Automatic production line for optical detection of automobile front windshield

Abstract

The invention discloses an automatic production line for optical detection of an automobile front windshield, and the automatic production line comprises a feeding conveying mechanism which can convey glass; the centering and positioning mechanism is arranged on the sheet feeding and conveying mechanism and can adjust the glass to be centered; the detecting and conveying mechanism can detect and convey the glass; the upper sheet turnover mechanism is arranged at the tail end of the upper sheet conveying mechanism, and the upper sheet turnover mechanism can transfer the glass of the upper sheet conveying mechanism to the detection conveying mechanism; the lower sheet conveying mechanism is arranged at the tail end of the detection conveying mechanism; and the sheet taking manipulator can transfer the glass from the detection conveying mechanism to the sheet unloading conveying mechanism, and can continuously convey the glass, sequentially convey the glass and detect the glass through an optical detector, so that the working efficiency is high.

Description

Technical Field

[0001] The invention belongs to the technical field of glass processing, and in particular relates to an automatic production line for optical inspection of automobile windshields. Background Art

[0002] In the process of implementing the present invention, the inventors found that the prior art has at least the following problems:

[0003] In the production process of automobile windshields, after the inner and outer glass pieces have completed processes such as gluing, trimming, and cleaning, before entering the final packaging process, the glass needs to be optically inspected to intercept unqualified products and prevent them from entering the terminal. During the inspection process, the glass needs to be sent to the optical inspection machine for inspection. In the transmission technology, the glass is manually fed in one by one, which has low work efficiency and high labor intensity.

[0004] CN115077755B-Cold-end stress detection system and glass stress detection method for glass production line discloses a cold-end stress detection system and glass stress detection method for glass production line. The system is used for online collection of stress data of glass ribbon, and comprises a controller, a transmission mechanism and a stress detection unit which are communicatively connected with the controller. The stress detection unit is provided with a detection optical path and a reference optical path. The detection optical path is used for measuring the detection optical signal passing through the glass ribbon. The light source and the photoelectric tube of the detection optical path are arranged on both sides of the glass ribbon. The reference optical path is used for measuring the reference verification optical signal. The above-mentioned technical problems cannot be solved either. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide an automatic production line for optical inspection of automobile windshields, which can continuously and uninterruptedly convey glass, convey the glass in sequence, and inspect it through an optical inspection machine, with high working efficiency.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: an automatic production line for optical inspection of automobile windshields, having:

[0007] The upper sheet conveying mechanism is capable of conveying glass;

[0008] A centering positioning mechanism is arranged on the upper sheet conveying mechanism, and the centering positioning mechanism can adjust the center of the glass;

[0009] Detection and conveying mechanism, capable of detecting and conveying glass;

[0010] An upper sheet flipping mechanism is arranged at the end of the upper sheet conveying mechanism, and the upper sheet flipping mechanism can transfer the glass of the upper sheet conveying mechanism to the detection conveying mechanism;

[0011] A lower sheet conveying mechanism, arranged at the end of the detection conveying mechanism;

[0012] The glass picking robot can transfer the glass from the inspection conveying mechanism to the next glass conveying mechanism.

[0013] The upper sheet conveying mechanism and the lower sheet conveying mechanism have a conveying frame, on which a conveying belt and a conveying driving motor for driving the conveying belt are arranged.

[0014] The centering positioning mechanism has:

[0015] Positioning rack;

[0016] A positioning conveyor belt, installed on the positioning frame, and the positioning conveyor belt can convey glass;

[0017] A lifting mechanism is arranged on the positioning frame, and the lifting mechanism can lift the glass and make the glass separate from the positioning conveyor belt;

[0018] A front and rear positioning mechanism is arranged on the positioning frame, and the front and rear positioning mechanism can position the front and rear ends of the glass;

[0019] The left and right positioning mechanisms are arranged on the positioning frame, and the left and right positioning mechanisms can position the left and right ends of the glass.

[0020] The upper sheet turning mechanism comprises:

[0021] Flip the base over;

[0022] A flip arm, rotatably mounted on the flip base;

[0023] A flip motor is installed on the flip base, and the flip motor can drive the flip arm to flip;

[0024] Suction cups: a series of suction cups are arranged on the flip arm, and the suction cups can absorb the glass.

[0025] The detection and conveying mechanism comprises:

[0026] Support base;

[0027] A support frame, the bottom of which is mounted on the support base;

[0028] A lower conveyor belt, mounted on the lower end of the support frame;

[0029] A lower bracket, fixedly mounted on the lower conveyor belt, the lower bracket being capable of supporting glass;

[0030] An upper conveyor belt, mounted on the upper end of the support frame;

[0031] An upper glass baffle bar is fixedly mounted on the upper conveyor belt, and the upper glass baffle bar can support the glass;

[0032] The optical inspection machine is arranged on one side of the support frame.

[0033] The lifting mechanism comprises a positioning lifting cylinder and a supporting rubber roller, wherein the positioning lifting cylinder is mounted on a positioning frame, the supporting rubber roller is connected to the piston rod of the positioning lifting cylinder, and the supporting rubber roller can support the glass; the front and rear positioning mechanism comprises: a front and rear positioning shaft, which is rotatably mounted on the positioning frame; a front and rear positioning rod, which is fixedly mounted on the front and rear positioning shaft; a positioning cylinder, whose piston rod is connected to the front and rear positioning shaft and can drive the front and rear positioning shaft to rotate; it also comprises a front and rear linear module, wherein the front and rear linear module is mounted on the positioning frame, and the positioning cylinder and the front and rear positioning shaft at the rear end of the front and rear positioning mechanism are mounted on the slider of the front and rear linear module; the left and right positioning mechanism comprises a left and right linear module, each of which is provided with a left and right slide seat on both sides of the left and right linear module, and the left and right linear module can drive the left and right slide seats to slide; the left and right slide seats are provided with left and right positioning rods for positioning the glass; a supporting rubber roller is provided on each side of the positioning frame.

[0034] The lower conveyor belt is adjustably mounted on the support frame through an adjusting mechanism; the adjusting mechanism includes an upper lifting screw rod, and the upper lifting screw rod is rotatably mounted on the support frame; a nut matching the upper lifting screw rod is provided on the mounting frame of the upper conveyor belt; a guiding mechanism is also provided, and the guiding mechanism includes a guide shaft, and the guide shaft is fixedly mounted on the support frame, and a sleeve matching the guide shaft is provided on the mounting frame of the upper conveyor belt; the bottom of the support frame is hinged on the supporting base, and a support rod is provided to support the support frame; adjusting nuts are also provided at both ends of the support rod.

[0035] The turning arm is installed on the turning base in a liftable manner through a slide, and a lifting screw rod is also provided for driving the slide to move up and down.

[0036] A glass turnover rack is also provided, and the film-taking robot can deliver the glass from the lower film conveying mechanism into the glass turnover rack.

[0037] One of the above technical solutions has the following advantages or beneficial effects: it can continuously and uninterruptedly convey the glass, convey the glass in sequence, and detect it through an optical detection machine, with high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the structure of an automatic production line for optical inspection of automobile windshields provided in an embodiment of the present invention;

[0039] Figure 2 for Figure 1 A schematic diagram of the structure of an automatic production line for optical inspection of automobile windshields;

[0040] Figure 3 for Figure 1A schematic diagram of the structure of an automatic production line for optical inspection of automobile windshields;

[0041] Figure 4 for Figure 1 A schematic diagram of the structure of an automatic production line for optical inspection of automobile windshields;

[0042] Figure 5 for Figure 1 A schematic diagram of the structure of an automatic production line for optical inspection of automobile windshields;

[0043] Figure 6 for Figure 1 A schematic diagram of the structure of an automatic production line for optical inspection of automobile windshields;

[0044] Figure 7 for Figure 1 A schematic diagram of the structure of an automatic production line for optical inspection of automobile windshields;

[0045] The marks in the above figure are:

[0046] 1. sheet loading conveying mechanism, 11. conveying frame, 12. conveying belt, 13. conveying driving motor;

[0047] 2. Centering positioning mechanism, 21. Positioning frame, 22. Positioning conveyor belt, 23. Positioning cylinder, 24. Front and rear positioning shafts, 25. Front and rear positioning rods, 26. Front and rear linear modules, 27. Positioning lifting cylinder, 28. Supporting rubber roller, 29. Left and right linear modules, 210. Left and right slide seats, 211. Left and right positioning rods;

[0048] 3. upper sheet turning mechanism, 31. turning base, 32. lifting screw rod, 33. turning motor, 34. turning arm, 35. suction cup;

[0049] 4. Film-taking robot,

[0050] 5. Detection conveying mechanism, 51. Support base, 52. Support frame, 53. Support rod, 54. Lower conveyor belt, 541. Lower bracket, 55. Upper conveyor belt, 56. Upper lifting screw rod, 57. Guide shaft, 58. Glass upper stop rod;

[0051] 6. Lower film conveying mechanism,

[0052] 7. Glass turnover rack, 8. Glass. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] See also Figures 1 to 7 , an automatic production line for optical inspection of automobile windshields, comprising: an upper sheet conveying mechanism 1, capable of conveying glass; a centering positioning mechanism 2, arranged on the upper sheet conveying mechanism, the centering positioning mechanism can adjust the center of the glass; a detection conveying mechanism 5, capable of detecting and conveying glass; an upper sheet flipping mechanism 3, arranged at the end of the upper sheet conveying mechanism, the upper sheet flipping mechanism can transfer the glass of the upper sheet conveying mechanism to the detection conveying mechanism; a lower sheet conveying mechanism 6, arranged at the end of the detection conveying mechanism; a sheet taking robot 4, capable of transferring the glass from the detection conveying mechanism to the lower sheet conveying mechanism. It can continuously and uninterruptedly convey glass, convey glass in sequence, and detect it through an optical inspection machine, with high work efficiency.

[0055] The upper sheet conveying mechanism and the lower sheet conveying mechanism are provided with a conveying frame, on which a conveying belt and a conveying driving motor for driving the conveying belt are arranged.

[0056] The centering positioning mechanism has: a positioning frame 21; it is the installation base of the device. A positioning conveyor belt 22 is installed on the positioning frame 21, and the positioning conveyor belt 22 can convey glass; the positioning conveyor belt 22 plays a conveying role. A lifting mechanism is arranged on the positioning frame 21, and the lifting mechanism can lift the glass and make the glass separate from the positioning conveyor belt 22; when positioning is required, the lifting mechanism lifts the glass from the positioning conveyor belt 22, separates from the positioning conveyor belt 22, and stops conveying. The front and rear positioning mechanisms are arranged on the positioning frame 21, and the front and rear positioning mechanisms can position the front and rear ends of the glass; the left and right positioning mechanisms are arranged on the positioning frame 21, and the left and right positioning mechanisms can position the left and right ends of the glass. The glass is positioned in the front and rear directions and the left and right directions by the front and rear positioning mechanisms and the left and right positioning mechanisms. During the glass conveying process, the glass can be centered and aligned, which is convenient for the subsequent detection process and has high work efficiency.

[0057] The lifting mechanism includes a positioning lifting cylinder 27 and a supporting rubber roller 28. The positioning lifting cylinder 27 is installed on the positioning frame 21. The supporting rubber roller 28 is connected to the piston rod of the positioning lifting cylinder 27. The supporting rubber roller 28 can support the glass. The positioning lifting cylinder 27 pushes the supporting rubber roller 28 to lift the glass and separate the glass from the positioning conveyor belt 22, so that the glass is suspended from being conveyed.

[0058] The front and rear positioning mechanism comprises: a front and rear positioning shaft 24, which is rotatably mounted on the positioning frame 21; a front and rear positioning rod 25, which is fixedly mounted on the front and rear positioning shaft 24; and a positioning cylinder 23, whose piston rod is connected to the front and rear positioning shaft 24 and can drive the front and rear positioning shaft 24 to rotate. The front and rear positioning shaft 24 is driven to rotate by the positioning cylinder 23, thereby driving the front and rear positioning shaft 24 to swing, and the front and rear positioning shaft 24 can be laid flat or lifted up. In the lifted state, it plays a role in limiting the front and rear directions of the glass.

[0059] It also has a front and rear linear module 26, which is mounted on the positioning frame 21, and the positioning cylinder 23 and the front and rear positioning shaft 24 at the rear end of the front and rear positioning mechanism are mounted on the slider of the front and rear linear module 26. There are two sets of front and rear positioning mechanisms, the front end is fixedly installed, and the rear end is movable and installed on the slider of the front and rear linear module 26. The front and rear linear module 26 drives the rear end of the front and rear positioning mechanism to move, thereby pushing and positioning the glass.

[0060] The left and right positioning mechanism includes a left and right linear module 29, and a left and right slide 210 is provided on each side of the left and right linear module 29. The left and right linear module 29 can drive the left and right slide 210 to slide; the left and right slide 210 is provided with a left and right positioning rod 211 for positioning the glass. The left and right linear module 29 drives the left and right slide 210 to slide, and the left and right positioning rod 211 on the left and right slide 210 pushes and positions the glass.

[0061] A supporting rubber roller 28 is provided on each side of the positioning frame 21, and the double-sided support is more stable and reliable.

[0062] During the glass conveying process, the glass can be centered to facilitate subsequent inspection processes and increase work efficiency.

[0063] The upper sheet flipping mechanism has: a flipping base; a flipping arm, which is rotatably mounted on the flipping base; a flipping motor, which is mounted on the flipping base and can drive the flipping arm to flip; a suction cup, on which a series of suction cups are provided, which can absorb the glass. The suction cup absorbs the glass parked on the glass conveyor, and the lifting servo motor and the flipping servo motor work simultaneously, lifting the glass and flipping it 90 degrees to place it on the optical inspection conveyor line.

[0064] The inspection and conveying mechanism comprises: a supporting base 51; a supporting frame 52, the bottom of which is mounted on the supporting base 51; a lower conveyor belt 54, mounted on the lower end of the supporting frame 52; a lower bracket 541, fixedly mounted on the lower conveyor belt 54, and capable of supporting glass; an upper conveyor belt 55, mounted on the upper end of the supporting frame 52; a glass upper baffle 58, fixedly mounted on the upper conveyor belt 55, and capable of supporting glass; and an optical inspection machine, arranged on one side of the supporting frame 52. The lower conveyor belt 54 and the upper conveyor belt 55 cooperate to continuously convey the glass, and the glass can be continuously and uninterruptedly conveyed, and the glass is conveyed in sequence and inspected by the optical inspection machine, with high working efficiency.

[0065] The upper conveyor belt 55 is adjustably mounted on the support frame 52 through an adjusting mechanism, and the position of the upper conveyor belt 55 in the height direction can be adjusted to meet the use requirements of different types of glass.

[0066] The adjusting mechanism includes an upper lifting screw rod 56, which is rotatably mounted on the support frame 52; a nut adapted to the upper lifting screw rod 56 is provided on the mounting frame of the upper conveyor belt 55, and the upper conveyor belt 55 is driven to rise and fall by the rotation of the upper lifting screw rod 56, so that the position of the upper conveyor belt 55 in the height direction can be adjusted to meet the use requirements of different types of glass.

[0067] A guide mechanism is also provided, which includes a guide shaft 57, which is fixedly mounted on the support frame 52. A sleeve adapted to the guide shaft 57 is provided on the mounting frame of the upper conveyor belt 55, which plays a guiding role during the lifting process, making the lifting more stable and reliable.

[0068] The bottom of the support frame 52 is hinged on the support base 51 , and a support rod 53 is provided to support the support frame 52 . Adjustment nuts are also provided at both ends of the support rod 53 .

[0069] Working process: 1. The glass is flipped to the lower conveyor synchronous belt bracket through the glass flipping machine, and the top of the glass leans on the upper baffle fixed on the circular guide conveyor belt. 2. At this time, the drive motor of the circular guide conveyor belt and the drive motor seat of the lower conveyor synchronous belt are synchronously controlled to smoothly convey the glass to the optical detector for optical inspection. 3. When the inspection angle needs to be adjusted, the pull rod on the fixed support frame can be manually adjusted. The pull rod has positive and negative threads at both ends, and the pull rod can be rotated to adjust the angle of the entire inspection and conveying. 4. When the height of the glass changes, the lifting motor can be started, and the bevel gears fixed at both ends of the drive shaft can be used to drive the screw to rotate, so that the entire circular guide conveyor belt can be lifted and lowered to adapt to glass of different sizes.

[0070] It can continuously and uninterruptedly convey glass, convey glass in sequence, and pass the optical inspection machine for inspection, with high working efficiency. The flip arm is installed on the flip base in a liftable manner through a slide, and a lifting screw is also provided to drive the slide to lift.

[0071] It also has a glass turnover rack, and a film-taking robot can deliver the glass from the lower film conveying mechanism into the glass turnover rack.

[0072] In the production process of automobile windshields, after the inner and outer pieces of glass have completed processes such as gluing, trimming, and cleaning, before entering the final packaging process, the glass needs to be optically inspected to intercept unqualified products and prevent them from reaching end customers.

[0073] Working process:

[0074] 1. After the trimmed glass is cleaned by the glass washing machine, it enters the glass centering machine through the glass conveyor line, and is driven by the servo motor belt of the glass positioning conveyor to place the glass in the center of the equipment and flow into the glass flipping station;

[0075] 2. At the glass turning station, the incoming glass is sucked and turned 90° by the vacuum suction cup on the glass turning machine, and the glass is placed on the optical inspection conveyor at the same time;

[0076] 3. The optical inspection conveyor is equipped with two pairs of synchronous belt transmission devices, which can smoothly convey the glass through the optical detector for inspection and transfer it to the unloading position;

[0077] 4. A glass unloading machine is set at the unloading position. Through program control, the glass that has passed the optical inspection is grabbed and placed on the glass conveyor. The glass conveyor conveys the qualified glass to the manual packaging position for packaging;

[0078] 5. For the unqualified glass, the robot will stack it on the glass turnover rack, and finally the unqualified glass will be repaired manually.

[0079] After adopting the above structure, the glass can be transported continuously and uninterruptedly, and the glass can be transported in sequence and inspected by an optical inspection machine, which has high work efficiency.

[0080] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships 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 should not be understood as a limitation on the present invention.

[0081] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0082] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic production line for optical inspection of automobile windshields, characterized in that: have: The upper sheet conveying mechanism is capable of conveying glass; A centering positioning mechanism is arranged on the upper sheet conveying mechanism, and the centering positioning mechanism can adjust the center of the glass; Detection and conveying mechanism, capable of detecting and conveying glass; An upper sheet flipping mechanism is arranged at the end of the upper sheet conveying mechanism, and the upper sheet flipping mechanism can transfer the glass of the upper sheet conveying mechanism to the detection conveying mechanism; A lower sheet conveying mechanism, arranged at the end of the detection conveying mechanism; The glass picking robot can transfer the glass from the inspection conveying mechanism to the next glass conveying mechanism.

2. The automatic production line for optical inspection of automobile windshields as claimed in claim 1, characterized in that: The upper sheet conveying mechanism and the lower sheet conveying mechanism have a conveying frame, on which a conveying belt and a conveying driving motor for driving the conveying belt are arranged.

3. The automatic production line for optical inspection of automobile windshields as claimed in claim 2, characterized in that: The centering positioning mechanism has: Positioning rack; A positioning conveyor belt, installed on the positioning frame, and the positioning conveyor belt can convey glass; A lifting mechanism is arranged on the positioning frame, and the lifting mechanism can lift the glass and make the glass separate from the positioning conveyor belt; A front and rear positioning mechanism is arranged on the positioning frame, and the front and rear positioning mechanism can position the front and rear ends of the glass; The left and right positioning mechanisms are arranged on the positioning frame, and the left and right positioning mechanisms can position the left and right ends of the glass.

4. The automatic production line for optical inspection of automobile windshields as claimed in claim 3, characterized in that: The upper sheet turning mechanism comprises: Flip the base over; A flip arm, rotatably mounted on the flip base; A flip motor is installed on the flip base, and the flip motor can drive the flip arm to flip; Suction cups: a series of suction cups are arranged on the flip arm, and the suction cups can absorb the glass.

5. The automatic production line for optical inspection of automobile windshields as claimed in claim 4, characterized in that: The detection and conveying mechanism comprises: Support base; A support frame, the bottom of which is mounted on the support base; A lower conveyor belt, mounted on the lower end of the support frame; A lower bracket, fixedly mounted on the lower conveyor belt, the lower bracket being capable of supporting glass; An upper conveyor belt, mounted on the upper end of the support frame; An upper glass baffle bar is fixedly mounted on the upper conveyor belt, and the upper glass baffle bar can support the glass; The optical inspection machine is arranged on one side of the support frame.

6. The automatic production line for optical inspection of automobile windshields as claimed in claim 5, characterized in that: The lifting mechanism comprises a positioning lifting cylinder and a supporting rubber roller, wherein the positioning lifting cylinder is mounted on a positioning frame, the supporting rubber roller is connected to the piston rod of the positioning lifting cylinder, and the supporting rubber roller can support the glass; the front and rear positioning mechanism comprises: a front and rear positioning shaft, which is rotatably mounted on the positioning frame; a front and rear positioning rod, which is fixedly mounted on the front and rear positioning shaft; a positioning cylinder, whose piston rod is connected to the front and rear positioning shaft and can drive the front and rear positioning shaft to rotate; it also comprises a front and rear linear module, wherein the front and rear linear module is mounted on the positioning frame, and the positioning cylinder and the front and rear positioning shaft at the rear end of the front and rear positioning mechanism are mounted on the slider of the front and rear linear module; the left and right positioning mechanism comprises a left and right linear module, each of which is provided with a left and right slide seat on both sides of the left and right linear module, and the left and right linear module can drive the left and right slide seats to slide; the left and right slide seats are provided with left and right positioning rods for positioning the glass; a supporting rubber roller is provided on each side of the positioning frame.

7. The automatic production line for optical inspection of automobile windshields as claimed in claim 6, characterized in that: The lower conveyor belt is adjustably mounted on the support frame through an adjusting mechanism; the adjusting mechanism includes an upper lifting screw rod, and the upper lifting screw rod is rotatably mounted on the support frame; a nut matching the upper lifting screw rod is provided on the mounting frame of the upper conveyor belt; a guiding mechanism is also provided, and the guiding mechanism includes a guide shaft, and the guide shaft is fixedly mounted on the support frame, and a sleeve matching the guide shaft is provided on the mounting frame of the upper conveyor belt; the bottom of the support frame is hinged on the supporting base, and a support rod is provided to support the support frame; adjusting nuts are also provided at both ends of the support rod.

8. The automatic production line for optical inspection of automobile windshields as claimed in claim 7, characterized in that: The turning arm is installed on the turning base in a liftable manner through a slide, and a lifting screw rod is also provided for driving the slide to move up and down.

9. The automatic production line for optical inspection of automobile windshields as claimed in claim 8, characterized in that: A glass turnover rack is also provided, and the film-taking robot can deliver the glass from the lower film conveying mechanism into the glass turnover rack.

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