CN116061058A

CN116061058A - Coating aluminum plate edge polishing equipment for carriage

Info

Publication number: CN116061058A
Application number: CN202211655153.0A
Authority: CN
Inventors: 郭永忠
Original assignee: Anhui Wonderful Wall Color Coating Aluminum Science Technology Co ltd
Current assignee: Anhui Wonderful Wall Color Coating Aluminum Science Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-05

Abstract

The invention discloses coated aluminum plate edge polishing equipment for a carriage, which comprises a base, wherein two sides of the lower end surface of a bearing plate are symmetrically and slidingly connected with a moving plate, an electric polishing belt is fixed at the bottom of the moving plate, and the lower side of the bearing plate is connected with a pressing plate through an electric telescopic column. This coating aluminum plate edge equipment of polishing for carriage, drop to the bottom with the loading board and utilize the bolt to lock after the limiting plate, first gear continues the corotation, because third gear and fourth gear are incomplete gear, the fourth gear continues to rotate the back, the fifth gear does not changeing, the third gear begins to rotate, thereby drive the lead screw and rotate, two movable plates are close to each other, utilize electronic polishing area to hold right coating aluminum plate and utilize the clamp plate to support behind the fixed coating aluminum plate available electronic polishing to bring polishing coating aluminum plate, the device utilizes this actuating device of positive and negative motor to realize the vertical and horizontal direction location operation of electronic polishing area, work efficiency is high.

Description

Coating aluminum plate edge polishing equipment for carriage

Technical Field

The invention relates to the technical field of carriage coated aluminum plate processing, in particular to carriage coated aluminum plate edge polishing equipment.

Background

In the known technical field, the aluminum material has the excellent characteristics of high strength, small density, convenient processing and the like, and in addition, the surface of the aluminum material is subjected to deep treatment, such as adopting various coating methods and the like, so that the performance of the aluminum material is further improved, the aluminum material is widely applied to various fields of production and life, the inner wall of a carriage is generally coated with the coated aluminum material, and compared with the material of a general composite board, the coated aluminum material has the advantages of high structural strength, long service life, corrosion resistance, light weight, wear resistance and strong anti-fouling capability, so that the aluminum material is widely applied in the decoration of the carriage, and in the process of producing the coated aluminum plate, polishing treatment is needed to be carried out on the edge of the coated aluminum plate by polishing equipment in order to enable the edge of the coated aluminum plate to be smoother and flatter.

Through massive search, the polishing equipment in the prior art is found to be typical as a polishing device of an aluminum plate with a simple structure, improved working efficiency and low cost in the publication No. CN 109129137A. The polishing machine comprises a frame, a polishing mechanism and a moving mechanism, wherein the frame comprises a pair of upright posts and a workbench arranged on the pair of upright posts, a plurality of air holes are formed in the workbench, and the air holes are connected with a negative pressure source through air pipes; the polishing mechanism comprises a lifting rod, a connecting rod, a motor, a rotating shaft and a polishing head, wherein the lifting rod is vertically connected to the workbench, the connecting rod is horizontally connected to the lifting rod, the polishing head is connected to the motor through the rotating shaft, and the polishing head is positioned below the connecting rod; the moving mechanism comprises a rotary workbench and a plurality of roll shafts, the rotary workbench is arranged in the middle of the workbench, the roll shafts are arranged at intervals, and the rotation direction of the roll shafts is far away from the lifting rod.

In summary, the existing polishing apparatus generally needs to perform positioning treatment on the polishing tool before polishing the coated aluminum plate, and the height positioning and the horizontal positioning generally need to be implemented by using two separate driving apparatuses, which has relatively high manufacturing cost and can affect the positioning efficiency.

Disclosure of Invention

The invention aims to provide coated aluminum plate edge polishing equipment for a carriage, which aims to solve the problems that the existing polishing equipment provided in the background art generally needs to carry out positioning treatment on a polishing tool before polishing a coated aluminum plate, the height positioning and the horizontal positioning generally need to be realized by two independent driving equipment, the manufacturing cost is relatively high, and the positioning efficiency can be influenced.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a coating aluminum plate edge equipment of polishing for carriage, includes the base, the top of base rotates and is connected with the extension board, the up end of base is fixed with the support, be fixed with the layer board on the inner wall of support, the bilateral symmetry at top is fixed with the pinion rack in the support, the slot has been seted up to the interior terminal surface of pinion rack, the bottom of pinion rack is fixed with the loading board, the top of loading board is fixed with slewing mechanism.

The top of loading board is fixed with locking mechanical system, locking mechanical system sliding connection is in the outside of pinion rack, the bilateral symmetry sliding connection of terminal surface has the movable plate under the loading board, the bottom of movable plate is fixed with electronic polishing area, the downside of loading board is connected with the clamp plate through electronic telescopic column.

Preferably, a motor is fixed in the base, and the top of the motor is connected with the support plate.

Preferably, the rotating mechanism comprises a positive and negative motor, a first gear, a second gear, a first connecting shaft, a fixed plate, a rotary table, an extrusion strip, a third gear, a fourth gear, a fifth gear, a second connecting shaft and a sixth gear, wherein the positive and negative motor is fixed at the top of the bearing plate, the output end of the positive and negative motor is connected with the first gear, the top of the first gear is meshed and connected with the second gear, the second gear is fixed at the outer side of the first connecting shaft, one end of the first connecting shaft and the outer side of the first connecting shaft are both fixed with the rotary table, and the extrusion strip is fixed on the outer end face of the rotary table.

Preferably, the other end of the first connecting shaft is fixed with a third gear, the outer side of the first connecting shaft is fixed with a fourth gear, the fourth gear is located between the two fixing plates, the fixing plates are symmetrically fixed on two sides of the upper end face of the bearing plate, and the first connecting shaft penetrates through the two fixing plates.

Preferably, a fifth gear is connected to the top of the fourth gear in a meshed mode, the fifth gear is fixed to the outer side of the second connecting shaft, the second connecting shaft penetrates through the two fixing plates, and sixth gears are symmetrically fixed to two ends of the second connecting shaft and connected to the front side of the toothed plate in a meshed mode.

Preferably, the locking mechanism comprises limiting plates, through holes, compression springs and bolts, the limiting plates are fixed at the top of the bearing plate, the limiting plates are slidably connected to the outer sides of the toothed plates, two groups of limiting plates are arranged, and through holes are formed in one limiting plate of each group.

Preferably, the bolt is connected with one of the limiting plates of each group through a compression spring, and the bolt penetrates through the through hole, and the compression spring wraps the outer side of the bolt.

Preferably, the bottom of the third gear is connected with a seventh gear in a meshed manner, one side of the seventh gear is fixed with a screw rod, the screw rod is rotationally connected to the bearing plate, and the screw rod is in threaded connection with the two moving plates.

Preferably, the pressing plate and the bearing plate form a telescopic structure through the electric telescopic column, and the pressing plate and the bearing plate are arranged up and down correspondingly.

Compared with the prior art, the invention has the beneficial effects that:

1. this coating aluminum plate edge equipment of polishing for carriage, through the extension board that sets up, the pinion rack, the slot, the loading board, first gear, the second gear, first connecting axle, the carousel, the extrusion strip, the third gear, the fourth gear, fifth gear, the second connecting axle, sixth gear, the limiting plate, compression spring, the mutual cooperation of bolt and clamp plate is used, can reach the purpose of automatic decline locking, place carriage coating aluminum plate on the extension board, first gear corotation, thereby drive the second gear rotation, thereby drive first connecting axle, the carousel, third gear and fourth gear are whole to rotate, at this moment, fifth gear rotates, thereby drive second connecting axle and sixth gear rotation, owing to sixth gear and pinion rack meshing are connected together, the pinion rack is motionless, limiting plate and loading board descend to the end, the bolt finally gets into in the slot under the extrusion effect of extrusion strip, conveniently lock the limiting plate, after the first gear reversal, the extrusion strip can finally leave the bolt, the bolt can be popped out from the slot under compression spring's effect automatically, conveniently the unblock limiting plate.

2. This coating aluminum plate edge equipment of polishing for carriage uses through the interwork of loading board, positive and negative motor, first gear, the third gear, the fourth gear, the fifth gear, the limiting plate, the bolt, the lead screw, the movable plate, electronic polishing area and clamp plate, can reach the purpose of righting polishing, fall to the end with the loading board and use the bolt to lock after the limiting plate, first gear continues the corotation, because third gear and fourth gear are incomplete gear, the fourth gear continues to rotate the back, the fifth gear does not changeing, the third gear begins to rotate, thereby drive the lead screw and rotate, two movable plates are close to each other, utilize electronic polishing area clamp righting coating aluminum plate and utilize the clamp plate to support to press and fix behind the coating aluminum plate available electronic polishing area to polish coating aluminum plate, the device utilizes this actuating device of positive and negative motor to realize the vertical and horizontal direction location operation of electronic polishing area, work efficiency is high.

3. This coating aluminum plate edge equipment of polishing for carriage uses through the extension board that sets up, electronic polishing area and the mutually supporting of clamp plate, can reach the purpose that turns to, utilize electronic polishing area to polish after two limits of coating aluminum plate, raise the clamp plate earlier, two electronic polishing areas keep away from each other and after rising, the extension board can 90 degrees rotations, the accessible clamp plate supports again after the electronic polishing area of falling and utilizing electronic polishing area centre gripping to right coating aluminum plate and presses and fix coating aluminum plate, at last available electronic polishing brings the other two limits of polishing coating aluminum plate for whole polishing operation is more comprehensive high-efficient.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a schematic view of a left-hand perspective structure of the present invention;

FIG. 3 is a schematic cross-sectional elevation view of the present invention;

FIG. 4 is a schematic diagram of the front view of the present invention;

FIG. 5 is a right side view of the present invention;

FIG. 6 is a schematic diagram of a connection structure of a toothed plate and a slot according to the present invention;

FIG. 7 is a schematic diagram of a connection structure between a limiting plate and a through hole according to the present invention;

fig. 8 is a schematic view showing the first connecting shaft, the extrusion bar, the third gear and the latch connection structure of the present invention.

In the figure: 1. a base; 2. a motor; 3. a support plate; 4. a bracket; 5. a supporting plate; 6. a toothed plate; 7. a slot; 8. a carrying plate; 9. a rotating mechanism; 901. a forward and reverse motor; 902. a first gear; 903. a second gear; 904. a first connecting shaft; 905. a fixing plate; 906. a turntable; 907. extruding the strip; 908. a third gear; 909. a fourth gear; 910. a fifth gear; 911. a second connecting shaft; 912. a sixth gear; 10. a locking mechanism; 1001. a limiting plate; 1002. a through hole; 1003. a compression spring; 1004. a plug pin; 11. a seventh gear; 12. a screw rod; 13. a moving plate; 14. electric polishing belt; 15. an electric telescopic column; 16. and (5) pressing plates.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a coating aluminum plate edge equipment of polishing for carriage, includes base 1, and the top rotation of base 1 is connected with extension board 3, and the up end of base 1 is fixed with support 4, is fixed with layer board 5 on an inner wall of support 4, and the bilateral symmetry at top is fixed with pinion rack 6 in the support 4, and slot 7 has been seted up to the interior terminal surface of pinion rack 6, and the bottom of pinion rack 6 is fixed with loading board 8, and the top of loading board 8 is fixed with slewing mechanism 9.

The top of the bearing plate 8 is fixed with a locking mechanism 10, the locking mechanism 10 is in sliding connection with the outer side of the toothed plate 6, two sides of the lower end surface of the bearing plate 8 are symmetrically in sliding connection with a moving plate 13, the bottom of the moving plate 13 is fixed with an electric polishing belt 14, and the lower side of the bearing plate 8 is connected with a pressing plate 16 through an electric telescopic column 15.

In this embodiment, as shown in fig. 3, the motor 2 is fixed in the base 1, and the top of the motor 2 is connected with the support plate 3, and the support plate 3 can rotate 360 degrees under the action of the motor 2, so that the coated aluminum plate is conveniently subjected to steering treatment, and the coated aluminum plate is subjected to comprehensive and efficient polishing treatment.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 6, the rotation mechanism 9 includes a positive and negative motor 901, a first gear 902, a second gear 903, a first connecting shaft 904, a fixing plate 905, a turntable 906, a extrusion bar 907, a third gear 908, a fourth gear 909, a fifth gear 910, a second connecting shaft 911 and a sixth gear 912, the positive and negative motor 901 is fixed on the top of the carrier plate 8, the output end of the positive and negative motor 901 is connected with the first gear 902, the top of the first gear 902 is engaged with the second gear 903, the second gear 903 is fixed on the outer side of the first connecting shaft 904, one end of the first connecting shaft 904 and the outer side of the first connecting shaft 904 are both fixed with a turntable 906, the outer end surface of the turntable 906 is fixed with an extrusion bar 907, the first gear 902 can rotate under the action of the positive and negative motor 901, thereby driving the second gear 903 to rotate, so as to drive the two turntable 906 to rotate, the extrusion bar 907 contacts 1004, and then the extrusion bar 907 plays a role in extrusion of the plug 1004, and the push plug pin 1001 is conveniently pushed into the slot 7 to the limit plate.

In this embodiment, as shown in fig. 1, 3, 4 and 5, the other end of the first connecting shaft 904 is fixed with a third gear 908, a fourth gear 909 is fixed on the outer side of the first connecting shaft 904, the fourth gear 909 is located between two fixing plates 905, the fixing plates 905 are symmetrically fixed on two sides of the upper end surface of the bearing plate 8, the first connecting shaft 904 penetrates through the two fixing plates 905, the first connecting shaft 904 rotates to drive the third gear 908 and the fourth gear 909 to rotate, the fixing plates 905 play a supporting role on the first connecting shaft 904, and the fixing plates 905 play a limiting role on the fourth gear 909.

In this embodiment, as shown in fig. 1, 3 and 4, the top of the fourth gear 909 is engaged with and connected with the fifth gear 910, and the fifth gear 910 is fixed on the outer side of the second connecting shaft 911, the second connecting shaft 911 penetrates through two fixing plates 905, and the two ends of the second connecting shaft 911 are symmetrically fixed with sixth gears 912, the sixth gears 912 are engaged with and connected to the front side of the toothed plate 6, the fourth gear 909 rotates to drive the fifth gear 910 to rotate, thereby driving the second connecting shaft 911 to rotate, driving the sixth gear 912 to rotate, so as to conveniently drive the toothed plate 6 to move up and down, the fixing plates 905 play a supporting role on the second connecting shaft 911, and the fixing plates 905 play a limiting role on the fifth gear 910.

In this embodiment, as shown in fig. 1, 3, 4 and 7, the locking mechanism 10 includes a limiting plate 1001, a through hole 1002, a compression spring 1003 and a latch 1004, and the limiting plate 1001 is fixed at the top of the carrier plate 8, the limiting plate 1001 is slidably connected to the outer side of the toothed plate 6, two sets of limiting plates 1001 are provided, and each set of limiting plates 1001 is provided with two sets, and one of the limiting plates 1001 in each set is provided with the through hole 1002, when the sixth gear 912 rotates, the toothed plate 6 is stationary, and the limiting plate 1001 and the carrier plate 8 move up and down integrally, so as to raise or lower the electric polishing belt 14 conveniently.

In this embodiment, as shown in fig. 1, 3, 4 and 8, the latch 1004 is connected with one of the limiting plates 1001 of each group through the compression spring 1003, and the latch 1004 penetrates through the through hole 1002, the compression spring 1003 wraps the outer side of the latch 1004, after the limiting plate 1001 and the bearing plate 8 integrally move downwards, the bearing plate 8 is put on the supporting plate 5, at this time, the limiting plate 1001 pushes the latch 1004 into the slot 7, so as to conveniently lock the extrusion strip 907, and after the extrusion strip 907 rotates together with the turntable 906 and leaves the latch 1004, the latch 1004 automatically pops off and leaves the slot 7 under the reset action of the compression spring 1003, so as to conveniently unlock the limiting plate 1001.

In this embodiment, as shown in fig. 1, 3, 4 and 5, the bottom of the third gear 908 is engaged with and connected with the seventh gear 11, and one side of the seventh gear 11 is fixed with a screw 12, the screw 12 is rotationally connected to the bearing plate 8, and the screw 12 is threadably connected to the two moving plates 13, because the third gear 908 is an incomplete gear, in the process of lowering the bearing plate 8, the third gear 908 rotates, but the seventh gear 11 does not rotate, after the bearing plate 8 is lowered to the bottom and the limiting plate 1001 is locked by the latch 1004, the seventh gear 11 can rotate along with the rotation of the third gear 908, thereby driving the screw 12 to rotate, at this time, the moving plates 13 can slide under the limiting action of the bearing plate 8 and the screw 12, and the two moving plates 13 are close to each other, so as to conveniently clamp the righting aluminum plate by using the electric polishing belt 14.

In this embodiment, as shown in fig. 3 and 4, the pressing plate 16 forms a telescopic structure with the bearing plate 8 through the electric telescopic column 15, and the pressing plate 16 and the supporting plate 3 are correspondingly arranged up and down, after the loading operation is completed and the coated aluminum plate is clamped by the two electric polishing belts 14 of the electric polishing belts 14, the pressing plate 16 can move downwards under the action of extension of the electric telescopic column 15, so that the coated aluminum plate is conveniently pressed and fixed, and the subsequent polishing operation is more stable.

The application method and the advantages of the invention are as follows: this carriage is with coating aluminum plate edge equipment of polishing, the working process is as follows:

as shown in fig. 1 to 8: firstly, a coated aluminum plate is placed on a support plate 3, a positive and negative motor 901 is started, the positive and negative motor 901 drives a first gear 902 to rotate positively, the model number of the positive and negative motor 901 is 3IK15RGN-C, thereby driving a second gear 903, a first connecting shaft 904, a turntable 906, a third gear 908 and a fourth gear 909 to rotate integrally, so as to drive a fifth gear 910, a second connecting shaft 911 and a sixth gear 912 to rotate integrally, at the moment, a toothed plate 6 is not moved, a limiting plate 1001 and a bearing plate 8 move integrally downwards to the bottom, the bearing plate 8 is finally placed on a support plate 5, a pressing strip 907 rotates together with the turntable 906 and contacts and presses a bolt 1004, the bolt 1004 is pressed into a slot 7, the limiting plate 1001 is locked, in the process, a seventh gear 11 does not rotate, then the first gear 902 continues to rotate positively, teeth on the fifth gear 910 are separated from teeth on the fourth gear 909, the fifth gear 910 does not rotate, the teeth on the seventh gear 11 contact the teeth on the third gear 908, the third gear 908 rotates to drive the seventh gear 11 to rotate, the screw rod 12 is driven to rotate, the moving plate 13 slides under the limiting action of the bearing plate 8 and the screw rod 12, the two moving plates 13 are close to each other, after the coated aluminum plate is clamped and centered by the two electric grinding belts 14, the electric telescopic column 15 is started, the electric telescopic column 15 stretches, the pressing plate 16 is driven to move downwards, then the electric grinding belts 14 are started, the two sides of the coated aluminum plate are subjected to grinding treatment, after the grinding treatment of the two sides is finished, the pressing plate 16 is lifted firstly, then the positive and negative motor 901 drives the first gear 902 to rotate reversely, the two moving plates 13 are separated from each other, then the extrusion bar 907 leaves the plug pin 1004, the plug pin 1004 automatically bounces off the slot 7 under the reset action of the compression spring 1003, so that the limiting plate 1001 is unlocked, the limiting plate 1001, the bearing plate 8 and the electric polishing belt 14 are integrally lifted, the motor 2 is started, the motor 2 drives the support plate 3 to rotate by 90 degrees, and then the operation is repeated, so that the other two edges of the coated aluminum plate are polished conveniently.

In conclusion, the coating aluminum plate edge polishing equipment for the carriage achieves the purposes of automatic descending locking, righting polishing and steering, and meets the use requirements of people.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coating aluminum plate edge equipment of polishing for carriage, includes base (1), its characterized in that: the top of the base (1) is rotationally connected with a support plate (3), the upper end face of the base (1) is fixedly provided with a support (4), a supporting plate (5) is fixed on one inner wall of the support (4), toothed plates (6) are symmetrically fixed on two sides of the inner top of the support (4), slots (7) are formed in the inner end face of each toothed plate (6), a bearing plate (8) is fixed at the bottom of each toothed plate (6), and a rotating mechanism (9) is fixed at the top of each bearing plate (8);

the top of loading board (8) is fixed with locking mechanical system (10), locking mechanical system (10) sliding connection is in the outside of pinion rack (6), the bilateral symmetry sliding connection of terminal surface has movable plate (13) under loading board (8), the bottom of movable plate (13) is fixed with electronic polishing area (14), the downside of loading board (8) is connected with clamp plate (16) through electric telescopic post (15).

2. A coated aluminum sheet edge grinding apparatus for a vehicle compartment as defined in claim 1, wherein: the motor (2) is fixed in the base (1), and the top of the motor (2) is connected with the support plate (3).

3. A coated aluminum sheet edge grinding apparatus for a vehicle compartment as defined in claim 1, wherein: the rotating mechanism (9) comprises a positive and negative motor (901), a first gear (902), a second gear (903), a first connecting shaft (904), a fixed plate (905), a rotary table (906), an extrusion bar (907), a third gear (908), a fourth gear (909), a fifth gear (910), a second connecting shaft (911) and a sixth gear (912), the positive and negative motor (901) is fixed at the top of the bearing plate (8), the output end of the positive and negative motor (901) is connected with the first gear (902), the top of the first gear (902) is meshed with and connected with the second gear (903), the second gear (903) is fixed at the outer side of the first connecting shaft (904), one end of the first connecting shaft (904) and the outer side of the first connecting shaft (904) are both fixed with the rotary table (906), and the extrusion bar (907) is fixed on the outer end face of the rotary table (906).

4. A coated aluminum sheet edge grinding apparatus for a vehicle compartment as claimed in claim 3, wherein: the other end of the first connecting shaft (904) is fixed with a third gear (908), a fourth gear (909) is fixed on the outer side of the first connecting shaft (904), the fourth gear (909) is located between two fixing plates (905), the fixing plates (905) are symmetrically fixed on two sides of the upper end face of the bearing plate (8), and the first connecting shaft (904) penetrates through the two fixing plates (905).

5. A coated aluminum sheet edge grinding apparatus for a vehicle compartment as claimed in claim 3, wherein: the top of fourth gear (909) meshing is connected with fifth gear (910), and fifth gear (910) are fixed in the outside of second connecting axle (911), second connecting axle (911) runs through two fixed plates (905), and the both ends symmetry of second connecting axle (911) are fixed with sixth gear (912), sixth gear (912) meshing is connected in the front side of pinion rack (6).

6. A coated aluminum sheet edge grinding apparatus for a vehicle compartment as defined in claim 1, wherein: the locking mechanism (10) comprises limiting plates (1001), through holes (1002), compression springs (1003) and bolts (1004), the limiting plates (1001) are fixed at the top of the bearing plate (8), the limiting plates (1001) are slidably connected to the outer sides of the toothed plates (6), the limiting plates (1001) are provided with two groups, each group of limiting plates (1001) is provided with two groups, and each group of limiting plates (1001) is provided with one through hole (1002).

7. The coated aluminum sheet edge grinding apparatus for a vehicle compartment as defined in claim 6, wherein: the bolts (1004) are connected with one limiting plate (1001) of each group through compression springs (1003), the bolts (1004) penetrate through the through holes (1002), and the compression springs (1003) are wrapped on the outer sides of the bolts (1004).

8. A coated aluminum sheet edge grinding apparatus for a vehicle compartment as claimed in claim 3, wherein: the bottom of the third gear (908) is connected with a seventh gear (11) in a meshed manner, one side of the seventh gear (11) is fixedly provided with a screw rod (12), the screw rod (12) is rotatably connected to the bearing plate (8), and the screw rod (12) is in threaded connection with the two moving plates (13).

9. A coated aluminum sheet edge grinding apparatus for a vehicle compartment as defined in claim 1, wherein: the pressing plate (16) and the bearing plate (8) form a telescopic structure through the electric telescopic column (15), and the pressing plate (16) and the support plate (3) are arranged up and down correspondingly.