Automatic welding machine

Abstract

The utility model discloses an automatic welding machine which comprises a first sliding frame, a second sliding frame and two sliding seats, the upper end of the first sliding frame is connected with at least one automatic welding arm in a sliding mode, a plurality of installation frames are installed on the second sliding frame, the upper ends of the installation frames are connected with at least two rubber wheels in a rotating mode, and the rubber wheels are connected with the two sliding seats. The mounting frame is located between the two sliding seats, the sliding seats are connected to the second sliding frame in a sliding mode, a mounting plate is rotationally connected to the sliding seats, a rotating seat is connected to the mounting plate in a sliding mode, a mounting seat is rotationally connected to the end, away from the mounting plate, of the rotating seat, and the mounting seat is used for mounting a workpiece; the Y shaft is connected to the first sliding frame in a sliding mode, and the Y shaft is connected with the X shaft in a sliding mode. Compared with the prior art, the automatic welding machine has the advantages that the time for welding flanges and pipelines can be shortened, the efficiency for welding the flanges and the pipelines can be improved, the pre-welding step can be omitted, and the cost for welding the flanges and the pipelines can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding equipment, and specifically relates to an automatic welding machine. Background Art

[0002] An automatic welding machine is an automatic welding machine based on motor control technology, single-chip microcomputer control technology, PLC control technology, numerical control technology, etc. The automatic welding machine can weld workpieces with different shapes, greatly improving the welding efficiency and ensuring the welding quality.

[0003] However, when an automatic welding machine welds a metal pipe with a flange, usually the flange and the pipe are pre-welded first to fix the flange and the pipe, and then the pre-welded flange and pipe are placed on the automatic welding machine for welding. In this way, not only will the time for welding the flange and the pipe be longer, affecting the efficiency of welding the flange and the pipe, but also the cost of welding the flange and the pipe will increase.

[0004] The information disclosed in this background art section is only intended to enhance the overall understanding of the utility model and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an automatic welding machine, which can solve the technical problems raised in the above background art.

[0006] In order to achieve the above purpose, the technical solution provided by a specific embodiment of the utility model is as follows:

[0007] An automatic welding machine includes a first carriage, a second carriage, and two sliding seats. At least one automatic welding arm is slidably connected to the upper end of the first carriage. A plurality of mounting brackets are installed on the second carriage. At least two rubber wheels are rotatably connected to the upper end of the mounting bracket. The mounting bracket is located between the two sliding seats. The sliding seat is slidably connected to the second carriage. A mounting plate is rotatably connected to the sliding seat. A rotating seat is slidably connected to the mounting plate. One end of the rotating seat away from the mounting plate is rotatably connected to a mounting seat, and the mounting seat is used for mounting a workpiece.

[0008] In one or more embodiments of the utility model, the automatic welding arm includes a Y-axis, the Y-axis is slidably connected to the first carriage, an X-axis is slidably connected to the Y-axis, and a welding head is multi-dimensionally rotatably connected to one end of the X-axis away from the Y-axis.

[0009] In one or more embodiments of the utility model, a sinking groove is provided on the sliding seat, and the bottom wall of the sinking groove is rotatably connected to a telescopic cylinder. The other end of the telescopic cylinder is installed at one end of the mounting plate away from the mounting seat and is rotatably connected to the mounting plate.

[0010] In one or more embodiments of the present utility model, a first slide groove matching the rotating seat is opened on the mounting plate, a threaded rod is rotatably connected in the first slide groove, the threaded rod passes through the rotating seat and is threadedly connected to the rotating seat, and a motor for driving the threaded rod to rotate is installed on the upper end of the mounting plate.

[0011] In one or more embodiments of the present utility model, the mounting seat includes a circular seat body, a plurality of second slide grooves are provided on the circular seat body, an anti-sliding block matching the second slide grooves is slidably connected to the circular seat body, and an elastic component is installed between the anti-sliding block and the bottom wall of the second slide groove.

[0012] In one or more embodiments of the present invention, a baffle is fixedly connected to one end of the anti-sliding block close to the mounting plate.

[0013] In one or more embodiments of the present invention, a first slide groove is fixedly connected to the mounting plate, and the first slide groove enables the surface of the mounting plate to be parallel to the horizontal plane when the mounting plate is in a horizontal state.

[0014] In one or more embodiments of the present invention, a first slide groove is fixedly connected to the mounting plate, and the first slide groove enables the surface of the mounting plate to be parallel to the horizontal plane when the mounting plate is in a horizontal state.

[0015] In one or more embodiments of the present invention, the rotating seat and the mounting seat are detachably connected.

[0016] In one or more embodiments of the present invention, the mounting frame is provided with a plurality of grooves matching the rubber wheels.

[0017] Compared with the prior art, the utility model provides an automatic welding machine which can reduce the time for welding flanges and pipelines, improve the efficiency of welding flanges and pipelines, save the pre-welding step, and reduce the cost of welding flanges and pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 Schematic structural diagram of an automatic welding machine in an embodiment of the present utility model;

[0020] Figure 2 Cross-sectional view of an automatic welding machine in an embodiment of the present utility model;

[0021] Figure 3 Figure 2 Schematic diagram of the mechanism at position A;

[0022] Figure 4 First state diagram of an automatic welding machine in an embodiment of the present utility model;

[0023] Figure 5 State change diagram of an automatic welding machine in an embodiment of the present utility model.

[0024] Main reference numeral description:

[0025] 1. First carriage; 2. Automatic welding arm; 201. Y-axis; 202. X-axis; 203. Welding head; 3. Second carriage; 4. Mounting bracket; 401. Groove; 5. Rubber wheel; 6. Slide base; 601. Sinking groove; 7. Mounting plate; 701. First chute; 702. Support block; 8. Threaded rod; 9. Motor; 10. Rotating seat; 11. Mounting seat; 1101. Circular seat body; 11011. Second chute; 1102. Anti-slip block; 1103. Baffle; 1104. Elastic member; 12. Telescopic cylinder. Detailed implementation manners

[0026] In order to enable those skilled in the art to better understand the technical solutions in the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] As Figures 1 to 5 shown, an automatic welding machine in an embodiment of the present utility model includes a first carriage 1. At least one automatic welding arm 2 for welding is slidably connected to the upper end of the first carriage 1. The automatic welding arm 2 can slide along the direction set by the first carriage 1 and can be adjusted according to the position where the workpiece needs to be welded to achieve automatic welding.

[0028] Specifically, the automatic welding arm 2 includes a Y-axis 201 which slides along the direction in which the first carriage 1 is arranged. An X-axis 202 is slidably connected to the Y-axis 201 and slides vertically on the Y-axis 201. A welding head 203 is rotatably connected to one end of the X-axis 202 away from the Y-axis 201. The welding head 203 performs welding, and the cooperation of the Y-axis 201, the X-axis 202 and the first carriage 1 realizes the automatic adjustment of the position of the welding head 203. The above content is prior art and will not be elaborated here.

[0029] As Figures 1 to 5 shown, the automatic welding machine further includes a second carriage 3. Two mounting brackets 4 are slidably connected to the second carriage 3. Two rubber wheels 5 are respectively rotatably connected to the two mounting brackets 4. The workpiece can be placed on the two rubber wheels 5, and the support of the workpiece can be realized. Two sliding seats 6 are also slidably connected to the second carriage 3. The two mounting brackets 4 are located between the two sliding seats 6. An installation plate 7 is rotatably connected to the sliding seat 6. Mounting seats 11 are mounted on the opposite surfaces of the two installation plates 7. The mounting seats 11 are used for mounting flanges. The sliding seats 6 slide on the second carriage 3, and the flanges can be moved to both ends of the pipeline to complete the pre-welding of the pipeline and the flanges. The step of pre-welding the flanges and the pipeline outside the automatic welding machine can be omitted, greatly saving the time wasted in the welding of the pipeline and the flanges, and reducing the cost of welding the pipeline and the flanges.

[0030] Specifically, as Figure 1 shown, a plurality of grooves 401 are opened at the upper end of the mounting bracket 4. The grooves 401 are matched with the central axis of the rubber wheel 5. The rubber wheel 5 can be installed in any one of the grooves 401. That is, the two rubber wheels 5 can change positions on the mounting bracket 4 to change the gap between the two rubber wheels 5, so as to adapt to pipelines of different specifications. When the pipe diameters are the same, the larger the gap between the two rubber wheels 5, the lower the placement height of the pipeline. That is, the fine adjustment of the pipeline placement height can be realized through the two rubber wheels 5. One of the rubber wheels 5 on the mounting bracket 4 is driven by a motor. During the welding process, it can cooperate with the automatic welding arm 2 to rotate the pipe fitting while welding, so as to ensure the welding quality.

[0031] As Figures 1 to 4As shown in the figure, the sliding seat 6 and the mounting plate 7 are rotatably connected by a hinge. A telescopic cylinder 12 is rotatably connected to the bottom wall of the sliding seat 6. The other end of the telescopic cylinder 12 is mounted on the contact surface between the mounting plate 7 and the sliding seat 6 and is also rotatably connected to the mounting plate 7. The telescopic cylinder 12 can be used to open and close the mounting plate 7, and the telescopic cylinder 12 can enable the mounting plate 7 to rotate at least 90° on the sliding seat 6. That is, in the initial state of the mounting plate 7, it is horizontal to the horizontal plane. Through the drive of the telescopic cylinder 12, the mounting plate 7 can be perpendicular to the horizontal plane. A support block 702 is fixedly connected to one end surface of the mounting plate 7. When the mounting plate 7 is in a horizontal state, the support block 702 contacts the upper surface of the sliding seat 6, playing a role in supporting the mounting plate 7.

[0032] As Figure 1 shown in the figure, a sinking groove 601 matching the telescopic cylinder 12 is provided on the upper surface of the sliding seat 6. When the mounting plate 7 is in a horizontal state, a part of the telescopic cylinder 12 can be received in the sinking groove 601.

[0033] Specifically, as Figures 1 to 4 shown in the figure, a first sliding groove 701 is provided on the mounting plate 7. A threaded rod 8 matching the first sliding groove 701 is rotatably connected to the mounting plate 7. A motor 9 for driving the threaded rod 8 is mounted at one end of the mounting plate 7. The threaded rod 8 can penetrate through the mounting seat 11 and is threadedly connected to the threaded rod 8. The mounting seat 11 is slidably connected in the first sliding groove 701. During the rotation of the threaded rod 8, the mounting seat 11 can be driven to slide in the first sliding groove 701, changing the position of the mounting seat 11 so that the mounting seat 11 can be aligned with pipes of different sizes and cooperate with the flange to achieve the docking of the pipe and the flange.

[0034] As Figures 2 to 3 shown in the figure, the mounting seat 11 includes a rotating seat 10. The rotating seat 10 is slidably connected in the first sliding groove 701 and is penetrated by the threaded rod 8 and is threadedly connected to the threaded rod 8. The mounting seat 11 includes a circular seat body 1101. The rotating seat 10 and the circular seat body 1101 are detachably connected, specifically, it can be a snap connection, bolt fixation or other detachable connection methods. By installing in a detachable manner, it is convenient to replace the circular seat body 1101, so that the mounting seat 11 can adapt to different specifications of flanges. A plurality of second sliding grooves 11011 are provided on the circular seat body 1101. An anti-slip block 1102 matching the second sliding grooves 11011 is slidably connected to the circular seat body 1101. An elastic member 1104 is installed between the anti-slip block 1102 and the bottom wall of the second sliding grooves 11011. When the flange is installed on the mounting seat 11, the inner ring of the flange contacts the surface of the anti-slip block 1102 and applies a force to the anti-slip block 1102. The force is transmitted to the elastic member 1104, and the elastic member 1104 deforms, forcing the elastic member 1104 to slide into the second sliding grooves 11011. The elastic member 1104 can continuously apply an outward force, thereby increasing the stability of the installation of the anti-slip block 1102 and the flange.

[0035] Specifically, through the cooperation of the rotating base 10, the mounting seat 11 can be rotatably connected to the mounting plate 7. After the pipeline and the flange are pre-welded, the rubber wheel 5 drives the pipeline to rotate. The pipeline can drive the flange to rotate, and the flange drives the mounting seat 11 to rotate. The mounting seat 11 can rotate along with the rotation of the flange through the rotating base 10. During pre-welding, the automatic welding arm 2 spot-welds the flange and the pipeline at multiple positions to fix the pipeline and the flange.

[0036] Preferably, the surface of the anti-slip block 1102 is a rough surface, which can be used to increase the friction with the flange and improve the stability of the flange mounted on the mounting seat 11.

[0037] Among them, the elastic member 1104 can specifically be composed of several springs.

[0038] As Figures 2 to 3 shown, a baffle 1103 is fixedly connected to the side wall of the anti-slip block 1102 close to the mounting plate 7, and the baffle 1103 plays a role of limiting. When installing the flange, it is necessary to avoid the situation that the flange is inserted too little or too much as much as possible. When installing the flange, one side wall of the flange contacts the baffle 1103.

[0039] During use, as Figures 1 to 5 shown, first, the pipeline needs to be placed on the rubber wheels 5 of the two mounting frames 4, and the stability of the pipeline placement needs to be confirmed. The telescopic cylinder 12 will rotate the mounting plate 7 and make the mounting seat 11 vertically upward, that is, the mounting plate 7 is adjusted by the telescopic cylinder 12 until one surface of the mounting plate 7 contacts the upper surface of the sliding seat 6. At this time, the flange can be mounted on the mounting seat 11, and then the telescopic cylinder 12 is started to force the mounting plate 7 to rotate until it is perpendicular to the sliding seat 6. According to the position of the pipeline, the position of the mounting seat 11 is adjusted so that the flange can be aligned with the pipeline. Then, the sliding seat 6 slides towards one end of the pipeline to dock the flange and the pipeline, and the automatic welding arm 2 is used to pre-weld or weld the pipeline and the flange.

[0040] After the position of the mounting seat 11 on one mounting plate 7 is adjusted, the position of the other mounting seat 11 also needs to be adjusted. Of course, the data of the two motors 9 can also be interconnected to achieve data interaction. That is, the positions of the mounting seat 11 and the other mounting seat 11 change simultaneously. During the adjustment of the mounting seat 11, the position of the other mounting seat 11 will also change accordingly and match the position of the mounting seat 11.

[0041] After the adjustment of the mounting seat 11 is completed for the first time, when installing the next set of pipes and flanges, first, move the sliding seat 6 a certain distance away from the pipe end, then rotate the vertical mounting plate 7 to the horizontal by the telescopic cylinder 12, and then install the flange on the mounting seat 11. Then rotate the mounting plate 7 back to the vertical state by the telescopic cylinder 12, move the sliding seat 6 towards the pipe end, and align the flange with the pipe. Then complete the welding by the automatic welding arm 2.

[0042] The welding state of the automatic welding arm 2 has two types. One is to directly weld the pipe and the flange, and the other is to pre-weld the pipe and the flange first and then perform further welding. When the automatic welding arm 2 pre-welds, it fixes the flange and the pipe by spot welding, and then welds the pipe and the flange. After the spot welding fixation is completed, the mounting seat 11 is removed from the flange, and the mounting plate 7 is rotated to the horizontal again. Thus, the installation of the flange can be realized during the welding process of the automatic welding arm 2. When the welding of the pipe and the flange is completed, the welded workpiece is removed, a new pipe is installed on the rubber wheel 5 on the mounting rack 4, and then through the cooperation of the sliding seat 6, the mounting plate 7, and the telescopic cylinder 12, the flange and the pipe are fixed, which can improve the welding speed of the pipe and the flange to a certain extent and enhance the welding efficiency of the pipe and the flange.

[0043] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0044] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic welding machine, characterized in that, Including: A first carriage, at least one automatic welding arm is slidably connected to the upper end of the first carriage; A second carriage, a plurality of mounting brackets are installed on the second carriage, and at least two rubber wheels are rotatably connected to the upper ends of the mounting brackets; Two sliding seats, the mounting bracket is located between the two sliding seats, the sliding seat is slidably connected to the second carriage, a mounting plate is rotatably connected to the sliding seat, a rotating seat is slidably connected to the mounting plate, and a mounting seat is rotatably connected to the end of the rotating seat away from the mounting plate, and the mounting seat is used for mounting a workpiece.

2. An automatic welding machine according to claim 1, wherein, The automatic welding arm includes a Y-axis, the Y-axis is slidably connected to the first carriage, an X-axis is slidably connected to the Y-axis, and a welding head is multi-dimensionally rotatably connected to the end of the X-axis away from the Y-axis.

3. An automatic welding machine according to claim 1, characterized in that, A sinking groove is formed in the sliding seat, a telescopic cylinder is rotatably connected to the bottom wall of the sinking groove, and the other end of the telescopic cylinder is installed at the end of the mounting plate away from the mounting seat and is rotatably connected to the mounting plate.

4. An automatic welding machine according to claim 1, characterized in that, A first chute matching the rotating seat is formed in the mounting plate, a threaded rod is rotatably connected in the first chute, the threaded rod penetrates through the rotating seat and is threadedly connected to the rotating seat, and a motor for driving the threaded rod to rotate is installed at the upper end of the mounting plate.

5. An automatic welding machine according to any one of claims 1 to 4, characterized in that, The mounting seat includes a circular seat body, a plurality of second chutes are formed in the circular seat body, anti-sliding blocks matching the second chutes are slidably connected to the circular seat body, and elastic members are installed between the anti-sliding blocks and the bottom walls of the second chutes.

6. An automatic welding machine according to claim 5, characterized in that, A baffle is fixedly connected to the end of the anti-sliding block close to the mounting plate.

7. An automatic welding machine according to claim 5, characterized in that, A first chute is fixedly connected to the mounting plate, and when the mounting plate is in a horizontal state, its surface is parallel to the horizontal plane.

8. An automatic welding machine according to claim 1, characterized in that, A first chute is fixedly connected to the mounting plate, and when the mounting plate is in a horizontal state, its surface is parallel to the horizontal plane.

9. An automatic welding machine according to claim 1, characterized in that, The rotating seat and the mounting seat are detachably connected.

10. An automatic welding machine according to claim 1, characterized in that, A plurality of grooves matching the rubber wheels are formed in the mounting bracket.

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