Full-automatic feeding and discharging tray arranging machine for VR glasses mainboard

Abstract

The utility model discloses a full-automatic feeding and discharging wobble plate machine for VR glasses mainboards, which comprises two feeding transmission devices, the two feeding transmission devices are arranged in parallel at an interval, and one side of one feeding transmission device is also provided with a backflow transmission device; a tray feeding and discharging device is further arranged between the two feeding conveying devices; the feeding and transferring device is arranged above one end of the charging tray feeding and discharging device; the discharging and transferring device is arranged above the other end of the charging tray feeding and discharging device; a product overturning device is installed on one side of the feeding conveying device, and a product pressing device is further arranged above the feeding conveying device. According to the automatic feeding device, automatic feeding of the VR glasses main board, automatic discharging of the VR glasses main board subjected to foam attaching and other procedures can be achieved, the automation degree is high, and the working efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of VR glasses assembly, in particular to a fully automatic loading and unloading plate placing machine for VR glasses mainboards. Background Art

[0002] During the assembly and production process of VR glasses, 25 types of foam labels need to be attached to the front and back of the VR glasses' motherboard. At present, due to the relatively niche production line of VR glasses, there is no equipment in the industry for attaching foam to the VR glasses motherboard. Therefore, most of them adopt manual attachment method, that is, manually move the VR glasses motherboard to the work position, and then manually pick up the foam and attach it to the corresponding position of the motherboard. This method is time-consuming and labor-intensive, has low work efficiency, wastes a lot of human resources, and has high costs. Therefore, it needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to provide a fully automatic loading and unloading plate-setting machine for VR glasses motherboards. The plate-setting machine is provided with a loading transmission device, a loading transfer device, a reflux transmission device and a unloading transfer device. Through the mutual cooperation of the above devices, the automatic loading of VR glasses motherboards and the automatic unloading of VR glasses motherboards after foam attachment can be realized. The automation degree is high and the work efficiency is high. At the same time, a product clamping device is also provided, which can clamp and limit the VR glasses motherboard on the loading transmission device to ensure the stability of its transmission.

[0004] In order to achieve the above purpose, the following technical solutions are adopted:

[0005] A fully automatic loading and unloading machine for VR glasses motherboard, comprising:

[0006] Two feeding conveying devices, the two feeding conveying devices are arranged in parallel and at intervals, and a reflux conveying device is also arranged on one side of one of the feeding conveying devices; a material tray loading and unloading device is also arranged between the two feeding conveying devices;

[0007] A loading and transferring device, which is arranged above one end of the tray loading and unloading device;

[0008] A material unloading and transferring device, wherein the material unloading and transferring device is arranged above the other end of the material tray unloading and transferring device;

[0009] A product turning device is installed on one side of the feeding and conveying device, and a product pressing device is also arranged above the feeding and conveying device.

[0010] Furthermore, the tray loading and unloading device includes a tray transmission mechanism, a first mounting frame, a tray loading mechanism installed at one end of the top of the first mounting frame, and a tray unloading mechanism installed at the other end of the top of the first mounting frame; the tray loading mechanism and the tray unloading mechanism both include a first fixed frame, a tray translation mechanism arranged in the first fixed frame, and a tray lifting mechanism installed on the first fixed frame; the tray transmission mechanism is installed on the top of the two first fixed frames; a first tray dividing mechanism is arranged on both sides of one end of the tray transmission mechanism, and a second tray dividing mechanism is arranged on both sides of the other end of the tray transmission mechanism.

[0011] Furthermore, the tray translation mechanism includes a first translation cylinder and a first translation plate connected to the first translation cylinder; the two ends of the top of the first translation plate are respectively connected to a fixed vertical plate, and the opposite sides of the two fixed vertical plates are respectively slidably connected to a sliding horizontal plate; the tops of the two sliding horizontal plates are also connected to a first supporting plate, and a first limiting vertical plate is respectively arranged at the two ends of the top of the first supporting plate.

[0012] Furthermore, the tray lifting mechanism includes two first lifting screw rods, two first lifting brackets, a first lifting motor, and a synchronous belt assembly; the two first lifting screw rods are respectively arranged on one side of the first fixed frame in the vertical direction, the two first lifting brackets are both located between the two first limit vertical plates, and the two first lifting brackets are respectively connected to a first lifting screw rod; the first lifting motor is installed on the first mounting frame, and the first lifting motor is connected to the two first lifting screw rods via a synchronous belt assembly; the first tray dividing mechanism and the second tray dividing mechanism both include a second translation cylinder, a first lifting cylinder connected to the second translation cylinder, and a first lifting seat connected to the first lifting cylinder; a tray dividing plate is connected to each of the two ends of the top of the first lifting seat.

[0013] Furthermore, the loading and unloading transfer device and the unloading transfer device both include a first X-axis translation mechanism, a first Y-axis translation mechanism, and a second translation plate connected to the first Y-axis translation mechanism; a first visual mechanism and a first transfer mechanism are also installed on one side of the second translation plate.

[0014] Furthermore, the first transferring mechanism includes a first Z-axis lifting mechanism, a second lifting seat connected to the first Z-axis lifting mechanism, a first rotating mechanism installed on the second lifting seat, a first rotating bracket connected to the first rotating mechanism, and a first transferring module installed on the first rotating bracket; the first transferring module includes a first fixed block connected to one side of the first rotating bracket, a first lifting block slidably arranged on one side of the first rotating bracket and located below the first fixed block, and a first suction cup assembly installed at the bottom of the first lifting block; a pressure sensor is installed on the top of the first lifting block, and a first guide rod is also movably installed on the first fixed block, and one end of the first guide rod is in contact with the top of the pressure sensor; the outer wall of the first guide rod is also sleeved with a first buffer spring, and the two ends of the first buffer spring are respectively abutted against the top of the pressure sensor and the bottom of the first fixed block.

[0015] Furthermore, the product pressing device includes a lower pressing block assembly, a second lifting cylinder, a first rotating cylinder connected to the second lifting cylinder, a first clamping cylinder connected to the first rotating cylinder, and two first clamping rods connected to the first clamping cylinder.

[0016] Furthermore, the lower pressure block assembly includes a pressure block and a first guide shaft; a first limiting groove is opened on the top of the pressure block, and a guide sleeve is arranged in the first limiting groove; the first guide shaft is movably inserted in the guide sleeve, and a first limiting step is also provided on the top of the first guide shaft; a second buffer spring is also sleeved on the outer wall of the first guide shaft, and the two ends of the second buffer spring are respectively abutted against the bottom of the limiting step and the top of the guide sleeve; the two ends of the pressure block are also connected to a first pressure rod, and a first buffer pad is also provided at the bottom of the first pressure rod.

[0017] Furthermore, the product turning device includes a first stand, a first lifting mechanism installed on the first stand, a second rotating mechanism connected to the first lifting mechanism, and a second suction cup module connected to the second rotating mechanism.

[0018] By adopting the above scheme, the beneficial effects of the utility model are:

[0019] The plate placing machine is equipped with a loading transmission device, a loading transfer device, a reflux transmission device and a unloading transfer device. Through the mutual cooperation of the above devices, the automatic loading of VR glasses motherboards and the automatic unloading of VR glasses motherboards after foam attachment can be realized. It has a high degree of automation and high work efficiency. At the same time, it is also provided with a product clamping device, which can clamp and limit the VR glasses motherboard on the loading transmission device to ensure the stability of its transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the loading and transferring device of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the first transfer mechanism of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the tray loading and unloading device of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the material tray feeding mechanism of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the product pressing device of the utility model;

[0026] Figure 7 It is a structural schematic diagram of the product turning device of the utility model;

[0027] The accompanying drawings illustrate:

[0028] 1. Loading and conveying device; 2. Reflux transmission device; 3. Material tray loading and unloading device; 4. Loading and transferring device; 5. Unloading and transferring device; 6. Product turning device; 7. Product pressing device; 31. Material tray transmission mechanism; 32. First mounting frame; 33. Material tray loading mechanism; 34. Material tray unloading mechanism; 41. First X-axis translation mechanism; 42. First Y-axis translation mechanism; 43. Second translation plate; 44. First visual mechanism; 45. First transfer mechanism; 61. First stand; 62. First lifting mechanism; 63. Second rotating mechanism; 64. Second suction cup module; 71. Lower pressing block assembly; 72. Second lifting cylinder; 73. First rotating cylinder; 74. First clamping cylinder; 75. First Clamping rod; 331, first fixed frame; 332, tray translation mechanism; 333, tray lifting mechanism; 334, first tray dividing mechanism; 451, first Z-axis lifting mechanism; 452, second lifting seat; 453, first rotating mechanism; 454, first rotating bracket; 455, first fixed block; 456, first lifting block; 457, first suction cup assembly; 458, pressure sensor; 711, clamping block; 712, first guide shaft; 713, second buffer spring; 714, first clamping rod; 3321, first translation cylinder; 3322, first translation plate; 3323, fixed vertical plate; 3324, sliding horizontal plate; 3325, first bearing plate; 3326, first limit vertical plate. DETAILED DESCRIPTION

[0029] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Reference Figures 1 to 7As shown, the utility model provides a fully automatic loading and unloading plate placing machine for VR glasses motherboard, in one embodiment, including

[0031] Two feeding conveying devices 1, the two feeding conveying devices 1 are arranged in parallel and spaced apart, and a reflux conveying device 2 is also arranged on one side of one of the feeding conveying devices 1; a tray loading and unloading device 3 is also arranged between the two feeding conveying devices 1;

[0032] A loading and transferring device 4, wherein the loading and transferring device 4 is arranged above one end of the tray loading and unloading device 3;

[0033] A material unloading and transferring device 5, wherein the material unloading and transferring device 5 is arranged above the other end of the tray unloading and transferring device 3;

[0034] A product turning device 6 is installed on one side of the feeding and conveying device 1 , and a product pressing device 7 is arranged above the feeding and conveying device 1 .

[0035] In this embodiment, a chassis (not shown in the figure) is also included, and a feeding transmission device 1, a reflux transmission device 2, a tray loading and unloading device 3, a feeding transfer device 4, a unloading transfer device 5, a product flipping device 6, and a product pressing device 7 are all installed in the chassis (in this embodiment, the feeding transmission device 1 and the reflux transmission device 2 can use conventional magnetic levitation transmission lines or conveyor belt assembly lines, which are not limited here). When working, first, a tray carrying a product (in this embodiment, a VR glasses motherboard) is placed in the tray loading and unloading device 3 manually or by a robot, and the feeding transfer device 4 transfers the products in the tray to the fixture on the feeding transmission device 1 one by one; after the fixture is filled with products, the feeding transmission device 1 transfers the fixture to the next working line, that is, the labeling machine, and at the same time, the tray loading and unloading device 3 will transfer the empty The material tray is transferred to the bottom of the unloading and transferring device 5 to wait for the loading of the labeled products; after the product labeling is completed, the external manipulator or the shuttle machine will transfer the jig to the return transmission device 2, and the return transmission device 2 will transfer the jig to the unloading and transferring device 5, and the external manipulator or the shuttle machine will transfer the jig to the loading and transferring device 1 (when the labeling machine is applying foam to the product, the product will be turned over to apply foam to the back of the product, so the product is set with the back facing up at this time, therefore, the product turning device 6 will turn the product over to make it face up), then, the unloading and transferring device 5 will transfer the labeled products on the jig one by one to the empty material tray to complete the unloading, and at the same time, the loading and transferring device 1 will transfer the empty jig to the loading and transferring device 4 to reuse the jig.

[0036] In one embodiment, the tray loading and unloading device 3 includes a tray transmission mechanism 31, a first mounting frame 32, a tray loading mechanism 33 installed at one end of the top of the first mounting frame 32, and a tray unloading mechanism 34 installed at the other end of the top of the first mounting frame 32; the tray loading mechanism 33 and the tray unloading mechanism 34 both include a first fixed frame 331, a tray translation mechanism 332 arranged in the first fixed frame 331, and a tray lifting mechanism 333 installed on the first fixed frame 331; the tray transmission mechanism 31 is installed on the top of the two first fixed frames 331; a first tray dividing mechanism 334 is arranged on both sides of one end of the tray transmission mechanism 31, and a second tray dividing mechanism is arranged on both sides of the other end of the tray transmission mechanism 31.

[0037] At the same time, the material tray translation mechanism 332 includes a first translation cylinder 3321, and a first translation plate 3322 connected to the first translation cylinder 3321; the top two ends of the first translation plate 3322 are respectively connected to a fixed vertical plate 3323, and the opposite sides of the two fixed vertical plates 3323 are respectively slidably connected to a sliding horizontal plate 3324; the tops of the two sliding horizontal plates 3324 are also connected to a first supporting plate 3325, and the top two ends of the first supporting plate 3325 are respectively arranged with a first limiting vertical plate 3326.

[0038] The tray lifting mechanism 333 includes two first lifting screws, two first lifting brackets, a first lifting motor, and a synchronous belt assembly; the two first lifting screws are respectively arranged on one side of the first fixed frame 331 in the vertical direction, and the two first lifting brackets are both located between the two first limit vertical plates 3326, and the two first lifting brackets are respectively connected to a first lifting screw; the first lifting motor is installed on the first mounting frame 32, and the first lifting motor is connected to the two first lifting screws via a synchronous belt assembly; the first tray dividing mechanism 334 and the second tray dividing mechanism both include a second translation cylinder, a first lifting cylinder connected to the second translation cylinder, and a first lifting seat connected to the first lifting cylinder; a tray dividing plate is connected to each of the two ends of the top of the first lifting seat.

[0039] In this embodiment, when working, first pull the first carrier plate 3325 to pull the first carrier plate 3325 out of the chassis, and then manually or externally use a manipulator to stack the trays carrying the products between the two first limit vertical plates 3326 on the first carrier plate 3325; then, push the first carrier plate 3325 back into the chassis, and the first translation cylinder 3321 drives the first translation plate 3322 to drive the stacked trays to translate into the first fixed frame 331, and then, the first lifting motor drives the first lifting motor via a synchronous belt assembly (including a driving wheel installed on the output shaft of the first lifting motor, a driven wheel installed on the end of the first lifting screw rod, and a synchronous belt wound between the driving wheel and the driven wheel). The lifting screw rod operates, thereby driving the first lifting bracket to rise. At this time, the first lifting bracket is located between the two first limit vertical plates 3326. When the first lifting bracket rises, it will lift the material tray and rise together, so that the dividing plate is between the top material tray and the second material tray. Subsequently, with the cooperation of the second translation cylinder and the first lifting cylinder, the top material tray is lifted by the dividing plate to complete the material tray dividing process. At this time, the loading and transferring device 4 transfers the products in the material tray after separation to the fixture one by one. After the products in the material tray are completely taken out, the first dividing mechanism 334 will place the empty material tray on the material tray transmission mechanism 31. At the same time, the first lifting bracket continues to rise, and the above-mentioned dividing action is repeated.

[0040] In this embodiment, the tray transmission mechanism 31 includes a translational drive mechanism installed on a first fixed frame 331 (the existing motor synchronous belt transmission method can be directly adopted, which is not limited here), and a translation pallet connected to the translational drive mechanism; the first tray separation mechanism 334 will place the empty tray on the translation pallet, and then the translational drive mechanism will drive the translation pallet to move to the tray unloading mechanism 34, so that the unloading and transferring device 5 can transfer the finished foam-applied product to the empty tray. After the tray is filled with products, the second tray separation mechanism will separate the tray onto the first supporting plate 3325 of the tray unloading mechanism 34 to complete the tray unloading. Its working operation process is opposite to that of the tray loading mechanism 33, and will not be repeated here.

[0041] In one embodiment, the loading and unloading transfer device 4 and the unloading and unloading transfer device 5 both include a first X-axis translation mechanism 41, a first Y-axis translation mechanism 42, and a second translation plate 43 connected to the first Y-axis translation mechanism 42; a first visual mechanism 44 and a first transfer mechanism 45 are also installed on one side of the second translation plate 43. In this embodiment, the first X-axis translation mechanism 41 and the first Y-axis translation mechanism 42 can directly adopt the existing linear motor module, and with the cooperation of the two, the first transfer mechanism 45 can be driven to perform translation and lifting movements, so that the first transfer mechanism 45 can transfer the product. At the same time, the first visual mechanism 44 includes a camera and a light source, and the product can be positioned by the first visual mechanism 44. At the same time, the first visual mechanism 44 of the unloading and unloading transfer device 5 can also re-inspect the product after the foam is applied.

[0042] In one embodiment, the first transfer mechanism 45 includes a first Z-axis lifting mechanism 451, a second lifting seat 452 connected to the first Z-axis lifting mechanism 451, a first rotating mechanism 453 installed on the second lifting seat 452, a first rotating bracket 454 connected to the first rotating mechanism 453, and a first transfer module installed on the first rotating bracket 454; the first transfer module includes a first fixed block 455 connected to one side of the first rotating bracket 454, a first lifting block 456 slidably arranged on one side of the first rotating bracket 454 and located below the first fixed block 455, and a first rotating module installed on the first rotating bracket 454. A first suction cup assembly 457 is provided at the bottom of a lifting block 456; a pressure sensor 458 is installed at the top of the first lifting block 456, and a first guide rod is also movably installed on the first fixed block 455 (the first guide rod is movably arranged through the first fixed block 455 and can be moved up and down relative to the first fixed block 455, and a limiting step is also provided on the top of the first guide rod), and one end of the first guide rod is in contact with the top of the pressure sensor 458; a first buffer spring is also sleeved on the outer wall of the first guide rod, and the two ends of the first buffer spring are respectively in contact with the top of the pressure sensor 458 and the bottom of the first fixed block 455.

[0043] In this embodiment, the first Z-axis lifting mechanism 451 adopts a linear motor module, and the first rotating mechanism 453 is a rotating motor, which can drive the first transferring module to perform lifting and rotating movements so that the first transferring module can transfer products. At the same time, when the first transferring module absorbs the product through the first suction cup assembly 457, the first lifting block 456 will slide upward under the influence of the reaction force, and then squeeze the first buffer spring to play a buffering role to avoid excessive downward pressure and damage to the product. At the same time, a pressure sensor 458 is provided to detect pressure and improve the safety of product absorption.

[0044] In one embodiment, the product pressing device 7 includes a lower pressing block assembly 71, a second lifting cylinder 72, a first rotating cylinder 73 connected to the second lifting cylinder 72, a first clamping cylinder 74 connected to the first rotating cylinder 73, and two first clamping rods 75 connected to the first clamping cylinder 74. After the product is transferred to the jig on the feeding transmission device 1, the first clamping cylinder 74 will place the clamped lower pressing block assembly 71 on the jig to press and limit the product in the jig to ensure the stability of its transmission.

[0045] At the same time, the lower pressure block assembly 71 includes a pressure block 711 and a first guide shaft 712; a first limiting groove is opened on the top of the pressure block 711, and a guide sleeve is arranged in the first limiting groove; the first guide shaft 712 is movably inserted in the guide sleeve, and a first limiting step is also provided on the top of the first guide shaft 712; the outer wall of the first guide shaft 712 is also sleeved with a second buffer spring 713, and the two ends of the second buffer spring 713 are respectively abutted against the bottom of the limiting step and the top of the guide sleeve; the two ends of the pressure block 711 are also connected to a first pressure rod 714, and a first buffer pad is also provided at the bottom of the first pressure rod 714. In this embodiment, a positioning hole is provided at the bottom of the clamping block 711, and a positioning pin is provided on the jig at a position corresponding to the positioning hole. The clamping block 711 can be conveniently placed on the jig through the positioning hole and the positioning pin, and then the product is clamped and limited by the first clamping rod 714. At the same time, the first clamping cylinder 74 will exert downward pressure on the clamping block 711 when placing it on the jig. At this time, the limiting step will squeeze the second buffer spring 713 to play a buffering role.

[0046] In one embodiment, the product flipping device 6 includes a first stand 61, a first lifting mechanism 62 installed on the first stand 61, a second rotating mechanism 63 connected to the first lifting mechanism 62, and a second suction cup module 64 connected to the second rotating mechanism 63. In this embodiment, the first lifting mechanism 62 adopts a linear motor module, and the second rotating mechanism 63 is a rotary motor. With the cooperation of the two, the second suction cup module 64 can be driven to suck and flip the product, which is simple and convenient.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully automatic loading and unloading machine for VR glasses motherboard, characterized in that: include Two feeding conveying devices, the two feeding conveying devices are arranged in parallel and at intervals, and a reflux conveying device is also arranged on one side of one of the feeding conveying devices; a material tray loading and unloading device is also arranged between the two feeding conveying devices; A loading and transferring device, which is arranged above one end of the tray loading and unloading device; A material unloading and transferring device, which is arranged above the other end of the material tray unloading and transferring device; A product turning device is installed on one side of the feeding and conveying device, and a product pressing device is also arranged above the feeding and conveying device.

2. The fully automatic loading and unloading machine for VR glasses motherboard according to claim 1 is characterized in that: The tray loading and unloading device includes a tray transmission mechanism, a first mounting frame, a tray loading mechanism installed at one end of the top of the first mounting frame, and a tray unloading mechanism installed at the other end of the top of the first mounting frame; the tray loading mechanism and the tray unloading mechanism both include a first fixed frame, a tray translation mechanism arranged in the first fixed frame, and a tray lifting mechanism installed on the first fixed frame; the tray transmission mechanism is installed on the top of the two first fixed frames; a first tray dividing mechanism is arranged on both sides of one end of the tray transmission mechanism, and a second tray dividing mechanism is arranged on both sides of the other end of the tray transmission mechanism.

3. The fully automatic loading and unloading plate placing machine for VR glasses motherboard according to claim 2 is characterized in that: The tray translation mechanism includes a first translation cylinder and a first translation plate connected to the first translation cylinder; the two ends of the top of the first translation plate are respectively connected to a fixed vertical plate, and the opposite sides of the two fixed vertical plates are respectively slidably connected to a sliding horizontal plate; the tops of the two sliding horizontal plates are also connected to a first supporting plate, and the two ends of the top of the first supporting plate are respectively arranged with a first limiting vertical plate.

4. The fully automatic loading and unloading plate placing machine for VR glasses motherboard according to claim 3 is characterized in that: The tray lifting mechanism includes two first lifting screw rods, two first lifting brackets, a first lifting motor, and a synchronous belt assembly; the two first lifting screw rods are respectively arranged on one side of the first fixed frame in the vertical direction, the two first lifting brackets are both located between the two first limit vertical plates, and the two first lifting brackets are respectively connected to a first lifting screw rod; the first lifting motor is installed on the first mounting frame, and the first lifting motor is connected to the two first lifting screw rods via a synchronous belt assembly; the first tray dividing mechanism and the second tray dividing mechanism both include a second translation cylinder, a first lifting cylinder connected to the second translation cylinder, and a first lifting seat connected to the first lifting cylinder; a tray dividing plate is connected to each of the two ends of the top of the first lifting seat.

5. The fully automatic loading and unloading plate placing machine for VR glasses motherboard according to claim 1 is characterized in that: The loading and unloading transfer device and the unloading and unloading transfer device both include a first X-axis translation mechanism, a first Y-axis translation mechanism, and a second translation plate connected to the first Y-axis translation mechanism; a first visual mechanism and a first transfer mechanism are also installed on one side of the second translation plate.

6. The fully automatic loading and unloading machine for VR glasses motherboard according to claim 5 is characterized in that: The first transfer mechanism includes a first Z-axis lifting mechanism, a second lifting seat connected to the first Z-axis lifting mechanism, a first rotating mechanism installed on the second lifting seat, a first rotating bracket connected to the first rotating mechanism, and a first transfer module installed on the first rotating bracket; the first transfer module includes a first fixed block connected to one side of the first rotating bracket, a first lifting block slidably arranged on one side of the first rotating bracket and located below the first fixed block, and a first suction cup assembly installed at the bottom of the first lifting block; a pressure sensor is installed on the top of the first lifting block, and a first guide rod is also movably installed on the first fixed block, and one end of the first guide rod is in contact with the top of the pressure sensor; the outer wall of the first guide rod is also sleeved with a first buffer spring, and the two ends of the first buffer spring are respectively abutted against the top of the pressure sensor and the bottom of the first fixed block.

7. The fully automatic loading and unloading plate placing machine for VR glasses motherboard according to claim 1 is characterized in that: The product pressing device includes a lower pressing block assembly, a second lifting cylinder, a first rotating cylinder connected to the second lifting cylinder, a first clamping cylinder connected to the first rotating cylinder, and two first clamping rods connected to the first clamping cylinder.

8. The fully automatic loading and unloading plate placing machine for VR glasses motherboard according to claim 7 is characterized in that: The lower pressure block assembly includes a pressure block and a first guide shaft; a first limiting groove is opened on the top of the pressure block, and a guide sleeve is arranged in the first limiting groove; the first guide shaft is movably inserted in the guide sleeve, and a first limiting step is also provided on the top of the first guide shaft; a second buffer spring is also sleeved on the outer wall of the first guide shaft, and the two ends of the second buffer spring are respectively abutted against the bottom of the limiting step and the top of the guide sleeve; the two ends of the pressure block are also connected to a first pressure rod, and a first buffer pad is also provided at the bottom of the first pressure rod.

9. The fully automatic loading and unloading machine for VR glasses motherboard according to claim 1 is characterized in that: The product turning device comprises a first stand, a first lifting mechanism installed on the first stand, a second rotating mechanism connected to the first lifting mechanism, and a second suction cup module connected to the second rotating mechanism.

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