CN115560911B - Balance testing device and method for automatic welding machine - Google Patents
Balance testing device and method for automatic welding machine Download PDFInfo
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- CN115560911B CN115560911B CN202211417482.1A CN202211417482A CN115560911B CN 115560911 B CN115560911 B CN 115560911B CN 202211417482 A CN202211417482 A CN 202211417482A CN 115560911 B CN115560911 B CN 115560911B
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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
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
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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
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
Abstract
The invention belongs to the technical field of welding machine testing devices, and particularly relates to an automatic welding machine balance testing device and a testing method. Before the welding, adjust the layer board position earlier, the bottom that makes through-hole on the layer board and welding machine is located the coplanar, adjust adjusting device after that, make it upwards stretch out from the through-hole, will be used for two panels of test to arrange two closing device's bottom respectively in after that, promote two panels respectively afterwards, make its direction motion to adjusting device and with adjusting device crowded tight together, make adjusting device resume the normal position after that, can leave even welding seam between two panels this moment, thereby avoid because of the inhomogeneous butt welder equilibrium who leads to of welding seam error when appraising.
Description
Technical Field
The invention belongs to the technical field of welding machine testing devices, and particularly relates to an automatic welding machine balance testing device and a testing method.
Background
The welding machine is an electric appliance which provides a power supply with certain characteristics for welding, and the welding machine is widely applied to various industrial fields such as aerospace, ships, automobiles, containers and the like due to the advantages of flexibility, simplicity, convenience, firmness and reliability and even equal strength with a base metal after welding. The automatic welding machine is based on motor control technology, single chip microcomputer control technology, PLC control technology, numerical control technology and the like.
In order to ensure the welding quality of the automatic welding machine, the automatic welding machine needs to be maintained and adjusted after being used for a period of time, so that the welding balance of the automatic welding machine is ensured. Existing ways of testing the balance of automatic welders are mainly assessed by actual welding. During welding, the welding quality is affected by the size of the welding seam between the plates, and during welding different plates, the size of the welding seam between the plates is different, but due to the lack of a proper fixing device, during welding, the size of the welding seam needs to be adjusted manually, and an unstable factor exists in the manual adjustment of the size of the welding seam, so that the size of the welding seam is easy to be different due to different experiences of welding personnel, the welding quality is different, and further, the deviation exists during evaluation of the stability of the butt welding machine.
Therefore, it is necessary to provide a balance testing apparatus and a testing method for an automatic welding machine to solve the above problems.
Disclosure of Invention
In view of the above problems, the present invention provides a balance testing device for an automatic welding machine, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: automatic welding machine balance testing arrangement, the on-line screen storage device comprises a base, the base top is equipped with the backup pad, the bottom parallel arrangement of backup pad has two slide bars, the front and back end of slide bar all is through a fixed block and backup pad top fixed connection, slide on the slide bar and cup jointed two sliders, the slider links together bottom the backup pad, the top of backup pad is equipped with the layer board, the through-hole of having seted up the bar is run through to the top intermediate position of layer board, be equipped with the adjusting device of control welding seam size in the through-hole, the top position of through-hole both sides all is provided with the closing device of fixed panel, two first arc strips of bottom bilateral position symmetry fixedly connected with of layer board, two the periphery of first arc strip all rotates and is connected with the second arc strip, second arc strip and backup pad top fixed connection, and the centre of a circle homogeneous phase of two second arc strips and two first arc strips.
Further, adjusting device includes the picture peg of bar, the cross-section of picture peg is pagoda shape, the equal fixedly connected with stopper in both sides of picture peg, the stopper corresponds the position the spacing groove has been seted up on the through-hole inner wall, and the stopper slides and pegs graft in the spacing groove, the inclined plane hole has all been seted up to the front and back side of picture peg, the bottom in inclined plane hole and the bottom intercommunication of picture peg, and two run through between the inclined plane hole and seted up the connecting hole, the downthehole slip of inclined plane is pegged graft and is had trapezoidal kicking block, the inclined plane of kicking block is relative with the inclined plane in inclined plane groove, and the height of two kicking blocks is uprising gradually to the direction of keeping away from each other, two run through to peg graft along the fore-and-aft direction screw between the kicking block and have first regulation pole, and the screw thread of first regulation pole and two kicking block relative positions is opposite design.
Further, closing device includes the clamp plate, two telescopic links of the perpendicular fixedly connected with in top of clamp plate, two the telescopic link is front and back distribution, and has cup jointed first spring on the telescopic link, the top fixedly connected with L shaped plate of telescopic link, the bottom and the layer board top fixed connection of L shaped plate.
Further, the both sides of backup pad all parallel arrangement have the slat, slat slidable mounting is at the top of base, the top fixedly connected with wavy deflector of slat, and the protruding direction of all crests of two deflectors is the same, two equal threaded connection has the second to adjust the pole between the front and back side of slat, and the second adjusts the screw thread of pole and two relative parts of slat and be reverse design, two be connected with the belt between one end wherein of second regulation pole, two one side that the deflector is relative all is provided with the leading wheel, and the leading wheel is relative with the deflector, the top and the bottom of leading wheel all rotate and are connected with the connecting plate, the perpendicular fixed connection in side of connecting plate and backup pad, the slider corresponds the position the backup pad bottom has seted up the spout of bar along the both sides direction, and slider slidable mounting has run through the dead lever in the spout along the both sides direction, the both ends of dead lever respectively with the both sides fixed connection of spout, and the part that the dead lever is located the slider both sides has all cup jointed the second spring.
Furthermore, one side, away from each other, of each of the two pressing plates inclines upwards, a groove is formed in the bottom of the portion, parallel to the supporting plate, of each of the pressing plates, a plurality of rollers are connected between groove walls on two sides of the groove in a parallel rotating mode, and the bottoms of the rollers are lower than the bottoms of the pressing plates.
Furthermore, the bottom of the supporting plate is vertically and fixedly connected with two positioning rods, the top of the supporting plate, which corresponds to the positioning rods, is provided with an arc-shaped positioning groove, the circle center of the positioning groove is coincided with the center of the supporting plate, and the length of the positioning groove is one fourth of the circumference of the positioning groove.
Furthermore, a first magnetic block is mounted on the bottom groove wall of one end, close to the positioning groove, of the positioning groove, two first magnetic blocks in the two positioning grooves are rotationally symmetrical about the circle center of the positioning groove, a second magnetic block is fixedly connected to the bottom of the positioning rod, and the magnetic poles of the opposite sides of the first magnetic block and the second magnetic block are opposite.
Furthermore, the connecting plate is located in the middle of the side face of the supporting plate, and the length of the connecting plate is larger than the height of the wave crest of the guide plate.
The invention also provides a test method using any one of the automatic welding machine balance test devices, which comprises the following steps;
the method comprises the following steps: adjusting the position of the supporting plate to enable the through hole in the supporting plate and the bottom of the welding machine to be located in the same plane;
step two: placing two plates for testing on the top of the supporting plate, and fixing the two plates by two pressing devices respectively;
step three: the inserting plate is adjusted to a proper height through the first adjusting rod;
step four: pushing the two plates to be respectively attached to the two sides of the inserting plate, and then restoring the inserting plate to the original position through the first adjusting rod again;
step four: and pushing the support plate to enable the plate to stably pass through the bottom of the automatic welding machine under the driving of the support plate and complete the welding test.
The invention has the technical effects and advantages that:
1. before welding, firstly adjusting the position of a supporting plate to enable a through hole in the supporting plate and the bottom of a welding machine to be located in the same plane, then adjusting an adjusting device to enable the adjusting device to extend upwards from the through hole, then respectively placing two plates for testing at the bottoms of two pressing devices, then respectively pushing the two plates to enable the two plates to move towards the adjusting device and to be tightly extruded with the adjusting device, then enabling the adjusting device to recover to the original position, and at the moment, enabling uniform welding seams to be left between the two plates, so that errors caused by uneven welding seams when the balance of the welding machine is evaluated are avoided;
2. when welding great welding seam, adjust the position of deflector earlier, make it can contact with the leading wheel, promote the backup pad along the smooth pole direction after that, thereby make two leading wheels can be alternative with the crest contact of two deflectors, and after the crest contact of leading wheel and deflector, the deflector can promote the backup pad to the outstanding direction of crest through the leading wheel, and after the crest stagger of leading wheel and deflector, the layer board can resume the normal position gradually under the effect of compressed second spring, thereby when realizing that the layer board moves along the fore-and-aft direction, can also drive welded panel along both sides direction motion, and then cooperate the welding machine to realize "fish-scale welding" the operation to panel, and then reduce the influence of evaluating to the welding machine equilibrium because of the difference of welding skill.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic bottom perspective view of the support plate and pallet of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a bottom perspective view of the pallet of the present invention;
FIG. 5 is a top perspective view of the support plate of the present invention;
FIG. 6 is a schematic perspective view of the pressing device of the present invention;
fig. 7 is a schematic perspective view of an adjusting device according to the present invention.
In the figure: 1. a base; 2. a support plate; 3. a slide bar; 4. a slider; 5. a support plate; 6. an adjustment device; 61. inserting plates; 62. a limiting block; 63. a top block; 64. a first adjusting lever; 7. a pressing device; 71. pressing a plate; 72. a telescopic rod; 73. a first spring; 74. an L-shaped plate; 8. a first arcuate strip; 9. a second arcuate strip; 10. laths; 11. a guide plate; 12. a second adjusting lever; 13. a belt; 14. a guide wheel; 15. a connecting plate; 16. fixing the rod; 17. a second spring; 18. a roller; 19. positioning a rod; 20. positioning a groove; 21. a first magnetic block; 22. a second magnetic block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The invention provides a balance testing device of an automatic welding machine as shown in figures 1-7, which comprises a base 1, wherein a supporting plate 2 is arranged at the top of the base 1, two sliding rods 3 are arranged at the bottom of the supporting plate 2 in parallel, the front ends and the rear ends of the sliding rods 3 are fixedly connected with the top of the supporting plate 2 through a fixing block, two sliding blocks 4 are sleeved on the sliding rods 3 in a sliding manner, the sliding blocks 4 are connected with the bottom of the supporting plate 2, a supporting plate 5 is arranged at the top of the supporting plate 2, a strip-shaped through hole penetrates through the middle position of the top of the supporting plate 5, an adjusting device 6 for controlling the size of a welding seam is arranged in the through hole, pressing devices 7 for fixing a plate are arranged at the top positions of two sides of the through hole, two first arc-shaped strips 8 are symmetrically and fixedly connected at the positions of two sides of the bottom of the supporting plate 5, a second arc-shaped strip 9 is rotatably connected at the periphery of the two first arc-shaped strips 8, the second arc-shaped strip 9 is fixedly connected with the top of the supporting plate 2, and the centers of the two second arc-shaped strips 9 are the same as the centers of the two first arc-shaped strips 8;
the bottom of the supporting plate 5 is vertically and fixedly connected with two positioning rods 19, the top of the supporting plate 2 at the position corresponding to the positioning rods 19 is provided with an arc-shaped positioning groove 20, the circle center of the positioning groove 20 is superposed with the center of the supporting plate 2, the length of the positioning groove 20 is one fourth of the circumference of the positioning groove 20, a first magnetic block 21 is installed on the bottom groove wall at one end of the positioning groove 20 close to one end, two first magnetic blocks 21 in the two positioning grooves 20 are rotationally symmetrical about the circle center of the positioning groove 20, the bottom of the positioning rod 19 is fixedly connected with a second magnetic block 22, the magnetic poles at the opposite sides of the first magnetic block 21 and the second magnetic block 22 are opposite, the connecting plate 15 is located in the middle position of the side face of the supporting plate 2, and the length of the connecting plate 15 is greater than the height of the wave crest of the guide plate 11;
before welding, firstly adjusting the position of a supporting plate 5 to enable a through hole in the supporting plate 5 and the bottom of a welding machine to be located in the same plane, then adjusting an adjusting device 6 to enable the adjusting device 6 to extend upwards from the through hole, then respectively placing two plates for testing at the bottoms of two pressing devices 7, then respectively pushing the two plates to enable the two plates to move towards the direction of the adjusting device 6 and to be tightly extruded with the adjusting device 6, and then adjusting the adjusting device 6 again to enable the adjusting device 6 to recover the original position, and at the moment, uniform welding seams can be left between the two plates, so that errors in balance evaluation of the welding machine caused by nonuniform welding seams are avoided; after the welding seams between the plates are well controlled, the two plates can be fixed on the top of the supporting plate 5 under the action of the corresponding pressing devices 7, and then the automatic welding machine is started and the supporting plate 2 is pushed at a constant speed, so that the two plates can be welded together under the action of the automatic welding machine;
in the process of welding the plates, when the welding effect of the automatic welding machine on one position of the plates in other directions needs to be tested, the supporting plate 5 can be rotated, so that the supporting plate 5 drives the two plates to rotate by a certain angle under the matching action of the two first arc-shaped strips 8 and the two second arc-shaped strips 9, then the supporting plate 2 is pushed, and the welding tests of the automatic welding machine on different angles are completed;
in addition, in the welding process, when welding slag falls into the position between the supporting plate 5 and the supporting plate 2 through the through hole, the gap between the two first arc-shaped strips 8 and the gap between the two second arc-shaped strips 9 can be adjusted to opposite positions, and then the welding slag falling into the position between the supporting plate 5 and the supporting plate 2 can fall out through the gaps between the two first arc-shaped strips 8 and the two second arc-shaped strips 9 in a mode of standing the base 1, so that the welding slag is prevented from being accumulated between the supporting plate 5 and the supporting plate 2;
in addition, through being equipped with locating lever 19 and constant head tank 20, after layer board 5 rotated certain angle, can rotate locating lever 19 to the position relative with first magnetic path 21 to the realization resets fast to layer board 5 position, and after layer board 5 resets, first magnetic path 21 can adsorb together with second magnetic path 22, thereby realizes the locking to layer board 5 post-reset position.
As shown in fig. 1-7, adjusting device 6 includes picture peg 61 of bar, the cross-section of picture peg 61 is pagoda-shaped, the equal fixedly connected with stopper 62 in both sides of picture peg 61, stopper 62 correspond the position the spacing groove has been seted up on the through-hole inner wall, and stopper 62 slides and pegs graft in the spacing groove, the inclined plane hole has all been seted up to the front and back side of picture peg 61, the bottom in inclined plane hole and the bottom intercommunication of picture peg 61, and two run through between the inclined plane hole and seted up the connecting hole, the downthehole slip of inclined plane is pegged graft and is had trapezoidal kicking block 63, the inclined plane of kicking block 63 is relative with the inclined plane in inclined plane groove, and two kicking blocks 63 highly to keeping away from each other direction and uprising gradually, two it has first regulation pole 64 to run through along fore-and-aft direction screw thread between the kicking block 63 is opposite design, and first regulation pole 64 is relative position with two kicking blocks 63.
The pressing device 7 comprises a pressing plate 71, two telescopic rods 72 are vertically and fixedly connected to the top of the pressing plate 71, the two telescopic rods 72 are distributed in a front-back manner, a first spring 73 is sleeved on each telescopic rod 72, an L-shaped plate 74 is fixedly connected to the top of each telescopic rod 72, the bottom of each L-shaped plate 74 is fixedly connected with the top of the supporting plate 5, one side, away from each other, of each pressing plate 71 is inclined upwards, a groove is formed in the bottom of the parallel part of each pressing plate 71 and the corresponding supporting plate 5, a plurality of rollers 18 are rotatably connected between the groove walls on the two sides of each groove in a parallel manner, and the bottoms of the rollers 18 are lower than the bottoms of the pressing plates 71;
when the size of a weld joint needs to be adjusted according to different plates, the first adjusting rod 64 is rotated, so that the two top blocks 63 can move in opposite directions under the action of the first adjusting rod 64, the inserting plate 61 can drive the limiting block 62 to move upwards along the limiting groove under the jacking action of the top blocks 63 on the inclined plane hole along with the simultaneous movement of the two top blocks 63, after the inserting plate moves to a specified position, the first adjusting rod 64 stops rotating, the inserting plate 61 can be locked at the current position under the supporting action of the two top blocks 63, then the two plates for testing are respectively inserted into the bottom of the pressing plate 71 through the upward inclined sides of the pressing plate 71, along with the insertion of the plates, the pressing plate 71 is pushed upwards by the plates, the first spring 73 is gradually compressed, after the plates are completely inserted into the bottom of the pressing plate 71, the plates are continuously pushed to move towards the inserting plate 61, after the two plates are respectively tightly attached to the two sides of the inserting plate 61, the first adjusting rod 64 is reversely rotated, so that the two top blocks 63 and the inserting plate 61 can gradually restore the original position, the two plates can be suitable for being welded on the two plates, and the two supporting plates 5 can be conveniently balanced by the butt welding machine, and the two pressing plate 5 can be conveniently evaluated;
in addition, the insert plates 61 can be adjusted to different heights according to different plates, and the insert plates 61 are located at different heights of the top of the supporting plate 5, so that when the two plates are in contact with the insert plates 61, the sizes of gaps left between the two plates are different, and the requirements of different plates on the sizes of the gaps are met;
in addition, when the position of the plate needs to be adjusted in the front-back direction, the plate can be pushed in the front-back direction before the inserting plate 61 is reset, so that the position of the plate can be adjusted, and in the adjusting process, the roller 18 at the bottom of the pressing plate 71 can reduce the friction force of the pressing plate 71 on the plate during adjustment, so that the plate is adjusted more conveniently.
As shown in fig. 1-3, slats 10 are arranged in parallel on both sides of the supporting plate 2, the slats 10 are slidably mounted on the top of the base 1, the top of the slats 10 is fixedly connected with a wave-shaped guide plate 11, the protruding directions of all wave crests of the two guide plates 11 are the same, a second adjusting rod 12 is in threaded connection between the front side and the rear side of each of the two slats 10, the threads of the opposite portions of the second adjusting rod 12 and the two slats 10 are in reverse design, a belt 13 is connected between one end of each of the two second adjusting rods 12, a guide wheel 14 is arranged on one side of each of the two guide plates 11, the guide wheel 14 is opposite to the guide plate 11, connecting plates 15 are rotatably connected to both the top and the bottom of each of the guide wheels 14, the connecting plates 15 are vertically and fixedly connected to the side surfaces of the supporting plate 2, strip-shaped sliding grooves are formed in the bottom of the supporting plate 2 at positions corresponding to the sliding blocks 4 along the directions on both sides, the sliding blocks 4 are slidably mounted in the sliding grooves, the sliding blocks 4 are slidably inserted and connected with fixing rods 16, both ends of the sliding grooves are fixedly connected to the fixing rods 16, and second springs 17 are respectively;
in the process of welding the plates, when a welding seam is large, the welding operation needs to be performed on the plates by adopting 'fish scale welding', and a specific welding method is that the welding machine needs to swing back and forth along the directions of the two sides of the supporting plate 5 in a small amplitude while welding the welding seam of the plates along the front and back directions, so that the 'fish scale welding' operation is realized, but in the actual operation, the 'fish scale welding' has a high requirement on the welding skill of a welder, so that the welding skill of the welder also has a great influence on the balance evaluation of the welder when welding large welding seams, in order to reduce the influence on the balance evaluation of the welder due to the welding skill, one of the second adjusting rods 12 is adjusted first when welding large welding seams, so that the other second adjusting rod 12 can rotate together under the transmission of the belt 13, and along with the rotation of the second adjusting rods 12, the two laths 10 can drive the two guide plates 11 to simultaneously approach the supporting plate 5, and after the guide plates 11 and the guide wheels 14 are in contact with each other, the welding machine can adjust the movement amplitude of the supporting plate 11 along the movement of the two sides of the supporting plate 5 to be closer to the guide wheels 14, and the guide plates 11, and the guide wheels 14 are closer to the guide plates 14, the guide plates, the guide wheels 14, the welding distance between the guide plates is larger welding seam;
after the position of the guide plate 11 is adjusted, the support plate 2 is pushed along the direction of the sliding rod 3, along with the movement of the support plate 2, the two guide wheels 14 can be alternately contacted with wave crests of the two guide plates 11, and after the guide wheels 14 are contacted with the wave crests of the guide plates 11, the guide plates 11 can push the support plate 2 towards the protruding direction of the wave crests through the guide wheels 14, along with the pushing of the guide wheels 14 by the guide plates 11, the second springs 17 on the opposite sides of the moving direction of the support plate 5 can be gradually compressed, and after the wave crests of the guide wheels 14 and the guide plates 11 are staggered, the support plate 5 can be gradually restored to the original position under the action of the compressed second springs 17, so that the support plate 5 can be driven to move along the front-back direction, meanwhile, the welded plates can be driven to move along the two sides, a welding machine is matched to realize the operation of welding fish scale on the plates, and the influence on the balance evaluation of the welding machine due to the difference of welding skills is reduced.
The invention also provides a test method using any one of the automatic welding machine balance test devices, which comprises the following steps;
the method comprises the following steps: adjusting the position of the supporting plate 5 to enable the through hole on the supporting plate 5 and the bottom of the welding machine to be positioned in the same plane;
step two: placing two plates for testing on the top of the supporting plate 5, and fixing the two plates by two pressing devices 7 respectively;
step three: the inserting plate 61 is adjusted to a proper height through the first adjusting rod 64;
step four: pushing the two plates to respectively cling to two sides of the inserting plate 61, and then restoring the inserting plate 61 to the original position through the first adjusting rod 64;
step four: the supporting plate 2 is pushed, so that the plate stably passes through the bottom of the automatic welding machine under the driving of the supporting plate 2 and the welding test is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. Automatic welding machine balance test device, including base (1), its characterized in that: the welding jig is characterized in that a supporting plate (2) is arranged at the top of the base (1), two sliding rods (3) are arranged at the bottom of the supporting plate (2) in parallel, the front ends and the rear ends of the sliding rods (3) are fixedly connected with the top of the supporting plate (2) through a fixing block, two sliding blocks (4) are sleeved on the sliding rods (3) in a sliding mode, the sliding blocks (4) are connected with the bottom of the supporting plate (2), a supporting plate (5) is arranged at the top of the supporting plate (2), a strip-shaped through hole penetrates through the middle position of the top of the supporting plate (5), an adjusting device (6) for controlling the size of a welding line is arranged in the through hole, pressing devices (7) for fixing plates are arranged at the top of two sides of the through hole, two first arc-shaped strips (8) are symmetrically and fixedly connected to the positions of two sides of the bottom of the supporting plate (5), second arc-shaped strips (9) are rotatably connected to the peripheries of the two first arc-shaped strips (8), the second arc-shaped strips (9) are fixedly connected with the top of the supporting plate (2), and the centers of circles of the two second arc-shaped strips (9) are the same as those of the two first arc-shaped strips (8);
the adjusting device (6) comprises a strip-shaped inserting plate (61), the cross section of the inserting plate (61) is in a pagoda shape, limiting blocks (62) are fixedly connected to two sides of the inserting plate (61) respectively, limiting grooves are formed in the inner walls, corresponding to the limiting blocks (62), of the through holes, the limiting blocks (62) are inserted into the limiting grooves in a sliding mode, inclined surface holes are formed in the front side and the rear side of the inserting plate (61), the bottoms of the inclined surface holes are communicated with the bottoms of the inserting plate (61), connecting holes penetrate through the two inclined surface holes and are formed in the two inclined surface holes, trapezoidal top blocks (63) are inserted into the inclined surface holes in a sliding mode, the inclined surfaces of the top blocks (63) are opposite to the inclined surfaces of the inclined surface grooves, the heights of the two top blocks (63) gradually increase along the direction away from each other, a first adjusting rod (64) penetrates through the two top blocks (63) in a threaded mode in the front-back direction and is inserted into the two top blocks (63), and threads of the relative positions of the first adjusting rod (64) and the two top blocks (63) are designed oppositely;
laths (10) are arranged on both sides of the supporting plate (2) in parallel, the batten (10) is slidably arranged on the top of the base (1), the top of the batten (10) is fixedly connected with a wave-shaped guide plate (11), the protruding directions of all wave crests of the two guide plates (11) are the same, a second adjusting rod (12) is in threaded connection between the front side and the rear side of the two strip plates (10), the threads of the opposite parts of the second adjusting rods (12) and the two laths (10) are designed in a reverse direction, a belt (13) is connected between one ends of the two second adjusting rods (12), guide wheels (14) are arranged on the opposite sides of the two guide plates (11), the guide wheel (14) is opposite to the guide plate (11), the top and the bottom of the guide wheel (14) are both rotationally connected with connecting plates (15), the connecting plate (15) is vertically and fixedly connected with the side surface of the supporting plate (2), the bottom of the supporting plate (2) at the corresponding position of the sliding block (4) is provided with a strip-shaped sliding groove along the two side directions, the sliding block (4) is arranged in the sliding groove in a sliding way, the sliding block (4) is inserted with a fixed rod (16) in a sliding way along the directions of two sides, two ends of the fixed rod (16) are respectively fixedly connected with the groove walls at two sides of the sliding groove, and the parts of the fixed rod (16) positioned at the two sides of the sliding block (4) are sleeved with second springs (17).
2. The automatic welder balance testing device of claim 1, characterized in that: closing device (7) are including clamp plate (71), two telescopic link (72), two of the perpendicular fixedly connected with in top of clamp plate (71) telescopic link (72) are distribution around being, and have cup jointed first spring (73) on telescopic link (72), the top fixedly connected with L shaped plate (74) of telescopic link (72), the bottom and layer board (5) top fixed connection of L shaped plate (74).
3. The automatic welder balance testing device of claim 2, characterized in that: the two pressing plates (71) are inclined upwards on the opposite sides, a groove is formed in the bottom of the parallel portion of the pressing plates (71) and the supporting plate (5), a plurality of rollers (18) are connected between the groove walls on the two sides of the groove in a parallel rotating mode, and the bottoms of the rollers (18) are lower than the bottoms of the pressing plates (71).
4. The automatic welder balance testing device of claim 3, wherein: the bottom of layer board (5) is perpendicular fixedly connected with two locating levers (19), and locating lever (19) correspond the position curved constant head tank (20) have been seted up at the top of backup pad (2), the centre of a circle of constant head tank (20) and the center coincidence of backup pad (2), and the length of constant head tank (20) is the quarter of the circumference of constant head tank (20) place.
5. The automatic welder balance testing device of claim 4, characterized in that: the magnetic positioning device is characterized in that a first magnetic block (21) is mounted on the bottom groove wall of one end, close to the positioning groove (20), of the positioning groove (20), two first magnetic blocks (21) in the two positioning grooves (20) are rotationally symmetrical about the circle center of the positioning groove (20), a second magnetic block (22) is fixedly connected to the bottom of the positioning rod (19), and the magnetic poles of the opposite sides of the first magnetic block (21) and the second magnetic block (22) are opposite.
6. The automatic welder balance testing device of claim 4, characterized in that: the connecting plate (15) is located in the middle of the side face of the supporting plate (2), and the length of the connecting plate (15) is larger than the height of a wave crest of the guide plate (11).
7. A testing method using the balance testing device of the automatic welder according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
the method comprises the following steps: adjusting the position of the supporting plate (5) to enable the through hole on the supporting plate (5) and the bottom of the welding machine to be positioned in the same plane;
step two: placing two plates for testing on the top of the supporting plate (5), and fixing the two plates by two pressing devices (7) respectively;
step three: the inserting plate (61) is adjusted to a proper height through a first adjusting rod (64);
step four: pushing the two plates to be respectively attached to two sides of the inserting plate (61), and then restoring the inserting plate (61) to the original position through the first adjusting rod (64);
step five: the supporting plate (2) is pushed, so that the plate stably passes through the bottom of the automatic welding machine under the driving of the supporting plate (2) and the welding test is completed.
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