CN217913628U - Welding device for impeller set of high-pressure centrifugal ventilator - Google Patents
Welding device for impeller set of high-pressure centrifugal ventilator Download PDFInfo
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- CN217913628U CN217913628U CN202221403450.1U CN202221403450U CN217913628U CN 217913628 U CN217913628 U CN 217913628U CN 202221403450 U CN202221403450 U CN 202221403450U CN 217913628 U CN217913628 U CN 217913628U
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Abstract
The utility model provides a high pressure centrifugal fan impeller assembly welding set, include: a work table; the lower rotary table is arranged on the workbench, and a first positioning connecting piece is arranged on the lower rotary table; the lower tool disc is arranged on the lower rotary disc through a first positioning connecting piece, and a workpiece mounting groove is formed in the lower tool disc; the upper rotary table is arranged above the lower rotary table through the pressing mechanism in a vertical lifting mode, the center of the upper rotary table is provided with a positioning insertion hole penetrating along the axial direction, and a second positioning connecting piece is arranged on the central axis of the positioning insertion hole. Compared with the prior art, the clamped impeller assembly is driven to rotate through the matching of the upper rotary table and the lower rotary table, so that the labor intensity can be reduced when workers weld, the welding point position is accurate and has no deviation, the welding quality of workpieces is improved, and the product quality is improved.
Description
Technical Field
The utility model relates to an impeller welding technical field, concretely relates to high pressure centrifugal fan impeller assembly welding set.
Background
The impeller of the fan is an important component of the fan and is generally formed by welding three components, namely a front disk, a blade and a rear disk. Welding of the blades is particularly important during the manufacturing process. Whether the angle and the position of the blade welding meet the requirements or not directly influences the performance of the fan. Because the fan models are numerous, the specifications of the impellers are relatively more, the blade forms are greatly changed, and the number of the blades of the impellers in different models is different.
The traditional high-pressure centrifugal fan impeller assembly welding process adopts a simple tool, the impeller front disc and the impeller rear disc assembly (formed by combining the impeller rear disc, the shaft disc and the blades) are compressed by manpower, gaps can exist between the impeller front disc and the blade ends during actual production matching, seamless detection is needed to be performed after compression, time and labor are wasted, and the performance and the product quality of a fan are easily influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure centrifugal fan impeller assembly welding set aims at solving the step of workman's welding fan impeller assembly loaded down with trivial details, and intensity of labour is big, the unable problem that obtains the guarantee of fan performance and product quality.
In order to achieve the above object, the utility model provides a high pressure centrifugal fan impeller assembly welding set, include: a work table; the lower rotary table is arranged on the workbench, and a first positioning connecting piece is arranged on the lower rotary table; the lower tooling plate is arranged on the lower turntable through the first positioning connecting piece, and a workpiece mounting groove is formed in the lower tooling plate; the upper rotating disc is arranged above the lower rotating disc in a vertically lifting manner through a pressing mechanism, a positioning insertion hole penetrating along the axial direction is formed in the center of the upper rotating disc, and a second positioning connecting piece is arranged on the central axis of the positioning insertion hole; the centers of the lower rotary table, the first positioning connecting piece, the lower tool disc, the upper rotary table and the second positioning connecting piece are all on the same axis.
Furthermore, the workbench is detachably arranged on the frame of the pressing mechanism, the lower rotary table is embedded on the workbench, the upper end face of the lower rotary table and the upper end face of the workbench are positioned on the same plane, and the first positioning connecting piece protrudes out of the upper end face of the lower rotary table.
Further, the lower carousel includes first carousel bearing and rotates the platform, be equipped with the recess on the workstation, first carousel bearing sets up in the recess, it is in to rotate the platform setting first carousel bearing's upper end, first location connecting piece sets up perpendicularly the center of rotating the platform.
Further, the first positioning connecting piece and the rotating table are of an integral structure.
Furthermore, the upper rotary plate comprises a mounting plate, a second rotary plate bearing and an upper pressure plate, the second rotary plate bearing is connected with the mounting plate in a cavity between the upper pressure plate, a shaft head connecting piece used for connecting the pressing mechanism is arranged at the upper end of the mounting plate, and the upper end of the second positioning connecting piece is connected with the lower end of the shaft head connecting piece and is positioned in the positioning jack.
Furthermore, the second positioning connecting piece is detachably connected with the shaft head connecting piece.
Furthermore, the handrail is arranged on the peripheral end face of the upper pressure plate in an encircling mode at intervals.
Furthermore, the bottom center of lower tool pan is equipped with the jack, lower tool pan pass through the jack with first positioning connecting piece can dismantle the connection.
The utility model provides a high pressure centrifugal fan impeller assembly welding set, compare in prior art, place the impeller front bezel in the work piece mounting groove of frock dish down, place impeller rear bezel subassembly on the impeller front bezel again, it compresses tightly impeller front bezel and impeller rear bezel subassembly to drive the carousel through hold-down mechanism, and let second positioning connection spare insert in the impeller rear bezel subassembly and let impeller front bezel and impeller rear bezel subassembly carry out concentric positioning, the cooperation through last carousel and lower carousel drives the impeller subassembly of pressing from both sides tightly and rotates, make and to reduce intensity of labour when the workman welds, the accurate unbiased of welding point position, be favorable to improving the welding quality of work piece, improve product quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a schematic view of the tooling of the present invention and the impeller assembly.
Description of the reference numerals
1-a pressing mechanism; 2-impeller front disk; 3-impeller rear disc assembly;
10-a workbench;
20-lower turntable; 21-a first slewing bearing; 22-a rotating table; 23-a first positioning connection;
30-lower tooling plate; 31-a workpiece mounting groove;
40-upper turntable; 41-mounting a disc; 411-spindle nose attachment; 42-a second slew bearing; 43-an upper platen; 431-armrest;
50-positioning insertion holes; 51-second positioning connection.
Detailed Description
The present invention will be described in detail with reference to the following specific examples.
In the present application, when directional terms are used, they are used for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the invention in any way.
In the present invention, unless otherwise expressly specified or limited, when terms such as "disposed on," "connected to," or "connected to" are present, these terms are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 3, the welding device for the impeller assembly of the high-pressure centrifugal ventilator comprises a workbench 10, a lower rotary disc 20, a lower tool disc 30 and an upper rotary disc 40.
The lower rotary table 20 is arranged on the workbench 10, the first positioning connector 23 is arranged on the lower rotary table 20, the lower tooling plate 30 is arranged on the lower rotary table 20 through the first positioning connector 23, and the workpiece mounting groove 31 is arranged on the lower tooling plate 30 and is used for placing the impeller front plate 2 and the impeller rear plate assembly 3 of the impeller assembly.
The upper rotary table 40 is vertically arranged above the lower rotary table 20 through the pressing mechanism 1 and used for being matched with the lower tooling plate 30 to press the impeller front disc 2 and the impeller rear disc assembly 3, the center of the upper rotary table 40 is provided with a positioning insertion hole 50 which penetrates through along the axial direction, and a second positioning connecting piece 51 is arranged on the central axis of the positioning insertion hole 50 and used for positioning the impeller front disc 2 and the impeller rear disc assembly 3 when the two assemblies are pressed.
Wherein, the first positioning connector 23 and the second positioning connector 51 are both cylinders.
The centers of the lower rotary table 20, the first positioning connector 23, the lower tooling table 30, the upper rotary table 40 and the second positioning connector 51 are all on the same axis, so that the concentricity of the impeller front disc 2 and the impeller rear disc assembly 3 during pressing is ensured, and the product quality after welding is ensured.
When the method is specifically implemented, the impeller front disc 2 is placed in the workpiece mounting groove 31 on the lower tool disc 30, the impeller rear disc assembly 3 is placed on the impeller front disc 2, the impeller front disc 2 and the impeller rear disc assembly 3 are positioned and compressed through the compressing mechanism 1, and then the positioned and compressed impeller front disc 2 and the impeller rear disc assembly 3 are welded while rotating through workers.
In this embodiment, the pressing mechanism 1 is a hydraulic press, the table 10 is detachably disposed on a frame of the pressing mechanism 1, the lower turntable 20 is embedded on the table 10, an upper end surface of the lower turntable 20 and an upper end surface of the table 10 are in the same plane, and the first positioning connecting piece 23 protrudes out of the upper end surface of the lower turntable 20.
The bottom center of lower frock dish 30 is equipped with the jack, and lower frock dish 30 passes through the jack and can dismantle with first location connecting piece 23 and be connected.
Through the structure, the lower turntable 20 and the lower tooling plate 30 with different specifications and sizes can be conveniently replaced and can be used as tooling structures with different models.
Specifically, the lower turntable 20 comprises a first turntable bearing 21 and a rotating table 22, a groove is formed in the workbench 10, the first turntable bearing 21 is arranged in the groove, the rotating table 22 is arranged at the upper end of the first turntable bearing 21, and a first positioning connecting piece 23 is vertically arranged at the center of the rotating table 22. Wherein, the first positioning connector 23 and the rotating table 22 are of an integral structure.
In this embodiment, the upper turntable 40 includes a mounting plate 41, a second turntable bearing 42 and an upper pressure plate 43, the second turntable bearing 42 is connected in a cavity between the mounting plate 41 and the upper pressure plate 43, and an inner ring and an outer ring of the second turntable bearing 42 are respectively fastened and connected with the mounting plate 41 and the upper pressure plate 43 through bolts, the upper end of the mounting plate 41 is provided with a spindle head connector 411 for connecting the pressing mechanism 1, and the upper end of a second positioning connector 51 is connected with the lower end of the spindle head connector 411 and is located in the positioning insertion hole 50. Wherein, the second positioning connector 51 is detachably connected with the spindle head connector 411.
Through the structure, the upper rotary table 40 with different specifications and sizes can be replaced to match the lower rotary table 20 and the lower tool table 30 with the same specifications and sizes for tooling.
In this embodiment, the handrails 431 are disposed around the outer peripheral end surface of the upper platen 43 at intervals so that the worker can easily rotate the impeller assembly being welded during operation.
The utility model provides a high pressure centrifugal fan impeller assembly welding set, compare in prior art, place impeller front bezel 2 in the work piece mounting groove 31 of tooling plate 30 down, place impeller rear bezel subassembly 3 on impeller front bezel 2 again, it compresses tightly impeller front bezel 2 and impeller rear bezel subassembly 3 to drive carousel 40 through hold-down mechanism 1, and let second positioning connection 51 insert in the impeller rear bezel subassembly 3 and let impeller front bezel 2 and impeller rear bezel subassembly 3 carry out concentric positioning, it rotates to drive the impeller subassembly that is pressed from both sides tightly through the cooperation of last carousel 40 with lower carousel 20, make can reduce intensity of labour when the workman welds, the accurate no deviation of welding position, be favorable to improving the welding quality of work piece, improve product quality.
The embodiments and features of the embodiments described above may be combined with each other without conflict.
It should be finally noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit the scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a high pressure centrifugal fan impeller assembly welding set which characterized in that includes:
a work table;
the lower rotating disc is arranged on the workbench, and a first positioning connecting piece is arranged on the lower rotating disc;
the lower tooling plate is arranged on the lower turntable through the first positioning connecting piece, and a workpiece mounting groove is formed in the lower tooling plate;
the upper rotating disc is arranged above the lower rotating disc in a vertically lifting manner through a pressing mechanism, a positioning insertion hole penetrating along the axial direction is formed in the center of the upper rotating disc, and a second positioning connecting piece is arranged on the central axis of the positioning insertion hole;
the centers of the lower rotary table, the first positioning connecting piece, the lower tool disc, the upper rotary table and the second positioning connecting piece are all on the same axis.
2. The welding device for the impeller assembly of the high-pressure centrifugal ventilator according to claim 1, wherein the worktable is detachably disposed on the frame of the pressing mechanism, the lower turntable is embedded in the worktable, an upper end surface of the lower turntable and an upper end surface of the worktable are in the same plane, and the first positioning connecting piece protrudes from the upper end surface of the lower turntable.
3. The welding device for the impeller assembly of the high-pressure centrifugal ventilator according to claim 2, wherein the lower rotary plate comprises a first rotary plate bearing and a rotary table, a groove is formed in the working table, the first rotary plate bearing is arranged in the groove, the rotary table is arranged at the upper end of the first rotary plate bearing, and the first positioning connecting piece is vertically arranged at the center of the rotary table.
4. The welding device for the impeller assembly of the high-pressure centrifugal ventilator according to claim 3, wherein the first positioning connecting piece and the rotating platform are of an integral structure.
5. The welding device for the impeller assembly of the high-pressure centrifugal ventilator according to claim 1, wherein the upper rotary table comprises a mounting plate, a second rotary table bearing and an upper pressure plate, the second rotary table bearing is connected in a cavity between the mounting plate and the upper pressure plate, a shaft head connecting piece for connecting the pressing mechanism is arranged at the upper end of the mounting plate, and the upper end of the second positioning connecting piece is connected with the lower end of the shaft head connecting piece and is located in the positioning jack.
6. The welding apparatus of claim 5, wherein the second locating connection is removably connected to the gudgeon connection.
7. The welding device for the impeller assembly of the high-pressure centrifugal fan according to claim 5, wherein handrails are arranged on the peripheral end face of the upper pressure plate at intervals in a surrounding mode.
8. The welding device for the impeller assembly of the high-pressure centrifugal ventilator according to claim 1, wherein a jack is formed in the center of the bottom of the lower tool disc, and the lower tool disc is detachably connected with the first positioning connecting piece through the jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221403450.1U CN217913628U (en) | 2022-06-07 | 2022-06-07 | Welding device for impeller set of high-pressure centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221403450.1U CN217913628U (en) | 2022-06-07 | 2022-06-07 | Welding device for impeller set of high-pressure centrifugal ventilator |
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| Publication Number | Publication Date |
|---|---|
| CN217913628U true CN217913628U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221403450.1U Active CN217913628U (en) | 2022-06-07 | 2022-06-07 | Welding device for impeller set of high-pressure centrifugal ventilator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532223A (en) * | 2024-01-09 | 2024-02-09 | 山东汇百川机械制造有限公司 | Centrifugal fan impeller welding set |
-
2022
- 2022-06-07 CN CN202221403450.1U patent/CN217913628U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532223A (en) * | 2024-01-09 | 2024-02-09 | 山东汇百川机械制造有限公司 | Centrifugal fan impeller welding set |
| CN117532223B (en) * | 2024-01-09 | 2024-05-03 | 山东汇百川机械制造有限公司 | Centrifugal fan impeller welding set |
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