Lens assembly robot and frameless rearview mirror lens assembly structure

By designing a lens assembly robot for frameless rearview mirrors, the three-point stable fixation of the lens is achieved using pneumatic suction cups and jaws, and the assembly of the lens and the rear case is automatically completed through the robotic arm, the problem of difficulty in automating the lens assembly in the prior art is solved, and efficient and accurate lens assembly is achieved.

CN119369446BActive Publication Date: 2025-04-01HEFEI HAOXIANG AUTO PARTS
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Patent Information

Application Number
CN202411957541.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-04-01
Estimated Expiration
2044-12-30

AI Technical Summary

Technical Problem

The prior art is difficult to realize the automatic assembly of frameless rearview mirror lenses through robots. It is mainly because the lens parts are equipped with heating and other electrical functions, and circuit connections need to be manually completed, resulting in high operating accuracy requirements and difficult to achieve automation.

Method used

A lens assembly robot is designed, including a pneumatic suction cup and clamping jaw. The front of the lens is absorbed by the pneumatic suction cup, and the bent front end of the clamping jaw is clamped to achieve three-point stable fixation of the lens, and the insertion rod is automatically inserted into the cylinder seat through the robot arm to lock the assembly of the lens and the rear case.

Benefits of technology

It realizes automatic and rapid assembly of frameless rearview mirror lenses, improves assembly efficiency and accuracy, and facilitates the automated production of lenses.

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Abstract

The invention discloses a lens assembly robot and a frameless rearview mirror lens assembly structure, which relates to the field of robots, including a base, a pneumatic suction cup for adsorbing the front of the frameless rearview mirror lens is linearly slidably arranged in front of the base, the pneumatic suction cup can be moved forward and backward by being driven by a linear cylinder, clamping claws are symmetrically arranged on both sides of the base, the front ends of the clamping claws are bent at the back of the frameless rearview mirror lens, the two clamping claws can be opened and closed by being driven by a bidirectional cylinder, so that the front ends of the clamping claws can be folded at the back of the frameless rearview mirror lens or unfolded to the edge of the frameless rearview mirror lens, the invention assembles and fixes the lens to the rear shell by controlling the insertion and locking of the insertion rod and the cylinder seat, the robot has two clamping claws for holding the insertion rod and a pneumatic suction cup for adsorbing the lens to stabilize and fix the lens at three points, the insertion rod is squeezed by the clamping claws to fold the alignment cylinder seat, the linear cylinder pushes the lens to fit the rear shell, so that the insertion rod is automatically inserted into the cylinder seat and locked, thereby realizing automatic and rapid assembly of the lens.
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Description

Technical Field

[0001] The invention relates to the field of manipulators, and in particular to a lens assembly manipulator and a frameless rearview mirror lens assembly structure. Background Art

[0002] Frameless rearview mirrors are used by more and more car companies due to their high appearance. The angle adjustment of the frameless rearview mirror is completed by the overall movement of the rearview mirror. The lens is always sealed with the rear shell. The lens of the rearview mirror is combined with a back panel with an extremely narrow edge, and then the integrated back panel, lens and rear shell are assembled and connected.

[0003] The assembly process of the lens and the back shell of a frameless rearview mirror requires high operational precision. Since the lens is equipped with electrical functions such as heating, circuit connection must be made before the lens is assembled. To ensure the stability of the circuit connection, this process is generally completed manually, which makes it difficult to automate the assembly of frameless lenses using robots. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art, the purpose of the present invention is to provide a lens assembly robot and a frameless rearview mirror lens assembly structure, which are used to solve the problem that traditional cultural relics multimedia display equipment cannot simultaneously have convenience, timeliness and economy.

[0005] In order to solve the problems of the prior art, the technical solution of the present invention is as follows:

[0006] A lens assembly robot comprises a base, a pneumatic suction cup for adsorbing the front of a frameless rearview mirror lens is linearly slidably arranged in front of the base, the pneumatic suction cup can be moved forward and backward by being driven by a linear cylinder, and claws are symmetrically arranged on both sides of the base, the front ends of the claws are bent to the back of the frameless rearview mirror lens, and the two claws can be opened and closed by being driven by a bidirectional cylinder, so that the front ends of the claws can be folded to the back of the frameless rearview mirror lens or unfolded to the edge of the frameless rearview mirror lens.

[0007] Preferably, the maximum expansion distance between the bent front ends of the two clamping jaws is greater than the width of the frameless rearview mirror lens.

[0008] Preferably, the bent front end of the clamping jaw has a V-shaped buckle groove.

[0009] Preferably, the rear portion of the base is connected to the robotic arm via a movable seat, the movable seat comprises a seat shell connected to the robotic arm and a shaft member connected to the base, the front end face of the seat shell has a circular opening, the middle portion of the shaft member has an annular groove, both sides of the annular groove are clamped on the edge of the circular opening, so that the seat shell can move in a plane along the circular opening, a pressure block is provided in the seat shell through elastic sliding of a spring, the pressure block can squeeze the plane position of the positioning shaft member, fixed bevel handles are symmetrically fixed on both sides of the pressure block, the rear end of the clamping jaws has a movable bevel handle, when the clamping jaws are closed, the movable bevel handle inclined surface is driven to squeeze the fixed bevel handle to push the pressure block to separate from the shaft member.

[0010] Preferably, the contact surface between the pressing block and the shaft is a rough surface.

[0011] A frameless rearview mirror assembled using the lens assembly robot comprises a back plate, the back side of the frameless rearview mirror lens is bonded to the back plate, and also comprises two cartridge seats fixed inside the rear shell, and an insertion rod slidably plugged with the cartridge seats. Two sliding seats are arranged on the surface of the back plate, and the insertion rod is elastically slidably connected with the sliding seats through springs. When the pneumatic suction cup absorbs and fixes the frameless rearview mirror lens, the bent front end of the clamping claw is located on the back side of the back plate to clamp the outer sides of the two insertion rods. The elastic expansion spacing of the two insertion rods is greater than the spacing between the two cartridge seats. The two clamping claws push the two insertion rods together to the minimum spacing so that the two insertion rods are aligned with the two cartridge seats. The surface of the cartridge seat has a locking mechanism for locking the position of the insertion rod.

[0012] Preferably, two V-shaped sleeve frames are symmetrically fixed inside the rear shell, and the top corners of the sleeve frames are aligned and fixed to the end portion of the cartridge seat.

[0013] Preferably, an electrode sheet is provided on the inner wall of the cartridge seat, an electrode block is provided on the surface of the insertion rod, the circuit of the electrode block extends toward the back plate, and the insertion rod is inserted into the cartridge seat so that the electrode block contacts the electrode sheet.

[0014] Preferably, the surface of the insertion rod has a V-shaped groove, the electrode block is placed at the bottom of the V-shaped groove, and the contact portion between the electrode sheet and the electrode block is a deformable V-shaped bend.

[0015] Preferably, the locking mechanism includes an expansion shell fixed to the surface of the cylinder seat, a bevel block is elastically slid inside the expansion shell by a spring, the surface of the insertion rod has a groove for aligning the bevel block, and a pull handle is provided through the surface of the expansion shell, and the pull handle is fixedly connected to the bevel block.

[0016] Compared with the prior art, the advantages of the present invention are as follows:

[0017] 1. The present invention assembles and fixes the lens and the rear shell by controlling the insertion and locking of the insertion rod and the cartridge seat. The manipulator has two clamping claws for clamping the insertion rod and a pneumatic suction cup for adsorbing the lens to stabilize and fix the lens at three points. The clamping claws squeeze the insertion rod to close the cartridge seat, and the linear cylinder pushes the lens to fit the rear shell, so that the insertion rod is automatically inserted into the cartridge seat and locked, thereby realizing automatic and rapid assembly of the lens.

[0018] 2. The present invention arranges an electrode sheet in the cartridge seat and an electrode block on the surface of the insertion rod. When the cartridge seat and the insertion rod are plugged and fixed, the electrode sheet contacts the electrode block to realize automatic power connection to the lens power unit, which is convenient for the robot to automatically assemble the lens.

[0019] 3. The present invention connects the hand with the robot arm through a movable seat. When the clamping jaws are retracted to assemble the lens, the movable bevel handle squeezes the fixed bevel handle to separate the pressing block from the shaft, so that the hand and the lens have a planar movable effect, ensuring that the retracted insertion rod can be guided along the sleeve frame to the port of the barrel seat, realizing automatic and precise alignment, and facilitating and quickly assembling the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the robot of the present invention.

[0021] Figure 2 It is a schematic diagram of the movable seat structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the contact surface structure of the shaft member and the pressing block of the present invention.

[0023] Figure 4 It is a schematic diagram of the lens assembly structure of the present invention.

[0024] Figure 5 It is a schematic diagram of the plug-in structure of the plug rod and the cartridge seat of the present invention.

[0025] Figure 6 It is a schematic diagram of the contact structure between the electrode sheet and the electrode block of the present invention.

[0026] Figure 7 It is a schematic diagram of the locking mechanism structure of the present invention.

[0027] Figure 8 This is a schematic diagram of a robot assembling a lens according to the present invention;

[0028] Fig. 9 This is the second schematic diagram of the robot assembling lenses of the present invention.

[0029] Figure numerals: 1. movable seat; 11. seat shell; 12. shaft; 13. pressure block; 14. round mouth; 15. fixed bevel handle; 2. base; 3. bidirectional cylinder; 4. clamping claw; 41. buckle groove; 42. movable bevel handle; 5. linear cylinder; 51. pneumatic suction cup; 6. cylinder seat; 61. sleeve frame; 62. electrode sheet; 7. insertion rod; 71. electrode block; 8. slide seat; 9. locking mechanism; 91. expansion shell; 92. inclined clamp block; 93. clamping groove; 94. pull handle. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] The frameless rearview mirror lens assembly structure uses a plug-in locking method to quickly fix the lens part and the rear shell, and uses a matching assembly robot to automatically realize the assembly;

[0032] like Figure 4 , Figure 5 As shown, the back of the lens is fixed to the front of the back plate by bonding or clamping, so that the back plate and the lens are integrated. The back plate is made of hard plastic. Two linearly aligned slide seats 8 are symmetrically fixed on the back of the back plate. Cylindrical plug rods 7 are slidably installed in the slide seats 8. The plug rods 7 are elastically connected to one end of the slide seat 8 through a spring, so that the two plug rods 7 are expanded and distributed under the action of elastic force;

[0033] Two cartridge seats 6 are symmetrically fixed in the rear shell, and the cartridge seats 6 are structurally adapted to the insertion rod 7. When the two insertion rods 7 slide close to each other along the slide seat 8 to a minimum spacing, they can be precisely aligned with the two cartridge seats 6;

[0034] like Figure 7 As shown, the surfaces of the two cartridge seats 6 are both installed with locking mechanisms 9, which include an expansion shell 91 fixed to the surface of the cartridge seat 6, an inclined surface block 92 is elastically slidably installed in the expansion shell 91 through a spring, the inclined surface of the inclined surface block 92 points to the port direction of the cartridge seat 6, and a slot 93 for the inclined surface block 92 is provided on the surface of the insertion rod 7;

[0035] like Figure 1 As shown, the manipulator for assembling the rearview mirror lens has two parts, a hand and a manipulator arm. The manipulator arm has two mutually perpendicular rotation joints and a linear telescopic joint, which are used to drive the hand to rotate in a direction, adjust the angle and linear displacement. It belongs to the prior art and will not be described in detail here.

[0036] like Figure 1 , Figure 2As shown, the hand of the manipulator has a base 2, a pneumatic suction cup 51 is linearly slidably installed in front of the base 2, a linear cylinder 5 extending forward is installed on the surface of the base 2, and the telescopic end of the linear cylinder 5 is connected to the pneumatic suction cup 51. Two clamping claws 4 are symmetrically arranged on both sides of the base 2, and the front end of the clamping claw 4 is bent at a right angle. A bidirectional cylinder 3 extending to both sides is installed on the surface of the base 2, and the telescopic end of the bidirectional cylinder 3 is fixedly connected to the clamping claw 4;

[0037] When the lens is assembled, the front side of the lens is sucked by the pneumatic suction cup 51, and the two-way cylinder 3 drives the two clamping claws 4 to close, so that the bent front ends of the two clamping claws 4 are against the two insertion rods 7 on the inner side of the back plate. The bent front ends of the clamping claws 4 have a V-shaped buckle groove 41, and the buckle groove 41 can stably clamp the arc surface of the insertion rod 7. The robot arm stably fixes the lens through three-point fixation. The robot arm adjusts the hand and moves to the front side of the rear shell to align the back plate with the rear shell. The two-way cylinder 3 is turned on to drive the two clamping claws 4 to contract, and the front ends of the clamping claws 4 squeeze the two insertion rods 7 and slide them together along the slide seat 8, so that the two The insertion rod 7 is aligned with the cartridge seat 6, and then the linear cylinder 5 is turned on and extended to push the lens as a whole to move toward the rear shell, so that the insertion rod 7 is inserted into the cartridge seat 6. When the end of the insertion rod 7 is inserted into the cartridge seat 6 to restrict it from expanding, the bidirectional cylinder 3 is turned on and extended to expand and move the two clamping jaws 4 so that the front end of the clamping jaws 4 does not block the lens. The linear cylinder 5 is then turned on and extended to transport the lens forward so that the insertion rod 7 is completely inserted into the cartridge seat 6. The insertion rod 7 is locked by engaging the inclined surface block 92 with the clamping groove 93, and then ventilation is performed to separate the pneumatic suction cup 51 from the lens to complete the assembly of the lens.

[0038] like Figure 7 As shown, a pull handle 94 is provided on the surface of the expansion shell 91, and the pull handle 94 is fixedly connected to the inclined surface block 92. When the subsequent car owner needs to replace or maintain the lens, he / she can open the upper part of the rear shell to expose the internal cylinder seat 6 and the insertion rod 7. The pull handle 94 is pulled by hand to withdraw the inclined surface block 92 from the card slot 93, and the insertion rod 7 can be pulled out from the cylinder seat 6 to disassemble and replace the lens.

[0039] The electric components such as the lens heating are set between the back plate and the lens. The circuit needs to be connected when assembling the lens. The specific operation is as follows:

[0040] like Figure 5 , Figure 6 As shown, an electrode sheet 62 is installed on the inner wall of the cartridge seat 6, and the line of the electrode sheet 62 is led out for connecting to the car. The surface of the plug rod 7 has a V-shaped groove, and the electrode block 71 is installed at the bottom of the V-shaped groove. The line of the electrode block 71 extends from the inside of the plug rod 7 to the back plate direction, and is connected to the power unit in the back plate through a soft wire. The contact part of the electrode sheet 62 and the electrode block 71 is a deformable V-shaped bend;

[0041] When a robot is used to insert the insertion rod 7 into the tube seat 6 to assemble the lens, the electrode block 71 is aligned and contacted with the electrode sheet 62 to realize circuit connection. The electrode sheet 62 is inserted into the V-shaped groove through a deformable V-shaped bend, which not only makes the electrode sheet 62 and the electrode block 71 stably squeezed and contacted, but also has an auxiliary effect on the insertion and locking of the insertion rod 7.

[0042] In order to ensure that the manipulator controls the insertion rod 7 to be inserted into the cartridge seat 6 quickly and accurately, the following structure is set:

[0043] like Figure 4 As shown, two V-shaped sleeve frames 61 are symmetrically fixed inside the rear shell, and the top angles of the sleeve frames 61 are aligned and fixed to the end portion of the cartridge seat 6.

[0044] like Figure 2 As shown, the rear part of the base 2 is connected to the mechanical arm through the movable base 1, and the movable base 1 includes a base shell 11 connected to the mechanical arm and a shaft member 12 connected to the base 2. The front end surface of the base shell 11 has a circular opening 14, and the middle part of the shaft member 12 has an annular groove. Both sides of the annular groove are clamped on the edge of the circular opening 14, so that the base shell 11 can move along the circular opening 14 in a plane. A pressing block 13 is provided in the base shell 11 through spring elastic sliding. The pressing block 13 can squeeze and position the plane position of the shaft member 12. Fixed bevel handles 15 are symmetrically fixed on both sides of the pressing block 13. The rear end of the clamp 4 has a movable bevel handle 42, and the movable bevel handle 42 is aligned with the fixed bevel handle 15.

[0045] like Figure 3 As shown, the contact surface between the pressing block 13 and the shaft member 12 is a rough surface, and the pressing block 13 and the shaft member 12 are squeezed and locked in position by elastic force;

[0046] like Figure 8 , Fig. 9 As shown, the robot arm moves the hand and the lens to align with the rear shell, and the ends of the two inserted rods 7 in the expanded state are located on the inner side of the sleeve frame 61. The two-way cylinder 3 is opened to contract and drive the two clamping claws 4 to clamp the two inserted rods 7 together. During this process, the movable inclined handle 42 is synchronously retracted to contact the fixed inclined handle 15, prompting the pressing block 13 to overcome the elastic force and move and separate from the shaft 12. At this time, the shaft 12 loses the fixing force and can move in a plane. That is to say, at this time, the lens and the inserted rod 7 can be adjusted in a plane relative to the rear shell and the cartridge seat 6. The clamping claws 4 continue to clamp the inserted rod 7 and retract it. The inserted rod 7 is accurately guided to the port position of the cartridge seat 6 along the inner wall of the sleeve frame 61, and then the lens is pushed to insert the inserted rod 7 into the cartridge seat 6, achieving the effect of automatic and rapid alignment.

[0047] When the clamping jaws 4 are expanded, the movable bevel handle 42 does not conflict with the fixed bevel handle 15, and the pressing block 13 is re-pressed by the elastic force to fix the shaft 12, re-lock the plane position of the hand, and wait for the next assembly work to be carried out.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lens assembly robot, comprising a base (2), a pneumatic suction cup (51) for adsorbing the front of a frameless rearview mirror lens being provided in a linearly sliding manner in front of the base (2), characterized in that: The pneumatic suction cup (51) is driven by a linear cylinder (5) to move forward and backward, and clamping claws (4) are symmetrically arranged on both sides of the base (2), and the front ends of the clamping claws (4) are bent to the back of the frameless rearview mirror lens. The two clamping claws (4) are driven by a bidirectional cylinder (3) to open and close, so that the front ends of the clamping claws (4) can be retracted to the back of the frameless rearview mirror lens or unfolded to the edge of the frameless rearview mirror lens; The rear part of the base (2) is connected to the mechanical arm through a movable base (1). The movable base (1) comprises a base shell (11) connected to the mechanical arm and a shaft member (12) connected to the base (2). The front end surface of the base shell (11) has a circular opening (14). The middle part of the shaft member (12) has an annular groove. Both sides of the annular groove are clamped on the edges of the circular opening (14) so ​​that the base shell (11) can move in a plane along the circular opening (14). A pressing block (13) is arranged in the base shell (11) through spring elastic sliding. The pressing block (13) can press and position the plane position of the shaft member (12). Fixed bevel handles (15) are symmetrically fixed on both sides of the pressing block (13). The rear end of the clamping jaw (4) has a movable bevel handle (42). When the clamping jaw (4) is closed, the movable bevel handle (42) is driven to press the fixed bevel handle (15) with an inclined surface to push the pressing block (13) and separate from the shaft member (12).

2. The lens assembly robot according to claim 1, characterized in that: The maximum expansion distance between the bent front ends of the two clamping claws (4) is greater than the width of the frameless rearview mirror lens.

3. The lens assembly robot according to claim 2, characterized in that: The bent front end of the clamping claw (4) has a V-shaped buckling groove (41).

4. The lens assembly robot according to claim 1, characterized in that: The contact surface between the pressing block (13) and the shaft member (12) is a rough surface.

5. A frameless rearview mirror assembled by the lens assembly robot according to any one of claims 1 to 4, comprising a back plate, the back of the frameless rearview mirror lens being bonded to the back plate, characterized in that: It also includes two cartridge seats (6) fixed inside the rear shell, and an insertion rod (7) slidably plugged with the cartridge seats (6). Two slide seats (8) are arranged on the surface of the back plate. The insertion rod (7) is elastically slidably connected with the slide seats (8) via a spring. When the pneumatic suction cup (51) adsorbs and fixes the frameless rearview mirror lens, the bent front end of the clamping claw (4) is located on the back side of the back plate to clamp the outer sides of the two insertion rods (7). The elastic expansion spacing of the two insertion rods (7) is greater than the spacing of the two cartridge seats (6). The two clamping claws (4) push the two insertion rods (7) to move closer to the minimum spacing so that the two insertion rods (7) are aligned with the two cartridge seats (6). The surface of the cartridge seat (6) has a locking mechanism (9) for locking the position of the insertion rod (7).

6. The frameless rearview mirror according to claim 5, characterized in that: Two V-shaped sleeve frames (61) are symmetrically fixed inside the rear shell, and the top angles of the sleeve frames (61) are aligned and fixed to the end portion of the cartridge seat (6).

7. The frameless rearview mirror according to claim 5, characterized in that: The inner wall of the cartridge seat (6) is provided with an electrode sheet (62), the surface of the insertion rod (7) has an electrode block (71), the circuit of the electrode block (71) extends towards the back plate, and the insertion rod (7) is inserted into the cartridge seat (6) so that the electrode block (71) contacts the electrode sheet (62).

8. The frameless rearview mirror according to claim 7, characterized in that: The surface of the insertion rod (7) has a V-shaped groove, the electrode block (71) is placed at the bottom of the V-shaped groove, and the contact portion of the electrode sheet (62) with the electrode block (71) is in a deformable V-shaped bend.

9. The frameless rearview mirror according to claim 5, characterized in that: The locking mechanism (9) comprises an expansion shell (91) fixed to the surface of the cartridge seat (6), an inclined surface block (92) slidingly arranged in the expansion shell (91) via a spring, a surface of the insertion rod (7) having a slot (93) aligned with the inclined surface block (92), and a pull handle (94) penetrating the surface of the expansion shell (91), the pull handle (94) being fixedly connected to the inclined surface block (92).

Citation Information

Patent Citations

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