Large-size optical glass automatic clamping device

Abstract

The application discloses a large-size optical glass automatic clamping device and relates to the field of glass clamping devices, which comprises a top connecting seat, side clamping mechanisms are installed on the bottom surfaces of the two ends of the top connecting seat, a lifting mechanism is installed on the bottom surface center of the top connecting seat, adjusting mechanisms are installed on the bottom surface of the lifting mechanism, two groups of adjusting mechanisms are arranged, three groups of suction disc mechanisms are arranged on one side of the two groups of adjusting mechanisms, and one group of suction disc mechanisms is fixedly installed on the bottom surface of the lifting mechanism. The compound clamping structure vacuum suction disc + silica gel side clamping simultaneously restricts the surface and the edge of the glass, significantly reduces the deformation and vibration during high-speed movement or long-stroke carrying, improves the clamping precision, avoids the falling risk caused by single adsorption or clamping, realizes stepless adjustment of the suction disc spacing through the servo motor and the forward and reverse tooth ball screw of the adjusting mechanism, and is compatible with large-size glasses with different lengths and widths.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glass clamping devices, in particular to an automatic clamping device for large-size optical glass. BACKGROUND

[0002] Large-size optical glass is widely used in optical instruments, flat panel displays, solar photovoltaics and many other fields. With the continuous development of related industries, higher requirements are put forward for the processing and manufacturing of large-size optical glass. Automatic clamping technology is a key link in the production process of optical glass.

[0003] However, in the prior art, large-size optical glass is heavy, and the existing mechanical clamping device is prone to deformation and vibration when clamping large-size, heavy optical glass during high-speed movement or long-stroke handling, affecting clamping precision and stability. Moreover, the end effector cannot well adapt to the special surface requirements of optical glass, and is prone to scratches or poor adsorption. SUMMARY

[0004] The present application aims to provide an automatic clamping device for large-size optical glass to solve the problem that the existing mechanical clamping device is prone to deformation and vibration when clamping large-size, heavy optical glass during high-speed movement or long-stroke handling, affecting clamping precision and stability, and the end effector cannot well adapt to the special surface requirements of optical glass, and is prone to scratches or poor adsorption.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an automatic clamping device for large-size optical glass, comprising a top connecting seat, two side clamping mechanisms are installed on the bottom surface of both ends of the top connecting seat, a lifting mechanism is installed on the bottom surface of the center of the top connecting seat, an adjusting mechanism is installed on the bottom surface of the lifting mechanism, the adjusting mechanism is provided with two groups, one side of the two groups of adjusting mechanisms is provided with three groups of suction disc mechanisms, and one group of suction disc mechanisms is fixedly installed on the bottom surface of the lifting mechanism;

[0006] The adjusting mechanism comprises a support frame, a mounting block, a servo motor, a traction block, a synchronous pulley mechanism and a side mounting plate, one side of the mounting block is fixedly connected with the outer wall of the support frame, the bottom surface of the mounting block is fixedly connected with the lifting mechanism, one end of the side mounting plate is fixedly connected with the outer wall of the support frame, the servo motor is fixedly connected to the outer wall of the side mounting plate, the inner wall of the support frame is rotatably connected with a reversible toothed ball screw, the outer wall of the reversible toothed ball screw is threadedly sleeved with a sliding block, one end of the traction block is fixedly connected with the outer wall of the sliding block, the servo motor drives the reversible toothed ball screw to rotate through the synchronous pulley mechanism, thereby controlling the sliding block to drive the traction block to move, the suction cup mechanism is fixedly installed at the end of the traction block, the top connecting seat comprises a top plate, the bottom surface of the top plate is fixedly connected with a side brace plate, the top surface of the clamping arm is provided with an active slot, the side clamping mechanism comprises a clamping arm, a connecting shaft, an adjusting plate and a silica gel chuck, the top of the clamping arm is fixedly sleeved on the outer wall of the connecting shaft, the adjusting plate is installed on the inner wall of the lower part of the clamping arm, the silica gel chuck is fixedly connected to the bottom end of the adjusting plate, the bottom surface of the side brace plate is fixedly connected with a fixing frame, and the inner wall of the fixing frame is rotatably connected with a gas cylinder one, and one end of the gas cylinder one is rotatably connected with the top end of the clamping arm.

[0007] Preferably, guide rods are arranged on the two sides of the reversible toothed ball screw, the guide rods are fixedly connected to the inner wall of the support frame, and the sliding blocks are movably connected to the outer walls of the guide rods; the reversible toothed ball screw drives the two sliding blocks to move in the reverse direction synchronously through left and right rotation threads, so that the two groups of suction cup mechanisms are adjusted at equal distances with the center of the support frame as the symmetric point, the problem of partial load caused by unilateral force is avoided, and uniform distribution of the adsorption force is ensured.

[0008] Preferably, a through hole is formed through the outer wall of the middle part of the support frame, the synchronous pulley mechanism is movably connected in the through hole, the output shaft end of the servo motor is drivingly connected with the middle outer wall of the reversible toothed ball screw through the synchronous pulley mechanism, the synchronous pulley adopts tooth-shaped meshing transmission, the slippage phenomenon of the traditional belt is eliminated, the rotation angle accuracy of the servo motor is ensured to be 1:1 transmitted to the screw rod, and the positioning deviation of the suction cup caused by transmission gap is avoided.

[0009] Preferably, the suction cup mechanism comprises a gas cylinder three, a gas control connector and a vacuum suction cup, the telescopic rod bottom end of the gas cylinder three is fixedly connected with the gas control connector, and the vacuum suction cup is fixedly connected to the bottom surface of the gas control connector; the gas cylinder three can independently control the downstroke of the vacuum suction cup, even if there is a flatness error of ±5mm on the surface of the glass, the gas cylinder can still compensate to achieve close contact, and the problem of insufficient adsorption force caused by insufficient contact is avoided.

[0010] Preferably, the side clamping mechanism further comprises a support rod, an anti-skid groove and an adjusting bolt, the support rod is fixedly connected between the outer walls of the two silica gel clamping heads, the anti-skid groove is arranged on the outer wall of the silica gel clamping head, and the adjusting bolt is threadedly connected to the lower outer wall of the clamping arm, the support rod is made of aluminum alloy, and the two silica gel clamping heads are connected to form a rigid frame, so that the bending deformation of the clamping arm is reduced, the deviation of the clamping force of the left and right clamping heads is ensured to be less than or equal to 5%, and the glass edge is prevented from being cracked due to excessive unilateral stress, the adjusting bolt is threadedly connected with the clamping arm, the vertical position of the silica gel clamping head can be manually adjusted, and the glass with a thickness of 2-10 mm can be adapted.

[0011] Preferably, the top surface of the top plate is fixedly connected with a limiting plate, and a communication groove with a diameter of 50 mm is arranged in the center of the top surface of the top plate, so that vacuum pipes, air pipes and cables can be integrated, the winding risk caused by exposed pipelines is avoided, and the appearance of the device is kept clean.

[0012] Preferably, the bottom surface of the top plate is fixedly connected with a fixed connecting plate, and the outer walls of the two ends of the connecting shaft are fixedly connected with the outer walls of the fixed connecting plate.

[0013] Preferably, the bottom surface of the connecting plate is fixedly connected with the top surface of the mounting bottom plate, and the mounting block is fixedly connected with the outer walls of the mounting bottom plate.

[0014] Preferably, the bottom surface of the connecting plate is fixedly connected with the top surface of the mounting bottom plate, and the mounting block is fixedly connected with the outer walls of the mounting bottom plate.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] 1、In the present application, the surface and edge of the glass are simultaneously constrained by the composite clamping structure vacuum chuck + silica gel side clamp, the deformation and vibration during high-speed movement or long-stroke carrying are significantly reduced, the clamping precision is improved, the risk of falling caused by single adsorption or clamping is avoided, the stepless adjustment of the distance between the chucks is realized by the adjusting mechanism through the servo motor and the forward and reverse tooth ball screw, and different large-size glasses with different length and width are compatible.

[0017] 2、In the present application, the downstroke of the chuck is independently controlled by the cylinder three of the chuck mechanism, the slight ups and downs of the glass surface are adapted, the vacuum chuck is ensured to be completely attached to the glass, the combination of the guide rod and the forward and reverse tooth ball screw realizes high displacement precision, the chuck is accurately aligned with the glass adsorption position, and the adsorption is prevented from being loose due to position deviation.

[0018] 3、The vacuum chuck adopts a flexible material, and cooperates with the self-adaptive pressing of the third air cylinder, so that surface scratches caused by hard contact are avoided; the anti-skid groove of the silica gel chuck evenly distributes the clamping force through elastic deformation, prevents the edge of the glass from being damaged, and meets the high surface precision requirement of the optical glass.

[0019] 4、The silica gel chuck is provided with an anti-skid groove on the surface, the friction force with the edge of the glass is increased, meanwhile, the elastic deformation of the silica gel material can buffer the clamping force, so that edge damage or scratches caused by rigid contact are avoided, the adjusting bolt penetrates the clamping arm, the up and down adjustment is realized, the position of the adjusting plate is fixed, the clamping height of the silica gel chuck is changed, the glasses with different thicknesses are adapted, the support rod connects the silica gel chucks on the two sides, the rigidity of the clamping structure is enhanced, and uneven clamping force caused by deformation of the clamping arm is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the large-size optical glass automatic clamping device of the application;

[0021] Figure 2 It is a large-size optical glass automatic clamping device Figure 1 The structure of A in the application is enlarged;

[0022] Figure 3 It is a schematic diagram of the side view structure of the large-size optical glass automatic clamping device of the application;

[0023] Figure 4 It is a schematic diagram of the adjusting mechanism structure of the large-size optical glass automatic clamping device of the application;

[0024] Figure 5 It is a schematic diagram of the connecting structure of the support frame of the large-size optical glass automatic clamping device of the application;

[0025] Figure 6 It is a large-size optical glass automatic clamping device Figure 5 The structure of B in the application is enlarged;

[0026] Figure 7 It is a schematic diagram of the connecting structure of the synchronous pulley mechanism of the large-size optical glass automatic clamping device of the application.

[0027] In the figure: 1, top connecting seat; 11, top plate; 12, side support plate; 13, movable slot; 14, limiting plate; 15, fixed connecting plate; 16, fixed frame; 17, air cylinder one; 18, communication slot; 2, side clamping mechanism; 21, clamping arm; 22, connecting shaft; 23, adjusting plate; 24, silica gel chuck; 25, supporting rod; 26, anti-skid groove; 27, adjusting bolt; 3, lifting mechanism; 31, air cylinder two; 32, connecting plate; 33, mounting bottom plate; 4, adjusting mechanism; 41, supporting frame; 411, guide rod; 412, positive and negative tooth ball screw; 413, sliding block; 414, through hole; 42, mounting block; 43, servo motor; 44, traction block; 45, synchronous pulley mechanism; 46, side mounting plate; 5, suction cup mechanism; 51, air cylinder three; 52, air control joint; 53, vacuum suction cup. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0029] Embodiment one: refer to Figure 1 - Figure 7As shown: a large size optical glass automatic clamping device, including top connecting seat 1, both ends of top connecting seat 1 are installed with side clamping mechanism 2, the bottom surface of top connecting seat 1 is installed with lifting mechanism 3, the bottom surface of lifting mechanism 3 is installed with adjusting mechanism 4, adjusting mechanism 4 is provided with two groups, one side of two groups of adjusting mechanism 4 is provided with three groups of suction disc mechanism 5, one of which is fixedly installed on the bottom surface of lifting mechanism 3, adjusting mechanism 4 includes support frame 41, mounting block 42, servo motor 43, traction block 44, synchronous belt pulley mechanism 45 and side plate 46, one side of mounting block 42 is fixedly connected with the outer wall of support frame 41, the bottom surface of mounting block 42 is fixedly connected with lifting mechanism 3, one end of side plate 46 is fixedly connected with the outer wall of support frame 41, servo motor 43 is fixedly connected on the outer wall of side plate 46, the inner wall of support frame 41 is rotatably connected with positive and negative tooth ball screw 412, the outer wall of positive and negative tooth ball screw 412 is threadedly sleeved with sliding block 413, one end of traction block 44 is fixedly connected with the outer wall of sliding block 413, servo motor 43 drives positive and negative tooth ball screw 412 to rotate through synchronous belt pulley mechanism 45, and then controls sliding block 413 to drive traction block 44 to move, suction disc mechanism 5 is fixedly installed on the end of traction block 44, top connecting seat 1 includes top plate 11, the bottom surface of top plate 11 is fixedly connected with side support plate 12, the top surface of clamping arm 21 is provided with movable slot 13, side clamping mechanism 2 includes clamping arm 21, connecting shaft 22, adjusting plate 23 and silica gel chuck 24, the top of clamping arm 21 is fixedly sleeved on the outer wall of connecting shaft 22, adjusting plate 23 is installed on the lower inner wall of clamping arm 21, silica gel chuck 24 is fixedly connected with the bottom end of adjusting plate 23, the bottom surface of side support plate 12 is fixedly connected with fixed frame 16, the inner wall of fixed frame 16 is rotatably connected with air cylinder one 17, the top end of clamping arm 21 is rotatably connected with the extension rod of air cylinder one 17.

[0030] In this embodiment, when clamping large size optical glass, the bottom end of suction disc mechanism 5 is moved above the optical glass by controlling adjusting mechanism 4 and suction disc mechanism 5 to move down through lifting mechanism 3, auxiliary servo motor 43 drives positive and negative tooth ball screw 412 to rotate to control the traction blocks 44 at both ends of support frame 41 to move synchronously towards the middle or to both ends, so as to adjust the distance between the two suction disc mechanisms 5, so that the six groups of suction disc mechanisms 5 accurately cover the suction position of the optical glass, and adapt to different sizes and shapes of glass, and then the optical glass is vacuum adsorbed on the surface through the self-pressing of suction disc mechanism 5, so as to realize stable adsorption and fixation, then the suction disc mechanism 5 is lifted through the case of lifting mechanism 3, and the clamping arm 21 is rotated on both sides of top connecting seat 1 through the auxiliary control of air cylinder one 17, the glass edge is clamped and fixed through silica gel chuck 24, the main adsorption force is provided through vacuum suction disc 53, and the side clamping mechanism 2 assists in restraining the edge, so as to reduce the vibration and deformation during high-speed movement or long-stroke carrying, and improve the clamping precision.

[0031] Example two: according to Figures 4-7As shown, the two sides of the positive and negative tooth ball screw 412 are provided with guide rods 411, which are fixedly connected to the inner wall of the support frame 41. The sliding blocks 413 are movably connected to the outer wall of the guide rods 411. The middle outer wall of the support frame 41 is provided with a through hole 414. The synchronous belt pulley mechanism 45 is movably connected to the inside of the through hole 414. The output shaft end of the servo motor 43 is drivingly connected to the middle outer wall of the positive and negative tooth ball screw 412 through the synchronous belt pulley mechanism 45. The suction cup mechanism 5 includes a cylinder three 51, a gas control joint 52, and a vacuum suction cup 53. The bottom end of the telescopic rod of the cylinder three 51 is fixedly connected to the gas control joint 52. The vacuum suction cup 53 is fixedly connected to the bottom surface of the gas control joint 52.

[0032] In this embodiment, the guide rods 411 are arranged in parallel with the positive and negative tooth ball screw 412. When the screw rod rotates, the two side sliding blocks 413 slide in opposite directions along the guide rods 411, ensuring that the traction block 44 moves synchronously and stably. The synchronous belt pulley mechanism 45 transmits the power of the servo motor 43 and connects the screw rod through the through hole 414, realizing gapless transmission and avoiding the return error of traditional gear transmission. The cylinder three 51 of the suction cup mechanism 5 can independently control the suction cup downstroke, adapt to the slight undulation of the glass surface, ensure that the vacuum suction cup 53 is completely attached to the glass, and realize high displacement precision through the combination of the guide rods 411 and the positive and negative tooth ball screw 412, ensuring that the suction cup is accurately aligned with the glass suction position and avoiding suction instability caused by position deviation. The synchronous belt pulley mechanism 45 reduces transmission noise and vibration, guides with the guide rods 411, improves the stability of the adjustment process, and is suitable for clamping high-precision optical glass.

[0033] Embodiment three: according to Figure 1 Figure 4 As shown, the side clamping mechanism 2 further includes a support rod 25, an anti-skid groove 26, and an adjusting bolt 27. The support rod 25 is fixedly connected between the outer walls of the two silica gel clamps 24. The anti-skid groove 26 is formed in the outer wall of the silica gel clamp 24. The adjusting bolt 27 is threadedly connected to the lower outer wall of the clamping arm 21. The top surface of the top plate 11 is fixedly connected with a limiting plate 14. A communication groove 18 is formed in the center of the top surface of the top plate 11. The bottom surface of the top plate 11 is fixedly connected with a fixed connecting plate 15. The two ends of the connecting shaft 22 are fixedly connected to the outer wall of the fixed connecting plate 15. The lifting mechanism 3 includes a cylinder two 31, a connecting plate 32, and a mounting bottom plate 33. The cylinder two 31 is fixedly installed at the center of the bottom surface of the top plate 11. The bottom end of the telescopic rod of the cylinder two 31 is fixedly connected to the top surface of the connecting plate 32. The bottom surface of the connecting plate 32 is fixedly connected to the top surface center of the mounting bottom plate 33. The mounting block 42 is fixedly connected to the outer wall of the mounting bottom plate 33.

[0034] ​In this embodiment, the surface of the silica gel chuck 24 is provided with anti-skid grooves 26 to increase the friction with the edge of the glass. Meanwhile, the elastic deformation of the silica gel material can buffer the clamping force, avoiding edge damage or scratches caused by rigid contact. The adjusting bolt 27 penetrates the clamping arm 21 to achieve up and down adjustment and fix the position of the adjusting plate 23, change the clamping height of the silica gel chuck 24, and adapt to different thicknesses of glass. The strut 25 connects the two silica gel chucks 24 to enhance the rigidity of the clamping structure and prevent uneven clamping force caused by deformation of the clamping arm 21. The silica gel material and the anti-skid grooves 26 solve the problem of easy scratching of the glass surface by traditional metal chucks. At the same time, the anti-skid grooves 26 increase the friction coefficient to prevent the glass from sliding during clamping. The adjusting bolt 27 can quickly adjust the position of the chuck without the need to replace hardware, improving the versatility of the device for different specifications of glass and reducing the cost of changing models.

[0035] The method for using the device and the working principle are as follows: the lifting mechanism 3 controls the adjusting mechanism 4 and the suction cup mechanism 5 to move downward, so that the bottom end of the suction cup mechanism 5 moves above the optical glass, the auxiliary servo motor 43 drives the positive and negative tooth ball screw 412 to rotate to control the traction blocks 44 at both ends of the support frame 41 to move synchronously to the middle or to both ends, so as to adjust the distance between the suction cup mechanisms 5 at both ends, then the suction cup mechanism 5 is independently pressed downward to be vacuum adsorbed to the surface of the optical glass, then the suction cup mechanism 5 is lifted by the lifting mechanism 3, the clamping arm 21 is rotated on the both sides of the top connecting seat 1 by the auxiliary control of the air cylinder one 17, the glass edge is clamped and fixed by the silica gel chuck 24, the main adsorption force is provided by the vacuum suction cup 53, the side clamping mechanism 2 assists in restraining the edge, after clamping is completed, the lifting mechanism 3 lifts the device, and the glass is carried by the external mechanical arm; when the glass is released, the vacuum adsorption is disconnected first, then the side clamping is loosened by the air cylinder one 17, the unloading is completed, the guide rod 411 and the positive and negative tooth ball screw 412 are arranged in parallel, when the screw rod rotates, the sliding blocks 413 at both sides slide reversely along the guide rod 411, the synchronous pulley mechanism 45 transmits the power of the servo motor 43, the screw rod is connected through the through hole 414, gapless transmission is realized, the return error of the traditional gear transmission is avoided, the air cylinder three 51 of the suction cup mechanism 5 can independently control the suction cup downward stroke, the slight ups and downs of the glass surface are adapted, the vacuum suction cup 53 is ensured to be completely attached to the glass, the combination of the guide rod 411 and the positive and negative tooth ball screw 412 realizes high displacement precision, the suction cup is ensured to be accurately aligned with the glass adsorption position, the synchronous pulley mechanism 45 reduces transmission noise and vibration, cooperates with the guide of the guide rod 411, and improves the stability of the adjusting process, is suitable for clamping the high-precision optical glass, the anti-skid groove 26 is arranged on the surface of the silica gel chuck 24, the friction force with the glass edge is increased, meanwhile, the elastic deformation of the silica gel material can buffer the clamping force, edge damage or scratches caused by rigid contact are avoided, the adjusting bolt 27 penetrates through the clamping arm 21, realizes up and down adjustment, fixes the position of the adjusting plate 23, changes the clamping height of the silica gel chuck 24, adapts to glasses with different thicknesses, the support rod 25 connects the silica gel chucks 24 at both sides, enhances the rigidity of the clamping structure, prevents uneven clamping force caused by deformation of the clamping arm 21, the silica gel material and the anti-skid groove 26 solve the problem that the traditional metal chuck easily scratches the surface of the glass, meanwhile, the anti-skid groove 26 increases the friction coefficient, the chuck position can be quickly adjusted through the adjusting bolt 27, and there is no need to replace hardware.

[0036] Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A large-size optical glass automatic clamping device comprising a top connecting seat (1), characterized in that: The bottom surface of the top connecting seat (1) is provided with a side clamping mechanism (2), the bottom surface of the top connecting seat (1) is provided with a lifting mechanism (3), the bottom surface of the lifting mechanism (3) is provided with an adjusting mechanism (4), the adjusting mechanism (4) is provided with two groups, one side of the two groups of adjusting mechanisms (4) is provided with three groups of suction disc mechanisms (5), one group of suction disc mechanisms (5) is fixedly installed on the bottom surface of the lifting mechanism (3); the adjusting mechanism (4) comprises a supporting frame (41), a mounting block (42), a servo motor (43), a traction block (44), a synchronous belt pulley mechanism (45) and a side plate (46), one side of the mounting block (42) is fixedly connected with the outer wall of the supporting frame (41), the bottom surface of the mounting block (42) is fixedly connected with the lifting mechanism (3), one end of the side plate (46) is fixedly connected with the outer wall of the supporting frame (41), the servo motor (43) is fixedly connected with the outer wall of the side plate (46), the inner wall of the supporting frame (41) is rotatably connected with a reversible tooth ball screw (412), the outer wall of the reversible tooth ball screw (412) is threadedly sleeved with a sliding block (413), one end of the traction block (44) is fixedly connected with the outer wall of the sliding block (413), the servo motor (43) drives the reversible tooth ball screw (412) to rotate through the synchronous belt pulley mechanism (45), and then the sliding block (413) drives the traction block (44) to move, the suction disc mechanism (5) is fixedly installed on the end of the traction block (44), the top connecting seat (1) comprises a top plate (11), the bottom surface of the top plate (11) is fixedly connected with a side support plate (12), the top surface of the clamping arm (21) is provided with a movable groove (13), the side clamping mechanism (2) comprises a clamping arm (21), a connecting shaft (22), an adjusting plate (23) and a silica gel chuck (24), the top of the clamping arm (21) is fixedly sleeved on the outer wall of the connecting shaft (22), the adjusting plate (23) is installed on the lower inner wall of the clamping arm (21), the silica gel chuck (24) is fixedly connected with the bottom end of the adjusting plate (23), the bottom surface of the side support plate (12) is fixedly connected with a fixing frame (16), the inner wall of the fixing frame (16) is rotatably connected with a first air cylinder (17), and one end of the telescopic rod of the first air cylinder (17) is rotatably connected with the top end of the clamping arm (21); The reversible tooth ball screw (412) is provided with guide rods (411) on both sides, the guide rods (411) are fixedly connected with the inner wall of the supporting frame (41), and the sliding block (413) is movably connected with the outer wall of the guide rods (411); The middle part of the outer wall of the supporting frame (41) is provided with a through hole (414), the synchronous belt pulley mechanism (45) is movably connected in the through hole (414), and the output shaft end of the servo motor (43) is drivingly connected with the middle part of the outer wall of the reversible tooth ball screw (412) through the synchronous belt pulley mechanism (45); The suction disc mechanism (5) comprises a third air cylinder (51), an air control joint (52) and a vacuum suction disc (53), the bottom end of the telescopic rod of the third air cylinder (51) is fixedly connected with the air control joint (52), and the vacuum suction disc (53) is fixedly connected with the bottom surface of the air control joint (52). The side clamping mechanism (2) further comprises a supporting rod (25), an anti-skid groove (26) and an adjusting bolt (27), the supporting rod (25) is fixedly connected between the outer walls of the two silica gel clamping heads (24), the anti-skid groove (26) is arranged on the outer wall of the silica gel clamping head (24), and the adjusting bolt (27) is threadedly connected to the lower outer wall of the clamping arm (21).

2. The automatic clamping device for large-sized optical glass according to claim 1, characterized in that: The top surface of the top plate (11) is fixedly connected with a limiting plate (14), and a communication groove (18) is arranged at the center of the top surface of the top plate (11).

3. The automatic clamping device for large-sized optical glass according to claim 2, characterized in that: The bottom surface of the top plate (11) is fixedly connected with a fixed connecting plate (15), and the outer wall of the fixed connecting plate (15) is fixedly connected with both ends of the connecting shaft (22).

4. The automatic clamping device for large-sized optical glass according to claim 1, characterized in that: The lifting mechanism (3) comprises a second air cylinder (31), a connecting plate (32) and a mounting bottom plate (33), the second air cylinder (31) is fixedly installed at the center of the bottom surface of the top plate (11), and the bottom end of the telescopic rod of the second air cylinder (31) is fixedly connected with the top surface of the connecting plate (32).

5. The automatic gripping device for large-sized optical glass according to claim 4, wherein: The bottom surface of the connecting plate (32) is fixedly connected with the top surface center of the mounting bottom plate (33), and the mounting block (42) is fixedly connected with the outer wall of the mounting bottom plate (33).

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