CN202639856U - Ram heat distortion temperature compensation device of floor type milling and boring machine - Google Patents

Ram heat distortion temperature compensation device of floor type milling and boring machine Download PDF

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Publication number
CN202639856U
CN202639856U CN 201220332070 CN201220332070U CN202639856U CN 202639856 U CN202639856 U CN 202639856U CN 201220332070 CN201220332070 CN 201220332070 CN 201220332070 U CN201220332070 U CN 201220332070U CN 202639856 U CN202639856 U CN 202639856U
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CN
China
Prior art keywords
ram
temperature sensor
boring machine
temperature
heat distortion
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Expired - Lifetime
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CN 201220332070
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Chinese (zh)
Inventor
李树全
李红军
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TIANJIN SANZHONG MACHINERY MANUFACTURING Co Ltd
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TIANJIN SANZHONG MACHINERY MANUFACTURING Co Ltd
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Abstract

The utility model provides a ram heat distortion temperature compensation device of a floor type milling and boring machine. The ram heat distortion temperature compensation device of the floor type milling and boring machine comprises a ram. A ram tensioning bar is installed inside the ram, a smart temperature sensor is installed on the ram tensioning bar, a programmable logic controller (PLC) analog input template is connected with the smart temperature sensor, the other end of the PLC analog input template is connected with a electrical system, the other end of the electrical system is connected with a feed motor, and the smart temperature sensor is a DS18B20 temperature sensor. Due to the DS18B20 temperature sensor, temperature compensation can be implemented in time, a TK6016 series and a TK6920 series of heavy type numerical control floor type milling and boring machines can solve the problem of producing and using in a low-temperature environment, machining precision of workpieces is high and cost can be saved. The ram heat distortion temperature compensation device of the floor type milling and boring machine has the advantages of simple in structure, easy to manufacture, safe and reliable, high in production efficiency and low in cost.

Description

The ram heat distortion temperature compensation arrangement of console mode milling-boring machine
Technical field
The utility model belongs to machine-building, equipment industry field, especially relates to a kind of ram heat distortion temperature compensation arrangement of console mode milling-boring machine.
Background technology
Digit Control Machine Tool should be installed in constant temperature workshop, but most processing factory does not possess this condition, and Digit Control Machine Tool starts under cold environmental conditions, and in the process of processing work, the main shaft rotary temperature raises, and causes the ram temperature distortion, thereby affects the precision of workpiece.
For the Digit Control Machine Tool that under common workshop condition condition, uses, especially the long console mode milling-boring machine of stroke, the ram of console mode milling-boring machine is the baseline rod compensation because of the collocation structure of temperature effect processing, described baseline rod is subjected to influence of temperature change little, this structure is by linear transducer measuring basis bar feedback signal, signal is transferred to electrical system, electrical system is calculated compensation rate, then implement compensation by the feeding motor, when but this structure exists processing work, the baseline rod vibrations cause measurement data inaccurate, if baseline rod support and baseline rod size strengthen, take up room and also just strengthen, cause the main spindle box size to become large, thereby increased cost, simultaneously, this structure is unfavorable for the technical problems such as protection of measurement mechanism.
Summary of the invention
Problem to be solved in the utility model provides a kind of Digit Control Machine Tool and not affected by variation of ambient temperature, the Digit Control Machine Tool accurate positioning, the ram heat distortion temperature compensation arrangement of the console mode milling-boring machine that the workpiece accuracy of processing is high uses on the ram of especially suitable console mode milling-boring machine.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of ram heat distortion temperature compensation arrangement of console mode milling-boring machine, comprise ram, be provided with ram tension thick stick in the described ram, described ram tension thick stick is provided with intelligent temperature sensor, be connected with PLC analog input template on the described intelligent temperature sensor, the other end of described PLC analog input template is connected with electrical system, and the other end of described electrical system is connected with the feeding motor.
Further, described intelligent temperature sensor is the DS18B20 temperature sensor.
After the console mode milling-boring machine started, the DS18B20 temperature sensor was measured the minimum temperature in workshop, when the ram temperature is lower than 25 ° of C, temperature-compensating comes into force, when the ram temperature was higher than 25 ℃, without temperature-compensating, this moment, the bearing temperature rise control system of console mode milling-boring machine worked.
The utility model adopts Siemens 810D/840D system temperature compensation principle, and is specific as follows:
During the work of console mode milling-boring machine, some parts can produce a large amount of heats such as main shaft and drive motors etc., the impact that mechanical part above the ram of console mode milling-boring machine can be subject to these heats produces mechanically deform, thereby have influence on the precision of console mode milling-boring machine, deflection is subjected to height and these mechanical part fuel factor parameter influences of temperature.
Temperature-compensating is an option in Siemens 810D/840D, need to order separately, orders goods number to be: 6FC5251-OAA13-OAA0.
In temperature-compensating, variation along with temperature value, the deflection of ram is different, even under same temperature, the position different distortion amount of ram is also different, in temperature-compensating, need an external temperature sensor, it is the DS18B20 temperature sensor, the DS18B20 temperature sensor is received PLC analog input template, obtains detecting the temperature value at position in the PLC program by the value of access analog input, and signal is passed to electrical system, electrical system is calculated compensation rate, then implements compensation by the feeding motor.
Described DS18B20 temperature sensor is a kind of modified intelligent temperature sensor of U.S. DALLAS semiconductor company up-to-date release after DS1820.Compare with traditional thermistor, it can directly be read dut temperature and can realize 9~12 digital value reading mode by simple programming according to actual requirement, can in 93.75ms and 750ms, finish respectively 9 and 12 s' digital quantity, and the information of reading from DS18B20 or the information that writes DS18B20 only need a mouth line (one-wire interface) read-write, temperature inversion power derives from data/address bus, bus itself also can be to the DS18B20 power supply that articulates, and need not additional power supply, thereby use DS18B20 can make system architecture simpler, reliability is higher, he is at temperature measurement accuracy, conversion time, transmission range, there has been very large improvement the aspects such as resolution ratio than DS1820, and concrete advantage is as follows:
(1) unique one-wire interface mode: only need a Tiaokou line can realize the both-way communication of microprocessor and DS18B20 when DS18B20 is connected with microprocessor;
(2) in use without any need for peripheral cell;
(3) data available line power supply, voltage range :+3.0 ~+5.5V;
(4) temperature-measuring range :-55 ~+125 ℃, intrinsic thermometric resolution ratio is 0.5 ℃;
(5) can realize 9 ~ 12 digital reading mode by programming;
(6) user can set non-volatile warning upper lower limit value certainly;
(7) support the multiple spot networking function, a plurality of DS18B20 can be connected in parallel on the three unique lines, realize multi-point temperature measurement;
(8) negative pressure characteristic, electric power polarity connects inverse time, and thermometer can not burn because of heating, but cisco unity malfunction.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, because the use of DS18B20 temperature sensor, can in time implement temperature-compensating, TK6916 and TK6920 series heavy type numerical control console mode milling-boring machine can overcome production and application under the low temperature environment, and Workpiece Machining Accuracy is high, the saving cost; Have simple in structure, be easy to make, safe and reliable, production efficiency is high, low cost and other advantages.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is that end view is looked on the ram left side of console mode milling-boring machine;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 2.
Among the figure:
1, ram tension thick stick 2, bearing temperature rise control system 3, ram
4, temperature sensor 5, main shaft 6, PLC analog input mould
Plate
7, electrical system 8, feeding motor
The specific embodiment
Shown in Fig. 1-4, the ram heat distortion temperature compensation arrangement of a kind of console mode milling-boring machine of the utility model, comprise ram 3, be provided with ram tension thick stick 1 in the described ram 3, described ram tension thick stick 1 is provided with intelligent temperature sensor 4, be connected with PLC analog input template 6 on the described intelligent temperature sensor 4, the other end of described PLC analog input template 6 is connected with electrical system 7, and the other end of described electrical system 7 is connected with feeding motor 8.
Preferably, described intelligent temperature sensor is DS18B20 temperature sensor 4.
Described DS18B20 temperature sensor 4 is a kind of modified intelligent temperature sensors 4 of U.S. DALLAS semiconductor company up-to-date release after DS1820.Compare with traditional thermistor, it can directly be read dut temperature and can realize 9~12 digital value reading mode by simple programming according to actual requirement, can in 93.75ms and 750ms, finish respectively 9 and 12 s' digital quantity, and the information of reading from DS18B20 or the information that writes DS18B20 only need a mouth line (one-wire interface) read-write, temperature inversion power derives from data/address bus, bus itself also can be to the DS18B20 power supply that articulates, and need not additional power supply, thereby use DS18B20 can make system architecture simpler, reliability is higher, he is at temperature measurement accuracy, conversion time, transmission range, there has been very large improvement the aspects such as resolution ratio than DS1820, and concrete advantage is as follows:
(1) unique one-wire interface mode: only need a Tiaokou line can realize the both-way communication of microprocessor and DS18B20 when DS18B20 is connected with microprocessor;
(2) in use without any need for peripheral cell;
(3) data available line power supply, voltage range :+3.0 ~+5.5V;
(4) temperature-measuring range :-55 ~+125 ° of C, intrinsic thermometric resolution ratio is 0.5 ℃;
(5) can realize 9 ~ 12 digital reading mode by programming;
(6) user can set non-volatile warning upper lower limit value certainly;
(7) support the multiple spot networking function, a plurality of DS18B20 can be connected in parallel on the three unique lines, realize multi-point temperature measurement;
(8) negative pressure characteristic, electric power polarity connects inverse time, and thermometer can not burn because of heating, but cisco unity malfunction.
The course of work of this example: after the console mode milling-boring machine starts, DS18B20 temperature sensor 4 is measured the minimum temperature in workshop, when ram 3 temperature are lower than 25 ° of C, temperature-compensating comes into force, when ram 3 temperature are higher than 25 ℃, without temperature-compensating, this moment, the bearing temperature rise control system 2 of console mode milling-boring machine worked.
The utility model adopts Siemens 810D/840D system temperature compensation principle, and is specific as follows:
During the work of console mode milling-boring machine, some parts can produce a large amount of heats such as main shaft 5 and drive motors etc., the impact that mechanical part above the ram 3 of console mode milling-boring machine can be subject to these heats produces mechanically deform, thereby have influence on the precision of console mode milling-boring machine, deflection is subjected to height and these mechanical part fuel factor parameter influences of temperature.
Temperature-compensating is an option in Siemens 810D/840D, need to order separately, orders goods number to be: 6FC5251-OAA13-OAA0.
In temperature-compensating, variation along with temperature value, the deflection of ram 3 is different, even under same temperature, the position different distortion amount of ram 3 is also different, in temperature-compensating, need an external temperature sensor 4, it is DS18B20 temperature sensor 4, DS18B20 temperature sensor 4 is received PLC analog input template 6, obtains detecting the temperature value at position in the PLC program by the value of access analog input, and signal is passed to electrical system 7, electrical system 7 is calculated compensation rate, then implements compensation by feeding motor 8.
Above an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.

Claims (2)

1. the ram heat distortion temperature compensation arrangement of a console mode milling-boring machine, it is characterized in that: comprise ram, be provided with ram tension thick stick in the described ram, described ram tension thick stick is provided with intelligent temperature sensor, be connected with PLC analog input template on the described intelligent temperature sensor, the other end of described PLC analog input template is connected with electrical system, and the other end of described electrical system is connected with the feeding motor.
2. the ram heat distortion temperature compensation arrangement of a kind of console mode milling-boring machine according to claim 1, it is characterized in that: described intelligent temperature sensor is the DS18B20 temperature sensor.
CN 201220332070 2012-07-10 2012-07-10 Ram heat distortion temperature compensation device of floor type milling and boring machine Expired - Lifetime CN202639856U (en)

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CN 201220332070 CN202639856U (en) 2012-07-10 2012-07-10 Ram heat distortion temperature compensation device of floor type milling and boring machine

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Application Number Priority Date Filing Date Title
CN 201220332070 CN202639856U (en) 2012-07-10 2012-07-10 Ram heat distortion temperature compensation device of floor type milling and boring machine

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105666244A (en) * 2016-01-06 2016-06-15 北京工业大学 Method for reducing number of boring bar thermal elongation error temperature measurement points of numerical-control boring machine under thermal effect
CN105798705A (en) * 2014-12-30 2016-07-27 武汉重型机床集团有限公司 Machining compensation method for high-precision hole system of austenitic stainless steel plate part
CN103350371B (en) * 2013-06-14 2016-09-28 薛莉英 Ram microgap, gantry machining center side compensates system
CN109047817A (en) * 2018-09-26 2018-12-21 华蓥市铜堡初级中学 A kind of Novel ground boring machine
US10365633B2 (en) 2017-06-14 2019-07-30 Ford Motor Company Method for generating CNC machine offset based on thermal model

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103350371B (en) * 2013-06-14 2016-09-28 薛莉英 Ram microgap, gantry machining center side compensates system
CN105798705A (en) * 2014-12-30 2016-07-27 武汉重型机床集团有限公司 Machining compensation method for high-precision hole system of austenitic stainless steel plate part
CN105798705B (en) * 2014-12-30 2018-02-02 武汉重型机床集团有限公司 The processing compensation method of austenitic stainless steel disk-like accessory high-precision porous
CN105666244A (en) * 2016-01-06 2016-06-15 北京工业大学 Method for reducing number of boring bar thermal elongation error temperature measurement points of numerical-control boring machine under thermal effect
US10365633B2 (en) 2017-06-14 2019-07-30 Ford Motor Company Method for generating CNC machine offset based on thermal model
CN109047817A (en) * 2018-09-26 2018-12-21 华蓥市铜堡初级中学 A kind of Novel ground boring machine

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