CN215847614U - Fluid polishing clamp for 3D printing impeller - Google Patents
Fluid polishing clamp for 3D printing impeller Download PDFInfo
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- CN215847614U CN215847614U CN202121827799.3U CN202121827799U CN215847614U CN 215847614 U CN215847614 U CN 215847614U CN 202121827799 U CN202121827799 U CN 202121827799U CN 215847614 U CN215847614 U CN 215847614U
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Abstract
The utility model discloses a fluid polishing clamp for a 3D printing impeller, which comprises a base: the grinding wheel device is characterized in that a positioning ring used for installing an impeller is arranged on the base, an outer ring is arranged on the outer side of the positioning ring on the base, a cover plate assembly is arranged on the outer side of the outer ring, a flow channel used for grinding material flowing is arranged between the cover plate assembly and the base, and the grinding wheel device further comprises a blocking cover assembly which is arranged at two end openings of the impeller. According to the utility model, the special fluid tool meeting the requirement of 3D printing impeller blade flow channel polishing design is matched with an equipment interface, abrasive can flow in a reciprocating manner under the pushing of an upper cylinder and a lower cylinder after being installed, and the abrasive can only come in and go out in a reciprocating manner along a designed route by combining a reasonable flow channel structure, so that the effect of high-efficiency fluid is achieved.
Description
Technical Field
The utility model relates to the technical field of polishing processing, in particular to a fluid polishing clamp for a 3D printing impeller.
Background
The extrusion grinding is to remove a small amount of metal materials, remove burrs at the intersection parts of the inner cavities of the parts and round the intersection parts, so that the purpose of fine processing is achieved, and the abrasive particle flow adding tool has accuracy, stability and flexibility. The method is widely applied to the automobile industry and various production and manufacturing industries, can obviously improve the roughness of the inner surface of the part, has higher efficiency, has poor compactness of appearance materials and strong granular sensation of the surface due to the high-temperature molding of the 3D printed powder, and has very high requirement on the roughness of the surface of the blade because the blade surface of the impeller is used for gas fluid. Fluid polishing is typically used to achieve increased roughness and surface quality of the blade surface, since mechanical stresses cause some distortion of the blade surface, which adds significant cost if the polishing is achieved by machining.
Chinese patent publication No.: CN212095913U discloses a clamp for polishing a narrow flow passage impeller, which comprises a lower pressure plate, two limiting rods welded on two sides of the top of the lower pressure plate, a limiting plate welded on the outer wall of the bottom of the limiting rod and an upper pressure plate connected on the outer wall of the limiting rod in a sliding way, the upper pressure plate is positioned above the limiting plate, the top of the lower pressure plate is provided with a flow guide hole, the inner wall of the flow guide hole is sleeved with a flow guide pipe, fastening rods with T-shaped structures are welded on the outer walls of the periphery of the lower pressing plate, clamping pieces are connected on the outer walls of the cross rods of the fastening rods in a sliding manner, and one end of the clamping piece is provided with a clamping groove, the outer walls of the periphery of the upper pressing plate are welded with fixing rods, and the clamping groove is matched with the fixing rods, the top of the lower pressing plate is provided with four flow guide plates of an L-shaped structure, the four flow guide plates comprise vertical plates and transverse plates hinged to the bottoms of the vertical plates, one ends of the transverse plates are hinged to the top of the lower pressing plate, and the tops of the vertical plates are hinged to the bottom of the upper pressing plate.
However, the abrasive flow design of the existing fluid polishing clamp is not reasonable enough, so that the abrasive has poor polishing effect on the impeller, and the efficient and high-quality polishing processing of the impeller cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fluid polishing clamp for a 3D printing impeller, which is used for constructing a reasonable flow channel structure by improving a mode of hermetically wrapping parts so as to efficiently polish and process the impeller.
In order to achieve the above purpose, the utility model provides the following technical scheme: a fluid polishing clamp for a 3D printing impeller comprises a base:
a positioning ring for mounting the impeller is arranged on the base;
an outer ring is arranged on the base and positioned on the outer side of the positioning ring, and a cover plate assembly is arranged on the outer side of the outer ring;
a flow channel for abrasive flowing is arranged between the cover plate assembly and the base;
still include the blanking cover subassembly, the blanking cover subassembly sets up the both ends opening at the impeller.
As a further description of the above technical solution:
and the base is provided with an abrasive material port communicated with the flow passage.
As a further description of the above technical solution:
the bottom of base is provided with the waist type groove of a plurality of annular distribution.
As a further description of the above technical solution:
a lower positioning hole is formed in the base, and an upper positioning hole is formed in the positioning ring;
the base is connected with the positioning ring through a bolt which penetrates through the lower positioning hole and extends into the upper positioning hole.
As a further description of the above technical solution:
the locating ring is of a revolving body structure, and the diameter of the upper end of the locating ring is larger than that of the lower end of the locating ring.
As a further description of the above technical solution:
the cover plate assembly comprises an upper cover, a pressing ring and a lower cover, wherein the upper cover is arranged on the impeller, and the pressing ring and the lower cover are connected through screws and arranged on the outer ring.
As a further description of the above technical solution:
the blanking cover assembly is composed of a lower blanking cover and an upper blanking cover, wherein the lower blanking cover is connected with the lower end face of the impeller through a screw, and the upper blanking cover is connected with the upper end face of the impeller through a screw.
As a further description of the above technical solution:
and a step shaft matched with the abrasive interface is arranged on the base.
In the technical scheme, the fluid polishing clamp for the 3D printing impeller provided by the utility model has the following beneficial effects:
this anchor clamps satisfy the special fluid frock of 3D printing impeller blade runner polishing design, match with the equipment interface, can realize abrasive material reciprocating flow under the promotion of upper and lower jar after the installation to combine reasonable runner structure, let the abrasive material can only reciprocate along the route of design and come in and go out, thereby reach high-efficient fluidic effect, its simple structure, the practicality is strong, the clamping simple operation can be used for the polishing of this kind of 3D printing's impeller in batches to use.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a fluid polishing clamp for a 3D printing impeller according to an embodiment of the present invention;
fig. 2 is a schematic top view of a base according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a retaining ring according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a cover plate assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a plugging cover assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a base; 11. a waist-shaped groove; 12. grinding a material port; 13. a lower positioning hole; 2. a positioning ring; 21. an upper positioning hole; 3. an outer ring; 4. a cover plate assembly; 41. a lower cover; 42. pressing a ring; 43. an upper cover; 5. a blanking cap assembly; 51. a lower plug cover; 52. an upper plug cover; 6. and a flow passage.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a fluid polishing jig for a 3D printing impeller includes a base 1:
a positioning ring 2 for installing an impeller is arranged on the base 1;
an outer ring 3 is arranged on the base 1 and positioned on the outer side of the positioning ring 2, and a split type cover plate component 4 is arranged on the outer side of the outer ring 3;
a flow passage 6 for abrasive flowing is arranged between the cover plate component 4 and the base 1;
the impeller also comprises a plugging cover component 5, wherein the plugging cover component 5 is arranged at two ends of the impeller and is provided with openings;
the base 1 is provided with an abrasive opening 12 communicated with the flow passage 6.
In the embodiment, the plugging cover component 5 is firstly respectively installed on the upper end face and the lower end face of an impeller part and is locked by a screw of M12X90, then the base 1 and the positioning ring 2 are fixed by a screw of 4-M6X15, the two parts are installed on a fluid polishing device together, the grinding material port 12 of the base 1 and the grinding material port of the device are installed in a matching way, after the base 1 is installed, a 3D printing impeller is installed on the positioning ring 2, the lower part of the split cover plate component 4 is locked by a screw of M6X20 and is installed on the impeller, the outer ring 3 is sleeved on the impeller and all the parts are installed, the bottom of the outer ring 3 is ensured to be sleeved on the positioning ring 2, then the upper part of the cover plate component 4 is sleeved on the outer ring 3 to cover the parts and all surfaces, the flow passage 6 for grinding material to flow in a hollow position can be pressed down on the cover plate component 4 by the upper hydraulic cylinder of the fluid device after the installation is described, parameters are set, fluid processing is possible after the abrasive is placed, the abrasive can go in and out in the flow channel 6 in a reciprocating mode, and fluid polishing treatment is carried out on the surface of the impeller.
As shown in FIG. 2, the bottom of the base 1 is provided with a plurality of annularly distributed waist-shaped grooves 11 for corresponding connection with a mounting mechanism of the abrasive device, the material of the base 1 is 45 steel, the required hardness is HRC35-40, and the base is blued.
As shown in fig. 2 and 3, a lower positioning hole 13 is formed in the base 1, an upper positioning hole 21 is formed in the positioning ring 2, the base 1 and the positioning ring 2 are connected through a bolt penetrating through the lower positioning hole 13 and extending into the upper positioning hole 21, the positioning ring 2 is made of nylon PA66, the nylon PA66 is used for preventing the surface of a part from being scratched due to displacement generated in a fluid process due to positioning contact with the part, the positioning ring 2 is of a rotary body structure, and the diameter of the upper end of the positioning ring is larger than that of the lower end of the positioning ring.
As shown in fig. 1, the outer ring 3 is used as the outermost wrapping fixture of the whole assembly, covers all internal parts, and ensures the accuracy between all positions, so as to construct the flow channel 6 to be designed, wherein the material is 45 steel, the structure is a ring, the hardness is HRC30-35, and bluing treatment is needed.
As shown in fig. 4, the cover plate assembly 4 is composed of an upper cover 43, a pressing ring 42 and a lower cover 41, wherein the upper cover 43 is installed on the impeller, the pressing ring 42 and the lower cover 41 are connected by screws and installed on the outer ring 3, the cover plate assembly 4 is a revolving body, which is a blocking accessory for constructing an abrasive particle fluid passage, and limits the movement direction of abrasive particles, the reciprocating polishing is performed according to the designed flow direction to achieve the effect, the material is nylon PA66, and soft material is required to be used for contacting with parts, so as to ensure that scratches generated to the parts are reduced in the fluid process, the upper cover 43 is installed on the impeller, and then the pressing ring 42 and the lower cover 41 are screwed on the outer ring 3, and the relatively closed flow channel 6 overall structure can be formed.
As shown in fig. 5, the plugging cover assembly 5 is composed of a lower plugging cover 51 and an upper plugging cover 52, wherein the lower plugging cover 51 is connected with the lower end surface of the impeller through a screw, the upper plugging cover 52 is connected with the upper end surface of the impeller through a screw, the plugging cover assembly 5 is a revolving body structure, since the middle of the 3D impeller is hollow, in order to ensure that the abrasive pressure can be continuously clamped inside the blade and the flow channel 6 in the fluid process, the middle position of the impeller part needs to be plugged by the lower plugging cover 51 and the upper plugging cover 52 to avoid pressure relief, and the material is nylon PA 66.
As shown in fig. 2, a step shaft adapted to the abrasive interface is disposed on the base 1, so as to ensure the stability of the connection between the base 1 and the abrasive interface and improve the smoothness of the flow of the abrasive.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (8)
1. The utility model provides a 3D prints fluid polishing anchor clamps for impeller, includes base (1), its characterized in that:
a positioning ring (2) for installing an impeller is arranged on the base (1);
an outer ring (3) is arranged on the base (1) and positioned on the outer side of the positioning ring (2), and a cover plate component (4) is arranged on the outer side of the outer ring (3);
a flow channel (6) for abrasive flowing is arranged between the cover plate component (4) and the base (1);
the impeller cover assembly is characterized by further comprising a cover blocking assembly (5), wherein the cover blocking assembly (5) is arranged at openings at two ends of the impeller.
2. The fluid polishing clamp for the 3D printing impeller according to claim 1, wherein: and a grinding material port (12) communicated with the flow channel (6) is arranged on the base (1).
3. The fluid polishing clamp for the 3D printing impeller according to claim 1, wherein: the bottom of the base (1) is provided with a plurality of annularly distributed waist-shaped grooves (11).
4. The fluid polishing clamp for the 3D printing impeller according to claim 1, wherein: a lower positioning hole (13) is formed in the base (1), and an upper positioning hole (21) is formed in the positioning ring (2);
the base (1) and the positioning ring (2) are connected through bolts which penetrate through the lower positioning holes (13) and extend into the upper positioning holes (21).
5. The fluid polishing clamp for the 3D printing impeller according to claim 1, wherein: the positioning ring (2) is of a revolving body structure, and the diameter of the upper end of the positioning ring is larger than that of the lower end of the positioning ring.
6. The fluid polishing clamp for the 3D printing impeller according to claim 1, wherein: the cover plate assembly (4) is composed of an upper cover (43), a pressing ring (42) and a lower cover (41), wherein the upper cover (43) is installed on the impeller, and the pressing ring (42) and the lower cover (41) are connected through screws and installed on the outer ring (3).
7. The fluid polishing clamp for the 3D printing impeller according to claim 1, wherein: the blocking cover component (5) is composed of a lower blocking cover (51) and an upper blocking cover (52), wherein the lower blocking cover (51) is connected with the lower end face of the impeller through a screw, and the upper blocking cover (52) is connected with the upper end face of the impeller through a screw.
8. The fluid polishing clamp for the 3D printing impeller according to claim 1, wherein: the base (1) is provided with a step shaft matched with the abrasive interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827799.3U CN215847614U (en) | 2021-08-06 | 2021-08-06 | Fluid polishing clamp for 3D printing impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827799.3U CN215847614U (en) | 2021-08-06 | 2021-08-06 | Fluid polishing clamp for 3D printing impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215847614U true CN215847614U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121827799.3U Active CN215847614U (en) | 2021-08-06 | 2021-08-06 | Fluid polishing clamp for 3D printing impeller |
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| CN (1) | CN215847614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229663A (en) * | 2022-06-28 | 2022-10-25 | 湖南南方通用航空发动机有限公司 | Abrasive flow machining clamp for turbine disc mortise and repair process |
-
2021
- 2021-08-06 CN CN202121827799.3U patent/CN215847614U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229663A (en) * | 2022-06-28 | 2022-10-25 | 湖南南方通用航空发动机有限公司 | Abrasive flow machining clamp for turbine disc mortise and repair process |
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