CN113399918A - High-precision welding tool device for high-end axial flow fan impeller - Google Patents
High-precision welding tool device for high-end axial flow fan impeller Download PDFInfo
- Publication number
- CN113399918A CN113399918A CN202110857376.4A CN202110857376A CN113399918A CN 113399918 A CN113399918 A CN 113399918A CN 202110857376 A CN202110857376 A CN 202110857376A CN 113399918 A CN113399918 A CN 113399918A
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- China
- Prior art keywords
- fan impeller
- blade
- axial flow
- flow fan
- fixed
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Classifications
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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
- B23K37/0443—Jigs
-
- 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
- B23K37/0461—Welding tables
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of fan impeller tooling equipment, in particular to a tooling device for high-precision welding of a high-end axial flow fan impeller, which comprises a base, wherein a support and a supporting table are respectively fixed at two ends of the base; the universal fixing seat is provided with an equant mechanism for equally dividing the wheel hub into equal corners, and the equant mechanism is detachably and fixedly connected with the wheel hub; a special blade die matched with the blade is arranged on the sliding rail, a quick clamping assembly is arranged on the special blade die, and the blade is fixed on the special blade die through the quick clamping assembly; the special blade mould pushes the blades to be buckled at the equal dividing positions of the hub and is connected with the hub in a welding mode. This kind of a high accuracy welded tool equipment for high-end axial fan impeller improves the standardized operation of welding, improves a welding precision, satisfies design operation requirement, reduces intensity of labour, improves work efficiency.
Description
Technical Field
The invention relates to the field of fan impeller tooling equipment, in particular to a tooling device for high-precision welding of a high-end axial flow fan impeller.
Background
The impeller of the axial flow fan comprises a hub part and a plurality of blade parts, and aiming at the welding composition processing of the impeller, as shown in figure 1, the hub is mainly installed in a corresponding equi-index disc, then an inclination angle taking center line corresponding to the model is selected as a reference for welding operation, and when each blade is welded by spot welding, a chassis needs to be dragged by a hand, an inclination angle mold is arranged for carrying out second blade spot welding and the like.
The welding processing method for the impeller is analyzed as follows:
1. because the axial flow fan uses a special tool in the welding process, the proper special tool is required to be selected according to blades of different types each time, and a great deal of working time of an operator is wasted in the process of transferring and debugging the tool in each use;
2. in the spot welding process, the uniformity of the overall dimension of the blade is difficult to ensure under the condition that an operator lacks a reference datum point due to the manufacturing errors of the blade and the impeller, so that the impeller is unbalanced and the service performance is influenced;
3. the workpiece needs to be welded at a frequently changed angle, the angle of an operator is frequently changed mainly due to the limitation of a platform and the unicity of a blade mould in the welding process, the labor intensity is indirectly increased, and the work concentration degree is reduced.
In view of this, we propose a tooling device for high-precision welding of high-end axial flow fan impellers.
Disclosure of Invention
The invention aims to provide a tool device for high-precision welding of a high-end axial flow fan impeller, which aims to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: a tool device for high-precision welding of a high-end axial flow fan impeller comprises a base, wherein a support and a supporting table are respectively fixed at two ends of the base, a fixing plate is fixed on the supporting table, a universal fixing seat is detachably and fixedly connected onto the fixing plate, and the universal fixing seat is integrally and fixedly connected with a sliding rail;
the universal fixing seat is provided with an equant mechanism for equally dividing the wheel hub into equal angles, and the equant mechanism is detachably and fixedly connected with the wheel hub;
a special blade die matched with the blade is arranged on the sliding rail, a quick clamping assembly is arranged on the special blade die, and the blade is fixed on the special blade die through the quick clamping assembly;
the special blade mould pushes the blades to be buckled at the equal dividing positions of the hub and is connected with the hub in a welding mode.
Preferably, the halving mechanism comprises a rotating shaft, the lower end of the rotating shaft is rotatably connected to the fixing plate through a bearing and a stop nut fixed shaft, and the rotating shaft penetrates through a through hole formed in the universal fixing seat and is vertically and upwards arranged.
Preferably, the rotating shaft is coaxially and fixedly connected with an eight-equal-part ratchet wheel and a six-equal-part ratchet wheel, the universal fixing seat is provided with a pin hole, a pin shaft is inserted in the pin hole, the upper end of the pin shaft is fixedly provided with a pawl, the pawl can be respectively in abutting-buckling contact with the eight-equal-part ratchet wheel and the six-equal-part ratchet wheel, and the pawl is connected with the upper surface of the universal fixing seat through a spring.
Preferably, the pin shaft can be fixed in the pin hole to rotate and can also move up and down in the pin hole.
Preferably, the rotating shaft is coaxially and fixedly connected with a bearing platform, and a positioning pin is fixed on the side wall of the upper end of the rotating shaft.
Preferably, the halving mechanism further comprises a shaft sleeve, one end of the shaft sleeve is coaxially and fixedly connected with the annular plate, and the annular plate is provided with a through hole.
Preferably, the shaft sleeve can be inserted and sleeved on the rotating shaft, and the annular plate penetrates through the through hole through a bolt to be coaxially and fixedly connected with the hub.
Preferably, the inner wall of the shaft sleeve is provided with a positioning groove matched with the positioning pin, the trend of the positioning groove is parallel to the axis of the shaft sleeve, and the positioning pin can slide in the positioning groove.
Preferably, sliding connection has the slide on the slide rail, the detachable fixed connection of blade special mould passes through the bolt is on the slide.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the universal fixed seat is used as a main body of the tool, then the special die for the blades is designed according to different inclination angles for each blade, and the number of the blades is controlled by equally dividing the ratchet wheel disk, so that uncertain factors of the impeller in the whole welding process, such as the problems of nonstandard blade welding, deflection of blade welding and high operation labor intensity, can be effectively controlled, the design requirement of products is ensured, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a prior art impeller tack weld;
FIG. 2 is a schematic view of the assembly structure of the present invention;
FIG. 3 is a schematic view of a tooling state final assembly structure of the present invention.
In the figure: 1. a base; 2. a support; 3. a support table; 4. a fixing plate; 5. a slide rail; 6. a universal fixed seat; 7. a slide base; 8. a blade dedicated mold; 9. a quick clamping assembly; 10. a rotating shaft; 11. positioning pins; 12. a spring; 13. a pawl; 14. dividing the ratchet wheel into eight equal parts; 15. six equal parts of ratchet wheel; 16. a support platform; 17. a pin shaft; 18. a through hole; 19. a shaft sleeve; 20. positioning a groove; 21. and (4) a ring plate.
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 obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 2 and fig. 3, the present invention provides a technical solution: a tooling device for high-precision welding of a high-end axial flow fan impeller comprises a base 1, wherein a support 2 and a support table 3 are respectively fixed at two ends of the base 1, a fixing plate 4 is fixed on the support table 3, a universal fixing seat 6 is detachably and fixedly connected on the fixing plate 4, and the universal fixing seat 6 and a slide rail 5 are integrally and fixedly connected;
the universal fixing seat 6 is provided with an equant mechanism for equally dividing the wheel hub into equal angles, and the equant mechanism is detachably and fixedly connected with the wheel hub;
a special blade mold 8 matched with the blade is arranged on the sliding rail 5, a quick clamping assembly 9 is arranged on the special blade mold 8, and the blade is fixed on the special blade mold 8 through the quick clamping assembly 9;
the blade special die 8 pushes the blades to be buckled at the equal dividing positions of the hub and is connected with the hub in a welding mode.
In this embodiment, the halving mechanism comprises a rotating shaft 10, the lower end of the rotating shaft 10 is rotatably connected to the fixing plate 4 through a bearing and a retaining nut fixed shaft, and the rotating shaft 10 passes through a through hole provided on the universal fixing seat 6, and is vertically and upwardly arranged, a bearing platform 16 is coaxially and fixedly connected on the rotating shaft 10, a positioning pin 11 is fixed on the side wall of the upper end of the rotating shaft 10, an eighth equant ratchet 14 and a sixth equant ratchet 15 are coaxially and fixedly connected on the rotating shaft 10, a pin hole is arranged on the universal fixed seat 6, a pin shaft 17 is inserted in the pin hole, a pawl 13 is fixed at the upper end of the pin shaft 17, and the pawl 13 can be respectively contacted with an eight-equal-part ratchet wheel 14 and a six-equal-part ratchet wheel 15 in a buckling manner, the pawl 13 is connected with the upper surface of the universal fixed seat 6 through a spring 12, and the pin shaft 17 can rotate in the pin hole in a fixed axis manner and can also move up and down in the pin hole.
In this embodiment, halving mechanism still includes axle sleeve 19, the coaxial fixed connection crown plate 21 of one end of axle sleeve 19, and seted up through-hole 18 on the crown plate 21, axle sleeve 19 can insert the cover on pivot 10, and crown plate 21 passes through-hole 18 and wheel hub fixed connection through the bolt, set up the constant head tank 20 with locating pin 11 looks adaptation on the inner wall of axle sleeve 19, and the trend of constant head tank 20 and the mutual parallel arrangement of axis of axle sleeve 19, locating pin 11 can slide in constant head tank 20.
In this embodiment, sliding connection has slide 7 on slide rail 5, blade special mould 8 passes through the detachable fixed connection of bolt on slide 7, and convenient and fast is to the change of different blade special mould 8.
The use method and the advantages of the invention are as follows: when the high-precision welding tool device for the high-end axial flow fan impeller is used, the working process is as follows:
as shown in fig. 1 and fig. 2, firstly, a shaft sleeve 19 and a hub to be welded are coaxially arranged, a bolt penetrates through a through hole 18 to fixedly connect a ring plate 21 with the hub, then the shaft sleeve 19 is sleeved on a rotating shaft 10, and a positioning pin 11 corresponds to a positioning groove 20, so that the rotating shaft 10 can synchronously drive the hub to rotate, pawls 13 are in abutting contact with corresponding equal-number ratchets according to the number of blades, then the blades are placed on adaptive blade special dies 8, and the blades are fixed on the blade special dies 8 by using a quick clamping assembly 9, so as to ensure that the upward warping deformation of the blade tips is prevented during welding, the blade special dies 8 are special dies designed according to different inclination angles of each blade, when in use, only the blade special dies 8 for the corresponding blades are replaced on a sliding seat 7, and a fixing clamp main body of the hub belongs to a common piece, only the blade model belongs to the special mould, has like this that the change is fast, and the advantage of mould small in quantity, easy operation uses convenient efficient like this, low in labor strength to use the quick replacement type blade special mould 8 of independent design, help improving the welding standardized operation, improve a welding precision, satisfy design operation requirement.
After the blade is fixed, promote blade special mould 8 and make the blade support with the perisporium of wheel hub and detain, and weld fixture, after the welding is accomplished, make quick clamp assembly 9 loosen the blade, and promote blade special mould 8 and keep away from wheel hub, prepare to fix next blade, then rotate an equal contained angle with wheel hub, according to the above-mentioned step, analogize in proper order, thereby accomplish the welding equipment processing to the impeller, the welding processing work platform design to wheel hub and blade is swivel bearing and the cooperation of equal division ratchet, when executing a blade work piece transform position at every turn, only need rotatory ratchet dish once, it is swift to have the welding work piece to shift, low in labor strength's advantage.
Because the precision itself to the anchor clamps body of wheel hub is high, simple structure is practical, and after the blade laminating was pressed from both sides fast and is fastened coincide to blade special mould 8 above, the deviation of welding execution is little (blade camber, inclination, apex external diameter), and the product standardization level is high, and each item key index parameter of the impeller of the fan of constitution is stable (amount of wind, wind pressure, efficiency), and the product welding back deflection is few, satisfies customer operation requirement after the shaping.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a high accuracy welded tool equipment for high-end axial fan impeller, includes base (1), its characterized in that: a support (2) and a support table (3) are respectively fixed at two ends of the base (1), a fixed plate (4) is fixed on the support table (3), a universal fixing seat (6) is detachably and fixedly connected onto the fixed plate (4), and the universal fixing seat (6) is integrally and fixedly connected with a slide rail (5);
the universal fixing seat (6) is provided with an equant mechanism for equally dividing the rotating angle of the hub, and the equant mechanism is detachably and fixedly connected with the hub;
a special blade mold (8) matched with the blade is arranged on the sliding rail (5), a quick clamping assembly (9) is arranged on the special blade mold (8), and the blade is fixed on the special blade mold (8) through the quick clamping assembly (9);
the special blade mould (8) pushes the blades to be buckled at the equal dividing positions of the hub and is connected with the hub in a welding mode.
2. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 1, characterized in that: the halving mechanism comprises a rotating shaft (10), the lower end of the rotating shaft (10) is rotatably connected to the fixing plate (4) through a bearing and a stop nut fixed shaft, and the rotating shaft (10) penetrates through a through hole formed in the universal fixing seat (6) and is vertically arranged upwards.
3. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 2, characterized in that: the universal fixing seat is characterized in that an eighth-equal-division ratchet wheel (14) and a sixth-equal-division ratchet wheel (15) are coaxially and fixedly connected to the rotating shaft (10), a pin hole is formed in the universal fixing seat (6), a pin shaft (17) is inserted into the pin hole, a pawl (13) is fixed to the upper end of the pin shaft (17), the pawl (13) can be respectively in abutting-buckling contact with the eighth-equal-division ratchet wheel (14) and the sixth-equal-division ratchet wheel (15), and the pawl (13) is connected with the upper surface of the universal fixing seat (6) through a spring (12).
4. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 3, characterized in that: the pin shaft (17) can rotate in the pin hole in a fixed shaft mode and can also move up and down in the pin hole.
5. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 2, characterized in that: the rotating shaft (10) is coaxially and fixedly connected with a bearing platform (16), and a positioning pin (11) is fixed on the side wall of the upper end of the rotating shaft (10).
6. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 5, characterized in that: the halving mechanism further comprises a shaft sleeve (19), one end of the shaft sleeve (19) is coaxially and fixedly connected with a ring plate (21), and the ring plate (21) is provided with a through hole (18).
7. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 6, characterized in that: the shaft sleeve (19) can be inserted and sleeved on the rotating shaft (10), and the ring plate (21) penetrates through the through hole (18) through a bolt to be coaxially and fixedly connected with the hub.
8. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 7, characterized in that: the locating groove (20) matched with the locating pin (11) is formed in the inner wall of the shaft sleeve (19), the trend of the locating groove (20) is parallel to the axis of the shaft sleeve (19), and the locating pin (11) can slide in the locating groove (20).
9. The high-precision welding tool device for the high-end axial flow fan impeller according to claim 5, characterized in that: sliding connection has slide (7) on slide rail (5), blade special mould (8) are through the detachable fixed connection of bolt on slide (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857376.4A CN113399918A (en) | 2021-07-28 | 2021-07-28 | High-precision welding tool device for high-end axial flow fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857376.4A CN113399918A (en) | 2021-07-28 | 2021-07-28 | High-precision welding tool device for high-end axial flow fan impeller |
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| Publication Number | Publication Date |
|---|---|
| CN113399918A true CN113399918A (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110857376.4A Pending CN113399918A (en) | 2021-07-28 | 2021-07-28 | High-precision welding tool device for high-end axial flow fan impeller |
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| CN (1) | CN113399918A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346395A (en) * | 2022-03-21 | 2022-04-15 | 徐州耐克盾机械制造有限公司 | Part welding equipment for mining machinery |
| CN114952154A (en) * | 2022-05-13 | 2022-08-30 | 上海瑞晨环保科技股份有限公司 | Blade shaping mechanism for assembling fan impeller |
| CN114986054A (en) * | 2022-03-31 | 2022-09-02 | 安徽应流航源动力科技有限公司 | Deformation frock is prevented to quick-witted casket welding extension board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114986054A (en) * | 2022-03-31 | 2022-09-02 | 安徽应流航源动力科技有限公司 | Deformation frock is prevented to quick-witted casket welding extension board |
| CN114986054B (en) * | 2022-03-31 | 2023-08-11 | 安徽应流航源动力科技有限公司 | Deformation-preventing tool for welding support plate of casing |
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Application publication date: 20210917 |