CN114963154B - Boiler assembly and manufacturing and processing technology thereof - Google Patents
Boiler assembly and manufacturing and processing technology thereof Download PDFInfo
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- CN114963154B CN114963154B CN202210678840.8A CN202210678840A CN114963154B CN 114963154 B CN114963154 B CN 114963154B CN 202210678840 A CN202210678840 A CN 202210678840A CN 114963154 B CN114963154 B CN 114963154B
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- bending
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- rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/12—Forms of water tubes, e.g. of varying cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
- B21D11/07—Making serpentine-shaped articles by bending essentially in one plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The invention relates to the technical field of manufacturing and processing of boiler components, in particular to a boiler component and a manufacturing and processing technology thereof.
Description
Technical Field
The invention relates to the technical field of manufacturing and processing of boiler components, in particular to a boiler component and a manufacturing and processing technology thereof.
Background
The boiler component is one of main components of the boiler and consists of an economizer, a steam drum, a downcomer, a header, a condenser pipe, a superheater, a reheater and the like, wherein the condenser pipe is usually required to be bent so as to prolong a condensing path of the condenser pipe in the using process of the boiler, reduce the occupied space of the condenser pipe and improve the condensing effect of the condenser pipe.
The condenser pipe is fixed spacing to its both ends before bending the processing, and traditional condenser pipe is bent the in-process and is adopted the spacing mode of internal support to fix, because the pressure that the in-process condenser pipe received is great, so the condenser pipe takes place relative slip between the in-process of bending and fixed limiting equipment, just produces the problem that drops when leading to the condenser pipe to incompletely bend, influences the condenser pipe effect of bending.
The condenser pipe belongs to the metal material, and its own elasticity deformation power that has, so the condenser pipe is because the phenomenon that elasticity deformation power probably takes place to kick-back after bending, if directly takes off the condenser pipe after bending, the condenser pipe degree of bending does not reach expected bending effect, and then the condensation route of condenser pipe shortens, causes the condenser pipe occupation space increase simultaneously, influences the follow-up equipment effect of condenser pipe.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a boiler subassembly, includes condenser pipe and joint, the condenser pipe be S type structure, the condenser pipe left and right sides welding has the joint that link up with its inside mutually.
In the manufacturing process of the boiler component, a bending device is needed to be used, the bending device comprises a base, a fixing mechanism and a bending mechanism, the bending mechanism is installed in the middle of the base, sliding grooves are formed in the left side and the right side of the upper end face of the base, and the fixing mechanism is installed in the sliding grooves.
The fixing mechanism comprises a position block, a position yielding spring rod, a fixing block, a fixing cylinder, an inner supporting plate, a bidirectional cylinder, a connecting rod, jacking rods and outer clamping branched chains, wherein the position block is arranged in the sliding groove in a sliding mode, the position block is arranged between the position block and the inner wall of the sliding groove in a sliding mode, the position spring rod is arranged between the position block and the inner wall of the sliding groove, the upper end face of the position block is provided with a rotating bulge through a bearing, the fixing block is fixedly arranged on the upper end face of the rotating bulge, one side, close to the bending mechanism, of the fixing block is provided with the fixing groove, the fixing cylinder is internally provided with the fixing cylinder, the side wall of the fixing cylinder is provided with the upper supporting plate and the lower supporting plate in a sliding mode, the two inner supporting plates are internally provided with the inner supporting plates in a sliding mode, the two inner supporting plates are located between the upper supporting plates and the two inner supporting plates in a sliding mode, the two inner supporting plates are oppositely arranged with the jacking rods in a bilateral symmetry mode through hinges, the upper supporting plates and the two adjacent jacking rods are hinged to each other, the two telescopic ends of the two connecting rods are respectively arranged at the left and right telescopic ends of the two connecting rods are far away from one ends of the two telescopic ends of the bidirectional cylinders, and hinged to the jacking rod hinge points on the left side of the two sides of the two inner supporting rods on the left side and the two inner supporting plates and the two opposite sides of the fixing plates are respectively fixedly arranged between the inner supporting plates and the side.
The bending mechanism comprises a screw rod, a moving plate, supporting frames, bending discs, bending branched chains, a fixing frame and a fixing disc, wherein the middle part of the front end face of the base is provided with a moving chute, the moving board is arranged in the moving chute in a sliding mode, the upper end face of the base is provided with the supporting frames which are bilaterally symmetrical in a sliding mode, the lower ends of the two supporting frames are fixedly connected with the upper end face of the moving plate, the bending discs are all installed on the upper end faces of the two supporting frames, the front end face of the bending discs is provided with bending grooves, the bending branched chains are commonly installed on the two bending discs, the middle part of the upper end face of the base is fixedly installed with the fixing frame which is located between the two supporting frames, and the side wall of the fixing frame is provided with the fixing disc with the bending grooves.
Preferably, the outer clamping branched chain comprises a linkage rod, supporting bulges, a reset spring rod and an outer clamping plate, wherein the linkage rod is arranged on the back surface of the inner supporting plate, supporting bulges corresponding to the linkage rod are arranged on the upper inner wall and the lower inner wall of the fixed groove, one ends, close to the linkage rod, of the supporting bulges are hinged with the outer clamping plate, and the reset spring rod is arranged between the back surface of the two outer clamping plates and the inner wall of the fixed groove.
Preferably, one end of the rotating plate, which is contacted with the condensing tube, is provided with an arc-shaped pacifying plate.
Preferably, the branched chain of bending include axis of rotation, rotor plate, band pulley and belt, wherein the disc of bending inside all offer the cavity, the cavity rear side has all been offered the rotation groove, the inside rotor plate that all is provided with of rotation groove, the disc up end of bending all installs the axis of rotation through the bearing, the rotor plate is located the inside part fixed connection of cavity with the axis of rotation, all install the band pulley in two axes of rotation, be connected through the belt between two band pulleys, after the condenser pipe is bent, in order to reduce elastic deformation to the influence of condenser pipe effect of bending, drive the axis of rotation through external drive and rotate, drive the rotor plate through the belt and drive mutually supporting, the rotor plate rotates the in-process through the arc and smoothes the flat department of bending to the condenser pipe and reciprocate, and then can reduce the condenser pipe and bend the department elastic deformation degree, thereby improve the condenser pipe effect of bending.
Preferably, the inside joint of condenser pipe have a plastic type pipe, the both ends joint has the sealing plug about the plastic type pipe, will mould the type pipe and place inside the condenser pipe before bending, take off the sealing plug and pump in the air to moulding the inside of type pipe, seal the sealing plug again for the inside of air-blowing expansion mould type pipe supports the condenser pipe, and then guarantees that the condenser pipe can not take place the rigidity fracture at the in-process of bending, plays the protection support effect to the condenser pipe.
Preferably, the method is characterized in that: the one side that outer grip block be close to the condenser pipe be provided with the arc rubber arch, the gangbar is kept away from the one end rotation of interior backup pad and is installed the gyro wheel, the arc rubber arch can increase the area of contact between outer grip block and the condenser pipe for outer grip block is more stable to the condenser pipe centre gripping, the gyro wheel can reduce the friction between gangbar and the outer grip block, improves the life of gangbar and outer grip block.
Preferably, a rolling groove matched with the roller is formed in one side, close to the condensing tube, of the outer clamping plate, the rolling groove plays a limiting role on the roller, and the rolling stability of the roller on the outer clamping plate is improved.
Preferably, the bending equipment performs a manufacturing process on the boiler component, and comprises the following steps: the first step: and (3) pipe fitting placement: the condenser pipe to be bent is placed between the bending disc and the fixing disc, and then the left side and the right side of the condenser pipe are respectively placed inside the left fixing block and the right fixing block.
And a second step of: and (3) clamping: the bidirectional cylinder is started to drive the left connecting rod and the right connecting rod to move in opposite directions, and then the connecting rod drives the jacking rod to open, so that the jacking rod drives the inner supporting plate to support and clamp the condenser tube.
And a third step of: bending: the screw rod rotates to drive the bending disc to move backwards through the mutual matching of the moving plate and the supporting frame, and the bending disc is matched with the fixed disc in the moving process of the bending disc so as to bend the condensing tube.
Fourth step: welding treatment: and taking down the bent condensing tube, and welding the joints on the left side and the right side of the condensing tube through the conventional welding equipment.
The invention has the beneficial effects that: 1. in the fixing mechanism designed by the invention, the bidirectional cylinder drives the lifting rod to open through the connecting rod, so that the lifting rod drives the inner supporting plate to move up and down to internally support the condenser pipe, and the inner supporting plate drives the outer clamping plate to rotate around the supporting bulge through the connecting rod in the moving process of the inner supporting plate, so that the outer clamping plate can externally clamp the condenser pipe, the inner supporting plate and the outer clamping plate are mutually matched, the stability of the condenser pipe in the bending process can be improved, and meanwhile, the inner supporting plate and the outer clamping plate are mutually matched to ensure that the fixed clamping position of the condenser pipe cannot deform, and the alignment effect of the subsequent condenser pipe and the joint is ensured.
2. In the bending branched chain designed by the invention, after the condenser pipe is bent, the rotating shaft rotates to drive the rotating plate to rotate, and the bending part of the condenser pipe is subjected to reciprocating smoothing treatment through the arc smoothing plate in the rotating process of the rotating plate, so that the elastic deformation degree of the bending part of the condenser pipe can be reduced, and the bending effect of the condenser pipe is improved.
3. In the plastic tube designed by the invention, the plastic tube is placed in the condensing tube before bending, and then air is pumped into the plastic tube, so that the plastic tube supports the inside of the condensing tube, and further, the rigid fracture of the condensing tube in the bending process is avoided, and the protective support effect on the condensing tube is realized.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the installation structure of a condensation pipe and a joint of the invention.
Fig. 2 is a schematic diagram of the main structure of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a partial cross-sectional view of the invention at a of fig. 3.
Fig. 5 is an enlarged view of a portion of the invention at B of fig. 4.
Fig. 6 is a partial cross-sectional view of the invention at C of fig. 5.
Fig. 7 is a schematic view of a three-dimensional structure of a part of the bending mechanism of the present invention.
Fig. 8 is a schematic view (from top to bottom) of the mounting structure between a partially bent branched chain and a bent disc according to the invention.
Fig. 9 is a schematic view (from left to right) of the mounting structure between a partially bent branched chain and a bent disc according to the present invention.
FIG. 10 is a schematic view of the mounting structure between the condenser tube and the molding tube of the present invention.
FIG. 11 is a flow chart of a manufacturing process of the boiler module of the present invention.
In the figure: 1. a condensing tube; 11. molding a tube; 12. a sealing plug; 2. a joint; 3. a base; 4. a fixing mechanism; 41. letting the bit block; 42. a yielding spring rod; 43. a fixed block; 431. a fixing groove; 44. a fixed cylinder; 45. an inner support plate; 46. a bidirectional cylinder; 47. a connecting rod; 48. a lifting rod; 49. an outer clamping branch; 491. a linkage rod; 4911. a roller; 492. a supporting protrusion; 493. a reset spring lever; 494. an outer clamping plate; 4941. arc rubber bulge; 4942. a rolling groove; 40. rotating the protrusion; 5. a bending mechanism; 51. a screw rod; 52. a moving plate; 53. a support frame; 54. bending the disc; 541. bending the groove; 55. bending the branched chain; 551. a rotating shaft; 552. a rotating plate; 5521. arc-shaped pacifying plate; 553. a belt wheel; 554. a belt; 56. a fixing frame; 57. and fixing the disc.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1, a boiler assembly comprises a condensation pipe 1 and a joint 2, wherein the condensation pipe 1 is of an S-shaped structure, and the joints 2 communicated with the inside of the condensation pipe 1 are welded on the left side and the right side of the condensation pipe 1.
Referring to fig. 2 and 3, in the manufacturing process of the boiler component, a bending device is required to be used, the bending device includes a base 3, a fixing mechanism 4 and a bending mechanism 5, the bending mechanism 5 is installed in the middle of the base 3, sliding grooves are formed in the left and right sides of the upper end surface of the base 3, and the fixing mechanism 4 is installed inside the sliding grooves.
Referring to fig. 2, fig. 4 and fig. 5, the fixing mechanism 4 includes a positioning block 41, a positioning spring rod 42, a fixing block 43, a fixing cylinder 44, an inner support plate 45, two-way cylinders 46, a connecting rod 47, lifting rods 48 and an outer clamping branched chain 49, wherein the positioning block 41 is slidably arranged in the sliding groove, the positioning spring rod 42 is installed between the positioning block 41 and the inner wall of the sliding groove, the upper end surface of the positioning block 41 is provided with a rotating bulge 40 through a bearing, the fixing block 43 is fixedly installed on the upper end surface of the rotating bulge 40, a fixing groove 431 is formed in one side of the fixing block 43 close to the bending mechanism 5, a fixing cylinder 44 is internally installed in the fixing groove 431, an up-down symmetrical sliding through groove is formed in the side wall of the fixing cylinder 44, two-way through grooves are internally provided with the inner support plates 45 in a sliding manner, the two-way cylinders 46 are installed between the upper and lower inner support plates 45 through cylinder seats, the two inner support plates 45 are oppositely provided with the lifting rods 48 which are symmetrically arranged in a left-right manner through hinges, the two adjacent lifting rods 48 are hinged to each other, the left and right adjacent lifting rods 46 are mutually hinged, two opposite ends of the two inner support plates 46 are respectively provided with two connecting rods 47 which are respectively hinged to the two opposite sides of the two inner support plates 47, and two opposite connecting rods 47 are respectively hinged to the two opposite sides of the two inner support plates 47 are respectively.
Referring to fig. 5, the outer clamping branched chain 49 includes a linkage rod 491, supporting protrusions 492, a restoring spring rod 493 and an outer clamping plate 494, wherein the linkage rod 491 is installed on the opposite back of the inner supporting plate 45, supporting protrusions 492 corresponding to the linkage rod 491 are installed on the upper and lower inner walls of the fixing groove 431, one ends of the supporting protrusions 492 close to the linkage rod 491 are hinged with the outer clamping plate 494, and the restoring spring rod 493 is installed between the opposite back of the two outer clamping plates 494 and the inner wall of the fixing groove 431.
Referring to fig. 2 and 7, the bending mechanism 5 includes a screw rod 51, a moving plate 52, supporting frames 53, a bending disc 54, a bending branched chain 55, a fixing frame 56 and a fixing disc 57, wherein a moving chute is formed in the middle of the front end face of the base 3, the moving plate 52 is slidably arranged in the moving chute, the upper end face of the base 3 is slidably provided with the supporting frames 53 which are bilaterally symmetrical, the lower ends of the two supporting frames 53 are fixedly connected with the upper end face of the moving plate 52, the upper end faces of the two supporting frames 53 are respectively provided with the bending disc 54, the front end face of the bending disc 54 is provided with a bending groove 541, the bending branched chain 55 is jointly installed on the two bending discs 54, the fixing frame 56 is fixedly installed between the middle of the upper end face of the base 3 and the two supporting frames 53, and the fixing disc 57 with a bending groove is installed on the upper end face of the fixing frame 56.
In specific work, the condenser tube 1 to be bent is placed between the bending disc 54 and the fixing disc 57, the fixing blocks 43 are shifted to the left side and the right side, so that the distance between the two fixing blocks 43 is larger than the length of the condenser tube 1, the left side and the right side of the condenser tube 1 are respectively placed in the left fixing groove 431 and the right fixing groove 431, meanwhile, the fixing cylinder 44 stretches into the condenser tube 1, when the condenser tube 1 is placed, the bidirectional cylinder 46 starts to drive the connecting rod 47 to move in opposite directions, the lifting rod 48 is driven to open in the moving process of the connecting rod 47, the lifting rod 48 is driven to open to drive the inner supporting plate 45 to move up and down to support the condenser tube 1, the outer clamping plate 494 is driven to rotate around the supporting protrusion 492 through the linkage rod 491 in the moving process of the inner supporting plate 45, so that the outer clamping plate 494 can clamp the condenser tube 1, the inner support plate 45 and the outer clamping plate 494 are mutually matched to increase the stability of the condenser tube 1 in the bending process, meanwhile, the inner support plate 45 and the outer clamping plate 494 are mutually matched to ensure that the fixed clamping position of the condenser tube 1 cannot deform and ensure the alignment effect of the subsequent condenser tube 1 and the joint 2, wherein the reset spring rod 493 has the connection and reset effects on the outer clamping plate 494, when the fixed limit of the condenser tube 1 is finished, the rotating screw rod 51 drives the moving plate 52 to move, the bending disc 54 is driven to move backwards through the support frame 53 in the moving process of the moving plate 52, the bending disc 54 is driven to abut against the fixed disc 57 in the backwards moving process of the bending disc 54, the condenser tube 1 is further bent under the mutual matching of the bending disc 54 and the fixed disc 57, the yielding block 41 can yield the compensation effect on the fixed block 43 through the mutual matching of the yielding spring rod 42 and the rotating bulge 40, to compensate for the angle and length variations of the condenser tube 1 during bending.
Referring to fig. 10, the inside joint of condenser pipe 1 have plastic type pipe 11, plastic type pipe 11 left and right sides both ends joint has sealing plug 12, before bending with plastic type pipe 11 place inside condenser pipe 1, take off sealing plug 12 and pump air to plastic type pipe 11 inside, seal sealing plug 12 again for the plastic type pipe 11 of inflation of air supports condenser pipe 1 inside, and then guarantees that condenser pipe 1 can not take place the rigidity fracture at the in-process of bending, plays the protection support effect to condenser pipe 1.
Referring to fig. 5, an arc-shaped rubber protrusion 4941 is disposed on one side of the outer clamping plate 494 near the condenser tube 1, a roller 4911 is rotatably mounted at one end of the linkage rod 491 away from the inner supporting plate 45, the arc-shaped rubber protrusion 4941 can increase the contact area between the outer clamping plate 494 and the condenser tube 1, so that the outer clamping plate 494 clamps the condenser tube 1 more stably, the roller 4911 can reduce friction between the linkage rod 491 and the outer clamping plate 494, and the service life of the linkage rod 491 and the outer clamping plate 494 is prolonged.
Referring to fig. 6, a rolling groove 4942 is formed on the side of the outer clamping plate 494 near the condenser tube 1, and the rolling groove 4942 limits the roller 4911, so as to improve the rolling stability of the roller 4911 on the outer clamping plate 494.
Referring to fig. 2, 8 and 9, the bending branched chain 55 includes a rotation shaft 551, a rotation plate 552, pulleys 553 and a belt 554, wherein the inside of the bending disc 54 is provided with a cavity, the rear side of the cavity is provided with a rotation groove, the inside of the rotation groove is provided with the rotation plate 552, the upper end surface of the bending disc 54 is provided with the rotation shaft 551 through a bearing, the rotation plate 552 and the rotation shaft 551 are fixedly connected with the part of the cavity, the pulleys 553 are mounted on the two rotation shafts 551, and the two pulleys 553 are connected through the belt 554.
Referring to fig. 9, an arc-shaped smoothing plate 5521 is installed at one end of the rotating plate 552 in contact with the condenser tube 1, after the condenser tube 1 is bent, in order to reduce the influence of elastic deformation on the bending effect of the condenser tube 1, the rotating shaft 551 is driven to rotate through external driving, the rotating plate 552 is driven to rotate through the belt 554 and the driving interaction between the rotating shafts 551, the reciprocating smoothing treatment is performed on the bending part of the condenser tube 1 through the arc-shaped smoothing plate 5521 in the rotating process of the rotating plate 552, and then the elastic deformation degree of the bending part of the condenser tube 1 can be reduced, so that the bending effect of the condenser tube 1 is improved.
Referring to fig. 11, the invention further provides a manufacturing process of the boiler assembly, comprising the following steps: the first step: and (3) pipe fitting placement: placing the condenser tube 1 to be bent between the bending disc 54 and the fixing disc 57, poking the fixing blocks 43 to the left and right sides so that the distance between the two fixing blocks 43 is larger than the length of the condenser tube 1, placing the left and right sides of the condenser tube 1 in the left and right fixing grooves 431 respectively, and extending the fixing cylinder 44 into the condenser tube 1;
and a second step of: and (3) clamping: the bidirectional cylinder 46 is started to drive the left connecting rod 47 and the right connecting rod 47 to move in opposite directions, and then the connecting rod 47 drives the lifting rod 48 to open, so that the lifting rod 48 drives the inner supporting plate 45 to support and clamp the condenser tube 1, and the inner supporting plate 45 drives the outer clamping plate 494 to rotate around the supporting bulge 492 through the linkage rod 491 in the moving process, so that the outer clamping plate 494 can clamp the condenser tube 1;
and a third step of: bending: the screw rod 51 rotates to drive the bending disc 54 to move backwards through the interaction of the moving plate 52 and the supporting frame 53, and the bending disc 54 is matched with the fixed disc 57 in the moving process of the bending disc 54 so as to bend the condenser tube 1;
fourth step: welding treatment: and taking down the bent condenser tube 1, and welding the joint 2 on the left side and the right side of the condenser tube 1 through the conventional welding equipment.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A boiler assembly comprising a condenser tube (1) and a joint (2), characterized in that: the condenser tube (1) is of an S-shaped structure, and connectors (2) communicated with the inside of the condenser tube are welded on the left side and the right side of the condenser tube (1); wherein:
in the manufacturing process of the boiler component, bending equipment is needed to be used, the bending equipment comprises a base (3), a fixing mechanism (4) and a bending mechanism (5), the bending mechanism (5) is installed in the middle of the base (3), sliding grooves are formed in the left side and the right side of the upper end face of the base (3), and the fixing mechanism (4) is installed in the sliding grooves;
the fixing mechanism (4) comprises a yielding block (41), a yielding spring rod (42), a fixing block (43), a fixing cylinder (44), an inner supporting plate (45), a bidirectional cylinder (46), a connecting rod (47), a jacking rod (48) and an outer clamping branched chain (49), wherein the yielding block (41) is arranged in the sliding groove in a sliding manner, the yielding spring rod (42) is arranged between the yielding block (41) and the inner wall of the sliding groove, a rotating bulge (40) is arranged on the upper end surface of the yielding block (41) through a bearing, the fixing block (43) is fixedly arranged on the upper end surface of the rotating bulge (40), the fixing cylinder (44) is arranged on one side, close to the bending mechanism (5), of the fixing groove (431), the fixing cylinder (44) is internally arranged, the side wall of the fixing cylinder (44) is provided with an up-down symmetrical sliding through groove, the inner supporting plate (45) is slidably arranged in the two sliding through grooves, the inner supporting plate (45) are arranged between the two inner supporting plates (45) through a cylinder seat, the opposite surfaces of the two inner supporting plates (45) are provided with rotating bulges (40) through a bearing, the two adjacent jacking rods (48) are symmetrically arranged on the left and right sides of the two inner supporting plates (45) through hinges, the two adjacent jacking rods (48) are hinged to each other, the two upper ends of the two connecting rods (48) are hinged to each other in a bilateral telescopic way, one end of the two connecting rods (47) far away from the bidirectional cylinder (46) is hinged with hinge points of jacking rods (48) at the left side and the right side respectively, and an outer clamping branched chain (49) is arranged between the opposite back surfaces of the two inner supporting plates (45) and the fixed groove (431);
the utility model provides a mechanism of bending (5) include lead screw (51), movable plate (52), support frame (53), bend disc (54), bend branch chain (55), mount (56) and fixed disc (57), wherein base (3) preceding terminal surface middle part seted up and remove the spout, the inside slip of removal spout is provided with movable plate (52), base (3) up end slides and is provided with bilateral symmetry's support frame (53), and two support frame (53) lower extreme all with movable plate (52) up end fixed connection, bend disc (54) are all installed to two support frame (53) up end, bend disc (54) preceding terminal surface has been seted up and has been bent recess (541), bend branch chain (55) are installed jointly on two bend disc (54), base (3) up end middle part and be located between two support frames (53) fixed mounting mount (56), fixed disc (57) that the lateral wall has the groove of bending are installed to mount (56) up end.
2. A boiler assembly according to claim 1, wherein: the outer clamping branched chain (49) comprises a linkage rod (491), supporting protrusions (492), a reset spring rod (493) and an outer clamping plate (494), wherein the linkage rod (491) is installed on the back of the inner supporting plate (45), supporting protrusions (492) corresponding to the linkage rod (491) are installed on the upper inner wall and the lower inner wall of the fixed groove (431), one ends, close to the linkage rod (491), of the supporting protrusions (492) are hinged to the outer clamping plate (494), and the reset spring rod (493) is installed between the back of the two outer clamping plates (494) and the inner wall of the fixed groove (431).
3. A boiler assembly according to claim 1, wherein: the bending branched chain (55) comprises a rotating shaft (551), rotating plates (552), belt pulleys (553) and a belt (554), wherein cavities are formed in the bending disc (54), rotating grooves are formed in the rear sides of the cavities, the rotating plates (552) are arranged in the rotating grooves, the rotating shafts (551) are mounted on the upper end faces of the bending disc (54) through bearings, the rotating plates (552) are fixedly connected with the portions, located in the cavities, of the rotating shafts (551), the belt pulleys (553) are mounted on the two rotating shafts (551), and the two belt pulleys (553) are connected through the belt (554).
4. A boiler assembly according to claim 1, wherein: the condenser tube (1) inside joint have mould type pipe (11), mould type pipe (11) left and right sides both ends joint has sealing plug (12).
5. A boiler assembly according to claim 2, wherein: one side of the outer clamping plate (494) close to the condenser pipe (1) is provided with an arc-shaped rubber bulge (4941), and one end of the linkage rod (491) far away from the inner supporting plate (45) is rotatably provided with a roller (4911).
6. A boiler assembly according to claim 2, wherein: the outer clamping plate (494) is provided with a rolling groove (4942) matched with the cooling pipe (1) at one side close to the cooling pipe (1).
7. A boiler assembly according to claim 3, wherein: an arc-shaped pacifying plate (5521) is arranged at one end, contacted with the condensation pipe (1), of the rotating plate (552).
8. A boiler assembly according to claim 1, wherein: the bending equipment is used for manufacturing and processing the boiler assembly and comprises the following steps:
the first step: and (3) pipe fitting placement: the condenser tube (1) to be bent is placed between the bending disc (54) and the fixing disc (57), and then the left side and the right side of the condenser tube (1) are respectively placed in the left fixing block (43) and the right fixing block (43);
and a second step of: and (3) clamping: the bidirectional cylinder (46) is started to drive the left connecting rod and the right connecting rod (47) to move in opposite directions, and then the connecting rod (47) drives the jacking rod (48) to open, so that the jacking rod (48) drives the inner supporting plate (45) to support and clamp the condensing tube (1);
and a third step of: bending: the screw rod (51) rotates to drive the bending disc (54) to move backwards through the mutual matching of the moving plate (52) and the supporting frame (53), and the bending disc (54) and the fixed disc (57) are mutually matched in the moving process so as to bend the condensing tube (1);
fourth step: welding treatment: and taking down the bent condenser pipe (1), and welding the joints (2) on the left side and the right side of the condenser pipe (1) through the conventional welding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210678840.8A CN114963154B (en) | 2022-06-15 | 2022-06-15 | Boiler assembly and manufacturing and processing technology thereof |
Applications Claiming Priority (1)
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| CN114367568A (en) * | 2022-01-14 | 2022-04-19 | 泰州市长征冷机管件有限公司 | Compressor metal pipe bending and shaping device |
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| DE10021028A1 (en) * | 2000-05-02 | 2001-11-15 | Tracto Technik | Bending machine for long profile workpieces or pipes, has bending device, workpiece clamping device, and supporting devices for workpiece and bending pin before or after clamp |
| CN111482495A (en) * | 2020-06-02 | 2020-08-04 | 张宇 | Steel construction metal pipe fittings bender |
| CN112958660A (en) * | 2021-02-20 | 2021-06-15 | 邢美华 | Bending equipment and method for manufacturing boiler economizer pipe fitting |
| CN113290089A (en) * | 2021-05-17 | 2021-08-24 | 任菊华 | Machining machine and machining process for manufacturing steel pipe structure by steel pipe truss |
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