CRB and SRB roller measuring device

Abstract

The utility model belongs to the field of bearing detection, and relates to a CRB and SRB roller measuring device. A material receiving block used for placing a roller is fixed on a workbench of the roller measuring device. A measuring ring is arranged at the rear end of the material receiving block; the outer side of the measuring ring is sleeved with a sensor fixing ring which is coaxially arranged with the measuring ring. N pairs of diameter measuring sensors are uniformly distributed on the sensor fixing ring along the circumference; measuring top blocks, namely a measuring top block I and a measuring top block II, are arranged corresponding to the rollers; the measuring top block II is arranged at the front end of the material receiving block, and the measuring top block I is arranged on the rear side of the sensor fixing ring; driving mechanisms are respectively arranged corresponding to the measuring top block I and the measuring top block II; the measuring top block I and the measuring top block II jointly form a positioning mechanism for positioning the roller, and the roller moves backwards under the action of the two driving mechanisms and is fed into the measuring ring for diameter detection. According to the utility model, the detection efficiency is improved, the detection precision is improved, the size misjudgment is reduced, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing detection field, concretely relates to a CRB, SRB roller measuring device. BACKGROUND

[0002] At present, most bearing manufacturers in China adopt manual measurement and automatic measurement of detection machine to measure and sort the roller diameter, wherein the manual measurement method has the longest application time and the widest application range; the manual measurement method usually adopts a micrometer as a measuring tool, and the measuring accuracy of the micrometer is 1 micrometer, which basically meets the detection accuracy requirement of most rollers; offline detection of a large number of rollers needs to invest a large amount of manpower and material resources, according to relevant data statistics, a skilled operator can complete the measurement of about 3-4 rollers per minute, and 8 to 10 workers are needed for a shift, and long-time repeated mechanical labor can make the operator tired, resulting in deviation of the measurement result, reduction of work efficiency, and influence on the factory benefit, therefore, it is an inevitable trend to replace the manual measurement with automatic measurement of the detection machine. SUMMARY

[0003] The utility model aims at providing a CRB, SRB roller measuring device, which can improve the detection efficiency, improve the detection accuracy, reduce the size misjudgment, and save the cost.

[0004] The utility model discloses a technical scheme for achieving the above-mentioned purpose:

[0005] A CRB, SRB roller measuring device, the roller measuring device has a workbench in a frame structure; The workbench is fixed with a material receiving block for placing the roller; The roller measuring device is also provided with a measuring ring for positioning and guiding the roller; The measuring ring is arranged at the rear end of the material receiving block; The material receiving block is connected to the workbench through the material receiving block base and the lead screw; The outer side of the measuring ring is provided with a sensor fixing ring coaxially arranged with the measuring ring, and the two are fixed by screws; N pairs of diameter measuring sensors are uniformly distributed on the sensor fixing ring along the circumference; Corresponding to the roller, a measuring top block is arranged; The measuring top block is two: measuring top block I and measuring top block II; The measuring top block II is arranged at the front end of the material receiving block, and the measuring top block I is arranged at the rear side of the sensor fixing ring; The measuring top block I and the measuring top block II are oppositely arranged; Corresponding to the measuring top block I and the measuring top block II, a driving mechanism for driving the forward and backward movement of the measuring top block is arranged, and the two sets of driving mechanisms are oppositely arranged; The measuring top block I and the measuring top block II jointly constitute a positioning mechanism for positioning the roller, and the roller moves backward under the action of the two sets of driving mechanisms, and the roller is sent into the measuring ring for diameter detection; The driving mechanism is also provided with an adjusting mechanism for adjusting the height according to the diameter of the roller; The measuring device is also provided with a conveying chain plate for conveying the measured roller to the next station.

[0006] Each set of driving mechanism is provided with a height measuring anvil for measuring the height of the roller; The height measuring anvil arranged at the rear side of the sensor fixing ring moves simultaneously with the measuring top block I along with the sliding block action of the driving mechanism; The height measuring sensor arranged at the front end of the material receiving block and the connected height measuring anvil move simultaneously with the measuring top block II along with the sliding block action of the driving mechanism; When the measuring top block I and the measuring top block II jointly realize the clamping state of the roller, the height of the roller can be calculated through the height measuring sensor; The height measuring sensor is arranged at the front end of the material receiving block and connected with the height measuring anvil.

[0007] The adjusting mechanism is composed of a servo motor and a ball screw; The servo motor drives the ball screw to drive the two side driving mechanisms to move up and down, adjusts the height position of the measuring top block I and the measuring top block II according to the diameter change of the roller, so as to match the height of the roller on the material receiving assembly and the conveying chain plate.

[0008] The measuring ring and the material receiving block are integrally formed or fixedly connected.

[0009] The conveying chain plate has a V-shaped block for supporting the roller.

[0010] The CRB, SRB roller measuring device adopts the above technical scheme, which can improve the detection efficiency, improve the detection precision, reduce the size misjudgment and save the cost. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model discloses a structural schematic diagram.

[0012] In the drawing: 1, sensor fixed ring, 2-1, measuring top block I, 2-2, measuring top block II, 3, measuring ring, 4, diameter measuring sensor, 5, height measuring sensor, 6, rodless cylinder, 7, servo module, 8, height measuring anvil, 9, servo motor, 10, ball screw, 11, receiving block, 12, standard roller placing rack, 13, roller, 14, standard roller, 15, conveying chain plate. DETAILED DESCRIPTION

[0013] The utility model is explained in detail in connection with the drawings and specific embodiment:

[0014] As Figure 1 The utility model discloses a CRB, SRB roller measuring device, and the roller measuring device has a workbench in frame structure, the workbench is fixed with the receiving block 11 for placing the roller 13, the roller measuring device is also provided with the measuring ring 3 for positioning and guiding the roller 13, the measuring ring 3 is arranged at the rear end of the receiving block 11, the receiving block 11 is connected to the workbench through the receiving block base and the lead screw, the outside of the measuring ring 3 is sleeved with the sensor fixed ring 1 coaxially arranged with the measuring ring 3, and the two are fixed through screws, N pairs of diameter measuring sensors 4 are uniformly distributed on the sensor fixed ring 1 along the circumference, the measuring top block corresponding to the roller 13 is provided, the measuring top block is two, measuring top block I 2-1 and measuring top block II 2-2, measuring top block II 2-2 is arranged at the front end of the receiving block 11, measuring top block I 2-1 is arranged at the rear side of the sensor fixed ring 1, and measuring top block I 2-1 and measuring top block II 2-2 are oppositely arranged, the drive mechanism for driving the forward and backward action of measuring top block I 2-1 and measuring top block II 2-2 is arranged respectively, and the two sets of drive mechanisms are oppositely arranged, measuring top block I 2-1 and measuring top block II 2-2 jointly constitute the positioning mechanism for positioning the roller 13, under the action of the two sets of drive mechanisms, the roller 13 moves backward, and the roller 13 is sent into the measuring ring 3 to carry out diameter detection, the drive mechanism is also provided with the adjusting mechanism for adjusting the height according to the diameter of the roller 13, the measuring device is also provided with the conveying chain plate 15 for sending the measured roller 13 into the next station.

[0015] Each of the drive mechanisms is provided with a height measuring anvil 8 for measuring the height of the roller 13; the height measuring anvil 8 provided at the rear side of the sensor fixing ring 1 moves simultaneously with the measuring block I 2-1 along with the action of the slider of the drive mechanism; the height measuring anvil 8 provided at the front end of the receiving block 11 moves simultaneously with the measuring block II 2-2 along with the action of the slider of the drive mechanism; when the measuring block I 2-1 and the measuring block II 2-2 jointly clamp the roller 13, the height of the roller 13 can be calculated through the height measuring sensor 5; the height measuring sensor 5 is provided at the front end of the receiving block 11 and is connected with the height measuring anvil 8.

[0016] The adjusting mechanism is composed of a servo motor 9 and a ball screw 10; the servo motor 9 drives the ball screw 10 to drive the two side drive mechanisms to move up and down, and adjusts the height position of the measuring block I 2-1 and the measuring block II 2-2 according to the diameter change of the roller 13, so as to match the height of the roller 13 on the receiving block 11 and the conveying chain plate 15.

[0017] The measuring ring 3 and the receiving block 11 are integrally formed or fixedly connected.

[0018] The conveying chain plate 15 is provided with a V-shaped block for supporting the roller 13.

[0019] Working principle: the robot gripper grabs the roller 13 and places it on the receiving block 11, the rodless cylinder 6 drives the measuring block I 2-1 to move towards the roller 13 until the measuring block I 2-1 abuts against the roller 13, and the height measuring anvil 8 moves simultaneously with the measuring block I 2-1.

[0020] The servo module 7 controls the measuring block II 2-2 to move towards the roller 13 until the measuring block II 2-2 abuts against the roller 13, and the measuring block II 2-2 and the measuring block II 2-2 form two-end clamping and fixing of the roller 13, and the height measuring sensor 5 and the connected height measuring anvil 8 move simultaneously with the measuring block 2-2.

[0021] The servo module 7 continues to control the measuring block II 2-2 to push the roller 13 into the measuring ring 3; the height measuring sensor 5 and the connected height measuring anvil 8 move simultaneously with the measuring block II 2-2, and the corresponding height measuring anvil 8 presses the height measuring sensor 5.

[0022] The control system simultaneously collects the measurement data of the six diameter measuring sensors 4 in the sensor fixing ring 1, and the six diameter measuring sensors 4 are uniformly distributed at 60° in the same plane, and from the measurement angle, the six diameter measuring sensors 4 mutually form 180° measurement of the diameter of the roller 13, and three groups of data can be measured simultaneously; at the same time, the height measuring sensor 5 contacts with the corresponding height measuring anvil 8, and the height of the roller 13 is obtained according to the difference between the deformation amount of the height measuring sensor 5 and the standard value.

[0023] The receiving block 11, the measuring ring 3 and the V-shaped block arranged on the conveying chain plate 15 are located in the same horizontal plane, and the detection is performed when the measuring top block I 2-1 and the measuring top block II 2-2 are in a straight line with the axis of the roller 13; when the diameters of the to-be-detected roller and the currently detected roller are different, the height of the measuring top block I 2-1 and the measuring top block II 2-2 needs to be adjusted; the adjusting assembly is composed of a servo motor 9 and a ball screw 10; the servo motor 9 drives the ball screw 10 to drive the two side driving mechanisms to move up and down through the belt pulley structure at the bottom of the workbench, and the height position of the measuring top block I 2-1 and the measuring top block II 2-2 is adjusted according to the diameter change of the roller, so as to match the axial height of the roller on the receiving assembly and the conveying chain plate 15.

[0024] The V-shaped blocks made of nylon material are arranged in sequence on the conveying chain plate 15, the roller 13 passes through the measuring ring 3 under the clamping of the measuring top block I 2-1 and the measuring top block II 2-2, after the detection is completed, the measuring top block I 2-1 and the measuring top block II 2-2 place the roller 13 on the V-shaped block of the conveying chain plate 15, and then the measuring top block I 2-1 and the measuring top block II 2-2 exit respectively, and the roller 13 is transmitted to the next process along with the conveying chain plate 15.

[0025] As shown in Figure 1 A CRB, SRB roller measuring device, the roller measuring device is further provided with a standard roller placing rack 12 for placing a standard roller 14, and a robot gripper regularly grabs the standard roller 14 to calibrate the precision of the CRB, SRB roller measuring device.

Claims

1. A CRB, SRB roller measuring device characterized by: The roller measuring device has a frame-structured worktable; a receiving block for placing rollers is fixed on the worktable; the roller measuring device also has a measuring ring for positioning and guiding the rollers; the measuring ring is located at the rear end of the receiving block; the receiving block is connected to the worktable via a receiving block base and a lead screw; a sensor fixing ring coaxially arranged with the measuring ring is fitted on the outer side of the measuring ring, and the two are fixed by screws; N pairs of diameter measuring sensors are evenly distributed along the circumference of the sensor fixing ring; a measuring top block is provided corresponding to the roller; there are two measuring top blocks: measuring top block I and measuring top block II; measuring top block II is located at the front end of the receiving block. The measuring top block I is located on the rear side of the sensor fixing ring, and measuring top block I and measuring top block II are arranged opposite each other. A driving mechanism is provided for each measuring top block I and measuring top block II to drive their forward and backward movements, and the two driving mechanisms are arranged opposite each other. The measuring top block I and measuring top block II together constitute a positioning mechanism for positioning the roller. The roller moves backward under the action of the two driving mechanisms, sending the roller into the measuring ring for diameter detection. The driving mechanism is also provided with an adjustment mechanism to adjust the height according to the roller diameter. The measuring device is also provided with a conveyor chain plate for sending the measured roller to the next workstation.

2. A CRB, SRB roller measuring device as claimed in claim 1, characterised in that: Each drive mechanism is equipped with a height-measuring anvil for measuring the height of the roller; the height-measuring anvil, located behind the sensor fixing ring, moves simultaneously with the sliding block of the drive mechanism and the measuring block I; a height measuring sensor located at the front end of the receiving block, connected to a height-measuring anvil, moves simultaneously with the sliding block of the drive mechanism and the measuring block II; when measuring block I and measuring block II together clamp the roller, the height of the roller can be calculated by the height measuring sensor; the height measuring sensor is located at the front end of the receiving block and connected to the height-measuring anvil.

3. A CRB, SRB roller measuring device as claimed in claim 1, wherein: The adjustment mechanism consists of a servo motor and a ball screw; the servo motor drives the ball screw to move the two drive mechanisms up and down, and adjusts the height position of the measuring top block I and the measuring top block II according to the change of the roller diameter, so as to match the height of the roller on the receiving assembly and the conveyor chain plate.

4. A CRB, SRB roller measuring device as claimed in claim 1, characterized in that: The measuring ring and the receiving block are either integrally formed or fixedly connected.

5. The CRB and SRB roller measuring device as described in claim 1, characterized in that: The conveyor chain plate has V-shaped blocks for supporting the rollers.

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