CN204287221U - A kind of gas metal-arc welding wire feed rate measurement mechanism - Google Patents
A kind of gas metal-arc welding wire feed rate measurement mechanism Download PDFInfo
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- CN204287221U CN204287221U CN201420744004.6U CN201420744004U CN204287221U CN 204287221 U CN204287221 U CN 204287221U CN 201420744004 U CN201420744004 U CN 201420744004U CN 204287221 U CN204287221 U CN 204287221U
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Abstract
The utility model belongs to welding technology field, relate to a kind of gas metal-arc welding wire feed rate measurement mechanism, its measurement mechanism comprises mechanical measurement head and circuit structure, described circuit structure comprises signal processing circuit, display circuit, telecommunication circuit, power circuit and scrambler, described scrambler by Signal transmissions to signal processing circuit, signal is outputted to telecommunication circuit and display circuit by signal processing circuit respectively, power circuit provides supply voltage for each several part, described mechanical measurement head is connected with signal processing circuit by flexible circuit conductor with between circuit structure, the utility model device overcomes the wire feed rate caused because welding wire skids and measures inaccurate shortcoming, have easy to install, measuring accuracy is high, the advantages such as applied range.
Description
Technical field
The utility model belongs to welding technology field, is specifically related to a kind of gas metal-arc welding wire feed rate measurement mechanism.
Background technology
In gas metal-arc welding, push-wire-type wire feeder structure is a kind of most widely used wire-feed motor, and its structure is simple, is suitable for operation.Usual welding wire just will can enter welding gun through wire-feeding pipe, and in construction, at the scene, welding wire is subject to larger resistance to the frequent helical disk of wire convey soft pipe in flexible pipe, and welding wire will press to wire feed rolls through pressure roller by pressurized handgrip.Because pressurized handgrip regulates improper, the quality of welding wire and the defect of wire-feeding control circuit very easily to cause the instability of welding wire feeding speed.And the stability of wire feed rate has a great impact welding process analysis and welding quality.
For improving feeding stability, wire feed rate feedback assembly must be adopted to measure actual wire feed rate in real time.Common solution is adopt rotating torque is large and armature inertia is little direct current generator as wire feeding motor mostly, and adopt velocity feedback compensating circuit in Electric Machine Control drive system, improve motor drive characteristic, various interference in suppression system, reduce owing to disturbing the deviation produced.Speed feedback uses Dyn. or photoelectric encoder indirectly to reflect feed rate of welding wire to measure the rotating speed of wire feeding motor usually.Also have and measure the rotating speed of motor by measurement armature voltage and armature supply as feedback.
Above scheme is all the feed rates directly measured motor speed and indirectly reflect welding wire, its common defect be not do not consider due to thread pressing wheel pressure not, friction force that wire feed rolls or welding wire have the situations such as greasy dirt to cause is not enough and the welding wire skidding that produces.When skidding appears in welding wire, the rotating speed of motor just can not reflect the feed rate of welding wire reality.
Utility model content
The utility model is solve existing problem in the art; a kind of gas metal-arc welding wire feed rate measurement mechanism is provided; which overcome the wire feed rate that causes because welding wire skids and measure inaccurate shortcoming, there is the advantages such as easy to install, measuring accuracy is high, applied range.
The utility model is achieved by the following technical solutions:
A kind of gas metal-arc welding wire feed rate measurement mechanism; comprise mechanical measurement head and circuit structure; described circuit structure comprises signal processing circuit, display circuit, telecommunication circuit, power circuit and scrambler; described scrambler by Signal transmissions to signal processing circuit; signal is outputted to telecommunication circuit and display circuit by signal processing circuit respectively, and power circuit provides supply voltage for each several part.
Described mechanical measurement head is connected with signal processing circuit by flexible circuit conductor with between circuit structure.
Described mechanical measurement head comprises wire-feed motor interface agency, welding gun interface agency, supporting mechanism, code device; Be fixed on supporting mechanism between described wire-feed motor interface agency, welding gun interface agency, code device is fixed on the scrambler support that is located on supporting mechanism.
Described wire-feed motor interface agency comprises wire-feeding pipe nut, wire-feeding pipe, clamp nut, gas-tpe fitting, arc welding gun switch joint, wire-feed motor interface.Described welding gun interface agency comprises welding gun interface and wire leading pipe.
Described supporting mechanism comprises frame support rails, holding nut, scrambler support, the first nut, pad, screw, screw, the second nut; Described support be sheet metal curve inverted U-shaped, bottom is opening, lower left quarter, the right lower quadrant of support have circular hole, wire-feed motor interface through the circular hole in left side and the second nut affixed, welding gun interface connects with wire leading pipe (also can be spirally connected) through right side circular hole, and the axis of wire-feeding pipe and wire leading pipe is on same straight line; Downward 1/4 to the 1/3 high left and right middle position from top of described support is provided with the support bar paralleled to the axis, and support bar holding nut is fixed on support; The upper left part perforate of support, and with the first nut, pad, screw regular coding device support, the shape of described scrambler support is the inverted L-shaped that sheet metal curves, the vertical wall of L shape is positioned at outside, the horizontal component of L shape is positioned at top, the vertical wall bottom of the L shape of scrambler support is screwed scrambler, and the axle of described scrambler is equipped with sleeve pipe, and sleeve pipe is positioned at the top of the axis of wire-feeding pipe and wire leading pipe and tangent with axis.
The left end of described wireway is connected to wire-feed motor interface, and the right-hand member of wireway is connected to welding gun interface, and arc welding gun switch line trap, arc welding gun switch wire socket connect welding gun plug on wire-feed motor interface and welding gun interface and socket respectively.
Described wire-feeding pipe, wire leading pipe are hollow tubulars, and sleeve pipe is axially middle circumferentially has a groove, and its degree of depth is 0.5mm, and width is 1.5mm, and bottom portion of groove tangent line and wire-feeding pipe, wire leading pipe central axis are on same straight line.
Preferably, described sleeve pipe is enclosed within the axle of scrambler by interference fit.
Preferably, the core of described signal processing circuit adopts ATMEL89S52 single-chip microcomputer, and the core of telecommunication circuit adopts RS232 private communication chip MAX3232, and display circuit adopts three Digital sum tube displays.
The utility model compared with prior art has following significant advantage:
1) easy to install and use;
2) resistance of measuring head is little, makes measurement result more accurate;
3) measurement data can deliver to external device processes by standard communication protocol, extends its range of application.
4) overcome the wire feed rate caused because welding wire skids and measure inaccurate shortcoming.
Accompanying drawing explanation
Fig. 1 is the mechanical measurement header structure schematic diagram of the utility model device;
Fig. 2 is the circuit structure block diagram of the utility model device;
Each part description in figure:
1, wire-feeding pipe nut; 2, wire-feeding pipe; 3, clamp nut; 4, carrying bolt; 5, holding nut; 6, the first nut; 7, pad; 8, screw; 9, scrambler support; 10, screw; 11, support; 12, scrambler; 13, welding gun interface; 14, wireway; 15, wire leading pipe; 16, arc welding gun switch line trap; 17, arc welding gun switch wire socket; 18, sleeve pipe; 19, the second nut; 20, wire-feed motor interface; 21, arc welding gun switch joint; 22, gas-tpe fitting.
Embodiment
With reference to the accompanying drawings the utility model embodiment is described in detail.
See Fig. 1 to Fig. 2.
A kind of gas metal-arc welding wire feed rate of the utility model measurement mechanism, comprise mechanical measurement head and circuit structure, described circuit structure comprises signal processing circuit, display circuit, telecommunication circuit, power circuit and scrambler, described scrambler by Signal transmissions to signal processing circuit, signal is outputted to telecommunication circuit and display circuit by signal processing circuit respectively, and power circuit provides supply voltage for each several part; Described mechanical measurement head is connected with signal processing circuit by flexible circuit conductor with between circuit structure; Described mechanical measurement head comprises wire-feed motor interface agency, welding gun interface agency, supporting mechanism, code device.
Be fixed on supporting mechanism between described wire-feed motor interface agency, welding gun interface agency, code device is fixed on the scrambler support 9 that is located on supporting mechanism.
Described wire-feed motor interface agency comprises wire-feeding pipe nut 1, wire-feeding pipe 2, clamp nut 3, gas-tpe fitting 22, arc welding gun switch joint 21, wire-feed motor interface 20.
Described welding gun interface agency comprises welding gun interface 13 and wire leading pipe 15.
Described supporting mechanism comprises support 11 support bar 4, holding nut 5, scrambler support 9, first nut 6, pad 7, screw 8, screw 10, second nut 19; Described support 11 for sheet metal curve inverted U-shaped, bottom is opening, lower left quarter, the right lower quadrant of support 11 have circular hole, wire-feed motor interface 20 through the circular hole in left side and the second nut 19 affixed, welding gun interface 13 connects with wire leading pipe 15 (also can be spirally connected) through right side circular hole, and the axis of wire-feeding pipe 2 and wire leading pipe 15 is on same straight line.
Downward 1/4 to the 1/3 high left and right middle position from top of described support 11 is provided with the support bar 4 paralleled to the axis, and support bar 4 holding nut 5 is fixed on support 11.The upper left part perforate of support 11, and with the first nut 6, pad 7, screw 8 regular coding device support 9, the shape of described scrambler support 9 is the inverted L-shaped that sheet metal curves, the vertical wall of L shape is positioned at outside, the horizontal component of L shape is positioned at top, the vertical wall bottom screw 10 regular coding device 12 of the L shape of scrambler support 9, the axle of described scrambler 12 is equipped with sleeve pipe 18, and sleeve pipe 18 is positioned at the top of the axis of wire-feeding pipe 2 and wire leading pipe 15 and tangent with axis.
The left end of described wireway 14 is connected to wire-feed motor interface 20, and the right-hand member of wireway 14 is connected to welding gun interface 13, and arc welding gun switch line trap 16, arc welding gun switch wire socket 17 connect welding gun plug on wire-feed motor interface 20 and welding gun interface 13 and socket respectively.
Described wire-feeding pipe 2, wire leading pipe 15 are hollow tubulars, and sleeve pipe 18 is axially middle circumferentially has a groove, and its degree of depth is 0.5mm, and width is 1.5mm, and bottom portion of groove tangent line and wire-feeding pipe 2, wire leading pipe 15 central axis are on same straight line.
Described sleeve pipe 18 is enclosed within the axle of scrambler 12 by interference fit.
Preferably, the core of described signal processing circuit adopts ATMEL89S52 single-chip microcomputer, and the core of telecommunication circuit adopts RS232 private communication chip MAX3232, and display circuit adopts three Digital sum tube displays.
Wire-feed motor interface 20, welding gun interface 13 adopt comparatively general European MIG/MAG welding gun interface and plug at present respectively, for connecting wire-feed motor and welding gun; The material of support 11 is brass, has and supports total effect, electric current can be made to be transmitted to welding gun by wire-feed motor simultaneously, and the effect of carrying bolt 4 and holding nut 5 is the rigidity and the stability that increase support 11; The effect of arc welding gun switch line trap 16, arc welding gun switch wire socket 17 is the dismounting being convenient to structure; The effect of wireway 14 is the gas circuits being communicated with wire-feed motor and welding gun.
The course of work of the utility model device:
Wire-feed motor interface 20 is connected on the welding gun interface of wire-feed motor, and screw clamp nut 3, welding gun is connected on welding gun interface 13, and screw clamp nut on welding gun, welding wire is passed the wire leading pipe 15 of wire-feed motor interface 20 two joints and welding gun interface 13, make welding wire be pressed in the interior also reliable contacts of groove of sleeve pipe 18, opening power, power circuit provides 12V voltage, for signal processing circuit, display circuit, telecommunication circuit provide voltage for scrambler; Single-chip microcomputer in signal processing circuit carries out system initialization: inner for single-chip microcomputer related register and pin are set to original state; Timer initialization: mainly load timer initial value, for determining timing t; Counter initialization: emptied by the related register of counter, prepares to start counting; After welding process starts, sleeve pipe 18 rotates under the drive of welding wire, thus drive the axle of scrambler 12 to rotate, now scrambler 12 can export a series of electric impulse signal, these pulse signals are by the counter of wire transmission to single-chip microcomputer, counter module in single-chip microcomputer starts paired pulses number and counts, and starts timer module simultaneously and starts the timing t time; Timing terminates rear program and reads pulse number n in this period, measures sleeve pipe 18 groove diameter D, and the scrambler umber of pulse exported that often turns around is m, can calculate wire feed rate v by following formula,
Wire feed rate v is converted to corresponding number by program, delivers to single-chip microcomputer P0 port, controls the numerical value of three Digital sum pipe display v in display circuit, i.e. wire feed rate; Wire feed rate v is converted to normal data frame according to MODBUS serial communication protocol by program, deliver in the serial ports transmitter register of single-chip microcomputer, again by the pin T1IN being sent to the MAX32332 in telecommunication circuit of single-chip microcomputer, external unit (as computing machine, oscillograph etc.) is given again by the T1OUT human hair combing waste of MAX32332.Above process terminates rear timer timing t again, and counter O reset starts the calculating of wire feed rate next time, display and transmission, and the circulation of this process is carried out, until power-off.
Claims (3)
1. a gas metal-arc welding wire feed rate measurement mechanism, it is characterized in that comprising mechanical measurement head and circuit structure, described circuit structure comprises signal processing circuit, display circuit, telecommunication circuit, power circuit and scrambler, described scrambler by Signal transmissions to signal processing circuit, signal is outputted to telecommunication circuit and display circuit by signal processing circuit respectively, and power circuit provides supply voltage for each several part;
Described mechanical measurement head is connected with signal processing circuit by flexible circuit conductor with between circuit structure;
Described mechanical measurement head comprises wire-feed motor interface agency, welding gun interface agency, supporting mechanism, code device; Be fixed on supporting mechanism between described wire-feed motor interface agency, welding gun interface agency, code device is fixed on the scrambler support (9) that is located on supporting mechanism;
Described wire-feed motor interface agency comprises wire-feeding pipe nut (1), wire-feeding pipe (2), clamp nut (3), gas-tpe fitting (22), arc welding gun switch joint (21), wire-feed motor interface (20);
Described welding gun interface agency comprises welding gun interface (13) and wire leading pipe (15);
Described supporting mechanism comprises support (11) support bar (4), holding nut (5), scrambler support (9), the first nut (6), pad (7), screw (8), screw (10), the second nut (19), described support (11) for sheet metal curve inverted U-shaped, bottom is opening, lower left quarter, the right lower quadrant of support (11) have circular hole, wire-feed motor interface (20) through the circular hole in left side and the second nut (19) affixed, welding gun interface (13) connects with wire leading pipe (15) through right side circular hole, and the axis of wire-feeding pipe (2) and wire leading pipe (15) is on same straight line, downward 1/4 to the 1/3 high left and right middle position from top of described support (11) is provided with the support bar (4) paralleled to the axis, and support bar (4) holding nut (5) is fixed on support (11), the upper left part perforate of support (11), and with the first nut (6), pad (7), screw (8) regular coding device support (9), the shape of described scrambler support (9) is the inverted L-shaped that sheet metal curves, the vertical wall of L shape is positioned at outside, the horizontal component of L shape is positioned at top, vertical wall bottom screw (10) regular coding device (12) of the L shape of scrambler support (9), sleeve pipe (18) axle of described scrambler (12) is equipped with, sleeve pipe (18) is positioned at the top of the axis of wire-feeding pipe (2) and wire leading pipe (15) and tangent with axis,
The left end of described wireway (14) is connected to wire-feed motor interface (20), the right-hand member of wireway (14) is connected to welding gun interface (13), and arc welding gun switch line trap (16), arc welding gun switch wire socket (17) connect welding gun plug on wire-feed motor interface (20) and welding gun interface (13) and socket respectively;
Described wire-feeding pipe (2), wire leading pipe (15) are hollow tubulars, sleeve pipe (18) is axially middle circumferentially has a groove, its degree of depth is 0.5mm, width is 1.5mm, and bottom portion of groove tangent line and wire-feeding pipe (2), wire leading pipe (15) central axis are on same straight line.
2. gas metal-arc welding wire feed rate measurement mechanism as claimed in claim 1, is characterized in that,
Described sleeve pipe (18) is enclosed within the axle of scrambler (12) by interference fit.
3. gas metal-arc welding wire feed rate measurement mechanism as claimed in claim 1, is characterized in that,
The core of described signal processing circuit adopts ATMEL89S52 single-chip microcomputer, and the core of telecommunication circuit adopts RS232 private communication chip MAX3232, and display circuit adopts three Digital sum tube displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744004.6U CN204287221U (en) | 2014-12-01 | 2014-12-01 | A kind of gas metal-arc welding wire feed rate measurement mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744004.6U CN204287221U (en) | 2014-12-01 | 2014-12-01 | A kind of gas metal-arc welding wire feed rate measurement mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204287221U true CN204287221U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420744004.6U Expired - Fee Related CN204287221U (en) | 2014-12-01 | 2014-12-01 | A kind of gas metal-arc welding wire feed rate measurement mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459188A (en) * | 2014-12-01 | 2015-03-25 | 河北科技大学 | Gas metal arc welding wire feeding speed measuring device and measurement method thereof |
| CN112719509A (en) * | 2020-12-23 | 2021-04-30 | 珠海格力智能装备有限公司 | Welding wire feeding system |
-
2014
- 2014-12-01 CN CN201420744004.6U patent/CN204287221U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459188A (en) * | 2014-12-01 | 2015-03-25 | 河北科技大学 | Gas metal arc welding wire feeding speed measuring device and measurement method thereof |
| CN104459188B (en) * | 2014-12-01 | 2017-07-07 | 河北科技大学 | A kind of gas metal-arc welding wire feed rate measurement apparatus and its measuring method |
| CN112719509A (en) * | 2020-12-23 | 2021-04-30 | 珠海格力智能装备有限公司 | Welding wire feeding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |