CN108917521B - Bearing pedestal threaded hole position degree detection device - Google Patents
Bearing pedestal threaded hole position degree detection device Download PDFInfo
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- CN108917521B CN108917521B CN201810549558.3A CN201810549558A CN108917521B CN 108917521 B CN108917521 B CN 108917521B CN 201810549558 A CN201810549558 A CN 201810549558A CN 108917521 B CN108917521 B CN 108917521B
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- bearing seat
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- 238000001514 detection method Methods 0.000 title claims abstract description 76
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title description 2
- 238000003825 pressing Methods 0.000 claims description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a bearing seat threaded hole position degree detection device which comprises a positioning assembly used for installing a positioning bearing seat and a detection assembly correspondingly arranged above the positioning assembly and used for detecting the position degree of a bearing seat threaded hole on the positioning assembly. The bearing seat threaded hole position degree detection device can accurately detect the position degree of the bearing seat threaded hole through the mutual matching of the positioning component and the detection component, has higher automation degree and high detection precision, greatly reduces the labor force of workers and reduces the production cost.
Description
Technical field:
the invention relates to the field of bearing detection equipment, in particular to a position degree detection device for a bearing threaded hole.
The background technology is as follows:
in the production process of the bearing seat, in order to ensure the qualification rate of products, the position degree of the threaded hole of the bearing seat is often required to be detected. In the prior art, the position degree detection of the bearing seat threaded hole is generally carried out manually through a simple measuring gauge, a large amount of labor force is required by workers, the detection precision is poor, the production cost of enterprises is increased, and moreover, the mixture of inferior products into qualified products still cannot be avoided.
The invention comprises the following steps:
aiming at the defects of the prior art, the invention provides the bearing seat threaded hole position detection device which is simple to operate, high in automation degree and high in measurement precision, can effectively reduce the defective rate and prevent the bearing seat from being damaged in the detection process.
The invention is realized by the following technical scheme: the utility model provides a bearing frame screw hole position degree detection device, is used for detecting the detection subassembly of the bearing frame screw hole position degree on the locating component including the locating component that is used for installing the locating bearing frame and corresponds the setting in locating component top.
First, the problem of positioning the bearing housing is to be considered. In the prior art, when the bearing seat is detected, a fixing mechanism is generally arranged to clamp the bearing seat, so that the bearing seat is prevented from moving in the detection process, and then the automatic or manual measurement is carried out through a special detection tool. This process is highly demanding for the operator, requires very accurate positioning, and if the positioning deviates, it tends to affect the detection accuracy. In addition, this operation process not only affects the detection efficiency, but also easily damages the screw hole because it has to be manually operated.
Therefore, how to design a positioning assembly is convenient for operators to operate, has high positioning precision, and can realize automatic position adjustment.
The invention designs a special positioning assembly, which comprises a bottom frame, a positioning seat, a jacking cylinder, a linear guide shaft, a rotating assembly and a proximity switch assembly, wherein the positioning seat is fixed at the top end of the bottom frame, a first guide pin corresponding to a threaded hole of a bearing seat is fixed at the top end of the positioning seat, a hollow inner cavity is formed in the positioning seat, the jacking cylinder is fixed in the bottom frame, the bottom end of the linear guide shaft is fixedly connected with a telescopic rod of the jacking cylinder, the top end of the linear guide shaft extends out of the positioning seat, a bearing seat positioning table is fixed at the top end of the linear guide shaft, the jacking cylinder can drive the linear guide shaft to move up and down, the rotating assembly is fixed in the bottom frame and connected with the linear guide shaft, the rotating assembly can drive the linear guide shaft to rotate, and the proximity switch assembly is fixed at the top end of the bottom frame and correspondingly arranged at one side of the bearing seat positioning table.
Second, the question of how to detect is considered. Some detection devices in the prior art adopt a bearing seat to be fixed, and then a detection head is manually operated or automatically operated to move for detection. This requires a complex driving mechanism to drive the test head up and down, and also requires accurate adjustment of its up and down height and speed, which also has certain errors in the actual test process.
Therefore, how to design a detection assembly, and to match the positioning assembly, so as to prevent errors and avoid crashing the bearing seat is another technical problem to be solved by the invention.
The invention designs a special detection assembly, which comprises a mounting frame, an air cylinder, a lifting guide rail, a sliding plate, a supporting block and a detection head, wherein the lifting guide rail is fixed on the mounting frame, the sliding plate is arranged on the lifting guide rail, the sliding plate can slide up and down along the lifting guide rail, the detection head is fixed on the sliding plate, a second guide pin corresponding to a threaded hole of a bearing seat is fixed on the detection head, the supporting block is fixed on the mounting frame, the supporting block is connected with the air cylinder, the air cylinder can drive the supporting block to move up and down, and a supporting part for limiting the sliding plate to slide down along the lifting guide rail is arranged at the bottom end of the supporting block.
In addition, because the detection component and the positioning component are mutually matched up and down, the concentricity problem of the detection head and the bearing positioning table is related, and in fact, the concentricity of the detection head and the bearing seat positioning table on the positioning component cannot be ensured to be completely consistent. In the prior art, the situation of non-concentricity often occurs, if the bearing seat is slightly positioned in a deviation manner, accurate detection cannot be performed, the system automatically reports that the detection is unqualified, and in fact, the workpiece is qualified. In addition, when the detection head is sleeved on the bearing seat, due to the action of force, the linear guide shaft can incline to a certain degree, so that the phenomenon of clamping occurs.
Therefore, the invention designs a special center positioning mechanism, and even if the detection head and the bearing positioning table are not concentric, the detection precision can be ensured. The detection head is fixedly connected with the sliding plate through a central positioning mechanism, the central positioning mechanism comprises an upper pressing block, a lower pressing block, a transition block and a central positioning block, the bottom end of the central positioning block is fixedly connected with the detection head, the top end of the central positioning block is connected with the transition block and can slide along the transition block, one end of the central positioning block is provided with an air pipe joint, the lower pressing block is fixed on the transition block, the top end of the lower pressing block is provided with a groove, a steel ball is arranged in the groove, the top end of the steel ball is exposed out of the groove, the upper pressing block is correspondingly arranged above the lower pressing block, the upper pressing block is movably connected with the lower pressing block through a step screw, a conical surface groove matched with the steel ball is formed in the bottom end of the upper pressing block, and the lower pressing block can move up and down along the step screw so as to press or loosen the steel ball in the groove.
In order to adjust the movable angle (swing angle with the steel ball as the center) of the detection head, the upper end face of the lower pressing block is fixed with a gap adjusting gasket, and the gap adjusting gasket is sleeved outside the steel ball and corresponds to the lower end face of the upper pressing block.
Because the bearing frame locating platform is movable mechanism, in order to make proximity switch can with its ingenious cooperation, prevent to take place to interfere, proximity switch subassembly includes slip table cylinder, slip table and proximity switch, the slip table cylinder is fixed on the chassis top, proximity switch fixes on the slip table, and slip table cylinder can drive slip table horizontal migration so that proximity switch is close to or keeps away from the screw hole of bearing frame.
Because the first guide pin is inserted into the threaded hole of the bearing seat, the position degree of the threaded hole cannot be completely determined to be qualified, and in order to further ensure the detection precision, the detection head is provided with a guide groove corresponding to the first guide pin.
In order to facilitate the rotation and positioning of the driving shaft bearing positioning table, the rotating assembly comprises a stepping motor and a transmission gear, and the stepping motor can drive the linear guide shaft to rotate through the transmission gear.
The beneficial effects of the invention are as follows: the bearing seat threaded hole position degree detection device can accurately detect the position degree of the bearing seat threaded hole through the mutual matching of the positioning component and the detection component, has higher automation degree and high detection precision, greatly reduces the labor force of workers and reduces the production cost.
Description of the drawings:
FIG. 1 is a schematic diagram of a device for detecting the position of a threaded hole of a bearing seat;
fig. 2 is a schematic structural view of the centering mechanism of the present invention.
The specific embodiment is as follows:
the preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention. The directional terms referred to in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer only to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the invention and is not limiting of the invention.
As shown in fig. 1, the device for detecting the position of the threaded hole of the bearing seat comprises a positioning assembly for installing and positioning the bearing seat 9 and a detection assembly correspondingly arranged above the positioning assembly and used for detecting the position of the threaded hole 8 of the bearing seat 9 on the positioning assembly.
The positioning assembly comprises a bottom frame 2, a positioning seat 5, a jacking cylinder 1, a linear guide shaft 6, a rotating assembly and a proximity switch assembly, wherein the positioning seat 5 is fixed at the top end of the bottom frame 2, a first guide pin 12 corresponding to a threaded hole 8 of a bearing seat 9 is fixed at the top end of the positioning seat 5, a plurality of first guide pins 12 can be arranged according to the number of the threaded holes 8 of the bearing seat 9, a hollow inner cavity is formed in the positioning seat 5, the jacking cylinder 1 is fixed in the bottom frame 2, the bottom end of the linear guide shaft 6 is fixedly connected with a telescopic rod of the jacking cylinder 1, the top end of the linear guide shaft 6 extends out of the positioning seat 5, a bearing seat positioning table 7 is fixed at the top end of the linear guide shaft 6, the jacking cylinder 1 can drive the linear guide shaft 6 to move up and down, the rotating assembly is fixed in the bottom frame 2, the rotating assembly comprises a stepping motor 3 and a transmission gear 4, the stepping motor 3 can drive the linear guide shaft 6 to rotate through the transmission gear 4, the proximity switch assembly is fixed at the top end of the bottom frame 2, the proximity switch assembly is correspondingly arranged at one side of the bearing seat positioning table 7, the proximity switch assembly comprises sliding tables 10 and 11 and a proximity switch 13, the sliding table 10 and the sliding table 13 can be fixed at the top end of the bottom frame 2 or the sliding table 10 and can be driven to move close to the sliding table 11 or the sliding table 11 to the sliding table 11.
The detection assembly comprises a mounting frame 25, a rodless cylinder 23, a lifting guide rail 21, a sliding plate 22, a supporting block 19 and a detection head 15, wherein the lifting guide rail 21 is fixed on the mounting frame 25, the sliding plate 22 is arranged on the lifting guide rail 21, the sliding plate 22 can slide up and down along the lifting guide rail 21, the detection head 15 is fixed on the sliding plate 22, a second guide pin 16 corresponding to a threaded hole 8 of the bearing seat 9 is fixed on the detection head 15, a guide groove 14 corresponding to the first guide pin 12 is formed in the detection head 15, the detection head 15 can be sleeved with the whole bearing seat 9, a plurality of second guide pins 16 can be arranged according to the number of threaded holes 8 of the bearing seat 9, the supporting block 19 is fixed on the mounting frame 25, the supporting block 19 is connected with the rodless cylinder 23, the rodless cylinder 23 can drive the supporting block 19 to move up and down along a screw rod 24, the bottom end of the supporting block 19 is provided with a supporting part 20 for limiting the sliding plate 22 to slide down along the lifting guide rail 21, the position of the supporting part 20 can be adjusted by the supporting block 19, and the position of the supporting block 19 is further fixed on the mounting frame 25 through the supporting block 19, and a proximity switch 18 for sensing the position of the detection head 15 is also fixed on the detection head 25.
As shown in fig. 2, the detecting head 15 is fixedly connected with the sliding plate 22 through the central positioning mechanism 17, the central positioning mechanism comprises an upper pressing block 171, a lower pressing block 176, a transition block 177 and a central positioning block 178, the bottom end of the central positioning block 178 is fixedly connected with the detecting head 15, the top end of the central positioning block 178 is connected with the transition block 177, the central positioning block 178 can slide along the X-axis direction or the Y-axis direction of the transition block 177, the range is about 5mm, the problem of low cost in the center is solved, one end of the central positioning block 178 is provided with an air pipe joint 179, the lower pressing block 176 is fixed on the transition block 177, the top end of the lower pressing block 176 is provided with a groove, a steel ball 175 is arranged in the groove, the top end of the steel ball 175 is exposed out of the groove, the upper pressing block 171 is correspondingly arranged above the lower pressing block 176, the upper pressing block 171 is movably connected with the lower pressing block 176 through a step screw 173, the bottom end of the upper pressing block 171 is provided with a conical surface groove 172 matched with the steel ball 175, the lower pressing block 176 can move up and down along the step screw 173 so as to press or loosen the steel ball 175 in the groove, the upper pressing block 176 is fixedly provided with a gap adjusting gasket 174, the upper end face of the lower pressing block 176 is provided with a gap adjusting gasket 174, the gap is correspondingly adjusted by the upper pressing block 15, and the gap adjusting gasket is correspondingly adjusted by the gap adjusting the gap 15, and the thickness is correspondingly adjusted by the swing angle of the upper pressing head 15.
During detection, only the bearing seat 9 is placed on the bearing seat positioning table 7, the control switch is turned on, the proximity switch 13 gradually moves to the position below the bearing seat 9, the stepping motor 3 drives the linear guide shaft 6 to rotate through the transmission gear 4, when the proximity switch 13 and one threaded hole 8 of the bearing seat 9 are positioned on the same straight line, the linear guide shaft 6 stops rotating, the jacking cylinder 1 drives the bearing seat 9 to descend, one or more first guide pins 12 on the positioning seat 5 are inserted into the threaded hole 8 of the bearing seat 9 to finish preliminary positioning, at the moment, the rodless cylinder 23 drives the supporting block 19 to descend, the detection head 15 also gradually descends along the guide rail 21 due to the action of gravity, if the position of the threaded hole 8 of the bearing seat 9 is qualified, one or more second guide pins 16 on the detection head 15 can be accurately inserted into the threaded hole 8 of the bearing seat 9, and the first guide pins 12 on the positioning seat 5 can also be inserted into the guide grooves 14 on the detection head 15, and the detection result is qualified; if the threaded hole 8 of the bearing seat 9 is unqualified, one or more second guide pins 16 on the detection head 15 cannot be inserted into the threaded hole 8 of the bearing seat 9, or the first guide pins 12 on the positioning seat 5 cannot be inserted into the guide grooves 14 on the detection head 15, at this time, even if the rodless cylinder 23 drives the supporting block 19 to descend, the detection head 15 cannot descend due to being supported, so that the bearing seat 9 is prevented from being crushed, the system gives an alarm, and the detection result is unqualified; if the second guide pin 16 is slightly deviated from the threaded hole 8 of the bearing seat 9 due to positioning problem or concentricity problem, due to the central positioning mechanism, when the second guide pin 16 does not accurately enter the threaded hole 8 and is pressed by the end face of the bearing seat 9, the lower pressing block 176 is pressed by the pressure and the upper pressing block 171 to press the steel ball 175, the central positioning block 178 slides along the transition block 177 due to the action of the force, so as to drive the detection head 15 to move to a certain extent, the second guide pin 16 on the detection head 15 can be inserted into the threaded hole 8, and the first guide pin 12 on the positioning seat 5 can also be inserted into the guide groove 14 on the detection head 15, and at the moment, the air is inflated into the central positioning block 178 through the air pipe joint 179 to automatically return to the center, so that the concentricity of the linear guide shaft 6 and the detection head 15 is adjusted.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (3)
1. The utility model provides a bearing frame screw hole position degree detection device which characterized in that: the device comprises a positioning assembly for installing a positioning bearing seat and a detection assembly correspondingly arranged above the positioning assembly and used for detecting the position degree of a bearing seat threaded hole on the positioning assembly;
the positioning assembly comprises a bottom frame, a positioning seat, a jacking cylinder, a linear guide shaft, a rotating assembly and a proximity switch assembly, wherein the positioning seat is fixed at the top end of the bottom frame, a first guide pin corresponding to a threaded hole of a bearing seat is fixed at the top end of the positioning seat, a hollow inner cavity is formed in the positioning seat, the jacking cylinder is fixed in the bottom frame, the bottom end of the linear guide shaft is fixedly connected with a telescopic rod of the jacking cylinder, the top end of the linear guide shaft extends out of the positioning seat, a bearing seat positioning table is fixed at the top end of the linear guide shaft, the jacking cylinder can drive the linear guide shaft to move up and down, the rotating assembly is fixed in the bottom frame, the rotating assembly is connected with the linear guide shaft, the rotating assembly can drive the linear guide shaft to rotate, the proximity switch assembly is fixed at the top end of the bottom frame, and the proximity switch assembly is correspondingly arranged at one side of the bearing seat positioning table;
the detection assembly comprises a mounting frame, an air cylinder, a lifting guide rail, a sliding plate, a supporting block and a detection head, wherein the lifting guide rail is fixed on the mounting frame, the sliding plate is arranged on the lifting guide rail and can slide up and down along the lifting guide rail, the detection head is fixed on the sliding plate, a second guide pin corresponding to a threaded hole of a bearing seat is fixed on the detection head, the supporting block is fixed on the mounting frame and connected with the air cylinder, the air cylinder can drive the supporting block to move up and down, and a supporting part for limiting the sliding plate to slide down along the lifting guide rail is arranged at the bottom end of the supporting block;
the detection head is fixedly connected with the sliding plate through a central positioning mechanism, the central positioning mechanism comprises an upper pressing block, a lower pressing block, a transition block and a central positioning block, the bottom end of the central positioning block is fixedly connected with the detection head, the top end of the central positioning block is connected with the transition block and can slide along the transition block, one end of the central positioning block is provided with an air pipe joint, the lower pressing block is fixed on the transition block, the top end of the lower pressing block is provided with a groove, a steel ball is arranged in the groove, the top end of the steel ball is exposed out of the groove, the upper pressing block is correspondingly arranged above the lower pressing block, the upper pressing block is movably connected with the lower pressing block through a step screw, a conical surface groove matched with the steel ball is formed in the bottom end of the upper pressing block, and the lower pressing block can move up and down along the step screw so as to press or loosen the steel ball in the groove;
the rotating assembly comprises a stepping motor and a transmission gear, and the stepping motor can drive the linear guide shaft to rotate through the transmission gear;
the proximity switch assembly comprises a sliding table cylinder, a sliding table and a proximity switch, wherein the sliding table cylinder is fixed at the top end of the bottom frame, the proximity switch is fixed on the sliding table, and the sliding table cylinder can drive the sliding table to horizontally move so that the proximity switch is close to or far away from a threaded hole of the bearing seat.
2. The bearing housing threaded bore position degree detection device according to claim 1, wherein: the upper end face of the lower pressing block is fixed with a gap adjusting gasket, and the gap adjusting gasket is sleeved outside the steel ball and corresponds to the lower end face of the upper pressing block.
3. The bearing housing threaded bore position degree detection device according to claim 1, wherein: the detection head is provided with a guide groove corresponding to the first guide pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549558.3A CN108917521B (en) | 2018-05-31 | 2018-05-31 | Bearing pedestal threaded hole position degree detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549558.3A CN108917521B (en) | 2018-05-31 | 2018-05-31 | Bearing pedestal threaded hole position degree detection device |
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| Publication Number | Publication Date |
|---|---|
| CN108917521A CN108917521A (en) | 2018-11-30 |
| CN108917521B true CN108917521B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810549558.3A Active CN108917521B (en) | 2018-05-31 | 2018-05-31 | Bearing pedestal threaded hole position degree detection device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443168B (en) * | 2018-12-11 | 2021-02-26 | 江苏雨顺自动化科技有限公司 | Hole position degree sliding detection tool with good wear resistance |
| CN110514146B (en) * | 2019-07-31 | 2021-05-18 | 江苏理工学院 | Gauge for detecting verticality and parallelism precision of middle-large vertical bearing seat hole |
| CN116026274B (en) * | 2023-03-29 | 2023-05-30 | 济南宝山石油设备有限公司 | Valve seat size automatic checkout device |
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| CN108917521A (en) | 2018-11-30 |
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