CN219551475U - Hub comprehensive dimension measuring machine - Google Patents

Abstract

The application discloses a hub comprehensive dimension measuring machine, which comprises a measuring unit for measuring hub parameters, wherein the measuring unit comprises: the positioning assembly is used for positioning the center of the hub and driving the hub to rotate and comprises a first measuring head penetrating through a center hole of the hub and a first sensor embedded in the first measuring head; the lifting measurement assembly comprises a second sensor which moves along the vertical direction and is used for detecting the inner hole of the hub; the transverse movement measuring assembly comprises at least two groups of vertically arranged lifting adjusting parts and a horizontal adjusting part which is arranged on the lifting adjusting parts and moves vertically along with the lifting adjusting parts, and the horizontal adjusting part comprises a third sensor which moves along the horizontal direction and corresponds to the periphery of the hub; and the conveying assembly is used for positioning the hub and conveying the hub onto the positioning assembly and comprises a first supporting ring for placing the hub, and the first supporting ring moves towards the positioning assembly. The measuring machine can automatically detect various comprehensive machining sizes of the hubs, and is high in accuracy and efficiency.

Description

Hub comprehensive dimension measuring machine

Technical Field

The application relates to the technical field of measuring equipment, in particular to a hub comprehensive dimension measuring machine.

Background

The automobile hub is an important component of automobile parts, is a part of the center of a wheel for installing an axle, and has higher processing precision requirement. In the prior art, the measurement is mainly carried out by a measuring tool such as a caliper, a micrometer or a three-coordinate detector, the automation degree of the equipment for measuring the hub is low, and the accuracy of the measurement result can not be accurately positioned; meanwhile, the measurement time is too long, and the accurate measurement of multiple sizes cannot be realized.

In summary, developing an automated visual inspection and analysis device with higher accuracy and larger size for inspecting hubs is a problem to be solved by those skilled in the art

Therefore, how to design a high-precision multi-size hub integrated size measuring machine is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a hub comprehensive dimension measuring machine which can automatically detect the hub comprehensive machining dimension, and has higher precision and higher efficiency.

To achieve the above object, the present utility model provides a hub integrated dimension measuring machine including a measuring unit for measuring a hub parameter, the measuring unit including:

the positioning assembly is used for positioning the center of the hub and driving the hub to rotate and comprises a first measuring head penetrating through a center hole of the hub and a first sensor embedded in the first measuring head and used for detecting the inner diameter of the center hole;

The lifting measurement assembly comprises a second sensor which moves along the vertical direction and is used for detecting the inner hole of the hub;

the transverse movement measuring assembly comprises at least two groups of vertically arranged lifting adjusting parts and a horizontal adjusting part which is arranged on the lifting adjusting parts and moves vertically along with the lifting adjusting parts, the horizontal adjusting part comprises a third sensor which moves along the horizontal direction and corresponds to the periphery of the hub, and the third sensor is used for detecting the outer diameter of the hub;

the conveying assembly is used for positioning the hub and conveying the hub to the positioning assembly, and comprises a first supporting ring used for placing the hub, a first positioning pin used for limiting the hub is arranged on the first supporting ring, the first supporting ring moves towards the positioning assembly, and the hub is placed on the positioning assembly.

Preferably, the positioning assembly is mounted on the base plate, and further comprises:

the support disc is sleeved on the periphery of the first measuring head and is rotatably arranged on the bottom plate, and the end face of the support disc, which is away from the bottom plate, is used for supporting the hub;

the positioning jig is positioned at the end part of the first measuring head, is used for positioning the central hole and stretches into the central hole;

The first measuring head is vertically and upwards fixedly arranged on the bottom plate, and the end part of the first measuring head, which is away from the bottom plate, exceeds the end surface of the supporting disc.

Preferably, the periphery of the supporting disc is sleeved with a gear ring, the bottom plate is provided with a first motor, and the power end of the first motor is provided with a first gear meshed with the gear ring.

Preferably, the elevation measurement assembly further comprises:

the upright post is vertically arranged on the bottom plate and is used as a bearing part of the lifting measurement assembly;

the first guide rail sliding block is vertically arranged on the side wall of the upright post;

the first connecting plate is in sliding connection with the upright post through the first guide rail sliding block, and the second sensor is arranged on the first connecting plate;

the screw rod is parallel to the first guide rail sliding block and arranged on the side wall of the upright post, penetrates through the first connecting plate and is connected with the first connecting plate through a nut screw rod, and the screw rod is rotated to drive the first connecting plate to move along the vertical direction;

and the second motor is arranged on the upright post, and the power end of the second motor is connected with the screw rod and is used for driving the screw rod to rotate.

Preferably, a limiting block for limiting the movement range of the first connecting plate is arranged on the upright post, a pen-type sensor moving along with the first connecting plate is arranged on the side edge of the first connecting plate, a positioning block corresponding to the pen-type sensor is arranged on the side edge of the upright post, and the pen-type sensor and the positioning block are used for detecting that the first connecting plate slides in place.

Preferably, the traversing measuring assembly is disposed on the reference base plate, and further comprises:

the reference plate is horizontally arranged on the reference bottom plate and used as a bearing part of the transverse movement measuring assembly;

the second guide rail sliding block is arranged on the end face of the reference plate;

the second connecting plate is in sliding connection with the reference plate through the second guide rail sliding block and is used for driving the second connecting plate to move towards the positioning assembly;

the air cylinder is positioned on the reference plate, and the power end of the air cylinder is connected with the second connecting plate and is used for driving the second connecting plate to move;

wherein each group of lifting adjusting parts are arranged on the second connecting plate.

Preferably, any one of the sets of the elevation adjustment members includes:

the first mounting plate is vertically mounted on the second connecting plate;

the third guide rail sliding block is vertically arranged on the first mounting plate;

the connecting block is in sliding connection with the first mounting plate through the third guide rail sliding block, an adjusting screw rod used for adjusting the position of the connecting block is arranged on the connecting block in a penetrating mode, and the adjusting screw rod is in threaded connection with the connecting block;

the first locking block is arranged on the connecting block, a first handle is arranged on the first locking block, and the first handle is screwed to fixedly lock the connecting block on the third guide rail sliding block.

Preferably, the connecting blocks comprise an upper connecting block and a lower connecting block, and the adjusting screw comprises a long adjusting screw and a short adjusting screw;

the short adjusting screw rod penetrates through the upper connecting block and is in threaded connection with the upper connecting block, and the short adjusting screw rod is rotated to adjust the position of the upper connecting block;

the long adjusting screw penetrates through the upper connecting block and is in threaded connection with the lower connecting block, and the long adjusting screw is rotated to be used for adjusting the position of the lower connecting block;

and the lower connecting block is also provided with a through hole for passing through the short adjusting screw.

Preferably, the leveling member is provided on the connection block and moves with the connection block, and the leveling member further includes:

the second mounting plate is horizontally arranged on the connecting block;

the fourth guide rail sliding block is horizontally arranged on the second mounting plate;

the T-shaped connecting plate is in sliding connection with the second mounting plate through the fourth guide rail sliding block, a transverse adjusting screw rod used for adjusting the position of the T-shaped connecting plate is arranged on the T-shaped connecting plate in a penetrating mode, and the transverse adjusting screw rod is in threaded connection with the T-shaped connecting plate;

the second locking block is arranged on the T-shaped connecting plate, a second handle is arranged on the second locking block, and the second handle is screwed to fixedly lock the T-shaped connecting plate on the fourth guide rail sliding block;

The third connecting plate is positioned on the T-shaped connecting plate and extends along the direction away from the second mounting plate, and the end part of the third connecting plate away from the second mounting plate is provided with the third sensor.

Preferably, the end portion of the third connecting plate, which is far away from the second mounting plate, is provided with a protection bracket, the third sensor is located in the protection bracket, a second measuring head is arranged at the measuring end of the third sensor, and the second measuring head faces the hub and is attached to the outer wall of the hub.

Preferably, the conveying assembly is disposed on the reference base plate, and further includes:

the vertical plate is arranged on the reference bottom plate in a sliding manner and used as a bearing component of the conveying assembly, a fifth guide rail sliding block is vertically arranged on the side wall of the vertical plate, and the first supporting ring is vertically and slidably connected with the vertical plate through the fifth guide rail sliding block;

the electric cylinder is vertically arranged on the vertical plate and used for driving the first support ring to move along the fifth guide rail sliding block;

the sixth guide rail sliding block is arranged on the reference bottom plate, and the bottom of the vertical plate is in sliding connection with the reference bottom plate through the sixth guide rail sliding block;

the third motor is arranged on the vertical plate, and a second gear is arranged at the power end of the third motor;

The rack is arranged on the reference bottom plate and meshed with the second gear;

the second gear and the rack which are matched with each other are used for driving the vertical plate to horizontally move towards or away from the positioning assembly.

Preferably, the reference bottom plate and the bottom plate are both horizontally arranged, a vertical connecting plate for supporting the bottom plate is arranged on the reference bottom plate, the reference bottom plate is arranged on a measuring unit base, and the measuring unit base and the base of the frame are fixedly arranged.

Preferably, the hub integrated dimension measuring machine further includes a marker placement bracket located within the frame, the marker placement bracket for placing the hub to be measured, the marker placement bracket comprising:

the bracket is vertically arranged on the base;

the support is arranged at the end part of the bracket;

a second support ring disposed on the strut for supporting the hub to be measured;

and the second locating pin is positioned on the second supporting ring and used for limiting the hub.

Preferably, the hub integrated size measuring machine further comprises a display unit for displaying various measurement data and a control unit for controlling each electrical element.

Compared with the background technology, the wheel hub is conveyed to the positioning assembly through the conveying assembly, the wheel hub is placed on the positioning assembly, the second sensor on the lifting measurement assembly moves to the inner hole of the wheel hub vertically, the third sensor on the transverse movement measurement assembly moves to the outer diameter of the wheel hub, and the positioning assembly rotates to drive the wheel hub to rotate, so that the first sensor, the second sensor and the third sensor can measure the inner diameter of the central hole, the inner diameter of the inner hole and the outer diameter of the wheel hub simultaneously, various comprehensive sizes of the wheel hub can be detected, and the detection efficiency is high. Meanwhile, the measuring machine can measure the hubs with different sizes according to the measuring positions of the hub adjusting sensors with different sizes, and is wide in application range and high in detection precision.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 2 is a schematic view of another angle structure of a wheel hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 3 is a schematic perspective view of a measuring unit of a wheel hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 4 is a schematic perspective view of a lifting measurement assembly of a hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 5 is a schematic perspective view of a positioning assembly of a wheel hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 6 is a schematic perspective view of a lateral movement measuring assembly of a hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 7 is a schematic perspective view of a lifting adjustment member of a wheel hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 8 is a schematic perspective view of a horizontal adjustment member of a wheel hub integrated dimension measuring machine according to an embodiment of the present application;

FIG. 9 is a schematic perspective view of a conveying assembly of a wheel hub integrated dimension measuring machine according to an embodiment of the present application;

fig. 10 is a schematic perspective view of a positioning bracket for a wheel hub integrated dimension measuring machine standard according to an embodiment of the present application.

In the figure: 1. a frame; 11. a base;

2. A measuring unit;

21. lifting the measuring assembly; 211. column 212, first guide rail slide block 213, first connecting plate 214, second sensor 215, screw rod 216, second motor 217, limiting block 218, pen sensor 219, positioning block;

22. a positioning assembly; 221. the first measuring head 222, the first sensor 223, the supporting disk 224, the positioning jig 225, the gear ring 226, the first motor 227 and the first gear;

23. a measurement unit base;

24. a traversing measurement assembly; 241. a reference plate 242, a cylinder 243, a second rail slider 244, a second connection plate 245, a lifting adjustment member 246, and a horizontal adjustment member;

2451. the first mounting plate 2452, the third guide rail slide block 2453, the upper connecting block 2454, the lower connecting block 2455, the first locking block 2456, the first handle 2457, the short adjusting screw 2458, the long adjusting screw 2459 and the through hole;

2461. the second mounting plate 2462, the fourth guide rail slide block 2463, the second locking block 2464, the second handle 2465, the T-shaped connecting plate 2466, the transverse adjusting screw 2467, the third connecting plate 2468, the protective bracket 2469, the third sensor 2460 and the second measuring head;

25. a transport assembly; 251. the first support ring 252, the first positioning pin 253, the vertical plate 254, the electric cylinder 255, the third motor 256, the second gear 257, the rack 258 and the sixth guide rail slide block;

26. A lubrication pump;

27. a bottom plate;

28. a reference base plate;

29. a hub;

3. a display unit;

4. a manipulation unit;

5. an alarm lamp;

6. a target placement bracket; 61. a second support ring 62, a second locating pin 63, a bracket 64, a post;

7. an air-conditioning electric cabinet;

8. a distribution box;

9. a pneumatic box;

10. a work light.

Detailed Description

The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The present application will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present application.

It should be noted that, in the present embodiment, the orientation or positional relationship indicated by "upper", "lower", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 10 of the accompanying drawings, in the present embodiment, a wheel hub comprehensive dimension measuring machine is provided, the measuring machine includes a frame 1, a measuring unit 2, an equipment display unit 3, a control unit 4, and a standard placement bracket 6, wherein the frame 1 can be an aluminum profile equipment frame, and the mass of the frame is easy to process. The measuring unit 2 is arranged on the base 11 of the frame 1, the equipment display unit 3 and the operating unit comprise an industrial-grade flat plate and an equipment control system, and the equipment display unit 3 and the operating unit 4 are arranged on the frame 1 and used for protecting the industrial-grade flat plate and the equipment control system and facilitating the observation and control of workers. The standard placement bracket 6 is placed in the frame 1, and the hub 29 to be measured is placed, in this embodiment, the hub 29 to be measured is a workpiece to be measured, as shown in fig. 10, the standard placement bracket 6 includes a bracket 63, a support post 64, a second support ring 61 and a second positioning pin 62, the bracket 63 is vertically disposed on the base 11, the support post 64 is disposed at the top of the bracket 63, the support post 64 is used for supporting the second support ring 61, the second support ring 61 is used for placing the hub 29 to be measured, in addition, the second positioning pin 62 is disposed on the second support ring 61, and the second positioning pin 62 is matched with a positioning hole of the hub 29, thereby limiting the hub 29 to be measured from shaking on the standard placement bracket 6 at will.

In addition, the measuring machine also comprises a distribution box 8, a power switch, a pneumatic box 9, an air conditioner electric cabinet 7 and other components which are arranged at the back of the frame 1, and the safety level of the measuring machine is improved by arranging the measuring machine at the back of the frame 1. Meanwhile, a working lamp 10 is arranged at the upper part of the frame 1, and has a lighting function; in addition, frame 1 top still is provided with alarm lamp 5, and this alarm lamp 5 can be the trichromatism alarm lamp, can show the operating condition of lathe, in time reminds operating personnel, has the warning effect. And the periphery of the frame 1 is also provided with a protective door, so that the mold changing adjustment and the later equipment maintenance are convenient. Of course, the measuring machine may further include other components with auxiliary properties, which are not described herein in detail, and reference is made to the prior art.

For the measuring unit 2, as shown in fig. 3, the measuring unit 2 includes a positioning component 22, a lifting measuring component 21, a traversing measuring component 24, a conveying component 25 and a lubrication pump 26, where the lubrication pump 26 is installed on the lifting measuring component 21 and can be used for lubricating the rail sliders, and of course, the lubrication pump 26 can be disposed at a plurality of rail sliders and can lubricate the plurality of rail sliders. The lifting measurement assembly 21 and the positioning assembly 22 are arranged on the bottom plate 27, the bottom plate 27 is connected with the reference bottom plate 28 through a vertical connecting plate, the reference bottom plate 28 is arranged on the measurement unit base 23, the measurement unit base 23 is arranged on the base 11, the traversing measurement assembly 24 and the conveying assembly 25 are arranged on the reference bottom plate 28, the workpiece to be measured is placed on the conveying assembly 25, the conveying assembly 25 conveys the workpiece to be measured to the positioning assembly 22 for positioning, and the lifting measurement assembly 21 and the traversing measurement assembly 24 measure the workpiece.

Specifically, the positioning assembly 22 is capable of centering the hub 29 and driving the hub 29 to rotate, and includes a first measuring head 221 penetrating through a center hole of the hub 29 and a first sensor 222 embedded in the first measuring head 221 and used for detecting an inner diameter of the center hole; it should be noted that, the positioning assembly 22 is mounted on the bottom plate 27, and further includes a supporting disc 223 and a positioning fixture 224, where the supporting disc 223 is sleeved on the periphery of the first measuring head 221 and is rotatably disposed on the bottom plate 27, and the rotation mode may be a bearing or other parts, and is not limited in particular; the end surface of the support plate 223 facing away from the bottom plate 27 is used to support the hub 29. The positioning jig 224 is located at the end of the first measuring head 221, and can be used for positioning the central hole and extend into the central hole; that is, when the hub 29 is placed on the positioning assembly 22, the positioning jig 224 can function as a matching center hole, thereby ensuring that the hub 29 can be accurately placed on the positioning assembly 22.

It should be noted that, the first measuring head 221 is fixedly disposed on the bottom plate 27 vertically upwards, and meanwhile, in order to ensure that the supporting disc 223 can play a supporting role on the hub 29, an end portion of the first measuring head 221, which is away from the bottom plate 27, exceeds an end face of the supporting disc 223, that is, the first measuring head 221 extends into the central hole, and the hub 29 body at the periphery of the central hole is placed on the supporting disc 223, so that the supporting hub 29 is stably placed.

In addition, as shown in fig. 5, a gear ring 225 is sleeved on the outer periphery of the support plate 223 along the circumferential direction thereof, a first motor 226 is arranged on the bottom plate 27, a first gear 227 meshed with the gear ring 225 is arranged at the power end of the first motor 226, and the first motor 226 drives the support plate 223 to rotate, so that the hub 29 is rotated. Of course, positioning means may be provided on the support plate 223 to increase the stability of the connection between the support plate 223 and the hub 29, so that the hub 29 rotates more stably.

In general, after the hub 29 to be measured is opposite to the center of the positioning jig 224, the conveying assembly 25 places the workpiece to be measured on the product supporting plate 223, the first motor 226 fixed on the bottom plate 27 drives the gear to rotate, the gear meshes with the gear ring 225 to drive the gear ring 225 to rotate, the supporting plate 223 is fixed on the gear ring 225 to rotate along with the gear ring 225, the workpiece to be measured on the supporting plate 223 rotates along with the rotation, the first measuring head 221 contacts with the workpiece to be measured, and the inner diameter size of the hub 29 to be measured can be measured through the first sensor 222.

For the lifting measurement assembly 21, it includes a second sensor 214 that moves along the vertical direction and is used for detecting the inner hole of the hub 29, specifically, as shown in fig. 4 of the specification, the lifting measurement assembly 21 further includes a stand 211, a first rail slider 212, a first connecting plate 213, a screw 215, and a second motor 216, where the stand 211 is mounted on the bottom plate 27, and the stand 211 is used as a main bearing component of the lifting measurement assembly 21, unlike the location of the positioning assembly 22; a first guide rail slide block 212 is vertically arranged on the side wall of the upright post 211, and the first guide rail slide block 212 can drive a first connecting plate 213 to vertically move, and enable the first connecting plate 213 to move towards the positioning assembly 22, so that a second sensor 214 on the first connecting plate 213 corresponds to the inner hole of the hub 29, and the inner diameter of the inner hole is measured.

In addition, a screw rod 215 is further disposed on the upright post 211, the screw rod 215 is disposed parallel to the first guide rail slider 212, and the screw rod 215 penetrates the first connecting plate 213 and forms a nut screw connection with the first connecting plate 213; the upright post 211 is also provided with a second motor 216, a power end of the second motor 216 is connected with a screw rod 215, and the second motor is used for driving the screw rod 215 to rotate, and the screw rod 215 is rotated to drive the first connecting plate 213 to move along the vertical direction, so that the second sensor 214 moves vertically. It should be noted that the number of the first rail blocks 212 may be multiple, so as to improve the movement stability of the connecting plate, which is not limited herein. Meanwhile, the number of the second sensors 214 may be set according to the number of the inner holes of the hub 29, which is not limited in any way, and falls within the scope of the present application.

It should be noted that a limiting block 217 for limiting the movement range of the first connecting plate 213 is further disposed on the upright post 211, so as to prevent the first connecting plate 213 from being excessively moved to strike the bottom plate 27. The first connection plate 213 is provided with a pen sensor 218 moving along with it, the column 211 is provided with a positioning block 219 corresponding to the pen sensor 218 on the side, and both the pen sensor 218 and the positioning block 219 are used for detecting that the first connection plate 213 is slid in place.

In general, the upright post 211 is installed on the bottom plate 27, the first guide rail slide block 212 is installed on the upright post 211, the second motor 216 drives the screw rod 215 to rotate to realize the vertical movement of the second sensor 214, the limiting block 217 is installed on the upright post 211 to play a limiting role, the positioning block 219 is installed on the side edge of the upright post 211, the pen-type sensor 218 moves vertically along with the first connecting plate 213, the pen-type sensor 218 contacts with the positioning block 219 to play a role in positioning and eliminating positioning gaps and errors, the second sensor 214 moves vertically downwards to a detection position after the hub 29 is placed on the positioning assembly 22, and the accuracy is higher.

For the above-mentioned traversing measuring assembly 24, it includes at least two sets of vertically disposed elevation adjusting members 245 and a horizontal adjusting member 246 disposed on the elevation adjusting members 245 and vertically movable therewith in order to improve the measuring accuracy thereof. The leveling component 246 includes a third sensor 2469 moving in the horizontal direction and corresponding to the outer circumference of the hub 29, the third sensor 2469 being configured to detect the outer diameter of the hub 29.

Specifically, as shown in fig. 6, the lateral movement measuring assembly 24 is disposed on the reference bottom plate 28, and further includes a reference plate 241, a second guide rail slider 243, a second connection plate 244, and an air cylinder 242, wherein the reference plate 241 is horizontally disposed on the reference bottom plate 28 as a main bearing member of the lateral movement measuring assembly 24; the second guide rail slider 243 is disposed on the end surface of the reference plate 241, and the second connection plate 244 is slidably connected to the reference plate 241 through the second guide rail slider 243 and is used to drive the second connection plate 244 to move toward the positioning assembly 22. In addition, an air cylinder 242 is further arranged on the reference plate 241, and a power end of the air cylinder 242 is connected with the second connecting plate 244, so that the second connecting plate 244 is driven to move. Of course, it has been pointed out that the plurality of sets of the lift adjustment members 245 may be provided, and thus each set of the lift adjustment members 245 is provided on the second connection plate 244, and the specific fixing manner may be by bolting or the like, which is not limited thereto.

In addition, as shown in fig. 7, any one of the lifting adjustment members 245 includes a first mounting plate 2451, a third guide rail slider 2452, a connecting block, and a first locking block 2455, the first mounting plate 2451 is vertically mounted on a second connecting plate 244, the third guide rail slider 2452 is provided on a side wall of the first mounting plate 2451, and the connecting block is slidably connected with the first mounting plate 2451 through the third guide rail slider 2452; in addition, run through on the connecting block and be provided with the adjusting screw who is used for adjusting its position, adjusting screw and connecting block threaded connection realize the transmission through the mode of nut screw rod. Of course, there are many options for the above-described transmission, including but not limited to the above-described transmission. The connecting block is provided with a first locking block 2455, the first locking block 2455 is provided with a first handle 2456, and the connecting block is fixedly locked on the third guide rail slide block 2452 by screwing the first handle 2456. As for the specific locking manner, various options are available, which will not be described in detail herein, so as to ensure that the connection block can be fixedly locked with the third rail block 2452.

In order to facilitate the arrangement of the plurality of sets of horizontal adjustment members 246, the connection blocks are here arranged as an upper connection block 2453 and a lower connection block 2454, while the adjustment screws are arranged as a long adjustment screw 2458 and a short adjustment screw 2457 in order to facilitate the individual position adjustment of the two connection blocks. Wherein, the short adjusting screw 2457 penetrates through the upper connecting block 2453 and is in threaded connection with the upper connecting block 2453, and the short adjusting screw 2457 is rotated to adjust the position of the upper connecting block 2453; after penetrating through the upper connecting block 2453, the long adjusting screw 2458 is in threaded connection with the lower connecting block 2454, the long adjusting screw 2458 is rotated to be used for adjusting the position of the lower connecting block 2454, and the long adjusting screw 2458 is in sliding connection with the upper connecting block 2453, so that the position of the upper connecting block 2453 is prevented from being influenced by the long adjusting screw 2458. In order to prevent the short adjusting screw 2457 from influencing the movement position of the lower connecting block 2454, a through-hole 2459 for passing through the short adjusting screw 2457 is also provided in the lower connecting block 2454, i.e. the short adjusting screw 2457 can slide in the through-hole 2459, so that the short adjusting screw 2457 is prevented from influencing the position of the lower connecting block 2454.

Further, the leveling components 246 are disposed on the connection blocks, specifically, the multiple sets of leveling components 246 are disposed on the upper connection block 2453 and the lower connection block 2454, as shown in fig. 8, any one set of leveling components 246 further includes a second mounting plate 2461, a fourth rail slider 2462, a T-shaped connection plate 2465, a second locking block 2463, and a third connection plate 2467, the second mounting plate 2461 is horizontally mounted on the upper connection block 2453 or the lower connection block 2454, the side wall of the second mounting plate 2461 is provided with a fourth rail slider 2462, the T-shaped connection plate 2465 is slidably connected with the second mounting plate 2461 through the fourth rail slider 2462, and in order to facilitate the lateral position of the T-shaped connection plate 2465, a lateral adjusting screw 2466 for adjusting the position of the T-shaped connection plate 2465 is disposed through the T-shaped connection plate 2465, and the lateral adjusting screw 2466 is screwed with the T-shaped connection plate 2465, thereby forming a nut screw connection.

Like the first locking block 2455, a second locking block 2463 is further provided on the T-shaped connecting plate 2465, a second handle 2464 is provided on the second locking block 2463, and the second handle 2464 is screwed to fixedly lock the T-shaped connecting plate 2465 on the fourth rail slider 2462, thereby maintaining stability of the horizontal adjustment member 246. Third connecting plate 2467 is located on T-shaped connecting plate 2465 and extends in a direction away from second mounting plate 2461, and the end of third connecting plate 2467 away from second mounting plate 2461 is provided with third sensor 2469.

In addition, the end portion of the third connecting plate 2467, which is far away from the second mounting plate 2461, is provided with a protective bracket 2468, the third sensor 2469 is located in the protective bracket 2468, the measuring end of the third sensor 2469 is provided with a second measuring head 2460, the second measuring head 2460 is arranged facing the hub 29 and is attached to the outer wall of the hub 29, and therefore the outer diameter of the hub 29 is measured. Of course, the longitudinal position of the third sensor 2469 may be adjusted by using a rail-slider manner for the arrangement of the third connecting plate 2467 or the protective bracket 2468, and the specific arrangement may refer to the arrangement of other rail-sliders, which will not be described in detail herein.

In general, as shown in fig. 6, the second connecting plate 244 is mounted on the reference plate 241 through the second guide rail slider 243, the air cylinder 242 drives the second connecting plate 244 to horizontally move, two sets of lifting adjusting members 245 are vertically mounted on the second connecting plate 244, four sets of horizontal adjusting members 246 are horizontally mounted on the lifting adjusting members 245, after the hub 29 is placed on the positioning assembly 22, the air cylinder 242 stretches and contracts to provide driving force, the second slider is driven to move along the guide rail through the stretching air cylinder 242, the second connecting plate 244 is driven to move to the detection position, and the lifting adjusting members 245 and the horizontal adjusting members 246 adjust the positions of the third sensors 2469, so that the outer diameter of the hub 29 is detected.

Further, the upper connecting block 2453 and the lower connecting block 2454 are respectively matched with the short adjusting screw 2457 and the long adjusting screw 2458, the first locking block 2455 is installed on the upper connecting block 2453, the third guide rail slider 2452 is installed on the first mounting plate 2451, the upper connecting block 2453 and the lower connecting block 2454 are installed on the third guide rail slider 2452, the positions of the upper connecting block 2453 and the lower connecting block 2454 can be respectively adjusted by screwing the short adjusting screw 2457 and the long adjusting screw 2458, and the height positions of the upper connecting block 2453, the lower connecting block 2454 and all the components on the lower connecting block 2454 can be independently adjusted, so that the outer diameter of a workpiece can be conveniently measured. After the positions of the upper connecting block 2453 and the lower connecting block 2454 are adjusted, the first locking block 2455 is locked by the first handle 2456, so that the positions of the upper connecting block 2453, the lower connecting block 2454, the short adjusting screw 2457 and the long adjusting screw 2458 are locked, and the hub 29 can be freely adjusted according to different sizes.

Still further, the T-shaped connecting plate 2465 is matched with the transverse adjusting screw 2466, the T-shaped connecting plate 2465 is connected with the second mounting plate 2461 through the fourth guide rail sliding block 2462, the transverse position of the T-shaped connecting plate 2465 can be adjusted through the knob transverse adjusting screw 2466, the second locking block 2463 is mounted on the T-shaped connecting plate 2465, the second locking block 2463 can be locked through the second handle 2464, so that the T-shaped connecting plate 2465 can be locked, the third connecting plate 2467 is mounted on the T-shaped connecting plate 2465, the protection bracket 2468 is mounted on the third connecting plate 2467, the protection bracket 2468 can protect the third sensor 2469, the second measuring head 2460 is mounted on the third sensor 2469, and workpieces with different sizes can be freely adjusted.

For the above-mentioned conveying assembly 25, it is capable of positioning the hub 29 and conveying the hub 29 to the positioning assembly 22, including a first support ring 251 for placing the hub 29, a first positioning pin 252 for positioning the hub 29 is provided on the first support ring 251, the first support ring 251 moves toward the positioning assembly 22, and the hub 29 is placed on the positioning assembly 22. For the first support ring 251 and the second support ring 61, as shown in fig. 9 and 10, both support rings are hollow, so as to prevent the middle of the hub 29 from protruding; meanwhile, when the hub 29 is placed on the positioning assembly 22 through the first support ring 251, the hollow shape of the middle part of the first support ring 251 can also be matched with the positioning assembly 22, so that the middle part of the hub 29 is placed on the support plate 223.

Specifically, the conveying assembly 25 is disposed on the reference bottom plate 28, and further includes a vertical plate 253, an electric cylinder 254, a sixth rail slider 258, a third motor 255, and a rack 257, where the vertical plate 253 is slidably disposed on the reference bottom plate 28, and as a main bearing component of the conveying assembly 25, a fifth rail slider is vertically disposed on a sidewall of the vertical plate 253, and the first support ring 251 is vertically slidably connected with the vertical plate 253 through the fifth rail slider, as shown in fig. 9, and the first support ring 251 may be slidably connected with the fifth rail slider by means of a support member, so as to ensure sliding stability of the first support ring 251. The electric cylinder 254 is positioned on the vertical plate 253 and is used for driving the first support ring 251 to move along the fifth guide rail sliding block; the principle of electrically driving the guide rail slider or the screw rod to drive the first support ring 251 may be adopted, and the specific arrangement mode will not be described in detail herein, and reference may be made to the sliding arrangement mode of the first connecting plate 213.

In addition, the sixth rail slider 258 is disposed on the reference bottom plate 28, the bottom of the vertical plate 253 is slidably connected with the reference bottom plate 28 through the sixth rail slider 258, meanwhile, the third motor 255 is disposed on the vertical plate 253, the power end of the third motor 255 is provided with the second gear 256, and the second gear 256 is meshed with the rack 257 on the reference bottom plate 28, so that the vertical plate 253 horizontally moves toward or away from the positioning assembly 22. That is, the first support ring 251 is capable of horizontal and vertical movement relative to the positioning assembly 22, thereby ensuring that the hub 29 can be precisely moved to the positioning assembly 22 and that the hub 29 is placed on the positioning assembly 22.

In general, the hub 29 to be measured of the marker placement bracket 6 is placed on the first supporting ring 251, the workpiece to be measured is positioned by the first positioning pin 252, the first supporting ring 251 is connected with the vertical plate 253 by the fifth slider guide rail, vertical movement can be realized by the electric cylinder 254, the third motor 255 at the bottom of the vertical plate 253 drives the second gear 256 to rotate, and the second gear 256 is meshed with the rack 257 fixed on the reference bottom plate 28, so that horizontal movement of the vertical plate 253 is realized.

In addition, the above-mentioned electric cylinder 254 and cylinder 242 are not limited in this way, and the two can be interchanged equally, and other driving methods can be adopted, which fall within the scope of the present application.

As shown in fig. 3, the reference bottom plate 28 and the bottom plate 27 are both positioned at different heights, but in order to ensure the accuracy of measurement, both are horizontally disposed, and a vertical connection plate for supporting the bottom plate 27 is provided on the reference bottom plate 28, so that the bottom plate 27 can also be horizontally stably disposed. In addition, the reference bottom plate 28 is provided on the measurement unit base 23, and the measurement unit base 23 is fixedly provided on the base 11 of the frame 1; the reference base plate 28 can be kept in a horizontal state with respect to the base 11 all the time, and the horizontal state of the reference base plate 28 can be maintained by adjusting the height thereof or the like. That is, when the floor surface on which the rack 1 or the measuring unit base 23 is placed is in an inclined state, the measuring accuracy of the measuring machine can be ensured by adjusting the horizontal state of the reference bottom plate 28 so that both the reference bottom plate 28 and the bottom plate 27 are kept horizontally disposed.

In summary, when the measuring machine is used, the hub 29 to be measured on the standard component placing bracket 6 is placed on the conveying component 25 by a mechanical arm or a manual mode, the first positioning pin 252 positions the hole site of the workpiece, the first supporting ring 251 supports the surface of the workpiece, the electric cylinder 254 keeps the extending state, the third motor 255 drives the vertical plate 253 to reach the workpiece measuring position, the electric cylinder 254 contracts to place the workpiece on the supporting plate 223, the positioning jig 224 positions the center of the workpiece, the air cylinder 242 contracts to pull the second connecting plate 244, the lifting adjusting part 245 and the horizontal adjusting part 246 to the workpiece measuring position, the second motor 216 rotates the screw rod 215 to move the first connecting plate 213 and the second sensor 214 to the workpiece measuring position, after all the measuring sensors are in place, the first motor 226 drives the supporting plate 223 to rotate, the workpiece to be measured is stopped rotating after the measurement of the workpiece is finished, the measured data is displayed on the industrial grade flat plate, the measured data is stored and uploaded by the industrial grade flat plate, the second sensor 214 is lifted to the initial position, the air cylinder 242 extends to push the second connecting plate 244, the lifting adjusting part 245 and the horizontal adjusting part 246 to the workpiece measuring position, the first motor 216 pushes the first connecting plate 244 and the horizontal adjusting part 246 to the initial position, the first supporting ring 255 moves to the initial position, and the first lifting part 255 moves to the initial position to the lifting adjusting part 29 to the initial position.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.

Claims (14)

1. A wheel hub integrated dimension measuring machine comprising a measuring unit (2) for measuring parameters of a wheel hub (29), characterized in that the measuring unit (2) comprises:

the positioning assembly (22) is used for positioning the center of the hub (29) and driving the hub (29) to rotate, and comprises a first measuring head (221) penetrating through a center hole of the hub (29) and a first sensor (222) embedded in the first measuring head (221) and used for detecting the inner diameter of the center hole;

A lifting measurement assembly (21) comprising a second sensor (214) moving in a vertical direction and for detecting an inner hole of the hub (29);

the transverse movement measuring assembly (24) comprises at least two groups of vertically arranged lifting adjusting components (245) and a horizontal adjusting component (246) which is arranged on the lifting adjusting components (245) and moves vertically along with the lifting adjusting components, the horizontal adjusting component (246) comprises a third sensor (2469) which moves along the horizontal direction and corresponds to the periphery of the hub (29), and the third sensor (2469) is used for detecting the outer diameter of the hub (29);

-a transport assembly (25) for positioning the hub (29) and transporting the hub (29) onto the positioning assembly (22), comprising a first support ring (251) for placing the hub (29), the first support ring (251) being provided with a first positioning pin (252) for limiting the hub (29), the first support ring (251) being moved towards the positioning assembly (22) and placing the hub (29) on the positioning assembly (22).

2. The wheel hub integrated dimension measuring machine of claim 1, wherein the positioning assembly (22) is mounted to a base plate (27), further comprising:

the support disc (223) is sleeved on the periphery of the first measuring head (221) and is rotatably arranged on the bottom plate (27), and the end face of the support disc (223) deviating from the bottom plate (27) is used for supporting the hub (29);

The positioning jig (224) is positioned at the end part of the first measuring head (221) and is used for positioning the central hole and extending into the central hole;

the first measuring head (221) is vertically and upwards fixedly arranged on the bottom plate (27), and the end part of the first measuring head (221) deviating from the bottom plate (27) exceeds the end surface of the supporting disc (223).

3. The hub integrated size measuring machine according to claim 2, wherein a gear ring (225) is sleeved on the periphery of the supporting disc (223), a first motor (226) is arranged on the bottom plate (27), and a first gear (227) meshed with the gear ring (225) is arranged at the power end of the first motor (226).

4. A wheel hub integrated dimension measuring machine according to claim 2 or 3, characterized in that the lifting measuring assembly (21) further comprises:

a column (211) vertically mounted on the base plate (27) as a bearing member of the elevation measurement assembly (21);

the first guide rail sliding block (212) is vertically arranged on the side wall of the upright post (211);

the first connecting plate (213) is in sliding connection with the upright post (211) through the first guide rail sliding block (212), and the second sensor (214) is arranged on the first connecting plate (213);

the screw rod (215) is parallel to the first guide rail sliding block (212) and is arranged on the side wall of the upright post (211), the screw rod (215) penetrates through the first connecting plate (213) and is connected with the first connecting plate (213) through a nut screw rod, and the screw rod (215) is rotated to drive the first connecting plate (213) to move along the vertical direction;

And the second motor (216) is arranged on the upright post (211), and the power end of the second motor is connected with the screw rod (215) and is used for driving the screw rod (215) to rotate.

5. The hub integrated size measuring machine according to claim 4, wherein a limiting block (217) for limiting the movement range of the first connecting plate (213) is arranged on the upright (211), a pen-type sensor (218) moving along with the first connecting plate (213) is arranged on the side edge of the first connecting plate (213), a positioning block (219) corresponding to the pen-type sensor (218) is arranged on the side edge of the upright (211), and the pen-type sensor (218) and the positioning block (219) are used for detecting that the first connecting plate (213) slides in place.

6. The wheel hub integrated dimension measuring machine of claim 4, wherein the traverse measurement assembly (24) is disposed on a reference floor (28), further comprising:

a reference plate (241) horizontally disposed on the reference base plate (28) as a carrying member of the traverse measuring assembly (24);

a second rail slider (243) provided on the end surface of the reference plate (241);

the second connecting plate (244) is in sliding connection with the reference plate (241) through the second guide rail sliding block (243) and is used for driving the second connecting plate (244) to move towards the positioning assembly (22);

The air cylinder (242) is positioned on the reference plate (241), and the power end of the air cylinder is connected with the second connecting plate (244) to drive the second connecting plate (244) to move;

wherein each set of the elevation adjustment members (245) is provided on the second connection plate (244).

7. The wheel hub integrated dimension measuring machine of claim 6, wherein any one of the sets of lift adjustment members (245) comprises:

a first mounting plate (2451) vertically mounted on the second connection plate (244);

a third guide rail slider (2452) vertically disposed on the first mounting plate (2451);

the connecting block is in sliding connection with the first mounting plate (2451) through the third guide rail sliding block (2452), an adjusting screw rod used for adjusting the position of the connecting block is arranged on the connecting block in a penetrating mode, and the adjusting screw rod is in threaded connection with the connecting block;

the first locking block (2455) is arranged on the connecting block, a first handle (2456) is arranged on the first locking block (2455), and the first handle (2456) is screwed to fix and lock the connecting block on the third guide rail sliding block (2452).

8. The wheel hub integrated dimension measuring machine of claim 7, wherein the connection blocks include an upper connection block (2453) and a lower connection block (2454), the adjustment screw including a long adjustment screw (2458) and a short adjustment screw (2457);

The short adjusting screw (2457) penetrates through the upper connecting block (2453) and is in threaded connection with the upper connecting block (2453), and the short adjusting screw (2457) is rotated to adjust the position of the upper connecting block (2453);

the long adjusting screw (2458) penetrates through the upper connecting block (2453) and is in threaded connection with the lower connecting block (2454), and the long adjusting screw (2458) is rotated to be used for adjusting the position of the lower connecting block (2454);

wherein, the lower connecting block (2454) is also provided with a through hole (2459) for passing through the short adjusting screw (2457).

9. The wheel hub integrated dimension measuring machine of claim 8, wherein the leveling component (246) is disposed on and moves with the connection block, the leveling component (246) further comprising:

a second mounting plate (2461) horizontally mounted on the connection block;

a fourth guide rail slider (2462) horizontally arranged on the second mounting plate (2461);

the T-shaped connecting plate (2465) is in sliding connection with the second mounting plate (2461) through the fourth guide rail sliding block (2462), a transverse adjusting screw (2466) for adjusting the position of the T-shaped connecting plate is arranged on the T-shaped connecting plate (2465) in a penetrating mode, and the transverse adjusting screw (2466) is in threaded connection with the T-shaped connecting plate (2465);

The second locking block (2463) is arranged on the T-shaped connecting plate (2465), a second handle (2464) is arranged on the second locking block (2463), and the second handle (2464) is screwed to fixedly lock the T-shaped connecting plate (2465) on the fourth guide rail sliding block (2462);

and a third connecting plate (2467) which is positioned on the T-shaped connecting plate (2465) and extends along the direction away from the second mounting plate (2461), wherein the end part of the third connecting plate (2467) away from the second mounting plate (2461) is provided with the third sensor (2469).

10. The hub integrated size measuring machine according to claim 9, wherein a protective bracket (2468) is arranged at the end part of the third connecting plate (2467) away from the second mounting plate (2461), the third sensor (2469) is located in the protective bracket (2468), a second measuring head (2460) is arranged at the measuring end of the third sensor (2469), and the second measuring head (2460) is arranged facing the hub (29) and is attached to the outer wall of the hub (29).

11. The wheel hub integrated dimension measuring machine of any of claims 6-10, wherein the transport assembly (25) is disposed on the datum plate (28), further comprising:

The vertical plate (253) is arranged on the reference bottom plate (28) in a sliding manner and serves as a bearing component of the conveying assembly (25), a fifth guide rail sliding block is vertically arranged on the side wall of the vertical plate (253), and the first supporting ring (251) is vertically and slidably connected with the vertical plate (253) through the fifth guide rail sliding block;

the electric cylinder (254) is vertically arranged on the vertical plate (253) and is used for driving the first support ring (251) to move along the fifth guide rail sliding block;

the sixth guide rail sliding block (258) is arranged on the reference bottom plate (28), and the bottom of the vertical plate (253) is in sliding connection with the reference bottom plate (28) through the sixth guide rail sliding block (258);

a third motor (255) arranged on the vertical plate (253), and a second gear (256) is arranged at the power end of the third motor;

a rack (257) provided on the reference base plate (28) and meshed with the second gear (256);

wherein, the second gear (256) and the rack (257) which are matched with each other are used for driving the vertical plate (253) to horizontally move towards or away from the positioning component (22).

12. The hub integrated size measuring machine according to claim 11, wherein the reference bottom plate (28) and the bottom plate (27) are horizontally arranged, a vertical connecting plate for supporting the bottom plate (27) is arranged on the reference bottom plate (28), the reference bottom plate (28) is arranged on the measuring unit base (23), and the measuring unit base (23) is fixedly arranged with the base (11) of the frame (1).

13. The wheel hub integrated dimension measuring machine of claim 12, further comprising a marker placement bracket (6) within the frame (1), the marker placement bracket (6) for placing the wheel hub (29) to be measured, the marker placement bracket (6) comprising:

the bracket (63) is vertically arranged on the base (11);

a stay (64) provided at an end of the bracket (63);

-a second support ring (61) arranged on said support post (64) for supporting said hub (29) to be measured;

and the second locating pin (62) is positioned on the second supporting ring (61) and used for limiting the hub (29).

14. The wheel hub integrated dimension measuring machine according to claim 13, further comprising a display unit (3) for displaying various measurement data and a control unit (4) for controlling each electrical element.