CN105436316B - A kind of finishing mold with top compression device - Google Patents
A kind of finishing mold with top compression device Download PDFInfo
- Publication number
- CN105436316B CN105436316B CN201510961905.XA CN201510961905A CN105436316B CN 105436316 B CN105436316 B CN 105436316B CN 201510961905 A CN201510961905 A CN 201510961905A CN 105436316 B CN105436316 B CN 105436316B
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- workpiece
- plate
- finishing
- upper mould
- compression device
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Classifications
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of finishing mold with top compression device, including finishing mold and top compression device；Finishing mold includes lower template, guide pillar, cope plate, die shoe, finishing cavity plate, punch-pin, punch case, upper mould and is oriented to upper plate, upper mould lead and upper mould guiding bottom plate；Top compression device includes hydraulic mechanism and workpiece pullover；The hydraulic mechanism includes hydraulic cylinder and piston rod；Piston rod and the workpiece pullover is connected by shaft coupling；Hydraulic mechanism is oriented to upper plate by bolt and upper mould and is connected.The cup component of rod category that the present invention is produced for traditional cold finishing mold, it is possible that the defect raised up at the top of workpiece lumen, in order to solve this problem, devise a kind of new finishing mold, increase a top compression device simultaneously, to applying pressure at the top of workpiece, change the stress of workpiece, so as to eliminate top defect.
Description
Technical field
The invention belongs to cold-finishing technical field of mold, more particularly to a kind of finishing mold with top compression device.
Background technology
Cold-finishing mould is widely used in the finishing of all kinds of forging blanks, and the design of cold-finishing mould is to cold extrusion
It is extremely important for shaping, therefore, for structure of the workpiece in finishing and process characteristic, with reference to actual equipment
The material of situation, correct design cold-finishing mould and rational selection cold-finishing mould, improves the bearing capacity and work of mould
The forming quality of part, is very important.
It is possible that what is raised up lacks at the top of the cup component of rod category produced using traditional cold finishing mold, workpiece lumen
Fall into, in order to solve this problem, devise a kind of new finishing mold, while increasing a top compression device, to workpiece top
Portion applies pressure, changes the stress of workpiece, so as to eliminate top defect.
The content of the invention
Present invention is generally directed to the inner cavity top bump defects problem that cup component of rod category occurs during cold-finishing, propose
A kind of finishing mold with top compression device, the mould reliability is high, and productive temp is stable, and component shaping quality is good.
The present invention is to realize above-mentioned technical purpose by following technological means：
A kind of finishing mold with top compression device, including finishing mold and top compression device；
Finishing mold includes lower template, guide pillar, cope plate, die shoe, finishing cavity plate, punch-pin, punch case, upper mould and is oriented to
Plate, upper mould lead and upper mould are oriented to bottom plate；Be provided with round tube hole on cope plate and lower template correspondence position, guide pillar longitudinally through in
Cope plate and the round tube hole on lower template correspondence position；Upper mould is oriented to upper plate and is fixed on by bolt A on cope plate, and upper mould is oriented to
One end of post is fixed on upper mould by screw B and is oriented on upper plate, and the other end of upper mould lead is oriented to bottom by bolt C and upper mould
Plate is connected；Finishing cavity plate is fixed on upper mould by lower supporting plate and is oriented to bottom plate, during upper mould guiding bottom plate is corresponding with finishing cavity plate
Through hole is provided with the heart；Punch-pin is placed in punch case, and punch case is fixed on die shoe by locking nut, and locking nut passes through spiral shell
Nail is fixed on die shoe, and die shoe is fixed in lower template by bolt D；
Top compression device includes hydraulic mechanism and workpiece pullover；Hydraulic mechanism includes hydraulic cylinder and piston rod；Piston rod
Connected with workpiece pullover by shaft coupling；Hydraulic mechanism is oriented to upper plate by bolt and upper mould and is connected.
Further, upper mould lead is no less than 2.
Further, guide pillar is no less than 2.
Further, the through hole of finishing cavity plate is small tubaeform in the big centre in two.
Further, hydraulic cylinder length L1With the Workpiece length L after finishing2Sum is that upper mould is oriented to column length L380%
~90%, the stroke L of piston rod4For the Workpiece length L after finishing2110%~115%.
Further, workpiece pullover can be designed as circular or regular hexagon according to workpiece head shape.
Further, workpiece pullover inner chamber top surface is fitted completely with workpiece surface, is had necessarily between its two side
Gap delta, gap delta is 0.5mm~0.8mm.
Further, guide pillar passes through the guide sleeve in cope plate.
Beneficial effect：
1. a kind of finishing mold with top compression device of design, occurs for cup component of rod category during cold-finishing
Inner cavity top bump defects problem, its is safe and reliable, and productive temp is stable, and product shaping quality is good, in original complicated technology
On the basis of, one of preforming is eliminated, the required precision needed for product has both been reached, manufacturing cost and cycle is reduced again,
The mould reliability is high, and productive temp is stable, and component shaping quality is good
2. increasing a pressuring mechanism for top, to applying pressure at the top of workpiece, inner cavity top bump defects are completely eliminated.
, can be according to actual work need 3. workpiece pullover can be designed as circular or regular hexagon according to workpiece head shape
Workpiece pullover is changed, the applicability of the mould is improved, saves cost.
4. leading further to positioning to guide pillar by guide sleeve, pair of finishing cavity plate and punch-pin can be preferably ensured
Connect, improve cold working precision.
5. on mould lead upper modular belt move finishing cavity plate when, finishing cavity plate can well be positioned, it is ensured that finishing is recessed
Die cavity and punch-pin fit precision.
Brief description of the drawings
Fig. 1 is body sections figure of the invention；
Fig. 2 is the partial enlarged drawing of the top compression device of the present invention；
Reference：1- workpiece；2- locking nuts；3- punch cases；4- punch-pin；5- die shoes；6- lower templates；7- guide pillars；
The upper moulds of 8- are oriented to bottom plate；The upper mould leads of 9-；10- guide sleeves；11- cope plates；The upper moulds of 12- are oriented to upper plate；13- hydraulic mechanisms；
14- hydraulic cylinders；15- piston rods；16- workpiece pullovers；17- finishing cavity plates；18- lower supporting plates.
Embodiment
Below in conjunction with the accompanying drawings 1 and 2 and specific embodiment to further instruction of the present invention：
A kind of finishing mold with top compression device, including finishing mold and top compression device；Finishing mold includes
Lower template 6, guide pillar 7, cope plate 11, die shoe 5, finishing cavity plate 17, punch-pin 4, punch case 3, upper mould are oriented to upper plate 12, upper mould
Lead 9 and upper mould are oriented to bottom plate 8；Cope plate 11 is four, guide pillar with being provided with round tube hole, guide pillar 7 on the correspondence position of lower template 6
7 longitudinally through in the round tube hole on cope plate 11 and the correspondence position of lower template 6, and guide pillar 7 passes through the guide sleeve 10 in cope plate 11；
Upper mould is oriented to upper plate 12 and is fixed on by bolt A on cope plate 11, and upper mould lead 9 is three, and one end of upper mould lead 9 leads to
Cross screw B to be fixed on mould guiding upper plate 12, the other end of upper mould lead 9 is oriented to bottom plate 8 with upper mould by bolt C and connected
Connect；Finishing cavity plate 17 is fixed on upper mould by lower supporting plate 18 and is oriented to bottom plate 8, and lower supporting plate 18 is oriented to by screw D and upper mould
Bottom plate 8 is connected；Upper mould is oriented to bottom plate 8 and communicated with the hole of finishing cavity plate 17；Punch-pin 4 is placed in punch case 3, and punch case 3 passes through locking
Nut 2 is fixed on die shoe 5, and locking nut 2 is fixed on die shoe 5 by screw, and die shoe 5 is fixed on lower mould by bolt E
On plate 6；
Top compression device includes hydraulic mechanism 13 and workpiece pullover 16；The hydraulic mechanism 13 includes hydraulic cylinder 14 and living
Stopper rod 15；The piston rod 15 and workpiece pullover 16 are connected by shaft coupling；Hydraulic mechanism 13 is oriented to by bolt F and upper mould
Plate 12 is connected.
The cavity shape of finishing cavity plate 17 is that small tubaeform in the big centre in two passes through, and center section is work band, both sides loudspeaker
Shape centrum has certain angle, and depanning half-angle is 3 °~12 °, enters mould half-angle for 3 °~15 °.
The length L of hydraulic cylinder 141With the length L of workpiece 1 after finishing2Sum is the upper length L of mould lead 9380%~
90%, the stroke L of piston rod 154For the length L of workpiece 1 after finishing2110%~115%.
Workpiece pullover 16 can be designed as circular or regular hexagon, the inner chamber top surface of workpiece pullover 16 according to the head shape of workpiece 1
Fitted completely with the upper surface of workpiece 1, there is certain gap delta between its two side, gap delta is 0.5mm~0.8mm.
Cooperation belongs to gap cooperation between finishing cavity plate 17 and upper mould are oriented to bottom plate 18, and its specific tolerance fit is H12/
h6；Punch-pin 4 constitutes gap with punch case 3 and coordinated, and specific tolerance fit is H9/h6.
Top compression device pressure applied F is the thrust of piston rod 15, wherein
F1、F2The respectively pressure of hydraulic cylinder oil inlet and outlet, D, d are respectively piston diameter and the diameter of piston rod 15.
The inner chamber top surface of workpiece pullover 16 is fitted completely with the upper surface of workpiece 1, has certain gap delta between its two side,
Gap delta is 0.5mm~0.8mm；Workpiece pullover 16 has commutativity, can be carried out more according to the head shape of workpiece 1 and diameter of section
Change；The head section of workpiece 1 has two kinds of shapes, and one is circle, secondly being regular hexagon；Known circular diameter D1Just
Hexagon inscribed circle diameter D2, pressure size suffered by the head of workpiece 1 is just understood,Wherein
The course of work：During cold-finishing operation, first workpiece is arranged on punch-pin, the stroke of top compression device is then pressed
Switch, clamps workpiece, the pressure certain to application at the top of workpiece；Restart finishing travel switch, cope plate drives finishing
Cavity plate is moved downward, until stroke terminates.
For the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment to the embodiment, not
In the case of the substantive content of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (8)
1. a kind of finishing mold with top compression device, it is characterised in that including finishing mold and top compression device；
The finishing mold includes lower template (6), guide pillar (7), cope plate (11), die shoe (5), finishing cavity plate (17), punch-pin
(4), punch case (3), upper mould are oriented to upper plate (12), upper mould lead (9) and upper mould and are oriented to bottom plate (8)；
The cope plate (11) on lower template (6) correspondence position with being provided with round tube hole, and guide pillar (7) is longitudinally through in cope plate (11)
With the round tube hole in lower template (6)；
The upper mould is oriented to upper plate (12) and is fixed on by bolt A on cope plate (11), and one end of upper mould lead (9) passes through spiral shell
Nail B is fixed on mould and is oriented on upper plate (12), and the other end of upper mould lead (9) is oriented to bottom plate (8) even by bolt C and upper mould
Connect；
The finishing cavity plate (17) is fixed on upper mould by lower supporting plate (18) and is oriented to bottom plate (8), and lower supporting plate (18) passes through spiral shell
Nail D is oriented to bottom plate (8) with upper mould and is connected；The hole that upper mould is oriented to bottom plate (8) is communicated with the through hole of finishing cavity plate (17)；
The punch-pin (4) is placed in punch case (3), and punch case (3) is fixed on die shoe (5), locking screw by locking nut (2)
Female (2) are fixed on die shoe (5) by screw, and die shoe (5) is fixed in lower template (6) by bolt E；
The top compression device includes hydraulic mechanism (13) and workpiece pullover (16)；The hydraulic mechanism (13) includes hydraulic cylinder
And piston rod (15) (14)；The piston rod (15) and workpiece pullover (16) are connected by shaft coupling；
The hydraulic mechanism (13) is oriented to upper plate (12) with upper mould by bolt F and is connected.
2. a kind of finishing mold with top compression device according to claim 1, it is characterised in that the upper mould is oriented to
Post (9) is no less than 2.
3. a kind of finishing mold with top compression device according to claim 1, it is characterised in that the guide pillar (7)
No less than 2.
4. a kind of finishing mold with top compression device according to claim 1, it is characterised in that the finishing cavity plate
(17) through hole is small tubaeform in the big centre in two.
5. a kind of finishing mold with top compression device according to claim 1, it is characterised in that the hydraulic cylinder
(14) length L1With workpiece (1) length L after finishing2Sum is upper mould lead (9) length L380%~90%, piston rod
(15) stroke L4For workpiece (1) length L after finishing2110%~115%.
6. a kind of finishing mold with top compression device according to claim 1, it is characterised in that the workpiece pullover
(16) circular or regular hexagon can be designed as according to workpiece (1) head shape.
7. a kind of finishing mold with top compression device according to claim 1, it is characterised in that the workpiece pullover
(16) inner chamber top surface is fitted completely with workpiece (1) upper surface, has certain gap delta between its two side, gap delta is 0.5mm
~0.8mm.
8. a kind of finishing mold with top compression device according to claim 1, it is characterised in that the guide pillar (7)
Through the guide sleeve (10) in cope plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961905.XA CN105436316B (en) | 2015-12-21 | 2015-12-21 | A kind of finishing mold with top compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961905.XA CN105436316B (en) | 2015-12-21 | 2015-12-21 | A kind of finishing mold with top compression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105436316A CN105436316A (en) | 2016-03-30 |
| CN105436316B true CN105436316B (en) | 2017-10-20 |
Family
ID=55547203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510961905.XA Active CN105436316B (en) | 2015-12-21 | 2015-12-21 | A kind of finishing mold with top compression device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105436316B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141732B (en) * | 2016-07-29 | 2018-03-02 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of clamping and positioner for the fine finished machined of steel ball seat |
| CN111702133B (en) * | 2020-06-23 | 2021-12-07 | 马鞍山常裕机械设备有限公司 | Pressure equipment for riser |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11188450A (en) * | 1997-12-25 | 1999-07-13 | Sumitomo Heavy Ind Ltd | Forging press for deformed long article |
| WO2003055620A1 (en) * | 2001-12-26 | 2003-07-10 | Showa Denko K.K. | Method for manufacturing universal joint yoke, forging die and preform |
| CN201500925U (en) * | 2009-09-01 | 2010-06-09 | 吉林大学 | Curved surface finished machining device |
| CN202316617U (en) * | 2011-10-19 | 2012-07-11 | 浙江工业大学 | Multifunctional vibrating extrusion mold based on hydraulic servo-drive |
| CN103433466A (en) * | 2013-08-28 | 2013-12-11 | 莱州金雁机械制造有限公司 | Aluminum alloy liquid forging mould and combined forming method of starter outer shell |
| CN204035218U (en) * | 2014-07-18 | 2014-12-24 | 浙江今飞凯达轮毂股份有限公司 | A kind of heat treatment material frame apparatus for shaping |
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| CN105436316A (en) | 2016-03-30 |
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Effective date of registration: 20171212 Address after: 226602 Haian Industrial Park, Nantong, Nantong, Jiangsu Patentee after: Jiangsu Zhonghai Heavy Machine Co., Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: Jiangsu University |
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