Mirror polishing device of grinding and polishing equipment

By adopting a dual lifting mechanism and a rotating flange design in the grinding and polishing equipment, the problem of poor versatility of the equipment is solved, achieving compatibility with workpieces of different shapes and cost savings.

CN223947605UActive Publication Date: 2026-02-27DONGGUAN HAILIN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520577129.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-27
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing grinding and polishing equipment has poor versatility and cannot be compatible with workpieces of various different structures, resulting in high equipment costs.

Method used

Two parallel and vertically distributed lifting mechanisms are set on the gantry support, combined with a rotating flange, to realize the lifting and rotating movements of the polishing components, which is compatible with workpieces of different shapes.

Benefits of technology

It improves the versatility and processing efficiency of grinding and polishing equipment, and reduces processing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mirror polishing device of grinding and polishing equipment, which comprises a gantry bracket, a first lifting mechanism and a second lifting mechanism which are connected to the gantry bracket, and a polishing component which is controlled by the first lifting mechanism and the second lifting mechanism to synchronously lift, the first lifting mechanism and the second lifting mechanism are parallel to each other and are vertically arranged, and the polishing assembly is used for polishing a workpiece. According to the mirror polishing device of the grinding and polishing equipment, the two lifting mechanisms which are parallel to each other and are vertically distributed are arranged on the gantry support and used for driving the polishing assembly to ascend and descend, meanwhile, the rotating flanges are further arranged on the lifting mechanisms and used for driving the polishing assembly to rotate by an angle, and the mirror polishing device runs stably and can be compatible with workpieces of different shapes; and the universality is high, and the machining cost can be saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automatic polishing equipment technical field, especially a kind of mirror polishing device of polishing equipment. BACKGROUND

[0002] The existing manual polishing equipment mainly polishes the surface of workpiece by automatically rotating abrasive belt or grinding disc. The existing polishing equipment generally only polishes workpiece of specific shape or structure, so the polishing equipment cannot be compatible with workpiece of various structures, causing poor versatility and high cost of equipment. SUMMARY

[0003] The utility model discloses a mirror polishing device of polishing equipment to overcome the defects of prior art, so as to solve the technical problem of poor versatility of existing polishing equipment.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The embodiment of the utility model provides a kind of mirror polishing device of polishing equipment, it includes: portal frame, first lifting mechanism and second lifting mechanism connected to the portal frame, and the polishing assembly synchronous lifting under the control of the first lifting mechanism and the second lifting mechanism, the first lifting mechanism and the second lifting mechanism are mutually parallel and vertically arranged, and the polishing assembly is used to polish workpiece.

[0006] Wherein, the polishing assembly includes: rotating seat, at least one set of polishing unit connected to the rotating seat, and the polishing unit is rotating polishing unit.

[0007] Wherein, the polishing unit includes: double-output-shaft motor, polishing wheel connecting seat connected to the two end output shafts of the double-output-shaft motor, and polishing wheel connected to the polishing wheel connecting seat, and the polishing wheel extends from the rotating seat.

[0008] Wherein, the polishing wheel is polishing cloth wheel.

[0009] Wherein, the portal frame includes: first column, second column and cross arm connected to the top of the first column and second column at both ends;The first lifting mechanism is connected to the first column, and the second lifting mechanism is connected to the second column.

[0010] Wherein, the first lifting mechanism includes: first drive unit, first screw rod rotated under the control of the first drive unit, two first guide rail units arranged in parallel on both sides of the first screw rod, first connecting piece connected to the first screw rod, and driven flange unit connected to the first connecting piece.

[0011] The first guide rail unit comprises a longitudinal guide rail and at least two sliding blocks slidingly connected to the longitudinal guide rail, the sliding blocks are further connected to the first connecting piece, and the longitudinal guide rail is connected to the first vertical column.

[0012] The first lifting mechanism further comprises an upper folding protective cover connected to an upper end edge of the first connecting piece and a lower folding protective cover connected to a lower end edge of the first connecting piece.

[0013] The second lifting mechanism comprises a second driving unit, a second screw rod controlled to rotate by the second driving unit, a second guide rail unit arranged in parallel on both sides of the second screw rod, a second connecting piece connected to the second screw rod, and a driving flange unit connected to the second connecting piece, an upper end edge of the second connecting piece is further connected with an upper folding protective cover, and a lower end edge of the second connecting piece is further connected with a lower folding protective cover, and the upper folding protective cover and the lower folding protective cover are both organ type protective covers.

[0014] The driving flange unit comprises a flange driving piece, a right-angle inverter and a driving flange disc, an output shaft of the flange driving piece is connected to an input end of the right-angle inverter, and an output end of the right-angle inverter is connected to the driving flange disc.

[0015] The mirror polishing device of the grinding and polishing equipment has the advantages that two lifting mechanisms vertically distributed and parallel to each other are arranged on the gantry support and used for driving polishing components to perform lifting actions, a rotating flange is further arranged on the lifting mechanism and used for driving the polishing components to rotate at an angle, the mirror polishing device has stable operation, can be compatible with workpieces of different shapes, has high universality and can save machining cost.

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the gantry device and the grinding and polishing assembly of the mirror polishing device of the grinding and polishing equipment.

[0018] Figure 2 It is a polishing assembly structure schematic view of the mirror polishing device of the grinding and polishing equipment.

[0019] Figure 3 It is a polishing assembly partial exploded view of the mirror polishing device of the grinding and polishing equipment.

[0020] Figure 4 It is single polishing unit part structure schematic view of mirror polishing device of grinding and polishing equipment of the utility model embodiment.

[0021] Figure 5 It is grinding and polishing assembly top structure schematic view of mirror polishing device of grinding and polishing equipment of the utility model embodiment.

[0022] Figure 6 And Figure 7 It is whole different visual angle structure schematic view of mirror polishing device of grinding and polishing equipment of the utility model embodiment.

[0023] Figure 8 And Figure 9 It is first lifting mechanism part different visual angle structure schematic view of mirror polishing device of grinding and polishing equipment of the utility model embodiment.

[0024] Figure 10 And Figure 11 It is second lifting mechanism part different visual angle structure schematic view of mirror polishing device of grinding and polishing equipment of the utility model embodiment.

[0025] Figure 12 And Figure 13 It is second lifting mechanism part internal structure different visual angle schematic view of mirror polishing device of grinding and polishing equipment of the utility model embodiment.

[0026] Explanation of reference signs:

[0027] 100-gantry device, 11-gantry support, 111-cross arm, 112-first stand, 113-second stand, 12-first lifting mechanism, 121-first drive unit, 122-first guide rail unit, 1221-first lead screw, 123-foldable lower protective cover, 124-foldable upper protective cover, 125-first connecting piece, 13-second lifting mechanism, 131-second guide rail unit, 1311-longitudinal guide rail, 1312-longitudinal guide rail, 1313-sliding block, 1314-sliding block, 132-second connecting piece, 133-foldable lower protective cover, 134-foldable upper protective cover, 135-second drive unit, 136-second lead screw, 137-upper shaft seat, 138-lead screw seat, 139-lower shaft seat, 14-driven flange unit, 141-flange connecting seat, 142-driven flange, 15-driven flange unit, 151-flange driving piece, 152-right angle commutator, 153-driven flange, 154-cable chain, 500-mirror polishing assembly, 51-rotating seat, 510-mounting cavity, 511, 512-rotating seat lengthwise two ends, 52-polishing unit, 53-polishing unit, 521-double output shaft motor, 522-upper connecting plate, 523-lower connecting plate, 524-polishing wheel connecting seat

[0028] 525 - polishing wheel, 526 - polishing wheel connecting seat, 527 - polishing wheel. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model clearer, specific embodiments will be further described in combination with the drawings and specific embodiments.

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship described based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be connected, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature, can include that first and second features are direct contact, also can include that first and second features are not direct contact but contact through other feature between them.Moreover, first feature "on", "above" and "on" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that first feature horizontal height is higher than second feature.First feature "under", "below" and "under" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that first feature horizontal height is less than second feature.

[0035] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The existing manual grinding and polishing equipment has the following main defects: the automation level is limited, most of the equipment relies on manual operation, the efficiency is low and the consistency is poor, the labor cost is high, the process relies on experience, the parameter optimization lacks scientific model support, and it is difficult to realize precise quality control. Among them, maintaining the stability between each functional unit of the grinding and polishing equipment is a key factor to improve the grinding and polishing quality. Therefore, based on the above requirements, the embodiment provides a mirror polishing device of a grinding and polishing equipment.

[0037] Please refer to Figures 1 to 13 The embodiment discloses a mirror polishing device of a grinding and polishing equipment, which comprises a gantry device 100 and a polishing assembly 500 controlled by the gantry device 100, the gantry device 100 is used to drive the polishing assembly 500 to perform vertical lifting action, and the polishing assembly 500 is used to drive a cloth wheel to perform surface polishing treatment on a workpiece.

[0038] Please refer to Figures 6 to 13 The gantry device 100 comprises a gantry support 11 and first and second lifting mechanisms 12 and 13 connected to the gantry support 11, the first and second lifting mechanisms 12 and 13 are arranged vertically and parallel to each other, and the first and second lifting mechanisms 12 and 13 each comprise a double-rail driving unit. The lifting mechanism of the mirror polishing device 100 of the grinding and polishing equipment of the embodiment adopts a double-rail driving unit, greatly improves the stability of the polishing unit operation and the precision of the lifting action, and is beneficial to the grinding and polishing quality and effect of the automatic grinding and polishing equipment.

[0039] As shown in Figure 7 , the gantry support 11 comprises a first column 112, a second column 113, and a cross arm 111 connected to the top ends of the first column 112 and the second column 113 respectively; the first lifting mechanism 12 is connected to the first column 112, and the second lifting mechanism 13 is connected to the second column 113. The first column 112, the second column 113, and the cross arm 111 together form a reversed U-shaped support frame mechanism, i.e., a gantry structure.

[0040] Please refer to Figure 8 and Figure 9 again, the first lifting mechanism 12 comprises a first driving unit 121, a first screw rod 1221 controlled to rotate by the first driving unit 121, two first guide rail units 122 arranged in parallel on both sides of the first screw rod 1221, a first connecting piece 125 connected to the first screw rod 1221, and a driven flange unit 14 connected to the first connecting piece 125.

[0041] Among them, the first guide rail unit 122 comprises a longitudinal guide rail and at least two sliding blocks connected to the longitudinal guide rail, the sliding blocks are also connected to the first connecting piece 125, and the longitudinal guide rail is connected to the first column 112. The sliding blocks and the longitudinal guide rail are in a trapezoidal slot connection.

[0042] The driven flange unit 14 comprises a flange connecting seat 141 connected to the first connecting piece 125 and a flange plate 142 connected to the flange connecting seat 141. Specifically, the axial direction of the flange plate 142 is perpendicular to the lifting direction of the first lifting mechanism 12, and the disc surface of the flange plate 142 is horizontally arranged towards the side of the second lifting mechanism 13.

[0043] In this embodiment, the first driving unit 122 is a rotating driving module such as a servo motor.

[0044] In the process of polishing the workpiece, there are certainly some particles produced by the grinding and polishing. In order to improve the smooth operation and service life of the first lifting mechanism 12 and the second lifting mechanism 13, the first lifting mechanism 12 further comprises an upper folding protective cover 124 connected to the upper end edge of the first connecting piece 125, and a lower folding protective cover 123 connected to the lower end edge of the first connecting piece 125. Specifically, the upper folding protective cover 124 and the lower folding protective cover 123 are both organ type protective covers. The driven flange unit 14 follows the first connecting piece 125 and is controlled by the first driving unit 121 to perform lifting action along the first guide rail unit 122, while the top end edge of the upper folding protective cover 124 is fixedly connected to the top of the first vertical column 112, and the lower end edge of the lower folding protective cover 123 is fixedly connected to the bottom of the first vertical column 112. In the process of synchronous lifting of the first connecting piece 125 and the driven flange unit 14, the upper folding protective cover 124 and the lower folding protective cover 123 both follow the first connecting piece 125 to perform vertical expansion and contraction action, so that the internal structure of the first lifting mechanism 12 is always kept inside the variable sealing protective cover composed of the first connecting piece 125, the upper folding protective cover 124 and the lower folding protective cover 123, thereby avoiding the entry of external grinding and polishing debris, damaging the track, and affecting the smoothness and service life.

[0045] Please refer again to Figures 10 to 13 The second lifting mechanism 13 comprises a second driving unit 135, a second screw rod 136 controlled by the second driving unit 135, a second guide rail unit 131 arranged in parallel on both sides of the second screw rod 136, a second connecting piece 132 connected to the second screw rod 136, and a driving flange unit 15 connected to the second connecting piece 132.

[0046] The upper end edge of the second connecting piece 132 is further connected with an upper folding protective cover 134, and the lower end edge of the second connecting piece 132 is further connected with a lower folding protective cover 133.

[0047] In the present embodiment, the upper folding protective cover 134 and the lower folding protective cover 133 are both organ type protective covers. The functions of the upper folding protective cover 134 and the lower folding protective cover 133 are the same as those of the first lifting mechanism 12.

[0048] The active flange unit 15 comprises a flange driving part 151, a right-angle commutator 152 and an active flange 153. The output shaft of the flange driving part 151 is connected to the input end of the right-angle commutator 152, and the output end of the right-angle commutator 152 is connected to the active flange 153. The flange driving part 151 is vertically arranged on the second vertical column 113, and the rotation direction of the active flange 153 is horizontal direction. Therefore, the right-angle commutator 152 is used for transmission commutation between the flange driving part 151 and the active flange 153, so as to realize the power right-angle commutation of the flange driving part 151. The second connecting part 132 is also provided with a drag chain 154, which is used for arranging the wires electrically connected to the servo motor.

[0049] Please refer to Figure 12 and Figure 13 again, the second guide rail unit 131 comprises a longitudinal guide rail 1311 (1312) and at least two sliding blocks 1313 (1314) slidingly connected to the longitudinal guide rail 1311. The sliding blocks 1313 are also connected to the second connecting part 132, and the longitudinal guide rail 1311 is connected to the second vertical column 113.

[0050] The longitudinal guide rail 1311 and the longitudinal guide rail 1312 are fixedly connected to the second vertical column 113 and are parallelly distributed on both sides of the second lead screw 126. The second lead screw 136 is also provided with a lead screw seat 138, which is also connected to the second connecting part 132, so as to convert the rotation power of the second lead screw 136 into vertical lifting power. The second lead screw 136 is also provided with an upper shaft seat 137 near the upper end and a lower shaft seat 139 near the lower end, and the second lead screw 136 is rotatably inserted into the upper shaft seat 137 and the lower shaft seat 139. The second driving unit 135, the second guide rail unit 131, the second lead screw 136, the lead screw seat 138, the upper shaft seat 137 and the lower shaft seat 139 form a lead screw driving module.

[0051] In the embodiment, the second driving unit 135 and the flange driving part 151 are both servo motors.

[0052] Please refer to Figure 6 again, the first lifting mechanism 12 and the second lifting mechanism 13 connected to the gantry support 11 are respectively used for driving the driven flange unit 14 and the active flange unit 15 to perform synchronous lifting actions. The driven flange unit 14 and the active flange unit 15 are oppositely arranged, and a grinding and polishing tool, such as a rough grinding tool and a fine grinding tool, is arranged between the two. The two ends of the grinding and polishing tool are screw-connected to the driven flange 142 and the active flange 153. When it is necessary to adjust the angle of the grinding and polishing tool, the flange driving unit 151 is controlled to be started, the active flange 153 is rotated by a certain angle through the right-angle commutator 152, so as to realize the angle adjustment of the grinding and polishing tool.

[0053] The gantry device 100 of the embodiment is provided with two lifting mechanisms vertically distributed and parallel to each other on the gantry support, the first lifting mechanism is internally provided with double tracks and at least two sliding blocks slidingly connected to the double tracks, thereby improving the lifting stability of the first lifting mechanism, and the second lifting mechanism is also provided with the mechanism of double tracks and at least two sliding blocks, thereby improving the lifting stability on the side, and the polishing unit lifting execution device composed of the first lifting mechanism and the second lifting mechanism further improves the stability of the overall lifting operation, thereby forming a multi-stage stable design to improve the stability, and the polishing unit lifting execution device is used for driving the lifting action of the polishing unit. Meanwhile, the lifting mechanism is also provided with a rotating flange to cooperate with the lifting mechanism to realize the rotating operation of the polishing unit, and the gantry device is stable and reliable, and can realize the precise lifting and rotating action of the polishing unit.

[0054] Please refer to Figures 1 to 4 , the polishing assembly 500 comprises a rotating seat 51, at least one set of polishing units 52 connected to the rotating seat 51, and the polishing unit 52 is a rotating polishing unit. In the embodiment, the polishing unit is provided with two sets, and the other set is a polishing unit 53.

[0055] The structure of one set of polishing units 52 is described below, the polishing unit 52 comprises a double-output-shaft motor 521, polishing wheel connecting seats 524 and 526 connected to the two end output shafts of the double-output-shaft motor 521, and polishing wheels 525 and 527 connected to the polishing wheel connecting seats 524 and 526, and the polishing wheels 525 and 527 extend out of the rotating seat 51.

[0056] In the embodiment, the polishing wheels 525 and 527 are polishing cloth wheels. In other embodiments, other abrasive wheels can also be used.

[0057] Specifically, the rotating seat 51 is provided with a mounting cavity 510, and the rotating seat 51 is in the shape of a cuboid, and the long direction two ends 511 and 512 are connected to the driven flange unit 14 of the first lifting mechanism 12 and the driving flange unit 15 of the second lifting mechanism 13. The polishing assembly 500 can be controlled to move up and down on the gantry device by the first lifting mechanism 12 and the second lifting mechanism 13, and can be controlled to rotate by the driven flange unit 14 and the driving flange unit 15, thereby adjusting the angle of the polishing wheels 525 and 527 connected to the rotating seat 51 to adapt to the polishing processing of workpieces with different outer shapes.

[0058] The two ends of the double-output-shaft motor 521 are also respectively provided with an upper connecting plate 522 and a lower connecting plate 523, and the upper connecting plate 522 and the lower connecting plate 523 assemble the double-output-shaft motor 521 on the adapter seat 51.

[0059] It should be noted that the polishing unit in the embodiment adopts a double-station design, and two workpieces can be processed simultaneously, and the number of polishing units can be increased or decreased according to actual needs in other embodiments. In addition, different grits of polishing cloth can be used for the polishing wheels of multiple polishing units to achieve different mirror polishing. Alternatively, multiple identical polishing cloths can be used to reduce the polishing cloth replacement cycle and improve the processing efficiency.

[0060] The mirror polishing device of the polishing equipment in the embodiment is provided with two lifting mechanisms that are parallel to each other and vertically distributed on the gantry support, which are used to drive the polishing unit to perform lifting action, and the lifting mechanisms are also provided with rotating flanges, which are used to drive the polishing unit to rotate at an angle. The mirror polishing device has stable operation and can be compatible with workpieces of different shapes, has strong versatility, and can save processing cost.

[0061] The above only further illustrates the technical content of the present application by way of examples, so as to make it easier for the reader to understand, but does not represent that the embodiments of the present application are limited to this. Any technical extension or re-creation made according to the present application is also protected by the present application. The protection scope of the present application is subject to the claims.

Claims

1. A mirror polishing device for a grinding and polishing equipment, characterized in that, The polishing assembly comprises a rotating seat and at least one polishing unit connected to the rotating seat, wherein the polishing unit is a rotating polishing unit. The polishing unit comprises a double-output-shaft motor, a polishing wheel connecting seat connected to two end output shafts of the double-output-shaft motor, and a polishing wheel connected to the polishing wheel connecting seat, wherein the polishing wheel extends out of the rotating seat.

2. The mirror polishing device of the polishing and finishing apparatus according to claim 1, wherein The polishing wheel is a polishing cloth wheel.

3. The mirror polishing device of the polishing and finishing apparatus according to claim 2, wherein The gantry comprises a first column, a second column, and a cross arm connected to top ends of the first column and the second column respectively; the first lifting mechanism is connected to the first column, and the second lifting mechanism is connected to the second column.

4. The mirror polishing device of the polishing and finishing apparatus according to claim 3, wherein The first lifting mechanism comprises a first driving unit, a first screw rod controlled to rotate by the first driving unit, two first guide rail units arranged in parallel on two sides of the first screw rod, a first connecting piece connected to the first screw rod, and a driven flange unit connected to the first connecting piece.

5. The mirror polishing apparatus of the polishing and finishing equipment according to any one of claims 1 to 4, characterized by The first guide rail unit comprises a longitudinal guide rail and at least two sliding blocks connected to the longitudinal guide rail, wherein the sliding blocks are also connected to the first connecting piece, and the longitudinal guide rail is connected to the first column.

6. The mirror polishing device of the polishing and finishing apparatus according to claim 5, wherein The first lifting mechanism further comprises an upper folding protective cover connected to an upper end edge of the first connecting piece, and a lower folding protective cover connected to a lower end edge of the first connecting piece.

7. The mirror polishing device of the grinding and polishing equipment according to claim 6, characterized in that, The second lifting mechanism comprises a second driving unit, a second screw rod controlled to rotate by the second driving unit, a second guide rail unit arranged in parallel on two sides of the second screw rod, a second connecting piece connected to the second screw rod, and a driving flange unit connected to the second connecting piece, wherein an upper end edge of the second connecting piece is also connected to an upper folding protective cover, and a lower end edge of the second connecting piece is also connected to a lower folding protective cover, and the upper folding protective cover and the lower folding protective cover are both organ-type protective covers.

8. The mirror polishing device of the polishing and finishing apparatus according to claim 7, wherein The driving flange unit comprises a flange driving piece, a right-angle commutator, and a driving flange disc, wherein an output shaft of the flange driving piece is connected to an input end of the right-angle commutator, and an output end of the right-angle commutator is connected to the driving flange disc.

9. The mirror polishing device of the polishing apparatus according to claim 8, wherein ​ 10. The mirror polishing apparatus of the polishing equipment according to claim 9, wherein ​