A rearview mirror glass raw material feeding mechanism

Abstract

This utility model discloses a rearview mirror glass material feeding mechanism, belonging to the field of rearview mirror glass material processing. It includes a feeding plate, with a connecting arm fixedly connected to the center of the top of the feeding plate, and vacuum suction cups fixedly connected to the four corners of the bottom of the feeding plate. Both sides of the feeding plate are provided with protective components to prevent the glass from breaking. The protective components include protective frames rotatably connected to both sides of the feeding plate and distributed in a V-shape. By setting a linkage mechanism composed of transmission gears, toothed plates, and driving teeth on sliding columns, the contact force between the feeding plate and the glass plate when moving downwards is converted into mechanical transmission, thereby automatically driving the two protective frames to close inwards, achieving passive and adaptive wrapping protection for the glass plate. This process does not require additional electric or pneumatic drive components, effectively reducing manufacturing costs and system complexity, while avoiding the risk of clamping failure due to drive component malfunction.

Description

Technical Field

[0001] This utility model belongs to the field of rearview mirror glass raw material processing technology, specifically relating to a rearview mirror glass raw material feeding mechanism. Background Technology

[0002] In the production and processing of automotive rearview mirror glass, it is often necessary to handle, transfer and load large areas of flat glass raw materials. These glass sheets are characterized by large area, thin thickness and fragility. For example, CN223162740U discloses a glass sheet loading and gripping device, including a base. A robotic arm is installed on the top surface of the base, and a fixed box is fixedly connected to the output end of the robotic arm. This utility model uses a dual-axis motor to drive a screw to rotate. By using a connecting block and a connecting groove, the moving block on the screw can be limited, allowing the moving block to move on the screw. While the moving block is moving, it drives the clamping block to move through the connecting block. When the clamping block abuts against the edge of the glass sheet, the glass sheet can be clamped and fixed. After clamping and fixing, the air pump is turned on, and the glass sheet can be adsorbed by the suction cup. This can improve the stability of the glass raw material during the gripping and loading process, prevent the glass sheet from falling during the gripping and loading process, and thus improve the stability of the glass sheet during the gripping and loading process, thereby improving the loading effect of the glass sheet. However, in actual use, the clamping action in the above cases relies on an additional motor drive, which not only increases the complexity and manufacturing cost of the equipment, but also makes it easy for the clamping force to fail when the motor fails, causing the glass to fall or break. The mechanical clamping itself applies concentrated stress to the edge of the glass, and if not properly controlled, there is still a risk of crushing. Utility Model Content

[0003] The purpose of this utility model is to provide a rearview mirror glass material feeding mechanism to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a rearview mirror glass material feeding mechanism, including a feeding plate, a connecting arm fixedly connected to the center of the top of the feeding plate, vacuum suction cups fixedly connected to the four corners of the bottom of the feeding plate, and protective components to prevent the glass plate from breaking on both sides of the feeding plate, the protective components including protective frames rotatably connected to the two sides of the feeding plate and distributed in a figure-eight shape.

[0005] In a preferred embodiment, the feeding plate has two sliding columns internally connected, and the bottom ends of the two sliding columns are fixedly connected to a contact base plate. The contact base plate is in contact with the glass plate but not with the vacuum suction cup.

[0006] In a preferred embodiment, the top of the base plate and the bottom of the feed plate are fixedly connected to a spring sleeved on the outside of the sliding column, and the bottom ends of the two protective frames are provided with inward-facing bottom hooks.

[0007] In a preferred embodiment, the bottom of the bottom hook is rotatably connected to a guide wheel, and the top of the bottom hook is provided with an arc-shaped protrusion, the interior of which is provided with a buffer cavity.

[0008] In a preferred embodiment, each of the two protective frames has a limiting protrusion on its contact surface with the glass plate. The limiting protrusion has a side cavity inside, and multiple inclined auxiliary elastic plates are fixedly connected at equal intervals inside the side cavity.

[0009] In a preferred embodiment, the tops of both protective frames extend above the feeding plate, and rotating plates are rotatably connected to the outward sides of both tops of the two protective frames. A center plate is rotatably connected to the opposite surfaces of every two adjacent rotating plates.

[0010] In a preferred embodiment, both sides of the top of the feeding plate are rotatably connected to transmission gears, and toothed plates that mesh with the outside of the transmission gears are fixedly connected to the two center plates facing the transmission gears. The contact surfaces of the two sliding columns and the transmission gears are provided with drive teeth that mesh with the transmission gears.

[0011] Compared with the prior art, the beneficial effects of this utility model are: The rearview mirror glass material feeding mechanism, through the linkage mechanism consisting of transmission gears, toothed plates and driving teeth on sliding columns, converts the contact force between the feeding plate and the glass plate when it moves downward into mechanical transmission, thereby automatically driving the two protective frames to close inward, achieving passive and adaptive wrapping protection for the glass plate. This process does not require additional electric or pneumatic drive components, effectively reducing manufacturing costs and system complexity, while avoiding the risk of clamping failure due to drive component failure. The rearview mirror glass material feeding mechanism, through the protective frame distributed in a figure-eight shape with guide wheels and bottom hooks at the bottom, can contact the worktable surface before the glass edge during the feeding process. The guide wheels smoothly guide the protective frame to retract inward, so that the bottom hook can firmly support the bottom edge of the glass plate, effectively preventing the glass plate from slipping off the suction cup or breaking due to the impact of placement. The rearview mirror glass material feeding mechanism, through the limiting protrusions on the protective frame, the internal side cavity and the inclined auxiliary elastic plate, and the buffer cavity opened on the bottom hook, together form a multi-level buffer system. This system can effectively absorb and disperse the lateral impact force and vibration that the glass plate may be subjected to during transportation, avoid rigid collisions, and thus protect the edges and surfaces of the glass plate in all directions, significantly reducing the probability of breakage. Attached Figure Description

[0012] Figure 1 This is a front view of the structure of this utility model; Figure 2 This is a bottom view of the structure of this utility model; Figure 3 This is a side view of the structure of this utility model; Figure 4 for Figure 3 Enlarged diagram of point A.

[0013] In the diagram: 1. Feeding plate; 2. Vacuum suction cup; 3. Connecting arm; 4. Protective frame; 401. Bottom hook; 402. Guide wheel; 403. Arc-shaped protrusion; 404. Buffer cavity; 405. Limiting protrusion; 406. Side cavity; 407. Auxiliary elastic plate; 5. Sliding column; 501. Base plate; 502. Spring; 503. Drive gear; 6. Transmission gear; 7. Tooth plate; 8. Rotating plate; 9. Center plate. Detailed Implementation

[0014] The present invention will be further described below with reference to the embodiments.

[0015] The following embodiments are used to illustrate the present invention, but should not be used to limit the scope of protection of the present invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0016] Please see Figures 1-4 This utility model provides a rearview mirror glass material feeding mechanism, including a feeding plate 1. A connecting arm 3 is fixedly connected to the center of the top of the feeding plate 1. Vacuum suction cups 2 are fixedly connected to the four corners of the bottom of the feeding plate 1. Protective components to prevent the glass from breaking are provided on both sides of the feeding plate 1. The protective components include protective frames 4 rotatably connected to both sides of the feeding plate 1 and distributed in a V-shape. Two sliding columns 5 are slidably connected inside the feeding plate 1. A contact base plate 501 is fixedly connected to the bottom end of the two sliding columns 5. The contact base plate 501 contacts the glass and does not contact the vacuum suction cups 2. The top of 501 and the bottom of the feeding plate 1 are fixedly connected to a spring 502 sleeved on the outside of the sliding column 5. The bottom ends of the two protective frames 4 are provided with inward-facing bottom hooks 401. The bottom of the bottom hooks 401 is rotatably connected to guide wheels 402. The top of the bottom hooks 401 is provided with arc-shaped protrusions 403. The interior of the arc-shaped protrusions 403 is provided with buffer chambers 404. The contact surfaces between the two protective frames 4 and the glass plate are provided with limiting protrusions 405. The interior of the limiting protrusions 405 is provided with side chambers 406. The interior of the side chambers 406 is fixedly connected with multiple inclined auxiliary elastic plates 407 at equal intervals. When the external power unit is started, the loading plate 1 is moved downward through the connecting arm 3, gradually approaching the glass plate to be loaded. As the loading plate 1 moves downward, the contact base plate 501 first contacts the surface of the glass plate. After the contact base plate 501 contacts the glass plate, the loading plate 1 continues to move downward. The contact base plate 501 is subjected to the reaction force of the glass plate, which pushes the sliding column 5 to slide into the loading plate 1. The sliding column 5 is provided with a drive tooth 503 that meshes with the transmission gear 6. During the upward sliding of the sliding column 5, the drive tooth 503 meshes with the transmission gear 6 that is rotatably connected to the top two sides of the loading plate 1, driving the transmission gear 6 to rotate. After the transmission gear 6 rotates, it meshes with the toothed plate 7 on the center plate 9. Since the center plate 9 is rotatably connected to the top of the protective frame 4 through the rotating plate 8, the center plate 9 is displaced under the meshing action of the toothed plate 7 and the transmission gear 6, pushing the tops of the two protective frames 4 to rotate inward. The protective frame 4 is arranged in a figure-eight shape. As the top rotates inward, the entire protective frame 4 gradually closes, wrapping around both sides of the glass plate. During the downward movement of the bottom hook 401 at the bottom of the protective frame 4, the guide wheel 402 connected to its bottom first contacts the workbench or other supporting surface. The guide wheel 402 can smoothly guide the protective frame 4 to further retract inward, so that the bottom hook 401 can steadily support the bottom edge of the glass plate.

[0017] Please see Figure 1 and Figure 3 The tops of the two protective frames 4 extend to the top of the feeding plate 1, and rotating plates 8 are rotatably connected to the outer sides of the tops of the two protective frames 4. A center plate 9 is rotatably connected to the opposite surfaces of every two adjacent rotating plates 8. A transmission gear 6 is rotatably connected to both sides of the top of the feeding plate 1. A toothed plate 7 that meshes with the outside of the transmission gear 6 is fixedly connected to the side of the two center plates 9 facing the transmission gear 6. A drive tooth 503 that meshes with the transmission gear 6 is provided on the contact surface between the two sliding columns 5 and the transmission gear 6. When the loading plate 1 moves down to the appropriate position, the vacuum suction cup 2 is tightly attached to the surface of the glass plate. At this time, the external vacuum system is activated (this is existing technology and is not shown in the figure) to create a negative pressure inside the vacuum suction cup 2, thereby firmly adsorbing the glass plate. At this time, the glass plate is in a stable state under the adsorption force of the vacuum suction cup 2 and the protection of the protective frame 4. An external power unit drives the loading plate 1 and the glass plate fixed by adsorption through the connecting arm 3 to carry out the loading and transportation operation. During the transportation process, the limiting protrusion 405 on the protective frame 4 contacts the side of the glass plate. The side cavity 406 inside the limiting protrusion 405 and the inclined auxiliary elastic plate 407 can absorb and disperse the lateral impact force and vibration that the glass plate may be subjected to. The arc-shaped protrusion 403 on the bottom hook 401 and the buffer cavity 404 inside it can also further buffer the vibration of the bottom of the glass plate, protecting the glass plate in all directions. Once the designated placement position is reached, the vacuum system is shut off, and the vacuum suction cup 2 releases the glass plate. Simultaneously, the external power unit moves the loading plate 1 upward, reducing the pressure on the contact base plate 501. Under the action of the spring 502, the sliding column 5 returns to its downward reset position. During the downward reset process of the sliding column 5, the drive gear 503 meshes with the transmission gear 6 again, causing the transmission gear 6 to rotate in the opposite direction. This, in turn, drives the top of the protective frame 4 to rotate outward through the tooth plate 7 and the center plate 9, and the protective frame 4 unfolds again, completing one glass plate loading process. Through the meshing transmission of the drive teeth 503 on the sliding column 5 and the transmission gear 6, and the further meshing of the transmission gear 6 with the toothed plate 7 on the center plate 9, the contact force between the loading plate 1 and the glass plate when it moves downward is converted into mechanical transmission, realizing the automatic drive of the two protective frames 4 to close inward. This process does not require additional electric or pneumatic drive components, which greatly reduces the manufacturing cost and system complexity of the equipment, avoids the risk of clamping failure due to the failure of additional drive components, and improves the reliability and stability of the entire loading mechanism. Please see Figure 3 and Figure 4 The bottom hook 401 of the protective frame 4, with its bottom end facing inward, can reliably support the bottom edge of the glass plate during the unloading process. The guide wheel 402, which is rotatably connected to the bottom of the bottom hook 401, first contacts the workbench surface during unloading and can smoothly guide the protective frame 4 to retract inward, so that the bottom hook 401 accurately supports the glass plate and prevents the glass plate from slipping off the vacuum suction cup 2 due to the impact during placement. The arc-shaped protrusion 403 at the top of the bottom hook 401 and its internal buffer cavity 404 can play a buffering role when the glass plate is placed, reducing the impact force on the bottom of the glass plate and further preventing the glass plate from breaking. This greatly improves the safety and success rate of glass plate placement. The protective frame 4 has a limiting protrusion 405 on the contact surface with the glass plate. The side cavity 406 inside the limiting protrusion 405 and the inclined auxiliary elastic plate 407 constitute a lateral buffer system. During the transportation process, when the glass plate is subjected to lateral impact force, the auxiliary elastic plate 407 will undergo elastic deformation to absorb and disperse the impact force, and avoid rigid collisions from damaging the edge of the glass plate. The arc-shaped protrusion 403 on the bottom hook 401 and its internal buffer cavity 404 cushion the bottom of the glass plate, reducing vibration and impact during handling. These multi-stage buffering systems work together to comprehensively protect the edges and surface of the glass plate, significantly reducing the probability of breakage during handling and loading. The working principle and usage process of this utility model are as follows: First, the external power device drives the loading plate 1 to move down through the connecting arm 3, and the contact bottom plate 501 first touches the glass plate to be loaded; the loading plate 1 continues to move down, and the contact bottom plate 501 is pushed by the reaction force to slide the sliding column 5 upward, and its driving teeth 503 mesh with the transmission gear 6, driving the transmission gear 6 to rotate. The transmission gear 6 meshes with the toothed plate 7 of the center plate 9. The displacement of the center plate 9 pushes the top of the protective frame 4 to rotate inward. The protective frame 4 closes and wraps around both sides of the glass plate. The guide wheel 402 of the bottom hook 401 contacts the support surface, and the guide bottom hook 401 supports the bottom edge of the glass plate. The loading plate 1 moves down into place, the vacuum suction cup 2 adheres to the glass plate, and the external vacuum system is activated to form a negative pressure to adsorb the glass plate, making it stable under the adsorption force and the protection of the protective frame 4. The external power device drives the loading plate 1 and the adsorbed glass plate to transport and load. During the transport, the limiting protrusion 405, side cavity 406, auxiliary elastic plate 407 and arc protrusion 403 and buffer cavity 404 of the protective frame 4 buffer vibration and protect the glass plate. When the designated position is reached, the vacuum system is closed to release the glass plate. The loading plate 1 moves up, the pressure on the bottom plate 501 decreases, the sliding column 5 is reset under the action of the spring 502, and the driving gear 503 makes the transmission gear 6 rotate in the opposite direction, driving the protective frame 4 to unfold again, completing the loading.

[0018] It should be noted that the vacuum system used in the vacuum suction cup 2 and the overall drive system of the mechanism are existing publicly available technologies. In actual use, operators can select the appropriate system based on the actual production needs of the rearview mirror glass.

[0019] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rearview mirror glass raw material feeding mechanism, comprising a feeding plate (1), characterized in that: A connecting arm (3) is fixedly connected to the center of the top of the feeding plate (1), and vacuum suction cups (2) are fixedly connected to the four corners of the bottom of the feeding plate (1). Protective components to prevent the glass plate from breaking are provided on both sides of the feeding plate (1). The protective components include protective frames (4) that are rotatably connected to the two sides of the feeding plate (1) and distributed in a figure-eight shape.

2. The rearview mirror glass raw material feeding mechanism according to claim 1, characterized in that: The feeding plate (1) has two sliding columns (5) inside, and the bottom ends of the two sliding columns (5) are fixedly connected to a contact base plate (501). The contact base plate (501) is in contact with the glass plate but not with the vacuum suction cup (2).

3. The rearview mirror glass material feeding mechanism according to claim 2, characterized in that: The top of the base plate (501) and the bottom of the feed plate (1) are fixedly connected by a spring (502) sleeved on the outside of the sliding column (5), and the bottom ends of the two protective frames (4) are provided with inward-facing bottom hooks (401).

4. The rearview mirror glass material feeding mechanism according to claim 3, characterized in that: The bottom of the bottom hook (401) is rotatably connected to a guide wheel (402), and the top of the bottom hook (401) is provided with an arc-shaped protrusion (403), and a buffer cavity (404) is opened inside the arc-shaped protrusion (403).

5. The rearview mirror glass material feeding mechanism according to claim 4, characterized in that: Both of the protective frames (4) are provided with limiting protrusions (405) on the contact surfaces with the glass plate. The limiting protrusions (405) have side cavities (406) inside. Multiple inclined auxiliary elastic plates (407) are fixedly connected at equal intervals inside the side cavities (406).

6. The rearview mirror glass material feeding mechanism according to claim 5, characterized in that: The tops of both protective frames (4) extend above the feeding plate (1), and rotating plates (8) are rotatably connected to the outer sides of the tops of both protective frames (4). A center plate (9) is rotatably connected to the opposite surfaces of every two adjacent rotating plates (8).

7. The rearview mirror glass raw material feeding mechanism according to claim 6, characterized in that: The top two sides of the feeding plate (1) are rotatably connected with transmission gears (6), and the two center plates (9) are fixedly connected with toothed plates (7) that mesh with the outside of the transmission gears (6) on the side facing the transmission gears (6). The two sliding columns (5) are provided with drive teeth (503) that mesh with the transmission gears (6) on the contact surface with the transmission gears (6).

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