CN201266106Y - Filling rate on-line measurement control device of flux-cored wire forming machine - Google Patents
Filling rate on-line measurement control device of flux-cored wire forming machine Download PDFInfo
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- CN201266106Y CN201266106Y CNU2008201913619U CN200820191361U CN201266106Y CN 201266106 Y CN201266106 Y CN 201266106Y CN U2008201913619 U CNU2008201913619 U CN U2008201913619U CN 200820191361 U CN200820191361 U CN 200820191361U CN 201266106 Y CN201266106 Y CN 201266106Y
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- steel band
- flux
- cored wire
- powder
- speed
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Abstract
The utility model relates to a filing rate on-line measurement control device of a flux-cored wire forming machine, which belongs to the welding material manufacture equipment. The flux-cored wire forming machine comprises a powder hopper (12), a belt powder feeding assembly (10) and steel band rolling forming equipment, a powder flow measuring device is arranged between the powder hopper (12) and the belt powder feeding assembly (10), and the steel band rolling forming equipment is provided with a steel band speed measuring device (2). The utility model has reasonable design, strong practicability, high automation degree, high measurement and control accuracy, stable product quality, and high production efficiency, is convenient for accurately controlling the flux-cored wire filling rate, and can be suitable for the forming machine with high production efficiency.
Description
Technical field
The utility model relates to a kind of pick-up unit of flux-cored wire former.Relate in particular to a kind of filling rate on-line measurement control device of flux-cored wire forming machine, belong to welding material manufacturing equipment technical field.
Background technology
Along with Development of Welding Technology, the superiority of flux-cored wire is familiar with by people gradually and is accepted, and range of application is constantly expanded, and has promoted the utilization of flux-cored wire greatly.Feasible demand to flux-cored wire enlarges day by day, and the particularly development of shipbuilding industry needs carbon steel flux-cored wire in a large number, and therefore, More and more factories is produced flux-cored wire one after another.The key of wherein producing flux-cored wire is to control the filling rate of medicinal powder well, and it is the key that directly influences quality.On critical process-make-up machine of producing flux-cored wire, the medicinal powder constant volume filling device is arranged all, for the filling rate that guarantees medicinal powder meets production requirement, the production technology of present many producers is behind the welding wire of production some, the sampling check filling rate stops, promptly intercept one section welding wire, with manually with the welding wire strip off, take out medicinal powder, the weight of difference weighing this section welding wire traditional Chinese medicine powder and steel band, thereby calculate filling rate, if undesirable, then readjust the medicinal powder constant volume filling device, and the welding wire of harsh output can only be as the unacceptable product individual processing.Both time-consuming, influence production efficiency again, also may cause waste, can't the quality of production of welding wire be control effectively simultaneously.This has all limited production-scale expansion of flux-cored wire and the manufacturing development of welding wire.
Summary of the invention
The purpose of this utility model is to measure the defective and the deficiency of flux-cored wire filling rate at existing make-up machine, and a kind of filling rate on-line measurement control device of flux-cored wire forming machine is provided.It is simple in structure, and is easy to install and use, and the precision that detects and control is higher, and it is extensive to be suitable for type.
The purpose of this utility model realizes by following technological means: the filling rate on-line measurement control device of flux-cored wire forming machine, described flux-cored wire forming machine comprises powder bucket, belt powder feeding assembly and steel band roll forming equipment, be provided with the powder flow measurement mechanism between powder bucket and belt powder feeding assembly, steel band roll forming equipment is provided with the steel band speed measuring device.
Described powder flow measurement mechanism is by the Air control valve assembly, transparent conveying pipeline, last material level photoelectric sensor and following material level photoelectric sensor are formed, the Air control valve assembly is installed in the exit of powder bucket, transparent conveying pipeline is vertically mounted between Air control valve assembly and the belt powder feeding assembly, last material level photoelectric sensor is installed the upper end of transparent conveying pipeline, following material level photoelectric sensor is installed in the lower end of transparent conveying pipeline, described steel band speed measuring device is by the steel band fifth wheel, wheel shaft and tachometric survey sensor composition tests the speed, the axle center of steel band fifth wheel is fixed with the wheel shaft that tests the speed, the wheel shaft that tests the speed is installed on the support of steel band below, and the tachometric survey sensor is installed on the wheel shaft that tests the speed.
The described signal wire of going up material level photoelectric sensor, following material level photoelectric sensor and tachometric survey sensor is connected with the signal input part of programmable controller or microprocessor respectively, and the signal output part of programmable controller or microprocessor is connected with the switch control end of Air control valve assembly.
The signal output part of described programmable controller or microprocessor is connected with speed control unit on steel band roll forming equipment and/or the belt powder feeding assembly.
Ratio powder feeding sensor also is installed on the described wheel shaft that tests the speed, and the signal output part of ratio powder feeding sensor is connected with the signal input part of programmable controller or microprocessor and the speed control unit on the belt powder feeding assembly respectively.
Described steel band speed measuring device is installed in the forward (FWD) end of steel band roll forming equipment, the top of described steel band fifth wheel has a pinch roller to contact with the tread rolling of steel band fifth wheel, the wheel shaft of pinch roller is provided with an extension spring, and the other end of extension spring is fixed on the support of pinch roller below.
Compared with prior art the utlity model has following tangible advantage:
1. realized the on-line measurement and the control of medicine core bonding wire make-up machine filling rate, measuring accuracy is higher, and control is flexible with adjustment, and according to the filling rate of setting, the speed of belt powder feeding assembly and make-up machine operation can corresponding automatically adjustment.To guarantee that filling rate meets the demands, can not produce the underproof welding wire of filling rate substantially, constant product quality is convenient to realize the accurate control to the flux-cored wire filling rate, can adapt to large-duty make-up machine, the production efficiency height.
2. the on-line measurement and the control device of medicine core bonding wire make-up machine filling rate are reasonable in design, practical, and the automaticity height is measured and the control accuracy height, and time saving and energy saving, the production efficiency height does not need independent operation, easily the advantage of grasping.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of steel band gravity measure device 2;
Fig. 4 is the left view of Fig. 3.
Among the figure, support 1, steel band speed measuring device 2, steel band fifth wheel 21, extension spring 22, pinch roller 23, powder feeding scrambler 24, tachometric survey sensor 25, bearing seat 26, the wheel shaft 27 that tests the speed, steel band 3, glass conveying pipeline 4, last material level photoelectric sensor 5, following material level photoelectric sensor 6, following powder groove 7, steel band support roller 8, servomotor 9, belt powder feeding assembly 10, Air control valve assembly 11, powder bucket 12.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail:
The filling rate on-line measurement control device of flux-cored wire forming machine of the present utility model, described flux-cored wire forming machine comprises powder bucket 12, belt powder feeding assembly 10 and steel band roll forming equipment, be provided with the powder flow measurement mechanism between powder bucket 12 and belt powder feeding assembly 10, steel band roll forming equipment is provided with steel band speed measuring device 2.
Described powder flow measurement mechanism is by Air control valve assembly 11, transparent conveying pipeline 4, last material level photoelectric sensor 5 and following material level photoelectric sensor 6 are formed, Air control valve assembly 11 is installed in the exit of powder bucket 12, transparent conveying pipeline 4 is vertically mounted between Air control valve assembly 11 and the belt powder feeding assembly 10, the upper end that last material level photoelectric sensor 5 is installed transparent conveying pipeline 4, following material level photoelectric sensor 6 is installed in the lower end of transparent conveying pipeline 4, described steel band speed measuring device 2 is by steel band fifth wheel 21, wheel shaft 27 and tachometric survey sensor 25 compositions test the speed, the axle center of steel band fifth wheel 21 is fixed with the wheel shaft 27 that tests the speed, the wheel shaft 27 that tests the speed is installed on the support 1 of steel band 3 belows, on the wheel shaft 27 that tests the speed tachometric survey sensor 25 is installed.
The described signal wire of going up material level photoelectric sensor 5, following material level photoelectric sensor 6 and tachometric survey sensor 25 is connected with the signal input part of programmable controller or microprocessor respectively, and the signal output part of programmable controller or microprocessor is connected with the switch control end of Air control valve assembly 11.
On the described wheel shaft 27 that tests the speed ratio powder feeding sensor 24 is installed also, the signal output part of ratio powder feeding sensor 24 is connected with the signal input part of programmable controller or microprocessor and the speed control unit on the belt powder feeding assembly 10 respectively.
The signal output part of described programmable controller or microprocessor is connected with speed control unit on steel band roll forming equipment and/or the belt powder feeding assembly 10.Speed control unit on the described steel band roll forming equipment is the speed change gear on steel band 3 draw-off equipments normally, as variable-frequency motor on the wire drawing machine or variator etc.Speed control unit on the described belt powder feeding assembly 10 normally drives the speed change gear on the motor of its belt movement, as the speed control unit on the servomotor.
Described steel band speed measuring device 2 is installed in the forward (FWD) end of steel band roll forming equipment, the top of described steel band fifth wheel 21 has a pinch roller 23 to contact with the tread rolling of steel band fifth wheel 21, the wheel shaft of pinch roller 23 is provided with an extension spring 22, and the other end of extension spring 22 is fixed on the support 1 of pinch roller 23 belows.Pinch roller 23 is pressed against steel band 3 on the steel band fifth wheel 21, makes steel band fifth wheel 21 with steel band 3 motions, and the error to avoid 21 idle running of steel band fifth wheel to be caused improves the accuracy that tests the speed.Simultaneously pinch roller 23 also can be rejected steel band 3 lip-deep burrs in rotation, helps improving the precision of the rolling and moulding of next step steel band 3.
The filling rate on-line measurement control method of flux-cored wire forming machine of the present utility model may further comprise the steps:
A. powder bucket 12 and the belt powder feeding assembly 10 to make-up machine adds the core powder that is used as medicine, adjust and the fixing powder feeding gap on the belt powder feeding assembly 10, the steel band 3 of in steel band roll forming equipment, packing into, open belt powder feeding assembly 10 and steel band roll forming equipment, the speed of steel band 3 on powder flow on the measurement belt powder feeding assembly 10 and the steel band roll forming equipment, calculate in the same time period T weight W 2 of passing through steel band 3 on powder weight W 1 by belt powder feeding assembly 10 and the steel band roll forming equipment simultaneously;
B. according to formula: Q=[W1/ (W1+W2)] * 100%; Calculate the filling rate Q of flux-cored wire, and adjust the travelling speed V2 of steel band 3 on the travelling speed V1 of belt on the belt powder feeding assembly 10 and/or the steel band roll forming equipment, repeating step A meets the demands until the filling rate Q of flux-cored wire.
In the described steps A, powder flow on the belt powder feeding assembly 10 can by laser range finder and be arranged on powder bucket 12 and belt powder feeding assembly 10 between Air control valve assembly 11, transparent conveying pipeline 4 record, transparent conveying pipeline 4 promptly is installed between powder bucket 12 and belt powder feeding assembly 10, with laser range finder be arranged on transparent conveying pipeline 4 near, when Air control valve assembly 11 is closed, measure powder drop in time period T in the transparent conveying pipeline 4 by laser range finder, and calculate the powder weight W 1 that belt powder feeding assembly 10 is carried in the time period T; Powder flow on the belt powder feeding assembly 10 also can be recorded by the powder flow measurement mechanism, described powder flow measurement mechanism is by Air control valve assembly 11, transparent conveying pipeline 4, last material level photoelectric sensor 5 and following material level photoelectric sensor 6 are formed, Air control valve assembly 11 is installed in the exit of powder bucket 12, transparent conveying pipeline 4 is vertically mounted between Air control valve assembly 11 and the belt powder feeding assembly 10, the upper end that last material level photoelectric sensor 5 is installed transparent conveying pipeline 4, following material level photoelectric sensor 6 is installed in the lower end of transparent conveying pipeline 4, during 10 operations of belt powder feeding assembly, open Air control valve assembly 11 earlier, powder falls into transparent conveying pipeline 4, when the powder in the transparent conveying pipeline 4 arrives the height of going up material level photoelectric sensor 5, close Air control valve assembly 11, measure powder height in the transparent conveying pipeline 4 and drop to the time period T of material level photoelectric sensor 6 by last material level photoelectric sensor 5, and according to formula: W1=0.5D
2* π * L * γ 1; The weight W 1 of powder that calculating is flow through,
In the formula: the internal diameter of D-transparent conveying pipeline 4, π-circular constant, L-last material level photoelectric sensor 5 is to the distance of following material level photoelectric sensor 6, the proportion of γ 1-powder.
In the described steps A, on the steel band roll forming equipment the speed V2 by steel band 3 can record by laser velocimeter, promptly near steel band roll forming equipment, laser velocimeter is set, making equidistant mark with chalk or coating on the steel band 3, when steel band 3 operations, measuring the travelling speed of steel band 3 and calculate the weight W 2 of passing through steel band 3 in the time period T on the steel band roll forming equipment by laser range finder.On the steel band roll forming equipment the speed V2 by steel band 3 also can by steel band speed measuring device 2 record on the described steel band roll forming equipment the speed by steel band 3 record by steel band speed measuring device 2, described steel band speed measuring device 2 is made up of steel band fifth wheel 21 that is installed in steel band 3 belows and the tachometric survey device 25 that is installed on the wheel shaft 27 that tests the speed, and according to formula: W2=γ 2 * P * S * n; Pass through the weight W 2 of steel band 3 computing time in the section T,
In the formula: the proportion of γ 2-steel band 3, the circumference of P-steel band fifth wheel 21 treads, the sectional area of S-steel band 3, the number of turns that steel band fifth wheel 21 rotates in n-T time period.
The method that adopts powder flow measurement mechanism and 2 pairs of flux-cored wire forming machines of steel band speed measuring device to carry out filling rate on-line measurement and control is as follows: the 1st, will produce the steel band 3 (sectional area of setting steel band 3 is S) of the used certain specification of flux-cored wire, the circumference that the steel band fifth wheel 21 that passes a pair of being mounted to " S " type is set the tread of fifth wheels 21 is P, by wire drawing machine pulling steel band 3 and through some molding roller is rolled into " U " type with the xsect of steel band, again by one group of steel band support roller 8 guiding accurately through under the powder groove 7 down, make the powder that falls from belt powder feeding assembly 10 enter all that " U is " the steel band in type cross section.The 2nd, last material level photoelectric sensor 5 and following material level photoelectric sensor 6 usefulness clips are fixed on transparent conveying pipeline 4 as on the glass conveying pipeline, meter is gone up the distance of 6 of material level photoelectric sensor 5 and following material level photoelectric sensors and the internal diameter of transparent conveying pipeline 4 down and is set at L and D respectively.The 3rd, the push-pull valve in the gas control gate assembly 11 is opened, make the required powder of manufacturing flux-cored wire fall into transparent conveying pipeline 4 from powder bucket 12, the loose ratio of setting powder is that proportion is γ 1.When the powder height in the transparent conveying pipeline 4 reached the height of material level photoelectric sensor 5, optoelectronic switch issued a signal to programmable controller (PLC), and notice is closed gas control gate assembly 11 with push-pull valve, and PLC picks up counting simultaneously.Along with powder constantly is sent in the steel band 3, the height of powder reduces gradually in the transparent conveying pipeline 4, and when it was lower than the position of following material level photoelectric sensor 6, electric switch issued a signal to PLC, notice is opened gas control gate assembly 11 with push-pull valve, PLC stops timing simultaneously.Thereby obtaining powder is T the used time period when the height of last level detector 5 drops to the height of level detector 6.In addition, steel band fifth wheel 21 also record T in the time period because steel band 3 through steel band speed measuring devices 2, makes steel band fifth wheel 21 rotate, and setting the number of turns of rotating is n, the proportion γ 2 of steel band 3 is.So far, device is finished the one-shot measurement circulation, and PLC finishes once required data acquisition.Constantly repeat said process later on.
In a measurement period T, the powder in the powder bucket 12 enters into the weight that xsect rolls into " U " steel band of model 3 through belt powder feeding assembly 10 and is: W1=0.5D
2* π * L * γ 1; Simultaneously, steel band fifth wheel device 2 records steel band 3 and in the weight that T passed by in the time period is: W2=γ 2 * P * S * n.Computing formula according to filling rate Q:
Q＝[W1/(W1+W2)]×100％
Can calculate filling rate Q.Above-mentioned computation process is finished by being programmed in the PLC, by display, result of calculation is shown.
As selecting good fluidity, abundant dry flux-cored wire medicinal powder, its loose ratio is 2.15 gram per centimeters
3, select the good glass tube of light transmission as transparent conveying pipeline 4, the internal diameter of transparent conveying pipeline 4 is 3.4 centimetres, fixes two material level photoelectric sensors 5,6 on it, the distance of the two is 16 centimetres.Steel band 3 specifications that use are wide * thickly be: 14 * 0.9 millimeters, the pitch diameter of the steel band fifth wheel 21 of use is 19.6 centimetres, and girth is 61.575 centimetres.In the use, in measurement period T=35 second.Because the motion of steel band makes steel band fifth wheel 21 rotate the n=33 circle.Then: the weight W 1=0.5 of powder * 3.4
2* 3.14 * 16 * 2.15=312.17 gram
The weight W 2=1.4 of steel band * 0.09 * 19.6 * 3.14 * 33 * 7.85=2005.35 gram
Filling rate Q=[W1/ (W1+W2)] * 100%=[312.17/ (312.17+2005.35)] * 100%=13.47% detects through artificial sampling, and filling rate Q error is very little, can satisfy flux-cored wire filling rate Q fully and be 10-20% requirement.
By PLC or the ratio powder feeding sensor 24 that is arranged on the wheel shaft 27 that tests the speed set up both proportionate relationships, when the speed of wire drawing machine changed, belt powder feeding assembly 10 corresponding changes guaranteed that filling rate Q meets the demands.
Claims (6)
1. the filling rate on-line measurement control device of flux-cored wire forming machine, described flux-cored wire forming machine comprises powder bucket (12), belt powder feeding assembly (10) and steel band roll forming equipment, it is characterized in that: be provided with the powder flow measurement mechanism between powder bucket (12) and belt powder feeding assembly (10), steel band roll forming equipment is provided with steel band speed measuring device (2).
2. the filling rate on-line measurement control device of flux-cored wire forming machine according to claim 1, it is characterized in that: described powder flow measurement mechanism is by Air control valve assembly (11), transparent conveying pipeline (4), last material level photoelectric sensor (5) and following material level photoelectric sensor (6) are formed, Air control valve assembly (11) is installed in the exit of powder bucket (12), transparent conveying pipeline (4) is vertically mounted between Air control valve assembly (11) and the belt powder feeding assembly (10), last material level photoelectric sensor (5) is installed the upper end of transparent conveying pipeline (4), following material level photoelectric sensor (6) is installed in the lower end of transparent conveying pipeline (4), described steel band speed measuring device (2) is by steel band fifth wheel (21), wheel shaft (27) and tachometric survey sensor (25) composition tests the speed, the axle center of steel band fifth wheel (21) is fixed with the wheel shaft that tests the speed (27), the wheel shaft (27) that tests the speed is installed on the support (1) of steel band (3) below, and tachometric survey sensor (25) is installed on the wheel shaft that tests the speed (27).
3. the filling rate on-line measurement control device of flux-cored wire forming machine according to claim 2, it is characterized in that: the described signal wire of going up material level photoelectric sensor (5), following material level photoelectric sensor (6) and tachometric survey sensor (25) is connected with the signal input part of programmable controller or microprocessor respectively, and the signal output part of programmable controller or microprocessor is connected with the switch control end of Air control valve assembly (11).
4. the filling rate on-line measurement control device of flux-cored wire forming machine according to claim 3 is characterized in that: the signal output part of described programmable controller or microprocessor is connected with speed control unit on steel band roll forming equipment and/or the belt powder feeding assembly (10).
5. the filling rate on-line measurement control device of flux-cored wire forming machine according to claim 2, it is characterized in that: ratio powder feeding sensor (24) also is installed on the described wheel shaft that tests the speed (27), and the signal output part of ratio powder feeding sensor (24) is connected with the signal input part of programmable controller or microprocessor and the speed control unit on the belt powder feeding assembly (10) respectively.
6. the filling rate on-line measurement control device of flux-cored wire forming machine according to claim 2, it is characterized in that: described steel band speed measuring device (2) is installed in the forward (FWD) end of steel band roll forming equipment, the top of described steel band fifth wheel (21) has a pinch roller (23) to contact with the tread rolling of steel band fifth wheel (21), the wheel shaft of pinch roller (23) is provided with an extension spring (22), and the other end of extension spring (22) is fixed on the support (1) of pinch roller (23) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201913619U CN201266106Y (en) | 2008-10-09 | 2008-10-09 | Filling rate on-line measurement control device of flux-cored wire forming machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201913619U CN201266106Y (en) | 2008-10-09 | 2008-10-09 | Filling rate on-line measurement control device of flux-cored wire forming machine |
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| CN201266106Y true CN201266106Y (en) | 2009-07-01 |
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| CNU2008201913619U Expired - Lifetime CN201266106Y (en) | 2008-10-09 | 2008-10-09 | Filling rate on-line measurement control device of flux-cored wire forming machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537552B (en) * | 2009-04-16 | 2011-09-07 | 武汉铁锚焊接材料股份有限公司 | Online measurement and control method and device of filling ratio of flux-cored wire forming machine |
| CN102430878A (en) * | 2011-10-13 | 2012-05-02 | 天津市旭智机电设备开发有限公司 | Power adding machine |
| CN102601549A (en) * | 2011-01-20 | 2012-07-25 | 株式会社神户制钢所 | Apparatus, method and system for determining a filling ratio of flux, and computer readable storage medium for recording program of determining a filling ratio of flux |
| CN104698981A (en) * | 2015-03-29 | 2015-06-10 | 西安赛隆金属材料有限责任公司 | Rapid-forming automatic powder spreading quantity adjusting closed-loop control system and method |
| CN104729639A (en) * | 2015-03-29 | 2015-06-24 | 西安赛隆金属材料有限责任公司 | System and method for photoelectric detection of amount of laid powder for rapid forming |
-
2008
- 2008-10-09 CN CNU2008201913619U patent/CN201266106Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537552B (en) * | 2009-04-16 | 2011-09-07 | 武汉铁锚焊接材料股份有限公司 | Online measurement and control method and device of filling ratio of flux-cored wire forming machine |
| CN102601549A (en) * | 2011-01-20 | 2012-07-25 | 株式会社神户制钢所 | Apparatus, method and system for determining a filling ratio of flux, and computer readable storage medium for recording program of determining a filling ratio of flux |
| CN102601549B (en) * | 2011-01-20 | 2014-10-01 | 株式会社神户制钢所 | Apparatus, method and system for determining a filling ratio of flux |
| CN102430878A (en) * | 2011-10-13 | 2012-05-02 | 天津市旭智机电设备开发有限公司 | Power adding machine |
| CN104698981A (en) * | 2015-03-29 | 2015-06-10 | 西安赛隆金属材料有限责任公司 | Rapid-forming automatic powder spreading quantity adjusting closed-loop control system and method |
| CN104729639A (en) * | 2015-03-29 | 2015-06-24 | 西安赛隆金属材料有限责任公司 | System and method for photoelectric detection of amount of laid powder for rapid forming |
| CN104729639B (en) * | 2015-03-29 | 2017-03-29 | 西安赛隆金属材料有限责任公司 | Quick shaping powdering powder amount photo-electric detection method |
| CN104698981B (en) * | 2015-03-29 | 2017-06-20 | 西安赛隆金属材料有限责任公司 | Quick-forming powdering powder amount automatically adjusts closed loop control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090701 Effective date of abandoning: 20081009 |