Feeding device for mobile phone shell coating equipment

Abstract

The utility model relates to a feeding device for mobile phone shell coating equipment, the feeding device comprises a rack, a material taking assembly and a feeding assembly, the coating equipment is arranged on the rack, the feeding assembly is arranged on the rack in a sliding mode in the length direction of the rack, the material taking assembly is arranged on the feeding assembly, and the material taking assembly is arranged on the feeding assembly. And the material taking assembly comprises a pneumatic suction cup, the pneumatic suction cup is used for sucking and holding the mobile phone shell, the feeding assembly is used for conveying the pneumatic suction cup sucking and holding the mobile phone shell into coating equipment, and the effect of improving the convenience of the coating and feeding process of the mobile phone shell is achieved.

Description

Technical Field

[0001] The present application relates to the field of coating technology, and in particular to a feeding device for mobile phone shell coating equipment. Background Art

[0002] Mobile phone coating technology includes anti-fingerprint, anti-scratch, anti-glare, waterproof, optical, conductive, UV protection and antibacterial coatings, which are designed to improve the performance of mobile phone screens and shells, such as reducing fingerprint residue, increasing hardness, improving visual effects, waterproofing and dustproofing, improving conductivity and inhibiting bacterial growth, thereby improving user experience and the durability of mobile phones.

[0003] Among them, in the coating technology, the technology of vacuum sputtering coating is an excellent choice. Vacuum sputtering coating has an efficient, uniform and precise coating process. It can achieve high-quality, high-adhesion and high-density films on various substrates. It is suitable for a variety of materials, such as metals, ceramics and plastics, and has strong controllability.

[0004] Since the appearance quality of mobile phone cases is required to be extremely high, in order to reduce the possibility of scratches on the mobile phone cases due to improper operation when placed in the vacuum sputtering coating equipment, manual loading is usually used. However, the vacuum sputtering coating equipment itself is dangerous and there are safety hazards if it is not operated properly, which urgently needs further improvement. Utility Model Content

[0005] In order to improve the convenience of the mobile phone case coating and loading process, the present application provides a loading device for mobile phone case coating equipment.

[0006] The present application provides a feeding device for a mobile phone shell coating device using the following technical solution:

[0007] A feeding device for a mobile phone shell coating device comprises a frame, a material picking assembly and a feeding assembly, wherein the coating device is arranged on the frame, the feeding assembly is slidably arranged on the frame along the length direction of the frame, the material picking assembly is arranged on the feeding assembly, the material picking assembly comprises a pneumatic suction cup, the pneumatic suction cup is used to hold the mobile phone shell, and the feeding assembly is used to send the pneumatic suction cup holding the mobile phone shell into the coating device.

[0008] By adopting the above technical scheme, the mobile phone case to be coated is sucked by the pneumatic suction cup, and then the feeding component carries the pneumatic suction cup holding the mobile phone case to move toward the feeding port of the coating equipment. When the mobile phone case enters the coating equipment, the coating equipment starts to coat the mobile phone case. At the same time, the feeding component carries the pneumatic suction cup to reset to prepare for the next transportation of the mobile phone case, thereby realizing the sustainable coating and loading of the mobile phone case, which plays a positive guiding role in improving the convenience of the coating and loading process of the mobile phone case.

[0009] Preferably, the feeding assembly includes a servo motor and a screw rod, the screw rod is rotatably supported on the frame above the coating equipment, the servo motor is arranged on the frame, the servo motor and the screw rod are coaxially fixed, a bearing seat is threadedly provided on the screw rod, and the material picking assembly is arranged on the bearing seat.

[0010] By adopting the above technical solution, when the output shaft of the servo motor rotates counterclockwise or clockwise, the lead screw will move synchronously with the output shaft of the servo motor, so that the supporting seat will be displaced along the lead screw. At this time, the pneumatic suction cup of the material picking assembly moves synchronously with the supporting seat. The mechanical structure is simple, and the speed and time of the servo motor driving the lead screw to rotate can be flexibly controlled, so that the pneumatic suction cup can send the mobile phone case into the coating equipment relatively accurately.

[0011] Preferably, the material picking assembly also includes a driving cylinder, which is arranged on the supporting seat, and the piston rod of the driving cylinder is downward in the vertical direction, a supporting plate is arranged at the front end of the piston rod of the driving cylinder, and the pneumatic suction cup is arranged on the supporting plate.

[0012] By adopting the above technical scheme, the piston rod of the driving cylinder can reciprocate in the vertical direction, so that the pneumatic suction cup can move synchronously with the piston rod of the driving cylinder. When the pneumatic suction cup holds the mobile phone case, the piston rod of the driving cylinder extends, so that the pneumatic suction cup can abut against the mobile phone case, which is convenient for the pneumatic suction cup to stably hold the mobile phone case; at the same time, when the pneumatic suction cup reaches above the feeding port of the coating equipment, the piston rod of the driving cylinder extends, thereby reducing the height between the pneumatic suction cup and the coating area of ​​the coating equipment, reducing the probability of deformation or scratches of the mobile phone case when it falls to the coating area of ​​the coating equipment due to the long distance between the mobile phone case and the coating area of ​​the coating equipment.

[0013] Preferably, the support plate is provided with two rows of adjustment positions along the length direction, each row of the adjustment positions includes a plurality of adjustment holes, the plurality of adjustment holes are arranged along the length direction of the support plate, and four connecting arms are provided on the support plate, the four connecting arms can be fixed to any one of the adjustment holes using bolts, and the four suction feet of the pneumatic suction cup are respectively provided on the four connecting arms.

[0014] By adopting the above technical solution, the distance between the four connecting arms can be adjusted through two rows of adjustment positions, thereby indirectly adjusting the width between the four suction feet of the pneumatic suction cup, so that it can adapt to the suction requirements of mobile phone cases of different widths. The connecting arms and the adjustment holes are fixed with bolts, and the connecting arms can be quickly disassembled and assembled, which is highly practical.

[0015] Preferably, the four connecting arms are provided with waist-shaped grooves along the length direction, and the four suction feet of the pneumatic suction cup are slidably arranged in the waist-shaped grooves.

[0016] By adopting the above technical solution, the distance between the four suction feet of the pneumatic suction cup along the length direction can be indirectly adjusted in multiple ranges through the waist-shaped groove, so that it can meet the suction and holding requirements of mobile phone shells of different lengths.

[0017] Preferably, a material placing plate is provided on the frame, and the material placing plate is located directly below the pneumatic suction cup when it is in an initial position, and a hollow area matching the shape of the mobile phone case is opened on the material placing plate.

[0018] By adopting the above technical solution, the placement position of the mobile phone case along the loading plate is limited by the hollow area on the loading plate, so that the placement position of any mobile phone case is relatively fixed, which is convenient for the pneumatic suction cup to hold the mobile phone case, and reduces the probability of the mobile phone case falling off along the pneumatic suction cup during transportation to the coating equipment due to the change in the position of the mobile phone case, resulting in the pneumatic suction cup being unable to accurately hold the mobile phone case / or the four washing feet of the pneumatic suction cup not completely holding the mobile phone case.

[0019] Preferably, a buffer spring is provided on the frame below the material placement plate, a fixed end of the buffer spring is fixedly connected to the frame, and a free end of the buffer spring abuts against the material placement plate.

[0020] By adopting the above technical solution, when the piston rod of the driving cylinder is extended, the pneumatic suction cup moves synchronously with the piston rod of the driving cylinder. At the moment when the pneumatic suction cup abuts against the mobile phone case in the hollow area, the buffering effect of the buffer spring reduces the pressure directly exerted by the pneumatic suction cup on the surface of the mobile phone case, thereby reducing the probability of deformation or scratches of the mobile phone case caused by excessive pressure exerted by the starting cylinder on the mobile phone case.

[0021] Preferably, it also includes a detection component, which includes an infrared sensor and a pressure sensor, the infrared sensor is arranged on the support plate, the detection head of the infrared sensor is facing the material placement plate, the pressure sensor is arranged in the hollow area, and the controller of the coating equipment is electrically connected to the infrared sensor, the pressure sensor, the servo motor, the driving cylinder and the pneumatic suction cup.

[0022] By adopting the above technical solution, through the coordinated cooperation of infrared sensors, pressure sensors and controllers, the overall flexibility of the feeding device is improved, which plays a positive guiding role in improving the feeding process of mobile phone case coating.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. Use a pneumatic suction cup to hold the mobile phone case, and the feeding component transports the mobile phone case to the coating equipment. The equipment starts coating, and the feeding component resets at the same time to prepare for the next delivery of the mobile phone case, realizing the continuous coating and feeding of the mobile phone case, and improving the convenience of operation;

[0025] 2. Through the cooperation of two rows of adjustment positions and waist-shaped grooves on four connecting arms, the contour formed by the four suction feet of the pneumatic suction cup can be adjusted to meet the suction requirements of the pneumatic suction cup for mobile phone cases of different sizes;

[0026] 3. Through the buffering effect of the buffer spring, the probability of the mobile phone case cracking or deforming due to excessive pressure exerted by the pneumatic suction cup on the mobile phone case in the hollow area is reduced, which plays a positive guiding role in maintaining the yield rate of the mobile phone case. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of a feeding device for a mobile phone shell coating device in an embodiment of the present application.

[0028] Figure 2 It is a schematic diagram of the coordination relationship between a material taking component and a material feeding component in a loading device for a mobile phone shell coating device in an embodiment of the present application.

[0029] Figure 3 yes Figure 1 Schematic diagram of the explosion of part A along the axis shown.

[0030] Figure 4 It is a system principle block diagram between a controller and an infrared sensor, a pressure sensor, a pneumatic suction cup and a servo motor in a mobile phone shell coating device in an embodiment of the present application.

[0031] Explanation of the accompanying drawings: 1. Frame; 11. Carrying platform; 111. Receiving groove; 12. Sliding frame; 2. Material picking assembly; 21. Pneumatic suction cup; 22. Driving cylinder; 3. Feeding assembly; 31. Servo motor; 32. Screw rod; 4. Coating equipment; 5. Carrying seat; 6. Support plate; 61. Adjustment position; 611. Adjustment hole; 62. Connecting arm; 621. Waist-shaped groove; 7. Material placing plate; 71. Hollow area; 8. Buffer spring; 9. Pressure sensor. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The present application embodiment discloses a feeding device for a mobile phone shell coating device. Figure 1A feeding device for a mobile phone shell coating device comprises a frame 1, a material picking component 2 and a feeding component 3. A coating device 4 is arranged on the frame 1. The feeding component 3 is slidably arranged on the frame 1 along the length direction of the frame 1. The material picking component 2 is arranged on the feeding component 3. The material picking component 2 comprises a pneumatic suction cup 21. The pneumatic suction cup 21 is used to hold the mobile phone shell. The feeding component 3 is used to send the pneumatic suction cup 21 holding the mobile phone shell into the coating device 4.

[0034] Among them, the coating device 4 is a conventional vacuum sputtering coating device 4. Vacuum sputtering coating is a process in which a sputtering material target is excited by an electric field in a vacuum environment, releasing atoms or molecules and depositing them on the surface of a substrate to form a thin film. In a vacuum chamber, a voltage is applied to the target by a power supply to generate ions to bombard the surface of the target, so that its atoms or molecules are dissociated from the target and deposited on the surface of the object to be plated, forming a uniform and dense film, achieving surface modification, functional enhancement or decorative effects, and its specific composition is not described in detail here.

[0035] The implementation principle of a feeding device for a mobile phone shell coating equipment in an embodiment of the present application is as follows: when the mobile phone shell needs to be coated, the mobile phone shell to be coated is sucked by a pneumatic suction cup 21, and then the feeding component 3 carries the pneumatic suction cup 21 holding the mobile phone shell to move toward the feeding port of the coating equipment 4, and then the feeding port of the coating equipment 4 is opened, and after the mobile phone shell enters the coating equipment 4, the coating equipment 4 starts to coat the mobile phone shell. At the same time, the feeding component 3 carries the pneumatic suction cup 21 to reset, and prepares for the next transportation of the mobile phone shell, thereby realizing the sustainable feeding process of the mobile phone shell coating, and playing a positive guiding role in improving the convenience of the mobile phone shell coating feeding process.

[0036] Reference Figure 1 and Figure 2 The feeding assembly 3 includes a servo motor 31 and a screw rod 32. The screw rod 32 is rotatably supported on a frame 1 above the coating equipment 4. The servo motor 31 is arranged on the frame 1. The servo motor 31 and the screw rod 32 are coaxially fixed. A bearing seat 5 is threadedly provided on the screw rod 32. The material taking assembly 2 is arranged on the bearing seat 5.

[0037] Specifically, the frame 1 includes a supporting platform 11 and a sliding frame 12. The sliding frame 12 is mounted on the supporting platform 11, and the sliding frame 12 and the supporting platform 11 are vertically arranged in spatial position relationship. The screw rod 32 is rotatably supported on the sliding frame 12, and the servo motor 31 is fixed on the sliding frame 12, so that when the output shaft of the servo motor 31 rotates, the screw rod 32 can stably rotate along the sliding frame 12.

[0038] Therefore, when the output shaft of the servo motor 31 rotates clockwise or counterclockwise, the screw rod 32 will move synchronously with the output shaft of the servo motor 31. When the screw rod 32 rotates in the clockwise direction, the support seat 5 will move along the screw rod 32 away from the output shaft of the servo motor 31; when the screw rod 32 rotates in the counterclockwise direction, the support seat 5 will move along the screw rod 32 towards the output shaft of the servo motor 31. Since the material picking component 2 is arranged on the support seat 5, the pneumatic suction cup 21 moves synchronously with the support seat 5. The highly controllable rotation speed and working time of the servo motor 31 are utilized to help control the distance and speed of the movement of the support seat 5 along the screw rod 32. The mechanical structure is simple and easy to maintain.

[0039] Please refer to Figure 1 and Figure 2 The material picking assembly 2 also includes a driving cylinder 22, which is arranged on the supporting seat 5, and the piston rod of the driving cylinder 22 is downward in the vertical direction. A supporting plate 6 is arranged at the front end of the piston rod of the driving cylinder 22, and the pneumatic suction cup 21 is arranged on the supporting plate 6.

[0040] Specifically, the base of the driving cylinder 22 is fixedly connected to the bearing seat 5 by bolts. At the same time, the supporting plate 6 and the piston rod of the driving cylinder 22 are fixed by bolts, so that the piston rod of the driving cylinder 22 can carry the supporting plate 6 to stably reciprocate in the vertical direction.

[0041] Therefore, when the pneumatic suction cup 21 is needed to hold the mobile phone case, the piston rod of the driving cylinder 22 is extended, so that the pneumatic suction cup 21 can be in contact with the mobile phone case. At this time, the pneumatic suction cup 21 is in working state, and the mobile phone case is held; at the same time, when the pneumatic suction cup 21 reaches above the feeding port of the coating equipment 4, the piston rod of the driving cylinder 22 is extended, thereby reducing the height between the pneumatic suction cup 21 and the coating area of ​​the coating equipment 4, thereby reducing the probability of deformation or scratches of the mobile phone case when it falls to the coating area of ​​the coating equipment 4 due to the long distance between the mobile phone case and the coating area of ​​the coating equipment 4.

[0042] Reference Figure 1 and Figure 2 The support plate 6 is provided with two rows of adjustment positions 61 along the length direction, each row of adjustment positions 61 includes a plurality of adjustment holes 611, and the plurality of adjustment holes 611 are arranged along the length direction of the support plate 6, and four connecting arms 62 are provided on the support plate 6, and the four connecting arms 62 can be fixed to any one of the adjustment holes 611 using bolts, and the four suction feet of the pneumatic suction cup 21 are respectively provided on the four connecting arms 62.

[0043] Specifically, the pneumatic suction cup 21 used in this embodiment is a four-pin pneumatic suction cup 21, that is, each suction foot is connected to an independent air channel, so that the four suction feet of the pneumatic suction cup 21 can work independently, and the installation positions of the four suction feet are adjustable, which will not be described in detail here.

[0044] Furthermore, the two rows of adjustment positions 61 are symmetrically arranged at two edges of the support plate 6 about the axis in the length direction of the support plate 6, and the distance between any adjustment hole 611 in each row of adjustment positions 61 and the adjacent adjustment hole 611 is the same.

[0045] At the same time, the external contour of the four connecting arms 62 is set in a rectangular shape, and a mounting hole is opened at one end of the four connecting arms 62 along the length direction. Therefore, the four connecting arms 62 can be installed on any adjustment hole 611 by bolts, and the distances in the brackets of the four connecting arms 62 can be adjusted similarly through a plurality of adjustment holes 611 on the two rows of adjustment positions 61, thereby indirectly adjusting the distances between the four suction feet of the pneumatic suction cup 21, so that it can adapt to the suction requirements of mobile phone cases of different widths, and the connecting arms 62 and the adjustment holes 611 are fixed with bolts, and the connecting arms 62 can be quickly disassembled and assembled, which is highly practical.

[0046] On the other hand, the four connecting arms 62 are all provided with waist-shaped grooves 621 along the length direction, and the four suction feet of the pneumatic suction cup 21 are slidably arranged in the waist-shaped grooves 621. Through the waist-shaped grooves 621, the distance of the four suction feet of the pneumatic suction cup 21 in the bracket along the length direction can be indirectly adjusted in multiple ranges, so that it can meet the suction and holding requirements of mobile phone shells of different lengths; after the position adjustment of the four suction feet of the pneumatic suction cup 21 in the waist-shaped grooves 621 is completed, the position of the suction feet of the pneumatic suction cup 21 can be fixed by bolts.

[0047] Reference Figure 2 and Figure 3 The rack 1 is provided with a material placement plate 7, which is located directly below the pneumatic suction cup 21 when it is in the initial position. The material placement plate 7 is provided with a hollow area 71 that matches the shape of the mobile phone shell. The placement position of the mobile phone shell along the material placement plate 7 is limited by the hollow area 71 on the material placement plate 7, so that the placement position of any mobile phone shell is relatively fixed, which is convenient for the pneumatic suction cup 21 to hold, and reduces the probability of the mobile phone shell falling off along the pneumatic suction cup 21 during the transportation to the coating device 4 due to the change in the position of the mobile phone shell, which causes the pneumatic suction cup 21 to fail to accurately hold the mobile phone shell / or the four wash feet of the pneumatic suction cup 21 to fail to completely hold the mobile phone shell.

[0048] Correspondingly, a receiving groove 111 is provided on the supporting platform 11, and the contour of the receiving groove 111 is adapted to the contour of the loading plate 7. At the same time, a buffer spring 8 is arranged in the receiving groove 111. There are four buffer springs 8, which are arranged in a rectangular array in the receiving groove 111, and the fixed ends of the four buffer springs 8 are fixedly connected to the bottom of the receiving groove 111. When the loading plate 7 is placed in the receiving groove 111, the free ends of the four buffer springs 8 can abut against the lower surface of the loading plate 7. At this time, the loading plate 7 is in an unfixed state, that is, the loading plate 7 can be taken out along the receiving groove 111 as a whole, so as to facilitate the replacement of loading plates 7 of different specifications.

[0049] Therefore, when the piston rod of the driving cylinder 22 is extended, the pneumatic suction cup 21 moves synchronously with the piston rod of the driving cylinder 22. At the moment when the pneumatic suction cup 21 abuts against the mobile phone case in the hollow area 71, the buffering effect of the buffer spring 8 reduces the pressure directly exerted by the pneumatic suction cup 21 on the surface of the mobile phone case, thereby reducing the probability of deformation or scratches of the mobile phone case due to excessive pressure applied to the mobile phone case by the starting cylinder.

[0050] Please continue to refer to Figure 3 and Figure 4 , and also includes a detection component, the detection component includes an infrared sensor and a pressure sensor 9, the infrared sensor is arranged on the supporting plate 6, the detection head of the infrared sensor is facing the placing plate 7, the pressure sensor 9 is arranged in the hollow area 71 of the placing plate 7, and the controller of the coating equipment 4 is electrically connected to the infrared sensor, the pressure sensor 9, the servo motor 31, the driving cylinder 22 and the pneumatic suction cup 21.

[0051] Specifically, the controller of the coating equipment 4 is a programmable logic controller (PLC), which is a computer control system used in industrial automation and control systems, and its specific working principle will not be described in detail here.

[0052] Correspondingly, an infrared sensor is used to detect whether a mobile phone case is placed in the hollow area 71. If a mobile phone case is placed in the hollow area 71, the infrared sensor sends a detection signal to the controller, and the controller continues to execute the built-in program to make the piston rod of the driving cylinder 22 carry the pneumatic suction cup 21 to move toward the hollow area 71, and control the pneumatic suction cup 21 to start working to hold the mobile phone case. Then the output shaft of the servo motor 31 starts to rotate. At this time, the supporting seat 5 carries the driving cylinder 22 to move toward the feeding port of the coating equipment 4 to complete the transportation process of the mobile phone case.

[0053] At the same time, if the infrared sensor detects that there is no mobile phone case placed in the hollow area 71, the infrared sensor sends a detection signal to the controller, and the controller controls the pneumatic suction cup 21, the driving cylinder 22, the servo motor 31 and the coating equipment 4 to stop working through the built-in program until the infrared detector detects that a mobile phone case is placed in the hollow area 71. The controller can then continue to execute subsequent programs, thereby reducing the number of empty operations.

[0054] In addition, the pressure applied to the mobile phone case by the pneumatic suction cup 21 is detected by the pressure sensor 9. When the pressure applied to the mobile phone case by the pneumatic suction cup 21 is too large, the pressure sensor 9 sends a detection signal to the controller, and the controller quickly controls the pneumatic suction cup 21 to stop working. At the same time, the controller controls the piston rod of the driving cylinder 22 to quickly retract, so that the pneumatic suction cup 21 is separated from the mobile phone case, thereby reducing the probability of deformation or cracking of the mobile phone case due to excessive pressure applied to the mobile phone case by the driving cylinder 22 bearing the pneumatic suction cup 21.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A feeding device for mobile phone shell coating equipment, characterized in that: The invention comprises a frame (1), a material taking component (2) and a material feeding component (3); the frame (1) is provided with a coating device (4); the material feeding component (3) is slidably arranged on the frame (1) along the length direction of the frame (1); the material taking component (2) is arranged on the material feeding component (3); the material taking component (2) comprises a pneumatic suction cup (21); the pneumatic suction cup (21) is used for sucking a mobile phone shell; the material feeding component (3) is used for delivering the pneumatic suction cup (21) sucking the mobile phone shell into the coating device (4).

2. A feeding device for mobile phone shell coating equipment according to claim 1, characterized in that: The feeding assembly (3) comprises a servo motor (31) and a screw rod (32); the screw rod (32) is rotatably supported on the frame (1) above the coating device (4); the servo motor (31) is arranged on the frame (1); the servo motor (31) and the screw rod (32) are coaxially fixed; a bearing seat (5) is threadedly provided on the screw rod (32); and the material taking assembly (2) is arranged on the bearing seat (5).

3. A feeding device for mobile phone shell coating equipment according to claim 2, characterized in that: The material picking assembly (2) also includes a driving cylinder (22), the driving cylinder (22) is arranged on the supporting seat (5), and the piston rod of the driving cylinder (22) is downward in the vertical direction, and a supporting plate (6) is arranged at the front end of the piston rod of the driving cylinder (22), and the pneumatic suction cup (21) is arranged on the supporting plate (6).

4. A feeding device for mobile phone shell coating equipment according to claim 3, characterized in that: The support plate (6) is provided with two rows of adjustment positions (61) along the length direction, each row of the adjustment positions (61) includes a plurality of adjustment holes (611), and the plurality of adjustment holes (611) are arranged along the length direction of the support plate (6), and the support plate (6) is provided with four connecting arms (62), and the four connecting arms (62) can be fixed to any one of the adjustment holes (611) by using bolts, and the four suction feet of the pneumatic suction cup (21) are respectively arranged on the four connecting arms (62).

5. A feeding device for mobile phone shell coating equipment according to claim 4, characterized in that: The four connecting arms (62) are each provided with a waist-shaped groove (621) along the length direction, and the four suction feet of the pneumatic suction cup (21) are slidably arranged in the waist-shaped groove (621).

6. A feeding device for mobile phone shell coating equipment according to claim 5, characterized in that: The frame (1) is provided with a material placement plate (7), the material placement plate (7) is located directly below the pneumatic suction cup (21) when it is in an initial position, and the material placement plate (7) is provided with a hollow area (71) that matches the shape of the mobile phone shell.

7. A feeding device for mobile phone shell coating equipment according to claim 6, characterized in that: A buffer spring (8) is provided on the frame (1) below the material placement plate (7); the fixed end of the buffer spring (8) is fixedly connected to the frame (1), and the free end of the buffer spring (8) abuts against the material placement plate (7).

8. A feeding device for mobile phone shell coating equipment according to claim 7, characterized in that: The device also includes a detection component, which includes an infrared sensor and a pressure sensor (9). The infrared sensor is arranged on the support plate (6), and the detection head of the infrared sensor faces the material placement plate (7). The pressure sensor (9) is arranged in the hollow area (71), and the controller of the coating device (4) is electrically connected to the infrared sensor, the pressure sensor (9), the servo motor (31), the driving cylinder (22) and the pneumatic suction cup (21).

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