Universal flexible feeding and discharging machine for lenses

Abstract

The utility model discloses a universal flexible feeding and discharging machine for lenses. The universal flexible feeding and discharging machine comprises a case; the material conveying unit comprises a rack, a feeding unit and a discharging unit and is used for achieving conveying feeding of an idle stock bin and conveying discharging of a full-load stock bin, a plurality of sliding grooves used for bearing material discs are formed in the stock bins, and the material discs are used for containing lenses; the material butt joint unit comprises a first linear motion unit, a first mounting seat and a third conveying line and is used for being in butt joint with the feeding unit or the discharging unit to transfer the stock bin; and the material pushing unit comprises a second mounting base, a fourth conveying line, a second linear motion unit, a third mounting base, a position sensor, an air cylinder and a push plate, and after the position sensor detects the material disc, the push plate is driven by the air cylinder to ascend and is driven by the second linear motion unit to push the material disc into the corresponding sliding groove of the material bin on the third conveying line. The device is beneficial to improving the working efficiency and reducing the labor cost, has the characteristic of flexible processing, can adapt to product changes, and is high in flexibility.

Description

Technical Field

[0001] This utility model belongs to the technical field of material conveying equipment, specifically relating to a universal flexible loading and unloading machine for lenses. Background Technology

[0002] Current technologies typically employ manual labor or specialized machinery for loading and unloading, which is suitable when the product is relatively simple and the output is low. However, with continuous social progress and development, manual loading and unloading can lead to excessive labor intensity, low work efficiency, and high labor costs. Moreover, the product quality using manual loading and unloading is not consistent enough to meet the requirements of large-scale, high-quality production. Specialized machinery, on the other hand, is usually complex in structure, inconvenient to maintain, unsuitable for automated production lines, and lacks flexible processing characteristics, making it difficult to adapt to product changes and adjust product structures. In other words, it is difficult to quickly adjust production processes and production lines, lacking a high degree of flexibility in the production process. Utility Model Content

[0003] The purpose of this invention is to address the above-mentioned problems by proposing a universal flexible loading and unloading machine for lenses, which helps to improve work efficiency, reduce labor costs, and has the characteristics of flexible processing, adapting to product changes and being highly flexible.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] This utility model proposes a universal flexible loading and unloading machine for lenses, comprising a chassis, a material conveying unit, a material docking unit, and a pushing unit, wherein:

[0006] The material conveying unit includes a frame, a feeding unit, and a discharging unit. The frame is connected to the chassis. The feeding unit and the discharging unit are installed side by side on the frame in a vertical direction. The feeding unit is used to feed materials into an empty hopper, and the discharging unit is used to feed materials out of a full hopper. Several chutes for supporting trays are arranged side by side in a vertical direction on the hopper. The trays are used to hold lenses.

[0007] The material docking unit includes a first linear motion unit, a first mounting base, and a third conveyor line. The first linear motion unit is connected to the chassis and is used to drive the first mounting base to move in the vertical direction. The third conveyor line is connected to the first mounting base and is used to dock with the loading unit or unloading unit to realize the transfer of the silo.

[0008] The pushing unit includes a second mounting base, a fourth conveyor line, a second linear motion unit, a third mounting base, a position sensor, a cylinder, and a push plate. The second mounting base is connected to the chassis. The fourth conveyor line and the third mounting base are both connected to the second mounting base. The second linear motion unit is connected to the third mounting base and is used to drive the cylinder to move in the horizontal direction. The cylinder is used to drive the push plate to move in the vertical direction. The position sensor is connected to the push plate. When the position sensor detects the material tray being conveyed on the fourth conveyor line, the push plate is driven by the cylinder to rise and, driven by the second linear motion unit, pushes the material tray into the corresponding chute of the hopper on the third conveyor line.

[0009] Preferably, the feeding unit includes a first conveyor line, a first baffle, and a first limiting unit. The first conveyor line is connected to the frame, the first baffle is connected to the first conveyor line and is used to guide and limit the hopper on the first conveyor line, and the first limiting unit is connected to the first conveyor line and is used to detect the position of the hopper on the first conveyor line. The unloading unit includes a second conveyor line, a second baffle, and a second limiting unit. The second conveyor line is connected to the frame, the second baffle is connected to the second conveyor line and is used to guide and limit the hopper on the second conveyor line, and the second limiting unit is connected to the second conveyor line and is used to detect the position of the hopper on the second conveyor line. The feeding unit is located above the unloading unit.

[0010] Preferably, each conveyor line is a synchronous belt conveyor and is equipped with a tensioning mechanism for tensioning the synchronous belt.

[0011] Preferably, the second mounting base is further provided with a plurality of first oblong holes and a plurality of second oblong holes, the third mounting base is adjusted in horizontal position relative to the second mounting base by screws passing through the first oblong holes, and the fourth conveyor line is adjusted in vertical position relative to the second mounting base by screws passing through the second oblong holes.

[0012] Preferably, the tray has a mounting groove for placing lenses, and the mounting groove is a stepped through hole.

[0013] Preferably, the material docking unit further includes a third limiting unit, which is located on the side of the third conveyor line away from the loading unit or unloading unit, and is used to detect the position of the hopper on the third conveyor line.

[0014] Preferably, each linear motion unit is a lead screw and nut mechanism or a pneumatic push rod.

[0015] Preferably, the hopper is also equipped with a handle.

[0016] Preferably, the material conveying unit, the material docking unit, and the material pushing unit are all built into the chassis.

[0017] Preferably, the side wall of the chassis is equipped with a display screen, the top wall of the chassis is equipped with a warning light, and the bottom wall of the chassis is equipped with multiple feet and multiple casters.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] The device includes a chassis, a material conveying unit, a material docking unit, and a pushing unit, which helps to improve work efficiency, reduce labor costs, and has flexible processing characteristics, enabling it to adapt to product changes and offering high flexibility. Specifically, the enclosed chassis enables dust prevention during lens loading and unloading, ensuring lens cleanliness. The loading and unloading units of the material conveying unit are arranged in upper and lower layers, reducing the footprint. The first linear motion unit and the third conveyor line on the material docking unit work together to connect the loading, unloading, and pushing units. In other words, a single third conveyor line can connect three workstations. The hopper has stacking space for multiple trays, and the pushing unit loads the trays, reducing frequent operations on individual trays and saving processes. It can completely replace manual loading and unloading operations, helping to reduce equipment production and labor costs, improve work efficiency and production quality. Compared to existing specialized machines, the structure is simpler and more compact, easier to maintain. In addition, it can meet the needs of automated production lines, enabling flexible production. Simply changing the tray or the lenses on the tray according to different lens specifications allows for quick adjustments to the production process and production line to adapt to product changes. It has high flexibility and versatility, meeting the needs of large-volume, high-quality production. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the general-purpose flexible lens loading and unloading machine of this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the universal flexible lens loading and unloading machine of this utility model;

[0022] Figure 3 This is a top view of the internal structure of the universal flexible lens loading and unloading machine of this utility model;

[0023] Figure 4 This is a schematic diagram of the material conveying unit of this utility model;

[0024] Figure 5 This is a schematic diagram of the material docking unit of this utility model;

[0025] Figure 6 This is a first-view structural diagram of the feeding unit of this utility model;

[0026] Figure 7 This is a second-view structural diagram of the feeding unit of this utility model;

[0027] Figure 8 This is a schematic diagram of the structure of the silo of this utility model.

[0028] Explanation of reference numerals in the attached drawings: 1. Chassis; 2. Material conveying unit; 3. Material docking unit; 4. Pushing unit; 5. Hopper; 6. Material tray; 11. Display screen; 12. Warning light; 13. Foot; 14. Roller; 21. Frame; 22. Loading unit; 23. Unloading unit; 221. First conveyor line; 222. First baffle; 223. First limiting unit; 231. Second conveyor line; 232. Second baffle; 233. Second limiting unit; 31. First linear motion unit; 32. First mounting base; 33. Third conveyor line; 34. Third limiting unit; 35. Tensioning mechanism; 41. Second mounting base; 42. Fourth conveyor line; 43. Second linear motion unit; 44. Third mounting base; 45. Position sensor; 46. Cylinder; 47. Push plate; 51. Slide groove; 52. Handle. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] It should be noted that when a component is referred to as being "connected" to another component, it can be directly connected to the other component or there may be an intervening component. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application.

[0031] like Figure 1-8 As shown, a universal flexible loading and unloading machine for lenses includes a chassis 1, a material conveying unit 2, a material docking unit 3, and a pushing unit 4, wherein:

[0032] Material conveying unit 2 includes frame 21, feeding unit 22 and unloading unit 23. Frame 21 is connected to chassis 1. Feeding unit 22 and unloading unit 23 are installed side by side on frame 21 in the vertical direction. Feeding unit 22 is used to feed materials into idle hopper 5. Unloading unit 23 is used to unload materials from full hopper 5. Several grooves 51 for supporting trays 6 are arranged side by side in the vertical direction on hopper 5. Trays 6 are used to place lenses.

[0033] The material docking unit 3 includes a first linear motion unit 31, a first mounting base 32, and a third conveyor line 33. The first linear motion unit 31 is connected to the chassis 1 and is used to drive the first mounting base 32 to move in the vertical direction. The third conveyor line 33 is connected to the first mounting base 32 and is used to dock with the loading unit 22 or the unloading unit 23 to realize the transfer of the material bin 5.

[0034] The pushing unit 4 includes a second mounting base 41, a fourth conveyor line 42, a second linear motion unit 43, a third mounting base 44, a position sensor 45, a cylinder 46, and a push plate 47. The second mounting base 41 is connected to the housing 1. The fourth conveyor line 42 and the third mounting base 44 are both connected to the second mounting base 41. The second linear motion unit 43 is connected to the third mounting base 44 and is used to drive the cylinder 46 to move in the horizontal direction. The cylinder 46 is used to drive the push plate 47 to move in the vertical direction. The position sensor 45 is connected to the push plate 47. When the position sensor 45 detects the material tray 6 being conveyed on the fourth conveyor line 42, the push plate 47 is driven to rise by the cylinder 46 and, driven by the second linear motion unit 43, pushes the material tray 6 into the corresponding chute 51 of the hopper 5 on the third conveyor line 33.

[0035] In the initial state, when the material tray 6 is placed on the pushing unit 4, the piston rod of the cylinder 46 is in a retracted state, causing the push plate 47 and the position sensor 45 to be positioned below the material tray 6. The fourth conveyor line 42 moves to convey the material tray 6. At this time, when the position sensor 45 detects the material tray 6, the piston rod of the cylinder 46 is in an extended state, so that the upper end of the push plate 47 can abut against the side of the material tray 6 away from the hopper 5 on the third conveyor line 33. Then, driven by the second linear motion unit 43, the material tray 6 is pushed into the corresponding groove 51 of the hopper 5 on the third conveyor line 33, cooperating with the first linear motion unit 31 until the hopper 5 is full. It is easy to understand that the various electronic components on this device can be programmed and controlled by a microcontroller or PLC, which is existing technology well known to those skilled in the art and will not be described in detail here.

[0036] The device includes a chassis, a material conveying unit, a material docking unit, and a pushing unit, which helps to improve work efficiency, reduce labor costs, and has flexible processing characteristics, enabling it to adapt to product changes and offering high flexibility. Specifically, the enclosed chassis enables dust prevention during lens loading and unloading, ensuring lens cleanliness. The loading and unloading units of the material conveying unit are arranged in upper and lower layers, reducing the footprint. The first linear motion unit and the third conveyor line on the material docking unit work together to connect the loading, unloading, and pushing units. In other words, a single third conveyor line can connect three workstations. The hopper has stacking space for multiple trays, and the pushing unit loads the trays, reducing frequent operations on individual trays and saving processes. It can completely replace manual loading and unloading operations, helping to reduce equipment production and labor costs, improve work efficiency and production quality. Compared to existing specialized machines, the structure is simpler and more compact, easier to maintain. In addition, it can meet the needs of automated production lines, enabling flexible production. Simply changing the tray or the lenses on the tray according to different lens specifications allows for quick adjustments to the production process and production line to adapt to product changes. It has high flexibility and versatility, meeting the needs of large-volume, high-quality production.

[0037] In one embodiment, the feeding unit 22 includes a first conveyor line 221, a first baffle 222, and a first limiting unit 223. The first conveyor line 221 is connected to the frame 21. The first baffle 222 is connected to the first conveyor line 221 and is used to guide and limit the hopper 5 on the first conveyor line 221. The first limiting unit 223 is connected to the first conveyor line 221 and is used to detect the position of the hopper 5 on the first conveyor line 221. The unloading unit 23 includes a second conveyor line 231, a second baffle 232, and a second limiting unit 233. The second conveyor line 231 is connected to the frame 21. The second baffle 232 is connected to the second conveyor line 231 and is used to guide and limit the hopper 5 on the second conveyor line 231. The second limiting unit 233 is connected to the second conveyor line 231 and is used to detect the position of the hopper 5 on the second conveyor line 231. The feeding unit 22 is located above the unloading unit 23.

[0038] The first baffle 222 and the second baffle 232 can be of any shape, but are preferably two symmetrically arranged baffles. The side of the first baffle 222 of the feeding unit 22 facing away from the material docking unit 3 is designed as a flared opening to facilitate docking with other equipment or manual feeding of the hopper 5. The second baffle 232 of the unloading unit 23 is also provided with a baffle on the side facing away from the material docking unit 3 to prevent slippage and damage. The first limiting unit 223 and the second limiting unit 233 are used to detect the position of the hopper 5 on the corresponding conveyor line for accurate positioning, such as using diffuse reflection sensors. It should be noted that the feeding unit 22 can also be located below the unloading unit 23, which can be achieved by simply changing the direction of the production process.

[0039] In one embodiment, each conveyor line is a synchronous belt conveyor mechanism and is equipped with a tensioning mechanism 35 for tensioning the synchronous belt. Each conveyor line is preferably a synchronous belt conveyor mechanism, but it can also be replaced with other conveyor mechanisms in the prior art. The synchronous belt conveyor mechanism used in this embodiment includes a first synchronous belt mechanism and a synchronous belt drive mechanism. The first synchronous belt mechanism is horizontally arranged and used to place the hopper 5, and its tension can be adjusted. The synchronous belt drive mechanism is used to drive the first synchronous belt mechanism to achieve horizontal conveying of the hopper 5, and includes a motor, a second synchronous belt, and a tensioning mechanism 35. The motor is fixedly connected to the tensioning mechanism 35 and drives the first synchronous belt mechanism to move through the second synchronous belt. The tension of the second synchronous belt is achieved by adjusting the position of the tensioning mechanism 35 relative to the first synchronous belt mechanism.

[0040] In one embodiment, the second mounting base 41 is further provided with a plurality of first oblong holes and a plurality of second oblong holes. The third mounting base 44 is adjusted horizontally relative to the second mounting base 41 by screws passing through the first oblong holes, and the fourth conveyor line 42 is adjusted vertically relative to the second mounting base 41 by screws passing through the second oblong holes. By achieving horizontal adjustment between the third mounting base 44 and the second mounting base 41, and vertical adjustment between the fourth conveyor line 42 and the second mounting base 41, the requirements for equipment processing accuracy are reduced, and adjustments are easily made for different products, ensuring accuracy.

[0041] In one embodiment, the tray 6 has a mounting groove for placing lenses, and the mounting groove is a stepped through hole. The stepped through hole of the mounting groove can not only position the lens by facing the step, but also facilitates detection by the position sensor 45. In addition, the tray 6 also has multiple through holes, such as semi-circular through holes that communicate with the mounting groove, to facilitate manual handling of lenses.

[0042] In one embodiment, the material docking unit 3 further includes a third limiting unit 34, which is located on the side of the third conveyor line 33 away from the loading unit 22 or the unloading unit 23, and is used to detect the position of the loading bin 5 on the third conveyor line 33. The third limiting unit 34 detects whether the bin 5 is in position. When it is in position, the third conveyor line 33 stops transporting the bin 5, thereby docking the bin 5 with the pushing unit 4.

[0043] In one embodiment, each linear motion unit is a lead screw and nut mechanism or a pneumatic push rod. For example, in this embodiment, the first linear motion unit 31 is a lead screw and nut mechanism, and the second linear motion unit 43 is a pneumatic push rod. It should be noted that each linear motion unit can also be replaced with other existing linear transmission mechanisms well known to those skilled in the art, such as synchronous belt transmission mechanisms, gear and rack transmission mechanisms, etc.

[0044] In one embodiment, the hopper 5 is also provided with a handle 52. The hopper 5 can be directly transported by the docking equipment of the device, or carried by the operator by pulling the handle 52, which provides high flexibility.

[0045] In one embodiment, the material conveying unit 2, the material docking unit 3, and the pushing unit 4 are all built into the housing 1. This helps to ensure the cleanliness of the lenses during the production process and improve production quality.

[0046] In one embodiment, the side wall of the chassis 1 is provided with a display screen 11, the top wall of the chassis 1 is provided with a warning light 12, and the bottom wall of the chassis 1 is provided with multiple feet 13 and multiple casters 14. The display screen 11 helps operators view the equipment status or operate the equipment. The warning light 12 is used to issue an alarm when the equipment malfunctions, facilitating timely maintenance. The bottom wall of the chassis 1 may be provided with multiple feet 13 and multiple casters 14, preferably four in total, distributed at the four corners of the bottom wall of the chassis 1. The feet 13 can be used for leveling to ensure the stability of equipment operation, and the casters 14 facilitate equipment handling.

[0047] Working principle:

[0048] The idle hopper 5 is placed on the feeding unit 22 and conveyed by the first conveyor line 221 towards the direction of the third conveyor line 33. When the first limiting unit 223 detects that the hopper 5 on the first conveyor line 221 has passed, the first linear motion unit 31 drives the third conveyor line 33 to be aligned with the first conveyor line 221. The hopper 5 on the first conveyor line 221 is then connected to the third conveyor line 33. The first conveyor line 221 stops moving, and the third conveyor line 33 starts conveying until the third limiting unit 34 detects the hopper 5 and the third conveyor line 33 stops moving. The first linear motion unit 31 drives the third conveyor line 33 to align the lowest chute 51 of the hopper 5 with the pushing unit 4. Then, the pushing unit 4 loads the tray 6. When the position sensor 45 detects the tray 6, the piston rod of the cylinder 46 extends, allowing the upper end of the push plate 47 to block the side of the tray 6 away from the hopper 5 on the third conveyor line 33. Then, driven by the second linear motion unit 43, the tray 6 is pushed into the corresponding chute 51 of the hopper 5 on the third conveyor line 33. The cylinder 46 resets, and the pushing unit 4 continues to load the tray 6. The first linear motion unit 31 drives the hopper 5 to descend to the next chute 51 (e.g., the second to last chute 51 from bottom to top) and dock with the pushing unit 4. This cycle continues until the hopper 5 is full. Then, the first linear motion unit 31 drives the third conveyor line 33 to be aligned with the unloading unit 23, and transports the fully loaded hopper 5 to the unloading unit 23. The second conveyor line 231 then transports the hopper 5 away from the third conveyor line 33. When the second limit unit 233 detects that the hopper 5 on the second conveyor line 231 has passed, the fully loaded hopper 5 can be connected to the next process equipment for unloading, such as connecting to an AGV trolley for transportation or recycling, to achieve fully automated operation, and so on in a cycle.

[0049] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The embodiments described above are merely specific and detailed examples of the embodiments described in this application, and should not be construed as limiting the scope of this patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A universal flexible loading and unloading machine for lenses, characterized in that: The universal flexible loading and unloading machine for lenses comprises a chassis (1), a material conveying unit (2), a material docking unit (3) and a material pushing unit (4), wherein: The material conveying unit (2) comprises a frame (21), a loading unit (22) and a unloading unit (23); the frame (21) is connected to the chassis (1); the loading unit (22) and the unloading unit (23) are installed side by side on the frame (21) in a vertical direction; the loading unit (22) is used to realize the loading and unloading of an idle silo (5); the unloading unit (23) is used to realize the unloading and unloading of a fully loaded silo (5); a plurality of slide grooves (51) for supporting a material tray (6) are arranged side by side in a vertical direction on the silo (5); the material tray (6) is used to place lenses; The material docking unit (3) comprises a first linear motion unit (31), a first mounting seat (32) and a third conveying line (33), wherein the first linear motion unit (31) is connected to the chassis (1) and is used to drive the first mounting seat (32) to move in a vertical direction, and the third conveying line (33) is connected to the first mounting seat (32) and is used to dock with the loading unit (22) or the unloading unit (23) to realize the transfer of the silo (5); The pusher unit (4) comprises a second mounting seat (41), a fourth conveyor line (42), a second linear motion unit (43), a third mounting seat (44), a position sensor (45), a cylinder (46) and a push plate (47); the second mounting seat (41) is connected to the chassis (1); the fourth conveyor line (42) and the third mounting seat (44) are both connected to the second mounting seat (41); the second linear motion unit (43) is connected to the third mounting seat (44) and is used to drive the cylinder (46) to move along the The push plate (47) moves in the horizontal direction, and the cylinder (46) is used to drive the push plate (47) to move in the vertical direction. The position sensor (45) is connected to the push plate (47). When the position sensor (45) detects the material tray (6) transported on the fourth conveyor line (42), the push plate (47) is driven to rise by the cylinder (46) and, driven by the second linear motion unit (43), pushes the material tray (6) into the corresponding slide groove (51) of the bin (5) on the third conveyor line (33).

2. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: The loading unit (22) comprises a first conveying line (221), a first baffle (222) and a first limiting unit (223); the first conveying line (221) is connected to the frame (21); the first baffle (222) is connected to the first conveying line (221) and is used to guide and limit the material bin (5) on the first conveying line (221); the first limiting unit (223) is connected to the first conveying line (221) and is used to detect the position of the material bin (5) on the first conveying line (221); the unloading unit (23) comprises a first baffle (222) and a first limiting unit (223); Two conveyor lines (231), a second baffle (232) and a second limiting unit (233), wherein the second conveyor line (231) is connected to a frame (21), the second baffle (232) is connected to the second conveyor line (231) and is used to guide and limit the material bin (5) on the second conveyor line (231), the second limiting unit (233) is connected to the second conveyor line (231) and is used to detect the position of the material bin (5) on the second conveyor line (231), and the loading unit (22) is located above the unloading unit (23).

3. The universal flexible loading and unloading machine for lenses as claimed in claim 1 or 2, characterized in that: Each of the conveying lines is a synchronous belt conveying mechanism and is provided with a tensioning mechanism (35) for tensioning the synchronous belt.

4. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: The second mounting seat (41) is also provided with a plurality of first waist-shaped holes and a plurality of second waist-shaped holes. The third mounting seat (44) can be adjusted in horizontal position relative to the second mounting seat (41) by means of screws passing through the first waist-shaped holes. The fourth conveying line (42) can be adjusted in vertical position relative to the second mounting seat (41) by means of screws passing through the second waist-shaped holes.

5. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: The material tray (6) is provided with a mounting groove for placing the lens, and the mounting groove is a stepped through hole.

6. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: The material docking unit (3) further comprises a third limiting unit (34), which is located on a side of the third conveying line (33) away from the loading unit (22) or the unloading unit (23) and is used to detect the position of the silo (5) on the third conveying line (33).

7. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: Each of the linear motion units is a screw-nut mechanism or a pneumatic push rod.

8. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: The silo (5) is also provided with a handle (52).

9. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: The material conveying unit (2), the material docking unit (3) and the material pushing unit (4) are all built into the chassis (1).

10. The universal flexible loading and unloading machine for lenses as claimed in claim 1, characterized in that: The side wall of the chassis (1) is provided with a display screen (11), the top wall of the chassis (1) is provided with a warning light (12), and the bottom wall of the chassis (1) is provided with a plurality of feet (13) and a plurality of rollers (14).

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