CN212856953U

CN212856953U - Semiconductor circuit board cleaning device

Info

Publication number: CN212856953U
Application number: CN202020684623.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Nerida Precision Engineering Suzhou Co ltd
Current assignee: Nerida Precision Engineering Suzhou Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-04-02
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a semiconductor circuit board cleaning device, include: the device comprises a base, a controller, a dust collecting mechanism, a box body, a cleaning mechanism, a moving mechanism, a rotating mechanism, a feeding hole and an infrared grating; the controller is arranged on the front side of the top end of the base along the left-right direction; the dust collecting mechanism is arranged on the rear side of the top end of the base along the front-back direction; the box body is arranged at the top end of the dust collecting mechanism along the up-down direction; the cleaning mechanism is arranged at the rear side of the box body; the moving mechanism is arranged on the front side of the bottom end of the inner cavity of the box body along the left-right direction; the rotating mechanism is arranged at the top end of the moving mechanism. This semiconductor circuit board cleaning device can realize clearing up semiconductor circuit board surface adhesion dust automatically, reduces staff's manual operation item, easy operation, labour saving and time saving to improve the cleaning performance, prevent to have and wash the dead angle.

Description

Semiconductor circuit board cleaning device

Technical Field

The utility model relates to the field of semiconductor technology, specifically be a semiconductor circuit board cleaning device.

Background

Semiconductor refers to a material having a conductive property between a conductor and an insulator at normal temperature. Semiconductor is widely used in radio, television and temperature measurement, for example, diode is a device made of semiconductor, which is a material with controllable conductivity ranging from insulator to conductor, and the importance of semiconductor is very great from the viewpoint of technological or economic development, and most of today's electronic products, such as computers, mobile phones or digital recorders, have a very close relationship with semiconductor. Common semiconductor materials are silicon, germanium, gallium arsenide, etc., and silicon is the most influential one of various semiconductor materials in commercial application;

in the prior art, a large amount of dust is easily attached to the inside of a semiconductor circuit board of an electric device due to static electricity, so that workers need to manually clean the dust attached to the surface of the circuit board in the maintenance process of the semiconductor circuit board, time and labor are wasted, a cleaning dead angle is easily formed, and the semiconductor circuit board cleaning device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a semiconductor circuit board cleaning device to solve the inside easy a large amount of dusts that adheres to of the inside semiconductor circuit board of electrical part of prior art because of static reason at least, and then lead to the staff to need to clear up circuit board surface adnexed dust manually in the maintenance process of semiconductor circuit board, waste time and energy, and have the clearance dead angle easily, to above-mentioned problem, we provide a semiconductor circuit board cleaning device's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a semiconductor circuit board cleaning apparatus comprising:

a base;

a controller installed at a front side of a top end of the base in a left-right direction;

the dust collecting mechanism is arranged on the rear side of the top end of the base along the front-back direction;

the box body is arranged at the top end of the dust collecting mechanism along the vertical direction;

the cleaning mechanism is arranged on the rear side of the box body;

the moving mechanism is arranged on the front side of the bottom end of the inner cavity of the box body in the left-right direction;

the rotating mechanism is arranged at the top end of the moving mechanism;

the feeding hole is formed in the center of the bottom end of the left side of the inner cavity of the box body, the left side and the right side of the inner cavity of the feeding hole are respectively communicated with the outer wall and the inner cavity of the box body, and the left side of the moving mechanism penetrates through the bottom end of the inner cavity of the feeding hole;

the number of the infrared gratings is two, two the infrared gratings are installed along the upper and lower direction respectively the inner wall of the box body and the two sides of the front side of the feed inlet are located, and the infrared gratings are electrically connected with the controller.

Preferably, the cleaning mechanism includes: a dust collection mechanism housing and a drawer; the dust collecting mechanism shell is arranged on the rear side of the top end of the base along the front-back direction, and the top end of an inner cavity of the dust collecting mechanism shell is communicated with the bottom end of an inner cavity of the box body; the drawer is inserted in the right side of the inner cavity of the dust collecting mechanism shell along the left-right direction.

Preferably, the cleaning mechanism includes: the device comprises a cleaning mechanism shell, an electric hydraulic cylinder, a top plate, a first stepping motor, a first lead screw, a lead screw nut block and a guide rail; the cleaning mechanism shell is arranged on the rear side of the box body, the front side of the cleaning mechanism shell extends to the inner cavity of the box body, and the front side of the inner cavity of the cleaning mechanism shell is communicated with the inner cavity of the box body; the electric hydraulic cylinder is arranged at the center of the top end of the left side of the inner cavity of the cleaning mechanism shell along the left-right direction and is electrically connected with the controller; the top plate is arranged on the right side of the electric hydraulic cylinder; the first stepping motor is arranged on the rear side of the top end of the top plate along the up-down direction, the output end of the first stepping motor extends out of the lower surface of the top plate, and the first stepping motor is electrically connected with the controller; the first lead screw is connected to the output end of the first stepping motor along the vertical direction through a screw, and the threads on the upper side and the lower side of the outer wall of the first lead screw are positive and negative threads; the number of the screw nut blocks is two, and the two screw nut blocks are respectively screwed on the upper side and the lower side of the outer wall of the first screw in the left-right direction; the guide rail sets up along upper and lower direction the bottom front side of roof, two from top to bottom the lead screw nut piece all cup joints mutually with the outer wall of guide rail.

Preferably, the cleaning mechanism further comprises: the device comprises a first rotating shaft, a roller brush, a first gear, a servo motor, a second gear, a flat pipe and an air pump; the number of the first rotating shafts is two, the two first rotating shafts are respectively and rotatably connected to the right ends of the front sides of the upper screw nut block and the lower screw nut block through bearings in the front-back direction, the inner ring of each bearing is in interference fit with the outer wall of each first rotating shaft, and the outer ring of each bearing is in interference fit with the outer wall of each screw nut block; the two roller brushes are in interference fit with the outer walls of the upper and lower first rotating shafts respectively in the front-back direction; the number of the first gears is two, and the two first gears are respectively in key connection with the rear sides of the outer walls of the upper first rotating shaft and the lower first rotating shaft; the number of the servo motors is two, the two servo motors are respectively arranged at the left ends of the rear sides of the upper and lower screw nut blocks, the output ends of the servo motors extend out of the front sides of the screw nut blocks, and the servo motors are electrically connected with the controller; the number of the second gears is two, the two second gears are respectively in screwed connection with the output ends of the upper servo motor and the lower servo motor, and the second gears are meshed with the first gears at corresponding positions; the number of the flat pipes is two, the two flat pipes are respectively arranged on the right sides of the upper screw nut block and the lower screw nut block through a support in the front-back direction, and the inner sides of the upper flat pipe and the lower flat pipe are respectively provided with an atomizing nozzle from front to back in a clearance manner; the air pump is installed the top left side of clearance mechanism's casing, the gas outlet spiro union of air pump has the one end of three-way pipe, and the other both ends of three-way pipe extend into the inner chamber of clearance mechanism's casing and respectively with the inner chamber rear side looks spiro union of two flat pipes from top to bottom, air pump and controller electric connection.

Preferably, the moving mechanism includes: the device comprises a moving mechanism shell, a second stepping motor, a second lead screw, a lead screw nut plate, a screen plate, a limiting sliding groove and a limiting sliding block; the moving mechanism shell is arranged on the front side of the bottom end of the inner cavity of the box body in the left-right direction, the left side of the moving mechanism shell penetrates through the bottom end of the inner cavity of the feeding hole, and the moving mechanism shell is U-shaped; the second stepping motor is arranged at the right center of the moving mechanism shell along the left-right direction, the output end of the second stepping motor extends into the inner cavity of the moving mechanism shell, and the second stepping motor is electrically connected with the controller; the second screw rod is connected to the output end of the second stepping motor along the left-right direction through a screw; the screw nut plate is screwed on the right side of the outer wall of the second screw along the front-back direction; the screen plate is arranged at the top end of the screw nut plate; the number of the limiting sliding chutes is two, and the two limiting sliding chutes are respectively arranged on the front side and the rear side of the inner cavity of the moving mechanism shell along the left-right direction; the number of the limiting sliding grooves is two, the two limiting sliding grooves are respectively inserted into the right sides of the inner cavities of the front limiting sliding groove and the rear limiting sliding groove, and the inner sides of the front limiting sliding block and the rear limiting sliding block are respectively connected with the front side and the rear side of the screw nut plate through screws.

Preferably, the rotating mechanism includes: the rotating mechanism comprises a rotating mechanism shell, a mounting groove, a second rotating shaft, a rotating plate and a clamp; the rotating mechanism shell is detachably and fixedly arranged on the upper surface of the screen plate; the mounting groove is formed in the top end of the inner cavity of the rotating mechanism shell, and the upper side and the lower side of the inner cavity of the mounting groove are respectively communicated with the outer wall and the inner cavity of the rotating mechanism shell; the second rotating shaft is rotatably connected to the center of the bottom end of the inner cavity of the rotating mechanism shell through a bearing in the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the second rotating shaft, an outer ring of the bearing is fixedly connected with the inner wall of the rotating mechanism shell, and the top end of the second rotating shaft extends into the inner cavity of the mounting groove; the rotating plate is connected to the top end of the second rotating shaft through a screw; the clamp is mounted on the upper surface of the rotating plate through a bracket.

Compared with the prior art, the beneficial effects of the utility model are that: the semiconductor circuit board cleaning device drives a second lead screw to rotate through a second stepping motor, so that a lead screw nut plate drives a rotating mechanism to move towards the left side or the right side under the action of second lead screw rotating force and under the coordination of a screen plate, high-pressure air flow generated in an air pump is sequentially discharged into an upper flat tube inner cavity and a lower flat tube inner cavity along a three-way guide tube, a high-pressure air wall is formed under the diffusion of atomizing nozzles on the inner sides of the flat tubes to blow off dust on the surface of a semiconductor circuit board, a servo motor respectively drives a second gear on corresponding positions to rotate clockwise, so that a first gear drives a first rotating shaft on the corresponding position to drive a roller brush on the corresponding position to rotate inwards under the action of second gear rotating force, so that the dust on the surface of the semiconductor circuit board is cleaned, and the top plate is intermittently moved towards the left side or the, the top plate drives the roller brushes and the flat tubes to reciprocate left and right on the outer wall of the semiconductor circuit board under the cooperation of the guide rail, so that the cleaning effect is improved, in the process of reciprocating left and right, the semiconductor passes through the grating of the infrared grating to scan the appearance of the circuit board and sends scanned signals to the controller, the preset program in the controller controls the first stepping motor to drive the first lead screw to rotate clockwise or anticlockwise according to the appearance shape of the semiconductor circuit board, the upper lead screw nut block and the lower lead screw nut block are driven to drive the roller brushes and the flat tubes on corresponding positions to be adhered to the outer wall of the semiconductor circuit board under the action of the rotating force of the first lead screw, the second bevel gear is driven to accurately rotate clockwise or anticlockwise through the third stepping motor, the first bevel gear is driven to drive the rotating plate to drive the circuit board to rotate clockwise or anticlockwise through 90 degrees under the cooperation of, therefore, dust attached to the surface of the semiconductor circuit board can be automatically cleaned, manual operation items of workers are reduced, the cleaning device is simple to operate, time and labor are saved, the cleaning effect is improved, and cleaning dead angles are prevented.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an exploded view of the cleaning mechanism of FIG. 1;

FIG. 4 is an exploded view of the moving mechanism of FIG. 1;

fig. 5 is an exploded view of the rotating mechanism of fig. 2.

In the figure: 1. a base, 2, a controller, 3, a dust collecting mechanism, 31, a dust collecting mechanism housing, 32, a drawer, 4, a box body, 5, a cleaning mechanism, 51, a cleaning mechanism housing, 52, an electric hydraulic cylinder, 53, a top plate, 54, a first stepping motor, 55, a first lead screw, 56, a lead screw nut block, 57, a guide rail, 58, a first rotating shaft, 59, a roller brush, 510, a first gear, 511, a servo motor, 512, a second gear, 513, a flat tube, 514, an air pump, 6, a moving mechanism, 61, a moving mechanism housing, 62, a second stepping motor, 63, a second lead screw, 64, a lead screw nut plate, 65, a screen plate, 66, a limit chute, 67, a limit slider, 7, a rotating mechanism, 71, a rotating mechanism housing, 72, a mounting groove, 73, a second rotating shaft, 74, a rotating plate, 75, a clamp, 76, a first conical gear, 77, a second conical gear, 78. a third step motor 8, a feed inlet 9 and an infrared grating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a semiconductor circuit board cleaning apparatus comprising: the device comprises a base 1, a controller 2, a dust collecting mechanism 3, a box body 4, a cleaning mechanism 5, a moving mechanism 6, a rotating mechanism 7, a feeding hole 8 and an infrared grating 9; the controller 2 is installed on the front side of the top end of the base 1 in the left-right direction, the controller 2 is specifically purchased, installed and used from the market according to the actual use requirement, and an operation program is preset in the controller 2 to control the accurate starting work of electric devices in the device; the dust collecting mechanism 3 is arranged at the rear side of the top end of the base 1 along the front-rear direction; the box body 4 is arranged at the top end of the dust collecting mechanism 3 along the vertical direction, and the front side of the box body 4 is provided with an observation window; the cleaning mechanism 5 is arranged at the rear side of the box body 4; the moving mechanism 6 is arranged on the front side of the bottom end of the inner cavity of the box body 4 along the left-right direction; the rotating mechanism 7 is arranged at the top end of the moving mechanism 6; the feed port 8 is arranged at the center of the bottom end of the left side of the inner cavity of the box body 4, the left side and the right side of the inner cavity of the feed port 8 are respectively communicated with the outer wall and the inner cavity of the box body 4, and the left side of the moving mechanism 6 penetrates through the bottom end of the inner cavity of the feed port 8; the quantity of echelette 9 is two, and two echelette 9 are installed at the inner wall of box 4 and are located the front side both sides of feed inlet 8 along upper and lower direction respectively, echelette 9 and controller 2 electric connection, and semiconductor circuit board passes in order to scan the circuit board outward appearance and will scan the signal transmission who arrives in controller 2 in echelette 9's the grating.

Preferably, the cleaning mechanism 5 further includes: a dust collection mechanism housing 31 and a drawer 32; the dust collecting mechanism shell 31 is arranged at the rear side of the top end of the base 1 along the front-back direction, and the top end of the inner cavity of the dust collecting mechanism shell 31 is communicated with the bottom end of the inner cavity of the box body 4; the drawer 32 is inserted into the right side of the inner cavity of the dust collecting mechanism shell 31 along the left-right direction, and the cleaned dust can enter the drawer 32 to be collected in a centralized manner.

Preferably, the cleaning mechanism 5 further includes: a cleaning mechanism shell 51, an electric hydraulic cylinder 52, a top plate 53, a first stepping motor 54, a first lead screw 55, a lead screw nut block 56 and a guide rail 57; the cleaning mechanism shell 51 is arranged at the rear side of the box body 4, the front side of the cleaning mechanism shell 51 extends to the inner cavity of the box body 4, and the front side of the inner cavity of the cleaning mechanism shell 51 is communicated with the inner cavity of the box body 4; the electric hydraulic cylinder 52 is installed at the center of the top end of the left side of the inner cavity of the cleaning mechanism shell 51 in the left-right direction, the electric hydraulic cylinder 52 is electrically connected with the controller 2, the specific use model of the electric hydraulic cylinder 52 is directly purchased, installed and used from the market according to the actual use requirement, and the electric hydraulic cylinder 52 can be controlled by the controller 2 to intermittently extend and shorten to push the top plate 53 to intermittently move to the left side or the right side; the top plate 53 is arranged on the right side of the electric hydraulic cylinder 52, and the top plate 53 can drive the roller brush 59 and the flat tube 513 to reciprocate left and right on the outer wall of the semiconductor circuit board under the matching of the guide rail 57 so as to improve the cleaning effect; the first stepping motor 54 is installed on the rear side of the top end of the top plate 53 in the up-down direction, the output end of the first stepping motor 54 extends out of the lower surface of the top plate 53, the first stepping motor 54 is electrically connected with the controller 2, the specific usage model of the first stepping motor 54 is directly purchased, installed and used from the market according to the actual usage requirement, the first stepping motor 54 can be controlled by the controller 2, and the preset program in the controller 2 controls the first stepping motor 54 to drive the first lead screw 55 to rotate clockwise or anticlockwise according to the appearance shape of the semiconductor circuit board; the first lead screw 55 is screwed to the output end of the first stepping motor 54 along the up-down direction, and the threads on the upper side and the lower side of the outer wall of the first lead screw 55 are positive and negative threads; the number of the lead screw nut blocks 56 is two, the two lead screw nut blocks 56 are respectively screwed on the upper side and the lower side of the outer wall of the first lead screw 55 along the left-right direction, and the lead screw nut blocks 56 move inwards or outwards under the action of the rotating force of the first lead screw 55; guide rail 57 sets up the bottom front side at roof 53 along upper and lower direction, and two upper and lower lead screw nut blocks 56 all cup joint with guide rail 57's outer wall mutually, and lead screw nut block 56 can reciprocate at guide rail 57 outer wall to make guide rail 57 play the limiting displacement to lead screw nut block 56.

Preferably, the cleaning mechanism 5 further includes: a first rotating shaft 58, a roller brush 59, a first gear 510, a servo motor 511, a second gear 512, a flat pipe 513 and an air pump 514; the number of the first rotating shafts 58 is two, the two first rotating shafts 58 are respectively connected to the right ends of the front sides of the upper and lower screw nut blocks 56 in a rotating manner through bearings along the front-back direction, inner rings of the bearings are in interference fit with the outer walls of the first rotating shafts 58, and outer rings of the bearings are in interference fit with the outer walls of the screw nut blocks 56; the number of the roller brushes 59 is two, and the two roller brushes 59 are respectively in interference fit with the outer walls of the upper first rotating shaft 58 and the lower first rotating shaft 58 along the front-back direction; the number of the first gears 510 is two, the two first gears 510 are respectively connected to the rear sides of the outer walls of the upper and lower first rotating shafts 58 in a key mode, the first gears 510 can drive the first rotating shafts 58 at the corresponding positions to rotate anticlockwise under the action of the rotating force of the second gears 512, and then the upper and lower first rotating shafts 58 drive the roller brushes 59 at the corresponding positions to rotate inwards so as to clean dust on the surface of the semiconductor circuit board; the number of the servo motors 511 is two, the two servo motors 511 are respectively installed at the left ends of the rear sides of the upper and lower screw nut blocks 56, the output ends of the servo motors 511 extend out of the front sides of the screw nut blocks 56, the servo motors 511 are electrically connected with the controller 2, the specific use models of the servo motors 511 are directly purchased and installed from the market and used according to actual use requirements, and the servo motors 511 can be controlled by the controller 2 to drive the second gears 512 at corresponding positions to rotate clockwise; the number of the second gears 512 is two, the two second gears 512 are respectively screwed at the output ends of the upper and lower servo motors 511, and the second gears 512 are engaged with the first gears 510 at the corresponding positions; the number of the flat pipes 513 is two, the two flat pipes 513 are respectively installed on the right sides of the upper screw nut block 56 and the lower screw nut block 56 through supports in the front-back direction, atomizing nozzles are installed on the inner sides of the upper flat pipe 513 and the lower flat pipe 513 from front to back in a clearance mode, and the atomizing nozzles on the inner sides of the flat pipes 513 can diffuse air flow in the flat pipes and form high-pressure air walls to blow off dust on the surfaces of the semiconductor circuit boards; air pump 514 is installed on the top left side of cleaning mechanism casing 51, the gas outlet spiro union of air pump 514 has three-way pipe's one end, and three-way pipe's other both ends extend into cleaning mechanism casing 51's inner chamber and respectively with the inner chamber rear side looks spiro union of two upper and lower flat pipes 513,

air pump

514 and 2 electric connection of controller, air pump 514 specifically uses the model and directly purchases the installation and use from the market according to the in-service use requirement, air pump 514 can be controlled inside by controller 2 and produce the high-pressure draught and arrange into two upper and lower flat pipe 513 inner chambers in proper order along three-way pipe.

Preferably, the moving mechanism 6 further includes: the device comprises a moving mechanism shell 61, a second stepping motor 62, a second lead screw 63, a lead screw nut plate 64, a screen plate 65, a limiting sliding groove 66 and a limiting sliding block 67; the moving mechanism shell 61 is arranged on the front side of the bottom end of the inner cavity of the box body 4 along the left-right direction, the left side of the moving mechanism shell 61 penetrates through the bottom end of the inner cavity of the feed port 8, and the moving mechanism shell 61 is U-shaped; the second stepping motor 62 is installed at the right center position of the moving mechanism shell 61 along the left-right direction, the output end of the second stepping motor 62 extends into the inner cavity of the moving mechanism shell 61, the second stepping motor 62 is electrically connected with the controller 2, the specific usage model of the second stepping motor 62 is directly purchased, installed and used from the market according to the actual usage requirement, and the second stepping motor 62 can be controlled by the controller 2 to drive the second lead screw 63 to rotate anticlockwise or clockwise; the second lead screw 63 is screwed to the output end of the second stepping motor 62 in the left-right direction; the screw nut plate 64 is screwed on the right side of the outer wall of the second screw 63 in the front-back direction, and the screw nut plate 64 is moved towards the left spark and the right spark under the action of the rotating force of the second screw 63; the screen plate 65 is arranged at the top end of the screw nut plate 64, and dust can pass through the meshes in the screen plate 65 and fall to the lower part; the number of the limiting sliding grooves 66 is two, and the two limiting sliding grooves 66 are respectively arranged on the front side and the rear side of the inner cavity of the moving mechanism shell 61 along the left-right direction; the number of the limiting sliding grooves 66 is two, the two limiting sliding grooves 66 are respectively inserted into the right sides of the inner cavities of the front limiting sliding groove 66 and the rear limiting sliding groove 66, the inner sides of the front limiting sliding block 67 and the rear limiting sliding block 67 are respectively connected with screws on the front side and the rear side of the screw nut plate 64, and the limiting sliding blocks 67 can slide left and right in the inner cavities of the limiting sliding grooves 66 to limit the screw nut plate 64.

Preferably, the rotating mechanism 7 further includes: a rotating mechanism housing 71, a mounting groove 72, a second rotating shaft 73, a rotating plate 74 and a clamp 75; the rotating mechanism shell 71 is detachably and fixedly arranged on the upper surface of the screen plate 65; the mounting groove 72 is formed in the top end of the inner cavity of the rotating mechanism shell 71, and the upper side and the lower side of the inner cavity of the mounting groove 72 are respectively communicated with the outer wall and the inner cavity of the rotating mechanism shell 71; the second rotating shaft 73 is rotatably connected to the center of the bottom end of the inner cavity of the rotating mechanism shell 71 through a bearing in the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the second rotating shaft 73, an outer ring of the bearing is fixedly connected with the inner wall of the rotating mechanism shell 71, and the top end of the second rotating shaft 73 extends into the inner cavity of the mounting groove 72; the rotating plate 74 is screwed on the top end of the second rotating shaft 73; a jig 75 is mounted on the upper surface of the rotating plate 74 by a bracket, and a rubber gasket is provided inside the jig 75 to prevent damage to the semiconductor circuit board while it is fixed.

Preferably, the rotating mechanism 7 further includes: a first bevel gear 76, a third stepping motor 78, and a second bevel gear 77; the first bevel gear 76 is keyed on the middle of the outer wall of the second rotating shaft 73; the third stepping motor 78 is arranged on the left side of the inner cavity of the rotating mechanism shell 71 along the left-right direction, the third stepping motor 78 is electrically connected with the controller 2, the specific usage model of the third stepping motor 78 is directly purchased, installed and used from the market according to the actual usage requirement, and the controller 2 can control the third stepping motor 78 to drive the second bevel gear 77 to accurately rotate clockwise or anticlockwise; the second bevel gear 77 is screwed to the output end of the third stepping motor 78, the second bevel gear 77 is engaged with the first bevel gear 76, and the first bevel gear 76 can drive the rotating plate 74 to rotate counterclockwise or clockwise under the rotating force of the second bevel gear 77.

All the electrical components in the present application can be connected with an external adaptive power supply through a wire, and an adaptive external controller should be selected to connect according to specific actual use conditions to meet the control requirements of all the electrical components, and the specific connection mode and the control sequence thereof should be referred to in the following working principle that the electrical components are electrically connected in sequence, the detailed connection means thereof is a known technology in the art and is not described, and the following main description of the working principle and the process specifically works as follows.

When the device is used, a worker controls the controller 2 to sequentially start the second stepping motor 62 and the infrared grating 9, the infrared grating 9 generates the infrared grating on the inner side of the feed port 8, the second stepping motor 62 drives the second lead screw 63 to rotate anticlockwise, the lead screw nut plate 64 is meshed with the second lead screw 63 to enable the lead screw nut plate 64 to move towards the left side under the action of the rotating force of the second lead screw 63, the lead screw nut plate 64 drives the rotating mechanism 7 to move towards the left side under the limiting action of the front limiting slide block 67 and the rear limiting slide block 65 and penetrates through the inner cavity of the feed port 8 to move to the outer side of the box body 4, the worker fixes the semiconductor circuit board in the clamp 75, the controller 2 drives the second lead screw 63 to rotate clockwise again to enable the semiconductor circuit board to penetrate through the feed port 8 to move to the designated position of the inner cavity of the box body 4 under the coordination of, and the semiconductor circuit board passes through the grating of the infrared grating 9 to scan the appearance of the circuit board and send the scanned signal to the controller 2, the controller 2 is internally preset with a program to sequentially control the air pump 514, the servo motor 511, the electric hydraulic cylinder 52 and the first stepping motor 54 to be started, high-pressure air flow generated in the air pump 514 is sequentially discharged into the inner cavities of the upper flat tube 513 and the lower flat tube 513 along the three-way conduit, and forms a high-pressure air wall under the diffusion of the atomizing nozzles at the inner sides of the flat tubes 513 to blow off dust on the surface of the semiconductor circuit board, the upper servo motor 511 and the lower servo motor 511 respectively drive the second gear 512 at corresponding positions to rotate clockwise, due to the mutual engagement between the second gear 512 and the first gear 510, the first gear 510 is driven to drive the first rotating shaft 58 at corresponding positions to rotate counterclockwise under the rotating force of the second gear 512, and further the upper first rotating shaft 58 and the, the electric hydraulic cylinder 52 intermittently extends and shortens to push the top plate 53 to intermittently move to the left side or the right side in the cleaning process, so that the top plate 53 drives the roller brush 59 and the flat tube 513 to reciprocate left and right on the outer wall of the semiconductor circuit board under the matching of the guide rail 57 to improve the cleaning effect, and the preset program in the controller 2 controls the first stepping motor 54 to drive the first lead screw 55 to rotate clockwise or anticlockwise according to the appearance shape of the semiconductor circuit board in the reciprocating process, so that the upper lead screw nut block 56 and the lower lead screw nut block 56 both move inwards or outwards under the rotating force of the first lead screw 55, further under the limiting action of the guide rail 57, the upper lead screw nut block 56 and the lower lead screw nut block 56 drive the roller brush 59 and the flat tube 513 on the corresponding positions to be kept attached to the outer wall of the semiconductor circuit board, and the operator controls the controller 2 to start the third stepping motor, the third step motor 78 drives the second bevel gear 77 to rotate clockwise or counterclockwise precisely, because the first bevel gear 76 is engaged with the second bevel gear 77, the first bevel gear 76 drives the rotating plate 74 to rotate counterclockwise or clockwise under the action of the rotating force of the second bevel gear 77, and the second rotating shaft 73 drives the circuit board to rotate clockwise or counterclockwise by 90 degrees under the cooperation of the rotating plate 74 and the clamp 75, so that the cleaning effect is improved, the cleaned dust enters the drawer 32 to be collected in a centralized manner, thereby realizing the automatic cleaning of the dust attached to the surface of the semiconductor circuit board, reducing the manual operation items of workers, being simple in operation, saving time and labor, improving the cleaning effect and preventing the cleaning dead angle.

In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "one end", "front side", "rear side", "other end", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "mounted," "screwed," "plugged," "interference fit," "disposed," and the like are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A semiconductor circuit board cleaning apparatus, comprising:

a base (1);

a controller (2) installed on the front side of the top end of the base (1) in the left-right direction;

a dust collecting mechanism (3) mounted on the rear side of the top end of the base (1) in the front-rear direction;

a box body (4) which is arranged at the top end of the dust collecting mechanism (3) along the vertical direction;

a cleaning mechanism (5) arranged at the rear side of the box body (4);

the moving mechanism (6) is arranged on the front side of the bottom end of the inner cavity of the box body (4) along the left-right direction;

the rotating mechanism (7) is arranged at the top end of the moving mechanism (6);

the feeding hole (8) is formed in the center of the bottom end of the left side of the inner cavity of the box body (4), the left side and the right side of the inner cavity of the feeding hole (8) are communicated with the outer wall and the inner cavity of the box body (4) respectively, and the left side of the moving mechanism (6) penetrates through the bottom end of the inner cavity of the feeding hole (8);

the number of the infrared gratings (9) is two, two the infrared gratings (9) are respectively installed along the upper and lower direction the inner wall of the box body (4) is located on the two sides of the front side of the feeding hole (8), and the infrared gratings (9) are electrically connected with the controller (2).

2. A semiconductor circuit board cleaning apparatus according to claim 1, wherein: the cleaning mechanism (5) comprises:

the dust collecting mechanism shell (31) is installed on the rear side of the top end of the base (1) along the front-back direction, and the top end of an inner cavity of the dust collecting mechanism shell (31) is communicated with the bottom end of an inner cavity of the box body (4);

and the drawer (32) is inserted into the right side of the inner cavity of the dust collecting mechanism shell (31) along the left-right direction.

3. A semiconductor circuit board cleaning apparatus according to claim 1, wherein: the cleaning mechanism (5) comprises:

the cleaning mechanism shell (51) is arranged on the rear side of the box body (4), the front side of the cleaning mechanism shell (51) extends to the inner cavity of the box body (4), and the front side of the inner cavity of the cleaning mechanism shell (51) is communicated with the inner cavity of the box body (4);

the electric hydraulic cylinder (52) is arranged at the center of the top end of the left side of the inner cavity of the cleaning mechanism shell (51) in the left-right direction, and the electric hydraulic cylinder (52) is electrically connected with the controller (2);

a top plate (53) attached to the right side of the electric cylinder (52);

the first stepping motor (54) is installed on the rear side of the top end of the top plate (53) in the vertical direction, the output end of the first stepping motor (54) extends out of the lower surface of the top plate (53), and the first stepping motor (54) is electrically connected with the controller (2);

the first lead screw (55) is in screwed connection with the output end of the first stepping motor (54) along the vertical direction, and threads on the upper side and the lower side of the outer wall of the first lead screw (55) are positive and negative threads;

the number of the lead screw nut blocks (56) is two, and the two lead screw nut blocks (56) are respectively screwed on the upper side and the lower side of the outer wall of the first lead screw (55) along the left-right direction;

and the guide rail (57) is arranged on the front side of the bottom end of the top plate (53) in the up-down direction, and the upper screw nut block and the lower screw nut block (56) are sleeved with the outer wall of the guide rail (57).

4. A semiconductor circuit board cleaning apparatus according to claim 3, characterized in that: the cleaning mechanism (5) further comprises:

the number of the first rotating shafts (58) is two, the two first rotating shafts (58) are respectively connected to the right ends of the front sides of the upper screw nut block and the lower screw nut block (56) in a rotating mode through bearings along the front-back direction, the inner ring of each bearing is in interference fit with the outer wall of each first rotating shaft (58), and the outer ring of each bearing is in interference fit with the outer wall of each screw nut block (56);

the number of the roller brushes (59) is two, and the two roller brushes (59) are respectively in interference fit with the outer walls of the upper first rotating shaft (58) and the lower first rotating shaft (58) along the front-back direction;

the number of the first gears (510) is two, and the two first gears (510) are respectively connected with the rear sides of the outer walls of the upper first rotating shaft (58) and the lower first rotating shaft (58) in a key mode;

the number of the servo motors (511) is two, the two servo motors (511) are respectively installed at the left ends of the rear sides of the upper screw nut block and the lower screw nut block (56), the output ends of the servo motors (511) extend out of the front sides of the screw nut blocks (56), and the servo motors (511) are electrically connected with the controller (2);

the number of the second gears (512) is two, the two second gears (512) are respectively in screwed connection with the output ends of the upper servo motor (511) and the lower servo motor (511), and the second gears (512) are meshed with the first gears (510) at corresponding positions;

the number of the flat pipes (513) is two, the two flat pipes (513) are respectively arranged on the right sides of the upper screw nut block and the lower screw nut block (56) through supports in the front-back direction, and the inner sides of the upper flat pipe (513) and the lower flat pipe (513) are respectively provided with atomizing nozzles in a clearance from front to back;

air pump (514) installs the top left side of clearance mechanism casing (51), the gas outlet spiro union of air pump (514) has three-way pipe's one end, and three-way pipe's other both ends extend into the inner chamber of clearance mechanism casing (51) and respectively with the inner chamber rear side looks spiro union of two upper and lower flat pipes (513), air pump (514) and controller (2) electric connection.

5. A semiconductor circuit board cleaning apparatus according to claim 1, wherein: the moving mechanism (6) includes:

the moving mechanism shell (61) is arranged on the front side of the bottom end of the inner cavity of the box body (4) in the left-right direction, the left side of the moving mechanism shell (61) penetrates through the bottom end of the inner cavity of the feeding hole (8), and the moving mechanism shell (61) is U-shaped;

the second stepping motor (62) is installed at the right center position of the moving mechanism shell (61) along the left-right direction, the output end of the second stepping motor (62) extends into the inner cavity of the moving mechanism shell (61), and the second stepping motor (62) is electrically connected with the controller (2);

a second screw (63) screwed to the output end of the second stepping motor (62) in the left-right direction; a screw nut plate (64) screwed to the right side of the outer wall of the second screw (63) in the front-rear direction;

the screen plate (65) is arranged at the top end of the screw nut plate (64);

the number of the limiting sliding grooves (66) is two, and the two limiting sliding grooves (66) are respectively arranged on the front side and the rear side of the inner cavity of the moving mechanism shell (61) along the left-right direction;

the number of the limiting sliding grooves (66) is two, the two limiting sliding grooves (66) are respectively inserted into the right sides of the inner cavities of the front limiting sliding groove and the rear limiting sliding groove (66), and the inner sides of the front limiting sliding groove and the rear limiting sliding groove (67) are respectively in screw connection with the front side and the rear side of the screw rod nut plate (64).

6. A semiconductor circuit board cleaning apparatus according to claim 5, wherein: the rotating mechanism (7) includes:

the rotating mechanism shell (71) is detachably and fixedly arranged on the upper surface of the screen plate (65);

the mounting groove (72) is formed in the top end of the inner cavity of the rotating mechanism shell (71), and the upper side and the lower side of the inner cavity of the mounting groove (72) are respectively communicated with the outer wall and the inner cavity of the rotating mechanism shell (71);

the second rotating shaft (73) is rotatably connected to the center of the bottom end of the inner cavity of the rotating mechanism shell (71) through a bearing in the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the second rotating shaft (73), an outer ring of the bearing is fixedly connected with the inner wall of the rotating mechanism shell (71), and the top end of the second rotating shaft (73) extends into the inner cavity of the mounting groove (72);

a rotating plate (74) which is connected to the top end of the second rotating shaft (73) through a screw;

and a clamp (75) mounted on the upper surface of the rotating plate (74) through a bracket.

7. A semiconductor circuit board cleaning apparatus according to claim 6, wherein: the rotating mechanism (7) further comprises:

a first conical gear (76) which is connected with the middle part of the outer wall of the second rotating shaft (73) in a key mode;

the third stepping motor (78) is arranged on the left side of the inner cavity of the rotating mechanism shell (71) along the left-right direction, and the third stepping motor (78) is electrically connected with the controller (2);

and a second bevel gear (77) which is connected with the output end of the third stepping motor (78) through screws, wherein the second bevel gear (77) is meshed with the first bevel gear (76).