Detection tool for front cover plate of protection plate of automobile parcel shelf

Abstract

The utility model discloses a testing fixture for a front cover plate of a protection plate of an automobile parcel shelf, and relates to the technical field of automobile part detection, the testing fixture comprises a cast aluminum bottom plate, a go-no go gauge and a reference hole, the cast aluminum bottom plate is provided with a plurality of supporting frames, and the supporting frames are provided with simulation blocks, turnover mechanisms, locking pins, detection pins and surface detection pins used for detecting products, and positioning pins. The simulation blocks comprise a lock catch simulation block, a C column simulation block and a cover plate simulation block, the turnover mechanism comprises a rotating support, a simulation block arranged at the front end of the rotating support and a fixing pin used for fixing the rotating support, and a surface testing piece is arranged on the surface testing pin; the device is simple in structure, can simulate the loading state, is convenient to operate, can be moved to a production site for rapid detection, can rapidly reflect whether parts are qualified or not, can also cooperate with a three-coordinate measuring instrument for qualitative measurement, saves the labor cost and the time cost, improves the detection efficiency, and increases the qualified rate of the parts.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts detection, in particular to a detection fixture for a front cover plate of an automobile parcel rack guard plate. Background Art

[0002] Today's automobile industry has high requirements for the matching status of assembly products. Automobile parcel shelf guard front cover products are appearance parts with high dimensional requirements, especially process fluctuations have a great impact on the contour and surface of parts. When using calipers for inspection, it takes a long time and has large deviations. It cannot quickly reflect whether the parts are qualified or not and the matching status with other parts. It is not suitable for monitoring the production process of a large number of parcel shelf guard front covers.

[0003] Therefore, it is necessary to design a vehicle parcel rack guard plate front cover inspection fixture to improve the above problems. Utility Model Content

[0004] In view of the above problems in the prior art, the utility model provides a vehicle parcel rack guard front cover plate inspection fixture, which can quickly and accurately detect the outer contour and size of the vehicle parcel rack guard front cover plate, and quickly respond to whether the part is qualified or not.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A vehicle parcel rack guard plate front cover inspection fixture comprises a cast aluminum base plate, a go / no-go gauge, and a reference hole for three-coordinate detection and positioning; the cast aluminum base plate is provided with a plurality of support frames, the support frames are provided with simulation blocks and flipping mechanisms for detection, locking pins for fixing products, detection pins and inspection pins for detecting products, and positioning pins for positioning products; the simulation blocks comprise a lock simulation block, a C-pillar simulation block, and a cover plate simulation block; the flipping mechanism comprises a rotating bracket rotatably connected to the support bracket, a simulation block for detection arranged at the front end of the rotating bracket and following the shape of the product, and a fixing pin for fixing the rotating bracket; and the inspection pins are provided with inspection pieces.

[0007] Preferably, a movable frame is included.

[0008] Preferably, a storage box for placing simulation blocks is provided in the movable frame.

[0009] Preferably, a lifting ring for lifting is provided on the cast aluminum base plate.

[0010] Preferably, support feet are provided at the lower portion of the cast aluminum base plate.

[0011] Preferably, a plurality of pin seats are provided on the support frame.

[0012] Due to the adoption of the above technical solution, compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is a kind of automobile parcel rack guard plate front cover inspection fixture, which simulates the loading state, is easy to operate, and can be moved to the production site for rapid inspection;

[0014] 2. The utility model is a kind of automobile parcel shelf guard plate front cover plate inspection fixture, which can accurately and quickly detect the hole position, contour and size of the parcel shelf guard plate front cover plate, can quickly respond to whether the parts are qualified or not, and can also cooperate with the three-coordinate measuring instrument for qualitative measurement;

[0015] 3. The utility model provides a vehicle parcel rack guard plate front cover inspection fixture with comprehensive inspection data, saves labor costs and time costs, improves inspection efficiency, and increases the parts qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other purposes and results of the present invention will become more clear and easy to understand. In the accompanying drawings:

[0017] Figure 1 It is a stereogram of an example of the utility model;

[0018] Figure 2 It is a side view of an example of the utility model;

[0019] Figure 3 It is the front view of the example of the utility model;

[0020] Figure 4 It is a top view of an example of the utility model;

[0021] The figure marks include: cast aluminum base plate 1, go / no-go gauge 2, reference hole 3, support frame 4, simulation block 5, flip mechanism 6, locking pin 7, detection pin 8, surface inspection pin 9, positioning pin 10, movable frame 11, lifting ring 12, support foot 13, pin seat 41, lock simulation block 51, C-pillar simulation block 52, cover plate simulation block 53, rotating bracket 61, fixing pin 62, storage box 111. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present utility model.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. It should be pointed out that all the drawings are exemplary representations. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] The present invention will be further described in detail below through specific implementation examples in conjunction with the accompanying drawings.

[0026] Reference Figures 1 to 4A vehicle parcel shelf guard plate front cover inspection fixture includes a cast aluminum base plate 1, a go / no-go gauge 2, a reference hole 3, a support frame 4, a simulation block 5, a flip mechanism 6, a locking pin 7, a detection pin 8, a surface inspection pin 9, a positioning pin 10, a movable frame 11, and a flush ruler (not shown). The cast aluminum base plate 1 is provided with a lifting ring 12 for lifting, and a supporting foot 13 is provided at the lower part of the cast aluminum base plate 1; the go / no-go gauge 2 is arranged on the cast aluminum base plate 1, and is used to detect the gap between the product and the simulation block; the reference hole 3 is arranged on the cast aluminum base plate 1, and is used for three-coordinate detection and positioning. A plurality of support frames 4 are arranged on the cast aluminum bottom plate 1, and a simulation block 5, a flip mechanism 6, a locking pin 7, a detection pin 8, a surface inspection pin 9, and a positioning pin 10 are arranged on the support frame 4. The simulation block 5 follows the shape of the product to facilitate the detection of the outer contour of the product. The shape formed by the plurality of simulation blocks 5 matches the appearance of the product. The simulation block 5 includes a lock simulation block 51, a C-pillar simulation block 52, and a cover simulation block 53. The flip mechanism 6 includes a rotating bracket 61, a simulation block 5, and a fixing pin 62. The rotating bracket 61 is rotatably connected to the support frame 4. The simulation block 5 is arranged at the front end of the rotating bracket 61 and follows the shape of the product. The fixing pin 62 can be inserted into the fixed rotating bracket 61 to fix the fixed rotating bracket. The flip mechanism 6 is preferably provided with three. Opening the flip mechanism 6 can make it more convenient to disassemble the product or facilitate inspection. The locking pin 7 can fix the product on the support frame 4. The detection pin 8 is used to detect the hole position of the product. One end of the detection pin 8 is provided with a detection block matching the hole position of the product. The surface inspection pin 9 is used to detect the hole position of the product and the surface difference of the product. The surface inspection pin 9 is provided with a surface inspection piece (not shown). The size of the gap between the surface inspection piece and the product can be used to judge whether the surface difference of the product is qualified or not. The positioning pin 10 is provided on the support frame 4. The positioning pin 10 is used to locate the product. In addition, the support frame 4 is provided with a plurality of pin seats 41. The pin seats 41 are used to insert the detection pin 8, the surface inspection pin 9, and the positioning pin 10. The inspection tool of the utility model also includes a movable frame 11. The movable frame 11 is provided with a storage box 111 for placing the simulation block 5. The inspection tool of the utility model is placed on the movable frame 11 and can be conveniently moved to any inspection position on site for inspection.

[0027] The following will refer to Figures 1 to 4 , the working principle of the utility model is explained.

[0028] 1) Open the flip mechanism 6 to put the inspection tool in a non-working state;

[0029] 2) Align the product with the positioning pin 10 to position it, place the product, then tighten the locking pin 7, and finally close the flip mechanism 6 to completely position the product;

[0030] 3) Install the removable simulation block 5, and use the go / no-go gauge (φ4.7-φ5.3) to check the 5mm gap around the product. If the through end can pass and the stop end cannot, it is qualified. Use the flush ruler (F=±0.3) to check the surface of the product around the circle. If the difference between the product and the simulation block is within the range of ±0.3, it is qualified.

[0031] 4) Insert or push a plurality of detection pins 8 to detect whether the position and size of the corresponding holes are qualified;

[0032] 5) Insert or push the inspection pin 9 into the inspection fixture to check whether the position and size of the corresponding hole are qualified. Use a go / no-go gauge (φ4.5-φ5.5) to check the gap between the inspection piece and the product and the 5mm gap around the product. If the go end can pass and the no-go end cannot pass, it is qualified;

[0033] 6) Install the lock simulation block 51, the C-pillar simulation block 52, and the cover simulation block 53, and observe the matching conditions.

[0034] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A vehicle parcel shelf guard plate front cover inspection fixture, comprising a cast aluminum base plate, a go / no-go gauge, and a reference hole for three-coordinate detection and positioning, characterized in that: The cast aluminum bottom plate is provided with a plurality of support frames, the support frames are provided with simulation blocks and flipping mechanisms for detection, locking pins for fixing products, detection pins and inspection pins for detecting products, and positioning pins for positioning products. The simulation blocks include lock simulation blocks, C-pillar simulation blocks, and cover simulation blocks. The flipping mechanism includes a rotating bracket rotatably connected to the support frame, a simulation block for detection arranged at the front end of the rotating bracket and following the shape of the product, and a fixing pin for fixing the rotating bracket. The inspection pins are provided with inspection pieces.

2. The vehicle parcel rack guard plate front cover inspection fixture according to claim 1, characterized in that: Includes removable frame.

3. The vehicle parcel rack guard plate front cover inspection fixture according to claim 2, characterized in that: A storage box for placing simulation blocks is arranged inside the movable frame.

4. The automobile parcel rack guard plate front cover inspection fixture according to claim 1, characterized in that: The cast aluminum bottom plate is provided with a lifting ring for lifting.

5. The automobile parcel rack guard plate front cover inspection fixture according to claim 1, characterized in that: The lower part of the cast aluminum bottom plate is provided with supporting feet.

6. The automobile parcel rack guard plate front cover inspection fixture according to claim 1, characterized in that: The support frame is provided with a plurality of pin seats.

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