CN2521033Y - Isostatic pressing machine - Google Patents
Isostatic pressing machine Download PDFInfo
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- CN2521033Y CN2521033Y CN 02203907 CN02203907U CN2521033Y CN 2521033 Y CN2521033 Y CN 2521033Y CN 02203907 CN02203907 CN 02203907 CN 02203907 U CN02203907 U CN 02203907U CN 2521033 Y CN2521033 Y CN 2521033Y
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- Prior art keywords
- supporting plate
- fixed
- column
- pressure chamber
- frame
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- 238000000462 isostatic pressing Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004663 powder metallurgy Methods 0.000 abstract description 2
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 abstract 1
- 206010008469 Chest discomfort Diseases 0.000 description 16
- 239000012530 fluid Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
An isostatic pressing machine comprises an electric control device, a hydraulic means and a presser body. The presser body is provided with a machine support, a lifting hydraulic cylinder, a high-pressure cavity, a guide post or a pressure unit, (a main body of an oil and super-charged isostatic presser). The utility model is characterized in that the outer rims of an engaged surface between the high-pressure cavity and the guide post or the pressure unit are respectively arranged with a boss and a force-bearing device engaged with the two bosses. The force-bearing device is composed of two force-bearing members, two side hydraulic cylinders and hydraulic cylinder pistons, wherein the side hydraulic cylinders are disposed on the machine support. The working load is directly borne by the force-bearing members installed inside the force-bearing device, and the machine support does not need not to bear any load. The utility model has the advantages of more reasonable and compact structure, small volume, light weight, low manufacture cost, being adaptable for the fabrication of powder metallurgy and the utilization of magnetic products, such as neodymium or the like.
Description
One, technical field
The utility model relates to a kind of powder shaping press, promptly a kind of isostatic pressing machine that has bearing.
Two, background technology
At present, the isostatic pressing machine structure mostly is enclosed " O " type frame, and service load directly acts on the frame, makes its structure comparatively huge, weight is heavier, and cost is higher, and super-pressure during work, oil mass are big, and energy consumption is also higher, and operation inconvenience, labor strength is big, and production efficiency is lower.The inventor has applied for a kind of isostatic pressing machine to Patent Office of the People's Republic of China June calendar year 2001, application number is 01227067.9, this machine mainly comprises: frame, hydraulic means, electrical control gear, high-pressure chamber, supercharging cavity, its supercharging cavity upper end is hinged with main fluid power cylinder piston rod, the fluid power cylinder is fixed in the frame upper end, its supercharging cavity is fixedly connected with the promotion flange, push-and-pull flange and following fluid power cylinder piston hinge, its fluid power cylinder is fixed in the high-pressure chamber both sides, and high-pressure chamber is fixed under the frame.Both sides are provided with the fluid power cylinder in the middle of the frame.In addition, also applied for a kind of oil-filling type cavity isostatic pressing machine on the same day the same year, application number is: 01227068.7, and this machine mainly comprises: frame lead, electrical control gear, high pressure body.Hydraulic means is communicated with the high pressure chest of high-pressure chamber by pressure duct, frame top and both sides, the top top fluid power cylinder that is fixedly connected, the piston rod and the lead of top fluid power cylinder are fixedly connected, lead and fairlead movingly, fairlead and high pressure chest are fixed as same center line; Side fluid power cylinder is hinged by piston and position limiting slide block, and position limiting slide block is perpendicular to lead and on same horizontal line.Round recessed and lead are set movingly below its frame top; The convex head of lead inserts the high pressure chest openend.The body of these two kinds of isostatic pressing machines all is that lower and upper cross-member is formed by two " O " closed frames, and its frame and crossbeam directly bear top fluid power cylinder and high pressure chest institute generation power, thereby the selection cross section of frame, crossbeam is big, weight is also big.In addition, the sealing device between workpiece high-pressure chamber and increase cavity requires very high, and is subjected to the influence of housing rigidity, and is high thereby housing rigidity is wanted, and makes that equally also equipment volume is huge, weight is big.
Three, summary of the invention
The utility model is improved at the existing deficiency of above-mentioned isostatic pressing machine, provides a kind of structure more reasonable, improves force-bearing situation, reduces entire equipment weight, reduces manufacturing cost, easy-operating isostatic pressing machine.
The utility model is achieved in that a kind of isostatic pressing machine, comprising: electrical control gear, hydraulic means, press body; The press body contains organic frame, is fixed in lift cylinder and the guide pillar that matches with high-pressure chamber or the supercharging device of the high-pressure chamber of frame lower, upper rack; It is characterized in that: respectively be provided with a boss on the outer rim at the mating surface place of high-pressure chamber and guide pillar or supercharging device, and the bearing that matches with two boss in addition, its bearing is by forming with two load spares that boss cooperates, two side cylinders and connector, and load spare is connected with the piston rod of side cylinder by connector; Described two oil cylinders are fixed on the frame both sides, and its load spare is positioned on the frame.
The frame of its press body comprises base, on base by nut) fixing column; Also comprise the support plate that is fixed on column top by nut, the guide pin bushing between lift cylinder, the supporting plate on the column, column and the supporting plate of fixing on the support plate; The piston of described lift cylinder is fixed on the supporting plate center by connector, is fixing guide pillar under supporting plate, is provided with the connector that connects the hydraulic means high-pressure oil pipe in the centre of high-pressure chamber.
Guide pin bushing between supporting plate, column and the supporting plate on two lift cylinders that the frame of its press body comprises the support plate on base, nut, column, column top, both sides are fixed on it, piston connector, the column, the supercharging device on the supporting plate; Described supercharging dress contains the supercharging cavity that is fixed under the supporting plate, is fixed on the supporting member on the supporting plate, on it by the pressurizing cylinder of bolting; Pressurizing cylinder piston adpting flange is by the hinged pressure rod of flange; Described pressure rod is contained in supporting member, booster cavity spare center, is provided with supercharging cavity gland and sealing ring between supporting plate and booster cavity, and is contained in the booster cavity; The center of described pressurizing cylinder, supporting member and supercharging cavity is consistent with the center of high-pressure chamber.
The junction of its high-pressure chamber and guide pillar body or supercharging cavity is provided with guide pillar shelves lid and sealing ring, and also is provided with seam on the mating surface thereon.
The base of above-described frame by base plate, be fixed on the support of base plate both sides and in the middle of the support and with the supporting plate that high-pressure chamber is fixed together, form.Side fluid power cylinder is fixed on the support, and its load spare is placed on the supporting plate, and the lower end of column is fixed on the supporting plate by nut.
The utility model has adopted two halves to be combined into locking devices such as load spare, side fluid power cylinder on high-pressure chamber and lead or supercharging cavity, make the operating pressure of isostatic pressing machine act directly on the retaining ring, and rack section be not subjected to the effect of operating pressure, thereby make the structure of frame simpler, alleviated weight greatly, the structure of whole isostatic pressing machine is more reasonable.Reduced manufacturing cost, operating process is easy.This structure can be thought the isostatic pressing machine with supercharging device, and, can annotate low pressure oil in its high-pressure chamber; Again can be in high-pressure chamber, annotating hydraulic oil oil-filling type isostatic pressing machine.
Four, description of drawings
Fig. 1 is the isostatic pressing machine basic structure sketch that contains bearing;
Fig. 2 is a hydraulic oil oil-filling type isostatic pressing machine structural representation;
Fig. 3 is supercharging cavate and low pressure oil-filling type isostatic pressing machine structural representation.
Five, the specific embodiment
Fig. 1, isostatic pressing machine structure and principle.It comprises: electrical control gear, hydraulic means, the press body, its body contains organic frame 1, being used on the frame promotes the lift cylinder 5 of guide pillar, be fixed in the high-pressure chamber 2 of frame lower, guide pillar 3, wherein: guide pillar is the end socket of oil-filling type isostatic pressing machine envelope high-pressure chamber, be characterized in respectively being provided with a boss 201 on the outer rim of mating surface of high-pressure chamber and lead, 301, and big boss place is provided with bearing 4, it is by two the load spares 401 that have groove that cooperate two boss, the connector 402 of load spare and side cylinder piston is fixed on two side cylinders, 403 compositions such as grade on the frame.Its load spare is positioned on the frame and by its supporting.
Oil-filling type isostatic pressing machine shown in Figure 2, it comprises above-described structure, and wherein said frame comprises: base 101, the column of being fixed by nut 102 on base 103, column can be two, three or four, be generally four posts, its symmetry and the center line of high-pressure chamber and evenly distribution.Also comprise the support plate 104 that is fixed on the column top by nut 102, also can be called entablature.Suit guide pin bushing 106 and supporting plate 105 in the middle of the column, on support plate to the lift cylinder 5 of fixed-site at high-pressure chamber center, the piston of its oil cylinder by connector 501 be fixed on supporting plate in the heart, guide pillar 3 is being fixed in the center below supporting plate.Be provided with the hydraulic oil pouring orifice 202 that connects hydraulic means in the high-pressure chamber centre position.
The base 101 of its above frame by base plate 1011, be fixed on the base plate both sides support 1012, and the supporting plate 1013 that in the middle of support and with high-pressure chamber, is fixed together etc. form.Side cylinder 403 is fixed on the support, and its force bearing ring 401 is located on the supporting plate, and the lower end of column 103 is fixed on the supporting plate by nut 102.
Booster-type isostatic pressing machine shown in Figure 3, be characterized in that two lift cylinders 5 are respectively adorned in both sides on the fixing support plate 104 in column 103 tops, the piston of each oil cylinder is fixed on the both sides of supporting plate by connector 501, the center fixation of supporting plate supercharging device 3, described supercharging device contains the supercharging cavity 302 under supporting plate, on supporting plate, hold part 303, and be fixed on the supporting plate by bolt 320.Fixing pressurizing cylinder 305 by bolt 304 on the supporting member; By adpting flange 306 hinged pressure rods 307, its pressure rod is contained in the center of supporting member, supercharging cavity on its pressurizing cylinder piston.Be provided with guide column sleeve gland 308 and sealing ring 309 between supporting plate and the increase cavity, and be contained in booster cavity interior 310.The center of its pressurizing cylinder, supporting member and supercharging cavity should remain on the center line with the high-pressure chamber center.Other structure is same as above the same.And low pressure pouring orifice 202 is set on high pressure chest, and connect hydraulic means, be a kind of isostatic pressing machine of annotating low pressure oil.
In above-described two kinds of isostatic pressing machines, the junction of described high-pressure chamber and guide pillar or supercharging cavity is provided with guide pillar shelves lid 302 and isolating seal circle 303, and also is provided with seam 304 on its mating surface.
One, the course of work of oil-filling type isostatic pressing machine:
(1) charging: hydraulic means outwards moves the side cylinder piston by making hydraulic oil approaching side fluid power cylinder 403 in the pipe, opens load spare 401, hydraulic oil enters lift cylinder 5 simultaneously, supporting plate and guide pillar 3 are upwards lifted to the extreme higher position, feeded to high pressure chest 2, till filling.
(2) sealing high pressure chest, closed load spare, exhaust: hydraulic means is to lift cylinder 5 oil-feeds, piston makes supporting plate and guide pillar 3 down to high-pressure chamber, the sealing high pressure chest, and side cylinder 403 pistons move inward, make load spare 401 closures, again by hydraulic means through high pressure chest pouring orifice 202 feed liquors, exhaust.
(3) supercharging, pressurize: after 202 oil-feeds of high pressure chest pouring orifice,, pressurize a period of time, decide dwell time length according to the briquetting end properties by the hydraulic means supercharging.
(4) by hydraulic means control pouring orifice 202, carry out release after, control side cylinder piston, open load spare after, control lift cylinder 5 oil-feeds again, piston makes supporting plate and guide pillar 3 upwards lift the extreme higher position, stops, and gets finished product block.
Two, the course of work of supercharging cavate isostatic pressing machine:
(1) charging: hydraulic means makes upwards action of lift cylinder 5, the supercharging cavity 3, supporting member and the pressurizing cylinder that promote on supporting plate and the supporting plate rise to the extreme higher position, high pressure chest 2 is opened, at this moment, side cylinder 403 is opened load spare 401, and inwardly charging, charge of oil (perhaps using low pressure pouring orifice 202 charges of oil).
(2) sealing high pressure chest: hydraulic means moves down the piston of lift cylinder 5, drives supporting plate, supercharging cavity, supporting member and pressurizing cylinder and moves down, to supercharging cavity sealing high pressure chest.Then, hydraulic means makes side cylinder 403 pistons move inward, closed load spare 401 (and closing the low pressure pouring orifice).
(3) supercharging, pressurize: pressurizing cylinder 305 descent of pistons drive pressure rod 306 motion downwards in booster cavity, make that pressure strengthens in the high pressure chest 2, be pressurized to certain value after, definite value of pressurize.
(4) release backhaul: pressurizing cylinder 305 piston stroking upwards drive pressure rod 306 upwards motion in booster cavity, and high pressure chest 2 internal pressures are removed.
(5) take out finished product block: hydraulic means makes side cylinder 403 pistons outwards move, after opening load spare 401, lift cylinder 5 pistons are moved upward, drive supporting plate, supercharging cavity, pressurizing cylinder rise to the extreme higher position, open high pressure chest 2, (open pouring orifice 202, drain part oil) take out finished product block, promptly finish a technical process.
Facts have proved: adopt the utility model to make that the structure of isostatic pressing machine is compact more, equipment volume reduces, and is in light weight, and the cost cost reduces, and they are adapted to the use of magnetic products such as powder metallurgy and neodymium iron boron.
Claims (5)
1, a kind of isostatic pressing machine comprises electrical control gear, hydraulic means, press body; The press body contains organic frame (1), is fixed in the high-pressure chamber (2) of frame lower, the lift cylinder (5) of upper rack and the guide pillar that matches with high-pressure chamber or supercharging device (3); It is characterized in that: respectively be provided with a boss (201,301) on the outer rim at the mating surface place of high-pressure chamber and guide pillar or supercharging device, and the bearing (4) that matches with two boss in addition, its bearing is by forming with two load spares that boss cooperates (401), two side cylinders (402) and connector (403), and load spare is connected with the piston rod of side cylinder by connector; Described two oil cylinders are fixed on the frame both sides, and its load spare is positioned on the frame.
2, a kind of isostatic pressing machine according to claim 1 is characterized in that: the column (103) that the frame of described press body comprises base (101), fixed by nut (102) on base; Also comprise the support plate (104) that is fixed on column top by nut, the lift cylinder of fixing on the support plate (5), the guide pin bushing (106) between supporting plate (105), column and the supporting plate on the column; The piston of described lift cylinder is fixed on the supporting plate center by connector (501), is fixing guide pillar (3) under supporting plate, is provided with the connector (202) that connects the hydraulic means high-pressure oil pipe in the centre of high-pressure chamber (2).
3, a kind of isostatic pressing machine according to claim 1 is characterized in that: the guide pin bushing (106) between supporting plate (105), column and the supporting plate on two lift cylinders (5) that the frame at described press body comprises the support plate (104) on base (101), nut (102), column (103), column top, both sides are fixed on it, piston connector (501), the column, the supercharging device (3) on the supporting plate; Described supercharging dress contains the supercharging cavity (302) that is fixed under the supporting plate, is fixed on the supporting member (303) on the supporting plate, the pressurizing cylinder of being fixed by bolt (304) on it (305); Pressurizing cylinder piston adpting flange (306) is by the hinged pressure rod of flange (307); Described pressure rod is contained in supporting member, booster cavity spare center, is provided with supercharging cavity gland (308) and sealing (309) between supporting plate and booster cavity, and is contained in the booster cavity (310); The center of described pressurizing cylinder, supporting member and supercharging cavity is consistent with the center of high-pressure chamber.
4, a kind of isostatic pressing machine according to claim 1, it is characterized in that: described high-pressure chamber (2) is provided with guide pillar shelves lid (311) and sealing ring (312) with the junction of guide pillar (302) or supercharging cavity (302), and also is provided with seam boss (313) on its mating surface.
5, according to claim 2 or 3 described a kind of isostatic pressing machines, it is characterized in that: the base (101) of described frame (1) by base plate (1011), be fixed on the support (1012) of base plate both sides, and in the middle of support and with the supporting plate (1013) that high-pressure chamber is fixed together, form; Side cylinder (403) is fixed on the support, and its load spare (401) is located on the supporting plate; And the lower end of column (103) is fixed on the supporting plate by nut (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203907 CN2521033Y (en) | 2002-01-21 | 2002-01-21 | Isostatic pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203907 CN2521033Y (en) | 2002-01-21 | 2002-01-21 | Isostatic pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2521033Y true CN2521033Y (en) | 2002-11-20 |
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ID=33685964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02203907 Expired - Fee Related CN2521033Y (en) | 2002-01-21 | 2002-01-21 | Isostatic pressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2521033Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139541A (en) * | 2011-03-11 | 2011-08-03 | 天津太平洋超高压设备有限公司 | Booster-and-framework-integrated cold isostatic press without ultrahigh-pressure pipelines |
| CN104015391A (en) * | 2013-11-28 | 2014-09-03 | 昆山御广峰机械有限公司 | Novel hydraulic press machine |
| CN104136209A (en) * | 2012-03-26 | 2014-11-05 | 艾尼吉恩有限公司 | Combination apparatus of cold isostatic press and general press |
| CN113134991A (en) * | 2021-04-08 | 2021-07-20 | 太原科技大学 | Temperature isostatic pressing machine |
-
2002
- 2002-01-21 CN CN 02203907 patent/CN2521033Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139541A (en) * | 2011-03-11 | 2011-08-03 | 天津太平洋超高压设备有限公司 | Booster-and-framework-integrated cold isostatic press without ultrahigh-pressure pipelines |
| CN102139541B (en) * | 2011-03-11 | 2012-08-15 | 天津太平洋超高压设备有限公司 | Booster-and-framework-integrated cold isostatic press without ultrahigh-pressure pipelines |
| CN104136209A (en) * | 2012-03-26 | 2014-11-05 | 艾尼吉恩有限公司 | Combination apparatus of cold isostatic press and general press |
| CN104136209B (en) * | 2012-03-26 | 2015-11-25 | 艾尼吉恩有限公司 | The combination unit of cold isostatic press and general forcing press |
| CN104015391A (en) * | 2013-11-28 | 2014-09-03 | 昆山御广峰机械有限公司 | Novel hydraulic press machine |
| CN113134991A (en) * | 2021-04-08 | 2021-07-20 | 太原科技大学 | Temperature isostatic pressing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |