Auxiliary device for installing automobile fender

Abstract

The utility model belongs to the technical field of automobile fenders, and relates to an auxiliary device for installing an automobile fender. An upper positioning block (1) and an upper flat absorbing block (9) are arranged on the upper portion of a device body (8), a lower flat absorbing block (10) is arranged on the lower portion of the device body (8), a lower positioning block (5) is arranged on the inner side of the device body (8), and a protruding lower positioning section (11) is arranged on the lower positioning block (5). The auxiliary device for installing the automobile fender is simple in structure, can accurately control gaps when the fender is installed, cannot cause surface and structure damage to a whole automobile and accessories of the whole automobile, meets requirements through one-time installation and adjustment, improves installation efficiency and adapts to the rhythm of a production line.

Description

Technical Field

[0001] This utility model belongs to the field of automotive fender technology, and more specifically, relates to an auxiliary device for installing automotive fenders. Background Technology

[0002] The gap and surface difference between the front door and the fender are highly sensitive areas in terms of overall vehicle appearance. A good gap and surface difference reflects the precision of vehicle manufacturing, improves appearance quality, and thus enhances market acceptance. Currently, most OEMs assemble plastic fenders according to actual vehicle specifications. However, due to the precision and process constraints of the fenders, this process involves long adjustment times and a high risk of damage to sheet metal and paint, reducing production efficiency and overall vehicle quality, resulting in significant cost losses. Therefore, it is essential to design fixtures that ensure proper fitment of the gap and surface difference between the fender and the front door. In summary, the existing technical problem is that the plastic fenders are fitted according to actual parts, and the gap and surface difference between the front door and the plastic fender are adjusted to meet appearance requirements due to fluctuations in fender precision and dimensions. This process involves long adjustment times and a high risk of damage to sheet metal and paint.

[0003] The prior art includes a technology entitled "Fender, Fender Installation Method, and Fender Positioning Fixture," with publication (announcement) number "CN115556835B." This technology discloses a fender, a fender installation method, and a fender positioning fixture. The fender includes a fender body, a front mounting plate at the front of the fender body, a hub edge plate at the lower part of the fender body, and a first, second, third, and fourth mounting lugs spaced vertically at the rear of the fender body. A middle mounting plate and a fifth mounting lug are provided at the upper part of the fender body. The fender installation method is used to connect the fender to the vehicle body and the front door. The fender positioning fixture is used in the aforementioned fender installation method. The fender has a positioning structure that facilitates assembly; the fender installation method is simple to operate and the fender is accurately positioned after installation; the fender positioning fixture can be connected to the vehicle body to fix the fender positioning fixture, and can also position and clamp the fender.

[0004] However, this technology does not address the technical issues and solutions of this application. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide an auxiliary device for automobile fender installation that is simple in structure, can accurately control the gap during fender installation, does not cause surface and structural damage to the whole vehicle and its accessories, and can meet the adjustment requirements in one installation and adjustment, thereby improving the fender installation efficiency and adapting to the production line rhythm.

[0006] To solve the above technical problems, the utility model adopts the technical scheme that

[0007] The utility model discloses a kind of auxiliary devices for automobile fender installation, upper positioning block and upper suction flat piece are arranged on the upper part of device body, lower suction flat piece is arranged on the lower part of device body, lower positioning block is arranged in the inside of device body, and protruding lower positioning section is arranged on lower positioning block.

[0008] The upper suction flat piece includes front door upper suction flat piece and fender upper suction flat piece.

[0009] The lower suction flat piece includes front door lower suction flat piece and fender lower suction flat piece.

[0010] The upper suction flat piece is communicated with vacuum pipeline, the lower suction flat piece is communicated with vacuum pipeline, vacuum pipeline is communicated with vacuum pump, and control component is arranged in vacuum pump.

[0011] The upper positioning block includes extension and positioning body, one end of extension is connected with device body, and the other end of extension is connected with positioning body.

[0012] Lower positioning block is arranged in the inside of device body near middle position.

[0013] Handle is arranged on the outside of device body.

[0014] When the auxiliary device for automobile fender installation is used for fender auxiliary installation, front door upper suction flat piece is arranged as structure capable of fixedly adsorbing front door, fender upper suction flat piece is arranged as structure capable of fixedly adsorbing fender;Front door lower suction flat piece is arranged as structure capable of fixedly adsorbing front door, and fender lower suction flat piece is arranged as structure capable of fixedly adsorbing fender.

[0015] The upper suction flat piece includes profiling block and suction disc, and the suction disc is located in the groove on the surface of profiling block, and the suction disc is communicated with vacuum pipeline.

[0016] The profiling block, upper positioning block and lower positioning block are all made of nylon material.

[0017] The technical scheme of the utility model has the following working principle and beneficial effects:

[0018] The utility model discloses a supplementary device for automobile fender mounting, the upper portion of device body is provided with upper portion locating block and upper portion suction flat piece, and the upper portion locating block is used for realizing the positioning of the front door of whole vehicle, and the upper portion suction flat piece is used for adsorbing the front door and fender, realizes device upper portion positioning, and the lower portion of device body is provided with lower portion suction flat piece, and the lower portion suction flat piece is used for adsorbing the front door and fender, realizes device lower portion positioning, and the inside of device body is provided with lower portion locating block, and the lower portion locating block is provided with protruding lower portion locating section, in the course of installing and adjusting, the lower portion locating block is attached to the front door and fender, and the lower portion locating section extends between the side of front door and the side of fender, and the gap between the two is limited. According to the requirement of different vehicle models, a plurality of lower portion locating blocks can be set according to the gap, or the lower portion locating block with different lower portion locating sections can be replaced, so that the gap control is reliably and quickly realized, and the same device only needs to replace the lower portion locating block to be applicable to different vehicle models, the universality is effectively improved, the number of device manufacturing is reduced, and the device manufacturing cost is reduced. In order to stably fix the device, six degrees of freedom are used to constrain, the upper suction flat piece of fender, the lower suction flat piece of fender and the upper suction flat piece of front door and the lower suction flat piece of front door are adsorbed to the fender and front door through the vacuum effect of compressed air through the suction disc of each, the Y direction is controlled, the upper locating block is fixed on the vehicle body back through vacuum adsorption, the X / Z direction control of the device is realized, and the X direction control of the device is realized. When using the device, the welding adjustment line adjusts the front door to the position, passes through coating to reach the general assembly production line, and finally the plastic fender is assembled in the general assembly. First step: the fender is pre-hung on the vehicle body, then the plastic fender mounting auxiliary device is attached to the vehicle body, the X / Z direction of the upper locating block is guaranteed to be attached to the front door, then the operator pushes the device to the rear side of the vehicle body, guarantees that the X direction of the lower locating block is attached to the side of the front door. Second step: after guaranteeing that the device is in place, the operator holds the handle with the left hand to guarantee that the device does not shake, and pushes the plastic fender to the rear direction of the vehicle body with the right hand, so that the plastic fender is attached to the lower portion locating section of the lower locating block, and the gap between the plastic fender and the front door meets the requirement. Third step: open the control part, start the vacuum pump, extract vacuum, and the suction disc of the upper suction flat piece of front door, the upper suction flat piece of fender, the lower suction flat piece of fender and the lower suction flat piece of front door is reliably adsorbed to the front door or fender due to negative pressure, at this moment, the direction of the device is fixed, the purpose of guaranteeing that the surface difference between the plastic fender and the front door meets the requirement is achieved. Fourth step: the fender is screwed in place through the screw or nut, and after being screwed, the control switch is closed, the vacuum disappears, the auxiliary device can be conveniently taken down, and then whether the gap and surface difference of the front door and fender are qualified is checked. In this way, the gap and surface difference between the automobile fender and the front door meet the requirement, and the assembly precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The contents expressed by each drawing of the present specification and the marks in the drawings are briefly explained as follows:

[0020] Figure 1The structure schematic view of the auxiliary device for automobile fender installation;

[0021] Figure 2 The structure schematic view of the auxiliary device for automobile fender installation in use;

[0022] In the drawing, marks are respectively: 1, upper positioning block; 2, front door upper suction flat block; 3, fender upper suction flat block; 4, handle; 5, lower positioning block; 6, fender lower suction flat block; 7, front door lower suction flat block; 8, device body; 9, upper suction flat block; 10, lower suction flat block; 11, lower positioning section; 12, extension; 13, front door; 14, fender; 15, profiling block; 16, suction disc; 17, positioning body. DETAILED DESCRIPTION

[0023] The shape, structure, mutual position and connecting relationship between parts, the action and working principle of each component as involved in the specific implementation of the utility model are further explained in detail by the description of the embodiments with reference to the drawings:

[0024] As shown in the accompanying Figure 1 - the accompanying Figure 2The utility model discloses a kind of auxiliary devices for automobile fender installation, upper positioning block 1 and upper suction block 9 are arranged on the upper portion of device body 8, lower suction block 10 is arranged on the lower portion of device body 8, lower positioning block 5 is arranged in the inner side of device body 8, and protruding lower positioning section 11 is arranged on lower positioning block 5.The above structure, for the deficiency in the prior art, proposes an improved technical solution.Structure is set, device body 8 is set, device body 8 is the basis of installing relevant components, upper positioning block 1 and upper suction block 9 are arranged on the upper portion of device body 8, upper positioning block 1 is used to realize positioning with front door 13 of whole vehicle, upper suction block 9 is used to adsorb front door 13 and fender 14, realizes device upper portion positioning, lower suction block 10 is arranged on the lower portion of device body 8, lower suction block 10 is used to adsorb front door 13 and fender 14, realizes device lower portion positioning, lower positioning block 5 is arranged in the inner side of device body 8, and protruding lower positioning section 11 is arranged on lower positioning block 5, during installation and adjustment process, lower positioning block 5 is attached to front door 13 and fender 14, and lower positioning section 11 extends between the side of front door 13 and the side of fender 14, limits the gap between the two.For the needs of different vehicle models, multiple lower positioning blocks 5 can be set according to the gap, or lower positioning block 5 with different lower positioning sections 11 can be replaced, reliable and fast gap control is realized, and the same device only needs to replace lower positioning block 5 to be applicable to different vehicle models, effectively improves universality, reduces the number of device manufacturing, and reduces device manufacturing cost.In order to stably fix the device, six degrees of freedom are used for constraint mode, X direction is the front-back direction of vehicle body, Y direction is the up-down direction of vehicle body, and Z direction is the left-right direction of vehicle body.Fender upper suction block 3, fender lower suction block 6, front door upper suction block 2 and front door lower suction block 7 are adsorbed tightly to fender 14 and front door 13 by the vacuum effect of compressed air through respective suction cups, Y direction is controlled, upper positioning block 1 is fixed on the back of vehicle body by vacuum adsorption, realizes the control of device X / Z direction, and lower positioning block 5 controls the X direction of device.When using the device, front door 13 is adjusted in place by welding and adjustment line after coating to reach general assembly production line, and finally plastic fender 14 is assembled in general assembly.First step: fender 14 is pre-hung on vehicle body, plastic fender 14 is installed on auxiliary device and attached to vehicle body, X / Z direction of upper positioning block 1 is guaranteed to be attached to front door 13, then operator pushes device to the back side of vehicle body tightly, and X direction of lower positioning block 5 is guaranteed to be attached to the side of front door.Second step: after guaranteeing that device is in place, operator holds handle 4 with left hand to guarantee that device does not shake, right hand pushes plastic fender 14 to the back of vehicle body, plastic fender 14 is attached to lower positioning section 11 (lower positioning section 11 thickness is the design gap of fender and front door) of lower positioning block 5, and the gap between plastic fender 14 and front door 13 meets the requirements.Third step: open the control part, the vacuum pump starts, vacuum extraction, the upper suction flat block 2 of the front door, the upper suction flat block 3 of the fender, the lower suction flat block 6 of the fender, the lower suction flat block 7 of the front door are respectively reliably adsorbed on the front door 13 or the fender 14 due to negative pressure, at this time the device direction is fixed, the purpose of ensuring the gap of the plastic fender 14 and the front door 13 is achieved.Fourth step: the fender is screwed into place through a screw or a nut, after tightening, the control switch is closed, the vacuum disappears, the auxiliary device can be conveniently removed, and then the gap and the surface difference between the front door 13 and the fender 14 are checked.Thus, the gap and the surface difference of the fender 14 and the front door 13 of the automobile are effectively ensured to meet the requirements.The auxiliary device for fender installation of the automobile has the advantages of simple structure, accurate control of the gap during fender installation, no damage to the surface and structure of the whole vehicle and accessories, one-time installation and adjustment to meet the requirements, improved installation efficiency, and adaptation to the production line rhythm.

[0025] The upper suction flat block 9 includes the upper suction flat block 2 of the front door and the upper suction flat block 3 of the fender.The above structure, the upper suction flat block 2 of the front door and the upper suction flat block 3 of the fender can be respectively provided with multiple ones for reliably adsorbing the front door and the fender, and the upper suction flat block 2 of the front door and the upper suction flat block 3 of the fender are respectively fixed on the device body 8 to realize position fixation of the front door 13 and the fender 14 after adsorption.

[0026] The lower suction flat block 10 includes the lower suction flat block 7 of the front door and the lower suction flat block 6 of the fender.The above structure, the lower suction flat block 7 of the front door and the lower suction flat block 6 of the fender can be respectively provided with multiple ones for reliably adsorbing the front door and the fender, and the lower suction flat block 7 of the front door and the lower suction flat block 6 of the fender are respectively fixed on the device body 8 to realize position fixation of the front door 13 and the fender 14 after adsorption.

[0027] The upper suction flat block 9 is connected with a vacuum pipeline, the lower suction flat block 10 is connected with a vacuum pipeline, the vacuum pipeline is connected with a vacuum pump, and the vacuum pump is provided with a control part.The vacuum pump and the vacuum pipeline cooperate to realize supply and cancellation of vacuum, the suction flat block reliably adsorbs during supply, and the suction flat block is conveniently separated during cancellation.The upper positioning block 1 can also be provided with a suction disc for adsorption, or the upper positioning block is provided with a clamping hook structure and is clamped at a corresponding position of the front door to realize position fixation and positioning.

[0028] The upper positioning block 1 includes an extension part 12 and a positioning body 17, one end of the extension part 12 is connected with the device body 8, and the other end of the extension part 12 is connected with the positioning body 17.The above structure ensures that the extension part 12 of the upper positioning block 1 extends to a corresponding position of the front door, and the positioning body 17 is perpendicular to the extension part 12, so that the upper positioning block 1 can be reliably clamped at a corresponding opening position on the front door 13 to realize positioning of the upper positioning block 1 and the front door 13 in the X direction.

[0029] The lower positioning block 5 is arranged in the lower part of the device body 8. When the device is used, the lower positioning segment 11 of the lower positioning block 5 is clamped between the front door and the fender, so as to reliably define the gap between the front door and the fender, and realize quick and accurate gap control.

[0030] The handle 4 is arranged on the outer side of the device body 8. The handle 4 can be connected to the device body 1 by bolts, so that the handle is convenient for an operator to hold and control the device for on-site operation.

[0031] When the auxiliary device for fender installation is used to assist in fender installation, the upper suction flat block 2 is arranged to be capable of fixedly sucking the front door 13, the fender upper suction flat block 3 is arranged to be capable of fixedly sucking the fender 14, the lower suction flat block 7 is arranged to be capable of fixedly sucking the front door 13, and the fender lower suction flat block 6 is arranged to be capable of fixedly sucking the fender 14. The upper suction flat block 9 comprises a profiling block 15 and a suction disc 16, the suction disc 16 is arranged in a groove on the surface of the profiling block 15, and the suction disc 16 is connected to the vacuum pipeline. Each suction disc is connected to the vacuum pipeline through a branch pipe. In this way, synchronous and same-pressure supply of vacuum can be reliably realized, and the suction requirement can be met.

[0032] The profiling block 15, the upper positioning block 1 and the lower positioning block 5 are all made of nylon material. The above structure can meet the requirement of the structural strength of each component, and the car body will not be scratched.

[0033] The utility model discloses a supplementary device for automobile fender installation is provided with device body 8, and device body 8 is the basis of installing relevant parts, and the upper portion of device body 8 is provided with upper portion positioning block 1 and upper portion suction flat piece 9, and upper portion positioning block 1 is used for realizing positioning with the front door of whole car, and upper portion suction flat piece 9 is used for adsorbing front door 13 and fender 14, realizes device upper portion positioning, and the lower portion of device body 8 is provided with lower portion suction flat piece 10, and lower portion suction flat piece 10 is used for adsorbing front door 13 and fender 14, realizes device lower portion positioning, and the inner side of device body 8 is provided with lower portion positioning block 5, and the lower portion of lower portion positioning block 5 is provided with protruding lower portion positioning section 11, and in the course of installing and adjusting, lower portion positioning block 5 is attached to front door 13 and fender 14, and lower portion positioning section 11 extends between the side of front door 13 and the side of fender 14, and the clearance between the two is limited. According to the requirement of different vehicle models, a plurality of lower portion positioning blocks 5 can be set according to the clearance, or the lower portion positioning block 5 with different lower portion positioning sections 11 can be replaced, so that the clearance control is reliably and quickly realized, and the same device only needs to replace the lower portion positioning block 5 to be applicable to different vehicle models, the universality is effectively improved, the number of device manufacturing is reduced, and the device manufacturing cost is reduced. In order to stably fix the device, six degrees of freedom are adopted to constrain, the X direction is the front-back direction of the vehicle body, the Y direction is the up-down direction of the vehicle body, and the Z direction is the left-right direction of the vehicle body. Wing fender upper suction flat piece 3, wing fender lower suction flat piece 6, front door upper suction flat piece 2 and front door lower suction flat piece 7 are sucked tightly to fender 14 and front door 13 through the vacuum effect of compressed air through the suction cups of each, the Y direction is controlled, the upper positioning block 1 is fixed on the vehicle body back through vacuum adsorption, the X / Z direction control of the device is realized, and the X direction of the lower positioning block 5 controls the device. When the device is used, after the welding adjustment line adjusts front door 13 to the position and reaches the general assembly production line after coating, finally, the plastic wing fender 14 is assembled in the general assembly. First step: the wing fender 14 is pre-hung on the vehicle body, then the plastic wing fender 14 is installed on the auxiliary device and attached to the vehicle body, the X / Z direction of the upper positioning block 1 is guaranteed to be attached to the front door 13, then the operator pushes the device to the rear side of the vehicle body tightly, and the X direction of the lower positioning block 5 is guaranteed to be attached to the side of the front door. Second step: after guaranteeing that the device is in place, the operator holds the handle 4 with the left hand to guarantee that the device does not shake, and pushes the plastic wing fender 14 to the rear direction of the vehicle body with the right hand, so that the plastic wing fender 14 is attached to the lower portion positioning section 11 (the thickness of the lower portion positioning section 11 is the designed clearance between the wing fender and the front door) of the lower positioning block 5, and the clearance between the plastic wing fender 14 and the front door 13 meets the requirement. Third step: open the control part, start the vacuum pump, extract vacuum, and the suction cups of the front door upper suction flat piece 2, the wing fender upper suction flat piece 3, the wing fender lower suction flat piece 6 and the front door lower suction flat piece 7 are reliably adsorbed to the front door 13 or the wing fender 14 due to negative pressure, at this moment, the direction of the device is fixed, the purpose of guaranteeing the surface difference between the plastic wing fender 14 and the front door 13 is achieved.Fourth step: through the screw or nut wing board is screwed into place, after tightening control switch off, vacuum disappears, can be easily removed auxiliary device, and then check the gap, the difference between the front door 13 and the wing board 14 is qualified. In this way, effectively ensure that the gap, the difference between the wing board 14 and the front door 13 meet the requirements.

[0034] The utility model has been described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. An aid for the installation of a fender panel of a motor vehicle, characterised in that: The upper part of the device body (8) is provided with an upper positioning block (1) and an upper suction flat block (9), the lower part of the device body (8) is provided with a lower suction flat block (10), the inner side of the device body (8) is provided with a lower positioning block (5), and the upper part of the lower positioning block (5) is provided with a protruding lower positioning section (11).

2. The device according to claim 1, characterized in that: The upper suction flat block (9) comprises a front door upper suction flat block (2) and a fender upper suction flat block (3).

3. The device for assisting in the installation of an automobile fender according to claim 1 or 2, characterized in that: The lower suction flat block (10) comprises a front door lower suction flat block (7) and a fender lower suction flat block (6).

4. The device according to claim 3, wherein: The upper suction flat block (9) is communicated with a vacuum pipeline, the lower suction flat block (10) is communicated with the vacuum pipeline, the vacuum pipeline is communicated with a vacuum pump, and the vacuum pump is provided with a control component.

5. The device for assisting in the installation of an automobile fender, according to claim 1 or 2, characterized in that: The upper positioning block (1) comprises an extension part (12) and a positioning body (17), one end of the extension part (12) is connected with the device body (8), and the other end of the extension part (12) is connected with the positioning body (17).

6. The device for assisting in the installation of an automobile fender, according to claim 1 or 2, characterized in that: The inner side of the device body (8) is provided with the lower positioning block (5) near the middle part.

7. The device for assisting in the installation of an automobile fender, according to claim 1 or 2, characterized in that: The outer side of the device body (8) is provided with a handle (4).

8. The device according to claim 1 or 2, characterized in that: The upper suction flat block (9) comprises a profiling block (15) and a suction disc (16), the suction disc (16) is located in a groove on the surface of the profiling block (15), and the suction disc (16) is communicated with the vacuum pipeline.

9. The device for assisting in the installation of an automobile fender, according to claim 8, characterized in that: The profiling block (15), the upper positioning block (1) and the lower positioning block (5) are all made of nylon material.

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