CN207857758U - Semi-circular plate die-forging forming mold - Google Patents
Semi-circular plate die-forging forming mold Download PDFInfo
- Publication number
- CN207857758U CN207857758U CN201721864970.1U CN201721864970U CN207857758U CN 207857758 U CN207857758 U CN 207857758U CN 201721864970 U CN201721864970 U CN 201721864970U CN 207857758 U CN207857758 U CN 207857758U
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- plate
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- die holder
- circular plate
- die
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- 238000005242 forging Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
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Abstract
The utility model is related to a kind of semi-circular plate die-forging forming mold, on the lower plane of upper die holder, punch and upper die holder are integrally mounted on the crossbeam of press punch；Arc cavity plate is mounted in die socket, and there are the c-type limiting device of adjustable width in arc cavity plate both sides；It is bolted between plane on die socket and lower die holder, lower die holder is fixed on press walks on stage.The diameter of arc cavity plate is identical as the semi-circular plate outer diameter processed；Arc die depth is that semi-circular plate radius adds 50 100mm；The groove for collecting oxide skin is arranged at arc cavity plate inner wall bottom.It is molded semi-circular plate with the utility model.It comes out of the stove, is delivered in arc cavity plate, press downlink after steel plate heating fully, after the completion of molding, press stops pressure uplink, using drag body by semi-circular plate depanning.The upper and lower die holder of the utility model is welded by steel plate, and according to the semi-circular plate of different size, only need to change punch and cavity plate, manufacturing cost is low, can guarantee that semi-circular plate appearance and size is accurate, is convenient in demoulding.
Description
Technical field
The utility model is related to a kind of semi-circular plate die-forging forming molds.
Background technology
Self-elevating drilling platform is the most commonly used offshore drilling platforms of current domestic and international application, in recent years, with
The demand of the fast development of marine engineering equipment industry, self-elevating drilling platform also sharply increases.Semi-circular plate is that jack up bores
The most important component part of well platform leg.
Currently, there are two types of the molds of die-forging forming semi-circular plate, one is for Special purpose pressing machine, one kind is for common free
On forging press.In the case where semi-circular plate demand sharply increases, according to semi-circular plate Special purpose pressing machine, then manufacturing cost is too high, therefore
The existing free forging press of enterprise can only be selected to be produced, the die forging of semi-circular plate is all made of the cavity plate that inner wall is circular arc and is molded,
The oxide skin generated in semi-circular plate forming process not easy-clear；In addition, upper and lower die holder generally uses casting or forging, then weight
It is excessive, the handling of mold are not easy to, and manufacturing cost is high.
Using the die-forging forming device of the semi-circular plate, problem above can be solved, the upper and lower die holder of the device is welded using steel plate
It connects, mold weight is lighter, and mold can utilize existing free forging press；It is recessed that female bottom has arc oxide skin to collect
Slot, the above measure ensure that semi-circular plate compact dimensions are accurate, improve the type quality of semi-circular plate.
Invention content
A kind of the purpose of this utility model is to overcome above-mentioned deficiency, it is desirable to provide energy precise forming semi-circular plate shape ruler
It is very little, and reduce the molding die of semi-circular plate die manufacturing cost.
The realization method of the utility model aim is as follows：A kind of semi-circular plate die-forging forming mold, punch is mounted in upper die holder
On lower plane, punch and upper die holder are integrally mounted on the crossbeam of press；Arc cavity plate is mounted in die socket, die socket bolt
It is connected on lower die holder, there are the c-type limiting device of adjustable width in arc cavity plate both sides, are used between arc cavity plate and die socket
It is bolted；Lower die holder is fixed on press walks on stage；There is limiting device in the centre position of upper die holder and lower die holder both sides；
The bottom plate of the punch is connected with upper die holder lower plane, and support plate one end is welded with pole, the other end and bottom plate
Welding；The bottom surface of wing plates on two sides is welded with bottom plate, and side is welded with support plate welding, arc surface and pole, the bottom of wing plates on two sides
Face is vertical with side, and arc surface diameter is identical as diameter of the rod；
The diameter of the arc cavity plate is identical as the semi-circular plate outer diameter of processing；Arc die depth is that semi-circular plate radius adds
50-100mm；The groove for collecting oxide skin is arranged at arc cavity plate inner wall bottom；
The blend stop of the c-type limiting device is positioned on the shoulder of arc cavity plate both sides, and screw rod passes through the hole of c-type plate, wears
It crosses end to be welded on blend stop, c-type plate lower end is welded on die socket, and there are the adjusting nut being sleeved on screw rod in the both sides of c-type plate hole.
During shaping semi-circular plate using the utility model, sufficient steel plate blank will be heated, cavity plate is delivered to by roller-way
In, mobile press is walked on stage, and lower mold is moved under press, press pressure, when the limit in the centre position of upper die holder and lower die holder
When gasket on the device of position completely attaches to, then punch is completed to mold with cavity plate, and semi-circular plate is molded in cavity plate, at this point, semi-circular plate
The oxide skin generated in forming process is collected in the groove of female bottom.Press stops uplink after pressure, and semi-circular plate is by dragging
Mechanism is draged to be removed from the mold.
The utility model upper die holder and lower die holder are welded by steel plate, and according to the semi-circular plate of different size, are only needed
Punch and cavity plate are changed, die manufacturing cost has been saved.The utility model can guarantee that semi-circular plate appearance and size is accurate, demoulding side
Just.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model,
Fig. 2 is structure of upper die base schematic diagram,
Fig. 3 is punch structure schematic diagram,
Fig. 4 is arc cavity die structure schematic diagram,
Fig. 5 is die socket structural schematic diagram,
Fig. 6 is Lower die base structure schematic diagram,
Fig. 7 is c-type limit device structure schematic diagram.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings.
Referring to Fig.1, on the lower plane of upper die holder 2, punch 3 and 2 entirety of upper die holder are mounted in the punch 3 of the utility model
On the crossbeam of press 1；Die socket 5 is bolted on lower die holder 6, and 4 both sides of arc cavity plate have the c-type of adjustable width to limit
Device 7；It is connected by screw bolts between arc cavity plate 4 and die socket 5, is bolted between plane on die socket 5 and lower die holder 6,
Lower die holder 6 is fixed on press walks on stage.
There is limiting device 14 in the centre position of 6 both sides of upper die holder 2 and lower die holder, the steel plate of the 80mm thickness of limiting device 14
Both sides are welded with the steel plate of 30mm thickness；The long 2-2.5m of 14 upper and lower contact surface of limiting device, high 1m, width 300mm.Limiting device 14 is logical
The mode for crossing plus-minus gasket can facilitate the height of adjustment limit for the semi-circular plate of different size.
With reference to Fig. 2,6, upper die holder 2 and lower die holder 6 are box-shaped, and four blocks of steel plates of box-shaped are welded using 80mm steel plates, intermediate
Wing plate be welded using 30mm steel plates.The steel plate that upper die holder 2 is connected with press crossbeam, middle section size and crossbeam ruler
Very little identical, the width and die socket 5 of beam with overhanging ends are of same size, and the overall length of upper die holder 2 is determined by the length of semi-circular plate, generally
It is at least 1-2 meters longer than semi-circular plate overall length.The lower plane length and width size of upper die holder 2 and the length and width ruler of die socket 5
It is very little identical；Lower die holder 6 is walked on stage the steel plate thickness 60mm of the lower plane to connect, length and plane steel plate size on upper die holder 2 with press
It is identical.Upper die holder 2 plays in semi-circular plate forming process is bonded punch 3 with press, and transfer press pressure at
The effect of type semi-circular plate；
With reference to Fig. 3, the bottom plate 17 of punch 3 is connected with 2 lower plane of upper die holder, and 18 one end of support plate is welded with pole 16,
The other end is welded with bottom plate 17.The bottom surface of wing plates on two sides is welded with bottom plate 17, side and the welding of support plate 18, arc surface and pole
16 welding, the bottom surface of wing plates on two sides is vertical with side, and arc surface diameter is identical as 16 diameter of pole.
16 diameter of pole is identical as semicircle board diameter, pole 16, bottom plate 17, support plate 18 length under upper die holder 2
Plane is identical.17 thickness 60mm of bottom plate, 18 thickness 60mm of support plate, high 150mm, wing plates on two sides thickness 30mm.
With reference to Fig. 4,5, the arc cavity plate 4 and die socket 5 are casting.The diameter of arc cavity plate 4 and semi-circular plate outer diameter phase
Together.4 depth of arc cavity plate is that semi-circular plate radius size adds 50-100mm；The 100mm that has broad shoulders of 4 wall thickness of arc cavity plate and both sides；
The groove 10 for collecting oxide skin, groove 10 and 4 inner wall radian rounding off of arc cavity plate, bottom are arranged at 4 inner wall bottom of arc cavity plate
Depth capacity is 5mm.In order to reduce the weight, 4 outer wall of arc cavity plate sets loss of weight blind hole.
The width of its steel plate used of diameter is identical, height is different semi-circular plate is different, therefore, every section of arc cavity plate 4
Both sides, which are equipped with, when the steel plate of different in width is put into arc cavity plate, can pass through c-type device 7 with the c-type device 7 of adjustment width
Carry out adjustment width, to achieve the purpose that fix steel plate.
With reference to Fig. 7, the blend stop 15 of the c-type device 7 is positioned on the shoulder of 4 both sides of arc cavity plate, a diameter of 20mm's
It is the hole 11 of 20mm that screw rod, which passes through c-type board diameter, and screw rod 12 is welded on behind the one end in hole 11 on blend stop 15, and blend stop 15 is wide
100mm, thick 60mm.C-type plate lower end is welded on die socket 5, and there are the adjusting nut being sleeved on screw rod 12 in the both sides of c-type plate hole 11
13, the nut 13 by adjusting both sides can reach the purpose of adjustment width.
In order to easy to loading and unloading, the blend stop 15 of die socket 5, arc cavity plate 4 and c-type device 7 makes 2 meters every section of segmented,
It is provided with bolt hole 9 on 5 outer wall of die socket, is connected by screw bolts between every two sections of die sockets 5,5 overall length of die socket and lower die holder 6
Overall length is equal.It is also connected by screw bolts between die socket 5 and lower die holder 6.
Both can guarantee using the utility model can utilize existing free forging press production semicircle panel products, and semicircle board foot
Very little Accurate Shaping improves semi-circular plate type quality.
When being produced using the utility model, sufficient steel plate blank 8 will be heated and be delivered in arc cavity plate 4 by roller-way, moved
Dynamic compressor 1 is walked on stage, and lower mold is moved under press 1, and press 1 presses, when the limit of upper die holder 2 and the centre position of lower die holder 6
When gasket on the device 14 of position completely attaches to, then punch 3 and arc cavity plate 4 are completed to mold, semi-circular plate in the present invention at
Type, at this point, the groove 10 that the oxide skin generated in semi-circular plate forming process is collected in 4 bottom of arc cavity plate suffers.Press 1 stops
Uplink after only pressing, semi-circular plate are removed from the mold by drag body.
The utility model is a kind of device of the precise forming semi-circular plate appearance and size on common free forging press.
Claims (9)
1. a kind of semi-circular plate die-forging forming mold, it is characterised in that：Punch is on the lower plane of upper die holder, punch and upper die holder
It is whole to be mounted on the crossbeam of press；Die socket is bolted on lower die holder, and there are the c-type of adjustable width in arc cavity plate both sides
Limiting device；It is bolted between plane on die socket and lower die holder, lower die holder is fixed on press walks on stage；Upper die holder and lower die
There is limiting device in the centre position of seat both sides；
Steel plate above the punch is connected with upper die holder lower plane, wing plates on two sides one end and steel plate, and one end is welded with pole,
Diameter of the rod is identical as semicircle board diameter, pole length and identical upper die holder lower plane；
The diameter of the cavity plate is identical as the semi-circular plate outer diameter of processing；Arc die depth is that semi-circular plate radius adds 50-100mm；
The arc groove for collecting oxide skin is arranged at cavity plate inner wall bottom；
The blend stop of the c-type limiting device is positioned on the shoulder of cavity plate both sides, and screw rod passes through the hole of c-type plate, through end welding
On blend stop, c-type plate lower end is welded on die socket, and there are the adjusting nut being sleeved on screw rod in the both sides of c-type plate hole.
2. a kind of semi-circular plate die-forging forming mold according to claim 1, it is characterised in that：Arc groove and cavity plate inner wall
Radian rounding off, bottom portion of groove depth capacity are 5 millimeters.
3. a kind of semi-circular plate die-forging forming mold according to claim 1, it is characterised in that：Upper die holder and press crossbeam phase
The steel plate of connection, middle section size is identical as crossbeam size, and the width and cavity plate of beam with overhanging ends are of same size, upper die holder
Overall length is than semi-circular plate overall length 1-2m；The lower plane length and width size of upper die holder is identical as the length and width size of cavity plate；
Lower die holder is walked on stage the steel plate thickness 60mm of the lower plane to connect with press, and length is identical as plane steel plate size on upper die holder.
4. a kind of semi-circular plate die-forging forming mold according to claim 1, it is characterised in that：Die socket, arc cavity plate and C
The blend stop of type device makes 2 meters every section of segmented, is connected by screw bolts between section and section.
5. a kind of semi-circular plate die-forging forming mold according to claim 1, it is characterised in that：It is connected with upper die holder lower plane
The steel plate length and pole length phase of steel plate, wing plates on two sides and the steel plate thickness 60mm for processing pole connect, wing plates on two sides and pole
Together, width 150mm；Punch wing plates on two sides is right-angle side, the radian that wing plates on two sides is mutually welded with pole with two pieces of steel plate weld ddges
Diameter it is identical as diameter of the rod.
6. a kind of semi-circular plate die-forging forming mold according to claim 1, it is characterised in that：The shoulder of cavity plate wall thickness and both sides
The wide 100mm of wing；Cavity plate inner wall collects the arc groove of oxide skin and cavity plate inner wall radian rounding off, bottom depth capacity are
5mm。
7. a kind of semi-circular plate die-forging forming mold according to claim 1 or 6, it is characterised in that：Upper die holder and lower die holder
Four blocks of steel plates for box-shaped, box-shaped are welded using 80mm steel plates, and intermediate wing plate is welded using 30mm steel plates.
8. a kind of semi-circular plate die-forging forming mold according to claim 1, it is characterised in that：The 80mm thickness of limiting device
The both sides of steel plate are welded with the steel plate of 30mm thickness；The long 2-2.5m of the upper and lower contact surface of limiting device, high 1m, width 300mm.
9. a kind of semi-circular plate die-forging forming mold according to claim 1, it is characterised in that：It is blind that cavity plate outer wall is equipped with weight
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864970.1U CN207857758U (en) | 2017-12-27 | 2017-12-27 | Semi-circular plate die-forging forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864970.1U CN207857758U (en) | 2017-12-27 | 2017-12-27 | Semi-circular plate die-forging forming mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207857758U true CN207857758U (en) | 2018-09-14 |
Family
ID=63466975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864970.1U Active CN207857758U (en) | 2017-12-27 | 2017-12-27 | Semi-circular plate die-forging forming mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207857758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773044A (en) * | 2018-11-20 | 2019-05-21 | 韶关市中机重工股份有限公司 | Semi-circular plate compacting tool set and semicircle board fabrication method |
| CN109877192A (en) * | 2019-04-10 | 2019-06-14 | 滁州永强汽车制造有限公司 | A kind of cabinet coaming plate integral forming device |
-
2017
- 2017-12-27 CN CN201721864970.1U patent/CN207857758U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773044A (en) * | 2018-11-20 | 2019-05-21 | 韶关市中机重工股份有限公司 | Semi-circular plate compacting tool set and semicircle board fabrication method |
| CN109773044B (en) * | 2018-11-20 | 2024-03-29 | 韶关市中机重工有限责任公司 | Semicircular plate pressing die and semicircular plate manufacturing method |
| CN109877192A (en) * | 2019-04-10 | 2019-06-14 | 滁州永强汽车制造有限公司 | A kind of cabinet coaming plate integral forming device |
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