CN116495057B - Frame assembly and production process - Google Patents

Frame assembly and production process Download PDF

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Publication number
CN116495057B
CN116495057B CN202310618555.1A CN202310618555A CN116495057B CN 116495057 B CN116495057 B CN 116495057B CN 202310618555 A CN202310618555 A CN 202310618555A CN 116495057 B CN116495057 B CN 116495057B
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China
Prior art keywords
assembly
frame
manipulator
chassis
side plate
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CN202310618555.1A
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CN116495057A (en
Inventor
叶克表
何柳洋
洪炜迪
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Hangzhou Forklift Plate Welding Co ltd
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Hangzhou Forklift Plate Welding Co ltd
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Priority to CN202310618555.1A priority Critical patent/CN116495057B/en
Publication of CN116495057A publication Critical patent/CN116495057A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The application relates to the technical field of automobile production, in particular to a frame assembly and a production process, wherein the frame assembly comprises a chassis longitudinal beam, a chassis cross beam, a frame front assembly and a frame rear assembly, and in the process of producing the frame assembly, the frame assembly structure is effectively decomposed into a plurality of different parts, and then the parts are combined and assembled in sequence, so that the structure of the frame assembly is effectively combined with a robot in engineering for use; meanwhile, through the arrangement of six steps of S1, S2, S3, S4, S5 and S6, the welding assembly of the frame assembly can be realized. The welding robot has the advantages that the problem that the frame assembly is difficult to effectively combine the structure of the frame assembly with the robot for use in the welding process in the related art is solved to a certain extent, and the production efficiency is difficult to effectively improve on the premise of guaranteeing the welding precision and reliability.

Description

Frame assembly and production process
Technical Field
The application relates to the technical field of automobile production, in particular to a frame assembly and a production process.
Background
With the high-speed development of economy in China, automobiles become a common transportation tool in daily commute of people, and most of automobiles are provided with frames serving as whole automobile frameworks, and most parts and assemblies of automobiles are fixed through the frames, such as an engine, a transmission system, a suspension, a steering system, a cab, a container and related operating mechanisms. The frame plays a role in supporting and connecting various parts of the automobile and bears various loads from the inside and the outside of the automobile.
In the related art, the frame assembly is welded and produced by adopting a production line of random welding generally in the welding process, and simultaneously, the ideal state of mass production, one-time clamping and multiple welding can be realized by combining a robot welding technology, so that the production efficiency of the frame assembly is improved.
However, in view of the above-mentioned related art, there is a problem that it is difficult to effectively combine the structure of the frame assembly with the robot for use in the welding process of the frame assembly, and thus it is difficult to effectively improve the production efficiency on the premise of ensuring the welding accuracy and reliability.
Disclosure of Invention
In order to solve the problem that the frame assembly is difficult to effectively combine the structure of the frame assembly with a robot for use in the welding process in the related art, and further the production efficiency is difficult to effectively improve on the premise of ensuring the welding precision and reliability, the application provides a frame assembly and a production process.
The application provides a frame assembly and production technology adopts following technical scheme:
in a first aspect, the present application provides a frame assembly comprising:
the chassis longitudinal beams are arranged in a spacing mode, a side plate assembly is arranged on each chassis longitudinal beam, and a plurality of functional pieces are prefabricated on each side plate assembly;
the chassis cross beams are arranged between the two chassis longitudinal beams, the chassis cross beams are mutually perpendicular to the chassis longitudinal beams, a plurality of chassis cross beams are arranged, and the plurality of chassis cross beams are arranged in parallel at intervals;
the frame rear assembly is welded between the two side plate assemblies; and
the front frame assembly is welded at one end of the two side plates, which is far away from the rear frame assembly.
Through adopting above-mentioned technical scheme, set up chassis longeron, chassis crossbeam, frame rear assembly, the combination of frame front assembly with the frame assembly, in-process of production, weld chassis crossbeam and chassis longeron together earlier, after the welding, weld frame rear assembly and frame front assembly in proper order on the curb plate assembly of chassis longeron, compare with relevant technique, this application is divided into a plurality of modules with the frame assembly effectively, according to the division of module again, earlier process each module in proper order again, weld between module and the module again after finishing, combine together the application with the work of robot with the structure of frame assembly self effectively, thereby the structure and the robot of frame assembly are difficult to combine the application with the frame assembly effectively in the in-process of welding among the relevant technique have been solved to a certain extent.
Optionally, the frame rear assembly includes first rear assembly, second rear assembly, U type connecting piece and frame rear pre-assembly, first rear assembly with second rear assembly parallel interval sets up, first rear assembly welding is in one the curb plate assembly of chassis longeron, second rear assembly welding is another the curb plate assembly of chassis longeron, first rear assembly with second rear assembly sets up along the axis symmetry of two chassis longeron, the one end welding of U type connecting piece is in on the first rear assembly, the other end welding of U type connecting piece is in on the second rear assembly, frame rear pre-assembly simultaneously with first rear assembly, second rear assembly and U type connecting piece welding.
Through adopting above-mentioned technical scheme, set up frame rear assembly into the combination of first rear assembly, second rear assembly, U type connecting piece and frame rear pre-assembly for at the in-process of welding frame rear assembly, only need use robot transport in proper order and welding first rear assembly, second rear assembly, U type connecting piece and rear pre-assembly, can realize the welding to frame rear assembly, and the pre-installation has all kinds of work pieces that need pre-installation on the rear pre-assembly, thereby make rear pre-assembly welded the back, do not need to process frame rear assembly again, the negative influence of excessive welding to frame assembly wholeness in the course of working has been reduced to a certain extent, frame assembly's production efficiency has also been strengthened effectively simultaneously.
Optionally, the hoist box is preassembled on the rear package of the frame, one end of the hoist box is detachably connected to the rear package, the other end of the hoist box is fixedly connected with a lifting lug, and the lifting lug is used for hoisting the rear assembly of the frame.
Through adopting above-mentioned technical scheme, the setting of hanging box for when want to weld frame rear assembly, only need through the lug, with frame rear assembly carry out whole hoist and mount welding can, hanging box and lug's setting, the effectual in-process frame rear assembly of welding frame rear assembly that has reduced takes place the possibility of deformation because of hoist and mount.
Optionally, the front assembly of frame includes first front assembly, second front assembly and front of frame pre-assembly, first front assembly with the parallel interval of second front assembly sets up, first front assembly welds on one the curb plate assembly of chassis longeron, second front assembly welds on another the curb plate assembly of chassis longeron, first front assembly with second front assembly sets up along two the axis symmetry of chassis longeron, front of frame pre-assembly is provided with two, two front of frame pre-assembly welds respectively on first front assembly with the second front assembly, two front of frame pre-assembly sets up along two the axis symmetry of chassis longeron.
By adopting the technical scheme, the front frame assembly is arranged into the combination of the first front component, the second front component and the front frame pre-assembly, so that when the front frame assembly is to be welded, the front frame assembly can be welded and installed only by sequentially welding the first front component, the second front component and the front pre-assembly, and meanwhile, the front frame pre-assembly is prefabricated in advance, so that excessive processing is not needed for the front frame assembly in the later stage, and the possibility that the front frame assembly is damaged due to the fact that parts are to be installed on the front frame assembly in the later stage is reduced to a certain extent.
Optionally, the front pre-assembly of the frame is provided with plug holes, the plug holes on the front pre-assembly of the frame are symmetrically arranged along the central axes of the chassis longitudinal beams, the two plug holes are coaxially provided with support rods, and the support rods are detachably connected with the front pre-assembly of the frame.
Through adopting above-mentioned technical scheme, the setting of spliced eye and bracing piece for after the welding of frame front portion assembly, can be given the support by effective support pole, thereby reduced the possibility that frame front portion assembly warp to a certain extent.
In a second aspect, the present application also provides a production process for producing a vehicle frame assembly of the present application, comprising the steps of:
s1, providing a first manipulator and a second manipulator, wherein the first manipulator is used for carrying workpieces, and the second manipulator is used for welding a frame assembly;
s2, providing a chassis longitudinal beam provided with a side plate assembly, and grabbing and placing two chassis longitudinal beams on a working platform by a first manipulator;
s3, providing a chassis cross beam, grabbing and placing the chassis cross beam at a designated position by a first manipulator, and welding the chassis longitudinal beam and the chassis cross beam together by a second manipulator;
s4, providing a frame rear assembly, hoisting the frame rear assembly on a working platform and abutting against the side plate assembly;
s5, welding the side plate assembly and the frame rear assembly together by a second manipulator;
s6, providing a frame front assembly, grabbing the frame front assembly by a first manipulator, and welding the frame front assembly on a side plate assembly by a second manipulator to finish the production of the frame assembly.
Through adopting above-mentioned technical scheme, only need S1→S2→S3→S4→S5→S6 six steps, can realize the welding of the frame assembly of this application and assemble, the in-process of whole welding is assembled, the reasonable combination has been carried out first manipulator, second manipulator and frame assembly self structure effectively for the in-process of assembling the frame assembly welding, the whole process is more reasonable clear, thereby the structure and the robot combined application of frame assembly that are difficult to effectively with the frame assembly in the welded in-process in the correlation technique have been solved, and then the problem of production efficiency is effectively promoted under the prerequisite of guaranteeing welded precision and reliability is difficult to a certain extent.
Optionally, the first manipulator is a single track manipulator, the second manipulator is a fixed point manipulator, when the second manipulator welds, the first manipulator carries out the required transport of work piece in the next process simultaneously.
Through adopting above-mentioned technical scheme, set up first manipulator as single track manipulator, the second manipulator sets up to the fixed point manipulator for first manipulator can carry the required work piece of frame assembly effectively, carries out welded in-process at the second manipulator simultaneously, and first manipulator can weld the work piece, thereby has improved the efficiency that frame assembly welded and assembled effectively.
Optionally, in step S4, the step of providing the frame rear assembly and lifting the frame rear assembly specifically includes:
the method comprises the steps of providing a preassembled hanging box with lifting lugs, connecting the hanging box to the frame rear assembly, and hanging the frame rear assembly by means of mechanical hanging by means of the lifting lugs.
Through adopting above-mentioned technical scheme, at the in-process of S4, through the setting of hanging box and lug for at the in-process of installing frame rear assembly, the frame rear assembly takes place the possibility of deformation because welding when hoisting reduces greatly.
Optionally, step S6 includes providing a first front component, a second front component and a support rod, forming a socket on the first front component and the second front component, welding the first front component to one of the side plate assemblies, welding the second front component to the other side plate assembly, and passing the support rod through the socket to detachably connect the first front component and the second front component.
Through adopting above-mentioned technical scheme, in S6, after frame front assembly installs, use the supporting rod to support frame front assembly, reduced frame front assembly welding and assembled the possibility of taking place the deformation after finishing effectively.
Optionally, step S6 further includes providing two front frame packages, and mounting the two front frame packages on the first front frame package and the second front frame package, respectively, where after the first front frame package and the second front frame package are welded on the side plate assemblies, the front frame packages are abutted against the ends of the corresponding side plate assemblies.
Through adopting above-mentioned technical scheme, after welding first front portion subassembly, the front portion subassembly of second accomplish, just can make the front portion subassembly of frame and curb plate assembly butt to make the front portion subassembly of frame can be more stable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the frame assembly is arranged to be a combination of the chassis longitudinal beam, the chassis cross beam, the frame rear assembly and the frame front assembly, so that when the frame assembly is to be welded and assembled, the chassis cross beam and the chassis longitudinal beam are welded together, and after the welding is finished, the frame rear assembly and the frame front assembly are sequentially welded on the side plate assembly of the chassis longitudinal beam.
2. Through the arrangement of six steps of S1, S2, S3, S4, S5 and S6, the welding assembly of the frame assembly can be realized, and the structures of the first manipulator, the second manipulator and the frame assembly are effectively and reasonably combined in the whole welding assembly process, so that the whole process is more reasonable and clear compared with the related technology in the welding assembly process of the frame assembly;
3. through be provided with the setting of a plurality of spliced eyes on every frame front portion pre-assembly for in S6, firstly, the staff can set up the bracing piece according to the position that frame front portion assembly easily warp, thereby has further reduced the frame front portion assembly and has welded the possibility of deformation after assembling, secondly, can guarantee the axiality of frame assembly effectively to a certain extent.
Drawings
Fig. 1 is a schematic structural diagram of a chassis longitudinal beam and a chassis transverse beam of a frame assembly according to an embodiment of the present application after connection.
FIG. 2 is a schematic illustration of a rear frame assembly of a frame assembly according to an embodiment of the present application.
FIG. 3 is a schematic illustration of a frame front assembly of a frame assembly according to an embodiment of the present application.
Fig. 4 is a schematic diagram of the overall structure of a frame assembly according to an embodiment of the present disclosure after production.
Fig. 5 is a production process display diagram of a frame assembly in engineering production, mainly used for displaying positions of a first manipulator and a second manipulator according to an embodiment of the present application.
Reference numerals illustrate:
1. chassis stringers; 2. a side plate assembly; 3. a chassis cross beam; 4. a frame rear assembly; 41. a first rear assembly; 42. a second rear assembly; 43. a U-shaped connecting piece; 44. a rear frame pre-assembly; 5. hanging and boxing; 6. lifting lugs; 7. a frame front assembly; 71. a first front assembly; 72. a second front assembly; 73. front package of the frame; 8. a plug hole; 9. a support rod; 10. a first manipulator; 11. and a second manipulator.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a frame assembly and a production process.
It should be noted that, in the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
It should be noted that, for the frame assembly, which end is the front end and which end is the rear end, it is obvious to those skilled in the art, and therefore, in this application, the description of the front and rear of the frame is clear.
In a first aspect, the present application provides a frame assembly:
referring to fig. 1, 2 and 3, a frame assembly comprises a chassis longitudinal beam 1, a chassis cross beam 3, a frame front assembly 7 and a frame rear assembly 4, wherein in the process of producing the frame assembly, the frame assembly structure is effectively decomposed into a plurality of different parts, and then the parts are combined and assembled successively, so that the structure of the frame assembly is effectively combined with a robot in engineering for use, and the production efficiency is improved under the condition of ensuring the welding precision and reliability to a certain extent.
The chassis longitudinal beams 1 are arranged in two, the two chassis longitudinal beams 1 are arranged at intervals, the chassis longitudinal beams 1 are provided with side plate assemblies 2, and a plurality of functional pieces are prefabricated on the side plate assemblies 2; the chassis cross beams 3 are arranged between the two chassis cross beams 3, the chassis cross beams 3 are perpendicular to the chassis longitudinal beams 1, a plurality of chassis cross beams 3 are arranged, and the plurality of chassis cross beams 3 are arranged in parallel at intervals; the frame rear assembly 4 is used for being arranged at the rear part of the frame assembly, and the frame rear assembly 4 is welded between the two side plate assemblies 2; and a frame front assembly 7 is used for being mounted at the front part of the frame assembly, and the frame front assembly 7 is welded at one end of the two side plate assemblies 2 far away from the frame rear assembly 4.
In this embodiment, two chassis cross beams 3 are provided, and in other embodiments, according to the model of the vehicle frame, three, four, five, etc. chassis cross beams 3 may be provided. However, it should be noted that, no matter how many chassis cross members 3 are provided, in order to ensure a better stress form of the floor longitudinal members and the chassis cross members 3, the chassis cross members 3 and the chassis longitudinal members 1 should be arranged perpendicular to each other.
In addition, a plurality of functional pieces are prefabricated on the side plate assembly 2, the functional pieces are selected to be designed according to the frame of the model to be produced in the application, and meanwhile, the functional pieces are installed on the side plate assembly 2 according to the design requirements before production and processing, so that the possibility that the later-stage welding functional pieces influence the frame assembly is effectively reduced.
The frame assembly is arranged to be a combination of the chassis longitudinal beam 1, the chassis cross beam 3, the frame rear assembly 4 and the frame front assembly 7, in the production process, the chassis cross beam 3 and the chassis longitudinal beam 1 are welded together, after welding is finished, the frame rear assembly 4 and the frame front assembly 7 are sequentially welded on the side plate assembly 2 of the chassis longitudinal beam 1, compared with the related art, the frame assembly is effectively divided into a plurality of modules, each module is sequentially processed according to the division of the modules, the modules are welded together after processing, the structure of the frame assembly is effectively combined with the work of a robot, and therefore the problem that the structure of the frame assembly is difficult to effectively combine with the work of the robot in the welding process in the related art is solved to a certain extent.
Referring to fig. 2, in the embodiment of the present application, the rear frame assembly 4 includes a first rear component 41, a second rear component 42, a U-shaped connector 43 and a rear frame pre-assembly 44, where the first rear component 41 and the second rear component 42 are arranged at intervals in parallel, the first rear component 41 is welded on the side plate assembly 2 of one chassis longitudinal beam 1, the second rear component 42 is welded on the side plate assembly 2 of the other chassis longitudinal beam 1, the first rear component 41 and the second rear component 42 are symmetrically arranged along the central axes of the two chassis longitudinal beams 1, one end of the U-shaped connector 43 is welded on the first rear component 41, the other end of the U-shaped connector 43 is welded on the second rear component 42, and the rear frame component 44 is welded with the first rear component 41, the second rear component 42 and the U-shaped connector 43 at the same time.
The frame rear assembly 4 is arranged to be a combination of the first rear assembly 41, the second rear assembly 42, the U-shaped connecting piece 43 and the frame rear preassembly piece 44, so that in the process of welding the frame rear assembly 4, the welding of the frame rear assembly 4 can be realized by using a robot to carry and weld the first rear assembly 41, the second rear assembly 42, the U-shaped connecting piece 43 and the frame rear preassembly piece 44 in sequence, various workpieces needing to be preassembled are preassembled on the frame rear preassembly piece 44, after the frame rear preassembly piece 44 is welded, the frame rear assembly 4 is not required to be machined again, the negative influence of excessive welding on the overall performance of the frame assembly in the machining process is reduced to a certain extent, and meanwhile, the production efficiency of the frame assembly is effectively enhanced. In this embodiment, the use of the U-shaped connecting piece 43 can effectively slow down the mutual extrusion trend of the adjacent side plate assemblies 2, and can reduce the stress concentration phenomenon at the connection part of the connecting piece.
Referring to fig. 2, in the embodiment of the present application, a lifting box 5 is preloaded on a rear package 44 of the frame, one end of the lifting box 5 is detachably connected to the rear package, the other end of the lifting box 5 is fixedly connected with a lifting lug 6, and the lifting lug 6 is used for lifting the rear assembly 4 of the frame. In other embodiments, the mounting of the package 5 to the rear package using welding is also possible, except that electrical cutting is required to cut the package 5 from the rear package when the frame assembly is delivered to a downstream manufacturer.
The arrangement of the lifting box 5 ensures that when the frame rear assembly 4 is to be welded, the frame rear assembly 4 is only required to be integrally lifted and welded through the lifting lug 6, and the arrangement of the lifting box 5 and the lifting lug 6 effectively reduces the possibility that the frame rear assembly 4 is deformed due to lifting in the process of welding the frame rear assembly 4.
In the embodiment of the application, the connection part of the frame rear preassembly 44 and the lifting box 5 is set to be a plane, and the planar arrangement is more convenient for the later-stage cutting and dismantling treatment of the lifting box 5. Meanwhile, the frame rear preassembly 44 is arranged in a V shape, and the V shape can reduce bending moment generated when the hoisting machine hoistes the frame rear assembly 4 during hoisting, so that stress concentration phenomenon during hoisting is effectively avoided, and the possibility of fracture of the frame rear preassembly 44 during hoisting is effectively reduced.
Referring to fig. 3 and 4, the frame front assembly 7 includes a first front assembly 71, a second front assembly 72, and frame front packages 73, the first front assembly 71 and the second front assembly 72 are disposed in parallel and spaced apart, the first front assembly 71 is welded to the side plate assembly 2 of one chassis longitudinal beam 1, the second front assembly 72 is welded to the side plate assembly 2 of the other chassis longitudinal beam 1, the first front assembly 71 and the second front assembly 72 are disposed symmetrically along the central axes of the two chassis longitudinal beams 1, the frame front packages 73 are disposed in two, the two frame front packages 73 are welded to the first front assembly 71 and the second front assembly 72, respectively, and the two frame front packages 73 are disposed symmetrically along the central axes of the two chassis longitudinal beams 1.
The frame front assembly 7 is arranged as a combination of the first front assembly 71, the second front assembly 72 and the frame front pre-assembly 73, so that the welding installation of the frame front assembly 7 can be realized only by sequentially welding the first front assembly 71, the second front assembly 72 and the front pre-assembly when the frame front assembly 7 is to be welded.
Referring to fig. 4, the front frame pre-assembly 73 is provided with plug holes 8, the plug holes 8 on the two front frame pre-assemblies 73 are symmetrically arranged along the central axes of the two chassis longitudinal beams 1, the two plug holes 8 are coaxially provided with support rods 9 in a penetrating way, and the support rods 9 are detachably connected with the front frame pre-assemblies 73.
Because the front frame assembly 7 is divided into two symmetrical modules after being welded and installed, and the chassis longitudinal beam 1, the chassis transverse beam 3 and the side plate assembly 2 are welded into a whole, the side plate assembly 2 can drive the front frame assembly 7 to generate a convergent movement trend, and the plugging holes 8 and the supporting rods 9 are arranged, so that after the front frame assembly 7 is welded, the front frame assembly 7 can be effectively supported by the supporting rods 9, and the possibility of convergent deformation of the front frame assembly 7 is reduced to a certain extent.
The implementation principle of the frame assembly of the embodiment of the application is as follows: in the process of frame assembly production, divide into a plurality of modules with the structure of frame assembly self for in the in-process to frame assembly production, effectively combine together the structure of frame assembly self with the robot in the mill, thereby solved the structure of frame assembly and the application that combines together of robot effectively of being difficult to in the in-process of welding of frame assembly in the correlation technique to a certain extent, and then be difficult to promote production efficiency effectively under the prerequisite of guaranteeing welded precision and reliability.
In a second aspect, referring to fig. 1-5, the present application also provides a production process, comprising the steps of:
s1, providing a first manipulator 10 and a second manipulator 11, wherein the first manipulator 10 is used for carrying workpieces, and the second manipulator 11 is used for welding a frame assembly.
In S1, the first manipulator 10 is mainly used for carrying and clamping various components of the frame assembly, and meanwhile, the first manipulator 10 can slide on a matched rail so as to carry various components.
The first robot 10 is a single-track robot, the second robot 11 is a fixed-point robot, and the first robot 10 can carry a workpiece when the second robot 11 performs welding.
The first manipulator 10 is set to be a single-track manipulator, and the second manipulator 11 is set to be a fixed-point manipulator, so that the first manipulator 10 can effectively carry workpieces required by the frame assembly, and meanwhile, the first manipulator 10 can weld the workpieces in the welding process of the second manipulator 11, so that the welding and assembling efficiency of the frame assembly is effectively improved.
S2, providing a chassis longitudinal beam 1 provided with a side plate assembly 2, and grabbing and placing two chassis longitudinal beams 1 on a working platform by a first manipulator 10.
In S2, the first manipulator 10 sequentially grabs the two chassis stringers 1 to the designated position of the workbench according to the design requirement of the frame assembly, and the side plate assembly 2 is prefabricated and welded on the chassis stringers 1 before grabbing. It should be noted that the chassis longitudinal beam 1 is first turned over, and a reserved position for the chassis longitudinal beam 1 to be turned over is reserved on the workbench correspondingly. The process of turning over can be performed mechanically or by using the first robot 10.
S3, providing a chassis cross beam 3, grabbing and placing the chassis cross beam 3 at a designated position by a first manipulator 10, and welding the chassis longitudinal beam 1 and the chassis cross beam 3 together by a second manipulator 11.
In S3, the first manipulator 10 grabs and positions the chassis cross beam 3 to a specified position, and simultaneously welds the chassis longitudinal beam 1 and the chassis cross beam 3 through the second manipulator 11. After welding, the chassis longitudinal beam 1 needs to be turned over by using the first manipulator 10 or a machine, so that the chassis longitudinal beam 1 can be directly contacted with the workbench.
S4, providing a frame rear assembly 4, hoisting the frame rear assembly 4, and hoisting the frame rear assembly 4 on a working platform and abutting against the side plate assembly 2.
In the process of S4, "providing the frame rear assembly 4, and hoisting the frame rear assembly 4" specifically includes: a preassembled hanging box 5 with hanging lugs 6 is provided, the hanging box 5 is connected to the frame rear assembly 4, and the frame rear assembly 4 is hung by means of mechanical hanging by means of the hanging lugs 6.
Through the arrangement of the hanging box 5 and the lifting lug 6, the possibility of deformation of the frame rear assembly 4 due to welding during hanging is greatly reduced in the process of installing the frame rear assembly 4.
S5, the second manipulator 11 welds the side plate assembly 2 and the frame rear assembly 4 together.
In S4 and S5, the side plate assembly 2 and the frame rear assembly 4 are welded together by using a crane in the factory, and at this stage, the first robot 10 can perform work of carrying the frame front assembly 7 or assist a worker in the factory to perform pre-welding assembly of the frame front assembly 7.
S6, providing a frame front assembly 7, grabbing the frame front assembly 7 by a first manipulator 10, and welding the frame front assembly 7 on the side plate assembly 2 by a second manipulator 11 to finish the production of the frame assembly.
In S6, the welding of the front frame assembly is completed under the joint operation of the first manipulator 10 and the second manipulator 11.
In step S6, the first front component 71, the second front component 72 and the supporting rod 9 are provided, the first front component 71 and the second front component 72 are provided with the insertion holes 8, the first front component 71 is welded to one side plate assembly 2, the second front component 72 is welded to the other side plate assembly 2, and the supporting rod 9 passes through the insertion holes 8 so that the first front component 71 and the second front component 72 are detachably connected.
In S6, after the frame front assembly 7 is installed, the support rod 9 is used for supporting the frame front assembly 7, so that the possibility of deformation of the frame front assembly 7 after welding and assembling is effectively reduced.
The first front assembly 71 and the second front assembly 72 are provided with a plurality of plug holes 8, the plug holes 8 on the first front assembly 71 and the second front assembly 72 are symmetrically arranged along the central axes of the two chassis longitudinal beams 1, a plurality of support rods 9 are arranged, a plurality of support rods 9 are installed on the front frame assembly 7 according to design requirements, and a plurality of support rods 9 are arranged in parallel.
Be provided with a plurality of spliced eyes 8 on with first front portion subassembly 71, the front portion subassembly 72 of second, firstly, can make frame front portion assembly 7 welding finish the back, the staff can set up bracing piece 9 according to the position that frame front portion assembly 7 easily warp to further reduced frame front portion assembly 7 welding and assembled the back and taken place the possibility of warping, secondly, can guarantee the axiality of frame assembly effectively to a certain extent.
In S6, two front frame packages 73 are provided, and the two front frame packages 73 are mounted on the first front assembly 71 and the second front assembly 72, respectively, and after the first front assembly 71 and the second front assembly 72 are welded to the side plate assemblies 2, the front frame packages 73 are abutted against the ends of the corresponding side plate assemblies 2.
After the first front component 71 and the second front component 72 are welded to the side plate assembly 2, the front frame package can abut against the side plate assembly 2, and the side plate assembly 2 can provide a strong support for the front frame package 73, thereby reducing the possibility of deformation of the front frame package 73 when the front frame package 73 is mounted on the first front component 71 and the second front component 72 to some extent.
In the embodiment of the application, only six steps of S1-S2-S3-S4-S5-S6 are needed, the welding assembly of the frame assembly can be realized, the structures of the first manipulator 10, the second manipulator 11 and the frame assembly are effectively and reasonably combined in the whole welding assembly process, the whole welding assembly process is more reasonable and clear, and the problem that the frame assembly is difficult to effectively combine and use the structure of the frame assembly with a robot in the welding process in the prior art is solved to a certain extent, and the production efficiency is difficult to effectively improve on the premise of ensuring the welding precision and reliability.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A frame assembly, comprising:
the chassis longitudinal beams (1), wherein two chassis longitudinal beams (1) are arranged, the two chassis longitudinal beams (1) are arranged at intervals, a side plate assembly (2) is arranged on the chassis longitudinal beam (1), and a plurality of functional pieces are prefabricated on the side plate assembly (2);
the chassis cross beams (3), the chassis cross beams (3) are arranged between the two chassis longitudinal beams (1), the chassis cross beams (3) are perpendicular to the chassis longitudinal beams (1), the chassis cross beams (3) are provided with a plurality of chassis cross beams (3) which are arranged at intervals in parallel;
a frame rear assembly (4), wherein the frame rear assembly (4) is welded between the two side plate assemblies (2); and
a frame front assembly (7), wherein the frame front assembly (7) is welded at one end of the two side plate assemblies (2) far away from the frame rear assembly (4);
the rear assembly (4) comprises a first rear assembly (41), a second rear assembly (42), a U-shaped connecting piece (43) and a rear assembly (44) of the frame, wherein the first rear assembly (41) is arranged at intervals parallel to the second rear assembly (42), the first rear assembly (41) is welded on one side plate assembly (2) of the chassis longitudinal beam (1), the second rear assembly (42) is welded on the other side plate assembly (2) of the chassis longitudinal beam (1), the first rear assembly (41) and the second rear assembly (42) are symmetrically arranged along the central axes of the chassis longitudinal beam (1), one end of the U-shaped connecting piece (43) is welded on the first rear assembly (41), the other end of the U-shaped connecting piece (43) is welded on the second rear assembly (42), and the rear assembly (44) is simultaneously welded with the first rear assembly (41), the second rear assembly (42) and the U-shaped connecting piece (43).
2. A frame assembly according to claim 1, wherein the frame rear pre-assembly (44) is preloaded with a lifting box (5), one end of the lifting box (5) is detachably connected to the frame rear pre-assembly (44), the other end of the lifting box (5) is fixedly connected with a lifting lug (6), and the lifting lug (6) is used for lifting the frame rear assembly (4).
3. A frame assembly according to claim 1, characterized in that the frame front assembly (7) comprises a first front component (71), a second front component (72) and a frame front pre-assembly (73), the first front component (71) and the second front component (72) are arranged at intervals in parallel, the first front component (71) is welded to a side plate assembly (2) of one chassis longitudinal beam (1), the second front component (72) is welded to a side plate assembly (2) of the other chassis longitudinal beam (1), the first front component (71) and the second front component (72) are symmetrically arranged along the central axes of the two chassis longitudinal beams (1), the frame front pre-assembly (73) is provided with two, the two frame front pre-assemblies (73) are respectively welded to the first front component (71) and the second front component (72), and the two frame front pre-assemblies (73) are symmetrically arranged along the central axes of the two chassis longitudinal beams (1).
4. A frame assembly according to claim 3, wherein the front frame pre-assembly (73) is provided with plug holes (8), the plug holes (8) on the two front frame pre-assemblies (73) are symmetrically arranged along the central axes of the two chassis longitudinal beams (1), the two plug holes (8) are coaxially provided with support rods (9), and the support rods (9) are detachably connected with the front frame pre-assemblies (73).
5. A process for producing a frame assembly according to any one of claims 1 to 4, comprising the steps of:
s1, providing a first manipulator (10) and a second manipulator (11), wherein the first manipulator (10) is used for carrying workpieces, and the second manipulator (11) is used for welding a frame assembly;
s2, providing a chassis longitudinal beam (1) provided with a side plate assembly (2), and grabbing and placing two chassis longitudinal beams (1) on a working platform by a first mechanical arm (10);
s3, providing a chassis cross beam (3), grabbing and placing the chassis cross beam (3) at a designated position by a first manipulator (10), and welding the chassis longitudinal beam (1) and the chassis cross beam (3) together by a second manipulator (11);
s4, providing a frame rear assembly (4), hoisting the frame rear assembly (4), and hoisting and placing the frame rear assembly (4) on a working platform and abutting against the side plate assembly (2);
s5, a second manipulator (11) welds the side plate assembly (2) and the frame rear assembly (4) together;
s6, providing a frame front assembly (7), grabbing the frame front assembly (7) by a first manipulator (10), and welding the frame front assembly (7) on the side plate assembly (2) by a second manipulator (11) to finish the production of the frame assembly.
6. A production process according to claim 5, wherein the first manipulator (10) is a single track manipulator, the second manipulator (11) is a fixed point manipulator, and the first manipulator (10) simultaneously carries out the handling of the workpiece required in the next process when the second manipulator (11) is welding.
7. A production process according to claim 5, wherein in step S4, the step of providing the frame rear assembly (4), and lifting the frame rear assembly (4) "comprises:
the method comprises the steps of providing a preassembled hanging box (5) with lifting lugs (6), connecting the hanging box (5) to the frame rear assembly (4), and hanging the frame rear assembly (4) in a mechanical hanging mode by means of the lifting lugs (6).
8. The production process according to claim 5, wherein step S6 specifically comprises:
providing a first front assembly (71), a second front assembly (72) and a supporting rod (9), forming a plug hole (8) on the first front assembly (71) and the second front assembly (72), welding the first front assembly (71) on one side plate assembly (2), welding the second front assembly (72) on the other side plate assembly (2), and enabling the supporting rod (9) to penetrate through the plug hole (8) so that the first front assembly (71) and the second front assembly (72) can be detachably connected.
9. The production process according to claim 8, wherein step S6 further comprises:
providing two front frame pre-assemblies (73), respectively installing the two front frame pre-assemblies (73) on a first front assembly (71) and a second front assembly (72), and abutting the front frame pre-assemblies (73) with the ends of the corresponding side plate assemblies (2) after the first front assembly (71) and the second front assembly (72) are welded on the side plate assemblies (2).
CN202310618555.1A 2023-05-26 2023-05-26 Frame assembly and production process Active CN116495057B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014103332U1 (en) * 2014-07-18 2014-12-09 Beiqi Foton Motor Co., Ltd. Floor assembly for vehicles and vehicles with such a floor assembly
CN204210565U (en) * 2014-11-13 2015-03-18 南京金龙客车制造有限公司 A kind of pure electric automobile vehicle frame
CN107297593A (en) * 2017-06-20 2017-10-27 解庆佳 A kind of application method of Trailer type frame for use in vehicle parts assembling welding system
CN109131567A (en) * 2018-09-28 2019-01-04 三重型装备有限公司 Frame assembly and vehicle
CN114669901A (en) * 2022-03-23 2022-06-28 上汽通用五菱汽车股份有限公司 Automatic welding method for vehicle body assembly
CN217864351U (en) * 2022-07-22 2022-11-22 中国重汽集团柳州运力专用汽车有限公司 Modular mixer frame

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014103332U1 (en) * 2014-07-18 2014-12-09 Beiqi Foton Motor Co., Ltd. Floor assembly for vehicles and vehicles with such a floor assembly
CN204210565U (en) * 2014-11-13 2015-03-18 南京金龙客车制造有限公司 A kind of pure electric automobile vehicle frame
CN107297593A (en) * 2017-06-20 2017-10-27 解庆佳 A kind of application method of Trailer type frame for use in vehicle parts assembling welding system
CN109131567A (en) * 2018-09-28 2019-01-04 三重型装备有限公司 Frame assembly and vehicle
CN114669901A (en) * 2022-03-23 2022-06-28 上汽通用五菱汽车股份有限公司 Automatic welding method for vehicle body assembly
CN217864351U (en) * 2022-07-22 2022-11-22 中国重汽集团柳州运力专用汽车有限公司 Modular mixer frame

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