CN117020503A - An energy-saving pump impeller welding device under concentrated sulfuric acid liquid - Google Patents
An energy-saving pump impeller welding device under concentrated sulfuric acid liquid Download PDFInfo
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- CN117020503A CN117020503A CN202311294694.XA CN202311294694A CN117020503A CN 117020503 A CN117020503 A CN 117020503A CN 202311294694 A CN202311294694 A CN 202311294694A CN 117020503 A CN117020503 A CN 117020503A
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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 for a procedure covered by only one of the other main groups of this subclass
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
本发明属于液下泵的叶轮焊接技术领域，公开了一种浓硫酸液下节能泵叶轮焊接装置，包括底座，底座上固定连接有若干个支撑杆，每一个所述支撑杆上均设置有支撑组，在底片放置完成后，将叶片放置到夹紧杆中，然后驱动组使两个驱动杆相互靠近，在这一过程中调节轮会先从底部推动处于倾斜的一侧的叶片的位置，在驱动杆移动的过程中逐渐的将叶片向竖直态推动，并且这一推动过程是一个硬性的推动过程，等到挡杆移动到槽口内部后通过第三弹簧的压缩能够使调节轮给与叶片一个能够缓冲的支撑，从而继续对叶片进行调节，直到叶片属于竖直状态。本发明的浓硫酸液下节能泵叶轮焊接装置，解决了现有技术中叶轮焊接过程中定位困难的问题，焊接效率显著提升。
The invention belongs to the technical field of impeller welding for submersible pumps. It discloses an impeller welding device for a concentrated sulfuric acid submersible energy-saving pump, which includes a base. Several support rods are fixedly connected to the base, and each of the support rods is provided with a support. group, after the negative film is placed, place the blade into the clamping rod, and then drive the group to bring the two driving rods close to each other. In this process, the adjusting wheel will first push the position of the blade on the inclined side from the bottom, During the movement of the driving rod, the blade is gradually pushed vertically, and this pushing process is a hard pushing process. After the blocking rod moves to the inside of the notch, the compression of the third spring can cause the adjusting wheel to give The blade is provided with a cushioning support to continue adjusting the blade until the blade is in a vertical position. The energy-saving pump impeller welding device under concentrated sulfuric acid liquid of the present invention solves the problem of difficult positioning of the impeller in the prior art, and significantly improves the welding efficiency.
Description
Technical Field
The invention relates to the technical field of impeller welding, in particular to a device for welding an impeller of an energy-saving pump under concentrated sulfuric acid liquid.
Background
The impeller comprises blade, film and cover plate triplex, and the impeller is put in proper order with a plurality of blades of impeller on the film at welded in-process, then is in proper order with the local welding of film and blade together, wait for the whole fixed back of impeller and carry out the omnidirectional welding again, then will cover plate welding, because of the angle and the position of needs constantly adjustment impeller at welded in-process to avoid can't laminate with the cover plate after the welding is accomplished, so need the staff to pay higher time cost, inefficiency.
Based on the above, the invention designs an impeller welding device of an energy-saving pump under concentrated sulfuric acid liquid, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a welding device for an impeller of an energy-saving pump under concentrated sulfuric acid liquid, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the welding device for the concentrated sulfuric acid submerged energy-saving pump impeller comprises a base, wherein a plurality of support rods are fixedly connected to the base, and each support rod is provided with a support group;
the support group comprises a cross rod, the cross rod is arranged above the support rod, and the cross rod is connected with two clamping rods in a sliding manner; the two clamping rods are fixedly connected with a first spring for resetting the clamping rods, and are slidably connected with a plurality of limiting pieces; the limiting pieces are fixedly connected with second springs for resetting the limiting pieces, each limiting piece is rotationally connected with a roller, driving rods are arranged below the two clamping rods, and the two driving rods are connected with positioning rods in a sliding mode; the two driving rods are fixedly connected with a third spring for resetting the driving rods, and are slidably connected with two L-shaped rods; the four L-shaped rods are fixedly connected with fourth springs for resetting the L-shaped rods, the L-shaped rods can push the clamping rods to move, the four L-shaped rods are rotatably connected with adjusting wheels, the adjusting wheels are positioned on the inner sides of the rollers, the positioning rods are provided with notches, and the two L-shaped rods are slidably connected with stop rods; the two stop rods are fixedly connected with a fifth spring for resetting the stop rods;
one side of the positioning rod is provided with a driving group, and the driving group is used for driving the two driving rods to be close to each other.
As a further scheme of the invention, the driving group comprises a U-shaped plate, the U-shaped plate is in sliding connection with the supporting rods, two supporting rods are rotatably connected to the U-shaped plate, and the other ends of the two supporting rods are respectively and rotatably connected with the two driving rods;
the driving group further comprises a linear conveying group, and the linear conveying group is used for enabling the U-shaped plate to slide along the supporting rods.
As a further scheme of the invention, the linear conveying group comprises an air cylinder, a sixth spring is fixedly connected between the air cylinder and the U-shaped plate, and the positioning rod is in sliding connection with the inner wall of the supporting rod.
As a further scheme of the invention, the cross rod is connected with the upright rod in a sliding way, the upright rod is rotationally connected with two elastic telescopic rods, the other ends of the two elastic telescopic rods are rotationally connected with the sliding rod, and the two sliding rods are respectively connected with the first rack rod in a sliding way; the two sliding rods are fixedly connected with seventh springs for resetting the sliding rods, the two first rack rods are connected with connecting pieces in a sliding mode, eighth springs are fixedly connected between the first rack rods and the connecting pieces, and the two connecting pieces are connected with the two clamping rods in a sliding mode respectively; the two connecting pieces are fixedly connected with ninth springs for enabling the connecting pieces to reset, the two connecting pieces are rotatably connected with first gears, and belts are connected between the two first gears and adjacent rollers in a transmission mode.
As a further scheme of the invention, the positioning rod is slidably connected with a second rack rod, the second rack rod is fixedly connected with the cross rod, the second rack rod is meshed with a second gear, the second gear is rotatably connected with the positioning rod, a third rack rod is fixedly connected on the supporting rod, and the third rack rod can be meshed with the second gear.
As a further scheme of the invention, the rotating rod at the top end of the base is connected with a plurality of balls.
As a further scheme of the invention, the belt is a toothed belt, and rubber layers are glued outside the roller and the regulating wheel.
As a further scheme of the invention, inclined surfaces are formed on two side walls of the notch.
Compared with the prior art, the invention has the beneficial effects that:
1. after the negative is placed, the blade is placed in the clamping rod, then the driving group enables the two driving rods to be close to each other, in the process, the adjusting wheel can push the position of the blade on one inclined side from the bottom, the blade is gradually pushed to a vertical state in the moving process of the driving rods, the pushing process is a hard pushing process, and after the stop lever moves into the notch, the adjusting wheel can be supported with the blade in a buffering mode through the compression of the third spring, so that the blade is continuously adjusted until the blade is in a vertical state.
2. Can carry out thorough clamp fixing to the blade after the clamping lever removes extreme position through gyro wheel, locating part and second spring to prevent that the blade from removing, and then make the blade can be in vertically in the position of fixed putting, do not need the manual work to repeatedly carry out work such as adjustment alignment of position.
3. The blade is clamped through the plurality of rollers, whether the outer end is in the inclined blade or the outer end is vertical but the inner end is out of the inclined blade, the outer wall of the adjusting wheel is contacted with the blade after the rollers clamp the blade, and the adjusting wheel is positioned under the rollers, so that the adjusting wheel is positioned under the rollers after the rollers clamp the blade, and the adjusting wheels are distributed according to the position state of the rollers clamping the blade when the inclined blade is clamped.
4. The locating lever and the bracing piece sliding connection can all adjust and restrict when placing to the film of equidimension not to satisfy put and the weldment work of blade on the impeller of equidimension not, and, can also adjust the film when the locating lever removes, make the centre of a circle of film and the centre of a circle of base be in same axis, and then make things convenient for putting of blade, moreover, through pole setting, the gyro wheel, elastic telescopic link, the cooperation of first rack bar and slide bar, can also carry the blade, make the tip and the horizontal pole contact of blade, thereby avoid the position difference that the blade placed to cause the problem that the position is different, the pole setting can restrict the cover plate when restricting the blade.
Drawings
FIG. 1 is a top view of a blade with an outer end in a vertical position;
FIG. 2 is a top view of a blade in an overall inclined state;
FIG. 3 is a schematic view of a blade, base and cover sheets;
FIG. 4 is a schematic diagram of the overall structure of the present invention;
FIG. 5 is a schematic view of the connection relationship between the ball and the base and the connection relationship according to the present invention;
FIG. 6 is a schematic view of the structure of the support set of the present invention;
FIG. 7 is a schematic view of the positional relationship of the cross bar, the roller and the first rack bar of the present invention;
FIG. 8 is a schematic view of the positional relationship of the belt, first rack bar, connecting tab and limiter of the present invention;
FIG. 9 is a schematic view of the positional relationship of the slide bar, the first rack bar, and the seventh spring of the present invention;
fig. 10 is a schematic view showing the positional relationship of the ninth spring, the eighth spring and the first rack bar of the present invention;
FIG. 11 is a schematic view of the positional relationship of the positioning rod, the driving rod and the adjustment wheel of the present invention;
FIG. 12 is a schematic view of the positional relationship of the drive rod, the stop lever and the L-shaped rod of the present invention;
fig. 13 is a schematic diagram showing the positional relationship of the second gear, the positioning rod and the third rack bar according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a base; 2. a support rod; 3. a cross bar; 4. a clamping rod; 5. a first spring; 6. a limiting piece; 7. a roller; 8. a second spring; 9. a driving rod; 10. a positioning rod; 11. a third spring; 12. an L-shaped rod; 13. a fourth spring; 14. an adjusting wheel; 15. a stop lever; 16. a fifth spring; 17. a U-shaped plate; 18. a support rod; 19. a cylinder; 20. a sixth spring; 21. a vertical rod; 22. an elastic telescopic rod; 23. a slide bar; 24. a first rack bar; 25. a seventh spring; 26. a connecting sheet; 27. an eighth spring; 28. a ninth spring; 29. a first gear; 30. a belt; 31. a second rack bar; 32. a second gear; 33. a third rack bar; 34. a ball; 35. a notch;
01. a negative; 02. a blade; 03. and (5) a cover plate.
Detailed Description
Referring to fig. 1-13, the present invention provides a technical solution: the utility model provides an energy-conserving pump impeller welding set under concentrated sulfuric acid liquid, includes base 1, fixedly connected with a plurality of bracing piece 2 on the base 1, every all be provided with the support group on the bracing piece 2.
The support group comprises a cross rod 3, the cross rod 3 is arranged above the support rod 2, and the cross rod 3 is connected with two clamping rods 4 in a sliding manner; the two clamping rods 4 are fixedly connected with a first spring 5 for resetting the clamping rods, and the two clamping rods 4 are slidably connected with a plurality of limiting pieces 6; the limiting pieces 6 are fixedly connected with second springs 8 for resetting the limiting pieces, each limiting piece 6 is rotatably connected with a roller 7, driving rods 9 are arranged below the two clamping rods 4, and the two driving rods 9 are connected with a positioning rod 10 in a sliding manner; the two driving rods 9 are fixedly connected with a third spring 11 for resetting the driving rods, and the two driving rods 9 are slidably connected with two L-shaped rods 12; the four L-shaped rods 12 are fixedly connected with fourth springs 13 for resetting the L-shaped rods, the L-shaped rods 12 can push the clamping rods 4 to move, the four L-shaped rods 12 are rotatably connected with adjusting wheels 14, the adjusting wheels 14 are positioned on the inner sides of the rollers 7, the positioning rods 10 are provided with notches 35, and the two L-shaped rods 12 are slidably connected with stop rods 15; a fifth spring 16 for resetting the stop lever 15 is fixedly connected to both stop levers.
One side of the positioning rod 10 is provided with a driving group, and the driving group is used for driving the two driving rods 9 to approach each other.
When the impeller is put into practical use, firstly, the bottom plate 01 of the impeller to be welded is placed on the base 1, the bottom plate 01 is positioned between the positioning rods 10, the bottom plate 01 can be limited through the positioning rods 10, then the blades 02 are respectively placed between the two clamping rods 4 of each supporting group, and a certain distance is reserved between the two clamping rods 4, so that the blades 02 can be directly placed between the clamping rods 4, and the driving group is started after all the blades 02 are placed.
When the driving group works, the two driving rods 9 are pushed to slide along the positioning rods 10 and stretch the third springs 11, the two driving rods 9 can drive the stop rods 15 and the L-shaped rods 12 to move together when sliding, and because the adjusting wheels 14 are positioned on the inner sides of the rollers 7, namely, the distance between the adjusting wheels 14 and the blades 02 is smaller than that of the rollers 7, when the L-shaped rods 12 push the clamping rods 4 to slide along the transverse rods 3, the adjusting wheels 14 are positioned in front of the rollers 7, and because the blades 02 are positioned between the two clamping rods 4, the blades 02 are inclined, the blades 02 are contacted with the bottoms of the blades 02 when the adjusting wheels 14 move, and the blades 02 with inclined bottoms can be pushed from the bottoms when the blades 02 are contacted with the blades 02, so that the top and the bottom of the blades 02 can approach to the middle, and the top and the bottom of the blades 02 can tend to be in a vertical state.
When the driving rod 9 slides along the positioning rod 10, the end of the stop lever 15 moves against the side wall of the positioning rod 10, the adjusting wheel 14 continuously pushes the blade 02, so that the bottom of the blade 02 can slide along the base 1 and then tends to be vertical, the protruding position of the side wall of the stop lever 15 is used for blocking the L-shaped rod 12, so that the L-shaped rod 12 can slide along the driving rod 9, the fifth spring 16 is always in a compressed state in the process of moving the driving rod 9, so that the adjusting wheel 14 can gradually push the blade 02 in the vertical state in the process, when the stop lever 15 reaches the position of the notch 35 after a certain distance, the stop lever 15 enters the notch 35 under the elastic action of the fifth spring 16, at the moment, the stop lever 15 releases the blocking of the L-shaped rod 12, the adjustment wheel 14 also pushes the blade 02 to a position which is approximately vertical (perhaps with a small amount of inclination or is already in a vertical state), then the adjustment wheel 14 continues to push the blade 02, and the blade 02 is of a certain thickness, after the stop lever 15 enters the notch 35, the blade 02 is already in a vertical state or is about to be in a vertical state, if in a vertical state, the two adjustment wheels 14 are blocked by the blade 02 during relative movement and cannot continue to move, so that the L-shaped rod 12 slides along the driving rod 9 and compresses the fourth spring 13 when blocked, at the moment, the compression of the fourth spring 13 can limit the positions of the two sides of the blade 02 by the adjustment wheel 14 and the L-shaped rod 12, so that the blade 02 cannot tilt again, if in a vertical state, during the continued movement of the driving rod 9 and the L-shaped rod 12, the blade 02 is pushed further in the vertical direction by the elasticity of the fourth spring 13.
Then the driving rod 9 continues to move, at this moment, the rollers 7 on the two clamping rods 4 are contacted with the blades 02, after the rollers are contacted with the blades 02, the limiting pieces 6 move along the clamping rods 4 and compress the second springs 8, so that the rollers 7 can clamp the blades 02 from two sides, and after the driving group drives the driving rod 9 to move to the limiting position, the fixing work of the blades 02 can be completed.
In this way, after the placement of the film 01 is completed, the blade 02 is placed in the clamping bar 4, and then the driving group brings the two driving bars 9 close to each other, in this process, the adjusting wheel 14 pushes the position of the blade 02 on the inclined side from the bottom, in the moving process of the driving bars 9, the blade 02 is gradually pushed to the vertical state, and this pushing process is a hard pushing process, and after the stop lever 15 moves into the notch 35, the adjusting wheel 14 can be supported by the fourth spring 13 to buffer the blade 02, so that the blade 02 is continuously adjusted until the blade 02 is in the vertical state.
Can carry out thorough clamp fixing to blade 02 after clamping lever 4 removes extreme position through gyro wheel 7, locating part 6 and second spring 8 to prevent that blade 02 from removing, and then make blade 02 can be in vertically in the position of fixed putting, do not need the manual work to repeatedly carry out work such as adjustment alignment of position.
After the blade 02 is placed, a worker can weld the part or the whole of the blade 02 by laser welding or manually, and the cover piece 03 is directly placed on the blade 02 after the blade 02 is welded, and the top end of the blade 02 is inclined, so that the inner wall of the cover piece 03 is inclined, and the cover piece and the blade 02 can be directly aligned when being attached to each other.
As shown in fig. 1 and 2, the blade 02 is clamped by the plurality of rollers 7, both the blade 02 with the outer end portion inclined and the blade 02 with the outer end portion vertical and the inner end portion inclined can be clamped well, the outer wall of the regulating wheel 14 is in contact with the blade 02 after the roller 7 clamps the blade 02, and the regulating wheel 14 is positioned under the roller 7, so that the regulating wheel 14 is positioned under the roller 7 after the roller 7 clamps the blade 02, and the regulating wheel 14 is distributed according to the position state of the roller 7 clamping the blade 02 when the blade 02 which is inclined is clamped.
When the driving assembly stops working after the welding is finished, the clamping rod 4 and the driving rod 9 can be reset through the first spring 5 and the third spring 11, the side wall of the notch 35 is provided with an inclined surface, and the stop rod 15 can be moved out of the notch 35 when the driving rod 9 is reset.
As a further scheme of the invention, the driving set comprises a U-shaped plate 17, the U-shaped plate 17 is slidably connected with the supporting rod 2, two supporting rods 18 are rotatably connected to the U-shaped plate 17, and the other ends of the two supporting rods 18 are rotatably connected with the two driving rods 9 respectively.
The drive unit further includes a linear conveyor unit for sliding the U-shaped plate 17 along the support bar 2.
As a further scheme of the invention, the linear conveying group comprises an air cylinder 19, a sixth spring 20 is fixedly connected between the air cylinder 19 and the U-shaped plate 17, and the positioning rod 10 is in sliding connection with the inner wall of the supporting rod 2.
When the scheme is in operation, firstly, the negative film 01 is placed on the base 1, then the air cylinder 19 is started, when the air cylinder 19 is in operation, the U-shaped plate 17 is pulled to slide along the supporting rod 2 by the sixth spring 20, and when the U-shaped plate 17 moves, the positioning rod 10 is pushed to move by the supporting rod 18, so that the positioning rod 10 approaches to the negative film 01, and when a plurality of positioning rods 10 move towards the negative film 01, if the negative film 01 is not well placed, the negative film 01 can be pushed to move along the base 1 by the contact of the positioning rods 10 and the negative film 01, and the circle center of the negative film 01 and the circle center of the base 1 can be in the same axis.
When the positioning rods 10 are contacted with the bottom plate 01 to a certain extent, namely, after the circle center of the bottom plate 01 and the circle center of the base 1 are positioned on the same axis, the sixth spring 20 is stretched for a certain length, at this time, the air cylinder 19 is stopped, then the blade 02 is placed between the two clamping rods 4, then the air cylinder 19 is started again, the air cylinder 19 is shortened to the limit position, when the air cylinder 19 is shortened for the second time, namely, after the positioning rods 10 are contacted with the bottom plate 01, the U-shaped plate 17 moves along the supporting rods 2 towards the direction of the bottom plate 01, and the two driving rods 9 are pushed by the supporting rods 18 to slide along the positioning rods 10, so that the inclined blade 02 is adjusted by the adjusting wheels 14, and the blade 02 is clamped after the blade 02 is vertical.
The positioning rod 10 is in sliding connection with the supporting rod 2, and can be adjusted and limited when being placed against the bottom plates 01 with different sizes, so that the placing and welding work of the blades 02 on the impellers with different sizes is met.
As a further scheme of the invention, the cross rod 3 is slidingly connected with a vertical rod 21, the vertical rod 21 is rotationally connected with two elastic telescopic rods 22, the other ends of the two elastic telescopic rods 22 are rotationally connected with slide rods 23, and the two slide rods 23 are slidingly connected with a first rack rod 24; the two sliding rods 23 are fixedly connected with seventh springs 25 for resetting the sliding rods, the two first rack rods 24 are slidably connected with connecting pieces 26, eighth springs 27 are fixedly connected between the first rack rods 24 and the connecting pieces 26, and the two connecting pieces 26 are slidably connected with the two clamping rods 4 respectively; the two connecting pieces 26 are fixedly connected with ninth springs 28 for resetting the connecting pieces, the two connecting pieces 26 are rotatably connected with first gears 29, and belts 30 are in transmission connection between the two first gears 29 and the adjacent rollers 7.
In operation, after the positioning rod 10 contacts with the bottom sheet 01, the blades 02 are placed on the supporting group, then the cover sheet 03 is placed on the plurality of blades 02, then the air cylinder 19 shortens again, at this time, the U-shaped plate 17 pushes the two driving rods 9 through the supporting rods 18 to move, and after the driving rods 9 move to a certain extent, the inclination of the blades 02 is regulated by the regulating wheels 14, so that the blades 02 can be vertical, and then the blades 02 are clamped by the idler wheels 7.
The U-shaped plate 17 is about to move to the limit position and then indicates that the blades 02 are vertical and clamped by the rollers 7, at this time, the side wall of the U-shaped plate 17 is contacted with the slide rod 23 and pushes the first rack rod 24 to slide along the connecting sheet 26 through the slide rod 23, the first rack rod 24 is meshed with the first gear 29 and drives the outermost rollers 7 to rotate through the belt 30, and the rollers 7 drive the clamped blades 02 to move towards the direction close to the cross rod 3 until the blades 02 are contacted with the cross rod 3 and then indicates that all the blades 02 move to the outermost designated position, so that the fact that each blade 02 is identical in the subsequent welding position can be ensured, and deviation can be avoided when the blades are manually placed.
The thickness of the blades 02 with different sizes is different, so that after the blades 02 are clamped by the roller 7, the roller 7 and the limiting piece 6 are positioned at different positions each time, the connecting piece 26 is always pulled by the ninth spring 28, but the elasticity of the second spring 8 is larger than that of the ninth spring 28, and at the moment, when the roller 7 and the limiting piece 6 move, the ninth spring 28 can also stretch and retract to different degrees, so that the belt 30 can always be driven by the roller 7, and further, the first gear 29 can always be meshed with the first rack bar 24, so that the blades 02 with different thicknesses can be conveyed.
The distance between the blade 02 and the cross bar 3 is different when the blade 02 is placed, and the expansion and contraction of the eighth spring 27 and the elastic expansion and contraction rod 22 can be automatically adapted when the roller 7 can convey the blade 02 to the limit position and cannot continue conveying.
When the cover piece 03 is placed above the blade 02 after the placement of the blade 02 is completed, then the elastic telescopic rod 22 can push the rod upright rod 21 to move when the U-shaped plate 17 is in contact with the sliding rod 23, so that the cover piece 03 is limited, the cover piece 03 can be quickly positioned, and the blade 02 with the inclination at the top and the blade 02 without the inclination can be quickly positioned.
As a further scheme of the invention, the positioning rod 10 is slidably connected with a second rack rod 31, the second rack rod 31 is fixedly connected with the cross rod 3, the second rack rod 31 is meshed with a second gear 32, the second gear 32 is rotatably connected with the positioning rod 10, the support rod 2 is fixedly connected with a third rack rod 33, and the third rack rod 33 can be meshed with the second gear 32.
In the above scheme, when the blade positioning device works, because the sizes of the bottom plates 01 of different impellers are different, the moving distance of the positioning rod 10 along the supporting rod 2 is different, and the height of the blades 02 of the larger bottom plate 01 is higher, so that when the positioning rod 10 moves, the second gear 32 can jack the cross rod 3 to different heights through the third rack rod 33 and the second rack rod 31, further, the working requirements on the blades 02 with different heights are met, and the side walls of the cross rod 3 are limited by the L-shaped rod 12 when the cross rod 3 is lifted, so that the pushing by the L-shaped rod 12 is not influenced.
As a further scheme of the invention, a plurality of balls 34 are connected to the rotating rod at the top end of the base 1.
As a further aspect of the present invention, the belt 30 is a toothed belt, and rubber layers are glued on the outer parts of the roller 7 and the adjusting wheel 14.
In operation, the friction force can be reduced when the bottom plate 01 is pushed by the positioning rod 10 through the balls 34, and the friction force between the bottom plate 01 and the roller 7 can be increased through the toothed belt 30.
As a further scheme of the present invention, inclined surfaces are formed on two side walls of the notch 35.
The notch 35 with the inclined surface is convenient for the stop lever 15 to enter and exit when the scheme works.
Working principle: firstly, a bottom plate 01 of an impeller to be welded is placed on a base 1, the bottom plate 01 is positioned among a plurality of positioning rods 10, the bottom plate 01 can be limited through the positioning rods 10, then blades 02 are respectively placed between two clamping rods 4 of each supporting group, a certain distance is reserved between the two clamping rods 4, so that the blades 02 can be directly placed between the clamping rods 4, and a driving group is started after all the blades 02 are placed.
When the driving group works, the two driving rods 9 are pushed to slide along the positioning rods 10 and stretch the third springs 11, the two driving rods 9 can drive the stop rods 15 and the L-shaped rods 12 to move together when sliding, and because the adjusting wheels 14 are positioned on the inner sides of the rollers 7, namely, the distance between the adjusting wheels 14 and the blades 02 is smaller than that of the rollers 7, when the L-shaped rods 12 push the clamping rods 4 to slide along the transverse rods 3, the adjusting wheels 14 are positioned in front of the rollers 7, and because the blades 02 are positioned between the two clamping rods 4, the blades 02 are inclined, the blades 02 are contacted with the bottoms of the blades 02 when the adjusting wheels 14 move, and the blades 02 with inclined bottoms can be pushed from the bottoms when the blades 02 are contacted with the blades 02, so that the top and the bottom of the blades 02 can approach to the middle, and the top and the bottom of the blades 02 can tend to be in a vertical state.
When the driving rod 9 slides along the positioning rod 10, the end of the stop lever 15 moves against the side wall of the positioning rod 10, the adjusting wheel 14 continuously pushes the blade 02, so that the bottom of the blade 02 can slide along the base 1 and then tends to be vertical, the protruding position of the side wall of the stop lever 15 is used for blocking the L-shaped rod 12, so that the L-shaped rod 12 can slide along the driving rod 9, the fifth spring 16 is always in a compressed state in the process of moving the driving rod 9, so that the adjusting wheel 14 can gradually push the blade 02 in the vertical state in the process, when the stop lever 15 reaches the position of the notch 35 after a certain distance, the stop lever 15 enters the notch 35 under the elastic action of the fifth spring 16, at the moment, the stop lever 15 releases the blocking of the L-shaped rod 12, the adjustment wheel 14 also pushes the blade 02 to a position which is approximately vertical (perhaps with a small amount of inclination or is already in a vertical state), then the adjustment wheel 14 continues to push the blade 02, and the blade 02 is of a certain thickness, after the stop lever 15 enters the notch 35, the blade 02 is already in a vertical state or is about to be in a vertical state, if in a vertical state, the two adjustment wheels 14 are blocked by the blade 02 during relative movement and cannot continue to move, so that the L-shaped rod 12 slides along the driving rod 9 and compresses the fourth spring 13 when blocked, at the moment, the compression of the fourth spring 13 can limit the positions of the two sides of the blade 02 by the adjustment wheel 14 and the L-shaped rod 12, so that the blade 02 cannot tilt again, if in a vertical state, during the continued movement of the driving rod 9 and the L-shaped rod 12, the blade 02 is pushed further in the vertical direction by the elasticity of the fourth spring 13.
Then the driving rod 9 continues to move, at this moment, the rollers 7 on the two clamping rods 4 are contacted with the blades 02, after the rollers are contacted with the blades 02, the limiting pieces 6 move along the clamping rods 4 and compress the second springs 8, so that the rollers 7 can clamp the blades 02 from two sides, and after the driving group drives the driving rod 9 to move to the limiting position, the fixing work of the blades 02 can be completed.
In this way, after the placement of the film 01 is completed, the blade 02 is placed in the clamping bar 4, and then the driving group brings the two driving bars 9 close to each other, in this process, the adjusting wheel 14 pushes the position of the blade 02 on the inclined side from the bottom, in the moving process of the driving bars 9, the blade 02 is gradually pushed to the vertical state, and this pushing process is a hard pushing process, and after the stop lever 15 moves into the notch 35, the adjusting wheel 14 can be supported by the fourth spring 13 to buffer the blade 02, so that the blade 02 is continuously adjusted until the blade 02 is in the vertical state.
Can carry out thorough clamp fixing to blade 02 after clamping lever 4 removes extreme position through gyro wheel 7, locating part 6 and second spring 8 to prevent that blade 02 from removing, and then make blade 02 can be in vertically in the position of fixed putting, do not need the manual work to repeatedly carry out work such as adjustment alignment of position.
After the blade 02 is placed, a worker can weld the part or the whole of the blade 02 by laser welding or manually, and the cover piece 03 is directly placed on the blade 02 after the blade 02 is welded, and the top end of the blade 02 is inclined, so that the inner wall of the cover piece 03 is inclined, and the cover piece and the blade 02 can be directly aligned when being attached to each other.
As shown in fig. 1 and 2, the blade 02 is clamped by the plurality of rollers 7, both the blade 02 with the outer end portion inclined and the blade 02 with the outer end portion vertical and the inner end portion inclined can be clamped well, the outer wall of the regulating wheel 14 is in contact with the blade 02 after the roller 7 clamps the blade 02, and the regulating wheel 14 is positioned under the roller 7, so that the regulating wheel 14 is positioned under the roller 7 after the roller 7 clamps the blade 02, and the regulating wheel 14 is distributed according to the position state of the roller 7 clamping the blade 02 when the blade 02 which is inclined is clamped.
When the driving assembly stops working after the welding is finished, the clamping rod 4 and the driving rod 9 can be reset through the first spring 5 and the third spring 11, the side wall of the notch 35 is provided with an inclined surface, and the stop rod 15 can be moved out of the notch 35 when the driving rod 9 is reset.
Claims (8)
1. The utility model provides a concentrated sulfuric acid energy-saving pump impeller welding set under liquid, includes base (1), its characterized in that: a plurality of support rods (2) are fixedly connected to the base (1), and each support rod (2) is provided with a support group;
the support group comprises a cross rod (3), the cross rod (3) is arranged above the support rod (2), and the cross rod (3) is connected with two clamping rods (4) in a sliding manner; the two clamping rods (4) are fixedly connected with first springs (5) for resetting the clamping rods, and the two clamping rods (4) are slidably connected with a plurality of limiting pieces (6); a plurality of limiting pieces (6) are fixedly connected with second springs (8) for resetting the limiting pieces, each limiting piece (6) is rotatably connected with a roller (7), driving rods (9) are arranged below the two clamping rods (4), and the two driving rods (9) are connected with a positioning rod (10) in a sliding manner; the two driving rods (9) are fixedly connected with a third spring (11) for resetting the driving rods, and the two driving rods (9) are slidably connected with two L-shaped rods (12); the four L-shaped rods (12) are fixedly connected with fourth springs (13) for resetting the L-shaped rods, the L-shaped rods (12) can push the clamping rods (4) to move, the four L-shaped rods (12) are rotationally connected with adjusting wheels (14), the adjusting wheels (14) are positioned on the inner sides of the rollers (7), notch (35) are formed in the positioning rods (10), and the two L-shaped rods (12) are slidably connected with stop rods (15); the two stop rods (15) are fixedly connected with a fifth spring (16) for resetting the stop rods;
one side of the positioning rod (10) is provided with a driving group which is used for driving the two driving rods (9) to approach each other.
2. The concentrated sulfuric acid submerged energy efficient pump impeller welding apparatus of claim 1, wherein: the driving group comprises a U-shaped plate (17), the U-shaped plate (17) is in sliding connection with the supporting rods (2), two supporting rods (18) are rotatably connected to the U-shaped plate (17), and the other ends of the two supporting rods (18) are respectively in rotational connection with the two driving rods (9);
the driving group also comprises a linear conveying group, and the linear conveying group is used for enabling the U-shaped plate (17) to slide along the supporting rod (2).
3. The concentrated sulfuric acid submerged energy-saving pump impeller welding device of claim 2, wherein: the linear conveying group comprises an air cylinder (19), a sixth spring (20) is fixedly connected between the air cylinder (19) and the U-shaped plate (17), and the positioning rod (10) is slidably connected with the inner wall of the supporting rod (2).
4. The concentrated sulfuric acid submerged energy-saving pump impeller welding device of claim 2, wherein: the transverse rod (3) is connected with a vertical rod (21) in a sliding manner, the vertical rod (21) is rotationally connected with two elastic telescopic rods (22), the other ends of the two elastic telescopic rods (22) are rotationally connected with sliding rods (23), and the two sliding rods (23) are respectively connected with a first rack rod (24) in a sliding manner; the two sliding rods (23) are fixedly connected with seventh springs (25) for resetting the sliding rods, the two first rack rods (24) are slidably connected with connecting pieces (26), eighth springs (27) are fixedly connected between the first rack rods (24) and the connecting pieces (26), and the two connecting pieces (26) are slidably connected with the two clamping rods (4) respectively; the two connecting pieces (26) are fixedly connected with ninth springs (28) for resetting the connecting pieces, the two connecting pieces (26) are rotatably connected with first gears (29), and belts (30) are in transmission connection between the two first gears (29) and adjacent rollers (7).
5. The concentrated sulfuric acid submerged energy efficient pump impeller welding apparatus of claim 1, wherein: the positioning rod (10) is slidably connected with a second rack rod (31), the second rack rod (31) is fixedly connected with the cross rod (3), the second rack rod (31) is meshed with a second gear (32), the second gear (32) is rotatably connected with the positioning rod (10), a third rack rod (33) is fixedly connected to the support rod (2), and the third rack rod (33) can be meshed with the second gear (32).
6. The concentrated sulfuric acid submerged energy efficient pump impeller welding apparatus of claim 1, wherein: the rotating rod at the top end of the base (1) is connected with a plurality of balls (34).
7. The concentrated sulfuric acid submerged energy efficient pump impeller welding apparatus of claim 4, wherein: the belt (30) is a toothed belt, and rubber layers are glued outside the idler wheel (7) and the adjusting wheel (14).
8. The concentrated sulfuric acid submerged energy efficient pump impeller welding apparatus of claim 1, wherein: inclined surfaces are formed on two side walls of the notch (35).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118305524A (en) * | 2024-06-07 | 2024-07-09 | 青州源博华机械有限公司 | Negative pressure type fan impeller welding device |
| CN120619694A (en) * | 2025-08-12 | 2025-09-12 | 徐州欧润泵业有限公司 | Water pump impeller welding set |
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| CN120619694A (en) * | 2025-08-12 | 2025-09-12 | 徐州欧润泵业有限公司 | Water pump impeller welding set |
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Application publication date: 20231110 Contract record no.: X2026980001729 Denomination of invention: A welding device for a high-efficiency pump impeller in concentrated sulfuric acid Granted publication date: 20231222 License type: Common License Record date: 20260121 |