Adjustable automobile body multi-model shared testing fixture

Abstract

This utility model discloses an adjustable multi-model vehicle body inspection fixture, comprising a base, an adjustment frame, and an inspection module. The base is equipped with a slide rail, and the adjustment frame is connected to the slide rail via a slider. A lead screw is installed inside the main beam, and a handwheel drives a nut block to move the inspection module horizontally. The probes of the inspection module are replaceable, the inspection head has a fine-tuning function, and an indicator light shows the inspection status. A locking mechanism and a buffer pad are installed on the side plate to improve stability and reduce wear. This application enables two-dimensional adjustment of the inspection module, meets the inspection needs of various vehicle models, improves the flexibility and versatility of the inspection fixture, reduces enterprise costs, and increases production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing and testing technology, and in particular to an adjustable inspection tool for multiple automobile models. Background Technology

[0002] In the automotive manufacturing industry, body inspection is a crucial step in ensuring product quality. The design and use of inspection fixtures are particularly important given the differences in body structure across different car models. Due to variations in size and assembly requirements across models, traditional inspection fixtures are typically dedicated to a single model, necessitating multiple sets on the production line to meet the inspection needs of different vehicles. This not only increases production costs but also consumes significant storage space. Furthermore, changing fixtures when switching models is time-consuming, impacting overall production efficiency. In addition, existing inspection fixtures have limited adjustment capabilities, making it difficult to flexibly adapt to the inspection needs of multiple car models, and they require highly skilled operators, further limiting their applicability and convenience. Utility Model Content

[0003] The purpose of this utility model is to provide an adjustable inspection tool for multiple car body models, which solves the problems mentioned in the background art.

[0004] This utility model is implemented as follows: an adjustable inspection fixture for multiple car models, which mainly consists of a base, an adjustment frame set on the base, and a detection module installed on the adjustment frame.

[0005] The base, serving as the main structure, supports the adjustment frame and the detection module. A slide rail extends along the length of the base on its upper surface. The adjustment frame is connected to the slide rail via a slider, which is nested within the rail and secured with bolts. The bottom of the slider has a groove that matches the slide rail, containing ball bearings to reduce friction during sliding. Scale markings are located on both sides of the slide rail to aid in positioning the adjustment frame. After the adjustment frame is moved to the designated position along the slide rail by the slider, the slider is secured to the slide rail by tightening the bolts, thus achieving the position adjustment of the adjustment frame.

[0006] The adjustment frame includes a main beam, side plates at both ends of the main beam, and multiple adjustment units mounted on the main beam. The main beam is a rectangular tubular structure with a through-type lead screw inside. Both ends of the lead screw are connected to the ends of the main beam via bearings. One end of the lead screw extends to the outside of the main beam and is equipped with a handwheel with anti-slip grooves on its outer side. A nut block is attached to the lead screw and threadedly connected to it. The upper surface of the nut block is fixed to the detection module via a connector. When the lead screw is rotated, the nut block moves axially along the lead screw, thereby driving the detection module to move horizontally. The upper surface of the main beam has a guide groove extending along the length of the main beam. The bottom of the nut block is embedded in the guide groove to ensure stability during movement.

[0007] The side plates are symmetrically positioned at both ends of the main beam. A locking mechanism, consisting of a locking screw and a pressure plate, is located on the outer side of each side plate. One end of the locking screw passes through the side plate and connects to the pressure plate, while the other end has a knob. When the adjustment frame needs to be fixed, rotating the knob causes the locking screw to push the pressure plate against the upper surface of the base, thus securing the adjustment frame. A buffer pad made of rubber is located on the inner side of the side plate to reduce wear on the base during the locking process.

[0008] The testing module includes a testing head, a mounting base, and a connecting rod. The testing head is fixedly connected to the mounting base via the connecting rod. The bottom of the mounting base has a slot that matches a connector on a nut block. After the connector is inserted into the slot, it is secured with a pin. The front end of the testing head has a probe, the shape and size of which can be changed according to the requirements of different vehicle models. The rear end of the testing head has an adjustment knob, which is connected to the probe via an internal gear set. Rotating the adjustment knob moves the probe axially, thus achieving fine-tuning of the testing head. An indicator light is located on the side of the testing head, connected to the probe via a circuit. When the probe contacts the vehicle body surface, the indicator light illuminates to indicate to the operator that the testing is complete.

[0009] This utility model discloses an adjustable multi-model car body inspection fixture with a compact structure and diverse functions, capable of meeting the inspection needs of various car models. Two-dimensional adjustment of the inspection module is achieved through slide rails on the base and lead screws within the adjustment frame, significantly improving the fixture's flexibility and applicability. Simultaneously, the replaceable probe design of the inspection module further enhances the fixture's versatility, reducing the cost and time consumed by companies due to frequent fixture replacements during car model changes. Furthermore, the locking mechanism and buffer pad design effectively improve the fixture's stability and service life, reduce operational difficulty, and increase production efficiency. Attached Figure Description

[0010] Figure 1This is a schematic diagram of the overall structure of this utility model, showing the assembly relationship of the base, the adjustment frame, and the detection module. The base is equipped with a slide rail, the adjustment frame is connected to the slide rail via a slider, and the detection module is mounted on the adjustment frame.

[0011] Figure 2 To adjust the enlarged view of the frame, the structural relationships of the main beam, lead screw, nut block, and guide groove are highlighted. One end of the lead screw extends to the outside of the main beam and is equipped with a handwheel. The nut block is kept stable by the guide groove.

[0012] Figure 3 This is a schematic diagram of the detection module, showing the arrangement of the detection head, probe, adjustment knob, and indicator lights. The detection head is fixed to the mounting base via a connecting rod, the probe is replaceable, and the indicator lights are used to indicate the detection status.

[0013] The attached figures are labeled as follows:

[0014] 1. Base; 2. Slide rail; 3. Adjustment frame; 4. Main beam; 5. Lead screw; 6. Nut block; 7. Handwheel; 8. Detection module; 9. Detection head; 10. Probe; 11. Adjustment knob; 12. Indicator light; 13. Slider; 14. Locking mechanism; 15. Buffer pad. Detailed Implementation

[0015] This utility model discloses an adjustable inspection fixture for multiple car body models, the structure of which is as follows: Figures 1 to 3 As shown, the device includes a base 1, a slide rail 2, an adjusting frame 3, a main beam 4, a lead screw 5, a nut block 6, a handwheel 7, a detection module 8, a detection head 9, a probe 10, an adjusting knob 11, an indicator light 12, a slider 13, a locking mechanism 14, and a buffer pad 15. The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0016] The base 1 is the main structure of the entire fixture. A slide rail 2 is mounted on its upper surface, extending along the length of the base 1 to support and guide the movement of the adjusting frame 3. The slide rail 2 has a T-shaped cross-section and graduated markings on both sides to aid in the positioning of the adjusting frame 3. A slider 13 is nested within the slide rail 2. The bottom of the slider 13 has a groove that matches the slide rail 2, with ball bearings embedded within the groove to reduce friction during sliding. The slider 13 is fixedly connected to the adjusting frame 3 by bolts. When the adjusting frame 3 needs to be moved to a designated position, the operator loosens the bolts, pushes the adjusting frame 3 along the slide rail 2, and the slider 13 moves accordingly. Once the target position is reached, the bolts are tightened to fix the slider 13 to the slide rail 2.

[0017] The adjustment frame 3 consists of a main beam 4, side plates, and multiple adjustment units. The main beam 4 is a rectangular tubular structure with a lead screw 5 running through it. Both ends of the lead screw 5 are connected to the ends of the main beam 4 via bearings. One end of the lead screw 5 extends to the outside of the main beam 4 and is fitted with a handwheel 7. The outer side of the handwheel 7 has anti-slip grooves for easy operation. A nut block 6 is mounted on the lead screw 5, threadedly connected to it. The upper surface of the nut block 6 is fixedly connected to the detection module 8 via a connector. The upper surface of the main beam 4 has a guide groove extending along its length. The bottom of the nut block 6 is embedded in the guide groove to ensure smooth axial movement of the nut block 6 along the main beam 4 when the lead screw 5 rotates. When the position of the detection module 8 needs to be adjusted, the operator rotates the handwheel 7, causing the lead screw 5 to rotate and move the nut block 6 along the axial direction of the lead screw 5, thereby adjusting the horizontal position of the detection module 8.

[0018] Side plates are symmetrically arranged at both ends of the main beam 4. A locking mechanism 14 is provided on the outer side of the side plates, comprising a locking screw and a pressure plate. One end of the locking screw passes through the side plate and connects to the pressure plate, while the other end has a knob. When the adjusting frame 3 moves to the target position, the operator rotates the knob, causing the locking screw to push the pressure plate to press against the upper surface of the base 1, thereby fixing the position of the adjusting frame 3. A buffer pad 15 is provided on the inner side of the side plates. The buffer pad 15 is made of rubber, which reduces wear on the surface of the base 1 during locking and also provides some shock absorption.

[0019] The detection module 8 includes a detection head 9, a mounting base, and a connecting rod. The detection head 9 is fixedly connected to the mounting base via the connecting rod. The bottom of the mounting base has a slot that matches a connector on the nut block 6. After the connector is inserted into the slot, it is fixed by a pin, thus connecting the detection head 9 to the nut block 6. The front end of the detection head 9 has a probe 10. The shape and size of the probe 10 can be changed according to the requirements of different vehicle models to adapt to the detection needs of various models. The rear end of the detection head 9 has an adjustment knob 11, which is connected to the probe 10 via an internal gear set. Rotating the adjustment knob 11 moves the probe 10 axially, thus enabling fine-tuning of the detection head 9. The side of the detection head 9 has an indicator light 12, which is connected to the probe 10 via a circuit. When the probe 10 contacts the vehicle surface, the indicator light 12 illuminates, indicating to the operator that the detection is complete.

[0020] In practical application, the working process of this utility model is as follows: First, according to the requirements of the vehicle model to be tested, the base 1 is placed in a suitable position, ensuring that its upper surface is flat and free of debris. Then, the bolts on the slider 13 are loosened, and the adjusting frame 3 is pushed to slide along the slide rail 2 to the target position. The scale marks on both sides of the slide rail 2 can assist the operator in precise positioning. After reaching the target position, the bolts are tightened to fix the slider 13 on the slide rail 2. Next, according to the distribution of the detection points, the handwheel 7 is turned, and the lead screw 5 rotates accordingly, driving the nut block 6 to move along the axial direction of the main beam 4, thereby adjusting the horizontal position of the detection module 8. When the detection module 8 moves to the appropriate position, the knob of the locking mechanism 14 is rotated to press the pressure plate against the upper surface of the base 1, fixing the position of the adjusting frame 3. Subsequently, according to the specific requirements of the vehicle model, a suitable probe 10 is selected and installed on the detection head 9. The probe 10 is finely adjusted by adjusting the knob 11 to ensure good contact with the vehicle surface. Finally, the detection program is started. When the probe 10 contacts the vehicle surface, the indicator light 12 lights up, indicating to the operator that the detection is complete.

[0021] This invention achieves two-dimensional adjustment of the detection module 8 through the slide rail 2 on the base 1 and the lead screw 5 within the adjustment frame 3, significantly improving the flexibility and applicability of the fixture. Simultaneously, the replaceable probe 10 of the detection module 8 further enhances the fixture's versatility, reducing the cost and time associated with frequent fixture replacements due to vehicle model changes. Furthermore, the locking mechanism 14 and the buffer pad 15 effectively improve the fixture's stability and lifespan, reduce operational difficulty, and increase production efficiency.

[0022] To enable those skilled in the art to fully understand and implement this utility model, the specific implementation principle of this utility model is further supplemented below with a specific application scenario.

[0023] When inspecting a car body, first place the base 1 on the inspection station, ensuring its upper surface is flat and free of debris. Based on the size requirements of the vehicle model to be inspected and the distribution of inspection points, the operator loosens the bolts on the slider 13 and pushes the adjusting frame 3 along the slide rail 2. The slide rail 2 has graduations on both sides, allowing the operator to precisely position the adjusting frame 3 by observing these graduations. Once the adjusting frame 3 has moved to the target position, tighten the bolts on the slider 13 to fix it onto the slide rail 2, thus completing the initial positioning of the adjusting frame 3.

[0024] Subsequently, the operator turns handwheel 7, which drives screw 5 to rotate. Screw 5, through threaded transmission, drives nut block 6 to move axially along main beam 4. Since the bottom of nut block 6 is embedded in guide groove on main beam 4, the guide groove restricts the radial freedom of nut block 6, allowing it to move smoothly only along the length of main beam 4. The movement of nut block 6 drives the connected detection module 8 to synchronously adjust its horizontal position until the detection module 8 reaches the horizontal coordinate of the designated detection point. At this point, the operator stops turning handwheel 7 and rotates the locking screw through the knob of locking mechanism 14, causing the pressure plate to press against the upper surface of base 1, thereby fixing the position of adjustment frame 3. Buffer pad 15 plays a role in reducing wear and absorbing vibration during this process, ensuring the stability and durability of the gauge.

[0025] Next, the operator selects a suitable probe 10 and installs it onto the inspection head 9 according to the specific requirements of the vehicle model to be inspected. The shape and size of the probe 10 can be changed according to the inspection needs of different vehicle models to adapt to the inspection tasks of various models. After installation, the operator rotates the adjustment knob 11 at the rear of the inspection head 9, using the internal gear set to drive the probe 10 to make fine adjustments axially until the probe 10 makes good contact with the vehicle surface. This fine-tuning process ensures that the inspection head 9 can accurately align with the inspection point, improving the accuracy of the inspection.

[0026] Finally, the testing procedure is initiated. When probe 10 contacts the vehicle body surface, indicator light 12 illuminates via a circuit response, indicating to the operator that the testing is complete. The design of indicator light 12 simplifies the operation process, reduces errors from manual judgment, and improves testing efficiency.

[0027] As can be seen from the above steps, this utility model achieves the lateral movement of the adjustment frame 3 through the slide rail 2 on the base 1, and the longitudinal movement of the detection module 8 through the lead screw 5 within the adjustment frame 3, thus completing the two-dimensional adjustment of the detection module 8. This design significantly improves the flexibility and applicability of the fixture, enabling the same set of fixtures to meet the inspection needs of multiple vehicle models. Simultaneously, the replaceable design of the probe 10 further enhances the versatility of the fixture, reducing the cost and time consumption of frequent fixture replacements due to vehicle model changes. Furthermore, the design of the locking mechanism 14 and the buffer pad 15 effectively improves the stability and service life of the fixture, reduces operational difficulty, and improves overall production efficiency.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable inspection fixture for multiple car models, characterized in that, The adjustable vehicle body multi-model shared inspection tool mainly consists of a base (1), an adjustment frame (3) set on the base (1), and an inspection module (8) installed on the adjustment frame (3).

2. The adjustable multi-model shared inspection fixture for automobile bodies according to claim 1, characterized in that: The base (1) is provided with a slide rail (2), which extends along the length of the base (1). The adjustment frame (3) is connected to the slide rail (2) via a slider (13). The slider (13) is nested in the slide rail (2) and fixed by bolts. The bottom of the slider (13) is provided with a groove that matches the slide rail (2), and a ball is embedded in the groove.

3. The adjustable multi-model shared inspection fixture for automobile bodies according to claim 1, characterized in that: The adjustment frame (3) includes a main beam (4), side plates set at both ends of the main beam (4), and multiple adjustment units installed on the main beam (4). The main beam (4) is a rectangular tubular structure with a through screw (5) inside. The two ends of the screw (5) are connected to the ends of the main beam (4) through bearings. One end of the screw (5) extends to the outside of the main beam (4) and is equipped with a handwheel (7). A nut block (6) is provided on the screw (5). The nut block (6) is threadedly connected to the screw (5). The upper surface of the nut block (6) is fixed to the detection module (8) through a connector.

4. The adjustable multi-model shared inspection fixture for automobile bodies according to claim 3, characterized in that: The upper surface of the main beam (4) is provided with a guide groove, which extends along the length of the main beam (4), and the bottom of the nut block (6) is embedded in the guide groove.

5. The adjustable multi-model shared inspection fixture for automobile bodies according to claim 1, characterized in that: A locking mechanism (14) is provided on the outer side of the side plate. The locking mechanism (14) includes a locking screw and a pressure plate. One end of the locking screw passes through the side plate and is connected to the pressure plate, and the other end is provided with a knob. A buffer pad (15) is provided on the inner side of the side plate. The buffer pad (15) is made of rubber.

6. The adjustable multi-model vehicle body inspection fixture according to claim 1, characterized in that: The detection module (8) includes a detection head (9), a mounting base, and a connecting rod. The detection head (9) is fixedly connected to the mounting base via the connecting rod. The bottom of the mounting base is provided with a slot, which matches the connector on the nut block (6). After the connector is inserted into the slot, it is fixed by a pin. The front end of the detection head (9) is provided with a probe (10), and the rear end of the detection head (9) is provided with an adjustment knob (11). The adjustment knob (11) is connected to the probe (10) via an internal gear set. The side of the detection head (9) is provided with an indicator light (12).

7. An adjustable multi-model shared inspection fixture for automobile bodies according to claim 6, characterized in that: The shape and size of the probe (10) are interchangeable, and the indicator light (12) is connected to the probe (10) via a circuit.

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