Auxiliary device for mounting automobile fender

Abstract

The invention 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). According to the auxiliary device for installing the automobile fender, the structure is simple, gaps can be accurately controlled when the fender is installed, meanwhile, damage to the surface and the structure of a whole automobile and accessories of the whole automobile is avoided, the requirement can be met through one-time installation and adjustment, the installation efficiency is improved, and the auxiliary device adapts to the rhythm of a production line.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile fenders, and more specifically, relates to an auxiliary device for installing an automobile fender. Background Art

[0002] The gap and face difference between the front door and fender of the whole vehicle belong to the highly sensitive area of ​​the appearance perception of the whole vehicle. The gap and face difference with good appearance can reflect the leanness of the whole vehicle manufacturing, improve the appearance quality, and thus increase market recognition. At present, most OEMs assemble plastic fenders according to the actual vehicle. Affected by the precision and process of the fenders, this process has factors such as long adjustment time and high risk of damage to sheet metal and paint, which reduces the efficiency of the whole vehicle off-line and the quality of the whole vehicle, and brings high cost losses. In this case, it is necessary to design installation tools that can ensure the gap and face difference between the fender and the front door. In summary, the technical problems existing in the prior art are: the plastic fender of the whole vehicle is adjusted according to the actual parts, and the gap and appearance face difference between the front door and the plastic fender are adjusted to meet the appearance size requirements due to the fluctuation of the fender precision and appearance size. This process has factors such as long adjustment time and high risk of damage to sheet metal and paint.

[0003] There is a technology in the prior art named "Fender, Fender Installation Method and Fender Positioning Tool" and with a publication (announcement) number of "CN115556835B", which discloses a fender, a fender installation method and a fender positioning tool, wherein the fender includes a fender body, a front mounting plate is arranged at the front of the fender body, a hub edge plate is arranged at the lower part of the fender body, a first mounting lug, a second mounting lug, a third mounting lug and a fourth mounting lug are arranged at intervals along the up and down directions at the rear part of the fender body, and a middle mounting plate and a fifth mounting lug are arranged at the upper part of the fender body; the fender installation method is used to connect the above-mentioned fender to the vehicle body and the front door; the fender positioning tool is used for the above-mentioned fender installation method. The fender has a positioning structure that is easy to assemble; the fender installation method is simple to operate, and the position of the fender is accurate after installation; the fender positioning tool can be connected to the vehicle body to achieve the fixation of the fender positioning tool, and can also position and clamp the fender.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Summary of the invention

[0005] The technical problem to be solved by the present invention is: in view of the deficiencies in the prior art, an auxiliary device for installing automobile fenders is provided which has a simple structure and can accurately control the gap when installing the fenders, while not causing surface and structural damage to the entire vehicle and its accessories, and can meet the adjustment requirements in one installation, thereby improving the fender installation efficiency and adapting to the production line rhythm.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:

[0007] The invention discloses an auxiliary device for installing an automobile fender. An upper positioning block and an upper leveling block are arranged on the upper part of the device body, a lower leveling block is arranged on the lower part of the device body, a lower positioning block is arranged inside the device body, and a protruding lower positioning section is arranged on the lower positioning block.

[0008] The upper leveling block comprises a leveling block on the front door and a leveling block on the fender.

[0009] The lower suction block comprises a front door lower suction block and a fender lower suction block.

[0010] The upper leveling block is connected to the vacuum pipeline, the lower leveling block is connected to the vacuum pipeline, the vacuum pipeline is connected to the vacuum pump, and the vacuum pump is provided with a control component.

[0011] The upper positioning block comprises an extension part and a positioning body, one end of the extension part is connected to the device body, and the other end of the extension part is connected to the positioning body.

[0012] A lower positioning block is arranged near the middle of the inner side of the device body.

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

[0014] When the auxiliary device for automobile fender installation is used to assist in the installation of the fender, the upper suction block of the front door is set to a structure capable of fixing and adsorbing the front door, and the upper suction block of the fender is set to a structure capable of fixing and adsorbing the fender; the lower suction block of the front door is set to a structure capable of fixing and adsorbing the front door, and the lower suction block of the fender is set to a structure capable of fixing and adsorbing the fender.

[0015] The upper suction block includes a profiling block and a suction cup, the suction cup is located in a groove on the surface of the profiling block, and the suction cup is connected to a vacuum pipeline. The lower suction block includes a profiling block and a suction cup, the suction cup is located in a groove on the surface of the profiling block, and the suction cup is connected to a vacuum pipeline.

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

[0017] The technical solution of the present invention is adopted, and the working principle and beneficial effects are as follows:

[0018] The auxiliary device for installing the automobile fender of the present invention is provided with an upper positioning block and an upper suction block on the upper part of the device body, the upper positioning block is used to realize positioning with the front door of the whole vehicle, the upper suction block is used to absorb the front door and the fender to realize the upper positioning of the device, the lower suction block is provided at the lower part of the device body, the lower suction block is used to absorb the front door and the fender to realize the lower positioning of the device, the lower positioning block is provided inside the device body, and a protruding lower positioning section is provided on the lower positioning block. During the installation and adjustment process, the lower positioning block fits the front door and the fender, and the lower positioning section extends between the side of the front door and the side of the fender to limit the gap between the two. According to the needs of different models, multiple lower positioning blocks can be set according to the gap, and the lower positioning blocks with different lower positioning sections can be replaced, so as to realize the gap control reliably and quickly, and the same device only needs to replace the lower positioning block to be applicable to different models, which effectively improves the versatility, reduces the number of devices manufactured, and reduces the manufacturing cost of the device. In order to stably fix the device, six degrees of freedom are used for constraint. The upper and lower suction blocks of the fender, the upper and lower suction blocks of the front door, and the lower suction blocks of the front door use their respective suction cups to suck the fender and the front door tightly through the vacuum effect of compressed air to control the Y direction. The upper positioning block is fixed to the body by vacuum adsorption to achieve the control of the X / Z direction of the device, and the lower positioning block controls the X direction of the device. When the device is used, the welding adjustment line adjusts the front door into place and then reaches the final assembly line after painting. Finally, the plastic fender is assembled in the final assembly. The first step: pre-hang the fender on the body, and then fit the plastic fender installation auxiliary device on the body to ensure that the X / Z direction of the upper positioning block fits the front door. Then the operator pushes the device toward the rear side of the body to ensure that the X direction of the lower positioning block fits the side of the front door. Step 2: After ensuring that the device is in place, the operator uses his left hand to hold the handle to ensure that the device does not shake, and gently pushes the plastic fender in the rear direction of the car body with his right hand, so that the plastic fender fits the lower positioning section of the lower positioning block to ensure that the gap between the plastic fender and the front door meets the requirements. Step 3: Open the control component, start the vacuum pump, and draw vacuum. The suction cups installed on the upper suction block of the front door, the suction block on the fender, the suction block under the fender, and the suction block under the front door can reliably adsorb the front door or fender due to negative pressure. At this time, the direction of the device is fixed to achieve the purpose of ensuring the surface difference between the plastic fender and the front door. Step 4: Tighten the fender in place with screws or nuts. After tightening, the control switch is turned off, the vacuum disappears, and the auxiliary device can be easily removed, and then check whether the gap and surface difference between the front door and the fender are qualified. In this way, it is effectively ensured that the gap and surface difference between the car fender and the front door meet the requirements and improve the assembly accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following is a brief description of the contents and symbols in the drawings of this specification:

[0020] Figure 1This is a schematic structural diagram of the auxiliary device for installing an automobile fender according to the present invention;

[0021] Figure 2 This is a schematic structural diagram of the auxiliary device for installing an automobile fender according to the present invention when in use;

[0022] The marks in the accompanying drawings are: 1, upper positioning block; 2, upper suction block of the front door; 3, suction block on the fender; 4, handle; 5, lower positioning block; 6, lower suction block of the fender; 7, lower suction block of the front door; 8, device body; 9, upper suction block; 10, lower suction block; 11, lower positioning section; 12, extension; 13, front door; 14, fender; 15, contour block; 16, suction cup; 17, positioning body. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the specific implementation of the present invention, such as the shape, structure, mutual position and connection relationship between the various components involved, the function and working principle of each part, etc., through the description of the embodiments with reference to the accompanying drawings:

[0024] As attached Figure 1 -Attached Figure 2As shown, the present invention is an auxiliary device for installing a car fender, an upper positioning block 1 and an upper leveling block 9 are arranged on the upper part of the device body 8, a lower leveling block 10 is arranged on the lower part of the device body 8, a lower positioning block 5 is arranged inside the device body 8, and a protruding lower positioning section 11 is arranged on the lower positioning block 5. The above structure proposes an improved technical solution to address the deficiencies in the prior art. When setting up the structure, a device body 8 is set. The device body 8 is the basis for installing related components. An upper positioning block 1 and an upper leveling block 9 are set on the upper part of the device body 8. The upper positioning block 1 is used to achieve positioning with the front door 13 of the whole vehicle. The upper leveling block 9 is used to absorb the front door 13 and the fender 14 to achieve upper positioning of the device. A lower leveling block 10 is set at the lower part of the device body 8. The lower leveling block 10 is used to absorb the front door 13 and the fender 14 to achieve lower positioning of the device. A lower positioning block 5 is set on the inner side of the device body 8. A protruding lower positioning section 11 is set on the lower positioning block 5. During the installation and adjustment process, the lower positioning block 5 fits the front door 13 and the fender 14, and the lower positioning section 11 extends between the side of the front door 13 and the side of the fender 14, thereby limiting the gap between the side of the front door 13 and the side of the fender 14. According to the needs of different models, multiple lower positioning blocks 5 can be set according to the gap, or the lower positioning blocks 5 with different lower positioning sections 11 can be replaced, so as to realize the gap control reliably and quickly, and the same device only needs to replace the lower positioning block 5 to be applicable to different models, which effectively improves the versatility, reduces the number of devices produced, and reduces the production cost of the device. In order to stably fix the device, six degrees of freedom are used for constraint, the X direction is the front and rear direction of the vehicle body, the Y direction is the up and down direction of the vehicle body, and the Z direction is the left and right direction of the vehicle body. The upper fender suction block 3, the lower fender suction block 6, the upper front door suction block 2, and the lower front door suction block 7 suck the fender 14 and the front door 13 tightly through their respective suction cups through the vacuum effect of compressed air to control the Y direction. The upper positioning block 1 is fixed to the vehicle body by vacuum adsorption to realize the control of the device in the X / Z direction, and the lower positioning block 5 controls the X direction of the device. When the device is used, the welding adjustment line adjusts the front door 13 into place and then reaches the final assembly line after painting, and finally the plastic fender 14 is assembled in the final assembly. Step 1: Pre-hang the fender 14 onto the vehicle body, and then fit the auxiliary device for installing the plastic fender 14 onto the vehicle body, ensuring that the upper positioning block 1 fits the front door 13 in the X / Z direction, and then the operator pushes the device toward the rear side of the vehicle body, ensuring that the lower positioning block 5 fits the side of the front door in the X direction. Step 2: After ensuring that the device is in place, the operator uses the left hand to hold the handle 4 to ensure that the device does not shake, and gently pushes the plastic fender 14 toward the rear of the vehicle body with the right hand, so that the plastic fender 14 fits the lower positioning section 11 of the lower positioning block 5 (the thickness of the lower positioning section 11 is the designed gap between the fender and the front door), ensuring that the gap between the plastic fender 14 and the front door 13 meets the requirements.The third step: open the control component, start the vacuum pump, and draw the vacuum. The suction cups installed on the front door upper suction block 2, the fender upper suction block 3, the fender lower suction block 6, and the front door lower suction block 7 can reliably adsorb the front door 13 or fender 14 due to the negative pressure. At this time, the device direction is fixed to achieve the purpose of ensuring the surface difference between the plastic fender 14 and the front door 13. The fourth step: tighten the fender in place with screws or nuts. After tightening, the control switch is turned off, the vacuum disappears, and the auxiliary device can be easily removed, and then the gap and surface difference between the front door 13 and the fender 14 are checked to be qualified. In this way, the gap and surface difference between the automobile fender 14 and the front door 13 are effectively guaranteed to meet the requirements. The auxiliary device for installing the automobile fender described in the present invention has a simple structure, can accurately control the gap when installing the fender, and will not cause surface and structural damage to the entire vehicle and its accessories. It can meet the requirements after one adjustment, improve the installation efficiency, and adapt to the rhythm of the production line.

[0025] The upper suction block 9 includes a suction block 2 on the front door and a suction block 3 on the fender. In the above structure, the suction block 2 on the front door and the suction block 3 on the fender can be provided in plurality, respectively, for reliably adsorbing the front door and the fender, and the suction block 2 on the front door and the suction block 3 on the fender are respectively fixed on the device body 8, and the position of the front door 13 and the fender 14 is fixed after adsorption.

[0026] The lower suction block 10 includes a front door lower suction block 7 and a fender lower suction block 6. In the above structure, a plurality of front door lower suction blocks 7 and fender lower suction blocks 6 can be respectively provided for reliable suction of the front door and the fender, and the front door lower suction block 7 and the fender lower suction block 6 are respectively fixed on the device body 8, that is, after suction, the front door 13 and the fender 14 are fixed in position.

[0027] The upper suction block 9 is connected to the vacuum pipeline, the lower suction block 10 is connected to the vacuum pipeline, the vacuum pipeline is connected to the vacuum pump, and the vacuum pump is provided with a control component. The vacuum pump and the vacuum pipeline cooperate to realize the supply and cancellation of vacuum. When supplying, the suction block can be reliably adsorbed, and when canceling, the suction block can be easily separated. The upper positioning block 1 can also be provided with a suction cup for adsorption. Alternatively, the upper positioning block uses a hook structure and is clamped in the corresponding position of the front door to achieve position fixing and positioning.

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

[0029] The lower positioning block 5 is arranged near the middle of the inner side of the device body 8. With the above structure, when the device is used, the lower positioning section 11 of the lower positioning block 5 is clamped between the front door and the fender, which can reliably define the gap between the front door and the fender and realize fast and accurate gap control.

[0030] The handle 4 is arranged outside the device body 8. With the above structure, the handle 4 can be connected to the device body 1 by bolts, and the handle is convenient for the operator to hold the control device for on-site operation.

[0031] When the auxiliary device for automobile fender installation is used for auxiliary fender installation, the upper suction block 2 of the front door is set to a structure capable of fixing and adsorbing the front door 13, and the suction block 3 on the fender is set to a structure capable of fixing and adsorbing the fender 14; the lower suction block 7 of the front door is set to a structure capable of fixing and adsorbing the front door 13, and the lower suction block 6 of the fender is set to a structure capable of fixing and adsorbing the fender 14. The upper suction block 9 includes a profiling block 15 and a suction cup 16, the suction cup 16 is located in a groove on the surface of the profiling block 15, and the suction cup 16 is connected to the vacuum pipeline. The lower suction block 10 includes a profiling block 15 and a suction cup 16, the suction cup 16 is located in a groove on the surface of the profiling block 15, and the suction cup 16 is connected to the vacuum pipeline. Each suction cup is connected to the vacuum pipeline through a branch pipe. In this way, synchronous and equal pressure supply of vacuum can be reliably achieved to meet the adsorption requirements.

[0032] The profiling block 15, the upper positioning block 1 and the lower positioning block 5 are all made of nylon material. With the above structure, the structural strength of each component meets the requirements and will not scratch the vehicle body.

[0033] The auxiliary device for installing a car fender described in the present invention is provided with a device body 8, which is the basis for installing related components. An upper positioning block 1 and an upper leveling block 9 are provided on the upper part of the device body 8. The upper positioning block 1 is used to achieve positioning with the front door 8 of the whole vehicle, and the upper leveling block 9 is used to absorb the front door 13 and the fender 14 to achieve upper positioning of the device. A lower leveling block 10 is provided at the lower part of the device body 8. The lower leveling block 10 is used to absorb the front door 13 and the fender 14 to achieve lower positioning of the device. A lower positioning block 5 is provided on the inner side of the device body 8, and a protruding lower positioning section 11 is provided on the lower positioning block 5. During the installation and adjustment process, the lower positioning block 5 fits the front door 13 and the fender 14, and the lower positioning section 11 extends between the side of the front door 13 and the side of the fender 14 to limit the gap between the two. According to the needs of different models, multiple lower positioning blocks 5 can be set according to the gap, or the lower positioning blocks 5 with different lower positioning sections 11 can be replaced, so as to realize the gap control reliably and quickly, and the same device only needs to replace the lower positioning block 5 to be applicable to different models, which effectively improves the versatility, reduces the number of devices produced, and reduces the production cost of the device. In order to stably fix the device, six degrees of freedom are used for constraint, the X direction is the front and rear direction of the vehicle body, the Y direction is the up and down direction of the vehicle body, and the Z direction is the left and right direction of the vehicle body. The upper fender suction block 3, the lower fender suction block 6, the upper front door suction block 2, and the lower front door suction block 7 suck the fender 14 and the front door 13 tightly through their respective suction cups through the vacuum effect of compressed air to control the Y direction. The upper positioning block 1 is fixed to the vehicle body by vacuum adsorption to realize the control of the device in the X / Z direction, and the lower positioning block 5 controls the X direction of the device. When the device is used, the welding adjustment line adjusts the front door 13 into place and then reaches the final assembly line after painting, and finally the plastic fender 14 is assembled in the final assembly. Step 1: Pre-hang the fender 14 onto the vehicle body, and then fit the auxiliary device for installing the plastic fender 14 onto the vehicle body, ensuring that the upper positioning block 1 fits the front door 13 in the X / Z direction, and then the operator pushes the device toward the rear side of the vehicle body, ensuring that the lower positioning block 5 fits the side of the front door in the X direction. Step 2: After ensuring that the device is in place, the operator uses the left hand to hold the handle 4 to ensure that the device does not shake, and gently pushes the plastic fender 14 toward the rear of the vehicle body with the right hand, so that the plastic fender 14 fits the lower positioning section 11 of the lower positioning block 5 (the thickness of the lower positioning section 11 is the designed gap between the fender and the front door), ensuring that the gap between the plastic fender 14 and the front door 13 meets the requirements. Step 3: Open the control component, start the vacuum pump, and draw vacuum. The suction cups installed on the front door upper suction block 2, the fender upper suction block 3, the fender lower suction block 6, and the front door lower suction block 7 can reliably adsorb the front door 13 or the fender 14 due to the negative pressure. At this time, the device direction is fixed to achieve the purpose of ensuring the surface difference between the plastic fender 14 and the front door 13.Step 4: Tighten the fender in place with screws or nuts, and after tightening, turn off the control switch, the vacuum disappears, and the auxiliary device can be easily removed, and then check whether the gap and surface difference between the front door 13 and the fender 14 are qualified. In this way, it is effectively ensured that the gap and surface difference between the car fender 14 and the front door 13 meet the requirements.

[0034] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An auxiliary device for installing a car fender, characterized in that: An upper positioning block (1) and an upper leveling block (9) are arranged on the upper part of the device body (8), a lower leveling block (10) is arranged on the lower part 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 fender (14) is assembled in the final assembly; When the auxiliary device for installing an automobile fender is used to assist in installing the fender (14), the upper suction block (2) of the front door is configured as a structure capable of fixing and adsorbing the front door (13), and the upper suction block (3) of the fender is configured as a structure capable of fixing and adsorbing the fender (14); the lower suction block (7) of the front door is configured as a structure capable of fixing and adsorbing the front door (13), and the lower suction block (6) of the fender is configured as a structure capable of fixing and adsorbing the fender (14); and the lower positioning section (11) is configured as a structure capable of extending between the side of the front door (13) and the side of the fender (14) to limit the gap between the side of the front door (13) and the side of the fender (14).

2. The auxiliary device for installing an automobile fender according to claim 1, characterized in that: The upper leveling block (9) comprises a leveling block (2) on the front door and a leveling block (3) on the fender.

3. The auxiliary device for installing a car fender according to claim 1 or 2, characterized in that: The lower leveling block (10) comprises a front door lower leveling block (7) and a fender lower leveling block (6).

4. The auxiliary device for installing an automobile fender according to claim 3, characterized in that: The upper suction block (9) is connected to a vacuum pipeline, the lower suction block (10) is connected to a vacuum pipeline, the vacuum pipeline is connected to a vacuum pump, and the vacuum pump is provided with a control component.

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

6. The auxiliary device for installing an automobile fender according to claim 1 or 2, characterized in that: A lower positioning block (5) is arranged near the middle of the inner side of the device body (8).

7. The auxiliary device for installing an automobile fender according to claim 1 or 2, characterized in that: A handle (4) is arranged on the outside of the device body (8).

8. The auxiliary device for installing an automobile fender according to claim 1 or 2, characterized in that: The upper suction block (9) comprises a profiling block (15) and a suction cup (16), wherein the suction cup (16) is located in a groove on the surface of the profiling block (15), and the suction cup (16) is connected to a vacuum pipeline. The lower suction block (10) comprises a profiling block (15) and a suction cup (16), wherein the suction cup (16) is located in a groove on the surface of the profiling block (15), and the suction cup (16) is connected to a vacuum pipeline.

9. The auxiliary device for installing 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 structures made of nylon material.

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