High-precision hub center hole diameter detection table

Abstract

The utility model relates to a high-precision hub center hole diameter detection table, and belongs to the technical field of automobile hub manufacturing dies, the high-precision hub center hole diameter detection table comprises a hub, a centering device and a detection device, the centering device comprises a pair of rolling type supporting rods used for placing the hub and a connecting rod assembly used for clamping and fixing the hub, the detection device comprises a pair of detection rods, a lifting assembly for vertical movement of the pair of detection rods and a horizontal movement assembly for relative horizontal movement. The hub center hole diameter detection device has the advantage that the problem that the center hole is prone to deviation when the diameter of the hub center hole is detected can be solved.

Description

Technical Field

[0001] The present application relates to the technical field of automobile wheel hub manufacturing molds, and in particular to a high-precision wheel hub center hole diameter detection platform. Background Art

[0002] The automobile industry is an important industry in today's society. With its long industrial chain, wide employment and high consumption, the automobile industry plays an important role in social development. With the increase in the number of cars, people are paying more and more attention to the safety of cars. The automobile wheel hub is one of the main load-bearing components of the vehicle, and its dimensional accuracy directly affects the driving safety of the car. Therefore, the research on the automobile wheel hub shape and position tolerance size detection device is very important.

[0003] In the related technology, for example, Chinese utility model patent with publication number CN207163399U discloses a vehicle wheel hub roundness detection device, including a workbench, a wheel hub assembly and a marking mechanism. The wheel hub assembly is installed in the center of the workbench surface to clamp the wheel hub and drive the wheel hub to rotate regularly. More specifically, the wheel hub assembly adopts a pneumatic three-jaw chuck as a clamping device, and uses an inner support claw to clamp the inner ring of the wheel hub, thereby achieving the purpose of clamping the wheel hub.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: the above-mentioned wheel hub assembly adopts a pneumatic three-jaw chuck as a clamping device. Due to the structural characteristics of the three-jaw chuck, the wheel hub may be in a tilted state when placed on the three-jaw chuck, resulting in the center hole offset when detecting the diameter of the center hole of the wheel hub. Utility Model Content

[0005] In order to solve the problem that the center hole is easily offset when detecting the center hole diameter of the wheel hub, the present application provides a high-precision wheel hub center hole diameter detection platform.

[0006] The present application provides a high-precision wheel hub center hole diameter detection platform, which adopts the following technical solutions:

[0007] A high-precision wheel hub center hole diameter detection platform comprises a wheel hub, a centering device and a detection device, wherein the centering device comprises a pair of rolling support rods for placing the wheel hub and a connecting rod assembly for clamping and fixing the wheel hub, and the detection device comprises a pair of detection rods, a lifting assembly for vertical movement of the pair of detection rods, and a horizontal moving assembly for relative horizontal movement.

[0008] By adopting the above technical solution, the wheel hub is placed on a pair of rolling support rods. The roller-type support rods are convenient for adjusting the position of the wheel hub, and the wheel hub is clamped and fixed by the connecting rod assembly, which is beneficial to the synchronization rate of the wheel hub clamping, so that the wheel hub can be located at the center position of the centering device, and the center hole is not easily offset. A pair of detection rods are provided with a lifting assembly that moves vertically and a horizontal moving assembly that moves relatively horizontally. When it is necessary to detect the diameter of the center hole of the wheel hub, it is only necessary to start the lifting assembly and the horizontal moving assembly in sequence for detection. Through the cooperation of the centering device and the detection device, the detection platform can detect the diameter of the center hole of the wheel hub more accurately.

[0009] Optionally, the connecting rod assembly includes a connecting rod body, first connecting blocks respectively provided at two ends of the connecting rod body, and a clamping rod connected to the first connecting block, wherein the clamping rod is provided with a V-shaped wheel.

[0010] By adopting the above technical solution, a first connecting block is respectively provided at both ends of the connecting rod body, a clamping rod is provided on the first connecting block, and a V-shaped wheel is provided on the clamping rod, which is conducive to the synchronous movement of the clamping rod. When the wheel hub needs to be clamped, the clamping rod moves synchronously, so that the V-shaped wheel on the clamping rod can move the wheel hub to the center position of the centering device, thereby improving the accuracy of the wheel hub positioning.

[0011] Optionally, the horizontal movement assembly includes a bidirectional screw, a first horizontal guide rail, and a pair of first sliding blocks respectively connected to a pair of detection rods, and the pair of first sliding blocks are respectively located on two sides of the bidirectional screw.

[0012] By adopting the above-mentioned technical scheme, the first horizontal guide rail of the horizontal moving component is slidably connected with a pair of first sliders respectively arranged on a pair of detection rods, and the pair of first sliders are respectively located on both sides of the bidirectional screw, so that the pair of detection rods can move horizontally under the action of the first horizontal guide rail and the pair of first sliders, and the setting of the bidirectional screw can enable the pair of detection rods to move horizontally relative to each other.

[0013] Optionally, a fixing plate is provided between the pair of the first sliding blocks and the pair of the detection rods, and a micro cylinder for horizontally moving the detection rods is provided at one end of the fixing plate facing the detection rods.

[0014] By adopting the above technical solution, a fixed plate is arranged between a pair of first sliders and a pair of detection rods, and a micro cylinder for horizontal movement of the detection rods is arranged at one end of the fixed plate facing the detection rods. Under the action of the micro cylinder, the pair of detection rods can more accurately measure the diameter of the center hole of the wheel hub.

[0015] Optionally, one end of the fixing plate on which the micro cylinder is provided is provided with a second horizontal guide rail, and the detection rod is provided with a second sliding block slidably connected to the second horizontal guide rail.

[0016] By adopting the above technical solution, a second horizontal guide rail is provided at one end of the fixed plate with the micro cylinder, and a second slider slidably connected to the second horizontal guide rail is provided on the detection rod, so that a pair of detection rods can slide on the fixed plate under the action of the second horizontal guide rail and the second slider.

[0017] Optionally, the detection rod is provided with a second connecting block, and the second connecting block is used to be connected to the micro cylinder.

[0018] By adopting the above technical solution, a second connecting block is provided on the detection rod, and the second connecting block is used to connect with the micro cylinder, which is conducive to the micro cylinder driving the detection rod to move through the connecting rod.

[0019] Optionally, a detection head is provided at one end of the detection rod for detecting the diameter of the center hole of the hub.

[0020] By adopting the above technical solution, a detection head is provided at one end of the detection rod for detecting the diameter of the center hole of the wheel hub, which is conducive to accurate detection of the diameter of the center hole of the wheel hub through the detection head.

[0021] Optionally, the detection rod is provided with a grating ruler.

[0022] By adopting the above technical solution, a grating ruler is arranged at the detection rod, which is convenient for the operator to read the information.

[0023] Optionally, the lifting assembly includes a vertical guide rail and a third sliding block connected to the first horizontal guide rail.

[0024] By adopting the above technical solution, the vertical guide rail and the third sliding block arranged on the first horizontal guide rail are slid in cooperation with each other, so that the detection rod can be lifted and lowered vertically.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] The wheel hub is placed on a pair of rolling support rods. The roller-type support rods are convenient for adjusting the position of the wheel hub, and the wheel hub is clamped and fixed by a connecting rod assembly, which is beneficial to the synchronization rate of the wheel hub clamping, so that the wheel hub can be located at the center position of the centering device, and the center hole is not easily offset. A pair of detection rods are provided with a lifting assembly that moves vertically and a horizontal moving assembly that moves relatively horizontally. When it is necessary to detect the diameter of the center hole of the wheel hub, it is only necessary to start the lifting assembly and the horizontal moving assembly in sequence. Through the cooperation of the centering device and the detection device, the detection platform can detect the diameter of the center hole of the wheel hub more accurately.

[0027] A first connecting block is respectively provided at both ends of the connecting rod body, a clamping rod is provided on the first connecting block, and a V-shaped wheel is provided on the clamping rod, which is conducive to the synchronous movement of the clamping rod. When the wheel hub needs to be clamped, the clamping rod moves synchronously, so that the V-shaped wheel on the clamping rod can move the wheel hub to the center position of the centering device, thereby improving the accuracy of the wheel hub positioning;

[0028] The first horizontal guide rail of the horizontal moving assembly is slidably connected to a pair of first sliders respectively arranged on a pair of detection rods, and the pair of first sliders are respectively located on both sides of the bidirectional screw, so that the pair of detection rods can move horizontally under the action of the first horizontal guide rail and the pair of first sliders, and the setting of the bidirectional screw can enable the pair of detection rods to move horizontally relative to each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural diagram of the overall structure in the embodiment of the present application.

[0030] Figure 2 It is a structural schematic diagram of the centering device and the base in the embodiment of the present application.

[0031] Figure 3 It is a schematic diagram of the structure of the connecting rod assembly in an embodiment of the present application.

[0032] Figure 4 It is a schematic diagram of the structure of the detection device in the embodiment of the present application.

[0033] Figure 5 It is a schematic diagram of the structure of the horizontal moving component in an embodiment of the present application.

[0034] Figure 6 yes Figure 4 Schematic diagram of the structure of part A in the middle.

[0035] Figure 7 yes Figure 4 Schematic diagram of the structure of part B.

[0036] Description of reference numerals: 1. wheel hub; 2. centering device; 21. support rod; 211. first fixing block; 22. connecting rod assembly; 221. connecting rod body; 222. first connecting block; 23. clamping rod; 231. second fixing block; 232. V-shaped wheel; 2321. first V-shaped wheel; 2322. second V-shaped wheel; 3. detection device; 31. detection rod; 311. second connecting block; 312. detection head; 32. lifting assembly ; 321, vertical guide rail; 322, third slider; 33, horizontal moving assembly; 331, first horizontal guide rail; 332, first slider; 333, bidirectional screw; 334, fixing plate; 3341, second horizontal guide rail; 3342, second slider; 3343, micro cylinder; 34, grating ruler; 4, base; 41, bracket; 411, connecting plate; 42, third horizontal guide rail; 43, fourth slider; 44, protective cover. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-7 This application is described in further detail.

[0038] The present application embodiment discloses a high-precision wheel hub center hole diameter detection platform. Figure 1 A high-precision wheel hub center hole diameter detection platform includes a wheel hub 1, a centering device 2 and a detection device 3. The wheel hub 1 is placed on the centering device 2. The end of the centering device 2 on which the wheel hub 1 is placed is set as the upper end of the centering device 2. A base 4 is provided at the lower end of the centering device 2. A bracket 41 is integrally formed at the rear end of the base 4. The detection device 3 is provided at the upper end of the bracket 41, so that the detection device 3 is located directly above the centering device 2.

[0039] Reference Figure 2 and Figure 3 The centering device 2 includes a pair of rolling support rods 21 and a connecting rod assembly 22. The pair of support rods 21 are vertically and parallelly arranged above the base 4. First fixing blocks 211 are provided at both ends of the support rods 21. The first fixing blocks 211 are fixed to the base 4 by bolts, that is, the support rod 21 is fixed to the base 4 by the first fixing blocks 211. The wheel hub 1 is placed on the pair of support rods 21. The connecting rod assembly 22 includes a laterally arranged connecting rod body 221. The connecting rod body 221 is located below the pair of support rods 21. The left and right ends of the connecting rod body 221 are rotatably connected with the first connecting block 222, and a clamping rod 23 is provided on the first connecting block 222.

[0040] Reference Figure 3In the present embodiment, in order for the clamping rod 23 to be able to firmly clamp the wheel hub 1, clamping rods 23 are provided at the front and rear parts of the upper end of the first connecting block 222, and a second fixing block 231 is provided at the bottom end of the clamping rod 23. The clamping rod 23 is fixedly connected to the first connecting block 222 by bolts through the second fixing block 231, so that the support rods 21 arranged on the left and right sides of the connecting rod body 221 can synchronously clamp the wheel hub 1 under the action of the connecting rod body 221, and a V-shaped wheel 232 is sleeved on the top end of the clamping rod 23. The V-shaped wheel 232 includes a first V-shaped wheel 2321 and a second V-shaped wheel 2322. The first V-shaped wheel 2321 and the second V-shaped wheel 2322 are overlapped, which is conducive to clamping different wheel hubs 1 by the first V-shaped wheel 2321 and the second V-shaped wheel 2322.

[0041] Reference Figure 2 and Figure 3 In order to enable the clamping rod 23 to slide more smoothly under the action of the connecting rod assembly 22, a third horizontal guide rail 42 is fixed to the upper end of the base 4 by bolts, and a fourth slider 43 is provided on the third horizontal guide rail 42. The fourth slider 43 is fixedly connected to the first connecting block 222 by bolts. In order to improve the stability of the support rod 21 when sliding, one first connecting block 222 is respectively connected to two fourth sliders 43, so one first connecting block 222 corresponds to two third horizontal guide rails 42 arranged in parallel laterally. In order to protect the centering device 2, a protective cover 44 for shielding the centering device 2 is fixed to the base 4 by bolts.

[0042] Reference Figure 4 The detection device 3 includes a pair of detection rods 31, a lifting assembly 32, a horizontal moving assembly 33 and a grating ruler 34. The lifting assembly 32 includes a vertical guide rail 321 and a third slider 322. The third slider 322 slides on the vertical guide rail 321. A connecting plate 411 is fixed to the upper end of the bracket 41 by bolts. The vertical guide rail 321 is connected to the center position of the connecting plate 411 by bolts, that is, the vertical guide rail 321 is fixed to the center position of the bracket 41, and the third slider 322 is connected to the horizontal moving assembly 33 by bolts.

[0043] Reference Figure 4 and Figure 5The horizontal moving assembly 33 includes a first horizontal guide rail 331, a pair of first sliders 332 and a bidirectional screw 333. The first horizontal guide rail 331 is connected to the third slider 322 by bolts. The pair of first sliders 332 slide on the first horizontal guide rail 331. The bidirectional screw 333 is arranged in the first horizontal guide rail 331, and the pair of first sliders 332 are penetrated on the left and right sides of the bidirectional screw 333, so that the first slider 332 can slide relatively under the action of the bidirectional screw 333. The front ends of the pair of first sliders 332 are fixedly connected with fixing plates 334 by bolts. The fixing plates 334 are located in front of the first horizontal guide rail 331, and the fixing plates 334 are connected to the detection rod 31.

[0044] Reference Figure 5 , Figure 6 and Figure 7 The front ends of the pair of fixing plates 334 are connected to a pair of second horizontal guide rails 3341 arranged in parallel in a transverse direction by bolts, and the rear ends of the pair of detection rods 31 are provided with second sliders 3342 which slide in cooperation with the second horizontal guide rails 3341. The fixing plates 334 are located between the pair of second horizontal guide rails 3341 arranged in parallel in a transverse direction and a micro cylinder 3343 is fixed by bolts. In order to connect the micro cylinder 3343 with the detection rod 31, a second connecting block 311 is penetrated at the corresponding position of the detection rod 31, and the second connecting block 311 passes through the detection rod 31. A connecting hole is provided at one end, and the piston rod of the micro cylinder 3343 is clamped with the edge of the connecting hole by bolts, so that the micro cylinder 3343 can drive the detection rod 31 to move through the second connecting block 311, and a pair of detection rods 31 are welded with detection heads 312 on the left outer side and the right outer side near the bottom end, and the rear end of the detection rod 31 is fixedly connected to the grating ruler 34 by bolts. The grating ruler 34 is located below the first horizontal guide rail 331. Through the cooperation of the detection head 312 and the grating ruler 34, the operator can obtain information on the diameter of the center hole of the hub 1.

[0045] The implementation principle of a high-precision wheel hub center hole diameter detection platform in the embodiment of the present application is as follows: the wheel hub 1 is placed on a pair of rolling support rods 21 by means of a gripper, and the clamping rods 23 on the left and right sides are moved so that the V-shaped wheel 232 synchronously clamps the wheel hub 1, thereby positioning the wheel hub 1 at the center position of the centering device 2, and starting the detection device 3, firstly driving the detection rod 31 to move downward by means of the lifting assembly 32, and when the detection rod 31 moves to the center hole of the wheel hub 1, the bidirectional screw 333 drives a pair of detection rods 31 to slide synchronously to the left and right sides respectively, and the detection rod 31 can be assisted in moving by means of a micro cylinder 3343, so that the detection rod 31 can accurately detect the center hole diameter of the wheel hub 1.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-precision wheel hub center hole diameter detection platform, characterized by: The invention comprises a wheel hub (1), a centering device (2) and a detection device (3), wherein the centering device (2) comprises a pair of rolling support rods (21) for placing the wheel hub (1) and a connecting rod assembly (22) for clamping and fixing the wheel hub (1), and the detection device (3) comprises a pair of detection rods (31), a lifting assembly (32) for vertically moving the pair of detection rods (31), and a horizontal moving assembly (33) for relatively horizontal movement.

2. A high-precision hub center hole diameter detection platform according to claim 1, characterized in that: The connecting rod assembly (22) comprises a connecting rod body (221), first connecting blocks (222) respectively arranged at two ends of the connecting rod body (221), and a clamping rod (23) connected to the first connecting block (222), wherein the clamping rod (23) is provided with a V-shaped wheel (232).

3. A high-precision hub center hole diameter detection platform according to claim 1, characterized in that: The horizontal moving assembly (33) comprises a bidirectional screw (333), a first horizontal guide rail (331), and a pair of first sliding blocks (332) respectively connected to a pair of detection rods (31); the pair of first sliding blocks (332) are respectively located on two sides of the bidirectional screw (333).

4. A high-precision hub center hole diameter detection platform according to claim 3, characterized in that: A fixing plate (334) is provided between the pair of first sliding blocks (332) and the pair of detection rods (31), and a micro cylinder (3343) for horizontal movement of the detection rods (31) is provided at one end of the fixing plate (334) facing the detection rods (31).

5. A high-precision hub center hole diameter detection platform according to claim 4, characterized in that: The fixing plate (334) is provided with a second horizontal guide rail (3341) at one end of the micro cylinder (3343), and the detection rod (31) is provided with a second sliding block (3342) slidably connected to the second horizontal guide rail (3341).

6. A high-precision hub center hole diameter detection platform according to claim 5, characterized in that: The detection rod (31) is provided with a second connection block (311), and the second connection block (311) is used to be connected to the micro cylinder (3343).

7. A high-precision hub center hole diameter detection platform according to claim 6, characterized in that: A detection head (312) is provided at one end of the detection rod (31) for detecting the diameter of the center hole of the hub (1).

8. A high-precision hub center hole diameter detection platform according to claim 7, characterized in that: The detection rod (31) is provided with a grating ruler (34).

9. A high-precision hub center hole diameter detection platform according to claim 8, characterized in that: The lifting assembly (32) comprises a vertical guide rail (321) and a third sliding block (322) connected to the first horizontal guide rail (331).

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