CN118616832B - Welding device for intelligent automobile instrument circuit board pin header processing and welding method thereof - Google Patents
Welding device for intelligent automobile instrument circuit board pin header processing and welding method thereof Download PDFInfo
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- CN118616832B CN118616832B CN202410919310.7A CN202410919310A CN118616832B CN 118616832 B CN118616832 B CN 118616832B CN 202410919310 A CN202410919310 A CN 202410919310A CN 118616832 B CN118616832 B CN 118616832B
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- 238000003466 welding Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 152
- 238000005476 soldering Methods 0.000 claims abstract description 113
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 89
- 229910052742 iron Inorganic materials 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 235000008429 bread Nutrition 0.000 claims description 55
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000004804 winding Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910000679 solder Inorganic materials 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/063—Solder feeding devices for wire feeding
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
本申请涉及电路板焊接技术领域，且公开了智能汽车仪表电路板排针加工用焊接装置，主要由固定机构构成，所述工作台上活动设置有固定机构，且固定机构包括锡焊组件，用于精准焊接工件。本发明通过将锡焊组件由导丝组件和烙铁组件组成，在导丝组件内设置进给组件，利用进给组件引导锡丝移动，在烙铁组件内设置移动组件，利用移动组件促使活动管和烙铁头自旋转，当移动组件启动时进给组件同步启动，促使下移的锡丝一端被推动而与烙铁头的内壁接触，有效将锡丝该端熔融形成锡液，并沿着烙铁头内壁下移，由于烙铁头旋转而促使锡液被均匀流至插孔的各个部分，使得该焊点均匀饱满。
The present application relates to the technical field of circuit board welding, and discloses a welding device for processing pins on a circuit board of an intelligent automobile instrument, which is mainly composed of a fixing mechanism, and the fixing mechanism is movably arranged on the workbench, and the fixing mechanism includes a soldering assembly for precise welding of workpieces. The present invention comprises a soldering assembly consisting of a guide wire assembly and a soldering iron assembly, a feeding assembly is arranged in the guide wire assembly, the feeding assembly is used to guide the movement of the tin wire, a moving assembly is arranged in the soldering iron assembly, and the moving assembly is used to cause the movable tube and the soldering iron head to rotate by themselves. When the moving assembly is started, the feeding assembly is started synchronously, causing one end of the tin wire to be pushed downward and contact the inner wall of the soldering iron head, effectively melting the end of the tin wire to form tin liquid, and moving downward along the inner wall of the soldering iron head. Due to the rotation of the soldering iron head, the tin liquid is caused to flow evenly to various parts of the jack, so that the soldering point is evenly full.
Description
Technical Field
The application relates to the technical field of circuit board welding, in particular to a welding device and a welding method for intelligent automobile instrument circuit board pin header processing.
Background
The pin header is a PCB connector widely applied to electronics, electrical appliances and instruments, and has the function of playing a role of a bridge between blocked or isolated circuits in the circuits and carrying the task of shoulder current or signal transmission. In intelligent automobile meter circuit boards, pin headers play a very important role, which are not only responsible for connecting the various components, but also involve the transmission of current or signals. The existing circuit board and the pin header are generally connected by a soldering method, and the soldering needs to be performed by a soldering machine. During welding, firstly, the flat needle is fixed by using the bread board, the flat needle is inserted into the jack of the circuit board, then, the tin wire is melted by using an electric soldering iron at the position where the flat needle and the jack are to be connected, and the welding operation of the flat needle of the circuit board is completed after the tin wire is solidified.
However, the existing welding device has the defects that firstly, as the pin is possibly protruded out of the plane of the circuit board, tin wires are not easy to place on the jacks, and the electric soldering bit is not easy to melt the tin wires, so that welding spots on the circuit board are uneven, the welding quality is reduced, the attractiveness is also affected, and secondly, the bread board is easy to burn and melt due to excessive heating when in use, so that materials are damaged and cannot be repeatedly used.
Disclosure of Invention
The welding device for the intelligent automobile instrument circuit board pin header processing has the advantages of effectively improving the quality of welding spots and effectively preventing the bread board from being damaged by excessive heat, and is used for solving the problems that the welding quality is poor, the attractiveness is low and the bread board is easy to overheat and damage in the welding process due to the fact that tin wires and soldering tips are not easy to weld the raised pin header.
The welding device for the intelligent automobile instrument circuit board pin header processing comprises a working mechanism, a welding mechanism and a welding mechanism, wherein the working mechanism is used for placing a workpiece and improving the welding stability of the workpiece and consists of a workbench and a bread board, and the bread board is placed at the top end of the workbench;
The workpiece is a part to be processed and consists of a circuit board and a pin header, the circuit board is provided with a plurality of jacks, the circuit board is movably sleeved with one end of the pin header through the jacks, and the diameter of the jacks of the circuit board is larger than that of the pin header;
the fixing mechanism is movably arranged on the workbench and comprises a soldering component for precisely welding workpieces, and the soldering component consists of a guide wire component and a soldering iron component;
The front end of the fixing mechanism is provided with a guide wire assembly, and tin wires are movably arranged in the guide wire assembly and used for quantitatively conveying the tin wires;
And the soldering iron assembly is arranged on the outer side of the guide wire assembly and is used for melting tin wires and rotating, so that the full welding of the positions of the workpiece jacks is realized.
Further, a plurality of small holes are formed in the bread board, the bread board is movably sleeved with the other end of the pin header through the small holes, and the small holes of the bread board are matched with the pin header in size and are used for improving the welding stability of workpieces.
Further, clamping mechanisms are arranged at the top ends of the work tables positioned on the left side and the right side of the bread board, and two sides of a workpiece are respectively attached to the two clamping mechanisms for further improving the welding stability of the workpiece.
Further, the fixing mechanism further includes:
The support column is positioned at the top end of the workbench behind the bread board, the workbench is movably sleeved with the spiral shaft through the long groove, one end of the spiral shaft is movably connected with a rotating motor, the lower end of the support column is movably clamped with the long groove of the workbench, and the lower end of the support column is in threaded sleeve joint with the spiral shaft;
The upper end of the supporting column is provided with a groove, the supporting column is movably clamped with the supporting plate through the groove, and the wall surface of the supporting plate is provided with a plurality of fixing holes;
The fixing bolt, the perforation has been seted up to the upper end of support column, fixing bolt passes the perforation of support column and cup joints with a fixed orifices of backup pad.
Further, the guidewire assembly includes:
The guide hole is formed in the guide wire pipe, the guide wire pipe is movably sleeved with the tin wire through the guide hole, the diameter of the guide hole is larger than that of the tin wire, and the guide wire pipe is made of high-temperature-resistant heat-insulating materials;
And the two feeding assemblies are arranged in the wire guide tube and are oppositely arranged and used for providing power for downward movement of the tin wire.
Further, the feed assembly includes:
The guide hole is formed in the inner wall of the guide hole of the guide wire pipe, the length of the guide hole is shorter than that of the guide hole, the guide wire pipe is movably sleeved with the guide ring through the guide hole, the inner ring of the guide ring is movably sleeved with the tin wire, the guide ring is in interference fit with the tin wire, a vertical groove is formed in the guide wire pipe above the guide hole, the guide wire pipe is fixedly connected with one end of the vertical spring through the vertical groove, and the other end of the vertical spring is fixedly connected with the top end of the guide ring;
The wire guide pipe is movably sleeved with the feeding rope through the guide cavity, and one end of the feeding rope is fixedly connected with the bottom end of the feeding ring;
the feeding piece is fixedly clamped at the top end edge of the wire guide tube, a winding roller with a motor is arranged in the feeding piece, and the other end of the feeding rope is fixedly connected with the winding roller of the feeding piece.
Further, the soldering iron assembly includes:
The inner ring of the fixing ring is fixedly sleeved with the guide wire tube;
The number of the telescopic pieces is two, the two telescopic pieces are oppositely arranged, and one end of each telescopic piece is fixedly sleeved with the bottom end of the fixing ring;
the other end of the expansion piece is fixedly connected with the top end of the movable ring, and the inner ring of the movable ring is movably sleeved with the wire guide tube;
the inner ring of the movable tube is movably sleeved with the wire guide tube, the top end of the movable tube is attached to the bottom end of the movable ring, and the soldering iron head is made of high-temperature-resistant heat-insulating materials;
The bottom end of the movable tube is fixedly connected with the soldering iron head, a heating assembly is arranged in the soldering iron head, U-shaped holes are formed in two side wall surfaces of the soldering iron head, and the U-shaped holes are inverted U-shaped;
The movable part is movably clamped with the movable part through the movable hole, the movable part is in a T shape, one end of the movable part positioned outside the movable pipe is movably connected with the movable pipe through a transverse spring, the other end of the movable part positioned outside the movable pipe is provided with an arc groove, the movable part is clamped with a tin wire through the arc groove, and the movable part is made of a heat-resistant heat-insulating material;
the movable ring is internally and movably provided with movable components, the movable components are fixedly connected with the movable pipe, the number of the movable components is two, and the two movable components are oppositely arranged and are used for realizing the self-rotation of the movable pipe and the welding head, so that the uniformity and the attractiveness of welding spots of a workpiece are improved;
The auxiliary assembly is arranged in the movable ring and used for timely cooling the bread board.
Further, the moving assembly includes:
The movable ring is movably clamped with the movable body through the annular groove, the bottom end of the movable body is fixedly connected with the movable pipe, and the cross section of the movable body is T-shaped;
The top end of the moving body is fixedly connected with the moving block, and the top end of the moving block is arc-shaped;
the movable ring comprises a movable member, wherein one side of the movable member is provided with a movable groove, the movable member is movably connected with the movable member through the movable groove, one end of the movable member is provided with a rotating motor, the opening and closing of the rotating motor in the movable member are synchronous with the motor in the feeding member, the wall surface of the movable ring located at the outermost side of the ring groove is provided with a tooth groove, and the movable ring is meshed with the movable member through the tooth groove.
Further, the auxiliary assembly includes:
the deformation bags are fixedly connected to the top ends of the annular grooves of the movable rings, the number of the deformation bags is a plurality of, the deformation bags are uniformly arranged around the movable rings, and the deformation bags are made of flexible rubber materials;
The inner part of the movable ring is fixedly sleeved with an air inlet pipe, one end of the air inlet pipe is communicated with the outside, the other end of the air inlet pipe is fixedly communicated with the deformation bag, a one-way valve is arranged in the air inlet pipe, and the air flow direction of the one-way valve is from the outside to the deformation bag;
The inner part of the movable ring is fixedly sleeved with an air outlet pipe, one end of the air outlet pipe is fixedly communicated with the deformation bag, a one-way valve is arranged in the air outlet pipe, and the air flow direction of the one-way valve is from the deformation bag to the annular pipe;
The inner part of the movable ring is fixedly sleeved with a ring pipe, and the other end of the air outlet pipe is fixedly communicated with the ring pipe;
The exhaust pipe is fixedly communicated with the annular pipe at one end, the wall surface of the exhaust pipe is attached to the supporting column through two limiting pieces, the exhaust pipe above the limiting pieces is made of flexible materials, and the exhaust pipe below the limiting pieces is made of hard materials;
The other end of the exhaust pipe is fixedly communicated with the exhaust head, and the exhaust head faces the obliquely-backward bread board.
Further, the welding method of the welding device for the intelligent automobile instrument circuit board pin header processing comprises the following steps:
The method comprises the steps of firstly, installing a workpiece above a working mechanism, clamping and fixing the workpiece by using a clamping mechanism, then adjusting the position of a fixing mechanism, inserting a tin wire into a wire guide assembly, and electrifying and preheating a soldering bit;
Secondly, moving the movable ring, the movable pipe and the soldering bit downwards by using the telescopic piece to enable the soldering bit to cover the jack of the workpiece, and then starting the feeding piece to enable the feeding ring to drive the tin wire to move downwards, so that one end of the tin wire is limited by the movable piece to be contacted with the soldering bit and melt, and molten tin drops into the jack of the workpiece along the soldering bit;
Thirdly, starting the moving piece at the same time, so that the moving assembly drives the movable tube and the soldering iron head to rotate automatically, and therefore tin liquid flows to each part of the jack uniformly by the soldering iron head, and the welding spots are even and full;
Fourthly, when the moving assembly rotates in the annular groove, the moving block effectively extrudes the deformation bag to enable the exhaust pipe to continuously exhaust gas, so that the bread board is cooled;
And fifthly, after welding of one jack is completed, the fixing mechanism horizontally moves to enable the soldering iron head to cover the next jack, the soldering iron head is reciprocated in the manner until welding is completed, and finally the soldering iron head is moved upwards by utilizing the telescopic piece to enable the soldering iron component to be far away from the workpiece.
The application has the following beneficial effects:
According to the welding device for the intelligent automobile instrument circuit board pin header processing, the tin soldering assembly consists of the wire guide assembly and the soldering iron assembly, the feeding assembly is arranged in the wire guide assembly, the tin wire is guided to move by the feeding assembly, the moving assembly is arranged in the soldering iron assembly, the moving assembly is used for promoting the moving tube and the soldering iron head to rotate automatically, when the moving assembly is started, the feeding assembly is synchronously started, one end of the tin wire which moves downwards is promoted to be pushed to be contacted with the inner wall of the soldering iron head, the end of the tin wire is effectively melted to form tin liquid, the tin liquid moves downwards along the inner wall of the soldering iron head, the tin liquid is promoted to uniformly flow to each part of the jack due to rotation of the soldering iron head, so that the welding point is uniform, and simultaneously, the rotation number of the soldering iron assembly and the feeding amount of the tin wire are uniformly limited, so that the uniformity of the welding point in each jack on the circuit board is effectively enhanced, the welding quality is improved, and the aesthetic degree of the welding point is ensured.
Through set up auxiliary assembly in the flatiron subassembly, when moving the subassembly along the annular and remove, the movable block constantly extrudees each deformation bag, effectively will utilize the gas transfer that the intake pipe was collected to the outlet duct in, finally utilize the exhaust head to arrange to just finishing welding operation's bread board department to effectively in time cool down the bread board, prevent that the bread board from excessively being heated and damaging, improve the utilization ratio of bread board.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
The application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a perspective view of the whole structure of the present invention;
FIG. 2 is a perspective view of the whole of the present invention in section of the fixing mechanism;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A in the present invention;
FIG. 4 is a perspective view of the working mechanism of the present invention;
FIG. 5 is a perspective view of a workpiece and a clamping mechanism in accordance with the present invention;
FIG. 6 is a perspective view of the fixing mechanism of the present invention;
FIG. 7 is a perspective view of a soldering assembly according to the present invention;
FIG. 8 is a perspective view of a guidewire assembly according to the present invention;
FIG. 9 is a cross-sectional perspective view of a guidewire assembly according to the present invention;
FIG. 10 is an enlarged block diagram of FIG. 9B in accordance with the present invention;
FIG. 11 is a perspective view of a soldering iron assembly of the present invention;
FIG. 12 is a cross-sectional perspective view of a soldering iron assembly of the present invention;
FIG. 13 is a perspective view of the movable ring and the moving assembly and auxiliary assembly of the present invention;
FIG. 14 is a perspective view of the lower movable ring half and the movable assembly in a top view in accordance with the present invention;
FIG. 15 is a perspective view of the upper half of the movable ring and auxiliary assembly of the present invention in a bottom view;
FIG. 16 is a perspective view of an accessory assembly of the present invention in a cross section of a movable ring;
FIG. 17 is a perspective view of a movable tube and a movable assembly according to the present invention;
Fig. 18 is a cross-sectional perspective view of a moving assembly having a moving member according to the present invention.
The device comprises a working mechanism 1, a working table 12, a bread board 13, a screw shaft 2, a workpiece 21, a circuit board 22, a pin, a clamping mechanism 3, a clamping mechanism 31, a clamping table 32, a screw rod 33, a clamping plate 4, a fixing mechanism 41, a support column 42, a support plate 43, a fixing bolt 44, a soldering assembly 5, a wire guide assembly 51, a wire guide tube 50, a tin wire 6, a soldering iron assembly 61, a fixing ring 62, a telescopic piece 63, a movable ring 64, a movable tube 65, a soldering iron head 66, a movable piece 7, a movable assembly 71, a movable body 72, a movable block 73, a movable piece 8, an auxiliary assembly 81, a deformation capsule 82, an air inlet pipe 83, an air outlet pipe 84, a loop pipe 85, an air outlet pipe 86, an air outlet head 80, a limiting piece 9, a feeding assembly 91, a feeding ring 92, a feeding rope 93 and a feeding piece.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Welding device for intelligent automobile instrument circuit board pin header processing, including:
referring to fig. 1-2 and 4, a working mechanism 1 is used for placing a workpiece 2 and improving welding stability of the workpiece 2, the working mechanism 1 is composed of a working table 11, a bread board 12 and a screw shaft 13, the top end of the working table 11 is provided with the bread board 12, specifically, the top end of the working table 11 is provided with four short columns, four corners of the bread board 12 are provided with short holes, the bread board 12 is movably sleeved with the short columns of the working table 11 through the short holes, the bread board 12 can be stably fixed above the working table 11, the top end of the working table 11 positioned behind the bread board 12 is provided with a long groove, the working table 11 is movably sleeved with the screw shaft 13 through the long groove, one end of the screw shaft 13 is movably connected with a rotating motor, and the rotating motor can drive the screw shaft 13 to rotate so as to provide power for horizontal movement of a subsequent fixing mechanism 4.
Referring to fig. 1-3 and 5, a workpiece 2 is a part to be processed, the workpiece 2 is composed of a circuit board 21 and a pin 22, the circuit board 21 is provided with a plurality of jacks, the circuit board 21 is movably sleeved with one end of the pin 22 through the jacks, the diameter of the jacks of the circuit board 21 is larger than that of the pin 22, the circuit board 21 and the pin 22 are conveniently soldered, the bread board 12 is provided with a plurality of small holes, the bread board 12 is movably sleeved with the other end of the pin 22 through the small holes, the bread board 12 in fig. 1 is provided with seven rows of small holes, the small holes of the bread board 12 are matched with the pin 22 in size, and the pin 22 can be ensured to be stably and vertically arranged on the bread board 12, so that the stability of the circuit board 21 and the pin 22 during soldering is improved.
Referring to fig. 1-2 and 5, the clamping mechanisms 3 are respectively arranged at the top ends of the working tables 11 at the left side and the right side of the bread board 12, the two sides of the workpiece 2 are respectively attached to the two clamping mechanisms 3 for further improving the welding stability of the workpiece 2, specifically, the clamping mechanisms 3 are composed of a clamping table 31, a spiral rod 32 and a clamping plate 33, the clamping table 31 is fixedly connected with the working table 11, a threaded hole is formed in the clamping table 31, the clamping table 31 is in threaded sleeve joint with the spiral rod 32 through the threaded hole, one end of the spiral rod 32 is movably clamped with the clamping plate 33, the spiral rod 32 and the clamping plate 33 are respectively arranged above the bread board 12, the clamping plate 33 is attached to one end of the circuit board 21, namely, after the arrangement of pins 22 and the circuit board 12 are respectively sleeved by workers, the spiral rod 32 is manually rotated, the two sides of the circuit board 21 are attached to the clamping plate 33, and the stability of the placement of the workpiece 2 is further ensured.
Referring to fig. 1-3 and 6-12, the fixing mechanism 4 is movably disposed in the long slot of the working table 11, the fixing mechanism 4 is composed of a support column 41, a support plate 42, a fixing bolt 43 and a soldering component 44, and is used for precisely welding the workpiece 2, the lower end of the support column 41 is movably clamped with the long slot of the working table 11, the lower end of the support column 41 is in threaded sleeve joint with the screw shaft 13, when the screw shaft 13 rotates, the fixing mechanism 4 can horizontally move in the long slot, so that continuous one-by-one welding of components in the jack of the workpiece 2 is realized, the upper end of the support column 41 is provided with a groove, the support column 41 is movably clamped with the support plate 42 through the groove, the wall surface of the support plate 42 is provided with a plurality of fixing holes, the number of the fixing holes in fig. 1 is six, the soldering component 44 can change the welding position of the workpiece 2 through the front and back movement of the support plate 42, the fixing bolt 43 passes through the through hole of the support column 41 and is sleeved with one fixing hole of the support plate 42, the stability of the connection of the support column 41 and the support plate 42 is effectively realized by the fixing bolt 43, the soldering component 44 is fixed at the front end of the support plate 42 and the guide wire component 6 is sleeved with the soldering component 6.
Referring to fig. 1-3 and 6-10, the front end of the fixing mechanism 4 is provided with a wire guide assembly 5, and the wire guide assembly 5 is internally and movably provided with a tin wire 50 for quantitatively conveying the tin wire 50, the wire guide assembly 5 is composed of a wire guide tube 51 and a feeding assembly 9, a guide hole is formed in the wire guide tube 51, the wire guide tube 51 is movably sleeved with the tin wire 50 through the guide hole, the diameter of the guide hole is larger than that of the tin wire 50, the tin wire 50 can be conveniently installed in the wire guide tube 51, the wire guide tube 51 is made of a high-temperature-resistant heat-insulating material, and the temperature influence of the tin wire 50 in the wire guide tube 51 from the soldering iron 6 can be effectively reduced.
Referring to fig. 2-3 and 7-10, the feeding assembly 9 is provided with two feeding assemblies 9 inside the wire guide tube 51, and the two feeding assemblies 9 are oppositely arranged to provide power for the downward movement of the tin wire 50, the feeding assembly 9 is composed of a feeding ring 91, a feeding rope 92 and a feeding member 93, a guide groove is provided on the inner wall of the guide hole of the wire guide tube 51, the length of the guide groove is shorter than that of the guide hole, the wire guide tube 51 is movably sleeved with the feeding ring 91 through the guide groove, the feeding ring 91 can only move in the guide groove, the inner ring of the feeding ring 91 is movably sleeved with the tin wire 50, the feeding ring 91 is in interference fit with the tin wire 50, the section of the tin wire 50 is effectively clamped, the feeding ring 91 can drive the section of the tin wire 50 to move downward, a vertical groove is provided inside the wire guide tube 51 above the guide groove, the wire guide tube 51 is fixedly connected with one end of the vertical spring through the vertical groove, the other end of the vertical spring is fixedly connected with the top end of the feed ring 91, the vertical spring is in an original state when the feed ring 91 is positioned at the highest point of the guide groove, the vertical spring is stretched in the process of continuously downwards moving the feed ring 91, so that power is effectively provided for the subsequent upwards moving of the feed ring 91 by the vertical spring, a guide cavity is formed in the guide wire pipe 51, the guide wire pipe 51 is movably sleeved with the feed rope 92 through the guide cavity, one end of the feed rope 92 is fixedly connected with the bottom end of the feed ring 91, the feed piece 93 is fixedly clamped at the top end edge of the guide wire pipe 51, a winding roller with a motor is arranged in the feed piece 93, the other end of the feed rope 92 is fixedly connected with the winding roller of the feed piece 93, a worker can effectively drive the winding and unwinding of the feed rope 92 through controlling the rotation direction of the winding roller in the feed piece 93, so that the up-down movement of the feed ring 91 is realized, meanwhile, a worker can effectively limit the feeding amount of the tin wire 50 by controlling the rotating speed and the starting time of the wind-up roller in the feeding piece 93, so that the workpiece 2 is ensured to be sufficiently welded.
Referring to fig. 1-3, 6-7 and 11-16, a soldering iron assembly 6 is shown in fig. 6, a soldering iron assembly 6 is arranged on the outer side of a wire guide assembly 5, and is used for melting tin wires 50 and rotating to fully weld the jack positions of workpieces 2, the soldering iron assembly 6 consists of a fixed ring 61, a telescopic piece 62, a movable ring 63, a movable tube 64, a soldering iron head 65, a movable piece 66 and a movable assembly 7, an inner ring of the fixed ring 61 is fixedly sleeved with the wire guide tube 51 to provide a supporting point for stable movement of the movable ring 63 and other components, the number of the telescopic pieces 62 is two, two telescopic pieces 62 are oppositely arranged, one end of each telescopic piece 62 is fixedly sleeved with the bottom end of the fixed ring 61, the other end of each telescopic piece 62 is fixedly connected with the top end of the movable ring 63, the up-and-down movement of the movable ring 63 can be realized by controlling the telescopic pieces 62, the inner ring of the movable ring 63 is movably sleeved with the wire guide tube 51 to provide mounting positions for the movable tube 64 and other components, the inner ring of the movable tube 64 is movably sleeved with the wire guide tube 51, the top end of the movable tube 64 is attached to the bottom end of the movable ring 63, the soldering iron head 65 is made of high-temperature resistant heat insulation material, when the soldering iron assembly 6 is used for welding the workpiece 2, the lower end face of the movable tube 64 is lower than the lower end face of the wire guide tube 51, one end of the tin wire 50 extending out of the wire guide tube 51 can be effectively insulated by the movable tube 64, so that the tin wire 50 just extending out can not be melted, the shape is effectively limited by the soldering iron head 65, the bottom end of the movable tube 64 is fixedly connected with the soldering iron head 65, a heating assembly is arranged in the soldering iron head 65, the heating assembly can heat the tin wire 50, U-shaped holes are formed in the two side wall faces of the soldering iron head 65, the U-shaped holes are in the shape of inverted U-shaped, the wire guide tube 51 can be continuously and horizontally moved without being separated from the top face of the workpiece 2 when encountering the raised pin array 22, the molten tin can be effectively converged, the molten tin can accurately enter the jack of the circuit board 21 along with the rotation of the soldering bit 65, the circuit board 21 and the pin 22 are fully welded, the lower end of the movable tube 64 is provided with a movable hole, the movable hole is positioned above the two U-shaped grooves, the movable tube 64 is movably clamped with the movable piece 66 through the movable hole, the movable piece 66 is in a T-shaped shape, one end of the movable piece 66 positioned outside the movable tube 64 is movably connected with the movable tube 64 through a transverse spring, the other end of the movable piece 66 positioned outside the movable tube 64 is provided with an arc groove, the movable piece 66 is clamped with the tin wire 50 through the arc groove, when the soldering iron assembly 6 is used for welding the workpiece 2, the arc groove of the movable piece 66 is far away from the movable hole, so that the tin wire 50 is pushed to be bent, one end of the tin wire 50 is effectively attached to the inner wall of the soldering bit 65, the end of the tin wire 50 is ensured to be melted, the movable piece 66 is downwards dripped into the jack of the workpiece 2 through the soldering bit 65, the movable piece 66 is a heat-resistant heat insulation material, and the effect of the tin wire 50 is prevented from being influenced by bending the tin wire 50 when the movable piece 66 is in contact with the tin wire 50.
Referring to fig. 2-3, 12, 14, and 17-18, a moving assembly 7 is movably disposed in the moving ring 63, the moving assembly 7 is fixedly connected with the moving tube 64, the number of the moving assemblies 7 is two, and the two moving assemblies 7 are disposed opposite to each other, so as to realize the self-rotation of the moving tube 64 and the soldering bit 65, improve the uniformity and the aesthetic degree of the soldering point of the workpiece 2, the moving assembly 7 is composed of a moving body 71 and a moving member 73, the bottom end of the moving ring 63 is provided with a ring groove, the cross-section shape of the ring groove is a cross shape, the moving ring 63 is movably clamped with the moving body 71 through the ring groove, the bottom end of the moving body 71 is fixedly connected with the moving tube 64, the cross-section shape of the moving body 71 is a T-shape, the moving body 71 can rotate in the ring groove, thereby driving the moving tube 64 to rotate automatically, one side of one movable body 71 is provided with a movable groove, the movable body 71 is movably connected with the movable piece 73 through the movable groove, one end of the movable piece 73 is provided with a rotating motor, the opening and closing of the rotating motor in the movable assembly 7 are synchronous with the motor in the feeding assembly 9, namely, when the movable piece 73 is started to rotate, the feeding piece 93 is started and winds the feeding rope 92, the wall surface of the movable ring 63 positioned at the outermost side of the annular groove is provided with a tooth groove, the movable ring 63 is meshed with the movable piece 73 through the tooth groove, and when the movable piece 73 rotates automatically, the movable piece 73 is acted by the tooth groove to enable the movable assembly 7 to rotate in the annular groove of the movable ring 63, so that the movable pipe 64 and a part below the movable pipe are driven to rotate automatically, and even blanking of molten tin is realized, namely molten tin is enabled to flow evenly to all parts of an inserting hole, and the welding point is enabled to be even and full.
Example two
On the basis of the first embodiment, the moving assembly 7 further includes:
Referring to fig. 2-3, 12, 14, and 17-18, the moving block 72 is fixedly connected to the top end of the moving body 71, the top end of the moving block 72 is arc-shaped, and the moving block 72 is utilized to effectively squeeze the deformation bag 81, so as to realize the reciprocating deformation of the deformation bag 81, thereby continuously conveying the gas for the bread board 12.
The soldering iron assembly 6 further comprises:
Referring to fig. 1-3, 10-13, and 15-16, an auxiliary component 8 is disposed in the movable ring 63 for timely cooling the bread board 12, preventing the bread board 12 from being overheated and damaged, the auxiliary component 8 is composed of a deformation bag 81, an air inlet pipe 82, an air outlet pipe 83, a ring pipe 84, an air outlet pipe 85, and an air outlet head 86, the deformation bag 81 is fixedly connected to the top end of the ring groove of the movable ring 63, the number of the deformation bags 81 is several and uniformly disposed around the movable ring 63, the number of the deformation bags 81 is related to the size of the soldering iron component 6, the number of the deformation bags 81 in fig. 15 is eighteen, the deformation bags 81 are made of flexible rubber materials, when the deformation bags 81 are pressed, the deformation bags 81 can be compressed to discharge the internal gas, when the deformation bags 81 are not pressed, the deformation bags 81 are rebound due to the influence of the self materials, and the external gas is conveyed into the deformation bags 81, the inside of the movable ring 63 is fixedly sleeved with an air inlet pipe 82, one end of the air inlet pipe 82 is communicated with the outside, the other end of the air inlet pipe 82 is fixedly communicated with the deformation bag 81, a one-way valve is arranged in the air inlet pipe 82, the air flow direction of the one-way valve is from the outside to the deformation bag 81, the air can be effectively supplemented after the deformation bag 81 is compressed, the inside of the movable ring 63 is fixedly sleeved with an air outlet pipe 83, one end of the air outlet pipe 83 is fixedly communicated with the deformation bag 81, the inside of the air outlet pipe 83 is provided with the one-way valve, the air flow direction of the one-way valve is from the deformation bag 81 to a ring pipe 84, the deformation bag 81 can be compressed and discharged, the inside of the movable ring 63 is fixedly sleeved with the ring pipe 84, the other end of the air outlet pipe 83 is fixedly communicated with the ring pipe 84, the compressed and discharged air of the deformation bags 81 can be collected, one end of the air outlet pipe 85 is fixedly communicated with the ring pipe 84, the wall of blast pipe 85 passes through two locating parts 80 and the laminating of support column 41, and the blast pipe 85 that is located locating part 80 top is flexible material, can be along with the oscilaltion of expansion ring 63 and deformation, the blast pipe 85 that is located locating part 80 below is hard material, its shape can not change again after restricting the direction of blast pipe 85, effectively guarantee the accuracy of gas exhaust direction, the other end and the fixed intercommunication of exhaust head 86 of blast pipe 85, and the bread board 12 of the oblique rear of exhaust head 86 face, effectively promote the exhaust head 86 to cool down to just accomplish the bread board 12 of welding operation, thereby realize the protection to bread board 12.
Examples
On the basis of the second embodiment, referring to fig. 1-18, a welding method of a welding device for processing a pin header of an intelligent automobile instrument circuit board includes the following steps:
The first step is that the workpiece 2 is installed above the working mechanism 1 and clamped and fixed by the clamping mechanism 3, so that the stability of the workpiece 2 during welding is effectively ensured, then the position of the fixing mechanism 4 is adjusted, the tin wire 50 is inserted into the guide wire assembly 5, and the soldering bit 65 is electrified and preheated, so that preparation is made for subsequent accurate welding.
Secondly, the telescopic piece 62 is utilized to move the movable ring 63, the movable pipe 64 and the soldering bit 65 downwards, so that the soldering bit 65 covers the insertion hole of the workpiece 2, the dropping range of molten tin is limited effectively, then the feeding piece 93 is started, the feeding ring 91 drives the tin wire 50 to move downwards, one end of the tin wire 50 is limited by the movable piece 66 and is contacted with the soldering bit 65 and melted, and molten tin drops into the insertion hole of the workpiece 2 along the soldering bit 65.
Third, at the same time, the moving member 73 is started, so that the moving assembly 7 drives the moving tube 64 and the soldering iron head 65 to rotate automatically, and therefore the solder liquid is uniformly flowed to each part of the jack by the soldering iron head 65, and the welding spots are uniform and full.
Fourth, when the moving assembly 7 rotates in the ring groove, the moving block 72 effectively presses the deformation bladder 81 to continuously exhaust the exhaust pipe 85, thereby cooling the bread board 12 and preventing the bread board 12 from being damaged due to excessive heating.
Fifth, after welding one jack is completed, the fixing mechanism 4 moves horizontally to make the soldering iron tip 65 cover the next jack, so that the soldering iron tip 65 reciprocates until welding is completed, and finally, the soldering iron assembly 6 is far away from the workpiece 2 by moving the soldering iron tip 65 upwards through the telescopic piece 62.
The working principle of the using method of the invention is as follows:
When welding is needed, the bread board 12 is stably placed on the workbench 11, the lower end of the pin 22 is sleeved on the bread board 12, the upper end of the pin 22 is sleeved with the jack of the circuit board 21, finally the circuit board 21 is clamped and fixed by the clamping mechanism 3, so that the stability of the workpiece 2 during welding is ensured, the initial position of the fixing mechanism 4 in the long groove is adjusted, the tin wire 50 with a proper length is inserted into the guide hole of the wire guide tube 51, the feeding ring 91 is used for fixing and clamping, so that the tin wire 50 can move along with the starting of the feeding assembly 9, then the soldering iron head 65 is electrified and preheated to prepare for the subsequent molten tin wire 50, after the preparation operation is finished, the movable ring 63, the movable tube 64 and the soldering iron head 65 are moved downwards by the telescopic piece 62, so that the soldering iron head 65 covers the jack of the workpiece 2, thereby effectively limiting the dropping range of tin liquor, avoiding tin liquor from overflowing, then starting the feeding piece 93, so that the feeding ring 91 drives the tin wire 50 to move downwards, one end of the tin wire 50 is limited by the movable piece 66 and is contacted with the inner wall of the soldering iron head 65 and melted, molten tin liquor is effectively enabled to drop into the jack of the workpiece 2 along the soldering iron head 65, meanwhile, the moving piece 73 is started, the moving assembly 7 drives the movable tube 64 and the soldering iron head 65 to rotate automatically, so that the tin liquor uniformly flows to all parts of the jack by the soldering iron head 65, the welding spots are uniformly full, and as the rotation number of the soldering iron assembly 6 and the feeding amount of the tin wire 50 are uniformly limited, the uniformity of the welding spots in all the jacks on the circuit board 21 is effectively enhanced, the welding quality is improved, and the beauty of the welding spots is ensured.
When the moving assembly 7 rotates in the annular groove, the moving block 72 can be continuously contacted with each deformation bag 81, so that the deformation bags 81 are effectively extruded, gas in the deformation bags 81 is finally continuously discharged by the exhaust pipe 85, cooling treatment is performed on the bread board 12, the bread board 12 is prevented from being damaged due to excessive heating, and the utilization rate of the bread board 12 is improved.
After the welding of one jack is completed, the fixing mechanism 4 moves horizontally to enable the soldering iron head 65 to cover the next jack, and the operation is repeated until all jacks are welded, and finally the movable piece 66 is moved outwards and the soldering iron head 65 is moved upwards by the telescopic piece 62, so that the soldering iron assembly 6 is far away from the workpiece 2, and the welding operation of the workpiece 2 is achieved.
Claims (9)
1. Welding device for intelligent automobile instrument circuit board pin header processing, which is characterized by comprising:
The working mechanism (1) is used for placing a workpiece (2) and improving the welding stability of the workpiece (2), the working mechanism (1) consists of a working table (11) and a bread board (12), and the bread board (12) is placed at the top end of the working table (11);
The workpiece (2) is a part to be processed, the workpiece (2) consists of a circuit board (21) and a pin header (22), the circuit board (21) is provided with a plurality of jacks, the circuit board (21) is movably sleeved with one end of the pin header (22) through the jacks, and the diameter of the jacks of the circuit board (21) is larger than that of the pin header (22);
The fixing mechanism (4) is movably arranged on the workbench (11), the fixing mechanism (4) comprises a soldering component (44) and a supporting plate (42) and is used for precisely welding the workpiece (2), the soldering component (44) is fixedly sleeved at the front end of the supporting plate (42), and the soldering component (44) consists of a wire guide component (5) and a soldering iron component (6);
The device comprises a guide wire assembly (5), wherein a tin wire (50) is movably arranged in the guide wire assembly (5) and used for quantitatively conveying the tin wire (50), and the guide wire assembly (5) comprises a guide wire pipe (51) and a feeding assembly (9);
The soldering iron assembly (6) is arranged on the outer side of the wire guide assembly (5) and is used for melting tin wires (50) and rotating so as to fully weld the jack positions of the workpieces (2);
the soldering iron assembly (6) comprises:
the inner ring of the fixing ring (61) is fixedly sleeved with the guide wire tube (51);
The number of the telescopic pieces (62) is two, the two telescopic pieces (62) are oppositely arranged, and one end of each telescopic piece (62) is fixedly sleeved with the bottom end of the corresponding fixing ring (61);
the other end of the expansion piece (62) is fixedly connected with the top end of the expansion ring (63), and the inner ring of the expansion ring (63) is movably sleeved with the wire guide tube (51);
the inner ring of the movable tube (64) is movably sleeved with the guide wire tube (51), and the top end of the movable tube (64) is attached to the bottom end of the movable ring (63);
The welding head (65), the bottom end of the movable tube (64) is fixedly connected with the welding head (65), a heating component is arranged in the welding head (65), U-shaped holes are formed in the two side wall surfaces of the welding head (65), and the U-shaped holes are inverted U-shaped;
The movable piece (66), a movable hole is formed in the lower end of the movable pipe (64), the movable hole is located above the space between the two U-shaped grooves, the movable pipe (64) is movably clamped with the movable piece (66) through the movable hole, the movable piece (66) is in a T shape, one end of the movable piece (66) located outside the movable pipe (64) is movably connected with the movable pipe (64) through a transverse spring, an arc groove is formed in the other end of the movable piece (66) located outside the movable pipe (64), the movable piece (66) is clamped with the tin wire (50) through the arc groove, and the movable piece (66) is made of a high-temperature-resistant heat insulation material;
The movable ring (63) is internally and movably provided with movable assemblies (7), the movable assemblies (7) are fixedly connected with the movable pipes (64), the number of the movable assemblies (7) is two, and the two movable assemblies (7) are oppositely arranged and are used for realizing the self-rotation of the movable pipes (64) and the soldering iron heads (65) and improving the uniformity and the attractive degree of welding spots of the workpieces (2);
the moving assembly (7) comprises:
The movable ring (63) is movably clamped with the movable body (71) through the annular groove, the bottom end of the movable body (71) is fixedly connected with the movable pipe (64), and the cross section of the movable body (71) is T-shaped;
The movable block (72), the top end of the movable body (71) is fixedly connected with the movable block (72), and the top end of the movable block (72) is arc-shaped;
one side of the moving body (71) is provided with a moving groove, the moving body (71) is movably connected with the moving body (73) through the moving groove, one end of the moving body (73) is provided with a rotating motor, the opening and closing of the rotating motor in the moving assembly (7) are synchronous with the motor in the feeding assembly (9), tooth grooves are formed in the wall surface of the movable ring (63) located at the outermost side of the annular groove, and the movable ring (63) is meshed with the moving body (73) through the tooth grooves.
2. The welding device for intelligent automobile instrument circuit board pin header processing according to claim 1, wherein the bread board (12) is provided with a plurality of small holes, the bread board (12) is movably sleeved with the other end of the pin header (22) through the small holes, and the small holes of the bread board (12) are adaptive to the size of the pin header (22) and are used for improving the welding stability of the workpiece (2).
3. The welding device for intelligent automobile instrument circuit board pin header processing according to claim 2, wherein clamping mechanisms (3) are arranged at the top ends of work tables (11) positioned on the left side and the right side of the bread board (12), and two sides of a workpiece (2) are respectively attached to the two clamping mechanisms (3) for further improving the welding stability of the workpiece (2).
4. The welding device for intelligent automobile instrument circuit board pin header processing according to claim 3, wherein the fixing mechanism (4) further comprises:
the support column (41) is arranged at the top end of the workbench (11) at the rear of the bread board (12), the workbench (11) is movably sleeved with the screw shaft (13) through the long groove, one end of the screw shaft (13) is movably connected with the rotating motor, the lower end of the support column (41) is movably clamped with the long groove of the workbench (11), and the lower end of the support column (41) is in threaded sleeve joint with the screw shaft (13);
the support plate (42) is provided with a groove at the upper end of the support column (41), the support column (41) is movably clamped with the support plate (42) through the groove, and a plurality of fixing holes are formed in the wall surface of the support plate (42);
the fixing bolt (43), the perforation has been seted up to the upper end of support column (41), fixing bolt (43) pass the perforation of support column (41) and cup joint with a fixed orifices of backup pad (42).
5. The welding device for intelligent automobile instrument circuit board pin header processing according to claim 4, wherein the wire guide assembly (5) comprises:
the guide hole is formed in the guide wire tube (51), the guide wire tube (51) is movably sleeved with the tin wire (50) through the guide hole, the diameter of the guide hole is larger than that of the tin wire (50), and the guide wire tube (51) is made of high-temperature-resistant heat-insulating materials;
the feeding assembly (9), the inside of the wire guide tube (51) is provided with two feeding assemblies (9), and the two feeding assemblies (9) are oppositely arranged and are used for providing power for the downward movement of the tin wire (50).
6. The welding device for intelligent automobile instrument circuit board pin header processing according to claim 5, wherein the feeding assembly (9) comprises:
The guide hole inner wall of the guide wire pipe (51) is provided with a guide groove, the length of the guide groove is shorter than that of the guide hole, the guide wire pipe (51) is movably sleeved with the guide ring (91) through the guide groove, the inner ring of the guide ring (91) is movably sleeved with the tin wire (50), the guide ring (91) is in interference fit with the tin wire (50), a vertical groove is formed in the guide wire pipe (51) above the guide groove, the guide wire pipe (51) is fixedly connected with one end of a vertical spring through the vertical groove, and the other end of the vertical spring is fixedly connected with the top end of the guide ring (91);
The feeding rope (92) is provided with a guide cavity inside the guide wire pipe (51), the guide wire pipe (51) is movably sleeved with the feeding rope (92) through the guide cavity, and one end of the feeding rope (92) is fixedly connected with the bottom end of the feeding ring (91);
The feeding piece (93), feeding piece (93) fixed joint is at the top edge of seal wire pipe (51), and the inside of feeding piece (93) is provided with the wind-up roll of taking the motor, the other end and the wind-up roll fixed connection of feeding piece (93) of feeding rope (92).
7. The welding device for intelligent automobile instrument circuit board pin header processing according to claim 6, wherein the soldering iron assembly (6) further comprises:
The auxiliary assembly (8), the inside of expansion ring (63) is provided with auxiliary assembly (8) for in time cooling down to bread board (12).
8. The welding device for intelligent automobile instrument circuit board pin header processing according to claim 7, wherein the auxiliary assembly (8) comprises:
The deformation bags (81) are fixedly connected to the top ends of the annular grooves of the movable rings (63), the number of the deformation bags (81) is a plurality, the deformation bags are uniformly arranged around the movable rings (63), and the deformation bags (81) are made of flexible rubber materials;
The air inlet pipe (82) is fixedly sleeved in the movable ring (63), one end of the air inlet pipe (82) is communicated with the outside, the other end of the air inlet pipe (82) is fixedly communicated with the deformation bag (81), a one-way valve is arranged in the air inlet pipe (82), and the air flow direction of the one-way valve is from the outside to the deformation bag (81);
The air outlet pipe (83), the inside of the movable ring (63) is fixedly sleeved with the air outlet pipe (83), one end of the air outlet pipe (83) is fixedly communicated with the deformation bag (81), a one-way valve is arranged in the air outlet pipe (83), and the air flow direction of the one-way valve is from the deformation bag (81) to the annular pipe (84);
the annular pipe (84) is fixedly sleeved in the movable ring (63), and the other end of the air outlet pipe (83) is fixedly communicated with the annular pipe (84);
The exhaust pipe (85), one end of the exhaust pipe (85) is fixedly communicated with the annular pipe (84), the wall surface of the exhaust pipe (85) is attached to the support column (41) through two limiting pieces (80), the exhaust pipe (85) above the limiting pieces (80) is made of a flexible material, and the exhaust pipe (85) below the limiting pieces (80) is made of a hard material;
And the other end of the exhaust pipe (85) is fixedly communicated with the exhaust head (86), and the exhaust head (86) faces the bread board (12) obliquely backward.
9. The welding method of the welding device for machining the pins of the intelligent automobile instrument circuit board according to claim 8, comprising the following steps:
The method comprises the steps of firstly, installing a workpiece (2) above a working mechanism (1), clamping and fixing by using a clamping mechanism (3), then adjusting the position of a fixing mechanism (4), inserting a tin wire (50) into a wire guide assembly (5), and carrying out energization preheating on a soldering bit (65);
Secondly, moving a movable ring (63), a movable pipe (64) and a soldering iron head (65) downwards by using a telescopic piece (62), enabling the soldering iron head (65) to cover a jack of a workpiece (2), and then starting a feeding piece (93), enabling the feeding ring (91) to drive a tin wire (50) to move downwards, enabling one end of the tin wire (50) to be limited by a movable piece (66) to be contacted with the soldering iron head (65) and melt, and enabling molten tin to drop into the jack of the workpiece (2) along the soldering iron head (65);
Thirdly, starting the moving piece (73) at the same time, so that the moving assembly (7) drives the movable tube (64) and the soldering iron head (65) to rotate automatically, and therefore molten tin flows to all parts of the jack uniformly by the soldering iron head (65), and welding spots are even and full;
Fourthly, when the moving assembly (7) rotates in the annular groove, the moving block (72) effectively presses the deformation bag (81) to enable the exhaust pipe (85) to continuously exhaust gas, so that cooling treatment is carried out on the bread board (12);
And fifthly, after welding of one jack is completed, the fixing mechanism (4) horizontally moves to enable the soldering iron head (65) to cover the next jack, the next jack is reciprocated until welding is completed, and finally the soldering iron head (65) is moved upwards by the telescopic piece (62) to enable the soldering iron assembly (6) to be far away from the workpiece (2).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN213591999U (en) * | 2020-08-07 | 2021-07-02 | 镇江厦泰电子科技有限公司 | Circuit board contact pin welding auxiliary fixtures |
| CN112171001A (en) * | 2020-10-20 | 2021-01-05 | 厦门柔性电子研究院有限公司 | Laser Soldering Equipment |
| CN114160927A (en) * | 2021-12-31 | 2022-03-11 | 徐州恭乐橡塑机械有限公司 | Splash-proof automatic welding device |
| CN220388165U (en) * | 2022-11-30 | 2024-01-26 | 苏州亘富机械科技有限公司 | Welding device for capacitor machining |
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