CN207104056U - The automatic remelting integrating device of flame spray welding - Google Patents
The automatic remelting integrating device of flame spray welding Download PDFInfo
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- CN207104056U CN207104056U CN201721099454.4U CN201721099454U CN207104056U CN 207104056 U CN207104056 U CN 207104056U CN 201721099454 U CN201721099454 U CN 201721099454U CN 207104056 U CN207104056 U CN 207104056U
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- remelting
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- temperature control
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Abstract
The utility model discloses a kind of automatic remelting integrating device of flame spray welding, including the mobile balladeur train for rotating bed body and being arranged at before rotation bed body；The both ends of the rotation bed body are separately provided for positioning the rotary chuck and tailstock centre of workpiece, the front end of workpiece is installed on rotary chuck, end is installed on tailstock centre；The rotation bed body upper surface is provided with the bracket for holding workpiece spindle nose, enables workpiece stable rotation centered on axis；Dusting device, remelting apparatus and temperature control device are provided with described mobile balladeur train.The automatic remelting integrating device of flame spray welding described in the utility model, ensure that system reliability, effectively reduces the product repairing caused by human error, scraps；Simultaneously because using automatic control system, reduce labor operation intensity, reduce the scrappage of product, improve production efficiency.
Description
Technical field
Machine-building and welding technology field are the utility model is related to, is sprayed for Hot Line laminar flow rollgang surface flame
Weld control device, a kind of automatic remelting integrating device of flame spray welding.
Background technology
Abrasion is a kind of universal phenomenon of nature.Abrasion refers to that the material of two matching surfaces is due to relative motion and continuous
The phenomenon of loss.Friction just necessarily occurs simply by the presence of the relative motion between body surface, has friction to be just necessarily accompanied with mill
Damage, can produce the condition of work of abrasion includes sliding, micro- shake, impacts, abrading, corroding.
Therefore, in order to obtain the part with property, people generally spray certain thickness wear-resisting in matrix surface
Material, and metallurgical binding is realized by the mode coating and matrix of high temperature reflow, it is good to obtain bond strength height, wearability
Composite.
In the prior art, coating and base are typically obtained using modes such as flame remolten, inducting remolten, laser surface modifications
The metallurgical binding of body.Wherein the technology such as inducting remolten and laser surface modification, which can be transferred through automatically controlling, obtains accurate remelting temperature
Degree, and flame remolten can not realize the accurate control of remelting temperature due to the interference of flame stream, can only be by manually observing and technique
Parameter adjusts to realize " mirrored effect " of melting interface in real time.
Therefore, remelting temperature control can be caused inaccurate in actual production process, during using flame spray welding remelting, workpiece
Uneven heating, the tissue crystal particle dimension difference after remelting is larger, and the performance for ultimately resulting in coating does not reach expected effect, product
Quality also cannot be guaranteed.
And existing infrared laser sensor, during collecting temperature, being concentrated due to heat causes infrared laser
Sensor temperature is too high, easily causes to damage.
The content of the invention
According to technical problem set forth above, and provide a kind of flame spray welding automatic remelting integrating device, it is existing for solving
Remelting temperature control can be caused inaccurate during some flame spray welding remeltings, workpiece uneven heating, the tissue crystallite dimension after remelting
Differ greatly, the shortcomings that performance for ultimately resulting in coating does not reach expected effect, and product quality also cannot be guaranteed.This practicality
The technological means of new use is as follows：
A kind of automatic remelting integrating device of flame spray welding, including the mobile cunning for rotating bed body and being arranged at before rotation bed body
Frame；The both ends of the rotation bed body are separately provided for positioning the rotary chuck and tailstock centre of workpiece, make the front end of workpiece
It is installed on rotary chuck, end is installed on tailstock centre；The rotation bed body upper surface is provided with for holding workpiece spindle
The bracket of head, enable workpiece stable rotation centered on axis；Dusting device, remelting dress are provided with described mobile balladeur train
Put and temperature control device, and enable the axis direction of dusting device, remelting apparatus and temperature control device opposite piece, it is front and rear reciprocal
It is mobile；The ejection end of the dusting device is located on the outside of the workpiece, and the front end of the remelting apparatus is provided with remelting circle, described
Remelting circle include thermometer hole, upper ring and a lower ring；Described upper ring and a lower ring is relatively arranged on the outside of the workpiece, and in temperature
The upper ring and a lower ring junction for controlling device side sets thermometer hole, and described temperature control device includes infrared laser sensor and setting
In the cooling system of infrared laser sensor surrounding.
It is used to control dusting device, remelting apparatus and temperature control device movement as being provided with preferably described mobile balladeur train
Movable motor, the movable motor and temperature control device are connected with PLC control system, are provided with described PLC control system
Smart electronicses automatic flow valve.
As frock of the preferred remelting apparatus including remelting circle and for supporting remelting circle；Described remelting circle passes through
Steady pin is supported on mobile balladeur train.
Compared with prior art, the automatic remelting integrating device of flame spray welding described in the utility model, have following excellent
Point：
1st, the automatic remelting integrating device of flame spray welding described in the utility model, reflow process gas control unit：Intelligence
Electronics automatic flow valve is according to switch semi-ring or loopful quantity adjust automatically oxygen, propane flow.PLC control system passes through calculating
Oxygen matches with propane, adjusts two kinds of gas flows (oxygen 600L/min, propane 700L/min), realizes that two kinds of gas mixing ratios are steady
It is fixed, finally realize homogeneous heating.
2nd, the automatic remelting integrating device of flame spray welding described in the utility model, remelting round trip sequence defencive function：Remelting circle
The propane magnetic valve of any ring is not turned on or when flow does not reach technological requirement in upper ring and a lower ring, and oxygen magnetic valve can not
Open, system program is protected.The purpose is to prevent oxygen flow proportioning from causing tempering dangerous more than propane flow.
When closing remelting circle upper ring and a lower ring, oxygen magnetic valve is not closed at once.System program first carries out intelligent electricity
Sub- automatic flow valve progressively closes off oxygen flow, and when flow is equal to 0L/min, oxygen magnetic valve is closed automatically.The unit purpose
It is the accurate control for realizing gas flow in reflow process, so as to realize the uniformity to workpiece heat, prevents from producing during remelting
Tempering phenomenon.
3rd, the automatic remelting integrating device of flame spray welding described in the utility model, reflow process temperature control unit：First
The data acquisition of workpiece high-temperature temperature is carried out to PLC temperature control processing centers, PLC according to gathered data by infrared laser sensor
Software programming filters, and carries out average computation analysis.It is calculated and compared with technological requirement temperature data value, according to comparative result
High, medium and low three-level acceleration and deceleration output analog quantity is carried out, the translational speed of Analog control remelting circle is exported, so as to reach closed loop
Control temperature equalization.
This temperature algorithm accelerates (high, normal, basic) using three-level, and it is fast with closed loop to establish closed-loop trim with three-level deceleration (high, normal, basic)
The whole carry out temperature control of velocity modulation.Temperature control region equalized temperature value according to needed for collection in real work carries out closed-loop control.It is a whole set of
Temperature program module controls the translational speed of remelting circle, so as to ensure workpiece temperature stable equilibrium in reflow process.
The automatic remelting integrating device of flame spray welding described in the utility model, temperature control device include infrared laser sensor and
It is arranged at the cooling system of infrared laser sensor surrounding.The water of sealing is devised with copper coin in infrared laser sensor surrounding
SAPMAC method structure, during avoiding collecting temperature, being concentrated due to heat causes infrared laser sensor temperature too high, causes
The risk of damage.After adding cooling system, the temperature of sensor is generally less than 20 DEG C during work, work circumstances safe.
The automatic remelting integrating device of flame spray welding described in the utility model, ensure that system reliability, effectively reduce by
In product repairing caused by human error, scrap；Simultaneously because using automatic control system, it is strong to reduce labor operation
Degree, the scrappage of product is reduced, improve production efficiency, while enterprise can be improved and manufacture and repair field in hot-rolling laminar roller-way
Popularity, the core competitiveness of enterprise is enhanced, be a kind of flame spray welding fused again with matrix for alloy powder coating
Automatic remelting integrating device.
The automatic remelting integrating device of flame spray welding described in the utility model, solves remelting temperature existing for prior art
Control is inaccurate, and workpiece preheating and uneven heating are even, and the material grains after remelting are thick, and efficiency is low, unstable product quality etc.
Deficiency.
The automatic remelting integrating device of flame spray welding described in the utility model, there is remelting temperature control accuracy height, remelting
Temperature quick heating and uniformly, workpiece deformation is small, and remelting quality is high, and the crystal grain in inducting remolten coating is fine and closely woven, and superficial hardness number is high,
The corrosion resistance and abrasion resistance of coating are better than oxyacetylene torch remelting coating, the advantages such as the technique manufacturing cost of product is low.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is front view of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is the utility model movement balladeur train part scheme of installation.
Fig. 4 is the utility model PLC control system wiring schematic diagram.
Wherein：1st, rotary chuck, 2, rotation bed body, 3, bracket, 4, tailstock centre, 5, mobile balladeur train, 6, dusting device, 7,
Remelting apparatus, 8, temperature control device, 9, remelting circle, 10, thermometer hole, 11, upper ring, 12, lower ring, 13, steady pin, 14, movable motor,
15th, PLC control system.
Embodiment
As illustrated, a kind of automatic remelting integrating device of flame spray welding, including rotate bed body 2 and be arranged at rotation bed body 2
Preceding mobile balladeur train 5；The both ends of the rotation bed body 2 are separately provided for positioning the rotary chuck 1 and tailstock centre of workpiece
4, the front end of workpiece is installed on rotary chuck 1, end is installed on tailstock centre 4；Rotation bed body 2 upper surface installation
There is the bracket 3 for holding workpiece spindle nose, enable workpiece stable rotation centered on axis, ensure workpiece in reflow process
Stable rotation.
Dusting device 6, remelting apparatus 7 and temperature control device 8 are provided with described mobile balladeur train 5, and makes dusting device
6th, remelting apparatus 7 and temperature control device 8 are capable of the axis direction of opposite piece, front and rear to move back and forth, and ensure dust process and remelting
The stability of process walking.
The ejection end of the dusting device 6 is located on the outside of the workpiece, and the front end of the remelting apparatus 7 is provided with remelting circle
9, described remelting circle 9 includes thermometer hole 10, upper ring 11 and lower ring 12；Described upper ring 11 and lower ring 12 are relatively arranged on described
On the outside of workpiece, and thermometer hole 10 is set in the upper ring 11 of the side of temperature control device 8 and the lower junction of ring 12.Described temperature control device
8 include infrared laser sensor and are arranged at the cooling system of infrared laser sensor surrounding.In infrared laser sensor surrounding
The Water-cooling circulating structure of sealing is devised with copper coin, during avoiding collecting temperature, due to heat concentrate cause it is infrared
Laser sensor temperature is too high, causes the risk of damage.After adding cooling system, the temperature of sensor is generally less than 20 during work
DEG C, work circumstances safe.
The row for controlling dusting device 6, remelting apparatus 7 and temperature control device 8 to move is provided with described mobile balladeur train 5
Motor 14 is walked, the movable motor 14 and temperature control device are connected with PLC control system 15, set in described PLC control system 15
It is equipped with smart electronicses automatic flow valve.
The remelting apparatus 7 includes remelting circle 9 and the frock for supporting remelting circle 9；Described remelting circle 9 passes through fixation
Pin 13 is supported on mobile balladeur train 5, and steady pin 13 plays a part of fixed position.
When workpiece carries out remelting, the temperature element in temperature control device 8 can pass through remelting circle thermometer hole by infrared induction
The temperature of flame stream in 10 measurement reflow process, and by temperature feedback into PLC control system.PLC control system calculates remelting temperature
Degree, and is contrasted with setting value, after error range, can adjust the speed of travel in time, by the adjustment of the speed of travel come
Ensure the accuracy of remelting temperature.
As illustrated, a kind of application method of the automatic remelting integrating device of above-mentioned flame spray welding, comprises the following steps：
Install, one end of workpiece to be sprayed is arranged on rotary chuck 1, the other end is arranged on tailstock centre 4 before remelting
On.
During remelting, the temperature element in temperature control device 8 can pass through the thermometer hole 10 of remelting circle 9, measurement by infrared induction
The temperature of flame stream in reflow process, and by temperature feedback into PLC control system 15.
Remelting temperature is calculated in PLC control system 15, and is contrasted with setting value, can be timely after error range
The speed of travel is adjusted, the accuracy of remelting temperature is ensured by the adjustment of the speed of travel.
In reflow process, smart electronicses automatic flow valve is according to switch semi-ring or loopful quantity adjust automatically oxygen, propane
Flow, PLC control system 15 are matched with propane by calculating oxygen, adjust two kinds of gas flows, realize that two kinds of gas mixing ratios are steady
It is fixed, finally realize homogeneous heating.
The propane magnetic valve of any ring is not turned in remelting ring programmed protection, the upper ring 11 of remelting circle 9 and lower ring 12
Or flow, when not reaching technological requirement, oxygen magnetic valve can not be opened；
Close on remelting circle ring 11 and during lower ring 12, oxygen magnetic valve is not closed at once；System program first carries out intelligence
Energy electronics automatic flow valve progressively closes off oxygen flow, and when flow is equal to 0L/min, oxygen magnetic valve is closed automatically.
Workpiece high-temperature temperature data acquisition is arrived PLC control system by the temperature control device 8 by infrared laser sensor
PLC temperature control processing centers, PLC control system carries out software programming filtering according to gathered data, and carries out average computation analysis, with
Technological requirement temperature data value is calculated and compared, and carrying out high, medium and low three-level acceleration and deceleration according to comparative result exports analog quantity,
The translational speed of Analog control remelting circle is exported, so as to reach closed-loop control temperature equalization.
This temperature algorithm is accelerated using three-level, and establish closed-loop trim with three-level deceleration quickly adjusts into trip temperature control with closed loop
System, temperature control region equalized temperature value according to needed for collection in real work carry out closed-loop control, a whole set of temperature program module control
The translational speed of remelting circle.
The running parameter of the automatic remelting integrating device of flame spray welding：Diameter of work：Φ 100~300；Workpiece length：
≤3000mm；Workpiece rotational frequency：0~60r/min；Surfacing head translational speed：0~600mm/min；Remelting circle translational speed：0~
600mm/min；Remelting circle running fix precision：±0.5mm；Maximum heating temperature：1650℃；Temperature control precision：±0.1
℃；Propane flow：0~800L/min；Oxygen flow：0~700L/min；Propane flow control accuracy：±0.5L/min；Oxygen
Flow control accuracy：±0.5L/min.
The automatic remelting integrating device of flame spray welding described in the utility model, the PLC type number of PLC control system：PLC-
MOTOR-05。
The automatic remelting integrating device of flame spray welding described in the utility model, flame spray welding remelting processing process is realized certainly
Dynamic control, it is with a wide range of applications, particularly suitable for remelting self-fluxing alloy powder, to various axle classes, hot rolling conveying roller class, liquid
Press the surface Hardening Treatment of the workpiece such as support, roller significant.
The automatic remelting integrating device of flame spray welding described in the utility model, flame remolten temperature and gas flow are realized
Accurate control, matched by PLC system and smart electronicses automatic flow valve adjust automatically oxygen, propane flow, realize two kinds of gas
Body proportioning is stable, finally realizes homogeneous heating；Adjustment remelt speed in real time is fed back by temperature signal, so as to realize reflow process
Gas, temperature, speed automatically control, and are a kind of automatically to be weighed for the flame spray welding that alloy powder coating fuses again with matrix
Molten integrating device.
By taking 300 × 2300mm of Φ hot-rolling laminar cooling rollgang as an example, the specific experiment number in reflow process is determined
According to as follows：
Workpiece rotational frequency：35r/min；Remelting circle translational speed：70~90mm/min；Remelting circle running fix precision：±
0.5mm；Maximum heating temperature：1050℃；Actual feedback temperature：1049.8℃；Propane flow：690.5L/min；Oxygen flow：
560.5L/min。
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.
Claims (3)
1. a kind of automatic remelting integrating device of flame spray welding, it is characterised in that including rotation bed body (2) and be arranged at rotation bed body
(2) the mobile balladeur train (5) before；
The both ends of the rotation bed body (2) are separately provided for positioning the rotary chuck (1) and tailstock centre (4) of workpiece, make
The front end of workpiece is installed on rotary chuck (1), and end is installed on tailstock centre (4)；
Described rotation bed body (2) upper surface is provided with the bracket (3) for holding workpiece spindle nose, enables workpiece using axis in
The heart is stable to be rotated；
Dusting device (6), remelting apparatus (7) and temperature control device (8) are provided with described mobile balladeur train (5), and makes to dust
Device (6), remelting apparatus (7) and temperature control device (8) are capable of the axis direction of opposite piece, front and rear to move back and forth；
The ejection end of the dusting device (6) is located on the outside of the workpiece, and the front end of the remelting apparatus (7) is provided with remelting circle
(9),
Described remelting circle (9) includes thermometer hole (10), upper ring (11) and lower ring (12)；
Described upper ring (11) and lower ring (12) is relatively arranged on the outside of the workpiece, and in the upper of temperature control device (8) side
Ring (11) and lower ring (12) junction set thermometer hole (10)；
Described temperature control device (8) includes infrared laser sensor and is arranged at the cooling system of infrared laser sensor surrounding.
2. the automatic remelting integrating device of flame spray welding according to claim 1, it is characterised in that：
It is provided with described mobile balladeur train (5) for controlling dusting device (6), remelting apparatus (7) and temperature control device (8) mobile
Movable motor (14), the movable motor (14) and temperature control device are connected with PLC control system (15), described PLC controls
Smart electronicses automatic flow valve is provided with system (15).
3. the automatic remelting integrating device of flame spray welding according to claim 1 or 2, it is characterised in that：
The remelting apparatus (7) includes remelting circle (9) and the frock for supporting remelting circle (9)；Described remelting circle (9) passes through
Steady pin (13) is supported on mobile balladeur train (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721099454.4U CN207104056U (en) | 2017-08-30 | 2017-08-30 | The automatic remelting integrating device of flame spray welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721099454.4U CN207104056U (en) | 2017-08-30 | 2017-08-30 | The automatic remelting integrating device of flame spray welding |
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| Publication Number | Publication Date |
|---|---|
| CN207104056U true CN207104056U (en) | 2018-03-16 |
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ID=61574200
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| CN201721099454.4U Active CN207104056U (en) | 2017-08-30 | 2017-08-30 | The automatic remelting integrating device of flame spray welding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309523A (en) * | 2017-08-30 | 2017-11-03 | 大连华锐重工集团股份有限公司 | The automatic remelting integrating device of flame spray welding and its application method |
| CN108265162A (en) * | 2018-04-11 | 2018-07-10 | 浙江工业大学 | For local heat treatmet device and temprature control method after shaft element laser repairing |
| CN109366056A (en) * | 2018-10-31 | 2019-02-22 | 天津鑫凯建业科技有限公司 | A kind of steel pipes with straight welder |
-
2017
- 2017-08-30 CN CN201721099454.4U patent/CN207104056U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309523A (en) * | 2017-08-30 | 2017-11-03 | 大连华锐重工集团股份有限公司 | The automatic remelting integrating device of flame spray welding and its application method |
| CN108265162A (en) * | 2018-04-11 | 2018-07-10 | 浙江工业大学 | For local heat treatmet device and temprature control method after shaft element laser repairing |
| CN109366056A (en) * | 2018-10-31 | 2019-02-22 | 天津鑫凯建业科技有限公司 | A kind of steel pipes with straight welder |
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