CN115026487A - Double-point double-sided floating welding gun - Google Patents
Double-point double-sided floating welding gun Download PDFInfo
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- CN115026487A CN115026487A CN202210660624.0A CN202210660624A CN115026487A CN 115026487 A CN115026487 A CN 115026487A CN 202210660624 A CN202210660624 A CN 202210660624A CN 115026487 A CN115026487 A CN 115026487A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention provides a double-point double-sided floating welding gun which comprises a first single-spot welding mechanism, a second single-spot welding mechanism and a linear motion assembly, wherein the first single-spot welding mechanism is installed with the second single-spot welding mechanism in a matched mode through the linear motion assembly. The invention has the beneficial effects that: the two single-point welding mechanisms are connected through the linear motion assembly, so that two positions can be welded at the same time, the problem that stress changes are caused by different welding between the two positions is solved, the welding precision and the working efficiency are improved, the distance between the two welding positions can be adjusted by adjusting the linear motion assembly, and the welding gun can be suitable for more working scenes.
Description
Technical Field
The invention belongs to the field of welding equipment, and particularly relates to a double-point double-sided floating welding gun.
Background
With the continuous development of the national automobile industry, the automobile yield is gradually increased. This puts higher demands on the welding technology of the automobile body. High-cycle, high-flexibility, high-precision welding equipment is urgently needed to support high-productivity and high-quality welding. Due to the requirements of welding process and production cycle, a plurality of thin plate parts can generate certain stress deformation when one point is welded and the next point is welded, so that the welding precision is influenced. However, the existing welding gun can only realize the welding of one point, so that the welding precision cannot be ensured, and the production efficiency of the welding operation is limited to a certain extent.
Disclosure of Invention
In view of this, the invention aims to provide a double-point double-sided floating welding gun to solve the problems that the welding precision of the existing single-point welding gun cannot be guaranteed and the welding efficiency is low.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a two-point two-sided unsteady welder, includes first single spot welding mechanism, second single spot welding mechanism, linear motion subassembly, first single spot welding mechanism is through linear motion subassembly and the cooperation installation of second single spot welding mechanism.
Furthermore, the upper side of the first single spot welding mechanism is provided with a rack, the first single spot welding mechanism is fixedly connected with the rack, and the second single spot welding mechanism is installed in a matched mode through a sliding rail and the rack.
Furthermore, a flange plate is fixedly arranged on the upper end face of the rack.
Further, the linear motion assembly is one of an air cylinder, a hydraulic cylinder and an electric cylinder, the second single-spot welding mechanism is fixedly connected with the cylinder body, and the first single-spot welding mechanism is fixedly connected with the telescopic shaft. The limiting assembly is arranged on the second single-spot welding mechanism and used for limiting the stroke of the cylinder, the limiting assembly comprises a limiting support and a limiting bolt, the limiting support is fixedly connected with the second single-spot welding mechanism, the limiting bolt is installed on the side face of the limiting support, the nut of the limiting bolt corresponds to the side face of the rack, and the limiting bolt is in threaded connection with the limiting support.
Furthermore, the first single-spot welding mechanism and the second single-spot welding mechanism respectively comprise a moving electrode, a static electrode, a connecting arm, a welding cylinder and a mechanism support, the static electrode and the moving electrode are coaxially and oppositely arranged, the static electrode is fixedly connected with the connecting arm through a static electrode arm, an insulating pad is arranged between the static electrode arm and the connecting arm, the connecting arm is fixedly connected with a welding cylinder shell, the moving electrode is fixedly connected with a main shaft of the welding cylinder through a moving electrode arm, an insulating pad is arranged between the moving electrode arm and the main shaft of the welding cylinder, and the connecting arm and the mechanism support are installed in a matched mode; a floating assembly used for floating the connecting arm is further arranged between the connecting arm and the mechanism bracket; and the two stages of the output end of the transformer are electrically connected with the movable electrode arm and the static electrode arm of the first spot welding mechanism and the second single spot welding mechanism respectively.
Further, the floating assembly comprises a mounting plate, a spring mounting bolt, a compression spring, a spring positioning block, a bolt support and a floating cylinder, the bolt support and the floating cylinder are sequentially arranged on one side, far away from the moving electrode arm, of the mounting plate, a mounting hole for mounting the compression spring is formed in the mounting plate, a through hole communicated with the mounting hole is formed in one end, close to the floating cylinder, of the mounting plate, the inner diameter of the through hole is matched with the diameter of the spring mounting bolt, the diameter of the compression spring is larger than that of the spring mounting bolt, the spring mounting bolt and the compression spring are both mounted on the inner side of the mounting hole, the spring mounting bolt is mounted on the inner side of the compression spring, a spring positioning block is arranged at one end, close to the mounting hole, of the spring mounting bolt, the other end of the spring mounting bolt is fixedly connected with the bolt support, the diameter of the spring positioning block is larger than that of the compression spring, and a through hole corresponding to a main shaft of the floating cylinder is formed in the bolt support, the diameter of the through hole is larger than that of the floating cylinder main shaft, and a boss corresponding to the cylinder main shaft is arranged at one end, close to the floating cylinder, of the mounting plate; the mounting panel upper end is through linear guide and mechanism support cooperation installation, and the left end passes through connecting plate and linking arm fixed connection, bolt support, unsteady cylinder all with mechanism support fixed connection.
Furthermore, a floating bolt corresponding to the main shaft of the floating cylinder is arranged at one end, close to the floating cylinder, of the boss and is in threaded connection with the boss.
Furthermore, a through hole corresponding to the spring mounting bolt is formed in the bolt support, and the spring mounting bolt is mounted on the inner side of the through hole; the spring positioning block side is provided with a groove, the mounting plate is provided with a boss corresponding to the groove of the spring positioning block at the inner side of the mounting hole, the mounting plate is connected with the spring positioning block through the boss in a sliding manner, a threaded hole corresponding to a spring mounting bolt is arranged in one end, close to the floating cylinder, of the spring positioning block, and the spring mounting bolt is in threaded connection with the spring positioning block.
Further, welding cylinder below is equipped with the guide assembly who is used for the direction of moving electrode arm, the guide assembly includes guide bar, guide block, and the guide block is equipped with the guiding hole in welding cylinder main shaft direction, the guiding hole inboard is equipped with self-lubricating bearing, self-lubricating bearing outside and guiding hole inboard fixed connection, the guide bar is installed in self-lubricating bearing inboard, the guide bar outside and the inboard sliding connection of self-lubricating bearing, the one end and the moving electrode arm fixed connection of the nearly moving electrode arm of guide bar, guide block and linking arm fixed connection, be equipped with insulating pad between guide block and the linking arm.
Furthermore, a first proximity inductor and a second proximity inductor are arranged on the side face, away from one end of the moving electrode arm, of the guide rod, an induction block used for induction of the inductors is arranged at one end, away from the moving electrode, of the guide rod, and the first proximity inductor and the second proximity inductor are fixedly connected with the welding cylinder shell through connecting pieces.
Compared with the prior art, the double-point double-sided floating welding gun has the following beneficial effects:
(1) according to the double-point double-sided floating welding gun, the two single-point welding mechanisms are connected through the linear motion assembly, two positions can be welded at the same time, the problem that stress changes are caused when two points are welded at different times is solved, the welding precision and the working efficiency are improved, the distance between the two welding positions can be adjusted through adjusting the linear motion assembly, and the welding gun can be suitable for more working scenes.
(2) According to the double-point double-sided floating welding gun, the floating assembly is arranged, the grinding distance can be automatically compensated after the electrode is ground, the elasticity of the floating spring can be adjusted by tightening the spring mounting bolt, the floating distance can be adjusted by adjusting the floating bolt, the automatic compensation function of the welding gun is realized, and the welding gun has a wider application range.
(3) According to the double-point double-sided floating welding gun, the guide assembly is arranged on the movable electrode arm, so that the main electrode arm can be prevented from rotating radially, and the stability of the movable electrode in the moving process can be ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a floating welding gun with double-point and double-side according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first single spot welding mechanism according to an embodiment of the present invention;
FIG. 3 is an exploded view of a floating assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a guide assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a partial structure of a positioning assembly according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a spring positioning block and a mounting plate according to an embodiment of the invention.
Description of reference numerals:
1-a first single spot welding mechanism; 2-a second single spot welding mechanism; 3-a frame; 4-a flange plate; 5-a slide rail; 6-a linear motion assembly; 7-a moving electrode; 8-a static electrode; 9-moving electrode arm; 10-a static electrode arm; 11-a linker arm; 12-a floating assembly; 13-welding the cylinder; 14-a mechanism support; 15-mounting a plate; 16-spring mounting bolts; 17-a floating cylinder; 18-a compression spring; 19-a spring positioning block; 20-a connecting plate; 21-a linear guide rail; 22-bolt support; 23-a floating bolt; 24-a boss; 25-a guide block; 26-a guide rod; 27-a first proximity sensor; 28-a second proximity sensor; 29-a limit bracket; 30-limit bolt.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in figure 1, the double-point double-sided floating welding gun comprises a first single-spot welding mechanism 1, a second single-spot welding mechanism 2 and a linear motion assembly 6, wherein the first single-spot welding mechanism 1 is installed with the second single-spot welding mechanism 2 in a matched mode through the linear motion assembly 6, and the first single-spot welding mechanism 1 and the second single-spot welding mechanism 2 are arranged in parallel. The two single-point welding mechanisms are connected through the linear motion assembly 6, so that two positions can be welded at the same time, the problem that stress changes are caused by welding between two points at different times is solved, the welding precision and the working efficiency are improved, the distance between the two welding positions can be adjusted by adjusting the linear motion assembly 6, and the welding gun can be suitable for more working environments. One of the single spot welding mechanisms can be fixed on the equipment or a manipulator for use.
1 upside of first single spot welding mechanism is equipped with frame 3, first single spot welding mechanism 1 and frame 3 fixed connection, and second single spot welding mechanism 2 passes through slide rail 5 and the installation of frame 3 cooperation. The process of adjusting the distance between the welding spots is more stable by arranging the sliding rail 5, and the welding precision of the equipment in the welding process is improved. 3 up end of frame sets firmly flange 4, can fix welder and use on industrial robot or other equipment, has widened welder's use scene.
As shown in fig. 5, the linear motion assembly 6 is one of an air cylinder, a hydraulic cylinder and an electric cylinder, the second single spot welding mechanism 2 is fixedly connected with the cylinder body, and the first single spot welding mechanism 1 is fixedly connected with the telescopic shaft. Linear motion subassembly 6 adopts the cylinder in this embodiment, is equipped with on the second single spot welding mechanism 2 to be used for the spacing subassembly of cylinder stroke, and spacing subassembly includes spacing support 29, spacing bolt 30, and spacing support 29 and second single spot welding mechanism 2 fixed connection, spacing bolt 30 installation and spacing support 29 side, and the nut of spacing bolt 30 is corresponding with the side of frame 3, spacing bolt 30 and spacing support 29 threaded connection. When the air cylinder is supplied with air in the positive direction, the main shaft of the air cylinder extends to the maximum stroke along the axial direction, and the distance between the two welding points is longest. When the air cylinder supplies air reversely, the main shaft of the air cylinder contracts along the axial direction, the limiting bolt 30 can limit the side surface of the abutting rack 3, and the distance between the two welding spots is shortest at the moment. By adjusting the relative position between the limit bolt 30 and the limit bracket 29, the shortest distance between the two welding points can be adjusted. The cylinder is used as the linear motion assembly 6, and the linear motion assembly has the advantages of low cost, convenience in maintenance and stability and reliability in operation process. The air cylinder is connected with a controller through a driver, and the controller can be an independent controller of the welding gun or a controller of a mechanical arm matched with the welding gun.
As shown in fig. 2, each of the first single spot welding mechanism 1 and the second single spot welding mechanism 2 includes a moving electrode 7, a static electrode 8, a connecting arm 11, a welding cylinder 13, and a mechanism support 14, wherein the static electrode 8 and the moving electrode 7 are coaxially arranged in opposite directions, the static electrode 8 is fixedly connected with the connecting arm 11 through a static electrode arm 10, an insulating pad is arranged between the static electrode arm 10 and the connecting arm 11, the connecting arm 11 is fixedly connected with a housing of the welding cylinder 13, the moving electrode 7 is fixedly connected with a main shaft of the welding cylinder 13 through a moving electrode arm 9, an insulating pad is arranged between the moving electrode arm 9 and the main shaft of the welding cylinder 13, and the connecting arm 11 and the mechanism support 14 are installed in a matching manner; a floating assembly 12 for connecting the arm 11 is also arranged between the connecting arm 11 and the mechanism bracket 14; and a transformer is arranged on the bracket of the second single spot welding mechanism 2, and two stages of the output end of the transformer are electrically connected with the moving electrode arm 9 and the static electrode arm 10 of the first single spot welding mechanism 1 and the second single spot welding mechanism 2 respectively. In the actual welding operation process, the static electrode 8 is pressed on one side of a part to be welded, then the welding cylinder 13 is driven, the main shaft of the welding cylinder 13 drives the dynamic electrode 7 to press on two sides of the part to be welded, then the transformer is controlled to supply power to the electrodes, double-point welding is completed, the main shaft of the welding cylinder 13 contracts after welding is completed, and the dynamic electrode 9 is separated from the part to be welded. The first single spot welding mechanism 1 and the second single spot welding mechanism 2 are powered by a set of transformer system, so that the voltage and the current of the welding process are closer, the consistency of the welding process of two welding spots is ensured, and the welding quality of the welding spots is further improved. The welding cylinder 13 is connected to a controller through a driver, and the controller may be a controller of a welding gun alone or a controller of a robot arm used in cooperation with the welding gun.
As shown in fig. 3, the floating assembly 12 includes a mounting plate 15, a spring mounting bolt 16, a compression spring 18, a spring positioning block 19, a bolt support 22, and a floating cylinder 17, the bolt support 22 and the floating cylinder 17 are sequentially disposed on one side of the mounting plate 15 away from the movable electrode arm 9, a mounting hole for mounting the compression spring 18 is disposed in the mounting plate 15, and a through hole communicated with the mounting hole is disposed inside one end close to the floating cylinder 17, the inner diameter of the through hole matches the diameter of the spring mounting bolt 16, the diameter of the compression spring 18 is greater than the diameter of the spring mounting bolt 16, both the spring mounting bolt 16 and the compression spring 18 are mounted inside the mounting hole, wherein the spring mounting bolt 16 is mounted inside the compression spring 18, one end of the spring mounting bolt 16 close to the mounting hole is provided with the spring positioning block 19, the other end is fixedly connected with the bolt support 22, the diameter of the spring positioning block 19 is greater than the diameter of the compression spring 18, a through hole corresponding to the main shaft of the floating cylinder 17 is formed in the bolt support 22, the diameter of the through hole is larger than that of the main shaft of the floating cylinder 17, and a boss 24 corresponding to the main shaft of the cylinder is arranged at one end, close to the floating cylinder 17, of the mounting plate 15; the upper end of the mounting plate 15 is matched and mounted with the mechanism support 14 through a linear guide rail 21, the left end of the mounting plate is fixedly connected with the connecting arm 11 through a connecting plate 20, and the bolt support 22 and the floating cylinder 17 are fixedly connected with the mechanism support 14. Before welding, the main shaft of the floating cylinder 17 extends, the main shaft penetrates through a through hole in the bolt support 22 and tightly supports the boss 24, at the moment, the mounting plate 15 moves towards the direction of the moving electrode 7, the compression spring 18 is compressed, the moving electrode 7, the static electrode 8 and the connecting assembly of the static electrode 8 move forwards integrally, when the welding gun reaches a specified position, the main shaft of the floating cylinder 17 contracts, under the rebound effect of the compression spring 18, the moving electrode 7, the static electrode 8 and the connecting assembly of the static electrode 8 move backwards integrally, at the moment, the static electrode 8 can compress a part to be welded, the static electrode 8 does not need to be manually moved to compress the part to be welded, therefore, the welding efficiency is improved, and the welding gun can be guaranteed not to shake in the process of moving the welding gun. In addition, after the welding gun is used for a long time and the grinding length of the static electrode 8 is shortened, the floating assembly 12 can provide floating compensation for the electrode, and normal use of the welding gun is further ensured. The floating cylinder 17 is connected to a controller through a driver, and the controller may be a controller of the welding gun alone or a controller of a robot arm used in cooperation with the welding gun.
One end of the boss 24 close to the floating cylinder 17 is provided with a floating bolt 23 corresponding to the main shaft of the floating cylinder 17, and the floating bolt 23 is in threaded connection with the boss 24. The relative position of the nut of the floating bolt 23 and the boss 24 can be changed by loosening and tightening the floating bolt 23, the stroke of the main shaft of the floating cylinder 17 is fixed, and the distance between the floating nut and the boss 24 is changed, so that the floating distance is correspondingly changed. Adjusting the floating distance of the floating assembly 12 allows the welding gun to have a wider use scene.
The bolt support 22 is provided with a through hole corresponding to the spring mounting bolt 16, and the spring mounting bolt 16 is mounted on the inner side of the through hole; a groove is formed in the side face of the spring positioning block 19, a boss 24 corresponding to the groove of the spring positioning block is arranged on the inner side of the mounting hole of the mounting plate 15, the mounting plate 15 is connected with the spring positioning block 19 in a sliding mode through the boss 24, a threaded hole corresponding to the spring mounting bolt 16 is formed in one end, close to the floating cylinder 17, of the spring positioning block 19, and the spring mounting bolt 16 is in threaded connection with the spring positioning block 19. Because the groove of the spring positioning block 19 is matched with the mounting hole boss 24, the spring positioning block 19 cannot rotate due to the rotation of the spring mounting bolt 16, the distance between the nut and the spring positioning block 19 can be adjusted to change by tightening the spring mounting bolt 16, the length of the compression spring 18 can also change, and the elasticity of the compression spring 18 can also change correspondingly at the moment. The pressure of the static electrode 8 on the part to be welded can be changed by adjusting the elasticity of the compression spring 18, so that the welding gun can obtain wider use scenes.
As shown in fig. 4, the welding cylinder 13 is provided with a guide assembly below for guiding the movable electrode arm 9, the guide assembly includes a guide rod 26 and a guide block 25, the guide block 25 is provided with a guide hole in the main shaft direction of the welding cylinder 13, a self-lubricating bearing is arranged inside the guide hole, the outer side of the self-lubricating bearing is fixedly connected with the inner side of the guide hole, the guide rod 26 is installed inside the self-lubricating bearing, the outer side of the guide rod 26 is slidably connected with the inner side of the self-lubricating bearing, one end of the guide rod 26 close to the movable electrode arm 9 is fixedly connected with the movable electrode arm 9, the guide block 25 is fixedly connected with the connecting arm 11, and an insulating pad is arranged between the guide block 25 and the connecting arm 11. The cooperation of the guide rod 26 and the guide block 25 can not only prevent the moving electrode 7 from rotating radially, but also ensure the precision of the moving electrode 7 when moving linearly through the cooperation of the guide rod 26 and the self-lubricating bearing.
The side that the guide bar 26 kept away from movable electrode arm 9 one end is equipped with first inductor 27, the second is close inductor 28 of being close, the guide bar 26 is kept away from movable electrode 7 one end and is equipped with the response piece that is used for the inductor to respond to, first inductor 27 and the second of being close inductor 28 and pass through connecting piece and welding cylinder 13 casing fixed connection. The first proximity sensor 27 and the second proximity sensor 28 are electrically connected to a controller, which may be a controller of the torch alone or a controller of a robot arm used in cooperation with the torch. The first proximity sensor 27 and the second proximity sensor 28 are photoelectric proximity sensors, which can sense only the sensing blocks and send signals to the controller. When the welding cylinder 13 is in the non-extended state, the second proximity sensor 28 can sense the sensing block, and the controller receives the signal of the second proximity sensor 28, so that the welding gun can move. When the welding cylinder 13 is in the extended state, the first proximity sensor 27 can sense the sensing block, and the controller receives the signal of the first proximity sensor 27, so that the welding gun cannot move. The position of the cylinder can be monitored through the inductor, and the smoothness and the safety of a welding process are guaranteed. The controller is not limited to an existing PLC controller, and the PLC controller, the first proximity sensor 27 and the second proximity sensor 28 are all in the prior art and will not be described herein again.
In the practical use process in this embodiment, the welding gun is installed on an industrial robot, after it is determined that the welding cylinder 13 is in the contraction state, the main shaft of the floating cylinder 17 extends, the parts such as the moving electrode 7 and the static electrode 8 move forward, the welding gun is moved to the specified position, after the welding gun reaches the specified position, the main shaft of the floating cylinder 17 contracts, under the rebound action of the compression spring 18, the moving electrode 7, the static electrode 8 and the connecting assembly of the moving electrode 7 and the static electrode 8 move backward, at this time, the static electrode 8 can press the part to be welded, and the static electrode 8 can press the part to be welded without manually moving the welding gun, so that not only is the welding efficiency improved, but also the welding gun is ensured not to shake in the process of moving the welding gun. The main shaft of the welding cylinder 13 drives the moving electrode 7 to tightly press the parts to be welded on two sides, then the transformer is controlled to supply power to the electrodes, double-point welding is completed, after the welding is completed, the main shaft of the welding cylinder 13 contracts, and the moving electrode 7 is separated from the parts to be welded. The main shaft of the floating cylinder 17 is extended, the static electrode 8 is separated from the welding part, and the welding gun is moved to weld the next part.
Those of ordinary skill in the art will appreciate that the elements and method steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of clearly illustrating the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed method and system may be implemented in other ways. For example, the division of the above-mentioned units is only a logical function division, and other division manners may be available in actual implementation, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. The units may or may not be physically separate, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a two some double-sided unsteady welder which characterized in that: the spot welding device comprises a first single spot welding mechanism (1), a second single spot welding mechanism (2) and a linear motion assembly (6), wherein the first single spot welding mechanism (1) is installed in a matched mode through the linear motion assembly (6) and the second single spot welding mechanism (2).
2. The double-point double-sided floating welding gun according to claim 1, characterized in that: first single spot welding mechanism (1) upside is equipped with frame (3), first single spot welding mechanism (1) and frame (3) fixed connection, second single spot welding mechanism (2) are through slide rail (5) and frame (3) cooperation installation.
3. The double-point double-sided floating welding gun according to claim 2, characterized in that: and a flange plate (4) is fixedly arranged on the upper end surface of the frame (3).
4. The double-point double-sided floating welding gun according to claim 2, characterized in that: the linear motion assembly (6) is one of an air cylinder, a hydraulic cylinder and an electric cylinder, the second single-spot welding mechanism (2) is fixedly connected with the cylinder body, and the first single-spot welding mechanism (1) is fixedly connected with the telescopic shaft;
be equipped with on second single spot welding mechanism (2) and be used for the spacing subassembly of cylinder stroke, spacing subassembly includes spacing support (29), spacing bolt (30), spacing support and second single spot welding mechanism (2) fixed connection, spacing bolt (30) installation and spacing support (29) side, and the nut of spacing bolt (30) is corresponding with the side of frame (3), spacing bolt (30) and spacing support (29) threaded connection.
5. The double-point double-sided floating welding gun according to claim 1, characterized in that: the first single-spot welding mechanism (1) and the second single-spot welding mechanism (2) respectively comprise a moving electrode (7), a static electrode (8), a connecting arm (11), a welding cylinder (13) and a mechanism support (14), wherein the static electrode (8) and the moving electrode (7) are coaxially and oppositely arranged, the static electrode (8) is fixedly connected with the connecting arm (11) through a static electrode arm (10), an insulating pad is arranged between the static electrode arm (10) and the connecting arm (11), the connecting arm (11) is fixedly connected with a welding cylinder (13) shell, the moving electrode (7) is fixedly connected with a main shaft of the welding cylinder (13) through a moving electrode arm (9), an insulating pad is arranged between the moving electrode arm (9) and the main shaft of the welding cylinder (13), and the connecting arm (11) and the mechanism support (14) are installed in a matched mode;
a floating assembly (12) used for floating the connecting arm (11) is further arranged between the connecting arm (11) and the mechanism bracket (14);
and a transformer is arranged on a bracket of the second single spot welding mechanism (1), and two stages of the output end of the transformer are electrically connected with a moving electrode arm (9) and a static electrode arm (10) of the first spot welding mechanism (2) and the second single spot welding mechanism (1) respectively.
6. The two-point double-sided floating welding gun according to claim 5, characterized in that: the floating assembly (12) comprises a mounting plate (15), a spring mounting bolt (16), a compression spring (18), a spring positioning block (19), a bolt support (22) and a floating cylinder (17), wherein the bolt support (22) and the floating cylinder (17) are sequentially arranged on one side, away from the movable electrode arm (9), of the mounting plate (15), a mounting hole for mounting the compression spring (18) is formed in the mounting plate (15), a through hole communicated with the mounting hole is formed in one end, close to the floating cylinder (17), of the floating cylinder (17), the inner diameter of the through hole is matched with the diameter of the spring mounting bolt (16), the diameter of the compression spring (18) is larger than the diameter of the spring mounting bolt (16), the spring mounting bolt (16) and the compression spring (18) are both mounted on the inner side of the mounting hole, the spring mounting bolt (16) is mounted on the inner side of the compression spring (18), and a spring positioning block (19) is arranged at one end, close to the mounting hole, of the spring mounting bolt (16), the other end of the spring positioning block is fixedly connected with a bolt support (22), the diameter of the spring positioning block (19) is larger than that of the compression spring (18), a through hole corresponding to a main shaft of the floating cylinder (17) is formed in the bolt support (22), the diameter of the through hole is larger than that of the main shaft of the floating cylinder (17), and a boss (24) corresponding to the main shaft of the cylinder is arranged at one end, close to the floating cylinder (17), of the mounting plate (15);
mounting panel (15) upper end is through linear guide (21) and mechanism support (14) cooperation installation, and the left end passes through connecting plate (20) and linking arm (11) fixed connection, bolt support (22), unsteady cylinder (17) all with mechanism support (14) fixed connection.
7. The two-point double-sided floating welding gun according to claim 6, characterized in that: a floating bolt (23) corresponding to a main shaft of the floating cylinder (17) is arranged at one end, close to the floating cylinder (17), of the boss (24), and the floating bolt (23) is in threaded connection with the boss (24).
8. The two-point double-sided floating welding gun according to claim 6, characterized in that: the bolt support (22) is provided with a through hole corresponding to the spring mounting bolt (16), and the spring mounting bolt (16) is mounted on the inner side of the through hole; spring locating piece (19) side is equipped with the recess, mounting panel (15) are equipped with the boss that corresponds with spring locating piece (19) recess inboard at the mounting hole, mounting panel (15) pass through boss sliding connection with spring locating piece (19), spring locating piece (19) are close to float and are equipped with the screw hole that corresponds with spring mounting bolt (16) in cylinder (17) one end, spring mounting bolt (16) and spring locating piece (19) threaded connection.
9. The two-point double-sided floating welding gun according to claim 6, characterized in that: welding cylinder (13) below is equipped with the direction subassembly that is used for moving electrode arm (9) to lead, the direction subassembly includes guide bar (26), guide block (25), and guide block (25) are equipped with the guiding hole in welding cylinder (13) main shaft direction, the guiding hole inboard is equipped with self-lubricating bearing, self-lubricating bearing outside and guiding hole inboard fixed connection, install in self-lubricating bearing inboard guide bar (26), the inboard sliding connection of guide bar (26) outside and self-lubricating bearing, the one end and the moving electrode arm (9) fixed connection of electrode arm (9) are moved in the closing on of guide bar (26), guide block (25) and linking arm (11) fixed connection, be equipped with the insulating pad between guide block (25) and linking arm (11).
10. The two-point double-sided floating welding gun according to claim 9, characterized in that: the side of electrode arm (9) one end is kept away from in guide bar (26) is equipped with first inductor (27), the second is close inductor (28) of being close, guide bar (26) are kept away from electrode (7) one end and are equipped with the response piece that is used for the inductor response, first inductor (27) and the second of being close is close inductor (28) and is passed through connecting piece and welding cylinder (13) casing fixed connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110742344X | 2021-06-30 | ||
| CN202110742344.XA CN113319492A (en) | 2021-06-30 | 2021-06-30 | Double-point double-sided floating welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115026487A true CN115026487A (en) | 2022-09-09 |
Family
ID=77425328
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110742344.XA Withdrawn CN113319492A (en) | 2021-06-30 | 2021-06-30 | Double-point double-sided floating welding gun |
| CN202210660624.0A Pending CN115026487A (en) | 2021-06-30 | 2022-06-13 | Double-point double-sided floating welding gun |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110742344.XA Withdrawn CN113319492A (en) | 2021-06-30 | 2021-06-30 | Double-point double-sided floating welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113319492A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473318A (en) * | 2021-10-28 | 2022-05-13 | 天津市奥特威德焊接技术有限公司 | Rotary welding gun |
-
2021
- 2021-06-30 CN CN202110742344.XA patent/CN113319492A/en not_active Withdrawn
-
2022
- 2022-06-13 CN CN202210660624.0A patent/CN115026487A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN113319492A (en) | 2021-08-31 |
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