CN110715813B - Welding machine life detection platform - Google Patents
Welding machine life detection platform Download PDFInfo
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- CN110715813B CN110715813B CN201910925419.0A CN201910925419A CN110715813B CN 110715813 B CN110715813 B CN 110715813B CN 201910925419 A CN201910925419 A CN 201910925419A CN 110715813 B CN110715813 B CN 110715813B
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- welding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The invention provides a welding machine service life detection platform, which comprises: simulating welding materials; the simulated welding rod is matched with the simulated welding material at intervals; the driving mechanism drives the simulation welding rod to intermittently contact and cooperate with the simulation welding material; the welding machine is provided with a positive electrode access end and a negative electrode access end, wherein the positive electrode access end is electrically connected with the simulation welding material, and the negative electrode access end is electrically connected with the simulation welding rod. Through the design of the simulation welding material and the simulation welding rod which are matched at intervals, the positive and negative electrode access ends of welding are respectively connected with the simulation welding material and the simulation welding rod, the intermittent contact matching design of the simulation welding rod and the simulation welding material is combined with the driving mechanism, the working state of continuous spot welding of the welding machine is fully simulated, the goodness of fit of the working state of the continuous spot welding of the welding machine and the normal working state of the welding machine can be up to 95-98 percent and is closest to the working state of the welding machine, so that the judgment result is close to the service life of the normal work of the welding machine, the structure is.
Description
Technical Field
The invention relates to service life detection of a welding machine, in particular to a service life detection platform of the welding machine.
Background
The welder is to utilize the high temperature electric arc generated by the instantaneous short circuit of the positive and negative poles to melt the solder and the welded material on the welding electrode, so as to combine the contacted objects.
During continuous spot welding of the welding machine, the welding rod and the welding material are in intermittent contact fit, the welding machine is in full dynamic change, namely energy such as voltage and current continuously changes, the traditional aging equipment is in a static mode, namely the welding material and the welding rod are in contact fit and electrified for a long time to detect performance, the aging of the static mode is detection of the service life of the welding machine, the goodness of fit of the welding machine with the working state of a normal welding machine is extremely low, particularly in the continuous spot welding process, and the service life difference between a test structure and the normal working time of the welding machine is large.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a welding machine service life detection platform, through the design of a simulation welding material and a simulation welding rod which are matched at intervals, the connecting ends of a positive electrode and a negative electrode which are welded are respectively connected with the simulation welding material and the simulation welding rod, and the design of intermittent contact matching of the simulation welding rod and the simulation welding material is combined with a driving mechanism to drive, so that the working state of continuous spot welding of a welding machine is fully simulated, the goodness of fit between the working state and the normal working state of welding can be up to 95-98%, and the working state is closest to the working state of the welding machine, therefore, the judgment result is close to the service life of the normal working.
In order to achieve the purpose, the invention provides the following technical scheme: welding machine life-span testing platform includes:
simulating welding materials;
the simulated welding rod is matched with the simulated welding material at intervals;
the driving mechanism drives the simulation welding rod to intermittently contact and cooperate with the simulation welding material;
the welding machine is provided with a positive electrode access end and a negative electrode access end, wherein the positive electrode access end is electrically connected with the simulation welding material, and the negative electrode access end is electrically connected with the simulation welding rod.
On the basis of above-mentioned scheme, as preferred, still include normally closed switch, current detection module, normally closed switch one end electric connection simulation welding material, other end electric connection positive pole incoming end, current detection module one end electric connection simulation welding rod, other end electric connection negative pole incoming end, current detection module with normally closed switch between electric connection, current detection module transmission signal of telecommunication to normally closed switch is in order to control normally closed switch's intermittent type nature disconnection.
On the basis of the scheme, the device preferably further comprises a voltmeter used for measuring the voltage of the simulated welding rod and the simulated welding material when the simulated welding rod and the simulated welding material are in intermittent contact fit, and a counter connected in parallel with the voltmeter.
In addition to the above, preferably, the current measuring device further includes an ammeter for displaying the current value detected by the current detecting module.
On the basis of the scheme, the simulation welding material and the simulation welding rod are preferably copper bars.
On the basis of the scheme, as preferred, actuating mechanism includes the workstation, fixedly connected with linear guide on the workstation, the last swing joint of linear guide has the slider, slider upper portion fixedly connected with division board, division board one side fixedly connected with weldment fixing device, opposite side pass through link mechanism eccentric connection in the rotation wheel, rotation wheel fixed connection is in driving motor output shaft, driving motor fixed connection is on the workstation, and the simulation welding rod is fixed weldment fixing device on.
In addition to the above, preferably, the insulation board is a phenolic resin board. The provision of the phenolic resin plate ensures that the welding position is only performed at the end of the weldment.
On the basis of the scheme, preferably, the weldment fixing device comprises a fixing plate vertically fixed on the isolation plate, a guide pipe is fixedly arranged on the fixing plate in a penetrating mode, and a limiting bolt is connected to the outer wall of the guide pipe in a threaded mode. By arranging the fixing plate, the weldment passes through the guide pipe and then is fixed by the limiting bolt, the installation position of the weldment can be adjusted according to the use requirement,
on the basis of the scheme, as preferred, link mechanism includes connecting block, connecting rod A and connecting rod B, connecting block fixed connection is in division board one side, connecting rod A cross-under connects behind the stopper one end fixed connection on the connecting block, and the other end passes through the rotating pin to be connected with connecting rod B one end rotation, the connecting rod B other end passes through the rotating pin and rotates eccentric connection on the rotation wheel, stopper fixed connection in on the workstation. The motion amplitude of the weldment is controlled through the connecting rod mechanism, and the stability of the test is guaranteed.
Compared with the prior art, the invention has the beneficial effects that:
1. the design rationality of welding the whole circuit can be detected, and the design defect is avoided.
2. And detecting whether the welding installation process is in place.
3. The life of the electronic material is detected.
4. The counter counts and analyzes the service life, and is more visual.
5. The melting point of the copper bar is closest to the welding state of the welding rod, and the simulation is more fit for normal welding.
6. The time delay switch improves the service life of the copper bar.
Drawings
FIG. 1 is a system block diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the platform for detecting the life of the welding machine includes:
simulating a welding material 2;
the simulated welding rod 1 is matched with the simulated welding material at intervals;
the driving mechanism drives the simulation welding rod to intermittently contact and cooperate with the simulation welding material;
the welding machine is provided with a positive electrode access end and a negative electrode access end, wherein the positive electrode access end is electrically connected with the simulation welding material, and the negative electrode access end is electrically connected with the simulation welding rod.
In the scheme, through the design of the simulation welding material and the simulation welding rod which are matched at intervals, the welding positive electrode access end and the welding negative electrode access end are respectively connected with the simulation welding material and the simulation welding rod, the intermittent contact matching design of the simulation welding rod and the simulation welding material is combined with the driving mechanism, the working state of continuous spot welding of the welding machine is fully simulated, the goodness of fit between the working state and the normal welding state can reach 95-98%, the working state is closest to the working state of the welding machine, and therefore the judgment result is close to the service life of the normal working of the welding machine.
In the above scheme, because the whole circuit is in the power-on state when the simulated welding rod and the simulated welding material are contacted, and because the simulated welding rod is separated from the simulated welding material at gradually-changing large intervals under the driving of the driving mechanism, the arc discharge phenomenon exists, the simulated welding material and the simulated welding rod are melted, the service life is reduced, in order to overcome the problem, the following design is made,
on the basis of above-mentioned scheme, increase normally closed switch, current detection module, normally closed switch one end electric connection simulation welding material, other end electric connection positive pole incoming end, current detection module one end electric connection simulation welding rod, other end electric connection negative pole incoming end, current detection module with normally closed switch between electric connection, current detection module transmission signal of telecommunication to normally closed switch is in order to control normally closed switch's intermittent type nature disconnection.
In this scheme, through the cooperation design of normally closed switch and current detection module, when the simulation material of welding contacts with the simulation welding rod, produce the heavy current signal, current detection module turns into voltage signal transmission to normally closed switch with this heavy current signal, and the disconnection after this signal was received to normally closed switch for the simulation welding rod is under the actuating mechanism drive, between simulation welding rod and the simulation material of welding: in the scheme, on one hand, spark is not generated when the simulated welding rod is separated from the simulated welding rod, and arc discharge does not occur, on the other hand, the service lives of the simulated welding rod and the simulated welding rod are prolonged, the service lives of the normally closed switch and the current detection module are also prolonged, and the safety is indirectly improved.
More effectively, set up delay switch between normally closed switch and current detection module, it is specific, current detection module electric connection delay switch, delay switch electric connection normally closed switch, it is long when can rationally design the disconnection of normally closed switch according to the concrete demand of waiting to detect the welded, it is guaranteed not to produce the arc of drawing, because the distance that separates between simulation welding material and the simulation welding rod is not long enough that normally closed switch is closed, then still probably there is the arc of drawing phenomenon, simultaneously, it can improve the no current time of simulation welding material and simulation welding rod, increase its cooling time, improve life.
In order to observe the detection effect of the scheme more visually, the device further comprises a voltmeter used for measuring the voltage of the simulated welding rod and the simulated welding material when the simulated welding rod and the simulated welding material are in intermittent contact fit, and a counter connected in parallel with the voltmeter, wherein the counting result of the counter is increased by 1 every time the voltmeter changes, the number of times of contact fit of the simulated welding material and the simulated welding rod can be specifically displayed through the counter, and the number of times is displayed in real time.
The ammeter is used for displaying the current value detected by the current detection module, and can be used for specifically observing the current condition and displaying in real time.
The simulation welding material and the simulation welding rod are copper bars, and the copper bars are long in service life and not easy to damage.
To actuating mechanism, more specifically say, as shown in fig. 2-3, electric welding life-span detection device's reciprocating drive mechanism, including workstation 10, bolt fixedly connected with linear guide 11 on the workstation 10, swing joint has the slider on the linear guide 11, slider upper portion bolt fixedly connected with division board 13, division board 13 one side bolt fixedly connected with weldment fixing device 20, opposite side pass through link mechanism 30 eccentric connection in the rotation wheel 14, rotation wheel 14 fixed connection is in driving motor 15 output shaft, driving motor 15 bolted connection fixed connection is on workstation 10. The isolation plate 13 is made of phenolic resin. Weldment fixing device 20 includes the fixed plate 21 of vertical being fixed in on division board 13 through the bolt, wear to establish welded fastening on the fixed plate 21 and be equipped with pipe 211, threaded connection has spacing bolt on the pipe 211 outer wall. Link mechanism 30 includes connecting block 31, connecting rod A32 and connecting rod B33, connecting block 31 bolt fixed connection is in division board 13 one side, connecting rod A32 cross-under connects behind stopper 34 one end welded fastening in connecting block 31, and the other end passes through the rotating pin to be connected with connecting rod B33 one end rotation, the connecting rod B33 other end rotates eccentric connection through the rotating pin on rotating wheel 14, stopper 34 bolt fixed connection in on the workstation 10.
During the use, pass pipe 211 with the weldment after using spacing bolt fixed, rotate through control driving motor to the weldment reciprocating towards another weldment motion of fixed side, simulation welding action.
In the technical scheme of the invention, the normally closed switch can be a high-current direct-current electronic switch, particularly a 500A high-current direct-current electronic switch, which is the existing high-current type only having 200A and 500A.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. Welding machine life-span testing platform, its characterized in that includes:
simulating welding materials;
the simulated welding rod is matched with the simulated welding material at intervals;
the driving mechanism drives the simulation welding rod to intermittently contact and cooperate with the simulation welding material;
the welding machine is provided with a positive electrode access end and a negative electrode access end, the positive electrode access end is electrically connected with the simulated welding material, the negative electrode access end is electrically connected with the simulated welding rod,
still include normally closed switch, current detection module, normally closed switch one end electric connection simulation welding material, other end electric connection positive pole incoming end, current detection module one end electric connection simulation welding rod, other end electric connection negative pole incoming end, current detection module with normally closed switch between electric connection, current detection module transmission signal of telecommunication to normally closed switch is in order to control normally closed switch's intermittent type nature disconnection.
2. The welding machine life detection platform of claim 1, wherein the current detection module is electrically connected to a delay switch, and the delay switch is electrically connected to the normally closed switch.
3. The welder life testing platform of claim 1, further comprising a voltmeter for measuring a voltage of the simulated welding electrode in intermittent contact engagement with the simulated welding material and a counter disposed in parallel with the voltmeter.
4. The welder life detection platform of claim 1, further comprising an ammeter for displaying the current value detected by the current detection module.
5. The welder life detection platform as defined in claim 1, wherein the simulated welding material and the simulated welding rod are copper bars.
6. The welding machine service life detection platform as recited in claim 1, characterized in that the driving mechanism comprises a workbench (10), a linear guide rail (11) is fixedly connected to the workbench (10), a sliding block is movably connected to the linear guide rail (11), a partition plate (13) is fixedly connected to the upper portion of the sliding block, a welding part fixing device (20) is fixedly connected to one side of the partition plate (13), the other side of the partition plate is eccentrically connected to the rotating wheel (14) through a link mechanism (30), the rotating wheel (14) is fixedly connected to an output shaft of a driving motor (15), the driving motor (15) is fixedly connected to the workbench (10), and the simulated welding rod is fixed to the welding part fixing device.
7. The welder life detection platform of claim 6, characterized in that: the isolation plate (13) is a phenolic resin plate.
8. The welder life detection platform of claim 6, characterized in that: weldment fixing device (20) are including vertical fixed plate (21) that are fixed in on division board (13), wear to establish on fixed plate (21) and be fixed with pipe (211), threaded connection has spacing bolt on pipe (211) outer wall.
9. The welder life detection platform of claim 6, characterized in that: link mechanism (30) include connecting block (31), connecting rod A (32) and connecting rod B (33), connecting block (31) fixed connection is in division board (13) one side, connecting rod A (32) cross-under is in stopper (34) back one end fixed connection on connecting block (31), and the other end passes through the rotating pin to be connected with connecting rod B (33) one end rotation, the connecting rod B (33) other end passes through the rotating pin and rotates eccentric connection on rotating wheel (14), stopper (34) fixed connection in on workstation (10).
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| CN201910925419.0A CN110715813B (en) | 2019-09-27 | 2019-09-27 | Welding machine life detection platform |
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| CN201910925419.0A CN110715813B (en) | 2019-09-27 | 2019-09-27 | Welding machine life detection platform |
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| CN110715813A CN110715813A (en) | 2020-01-21 |
| CN110715813B true CN110715813B (en) | 2020-08-25 |
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| WO2021102809A1 (en) * | 2019-11-28 | 2021-06-03 | 狄原震 | Platform for detecting service life welding machine |
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