CN105710223A - Molding die used for manufacturing cross-shaped screws in titanium alloy concave cavity - Google Patents
Molding die used for manufacturing cross-shaped screws in titanium alloy concave cavity Download PDFInfo
- Publication number
- CN105710223A CN105710223A CN201610274267.9A CN201610274267A CN105710223A CN 105710223 A CN105710223 A CN 105710223A CN 201610274267 A CN201610274267 A CN 201610274267A CN 105710223 A CN105710223 A CN 105710223A
- Authority
- CN
- China
- Prior art keywords
- staking punch
- punching head
- shoulder hole
- titanium alloy
- head body
- 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.)
- Pending
Links
Classifications
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention discloses a molding die used for manufacturing cross-shaped screws in a titanium alloy concave cavity. The molding die comprises a lower die body and an upper die body which are matched, a step hole is formed in a manner of penetrating the upper surface and the lower surface of the lower die body, and a punching head is arranged at the position, opposite to the lower die body, on the lower surface of the upper die body; the punching head comprises a punching head body a which is in a regular hexagonal prism shape, a punching head body b is fixedly connected to the free end of the punching head body a, a punching head body c is fixedly connected to the free end of the punching head body b, and the punching head body b and the punching head body c are both in shapes of big-end-up circular truncated cones; and the punching head body a, the punching head body b and the punching head body c are coaxially arranged, punching head bodies d are further fixedly connected to the free end of the punching head body b, the four punching head bodies d are symmetrically arranged in a cross shape with the axis of the punching head body c as the center. According to the molding die, a titanium alloy workblank bar is subject to upsetting through the punching head, so that a head hexagon, the step hole and a cross-shaped wintersweet groove are molded at a time, the concentricity of the step hole and the cross-shaped wintersweet groove is guaranteed, and the working efficiency is improved; and in addition, in the machining process, chippings are not generated, and raw materials are saved.
Description
Technical field
The invention belongs to Stamping Die Technology field, be specifically related to a kind of mould for manufacturing titanium alloy depression inner cross screw.
Background technology
Titanium alloy fastener is parts the most frequently used in modern aerospace field, and compared with steel part, titanium alloy fastener has that proportion is little, specific strength is high and the advantage of good corrosion resistance.At present, titanium alloy fastener many employings turning and Milling Process, and turning and Milling Process had both wasted raw material, efficiency is also very low, and the shaped piece of some bar portion and leading edge deformation large percentage also is difficult to adopt the method for turning and milling to be processed manufacturing, or produced product quality is not good.Such as titanium alloy depression inner cross screw, being with a titanium alloy slightly rod first headstock portion cylindrical, milling six side in prior art, then car stepped hole, rush cross Flos Mume groove, so raw-material waste is very big, costly, and efficiency is low, stepped hole is easily eccentric, quality is unstable.
Summary of the invention
It is an object of the invention to provide a kind of mould for manufacturing titanium alloy depression inner cross screw, solve prior art adopts the method machining titanium alloy depression inner cross screw material of turning and milling to waste problem big, ineffective.
The technical solution adopted in the present invention is: for manufacturing the mould of titanium alloy depression inner cross screw, including the counterdie cooperated and upper mould, the upper and lower surface of through counterdie is provided with shoulder hole, the lower surface that upper mould is relative with counterdie is connected with fixing plate, and the lower surface of fixing plate is connected with staking punch；Staking punch includes the staking punch f being fixed in fixing plate lower surface, the affixed staking punch e of free end of staking punch f, the affixed staking punch a of free end of staking punch e, the affixed staking punch b of free end of staking punch a, the affixed staking punch c of free end of staking punch b, fixing plate, staking punch f, staking punch b and staking punch c are up big and down small round table-like, and staking punch e is cylindrical shape, staking punch a is positive hexa-prism, and fixing plate, staking punch f, staking punch e, staking punch a, staking punch b and staking punch c are all coaxially disposed；The free end of staking punch b is also connected with staking punch d, staking punch d and arranges four altogether, and four staking punch d are arranged in cruciform symmetry centered by the axis of staking punch c；Shoulder hole includes the first shoulder hole being arranged on counterdie lower surface and the second shoulder hole being arranged on counterdie upper surface；First shoulder hole and the second shoulder hole are connected, and the cross section of the second shoulder hole is regular hexagon, and the circumscribed circle of the second shoulder hole cross section is directly more than the aperture of the first shoulder hole；It is provided with plug in first shoulder hole.
The feature of the present invention also resides in:
The circumscribed circle of the second shoulder hole cross section is directly equal with the external diameter of staking punch a.
Staking punch is arranged on the center position of mould lower surface, and shoulder hole is arranged on the center position of counterdie.
Staking punch a, staking punch b, staking punch c, staking punch d, staking punch e, staking punch f are materials is M2The staking punch of high-speed steel.
The invention has the beneficial effects as follows: adopt the mould machining titanium alloy depression inner cross screw of the present invention, by counterdie and upper mould with the use of, utilize staking punch that titanium alloy blank bar is carried out pier system, make head six side, stepped hole and cross Flos Mume groove one-shot forming, ensure that stepped hole and the concentricity of cross Flos Mume groove, substantially increase work efficiency；And the course of processing does not produce chip, effectively saves raw material.
Accompanying drawing explanation
Fig. 1 is that the present invention is for manufacturing the structural representation of the mould of titanium alloy depression inner cross screw；
Fig. 2 is the product schematic diagram of the mould punching one-tenth utilizing the present invention for manufacturing titanium alloy depression inner cross screw；
Fig. 3 is the left view of Fig. 2.
In figure, 1. counterdie, 2. go up mould, 3. the first shoulder hole, 4. the second shoulder hole, 5. staking punch a, 6. staking punch b, 7. staking punch c, 8. staking punch d, 9. staking punch e, 10. staking punch f, 11. fixing plates, 12. depression inner cross screws.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
The present invention is for manufacturing the mould of titanium alloy depression inner cross screw, as shown in Figure 1, including the counterdie 1 cooperated and upper mould 2, the center position of through counterdie 1 upper and lower surface is provided with shoulder hole, the center position of the lower surface that upper mould 2 is relative with counterdie 1 is connected with fixing plate 11, and the center position of fixing plate 11 lower surface is connected with staking punch；Staking punch includes the staking punch f10 being fixed in fixing plate 11 lower surface center position, the affixed staking punch e9 of free end of staking punch f10, the affixed staking punch a5 of free end of staking punch e9, the affixed staking punch b6 of free end of staking punch a5, the affixed staking punch c7 of free end of staking punch b6, fixing plate 11, staking punch f10, staking punch b6 and staking punch c7 are up big and down small round table-like, staking punch e9 is cylindrical shape, staking punch a5 is positive hexa-prism, and fixing plate 11, staking punch f10, staking punch e9, staking punch a5, staking punch b6 and staking punch c7 are all coaxially disposed；The free end of staking punch b6 is also connected with staking punch d8, staking punch d8 and arranges four altogether, and four staking punch d8 are arranged in cruciform symmetry centered by the axis of staking punch c7；Staking punch a5, staking punch b6, staking punch c7 and four staking punch d8 are affixed as a whole.Shoulder hole includes the first shoulder hole 3 being arranged on counterdie 1 lower surface and the second shoulder hole 4 being arranged on counterdie 1 upper surface；First shoulder hole 3 and the second shoulder hole 4 are connected, and the cross section of the second shoulder hole 4 is regular hexagon, and the circumscribed circle of the second shoulder hole 4 cross section is directly more than the aperture of the first shoulder hole 3.The circumscribed circle of the second shoulder hole 4 cross section is directly equal with the external diameter of staking punch a5.It is provided with plug in first shoulder hole 3.Staking punch a5, staking punch b6, staking punch c7, staking punch d8, staking punch e9, staking punch f10 material be M2High-speed steel.
During work, first upper mould 2 is preheated with counterdie 1, then put in the shoulder hole of counterdie 1 after titanium alloy blank bar being heated, finally make mould 2 vertical downward movement, utilize staking punch to bring it about plastic deformation punching to titanium alloy blank bar applying pressure and go out finished product as shown in Figure 2 and Figure 3.The first shoulder hole 3 is utilized to form the bar portion of depression inner cross screw 12, the second shoulder hole 4 and staking punch a5 is utilized to form the head of depression inner cross screw 12, utilize staking punch b6 and staking punch c7 to form the stepped hole of depression inner cross screw 12 head, utilize staking punch d8 to form the cross Flos Mume groove of depression inner cross screw 12 head.Staking punch e9 and staking punch f10 arranges the bulk strength that can increase staking punch.When lathe resets, by the plug pushing-off product in the first shoulder hole 3.
Claims (4)
1. for manufacturing the mould of titanium alloy depression inner cross screw, it is characterized in that, including the counterdie (1) cooperated and upper mould (2), the upper and lower surface of through counterdie (1) is provided with shoulder hole, the lower surface that upper mould (2) is relative with counterdie (1) is connected with fixing plate (11), and the lower surface of fixing plate (11) is connected with staking punch；Described staking punch includes the staking punch f (10) being fixed in fixing plate (11) lower surface, the affixed staking punch e (9) of free end of staking punch f (10), the affixed staking punch a (5) of free end of staking punch e (9), the affixed staking punch b (6) of free end of staking punch a (5), the affixed staking punch c (7) of free end of staking punch b (6), fixing plate (11), staking punch f (10), staking punch b (6) and staking punch c (7) are up big and down small round table-like, staking punch e (9) is cylindrical shape, staking punch a (5) is positive hexa-prism, fixing plate (11), staking punch f (10), staking punch e (9), staking punch a (5), staking punch b (6) and staking punch c (7) is all coaxially disposed；The free end of staking punch b (6) is also connected with staking punch d (8), staking punch d (8) and arranges four altogether, and four staking punch d (8) are arranged in cruciform symmetry centered by the axis of staking punch c (7)；Described shoulder hole includes the first shoulder hole (3) being arranged on counterdie (1) lower surface and the second shoulder hole (4) being arranged on counterdie (1) upper surface；First shoulder hole (3) and the second shoulder hole (4) are connected, the cross section of the second shoulder hole (4) is regular hexagon, and the circumscribed circle of the second shoulder hole (4) cross section is directly more than the aperture of the first shoulder hole (3)；It is provided with plug in described first shoulder hole (3).
2. the mould for manufacturing titanium alloy depression inner cross screw according to claim 1, it is characterised in that the circumscribed circle of described second shoulder hole (4) cross section is directly equal with the external diameter of staking punch a (5).
3. the mould for manufacturing titanium alloy depression inner cross screw according to claim 1 and 2, it is characterized in that, described staking punch is arranged on the center position of mould (2) lower surface, and described shoulder hole is arranged on the center position of counterdie (1).
4. the mould for manufacturing titanium alloy depression inner cross screw according to claim 1 and 2, it is characterized in that, described staking punch a (5), staking punch b (6), staking punch c (7), staking punch d (8), staking punch e (9), staking punch f (10) are materials is M2The staking punch of high-speed steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610274267.9A CN105710223A (en) | 2016-04-28 | 2016-04-28 | Molding die used for manufacturing cross-shaped screws in titanium alloy concave cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610274267.9A CN105710223A (en) | 2016-04-28 | 2016-04-28 | Molding die used for manufacturing cross-shaped screws in titanium alloy concave cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105710223A true CN105710223A (en) | 2016-06-29 |
Family
ID=56162578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610274267.9A Pending CN105710223A (en) | 2016-04-28 | 2016-04-28 | Molding die used for manufacturing cross-shaped screws in titanium alloy concave cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105710223A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3898706A (en) * | 1972-11-21 | 1975-08-12 | Utility Products Pty Ltd | Method of forming a recess in a fastening element head |
| US3972083A (en) * | 1971-10-31 | 1976-08-03 | P.L. Robertson Manufacturing Co. Ltd. | Punch for making recessed screw |
| CN201253670Y (en) * | 2008-08-29 | 2009-06-10 | 上海标准件模具厂 | Cross slot, horizontal slot composite hexagon punch needle mould |
| CN202667418U (en) * | 2012-05-14 | 2013-01-16 | 宝鸡特钢钛业有限责任公司 | Blank forming die of titanium alloy half-thread bolt |
| CN105414383A (en) * | 2014-09-19 | 2016-03-23 | 扬州恒德模具有限公司 | Stamping die |
-
2016
- 2016-04-28 CN CN201610274267.9A patent/CN105710223A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972083A (en) * | 1971-10-31 | 1976-08-03 | P.L. Robertson Manufacturing Co. Ltd. | Punch for making recessed screw |
| US3898706A (en) * | 1972-11-21 | 1975-08-12 | Utility Products Pty Ltd | Method of forming a recess in a fastening element head |
| CN201253670Y (en) * | 2008-08-29 | 2009-06-10 | 上海标准件模具厂 | Cross slot, horizontal slot composite hexagon punch needle mould |
| CN202667418U (en) * | 2012-05-14 | 2013-01-16 | 宝鸡特钢钛业有限责任公司 | Blank forming die of titanium alloy half-thread bolt |
| CN105414383A (en) * | 2014-09-19 | 2016-03-23 | 扬州恒德模具有限公司 | Stamping die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203900355U (en) | Combined die for precise forging production of camshaft gear blanks | |
| CN203390144U (en) | Bolt upsetting mould | |
| CN103240359B (en) | Near-net forming method of high-strength internal hexagon bored bolt | |
| CN101927296A (en) | Hexagon bolt head one-time forming mold | |
| CN205629268U (en) | A titanium alloy word counter nut forming die | |
| CN103252409B (en) | Near-net forming die for high-strength internal hexagonal through-hole bolt | |
| CN105710223A (en) | Molding die used for manufacturing cross-shaped screws in titanium alloy concave cavity | |
| CN205660053U (en) | Cross screw forming die in titanium alloy depression | |
| CN104368735B (en) | Frock for heavy mine car hub for vehicle wheel blank forging | |
| CN206199995U (en) | A kind of flange shaping mould for punch process | |
| CN201711431U (en) | Hexagonal bolt head one-step molding mold | |
| CN205629055U (en) | Titanium alloy slotted nut forming die | |
| CN208613499U (en) | A kind of stamping die of vapour mark screw mold | |
| CN205599842U (en) | Titanium alloy flange nut forming die | |
| CN212495122U (en) | Pre-forging die | |
| CN204638848U (en) | A kind of high accuracy blanking die | |
| CN208131898U (en) | The fine forging forming die of direction machine bolt | |
| CN209935791U (en) | All-in-one wheel hub forging die | |
| CN207238910U (en) | A kind of outer-hexagonal nut molding die | |
| CN203380310U (en) | Flange shaft and finish forging die thereof | |
| CN206981441U (en) | A kind of bearing (ball) cover extrusion die | |
| CN205599789U (en) | A titanium alloy word countersink bolt forming die | |
| CN203409070U (en) | Precision cutting mold of plate hub | |
| CN205599841U (en) | Hexagonal screw forming die in titanium alloy | |
| CN205599861U (en) | Titanium alloy car nut forming die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
|
| RJ01 | Rejection of invention patent application after publication |