CN212432072U - Flatness detection equipment - Google Patents
Flatness detection equipment Download PDFInfo
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- CN212432072U CN212432072U CN202021482972.6U CN202021482972U CN212432072U CN 212432072 U CN212432072 U CN 212432072U CN 202021482972 U CN202021482972 U CN 202021482972U CN 212432072 U CN212432072 U CN 212432072U
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- sliding block
- laser sensor
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Abstract
The utility model relates to a flatness detection equipment belongs to electronic equipment and makes the field, include: a cabinet having an operation table above the cabinet; the laser sensor is arranged above the fast-assembling jig and can detect the distance between the laser sensor and the shell of the electronic equipment; the plane displacement mechanism is arranged on the operation workbench and can control the laser sensor to move in a plane track, and the plane track exceeds the area of the electronic equipment shell; the quick-mounting jig is arranged on the operating table and can fix the electronic equipment shell; the quick-mounting jig comprises a base plate, a longitudinal telescopic mechanism and a transverse telescopic mechanism, wherein the longitudinal telescopic mechanism and the transverse telescopic mechanism are arranged on the base plate, the two telescopic mechanisms respectively comprise a telescopic device, a sliding block and a limiting block, and the telescopic device is connected with and pushes the sliding block to move and is matched with the limiting block to longitudinally or transversely fix an electronic equipment shell. The scheme solves the problems of low accuracy, low efficiency and the like of the existing manual flatness detection.
Description
Technical Field
The utility model relates to a flatness detection equipment and detection method thereof belongs to electronic equipment and makes the field, especially notebook computer makes the field.
Background
With the improvement of living standard of people, electronic equipment is visible everywhere in life of people, such as a notebook computer, a mobile phone, a tablet personal computer and the like, so that more manpower and material resources are required to be input in the processing process of the electronic equipment to accelerate production, but the production of one electronic equipment comprises a plurality of links and the production, manufacturing and detection of a plurality of parts; for example, in the production process of the notebook computer shell, a thin aluminum plate is subjected to punch forming, and then plastic parts are installed through the processes of glue dispensing, hot pressing and the like to manufacture the shell; due to the material characteristics, the process and other reasons, the notebook shell is also warped, and the flatness of the shell is checked to be qualified by manually adopting a feeler gauge after manual shaping; in the process, the problems of low accuracy, low efficiency, high rework rate and the like exist in manual flatness inspection, so that the most direct result directly caused by the problems is high cost and low benefit.
Therefore, a solution capable of automatically realizing rapid, automatic and high-precision flatness detection is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above problem, designed the utility model discloses, provide one kind can realize that the electronic equipment shell plane degree is quick, automatic, the check out test set of high accuracy and carry out the detection method revised to the testing data.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model discloses a flatness detection equipment for electronic equipment shell flatness detects, include:
a cabinet having an operation table above the cabinet;
the laser sensor is arranged above the fast-assembling jig and can detect the distance between the laser sensor and the shell of the electronic equipment;
the plane displacement mechanism is arranged on the operation workbench and can control the laser sensor to move in a plane track, and the plane track exceeds the area of the electronic equipment shell;
the quick-mounting jig is arranged on the operating table and can fix the electronic equipment shell; the quick-mounting jig comprises a base plate, a longitudinal telescopic mechanism and a transverse telescopic mechanism, wherein the longitudinal telescopic mechanism and the transverse telescopic mechanism are arranged on the base plate, the two telescopic mechanisms respectively comprise a telescopic device, a sliding block and a limiting block, and the telescopic device is connected with and pushes the sliding block to move and is matched with the limiting block to longitudinally or transversely fix an electronic equipment shell.
Preferably, one side of the bottom plate facing the operation station is opened to facilitate the replacement of the electronic equipment shell; and a plurality of positioning pins are arranged on the fast-assembling jig, and the positioning pins are matched with the positioning holes in the operation workbench for positioning.
Preferably, a stepped hole is formed in the sliding block, the front end of the expansion piece is connected with a pull rod, the pull rod penetrates through the stepped hole of the limiting block to be connected with a shaft of the expansion piece, and a spring is arranged between the expansion piece and the sliding block; when the shaft of the expansion piece extends to the maximum stroke, the spring is compressed and the flange surface of the pull rod is separated from the step surface of the stepped hole.
Preferably, the longitudinal telescopic mechanism comprises a longitudinal cylinder, a longitudinal spring, a longitudinal slide rail, a longitudinal slide block and a longitudinal limit block; the longitudinal sliding rail is arranged on the bottom plate, the longitudinal sliding block is arranged on the longitudinal sliding rail and is in sliding fit with the longitudinal sliding rail, the longitudinal cylinder is arranged on the bottom plate and is connected with the longitudinal sliding block, the longitudinal spring abuts against the longitudinal sliding block and the longitudinal cylinder, the longitudinal limiting block is positioned on the opposite side of the longitudinal sliding block, and the longitudinal limiting block and the longitudinal sliding block are matched to longitudinally fix the electronic equipment shell; the longitudinal cylinder and the transverse cylinder both belong to retractors.
Preferably, the transverse telescopic mechanism comprises a transverse cylinder, a transverse spring, a transverse sliding rail, a transverse sliding block and a transverse limiting block; the transverse sliding rail is arranged on the bottom plate, the transverse sliding block is arranged on the transverse sliding rail and is in sliding fit with the transverse sliding rail, the transverse cylinder is arranged on the bottom plate and is connected with the transverse sliding block, the transverse spring abuts between the transverse sliding block and the transverse cylinder, and the transverse limiting block is located on the opposite side of the transverse sliding block and is matched with the transverse sliding block to fix the electronic equipment shell transversely.
Preferably, the laser scanning device further comprises a control unit which controls the plane displacement mechanism to move and receives signals of the laser sensor.
Preferably, an in-place sensor for detecting whether the electronic equipment shell exists is arranged below the fast-assembling jig, and the in-place sensor sends a detection signal to the control unit.
Preferably, laser sensor is connected to plane displacement mechanism through high regulator on, high regulator is including connecting platform, lead screw and lift slip table, lift slip table with be connected a sliding fit, the lead screw set up in connect the bench and with lift slip table screw-thread fit, laser sensor set up in connect the bench and with its synchronous lift, connect the platform to be connected with plane displacement mechanism and by its control removal.
Preferably, the front side, the left side and the right side of the operation workbench of the cabinet are respectively provided with a coaming, and the bottom of the cabinet is provided with a plurality of rollers and foot cups; the plane displacement mechanism comprises a longitudinal straight line module and a transverse straight line module, the longitudinal straight line module is arranged on the operation workbench and used for controlling the longitudinal position of the laser sensor, and the transverse straight line module is arranged on the longitudinal straight line module and used for controlling the transverse position of the laser sensor.
Preferably, the detection method comprises the following steps:
s1: establishing a coordinate system by taking the long side of the shell of the electronic equipment to be tested as an X-axis direction, the short side as a Y-axis direction and the set point as a zero point; s2: selecting two test points with the same Y-axis coordinate on a bottom plate, and recording X-axis coordinates X1 and X2 of the two test points; reading height data Z1 and Z2 obtained by the laser sensor on two test points; establishing a correction parameter alpha:
α＝(Z2-Z1)/(X2-X1)；
s3: s3: the control unit corrects the X-axis direction parameter of the measured data according to the correction parameter alpha, and the corrected height value is as follows:
Hcorrection＝hMeasuring point-α(XMeasuring point-X1)
h, taking the measuring point as height data of the measuring point;
the X measuring point is the X-axis coordinate of the measuring point;
s4: correcting the measurement data in the Y-axis direction according to the correction principle in steps S2 and S3;
s5: during detection, after n points on the same axis (X axis or Y axis) of the part to be detected are selected for height data measurement, extreme value difference is taken to express the deformation degree delta of the part to be detected:
Δ＝Hcorrection max-HCorrection min
The utility model has the advantages that:
1. the detection device in the scheme can realize the rapid flatness detection of the notebook computer shell through the position matching and control of the plane displacement mechanism, the laser and the fast-assembly jig, and after a product is placed into the fast-assembly jig, the laser sensor is driven by the plane displacement mechanism to move in a plane to measure the product, so that the detection device has the characteristic of high automation;
2. in the scheme, the trundles and the foot cups are arranged at the bottom of the case, so that the working position of equipment can be quickly changed, and the case can be quickly leveled, thereby facilitating the operation of plane detection;
3. the quick-mounting jig can be detached and replaced from the operation workbench, so that the quick application and compatibility of electronic equipment of different models can be conveniently realized; 4, when the product jigs with different models are replaced, the quick and accurate positioning can be realized, and the debugging time is reduced;
4. the limiting block arranged on the fast-assembling jig can limit the position of the workpiece, so that the measurement error caused by the change of the position of the workpiece is avoided; meanwhile, the flatness is detected by replacing manual work, so that the method is more efficient, more accurate and higher in consistency;
5. in the scheme, the control unit calculates according to the inclination state of the fast-assembly jig instead of directly applying the measured value, and corrects the measured data of the shell of the electronic equipment after conversion, so that the measured data can be effectively prevented from being influenced by the installation error of the clamp; the detection precision is improved;
6. in addition, set up the step hole in fast-assembling tool's slider, can make the expansion bend can have self-adaptation characteristics at flexible in-process to avoid the expansion bend pressure too big to cause destruction to electronic equipment's shell.
Drawings
FIG. 1 is a view showing an overall configuration of an apparatus;
FIG. 2 is a view of the configuration of the equipment console;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a top view of the fast-assembling jig structure;
fig. 5 is a transverse cross-sectional view of the fast-assembling jig structure.
Reference numerals: 1-cabinet, 101-roller, 102-foot cup, 103-operation table, 104-coaming, 2-longitudinal linear module, 3-laser sensor, 4-fast-assembly jig, 401-first locating pin, 402-transverse limiting block, 403-longitudinal limiting block, 404-bottom plate, 405-second locating pin, 406-first transverse sliding rail, 407-transverse spring, 408-transverse cylinder, 409-second transverse sliding rail, 410-transverse sliding block, 411-longitudinal sliding block, 412-first longitudinal sliding rail, 413-longitudinal cylinder, 414-longitudinal spring, 415-second longitudinal sliding rail, 416-step hole, 417-pull rod, 5-in-place sensor, 6-height adjuster, 601-connection table, 602-screw rod, 603-lifting sliding table, 7-transverse straight line module.
Detailed Description
Example 1
As shown in fig. 1, the utility model discloses a flatness detection equipment for electronic equipment shell flatness detects, including parts such as rack 1, laser sensor 3, plane displacement mechanism, fast-assembling tool 4, the control unit.
An operation table 103 is arranged above the cabinet 1; fences are respectively arranged on the front side and the left side and the right side of the operation table 103; an air pressure output mechanism is arranged in the cabinet 1, and the air pressure output mechanism mainly controls the extension and retraction of the longitudinal air cylinder 413 and the transverse air cylinder 408; the bottom of the cabinet 1 is provided with a plurality of rollers 101 and a foot cup 102.
The middle position of the operation workbench 103 is provided with a detachable fast-assembling jig 4, the fast-assembling jig 4 has the function of fixing an electronic equipment shell, the main structure of the fast-assembling jig 4 comprises a bottom plate 404, and a longitudinal telescopic mechanism and a transverse telescopic mechanism which are arranged on the bottom plate 404, and the longitudinal telescopic mechanism and the transverse telescopic mechanism are matched with each other to fix the electronic equipment shell; the bottom plate 404 is opened at one side facing the operation station and is in an inverted U shape so as to be convenient for replacing the shell of the electronic equipment; a first positioning pin 401 and a second positioning pin 405 can be arranged at the upper right corner and the lower left corner of a bottom plate 404 on the fast-assembling jig 4, and the two positioning pins are matched with positioning holes on the operation work table 103 for positioning; an in-place sensor 415 for detecting whether the electronic equipment shell exists is arranged below the fast-assembling jig 4, when the in-place sensor 415 detects that a product exists, a signal is fed back to the control unit, and the control unit starts the plane displacement mechanism and the laser sensor 3 to measure the product.
The longitudinal telescopic mechanism comprises a longitudinal cylinder 413, a longitudinal spring 414, a longitudinal slide rail, a longitudinal slide block 411 and a longitudinal limit block 403; the longitudinal sliding rail is arranged on the bottom plate 404, the longitudinal sliding block 411 is arranged on the longitudinal sliding rail and is in sliding fit with the longitudinal sliding rail, the longitudinal air cylinder 413 is arranged on the bottom plate 404 and is connected with the longitudinal sliding block 411, the longitudinal spring 414 is abutted between the longitudinal sliding block 411 and the longitudinal air cylinder 413, the longitudinal limiting block 403 is positioned at the opposite side of the longitudinal sliding block 411, and the longitudinal limiting block and the longitudinal sliding block are matched to longitudinally fix the electronic equipment shell; the longitudinal cylinder 413 and the transverse cylinder 408 both belong to the telescopic device.
The transverse telescopic mechanism comprises a transverse cylinder 408, a transverse spring 407, a transverse sliding rail, a transverse sliding block 410 and a transverse limiting block 402; the transverse sliding rail is arranged on the bottom plate 404, the transverse sliding block 410 is arranged on the transverse sliding rail and is in sliding fit with the transverse sliding rail, the transverse cylinder 408 is arranged on the bottom plate 404 and is connected with the transverse sliding block 410, the transverse spring 407 abuts against the position between the transverse sliding block 410 and the transverse cylinder 408, and the transverse limiting block 402 is located on the opposite side of the transverse sliding block 410 and is matched with the transverse sliding block 410 to fix the electronic equipment shell transversely.
In the longitudinal telescopic mechanism and the transverse telescopic mechanism, a stepped hole 416 is arranged in the transverse sliding block 410 or the longitudinal sliding block 411, the front end of the telescopic device is connected with a pull rod 417, the pull rod 417 passes through the stepped hole 416 of the limiting block to be connected with a shaft of the telescopic device, and a spring is arranged between the telescopic device and the sliding block; when the shaft of the jack is extended to the maximum stroke, the spring is compressed and the flange face of the pull rod 417 disengages from the step face of the stepped bore 416.
The control unit controls the air pressure output mechanism to indirectly control the stretching action of each air cylinder of the fast-assembling fixture.
The plane displacement mechanism comprises a longitudinal straight line module 2 and a transverse straight line module 607, the longitudinal straight line module 2 is arranged on the operation table 103 and used for controlling the longitudinal position of the laser sensor 3, the transverse straight line module 607 is arranged on the longitudinal straight line module 2 and used for controlling the transverse position of the laser sensor 3, and the control unit controls the longitudinal straight line module 2 and the transverse straight line module 607 respectively to enable the laser sensor 3 to reach a preset position.
The laser sensor 3 can detect the distance from the electronic equipment shell, the laser sensor 3 is arranged above the fast-assembling jig 4 and is connected to the longitudinal linear module 2 through the height adjuster 6, the height adjuster 6 comprises a connecting table 601, a screw rod 602, a lifting sliding table 603 and other components, the lifting sliding table 603 is in sliding fit with the connecting table 601, the screw rod 602 is arranged on the connecting table 601 and is in threaded fit with the lifting sliding table 603, the laser sensor 3 is arranged on the connecting table 601 and is lifted synchronously with the connecting table 601, the connecting table 601 is connected with the longitudinal linear module 2 and controls the longitudinal linear module 2 to move, and scales can be arranged on the screw rod 602 so as to ensure the accurate adjustment of the position of the laser sensor; the laser sensor 3 is capable of movement under the control of the planar displacement mechanism in a planar trajectory that covers directly above and beyond the area of the electronic equipment housing.
Example 2
Because the plane where the fast-assembling jig 4 is located is likely to incline to the plane track moved by the laser sensor 3 in the process of replacing or using the fast-assembling jig 4, in order to solve the problem without using manual adjustment, the scheme provides a detection method which is different from the following detection method, and the detection method comprises the following steps:
s1: establishing a coordinate system by taking the long side of the shell of the electronic equipment to be tested as an X-axis direction, the short side as a Y-axis direction and the set point as a zero point;
s2: selecting two test points with the same Y-axis coordinate on the bottom plate 404, and recording X-axis coordinates X1 and X2 of the two test points; reading height data Z1 and Z2 obtained by the laser sensor 3 on two test points; establishing a correction parameter alpha:
α＝(Z2-Z1)/(X2-X1)；
s3: the control unit corrects the X-axis direction parameter of the measured data according to the correction parameter alpha, and the corrected height value is as follows:
Hcorrection＝hMeasuring point-α(XMeasuring point-X1)
h, taking the measuring point as height data of the measuring point;
the X measuring point is the X-axis coordinate of the measuring point;
s4: correcting the measurement data in the Y-axis direction according to the correction principle in steps S2 and S3;
s5: during detection, after n points on the same axis (X axis or Y axis) of the part to be detected are selected for height data measurement, extreme value difference is taken to express the deformation degree delta of the part to be detected:
Δ＝Hcorrection max-HCorrection min
The inclination state of the fast-assembling jig 4 is calculated, and the measured data of the electronic equipment shell is corrected after conversion, so that the measured data is effectively prevented from being influenced by the installation error of the clamp; the detection precision is improved.
The foregoing examples are provided for clarity of illustration only and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (9)
1. A flatness detection apparatus for electronic device housing flatness detection, comprising:
a cabinet (1) having an operation table (103) above the cabinet (1);
the laser sensor (3) is arranged above the fast-assembling jig (4) and can detect the distance between the laser sensor and the shell of the electronic equipment;
the plane displacement mechanism is arranged on the operation workbench (103) and can control the laser sensor (3) to move in a plane track, and the plane track exceeds the area where the electronic equipment shell is located;
the fast-assembling jig (4) is arranged on the operation workbench (103) and can fix the electronic equipment shell; the quick-assembly jig (4) comprises a base plate (404), and a longitudinal telescopic mechanism and a transverse telescopic mechanism which are arranged on the base plate (404), wherein the two telescopic mechanisms respectively comprise a telescopic device, a sliding block and a limiting block, and the telescopic device is connected with and pushes the sliding block to move and is matched with the limiting block to longitudinally or transversely fix the shell of the electronic equipment;
the side of the base plate (404) facing the operating station is open to facilitate the exchange of electronic equipment housings.
2. The flatness detecting equipment according to claim 1, wherein a plurality of positioning pins are arranged on the fast-assembling jig (4), and the positioning pins are matched and positioned with the positioning holes on the operation working table (103).
3. The flatness detecting apparatus according to claim 2, wherein a stepped hole (416) is provided in the slider, a pull rod (417) is connected to a front end of the retractor, the pull rod (417) passes through the stepped hole (416) of the stopper to be connected to a shaft of the retractor, and a spring is provided between the retractor and the slider; when the shaft of the telescopic device extends to the maximum stroke, the spring is compressed, and the flange surface of the pull rod (417) is separated from the step surface of the stepped hole (416).
4. The flatness detecting apparatus according to claim 3, wherein the longitudinal telescopic mechanism includes a longitudinal cylinder (413), a longitudinal spring (414), a longitudinal slide rail, a longitudinal slider (411), and a longitudinal stopper (403); the longitudinal sliding rail is arranged on the bottom plate (404), the longitudinal sliding block (411) is arranged on the longitudinal sliding rail and is in sliding fit with the longitudinal sliding rail, the longitudinal air cylinder (413) is arranged on the bottom plate (404) and is connected with the longitudinal sliding block (411), the longitudinal spring (414) abuts between the longitudinal sliding block (411) and the longitudinal air cylinder (413), and the longitudinal limiting block (403) is located on the opposite side of the longitudinal sliding block (411) and is matched with the longitudinal limiting block to longitudinally fix the electronic equipment shell; the longitudinal cylinder (413) and the transverse cylinder (408) both belong to a telescopic device.
5. The flatness detecting apparatus according to claim 3, wherein the lateral telescoping mechanism includes a lateral cylinder (408), a lateral spring (407), a lateral slide rail, a lateral slider (410), and a lateral stopper (402); the transverse sliding rail is arranged on the bottom plate (404), the transverse sliding block (410) is arranged on the transverse sliding rail and is in sliding fit with the transverse sliding rail, the transverse air cylinder (408) is arranged on the bottom plate (404) and is connected with the transverse sliding block (410), the transverse spring (407) abuts between the transverse sliding block (410) and the transverse air cylinder (408), and the transverse limiting block (402) is located on the opposite side of the transverse sliding block (410) and is matched with the transverse sliding block to fix the electronic equipment shell transversely.
6. The flatness detecting apparatus according to one of claims 1 to 5, further comprising a control unit that controls the plane displacement mechanism to move and receives a signal of the laser sensor (3).
7. The flatness detecting apparatus according to claim 6, wherein an in-place sensor (415) for detecting the presence or absence of the electronic equipment casing is provided below the quick-mounting jig (4), and the in-place sensor (415) sends a detection signal to the control unit.
8. The flatness detecting apparatus according to claim 6, wherein the laser sensor (3) is connected to the plane displacement mechanism through a height adjuster (6), the height adjuster (6) includes a connection table (601), a lead screw (602), and an elevation slide table (603), the elevation slide table (603) is slidably fitted to the connection table (601), the lead screw (602) is provided on the connection table (601) and threadedly fitted to the elevation slide table (603), the laser sensor (3) is provided on the connection table (601) and ascends and descends in synchronization therewith, and the connection table (601) is connected to the plane displacement mechanism and is controlled to move by the same.
9. The flatness detecting apparatus according to claim 8, wherein enclosing plates (104) are provided at front, left and right sides of the operation table (103) of the cabinet (1), respectively, and a plurality of rollers (101) and foot cups (102) are provided at a bottom of the cabinet (1); the plane displacement mechanism comprises a longitudinal straight line module (2) and a transverse straight line module (607), the longitudinal straight line module (2) is arranged on the operation workbench (103) and used for controlling the longitudinal position of the laser sensor (3), and the transverse straight line module (607) is arranged on the longitudinal straight line module (2) and used for controlling the transverse position of the laser sensor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021482972.6U CN212432072U (en) | 2020-07-24 | 2020-07-24 | Flatness detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021482972.6U CN212432072U (en) | 2020-07-24 | 2020-07-24 | Flatness detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212432072U true CN212432072U (en) | 2021-01-29 |
Family
ID=74273430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021482972.6U Expired - Fee Related CN212432072U (en) | 2020-07-24 | 2020-07-24 | Flatness detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212432072U (en) |
-
2020
- 2020-07-24 CN CN202021482972.6U patent/CN212432072U/en not_active Expired - Fee Related
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 Termination date: 20210724 |