CN211028687U - Welding system for heat exchange pipe - Google Patents
Welding system for heat exchange pipe Download PDFInfo
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- CN211028687U CN211028687U CN201922071731.6U CN201922071731U CN211028687U CN 211028687 U CN211028687 U CN 211028687U CN 201922071731 U CN201922071731 U CN 201922071731U CN 211028687 U CN211028687 U CN 211028687U
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Abstract
The utility model relates to a welding system for heat exchange tube, including a clamping device for installing the tube sheet, a conveying device which is arranged at one side of the clamping device and is used for conveying heat exchange tubes and enabling each heat exchange tube to correspond to the welding holes on the tube sheet one by one, and a positioning welding device which is arranged at the other side of the clamping device and is used for detecting the center of the inner hole of each heat exchange tube and welding the heat exchange tubes and the tube sheet; the positioning welding device comprises racks arranged at intervals, a rotary barrel which is rotationally connected between the racks and driven by a first motor, a crosshead positioning device which is arranged on the circumferential outer side wall of the rotary barrel and used for detecting the center of an inner hole of a heat exchange tube, a welding device which is arranged on the rotary barrel and used for welding the heat exchange tube and a tube plate, and a control module which is arranged in the rotary barrel and used for controlling the crosshead positioning device, the welding device and the first motor to run in a matched mode; the utility model has the advantages that: the welding efficiency is high, and the welding quality is greatly improved by fixing the clamping device.
Description
Technical Field
The utility model relates to a heat exchange tube welding technology field, in particular to welding system for heat exchange tube.
Background
Tube-sheet heat exchanger is an energy-saving device for realizing heat transfer between materials, and at present, the manufacturing method of the tube-sheet heat exchanger is to weld a heat exchange tube and a tube sheet, but in the welding process, a welding gun needs to know the position of each tube hole (the process is called as positioning), so as to realize welding the positions, and at present, the known positioning method has the method of adopting visual positioning, namely: during welding, position data of inner holes of the heat exchange tubes are acquired by adopting a photographing mode, and the welding guns are moved to specified positions according to the data to perform welding; however, when the second pass is welded, the surface of the first pass of welding seam needs to be polished, otherwise, because the surface of the previous pass of welding seam is blackened, a vision system is difficult to acquire information, and the second pass of welding seam is difficult to position, so that the defect of low welding efficiency exists; moreover, in the welding process, the fixing of the heat exchange tube is mainly completed manually, which is not only hard, but also has poor positioning effect with the inner hole of the tube plate, thus affecting the welding effect.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a welding system for heat exchange tube aims at solving the problem that appears in the above-mentioned background art.
The technical scheme of the utility model is realized like this: a welding system for heat exchange tubes is characterized in that: the device comprises a clamping device for mounting a tube plate, a conveying device which is arranged on one side of the clamping device and used for conveying heat exchange tubes and enabling the heat exchange tubes to correspond to welding holes in the tube plate one by one, and a positioning welding device which is arranged on the other side of the clamping device and used for detecting the centers of inner holes of the heat exchange tubes and welding the heat exchange tubes and the tube plate; wherein, the fixed-position welding device includes that the interval sets up the frame, rotates to connect between the frame and through a motor drive's rotatory section of thick bamboo, install in rotatory section of thick bamboo circumference lateral wall just is used for detecting the cross head positioner at heat exchange tube hole center, install in rotatory section of thick bamboo is used for welding heat exchange tube and the welding set of tube sheet and locates in the rotatory section of thick bamboo just is used for controlling the control module of cross head positioner, welding set and the cooperation operation of first motor.
Preferably: crosshead positioning device includes fixed connection in first fixed station, fixed connection on the rotatory section of thick bamboo lateral wall in first cylinder, fixed connection on the first fixed station and through control module control first cylinder, fixed connection in the first fixed plate of first cylinder output, install in second motor, two interval fixed connection on the first fixed plate in just be located the mounting panel of second motor both sides on the first fixed plate, locate sliding port, fixed connection on each mounting panel the turbine of second motor output, locate between the mounting panel and with each sliding port interval set up and with turbine complex worm, with worm both ends fixed connection just pass respectively from each sliding port and with each sliding port sliding connection's sliding shaft and fixed connection in the sliding shaft is close to the crosshead positioning module of clamping device one side.
Preferably: the crosshead positioning module comprises a first detection plate fixedly connected with one end of the sliding shaft, a longitudinal sliding chute longitudinally recessed and arranged on one side of the first detection plate far away from the sliding shaft, a second detection plate connected with the longitudinal sliding chute in a sliding manner through a first slider, third detection plates fixedly connected with the end surfaces of the second detection plates far away from the first detection plate at intervals, and transverse sliding chutes respectively recessed and arranged on opposite sides of the third detection plates and extending transversely, the detection device comprises a base plate, a base shaft, a sliding cavity, a detection shaft and a detection body, wherein the base plate is connected with each transverse sliding chute in a sliding mode through a second sliding block, the base shaft is fixedly connected to the end face, far away from the second detection plate, of the base plate, the sliding cavity is arranged at the free end of the base shaft in a recessed mode, the detection shaft is arranged in the sliding cavity, is connected with the wall of the sliding cavity in a sliding mode, partially exposes out of the sliding cavity, and the detection body is fixedly connected; the detection units electrically connected with the control module are arranged on the cavity bottom of the sliding cavity, the groove wall of the longitudinal sliding groove and the groove wall of the transverse sliding groove; the detection unit comprises a first detection pressure block fixedly connected with the cavity bottom of the sliding cavity, the groove wall of the longitudinal sliding groove and the groove wall of the transverse sliding groove through a compression spring, a pressure sensor fixedly connected to the first detection pressure block and electrically connected with the control module, and a second detection pressure clamping block fixedly connected to the pressure sensor and respectively contacted with the first sliding block, the second sliding block or the detection shaft.
Preferably: the welding device comprises a second fixed table, a second air cylinder, a second fixed plate, a horizontal air cylinder, a first movable plate, a second movable plate and a welding gun, wherein the second fixed table is fixedly connected to the outer side wall of the rotary cylinder and is arranged at an interval with the first fixed table, the second air cylinder is fixedly connected to the second fixed table and is controlled by a control module, the second fixed plate is fixedly connected to the output end of the second air cylinder, the horizontal air cylinder is fixedly connected to the second fixed plate, the first movable plate is fixedly connected to the output end of the horizontal air cylinder, the second movable plate is connected with the second movable plate in a sliding mode, the second movable plate is connected to the end face, far away from the first movable plate, of the second movable plate, the third movable plate is connected with.
Preferably: the clamping device comprises a rack, an operating platform arranged on the rack, a rectangular opening arranged on the operating platform, a fourth air cylinder fixedly connected to the rack and positioned below the rectangular opening, a motor mounting seat fixedly connected to an output end of the fourth air cylinder, a servo motor fixedly connected to the motor mounting seat, a supporting block fixedly connected to an output end of the servo motor and matched with the rectangular opening, a supporting plate longitudinally extending from the edge of the rectangular opening, and a clamping module arranged on the supporting block and used for mounting a tube plate.
Preferably: the clamping module comprises a bottom block which can be placed on the supporting block and is matched with the rectangular opening, a supporting rod which is fixedly connected to the bottom block and extends longitudinally, a clamping plate which is fixedly connected with the free end of the supporting rod and is in an arc shape, and an arc-shaped groove which is arranged on the end face, far away from the supporting rod, of the clamping plate and extends along the clamping plate; spacing openings penetrating through two sides of the clamping plate are formed in the groove walls of two sides of the arc-shaped groove at equal intervals, a part of each spacing opening movably extends into the arc-shaped groove and is provided with a clamping block controlled by a fifth cylinder, and conical anti-skid protrusions are uniformly distributed on the end face, far away from the fifth cylinders, of each clamping block.
Preferably: the conveying device comprises a mounting frame, a fifth air cylinder for lifting the mounting frame, a transmission roller which is rotatably connected to the mounting frame and driven by a third motor, a conveying belt paved on the transmission roller, and a plurality of groups of clamping and mounting parts which are arranged on the conveying belt and used for mounting heat exchange tubes; the mounting part comprises two mounting blocks which are mounted on the conveying belt at intervals and have the length equal to the diameter of the tube plate, a plurality of mounting grooves which are respectively arranged on the mounting blocks, correspond to the mounting grooves one by one and are aligned with the welding holes in the tube plate, and rubber limiting bulges which are mounted on the groove walls on two sides of each mounting groove at intervals.
By adopting the technical scheme: the crosshead positioning module is used for positioning an inner hole of a tube plate, the moving position of the crosshead positioning module is detected through the pressure sensor, detected data are fed back to the control module, the control module receives detection signals, calculates the moving position of a detection end of the crosshead positioning module and feeds the calculated structure back to an executing mechanism (namely, a second cylinder, a horizontal cylinder, a third cylinder and a fourth cylinder) of the welding device, and the executing mechanism sends a welding gun to a specified position, so that accurate positioning is achieved, a first welding seam is not needed to be polished, the accurate position of a heat exchange tube and the inner hole of the tube plate can be detected, and welding efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
FIG. 4 is an enlarged view of the portion C of FIG. 3;
FIG. 5 is an enlarged view of section D of FIG. 2;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is an enlarged view of section E of FIG. 1;
fig. 8 is a schematic side view of a clamping plate according to embodiment 1 of the present invention;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 7;
FIG. 10 is an enlarged view of portion F of FIG. 1;
fig. 11 is a cross-sectional view taken along line C-C of fig. 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 11, the present invention discloses a welding system for heat exchange tubes, in the embodiment of the present invention, the welding system comprises a holding device 2 for mounting a tube sheet 1, a conveying device 3 disposed on one side of the holding device 2 and used for conveying heat exchange tubes 10 and making each heat exchange tube 10 correspond to a welding hole on the tube sheet 1 one by one, and a positioning welding device 4 disposed on the other side of the holding device 2 and used for detecting the center of an inner hole of each heat exchange tube 10 and welding the heat exchange tubes 10 and the tube sheet 1; wherein, the fixed-position welding device 4 includes that the frame 40 that the interval set up, rotate and connect between frame 40 and through first motor drive's rotatory section of thick bamboo 41, install in rotatory 41 circumference lateral wall just is used for detecting the cross head positioner 42 at heat exchange tube 10 hole center, install in rotatory 41 is used for welding heat exchange tube 11 and tube sheet 1's welding set 43 and locates in rotatory 41 and be used for controlling cross head positioner 42, welding set 43 and the control module 44 of first motor cooperation operation.
In the embodiment of the present invention, the crosshead positioning device 42 includes a first fixing table 421 fixedly connected to the outer sidewall of the rotating cylinder 41, a first cylinder 422 fixedly connected to the first fixing table 421 and controlled by the control module 44, a first fixing plate 423 fixedly connected to the output end of the first cylinder 422, a second motor 424 installed on the first fixing plate 423, two mounting plates 425 fixedly connected to the first fixing plate 423 and located at two sides of the second motor 424, sliding ports 426 installed on the mounting plates 425, a turbine 427 fixedly connected to the output end of the second motor 424, a worm 428 installed between the mounting plates 425 and spaced from the sliding ports 426 and engaged with the turbine 427, a sliding shaft 429 fixedly connected to two ends of the worm 428 and respectively passing through the sliding ports 426 and slidably connected to the sliding ports 426, and a sliding shaft 429 fixedly connected to one side of the sliding shaft 429 close to the clamping device 2 And a positioning module 42 a.
In the embodiment of the present invention, the crosshead positioning module 42a includes a first detecting plate 420a fixedly connected to one end of the sliding shaft 429, a longitudinal sliding slot 421a longitudinally recessed and located on a side of the sliding shaft 429 away from the first detecting plate 420a, a second detecting plate 423a slidably connected to the longitudinal sliding slot 421a through a first slider 422a, a third detecting plate 424a fixedly connected to an end surface of the second detecting plate 423a away from the first detecting plate 420a at an interval, a transverse sliding slot 425a recessed and located on an opposite side of each third detecting plate 424a and extending transversely, a substrate 427a slidably connected to each transverse sliding slot 425a through a second slider 426a, a base shaft 428a fixedly connected to the end surface of the substrate 427a away from the second detecting plate 423a, a sliding cavity 429a recessed and located in the sliding cavity 429a and slidably connected to a cavity wall of the sliding cavity 429a and partially exposed out of the sliding cavity 429a A shaft 4200a and a detection body 4201a fixedly connected to a free end of the detection shaft 4200a and having a "conical" shape; the bottom of the sliding cavity 429a, the wall of the longitudinal sliding groove 421a, and the wall of the transverse sliding groove 425a are all provided with a detection unit 42b electrically connected with the control module 44; the detecting unit 42b includes a first detecting pressure block 421b fixedly connected to the bottom of the sliding cavity 429a, the groove wall of the longitudinal sliding groove 421a and the groove wall of the transverse sliding groove 425a through a compression spring 420b, a pressure sensor 422b fixedly connected to the first detecting pressure block 421b and electrically connected to the control module 44, and a second detecting pressure block 423b fixedly connected to the pressure sensor 422b and respectively contacting the first sliding block 422a, the second sliding block 426a or the detecting shaft 4200 a.
In the embodiment of the present invention, the welding device 43 comprises a second fixing table 431 fixedly connected to the outer sidewall of the rotary cylinder 41 and spaced apart from the first fixing table 421, a second cylinder 432 fixedly connected to the second fixing table 431 and controlled by the control module 44, a second fixing plate 433 fixedly connected to the output end of the second cylinder 432, a horizontal cylinder 434 fixedly connected to the second fixing plate 433, a first moving plate 435 fixedly connected to the output end of the horizontal cylinder 434, a second moving plate 437 which is driven by a third cylinder 436 to slide longitudinally is slidably connected to the first moving plate 435, a third moving plate 439 which is driven by a fourth cylinder 438 to slide transversely is slidably connected to the end surface of the second moving plate 437 far away from the first moving plate 435, and a welding gun 43a which is mounted on the third moving plate 439 and is used for welding the heat exchange tube 10 and the tube plate 1.
In the embodiment of the present invention, the clamping device 2 includes a frame 20, an operation table 21 installed on the frame 20, and a rectangular opening 22 and a fixed connection on the operation table 21, which are fixed on the frame 20 and located on the fourth cylinder 23 and the lower side of the rectangular opening 22, which are fixed on the motor mounting seat 24 and the output end of the fourth cylinder 23, which are fixed on the motor mounting seat 24, a servo motor 25 and a support block 26 fixed on the output end of the servo motor 25 and adapted to the rectangular opening 22, a support plate 27 longitudinally extending along the edge of the rectangular opening 22, and a clamping module 28 placed on the support block 26 and used for installing the tube plate 1.
In the embodiment of the present invention, the clamping module 28 includes a bottom block 280 that can be placed on the supporting block 26 and is adapted to the rectangular opening 22, a supporting rod 281 that is fixedly connected to the bottom block 280 and extends longitudinally, a clamping plate 282 that is fixedly connected to a free end of the supporting rod 281 and has an "arc" shape, and an arc groove 283 that is disposed on an end surface of the clamping plate 282 away from the supporting rod 281 and extends along the clamping plate; spacing holes 284 penetrating through two sides of the clamping plate 282 are formed in the groove walls of two sides of the arc-shaped groove 283 at equal intervals, a clamping block 286 which is partially extended into the arc-shaped groove 283 and controlled by the fifth air cylinder 285 moves in each spacing hole 284, and conical anti-skid protrusions 287 are uniformly distributed on the end face, far away from each fifth air cylinder 285, of each clamping block 286.
In the embodiment of the present invention, the conveying device 3 comprises a mounting frame 30, a fifth cylinder 31 for lifting the mounting frame 30, a driving roller 32 rotatably connected to the mounting frame 30 and driven by a third motor, a conveying belt 33 laid on the driving roller 32, and a plurality of clamping and mounting portions 34 mounted on the conveying belt 33 and used for mounting the heat exchange tube 10, wherein the mounting portions 34 comprise two mounting blocks 340 mounted on the conveying belt 33 at intervals and having a length L1 equal to the diameter L2 of the tube sheet 1, a plurality of mounting grooves 341 respectively mounted on the mounting blocks 340 and aligned with the welding holes 1a of the tube sheet 1, and rubber limiting protrusions 342 mounted on the walls of both sides of the mounting grooves 341 at intervals.
By adopting the technical scheme: the method comprises the following steps that a crosshead positioning module is used for positioning an inner hole of a tube plate, the moving position of the crosshead positioning module is detected through a pressure sensor, detected data are fed back to a control module, the control module receives detection signals, calculates the moving position of a detection end of the crosshead positioning module and feeds back the calculated structure to an executing mechanism (namely, a second air cylinder, a horizontal air cylinder, a third air cylinder and a fourth air cylinder) of a welding device, and the executing mechanism sends a welding gun to a specified position, so that accurate positioning is realized, a first welding seam is not needed to be polished, the accurate positions of a heat exchange tube and the inner hole of the tube plate can be detected, and the welding efficiency is improved;
in more detail:
the working principle of the embodiment 1 is as follows:
referring to fig. 1, when welding, the tube plate to be welded is first installed in the arc-shaped groove, and the welding hole on the tube plate is exposed out of the arc-shaped groove (refer to fig. 8), after the tube plate is installed, the bottom block is placed on the supporting block through the rectangular opening, the servo motor is lowered through the fourth cylinder, the bottom block passes through the rectangular opening, and the servo motor drives the supporting block to rotate, so that the bottom block and the rectangular opening are arranged in a staggered manner, and the servo motor is driven to do the above-mentioned operation again through the fourth cylinder, so that the bottom block is contacted with the bottom of the operation table, further fixing the bottom of the clamping module is completed, and finally, the fifth air cylinders arranged on the two sides of the clamping plate drive the clamping blocks to move in the limiting ports (refer to figure 7), the tapered anti-skid protrusions arranged at the end parts of the clamping blocks are in contact with the tube plates, so that the tube plates are fixed (the tapered anti-skid protrusions arranged at the end parts of the clamping blocks can improve the fixing effect of the tube plates);
after the tube plate is fixed, the heat exchange tube to be welded with the tube plate is placed in the mounting groove correspondingly arranged in the mounting block, the heat exchange tube is fixed through the rubber limiting protrusion arranged in the mounting groove, after the heat exchange tube is mounted, the mounting frame is driven to ascend through the fifth cylinder (refer to the figure 10), so that the conveying belt corresponds to the highest welding hole in the tube plate and drives the conveying belt to run, the heat exchange tube is driven to move towards the tube plate, and the heat exchange tube is in contact with and faces the welding hole in the tube plate;
when the heat exchange tube is contacted with the welding hole on the tube plate, the rotary cylinder is rotated to enable the crosshead positioning module to be close to the clamping device, the first fixing plate is driven to lift through the first air cylinder, the detection body is enabled to move to the position which is approximately the same as the welding hole to be welded with the tube plate, the worm is driven to move through the rotation of the second motor driving the worm, the sliding shaft at one end of the worm drives the detection body to move towards the welding hole on the tube plate until the detection body enters the welding hole, because the detection body is conical, when a certain point of the detection body is contacted with the inner hole of the tube, because of the detection body and two groups of sliders (namely the first slider and the second slider) which are vertically connected with each other, the axial force initially received by the detection body is decomposed into radial force to push the detection body to move towards the center of the tube (namely the heat exchange tube, the center of the detection body is coincided with the center of the pipe, the center of the detection body at the moment is the center of the pipe, when the detection body moves, the detection body can be decomposed into radial force and axial force which are respectively transmitted to each pressure sensor, when the pressure sensors are stressed, the position where the detection body moves can be calculated through the control module according to the pressure of each pressure sensor, the numerical value is transmitted to the welding device, after the welding device receives a signal, the rotary cylinder rotates to a half circle, the welding device is enabled to be close to the clamping device (namely, the pipe plate), the second air cylinder is the same as the first air cylinder, the position where the second fixed table moves before the first fixed table is controlled (namely, the same stroke of the first air cylinder and the second air cylinder can be controlled), and as the horizontal air cylinder, the third air cylinder and the fourth air cylinder are controlled by the control module, the three parts receive the numerical value calculated by the control module to start moving, respectively control the first moving plate, the second moving plate and the third moving plate to move for proper strokes to reach the center of a welding hole of the heat exchange tube and the tube plate, and when the center of the heat exchange tube is found (namely, the positioning work is finished), the heat exchange tube and the tube plate can be welded by a welding gun;
in conclusion, when the center of the heat exchange tube is searched, the heat exchange tube does not need to be polished after the first welding, so that the middle step is omitted, and the welding efficiency is improved; moreover, the tube plate and the heat exchange tube are fixed by the clamping device and the conveying device during welding respectively, and compared with manual fixing, the fixing effect is more in place, so that the welding effect is ensured;
in addition, the welding means adopted in the present embodiment is: welding hole of welding pipe sheet top is in the welding hole of welding pipe sheet below earlier, through top-down's welding mode, can guarantee welded efficiency, moreover, each mounting groove that sets up on the installation piece can correspond with the welding hole one-to-one that the arbitrary diameter of pipe sheet corresponds, when the transportation heat exchange tube, can guarantee that the heat exchange tube lies in the pipe sheet and contact, just can cooperate with the welding hole of pipe sheet as far as possible, and then further assurance welded effect.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A welding system for heat exchange tubes is characterized in that: the device comprises a clamping device for mounting a tube plate, a conveying device which is arranged on one side of the clamping device and used for conveying heat exchange tubes and enabling the heat exchange tubes to correspond to welding holes in the tube plate one by one, and a positioning welding device which is arranged on the other side of the clamping device and used for detecting the centers of inner holes of the heat exchange tubes and welding the heat exchange tubes and the tube plate; wherein, the fixed-position welding device includes that the interval sets up the frame, rotates to connect between the frame and through a motor drive's rotatory section of thick bamboo, install in rotatory section of thick bamboo circumference lateral wall just is used for detecting the cross head positioner at heat exchange tube hole center, install in rotatory section of thick bamboo is used for welding heat exchange tube and the welding set of tube sheet and locates in the rotatory section of thick bamboo just is used for controlling the control module of cross head positioner, welding set and the cooperation operation of first motor.
2. The welding system for the heat exchange tube according to claim 1, wherein: crosshead positioning device includes fixed connection in first fixed station, fixed connection on the rotatory section of thick bamboo lateral wall in first cylinder, fixed connection on the first fixed station and through control module control first cylinder, fixed connection in the first fixed plate of first cylinder output, install in second motor, two interval fixed connection on the first fixed plate in just be located the mounting panel of second motor both sides on the first fixed plate, locate sliding port, fixed connection on each mounting panel the turbine of second motor output, locate between the mounting panel and with each sliding port interval set up and with turbine complex worm, with worm both ends fixed connection just pass respectively from each sliding port and with each sliding port sliding connection's sliding shaft and fixed connection in the sliding shaft is close to the crosshead positioning module of clamping device one side.
3. The welding system for the heat exchange tube as claimed in claim 2, wherein: the crosshead positioning module comprises a first detection plate fixedly connected with one end of the sliding shaft, a longitudinal sliding chute longitudinally recessed and arranged on one side of the first detection plate far away from the sliding shaft, a second detection plate connected with the longitudinal sliding chute in a sliding manner through a first slider, third detection plates fixedly connected with the end surfaces of the second detection plates far away from the first detection plate at intervals, and transverse sliding chutes respectively recessed and arranged on opposite sides of the third detection plates and extending transversely, the detection device comprises a base plate, a base shaft, a sliding cavity, a detection shaft and a detection body, wherein the base plate is connected with each transverse sliding chute in a sliding mode through a second sliding block, the base shaft is fixedly connected to the end face, far away from the second detection plate, of the base plate, the sliding cavity is arranged at the free end of the base shaft in a recessed mode, the detection shaft is arranged in the sliding cavity, is connected with the wall of the sliding cavity in a sliding mode, partially exposes out of the sliding cavity, and the detection body is fixedly connected; the detection units electrically connected with the control module are arranged on the cavity bottom of the sliding cavity, the groove wall of the longitudinal sliding groove and the groove wall of the transverse sliding groove; the detection unit comprises a first detection pressure block fixedly connected with the cavity bottom of the sliding cavity, the groove wall of the longitudinal sliding groove and the groove wall of the transverse sliding groove through a compression spring, a pressure sensor fixedly connected to the first detection pressure block and electrically connected with the control module, and a second detection pressure clamping block fixedly connected to the pressure sensor and respectively contacted with the first sliding block, the second sliding block or the detection shaft.
4. The welding system for the heat exchange tube according to claim 2 or 3, wherein: the welding device comprises a second fixed table, a second air cylinder, a second fixed plate, a horizontal air cylinder, a first movable plate, a second movable plate and a welding gun, wherein the second fixed table is fixedly connected to the outer side wall of the rotary cylinder and is arranged at an interval with the first fixed table, the second air cylinder is fixedly connected to the second fixed table and is controlled by a control module, the second fixed plate is fixedly connected to the output end of the second air cylinder, the horizontal air cylinder is fixedly connected to the second fixed plate, the first movable plate is fixedly connected to the output end of the horizontal air cylinder, the second movable plate is connected with the second movable plate in a sliding mode, the second movable plate is connected to the end face, far away from the first movable plate, of the second movable plate, the third movable plate is connected with.
5. The welding system for the heat exchange tube according to any one of claims 1 to 3, wherein: the clamping device comprises a rack, an operating platform arranged on the rack, a rectangular opening arranged on the operating platform, a fourth air cylinder fixedly connected to the rack and positioned below the rectangular opening, a motor mounting seat fixedly connected to an output end of the fourth air cylinder, a servo motor fixedly connected to the motor mounting seat, a supporting block fixedly connected to an output end of the servo motor and matched with the rectangular opening, a supporting plate longitudinally extending from the edge of the rectangular opening, and a clamping module arranged on the supporting block and used for mounting a tube plate.
6. The welding system for the heat exchange tube as claimed in claim 5, wherein: the clamping module comprises a bottom block which can be placed on the supporting block and is matched with the rectangular opening, a supporting rod which is fixedly connected to the bottom block and extends longitudinally, a clamping plate which is fixedly connected with the free end of the supporting rod and is in an arc shape, and an arc-shaped groove which is arranged on the end face, far away from the supporting rod, of the clamping plate and extends along the clamping plate; spacing openings penetrating through two sides of the clamping plate are formed in the groove walls of two sides of the arc-shaped groove at equal intervals, a part of each spacing opening movably extends into the arc-shaped groove and is provided with a clamping block controlled by a fifth cylinder, and conical anti-skid protrusions are uniformly distributed on the end face, far away from the fifth cylinders, of each clamping block.
7. The welding system for the heat exchange tube according to claim 6, wherein: the conveying device comprises a mounting frame, a fifth air cylinder for lifting the mounting frame, a transmission roller which is rotatably connected to the mounting frame and driven by a third motor, a conveying belt paved on the transmission roller, and a plurality of groups of clamping and mounting parts which are arranged on the conveying belt and used for mounting heat exchange tubes; the mounting part comprises two mounting blocks which are mounted on the conveying belt at intervals and have the length equal to the diameter of the tube plate, a plurality of mounting grooves which are respectively arranged on the mounting blocks, correspond to the mounting grooves one by one and are aligned with the welding holes in the tube plate, and rubber limiting bulges which are mounted on the groove walls on two sides of each mounting groove at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071731.6U CN211028687U (en) | 2019-11-27 | 2019-11-27 | Welding system for heat exchange pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071731.6U CN211028687U (en) | 2019-11-27 | 2019-11-27 | Welding system for heat exchange pipe |
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| CN211028687U true CN211028687U (en) | 2020-07-17 |
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| CN201922071731.6U Active CN211028687U (en) | 2019-11-27 | 2019-11-27 | Welding system for heat exchange pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860824A (en) * | 2019-11-27 | 2020-03-06 | 浙江巨化装备工程集团有限公司 | Welding system for heat exchange tube and welding method thereof |
| CN117399830A (en) * | 2023-11-15 | 2024-01-16 | 安徽苏东石化电力设备制造集团有限公司 | Numerical control automatic welding equipment for heat exchanger tube plates |
-
2019
- 2019-11-27 CN CN201922071731.6U patent/CN211028687U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860824A (en) * | 2019-11-27 | 2020-03-06 | 浙江巨化装备工程集团有限公司 | Welding system for heat exchange tube and welding method thereof |
| CN110860824B (en) * | 2019-11-27 | 2023-09-19 | 浙江巨化装备工程集团有限公司 | Welding system and welding method for heat exchange tube |
| CN117399830A (en) * | 2023-11-15 | 2024-01-16 | 安徽苏东石化电力设备制造集团有限公司 | Numerical control automatic welding equipment for heat exchanger tube plates |
| CN117399830B (en) * | 2023-11-15 | 2024-03-26 | 安徽苏东石化电力设备制造集团有限公司 | Numerical control automatic welding equipment for heat exchanger tube plates |
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