Tin soldering machine temperature automatic calibration mechanism
Technical field
The utility model relates to a kind of tin soldering machine temperature automatic calibration mechanism.
Background technology
Due to tin soldering machine welding uniformity and efficiency comparison high, traditional human weld is more and more instead of in electron trade, but the temperature of solder horn directly affects the uniformity of welding in welding process, and the thermometry used during the human weld that bonding machine traditional at present all adopts and temperature correction method, welding efficiency is directly affects in use procedure, and troublesome poeration, uniformity is not high.
Traditional bonding machine solder horn thermometry is use external temperature tester, when tin soldering machine quits work, by the sensor of temperature measuring device near solder horn, measure the temperature of actual solder horn, again by manually being inputed in temperature control system by measured value, thus realize the calibration operation of temperature.Because the solder horn kind of tin soldering machine is many, and soldering angle is adjustable, adds the external action of operating personnel, which results in the actual temperature value measured each time and has very large deviation, thus have impact on the uniformity of welding.
The sensor of traditional welding stage temperature measuring device has the life-span of measurement, is generally up to 50 times, and close with when exceeding its life-span, the actual temperature value of measurement has very large deviation, and then affects its welding process requirement, have impact on the uniformity of welding.
Utility model content
Technical problem to be solved in the utility model is: in order to overcome deficiency of the prior art, and the utility model provides a kind of tin soldering machine temperature automatic calibration mechanism, solves the technical problem that temperature correction efficiency and accuracy rate in prior art are low.
The utility model solves the technical scheme that its technical problem will adopt: a kind of tin soldering machine temperature automatic calibration mechanism, comprise the temperature control system be fixedly mounted on tin soldering machine platform, flatiron assembly and temperature correction assembly, described flatiron assembly and temperature correction assembly and described temperature control system connection, described temperature correction assembly comprises shell, described shell upper end is provided with temperature test point, and described temperature test point sidewall periphery is to being provided with some louvres.Temperature correction assembly is adopted to coordinate tin soldering machine platform can realize the automatic calibration of temperature, complicated operation when solving manual calibration, improve the efficiency of calibration accuracy and calibration, test point circumference has louvre and prevents the heat in test process to be passed on shell, affects the thermometric degree of accuracy.
Further, in order to effective fixed temperature test point, described temperature correction assembly also comprises stator, and described temperature test point is fixedly connected with described shell by described stator, and described louvre circumference is evenly distributed on the link of described stator and described temperature test point.Stator is adopted temperature test point to be fixed on the top of shell.
Further, described louvre is evenly be located at the sector open in the middle part of described stator, is provided with dowel between adjacent sector open, and described dowel is fixedly connected with described temperature test point.On stator, louvre adopts sector open, decreases the contact area of stator and temperature test point, greatly reduces the temperature leak of temperature test point in test process, ensure that thermometric accuracy.
Further, in order to reduce temperature leak further, described dowel and described temperature test point sidewall point cantact.Adopt point cantact can ensure the connection of stator and temperature test point, can temperature leak be reduced again, ensure thermometric reliable and stable.
Further, described temperature correction assembly also comprises the thermocouple with temperature control system connection, and described thermocouple is positioned at described enclosure, and is connected with temperature test point lower end.Adopt thermocouple to carry out temperature survey, temperature value is converted into the signal of telecommunication and is sent to temperature control system, thermocouple has that structure is simple, easily manufactured, measurement category is wide, precision is high, inertia is little and output signal is convenient to many advantages such as teletransmission.
Further, described flatiron assembly comprises weldering penholder and is fixed on the solder horn of weldering pen arm end.
Utilize a tin soldering machine temperature automatic calibrating method for said temperature automatic calibration mechanism, comprise weldering penholder and solder horn, and comprise the following steps:
(1) on tin soldering machine platform, temperature automatic calibration mechanism is installed, temperature control system temperature is set a fixed temperature value T0, and stablize certain hour t under non-loaded state;
(2) after tin soldering machine platform receives temperature correction signal, enter temperature automatic calibration state, tin soldering machine platform courses weldering penholder moves to directly over the temperature test point of temperature correction assembly, meanwhile, sends a signal to temperature control system and enters temperature automatic calibration;
(3) tin soldering machine platform courses weldering penholder moves down, by the temperature test point at the Contact Temperature calibration assemblies center, upper tin face of solder horn;
(4) measured the actual temperature value T of solder horn by temperature correction assembly, under measuring state, stablize certain hour t, when measured temperature value is stabilized in the error range of permission within the t time, then judge that measured value is effective;
(5) the fixed temperature value T0 of setting in the actual temperature value T of the temperature correction assembly gathered and step (1) compares by temperature control system, and temperature control system then carries out automatic internal temperature correction according to calibration factor;
(6) after temperature correction completes, temperature control system transmits completion signal to tin soldering machine platform, and tin soldering machine platform returns to normal operating conditions.
Further, in order to ensure the reliable contacts of solder horn and temperature test point, also comprise step (3-1) in the middle of step (3) and step (4), tin soldering machine platform is sent one section of tin silk and is eaten Xi Mianshang to solder horn.Add scolding tin by eating tin face at solder horn, after making melts soldering tin, increase the contact area with temperature test point, improve heat transference efficiency, improve the thermometric degree of accuracy.
Further, in order to improve the precision of temperature correction, step (5-1) is also comprised in the middle of step (5) and step (6), repeat step (4) to step (5), repeatedly temperature correction is carried out according to calibration factor, treat that solder horn temperature that temperature control system shows is in error allowed band, then temperature correction completes.Adopt and repeatedly calibrate, make the fixed temperature value T0 of setting and actual temperature value T in error allowed band, ensure the accuracy of solder horn temperature, raising welding quality.The fixed temperature value of setting when repeatedly calibrating also can get several groups more, and value is chosen conventional temperature value according to concrete service condition and calibrated.
Concrete, the calibration factor in step (5) is the ratio of the fixed temperature value T0 of actual temperature value T and setting.
The beneficial effect of utility model is: a kind of tin soldering machine temperature automatic calibration mechanism that the utility model provides and calibration steps thereof, adopt on bonding machine platform, increase the temperature automatic calibration that temperature automatic calibration mechanism realizes the solder horn of tin soldering machine, simplify the step of calibration, improve efficiency and the degree of accuracy of calibration, thus ensure that the accurate control of solder horn temperature, ensure that welding quality uniformity.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structural representation of tin soldering machine temperature automatic calibration mechanism most preferred embodiment of the present utility model;
Fig. 2 is the structural representation of temperature correction assembly in Fig. 1;
Fig. 3 is the sectional view of temperature correction assembly in Fig. 1;
Fig. 4 is the flow chart of tin soldering machine temperature automatic calibrating method of the present utility model.
In figure: 1, tin soldering machine platform, 2, temperature control system, 3, weldering penholder, 4, solder horn, 5, shell, 6, temperature test point, 7, stator, 8, thermocouple, 9, louvre, 10, dowel.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in detail now.This figure is the schematic diagram simplified, and only basic structure of the present utility model is described in a schematic way, therefore it only shows the formation relevant with the utility model.
As Figure 1-3, a kind of tin soldering machine temperature automatic calibration mechanism of the present utility model, comprises the temperature control system 2 be fixedly mounted on tin soldering machine platform 1, flatiron assembly and temperature correction assembly, flatiron assembly and temperature correction assembly and temperature control system 2 connection.
Flatiron assembly comprises weldering penholder 3 and is fixed on the solder horn 4 of weldering penholder 3 end, and flatiron assembly is fixed on tin soldering machine platform 1, and can according to the control campaign of tin soldering machine platform 1.
Temperature correction assembly comprises shell 5, temperature test point 6, stator 7 and thermocouple 8, temperature test point 6 is positioned at the middle part of shell 5 upper end, temperature test point 6 is made up of the metal that heat conductivility is good, surface has Shang Ximian, for in test process with fully the contacting of solder horn 4, preferably, temperature test point 6 entirety is made up of the copper product of high thermal conductivity coefficient.Temperature test point 6 is fixedly connected with shell 5 by stator 7, temperature test point 6 sidewall is fixedly connected with in the middle part of stator 7, stator 7 is thin rounded flakes, in the middle part of stator 7, circumference is evenly provided with some louvres 9, sector open identical sized by louvre 9, dowel 10 is provided with between adjacent sector open, dowel 10 adopts point cantact with temperature test point 6 sidewall and is fixedly connected with, louvre 9 reduces the contact area of stator and temperature test point 6, prevent the heat in test process to be passed on shell 5, affect the thermometric degree of accuracy.Connected by screw between stator 7 and shell 5, and all adopt the stainless steel material of low thermal conductivity to make, greatly reduce the temperature leak of temperature test point 6 in test process; It is inner that thermocouple 8 is positioned at shell 5, and be connected with temperature test point 6 lower end, because the temperature of solder horn 4 is higher, therefore, industrial superhigh temperature healant is adopted to connect between thermocouple 8 and temperature test point 6, heatproof is high, corrosion-resistant, thermocouple 8 temperature signal of collection is converted to the signal of telecommunication by circuit be sent to temperature control system 2 carry out display calibration.
As shown in Figure 4, a kind of tin soldering machine temperature automatic calibrating method utilizing said temperature automatic calibration mechanism, comprises weldering penholder 3 and solder horn 4, and comprises the following steps:
(1) on tin soldering machine platform 1, temperature automatic calibration mechanism is installed, temperature control system 2 temperature is set a fixed temperature value T0, and stablize certain hour t under non-loaded state;
(2) after tin soldering machine platform 1 receives temperature correction signal, enter temperature automatic calibration state, tin soldering machine platform 1 controls weldering penholder 3 and moves to directly over the temperature test point 6 of temperature correction assembly, meanwhile, sends a signal to temperature control system 2 and enters temperature automatic calibration;
(3) tin soldering machine platform 1 control weldering penholder 3 moves down, by the temperature test point 6 at the Contact Temperature calibration assemblies center, upper tin face of solder horn 4;
(4) measured the actual temperature value T of solder horn by temperature correction assembly, under measuring state, stablize certain hour t, when measured temperature value is stabilized in the error range of permission within the t time, then judge that measured value is effective;
(5) the fixed temperature value T0 of setting in the actual temperature value T of the temperature correction assembly gathered and step (1) compares by temperature control system 2, and temperature control system 2 carries out automatic internal temperature correction according to calibration factor;
(6) after temperature correction completes, temperature control system 2 transmits completion signal to tin soldering machine platform 1, and tin soldering machine platform 1 returns to normal operating conditions.
Further, in order to ensure solder horn 4 and the reliable contacts of temperature test point 6, also comprise step (3-1) in the middle of step (3) and step (4), tin soldering machine platform 1 is sent one section of tin silk and is eaten Xi Mianshang to solder horn 4.Adding scolding tin by eating tin face at solder horn 4, increasing solder horn 4 and the contact area of temperature test point 6 after making melts soldering tin, improving heat transference efficiency, improve the thermometric degree of accuracy.
Further, in order to improve the precision of temperature correction, step (5-1) is also comprised in the middle of step (5) and step (6), repeat step (4) to step (5), repeatedly temperature correction is carried out according to calibration factor, treat that solder horn 4 temperature that temperature control system 2 shows is in error allowed band, then temperature correction completes.Adopt and repeatedly calibrate, make the fixed temperature value T0 of setting and actual temperature value T in error allowed band, ensure the accuracy of solder horn 4 temperature, raising welding quality.The fixed temperature value T0 of setting when repeatedly calibrating also can get several groups more, and value is chosen conventional temperature value according to concrete service condition and calibrated.
Concrete, the calibration factor in step (5) is the ratio of the fixed temperature value T0 of actual temperature value T and setting.
In temperature automatic calibration process, general temperature stabilization times t gets about 10s, and temperature stabilizing range in ± 2 DEG C, then thinks that temperature value is effective.The scope of temperature auto modification can be arranged by software, and avoiding when the sensor welding penholder self goes wrong is cause larger temperature error, ensure that the uniformity of welding procedure.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff not departing from scope of the present utility model, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.