A mounting device for mobile phone screen

Abstract

The present invention discloses a mounting device for a mobile phone screen, comprising a fixture, heating blocks arranged on the four sides of the fixture, a first rolling mechanism moving along the X-axis direction of the fixture, a second rolling mechanism moving along the Y-axis direction of the fixture, and a pressure-holding mechanism directly above the fixture; and a control unit, comprising a microcontroller and a pressure sensor unit connected to the first rolling mechanism, the second rolling mechanism and the pressure-holding mechanism, wherein the first rolling mechanism, the second rolling mechanism and the pressure-holding mechanism successively receive signals from the microcontroller, apply downward pressure to the heating block to perform corresponding actions, and control the output power of the first rolling mechanism, the second rolling mechanism and the pressure-holding mechanism according to whether the pressure signal transmitted by the received pressure sensor unit reaches a set threshold. The device of the present invention realizes active and precise control of the output power of the relevant motors in the equipment during the automatic operation process, thereby reducing the generation of defective products.

Description

Technical Field

[0001] The invention belongs to the field of mobile phone manufacturing equipment, and in particular relates to a mounting device for a mobile phone screen. Background Art

[0002] The installation process of mobile phone screen mainly includes two steps: rolling and holding pressure. Therefore, the installation equipment of mobile phone screen inevitably needs to use motor power parts. During use, as time goes by, the motor power parts in the equipment will have control deviations during use. When deviations occur, if the equipment is not calibrated in time, it is easy to produce defective products or damage products. Although regular system maintenance and calibration of equipment are currently adopted, it still cannot be 100% avoided. Summary of the invention

[0003] In view of the above problems, the present invention proposes a mounting device capable of adaptively adjusting a mobile phone screen.

[0004] To achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A mounting device for a mobile phone screen, comprising a fixture,

[0006] The heating blocks arranged on the four sides of the jig are used to position and heat the mobile phone and its screen placed in the jig;

[0007] It also includes a first rolling mechanism moving along the X-axis direction of the fixture, a second rolling mechanism moving along the Y-axis direction of the fixture, and a pressure-maintaining mechanism arranged directly above the fixture;

[0008] and a control unit, including a microcontroller and a pressure sensor unit connected to the first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism. The first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism successively receive signals from the microcontroller, apply downward pressure to the heating block to perform corresponding actions, and control the output power of the first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism according to whether the pressure signal transmitted by the received pressure sensor unit reaches a set threshold.

[0009] As a further improvement of the present invention, the first rolling mechanism or the second rolling mechanism includes a screw drive mechanism, a slider, a mounting seat and a group of symmetrically arranged pressure rollers at the bottom of the mounting seat, and the pressure rollers are arranged coplanarly with the corresponding heating blocks; the slider is connected to the mounting seat, and the slider drives the mounting seat to move synchronously along the guide direction of the screw, and the slider is provided with a vertical guide groove in the vertical direction for the mounting seat to move in the vertical direction.

[0010] As a further improvement of the present invention, the pressure sensor unit includes a first pressure sensor arranged at the bottom of the vertical guide groove, and the microcontroller controls the output power of the servo motor according to the signal received from the first pressure sensor.

[0011] As a further improvement of the present invention, the pressure maintaining mechanism includes a hydraulic motor, a fine-tuning buffer mechanism and a pressure block. The hydraulic motor is vertically arranged, and the fine-tuning buffer mechanism and the pressure block are connected in sequence directly below the telescopic shaft of the hydraulic motor. The fine-tuning buffer mechanism is used to provide a buffer force in the vertical direction.

[0012] As a further improvement of the present invention, the cross-sectional area of ​​the pressing block is larger than the rectangular area enclosed by the four-sided heating blocks.

[0013] As a further improvement of the present invention, the fine-tuning mechanism includes connecting plates whose areas decrease step by step from top to bottom, the pressure block is installed below the lowest connecting plate, and the uppermost connecting plate is connected to the mounting seat for fixing the hydraulic motor through a guide rod; wherein one end of the guide rod connected to the upper connecting plate is a fixed end, and the other end is a free end; the graded connecting plates located at the lower layer are connected in sequence through connecting rods, and the contact surface between the connecting rod or the guide rod and the connecting plate is provided with a buffer sheet.

[0014] As a further improvement of the present invention, the pressure sensor unit includes a second pressure sensor arranged between the pressure block and the contact surface of the connecting plate, and the microcontroller controls the output power of the hydraulic motor according to the signal received from the second pressure sensor.

[0015] As a further improvement of the present invention, the heating block is rotatably fixed to the inner wall of the fixture through rotating shafts at both ends, and the upper and lower planes of the four heating blocks after being enclosed are coplanar, wherein the cross-section of the heating block is a boss structure, the step width of the boss is the same as the width of the heating blocks on both sides, and the height of the boss is equal to half the thickness of the heating block.

[0016] As a further improvement of the present invention, the control unit is electrically connected to the heating block, the first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism to control the action of any of the components during operation.

[0017] As a further improvement of the present invention, it comprises at least two sets of the above-mentioned installation devices for mobile phone screens arranged in parallel.

[0018] Beneficial effects of the present invention: The present invention detects and monitors the size of the force acting on the product during rolling or holding pressure by means of a pressure sensor unit arranged in the equipment, thereby achieving active and precise control of the output power of related motors in the equipment during automatic operation, thereby avoiding defective products caused by equipment wear and failure to maintain in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The schematic diagram of the structure of the device of the present invention is

[0020] Figure 2 It is a structural diagram of the fixture;

[0021] Figure 3 It is a schematic diagram of the rolling mechanism structure;

[0022] Figure 4 It is a schematic diagram of the pressure-maintaining mechanism structure;

[0023] Among them: 1-jig, 2-heating block, 3-first rolling mechanism, 4-second rolling mechanism, 01-screw driving mechanism, 02-slider, 03-mounting seat, 04-pressure roller, 05-vertical guide groove, 5-pressure maintaining mechanism, 501-hydraulic motor, 502-connecting plate, 503-connecting rod, 504-pressing block. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] The application principle of the present invention is described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1 In one embodiment of the present invention, two sets of installation devices for mobile phone screens are arranged in parallel on the support cabinet, and the main structure of each set of installation devices is as follows:

[0027] It includes a fixture 1, which has a groove for setting a processing position, the groove is used to place the mobile phone to be processed, and the size of the groove is designed according to the size of the mobile phone to be processed;

[0028] The heating blocks 2 arranged on the four sides of the jig 1 are used to position and heat the mobile phone and its screen placed in the groove of the jig 1;

[0029] It also includes a first rolling mechanism 3 moving along the X-axis direction of the fixture 1, a second rolling mechanism 4 moving along the Y-axis direction of the fixture 1, and a pressure-maintaining mechanism 5 arranged directly above the fixture 1.

[0030] and a control unit, wherein the control unit is electrically connected to the heating block 2, the first rolling mechanism 3, the second rolling mechanism 4 and the pressure-holding mechanism 5, and controls the action of any of the components during operation. The control unit includes a microcontroller and a pressure sensor unit connected to the first rolling mechanism 3, the second rolling mechanism 4 and the pressure-holding mechanism 5, and the first rolling mechanism 3, the second rolling mechanism 4 and the pressure-holding mechanism 5 successively receive signals from the microcontroller, apply downward pressure to the heating block 2 to perform corresponding actions, and control the output power of the first rolling mechanism 3, the second rolling mechanism 4 and the pressure-holding mechanism 5 according to whether the pressure signal transmitted by the received pressure sensor unit reaches a set threshold.

[0031] Specifically, the first rolling mechanism 3 or the second rolling mechanism 4 includes a screw drive mechanism 01, a slider 02, a mounting seat 03 and a group of symmetrically arranged pressure rollers 04 at the bottom of the mounting seat 03, and the pressure rollers 04 are arranged coplanarly with the corresponding heating block; the slider 02 is connected to the mounting seat 03, and the slider 02 drives the mounting seat 03 to move synchronously along the guide direction of the screw, and the slider 02 is provided with a vertical guide groove 05 in the vertical direction for the mounting seat 03 to move in the vertical direction. When the rolling operation starts or ends, it drives the mounting seat 03 and the pressure roller 04 to move in the vertical direction to contact or separate from the surface of the heating block 2.

[0032] In another embodiment of the invention, a first pressure sensor is provided at the bottom of the vertical guide groove 05, and the pressure value monitored by the first pressure sensor is equal to the pressure value exerted on the surface of the heating block 2 by the first rolling mechanism 3 or the second rolling mechanism 4. The microcontroller controls the output power of the servo motor 01 according to the signal received from the first pressure sensor.

[0033] The pressure-maintaining mechanism 5 is used to maintain the pressure of the entire surface of the product screen, and includes a hydraulic motor 501, a fine-tuning buffer mechanism and a pressure block 504. The hydraulic motor 501 is vertically arranged, and the fine-tuning buffer mechanism and the pressure block 504 are sequentially connected directly below the telescopic shaft of the hydraulic motor 501. The fine-tuning buffer mechanism is used to provide a buffer force in the vertical direction. The cross-sectional area of ​​the pressure block 504 is larger than the rectangular area enclosed by the four-sided heating blocks 2.

[0034] The fine-tuning mechanism comprises a connecting plate 502 with a gradually decreasing area from top to bottom, the pressing block 504 is installed below the lowest connecting plate 502, the uppermost connecting plate 502 is connected to the mounting seat 03 fixing the hydraulic motor 501 through a guide rod 5, one end of the guide rod 5 connected to the upper connecting plate 502 is a fixed end, and the other end is a free end; the graded connecting plates 502 located at the lower layer are sequentially connected through connecting rods 503, the connecting rods 503 or the guide rods 5 are made of hard metal materials, and a buffer sheet is provided on the contact surface with the connecting plate 502, which plays a role of supporting and fine-tuning buffer. The guide rods 5 and the connecting rods 503 are symmetrically installed at four right angles. In one embodiment of the present invention, a second pressure sensor is arranged at the contact surface between the pressing block 504 and the connecting plate 502, and the microcontroller controls the hydraulic motor 501 according to the pressure value transmitted by the second pressure sensor.

[0035] The heating block 2 is rotatably fixed to the inner wall of the fixture 1 through the rotating shafts at both ends, and the upper and lower planes of the four heating blocks 2 after encirclement are coplanar. Therefore, the cross-section of the heating block 2 is designed as a boss structure, the step width of the boss is the same as the width of the heating blocks 2 on both sides, and the height of the boss is equal to half the thickness of the heating block 2, so as to ensure that after encirclement, the overall thickness of the heating blocks 2 on the adjacent two sides in the overlapping area and the non-overlapping area is the same.

[0036] In the embodiment of the present invention, the pressure sensor and the microprocessor are commercially available electronic modules.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A mounting device for a mobile phone screen, characterized in that: Including fixtures, The heating blocks arranged on the four sides of the jig are used to position and heat the mobile phone and its screen placed in the jig; It also includes a first rolling mechanism moving along the X-axis direction of the fixture, a second rolling mechanism moving along the Y-axis direction of the fixture, and a pressure-maintaining mechanism arranged directly above the fixture; and a control unit, comprising a microcontroller and a pressure sensor unit connected to the first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism, wherein the first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism successively receive signals from the microcontroller, apply downward pressure to the heating block to perform corresponding actions, and control the output power of the first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism according to whether the pressure signal transmitted by the received pressure sensor unit reaches a set threshold; The first rolling mechanism or the second rolling mechanism comprises a screw drive mechanism, a slider, a mounting seat and a group of symmetrically arranged pressure rollers at the bottom of the mounting seat, wherein the pressure rollers are arranged coplanarly with the corresponding heating blocks; the slider is connected to the mounting seat, and the slider drives the mounting seat to move synchronously along the guide direction of the screw, and the slider is provided with a vertical guide groove in the vertical direction for the mounting seat to move in the vertical direction; The pressure-maintaining mechanism comprises a hydraulic motor, a fine-tuning buffer mechanism and a pressure block, the hydraulic motor is vertically arranged, the fine-tuning buffer mechanism and the pressure block are sequentially connected directly below the telescopic shaft of the hydraulic motor, and the fine-tuning buffer mechanism is used to provide a buffer force in the vertical direction; The cross-sectional area of ​​the pressing block is larger than the rectangular area enclosed by the four-sided heating blocks; The fine-tuning buffer mechanism includes connecting plates with gradually decreasing areas from top to bottom, the pressure block is installed below the lowest connecting plate, and the uppermost connecting plate is connected to the mounting seat for fixing the hydraulic motor through a guide rod; wherein one end of the guide rod connected to the upper connecting plate is a fixed end, and the other end is a free end; the graded connecting plates located at the lower layer are connected in sequence through connecting rods, and a buffer sheet is provided on the contact surface between the connecting rod or the guide rod and the connecting plate.

2. The installation device for a mobile phone screen according to claim 1, characterized in that: The pressure sensor unit includes a first pressure sensor arranged at the bottom of the vertical guide groove.

3. The installation device for a mobile phone screen according to claim 1, characterized in that: The pressure sensor unit includes a second pressure sensor disposed between the pressure block and the contact surface of the connecting plate, and the microcontroller controls the output power of the hydraulic motor according to the signal received from the second pressure sensor.

4. The installation device for a mobile phone screen according to claim 1, characterized in that: The heating block is rotatably fixed to the inner wall of the fixture through rotating shafts at both ends, and the upper and lower planes of the four heating blocks are coplanar, wherein the cross-section of the heating block is a boss structure, the step width of the boss is the same as the width of the heating blocks on both sides, and the height of the boss is equal to half the thickness of the heating block.

5. The installation device for a mobile phone screen according to claim 1, characterized in that: The control unit is electrically connected to the heating block, the first rolling mechanism, the second rolling mechanism and the pressure-maintaining mechanism, and controls the action of any of the components during operation.

6. A mounting device for a mobile phone screen according to any one of claims 1 to 5, comprising at least two sets of parallel arrangements.

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