CN116371993A - Right-angle flanging device suitable for general lathe and machining method - Google Patents
Right-angle flanging device suitable for general lathe and machining method Download PDFInfo
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- CN116371993A CN116371993A CN202310429700.1A CN202310429700A CN116371993A CN 116371993 A CN116371993 A CN 116371993A CN 202310429700 A CN202310429700 A CN 202310429700A CN 116371993 A CN116371993 A CN 116371993A
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- shell
- support ring
- fixed
- angle flanging
- hob
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- 238000003754 machining Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 11
- 239000012528 membrane Substances 0.000 claims abstract description 41
- 238000009966 trimming Methods 0.000 claims abstract description 17
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000007514 turning Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 13
- 238000009740 moulding (composite fabrication) Methods 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 10
- 238000007688 edging Methods 0.000 description 7
- 239000000306 component Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Tyre Moulding (AREA)
Abstract
The invention provides a right-angle flanging device suitable for a general lathe, which comprises: the device comprises a bottom plate, support columns, an inner support ring and an outer support ring, wherein the outer support ring is arranged on the periphery of the inner support ring, and the inner support ring and the outer support ring are fixed on the bottom plate through the support columns; the bottom of the expansion block is fixed at the top of the inner support ring, one side of the expansion block is abutted with the inner side surface of the shell, the bottom of the binding tire membrane is fixed at the top of the outer support ring, and one side of the binding tire membrane is abutted with the outer side surface of the shell; the bottom of the positioning block is fixed on the top surface of the bottom plate, and the top surface of the positioning block is abutted with the lower bottom surface of the shell; the hob is fixed on the general lathe, and the processing side of the hob faces the shell; a fastening assembly extends outwardly from the hub and is secured to the inner support ring. The manufacturing requirement of the right-angle flanging of the shell is met through the size of the trimming tire film, the stability of the shell part machining process is improved, the qualification rate and the machining efficiency of the part are improved, and the production cost is reduced.
Description
Technical Field
The specification relates to the technical field of machining, in particular to a right-angle flanging device and a machining method suitable for a general lathe.
Background
A sheet metal inner shell forming part of a certain detachable shell uses martensitic stainless steel (1 Cr11Ni2W2 MoV), the size of the sheet metal inner shell forming part is phi 765, the height of the sheet metal inner shell forming part is 276mm, the thickness of the sheet metal inner shell forming part is 1.0mm, the flatness requirements of two ends of the sheet metal inner shell forming part are not more than 0.5mm, and the structure of the whole-ring sheet metal inner shell part after flanging is shown in figure 9.
As shown in fig. 8, the part to be processed is a right-angle flanging of the whole-ring sheet metal inner shell. The technical requirement is that the steel is lathed to an outer diameter phi 764 -0.5 The outer diameter is 2.0mm in linear dimension, and the flatness is required to be 0.5mm. The processing and discharging mode commonly used is a process scheme of cutting a plate, welding, heat treatment, forming, turning, edging and turning. However, after the two-axis rolling machine is adopted to roll and turn over edges for forming, the flatness of the two ends of the part reaches 0.8-4 mm, and the welding requirement cannot be met.
Disclosure of Invention
In view of this, the embodiment of the present disclosure provides a right-angle flanging device and a processing method suitable for a general lathe, so as to achieve the purpose of right-angle flanging of an inner shell of a full-ring sheet metal.
The embodiment of the specification provides the following technical scheme:
a right angle flanging device suitable for a general lathe, comprising:
a cylindrical shell to be processed, the shell having an upper bottom surface and a lower bottom surface;
the device comprises a bottom plate, support columns, an inner support ring and an outer support ring, wherein the outer support ring is arranged on the periphery of the inner support ring, and the inner support ring and the outer support ring are fixed on the bottom plate through the support columns;
the bottom of the expansion block is fixed at the top of the inner supporting ring, one side of the expansion block is in butt joint with the inner side surface of the shell, the bottom of the trimming tire membrane is fixed at the top of the outer supporting ring, and one side of the trimming tire membrane is in butt joint with the outer side surface of the shell;
the positioning block is fixed on the bottom plate, and the top surface of the positioning block is abutted with the lower bottom surface of the shell;
the hob is fixed on the general lathe, and the processing side of the hob faces the shell;
a fastening assembly extends outwardly from the hub and is secured to the inner support ring.
Further, the hob includes:
the lathe comprises a tool rest, rollers and a shaft, wherein the tool rest is fixed with a general lathe, and the rollers are fixed at the tail end of the tool rest through the shaft.
Further, the hob further includes:
the shaft is fixed on the tool rest through the cotter pin, and the bearing is arranged on the periphery of the shaft.
Further, the included angle between the central axis of the roller and the tire membrane end face H of the edge rolling tire membrane is 45 degrees.
Further, the edging tire film is provided with a working cambered surface, and the fillet radius of the working cambered surface is equal to the profile radius of the right-angle flanging of the shell.
Further, the right-angle flanging device suitable for the general lathe further comprises screws, and the edging tire film is fixed on the upper part of the outer support ring through the screws.
Further, the fastening assembly includes:
the mandrel is arranged at the axis of the right-angle flanging device, the inner cone is sleeved on the outer layer of the mandrel, and the mandrel is fixed with the inner cone through the nut;
the guide block is fixed on the inner support ring, the pin is horizontally fixed on one side of the guide block facing the axis, one end of the spring is sleeved on the periphery of the pin, and the other end of the spring is abutted to the expansion block.
Further, the top surface of the positioning block comprises an axial positioning reference surface E and an axial positioning reference surface F with a horizontal height difference, and the value of the horizontal height difference is equal to the sum of the profile radius of the right-angle flanging of the shell and the wall thickness of the shell.
A processing method of a right-angle flanging comprises the following steps:
clamping the right-angle flanging device on a disc chuck of a general lathe;
the shell is arranged in a right-angle flanging device, so that the lower bottom surface of the shell is completely contacted with an axial positioning reference surface F of the positioning block;
the inner side surface of the shell is tightly pressed by using the expansion block;
the hob is horizontally arranged and fastened to a general lathe, so that the hob is contacted with the tire membrane end face H of the trimming tire membrane and is aligned;
adjusting a longitudinal supporting plate of the universal lathe to enable the distance between the hob and the end face H of the tire membrane to meet the machining requirement;
the hob is driven by a general machine tool to feed from the inner side of the shell to the outer side, and pressure is applied to the outer side so that the shell is completely attached to the tire membrane end face H of the trimming tire membrane;
after the flanging of the upper bottom surface is completed, taking out the shell to completely contact the upper bottom surface with the axial positioning reference surface E of the trimming tire membrane;
and (5) compacting the inner side surface of the shell by using the expansion block and executing the subsequent steps until the flanging of the lower bottom surface is completed.
Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least:
the shell right-angle flanging is formed by adopting a universal lathe to roll the shell together with the hob, the manufacturing requirement of the shell right-angle flanging is met through the size of the flanging die, the stability of the shell part machining process is improved, the qualification rate and the machining efficiency of the part are improved, and the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a right angle flanging device suitable for a general lathe according to an embodiment of the present invention;
FIG. 2 is a top view of a right angle flanging device suitable for a general lathe according to an embodiment of the present invention;
FIG. 3 is a schematic view of a shell structure after a right-angle flanging in an embodiment of the present invention;
FIG. 4 is a front view of a piping tire membrane according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the dashed portion of FIG. 4;
FIG. 6 is a top view of a piping tire membrane of an embodiment of the present invention;
FIG. 7 is a front view of a hob according to an embodiment of the present invention;
FIG. 8 is a front view of an expansion block of an embodiment of the present invention;
FIG. 9 is a top view of an expansion block of an embodiment of the present invention;
FIG. 10 is a schematic view of the position of the processing method according to the embodiment of the invention;
FIG. 11 is a schematic view of the stress direction of a hob and a piping tire membrane according to an embodiment of the present invention.
Reference numerals illustrate: 1. a bottom plate; 2. a support column; 3. an outer support ring; 4. edge rolling tire membrane; 401. a working cambered surface; 5. an inner support ring; 6. a swelling block; 7. a guide block; 8. a pin; 9. a spring; 10. an inner cone; 11. a nut; 12. a mandrel; 13. a screw; 14. a hob; 1401. a tool holder; 1402. a roller; 1403. a shaft; 1404. a cotter pin; 1405. a bearing; 1406. the contact surface of the roller and the shell; 15. and (5) positioning blocks.
Detailed Description
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, apparatus may be implemented and/or methods practiced using any number and aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the application by way of illustration, and only the components related to the application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The following describes the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
Referring to fig. 1, 2, 8 and 9, a right-angle flanging device suitable for a general lathe according to an embodiment of the present invention includes: the bottom plate 1, the support column 2, the outer support ring 3, the inner support ring 5, the expansion block 6, the trimming tire membrane 4, the screw 13, the positioning block 15, the hob 14 and the fastening component. Wherein, hob 14 includes: tool post 1401, roller 1402, shaft 1403, cotter pin 1404 and bearing 1405. The fastening assembly includes: the guide block 7, the spring 9, the pin 8, the mandrel 12, the inner cone 10 and the nut 11.
The outer support ring 3 is arranged on the periphery of the inner support ring 5, the inner support ring 5 and the outer support ring 3 are fixed on the bottom plate 1 through the support columns 2, and the support columns 2 realize the connection of the outer support ring 3, the inner support ring 5 and the bottom plate 1. The bottom of the expansion block 6 is fixed at the top of the inner support ring 5, one side of the expansion block 6 is abutted with the inner side surface of the shell, and the inner support ring 5 realizes the function of supporting the expansion block 6. The bottom of the binding tire membrane 4 is fixed at the top of the outer support ring 3 through a screw 13, one side of the binding tire membrane 4 is abutted with the outer side surface of the shell, and the outer support ring 3 realizes the function of supporting the binding tire membrane 4. The bottom of the positioning block 15 is fixed on the top surface of the bottom plate, the top surface of the positioning block 15 is abutted with the lower bottom surface of the shell, and the bottom plate 1 realizes the functions of supporting the whole right-angle flanging device and the positioning block 15. The hob 14 is fixed on a general lathe with the machining side of the hob 14 facing the housing. A fastening assembly extends outwardly from the hub and is secured to the inner support ring. The connection of the support column 2 and the bottom plate 1, the support column 2 and the inner support ring 5, the support column 2 and the outer support ring 3 and the like is realized by adopting screws.
The fastening assembly is mainly used for fixing the compression shell. The mandrel 12 is arranged at the axis of the right-angle flanging device, the inner cone 10 is sleeved on the outer layer of the mandrel 12, and the mandrel 12 is fixed with the inner cone 10 through the nut 11. The guide block 7 is fixed on the inner support ring 5, the pin 8 is horizontally fixed on one side of the guide block 7 facing the axis, one end of the spring 9 is sleeved on the periphery of the pin 8, and the other end of the spring 9 is abutted with the expansion block 6. Wherein, the guide block 7, the pin 8 and the screw 13 act together and transmit pressure to press the shell through the inner cone 10; the inner cone 10 and the nut 11 act together to realize the transmission of pressure; the mandrel 12 is used for centering the inner cone 10 and transmitting the pressure of the nut 11. The springs 9 are used to fine tune the pressure in all directions along the shaft and to secure the housing from all directions.
As shown in fig. 4, 5 and 6, the trimming membrane 4 is the core part of the device, the trimming membrane 4 being connected to the outer support ring 3 by screws 13. The profile size of the piping tire film 4 ensures the requirement of the shell flanging profile size, namely the fillet radius of the working cambered surface 401 of the piping tire film 4 is equal to the profile radius of the right-angle flanging of the shell.
The hob 14 is a core component of the device, the hob 14 is fixed on a corresponding device of a general lathe, pressure is applied to a sheet metal cylinder body through the roller 1402, and the right-angle flanging of the shell is completed. As shown in fig. 7, a tool rest 1401 is fixed to a general lathe, a roller 1402 is fixed to a rear end of the tool rest 1401 by a shaft 1403, the shaft 1403 is fixed to the tool rest 1401 by a cotter pin 1404, and a bearing 1405 is provided on an outer periphery of the shaft 1403.
As shown in FIG. 11, the contact surface 1406 of the roller and the shell is forced to move from the inner diameter direction to be attached to the H surface by the roller 1402 from the horizontal position, the included angle between the flange and the horizontal direction is 90 degrees, the flange forming is required to meet the requirement that the included angle between the part and the horizontal direction is 90 degrees, and the requirement that the flatness of the flange attached to the H surface is not more than 0.5mm after the flange is formed, so that the shell is pressed in the horizontal direction E and is simultaneously subjected to the axial force in the D direction, and therefore under the condition of a forming force, the force F can be decomposed into the force E, D by pressing the roller 1402, and the included angle between the central axis of the roller 1402 and the tire film end face H of the edge rolling tire film 4 is 45 degrees.
As shown in FIG. 3, the shell to be processed is cylindrical, and the thickness of the tire wall of the shell is about 1 mm. The shell is provided with an upper bottom surface and a lower bottom surface, and the upper bottom surface and the lower bottom surface are required to be processed with right-angle flanging.
Referring to fig. 10, the top surface of the positioning block 15 includes an axial positioning reference surface E and an axial positioning reference surface F having a horizontal height difference. The piping tire film 4 has a tire film end face H, and the flanging forming portion of the piping tire film is shown in fig. 10.
In some embodiments, the method of processing the right angle flange includes the steps of:
and S01, clamping the right-angle flanging device on a disc chuck of a general lathe.
Specifically, when the right-angle flanging device provided by the embodiment of the invention is used for processing a rolled flanging part (a whole-ring sheet metal inner shell), the right-angle flanging device is clamped on a disc chuck of a horizontal common lathe.
S02, the shell is placed into the right-angle flanging device, and the lower bottom surface of the shell is completely contacted with the axial positioning reference surface F of the positioning block 15.
Specifically, the housing is brought into full contact with the axial positioning reference surface F of the positioning block 15.
S03, pressing the inner side surface of the shell by using the expansion block 6, and knocking the upper bottom surface of the shell by using a tool to enable the lower bottom surface of the shell to be in full contact with the axial positioning reference surface F.
S04, horizontally arranging and fastening the hob 14 to a general lathe, and enabling the hob 14 to be in contact with the tire membrane end face H of the trimming tire membrane 4 and aligning.
S05, adjusting a longitudinal supporting plate of the general lathe to enable the distance between the hob 14 and the end face H of the tire membrane to meet the machining requirement.
Specifically, because the included angle between the central axis of the roller 1402 and the tire membrane end face H of the edging tire membrane 4 is 45 °, when the wall thickness of the housing is 1mm, the distance meeting the processing requirement is calculated according to the principle of a 45 ° isosceles right triangle, and is 1.42mm.
S06, driving the hob to feed from the inner side of the shell to the outer side through a general machine tool, and applying pressure to the outside to enable the shell to be completely attached to the tire membrane end face H of the edge rolling tire membrane.
Specifically, the hob 14 is fed from the inner side of the part to the outer side, and the transverse supporting plate applies pressure to enable the shell to be completely attached to the tire membrane end face H of the trimming tire membrane 4, so that the molded surface with the required size can be rolled.
S07, after the flanging of the upper bottom surface is completed, taking out the shell to completely contact the upper bottom surface with the axial positioning reference surface E of the trimming tire membrane.
Specifically, the height difference between the axial positioning reference surface E and the axial positioning reference surface F is the sum of the profile radius of the right-angle flanging of the shell and the wall thickness of the shell, and the upper bottom surface after flanging can be completely attached to the trimming tire film 4 through the height difference, so that the requirement of the total height (276+/-0.5) of the shell is met after the upper bottom surface and the lower bottom surface of the shell are flanged.
S08, repeating S03 to S06 until the flanging of the lower bottom surface is finished.
Specifically, after one end flanging is completed, the shell is taken out to completely contact the flanged end face with the axial positioning reference face E, and the other end flanging can be completed according to the same flanging method.
The universal lathe is adopted to match with a hob for rolling and flanging for forming, the radius of the flanging of the shell is determined by the radius of the round angle of the working cambered surface 401 of the edging tire film 4 (R size in fig. 3), the flatness of the end surface H of the tire film determines the flatness size of the end surface after flanging, when the size of the edging tire film 4 meets the design and manufacturing requirements, the rolling and flanging is applied with rolling force which is larger than the yield strength of the shell (the machined part), the shell is plastically deformed, and the shell is completely attached to the edging tire film 4 after flanging, so that the molded surface with the flatness of 0.5mm meeting the requirements can be obtained. The flatness of the right-angle flanging of the part rolled and flanged by the common lathe is improved from 0.8-4 mm before improvement to 0.3mm at maximum, and the flanging quality is greatly improved.
In some embodiments, the roller of the hob in the flanging device of the embodiment of the invention uses Cr12MoV cold-working die steel, cotter pins, bearings, springs, screws, pins and the like are all standard components, the rest parts are 45 # carbon steel materials (HRC 35-40), and the hob is processed according to fixed sizes.
The embodiment of the invention has the beneficial effects that:
the right-angle flanging device provided by the embodiment of the invention has the advantages of reasonable and concise structure, convenience in operation, labor and time saving and higher reliability, effectively solves the problem that the rebound quantity of the right-angle flanging of the sheet metal part shell is large and does not meet the size requirement, realizes that the same device adopts the two ends of the right-angle flanging with different height sizes for axial positioning, and solves the problem of planeness deformation of the right-angle flanging by adopting a rolling right-angle flanging structure with a bearing and a rolling right-angle flanging processing device of an ordinary lathe. The stability of sheet metal part shell part machining process is improved, the qualification rate and the machining efficiency of parts are improved, the production cost is greatly reduced, the benefit of companies is improved, and the sheet metal part shell part machining process has a high practical value.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment focuses on differences from other embodiments. In particular, for the method embodiments described later, since they correspond to the system, the description is relatively simple, and reference should be made to the description of some of the system embodiments.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. Right-angle flanging device suitable for general lathe, characterized by comprising:
a cylindrical housing to be processed, the housing having an upper bottom surface and a lower bottom surface;
the device comprises a bottom plate (1), support columns (2), an inner support ring (5) and an outer support ring (3), wherein the outer support ring (3) is arranged on the periphery of the inner support ring (5), and the inner support ring (5) and the outer support ring (3) are fixed on the bottom plate (1) through the support columns (2);
the device comprises an expansion block (6) and a binding tire membrane (4), wherein the bottom of the expansion block (6) is fixed at the top of an inner support ring (5), one side of the expansion block (6) is in butt joint with the inner side surface of the shell, the bottom of the binding tire membrane (4) is fixed at the top of an outer support ring (3), and one side of the binding tire membrane (4) is in butt joint with the outer side surface of the shell;
the positioning block (15) is fixed on the bottom plate (1), and the top surface of the positioning block (15) is abutted with the lower bottom surface of the shell;
a hob (14), the hob (14) being fixed on the general lathe, the machining side of the hob (14) facing the housing;
a fastening assembly extending outwardly from the shaft core and secured to the inner support ring (5).
2. The right-angle flanging device for a universal lathe according to claim 1, wherein the hob (14) comprises:
the lathe comprises a tool rest (1401), a roller (1402) and a shaft (1403), wherein the tool rest (1401) is fixed with the general lathe, and the roller (1402) is fixed at the tail end of the tool rest (1401) through the shaft (1403).
3. The right angle flanging device for a universal lathe according to claim 2, wherein the hob (14) further comprises:
a cotter pin (1404) and a bearing (1405), the shaft (1403) is fixed on the tool holder (1401) through the cotter pin (1404), and the bearing (1405) is arranged on the periphery of the shaft (1403).
4. A right-angle turning device for a universal lathe according to claim 1, characterized in that the angle between the centre axis of the roller (1402) and the end face H of the bead membrane (4) is 45 °.
5. The right-angle flanging device for a universal lathe according to claim 1, characterized in that the edging-up tire film (4) has a working cambered surface (401), the fillet radius of the working cambered surface (401) being equal to the profile radius of the right-angle flanging of the housing.
6. The right-angle flanging device for the universal lathe according to claim 1, wherein the right-angle flanging device for the universal lathe further comprises a screw (13), and the trimming tire film (4) is fixed on the upper part of the outer support ring (3) through the screw (13).
7. The right angle flanging device for a universal lathe as defined in claim 1, wherein the fastening assembly comprises:
the mandrel (12), the inner cone (10) and the nut (11) are arranged at the axle center of the right-angle flanging device, the inner cone (10) is sleeved on the outer layer of the mandrel (12), and the mandrel (12) is fixed with the inner cone (10) through the nut (11);
the guide block (7), the spring (9) and the pin (8), the guide block (7) is fixed on the inner supporting ring (5), the pin (8) is horizontally fixed on one side of the guide block (7) facing the axis, one end of the spring (9) is sleeved on the periphery of the pin (8), and the other end of the spring (9) is abutted to the expansion block (6).
8. The right-angle flanging device for a universal lathe according to claim 1, characterized in that the top surface of the positioning block (15) comprises an axial positioning reference plane E and an axial positioning reference plane F with a level difference, the level difference having a value equal to the sum of the profile radius of the right-angle flanging of the shell and the wall thickness of the shell.
9. A method for processing a right-angle flanging, which is applied to the right-angle flanging device suitable for the universal lathe according to any one of claims 1 to 8, and is characterized in that the method comprises the following steps:
clamping the right-angle flanging device on a disc chuck of the general lathe;
the shell is arranged in the right-angle flanging device, so that the lower bottom surface of the shell is in complete contact with an axial positioning reference surface F of a positioning block (15);
-compacting the inner side of the housing using a tensioning block (6);
the hob (14) is horizontally arranged and fastened to the general lathe, and the hob (14) is contacted with the tire membrane end face H of the trimming tire membrane (4) and is aligned;
adjusting a longitudinal supporting plate of the general lathe to enable the distance between the hob (14) and the end face H of the tire membrane to meet the processing requirement;
the hob (14) is driven by the universal machine tool to feed from the inner side of the shell to the outer side, and pressure is applied to the outer side so that the shell is completely attached to the tire membrane end face H of the trimming tire membrane (4);
after the flanging of the upper bottom surface is completed, taking out the shell to completely contact the upper bottom surface with an axial positioning reference surface E of the trimming tire film (4);
and (3) compacting the inner side surface of the shell by using an expanding block (6) and executing the subsequent steps until the flanging of the lower bottom surface is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310429700.1A CN116371993A (en) | 2023-04-20 | 2023-04-20 | Right-angle flanging device suitable for general lathe and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310429700.1A CN116371993A (en) | 2023-04-20 | 2023-04-20 | Right-angle flanging device suitable for general lathe and machining method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116371993A true CN116371993A (en) | 2023-07-04 |
Family
ID=86973262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310429700.1A Pending CN116371993A (en) | 2023-04-20 | 2023-04-20 | Right-angle flanging device suitable for general lathe and machining method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116371993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713495A (en) * | 2023-08-11 | 2023-09-08 | 四川仨川航空科技股份有限公司 | Be applied to aircraft undercarriage bearing pressure limit cutter |
-
2023
- 2023-04-20 CN CN202310429700.1A patent/CN116371993A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713495A (en) * | 2023-08-11 | 2023-09-08 | 四川仨川航空科技股份有限公司 | Be applied to aircraft undercarriage bearing pressure limit cutter |
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