CN110802291B - Circuit board tin removing equipment - Google Patents
Circuit board tin removing equipment Download PDFInfo
- Publication number
- CN110802291B CN110802291B CN201911149606.0A CN201911149606A CN110802291B CN 110802291 B CN110802291 B CN 110802291B CN 201911149606 A CN201911149606 A CN 201911149606A CN 110802291 B CN110802291 B CN 110802291B
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- China
- Prior art keywords
- fixedly connected
- vertical
- circuit board
- sliding rail
- threaded rod
- Prior art date
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 43
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000005476 soldering Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 239000002341 toxic gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/018—Unsoldering; Removal of melted solder or other residues
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses circuit board tin removal equipment, and belongs to the field of recovery treatment of waste circuit boards; the technical scheme is characterized by comprising a supporting seat, a heating groove arranged on the supporting seat, a tin blowing component and a conveying component; the liquid tin is filled in the heating tank, the liquid tin is always heated by the heating tank, the conveying assembly comprises a sliding rail fixedly connected to the supporting seat and a vertical sliding rail assembly capable of sliding along the sliding rail, and the length direction of the sliding rail is the same as the length direction of the heating tank; be equipped with the rotation cylinder that can follow vertical slide rail assembly up-and-down motion on the vertical slide rail assembly, the piston rod end fixedly connected with of rotation cylinder is used for placing the rack of abandonment circuit board. The invention solves the problem that the common tin removal mode is easy to cause damage to the electrical components on the circuit board, achieves the effects of being convenient for tin removal, avoiding damage to the electrical components and improving the recycling effect of the electrical components.
Description
Technical Field
The invention relates to the field of recovery processing of waste circuit boards, in particular to circuit board tin removal equipment.
Background
When the circuit board needs to be recycled and reprocessed, the residual tin on the circuit board needs to be removed so as to be convenient for welding new workpieces again in the subsequent use of the circuit board.
Reference is now made to the chinese patent of patent publication No. CN208131651U, which discloses a waste circuit board solder recovering device, comprising a heating box, a rotating device, a partition plate a, a partition plate B, a recovering tank, an air inlet pipe and an air outlet pipe.
In the above-mentioned technique, the whole circuit board is heated by the heating box, so that the soldering tin can be melted and the electric elements on the circuit board can be heated, so that the electric elements on the circuit board are easy to be damaged, the recovery and the reutilization of the electric elements are affected, and the waste of resources is caused.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the circuit board tin removing equipment, which can independently heat the tin soldering part on the circuit board through the matching of the heating tank and the transportation assembly, and the electric elements on the surface circuit board are not damaged, so that the electric elements can be recycled, and the surface causes the resource waste.
In order to achieve the above purpose, the present invention provides the following technical solutions: a circuit board tin removing device comprises a supporting seat, a heating tank arranged on the supporting seat, a tin blowing component and a conveying component;
The liquid tin is filled in the heating tank, the liquid tin is always heated by the heating tank, the conveying assembly comprises a sliding rail fixedly connected to the supporting seat and a vertical sliding rail assembly capable of sliding along the sliding rail, and the length direction of the sliding rail is the same as the length direction of the heating tank;
be equipped with the rotation cylinder that can follow vertical slide rail assembly up-and-down motion on the vertical slide rail assembly, the piston rod end fixedly connected with of rotation cylinder is used for placing the rack of abandonment circuit board.
Through adopting above-mentioned technical scheme, the liquid tin exists in the heating tank, and can be in molten state all the time under the effect of heating in the heating tank, transport subassembly control circuit board has the one side of soldering submergence in soldering, can make the soldering tin of circuit board melt fast, then transport subassembly control circuit board go on advancing movement after rising, blow tin subassembly can blow down the liquid tin that adheres to on the circuit, avoid liquid tin to adsorb on the circuit board because of the effect of surface tension, reach the purpose of getting rid of soldering tin, can retrieve the recycle to tin, and after the soldering tin is got rid of, also convenient dismantlement to electrical components on the circuit board; the rotating cylinder can control the rotating of the placing frame, after the tin blowing work is completed, the placing frame rotates, so that the circuit board for removing the tin slides off the placing frame, and the unloading work is completed, thereby being convenient and quick.
The invention is further provided with: a transverse threaded rod is arranged in the sliding rail, the lower end of the vertical sliding rail assembly is fixedly connected with a moving block, and the transverse threaded rod penetrates through the moving block and is in threaded connection with the moving block;
The two ends of the transverse threaded rod are rotationally connected with the two ends of the sliding rail, so that the transverse threaded rod can rotate along the axis of the transverse threaded rod and the moving block can reciprocate along the length direction of the transverse threaded rod;
One end of the sliding rail is fixedly connected with a transverse motor, an output shaft of the transverse motor is fixedly connected with a transverse threaded rod, and the transverse motor can drive the transverse threaded rod to rotate along the axis of the transverse threaded rod;
a vertical sliding groove is formed in one side, close to the heating groove, of the vertical sliding rail assembly, a sliding block is arranged in the sliding groove, the sliding block is fixedly connected with the rotating cylinder, a vertical threaded rod is arranged in the sliding groove, and the vertical threaded rod penetrates through the sliding block and is in threaded connection with the sliding block;
the two ends of the vertical threaded rod are rotationally connected with the two ends of the sliding groove, so that the vertical threaded rod can rotate along the axis of the vertical threaded rod, the upper end of the vertical sliding rail assembly is fixedly connected with a vertical motor, and an output shaft of the vertical motor is fixedly connected with the vertical threaded rod.
Through adopting above-mentioned technical scheme, horizontal and the vertical removal of rack are respectively through horizontal threaded rod and vertical threaded rod drive, can make the more stable and rapid of rack motion to the vibrations that the construction rack takes place reduce the probability of circuit board from the landing on the rack.
The invention is further provided with: the inner walls of the sliding rails are provided with integrally formed triangular blocks, and the surfaces of the triangular blocks are fixedly connected with the inner walls of the sliding rails;
Triangular grooves are formed in the two side walls of the moving block, and the grooves are sleeved on the triangular block and slide along the length direction of the triangular block.
Through adopting above-mentioned technical scheme, the cooperation of triangular block and recess can make movable block and slide rail complex better, and the rack leads to perpendicular slide rail subassembly unbalance weight easily, increases triangular block and recess, can reduce the eccentric weight that the movable block takes place, reduces the influence that causes transverse threaded rod, improves transverse threaded rod's life.
The invention is further provided with: the tin blowing component comprises a collecting tank and a blowing port arranged on the side wall of one end of the collecting tank, the collecting tank is positioned at one end of the heating tank, the placing frame sequentially passes through the heating tank and the collecting tank, and the blowing port is positioned at one end of the heating tank according to the principle of the collecting tank.
Through adopting above-mentioned technical scheme, the mouth of blowing can blow out hot-blast, blows off the tin soldering on the circuit board, and the collecting vat can collect the tin of drip, conveniently retrieves the recycle to the tin.
The invention is further provided with a compacting component above the collecting tank, wherein the compacting component comprises a door-shaped supporting frame and a hydraulic cylinder fixedly connected to the supporting frame;
The hydraulic cylinder is vertically downwards arranged, the lower end of a piston rod of the hydraulic cylinder is fixedly connected with a pressing plate, a plurality of vertical rods are inserted into the pressing plate, the vertical rods can move up and down, and the lower ends of the vertical rods are fixedly connected with a disc;
the upper surface of the disc is fixedly connected with a spring sleeved on the vertical rod, and the upper end of the spring is fixedly connected with the lower surface of the compacting plate.
By adopting the technical scheme, the compressing assembly can compress the circuit board in the tin blowing process, and the circuit board is prevented from moving due to excessive wind power, so that the circuit board can be prevented from falling off from the placing frame; the spring can play a role in buffering, so that the disc can press the circuit board and cannot damage electrical components on the circuit board.
The invention is further provided with: one side of the vertical sliding rail component, which is far away from the placing frame, is fixedly connected with a rib plate, and the rib plate is fixedly connected with the upper surface of the moving block.
Through adopting above-mentioned technical scheme, the floor can increase the stability that perpendicular slide rail subassembly and movable block are connected, avoids perpendicular slide rail subassembly to take place to empty under the gravity of rack, makes perpendicular slide rail subassembly motion's in-process more stable.
The invention is further provided with: the rack comprises a rectangular frame and a plurality of cross bars fixedly connected inside the frame, one side, close to the rotating cylinder, of the frame is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the tail end of a piston rod of the rotating cylinder.
Through adopting above-mentioned technical scheme, the surface of horizontal pole is the curved surface, so make things convenient for the circuit board to slide on the rack more, after the detinning is accomplished, the rack rotates, makes the circuit board drop from the rack, avoids remaining of circuit board, and the horizontal pole also can subtract the volume that liquid tin in the heating tank adsorbed on the rack.
The invention is further provided with: the support seat is provided with a protective cover, the protective cover can cover the heating tank, the collecting tank and the compression assembly, and the upper surface of the protective cover is fixedly connected with an exhaust pipe;
Square openings for the conveying assembly to enter and exit are formed in two ends of the protective cover, a protective door capable of moving up and down is further arranged at the square opening, and a yielding groove capable of accommodating the sliding rail is formed in the lower end of the protective door;
and the inner walls at two ends of the protective cover are fixedly connected with a plurality of vertical cylinders, the lower ends of piston rods of the vertical cylinders are fixedly connected with convex blocks, and the convex blocks are fixedly connected with the inner walls of the protective door.
By adopting the technical scheme, the liquid tin of the heating tank is in a state of being heated all the time, so that toxic gas can be generated when the liquid tin contacts with oxygen in the air, the protective cover can prevent the toxic gas from flying out, and the exhaust pipe on the upper surface of the protective cover can be connected with an external pipeline, so that the toxic gas can be collected and treated conveniently; the protective door can be opened and closed under the control of the air cylinder, so that the placing rack can be conveniently moved in and out; the groove of stepping down can hold the slide rail, and then makes the lower extreme of guard gate can laminate with the supporting seat upper surface, improves guard gate's protection effect.
The invention is further provided with: two L-shaped guide plates are fixedly connected to the outer walls of the two ends of the protective cover, guide grooves are formed in the end portions of the guide plates and the protective cover, and the two sides of the protective door can move up and down in the guide grooves.
Through adopting above-mentioned technical scheme, constitute the guide way between deflector and the protection casing of L type, can lead to spacingly to the removal of guard plate to make the removal of guard gate more stable, avoid the in-process that the guard gate removed to take place the skew, improve the life of guard gate.
The invention is further provided with: the number of the conveying components is two, and the two conveying components are respectively arranged at two sides of the heating groove.
Through adopting above-mentioned technical scheme, two conveying assembly can work by turns, and first conveying assembly drives the circuit board and carries out the detinning during operation, and the second conveying assembly is located initial position, lays the circuit board in rack suitable position department, and after the circuit board detinning that first conveying assembly drove was accomplished, the rack rotated and makes the circuit board drop from the rack, and the rack risees and is located the rack top of second conveying assembly, resets fast, and the second rack begins to carry out the work of detinning, lays the circuit board on first rack this moment to this reciprocating motion can improve work efficiency.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. The heating tank, the tin blowing assembly and the transportation assembly on the supporting seat are matched, so that the purpose of independently heating soldering tin and removing the soldering tin can be realized, and the electric elements cannot be heated, thereby avoiding damage to the electric elements, facilitating recycling of the electric elements and improving the recycling rate of resources;
2. The circulation motion cooperation of two sets of transportation subassembly can reduce the extravagant time of laying the circuit board to can improve the efficiency of work.
Drawings
FIG. 1 is a block diagram of an embodiment;
FIG. 2 is a block diagram showing the heating bath, the tin blowing assembly and the transport assembly in an embodiment;
FIG. 3 is a cross-sectional view of a cross-street highlighting a vertical cylinder;
FIG. 4 is a block diagram showing the mating relationship of the slider and the chute in an embodiment;
fig. 5 is an enlarged view of a portion a in fig. 4;
FIG. 6 is a block diagram of a highlighting protective cover in an embodiment;
fig. 7 is an enlarged view of a portion B in fig. 6.
In the figure: 1. a support base; 11. a notch; 2. a heating tank; 3. a tin blowing component; 31. a collection tank; 32. blowing an air port; 33. square tube; 34. an air guide pipe; 35. a blower; 4. a transport assembly; 41. a slide rail; 411. triangular blocks; 42. a transverse motor; 43. a transverse threaded rod; 44. a moving block; 441. a groove; 45. a vertical slide rail assembly; 451. rib plates; 452. a chute; 453. a vertical motor; 454. a vertical threaded rod; 5. a compression assembly; 51. a support frame; 52. a hydraulic cylinder; 53. a compacting plate; 54. a vertical rod; 55. a disc; 56. a spring; 6. a rotary cylinder; 61. a slide block; 7. a placing rack; 71. a frame; 72. a cross bar; 73. a connecting plate; 8. a conveyor belt; 9. a protective cover; 91. an exhaust pipe; 92. a square mouth; 93. a protective door; 931. a relief groove; 94. a vertical cylinder; 95. a bump; 96. a guide plate; 97. a guide groove.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Examples: the circuit board tin removing equipment comprises a supporting seat 1, a heating tank 2 arranged on the upper surface of the supporting seat 1 and a tin blowing component 3, as shown in fig. 1 and 2; the heating tank 2 and the tin blowing component 3 are sequentially arranged along the length direction of the supporting seat 1, one side of the heating tank 2 is provided with a conveying component 4, and the conveying component 4 extends along the length direction of the supporting seat 1; the transportation assembly 4 can transport the circuit board, and the circuit board sequentially passes through the heating tank 2 and the tin blowing assembly 3, so that tin removal is completed.
As shown in fig. 1 and 2, the tin blowing assembly 3 comprises a collecting tank 31 mounted on the supporting seat 1 and a blowing port 32 formed on the side wall of the collecting tank 31; the collecting tank 31 is positioned at one end of the heating tank 2; the air blowing port 32 is arranged at one end of the collecting tank 31 far away from the heating tank 2; the outer wall of one end of the collecting tank 31 far away from the heating tank 2 is fixedly connected with a square pipe 33, the square pipe 33 is communicated with a blowing port 32, the lower surface of the square pipe 33 is fixedly connected with a vertical air guide pipe 34, the lower end of the air guide pipe 34 is provided with a fan 35, and the fan 35 is fixedly arranged on the lower surface of the supporting seat 1; the air outlet of the fan 35 is connected with the air guide pipe 34; the transportation assembly 4 firstly conveys the circuit board to the heating tank 2, molten tin is filled in the heating tank 2, the heating tank 2 can always heat the tin, so that the tin in the heating tank 2 is always in a molten state, the heating tank 2 can heat the tin soldered on the circuit board, the tin soldered is quickly melted into molten tin, the molten tin cannot directly fall down because the surface tension of the molten tin is large, the transportation assembly 4 drives the circuit board to move to the tin blowing assembly 3, the tin can be blown down by wind power blown out by the blowing port 32, and the tin is collected by the collecting tank 31, so that the recovery of the tin is completed; after the tin soldering is removed, the electrical components are not welded on the circuit board, so that the electrical components are convenient to recycle, and the electrical components are not heated in the heating process, so that the electrical components are prevented from being damaged, and the electrical components are convenient to recycle.
As shown in fig. 2 and 3, a compressing assembly 5 is arranged above the collecting tank 31, the compressing assembly 5 comprises a door-shaped supporting frame 51 and a vertical hydraulic cylinder 52 fixedly connected to the supporting frame 51, and the supporting frame 51 is arranged on the upper surface of the supporting seat 1; the lower end of a piston rod of the hydraulic cylinder 52 is fixedly connected with a compacting plate 53; the compressing plate 53 is inserted with a plurality of vertical rods 54, the vertical rods 54 can move up and down, the lower ends of the vertical rods 54 are fixedly connected with discs 55, the discs 55 are fixedly connected with springs 56 sleeved on the vertical rods 54, and the upper ends of the springs 56 are fixedly connected with the lower surface of the compressing plate 53; when the tin blowing component 3 blows air to the circuit board, the compressing component 5 compresses the circuit board, so that the circuit board is prevented from tilting under the action of wind force; the spring 56 serves the purpose of cushioning and prevents damage to the electrical components caused by contact between the disc 55 and the electrical components.
As shown in fig. 2 and 3, the transportation assembly 4 includes a sliding rail 41 installed on the supporting seat 1 and a transverse motor 42 disposed in the sliding rail 41, the sliding rail 41 is located at one side of the heating tank 2, and the length direction of the sliding rail 41 is the same as the length direction of the heating tank 2; the transverse motor 42 is arranged at one end of the sliding rail 41; the output shaft of the transverse motor 42 is fixedly connected with a transverse threaded rod 43, and the transverse threaded rod 43 extends along the length direction of the sliding rail 41; a moving block 44 in threaded fit with the transverse threaded rod 43 is sleeved on the transverse threaded rod 43, a vertical sliding rail assembly 45 is fixedly connected to the moving block 44, a rotary air cylinder 6 is arranged on the vertical sliding rail assembly 45, a placing frame 7 is arranged on a piston rod of the rotary air cylinder 6, and the rotary air cylinder 6 can move up and down along the vertical sliding rail assembly 45; the circuit board is placed on the placing frame 7, and the vertical sliding rail assembly 45 can transversely move under the cooperation of the moving block 44 and the transverse threaded rod 43, so that the circuit board on the placing frame 7 is driven to sequentially pass through the heating groove 2 and the tin blowing assembly 3; after the tin removal work is completed, the rotating cylinder 6 can control the rack 7 to rotate by a certain angle, so that the circuit board slides off from the rack 7, the vertical sliding rail assembly 45 is reset, and a new circuit board is placed on the rack 7.
As shown in fig. 3, the inner walls of two sides of the sliding rail 41 are provided with integrally formed triangular blocks 411, one edge of each triangular block 411 is arranged in a protruding manner, the triangular blocks 411 extend along the length of the sliding rail 41, two side walls of the moving block 44 are provided with triangular grooves 441 matched with the triangular blocks 411, the grooves 441 are sleeved on the triangular blocks 411, and the grooves 441 can be sleeved on the triangular blocks 411 to slide; the placing frame 7 and the rotating cylinder 6 are positioned on one side of the vertical sliding rail assembly 45, and a circuit board is placed on the placing frame 7, so that the placing frame 7 and the rotating cylinder 6 easily cause the vertical sliding rail assembly 45 to topple over; the cooperation of triangular block 411 and recess 441 can carry out spacingly and can not lead to the fact the influence to the removal of movable block 44 to movable block 44, when movable block 44 receives the dumping force that vertical slide rail assembly 45 applyed, can avoid dumping force to transmit to transverse threaded rod 43, makes transverse threaded rod 43 can not receive the interference, improves transverse threaded rod 43's life.
As shown in fig. 2, a rib plate 451 is fixedly connected to one side of the vertical sliding rail assembly 45, which is away from the rotating cylinder 6, and the lower end of the rib plate 451 is fixedly connected with the moving block 44, so that the rib plate 451 can increase the stability of the connection between the vertical sliding rail assembly 45 and the moving block 44, and the vertical sliding rail assembly 45 is more stable to erect.
As shown in fig. 4 and 5, a sliding block 61 is fixedly connected to one side of the rotary cylinder 6, which is close to the vertical sliding rail assembly 45, and a sliding groove 452 for sliding the sliding block 61 is formed in the vertical sliding rail assembly 45; the upper end of the vertical sliding rail assembly 45 is fixedly connected with a vertical motor 453, a vertical threaded rod 454 is arranged in the sliding groove 452, two ends of the vertical threaded rod 454 are respectively and rotatably connected with two ends of the sliding groove 452 through bearings, so that the vertical threaded rod 454 can rotate along the axis of the vertical threaded rod 454, an output shaft of the vertical motor 453 is fixedly connected with the vertical threaded rod 454, and the vertical threaded rod 454 passes through the sliding block 61 and is in threaded fit with the sliding block 61; so vertical motor 453 and vertical threaded rod 454's cooperation can realize controlling the purpose of rotating cylinder 6 up-and-down motion, and then the up-and-down motion of control rack 7, makes the lower surface of rack 7 can submergence in liquid tin to make liquid tin melt the soldering on the circuit board that can be better, rack 7 up-and-down motion, but not the rising of control heating tank 2 descend, can avoid the inside liquid tin spill of heating tank 2.
As shown in fig. 4, the placement frame 7 comprises a rectangular frame 71 and a plurality of cross bars 72 positioned in the frame 71, one side of the frame 71 is fixedly connected with a connecting plate 73, the connecting plate 73 is vertical to the surface of the frame 71, and the connecting plate 73 is fixedly connected with a piston rod of the rotary cylinder 6; the setting of a plurality of horizontal poles 72 can make things convenient for the lay of circuit board, still can not cause the interference to the soldering tin on the circuit board with the liquid tin contact in the heating tank 2, and the periphery of horizontal pole 72 is the curved surface, and then reduces the probability that liquid tin adsorbed on horizontal pole 72, reduces rack 7 and takes away quantity with the liquid tin in the heating tank 2.
As shown in fig. 6, the number of the transport assemblies 4 is two, the transport assemblies are respectively arranged at two sides of the heating tank 2, in the working process that the first transport assembly 4 drives the circuit board to remove tin, the second transport assembly 4 is positioned at the initial position, the circuit board can be placed on the second transport assembly 4 at the moment, after the first transport assembly 4 finishes working, the placement frame 7 rotates to enable the circuit board to slide down, the placement frame 7 is lifted, the second transport assembly 4 starts to drive the circuit board to work, and the first transport assembly 4 resets rapidly; the two transport assemblies 4 reciprocate in this way, so that the time for placing the circuit board is reduced, and the working efficiency is improved.
As shown in fig. 6, the end of the collecting tank 31, far away from the supporting seat 1 on one side of the heating tank 2, is provided with a notch 11, the conveying belt 8 can be placed at the notch 11, the rotating cylinder 6 controls the placing frame 7 to rotate, and the circuit board on the placing frame 7 falls on the conveying belt 8, so that the conveying belt 8 is convenient for conveying away the circuit board after tin removal for the next procedure.
As shown in fig. 3 and 6, a protective cover 9 is further arranged on the supporting seat 1, and the protective cover 9 covers the heating tank 2, the tin blowing component 3 and the compacting component 5; the upper surface of the protective cover 9 is fixedly connected with an exhaust pipe 91, and the exhaust pipe 91 can be connected with an external pipeline; square openings 92 for the conveying assembly 4 to enter and exit are formed in two ends of the protective cover 9, and protective doors 93 capable of moving up and down are arranged at the square openings 92; after the transportation assembly 4 enters the protective cover 9, the protective door 93 is closed, so that the toxic gas overflowing quantity generated by heating tin can be reduced, the toxic gas is discharged along the exhaust pipe 91, and the influence on the health of workers is reduced.
As shown in fig. 3, the inner walls of the two ends of the protective cover 9 are fixedly connected with vertical cylinders 94, the lower ends of piston rods of the vertical cylinders 94 are fixedly connected with lugs 95, and the lugs 95 are fixedly connected with the protective door 93, so that the vertical cylinders 94 can control the up-and-down movement of the protective door 93, and the opening and closing of the protective door 93 are conveniently controlled; the lower extreme of guard gate 93 has offered the groove 931 of stepping down that can hold slide rail 41 to make the lower extreme of guard gate 93 can be better with supporting seat 1 surface laminating, so can improve guard gate 93's barrier propterty.
As shown in fig. 6 and 7, the surfaces of the protective cover 9 on two sides of the square opening 92 are fixedly connected with L-shaped guide plates 96, the guide plates 96 and the surfaces of the protective cover 9 form guide grooves 97, and two sides of the protective door 93 are positioned in the guide grooves 97, so that the guide grooves 97 can guide the movement of the protective door 93, and the movement of the protective door 93 is more stable.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. A circuit board detinning equipment, its characterized in that: comprises a supporting seat (1), a heating tank (2) arranged on the supporting seat (1), a tin blowing component (3) and a conveying component; the heating tank (2) is filled with liquid tin, the heating tank (2) is used for heating the liquid tin all the time, and the conveying assembly comprises a sliding rail (41) fixedly connected to the supporting seat (1) and a vertical sliding rail assembly (45) capable of sliding along the sliding rail (41), wherein the length direction of the sliding rail (41) is the same as the length direction of the heating tank (2); a rotating cylinder (6) capable of moving up and down along the vertical sliding rail assembly (45) is arranged on the vertical sliding rail assembly (45), and a placing frame (7) for placing the waste circuit board is fixedly connected to the tail end of a piston rod of the rotating cylinder (6);
A transverse threaded rod (43) is arranged in the sliding rail (41), the lower end of the vertical sliding rail assembly (45) is fixedly connected with a moving block (44), and the transverse threaded rod (43) penetrates through the moving block (44) and is in threaded connection with the moving block (44); both ends of the transverse threaded rod (43) are rotationally connected with both ends of the sliding rail (41), so that the transverse threaded rod (43) can rotate along the axis of the transverse threaded rod and the moving block (44) can reciprocate along the length direction of the transverse threaded rod (43); one end of the sliding rail (41) is fixedly connected with a transverse motor (42), an output shaft of the transverse motor (42) is fixedly connected with a transverse threaded rod (43), and the transverse motor (42) can drive the transverse threaded rod (43) to rotate along the axis of the transverse threaded rod; one side of the vertical sliding rail assembly (45) close to the heating groove (2) is provided with a vertical sliding groove (452), a sliding block (61) is arranged in the sliding groove (452), the sliding block (61) is fixedly connected with the rotating cylinder (6), a vertical threaded rod (454) is arranged in the sliding groove (452), and the vertical threaded rod (454) penetrates through the sliding block (61) and is in threaded connection with the sliding block (61); the two ends of the vertical threaded rod (454) are rotationally connected with the two ends of the sliding groove (452), so that the vertical threaded rod (454) can rotate along the axis of the vertical threaded rod (454), the upper end of the vertical sliding rail assembly (45) is fixedly connected with a vertical motor (453), and the output shaft of the vertical motor (453) is fixedly connected with the vertical threaded rod (454);
the inner walls of the sliding rails (41) are provided with integrally formed triangular blocks (411), and the surfaces of the triangular blocks (411) are fixedly connected with the inner walls of the sliding rails (41); triangular grooves (441) are formed in the two side walls of the moving block (44), and the grooves (441) are sleeved on the triangular blocks (411) and slide along the length direction of the triangular blocks (411);
tin subassembly (3) blows including collecting vat (31) and offer blast gate (32) on collecting vat (31) one end lateral wall, collecting vat (31) are located the one end of heating vat (2), and rack (7) are through heating vat (2) and collecting vat (31) in proper order, and blast gate (32) are located the one end setting that collecting vat (31) kept away from heating vat (2).
2. A circuit board tin removal apparatus according to claim 1, wherein: a pressing component (5) is arranged above the collecting tank (31), and the pressing component (5) comprises a door-shaped supporting frame (51) and a hydraulic cylinder (52) fixedly connected to the supporting frame (51); the hydraulic cylinder (52) is vertically arranged downwards, the lower end of a piston rod of the hydraulic cylinder (52) is fixedly connected with the compression plate (53), a plurality of vertical rods (54) are inserted on the compression plate (53), the vertical rods (54) can move up and down, and the lower end of each vertical rod (54) is fixedly connected with the disc (55); the upper surface of the disc (55) is fixedly connected with a spring (56) sleeved on the vertical rod (54), and the upper end of the spring (56) is fixedly connected with the lower surface of the pressing plate (53).
3. A circuit board tin removal apparatus according to claim 1, wherein: one side of the vertical sliding rail assembly (45) far away from the placing frame (7) is fixedly connected with a rib plate (451), and the rib plate (451) is fixedly connected with the upper surface of the moving block (44).
4. A circuit board tin removal apparatus according to claim 1, wherein: the rack (7) comprises a rectangular frame (71) and a plurality of cross bars (72) fixedly connected inside the frame (71), one side, close to the rotating cylinder (6), of the frame (71) is fixedly connected with a connecting plate (73), and the connecting plate (73) is fixedly connected with the tail end of a piston rod of the rotating cylinder (6).
5. A circuit board tin removal apparatus according to claim 1, wherein: the support seat (1) is provided with a protective cover (9), and the protective cover (9) can cover the heating tank (2), the collecting tank (31) and the compacting component (5); square openings (92) for the conveying assembly to enter and exit are formed in two ends of the protective cover (9), a protective door (93) capable of moving up and down is further arranged at the outlet of the square openings (92), and a yielding groove (931) capable of accommodating the sliding rail (41) is formed in the lower end of the protective door (93); a plurality of vertical cylinders (94) are fixedly connected to the inner walls of the two ends of the protective cover (9), a lug (95) is fixedly connected to the lower end of a piston rod of each vertical cylinder (94), and the lug (95) is fixedly connected with the inner wall of the protective door (93).
6. The circuit board tin removal apparatus of claim 5, wherein: two L-shaped guide plates (96) are fixedly connected to the outer walls of the two ends of the protective cover (9), guide grooves (97) are formed in the end portions of the guide plates (96) and the protective cover (9), and the two sides of the protective door (93) can move up and down in the guide grooves (97).
7. A circuit board tin removal apparatus according to claim 1, wherein: the number of the conveying components is two, and the two conveying components are respectively arranged at two sides of the heating groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149606.0A CN110802291B (en) | 2019-11-21 | 2019-11-21 | Circuit board tin removing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149606.0A CN110802291B (en) | 2019-11-21 | 2019-11-21 | Circuit board tin removing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN110802291A CN110802291A (en) | 2020-02-18 |
| CN110802291B true CN110802291B (en) | 2024-09-20 |
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| CN118577895B (en) * | 2024-08-07 | 2024-10-15 | 福建粒量科技有限公司 | Tin removing device for COB-LED module assembly line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211102003U (en) * | 2019-11-21 | 2020-07-28 | 华新绿源环保股份有限公司 | Circuit board detinning equipment |
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| KR200477522Y1 (en) * | 2015-02-06 | 2015-06-17 | 박영섭 | Dipping machine having removal device of lead residues |
| CN208131651U (en) * | 2018-01-08 | 2018-11-23 | 鹤壁科彤科技有限公司 | A kind of useless circuit board scolding tin recyclable device |
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| CN211102003U (en) * | 2019-11-21 | 2020-07-28 | 华新绿源环保股份有限公司 | Circuit board detinning equipment |
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