Angle lapping device for mobile phone screen production

By introducing protective components and precise grinding structures into the angle grinding device, the problem of easy damage to the screen edge is solved, and efficient and precise angle grinding operations are achieved.

CN223369017UActive Publication Date: 2025-09-23SHANWEI HENGWEIYE TOCHNOLOGY CO LTD
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Patent Information

Application Number
CN202422635881.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-09-23
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing corner grinding devices used in mobile phone screen production lack a protective structure for the screen edges, which makes it easy to damage the screen during the grinding process.

Method used

A corner grinding device including a protective component is designed, which includes an angle adjustment plate and an edge protection plate, which is used to correspond to the four corners of the mobile phone screen to prevent excessive grinding. The screen is fixed by a suction cup and combined with an electric telescopic rod and a grinding component for precise grinding.

Benefits of technology

It effectively prevents excessive polishing of the screen edge, protects the screen from damage, and improves polishing accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mobile phone screen production, and discloses an angle lapping device for mobile phone screen production, which comprises a machine body and a mobile phone screen, a polishing assembly is fixedly mounted on the inner side of the top of the machine body, a stand column is fixedly mounted on the inner side of the bottom of the machine body, and a supporting plate is fixedly mounted at the top end of the stand column. A mounting groove is formed in the top of the supporting plate, a suction cup is fixedly mounted in the mounting groove, an air inlet pipe is arranged on the front face of the supporting plate, an air suction pipe is arranged on the back face of the air inlet pipe, and the air inlet pipe and the air suction pipe both communicate with the suction cup. And when the edge protection plates are attached to the edges of the grinding positions of the four corners of the mobile phone screen, the edge protection plates play a protection role, that is, when the mobile phone screen is ground to make contact with the edge protection plates, the edge protection plates can prevent the grinding assembly from continuously grinding the mobile phone screen, and the problem of excessive grinding is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone screen production, in particular to a corner grinding device for mobile phone screen production. Background Art

[0002] Mobile phone screens, also known as display screens, are used to display images and colors. Screen size is calculated based on the screen diagonal, usually in inches, which refers to the length of the screen diagonal. As color screens become increasingly common, the material of mobile phone screens has become increasingly important. Various devices are used to process them to complete the manufacturing of mobile phone screens, and a corner grinding device is one of them, which is used to smooth the edges and corners of the screen.

[0003] Most of the existing angle grinding devices used in mobile phone screen production only use a fixed clamping structure to clamp and fix the mobile phone screen, and no protective structure is set for the edge of the grinding part. However, because the mobile phone screen is relatively thin and basically made of rigid material, if too much force is used during grinding or the grinding head collides with the edge of the grinding part of the mobile phone screen during adjustment, the mobile phone screen is easily damaged. Utility Model Content

[0004] The purpose of the present invention is to provide a corner grinding device for producing mobile phone screens, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a corner grinding device for mobile phone screen production, comprising a body and a mobile phone screen, a grinding assembly fixedly mounted on the inner side of the top of the body, a column fixedly mounted on the inner side of the bottom of the body, a support plate fixedly mounted on the top of the column, a mounting groove formed on the top of the support plate, and a suction cup fixedly mounted inside the mounting groove, an air intake pipe provided on the front side of the support plate, an air exhaust pipe provided on the back side of the air intake pipe, both the air intake pipe and the air exhaust pipe being connected to the suction cup, protective components provided at the four corners of the support plate, and the size of the support plate being smaller than that of the mobile phone screen;

[0006] The protective assembly includes a groove and an angle adjustment plate. The groove is opened at the four corners of the upper and lower surfaces of the support plate. The end of the angle adjustment plate is rotatably connected to the inner wall of the groove through a pin shaft. The angle adjustment plate is fixedly connected to the inner wall of the groove through a fixing bolt 1. The top of the angle adjustment plate is fixedly installed with an edge protection plate through a fixing bolt 2. The end face of the edge protection plate away from the angle adjustment plate is a curved surface and is consistent with the curvature radius of the rounded corners on the mobile phone screen. The edge protection plate is close to the four corners of the mobile phone screen.

[0007] Furthermore, the upper surface of the edge protection plate is flush with the upper surface of the support plate, a plurality of threaded holes connected to the second fixing bolt are provided on the angle adjustment plate, and are evenly spaced on the angle adjustment plate, and a plurality of threaded holes connected to the first fixing bolt are provided on the inner wall of the groove, and are distributed in a circular array on the inner wall of the groove.

[0008] Furthermore, the grinding assembly includes an electric telescopic rod, which is fixedly mounted on the top inner wall of the machine body, an X-axis electric slide rail is fixedly mounted on the extended end of the electric telescopic rod, a Y-axis electric slide rail is fixedly mounted on the movable end of the X-axis electric slide rail, a mounting plate is fixedly mounted on the movable end of the Y-axis electric slide rail, a grinding motor is fixedly mounted on the top of the mounting plate, and a grinding head is fixedly mounted on the output end of the grinding motor.

[0009] Furthermore, a second electric telescopic rod is fixedly mounted on the top inner wall of the body, a lower pressing plate is fixedly mounted on the extended end of the second electric telescopic rod, and the lower pressing plate presses on the upper surface of the mobile phone screen.

[0010] Furthermore, the size of the lower pressing plate is consistent with that of the supporting plate, and protective components are also provided at the four corners of the lower pressing plate.

[0011] Furthermore, four electric telescopic rods are provided, and are respectively close to the four corners of the mobile phone screen. An air blowing head is fixedly installed at the bottom of the mounting plate, the bottom end of the air blowing head is opened toward the polishing head, and the top end of the air blowing head is connected to an air intake hose.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Set four angle adjustment plates and edge protection plates to correspond to the four corners of the mobile phone screen. When the edge protection plates are attached to the edges of the four corners of the mobile phone screen, the edge protection plates play a protective role. That is, when the screen is polished to the point of contact with the edge protection plates, the edge protection plates can prevent the polishing assembly from continuing to polish the mobile phone screen, thereby avoiding the problem of over-polishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the mobile phone screen and protective components of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the support plate and protective assembly of the utility model;

[0017] Figure 4 This is a schematic structural diagram of the angle adjustment plate and edge protection plate of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the grinding assembly of the utility model.

[0019] In the figure: 1. Body; 2. Mobile phone screen; 3. Grinding assembly; 301. Electric telescopic rod 1; 302. X-axis electric slide; 303. Y-axis electric slide; 304. Mounting plate; 305. Grinding head; 306. Grinding motor; 4. Protective assembly; 401. Groove; 402. Fixing bolt 1; 403. Angle adjustment plate; 404. Edge protection plate; 405. Fixing bolt 2; 5. Column; 6. Support plate; 7. Suction cup; 8. Inlet pipe; 9. Exhaust pipe; 10. Electric telescopic rod 2; 11. Lower pressure plate; 12. Blowing head; 13. Inlet hose. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figure 1-Figure 5 The utility model provides a technical solution: a mobile phone screen production angle grinding device, comprising a body 1, a mobile phone screen 2, a grinding assembly 3 fixedly installed on the top inner side of the body 1, a column 5 fixedly installed on the bottom inner side of the body 1, a support plate 6 fixedly installed on the top of the column 5, a mounting groove is provided on the top of the support plate 6, and a suction cup 7 is fixedly installed inside the mounting groove, an air intake pipe 8 is provided on the front side of the support plate 6, an air exhaust pipe 9 is provided on the back side of the air intake pipe 8, and the air intake pipe 8 and the air exhaust pipe 9 are both connected to the suction cup 7, a protective assembly 4 is provided at the four corner edges of the support plate 6, and the support plate 6 is provided with a plurality of protective components. The size is smaller than that of the mobile phone screen 2. A support plate 6 is provided to support the mobile phone screen 2. The four corners of the mobile phone screen 2 are polished by the polishing component 3. The mobile phone screen 2 is tightly fixed on the support plate 6 by the suction cup 7. The air inlet pipe 8 and the exhaust pipe 9 are connected to the air inlet end and the air outlet end of the air source equipment (circulating air pump, vacuum machine, etc.) to extract the air in the suction cup 7 so that the suction cup 7 is tightly adsorbed on the mobile phone screen 2, and air is injected into the suction cup 7 to separate the suction cup 7 from the mobile phone screen 2. A protective component 4 is provided to protect the edge of the polished part of the mobile phone screen 2.

[0022] The protection component 4 includes a groove 401 and an angle adjustment plate 403. The groove 401 is opened at the four corners of the upper and lower surfaces of the support plate 6. The end of the angle adjustment plate 403 is rotatably connected to the inner wall of the groove 401 through a pin shaft. The angle adjustment plate 403 is fixedly connected to the inner wall of the groove 401 through a fixing bolt 1 402. The top of the angle adjustment plate 403 is fixedly installed with an edge protection plate 404 through a fixing bolt 2 405. The end face of the edge protection plate 404 away from the angle adjustment plate 403 is a curved surface, and is consistent with the radius of the rounded corner on the mobile phone screen 2. The edge protection plate 404 is close to the four corners of the mobile phone screen 2. At the corners, four angle adjustment plates 403 and edge protection plates 404 are provided to correspond to the four corners of the mobile phone screen 2. When the edge protection plates 404 are attached to the edges of the polished corners of the mobile phone screen 2, the edge protection plates 404 play a protective role, that is, when polishing to contact with the edge protection plates 404, the edge protection plates 404 can prevent the polishing assembly 3 from continuing to polish the mobile phone screen 2, thereby avoiding the problem of over-polishing. The edge protection plates 404 are installed through the angle adjustment plates 403 to adjust the direction of the edge protection plates 404 to ensure that the edge protection plates 404 can align with the edges of the polishing position on the mobile phone screen 2;

[0023] The upper surface of the edge protection plate 404 is flush with the upper surface of the support plate 6, so that the mobile phone screen 2 can be placed flat on the support plate 6 and the edge protection plate 404 at the same time. The angle adjustment plate 403 is provided with multiple threaded holes connected to the second fixing bolt 405, and they are evenly spaced on the angle adjustment plate 403. For mobile phone screens 2 of different sizes, the extension length of the edge protection plate 404 can be adjusted so that the edge protection plate 404 matches the mobile phone screen 2. The inner wall of the groove 401 is provided with multiple threaded holes connected to the first fixing bolt 402, and a circular array is distributed on the inner wall of the groove 401. After the angle adjustment plate 403 is rotated to multiple angles, the first fixing bolt 402 can still fix the angle adjustment plate 403 to the groove 401;

[0024] The polishing assembly 3 includes an electric telescopic rod 301, which is fixedly mounted on the top inner wall of the body 1. The extended end of the electric telescopic rod 301 is fixedly mounted with an X-axis electric slide 302, the movable end of the X-axis electric slide 302 is fixedly mounted with a Y-axis electric slide 303, the movable end of the Y-axis electric slide 303 is fixedly mounted with a mounting plate 304, the top of the mounting plate 304 is fixedly mounted with a polishing motor 306, and the output end of the polishing motor 306 is fixedly mounted with a polishing head 305. The electric telescopic rod 301, the X-axis electric slide 302, and the Y-axis electric slide 303 are provided for performing three-axis adjustment on the mounting plate 304, and then adjusting the polishing motor 306 so that the polishing head 305 at the output end of the polishing motor 306 can contact the edge of the mobile phone screen 2;

[0025] An electric telescopic rod 2 10 is fixedly mounted on the top inner wall of the body 1, and a lower pressing plate 11 is fixedly mounted on the extended end of the electric telescopic rod 2 10. The lower pressing plate 11 presses on the upper surface of the mobile phone screen 2. The lower pressing plate 11 is provided to press down on the mobile phone screen 2 to perform secondary fixation on the mobile phone screen 2;

[0026] The size of the lower pressing plate 11 is consistent with that of the supporting plate 6. Protective components 4 are also provided at the four corners of the lower pressing plate 11, so that the edge protection of the polished part can also be performed on the upper surface of the mobile phone screen 2;

[0027] There are four electric telescopic rods 301, which are respectively close to the four corners of the mobile phone screen 2. An air blowing head 12 is fixedly installed at the bottom of the mounting plate 304. The bottom end of the air blowing head 12 opens toward the grinding head 305. The top of the air blowing head 12 is connected with an air intake hose 13. By connecting the air intake hose 13 with the air outlet end of the air source equipment (hair dryer, air pump), the air blowing head 12 blows air toward the grinding head 305 during grinding. On the one hand, it can blow away the grinding debris and powder to prevent the debris from remaining in the grinding area and affecting the grinding. On the other hand, it can cool the grinding head 305 with air.

[0028] Working principle: When in use, according to the radius of the corner that needs to be polished on the mobile phone screen 2, select the edge protection plate 404 of the corresponding specification, fix the edge protection plate 404 on the angle adjustment plate 403, and then rotate the angle adjustment plate 403 to adjust the orientation of the edge protection plate 404, thereby ensuring that the edge protection plate 404 can be aligned with the four corners of the mobile phone screen 2, place the mobile phone screen 2 on the support plate 6, and let the center of the mobile phone screen 2 coincide with the center of the support plate 6. At this time, the edge protection plate 404 is located at the edge of the polishing part on the mobile phone screen 2, turn on the polishing component 3 to polish the four corners of the mobile phone screen 2, and as the polishing proceeds, when polishing to the edge protection plate 404, the edge protection plate 404 can hinder the polishing work of the polishing component 3, thereby avoiding the problem of over-polishing.

[0029] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A corner grinding device for producing mobile phone screens, comprising a body (1) and a mobile phone screen (2), characterized in that: A grinding assembly (3) is fixedly installed on the inner side of the top of the body (1), a column (5) is fixedly installed on the inner side of the bottom of the body (1), a support plate (6) is fixedly installed on the top of the column (5), a mounting groove is provided on the top of the support plate (6), and a suction cup (7) is fixedly installed inside the mounting groove, an air intake pipe (8) is provided on the front of the support plate (6), an air exhaust pipe (9) is provided on the back of the air intake pipe (8), and the air intake pipe (8) and the air exhaust pipe (9) are both connected to the suction cup (7), and protective components (4) are provided at the four corner edges of the support plate (6), and the size of the support plate (6) is smaller than the size of the mobile phone screen (2); The protection component (4) comprises a groove (401) and an angle adjustment plate (403). The groove (401) is provided at the four corners of the upper and lower surfaces of the support plate (6). The end of the angle adjustment plate (403) is rotatably connected to the inner wall of the groove (401) via a pin shaft. The angle adjustment plate (403) is fixedly connected to the inner wall of the groove (401) via a fixing bolt (402). An edge protection plate (404) is fixedly installed on the top of the angle adjustment plate (403) via a fixing bolt (405). The end face of the edge protection plate (404) away from the angle adjustment plate (403) is a curved surface and is consistent with the curvature radius of the rounded corners on the mobile phone screen (2). The edge protection plate (404) is close to the four corners of the mobile phone screen (2).

2. The angle grinding device for mobile phone screen production according to claim 1, characterized in that: The upper surface of the edge protection plate (404) is flush with the upper surface of the support plate (6); a plurality of threaded holes connected to the second fixing bolt (405) are provided on the angle adjustment plate (403), and are evenly spaced and distributed on the angle adjustment plate (403); a plurality of threaded holes connected to the first fixing bolt (402) are provided on the inner wall of the groove (401), and are distributed in a circular array on the inner wall of the groove (401).

3. The angle grinding device for mobile phone screen production according to claim 1, characterized in that: The grinding assembly (3) comprises an electric telescopic rod (301) fixedly mounted on the top inner wall of the machine body (1); an X-axis electric slide rail (302) fixedly mounted on the extended end of the electric telescopic rod (301); a Y-axis electric slide rail (303) fixedly mounted on the movable end of the X-axis electric slide rail (302); a mounting plate (304) fixedly mounted on the movable end of the Y-axis electric slide rail (303); a grinding motor (306) fixedly mounted on the top of the mounting plate (304); and a grinding head (305) fixedly mounted on the output end of the grinding motor (306).

4. The angle grinding device for mobile phone screen production according to claim 1, characterized in that: The top inner wall of the body (1) is fixedly mounted with an electric telescopic rod 2 (10), and the extended end of the electric telescopic rod 2 (10) is fixedly mounted with a lower pressing plate (11), and the lower pressing plate (11) is pressed on the upper surface of the mobile phone screen (2).

5. The angle grinding device for mobile phone screen production according to claim 4, characterized in that: The size of the lower pressing plate (11) is consistent with the size of the supporting plate (6), and protective components (4) are also provided at the four corners of the lower pressing plate (11).

6. The angle grinding device for mobile phone screen production according to claim 3, characterized in that: The electric telescopic rods (301) are provided with four, and are respectively close to the four corners of the mobile phone screen (2). The bottom of the mounting plate (304) is fixedly installed with an air blowing head (12), the bottom end of the air blowing head (12) is opened toward the polishing head (305), and the top end of the air blowing head (12) is connected to an air intake hose (13).