CN211876969U - Automatic change excircle detection device - Google Patents
Automatic change excircle detection device Download PDFInfo
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- CN211876969U CN211876969U CN202020914483.7U CN202020914483U CN211876969U CN 211876969 U CN211876969 U CN 211876969U CN 202020914483 U CN202020914483 U CN 202020914483U CN 211876969 U CN211876969 U CN 211876969U
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Abstract
Automatic change excircle detection device, include detection mechanism and install in a plurality of bracket assemblies in detection mechanism below, bracket assembly price includes the base and installs the mobilizable box on the base, the V type gyro wheel of liftable in pairs is installed to the box, places the work piece through a pair of V type gyro wheel. The measuring part adopts a detection mechanism. During operation, firstly, the standard stepped shaft is placed on the V-shaped rollers on the two sides, the position of the V-shaped rollers is adjusted to adapt to the degree of a workpiece, and then the height of the detection mechanism and the heating height of the V-shaped rollers are adjusted to complete centering operation. After centering, the relative position of each part of the equipment is fixed, the part to be measured is placed on the V-shaped roller, and precision detection of each part of the excircle can be completed through rotating the roller.
Description
Technical Field
The utility model relates to a detection device, especially an automatic change excircle detection device.
Background
Most of the precision measurement of circular cylindrical workpieces is carried out by a micrometer, a vernier caliper and the like, and whether the workpieces are qualified or not is judged, so that the measurement time is long, and the efficiency is low. Particularly, the excircle is required to be measured in the production and detection of a workpiece assembly line, and the requirement on measuring time is short. Therefore, micrometer and vernier caliper are used for measurement, especially for dimension values with high precision requirements, the measurement time is long, the measurement frequency and the measurement value are relatively unstable, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automatic excircle detection device that simple structure, measurement accuracy and detection efficiency are higher, the adjustment speed is fast, can directly read measurement value is provided.
In order to solve the above problem, the utility model provides a technical scheme:
automatic change excircle detection device, include detection mechanism and install in a plurality of bracket assemblies in detection mechanism below, bracket assembly price includes the base and installs the mobilizable box on the base, the V type gyro wheel of liftable in pairs is installed to the box.
The base is provided with a guide rail, and the box body is arranged on the guide rail.
The improved roller box is characterized in that a groove is formed in the box body, a liftable roller support is installed in the groove, the V-shaped rollers are installed on the roller support, a positioning polished rod is fixedly installed on the bottom end face of the box body, a positioning hole is formed in the bottom end of the roller support, the positioning hole is sleeved on the positioning polished rod, and the diameter of the positioning hole is larger than that of the positioning polished rod.
And a lifting device is arranged between the roller wheel bracket and the box body.
The lifting device comprises an adjusting nut and a precise adjusting screw rod, the adjusting nut is matched with the precise adjusting screw rod and drives the precise adjusting screw rod to move up and down, threads are arranged on the side wall of the roller support, and the precise adjusting screw rod is matched with the threads to drive the roller support to move up and down. The roller bracket is provided with a fastening hole, and the fastening hole is provided with a fastening bolt.
The detection mechanism comprises a door type truss, a feeding box and a measuring instrument, a slide bar is arranged on the side wall of a beam of the door type truss, the feeding box is provided with a sliding groove, the slide bar and the sliding groove are matched to move, and the measuring instrument is installed and connected below the feeding box.
An adjustable base is installed below the door type truss.
Still include work platform and delivery track, detection mechanism and bracket assembly install on work platform, the last travelling bogie that installs of delivery track, the manipulator is installed to the detection mechanism side.
Has the advantages that: the workpiece is placed by a pair of V-rollers. The measuring part adopts a detection mechanism. During operation, firstly, the standard stepped shaft is placed on the V-shaped rollers on the two sides, the position of the V-shaped rollers is adjusted to adapt to the degree of a workpiece, and then the height of the detection mechanism and the heating height of the V-shaped rollers are adjusted to complete centering operation. After centering, the relative position of each part of the equipment is fixed, the part to be measured is placed on the V-shaped roller, and precision detection of each part of the excircle can be completed through rotating the roller.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a cross-sectional view of the bracket assembly.
FIG. 3 is a first top view of the bracket assembly.
FIG. 4 is a second top view of the bracket assembly.
FIG. 5 is a schematic view of the detection mechanism and carriage assembly configuration.
The device comprises a base 1, a box body 2, a V-shaped roller 3, a guide rail 4, a groove 5, a roller bracket 6, a positioning smooth rod 7, a positioning hole 8, an adjusting nut 9, a precision adjusting screw rod 10, a fastening hole 12, a fastening bolt 13, a door type truss 14, a feeding box 15, a measuring instrument 16, a sliding strip 17, a sliding groove 18, an adjusting base 19, a working platform 20, a conveying track 21 and a transport trolley 22.
Detailed Description
As shown in the figure, the automatic excircle detection device of this embodiment includes detection mechanism and installs in a plurality of bracket assemblies in detection mechanism below, bracket assembly includes base 1 and installs mobilizable box 2 on base 1, box 2 installs the V type gyro wheel 3 of liftable in pairs.
The workpiece is placed by a pair of V-rollers 3. The measuring part adopts a detection mechanism. During operation, firstly, the standard stepped shaft is placed on the V-shaped rollers 3 on the two sides, the position of the V-shaped rollers 3 is adjusted to adapt to the degree of a workpiece, and then the height of the detection mechanism and the height of the V-shaped rollers 3 which generate heat are adjusted to complete centering operation. After centering, the relative position of each part of the equipment is fixed, the part to be measured is placed on the V-shaped roller 3, and the precision detection of each part of the excircle can be completed through rotating the roller.
The base 1 is provided with a guide rail 4, the box body 2 is arranged on the guide rail 4, and the distance between the two bracket assemblies can be adjusted by the arrangement of the guide rail 4 to adapt to the length of a standard stepped shaft.
The improved roller positioning device is characterized in that a groove 5 is formed in the box body 2, a liftable roller support 6 is installed in the groove 5, the V-shaped rollers 3 are installed on the roller support 6, a positioning polished rod 7 is fixedly installed on the bottom end face of the box body 2, a positioning hole 8 is formed in the bottom end of the roller support 6, the positioning hole 8 is sleeved on the positioning polished rod 7, and the diameter of the positioning hole 8 is larger than that of the positioning polished rod 7.
The roller bracket 6 is in the range set by the positioning light bar 7 when upwards or downwards, and can not generate deviation.
And a lifting device is arranged between the roller bracket 6 and the box body 2.
The lifting device comprises an adjusting nut 9 and a precise adjusting screw 10, the adjusting nut 9 is matched with the precise adjusting screw 10 and drives the precise adjusting screw 10 to move up and down, threads are arranged on the side wall of the roller support 6, and the precise adjusting screw 10 is matched with the threads to drive the roller support 6 to move up and down. The roller bracket 6 is provided with a fastening hole 12, and the fastening hole 12 is provided with a fastening bolt 13.
The lifting function is realized by the threaded matching among the adjusting nut 9, the precise adjusting screw 10 and the roller bracket 6.
The detection mechanism comprises a door type truss 14, a feeding box 15 and a measuring instrument 16, a slide bar 17 is arranged on the side wall of a cross beam of the door type truss 14, the feeding box 15 is provided with a sliding groove 18, the slide bar 17 and the sliding groove 18 move in a matched mode, and the measuring instrument 16 is installed and connected below the feeding box 15.
The sliding strip 17 and the sliding groove 18 move in a matching way to drive the measuring instrument 16 to move back and forth, so that the measuring instrument reaches the optimal point for measurement.
An adjustable base 19 is installed below the door type truss 14, and the height of the door type truss 14 is adjusted according to the height of an object to be measured.
Still include work platform 20 and delivery track 21, detection mechanism and bracket assembly install on work platform 20, install the travelling bogie on the delivery track 21, the manipulator is installed to the detection mechanism side.
The working platform 20 comprises a feeding port and a discharging port, the materials enter through the feeding port, the transport trolley carries the measured materials to run on the conveying track 21, the measured materials arrive at the detection mechanism, the measured materials on the transport trolley are placed on the bracket assembly through the manipulator, then whether the measured materials are standard or not is detected through the detection mechanism, after the detection is finished, the measured materials are taken down through the manipulator and placed back to the transport trolley, and finally the transport trolley is transported to the discharging port, namely the operation is finished.
The conveying track 21 adopts an annular track structure, workpieces are conveyed to a measuring area through the conveying trolleys, one trolley completes the cycle work of blanking, conveying, mounting, conveying and receiving, and a plurality of trolleys can be arranged on the track at the same time to improve the working efficiency.
In order to improve the workpiece mounting precision and further reduce the measurement error, the workpiece is placed by the V-shaped rollers 3, the left V-shaped rollers 3 are fixed, one end of the right side of the left V-shaped rollers is adjustable, and the left V-shaped rollers need to be centered by standard parts before use. The purpose of the rollers is to achieve circumferential automatic rotation of the shaft.
The measuring instrument 16 is installed on the door type truss 14, the door type truss 14 is parallel to the axis, and the measuring instrument 16 can perform axial translation, can perform shaft diameter measurement and axial cylindricity measurement, and can be fixed on a certain section to perform circumferential roundness measurement.
The device is automated and requires the design of a measurement data processing system. The method comprises the steps of feeding back and analyzing the measurement result, calculating each error type according to the tolerance requirement of the part drawing on each part of the part, and finally judging whether the part is qualified.
The workbench of the equipment adopts a horizontal structure, and a workpiece is placed through a pair of idler wheels in a V shape. The measuring part adopts an adjustable door type structure, and the measuring instrument 16 is arranged on the feeding box 15. During operation, the standard stepped shaft is firstly placed on the V-shaped rollers 3 on the two sides, the position of the V-shaped frame is adjusted to adapt to the degree of a workpiece, and then the height of the door type truss 14 and the heating height of the V-shaped frame of the rollers are adjusted to complete centering operation. After centering, the relative position of each part of the equipment is fixed, the part to be detected is placed on the V-shaped roller 3, and the precision detection of each part of the excircle can be completed by rotating the roller or moving the feeding box 15.
The specific working principle is as follows:
1. diameter deviation measurement: a section S is selected, the distance measured by the optical instrument (here the perpendicular distance from the instrument emitting point to the device) is D, and the distance deviation Δ D = dlar-D (note that this value is positive or negative) is obtained by comparing the distance with the standard. The part diameter deviation d can be calculated according to the following formula:
wherein
In the above formula, d is the nominal diameter of the part, d0 is the roller diameter of the roller V-shaped frame, and L is the center distance of the roller V-shaped frame.
Rotating the roller, measuring data at multiple positions and averaging
And comparing the diameter of the part with the excircle dimensional tolerance of the part to judge whether the diameter of the part is qualified or not.
2. And (3) measuring roundness error: selecting a certain section S, rotating the roller frame and recording the measured distance of one circle of rotation
The measurement process has a maximum value Dmax and a minimum value Dmin, and the roundness error is calculated based on the least square method as follows:
in the above formula, D denotes the range measurement of the standard. And comparing the roundness error with the form and position tolerance of the part to judge whether the roundness of the part is qualified.
3. And (3) measuring straightness error: the workpiece is fixed, the feeding box 15 is moved, the measuring distance D in the moving process is recorded, the maximum values Dmax and Dmin are recorded in the measuring process, and the calculation formula of the straightness is the same as the roundness. And comparing the straightness error with the part straightness tolerance to judge whether the straightness of the part is qualified.
4. Other error measurements: the device can complete measurement and analysis of other errors such as cylindricity error, taper error, coaxiality error, radial run-out error and the like aiming at specific rotary workpieces besides completing measurement of the three common errors, and the measurement and analysis are not explained too much.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and 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 thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (9)
1. Automatic change excircle detection device, its characterized in that: including detection mechanism and install in a plurality of bracket assemblies in detection mechanism below, bracket group price includes base (1) and installs mobilizable box (2) on base (1), V type gyro wheel (3) that pairs liftable are installed in box (2).
2. The automated outer circle detection apparatus of claim 1, wherein: the base (1) is provided with a guide rail (4), and the box body (2) is arranged on the guide rail (4).
3. The automated outer circle detection apparatus of claim 1, wherein: be equipped with recess (5) in box (2), recess (5) in install liftable gyro wheel support (6), V type gyro wheel (3) install on gyro wheel support (6), box (2) bottom face fixed mounting has location polished rod (7), gyro wheel support (6) bottom is equipped with locating hole (8), locating hole (8) cover is located on location polished rod (7), locating hole (8) diameter is greater than location polished rod (7) diameter.
4. The automated cylindrical inspection device of claim 3, wherein: and a lifting device is arranged between the roller wheel bracket (6) and the box body (2).
5. The automated cylindrical inspection device of claim 4, wherein: the lifting device comprises an adjusting nut (9) and a precise adjusting screw (10), the adjusting nut (9) is matched with the precise adjusting screw (10) and drives the precise adjusting screw (10) to move up and down, threads are arranged on the side wall of the roller support (6), and the precise adjusting screw (10) is matched with the threads to drive the roller support (6) to move up and down.
6. The automated cylindrical inspection device of claim 5, wherein: the roller bracket (6) is provided with a fastening hole (12), and the fastening hole (12) is provided with a fastening bolt (13).
7. The automated outer circle detection apparatus of claim 1, wherein: the detection mechanism comprises a door type truss (14), a feeding box (15) and a measuring instrument (16), a slide bar (17) is arranged on the side wall of a beam of the door type truss (14), a sliding groove (18) is formed in the feeding box (15), the slide bar (17) and the sliding groove (18) move in a matched mode, and the measuring instrument (16) is installed and connected below the feeding box (15).
8. The automated cylindrical inspection device of claim 7, wherein: an adjustable base (19) is installed below the door type truss (14).
9. The automated outer circle detection apparatus of claim 1, wherein: still include work platform (20) and delivery track (21), detection mechanism and bracket assembly install on work platform (20), install the travelling bogie on delivery track (21), the manipulator is installed to the detection mechanism side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020914483.7U CN211876969U (en) | 2020-05-27 | 2020-05-27 | Automatic change excircle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020914483.7U CN211876969U (en) | 2020-05-27 | 2020-05-27 | Automatic change excircle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211876969U true CN211876969U (en) | 2020-11-06 |
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ID=73234659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020914483.7U Expired - Fee Related CN211876969U (en) | 2020-05-27 | 2020-05-27 | Automatic change excircle detection device |
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| Country | Link |
|---|---|
| CN (1) | CN211876969U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441443A (en) * | 2022-01-24 | 2022-05-06 | 成都聚合智创科技有限公司 | Control bottle detection device |
| CN114453976A (en) * | 2022-02-09 | 2022-05-10 | 广东韶钢松山股份有限公司 | Roller shell turning quality acceptance tool and use method thereof |
-
2020
- 2020-05-27 CN CN202020914483.7U patent/CN211876969U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441443A (en) * | 2022-01-24 | 2022-05-06 | 成都聚合智创科技有限公司 | Control bottle detection device |
| CN114441443B (en) * | 2022-01-24 | 2024-05-14 | 成都华聪智视科技有限公司 | Tube bottle detection device |
| CN114453976A (en) * | 2022-02-09 | 2022-05-10 | 广东韶钢松山股份有限公司 | Roller shell turning quality acceptance tool and use method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 Termination date: 20210527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |