An automated lens moving device

Abstract

This invention provides an automated lens moving device, comprising: a base plate, an assembly plate, a sleeve, a crossbar moving unit, a drive unit, a lifting rod moving unit, and a robotic arm; the drive unit provides a power source for the crossbar moving unit and the lifting rod moving unit, the upper part of the drive unit is connected to the crossbar moving unit, and the lower part of the drive unit is connected to the lifting rod moving unit; the crossbar moving unit extends into the sleeve through a groove on the sleeve to move the lens to the lower end of the sleeve and release it; the lifting rod moving unit catches the lens at the lower end of the sleeve and moves it to a set position; the robotic arm picks up the lens from the lifting rod moving unit; the rotation of the threaded rod of the drive unit is converted into the up-and-down linear motion of the crossbar moving unit and the lifting rod moving unit, which are performed simultaneously, eliminating the need for manual movement of the lens.

Description

Technical Field

[0001] This invention relates to the field of lens assembly, and more specifically to an automated lens moving device. Background Technology

[0002] A zoom lens is a camera lens that can change its focal length within a certain range to obtain different field of view, image sizes, and the range of objects depicted. However, current zoom lens assembly technology still has many drawbacks. For example, during assembly, manual movement of the lens elements can easily contaminate the lens surface, and the elements can easily fall off during the process, making it inconvenient to use. Summary of the Invention

[0003] The purpose of this invention is to provide an automated lens moving device to address the aforementioned existing problems.

[0004] Includes: base, assembly plate, sleeve, crossbar moving unit, drive unit, lifting rod moving unit and robotic arm;

[0005] The assembly plate, drive unit, and robotic arm are disposed on the upper surface of the base;

[0006] The upper part of the drive unit is connected to the crossbar moving unit, and the lower part of the drive unit is connected to the lifting rod moving unit. The sleeve is provided with a sliding groove in the vertical direction. The crossbar moving unit extends into the sleeve from the sliding groove and slides with the sliding groove.

[0007] The drive unit provides driving force to both the crossbar moving unit and the lifting rod moving unit. The crossbar moving unit moves the lens inside the sleeve from the upper end of the sleeve to the lower end of the sleeve and then releases the lens. The lifting rod moving unit catches the lens at the lower end of the sleeve and moves it to a set position. The robotic arm is used to pick up the lens from the lifting rod moving unit at the set position.

[0008] In a preferred embodiment of the present invention, the drive unit includes a motor and a threaded rod. The motor is fixedly connected to the base, and the bottom end of the threaded rod is connected to the output shaft of the motor. The motor is used to drive the threaded rod to rotate around its axis.

[0009] In a preferred embodiment of the present invention, the crossbar moving unit includes: a crossbar, a moving block, and an inclined plate. The lower end of the inclined plate is fixed to the base, and the upper end is inclined toward the crossbar. One end of the crossbar extends into the sleeve through a groove, and the crossbar can move vertically along the groove of the sleeve. A guide groove is provided on the inclined plate along its length, and the other end of the crossbar slides into the guide groove. The crossbar is movably connected to the threaded rod through the moving block, so that when the threaded rod rotates, the moving block can drive the crossbar to move up and down and move closer to and away from the inclined plate.

[0010] In a preferred embodiment of the present invention, the lifting rod moving unit includes: a ring, a push rack, a gear, a movable rack, a connecting plate, a vertical rod, and a lifting rod; the ring is fitted onto the threaded rod to form a screw-nut pair, so that when the threaded rod rotates, the ring can move in the vertical direction; the push rack is fixedly connected to the outer circumferential surface of the ring, and the push rack and the movable rack mesh through a gear mounted on the assembly plate, the movable rack being fixedly connected to the connecting plate; a plurality of vertical rods are fixedly mounted on the upper surface of the assembly plate, each vertical rod having a groove at its center, the lifting rod moving in the vertical direction within the groove of the vertical rod, and the lifting rod being fixedly connected to the connecting plate.

[0011] In a preferred embodiment of the present invention, a sliding groove is provided inside the crossbar, a moving block is provided inside the sliding groove, the threaded rod is inserted into the moving block, the moving block is a bearing, the inner ring of the moving block and the threaded rod form a screw-nut pair, and the outer ring cooperates with the sliding groove of the crossbar.

[0012] As a preferred embodiment of the present invention, a rubber pad is provided circumferentially along the inner wall of the sleeve.

[0013] In a preferred embodiment of the present invention, a rectangular hole is provided on the outer side of the vertical rod, and a protrusion is provided on the outer side of the lifting rod. The protrusion can move vertically along the rectangular hole, and after the protrusion extends out of the rectangular hole, it is fixedly connected to the connecting plate.

[0014] In a preferred embodiment of the present invention, the assembly plate has a groove directly below the movable rack for receiving the movable rack.

[0015] Beneficial effects:

[0016] (1) When the lens is transported through the assembly line and falls from the sleeve, the crossbar moving unit and the lifting rod moving unit can work simultaneously through the drive unit. When the crossbar transports the lens downward, the lifting rod rises simultaneously to catch the lens, which improves work efficiency.

[0017] (2) By rotating the threaded rod with a motor, the horizontal bar moving unit and the lifting rod moving unit are connected to the threaded rod by a screw and nut pair to convert the rotation of the threaded rod into the vertical linear motion of the horizontal bar and the lifting rod. There is only one power source, which is easy to operate and maintain, and reduces the chance of work errors.

[0018] (3) The lifting rod can catch the lens and determine the position of the lens, without the need for manual operation and making it easy for the robotic arm to pick up the lens.

[0019] (4) The lifting unit of the lifting rod is equipped with rack and pinion transmission, which makes the movement of the lifting rod more stable.

[0020] (5) A rubber pad is installed inside the sleeve to protect the lens from damage. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a top view of the sleeve and rubber pad;

[0023] Figure 3 This is a top view of the connecting plate and the lifting rod;

[0024] Figure 4 This is a partially enlarged schematic diagram of the gear, the driving rack, and the movable rack at point A;

[0025] The components are: 1-base; 2-assembly plate; 3-robotic arm; 4-sleeve; 5-rubber pad; 6-motor; 7-threaded rod; 8-lens; 9-crossbar; 10-slide groove; 11-vertical rod; 12-lifting rod; 13-tilting plate; 14-moving block; 15-ring; 16-pushing rack; 17-connecting plate; 18-protrusion; 19-moving rack; 20-gear. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0027] The automated lens moving device provided in this embodiment includes: a base 1, an assembly plate 2, a sleeve 4, a crossbar moving unit, a drive unit, a lifting rod moving unit, and a robotic arm 3.

[0028] The drive unit includes: a motor 6 and a threaded rod 7;

[0029] The horizontal bar moving unit includes: a horizontal bar 9, a moving block 14, and an inclined plate 13;

[0030] The lifting rod moving unit includes: a ring 15, a push rack 16, a gear 20, a movable rack 19, a connecting plate 17, a vertical rod 11, and a lifting rod 12.

[0031] See appendix Figure 2 The sleeve 4 of this automated lens moving device has a cylindrical structure. The inner wall of the sleeve 4 is provided with a rubber pad 5 along the circumference to protect the lens 8 after it is conveyed into the sleeve 4. On the outer circumference of the sleeve 4 and on the rubber pad 5 at the corresponding position, a sliding groove 10 is provided in the vertical direction (i.e., in the direction parallel to the axis of the sleeve 4, with the sleeve 4 placed vertically). The sliding groove 10 is the same length as the sleeve 4, so that the right end of the crossbar 9 can be inserted into the sleeve 4 through the sliding groove 10 and can move vertically along the sliding groove 10.

[0032] The drive unit provides power to the crossbar movement unit and the lifting rod movement unit. For details, please refer to the appendix. Figure 1 The motor 6 is fixed on the upper surface of the base 1. The bottom end of the threaded rod 7 is connected to the output shaft of the motor 6. The motor 6 can make the threaded rod 7 rotate around its axis. The upper end of the threaded rod 7 is threadedly connected to the moving block 14 of the crossbar moving unit to form a screw and nut pair. The lower end of the threaded rod 7 is threadedly connected to the ring 15 of the lifting rod moving unit to form a screw and nut pair. When the motor 6 drives the threaded rod 7 to rotate, the moving block 14 and the ring 15 move along the axial direction of the threaded rod 7.

[0033] The crossbar moving unit is used to drive the crossbar 9 to move along the slide groove 10 while moving radially along the sleeve 4. Specifically, it moves downward along the slide groove 10 while moving outward radially along the sleeve 4, and moves upward along the slide groove 10 while moving inward radially along the sleeve 4.

[0034] See appendix Figure 1 An inclined plate 13 is fixed on the base 1 and located to the left of the crossbar 9, tilting to the left relative to the crossbar 9. The inclined plate 13 has a groove along its length as a guide groove. The left end of the crossbar 9 slides in the groove, allowing the left end of the crossbar 9 to move along the groove on the inclined plate 13. The crossbar 9 has a sliding groove along its length. The moving block 14 is located in the sliding groove of the crossbar 9 and slides in the sliding groove. The vertically arranged threaded rod 7 passes through the moving block 14 and is threadedly connected to the moving block 14 to form a screw nut pair. When the threaded rod 7 rotates around its axis, the moving block 14 can move along the axis of the threaded rod 7. At the same time, it drives the crossbar 9 to move along the guide groove on the inclined plate 13. During this process, the crossbar 9 moves horizontally relative to the moving block 14 (if the moving block 14 is a bearing, its inner ring forms a screw nut pair with the threaded rod 7, and its outer ring slides in the sliding groove of the crossbar 9). For example, when the threaded rod 7 rotates in the positive direction around its axis, the moving block 14 moves vertically downward along the threaded rod 7; at the same time, it drives the crossbar 9 to move along the guide groove on the inclined plate 13. The movement of the crossbar 9 along the guide groove on the inclined plate 13 is a combined downward and leftward movement.

[0035] The lifting rod moving unit is used to drive the lifting rod 12 to move in the vertical direction. Specifically, when the connecting plate 17 moves upward, it pushes the lifting rod 12 to move upward in the groove of the vertical rod 11. When the connecting plate 17 moves downward, it drives the lifting rod 12 to move downward in the groove of the vertical rod 11.

[0036] See appendix Figure 1 and attached Figure 4 A ring 15 is fitted below the threaded rod 7. The ring 15 is threadedly connected to the threaded rod 7 to form a screw and nut pair. When the threaded rod 7 rotates around its axis, the ring 15 can move in the vertical direction. When the threaded rod 7 rotates, the moving block 14 and the ring 15 move in the same direction. A push rack 16 is fixedly attached to the outer circumference of the ring 15. The push rack 16 meshes with the movable rack 19 through a gear 20. The gear 20 is mounted on the left side of the assembly plate 2 through a support rod, so that when the ring 15 and the push rack 16 move vertically downward together, the movable rack 19 is driven upward by the gear 20. The movable rack 19 is welded to the annular connecting plate 17. A groove is provided at the corresponding position of the assembly plate 2 below the movable rack 19 to accommodate the movable rack 19. Multiple vertical rods 11 located in the same circumferential direction are provided in the annular area where the connecting plate 17 is located on the upper surface of the assembly plate 2. A rectangular groove is provided at the center of the vertical rod 11 along the vertical direction. A lifting rod 12 is provided in the rectangular groove and can move vertically within the rectangular groove. A rectangular hole is provided on the side of the vertical rod 11 facing the connecting plate 17.

[0037] The protrusion 18 and the lifting rod 12 are an integral structure. The protrusion 18 can move vertically in the rectangular hole on the outer side of the vertical rod 11. The protrusion 18 is fixedly connected to the connecting plate 17. When the movable rack 19 drives the connecting plate 17 to move upward, the connecting plate 17 drives the lifting rod 12 to move upward in the rectangular groove of the vertical rod 11 through the protrusion 18, so as to catch the lens 8 falling from the horizontal rod 9. A robotic arm 3 is set on the right side of the upper surface of the mounting plate 2. When the lens 8 falls onto the upper surface of the lifting rod 12, the robotic arm 3 picks up the lens 8 for the next operation.

[0038] The working process of this device is as follows:

[0039] Lens 8 is transported to the top of sleeve 4 via the assembly line and then falls naturally into sleeve 4. At this time, the upper surface of crossbar 9 is flush with the upper surface of sleeve 4. Lens 8 falls onto the upper surface of crossbar 9. Motor 6 is started, causing threaded rod 7 to start rotating, causing moving block 14 to move downward. Moving block 14 downward drives crossbar 9 to move to the left and downward. The part of the upper surface of crossbar 9 supporting lens 8 gradually decreases. At the same time, the rotation of threaded rod 7 causes ring 15 to drive rack 16 to move downward. The drive rack 16 drives moving rack 19 through gear 20 to drive connecting plate 17 to move upward. Connecting plate 17 presses against protrusion 18, causing lifting rod 12 to move upward from the rectangular groove in the middle of vertical rod 11.

[0040] When the right end of the crossbar 9 moves to the left relative to the sleeve 4 to the left edge of the lens 8, the upper surface of the lifting rod 12 moves to be flush with the lower surface of the sleeve 4, and the lens 8 falls downward onto the upper surface of the lifting rod 12. Then, the rotation direction of the motor 6 is changed, causing the threaded rod 7 to rotate in the opposite direction. The moving block 14 moves upward, driving the crossbar 9 to move to the right and upward until the upper surface of the crossbar 9 is flush with the upper surface of the sleeve 4. The connecting plate 17 moves downward, driving the lifting rod 12 downward. The lifting rod 12 drives the lens 8 downward to the initial position, and then the robotic arm 3 picks up the lens 8 for the next transport. The lifting rod 12 can determine the position of the lens 8, making it convenient for the robotic arm 3 to identify the position of the lens 8 and pick it up.

[0041] Although the present invention has been described in detail above with general descriptions and specific embodiments, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. An automated lens moving device, characterized in that, include: Base, assembly plate, sleeve, crossbar moving unit, drive unit, lifting rod moving unit, and robotic arm; The assembly plate, drive unit, and robotic arm are disposed on the upper surface of the base; The upper part of the drive unit is connected to the crossbar moving unit, and the lower part of the drive unit is connected to the lifting rod moving unit. The sleeve is provided with a sliding groove in the vertical direction. The crossbar moving unit extends into the sleeve from the sliding groove and slides with the sliding groove. The drive unit provides driving force to both the crossbar moving unit and the lifting rod moving unit. The crossbar moving unit moves the lens inside the sleeve from the upper end of the sleeve to the lower end of the sleeve and then releases the lens. The lifting rod moving unit catches the lens at the lower end of the sleeve and moves it to a set position. The robotic arm is used to pick up the lens from the lifting rod moving unit at the set position. The drive unit includes a motor and a threaded rod. The motor is fixed to the base, and the bottom end of the threaded rod is connected to the output shaft of the motor. The motor is used to drive the threaded rod to rotate around its axis. The crossbar moving unit includes a crossbar, a moving block, and an inclined plate. The lower end of the inclined plate is fixed to the base, and the upper end is inclined toward the crossbar. One end of the crossbar extends into the sleeve through a groove, and the crossbar can move vertically along the groove of the sleeve. A guide groove is provided on the inclined plate along its length, and the other end of the crossbar slides into the guide groove. The crossbar is movably connected to the threaded rod through the moving block, so that when the threaded rod rotates, the moving block can drive the crossbar to move up and down and move closer to and away from the inclined plate. The lifting rod moving unit includes: a ring, a push rack, a gear, a movable rack, a connecting plate, a vertical rod, and a lifting rod; the ring is fitted onto the threaded rod to form a screw-nut pair, so that when the threaded rod rotates, the ring can move in the vertical direction; the push rack is fixedly connected to the outer circumferential surface of the ring, and the push rack and the movable rack mesh through a gear mounted on the assembly plate, and the movable rack is fixedly connected to the connecting plate; multiple vertical rods are fixedly installed on the upper surface of the assembly plate, and a groove is provided in the center of each vertical rod, the lifting rod moves in the vertical direction within the groove of the vertical rod, and the lifting rod is fixedly connected to the connecting plate.

2. The automated lens moving device as described in claim 1, characterized in that, The crossbar has a sliding groove inside, and a moving block is set inside the sliding groove. The threaded rod is inserted into the moving block, and the moving block is a bearing. The inner ring of the moving block and the threaded rod form a screw-nut pair, and the outer ring cooperates with the sliding groove of the crossbar.

3. The automated lens moving device as described in claim 1, characterized in that, A rubber pad is provided along the circumference of the inner wall of the sleeve.

4. The automated lens moving device as described in claim 1, characterized in that, A rectangular hole is provided on the outer side of the vertical rod, and a protrusion is provided on the outer side of the lifting rod. The protrusion can move vertically along the rectangular hole, and after the protrusion extends out of the rectangular hole, it is fixedly connected to the connecting plate.

5. The automated lens moving device as described in claim 1, characterized in that, The assembly plate has a groove directly below the movable rack for receiving the movable rack.

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