CN212482433U - Automobile wheel hub bearing outer flange axial ditch position measuring mechanism - Google Patents
Automobile wheel hub bearing outer flange axial ditch position measuring mechanism Download PDFInfo
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- CN212482433U CN212482433U CN202021897188.1U CN202021897188U CN212482433U CN 212482433 U CN212482433 U CN 212482433U CN 202021897188 U CN202021897188 U CN 202021897188U CN 212482433 U CN212482433 U CN 212482433U
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Abstract
The utility model discloses an automobile wheel hub bearing outer flange axial ditch position measuring mechanism, including the supporting part, the upper end swing joint of supporting part has the measurement upper portion, measure upper portion and include the backup pad, be equipped with the spring holder in the backup pad, wear to be equipped with the measurement seat on the spring holder, the upper end of measuring the seat is connected with the gauge head fixed block, connect displacement sensor on the gauge head fixed block, the lower extreme of measuring the seat is connected with the upper inner circle fixing base, be connected through the pressure spring between upper inner circle fixing base and the upper spring holder, the floating sleeve is equipped with the upper retainer on the upper inner circle fixing base, the lower terminal surface of upper inner circle fixing base is connected with the upper inner circle clamp plate, it measures the inner circle to have supported between upper inner circle fixing base and the; and measuring heads are movably arranged in the central holes of the measuring seat, the upper inner ring fixing seat and the upper inner ring pressing plate in a penetrating manner, the lower ends of the measuring heads extend out of the upper inner ring pressing plate, and the upper ends of the measuring heads are contacted with sensing heads on the displacement sensor.
Description
Technical Field
The utility model relates to an automobile wheel hub bearing outer flange processing technology field, concretely relates to automobile wheel hub bearing outer flange axial ditch position measuring mechanism.
Background
Along with the increasingly strict requirements of the country on the quality of automobile products and the increasingly high degree of production automation, the requirements of the automobile hub bearing unit assembly production line on the size control of the turning and grinding of the preorder parts are increasingly high, and the size control of the preorder parts seriously influences the assembly production and the quality of the assembly products.
The existing automobile hub bearing unit generally comprises an inner flange, an outer flange, an inner ring, balls and a retainer, wherein the inner ring is sleeved on the inner flange, and the balls are assembled between the inner flange and the outer flange through the retainer. The turning and grinding size control of the automobile hub bearing outer flange part originally adopts radial detection to indirectly control the axial groove size of the outer flange part. But the radial detection operation is more complicated, and is difficult to control, and the qualification rate of product is not high in automobile wheel hub bearing assembly production process, causes a large amount of product dismouting, and some parts are scrapped because of the dismouting, cause a large amount of economic losses.
Disclosure of Invention
To the technical problem that exists at present, the utility model provides an automobile wheel hub bearing outer flange axial position of gully measurement mechanism to solve the problem among the prior art.
In order to achieve the purpose of the invention, the utility model provides the following technical scheme:
an axial groove position measuring mechanism of an automobile hub bearing outer flange comprises a supporting part, wherein the upper end of the supporting part is connected with a measuring upper part, and the measuring upper part can move up and down along the supporting part;
the upper measuring part comprises a supporting plate movably connected to the supporting part, an upper spring seat is arranged on the supporting plate, a measuring seat is movably arranged on the upper spring seat in a penetrating mode along the vertical direction, the upper end of the measuring seat is connected with a measuring head fixing block, a displacement sensor is connected to the measuring head fixing block, the lower end of the measuring seat is connected with an upper inner ring fixing seat, the upper end face of the upper inner ring fixing seat is connected with the lower end face of the upper spring seat through a pressure spring, an upper retainer is sleeved on the upper inner ring fixing seat in a floating mode, an upper inner ring pressing plate is connected to the lower end face of the upper inner ring fixing seat, an upper measuring inner ring is abutted between the upper inner ring fixing seat and the upper inner ring pressing plate, and an upper measuring steel;
and measuring heads are movably arranged in the central holes of the measuring seat, the upper inner ring fixing seat and the upper inner ring pressing plate in a penetrating manner along the vertical direction, the lower ends of the measuring heads extend out of the upper inner ring pressing plate, and the upper ends of the measuring heads are contacted with the sensing heads on the displacement sensor.
Preferably, a first concave cavity is formed between the measuring seat and the measuring head fixing block, a first spring is arranged in the first concave cavity, the upper end of the first spring abuts against the lower end face of the measuring head fixing block, and the lower end of the first spring abuts against the measuring head.
Preferably, the measuring head comprises an upper measuring head and a lower measuring head, the upper measuring head is movably arranged on the measuring seat in a penetrating mode, the lower measuring head is movably arranged on the upper inner ring fixing seat and the upper inner ring pressing plate in a penetrating mode, and the upper end of the lower measuring head extends into the center hole of the measuring seat and then abuts against the lower end of the upper measuring head.
Preferably, a second cavity is defined between the upper end of the upper inner ring fixing seat and the lower end face of the measuring seat, a second spring is installed in the second cavity, the upper end of the second spring abuts against the lower end face of the measuring seat, and the lower end of the second spring abuts against the lower measuring head.
Preferably, the upper inner ring fixing seat is sleeved with an upper plane bearing, the upper plane bearing is connected with the upper retainer through an upper small spring, the upper end of the upper small spring is abutted with the upper plane bearing, and the lower end of the upper small spring is abutted with the upper retainer.
Preferably, the supporting part comprises a lower bottom plate, a vertical plate is arranged on the lower bottom plate along the vertical direction, a driving cylinder is arranged at the upper end of the vertical plate and is arranged along the vertical direction, and the movable end of the driving cylinder is connected with the supporting plate on the upper portion of the measuring device.
Preferably, a linear guide rail is arranged on one side of the vertical plate, which faces to the upper measuring part, in the vertical direction, and the support plate is connected to the linear guide rail in a sliding manner through a sliding block.
Compared with the prior art, the beneficial effects of the utility model are that: adopt the utility model discloses a structure detects wheel hub bearing outer flange axial ditch position distance, realizes the axial ditch position direct measurement of wheel hub bearing outer flange, for the radial measuring mode of tradition, the strict control processing product part size has improved product quality, has guaranteed product quality stability, and it is more convenient to operate, easy control, intensity of labour is also less.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of fig. 1 in an actual use process.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The automobile wheel hub bearing outer flange axial position of ditch measuring mechanism that figure 1 shows, figure 2 is the utility model discloses with the structure sketch map that measures the lower part cooperation and use, including the supporting part, the upper end of this supporting part is equipped with measures upper portion, should measure upper portion and can follow the supporting part activity from top to bottom, is equipped with the measurement lower part at the lower extreme of supporting part, and on this measurement lower part was arranged in to wheel hub bearing outer flange, and should measure the lower part and be located and measure the position under the upper portion.
The supporting part includes the lower plate 11 that sets up along the horizontal direction, be connected with riser 12 along vertical direction on this lower plate 11, cylinder fixed plate 13 is connected to the upper end of this riser 12, it drives actuating cylinder 14 to establish on cylinder fixed plate 13, it sets up along vertical direction to drive actuating cylinder 14, and the expansion end that drives actuating cylinder 14 passes through cylinder joint 15 and is connected with backup pad 2 of measuring upper portion, one side along vertical direction on measuring upper portion is equipped with linear guide 16 on riser 12, backup pad 2 is L type structure, the horizontal segment and the cylinder joint 15 of this L type structure are connected, pass through slider sliding connection on linear guide 16 on its vertical section.
Measure upper portion and include backup pad 2, be equipped with spring holder 3 on the horizontal segment of this backup pad 2, it wears to be equipped with measurement seat 31 along the vertical direction activity on this last spring holder 3, measurement seat 31 and last spring holder 3 are clearance fit, the upper end and the lower extreme of measuring seat 31 all stretch out upper spring holder 3, the upper end of this measurement seat 31 is connected with gauge head fixed block 32, connect displacement sensor 33 on this gauge head fixed block 32, be connected with upper inner circle fixing base 4 at the lower extreme of measuring seat 31, be connected through pressure spring 5 between the up end of this upper inner circle fixing base 4 and the lower terminal surface of last spring holder 3, the cover is equipped with flat face bearing 44 and last holder 45 on the upper inner circle fixing base 4, be connected through last little spring 46 between this upper flat face bearing 44 and the last holder 45, should go up little spring 46's upper end and last flat face bearing 44 butt, its lower extreme and. An upper inner ring pressing plate 48 is connected to the lower end face of the upper inner ring fixing seat 4, an upper measuring inner ring 47 is connected between the upper inner ring fixing seat 4 and the upper inner ring pressing plate 48 in an abutting mode, the upper end face of the upper measuring inner ring 47 abuts against the upper inner ring fixing seat 4, the lower end face of the upper measuring inner ring 47 abuts against the upper inner ring pressing plate 48, and an upper measuring steel ball 49 is movably arranged among the upper retainer 45, the upper measuring inner ring 47 and the upper inner ring pressing plate 48.
The measuring seat 31, the upper inner ring fixing seat 4 and the upper inner ring pressing plate 48 are located on the same straight line, measuring heads are movably arranged in the central holes of the measuring seat 31, the upper inner ring fixing seat 4 and the upper inner ring pressing plate 48 in a penetrating mode along the vertical direction, each measuring head comprises an upper measuring head 34 and a lower measuring head 43, the upper measuring head 34 is movably arranged on the measuring seat 31 in a penetrating mode, the upper end of each measuring head is in contact with a sensing head on the displacement sensor 33, the lower measuring head 43 is movably arranged on the upper inner ring fixing seat 4 and the upper inner ring pressing plate 48 in a penetrating mode, and the upper end of the lower measuring head 43 extends into the central hole of the measuring seat 31 and.
A first concave cavity 35 is formed between the measuring base 31 and the measuring head fixing block 32, a first spring 36 is arranged in the first concave cavity 35, the upper end of the first spring 36 abuts against the lower end face of the measuring head fixing block 32, and the lower end of the first spring abuts against the upper measuring head 34.
A second cavity 41 is defined between the upper end of the upper inner ring fixing seat 4 and the lower end surface of the measuring seat 31, a second spring 42 is installed in the second cavity 41, the upper end of the second spring 42 abuts against the lower end surface of the measuring seat 31, and the lower end thereof abuts against the lower measuring head 43.
The lower measuring head 43 is enabled to be downward all the time under the action of the spring force of the second spring 42, and the steel ball on the lower measuring head 43 is ensured to be always contacted with the alloy block on the lower inner ring pressing plate 67 during measurement; under the action of the spring force of the upper small spring 46, the upper measuring steel ball 49 arranged in the upper retainer 45 always moves towards the axis, so that the upper part of the measurement is ensured to flexibly enter and exit from the upper channel of the outer flange, and the clamping stagnation phenomenon cannot occur; under the action of the spring force of the lower small spring 65, the lower measuring steel ball 68 in the lower retainer 64 always moves towards the axis, so that the lower part of the measuring part is ensured to flexibly enter and exit the lower channel of the outer flange, and the clamping stagnation phenomenon is avoided.
The lower measuring part comprises a motor base 6 connected to a lower bottom plate 11 through an upright post 9, the motor base 6 is parallel to the horizontal plane, a bearing shaft 61 is connected to the motor base 6, the axial lead of the bearing shaft 61 is perpendicular to the horizontal plane, a rolling bearing 74 is sleeved on the bearing shaft 61, a driven gear 73 is sleeved on the outer ring of the rolling bearing 74, the driven gear 73 is meshed with a driving gear 72, the driving gear 72 is driven by a motor 71, and the motor 71 is connected to the motor base 6.
A lower inner race positioning seat 62 is connected to an upper end of the bearing shaft 61, a lower flat bearing 63 and a lower retainer 64 are fitted over the lower inner race positioning seat 62, the lower flat bearing 63 and the lower retainer 64 are connected by a lower small spring 65, an upper end of the lower small spring 65 abuts against the lower retainer 64, and a lower end thereof abuts against the lower flat bearing 63. The upper end of the lower inner ring positioning seat 62 is connected with a lower inner ring pressing plate 67, a lower measuring inner ring 66 is connected between the lower inner ring pressing plate 67 and the lower inner ring positioning seat 62 in a butting manner, the lower end of the lower measuring inner ring 66 is abutted against the lower inner ring positioning seat 62, the upper end of the lower measuring inner ring 66 is abutted against the lower inner ring pressing plate 67, and a lower measuring steel ball 68 is movably arranged among the lower retainer 64, the lower measuring inner ring 66 and the lower inner ring pressing plate 67. The axial leads of the lower inner ring positioning seat 62 and the upper inner ring fixing seat 4 are located on the same straight line.
The upper end face of the driven gear 73 is connected with a bearing upper pressure plate 75, the lower end face of the bearing upper pressure plate 75 is abutted against the upper end face of the rolling bearing 74, a position on the bearing upper pressure plate 75 close to the periphery of the bearing upper pressure plate is connected with a limit plate 76, and the lower inner ring positioning seat 62, the lower plane bearing 63, the lower retainer 64, the small spring connection 65, the lower measuring inner ring 66, the lower inner ring pressure plate 67 and the lower measuring steel ball 68 are positioned in a space surrounded by the limit plate 76. Bearing top board 75 is still connected with spacing seat 77 through last top pressure spring 79, should go up top pressure spring 79's upper end and this spacing seat 77 butt, its lower extreme and bearing top board 75 butt, be connected with positioning disk 78 on this spacing seat 77's the up end, spacing seat 77's outer lane contacts with the inner circle of limiting plate 76, and this spacing seat 77's up end can support the upper end corner at limiting plate 76, spacing seat 77 is L type structure, be connected with uide pin 8 on this L type structure's the vertical section, be equipped with the guide way along vertical direction on the limiting plate 76, spacing seat 77 removes in-process uide pin 8 and reciprocates along this guide way.
In order to ensure the repeatability detection precision during measurement, alloy blocks with high wear resistance are embedded on the upper measuring head 34, the lower measuring head 43 and the lower inner ring pressing plate 67.
The utility model discloses a principle and measurement process as follows:
an outer flange of a bearing of an automobile hub is placed on a positioning disc 78 at the lower part of measurement, a control signal is sent, a driving cylinder 14 drives the upper part of measurement to move downwards along a vertical plate 12, when an upper measuring steel ball 49 in an upper retainer 45 is tightly attached to an upper channel of the outer flange of the bearing, the driving cylinder 14 continues to press the outer flange to move downwards until the lower channel of the outer flange is contacted with and tightly attached to a lower measuring steel ball 68, and the outer flange continues to move downwards to a proper position, namely when the upper measuring steel ball 49 is tightly contacted with an upper measuring inner ring 47, the lower measuring steel ball 68 is tightly contacted with a lower measuring inner ring 66, a measuring seat 31 is in clearance fit with an upper spring seat 3, and the; the driving cylinder 14 is an adjustable stroke cylinder, so that the compression length of the compression spring 5 is the same during each measurement, and the pressure for measuring and pressurizing is consistent.
Starting the motor 1, driving the gear 72 to drive the driven gear 73, the rolling bearing 74, the bearing upper pressure plate 75, the limiting plate 76, the limiting seat 77, the upper pushing pressure spring 79, the outer flange and the positioning disc 78 to rotate together by taking the upper inner ring fixing seat 4 and the lower inner ring positioning seat 62 as shafts, wherein in the rotating process, the upper measuring head 34 and the lower measuring head 43 can move up and down, and the lower end of the upper measuring head 34 is tightly attached to the upper end of the lower measuring head 43 under the action of the spring force of the first spring 36; the lower probe 43 is pressed against the alloy block on the lower inner ring pressure plate 67 by the spring force of the second spring 42, the upper probe 34 and the lower probe 43 only slightly move up and down without rotation, the displacement sensor 33 measures the amount of change in the vertical slight movement of the upper probe 34 and the lower probe 43 at a plurality of points in one rotation of the outer flange, collects data of the amount of change in the vertical slight movement of the plurality of points, and calculates the average value of the data, which is the groove distance of the outer flange. After the data acquisition and analysis are finished, the motor 71 stops rotating, the air cylinder 14 is driven to return to move upwards, the outer flange, the limiting seat 77, the positioning disc 78 and the like are quickly reset under the action of the spring force of the upper top pressure spring 79, and the outer flange is taken out to finish the measurement.
The foregoing describes preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. The utility model provides an automobile wheel hub bearing outer flange axial position of ditch measuring mechanism which characterized in that: the device comprises a supporting part, wherein the upper end of the supporting part is connected with a measuring upper part which can move up and down along the supporting part;
the upper measuring part comprises a supporting plate (2) movably connected to the supporting part, an upper spring seat (3) is arranged on the supporting plate (2), a measuring seat (31) is movably arranged on the upper spring seat (3) in a penetrating mode along the vertical direction, a measuring head fixing block (32) is connected to the upper end of the measuring seat (31), a displacement sensor (33) is connected to the measuring head fixing block (32), an upper inner ring fixing seat (4) is connected to the lower end of the measuring seat (31), the upper end face of the upper inner ring fixing seat (4) is connected with the lower end face of the upper spring seat (3) through a pressure spring (5), an upper measuring inner ring (47) is movably sleeved on the upper inner ring fixing seat (4), an upper inner ring pressing plate (48) is connected to the lower end face of the upper inner ring fixing seat (4), and an upper measuring inner ring (47) is abutted between the upper inner ring, an upper measuring steel ball (49) is movably arranged among the upper retainer (45), the upper measuring inner ring (47) and the upper inner ring pressure plate (48);
and measuring heads are movably arranged in the central holes of the measuring seat (31), the upper inner ring fixing seat (4) and the upper inner ring pressing plate (48) in a penetrating manner along the vertical direction, the lower ends of the measuring heads extend out of the upper inner ring pressing plate (48), and the upper ends of the measuring heads are contacted with the sensing heads on the displacement sensor (33).
2. The automobile hub bearing outer flange axial groove position measuring mechanism of claim 1, characterized in that: a first concave cavity (35) is formed between the measuring seat (31) and the measuring head fixing block (32), a first spring (36) is arranged in the first concave cavity (35), the upper end of the first spring (36) is abutted against the lower end face of the measuring head fixing block (32), and the lower end of the first spring is abutted against the measuring head.
3. The automobile hub bearing outer flange axial groove position measuring mechanism of claim 2, characterized in that: the measuring head comprises an upper measuring head (34) and a lower measuring head (43), the upper measuring head (34) is movably arranged on the measuring seat (31) in a penetrating mode, the lower measuring head (43) is movably arranged on the upper inner ring fixing seat (4) and the upper inner ring pressing plate (48) in a penetrating mode, and the upper end of the lower measuring head (43) extends into a center hole of the measuring seat (31) and then abuts against the lower end of the upper measuring head (34).
4. The automobile hub bearing outer flange axial groove position measuring mechanism of claim 3, characterized in that: a second cavity (41) is defined between the upper end of the upper inner ring fixing seat (4) and the lower end face of the measuring seat (31), a second spring (42) is installed in the second cavity (41), the upper end of the second spring (42) abuts against the lower end face of the measuring seat (31), and the lower end of the second spring (42) abuts against the lower measuring head (43).
5. The automobile hub bearing outer flange axial groove position measuring mechanism of any one of claims 1-4, characterized in that: an upper plane bearing (44) is sleeved on the upper inner ring fixing seat (4), the upper plane bearing (44) is connected with the upper retainer (45) through an upper small spring (46), the upper end of the upper small spring (46) is abutted against the upper plane bearing (44), and the lower end of the upper small spring is abutted against the upper retainer (45).
6. The automobile hub bearing outer flange axial groove position measuring mechanism of claim 5, characterized in that: the supporting part comprises a lower bottom plate (11), a vertical plate (12) is arranged on the lower bottom plate (11) in the vertical direction, a driving cylinder (14) is arranged at the upper end of the vertical plate (12), the driving cylinder (14) is arranged in the vertical direction, and the movable end of the driving cylinder (14) is connected with a supporting plate (2) on the upper portion of the measuring part.
7. The automobile hub bearing outer flange axial groove position measuring mechanism of claim 6, characterized in that: a linear guide rail (16) is arranged on one side of the vertical plate (12) facing to the upper part of the measurement part along the vertical direction, and the support plate (2) is connected to the linear guide rail (16) in a sliding mode through a sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897188.1U CN212482433U (en) | 2020-09-02 | 2020-09-02 | Automobile wheel hub bearing outer flange axial ditch position measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897188.1U CN212482433U (en) | 2020-09-02 | 2020-09-02 | Automobile wheel hub bearing outer flange axial ditch position measuring mechanism |
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| Publication Number | Publication Date |
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| CN212482433U true CN212482433U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021897188.1U Active CN212482433U (en) | 2020-09-02 | 2020-09-02 | Automobile wheel hub bearing outer flange axial ditch position measuring mechanism |
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| CN (1) | CN212482433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887918A (en) * | 2022-04-28 | 2022-08-12 | 人本股份有限公司 | Wheel hub bearing outer flange ditch position detection device |
-
2020
- 2020-09-02 CN CN202021897188.1U patent/CN212482433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887918A (en) * | 2022-04-28 | 2022-08-12 | 人本股份有限公司 | Wheel hub bearing outer flange ditch position detection device |
| CN114887918B (en) * | 2022-04-28 | 2023-10-10 | 人本股份有限公司 | Hub bearing outer flange ditch position detection device |
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