CN212169618U - Auxiliary equipment for processing cylindrical thin-wall part hole - Google Patents
Auxiliary equipment for processing cylindrical thin-wall part hole Download PDFInfo
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- CN212169618U CN212169618U CN202020803367.8U CN202020803367U CN212169618U CN 212169618 U CN212169618 U CN 212169618U CN 202020803367 U CN202020803367 U CN 202020803367U CN 212169618 U CN212169618 U CN 212169618U
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Abstract
The utility model discloses an auxiliary assembly of cylindric thin wall part spot facing work, including first clamp plate and the second clamp plate that is located thin wall cylinder both ends face respectively, be equipped with the packing groove between first clamp plate and the second clamp plate, the packing groove can keep away from or be close to first clamp plate, splendid attire stopping in the packing groove, the opening of packing groove is towards the inner wall of cylinder, the packing groove both ends link to each other with compressing tightly the subassembly respectively, splendid attire stopping in the packing groove can change radial clamping force into axial force, thereby avoid or reduce the deformation degree of cylindric thin wall spare, agree with completely with the interior cambered surface of cylindric thin wall spare behind the splendid attire stopping in the packing groove, can provide support on the widest range around spot facing work, increase the rigidity of the entire system of cylindric thin wall spare in spot facing work, counter bore processing normal direction position precision and the stability in series hole have been guaranteed, and equipment easy dismounting, The curved surface positioning accuracy is high, the commonality is strong, can promote the efficiency of cylindric thin wall spare when spot facing work adds man-hour.
Description
Technical Field
The utility model relates to a machining auxiliary assembly, concretely relates to auxiliary assembly of cylindric thin wall part spot facing work.
Background
In the aerospace, navigation and power generation industries, parts such as thermocouple protective sleeves, cooling sleeves, spray pipes and the like mainly adopt cylindrical thin-wall porous structures, but when cylindrical thin-wall parts are used for hole machining, due to the factors of poor rigidity, low strength, large drilling radial force, inconvenience in clamping and the like, hole machining positions and normal precision of holes in an arc surface are difficult to guarantee. At present, aiming at the hole machining problem of a cylindrical thin-wall part, conventional solutions comprise a direct clamping method, an internal support method and a low-melting-point alloy casting method, and the methods have certain defects although being improved.
For example, the direct clamping method adopts a mode that an inner hole penetrates through a pull rod and an end face is overlapped with a pressing plate, the integral rigidity of a thin-wall cylindrical part is increased to a certain extent through an I-shaped structure, but the side wall strength of the cylindrical part is still lower, the contact surface between a cutter and the thin wall is small, the vibration is easy to occur, particularly when the diameter of the cutter is increased, the cutting force is larger, and the cutter breakage phenomenon can occur in serious cases. The inner support method generally needs to design special tools, such as choke plugs, mandrels and the like, the radius range capable of adapting to is extremely limited, the tool manufacturing cost is high, and therefore the tool is only suitable for a single-variety and large-batch production mode. The low-melting-point alloy casting method is a processing mode of filling a thin-wall part into a solid by using low-melting-point alloy to increase rigidity, the filling temperature can be controlled, the filling alloy can be repeatedly used, but the melting point of the alloy is influenced by the components and the content of the alloy, so that the control is difficult, the production efficiency is low, and the large-batch production mode cannot be met.
To prior art's defect, the utility model provides a cylindric thin wall part spot facing work auxiliary assembly, this auxiliary assembly have easy dismounting, curved surface positioning accuracy is high, the commonality is strong, advantages such as low in cost, can solve cylindric thin wall spare effectively and add the spot facing work hole precision difficult assurance, the too poor scheduling problem of frock interchangeability in the hole, promote machining efficiency, reduce manufacturing cost simultaneously.
Disclosure of Invention
The utility model overcomes prior art's defect provides an auxiliary assembly of cylindric thin wall part spot facing work, effectively solves the cylindric thin wall spare and adds the problem that the precision is difficult to guarantee, machining efficiency is low man-hour in the hole.
The utility model discloses a following technical scheme realizes:
the utility model provides an auxiliary assembly of cylindric thin wall part spot facing work, includes first clamp plate and the second clamp plate that is located thin wall cylinder both ends face respectively, first clamp plate and second clamp plate set up relatively, be equipped with the filling groove between first clamp plate and the second clamp plate, the filling groove can keep away from or be close to first clamp plate, the filling groove is along cylinder axial extension and opening towards the inner wall of cylinder, splendid attire stopping in the filling groove.
Furthermore, the middle parts of the first pressing plate and the second pressing plate are respectively provided with a first pull hole and a second pull hole, a connecting assembly penetrates through the first pull hole or the second pull hole, and the connecting assembly is connected with the filling groove and the first pressing plate or the second pressing plate.
Furthermore, the first pull hole and the second pull hole are long round holes and extend along the length direction of the first pressing plate and the length direction of the second pressing plate respectively, and the connecting assembly can slide in the first pull hole or the second pull hole.
Further, coupling assembling is including passing the pull rod in first trompil, packing groove, second trompil in proper order, the pull rod surpasss first trompil end and enlarges, the pull rod surpasss second trompil end and is equipped with screw thread and adaptation lock nut, be equipped with the cushion on the pull rod, the cushion is located between first clamp plate and the packing groove and/or between second clamp plate and the packing groove.
Further, the cushion block is circular or C-shaped.
Further, coupling assembling includes perpendicular rigid coupling in the first screw rod, the second screw rod of filling the groove terminal surface respectively, first screw rod wears out the first adjusting nut of adaptation behind the first trompil, the second screw rod wears out the second trompil back adaptation second adjusting nut.
Furthermore, at least one end of the two end surfaces of the filling groove is open, and buffer materials can enter the filling groove.
Further, the cross section of the filling groove is in a semi-closed shape, including a U shape, a V shape or an arc shape.
Further, the buffer material is a low-melting-point material, and comprises paraffin, phenolic resin or low-melting-point alloy.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to an auxiliary device for processing a cylindrical thin-wall part hole, which can convert radial clamping force into axial force, enhance the integral rigidity and simultaneously improve the strength of a position to be processed, thereby avoiding or relieving the deformation of the cylindrical thin-wall part;
2. the utility model relates to an auxiliary assembly for processing cylindrical thin-wall part holes, which is characterized in that a filling groove is filled with buffer materials and then is completely matched with the inner cambered surface of a cylindrical thin-wall part, thereby providing the support with the largest range around the hole processing, increasing the rigidity of the whole system of the cylindrical thin-wall part during the hole processing, and ensuring the normal position precision of the counter bore processing and the stability of a series of holes;
3. the utility model relates to an auxiliary device for processing a cylindrical thin-wall part hole, which has convenient device disassembly and assembly, high curved surface positioning precision and strong universality and can improve the efficiency of the cylindrical thin-wall part during hole processing;
4. the utility model relates to an auxiliary assembly of cylindric thin wall part spot facing work adopts low melting point low rigidity materials such as paraffin as filling the base material, can prevent the unexpected deformation damage or the scraping damage of part, plays whole protection to the part indirectly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is an isometric view of the whole auxiliary device of the present invention;
fig. 2 is an isometric view of fig. 1 with the barrel removed in accordance with the present invention;
figure 3 is a front view of the present invention in figure 2;
fig. 4 is a preferred embodiment of the coupling assembly of the present invention;
fig. 5 is an isometric illustration of a fill slot of the present invention;
fig. 6 is a left side view of the filling tank of the present invention.
Reference numbers and corresponding part names in the drawings:
11-a first pressing plate, 12-a second pressing plate, 13-a first pull rod, 14-a second pull hole, 2-a filling groove, 3-a filling material, 4-a connecting assembly, 41-a pull rod, 42-a locking nut, 43-a cushion block, 45-a first screw rod, 46-a second screw rod, 47-a first adjusting nut, 48-a second adjusting screw nut and 9-a cylindrical piece.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
The utility model provides an auxiliary assembly of cylindric thin wall part spot facing work, includes first clamp plate 11 and the second clamp plate 12 that is located thin wall cylindric 9 both ends face respectively, first clamp plate 11 sets up with second clamp plate 12 relatively, be equipped with filling groove 2 between first clamp plate 11 and the second clamp plate 12, filling groove 2 can keep away from or be close to first clamp plate 11, filling groove 2 is along the extension of cylindric 9 axial and the opening towards the inner wall of cylindric 9, splendid attire stopping 3 in the filling groove 2. It is understood that the filling groove 2 is far away from or close to the first pressing plate 11, which means that the filling groove 2 moves between the first pressing plate 11 and the second pressing plate 12, that is, the filling groove 2 can move towards the first pressing plate 11 and towards the second pressing plate 12, so that the filling groove can be applied to a long thin-wall cylindrical part 9 with a short length and low cost, and can also be applied to a cylindrical part 9 which only needs to be processed with holes in a certain part of the length of the cylindrical part 9 in the left, middle and right parts and the like.
Furthermore, the middle parts of the first pressing plate 11 and the second pressing plate 12 are respectively provided with a first pulling hole 13 and a second pulling hole 14, the connecting component 4 penetrates through the first pulling hole 13 or the second pulling hole 14, and the connecting component 4 is connected with the filling groove 2 and the first pressing plate 11 or the second pressing plate 12. Furthermore, the first pulling hole 13 and the second pulling hole 14 are oblong holes and extend along the length direction of the first pressing plate 11 and the second pressing plate 12, respectively, and the connecting assembly 4 can slide in the first pulling hole 13 or the second pulling hole 14. It can be understood that the connecting assembly 4 is used for connecting the two ends of the filling groove 2 with the corresponding pressing plates respectively, the pull hole in the middle of each pressing plate is a long round hole, the position of the auxiliary equipment can be finely adjusted when the auxiliary equipment is installed, and the working efficiency can be improved.
As shown in fig. 2-3, further, the connecting assembly 4 includes a pull rod 41 sequentially passing through the first pull hole 13, the filling groove 2, and the second pull hole 14, the end of the pull rod 41 beyond the first pull hole 13 expands, the end of the pull rod 41 beyond the second pull hole 14 is provided with a thread and is adapted to a lock nut 42, the pull rod 41 is provided with a spacer 43, and the spacer 43 is located between the first pressing plate 11 and the filling groove 2 and/or between the second pressing plate 12 and the filling groove 2. Further, the pad 43 has a circular or C-shape. It can be understood that the number of the pull rod 41 may be one, and at this time, the arc and the point are positioned, but in order to obtain better stability and increase the installation speed, the number of the pull rod 41 may be two or more, one end of the pull rod 41 is expanded, that is, the diameter is slightly larger, and the pull rod cannot pass through the pull hole, the position of the filling groove 2 between the first pressing plate 11 and the second pressing plate 12 can be adjusted by the number and thickness of the whole cushion block 43 (the thickness of different cushion blocks 43 may have the same or different thickness, so as to be adjusted in place quickly), the cushion block 43 is circular, the pull rod 41 needs to be withdrawn in sequence and then threaded, and if the cushion block is made into a C shape, the pull rod 41 can be directly clamped on the pull rod 41 like a weight of a platform scale.
As shown in fig. 4, further, the connecting assembly 4 includes a first screw 45 and a second screw 46 respectively and vertically fixed to the end surface of the filling groove 2, the first screw 45 penetrates through the first pull hole 13 and then is fitted with a first adjusting nut 47, and the second screw 46 penetrates through the second pull hole 14 and then is fitted with a second adjusting nut 48. It can be understood that, similarly, the number of screw pairs at the two ends of the filling tank 2 may be one pair or multiple pairs, and the advantage of the preferred embodiment is that the position of the filling tank 2 between the first pressing plate 11 and the second pressing plate 12 can be directly realized by adjusting the position of the adjusting nut.
Furthermore, at least one end of the two end surfaces of the filling groove 2 is open, and the buffer material 3 can enter the filling groove. It should be noted that the buffer material 3 in the filling tank 2 is filled when the filling tank 2 is vertically placed, the filling tank 2 is first attached to and fixed on the inner wall of the cylindrical member 9 or the inner wall of the cylindrical mold having the same curvature radius, the opening of the filling tank 2 faces the inner wall, the fluid buffer material 3 is injected from one open end after the filling tank 2 is vertically placed, and the filling tank 2 is removed after the fluid buffer material is solidified, so that at least one end of the filling tank 2 needs to be open, and naturally, for the simple manufacture and the convenient processing, it is also possible that both ends are open, and the lower end is grounded when the filling tank 2 is vertically placed.
Further, the cross section of the filling groove 2 is in a semi-closed shape, including a U shape, a V shape or an arc shape. It will be appreciated that the cross-section of the filling channel 2 is such that the open side is adapted to engage the inner wall of the tubular member 9, and the other sides or edges are closed, so as to ensure that a closed shape is formed against the inner wall, and may be U-shaped, V-shaped, arcuate, etc.
Further, the buffer material 3 is a low-melting-point material, and comprises paraffin, phenolic resin or low-melting-point alloy. It will be appreciated that the buffer material 3 needs to be melted into a liquid for injection into the filling tank 2, and the melting point needs to be lower than that of the cylindrical member 9 and the auxiliary device itself, so that paraffin wax, phenolic resin, low-melting-point alloy, etc. can be selected, and paraffin wax is preferable in the actual operation because it is inexpensive and has low hardness and appropriate strength to provide sufficient support while protecting the cylindrical member 9.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides an auxiliary assembly of cylindric thin wall part spot facing work, is including first clamp plate (11) and second clamp plate (12) that are located thin wall cylindric piece (9) both ends face respectively, its characterized in that, first clamp plate (11) set up with second clamp plate (12) relatively, be equipped with between first clamp plate (11) and second clamp plate (12) filling groove (2), filling groove (2) can be kept away from or be close to first clamp plate (11), filling groove (2) are along cylindric piece (9) axial extension and the inner wall of opening towards cylindric piece (9), splendid attire stopping (3) in filling groove (2).
2. The auxiliary device for hole machining of the cylindrical thin-walled part according to claim 1, wherein a first pull hole (13) and a second pull hole (14) are respectively formed in the middle of the first pressing plate (11) and the second pressing plate (12), the connecting assembly (4) penetrates through the first pull hole (13) or the second pull hole (14), and the connecting assembly (4) is connected with the filling groove (2) and the first pressing plate (11) or the second pressing plate (12).
3. The auxiliary device for hole machining of the cylindrical thin-walled part is characterized in that the first pulling hole (13) and the second pulling hole (14) are oblong holes and extend along the length direction of the first pressing plate (11) and the length direction of the second pressing plate (12) respectively, and the connecting assembly (4) can slide in the first pulling hole (13) or the second pulling hole (14).
4. The auxiliary device for hole machining of the cylindrical thin-walled part according to claim 2 or 3, characterized in that the connecting assembly (4) comprises a pull rod (41) which sequentially passes through the first pull hole (13), the filling groove (2) and the second pull hole (14), wherein the end of the pull rod (41) which exceeds the first pull hole (13) is expanded, the end of the pull rod (41) which exceeds the second pull hole (14) is provided with threads and is matched with a locking nut (42), a cushion block (43) is arranged on the pull rod (41), and the cushion block (43) is positioned between the first pressing plate (11) and the filling groove (2) and/or between the second pressing plate (12) and the filling groove (2).
5. Auxiliary equipment for hole machining of cylindrical thin-walled parts according to claim 4, characterized in that the spacer (43) is circular or C-shaped.
6. The auxiliary equipment for hole machining of the cylindrical thin-walled part according to claim 2 or 3, wherein the connecting assembly (4) comprises a first screw rod (45) and a second screw rod (46) which are respectively and vertically fixedly connected to the end face of the filling groove (2), the first screw rod (45) penetrates through the first pulling hole (13) and then is matched with a first adjusting nut (47), and the second screw rod (46) penetrates through the second pulling hole (14) and then is matched with a second adjusting nut (48).
7. The auxiliary device for hole machining of the cylindrical thin-walled part according to claim 1, wherein at least one end of the two end surfaces of the filling groove (2) is open and is used for filling material (3) to enter.
8. Auxiliary equipment for hole machining of cylindrical thin-walled parts according to claim 1, characterized in that the cross section of the filling groove (2) is semi-closed, including U-shaped, V-shaped or bow-shaped.
9. The auxiliary equipment for hole machining of the cylindrical thin-walled part is characterized in that the filler (3) is paraffin, phenolic resin or low-melting-point alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803367.8U CN212169618U (en) | 2020-05-14 | 2020-05-14 | Auxiliary equipment for processing cylindrical thin-wall part hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803367.8U CN212169618U (en) | 2020-05-14 | 2020-05-14 | Auxiliary equipment for processing cylindrical thin-wall part hole |
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| Publication Number | Publication Date |
|---|---|
| CN212169618U true CN212169618U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020803367.8U Active CN212169618U (en) | 2020-05-14 | 2020-05-14 | Auxiliary equipment for processing cylindrical thin-wall part hole |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443118A (en) * | 2021-09-01 | 2021-09-28 | 成都飞机工业（集团）有限责任公司 | Aircraft component, filling structure for aircraft component process stiffening and installation method |
| CN113664482A (en) * | 2021-09-29 | 2021-11-19 | 中国航发动力股份有限公司 | Method for machining small-diameter precise hole with incomplete hole wall |
-
2020
- 2020-05-14 CN CN202020803367.8U patent/CN212169618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443118A (en) * | 2021-09-01 | 2021-09-28 | 成都飞机工业（集团）有限责任公司 | Aircraft component, filling structure for aircraft component process stiffening and installation method |
| CN113664482A (en) * | 2021-09-29 | 2021-11-19 | 中国航发动力股份有限公司 | Method for machining small-diameter precise hole with incomplete hole wall |
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