Car door assembling device
By designing a door assembly device including a base plate, a sliding support arm, a suction cup assembly and a floating mechanism, the problem that door assembly in the prior art relies on manual operation and cannot adapt to changes in different vehicle models is solved, and automatic grasping and precise assembly of the door is realized.
Patent Information
- Application Number
- CN202411977870.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-05-06
AI Technical Summary
There is a lack of door assembly devices specifically for the automotive assembly process in the existing automobile assembly technology, which leads to relying on manual operation, unable to achieve flexibility and universality, and unable to adapt to changes in different models.
A door assembly device is designed, including a base plate, a sliding support arm, a suction cup assembly and a floating mechanism. The suction cup assembly adjusts the adsorption pressure through the pneumatic column, the sliding support arm realizes the grasping and lifting of the door through the cylinder assembly, and the floating mechanism reduces the vibration displacement during door assembly movement through the motor and bearing.
It realizes automatic grasping and assembly of the door, reduces manual operation, improves assembly accuracy and stability, can adapt to changes in different models, and ensures accurate assembly of the door and body.
Smart Images

Figure CN119929029A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of automobile assembly and manufacturing, and in particular to a vehicle door assembly device. Background Art
[0002] After the car body passes through the paint shop, all the car parts are painted with brand new paint. After entering the final assembly workshop, the first thing to do is to disassemble the car door, put the car door into the car door sub-assembly line, assemble the door interior parts, wiring harness, etc. to the car door, and then assemble the door assembly to the car body. However, the existing technology does not have an assembly device specifically for the automobile final assembly process, most of which rely on manual operation, and cannot achieve flexibility and universality, and there is no universal structure designed for different models.
[0003] The existing production lines need to produce multiple models at the same time, and the models are updated and changed quickly. The door shape, spacing and position of the door fastening mechanism will be adjusted, and the door assembly mechanism needs to be able to adaptively adjust to adapt to changes in door and model specifications. Summary of the invention
[0004] In order to solve the technical problems existing in the prior art, an embodiment of the present invention provides a vehicle door assembly device. The technical solution is as follows:
[0005] A vehicle door assembly device, comprising:
[0006] Base plate;
[0007] A sliding support arm, which is arranged at one end of the bottom plate to lift the vehicle door;
[0008] A suction cup assembly, which is arranged at the other end of the bottom plate to cooperate with the sliding support arm to suck or release the door;
[0009] A floating mechanism, one end of which is arranged on the bottom plate, and the other end of which is detachably connected to the mechanical arm, and the floating mechanism can be attached to or separated from the bottom plate to reduce the vibration displacement generated during the assembly and movement of the door.
[0010] Optionally, the suction cup assembly comprises:
[0011] An adjusting component, which is arranged on the bottom plate;
[0012] At least one suction cup is arranged on the adjusted component and rotates with the adjusted component. The suction cup receives or releases gas through the pneumatic column to generate or release adsorption pressure.
[0013] Optionally, the adjusting component includes:
[0014] A fixed column connected to the base plate;
[0015] A rotating rod, which is rotatably arranged on the fixed column;
[0016] At least one locking block is arranged on the rotating rod and rotates with the rotating rod. The locking column has a mounting frame to fix the suction cup.
[0017] Optionally, the mounting frame has a mounting hole, and the mounting hole has a circumferentially arranged locking nut.
[0018] Optionally, the sliding support arm includes:
[0019] A sliding frame, which is arranged on the bottom plate;
[0020] a bracket connected to the sliding frame and sliding with the sliding frame;
[0021] At least one cylinder assembly is disposed on the bottom plate and connected to the sliding frame to drive the sliding frame to slide along the bottom plate.
[0022] Optionally, the cross-section of the bottom plate is in a "convex" shape.
[0023] Optionally, a slide rail or a slide groove is provided on the bottom plate.
[0024] Optionally, the floating mechanism includes:
[0025] Mounting plate,
[0026] a plurality of pillars disposed on the mounting plate;
[0027] A plurality of bearings disposed on the bottom plate, along which the pillars can slide;
[0028] At least one motor is disposed on the mounting plate and connected to the base plate via a telescopic column.
[0029] Optionally, the bracket includes:
[0030] A bracket with an "L"-shaped cross section;
[0031] A first mounting wheel, which is rotatably disposed on the bracket;
[0032] The second mounting wheel is rotatably arranged on the bracket and is spaced apart from the first mounting wheel.
[0033] The beneficial effects brought about by the technical solution provided by the embodiment of the present invention include at least:
[0034] The vehicle door assembly device provided by the present invention grasps and lifts the vehicle door through the cooperation of the suction cup assembly and the sliding support arm, and the bottom plate is attached or separated through the floating mechanism to reduce the vibration displacement generated during the movement of the vehicle door assembly.
[0035] The vehicle door assembly device provided by the present invention cooperates with the suction cup assembly and the sliding support arm, and the clamping force is adjustable, thereby avoiding deformation of the vehicle door. While realizing mechanical automatic disassembly of the vehicle door, the production rhythm of the vehicle door disassembly action is guaranteed.
[0036] The control method of the vehicle door assembly device provided by the present invention can finely adjust the clamping force of the vehicle door through fine control and adjustment of the pneumatic component, ensure the stability of the clamping action, and effectively avoid collision and deformation of the vehicle door. BRIEF DESCRIPTION OF THE DRAWINGS
[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0038] Figure 1 is a schematic structural diagram of a vehicle door assembly device provided by an embodiment of the present invention;
[0039] Figure 2 is a schematic structural diagram of a suction cup assembly provided by an embodiment of the present invention;
[0040] Figure 3 is a schematic diagram of the structure of an adjusting component provided by an embodiment of the present invention;
[0041] Figure 4 is a schematic structural diagram of a sliding support arm provided by an embodiment of the present invention;
[0042] Figure 5 is a schematic structural diagram of a base plate provided by an embodiment of the present invention;
[0043] Figure 6 is a structural schematic diagram of a floating mechanism provided by an embodiment of the present invention;
[0044] Figure 7 It is a schematic diagram of the structure of a bracket provided in an embodiment of the present invention.
[0045] Figure numerals: 210, base plate; 220, sliding support arm; 230, suction cup assembly; 240, floating mechanism; 231, adjustment component; 232, suction cup; 2311, fixed column; 2312, rotating rod; 2313, locking block; 2314, pneumatic column; 2315, mounting frame; 221, sliding frame; 222, bracket; 223, cylinder assembly; 241, mounting plate; 242, multiple pillars; 243, multiple bearings; 244, at least one motor 245, multiple pillars; 2221, bracket; 2222, first mounting wheel; 2223, second mounting wheel, 200, vehicle door. DETAILED DESCRIPTION
[0046] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0047] Unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one", "one" or "the" do not indicate a quantitative limitation, but indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
[0048] It should be noted that the terms "up", "down", "left", "right", "front", "back", etc. used in the present invention are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.
[0049] like Figure 1As shown, the present invention discloses a vehicle door assembly device, comprising: a bottom plate 210, a sliding support arm 220, a suction cup 232 assembly 230 and a floating mechanism 240. The sliding support arm 220 is arranged at one end to lift the vehicle door; the suction cup 232 assembly 230 is arranged at the other end of the bottom plate 210 to cooperate with the sliding support arm 220 to suck or release the vehicle door; one end of the floating mechanism 240 is arranged at the bottom plate 210, and the other end is detachably connected to the mechanical arm, and the floating mechanism 240 can be attached to or separated from the bottom plate 210 to reduce the vibration displacement generated during the movement of the vehicle door assembly. In a specific embodiment, the door assembly device is connected to a robot arm. During the grabbing process, the floating mechanism 240 is separated from the bottom plate 210, and the door is lifted by the sliding support arm 220, and the door is sucked by the suction cup 232 assembly 230 at the same time, thereby realizing the grabbing of the door; during the door assembly process, the floating mechanism 240 is fitted with the bottom plate 210 to reduce the vibration displacement generated during the door assembly movement process, and the door assembly device and the door are driven by the robot arm to move, and the door is set on the door hinge. After the assembly is completed, the door is released by the suction cup 232 assembly 230 to realize the automatic assembly of the door to the body. The door assembly device provided in this embodiment grabs and lifts the door through the suction cup 232 assembly 230 and the sliding support arm 220, and the bottom plate 210 is fitted or separated by the floating mechanism 240 to reduce the vibration displacement generated during the door assembly movement process. , ensuring the assembly accuracy of the door and the body-in-white.
[0050] like Figure 2 As shown, the suction cup 232 assembly 230 includes: an adjustment component 231 and at least one suction cup 232, the adjustment component 231 is arranged on the bottom plate 210; at least one suction cup 232 is arranged on the adjustment component 231 and rotates with the adjustment component 231, and the suction cup 232 receives or releases gas through the pneumatic column 2314 to generate or release adsorption pressure. In a specific embodiment, the number of suction cups 232 is set to two, which are respectively arranged on both sides of the adjustment component 231, and the pitch angle of the suction cup 232 relative to the bottom plate 210 is adjusted by the adjustment component 231 to adapt to different vehicle models.
[0051] like Figure 3As shown, in a specific embodiment, the adjustment component 231 includes: a fixed column 2311, a rotating rod 2312 and a locking block 2313, wherein the fixed column 2311 is connected to the base plate 210; the rotating rod 2312 is rotatably arranged on the fixed column 2311; at least one locking block 2313 is arranged on the rotating rod 2312 and rotates with the rotating rod 2312, and the locking column has a mounting frame 2315 to fix the suction cup 232. In a preferred embodiment, the mounting frame 2315 has a mounting hole, and the mounting hole has a locking nut arranged circumferentially. The pneumatic column 2314 of the suction cup 232 is arranged in the mounting hole and fixed in the mounting hole by the locking nut. The rotating rod 2312 drives the mounting frame 2315 and the suction cup 232 to rotate, so as to achieve the pitch angle adjustment of the suction cup 232 relative to the base plate 210.
[0052] like Figure 4 As shown, the sliding support arm 220 includes: a sliding frame 221, a bracket 222 and a cylinder assembly 223, wherein the sliding frame 221 is arranged on the bottom plate 210; the bracket 222 is connected to the sliding frame 221 and slides with the sliding frame 221; and at least one cylinder assembly 223 is arranged on the bottom plate 210 and connected to the sliding frame 221 to drive the sliding frame 221 to slide along the bottom plate 210. In a specific embodiment, the sliding frame 221 is pulled to slide on the bottom plate 210 by the cylinder assembly 223 to adjust the assembly height of the vehicle door.
[0053] like Figure 5 As shown, the cross section of the bottom plate 210 is a "convex" shape. In a preferred embodiment, a slide rail 2101 or a slide groove is provided on the bottom plate 210, and the slide frame 221 slides in cooperation with the slide rail or the slide groove.
[0054] like Figure 5-6 As shown, the floating mechanism 240 includes: a mounting plate 241, a plurality of pillars 242, a plurality of bearings 243 and at least one motor 244. The plurality of pillars 242 are arranged on the mounting plate 241; the plurality of bearings 243 are arranged on the bottom plate 210, and the pillars can slide along the bearings; and at least one motor is arranged on the mounting plate 241 and connected to the bottom plate 210 through a telescopic column. In a specific embodiment, the pillars and the bearings are arranged in a one-to-one manner, and the pillars can slide in the bearings. The pillars are circumferentially distributed on the mounting plate 241, and the bearings are correspondingly circumferentially distributed on the bottom plate 210. The motor controls the telescopic column to change the interval between the bottom plate 210 and the mounting plate 241, and the pillars and the bearings follow. In this embodiment, the interval between the bottom plate 210 and the mounting plate 241 is stably changed by the motor and the bearings. When the bottom plate 210 and the mounting plate 241 are fitted, the door assembly device stably grabs the door, reduces vibration displacement, and improves the assembly accuracy of visual guidance.
[0055] like Figure 7 As shown, the bracket 222 includes: a bracket 2221, a first mounting wheel 2222 and a second mounting wheel 2223. The bracket 2221 has an "L"-shaped cross section, the first mounting wheel 2222 is rotatably disposed on the bracket 2221, and the second mounting wheel is rotatably disposed on the bracket 2221 and spaced apart from the first mounting wheel 2222. In a preferred embodiment, the first mounting wheel 2222 and the second mounting wheel 2223 are flexible wheels to avoid damaging the vehicle door.
[0056] The working process of the pneumatic gripper for door removal is taken as an example for further explanation:
[0057] The door assembly device is driven by the industrial robot mechanical arm, and the door is grabbed and lifted by the suction cup 232 assembly 230 and the sliding support arm 220. During the grabbing process, the floating mechanism 240 is separated from the bottom plate 210, and the door is lifted by the sliding support arm 220, and the door is sucked by the suction cup 232 assembly 230 at the same time, so as to realize the grabbing of the door; during the door assembly process, the floating mechanism 240 is fitted with the bottom plate 210 to reduce the vibration displacement generated during the door assembly movement process, and the door assembly device and the door are driven by the robot arm to move, and the door is set on the door hinge. After the assembly is completed, the door is released by the suction cup 232 assembly 230, and the door is automatically assembled with the body. The bottom plate 210 is fitted or separated by the floating mechanism 240 to reduce the vibration displacement generated during the door assembly movement process. , and the assembly accuracy of the door and the body in white is ensured.
[0058] The following points need to be explained:
[0059] (1) The drawings of the embodiments of the present invention only relate to the structures related to the embodiments of the present invention, and other structures may refer to the general design.
[0060] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present invention, the thickness of the layers or regions is exaggerated or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be intermediate elements.
[0061] (3) In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.
[0062] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The protection scope of the present invention should be based on the protection scope of the claims.
Claims
1. A vehicle door assembly device, characterized in that: include: Base plate; A sliding support arm, which is arranged at one end of the bottom plate to lift the vehicle door; A suction cup assembly, which is arranged at the other end of the bottom plate to cooperate with the sliding support arm to suck or release the door; A floating mechanism, one end of which is arranged on the bottom plate, and the other end of which is detachably connected to the mechanical arm, and the floating mechanism can be attached to or separated from the bottom plate to reduce the vibration displacement generated during the assembly and movement of the door.
2. The vehicle door assembly device according to claim 1, characterized in that: The suction cup assembly comprises: An adjusting component, which is arranged on the bottom plate; At least one suction cup is arranged on the adjusted component and rotates with the adjusted component. The suction cup receives or releases gas through the pneumatic column to generate or release adsorption pressure.
3. The vehicle door assembly device according to claim 2, characterized in that: The adjusting component comprises: A fixed column connected to the base plate; A rotating rod, which is rotatably arranged on the fixed column; At least one locking block is arranged on the rotating rod and rotates with the rotating rod. The locking column has a mounting frame to fix the suction cup.
4. The vehicle door assembly device according to claim 3, characterized in that: The mounting frame has a mounting hole, and the mounting hole has a locking nut arranged circumferentially.
5. The vehicle door assembly device according to claim 1, characterized in that: The sliding support arm comprises: A sliding frame, which is arranged on the bottom plate; a bracket connected to the sliding frame and sliding with the sliding frame; At least one cylinder assembly is disposed on the bottom plate and connected to the sliding frame to drive the sliding frame to slide along the bottom plate.
6. The vehicle door assembly device according to claim 5, characterized in that: The cross section of the bottom plate is a "convex" shape.
7. The vehicle door assembly device according to claim 6, characterized in that: The bottom plate is provided with a slide rail or a slide groove.
8. The vehicle door assembly device according to claim 7, characterized in that: The floating mechanism comprises: Mounting plate; a plurality of pillars disposed on the mounting plate; A plurality of bearings disposed on the bottom plate, along which the pillars can slide; At least one motor is disposed on the mounting plate and connected to the base plate via a telescopic column.
9. The vehicle door assembly device according to claim 8, characterized in that: The bracket comprises: A bracket with an "L"-shaped cross section; A first mounting wheel, which is rotatably disposed on the bracket; The second mounting wheel is rotatably arranged on the bracket and is spaced apart from the first mounting wheel.