CN115070323A - Welding frock is made to centrifugal fan impeller - Google Patents
Welding frock is made to centrifugal fan impeller Download PDFInfo
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- CN115070323A CN115070323A CN202210895878.0A CN202210895878A CN115070323A CN 115070323 A CN115070323 A CN 115070323A CN 202210895878 A CN202210895878 A CN 202210895878A CN 115070323 A CN115070323 A CN 115070323A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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Abstract
The invention discloses a welding tool for manufacturing a centrifugal fan impeller, and relates to the technical field of welding tools for centrifugal fan impellers. The centrifugal fan impeller manufacturing and welding tool comprises a seat disc, wherein a multi-jaw chuck mechanism used for placing a rear disc is fixedly connected to the upper end face of the seat disc, L-shaped plate frames are symmetrically and fixedly connected to the rear portion of the upper end face of the seat disc, the lower end faces of the transverse sections of the two L-shaped plate frames are located right above the multi-jaw chuck mechanism, a bearing disc is fixedly connected through an electric telescopic rod, a pulling mechanism used for correcting the bending angle of a blade is arranged on the upper portion of the bearing disc, and two racks located in an installation box are located on different sides of a gear respectively.
Description
Technical Field
The invention relates to the technical field of welding tools for impellers of centrifugal fans, in particular to a welding tool for manufacturing impellers of a centrifugal fan.
Background
The centrifugal ventilator is a machine which can raise gas pressure by means of mechanical energy and then can deliver the gas out, and is one of four large parts in the dust-removing ventilation system, its impeller is a wheel disk equipped with moving blades, and is the core component of centrifugal ventilator, and the common impeller is cast or welded, and its material can be selected according to working medium, and the main function of the impeller is to convert the mechanical energy of prime mover into static pressure energy and dynamic pressure energy of fluid, and the impeller is made up by welding front disk, blades and rear disk. The welding sequence is welding the rear disc and the blade first and then welding the front disc.
When splicing blade and back plate in actual welding production, because the welding frock does not possess the automatic function of correcting the blade, the blade can produce the skew after the back plate is installed, the condition of position dislocation, influence welding quality, need manually carry out the secondary control, and because the blade is more in quantity, need spend the correction of longer time, the welding speed has been dragged, in addition, carry out the welded in-process to the blade and lead to the blade to appear warping because of the change of welding point stress easily, need in time to adjust its bending angle just can correctly splice together with the front plate, but current regulative mode only can singly pull the blade in proper order just, waste time and energy, and bending angle is not convenient for control, correct the precision poor.
Disclosure of Invention
The technical problem to be solved is as follows: the welding tool for manufacturing the centrifugal ventilator impeller provided by the invention can solve the problems pointed out in the background technology.
The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme that the welding tool for manufacturing the impeller of the centrifugal ventilator comprises a seat disc, the upper end face of the seat disc is fixedly connected with a multi-jaw chuck mechanism for placing a rear disc, the rear part of the upper end face of the seat disc is symmetrically and fixedly connected with L-shaped plate frames, the lower end faces of the transverse sections of the two L-shaped plate frames are positioned right above the multi-jaw chuck mechanism and are fixedly connected with a bearing disc through an electric telescopic rod, a plurality of angle-adjustable self-clamping mechanisms for clamping and mounting the blades are arranged on the lower end surface of the bearing plate at equal intervals along the circumferential direction, bear the dish down the terminal surface along its circumferencial direction equidistance be provided with a plurality of and adjustable angle formula from fixture corresponding and be used for adjusting the blade position so that with the correct correction mechanism who splices of back dish, bear dish upper portion and be provided with the mechanism of pulling that is used for correcting blade bending angle.
The correcting mechanism comprises a mounting box, correcting rollers for correcting blades, two pairs of X-shaped bidirectional spring telescopic pull rods for mounting the correcting rollers, and gears, sliding rings, ejector rods and racks which are used for being matched with the bidirectional spring telescopic pull rods so as to drive the correcting rollers to move, wherein the mounting box is fixedly connected to the lower part of a bearing plate through fixing rods, the middle parts of one pair of X-shaped bidirectional spring telescopic pull rods are hinged with each other through rotating columns, the end surfaces of the other pair of X-shaped bidirectional spring telescopic pull rods, which are far away from each other, on one side are respectively fixedly connected with rotating shafts, one ends of the two rotating shafts, which are far away from each other, are rotatably connected to the inner wall of the mounting box, the end parts of the two adjacent parallel bidirectional spring telescopic pull rods are jointly rotatably connected with the correcting rollers, the gears are fixedly connected to the outer parts of the two rotating shafts, and a sliding ring is fixedly connected to the lower end surface of the mounting box, which is positioned below the gears, through an L-shaped rod, the inner part of the sliding ring is slidably connected with a push rod, the outer surface wall of the push rod and the upper end face of the sliding ring are fixedly connected with a return spring sleeved outside the push rod, the upper end of the push rod penetrates through the wall plate at the lower part of the mounting box and is fixedly connected with racks meshed with the gear, and the two racks in the mounting box are respectively positioned on different sides of the gear.
Furthermore, the angle-adjustable self-clamping mechanism comprises a latch column seat and a latch ring for adjusting the installation angle of the blade, a bidirectional spring telescopic compression bar and a clamping plate for clamping the blade, and an inverted U-shaped frame for installing the bidirectional spring telescopic compression bar, wherein the lower end face of the bearing plate is fixedly connected with the latch column seat, the lower part of the latch column seat is rotatably connected with a prism shaft, the lower end of the prism shaft is fixedly connected with the inverted U-shaped frame, the outer part of the prism shaft is slidably connected with the latch ring for being clamped with the latch column seat, a jacking spring arranged outside the prism shaft is sleeved between the latch ring and the inverted U-shaped frame through a common fixedly connected connection sleeve, two vertical sections of the inverted U-shaped frame are hinged with bidirectional spring telescopic compression bars on one sides close to each other, the two ends of the bidirectional spring telescopic compression bars are hinged with the clamping plate on one side far away from the vertical section of the inverted U-shaped frame, and one side, close to the bidirectional spring telescopic compression bar, of the vertical section of the inverted U-shaped frame is positioned above the bidirectional spring telescopic compression bar And the lower part is fixedly connected with a limiting abutting block.
Furthermore, the two bidirectional spring telescopic compression bars in the inverted U-shaped frame are arranged in a V shape in the initial state.
Furthermore, the upper parts of the end surfaces of one side, close to each other, of the two clamping plates are fixedly connected with abutting blocks.
Furthermore, the pulling mechanism comprises a pulling wheel and a pulling rod for pushing the bending deflection of the blades, a rotating disk for adjusting the bending angle of the blades, a worm wheel ring and a worm, as well as a trapezoidal sliding block and a trapezoidal push rod for adjusting the bending position of the blades, the circular center part of the upper end face of the bearing disk is rotatably connected with the rotating disk, the upper end face of the rotating disk is equidistantly and slidably connected with a plurality of trapezoidal sliding blocks which correspond to the correcting mechanism one by one along the circumferential direction and through a sliding chute matched with a sliding block, a tension spring is fixedly connected between the sliding chute and the sliding block together, the circular center part of the upper end face of the rotating disk is rotatably connected with a threaded rod, the external thread of the threaded rod is connected with a ring frame, the lower part of the circumference of the ring frame is equidistantly and fixedly connected with a plurality of trapezoidal push rods corresponding to the trapezoidal sliding blocks, the inclined plane of the trapezoidal sliding blocks is in contact with the inclined plane of the trapezoidal push rods, and the worm wheel ring is fixedly connected with the external of the rotating disk, the upper end surface of the bearing disc is rotatably connected with a worm meshed with the worm wheel ring through a shaft plate.
Furthermore, a driving lever is fixedly connected to one side end face, away from the circle center of the rotating disk, of each trapezoidal sliding block, a plurality of through grooves corresponding to the correction mechanisms are formed in the upper portion of the bearing disk at equal intervals along the circumferential direction of the upper portion of the bearing disk, the driving lever is located right above the through grooves, a connecting shaft is rotatably connected to one side end face, close to the through grooves, of the driving lever, and the lower end of the connecting shaft extends to the lower portion of the through grooves and is fixedly connected with a pulling wheel.
Furthermore, a guide groove is formed in the inclined surface of the trapezoidal sliding block, and the inclined surface of the trapezoidal push rod is fixedly connected with a guide block which is arranged in the guide groove in a sliding mode.
Furthermore, a slotted hole for the rack to move out is formed in the upper end face of the mounting box and located right above the rack.
Furthermore, the lower end of the ejector rod is fixedly connected with an elastic rubber ejector block.
Has the advantages that: (1) the in-process of placing the blade and carrying out the concatenation on the back dish, the ejector pin through among the correction mechanism is contradicted and is driven the rotatory expansion of two-way spring telescopic pull rod and drive the correction roller and remove to both sides from the middle part of blade gradually on the back dish, the correction roller can correct its lower part and the parallel of back dish upper portion with the blade is automatic at the in-process that removes, thereby in order to be convenient for blade and back dish can be tight the correct laminating concatenation of joint, welding quality is improved, simultaneously can also carry out the automatic correction to a plurality of blades simultaneously in step, welding speed is improved.
(2) The extension distance of the driving lever is controlled by controlling the extrusion amount of the trapezoidal sliding block extruded by the trapezoidal push rod through the mutual matching of the trapezoidal push rod and the trapezoidal sliding block of the pulling mechanism, so that the bending part of the blade can be adjusted according to the requirement, the bending amount of the blade is adjusted by controlling the rotation angle amount of the rotating disk through the combination of the worm and the worm wheel ring, and the bending precision of the blade is improved.
(3) The utility model discloses a clamping plate, including the blade, the blade is fixed on the clamping plate, the combination through latch post seat and latch ring circle, utilize the block and the separation of latch post seat and latch ring circle so that adjust the deflection angle of blade when grip block centre gripping blade wantonly according to the demand, the suitability has been improved, the in-process of two-way spring telescopic compression bar of rethread and grip block mutually supporting to the blade by centre gripping to complete centre gripping in advance, two adjacent two-way spring telescopic compression bar follow the rotatory splayed form that becomes of initial V state, thereby can firmly clip the blade, the follow-up condition that becomes flexible appears when correcting work to the blade has been avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of the structure of part a in fig. 1 according to the present invention.
Fig. 3 is a schematic structural diagram of the device after the installation of the rear disk and the blades.
FIG. 4 is a schematic structural diagram of the adjustable angle self-clamping mechanism and the straightening mechanism of the present invention.
FIG. 5 is a schematic structural diagram of an adjustable angle type self-clamping mechanism of the present invention.
Fig. 6 is a schematic structural view of the correcting mechanism of the invention.
FIG. 7 is a schematic top view of the correcting mechanism of the present invention.
FIG. 8 is a schematic diagram of the structure of the work object of the present apparatus.
In the figure: 1. a seat pan; 2. a multi-jaw chuck mechanism; 3. an L-shaped plate frame; 4. an electric telescopic rod; 5. a carrier tray; 6. the angle-adjustable self-clamping mechanism; 61. a latch post holder; 62. a latch ring; 63. a bidirectional spring telescopic compression bar; 64. a clamping plate; 65. an inverted U-shaped frame; 66. a prismatic shaft; 67. a jacking spring; 68. a limiting abutting block; 69. a stop block; 7. a correction mechanism; 71. mounting a box; 72. a leveling roller; 73. a bidirectional spring telescopic pull rod; 74. a gear; 75. a slip ring; 76. a top rod; 77. a rack; 78. a return spring; 8. a pulling mechanism; 81. pulling the driving wheel; 82. a deflector rod; 83. rotating the disc; 84. a worm-gear rim; 85. a worm; 86. a trapezoidal sliding block; 87. a trapezoidal push rod; 88. a threaded rod; 89. and a ring-shaped frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present embodiment, the welding work target is an impeller, and the specific shape thereof is as shown in fig. 8.
Referring to fig. 1, fig. 3 and fig. 4, the present invention provides a technical solution: a welding tool for manufacturing an impeller of a centrifugal ventilator comprises a seat disc 1, wherein a multi-jaw chuck mechanism 2 for placing a back disc is fixedly connected with the upper end surface of the seat disc 1, the multi-jaw chuck mechanism 2 is in the prior art, its concrete structure is not repeated, 1 up end rear portion symmetry fixedly connected with L type plate frame 3 of tray, the terminal surface just is located multi-jaw chuck mechanism 2 under two L type plate frame 3 horizontal sections bears dish 5 through electric telescopic handle 4 fixedly connected with directly over, bear 5 down the terminal surface of dish and be provided with a plurality of along its circumferencial direction equidistance and be used for carrying out the adjustable angle formula of centre gripping installation from fixture 6 to the blade, bear 5 down the terminal surface of dish along its circumferencial direction equidistance be provided with a plurality of and adjustable angle formula from fixture 6 corresponding and be used for adjusting the blade position so that with the correct correction mechanism 7 of concatenation of back dish, bear 5 upper portions of dish and be provided with the pulling mechanism 8 that is used for correcting the crooked angle of blade.
Referring to fig. 4 and 5, in this embodiment, the angle-adjustable self-clamping mechanism 6 includes a latch column base 61 and a latch ring 62 for adjusting the installation angle of the blade, a bidirectional spring telescopic pressing rod 63 and a clamping plate 64 for clamping the blade, and an inverted U-shaped frame 65 for installing the bidirectional spring telescopic pressing rod 63, the lower end surface of the carrier plate 5 is fixedly connected with the latch column base 61, the lower portion of the latch column base 61 is rotatably connected with a prism shaft 66, the lower end of the prism shaft 66 is fixedly connected with the inverted U-shaped frame 65, the outer portion of the prism shaft 66 is slidably connected with the latch ring 62 for clamping with the latch column base 61, a top movable spring 67 sleeved on the outer portion of the prism shaft 66 is fixedly connected between the latch ring 62 and the inverted U-shaped frame 65, the sides of the lower portions of two vertical sections of the inverted U-shaped frame 65, which are close to each other, are hinged with the bidirectional spring telescopic pressing rods 63, and the ends of the bidirectional spring telescopic pressing rods 63, which are far away from the vertical sections of the inverted U-shaped frame 65, are hinged with the clamping plate 64, in order to increase the clamping force, a rubber sheet (not shown in the figure) is arranged on one side of the clamping plates 64 close to each other, a limit abutting block 68 is fixedly connected to one side of the inverted U-shaped frame 65 close to the two-way spring telescopic pressure rod 63 and positioned above and below the two-way spring telescopic pressure rod 63, the distance between the limit abutting block 68 positioned at the upper part and the hinge joint of the two-way spring telescopic pressure rod 63 is smaller than the distance between the limit abutting block 68 positioned at the lower part and the hinge joint of the two-way spring telescopic pressure rod 63, the limit abutting block 68 can limit the two-way spring telescopic pressure rod 63 to keep the two-way spring telescopic pressure rod in an inclined state, so that the clamping plates 64 connected with the clamping plates can touch the blades, the two-way spring telescopic pressure rods 63 positioned in the inverted U-shaped frame 65 are arranged in a regular V shape, and abutting blocks 69 are fixedly connected to the upper parts of the end surfaces of the two clamping plates 64 close to each other, the two holding plates 64 are prevented from being completely attached together by the first mutual interference of the two stoppers 69, so as to facilitate the placement of the blade.
Before welding and splicing each component of the impeller, firstly, a rear disc is placed on a multi-jaw chuck mechanism 2 to clamp and limit the components, then blades to be welded are sequentially placed between clamping plates 64, the clamping plates 64 approach each other to preliminarily pre-clamp the blades under the jacking action of two adjacent two-way spring telescopic compression bars 63 in a V-shaped state, then the deflection angle of the blades is adjusted according to requirements, a latch ring 62 is pulled downwards to be separated from a latch column seat 61, then an inverted U-shaped frame 65 can be rotated to adjust the deflection angle of the blades according to requirements, the latch ring 62 is loosened after the adjustment is completed, a jacking spring 67 drives the latch ring 62 to ascend to be clamped with the latch column seat 61, the inverted U-shaped frame 65 is locked and limited, then an electric telescopic rod 4 drives a telescopic rod 5 to slowly descend, the telescopic rod 5 drives the blades to gradually descend until the blades are abutted against the rear disc, then the bearing plate 5 continues to descend, the inverted U-shaped frame 65 is driven to descend so as to jack the bidirectional spring telescopic pressing rod 63 to rotate, the bidirectional spring telescopic pressing rod 63 is continuously extruded and contracted while rotating so as to extrude the two adjacent clamping plates 64 to move towards the direction close to the blade, the clamping position of the blade is tightened, the bidirectional spring telescopic pressing rod 63 can abut against the limiting abutting block 68 on the upper portion after rotating to the horizontal position, the two adjacent bidirectional spring telescopic pressing rods 63 can be changed into a splayed shape from the initial V state, and therefore the complete clamping of the blade is completed.
Referring to fig. 6 and 7, in this embodiment, the straightening mechanism 7 includes a mounting box 71, a straightening roller 72 for straightening the blade, two pairs of two-way spring telescopic pull rods 73 arranged in an X shape for mounting the straightening roller 72, a gear 74 for cooperating with the two-way spring telescopic pull rods 73 to drive the straightening roller 72 to move, a slip ring 75, a push rod 76 and a rack 77, the mounting box 71 is fixedly connected to the lower portion of the carrier plate 5 through a fixing rod, the middle portions of one pair of the two-way spring telescopic pull rods 73 arranged in the X shape are hinged to each other through a rotating column, the end surfaces of the other pair of two-way spring telescopic pull rods 73 arranged in the X shape, which are far away from each other, are respectively and fixedly connected with rotating shafts, the ends of the two rotating shafts, which are far away from each other, are rotatably connected to the inner wall of the mounting box 71, the end portions of the two adjacent two parallel spring telescopic pull rods 73 are rotatably connected to the straightening roller 72 together, the outer portions of the two rotating shafts are both fixedly connected with the gear 74, the lower end face of the installation box 71 is located below the gear 74 and is fixedly connected with a sliding ring 75 through an L-shaped rod, the sliding ring 75 is connected with a push rod 76 in a sliding mode, the outer surface wall of the push rod 76 and the upper end face of the sliding ring 75 are fixedly connected with a return spring 78 sleeved outside the push rod 76, the lower end of the push rod 76 is fixedly connected with an elastic rubber jacking block, a protective effect can be achieved on a rear disc when the push rod 76 contacts with the rear disc, the rear disc is prevented from being scratched by the push rod 76, the upper end of the push rod 76 penetrates through a lower wall plate of the installation box 71 and is fixedly connected with a rack 77 meshed with the gear 74, two racks 77 located in the installation box 71 are respectively located on different sides of the gear 74, and a slotted hole for the rack 77 to move out is formed in the upper end face of the installation box 71 and located right above the rack 77.
The two bidirectional spring telescopic pull rods 73 arranged in an X shape are not unfolded and arranged in a shape similar to a straight line, meanwhile, the correcting rollers 72 are tightly attached to the middle parts of the blades under the pulling of the bidirectional spring telescopic pull rods 73, before the blades of the bearing disc 5 are not contacted with the rear disc in the descending process, the ejector rods 76 firstly abut against the upper end surface of the rear disc, then the bearing disc 5 gradually drives the installation box 71 to slowly descend and drives the gear 74 installed in the bearing disc to walk and rotate along the rack 77, the gear 74 then drives the bidirectional spring telescopic pull rods 73 connected with the gear 74 to rotate, the two bidirectional spring telescopic pull rods 73 arranged in a straight line shape are gradually unfolded to be in an X shape, the bidirectional spring telescopic pull rods 73 drive the correcting rollers 72 to move from the middle to two sides along the side parts of the blades in the unfolding process, and the deviated blades can be slowly corrected in the moving process, the adjustable angle formula is for the clamping state in advance to the blade from fixture 6 in the correction process, and the blade can also remove under the effect of external force, and the adjustable angle formula becomes complete clamping state from fixture 6 to the blade after correcting the completion, and the blade then can't remove this moment, and the last blade is laminated with the back plate upper portion under the drive that bears dish 5.
Referring to fig. 1 and 2, in this embodiment, the pulling mechanism 8 includes a pulling wheel 81 and a pulling rod 82 for pushing the blades to bend and deflect, a rotating disk 83 for adjusting the bending angle of the blades, a worm wheel 84 and a worm 85, and a trapezoidal sliding block 86 and a trapezoidal push rod 87 for adjusting the bending position of the blades, the central portion of the upper end surface of the carrier disk 5 is rotatably connected with the rotating disk 83, the upper end surface of the rotating disk 83 is connected with a plurality of trapezoidal sliding blocks 86 corresponding to the straightening mechanism 7 in an equidistant sliding manner along the circumferential direction thereof by a sliding slot and a sliding block, a tension spring is fixedly connected between the sliding slot and the sliding block, the central portion of the upper end surface of the rotating disk 83 is rotatably connected with a threaded rod 88, the outer portion of the threaded rod 88 is connected with a ring-shaped frame 89 by a thread, the lower portion of the circumference of the ring-shaped frame 89 is fixedly connected with a plurality of trapezoidal push rods 87 corresponding to the trapezoidal sliding blocks 86 at equal intervals, and the inclined surfaces of the trapezoidal sliding blocks 86 are in contact with the inclined surfaces of the trapezoidal push rods 87, the inclined plane of the trapezoidal sliding block 86 is provided with a guide groove, the inclined plane of the trapezoidal push rod 87 is fixedly connected with the guide block which is arranged in the guide groove in a sliding manner, the guide block can limit the trapezoidal push rod 87 and prevent the trapezoidal push rod 87 from rotating along with the rotation of the threaded rod 88 when the threaded rod 88 rotates, the outer part of the rotating disk 83 is fixedly connected with a worm wheel ring 84, the upper end surface of the bearing disk 5 is rotatably connected with a worm 85 meshed with the worm wheel ring 84 through a shaft plate, one side end surface of the trapezoidal sliding block 86, which is far away from the circle center of the rotating disk 83, is fixedly connected with a deflector rod 82, the upper part of the bearing disk 5 is provided with a plurality of through grooves corresponding to the correcting mechanisms 7 at equal intervals along the circumferential direction, the shifting rod 82 is located right above the through groove, a connecting shaft is rotatably connected to the end face of one side, close to the through groove, of the shifting rod 82, the connecting shaft is of an up-and-down telescopic structure, and the lower end of the connecting shaft extends to the lower portion of the through groove and is fixedly connected with the pulling wheel 81.
After the blades and the rear disc are attached together, the blades and the rear disc are welded and connected through external welding equipment, if welding points of the blades and the rear disc deform due to stress change in the welding process, the pulling wheel 81 is adjusted to move according to the bent part of the blades, the threaded rod 88 is rotated to drive the annular frame 89 to descend, the annular frame 89 drives the trapezoidal push rod 87 to descend, the inclined surfaces of the trapezoidal push rod 87 and the trapezoidal sliding block 86 are mutually extruded to push the trapezoidal sliding block 86 to move, the trapezoidal sliding block 86 drives the pulling wheel 81 to move to the part of the blades needing shape correction and bending through the pulling rod 82, then the worm 85 is rotated to drive the worm wheel ring 84 to rotate, the worm wheel ring 84 drives the rotating disc 83 to rotate, the rotating disc 83 drives the blades to bend through the pulling rod 82 and the pulling wheel 81 to correct the blades, and influence on subsequent welding work and use of the blades due to blade deformation is reduced, because the connecting shaft is of an up-down telescopic structure, the length of the connecting shaft can be adjusted according to the number of the blades which actually deform, the height of the driving lever 82 is further adjusted, the straightening blades are not required to be in contact with the driving lever 82, the bearing disc 5 is driven to leave from the upper part of the blades through the electric telescopic rod 4 after welding is completed, then the front disc is placed on the upper part of the blades and welded through the welding head, and therefore all welding and assembling work of the impeller is completed.
When the device works, a rear disc is placed on a multi-jaw chuck mechanism 2 to be clamped and installed, then blades are placed in an adjustable angle type self-clamping mechanism 6 to be pre-clamped, the deflection angle of the blades is adjusted according to requirements, then a bearing disc 5 is driven to descend through an electric telescopic rod 4, a correcting mechanism 7 operates to correct the blades in the descending process of the bearing disc 5, the adjustable angle type self-clamping mechanism 6 clamps the blades completely after the correction is finished, then the blades and the rear disc are welded through an external welding head, when the blades deform due to stress change of a welding position in the welding process, the bending radian of the blades is adjusted through a pulling mechanism 8 to correct the blades, the bearing disc 5 is controlled to leave from the upper parts of the blades after the welding is finished, the front disc is placed on the upper parts of the blades, and then the blades and the front disc are welded together through a welding head, thereby completing the whole welding assembly work of the impeller.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a welding frock is made to centrifugal fan impeller, includes seat dish (1), its characterized in that: the upper end surface of the seat disc (1) is fixedly connected with a multi-jaw chuck mechanism (2) for placing a rear disc, the rear part of the upper end surface of the seat disc (1) is symmetrically and fixedly connected with L-shaped plate frames (3), the lower end surfaces of the transverse sections of the two L-shaped plate frames (3) are positioned right above the multi-jaw chuck mechanism (2) and are fixedly connected with a bearing disc (5) through an electric telescopic rod (4), a plurality of angle-adjustable self-clamping mechanisms (6) for clamping and mounting the blades are arranged on the lower end surface of the bearing disc (5) at equal intervals along the circumferential direction, a plurality of straightening mechanisms (7) which correspond to the angle-adjustable self-clamping mechanisms (6) and are used for adjusting the positions of the blades so as to be correctly spliced with the rear disc are arranged on the lower end surface of the bearing disc (5) at equal intervals along the circumferential direction, the upper part of the bearing disc (5) is provided with a pulling mechanism (8) for correcting the bending angle of the blade;
the straightening mechanism (7) comprises a mounting box (71), a straightening roller (72) for straightening blades, two pairs of two-way spring telescopic pull rods (73) which are arranged in an X shape and are used for mounting the straightening roller (72), and a gear (74), a sliding ring (75), a push rod (76) and a rack (77) which are used for being matched with the two-way spring telescopic pull rods (73) so as to drive the straightening roller (72) to move, wherein the mounting box (71) is fixedly connected to the lower part of the bearing disc (5) through a fixed rod, the middle parts of the two-way spring telescopic pull rods (73) which are arranged in the X shape are hinged with each other through rotating columns, the end surfaces of one side, away from each other, of the middle parts of the other pair of two-way spring telescopic pull rods (73) which are arranged in the X shape are respectively and fixedly connected with rotating shafts, the ends, away from each other, of the two rotating shafts are rotatably connected to the inner wall of the mounting box (71), the two adjacent two-way spring telescopic pull rods (73) which are arranged in the parallel are jointly and rotatably connected with the straightening roller (72), the outer portion of the two rotating shafts is fixedly connected with a gear (74), the lower end face of the mounting box (71) is located below the gear (74) and is fixedly connected with a sliding ring (75) through an L-shaped rod, an ejector rod (76) is connected to the inner portion of the sliding ring (75) in a sliding mode, a reset spring (78) arranged outside the ejector rod (76) is sleeved with the outer surface wall of the ejector rod (76) and the upper end face of the sliding ring (75) in a fixedly connected mode, the upper end of the ejector rod (76) penetrates through the lower wall plate of the mounting box (71) and is fixedly connected with a rack (77) meshed with the gear (74), and the racks (77) located in the mounting box (71) are located on different sides of the gear (74) respectively.
2. The welding frock is made to centrifugal fan impeller of claim 1, characterized in that: the angle-adjustable self-clamping mechanism (6) comprises a latch column seat (61) and a latch ring (62) for adjusting the installation angle of the blade, a bidirectional spring telescopic pressure rod (63) and a clamping plate (64) for clamping the blade, and an inverted U-shaped frame (65) for installing the bidirectional spring telescopic pressure rod (63), wherein the lower end face of the bearing plate (5) is fixedly connected with the latch column seat (61), the lower part of the latch column seat (61) is rotatably connected with a prism shaft (66), the lower end of the prism shaft (66) is fixedly connected with the inverted U-shaped frame (65), the outer part of the prism shaft (66) is slidably connected with a latch ring (62) for being clamped with the latch column seat (61), a top spring (67) sleeved outside the prism shaft (66) is fixedly connected between the latch ring (62) and the inverted U-shaped frame (65) together, and the bidirectional spring telescopic pressure rod (63) is hinged to one side of the lower parts of two vertical sections of the inverted U-shaped frame (65) which are close to each other, the clamping plate is hinged to one end, far away from the vertical section of the inverted-U-shaped frame (65), of the two-way spring telescopic pressing rod (63), and the side, close to the two-way spring telescopic pressing rod (63), of the vertical section of the inverted-U-shaped frame (65) is located above and below the two-way spring telescopic pressing rod (63) and is fixedly connected with a limiting abutting block (68).
3. The centrifugal fan impeller manufacturing and welding tool according to claim 2, characterized in that: the two bidirectional spring telescopic pressing rods (63) positioned in the inverted U-shaped frame (65) are arranged in a V shape in an initial state.
4. The welding frock is made to centrifugal fan impeller of claim 2, characterized in that: the upper parts of the end surfaces of one side, close to each other, of the two clamping plates (64) are fixedly connected with abutting blocks (69).
5. The welding frock is made to centrifugal fan impeller of claim 1, characterized in that: the device is characterized in that the pulling mechanism (8) comprises a pulling wheel (81) and a pulling rod (82) for pushing the bending deflection of the blades, a rotating disk (83), a worm gear ring (84) and a worm (85) for adjusting the bending angle of the blades, and trapezoidal sliding blocks (86) and trapezoidal push rods (87) for adjusting the bending position of the blades, the circular center of the upper end face of the bearing disk (5) rotates to be connected with the rotating disk (83), the upper end face of the rotating disk (83) is connected with the trapezoidal sliding blocks (86) corresponding to the correcting mechanism (7) in an equidistance sliding mode along the circumferential direction of the upper end face of the rotating disk (83), the trapezoidal sliding blocks (86) are connected with the sliding blocks in a one-to-one mode through sliding of the sliding chutes in an equidistance mode, the circular center of the upper end face of the rotating disk (83) is connected with a threaded rod (88), the external thread of the threaded rod (88) is connected with a ring frame (89), and the trapezoidal push rods (87) corresponding to the trapezoidal sliding blocks (86) are fixedly connected with the equal distances at the lower portion of the circumference of the ring frame (89) And the inclined plane of the trapezoidal sliding block (86) is contacted with the inclined plane of the trapezoidal push rod (87), the outer part of the rotating disc (83) is fixedly connected with a worm wheel ring (84), and the upper end surface of the bearing disc (5) is rotatably connected with a worm (85) meshed with the worm wheel ring (84) through a shaft plate.
6. The welding frock is made to centrifugal fan impeller of claim 5, characterized in that: trapezoidal sliding block (86) keep away from a side end face fixedly connected with driving lever (82) of rotary disk (83) centre of a circle, bear and set up a plurality of and correctional agency (7) corresponding logical groove along its circumferencial direction equidistance on (5) upper portion, and driving lever (82) are located logical groove directly over, driving lever (82) are close to a side end face rotation that leads to the groove and are connected with the connecting axle, the connecting axle lower extreme extends to logical groove lower part and fixedly connected with and pulls driving wheel (81).
7. The centrifugal fan impeller manufacturing and welding tool according to claim 5, characterized in that: a guide groove is formed in the inclined surface of the trapezoid sliding block (86), and the inclined surface of the trapezoid push rod (87) is fixedly connected with a guide block which is arranged in the guide groove in a sliding mode.
8. The centrifugal fan impeller manufacturing and welding tool according to claim 1, characterized in that: and a slotted hole for the rack (77) to move out is formed in the upper end surface of the mounting box (71) and is positioned right above the rack (77).
9. The welding frock is made to centrifugal fan impeller of claim 1, characterized in that: the lower end of the ejector rod (76) is fixedly connected with an elastic rubber ejector block.
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| CN202210895878.0A CN115070323B (en) | 2022-07-28 | 2022-07-28 | Welding frock is made to centrifugal fan impeller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116652436A (en) * | 2023-06-19 | 2023-08-29 | 贵州贵水投资发展股份有限公司 | Automatic welding equipment for sewage pump body |
| CN117020503A (en) * | 2023-10-09 | 2023-11-10 | 云南流体规划研究院有限公司 | Concentrated sulfuric acid submerged energy-saving pump impeller welding device |
| CN117655626A (en) * | 2024-02-01 | 2024-03-08 | 广东鑫风风机有限公司 | Fan blade welding device and application method thereof |
| CN117798343A (en) * | 2024-03-01 | 2024-04-02 | 成都新航工业科技股份有限公司 | Closed impeller shell forming die |
| CN117961200A (en) * | 2024-04-02 | 2024-05-03 | 成都晨发泰达航空科技股份有限公司 | PSP solder segment-changing welding device for superalloy guide blade |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406584A (en) * | 1980-08-07 | 1983-09-27 | Stepp William J | Vertical axis windmill with multistage feathering of blades and safety storm control |
| CN206029149U (en) * | 2016-08-17 | 2017-03-22 | 南方风机股份有限公司 | Welding frock of axial fan impeller with adjustable |
| CN209223474U (en) * | 2018-11-23 | 2019-08-09 | 佛山市固高自动化技术有限公司 | A kind of assembly positioning device of fan impeller blade and draught fan impeller chassis |
| CN213470051U (en) * | 2020-09-18 | 2021-06-18 | 桂林鸿程机电设备有限公司 | Impeller integral welding deformation control device |
| CN213531435U (en) * | 2020-11-13 | 2021-06-25 | 安徽和众风机有限公司 | Blade welding tool for machining centrifugal fan impeller |
| CN215615983U (en) * | 2021-08-31 | 2022-01-25 | 上海德惠特种风机有限公司 | Automatic welding and positioning device for centrifugal ventilator blades |
| CN216633132U (en) * | 2021-12-16 | 2022-05-31 | 烟台璟泰机械设备制造有限公司 | Guide wheel welding tool |
-
2022
- 2022-07-28 CN CN202210895878.0A patent/CN115070323B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406584A (en) * | 1980-08-07 | 1983-09-27 | Stepp William J | Vertical axis windmill with multistage feathering of blades and safety storm control |
| CN206029149U (en) * | 2016-08-17 | 2017-03-22 | 南方风机股份有限公司 | Welding frock of axial fan impeller with adjustable |
| CN209223474U (en) * | 2018-11-23 | 2019-08-09 | 佛山市固高自动化技术有限公司 | A kind of assembly positioning device of fan impeller blade and draught fan impeller chassis |
| CN213470051U (en) * | 2020-09-18 | 2021-06-18 | 桂林鸿程机电设备有限公司 | Impeller integral welding deformation control device |
| CN213531435U (en) * | 2020-11-13 | 2021-06-25 | 安徽和众风机有限公司 | Blade welding tool for machining centrifugal fan impeller |
| CN215615983U (en) * | 2021-08-31 | 2022-01-25 | 上海德惠特种风机有限公司 | Automatic welding and positioning device for centrifugal ventilator blades |
| CN216633132U (en) * | 2021-12-16 | 2022-05-31 | 烟台璟泰机械设备制造有限公司 | Guide wheel welding tool |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116652436A (en) * | 2023-06-19 | 2023-08-29 | 贵州贵水投资发展股份有限公司 | Automatic welding equipment for sewage pump body |
| CN116652436B (en) * | 2023-06-19 | 2024-03-08 | 贵州贵水投资发展股份有限公司 | Automatic welding equipment for sewage pump body |
| CN117020503A (en) * | 2023-10-09 | 2023-11-10 | 云南流体规划研究院有限公司 | Concentrated sulfuric acid submerged energy-saving pump impeller welding device |
| CN117020503B (en) * | 2023-10-09 | 2023-12-22 | 云南流体规划研究院有限公司 | Concentrated sulfuric acid submerged energy-saving pump impeller welding device |
| CN117655626A (en) * | 2024-02-01 | 2024-03-08 | 广东鑫风风机有限公司 | Fan blade welding device and application method thereof |
| CN117655626B (en) * | 2024-02-01 | 2024-04-02 | 广东鑫风风机有限公司 | Fan blade welding device and application method thereof |
| CN117798343A (en) * | 2024-03-01 | 2024-04-02 | 成都新航工业科技股份有限公司 | Closed impeller shell forming die |
| CN117798343B (en) * | 2024-03-01 | 2024-05-14 | 成都新航工业科技股份有限公司 | Closed impeller shell forming die |
| CN117961200A (en) * | 2024-04-02 | 2024-05-03 | 成都晨发泰达航空科技股份有限公司 | PSP solder segment-changing welding device for superalloy guide blade |
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| CN115070323B (en) | 2022-11-15 |
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