CN111168219A - Small U Tube Welding Machine for Heat Exchanger - Google Patents
Small U Tube Welding Machine for Heat Exchanger Download PDFInfo
- Publication number
- CN111168219A CN111168219A CN201911242728.4A CN201911242728A CN111168219A CN 111168219 A CN111168219 A CN 111168219A CN 201911242728 A CN201911242728 A CN 201911242728A CN 111168219 A CN111168219 A CN 111168219A
- Authority
- CN
- China
- Prior art keywords
- base
- frame
- workpiece loading
- small
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B23K13/00—Welding by high-frequency current heating
- B23K13/01—Welding by high-frequency current heating by induction heating
- B23K13/02—Seam welding
- B23K13/025—Seam welding for tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a small U-shaped pipe welding machine of a heat exchanger, which comprises: a frame; the base can be pivoted to the rack in a transverse plane in a rotating manner; the base driving device is arranged on the rack and can drive the base to rotate; the workpiece loading frames are arranged around the pivoting axis of the base, the workpiece loading frames are pivoted to the base and can rotate in a vertical plane, and the workpiece loading frames are provided with a horizontal position and a vertical position; the overturning driving device is arranged on the base and can drive the workpiece loading frame to rotate so as to enable the workpiece loading frame to switch between a horizontal position and a vertical position; the welding gun is connected with the welding gun moving mechanism, the welding gun moving mechanism is connected with the rack, and the lower side of the moving range of the welding gun is configured as a welding station; when the base rotates, the workpiece loading frames sequentially enter the welding stations in turn. The small U-shaped pipe welding machine with the structure can reduce the labor intensity of workers and improve the working efficiency.
Description
Technical Field
The invention relates to a welding machine, in particular to a small U-shaped pipe welding machine of a heat exchanger.
Background
Referring to fig. 1, a heat exchanger 100 for a condenser, an evaporator, etc. generally includes a housing 101, and a serpentine pipe is disposed in the housing 101, and cold and hot fluids flow through the inside and outside of the pipe, respectively, so as to exchange heat between the cold and hot fluids. The pipeline is usually formed by connecting a large U pipe 102 and a small U pipe 103, wherein the large U pipe 102 is longer than the small U pipe, the large U pipe 102 is arranged in parallel in the shell 101, the small U pipe 103 is connected to the end part of the large U pipe 102, and the large U pipe 102 is connected in series through the small U pipe 103 to form a continuously communicated pipeline. To ensure a tight seal and installation, the small U-tubes 103 need to be welded to the large U-tubes 102. The welding process of carrying out little U pipe 103 is assisted to current manual work or simple and easy frock usually, and efficiency is lower, and intensity of labour is big, and especially to some large-scale heat exchangers, manual operation is very hard troublesome.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a small U-shaped pipe welding machine of a heat exchanger, which can reduce the labor intensity of workers and improve the working efficiency.
According to the embodiment of the invention, the small U-tube welding machine of the heat exchanger comprises: a frame; a base pivotally connected to the frame in a horizontal plane to be rotatable; the base driving device is arranged on the rack and can drive the base to rotate; the workpiece loading frames are arranged around the pivoting axis of the base, the workpiece loading frames are pivoted to the base and can rotate in a vertical plane, and the workpiece loading frames have horizontal positions and vertical positions; the overturning driving device is arranged on the base and can drive the workpiece loading frame to rotate so as to enable the workpiece loading frame to switch the horizontal position and the vertical position; the welding gun moving device is connected to the rack and can drive the welding gun to move on the upper side of the workpiece loading frame, the lower side of the moving range of the welding gun is configured to be a welding station, and when the base rotates, the workpiece loading frame enters the welding station alternately.
The small U-tube welding machine of the heat exchanger disclosed by the embodiment of the invention at least has the following beneficial effects: the welding machine with the structure can effectively reduce the labor intensity of workers and improve the operation efficiency by completing station switching of the heat exchanger, adjustment of the processed posture and welding of the small U-shaped pipe through the mechanical mechanism, and is particularly suitable for large heat exchangers.
According to some embodiments of the invention, the welding gun comprises an induction welding head, the induction welding head comprises an annular conductor, the annular conductor is transversely arranged, the annular conductor comprises a first U-shaped part and a second U-shaped part, two ends of the first U-shaped part and two ends of the second U-shaped part are correspondingly connected in a one-to-one mode to enclose a closed ring shape, and two positions where the first U-shaped part and the second U-shaped part are connected are respectively connected with an input electrode.
According to some embodiments of the invention, the welding gun moving device is a four-axis moving platform provided with a three-dimensional moving axis and a rotating axis that rotates about a vertical axis among the three-dimensional moving axis to enable the induction welding head to move in three dimensions and rotate about the vertical axis.
According to some embodiments of the invention, the frame is provided with a lift mechanism, and the welding gun moving device is provided with the lift mechanism.
According to some embodiments of the invention, the lifting platform mechanism comprises a lifting platform, two lead screws and lead screw driving motors for respectively driving the two lead screws to rotate; the two lead screws are vertically arranged and pivoted on two sides of the rack, the lifting platform can be movably connected to the rack up and down, lead screw nuts are respectively fixed on two sides of the lifting platform, the two lead screw nuts are matched with the two lead screws in a one-to-one correspondence manner, the two lead screw driving motors are arranged on the rack, and output shafts of the two lead screw driving motors are respectively connected with the two lead screws to respectively drive the two lead screws to rotate.
According to some embodiments of the present invention, the base is connected to the frame through a pivoting support, an inner ring of the pivoting support is fixed to the frame, an outer ring of the pivoting support is fixed to the base, the base driving device includes a base driving motor, the base driving motor is disposed on the frame, and an output shaft of the base driving motor is coupled to the outer ring of the pivoting support to drive the outer ring of the pivoting support to rotate.
According to some embodiments of the invention, the workpiece loading frame comprises a horizontally arranged support frame and a vertically arranged support frame, the horizontally arranged support frame comprises a plurality of splicing units, the splicing units are arranged in a row, adjacent splicing units are detachably connected, the horizontally arranged support frame is vertically connected with the vertically arranged support frame, the horizontally arranged support frame is transversely arranged when the workpiece loading frame is in the horizontally arranged position, the vertically arranged support frame is transversely arranged when the workpiece loading frame is in the vertical position, and the workpiece loading frame is provided with a workpiece clamping mechanism.
According to some embodiments of the invention, the workpiece clamping mechanism is arranged on at least one of the splicing units, and comprises a pair of clamping members and a pair of clamping cylinders, the pair of clamping cylinders are respectively arranged on two sides of the splicing unit and are arranged oppositely, and the pair of clamping members are respectively connected with cylinder rods of the pair of clamping cylinders in a one-to-one correspondence manner and can be driven by the clamping cylinders to approach or separate from each other.
According to some embodiments of the invention, the vertical support frame comprises a base and a plurality of positioning seats, the positioning seats are fixed on the base, each positioning seat is provided with a positioning groove suitable for being in plug-in fit with a U-shaped pipe, and the shape of each positioning groove is matched with one end of the U-shaped pipe.
According to some embodiments of the present invention, the turnover driving device includes a rotating shaft and a turnover driving motor for driving the rotating shaft to rotate, the rotating shaft is pivoted to the base, the rotating shaft is fixedly connected to the vertically disposed supporting frame, the turnover driving motor is disposed on the base, and an output shaft of the turnover driving motor is connected to the rotating shaft to drive the rotating shaft to rotate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a heat exchanger constructed in accordance with an embodiment of the present invention;
FIG. 2 is a perspective view of an exemplary heat exchanger constructed in accordance with an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a perspective view of an embodiment of the present invention;
FIG. 5 is an exploded view of an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a base and a workpiece carrier attached thereto in accordance with an embodiment of the invention;
FIG. 7 is a side view of the structure shown in FIG. 6;
FIG. 8 is a perspective view of a welding gun and a welding gun moving platform according to an embodiment of the present invention;
FIG. 9 is an enlarged view of FIG. 8 at B;
FIG. 10 is a schematic view of a loop conductor as an induction welding head into position for welding a small U-tube;
FIG. 11 is a schematic perspective view of a workpiece carrier according to an embodiment of the invention;
FIG. 12 is an exploded view of a work carrier according to an embodiment of the present invention;
FIG. 13 is a schematic perspective view of a splice unit according to an embodiment of the present invention;
fig. 14 is an enlarged schematic view of fig. 12 at C.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, which shows a schematic structural principle of a heat exchanger 100, the heat exchanger 100 includes a housing 101, large U tubes 102 and small U tubes 103, the large U tubes 102 are installed in parallel in the housing 101, and the small U tubes 103 are connected to ends of the large U tubes 102 and connect the large U tubes 102 in parallel in series to form a continuously connected pipeline. The junction 104 of the small U tube 103 and the large U tube 102 requires a welding process. Before the welding process, a copper ring as a solder is fitted to the end of the small U tube 103, and the end of the small U tube 103 is inserted into the end of the large U tube 102.
Referring to fig. 2 and 3, a heat exchanger 100 of a specific structure according to the present invention is shown. Wherein the housing 101 is square and the small U-tubes 103 are concentrated at one end face of the housing 101.
Referring to fig. 4 to 8, a small U-tube welding machine of a heat exchanger includes: a frame 1; the base 2 can be pivoted to the frame 1 in a transverse plane in a rotating way; the base driving device 3 is arranged on the frame 1 and can drive the base 2 to rotate; the workpiece loading frames 4 are arranged in two numbers, the workpiece loading frames 4 are arranged around the pivoting axis of the base 2, the workpiece loading frames 4 are pivoted to the base 2 and can rotate in a vertical plane, and the workpiece loading frames 4 have horizontal positions and vertical positions; the overturning driving device 5 is arranged on the base 2 and can drive the workpiece loading frame 4 to rotate so as to enable the workpiece loading frame 4 to switch between a horizontal position and a vertical position; the welding gun moving device 7 is connected with the welding gun 6, the welding gun moving device 7 is connected with the rack 1 and can drive the welding gun 6 to move on the upper side of the workpiece loading frame 4, the lower side of the moving range of the welding gun 6 is configured to be a welding station, and when the base 2 rotates, the workpiece loading frame 4 enters the welding station by turns. It should be understood that vertical refers to up and down, horizontal refers to horizontal, and horizontal refers to the direction of the plane in which the front-to-back and left-to-right directions lie. Rotation in the transverse plane means that the direction of rotation is in the transverse plane and rotation in the vertical plane means that the direction of rotation is in the vertical plane. The center line a shown in the figure is the pivot axis of the base 2.
When welding is carried out, the heat exchanger 100 is flatly loaded on the workpiece loading frame 4 in a flat state, the end part of the small U-shaped tube 103 is sleeved with a copper ring used as a welding material and is inserted into the end part of the large U-shaped tube 102, the workpiece loading frame 4 is rotated and overturned to a vertical position through the overturning driving device 5, so that one end of the heat exchanger 100, inserted with the small U-shaped tube 103, faces upwards, the base driving device 3 drives the base 2 to rotate, so that the workpiece loading frame 4 is placed in a welding station, the welding gun 6 is moved through the welding gun moving device 7, the copper ring sleeved at the end part of the small U-shaped tube 103 is heated through the welding gun 6, so that the copper ring is melted and then permeates into a tube gap between the small U-shaped tube 103 and the large U-shaped tube 102, and the small U-shaped tube 103 and the large U. After the welding is finished, the base driving device 3 drives the base 2 to rotate, so that the heat exchanger 100 which is finished to be welded is rotated out of a welding station, the workpiece loading frame 4 is rotated and overturned to a horizontal position through the overturning driving device 5, the heat exchanger 100 which is finished to be welded is taken down, the heat exchanger 100 to be welded is continuously loaded, and the process is repeated, so that continuous production is carried out. The welding machine with the structure can effectively reduce the labor intensity of workers and improve the operation efficiency by completing station switching of the heat exchanger, adjustment of the processed posture and welding of the small U-shaped tube 103 through the mechanical mechanism, and is particularly suitable for large heat exchangers.
In this embodiment, the workpiece carrier 4 has a flat position (e.g., the left position of the workpiece carrier 4 in fig. 7), and the insertion of the small U-tube 103 can be performed in a flat state of the heat exchanger 100, which facilitates assembly, especially for some heat exchangers 100 having a relatively high height. The small U-tubes 103 can be inserted by a manual or industrial robot.
In this embodiment, two work carriers 4 are provided, and the welding of the small U-tubes 103 and the insertion of the small U-tubes 103 can be performed simultaneously. In other embodiments, more than two workpiece carriers 4 may be provided. Through setting up a plurality of work piece loading frame 4, realize the streamlined production of multistation operation, production efficiency is high. The number of the workpiece carriers 4 to be set is determined according to the size of the base 2 and the actual need.
Referring to fig. 8 and 9, in the present embodiment, the welding gun 6 includes an induction welding head, the induction welding head includes an annular conductor 61, the annular conductor 61 is transversely disposed, the annular conductor 61 includes a first U-shaped portion 611 and a second U-shaped portion 612, two ends of the first U-shaped portion 611 and two ends of the second U-shaped portion 612 are correspondingly connected to each other one by one to form a closed ring, and the input electrode 62 is connected to two positions where the first U-shaped portion 611 and the second U-shaped portion 612 are connected to each other.
Further referring to fig. 10, in the welding process of the small U-shaped tube 103, the annular conductor 61 as an induction welding head is moved by the welding gun moving device 7 and sleeved outside the small U-shaped tube 103, so that the first U-shaped portion 611 and the second U-shaped portion 612 surround two joints to be welded of the small U-shaped tube 103, respectively, and high-frequency current is input through the two input electrodes 62, the first U-shaped portion 611 and the second U-shaped portion 612 generate a changing magnetic field, so that induced current is generated at the two joints to be welded of the small U-shaped tube 103, and resistance heat is generated to melt the copper ring sleeved at the end of the small U-shaped tube 103, so that the small U-shaped tube 103 and the large U-shaped tube 102 are connected together. Through the induction welding joint with the structure, two joints of the small U pipe 103 which need to be welded can be welded at one time, and the efficiency is high.
In the present embodiment, the welding gun moving device 7 is a four-axis moving platform provided with a three-dimensional moving axis and a rotating axis that rotates about a vertical axis among the three-dimensional moving axis so that the induction welding head can move three-dimensionally and rotate about the vertical axis. The four-axis moving platform can drive the induction welding head to move in three dimensions, so that the induction welding head can move to different small U-shaped pipes 103 to be welded; on the basis of three-dimensional movement, the function of enabling the induction welding head to rotate around a vertical axis is added, and the small U-shaped pipes 103 with different angle positions can be welded in an adaptive mode.
In this embodiment, the four-axis moving platform includes an X-axis linear actuator 71, a Y-axis linear actuator 72, a Z-axis linear actuator 73, and an R-axis rotary actuator 74, the X-axis linear actuator 71 is disposed on the frame 1, the Y-axis linear actuator 72 is disposed on the X-axis linear actuator 71, the X-axis linear actuator 71 is used for driving the Y-axis linear actuator 72 to move left and right, the Z-axis linear actuator 73 is disposed on the Y-axis linear actuator 72, the Y-axis linear actuator 72 is used for driving the Z-axis linear actuator 73 to move back and forth, the R-axis rotary actuator 74 is disposed on the Z-axis linear actuator 73, the Z-axis linear actuator 73 is used for driving the R-axis rotary actuator 74 to move up and down, the induction welding head is disposed on a. The X-axis linear driver 71, the Y-axis linear driver 72, and the Z-axis linear driver 73 may be linear motors or lead screw linear moving platforms driven by motors, respectively, and the R-axis rotary driver 74 may be a motor, such as a stepping motor, a servo motor, or the like. There are also many four-axis mobile platforms in the art with three-dimensional movement and rotation about a movement axis, which can be directly used as desired with the existing mature products or can be self-assembled according to the above-described structure.
In other embodiments, the welding gun moving device 7 may also adopt an existing industrial robot, such as a six-axis robot; the welding torch 6 may have another welding torch structure as long as it can heat and melt the copper ring sleeved on the small U-shaped tube 103. In this embodiment, the copper ring is used as the solder, and in other embodiments, the solder of other materials can be used, and can be selected according to the requirement.
In the present embodiment, the frame 1 is provided with an elevating table mechanism 8, and the torch moving device 7 is provided with the elevating table mechanism 8. The position of the welding gun moving device 7 can be lifted through the lifting platform mechanism 8, so that the heat exchangers 100 with different heights can be flexibly adapted.
Referring to fig. 5, in the present embodiment, the lifting table mechanism 8 includes a lifting table 81, two lead screws 82, and lead screw driving motors 83 for respectively driving the two lead screws 82 to rotate; the two lead screws 82 are vertically arranged and pivoted on two sides of the frame 1, the lifting platform 81 can be movably connected to the frame 1 in a vertically moving mode, lead screw nuts are respectively fixed on two sides of the lifting platform 81, the two lead screw nuts are matched with the two lead screws 82 in a one-to-one correspondence mode, the two lead screw driving motors 83 are arranged on the frame 1, and output shafts of the two lead screw driving motors 83 are respectively connected with the two lead screws 82 to respectively drive the two lead screws 82 to rotate. Adopt two lead screws 82 to drive elevating platform 81 and go up and down, bearing capacity is strong, goes up and down more steadily. In other embodiments, other lifting platform mechanisms may be used, and are not limited to the solution provided in this embodiment.
In this embodiment, a guide post is disposed on the frame 1, a sliding sleeve is disposed on the lifting platform 81, and the lifting platform 81 is movably connected to the frame 1 in a vertically moving manner through the sliding connection between the sliding sleeve and the guide post. In other embodiments, the cooperation of the sliding groove and the sliding block can also be used to realize the movable connection of the lifting platform 81 to the frame 1 in the up-and-down movement manner. There are many ways in the art to achieve an articulation in which one member can move up and down relative to another member, not illustrated here.
In the embodiment, the output shaft of the screw rod driving motor 83 can be coupled with the screw rod 82 through a gear box, so that the screw rod driving motor 83 drives the screw rod 82 to rotate. The lead screw driving motor 83 may also be connected with the lead screw 82 through other connecting structures, such as a coaxial connection through a coupler, a belt transmission, a worm and gear transmission, and the like. In the art, there are many implementations of driving the screw rod to rotate by a motor, which are not illustrated here.
In the present embodiment, the base 2 is connected to the frame 1 through the slewing bearing 9, the inner ring of the slewing bearing 9 is fixed to the frame 1, the outer ring of the slewing bearing 9 is fixed to the base 2, the base driving device 3 includes a base driving motor, the base driving motor is arranged on the frame 1, and the output shaft of the base driving motor is connected with the outer ring of the slewing bearing 9 so as to drive the outer ring of the slewing bearing 9 to rotate. In this embodiment, the output shaft of the base driving motor and the outer ring of the slewing bearing 9 can be driven through a gear structure, specifically, a driving gear is arranged on the output shaft of the base driving motor, a gear ring is arranged on the outer periphery of the outer ring of the slewing bearing 9, and the base driving motor drives the outer ring of the slewing bearing 9 to rotate through the meshing cooperation of the driving gear and the gear ring. In other embodiments, the output shaft of the base driving motor and the outer ring of the slewing bearing 9 can be coupled through friction transmission, belt transmission or other suitable structures. There are many ways in the art to drive a member to rotate by a motor, which are not illustrated here.
Referring to fig. 11 and 12, in the present embodiment, the workpiece loading frame 4 includes a horizontal support frame 41 and a vertical support frame 42, the horizontal support frame 41 includes a plurality of splicing units 411, the splicing units 411 are arranged in a row, adjacent splicing units 411 are detachably connected, the horizontal support frame 41 is vertically connected to the vertical support frame 42, the horizontal support frame 41 is horizontally disposed when the workpiece loading frame 4 is in a horizontal position, the vertical support frame 42 is horizontally disposed when the workpiece loading frame 4 is in a vertical position, and the workpiece clamping mechanism 43 is disposed on the workpiece loading frame 4. In this embodiment, the horizontal supporting frame 41 is assembled by two splicing units 411, and in other embodiments, the number of the splicing units 411 can be adjusted according to the requirement. Through the structure, the splicing units 411 with different numbers can be spliced, so that the length of the horizontal support frame 41 is increased, and the heat exchanger 100 with different lengths can be flexibly used. The horizontal support frame 41 can support the heat exchanger 100 horizontally when the workpiece carrier 4 is in the horizontal position, and the heat exchanger 100 is supported by the vertical support frame 42 when the workpiece carrier 4 is tilted to the vertical position.
In this embodiment, two end portions of each splicing unit 411 are provided with a flange portion 4111, each flange portion 4111 is provided with a through hole for a bolt to pass through, and the flange portions 4111 of adjacent splicing units 411 are abutted and connected through bolts and nuts. In other embodiments, the adjacent splicing units 411 can be detachably connected by plugging, clamping, or the like. There are many ways in the art to achieve a detachable connection of two members, which are not illustrated here.
Referring to fig. 13, in this embodiment, a workpiece clamping mechanism 43 is disposed on at least one splicing unit 411, the workpiece clamping mechanism 43 includes a pair of clamping members 431 and a pair of clamping cylinders 432, the pair of clamping cylinders 432 are disposed on two sides of the splicing unit 411 and are disposed oppositely, and the pair of clamping members 431 are connected with the cylinder rods of the pair of clamping cylinders 432 in a one-to-one correspondence manner and can be driven by the clamping cylinders 432 to approach or separate from each other. In the present embodiment, a work holding mechanism 4 is provided on each of the splicing units 411. In other embodiments, one or more of the splicing units 411 may be provided with a workpiece clamping mechanism 4, which is configured according to actual needs. By providing the workpiece holding mechanism 43 on the workpiece loading rack 4, the heat exchanger 100 is positionally stabilized when it is switched. The work holding mechanism 43 holds the heat exchanger 100 by driving the holding members 431 to approach each other by the holding cylinder 432, and releases the heat exchanger 100 when the holding cylinder 432 drives the holding members 431 to move away from each other. In other embodiments, the workpiece holding mechanism 43 may have other configurations, and there are many configurations known in the art for holding workpieces, which are not illustrated here.
Referring to fig. 14, in the present embodiment, the vertical supporting frame 42 includes a base 421 and a plurality of positioning seats 422, the positioning seats 422 are fixed on the base 421, the positioning seats 422 are provided with positioning grooves 4221 adapted to be inserted into and matched with the U-shaped tubes, and the shapes of the positioning grooves 4221 are adapted to one ends of the U-shapes of the U-shaped tubes. For some heat exchangers, the U-shaped tube is exposed out of the end face of the heat exchanger shell, and the positioning groove 4221 of the positioning seat 422 is in inserting fit with one end of the U-shaped tube, so that the heat exchanger is accurately positioned, and the operation precision is improved. In the embodiment, the positioning groove 4221 of the positioning seat 422 is correspondingly positioned on the large U-shaped tube 102, and when the workpiece loading frame 4 is turned to the vertical position, the positioning seat 422 correspondingly plays a role in supporting.
In this embodiment, the vertical support frame 42 is provided with a plurality of adjustment mounting holes 4211, the positioning seat 422 is mounted in the adjustment mounting holes 4211, and the mounting position of the positioning seat 422 is adjusted by the plurality of adjustment mounting holes 4211, so that different heat exchangers can be flexibly handled. In this embodiment, the positioning seat 422 may be connected to the adjustment mounting hole 4211 by plugging or screwing.
Referring to fig. 5, in the present embodiment, the flipping driving device 5 includes a rotating shaft 51 and a flipping driving motor 52 for driving the rotating shaft 51 to rotate, the rotating shaft 51 is pivoted to the base 2, the rotating shaft 51 is fixedly connected to the upright supporting frame 42, the flipping driving motor 52 is disposed on the base 2, and an output shaft of the flipping driving motor 52 is connected to the rotating shaft 51 to drive the rotating shaft 51 to rotate. In the present embodiment, the output shaft of the tumble drive motor 52 is coupled to the rotating shaft 51 through a gear box, thereby driving the rotating shaft 51 to rotate. In other embodiments, the flipping driving motor 52 may also be coupled to the rotating shaft 51 through a belt transmission, a coaxial coupling, or the like, so as to drive the rotating shaft 51 to rotate. There are many other implementations in the art in which a shaft is driven to rotate by a motor, which are not illustrated here.
In the present embodiment, two work carriers 4 are provided, and two turnover driving devices 5 are provided correspondingly. If another number of workpiece carriers 4 are provided, the corresponding number is provided for the tumble drive 5. In other embodiments, the turnover driving device 5 may also be of other structures, such as a reciprocating link mechanism, and the workpiece loading frame 4 is pulled to be turned through the link mechanism. There are many other ways in the art to drive a member to rotate and thereby invert, not to mention here.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911242728.4A CN111168219A (en) | 2019-12-06 | 2019-12-06 | Small U Tube Welding Machine for Heat Exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911242728.4A CN111168219A (en) | 2019-12-06 | 2019-12-06 | Small U Tube Welding Machine for Heat Exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111168219A true CN111168219A (en) | 2020-05-19 |
Family
ID=70622296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911242728.4A Pending CN111168219A (en) | 2019-12-06 | 2019-12-06 | Small U Tube Welding Machine for Heat Exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111168219A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890218A (en) * | 1994-09-27 | 1996-04-09 | Miyaden:Kk | Method for brazing bent tube for heat exchanger, apparatus therefor and heating coil for brazing |
| JP2006194543A (en) * | 2005-01-14 | 2006-07-27 | Nagase Chemtex Corp | Method of manufacturing heat exchanger |
| CN102658408A (en) * | 2012-04-20 | 2012-09-12 | 绍兴亨特铝热交换技术有限公司 | Method for brazing aluminum pipe joint |
| CN204843407U (en) * | 2015-06-19 | 2015-12-09 | 郑州科林车用空调有限公司 | Tee bend subassembly welding position frock of overhead big bus air conditioner heat exchanger |
| WO2017018438A1 (en) * | 2015-07-30 | 2017-02-02 | 株式会社デンソー | Heat exchanger and method for producing same |
| CN206779780U (en) * | 2016-11-28 | 2017-12-22 | 珠海瑞凌焊接自动化有限公司 | Full gas dynamic triaxial positioner |
| CN208450805U (en) * | 2018-05-31 | 2019-02-01 | 广州德恒汽车装备科技有限公司 | Arc welding rotary device |
| CN208772840U (en) * | 2018-08-16 | 2019-04-23 | 济南诺斯机械有限公司 | A kind of three axis servo positioner of double-station |
| CN110170776A (en) * | 2019-06-27 | 2019-08-27 | 佛山市固高自动化技术有限公司 | A kind of three axis rotation welding production line of guide rail steel pedal |
| CN211915810U (en) * | 2019-12-06 | 2020-11-13 | 中山市裕隆智能科技有限公司 | Small U-shaped pipe welding machine of heat exchanger |
-
2019
- 2019-12-06 CN CN201911242728.4A patent/CN111168219A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890218A (en) * | 1994-09-27 | 1996-04-09 | Miyaden:Kk | Method for brazing bent tube for heat exchanger, apparatus therefor and heating coil for brazing |
| JP2006194543A (en) * | 2005-01-14 | 2006-07-27 | Nagase Chemtex Corp | Method of manufacturing heat exchanger |
| CN102658408A (en) * | 2012-04-20 | 2012-09-12 | 绍兴亨特铝热交换技术有限公司 | Method for brazing aluminum pipe joint |
| CN204843407U (en) * | 2015-06-19 | 2015-12-09 | 郑州科林车用空调有限公司 | Tee bend subassembly welding position frock of overhead big bus air conditioner heat exchanger |
| WO2017018438A1 (en) * | 2015-07-30 | 2017-02-02 | 株式会社デンソー | Heat exchanger and method for producing same |
| CN206779780U (en) * | 2016-11-28 | 2017-12-22 | 珠海瑞凌焊接自动化有限公司 | Full gas dynamic triaxial positioner |
| CN208450805U (en) * | 2018-05-31 | 2019-02-01 | 广州德恒汽车装备科技有限公司 | Arc welding rotary device |
| CN208772840U (en) * | 2018-08-16 | 2019-04-23 | 济南诺斯机械有限公司 | A kind of three axis servo positioner of double-station |
| CN110170776A (en) * | 2019-06-27 | 2019-08-27 | 佛山市固高自动化技术有限公司 | A kind of three axis rotation welding production line of guide rail steel pedal |
| CN211915810U (en) * | 2019-12-06 | 2020-11-13 | 中山市裕隆智能科技有限公司 | Small U-shaped pipe welding machine of heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110076490B (en) | Flexible welding workstation of intelligent robot for bins | |
| CN107378191B (en) | A pipe fitting welding device, welding system and welding method | |
| CN204321456U (en) | Dual Drive rush-harvesting and rush-planting plate cylindrical welding equipment | |
| CN114161017A (en) | Automatic welding equipment and welding method for movable arm structural part of large excavator | |
| CN118617015A (en) | An intelligent welding platform for special-shaped pipe fittings | |
| CN211915810U (en) | Small U-shaped pipe welding machine of heat exchanger | |
| CN111168219A (en) | Small U Tube Welding Machine for Heat Exchanger | |
| CN113258402B (en) | Production line and production process for wind power slip ring | |
| CN117923771B (en) | Quartz tube welding device and welding method | |
| CN117399830B (en) | Numerical control automatic welding equipment for heat exchanger tube plates | |
| CN215034477U (en) | Robot laser welding machine for welding long pipes | |
| CN111673340A (en) | Welding robot | |
| CN118543974A (en) | Shell and tube heat exchanger welding device | |
| CN214978373U (en) | DC soldering machine handle swing buffer structure | |
| CN114211145B (en) | Welding equipment for automatically welding round pipe or pipe ball connecting piece | |
| CN214291696U (en) | Five servo machine of shifting | |
| CN206105125U (en) | Radiator welding set is used to light card | |
| CN105171724B (en) | Grabbing and stacking manipulator for fin assembly | |
| CN116175040A (en) | Robot welding workstation for gas cylinder container basket | |
| CN219945147U (en) | Intercooler core flexible fixture and intercooler welding equipment | |
| CN217618613U (en) | Automatic welding system | |
| CN220093497U (en) | Full-automatic deep hole welding device | |
| CN221695581U (en) | Electronic spot welding machine control device | |
| CN219818655U (en) | A kind of arc top heat exchanger end cover assembly and welding tool | |
| CN216441904U (en) | Multi-axis welding machining center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20250822 |
|
| AD01 | Patent right deemed abandoned |