CN114364156B - Welding jig convenient to fixed PCB board - Google Patents
Welding jig convenient to fixed PCB board Download PDFInfo
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- CN114364156B CN114364156B CN202111343032.8A CN202111343032A CN114364156B CN 114364156 B CN114364156 B CN 114364156B CN 202111343032 A CN202111343032 A CN 202111343032A CN 114364156 B CN114364156 B CN 114364156B
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- groove
- fixedly connected
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- pcb
- fixing
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- 238000003466 welding Methods 0.000 title claims abstract description 58
- 238000003825 pressing Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 35
- 150000003071 polychlorinated biphenyls Chemical class 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 38
- 238000001179 sorption measurement Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 10
- 239000012528 membrane Substances 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of PCB processing equipment, in particular to a welding jig convenient for fixing a PCB, which comprises a welding plate; the welding plate is provided with a welding groove and a fixing piece; the fixing piece comprises a support; the welding plate is fixedly connected with symmetrically distributed supports; the support is provided with a first through groove, and a pair of symmetrically distributed rotating shafts are connected in a rotating manner in the first through groove; a telescopic rod is fixedly connected to the rotating shaft, and a hydraulic cylinder is fixedly connected to the end part of the telescopic rod, which is far away from the rotating shaft; a hydraulic rod is arranged in the hydraulic cylinder, and a fixed plate is fixedly connected with the hydraulic rod through the telescopic rod; a group of placing grooves are formed in the welding plate; the invention provides a welding jig convenient for fixing a PCB (printed Circuit Board), which aims to solve the problems that when the PCB is welded and fixed, fixing points are fixed, so that the fixing effect on some special-shaped PCBs is poor, the positions of the fixing points cannot be adjusted, and the positions covered by the fixing points cannot be welded.
Description
Technical Field
The invention belongs to the technical field of PCB processing equipment, and particularly relates to a welding jig convenient for fixing a PCB.
Background
With the rapid development of socioeconomic performance, printed circuit boards, also called printed circuit boards, are providers of electrical connections for electronic components. Printed circuit boards are commonly referred to as "PCBs" and cannot be referred to as "PCBs". Its development has been over 100 years old; the design is mainly layout design; the main advantages of the circuit board are greatly reduced wiring and assembly errors, and improved automation level and production labor rate. The circuit board layer number can be divided into a single panel, a double panel, a four-layer board, a six-layer board and other multi-layer circuit boards. Since printed circuit boards are not general end products, the definition of names is somewhat confusing, for example: a motherboard for a personal computer is called a motherboard, and cannot be directly called a circuit board, and although the circuit board exists in the motherboard, the motherboard is not the same, so that the motherboard cannot be said to be the same in terms of evaluation industry.
Some technical schemes about PCB board processing equipment technique have also appeared among the prior art, for example, a chinese patent of application number 2020201410803 discloses a PCB board positioning jig for communication, the package includes the positioning seat, two spouts have been seted up at the middle part on positioning seat top, the inside sliding connection of two spouts has four sliders, the both sides cell wall of two spouts is connected with positive and negative lead screw through inlaying the bearing interlude of establishing, motor groove has all been seted up to one side of two spouts, the equal fixed mounting in inside in two motor grooves has first step motor, positive and negative lead screw one end fixed connection that two first step motor's output shaft corresponds respectively.
In the prior art, when the PCB is welded and fixed, the fixed points are fixed, so that the fixing effect on some special-shaped PCBs is poor, the positions of the fixed points cannot be adjusted, the positions covered by the fixed points cannot be welded, and the welding effect of the PCBs is affected.
Disclosure of Invention
In order to make up the defects of the prior art, the problem that the welding effect of the PCB is affected due to the fact that the fixed points are fixed when the PCB is welded and fixed, the fixing effect of the special-shaped PCB is poor, the positions of the fixed points cannot be adjusted, and the positions covered by the fixed points cannot be welded is solved.
The technical scheme adopted for solving the technical problems is as follows: the welding jig convenient for fixing the PCB comprises a welding plate; the welding plate is provided with a welding groove and a fixing piece; the fixing piece comprises a support; the welding plate is fixedly connected with symmetrically distributed supports; the support is provided with a first through groove, and a pair of symmetrically distributed rotating shafts are connected in a rotating manner in the first through groove; a telescopic rod is fixedly connected to the rotating shaft, and a hydraulic cylinder is fixedly connected to the end part of the telescopic rod, which is far away from the rotating shaft; a hydraulic rod is arranged in the hydraulic cylinder, and a fixed plate is fixedly connected with the hydraulic rod through the telescopic rod; a group of placing grooves are formed in the welding plate; during operation, in the prior art, when the PCB is welded and fixed, the fixed points are fixed, so that the fixing effect on some special-shaped PCBs is poor, the positions of the fixed points cannot be adjusted, the positions covered by the fixed points cannot be welded, and the welding effect of the PCBs is affected.
Preferably, a first groove is formed in the center of the bottom end of the fixed plate; the bottom of the first groove is fixedly connected with a top block through a spring; a first cavity is formed in the top block; a first elastic curved film is fixedly connected in the first cavity, and the curved direction of the first elastic curved film is downward; a group of first air outlet holes are formed in the side wall of the first cavity, and the first air outlet holes are communicated with a closed cavity formed by the first elastic curved film and the side wall of the bottom end of the first cavity; the bottom of the first groove is fixedly connected with a pressing rod, the bottom end of the pressing rod extends into the first cavity and is fixedly connected to the first elastic curved film, and the pressing rod slides on a penetrating point on the jacking block; during operation, in the fixed plate pushing down process, the kicking block moves to first recess tank bottom department, and the kicking block removes the in-process, and the depression bar can extrude first elasticity bent membrane downstream this moment, extrudees the closed chamber of first elasticity bent membrane and first cavity bottom lateral wall, and gas is through first venthole blowout, and the fixed scope of clearance fixed plate keeps the clean and tidy of the fixed cover face of PCB board, prevents that the impurity on the fixed cover face of PCB board from damaging PCB board surface at fixed extrusion in-process.
Preferably, the top block is connected to the side wall of the first groove in a sealing and sliding manner; the bottom end of the fixed plate surrounds the first groove and is provided with a group of second grooves; the bottom of the second groove is fixedly connected with an auxiliary block through a spring; the auxiliary block is connected in the second groove in a sealing sliding manner; the second groove and the first groove are communicated with each other through a hose; during operation, at fixed in-process of fixed plate, the stationary plane is great, and whole cover can lead to easily piling up on the cover face at the welding heat, so at kickup in-process, in the air in the first recess gets into the second recess through the hose, promote supplementary piece outside removal, when kickup and supplementary piece contact PCB board simultaneously, just fix the PCB board this moment, and have the space between supplementary piece and the kickup this moment, make things convenient for the PCB board heat can not pile up on the cover face in the welding process, can dispel the heat fast.
Preferably, the bottom end of the auxiliary block is fixedly connected with a rubber layer; a second cavity is formed in the auxiliary block; the side wall of the second cavity is connected with a first push plate in a sealing sliding manner; the top end of the first push plate is fixedly connected with a first push rod, and the top end of the first push rod penetrates through the second cavity and is fixedly connected to the bottom of the second groove; the rubber layer is provided with a first through hole, and the first through hole penetrates through the bottom end of the auxiliary block and is communicated with the second cavity; during operation, because ejector block and auxiliary block are the pressure that gives vertical direction at fixed PCB board in-process, give the horizontal direction's of force of PCB board basically at welding process, for increasing the horizontal fixed force of PCB, push down the in-process at auxiliary block, first push pedal can move up in the second cavity this moment, inhale through first through-hole, in the rubber layer contact PCB board in-process can extrusion deformation, the adsorption affinity of first through-hole can adsorb on the PCB board surface, increase the horizontal fixed force of PCB board, provide a stable environment to the welding of PCB board.
Preferably, the bottom end of the second cavity is rotationally connected with a screw rod; a third groove is formed in the bottom end of the first push rod and penetrates through the first push plate; the side wall of the first push plate penetrating point is fixedly connected with a screw-nut pair, and the end part of the screw far away from the bottom end of the second cavity extends into the third groove and is connected with the screw-nut pair; a group of fan blades are fixedly connected on the side wall of the screw rod, which is close to the bottom end of the second cavity; when the auxiliary block is used for fixing the PCB, the auxiliary block moves downwards at the moment, the first push plate moves upwards in the second cavity, the first push plate moves upwards to drive the screw rod to rotate, the screw rod rotates to drive the fan blade to rotate for sucking air, and the adsorption effect of the rubber layer on the PCB is improved; when the auxiliary block needs to be released from fixing the PCB, the fixing plate moves upwards, the top block moves downwards under the action of the spring, the auxiliary block moves upwards under the action of the spring, the first push plate is driven to move downwards in the second cavity, the screw rod is driven to rotate reversely, the screw rod rotates to drive the fan blade to blow, the air flow is accelerated, the adsorption effect is rapidly removed, in addition, in the process of moving upwards the auxiliary block, the first through hole always blows outwards, and the effect of rapid heat dissipation can be achieved on the PCB after welding is completed.
Preferably, a group of fourth grooves are formed in the bottom end of the rubber layer; a second elastic curved film is fixedly connected in the fourth groove, and the curved direction of the second elastic curved film faces the bottom of the fourth groove; a group of friction balls are fixedly connected to the outer side wall of the second elastic curved film through a first connecting rod; during operation, when the auxiliary block pushes down fixed PCB board, can extrude the friction ball to the motion in the fourth recess this moment, the friction ball can be tightly laminated on the PCB board under the effect of the flexible membrane of second, increases the horizontal frictional force of PCB board, increases the horizontal fixed effect of PCB board.
Preferably, a group of fifth grooves are formed in the bottom end of the friction ball; the bottom of the fifth groove is fixedly connected with a push rod through a spring, and the push rod is connected to the side wall of the fifth groove in a sealing and sliding manner; the second elastic curved film and the bottom of the fifth groove form a closed cavity, and the closed cavity and the fifth groove are communicated with each other; during operation, in the motion process of friction ball to the fourth recess, can drive extrusion second elasticity bent membrane, the gaseous of second elasticity bent membrane can get into in the fifth recess, promotes the ejector pin outward movement, and the tip of ejector pin can be propped on the PCB board, further increases the horizontal fixation effect of PCB board.
Preferably, the side walls at two sides of the auxiliary block are provided with a sixth groove, the bottom of the sixth groove is fixedly connected with a group of elastic rods, and the end parts of the elastic rods are fixedly connected with vibrating balls; a trapezoid block is fixedly connected to the side wall, close to the bottom end, of the second groove, and a group of elastic protruding points are fixedly connected to the side walls of the two sides of the trapezoid block; the trapezoid block and the sixth groove are mutually corresponding, and the trapezoid block and the vibration ball are mutually contacted in the moving process of the auxiliary block; during operation, at supplementary piece upward movement and move down in-process, the vibrations ball all can contact each other with trapezoidal piece, and vibrations ball can take place to vibrate under the effect of elasticity bump and elasticity stick, drives supplementary piece itself and takes place the vibrations effect, clears away the welding impurity on the rubber layer through the vibrations, prevents that some welding impurity from can attaching on the rubber layer, has guaranteed PCB's fixed effect.
The beneficial effects of the invention are as follows:
1. according to the welding jig convenient for fixing the PCB, the PCB is fixed through the fixing piece, the telescopic rod can rotate on the support in the fixing process and can stretch out and draw back, the position of the fixing point can be adjusted, the fixing piece has a good fixing effect on the special-shaped PCB, the PCB can be comprehensively welded and adjusted, the influence of the coverage of the fixing point on the welding effect of the PCB is avoided, the hydraulic cylinder is started after the telescopic rod is adjusted to the position needing to be fixed, the fixing plate is driven to press down to fix the PCB through the hydraulic rod, the PCB with different thicknesses can be fixed through adjusting the pressure of the hydraulic cylinder, and the application range is enlarged.
2. According to the welding jig convenient for fixing the PCB, through the mutual matching of the first push plate, the second cavity, the first through hole, the lead screw and the fan blade, the adsorption force of the auxiliary block on the PCB can be increased, the adsorption force can be removed rapidly by utilizing the rapid flow of air flow, and the welded PCB can be further cooled.
3. According to the welding jig convenient for fixing the PCB, the vibrating balls and the trapezoid blocks are matched with each other, the vibrating balls vibrate under the action of the elastic protruding points and the elastic rods to drive the auxiliary blocks to generate a vibrating effect, welding impurities on the rubber layer are removed through vibration, some welding impurities are prevented from being attached to the rubber layer, and the fixing effect of the PCB is guaranteed.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the fixation plate;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is an enlarged view of area B of FIG. 3;
FIG. 5 is an enlarged view of region C of FIG. 3;
FIG. 6 is a cross-sectional view of a friction ball;
in the figure: 1. welding plates; 11. a welding groove; 2. a fixing member; 21. a support; 22. a first through groove; 23. a rotation shaft; 24. a telescopic rod; 25. a hydraulic cylinder; 26. a hydraulic rod; 27. a fixing plate; 28. a placement groove; 3. a first groove; 31. a top block; 32. a first cavity; 33. a first elastic curved membrane; 34. a first air outlet hole; 35. a compression bar; 4. a second groove; 41. an auxiliary block; 42. a rubber layer; 43. a second cavity; 44. a first push plate; 45. a first push rod; 46. a first through hole; 5. a third groove; 51. a screw rod; 52. a fan blade; 6. a fourth groove; 61. a second elastic curved membrane; 62. a first connecting rod; 63. a friction ball; 64. a fifth groove; 65. a push rod; 7. a sixth groove; 71. a trapezoid block; 72. a vibrating ball; 73. an elastic rod.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 6, the welding jig for facilitating the fixing of a PCB board according to the present invention includes a welding plate 1; the welding plate 1 is provided with a welding groove 11 and a fixing piece 2; the fixing element 2 comprises a seat 21; the welding plate 1 is fixedly connected with symmetrically distributed supports 21; the support 21 is provided with a first through groove 22, and a symmetrically distributed rotating shaft 23 is rotationally connected with the first through groove 22; a telescopic rod 24 is fixedly connected to the rotating shaft 23, and a hydraulic cylinder 25 is fixedly connected to the end part of the telescopic rod 24, which is far away from the rotating shaft 23; a hydraulic rod 26 is arranged in the hydraulic cylinder 25, and the hydraulic rod 26 penetrates through the telescopic rod 24 and is fixedly connected with a fixing plate 27; a group of placing grooves 28 are formed in the welding plate 1; during operation, in the prior art, when the PCB is welded and fixed, the fixed points are fixed, so that the fixing effect on some special-shaped PCBs is poor, the positions of the fixed points cannot be adjusted, the positions covered by the fixed points cannot be welded, and the welding effect of the PCBs is affected.
As an embodiment of the present invention, a first groove 3 is formed at the bottom center of the fixing plate 27; the bottom of the first groove 3 is fixedly connected with a top block 31 through a spring; a first cavity 32 is formed in the top block 31; a first elastic curved film 33 is fixedly connected in the first cavity 32, and the curved direction of the first elastic curved film 33 is downward; a group of first air outlet holes 34 are formed in the side wall of the first cavity 32, and the first air outlet holes 34 are communicated with a closed cavity formed by the first elastic curved membrane 33 and the side wall of the bottom end of the first cavity 32; a pressing rod 35 is fixedly connected to the bottom of the first groove 3, the bottom end of the pressing rod 35 extends into the first cavity 32 and is fixedly connected to the first elastic curved film 33, and the pressing rod 35 slides on a penetrating point on the top block 31; during operation, in the process of pressing down the fixed plate 27, the top block 31 moves to the bottom of the first groove 3, and in the process of moving the top block 31, the compression bar 35 can extrude the first elastic curved film 33 to move downwards, extrude the closed cavity of the bottom side wall of the first elastic curved film 33 and the first cavity 32, the gas is ejected through the first air outlet hole 34, the fixed range of the fixed plate 27 is cleaned, the cleanness of the fixed coverage surface of the PCB is kept, and the impurities on the fixed coverage surface of the PCB are prevented from damaging the surface of the PCB in the fixed extrusion process.
As an embodiment of the present invention, the top block 31 is connected to the side wall of the first groove 3 in a sealing and sliding manner; the bottom end of the fixed plate 27 is provided with a group of second grooves 4 around the first groove 3; the bottom of the second groove 4 is fixedly connected with an auxiliary block 41 through a spring; the auxiliary block 41 is connected in the second groove 4 in a sealing sliding way; the second groove 4 and the first groove 3 are communicated with each other through a hose; during operation, at fixed in-process of fixed plate 27, the stationary plane is great, and whole cover can lead to easily piling up on the cover at the welding heat, so at kickup 31 in-process of moving up, the gas in the first recess 3 gets into in the second recess 4 through the hose, promote supplementary piece 41 outwards removal, when kickup 31 and supplementary piece 41 contact the PCB board simultaneously, just fix the PCB board this moment, and have the space between supplementary piece 41 and the kickup 31 this moment, make things convenient for the PCB board heat can not pile up on the cover at the welding in-process, can dispel the heat fast.
As an embodiment of the present invention, a rubber layer 42 is fixedly connected to the bottom end of the auxiliary block 41; a second cavity 43 is formed in the auxiliary block 41; a first push plate 44 is connected on the side wall of the second cavity 43 in a sealing and sliding manner; the top end of the first push plate 44 is fixedly connected with a first push rod 45, and the top end of the first push rod 45 penetrates through the second cavity 43 and is fixedly connected to the bottom of the second groove 4; the rubber layer 42 is provided with a first through hole 46, and the first through hole 46 penetrates through the bottom end of the auxiliary block 41 and is communicated with the second cavity 43; in operation, because the top block 31 and the auxiliary block 41 both provide vertical pressure in the process of fixing the PCB, the force provided to the PCB in the welding process is basically horizontal force, so as to increase the horizontal fixing force of the PCB, and in the process of pressing the auxiliary block 41 down, the first push plate 44 moves up in the second cavity 43, and is sucked through the first through hole 46, and in the process of pressing and deforming the rubber layer 42 in contact with the PCB, the adsorption force of the first through hole 46 is adsorbed on the surface of the PCB, so that the horizontal fixing force of the PCB is increased, and a stable environment is provided for welding the PCB.
As an embodiment of the present invention, the bottom end of the second cavity 43 is rotatably connected with a screw rod 51; a third groove 5 is formed in the bottom end of the first push rod 45, and the third groove 5 penetrates through the first push plate 44; a screw-nut pair is fixedly connected to the side wall of the penetrating point of the first push plate 44, and the end part of the screw 51, which is far away from the bottom end of the second cavity 43, extends into the third groove 5 and is connected to the screw-nut pair; a group of fan blades 52 are fixedly connected to the side wall of the lead screw 51, which is close to the bottom end of the second cavity 43; when the auxiliary block 41 is used for fixing a PCB in operation, the auxiliary block 41 moves downwards at the moment, the first push plate 44 moves upwards in the second cavity 43, the first push plate 44 drives the screw rod 51 to rotate in the upward moving process, the screw rod 51 rotates to drive the fan blade 52 to rotate for sucking air, and the adsorption effect of the rubber layer 42 on the PCB is improved; when the auxiliary block 41 needs to be fixed on the PCB, the fixing plate 27 moves upwards, the jacking block 31 moves downwards under the action of the spring, the auxiliary block 41 moves upwards under the action of the spring, the first pushing plate 44 is driven to move downwards in the second cavity 43, the screw rod 51 is driven to rotate reversely, the screw rod 51 rotates to drive the fan blade 52 to blow, the flow of air flow is accelerated, the adsorption effect is rapidly removed, and in the process of moving the auxiliary block 41 upwards, the first through hole 46 always blows outwards, so that the effect of rapid heat dissipation of the welded PCB can be achieved.
As an embodiment of the present invention, a group of fourth grooves 6 are formed at the bottom end of the rubber layer 42; a second elastic curved film 61 is fixedly connected in the fourth groove 6, and the curved direction of the second elastic curved film 61 faces the bottom of the fourth groove 6; a group of friction balls 63 are fixedly connected to the outer side wall of the second elastic curved film 61 through a first connecting rod 62; during operation, when the auxiliary block 41 is pressed down to fix the PCB, the friction ball 63 is extruded to move towards the fourth groove 6, the friction ball 63 is tightly attached to the PCB under the action of the second elastic curved film 61, the horizontal friction force of the PCB is increased, and the horizontal fixing effect of the PCB is improved.
As an embodiment of the present invention, a set of fifth grooves 64 are formed at the bottom end of the friction ball 63; the bottom of the fifth groove 64 is fixedly connected with a push rod 65 through a spring, and the push rod 65 is connected to the side wall of the fifth groove 64 in a sealing sliding manner; the second elastic curved film 61 and the bottom of the fifth groove 64 form a closed cavity, and the closed cavity and the fifth groove 64 are communicated with each other; during operation, during the process of moving the friction ball 63 into the fourth groove 6, the second elastic curved film 61 is driven to be extruded, the gas of the second elastic curved film 61 can enter the fifth groove 64 to push the ejector rod 65 to move outwards, and the end part of the ejector rod 65 can be propped against the PCB, so that the horizontal fixing effect of the PCB is further improved.
As an embodiment of the present invention, the side walls on both sides of the auxiliary block 41 are provided with a sixth groove 7, a group of elastic rods 73 are fixedly connected to the bottom of the sixth groove 7, and a vibration ball 72 is fixedly connected to the end of the elastic rod 73; a trapezoid block 71 is fixedly connected to the side wall, close to the bottom end, of the second groove 4, and a group of elastic protruding points are fixedly connected to the side walls of the two sides of the trapezoid block 71; the trapezoid block 71 and the sixth groove 7 correspond to each other, and the trapezoid block 71 and the vibration ball 72 are in contact with each other during the movement of the auxiliary block 41; during operation, in the process of upward movement and downward movement of the auxiliary block 41, the vibration balls 72 are in contact with the trapezoid blocks 71, vibration of the vibration balls 72 occurs under the action of the elastic protruding points and the elastic rods 73, the auxiliary block 41 is driven to generate vibration effect, welding impurities on the rubber layer 42 are removed through vibration, some welding impurities are prevented from being attached to the rubber layer 42, and the fixing effect of the PCB is guaranteed.
Working principle: after the telescopic rod 24 is adjusted to a position to be fixed, the hydraulic cylinder 25 is started, the fixing plate 27 is driven to be pressed downwards through the hydraulic rod 26, in the pressing process of the fixing plate 27, the top block 31 can be firstly contacted with the PCB, then the top block 31 moves towards the bottom of the first groove 3, in the moving process of the top block 31, the pressure rod 35 can extrude the first elastic curved film 33 to move downwards, the first elastic curved film 33 and the closed cavity of the bottom side wall of the first cavity 32 are extruded, gas is sprayed out through the first air outlet hole 34, the fixing range of the fixing plate 27 is cleaned, meanwhile, the gas in the first groove 3 enters the second groove 4 through a hose, the auxiliary block 41 is pushed to move outwards, when the top block 31 and the auxiliary block 41 are simultaneously contacted with the PCB, the PCB is just fixed at the moment, and a space is reserved between the auxiliary block 41 and the top block 31, so that heat of the PCB can not be accumulated on a cover surface in the welding process, and the heat can be quickly dissipated; in the process of pressing down the auxiliary block 41, at this time, the first push plate 44 moves upwards in the second cavity 43, and sucks air through the first through hole 46, so that the adsorption force of the first through hole 46 is adsorbed on the surface of the PCB in the process of pressing and deforming the rubber layer 42 in contact with the PCB, and the horizontal fixing force of the PCB is increased; when the auxiliary block 41 is used for fixing the PCB, the auxiliary block 41 moves downwards at the moment, the first push plate 44 moves upwards in the second cavity 43, the screw rod 51 is driven to rotate in the upward moving process of the first push plate 44, the fan blades 52 are driven to rotate and suck air by the rotation of the screw rod 51, and the adsorption effect of the rubber layer 42 on the PCB is improved; when the auxiliary block 41 needs to release the fixation of the PCB, the fixing plate 27 moves upwards, the top block 31 moves downwards under the action of a spring, the auxiliary block 41 moves upwards under the action of the spring, the first push plate 44 is driven to move downwards in the second cavity 43, the screw rod 51 is driven to rotate reversely, the fan blade 52 is driven to blow by the screw rod 51 to accelerate the flow of air flow, the adsorption effect is rapidly removed, and in the process of moving the auxiliary block 41 upwards, the first through hole 46 always blows outwards, so that the rapid heat dissipation effect can be achieved on the welded PCB; in the process of upward moving and downward moving of the auxiliary block 41, the vibration balls 72 are in contact with the trapezoid blocks 71, the vibration balls 72 vibrate under the action of the elastic protruding points and the elastic rods 73, the auxiliary block 41 is driven to generate vibration effect, welding impurities on the rubber layer 42 are removed through vibration, some welding impurities are prevented from being attached to the rubber layer 42, and the fixing effect of the PCB is guaranteed.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The welding jig is convenient for fixing the PCB and is characterized by comprising a welding plate (1); a welding groove (11) and a fixing piece (2) are formed in the welding plate (1); the fixing piece (2) comprises a support (21); the welding plate (1) is fixedly connected with symmetrically distributed supports (21); the support (21) is provided with a first through groove (22), and a rotating shaft (23) which is symmetrically distributed is rotationally connected with the first through groove (22); a telescopic rod (24) is fixedly connected to the rotating shaft (23), and a hydraulic cylinder (25) is fixedly connected to the end part, far away from the rotating shaft (23), of the telescopic rod (24); a hydraulic rod (26) is arranged in the hydraulic cylinder (25), and the hydraulic rod (26) penetrates through the telescopic rod (24) and is fixedly connected with a fixed plate (27); a group of placing grooves (28) are formed in the welding plate (1); a first groove (3) is formed in the center of the bottom end of the fixed plate (27); the bottom of the first groove (3) is fixedly connected with a top block (31) through a spring; a first cavity (32) is formed in the top block (31); a first elastic curved film (33) is fixedly connected in the first cavity (32), and the curved direction of the first elastic curved film (33) is downward; a group of first air outlet holes (34) are formed in the side wall of the first cavity (32), and the first air outlet holes (34) are communicated with a closed cavity formed by the first elastic curved film (33) and the side wall of the bottom end of the first cavity (32); a pressing rod (35) is fixedly connected to the bottom of the first groove (3), the bottom end of the pressing rod (35) extends into the first cavity (32) and is fixedly connected to the first elastic curved film (33), and the pressing rod (35) slides on a penetrating point on the top block (31);
the top block (31) is connected to the side wall of the first groove (3) in a sealing sliding manner; the bottom end of the fixing plate (27) surrounds the first groove (3) and is provided with a group of second grooves (4); an auxiliary block (41) is fixedly connected to the bottom of the second groove (4) through a spring; the auxiliary block (41) is connected in the second groove (4) in a sealing sliding way; the second groove (4) and the first groove (3) are communicated with each other through a hose;
the bottom end of the auxiliary block (41) is fixedly connected with a rubber layer (42); a second cavity (43) is formed in the auxiliary block (41); a first push plate (44) is connected to the side wall of the second cavity (43) in a sealing and sliding manner; the top end of the first push plate (44) is fixedly connected with a first push rod (45), the top end of the first push rod (45) penetrates through the second cavity (43) and is fixedly connected to the bottom of the second groove (4); a first through hole (46) is formed in the rubber layer (42), and the first through hole (46) penetrates through the bottom end of the auxiliary block (41) and is communicated with the second cavity (43);
a group of fourth grooves (6) are formed in the bottom end of the rubber layer (42); a second elastic curved film (61) is fixedly connected in the fourth groove (6), and the curved direction of the second elastic curved film (61) faces to the bottom of the fourth groove (6); a group of friction balls (63) are fixedly connected to the outer side wall of the second elastic curved film (61) through a first connecting rod (62).
2. The welding jig for facilitating the fixing of the PCB board according to claim 1, wherein a group of fifth grooves (64) are formed at the bottom ends of the friction balls (63); the bottom of the fifth groove (64) is fixedly connected with a push rod (65) through a spring, and the push rod (65) is connected to the side wall of the fifth groove (64) in a sealing sliding manner; the second elastic curved film (61) and the bottom of the fifth groove (64) form a closed cavity, and the closed cavity and the fifth groove (64) are communicated with each other.
3. The welding jig for facilitating the fixing of the PCB board according to claim 1, wherein the side walls of both sides of the auxiliary block (41) are provided with a sixth groove (7), a group of elastic bars (73) are fixedly connected to the bottom of the sixth groove (7), and vibration balls (72) are fixedly connected to the ends of the elastic bars (73); a trapezoid block (71) is fixedly connected to the side wall, close to the bottom end, of the second groove (4), and a group of elastic protruding points are fixedly connected to the side walls of the two sides of the trapezoid block (71); the trapezoid block (71) and the sixth groove (7) correspond to each other, and the trapezoid block (71) and the vibration ball (72) are in contact with each other during the movement of the auxiliary block (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343032.8A CN114364156B (en) | 2021-03-06 | 2021-03-06 | Welding jig convenient to fixed PCB board |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247603.1A CN113068323B (en) | 2021-03-06 | 2021-03-06 | Welding jig convenient to fixed PCB board |
| CN202111343032.8A CN114364156B (en) | 2021-03-06 | 2021-03-06 | Welding jig convenient to fixed PCB board |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110247603.1A Division CN113068323B (en) | 2021-03-06 | 2021-03-06 | Welding jig convenient to fixed PCB board |
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| CN114364156A CN114364156A (en) | 2022-04-15 |
| CN114364156B true CN114364156B (en) | 2024-01-23 |
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| CN202110247603.1A Active CN113068323B (en) | 2021-03-06 | 2021-03-06 | Welding jig convenient to fixed PCB board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114391754B (en) * | 2022-02-25 | 2023-04-14 | 广西美电智能制造有限公司 | Electric kettle convenient to use |
| CN114964335B (en) * | 2022-04-26 | 2023-03-28 | 广东科视光学技术股份有限公司 | PCB double-side detection device |
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| DE102005003370A1 (en) * | 2005-01-24 | 2006-07-27 | Juma Pcb Gmbh | Method for the continuous laying of a conductor wire on a printed circuit board and apparatus for carrying out the method |
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| KR100853081B1 (en) * | 2007-03-14 | 2008-08-19 | 주식회사 케이.에이.티 | Apparatus for separating pcb |
| CN206490910U (en) * | 2016-10-13 | 2017-09-12 | 天津华迈科技有限公司 | A kind of new circuit board paster auxiliary welding equipment |
| CN211457584U (en) * | 2020-01-21 | 2020-09-08 | 赵丹 | PCB positioning jig for communication |
| CN112130055A (en) * | 2020-09-02 | 2020-12-25 | 奥士康科技股份有限公司 | Auxiliary jig for PCB sheet production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114364156A (en) | 2022-04-15 |
| CN113068323A (en) | 2021-07-02 |
| CN113068323B (en) | 2021-12-07 |
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