CN202741657U - Core mold for forming band annular internal reinforcement rib revolving thin-wall part - Google Patents
Core mold for forming band annular internal reinforcement rib revolving thin-wall part Download PDFInfo
- Publication number
- CN202741657U CN202741657U CN 201220350479 CN201220350479U CN202741657U CN 202741657 U CN202741657 U CN 202741657U CN 201220350479 CN201220350479 CN 201220350479 CN 201220350479 U CN201220350479 U CN 201220350479U CN 202741657 U CN202741657 U CN 202741657U
- Authority
- CN
- China
- Prior art keywords
- basic mode
- main body
- mode main
- forming
- thin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model relates to a core mold for a forming band annular internal reinforcement rib revolving thin-wall part. A base mold comprises a base mold main body and a mold lifting end; dovetail grooves and positioning grooves are arranged on the base mold main body; and a forming mold is entirely in a circular ring structure, the forming mold is uniformly divided into a plurality of identical split molds, a split mold forming surface is provided with a forming arc-shaped groove for an annular internal reinforcement rib, and the split mold internal surface is provided with dovetail tenon heads for being matched with the dovetail grooves and the positioning grooves. According to the utility model, the problem of difficult demoulding during the forming of the internal reinforcement rib of the revolving thin-wall part is solved by using the compound core mold mode; the positioning grooves on the dovetail grooves of the base mold can prevent the moving of the forming mold, and the forming precision of the internal reinforcement rib of the revolving thin-wall part is improved; the base mold, the forming mold and a fixing pin of the core mold can be made of different metal materials according to the strength requirements thereof respectively; revolving thin-wall parts with same forming internal diameters and different shapes of internal reinforcement ribs can be produced by just changing the forming mold, and the mold cost is greatly reduced.
Description
Technical field
The utility model relates to the technology method of swaging shaping thin-wall revolving body spare, specifically the core of reinforcement thin-wall revolving body spare in a kind of forming belt annular.
Background technology
Along with the development of science and technology, the parts production of high-end technology equipment is more and more higher to the requirement of material forming.In Aero-Space and weapon industry field, the thin-wall revolving body Complex Parts is widely used in aero-engine cover, whole rocket engine member, artificial satellite etc., for improving working strength and the service life of thin-wall revolving body Complex Parts, usually wall a kind of ring stiffener that is shaped within it, the design of this reinforcement has improved the quality level of thin-wall revolving body Complex Parts greatly, yet, since the restriction of current former and technical conditions, the problem that when the reinforcement of the inside of this thin-wall revolving body Complex Parts that is shaped, exists shaping dies to be difficult to deviate from smoothly.Correlative study based on the forming technique of thin-wall revolving body spare inner wall shape, the at present invention of publication number CN1431061 has proposed a kind of thermal extrusion moulding method of inner thread sleeve, the method is inserted screwed core in the sleeve, prepare the internal thread of sleeve by the compression sleeve outside, the process velocity of this processing method is very fast, conservation, energy consumption is lower; The invention of publication number CN101284297 provides a kind of method and device of machining internal thread aluminum pipe, and the method is inserted screwed core print in the aluminum pipe equally, thereby processes continuously screw thread by rotary squeezing on the aluminum pipe inwall outside pipe; The invention of publication number CN101712062A has proposed a kind of processing unit (plant) that is grouped into by combined heave die, combined die and workpiece ejection part, internal helical gear or spiral involute spline have been produced, the advantage of this invention is greatly to have improved stock utilization and the production efficiency of original technique, and the life-span of its precision forming mold is long, and the product parts quality is high; Utility model patent CN2439344 provides a kind of Integral key cold extruding forming die, adopt the internal spline behind this die forming to show the characteristics such as cost is low, efficient is high, tooth intensity height, flank of tooth fineness height, but and the internal spline by this utility model processing blind hole; Utility model patent CN2460237 provides a kind of inside and outside circle helical gear cold warm extrusion forming die, realized with extrusion forming method processing inside and outside circle helical gear, utilize bearing arrangement to solve the motor coordination relation between the blank and punch in the forming process, it is simple in structure, reasonable in design, processing cost is low, and service life of gear is long; Utility model patent CN201020484 has proposed a kind of precision die of the deep hole internal spline that is shaped, and described mould mainly is comprised of upper combined heave die, spline core bar and lower combined die, utilizes punch that blank and core bar are pressed into the extrusion die internal spline that is shaped simultaneously; The invention of publication number CN101497099 has proposed a kind of spin forming mandrel with laterally interior reinforcement member, this invention major advantage is to design the transverse and longitudinal combination distinguish scheme that adopted, efficiently solve band laterally in reinforcement large thin-wall complex component be difficult to the deficiency of the demoulding in being shaped, make fast and efficiently requirement thereby satisfy member.
From above related invention, can find out, generally speaking the manufacturing process of the thin-wall revolving body spare of reinforcement has casting in the band annular, extruding and rotation forging and pressing (swaging and spinning) three kinds, and the part strength after wherein casting method is shaped is low, poor toughness, the scope of application is less; The forming speed of pressing method is fast, and productivity ratio is higher, but the component surface intensity of producing is lower, need the intensive treatment such as surface carburization, boronising, and the life-span of used shaping dies is lower; By contrast, not only forming speed is fast for the method for rotation forging and pressing, and the toughness requirement in the assurance member production process, the inner flow-line of formed parts distributes close with its exterior contour, thereby so that the shock resistance of member is better, comprehensive quality is high, therefore become reinforcement in the preparation band annular thin-wall revolving body spare mainly select process.The manufacturing process of the thin-wall revolving body spare of reinforcement all adopts core to finish the shaping of interior reinforcement in above-mentioned three kinds of band annulars, and for same internal diameter, the thin-wall revolving body spare of different interior reinforcement shapes need to be processed core during shaping again.
Yet during the thin-wall revolving body spare of reinforcement, the release problems at interior reinforcement place becomes the critical technological point that mainly runs in practical application rotation forging method forming strip annular; Therefore for the thin-wall revolving body spare of reinforcement in the band annular, how the easy demoulding becomes the current problem of needing solution badly.To sum up, characteristics based on the rotation forging method, the problem that the interior reinforcement that occurs in forming process for the thin-wall revolving body spare that solves reinforcement in the band annular is difficult to the demoulding, the present invention is based on the method for swaging and designed core and the manufacturing process of the thin-wall revolving body spare of reinforcement in the forming belt annular, satisfying the actual production requirement.
Summary of the invention
The technical problem that solves
Be to solve the problem that prior art exists, the utility model proposes the core of reinforcement thin-wall revolving body spare in a kind of forming belt annular, be used on the radial precision forging machine thin-wall revolving body spare of reinforcement in the forming belt annular.
Technical scheme
The technical solution of the utility model is:
The core of reinforcement thin-wall revolving body spare is characterized in that: comprise basic mode, shape mould and steady pin in described a kind of forming belt annular;
Basic mode is comprised of basic mode main body and withdrawing pattern end; The basic mode main body is cylinder, and the outer surface of basic mode main body has the dovetail groove of a plurality of perforations vertically, and dovetail groove circumferentially evenly distributes along the basic mode main body, and the bottom surface of dovetail groove is along the circumferential arc surface of basic mode main body; Have along the circumferential locating slot of basic mode main body on the dovetail groove one side channel wall, locating slot also is dove-tail form along basic mode main body cross sectional shape radially, and the locating slot groove depth is identical with the dovetail groove groove depth, and the locating slot bottom surface also is along the circumferential arc surface of basic mode main body; The withdrawing pattern end is the cylinder at basic mode main body two ends, and the withdrawing pattern end is coaxial with the basic mode main body;
Shape mould integral body is circular ring structure, and the shape mould is evenly divided into the identical minute mould of a plurality of shapes, and a minute mould is fan-shaped circular ring structure, and minute mould number is identical with the dovetail groove number; The axial length of single minute mould is identical with basic mode main body axial length; Dividing mould outside cambered surface is forming face, and the forming face diameter equals the internal diameter of thin-wall revolving body spare to be formed, has along the circumferential arc groove of forming face in forming face, and arc groove is used for the interior reinforcement of shaping annular; Divide the inboard cambered surface diameter of mould to equal the diameter of basic mode main body outer surface, be distributed with dovetail rabbet working in the inboard cambered surface of minute mould, the dovetail rabbet working position is corresponding with the locating slot position, the dovetail rabbet working number is identical with the locating slot number, cross sectional shape perpendicular to shape mold shaft line in the dovetail rabbet working is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove, and dovetail rabbet working is identical along basic mode main body cross sectional shape radially with locating slot along shape mould cross sectional shape radially;
Steady pin is the L-type structure, and the cross sectional shape of one end arm is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove.
The core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular, it is characterized in that: the basic mode main diameter is 70 ~ 85% of thin-wall revolving body spare internal diameter to be formed, basic mode main body axial length is 1.1 ~ 1.3 times of thin-wall revolving body spare axial length to be formed.
The core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular, it is characterized in that: the top width of dovetail groove is 10 ~ 15% of basic mode main diameter, the dovetail groove groove depth is 45 ~ 55% of dovetail groove top width.
The core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular, it is characterized in that: the top width of locating slot is 4 ~ 8% of basic mode main body axial length, the bottom land of locating slot is wide to be 1.176 ~ 1.364 times of groove top width, and the corresponding central angle in locating slot bottom surface is 13 ° ~ 23.4 °.
The core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular, it is characterized in that: withdrawing pattern end diameter is 50 ~ 65% of basic mode main diameter, axial length is 20 ~ 30% of basic mode main body axial length.
The core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular, it is characterized in that: shape mould thickness is 2 ~ 4 times of the arc groove degree of depth.
Beneficial effect
The utility model relates generally to the composite core formwork of the thin-wall revolving body spare of reinforcement in the forming belt annular in the technique of swaging, and has adopted the mode of composite core formwork to solve the problem of demoulding difficulty in the forming process of reinforcement in the thin-wall revolving body spare.Locating slot on the basic mode dovetail groove can effectively prevent the movement of shape mould, improves the forming accuracy of reinforcement in the thin-wall revolving body spare.The basic mode of core, shape mould and steady pin can adopt different metal material according to requirement of strength separately; Only need change the shape mould for the variform thin-wall revolving body spare of identical, the interior reinforcement of shaping internal diameter size and get final product, greatly reduce the cost of mould.
By above-mentioned steps, the problem that the thin-wall revolving body spare of the interior reinforcement of band annular is difficult to the demoulding just obtains understanding certainly, and guarantees after the drip molding demoulding that the profile quality is high, without additional deformation.In the rotary swaging process with the thin-wall revolving body spare of reinforcement in complicated, but adopt the utility model direct forming to go out interior reinforcement shape, that thin-wall revolving body spare internal material streamline after the shaping and interior reinforcement shape are bordering on is parallel, thereby has significantly improved thin-wall revolving body spare in radially intensity and shock resistance.The utility model can be applied in the commercial Application of the thin-wall revolving body spare of reinforcement in the above-mentioned band that is shaped, and has higher industrial application value.
Description of drawings
Fig. 1: the thin-wall revolving body spare schematic diagram of reinforcement in the band annular;
Fig. 2: basic mode schematic diagram;
Fig. 3: minute mould schematic diagram;
Fig. 4: minute mould cutaway view;
Fig. 5: steady pin schematic diagram;
Fig. 6: the assembling schematic diagram after the core assembling;
Fig. 7: the edge does not contain the cross-sectional view of the part of locating slot in the basic mode;
Fig. 8: the basic mode edge is with the axial, cross-sectional view at the position of locating slot;
Wherein: 1. the annular in reinforcement 2. basic mode main bodys 3. withdrawing pattern ends 4. dovetail grooves 5. locating slots 6. forming faces 7. arc grooves 8. dovetail rabbet workings 9. basic modes 10. shape moulds 11. steady pins.
The specific embodiment
Below in conjunction with specific embodiment the utility model is described:
Embodiment one:
Present embodiment is a kind of forming technology with the thin-wall revolving body spare of reinforcement in the annular, has mainly designed the core that is used for reinforcement thin-wall revolving body spare in the forming belt annular.
The thin-wall revolving body spare geometric shape of reinforcement as shown in Figure 1 in the described band annular to be formed of present embodiment, internal diameter 300mm, axial length 500mm, wall thickness 10mm, inwall has the interior reinforcement 1 of annular of three width 50mm, height 5mm vertically, apart from being 100mm, the interior reinforcement at two ends and the distance of thin-wall revolving body spare both ends of the surface are 75mm to each other.
The core of the above-mentioned thin-wall part of turning of shaping that present embodiment proposes comprises basic mode 9, shape mould 10 and steady pin 11.
Basic mode 9 material selection mould steel 4CrMnSiMoV are comprised of basic mode main body 2 and withdrawing pattern end 3 two parts.Basic mode main body 2 is cylinder, and diameter is 240mm, and axial length is 600mm.
The outer surface of basic mode main body 2 has the dovetail groove 4 of six perforations vertically, and as shown in Figure 7, dovetail groove circumferentially evenly distributes along the basic mode main body, and the angle between adjacent two dovetail grooves is 60 °.The top width of dovetail groove 4 is 30mm, the bottom surface of dovetail groove is along the circumferential arc surface of basic mode main body, the arc length of this arc surface is 26.31mm, the corresponding diameter of this arc surface is the poor of basic mode main diameter and 2 times of groove depths, be 210mm, the corresponding central angle of this arc surface is 14.36 ° simultaneously, and the dovetail groove groove depth is 15mm, and every dovetail groove 4 runs through the outer surface of basic mode main body 2 vertically.
A clockwise side of every dovetail groove 4 has three, and the distance between the adjacent positioned groove 5 is 130mm along the circumferential locating slot 5 of basic mode main body, and the locating slot 5 at two ends is respectively 80mm with the distance at basic mode main body 2 two ends.Locating slot also is dove-tail form along basic mode main body cross sectional shape radially, as shown in Figure 8.Locating slot groove top width is 60mm, and bottom land is wide to be 76.5mm, and groove depth is identical with the groove depth of dovetail groove 4, is 15mm; The locating slot bottom surface also is along the circumferential arc surface of basic mode main body, and the corresponding central angle of this arc surface is 13.5 °, and corresponding diameter is the poor of basic mode main diameter and 2 times of locating slot groove depths, i.e. 210mm.
As shown in Figure 2, withdrawing pattern end 3 is the cylinder at basic mode main body 2 two ends, and is coaxial with basic mode main body 2, and diameter is 144mm, and axial length is 150mm.
Such as Fig. 3, the inboard cambered surface diameter of minute mould equals the diameter of basic mode main body outer surface, is evenly distributed with three dovetail rabbet workings 8 along the shape mold shaft to direction in the inboard cambered surface of minute mould.The dovetail rabbet working position is corresponding with the locating slot position, cross sectional shape perpendicular to shape mold shaft line in the dovetail rabbet working is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove, and dovetail rabbet working is identical along basic mode main body cross sectional shape radially with locating slot along shape mould cross sectional shape radially.
Steady pin is the L-type structure, and steady pin has 2, and the cross sectional shape of one end arm is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove.After shape mould 10 was assembled on the basic mode 9, two steady pins were installed in respectively the two ends of one of them dovetail groove.
The manufacturing process of reinforcement thin-wall revolving body spare may further comprise the steps in the present embodiment forming belt annular:
Step 1: basic mode is fixed, then will be divided successively mould to be assembled to vertically in the dovetail groove on the basic mode, a minute mould is organized finishing die at basic mode; Fixing shape mould, and rotate in the counterclockwise direction basic mode makes dovetail rabbet working on the shape mould change in the locating slot on the basic mode and the location; Steady pin is inserted in the dovetail groove again, basic mode and shape mould are fixed, core is finished in assembling; In assembling process, the steady pin 11 that keeps a part of length is outside at core, so that the demoulding after forging.
Step 2: utilize the core of step 1 assembling, adopt reinforcement thin-wall revolving body spare in the swaging method processing belt annular;
Step 3: after reinforcement thin-wall revolving body spare machines in the band annular in the step 2, unload successively steady pin; Fixing shape mould then, and clockwise rotate basic mode, make the dovetail rabbet working on the shape mould produce locating slot, and enter in the dovetail groove; Clamp the withdrawing pattern end again, vertically basic mode is taken out, remaining shape mould takes off from drip molding, finishes knockout course.
After finishing the assembling process of above core, blank can be assembled on the core, utilize the radial precision forging machine further to forge, after forging process finishes, by above-mentioned knockout course, remove smoothly core, cut away the surplus at axial two ends, thereby obtain the thin-wall revolving body spare member of the interior reinforcement of band annular of the physical dimension that requires.Whole process is simple and feasible, and the component forming surface quality is high, in the annular reinforcement organize streamline good, can Effective Raise component forming quality and production efficiency.
Embodiment two:
Present embodiment is a kind of forming technology with the thin-wall revolving body spare of reinforcement in the annular, has mainly designed the core that is used for reinforcement thin-wall revolving body spare in the forming belt annular.
The thin-wall revolving body spare geometric shape of reinforcement is in the described band annular to be formed of present embodiment: internal diameter 100mm, axial length 200mm, wall thickness 5mm, inwall has the interior reinforcement of annular of three width 20mm, height 3mm vertically, apart from being 40mm, the interior reinforcement at two ends and the distance of thin-wall revolving body spare both ends of the surface are 30mm to each other.
The core of the above-mentioned thin-wall part of turning of shaping that present embodiment proposes comprises basic mode 9, shape mould 10 and steady pin 11.
Basic mode 9 material selection mould steel 4CrMnSiMoV are comprised of basic mode main body 2 and withdrawing pattern end 3 two parts.Basic mode main body 2 is cylinder, and diameter is 80mm, and axial length is 240mm.
The outer surface of basic mode main body 2 has the dovetail groove 4 of six perforations vertically, and dovetail groove circumferentially evenly distributes along the basic mode main body, and the angle between adjacent two dovetail grooves is 60 °.The top width of dovetail groove 4 is 10mm, the bottom surface of dovetail groove is along the circumferential arc surface of basic mode main body, the arc length of this arc surface is 8.77mm, the corresponding diameter of this arc surface is the poor of basic mode main diameter and 2 times of groove depths, be 70mm, the corresponding central angle of this arc surface is 14.36 ° simultaneously, and the dovetail groove groove depth is 5mm, and every dovetail groove 4 runs through the outer surface of basic mode main body 2 vertically.
A clockwise side of every dovetail groove 4 has three, and the distance between the adjacent positioned groove 5 is 45mm along the circumferential locating slot 5 of basic mode main body, and the locating slot 5 at two ends is respectively 45mm with the distance at basic mode main body 2 two ends.Locating slot also is dove-tail form along basic mode main body cross sectional shape radially, and locating slot groove top width is 20mm, and bottom land is wide to be 25.5mm, and groove depth is identical with the groove depth of dovetail groove 4, is 5mm; The locating slot bottom surface also is along the circumferential arc surface of basic mode main body, and the corresponding central angle of this arc surface is 13.5 °, and corresponding diameter is the poor of basic mode main diameter and 2 times of locating slot groove depths, i.e. 70mm.
As shown in Figure 2, withdrawing pattern end 3 is the cylinder at basic mode main body 2 two ends, and is coaxial with basic mode main body 2.Withdrawing pattern end diameter is 48mm, and axial length is 60mm.
Shape mould 10 integral body are circular ring structure, and the shape mould is evenly divided into six minute moulds that shape is identical, and a minute mould is fan-shaped circular ring structure.The axial length of single minute mould is identical with basic mode main body axial length, is 240mm, and the contact-making surface of adjacent two minutes moulds is the inclined plane with drafting angle.Divide mould to be comprised of forming face 6, arc groove 7 and location tenon 8, the thickness of minute mould is 10mm.Dividing mould outside cambered surface is forming face 6, and the forming face diameter equals the internal diameter of thin-wall revolving body spare to be formed, is 100mm, and axial length equals the axial length 240mm of minute mould.Have along the circumferential arc groove 7 of forming face in forming face, arc groove is used for reinforcement in the shaping annular, so the arc groove cross sectional shape is identical with the cross sectional shape of the interior reinforcement of annular of thin-wall revolving body spare to be formed, the arc groove groove width is all 20mm mutually with the interior reinforcement width of the annular of thin-wall revolving body spare to be formed, and groove depth is all 3mm mutually with the radial height of the interior reinforcement of annular of thin-wall revolving body spare to be formed.Arc groove 7 along the axial spacing of minute moulds for the annular of thin-wall revolving body spare to be formed in the axial spacing of reinforcement be all mutually 40mm, the arc groove 7 at two ends is 30mm with the distance of minute mould both ends of the surface.
The diameter that divides the inboard cambered surface diameter of mould to equal basic mode main body outer surface is evenly distributed with three dovetail rabbet workings 8 in the inboard cambered surface of minute mould along the shape mold shaft to direction.The dovetail rabbet working position is corresponding with the locating slot position, cross sectional shape perpendicular to shape mold shaft line in the dovetail rabbet working is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove, and dovetail rabbet working is identical along basic mode main body cross sectional shape radially with locating slot along shape mould cross sectional shape radially.
Steady pin is the L-type structure, and steady pin has 2, and the cross sectional shape of one end arm is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove.After shape mould 10 was assembled on the basic mode 9, two steady pins were installed in respectively the two ends of one of them dovetail groove.
The manufacturing process of reinforcement thin-wall revolving body spare may further comprise the steps in the present embodiment forming belt annular:
Step 1: basic mode is fixed, then will be divided successively mould to be assembled to vertically in the dovetail groove on the basic mode, a minute mould is organized finishing die at basic mode; Fixing shape mould, and rotate in the counterclockwise direction basic mode makes dovetail rabbet working on the shape mould change in the locating slot on the basic mode and the location; Steady pin is inserted in the dovetail groove again, basic mode and shape mould are fixed, core is finished in assembling; In assembling process, the steady pin 11 that keeps a part of length is outside at core, so that the demoulding after forging.
Step 2: utilize the core of step 1 assembling, adopt reinforcement thin-wall revolving body spare in the swaging method processing belt annular;
Step 3: after reinforcement thin-wall revolving body spare machines in the band annular in the step 2, unload successively steady pin; Fixing shape mould then, and clockwise rotate basic mode, make the dovetail rabbet working on the shape mould produce locating slot, and enter in the dovetail groove; Clamp the withdrawing pattern end again, vertically basic mode is taken out, remaining shape mould takes off from drip molding, finishes knockout course.
After finishing the assembling process of above core, blank can be assembled on the core, utilize the radial precision forging machine further to forge, after forging process finishes, by above-mentioned knockout course, remove smoothly core, cut away the surplus at axial two ends, thereby obtain the thin-wall revolving body spare member of the interior reinforcement of band annular of the physical dimension that requires.Whole process is simple and feasible, and the component forming surface quality is high, in the annular reinforcement organize streamline good, can Effective Raise component forming quality and production efficiency.
Claims (6)
1. the core of the interior reinforcement thin-wall revolving body spare of forming belt annular is characterized in that: comprise basic mode, shape mould and steady pin;
Basic mode is comprised of basic mode main body and withdrawing pattern end; The basic mode main body is cylinder, and the outer surface of basic mode main body has the dovetail groove of a plurality of perforations vertically, and dovetail groove circumferentially evenly distributes along the basic mode main body, and the bottom surface of dovetail groove is along the circumferential arc surface of basic mode main body; Have along the circumferential locating slot of basic mode main body on the dovetail groove one side channel wall, locating slot also is dove-tail form along basic mode main body cross sectional shape radially, and the locating slot groove depth is identical with the dovetail groove groove depth, and the locating slot bottom surface also is along the circumferential arc surface of basic mode main body; The withdrawing pattern end is the cylinder at basic mode main body two ends, and the withdrawing pattern end is coaxial with the basic mode main body;
Shape mould integral body is circular ring structure, and the shape mould is evenly divided into the identical minute mould of a plurality of shapes, and a minute mould is fan-shaped circular ring structure, and minute mould number is identical with the dovetail groove number; The axial length of single minute mould is identical with basic mode main body axial length; Dividing mould outside cambered surface is forming face, and the forming face diameter equals the internal diameter of thin-wall revolving body spare to be formed, has along the circumferential arc groove of forming face in forming face, and arc groove is used for the interior reinforcement of shaping annular; Divide the inboard cambered surface diameter of mould to equal the diameter of basic mode main body outer surface, be distributed with dovetail rabbet working in the inboard cambered surface of minute mould, the dovetail rabbet working position is corresponding with the locating slot position, the dovetail rabbet working number is identical with the locating slot number, cross sectional shape perpendicular to shape mold shaft line in the dovetail rabbet working is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove, and dovetail rabbet working is identical along basic mode main body cross sectional shape radially with locating slot along shape mould cross sectional shape radially;
Steady pin is the L-type structure, and the cross sectional shape of one end arm is identical perpendicular to the cross sectional shape of basic mode main body axis with dovetail groove.
2. the core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular according to claim 1, it is characterized in that: the basic mode main diameter is 70 ~ 85% of thin-wall revolving body spare internal diameter to be formed, and basic mode main body axial length is 1.1 ~ 1.3 times of thin-wall revolving body spare axial length to be formed.
3. the core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular according to claim 1 and 2, it is characterized in that: the top width of dovetail groove is 10 ~ 15% of basic mode main diameter, the dovetail groove groove depth is 45 ~ 55% of dovetail groove top width.
4. the core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular according to claim 3, it is characterized in that: the top width of locating slot is 4 ~ 8% of basic mode main body axial length, the bottom land of locating slot is wide to be 1.176 ~ 1.364 times of groove top width, and the corresponding central angle in locating slot bottom surface is 13 ° ~ 23.4 °.
5. the core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular according to claim 4, it is characterized in that: withdrawing pattern end diameter is 50 ~ 65% of basic mode main diameter, axial length is 20 ~ 30% of basic mode main body axial length.
6. the core of reinforcement thin-wall revolving body spare in described a kind of forming belt annular according to claim 5, it is characterized in that: shape mould thickness is 2 ~ 4 times of the arc groove degree of depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350479 CN202741657U (en) | 2012-07-19 | 2012-07-19 | Core mold for forming band annular internal reinforcement rib revolving thin-wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350479 CN202741657U (en) | 2012-07-19 | 2012-07-19 | Core mold for forming band annular internal reinforcement rib revolving thin-wall part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202741657U true CN202741657U (en) | 2013-02-20 |
Family
ID=47701105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350479 Withdrawn - After Issue CN202741657U (en) | 2012-07-19 | 2012-07-19 | Core mold for forming band annular internal reinforcement rib revolving thin-wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202741657U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764841A (en) * | 2012-07-19 | 2012-11-07 | 西北工业大学 | Core mold and shaping method for shaping strip annular internal reinforced rib rotary body thin-wall part |
| CN105599316A (en) * | 2015-12-30 | 2016-05-25 | 湖北三江航天红阳机电有限公司 | Detachable winding mandrel |
| CN106001365A (en) * | 2016-07-28 | 2016-10-12 | 江苏太平洋精锻科技股份有限公司 | Molding mold for second radial inner ring of thin-walled cylinder inner wall |
| CN106180507A (en) * | 2016-07-28 | 2016-12-07 | 江苏太平洋精锻科技股份有限公司 | Thin wall cylinder inwall second radially inner ring forming technology |
| CN109396262A (en) * | 2018-10-12 | 2019-03-01 | 西北工业大学 | One kind is for rib spinning core die and release method in band spiral |
-
2012
- 2012-07-19 CN CN 201220350479 patent/CN202741657U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764841A (en) * | 2012-07-19 | 2012-11-07 | 西北工业大学 | Core mold and shaping method for shaping strip annular internal reinforced rib rotary body thin-wall part |
| CN102764841B (en) * | 2012-07-19 | 2014-05-14 | 西北工业大学 | Core mold and shaping method for shaping strip annular internal reinforced rib rotary body thin-wall part |
| CN105599316A (en) * | 2015-12-30 | 2016-05-25 | 湖北三江航天红阳机电有限公司 | Detachable winding mandrel |
| CN106001365A (en) * | 2016-07-28 | 2016-10-12 | 江苏太平洋精锻科技股份有限公司 | Molding mold for second radial inner ring of thin-walled cylinder inner wall |
| CN106180507A (en) * | 2016-07-28 | 2016-12-07 | 江苏太平洋精锻科技股份有限公司 | Thin wall cylinder inwall second radially inner ring forming technology |
| CN106001365B (en) * | 2016-07-28 | 2018-03-06 | 江苏太平洋精锻科技股份有限公司 | Thin wall cylinder inwall second radially inner ring finishing die |
| CN109396262A (en) * | 2018-10-12 | 2019-03-01 | 西北工业大学 | One kind is for rib spinning core die and release method in band spiral |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102764841B (en) | Core mold and shaping method for shaping strip annular internal reinforced rib rotary body thin-wall part | |
| CN202741657U (en) | Core mold for forming band annular internal reinforcement rib revolving thin-wall part | |
| CN102489960B (en) | Method for manufacturing harmonic reducer of robot | |
| CN108161347B (en) | Spinning forming method for cylindrical part with annular inward reinforcing ribs | |
| CN201848593U (en) | Cemented carbide internal spline molding broach | |
| CN105107915A (en) | Technological method for precise spinning forming of large magnesium alloy thin-walled cylindrical part | |
| CN102974676B (en) | Method for pressing conical cover reinforcing ribs | |
| CN108372223B (en) | Spinning forming method of thin-wall curved bus-shaped part | |
| CN103934638A (en) | Precision external spline pipe forming method | |
| CN101332489B (en) | Cold-forging precise forming technique of gear sleeve | |
| CN103157758A (en) | Precision forging plastic forming process for inner gear ring in planetary reducer | |
| CN102266888A (en) | Ball spinning forming fixture device and reverse ball spinning forming method thereof | |
| CN103624129A (en) | Spinning forming new technology of shell part with inner and outer teeth | |
| CN102527900A (en) | Precision forging die of gear shaft and molding method of precision forging die | |
| CN106825378B (en) | A kind of H-type thin-walled diskware low load continuous and local incremental forming device and method | |
| CN105344830B (en) | Casing die for spinning barrel-shaped elements and use method thereof | |
| CN103706754A (en) | Precision forging plastic molding process for internal toothed rings of planetary speed reducers | |
| CN107876679B (en) | Conductive copper bar forming method and die | |
| CN108607946A (en) | A kind of big specification straight bevel gear study on precision forging technology | |
| CN103817164A (en) | Hot extrusion mold for porous thin-walled aluminum-alloy tube | |
| CN109623299A (en) | A kind of method of spinning manufacture tooth form | |
| CN102284613B (en) | Mandrel for spinning piece with transverse inner rib and backward moving demolding method of mandrel | |
| CN205851754U (en) | The screw thread of worm screw extruded lathe roll die in a kind of automobile steering system | |
| CN114769454A (en) | Flexible gear and strengthening and toughening cold machining method thereof | |
| CN201161255Y (en) | Mould for internal thread steel tube for manufacturing high pressure boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20140514 |
|
| RGAV | Abandon patent right to avoid regrant |