A three-dimensional coordinate positioning tool for a vehicle body side

Abstract

This application relates to a three-dimensional coordinate positioning fixture for a vehicle body side panel, comprising: a base frame including a base and a vertical support fixedly connected to the base in a vertical direction; positioning pins fixed to one or both sides of the vertical support, the positioning pins positioning the side panel assembly, the side panel reinforcement sub-assembly, or the rear wheel arch sub-assembly along the Z and X directions on the vertical support; and clamping blocks fixed to one or both sides of the vertical support, including multiple variable thickness compensation support clamps for positioning the side panel assembly and the side panel reinforcement sub-assembly along the Y direction on the vertical support, multiple fixed support clamps for positioning the side panel assembly along the Y direction on the vertical support, and multiple flip-type support clamps for positioning the side panel reinforcement sub-assembly or the rear wheel arch sub-assembly along the Y direction on the vertical support. This application can realize the positioning and fixing of the side panel assembly and two important sub-assemblies for use in three-dimensional coordinate measurement. It also reduces the difficulty of on-site equipment management and effectively improves equipment utilization efficiency.

Description

Technical Field

[0001] This application relates to the field of vehicle side panel positioning and detection technology, and in particular to a three-dimensional coordinate positioning fixture for vehicle side panels. Background Technology

[0002] As a crucial structural component of a car, the manufacturing precision of the body-in-white significantly impacts the vehicle's functionality and appearance. Similarly, the side panel assembly, a vital welded assembly for OEMs, has a significant influence on the precision of the body-in-white. In many OEMs, before welding the entire side panel assembly, individual parts and sub-assemblies are often welded together to form side panel sub-assemblies. Therefore, monitoring the precision of these sub-assemblies is paramount. Within OEMs, using coordinate measuring machines (CMMs) to measure and monitor the welding precision of the side panel assembly and its sub-assemblies is of significant importance for both prototyping and mass production maintenance.

[0003] In related technologies, the current side panel coordinate measuring machine bracket does not have the function of measuring the side panel assembly and sub-assemblies separately. The control of the accuracy of sub-assemblies in the factory relies on the reverse calculation of the side panel assembly measurement results or the sub-assembly measurement fixtures at the line edge. However, in many OEMs, due to space constraints, there are usually no sub-assembly fixtures. This means that the accuracy monitoring and measurement results of the side panel assembly cannot be quickly allocated to the next level assembly to guide defect analysis.

[0004] To address the shortcomings of existing technologies, a positioning bracket capable of simultaneously measuring the side panel assembly and sub-assemblies needs to be developed. This device allows for rapid module disassembly and switching by modifying its structure, adapting to the measurement of the side panel assembly and different sub-assemblies. This achieves universality for the positioning device, saves on tooling investment costs, reduces on-site equipment management difficulties, and effectively improves equipment utilization efficiency. Summary of the Invention

[0005] This application provides a three-dimensional coordinate positioning fixture for vehicle side panels to solve the problem that current side panel three-coordinate measuring brackets do not have the ability to separately position the side panel assembly and sub-assemblies.

[0006] This application provides a three-dimensional coordinate positioning fixture for a vehicle body side panel, including:

[0007] The base frame includes a base and a vertical support fixedly connected to the base in a vertical direction;

[0008] Positioning pins, wherein multiple positioning pins are provided, and multiple positioning pins are fixed on one or both sides of the vertical bracket. The multiple positioning pins cooperate with the positioning holes of the side panel assembly, the side panel reinforcement sub-assembly or the rear wheel cover sub-assembly to position the side panel assembly, the side panel reinforcement sub-assembly or the rear wheel cover sub-assembly on the vertical bracket along the Z and X directions.

[0009] The clamping block, which is fixed on one or both sides of the vertical bracket, includes multiple variable thickness compensation support clamps for positioning the side panel assembly and the side panel reinforcement sub-assembly along the Y direction on the vertical bracket, multiple fixed support clamps for positioning the side panel assembly along the Y direction on the vertical bracket, and multiple flip-type support clamps for positioning the side panel reinforcement sub-assembly or the rear wheel cover sub-assembly along the Y direction on the vertical bracket.

[0010] In some embodiments: the plurality of positioning pins include a plurality of telescopic positioning pins and a plurality of flip-type positioning pins, wherein the plurality of telescopic positioning pins are, in sequence: a first telescopic positioning pin that mates with the A-pillar pin hole of the side panel assembly, a second telescopic positioning pin that mates with the C-pillar pin hole of the side panel assembly, and a third telescopic positioning pin that mates with the front support beam pin hole of the side panel assembly.

[0011] The fourth telescopic positioning pin mates with the pin hole of the A-pillar reinforcement of the side wall reinforcement sub-assembly; the fifth telescopic positioning pin mates with the pin hole of the sill reinforcement of the side wall reinforcement sub-assembly; the sixth telescopic positioning pin mates with the pin hole of the C-pillar reinforcement of the side wall reinforcement sub-assembly; and the seventh telescopic positioning pin mates with the pin hole of the top of the rear wheel arch sub-assembly.

[0012] The plurality of flip-type positioning pins are, in sequence: a first flip-type positioning pin that mates with the bottom pin hole of the rear wheel arch sub-assembly; a second flip-type positioning pin that mates with the rear pin hole of the rear wheel arch sub-assembly; and a third flip-type positioning pin that mates with the storage plate pin hole of the rear wheel arch sub-assembly.

[0013] In some embodiments: the telescopic positioning pin includes a positioning pin bracket fixed on a vertical bracket, a positioning pin slide is connected to the positioning pin bracket, and a guide hole for a sliding guide pin is provided in the positioning pin slide.

[0014] The side wall of the locating pin slide is provided with a guide groove and a limiting groove. The limiting groove is located at the end of the guide groove away from the locating pin bracket. Both the guide groove and the limiting groove communicate with the guide hole and form a combination with each other. Shape structure;

[0015] A handle lever is vertically connected to the side wall of the guide pin. The handle lever slides in the guide groove to extend or retract the guide pin in the guide hole of the positioning pin slide. The handle lever is located in the limiting groove to axially position the guide pin in the guide hole of the positioning pin slide.

[0016] In some embodiments: the flip-type positioning pin includes a positioning pin bracket fixed on a vertical bracket, a positioning pin flip plate rotatably connected to the positioning pin bracket via a hinge, and a positioning pin fixing block fixedly connected to the positioning pin flip plate.

[0017] The positioning pin fixing block has a guide pin fixed at one end away from the positioning pin bracket. The positioning pin flip plate is rotatably connected to a fastening screw that is threadedly connected to the positioning pin bracket. The positioning pin bracket has a threaded hole that mates with the fastening screw.

[0018] In some embodiments: the plurality of variable material thickness compensation support clamps are, in sequence: a second variable material thickness compensation support clamp for clamping the A-pillar of the side wall assembly and the A-pillar reinforcement of the side wall reinforcement sub-assembly, a first variable material thickness compensation support clamp for clamping the sill beam of the side wall assembly and the sill reinforcement of the side wall reinforcement sub-assembly, a third variable material thickness compensation support clamp, and a fourth variable material thickness compensation support clamp.

[0019] The fifth, seventh, ninth, and tenth variable material thickness compensation support clamps for clamping the upper side beam of the side wall assembly and the upper side beam reinforcement of the side wall reinforcement sub-assembly.

[0020] In addition, the sixth and eighth variable thickness compensation support clamps for clamping the B-pillar of the side panel assembly and the B-pillar reinforcement of the side panel reinforcement sub-assembly.

[0021] In some embodiments: the variable material thickness compensation support fixture includes a fixture bracket fixed on a vertical support, a quick clamp is fixedly provided on the fixture bracket, and the end of the quick clamp is provided with a rubber pad for pressing the inside of the side panel assembly or the inside of the side panel reinforcement sub-assembly.

[0022] The clamp bracket is also fixedly provided with a pin guide block, and the pin guide block is provided with a guide hole for the pin to pass through. The pin slides in the guide hole in a direction close to or away from the rubber pad.

[0023] The ejector pin guide block has an "U"-shaped groove that passes through the guide hole. A material thick pad block is slidably connected in the "U"-shaped groove. The material thick pad block has multiple adjustment planes that abut against the ejector pin and have different heights. The multiple adjustment planes are used to adjust the distance between the ejector pin and the rubber pad.

[0024] In some embodiments, the plurality of fixed support clamps are sequentially: a first fixed support clamp, a second fixed support clamp, a third fixed support clamp, and a fourth fixed support clamp for holding the front support beam of the side assembly;

[0025] In addition, a fifth fixed support clamp for the upper part of the C-pillar of the side panel assembly, a sixth fixed support clamp for the rear part of the C-pillar of the side panel assembly, and a seventh fixed support clamp for the lower part of the C-pillar of the side panel assembly.

[0026] In some embodiments: the fixed support clamp includes: a clamp bracket fixed on a vertical bracket, a quick clamp fixedly provided on the clamp bracket, and a rubber pad for pressing the inner side of the side assembly provided at the end of the quick clamp;

[0027] The clamp bracket is also fixed with a top block that is adapted to the rubber pad, and the rubber pad and the top block press against each other to clamp the side assembly.

[0028] In some embodiments, the plurality of the flip-type support clamps are, in sequence: a first flip-type support clamp holding the A-pillar reinforcement of the side wall reinforcement sub-assembly, a second flip-type support clamp holding the side upper beam reinforcement of the side wall reinforcement sub-assembly, a ninth flip-type support clamp, and a tenth flip-type support clamp.

[0029] The sixth, seventh, and eighth flip-type support clamps hold the bottom of the rear wheel arch sub-assembly, while the eleventh, twelfth, and thirteenth flip-type support clamps hold the upper part of the rear wheel arch sub-assembly.

[0030] In addition, the thirteenth and fourteenth flip-type support clamps clamp the rear of the rear wheel arch assembly, and the fifteenth flip-type support clamp clamps the storage plate of the rear wheel arch assembly.

[0031] In some embodiments: the flip-type support clamp includes a clamp bracket fixed on a base frame, a quick clamp is fixedly provided on the clamp bracket, and the end of the quick clamp is provided with a rubber pad for pressing the side wall reinforcement sub-assembly or the rear wheel cover sub-assembly.

[0032] And, a top block bracket fixed on the base frame, a top block flipping plate rotatably connected to the top block bracket via a hinge shaft, a top block fixing block fixedly connected to the top block flipping plate, and a top block adapted to a rubber pad at the end of the top block fixing block;

[0033] The top block flip plate is rotatably connected with a fastening screw that is threadedly connected to the top block bracket, and the top block bracket has a threaded hole that mates with the fastening screw.

[0034] The beneficial effects of the technical solution provided in this application include:

[0035] This application provides a three-dimensional coordinate positioning fixture for a vehicle body side panel. The fixture includes a base frame comprising a base and a vertical support fixedly connected to the base in a vertical direction; positioning pins, of which multiple pins are fixed to one or both sides of the vertical support, engaging with positioning holes in the side panel assembly, side panel reinforcement sub-assembly, or rear wheel arch sub-assembly to position the side panel assembly, side panel reinforcement sub-assembly, or rear wheel arch sub-assembly on the vertical support along the Z and X directions; and clamping blocks, fixed to one or both sides of the vertical support, including multiple variable thickness compensation support clamps for positioning the side panel assembly or side panel reinforcement sub-assembly along the Y direction on the vertical support, multiple fixed support clamps for positioning the side panel assembly along the Y direction on the vertical support, and multiple flipping support clamps for positioning the side panel reinforcement sub-assembly or rear wheel arch sub-assembly along the Y direction on the vertical support.

[0036] Therefore, the three-dimensional coordinate positioning fixture for the vehicle body side panel of this application is provided with multiple positioning pins on one or both sides of the vertical support of the base frame. These multiple positioning pins can respectively position the side panel assembly, the side panel reinforcement sub-assembly, or the rear wheel arch sub-assembly on the vertical support of the base frame in the Z and X directions. Furthermore, multiple variable thickness compensation support clamps are used to position the side panel assembly and the side panel reinforcement sub-assembly along the Y direction on the vertical support. The variable thickness compensation support clamps can be adjusted according to the thickness of the side panel assembly and the side panel reinforcement sub-assembly to achieve clamping of the side panel assembly and the side panel reinforcement sub-assembly respectively. Multiple fixed support clamps are used to position the side panel assembly along the Y direction on the vertical support, and multiple flip-type support clamps are used to position the side panel reinforcement sub-assembly or the rear wheel arch sub-assembly along the Y direction on the vertical support. The flip-type support clamps can be folded to avoid positional interference when positioning the side panel assembly. This application has excellent versatility, enabling the positioning and fixing of the side panel assembly and two important sub-assemblies for use in coordinate measuring machines; and the vertical bracket has a vertical double-sided structure, which can simultaneously measure the left and right parts, saving on tooling investment costs, reducing on-site equipment management difficulty, and effectively improving equipment utilization efficiency. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the structure of the three-dimensional coordinate positioning tooling according to an embodiment of this application;

[0039] Figure 2This is an assembly diagram of the three-dimensional coordinate positioning tooling and the side panel assembly according to an embodiment of this application;

[0040] Figure 3 This is an assembly diagram of the three-dimensional coordinate positioning tooling and the side reinforcement sub-assembly according to an embodiment of this application;

[0041] Figure 4 This is an assembly diagram of the three-dimensional coordinate positioning fixture and the rear wheel arch sub-assembly according to an embodiment of this application;

[0042] Figure 5 This is a schematic diagram of the telescopic positioning pin in an embodiment of this application;

[0043] Figure 6 This is a schematic diagram of the structure of the flip-type positioning pin according to an embodiment of this application;

[0044] Figure 7 This is a schematic diagram of the variable material thickness compensation support fixture according to an embodiment of this application;

[0045] Figure 8 This is a schematic diagram of the structure of the material thick pad block in an embodiment of this application;

[0046] Figure 9 This is a schematic diagram of the structure of the fixed support clamp according to an embodiment of this application;

[0047] Figure 10 This is a schematic diagram of the structure of the flip-type support clamp according to an embodiment of this application;

[0048] Figure 11 This is a schematic diagram of the telescopic support clamp according to an embodiment of this application;

[0049] Figure 12 This is a rear view of the three-dimensional coordinate positioning fixture and side panel assembly according to an embodiment of this application.

[0050] Figure label:

[0051] 100. Base frame; 101. Base; 102. Vertical support;

[0052] 200. Positioning pin; 201. Positioning pin bracket; 202. Positioning pin slide; 203. Guide pin; 204. Guide groove; 205. Limiting groove; 206. Handle lever; 207. Hinge shaft; 208. Positioning pin fixing block; 209. Fastening screw; 210. Positioning pin flip plate;

[0053] 300. Clamping block; 301. Fixture bracket; 302. Quick clamp; 303. Rubber pad; 304. Ejector pin; 305. Ejector pin guide block; 306. Material thickness pad; 307. Ejector block; 308. Ejector block bracket; 309. Ejector block flipping plate; 310. Ejector block fixing block; 311. First adjustment plane; 312. Second adjustment plane; 313. Third adjustment plane; 314. Elongated hole; 315. Slide; 316. Telescopic rod;

[0054] P1 to P7 are the first telescopic locating pin to the seventh telescopic locating pin, respectively.

[0055] P8 to P10 are the first to the third flip-type locating pins, respectively.

[0056] G1 to G7 are the first fixed support clamp to the seventh fixed support clamp, respectively;

[0057] F1 to F15 are the first to the fifteenth flip-type support clamps, respectively.

[0058] L1 to L10 are the first variable material thickness compensation type support fixture to the tenth variable material thickness compensation type support fixture, respectively.

[0059] S1, First telescopic support clamp; S2, Second telescopic support clamp;

[0060] f1. Front door upper hinge mating surface; f2. Front door lower hinge mating surface; f3. Rear door upper hinge mating surface; f4. Rear door lower hinge mating surface; f5. Side panel and rear door mating surface; f6. Side panel and taillight mating surface;

[0061] 400. Side panel assembly; 500. Side panel reinforcement sub-assembly; 600. Rear wheel arch sub-assembly. Detailed Implementation

[0062] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0063] This application provides a three-dimensional coordinate positioning fixture for vehicle side panels, which solves the problem in the related technology that the current side panel three-coordinate measuring bracket does not have the function of positioning the side panel assembly and sub-assemblies separately.

[0064] See Figures 1 to 4As shown, this application embodiment provides a three-dimensional coordinate positioning fixture for a vehicle body side panel, including:

[0065] The base frame 100 includes a base 101 and a vertical support 102 fixedly connected to the base 101 in a vertical direction. Both the base 101 and the vertical support 102 are assembled by welding rectangular steel pipes. The vertical support 102 is made of multiple horizontal steel pipes and multiple vertical steel pipes welded together, forming several through-hole structures between the horizontal and vertical steel pipes.

[0066] Positioning pins 200 are provided in multiples. Multiple positioning pins 200 are fixed on one or both sides of the vertical bracket 102. Multiple positioning pins 200 cooperate with positioning holes of side panel assembly 400, side panel reinforcement sub-assembly 500 or rear wheel cover sub-assembly 600 to position the side panel assembly 400, side panel reinforcement sub-assembly 500 or rear wheel cover sub-assembly 600 on the vertical bracket 102 along the Z and X directions.

[0067] The clamping block 300 is fixed on one or both sides of the vertical bracket 102 and includes multiple variable thickness compensation support clamps that position the side wall assembly 400 and the side wall reinforcement sub-assembly 500 along the Y direction on the vertical bracket 102, multiple fixed support clamps that position the side wall assembly 400 along the Y direction on the vertical bracket 102, and multiple flip-type support clamps that position the side wall reinforcement sub-assembly 500 or the rear wheel arch sub-assembly 600 along the Y direction on the vertical bracket 102.

[0068] The three-dimensional coordinate positioning fixture for the vehicle body side panel of this application embodiment has multiple positioning pins 200 on one or both sides of the vertical bracket 102 of the base frame 100. These multiple positioning pins 200 can respectively position the side panel assembly 400, the side panel reinforcement sub-assembly 500, or the rear wheel arch sub-assembly 600 on the vertical bracket of the base frame in the Z and X directions. Furthermore, multiple variable material thickness compensation support clamps are used to position the side panel assembly 400 and the side panel reinforcement sub-assembly 500 on the vertical bracket 102 in the Y direction. The variable material thickness compensation support clamps can be adjusted according to the material thickness of the side panel assembly 400 and the side panel reinforcement sub-assembly 500 to achieve clamping of the side panel assembly 400 and the side panel reinforcement sub-assembly 500 respectively.

[0069] Multiple fixed support clamps are used to position the side panel assembly 400 along the Y-axis on the vertical bracket 102. Multiple flip-type support clamps are used to position the side panel reinforcement sub-assembly 500 or the rear wheel arch sub-assembly 600 along the Y-axis on the vertical bracket 102. The flip-type support clamps can be folded to avoid positional interference when positioning the side panel assembly 400. This application has good versatility, enabling the positioning and fixing of the side panel assembly 400 and two important sub-assemblies for use in coordinate measuring machines (CMMs). Furthermore, the vertical bracket 102 has a vertical double-sided structure, allowing simultaneous measurement of both left and right components, saving on tooling investment costs, reducing on-site equipment management difficulties, and effectively improving equipment utilization efficiency.

[0070] In some alternative embodiments: see Figure 1 As shown in the embodiment of this application, a three-dimensional coordinate positioning fixture for a vehicle body side panel is provided. The multiple positioning pins 200 of the three-dimensional coordinate positioning fixture include multiple telescopic positioning pins and multiple flip-type positioning pins. The multiple telescopic positioning pins are, in sequence: a first telescopic positioning pin P1 that mates with the A-pillar pin hole of the side panel assembly 400, a second telescopic positioning pin P2 that mates with the C-pillar pin hole of the side panel assembly 400, and a third telescopic positioning pin P3 that mates with the front support beam pin hole of the side panel assembly 400.

[0071] The fourth telescopic positioning pin P4 mates with the A-pillar reinforcement pin hole of the side wall reinforcement sub-assembly 500; the fifth telescopic positioning pin P5 mates with the sill reinforcement pin hole of the side wall reinforcement sub-assembly 500; the sixth telescopic positioning pin P6 mates with the C-pillar reinforcement pin hole of the side wall reinforcement sub-assembly 500; and the seventh telescopic positioning pin P7 mates with the top pin hole of the rear wheel arch sub-assembly 600.

[0072] The multiple flip-type positioning pins are, in sequence: a first flip-type positioning pin P8 that mates with the bottom pin hole of the rear wheel arch sub-assembly 600; a second flip-type positioning pin P9 that mates with the rear pin hole of the rear wheel arch sub-assembly 600; and a third flip-type positioning pin P10 that mates with the shelf pin hole of the rear wheel arch sub-assembly 600.

[0073] Specifically, see Figure 5 As shown, the telescopic positioning pin includes a positioning pin bracket 201 fixed on a vertical support 102. A positioning pin slide 202 is connected to the positioning pin bracket 201, and a guide hole for a sliding guide pin 203 is formed in the positioning pin slide 202. A guide groove 204 and a limiting groove 205 are formed on the side wall of the positioning pin slide 202. The limiting groove 205 is located at the end of the guide groove 204 away from the positioning pin bracket 201. Both the guide groove 204 and the limiting groove 205 communicate with the guide hole and form a combination with each other. Shape structure.

[0074] A handle lever 206 is vertically connected to the side wall of the guide pin 203, with one end of the handle lever 206 extending outside the positioning pin slide 202. The handle lever 206 slides within the guide groove 204 to extend or retract the guide pin 203 within the guide hole of the positioning pin slide 202. When the handle lever 206 is located within the limiting groove 205, it axially positions the guide pin 203 within the guide hole of the positioning pin slide 202, thus restricting the retraction of the guide pin 203. When a telescopic positioning pin is needed, the handle lever 206 is moved to extend the guide pin 203 from the guide hole of the positioning pin slide 202, and the handle lever 206 is locked within the limiting groove 205. When the telescopic positioning pin is not needed, the handle lever 206 is unlocked from the limiting groove 205, and then the handle lever 206 is moved again to retract the guide pin 203 back into the guide hole of the positioning pin slide 202.

[0075] See Figure 6 As shown, the flip-type positioning pin includes a positioning pin bracket 201 fixed on a vertical support 102. A positioning pin flip plate 210 is rotatably connected to the positioning pin bracket 201 via a hinge pin 207. A positioning pin fixing block 208 is fixedly connected to the positioning pin flip plate 210. A guide pin 203 is fixed to one end of the positioning pin fixing block 208 away from the positioning pin bracket 201. A fastening screw 209 that is threadedly connected to the positioning pin bracket 201 is rotatably connected to the positioning pin flip plate 210. The positioning pin bracket 201 has a threaded hole that mates with the fastening screw 209.

[0076] When using the flip-type locating pin, manually rotate the locating pin flip plate 210 so that the guide pin 203 faces the side panel assembly 400, the side panel reinforcement sub-assembly 500, or the rear wheel arch sub-assembly 600. Then, tighten the fastening screw 209 to engage with the threaded hole and fix the locating pin flip plate 210 onto the locating pin bracket 201. When not using the flip-type locating pin, manually tighten the fastening screw 209 to disengage it from the threaded hole, and then manually flip the locating pin flip plate 210 to move the guide pin 203 away from the side panel assembly 400, the side panel reinforcement sub-assembly 500, or the rear wheel arch sub-assembly 600, thus avoiding positional interference between the flip-type locating pin and the side panel assembly 400, the side panel reinforcement sub-assembly 500, or the rear wheel arch sub-assembly 600.

[0077] In some alternative embodiments: see Figure 1As shown in the figure, this application embodiment provides a three-dimensional coordinate positioning fixture for a vehicle body side panel. The fixture comprises multiple variable thickness compensation support clamps, which are arranged sequentially as follows: a second variable thickness compensation support clamp L2 holding the A-pillar of the side panel assembly 400 and the A-pillar reinforcement of the side panel reinforcement sub-assembly 500; a first variable thickness compensation support clamp L1 holding the sill beam of the side panel assembly 400 and the sill reinforcement of the side panel reinforcement sub-assembly 500; a third variable thickness compensation support clamp L3; and a fourth variable thickness compensation support clamp L4. The first variable thickness compensation support clamp L1, the third variable thickness compensation support clamp L3, and the fourth variable thickness compensation support clamp L4 are arranged at intervals from front to back along the X-axis direction.

[0078] The fifth variable thickness compensation support fixture L5, the seventh variable thickness compensation support fixture L7, the ninth variable thickness compensation support fixture L9, and the tenth variable thickness compensation support fixture L10 are used to clamp the upper side beam of the side wall assembly 400 and the upper side beam reinforcement of the side wall reinforcement sub-assembly 500. These five fixtures are arranged sequentially from front to back along the X-axis.

[0079] In addition, there are a sixth variable thickness compensation support clamp L6 and an eighth variable thickness compensation support clamp L8 for clamping the B-pillar of the side assembly 400 and the B-pillar reinforcement of the side reinforcement sub-assembly 500. The sixth variable thickness compensation support clamp L6 is located on the front side of the B-pillar of the side assembly 400 and the B-pillar reinforcement of the side reinforcement sub-assembly 500, and the eighth variable thickness compensation support clamp L8 is located on the rear side of the B-pillar of the side assembly 400 and the B-pillar reinforcement of the side reinforcement sub-assembly 500.

[0080] Specifically, see Figure 7 and Figure 8 As shown, the variable material thickness compensation support fixture includes a fixture bracket 301 fixed on a vertical support 102. A quick clamp 302 is fixedly mounted on the fixture bracket 301. A rubber pad 303 is provided at the end of the quick clamp 302 to press the inner side of the side panel assembly 400 or the inner side panel reinforcement sub-assembly 500. A pin guide block 305 is also fixedly mounted on the fixture bracket 301. A guide hole is provided on the pin guide block 305 for a pin 304 to pass through. The pin 304 slides in the guide hole in a direction close to or away from the rubber pad 303.

[0081] A U-shaped groove with a through guide hole is formed on the ejector pin guide block 305. A material thickness pad block 306 is slidably connected in the U-shaped groove. The material thickness pad block 306 has multiple adjustment planes that abut against the ejector pin 304 and have different heights. The multiple adjustment planes are used to adjust the distance between the ejector pin 304 and the rubber pad 303. The multiple adjustment planes are, in sequence, a first adjustment plane 311, a second adjustment plane 312, and a third adjustment plane 313 with increasing heights. The height difference between the second adjustment plane 312 and the third adjustment plane 313 is the difference between the thickness of the side panel assembly 400 mm and the thickness of the side panel reinforcement sub-assembly 500 mm.

[0082] When the first adjusting plane 311 abuts against the ejector pin 304, the distance between the ejector pin 304 and the rubber pad 303 is at its maximum. When the third adjusting plane 313 abuts against the ejector pin 304, the distance between the ejector pin 304 and the rubber pad 303 is at its minimum. When the material thickness pad 306 switches to abutting against the first adjusting plane 311, the ejector pin 304 falls down to avoid interference between parts. When the material thickness pad 306 switches to abutting against the second adjusting plane 312, the ejector pin 304 and the rubber pad 303 clamp each other to form the side panel assembly 400. When the material thickness pad 306 switches to abutting against the third adjusting plane 313, the ejector pin 304 and the rubber pad 303 clamp each other to form the side panel reinforcing assembly 500.

[0083] The thick pad 306 has an elongated hole 314 for inserting the ejector pin 304. The ejector pin 304 has a structure that is thicker at the top and thinner at the bottom. After the thin end of the ejector pin 304 is inserted into the elongated hole 314, it extends towards the bottom of the thick pad 306. The thin end of the ejector pin 304 is provided with a compression spring that pulls the ejector pin 304 to slide away from the rubber pad 303. The thick end of the ejector pin 304 is located at the top of the elongated hole 314.

[0084] In some alternative embodiments: see Figure 1 As shown, this application embodiment provides a three-dimensional coordinate positioning fixture for a vehicle body side panel. The multiple fixed support clamps of the three-dimensional coordinate positioning fixture are as follows: a first fixed support clamp G1, a second fixed support clamp G2, a third fixed support clamp G3, and a fourth fixed support clamp G4 clamping the front support beam of the side panel assembly 400; and a fifth fixed support clamp G5 clamping the upper part of the C-pillar of the side panel assembly 400, a sixth fixed support clamp G6 clamping the rear part of the C-pillar of the side panel assembly 400, and a seventh fixed support clamp G7 clamping the lower part of the C-pillar of the side panel assembly 400.

[0085] Specifically, see Figure 9As shown, the fixed support clamp includes: a clamp bracket 301 fixed on a vertical bracket 102; a quick clamp 302 fixedly mounted on the clamp bracket 301; and a rubber pad 303 at the end of the quick clamp 302 pressing against the inner side of the side assembly 400. A top block 307 adapted to the rubber pad 303 is also fixedly mounted on the clamp bracket 301; the rubber pad 303 and the top block 307 press against each other to clamp the side assembly 400.

[0086] In some alternative embodiments: see Figure 1 As shown, this application embodiment provides a three-dimensional coordinate positioning fixture for a vehicle body side panel. The fixture comprises multiple flip-type support clamps, which are sequentially configured as follows: a first flip-type support clamp F1 holding the A-pillar reinforcement of the side panel reinforcement sub-assembly 500; a second flip-type support clamp F2 holding the upper side beam reinforcement of the side panel of the side panel reinforcement sub-assembly 500; a ninth flip-type support clamp F9; a tenth flip-type support clamp F10 holding the bottom of the rear wheel arch sub-assembly 600. Support clamp F6, seventh flip-type support clamp F7, eighth flip-type support clamp F8, eleventh flip-type support clamp F11, twelfth flip-type support clamp F12, thirteenth flip-type support clamp F13 clamping the upper part of the rear wheel arch sub-assembly 600; and thirteenth flip-type support clamp F13, fourteenth flip-type support clamp F14 clamping the rear part of the rear wheel arch sub-assembly 600, and fifteenth flip-type support clamp F15 clamping the storage plate of the rear wheel arch sub-assembly 600.

[0087] Specifically, see Figure 10 As shown, the flip-type support clamp includes a clamp bracket 301 fixed on the base frame 100, a quick clamp 302 fixedly mounted on the clamp bracket 301, and a rubber pad 303 at the end of the quick clamp 302 pressing against the inner side of the side reinforcement sub-assembly 500 or the rear wheel arch sub-assembly 600; and a top block bracket 308 fixed on the base frame 100, a top block flip plate 309 rotatably connected to the top block bracket 308 via a hinge shaft 207, a top block fixing block 310 fixedly connected to the top block flip plate 309, and a top block 307 adapted to the rubber pad 303 at the end of the top block fixing block 310. A fastening screw 209 rotatably connected to the top block flip plate 309 and threadedly connected to the top block bracket 308 is provided on the top block bracket 308, and a threaded hole is provided on the top block bracket 308 to mate with the fastening screw 209.

[0088] In some alternative embodiments: see Figure 1 As shown, this application embodiment provides a three-dimensional coordinate positioning fixture for the side panel of a vehicle body. The three-dimensional coordinate positioning fixture is further provided with a first telescopic support clamp S1 for pressing the side panel upper beam reinforcement of the side panel reinforcement sub-assembly 500, and a second telescopic support clamp S2 for the lower part of the rear wheel arch sub-assembly 600.

[0089] Specifically, see Figure 11 As shown, both the first telescopic support clamp S1 and the second telescopic support clamp S2 include a clamp bracket 301 fixed on the base frame 100, a quick clamp 302 fixedly mounted on the clamp bracket 301, and a rubber pad 303 at the end of the quick clamp 302 for pressing the inner side of the side panel reinforcement sub-assembly 500 or the rear wheel arch sub-assembly 600; and a slide block 315 fixed on the clamp bracket 301, with a telescopic rod 316 slidably connected to the slide block 315. The end of the telescopic rod 316 away from the slide block 315 has a top block 307 that mates with the rubber pad 303. The telescopic rod 316 can extend and retract on the slide block 315 to adjust its extension length, thus avoiding positional interference between the telescopic rod 316 and other parts.

[0090] In some alternative embodiments: see Figure 12 As shown, this application embodiment provides a three-dimensional coordinate positioning fixture for a vehicle body side panel. The base 101 and vertical support 102 of this fixture are both welded and assembled from rectangular steel pipes. The vertical support 102 is welded from multiple horizontal and vertical steel pipes, forming several through-hole structures between the horizontal and vertical pipes. When the side panel assembly 400 is fixed to one side of the vertical support 102, the following surfaces can be seen through the through-hole structures from the other side (back) of the vertical support 102: the front door upper hinge mating surface f1, the front door lower hinge mating surface f2, the rear door upper hinge mating surface f3, the rear door lower hinge mating surface f4, the side panel and rear door mating surface f5, and the side panel and taillight mating surface f6. This facilitates the use of three-dimensional coordinate measuring equipment to inspect the side panel assembly 400.

[0091] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0092] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0093] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A three-dimensional coordinate positioning tool for a vehicle body side, characterized by, The utility model relates to a kind of vertical frame assembly and vertical frame assembly positioning device, including: Base (101) and vertical support (102) vertically fixedly connected above base (101) are included in base (100); Multiple positioning pins (200) are provided, multiple positioning pins (200) are fixed on one side or both sides of vertical support (102), and multiple positioning pins (200) are matched with the positioning hole of side wall assembly (400), side wall reinforcing sub-assembly (500) or rear wheel cover sub-assembly (600), to position side wall assembly (400), side wall reinforcing sub-assembly (500) or rear wheel cover sub-assembly (600) on vertical support (102) along Z direction and X direction; Clamping block (300) is fixed on one side or both sides of vertical support (102), including multiple variable material thickness compensation type support clamps that position side wall assembly (400), side wall reinforcing sub-assembly (500) on vertical support (102) along Y direction, multiple fixed type support clamps that position side wall assembly (400) on vertical support (102) along Y direction, and multiple turnover type support clamps that position side wall reinforcing sub-assembly (500) or rear wheel cover sub-assembly (600) on vertical support (102) along Y direction; The variable material thickness compensation type support clamp includes clamp bracket (301) fixed on vertical support (102), and quick clamp (302) is fixedly arranged on clamp bracket (301), and the end of quick clamp (302) is provided with rubber pad (303) that is pressed to the inside of side wall assembly (400) or the inside of side wall reinforcing sub-assembly (500); Top pin guide block (305) is also fixedly arranged on clamp bracket (301), and guide hole that top pin (304) penetrates is formed in top pin guide block (305), and top pin (304) slides in the direction of approaching or away from rubber pad (303) in guide hole; " " shaped slot that penetrates guide hole is formed in top pin guide block (305), material thickness pad block (306) is slidably connected in " " shaped slot, and multiple adjustment planes that abut against top pin and are set with height difference are arranged on material thickness pad block (306), and multiple adjustment planes are used to adjust the distance between top pin (304) and rubber pad (303); The turnover type support clamp includes clamp bracket (301) fixed on base (100), and quick clamp (302) is fixedly arranged on clamp bracket (301), and the end of quick clamp (302) is provided with rubber pad (303) that is pressed to side wall reinforcing sub-assembly (500) or rear wheel cover sub-assembly (600); And, top block bracket (308) fixed on base (100), top block turnover plate (309) is rotatably connected on top block bracket (308) by hinge shaft (207), top block fixed block (310) is fixedly connected on top block turnover plate (309), and top block (307) that is adapted to rubber pad (303) is arranged at the end of top block fixed block (310). The top block overturning plate (309) is rotationally connected with a fastening screw (209) which is threadedly connected with a top block support (308), and the top block support (308) is provided with a threaded hole which cooperates with the fastening screw (209).

2. The three-dimensional coordinate positioning tool for a vehicle body side wall according to claim 1, characterized in that: The plurality of positioning pins (200) include a plurality of telescopic positioning pins and a plurality of overturning positioning pins, and the plurality of telescopic positioning pins are sequentially: a first telescopic positioning pin (P1) which cooperates with an A-pillar pin hole of the side wall assembly (400), a second telescopic positioning pin (P2) which cooperates with a C-pillar pin hole of the side wall assembly (400), a third telescopic positioning pin (P3) which cooperates with a front support beam pin hole of the side wall assembly (400); a fourth telescopic positioning pin (P4) which cooperates with an A-pillar reinforcement pin hole of the side wall reinforcement sub-assembly (500), a fifth telescopic positioning pin (P5) which cooperates with a rocker reinforcement pin hole of the side wall reinforcement sub-assembly (500), a sixth telescopic positioning pin (P6) which cooperates with a C-pillar reinforcement pin hole of the side wall reinforcement sub-assembly (500), and a seventh telescopic positioning pin (P7) which cooperates with a top pin hole of the rear wheel cover sub-assembly (600); The plurality of overturning positioning pins are sequentially: a first overturning positioning pin (P8) which cooperates with a bottom pin hole of the rear wheel cover sub-assembly (600), a second overturning positioning pin (P9) which cooperates with a rear pin hole of the rear wheel cover sub-assembly (600), and a third overturning positioning pin (P10) which cooperates with a storage plate pin hole of the rear wheel cover sub-assembly (600).

3. The three-dimensional coordinate positioning tool for a vehicle body side wall according to claim 2, characterized in that: The telescopic positioning pin includes a positioning pin support (201) which is fixed on the vertical support (102), and the positioning pin support (201) is connected with a positioning pin sliding seat (202), and the positioning pin sliding seat (202) is provided with a guide hole for a sliding guide pin (203) therein; The side wall of the positioning pin sliding seat (202) is provided with a guide groove (204) and a limiting groove (205), and the limiting groove (205) is located at an end of the guide groove (204) which is away from the positioning pin support (201), and the guide groove (204) and the limiting groove (205) are both communicated with the guide hole and form a "¬" shape structure; The side wall of the guide pin (203) is vertically connected with a handle lever (206), and the handle lever (206) slides in the guide groove (204) to extend or retract the guide pin (203) in the guide hole of the positioning pin sliding seat (202), and the handle lever (206) is located in the limiting groove (205) to axially position the guide pin (203) in the guide hole of the positioning pin sliding seat (202).

4. The three-dimensional coordinate positioning tool for a vehicle body side wall according to claim 2, characterized in that: The turnover positioning pin comprises a positioning pin support (201) fixed on a vertical support (102), a positioning pin turnover plate (210) is rotationally connected to the positioning pin support (201) through a hinge shaft (207), and a positioning pin fixing block (208) is fixedly connected to the positioning pin turnover plate (210); A guide pin (203) is fixed to one end of the positioning pin fixing block (208) away from the positioning pin support (201), a fastening screw (209) is rotationally connected to the positioning pin turnover plate (210) and is in threaded connection with the positioning pin support (201), and a threaded hole matched with the fastening screw (209) is formed in the positioning pin support (201).

5. The three-dimensional coordinate positioning tool for a vehicle body side wall according to claim 1, characterized in that: The plurality of variable-thickness-compensation support clamps are sequentially a second variable-thickness-compensation support clamp (L2) clamping an A column of a side wall assembly (400) and an A column reinforcing member of a side wall reinforcing sub-assembly (500), a first variable-thickness-compensation support clamp (L1) clamping a rocker beam of the side wall assembly (400) and a rocker reinforcing member of the side wall reinforcing sub-assembly (500), a third variable-thickness-compensation support clamp (L3), a fourth variable-thickness-compensation support clamp (L4); a fifth variable-thickness-compensation support clamp (L5) clamping an upper side wall beam of the side wall assembly (400) and an upper side wall beam reinforcing member of the side wall reinforcing sub-assembly (500), a seventh variable-thickness-compensation support clamp (L7), a ninth variable-thickness-compensation support clamp (L9), and a tenth variable-thickness-compensation support clamp (L10); and a sixth variable-thickness-compensation support clamp (L6) clamping a B column of the side wall assembly (400) and a B column reinforcing member of the side wall reinforcing sub-assembly (500), and an eighth variable-thickness-compensation support clamp (L8).

6. The three-dimensional coordinate positioning tool for a vehicle body side wall according to claim 1, characterized in that: The plurality of fixed support clamps are sequentially a first fixed support clamp (G1) clamping a front support beam of the side wall assembly (400), a second fixed support clamp (G1), a third fixed support clamp (G1), and a fourth fixed support clamp (G1); and a fifth fixed support clamp (G5) clamping an upper portion of a C column of the side wall assembly (400), a sixth fixed support clamp (G6) clamping a rear portion of the C column of the side wall assembly (400), and a seventh fixed support clamp (G7) clamping a lower portion of the C column of the side wall assembly (400).

7. The three-dimensional coordinate positioning tool for a vehicle body side wall according to claim 1 or 6, characterized in that: The fixed support clamp comprises a clamp support (301) fixed on a vertical support (102), a quick clamp (302) is fixedly arranged on the clamp support (301), and an end portion of the quick clamp (302) is provided with a rubber pad (303) pressing against an inner side of the side wall assembly. The clamp support (301) is further provided with a top block (307) matched with the rubber pad (303), and the rubber pad (303) and the top block (307) are extruded to clamp the side wall assembly (400).

8. The three-dimensional coordinate positioning tool for a vehicle body side wall according to claim 1, characterized in that: The plurality of turnover support clamps are in sequence: a first turnover support clamp (F1) clamping an A-pillar reinforcing member of a side wall reinforcing sub-assembly (500), a second turnover support clamp (F2) clamping a side wall upper beam reinforcing member of the side wall reinforcing sub-assembly (500), a ninth turnover support clamp (F9), a tenth turnover support clamp (F10); A sixth turnover support clamp (F6), a seventh turnover support clamp (F7), and an eighth turnover support clamp (F8) clamping a bottom of a rear wheel cover sub-assembly (600), an eleventh turnover support clamp (F10), a twelfth turnover support clamp (F12), and a thirteenth turnover support clamp (F13) clamping an upper portion of the rear wheel cover sub-assembly (600); And, a thirteenth turnover support clamp (F13) and a fourteenth turnover support clamp (F14) clamping a rear portion of the rear wheel cover sub-assembly (600), and a fifteenth turnover support clamp (F15) clamping a storage plate of the rear wheel cover sub-assembly (600).

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