CN113245675A - Automatic welding machine and using method thereof - Google Patents
Automatic welding machine and using method thereof Download PDFInfo
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- CN113245675A CN113245675A CN202110722354.7A CN202110722354A CN113245675A CN 113245675 A CN113245675 A CN 113245675A CN 202110722354 A CN202110722354 A CN 202110722354A CN 113245675 A CN113245675 A CN 113245675A
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- 238000003466 welding Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000004907 flux Effects 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910000679 solder Inorganic materials 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000005476 soldering Methods 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/287—Supporting devices for electrode holders
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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Abstract
An automatic welding machine and a using method thereof comprise a welding gun, a stand column arranged on the top side of a table top and a gun pressing mechanism; the spring is arranged in the sliding cavity of the upright post, the top end of the spring is fixedly connected with the sliding block, the bottom end of the spring presses the first pressure sensor, and the side surface of the upright post is provided with a longitudinal sliding chute penetrating the sliding cavity; a first motor for driving a first rotating disc at the end part of the welding gun is arranged in the welding gun, and the first rotating disc is fixedly connected with the sliding block through a sliding chute; the welding head is arranged at the other end of the gun body, and a first chuck in the welding head is driven by a second motor in the gun body; the gun pressing mechanism is arranged at the top end of the support column through a rotating shaft, and the rotating shaft is driven by a third motor; the gun pressing arm presses the gun body, and the feeding wall lifts the gun body; the control device drives the first motor to rotate the gun body according to the feedback of the first pressure sensor and drives the second motor to link the first chuck; the third motor is driven by the control device. The feedback of the first pressure sensor and the second pressure sensor takes different stresses at different stages as signals, so that the forward and reverse rotation of the rotating shaft, the ascending and descending of the gun body, the feeding, the clamping and abandoning of the welding flux and the automation of welding are realized.
Description
Technical Field
The invention relates to an automatic welding machine, in particular to an automatic welding machine and a using method thereof.
Background
The automatic electric welder uses the high-temp electric arc generated by instantaneous short circuit of positive and negative poles to melt the solder on the electric welding material and the material to be welded, so combining the contacted objects.
However, the existing automatic electric welding machine still has many disadvantages in practical use, such as the welding flux can not be automatically supplemented, the welding contact point is unstable, the welding mode is single, and the like.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide an automatic welding machine and a using method thereof.
In order to achieve the above object, the present invention adopts the following technical solutions:
an automatic welding machine comprises a welding gun, an upright column arranged on the top side of a table top of a welding table and a gun pressing mechanism;
a sliding cavity is arranged in the upright post, a sliding block supported by a spring is arranged in the sliding cavity, a first pressure sensor is arranged at the bottom of the spring, and a longitudinal sliding groove penetrating the sliding cavity is arranged on the side surface of the upright post close to the table top; the welding gun is transversely suspended on the top of the table board, a gun body of the welding gun is fixedly connected with the sliding block through a first rotating disc arranged at the end part of the gun body through a sliding chute, and the first rotating disc is driven by a first motor in the gun body;
the welding head is fixedly arranged at the other end of the gun body, and a first chuck in the welding head is driven by a second motor in the gun body;
the gun pressing mechanism is arranged at the top end of the support column through a rotating shaft, the gun pressing mechanism is divided into a gun pressing arm at one side and a material supply arm at the other side through the rotating shaft, and the rotating shaft is driven by a third motor;
the gun pressing arm is used for pressing the gun body, and the feeding wall is used for lifting the gun body;
the control device drives the first motor to rotate the gun body according to the feedback of the first pressure sensor and drives the second motor to link the first chuck; the third motor is driven by the control device.
The side of the upright column is provided with a feeding box:
the interior of the box body is divided into a plurality of longitudinal material storage cavities, and the bottom of each material storage cavity is a feeding cavity which is communicated with each other along the horizontal longitudinal direction; the feeding cavity is obliquely arranged, and a material pushing device is horizontally and transversely arranged at the bottommost part;
the material pushing device comprises a material pushing screw rod in toothed connection with the fourth motor through a linkage gear, and the material pushing screw rod is horizontally and transversely arranged at the end part of the material supply cavity.
The support column is a hydraulic column and is driven by a control device.
The welding head is internally provided with a second pressure sensor which is contacted by the solder clamped by the first chuck;
the control device drives the third motor to rotate the gun pressing arm to press the gun body according to the feedback of the second pressure sensor.
The middle part of the table top is hollowed out to be annular; along the horizontal direction, a pair of parallel first slide rails are arranged in the ring, and two ends of the first slide rails are fixedly connected with the table board respectively; the bedplate is arranged on the first sliding rail through a sliding way on the bottom surface, and the bedplate moves along the sliding rail through the linkage of a fifth motor through a screw rod;
the fifth motor is driven by the control device.
Furthermore, two ends of the first sliding rail are fixedly connected with a sliding plate respectively, and the sliding plate is horizontally and longitudinally arranged on the table top and slides along a second sliding rail;
the fifth motor is fixedly connected with the sliding plate at any end and is linked by a telescopic hydraulic rod arranged horizontally and longitudinally;
the telescopic hydraulic rod is driven by a control device.
Furthermore, a positioning sensor connected with the control device is arranged on the side face of the bedplate, and the positioning point of the positioning sensor is an initial welding point.
Furthermore, a plurality of air suction ports are arranged on the inner side of the ring of the table top and are connected with a suction fan through an air duct; the bottom of the welding table is provided with a screen plate parallel to the table surface; the platen is provided with a workpiece clamp.
The use method of the automatic welding machine comprises the following steps:
s1, fixing the workpiece to be welded on the bedplate through the workpiece clamp,
s2, driving the fifth motor to link with the bedplate to move to the initial welding point by the control device;
s3, the control device starts the welding head and drives the third motor to press the gun body according to the feedback of the positioning sensor, so that the clamped welding flux is pressed against the welding point to be welded, the feedback pressure F8 of the second pressure sensor is kept, and welding is carried out; the welding mode comprises spot welding and sliding welding;
s4, when the rotating shaft of the gun pressing arm rotates to a certain angle, the control device closes the welding head, stops the fifth motor, drives the third motor to rotate reversely, lifts the gun body to the height matched with the material pushing screw rod through the material supply arm, and drives the first motor to rotate reversely according to the feedback pressure F0 corresponding to the first pressure sensor, so that the first chuck is opposite to the material pushing screw rod;
in the lifting process, a second motor is driven to link the first chuck to loosen the solder according to the feedback pressure F1 (F1 > F0) of the first pressure sensor;
s5, the control device drives the fourth motor to be linked with the material pushing screw rod according to the feedback pressure F0 of the first pressure sensor so as to push the solder into the first chuck to press the second pressure sensor, and the feedback pressure F7 is (F8> F7);
s6, the control device drives the third motor to rotate the gun pressing arm according to the feedback pressure F7 of the second pressure sensor; in the descending process of the gun body, the control device drives the second motor to be linked with the first chuck to clamp the solder according to the feedback pressure F2 (F2 > F0) of the first pressure sensor; in the continuous descending process, according to the feedback pressure F3 (F3 > F2) of the first pressure sensor, the first motor rotates the gun body forwards, so that the solder vertically presses against the welding point to the feedback pressure F8 of the second pressure sensor;
and S7, the control device restarts the welding head according to the feedback pressure F8 of the second pressure sensor and drives the fifth motor to continuously weld.
The use method of the automatic welding machine further comprises the step S0: fixing a workpiece to be welded on the bedplate through a workpiece clamp; and adjusting the telescopic hydraulic rod to enable the to-be-welded points of the to-be-welded parts to be placed on the horizontal transverse line at the bottoms of the welding fluxes.
The invention has the advantages that:
according to the automatic welding machine and the using method thereof, the feedback of the built-in first pressure sensor and the built-in second pressure sensor is used for taking different stresses in different stages as signals, so that the forward and reverse rotation of the rotating shaft is realized, the ascending and descending of the gun body are realized, the feeding is realized, the clamping and the material abandoning of the welding flux are realized, and the automation of welding is further realized.
The automatic welding machine and the use method thereof have the advantages of simple structure, convenient use, low manufacturing cost, easy maintenance, high welding efficiency and good effect, and the welding strength, strength and mode can be further set through the control device, so that the automatic welding machine has strong practicability and wide applicability.
Drawings
FIG. 1 is a schematic structural diagram of an automatic welder.
Fig. 2 is a schematic structural diagram of the gun pressing mechanism.
FIG. 3 is a schematic view of a material storage chamber.
Fig. 4 is a schematic structural view of the pushing device.
The designations in the drawings have the following meanings: 1. the welding table comprises a welding table, 2, an upright post, 3, a feeding box, 4, a welding gun, 5, a sliding chute, 6, a gun pressing mechanism, 7, a table plate, 8, a screen plate, 9, a first sliding rail, 10, a screw rod, 11, a fifth motor, 12, a telescopic hydraulic rod, 13, an air suction opening, 14, a third motor, 15, a rotating shaft, 16, a gun pressing arm, 17, a feeding arm, 18, a material storage cavity, 19, a feeding cavity, 20, a material pushing screw rod, 21, a fourth motor, 22, a sliding plate, 23 and a second sliding rail.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
An automatic welding machine comprises a welding table 1, a welding gun 4, a feeding box 3 and a gun pressing mechanism 6.
The middle part of the table top of the welding table 1 is hollow, and the table top is annular; a pair of parallel first slide rails 9 are horizontally and transversely arranged in the ring of the table top, two ends of the first slide rails are respectively fixedly connected with a slide plate 22 (vertically), the slide plate 22 slides along a second slide rail 23 which is horizontally and longitudinally arranged, and the second slide rail 23 is fixedly connected with the table top (or the side surface of the ring of the table top). The bedplate 7 is arranged on the first slide rail 9 through a slide way on the bottom surface and horizontally slides along the first slide rail 9; a fifth motor 11 is fixedly arranged with any slide plate 22, a screw 10 connected with the motor shaft passes through the bedplate 7 and is in threaded connection with the bedplate 7, a telescopic hydraulic rod 12 is arranged along the horizontal longitudinal direction, and the end part of the telescopic hydraulic rod is fixedly connected with the fifth motor 11; the telescopic hydraulic rod 12 is linked with the first slide rail 9 and the bedplate 7 by a fifth motor 11 to slide along the second slide rail 23. The bottom of the table top is provided with a parallel screen plate 8 for containing the cut objects; a plurality of air suction ports 13 are arranged on the inner side of the ring of the table top and are connected with a suction fan through an air duct; a positioning sensor is arranged on the side surface of the bedplate 7, and a workpiece clamp is also arranged on the bedplate 7.
Welder 4 locates the mesa through stand 2, and feed tank 3 and stand 2's side fixed connection press the rifle mechanism to locate the opposite side of stand 2 through 6 hydraulic support columns.
Along the longitudinal direction, a sliding cavity is arranged in the upright post 2; the spring is arranged in the sliding cavity, the top end of the spring is fixedly connected with the sliding block, and the bottom end of the spring is abutted against the first pressure sensor. The side surface of the upright post 2 is provided with a longitudinal sliding chute 5 penetrating through the sliding cavity; the welding gun 4 is horizontally and longitudinally suspended at the top of the table board, a first rotary disc arranged at the end part of a gun body of the welding gun is driven by a first motor in the gun body, and the first rotary disc is fixedly connected with a sliding block through a sliding chute 5 by a connecting rod; the welding head is arranged at the other end of the gun body, and a first chuck in the welding head is driven by a second motor in the gun body; and a second pressure sensor arranged in the welding head and contacted by the solder clamped by the first chuck.
The gun pressing mechanism 6 is V-shaped, the middle part is provided with a rotating shaft 15, and the two arms are respectively a gun pressing arm 16 and a feeding arm 17; the gun pressing mechanism 6 is arranged at the top end of the supporting column through a rotating shaft 15, and the rotating shaft 15 is driven by a third motor 14. The hold down arm 16 is used to hold down the body from the top of the body and the feeder wall is used to lift the body from the bottom of the body.
The feeding box 3 is divided into a plurality of longitudinal material storage cavities 18 along the horizontal longitudinal direction; the bottoms of the storage cavities 18 are mutually communicated to form a feeding cavity 19, and the feeding cavity 19 is obliquely arranged; and a material pushing screw rod 20 is horizontally and transversely arranged at the bottommost part of the feeding cavity 19, and the material pushing screw rod 20 is in tooth joint linkage through a gear by a fourth motor 21. The pushing screw rod 20, the fourth motor 21 and the gear form a pushing device.
The first motor, the second motor, the third motor 14, the fourth motor 21, the fifth motor 11, the positioning sensor, the first pressure sensor and the second pressure sensor are respectively connected with the control device.
The using method comprises the following steps:
s0: pre-positioning: fixing a workpiece to be welded on the bedplate 7 through a workpiece clamp; adjusting the telescopic hydraulic rod 12 to enable the to-be-welded points or initial welding points of the to-be-welded parts to be placed at the bottoms of the welding materials or on the horizontal transverse lines of the bottoms; if the welding flux is on the horizontal transverse line, the fifth motor 11 is linked with the bedplate 7 to move to the point to be welded or the initial welding point to be placed at the bottom of the welding flux; the control device locates and records the point as the initial welding point through the locating sensor.
And S1, fixing the workpiece to be welded on the bedplate 7 by using a workpiece clamp.
And S2, driving the fifth motor 11 to move in linkage with the bedplate 7 according to the non-positioning feedback of the positioning sensor by the control device, so that the workpiece to be welded moves to the initial welding point, namely, the control device obtains the positioning feedback of the positioning sensor.
S3, the control device starts the welding head and drives the third motor 14 to rotate according to the positioning feedback of the positioning sensor, so that the gun pressing arm 16 presses the gun body, the end part of the welding flux clamped by the first chuck is enabled to be pressed against a welding point to be welded, the feedback pressure F8 of the second pressure sensor is maintained, and welding is carried out;
the welding mode comprises spot welding and sliding welding; if the spot welding is performed, the control device can repeatedly drive the rotating shaft 15 to enable the gun body to perform spot welding under the reciprocating action of the spring and the gun pressing arm 16; in the case of sliding welding, the control device keeps the pressure F8 unchanged, and the fifth motor 11 rotates the screw 10 to link the platen 7 to move, so that the welding point is in a straight line along with the movement.
S4, when the rotating shaft 15 of the gun pressing arm 16 rotates to a certain angle along with consumption of the solder, the control device closes the welding head, stops the fifth motor 11, drives the third motor 14 to rotate reversely, and lifts the gun body to the height matched with the material pushing screw rod 20 through the material supplying arm 17, and the feedback pressure of the corresponding first pressure sensor is F0;
the control device drives the first motor to reversely rotate the gun body according to the feedback pressure F0 of the first pressure sensor, so that the first chuck (clamping hole) is opposite to the material pushing screw rod 20.
During the lifting process of the gun body, the pressure of the first pressure sensor pressed gun arm 16 is reduced, the gun body is lifted, and meanwhile, the compression state of the spring is reduced, namely, the first pressure sensor is lifted along with the gun body, and the detected pressure is gradually reduced. When the feedback pressure F1 of the first pressure sensor (F1 > F0), the control device drives the second motor to link the first chuck to loosen the solder.
And S5, the control device drives the fourth motor 21 to link with the material pushing screw rod 20 to push the solder into the first chuck (clamping opening) and press against the second pressure sensor according to the feedback pressure F0 of the first pressure sensor, and the feedback pressure F7 is (F8> F7).
S6, the control device drives the second motor to be linked with the first chuck to clamp new solder (root) according to the feedback pressure F7 of the second pressure sensor, and simultaneously drives the third motor 14 to rotate the gun pressing arm 16; and in the descending process of the gun body, the first motor is driven to rotate the gun body forwards according to the feedback pressure F3 (F3 > F2) of the first pressure sensor, so that the solder vertically presses against the welding point to the feedback pressure F8 of the second pressure sensor.
And S7, the control device restarts the welding head according to the feedback pressure F8 of the second pressure sensor and drives the fifth motor 11 to continuously weld.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. An automatic welding machine is characterized by comprising a welding gun, an upright column arranged on the top side of a table top of a welding table and a gun pressing mechanism;
a sliding cavity is arranged in the upright post, a sliding block supported by a spring is arranged in the sliding cavity, a first pressure sensor is arranged at the bottom of the spring, and a longitudinal sliding groove penetrating the sliding cavity is arranged on the side surface of the upright post close to the table top; the welding gun is transversely suspended on the top of the table board, a gun body of the welding gun is fixedly connected with the sliding block through a first rotating disc arranged at the end part of the gun body through a sliding chute, and the first rotating disc is driven by a first motor in the gun body;
the welding head is fixedly arranged at the other end of the gun body, and a first chuck in the welding head is driven by a second motor in the gun body;
the gun pressing mechanism is arranged at the top end of the support column through a rotating shaft, the gun pressing mechanism is divided into a gun pressing arm at one side and a material supply arm at the other side through the rotating shaft, and the rotating shaft is driven by a third motor;
the gun pressing arm is used for pressing the gun body, and the feeding wall is used for lifting the gun body;
the control device drives the first motor to rotate the gun body according to the feedback of the first pressure sensor and drives the second motor to link the first chuck; the third motor is driven by the control device.
2. The automatic welding machine of claim 1, wherein the side of the column is provided with a feed box:
the interior of the box body is divided into a plurality of longitudinal material storage cavities, and the bottom of each material storage cavity is a feeding cavity which is communicated with each other along the horizontal longitudinal direction; the feeding cavity is obliquely arranged, and a material pushing device is horizontally and transversely arranged at the bottommost part;
the material pushing device comprises a material pushing screw rod in toothed connection with the fourth motor through a linkage gear, and the material pushing screw rod is horizontally and transversely arranged at the end part of the material supply cavity.
3. An automatic welding machine as defined in claim 1 wherein said support columns are hydraulic columns driven by a control means.
4. An automatic welding machine as defined in claim 1, wherein said soldering tip incorporates a second pressure sensor, against which solder held by said first chuck contacts;
the control device drives the third motor to rotate the gun pressing arm to press the gun body according to the feedback of the second pressure sensor.
5. The automatic welding machine of claim 1, wherein the middle of the table top is hollowed out to form a ring shape; along the horizontal direction, a pair of parallel first slide rails are arranged in the ring, and two ends of the first slide rails are fixedly connected with the table board respectively; the bedplate is arranged on the first sliding rail through a sliding way on the bottom surface, and the bedplate moves along the sliding rail through the linkage of a fifth motor through a screw rod;
the fifth motor is driven by the control device.
6. The automatic welding machine of claim 5, wherein two ends of the first slide rail are fixedly connected to a slide plate, respectively, and the slide plate slides along a second slide rail horizontally and longitudinally arranged on the table top;
the fifth motor is fixedly connected with the sliding plate at any end and is linked by a telescopic hydraulic rod arranged horizontally and longitudinally;
the telescopic hydraulic rod is driven by a control device.
7. The automatic welding machine of claim 5, wherein the side of the platen is provided with a position sensor connected to the control device, and the position of the position sensor is an initial weld point.
8. The automatic welding machine of claim 5, wherein a plurality of suction openings are formed in the inner side of the ring of the table top and connected with a suction fan through an air duct; the bottom of the welding table is provided with a screen plate parallel to the table surface; the platen is provided with a workpiece clamp.
9. Use of an automatic welder according to anyone of claims 1 to 8, characterized in that it comprises the following steps:
s1, fixing the workpiece to be welded on the bedplate through the workpiece clamp,
s2, driving the fifth motor to link with the bedplate to move to the initial welding point by the control device;
s3, the control device starts the welding head and drives the third motor to press the gun body according to the feedback of the positioning sensor, so that the clamped welding flux is pressed against the welding point to be welded, the feedback pressure F8 of the second pressure sensor is kept, and welding is carried out; the welding mode comprises spot welding and sliding welding;
s4, when the rotating shaft of the gun pressing arm rotates to a certain angle, the control device closes the welding head, stops the fifth motor, drives the third motor to rotate reversely, lifts the gun body to the height matched with the material pushing screw rod through the material supply arm, and drives the first motor to rotate reversely according to the feedback pressure F0 corresponding to the first pressure sensor, so that the first chuck is opposite to the material pushing screw rod;
in the lifting process, a second motor is driven to be linked with the first chuck to loosen the solder according to the feedback pressure F1 of the first pressure sensor;
s5, the control device drives the fourth motor to link with the material pushing screw rod according to the feedback pressure F0 of the first pressure sensor so as to push the solder into the first chuck to press against the second pressure sensor, and the feedback pressure F7 is obtained;
s6, the control device drives the second motor to be linked with the first chuck to clamp the solder according to the feedback pressure F7 of the second pressure sensor, and simultaneously drives the third motor to rotate the gun pressing arm;
in the descending process of the gun body, the first motor is driven to rotate the gun body forwardly according to the feedback pressure F3 of the first pressure sensor, so that the solder vertically abuts against the welding point to the feedback pressure F8 of the second pressure sensor;
and S7, the control device starts the welding head and drives the fifth motor according to the feedback pressure F8 of the second pressure sensor, and welding is continued.
10. The use method of the automatic welder according to any of the claim 9, characterized by further comprising the step S0: fixing a workpiece to be welded on the bedplate through a workpiece clamp; and adjusting the telescopic hydraulic rod to enable the to-be-welded points of the to-be-welded parts to be placed on the horizontal transverse line at the bottoms of the welding fluxes.
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| CN202110722354.7A CN113245675B (en) | 2021-06-29 | 2021-06-29 | Automatic welding machine and using method thereof |
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| CN202110722354.7A CN113245675B (en) | 2021-06-29 | 2021-06-29 | Automatic welding machine and using method thereof |
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