CN210165886U - Be used for interior circle to detect monitor device - Google Patents
Be used for interior circle to detect monitor device Download PDFInfo
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- CN210165886U CN210165886U CN201921272925.6U CN201921272925U CN210165886U CN 210165886 U CN210165886 U CN 210165886U CN 201921272925 U CN201921272925 U CN 201921272925U CN 210165886 U CN210165886 U CN 210165886U
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Abstract
The utility model discloses a monitor device for inner circle detection, which comprises a detection box and a detection head, wherein the detection head comprises two symmetrically arranged cylinders, the ends of the two cylinders, which are close to the detection box, are respectively connected with a slide bar, the other ends of the two slide bars are respectively fixed with a conductive block and extend into the detection box, the sides of the two slide bars are connected with a reset device, a detection circuit and an analog-to-digital converter electrically connected with the detection circuit are arranged in the detection box, a variable resistor is arranged on the detection circuit, and the bottoms of the two slide bars are electrically connected with the variable resistor; this be used for interior circle to detect monitor device, during the detection, inside two cylinders that will detect the head arranged bearing ring in between, utilize resetting means to realize two columniform reseing, realize the support to the lasso internal diameter, be about to the resistance value change that lasso internal diameter length turned into variable resistor, through electricity calculation and digital-analog conversion, with the final direct diameter reading of display on the display screen of lasso internal diameter length, error that can effectual reduction manual operation caused.
Description
Technical Field
The utility model belongs to circle detection area in the bearing ring, more specifically the utility model relates to a be used for interior circle to detect monitor device that says so.
Background
The bearing ring is an annular part of a radial rolling bearing with one or several raceways. After the ferrule is manufactured, detection is required, and the existing detection method is as follows:
firstly, the bearing ring is placed on a conveying belt, and the bearing ring stops at the workpiece automatic detection position through the conveying belt. Then, the mechanical arm clamps a ferrule and sends the ferrule to a first size detection position, the inside and outside diameters of the ferrule are detected, after the detection is finished, the workpiece is sent to a second workpiece detection position to detect the front end face, the mechanical arm continues to clamp the next workpiece to perform size detection, and then the first workpiece is placed at a workpiece overturning position to be overturned. And after the end face of the first workpiece is turned over, performing reverse end face detection, after the detection is finished, performing surface defect detection on the bearing ring, and after all the working procedures are detected, automatically sorting qualified bearing rings and unqualified bearing rings.
The detection method is complete and comprehensive, but the required equipment is complex and the detection cost is high. As is well known, most of domestic bearing manufacturers are small and medium-sized enterprises and are incapable of purchasing expensive detection equipment. In order to save cost, the prior art generally adopts a vernier caliper to detect when detecting the inner diameter of the bearing, and although the cost is low, the efficiency is low, and human errors exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for interior circle to detect monitor device, utilize the detection head that can stretch out and draw back automatically to carry out the automated inspection to the circle in the bearing ring circle, and the data that detects can directly read, easy operation, it is quick to detect, and can effectual reduction human error.
The utility model discloses technical scheme a be used for interior circle to detect monitor device, including detecting the box and detecting the head, it includes the cylinder that the bisymmetry set up, two to detect the head the cylinder is close to the tip that detects the box and is connected with the slide bar respectively, two in the slide bar other end is fixed with the conducting block respectively and stretches into the detection box, two slide bar sides are connected with resetting means, be provided with detection circuitry in the detection box and the analog to digital converter who is connected with the detection circuitry electricity, be provided with variable resistor, two on the detection circuitry slide bar bottom and variable resistor electric connection.
Preferably, the variable resistor comprises a linear variable resistor, all resistors of the linear variable resistor are connected into the detection circuit, and meanwhile, the resistors between the two ends of the linear variable resistor and the adjacent sliding rods are connected into the detection circuit through the conductive blocks at the ends of the sliding rods.
Preferably, a guide rod is fixed on the linear variable resistor, the guide rod and the linear variable resistor are insulated, the two sliding rods are sleeved on the guide rod, and the conductive blocks at the end parts of the two sliding rods are electrically conducted with the guide rod.
Preferably, the reset device comprises reset springs respectively connected to the two sliding rods, and the other ends of the reset springs are fixed to the inner wall of the detection box.
Preferably, coaxial cylinder holes are respectively formed in the two cylinders, shafts respectively penetrate through the two cylinder holes, and the shafts are fixedly connected with the sliding rod.
Preferably, the two shafts and the cylindrical hole are in tolerance fit by H7/G6 or H7/G6.
Preferably, one side face of each of the two detection boxes is provided with a long circular hole, and the two sliding rods extend out of the long circular holes.
Preferably, two be provided with display screen and switch on the detection box, adc and display screen electric connection.
The utility model discloses technical scheme's beneficial effect is:
the utility model discloses a be used for interior circle to detect monitor device, during the detection, inside bearing ring was arranged in to two cylinders that will detect the head between, utilize resetting means to realize two columniform reseing, realize the support to the lasso internal diameter, the resistance value that is about to lasso internal diameter length and turns into variable resistor changes, through electricity calculation and digital-analog conversion, with the final direct diameter reading that shows of lasso internal diameter length on the display screen, easy operation, it is quick to detect, the error that can effectual reduction manual operation causes.
Drawings
FIG. 1 is an external schematic view of an internal circle detection monitor device according to the technical solution of the present invention,
FIG. 2 is a schematic diagram of the internal structure of a monitor device for internal circle detection,
fig. 3 is a schematic diagram of the principle of the inner circle detection monitor device during detection.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
As shown in fig. 1 and 2, a monitor device for internal circle detection comprises a detection box 1 and a detection head, wherein the detection head comprises two cylinders 4 symmetrically arranged, two ends of the cylinders 4, which are close to the detection box 1, are respectively connected with a slide rod 9, two ends of the slide rods 9 are respectively fixed with a conductive block 11 and extend into the detection box 1, the side surfaces of the two slide rods 9 are connected with a reset device 10, a detection circuit 7 and an analog-to-digital converter 6 electrically connected with the detection circuit 7 are arranged in the detection box 1, a variable resistor is arranged on the detection circuit 7, and the bottoms of the slide rods 9 are electrically connected with the variable resistor.
Based on the technical scheme, when the inner diameter of the inner circle of the bearing ring is detected, the two cylinders 4 are arranged in the bearing ring, so that the two cylinders 4 are expanded under the action of the reset device 10 and tightly prop against the inner wall of the bearing ring 01, the length of the inner diameter of the bearing ring 01 is converted into a resistance change value of the variable resistor, the resistance change value of the variable resistor is converted into a readable length value of the inner diameter of the bearing ring 01 through the detection circuit 7 and the analog-to-digital converter 6, and the readable length value is directly read out on a display screen on the detection box 1. The detection operation method of the device is simple and rapid, manual adjustment of the vernier caliper is avoided, and errors caused by manual operation are reduced.
As shown in fig. 2 and fig. 3, the variable resistor includes a linear variable resistor 13, all resistance values of the linear variable resistor 13 are connected to the detection circuit 7, and simultaneously, the resistance values between two ends of the linear variable resistor 13 and the adjacent slide bars 9 are connected to the detection circuit through the conductive blocks 11 at the ends of the slide bars 9.
In the above technical solution, the resistance value of the detection circuit is always connected to all the resistance values of the linear variable resistor 13, and the resistance value is fixed. Also connected to the detection circuit 7 is the resistance between the two ends of the linear variable resistor 13 and the abutting slide bar 9, while the resistance between the two ends of the linear variable resistor 13 and the abutting slide bar 9 is variable due to the sliding of the slide bar 9. The variable resistance and the fixed resistance are connected in parallel in the detection circuit 7, in this case, the current on the detection circuit 7 is changed through the change of the resistance, and the analog-to-digital converter 6 converts the current value into a readable length value of the inner diameter of the bearing ring 01.
As shown in fig. 2, a guide rod 12 is fixed on the linear variable resistor 13, the guide rod 12 is insulated from the linear variable resistor 13, the two sliding rods 9 are sleeved on the guide rod 12, and the conductive blocks 11 at the ends of the two sliding rods 9 are electrically conducted with the guide rod 12.
Based on the technical scheme, the structure is designed, on one hand, the sliding rod 9 can slide along with the movement of the cylinder 4 conveniently, and the balance of the sliding rod 9 is kept. On the other hand, whether the design of this structure, whether can also detect bearing ring 01 inner wall smooth, avoid the inner wall to appear warping or machining error problem. During detection, the bearing ring 01 can be manually rotated, so that different parts of the inner wall of the bearing ring 01 are in contact with the side faces of the cylinders 4, if the inner wall of the bearing ring 01 is smooth, the relative distance between the two cylinders 4 is unchanged, and the distance between the two sliding rods 9 is unchanged, namely, the variable resistance value of the access circuit is unchanged, namely, the reading on the display screen cannot be changed, and if the reading on the display screen is changed, the inner wall of the bearing ring 01 is not smooth.
As shown in fig. 2, the reset device 10 includes a reset spring respectively connected to the two sliding rods 9, and the other end of the reset spring is fixed to the inner wall of the detection box 1; when detecting, arrange two cylinders 4 inside bearing ring 01, two cylinders 4 outwards reset the expansion under reset spring's pulling force effect, realize the top tight to bearing ring 01 inner wall, realize the detection to bearing ring 01 internal diameter.
As shown in fig. 2, coaxial cylindrical holes are respectively arranged on the two cylinders 4, a shaft 5 passes through the two cylindrical holes, the shaft 5 is fixedly connected with a sliding rod 9, and the two shafts 5 and the cylindrical holes are in tolerance fit by adopting H7/G6 or H7/G6; make cylinder 4 with can be rotatory around axle 5, but do not have the displacement between axle 5 and the cylinder 4, be convenient for rotate the bearing ring 01 that detects when detecting, be convenient for whether smooth the detecting of bearing ring 01 inner wall reduces the wearing and tearing that cause that the bearing ring 01 inner wall detected, improves bearing ring 01 quality.
As shown in fig. 1, one side surface of each of the two detection boxes 1 is provided with an oblong hole 8, the two sliding rods 9 extend out of the oblong holes 8, the two detection boxes 1 are provided with a display screen 2 and a power switch 3, and the analog-to-digital converter 6 is electrically connected with the display screen 2.
The technical solution of the present invention is to provide an improved method for manufacturing a semiconductor device, which is characterized in that the method is not limited by the above-mentioned method, and the method is not substantially improved by the method and the device, or the method and the device are directly applied to other occasions without improvement, all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a be used for interior circle to detect monitor device, its characterized in that, is including detecting the box and detecting the head, it includes the cylinder that the bisymmetry set up, two the cylinder is close to the tip that detects the box and is connected with the slide bar respectively, two the slide bar other end is fixed with the conducting block respectively and stretches into in the detection box, and two slide bar sides are connected with resetting means, be provided with detection circuitry in the detection box and the adc who is connected with detection circuitry electricity, the last varistor ware that is provided with of detection circuitry, two slide bar bottom and varistor ware electric connection.
2. The apparatus according to claim 1, wherein the variable resistor comprises a linear variable resistor, all resistors of the linear variable resistor are connected to the detection circuit, and resistors between two ends of the linear variable resistor and the adjacent slide bars are connected to the detection circuit through conductive blocks at the ends of the slide bars.
3. The device of claim 2, wherein the linear variable resistor is fixed with a guide rod, the guide rod is insulated from the linear variable resistor, the two sliding rods are sleeved on the guide rod, and the conductive blocks at the ends of the two sliding rods are electrically conducted with the guide rod.
4. The apparatus according to claim 1, wherein the restoring means comprises restoring springs respectively connected to the two sliding rods, and the other end of the restoring spring is fixed to the inner wall of the testing box.
5. The apparatus according to claim 1, wherein the cylinders are provided with coaxial cylinder holes, and a shaft passes through the cylinder holes and is fixedly connected with the sliding rod.
6. The apparatus of claim 5, wherein the shafts and cylindrical holes are configured to fit within H7/G6 or H7/G6 tolerances.
7. The apparatus according to claim 1, wherein a slotted hole is formed in one side of each of the two detection boxes, and the two sliding rods extend out of the slotted holes.
8. The apparatus according to claim 1, wherein a display screen and a power switch are disposed on the two detection boxes, and the analog-to-digital converter is electrically connected to the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272925.6U CN210165886U (en) | 2019-08-07 | 2019-08-07 | Be used for interior circle to detect monitor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921272925.6U CN210165886U (en) | 2019-08-07 | 2019-08-07 | Be used for interior circle to detect monitor device |
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| Publication Number | Publication Date |
|---|---|
| CN210165886U true CN210165886U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921272925.6U Active CN210165886U (en) | 2019-08-07 | 2019-08-07 | Be used for interior circle to detect monitor device |
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| CN (1) | CN210165886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111972207A (en) * | 2020-08-27 | 2020-11-24 | 林瑞君 | Protection device and protection method for garden landscape trees |
| CN114646256A (en) * | 2022-05-13 | 2022-06-21 | 张家港保税区亚鑫精密制管有限公司 | Shock absorber cylinder hole precision detection device |
-
2019
- 2019-08-07 CN CN201921272925.6U patent/CN210165886U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111972207A (en) * | 2020-08-27 | 2020-11-24 | 林瑞君 | Protection device and protection method for garden landscape trees |
| CN111972207B (en) * | 2020-08-27 | 2022-07-05 | 林瑞君 | Protection device and protection method for garden landscape trees |
| CN114646256A (en) * | 2022-05-13 | 2022-06-21 | 张家港保税区亚鑫精密制管有限公司 | Shock absorber cylinder hole precision detection device |
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Effective date of registration: 20230414 Address after: 237200 West Road, Yingjia Avenue, Huoshan County, Lu'an City, Anhui Province Patentee after: ANHUI JINYUE BEARING CO.,LTD. Address before: 230000 factory building 245, Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: HEFEI JINCHANG BEARING Co.,Ltd. |