Automatic axial detection tool for outer ring of automobile hub bearing

Abstract

The utility model discloses an automatic axial detection tool for an outer ring of an automobile hub bearing, which relates to the technical field of automobile part production and comprises a base, a control panel is arranged at one corner of the upper surface of the base, and a controller is arranged on the control panel. The limiting piece is arranged in the middle of the upper surface of the base; and the number of the detection pieces is two, and the two detection pieces are respectively arranged at the two ends of the upper surface of the base. According to the automatic axial detection tool for the outer ring of the automobile hub bearing, the automobile hub bearing can be clamped and fixed, the detection piece is arranged to detect the flatness of the outer ring of the bearing, the placing disc is driven to rotate through the driving motor, the detection wheel rotates on the outer ring of the bearing, and the detection accuracy is improved. The flatness of the bearing outer ring is judged by monitoring the pressure change in real time through the second pressure sensor, the quality of the bearing outer ring is evaluated more comprehensively, and diversified detection requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile part production, specifically to the automatic axial detection tool for automobile hub bearing outer ring. BACKGROUND

[0002] At present, with the higher and higher product performance and quality requirement of national automobile parts, the detection requirement of outer ring parts in the automobile hub bearing assembly production process is also increasingly strict. If the detection stability and detection precision of outer ring parts are not high, the product qualified rate will be low, and a large number of products will be scrapped, causing the enterprise to suffer a large amount of economic losses.

[0003] The utility model discloses an automobile hub bearing outer ring axial measurement device, installs the locating seat on the upper end of the support frame, is equipped with the measurement sleeve in the locating seat, the top of the measurement sleeve is equipped with the displacement measuring instrument, the contact of the displacement measuring instrument is vertically downward, and is in contact with the top surface of the measuring rod, the lower end of the measurement sleeve is fixed with the upper assembly fixed seat, the upper assembly fixed seat is suspended and is installed below the locating seat, is equipped with the spring between the upper assembly fixed seat and the locating seat, the bottom of the upper assembly fixed seat is installed the upper inner ring pressing block, the upper inner ring pressing block is equipped with the upper retainer, a plurality of upper measurement steel balls that are evenly distributed in a circle are arranged on the upper retainer, the upper ejection block is arranged above the upper retainer, the upper ejection block is supported by the upper measurement steel ball, and the measuring head is arranged in the upper assembly fixed seat.

[0004] As shown in the above utility model, the existing automobile hub bearing outer ring axial measurement device can realize the axial comprehensive size detection of the two channels of the automobile hub bearing outer ring, has the automatic correction function, and the detection result is accurate. However, the existing automobile hub bearing outer ring axial measurement device mainly focuses on the axial comprehensive size detection of the two channels of the automobile hub bearing outer ring, although it has the automatic correction function and the detection result is accurate, but other important detection items such as the flatness detection of the bearing outer ring are not mentioned, the quality of the bearing outer ring cannot be comprehensively evaluated, and the diversified detection demand cannot be met. Moreover, the existing device does not describe the clamping mode of the bearing in detail, only mentions that the upper inner ring pressing block, the upper retainer and the upper measurement steel ball are used for positioning during detection, and the stable clamping of the bearing during detection cannot be guaranteed. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides an automatic axial detection tool for automobile hub bearing outer ring, which solves the above problems.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: the automatic axial detection tool for automobile hub bearing outer ring comprises:

[0007] The upper surface of the base is provided with a control panel at a corner, and the control panel is provided with a controller.

[0008] The upper surface of the base is provided with a control panel at a corner, and the control panel is provided with a controller.

[0009] The upper surface of the base is provided with a control panel at a corner, and the control panel is provided with a controller.

[0010] Preferably, the driving mechanism on the base is a driving motor, and the upper surface of the base is provided with a plurality of parallel dovetail sliding grooves at both ends, and a damping layer is arranged between the two dovetail sliding grooves.

[0011] Preferably, the limiting piece includes a placing disc arranged on the upper surface of the base, the lower surface of the placing disc is connected with the output shaft of the driving motor, the upper surface of the placing disc is provided with a plurality of limiting sliding grooves arranged in a ring array at the edge, a plurality of telescopic air cylinders arranged in a ring array are fixed on the upper surface of the placing disc, a clamping plate is fixed on the output shaft of the telescopic air cylinder, and the bottom of the clamping plate is connected with the limiting sliding groove through a limiting sliding block, so as to drive the clamping plate to move linearly.

[0012] Preferably, one side of the clamping plate is bonded with a rubber block, the other side of the clamping plate is bonded with a first pressure sensor, and the probe of the first pressure sensor is arranged in the rubber block.

[0013] Preferably, the detection piece includes a movable plate arranged at both ends of the upper surface of the base, two dovetail sliding blocks are fixed on the lower surface of the movable plate, the dovetail sliding blocks are arranged in the dovetail sliding groove, a screw groove is arranged in the middle of the lower surface of the movable plate, a screw knob is connected with the screw groove through internal and external threads, the bottom of the screw knob corresponds to the damping layer, and the movable plate is limited.

[0014] Preferably, one side of the clamping plate is bonded with a rubber block, the other side of the clamping plate is bonded with a first pressure sensor, and the probe of the first pressure sensor is arranged in the rubber block.

[0015] Beneficial effects

[0016] The utility model provides an automatic axial detection tool for automobile wheel hub bearing outer ring. Compared with prior art, the following beneficial effects are achieved.

[0017] 1, this automatic axial detection tool for automobile wheel hub bearing outer ring, not only can hold and fix automobile wheel hub bearing, still sets up detection piece and detects the flatness of bearing outer ring, drives the placement disc rotation through drive motor, detection wheel rotates on bearing outer ring, judges the flatness of bearing outer ring by using second pressure sensor real -time monitoring pressure change, realizes more comprehensive evaluation to bearing outer ring quality, satisfies the diversified detection demand.

[0018] 2, this automatic axial detection tool for automobile wheel hub bearing outer ring, drives the clamping plate movement through a plurality of synchronous telescopic air cylinders, and the limiting slide block on the clamping plate bottom cooperates with the limiting slide slot on the placement disc, guarantees the linear movement and stable clamping of clamping plate, simultaneously, the rubber block of clamping plate side improves the friction force with bearing inner ring, avoids rigid contact, prevents bearing inner ring from being damaged, and first pressure sensor real -time monitoring clamping strength, ensures that clamping strength is appropriate, guarantees the stability of bearing in the detection process, and protects the quality of bearing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic view of the utility model;

[0020] Figure 2 It is base structure schematic view of the utility model;

[0021] Figure 3 It is limiting piece structure schematic view of the utility model;

[0022] Figure 4 It is detection piece structure explosion schematic view of the utility model.

[0023] In the drawing: base 1, control panel 11, drive motor 12, dovetail slide groove 13, damping layer 14, limiting piece 2, placement disc 21, limiting slide slot 22, telescopic air cylinder 23, clamping plate 24, rubber block 25, first pressure sensor 26, detection piece 3, movable plate 31, dovetail slide block 32, screw groove 33, screw knob 34, fixed sleeve 35, reinforcing plate 36, movable plate 37, spring 38, second pressure sensor 39, detection wheel 310. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides two technical schemes:

[0026] The first embodiment: the automatic axial detection tool for the automobile wheel hub bearing outer ring, including base 1, limiting piece 2 and detection piece 3, the upper surface of base 1 one corner is provided with control panel 11, be provided with controller on control panel 11, the controller is PLC controller, the lower surface middle part of base 1 is installed with drive mechanism, the drive mechanism on base 1 is drive motor 12, drive motor 12 is electrically connected with the controller, the upper surface both ends of base 1 are provided with multiple parallel distribution dovetail slide groove 13, be provided with damping layer 14 between two dovetail slide groove 13.

[0027] Specifically, limiting piece 2 is arranged on the upper surface of base 1 middle part, and limiting piece 2 is connected with the drive mechanism on base 1, for clamping automobile wheel hub bearing, limiting piece 2 includes the placement disc 21 arranged on the upper surface middle part of base 1, the lower surface middle part of placement disc 21 is connected with the output shaft of drive motor 12, the upper surface edge of placement disc 21 is provided with multiple ring array distribution limiting slide groove 22, the upper surface middle part of placement disc 21 is fixed with multiple ring array distribution telescopic pneumatic cylinder 23, multiple telescopic pneumatic cylinders 23 are synchronous pneumatic cylinders, and the telescopic pneumatic cylinder 23 is electrically connected with the controller, the output shaft of telescopic pneumatic cylinder 23 is fixed with clamping plate 24, the bottom of clamping plate 24 is connected with limiting slide groove 22 through limiting slide block, for driving clamping plate 24 to keep linear movement, simultaneously prevent clamping plate 24 and placement disc 21 from separating, one side of clamping plate 24 is bonded with rubber block 25, for improving the friction force of clamping plate 24 and bearing inner ring, simultaneously avoid that clamping plate 24 and bearing inner ring rigidly contact and cause bearing inner ring to be damaged, the other side of clamping plate 24 is bonded with first pressure sensor 26, the first sensor is the pressure sensor with probe, the probe of first pressure sensor 26 is placed in rubber block 25, the first sensor is electrically connected with the controller, for monitoring the clamping force of clamping plate 24 to bearing inner ring in real time.

[0028] The second embodiment, the main difference with the first embodiment is that the detection piece 3 is provided with two, two detection piece 3 is arranged at the upper surface of the base 1 both ends, detection piece 3 for the outer ring of the automobile wheel hub bearing flatness detection, detection piece 3 includes the movable plate 31 arranged at the upper surface of the base 1 both ends, the lower surface of the movable plate 31 is fixed with two dovetail slide 32, the dovetail slide 32 is located in the dovetail slide groove 13, plays a guiding role, so that the movable plate 31 keeps linear movement, at the same time prevents the movable plate 31 and the base 1 separate, the lower surface of the movable plate 31 middle part is provided with screw groove 33, the inside of the screw groove 33 is connected with the screw knob 34 through the internal and external threads, the bottom of the screw knob 34 corresponds with the damping layer 14, for limiting the movable plate 31, one side of the movable plate 31 upper end is fixed with the fixed sleeve 35, the upper surface of the fixed sleeve 35 is connected with the movable plate 31 through the reinforcing plate 36, for improving the strength of the fixed sleeve 35, the inside of the fixed sleeve 35 is inserted with the movable plate 37, one end of the movable plate 37 is connected with the groove bottom of the fixed sleeve 35 through the spring 38, one end of the spring 38 is connected with the second pressure sensor 39, the second pressure sensor 39 is a micro pressure sensor, the second pressure sensor 39 is installed in the groove bottom of the fixed sleeve 35, the other end of the movable plate 37 is movably connected with the detection wheel 310 through the movable shaft, for the outer ring of the automobile wheel hub bearing flatness detection.

[0029] The device works, first of all, the automobile wheel hub bearing is placed on the placing plate, then the controller on the control panel 11 controls the multiple synchronous telescopic cylinder 23 to start, the telescopic cylinder 23 drives the clamping plate 24 to move, until the multiple clamping plate 24 contacts with the bearing inner ring through the rubber block 25 on it, the multiple clamping plate 24 cooperates to clamp and limit the bearing, at this time the first pressure sensor 26 detects the pressure change, when the pressure reaches or exceeds the threshold value, at this time the controller controls the telescopic cylinder 23 to stop driving, then the movable plate 31 is moved, until the detection wheel 310 on the movable plate 31 contacts with the bearing outer ring, at the same time makes the spring 38 compression stress, at this time the detection wheel 310 closely contacts with the bearing outer ring, the second pressure sensor 39 on the spring 38 monitors the pressure change in real time, then the driving motor 12 is started, the driving motor 12 drives the placing disc 21 to rotate, and then drives the bearing to rotate, so that the detection wheel 310 rotates on the bearing outer ring, when the pressure detected by the second pressure sensor 39 is constant or the change amplitude is very small, it is determined that the flatness of the bearing outer ring meets the requirements, when the pressure change amplitude detected by the second sensor is larger, it is determined that the flatness of the bearing outer ring does not meet the requirements.

[0030] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An automatic axial detection tool for an outer ring of a bearing for a vehicle wheel hub, characterized in that, Include: The upper surface of the base is provided with a control panel at a corner, and the control panel is provided with a controller, and the lower surface of the base is provided with a driving mechanism in the middle; The limiting piece is arranged on the upper surface of the base, and the limiting piece is connected with the driving mechanism on the base, and is used for clamping the automobile hub bearing; The detection piece is provided with two, two detection pieces are arranged at both ends of the upper surface of the base, and the detection piece is used for detecting the flatness of the outer ring of the automobile hub bearing; The limiting piece includes a placing disc arranged on the upper surface of the base, the lower surface of the placing disc is connected with the output shaft of the driving motor, the upper surface of the placing disc is provided with a plurality of limiting sliding grooves arranged in a ring array, the upper surface of the placing disc is fixed with a plurality of telescopic cylinders arranged in a ring array, the output shaft of the telescopic cylinder is fixed with a clamping plate, the bottom of the clamping plate is connected with the limiting sliding groove through the limiting sliding block, and the clamping plate is driven to keep linear movement; The detection piece includes a movable plate arranged at both ends of the upper surface of the base, the lower surface of the movable plate is fixed with two dovetail sliding blocks, the dovetail sliding blocks are located in the dovetail sliding groove, the lower surface of the movable plate is provided with a screw groove, the screw groove is connected with a screw knob through internal and external threads, the bottom of the screw knob corresponds to the damping layer, and the movable plate is limited, one side of the movable plate is fixed with a fixed sleeve, the upper surface of the fixed sleeve is connected with the movable plate through the reinforcing plate, the strength of the fixed sleeve is improved, the inside of the fixed sleeve is inserted with the movable plate, one end of the movable plate is connected with the groove bottom of the fixed sleeve through the spring, one end of the spring is connected with the second pressure sensor, the second pressure sensor is installed in the groove bottom of the fixed sleeve, the other end of the movable plate is connected with a detection wheel through a movable shaft, and the flatness of the outer ring of the automobile hub bearing is detected.

2. The automatic axial detection tool for the outer ring of the automobile wheel hub bearing according to claim 1, characterized in that: The driving mechanism on the base is a driving motor, and a plurality of dovetail sliding grooves are arranged in parallel at both ends of the upper surface of the base.

3. The automatic axial detection tool for the outer ring of the automobile wheel hub bearing according to claim 2, characterized in that: One side of the clamping plate is bonded with a rubber block, the other side of the clamping plate is bonded with a first pressure sensor, and the probe of the first pressure sensor is placed in the rubber block.

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