Large aperture optical element loading and unloading platform and carrying device

Abstract

The application discloses a large-diameter optical element upper and lower machine table and carrying device, which comprises a hydraulic lifting mechanism, a manual lifting fine adjustment mechanism, a fine adjustment assembly and a vacuum assembly for adsorbing products, the manual lifting fine adjustment mechanism is arranged on one side of the hydraulic lifting mechanism; the fine adjustment assembly comprises a lifting mounting plate, a manual angle fine adjustment mechanism and two symmetrically arranged product protection mechanisms, the lifting mounting plate is connected with the front end of the manual lifting fine adjustment mechanism, the manual angle fine adjustment mechanism is arranged on the top end face of the lifting mounting plate, and the product protection mechanisms are arranged in the clamping device at the front end of the lifting mounting plate; the vacuum assembly is connected with the lifting mounting plate through a connecting square tube, and the vacuum assembly and the manual angle fine adjustment mechanism are connected through a steel wire rope; the application solves the problem that the products are damaged and scrapped due to improper manual carrying mode in the precise machining process of the optical element, guarantees the safety problem in the product carrying process, improves the production efficiency and saves the labor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of precision machining equipment, in particular to an optical element upper and lower machine table and carrying device. BACKGROUND

[0002] Ultra-precision large aperture optical elements are indispensable key basic components in the fields of aerospace and military defense, and are widely used in large astronomical telescopes, laser nuclear fusion devices, infrared thermal imaging, medical imaging equipment and other civilian and defense cutting-edge technology fields. It needs to be processed by rough grinding, fine grinding, polishing and other processes to achieve the required flatness and roughness.

[0003] At present, most of the machining of large aperture plane optical elements is carried out by manual carrying, and due to the large size and heavy weight of the product, as well as the high price, the manual carrying method has the risk of impact and falling, which can easily cause damage to the product, and the manual carrying method has low production efficiency. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a large aperture optical element upper and lower machine table and carrying device, which can solve the problem of product damage caused by improper carrying during the precision machining of optical elements.

[0005] To solve the above technical problems, the technical solutions adopted by the present application are as follows.

[0006] A large aperture optical element upper and lower machine table and carrying device, comprising a hydraulic lifting mechanism, a manual lifting fine adjustment mechanism, a fine adjustment assembly for adjusting the position relationship between the product and the machining platform, and a vacuum assembly for adsorbing the product, the manual lifting fine adjustment mechanism being arranged on one side of the hydraulic lifting mechanism; the fine adjustment assembly comprises a lifting mounting plate, a manual angle fine adjustment mechanism and two symmetrical product protection mechanisms, the lifting mounting plate being connected with the front end of the manual lifting fine adjustment mechanism, the manual angle fine adjustment mechanism being arranged on the top end face of the lifting mounting plate and moving with the lifting mounting plate, and the product protection mechanism being arranged in the clamping device at the front end of the lifting mounting plate and being able to rotate in the horizontal plane; the vacuum assembly is connected with the lifting mounting plate through a connecting square tube, and the vacuum assembly and the manual angle fine adjustment mechanism are connected through a steel wire rope to realize the adjustment of the position relationship between the product and the platform.

[0007] The above-mentioned large aperture optical element upper and lower machine table and carrying device, the manual lifting fine adjustment mechanism comprises an installation bottom plate connected with the hydraulic lifting mechanism through a pin shaft, a lead screw assembly and a cylindrical linear guide rail matched with the fine adjustment assembly; the two sides of the front face of the installation bottom plate are respectively provided with vertical cylindrical linear guide rails, and the middle position of the installation bottom plate is provided with a lead screw assembly connected through upper and lower support plates; the upper and lower ends of the lead screw assembly are respectively assembled with the support plates on the installation bottom plate through bearings.

[0008] The large-diameter optical element up-and-down machine table and carrying device, the lifting mounting plate is connected with the screw assembly through the intermediate support block, and sliding blocks slidingly fitted with the cylindrical linear guide rails on the mounting bottom plate are arranged on both sides of the back of the lifting mounting plate; one end of the connecting square tube is fixedly arranged at the middle position of the front end of the lifting mounting plate, and clamping devices fitted with the product protection mechanism are arranged at the middle positions of both sides of the front end of the lifting mounting plate.

[0009] The large-diameter optical element up-and-down machine table and carrying device, the manual angle fine adjustment mechanism comprises a support seat arranged on the top end surface of the lifting mounting plate, two bearing seats are symmetrically arranged on the support seat, and a connecting shaft is axially arranged between the two bearing seats; two ring-groove rollers are arranged at the middle position of the connecting shaft, a steel wire rope connected with the vacuum assembly is wound around the rollers, and a rotating handle is arranged on one side of the connecting shaft, which is used for controlling the rotation of the rollers to realize the angle change of the product.

[0010] The large-diameter optical element up-and-down machine table and carrying device, the clamping device comprises a C-shaped clamping block, and the product protection mechanism comprises a Z-shaped rotating support arranged in the C-shaped clamping block and mounted through a limiting shaft; a plurality of support rollers are arranged on the bottom end surface of the rotating support, a blocking wheel is vertically arranged at the front end of the bottom of the rotating support, and a handle for controlling the rotation of the rotating support is arranged on the side surface of the bottom of the rotating support; the C-shaped clamping block and the upper cross bar of the rotating support are limited by limiting nails.

[0011] The large-diameter optical element up-and-down machine table and carrying device, the two product protection mechanisms are positioned through a connecting rod, and a roller is arranged on the connecting rod.

[0012] The large-diameter optical element up-and-down machine table and carrying device, the vacuum assembly comprises a mounting support inserted between the two connecting square tubes on the lifting mounting plate and positioned through a pin shaft; a plurality of vacuum suction cups connected through connecting arms are connected around the base of the mounting support, lifting lugs are arranged on the top end surface of the four corners of the base of the mounting support, and the lifting lugs are connected with the rollers through the steel wire ropes.

[0013] Thanks to the above technical solutions, the technical progress achieved by the application is as follows.

[0014] The large-diameter optical element up-and-down machine table and carrying device provided by the application solves the problem of product damage and scrapping caused by improper manual carrying during the precision machining of optical elements, ensures the safety during product carrying, improves the production efficiency, and saves labor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The specific structure of the application is shown in the figure;

[0016] Figure 2 This is a schematic diagram of the manual lifting and fine-tuning mechanism described in this invention;

[0017] Figure 3 This is a schematic diagram of the structure of the fine-tuning component described in this invention;

[0018] Figure 4 This is a schematic diagram of the manual angle fine-tuning mechanism described in this invention;

[0019] Figure 5 This is a schematic diagram of the product protection mechanism described in this invention;

[0020] Figure 6 This is a schematic diagram of the structure of the vacuum assembly described in this invention.

[0021] The components include: 1. Hydraulic lifting mechanism, 2. Manual lifting and fine-tuning mechanism, 3. Manual angle fine-tuning mechanism, 4. Product protection mechanism, 5. Vacuum assembly, 6. Cylindrical linear guide rail, 7. Mounting base plate, 8. Screw assembly, 9. Support plate, 10. Lifting mounting plate, 11. Slider, 12. C-shaped clamping block, 13. Limiting shaft, 14. Connecting square tube, 15. Limiting pin, 16. Connecting rod, 17. Support seat, 18. Bearing seat, 19. Connecting shaft, 20. Roller, 21. Rotary handwheel, 22. Rotary bracket, 23. Support roller, 24. Handle, 25. Stop wheel, 26. Mounting bracket, 27. Vacuum suction cup, 28. Lifting lug. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] A device for loading and unloading large-aperture optical elements and for handling them, such as Figures 1 to 6 As shown, it includes a hydraulic lifting mechanism 1 controlled by a hydraulic pump. A manual lifting fine-tuning mechanism 2 is connected to one side of the hydraulic lifting mechanism 1. The fine-tuning component is connected to the front end of the manual lifting fine-tuning mechanism 2 and is controlled by the manual lifting fine-tuning mechanism 2. At the same time, the fine-tuning component is connected to the vacuum component 5 of the adsorption product through the connecting square tube 14.

[0024] The manual lifting and fine-tuning mechanism 2 includes a mounting base plate 7. A connecting lug is provided on the back of the mounting base plate 7, which is connected to the hydraulic lifting mechanism 1 via a pin. Guide wheels are also provided on the back of the mounting base plate 7 to provide rolling guidance on the two side columns of the hydraulic lifting mechanism 1. Figure 1 As shown, vertical cylindrical linear guide rails 6 are respectively provided on both sides of the front of the mounting base plate 7, and a lead screw assembly 8 connected by a support plate 9 is provided in the middle of the mounting base plate 7; the upper and lower ends of the lead screw assembly 8 are respectively assembled with the support plate 9 through bearings, and the product can be lifted and finely adjusted by manually controlling the upper end of the lead screw assembly.

[0025] The fine adjustment assembly comprises a lifting mounting plate 10, a manual angle fine adjustment mechanism 3 arranged above the lifting mounting plate, and a product protection mechanism 4, as shown in Figure 3 The back of the lifting mounting plate 10 is provided with a sliding block 11 slidingly fitted with a cylindrical linear guide rail 6, and the lifting mounting plate 10 is connected with a lead screw assembly 8 through an intermediate connecting block, so that the lifting mounting plate 10 can be moved up and down under the driving of the lead screw assembly 8; the front end of the lifting mounting plate 9 is connected with the product protection mechanism 4 through a clamping device composed of C-shaped clamping blocks 12 on both sides, and two connecting square tubes 14 connected with the vacuum assembly 5 are arranged at the middle position of the lifting mounting plate 9.

[0026] The manual angle fine adjustment mechanism 3 comprises a support seat 17 arranged on the top end face of the lifting mounting plate 10, as shown in Figure 4 The left and right ends of the support seat 17 are symmetrically provided with two bearing seats 18, a connecting shaft 19 is axially arranged between the two bearing seats 18, two roller wheels 20 with annular grooves are arranged at the middle position of the connecting shaft 19, a steel wire rope passes through the roller wheels 20 and is connected with the vacuum assembly 5; one end of the connecting shaft 14 is connected with a rotating hand wheel 16, and by controlling the rotating hand wheel 16, the vacuum assembly 5 connected with the steel wire rope is slightly changed in angle, so as to adjust the positional relationship between the product and the workbench face.

[0027] The product protection mechanism 4 comprises a Z-shaped rotating bracket 22, as shown in Figure 3 The upper part of the rotating bracket 22 passes through the C-shaped clamping block 12 on the lifting mounting plate 10 through a limiting shaft 13 and can rotate in the horizontal direction; the bottom end face of the rotating bracket 22 is arranged with support roller wheels 23 for buffering, as shown in Figure 4 The bottom front end of the rotating bracket 22 is vertically provided with a stop wheel 25, which can play a secondary protection role to prevent the product from falling due to accidental circumstances; the side surface of the bottom of the rotating bracket 22 is provided with a handle 24 for conveniently rotating the product protection mechanism 4. In addition, the front end of the horizontal rod of the rotating bracket 22 is provided with a limiting hole, the front end of the C-shaped clamping block 12 in the clamping device is provided with a circular arc-shaped limiting hole, and a limiting pin 15 is inserted into the corresponding holes of the C-shaped clamping block and the rotating bracket to limit the product protection mechanism. At the same time, during the product carrying process, the product protection mechanism 4 needs to be rotated to the position directly below the product, and the two product protection mechanisms 4 are locked through the connecting rod 16 with the roller to prevent the mechanism from opening during the moving process.

[0028] The vacuum assembly 5 comprises a mounting bracket 26, vacuum suction cups 27 controlled by a vacuum pump and lifting lugs 28 arranged at four corners of the base of the mounting bracket 26, the mounting bracket 26 is inserted between the two connecting square tubes 14 and positioned by a pin shaft; the base of the mounting bracket 26 is connected with four product suction cups 27 through connecting arms respectively, and the product suction cups 27 are located directly above the product protection mechanism 4; the lifting lugs 28 are connected with the roller 20 in the manual angle fine adjustment mechanism 3 through a steel wire rope, and the position relationship between the product and the platform is adjusted by rotating the hand wheel 21.

[0029] The specific operation steps of the present application are as follows.

[0030] Firstly, the vacuum assembly is started, and after the pressure value of the operation box reaches the required value, the product is controlled to be adsorbed by the vacuum suction cup, then the product is moved above the processing platform by the forklift controlled hydraulic lifting mechanism, and the product protection mechanism is rotated to be directly below the product and locked by the connecting rod and the pin shaft, playing a secondary protection role.

[0031] When it is observed that the product approaches the position of the processing platform, the hydraulic lifting mechanism is stopped, the connecting rod and the limiting peg in the two product protection mechanisms are removed, and the product protection mechanism is opened. Then the screw rod assembly in the manual lifting fine adjustment mechanism is manually controlled to move the product up and down, realizing the lifting fine adjustment of the product, and the position relationship between the product and the processing platform is observed, the angle fine adjustment of the vacuum assembly is realized by the rotating hand wheel in the manual angle fine adjustment mechanism, so that the product can be smoothly placed on the processing platform, realizing the processing of the product.

[0032] When the product processing is completed, the product is first adsorbed by the vacuum suction cup, then the processed product is separated from the processing platform by operating the manual lifting fine adjustment mechanism and the manual angle fine adjustment mechanism, then the product protection mechanism is rotated again to be directly below the product and locked by the connecting rod and the limiting peg, and the processed product is transferred to a suitable position by the forklift controlled hydraulic lifting mechanism.

[0033] The present application provides a large-diameter optical element up-down machine and a carrying device, which solves the problem of product damage and scrapping caused by improper manual carrying during the precision processing of optical elements, ensures the safety during product carrying, improves production efficiency and saves labor.

Claims

1. A large aperture optical element loading and unloading platform and handling device, characterized by: The hydraulic lifting mechanism (1), the manual lifting fine adjustment mechanism (2), the fine adjustment assembly for adjusting the position relationship between the product and the processing platform, and the vacuum assembly (5) for adsorbing the product are included, and the manual lifting fine adjustment mechanism (2) is arranged on one side of the hydraulic lifting mechanism (1); the fine adjustment assembly includes the lifting mounting plate (10), the manual angle fine adjustment mechanism (3), and two symmetrical product protection mechanisms (4), the lifting mounting plate (10) is connected with the front end of the manual lifting fine adjustment mechanism (2), the manual angle fine adjustment mechanism (3) is arranged on the top end face of the lifting mounting plate (10) and moves with the lifting mounting plate, and the product protection mechanism (4) is arranged in the clamping device of the front end of the lifting mounting plate (10) and can rotate in the horizontal plane; the vacuum assembly (5) is connected with the lifting mounting plate (10) through the connecting square tube (14), and the vacuum assembly (5) and the manual angle fine adjustment mechanism (4) are connected through a steel wire rope to realize the adjustment of the position relationship between the product and the platform; The manual lifting fine adjustment mechanism (2) includes the mounting bottom plate (7) connected with the hydraulic lifting mechanism (1) through a pin shaft, the lead screw assembly (8), and the cylindrical linear guide rail (6) matched with the fine adjustment assembly; the vertical cylindrical linear guide rail (6) is arranged on the front face of the mounting bottom plate (7) on both sides, respectively, the lead screw assembly (8) is arranged at the middle position of the mounting bottom plate (7) and connected with the upper and lower support plates (9); the upper and lower ends of the lead screw assembly (8) are respectively assembled with the support plates (9) on the mounting bottom plate through bearings; The lifting mounting plate (10) is connected with the lead screw assembly (8) through the middle support block, and the sliding blocks (11) slidably assembled with the cylindrical linear guide rails (6) on the mounting bottom plate are arranged on both sides of the back of the lifting mounting plate (10); one end of the connecting square tube (14) is fixedly arranged at the middle position of the front end of the lifting mounting plate (10), and the clamping devices matched with the product protection mechanisms (4) are arranged at the middle positions of the front end of the lifting mounting plate (10) on both sides; The manual angle fine adjustment mechanism (3) includes the support seat (17) arranged on the top end face of the lifting mounting plate, two bearing seats (18) are symmetrically arranged on the left and right sides of the support seat (17), and a connecting shaft (19) is axially assembled between the two bearing seats (18); two ring-groove rollers (20) are arranged at the middle position of the connecting shaft (19), a steel wire rope connected with the vacuum assembly (5) is wound around the rollers (20), and a rotating handle (21) is arranged on one side of the connecting shaft (19) to control the rotation of the rollers (20) to realize the angle change of the product.

2. The loading and unloading device for large aperture optical elements according to claim 1, characterized in that: The clamping device comprises a C-shaped clamping block (12), and the product protection mechanism (4) comprises a Z-shaped rotating support (22) inserted into the C-shaped clamping block and installed through a limiting shaft (13); a plurality of supporting rollers (23) are arranged on the bottom end face of the rotating support (22), a blocking wheel (25) is vertically arranged at the front end of the bottom of the rotating support (22), and a handle (24) for controlling the rotation of the rotating support (22) is arranged on the side of the bottom of the rotating support (22); the upper cross bar of the C-shaped clamping block (12) and the rotating support (22) is limited through a limiting nail (15).

3. The loading and unloading device for large aperture optical elements according to claim 2, characterized in that: The two product protection mechanisms (4) are positioned through a connecting rod (16), and a roller is sleeved on the connecting rod.

4. The loading and unloading platform and carrying device for large aperture optical elements according to claim 1, characterized in that: The vacuum assembly (5) comprises a mounting support (26) inserted between two connecting square tubes (14) on the lifting mounting plate and positioned through a pin shaft; a vacuum chuck (27) connected through a connecting arm is connected around the base of the mounting support (26), respectively; lugs (28) are arranged on the four corners of the top end face of the base of the mounting support (26), respectively; the lugs (28) are connected with the rollers (20) through steel wires.

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