Clamp system for grinding and polishing rearview mirror

Abstract

The invention discloses a clamp system for grinding and polishing rearview mirrors. The clamp system comprises a supporting part, a clamping part and a clamping part, the clamp part is arranged at the top of the supporting part, the clamp part comprises a clamp bottom plate and a movable pressing plate capable of being lifted and adjusted above the clamp bottom plate, and a fourth profiling machining face higher than the horizontal plane of the clamp bottom plate is arranged on one side of the movable pressing plate. The flexible switching of different rearview mirror clamps can be quickly realized, and the working efficiency and the flexibility are greatly improved; the interference of the clamp to the robot is reduced to the minimum, so that the robot can freely perform grinding and polishing operation on the rearview mirror, and the operation is smooth and unobstructed; the rearview mirror is installed and fixed, the installation process is simple, convenient and rapid, fixation is stable and reliable, manual operation is greatly facilitated, and the working efficiency and convenience are improved; and by using the profiling block module design, the risk of wrong placement of the workpiece is effectively avoided.

Description

Technical Field

[0001] The invention relates to the technical field of rearview mirror processing, in particular to a fixture system for grinding and polishing rearview mirrors. Background Art

[0002] In the production and manufacturing of automobile rearview mirrors, the spray-coated rearview mirrors need to be ground and polished. Currently, this is mainly done manually. Because the amount of coating removed by grinding and polishing is generally small (generally 10-100μm), it is very easy to over-polish manually, and product consistency and pass rate are increasingly difficult to meet quality requirements.

[0003] The rearview mirror is a typical injection-molded thin-walled part with poor workpiece rigidity and lack of positioning reference, making it difficult to install and fix. Secondly, the rearview mirror is a semi-enveloping free-form curved surface, and its grinding and polishing requires large axis rotation, which has strong interference, and a professional fixture system needs to be designed to achieve robot grinding and polishing. Summary of the invention

[0004] The object of the present invention is to provide a fixture system for grinding and polishing rearview mirrors to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a fixture system for grinding and polishing rearview mirrors, comprising: A support portion for supporting; A fixture part, the fixture part is placed on the top of the support part, the fixture part includes a fixture bottom plate and a movable pressing plate above the fixture bottom plate which can be raised and lowered, one side of the movable pressing plate is provided with a profiling surface four which is higher than the horizontal plane of the fixture bottom plate, the outer side of the movable pressing plate is provided with a profiling surface three, and a positioning groove is formed between the profiling surface three and the profiling surface four for positioning the rearview mirror housing; The supporting part is placed above the movable pressure plate and is used to support the interior of the rearview mirror housing.

[0006] Preferably, the support portion comprises a mounting plate, a top of the mounting plate is fixedly connected to a tooling column, and the fixture bottom plate is fixedly connected to the tooling column.

[0007] Preferably, a left mounting column and a right mounting column are fixedly connected to the top of the fixture bottom plate, and both the left mounting column and the right mounting column are slidably connected to the movable pressure plate.

[0008] Preferably, a locking screw is rotatably connected to the top of the clamp base plate, and the locking screw is threadedly connected to the movable pressure plate.

[0009] Preferably, the support portion includes a left positioning block and a right positioning block.

[0010] Preferably, the left mounting column is located on a side close to the profiling surface four, the left positioning block is fixedly connected to the top of the left mounting column, and the top of the left mounting column is the profiling surface two of the arc-shaped structure.

[0011] Preferably, the right side positioning block is fixedly connected to the top of the right side mounting column, and the outer side of the right side positioning block is provided with a contoured processing surface 1 for supporting from the rearview mirror.

[0012] Compared with the prior art, the present invention has the following beneficial effects: Adopting innovative modular concept: just replace the corresponding contour block to quickly realize the flexible switching of different rearview mirror fixtures, which greatly improves the working efficiency and flexibility; Small fixture interference: This ensures that the fixture's interference with the robot is minimized, allowing the robot to freely perform the grinding and polishing of the rearview mirror with smooth and unobstructed operation; Rearview mirror installation and fixation: The installation process is simple and quick, and the fixation is firm and reliable, which greatly facilitates manual work and improves work efficiency and convenience.

[0013] Use contour block module design: effectively avoid the risk of incorrect placement of workpieces, strictly prevent collision accidents caused by misplacement of workpieces, and provide strong protection for operation safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG1 is an isometric view of the present invention; FIG2 is an isometric view of the present invention after the workpiece is installed; FIG3 is an isometric view of the movable pressing plate of the present invention when it is released; Figure 4 It is a structural schematic diagram of the movable pressing plate of the present invention; Figure 5 It is a schematic structural diagram of the workpiece of the present invention.

[0015] In the figure: 1. left positioning block; 2. left mounting column; 3. movable pressure plate; 4. fixture bottom plate; 5. mounting plate; 6. right positioning block; 7. right mounting column; 8. locking screw; 9. tooling column; 10. workpiece; 11. profiling surface one; 12. profiling surface two; 13. profiling surface three; 14. profiling surface four. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 5 The present invention provides a technical solution: a fixture system for grinding and polishing a rearview mirror, comprising: a supporting portion for supporting; a fixture portion, the fixture portion is placed on the top of the supporting portion, the fixture portion comprises a fixture bottom plate 4 and a movable pressing plate 3 which can be raised and lowered and adjusted above the fixture bottom plate 4, one side of the movable pressing plate 3 is provided with a profiling surface four 14 which is higher than the horizontal plane of the fixture bottom plate 4, the outer side of the movable pressing plate 3 is provided with a profiling surface three 13, and a positioning groove is formed between the profiling surface three 13 and the profiling surface four 14 for positioning the rearview mirror housing; the supporting portion is placed above the movable pressing plate 3, and is used to support the inside of the rearview mirror housing.

[0018] It should be noted that the fixture bottom plate 4 of the present invention is fixed to the tooling column 9 by screws, and the movable pressure plate 3 is fixed to the fixture bottom plate 4 by locking screws 8. The fixture bottom plate 4 and the movable pressure plate 3 constitute the workpiece lower clamping mechanism, and the bottom of the rearview mirror is inserted into the positioning groove between the profiling surface 4 14 and the profiling surface 3 13. The top of the fixture bottom plate 4 is provided with a positioning groove that matches the bottom of the workpiece 10, and the outer side of the profiling surface 4 14 is provided with a protrusion and a limit slot that matches the workpiece 10. The movable pressure plate 3 is pushed downward by rotating the locking screw 8, and the inner wall of the workpiece 10 is pressed downward by the movable pressure plate 3 to fix the workpiece 10 on the outer side of the left positioning block 1 and the right positioning block 6. The robot can conveniently realize the grinding and polishing of the rearview mirror; the installation and fixing of the rearview mirror is convenient and fast, and it is convenient for manual operation.

[0019] See also Figure 1 , 2 As shown in , 3 , the support portion includes a mounting plate 5 , a tooling column 9 is fixedly connected to the top of the mounting plate 5 , and the fixture bottom plate 4 is fixedly connected to the tooling column 9 .

[0020] It should be noted that the mounting plate 5 of the present invention has mounting holes, which can be installed and connected with external equipment, and can be connected to the tooling columns 9 by screws to form the base of the fixture system.

[0021] See also Figure 1 , 2 As shown in 3 , the top of the fixture bottom plate 4 is fixedly connected with a left mounting column 2 and a right mounting column 7 , and both the left mounting column 2 and the right mounting column 7 are slidably connected with the movable pressing plate 3 .

[0022] It should be noted that the left positioning block 1 and the left mounting column 2 of the present invention are installed on the fixture bottom plate 4 by screws, and are used to position the left side of the workpiece 10, and different rearview mirrors can be replaced with corresponding profiling blocks, and different rearview mirror fixtures can be quickly switched. Similarly, the right positioning block 6 and the right mounting column 7 are installed on the fixture bottom plate 4 by screws, and are used to position the right side of the workpiece 10.

[0023] See also Figure 1 , 2 As shown in Figure 3, the top of the clamp base plate 4 is rotatably connected with a locking screw 8, and the locking screw 8 is threadedly connected to the movable pressure plate 3. The supporting part includes a left positioning block 1 and a right positioning block 6. The left mounting column 2 is located on the side close to the profiling surface four 14. The left positioning block 1 is fixedly connected to the top of the left mounting column 2. The top of the left mounting column 2 is a profiling surface two 12 of an arc-shaped structure. The right positioning block 6 is fixedly connected to the top of the right mounting column 7. The outer side of the right positioning block 6 is provided with a profiling surface one 11 for supporting from the rearview mirror.

[0024] It should be noted that the upper edge of the clamp bottom plate 4 of the present invention has a profiling surface 4 14, and the outer side of the mounting plate 5 has a profiling surface 3 13, both of which are profiling according to the outline of the workpiece 10. After the locking screw 8 is tightened, the profiling surface 4 14 fits with the outer lower edge of the workpiece 10, and the profiling surface 3 13 fits with the inner lower edge of the workpiece 10, thereby clamping the lower part of the workpiece 10. The outer side of the left positioning block 1 has a profiling surface 2 12, and the outer side of the left positioning block 1 is provided with a special-shaped hole that matches the workpiece 10, which is used for matching and positioning the workpiece 10. During installation, the profiling surface 1 11, the profiling surface 2 12, the profiling surface 3 13 and the profiling surface 4 14 can fit with the inner wall of the workpiece 10, which can effectively avoid the wrong placement of the workpiece and prevent the collision accident caused by the wrong placement of the workpiece. The outer side of the right positioning block 6 has a profiling surface 11, and the two profiling surfaces are also profiling according to the outline of the workpiece 10. The first profiling surface 11 is in contact with the upper right side of the workpiece 10, and the second profiling surface 12 is in contact with the upper left side of the workpiece 10, playing a supporting role. The workpiece can be accurately positioned by the four profiling surfaces, and it can provide good support when processing the outer surface of the workpiece 10, and can avoid interference. It can be quickly clamped by a locking screw, which is convenient for installation and removal.

[0025] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0027] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0028] 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 fixture system for grinding and polishing rearview mirrors, characterized in that: include: A support portion for supporting; A fixture part, the fixture part is placed on the top of the support part, the fixture part comprises a fixture bottom plate (4) and a movable pressure plate (3) above the fixture bottom plate (4) which can be raised and lowered, one side of the movable pressure plate (3) is provided with a profiling surface four (14) which is higher than the horizontal plane of the fixture bottom plate (4), the outer side of the movable pressure plate (3) is provided with a profiling surface three (13), and a positioning groove is formed between the profiling surface three (13) and the profiling surface four (14) for positioning the rearview mirror housing; A support portion is disposed above the movable pressure plate (3) and is used to support the interior of the rearview mirror housing.

2. The fixture system for grinding and polishing rearview mirror according to claim 1, characterized in that: The support portion comprises a mounting plate (5), the top of the mounting plate (5) is fixedly connected to a tooling column (9), and the fixture bottom plate (4) is fixedly connected to the tooling column (9).

3. The fixture system for grinding and polishing rearview mirror according to claim 1, characterized in that: A left mounting column (2) and a right mounting column (7) are fixedly connected to the top of the clamp bottom plate (4), and both the left mounting column (2) and the right mounting column (7) are slidably connected to the movable pressing plate (3).

4. The fixture system for grinding and polishing rearview mirror according to claim 1, characterized in that: The top of the clamp bottom plate (4) is rotatably connected to a locking screw (8), and the locking screw (8) is threadedly connected to the movable pressure plate (3).

5. The fixture system for grinding and polishing rearview mirror according to claim 3, characterized in that: The support portion comprises a left positioning block (1) and a right positioning block (6).

6. The fixture system for grinding and polishing rearview mirror according to claim 5, characterized in that: The left mounting column (2) is located on a side close to the profiling surface four (14), the left positioning block (1) is fixedly connected to the top of the left mounting column (2), and the top of the left mounting column (2) is the profiling surface two (12) of the arc structure.

7. The fixture system for grinding and polishing rearview mirror according to claim 6, characterized in that: The right side positioning block (6) is fixedly connected to the top of the right side mounting column (7), and the outer side of the right side positioning block (6) is provided with a contoured processing surface (11) for supporting from the rearview mirror.

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