CN221173302U - Automobile part flatness detection tool - Google Patents

Abstract

The utility model provides an automobile part flatness detection tool, which relates to the field of detection devices and comprises a detection table (10), a clamping mechanism, a support column (30), a positioning plate (40) and a detection mechanism; the clamping mechanism is arranged on the end face of the detection table (10) in a sliding mode, two support columns (30) are arranged on the end faces of the front end and the rear end of the detection table (10) in parallel, one end, away from the detection table (10), of the support columns (30) is provided with a positioning plate (40), the bottom face of the positioning plate (40) is provided with a detection mechanism, and the detection mechanism comprises a lifting assembly (51), a vertical sliding seat (52), a horizontal screw rod (53), a first sliding block (54) and a detection wheel assembly. The detection tool adopts a mechanized structure to realize the detection of the surface flatness of the metal plate, effectively saves equipment cost, avoids the influence of environmental factors, and has high detection efficiency and high precision.

Description

Automobile part flatness detection tool

Technical Field

The utility model relates to the technical field of detection devices, in particular to an automobile part flatness detection tool.

Background

With the development of the automobile industry, the requirements of people on the quality of automobiles are higher and higher; in the design and manufacturing process of automobile parts, various metal plates are required to be adopted, for example: body parts, sheet metal parts, and the like. The sheet metal machined part is manufactured and molded through working procedures such as cutting, heating and pressing, and due to the nature of a metal material, problems such as excessive bending, lateral bending and poor flatness and the like of a sheet metal part area for manufacturing the automobile part are unavoidable in the production and manufacturing process, so that the overall attractiveness and the use functionality of the automobile part are affected.

Therefore, before manufacturing the automobile parts by using the formed metal plate, flatness detection is generally required for the formed metal plate to achieve the purpose of precisely manufacturing the automobile parts. The Chinese patent document CN219736290U discloses a plate surface flatness detection system, which projects a light source to the surface of a plate through a linear laser source, acquires a light source image projected on the surface of the plate through a detection camera, if the flatness quality of the surface of the plate is high, the light source image shot by the detection camera is a straight line, and if the surface of the plate is provided with other uneven places such as bulges or depressions, the light source image is deformed and bent, so that the purpose of rapidly, conveniently, clearly and accurately detecting the flatness of the plate is realized. However, the device needs intelligent equipment such as a detection camera, a projection light source and the like, has high manufacturing cost, is not beneficial to small-sized processing, production and use, and has a narrow application range; meanwhile, the device detects the surface of the plate through the projection light source, and has high requirements on the detection environment (namely, the detection process cannot exist in a strong light environment) and high environmental influence factors.

Disclosure of utility model

Aiming at the problems existing in the prior art, the utility model aims to provide the flatness detection tool for the automobile parts, which adopts a mechanized structure to realize the detection of the flatness of the surface of the metal plate, thereby effectively saving the cost; meanwhile, the contact detection is realized by utilizing the mechanical structure and the metal plate, the interference of the external environment (such as a strong light environment) to the detection result is effectively avoided, and the adaptability of the detection environment is high.

The aim of the utility model is achieved by the following technical scheme:

A flatness detection tool for automobile parts comprises a detection table, a clamping mechanism, a support column, a positioning plate and a detection mechanism; the clamping mechanism is arranged on the end face of the detection table in a sliding manner and is used for fixing the metal plate to be detected; the two support columns are arranged in parallel on the end surfaces of the detection table, which are positioned at the front end and the rear end of the clamping mechanism, one end of the support column, which is far away from the detection table (namely the top end of the support column), is provided with a positioning plate, and the bottom surface of the positioning plate is provided with a detection mechanism; the detection mechanism comprises a lifting component, a vertical sliding seat, a horizontal screw rod, a first sliding block and a detection wheel component, wherein the lifting component is arranged on the bottom surface of the positioning plate and is connected with the vertical sliding seat at the output end of the lifting component, the two ends of the vertical sliding seat are respectively and correspondingly connected with the supporting upright posts in a sliding manner, the screw rod groove is formed in the vertical sliding seat, the horizontal screw rod is arranged in the screw rod groove, the outer wall of the horizontal screw rod is sleeved with the first sliding block, the first sliding block is in sliding connection with the screw rod groove, the detection wheel component is arranged on the bottom surface of the vertical sliding seat and is connected with the first sliding block through a connecting block, and the bottom surface of the vertical sliding seat is correspondingly connected with the connecting block to form a horizontal sliding groove communicated with the screw rod groove.

Based on the further optimization of above-mentioned scheme, detect the platform bottom surface and set up the supporting legs, be used for supporting whole detection frock.

Based on the further optimization of the scheme, the clamping mechanism comprises a horizontal sliding seat, a bidirectional screw rod, a second sliding block and a mounting seat, wherein the bottom surface of the horizontal sliding seat is in sliding connection with the end surface of the detection table, two parallel bidirectional screw rods are arranged in the horizontal sliding seat, two symmetrical clamping sliding grooves are respectively formed in the horizontal sliding seat corresponding to the bidirectional screw rod (namely four clamping sliding grooves are arranged in total), the middle smooth section of the bidirectional screw rod is in partition rotation connection with the middle parts of the two corresponding clamping sliding grooves, and two ends of the bidirectional screw rod are respectively in rotation connection with the side walls of the corresponding clamping sliding grooves (namely the two screw rod sections of the bidirectional screw rod respectively correspond to the clamping sliding grooves on two sides and can freely rotate in the corresponding clamping sliding grooves); the outer walls of the two screw sections of the bidirectional screw are connected with a second sliding block in a threaded manner, the second sliding block is clamped in the corresponding clamping sliding groove and is in sliding connection, and the end faces of the two second sliding blocks on the same side are connected with the bottom face of the mounting seat arranged on the end face of the horizontal sliding seat.

Based on the further optimization of the scheme, one end of the bidirectional screw rod penetrates through the side wall of the horizontal sliding seat, and the outer wall of the bidirectional screw rod is fixedly sleeved with the rotary handle.

Based on the further optimization of above-mentioned scheme, the mount pad cross section is "L" type structure for joint waits to detect sheet metal.

Based on the further optimization of above-mentioned scheme, lifting unit includes hydraulic means and telescopic link, and hydraulic means is fixed to be set up at the locating plate terminal surface and its output and telescopic link intercommunication, and the telescopic link runs through the locating plate and its output and vertical slide intercommunication.

Based on the further optimization of the scheme, the length of the screw rod groove is longer than that of the horizontal sliding groove.

Based on the further optimization of the scheme, the detection wheel assembly comprises a spring sleeve, a sliding rod, a spring, a laser range finder, a wheel carrier and a detection wheel, wherein the spring sleeve is fixedly connected with the bottom end of the connecting block, and the top surface of the spring sleeve is in sliding connection with the bottom surface of the vertical sliding seat; a spring groove is formed in the spring sleeve, a sliding rod is arranged in the spring groove in a sliding mode, the top end of the sliding rod is connected with the top surface of the spring groove through a spring, and a laser range finder is arranged on the top surface of the spring groove and positioned on the inner ring of the spring; the bottom end of the sliding rod is fixedly provided with a wheel frame, and a rotating detection wheel is arranged in the wheel frame through a rotating shaft.

The following technical effects are provided by the utility model:

According to the application, the clamping mechanism is used for fixing and clamping the metal plate to be detected, so that the problem of inaccurate detection result caused by metal plate deflection in the detection process is avoided; through the setting of supporting the stand, firstly accomplish the fixed positioning of locating plate, secondly guarantee the sliding stability of vertical slide. The deviation in the up-and-down movement process of the device is avoided, and the error of the detection result is avoided. Meanwhile, through the detection mechanism that lifting unit, vertical slide, horizontal lead screw, first slider and detection wheel subassembly are constituteed, utilize the detection wheel subassembly to slide on fixed sheet metal surface and realize the detection to sheet metal's roughness (if sheet metal is uneven, detection wheel subassembly takes place to beat, through the accurate discernment of laser range finder), effectively avoid adopting the equipment cost that detects camera and projection light source combination equipment to lead to high, to detect the high scheduling problem of environmental requirement, can be applicable to the detection of various environment, various automobile parts, application scope is wide, the practicality is strong, detection efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of a detection tool in an embodiment of the present utility model.

Fig. 2 is a partial enlarged view of a in fig. 1.

Fig. 3 is a B-B cross-sectional view of fig. 1.

Wherein, 10, the detection platform; 11. supporting feet; 21. a horizontal slide; 210. clamping the sliding groove; 22. a bidirectional screw rod; 220. rotating the handle; 23. a second slider; 24. a mounting base; 30. a support column; 40. a positioning plate; 51. a lifting assembly; 52. a vertical slide; 521. a screw groove; 522. a horizontal chute; 53. a horizontal screw; 530. a connecting block; 54. a first slider; 551. a spring sleeve; 5510. a spring groove; 552. a slide bar; 553. a spring; 554. a laser range finder; 555. a wheel carrier; 556. and (3) detecting the wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1:

Reference is made to the following figures: the utility model provides an auto parts roughness detects frock, includes detection platform 10, clamping machine constructs, support column 30, locating plate 40 and detection mechanism; the bottom surface of the detection table 10 is provided with supporting feet 11 for supporting the whole detection tool, and generally, the number of the supporting feet 11 is four and the four supporting feet are respectively arranged at four corners of the bottom surface of the detection table 10.

The clamping mechanism is arranged on the end face of the detection table 10 in a sliding manner and is used for fixing a metal plate to be detected; the device comprises a horizontal sliding seat 21, a bidirectional screw rod 22, a second sliding block 23 and an installation seat 24, wherein the bottom surface of the horizontal sliding seat 21 is in sliding connection with the end surface of the detection table 10, two parallel bidirectional screw rods 22 are arranged in the horizontal sliding seat 21 (see the diagram of fig. 3, the two bidirectional screw rods 22 are respectively arranged at two ends of the horizontal sliding seat 21), two symmetrical clamping sliding grooves 210 are respectively arranged corresponding to the bidirectional screw rods 22 in the horizontal sliding seat 21 (namely four clamping sliding grooves 210 are respectively arranged, two clamping sliding grooves 210 are respectively arranged corresponding to one bidirectional screw rod 22 in the horizontal sliding seat 21, a partition is arranged between the two clamping sliding grooves 210), the middle smooth section of the bidirectional screw rod 22 is in partition rotation connection with the middle part of the corresponding two clamping sliding grooves 210, and two ends of the bidirectional screw rod 22 are respectively in rotation connection with the side walls of the corresponding clamping sliding grooves 210 (at two sides) (see the diagram of fig. 1, namely the two screw rod sections of the bidirectional screw rod 22 respectively correspond to the two clamping sliding grooves 210 at two sides and can freely rotate in the corresponding clamping sliding grooves 210); the outer walls of the two lead screw sections of the bidirectional lead screw 22 are in threaded connection with the second sliding blocks 23, the second sliding blocks 23 are clamped in the corresponding clamping sliding grooves 210 and are in sliding connection, the end faces of the two second sliding blocks 23 on the same side are connected with the bottom face of the mounting seat 24 arranged on the end face of the horizontal sliding seat 21 (namely, the end faces of the two second sliding blocks 23 on the left side shown in fig. 1 are jointly connected with the mounting seat 24, the end faces of the two second sliding blocks 23 on the right side are jointly connected with the mounting seat 24, and the bottom face of the mounting seat 24 is in sliding connection with the end face of the horizontal sliding seat 21). One end of the bidirectional screw rod 22 penetrates through the side wall of the horizontal sliding seat 21, the outer wall of the bidirectional screw rod 22 is fixedly sleeved with a rotating handle 220 (see fig. 1, the left end of the bidirectional screw rod 22 penetrates through the side wall of the horizontal sliding seat 21), and meanwhile, synchronous rotation between the two bidirectional screw rods 22 can be achieved through a sprocket chain mechanism. The cross section of the mounting seat 24 is of an L-shaped structure (shown in reference to FIG. 1) and is used for clamping a metal plate to be detected.

The number of the supporting columns 30 is two, the two supporting columns are arranged in parallel on the end surfaces of the detecting table 10 (namely, the front end and the rear end shown in fig. 1 and the left end and the right end shown in fig. 3) at the front end and the rear end of the clamping mechanism, one end of the supporting column 30 away from the detecting table 10 (namely, the top end of the supporting column 30) is provided with a positioning plate 40, and the bottom surface of the positioning plate 40 is provided with a detecting mechanism; the detection mechanism comprises a lifting assembly 51, a vertical sliding seat 52, a horizontal screw 53, a first sliding block 54 and a detection wheel assembly, wherein the lifting assembly 51 is arranged on the bottom surface of the positioning plate 40, the output end of the lifting assembly is connected with the vertical sliding seat 52, the lifting assembly 51 comprises a hydraulic device and a telescopic rod (the hydraulic device is not specifically marked and can be understood by a person skilled in the art by adopting a common structure or model in the art, as shown in fig. 1 and 3), the hydraulic device is fixedly arranged on the end surface of the positioning plate 40, the output end of the hydraulic device is communicated with the telescopic rod, and the telescopic rod penetrates through the positioning plate 40, and the output end of the telescopic rod is communicated with the vertical sliding seat 52. The two ends of the vertical sliding seat 52 are respectively connected with the corresponding support upright post 40 in a sliding way through sliding sleeves (see fig. 3), a screw groove 521 is formed in the vertical sliding seat 52 (namely, the vertical sliding seat 52), a horizontal screw 53 is arranged in the screw groove 521, the outer wall of the horizontal screw 53 is sleeved with a first sliding block 54, the first sliding block 54 (the outer wall) is connected with the screw groove 521 in a sliding way, the (inner wall of the first sliding block 54) is connected with the horizontal screw 53 in a threaded way, the detection wheel assembly is arranged on the bottom surface of the vertical sliding seat 52 and is connected with the first sliding block 54 through a connecting block 530, a horizontal sliding groove 522 communicated with the screw groove 521 is formed in the bottom surface of the vertical sliding seat 52 corresponding to the connecting block 530, and the length of the screw groove 521 is larger than that of the horizontal sliding groove 522 as shown in fig. 3.

Referring to fig. 2, it is shown: the detection wheel assembly comprises a spring sleeve 551, a slide bar 552, a spring 553, a laser range finder 554, a wheel carrier 555 and a detection wheel 556, wherein the spring sleeve 551 is fixedly connected with the bottom end of the connecting block 530, and the top surface of the spring sleeve 551 is in sliding connection with the bottom surface of the vertical sliding seat 52; a spring groove 5510 is formed in the spring sleeve 551, a sliding rod 552 is slidably arranged in the spring groove 5510, the top end of the sliding rod 552 is connected with the top surface of the spring groove 5510 through a spring 553, a laser range finder 554 is arranged on the top surface of the spring groove 5510 and positioned on the inner ring of the spring 553 (the laser range finder 554 is a common device in the art, and a person skilled in the art can understand that the embodiment does not have excessive limitation); the bottom end of the sliding rod 552 is fixedly provided with a wheel frame 555, and a rotary detection wheel 556 is arranged in the wheel frame 55 through a rotary shaft.

Working principle:

When in use, firstly, the bidirectional screw rod 22 is rotated according to the width of the metal plate to be detected, and then the distance between the two mounting seats 24 is adjusted; then, the metal plate to be detected is placed on the end face of the L-shaped structure of the mounting seat 24, and the bidirectional screw rod 22 is rotated again to realize clamping. Then, starting the lifting assembly 51 to enable the vertical sliding seat 52, the horizontal lead screw 53, the first sliding block 54 and the detection wheel assembly to move downwards integrally until the detection wheel 556 contacts the end face of the metal plate to be detected and the spring 553 has a certain compression amount; then, the horizontal screw rod 53 is started to slowly rotate, so that the horizontal screw rod 53 drives the first sliding block 54 to move left and right as shown in fig. 3, and then the detection wheel assembly moves left and right through the connecting block 530, the detection wheel 556 rolls on the end face of the metal plate to be detected, when the end face of the metal plate to be detected is uneven, the detection wheel 556 is extruded to cause the sliding rod 552 to move up and down, the detection distance of the laser range finder 554 changes, and therefore the flatness point position and the offset distance are detected through measurement fluctuation of the laser range finder 554. The metal plate is detected according to the point positions of different columns by sliding the horizontal sliding seat 21, so that the detection area is increased, and the detection efficiency is improved

Example 2:

As a further optimization of the solution of the present utility model, on the basis of the solution of embodiment 1, the rotation of the horizontal screw 53 is controlled by a motor fixedly arranged on one end face of the vertical slide 52, specifically: the motor is fixedly arranged on the end face of the vertical sliding seat 52, the output shaft of the motor is fixedly sleeved with a driving gear, and the vertical sliding seat 52 is provided with a gear groove communicated with the screw groove 521 corresponding to the driving gear; the outer wall of one end of the horizontal screw 53 is fixedly sleeved with a driven gear corresponding to the driving gear, and the driving gear is meshed with the driven gear by penetrating through the gear groove.

The workbench 10 is provided with a control system which is respectively and electrically connected with the hydraulic device, the motor and the laser range finder and is used for controlling and collecting signals.

Example 3:

As a further optimization of the solution of the present utility model, on the basis of the solution of embodiment 2, a horizontal slider controlled by a horizontal telescopic rod (the horizontal telescopic rod may be a telescopic rod mechanism common in the art) is disposed in the workbench 10, and an end surface of the horizontal slider is fixedly connected with a bottom surface of the horizontal slider 21, so as to control the horizontal slider 21 to slide left and right as shown in fig. 1. The horizontal telescopic rod is electrically connected with the control system.

Claims (7)

1. Automobile part flatness detects frock, its characterized in that: the device comprises a detection table, a clamping mechanism, a supporting column, a positioning plate and a detection mechanism; the clamping mechanism is arranged on the end face of the detection table in a sliding manner; the two support columns are arranged in parallel on the end surfaces of the detection table, which are positioned at the front end and the rear end of the clamping mechanism, one end of the support column, which is far away from the detection table, is provided with a positioning plate, and the bottom surface of the positioning plate is provided with a detection mechanism; the detection mechanism comprises a lifting component, a vertical sliding seat, a horizontal screw rod, a first sliding block and a detection wheel component, wherein the lifting component is arranged on the bottom surface of the positioning plate and is connected with the vertical sliding seat at the output end of the lifting component, the two ends of the vertical sliding seat are respectively and correspondingly connected with the supporting upright posts in a sliding manner, the screw rod groove is formed in the vertical sliding seat, the horizontal screw rod is arranged in the screw rod groove, the outer wall of the horizontal screw rod is sleeved with the first sliding block, the first sliding block is in sliding connection with the screw rod groove, the detection wheel component is arranged on the bottom surface of the vertical sliding seat and is connected with the first sliding block through a connecting block, and the bottom surface of the vertical sliding seat is correspondingly connected with the connecting block to form a horizontal sliding groove communicated with the screw rod groove.

2. The automobile part flatness detection tool according to claim 1, wherein: and supporting feet are arranged on the bottom surface of the detection table.

3. The automobile part flatness detection tool according to claim 1, wherein: the clamping mechanism comprises a horizontal sliding seat, a bidirectional screw rod, a second sliding block and a mounting seat, wherein the bottom surface of the horizontal sliding seat is in sliding connection with the end surface of the detection table, two parallel bidirectional screw rods are arranged in the horizontal sliding seat, two symmetrical clamping sliding grooves are respectively formed in the horizontal sliding seat corresponding to the bidirectional screw rods, the middle smooth section of the bidirectional screw rods is in partition rotation connection with the middle parts of the two corresponding clamping sliding grooves, and two ends of the bidirectional screw rods are respectively in rotation connection with the side walls of the corresponding clamping sliding grooves; the outer walls of the two screw sections of the bidirectional screw are connected with a second sliding block in a threaded manner, the second sliding block is clamped in the corresponding clamping sliding groove and is in sliding connection, and the end faces of the two second sliding blocks on the same side are connected with the bottom face of the mounting seat arranged on the end face of the horizontal sliding seat.

4. The automotive part flatness detection tool according to claim 3, wherein: one end of the bidirectional screw rod penetrates through the side wall of the horizontal sliding seat, and the outer wall of the bidirectional screw rod is fixedly sleeved with a rotary handle.

5. The automotive part flatness detection tool according to claim 3, wherein: the cross section of the mounting seat is of an L-shaped structure.

6. The automobile part flatness detection tool according to claim 1, wherein: the lifting assembly comprises a hydraulic device and a telescopic rod, the hydraulic device is fixedly arranged on the end face of the positioning plate, the output end of the hydraulic device is communicated with the telescopic rod, and the telescopic rod penetrates through the positioning plate, and the output end of the telescopic rod is communicated with the vertical sliding seat.

7. The automobile part flatness detection tool according to claim 1, wherein: the detection wheel assembly comprises a spring sleeve, a slide bar, a spring, a laser range finder, a wheel frame and a detection wheel, wherein the spring sleeve is fixedly connected with the bottom end of the connecting block, and the top surface of the spring sleeve is in sliding connection with the bottom surface of the vertical sliding seat; a spring groove is formed in the spring sleeve, a sliding rod is arranged in the spring groove in a sliding mode, the top end of the sliding rod is connected with the top surface of the spring groove through a spring, and a laser range finder is arranged on the top surface of the spring groove and positioned on the inner ring of the spring; the bottom end of the sliding rod is fixedly provided with a wheel frame, and a rotating detection wheel is arranged in the wheel frame through a rotating shaft.