CN217748841U - Hole flanging tool for wall surface hole site of thin-wall cylinder - Google Patents
Hole flanging tool for wall surface hole site of thin-wall cylinder Download PDFInfo
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- CN217748841U CN217748841U CN202222178109.7U CN202222178109U CN217748841U CN 217748841 U CN217748841 U CN 217748841U CN 202222178109 U CN202222178109 U CN 202222178109U CN 217748841 U CN217748841 U CN 217748841U
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- hole flanging
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Abstract
The utility model discloses a hole flanging frock for thin wall barrel wall hole site, include: the top surface of the base is provided with a mounting groove, and guide columns are symmetrically arranged on two sides of the mounting groove; the lower module is arranged above the base, and the bottom surface of the lower module is provided with guide holes corresponding to the guide posts; the elastic cushion is arranged between the base and the lower module; the upper module is arranged above the lower module, and a forming slotted hole and an accommodating groove are formed in the bottom surface of the upper module; and the hole flanging assembly is arranged in the mounting groove, the top end of the hole flanging assembly penetrates through the elastic pad and the lower module and then extends into the forming groove hole, and the hole flanging assembly is used for matching with the downward pressing of the upper module to perform flanging forming on the hole position to be formed. The utility model discloses a hole flanging frock, simple structure for the hole flanging of thin wall barrel wall hole site processes, the simple operation, hole flanging shaping quality is good.
Description
Technical Field
The utility model relates to a thin wall part hole flanging shaping technical field especially relates to a hole flanging frock for thin wall barrel wall hole site.
Background
The flame tube shown in fig. 1 is an important component of an aircraft engine, and the side wall of the flame tube is provided with small holes, so that when the flame tube is processed, hole flanging processing needs to be performed on each hole position, and the difficulty in hole flanging processing is high due to the structural limitation of the flame tube. Therefore, a tool is urgently needed to be designed for machining thin-wall cylinders such as flame tubes and the like, and the tool is used for hole flanging of the thin-wall cylinders.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a hole flanging tool for wall surface hole sites of thin-walled cylinders, which has a simple structure, is convenient to operate, and has good hole flanging forming quality.
The utility model provides a pair of a hole flanging frock for thin wall barrel wall hole site, include:
the top surface of the base is symmetrically provided with guide posts at two sides of the mounting groove;
the bottom surface of the lower module is provided with guide holes corresponding to the guide posts, the top ends of the guide posts are inserted into the corresponding guide holes in a clearance fit manner, and the top surface of the lower module is provided with a supporting molded surface matched with the inner wall of the thin-wall cylinder;
the elastic cushion is arranged between the base and the lower module;
the upper module is arranged above the lower module, a downward pressing molded surface matched with the outer wall of the thin-wall cylinder is arranged on the bottom surface of the upper module, a molding slotted hole is formed in the position, corresponding to a hole position to be molded, of the thin-wall cylinder on the bottom surface of the upper module, and a containing groove is formed in the position, corresponding to the molded hole position on the thin-wall cylinder, of the bottom surface of the upper module;
and the hole flanging assembly is arranged in the mounting groove, the top end of the hole flanging assembly penetrates through the elastic pad and the lower module and then extends into the forming groove hole, and the hole flanging assembly is used for matching with the pressing of the upper module to perform flanging forming on the hole position to be formed.
Furthermore, the base comprises a bottom plate, a pressing plate is arranged on the top surface of the bottom plate, the bottom plate is fixedly connected with the pressing plate through a first bolt, the mounting groove is formed in the top surface of the pressing plate, the bottom surface of the pressing plate is located in first counter bores symmetrically arranged on two sides of the mounting groove, and the guide posts are in one-to-one correspondence and penetrate through the first counter bores from the bottoms.
Furthermore, one end of the top surface of the lower module is provided with two positioning blind holes, the upper module is provided with positioning through holes corresponding to the positioning blind holes, and the two positioning pin rods penetrate through the positioning through holes in a one-to-one correspondence mode and are inserted into the positioning blind holes.
Further, the hole flanging subassembly includes fixed plate and shaping pin rod, the fixed plate passes through the second bolt fastening in the mounting groove, the bottom surface of fixed plate is provided with the second counter bore, the second counter bore is located under the shaping slotted hole, the shaping pin rod passes in proper order stretch into behind second counter bore, cushion and the lower module in the shaping slotted hole, the top of shaping pin rod is provided with turn-ups shaping head.
Further, the elastic pad is a rubber pad.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a hole flanging frock is provided with down the module, goes up module and hole flanging subassembly. When the hole site on the side wall of the thin-wall barrel is flanged, the thin-wall barrel is placed between the lower module and the upper module, and the top end of the flanging assembly penetrates through the elastic pad, the lower module and the hole site to be flanged to be inserted into the forming slot on the bottom surface of the upper module. And then the upper module is pressed down by a hydraulic machine, the upper module and the lower module compress the elastic cushion together and move down, the top end of the hole flanging assembly extrudes the hole position to be flanged, and the flanging molding of the hole position is completed under the matching of the molding slotted hole. And after the flanging of one group of hole sites is finished, taking down the upper module, rotating the thin-wall cylinder, replacing the next group of hole sites, and continuing to perform hole flanging forming until the hole flanging forming processing of the thin-wall cylinder is finished. The hole flanging tool is convenient to operate and good in forming quality.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a schematic view of a thin-walled cylinder;
FIG. 2 is a schematic structural view of the hole flanging tool;
FIG. 3 is a schematic view of the hole flanging assembly;
FIG. 4 is a schematic sectional structure view of the hole flanging tool;
FIG. 5 is a schematic structural view of the thin-wall cylinder installed in the hole flanging tool;
FIG. 6 is a schematic cross-sectional view of another embodiment of the hole flanging tool;
fig. 7 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 6.
The reference numbers in the figures: 1. a thin-walled cylinder; 2. a base; 3. a lower module; 4. an elastic pad; 5. an upper module; 6. hole flanging assembly
11. A first hole site; 12. a second hole site;
21. mounting grooves; 22. a guide post; 23. a base plate; 24. pressing a plate; 25. a first counterbore;
31. a guide hole; 32. a support profile;
51. forming a slotted hole; 52. accommodating grooves; 53. positioning the through hole; 54. positioning the pin rod;
61. a fixing plate; 62. forming a pin rod; 63. a second counterbore; 64. a flanging forming head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention provides a hole flanging tool for a wall hole site of a thin-walled cylinder, including:
the top surface of the base 2 is provided with a mounting groove 21, and guide columns 22 are symmetrically arranged on the top surface of the base 2 at two sides of the mounting groove 21;
the lower module 3 is arranged above the base 2, the bottom surface of the lower module 3 is provided with guide holes 31 corresponding to the guide posts 22, the top ends of the guide posts 22 are inserted into the corresponding guide holes 31 in a clearance fit manner, and the top surface of the lower module 3 is provided with a supporting molded surface 32 matched with the inner wall of the thin-wall cylinder 1;
the elastic pad 4 is arranged between the base 2 and the lower module 3;
the upper module 5 is arranged above the lower module 3, a pressing surface matched with the outer wall of the thin-wall barrel 1 is arranged on the bottom surface of the upper module 5, a forming slotted hole 51 is formed in the bottom surface of the upper module 5 corresponding to a hole position to be formed in the thin-wall barrel 1, and a containing groove 52 is formed in the bottom surface of the upper module 5 corresponding to the formed hole position in the thin-wall barrel 1;
and the hole flanging assembly 6 is arranged in the mounting groove 21, the top end of the hole flanging assembly passes through the elastic pad 4 and the lower module 3 and then extends into the forming slotted hole 51, and the hole flanging assembly is used for flanging the hole position to be formed by matching with the downward pressing of the upper module 5.
In this embodiment, when the hole flanging processing is performed on the thin-wall cylinder 1 as shown in fig. 1, the upper module 5 is firstly removed, the thin-wall cylinder 1 is sleeved on the base 2 and the lower module 3, and then the thin-wall cylinder 1 and the lower module are placed on the workbench of the hydraulic press together, and the bottom of the thin-wall cylinder 1 falls into the groove on the workbench. Then, the thin-wall cylinder 1 is rotated to make the hole position to be formed aligned with the top end of the hole flanging assembly 6, and the upper module 5 is pressed on the thin-wall cylinder 1 to make the top end of the hole flanging assembly 6 aligned with the forming slotted hole 51 at the bottom of the upper module 5. The upper module 5 is then pressed down by a hydraulic press, and the upper module 5 and the lower module 3 together compress the elastic pad 4 and move down. Along with the downward movement of the thin-wall cylinder body 1, the top end of the hole flanging component 6 extrudes the hole position to be formed, and the hole position flanging forming is completed under the matching of the forming slotted hole 51.
And after the flanging of one group of hole sites is finished, taking down the upper module 5 and rotating the thin-wall cylinder 1, replacing the next group of hole sites, and continuing to perform hole flanging processing until the hole flanging forming processing of the thin-wall cylinder 1 is finished. The hole flanging tool is convenient to operate, and is good in hole flanging forming quality of hole positions on the side wall of the thin-wall barrel body 1.
In a preferred embodiment, as shown in fig. 2 and 4, the base 2 includes a bottom plate 23, a pressing plate 24 is disposed on a top surface of the bottom plate 23, the bottom plate 23 is fixedly connected to the pressing plate 24 through a first bolt, the mounting groove 21 is disposed on the top surface of the pressing plate 24, first counter bores 25 are symmetrically disposed on two sides of the mounting groove 21 on a bottom surface of the pressing plate 24, and the guide posts 22 are disposed through the first counter bores 25 from the bottom in a one-to-one correspondence manner.
In this embodiment, the base 2 is a split structure, and the guide posts 22 can be easily replaced by detaching the bottom plate 23 and the pressing plate 24. In the process of processing the thin-wall cylinder 1, when the guide column 22 cannot be accurately guided due to reasons such as abrasion or operation error, the guide column 22 is pressed and inclined, and the like, the guide column is convenient to replace, so that the processing quality of the thin-wall cylinder 1 is ensured. The whole base 2 cannot be scrapped, and the cost is reduced.
In a preferred embodiment, as shown in fig. 2 and 4, one end of the top surface of the lower module 3 is provided with two positioning blind holes, the corresponding positioning blind holes on the upper module 5 are provided with positioning through holes 53, and two positioning pin rods 54 are inserted into the positioning blind holes one by one through the positioning through holes 53.
In the embodiment, the upper module 5 is installed and positioned through the two positioning pin rods 54, so that the top end of the hole flanging assembly 6 can be accurately aligned with the forming slot 51, and the installation convenience of the upper module 5 is improved.
In a preferred embodiment, as shown in fig. 4, 6 and 7, the hole flanging assembly 6 includes a fixing plate 61 and a forming pin rod 62, the fixing plate 61 is fixed in the mounting groove 21 by a second bolt, a second counter bore 63 is provided on the bottom surface of the fixing plate 61, the second counter bore 63 is located right below the forming slot 51, the forming pin rod 62 sequentially passes through the second counter bore 63, the elastic pad 4 and the lower module 3 and then extends into the forming slot 51, and a flanging forming head 64 is provided at the top end of the forming pin rod 62.
In this embodiment, the bottom end of the forming pin 62 is fixedly mounted in the mounting groove 21 by the fixing plate 61, and the flanging forming head 64 at the top end of the forming pin 62 is aligned with the forming slot 51. The forming pin rod 62 is fixed, and the thin-wall cylinder 1 moves downwards under the driving of the lower module 3 and the upper module 5. The flanging forming of the hole position is completed by matching the flanging forming head 64 with the forming slot hole 51.
According to different hole sites on the thin-wall cylinder body 1, the processing requirements of a plurality of groups of hole flanging assemblies 6 aiming at different hole sites can be designed. In some embodiments, when the needle-pushing thin-walled cylinder 1 is provided with only one or two circles of the first hole sites 11, the hole flanging assembly 6 adopts the structure shown in fig. 4, so that two circles of the first hole sites 11 with the same angular position can be flanged, and the upper module 5 adopts the structure shown in fig. 4 and is matched with the hole flanging assembly 6 for use.
In other embodiments, as shown in fig. 6 and 7, when the needle pushes the thin-walled cylinder 1 and the first hole site 11 and the second hole site 12 are simultaneously disposed, the hole flanging of the first hole site 11 and the second hole site 12 cannot be simultaneously completed due to the different angular positions of the first hole site 11 and the second hole site 12. The hole flanging assembly 6 is adapted to add the structure shown in fig. 6. When the thin-wall cylinder 1 is processed, firstly, the hole flanging of all the first hole sites 11 is completed through the hole flanging assembly 6 shown in fig. 4, then the hole flanging assembly 6 is replaced into the structure shown in fig. 6, and meanwhile, the hole flanging forming of the second hole sites 12 is completed by adopting the cooperation of the upper die block 5 shown in fig. 6.
Aiming at the thin-wall cylinder body 1 with more than two angular position holes, the matched hole flanging component 6 and the adaptive upper module 5 are added, so that the structural design is flexible, and the adaptability is high.
In a preferred embodiment, the elastic pad 4 is a rubber pad, which has good elastic supporting effect and low manufacturing cost.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood broadly, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (5)
1. The utility model provides a hole flanging frock for thin wall barrel wall hole site which characterized in that includes:
the top surface of the base is provided with mounting grooves, and guide columns are symmetrically arranged on two sides of the mounting grooves on the top surface of the base;
the bottom surface of the lower module is provided with guide holes corresponding to the guide posts, the top ends of the guide posts are inserted into the corresponding guide holes in a clearance fit manner, and the top surface of the lower module is provided with a supporting molded surface matched with the inner wall of the thin-wall cylinder;
the elastic cushion is arranged between the base and the lower module;
the upper module is arranged above the lower module, a downward pressing molded surface matched with the outer wall of the thin-wall cylinder is arranged on the bottom surface of the upper module, a molding slotted hole is formed in the position, corresponding to a hole position to be molded, of the thin-wall cylinder on the bottom surface of the upper module, and a containing groove is formed in the position, corresponding to the molded hole position on the thin-wall cylinder, of the bottom surface of the upper module;
and the hole flanging assembly is arranged in the mounting groove, the top end of the hole flanging assembly penetrates through the elastic pad and the lower module and then extends into the forming groove hole, and the hole flanging assembly is used for matching with the pressing of the upper module to perform flanging forming on the hole position to be formed.
2. The hole flanging tool for the wall surface hole sites of the thin-wall cylinder bodies as claimed in claim 1, wherein the base comprises a bottom plate, a pressing plate is arranged on the top surface of the bottom plate, the bottom plate is fixedly connected with the pressing plate through a first bolt, the mounting groove is formed in the top surface of the pressing plate, first counter bores are symmetrically formed in the bottom surface of the pressing plate, which is located on two sides of the mounting groove, and the guide columns are arranged in a one-to-one correspondence manner and penetrate through the first counter bores from the bottoms.
3. The hole flanging tool for the wall surface hole sites of the thin-walled cylinder body as claimed in claim 1, wherein one end of the top surface of the lower module is provided with two positioning blind holes, the upper module is provided with positioning through holes corresponding to the positioning blind holes, and two positioning pin rods correspondingly penetrate through the positioning through holes one by one and are inserted into the positioning blind holes.
4. The hole flanging tool for the wall surface hole sites of the thin-walled cylinder body as claimed in claim 1, wherein the hole flanging assembly comprises a fixing plate and a forming pin rod, the fixing plate is fixed in the mounting groove through a second bolt, a second counter bore is formed in the bottom surface of the fixing plate, the second counter bore is located under the forming groove hole, the forming pin rod sequentially penetrates through the second counter bore, the elastic pad and the lower module and then extends into the forming groove hole, and a flanging forming head is arranged at the top end of the forming pin rod.
5. The hole flanging tool for the wall surface hole site of the thin-walled cylinder body as claimed in claim 1, wherein the elastic pad is a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178109.7U CN217748841U (en) | 2022-08-18 | 2022-08-18 | Hole flanging tool for wall surface hole site of thin-wall cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222178109.7U CN217748841U (en) | 2022-08-18 | 2022-08-18 | Hole flanging tool for wall surface hole site of thin-wall cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN217748841U true CN217748841U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222178109.7U Active CN217748841U (en) | 2022-08-18 | 2022-08-18 | Hole flanging tool for wall surface hole site of thin-wall cylinder |
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| CN (1) | CN217748841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713396A (en) * | 2023-06-27 | 2023-09-08 | 广州纬华节能设备有限公司 | Water tank liner processing device |
-
2022
- 2022-08-18 CN CN202222178109.7U patent/CN217748841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713396A (en) * | 2023-06-27 | 2023-09-08 | 广州纬华节能设备有限公司 | Water tank liner processing device |
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