CN111796362B - Grinding equipment for prefabricated tail fiber - Google Patents

Abstract

The application discloses a grinding device for prefabricated tail optical fiber includes: a base; a grinding device; a column; a first drive mechanism; the turnover plate is provided with a horizontal working position and a vertical working position; the second driving mechanism drives the turnover plate to rotate, so that the turnover plate is switched between a horizontal working position and a vertical working position; detecting a disc; a lifting cylinder; mounting a disc; when the turnover plate is in a horizontal working position, a piston rod of the lifting cylinder is vertically arranged, the upright post rotates to enable the mounting disc to be positioned right above the grinding device, the mounting disc moves downwards to enable the mounting disc to be matched with the grinding device, and the mounting disc is driven to ascend after grinding is finished; when the returning face plate is in vertical work position, the piston rod level of lift cylinder sets up, and the stand rotates, makes the mounting disc just to detecting the dish, and the lift cylinder drives the mounting disc and moves to detecting first one side, makes butterfly cable head and detection head one-to-one support to lean on the cooperation. The grinding equipment realizes the grinding and detection state switching of the multiple butterfly cable heads and improves the processing efficiency.

Description

Grinding equipment for prefabricated pigtails

This application is a divisional application with an application date of August 8, 2018, an application number of 201810895288.1, and the title of the invention is "a method for processing prefabricated pigtails".

technical field

The invention relates to the field of optical fibers, in particular to a processing method of a prefabricated pigtail.

Background technique

The processing technology of the prefabricated pigtail mainly includes the following steps: 1) Slitting process, winding the butterfly cable on the main reel on the sub-reel, and after winding the set distance, cut the butterfly cable, and put the wound butterfly cable. 2) Stripping process, stripping the outer layer of the end of the butterfly cable to obtain a piece of bare fiber; 3) Inserting the core process, inserting the bare fiber into the glued ceramic ferrule; 4) In the heating and curing process, the ceramic ferrule is heated with a heater to solidify the glue inside; 5) The loose parts are installed in the head of the butterfly cable; The head of the butterfly cable is fixed on the mounting plate, and the end of the ceramic ferrule is ground by the grinding device (mainly used to grind the bare optical fiber in the ceramic ferrule); 7) In the detection process, the polished optical fiber is subjected to the grinding process by the testing equipment. detection.

In the prior art, after the grinding process is completed, the head of the butterfly cable is taken out from the mounting plate, and then moved to the detection area to check the end surface finish of the bare optical fiber at the end of the ceramic ferrule. Return to the grinding area and re-grind after inserting the mounting plate. This form has a cumbersome process and low efficiency.

SUMMARY OF THE INVENTION

Aiming at the above problems and overcoming the deficiencies, the present invention proposes a processing method of a prefabricated pigtail.

The technical scheme adopted by the present invention is as follows:

A method for processing a prefabricated pigtail, comprising the following steps:

A) Fix the butterfly cable head with the ceramic ferrule on the socket of the mounting plate, and grind the end of the ceramic ferrule by the grinding device;

B) After the grinding is completed, lift the mounting disc and turn it over 90°, so that the grinding surface of the mounting disc is in contact with the detection disc on which multiple detection heads are installed, and the end of each ceramic ferrule is in contact with the detection head one by one. , to test the end surface finish of the bare optical fiber at the end of the ceramic ferrule;

C) Remove the qualified butterfly cable head from the installation plate. If there is an unqualified butterfly cable head, continue to fix the unqualified butterfly cable head on the installation plate, and use the grinding device to adjust the end of the ceramic ferrule on the installation plate. grinding;

D) Repeat steps B) to C) until all butterfly cable heads are qualified.

After the grinding of the ceramic ferrule, unlike the prior art, the butterfly cable head is not directly removed from the mounting plate, but the mounting plate is directly lifted and turned 90°, so that the grinding surface of the mounting plate is different from the mounting plate. The detection disc of the detection head is abutted, so that the end surface finish of the bare optical fiber at the end of each ceramic ferrule can be directly tested online. After the detection is completed, the qualified butterfly cable head is removed from the installation disc, and the unqualified ones are left in. The mounting disc is further ground until it passes the inspection. The present application combines the detection process with the grinding process, which can greatly improve the processing efficiency.

In one embodiment of the present invention, in step A) and step C), after the grinding of the grinding equipment is completed, the grinding surface of the mounting plate is cleaned.

In one embodiment of the present invention, in step C), if there is an unqualified butterfly cable head, continue to fix the unqualified butterfly cable head on the installation disk, and at the same time, fix the new butterfly cable head to be ground in the empty space. on the socket.

This arrangement can make full use of the grinding equipment and further improve the processing efficiency.

In practice, the following steps are also included before step A):

Slitting process: winding the butterfly cable on the main reel on the sub-reel, and after winding the set distance, cut the butterfly cable, and remove the wound butterfly cable from the sub-reel;

Fiber stripping process: strip off the outer layer of the end of the butterfly cable to obtain a piece of bare fiber;

Ferrule process: insert the bare fiber into the dispensed ceramic ferrule;

Heating and curing process: use a heater to heat the ceramic ferrule to cure the glue inside;

Parts installation process: install the parts at the head of the butterfly cable.

In one embodiment of the present invention, the steps A) to B) are performed by grinding equipment, and the grinding equipment includes:

pedestal;

Grinding device, fixed on the base;

The upright column is rotatably mounted on the base;

a first driving mechanism for driving the column to rotate;

a turning plate, the end of which is rotatably mounted on the upper end of the upright column, and the turning plate has a horizontal working position and a vertical working position;

a second driving mechanism for driving the turning plate to rotate, so as to switch the turning plate between the horizontal working position and the vertical working position;

stand, fixed on the base;

The detection disc is installed on the upper part of the stand, and a plurality of detection heads are installed on the detection disc;

A lift cylinder, the cylinder body of which is fixed to one side of the flipping plate; and

The mounting plate is fixed with the piston rod of the lifting cylinder, one end of the mounting plate is a grinding surface, and the other end of the mounting plate is provided with a plurality of sockets, and the sockets are used for the insertion of the butterfly cable head;

When the turning plate is in the horizontal working position, the piston rod of the lifting cylinder is vertically arranged, the first driving mechanism is used to drive the column to rotate, so that the mounting plate is located directly above the grinding device, and the lifting cylinder is used to drive the installation The disc moves down to make the mounting disc cooperate with the grinding device, and drives the mounting disc to rise after the grinding is completed;

When the flip plate is in the vertical working position, the piston rod of the lift cylinder is set horizontally, the first drive mechanism is used to drive the column to rotate, so that the mounting plate faces the detection plate, and the lift cylinder is used to drive the mounting plate to the direction One side of the detection head moves, so that the butterfly cable head and the detection head are in a one-to-one correspondence with each other.

The working process of the grinding equipment is as follows: in the initial state, the turning plate is in the horizontal working position, the butterfly cable head to be ground is inserted into the corresponding socket, the first driving mechanism works, and the column is driven to rotate, so that the mounting plate is located directly above the grinding device. , the lifting cylinder works, drives the mounting plate to move down, and makes the mounting plate cooperate with the grinding device. The grinding device grinds each ceramic ferrule. After the grinding is completed, the lifting cylinder retracts, driving the mounting plate to rise, and the second drive mechanism works Turn the flip plate upward and switch to the horizontal working position, the first drive mechanism works, drives the column to rotate, makes the mounting plate face the detection plate, the lifting cylinder works, drives the mounting plate to move to the side of the detection head, and makes the butterfly cable head and the detection head One-to-one abutting and matching, the butterfly cable head is detected by the detection head. After the inspection is completed, take out the qualified butterfly cable head, and the unqualified butterfly cable head is left in the installation disk for re-grinding.

In practice, the first driving mechanism includes a motor and a transmission structure, and the transmission structure can be a conventional transmission structure, such as a gear set, a transmission belt, a chain, a worm gear, and the like.

The grinding device includes a grinding plate mounting seat, a grinding plate mounted on the grinding plate mounting seat, and a grinding mechanism for driving the grinding plate mounting seat to move. The grinding device of the present application is an existing grinding device, and the present application does not make any improvement to it, so the grinding device will not be described in detail.

In practice, the detection head is used for electrical connection with the detection device, so as to detect the end surface finish of the bare optical fiber at the end of the ceramic ferrule.

In one embodiment of the present invention, two sides of the socket are respectively provided with a light-emitting element and a switch for controlling the operation of the light-emitting element.

The switch and light-emitting element are provided to assist in identifying the qualified butterfly cable head, and when the qualified butterfly cable head is removed later, it can effectively prevent the wrong butterfly cable head from being pulled out.

In one embodiment of the present invention, the turning plate is rotatably installed on the column through a rotating shaft, a first gear is installed on both sides of the rotating shaft, and the second driving mechanism includes a second gear rotatably installed on the column. and a drive motor for driving the second gear to rotate, the second gear meshes with the two first gears at the same time.

In one embodiment of the present invention, the upper end of the column has an installation groove, and the rotating shaft and the second gear are both rotatably installed on the installation groove. When in the horizontal working position, the flip plate abuts against the bottom wall of the installation groove. ; The upper end of the upright column also has a limit plate, which abuts against the turning plate when in the vertical working position.

In one embodiment of the present invention, a guide sleeve is fixed on the mounting plate, a guide rod is fixed on the turning plate, and the guide rod is inserted on the guide sleeve. The provision of the guide sleeve and the guide rod can prevent the installation disc from rotating in the circumferential direction.

In one embodiment of the present invention, the grinding device has four limit posts, the mounting plate has four limit holes, and the limit holes are used for matching with the corresponding limit posts.

In one embodiment of the present invention, the grinding device further includes a cleaning mechanism for cleaning the grinding surface of the mounting plate, and the cleaning mechanism includes:

The cleaning cylinder is arranged horizontally, and the cylinder body of the cleaning cylinder is fixed with the base;

a horizontally arranged movable rod, the end of the movable rod is vertically fixed with the piston rod of the cleaning cylinder;

a rotating sleeve, which is rotatably mounted on the movable rod, and the outer surface of the rotating sleeve is provided with a flexible cloth for wiping the mounting plate;

The U-shaped frame is relatively fixed to the base, and the piston rod of the cleaning cylinder and the end of the movable rod slide in the space formed by the U-shaped frame;

The spray head is used to spray cleaning liquid to the grinding surface of the mounting plate.

The working process of the cleaning mechanism is as follows: After the grinding, the lifting cylinder drives the mounting plate to rise until the mounting plate is located above the movable rod. At this time, the nozzle works to spray cleaning liquid to the grinding surface of the mounting plate, and then the cleaning cylinder works to drive the movement. The rod moves from one end of the mounting plate to the other end. When moving, the flexible cloth of the rotating sleeve contacts the lower surface (that is, the grinding surface) of the mounting plate to wipe the mounting plate. In actual work, it can be wiped repeatedly for many times. By setting a U-shaped limit plate, the force can be improved and the movable rod can work reliably.

The beneficial effects of the invention are: after the grinding of the ceramic ferrule, unlike the prior art, the butterfly cable head is not directly removed from the installation plate, but the installation plate is directly lifted and turned 90°, so that the The grinding surface is in contact with the detection disc with multiple detection heads installed, so that the end surface finish of the bare optical fiber at the end of each ceramic ferrule can be directly tested online. After the detection is completed, the qualified butterfly cable head is removed from the installation disc. , and the unqualified ones will remain on the mounting plate for further grinding until they pass the test. The present application combines the detection process with the grinding process, which can greatly improve the processing efficiency.

Description of drawings:

Fig. 1 is the flow chart of the processing method of the prefabricated pigtail of the present invention;

FIG. 2 is a schematic structural diagram of the grinding equipment of the present invention.

The reference numbers in the figure are:

1. Base; 2. Grinding device; 3. Upright column; 4. First drive mechanism; 5. Turning plate; 6. Upright seat; 7. Detection plate; 8. Detection head; ; 11, socket; 12, light-emitting element; 13, switch; 14, rotating shaft; 15, first gear; 16, second gear; 17, drive motor; 18, installation slot; 19, limit plate; 20, guide sleeve; 21, guide rod; 22, limit column; 23, limit hole; 24, cleaning mechanism; 25, cleaning cylinder; 26, movable rod; 27, rotating sleeve; 28, U-shaped frame; 29, nozzle.

Detailed ways:

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in Figure 1, a processing method of a prefabricated pigtail includes the following steps:

A) Fix the butterfly cable head with the ceramic ferrule on the socket of the mounting plate, and grind the end of the ceramic ferrule by the grinding device;

B) After the grinding is completed, lift the mounting disc and turn it over 90°, so that the grinding surface of the mounting disc is in contact with the detection disc on which multiple detection heads are installed, and the end of each ceramic ferrule is in contact with the detection head one by one. , to test the end surface finish of the bare optical fiber at the end of the ceramic ferrule;

C) Remove the qualified butterfly cable head from the installation plate. If there is an unqualified butterfly cable head, continue to fix the unqualified butterfly cable head on the installation plate, and use the grinding device to adjust the end of the ceramic ferrule on the installation plate. grinding;

D) Repeat steps B) to C) until all butterfly cable heads are qualified.

After the grinding of the ceramic ferrule, unlike the prior art, the butterfly cable head is not directly removed from the mounting plate, but the mounting plate is directly lifted and turned 90°, so that the grinding surface of the mounting plate is different from the mounting plate. The detection disc of the detection head is abutted, so that the end surface finish of the bare optical fiber at the end of each ceramic ferrule can be directly tested online. After the detection is completed, the qualified butterfly cable head is removed from the installation disc, and the unqualified ones are left in. The mounting disc is further ground until it passes the inspection. The present application combines the detection process with the grinding process, which can greatly improve the processing efficiency.

In this embodiment, in step A) and step C), after the grinding of the grinding equipment is completed, the grinding surface of the mounting plate is cleaned.

In this embodiment, in step C), if there is an unqualified butterfly cable head, continue to fix the unqualified butterfly cable head on the installation disk, and fix the new butterfly cable head to be ground on the empty socket at the same time. .

This arrangement can make full use of the grinding equipment and further improve the processing efficiency.

In practice, the following steps are also included before step A):

Slitting process: winding the butterfly cable on the main reel on the sub-reel, and after winding the set distance, cut the butterfly cable, and remove the wound butterfly cable from the sub-reel;

Fiber stripping process: strip off the outer layer of the end of the butterfly cable to obtain a piece of bare fiber;

Ferrule process: insert the bare fiber into the dispensed ceramic ferrule;

Heating and curing process: use a heater to heat the ceramic ferrule to cure the glue inside;

Parts installation process: install the parts at the head of the butterfly cable.

As shown in FIG. 2, in this embodiment, the steps A) to B) are operated by grinding equipment, and the grinding equipment includes:

base 1;

The grinding device 2 is fixed on the base 1;

The column 3 is rotatably mounted on the base 1;

a first driving mechanism 4 for driving the upright column 3 to rotate;

Turning plate 5, the end of which is rotatably installed on the upper end of the upright column 3, and the turning plate 5 has a horizontal working position and a vertical working position;

a second driving mechanism for driving the turning plate 5 to rotate, so that the turning plate 5 can be switched between the horizontal working position and the vertical working position;

The stand 6 is fixed on the base 1;

The detection plate 7 is installed on the upper part of the stand 6, and a plurality of detection heads 8 are installed on the detection plate 7;

Lifting cylinder 9, the cylinder body of lifting cylinder 9 is fixed on one side of turning plate 5; and

The mounting plate 10 is fixed with the piston rod of the lifting cylinder 9, one end of the mounting plate 10 is a grinding surface, and the other end of the mounting plate 10 has a plurality of sockets 11, and the sockets 11 are used for the insertion of the butterfly cable head;

When the turning plate 5 is in the horizontal working position, the piston rod of the lifting cylinder 9 is vertically arranged, and the first driving mechanism 4 is used to drive the column 3 to rotate, so that the mounting plate 10 is located directly above the grinding device 2, and the The lifting cylinder 9 is used to drive the mounting plate 10 to move downward, so that the mounting plate 10 cooperates with the grinding device 2, and drives the mounting plate 10 to rise after the grinding is completed;

When the flip plate 5 is in the vertical working position, the piston rod of the lift cylinder 9 is set horizontally, and the first drive mechanism 4 is used to drive the column 3 to rotate, so that the mounting plate 10 faces the detection plate 7, and the lift cylinder 9 is used to drive the mounting plate 10 to move to the side of the detection head 8, so that the butterfly cable head and the detection head 8 are in a one-to-one correspondence with each other.

The working process of the grinding equipment is as follows: in the initial state, the turning plate 5 is located in the horizontal working position, the butterfly cable head to be ground is inserted into the corresponding socket 11, the first driving mechanism 4 works, and the column 3 is driven to rotate, so that the mounting plate 10 is located in the corresponding socket 11. Just above the grinding device 2, the lifting cylinder 9 works, driving the mounting plate 10 to move downward, so that the mounting plate 10 cooperates with the grinding device 2, and the grinding device 2 grinds each ceramic ferrule. After the grinding is completed, the lifting cylinder 9 retracts , drive the mounting plate 10 to rise, the second drive mechanism works, so that the flip plate 5 is turned upward and switched to the horizontal working position, the first drive mechanism 4 works, and the column 3 is driven to rotate, so that the mounting plate 10 is facing the detection plate 7, and the lifting cylinder 9 Work, drive the mounting plate 10 to move to the side of the detection head 8, so that the butterfly cable head and the detection head 8 abut against each other in one-to-one correspondence, and the butterfly cable head is detected by the detection head 8. After the inspection is completed, the qualified butterfly cable head is taken out, and the unqualified butterfly cable head is left in the installation disc 10 to be ground again.

In practice, the first driving mechanism 4 includes a motor and a transmission structure, and the transmission structure can be a conventional transmission structure, such as a gear set, a transmission belt, a chain, a worm gear, and the like.

The grinding device 2 includes a grinding plate mounting seat, a grinding plate mounted on the grinding plate mounting seat, and a grinding mechanism for driving the grinding plate mounting seat to move. The grinding device 2 of the present application is the existing grinding device 2, and the present application does not make any improvement to it, so the grinding device 2 will not be described in detail.

In actual application, the detection head 8 is used for electrical connection with the detection device, so as to detect the end surface smoothness of the bare optical fiber at the end of the ceramic ferrule.

As shown in FIG. 2 , in this embodiment, a light-emitting element 12 and a switch 13 for controlling the operation of the light-emitting element 12 are respectively disposed on both sides of the socket 11 .

The switch 13 and the light-emitting element 12 are provided to assist in identifying the qualified butterfly cable head, and when the qualified butterfly cable head is removed later, it can effectively prevent the wrong butterfly cable head from being pulled out.

As shown in FIG. 2 , in this embodiment, the turning plate 5 is rotatably mounted on the upright column 3 through a rotating shaft 14 , first gears 15 are installed on both sides of the rotating shaft 14 , and the second driving mechanism includes a rotating shaft 14 . The second gear 16 installed on the column 3 and the driving motor 17 for driving the second gear 16 to rotate, the second gear 16 meshes with the two first gears 15 at the same time.

As shown in FIG. 2 , in this embodiment, the upper end of the column 3 has an installation groove 18 , and the rotating shaft 14 and the second gear 16 are both rotatably installed on the installation groove 18 . When in the horizontal working position, the turning plate 5 abuts against the bottom wall of the installation groove 18; the upper end of the upright column 3 also has a limit plate 19, which abuts against the flip plate 5 in the vertical working position.

As shown in FIG. 2 , in this embodiment, a guide sleeve 20 is fixed on the mounting plate 10 , a guide rod 21 is fixed on the flip plate 5 , and the guide rod 21 is inserted into the guide sleeve 20 . The provision of the guide sleeve 20 and the guide rod 21 can prevent the mounting plate 10 from rotating in the circumferential direction.

As shown in FIG. 2 , in this embodiment, the grinding device 2 has four limit posts 22 , and the mounting plate 10 has four limit holes 23 , and the limit holes 23 are used for corresponding The limit post 22 is matched.

As shown in FIG. 2 , in this embodiment, the grinding device further includes a cleaning mechanism 24 for cleaning the grinding surface of the mounting plate 10 , and the cleaning mechanism 24 includes:

The cleaning cylinder 25 is arranged horizontally, and the cylinder body of the cleaning cylinder 25 is fixed to the base 1;

A horizontally arranged movable rod 26, the end of the movable rod 26 is vertically fixed with the piston rod of the cleaning cylinder 25;

The rotating sleeve 27 is rotatably mounted on the movable rod 26, and the outer surface of the rotating sleeve 27 has a flexible cloth for wiping the mounting plate 10;

The U-shaped frame 28 is relatively fixed with the base 1, and the piston rod of the cleaning cylinder 25 and the end of the movable rod 26 slide in the space formed by the U-shaped frame;

The spray head 29 is used for spraying the cleaning liquid to the polishing surface of the mounting disk 10 .

The working process of the cleaning mechanism is as follows: after the grinding, the lifting cylinder 9 drives the mounting plate 10 to rise until the mounting plate 10 is located above the movable rod 26. At this time, the nozzle 29 works to spray the cleaning liquid on the grinding surface of the mounting plate 10, and then The cleaning cylinder 25 works to drive the movable rod 26 to move from one end of the mounting plate 10 to the other end. When moving, the flexible cloth of the rotating sleeve 27 contacts the lower surface (that is, the abrasive surface) of the mounting plate 10 to wipe the mounting plate 10 . In actual work, it can be wiped repeatedly for many times. By setting the U-shaped frame 28, the force can be improved, and the movable rod 26 can work reliably.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of patent protection of the present invention. Any equivalent structural transformation made by using the contents of the description and accompanying drawings of the present invention can be directly or indirectly used in other related technical fields. All are similarly included in the protection scope of the present invention.

Claims (7)

1. Grinding apparatus for pre-fabricated pigtails, characterized in that it comprises:

a base;

the grinding device is fixed on the base;

the upright post is rotatably arranged on the base;

the first driving mechanism is used for driving the upright post to rotate;

the end part of the turnover plate is rotatably arranged at the upper end of the upright post, and the turnover plate is provided with a horizontal working position and a vertical working position;

the second driving mechanism is used for driving the turnover plate to rotate so as to switch the turnover plate between a horizontal working position and a vertical working position;

the vertical seat is fixed on the base;

the detection disc is arranged at the upper part of the vertical seat, and a plurality of detection heads are arranged on the detection disc;

the cylinder body of the lifting cylinder is fixed on one side of the turnover plate; and

the mounting disc is fixed with the piston rod of the lifting cylinder, one end of the mounting disc is a grinding surface, the other end of the mounting disc is provided with a plurality of sockets, and the sockets are used for inserting butterfly cable heads;

when the turnover plate is in a horizontal working position, a piston rod of the lifting cylinder is vertically arranged, the first driving mechanism is used for driving the stand column to rotate, so that the mounting disc is positioned right above the grinding device, the lifting cylinder is used for driving the mounting disc to move downwards, so that the mounting disc is matched with the grinding device, and the mounting disc is driven to ascend after the grinding is finished;

when the roll-over plate is in vertical work position, the piston rod level of lift cylinder sets up, a drive mechanism is used for driving the stand and rotates, makes the mounting disc just to detecting the dish, lift cylinder is used for driving the mounting disc and removes to detecting first one side, makes butterfly cable head and detection head one-to-one support to lean on the cooperation.

2. The abrading apparatus for pre-fabricated pigtails of claim 1, wherein a light emitting element and a switch for controlling the operation of the light emitting element are respectively provided at both sides of the receptacle.

3. The lapping apparatus for prefabricated pigtails of claim 1, wherein the turnover plate is rotatably mounted on the column by a rotating shaft, the rotating shaft is provided with first gears on both sides thereof, and the second driving mechanism comprises a second gear rotatably mounted on the column and a driving motor for driving the second gear to rotate, the second gear being simultaneously engaged with the two first gears.

4. The grinding apparatus for prefabricating a pigtail according to claim 1, wherein the upper end of the upright post is provided with a mounting groove, the rotating shaft and the second gear are both rotatably mounted on the mounting groove, and the turnover plate abuts against the bottom wall of the mounting groove in the horizontal working position; the upper end of the upright post is also provided with a limiting plate, and when the upright post is in a vertical working position, the limiting plate is abutted against the turnover plate.

5. The grinding apparatus for prefabricated tail fibers according to claim 1, wherein a guide sleeve is fixed on the mounting plate, a guide rod is fixed on the turnover plate, and the guide rod is inserted into the guide sleeve.

6. The grinding apparatus for prefabricated pigtails of claim 1, wherein the grinding device has four limiting posts thereon, and the mounting plate has four limiting holes thereon for mating with corresponding limiting posts.

7. A grinding apparatus for prefabricated pigtails of claim 1, wherein the grinding apparatus further comprises a cleaning mechanism for cleaning the ground surface of the mounting tray, the cleaning mechanism comprising:

the cleaning air cylinder is horizontally arranged, and a cylinder body of the cleaning air cylinder is fixed with the base;

the end part of the movable rod is vertically fixed with a piston rod of the cleaning cylinder;

the rotating sleeve is rotatably arranged on the movable rod, and the outer surface of the rotating sleeve is provided with a flexible cloth for wiping the mounting disc;

the U-shaped frame is relatively fixed with the base, and a piston rod of the cleaning cylinder and a section of the end part of the movable rod slide in a space formed by the U-shaped frame;

and the spray head is used for spraying cleaning fluid to the grinding surface of the mounting disc.

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