CN114686791B - Tin spraying machine - Google Patents
Tin spraying machine Download PDFInfo
- Publication number
- CN114686791B CN114686791B CN202210212643.7A CN202210212643A CN114686791B CN 114686791 B CN114686791 B CN 114686791B CN 202210212643 A CN202210212643 A CN 202210212643A CN 114686791 B CN114686791 B CN 114686791B
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- CN
- China
- Prior art keywords
- feeding
- fixedly connected
- turnover
- tin
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000005507 spraying Methods 0.000 title claims abstract description 40
- 230000007306 turnover Effects 0.000 claims abstract description 157
- 230000000670 limiting effect Effects 0.000 claims abstract description 140
- 230000007246 mechanism Effects 0.000 claims description 134
- 238000007747 plating Methods 0.000 claims description 53
- 238000012937 correction Methods 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 28
- 230000008569 process Effects 0.000 abstract description 27
- 230000001681 protective effect Effects 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 4
- KTXUOWUHFLBZPW-UHFFFAOYSA-N 1-chloro-3-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C=C(Cl)C=CC=2)=C1 KTXUOWUHFLBZPW-UHFFFAOYSA-N 0.000 description 82
- 238000005452 bending Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- YVIMHTIMVIIXBQ-UHFFFAOYSA-N [SnH3][Al] Chemical compound [SnH3][Al] YVIMHTIMVIIXBQ-UHFFFAOYSA-N 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/123—Spraying molten metal
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/14—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using spraying techniques to apply the conductive material, e.g. vapour evaporation
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Specific Conveyance Elements (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention discloses a tin spraying machine, which belongs to the field of PCB processing and comprises a frame, wherein a protective shell is arranged at the top end of the frame, a feeding shell is fixedly connected to one side surface of the frame, a feeding assembly is arranged below the feeding shell, a discharging shell is fixedly connected to the other side surface of the frame, a discharging assembly is arranged below the discharging shell, a clamping rotating assembly is arranged inside the protective shell, a turnover assembly is arranged between the clamping rotating assembly and the feeding assembly, a lifting tin feeding assembly is arranged on one side of the clamping rotating assembly, and a limiting release assembly is arranged between the clamping rotating assembly and the discharging assembly. According to the invention, through the feeding assembly, the overturning assembly, the clamping rotating assembly, the lifting tin feeding assembly, the limiting release assembly and the blanking assembly, the PCB can be rapidly and accurately transferred, so that the tin spraying efficiency can be improved, and the stability of the PCB in the transferring process is enhanced.
Description
Technical Field
The invention relates to the field of PCB processing, in particular to a tin spraying machine.
Background
In order to avoid oxidation of the bare copper surface of the PCB and maintain the soldering property of the PCB, the PCB needs to be sprayed with tin, and the conventional common tin spraying device is a tin spraying machine.
The tin spraying machine is used for coating a tin-aluminum alloy layer on the copper clad laminate in the PCB processing technology. Tin is a low-melting-point metal element, is convenient to process and shape, can not be oxidized by air, and can prevent articles from rusting and corrosion by spraying tin, and a tin dioxide protective film is generated on the surface of tin in the air to be stable.
The prior art has the following problems: tin spraying efficiency is low, and stability is not strong in the PCB transferring process. Accordingly, a tin spraying machine is provided by a person skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The invention aims to provide a tin spraying machine, which can improve tin spraying efficiency and strengthen stability in the transfer process of a PCB (printed circuit board) through a series of arranged structures so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a tin spraying machine, includes the frame, the top of frame is equipped with the protective housing, and a side fixedly connected with material loading casing of frame, the below of material loading casing is equipped with the material loading subassembly, another side fixedly connected with unloading casing of frame, and the below of unloading casing is equipped with the unloading subassembly, the inside of protective housing is equipped with the centre gripping rotating assembly, and is equipped with the upset subassembly between centre gripping rotating assembly and the material loading subassembly, one side of centre gripping rotating assembly is equipped with the lift and goes up the tin subassembly, and is equipped with spacing release subassembly between centre gripping rotating assembly and the unloading subassembly.
Through a series of structures that set up, can improve the tin spraying efficiency to strengthen the stability in the PCB board transfer process.
As a further scheme of the invention: the feeding assembly comprises a feeding table fixed on one side of the frame, the edges of the two sides of the top end face of the feeding table are fixedly connected with feeding side plates, a feeding notch is formed in the middle position of each feeding side plate, a left correction cross beam and a right correction cross beam are respectively arranged on the two sides of each feeding notch, limiting sliding mechanisms are arranged at the two ends of each left correction cross beam and the two ends of each right correction cross beam, a plurality of uniformly distributed left pushing rods are fixedly connected with the bottom end face of each left correction cross beam, a correction cylinder is fixedly connected with the middle position of the top end of each right correction cross beam, the bottom output end of each correction cylinder penetrates through each right correction cross beam and is fixedly connected with a correction lifting plate, a plurality of uniformly distributed right pushing rods are fixedly connected with the bottom end face of each correction lifting plate, roller conveying mechanisms are arranged between the two feeding side plates, and feeding pushing mechanisms are arranged at the feeding notch of the middle positions of the two feeding side plates.
The PCB to be sprayed with tin is placed on the roller conveying mechanism, the roller conveying mechanism drives the PCB to move forwards, when the PCB moves to the right pushing rod, the correction cylinder operates to drive the correction lifting plate to lift, then the right pushing rod is driven to lift to be released, the PCB continues to move until the PCB is blocked by the left pushing rod, at this time, the limiting sliding mechanism operates to push the PCB, and then the PCB is pushed away towards the overturning assembly through the feeding pushing mechanism.
As still further aspects of the invention: the roller conveying mechanism comprises a plurality of parallel feeding rotating shafts movably connected between two feeding side plates, a plurality of conveying rollers which are uniformly distributed are fixedly connected to the outer side face of the feeding rotating shafts, one end of each feeding rotating shaft penetrates through the feeding side plate and is fixedly connected with a feeding belt pulley, a conveying motor is fixedly connected to the lower part of each feeding notch, and the conveying motor is connected with each feeding belt pulley through belt transmission.
When the PCB is placed on the roller conveying mechanism, the conveying motor operates to drive the feeding belt pulley to rotate, and then the feeding rotating shaft is driven to rotate, and the conveying rollers rotate along with the feeding rotating shaft to move the PCB forwards.
As still further aspects of the invention: the right pushing middle rod and the left pushing middle rod are staggered with the conveying roller.
This arrangement ensures that the right push rod, the left push rod will not affect the rotation of the transport rollers.
As still further aspects of the invention: the bottom end of the left push middle rod is lower than the top end of the conveying roller in height.
This arrangement ensures that the PCB cannot go over the left push rod.
As still further aspects of the invention: the feeding pushing mechanism comprises a pushing motor fixed at one side of the bottom end of the feeding notch, a pushing belt pulley is arranged at the other side of the bottom end of the feeding notch, the output end of the pushing motor is driven by a conveying belt, a pushing seat fixedly connected with the conveying belt is arranged at one side of the pushing belt pulley, and pushing rods are fixedly connected to two sides of one side face of the pushing motor.
The specific process that material loading pushing mechanism pushed away the PCB board towards the turnover assembly does, after waiting the PCB board to be pushed to intermediate position, pushes away material motor operation and drives pushing away material belt pulley and conveyor belt rotation, and the pushing away material seat that this moment follows pushing away material belt pulley and removes to the turnover assembly, and the pushing away material pole follows and removes, and then pushes away the PCB board to the turnover assembly.
As still further aspects of the invention: the limiting sliding mechanism comprises a feeding limiting rod fixed below one ends of the left correcting beam and the right correcting beam and at the top end of a feeding side plate, one ends of the left correcting beam and the right correcting beam are sleeved on the feeding limiting rod and are movable, a feeding slide rail is fixedly connected below the other ends of the left correcting beam and the right correcting beam and at the top end of the feeding side plate, and the other ends of the left correcting beam and the right correcting beam are clamped on the feeding slide rail and can move left and right on the feeding slide rail through a stepping motor with one end fixed on the feeding slide rail.
The specific process of pushing the PCB by the operation of the limiting sliding mechanism is that the stepping motor drives one ends of the left correcting cross beam and the right correcting cross beam to be far away from each other on the feeding sliding rail, at the moment, the other ends of the left correcting cross beam and the right correcting cross beam move along on the feeding limiting rod, then the correcting cylinder drives the correcting lifting plate to descend, the stepping motor drives the left correcting cross beam and the right correcting cross beam to be close to each other, and then the left pushing middle rod and the right pushing middle rod are driven to be close to each other to push the PCB to the middle position.
As still further aspects of the invention: the turnover assembly comprises a turnover bottom plate fixed on the frame, a turnover supporting plate is fixedly connected to one side of the top end face of the turnover bottom plate, a turnover motor is fixedly connected to one side face of the turnover supporting plate, a turnover seat is movably connected to the other side of the turnover supporting plate, the turnover seat is fixedly connected with the output end of the turnover motor, and a lifting plate connecting mechanism is arranged at the top end of the turnover seat.
The turning assembly is in a horizontal state in an initial state, namely the lifting plate mechanism is horizontally located in the feeding notch, and when the feeding pushing mechanism pushes the PCB to the side until the PCB contacts with the lifting plate mechanism, the turning motor operates to drive the turning seat to turn over for ninety degrees to erect, and then the lifting plate mechanism is driven to erect.
As still further aspects of the invention: the lifting plate mechanism comprises a turnover screw rod penetrating through the top wall of the turnover seat, one side of the bottom end of the turnover seat is fixedly connected with a turnover lifting motor, the output end of the turnover lifting motor is connected with the bottom end of the turnover screw rod through a belt gear in a transmission mode, the outer side face of the turnover screw rod is in threaded connection with the turnover lifting seat, the side face top end of the turnover lifting seat is fixedly connected with a turnover clamping plate, a turnover limiting mechanism is arranged between the turnover clamping plate and the turnover lifting seat, the top end of the turnover screw rod is provided with a turnover limiting seat, and the top end of the turnover screw rod is clamped inside the turnover limiting seat and can rotate.
After the feeding pushing mechanism pushes the PCB to the side, the edge of one side of the PCB is clamped in the overturning clamping plate, at the moment, the running stepping motor drives the left correcting cross beam and the right correcting cross beam to be mutually far away to provide space for overturning of the overturning assembly, after the overturning assembly overturns ninety degrees and stands up, the overturning lifting motor operates to drive the overturning screw rod to rotate, the overturning lifting seat slowly ascends under the limiting action of the overturning limiting seat and the overturning limiting mechanism, and then the overturning clamping plate and the PCB on the overturning clamping plate are driven to vertically ascend, and after the overturning lifting plate ascends to a certain height, the PCB is connected by the clamping rotating assembly.
As still further aspects of the invention: the turnover limiting mechanism comprises two turnover limiting shafts which are arranged in parallel, the turnover limiting shafts are fixed on one side of the turnover screw rod, and the two turnover limiting shafts sequentially penetrate through the side walls of the turnover lifting seat and the turnover limiting seat.
The turnover lifting seat is limited by the turnover limiting shaft in the lifting process, so that the turnover lifting seat can not rotate along with the turnover screw rod and can only lift.
As still further aspects of the invention: the top ends of the two overturning limiting shafts are fixedly connected with reinforcing blocks together.
The setting of strengthening block improves the structural stability of two upset spacing axles, avoids the skew.
As still further aspects of the invention: the side of the turnover clamping plate is provided with a bayonet slot.
The bayonet slot is arranged to facilitate the overturning clamping plate to clamp the edge of the PCB.
As still further aspects of the invention: the top end face of the turnover bottom plate and one side of the turnover seat are fixedly connected with a limiting supporting block, and the limiting supporting block is contacted with the turnover seat after the turnover seat is turned outwards for ninety degrees.
After the turnover assembly finishes the PCB, the turnover assembly turns ninety degrees again to return to the original position, and the limiting support block is arranged to drag the turnover assembly at the moment so as to ensure that the turnover assembly is in the horizontal position.
As still further aspects of the invention: the clamping rotating assembly comprises a rotating motor movably connected to the top end of the frame, the top output end of the rotating motor is fixedly connected with a rotating frame, the corner position of the bottom end of the rotating frame is fixedly connected with a first fixing block, one side of the first fixing block is fixedly connected with a second fixing block, a concave clamping plate is arranged between the first fixing block and the second fixing block, a linear bearing is arranged between the concave clamping plate and the first fixing block, an inner rod is movably connected to the linear bearing, spring columns are fixedly connected to the two sides of the linear bearing, a long slat is arranged below the second fixing block, the top end of the long slat is clamped between the second fixing block and the concave clamping plate, a transverse plate is fixedly connected to the side surface of the long slat, a plurality of uniformly distributed rectangular grooves are formed in the side surface of the long slat, and clamping mechanisms are arranged on the two sides of the long slat.
After the PCB is sent to a certain height by the overturning assembly, the PCB is clamped by the clamping mechanism, the PCB at the moment is transferred to the clamping rotating assembly, then, the rotating motor is operated to drive the rotating frame to rotate ninety degrees, the PCB follows to rotate, and at the moment, the PCB is delivered to the lifting tin feeding assembly by the clamping rotating assembly.
As still further aspects of the invention: the clamping mechanism comprises a shaft rod movably connected to the side surface of the long slat, a roller bearing is movably connected to the top end of the shaft rod, a torsion spring is fixedly connected to the outer side surface of the shaft rod below the roller bearing, two ends of the torsion spring respectively support against the side surface of the transverse slat and the side surface of the long slat, a movable clamp is fixedly connected to the bottom end of the shaft rod, a fixing clamp is fixedly connected to the bottom end of the long slat corresponding to the position of the movable clamp, and a roller pushing mechanism is arranged on the rack on two sides of the rotating frame.
The specific use process of the clamping mechanism is that the roller pushing mechanism pushes the roller bearing to open towards two sides, the shaft rod at the moment rotates to drive the movable clamp to open, when the PCB rises to a certain height to be located between the movable clamp and the fixed clamp, the roller pushing mechanism returns to the original position, at the moment, the torsion spring drives the shaft rod to rotate to the original position, and then the movable clamp is driven to close to the fixed clamp, and then the movable clamp and the fixed clamp the PCB.
As still further aspects of the invention: the pushing roller mechanism comprises clamping cylinders fixed on the frames at two sides of the rotating frame, and the output ends of the clamping cylinders face the rotating frame and are fixedly connected with pushing plates.
When the roller pushing mechanism operates, the clamping cylinder pushes the push plate, and the push plate pushes the roller bearing to two sides after the push plate moves forward to be in contact with the roller bearing.
As still further aspects of the invention: the height of the roller bearing is the same as that of the pushing plate.
This arrangement ensures that the push plate push can push to the roller bearing.
As still further aspects of the invention: teeth are arranged on the opposite surfaces of the movable clamp and the fixed clamp.
The arrangement of the teeth can improve the stability of the movable clamp and the fixed clamp for clamping the PCB.
As still further aspects of the invention: the inside of the spring column is sleeved with an anti-bending mechanism.
The bending prevention mechanism can prevent the spring column from bending.
As still further aspects of the invention: the bending prevention mechanism comprises a limiting linear bearing fixed on the side face of the concave clamping plate, a limiting inner rod is movably connected inside the limiting linear bearing, and one end of the limiting inner rod is fixed on the side face of the first fixing block.
When the spring column is compressed or stretched, the limiting inner rod moves along with the inside of the limiting linear bearing, and further bending of the spring column is avoided.
As still further aspects of the invention: the lifting tin feeding assembly comprises a lifting bottom plate fixed on the frame and a lifting motor fixed above the lifting bottom plate, a tin feeding fixing seat is fixedly connected to the top end of the lifting bottom plate, a tin feeding belt pulley is movably connected to the side face of the tin feeding fixing seat, a tin feeding belt is driven between the tin feeding belt pulley and the output end of the lifting motor through a tin feeding belt, a tin feeding lifting seat is fixedly connected to the outer side face of the tin feeding belt, a tin feeding clamping seat is fixedly connected to the side face of the tin feeding lifting seat, a pneumatic clamping jaw is movably connected to one end of the tin feeding clamping seat, a tin feeding cylinder connected with the pneumatic clamping jaw is arranged inside the tin feeding clamping seat, and a tin feeding limiting mechanism is arranged between the tin feeding clamping seat and the lifting bottom plate.
When waiting to grasp the rotary assembly and shift the position of going up tin subassembly to the PCB board, at first, go up tin cylinder operation and drive pneumatic clamping jaw and press from both sides the diaphragm tightly, then, the lift motor operation drives the tin belt and rotates, go up tin elevating seat and descend along with the tin belt, and then drive the rectangular board and the PCB board through pneumatic clamping jaw and descend along with, the PCB board descends to the back and carries out the tin spraying technology of certain position, after the tin spraying is accomplished, move elevating motor again and rise the PCB board to suitable position and make rectangular board and PCB board hold by the rotatory subassembly of centre gripping again, the rotatory motor of the rotatory subassembly of centre gripping is operated again and is rotated ninety degrees and give the PCB board spacing release subassembly.
As still further aspects of the invention: the tin-plating limiting mechanism comprises two parallel tin-plating limiting rods fixed on the top end face of the lifting bottom plate, and the top ends of the tin-plating limiting rods penetrate through the tin-plating lifting seat.
In the lifting process of the tin lifting seat, the tin limiting rod limits the tin lifting seat to move up and down only and cannot rotate.
As still further aspects of the invention: and a tin-plating limiting plate is fixedly connected between the two tin-plating limiting rods, and the top end of the tin-plating limiting plate penetrates through a tin-plating lifting groove formed in the tin-plating lifting seat.
The tin-plating limiting plate not only can further limit the tin-plating lifting seat to move up and down, but also can provide shielding protection for the tin-plating belt at the back.
As still further aspects of the invention: and the top ends and the bottom ends of the outer side surfaces of the two tinning limiting rods are fixedly connected with limiting sleeves.
The setting of the limit sleeve prevents the ascending or descending distance of the upper tin lifting seat from being overlarge.
As still further aspects of the invention: the lifting tinning assembly further comprises a tinning pushing cylinder, the tinning pushing cylinder is fixed at the edge of the top end of the frame between the overturning assembly and the limiting release assembly, and the output end of the tinning pushing cylinder is fixedly connected with a concave push plate.
In the process that the PCB is transferred to the lifting tin-plating assembly by the clamping rotating assembly, the tin-plating pushing cylinder can make the process more convenient, namely, the tin-plating pushing cylinder operates to push the concave push plate to move towards the concave clamp plate, the concave clamp plate is pushed to move inwards by the concave push plate, the inner rod at the moment is relatively displaced inside the linear bearing, the spring column is compressed, the long slat clamped by the concave clamp plate and the second fixed block is loosened, the lifting tin-plating assembly is convenient to drive the long slat to descend, after the tin-plating process is completed, the lifting tin-plating assembly drives the long slat to ascend, after the top end of the long slat reenters between the concave clamp plate and the second fixed block, the tin-plating pushing cylinder operates to drive the concave push plate to return to the original position, and at the moment, the spring column releases elastic potential energy to push the concave clamp plate towards the second fixed block, and then clamps the long slat again.
As still further aspects of the invention: the groove of the concave push plate faces the upward tin lifting seat.
This arrangement ensures that the concave push plate does not push against the second fixed block.
As still further aspects of the invention: the limiting release assembly comprises a release bottom plate fixed on the frame, a release supporting plate is fixedly connected to one side of the top end of the release bottom plate, a release rotating motor is fixedly connected to the side face of the release supporting plate, an output end of the release rotating motor penetrates through the release supporting plate and is fixedly connected with a release rotating seat, a release lifting seat is movably connected to the top end of the release rotating seat, a release lifting cylinder is fixedly connected to the bottom end of the release rotating seat, the top output end of the release lifting cylinder penetrates through the release rotating seat and is fixedly connected with the bottom end face of the release lifting seat, two vertical plates placed side by side are fixedly connected to the top end face of the release lifting seat, a vertical groove is formed between the two vertical plates, and a lifting clamping mechanism is arranged inside the vertical groove.
When the clamping rotating assembly transfers the PCB to the limiting release assembly, firstly, the lifting clamping mechanism operates to catch the PCB, then, the lifting cylinder is released to operate to drive the lifting seat to descend, then the vertical plate and the lifting clamping mechanism are driven to descend, finally, the releasing rotating motor operates to drive the releasing rotating seat to rotate ninety degrees, the vertical plate is changed into a horizontal state from an original vertical state, and the limiting release assembly at the moment sends the PCB to the blanking assembly.
As still further aspects of the invention: the lifting clamping mechanism comprises a release telescopic cylinder fixed at the bottom end of the vertical groove, the top output end of the release telescopic cylinder is fixedly connected with a vertical connecting rod, the top end of the vertical connecting rod is fixedly connected with an adapter, the top of the adapter is movably connected with a push-pull rod, and the top end of the push-pull rod is provided with a lever clamping head mechanism.
The concrete work flow of the lifting clamping mechanism is that the telescopic cylinder is released to operate so as to push the vertical connecting rod to ascend, then the adapter is pushed to ascend, the adapter pushes the push-pull rod upwards, and at the moment, the push-pull rod pushes the lever clamping mechanism to clamp the edge of the top end of the PCB.
As still further aspects of the invention: the lever clamping head mechanism comprises a lever clamping block movably connected to the top end of the push-pull rod, the top ends of the two vertical plates are fixedly connected with a release top plate together, a lever clamping groove is formed in the middle position of the side face of the release top plate, the middle part of the lever clamping block is clamped in the lever clamping groove and movably connected through a penetrating rotation pin, one end of the lever clamping block is fixedly connected with a movable clamping block, and a fixed clamping block is fixedly connected to the bottom end of one side face of the release top plate, which is close to the movable clamping block.
The lever clamping mechanism specifically operates such that when the push-pull rod pushes the lever clamping block of the lever clamping mechanism, the lever clamping block rotates in the lever clamping groove, the movable clamping block moves downwards and stretches out towards the direction of the rotating motor until the bottom end of the movable clamping block is flush with the bottom end of the fixed clamping block, the PCB is clamped between the movable clamping block and the fixed clamping block, the lifting cylinder is released to operate to drive the lever clamping mechanism to descend, and the edge of the top end of the PCB is clamped between the movable clamping block and the fixed clamping block.
As still further aspects of the invention: and a side surface of the fixed clamping block, which is far away from the release top plate, is fixedly connected with a tooth strip.
The setting of tooth strip can conveniently fix the better clamp PCB board of clamp splice.
As still further aspects of the invention: the middle position inside the vertical groove is fixedly connected with a release limiting seat, and the top end of the vertical connecting rod penetrates through the release limiting seat.
The vertical connecting rod can only move up and down due to the arrangement of the release limiting seat.
As still further aspects of the invention: lifting guide rods are fixedly connected to four corners of the top end face of the release rotary seat, and the top ends of the lifting guide rods penetrate through the release lifting seat.
The lifting guide rod improves the stability of the release lifting seat in the lifting process.
As still further aspects of the invention: the blanking assembly comprises a blanking table fixed on the other side of the frame, a blanking movable side plate is movably connected to one side edge of the top end face of the blanking table, a blanking fixed side plate is fixedly connected to the other side edge of the top end face of the blanking table, blanking gaps are formed in the middles of the blanking movable side plate and the blanking fixed side plate, a plurality of parallel conical guide wheels are movably connected to the opposite side faces of the blanking movable side plate and the blanking fixed side plate, one end of each conical guide wheel is fixedly connected with a blanking belt pulley, a blanking motor is fixedly connected to the lower portion of each blanking gap, the blanking motor is connected with each blanking belt pulley through belt transmission, and a spacing adjusting mechanism is arranged between each blanking movable side plate and each blanking fixed side plate.
After the lever chuck mechanism clamps the PCB, the limiting release assembly overturns the PCB by ninety degrees to the blanking assembly, the overturned limiting release assembly is located in the blanking notch, the PCB on the overturned limiting release assembly is supported by the conical conductive wheels, the blanking motor operates to drive each blanking belt pulley to rotate, then the conical conductive wheels are driven to rotate, and the PCB is driven to advance by the conical conductive wheels.
As still further aspects of the invention: the interval adjustment mechanism is including the lead screw that is located the unloading breach both sides, and the one end swing joint of lead screw is on the fixed curb plate of unloading, the other end of lead screw pass the movable curb plate of unloading and rather than threaded connection, the both sides of lead screw are equipped with spacing optical axis, and the one end swing joint of spacing optical axis is on the fixed curb plate of unloading, the other end of spacing optical axis runs through the movable curb plate of unloading, one side top fixedly connected with interval accommodate motor of unloading motor, and is connected through belt drive between interval accommodate motor and the lead screw one end.
When the interval between the conical guide wheels on two sides is insufficient to support the PCB, the screw is driven to rotate only through the operation of the interval adjusting motor, at the moment, the movable blanking side plate moves along the screw under the limiting action of the limiting optical axis, and then the interval between the fixed blanking side plate and the movable blanking side plate is adjusted.
As still further aspects of the invention: and a spacing limiting sleeve is fixedly connected to the outer side face of the limiting optical axis.
The spacing sleeve is arranged to prevent the movable blanking side plate from being too close to the fixed blanking side plate.
As still further aspects of the invention: the diameter of the section of the conical transmission wheel is gradually reduced from the edge of the top end of the blanking table to the middle of the top end of the blanking table.
This setting guarantees that toper conducting wheel can be better hold in palm the PCB board.
As still further aspects of the invention: the top end face side fixedly connected with fan backup pad of unloading platform, and the top end face of fan backup pad has inlayed a plurality of last fans that are the whole row and distribute, the unloading platform top end face of going up fan below has inlayed down the fan correspondingly.
When the PCB is conveyed between the upper fan and the lower fan by the conical conductive wheel, the upper fan and the lower fan blow air to the PCB.
As still further aspects of the invention: the upper fan is opposite to the lower fan in blowing direction.
The air blown by the upper fan and the lower fan forms air convection so as to accelerate the air drying of the liquid tin on the PCB.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the feeding assembly, the overturning assembly, the clamping rotating assembly, the lifting tin feeding assembly, the limiting release assembly and the blanking assembly, the PCB can be rapidly and accurately transferred, so that the tin spraying efficiency can be improved, and the stability of the PCB in the transferring process is enhanced.
Drawings
FIG. 1 is a schematic view of a tin spraying machine according to an embodiment of the present invention;
FIG. 2 is an interior view of a housing in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a feeding assembly according to an embodiment of the present invention;
FIG. 4 is a side view of a loading assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a turnover assembly according to an embodiment of the present invention;
FIG. 6 is a side view of a flip assembly according to an embodiment of the present invention;
FIG. 7 is a schematic view of a clamping and rotating assembly according to an embodiment of the present invention;
FIG. 8 is a view showing the combination of a slat and a shaft in an embodiment of the present invention;
FIG. 9 is a schematic diagram of a lifting tin assembly according to an embodiment of the present invention;
FIG. 10 is a view of the combination of a cross plate and pneumatic jaws of an embodiment of the present invention;
FIG. 11 is a view showing the combination of the tin-plating holder and the pneumatic clamping jaw according to the embodiment of the invention;
FIG. 12 is a schematic view of a release limiting assembly according to an embodiment of the present invention;
FIG. 13 is a view showing the combination of a movable clamp block and a fixed clamp block in an embodiment of the present invention;
FIG. 14 is a schematic diagram of a blanking assembly according to an embodiment of the present invention;
FIG. 15 is a view showing the combination of a limiting optical axis and a screw in an embodiment of the present invention;
fig. 16 is a side view of a blanking assembly in an embodiment of the present invention.
In the figure: 1. a frame; 201. a feeding table; 202. a feeding side plate; 203. a feeding notch; 204. a left correction beam; 205. a right correction beam; 206. a feeding limit rod; 207. a feeding slide rail; 208. a stepping motor; 209. a feeding rotating shaft; 2010. conveying rollers; 2011. a correction cylinder; 2012. correcting the lifting plate; 2013. a right push middle rod; 2014. a feeding belt pulley; 2015. a conveying motor; 2016. a pushing motor; 2017. a pushing belt pulley; 2018. a left push middle rod; 2019. a pushing seat; 2020. a pushing rod; 301. turning over the bottom plate; 302. turning over the supporting plate; 303. a turnover motor; 304. turning over the seat; 305. a turnover lifting motor; 306. turning over the screw rod; 307. overturning the lifting seat; 308. overturning the limiting shaft; 309. turning over the clamping plate; 3010. overturning the limit seat; 401. a rotating frame; 402. a rotating electric machine; 403. a first fixed block; 404. a second fixed block; 405. a concave splint; 406. a linear bearing; 407. a spring post; 408. a long slat; 409. a cross plate; 4010. rectangular grooves; 4011. a shaft lever; 4012. a movable clip; 4013. a fixing clip; 4014. a torsion spring; 4015. a clamping cylinder; 4016. a push plate; 4017. a roller bearing; 501. lifting the bottom plate; 502. a lifting motor; 503. a tin fixing seat; 504. a tin-coated belt pulley; 505. a tin-coated belt; 506. a tin-plating limit rod; 507. a tin-plating limiting plate; 508. a tin lifting seat; 509. a tin coating clamping seat; 5010. a tin feeding cylinder; 5011. pneumatic clamping jaws; 5012. tin feeding pushing cylinder; 5013. a concave push plate; 601. releasing the bottom plate; 602. releasing the support plate; 603. releasing the rotating electric machine; 604. releasing the rotating seat; 605. releasing the lifting cylinder; 606. releasing the lifting seat; 607. a riser; 608. a vertical groove; 609. releasing the telescopic cylinder; 6010. a vertical connecting rod; 6011. releasing the limit seat; 6012. an adapter; 6013. a push-pull rod; 6014. a lever clamping block; 6015. releasing the top plate; 6016. a movable clamping block; 6017. fixing the clamping blocks; 701. a blanking table; 702. a fan support plate; 703. a top fan; 704. a lower fan; 705. blanking a movable side plate; 706. a blanking fixing side plate; 707. limiting an optical axis; 708. a screw rod; 709. a tapered idler wheel; 7010. a blanking notch; 7011. a blanking belt pulley; 7012. a pitch adjustment motor; 7013. a blanking motor; 8. a protective housing; 9. a feeding shell; 10. a blanking shell; 11. and a PCB board.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
As shown in fig. 1 to 16, the present embodiment provides a technical solution: the utility model provides a tin spraying machine, which comprises a frame 1, the top of frame 1 is equipped with protection casing 8, and one side fixedly connected with material loading casing 9 of frame 1, the below of material loading casing 9 is equipped with the material loading subassembly, the other side fixedly connected with unloading casing 10 of frame 1, and the below of unloading casing 10 is equipped with the unloading subassembly, protection casing 8's inside is equipped with the centre gripping rotating assembly, and be equipped with the upset subassembly between centre gripping rotating assembly and the material loading subassembly, one side of centre gripping rotating assembly is equipped with the lift and goes up the tin subassembly, and be equipped with spacing release subassembly between centre gripping rotating assembly and the unloading subassembly. Through a series of structures that set up, can improve the tin spraying efficiency to strengthen the stability in the PCB board 11 transfer process.
In this embodiment: the feeding assembly comprises a feeding table 201 fixed on one side of a frame 1, a feeding side plate 202 is fixedly connected to the edges of two sides of the top end face of the feeding table 201, a feeding notch 203 is formed in the middle of the feeding side plate 202, a left correction beam 204 and a right correction beam 205 are respectively arranged on two sides of the feeding notch 203, limiting sliding mechanisms are arranged at two ends of the left correction beam 204 and the right correction beam 205, a plurality of uniformly distributed left pushing rods 2018 are fixedly connected to the bottom end face of the left correction beam 204, a correction cylinder 2011 is fixedly connected to the middle position of the top end of the right correction beam 205, a correction lifting plate 2012 is fixedly connected to the bottom end face of the correction lifting plate 2012, a plurality of uniformly distributed right pushing rods 2013 are fixedly connected to the bottom end face of the correction lifting plate 2012, a roller conveying mechanism is arranged between the two feeding side plates 202, and a feeding pushing mechanism is arranged at the feeding notch 203 in the middle of the two feeding side plates 202. The PCB 11 to be sprayed with tin is placed on the roller conveying mechanism, the roller conveying mechanism drives the PCB 11 to move forwards, when the PCB 11 moves to the right push rod 2013, the correction cylinder 2011 operates to drive the correction lifting plate 2012 to lift, and then the right push rod 2013 is driven to lift to be the PCB 11 to be released, the PCB 11 continues to advance until the PCB 11 is blocked by the left push rod 2018, at the moment, the limiting sliding mechanism operates to push the PCB 11, and then the PCB 11 is pushed towards the overturning assembly through the feeding pushing mechanism.
In this embodiment: the roller conveying mechanism comprises a plurality of parallel feeding rotating shafts 209 movably connected between two feeding side plates 202, a plurality of conveying rollers 2010 which are uniformly distributed are fixedly connected to the outer side surfaces of the feeding rotating shafts 209, one end of each feeding rotating shaft 209 penetrates through the feeding side plate 202 and is fixedly connected with a feeding belt pulley 2014, a conveying motor 2015 is fixedly connected to the lower portion of each feeding notch 203, and the conveying motor 2015 is connected with each feeding belt pulley 2014 through belt transmission. When the PCB 11 is placed on the roller conveying mechanism, the conveying motor 2015 operates to drive the feeding belt pulley 2014 to rotate, and then drive the feeding rotating shaft 209 to rotate, and the conveying rollers 2010 follow the rotation of the feeding rotating shaft 209 to move the PCB 11 forward.
In this embodiment: the right push rod 2013 and the left push rod 2018 are both staggered from the conveying rollers 2010. This arrangement ensures that the right push rod 2013, left push rod 2018 do not interfere with the rotation of the transfer roller 2010.
In this embodiment: the bottom end of the left push rod 2018 is at a lower level than the top end of the conveyor roller 2010. This arrangement ensures that the PCB 11 cannot go beyond the left push rod 2018.
In this embodiment: the feeding pushing mechanism comprises a pushing motor 2016 fixed at one side of the bottom end of the feeding notch 203, a pushing belt pulley 2017 is arranged at the other side of the bottom end of the feeding notch 203, the output end of the pushing motor 2016 and the pushing belt pulley 2017 are in transmission through a conveying belt, a pushing seat 2019 fixedly connected with the conveying belt is arranged at one side of the pushing belt pulley 2017, and pushing rods 2020 are fixedly connected to two sides of one side face of the pushing seat 2019, which faces the pushing motor 2016. The specific process of pushing the PCB 11 towards the turnover assembly by the feeding pushing mechanism is that after the PCB 11 is pushed to the middle position, the pushing motor 2016 operates to drive the pushing pulley 2017 and the conveyor belt to rotate, the pushing seat 2019 at this time moves towards the turnover assembly along with the pushing pulley 2017, and the pushing rod 2020 moves along with the turnover assembly, so as to push the PCB 11 towards the turnover assembly.
In this embodiment: the limiting sliding mechanism comprises a feeding limiting rod 206 fixed below one ends of the left correcting cross beam 204 and the right correcting cross beam 205 and at the top end of the feeding side plate 202, one ends of the left correcting cross beam 204 and the right correcting cross beam 205 are sleeved on the feeding limiting rod 206 and are movable, a feeding slide rail 207 is fixedly connected below the other ends of the left correcting cross beam 204 and the right correcting cross beam 205 and at the top end of the feeding side plate 202, and the other ends of the left correcting cross beam 204 and the right correcting cross beam 205 are clamped on the feeding slide rail 207 and can move left and right on the feeding slide rail 207 through a stepping motor 208 fixed at one end of the feeding slide rail 207. The specific process of pushing the PCB 11 by the operation of the limiting sliding mechanism is that the stepping motor 208 operates to drive one ends of the left correcting beam 204 and the right correcting beam 205 to be far away from each other on the feeding sliding rail 207, at this time, the other ends of the left correcting beam 204 and the right correcting beam 205 move along on the feeding limiting rod 206, then, the correcting cylinder 2011 operates to drive the correcting lifting plate 2012 to descend, and the stepping motor 208 operates again to drive the left correcting beam 204 and the right correcting beam 205 to be close to each other, so as to drive the left pushing middle rod 2018 and the right pushing middle rod 2013 to be close to each other to push the PCB 11 to the middle position.
In this embodiment: the turnover assembly comprises a turnover bottom plate 301 fixed on the frame 1, a turnover supporting plate 302 is fixedly connected to one side of the top end face of the turnover bottom plate 301, a turnover motor 303 is fixedly connected to one side face of the turnover supporting plate 302, a turnover seat 304 is movably connected to the other side of the turnover supporting plate 302, the turnover seat 304 is fixedly connected with the output end of the turnover motor 303, and a lifting plate connecting mechanism is arranged at the top end of the turnover seat 304. The turning assembly is in a horizontal state in an initial state, that is, the lifting plate mechanism is horizontally located in the feeding notch 203, and when the feeding pushing mechanism pushes the PCB 11 to the side until the PCB contacts with the lifting plate mechanism, the turning motor 303 operates to drive the turning seat 304 to turn ninety degrees to erect, so that the lifting plate mechanism is driven to erect.
In this embodiment: the lifting plate mechanism comprises a turnover screw rod 306 penetrating through the top wall of the turnover seat 304, one side of the bottom end of the turnover seat 304 is fixedly connected with a turnover lifting motor 305, the output end of the turnover lifting motor 305 is connected with the bottom end of the turnover screw rod 306 through belt gear transmission, the outer side surface of the turnover screw rod 306 is in threaded connection with a turnover lifting seat 307, the side top end of the turnover lifting seat 307 is fixedly connected with a turnover clamping plate 309, a turnover limiting mechanism is arranged between the turnover clamping plate 309 and the turnover lifting seat 307, the top end of the turnover screw rod 306 is provided with a turnover limiting seat 3010, and the top end of the turnover screw rod 306 is clamped inside the turnover limiting seat 3010 and is rotatable. After the feeding pushing mechanism pushes the PCB 11 to the side, the edge of one side of the PCB 11 is clamped in the overturning clamping plate 309, at this time, the running stepping motor 208 drives the left correcting beam 204 and the right correcting beam 205 to be mutually far away to provide space for overturning the overturning assembly, after the overturning assembly overturns ninety degrees and stands up, the overturning lifting motor 305 runs to drive the overturning screw 306 to rotate, the overturning lifting seat 307 slowly ascends under the limiting action of the overturning limiting seat 3010 and the overturning limiting mechanism, and then drives the overturning clamping plate 309 and the PCB 11 on the overturning clamping plate 309 to vertically ascend, and after the overturning clamping rotating assembly ascends to a certain height, the overturning lifting seat is connected with the PCB 11.
In this embodiment: the turnover limiting mechanism comprises two turnover limiting shafts 308 which are arranged in parallel, the turnover limiting shafts 308 are fixed on one side of the turnover screw rod 306, and the two turnover limiting shafts 308 sequentially penetrate through the side walls of the turnover lifting seat 307 and the turnover limiting seat 3010. In the ascending process of the turnover lifting seat 307, the turnover limiting shaft 308 limits the turnover lifting seat 307, so that the turnover lifting seat 307 cannot rotate along with the turnover screw 306 and only can lift.
In this embodiment: the top ends of the two overturning limiting shafts 308 are fixedly connected with reinforcing blocks together. The arrangement of the reinforcing block improves the structural stability of the two overturning limiting shafts 308 and avoids offset.
In this embodiment: the side of the flip card 309 is provided with a bayonet slot. The bayonet slots are arranged to facilitate the overturning of the clamping plate 309 to clamp the edge of the PCB 11.
In this embodiment: the top end surface of the turnover bottom plate 301 and one side of the turnover seat 304 are fixedly connected with a limit supporting block, and the limit supporting block is contacted with the turnover seat 304 after the turnover seat 304 is turned ninety degrees outwards. After the turnover assembly finishes the feeding of the PCB 11, the turnover assembly turns ninety degrees again to return to the original position, and the limiting support block is arranged to drag the turnover assembly at the moment so as to ensure that the turnover assembly is in the horizontal position.
In this embodiment: the clamping rotating assembly comprises a rotating motor 402 movably connected to the top end of the frame 1, the top output end of the rotating motor 402 is fixedly connected with a rotating frame 401, the corner position of the bottom end of the rotating frame 401 is fixedly connected with a first fixing block 403, one side of the first fixing block 403 is fixedly connected with a second fixing block 404, a concave clamping plate 405 is arranged between the first fixing block 403 and the second fixing block 404, a linear bearing 406 is arranged between the concave clamping plate 405 and the first fixing block 403, an inner rod is movably connected to the inside of the linear bearing 406, spring columns 407 are fixedly connected to two sides of the linear bearing 406, a long slat 408 is arranged below the second fixing block 404, the top end of the long slat 408 is clamped between the second fixing block 404 and the concave clamping plate 405, a transverse plate 409 is fixedly connected to the top end of the side surface of the long slat 408, a plurality of uniformly distributed rectangular grooves 4010 are formed in the side surfaces of the long slat 408, and clamping mechanisms are arranged on two sides of the long slat 408. After the PCB 11 is sent to a certain height by the overturning assembly, the clamping mechanism clamps the PCB 11, the PCB 11 at the moment is transferred to the clamping rotating assembly, then the rotating motor 402 operates to drive the rotating frame 401 to rotate ninety degrees, the PCB 11 follows to rotate, and at the moment, the clamping rotating assembly gives the PCB 11 to the lifting tin feeding assembly.
In this embodiment: the fixture includes swing joint in the axostylus axostyle 4011 of lath 408 side, and the top swing joint of axostylus axostyle 4011 has the gyro wheel bearing 4017, fixedly connected with torsion spring 4014 on the axostylus axostyle 4011 lateral surface of gyro wheel bearing 4017 below, and the both ends of torsion spring 4014 support respectively in diaphragm 409 side and lath 408 side, the bottom fixedly connected with movable clip 4012 of axostylus axostyle 4011, the position fixedly connected with fixed clip 4013 of lath 408 bottom correspondence movable clip 4012, be equipped with on the frame 1 of swivel mount 401 both sides and push away gyro wheel mechanism. The specific use process of the clamping mechanism is that the roller pushing mechanism pushes the roller bearing 4017 to open towards two sides, the shaft rod 4011 at the moment rotates to drive the movable clamp 4012 to open, when the PCB 11 rises to a certain height to be located between the movable clamp 4012 and the fixed clamp 4013, the roller pushing mechanism returns to the original position, at the moment, the torsion spring 4014 drives the shaft rod 4011 to rotate to the original position, and then drives the movable clamp 4012 to close towards the fixed clamp 4013, and then the movable clamp 4012 and the fixed clamp 4013 clamp the PCB 11.
In this embodiment: the pushing roller mechanism comprises clamping cylinders 4015 fixed on the frames 1 on two sides of the rotating frame 401, and the output end of each clamping cylinder 4015 faces the rotating frame 401 and is fixedly connected with a pushing plate 4016. When the roller pushing mechanism operates, the clamping cylinder 4015 pushes the push plate 4016, and the push plate 4016 pushes the roller bearing 4017 to two sides after advancing to contact with the roller bearing.
In this embodiment: the roller bearing 4017 is at the same height as the push plate 4016. This arrangement ensures that the push plate 4016 pushes against the roller bearing 4017.
In this embodiment: teeth are provided on the opposite surfaces of the movable clip 4012 and the fixed clip 4013. The arrangement of the teeth can improve the stability of the movable clip 4012 and the fixed clip 4013 clamping the PCB 11.
In this embodiment: the inside of the spring post 407 is sleeved with a bending prevention mechanism. The anti-bending mechanism can prevent the spring post 407 from bending.
In this embodiment: the bending prevention mechanism comprises a limiting linear bearing fixed on the side face of the concave clamping plate 405, a limiting inner rod is movably connected inside the limiting linear bearing, and one end of the limiting inner rod is fixed on the side face of the first fixing block 403. When the spring post 407 compresses or expands, the limit inner rod moves along with the inside of the limit linear bearing, so that the spring post 407 is prevented from bending.
In this embodiment: the lifting tin feeding assembly comprises a lifting bottom plate 501 fixed on the frame 1 and a lifting motor 502 fixed above the lifting bottom plate 501, a tin feeding fixing seat 503 is fixedly connected to the top end of the lifting bottom plate 501, a tin feeding belt pulley 504 is movably connected to the side face of the tin feeding fixing seat 503, a tin feeding lifting seat 508 is fixedly connected to the outer side face of the tin feeding belt 505 through a tin feeding belt 505 in a transmission mode, a tin feeding clamping seat 509 is fixedly connected to the side face of the tin feeding lifting seat 508, a pneumatic clamping jaw 5011 is movably connected to one end of the tin feeding clamping seat 509, a tin feeding cylinder 5010 connected with the pneumatic clamping jaw 5011 is arranged in the tin feeding clamping seat 509, and a tin feeding limiting mechanism is arranged between the tin feeding clamping seat 509 and the lifting bottom plate 501. When the PCB 11 is transferred to the position of the lifting tin assembly by the clamping rotating assembly, firstly, the tin feeding cylinder 5010 operates to drive the pneumatic clamping jaw 5011 to clamp the transverse plate 409, then, the lifting motor 502 operates to drive the tin feeding belt 505 to rotate, the tin feeding lifting seat 508 descends along with the tin feeding belt 505, then, the pneumatic clamping jaw 5011 drives the long plate 408 and the PCB 11 to descend along with the long plate 408, the PCB 11 descends to a certain position to perform a tin spraying process, after tin spraying is completed, the lifting motor 502 operates again to lift the PCB 11 to a proper position and enable the long plate 408 and the PCB 11 to be held by the clamping rotating assembly again, and the rotating motor 402 of the clamping rotating assembly operates again to rotate ninety degrees to feed the PCB 11 to the limiting release assembly.
In this embodiment: the tin-plating limiting mechanism comprises two parallel tin-plating limiting rods 506 fixed on the top end surface of the lifting bottom plate 501, and the top ends of the tin-plating limiting rods 506 penetrate through the tin-plating lifting seats 508. In the process of lifting the tin lifting seat 508, the tin lifting limiting rod 506 limits the tin lifting seat 508 to move up and down only and not rotate.
In this embodiment: a tin-plating limiting plate 507 is fixedly connected between the two tin-plating limiting rods 506, and the top end of the tin-plating limiting plate 507 penetrates through a tin-plating lifting groove formed in the tin-plating lifting seat 508. The tin plating limiting plate 507 not only can further limit the tin plating lifting seat 508 to move up and down, but also can provide shielding protection for the tin plating belt 505 at the back.
In this embodiment: the top end and the bottom end of the outer side surfaces of the two tin-plating limit rods 506 are fixedly connected with limit sleeves. The spacing sleeve is arranged to prevent the upper tin lifting seat 508 from ascending or descending too far.
In this embodiment: the lifting tin feeding assembly further comprises a tin feeding pushing cylinder 5012, the tin feeding pushing cylinder 5012 is fixed at the top end edge of the frame 1 between the overturning assembly and the limiting release assembly, and the output end of the tin feeding pushing cylinder 5012 is fixedly connected with a concave push plate 5013. In the process of transferring the PCB 11 to the lifting tin-plating assembly by the clamping rotating assembly, the tin-plating pushing cylinder 5012 can make the process more convenient, namely, the tin-plating pushing cylinder 5012 operates to push the concave push plate 5013 to move towards the concave clamp plate 405, the concave clamp plate 405 is pushed to move inwards by the concave push plate 5013, at the moment, the inner rod is relatively displaced inside the linear bearing 406, the spring post 407 is compressed, the long clamp plate 408 clamped by the concave clamp plate 405 and the second fixed block 404 is loosened, then the lifting tin-plating assembly is convenient to drive the long clamp plate 408 to descend, and after the tin spraying process is completed, the lifting tin-plating assembly drives the long clamp plate 408 to ascend, and after the top end of the long clamp plate 408 reenters between the concave clamp plate 405 and the second fixed block 404, the tin-plating pushing cylinder 5012 operates to drive the concave push plate 5013 to return to the original position, at the moment, the spring post 407 releases elastic potential energy to push the concave clamp plate 405 towards the second fixed block 404, and then clamps the long clamp plate 408 again.
In this embodiment: the concave push plate 5013 has a groove facing the upper tin lift seat 508. This arrangement ensures that the concave push plate 5013 does not push against the second fixed block 404.
In this embodiment: the limiting release assembly comprises a release base plate 601 fixed on the frame 1, a release support plate 602 is fixedly connected to one side of the top end of the release base plate 601, a release rotating motor 603 is fixedly connected to the side face of the release support plate 602, the output end of the release rotating motor 603 penetrates through the release support plate 602 and is fixedly connected with a release rotating seat 604, the top end of the release rotating seat 604 is movably connected with a release lifting seat 606, the bottom end of the release rotating seat 604 is fixedly connected with a release lifting cylinder 605, the top output end of the release lifting cylinder 605 penetrates through the release rotating seat 604 and is fixedly connected with the bottom end face of the release lifting seat 606, two vertical plates 607 are fixedly connected with the top end face of the release lifting seat 606 and are placed in parallel, a vertical groove 608 is formed between the two vertical plates 607, and a lifting clamping mechanism is arranged inside the vertical groove 608. When the clamping rotating assembly transfers the PCB 11 to the limiting release assembly, firstly, the lifting clamping mechanism operates to catch the PCB 11, then, the release lifting cylinder 605 operates to drive the release lifting seat 606 to descend, then drive the vertical plate 607 and the lifting clamping mechanism to descend, finally, the release rotating motor 603 operates to drive the release rotating seat 604 to rotate ninety degrees, the vertical plate 607 is changed from the original vertical state to the horizontal state, and the limiting release assembly at this time sends the PCB 11 to the blanking assembly.
In this embodiment: the lifting clamping mechanism comprises a release telescopic cylinder 609 fixed at the bottom end of the vertical groove 608, the top output end of the release telescopic cylinder 609 is fixedly connected with a vertical connecting rod 6010, the top end of the vertical connecting rod 6010 is fixedly connected with an adapter 6012, the top of the adapter 6012 is movably connected with a push-pull rod 6013, and the top end of the push-pull rod 6013 is provided with a lever clamping mechanism. The specific work flow of the lifting clamping mechanism is that the telescopic cylinder 609 is released to operate so as to push the vertical connecting rod 6010 to ascend, then the adapter 6012 is pushed to ascend, the adapter 6012 pushes the push-pull rod 6013 upwards, and at the moment, the push-pull rod 6013 pushes the lever clamping mechanism to clamp the edge of the top end of the PCB 11.
In this embodiment: the lever clamping head mechanism comprises a lever clamping block 6014 movably connected to the top end of the push-pull rod 6013, a release top plate 6015 is fixedly connected to the top ends of the two vertical plates 607 together, a lever clamping groove is formed in the middle position of the side face of the release top plate 6015, the middle part of the lever clamping block 6014 is clamped in the lever clamping groove and is movably connected through a penetrating rotation pin, one end of the lever clamping block 6014 is fixedly connected with a movable clamping block 6016, and a side face bottom end of the release top plate 6015, close to the movable clamping block 6016, is fixedly connected with a fixed clamping block 6017. The lever chuck mechanism specifically operates such that when the push-pull rod 6013 pushes the lever clamp block 6014 of the lever chuck mechanism, the lever clamp block 6014 rotates in the lever clamp groove, the movable clamp block 6016 moves down and extends out towards the rotating motor 402 until the bottom end of the movable clamp block 6016 is flush with the bottom end of the fixed clamp block 6017, the PCB 11 is clamped between the movable clamp block 6016 and the fixed clamp block 6017, and then the lifting cylinder 605 is released to move to drive the lever chuck mechanism to descend, so that the edge of the top end of the PCB 11 is deeply clamped between the movable clamp block 6016 and the fixed clamp block 6017.
In this embodiment: a tooth bar is fixedly connected to one side surface of the fixed clamp block 6017 away from the release top plate 6015. The arrangement of the tooth strips can facilitate the fixing of the clamp block 6017 to better clamp the PCB 11.
In this embodiment: the release limit seat 6011 is fixedly connected to the middle position inside the vertical groove 608, and the top end of the vertical connecting rod 6010 penetrates through the release limit seat 6011. The release limit seat 6011 is provided to limit the vertical link 6010 to move up and down only.
In this embodiment: lifting guide rods are fixedly connected to four corners of the top end surface of the release rotary seat 604, and the top ends of the lifting guide rods penetrate through the release lifting seat 606. The lift guide bar improves the stability of the release lift seat 606 during lifting.
In this embodiment: the blanking assembly comprises a blanking table 701 fixed on the other side of the frame 1, a blanking movable side plate 705 is movably connected to one side edge of the top end surface of the blanking table 701, a blanking fixed side plate 706 is fixedly connected to the other side edge of the top end surface of the blanking table 701, blanking gaps 7010 are formed in the middles of the blanking movable side plate 705 and the blanking fixed side plate 706, a plurality of parallel conical guide wheels 709 are movably connected to the opposite side surfaces of the blanking movable side plate 705 and the blanking fixed side plate 706, a blanking belt pulley 7011 is fixedly connected to one end of each conical guide wheel 709, a blanking motor 7013 is fixedly connected to the lower portion of each blanking gap 7010, the blanking motor 7013 is connected with each blanking belt pulley 7011 through belt transmission, and a spacing adjusting mechanism is arranged between the blanking movable side plate 705 and the blanking fixed side plate 706. After the lever chuck mechanism clamps the PCB 11, the limiting release assembly turns over the PCB 11 ninety degrees to the blanking assembly, the turned limiting release assembly is located in the blanking notch 7010, the PCB 11 on the limiting release assembly is supported by the conical guide rollers 709, the blanking motor 7013 operates to drive the blanking pulleys 7011 to rotate, then the conical guide rollers 709 are driven to rotate, and the PCB 11 is driven to advance by the rotating conical guide rollers 709.
In this embodiment: the interval adjustment mechanism comprises a screw rod 708 positioned on two sides of a blanking notch 7010, one end of the screw rod 708 is movably connected to a blanking fixed side plate 706, the other end of the screw rod 708 penetrates through the blanking movable side plate 705 and is in threaded connection with the blanking movable side plate 705, two sides of the screw rod 708 are provided with a limiting optical axis 707, one end of the limiting optical axis 707 is movably connected to the blanking fixed side plate 706, the other end of the limiting optical axis 707 penetrates through the blanking movable side plate 705, an interval adjustment motor 7012 is fixedly connected to one side upper side of a blanking motor 7013, and the interval adjustment motor 7012 is connected with one end of the screw rod 708 through belt transmission. When the space between the conical guide wheels 709 at two sides is insufficient to support the PCB 11, the screw 708 is driven to rotate only by the operation of the space adjusting motor 7012, at this time, the blanking movable side plate 705 moves along the screw 708 under the limiting action of the limiting optical axis 707, and then the space between the blanking fixed side plate 706 and the blanking movable side plate 705 is adjusted.
In this embodiment: a spacing limiting sleeve is fixedly connected to the outer side surface of the spacing optical axis 707. The spacing sleeve prevents the movable blanking side plate 705 from being too close to the fixed blanking side plate 706.
In this embodiment: the cross-sectional diameter of the tapered pulley 709 gradually decreases from the top edge of the table 701 toward the middle of the top of the table 701. This arrangement ensures that the tapered guide pulley 709 better supports the PCB 11.
In this embodiment: a fan support plate 702 is fixedly connected to one side of the top end surface of the blanking table 701, a plurality of upper fans 703 are embedded in the top end surface of the fan support plate 702, and a lower fan 704 is embedded in the top end surface of the blanking table 701 below the upper fans 703. When the PCB 11 is conveyed between the upper fan 703 and the lower fan 704 by the tapered guide roller 709, the upper fan 703 and the lower fan 704 blow air to the PCB 11.
In this embodiment: the upper fan 703 is opposite to the blowing direction of the lower fan 704. The air blown by the upper fan 703 and the lower fan 704 forms air convection to accelerate the liquid tin on the PCB 11.
The working principle of the invention is as follows: firstly, the PCB 11 to be sprayed with tin is placed on a roller conveying mechanism, the roller conveying mechanism drives the PCB 11 to move forwards, when the PCB is moved to a right push rod 2013, a correction cylinder 2011 operates to drive a correction lifting plate 2012 to lift, then the right push rod 2013 is driven to lift to be the PCB 11 to be released, the PCB 11 continues to advance until the PCB 11 is blocked by a left push rod 2018, at the moment, a limit sliding mechanism operates to push the PCB 11, and then the PCB 11 is pushed towards a turnover assembly through a feeding pushing mechanism. The initial state of the turnover assembly is in a horizontal state, namely, the lifting plate mechanism is horizontally located in the feeding notch 203, after the feeding pushing mechanism pushes the PCB 11 sideways, one side edge of the PCB 11 is clamped in the turnover clamping plate 309, at this time, the running stepping motor 208 drives the left correction beam 204 and the right correction beam 205 to be far away from each other to provide space for the turnover assembly to turn over, after the turnover assembly turns over ninety degrees and stands up, the turnover lifting motor 305 operates to drive the turnover screw 306 to rotate, the turnover lifting seat 307 slowly rises under the limiting action of the turnover limiting seat 3010 and the turnover limiting mechanism, and then drives the turnover clamping plate 309 and the PCB 11 thereon to vertically rise, and after the turnover clamping plate rises to a certain height, the turnover assembly is connected with the PCB 11. After the PCB 11 is sent to a certain height by the overturning assembly, the clamping mechanism clamps the PCB 11, the PCB 11 at the moment is transferred to the clamping rotating assembly, then the rotating motor 402 operates to drive the rotating frame 401 to rotate ninety degrees, the PCB 11 follows to rotate, and at the moment, the clamping rotating assembly gives the PCB 11 to the lifting tin feeding assembly. When the PCB 11 is transferred to the position of the lifting tin-plating assembly by the clamping rotating assembly, firstly, the tin-plating cylinder 5010 operates to drive the pneumatic clamping jaw 5011 to clamp the transverse plate 409, then, the tin-plating pushing cylinder 5012 operates to push the concave push plate 5013 to move towards the concave clamping plate 405, the concave clamping plate 405 is pushed inwards by the concave push plate 5013, the inner rod at the moment relatively displaces inside the linear bearing 406, the spring post 407 is compressed, the long plate 408 clamped by the concave clamping plate 405 and the second fixed block 404 is loosened, then, the lifting motor 502 operates to drive the tin-plating belt 505 to rotate, the tin-plating lifting seat 508 follows the tin-plating belt 505 to descend, then, the long plate 408 and the PCB 11 are driven to descend by the pneumatic clamping jaw 5011, the PCB 11 descends to a certain position, then, the tin spraying process is carried out, after the tin spraying process is completed, the lifting tin-plating assembly drives the long plate 408 to ascend, after the top end of the long plate 408 reenters between the concave clamping plate 405 and the second fixed block 404, the tin-plating pushing cylinder 5012 operates to drive the concave clamping plate 408 to rotate, the position of the long plate 408 is restored, the elastic clamping plate 408 is released again, and the clamping assembly is rotated by nine-side position-holding the long plate 408, and the clamping assembly is rotated again, thereby releasing the potential energy of the PCB 11 to rotate again, and the clamping assembly is clamped by the clamping assembly is rotated again, and the PCB 11. When the clamping rotating assembly transfers the PCB 11 to the limiting release assembly, firstly, the lifting clamping mechanism operates to catch the PCB 11, then, the lifting cylinder 605 operates to drive the lifting seat 606 to descend, further drive the vertical plate 607 and the lifting clamping mechanism to descend, finally, the rotating motor 603 operates to drive the rotating seat 604 to rotate ninety degrees, the vertical plate 607 is changed from the original vertical state to the horizontal state, the limiting release assembly sends the PCB 11 to the blanking assembly, specifically, after the lever clamping mechanism clamps the PCB 11, the limiting release assembly overturns the PCB 11 ninety degrees to the blanking assembly, the overturned limiting release assembly sits in the blanking notch 7010, the PCB 11 on the limiting release assembly is supported by the conical guide wheels 709, the blanking motor 7013 operates to drive the blanking pulleys 7011 to rotate, and then drive the conical guide wheels 709 to rotate, and the PCB 11 is driven to advance by the rotating conical guide wheels 709.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (14)
1. The utility model provides a tin spraying machine, its characterized in that, includes the frame, the top of frame is equipped with the protection casing, and a side fixedly connected with material loading casing of frame, the below of material loading casing is equipped with the material loading subassembly, another side fixedly connected with unloading casing of frame, and the below of unloading casing is equipped with the unloading subassembly, the inside of protection casing is equipped with the centre gripping rotating assembly, and is equipped with the upset subassembly between centre gripping rotating assembly and the material loading subassembly, one side of centre gripping rotating assembly is equipped with the lift and goes up tin subassembly, and is equipped with spacing release subassembly between centre gripping rotating assembly and the unloading subassembly, wherein: the feeding assembly comprises a feeding table fixed on one side of the frame, two side edges of the top end face of the feeding table are fixedly connected with feeding side plates, a feeding notch is formed in the middle position of each feeding side plate, a left correction cross beam and a right correction cross beam are respectively arranged on two sides of each feeding notch, limiting sliding mechanisms are arranged at two ends of each left correction cross beam and each right correction cross beam, a plurality of uniformly distributed left pushing rods are fixedly connected with the bottom end face of each left correction cross beam, correction cylinders are fixedly connected with the middle positions of the top ends of each right correction cross beam, the bottom output ends of the correction cylinders penetrate through the right correction cross beams and are fixedly connected with correction lifting plates, a plurality of uniformly distributed right pushing rods are fixedly connected with the bottom end faces of the correction lifting plates, roller conveying mechanisms are arranged between the two feeding side plates, and feeding pushing mechanisms are arranged at the feeding notch positions of the middle positions of the two feeding side plates; the turnover assembly comprises a turnover bottom plate fixed on the frame, one side of the top end face of the turnover bottom plate is fixedly connected with a turnover supporting plate, one side of the turnover supporting plate is fixedly connected with a turnover motor, the other side of the turnover supporting plate is movably connected with a turnover seat, the turnover seat is fixedly connected with the output end of the turnover motor, and the top end of the turnover seat is provided with a lifting plate connecting mechanism; the clamping rotating assembly comprises a rotating motor movably connected to the top end of the frame, the top output end of the rotating motor is fixedly connected with a rotating frame, the corner position of the bottom end of the rotating frame is fixedly connected with a first fixed block, one side of the first fixed block is fixedly connected with a second fixed block, a concave clamping plate is arranged between the first fixed block and the second fixed block, a linear bearing is arranged between the concave clamping plate and the first fixed block, an inner rod is movably connected to the inside of the linear bearing, spring columns are fixedly connected to the two sides of the linear bearing, a long slat is arranged below the second fixed block, the top end of the long slat is clamped between the second fixed block and the concave clamping plate, the side surface top end of the long slat is fixedly connected with a transverse plate, a plurality of uniformly distributed rectangular grooves are formed in the side surface of the long slat, and clamping mechanisms are arranged on the two sides of the long slat; the lifting tin feeding assembly comprises a lifting bottom plate fixed on the frame and a lifting motor fixed above the lifting bottom plate, a tin feeding fixing seat is fixedly connected to the top end of the lifting bottom plate, a tin feeding belt pulley is movably connected to the side face of the tin feeding fixing seat, the tin feeding belt pulley and the output end of the lifting motor are driven by a tin feeding belt, a tin feeding lifting seat is fixedly connected to the outer side face of the tin feeding belt, a tin feeding clamping seat is fixedly connected to the side face of the tin feeding lifting seat, a pneumatic clamping jaw is movably connected to one end of the tin feeding clamping seat, a tin feeding cylinder connected with the pneumatic clamping jaw is arranged inside the tin feeding clamping seat, and a tin feeding limiting mechanism is arranged between the tin feeding clamping seat and the lifting bottom plate; the limiting release assembly comprises a release bottom plate fixed on the frame, a release supporting plate is fixedly connected to one side of the top end of the release bottom plate, a release rotating motor is fixedly connected to the side surface of the release supporting plate, the output end of the release rotating motor penetrates through the release supporting plate and is fixedly connected with a release rotating seat, the top end of the release rotating seat is movably connected with a release lifting seat, the bottom end of the release rotating seat is fixedly connected with a release lifting cylinder, the top output end of the release lifting cylinder penetrates through the release rotating seat and is fixedly connected with the bottom end surface of the release lifting seat, the top end surface of the release lifting seat is fixedly connected with two vertical plates which are placed in parallel, a vertical groove is formed between the two vertical plates, and a lifting clamping mechanism is arranged inside the vertical groove; the blanking assembly comprises a blanking table fixed on the other side of the frame, a blanking movable side plate is movably connected to one side edge of the top end face of the blanking table, a blanking fixed side plate is fixedly connected to the other side edge of the top end face of the blanking table, blanking gaps are formed in the middles of the blanking movable side plate and the blanking fixed side plate, a plurality of parallel conical guide wheels are movably connected to the opposite side faces of the blanking movable side plate and the blanking fixed side plate, one end of each conical guide wheel is fixedly connected with a blanking belt pulley, a blanking motor is fixedly connected to the lower portion of each blanking gap, the blanking motor is connected with each blanking belt pulley through belt transmission, and a spacing adjusting mechanism is arranged between each blanking movable side plate and each blanking fixed side plate.
2. The tin spraying machine according to claim 1, wherein the roller conveying mechanism comprises a plurality of parallel feeding rotating shafts movably connected between two feeding side plates, a plurality of conveying rollers which are uniformly distributed are fixedly connected to the outer side face of the feeding rotating shafts, one end of each feeding rotating shaft penetrates through the corresponding feeding side plate and is fixedly connected with a feeding belt pulley, a conveying motor is fixedly connected to the lower portion of each feeding notch, and the conveying motor is in transmission connection with each feeding belt pulley through a belt.
3. The tin spraying machine according to claim 1, wherein the feeding pushing mechanism comprises a pushing motor fixed at one side of the bottom end of the feeding notch, a pushing belt pulley is arranged at the other side of the bottom end of the feeding notch, the output end of the pushing motor is driven by the pushing belt pulley through a conveying belt, a pushing seat fixedly connected with the conveying belt is arranged at one side of the pushing belt pulley, and pushing rods are fixedly connected to two sides of one side face of the pushing seat facing the pushing motor.
4. The tin spraying machine according to claim 1, wherein the limiting sliding mechanism comprises a feeding limiting rod fixed below one ends of the left correcting cross beam and the right correcting cross beam and at the top end of the feeding side plate, one ends of the left correcting cross beam and the right correcting cross beam are sleeved on the feeding limiting rod and are movable, a feeding slide rail is fixedly connected below the other ends of the left correcting cross beam and the right correcting cross beam and at the top end of the feeding side plate, and the other ends of the left correcting cross beam and the right correcting cross beam are clamped on the feeding slide rail and can move left and right on the feeding slide rail through a stepping motor with one end fixed on the feeding slide rail.
5. The tin spraying machine according to claim 1, wherein the lifting plate mechanism comprises a turnover screw rod penetrating through the top wall of the turnover seat, a turnover lifting motor is fixedly connected to one side of the bottom end of the turnover seat, the output end of the turnover lifting motor is connected with the bottom end of the turnover screw rod through a belt gear in a transmission mode, the outer side face of the turnover screw rod is in threaded connection with the turnover lifting seat, the side face top end of the turnover lifting seat is fixedly connected with a turnover clamping plate, a turnover limiting mechanism is arranged between the turnover clamping plate and the turnover lifting seat, the top end of the turnover screw rod is provided with a turnover limiting seat, and the top end of the turnover screw rod is clamped inside the turnover limiting seat and can rotate.
6. The tin spraying machine according to claim 5, wherein the turnover limiting mechanism comprises two turnover limiting shafts which are arranged in parallel, the turnover limiting shafts are fixed on one side of the turnover screw rod, and the two turnover limiting shafts sequentially penetrate through the side walls of the turnover lifting seat and the turnover limiting seat.
7. The tin spraying machine according to claim 1, wherein the clamping mechanism comprises a shaft rod movably connected to the side surface of the long slat, a roller bearing is movably connected to the top end of the shaft rod, a torsion spring is fixedly connected to the outer side surface of the shaft rod below the roller bearing, two ends of the torsion spring respectively abut against the side surface of the transverse slat and the side surface of the long slat, a movable clip is fixedly connected to the bottom end of the shaft rod, a fixed clip is fixedly connected to the bottom end of the long slat corresponding to the position of the movable clip, and a roller pushing mechanism is arranged on the rack on two sides of the rotating frame.
8. The tin spraying machine according to claim 7, wherein the pushing roller mechanism comprises clamping cylinders fixed on the frames at two sides of the rotating frame, and output ends of the clamping cylinders face the rotating frame and are fixedly connected with pushing plates.
9. The tin spraying machine according to claim 1, wherein the tin-plating limiting mechanism comprises two parallel tin-plating limiting rods fixed on the top end face of the lifting base plate, and the top ends of the tin-plating limiting rods penetrate through the tin-plating lifting base.
10. The tin spraying machine according to claim 9, wherein the lifting tin feeding assembly further comprises a tin feeding pushing cylinder, the tin feeding pushing cylinder is fixed at the edge of the top end of the frame between the overturning assembly and the limiting release assembly, and the output end of the tin feeding pushing cylinder is fixedly connected with a concave push plate.
11. The tin spraying machine according to claim 1, wherein the lifting clamping mechanism comprises a release telescopic cylinder fixed at the bottom end of the vertical groove, the top output end of the release telescopic cylinder is fixedly connected with a vertical connecting rod, the top end of the vertical connecting rod is fixedly connected with an adapter, the top of the adapter is movably connected with a push-pull rod, and the top end of the push-pull rod is provided with a lever clamping mechanism.
12. The tin spraying machine according to claim 11, wherein the lever clamping mechanism comprises a lever clamping block movably connected to the top end of the push-pull rod, the top ends of the two vertical plates are fixedly connected with a release top plate together, a lever clamping groove is formed in the middle position of the side face of the release top plate, the middle part of the lever clamping block is clamped in the lever clamping groove and movably connected through a through rotation pin, one end of the lever clamping block is fixedly connected with a movable clamping block, and a fixed clamping block is fixedly connected to the bottom end of one side face of the release top plate, which is close to the movable clamping block.
13. The tin spraying machine according to claim 1, wherein the interval adjusting mechanism comprises a screw rod positioned at two sides of the blanking notch, one end of the screw rod is movably connected to the blanking fixed side plate, the other end of the screw rod passes through the blanking movable side plate and is in threaded connection with the blanking movable side plate, two sides of the screw rod are provided with limiting optical axes, one end of each limiting optical axis is movably connected to the blanking fixed side plate, the other end of each limiting optical axis passes through the blanking movable side plate, an interval adjusting motor is fixedly connected to one side upper part of the blanking motor, and the interval adjusting motor is connected with one end of the screw rod through a belt.
14. The tin spraying machine of claim 13, wherein a fan supporting plate is fixedly connected to one side of a top end surface of the blanking table, a plurality of upper fans distributed in an array are embedded in the top end surface of the fan supporting plate, and a lower fan is correspondingly embedded in the top end surface of the blanking table below the upper fans.
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| CN202210212643.7A CN114686791B (en) | 2022-03-04 | 2022-03-04 | Tin spraying machine |
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| CN202210212643.7A CN114686791B (en) | 2022-03-04 | 2022-03-04 | Tin spraying machine |
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| CN116017865A (en) * | 2023-02-24 | 2023-04-25 | 武汉华工激光工程有限责任公司 | PCB pin laser glue removing device and method |
| CN116262965B (en) * | 2023-05-17 | 2024-02-09 | 武平县骏达电子科技有限公司 | Lead-free tin spraying system and equipment for circuit board |
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