CN116275960B - Flexible precise positioning and assembling mobile phone display screen mechanism for six-direction motor - Google Patents
Flexible precise positioning and assembling mobile phone display screen mechanism for six-direction motor Download PDFInfo
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- CN116275960B CN116275960B CN202310557926.XA CN202310557926A CN116275960B CN 116275960 B CN116275960 B CN 116275960B CN 202310557926 A CN202310557926 A CN 202310557926A CN 116275960 B CN116275960 B CN 116275960B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/06—Gripping heads and other end effectors with vacuum or magnetic holding means
- B25J15/0616—Gripping heads and other end effectors with vacuum or magnetic holding means with vacuum
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Abstract
The invention belongs to the technical field of mobile phone display screen assembly, and particularly relates to a six-position motor flexible precise positioning mobile phone display screen assembly mechanism, wherein a vacuum chuck lifting mechanism is arranged in the middle of a large base plate, a pressure maintaining clamp is sleeved on the periphery of the vacuum chuck lifting mechanism, a middle frame is arranged above the vacuum chuck lifting mechanism, a middle frame long-side upper left motor positioning module and a middle frame long-side upper right motor positioning module are symmetrically arranged at the upper parts of the left side and the right side of the large base plate, a middle frame long-side lower left motor positioning module and a middle frame long-side lower right motor positioning module are symmetrically arranged at the lower parts of the left side and the right side of the large base plate, and a middle frame lower short-side motor positioning module and a middle frame upper short-side motor positioning module are symmetrically arranged at the front side and the rear side of the large base plate. The positioning assembly mechanism provided by the invention can respectively measure and calculate different positions of the middle frame or the display screen through the six-azimuth motor module, so that the processing effect on the middle frame or the display screen with irregular shapes is improved, and the measuring precision of the motor is not influenced by the environment.
Description
Technical Field
The invention belongs to the technical field of mobile phone display screen assembly, and particularly relates to a mechanism for flexibly and precisely positioning and assembling a mobile phone display screen by a six-direction motor.
Background
With the rapid development of modern technology and communication technology, mobile phones have become a communication tool most commonly used by people, and in order to meet the demands of people on mobile phones, smart mobile phones are now being used. The smart phone is like a personal computer, has an independent operating system, is mostly a large screen, is a touch capacitive screen, is also partly a resistive screen, and has strong functions and high practicability. Along with the increasing size of the mobile phone screen, the assembly precision and difficulty of the large screen are correspondingly improved. At present, a mechanical alignment technology is generally adopted for assembling a mobile phone screen and a middle frame in the prior art, but the mechanical alignment technology has a severe requirement on materials of the middle frame and a display screen of the mobile phone, and when the materials with irregular shapes appear, the materials cannot be effectively analyzed, so that the defective rate is improved, and the production cost is increased; and when the CCD camera is used for identification, the CCD control mode is easy to be influenced by environment/light, and the CCD lens needs to be maintained and cleaned regularly, so that the accuracy is harsh to the environment.
Disclosure of Invention
The invention mainly aims to solve the problems in the prior art and provides a mechanism for flexibly and precisely positioning and assembling a mobile phone display screen by a six-azimuth motor.
The technical problems solved by the invention are realized by adopting the following technical scheme: the mobile phone display screen mechanism comprises a large bottom plate, a vacuum chuck lifting mechanism, a pressure maintaining clamp, a middle frame long-side upper left motor positioning module, a middle frame long-side lower right motor positioning module, a middle frame upper short-side motor positioning module and a middle frame lower short-side motor positioning module, wherein the vacuum chuck lifting mechanism is arranged in the middle of the large bottom plate, the pressure maintaining clamp is sleeved on the periphery of the vacuum chuck lifting mechanism, the middle frame is arranged above the vacuum chuck lifting mechanism, the middle frame long-side upper left motor positioning module and the middle frame long-side upper right motor positioning module are symmetrically arranged on the upper parts of the left and the right sides of the large bottom plate, the middle frame long-side lower left motor positioning module and the middle frame long-side lower right motor positioning module are symmetrically arranged on the lower parts of the left and the right and the left and the right sides of the large bottom plate, the middle frame long-side lower short-side motor positioning module and the middle frame upper right motor positioning module are symmetrically arranged on the front and back of the large bottom plate, the middle frame long-side upper short-side motor positioning module, the middle frame long-side lower motor positioning module and the middle frame upper right motor positioning module are identical in structure;
the vacuum chuck lifting mechanism comprises a Z-axis sliding table motor, a cushion block, a tension sensor and a vacuum chuck, wherein the Z-axis sliding table motor in the vacuum chuck lifting mechanism is arranged in the middle of a large bottom plate, the cushion block is arranged on the Z-axis sliding table motor in the vacuum chuck lifting mechanism, the tension sensor is arranged on the cushion block, the vacuum chuck is arranged on the tension sensor, and a middle frame is arranged on the vacuum chuck;
the upper left motor positioning module of the middle frame comprises a Z-axis sliding table motor, a Z-axis sliding table motor connecting plate, a voice coil motor connecting plate, a middle frame positioning push rod and a display screen positioning push rod, wherein the Z-axis sliding table motor in the upper left motor positioning module of the middle frame is arranged on a large bottom plate, the Z-axis sliding table motor connecting plate is arranged on the Z-axis sliding table motor in the upper left motor positioning module of the middle frame, the voice coil motor is arranged on the Z-axis sliding table motor connecting plate, the voice coil motor connecting plate is arranged on the voice coil motor, the middle frame positioning push rod is arranged on one side, close to the middle frame, of the voice coil motor connecting plate, and the display screen positioning push rod is arranged on the middle frame positioning push rod.
Further, the Z-axis sliding table motor in the middle frame long-side left upper motor positioning module is fixedly arranged on the large bottom plate through four screws.
Further, the big bottom plate is cross-shaped, and the side lengths of the left side and the right side of the big bottom plate are twice as long as the side lengths of the front side and the rear side.
Further, the shape of the cushion block is square, and the shape of the vacuum chuck is rectangular.
Further, the shape of voice coil motor connecting plate is trapezoidal, voice coil motor connecting plate left and right sides symmetry respectively is provided with two fillet rectangular hole.
Further, the voice coil motor is a motor with the model number of akyibsitisaml 80-20, the Z-axis sliding table motor is a motor with the model number of SZH-8010-TZ, and the tension sensor is a sensor with the model number of LF 605-H15.
Further, the pressure maintaining clamp comprises a rectangular clamp and support columns, and the rectangular clamp is arranged on the large bottom plate through four support columns on the top angle of the rectangular clamp.
The beneficial effects of the invention are as follows:
according to the invention, the six-azimuth motor positioning module is used for positioning and assembling the middle frame or the display screen, the six-azimuth motor module is used for measuring and calculating different positions of the middle frame or the display screen respectively, corresponding calculation can be made according to the difference of the sizes of materials, positioning accuracy is ensured, so that the requirement on the sizes of the materials is greatly reduced, the six-azimuth motor positioning module can be used for processing the middle frame or the display screen with irregular shapes from different azimuth, the processing effect on the middle frame or the display screen with irregular shapes is improved, the inclusion of the tolerance of the materials is improved to the greatest extent, the manufacturing cost of the materials is reduced to the greatest extent, the production yield and the productivity are improved, and when the two positioning reference sizes of the middle frame are unequal or the material size management tolerance is relatively large, the middle frame and the display screen can be positioned and centered accurately.
According to the control scheme of positioning and centering of the six-azimuth motor positioning module, the voice coil motor can control the output force, and can monitor the positions of the clamping jaws on the middle frame positioning push bar or the display screen positioning push bar, so that the repetition precision is high; the Z-axis sliding table motor controls the lifting height position, and height parameters can be fed back and controlled in real time according to the requirement; soft landing and nondestructive application of equipment parts are realized, high-precision high-response control is realized, and the advantages of safe and stable control can be realized.
The voice coil motor is used as the executive component, the voice coil motor can control the output force, and can monitor the position of the clamping jaw on the middle frame positioning push bar or the display screen positioning push bar, when the contact force of the executive component in operation is larger than a set value, the continuous operation can be stopped, the effect of nearly zero damage to the component is achieved, the actual position of the clamping jaw can be monitored, and the effect of accurate positioning is achieved.
Drawings
FIG. 1 is a perspective view of a mechanism for flexibly and precisely positioning and assembling a mobile phone display screen by using a six-direction motor.
Fig. 2 is a perspective view of the motor positioning module on the left upper side of the long side of the middle frame.
Fig. 3 is a perspective view of the vacuum chuck lifting mechanism of the present invention.
Fig. 4 (a) -4 (b) are schematic diagrams of the present invention when the middle frame is subjected to the large-small head profiling.
Fig. 5 (a) -5 (b) are schematic diagrams of the present invention when the middle frame measurement is subjected to the off-angle processing.
1. Lifting mechanism of large bottom plate 2 and vacuum chuck
3. Pressure maintaining clamp 4 and middle frame
5. Middle frame long side upper left motor positioning module 6 and middle frame long side lower left motor positioning module
7. Middle frame long side upper right motor positioning module 8 and middle frame long side lower right motor positioning module
9. Middle frame upper short side motor positioning module 10 and middle frame lower short side motor positioning module
11. Z-axis sliding table motor 12 and cushion block
13. Tension sensor 14, vacuum chuck
15. Z-axis sliding table motor connecting plate 16 and voice coil motor
17. Voice coil motor connecting plate 18 and middle frame positioning push bar
19. Display screen positioning push bar 20 and round corner rectangular hole
21. Rectangular clamp 22 and support column
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3, the invention provides a six-directional motor flexible precision positioning assembly mobile phone display screen mechanism, which comprises a large base plate 1, a vacuum chuck lifting mechanism 2, a pressure maintaining clamp 3, a middle frame 4, a middle frame long-side upper left motor positioning module 5, a middle frame long-side lower left motor positioning module 6, a middle frame long-side upper right motor positioning module 7, a middle frame long-side lower right motor positioning module 8, a middle frame upper short-side motor positioning module 9 and a middle frame lower short-side motor positioning module 10, wherein the vacuum chuck lifting mechanism 2 is arranged in the middle of the large base plate 1, the pressure maintaining clamp 3 is sleeved on the periphery of the vacuum chuck lifting mechanism 2, the middle frame 4 is arranged above the vacuum chuck lifting mechanism 2, the upper parts of the left side and the right sides of the large base plate 1 are symmetrically provided with the middle frame long-side upper left motor positioning module 5, the middle frame long-side upper right motor positioning module 7, the middle frame long-side lower left motor positioning module 6 and the middle frame long-side lower right motor positioning module 8, the front and back sides of the large base plate 1 are symmetrically provided with the middle frame long-side lower left motor positioning module 10, the middle frame upper short-side motor positioning module 9, the middle frame upper left-side motor positioning module 9 and the middle frame long-side lower motor positioning module 6 and the middle frame long-side lower positioning frame long-side motor positioning module 8 are positioned on the front and back and right side positioning frame long-side upper-side positioning frame long-side lower positioning module 8;
the vacuum chuck lifting mechanism 2 comprises a Z-axis sliding table motor 11, a cushion block 12, a tension sensor 13 and a vacuum chuck 14, wherein the Z-axis sliding table motor 11 in the vacuum chuck lifting mechanism 2 is arranged in the middle of the large base plate 1, the cushion block 12 is arranged on the Z-axis sliding table motor 11 in the vacuum chuck lifting mechanism 2, the tension sensor 13 is arranged on the cushion block 12, the vacuum chuck 14 is arranged on the tension sensor 13, and the middle frame 4 is arranged on the vacuum chuck 14;
the middle-frame long-side upper left motor positioning module 5 comprises a Z-axis sliding table motor 11, a Z-axis sliding table motor connecting plate 15, a voice coil motor 16, a voice coil motor connecting plate 17, a middle-frame positioning push rod 18 and a display screen positioning push rod 19, wherein the Z-axis sliding table motor 11 in the middle-frame long-side upper left motor positioning module 5 is arranged on a large bottom plate 1, the Z-axis sliding table motor connecting plate 15 is arranged on the Z-axis sliding table motor 11 in the middle-frame long-side upper left motor positioning module 5, the voice coil motor 16 is arranged on the Z-axis sliding table motor connecting plate 15, the voice coil motor connecting plate 17 is arranged on the voice coil motor 16, the middle-frame positioning push rod 18 is arranged on one side, close to the middle frame 4, of the voice coil motor connecting plate 17, and the display screen positioning push rod 19 is arranged on the middle-frame positioning push rod 18.
The Z-axis sliding table motor 11 in the middle frame long-side left upper motor positioning module 5 is fixedly arranged on the large bottom plate 1 through four screws.
The big bottom plate 1 is cross-shaped, and the side length of the left side and the right side of the big bottom plate 1 is twice the side length of the front side and the rear side.
The shape of the pad 12 is square, and the shape of the vacuum cup 14 is rectangular.
The voice coil motor connecting plate 17 is trapezoidal in shape, and two round corner rectangular holes 20 are symmetrically formed in the left side and the right side of the voice coil motor connecting plate 17 respectively.
The voice coil motor 16 adopts a motor with the model number of akyibsitisaml 80-20, the Z-axis sliding table motor 11 adopts a motor with the model number of SZH-8010-TZ, and the tension sensor 13 adopts a sensor with the model number of LF 605-H15.
The pressure maintaining clamp 3 comprises a rectangular clamp 21 and support columns 22, wherein the rectangular clamp 21 is arranged on the large base plate 1 through four support columns 22 on the top angle of the rectangular clamp.
Examples
As shown in FIG. 1, the six-direction motor flexible precision positioning mobile phone display screen assembling mechanism calculates and normalizes mobile phone products by adopting a combination mode of a voice coil motor 16 and a precision Z-axis sliding table motor 11, wherein the voice coil motor 16 has excellent performances of high acceleration, high speed, quick response, smooth force characteristic and the like, the repeated positioning precision can reach +/-1.0 mu m, the running flatness and the running straightness can reach +/-1.8 mu m, the product position degree can be calculated more accurately and quickly, and the accurate product positioning is completed. Not only realizing the assembly precision required by customers, but also saving the assembly time of products and reducing the manpower input.
The positioning assembly mechanism is divided into a middle frame 4 positioning part and a display screen positioning part, the voice coil motor 16 drives the positioning assembly mechanism to sequentially align the middle frame 4 and the display screen in sequence, the precise Z-axis sliding table motor 11 is responsible for adjusting the height of the alignment mechanism, the repeated positioning precision can reach +/-5 mu m, the running verticality can reach +/-0.02 mm, the height position of the alignment structure can be precisely controlled, and the product interference is prevented from affecting the precision when the middle frame 4 and the display screen are aligned respectively. The positioning and assembling mechanism is a structure for positioning and centering the mobile phone middle frame 4 by using six voice coil motors 16, and the positioning and centering steps of the middle frame 4 and the display screen are completed by mutually matching the positioning module parts of each motor, and the specific positioning and assembling process is as follows.
The positioning of the middle frame 4 is performed in two steps, firstly, the middle frame 4 is measured, because each product has a dimensional error, in order to make up for the difference of each product, the middle frame 4 is aligned from the left side, the right side, the front side and the rear side respectively by using a six-direction motor positioning module, a Z-axis sliding table motor 11 in the six motor positioning modules is responsible for Z-direction movement of the modules, a voice coil motor 16 is responsible for precisely positioning the middle frame 4 by the modules, the algorithm control of the voice coil motor 16 can control the output force and monitor the claw position, a middle frame positioning push bar 18 is driven by the voice coil motor 16 to respectively measure and position the middle frame 4, after two opposite position point widths of the middle frame 4 are respectively acquired, a middle frame 4 size is formed through simulation according to an actual measurement value, and the simulated middle frame 4 size and the actual calibration position of the middle frame 4 are compared and calculated, so as to obtain the center position of the middle frame 4; and in the second step, the theoretical position of the middle frame 4 is calculated according to the combination of the center position of the middle frame 4 and the theoretical center position obtained in the first step, the middle frame 4 is positioned for the second time through six motor positioning modules, the middle frame 4 is fixed at the theoretical position, and the middle frame 4 is fixed by the vacuum chuck 14 in the vacuum chuck lifting mechanism 2 through adsorption, so that the position cannot deviate.
When the display screen is positioned, the Z-axis sliding table motor 11 in the six motor positioning modules can be lifted to a height, so that the situation that the Z-axis sliding table motor cannot collide with the positioned middle frame 4 is ensured, the positioning principle of the display screen is the same as that of the middle frame 4, the display screen and the middle frame 4 are positioned by using the same group of six-azimuth motor positioning modules, the consistency of the positioning reference and the equipment parameters of the mobile phone display screen and the middle frame 4 is ensured, and the adverse conditions caused by the positioning reference and the equipment parameters are reduced; after the display screen is positioned, the display screen is fixed in vacuum by using an external vertical upper sucker, and after the positioning module of the six-azimuth motor is withdrawn, the assembly and the lamination are carried out.
When assembling and laminating, the middle frame 4 is sucked by the vacuum chuck 14, the display screen is fixed by the external vertical upper chuck, the middle frame 4 and the display screen after assembling and laminating are jointly carried by the vacuum chuck 14 in the external vertical upper chuck and the vacuum chuck lifting mechanism 2 to descend, so that the middle frame 4 and the display screen fall into the pressure maintaining clamp 3, in the descending process, the external vertical upper chuck and the tension sensor 13 of the vacuum chuck 14 in the vacuum chuck lifting mechanism 2 can monitor and control the pressure value in real time, and the fact that the overshoot pressure does not exist between the middle frame 4 and the display screen in the descending process is ensured, and products are damaged.
The specific steps of the positioning and assembling mechanism when the middle frame 4 and the display screen are measured and calculated are as follows.
And step 1, manufacturing a standard size calibration block according to the standard middle frame 4 and the standard display screen size, wherein the calibration block is used for setting a standard value, namely determining a standard size template, and performing subsequent measurement centering according to the template.
And 2, measuring the long side direction of the centering frame 4 to obtain a measured value, comparing the measured value with a standard value of a calibration block, and calculating the long side centering coordinate of the voice coil motor 16 through an algorithm to obtain the required running distance of the long side.
Step 3, measuring the broadside direction of the middle frame 4 to obtain a measured value, comparing the measured value with a standard value of a calibration block, and calculating the broadside centering coordinate of the voice coil motor 16 through an algorithm to obtain the required running distance of the broadside; this achieves a centring of the long side and the wide side of the intermediate frame 4.
And 4, the algorithm process of display screen measurement and centering is similar to that of the middle frame 4, the long side and the wide side are respectively measured, the measured size is compared with the standard value of the calibration block, and the distance required to be operated when the display screen is centered and placed in the middle frame 4 is calculated.
And 5, when the material tolerance of the incoming material middle frame 4 is larger, the measured sizes on the long side of the middle frame 4 and under the long side of the middle frame 4 are deviated, a maximum display screen range which can be enlarged by the middle frame 4 is calculated according to the deviation, the size range is judged, the screen is continuously assembled when the size range meets the display screen size tolerance, and the abnormality is prompted when the size range does not meet the display screen size tolerance.
And 6, when the material of the incoming material middle frame 4 is not standard, the condition that a corner exists after the upper and lower measurement of the long edge of the middle frame 4 possibly exists, and the corner treatment is needed when a display screen is placed.
As shown in fig. 4 (a), 4 (b), 5 (a), and 5 (b), the specific steps in the present positioning and assembling mechanism for performing the anisotropic treatment on the center 4 are as follows.
Step 1, starting the equipment, lifting the Z-axis motor, moving 6 voice coil motors 16 to a measuring position, starting moment modes of the 6 voice coil motors 16, and performing contact measurement, wherein measuring coordinates are D1, D2, D3, D4, D5 and D6.
Step 2, comparing the measured coordinates with the calibrated coordinates after the measurement is completed: d1-1=d1-D1-0 (D1-1 calibrates the measurement bias).
And 3, comparing the calibration measurement deviation of the 6 voice coil motors 16, and judging whether the abnormal shape phenomenon of the large head and the small head of the middle frame 4 occurs or the deflection angle phenomenon of the middle frame 4 occurs.
And 4, calculating the maximum allowable length and width in the actual middle frame 4 and calculating the center coordinate of the theoretical middle frame 4 through coordinate calculation when the middle frame 4 is abnormal in size and head.
And 5, measuring deflection angles of the middle frame 4, and calculating an included angle between the central axis of the virtual middle frame 4 and the standard axis through coordinate calculation.
And 6, after the measurement of the middle frame 4 is completed, the device starts to measure a mobile phone screen (CG), and the 6 voice coil motors 16 start moment modes to perform contact measurement, wherein the measurement coordinates are CG1, CG2, CG3, CG4, CG5 and CG6.
And 7, comparing the measured coordinates with the calibrated coordinates after the measurement is completed: CG1-1 = CG1-0 (CG 1-1 calibration measurement bias).
And 8, calculating the maximum allowable length and width of the actual CG and calculating the center coordinate of the theoretical CG through coordinate calculation when the large and small head abnormal shape of the mobile phone screen (CG) occurs.
And 9, measuring deflection angles of a mobile phone screen (CG), and calculating an included angle between a virtual CG central axis and a standard axis through coordinate calculation.
And step 10, after the measurement of the middle frame 4 and the mobile phone screen (CG) is completed, comparing whether the size of the virtual middle frame 4 is matched with the size of the virtual CG or not after the middle frame 4 is adsorbed and fixed. If the two types of the positioning and assembling mechanisms are not matched, the positioning and assembling mechanisms alarm and process. If so, the positioning assembly mechanism begins assembly.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. Six position motor flexible precision positioning equipment cell-phone display screen mechanisms, its characterized in that: the device comprises a large bottom plate, a vacuum chuck lifting mechanism, a pressure maintaining clamp, a middle frame long-side upper left motor positioning module, a middle frame long-side lower right motor positioning module, a middle frame upper short-side motor positioning module and a middle frame lower short-side motor positioning module, wherein the vacuum chuck lifting mechanism is mounted in the middle of the large bottom plate, the pressure maintaining clamp is sleeved on the periphery of the vacuum chuck lifting mechanism, the middle frame is placed above the vacuum chuck lifting mechanism, the middle frame long-side upper left motor positioning module and the middle frame long-side upper right motor positioning module are symmetrically arranged on the upper parts of the left and the right of the large bottom plate, the middle frame long-side lower left motor positioning module and the middle frame long-side lower right motor positioning module are symmetrically arranged on the lower parts of the left and right of the large bottom plate, the middle frame long-side lower short-side motor positioning module and the middle frame upper short-side motor positioning module are symmetrically arranged on the front and back of the large bottom plate, the middle frame long-side upper left motor positioning module, the middle frame long-side lower motor positioning module and the middle frame long-side lower motor positioning module are identical in mechanical structure; the large bottom plate is in a cross shape, and the side lengths of the left side and the right side of the large bottom plate are twice the side lengths of the front side and the rear side; the pressure maintaining clamp comprises a rectangular clamp and support columns, and the rectangular clamp is arranged on the large bottom plate through four support columns on the top angle of the rectangular clamp;
the vacuum chuck lifting mechanism comprises a Z-axis sliding table motor, a cushion block, a tension sensor and a vacuum chuck, wherein the Z-axis sliding table motor in the vacuum chuck lifting mechanism is arranged in the middle of a large bottom plate, the cushion block is arranged on the Z-axis sliding table motor in the vacuum chuck lifting mechanism, the tension sensor is arranged on the cushion block, the vacuum chuck is arranged on the tension sensor, and a middle frame is arranged on the vacuum chuck;
the upper left motor positioning module of the middle frame comprises a Z-axis sliding table motor, a Z-axis sliding table motor connecting plate, a voice coil motor connecting plate, a middle frame positioning push rod and a display screen positioning push rod, wherein the Z-axis sliding table motor in the upper left motor positioning module of the middle frame is arranged on a large bottom plate, the Z-axis sliding table motor connecting plate is arranged on the Z-axis sliding table motor in the upper left motor positioning module of the middle frame, the voice coil motor is arranged on the Z-axis sliding table motor connecting plate, the voice coil motor connecting plate is arranged on the voice coil motor, the middle frame positioning push rod is arranged on one side, close to the middle frame, of the voice coil motor connecting plate, and the display screen positioning push rod is arranged on the middle frame positioning push rod.
2. The six-directional motor flexible precision positioning assembly mobile phone display screen mechanism according to claim 1, wherein: and a Z-axis sliding table motor in the middle frame long-side left upper motor positioning module is fixedly arranged on the large bottom plate through four screws.
3. The six-directional motor flexible precision positioning assembly mobile phone display screen mechanism according to claim 1, wherein: the shape of the cushion block is square, and the shape of the vacuum chuck is rectangular.
4. The six-directional motor flexible precision positioning assembly mobile phone display screen mechanism according to claim 1, wherein: the shape of the voice coil motor connecting plate is trapezoid, and two round corner rectangular holes are symmetrically formed in the left side and the right side of the voice coil motor connecting plate respectively.
5. The six-directional motor flexible precision positioning assembly mobile phone display screen mechanism according to claim 1, wherein: the voice coil motor adopts a motor with the model number of akyibsitisAML 80-20, the Z-axis sliding table motor adopts a motor with the model number of SZH-8010-TZ, and the tension sensor adopts a sensor with the model number of LF 605-H15.
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| CN202310557926.XA CN116275960B (en) | 2023-05-18 | 2023-05-18 | Flexible precise positioning and assembling mobile phone display screen mechanism for six-direction motor |
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| CN111300043A (en) * | 2020-04-15 | 2020-06-19 | 苏州市朗电机器人有限公司 | Mobile phone screen assembly equipment based on CCD visual system |
| CN115383416A (en) * | 2021-05-25 | 2022-11-25 | 广东以诺通讯有限公司 | Cell-phone screen counterpoint lamination equipment |
| CN115383421A (en) * | 2022-08-16 | 2022-11-25 | 苏州市朗电机器人有限公司 | Mobile phone screen assembly device based on accurate positioning and operating system thereof |
| CN115218839A (en) * | 2022-09-19 | 2022-10-21 | 天津津亚电子有限公司 | Centering control method of alignment structure based on middle frame and CG (computer graphic) group screen |
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