CN116037523A

CN116037523A - Back plate cleaning equipment and back plate cleaning assembly line

Info

Publication number: CN116037523A
Application number: CN202310026437.1A
Authority: CN
Inventors: 胡俊杰; 陈华斌; 袁友
Original assignee: Guanwei Technology Wuhan Co ltd
Current assignee: Guanwei Technology Wuhan Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-02

Abstract

The invention discloses backboard cleaning equipment and a backboard cleaning assembly line, which are characterized in that backboard cleaning equipment comprising a bearing device, a first cleaning device, a second cleaning device and a transfer device is arranged, the backboard can be placed on an object stage, the backboard is driven by the transfer device to sequentially pass through the first cleaning device and the second cleaning device, the first cleaning device cleans the peripheral side wall of a boss of the backboard below, the second cleaning device cleans the upper surface of the boss and the upper surface of a flat plate, and the cleaned backboard is taken down after cleaning is finished, so that automatic cleaning of the backboard is realized, labor cost is saved, and meanwhile, the working efficiency is high.

Description

Back plate cleaning equipment and back plate cleaning assembly line

Technical Field

The invention relates to the field of backboard cleaning, in particular to backboard cleaning equipment and a backboard cleaning assembly line.

Background

With the development of technology, intelligent terminals such as mobile phones and tablet computers have become indispensable electronic products in life. The intelligent terminal is mainly composed of a screen, a middle frame, a back plate and an internal circuit structure. In order to pursue better image level, a camera with high parameters is arranged in the mobile phone, and particularly, the rear camera of the mobile phone is large in size and protrudes out of the surface of the backboard. Correspondingly, a boss is formed on the backboard, and a through hole for accommodating the camera is formed in the boss.

Before the assembly stage of the mobile phone backboard, the mobile phone backboard needs to be cleaned, most of the existing backboard cleaning equipment is designed for a plane backboard, and the existing backboard can generate a certain height difference due to the existence of a boss, so that the existing cleaning equipment cannot clean the backboard with the boss.

Disclosure of Invention

The invention provides backboard cleaning equipment and a backboard cleaning assembly line, and aims to solve the problem that the existing backboard cleaning equipment cannot clean a backboard with a boss.

The invention provides a backboard cleaning device, which comprises a flat plate and a boss arranged on the flat plate, and comprises:

the bearing device comprises an objective table for bearing the backboard;

a first cleaning device including a first cleaning member disposed above the carrying device, and a first driving mechanism driving the first cleaning member to move around the outer circumference of the boss;

the second cleaning device comprises a second cleaning piece arranged above the bearing device, a concave part for accommodating the boss is arranged on the second cleaning piece, and the second cleaning device further comprises a second driving mechanism for driving the second cleaning piece to be in butt joint with the boss;

the concave part is used for relatively moving with the bearing device to wipe the boss surface.

In some embodiments, the surface of the second cleaning member facing the back plate is a cleaning surface, the cleaning surface is abutted with the outer surface of the flat plate, and the bottom surface of the concave portion is abutted with the upper surface of the boss.

In some embodiments, the carrier further comprises a first mounting frame and a third driving mechanism disposed on the first mounting frame, the third driving mechanism being connected to the stage for driving the stage to reciprocate along a surface of the first mounting frame.

In some embodiments, the third drive mechanism further comprises:

a slide assembly including a slider disposed on the stage; the cam assembly comprises a guide plate which is connected with the sliding block and provided with a limiting hole, and a cam which is arranged in the limiting hole;

the first motor is arranged on the first mounting frame and used for driving the cam to rotate in the limiting hole so as to drive the guide plate to reciprocate along the first direction.

In some embodiments, the second cleaning device further comprises:

the first lifting frame is arranged on one side of the first cleaning device and driven to lift by the second driving mechanism;

the first back pressure assembly comprises a first back pressure cylinder which is arranged on the first lifting frame, and the push rod is downwards arranged;

the second cleaning piece is arranged on the push rod of the first back pressure cylinder, and the first back pressure cylinder is used for driving the second cleaning piece to be in butt joint with the backboard.

In some embodiments, the back plate cleaning apparatus further comprises a dust-free cloth device comprising a dust-free cloth corresponding to the first cleaning member and/or the second cleaning member;

in a cleaning state, the dust-free cloth is lined between the back plate and the first cleaning piece or between the back plate and the second cleaning piece so as to wipe the back plate.

In some embodiments, the dust cloth apparatus further comprises:

a cloth supply assembly;

a cloth collecting assembly;

at least one pair of steering rollers which are arranged at intervals along the direction parallel to the objective table and are positioned above the objective table;

and one end of the dust-free cloth is wound on the cloth supply assembly, and the other end of the dust-free cloth is connected with the cloth collecting assembly after passing through the surface of the steering roller.

In some embodiments, the back plate cleaning apparatus includes a plurality of the second cleaning devices, each of the second cleaning devices being disposed in a spaced relationship between the cloth supply assembly and the cloth take-up assembly.

In some embodiments, the back plate cleaning device further comprises a cleaning liquid spraying mechanism arranged on one side of the dust-free cloth, and an output end of the cleaning liquid spraying mechanism is arranged towards the dust-free cloth.

In some embodiments, the back plate cleaning apparatus further comprises a third cleaning device comprising:

the third cleaning piece is arranged above the objective table;

and the fourth driving mechanism is used for driving the third cleaning piece to be in butt joint with the through hole on the backboard so as to clean the inner wall of the through hole.

In some embodiments, the back plate cleaning apparatus further comprises a transfer device for driving the carrying device to move and docking the back plate with the first cleaning device, the second cleaning device and the third cleaning device in sequence.

In some embodiments, the back plate cleaning apparatus includes a plurality of the carrying devices, the carrying devices being disposed in one-to-one correspondence with the first cleaning device, the second cleaning device, and the third cleaning device, respectively;

temporary storage mechanisms are respectively arranged among the first cleaning device, the second cleaning device and the third cleaning device at intervals, and are used for taking and placing the backboard on the bearing device which moves below the temporary storage mechanisms;

the temporary storage mechanism, the transfer device and the bearing devices are linked, so that the backboard sequentially flows on each bearing device.

In some embodiments, the back plate cleaning apparatus includes a first cleaning device, two second cleaning devices, and a third cleaning device sequentially arranged, where one temporary storage mechanism is disposed between the two second cleaning devices, and the two second cleaning devices share a dust-free cloth device.

The invention also provides a backboard cleaning assembly line, which comprises the backboard cleaning equipment, a feeding device arranged at one end of the transfer device and a discharging device arranged at the other end of the transfer device.

According to the invention, the backboard cleaning equipment comprising the bearing device, the first cleaning device, the second cleaning device and the transferring device is arranged, so that the backboard can be placed on the object stage, the transferring device drives the backboard to sequentially pass through the first cleaning device and the second cleaning device, the first cleaning device cleans the peripheral side wall of the boss of the backboard below, the second cleaning device cleans the upper surface of the boss and the upper surface of the flat plate, and the cleaned backboard is taken down after the cleaning is finished, so that the automatic cleaning of the backboard is realized, the labor cost is saved, and meanwhile, the working efficiency is high.

Drawings

FIG. 1 is a schematic view of a back plate cleaning apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of a first cleaning apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of a dust-free cloth device according to an embodiment of the present invention;

FIG. 4 is a schematic view of a structure of the stage and the third driving mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of a second cleaning member according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a second cleaning apparatus according to an embodiment of the invention;

FIG. 7 is a schematic view of a second cleaning apparatus according to an embodiment of the present invention;

FIG. 8 is a schematic view of a cleaning solution spraying mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic view of a third cleaning apparatus according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a feeding device according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a loading platform according to an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a blanking apparatus according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a third cleaning device according to an embodiment of the invention.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The invention provides a backboard cleaning device, referring to fig. 1 to 13, the backboard cleaning device is used for cleaning a backboard of an electronic product with a boss, the backboard comprises a flat plate and a boss, the boss is provided with a plurality of through holes, and the backboard cleaning device comprises:

a carrier 400 including a stage 410 for carrying the back plate;

a first cleaning device 100 including a first cleaning member 110 disposed above the carrier 400, and a first driving mechanism driving the first cleaning member 110 around an outer Zhou Yundong of the boss, the first cleaning device 100 for cleaning a sidewall of the boss;

a second cleaning device 200 including a second cleaning member 210 disposed above the carrier 400, and a second driving mechanism 220 driving the second cleaning member 210 to interface with the boss, the second cleaning device 200 for cleaning the upper surfaces of the plate and the boss;

and a transfer device 500 for driving the carrying device 400 to move and docking the stage 410 with the first cleaning device 100 and the second cleaning device 200.

In this embodiment, the first driving mechanism may be a multi-axis manipulator, or may be a moving module with three orthogonal axes, where the first cleaning member 110 is in a rod shape, may be a plastic rod with a certain elastic deformation capability, may be an electrostatic adsorption manner, or a direct contact adsorption manner, and may be swept along a sidewall of the boss, and may further cover cleaning materials such as non-woven fabrics on the periphery and the bottom of the first cleaning member 110, where the chamfer at the lower end edge of the first cleaning member 110 is adapted to the chamfer of the boss and the flat plate, so that the area on the flat plate around the boss may be cleaned. The first driving mechanism may further include a rotation shaft having a rotation center perpendicular to the back plate, so as to drive the first cleaning member 110 to rotate, thereby ensuring uniform use of each region of the outer periphery of the first cleaning member 110.

In this embodiment, the second cleaning member 210 may also be a multi-axis mechanical arm or a tri-axis orthogonal moving module, the second cleaning member 210 is a plate, a sink corresponding to the boss is disposed on the surface of the second cleaning member that is in butt joint with the back plate, cleaning materials, such as non-woven fabrics, are disposed on the surfaces of the sink and the second cleaning member 210, and when the boss enters the sink, the upper surface of the boss and the upper surface of the flat plate are in butt joint with the second cleaning member 210, the second driving mechanism 220 drives the second cleaning member 210 to generate a certain movement with the back plate in the horizontal direction, so as to wipe the flat plate and the upper surface and/or side edges of the boss.

In this embodiment, the transfer device 500 may be a linear motor, an electric cylinder, or an endless pipeline, and the transfer device 500 includes a transfer rail 510, and the first cleaning device 100 and the second cleaning device 200 are distributed along the transfer direction of the transfer device 500. The carrying device 400 is used for carrying a back plate, the carrying device 400 includes a first mounting frame 420 disposed at a moving end of the transferring device 500, and an objective table 410 disposed on the first mounting frame 420, and the objective table 410 fixes the back plate in a negative pressure fixing manner. Specifically, an air channel may be disposed inside the stage 410, an air hole 411 is disposed on the upper surface of the stage 410 and is communicated with the air channel, and when the back plate is prevented from being placed on the stage 410, the air hole 411 will adsorb the back plate to fix the back plate.

It should be noted that, the stage 410 may be provided with a sink corresponding to the shape of the backboard to position the backboard, or the backboard on the stage 410 may be visually positioned by visual recognition, so that the first cleaning member 110 and the second cleaning member 210 are accurately abutted to the boss, and in addition, two pairs of positioning sliders 432 perpendicular to each other in moving direction may be provided on the stage 410, so that the backboard is positioned when the two pairs of positioning sliders 432 move in opposite directions.

It should be noted that the first driving mechanism and the second driving mechanism 220 are not limited to the two types of the above-mentioned embodiments, and the two-axis orthogonal movement module can be provided by using the transferring device 500 to provide one degree of freedom of movement. Specifically, the transfer direction of the transfer device 500 is defined as the X-axis direction, and the first driving mechanism and the second driving mechanism 220 may be a Y-Z axis moving module. The movement in the X-axis direction is driven by an electric cylinder, and the movement in the Z-axis direction can be driven by an air cylinder. The corresponding first driving mechanism comprises a first Z-axis module 121 for driving the first cleaning member 110 to lift and lower, and a first Y-axis module 122 for driving the first cleaning member 110 to move along the Y-axis.

According to the scheme of the invention, the backboard is placed on the objective table 410, and driven by the transfer device 500 to sequentially pass through the first cleaning device 100 and the second cleaning device 200, the first cleaning device 100 cleans the peripheral side wall of the boss of the backboard below, the second cleaning device 200 cleans the upper surface of the boss and the upper surface of the flat plate, and the cleaned backboard is taken down after cleaning is finished, so that automatic cleaning of the backboard is realized, labor cost is saved, and meanwhile, the working efficiency is high.

In some embodiments, referring to fig. 1 to 13, the surface of the second cleaning member 210 facing the back plate is a cleaning surface, the cleaning surface is concavely provided with a recess 211 for accommodating the boss, the cleaning surface is abutted with the upper surface of the flat plate, and the inner top surface of the recess 211 is abutted with the upper surface of the boss.

In this embodiment, the recess 211 may be a complete recess, the shape of the recess corresponds to the shape of the boss, or may be configured as a half recess, and the recess depth of the recess 211 is equal to the height of the boss protruding from the flat plate. When the recess 211 is formed as a half groove, two recesses 211 are generally formed. The two concave portions 211 are respectively used for cleaning half side walls of the boss, specifically, the second cleaning member 210 is driven by the second driving mechanism 220 to contact with the back plate, the first concave portion 211 is aligned with a part of the boss, the third driving mechanism drives the stage 410 to move to start cleaning a part of the boss, after cleaning of the boss of the part is completed, the second driving mechanism 220 drives the second cleaning member 210 to be away from the back plate, and then drives the second cleaning member 210 to move, so that the other concave portion 211 is aligned with the rest uncleaned part of the boss.

In this embodiment, the bottom of the recess 211 rubs against the surface of the boss, and the inner wall of the recess 211 rubs against the peripheral wall of the boss, thereby cleaning the boss. The cleaning surface of the second cleaning member 210 also contacts the plate of the back plate while cleaning the boss, and the cleaning surface also rubs against a portion of the plate while cleaning the plate.

In some embodiments, referring to fig. 1 to 13, the carrying device 400 further includes a first mounting frame 420 disposed at a moving end of the transferring device 500, and a third driving mechanism disposed on the first mounting frame 420, and coupled to the stage 410, for driving the stage 410 to horizontally reciprocate.

The third drive mechanism further includes:

the sliding assembly 430 includes a sliding rail 431 disposed on the first mounting frame 420, and a slider 432 connected to the stage 410:

a cam assembly 440 including a guide plate 442 coupled to the slider 432 and having a limiting hole, and a cam 441 disposed in the guide plate 442;

a first motor 450 is provided on the first mounting frame 420 and a rotating shaft is connected to the cam 441.

In this embodiment, the cam assembly 440 includes a cam 441 and a guide plate 442, the cam 441 is disposed at an output end of the first motor 450, the guide plate 442 is disposed on the stage 410, the guide plate 442 is provided with a limiting hole, and the cam 441 is accommodated in the limiting hole; the sliding assembly includes a sliding rail 431 and a sliding block 432, the sliding rail 431 is disposed on the first mounting frame 420, one end of the sliding block 432 is slidably connected to the sliding rail 431, and the other end is connected to the stage 410.

In this embodiment, the rotation shaft of the first motor 450 is vertically disposed for outputting torque, the cam 441 is mounted at the output end of the first motor 450 and rotates along with the output torque of the first motor 450, the guide plate 442 is provided with a limiting hole, the guide plate 442 is mounted on the stage 410, the cam 441 is accommodated in the limiting hole, when the third driving mechanism outputs torque, the cam 441 rotates, the peripheral wall of the rotating cam 441 presses the inner wall of the limiting hole, so that the stage 410 reciprocally moves towards a direction close to and far from the rotation shaft of the first motor 450, two slide rails 431 and slide blocks 432 are disposed, the disposed direction of the slide rails 431 is a horizontal direction, two slide rails 431 are disposed in parallel, the two slide rails 431 are disposed at intervals, each slide rail 431 is generally slidingly connected with the slide block 432, and the slide block 432 is connected to the stage 410. The direction of the horizontal reciprocating motion of the stage 410 is perpendicular to the direction of the motion of the carrier 400.

In this embodiment, the limiting hole of the guide plate 442 is a waist-shaped hole, the cam 441 is a common circular roller, and when the circular roller is driven to rotate, the inner wall of the waist-shaped groove is contacted to move, so that the stage 410 can also horizontally reciprocate, and a person skilled in the art can select the design according to the actual situation.

In this embodiment, the second driving mechanism 220 drives the second cleaning member 210 to move toward the back plate on the stage 410 along the vertical direction until the second cleaning member 210 contacts the boss on the back plate, and after contacting, the third driving mechanism drives the stage 410 to move, so that the surface of the boss on the back plate and the peripheral side of the boss rub against the second cleaning member 210, and the second cleaning member 210 cleans the rubbed portion of the back plate to remove dirt. After the cleaning is completed, the second driving mechanism 220 drives the second cleaning member 210 to be away from the back plate, so that the automatic working efficiency is high.

In some embodiments, referring to fig. 1 to 13, the second cleaning device 200 further includes:

the first lifting frame 241 is arranged at one side of the transferring device 500 and driven to lift by the second driving mechanism 220;

the first back pressure assembly 230 comprises a first back pressure cylinder 231 arranged on the first lifting frame 241 and provided with a downward push rod;

the second cleaning member 210 is disposed on a push rod of the first back pressure cylinder 231, and the first back pressure cylinder 231 is used for driving the second cleaning member 210 to be in butt joint with the back plate.

In the present embodiment, the second driving mechanism 220 includes a second screw assembly 222, a second motor 221 and a second sliding module 223, and the first lifting frame 241 is connected to the second sliding module 223 and is driven to lift by the second motor 221. The second cleaning member 210 is mounted on the second mounting frame, and the second mounting frame and the first lifting frame 241 can independently slide along the second sliding module 223. The stiff end of first backpressure cylinder 231 is located on the first crane 241, and the second mounting bracket is connected to the output of first backpressure cylinder 231, and balanced extension spring is two, and the second mounting bracket is connected to the one end of every balanced extension spring, and first crane 241 is connected to the other end, and first backpressure valve 232 is located on the first crane 241, communicates first backpressure cylinder 231.

When cleaning is required, the second driving mechanism 220 drives the first lifting frame 241 to move up and down, the second mounting frame connected through the first back pressure cylinder 231 moves along with the first lifting frame 241 to move synchronously, so that the second cleaning member 210 approaches the backboard on the lower stage 410 along the vertical direction until the second cleaning member 210 approaches the backboard, then the first back pressure cylinder 231 outputs driving force to enable the second cleaning member 210 to move downwards along the vertical direction to press against the backboard below, and then the third driving mechanism and/or the second driving mechanism drives the stage 410 to move horizontally to wipe the backboard. The first back pressure cylinder 231 applies force to the second cleaning member 210 to enable the second cleaning member 210 to be in pressure connection with the backboard under a certain pressure, clean force is guaranteed, the first back pressure valve 232 is connected to the first back pressure cylinder 231 and used for adjusting the output force of the first back pressure cylinder 231, namely, the pressure of the second cleaning member 210 in pressure connection with the backboard is driven, under the condition of proper pressure, the backboard cannot be broken due to overlarge stress and cannot be poor in cleaning effect due to overlarge stress of the backboard, and the balance tension spring is used for balancing the output force and torque of the backboard when the backboard is subjected to overlarge stress and cleaning, so that the first back pressure cylinder 231 can stably push the second cleaning member 210 to be in butt joint with the backboard, the backboard which is in pressure connection with the lower portion is prevented from being damaged due to overlarge inertia, meanwhile, the second mounting frame can be prevented from generating tiny deflection, and the fact that the received pressures of the two backboard are different on the object stage 410 with double positions are avoided.

In some embodiments, referring to fig. 1 to 13, the back plate cleaning apparatus further includes a dust-free cloth device 700, the dust-free cloth device 700 including:

a cloth feed assembly 710;

a cloth collecting assembly 720;

at least one pair of turning rolls 730 horizontally spaced apart and positioned above the stage 410;

one end of the dust-free cloth is wound on the cloth supply assembly 710, the other end of the dust-free cloth sequentially winds around the turning rollers 730 and then is connected to the cloth collecting assembly 720, the part of the dust-free cloth between the two turning rollers 730 is a cleaning section, and when a backboard is cleaned, the cleaning section is in contact with the backboard.

In this embodiment, the cloth feeding assembly 710 is rotatably connected to a first air expansion shaft on the first lifting frame 241, the clean dust-free cloth is wound around the first air expansion shaft, the cloth collecting assembly 720 is composed of a second air expansion shaft and a cloth collecting motor, the output end of the cloth collecting motor is connected to the second air expansion shaft, the dust-free cloth extends out of the cloth feeding assembly 710, and is wound around the second air expansion shaft of the cloth collecting assembly 720 after bypassing the two turning rolls 730 in turn, at this time, a section of the dust-free cloth between the two turning rolls 730 is located between the second cleaning member 210 and the stage 410, when cleaning is performed, the second driving mechanism 220 drives the second cleaning member 210 to move towards the stage 410, the second cleaning member 210 contacts the dust-free cloth first, then abuts against the dust-free cloth, the dust-free cloth contacts the back plate on the stage 410, and then the third driving mechanism drives the stage 410 to move, so that the back plate on the stage 410 rubs with the dust-free cloth abutted against the dust-free cloth of the second cleaning member 210, and the dust-free cloth is cleaned. After the cleaning is completed, the second driving mechanism 220 drives the second cleaning member 210 to move along the direction away from the objective table 410, and then the cloth collecting motor of the cloth collecting assembly 720 outputs the second air expansion shaft connected with the cloth collecting motor to rotate, so that the dust-free cloth is wound on the cloth collecting assembly 720, and meanwhile, the clean dust-free cloth wound on the cloth supplying assembly 710 is driven to move between the two turning rollers 730, and when the clean and uncleaned cloth section moves between the second cleaning member 210 and the objective table 410, the cleaning operation of the next uncleaned backboard is continued.

The function of the dust-free cloth is that when the second cleaning member 210 is made of a material with a slightly hard texture, the second cleaning member 210 is directly contacted with the backboard, the backboard is easy to damage, the dust-free cloth is used as an intermediate contact material, a certain buffering function can be achieved, the cleaning effect of the dust-free cloth is good, and the dust-free cloth is used for cleaning in most of the existing devices.

The number of turning rolls 730 may be set as desired, and the turning rolls 730 are used to tension the dust-free cloth received between the cloth feeding unit 710 and the cloth collecting unit 720 and provide a guide for the movement of the dust-free cloth. A tension cylinder 740 driving the steering roller 730 to move may be further provided to adjust the tension of the dust-free cloth.

In some embodiments, referring to fig. 1 to 13, the back plate cleaning apparatus includes two second cleaning devices 200, and the two second cleaning devices 200 are horizontally spaced between the cloth feeding assembly 710 and the cloth collecting assembly 720;

the back plate cleaning device further comprises a cleaning liquid spraying mechanism 250 arranged on one side of the dust-free cloth, and the output end of the cleaning liquid spraying mechanism 250 is arranged towards the dust-free cloth.

In this embodiment, the cleaning of the back plate is divided into dry cleaning and wet cleaning, the wet cleaning is generally performed by wiping with a cleaning liquid, and the cleaning step is to perform wet cleaning on the back plate first and then perform dry cleaning on the cleaned part. When cleaning is performed, the back plate is first placed on the stage 410, the stage 410 is located below the first second cleaning device 200, at this time, the cleaning solution spraying mechanism 250 sprays the cleaning solution onto the dust-free cloth between the two turning rolls 730 to wet the dust-free cloth, then the second driving mechanism 220 drives the second cleaning member 210 to move along the direction toward the stage 410, the wet dust-free cloth is abutted to the back plate on the stage 410, and then the third driving mechanism drives the stage 410 to move to perform wet cleaning. The wet-cleaned back plate is driven by the transfer device 500 together with the carrier device 400 and transferred to the second cleaning device 200, which is dry-cleaned by the second cleaning device 200, and the dry-cleaned second cleaning device 200 has the cleaning step different from the wet cleaning in that the cleaning liquid spraying mechanism 250 does not spray the cleaning liquid, and the rest steps are the same.

In some embodiments, referring to fig. 1 to 13, a stage 410 according to an embodiment of the present invention is provided with a plurality of stations for mounting a back plate, a plurality of second cleaning members 210 are provided, each second cleaning member 210 is disposed corresponding to a station, a cleaning solution spraying mechanism 250 includes a translation module 252 and a spray head assembly 251 disposed at an output end of the translation module 252, the translation module 252 is used for driving the spray head assembly 251 to horizontally move between the stations, and the spray head assembly 251 is connected with a cleaning solution tank for continuously providing cleaning solution. The translation module 252 drives the spray head assembly 251 to horizontally move between stations and spray cleaning liquid while moving. The cleaning liquid is sprayed and covered on the dust-free cloth, then the second driving mechanism 220 drives the second cleaning pieces 210 to move towards the object stage 410, each second cleaning piece 210 abuts the wet dust-free cloth on the backboard of the corresponding station, and then the third driving mechanism drives the object stage 410 to move to perform cleaning work.

In some embodiments, referring to fig. 1 to 13, the back plate cleaning apparatus according to the embodiment of the present invention further includes a third cleaning device 300, where the third cleaning device 300 includes: and the third cleaning member 310 and the fourth driving mechanism 320 are used for driving the third cleaning member 310 to be in butt joint with the through hole on the backboard and cleaning the inner wall of the through hole.

In this embodiment, the fourth driving mechanism 320 drives the third cleaning member 310 to move along the back plate on the objective table 410 until the third cleaning member 310 stretches into the through hole to clean the inner wall of the through hole, and after the cleaning is completed, the fourth driving mechanism 320 drives the third cleaning member 310 to keep away from the back plate, and the back plate is replaced to continue cleaning Kong Zuoye.

In this embodiment, the fourth driving mechanism 320 includes a fourth screw assembly, a fourth motor and a fourth sliding module 324, and the second lifting frame 331 is connected to the fourth sliding module 324 and driven by the fourth motor to lift. The second cleaning element 210 is mounted on the fourth mounting frame 322, and the fourth mounting frame 322 and the second lifting frame 331 can slide along the fourth sliding module 324 independently. The stiff end of second backpressure cylinder 332 is located on the second crane 331, and fourth mounting bracket 322 is connected to the output of second backpressure cylinder 332, and balanced extension spring is two, and fourth mounting bracket 322 is connected to the one end of every balanced extension spring, and second crane 331 is connected to the other end, and second backpressure valve 333 is located on the second crane 331, communicates second backpressure cylinder 332.

In some embodiments, referring to fig. 1 to 13, the third cleaning apparatus 300 further includes a fifth motor 321 and a third sliding module 323 disposed on the fourth mounting frame 322, and a fourth sliding module 324 disposed on the third sliding module 323, wherein one sliding direction is an X-axis direction and the other sliding direction is a Y-axis direction. An eccentric wheel is arranged on the rotating shaft of the fifth motor 321, the eccentric wheel is fixed on the fourth sliding module 324, and meanwhile, the third cleaning member 310 is installed on the fourth sliding module 324 through the fine adjustment module 350. The fine adjustment module 350 can adjust the distance and the positional relationship between two adjacent third cleaning members 310, and can also adjust the verticality between the third cleaning members 310 and the back plate.

When the fifth motor 321 drives the eccentric wheel to rotate, the eccentric wheel is transferred to the third cleaning member 310 through the fourth sliding module 324 and the third sliding module 323, the third cleaning member 310 is circled in the through hole, the inner wall of the through hole is cleaned, and the third cleaning member 310 can be arranged in the form of the first cleaning member 110. In this embodiment, a third sliding module 323 and a fourth sliding module 324 are provided for driving two or more third cleaning members 310 to move synchronously.

In some embodiments, referring to fig. 1 to 13, the outer wall of the third cleaning member 310 may be wiped in direct contact with the inner wall of the through hole. The dust-free cloth device 700 may be disposed at the third cleaning device 300, and the dust-free cloth is pushed into the through hole by the third cleaning member 310, which has the same function as the dust-free cloth device 700 disposed on the second cleaning device 200, so that the third cleaning member 310 contacts the dust-free cloth first and then contacts the dust-free cloth into the through hole of the back plate for cleaning, thereby avoiding damage to the back plate and improving the cleaning effect.

In some embodiments, referring to fig. 1 to 13, the dust-free cloth device 700 may be disposed on the first cleaning device 100, the first cleaning member 110 may be disposed between the two steering rollers 730, a supporting plate may be further disposed between the two steering rollers 730, the dust-free cloth may be attached to the upper surface of the supporting plate when being transferred between the two steering rollers 730, a station hole may be disposed on the supporting plate, and the first cleaning member 110 may descend to insert the dust-free cloth into the station hole and extend below the supporting plate to be abutted with the boss. The arrangement of the receiving plate and the station holes plays a certain limiting role, and when a plurality of cleaning stations are provided, dust-free cloth at the cleaning section is prevented from integrally extending downwards to the boss, so that dust-free cloth at each first cleaning piece 110 is ensured to respectively extend and keep a certain taper, and mutual interference is avoided.

The back plate cleaning apparatus according to the embodiment of the present invention further includes a transferring device 500 disposed on the substrate, a base of the carrying device 400 is disposed at an output end of the transferring device 500, and the transferring device 500 is used for driving the carrying device 400 to transfer the back plate between the two second cleaning devices 200 and the third cleaning device 300. The transfer device 500 is a linear motor, the bearing device 400 is arranged on a rotor of the linear motor, when the transfer device 500 outputs driving force, the bearing device 400 horizontally moves, when cleaning operation is carried out, the transfer device 500 firstly drives the objective table 410 to receive a backboard to be cleaned at the loading position, then drives the objective table 410 to move to the first cleaning device 100 to clean the lateral wall of the boss, then moves to the first second cleaning device 200 to carry out wet cleaning, after the wet cleaning is finished, the transfer device 500 drives the objective table 410 to move to the second cleaning device 200 to carry out dry cleaning, after the dry cleaning is finished, the transfer device 500 drives the objective table 410 to move to the lower part of the third cleaning device 300 to carry out hole cleaning, after the hole cleaning is finished, the transfer device 500 drives the objective table 410 to the blanking position, waits for manual or other transfer devices to take down the cleaned backboard, then drives the objective table 410 to return to the loading position to continue feeding, the processes of feeding, cleaning and blanking are repeated, and automatic cleaning of the backboard is realized.

In some embodiments, referring to fig. 1 to 13, four carrying devices 400 are provided, the four carrying devices 400 are arranged at intervals along the material conveying direction, a temporary storage mechanism 600 is disposed between every two adjacent carrying devices 400, the temporary storage mechanism 600 is located above the stage 410, and each temporary storage mechanism 600 is used for picking and placing the back plates on the two carrying devices 400 adjacent to the temporary storage mechanism 600.

In this embodiment, the transferring device 500 is provided with four movers, the four bearing devices 400 are respectively disposed on one of the movers, the transferring device 500 can independently drive any one of the movers, and the bearing devices 400 disposed along the conveying direction of the material are respectively used for:

the first carrying device 400 receives the back plates at the loading position and is driven by the transferring device 500 to move to the position below the first cleaning device 100 for cleaning, at this time, the second carrying device 400 moves from the position below the first temporary storage mechanism 600 to the position below the second cleaning device 200 for wet cleaning, the third carrying device 400 moves from the position below the second temporary storage mechanism 600 to the position below the second cleaning device 200 for dry cleaning, the fourth carrying device 400 moves from the position below the third temporary storage mechanism 600 to the position below the third cleaning device 300, and after the back plates are cleaned, the whole back movement is continued.

The first carrier 400 moves from under the first cleaning device 100 to under the first temporary storage device, the second carrier 400 moves from under the second cleaning device 200 for dry cleaning to under the second temporary storage mechanism 600, the third carrier 400 moves from under the second cleaning device 200 for wet cleaning to under the third temporary storage mechanism 600, and the fourth carrier 400 moves from under the third cleaning device 300 to the blanking station. At this time, each of the temporary storage mechanisms 600 lifts the lower back plate, and then the four carriers 400 are reset, and the three temporary storage mechanisms 600 lower the back plate, thereby transferring the back plate from the previous stage 410 to the next stage 410. While the first stage 410 is empty in preparation for receiving a new backing plate.

Each carrying device 400 is independently driven by the transferring device 500, transferring time is saved in the automatic cleaning process, if only a single carrying device 400 is arranged, the single carrying device 400 is required to sequentially pass through wet cleaning, dry cleaning and hole cleaning from a feeding position to a discharging position, the discharging position is returned to receive a backboard for next cleaning operation after finishing discharging, the transportation time of the backboard is long, the utilization rate of each device is low, most of the devices are in a standby state, the cleaning operation efficiency is influenced, the whole cleaning operation can be segmented by arranging a plurality of carrying devices 400, and the transportation time of the backboard is saved, so that the equipment efficiency is improved.

In some embodiments, referring to fig. 1 to 13, the temporary storage mechanism 600 includes a second driving cylinder 610 and a negative pressure suction head 620 provided at an output end of the second driving cylinder 610, and when the stage 410 is driven by the transfer device 500 to move under the temporary storage mechanism 600, the second driving cylinder 610 drives the negative pressure suction head 620 to move in a direction toward the stage 410, so that the negative pressure suction head 620 contacts a back plate on the stage 410, the negative pressure suction head 620 sucks the back plate by using negative pressure, and then the second driving cylinder 610 drives the negative pressure suction head 620 to move in a direction away from the stage 410, so as to lift the back plate from the stage 410. Waiting for another stage 410 to receive the backing plate, the second drive cylinder 610 cooperates with the negative pressure suction head 620 to place the adsorbed backing plate thereon.

The invention also provides a back plate cleaning assembly line, and referring to fig. 1 to 13, the back plate cleaning assembly line comprises the back plate cleaning device, a feeding device 800 arranged at one end of the transferring device 500, and a discharging device arranged at the other end of the transferring device 500.

In this embodiment, two side-by-side backboard cleaning apparatuses may be provided, the feeding device 800 respectively feeds the two apparatuses, and the discharging device discharges the two apparatuses. The feeding device 800 includes a feeding conveying line 810 disposed between the two transfer devices 500, a feeding stage 820 disposed on the feeding conveying line 810, and a first transplanting mechanism 830 disposed above the two transfer devices 500, where the first transplanting mechanism 830 is used for transferring the back plate on the feeding stage 820 onto the objective table 410. One end of the feeding conveying line 810 is arranged between the two transfer devices 500, the feeding carrier 820 comprises a mounting seat 821 and a carrier plate 822 arranged on the mounting seat 821, two pairs of positioning sliding blocks 432 are arranged on the mounting seat 821, positioning columns are arranged on the two pairs of positioning sliding blocks 432, and the positions of the backboard are corrected by the relative movement of the positioning sliding blocks 432. The two pairs of positioning sliders 432 are moved in the X-axis direction and in the Y-axis direction. A fixed positioning block can be arranged to replace one positioning slide block 432, and the other positioning slide block 432 moves towards the positioning block, so that correction is performed on the backboard. The positioning slide blocks 432 can be driven by a motor and belt wheel mechanism 824, one of the positioning slide blocks 432 is arranged on one side of the synchronous belt, the other positioning slide block 432 is arranged on the other side of the synchronous belt, and the synchronous belt moves to drive the positioning slide blocks 432 to move oppositely or back to back. In this embodiment, a set of pulley mechanisms 824 is provided on which the direction of movement of the positioning slide 432 is disposed perpendicularly.

In this embodiment, after the back plate is corrected on the feeding stage 820, the back plate is transferred to the objective table 410 by the first transplanting mechanism 830, and when the operation precision of the first transplanting mechanism 830 meets the requirement, the back plate on the objective table 410 is in the set posture.

In this embodiment, the blanking device includes a second transplanting mechanism 910 located at one side of the transferring device 500 and a blanking conveying line 920 connected to the two transferring devices 500. The blanking conveying line 920 is provided with a blanking stage 930, and the structure of the blanking stage 930 is the same as that of the loading stage 820, which will not be described here. The cleaned back plate has a certain position offset in the transferring process and the cleaning process, so that further correction is required on the blanking carrier 930, and the subsequent processing procedure is performed once. In addition, a rotating platform can be disposed between the blanking conveying line 920 and the blanking stage 930 to further adjust the position of the back plate.

The above description of the preferred embodiments of the present invention should not be taken as limiting the scope of the invention, but rather should be understood to cover all modifications, variations and adaptations of the present invention using its general principles and the following detailed description and the accompanying drawings, or the direct/indirect application of the present invention to other relevant arts and technologies.

Claims

1. A back plate cleaning apparatus, the back plate comprising a plate and a boss disposed on the plate, the back plate cleaning apparatus comprising:

the bearing device comprises an objective table for bearing the backboard;

the concave part is used for horizontally and relatively moving with the bearing device so as to wipe the surface of the boss.

2. The back plate cleaning apparatus of claim 1, wherein the carrying device further comprises a first mounting frame and a third drive mechanism disposed on the first mounting frame, the third drive mechanism coupled to the stage for driving the stage to reciprocate along a surface of the first mounting frame.

3. The back plate cleaning apparatus of claim 2, wherein said third drive mechanism further comprises:

a slide assembly including a slider disposed on the stage;

the cam assembly comprises a guide plate which is connected with the sliding block and provided with a limiting hole, and a cam which is arranged in the limiting hole;

4. The backboard cleaning apparatus according to claim 1, wherein the second cleaning means further comprises:

5. The backboard cleaning apparatus according to claim 1, further comprising a dust-free cloth device including dust-free cloth corresponding to the first cleaning member and/or the second cleaning member;

6. The backboard cleaning apparatus according to claim 5, wherein said dust-free cloth device further comprises:

a cloth supply assembly;

a cloth collecting assembly;

7. The backboard cleaning apparatus according to claim 6, wherein the backboard cleaning apparatus includes a plurality of the second cleaning devices, each of the second cleaning devices being disposed between the cloth supply assembly and the cloth take-up assembly at intervals.

8. The backboard cleaning apparatus according to claim 5, further comprising a cleaning liquid spraying mechanism provided at one side of the dust-free cloth, wherein an output end of the cleaning liquid spraying mechanism is provided toward the dust-free cloth.

9. The back plate cleaning apparatus according to any one of claims 1-8, further comprising a third cleaning device comprising:

the third cleaning piece is arranged above the objective table;

10. The backboard cleaning apparatus according to claim 9, further comprising a transfer device for driving the carrier device to move and docking the backboard with the first, second and third cleaning devices in sequence.

11. The back plate cleaning apparatus according to claim 10, wherein the back plate cleaning apparatus comprises a plurality of the carrying devices, the carrying devices being provided in one-to-one correspondence with the first cleaning device, the second cleaning device, and the third cleaning device, respectively;

12. The back plate cleaning apparatus according to claim 11, wherein the back plate cleaning apparatus comprises a first cleaning device, two second cleaning devices and a third cleaning device arranged in this order, one of the temporary storage mechanisms is provided between the two second cleaning devices, and the two second cleaning devices share one dust-free cloth device.

13. A back plate cleaning assembly line, characterized by comprising the back plate cleaning device of any one of claims 10-12, a feeding device arranged at one end of the transfer device, and a discharging device arranged at the other end of the transfer device.