CN220284190U - Automatic tin spraying machine - Google Patents
Automatic tin spraying machine Download PDFInfo
- Publication number
- CN220284190U CN220284190U CN202223322859.3U CN202223322859U CN220284190U CN 220284190 U CN220284190 U CN 220284190U CN 202223322859 U CN202223322859 U CN 202223322859U CN 220284190 U CN220284190 U CN 220284190U
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- Prior art keywords
- tin
- fixedly connected
- lifting
- feeding
- seat
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 238000005507 spraying Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000001179 sorption measurement Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000007747 plating Methods 0.000 abstract description 42
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 2
- 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 75
- 230000007306 turnover Effects 0.000 description 69
- 230000000670 limiting effect Effects 0.000 description 59
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change 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
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 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
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Abstract
The utility model discloses an automatic tin spraying machine, which belongs to the field of tin spraying machines and comprises a frame, wherein a protective shell is arranged at the top end of the frame, a clamping rotating assembly is arranged in the protective shell, and a lifting tin feeding assembly is arranged at one side of the clamping rotating assembly; lifting tin-plating assembly specifically includes: the lifting base is fixed on the frame, the lifting motor is fixed above the lifting base, the top end of the lifting base is fixedly connected with a tin fixing seat, the side face of the tin fixing seat is movably connected with a tin feeding belt pulley, the tin feeding belt pulley and the output end of the lifting motor are in transmission through a tin feeding belt, the tin feeding lifting seat is fixedly connected on the outer side face of the tin feeding belt, the tin feeding clamping seat is fixedly connected on the side face of the tin feeding lifting seat, and one end of the tin feeding clamping seat is fixedly connected with the electromagnetic adsorption mechanism. According to the utility model, through the electromagnetic adsorption mechanism, the stability of the PCB board when the PCB board descends to spray tin can be improved, and the phenomenon that the tin spraying effect is not ideal due to the deviation of the PCB board is avoided.
Description
Technical Field
The utility model relates to the field of PCB processing, in particular to an automatic 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: when the PCB is driven to descend to spray tin, the PCB is easy to deviate, so that the tin spraying effect is not ideal. Accordingly, one skilled in the art would be able to provide an automated tin spraying machine that solves the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide an automatic tin spraying machine, which can improve the stability of a PCB (printed circuit board) when tin spraying is reduced by an electromagnetic adsorption mechanism, and avoid the problem of unsatisfactory tin spraying effect caused by deviation of the PCB so as to solve the problem in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an automatic tin spraying machine comprises a frame, wherein a protective shell is arranged at the top end of the frame, a clamping rotating assembly is arranged in the protective shell, and a lifting tin feeding assembly is arranged on one side of the clamping rotating assembly; the lifting tin coating assembly specifically comprises: the device comprises a lifting bottom plate fixed on a frame and a lifting motor fixed above the lifting bottom plate, wherein 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 surface 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 surface of the tin feeding belt, a tin feeding clamping seat is fixedly connected to the side surface of the tin feeding lifting seat, and an electromagnetic adsorption mechanism is fixedly connected to one end of the tin feeding clamping seat; the clamping rotating assembly specifically comprises: swing joint is at the rotating electrical machines on frame top, and the top output fixedly connected with swivel mount of rotating electrical machines, the first fixed block of bottom corner position fixedly connected with of swivel mount, and one side swing joint of first fixed block has the second fixed block, the opposite side of first fixed block is equipped with concave splint, and is equipped with linear bearing between concave splint and the first fixed block, the inside swing joint of linear bearing has the inner rod, and linear bearing's both sides fixedly connected with spring post, second fixed block below is equipped with the rectangular board, and the rectangular board top is pressed from both sides between second fixed block and first fixed block, the side top fixedly connected with iron plate of rectangular board, and a plurality of evenly distributed's rectangular slot has been seted up to the side of rectangular board, the both sides of rectangular board are equipped with fixture.
As a further scheme of the utility model: the electromagnetic adsorption mechanism specifically comprises: the cylinder fixing frame is fixed at one end of the tin-feeding clamping seat, the tin-feeding telescopic cylinder is fixedly connected inside the cylinder fixing frame, an output shaft of the tin-feeding telescopic cylinder penetrates through the cylinder fixing frame and is fixedly connected with the transverse supporting plate, a longitudinal supporting plate is fixedly connected to one side of the top end face of the transverse supporting plate, and an electromagnet is fixedly connected to one side face of the longitudinal supporting plate.
As still further aspects of the utility model: the bottom fixedly connected with bar backup pad of cylinder mount, and the top face one side fixedly connected with of bar backup pad two last tin slide rails that parallel, the top sliding connection of going up the tin slide rail has last tin slide, and goes up tin slide top and horizontal backup pad fixed connection.
As still further aspects of the utility model: guide rods are fixedly connected to two sides of the electromagnet, and slotted holes matched with the guide rods are formed in the positions, corresponding to the guide rods, of the side faces of the iron plates.
As still further aspects of the utility model: the slot holes coincide with the corresponding rectangular slots.
As still further aspects of the utility model: the lifting tinning assembly further comprises a concave supporting frame, the concave supporting frame is fixed on the top end face of the rack on one side of the clamping rotating assembly, a tinning pushing cylinder is fixedly connected to the inside of the concave supporting frame, and the output end of the tinning pushing cylinder is aligned with the concave clamping plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. this application can improve the stability when the PCB board descends to remove the tin spraying through the electromagnetism adsorption device that sets up, avoids the PCB board to appear the skew tin spraying effect that leads to not ideal, and then guarantees the uniformity of tin spraying thickness.
2. According to the device, the position of the tinning pushing cylinder is changed, the tinning pushing cylinder pushes the long slat and the PCB outwards from inside, and compared with the release of the long slat by pushing the long slat from outside to inside, the top of the long slat can be effectively prevented from inclining, and the overall stability is improved.
Drawings
FIG. 1 is a schematic view of a tin spraying machine according to an embodiment of the present utility model;
FIG. 2 is an interior view of a housing in an embodiment of the utility model;
FIG. 3 is a schematic structural diagram of a feeding assembly according to an embodiment of the present utility model;
FIG. 4 is a side view of a loading assembly according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a turnover assembly according to an embodiment of the present utility model;
FIG. 6 is a side view of a flip assembly according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a clamping and rotating assembly according to an embodiment of the present utility model;
fig. 8 is a combination view of a guide bar and an iron plate according to an embodiment of the present utility model;
FIG. 9 is a view showing the combination of the tin-plated pushing cylinder and the concave clamping plate in the embodiment of the utility model;
FIG. 10 is a schematic diagram of a lifting tin assembly according to an embodiment of the present utility model;
FIG. 11 is a schematic structural diagram of an electromagnetic adsorption mechanism according to an embodiment of the present utility model;
FIG. 12 is a schematic view of a release limiting assembly according to an embodiment of the present utility model;
FIG. 13 is a view showing the combination of a movable clamp block and a fixed clamp block in an embodiment of the present utility model;
FIG. 14 is a schematic diagram of a blanking assembly according to an embodiment of the present utility model;
FIG. 15 is a view showing the combination of a limiting optical axis and a screw in an embodiment of the present utility model;
fig. 16 is a side view of a blanking assembly in an embodiment of the present utility model.
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. an iron 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 cylinder fixing frame; 5011. a bar-shaped support plate; 5012. a tin-plating telescopic cylinder; 5013. a tin-plating slide rail; 5014. a tin-plating sliding seat; 5015. a transverse support plate; 5016. a longitudinal support plate; 5017. an electromagnet; 5018. a guide rod; 5019. a concave supporting frame; 5020. tin feeding pushing cylinder; 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
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 16, the present embodiment provides a technical solution: the utility model provides an automatic change 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 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 movably connected with a second fixing block 404, the other side of the first fixing block 403 is provided with a concave clamping plate 405, 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 linear bearing 406, two sides of the linear bearing 406 are fixedly connected with spring columns 407, 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 first fixing block 403, the top end of the side face of the long slat 408 is fixedly connected with an iron plate 409, a plurality of uniformly distributed rectangular grooves 4010 are formed in the side face 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 slat 408 side, and the top swing joint of axostylus axostyle 4011 has roller bearing 4017, fixedly connected with torsion spring 4014 on the axostylus axostyle 4011 lateral surface of roller bearing 4017 below, and the both ends of torsion spring 4014 support in slat 408 side, the bottom fixedly connected with movable clip 4012 of axostylus axostyle 4011, the position fixedly connected with fixed clip 4013 that the movable clip 4012 corresponds in slat 408 bottom, 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 second fixing block 404. 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-plating 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-plating fixing seat 503 is fixedly connected to the top end of the lifting bottom plate 501, a tin-plating belt pulley 504 is movably connected to the side face of the tin-plating fixing seat 503, a tin-plating belt pulley 504 is driven with the output end of the lifting motor 502 through a tin-plating belt 505, a tin-plating lifting seat 508 is fixedly connected to the outer side face of the tin-plating belt 505, a tin-plating clamping seat 509 is fixedly connected to the side face of the tin-plating lifting seat 508, and an electromagnetic adsorption mechanism is fixedly connected to one end of the tin-plating clamping seat 509. Through the electromagnetic adsorption mechanism that sets up, can improve the stability when PCB board 11 descends to remove the tin spraying, avoid PCB board 11 to appear the skew and lead to the tin spraying effect not ideal.
In this embodiment: the electromagnetic adsorption mechanism specifically comprises: the cylinder fixing frame 5010 fixed at one end of the tin fixing seat 509, the tin-feeding telescopic cylinder 5012 is fixedly connected to the inside of the cylinder fixing frame 5010, an output shaft of the tin-feeding telescopic cylinder 5012 penetrates through the cylinder fixing frame 5010 and is fixedly connected with the transverse supporting plate 5015, the longitudinal supporting plate 5016 is fixedly connected to one side of the top end face of the transverse supporting plate 5015, and the electromagnet 5017 is fixedly connected to one side face of the longitudinal supporting plate 5016. The electromagnet 5017 is energized to generate magnetism to thereby attract the fixing iron plate 409, thereby fixing the long strip plate 408 and the PCB board 11 thereunder.
In this embodiment: the bottom fixedly connected with bar backup pad 5011 of cylinder mount 5010, and the top face one side fixedly connected with of bar backup pad 5011 go up tin slide rail 5013 that two are parallel, go up tin slide rail 5013's top sliding connection has and goes up tin slide 5014, and go up tin slide 5014 top and horizontal backup pad 5015 fixed connection. The stability of the lateral support plate 5015 during the lateral movement can be improved by the cooperation of the tin slide 5013 and the tin slide 5014.
In this embodiment: guide rods 5018 are fixedly connected to two sides of the electromagnet 5017, and slotted holes matched with the side faces of the iron plates 409 are formed in the positions corresponding to the guide rods 5018. The cooperation of guide arm 5018 and slotted hole is used can let electro-magnet 5017 accurately aim at iron plate 409, guarantees the accuracy of both butt joints, and guide arm 5018 inserts in the slotted hole and can further improve the stability that rectangular plate 408 and PCB board 11 go up and down.
In this embodiment: the slots coincide with the corresponding rectangular slots 4010. This arrangement avoids the guide rod 5018 not being able to penetrate into the slot against the slat 408.
In this embodiment: the lifting tin feeding assembly further comprises a concave supporting frame 5019, the concave supporting frame 5019 is fixed on the top end face of the frame 1 on one side of the clamping rotating assembly, a tin feeding pushing cylinder 5020 is fixedly connected to the inside of the concave supporting frame 5019, and the output end of the tin feeding pushing cylinder 5020 is aligned with the concave clamping plate 405. This arrangement serves to release the clamped long slat 408.
In this embodiment: a tin-plating limiting mechanism is arranged between the tin-plating clamping seat 509 and the lifting bottom plate 501, and 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 seat 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 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 utility model 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 rotary component is clamped to transfer the PCB 11 to the position of the lifting tin-plating component, firstly, the tin-plating telescopic cylinder 5012 operates to drive the transverse supporting plate 5015 to advance, the longitudinal supporting plate 5016 and the electromagnets 5017 on the longitudinal supporting plate 5016 move forward until the guide rods 5018 on the two sides of the electromagnets 5017 are inserted into the slots, the electromagnets 5017 are attached to the iron plates 409, at the moment, the electromagnets 5017 generate magnetic attraction to the iron plates 409, then the tin-plating push cylinder 5020 operates to push the concave clamping plate 405 to move towards the first fixing block 403, at the moment, the inner rod is relatively displaced inside the linear bearing 406, the spring post 407 is compressed, the long slat 408 clamped by the first fixing block 403 and the second fixing block 404 is loosened, then the lifting tin-plating component is conveniently lifted to drive the long slat 408 to descend, then, the lifting motor 502 operates to drive the tin-plating belt 505 to rotate, the tin-plating lifting seat 508 descends along with the tin-plating belt 505, then the long slat 408 and the PCB 11 are driven to descend along with the PCB 11 to descend along with the electromagnetic adsorption mechanism, the PCB 11 is subjected to a tin spraying process after the tin-plating process is lowered to a certain position, the tin-plating motor 5020 is completed, the inner rod moves towards the first fixing block 403, the inner rod at the moment is relatively displaced inside the linear bearing 406, the spring post 407 is compressed, the long slat 408 is clamped by the second fixing block 404, the long slat 408 is lifted by the second fixing block, the long slat 408 is lifted up and the long slat 408 is again, and the long slat 408 is held by the lifting motor is lifted by the lifting motor, and then the long slat 408 is held by the long lifting plate 408, and is in position by the lifting position, and is held by the lifting and is then lifted by the lifting, and is held by the lifting, and lowered by the lifting. The rotary motor 402 holding the rotary assembly is again operated to rotate ninety degrees to feed the PCB 11 to the limit release assembly. 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.
This application can improve the stability when PCB board 11 descends to spout tin through the electromagnetism adsorption device who sets up, avoids PCB board 11 to appear the skew and leads to spout tin effect inequality, and then guarantees the uniformity of spout tin thickness. Through having changed the position that tin-plating promoted the cylinder 5020, tin-plating promoted the cylinder 5020 and outwards pushed release slat 408 and PCB board 11 from inside, compared with outside-in direct promotion release, can effectively prevent slat 408 top slope, improves overall stability.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed equally within the scope of the present utility model.
Claims (6)
1. An automatic tin spraying machine is characterized by comprising a frame, wherein a protective shell is arranged at the top end of the frame, a clamping rotating assembly is arranged in the protective shell, and a lifting tin feeding assembly is arranged at one side of the clamping rotating assembly;
the lifting tin coating assembly specifically comprises: the device comprises a lifting bottom plate fixed on a frame and a lifting motor fixed above the lifting bottom plate, wherein 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 surface 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 surface of the tin feeding belt, a tin feeding clamping seat is fixedly connected to the side surface of the tin feeding lifting seat, and an electromagnetic adsorption mechanism is fixedly connected to one end of the tin feeding clamping seat;
the clamping rotating assembly specifically comprises: swing joint is at the rotating electrical machines on frame top, and the top output fixedly connected with swivel mount of rotating electrical machines, the first fixed block of bottom corner position fixedly connected with of swivel mount, and one side swing joint of first fixed block has the second fixed block, the opposite side of first fixed block is equipped with concave splint, and is equipped with linear bearing between concave splint and the first fixed block, the inside swing joint of linear bearing has the inner rod, and linear bearing's both sides fixedly connected with spring post, second fixed block below is equipped with the rectangular board, and the rectangular board top is pressed from both sides between second fixed block and first fixed block, the side top fixedly connected with iron plate of rectangular board, and a plurality of evenly distributed's rectangular slot has been seted up to the side of rectangular board, the both sides of rectangular board are equipped with fixture.
2. The automated tin spraying machine according to claim 1, wherein the electromagnetic adsorption mechanism comprises: the cylinder fixing frame is fixed at one end of the tin-feeding clamping seat, the tin-feeding telescopic cylinder is fixedly connected inside the cylinder fixing frame, an output shaft of the tin-feeding telescopic cylinder penetrates through the cylinder fixing frame and is fixedly connected with the transverse supporting plate, a longitudinal supporting plate is fixedly connected to one side of the top end face of the transverse supporting plate, and an electromagnet is fixedly connected to one side face of the longitudinal supporting plate.
3. The automatic tin spraying machine according to claim 2, wherein the bottom end of the cylinder fixing frame is fixedly connected with a strip-shaped supporting plate, one side of the top end face of the strip-shaped supporting plate is fixedly connected with two parallel tin-spraying sliding rails, the top end of the tin-spraying sliding rail is slidably connected with a tin-spraying sliding seat, and the top end of the tin-spraying sliding seat is fixedly connected with a transverse supporting plate.
4. The automatic tin spraying machine according to claim 2, wherein guide rods are fixedly connected to two sides of the electromagnet, and slotted holes matched with the guide rods are formed in the positions, corresponding to the guide rods, of the side surfaces of the iron plates.
5. An automated tin spraying machine according to claim 4, wherein the slot holes coincide with the corresponding rectangular slots.
6. The automated tin spraying machine according to claim 2, wherein the lifting tin feeding assembly further comprises a concave supporting frame, the concave supporting frame is fixed on the top end face of the rack on one side of the clamping rotating assembly, the tin feeding pushing cylinder is fixedly connected to the inside of the concave supporting frame, and the output end of the tin feeding pushing cylinder is aligned with the concave clamping plate.
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CN202223322859.3U CN220284190U (en) | 2022-12-12 | 2022-12-12 | Automatic tin spraying machine |
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CN202223322859.3U CN220284190U (en) | 2022-12-12 | 2022-12-12 | Automatic tin spraying machine |
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