CN212964021U - Bearing radial clearance measuring equipment - Google Patents
Bearing radial clearance measuring equipment Download PDFInfo
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- CN212964021U CN212964021U CN202021578277.XU CN202021578277U CN212964021U CN 212964021 U CN212964021 U CN 212964021U CN 202021578277 U CN202021578277 U CN 202021578277U CN 212964021 U CN212964021 U CN 212964021U
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Abstract
The utility model discloses a bearing radial clearance measuring device, which comprises a frame, wherein the frame is provided with a mandrel capable of sleeving a bearing; the feeding and clamping mechanism comprises a workbench, a material receiving block, a material blocking assembly, a material ejecting assembly and an X-direction driving unit, wherein the material receiving block, the material blocking assembly and the material ejecting assembly are arranged on the workbench; the detection mechanism comprises a follower rod, a measuring instrument and a Y-direction driving unit capable of driving the follower rod and the measuring instrument to ascend and descend; one end of the follower rod is in contact with the outer ring of the bearing and can move in a direction close to or far away from the center of the bearing; a measuring head of the measuring instrument is abutted with one end of the follower rod far away from the center of the bearing; and the at least one rotary loading mechanism and the at least one Z-direction driving unit drive the rotary loading mechanism to translate along the Z direction. The utility model discloses can realize the autoloading of bearing and the relatively fixed of bearing inner race, guarantee the fixed precision of bearing inner race to realize that the bearing is automatic multiple spot measurement play value under the rotatory condition, improve play value measurement's precision.
Description
Technical Field
The utility model belongs to the technical field of automation equipment, in particular to bearing radial play measuring equipment.
Background
The bearing is an important part in mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision. As shown in fig. 1, a bearing generally includes an inner race 201, an outer race 202, and a cage 203 for mounting balls, and bearing play is a gap between a bearing rolling element and a bearing inner and outer race housing. The radial play of the bearing is the radial distance of the outer bearing ring relative to the inner bearing ring from one radial eccentricity limit position to the opposite limit position. The size of the radial play of the bearing has an influence on the rolling fatigue life, temperature rise, noise, vibration and other performances of the bearing, so the radial play is generally required to be detected in the production of the bearing, and the produced bearing is ensured to meet a certain standard.
In the prior art, the radial play of the bearing is usually implemented by fixing one of the bearing inner ring or the bearing outer ring, and then measuring the maximum displacement value of the fixed one for radial movement. Since the detection of the play is usually only performed by measuring the radial displacement at a single angle, the ovality of the bearing outer ring and the bearing inner ring and the size difference of the steel balls influence the measurement result.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a bearing radial play measuring equipment, can realize the autoloading of bearing and the relatively fixed of bearing inner race, guarantees the fixed precision of bearing inner race to realize that the bearing is automatic multiple spot measurement play value under the rotatory condition, improve play value measurement's precision.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a bearing radial play measuring equipment, include
The bearing assembling machine comprises a machine frame, wherein a mandrel capable of being sleeved with a bearing is arranged on the machine frame;
the feeding and clamping mechanism comprises a workbench, a material receiving block, a material blocking assembly, a material ejecting assembly and an X-direction driving unit, wherein the material receiving block, the material blocking assembly and the material ejecting assembly are arranged on the workbench;
the material blocking assembly comprises a material blocking bottom plate and two material blocking side plates arranged in parallel, a material inlet and outlet groove is formed between the two material blocking side plates and the material blocking bottom plate, the material receiving block is positioned right below the material inlet and outlet groove, and a bearing can enter along the material inlet and outlet groove and slide to the material receiving block;
the ejection assembly comprises an ejector rod, the ejector rod is driven by the X-direction driving unit to penetrate through the material blocking side plate to be close to the mandrel, and the inner ring of the bearing is tightly abutted by the end part of the ejector rod and the end part of the mandrel to realize relative fixation;
the detection mechanism comprises a follower rod, a measuring instrument and a Y-direction driving unit capable of driving the follower rod and the measuring instrument to ascend and descend; one end of the follower rod is in contact with the outer ring of the bearing and can move in a direction close to or far away from the center of the bearing; a measuring head of the measuring instrument is abutted with one end of the follower rod far away from the center of the bearing;
the rotary loading mechanism can drive the outer ring of the bearing to rotate relative to the inner ring of the bearing.
Furthermore, the rotary loading mechanisms are provided with two groups, namely an upper rotary loading mechanism and a lower rotary loading mechanism, wherein the upper rotary loading mechanism is positioned above the bearing, and the lower rotary loading mechanism is positioned below the bearing.
Furthermore, the rotary loading mechanism comprises a motor and a loading wheel, the output end of the motor is connected with the loading wheel, and the loading wheel is abutted against the outer ring of the bearing so as to drive the outer ring of the bearing to rotate relative to the inner ring of the bearing.
The two groups of the follower rods are arranged above the outer ring of the bearing, and the two follower rods are positioned on the same straight line which is parallel to the axis of the bearing.
Furthermore, the feeding and clamping device further comprises a connecting rod, one end of the connecting rod is connected with the ejection assembly, the other end of the connecting rod is connected with the material blocking assembly, and the ejection assembly and the material blocking assembly are driven to move horizontally by the X-direction driving unit.
Further, a first arc-shaped groove for limiting the rolling of the bearing is formed on the upper surface of the material receiving block.
Each material blocking side plate is provided with a second arc-shaped groove for the ejector rod to pass through, a through hole is formed in the middle of the material blocking bottom plate, and the through hole is located above the material receiving block.
Furthermore, the end part of the mandrel is provided with an extending section for penetrating through the bearing and a step for positioning the end face of the bearing, the ejector rod is provided with a cavity for inserting the extending section, and the inner ring of the bearing is tightly abutted through the end face of the step and the end face of the ejector rod to realize the relative fixation of the inner ring of the bearing.
Furthermore, the frame is provided with a limiting block for limiting the translation stroke of the material ejecting assembly and the material blocking assembly, and the limiting block is fixed on two sides of the frame.
Further, detection mechanism still includes coupling assembling, coupling assembling includes connecting block and support column, the lower extreme of appearance is installed in the connecting block, the upper end of follower rod install in the connecting block, the connecting block is fixed in Y to the drive unit, Y is the conical structure of axis level setting to the output of drive unit, and with the support column butt, in order to drive the connecting block drives the ejector pin with the appearance moves along vertical direction.
The utility model has the advantages that:
the utility model discloses a frame, pay-off and clamping mechanism, detection mechanism and at least one rotatory loading mechanism and at least one drive rotatory loading mechanism along the Z of Z to the translation to drive unit, rotatory loading mechanism can drive the outer lane of bearing and rotate relative to the inner circle of bearing, the utility model discloses a cooperation of pay-off and clamping mechanism and dabber realizes the autoloading and the clamp of bearing, loads for the bearing outer lane through rotatory loading mechanism to cooperate the radial motion displacement of follower rod and appearance detection bearing, thereby detect the radial internal clearance of bearing; meanwhile, the rotary loading mechanism can also drive the bearing outer ring to rotate relative to the bearing inner ring, and the average value is obtained through multiple measurements, so that the influence of the circumferential difference of the bearing on the detection result is avoided, the measurement error is reduced, and the measurement result is accurate;
furthermore, the feeding and clamping mechanism of the utility model has the advantages of simple structure and reasonable design, can realize the automatic feeding of the bearing and the relative fixation of the bearing inner ring, and can ensure the fixation precision of the bearing inner ring, so that the automatic multi-point measurement of the play value of the bearing under the condition of rotation has the possibility of realization;
furthermore, the utility model discloses a pay-off and clamping mechanism still includes the connecting rod, the one end and the liftout subassembly of connecting rod are connected, and the other end with keep off the material subassembly and connect, through same X to drive unit drive liftout subassembly and keep off the translation of material subassembly, reduce X to drive unit, reduce cost.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a prior art bearing;
FIG. 2 is an external view of the present invention;
FIG. 3 is one of the schematic structural diagrams of the present invention;
fig. 4 is a second schematic structural view (for convenience of illustration, the material blocking assembly is partially not installed) of the present invention;
fig. 5 is a front view of the upper portion of the present invention;
fig. 6 is a schematic structural diagram of the Y-direction driving unit of the present invention;
fig. 7 is a schematic structural diagram of the rotary loading mechanism of the present invention;
FIG. 8 is an external view of the feeding and clamping mechanism of the present invention (when the mandrel and the mandrel are in a tight state against the bearing);
fig. 9 is a second schematic external view of the feeding and clamping mechanism of the present invention (when the mandrel and the mandrel do not press the bearing tightly);
FIG. 10 is a third schematic view of the feeding and clamping mechanism of the present invention (without the bearing placed);
fig. 11 is an exploded view of the feeding and clamping mechanism of the present invention;
fig. 12 is an axial cross-sectional view of a portion of the feed and clamping mechanism of the present invention (with the carrier rod and mandrel in a tight bearing condition);
fig. 13 is an overall view of the mandrel of the present invention;
fig. 14 is an exploded view of the mandrel of the present invention;
the parts in the drawings are marked as follows:
the device comprises a frame 10, a bearing 20, an inner ring 201, an outer ring 202, a retainer 203, a mandrel 30, a stretching section 301, a step 302, a workbench 40, a feeding and clamping mechanism 50, a material receiving block 501, a first arc-shaped groove 5011, a material blocking assembly 502, a material blocking bottom plate 5021, a material blocking side plate 5022, a second arc-shaped groove 50221, a material ejecting assembly 503, a top rod 5031, a cavity 50311, an X-direction driving unit 504, a connecting rod 505 and a limiting block 506;
the device comprises a detection mechanism 60, a follower rod 601, a measuring instrument 602, a Y-direction driving unit 603, a conical structure 6031, a connecting assembly 604, a connecting block 605, a supporting column 606, a reed 607, a rotary loading mechanism 70, a motor 701, a loading wheel 702 and a Z-direction driving unit 80.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
The moving direction of the feeding and clamping mechanism is defined as X direction, the direction vertical to the X direction is Y direction, and the moving direction of the measuring instrument is Z direction.
Example (b): a bearing radial play measuring apparatus, as shown in fig. 2 to 5 and fig. 8 to 14, comprising:
the bearing device comprises a frame 10, a bearing device and a bearing device, wherein the frame is provided with a mandrel 30 capable of sleeving a bearing 20;
the feeding and clamping mechanism 50 comprises a workbench 40, a receiving block 501, a material blocking assembly 502, an ejecting assembly 503 and an X-direction driving unit 504, wherein the receiving block 501, the material blocking assembly 502 and the ejecting assembly 503 are arranged on the workbench, and the X-direction driving unit 504 can drive the material blocking assembly and the ejecting assembly to translate;
the material blocking assembly comprises a material blocking bottom plate 5021 and two material blocking side plates 5022 which are arranged in parallel, a material inlet and outlet groove is formed between the two material blocking side plates and the material blocking bottom plate, the material receiving block is positioned right below the material inlet and outlet groove, and a bearing can enter along the material inlet and outlet groove and slide to the material receiving block;
the ejection assembly comprises an ejector rod 5031, the ejector rod is driven by the X-direction driving unit to penetrate through the material blocking side plate to be close to the mandrel, and the inner ring of the bearing is tightly abutted by the end part of the ejector rod and the end part of the mandrel to realize relative fixation;
a detection mechanism 60 including a follower rod 601, a meter 602, and a Y-direction drive unit 603 capable of driving the follower rod and the meter to move up and down; one end of the follower rod is in contact with the outer ring of the bearing and can move in a direction close to or far away from the center of the bearing; a measuring head of the measuring instrument is abutted with one end of the follower rod far away from the center of the bearing;
and at least one rotational loading mechanism 70 capable of driving the outer race of the bearing to rotate relative to the inner race of the bearing, and at least one Z-direction drive unit 80 for driving the rotational loading mechanism to translate in the Z-direction.
As shown in fig. 2 to 7, the rotary loading mechanisms are provided in two groups, which are an upper rotary loading mechanism and a lower rotary loading mechanism, respectively, the upper rotary loading mechanism is located above the bearing, and the lower rotary loading mechanism is located below the bearing.
As shown in fig. 2 to 7, each of the rotational loading mechanisms includes a motor 701 and a loading wheel 702, an output end of the motor is connected to the loading wheel, and the loading wheel abuts against an outer ring of the bearing to drive the outer ring of the bearing to rotate relative to an inner ring of the bearing.
In this embodiment, the number of the loading wheels is two, and the two loading wheels are symmetrically arranged along the axis of the ejector rod.
The two groups of the follower rods and the measuring instrument are arranged, the two follower rods are located above the outer ring of the bearing, and the two follower rods are located on the same straight line which is parallel to the axis of the bearing.
As shown in fig. 8 to 14, the feeding and clamping device further includes a connecting rod 505, one end of the connecting rod is connected to the material ejecting assembly, and the other end of the connecting rod is connected to the material blocking assembly, and the material ejecting assembly and the material blocking assembly are driven to translate by the same X-direction driving unit, so that the X-direction driving unit is reduced, and the cost is reduced.
As shown in fig. 8 to 14, the upper surface of the joint block forms a first arc-shaped groove 5011 for restricting rolling of the bearing.
As shown in fig. 8 to 14, each of the material blocking side plates is provided with a second arc-shaped groove 50221 for the mandril to pass through, and a through hole is formed in the middle of the material blocking bottom plate and is located above the material receiving block.
As shown in fig. 8 to 14, the end of the mandrel has an extending section 301 for passing through the bearing and a step 302 for positioning the end face of the bearing, the ejector rod is provided with a cavity 50311 for inserting the extending section, and the inner ring of the bearing is pressed tightly by the end face of the step and the end face of the ejector rod to realize the relative fixation of the inner ring of the bearing.
As shown in fig. 8 to 14, the frame is provided with a limiting block 506 for limiting the translation strokes of the material ejecting assembly and the material blocking assembly, and the limiting block is fixed on two sides of the frame.
As shown in fig. 2 to 7, the detection mechanism further includes a connection assembly 604, the connection assembly includes a connection block 605 and a support column 606, the lower end of the measurement instrument is mounted on the connection block, the upper end of the follower rod is mounted on the connection block, the connection block is fixed on the Y-direction driving unit, the output end of the Y-direction driving unit is a conical structure 6031 with a horizontal axis, and the output end of the Y-direction driving unit abuts against the support column to drive the connection block to drive the ejector rod and the measurement instrument to move along the vertical direction.
In this embodiment, a spring 607 is arranged between the supporting column and the frame, and when the output end of the Y-direction driving unit retracts, the connecting block moves downward under the action of gravity, but because the spring has elasticity and deforms, the downward movement amplitude of the connecting block is not large; when the output end of the Y-direction driving unit extends out, the supporting column moves upwards under the guiding action of the conical structure, so that the connecting block is driven to move upwards.
The X-direction driving unit is an air cylinder. (but not limited thereto)
The material blocking assembly and the workbench slide through a linear guide rail.
The ejection component and the workbench slide through a linear guide rail.
The measuring instrument is prior art and therefore not described in detail.
The utility model discloses a theory of operation and working process as follows:
defining one side of an X-direction driving unit as the right side, wherein a material ejecting assembly and a material blocking assembly are positioned on the right side, a material receiving block is positioned under the material blocking assembly at the moment, a bearing is placed into a material inlet and outlet groove through the cooperation of other mechanisms or manually, the bearing rolls to the position of the material receiving block, the material receiving block supports the bottom of the bearing, the upper part of the bearing is positioned in the material inlet and outlet groove, then the X-direction driving unit drives an ejector rod and the material blocking assembly to move towards the left side together, at the moment, an extending section of a mandrel is inserted into a cavity of the ejector rod until the end surface of the ejector rod and an end surface bearing of a step of the mandrel are; then, the Y direction is retracted to the output end of the driving unit, the connecting block moves downwards under the action of gravity, but the spring plate can deform due to the elastic force, so that the downward movement amplitude of the connecting block is not large, the measuring instrument and the follower rods are driven to move downwards, the lower ends of the two follower rods are respectively abutted against the outer rings of the bearings, meanwhile, the upper Z-direction driving unit drives the loading wheel of the upper loading rotating mechanism to descend, the motor drives the loading wheel to rotate, the outer ring is ensured to rotate in the upper loading process, meanwhile, the upper half part of the inner ring of the bearing is tightly propped against the surface of the mandrel, the measuring instrument detects the numerical value of the outer ring at the moment, the average value of the numerical values of the two measuring instruments is taken, in the process of bearing rotation, in order to avoid the error of single detection, the detection process can be repeated, the average value of the detection results is calculated for a plurality of times, taking the average value of a plurality of groups of measuring points as the measuring value a of the outer ring at the moment, and then separating the upper rotating loading mechanism from the bearing;
similarly, in the process of loading by the lower rotary loading mechanism, the lower half part of the inner ring of the bearing abuts against the surface of the mandrel, the difference value of a and b is the play value of the bearing according to the measured value b of the outer ring at the moment, and then the lower rotary loading mechanism is separated from the bearing;
then, when the output end of the Y-direction driving unit extends out, the supporting column moves upwards under the guiding action of the conical structure, so that the connecting block is driven to move upwards, and the measuring instrument and the follower rod return;
and finally, driving the material blocking assembly and the material ejecting assembly to return by the X-direction driving unit, taking out the bearing by adopting other structures or manpower, and preparing for the next action process.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.
Claims (10)
1. The utility model provides a bearing radial play measuring equipment which characterized in that: comprises that
The bearing device comprises a frame (10) which is provided with a mandrel (30) capable of sleeving a bearing (20);
the feeding and clamping mechanism (50) comprises a workbench (40), a material receiving block (501), a material blocking assembly (502), a material ejecting assembly (503) and an X-direction driving unit (504) capable of driving the material blocking assembly and the material ejecting assembly to translate, wherein the material receiving block, the material blocking assembly and the material ejecting assembly are arranged on the workbench;
the material blocking assembly comprises a material blocking bottom plate (5021) and two material blocking side plates (5022) which are arranged in parallel, a material inlet and outlet groove is formed between the two material blocking side plates and the material blocking bottom plate, the material receiving block is positioned right below the material inlet and outlet groove, and a bearing can enter along the material inlet and outlet groove and slide to the material receiving block;
the ejection assembly comprises an ejector rod (5031), the ejector rod is driven by the X-direction driving unit to penetrate through the material blocking side plate to be close to the mandrel, and the inner ring of the bearing is tightly abutted by the end part of the ejector rod and the end part of the mandrel to realize relative fixation;
the detection mechanism (60) comprises a follower rod (601), a measuring instrument (602) and a Y-direction driving unit (603) capable of driving the follower rod and the measuring instrument to ascend and descend; one end of the follower rod is in contact with the outer ring of the bearing and can move in a direction close to or far away from the center of the bearing; a measuring head of the measuring instrument is abutted with one end of the follower rod far away from the center of the bearing;
and the rotary loading mechanism (70) can drive the outer ring of the bearing to rotate relative to the inner ring of the bearing, and the Z-direction driving unit (80) drives the rotary loading mechanism to translate along the Z direction.
2. The bearing radial play measuring apparatus according to claim 1, characterized in that: the rotary loading mechanisms are provided with two groups, namely an upper rotary loading mechanism and a lower rotary loading mechanism, the upper rotary loading mechanism is positioned above the bearing, and the lower rotary loading mechanism is positioned below the bearing.
3. The bearing radial play measuring apparatus according to claim 1, characterized in that: the rotary loading mechanism comprises a motor (701) and a loading wheel (702), the output end of the motor is connected with the loading wheel, and the loading wheel is abutted against the outer ring of the bearing so as to drive the outer ring of the bearing to rotate relative to the inner ring of the bearing.
4. The bearing radial play measuring apparatus according to claim 1, characterized in that: the two groups of the follower rods and the measuring instrument are arranged, the two follower rods are located above the outer ring of the bearing, and the two follower rods are located on the same straight line which is parallel to the axis of the bearing.
5. The bearing radial play measuring apparatus according to claim 1, characterized in that: the feeding and clamping device further comprises a connecting rod (505), one end of the connecting rod is connected with the ejecting component, the other end of the connecting rod is connected with the material blocking component, and the ejecting component and the material blocking component are driven to move horizontally by the same X direction driving unit.
6. The bearing radial play measuring apparatus according to claim 1, characterized in that: a first arc-shaped groove (5011) for limiting rolling of the bearing is formed on the upper surface of the joint block.
7. The bearing radial play measuring apparatus according to claim 1, characterized in that: each material blocking side plate is provided with a second arc-shaped groove (50221) for the ejector rod to penetrate through, a through hole is formed in the middle of the material blocking bottom plate, and the through hole is located above the material receiving block.
8. The bearing radial play measuring apparatus according to claim 1, characterized in that: the end part of the mandrel is provided with an extending section (301) for penetrating through the bearing and a step (302) for positioning the end face of the bearing, the ejector rod is provided with a cavity (50311) for inserting the extending section, and the inner ring of the bearing is tightly propped against the end face of the step and the end face of the ejector rod to realize the relative fixation of the inner ring of the bearing.
9. The bearing radial play measuring apparatus according to claim 1, characterized in that: the frame is equipped with stopper (506) that are used for restricting liftout subassembly and fender material subassembly translation stroke, the stopper is fixed in the both sides of frame.
10. The bearing radial play measuring apparatus according to claim 1, characterized in that: the detection mechanism further comprises a connecting assembly (604), the connecting assembly comprises a connecting block (605) and a supporting column (606), the lower end of the measuring instrument is installed on the connecting block, the upper end of the follower rod is installed on the connecting block, the connecting block is fixed on the Y-direction driving unit, the Y-direction driving unit is in a conical structure (6031) horizontally arranged along the axis, the output end of the Y-direction driving unit is abutted to the supporting column, and the connecting block drives the ejector rod and the measuring instrument to move along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021578277.XU CN212964021U (en) | 2020-08-03 | 2020-08-03 | Bearing radial clearance measuring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021578277.XU CN212964021U (en) | 2020-08-03 | 2020-08-03 | Bearing radial clearance measuring equipment |
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| CN212964021U true CN212964021U (en) | 2021-04-13 |
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| CN202021578277.XU Active CN212964021U (en) | 2020-08-03 | 2020-08-03 | Bearing radial clearance measuring equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624186A (en) * | 2021-08-14 | 2021-11-09 | 河北精拓轴承科技有限公司 | Bearing play automatic checkout device |
| CN114322897A (en) * | 2022-01-11 | 2022-04-12 | 嘉兴法斯顿动力科技有限公司 | Automatic detector and detection method for radial play of small bearing |
-
2020
- 2020-08-03 CN CN202021578277.XU patent/CN212964021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624186A (en) * | 2021-08-14 | 2021-11-09 | 河北精拓轴承科技有限公司 | Bearing play automatic checkout device |
| CN114322897A (en) * | 2022-01-11 | 2022-04-12 | 嘉兴法斯顿动力科技有限公司 | Automatic detector and detection method for radial play of small bearing |
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