CN2440616Y - Electromagnetic flexible pipe style tin sucker - Google Patents
Electromagnetic flexible pipe style tin sucker Download PDFInfo
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- CN2440616Y CN2440616Y CN 00254628 CN00254628U CN2440616Y CN 2440616 Y CN2440616 Y CN 2440616Y CN 00254628 CN00254628 CN 00254628 CN 00254628 U CN00254628 U CN 00254628U CN 2440616 Y CN2440616 Y CN 2440616Y
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- tin
- sebific duct
- suction
- solenoid
- armature
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Abstract
The utility model relates to an improved solder sucker used for dismounting elements arranged on a circuit board. The telescopic flexible pipe type vacuum negative pressure generating mode solves the multiple seal of a tradition solder sucker and solves the defects of low air tightness, poor effect of solder sucking and short service life caused by sliding friction. An electric magnet attracting designed simply is used as the power of solder sucking. The utility model overcomes the defect of inefficient performance of a traditional spring type solder sucker and the defects of complicated process and high cost of a vacuum pump type solder sucker. The utility model can be extensively used in household electrical appliance maintenance industry and electronic producing enterprises.
Description
The utility model relates to a kind of electromagnetism glue pipe type and inhales the tin device, specifically is a kind of improved suction tin device that is used to dismantle components and parts on the circuit board.
At present, supply electric appliances service industry practitioner employed, be used for dismantling the suction tin device of components and parts on the circuit board, mainly contain following several:
" spring-type suction tinware " (Fig. 1): shell is inhaled the chamber and is built-in with spring, the sealing of piston slip cushion rubber formula, depression bar and spring.When inhaling tin, press depression bar successively, inhale the tin button, rely on the elastic reset of spring, produce the moment vacuum, siphon away molten tin.Have following characteristics: no heater own, by flatiron, the auxiliary hot melt tin that adds needs can use after the grasp skillfully; Solder joint of every removing, need press depression bar after, press again and inhale tin button, inefficiency; Adopt the sealing of slip cushion rubber formula, after use a period of time, the air-tightness variation, the tin effect is inhaled in influence, and the life-span is short; But it is simple in structure, and cost is low, has certain market owning amount.
" electric heating spring-type suction tinware " (Fig. 2): produce (factory site: industrial area, Pan Dongtan angle, Dongshan, Jieyang City by Jieyang City, Guangdong east Electrical Appliances Co., Ltd, name of product: board long-lived dual-purpose electric heating in east is inhaled the tin flatiron), it is on the basis of spring-type suction tinware, installs electric calorifie installation additional.Have following characteristics: need not auxiliary heating, can directly inhale tin behind the molten tin, use more convenient; Before solder joint of every removing, identical with the spring-type suction tinware is, still need firmly press depression bar, after the fusing of tin point, presses and inhales tin button, inefficiency; Adopt many places multiaspect slipper seal, use a period of time equally after, sealing property descends, the vacuum variation, solder joint is removed unclean, influences result of use, the life-span is lower than the spring-type suction tinware; But its structure, technology are comparatively simple, and cost is low, now popularize for electron trade and use.
" capsule squash type electric heating solder sucker " (Fig. 3): be on the internal heat type flatiron socket inhale Zi, one of the lunar mansions, inhale the chamber, and capsule, utilize the automatic elastic reset after the capsule extruding, produce negative pressure of vacuum, to remove the molten tin on the solder joint.Have following characteristics: simple in structure, cost is low, and flatiron heats voluntarily, and behind the spalling of oxide layer of suction chamber heat-transfer pipe, heat transfer efficiency reduces; Before the heating bump, need firmly push capsule, unclamp capsule after the fusing of tin point, solder joint of every suction need push once inefficiency; Suction is little, and it is bad that solder joint is removed effect, and market is difficult to see.
" the pump formula tin sucking gun " that " electronics newspaper " first phase 16 days the tenth March in 1997 " electronic production version " is introduced: the internally provided with vacuum pump, electric heating is inhaled Zi, one of the lunar mansions, the design of rifle formula, can inhale tin continuously, its technology, complex structure, the accuracy of manufacture and price height, city's price is (a hundreds of unit/prop up).
Chinese patent CN96225345.6 " a kind of efficient solder sucker " changes existing hard suction nozzle into made by the high-temperature resistant rubber material elasticity to inhale Zi, one of the lunar mansions, and have at the sidewall of inhaling Zi, one of the lunar mansions electric soldering bit is withheld at interior breach, form better sealing between Zi, one of the lunar mansions and the wiring board so that inhale, thereby improve the tin ability of inhaling.But the auxiliary heating of need, and must often change and remove suction nozzle.
The purpose of this utility model is to provide a kind of improved electromagnetism glue pipe type to inhale the tin device, compares with existing solder sucker, has the advantages that to make things convenient for use, high efficiency, long service life.
The technical solution of the utility model relates to a kind of improved suction tin device that is used to dismantle components and parts on the circuit board, comprise the suction Zi, one of the lunar mansions that is used for melting, drawing scolding tin, inhale the chamber, the heating winding, it is characterized in that this device also comprises: one in order to produce negative pressure, an end with inhale seal between the chamber communicate, scalable sebific duct that the other end links to each other with armature; Electromagnet in order to produce suction, to carry out adhesive; Link to each other via spring between described sebific duct and the electromagnet; By inhaling the tin press button, the heating winding is finished the fusing to scolding tin, and the electromagnetism iron rule drives the armature adhesive, and the stretching sebific duct is finished the absorption to scolding tin.
The profile of described sebific duct is cylindric, and is collapsible along the axle center of cylinder, stretches, produces when shrinking negative pressure, and the inboard is provided with to support and prevents that sebific duct from causing it to enterolithic annular support ring because of bearing atmospheric pressure when stretching.Single-sided lamination screwing hermetic between the openend warp of sebific duct and the circular steel plate, and the air chamber of formation sealing, and by circular steel plate with inhale the chamber and communicate, the other end sealing of sebific duct, and it is built-in vertically in order to the air in the air chamber is discharged, with the projection of gas clean-up, the screw rod that links to each other with armature is established in the end.
Described electromagnet is the annular DC electromagnet that single auxiliary winding constituted; Electromagnetic core is a tubular, internal frame and the coiling solenoid on it, one end of electromagnetic core is in order to adhesive armature and be provided with annular core lid, when the other end is established the screw thread fixed printed circuit board and is provided with adhesive by armature directly promote so that with the normally closed switch push rod that disconnect, that be back taper of solenoid interlock; Skeleton both sides and annular core cover the symmetrical passage that all has for the coil heat radiation.
Described circuit is by 220V AC power, bridge rectifier, contact change-over switch (inhaling the tin button), heating winding, solenoid, formed with the normally closed switch of solenoid interlock; Wherein, the 220V AC power constitutes heating circuit through a winding point of heating winding, contact change-over switch; The 220V AC power constitutes through normally closed switch, another winding point of contact change-over switch, bridge rectifier, solenoid with the solenoid interlock inhales the tin loop.
Effect of the present utility model: because of adopting telescopic sebific duct, and and inhale and form airtight air chamber between the chamber, under duty for a long time, can keep good air-tightness, adopt the sealing of friction slip cushion rubber formula, result of use is good; Because of adopting the adhesive power of solenoid, when inhaling tin, only need press and inhale the tin press button as telescopic rubber pipe, can remove the scolding tin of fusing, easy for operation, high efficiency, far above the electric heating spring-type suction tinware that generally uses, basic identical with the efficient of vacuum pump type suction gun; Because of selected traditional industrial materials that are, and designed simple in structure, it is low therefore to make required precision, and the cost cost is low, far below the vacuum pump type suction gun, and compares with electric heating spring-type suction tinware, and is only higher slightly.
The profile schematic diagram of Fig. 1 spring-type suction tinware.
The profile schematic diagram of Fig. 2 electric heating spring-type suction tinware.
The profile schematic diagram of Fig. 3 capsule squash type electric heating solder sucker.
Fig. 4 profile schematic diagram of the present utility model.
Fig. 5 schematic diagram in kind of the present utility model.
Fig. 6 structural representation of the present utility model.
Fig. 7 assembling sectional structure chart of the present utility model.
Fig. 8 assembling construction profile of the present utility model.
Fig. 9 is the assembly structure figure of A-A part among Fig. 6.
Figure 10 is the assembly structure figure of B-B part among Fig. 6.
Figure 11 circuit theory diagrams of the present utility model.
Description of drawings: 1 inhales Zi, one of the lunar mansions, and 2 inhale the chamber, 3 springs, and 4 O-ring seals, 5 inhale the tin button, 6 depression bars, 7 depression bar buttons, 8 heating windings, 9 isolate pipe network, 10 squash type capsules, 11 internal heat type flatirons, 12 wire-passing tubes, 13 protecgulums, 14 bonnets, 15 shells, 16 circular steel plates, 17 support rings, 18 telescopic rubber pipes, 19 screw rods, 20 armature, 21 iron cores lid, 22 skeletons, 23 solenoids, 24 tubular iron cores, 25 passages, 26 push rods, 27 projections, 28 contact change-over switches, 29 3 core sockets, 30 printed circuit board (PCB)s.
Now in conjunction with the accompanying drawings the utility model is elaborated:
Use for convenient, the utility model can be made into hand-held, and its volume, size are shown in (Fig. 7-11), and overall structure is made up of heating winding, telescopic rubber pipe, electromagnet, suction tin button, shell five parts.
Add the traditional outer hot mode of thermal recovery, difference is: the copper pipe enlarged diameter in chamber is inhaled in heating, and the circular steel plate of copper pipe tail end socket is convenient to seal with telescopic rubber pipe.Inhale the making material requirements of Zi, one of the lunar mansions: wear-resisting under the high temperature, be difficult for oxidation, the intensity height is of a size of φ 1.0, φ 1.5,2.0 3 kinds of models of φ, to be applicable to the solder joint that varies in size.Isolate pipe network: select sheet metal for use, behind the bending forming, connect at twice, the bottom side is opened U type mouth and is convenient to cover and takes over the line pipe.The chamber is inhaled in heating: made by copper tube, and seal between the circular steel plate that is attached thereto, copper tube is compared with conventional art, has strengthened diameter, makes welding slag be difficult for blocking pipeline, and the air smoothness guarantees to inhale the tin effect.Circular steel plate utilizes the low characteristic of iron and steel thermal conductivity, reducing thermal losses, thereby can not adopt copper or aluminium, and and copper tube between welding tight, to guarantee air-tightness.Cross the line pipe: select top-quality rubber for use, profile is designed to the U type.
Telescopic rubber pipe is in order to produce negative pressure, and main by the rubber tube that can stretch, shrink, support ring and projection that rubber tube is built-in constitute, the sebific duct two ends are through circular steel plate, form airtight air chamber, an end communicates with inhaling the chamber, and the other end is established for the screw rod and the volute spring that link to each other with armature.Telescopic rubber pipe: select the elastic caoutchouc of high-quality high temperature resistant (150 ℃) for use, require that thermal deformation at high temperature is little, intensity is high, be difficult for breaking.For convenient for assembly, with after circular steel plate riveting or the welding, be one during connection with the sebific duct injection molding.Support ring: sheet metal is made annular slice, places in the sebific duct.Armature: can select general ferrous material for use, preferably select steel material for use, but need thoroughly to eliminate magnetic through annealing, by the adhesive of electromagnet to it, it is flexible to drive sebific duct.Volute spring: act as and reset, make taper, utilize the horizontal space in the housing, the whole height after the spring compression is shortened, also make the contraction in length of shell.
Electromagnet, utilize the electromagnetism mechanics principle, for reducing noise, strengthen suction, and easy to make, and select DC electromagnet for use, its structure is identical with traditional electrical magnet, is made of skeleton, coil windings, electromagnetic core, iron core lid, and difference is that electromagnetic core adopts the tubular iron core, and only establish one group of coil windings, carry out adhesive and keep adhesive control by the variation of electric current.Skeleton: coil windings is coiling thereon, and both sides all have symmetrical pore, and for the heat radiation of turnover air-flow, wherein an end is established the lead-in wire boss, fixed position during for assembling.Material requirements: wear-resisting, intensity is high, thermal deformation below 100 ℃ is little, and optimal material is that nylon is moulded firmly.Coil windings: adopt the high-strength polyester enamel-covered wire, turn to similar ellipse, can satisfy the tubular iron core of packing into after the coiling after, air-flow flows through through pore that coil windings is surperficial to get final product.The tubular iron core: cylindrical case is stamped to form by sheet metal, and wherein an end is established four sides sheet boss, is used for fixed position when assembling, and the other end has pore equally, and framework fixing hole, and coil windings is dispelled the heat; Plunger tip one end is made the plane, adhesive armature, and the other end is made screw thread, is connected and fixed printed circuit board (PCB), and the centre has through hole, in order to assembling switch push rod, adopts riveting or soldering with the junction of tubular electromagnetic core.The iron core lid: have the heat radiation pore, the edge has the symmetrical grooves in the mount position, and the electromagnetic core dress with tubular during assembling is one, can improve magnetic field intensity, minimizing electromagnet volume.
Inhale the tin button and drive the contact change-over switch, realization is to the conversion that is heated to absorption of scolding tin, and during the armature adhesive, promotes push rod (the material selection nylon plastic(s) has certain mechanical strength), so that disconnect, keep the adhesive of electromagnet with the normally closed switch of solenoid interlock.
Shell body is made of seal cover, shell, bonnet, lid, and its material is all selected engineering plastics for use, and is high temperature resistant, and (＞150 ℃), thermal deformation is little, the intensity height, and good toughness is difficult for breaking.Seal cover: screw with shell and to be one, fastening heating winding and telescopic rubber pipe make between the two to connect closely.Shell is cylindrical, and the left side is a telescopic rubber pipe, and the right is an electromagnet, and the centre has the boss block to separate to be beneficial to assembling, and the boss block bears the pressure from both sides simultaneously, plays the effect of counteracting power, and whole mechanical performance is improved.Cylindrical surface is provided with switch enclosure, and suction tin button, connecting line place in it, and U type mouth end is settled wire-passing tube in the switch enclosure, and the heating winding connects with the miniature finished product plug of circuit connection employing three cores, socket, and the volume size gets final product can put into switch enclosure.Bonnet revolves with shell and is one, and fastening electromagnet end face has the pore heat radiation, and tail end has screw, installs and moulds the fastening power line of headless screw firmly.Lid: in order to switch enclosure cover, screw is anchored on the switch enclosure, makes part sealing in the box, unlikely getting loose.
The course of work of the present utility model:
(1) circuit working principle: as shown in figure 10: K1 is and the normally closed switch of solenoid interlock, disconnects when promoting push rod by the armature adhesive; K2 is for inhaling the contact change-over switch that the tin button is driven.1. connect power supply, 220V voltage is given electric heating winding R heating through K2, A, B, has electric current to pass through in the electric heating winding R, and at this moment, rectifier bridge (D * 4) is by the short circuit of the A of K2, B point, no current in the solenoid L, and static, electric heating winding R total current heats; 2. the big electric current adhesive of solenoid L, electrically-heated coil R no current stops heating: when pressing button K2, the A of K2, B point disconnects, and A, C point is connected, 220V voltage is through A, the C of K1, K2 point, through rectifier bridge (D * 4) rectification, add to the two ends of solenoid L again, solenoid L moment has big electric current to pass through, the armature adhesive that will link to each other with telescopic rubber pipe, this moment, electrically-heated coil R was by short circuit, and no current stops heating; 3. the little electric current of solenoid L is kept, electric heating winding R low current heating: when armature arrives the attracted position, K1 disconnects, electric heating winding R is sealed in circuit by the state of short circuit, and 220V voltage is through electric heating winding R, rectifier bridge (D * 4), add to the two ends of solenoid L, electric heating winding R plays metering function, and the solenoid L low current of this moment is kept adhesive, the heating of electric heating winding R low current; 4. solenoid L no current discharges, electric heating winding R total current heating: when release button K2, the A of K2, C point disconnects, A, B point is connected, rectifier bridge (D * 4) is by short circuit again, and solenoid L no current discharges, and K1 recovers normally off, the heating of electric heating winding R total current, the initial state when recovering 1..
Press, unclamp button K2 No. one time, circuit can be finished above three kinds of states.
(2) the own course of work of device: according to three kinds of states in the circuit working principle, 1. heat scolding tin: connect power supply, heating winding (suction Zi, one of the lunar mansions) heating, contact change-over switch state at this moment, make electromagnet be in short-circuit condition, no current passes through in the electromagnet, and the normally closed switch on the printed circuit board (PCB) is in closure state, the heating of heating winding total current prepares to draw scolding tin; 2. tin is inhaled in adhesive: after the solder joint fusing, press and inhale the tin button, drive the contact change-over switch, at this moment, heat winding by short circuit, electromagnet place in circuit, the electromagnetic attraction adhesive armature that big electric current produced by moment, the drive sebific duct stretches, the pull of vacuum of sebific duct moment generation will heat the scolding tin of the fusing of inhaling the Zi, one of the lunar mansions place, suck in the air chamber of chamber and sebific duct, simultaneously the sebific duct extrusion spring, air in the shell flows out through electromagnet, bonnet, and solenoid is dispelled the heat; 3. static state is kept: after the armature adhesive, promote push rod, the normally-closed contact switch on the printed circuit board (PCB) of installing on the electromagnet is disconnected, heating short circuit in winding condition is destroyed, sealed in the DC electromagnet loop, heat the heating of winding low current this moment, the little electric current of electromagnet is kept attracting state; 4. power-off restoration: after solder joint that will be to be drawn is removed, inhaling Zi, one of the lunar mansions removes from solder joint, unclamp and inhale the tin button, be that the contact change-over switch resets, electromagnet is by short circuit again, no current discharges, the compression that under the effect of spring, resets of armature and sebific duct, the normally closed switch on the printed circuit board (PCB) resets simultaneously, and the air in the sebific duct air chamber blows out fast through inhaling Zi, one of the lunar mansions, the remaining scruff of inhaling in the chamber is blown off, make and inhale the chamber and be difficult for stopping up, during the sebific duct compression, the negative pressure of Xing Chenging in the enclosure, the housing outer air is finished heat exchange in the suction casing of bonnet solenoid surface.
So far finish working cycles successively, promptly press and once inhale the tin button, remove a solder joint.
The key technical indexes power: 40W, the class of insulation: the E level, moment peak power: 330W, suction tolerance:＞7cm
3/ time, moment maximum current:＞1.5A, working method: continuously.
The utility model is through showing the model experiment of being manufactured experimently: when the scolding tin of exhaustion 2-4 pin components and parts, components and parts rely on own wt to fall voluntarily; When the scolding tin of exhaustion multiway components and parts, only need gently draw components and parts to take off, and need not the pin of components and parts is separated solder joint, handle again.
Claims (4)
1 one kinds of improved suction tin devices that are used to dismantle components and parts on the circuit board, comprise the suction Zi, one of the lunar mansions that is used for melting, drawing scolding tin, inhale the chamber, the heating winding, it is characterized in that this device also comprises: one in order to produce negative pressure, an end with inhale seal between the chamber communicate, scalable sebific duct that the other end links to each other with armature;
Electromagnet in order to produce suction, to carry out adhesive;
Link to each other via spring between described sebific duct and the electromagnet;
By inhaling the tin press button, the heating winding is finished the fusing to scolding tin, and the electromagnetism iron rule drives the armature adhesive, and the stretching sebific duct is finished the absorption to scolding tin.
2 suction tin devices as claimed in claim 1, the profile that it is characterized in that described sebific duct is cylindric, axle center along cylinder is collapsible, stretches, produces when shrinking negative pressure, and the inboard is provided with to support and prevents that sebific duct from causing it to enterolithic annular support ring because of bearing atmospheric pressure when stretching;
Single-sided lamination screwing hermetic between the openend warp of sebific duct and the circular steel plate, and the air chamber of formation sealing, and by circular steel plate with inhale the chamber and communicate, the other end sealing of sebific duct, and it is built-in vertically in order to the air in the air chamber is discharged, with the projection of gas clean-up, the screw rod that links to each other with armature is established in the end.
3 suction tin devices as claimed in claim 1 is characterized in that described electromagnet is the annular DC electromagnet that single auxiliary winding constituted;
Electromagnetic core is a tubular, internal frame and the coiling solenoid on it, one end of electromagnetic core is in order to adhesive armature and be provided with annular core lid, when the other end is established the screw thread fixed printed circuit board and is provided with adhesive by armature directly promote so that with the normally closed switch push rod that disconnect, that be back taper of solenoid interlock;
Skeleton both sides and annular core cover the symmetrical passage that all has for the coil heat radiation.
4 suction tin devices as claimed in claim 1 is characterized in that described circuit is by 220V AC power, bridge rectifier, contact change-over switch (inhaling the tin button), heating winding, solenoid, formed with the normally closed switch of solenoid interlock;
Wherein, the 220V AC power constitutes heating circuit through a winding point of heating winding, contact change-over switch;
The 220V AC power constitutes through normally closed switch, another winding point of contact change-over switch, bridge rectifier, solenoid with the solenoid interlock inhales the tin loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254628 CN2440616Y (en) | 2000-09-22 | 2000-09-22 | Electromagnetic flexible pipe style tin sucker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254628 CN2440616Y (en) | 2000-09-22 | 2000-09-22 | Electromagnetic flexible pipe style tin sucker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2440616Y true CN2440616Y (en) | 2001-08-01 |
Family
ID=33611841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00254628 Expired - Fee Related CN2440616Y (en) | 2000-09-22 | 2000-09-22 | Electromagnetic flexible pipe style tin sucker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2440616Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363231A (en) * | 2011-09-30 | 2012-02-29 | 常熟市广大电器有限公司 | Novel chip disassembling tool |
| CN108213647A (en) * | 2018-03-22 | 2018-06-29 | 深圳捷创电子科技有限公司 | A kind of patch pen |
| CN111982589A (en) * | 2020-07-23 | 2020-11-24 | 新兴铸管股份有限公司 | Semi-automatic bulk powder sampling device |
-
2000
- 2000-09-22 CN CN 00254628 patent/CN2440616Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363231A (en) * | 2011-09-30 | 2012-02-29 | 常熟市广大电器有限公司 | Novel chip disassembling tool |
| CN108213647A (en) * | 2018-03-22 | 2018-06-29 | 深圳捷创电子科技有限公司 | A kind of patch pen |
| CN108213647B (en) * | 2018-03-22 | 2024-04-09 | 深圳捷创电子科技有限公司 | Patch pen |
| CN111982589A (en) * | 2020-07-23 | 2020-11-24 | 新兴铸管股份有限公司 | Semi-automatic bulk powder sampling device |
| CN111982589B (en) * | 2020-07-23 | 2024-02-02 | 新兴铸管股份有限公司 | Semiautomatic bulk powder sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |