CN219853900U - Surface polishing equipment for aluminum bottle caps - Google Patents

Abstract

The utility model relates to surface polishing equipment for an aluminum bottle cap, which comprises a bottom plate, support columns and cross support beams, wherein the lower ends of the support columns are arranged on the bottom plate, the cross support beams are arranged at the top ends of the support columns, a polishing device for polishing the surface of the aluminum bottle cap is arranged on the bottom plate, a baffle for reducing dust scattering is arranged between the support columns and the bottom plate, one baffle is a main baffle, one vertical side edge of the main baffle is hinged on one support column, a mounting assembly is arranged between the other vertical side edge and a similar support column, the bottom ends of the baffle are positioned on the bottom plate, a cover plate is arranged on the cross support beams, and a dust collection device for cleaning dust is arranged on the cover plate. According to the utility model, the baffle, the cover plate and the dust collection device are arranged, so that the possibility that dust generated in the polishing process is inhaled by workers to influence the health of the workers is reduced, and the dust is collected by the dust collection device, so that the possibility that the driving equipment is in fault due to more dust accumulation is reduced.

Description

Surface polishing equipment for aluminum bottle caps

Technical Field

The utility model relates to the field of polishing, in particular to surface polishing equipment for an aluminum bottle cap.

Background

Polishing machines, also known as grinders, are often used for mechanical grinding and polishing, the working principle of which is: the motor drives the surface to be polished to rotate at a high speed and rub the surface to be polished with the polishing piece, so that flaws such as pollution, shallow marks, burrs and the like on the surface to be polished are removed, and the purpose of smooth surface or specular gloss is achieved.

The aluminum bottle cap is made of high-quality special aluminum alloy materials through fine processing, is mainly used for packaging products such as wines, beverages and medical health products, can meet special requirements of high-temperature cooking sterilization and the like, and is processed on a production line with quite high automation degree, so that the requirements on strength, elongation and dimensional deviation of the materials are very strict, otherwise, cracks or folds are generated during processing, and polishing processing is needed in the production process.

The existing polishing device comprises a main body supporting frame, wherein the main body supporting frame comprises a bottom plate, side supporting beams, supporting columns and transverse supporting beams, the supporting columns are respectively and vertically welded at four corners of the bottom plate, the transverse supporting beams are welded at the top end of the main body supporting frame, the side supporting beams are respectively welded at two sides of the supporting columns, and the bottle cap surface polishing device is arranged in the main body supporting frame, and the effect of polishing aluminum bottle caps with different sizes is achieved by arranging grinding wheel grinding heads with changeable sizes; the surface smoothness of the polished aluminum bottle cap can be controlled by the cooperation of the telescopic device and the sliding device.

When the grinding wheel grinding head polishes the surface of aluminium system bottle lid, aluminium system bottle lid surface can produce the dust in polishing process, and the dust flies upward around main part braced frame in aluminium system bottle lid polishing process, when causing the polishing environment comparatively dirty, the staff inhales the dust and influences healthy in the during operation easily, still causes the condition of driving equipment trouble easily when the dust piles up more.

Disclosure of Invention

In order to reduce the possibility that dust affects the health of workers and affects the malfunction of driving equipment, the present utility model provides a surface polishing apparatus for aluminum bottle caps.

The utility model provides surface polishing equipment for an aluminum bottle cap, which adopts the following technical scheme:

the utility model provides a surface polishing equipment of aluminium system bottle lid, includes bottom plate, support column and cross support beam, the low end of support column sets up on the bottom plate, cross support beam sets up on the top of support column, be provided with the burnishing device who is used for polishing aluminium system bottle lid surface on the bottom plate, be provided with the baffle that reduces the dust and scatter around between support column and the bottom plate, one of them the baffle is the main baffle, a vertical side of main baffle articulates on a support column, is provided with the installation component between another vertical side and a similar support column, the bottom of baffle is located the bottom plate, be provided with the apron on the cross support beam, be provided with the dust extraction who is used for the clearance dust on the apron.

Through adopting above-mentioned technical scheme, install the baffle between bottom plate and support column, install the apron on cross support beam, reduce the dust dispersion that produces among the aluminium system bottle lid polishing process around the bottom plate for workman during operation influences healthy possibility of workman owing to inhale the dust, simultaneously through the dust extraction of installation, will produce the dust between apron, baffle and bottom plate and absorb through dust extraction, make the dust between baffle and the apron reduce, thereby reduce when the dust piles up more, influence the operation of the actuating device in the polishing equipment, thereby reduce the possibility that actuating device breaks down.

Optionally, the installation component includes mount pad and installation pole, the mount pad sets up on main baffle, the mount pad is located one side that main baffle kept away from its articulated shaft, the one end rotation of installation pole sets up on the support column, and the other end activity is pegged graft on the mount pad.

Through adopting above-mentioned technical scheme, when needs open the main baffle, rotate the installation pole for the installation seat is kept away from to the one end of the installation pole of activity grafting on the installation seat, and the pulling installation seat again drives the main baffle and rotates on the support column, when being convenient for observe the polishing condition of aluminium system bottle lid, reduces the possibility that the dust looses from main baffle.

Optionally, the mounting groove that extends along vertical direction has been seted up on the upper surface of mount pad, the mounting groove runs through the surface of one side of mount pad towards the installation pole, be provided with the butt subassembly that is used for being used for with the installation pole butt on the surface of one side that the mounting groove is close to the support column on the mount pad.

Through adopting above-mentioned technical scheme, when the installation pole activity grafting was on the mount pad, the installation pole was pegged graft in the mounting groove of mount pad, and the butt subassembly is with mounting panel butt on the surface of one side of mounting groove, reduces the possibility of the slippage of installation pole from the mounting groove in the polishing process.

Optionally, the butt subassembly includes elastic component and butt piece, the elastic component sets up on the mount pad, the butt piece slides along the direction of mount pad towards main baffle and sets up on the mount pad and be connected with the elastic component, the installation pole peg graft with the butt piece butt when the mounting groove.

Through adopting above-mentioned technical scheme, when the butt subassembly carries out the butt to the installation pole, the elastic component butt is at the butt piece, and the one end butt that the elastic component was kept away from to the butt piece is on the installation pole, thereby leads to the installation pole to break away from the mounting groove because vibrations when reducing aluminium system bottle lid polishing and leads to the possibility that main baffle rotated along its articulated shaft.

Optionally, one end of the abutting block facing the supporting column is in a sphere shape, and one end of the sphere shape of the abutting block abuts against the mounting rod.

Through adopting above-mentioned technical scheme, when the installation pole is pegged graft in the mounting groove, the arc tip contact and the extrusion of installation pole and butt piece for the butt piece slides and the butt elastic component towards the direction of keeping away from the installation pole, and the installation pole is with a side wall butt of mounting groove under the butt effect of elastic component and low butt piece, reduces the possibility that the installation pole breaks away from the mounting groove under abnormal condition.

Optionally, dust extraction includes suction fan, dust guide pipe and collection box, the suction fan sets up on the apron, be provided with on the suction fan and extend to apron below dust suction pipe, the collection box sets up on the bottom plate, the dust guide pipe sets up between suction fan and collection box.

By adopting the technical scheme, the suction fan is started in the polishing process, so that dust on the bottom plate and the polishing device enters the dust collection pipe and enters the collection box along the dust guide pipe, dust accumulation in the baffle plate and the cover plate is reduced, and the possibility of failure of the driving equipment is reduced.

Optionally, the dust absorption pipe includes first dust absorption pipe and second dust absorption pipe, the one end of first dust absorption pipe sets up on the suction fan, and the other end sets up on the apron and vertical downwardly extending, the second dust absorption pipe is provided with many, many the one end of second dust absorption pipe all sets up on first dust absorption pipe, many the other end of second dust absorption pipe distributes on the four corners of base.

Through adopting above-mentioned technical scheme, the mouth of pipe of first dust absorption pipe and second dust absorption pipe distributes below the apron and on the bottom plate four corners to absorb the accumulational dust between bottom plate, aluminium system bottle lid and the polishing subassembly, reduce the dust and pile up too much and lead to the possibility that driving equipment has operation trouble.

Optionally, the burnishing device is including being used for carrying out the first polishing subassembly of polishing to aluminium system bottle lid upper surface and being used for carrying out the second polishing subassembly of polishing to aluminium system bottle lid lateral wall, first polishing subassembly includes first dull polish head and first driving piece, first dull polish head rotates to set up on the apron, first driving piece sets up on the apron and is connected with first dull polish head transmission, second polishing subassembly sets up on the bottom plate.

Through adopting above-mentioned technical scheme, the first dull polish head polishes the upper surface of aluminium system bottle lid under the drive of first driving piece for the upper surface of aluminium system bottle lid polishes, reduces pollution, shallow mark, flaw reduction such as burr on the upper surface of aluminium system bottle lid, and rethread second polishing assembly polishes the lateral wall of aluminium system bottle lid, thereby reduces pollution, shallow mark, flaw reduction such as burr on the outside surface of aluminium system bottle lid, makes the lateral wall of aluminium system bottle lid as smooth as possible.

Optionally, the second polishing subassembly is including coming two second driving pieces and two second dull polish heads, two the second dull polish head is along perpendicular to aluminium system bottle lid direction of delivery distribution and be located aluminium system bottle lid both sides, two the second driving piece sets up on the bottom plate and with two second dull polish head one-to-one and transmission are connected, be provided with on the base and be used for driving two the second dull polish head is close to each other and the slip subassembly that keeps away from.

Through adopting above-mentioned technical scheme, start the second driving piece, drive the second dull polish head and rotate to polish the vertical lateral wall of aluminium system bottle lid, when the distance between second polishing head and the aluminium system bottle lid is nearer or when far away, drive two second dull polish heads and keep away from each other or be close to each other through sliding component, thereby be convenient for the second dull polish head polish the vertical lateral wall of aluminium system bottle lid, improve the surface finish effect of aluminium system bottle lid.

Optionally, the slip subassembly includes bi-directional screw and driving medium, be provided with the base between first dull polish head and the bottom plate, the second driving medium sets up on the base, bi-directional screw rotates and sets up on the bottom plate and extend along the direction of delivery of perpendicular to aluminium system bottle lid, base threaded connection is on bi-directional screw and slides along bi-directional screw's length direction and set up on the bottom plate, the driving medium sets up on the bottom plate and is connected with bi-directional screw transmission.

Through adopting above-mentioned technical scheme, when needs drive two second dull polish heads and be close to each other or keep away from, start the driving medium, drive two-way screw rod and rotate on the bottom plate for two bases are close to each other or keep away from along two-way screw rod's length direction on the bottom plate, make the distance between second dull polish head and the aluminium system bottle lid suitable, thereby reduce the second dull polish head and to the vertical lateral wall transition polishing of aluminium system bottle lid or fail the possibility of better polishing.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the baffle is arranged between the support column and the bottom plate, and the cover plate is arranged on the transverse support beam, so that dust generated in the polishing process of the aluminum bottle cap is scattered around, the possibility that the worker inhales to influence the health of the worker is reduced, meanwhile, the dust generated by the dust collection device is collected, dust accumulation on the driving equipment is reduced, and the possibility that the driving equipment fails is reduced;

2. the installation component is arranged between the main baffle and the support column, so that the main baffle can be conveniently opened and closed, and a worker can observe the polishing condition of the aluminum bottle cap conveniently and simultaneously maintain equipment conveniently;

3. the nozzles of the first dust collection pipe and the second dust collection pipe are distributed below the cover plate and at four corners of the bottom plate, so that dust generated in the polishing process is collected by the dust collection device conveniently, and the possibility of equipment failure caused by excessive dust accumulation is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic view illustrating the installation of the dust suction device according to the embodiment of the present utility model.

Fig. 3 is an enlarged view at B in fig. 2.

FIG. 4 is an exploded view of the main barrier and support column of an embodiment of the present utility model.

Fig. 5 is an enlarged view at a in fig. 4.

Reference numerals illustrate: 1. a bottom plate; 2. a support column; 3. a cross support beam; 4. a baffle; 41. a main baffle; 42. a cover plate; 5. a dust collection device; 51. a collection box; 52. a dust guide pipe; 53. a suction fan; 54. a dust collection pipe; 541. a first dust collection pipe; 542. a second dust collection pipe; 543. a suction head; 6. a polishing device; 61. a first polishing assembly; 611. a first driving member; 612. a first sanding head; 62. a second polishing assembly; 621. a second sanding head; 622. a second driving member; 623. a base; 7. a mounting assembly; 71. a mounting rod; 72. a mounting base; 721. a mounting groove; 722. a placement groove; 73. an abutment assembly; 731. an abutment block; 732. an elastic member; 8. a sliding assembly; 81. a transmission member; 82. a bidirectional screw; 83. a sliding groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses surface polishing equipment for an aluminum bottle cap. Referring to fig. 1, the polishing device comprises a bottom plate 1, support columns 2 and cross support beams 3, wherein the bottom ends of the support columns 2 are installed on the bottom plate 1, the top ends of the support columns extend vertically upwards, the cross support beams 3 are installed at the top ends of the support columns 2 and fixedly installed with the support columns 2, and a polishing device 6 for polishing an aluminum bottle cap is installed on the bottom plate 1.

Referring to fig. 1, a baffle 4 for reducing dust scattering is installed between a support column 2 and a bottom plate 1, one end of the baffle 4 is abutted to the bottom plate 1, the other end of the baffle 4 extends vertically upwards, one baffle 4 is a main baffle 41, one vertical side edge of the main baffle 41 is hinged to one support column 2, the other vertical side edge of the main baffle 41 is detachably installed on the other support column 2 through an installation component 7, and dust scattering generated in the polishing process is reduced to cause staff to inhale through installing the baffle 4 around the bottom plate 1, so that the possibility of physical health of the staff is affected.

Referring to fig. 2 and 3, the mounting assembly 7 includes a mounting base 72 and a mounting rod 71, the mounting base 72 is mounted on a side of the main shutter 41 away from the hinge shaft, a vertically downward extending mounting groove 721 is opened on an upper side surface of the mounting base 72, the mounting groove 721 penetrates a surface of the mounting base 72 on a side facing away from the hinge shaft of the main shutter 41 and the support column 2, one end of the mounting rod 71 is rotatably mounted on the support column 2, the other end is inserted in the mounting groove 721, and an abutting assembly 73 for abutting the mounting rod 71 on a surface of the mounting groove 721 on a side facing the main shutter 41 is mounted on the mounting base 72.

Referring to fig. 3, the abutting assembly 73 includes an elastic member 732 and an abutting block 731, the installation seat 72 is provided with a placement groove 722, the placement groove 722 extends perpendicular to the extending direction of the installation groove 721 and is located at one end of the installation seat 72 away from the main baffle 41, the abutting block 731 is slidably mounted in the placement groove 722, the elastic member 732 includes a spring, one end of the spring is mounted on the bottom wall of the placement groove 722, the other end of the spring is mounted on the abutting block 731, and the spring is located in the placement groove 722, one end of the abutting block 731 facing the installation groove 721 is spherical, when one end of the installation rod 71 is inserted into the installation groove 721, the installation rod 71 abuts against one end of the spherical shape on the abutting block 731, so that the abutting block 731 slides in the placement groove 722 and presses the spring, the abutting block 731 presses the installation rod 71, thereby reducing the possibility that the installation rod 71 is separated from the installation groove 721 to cause the main baffle 41 to rotate along the hinge axis thereof, and dust is scattered from the main baffle 41.

Referring to fig. 1, a cover plate 42 for reducing dust from being scattered from the top end is installed on the cross support beam 3, and a dust suction device 5 for collecting dust generated during polishing is installed between the cover plate 42 and the bottom plate 1.

Referring to fig. 1 and 2, the dust suction device 5 includes a suction fan 53, a dust guide pipe 52 and a collection box 51, the suction fan 53 is mounted on the upper surface of the cover plate 42, a dust suction pipe 54 is mounted on the suction fan 53, one end of the dust suction pipe 54 is connected with an air inlet of the suction fan 53, the other end of the dust suction pipe extends downwards to the lower side of the cover plate 42, the collection box 51 is mounted on the bottom plate 1 and is located on the outer side of the baffle plate 4, one end of the dust guide pipe 52 is mounted at a blowing port of the suction fan 53, the other end of the dust guide pipe is connected with the collection box 51, and when an aluminum bottle cap is polished, the suction fan 53 is started, so that dust generated in the polishing process is sucked away by the suction fan 53 along the dust guide pipe 54 and enters the collection box 51, and the possibility of dust accumulation causing malfunction of driving equipment is reduced.

Referring to fig. 1 and 2, the suction pipe 54 includes a first suction pipe 541 and four second suction pipes 542, one end of the first suction pipe 541 is communicated with an air inlet of the suction fan 53, the other end of the first suction pipe 541 extends vertically downward and then is provided with suction heads 543, one ends of the second suction pipes 542 are all communicated with and installed on the first suction pipe 541 and above the cover plate 42, the other ends of the second suction pipes 542 extend downward and then are distributed at four corners of the base plate 1, and the bottom ends of the fourth second suction pipes 542 are all provided with suction heads 543, dust above the base plate 1 is absorbed through the first suction pipe 541, and dust on the surface of the base plate 1 is absorbed through the second suction pipes 542, so that the possibility that dust is accumulated on the base plate 1 and the polishing device 6 is reduced.

Referring to fig. 2, a polishing device 6 for polishing the outer side surface of the aluminum bottle cap is installed between the cap plate 42 and the base plate 1, and the polishing device 6 includes a first polishing member 61 and a second polishing member 62.

Referring to fig. 2, the first polishing assembly 61 includes a first driving member 611 and a first polishing head 612, the first driving member 611 includes a first driving motor, the first driving motor is mounted on the cover plate 42 and located on the upper surface of the cover plate 42, the first polishing head 612 is rotatably mounted on the cover plate 42 and extends vertically downward, the first polishing head 612 is located below the cover plate 42, an output shaft of the first driving motor is coaxially mounted with the first polishing head 612, the first polishing head 612 is driven to rotate by the first driving motor, and the lower end surface of the first polishing head 612 contacts and polishes the surface of the aluminum bottle cap, thereby polishing the upper surface of the aluminum bottle cap.

Referring to fig. 4 and 5, the second polishing assembly 62 includes two second driving members 622 and two second polishing heads 621, a sliding groove 83 extending along a conveying direction perpendicular to the aluminum bottle cap is formed in the base plate 1, two bases 623 are slidably mounted in the sliding groove 83, the two second polishing heads 621 are in one-to-one correspondence with the two bases 623, the second polishing heads 621 are rotatably mounted on the bases 623 and vertically extend upwards, the two second driving members 622 are in one-to-one correspondence with the two bases 623, the second driving members 622 include a second driving motor, the second driving motor is mounted on the bases 623, an output shaft of the second driving motor is coaxially connected with the second polishing heads 621, so that the second polishing heads 621 polish vertical side surfaces of the aluminum bottle cap, and the sliding assembly 8 for driving the two second polishing heads 621 to approach or separate from each other is mounted on the base plate 1.

Referring to fig. 4 and 5, the sliding assembly 8 includes a bidirectional screw 82 and a driving member 81, the bidirectional screw 82 is rotatably mounted on the bottom plate 1 and is located in the sliding groove 83, two bases 623 are in threaded connection with two sections of reverse threads of the bidirectional screw 82, the driving member 81 includes a driving motor, the driving motor is mounted on the bottom plate 1 and is located below the main baffle 41, an output shaft of the driving motor is coaxially mounted with the bidirectional screw 82, when a certain interval is formed between two second frosted heads 621 and vertical side walls of an aluminum bottle cap or mutual extrusion and extrusion force is large, the driving motor is started to drive the bidirectional screw 82 to rotate on the bottom plate 1, so that the interval between the two second frosted heads 621 and the aluminum bottle cap is proper, the two second frosted heads 621 slide in the sliding groove 83 and are convenient to polish the vertical side walls of the aluminum bottle cap, and polishing effect of the vertical side walls of the aluminum bottle cap is improved.

The implementation principle of the surface polishing equipment for the aluminum bottle cap provided by the embodiment of the utility model is as follows:

the baffle 4 and the cover plate 41 are arranged among the bottom plate 1, the support columns 2 and the cross support beams 3, so that dust generated in the polishing process is reduced to be scattered in the working environment, and the possibility that the health of workers is affected due to the fact that the workers breathe the dust in the working process is reduced.

The main baffle 41 is rotatably mounted on the support column 2 through the mounting rod 71 and the mounting seat 72, so that a worker can observe the polishing condition of the aluminum bottle cap and the collection condition of dust.

By abutting the mounting bar 72 with the abutment piece 731 and the spring, the likelihood of the mounting bar 72 coming off of the mounting seat 71 during polishing is reduced.

When the aluminum bottle cap is conveyed between the first grinding head 612 and the second grinding head 621, the first driving motor and the second driving motor are started to drive the first grinding head 612 and the second grinding head 621 to rotate on the cover plate 42 and the base 623 respectively, so that the upper end face and the vertical side wall of the aluminum bottle cap are polished.

In the polishing process of the surface of the aluminum bottle cap, the suction fan 53 on the cover plate 42 is opened, so that dust and the like generated in the polishing process enter the collecting box 51 along the dust guide pipe 52 under the absorption action of the first dust suction pipe 541, the four second dust suction pipes 542 and the suction heads 543 at the pipe orifices, and the generated dust is reduced to be accumulated on the bottom plate 1, the surface of the aluminum bottle cap and the second driving motor, so that the possibility of failure of the second driving motor is reduced.

When the interval between two second dull polish heads 621 and the aluminium system bottle lid is too big, start driving motor, drive bi-directional screw 82 and rotate on bottom plate 1, drive two second dull polish heads 621 and be close to each other for two second dull polish heads 621 contact and polish with the side of aluminium system bottle lid, improve the polishing effect of second dull polish head 621 to aluminium system bottle lid, when second dull polish head 621 extrudees each other with aluminium system bottle lid and the extrusion force is great, reverse start driving motor drives bi-directional screw 82 reverse rotation, reduces the transition extrusion of second dull polish head 621 and aluminium system bottle lid and influences the possibility of polishing effect.

The above is a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. The utility model provides a surface finish equipment of aluminium system bottle lid, includes bottom plate (1), support column (2) and cross support beam (3), the low end of support column (2) sets up on bottom plate (1), cross support beam (3) set up in the top of support column (2), be provided with on bottom plate (1) and be used for carrying out burnishing device (6) of polishing to aluminium system bottle lid surface, its characterized in that: be provided with baffle (4) that reduce the dust and scatter around between support column (2) and bottom plate (1), one of them baffle (4) are main baffle (41), a vertical side of main baffle (41) articulates on a support column (2), is provided with installation component (7) between another vertical side and a similar support column (2), the bottom of baffle (4) is located bottom plate (1), be provided with apron (42) on cross support beam (3), be provided with dust extraction (5) that are used for the clearance dust on apron (42).

2. The surface polishing apparatus for aluminum bottle caps as recited in claim 1, wherein: the mounting assembly (7) comprises a mounting seat (72) and a mounting rod (71), wherein the mounting seat (72) is arranged on the main baffle (41), the mounting seat (72) is positioned on one side, far away from the hinge shaft, of the main baffle (41), one end of the mounting rod (71) is rotatably arranged on the support column (2), and the other end of the mounting rod is movably inserted on the mounting seat (72).

3. The surface polishing apparatus for aluminum bottle caps as recited in claim 2, wherein: the mounting seat (72) is provided with a mounting groove (721) extending along the vertical direction on the upper surface, the mounting groove (721) penetrates through the surface of one side, facing the mounting rod (71), of the mounting seat (72), and the mounting seat (72) is provided with an abutting component (73) for abutting the mounting rod (71) on the surface, close to the support column (2), of the mounting groove (721).

4. A surface finish apparatus for aluminum bottle caps as claimed in claim 3, wherein: the abutting assembly (73) comprises an elastic piece (732) and an abutting block (731), the elastic piece (732) is arranged on the mounting seat (72), the abutting block (731) is arranged on the mounting seat (72) in a sliding mode along the direction of the mounting seat (72) towards the main baffle (41) and is connected with the elastic piece (732), and the mounting rod (71) abuts against the abutting block (731) when being inserted into the mounting groove (721).

5. The surface polishing apparatus for aluminum bottle caps as recited in claim 4, wherein: the abutting block (731) is arranged in a sphere shape towards one end of the supporting column (2), and one end of the sphere shape of the abutting block (731) abuts against the mounting rod (71).

6. The surface polishing apparatus for aluminum bottle caps as recited in claim 1, wherein: dust extraction (5) are including suction fan (53), dust pipe (52) and collection box (51), suction fan (53) set up on apron (42), be provided with on suction fan (53) and extend to apron (42) below dust pipe (54), collection box (51) set up on bottom plate (1), dust pipe (52) set up between suction fan (53) and collection box (51).

7. The surface polishing apparatus for aluminum bottle caps as recited in claim 6, wherein: the dust absorption pipe (54) comprises a first dust absorption pipe (541) and a second dust absorption pipe (542), one end of the first dust absorption pipe (541) is arranged on the suction fan (53), the other end of the first dust absorption pipe is arranged on the cover plate (42) and extends vertically downwards, the second dust absorption pipe (542) is provided with a plurality of dust absorption pipes, one ends of the second dust absorption pipes (542) are arranged on the first dust absorption pipe (541), and the other ends of the second dust absorption pipes (542) are distributed on four corners of the base (623).

8. The surface polishing apparatus for aluminum bottle caps as recited in claim 1, wherein: the polishing device (6) comprises a first polishing component (61) for polishing the upper surface of the aluminum bottle cap and a second polishing component (62) for polishing the side wall of the aluminum bottle cap, the first polishing component (61) comprises a first polishing head (612) and a first driving piece (611), the first polishing head (612) is rotationally arranged on the cover plate (42), the first driving piece (611) is arranged on the cover plate (42) and is in transmission connection with the first polishing head (612), and the second polishing component (62) is arranged on the bottom plate (1).

9. The surface polishing apparatus for aluminum bottle caps as recited in claim 8, wherein: the second polishing assembly (62) comprises two second driving pieces (622) and two second polishing heads (621), the two second polishing heads (621) are distributed along the conveying direction perpendicular to the aluminum bottle cap and located on two sides of the aluminum bottle cap, the two second driving pieces (622) are arranged on the bottom plate (1) and in one-to-one correspondence with the two second polishing heads (621) and are in transmission connection, and the bottom plate (1) is provided with a sliding assembly (8) for driving the two second polishing heads (621) to be close to and far away from each other.

10. The surface polishing apparatus for aluminum bottle caps as recited in claim 9, wherein: the sliding component (8) comprises a bidirectional screw rod (82) and a transmission piece (81), a base (623) is arranged between the first grinding head (612) and the bottom plate (1), a second driving piece (622) is arranged on the base (623), the bidirectional screw rod (82) is rotationally arranged on the bottom plate (1) and extends along the conveying direction perpendicular to the aluminum bottle cap, the base (623) is in threaded connection with the bidirectional screw rod (82) and is slidably arranged on the bottom plate (1) along the length direction of the bidirectional screw rod (82), and the transmission piece (81) is arranged on the bottom plate (1) and is in transmission connection with the bidirectional screw rod (82).