CN111957590A - Printed circuit board screening machine - Google Patents

Printed circuit board screening machine Download PDF

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Publication number
CN111957590A
CN111957590A CN202010830300.8A CN202010830300A CN111957590A CN 111957590 A CN111957590 A CN 111957590A CN 202010830300 A CN202010830300 A CN 202010830300A CN 111957590 A CN111957590 A CN 111957590A
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CN
China
Prior art keywords
fixed
base plate
transverse moving
plate
substrate
Prior art date
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Granted
Application number
CN202010830300.8A
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Chinese (zh)
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CN111957590B (en
Inventor
刘跃
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Huizhou Tonxin Automation Industrial Equipment Co ltd
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Huizhou Tonxin Automation Industrial Equipment Co ltd
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Priority to CN202010830300.8A priority Critical patent/CN111957590B/en
Publication of CN111957590A publication Critical patent/CN111957590A/en
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Publication of CN111957590B publication Critical patent/CN111957590B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/04—Sorting according to size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/38—Collecting or arranging articles in groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44—Belt or chain tensioning arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Framework For Endless Conveyors (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention discloses a printed circuit board screening machine, which comprises a machine main body, wherein a rectangular cavity is formed in the center of the top of the machine main body; the main machine base is fixedly connected to the front side of the top of the main machine body and is positioned on the front end side of the rectangular cavity; the auxiliary engine base is fixedly connected to the rear side of the top of the engine main body and is positioned on the rear end side of the rectangular cavity; a lifting assembly; the transverse moving assembly is composed of a fixed base plate fixedly connected with the inner side wall of the main machine base, two fixed shafts which are fixed between the inner side wall of the fixed base plate and the upper part of the inner side wall of the auxiliary machine base and symmetrically distributed in parallel, two second screw rods which are rotatably connected between the inner side wall of the fixed base plate and the lower part of the inner side wall of the auxiliary machine base and are parallelly aligned with the fixed shafts, and a transverse moving base plate which is slidably nested on the fixed shafts and the second screw rods and symmetrically arranged in parallel with. Can select the printed wiring board of the compound standard of thickness automatically, need not measure the judgement through the manpower, can promote the screening efficiency according to the printed wiring board of thickness standard screening.

Description

Printed circuit board screening machine
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to a printed circuit board screening machine.
Background
The printed circuit board needs to monitor multiple processes after the SMT printing process is completed, for example, appearance detection, pin closing effect, part welding effect, conduction test and the like of the printed circuit board are performed, the appearance detection of the printed circuit board usually includes multiple manual processes to detect various appearance indexes, the thickness detection of the printed circuit board is performed through a thickness detector, when the PCB is not pressed in place or elements are welded, the composite PCB is layered, the thickness of the PCB is increased, the PCB with the increased thickness is a bad board, and repair needs to be removed.
Disclosure of Invention
The invention aims to provide a printed circuit board screening machine to solve the problems in the background technology.
The technical scheme adopted by the invention to achieve the purpose is as follows:
a screening machine for printed circuit boards comprises
The machine body is provided with a rectangular cavity in the center of the top;
the main machine seat is fixedly connected to the front side of the top of the main machine body and is positioned on the front end side of the rectangular cavity, a belt transmission motor is embedded into one end of the main machine seat, and the output end of the belt transmission motor extends out of the inner side wall of the main machine seat;
the auxiliary base is fixedly connected to the rear side of the top of the main body and is positioned on the rear end side of the rectangular cavity, a belt transmission motor is embedded into one end of the auxiliary base, and the output end of the belt transmission motor extends and is embedded outside the inner side wall of the auxiliary base;
the lifting assembly is embedded in the machine body and the main machine base and comprises a lifting bottom plate, a fixed top plate parallel to the lifting bottom plate, two fixed columns fixedly connected to the two end sides between the lifting bottom plate and the fixed top plate, a first screw rod rotatably connected between the lifting bottom plate and the fixed top plate and positioned in the center between the two fixed columns, a connecting base plate movably connected to the first screw rod and the fixed columns, a lifting plate fixedly connected to the rear side of the connecting base plate and horizontally arranged, a transverse moving guide rail arranged at the top of the lifting plate, two transverse moving slide blocks which are in contraposition matching with the transverse moving guide rail and are slidably connected to the transverse moving guide rail, and two vertical clamping plates which are oppositely arranged in parallel and vertically fixed on the transverse moving slide blocks, wherein a first reverser which is in contraposition matching with the first screw rod is arranged in the middle of the connecting base plate, and the connecting, the lifting device comprises a lifting plate, a lifting column and a rectangular frame plate, wherein a vertical guide rail is arranged on the inner side wall of the vertical clamping plate, the vertical guide rail is connected with a matched vertical sliding block in a sliding manner, the vertical sliding block is fixedly connected with the lifting clamping plate, the lifting clamping plate consists of a connecting frame plate fixedly connected to the top end of the vertical clamping plate, three lifting columns which are distributed at equal intervals and vertically and fixedly connected to the tops of the connecting frame plate and the rectangular frame plate fixedly connected to the tops of the lifting columns, the front end of the connecting frame plate protrudes towards the central shaft surface of the lifting plate, the lifting columns are arranged above the inner side of the vertical clamping plate, a plurality of lifting baffles which are horizontally and transversely arranged are arranged at;
the transverse moving assembly comprises a fixed base plate fixedly connected with the inner side wall of the main machine base, two fixed shafts which are fixed between the inner side wall of the fixed base plate and the inner side wall of the auxiliary machine base and symmetrically distributed in parallel, two second lead screws which are rotatably connected between the inner side wall of the fixed base plate and the inner side wall of the auxiliary machine base and are in parallel alignment with the fixed shafts, and transverse moving base plates which are slidably nested on the fixed shafts and the second lead screws and symmetrically arranged in parallel with the fixed base plates, wherein two end sides of the lower part of each transverse moving base plate are provided with second reversers which are in opposite alignment with the second lead screws, the transverse moving base plate is connected with the second lead screws through the second reversers, three passing cavities which are embedded in opposite alignment with the jacking columns are arranged at the centers of the upper parts of the fixed base plate and the transverse moving base plate, the inner, And the inner side walls of the fixed base plate and the transverse moving base plate are respectively fixed with a supporting baffle below the first roller baffle and the second roller baffle, a plurality of transmission rollers are arranged on the inner side walls of the fixed base plate and the transverse moving base plate, all the transmission rollers on the fixed base plate and the output end of the belt transmission motor on the fixed base plate are in transmission connection with the same conveying belt, and all the transmission rollers on the transverse moving base plate and the output end of the belt transmission motor on the transverse moving base plate are in transmission connection with the same conveying belt.
Further, the fixed substrate and the traverse substrate have the same shape and size.
Further, the jacking baffle plates on the jacking columns at two end sides of the lifting plate are oppositely arranged.
It is further described that the inner side walls of the fixed base plate and the transverse base plate are respectively and rotatably connected with a transmission roller wheel at the two end sides of the supporting baffle plate, the top ends of the inner side walls of the fixed base plate and the transverse base plate are respectively provided with a limit roller baffle plate between every two passing cavities, the inner side walls of the fixed base plate and the transverse base plate are respectively and rotatably connected with a transmission roller wheel at the two end sides below the limit roller baffle plate, the inner side walls of the fixed base plate and the transverse base plate are respectively and rotatably connected with a transmission roller wheel below the passing cavities and below the middle part of the supporting baffle plate, the two sides of the lower end of the inner side walls of the fixed base plate and the transverse base plate are respectively and rotatably connected with a transmission roller wheel, the output end of the belt transmission motor on the main machine seat extends out of the inner side wall of the, the inner side wall of the fixed substrate is also provided with a transmission roller above the outer side end of the belt transmission motor, and the inner side wall of the transverse moving substrate is also provided with a transmission roller above the outer side end of the belt transmission motor.
It is further explained that the conveying belt ring on the fixed base plate is sleeved at the outer end sides of the two driving rollers below the supporting baffle plate, the conveying belt ring on the fixed base plate is sleeved at the outer end sides of the driving rollers below the through cavity, the conveying belt ring on the fixed base plate is sleeved at the outer end sides of the two driving rollers below the limiting roller baffle plate, the conveying belt ring on the fixed base plate is sleeved at the outer end sides of the driving rollers at the two ends of the lower part of the fixed base plate, the conveying belt ring on the fixed base plate is sleeved at the outer end sides of the driving rollers at the outer end sides of the belt conveying motor, and the conveying belt ring on the fixed base plate is sleeved at the inner end side of.
The conveying belt on the transverse moving substrate is sleeved on the outer end sides of the two transmission rollers below the supporting baffle, the conveying belt on the transverse moving substrate is sleeved on the outer end sides of the transmission rollers below the passing cavity, the conveying belt on the transverse moving substrate is sleeved on the outer end sides of the two transmission rollers below the limiting roller baffle, the conveying belt on the transverse moving substrate is sleeved on the outer end sides of the transmission rollers at the two ends of the lower part of the transverse moving substrate, the conveying belt on the transverse moving substrate is sleeved on the outer end sides of the transmission rollers at the outer end sides of the belt transmission motor, and the conveying belt on the transverse moving substrate is sleeved on the inner end side of the transmission rollers below the middle part of the supporting baffle.
The output motor is vertically and upwards arranged and fixedly connected to one end side of the fixed top plate, the top wall of the fixed top plate extends out of the top end of the first screw rod and is fixedly connected with the driving wheel, and an output shaft of the output motor is in transmission connection with the driving wheel.
It is further explained that the length of the outer end of the conveying belt extending out of the lifting clamp plate on one side of the fixed base plate is half of the length of the lifting baffle plate in the lifting baffle plate.
Further, one end of the second screw rod of the traversing component, which is led out of the auxiliary base, is rotatably connected with a driving motor.
Further, a control module is embedded in the front side of the top of the main machine base.
Compared with the prior art, the invention has the beneficial effects that:
can select the printed circuit board of the compound standard of thickness automatically, need not measure the judgement through the manpower, personnel only need get put the printed circuit board can, can promote the screening efficiency according to the thickness standard screening printed circuit board.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the lift and traverse assemblies of the present invention;
FIG. 3 is a schematic view of the lift and traverse assemblies of the present invention;
wherein: 1. a machine main body; 2. a main machine base; 3. an auxiliary machine base; 4. a lifting assembly; 401. lifting the bottom plate; 402. fixing a top plate; 403. fixing a column; 404. a first lead screw; 405. connecting the substrates; 406. a lifting plate; 407. transversely moving the guide rail; 408. transversely moving the sliding block; 409. a vertical splint; 410. a first inverter; 411. a vertical guide rail; 412. a vertical slide block; 413. lifting the clamping plate; 414. connecting the frame plates; 415. jacking the column; 416. a rectangular frame plate; 417. jacking a baffle plate; 418. an output motor; 419. a driving wheel; 5. a traversing assembly; 501. fixing the substrate; 502. a fixed shaft; 503. a second lead screw; 504. transversely moving the substrate; 505. a second inverter; 506. a through cavity; 507. a first roller baffle; 508. a second roller baffle; 509. a support baffle; 510. a driving roller; 511. a limiting roller baffle; 512. a conveyor belt; 6. a rectangular cavity; 7. a belt drive motor; 8. and a control module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides the following technical solutions:
a screening machine for printed circuit boards comprises a machine body 1, a main machine base 2, an auxiliary machine base 3, a lifting assembly 4 and a transverse moving assembly 5. A rectangular cavity 6 is formed in the center of the top of the machine body 1; the main machine base 2 is fixedly connected to the front side of the top of the main machine body 1 and located on the front end side of the rectangular cavity 6, a belt transmission motor 7 is embedded into one end of the main machine base, and the output end of the belt transmission motor 7 extends to be embedded outside the inner side wall of the main machine base 2; the auxiliary engine base 3 is fixedly connected to the rear side of the top of the engine body 1 and located on the rear end side of the rectangular cavity 6, a belt transmission motor 7 is embedded into one end of the auxiliary engine base, and the output end of the belt transmission motor 7 extends and is embedded into the inner side wall of the auxiliary engine base 3.
The lifting assembly 4 is embedded in the main body 1 and the main machine base 2, and comprises a lifting bottom plate 401, a fixed top plate 402 parallel to the lifting bottom plate 401, two fixed columns 403 fixedly connected at two end sides between the lifting bottom plate 401 and the fixed top plate 402, a first screw rod 404 rotatably connected between the lifting bottom plate 401 and the fixed top plate 402 and positioned at the center between the two fixed columns 403, a connecting base plate 405 movably connected on the first screw rod 404 and the fixed columns 403, a lifting plate 406 fixedly connected at the rear side of the connecting base plate 405 and horizontally arranged, a traverse guide rail 407 arranged at the top of the lifting plate 406, two traverse sliders 408 which are opposite to the traverse guide rail 407 and are slidably connected on the traverse guide rail 407, two vertical clamping plates 409 which are opposite to each other and parallel and are vertically fixed on the traverse sliders 408, a first reverser 410 which is opposite to the first screw rod 404 is arranged at the middle part of the connecting base plate 405, connecting substrate 405 is connected with first lead screw 404 through first reverser 410, be provided with vertical guide rail 411 on the inside wall of vertical splint 409, sliding connection has assorted vertical slider 412 on vertical guide rail 411, fixedly connected with promotes splint 413 on vertical slider 412, promote splint 413 by fixed connection at the connection framed bent 414 on vertical splint 409 top, three equidistant distribution and perpendicular fixed connection are at the jacking post 415 of connecting framed bent 414 top, fixed connection is in the rectangle framed bent 416 at jacking post 415 top and constitutes, the front end of connecting framed bent 414 is protruding to the central axis face of lifting plate 406, jacking post 415 is in the inboard top of vertical splint 409, jacking baffle 417 that a plurality of level transversely set up on the jacking post 415 equidistance respectively, lifting plate 406 sets up in rectangular cavity 6.
The traverse moving assembly 5 comprises a fixed base plate 501 fixedly connected with the inner side wall of the main machine seat 2, two fixed shafts 502 which are symmetrically and parallelly distributed and fixed between the inner side wall of the fixed base plate 501 and the upper part of the inner side wall of the auxiliary machine seat 3, two second screw rods 503 which are rotatably connected between the inner side wall of the fixed base plate 501 and the lower part of the inner side wall of the auxiliary machine seat 3 and are parallelly aligned with the fixed shafts 502, and traverse moving base plates 504 which are slidably nested on the fixed shafts 502 and the second screw rods 503 and are symmetrically arranged in parallel with the fixed base plate 501, wherein two ends of the lower part of the traverse moving base plate 504 are provided with second reversers 505 which are oppositely aligned with the second screw rods 503, the traverse moving base plate 504 is connected with the second screw rods 503 through the second reversers 505, three passing cavities 506 which are oppositely embedded with the lifting columns 415 are formed in the centers of the upper parts of the fixed base plate 501 and the traverse moving base plate 504, The inner side walls of the fixed substrate 501 and the traverse substrate 504 are respectively fixed with a supporting baffle 509 below the first roller baffle 507 and the second roller baffle 508, the inner side walls of the fixed substrate 501 and the traverse substrate 504 are provided with a plurality of transmission rollers 510, all the transmission rollers 510 on the fixed substrate 501 and the output end of the belt transmission motor 7 on the fixed substrate 501 are in transmission connection with the same conveying belt 512, and all the transmission rollers 510 on the traverse substrate 504 and the output end of the belt transmission motor 7 on the traverse substrate 504 are in transmission connection with the same conveying belt 512; the inner side walls of the fixed base plate 501 and the traverse base plate 504 are respectively and rotatably connected with a transmission roller 510 at two end sides of a supporting baffle 509, the top ends of the inner side walls of the fixed base plate 501 and the traverse base plate 504 are respectively provided with a limit roller baffle 511 between every two through cavities 506, the inner side walls of the fixed base plate 501 and the traverse base plate 504 are respectively and rotatably connected with a transmission roller 510 at two end sides below the limit roller baffle 511, the inner side walls of the fixed base plate 501 and the traverse base plate 504 are respectively and rotatably connected with a transmission roller 510 below the through cavities 506 and below the middle part of the supporting baffle 509, two sides of the lower end of the inner side walls of the fixed base plate 501 and the traverse base plate 504 are respectively and rotatably connected with a transmission roller 510, the output end of a belt transmission motor 7 on the main base 2 extends outside the inner side wall of the fixed base plate 501, the output end of a, a driving roller 510 is further disposed on the inner side wall of the fixed substrate 501 above the outer end of the belt driving motor 7, and a driving roller 510 is further disposed on the inner side wall of the traverse substrate 504 above the outer end of the belt driving motor 7.
In addition, the fixed substrate 501 and the traverse substrate 504 have the same shape and size; the lifting stops 417 of the lifting columns 415 on both end sides of the lifting plate 406 are oppositely arranged so that the lifting stops 417 between the two lifting columns 415 which are not in the same horizontal plane can prevent a printed circuit board.
The conveying belt 512 on the fixed substrate 501 is sleeved on the outer end sides of two driving rollers 510 below the supporting baffle 509, the conveying belt 512 on the fixed substrate 501 is sleeved on the outer end sides of the driving rollers 510 below the passing cavity 506, the conveying belt 512 on the fixed substrate 501 is sleeved on the outer end sides of the two driving rollers 510 below the limiting roller baffle 511, the conveying belt 512 on the fixed substrate 501 is sleeved on the outer end sides of the driving rollers 510 at the two ends of the lower part of the fixed substrate 501, the conveying belt 512 on the fixed substrate 501 is sleeved on the outer end side of the driving rollers 510 at the outer end side of the belt conveying motor, and the conveying belt 512 on the fixed substrate 501 is sleeved on the inner end side of the driving rollers 510 below the middle part of the supporting baffle 509, so that the conveying belt 512 on the fixed substrate 501 can be kept tensioned.
The conveying belt 512 on the traverse substrate 504 is sleeved on the outer end sides of two driving rollers 510 below the supporting baffle 509, the conveying belt 512 on the traverse substrate 504 is sleeved on the outer end sides of the driving rollers 510 below the passing cavity 506, the conveying belt 512 on the traverse substrate 504 is sleeved on the outer end sides of the two driving rollers 510 below the limit roller baffle 511, the conveying belt 512 on the traverse substrate 504 is sleeved on the outer end sides of the driving rollers 510 at the two ends of the lower part of the traverse substrate 504, the conveying belt 512 on the traverse substrate 504 is sleeved on the outer end side of the driving roller 510 at the outer end side of the belt transmission motor, and the conveying belt 512 on the traverse substrate 504 is sleeved on the inner end side of the driving roller 510 below the middle part of the supporting baffle 509, so that the conveying belt 512 on the traverse substrate 504 can be kept tensioned.
The distance between the bottom surfaces of the first roller baffle 507 and the second roller baffle 508 and the top surface of the conveying belt 512 is matched with the thickness of a printed circuit board during application, and the distance between the bottom surface of the limiting roller baffle 511 and the top surface of the conveying belt 512 is matched with the thickness of the printed circuit board during application, so that the printed circuit board can pass through the joint of the conveying belt 512; the lifting clamp 413 on one side of the fixed base plate 501 is arranged in the lifting baffle 417, and the length of the lifting clamp 413 extending out of the outer end of the conveying belt 512 is half of the length of the lifting baffle 417.
One end side of the fixed top plate 402 is fixedly connected with an output motor 418 which is vertically and upwardly arranged, the top end of the first screw rod 404 extends out of the top wall of the fixed top plate 402 and is fixedly connected with a driving wheel 419, and an output shaft of the output motor 418 is in transmission connection with the driving wheel 419; one end of the second screw rod 503 of the traverse assembly 5, which is arranged in the auxiliary frame 3, is rotatably connected with a driving motor, the second screw rod 503 is driven by the driving motor, and the traverse substrate 504 is enabled to translate on the fixed shaft 502 and the second screw rod 503 through the engagement with the second reverser 505 under the rotation of the second screw rod 503; the embedding of the top front side of host computer seat 2 is provided with control module 8, and control module 8 is the host computer, and belt drive motor 7, sideslip slider 408, vertical slider 412, output motor 418, driving motor all have control module 8 to connect the drive.
In practice, the three lifting columns 415 of the lifting clamp 413 on the vertical clamp plates 409 at the front side and the rear side are respectively embedded into the fixed base plate 501 and the through cavity 506 on the traversing base plate 504 in an aligned manner by adjusting the position of the traversing slider 408 on the traversing guide rail 407 and the position of the traversing base plate 504 on the second lead screw, so that printed circuit boards with different area sizes can be handled, the clamping range of the lifting clamp 413 can be adjusted according to the size of the printed circuit board detected by application, meanwhile, the placing positions at the two sides of the printed circuit board are respectively set to be half of the front end parts of the lifting baffle plates 417 at the two sides, and the left positions are convenient for the front-rear translation of the printed; in the initial stage, the traverse base plate 504 slides to the rear side of the lifting clamp 413 on the same side through the rotation of the second lead screw 503, so that the lifting column 415 moves out of the passing cavity 506, the lifting clamps 413 on two sides of the machine body 1 synchronously slide on the vertical guide rail 411 through the vertical slider 412 until all the lifting baffles 417 are positioned above the fixed base plate 501 and the traverse base plate 504, one printed circuit board is horizontally placed on each lifting baffle 417 positioned on the same level, and then the lifting clamps 413 on two sides simultaneously slide downwards gradually on the vertical guide rail 411 through the vertical slider 412; when the top surface of the jacking baffle 417 on each same level is parallel to the top surface of the conveying belt 512, the vertical sliding block 412 stops moving at a fixed time, the transverse moving substrate 504 moves forwards to be embedded with the jacking columns 415 on the lifting clamp plates 413 on the same side in a relative position through the cavity 506, two sides of the printed circuit board conforming to the thickness dimension are pushed onto the conveying belt 512 on two sides, the conveying belt 512 transmits and discharges materials, two sides of the printed circuit board not conforming to the thickness dimension cannot enter the conveying belt 512, and then the vertical sliding block 412 continues to slide downwards until the top surface on the next same level is parallel to the top surface of the conveying belt 512, so that reciprocating is carried out until the screening of the printed circuit board on the top is completed, and the printed circuit board not conforming to the thickness standard is still positioned; after screening is completed, the traverse substrate 504 slides to the rear side of the lifting clamp 413 on the same side through rotation of the second lead screw 503, so that the lifting column 415 moves out of the passing cavity 506, the lifting clamps 413 on the two sides slide on the vertical guide rail 411 through the vertical slide block 412 synchronously until all the lifting baffles 417 are positioned above the fixed substrate 501 and the traverse substrate 504, printed circuit boards which do not meet the thickness standard are taken out, the next printed circuit board with screening is placed in, and screening is performed to reciprocate.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A printed circuit board screening machine, comprising:
a rectangular cavity (6) is formed in the center of the top of the machine body (1);
the main machine seat (2) is fixedly connected to the front side of the top of the main machine body (1) and located on the front end side of the rectangular cavity (6), a belt transmission motor (7) is embedded into one end of the main machine seat, and the output end of the belt transmission motor (7) extends out of the inner side wall of the main machine seat (2);
the auxiliary base (3) is fixedly connected to the rear side of the top of the machine main body (1) and is positioned on the rear end side of the rectangular cavity (6), a belt transmission motor (7) is embedded into one end of the inner side of the auxiliary base, and the output end of the belt transmission motor (7) extends and is embedded outside the inner side wall of the auxiliary base (3);
the lifting assembly (4) is embedded in the machine body (1) and the main machine base (2) and comprises a lifting bottom plate (401), a fixed top plate (402) parallel to the lifting bottom plate (401), two fixed columns (403) fixedly connected at two end sides between the lifting bottom plate (401) and the fixed top plate (402), a first screw rod (404) rotatably connected between the lifting bottom plate (401) and the fixed top plate (402) and positioned at the center between the two fixed columns (403), a connecting base plate (405) movably connected on the first screw rod (404) and the fixed columns (403), a lifting plate (406) fixedly connected at the rear side of the connecting base plate (405) and horizontally arranged, a transverse moving guide rail (407) arranged at the top of the lifting plate (406), two transverse moving sliders (408) which are aligned with the transverse moving guide rail (407) and are slidably connected on the transverse moving guide rail (407), and two vertical clamping plates (409) which are oppositely arranged in parallel and vertically fixed on the transverse moving sliders (408), the middle part of the connecting base plate (405) is provided with a first reverser (410) which is matched with the first screw rod (404) in a relative position, the connecting base plate (405) is connected with the first screw rod (404) through the first reverser (410), a vertical guide rail (411) is arranged on the inner side wall of the vertical clamping plate (409), a vertical sliding block (412) which is matched with the vertical guide rail (411) is connected in a sliding way, a lifting clamping plate (413) is fixedly connected on the vertical sliding block (412), the lifting clamping plate (413) is composed of a connecting frame plate (414) which is fixedly connected at the top end of the vertical clamping plate (409), three jacking columns (415) which are distributed at equal intervals and vertically and fixedly connected at the top part of the connecting frame plate (414) and a rectangular frame plate (416) which is fixedly connected at the top part of the jacking columns (415), and the front end of the connecting frame plate (414) is protruded towards the central axial plane of, the jacking columns (415) are positioned above the inner sides of the vertical clamping plates (409), a plurality of jacking baffles (417) which are horizontally and transversely arranged are equidistantly arranged on the jacking columns (415), and the lifting plates (406) are arranged in the rectangular cavity (6);
the transverse moving assembly (5) comprises a fixed substrate (501) fixedly connected to the inner side wall of the main machine base (2), two fixed shafts (502) which are fixed between the inner side wall of the fixed substrate (501) and the upper part of the inner side wall of the auxiliary machine base (3) and are symmetrically distributed in parallel, two second lead screws (503) which are rotatably connected between the inner side wall of the fixed substrate (501) and the lower part of the inner side wall of the auxiliary machine base (3) and are in parallel alignment with the fixed shafts (502), and transverse moving substrates (504) which are slidably nested on the fixed shafts (502) and the second lead screws (503) and are symmetrically arranged in parallel with the fixed substrate (501), second reversers (505) which are in opposite alignment with the second lead screws (503) are arranged at two end sides of the lower part of the transverse moving substrate (504), the transverse moving substrate (504) is connected with the second lead screws (503) through the second revers, The middle of the upper part of the transverse moving substrate (504) is provided with three through cavities (506) which are oppositely embedded with the jacking columns (415), the top ends of the two outer sides of the through cavities (506) are respectively provided with a first roller baffle (507) and a second roller baffle (508) on the inner side walls of the fixed substrate (501) and the transverse moving substrate (504), supporting baffles (509) are fixed below the first roller baffle (507) and the second roller baffle (508) on the inner side walls of the fixed substrate (501) and the transverse moving substrate (504), a plurality of transmission rollers (510) are arranged on the inner side walls of the fixed substrate (501) and the transverse moving substrate (504), the output ends of all the transmission rollers (510) on the fixed substrate (501) and the belt transmission motor (7) on the fixed substrate (501) are in transmission connection with the same conveying belt (512), and the output ends of all the transmission rollers (510) on the transverse moving substrate (504) and the belt transmission motor (7) on the transverse moving substrate (504) The end transmission is connected with the same conveying belt (512).
2. The printed wiring board screening machine of claim 1, wherein: the fixed substrate (501) and the traverse substrate (504) have the same shape and size.
3. The printed wiring board screening machine of claim 1, wherein: the jacking baffles (417) on the jacking columns (415) at the two end sides of the lifting plate (406) are oppositely arranged.
4. The printed wiring board screening machine of claim 1, wherein: the inner side walls of the fixed base plate (501) and the transverse moving base plate (504) are respectively and rotatably connected with a transmission roller (510) at two end sides of the supporting baffle plate (509), the top ends of the inner side walls of the fixed base plate (501) and the transverse moving base plate (504) are respectively provided with a limit roller baffle plate (511) between every two passing cavities (506), the two end sides of the inner side walls of the fixed base plate (501) and the transverse moving base plate (504) below the limit roller baffle plate (511) are respectively and rotatably connected with a transmission roller (510), the inner side walls of the fixed base plate (501) and the transverse moving base plate (504) below the passing cavities (506) and below the middle part of the supporting baffle plate (509) are respectively and rotatably connected with a transmission roller (510), and two sides of the lower ends of the inner side walls of the fixed base plate (501) and the transverse moving base plate, the output end of the belt transmission motor (7) on the main machine seat (2) extends to the outside of the inner side wall of the fixed base plate (501), the output end of the belt transmission motor (7) on the auxiliary machine seat (3) extends to the outside of the inner side wall of the transverse moving base plate (504), a transmission roller (510) is further arranged on the upper portion of the outer side end of the belt transmission motor (7) on the inner side wall of the fixed base plate (501), and a transmission roller (510) is further arranged on the upper portion of the outer side end of the belt transmission motor (7) on the inner side wall of the transverse moving base plate (504).
5. The printed wiring board screening machine of claim 4, wherein: the conveying belt (512) on the fixed base plate (501) is sleeved on the outer end sides of two driving rollers (510) below the supporting baffle (509), the conveying belt (512) on the fixed base plate (501) is sleeved on the outer end side of the transmission roller (510) below the passing cavity (506), the conveying belt (512) on the fixed base plate (501) is sleeved on the outer end sides of the two driving rollers (510) below the limit roller baffle (511) in a ring manner, the conveying belt (512) on the fixed base plate (501) is sleeved on the outer end sides of the driving rollers (510) at the two ends of the lower part of the fixed base plate (501), the conveying belt (512) on the fixed base plate (501) is sleeved on the outer end side of a driving roller (510) at the outer end side of the belt conveying motor, the conveying belt (512) on the fixed base plate (501) is sleeved on the inner end side of the driving roller (510) below the middle part of the supporting baffle plate (509).
6. The printed wiring board screening machine of claim 4, wherein: the conveying belt (512) on the transverse moving substrate (504) is sleeved on the outer end sides of two driving rollers (510) below the supporting baffle (509), the conveying belt (512) on the transverse moving substrate (504) is sleeved on the outer end side of the driving roller (510) below the passing cavity (506), the conveying belt (512) on the transverse moving substrate (504) is sleeved on the outer end sides of two driving rollers (510) below the limit roller baffle (511) in a ring way, the conveying belt (512) on the transverse moving substrate (504) is sleeved on the outer end sides of the driving rollers (510) at the two ends of the lower part of the transverse moving substrate (504), the conveying belt (512) on the transverse moving substrate (504) is sleeved on the outer end side of a driving roller (510) at the outer end side of the belt conveying motor, the conveying belt (512) on the transverse moving substrate (504) is sleeved on the inner end side of the driving roller (510) below the middle part of the supporting baffle (509).
7. The printed wiring board screening machine of claim 1, wherein: one end side of the fixed top plate (402) is fixedly connected with an output motor (418) which is vertically and upwards arranged, the top end of the first screw rod (404) extends out of the top wall of the fixed top plate (402) and is fixedly connected with a driving wheel (419), and an output shaft of the output motor (418) is in transmission connection with the driving wheel (419).
8. The printed wiring board screening machine of claim 1, wherein: and in the lifting clamp plate (413) on one side of the fixed base plate (501) lifting baffle plate (417), the length extending out of the outer end of the conveying belt (512) is half of the length of the lifting baffle plate (417).
9. The printed wiring board screening machine of claim 1, wherein: one end of a second screw rod (503) on the transverse moving assembly (5) which is out of the auxiliary base (3) is rotatably connected with a driving motor.
10. The printed wiring board screening machine of claim 1, wherein: the front side of the top of the main machine seat (2) is embedded with a control module (8).
CN202010830300.8A 2020-08-18 2020-08-18 Printed circuit board screening machine Active CN111957590B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR830008741A (en) * 1981-03-26 1983-12-14 사다께 도시히꼬 Cleaning device for transparent plate of detector of color sorter
CA2233840A1 (en) * 1995-10-03 1997-04-10 Alexander D. Cormack A blade guide for a blade screen
CN101403709A (en) * 2008-10-31 2009-04-08 广东正业科技有限公司 Appearance inspection machine for printed circuit board
CN104670880A (en) * 2014-12-09 2015-06-03 东莞新爱荣机械自动化设备有限公司 Automatic conveying equipment
CN205042753U (en) * 2015-09-06 2016-02-24 安徽拓盛汽车零部件有限公司 Novel lock footpath device
CN106423815A (en) * 2016-10-27 2017-02-22 重庆第二机床厂有限责任公司 Unqualified circuit board screening machine
CN207129641U (en) * 2017-04-28 2018-03-23 广东华技达精密机械有限公司 Panel screens lowering or hoisting gear
CN110449370A (en) * 2018-05-07 2019-11-15 蓝思智能机器人(长沙)有限公司 Product thickness apparatus for automatically sorting

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR830008741A (en) * 1981-03-26 1983-12-14 사다께 도시히꼬 Cleaning device for transparent plate of detector of color sorter
CA2233840A1 (en) * 1995-10-03 1997-04-10 Alexander D. Cormack A blade guide for a blade screen
CN101403709A (en) * 2008-10-31 2009-04-08 广东正业科技有限公司 Appearance inspection machine for printed circuit board
CN104670880A (en) * 2014-12-09 2015-06-03 东莞新爱荣机械自动化设备有限公司 Automatic conveying equipment
CN205042753U (en) * 2015-09-06 2016-02-24 安徽拓盛汽车零部件有限公司 Novel lock footpath device
CN106423815A (en) * 2016-10-27 2017-02-22 重庆第二机床厂有限责任公司 Unqualified circuit board screening machine
CN207129641U (en) * 2017-04-28 2018-03-23 广东华技达精密机械有限公司 Panel screens lowering or hoisting gear
CN110449370A (en) * 2018-05-07 2019-11-15 蓝思智能机器人(长沙)有限公司 Product thickness apparatus for automatically sorting

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