Automatic testing equipment for glue cover masks

Abstract

This invention discloses an automatic adhesive testing and mask-covering device, comprising a frame, a transmission system, an adhesive testing mechanism, an adhesive dryness detection system, a mask-covering mechanism, a mask orientation detection system, and a mask feeding mechanism. All components are mounted on the frame, with the adhesive testing mechanism and mask-covering mechanism mounted on one side of the transmission system. The transmission system delivers the mask base to the adhesive dryness detection station. The adhesive dryness detection system acquires and tests the adhesive on the mask base to confirm its dryness. The mask-covering mechanism picks up the mask cover from the mask feeding mechanism, and the mask orientation detection system determines the accuracy of the cover's orientation. The mask-covering mechanism then places the mask onto the mask base. The entire testing and covering process is completed automatically, offering advantages such as high production efficiency, high product yield, and stable production process.

Description

Technical Field

[0001] The invention relates to a production line, in particular to an automatic glue-measuring and mask-covering device. Background Art

[0002] The mask includes a mask seat and a mask cover. The mask cover needs to be fixed on the mask seat and connected by glue. In the traditional production method, the inspection of whether the glue is dry and the operation of covering the mask cover on the mask seat are all done manually, which has high labor costs, and defects such as missing and inaccurate covering are prone to occur during the operation, and the production process is unstable. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic glue-covering mask testing device with a high degree of automation.

[0004] To achieve the above purpose, the technical solution of the present invention is:

[0005] The present invention discloses an automatic glue measuring and mask covering device, comprising a frame, a transmission system, a glue measuring mechanism, a glue not-drying identification system, a mask covering mechanism, a mask direction identification system, and a mask feeding mechanism;

[0006] The transmission system, glue measuring mechanism, non-dry glue identification system, mask covering mechanism, mask direction identification system, and mask feeding mechanism are all installed on the frame, the glue measuring mechanism and the mask covering mechanism are installed on one side of the transmission system, the non-dry glue identification system and the mask direction identification system are installed between the transmission system and the mask feeding mechanism, the first station of the glue measuring mechanism is connected to the transmission system, the second station of the glue measuring mechanism is connected to the non-dry glue identification system to determine whether the glue is dry or not; the first station of the mask covering mechanism is connected to the mask feeding mechanism to take out the mask, the second station of the mask covering mechanism is connected to the mask direction identification system, and the third station of the mask covering mechanism is connected to the transmission system to cover the mask on the mask seat.

[0007] The glue measuring mechanism includes a glue measuring robot, a detection needle fixing mechanism, and a detection needle placing tray; the detection needle fixing mechanism is fixedly installed at the free end of the glue measuring robot, and the detection needle placing tray is installed on the frame; the first station of the glue measuring robot is connected to the transmission system, and the detection needle obtains the glue that may not be dry on the mask seat, the second station of the glue measuring robot is connected to the non-dry glue identification system, and the third station of the glue measuring robot is connected to the detection needle placing tray to replace the detection needle stained with glue.

[0008] The detection needle fixing mechanism includes a fixed seat, a lifting guide rail, a cylinder slider, a lifting cylinder, and a pneumatic clamp; the upper end of the fixed seat is fixed to the free end of the glue testing robot, the lifting guide rail is fixed on the fixed seat, the cylinder slider is slidably connected to the lifting guide rail, the cylinder body of the lifting cylinder is fixed on the cylinder slider, and the rod end of the piston rod of the lifting cylinder is connected to the baffle on the fixed seat; the baffle is vertically fixed on the fixed seat body, and the pneumatic clamp is fixedly installed on the top surface of the lifting cylinder body, and the pneumatic clamp is used to clamp the detection needle.

[0009] The pneumatic clamp includes a clamping cylinder and more than two clamping arms. The clamping cylinder is fixedly installed on the top surface of the lifting cylinder body. The lower part of the clamping cylinder is provided with more than two T-slots. The upper part of the clamping arm is a T-block and is slidably nested in the T-slot at the lower part of the clamping cylinder. The lower part of the clamping arm is provided with a clamping portion, and the clamping portion is provided with a step surface.

[0010] The mask covering mechanism includes a mask manipulator and a material suction mechanism; the material suction mechanism is fixedly installed on the free end of the mask manipulator; the material suction mechanism includes a cover plate frame, a cover pressing cylinder, and a suction cup, the cover plate frame is fixedly installed on the free end of the mask manipulator, the cylinder body of the cover pressing cylinder is fixed on the cover plate frame, and the piston rod end of the cover pressing cylinder is connected to the top surface of the suction cup.

[0011] The material suction mechanism includes a cover frame, two cover pressing cylinders, and two suction cups. The cover frame is fixedly installed on the free end of the mask manipulator, the cylinder bodies of the two cover pressing cylinders are respectively fixed on the cover frame, and the piston rod ends of the two cover pressing cylinders are respectively connected to the top surfaces of the two suction cups.

[0012] The cover plate frame includes a connecting seat, two mask blocking frames, and three mask background plates; the middle part of the connecting seat is fixedly installed on the free end of the mask manipulator, the two mask blocking frames are respectively fixedly installed on both sides of the connecting seat, the cylinder bodies of the two pressing cylinders are respectively fixed on both sides of the connecting seat, the piston rod ends of the two pressing cylinders are respectively connected to the top surfaces of the two suction cups, the suction cup gap is sleeved in the mask blocking frame and the lower end surface of the suction cup can pass through the through hole on the bottom surface of the mask blocking frame; the three mask background plates are respectively installed on the two mask blocking frames and the three mask background plates are respectively located on both sides of the two mask blocking frames.

[0013] The mask feeding mechanism includes a feeding screw, a feeding seat, a feeding motor, more than two feeding baffles, and a feeding guide rail; the feeding screw is rotatably installed on the frame, one end of the feeding screw is connected to the output shaft of the feeding motor, and the feeding motor is installed on the frame; the inner end of the feeding seat is screwed to the feeding screw through a screw nut, and a feeding guide rail is installed on the top surface of the feeding seat, the lower ends of more than two feeding baffles are slidably connected to the feeding guide rail, and a feeding cavity is formed between two adjacent feeding baffles, and the feeding motor drives the feeding seat to move up and down through the feeding screw.

[0014] The non-dry glue identification system includes a non-dry glue camera and a non-dry glue lens. The non-dry glue lens is fixedly installed on the top of the non-dry glue camera. The non-dry glue camera is installed on a frame. The non-dry glue camera equipped with the non-dry glue lens is located below the glue measuring mechanism; the mask direction identification system includes a direction camera and a lens. The direction camera and the lens are installed on a frame. The direction camera is located below the lens, and the lens is located below the mask covering mechanism.

[0015] The transmission system includes a conveyor frame, a conveyor motor, a conveyor pulley group, two conveyor chains, one or more limit blocks, and one or more limit cylinders; the conveyor frame is fixedly installed on the frame, the conveyor motor is installed on the conveyor frame, the output shaft of the conveyor motor is connected to the conveyor pulley group, the conveyor pulley group is connected to two conveyor chains installed on the conveyor frame, the two conveyor chains are arranged in parallel, and a product placement area is formed between the two conveyor chains. The cylinder body of the limit cylinder is fixed on the frame and is located between the two conveyor chains. The rod end of the piston rod of the limit cylinder is connected to the limit block to block the movement of the products placed on the two conveyor chains.

[0016] After adopting the above scheme, since the present invention includes a frame, a transmission system, a glue measuring mechanism, a non-dry glue identification system, a mask covering mechanism, a mask direction identification system, and a mask feeding mechanism, the transmission system sends the mask seat to the non-dry glue detection station, the non-dry glue identification system obtains the glue on the mask seat and performs detection to confirm whether the glue is dry or not, the mask covering mechanism clamps the mask cover from the mask feeding mechanism, and the mask direction identification system determines whether the mask covering direction is accurate, and then the mask covering mechanism covers the mask on the mask seat, and the entire detection and covering process is automatically completed, which has the advantages of high production efficiency, high authenticity rate, and stable production process.

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an axonometric view of the present invention;

[0019] Figure 2 It is an axonometric view of the present invention without the top frame;

[0020] Figure 3 It is an axonometric diagram of the glue measuring mechanism of the present invention;

[0021] Figure 4 It is an axonometric diagram of the detection needle fixing mechanism in the glue testing mechanism of the present invention;

[0022] Figure 5 It is an axonometric view of the face cover mechanism of the present invention;

[0023] Figure 6It is a top axonometric view of the suction mechanism in the face cover mechanism of the present invention;

[0024] Figure 7 It is a bottom-up axonometric view of the material suction mechanism in the face cover mechanism of the present invention;

[0025] Figure 8 is a top axonometric view of the transmission system of the present invention;

[0026] Fig. 9 It is an axonometric view from above of the transmission system of the present invention.

[0027] Fig.10 It is an axonometric diagram of the glue non-drying identification system and the mask direction identification system of the present invention. DETAILED DESCRIPTION

[0028] like Figure 1 , Figure 2 , Fig.10 As shown, the present invention is an automatic glue measuring and mask covering device, including a frame 1, a transmission system 2, a glue measuring mechanism 3, a glue not-drying identification system 4, a mask covering mechanism 5, a mask direction identification system 6, and a mask feeding mechanism 7.

[0029] The transmission system 2, glue measuring mechanism 3, wet glue identification system 4, mask covering mechanism 5, mask direction identification system 6, and mask feeding mechanism 7 are all installed on the frame 1, the glue measuring mechanism 3 and the mask covering mechanism 5 are installed on one side of the transmission system 2, the wet glue identification system 4 and the mask direction identification system 6 are installed between the transmission system 2 and the mask feeding mechanism 7, the first station of the glue measuring mechanism 3 is connected with the transmission system 2, and the detection needle 10 clamped by the glue measuring mechanism 3 obtains the glue that may not be dry on the mask seat 20, the second station of the glue measuring mechanism 3 is connected with the wet glue identification system 4, and it is judged whether there is glue on the surface of the detection needle 10 to judge whether the glue on the mask seat 20 is dry or not; the first station of the mask covering mechanism 5 is connected with the mask feeding mechanism 7 to take out the mask cover 30, the second station of the mask covering mechanism 5 is connected with the mask direction identification system 6, and the third station of the mask covering mechanism 5 is connected with the transmission system 2 to cover the mask 30 on the mask seat 20.

[0030] like Figure 3 , Figure 4As shown, the glue measuring mechanism 3 includes a glue measuring manipulator 31, a detection needle fixing mechanism 32, and a detection needle placing plate 33; the detection needle fixing mechanism 32 is fixedly installed at the free end of the glue measuring manipulator 31, and the detection needle placing plate 33 is installed on the frame 1; the first station of the glue measuring manipulator 31 is connected with the transmission system 2, and the detection needle 10 obtains the glue that may not be dry on the mask seat 20, the second station of the glue measuring manipulator 31 is connected with the glue not dry identification system 4, and the third station of the glue measuring manipulator 31 is connected with the detection needle placing plate 33 to replace the detection needle 10 stained with glue; the detection needle fixing mechanism 32 includes a fixing seat 321, a lifting Descending guide rail 322, cylinder slider 323, lifting cylinder 324, pneumatic clamp 325; the upper end of the fixed seat 321 is fixed to the free end of the glue testing robot 31, the lifting guide rail 322 is fixed on the fixed seat 321, the cylinder slider 323 is slidably connected to the lifting guide rail 322, the cylinder body of the lifting cylinder 324 is fixed on the cylinder slider 323, and the piston rod end of the lifting cylinder 324 is connected to the baffle 3211 on the fixed seat 321; the baffle 3211 is vertically fixed on the main body of the fixed seat 321, and the pneumatic clamp 325 is fixedly installed on the top surface of the cylinder body of the lifting cylinder 324, and the pneumatic clamp 325 is used to clamp the detection needle 10.

[0031] The pneumatic clamp 325 includes a clamp cylinder 3251 and three clamp arms 3252. The clamp cylinder 3251 is fixedly installed on the top surface of the cylinder body of the lifting cylinder 324. Three T-slots 32511 are provided at the lower part of the clamp cylinder 3251. The upper part of the clamp arm 3252 is a T-block 32521 and is slidably nested in the T-slot 32511 at the lower part of the clamp cylinder 3251. A clamping portion 32522 is provided at the lower part of the clamp arm 3252. The clamping portion 32522 is provided with a step surface to facilitate clamping the upper part of the detection needle 10. The clamp cylinder 3251 can drive the T-blocks 32521 of the three clamp arms 3252 to clamp the detection needle 10 inwardly along the T-slot 32511 or release the detection needle 10 outwardly.

[0032] Working process of glue measuring mechanism 3:

[0033] The lifting cylinder 324 installed on the fixed seat 321 can drive the cylinder slider 323 to move back and forth along the lifting guide rail 322, and the pneumatic clamping claw 325 installed on the lifting cylinder 324 can move back and forth with the lifting cylinder 324. The pneumatic clamping claw 325 can clamp the detection needle 10. When the mask seat 20 is sent to the detection position, the glue testing manipulator 31 moves the detection needle 10 above the detection position, and the lifting cylinder 324 drives the detection needle 10 to be inserted downward to the surface of the mask seat 20. The glue testing manipulator 31 moves the detection needle 10 to the glue-free The dry identification system 4 performs visual judgment to determine whether the surface of the detection needle 10 is clean. If the glue on the mask seat 20 is not dry, there will be glue on the surface of the detection needle 10. In this case, it is determined that the glue on this mask seat 20 is not dry, and this mask seat 20 is manually removed. The glue detection robot 31 takes the detection needle 10 to the detection needle placement tray 33, places the contaminated detection needle 10 on the detection needle placement tray 33, and clamps another detection needle 10 from the detection needle placement tray 33, and re-inspects the next mask seat 20.

[0034] like Figure 5-Figure 7 As shown, the mask cover mechanism 5 includes a mask manipulator 51 and a material suction mechanism 52; the material suction mechanism 52 is fixedly mounted on the free end of the mask manipulator 51. The material suction mechanism 52 includes a cover frame 521, a capping cylinder 522, and a suction cup 523; the cover frame 521 is fixedly mounted on the free end of the mask manipulator 51, the cylinder body of the capping cylinder 522 is fixed on the cover frame 521, and the piston rod end of the capping cylinder 522 is connected to the top surface of the suction cup 523.

[0035] In this embodiment, the suction mechanism 52 includes a cover frame 521, two capping cylinders 522, and two suction cups 523. The cover frame 521 is fixedly installed on the free end of the mask manipulator 51, the cylinder bodies of the two capping cylinders 522 are respectively fixed on the cover frame 521, and the piston rod ends of the two capping cylinders 522 are respectively connected to the top surfaces of the two suction cups 523. The cover frame 521 includes a connecting seat 5211, two mask blocking frames 5212, and three mask background plates 5213; the middle part of the connecting seat 5211 is fixedly installed on the free end of the mask manipulator 51, the two mask blocking frames 5212 are respectively fixedly installed on both sides of the connecting seat 5211, the cylinder bodies of the two capping cylinders 522 are respectively fixed on both sides of the connecting seat 5211, the piston rod ends of the two capping cylinders 522 are respectively connected to the top surfaces of the two suction cups 523, and the suction The plate 523 is gap-mounted in the mask frame 5212 and the lower end surface of the suction cup 523 can pass through the through hole 5214 on the bottom surface of the mask frame 5212; the three mask background plates 5213 are respectively installed on the two mask frames 5212 and the three mask background plates 5213 are respectively located on both sides of the two mask frames 5212, and the three mask background plates 5213 are made of transparent material to bring out the outline of the mask, so that the mask direction recognition system 6 can recognize it more accurately.

[0036] like Figure 8 , Fig. 9 As shown, the mask feeding mechanism 7 includes two feeding screws 71, a feeding seat 72, two feeding motors 73, more than two feeding baffles 74, and a feeding guide rail 75; the feeding screw 71 is rotatably mounted on the frame 1, and the lower ends of the two feeding screws 71 are respectively connected to the output shafts of the two feeding motors 73, and the feeding motors 73 are mounted on the frame 1; the inner end of the feeding seat 72 is screwed to the feeding screw 71 through a screw nut, and a feeding guide rail 75 is installed on the top surface of the feeding seat 72, and the lower ends of the more than two feeding baffles 74 are slidably connected to the output shafts of the two feeding motors 73. On the feeding guide rail 75, a feeding cavity is formed between two adjacent feeding baffles 74, and the feeding motor 73 drives the feeding seat 72 to move up and down through the feeding screw 71. When the suction mechanism 52 takes away a mask cover 30, the feeding motor 73 drives the feeding seat 72 to move upward a certain distance, so that the position of the next mask cover 30 is moved up to facilitate the suction mechanism 52 to take the material; the feeding baffle 74 can slide along the feeding guide rail 75 according to the size of the mask cover 30 to adjust the width between the two feeding baffles 74 to adapt to mask covers 30 of different sizes.

[0037] like Fig.10 As shown, the non-dry glue identification system 4 includes a non-dry glue camera 41 and a non-dry glue lens 42. The non-dry glue lens 42 is fixedly mounted on the top of the non-dry glue camera 41. The non-dry glue camera 41 is mounted on the frame 1. The non-dry glue camera 41 equipped with the non-dry glue lens 42 is located below the glue measuring mechanism 3.

[0038] like Fig.10 As shown, the mask direction recognition system 6 includes a direction camera 61 and a lens 62, which are mounted on the frame 1, the direction camera 61 is located below the lens 62, and the lens 62 is located below the mask cover mechanism 5.

[0039] like Figure 2 As shown, the transmission system 2 includes a conveyor frame 21, a conveyor motor 22, a conveyor pulley group 23, two conveyor chains 24, two limit blocks 25, and two limit cylinders 26; the conveyor frame 21 is fixedly installed on the frame 1, the conveyor motor 22 is installed on the conveyor frame 21, the output shaft of the conveyor motor 22 is connected to the conveyor pulley group 23, the conveyor pulley group 23 is connected to the two conveyor chains 24 installed on the conveyor frame 21, the two conveyor chains 24 are arranged in parallel, and a product placement area is formed between the two conveyor chains 24. The cylinder bodies of the two limit cylinders 26 are fixed on the frame 1 and are located between the two conveyor chains 24. The piston rod rod end of the limit cylinder 26 is connected to the limit block 25. When the limit block 25 is retracted, the two conveyor chains 24 The products on the two conveying chains 24 can be moved. When the piston rod end of the first limiting cylinder 26 drives the limiting stopper 25 to extend upward, it is used to block the movement of the mask seat 20 placed on the two conveying chains 24, so as to facilitate the glue measuring mechanism 3 to drive the detection needle 10 to detect whether the glue on the surface of the mask seat 20 is dry or not. When the glue is judged to be dry, the limiting stopper 25 is retracted, and the mask seat 20 on the two conveying chains 24 moves forward. When it moves to the next working position, the piston rod end of the second limiting cylinder 26 drives the limiting stopper 25 to extend upward, so as to block the movement of the mask seat 20 placed on the two conveying chains 24, so as to facilitate the mask covering mechanism 5 to fix the absorbed mask cover 30 on the mask seat 20, complete the assembly, and the limiting stopper 25 is retracted, and the products on the two conveying chains 24 continue to move forward.

[0040] like Figure 1 , Figure 2 As shown, the working process of the present invention is:

[0041] 1. The transmission system 2 transports the mask seat 20 to the work station;

[0042] 2. The glue measuring mechanism 3 detects any position of the mask seat 20 by setting the coordinate position of the mechanical arm;

[0043] 3. The detection needle 10 held by the glue measuring mechanism 3 obtains the glue on the mask seat 20, and the detection needle 10 moves to the glue not-drying identification system 4 for visual judgment;

[0044] 4. The mask cover mechanism 5 with correction and material picking takes the mask cover 30 to the mask direction recognition system 6 for visual direction detection to determine whether the direction of the mask cover 30 is correct. If it is not correct, a signal is sent to the robot arm for automatic adjustment to ensure that the mask cover of each product is correct. The mask cover mechanism 5 automatically covers the mask seat 20, and the product flows to the next process.

[0045] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the specification should still fall within the scope covered by the patent of the present invention.

Claims

1. An automatic glue testing and mask covering device, characterized in that: It includes a frame, a transmission system, a glue measuring mechanism, a glue not-drying identification system, a mask covering mechanism, a mask direction identification system, and a mask feeding mechanism; The transmission system, glue measuring mechanism, non-dry glue identification system, mask covering mechanism, mask direction identification system, and mask feeding mechanism are all installed on the frame, the glue measuring mechanism and mask covering mechanism are installed on one side of the transmission system, the non-dry glue identification system and mask direction identification system are installed between the transmission system and the mask feeding mechanism, the first station of the glue measuring mechanism is connected with the transmission system, the second station of the glue measuring mechanism is connected with the non-dry glue identification system to judge whether the glue is dry or not; the first station of the mask covering mechanism is connected with the mask feeding mechanism to take out the mask, the second station of the mask covering mechanism is connected with the mask direction identification system, and the third station of the mask covering mechanism is connected with the transmission system to cover the mask on the mask seat; The glue measuring mechanism comprises a glue measuring manipulator, a detection needle fixing mechanism, and a detection needle placing plate; the detection needle fixing mechanism is fixedly installed at the free end of the glue measuring manipulator, and the detection needle placing plate is installed on the frame; the first station of the glue measuring manipulator is connected with the transmission system, and the detection needle obtains the glue that may not be dry on the mask seat, the second station of the glue measuring manipulator is connected with the glue not dry identification system, and the third station of the glue measuring manipulator is connected with the detection needle placing plate to replace the detection needle stained with glue; The detection needle fixing mechanism includes a fixing seat, a lifting guide rail, a cylinder slider, a lifting cylinder, and a pneumatic clamp; the upper end of the fixing seat is fixed to the free end of the glue testing manipulator, the lifting guide rail is fixed to the fixing seat, the cylinder slider is slidably connected to the lifting guide rail, the cylinder body of the lifting cylinder is fixed to the cylinder slider, and the piston rod end of the lifting cylinder is connected to the baffle on the fixing seat; the baffle is vertically fixed to the fixing seat body, and the pneumatic clamp is fixedly installed on the top surface of the lifting cylinder body, and the pneumatic clamp is used to clamp the detection needle; The non-dry glue identification system includes a non-dry glue camera and a non-dry glue lens. The non-dry glue lens is fixedly installed on the top of the non-dry glue camera. The non-dry glue camera is installed on a frame. The non-dry glue camera equipped with the non-dry glue lens is located below the glue measuring mechanism; the mask direction identification system includes a direction camera and a lens. The direction camera and the lens are installed on a frame. The direction camera is located below the lens, and the lens is located below the mask covering mechanism.

2. The automatic glue testing and mask covering device according to claim 1 is characterized in that: The pneumatic clamp includes a clamping cylinder and more than two clamping arms. The clamping cylinder is fixedly installed on the top surface of the lifting cylinder body. The lower part of the clamping cylinder is provided with more than two T-slots. The upper part of the clamping arm is a T-block and is slidably nested in the T-slot at the lower part of the clamping cylinder. The lower part of the clamping arm is provided with a clamping portion, and the clamping portion is provided with a step surface.

3. The automatic glue testing and mask covering device according to claim 1 is characterized in that: The mask covering mechanism includes a mask manipulator and a material suction mechanism; the material suction mechanism is fixedly installed on the free end of the mask manipulator; the material suction mechanism includes a cover plate frame, a cover pressing cylinder, and a suction cup, the cover plate frame is fixedly installed on the free end of the mask manipulator, the cylinder body of the cover pressing cylinder is fixed on the cover plate frame, and the piston rod end of the cover pressing cylinder is connected to the top surface of the suction cup.

4. The automatic glue testing and mask covering device according to claim 3 is characterized in that: The material suction mechanism includes a cover frame, two cover pressing cylinders, and two suction cups. The cover frame is fixedly installed on the free end of the mask manipulator, the cylinder bodies of the two cover pressing cylinders are respectively fixed on the cover frame, and the piston rod ends of the two cover pressing cylinders are respectively connected to the top surfaces of the two suction cups.

5. The automatic glue detection and mask covering device according to claim 3 or 4, characterized in that: The cover plate frame includes a connecting seat, two mask blocking frames, and three mask background plates; the middle part of the connecting seat is fixedly installed on the free end of the mask manipulator, the two mask blocking frames are respectively fixedly installed on both sides of the connecting seat, the cylinder bodies of the two pressing cylinders are respectively fixed on both sides of the connecting seat, the piston rod ends of the two pressing cylinders are respectively connected to the top surfaces of the two suction cups, the suction cup gap is sleeved in the mask blocking frame and the lower end surface of the suction cup can pass through the through hole on the bottom surface of the mask blocking frame; the three mask background plates are respectively installed on the two mask blocking frames and the three mask background plates are respectively located on both sides of the two mask blocking frames.

6. The automatic glue testing and mask covering device according to claim 1 is characterized in that: The mask feeding mechanism includes a feeding screw, a feeding seat, a feeding motor, more than two feeding baffles, and a feeding guide rail; the feeding screw is rotatably installed on the frame, one end of the feeding screw is connected to the output shaft of the feeding motor, and the feeding motor is installed on the frame; the inner end of the feeding seat is screwed to the feeding screw through a screw nut, and a feeding guide rail is installed on the top surface of the feeding seat, the lower ends of more than two feeding baffles are slidably connected to the feeding guide rail, and a feeding cavity is formed between two adjacent feeding baffles, and the feeding motor drives the feeding seat to move up and down through the feeding screw.

7. The automatic glue testing and mask covering device according to claim 1 is characterized in that: The transmission system includes a conveyor frame, a conveyor motor, a conveyor pulley group, two conveyor chains, one or more limit blocks, and one or more limit cylinders; the conveyor frame is fixedly installed on the frame, the conveyor motor is installed on the conveyor frame, the output shaft of the conveyor motor is connected to the conveyor pulley group, the conveyor pulley group is connected to two conveyor chains installed on the conveyor frame, the two conveyor chains are arranged in parallel, and a product placement area is formed between the two conveyor chains. The cylinder body of the limit cylinder is fixed on the frame and is located between the two conveyor chains. The rod end of the piston rod of the limit cylinder is connected to the limit block to block the movement of the products placed on the two conveyor chains.

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