AR diffractive optical waveguide film layer laminating machine

Abstract

The utility model relates to the technical field of laminating machine discloses AR diffraction light waveguide film layer laminating machine, including the bottom plate, the upper end surface of bottom plate installs first limit frame, has seted up first limit slot in first limit frame, the upper end surface of bottom plate installs the positioning box, has seted up positioning cavity in positioning box, be equipped with positioning assembly in positioning cavity, the upper end surface of bottom plate installs the mounting bracket, the upper end surface of bottom plate is equipped with second limit frame, has seted up second limit slot in second limit frame, is equipped with mounting assembly on second limit frame, the upper end surface of bottom plate still is equipped with the lifting plate, the lower end surface of lifting plate installs the sucking disc, the upper end surface of mounting bracket is equipped with laminating assembly, through above -mentioned configuration, make through positioning assembly to the replacement of first limit frame, make the first limit frame of replacement can be adapted with diffraction light waveguide film layer, avoid diffraction light waveguide film layer in first limit slot and occur the shift, lead to the laminating of cover plate and diffraction light waveguide film layer and take place the situation of misregistration.

Description

Technical Field

[0001] This utility model relates to the field of lamination machine technology, specifically to an AR diffraction waveguide film lamination machine. Background Technology

[0002] In the field of modern optical display technology, the diffractive waveguide film layer is a core component of the device. The precision of its manufacturing process directly affects the display effect and user experience of the device. The core of the diffractive waveguide film layer is the nanoscale diffraction grating on the surface (such as relief grating, holographic grating, etc.). These structures are very fragile and easily scratched, bumped, or contaminated with dust or fingerprints. Therefore, it is necessary to place the diffractive waveguide film layer on the fixture of the laminating machine for positioning. Then, the cover plate is laminated to the surface of the diffractive waveguide film layer to protect it from dust or fingerprints.

[0003] Existing fixtures are typically fixed on laminating machines and can only accommodate diffractive waveguide films of a single specification. However, diffractive waveguide films come in various shapes (such as flat, curved, or irregular shapes). When a diffractive waveguide film with a shape that does not match the fixture is placed inside the fixture, the fixture's ability to limit the diffractive waveguide film is poor. When the cover plate is laminated onto the diffractive waveguide film, the diffractive waveguide film inside the fixture will shift, which will easily lead to misalignment of the cover plate on the diffractive waveguide film, thus affecting the lamination and installation of the cover plate on the diffractive waveguide film. Utility Model Content

[0004] The purpose of this invention is to provide an AR diffractive waveguide film lamination machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] AR diffractive waveguide film laminating machine includes a base plate, a sliding first limiting frame is installed on the upper end surface of the base plate, a first limiting groove adapted to the diffractive waveguide film is opened in the first limiting frame, a positioning box is installed on the upper end surface of the base plate, a positioning cavity is opened in the positioning box, and a positioning component for positioning the first limiting frame is provided in the positioning cavity.

[0007] An L-shaped mounting bracket is installed on the upper end face of the base plate. A second limiting frame is provided on the upper end face of the base plate. A second limiting groove adapted to the cover plate is opened in the second limiting frame. An installation component is provided on the side wall of the second limiting frame facing the mounting bracket. The installation component is used to install and remove the second limiting frame from one side wall of the mounting bracket.

[0008] The upper end of the base plate is also provided with a lifting plate, and the lower end of the lifting plate is equipped with a suction cup for adsorbing the cover plate. The upper end of the mounting bracket is provided with a bonding component, which is used to bond the cover plate adsorbed by the suction cup to the upper surface of the diffractive waveguide film layer.

[0009] Preferably, the upper end face of the base plate is provided with a T-shaped groove, the lower end face of the first limiting frame is provided with a T-shaped slider that fits into the groove, and a positioning plate is installed in the positioning cavity.

[0010] The positioning assembly includes a rod that is slidably installed in the positioning cavity and has one end that passes through the positioning box. A ring is sleeved on the side wall of the rod. A first spring is sleeved on the rod between the positioning plate and the ring. The first spring is used to push the through end of the rod into the side wall of the first limiting frame to achieve positioning of the first limiting frame.

[0011] Preferably, a fixing box is installed on the upper end face of the base plate, and a fixing cavity communicating with the positioning cavity is opened in the fixing box. The other end of the insertion rod extends into the fixing cavity. Opposite mating rods are installed on the side wall of the insertion rod located in the fixing cavity. A mating block is installed at one end of each of the two mating rods. A mating inclined surface is opened on one side wall of each mating block. A lifting drive plate is installed in the fixing cavity. A drive rod with one end extending out of the fixing box is installed on the upper end face of the drive plate. Opposite drive blocks are installed on the lower end face of the drive plate. A pressing inclined surface that cooperates with the mating inclined surface is opened on one side wall of each drive block.

[0012] Preferably, a fixing rod is installed in the fixing cavity, which is opposite to the two ends of the drive plate and is fitted with a second spring. The second spring is used to push the drive plate to move upward.

[0013] Preferably, the side wall of the second limiting frame facing the side wall of the mounting bracket is equipped with a through rod that is opposite to and penetrates the mounting bracket, and a limiting ring is fitted on both through rods;

[0014] The mounting assembly includes a nut that is threaded onto the corresponding through rod, and the nut and the limiting ring are pressed against the mounting bracket to realize the installation of the second limiting frame on the mounting bracket.

[0015] Preferably, the mounting bracket has a locking block installed on the side wall facing the lifting plate, which can be inserted into the lifting plate;

[0016] The bonding assembly includes a lead screw that is rotatably mounted on the upper surface of the mounting bracket and extends through the mounting bracket at its lower end. The lead screw is threaded through a lifting plate. The rotation of the lead screw is used to bond the cover plate on the suction cup to the upper surface of the diffractive waveguide film.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This utility model uses a positioning component to position the first limiting frame for replacement, thereby enabling the replacement of the first limiting frame on the upper surface of the base plate. At this time, the replaced first limiting frame can limit the diffractive waveguide film layer through the first limiting groove, preventing the diffractive waveguide film layer from shifting during the bonding of the cover plate with the diffractive waveguide film layer, which would cause misalignment during bonding. Compared with the existing technology, this AR diffractive waveguide film layer bonding machine can replace the first limiting frame according to the shape of the diffractive waveguide film layer in actual use, so that the first limiting frame can limit diffractive waveguide film layers of different shapes.

[0019] 2. In this utility model, a fixing rod is installed in the fixing cavity, which is opposite to each other and is sleeved on both ends of the drive plate. A second spring is sleeved on each fixing rod. The second spring is used to push the drive plate to move upward. By limiting the two ends of the drive plate through the two fixing rods, it can prevent the drive plate from driving the two drive blocks 271 to rotate, thereby affecting the cooperation between the drive block and the mating block.

[0020] 3. In this utility model, a square groove is provided on the other end face of the insertion rod. The square groove is square in shape. A crossbar is installed on the side wall of the fixing cavity facing the end face of the insertion rod. The crossbar is also square in shape. Through the cooperation of the crossbar and the square groove, the crossbar can limit the insertion rod, thereby preventing the insertion rod from driving the mating block to rotate through the mating rod, thus affecting the cooperation between the mating block and the driving block. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the AR diffraction waveguide film lamination machine of this utility model.

[0022] Figure 2 This is a half-sectional structural diagram of the base plate, positioning box, and fixing box of this utility model.

[0023] Figure 3 This is a schematic diagram of the structure of the mating rod and mating block installed on the insertion rod in this utility model.

[0024] Figure 4 This is a schematic diagram of the structure in which the drive plate and drive block are installed in the fixed cavity in this utility model.

[0025] Figure 5 This is a schematic diagram of the structure of the second limiting frame in this utility model.

[0026] The meanings of the labels in the diagram are as follows:

[0027] 100. Base plate; 101. Slide groove; 110. First limiting frame; 111. First limiting groove; 120. Positioning box; 130. Mounting bracket; 140. Second limiting frame; 150. Lifting plate; 151. Suction cup; 160. Fixing box; 161. Drive rod; 170. Lead screw; 171. Locking block; 180. Motor; 190. Vacuum pump; 191. Hose;

[0028] 201. Positioning cavity; 210. Slider; 220. Positioning plate; 230. Insert rod; 231. Insert ring; 240. First spring; 251. Fixing cavity; 260. Mating block; 270. Drive plate; 271. Drive block;

[0029] 300, mating rod; 301, square groove;

[0030] 400. Fixed rod; 410. Second spring; 420. Crossbar;

[0031] 501, Second limiting groove; 502, Groove opening; 510, Through rod; 511, Limiting ring; 520, Nut. Detailed Implementation

[0032] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are merely illustrative of this utility model and are not intended to limit it.

[0033] The following is in conjunction with the appendix Figures 1-5 This embodiment will be described in further detail.

[0034] like Figure 1 and Figure 5 As shown, the AR diffractive waveguide film laminating machine in this embodiment includes a base plate 100. A sliding first limiting frame 110 is installed on the upper end surface of the base plate 100. A first limiting groove 111 adapted to the diffractive waveguide film is opened in the first limiting frame 110. A positioning box 120 is installed on the upper end surface of the base plate 100. A positioning cavity 201 is opened in the positioning box 120. A positioning component for positioning the first limiting frame 110 is provided in the positioning cavity 201.

[0035] An L-shaped mounting bracket 130 is installed on the upper end face of the base plate 100. A second limiting frame 140 is provided on the upper end face of the base plate 100. A second limiting groove 501 adapted to the cover plate is opened in the second limiting frame 140. An installation component is provided on the side wall of the second limiting frame 140 facing the mounting bracket 130. The installation component is used to install and remove the second limiting frame 140 from one side wall of the mounting bracket 130.

[0036] The upper end face of the base plate 100 is also provided with a lifting plate 150, and the lower end face of the lifting plate 150 is provided with a suction cup 151 for adsorbing the cover plate. The upper end face of the mounting bracket 130 is provided with a bonding component, which is used to bond the cover plate adsorbed by the suction cup 151 to the upper surface of the diffractive waveguide film layer.

[0037] In this embodiment, the bottom wall of the second limiting groove 501 has a slot 502 through which the lifting plate 150 passes. By placing the diffractive waveguide film layer coated with UV adhesive in the first limiting groove 111 with the adhesive side facing upward, the shape of the first limiting groove 111 is adapted to the diffractive waveguide film layer, so that the first limiting groove 111 can limit the diffractive waveguide film layer. Then, the operator holds the cover plate and makes the cover plate completely located in the second limiting groove 501. When the cover plate is located in the second limiting groove 501, the second limiting groove 501 can limit the position of the cover plate, so that the cover plate is completely above the diffractive waveguide film layer. At this point, the cover plate in the second limiting groove 501 is adsorbed by the suction cup 151. At the same time, the operator releases the hand support of the cover plate. Then, the lifting plate 150 is driven to move down by the bonding component, so that the lifting plate 150 drives the suction cup 151 to move down. That is, the suction cup 151 can drive the cover plate to move down. When the lowered cover plate presses against the upper surface of the diffractive waveguide film layer, the cover plate is bonded to the diffractive waveguide film layer. Then, the suction cup 151 releases the adsorption of the cover plate, and the position of the lifting plate 150 after moving down is reset by the bonding component. Finally, the diffractive waveguide film layer is taken out from the first limiting groove 111.

[0038] When the diffractive waveguide film layer on the upper surface of the base plate 100 does not fit the first limiting groove 111, the first limiting frame 110 needs to be replaced. The positioning component releases the restriction on the first limiting frame 110, allowing it to slide off the upper surface of the base plate 100. Then, a suitable first limiting frame 110 is placed on the upper surface of the base plate 100, and the positioning component positions the replaced first limiting frame 110, thus achieving the replacement of the first limiting frame 110 on the upper surface of the base plate 100. The first limiting frame 110 can limit the diffractive waveguide film layer through the first limiting groove 111, so as to prevent the diffractive waveguide film layer from shifting when the cover plate is bonded to the diffractive waveguide film layer, which would cause misalignment of the cover plate on the diffractive waveguide film layer. Compared with the existing ones, this AR diffractive waveguide film layer bonding machine can replace the first limiting frame 110 according to the shape of the diffractive waveguide film layer in actual use, so that the first limiting frame 110 can limit the diffractive waveguide film layer with different shapes.

[0039] When the shape of the second limiting groove 501 does not match that of the cover plate, the second limiting frame 140 needs to be replaced. This is to prevent the second limiting groove 501 from failing to limit the cover plate when it is located inside the second limiting groove 501, resulting in the cover plate not being directly above the diffractive waveguide film layer. In this case, when the bonding assembly uses the suction cup 151 to bond the cover plate, which is not directly above the diffractive waveguide film layer, to the upper surface of the diffractive waveguide film layer, misalignment may occur between the cover plate and the diffractive waveguide film layer. To avoid this situation, the installation assembly is used to remove the installation of the second limiting frame 140, so that the second limiting frame 140 on the mounting bracket 130 can be replaced. After the replacement of the second limiting frame 140 is completed, the installation assembly is used to install the second limiting frame 140 on the mounting bracket 130, thereby avoiding the mismatch between the shape of the second limiting groove 501 and the cover plate.

[0040] In actual use, a vacuum pump 190 is installed on the upper surface of the base plate 100. The vacuum pump 190 is model GV80. A hose 191 is installed on the vacuum pump 190. One end of the hose 191 is connected to the suction cup 151. When the suction cup 151 is pressed against the cover plate, the vacuum pump 190 can drive the suction cup 151 to adsorb the cover plate through the hose 191. That is, the vacuum pump 190 can also release the suction cup 151 from adsorbing the cover plate.

[0041] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in this embodiment, the upper end face of the base plate 100 is provided with a T-shaped groove 101, the lower end face of the first limiting frame 110 is provided with a T-shaped slider 210 that is inserted into the groove 101, and a positioning plate 220 is installed in the positioning cavity 201.

[0042] The positioning assembly includes a rod 230 that is slidably installed in the positioning cavity 201 and has one end that passes through the positioning box 120. A ring 231 is sleeved on the side wall of the rod 230. A first spring 240 is sleeved on the rod 230 located between the positioning plate 220 and the ring 231. The first spring 240 is used to push the through end of the rod 230 into the side wall of the first limiting frame 110 to achieve positioning of the first limiting frame 110.

[0043] In this embodiment, the insertion rod 230 is slidably installed in the positioning cavity 201 by passing one end through the positioning box 120 and the other end through the positioning plate 220. The insertion ring 231 is fixedly sleeved on the insertion rod 230. When the first limiting frame 110 is pre-installed on the upper surface of the base plate 100 by inserting the slider 210 into the sliding groove 101 and sliding the first limiting frame 110 close to the mounting bracket 130, the first limiting frame 110 is pre-installed. At this time, the first spring 240 pushes the insertion ring 231 away from the positioning plate 220, so that the insertion ring 231 can drive the insertion rod 230 to move and insert one end of the insertion rod 230 into the first limiting frame 110 to locate the position of the first limiting frame 110.

[0044] To facilitate the operation of the staff, one end of the insertion rod 230 slides out from the side wall of the first limiting frame 110 to release its positioning, a fixing box 160 is installed on the upper surface of the base plate 100. The fixing box 160 has a fixing cavity 251 that connects to the positioning cavity 201. The other end of the insertion rod 230 extends into the fixing cavity 251. Opposite mating rods 300 are installed on the side wall of the insertion rod 230 within the fixing cavity 251. A mating block 260 is installed at one end of each of the two mating rods 300, and a mating inclined surface is provided on one side wall of each mating block 260. A lifting drive plate 270 is installed within the fixing cavity 251, and the upper surface of the drive plate 270... A drive rod 161 is installed with one end extending out of the fixed box 160. A corresponding drive block 271 is installed on the lower end face of the drive plate 270. Each side wall of the drive block 271 is provided with a pressing slope that cooperates with the mating slope. When the operator presses the drive rod 161, the drive rod 161 drives the drive plate 270 to move down. At this time, the drive plate 270 drives the two drive blocks 271 to move down. The downward movement of the drive blocks 271 can press the mating slope through the pressing slope, so that the mating block 260 can drive the insertion rod 230 to move through the mating rod 300, so that one end of the insertion rod 230 slides out from the first limiting frame 110, thereby releasing the positioning of the first limiting frame 110.

[0045] The fixed cavity 251 is equipped with fixed rods 400 that are opposite each other and fitted at both ends of the drive plate 270. Each fixed rod 400 is fitted with a second spring 410. The second spring 410 is used to push the drive plate 270 upward. By limiting the two ends of the drive plate 270 through the two fixed rods 400, it can prevent the drive plate 270 from causing the two drive blocks 271 to rotate, thereby affecting the cooperation between the drive blocks 271 and the mating block 260. At the same time, by constantly pushing the drive plate 270 to keep it in an upward state through the two second springs 410, the two drive blocks 271 can also always keep in an upward state. Thus, when the operator presses the drive rod 161 to drive the drive plate 270 downward, the drive blocks 271 can better squeeze the mating block 260.

[0046] In actual use, the insertion rod 230 has a square groove 301 on the other end face. The square groove 301 is square. A crossbar 420 with one end inserted into the square groove 301 is installed on the side wall of the fixing cavity 251 facing the end face of the insertion rod 230. The crossbar 420 is also square. Through the cooperation of the crossbar 420 and the square groove 301, the crossbar 420 can limit the insertion rod 230, thereby preventing the insertion rod 230 from driving the mating block 260 to rotate through the mating rod 300, thus affecting the cooperation between the mating block 260 and the driving block 271.

[0047] like Figure 1 and Figure 5 As shown, in this embodiment, the side wall of the second limiting frame 140 facing the side wall of the mounting bracket 130 is equipped with a through rod 510 that is opposite to and passes through the mounting bracket 130, and a limiting ring 511 is fixedly sleeved on both through rods 510.

[0048] The mounting assembly includes a nut 520 that is threaded onto the corresponding through rod 510. The nut 520 and the limiting ring 511 abut against the mounting bracket 130 to realize the installation of the second limiting frame 140 on the mounting bracket 130.

[0049] In this embodiment, by passing two through rods 510 through the mounting bracket 130 and pressing the limiting ring 511 against one side wall of the mounting bracket 130, then threading the nut 520 onto the through rod 510 and rotating the nut 520 so that the nut 520 presses against the other side wall of the mounting bracket 130, the through rod 510 is installed on the mounting bracket 130, that is, the second limiting frame 140 is installed on the mounting bracket 130.

[0050] In actual use, when the nut 520 is turned off from the through rod 510, the through rod 510 is released from the mounting bracket 130, that is, the second limit frame 140 is released from the mounting bracket 130. At this time, the second limit frame 140 can be replaced.

[0051] like Figure 1 As shown, in this embodiment, a locking block 171 that can be inserted into the lifting plate 150 is installed on the side wall of the mounting bracket 130 facing the lifting plate 150.

[0052] The bonding assembly includes a lead screw 170 rotatably mounted on the upper surface of the mounting bracket 130 and with its lower end penetrating through the mounting bracket 130. The lead screw 170 is threaded through the lifting plate 150. The lead screw 170 is rotated to bond the cover plate on the suction cup 151 to the upper surface of the diffractive waveguide film.

[0053] In this embodiment, the upper end of the lead screw 170 is rotatably mounted on the upper surface of the mounting bracket 130 via a bearing, and the lower end of the lead screw 170 is mounted on the upper surface of the base plate 100 via a bearing. The locking block 171 limits the lifting plate 150. When the lead screw 170 rotates, it can drive the lifting plate 150 to move up and down. The lifting plate 150 drives the suction cup 151 to move down, so that the suction cup 151 can adsorb the cover plate. Then, the lifting plate 150 continues to drive the suction cup 151 to move down, and the suction cup 151 can drive the adsorbed cover plate to adhere to the upper surface of the diffractive waveguide film layer, thereby achieving the adhesion of the cover plate to the diffractive waveguide film layer.

[0054] In actual use, a motor 180 is installed on the upper end of the mounting bracket 130. The motor 180 is model 57HS22-BZ. The output shaft of the motor 180 is connected to the lead screw 170, so that the lead screw 170 can be driven to rotate by the motor 180.

[0055] In practical use, the diffractive waveguide film layer coated with UV adhesive is first placed in the first limiting groove 111 with the adhesive side facing upwards. Then, the operator holds the cover plate and ensures it is completely positioned within the second limiting groove 501. At this point, the motor 180 drives the lead screw 170 to rotate, which in turn drives the lifting plate 150 to move downwards. When the lifting plate 150 moves the suction cup 151 through the slot 502 and presses the suction cup 151 against the side of the cover plate... On the wall, at this time, the vacuum pump 190 drives the suction cup 151 to adsorb the cover plate through the hose 191. When the suction cup 151 adsorbs the cover plate, the lifting plate 150 drives the cover plate to move down through the suction cup 151 and makes the cover plate adhere to the upper surface of the diffraction waveguide film layer, thus realizing the adhesion of the cover plate to the diffraction waveguide film layer. After the cover plate is adhered to the diffraction waveguide film layer, the vacuum pump 190 drives the suction cup 151 through the hose 191 to release the adsorption of the cover plate.

[0056] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the patent of the present utility model.

Claims

1. An AR diffraction waveguide film lamination machine, comprising a base plate (100), characterized in that: A sliding first limiting frame (110) is installed on the upper end face of the base plate (100). A first limiting groove (111) adapted to the diffractive waveguide film layer is opened in the first limiting frame (110). A positioning box (120) is installed on the upper end face of the base plate (100). A positioning cavity (201) is opened in the positioning box (120). A positioning component for positioning the first limiting frame (110) is provided in the positioning cavity (201). An L-shaped mounting bracket (130) is installed on the upper end face of the base plate (100). A second limiting frame (140) is provided on the upper end face of the base plate (100). A second limiting groove (501) adapted to the cover plate is opened in the second limiting frame (140). An installation component is provided on the side wall of the second limiting frame (140) facing the mounting bracket (130). The installation component is used to install and remove the second limiting frame (140) from one side wall of the mounting bracket (130). The upper end face of the base plate (100) is also provided with a lifting plate (150), and the lower end face of the lifting plate (150) is provided with a suction cup (151) for adsorbing the cover plate. The upper end face of the mounting bracket (130) is provided with a bonding component, which is used to bond the cover plate adsorbed by the suction cup (151) to the upper surface of the diffractive waveguide film layer.

2. The AR diffraction waveguide film lamination machine according to claim 1, characterized in that: The upper end face of the base plate (100) is provided with a T-shaped groove (101), the lower end face of the first limiting frame (110) is provided with a T-shaped slider (210) that is inserted into the groove (101), and a positioning plate (220) is installed in the positioning cavity (201). The positioning assembly includes a rod (230) that is slidably installed in the positioning cavity (201) and has one end that passes through the positioning box (120). A ring (231) is sleeved on the side wall of the rod (230). A first spring (240) is sleeved on the rod (230) located between the positioning plate (220) and the ring (231). The first spring (240) is used to push the through end of the rod (230) into the side wall of the first limiting frame (110) to achieve positioning of the first limiting frame (110).

3. The AR diffraction waveguide film lamination machine according to claim 2, characterized in that: A fixing box (160) is installed on the upper end face of the base plate (100). A fixing cavity (251) communicating with the positioning cavity (201) is opened in the fixing box (160). The other end of the insertion rod (230) extends into the fixing cavity (251). The side wall of the insertion rod (230) located in the fixing cavity (251) is equipped with a corresponding mating rod (300). A mating block (260) is installed at one end of each of the two mating rods (300). A mating slope is opened on one side wall of each mating block (260). A lifting drive plate (270) is installed in the fixing cavity (251). A drive rod (161) with one end extending out of the fixing box (160) is installed on the upper end face of the drive plate (270). A corresponding drive block (271) is installed on the lower end face of the drive plate (270). A pressing slope that cooperates with the mating slope is opened on one side wall of each drive block (271).

4. The AR diffraction waveguide film lamination machine according to claim 3, characterized in that: The fixed cavity (251) is equipped with fixed rods (400) that are opposite to each other and are sleeved on both ends of the drive plate (270). Each fixed rod (400) is sleeved with a second spring (410), which is used to push the drive plate (270) to move upward.

5. The AR diffraction waveguide film lamination machine according to claim 1, characterized in that: The second limiting frame (140) has a through rod (510) that is opposite to and passes through the mounting bracket (130) on the side wall facing the mounting bracket (130), and a limiting ring (511) is fitted on both through rods (510). The mounting assembly includes a nut (520) that is threaded onto the corresponding through rod (510), and the nut (520) and the limiting ring (511) abut against the mounting bracket (130) to realize the installation of the second limiting frame (140) on the mounting bracket (130).

6. The AR diffraction waveguide film lamination machine according to claim 5, characterized in that: The mounting bracket (130) has a locking block (171) that engages with the lifting plate (150) on its side wall facing the lifting plate (150). The bonding assembly includes a lead screw (170) rotatably mounted on the upper surface of the mounting bracket (130) and with its lower end passing through the mounting bracket (130). The lead screw (170) is threaded through the lifting plate (150). The lead screw (170) is rotated to bond the cover plate on the suction cup (151) to the upper surface of the diffractive waveguide film.

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