A glass cover plate grinding and cutting device for a mobile phone liquid crystal assembly

By designing an automated grinding device, the coordinated work of lifting drive components and grinding components is solved, and the problem of inaccurate grinding and cutting of glass covers is achieved, and the protection of precise grinding and grinding heads is achieved, adapting to the fixation of different mobile phone sizes.

CN117140313BActive Publication Date: 2025-08-05DONGGUAN YOUMIJIA AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202311106194.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-30
Publication Date
2025-08-05
Estimated Expiration
2043-08-30

AI Technical Summary

Technical Problem

In the prior art, the groove of the glass cover plate of the mobile phone LCD assembly relies on manual operation, which is prone to inaccurate damage to the body due to inaccurate grinding and cutting.

Method used

A device including a machine, a first module, a second module, a lift drive assembly, a grinding assembly, a mobile phone fixing assembly and a control system is designed. Through the coordinated work of the lift drive assembly and a grinding assembly, the position change of the movable frame is used to sense the position of the movable frame, and the grinding depth and direction of the grinding head are controlled to achieve automated and precise grinding.

Benefits of technology

It realizes accurate grinding and cutting of glass covers, reduces damage to the body, improves the service life of the grinding head, and keeps the glass covers clean, adapts to the fixation of mobile phones of different sizes, and has high compatibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of mobile phone repair, and in particular to a glass cover grinding and cutting device for a mobile phone liquid crystal assembly, which includes a machine platform, a first module, a second module, a lifting drive component, a grinding and cutting component, a mobile phone fixing component, and a control system. A gantry is provided on the top of the machine platform, the first module is transversely fixed to the crossbeam of the gantry, the first module drives the lifting drive component to move left and right, the grinding and cutting component includes a mounting seat, a grinding head, a driving member, a movable frame, and a dial indicator, the driving member drives the grinding head to rotate, the movable frame is movably connected to the mounting seat, and the movable direction is the length direction of the grinding head, the dial indicator is fixed to the mounting seat and its probe is in contact with the movable frame, the lifting drive component drives the mounting seat to rise and fall, and the second module drives the mobile phone fixing component to move back and forth. The present application realizes grinding and cutting multiple vertical and horizontal grooves on the glass cover of the mobile phone liquid crystal assembly, and the grinding and cutting depth is accurate, and it is not easy to damage the mobile phone body.
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Description

Technical Field

[0001] The present application relates to the technical field of mobile phone repair, and more specifically, to a glass cover grinding and cutting device for a mobile phone liquid crystal assembly. Background Art

[0002] When the glass cover of a mobile phone's LCD assembly is accidentally broken and needs to be repaired, multiple vertical and horizontal grooves need to be cut into the glass cover to facilitate the removal of the back cover from the body. In the related art, the glass cover of the mobile phone's LCD assembly is grooved by a technician using a handheld grinding and cutting device according to a preset path. This method relies heavily on the technician's skills and is prone to inaccurate grinding and cutting that may damage the body. Summary of the Invention

[0003] In order to solve the problem in the related art that the grooving of the glass cover plate of the mobile phone LCD assembly is performed by technicians using a handheld grinding and cutting device according to a preset path, which is prone to inaccurate grinding and cutting and may damage the body, the present application provides a glass cover plate grinding and cutting device for a mobile phone LCD assembly.

[0004] A glass cover grinding and cutting device for a mobile phone liquid crystal assembly comprises a machine platform, a first module, a second module, a lifting drive assembly, a grinding and cutting assembly, a mobile phone fixing assembly, and a control system. A gantry is provided on the top of the machine platform, the first module is transversely fixed to the crossbeam of the gantry, the first module is connected to the lifting drive assembly to drive the lifting drive assembly to move left and right, the grinding and cutting assembly comprises a mounting seat, a grinding head, a driving member, a movable frame, and a dial indicator, the driving member is fixed to the mounting seat and connected to the grinding head to drive the grinding head to rotate, the movable frame is movably connected to the mounting seat, and the movable direction is the length direction of the grinding head, the dial indicator is fixed to the mounting seat and its probe abuts against the movable frame, the lifting drive assembly is connected to the mounting seat to drive the mounting seat to rise and fall, the second module is located below the grinding and cutting assembly and fixed to the top of the machine platform, the second module is connected to the mobile phone fixing assembly to drive the mobile phone fixing assembly to move back and forth, and the first module, the second module, the lifting drive assembly, and the driving member are all connected to the control system signal.

[0005] By adopting the above technical solution, the mobile phone fixing component is used to fix the mobile phone, and the lifting drive component drives the mounting seat to lift and lower, driving the grinding head and the movable frame to lift and lower, so that the grinding head moves to the mobile phone fixing component to grind and cut the mobile phone, and the movable frame abuts against the glass cover plate of the mobile phone LCD assembly to move by force and senses the position change of the movable frame through the dial indicator, and transmits the position change signal to the control system. The control system judges the grinding depth of the grinding head through the algorithm, thereby controlling the driving amount of the lifting drive component to achieve the purpose of controlling the grinding depth of the glass cover plate of the mobile phone LCD assembly, so that the grinding depth is accurate and not easy to damage the mobile phone body. At the same time, the first module controls the lifting drive component to move left and right, so that the grinding head grinds the glass cover plate of the mobile phone LCD assembly horizontally, and the second module drives the mobile phone fixing component to move back and forth, so that the grinding head grinds the glass cover plate of the mobile phone LCD assembly vertically, so as to grind multiple vertical and horizontal grooves in the glass cover plate of the mobile phone LCD assembly.

[0006] Preferably, the mounting seat includes a base plate, a vertical plate and a functional block, the vertical plate is upright and fixed on the top surface of the base plate, the functional block is fixed on the bottom surface of the base plate, the vertical plate is provided with a clamping member to clamp and fix the driving member, the base plate is provided with an opening for the grinding head to pass through, the functional block is provided with a accommodating groove for the movable frame to move, the accommodating groove is connected to the opening, and the functional block is provided with a groove at the bottom of the accommodating groove for the grinding head to pass through.

[0007] By adopting the above solution, the clamping member clamps the driving member to achieve fixed installation of the driving member, the accommodating groove allows the movable frame to have movable space, and the slots and holes are opened to avoid the grinding head.

[0008] Preferably, the movable frame includes a movable rod, a sleeve, an abutment ring, a connecting ring, and an abutment rod. There are two sleeves, which are respectively placed on both sides of the grinding head and uprightly fixed on the bottom surface of the accommodating groove. There are two movable rods, and one movable rod is passed through one sleeve and passes through the functional block to move. The other movable rod is passed through the other sleeve and passes through the functional block to move. The connecting ring is sleeved on the grinding head and connected to the top ends of the two movable rods. The abutment ring is sleeved on the grinding head and connected to the bottom ends of the two movable rods. The abutment rod is connected to the connecting ring. The dial indicator is fixed on the base plate and the measuring head abuts against the abutment rod.

[0009] By adopting the above technical solution, the abutting ring abuts against the back cover to achieve stable force and the movable rod moves so that the abutting rod presses the probe of the dial indicator, so that the dial indicator senses the force condition of the abutting ring.

[0010] Preferably, it also includes a water supply pipe and a water supply connector, the water supply pipe is connected to the water supply connector, a clamping groove is opened on one side of the functional block, the clamping groove is connected to the slot, the water supply connector is clamped to the port of the clamping groove for connecting to an external water supply device, the water supply pipe passes through the clamping groove and its port is close to the grinding head.

[0011] By adopting the above technical solution, external water supply equipment supplies water to the water pipe, and the water pipe sprays water onto the grinding head, which cools the grinding head in real time during the processing process, thereby increasing the service life of the grinding head.

[0012] Preferably, a chip suction joint is further included, a chip suction hole is provided on the side of the functional block away from the water supply joint, the chip suction hole is connected to the slot, and the chip suction joint is fixed to the port of the chip suction hole for connection with an external chip suction device.

[0013] By adopting the above technical solution, the external chip suction device sucks the fine chips after processing the glass cover plate of the mobile phone LCD assembly and the water that falls into the mobile phone through the chip suction hole, and transports the fine chips and water out of the surface of the mobile phone, keeping the glass cover plate of the mobile phone LCD assembly clean, and reducing the situation where the movable frame is pressed by fine chips, resulting in inaccurate position data.

[0014] Preferably, the mobile phone fixing assembly includes a frame, a fixing plate, a pressure block, and an adjusting screw. A mounting plate is provided in the middle of the frame, a first movable groove is provided on one side of the mounting plate, the pressure block moves in the first movable groove, the fixing plate is fixed to the mounting plate and covers the first movable groove, a second movable groove connected to the first movable groove is provided at one end of the fixing plate, a convex edge is provided on the bottom surface of the fixing plate on the outer side of the first movable groove, the adjusting screw passes through the convex edge and crosses the first movable groove to be rotatably connected to the mounting plate, and is threadedly connected to the pressure block, a first side strip is provided on the other end of the top surface of the fixing plate away from the pressure block, and a second side strip is provided on one side of the top surface of the fixing plate.

[0015] By adopting the above technical solution, when fixing, one end of the mobile phone is abutted against the first side bar and one side of the mobile phone is abutted against the second side bar, and the adjusting screw is twisted to drive the pressing block to move so that the pressing block presses against the other end of the mobile phone, thereby fixing the mobile phone with good fixing effect and accurate position, which is convenient for setting the processing starting position. Furthermore, it is conducive to fixing mobile phones of different sizes and has high compatibility.

[0016] Preferably, drainage grooves are provided on both sides of the fixed plate and at the end away from the pressure block, the drainage grooves on both sides of the fixed plate are connected to the drainage grooves at the end, the fixed plate is provided with a first drainage hole at the bottom end of the drainage groove, the frame is provided with a second drainage hole at the position corresponding to the first drainage hole, and the frame is provided with a drainage joint corresponding to the second drainage hole for connecting an external drainage pipe.

[0017] By adopting the above technical solution, water that cannot be sucked away by the external debris device flows from the mobile phone into the drainage groove, and flows from the first drainage outlet to the second drainage outlet and then flows out to the outside through the external drainage pipe, thereby achieving drainage and reducing water from soaking the mobile phone LCD panel for a long time, thereby reducing damage to the mobile phone LCD panel.

[0018] In summary, this application includes at least one of the following beneficial technical effects:

[0019] 1. The movable frame is in contact with the glass cover of the mobile phone's LCD assembly and moves by being subjected to force. The dial indicator senses the position. The dial indicator transmits the position change signal to the control system. The control system determines the grinding depth of the grinding head through an algorithm, thereby controlling the driving amount of the lifting drive component to achieve the purpose of controlling the grinding depth of the glass cover of the mobile phone's LCD assembly, so that the grinding depth is accurate and not easy to damage the mobile phone body. At the same time, the first module controls the lifting drive component to move left and right, so that the grinding head grinds the glass cover of the mobile phone's LCD assembly horizontally. The second module drives the mobile phone fixed component to move forward and backward, so that the grinding head grinds the glass cover of the mobile phone's LCD assembly longitudinally, thereby grinding vertical and horizontal grooves on the back cover of the mobile phone.

[0020] 2. The external water supply equipment supplies water to the water supply pipe, which sprays water onto the grinding head to cool it down in real time during the processing process to increase the service life of the grinding head. The external chip suction equipment sucks the fine chips from the glass cover plate of the mobile phone LCD assembly through the chip suction holes and transports them out of the surface of the mobile phone, keeping the glass cover plate of the mobile phone LCD assembly clean and reducing the situation where the movable frame is pressed by fine chips, resulting in inaccurate position sensing.

[0021] 3. Place one end of the mobile phone against the first side bar and one side of the mobile phone against the second side bar, twist the adjusting screw to drive the pressing block to move so that the pressing block presses the other end of the mobile phone, thereby fixing the mobile phone. The fixing effect is good, the position is accurate, and it is easy to set the machinable starting position. Furthermore, it is conducive to fixing mobile phones of different sizes and has high compatibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a glass cover grinding and cutting device for a mobile phone liquid crystal assembly in this application.

[0023] Figure 2 This is a schematic diagram of the lifting drive assembly structure described in this application.

[0024] Figure 3 This is a schematic diagram of the structure of the grinding and cutting assembly described in this application.

[0025] Figure 4 This is a schematic diagram of the structure of the mobile phone fixing component described in this application.

[0026] Figures: 1, machine; 11, gantry; 2, first module; 3, second module; 4, lifting drive assembly; 41, lifting seat; 42, lifting motor; 43, screw; 44, slide rail; 45, slide block; 5, grinding assembly; 51, mounting seat; 511, bottom plate; 5111, opening; 512, vertical plate; 5121, clamping member; 513, functional block; 5131, accommodating groove; 5132, slot; 5133, clamping groove; 5134, chip suction hole; 52, grinding head; 53, driving member; 54, movable frame; 541, movable rod; 542, sleeve ;543. Abutment ring; 544. Connecting ring; 545. Abutment rod; 546. Connecting piece; 55. Dial indicator; 6. Mobile phone fixing assembly; 61. Frame; 611. Mounting plate; 6111. First movable groove; 612. Second drainage hole; 613. Drainage connector; 62. Fixing plate; 621. Second movable groove; 622. Protruding edge; 623. First side strip; 624. Second side strip; 625. Drainage groove; 626. First drainage hole; 63. Abutment block; 64. Adjusting screw; 7. Control system; 8. Water pipe; 9. Water connector; 10. Chip suction connector. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] Reference Figure 1A glass cover grinding and cutting device for a mobile phone liquid crystal assembly includes a machine 1, a first module 2, a second module 3, a lifting drive component 4, a grinding and cutting component 5, a mobile phone fixing component 6, and a control system 7. A gantry 11 is provided on the top of the machine 1. The first module 2 is laterally fixed to the crossbeam of the gantry 11. The first module 2 is connected to the lifting drive component 4 to drive the lifting drive component 4 to move left and right. The lifting drive component 4 is connected to the grinding and cutting component 5 to drive the grinding and cutting component 5 to move up and down. The second module 3 is located below the first module 2 and is vertically arranged with the first module 2. The second module 3 is fixed to the top of the machine 1 and is connected to the mobile phone fixing component 6 to drive the mobile phone fixing component 6 to move forward and backward. The mobile phone fixing component 6 is used to fix the mobile phone, lift and lower. The driving component 4 drives the grinding and cutting component 5 to descend to the position of contact with the mobile phone to realize grinding and cutting of the glass cover plate of the mobile phone liquid crystal assembly. The first module 2 drives the lifting driving component 4 to move left and right, driving the grinding and cutting component 5 to move left and right to realize grinding and cutting horizontal grooves in the glass cover plate of the mobile phone liquid crystal assembly. The second module 3 drives the mobile phone fixing component 6 to move forward and backward, driving the mobile phone to move forward and backward to realize grinding and cutting longitudinal grooves in the glass cover plate of the mobile phone liquid crystal assembly. The first module 2, the second module 3, the lifting driving component 4, and the grinding and cutting component 5 are all connected to the control system 7 signal. The control system 7 controls the first module 2, the second module 3, the lifting driving component 4, and the grinding and cutting component 5 to cooperate in operation, with a high degree of automation and precise groove grinding.

[0029] Reference Figure 2 The lifting drive assembly 4 includes a lifting seat 41, a lifting motor 42, a screw rod 43, a slide rail 44 and a slider 45. The slide rail 44 is upright on the lifting seat 41, and the slider 45 is slidingly connected to the slide rail 44. The screw rod 43 is arranged parallel to the slide rail 44 and is threadedly connected to the slider 45. The lifting motor 42 is fixed on the lifting seat 41, and its driving shaft is connected to the screw rod 43 to drive the screw rod 43 to rotate and drive the slider 45 to rise and fall along the length direction of the slide rail 44. The slider 45 is connected to the grinding and cutting assembly 5 to realize the lifting of the grinding and cutting assembly 5. The lifting motor 42 is connected to the control system 7 signal.

[0030] Reference Figure 1 and Figure 3The grinding and cutting assembly 5 includes a mounting base 51, a grinding head 52, a driving member 53, a movable frame 54, and a dial indicator 55. The mounting base 51 includes a bottom plate 511, a vertical plate 512, and a functional block 513. The vertical plate 512 is erected on the top surface of the bottom plate 511. The vertical plate 512 is fixedly connected to the slider 45. The functional block 513 is fixed to the bottom surface of the bottom plate 511. The vertical plate 512 is provided with a clamping member 5121 to clamp and fix the driving member 53. The driving member 53 and the grinding head 52 are fixed to each other. The grinding head 52 is connected to drive the glass cover of the mobile phone LCD assembly to rotate and mill. The driving part 53 is preferably a motor and is connected to the control system 7 signal. The bottom plate 511 is provided with an opening 5111, and the functional block 513 is provided with a receiving groove 5131. The receiving groove 5131 is connected to the opening 5111. The functional block 513 is provided with a groove 5132 at the bottom of the receiving groove 5131. The grinding head 52 passes through the opening 5111, the receiving groove 5131, and the functional block 513 in sequence.

[0031] Reference Figure 3 The movable frame 54 includes a movable rod 541, a sleeve 542, an abutting ring 543, a connecting ring 544, an abutting rod 545, and a connecting piece 546. The number of movable rods 541 and sleeves 542 is two, one movable rod 541 is sleeved in one sleeve 542, two sleeves 542 are upright and fixed to the bottom of the accommodating groove 5131 and are respectively placed on both sides of the grinding head 52, the two movable rods 541 both penetrate the functional block 513 for movement, the bottom ends of the two movable rods 541 are connected to the abutting ring 543, the grinding head 52 passes through the center hole of the abutting ring 543, the top ends of the two movable rods 541 are connected to the connecting ring 544, the connecting ring 544 abuts against the top ends of the two sleeves 542, the grinding head 52 passes through the center hole of the connecting ring 544, the abutting rod 5 45 is connected to the connecting ring 544, the dial indicator 55 is connected to the bottom plate 511 through the connecting piece 546, the probe of the dial indicator 55 is in contact with the abutment rod 545, the lifting drive assembly 4 is connected to the vertical plate 512 to drive the vertical plate 512 to move up and down, driving the grinding head 52, the movable frame 54 and the dial indicator 55 to move up and down, and the movable frame 54 is subjected to force when it abuts the glass cover of the mobile phone LCD assembly, so that the abutment rod 545 presses the probe of the dial indicator 55, the dial indicator 55 and the driving member 53 are connected to the control system 7, and the dial indicator 55 transmits the position change signal of the abutment rod 545 to the control system 7. The control system 7 calculates the grinding depth of the grinding head 52 through the program algorithm, and controls the descending height of the grinding head 52 to achieve precise control of the grinding depth, so that the mobile phone body is not easily damaged.

[0032] Reference Figure 1 and Figure 4The mobile phone fixing assembly 6 includes a frame 61, a fixing plate 62, a pressing block 63, and an adjusting screw 64. The frame 61 is connected to the second module 3. A mounting plate 611 is provided in the middle of the frame 61. A first movable groove 6111 is provided on one side of the mounting plate 611. The fixing plate 62 is fixed on the mounting plate 611 and covers the first movable groove 6111. A second movable groove 621 communicating with the first movable groove 6111 is provided at one end of the fixing plate 62. The pressing block 63 moves in the first movable groove 6111 and the second movable groove 621. A convex edge is provided on the bottom surface of the fixing plate 62 and the outer side of the first movable groove 6111. 622, the adjusting screw 64 passes through the convex edge 622 and crosses the first movable groove 6111 to be rotatably connected to the mounting plate 611 and is threadedly connected to the pressing block 63. A first side strip 623 is provided at the other end of the top surface of the fixing plate 62 away from the pressing block 63, and a second side strip 624 is provided on one side of the top surface of the fixing plate 62. When fixing the mobile phone, the glass cover of the liquid crystal assembly of the mobile phone is facing upward, one end of the mobile phone abuts the first side strip 623, and one side of the mobile phone abuts the second side strip 624. The adjusting screw 64 is twisted to drive the pressing block 63 to move toward the end of the mobile phone away from the first side strip 623 to press the mobile phone, so as to achieve stable fixation of the mobile phone.

[0033] Reference Figure 4 Drainage grooves 625 are provided on both sides of the fixed plate 62 and at the end away from the pressing block 63. The drainage grooves 625 on both sides of the fixed plate 62 are connected to the drainage grooves 625 at the end. The fixed plate 62 is provided with a first drainage hole 626 at the bottom end of the drainage groove 625. The frame 61 is provided with a second drainage hole 612 at the position of the first drainage hole 626. A drainage joint 613 is provided in the frame 61 corresponding to the second drainage hole 612 to connect to the external drainage pipe.

[0034] A glass cover grinding and cutting device for mobile phone LCD assembly, referring to Figure 1 and Figure 3 , also includes a water pipe 8, a water joint 9 and a chip suction joint 10. A clamping groove 5133 connected to the slot 5132 is opened on one side of the functional block 513. The water joint 9 is clamped in the notch of the clamping groove 5133 and connected to the external water supply equipment. The water pipe 8 is connected to the water joint 9 and passes through the clamping groove 5133, and the end is close to the grinding head 52. The external water supply equipment transports water to the water pipe 8 through the water joint 9. The water pipe 8 sprays water to the grinding head 52 to cool the grinding head 52 during work. The water flows from the glass cover of the mobile phone LCD assembly into the knife drainage groove 625, then flows into the first drainage hole 626, and finally flows into the second drainage hole 612, and is discharged to the outside through the external drainage pipe, reducing the situation where water soaks the mobile phone LCD panel for a long time, thereby damaging the mobile phone LCD panel.

[0035] Reference Figure 1 and Figure 3A chip suction hole 5134 is provided on the side of the functional block 513 away from the water supply connector 9. The chip suction hole 5134 is connected to the slot 5132. The chip suction connector 10 is fixed to the port of the chip suction hole 5134 and connected to an external chip suction device. During the milling process of the grinding head 52, fine chips and water on the mobile phone are sucked away, keeping the glass cover of the mobile phone LCD assembly clean, and reducing the situation where the movable frame 54 is pressed by fine chips, resulting in inaccurate position sensing.

[0036] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A glass cover grinding and cutting device for a mobile phone liquid crystal assembly, characterized by: The invention comprises a machine (1), a first module (2), a second module (3), a lifting drive assembly (4), a grinding and cutting assembly (5), a mobile phone fixing assembly (6), and a control system (7). A gantry (11) is provided on the top of the machine (1). The first module (2) is transversely fixed on the crossbeam of the gantry (11). The first module (2) is connected to the lifting drive assembly (4) to drive the lifting drive assembly (4) to move left and right. The grinding and cutting assembly (5) comprises a mounting seat (51), a grinding head (52), a driving member (53), a movable frame (54), and a dial indicator (55). The driving member (53) is fixed on the mounting seat (51) and connected to the grinding head (52) to drive the grinding head (52) to rotate. The movable frame (54) is movably connected to the mounting seat (51), and the movable direction is the length direction of the grinding head (52). The dial indicator (55) is fixed on the mounting seat (51) and its probe is in contact with the movable frame (54). The lifting drive component (4) is connected to the mounting seat (51) to drive the lifting of the mounting seat (51). The second module (3) is located below the grinding and cutting component (5) and is fixed to the top of the machine (1). The second module (3) is connected to the mobile phone fixing component (6) to drive the mobile phone fixing component (6) to move forward and backward. The first module (2), the second module (3), the lifting drive component (4), and the driving member (53) are all connected to the control system (7) for signal communication. The mounting seat (51) comprises a bottom plate (511), a vertical plate (512) and a functional block (513); the vertical plate (512) is fixed upright on the top surface of the bottom plate (511); the functional block (513) is fixed on the bottom surface of the bottom plate (511); the vertical plate (512) is provided with a clamping member (5121) for clamping and fixing the driving member (53); the bottom plate (511) is provided with an opening (5111) for the grinding head (52) to pass through; the functional block (513) is provided with a receiving groove (5131) for the movable frame (54) to move; the receiving groove (5131) is communicated with the opening (5111); the functional block (513) is provided with a groove (5132) for the grinding head (52) to pass through at the bottom of the groove (5131); The movable frame (54) includes a movable rod (541), a sleeve (542), an abutting ring (543), a connecting ring (544), and an abutting rod (545). The number of the sleeves (542) is two and they are respectively placed on both sides of the grinding head (52) and are vertically fixed to the bottom surface of the accommodating groove (5131). The number of the movable rods (541) is two and one of the movable rods (541) is inserted into one of the sleeves (542) and passes through the functional block (513) to move. The other movable rod (541) The connecting ring (544) is inserted into the other sleeve (542) and passes through the functional block (513) for movement. The connecting ring (544) is inserted into the grinding head (52) and connected to the top ends of the two movable rods (541). The abutting ring (543) is inserted into the grinding head (52) and connected to the bottom ends of the two movable rods (541). The abutting rod (545) is connected to the connecting ring (544). The dial indicator (55) is fixed on the bottom plate (511) and its probe abuts against the abutting rod (545). The mobile phone fixing assembly (6) comprises a frame (61), a fixing plate (62), a pressing block (63), and an adjusting screw (64). A mounting plate (611) is provided in the middle of the frame (61). A first movable groove (6111) is provided on one side of the mounting plate (611). The pressing block (63) moves in the first movable groove (6111). The fixing plate (62) is fixed on the mounting plate (611) and covers the first movable groove (6111). One end of the fixing plate (62) is provided with a first movable groove (6111). 1) a second movable groove (621) connected to the fixing plate (62), a convex edge (622) is provided on the bottom surface of the fixing plate (62) on the outer side of the first movable groove (6111), the adjusting screw (64) passes through the convex edge (622) and crosses the first movable groove (6111) to be rotatably connected to the mounting plate (611), and is threadedly connected to the pressing block (63), a first side strip (623) is provided on the other end of the top surface of the fixing plate (62) away from the pressing block (63), and a second side strip (624) is provided on one side of the top surface of the fixing plate (62).

2. The glass cover grinding and cutting device for a mobile phone liquid crystal assembly according to claim 1, characterized in that: The utility model further comprises a water delivery pipe (8) and a water delivery connector (9), wherein the water delivery pipe (8) is connected to the water delivery connector (9), a clamping groove (5133) is provided on one side of the functional block (513), the clamping groove (5133) is communicated with the slot (5132), the water delivery connector (9) is clamped to the port of the clamping groove (5133) for connection with an external water delivery device, and the water delivery pipe (8) passes through the clamping groove (5133) and its port is close to the grinding head (52).

3. The glass cover grinding and cutting device for a mobile phone liquid crystal assembly according to claim 2, characterized in that: It also includes a chip suction connector (10), a chip suction hole (5134) is provided on a side of the functional block (513) away from the water supply connector (9), the chip suction hole (5134) is communicated with the slot (5132), and the chip suction connector (10) is fixed to the port of the chip suction hole (5134) for connection with an external chip suction device.

4. The glass cover grinding and cutting device for a mobile phone liquid crystal assembly according to claim 3, characterized in that: Both sides of the fixing plate (62) and the end away from the pressing block (63) are provided with drainage grooves (625), and the drainage grooves (625) on both sides of the fixing plate (62) are connected to the drainage groove (625) at the end. The fixing plate (62) is provided with a first drainage hole (626) at the bottom end of the drainage groove (625), and the frame (61) is provided with a second drainage hole (612) at a position corresponding to the first drainage hole (626). The frame (61) is provided with a drainage joint (613) corresponding to the second drainage hole (612) for connecting an external drainage pipe.

Citation Information

Patent Citations

  • Glass cover plate grinding and cutting device of mobile phone liquid crystal assembly

    CN220839544U