A detection device for segmented wheel arch accuracy detection

Abstract

The present invention relates to the field of wheel arch detection equipment, specifically a device for detecting the accuracy of segmented wheel arches. The device comprises a support frame, a support platform disposed on the support frame, a support plate disposed on the support platform, and a frame detection mechanism for detecting the edge of the wheel arch and a fixing mechanism for fixing the wheel arch. The present invention discloses a device for detecting the accuracy of segmented wheel arches. By combining a snap-on fixing component with a screw fixing mechanism, the device can simultaneously detect the segmented wheel arches, avoiding the error accumulation problem associated with conventional separate detection.

Description

Technical Field

[0001] The present invention relates to the field of wheel eyebrow detection equipment, in particular to a detection device for segmented wheel eyebrow precision detection. Background Art

[0002] With the improvement of living standards, cars are a common means of transportation for every family. Auto parts include wheel arches. The main function of wheel arches is to decorate and reduce the wind resistance of the vehicle. At the same time, they have a good effect of preventing the vehicle body from being scratched and reducing the scratches on the wheel hub.

[0003] Because wheel arches are external accessories, in order to facilitate subsequent installation, the size needs to be controlled to avoid large dimensional errors affecting subsequent assembly; and in order to ensure the production accuracy of wheel arches, it is necessary to inspect the wheel arches during production, so a checking fixture for wheel arch inspection is now needed. Summary of the Invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a detection device for detecting the manufacturing accuracy of the outer contour of a wheel arch.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A detection device for segmented wheel arch accuracy detection includes a support frame, a support platform is provided on the support frame, a support plate is provided on the support platform, and a frame detection mechanism for wheel arch edge detection and a fixing mechanism for fixing the wheel arch are provided on the support plate.

[0007] The frame detection mechanism includes a simulation block fixed on a support plate, wherein the inner side of the simulation block is provided with a simulation surface having the same shape as the outer side of the wheel arch to be detected; and a plurality of avoidance grooves are provided on the inner side surface of the simulation block.

[0008] The fixing mechanism includes a snap-on fixing component; the snap-on fixing component includes a fixed support frame, the fixed support frame is provided with a snap-on block, the snap-on block includes a longitudinal plate and a transverse plate, the transverse plate is movably connected to the fixed support frame through the longitudinal plate; the lower end of the snap-on block is connected to the fixed support frame through a rotating shaft, the longitudinal plate is connected to a first cable, and the first cable passes through the fixed support frame and is connected to a driving part.

[0009] The fixed support frame is provided with a limiting placement groove; the side of the limiting placement groove is provided with a lateral groove for positioning.

[0010] The fixing mechanism also includes a screw fixing mechanism, which includes a base block, a screw clamping portion provided on the base block, and the screw clamping portion includes a fixed block and a movable block provided on the base block. The fixed block is fixedly connected to the base block, and the movable block is connected to a slideway on the base block through a slider. The movable block is connected to a second cable, and the second cable passes through the fixed block and is connected to the driving portion.

[0011] The detection device also includes a overlapping block for overlapping two sections of wheel arches, the overlapping block includes a bottom block, a positioning block is provided on the bottom block, the positioning block includes a first positioning block and a second positioning block, the first positioning block and the second positioning block are arranged relative to each other; the gap between the first positioning block and the second positioning block forms the positioning gap of the wheel arch.

[0012] The support plate is provided with a limiting mechanism, which includes a limiting block. The limiting block is provided with a plug-in column; the plug-in column passes through the wheel arch and is connected to the limiting block.

[0013] The detection device includes a lateral limit block arranged on the support plate, one end of the lateral limit block is connected to the support plate, and the other end is in contact with the wheel arch to be tested; an extrusion block is provided on the side of the lateral limit block close to the wheel arch.

[0014] The side of the extrusion block close to the wheel arch is an outer arc; the lateral limit block is connected to the support plate through a sliding part; the sliding part includes a sliding cross block arranged on the lateral limit block, and the support plate is provided with a sliding waist-shaped groove; the sliding cross block is connected to the support plate by a fastening bolt passing through the transverse slider and the sliding waist-shaped groove.

[0015] The support plate is further provided with a lifting column, which is connected to the support plate through an adjusting screw rod; a rotating ball is provided at the end of the lifting column; and the adjusting screw rod is arranged through the support plate.

[0016] The advantages of the present invention are:

[0017] The present invention discloses a detection device for precision detection of segmented wheel arches; the present invention can realize simultaneous detection of segmented wheel arches by cooperating with a snap-on fixing component and a screw fixing mechanism, thereby avoiding the error accumulation problem caused by conventional separate detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following is a brief description of the contents and symbols in the drawings of the present invention:

[0019] Figure 1 This is a structural diagram of the present invention from a first viewing angle.

[0020] Figure 2 This is a structural diagram of the second viewing angle of the present invention.

[0021] Figure 3 It is a structural schematic diagram of the third viewing angle of the present invention.

[0022] Figure 4 Schematic diagram of the structure of the wheel arch to be tested in the present invention.

[0023] Figure 5 for Figure 2 A partial enlarged view of area A in the middle.

[0024] Figure 6 for Figure 2 A partial enlarged view of area B in the middle.

[0025] Figure 7 for Figure 2 A partial magnified view of the D area in the middle.

[0026] Figure 8 for Figure 3 A partial enlarged view of the middle C area.

[0027] Figure 9 It is a structural schematic diagram of the jacking column in the present invention.

[0028] Figure 10 It is a structural schematic diagram of the second cable connected to the cable guide portion in the present invention.

[0029] Figure 11 This is a structural diagram of the first guide column after the guide sleeve is installed in the present invention.

[0030] Figure 12 It is a top view of the fixed support frame in the present invention.

[0031] The marks in the above figure are:

[0032] 1. Support frame, 2. Support platform, 3. Support plate, 4. Fender plate, 5. Frame detection mechanism, 6. Fixing mechanism, 7. Overlap block, 8. Limiting mechanism, 9. Lateral limit block. DETAILED DESCRIPTION

[0033] The specific implementation of the present invention will be further explained in detail below by describing the best embodiment with reference to the accompanying drawings.

[0034] A detection device for detecting the accuracy of a segmented wheel eyebrow, comprising a support frame 1, a support platform 2 being provided on the support frame 1, a support plate 3 being provided on the support platform 2, a frame detection mechanism 5 for detecting the edge of the wheel eyebrow and a fixing mechanism 6 for fixing the wheel eyebrow being provided on the support plate 3; the arrangement of the support frame 1, the support platform 2 and the support plate 3 provides a place for placing the frame detection mechanism 5 and the fixing mechanism 6, which facilitates the arrangement of components; in addition, the frame detection mechanism 5 and the fixing mechanism 6 of the present invention are used in combination to realize the positioning of the wheel eyebrow well; in addition, in combination with a micrometer or a detection column, the manufacturing accuracy of the wheel eyebrow can be detected and whether the wheel eyebrow meets the production requirements can be determined; the detection column here can use an existing column structure to determine the distance between the wheel eyebrow to be measured and the standard surface, or it can be determined by reading the distance between the measuring surface on the micrometer and the standard surface. The judgment is made based on the measurement method here, which belongs to the well-known technology and will not be described here. In addition, as a preferred embodiment, the frame detection mechanism 5 in the present invention includes a simulation block 51 fixed on the support plate 3. The simulation block 51 here is the recognized standard block. The distance between the surface to be measured and the simulation block 51 is measured to determine whether the outer contour of the wheel arch meets the requirements. In addition, the simulation block 51 in the present invention is provided with a simulation surface 52 with the same shape as the outer side of the wheel arch to be detected on the inner side; the simulation surface 52 is equivalent to a trough structure, and its appearance is exactly the same as the shape of the surface to be measured of the part to be measured. At the same time, in order to avoid the buckle on the wheel arch, the simulation block 51 in the present invention is provided with a plurality of avoidance grooves on the inner side. The original function of the avoidance groove here is to play an avoidance role, and it can be known in the subsequent use process that another purpose of setting the avoidance groove in the present invention is to facilitate the setting of the snap-on fixing component 61.

[0035] Preferably, the fixing mechanism 6 in the present invention includes a snap-on fixing component 61 and a screw fixing mechanism 62. Due to different vehicle models, the structure of the wheel arch is different. In actual production, one type of wheel arch is a segmented design, as shown in the accompanying drawings. That is, in actual use, two wheel arch plates 4 need to be spliced ​​together. The specific structure is shown in the accompanying drawings. Because the two wheel arch plates 4 are installed in different positions, the connection method between the wheel arch plates 4 and adjacent components is different, which results in different fixing methods in the fixing mechanism during detection.

[0036] For example, the right wheel eyebrow plate 4 is connected to the adjacent components through the snap-fit ​​structure 421, and the left wheel eyebrow plate 4 is connected to the adjacent components through the bolt 411; although the traditional wheel eyebrow detection tooling also has a frame detection mechanism 5 equivalent to the present invention, the traditional detection tooling can only detect a single type of wheel eyebrow, and the assembled wheel eyebrow needs to be disassembled for inspection, and the assembled structure of the two cannot be simulated at the same time; the present invention can solve the above problems.

[0037] At the same time, for the convenience of description, the following is based on the attached figure and is calibrated as follows: the wheel eyebrow placed on the right side of the figure is called the right wheel eyebrow 2; the wheel eyebrow placed on the left side is called the left wheel eyebrow 1.

[0038] Preferably, the fixing mechanism 6 in the present invention further includes a screw fixing mechanism 62, the screw fixing mechanism 62 includes a base block 621, the base block 621 is provided with a screw clamping portion, the screw clamping portion includes a fixed block 622 and a movable block 623 provided on the base block 621, the fixed block 622 is fixedly connected to the base block 621, the movable block 623 is connected to the slideway 6221 on the base block 621 through a slider, the movable block 623 is connected to a second cable 624, and the second cable 624 passes through the fixed block 62 2 is connected to the driving part; the base block 621 of the present invention plays a bottom supporting role, and the screw clamping part is used to fix the screws on the wheel eyebrow plate 4; the present invention realizes the clamping of the screws by changing the relative position between the movable block 623 and the fixed block 622, thereby realizing the binding and fixing of the wheel eyebrow plate 4 to be measured; this is a fixing method of the wheel eyebrow plate 4, and the other is to fix the wheel eyebrow plate 4 by using a buckle as a fixing component; in the present invention, it is a buckle type fixing component 61, and the buckle fixing component 61 of the present invention includes a fixing support frame 611, and the fixing The support frame 611 is provided with a clamping block 612, which includes a longitudinal plate 6121 and a transverse plate 6122. The transverse plate 6122 is movably connected to the fixed support frame 611 through the longitudinal plate 6121; the lower end of the clamping block 612 passes through the wheel eyebrow and is connected to the fixed support frame 611 through a rotating shaft plug column, and the longitudinal plate 6121 is connected to a first cable 615, which passes through the fixed support frame 611 and is connected to a driving part; in the present invention, the fixed support frame 611 plays a basic supporting role, and the fixed support frame 611 It is fixedly connected to the support plate 3, and a clamping block 612 is provided on the fixed support frame 611. One end of the clamping block 612 is movably connected to the fixed support frame 611, and the other end is freely extended. When in use, the first cable 615 is pulled to rotate the clamping block 612 around the rotation axis, so that the transverse plate 6122 on the clamping block 612 is inserted into the clamping groove on the wheel eyebrow; thereby, the wheel eyebrow plate 4 to be tested is fixed; in the present invention, the clamping connection method is used to simulate the scene when the wheel eyebrow plate 4 is clamped and assembled with adjacent components, so that the detection result is more in line with the actual assembly.

[0039] Preferably, the fixed support frame 611 described in the present invention is provided with a limiting placement groove 614; the limiting placement groove 614 plays a limiting role, which can limit the card block on the wheel eyebrow plate 4, making it convenient for the card block 612 to be connected with the card slot on the card block. In addition, as a greater optimization, the side of the limiting placement groove 614 described in the present invention is provided with a lateral groove 6141 for positioning; the lateral groove 6141 plays a positioning role, which can achieve lateral limitation of the card block; to a certain extent, better ensure the accuracy of the placement of the wheel eyebrow plate 4 to be tested.

[0040] Preferably, the detection device in the present invention also includes a overlapping block 7 for overlapping two sections of wheel arches, the overlapping block 7 includes a bottom block 71, and a positioning block is provided on the bottom block 71, and the positioning block includes a first positioning block 72 and a second positioning block 73, and the first positioning block 72 and the second positioning block 73 are arranged relative to each other; the gap between the first positioning block 72 and the second positioning block 73 forms a positioning gap 7-1 of the wheel arch; the first positioning block 72 and the second positioning block 73 are arranged relative to each other, playing a basic limiting role, and the connection between the two adjacent wheel arch plates 4 can be well supported due to the support of the first positioning block 72 and the second positioning block 73, thereby avoiding the sinking or displacement of the wheel arch plate 4 due to the existence of gravity, affecting the subsequent detection results; in addition, the above-mentioned positioning gap 7-1 is used in conjunction with the side edges of the end of the right wheel arch 2 and the left wheel arch 1, and plays a certain positioning and limiting role.

[0041] Preferably, the support plate 3 in the present invention is provided with a limiting mechanism 8, the limiting mechanism 8 includes a limiting block 81, and the limiting block 81 is provided with a plug-in column 82; the plug-in column 82 passes through the wheel eyebrow and is connected to the limiting block 82; through the setting of the limiting mechanism 8, through the cooperation of the limiting block 81 and the plug-in column 82, the plug-in column 82 passes through the wheel eyebrow plate 4 and is connected to the limiting block 82. Such a setting can ensure that the wheel eyebrow plate 4 is stably restrained, and avoid the wheel eyebrow plate 4 from being offset and tilted during measurement.

[0042] Preferably, the detection device in the present invention includes a lateral limit block 9 arranged on the support plate 3, one end of the lateral limit block 9 is connected to the support plate 3, and the other end is in contact with the wheel arch to be measured; the lateral limit block 9 is provided with an extrusion block 91 close to the wheel arch side; the lateral limit block 9 can limit the wheel arch plate 4; it can cooperate with other fixing components to better limit the wheel arch plate 4; ensure the stability of the fixation of the wheel arch to be measured; in the present invention, the lateral limit block is on the outside of the wheel arch plate 4 after it is placed, and when the support plate is in a vertical state, the lateral limit block is below the wheel arch plate 4, as shown in the accompanying drawings; the limiting lateral plate plays a certain limiting role to ensure the stability of the wheel arch placement.

[0043] Preferably, the extrusion block 91 in the present invention is an outer arc on the side close to the wheel arch; through such a setting, it is possible to ensure that the contact area between the extrusion block 91 and the wheel arch is reduced, facilitate the subsequent placement of the wheel arch, and reduce the interference problem between subsequent components. In addition, as an optimization, the lateral limit block 9 in the present invention is connected to the support plate 3 through a sliding portion; the sliding portion includes a sliding cross block 92 arranged on the lateral limit block 9, and the sliding cross block 92 is provided with a sliding waist groove 93; the sliding cross block 92 is connected to the support plate 3 through a fastening bolt passing through the transverse slider 92 and the sliding waist groove 93; through the setting of the sliding portion, the distance between the lateral limit block 9 and the wheel arch plate 4 to be measured can be changed as needed, which better avoids the interference problem between the wheel arch plate 4 and the extrusion block 91 when it is placed.

[0044] Preferably, the support plate 3 in the present invention is further provided with a lifting column 101, and the lifting column 101 is connected to the support plate 3 through an adjusting screw rod 1012; a rotating ball 1011 is provided at the end of the lifting column 101; the adjusting screw rod 1012 is set through the support plate 3; the lifting column 101 plays a role of preliminary support, and when the wheel eyebrow plate 4 is placed, the wheel eyebrow plate 4 first contacts the upper end of the lifting column 101, and after determining the approximate position, the wheel eyebrow plate 4 is slowly lowered by rotating the adjusting screw rod 1012 to ensure that the entire wheel eyebrow plate 4 can basically fall into the set position at the same time. Through such a setting, the conventional assembly error caused by the inability to place the wheel eyebrow plate 4 steadily can be avoided; the setting of the rotating ball can avoid damage to the wheel eyebrow plate 4 when the lifting column rotates.

[0045] As a greater optimization, the support plate of the present invention is provided with a plurality of cable guide parts 6-1 for guiding the first cable and the second cable, and the cable guide part 6-1 includes a first guide column 6-11 and a second guide column 6-12; the first guide column 6-11 and the second guide column 6-12 are arranged relative to each other; the present invention can limit the position of the first cable and the second cable in the screw fixing mechanism and the snap-on fixing component through the arrangement of the cable guide part 6-1, because the first cable in the present invention passes through the fixed support frame and is connected to the driving part, if the cable passes through the fixed support frame, it is connected to the driving part, if the driving part is not arranged at the first cable outlet position, such as the position disclosed in the attached figure, this will inevitably cause the cable movement direction to deviate, which is likely to cause wear at the edge of the cable and the fixed support frame, affecting the service life of the cable, The second cable also has the same problem as the first cable mentioned above; in order to avoid such problems, the present invention adds a cable guide part 6-1, and the cable guide part 6-1 includes two guide columns, the first guide column 6-11 and the second guide column 6-12 are spaced apart, and the first cable or the second cable passes through the gap between the first guide column 6-11 and the second guide column 6-12, which avoids the cable from having a large turning angle, which is beneficial to extending the service life of the cable; as a greater optimization in the present invention, a guide sleeve 6-111 is respectively provided on the first guide column 6-11 and the second guide column 6-12, and the guide sleeve 6-111 can rotate around the first guide column 6-11 or the second guide column 6-12, which can reduce the friction between the cable and the first guide column 6-11 or the second guide column 6-12, which is beneficial to improving the service life of the cable.

[0046] Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention, they are all within the scope of protection of the present invention.

Claims

1. A detection device for detecting the accuracy of segmented wheel arches, characterized in that: It includes a support frame, a support platform is provided on the support frame, a support plate is provided on the support platform, and a frame detection mechanism for detecting the edge of the wheel eyebrow and a fixing mechanism for fixing the wheel eyebrow are provided on the support plate; The frame detection mechanism includes a simulation block fixed on the support plate, the inner side of the simulation block is provided with a simulation surface with the same shape as the outer side of the wheel arch to be detected; the inner side of the simulation block is provided with a plurality of avoidance grooves; The fixing mechanism includes a snap-on fixing component; the snap-on fixing component includes a fixed support frame, the fixed support frame is provided with a snap-on block, the snap-on block includes a longitudinal plate and a transverse plate, the transverse plate is movably connected to the fixed support frame through the longitudinal plate; the lower end of the snap-on block is connected to the fixed support frame through a rotating shaft, the longitudinal plate is connected to a first cable, and the first cable passes through the fixed support frame and is connected to a driving part; The fixing mechanism further includes a screw fixing mechanism, the screw fixing mechanism includes a base block, the base block is provided with a screw clamping portion, the screw clamping portion includes a fixed block and a movable block provided on the base block, the fixed block is fixedly connected to the base block, the movable block is connected to a slideway on the base block via a slider, the movable block is connected to a second cable, and the second cable passes through the fixed block and is connected to the driving portion; The detection device also includes a joining block for joining two sections of wheel arches, the joining block including a bottom block, a positioning block provided on the bottom block, the positioning block including a first positioning block and a second positioning block, the first positioning block and the second positioning block being arranged with a relative spacing; the gap between the first positioning block and the second positioning block forms a positioning gap for the wheel arch; The support plate is provided with a limiting mechanism, which includes a limiting block, and the limiting block is provided with a plug-in column; the plug-in column passes through the wheel arch and is connected to the limiting block; The support plate is provided with a plurality of cable guide parts for guiding the first cable and the second cable, and the cable guide parts include a first guide post and a second guide post; the first guide post and the second guide post are arranged opposite to each other; A guide sleeve is added to the first guide post and the second guide post respectively, and the guide sleeve can rotate around the first guide post or the second guide post; The support plate is further provided with a lifting column, which is connected to the support plate through an adjusting screw rod; a rotating ball is provided at the end of the lifting column; and the adjusting screw rod is arranged through the support plate.

2. The detection device for detecting the accuracy of segmented fender flares according to claim 1, characterized in that: The fixed support frame is provided with a limiting placement groove; the side of the limiting placement groove is provided with a lateral groove for positioning.

3. The detection device for detecting the accuracy of segmented fender flares according to claim 1, characterized in that: The detection device includes a lateral limit block arranged on the support plate, one end of the lateral limit block is connected to the support plate, and the other end is in contact with the wheel arch to be tested; an extrusion block is provided on the side of the lateral limit block close to the wheel arch.

4. The detection device for detecting the accuracy of segmented fender flares according to claim 3, characterized in that: The side of the extrusion block close to the wheel arch is an outer arc; the lateral limit block is connected to the support plate through a sliding part; the sliding part includes a sliding cross block arranged on the lateral limit block, and the support plate is provided with a sliding waist-shaped groove; the sliding cross block is connected to the support plate by a fastening bolt passing through the transverse slider and the sliding waist-shaped groove.

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