CN209945303U

CN209945303U - Automatic detection device for position degree of wheel bolt hole

Info

Publication number: CN209945303U
Application number: CN201920849575.9U
Authority: CN
Inventors: 薛博文; 翁涛; 郭勇; 郭建东
Original assignee: Citic Dicastal Co Ltd
Current assignee: Citic Dicastal Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-01-14
Anticipated expiration: 2029-06-06

Abstract

The utility model relates to an equipment technical field in the machining, concretely relates to wheel bolt hole position degree automatic checkout device, including main body frame, hole locating component, the fixed subassembly of wheel, high inclination adjustment subassembly, hole coordinate measurement subassembly, realize wheel bolt hole position degree automated inspection, not only detection efficiency is high, can satisfy mass production's needs, has guaranteed product quality, has improved production efficiency, can detect out concrete error numerical value moreover, is convenient for in time adjust processing parameter, improves product quality.

Description

Automatic detection device for position degree of wheel bolt hole

Technical Field

The application relates to the technical field of detection equipment in machining, in particular to a wheel bolt hole position degree automatic detection device.

Background

In the machining process of aluminum alloy wheel, along with the going on of batch production, real-time on-line measuring need be carried out to a lot of processing parameters to in time discover the waste product, for example, the bolt hole position degree of wheel is a parameter of particular importance, if the overproof can't guarantee that the wheel is normally installed. The mode of wheel bolt hole position degree is measured to tradition is that artifical handheld position degree rule detects one by one, and not only detection efficiency is low very much, and time-wasting and production efficiency are not high, can only detect bolt hole position degree moreover qualified or unqualified, can't detect concrete position degree error numerical value, provides the correction in the machining and consults. In addition, the position degree of the wheel bolt hole is generally the position degree of the conical surface of the bolt hole, and because the conical hole and the straight hole of the bolt hole are processed by the same forming cutter during processing, the coaxiality deviation is considered to be small, so that the position degree of the bolt hole is measured by using a detection tool at present, and the position degree of the conical hole part is indirectly detected by measuring the position degree of the straight hole part of the bolt hole; strictly speaking, the measurement result of this measurement method is not accurate.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a wheel bolt hole position degree automatic checkout device, has solved the problem that exists among the background art, and not only detection efficiency is high, can satisfy mass production's needs, has guaranteed product quality, has improved production efficiency, can detect out concrete error numerical value moreover, is convenient for in time adjust processing parameter, improves product quality.

In order to achieve the above object, the present invention provides the following technical solutions:

the automatic detection device for the position degree of the wheel bolt hole comprises a main body frame, a hole positioning assembly, a wheel fixing assembly, a height inclination angle adjusting assembly and a hole coordinate measuring assembly, wherein the height inclination angle adjusting assembly is positioned at the bottom of the main body frame, the hole coordinate measuring assembly is fixed on the height inclination angle adjusting assembly, the height inclination angle adjusting assembly can adjust the height of the hole coordinate measuring assembly to enable the hole coordinate measuring assembly to be in proper distance with a flange surface of a wheel, and an included angle between a measuring surface of the hole coordinate measuring assembly and a horizontal plane is adjusted to enable a measuring surface of the hole coordinate measuring assembly to be parallel to the flange surface of the wheel; the wheel fixing assembly is arranged on the main body frame above the hole coordinate measuring assembly and below the hole positioning assembly, is used for fixing the wheel and can drive the wheel to rotate; the hole positioning assembly is fixed at the top of the main body frame and used for positioning each bolt hole on the wheel, the hole positioning assembly comprises a transition taper pin, a blind hole is formed in the center of the lower end of the transition taper pin, and the hole positioning assembly can drive the transition taper pin to move back and forth, left and right and up and down and enable the transition taper pin to be inserted into each bolt hole of the wheel one by one; the hole coordinate measuring assembly comprises a distance sensor, a measuring needle, an X-axis displacement sensor, a Y-axis displacement sensor, a front-back movement assembly and a left-right movement assembly; the forward and backward movement assembly drives the X-axis displacement sensor, the distance sensor and the measuring needle to move in the forward and backward directions, and the X-axis displacement sensor measures the movement distance of the forward and backward movement assembly relative to the initial position; the left and right movement assembly drives the distance sensor, the measuring needle, the X-axis displacement sensor and the Y-axis displacement sensor to move in the left and right directions, and the Y-axis displacement sensor measures the movement distance of the left and right movement assembly relative to the initial position; the distance sensor measures the distance from the flange surface of the wheel; the measuring needle is matched with the blind hole at the lower end of the transition taper pin, and the upper end of the measuring needle is inserted into the blind hole at the lower end of the transition taper pin and used for determining the position of the bolt hole on the wheel. In the embodiment, before the position degree is measured, the inclination angle of the measuring surface of the height inclination angle adjusting assembly adjusting hole coordinate measuring assembly is adjusted, so that the measuring surface of the hole coordinate measuring assembly is parallel to the flange reference plane of the wheel, and the axis of the measuring pin is parallel to the axis of the wheel center hole and the axis of each bolt hole, and further, the accuracy of the data measured by the X-axis displacement sensor and the Y-axis displacement sensor is ensured. During the measurement, the transition taper pin is inserted into the wheel bolt hole firstly, so that the conical surface of the transition taper pin is matched with the conical surface of the wheel bolt hole, the measuring needle can accurately and directly measure the actual X-axis and Y-axis numerical values of the conical hole axis of each bolt hole through measuring the blind hole at the lower end of the transition taper pin, and the measuring precision is higher and the measuring result is more accurate compared with the position degree of the straight hole part of the measuring bolt hole.

In some embodiments, the height and tilt angle adjusting assembly comprises a lower fixing plate, a lower servo electric cylinder III, a lower lifting plate, a lower servo motor I, a lower servo electric cylinder I, a central shaft, a lower platform and a rotating platform; the lower fixing plate is fixed at the bottom of the main body frame, the lower servo electric cylinder III is fixed on the bottom surface of the lower fixing plate, a telescopic shaft of the lower servo electric cylinder III vertically and upwards penetrates through a through hole formed in the corresponding position on the lower fixing plate to be fixedly connected to the bottom surface of the lower lifting plate, a plurality of lower servo electric cylinders I are uniformly arranged on the circumference of the upper surface of the lower lifting plate, the lower ends of the lower servo electric cylinders I are movably connected to the upper surface of the lower lifting plate, and the upper ends of the lower servo electric cylinders I are movably connected to the bottom surface of the lower platform; a lower servo motor I is movably connected to the middle position of the lower lifting plate, an output shaft at the upper end of the lower servo motor I penetrates through the lower platform to be connected to a central shaft, and the other end of the central shaft is fixedly connected to the bottom surface of the rotating table; the upper surface of the rotating platform is fixedly provided with a hole coordinate measuring assembly. In the embodiment, the lower lifting plate, a plurality of lower servo electric cylinders I (preferably 3) which are uniformly arranged and the lower platform form a parallel mechanism together, and the angle of the lower platform can be adjusted at will through the extension and contraction of the different lower servo electric cylinders I; meanwhile, the design structure is compact, the rigidity is strong, the stability is high, no accumulated error exists, and the measurement precision is high. Can make the probe rotatory around wheel centre bore axis through servo motor I and central axle down, when measuring each bolt hole position, can be quick find the position in each hole, X axle displacement sensor and Y axle displacement sensor only need be finely tuned in measured taper hole axis position, can measure the actual coordinate numerical value in each measured hole, the effectual detection efficiency that has improved.

In some embodiments, the height tilt angle adjusting assembly further includes a lower guide post and a lower guide sleeve, an upper end of the lower guide post is fixed to a bottom surface of the lower lifting plate, a lower end of the lower guide post passes through the lower guide sleeve fixed in a through hole formed in the lower fixing plate, and the lower lifting plate moves up and down to drive the lower guide post to move up and down in the guide sleeve. Through the cooperation of guide pillar and guide pin bushing in this embodiment, can guarantee the steady lift of height inclination adjustment subassembly and hole coordinate measuring subassembly in vertical direction, effectively reduced the measuring error of X axle and Y axle direction when the measuring pin is measured.

In some embodiments, a bearing is sleeved on the circumference of the central shaft, the bearing is arranged in a bearing seat, and the bearing seat is fixed on the upper surface of the lower platform. The bearing is sleeved on the circumference of the central shaft in the embodiment, so that smooth rotation of the central shaft is effectively guaranteed, radial runout of the central shaft during rotation is eliminated, and positioning accuracy of the measuring needle during rotational positioning is guaranteed.

In some embodiments, the hole coordinate measuring assembly comprises a left-right moving guide rail, a lower sliding block I, a lower servo electric cylinder II, a lower vertical plate II, a Y-axis displacement sensor, a lower sliding plate I, a lower vertical plate I, a lower sliding plate II, a front-back moving guide rail, a lower sliding block II, a lower servo motor II, a lower rack, a lower gear, a lower sliding plate III, an X-axis displacement sensor, a distance sensor, an upper floating seat I, a lower floating seat I, a spring I and a measuring needle; a left-right moving guide rail is fixed on the upper end plane of the height inclination angle adjusting assembly, a lower sliding block I is arranged on the left-right moving guide rail, a lower sliding plate I is fixed at the upper end of the lower sliding block I, a lower vertical plate II is arranged at one end of the left-right moving guide rail, a Y-axis displacement sensor and a lower servo electric cylinder II are arranged on the lower vertical plate II, a piston rod of the lower servo electric cylinder II is connected with one side of the lower sliding plate I, the piston rod of the lower servo electric cylinder II pushes the lower sliding plate I and the lower sliding block I to move left and right along the left-right moving guide rail, and; a lower vertical plate I is fixed on each of the left side and the right side of the lower sliding plate I, the two lower vertical plates I are parallel, and a lower sliding plate II is fixed on the two lower vertical plates I; a front-and-back moving guide rail is fixed on the upper surface of the lower sliding plate II, a lower sliding block II is arranged on the front-and-back moving guide rail, a lower servo motor II is fixed in the middle of the bottom surface of the lower sliding plate II, an output shaft of the lower servo motor II penetrates through a through hole in the middle of the lower sliding plate II and is fixedly connected with a lower gear, a lower rack is arranged on one side of the lower sliding block III close to the lower gear, the output shaft of the lower servo motor II drives the lower gear to rotate, and the lower gear drives the lower sliding block; a lower sliding plate III is fixedly arranged on the lower sliding block II, an X-axis displacement sensor is fixedly arranged at one end of the front-back moving guide rail on the lower sliding plate II, and the X-axis displacement sensor can measure the displacement of the lower sliding plate III along the front-back moving guide rail; and a distance sensor and an upper and lower floating seat I are fixedly arranged on the lower sliding plate III, a spring I is fixed on the upper and lower floating seat I, and a measuring needle is fixed at the upper end of the spring I. In the embodiment, the structure is compact, and the space is saved to the maximum extent; meanwhile, the guide rail is moved left and right, so that the measurement accuracy of the X-axis displacement sensor and the Y-axis displacement sensor can be ensured; the lower servo electric cylinder II can accurately control the position of the measuring needle in the Y direction; the lower servo motor II can accurately control the position of the measuring needle in the X direction; the spring I can effectively avoid damage caused by rigid impact of the measuring needle under abnormal measuring conditions.

In some embodiments, the wheel fixing assembly comprises an upper fixing plate, a left guide rail, a right guide rail, a left sliding plate, a right sliding plate, a left rack, a right rack, a cylinder, an upper gear I, a left shaft, a left bearing seat, a roller, a right shaft, a right bearing seat and an upper servo motor I; the upper fixing plate is fixed on the main body frame above the hole coordinate measuring assembly, the left and right sides of the upper surface of the upper fixing plate are fixed with a left guide rail and a right guide rail which are arranged on the same straight line, the left guide rail is provided with a left sliding plate, the right guide rail is provided with a right sliding plate, the right side of the left sliding plate is fixedly connected with a left rack, and the left side of the right sliding plate is fixedly connected with a right rack; a cylinder is fixedly arranged on the main body frame on the left side of the left sliding plate, and a piston rod of the cylinder is connected with the left side of the left sliding plate, or a cylinder is fixedly arranged on the main body frame on the right side of the right sliding plate, and a piston rod of the cylinder is connected with the right side of the right sliding plate; a supporting plate is arranged in the middle of the upper fixing plate, an upper gear I and a pinion are fixed on the supporting plate, one of a right rack and a left rack is positioned between the upper gear I and the pinion, the other rack is positioned on the upper gear I, and the right rack and the left rack are both kept horizontal; a left shaft is fixed on the left sliding plate, a left bearing is sleeved outside the left shaft and can rotate, the left bearing is positioned in a left bearing seat, the left bearing seat is fixed on the upper surface of the left sliding plate, and a roller with a V-shaped side surface is fixedly installed at the upper end of the left shaft; a right shaft is fixed on the right sliding plate, a right bearing is sleeved outside the right shaft and can rotate, the right bearing is positioned in a right bearing seat, the right bearing seat is fixed on the upper surface of the right sliding plate, and a roller with a V-shaped side surface is fixedly installed at the upper end of the right shaft; servo motor I is installed to bottom surface fixed mounting on the left slide, goes up the output shaft of servo motor I and passes through the through-hole fixed connection on the left slide to the lower extreme of a left axle, perhaps installs servo motor I in the bottom surface fixed mounting on the right slide, goes up the output shaft of servo motor I and passes through the through-hole fixed connection on the right slide to the lower extreme of a right axle. In the embodiment, the design structure is compact, and the centering, clamping and rotating of the wheel are realized by using limited space.

In some embodiments, a left sliding belt and a right sliding belt are respectively arranged on the main body frames of the left sliding plate and the right sliding plate, and the left sliding belt and the right sliding belt are consistent in height and slightly higher than the bottom surfaces of the rollers. In the embodiment, by the design, the lower wheel rims of the wheels on the left sliding belt and the right sliding belt can be completely clamped when the left and right rollers synchronously move in the middle; when the wheels are clamped by the rollers, the wheels can be simultaneously too high by the conical surface below the rollers and are higher than the left sliding belt and the right sliding belt, so that the lower end surface of the wheels is not interfered with the left sliding belt and the right sliding belt when the wheels rotate after being clamped.

In some embodiments, the hole positioning assembly comprises an upper servo electric cylinder II, an upper lifting plate, an upper guide rail III, an upper sliding block I, an upper sliding plate III, an upper servo motor II, an upper gear II, an upper rack II, an upper vertical plate, an upper sliding plate II, an upper guide rail II, an upper sliding block II, an upper sliding plate I, an upper servo electric cylinder I, an upper and lower floating seat II, a spring II and a transition taper pin; an upper servo electric cylinder II is fixed on the top surface of the main body frame, a telescopic rod of the upper servo electric cylinder II is fixed on the upper surface of an upper lifting plate downwards, an upper guide rail III which is arranged in front and at the back is fixed on the bottom surface of the upper lifting plate, an upper slide block I is arranged on the upper guide rail III, an upper servo motor II is fixed on the bottom surface of the middle part of the upper sliding plate III, an output shaft of the upper servo motor II penetrates through a middle through hole of the upper sliding plate III to be vertically and upwards fixedly connected to an upper gear II, an upper rack II is fixed on the bottom surface of the upper lifting plate, the upper gear II is matched with the upper rack II, an output shaft of the upper servo motor II drives the upper gear II to rotate, and the upper gear II moves back and forth; an upper vertical plate is fixed on the left side and the right side of the bottom surface of an upper sliding plate III respectively, an upper sliding plate II is fixed at the lower end of the upper vertical plate, an upper guide rail II which is arranged on the left side and the right side is fixed on the bottom surface of the upper sliding plate II, an upper sliding block II is arranged on the upper guide rail II and can move left and right on the upper guide rail II, and the bottom surface of the upper sliding block II is fixedly connected to the top surface; an upper servo electric cylinder I is arranged at the left end or the right end of an upper guide rail II, a telescopic rod of the upper servo electric cylinder I is connected to the left side or the right side of an upper sliding plate I, and the telescopic rod of the upper servo electric cylinder I can push the upper sliding plate I and an upper sliding block II to move left and right along the upper guide rail II; the top surface of the upper floating seat II and the lower floating seat II are fixed on the bottom surface of the upper sliding plate I, the bottom surface of the upper floating seat II and the lower floating seat II are fixedly connected with a spring II, and the lower end of the spring II is fixedly connected with a transition taper pin. The design structure is compact, and the space is saved to the maximum extent; the upper guide rail III and the upper guide rail II are used, so that the positioning accuracy of the transition taper pin can be ensured; the upper servo electric cylinder I can accurately control the position of the transition taper pin in the left-right direction; the upper servo motor II can accurately control the position of the transition taper pin in the front-back direction; and the spring II can effectively avoid the damage caused by the rigid impact of the transition taper pin under the abnormal measurement condition.

In some embodiments, an upper guide pillar is further fixed on the upper surface of the upper lifting plate, the lower end of the upper guide pillar is fixed on the upper surface of the upper lifting plate, the upper end of the upper guide pillar passes through a through hole formed in the top surface of the main frame and extends into an upper guide sleeve fixed on the top surface of the main frame, and the upper lifting plate moves up and down to drive the upper guide pillar to move up and down in the upper guide sleeve. Through the cooperation of last guide pillar and upper guide pin bushing in this embodiment, can guarantee the steady lift of hole locating component in vertical direction, around and the error of left and right directions when effectively having reduced transition taper pin location.

Compared with the prior art, the beneficial effects of the utility model are that:

the application provides a wheel bolt hole position degree automatic checkout device, including main body frame, hole locating component, wheel fixed subassembly, high inclination adjustment subassembly, hole coordinate measuring subassembly, realize wheel bolt hole position degree automated inspection, not only detection efficiency is high, can satisfy mass production's needs, has guaranteed product quality, has improved production efficiency, can detect out concrete error numerical value moreover, is convenient for in time adjust processing parameter, improves product quality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a first structural schematic diagram of an automatic wheel bolt hole position detection device according to the present application.

Fig. 2 is a second structural schematic diagram of the automatic wheel bolt hole position detection device according to the present application.

Fig. 3 is a schematic structural diagram of a wheel fixing assembly of an automatic detection device for wheel bolt hole position degree according to the present application.

Wherein: 1-main body frame, 2-lower fixing plate, 3-lower servo electric cylinder III, 4-lower lifting plate, 5-lower servo motor I, 6-lower servo electric cylinder I, 7-central shaft, 8-bearing, 9-bearing seat, 10-lower platform, 11-rotating table, 12-lower guide post, 13-lower guide sleeve, 14-left and right moving guide rail, 15-lower slider I, 16-lower servo electric cylinder II, 17-lower vertical plate II, 18-Y axis displacement sensor, 19-lower slider I, 20-lower vertical plate I, 21-lower slider II, 22-front and back moving guide rail, 23-lower slider II, 24-lower servo motor II, 25-lower rack, 26-lower gear, 27-lower slider III, 28-distance sensor, 29-upper and lower floating seat I, 30-spring I, 31-measuring needle, 32-upper fixing plate, 33-left guide rail, 34-right guide rail, 35-left sliding plate, 36-right sliding plate, 37-left rack, 38-right rack, 39-air cylinder, 40-upper gear I, 41-left shaft, 42-left bearing, 43-left bearing seat, 44-roller, 45-right shaft, 46-right bearing, 47-right bearing seat, 48-upper servo motor I, 49-left sliding belt, 50-right sliding belt, 51-upper servo electric cylinder II, 52-upper lifting plate, 53-upper guide column, 54-upper guide sleeve, 55-upper guide rail III, 56-upper sliding block I, 57-upper sliding plate III, 58-upper servo motor II, 59-upper gears II, 60-upper racks II, 61-upper vertical plates, 62-upper sliding plates II, 63-upper guide rails II, 64-upper sliding blocks II, 65-upper sliding plates I, 66-upper servo electric cylinders I, 67-upper and lower floating seats II, 68-springs II, 69-transition push pins and 70-X axis displacement sensors.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1:

embodiment 1 of the present application will be described below with reference to fig. 1 to 3, which is an automatic wheel bolt hole position detection apparatus including a main frame 1, a hole positioning unit, a wheel fixing unit, a height inclination angle adjustment unit, and a hole coordinate measurement unit.

The height inclination angle adjusting assembly is located at the bottom of the main body frame 1, the hole coordinate measuring assembly is fixed on the height inclination angle adjusting assembly, the height inclination angle adjusting assembly can adjust the height of the hole coordinate measuring assembly to enable the hole coordinate measuring assembly to be in proper distance with the flange surface of the wheel, and an included angle between the measuring surface of the hole coordinate measuring assembly and the horizontal plane is adjusted to enable the measuring surface of the hole coordinate measuring assembly to be parallel to the flange surface of the wheel. The height and inclination angle adjusting assembly comprises a lower fixing plate 2, a lower servo electric cylinder III 3, a lower lifting plate 4, a lower servo motor I5, a lower servo electric cylinder I6, a central shaft 7, a lower platform 10, a central shaft 7, a bearing 8, a bearing seat 9, a rotating table 11, a lower guide pillar 12 and a lower guide sleeve 13; the bottom plate 2 is fixed in the bottom of main body frame 1, and lower servo electronic jar III 3 is fixed to the bottom surface of bottom plate 2, and two lower servo electronic jars III 3 are fixed in 2 below of bottom plate, and its output is articulated with 4 below of lower lifter plate. Through-hole fixed connection that the telescopic shaft of lower servo electronic jar III 3 was seted up upwards through corresponding position on the bottom plate 2 is vertical to the bottom surface of lifter plate 4 down, the upper surface circumference of lifter plate 4 evenly sets up a plurality of servo electronic jar I6 down, preferably 3 in this embodiment, a plurality of lower end swing joint of servo electronic jar I6 down to the upper surface of lifter plate 4 down, a plurality of upper end swing joint of servo electronic jar I6 down to the bottom surface of platform 10 down, three servo electronic jar I6 down is in the centre evenly distributed of lifter plate 4 and lower platform 10 down, the lower extreme of servo electronic jar I6 down is articulated with lifter plate 4 down, the upper end is articulated with lower platform 10 down. A lower servo motor I5 is movably connected to the middle position of the lower lifting plate 4, the lower servo motor I5 is fixed to the bottom surface of the lower platform 10, an output shaft at the upper end of the lower servo motor I5 penetrates through the lower platform 10 to be connected to a central shaft 7, the other end of the central shaft 7 is fixedly connected to the bottom surface of a rotating platform 11, and the rotating platform 11 is fixed to the top end of the central shaft 7. A bearing 8 is sleeved on the circumference of the central shaft 7, the bearing 8 is arranged in a bearing seat 9, the central shaft 7 is arranged in the bearing seat of the central shaft 7 through the bearing 8, and the bearing seat 9 is fixed at the central position of the upper surface of the lower platform 10; the upper surface of the rotating platform 11 is fixedly provided with a hole coordinate measuring assembly. The upper end of the lower guide post 12 is fixed on the bottom surface of the lower lifting plate 4, the lower end of the lower guide post 12 passes through a lower guide sleeve 13 fixed in a through hole formed in the lower fixing plate 2, and the lower lifting plate 4 moves up and down to drive the lower guide post 12 to move up and down in the guide sleeve. In this embodiment: four lower guide sleeves 13 are fixed in through holes formed in corresponding positions on the lower fixing plate 2, one ends of four lower guide pillars 12 matched with the four lower guide sleeves 13 are fixed below the lower lifting plate 4, and when the lower lifting plate 4 moves up and down, the lower guide pillars 12 move up and down in the guide sleeves.

The wheel fixing assembly is arranged on the main body frame 1 above the hole coordinate measuring assembly and below the hole positioning assembly, is used for fixing the wheel and can drive the wheel to rotate. The wheel fixing assembly comprises an upper fixing plate 32, a left guide rail 33, a right guide rail 34, a left sliding plate 35, a right sliding plate 36, a left rack 37, a right rack 38, a cylinder 39, an upper gear I40, a left shaft 41, a left bearing 42, a left bearing seat 43, a roller 44, a right shaft 45, a right bearing 46, a right bearing seat 47 and an upper servo motor I48; the upper fixing plate 32 is fixed on the main body frame 1 above the hole coordinate measuring assembly, the left and right sides of the upper surface of the upper fixing plate 32 are fixed with a left guide rail 33 and a right guide rail 34, the left guide rail 33 and the right guide rail 34 are on a straight line, the left guide rail 33 is provided with a left sliding plate 35, the right guide rail 34 is provided with a right sliding plate 36, the right side of the left sliding plate 35 is fixedly connected with a left rack 37, and the left side of the right sliding plate 36 is fixedly connected with a right rack 38; an air cylinder 39 is fixedly provided on the left body frame 1 of the left slide plate 35, and a piston rod of the air cylinder 39 is connected to the left side of the left slide plate 35, or an air cylinder 39 is fixedly provided on the right body frame 1 of the right slide plate 36, and a piston rod of the air cylinder 39 is connected to the right side of the right slide plate 36. As shown in fig. 1, the left slide plate 35 is mounted above the upper fixing plate 32 through the left guide rail 33 and the left slider, the right slide plate 36 is mounted above the upper fixing plate 32 through the right guide rail 34 and the right slider, a support plate is arranged in the middle of the upper fixing plate 32, the upper gear i 40 and the pinion are fixed on the support plate, one of the right rack 38 and the left rack 37 is located between the upper gear i 40 and the pinion, the other is located on the upper gear i 40, and both the right rack 38 and the left rack 37 are kept horizontal; a left shaft 41 is fixed on the left sliding plate 35, a left bearing 42 is sleeved on the left shaft 41, the left shaft 41 can rotate, the left bearing 42 is positioned in a left bearing seat 43, the left bearing seat 43 is fixed on the upper surface of the left sliding plate 35, and a roller 44 with a V-shaped side surface is fixedly installed at the upper end of the left shaft 41. In the embodiment, two left bearing seats 43 are fixed above the left sliding plate 35, two left shafts 41 are respectively installed in the two left bearing seats 43 through left bearings 42, two V-shaped rollers 44 are respectively installed above the two left shafts 41, a left rack 37 is fixed below the left sliding plate 35, and the left rack 37 is located between the upper gear I40 and the pinion. A right shaft 45 is fixed on the right sliding plate 36, a right bearing 46 is sleeved outside the right shaft 45, the right shaft 45 can rotate, the right bearing 46 is positioned in a right bearing seat 47, the right bearing seat 47 is fixed on the upper surface of the right sliding plate 36, and a roller 44 with a V-shaped side surface is fixedly installed at the upper end of the right shaft 45; as shown in FIG. 1, two right bearing seats 47 are fixed above the right sliding plate 36, two right shafts 45 are respectively installed in the two right bearing seats 47 through right bearings 46, two V-shaped rollers 44 are respectively installed above the two right shafts 45, a right rack 38 is fixed below the right sliding plate 36, and the right rack 38 is meshed with the upper part of the upper gear I40. An upper servo motor I48 is fixedly arranged on the bottom surface of the left sliding plate 35, and an output shaft of the upper servo motor I48 penetrates through a through hole in the left sliding plate 35 to be fixedly connected to the lower end of a left shaft 41, or an upper servo motor I48 is fixedly arranged on the bottom surface of the right sliding plate 36, and an output shaft of the upper servo motor I48 penetrates through a through hole in the right sliding plate 36 to be fixedly connected to the lower end of a right shaft 45. As shown in fig. 1, an upper servo motor i 48 is fixed below the right slide plate 36, and its output end is connected to the lower side of one of the right shafts 45, and an air cylinder 39 is fixed to the right side of the main body frame 1, and its output end is connected to the right side of the right slide plate 36. The left sliding belt 49 and the right sliding belt 50 are respectively arranged on the main body frame 1 on the left sliding plate 35 and the right sliding plate 36, and the left sliding belt 49 and the right sliding belt 50 are consistent in height and are slightly higher than the bottom surface of the roller 44.

The hole locating component is fixed at the top of the main body frame 1 and used for locating each bolt hole on the wheel, the hole locating component comprises a transition taper pin, a blind hole is formed in the center of the lower end of the transition taper pin, the hole locating component can drive the transition taper pin to move back and forth, left and right and up and down, and the transition taper pin is inserted into each bolt hole of the wheel one by one. The hole positioning assembly comprises an upper servo electric cylinder II 51, an upper lifting plate 52, an upper guide rail III 55, an upper sliding block I56, an upper sliding plate III 57, an upper servo motor II 58, an upper gear II 59, an upper rack II 60, an upper vertical plate 61, an upper sliding plate II 62, an upper guide rail II 63, an upper sliding block II 64, an upper sliding plate I65, an upper servo electric cylinder I66, an upper and lower floating seat II 67, a spring II 68 and a transition taper pin; an upper servo electric cylinder II 51 is fixed on the top surface of the main body frame 1, an expansion rod of the upper servo electric cylinder II 51 is downwards fixed on the upper surface of an upper lifting plate 52, the bottom surface of the upper lifting plate 52 is fixed with an upper guide rail III 55 which is arranged in front and at the back, an upper slide block I56 is arranged on the upper guide rail III 55, an upper slide block I56 is fixed on an upper slide plate III 57, an upper servo motor II 58 is fixed on the bottom surface of the middle part of the upper slide plate III 57, an output shaft of the upper servo motor II 58 penetrates through a through hole in the middle part of the upper slide plate III 57 and is vertically and upwards fixedly connected to an upper gear II 59, an upper rack II 60 is fixed on the bottom surface of the upper lifting plate 52, the upper gear II 59 is matched with the upper rack II 60, the output shaft of the upper servo motor II 58 drives the upper gear; an upper vertical plate 61 is respectively fixed on the left side and the right side of the bottom surface of the upper sliding plate III 57, an upper sliding plate II 62 is fixed at the lower end of the upper vertical plate 61, an upper guide rail II 63 arranged on the left side and the right side is fixed on the bottom surface of the upper sliding plate II 62, an upper sliding block II 64 is arranged on the upper guide rail II 63 and can move left and right on the upper guide rail II 63, and the bottom surface of the upper sliding block II 64 is fixedly connected to the top surface of an upper; an upper servo electric cylinder I66 is arranged at the left end or the right end of the upper guide rail II 63, the telescopic rod of the upper servo electric cylinder I66 is connected to the left side or the right side of an upper sliding plate I65, and the telescopic rod of the upper servo electric cylinder I66 can push the upper sliding plate I65 and an upper sliding block II 64 to move left and right along the upper guide rail II 63; the top surface of the upper floating seat II 67 and the lower floating seat II 67 are fixed on the bottom surface of the upper sliding plate I65, the bottom surface of the upper floating seat II 67 and the lower floating seat II 67 are fixedly connected with a spring II 68, and the lower end of the spring II 68 is fixedly connected with a transition taper pin. An upper guide post 53 is further fixed on the upper surface of the upper lifting plate 52, the lower end of the upper guide post 53 is fixed on the upper surface of the upper lifting plate 52, the upper end of the upper guide post 53 passes through a through hole formed on the top surface of the main frame 1 and extends into an upper guide sleeve 54 fixed on the top surface of the main frame 1, and the upper lifting plate 52 moves up and down to drive the upper guide post 53 to move up and down in the upper guide sleeve 54. As shown in figure 1, a transition taper pin is fixed below a spring II 68 on an upper and lower floating seat II 67, the upper and lower floating seat II 67 is fixed below an upper sliding plate I65, the upper sliding plate I65 is fixed below an upper sliding plate II 62 through an upper guide rail II 63 and an upper sliding block II 64, an upper servo electric cylinder I66 is fixed on the left side below the upper sliding plate II 62, the output end of the upper servo electric cylinder I is connected with the left side of the upper sliding plate I65, the upper sliding plate II 62 is fixed below the upper sliding plate III 57 through an upper vertical plate 61, the upper sliding plate III 57 is fixed on the bottom surface of the upper lifting plate 52 through an upper guide rail III 55 and an upper sliding block I, an upper rack II 60 is also fixed on the bottom surface of the upper lifting plate 52, an upper servo motor II 58 is fixed on the bottom surface of the upper sliding plate III 57, the output end of the upper gear II 59 is fixed, the upper gear II 59 is meshed with the upper rack II 60, four upper guide columns 53 are, the four upper guide sleeves 54 are fixed in through holes formed in the top surface of the main body frame 1; two upper servo electric cylinders II 51 are fixed at the top end of the main body frame 1, and the output ends of the two upper servo electric cylinders II are hinged with the upper surface of the lifting plate 52.

The hole coordinate measuring assembly comprises a distance sensor 28, a measuring needle 31, an X-axis displacement sensor 70, a Y-axis displacement sensor 18, a front-back movement assembly and a left-right movement assembly; the forward and backward movement component drives the X-axis displacement sensor 70, the distance sensor 28 and the measuring needle 31 to move in the forward and backward directions, and the X-axis displacement sensor 70 measures the movement distance of the forward and backward movement component relative to the initial position; the left and right movement assembly drives the distance sensor 28, the measuring needle 31, the X-axis displacement sensor 70 and the Y-axis displacement sensor 18 to move in the left and right directions, and the Y-axis displacement sensor 18 measures the movement distance of the left and right movement assembly relative to the initial position; the distance sensor 28 measures the distance from the flange face of the wheel; the measuring needle 31 is matched with a blind hole at the lower end of the transition taper pin, and the upper end of the measuring needle 31 is inserted into the blind hole at the lower end of the transition taper pin and used for determining the position of a bolt hole on the wheel. The hole coordinate measuring assembly comprises a left-right moving guide rail 14, a lower sliding block I15, a lower servo electric cylinder II 16, a lower vertical plate II 17, a Y-axis displacement sensor 18, a lower sliding plate I19, a lower vertical plate I20, a lower sliding plate II 21, a front-back moving guide rail 22, a lower sliding block II 23, a lower servo motor II 24, a lower rack 25, a lower gear 26, a lower sliding plate III 27, an X-axis displacement sensor 70, a distance sensor 28, an upper floating seat I29, a spring I30 and a measuring needle 31; the upper end plane of the height inclination angle adjusting assembly is fixed with a left-right moving guide rail 14, namely the upper surface of the rotating platform 11 is fixed with the left-right moving guide rail 14, a lower sliding block I15 is arranged on the left-right moving guide rail 14, a lower sliding plate I19 is fixed at the upper end of the lower sliding block I15, and the lower sliding plate I19 is installed on the upper surface of the rotating platform 11 through the lower guide rail I and the lower sliding block I15. One end of the left and right moving guide rail 14 on one side of the upper surface of the rotating platform 11 is provided with a lower vertical plate II 17, the lower vertical plate II 17 is provided with a Y-axis displacement sensor 18 and a lower servo electric cylinder II 16, a piston rod of the lower servo electric cylinder II 16 is connected with one side of a lower sliding plate I19, the piston rod of the lower servo electric cylinder II 16 pushes the lower sliding plate I19 and a lower sliding block I15 to move left and right along the left and right moving guide rail 14, the Y-axis displacement sensor 18 can measure the displacement of the lower sliding plate I19 along the left and right moving, as shown in fig. 1, a lower vertical plate ii 17 is fixed on the right side of the upper end of the rotating table 11, a lower servo electric cylinder ii 16 is fixed on the right side of the lower vertical plate ii 17, the output end of the Y-axis displacement sensor is connected with the right side of the lower sliding plate I19, the Y-axis displacement sensor 18 is fixed on the right side of the lower vertical plate II 17 and is arranged at the lower end of the lower servo electric cylinder II 16, and the output end of the Y-axis displacement sensor is connected with the right side of the lower sliding plate I19. A lower vertical plate I20 is respectively fixed on the left side and the right side of the lower sliding plate I19, the two lower vertical plates I20 are parallel, a lower sliding plate II 21 is fixed on the two lower vertical plates I20, and the lower sliding plate II 21 is fixed above the lower sliding plate I19 through the lower vertical plates I20. The upper surface of the lower sliding plate II 21 is fixed with a front-back moving guide rail 22, a lower sliding block II 23 is arranged on the front-back moving guide rail 22, a lower servo motor II 24 is fixed at the middle position of the bottom surface of the lower sliding plate II 21, an output shaft of the lower servo motor II 24 penetrates through a through hole in the middle position of the lower sliding plate II 21 and is fixedly connected with a lower gear 26, a lower rack 25 is arranged on one side, close to the lower gear 26, of the bottom surface of the lower sliding block III, and the lower gear 26 is meshed. An output shaft of the lower servo motor II 24 drives a lower gear 26 to rotate, and the lower gear 26 drives a lower sliding block II 23 to move back and forth along the back and forth moving guide rail 22 through a lower rack 25; a lower sliding plate III 27 is fixedly arranged on the lower sliding block II 23, an X-axis displacement sensor 70 is fixedly arranged at one end of the front-back moving guide rail 22 on the lower sliding plate II 21, the X-axis displacement sensor 70 can measure the displacement of the lower sliding plate III 27 along the front-back moving guide rail 22, as shown in figure 1, the X-axis displacement sensor 70 is fixedly arranged on the side surface of the upper end of the lower sliding plate II 21, and the output end of the X-axis displacement sensor is connected with the lower end of the lower sliding plate. A distance sensor 28 and an upper and lower floating seat I29 are fixedly arranged on the lower sliding plate III 27, the distance sensor 28 is fixed on the left side of the upper end of the lower sliding plate III 27, the upper and lower floating seat I29 is fixed on the right side of the upper end of the lower sliding plate III 27, a spring I30 is fixed on the upper and lower floating seat I29, and a measuring needle 31 is fixed on the upper end of the spring I30.

In the actual measurement, the measurement is carried out,

firstly, wheels are placed at the positions of the wheel fixing assemblies, the wheel fixing assemblies fix and clamp the wheels, the air cylinder 39 pushes the right sliding plate 36 to move leftwards, and the four V-shaped rollers 44 synchronously clamp the wheels through the upper gear I40, the right rack 38 and the left rack 37; the wheel fixing component rotates to drive the wheel to rotate, the upper servo motor I48 enables the wheel in a wheel clamping state to rotate through the right shaft 45, the valve hole is rotated to the initial position, and the position of the valve hole and the position of the bolt hole are determined, so that the position of the bolt hole can be obtained through the position of the valve hole. Then, the distance sensor 28 measures the distance between the distance sensor and the flange surface of the wheel, the height inclination angle adjusting assembly adjusts the height of the hole coordinate measuring assembly to enable the distance between the hole coordinate measuring assembly and the flange surface of the wheel to be proper, and the lower servo electric cylinder III 3 enables the distance sensor 28 to move upwards to the position below the flange surface of the wheel through the lower guide pillar 12 and the lower guide sleeve 13; then, the hole coordinate measuring assembly measures the space coordinates of three points of the flange surface of the wheel, which are not on the same straight line, by using the X-axis displacement sensor 70, the Y-axis displacement sensor 18 and the distance sensor 28, the inclination angle of the flange surface of the wheel is obtained according to the space coordinates of the three points, and the height inclination angle adjusting assembly adjusts the inclination angle of the measuring surface of the hole coordinate measuring assembly, so that the measuring surface of the hole coordinate measuring assembly is parallel to the flange surface of the wheel; a lower servo motor II 24 enables a measuring needle 31 to move back and forth through a lower gear 26 and a lower rack 25, a lower servo electric cylinder II 16 enables the measuring needle 31 to move left and right through a lower guide rail I, a lower sliding block I15 and a lower sliding plate I19, three-point space coordinates of the flange surface of the wheel, which are not on the same straight line, are measured through an X-axis displacement sensor 70, a Y-axis displacement sensor 18 and a distance sensor 28, after the inclination angle of the flange surface of the wheel is obtained, the three servo electric cylinders I adjust the angle of the lower platform 10 to enable the angle to be completely parallel to the flange surface of the wheel; then, the hole positioning assembly drives the transition taper pin to move back and forth, left and right, up and down, so that the transition taper pin is inserted into a bolt hole of the wheel, the hole coordinate measuring assembly inserts the measuring needle 31 into a blind hole at the lower end of the transition taper pin, and the position coordinate of the bolt hole is obtained according to the X-axis displacement sensor 70, the Y-axis displacement sensor 18 and the distance sensor 28; the upper servo electric cylinder I66 enables the transition taper pin to move left and right through an upper guide rail II 63, the upper servo motor II 58 enables the transition taper pin to move back and forth through an upper gear II 59, an upper rack II 60 and an upper guide rail III 55, the upper servo electric cylinder II 51 enables the transition taper pin to move up and down through an upper guide pillar 53 and an upper guide sleeve 54, and through the movement, the transition taper pin can be accurately inserted into the taper hole of the bolt hole of the wheel, so that the conical surface of the transition taper pin is tightly attached to the conical surface of the bolt hole of the wheel; and then, repeating the previous step, wherein the hole positioning assembly and the hole coordinate measuring assembly are matched to measure the position coordinates of each bolt hole one by one, so that the transition taper pin is inserted into each bolt hole taper hole of the wheel one by one, the measuring needle 31 measures the actual coordinates of the hole at the lower end of the transition taper pin one by one, and the position error is calculated according to the position coordinates of each bolt hole obtained through measurement and the theoretical position coordinates, so that the actual position value of each bolt hole is obtained.

To sum up, the utility model provides a wheel bolt hole position degree automated inspection device and method, including main body frame, hole locating component, wheel fixed subassembly, high inclination adjustment subassembly, hole coordinate measurement subassembly, realize wheel bolt hole position degree automated inspection, not only detection efficiency is high, can satisfy mass production's needs, has guaranteed product quality, has improved production efficiency, can detect out concrete error numerical value moreover, is convenient for in time adjust processing parameter, improves product quality.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. The utility model provides a wheel bolt hole position degree automatic checkout device, includes main body frame, hole locating component, wheel fixed subassembly, high inclination adjustment subassembly, hole coordinate measurement subassembly, its characterized in that:

the height and inclination angle adjusting assembly is positioned at the bottom of the main body frame, the hole coordinate measuring assembly is fixed on the height and inclination angle adjusting assembly, the height and inclination angle adjusting assembly can adjust the height of the hole coordinate measuring assembly to enable the hole coordinate measuring assembly to be in proper distance with the flange surface of the wheel, and an included angle between the measuring surface of the hole coordinate measuring assembly and the horizontal plane is adjusted to enable the measuring surface of the hole coordinate measuring assembly to be parallel to the flange surface of the wheel;

the wheel fixing assembly is arranged on the main body frame above the hole coordinate measuring assembly and below the hole positioning assembly, is used for fixing the wheel and can drive the wheel to rotate;

the hole positioning assembly is fixed at the top of the main body frame and used for positioning each bolt hole on the wheel, the hole positioning assembly comprises a transition taper pin, a blind hole is formed in the center of the lower end of the transition taper pin, and the hole positioning assembly can drive the transition taper pin to move back and forth, left and right and up and down and enable the transition taper pin to be inserted into each bolt hole of the wheel one by one;

the hole coordinate measuring assembly comprises a distance sensor, a measuring needle, an X-axis displacement sensor, a Y-axis displacement sensor, a front-back movement assembly and a left-right movement assembly; the forward and backward movement assembly drives the X-axis displacement sensor, the distance sensor and the measuring needle to move in the forward and backward directions, and the X-axis displacement sensor measures the movement distance of the forward and backward movement assembly relative to the initial position; the left and right movement assembly drives the distance sensor, the measuring needle, the X-axis displacement sensor and the Y-axis displacement sensor to move in the left and right directions, and the Y-axis displacement sensor measures the movement distance of the left and right movement assembly relative to the initial position; the distance sensor measures the distance from the flange surface of the wheel; the measuring needle is matched with the blind hole at the lower end of the transition taper pin, and the upper end of the measuring needle is inserted into the blind hole at the lower end of the transition taper pin and used for determining the position of the bolt hole on the wheel.

2. The automatic wheel bolt hole position detection device according to claim 1, wherein: the height inclination angle adjusting assembly comprises a lower fixing plate, a lower servo electric cylinder III, a lower lifting plate, a lower servo motor I, a lower servo electric cylinder I, a central shaft, a lower platform and a rotating platform; the lower fixing plate is fixed at the bottom of the main body frame, the lower servo electric cylinder III is fixed on the bottom surface of the lower fixing plate, a telescopic shaft of the lower servo electric cylinder III vertically and upwards penetrates through a through hole formed in the corresponding position on the lower fixing plate to be fixedly connected to the bottom surface of the lower lifting plate, a plurality of lower servo electric cylinders I are uniformly arranged on the circumference of the upper surface of the lower lifting plate, the lower ends of the lower servo electric cylinders I are movably connected to the upper surface of the lower lifting plate, and the upper ends of the lower servo electric cylinders I are movably connected to the bottom surface of the lower platform; a lower servo motor I is movably connected to the middle position of the lower lifting plate, an output shaft at the upper end of the lower servo motor I penetrates through the lower platform to be connected to a central shaft, and the other end of the central shaft is fixedly connected to the bottom surface of the rotating table; the upper surface of the rotating platform is fixedly provided with a hole coordinate measuring assembly.

3. The automatic wheel bolt hole position detection device according to claim 2, wherein: the height and inclination angle adjusting assembly further comprises a lower guide pillar and a lower guide sleeve, the upper end of the lower guide pillar is fixed to the bottom surface of the lower lifting plate, the lower end of the lower guide pillar penetrates through the lower guide sleeve fixed in a through hole formed in the lower fixing plate, and the lower lifting plate moves up and down to drive the lower guide pillar to move up and down in the guide sleeve.

4. The automatic wheel bolt hole position detection device according to claim 2, wherein: the bearing is sleeved on the circumference of the central shaft and arranged in the bearing seat, and the bearing seat is fixed on the upper surface of the lower platform.

5. The automatic wheel bolt hole position detection device according to claim 1, wherein: the hole coordinate measuring assembly comprises a left-right moving guide rail, a lower sliding block I, a lower servo electric cylinder II, a lower vertical plate II, a Y-axis displacement sensor, a lower sliding plate I, a lower vertical plate I, a lower sliding plate II, a front-back moving guide rail, a lower sliding block II, a lower servo motor II, a lower rack, a lower gear, a lower sliding plate III, an X-axis displacement sensor, a distance sensor, an upper floating seat I, a lower floating seat I, a spring I and a measuring needle; a left-right moving guide rail is fixed on the upper end plane of the height inclination angle adjusting assembly, a lower sliding block I is arranged on the left-right moving guide rail, a lower sliding plate I is fixed at the upper end of the lower sliding block I, a lower vertical plate II is arranged at one end of the left-right moving guide rail, a Y-axis displacement sensor and a lower servo electric cylinder II are arranged on the lower vertical plate II, a piston rod of the lower servo electric cylinder II is connected with one side of the lower sliding plate I, the piston rod of the lower servo electric cylinder II pushes the lower sliding plate I and the lower sliding block I to move left and right along the left-right moving guide rail, and; a lower vertical plate I is fixed on each of the left side and the right side of the lower sliding plate I, the two lower vertical plates I are parallel, and a lower sliding plate II is fixed on the two lower vertical plates I; a front-and-back moving guide rail is fixed on the upper surface of the lower sliding plate II, a lower sliding block II is arranged on the front-and-back moving guide rail, a lower servo motor II is fixed in the middle of the bottom surface of the lower sliding plate II, an output shaft of the lower servo motor II penetrates through a through hole in the middle of the lower sliding plate II and is fixedly connected with a lower gear, a lower rack is arranged on one side of the lower sliding block II, which is close to the lower gear, the output shaft of the lower servo motor II drives the lower gear to rotate, and the lower gear drives the; a lower sliding plate III is fixedly arranged on the lower sliding block II, an X-axis displacement sensor is fixedly arranged at one end of the front-back moving guide rail on the lower sliding plate II, and the X-axis displacement sensor can measure the displacement of the lower sliding plate III along the front-back moving guide rail; and a distance sensor and an upper and lower floating seat I are fixedly arranged on the lower sliding plate III, a spring I is fixed on the upper and lower floating seat I, and a measuring needle is fixed at the upper end of the spring I.

6. The automatic wheel bolt hole position detection device according to claim 1, wherein: the wheel fixing assembly comprises an upper fixing plate, a left guide rail, a right guide rail, a left sliding plate, a right sliding plate, a left rack, a right rack, a cylinder, an upper gear I, a left shaft, a left bearing seat, a roller, a right shaft, a right bearing seat and an upper servo motor I; the upper fixing plate is fixed on the main body frame above the hole coordinate measuring assembly, the left and right sides of the upper surface of the upper fixing plate are fixed with a left guide rail and a right guide rail which are arranged on the same straight line, the left guide rail is provided with a left sliding plate, the right guide rail is provided with a right sliding plate, the right side of the left sliding plate is fixedly connected with a left rack, and the left side of the right sliding plate is fixedly connected with a right rack; a cylinder is fixedly arranged on the main body frame on the left side of the left sliding plate, and a piston rod of the cylinder is connected with the left side of the left sliding plate, or a cylinder is fixedly arranged on the main body frame on the right side of the right sliding plate, and a piston rod of the cylinder is connected with the right side of the right sliding plate; a supporting plate is arranged in the middle of the upper fixing plate, an upper gear I and a pinion are fixed on the supporting plate, one of a right rack and a left rack is positioned between the upper gear I and the pinion, the other rack is positioned on the upper gear I, and the right rack and the left rack are both kept horizontal; a left shaft is fixed on the left sliding plate, a left bearing is sleeved outside the left shaft and can rotate, the left bearing is positioned in a left bearing seat, the left bearing seat is fixed on the upper surface of the left sliding plate, and a roller with a V-shaped side surface is fixedly installed at the upper end of the left shaft; a right shaft is fixed on the right sliding plate, a right bearing is sleeved outside the right shaft and can rotate, the right bearing is positioned in a right bearing seat, the right bearing seat is fixed on the upper surface of the right sliding plate, and a roller with a V-shaped side surface is fixedly installed at the upper end of the right shaft; servo motor I is installed to bottom surface fixed mounting on the left slide, goes up the output shaft of servo motor I and passes through the through-hole fixed connection on the left slide to the lower extreme of a left axle, perhaps installs servo motor I in the bottom surface fixed mounting on the right slide, goes up the output shaft of servo motor I and passes through the through-hole fixed connection on the right slide to the lower extreme of a right axle.

7. The automatic wheel bolt hole position detection device according to claim 6, wherein: and a left sliding belt and a right sliding belt are respectively arranged on the main body frames of the left sliding plate and the right sliding plate, and the left sliding belt and the right sliding belt are consistent in height and slightly higher than the bottom surfaces of the rollers.

8. The automatic wheel bolt hole position detection device according to claim 1, wherein: the hole positioning assembly comprises an upper servo electric cylinder II, an upper lifting plate, an upper guide rail III, an upper sliding block I, an upper sliding plate III, an upper servo motor II, an upper gear II, an upper rack II, an upper vertical plate, an upper sliding plate II, an upper guide rail II, an upper sliding block II, an upper sliding plate I, an upper servo electric cylinder I, an upper and lower floating seat II, a spring II and a transition taper pin; an upper servo electric cylinder II is fixed on the top surface of the main body frame, a telescopic rod of the upper servo electric cylinder II is fixed on the upper surface of an upper lifting plate downwards, an upper guide rail III which is arranged in front and at the back is fixed on the bottom surface of the upper lifting plate, an upper slide block I is arranged on the upper guide rail III, an upper servo motor II is fixed on the bottom surface of the middle part of the upper sliding plate III, an output shaft of the upper servo motor II penetrates through a middle through hole of the upper sliding plate III to be vertically and upwards fixedly connected to an upper gear II, an upper rack II is fixed on the bottom surface of the upper lifting plate, the upper gear II is matched with the upper rack II, an output shaft of the upper servo motor II drives the upper gear II to rotate, and the upper gear II moves back and forth; an upper vertical plate is fixed on the left side and the right side of the bottom surface of an upper sliding plate III respectively, an upper sliding plate II is fixed at the lower end of the upper vertical plate, an upper guide rail II which is arranged on the left side and the right side is fixed on the bottom surface of the upper sliding plate II, an upper sliding block II is arranged on the upper guide rail II and can move left and right on the upper guide rail II, and the bottom surface of the upper sliding block II is fixedly connected to the top surface; an upper servo electric cylinder I is arranged at the left end or the right end of an upper guide rail II, a telescopic rod of the upper servo electric cylinder I is connected to the left side or the right side of an upper sliding plate I, and the telescopic rod of the upper servo electric cylinder I can push the upper sliding plate I and an upper sliding block II to move left and right along the upper guide rail II; the top surface of the upper floating seat II and the lower floating seat II are fixed on the bottom surface of the upper sliding plate I, the bottom surface of the upper floating seat II and the lower floating seat II are fixedly connected with a spring II, and the lower end of the spring II is fixedly connected with a transition taper pin.

9. The automatic wheel bolt hole position detection device according to claim 8, wherein: an upper guide pillar is further fixed on the upper surface of the upper lifting plate, the lower end of the upper guide pillar is fixed on the upper surface of the upper lifting plate, the upper end of the upper guide pillar penetrates through a through hole formed in the top surface of the main body frame and extends into an upper guide sleeve fixed on the top surface of the main body frame, and the upper lifting plate moves up and down to drive the upper guide pillar to move up and down in the upper guide sleeve.