Automatic hole plugging equipment for middle frame

Abstract

The utility model relates to automatic hole plugging equipment for a middle frame, which comprises a film covering mechanism, a hole plugging mechanism, a hole plugging mechanism, a hole plugging mechanism and a hole plugging mechanism, the hole plugging mechanism is adjacently arranged on the side of the film covering mechanism and is used for pressing a plug into a hole of the middle frame wound with the protective film; the hole plugging mechanism comprises a rotating disc, a plurality of hole plugging assemblies and a discharging assembly, wherein the hole plugging assemblies and the discharging assembly are adjacently arranged on the side of the rotating disc and are sequentially arranged in the rotating direction of the rotating disc. A plurality of middle frame clamps used for containing middle frames are arranged on the upper surface of the rotating disc, and the hole plugging assembly comprises a plug installing unit used for placing plugs into holes of the middle frames in the middle frame clamps and a plug pressing unit used for pressing the plugs into the holes of the middle frames. According to the automatic hole plugging equipment for the middle frame, automatic hole plugging of the middle frame is achieved, the hole plugging efficiency is improved, the hole plugging quality of the middle frame is guaranteed, and the middle frame with poor hole plugging is prevented from flowing out.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone middle frame processing equipment, in particular to a middle frame automatic hole plugging equipment. Background Art

[0002] The midframe is a crucial component of smartphones, typically made of metal materials such as aluminum alloy or stainless steel. CNC machining of the midframe generates a significant amount of swarf, so the holes in the midframe panel require protection to prevent these chips from clogging the holes and impacting subsequent processing. Typically, these holes are protected by installing plugs. However, manual plugging is inefficient and the quality of the plug installation cannot be guaranteed. If the plug is not properly installed, it could fall during CNC machining, potentially blocking the hole with swarf. Utility Model Content

[0003] In view of the above problems, the purpose of the present invention is to design an automatic plugging device for the middle frame to realize automatic plugging of the middle frame, improve the plugging efficiency, ensure the plugging quality of the middle frame, and avoid the outflow of the middle frame with poor plugging.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] An automatic plugging device for a middle frame is designed, comprising: a laminating mechanism for wrapping a protective film around the side of the middle frame; a plugging mechanism, adjacently arranged beside the laminating mechanism, for press-fitting a plug into the hole of the middle frame wrapped with the protective film; the plugging mechanism comprises a turntable, a plurality of plugging assemblies and a blanking assembly adjacently arranged beside the turntable and arranged in sequence along the rotation direction of the turntable; the turntable is provided with a plurality of middle frame clamps for placing the middle frame, the plugging assembly comprises a plugging unit for placing the plug into the hole of the middle frame in the middle frame clamp, and a plugging unit for pressing the plug into the hole of the middle frame.

[0006] The automatic plugging equipment for middle frames designed in this scheme automatically wraps protective film around the middle frame and automatically plugs the middle frame holes. The laminating mechanism automatically wraps the film around the sides of the middle frame and can transfer the wrapped middle frame into the middle frame fixture on the turntable. The protective film prevents scratches on the sides of the middle frame during subsequent processing and transportation. The plugging mechanism automatically plugs the middle frame holes. The turntable rotates, moving the middle frame to a position opposite the plugging unit. The plugging unit clamps the plug and places it into the middle frame hole. The turntable then rotates again, moving the middle frame to a position opposite the pressing unit. The pressing unit presses the plug into the middle frame hole. The turntable then rotates again, moving the middle frame to a position opposite the blanking assembly. The blanking assembly removes the plugged middle frame from the turntable. Furthermore, the number of middle frame fixtures on the turntable is set according to the number of plugging and pressing units to ensure continuous and uninterrupted plugging operations. To ensure the quality of the middle frame plugging, the plugging unit can be equipped with a pressure detection unit to monitor the pressure during plugging. If the plugging pressure does not meet the preset pressure threshold, the control system will determine that the middle frame plugging is poor. If the plugging pressure is greater than the preset pressure threshold, it may be due to the middle frame not being properly seated in the middle frame fixture or being installed incorrectly. If the plugging pressure is less than the preset pressure threshold, it may be due to the middle frame being missing or incorrectly installed. The middle frame with poor plugging is removed by the blanking assembly and placed separately when it comes off the assembly line. This design not only improves plugging efficiency but also ensures the quality of the middle frame plugging and prevents the flow of poorly plugged middle frames.

[0007] Furthermore, the plugging unit includes a loading tray for storing plugs, and a clamping unit for clamping the plugs from the loading tray and placing them into the middle frame hole. The clamping unit includes a first clamping jaw and a first driving module that drives the first clamping jaw to clamp the plug and drive the first clamping jaw to rise, fall and translate.

[0008] The loading tray adopts a vibrating loading tray, which can arrange the plugs neatly. The first driving module drives the first clamping jaw to clamp the plug, and then drives the first clamping jaw to move above the middle frame where the plug is to be installed. Then the first clamping jaw is driven down to place the plug into the middle frame hole and release the plug to complete the installation of the plug.

[0009] Furthermore, the pressing unit includes a pressing head, a pressing head driving member for driving the pressing head to be pressed into or separated from the plug, and a pressure sensor arranged on the pressing head. The pressure sensor can monitor the pressure of the pressing unit during pressing. If the pressure does not match the preset pressure threshold, the middle frame press-fitted plug is judged to be defective.

[0010] The middle frame, with the plug installed, rotates to the plugging unit. The plug is aligned with the ram, and the ram driver drives the ram downward, forcing the plug into the middle frame hole. The pressure detection unit can use a pressure sensor. During downward pressure, the pressure sensor monitors the pressure applied by the ram and transmits the pressure information to the control system to determine whether the plugging pressure meets the preset pressure threshold.

[0011] Furthermore, the turntable is a circular divider turntable, and the middle frame clamps are arranged in a ring on the turntable.

[0012] The turntable adopts a circular divider turntable to realize the periodic intermittent rotation of the middle frame fixture, accurately control the rotation position of the middle frame fixture, and enable the middle frame fixture to face each processing component.

[0013] Furthermore, two groups of the plug hole assemblies are provided, and the two groups of the plug hole assemblies are respectively used for press-fitting plugs on the front and back holes of the middle frame, and a flip assembly for flipping the front and back of the middle frame is provided between the two groups of the plug hole assemblies.

[0014] The holes in the middle frame panel are distributed on both the front and back sides, so two sets of plugging assemblies are required, one for press-fitting plugs into the front and back holes of the middle frame. A flipping assembly is placed between the two sets of plugging assemblies to automatically flip the front and back sides of the middle frame. Specifically, the plugging unit, the pressing unit, the flipping assembly, the plugging unit, and the pressing unit are arranged in sequence along the direction of rotation of the turntable. Eight middle frame fixtures can be installed on the turntable to achieve continuous plugging of the holes on the front and back sides of the middle frame.

[0015] Furthermore, the flip assembly includes a second clamping jaw, and a second driving module that drives the second clamping jaw to clamp the middle frame and drives the second clamping jaw to rotate and lift.

[0016] The rotation of the turntable drives the middle frame to move to the flip assembly. The second driving module drives the second clamping jaw to descend and clamp the middle frame from both sides. Then, the second driving module drives the second clamping jaw to rise and leave the middle frame clamp and flip it 180 degrees. Then, the second clamping jaw is driven down again to place the middle frame into the middle frame clamp, completing the flip of the middle frame from front to back.

[0017] Furthermore, the blanking assembly includes a conveyor line arranged beside the turntable, a first suction cup located above the conveyor line, and a third driving module that drives the first suction cup to rise, fall and translate.

[0018] The middle frame with the plugged holes rotates to the unloading assembly as the turntable rotates. The third driving module drives the first suction cup to move above the middle frame, and then drives the first suction cup to descend and contact the middle frame. The first suction cup is connected to a vacuum generator, so that the suction cup sucks the middle frame. Then the third driving module drives the suction cup to move the middle frame above the conveyor line and descend to place it on the conveyor line.

[0019] Furthermore, the conveyor line includes a good product conveyor line and a defective product conveyor line arranged in parallel.

[0020] The conveyor line is equipped with a good product conveyor line and a defective product conveyor line. If the control system determines that the middle frame has a defective plugging hole, it will be automatically placed on the defective product conveyor line for manual processing; on the contrary, if it is a good middle frame, it will be automatically placed on the good product conveyor line and then grabbed by the robot and placed in the storage tray.

[0021] Furthermore, the laminating mechanism includes a laminating assembly, which includes a laminating tray for loading the protective film, a winding turntable for placing the middle frame and driving the middle frame to rotate to wind the protective film, and a die-cutting unit for cutting the protective film.

[0022] The winding turntable is symmetrically positioned along its diameter, with two clamping fixtures for placing the middle frames. After placing the two middle frames on the clamping fixtures, a protective film is applied to the designated position of one of the middle frames. The winding turntable then rotates the middle frame 180 degrees, wrapping the protective film around the sides of each middle frame. The die-cutting unit then cuts the protective film and presses the cut ends against the sides of the two middle frames, completing the wrapping of the protective film around the middle frame. The middle frame with the protective film wrapped around it is then removed and placed in the middle frame clamp on the turntable of the plugging mechanism. The middle frame is then placed on the clamping fixture before the next wrapping operation begins.

[0023] Furthermore, the laminating mechanism further includes a loading assembly, which includes a second suction cup, a third suction cup, and a fourth driving module that drives the second suction cup and the third suction cup to rise and fall synchronously and translate. The second suction cup is used to suck and place the middle frame after the protective film is wrapped, and the third suction cup is used to suck and place the middle frame to be wrapped with the protective film.

[0024] To improve operational efficiency, a fully automated pick-and-place system is used to automatically load and unload the wrapped protective film midframe. Second and third suction cups are connected to vacuum generators, allowing them to hold the midframe, respectively used for unloading the wrapped protective film midframe and loading the wrapped protective film midframe. After the wrapping operation is complete, the fourth drive module synchronously drives the second and third suction cups. The second suction cup picks up the wrapped protective film midframe and transfers it to the midframe fixture on the plugging mechanism's turntable. The third suction cup then picks up the midframe to be wrapped with protective film and transfers it to the clamping fixture on the wrapping turntable.

[0025] Compared with the prior art, the beneficial effects of the present invention are:

[0026] The automatic plugging equipment for middle frames designed in this scheme automatically wraps protective film around the middle frame and automatically plugs the middle frame holes. The laminating mechanism automatically wraps the film around the sides of the middle frame and can transfer the wrapped middle frame into the middle frame fixture on the turntable. The protective film prevents scratches on the sides of the middle frame during subsequent processing and transportation. The plugging mechanism automatically plugs the middle frame holes. The turntable rotates, moving the middle frame to a position opposite the plugging unit. The plugging unit clamps the plug and places it into the middle frame hole. The turntable then rotates again, moving the middle frame to a position opposite the pressing unit. The pressing unit presses the plug into the middle frame hole. The turntable then rotates again, moving the middle frame to a position opposite the blanking assembly. The blanking assembly removes the plugged middle frame from the turntable. Furthermore, the number of middle frame fixtures on the turntable is set according to the number of plugging and pressing units to ensure continuous and uninterrupted plugging operations. To ensure the quality of the middle frame plugging, the plugging unit can be equipped with a pressure detection unit to monitor the pressure during plugging. If the plugging pressure does not meet the preset pressure threshold, the control system will determine that the middle frame plugging is poor. If the plugging pressure is greater than the preset pressure threshold, it may be due to the middle frame not being properly seated in the middle frame fixture or being installed incorrectly. If the plugging pressure is less than the preset pressure threshold, it may be due to the middle frame being missing or incorrectly installed. The middle frame with poor plugging is removed by the blanking assembly and placed separately when it comes off the assembly line. This design not only improves plugging efficiency but also ensures the quality of the middle frame plugging and prevents the flow of poorly plugged middle frames. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural diagram of an automatic hole plugging device for a middle frame in one embodiment of the present utility model.

[0028] Figure 2 for Figure 1 A partial enlarged view of middle A.

[0029] Figure 3 This is a structural diagram of a plugging unit according to an embodiment of the present invention.

[0030] Figure 4 This is a structural diagram of a plugging unit according to an embodiment of the present invention.

[0031] Figure 5 This is a structural diagram of a flip assembly according to an embodiment of the present invention.

[0032] Figure 6 This is a structural diagram of a blanking assembly according to an embodiment of the present invention.

[0033] Illustrations: 1. Laminating mechanism; 11. Laminating assembly; 12. Loading assembly; 111. Laminating disc; 112. Winding turntable; 113. Die-cutting unit; 121. Second suction cup; 122. Third suction cup; 123. Fourth drive module; 2. Plug mechanism; 21. Turntable; 22. Plug assembly; 23. Unloading assembly; 24. Middle frame fixture; 25. Flip assembly; 221. Loading unit; 222. Plug unit; 231. Good product conveyor line; 232. Bad product conveyor line; 233. First suction cup; 234. Third drive module; 251. Second clamp; 252. Second drive module; 2211. Loading disc; 2212. First clamp; 2213. First drive module; 2221. Press head; 2222. Pressure sensor; 2223. Press head drive. DETAILED DESCRIPTION

[0034] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0035] like Figures 1 to 6 As shown, this embodiment provides an automatic plugging device for middle frames, comprising: a laminating mechanism 1 and a plugging mechanism 2, located adjacent to laminating mechanism 1. These devices automatically wrap protective film around the middle frame and automatically plug the holes in the middle frame. Laminating mechanism 1 automatically wraps film around the sides of the middle frame and transfers the wrapped middle frame to plugging mechanism 2, which prevents scratches on the sides during subsequent processing and transportation. The plugging mechanism 2 automatically plugs the holes in the middle frame. The device operates as follows: laminating mechanism 1 wraps protective film around the sides of the middle frame and then transfers it to plugging mechanism 2. This plugging mechanism presses plugs into the holes in the wrapped middle frame, and the device is taken offline after the operation is complete.

[0036] like Figure 1 and Figure 2As shown, the laminating mechanism 1 includes a laminating assembly 11 and a loading assembly 12. The laminating assembly 11 includes a laminating disc 111 for loading a protective film, a winding turntable 112 for placing a middle frame and driving the middle frame to rotate to wind the protective film, and a die-cutting unit 113 for cutting the protective film. The winding turntable 112 is symmetrically provided with two clamping fixtures for placing the middle frame along the diameter. During the initial operation, the laminating disc 111 is loaded with a protective film, the middle frame is clamped by the loading assembly 12 and installed on the clamping fixture, and the protective film is manually pasted on the set position of one of the middle frames. Then, the winding turntable 112 rotates to drive the middle frame to rotate 180 degrees, completing the side winding of the protective film on one middle frame. The die-cutting unit 113 cuts the protective film and presses the cut ends of the protective film on the sides of the two middle frames respectively, completing the winding of the protective film on one middle frame. The loading assembly 12 then removes the middle frame wrapped with protective film and moves it to the plugging mechanism 2. Another middle frame to be wrapped with protective film is placed on the clamping fixture before the next wrapping operation is continued. In this embodiment, the die-cutting unit 113 consists of a cutter, laminating blocks arranged on both sides of the cutter, and a drive cylinder that drives the cutter to extend and retract. After the protective film is wrapped around the middle frame, the drive cylinder drives the cutter to extend between the two middle frames. The cutter then cuts the protective film, and the two laminating blocks press the cut ends of the protective film onto the two middle frames. The loading assembly 12 includes a second suction cup 121, a third suction cup 122, and a fourth drive module 123 that drives the second and third suction cups 121, 122 to rise and fall synchronously and translate. The second and third suction cups 121, 122 are connected to a vacuum generator that allows the suction cups to hold the middle frame, respectively used for unloading the middle frame wrapped with protective film and loading the middle frame wrapped with protective film. After completing the winding operation, the fourth drive module 123 synchronously drives the second suction cup 121 and the third suction cup 122 to move. The second suction cup 121 sucks the middle frame of the wound protective film and transfers it to the plugging mechanism 2, and the third suction cup 122 sucks the middle frame of the protective film to be wound and transfers it to the clamping fixture of the winding turntable 112. In addition, a middle frame picking and positioning mechanism can be set next to the fourth drive module 123, so that the mechanism automatically takes the middle frame to be processed and places it on the suction position of the third suction cup and positions it. In this embodiment, the fourth drive module 123 can adopt the existing technology and is composed of a motor-driven sliding module and a driving cylinder. The second suction cup 121 and the third suction cup 122 are respectively connected to the driving shafts of the two driving cylinders. The driving cylinder drives the second suction cup 121 and the third suction cup 122 to rise and fall to suck and place the middle frame; the two driving cylinders are installed on the sliding module to achieve synchronous movement.

[0037] like Figure 1As shown, the plugging mechanism 2 includes a turntable 21, several plugging assemblies 22 adjacent to the turntable 21 and arranged sequentially along the direction of rotation of the turntable 21, and a blanking assembly 23. In this embodiment, two sets of plugging assemblies 22 are provided, with a flipping assembly 25 disposed between the two sets of plugging assemblies 22 for flipping the middle frame front and back. The two sets of plugging assemblies 22 are respectively used to press plugs into the front and back holes of the middle frame. In other possible embodiments, the number of plugging assemblies 22 can be increased based on actual needs. The upper surface of the turntable 21 is provided with several middle frame fixtures 24 for placing the middle frame. The plugging assemblies 22 include a plugging unit 221 for placing plugs into the holes of the middle frame within the middle frame fixtures 24, and a pressing unit 222 for pressing the plugs into the holes of the middle frame. The number of middle frame fixtures 24 on the turntable 21 is determined based on the number of plugging units 221 and pressing units 222 to ensure continuous plugging operations. The plugging assembly 22 can be provided in two groups. Specifically, the plugging unit 221, the pressing unit 222, the flip assembly 25, the plugging unit 221, the pressing unit 222, and the blanking assembly 23 are arranged in sequence along the rotation direction of the turntable 21. Eight middle frame clamps 24 can be provided on the turntable 21, thereby realizing the continuous plugging operation of the front and back holes of the middle frame. The turntable 21 rotates and drives the middle frame to a position facing the plugging unit 221. The plugging unit 221 clamps the plug and places it into the middle frame hole. Then the turntable 21 rotates again and drives the middle frame to a position facing the pressing unit 222. The pressing unit 222 presses the plug into the middle frame hole. Then the turntable 21 rotates again and drives the middle frame to a position facing the blanking assembly 23. The blanking assembly 23 removes the plugged middle frame from the turntable. To ensure the quality of the middle frame plugging, a pressure sensor 2222 is provided on the plugging unit 222 to monitor the pressure during plugging. If the plugging pressure does not meet a preset pressure threshold, the control system determines that the middle frame plugging is poor. If the plugging pressure is greater than the preset pressure threshold, it may be due to the middle frame not being properly seated in the middle frame fixture or being incorrectly installed. If the plugging pressure is less than the preset pressure threshold, it may be due to the middle frame being missing or incorrectly installed. When the middle frame with poor plugging is removed from the production line, it is removed by the blanking assembly 23 and placed separately. This design not only improves plugging efficiency but also ensures the quality of the middle frame plugging and prevents the flow of poorly plugged middle frames.

[0038] like Figure 3As shown, the plugging unit 221 includes a loading tray 2211 for storing plugs, and a clamping unit that picks up plugs from the loading tray 2211 and places them into the middle frame holes. The clamping unit includes a first clamping jaw 2212 and a first drive module 2213 that drives the first clamping jaw 2212 to grip the plugs and drive the first clamping jaw 2212 up, down, and horizontally. The loading tray 2211 uses a vibrating loading tray to neatly arrange the plugs. The first drive module 2213 drives the first clamping jaw 2212 to pick up the plugs, then drives the first clamping jaw 2212 to move above the middle frame where the plug is to be installed. It then drives the first clamping jaw 2212 downward to place the plug into the middle frame hole and release the plug, completing the plug installation. The first drive module 2213 can be constructed using existing technology and consists of a rodless cylinder, a guide cylinder, and a finger cylinder. The first clamping jaw 2212 is connected to the output shaft of the finger cylinder, and the finger cylinder drives the first clamping jaw 2212 to clamp the middle frame; the finger cylinder is installed on the guide rail cylinder, and the guide rail cylinder drives the finger cylinder to rise and fall, and the guide rail cylinder is installed on the rodless cylinder, and the rodless cylinder is installed on the support frame, and the rodless cylinder drives the guide rail cylinder to move between the loading disk and the turntable.

[0039] like Figure 4 As shown, the plugging unit 222 also includes a pressure head 2221 and a pressure head driving member 2223 that drives the pressure head 2221 to be pressed into or separated from the plug. The pressure head driving member 2223 can be a driving cylinder, and the pressure sensor 2222 is provided on the pressure head 2221. The middle frame with the plug installed is rotated to the plugging unit 222, and the plug is aligned with the pressure head 2221. The pressure head driving member 2223 drives the pressure head 2221 to press down and press the plug into the middle frame hole. During the downward pressure, the pressure sensor 2222 can monitor the pressure applied by the pressure head 2221 and transmit the pressure information to the control system to determine whether the plugging pressure meets the preset pressure threshold.

[0040] like Figure 1 As shown, the turntable 21 is a circular divider turntable, and the middle frame fixtures 24 are arranged in a ring on the turntable 21. The middle frame fixtures 24 are periodically rotated intermittently, and the position of the middle frame fixtures 24 is accurately controlled so that the middle frame fixtures 24 can be aligned with each processing component.

[0041] like Figure 5As shown, the flip assembly 25 includes a second clamping jaw 251 and a second driving module 252 that drives the second clamping jaw 251 to clamp the middle frame and drive the second clamping jaw 251 to rotate and lift. The turntable 21 rotates, driving the middle frame to move to the flip assembly 25. The second driving module 252 drives the second clamping jaw 251 to descend and clamp the middle frame from both sides. The second driving module 252 then drives the second clamping jaw 251 to rise and leave the middle frame fixture 24, flipping it 180 degrees. The second driving module 252 then drives the second clamping jaw 251 to descend again, placing the middle frame into the middle frame fixture 24, completing the flip of the middle frame from front to back. The second driving module 252 can adopt existing technology. The second driving module 252 is composed of a guide rod cylinder, a gear rack cylinder and a finger cylinder. The second clamping jaw 251 is connected to the output end of the finger cylinder, and the finger cylinder drives the second clamping jaw 251 to clamp the middle frame; the finger cylinder is installed on the gear rack cylinder, and the gear rack cylinder drives the finger cylinder to rotate back and forth to realize the front and back flipping of the middle frame. The gear rack cylinder is connected to the guide rail cylinder, and the guide rail cylinder drives the finger cylinder to move up and down.

[0042] like Figure 6 As shown, the unloading assembly 23 includes a conveyor line positioned adjacent to the turntable 21, a first suction cup 233 positioned above the conveyor line, and a third drive module 234 that drives the first suction cup 233 up and down and translates. The conveyor line includes a good-product conveyor line 231 and a bad-product conveyor line 232, arranged in parallel. When a plugged middle frame is brought to the unloading assembly 23 by the turntable 21, the third drive module 234 drives the first suction cup 233 to move above the middle frame and then lowers it into contact with it. A vacuum generator is connected to the first suction cup 233, allowing it to hold the middle frame. If the control system determines that a middle frame has a poorly plugged hole, it is automatically placed on the bad-product conveyor line 232 for manual processing. Conversely, if a middle frame is good, it is automatically placed on the good-product conveyor line 231. Alternatively, a robotic arm and a material storage tray can be positioned adjacent to the good-product conveyor line 231, allowing the robotic arm to automatically grab the middle frame and place it in the storage tray. The third driving module 234 can adopt existing technology and is composed of a rodless cylinder and a guide rod cylinder. The first suction cup 233 is connected to the output end of the guide rod cylinder. The guide rod cylinder drives the first suction cup 233 to rise and fall to suck and place the middle frame. The guide rod cylinder is installed on the rodless cylinder, and the rodless cylinder is installed on the support frame. The rodless cylinder drives the guide rod cylinder to move between the turntable 21 and the conveyor line.

[0043] In the description of the present invention, it should be understood that terms such as "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0044] Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referenced. Therefore, the term "first," "second," and the like may explicitly or implicitly include one or more of the features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0045] Although the embodiments of the present invention 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 invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A middle frame automatic plugging device, characterized in that: include: Laminating mechanism, used to wrap protective film around the side of the middle frame; A plugging mechanism is provided adjacent to the laminating mechanism and is used to press-fit the plug into the hole of the middle frame of the wound protective film; The plugging mechanism includes a turntable, a plurality of plugging assemblies and a blanking assembly adjacent to the turntable and arranged in sequence along the rotation direction of the turntable; the turntable is provided with a plurality of middle frame clamps for placing the middle frame, and the plugging assembly includes a plugging unit for placing the plug into the hole of the middle frame in the middle frame clamp, and a plugging unit for pressing the plug into the hole of the middle frame.

2. The middle frame automatic plugging device according to claim 1, characterized in that: The plugging unit includes a loading tray for storing plugs, and a clamping unit for clamping the plugs from the loading tray and placing them into the middle frame hole. The clamping unit includes a first clamping jaw and a first driving module that drives the first clamping jaw to clamp the plug and drive the first clamping jaw to rise, fall and translate.

3. The automatic plugging hole device for the middle frame according to claim 1, characterized in that: The pressing unit includes a pressing head, a pressing head driving member for driving the pressing head to press or separate from the plug, and a pressure sensor arranged on the pressing head. The pressure sensor can monitor the pressure of the pressing unit during pressing. If the pressure does not meet the preset pressure threshold, the middle frame press-fitted plug is judged to be defective.

4. The middle frame automatic plugging device according to claim 1, characterized in that: The turntable is a circular divider turntable, and the middle frame clamps are arranged in a ring on the turntable.

5. The automatic plugging device for the middle frame according to any one of claims 1 to 4, characterized in that: The plug hole components are provided in two groups, and the two groups of the plug hole components are respectively used for press-fitting plugs on the front and back holes of the middle frame. A flip component for flipping the front and back of the middle frame is provided between the two groups of the plug hole components.

6. The automatic plugging hole device for the middle frame according to claim 5, characterized in that: The flip assembly includes a second clamping claw and a second driving module that drives the second clamping claw to clamp the middle frame and drives the second clamping claw to rotate and lift.

7. The automatic plugging hole device for the middle frame according to claim 1, characterized in that: The unloading assembly includes a conveying line arranged beside the turntable, a first suction cup located above the conveying line, and a third driving module driving the first suction cup to rise, fall and translate.

8. The automatic plugging hole device for the middle frame according to claim 7, characterized in that: The conveyor line includes a good product conveyor line and a defective product conveyor line arranged in parallel.

9. The automatic plugging hole device for the middle frame according to claim 1, characterized in that: The laminating mechanism includes a laminating assembly, which includes a laminating tray for loading a protective film, a winding turntable for placing a middle frame and driving the middle frame to rotate to wind the protective film, and a die-cutting unit for cutting the protective film.

10. The automatic plugging hole device for the middle frame according to claim 9, characterized in that: The laminating mechanism also includes a loading component, which includes a second suction cup, a third suction cup, and a fourth driving module that drives the second suction cup and the third suction cup to rise and fall and translate synchronously. The second suction cup is used to suck and place the middle frame after the protective film is wrapped, and the third suction cup is used to suck and place the middle frame to be wrapped with the protective film.

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