CN216327511U

CN216327511U - Novel polishing equipment

Info

Publication number: CN216327511U
Application number: CN202122755674.0U
Authority: CN
Inventors: 钟斌海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

The utility model relates to a novel polishing device, which has the technical scheme that: the method comprises the following steps: the pipe polishing machine comprises a frame, a plurality of polishing machines for polishing the outer surface of a pipe, an exhaust pipe for collecting impurity gases generated during the operation of the polishing machines, and an exhaust fan for exhausting the impurity gases collected in the exhaust pipe; the exhaust pipe is arranged on the frame; the plurality of grinding and polishing machines are all arranged on the frame along the airflow direction of the exhaust pipe; the exhaust fan is arranged at the end part of the exhaust pipe; this application has can make burnishing and polishing and waxing polishing interlude and go on and the good advantage of job stabilization nature.

Description

Novel polishing equipment

Technical Field

The utility model relates to the technical field of polishing equipment, in particular to novel polishing equipment.

Background

At present, in the production and processing process of the pipe in China, polishing and grinding are particularly important, and in the polishing and grinding process of the pipe, the stability of the pipe directly influences the quality and the efficiency of the pipe processing.

At present, most of the existing metal pipe polishing processes still adopt a traditional manual fixing method, however, the whole process of polishing the pipe is manually fixed by manpower, so that the stability is poor, and the problem of edge collapse is easy to occur; and the prior sanding and polishing process does not comprise a waxing process, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide novel polishing equipment which has the advantages that the polishing and waxing can be alternately carried out and the working stability is good.

The technical purpose of the utility model is realized by the following technical scheme: a novel polishing apparatus comprising: the pipe polishing machine comprises a frame, a plurality of polishing machines for polishing the outer surface of a pipe, an exhaust pipe for collecting impurity gases generated during the operation of the polishing machines, and an exhaust fan for exhausting the impurity gases collected in the exhaust pipe; the exhaust pipe is arranged on the frame; the plurality of grinding and polishing machines are all arranged on the rack along the airflow direction of the exhaust pipe; the exhaust fan is installed at the end of the exhaust pipe.

Optionally, the polishing machine includes: the device comprises a polishing device for polishing the outer surface of the pipe and a waxing device for waxing and polishing the outer surface of the pipe; the polishing device and the waxing device are sequentially arranged on the rack along the airflow direction of the exhaust pipe; and the discharge end of the polishing device is communicated with the feed end of the waxing device.

Optionally, the polishing apparatus includes: the pipe polishing device comprises a first mounting frame, a first transverse moving mechanism, a first polishing mechanism and a second polishing mechanism, wherein the first polishing mechanism and the second polishing mechanism are used for polishing the outer surface of a pipe; the first mounting frame is mounted on the rack; the first transverse moving mechanism is arranged on the first mounting frame; the first grinding mechanism is mounted on the first moving end of the first transverse moving mechanism; and the second polishing mechanism is arranged on the second moving end of the first transverse moving mechanism.

Optionally, the first traversing mechanism includes: the sliding device comprises at least one first guide rail, and at least one first sliding block and at least one second sliding block which are matched with the first guide rail; the first guide rail is mounted on the first mounting frame; the first sliding block and the second sliding block can be arranged on the first guide rail in a sliding mode; the first grinding mechanism is mounted on the first slide block; the second grinding mechanism is mounted on the second slide block.

Optionally, at least one travel switch for sensing the range of motion of the first polishing mechanism and the second polishing mechanism is further disposed on the first guide rail.

Optionally, the first grinding mechanism comprises: the pipe polishing device comprises a first mounting plate, a first hemp wheel for polishing the outer surface of a pipe, a first grinding head shaft for driving the first hemp wheel to rotate and a first driving motor for driving the first grinding head shaft; the first mounting plate is mounted on the first sliding block; the fixed end of the first driving motor is arranged on the first mounting plate; the first grinding head shaft is rotatably arranged on the first mounting plate; the output end of the first driving motor is in transmission connection with the first grinding head shaft; the first hemp wheel is arranged at the end part of the first grinding head shaft.

Optionally, the second grinding mechanism comprises: the second mounting plate, a second hemp wheel for grinding and polishing the outer surface of the pipe, a second grinding head shaft for driving the second hemp wheel to rotate and a second driving motor for driving the second grinding head shaft; the second mounting plate is mounted on the second sliding block; the fixed end of the second driving motor is arranged on the second mounting plate; the second grinding head shaft is rotatably arranged on the second mounting plate; the output end of the second driving motor is in transmission connection with the second grinding head shaft; the second hemp wheel is arranged at the end part of the second grinding head shaft.

Optionally, the waxing device includes: the second mounting frame, the second transverse moving mechanism and the waxing block are used for waxing and polishing the outer surface of the pipe; the second mounting rack is mounted on the rack; the second transverse moving mechanism is arranged on the second mounting frame; the waxing block is detachably arranged at the moving end of the second transverse moving mechanism.

Optionally, the second traversing mechanism includes: the second guide rail and the third slide block are matched with the second guide rail; the second guide rail is arranged on the second mounting frame; the third sliding block is slidably arranged on the second guide rail; and the waxing block is detachably arranged on the third sliding block.

Optionally, guide wheel mechanisms for allowing the pipe to stably pass through are arranged on the feed end and the discharge end of the polishing device and on the feed end and the discharge end of the waxing device.

In conclusion, the utility model has the following beneficial effects:

1. the polishing and burnishing machine comprises a polishing device and a waxing device, and the polishing device can polish and burnish the pipe while polishing the pipe, so that the two-in-one effect is achieved, and the functions of the polishing and burnishing machine are more comprehensive;

2. the pipe is ground and polished by the grinding and polishing machine, so that the traditional manual operation is effectively replaced, the safety factor, the precision and the production efficiency of the pipe during grinding and polishing are improved, the labor cost and the error rate are reduced, the production cost is reduced, and meanwhile, the safety problem of workers during grinding and polishing can be avoided;

3. the grinding position between the hemp wheel grinding heads in the grinding mechanism is adjustable, so that pipes with different sizes can be ground and polished, the use range of equipment is enlarged, and the phenomenon of pipe grinding and polishing deformation caused by smaller distance between the grinding heads in the grinding and polishing process can be avoided;

4. the exhaust pipe arranged on the frame can absorb impurity gases such as dust and fragments generated during the working of the polishing machine, so that the working environment is clean and sanitary.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the internal structure of the polishing apparatus of the present invention (with the housing removed);

FIG. 3 is a schematic view of the internal structure of the waxing device of the present invention (with the outer shell removed);

fig. 4 is a schematic view of the structure of the guide wheel mechanism of the present invention.

In the figure: 1. a frame; 2. grinding and polishing machine; 21. a polishing device; 22. a waxing device; 3. an exhaust pipe; 4. an exhaust fan; 5. a first mounting bracket; 61. a first guide rail; 62. a first slider; 63. a second slider; 64. a travel switch; 71. a first mounting plate; 72. a first hemp wheel; 73. a first burr shaft; 74. a first drive motor; 81. a second mounting plate; 82. a second hemp wheel; 83. a second burr shaft; 84. a second drive motor; 91. a second guide rail; 92. a third slider; 10. a second mounting bracket; 11. waxing blocks; 12. and a guide wheel mechanism.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.

The utility model is described in detail below with reference to the figures and examples.

As shown in fig. 1, the present invention provides a novel polishing apparatus comprising: the pipe polishing machine comprises a frame 1, a plurality of polishing machines 2 for polishing the outer surfaces of pipes, an exhaust pipe 3 for collecting impurity gases generated when the polishing machines 2 work, and an exhaust fan 4 for exhausting the impurity gases collected in the exhaust pipe 3; the exhaust pipe 3 is arranged on the frame 1; the plurality of grinding and polishing machines 2 are all arranged on the frame 1 along the airflow direction of the exhaust pipe 3; the suction fan 4 is installed at an end of the exhaust duct 3.

The grinding and polishing machine 2 includes: a polishing device 21 for polishing the outer surface of the pipe, and a waxing device 22 for waxing and polishing the outer surface of the pipe; the polishing device 21 and the waxing device 22 are sequentially installed on the frame 1 along the airflow direction of the exhaust pipe 3; the discharge end of the polishing device 21 is communicated with the feed end of the waxing device 22.

In this embodiment, the polishing machines 2 are the minimum repeating unit of the present apparatus, each polishing machine 2 includes two polishing devices 21 and one waxing device 22 sequentially arranged along the airflow direction of the exhaust pipe 3, wherein a feeding end of the first polishing device 21 is used for inputting pipes, a discharging end is communicated with a feeding end of the second polishing device 21, a discharging end of the second polishing device 21 is communicated with a feeding end of the waxing device 22, a discharging end of the waxing device 22 is communicated with a feeding end of the first polishing device 21 in the next polishing machine 2, and by the repeated arrangement of the polishing machines 2, the pipes can be sequentially alternated in the polishing process and the waxing process in the polishing apparatus, so that the apparatus is more comprehensive in functionality;

wherein, the positional relationship of two adjacent polishing devices 21 is: the front faces of the first polishing device 21 and the second polishing device 21 face in opposite directions, and the communication position of the discharge end of the first polishing device 21 and the feed end of the second polishing device 21 is taken as an axis, the first polishing device 21 and the second polishing device rotate through the axis for a certain angle, and the rotation directions of the first polishing device 21 and the second polishing device 21 are opposite, so that the first polishing device and the second polishing device are arranged in a crossed manner; through the arrangement mode of the position relation, the first polishing device 21 and the second polishing device 21 can perform cross grinding and polishing on the pipe, so that the working efficiency of the grinding and polishing machine 2 is higher, and the grinding surface of the pipe is smoother and smoother;

the working principle of the novel polishing equipment provided by the utility model is as follows: inputting a pipe to be polished from a feeding end of a first polishing machine 2 of the equipment, sequentially polishing and waxing the outer surface of the pipe by a polishing device 21 and a waxing device 22 in the polishing machine 2 respectively, conveying the pipe to the next polishing machine 2 after the polishing and waxing are finished, and repeating the processing steps, so that the polishing and waxing of the equipment are sequentially alternated; the blast pipe 3 of installation passes through all burnishing and polishing machines 2's below on the frame 1, and a plurality of exhaust holes have all been seted up to blast pipe 3 on every burnishing and polishing machine 2's the corresponding position, and the tip of blast pipe 3 is provided with air exhauster 4, and equipment during operation, 4 synchronous start-ups of air exhauster, under the effect of air exhauster 4, the gaseous impurity that produces of burnishing and polishing machine 2 during operation on the corresponding position is drawn in the above-mentioned exhaust hole of blast pipe 3 accessible, guarantees the clean health of the peripheral operational environment of equipment.

Further, as shown in fig. 2, the polishing apparatus 21 includes: the pipe polishing device comprises a first mounting frame 5, a first transverse moving mechanism, a first polishing mechanism and a second polishing mechanism, wherein the first polishing mechanism and the second polishing mechanism are used for polishing the outer surface of a pipe; the first mounting frame 5 is mounted on the rack 1; the first transverse moving mechanism is arranged on the first mounting frame 5; the first grinding mechanism is mounted on the first moving end of the first transverse moving mechanism; and the second polishing mechanism is arranged on the second moving end of the first transverse moving mechanism.

In this embodiment, the first traversing mechanism is mounted on the first mounting bracket 5, and is driven by a ball screw, and the first polishing mechanism mounted on the first moving end of the first traversing mechanism and the second polishing mechanism mounted on the second moving end of the first traversing mechanism can slide on the first traversing mechanism through the ball screw, so as to adjust the polishing gap between the first polishing mechanism and the second polishing mechanism, and achieve the effect of adjusting the polishing position;

further, the first traversing mechanism comprises: at least one first guide rail 61, and at least one first slide block 62 and second slide block 63 which are matched with the first guide rail 61; the first guide rail 61 is mounted on the first mounting bracket 5; the first slide block 62 and the second slide block 63 are both arranged on the first guide rail 61 in a sliding manner; the first grinding mechanism is mounted on the first slide 62; the second grinding mechanism is mounted on the second slider 63.

In this embodiment, two first guide rails 61 are provided, and are symmetrically disposed on two ends of the first mounting frame 5 respectively; four first sliding blocks 62 are arranged, and are respectively arranged on the first guide rail 61 in a sliding manner in a pairwise correspondence manner; four second sliding blocks 63 are arranged, and are slidably arranged on the first guide rail 61 in a pairwise correspondence manner; the first polishing mechanism is arranged on the mounting surface formed by the first sliding block 62, and the second polishing mechanism is arranged on the mounting surface formed by the second sliding block 63, so that the first polishing mechanism and the second polishing mechanism can slide on the first mounting frame 5 through the first transverse moving mechanism, and the effect of adjusting the polishing position is achieved.

Further, at least one travel switch 64 for sensing the moving range of the first grinding mechanism and the second grinding mechanism is further disposed on the first guide rail 61.

In the present embodiment, the travel switch 64 is a contact-type travel switch; when the first polishing mechanism or the second polishing mechanism exceeds the originally set moving range, the travel switch 64 is touched, so that the travel switch 64 sends a working instruction to enable the first polishing mechanism or the second polishing mechanism to stop moving continuously in the original direction.

Further, the first grinding mechanism includes: the pipe polishing device comprises a first mounting plate 71, a first hemp wheel 72 for grinding and polishing the outer surface of a pipe, a first grinding head shaft 73 for driving the first hemp wheel 72 to rotate, and a first driving motor 74 for driving the first grinding head shaft 73; the first mounting plate 71 is mounted on the first slider 62; the fixed end of the first driving motor 74 is mounted on the first mounting plate 71; the first grinding head shaft 73 is rotatably arranged on the first mounting plate 71; the output end of the first driving motor 74 is in transmission connection with the first grinding head shaft 73; the first hemp wheel 72 is mounted on the end of the first grinding head shaft 73.

In this embodiment, the first mounting plate 71 is mounted on the mounting surface formed by the first slider 62, the first grinding head shaft 73 and the first driving motor 74 are both disposed on the first mounting plate 71, and the first grinding head shaft 73 is in transmission connection with the output end of the first driving motor 74 through a synchronous pulley; when the first grinding mechanism works, the first driving motor 74 is started, the output end of the first driving motor 74 drives the first grinding head shaft 73 to rotate through the synchronous belt, the first hemp wheel 72 is installed at the end part of the first grinding head shaft 73, and the first grinding head shaft 73 drives the first hemp wheel 72 to rotate when rotating, so that the first hemp wheel 72 polishes and polishes the outer surface of the pipe passing through.

Further, the second sharpening mechanism includes: the pipe fitting comprises a second mounting plate 81, a second hemp wheel 82 for grinding and polishing the outer surface of the pipe, a second grinding head shaft 83 for driving the second hemp wheel 82 to rotate, and a second driving motor 84 for driving the second grinding head shaft 83; the second mounting plate 81 is mounted on the second slider 63; the fixed end of the second driving motor 84 is mounted on the second mounting plate 81; the second grinding head shaft 83 is rotatably arranged on the second mounting plate 81; the output end of the second driving motor 84 is in transmission connection with the second grinding head shaft 83; the second hemp wheel 82 is mounted on the end of the second grinding head shaft 83.

In this embodiment, the second mounting plate 81 is mounted on the mounting surface formed by the second slider 63, the second grinding head shaft 83 and the second driving motor 84 are both disposed on the second mounting plate 81, and the second grinding head shaft 83 is in transmission connection with the output end of the second driving motor 84 through a synchronous pulley; when the first grinding mechanism works, the second driving motor 84 is started, the output end of the second driving motor 84 drives the second grinding head shaft 83 to rotate through the synchronous belt, the second hemp wheel 82 is installed at the end part of the second grinding head shaft 83, and the second grinding head shaft 83 drives the second hemp wheel 82 to rotate when rotating, so that the second hemp wheel 82 grinds and polishes the outer surface of the pipe when passing through;

in addition, when being installed, the first polishing mechanism and the second polishing mechanism are also provided with a certain angle difference, so that the first hemp wheel 72 and the second hemp wheel 82 are not arranged in parallel but form a certain angle difference, and therefore the first hemp wheel 72 and the second hemp wheel 82 can polish the pipe in a crossed manner, the polished surface of the pipe is smoother and smoother, and the working efficiency of the polishing mechanism is higher.

Further, as shown in fig. 3, the waxing device 22 includes: the device comprises a second mounting rack 10, a second transverse moving mechanism and a waxing block 11 for waxing and polishing the outer surface of the pipe; the second mounting rack 10 is mounted on the rack 1; the second transverse moving mechanism is arranged on the second mounting frame 10; and the waxing block 11 is detachably arranged at the moving end of the second transverse moving mechanism.

In this embodiment, the second traverse mechanism is mounted on the second mounting frame 10, and is driven by a telescopic cylinder; the moving end of the second transverse moving mechanism can drive the waxing block 11 to move back and forth, when the passing pipe needs to be waxed and polished, the second transverse moving mechanism is utilized to move the waxing block 11 to a position where the waxing block is abutted to the pipe, and the waxing block 11 is used for waxing and polishing the pipe through contact.

Further, the second traversing mechanism comprises: at least one second guide rail 91 and at least one third slide block 92 matched with the second guide rail 91; the second guide rail 91 is mounted on the second mounting bracket 10; the third slider 92 is slidably disposed on the second guide rail 91; the waxing block 11 is detachably arranged on the third sliding block 92.

In this embodiment, two second guide rails 91 are provided, and are symmetrically and alternately disposed at two ends of the second mounting frame 10; two third sliding blocks 92 are arranged and can be respectively and correspondingly arranged on the second guide rail 91 in a sliding manner; the waxing block 11 is detachably arranged on the third sliding block 92, and the third sliding block 92 can drive the waxing block 11 to slide on the second guide rail 91 when moving, so that the effect of abutting or separating the waxing block 11 and the pipe is achieved.

Further, as shown in fig. 4, guide wheel mechanisms 12 for allowing the pipe to stably pass through are respectively disposed on the feeding end and the discharging end of the polishing device 21 and the feeding end and the discharging end of the waxing device 22.

In the embodiment, the guide wheel mechanism 12 is provided with a plurality of guide wheels for clamping and stably passing the pipe passing through the opening, and the outer surfaces of the guide wheels are provided with anti-skid coatings; when the input pipe passes through the guide wheel mechanism 12, the guide wheel plays a role in stably guiding the pipe, so that the pipe can stably pass through under the action of the guide wheel, and the working stability of the equipment is enhanced.

The novel polishing equipment has the advantages that the polishing and waxing can be alternately carried out, and the working stability is good.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. A novel polishing apparatus, comprising: the pipe polishing machine comprises a frame, a plurality of polishing machines for polishing the outer surface of a pipe, an exhaust pipe for collecting impurity gases generated during the operation of the polishing machines, and an exhaust fan for exhausting the impurity gases collected in the exhaust pipe; the exhaust pipe is arranged on the frame; the plurality of grinding and polishing machines are all arranged on the rack along the airflow direction of the exhaust pipe; the exhaust fan is installed at the end of the exhaust pipe.

2. The novel polishing apparatus of claim 1, wherein the grinder/polisher comprises: the device comprises a polishing device for polishing the outer surface of the pipe and a waxing device for waxing and polishing the outer surface of the pipe; the polishing device and the waxing device are sequentially arranged on the rack along the airflow direction of the exhaust pipe; and the discharge end of the polishing device is communicated with the feed end of the waxing device.

3. The novel polishing apparatus as set forth in claim 2, wherein the polishing device comprises: the pipe polishing device comprises a first mounting frame, a first transverse moving mechanism, a first polishing mechanism and a second polishing mechanism, wherein the first polishing mechanism and the second polishing mechanism are used for polishing the outer surface of a pipe; the first mounting frame is mounted on the rack; the first transverse moving mechanism is arranged on the first mounting frame; the first grinding mechanism is mounted on the first moving end of the first transverse moving mechanism; and the second polishing mechanism is arranged on the second moving end of the first transverse moving mechanism.

4. A novel polishing apparatus as set forth in claim 3 wherein said first traverse mechanism comprises: the sliding device comprises at least one first guide rail, and at least one first sliding block and at least one second sliding block which are matched with the first guide rail; the first guide rail is mounted on the first mounting frame; the first sliding block and the second sliding block can be arranged on the first guide rail in a sliding mode; the first grinding mechanism is mounted on the first slide block; the second grinding mechanism is mounted on the second slide block.

5. The novel polishing device as recited in claim 4, wherein at least one travel switch is further provided on the first rail for sensing the range of motion of the first and second grinding mechanisms.

6. The novel polishing apparatus as set forth in claim 4, wherein the first polishing mechanism comprises: the pipe polishing device comprises a first mounting plate, a first hemp wheel for polishing the outer surface of a pipe, a first grinding head shaft for driving the first hemp wheel to rotate and a first driving motor for driving the first grinding head shaft; the first mounting plate is mounted on the first sliding block; the fixed end of the first driving motor is arranged on the first mounting plate; the first grinding head shaft is rotatably arranged on the first mounting plate; the output end of the first driving motor is in transmission connection with the first grinding head shaft; the first hemp wheel is arranged at the end part of the first grinding head shaft.

7. The novel polishing apparatus as set forth in claim 4, wherein the second sharpening mechanism includes: the second mounting plate, a second hemp wheel for grinding and polishing the outer surface of the pipe, a second grinding head shaft for driving the second hemp wheel to rotate and a second driving motor for driving the second grinding head shaft; the second mounting plate is mounted on the second sliding block; the fixed end of the second driving motor is arranged on the second mounting plate; the second grinding head shaft is rotatably arranged on the second mounting plate; the output end of the second driving motor is in transmission connection with the second grinding head shaft; the second hemp wheel is arranged at the end part of the second grinding head shaft.

8. The novel polishing apparatus as set forth in claim 2, wherein the waxing device comprises: the second mounting frame, the second transverse moving mechanism and the waxing block are used for waxing and polishing the outer surface of the pipe; the second mounting rack is mounted on the rack; the second transverse moving mechanism is arranged on the second mounting frame; the waxing block is detachably arranged at the moving end of the second transverse moving mechanism.

9. The novel polishing apparatus of claim 8, wherein the second traversing mechanism comprises: the second guide rail and the third slide block are matched with the second guide rail; the second guide rail is arranged on the second mounting frame; the third sliding block is slidably arranged on the second guide rail; and the waxing block is detachably arranged on the third sliding block.

10. The novel polishing device as claimed in claim 2, wherein guide wheel mechanisms for stably passing the pipe are arranged on the feeding end and the discharging end of the polishing device and on the feeding end and the discharging end of the waxing device.