Automatic flattening device for mobile phone display screen

Abstract

The utility model discloses an automatic flattening device for a mobile phone display screen, and relates to the technical field of mobile phone production, the automatic flattening device comprises a frame, a template, an ejector pin, an upper die holder and an air pressure rod, a base is welded at the bottom of the frame, a plurality of positioning rods are welded at the top of the base, the positioning rods are arranged at equal intervals, and the upper die holder is connected with the upper die holder. The top of the positioning rod is embedded in the bottom of the lower die base, the two sides of the lower die base are welded to the frame, the die plate is embedded in the lower die base, the interior of the die plate is slidably connected with the ejector pins, and the bottoms of the ejector pins are welded to the four ends of the top of the lifting plate. Furthermore, a reset spring releases elasticity to push a lifting plate to move upwards through a sliding rod, the lifting plate can drive four ejector pins to move upwards while moving upwards, and then the ejector pins can eject out the display screen in the template, so that the display screen is convenient to take.

Description

Technical Field

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

[0002] The display screen body will be pressed together with a multi-layer structure during production. In order to make the display screen structure closer to each other, it will need to be flattened by a flattening device. After searching, the Chinese patent authorization number CN220594159U discloses an automatic flattening device for display screens used in mobile phone production. The device is provided with a pressure sensor and a pressure display screen, which is convenient for personnel to observe the pressure data between the pressure plate and the mobile phone display screen. When the downward pressure of the cylinder is abnormal, the personnel can discover and repair it in time, thereby improving the flattening quality of the mobile phone display screen by the device. However, since the mobile phone display screen body is relatively thin, the mobile phone display screen will adhere to the surface of the pressure plate when placed on the top of the pressure plate, making it difficult to remove the mobile phone display screen body, and then the mobile phone display screen needs to be slid to the edge of the pressure plate before it can be removed. During the sliding process, it is easy to cause scratches on the bottom of the display screen body, thereby affecting the appearance of the display screen. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides an automatic flattening device for a mobile phone display screen, which solves the problem in the background technology that the mobile phone display screen body is relatively thin and, when placed on the top of a pressure plate, the mobile phone display screen will adhere to the surface of the pressure plate, making it difficult to remove the mobile phone display screen body.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: an automatic flattening device for a mobile phone display screen, comprising a frame, a template, an ejector pin, an upper mold base and a gas pressure rod, the bottom of the frame is welded with a base, the top of the base is welded with a positioning rod, a plurality of positioning rods are provided, and the plurality of positioning rods are arranged at equal intervals with each other, the top of the positioning rod is embedded in the bottom of the lower mold base, the two sides of the lower mold base are welded to the frame, the template is embedded in the interior of the lower mold base, the interior of the template is slidably connected with the ejector pin, the bottom of the ejector pin is welded to the four ends of the top of the lifting plate, the top plate of the lifting plate is embedded with a micro cylinder, two of the micro cylinders are provided, the lifting plate is connected to the sliding rod, the outside of the sliding rod is covered with a reset spring, the reset spring is arranged between the lifting plate and the base, an upper mold base is provided above the lower mold base, a pressing plate is embedded in the bottom of the upper mold base, the top of the upper mold base is welded to the telescopic end of the bottom of the gas pressure rod, one end of the top of the gas pressure rod is embedded in the top plate, and the outside of the top plate is welded to the frame.

[0005] Preferably, a groove is provided at the top of the template, and the shape of the groove at the top of the template matches the shape of the bottom of the pressure plate. Second fixing bolts are distributed on both sides of the template, and the second fixing bolts are threadedly connected to the lower mold base, and one end of the second fixing bolts is against the side of the template. By tightening the second fixing bolts, the fixing bolts can be against both sides of the template, which is conducive to fixing the template inside the lower mold base.

[0006] Preferably, the interior of both sides of the upper mold base is threadedly connected with the first fixing bolt, and one end of the first fixing bolt is against the two side surfaces of the pressure plate. By tightening the first fixing bolt, one end of the first fixing bolt can firmly press against the two side surfaces of the pressure plate, which is conducive to firmly fixing the pressure plate inside the upper mold base.

[0007] Preferably, positioning blocks are embedded in the four ends of the bottom of the upper mold base, and the positioning blocks match the position and shape of the positioning holes. The positioning holes are opened on the top of the lower mold base. When the upper mold base falls downward, the positioning blocks at the bottom will be embedded in the positioning holes, so that the pressure plate can be aligned with the display screen inside the template, and then evenly flattened.

[0008] Preferably, there are four ejector pins. When the lifting plate is at the lowest end, the tops of the four ejector pins are located inside the hole grooves on the template surface. When the lifting plate is at the highest point, the tops of the four ejector pins protrude from the template surface. The micro cylinder at the bottom of the template is controlled by connecting to an external control device. The top surface of the ejector pin is sprayed with a rubber coating to protect the bottom of the display screen from scratches.

[0009] The utility model provides a device for automatically flattening a mobile phone display screen, which has the following beneficial effects:

[0010] (1) This is an automatic flattening device for a mobile phone display screen. When the device is flattening, the telescopic end of the top of the micro-cylinder will extend, and then the lifting plate will move downward in the opposite direction under the action of the telescopic end of the micro-cylinder, thereby compressing the reset spring and moving the ejector pin to the inside of the template. The display screen is placed in the groove of the template, and then the upper mold base is driven downward by the pneumatic rod, so that the upper mold base drives the pressure plate to move downward to flatten the display screen. After flattening, the top of the micro-cylinder will shrink, and then the reset spring releases its elasticity to push the lifting plate upward through the sliding rod. When the lifting plate moves upward, it will drive four ejectors to move upward, so that the ejector pins can eject the display screen inside the template, making it easy to take out.

[0011] (2) This kind of automatic flattening device for a mobile phone display screen does not need to repeatedly clamp and fix the display screen during flattening, compared with a traditional flattening device. The display screen can be limited by simply placing it in the groove on the top of the template to prevent displacement during the flattening process, thereby improving the convenience of using the device. At the same time, the template and the pressure plate can be removed and replaced by removing the first tightening bolt and the second tightening bolt, and different templates can be used according to display screens of different specifications and sizes.

[0012] This solves the problem that the mobile phone display screen is attached to the surface of the pressure plate when placed on the top of the pressure plate due to the thin mobile phone display screen body, making it difficult to remove the mobile phone display screen body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the micro cylinder of the utility model;

[0015] Figure 3 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the upper die base of the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the lower die base of the utility model.

[0018] In the figure, 1. frame; 2. base; 3. positioning rod; 4. lower die seat; 5. template; 6. ejector pin; 7. lifting plate; 8. slide rod; 9. return spring; 10. upper die seat; 11. pressure plate; 12. pneumatic rod; 13. ejector plate; 14. first fixing bolt; 15. second fixing bolt; 16. positioning hole; 17. positioning block; 18. micro cylinder. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] See also Figure 1-5A mobile phone display screen automatic flattening device comprises a frame 1, a template 5, an ejector pin 6, an upper die seat 10 and a gas pressure rod 12. A base 2 is welded to the bottom of the frame 1, a positioning rod 3 is welded to the top of the base 2, a plurality of positioning rods 3 are provided, and the plurality of positioning rods 3 are arranged at equal intervals from each other. The top of the positioning rod 3 is embedded in the bottom of the lower die seat 4, the two sides of the lower die seat 4 are welded to the frame 1, a template 5 is embedded in the lower die seat 4, the inside of the template 5 is slidably connected to the ejector pin 6, and the bottom of the ejector pin 6 is connected to the lower die seat 4. The four ends of the top of the lifting plate 7 are welded, and a micro cylinder 18 is embedded in the top plate 13 of the lifting plate 7. There are two micro cylinders 18. The lifting plate 7 is connected to the slide bar 8. A reset spring 9 is sleeved on the outside of the slide bar 8. The reset spring 9 is arranged between the lifting plate 7 and the base 2. An upper die seat 10 is arranged above the lower die seat 4. A pressure plate 11 is embedded at the bottom of the upper die seat 10. The top of the upper die seat 10 is welded to the telescopic end of the bottom of the gas pressure rod 12. One end of the top of the gas pressure rod 12 is embedded in the top plate 13. The top plate 13 The outer side is welded to the frame 1, and four ejector pins 6 are provided. When the lifting plate 7 is at the lowest end, the tops of the four ejector pins 6 are located inside the hole grooves on the surface of the template 5. When the lifting plate 7 is at the highest point, the tops of the four ejector pins 6 protrude from the surface of the template 5. When the device is flattening, the telescopic end of the top of the micro-cylinder 18 will extend, and then the lifting plate 7 will move downward in the opposite direction under the action of the telescopic end of the micro-cylinder 18, thereby compressing the reset spring 9 and moving the ejector pin 6 to the inside of the template 5. By placing the display screen in the groove of the template 5, and then driving the upper mold base 10 to move downward through the pneumatic rod 12, the upper mold base 10 drives the pressing plate 11 to move downward to flatten the display screen. After flattening, the top of the micro-cylinder 18 will shrink, and then the reset spring 9 releases its elasticity to push the lifting plate 7 to move upward through the slide rod 8. When the lifting plate 7 moves upward, it will drive the four ejector pins 6 to move upward, so that the ejector pin 6 can eject the display screen inside the template 5, thereby facilitating taking.

[0022] Embodiment 2:

[0023] A groove is provided at the top of the template 5, and the shape of the groove at the top of the template 5 matches the shape of the bottom of the pressing plate 11. Second fixing bolts 15 are distributed on both sides of the template 5, and the second fixing bolts 15 are threadedly connected to the lower die seat 4, and one end of the second fixing bolts 15 abuts against the side of the template 5. The inside of the two sides of the upper die seat 10 is threadedly connected to the first fixing bolts 14, and one end of the first fixing bolts 14 abuts against the surface of the two sides of the pressing plate 11. Positioning blocks 17 are embedded in the four ends of the bottom of the upper die seat 10. The position and shape of the positioning block 17 match the positioning hole 16. The positioning hole 16 is provided at the top of the lower die seat 4. When the upper die seat falls downward, the positioning block at the bottom 17 will be embedded in the positioning hole 16, so that the pressing plate 11 can be aligned with the display screen inside the template 5, and then evenly flattened. Compared with the traditional flattening device, the device does not need to repeatedly clamp and fix the display screen during flattening. It only needs to place the display screen in the groove on the top of the template 5 to limit the display screen and prevent displacement during the flattening process, which is beneficial to improve the convenience of using the device. At the same time, by removing the first fastening bolt 14 and the second fastening bolt 15, the template 5 and the pressing plate 11 can be removed and replaced, and different templates 5 can be used according to display screens of different specifications and sizes.

[0024] Working principle: When the device is flattening, the telescopic end of the top of the micro cylinder 18 will extend, and then the lifting plate 7 will move downward in the opposite direction under the action of the telescopic end of the micro cylinder 18, thereby compressing the reset spring 9 and moving the ejector pin 6 to the inside of the template 5. By placing the display screen in the groove of the template 5, the upper mold base 10 is driven downward by the pneumatic rod 12, so that the upper mold base 10 drives the pressing plate 11 to move downward to flatten the display screen. After flattening, the top of the micro cylinder 18 will shrink, and then the reset spring 9 releases its elasticity to push the lifting plate 7 to move upward through the slide rod 8. When the lifting plate 7 moves upward, it will drive the four ejector pins 6 to move upward, so that the ejector pin 6 can eject the display screen inside the template 5, making it convenient to take it out. By removing the first fastening bolt 14 and the second fastening bolt 15, the template 5 and the pressing plate 11 can be removed and replaced, and different templates 5 are used according to display screens of different specifications and sizes.

[0025] The components of the utility model, 1, frame; 2, base; 3, positioning rod; 4, lower die seat; 5, template; 6, ejector pin; 7, lifting plate; 8, slide rod; 9, reset spring; 10, upper die seat; 11, pressure plate; 12, pneumatic rod; 13, ejector plate; 14, first fastening bolt; 15, second fastening bolt; 16, positioning hole; 17, positioning block; 18, micro cylinder, are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mobile phone display screen automatic flattening device, characterized in that: The invention comprises a frame (1), a template (5), an ejector pin (6), an upper mold base (10) and a pneumatic rod (12). The bottom of the frame (1) is welded with a base (2), the top of the base (2) is welded with a positioning rod (3), a plurality of positioning rods (3) are provided, and the plurality of positioning rods (3) are arranged at equal intervals from each other. The top of the positioning rod (3) is embedded in the bottom of the lower mold base (4), the two sides of the lower mold base (4) are welded to the frame (1), the lower mold base (4) is embedded with a template (5), the inside of the template (5) is slidably connected with the ejector pin (6), the bottom of the ejector pin (6) is welded to the top of the lifting plate (7) at four ends, and the The top plate (13) of the lifting plate (7) is embedded with a micro cylinder (18), and there are two micro cylinders (18). The lifting plate (7) is connected to the sliding rod (8), and the sliding rod (8) is externally sleeved with a reset spring (9), and the reset spring (9) is arranged between the lifting plate (7) and the base (2). An upper mold base (10) is arranged above the lower mold base (4), and a pressure plate (11) is embedded at the bottom of the upper mold base (10). The top of the upper mold base (10) is welded to the telescopic end of the bottom of the pneumatic rod (12), and one end of the top of the pneumatic rod (12) is embedded in the top plate (13), and the outer side of the top plate (13) is welded to the frame (1).

2. The automatic flattening device for a mobile phone display screen according to claim 1, characterized in that: A groove is provided at the top of the template (5), and the shape of the groove at the top of the template (5) matches the shape of the bottom of the pressure plate (11). Second fixing bolts (15) are distributed on both sides of the template (5), and the second fixing bolts (15) are threadedly connected to the lower mold base (4), and one end of the second fixing bolts (15) is against the side of the template (5).

3. The automatic flattening device for a mobile phone display screen according to claim 1, characterized in that: The interior of both sides of the upper die seat (10) is threadedly connected to the first fixing bolts (14), and one end of the first fixing bolts (14) abuts against the surfaces of both sides of the pressing plate (11).

4. The automatic flattening device for a mobile phone display screen according to claim 1, characterized in that: Positioning blocks (17) are embedded inside the four ends of the bottom of the upper die base (10), and the position and shape of the positioning blocks (17) match those of the positioning holes (16), and the positioning holes (16) are opened on the top of the lower die base (4).

5. The automatic flattening device for a mobile phone display screen according to claim 1, characterized in that: There are four ejector pins (6). When the lifting plate (7) is at the lowest end, the tops of the four ejector pins (6) are located inside the hole grooves on the surface of the template (5). When the lifting plate (7) is at the highest point, the tops of the four ejector pins (6) protrude from the surface of the template (5).

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