt the intelligent balance hoist AI-H series;

[0043] The first positioning fixture 130 is provided with a plurality of clamping cylinders for fixing the relative positions of the cross beam 140 and the bracket 150 on the first sub-assembly platform 180; preferably, four clamping cylinders are provided, which are respectively arranged at the four corners of the first sub-assembly platform 180 for clamping and fixing the two cross beams back to back.

[0044] As Figure 2 , 4, as shown in Fig. 5, the second total riveting station 200 includes a robotic station, a second sub-assembly platform 260, a second transfer sling 210, and a second positioning fixture 220;

[0045] A second electric balance hoist that slides on the roof rail 500 of the factory building is provided on the second transfer sling 210, which is used to transfer the back-to-back beam assembly 160 and the connecting plate 230 to the second sub-assembly platform 260; preferably, the second electric balance hoist can adopt the intelligent balance hoist AI-H series model;

[0046] A plurality of clamping pliers for fixing the relative positions of the back-to-back beam assembly 160 and the connecting plate 230 are provided on the second positioning fixture 220; preferably, there are four clamping pliers, which are respectively arranged at the connection between the back-to-back beam assembly 160 and the connecting plate 230 for clamping and fixing.

[0047] As Figure 5 shown, the robotic station includes a three-axis horizontal turntable 240 and a riveting robot 250 provided on one side of the three-axis horizontal turntable 240 for riveting the back-to-back beam assembly 160 and the connecting plate 230; preferably, the three-axis horizontal turntable 240 can adopt the STP three-axis horizontal turntable series model; the riveting robot 250 can adopt a riveting robotic arm controlled by a riveting system.

[0048] As Figure 3 shown, it further includes a transition station 300; the transition station 300 includes a roller conveyor platform 310.

[0049] As Figure 1 、 3 shown, it further includes an identification station 170; a label printer for identifying the aircraft beam assembly 410 is provided on the identification station 170; the label printed by the label printer can be pasted on the aircraft beam assembly 410 for product traceability.

[0050] It further includes a controller; the flip motor, the first electric balance hoist, the clamping cylinder, the second electric balance hoist, the three-axis horizontal turntable 240, the riveting robot 250, and the label printer are all controlled and connected by the controller.

[0051] Working principle of the present invention: The operator is located in the operation area. After the materials are delivered to the first general riveting station 100, the crossbeam 140 is lifted by the first electric balance crane and placed back-to-back in the first sub-assembly platform 180 according to the tooling positioning points respectively. After being placed in place, the clamping cylinder is started to clamp and fix the workpiece to be processed. Then, the operator manually inserts the back-to-back crossbeam connecting rivets and rivets them. After completing the back-to-back crossbeam riveting, the bracket 150 is taken and placed in the crossbeam 140, and the upper plane rivets are manually inserted and riveted. After completing the upper plane riveting, the flipping motor is started to drive the back-to-back crossbeam to flip to the lower plane, and then the operations of inserting and riveting the nails are repeated. After completing the lower plane riveting, the flipping motor is started to return the tooling to the original position, the clamping cylinder is released, and the processed back-to-back crossbeam assembly 160 is lifted out and slid to the second general riveting station 200 by means of the self-gravity of the workpiece.

[0052] Operators A and B are respectively located in their respective operation areas. After the materials are delivered to the second general riveting station 200, operator A lifts the back-to-back crossbeam assembly 160 to the second sub-assembly platform 260 for sub-assembly with the connecting plate 230 and clamps it with a clamping pliers. A and B cooperate to place it on the three-axis horizontal positioner 240. Then, the rivets are respectively inserted into the upper and lower surfaces of the workpiece and the cover plate is pressed. Then, after the personnel move to the safe area, the three-axis horizontal positioner 240 is started. At this time, the three-axis horizontal positioner 240 rotates into the working area and the riveting robot 250 rivets the workpiece according to the pre-programmed procedure. Operators A and B repeat the above process to complete the placement of the workpiece, and the workpiece processing can be carried out continuously. After the riveting robot 250 completes the riveting work, operator B unloads the processed workpiece and places it in the workbench fixture at the offline station 400 in sequence. Thus, a cycle process of aircraft beam riveting is completed.

[0053] The above-given embodiments are the preferred examples for implementing the present invention, and the present invention is not limited to the above embodiments. Any non-essential addition or replacement made by those skilled in the art according to the technical features of the technical solution of the present invention shall fall within the protection scope of the present invention.

Claims

1. A riveting system for automobile frames and aircraft beams, characterized in that: It includes a first general riveting station (100), a second general riveting station (200) and a offline station (400) arranged in sequence; The first general riveting station (100) is used for transporting, positioning, flipping, installing and riveting a cross beam (140) and a bracket (150) to form a back-to-back cross beam assembly (160); The second general riveting station (200) is used for transporting, positioning, displacing, installing and riveting a connecting plate (230) related to the back-to-back cross beam assembly (160) to form an aircraft beam assembly (410); The offline station (400) is used for storing the aircraft beam assembly (410).

2. The automobile frame and aircraft beam riveting system according to claim 1, characterized in that The first general riveting station (100) includes a flipping station (120), a first transfer sling (110) and a first positioning fixture (130); The flipping station (120) includes a first sub-assembly platform (180) and flipping motors arranged at both ends of the first sub-assembly platform (180) for flipping the first sub-assembly platform; A first electric balance hoist sliding on the factory roof rail (500) is arranged on the first transfer sling (110), which is used for transporting the cross beam (140) and the bracket (150) to the first sub-assembly platform and for transporting the back-to-back cross beam assembly (160) out of the first sub-assembly platform (180); A plurality of clamping cylinders for fixing the relative positions of the cross beam (140) and the bracket (150) on the first sub-assembly platform (180) are arranged on the first positioning fixture (130).

3. The automobile frame and aircraft beam riveting system according to claim 2, characterized in that: The second general riveting station (200) includes a robot station, a second sub-assembly platform (260), a second transfer sling (210) and a second positioning fixture (220); A second electric balance hoist sliding on the factory roof rail (500) is arranged on the second transfer sling (210), which is used for transporting the back-to-back cross beam assembly (160) and the connecting plate (230) to the second sub-assembly platform (260); A plurality of clamping pliers for fixing the relative positions of the back-to-back cross beam assembly (160) and the connecting plate (230) are arranged on the second positioning fixture (220); The robot station includes a three-axis horizontal displacer (240) and a riveting robot (250) arranged on one side of the three-axis horizontal displacer (240) for riveting the back-to-back cross beam assembly (160) and the connecting plate (230).

4. The automobile frame and aircraft beam riveting system according to claim 3, characterized in that: It further includes a transition station (300); the transition station (300) includes a roller conveyor platform (310).

5. The automobile frame and aircraft beam riveting system according to claim 4, wherein It further includes an identification station (170); a label printer for identifying the aircraft beam assembly (410) is arranged on the identification station (170).

6. The automobile frame and aircraft beam riveting system according to claim 5, characterized in that; It further includes a controller; the flipping motor, the first electric balance hoist, the clamping cylinder, the second electric balance hoist, the three-axis horizontal displacer (240), the riveting robot (250) and the label printer are all controlled and connected by the controller.

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