CN213917054U - Three-dimensional flow impeller metal substrate additive manufacturing device - Google Patents
Three-dimensional flow impeller metal substrate additive manufacturing device Download PDFInfo
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- CN213917054U CN213917054U CN202022984617.5U CN202022984617U CN213917054U CN 213917054 U CN213917054 U CN 213917054U CN 202022984617 U CN202022984617 U CN 202022984617U CN 213917054 U CN213917054 U CN 213917054U
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Abstract
The utility model belongs to the technical field of impeller manufacturing, in particular to a three-dimensional flow impeller metal substrate additive manufacturing device, which comprises an impeller printing unit and a blade finish milling unit, wherein the impeller printing unit comprises a first clamp body, a substrate and a first fixing part, the substrate is disc-shaped, a positioning hole is arranged at the center of the substrate, and a first U-shaped notch is arranged at the circumferential edge of the substrate; a positioning bulge is arranged at the center of the first clamp body; the first clamp body is provided with a fixing groove, and the first U-shaped notch can be opposite to the fixing groove; the first fixing part is used for fixing the substrate and the first fixture body; the blade finish milling unit comprises a second clamp body, a pressing plate and a second fixing part, and a boss is arranged at the center of the second clamp body; the pressing plate is used for pressing the impeller from the upper side of the impeller, and the second fixing portion is used for fixing the pressing plate, the impeller and the second fixture body. The device can solve the problems that the manufacturing period of the impeller is prolonged and the cost is increased because the base plate needs to be cut off in subsequent processing.
Description
Technical Field
The utility model belongs to the technical field of the impeller is made, especially, relate to a three-dimensional flow impeller metal substrate vibration material disk manufacturing installation.
Background
The open type three-dimensional flow impeller is used as a core component of a compressor product and plays a vital role in the overall operation quality of a unit. The traditional impeller is manufactured by adopting five-axis integral processing of a forging stock, the manufacturing cost is high, and the period is long. In order to better solve the problems, the 3D printing of the three-dimensional blank of the impeller can be realized by adopting an additive manufacturing technology, so that the purposes of improving the material utilization rate (the material utilization rate is improved to about 50% from 15% of a forging stock), reducing the machining amount of the impeller, shortening the integral manufacturing period of the impeller and reducing the machining and cutter cost are achieved. The printing of the impeller needs substrate supporting, the substrate used in the 3D printing in the current stage is mostly a square plate, the substrate needs to be fixed on additive manufacturing equipment firstly in the printing process, and then the impeller wheel disc (the chassis formed by the maximum diameter of the impeller does not contain blades), the hub (the part for connecting the impeller wheel disc and the blades) and the blades are printed on the substrate. Since the base plate is not a component of the impeller, it is necessary to cut off the base plate in subsequent processing, which results in a long manufacturing cycle and an increase in cost of the impeller.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three-dimensional flow impeller metal substrate vibration material disk manufacturing installation to solve in follow-up processing and need amputate the base plate, lead to the problem that the manufacturing cycle of impeller becomes long, the cost increases.
In order to achieve the above purpose, the technical scheme of the utility model is that: a three-dimensional flow impeller metal substrate additive manufacturing device comprises an impeller printing unit and a blade finish milling unit, wherein the impeller printing unit comprises a first clamp body, a substrate and a first fixing part, the substrate is disc-shaped, a positioning hole is formed in the center of the substrate, and a plurality of first U-shaped notches for clamping are formed in the circumferential edge of the substrate; a positioning bulge is arranged at the center of the first clamp body and used for positioning a positioning hole at the center of the substrate; the height of the positioning bulge is smaller than the depth of the positioning hole; the first clamp body is provided with a fixing groove, and the first U-shaped notch can be opposite to the fixing groove; the first fixing part is used for fixing the substrate and the first fixture body; the shaft axis of the first fixture body is superposed with the rotation center of the additive manufacturing equipment; the blade finish milling unit comprises a second clamp body, a pressing plate and a second fixing part, the axis of the second clamp body is overlapped with the rotation center of the finish milling equipment, a boss is arranged at the center of the second clamp body, and the boss is used for positioning a center hole of an impeller printed by the impeller printing unit; the pressing plate is used for pressing the impeller from the upper side of the impeller, and the second fixing portion is used for fixing the pressing plate, the impeller and the second clamp body.
Further, the section of the fixing groove is inverted T-shaped, the first fixing part comprises a first nut, a first bolt and a second nut, and the first nut and the second nut can be matched with the first bolt respectively; the first nut is a T-shaped nut capable of being matched with the fixing groove, and the first bolt can penetrate through the first U-shaped notch.
Further, the second fixing part comprises a second bolt and a third nut matched with the second bolt, a through hole is formed in the pressing plate, a threaded hole is formed in the second clamp body, and the through hole, the threaded hole and a central hole of the impeller are opposite; and the second bolt can penetrate through the central holes of the pressure plate and the impeller and then is in threaded connection with the threaded hole.
Further, the first fixing portion further comprises a first gasket, and the first gasket is located between the substrate and the second nut.
Further, the second fixing portion further comprises a second gasket, and the second gasket is located between the pressing plate and the third nut.
Further, the cross section of the pressing plate is T-shaped, and the vertical part of the pressing plate can position the groove at the top of the impeller.
Furthermore, a plurality of second U-shaped notches are formed in the circumferential direction of the second clamp body.
The working principle of the technical scheme is as follows: when the fixture is used, the first fixture body is firstly fixed on a workbench of additive manufacturing equipment, and the shaft axis of the first fixture body is ensured to be coincident with the rotation center of the additive manufacturing equipment. Aligning the positioning protrusion with the positioning hole, mounting the substrate on the first fixture body, and rotating the substrate to align the first U-shaped notch on the substrate with the fixing groove on the first fixture body. And then screwing the first bolt on the first nut, installing the first nut in a fixing groove of the first clamp body, pushing the first bolt to the first U-shaped notch of the substrate, installing the first gasket and the second nut on the first bolt and screwing, and opening the material increase manufacturing equipment to print to form an impeller blank.
After printing, the second fixture body is fixed on a workbench of the finish milling equipment through the second U-shaped notch, and the shaft axis of the second fixture body is ensured to be coincident with the rotation center of the finish milling equipment. And then, taking the wheel disc end face and the inner hole of the impeller as positioning references, and installing the impeller blank on the second fixture body. And screwing a second bolt into a boss of the second clamp body, finally installing a pressing plate, a second gasket and a third nut, and screwing the third nut, so that the finish milling equipment can be opened, and the blade is processed.
The beneficial effects of this technical scheme lie in: the base plate is used for reducing the printing workload of the impeller, the base plate and the impeller wheel disc are combined into a whole, only the impeller hub and the blades need to be printed during printing, the impeller wheel disc is not printed, and therefore the printing time and the printing cost are shortened. And the workload of metal cutting is reduced, and because the base plate is a component of the impeller, the base plate is not required to be cut off in subsequent processing, so that the processing time and the cost are shortened. And the impeller printing unit and the blade finish milling unit are designed according to the specification range of the outer circle and the inner hole of the impeller, so that the impeller printing unit and the blade finish milling unit can adapt to the processing of most impellers, the number and the cost of tools are reduced, and the prenatal preparation efficiency is improved.
Drawings
Fig. 1 is a top view of a base plate in a three-dimensional flow impeller metal base plate additive manufacturing device according to the present invention;
fig. 2 is a front sectional view of an impeller printing unit in a three-dimensional flow impeller metal substrate additive manufacturing apparatus according to the present invention;
fig. 3 is a top view of an impeller printing unit in a three-dimensional flow impeller metal substrate additive manufacturing apparatus according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a cross-sectional view of the first clamp body of FIG. 2;
FIG. 7 is a top view of FIG. 6;
fig. 8 is a front sectional view of a blade finish-milling unit in a three-dimensional flow impeller metal substrate additive manufacturing apparatus according to the present invention;
FIG. 9 is a cross-sectional view of the second clamp body of FIG. 8;
fig. 10 is a top view of fig. 9.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the fixture comprises a base plate 1, a positioning hole 2, a first U-shaped notch 3, a first fixture body 4, an impeller blank 5, a first nut 6, a first bolt 7, a second nut 8, a fixing groove 9, a positioning protrusion 10, a second fixture body 11, a pressing plate 12, a second bolt 13, a third nut 14, a threaded hole 15, a boss 16 and a second U-shaped notch 17.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiments are substantially as shown in figures 1 to 10 of the accompanying drawings: a three-dimensional flow impeller metal substrate additive manufacturing device comprises an impeller printing unit and a blade finish milling unit, wherein the impeller printing unit comprises a first clamp body 4, a substrate 1 and a first fixing part as shown in figures 2 and 3, the substrate 1 is disc-shaped as shown in figure 1, a positioning hole 2 is formed in the center of the substrate 1, and a plurality of first U-shaped notches for clamping are formed in the circumferential edge of the substrate 1; as shown in fig. 4 and 6, a positioning protrusion 10 is disposed at the center of the first clamp body 4, and the positioning protrusion 10 is used for positioning the positioning hole 2 at the center of the substrate 1; the height of the positioning bulge 10 is less than the depth of the positioning hole 2; as shown in fig. 5, the first fixture body 4 is provided with a fixing groove 9, the cross section of the fixing groove 9 is an inverted T shape, and the first U-shaped notch can be opposite to the fixing groove 9; the first fixing portion is used for fixing the substrate 1 and the first clamp body 4; the axis line of the first fixture body 4 coincides with the center of rotation of the additive manufacturing apparatus. As shown in fig. 8, the blade finish milling unit includes a second clamp body 11, a pressing plate 12 and a second fixing portion, an axial line of the second clamp body 11 coincides with a rotation center of the finish milling device, as shown in fig. 9, a boss 16 is provided at a center of the second clamp body 11, and the boss 16 is used for positioning a center hole of an impeller printed by the impeller printing unit; the pressing plate 12 is used for pressing the impeller from above the impeller, and the second fixing portion is used for fixing the pressing plate 12, the impeller and the second clamp body 11.
As shown in fig. 2, the first fixing portion includes a first nut 6, a first bolt 7, a second nut 8, and a first washer, and the first nut 6 and the second nut 8 are respectively mateable with the first bolt 7; the first nut 6 is a T-shaped nut which can be matched with the fixing groove 9, and the first bolt 7 can penetrate through the first U-shaped notch. The first washer is located between the base plate 1 and the second nut 8.
As shown in fig. 8, the second fixing portion includes a second gasket, a second bolt 13 and a third nut 14 engaged with the second bolt 13, a through hole is provided on the pressure plate 12, as shown in fig. 9, a threaded hole 15 is provided on the second fixture body 11, and the through hole, the threaded hole 15 and the central hole of the impeller are opposite; the second bolt 13 can pass through the central holes of the pressure plate 12 and the impeller and then is in threaded connection with the threaded hole 15. A second washer is located between the pressure plate 12 and the third nut 14. The cross-section of the pressure plate 12 is T-shaped, and the vertical part of the pressure plate 12 can position the top groove of the impeller. The second fixture body 11 is circumferentially provided with a plurality of second U-shaped notches 17.
The specific implementation process is as follows:
when the fixture is used, the first fixture body 4 is firstly fixed on a workbench of additive manufacturing equipment, and the shaft axis of the first fixture body 4 is ensured to be coincident with the rotation center of the additive manufacturing equipment. The positioning protrusion 10 is aligned with the positioning hole 2, the substrate 1 is mounted on the first fixture body 4, and the substrate 1 is rotated to align the first U-shaped notch 3 on the substrate 1 with the fixing groove 9 on the first fixture body 4. And then screwing a first bolt 7 on the first nut 6, installing the first nut 6 in a fixing groove 9 of the first fixture body 4, pushing the first bolt 7 to the first U-shaped notch 3 of the substrate 1, installing a first gasket and a second nut 8 on the first bolt 7, screwing, and opening the additive manufacturing equipment for printing to form an impeller blank 5.
After printing, the second fixture body 11 is fixed on a workbench of the finish milling equipment through the second U-shaped notch 17, and the shaft axis of the second fixture body 11 is ensured to coincide with the rotation center of the finish milling equipment. Then, the impeller blank 5 is mounted on the second fixture body 11 by taking the wheel disc end face and the inner hole of the impeller as positioning references. And screwing a second bolt 13 into a boss 16 of the second fixture body 11, finally installing a pressing plate 12, a second gasket and a third nut 14, and screwing the third nut 14, so that the finish milling equipment can be opened to process the blade.
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.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides a three dimensional flow impeller metal substrate vibration material disk manufacturing installation which characterized in that: the blade wheel fine milling device comprises an impeller wheel printing unit and a blade fine milling unit, wherein the impeller wheel printing unit comprises a first clamp body, a base plate and a first fixing part, the base plate is disc-shaped, a positioning hole is formed in the center of the base plate, and a plurality of first U-shaped notches for clamping are formed in the circumferential edge of the base plate; a positioning bulge is arranged at the center of the first clamp body and used for positioning a positioning hole at the center of the substrate; the height of the positioning bulge is smaller than the depth of the positioning hole; the first clamp body is provided with a fixing groove, and the first U-shaped notch can be opposite to the fixing groove; the first fixing part is used for fixing the substrate and the first fixture body; the shaft axis of the first fixture body is superposed with the rotation center of the additive manufacturing equipment; the blade finish milling unit comprises a second clamp body, a pressing plate and a second fixing part, the axis of the second clamp body is overlapped with the rotation center of the finish milling equipment, a boss is arranged at the center of the second clamp body, and the boss is used for positioning a center hole of an impeller printed by the impeller printing unit; the pressing plate is used for pressing the impeller from the upper side of the impeller, and the second fixing portion is used for fixing the pressing plate, the impeller and the second clamp body.
2. The additive manufacturing device for the metal substrate of the three-dimensional flow impeller according to claim 1, wherein: the section of the fixing groove is inverted T-shaped, the first fixing part comprises a first nut, a first bolt and a second nut, and the first nut and the second nut can be matched with the first bolt respectively; the first nut is a T-shaped nut capable of being matched with the fixing groove, and the first bolt can penetrate through the first U-shaped notch.
3. The additive manufacturing device for the metal substrate of the three-dimensional flow impeller according to claim 1, wherein: the second fixing part comprises a second bolt and a third nut matched with the second bolt, a through hole is formed in the pressing plate, a threaded hole is formed in the second clamp body, and the through hole, the threaded hole and a central hole of the impeller are opposite; and the second bolt can penetrate through the central holes of the pressure plate and the impeller and then is in threaded connection with the threaded hole.
4. The additive manufacturing device for the metal substrate of the three-dimensional flow impeller as claimed in claim 2, wherein: the first fixing portion further comprises a first gasket, and the first gasket is located between the substrate and the second nut.
5. The additive manufacturing device for the metal substrate of the three-dimensional flow impeller according to claim 3, wherein: the second fixing part further comprises a second gasket, and the second gasket is located between the pressing plate and the third nut.
6. The additive manufacturing device for the metal substrate of the three-dimensional flow impeller according to claim 1, wherein: the cross section of the pressing plate is T-shaped, and the vertical part of the pressing plate can position the top groove of the impeller.
7. The additive manufacturing device for the metal substrate of the three-dimensional flow impeller according to claim 1, wherein: the second clamp body is circumferentially provided with a plurality of second U-shaped notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984617.5U CN213917054U (en) | 2020-12-14 | 2020-12-14 | Three-dimensional flow impeller metal substrate additive manufacturing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984617.5U CN213917054U (en) | 2020-12-14 | 2020-12-14 | Three-dimensional flow impeller metal substrate additive manufacturing device |
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| CN213917054U true CN213917054U (en) | 2021-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571076A (en) * | 2020-12-14 | 2021-03-30 | 重庆通用工业(集团)有限责任公司 | Three-dimensional flow impeller metal substrate additive manufacturing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571076A (en) * | 2020-12-14 | 2021-03-30 | 重庆通用工业(集团)有限责任公司 | Three-dimensional flow impeller metal substrate additive manufacturing device |
| CN112571076B (en) * | 2020-12-14 | 2024-06-07 | 重庆通用工业(集团)有限责任公司 | Ternary flow impeller metal substrate additive manufacturing device |
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