CN104527113B - A kind of Miniature oil press - Google Patents
A kind of Miniature oil press Download PDFInfo
- Publication number
- CN104527113B CN104527113B CN201510023246.5A CN201510023246A CN104527113B CN 104527113 B CN104527113 B CN 104527113B CN 201510023246 A CN201510023246 A CN 201510023246A CN 104527113 B CN104527113 B CN 104527113B
- Authority
- CN
- China
- Prior art keywords
- support set
- piston
- piston rod
- mold
- bottom plate
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D37/04—Movable or exchangeable mountings for tools
-
- 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
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of Miniature oil press, belong to hydraulic machinery field. A kind of Miniature oil press of the present invention, comprises upper cylinder and bottom plate, also comprises support set, and support set is sleeve-like configuration; Bottom plate is cirque structure; The outside diameter of upper cylinder, support set and bottom plate is identical, coaxial line sets gradually from top to bottom, internal cavities is communicated with and is fixedly connected into an overall structure, wherein: upper cylinder internal cavities is provided with piston, the top of piston is that piston head, bottom are piston rod; Piston-rod lower end is detachably provided with mold; Support set middle part offers the square dog-house that horizontal direction runs through support set; Bottom plate upper end is detachably provided with annular bed die; Support set lower end is provided with circular cascade groove in mating connection with the cylindrical of bed die. The present invention, because guiding accuracy is high, can ensure the dimensional accuracy of pressing component, especially, there being unique technical advantage aspect finding compacting, has wide market prospects.
Description
Technical field
The present invention relates to hydraulic machinery field, more particularly, relate to a kind of Miniature oil press.
Background technology
Hydraulic press is the one of hydraulic press, utilizes and has the fluid of pressure as the working media of transferring power, is widely used in plasticThe pressing process of property material, as punching press, bending, alignment, the manufacturing process such as press-fit. Existing hydraulic press is mainly by main frame and powerThe two large divisions of mechanism composition. Hydraulic press host machine part comprises fuselage, master cylinder and charging device etc. Actuating unit is by fuel tank, high pressureThe compositions such as pump, low voltage control system, motor and various pressure valve and direction valve. Actuating unit under the control of electric device,Control pump and oil cylinder and various hydraulic valve.
As shown in Figure 2, in prior art, hydraulic press is as connected upper bottom plate by four guide pillars, and oil cylinder is contained on upper mounted plate,Between upper bottom plate, also have portable plate, mold is housed on portable plate, bed die is contained between portable plate and fixed head, passes throughPortable plate and fixed head position mould; Piston is placed in oil cylinder, and piston is in running, and piston rod drives portable plateAnd on mold move up and down punching press bed die, thereby complete the compacting of mould. But this kind of hydraulic press volume be large, manufactureTrouble, cost of manufacture is high, and the location of mould is accurate not, causes precision not high, is applied to higher small-sized of required precisionHydraulic press, can produce a very large impact the life-span of mould, had also reduced the precision of the product of hydraulic press production itself simultaneously.
Chinese Patent Application No.: 201120048795.5, the patent documentation of open day 2011.11.09 discloses a kind of middle-size and small-size hydraulic pressureThe oil cylinder of machine. This utility model comprises cylinder body, piston rod and fairlead, wherein, is provided with through hole on cylinder body, through holeOne end is provided with cylinder bottom close-fitting with it, and the other end of through hole is provided with fairlead; Piston rod passes fairlead, and by oilThe seal chamber that cylinder body, cylinder bottom and fairlead surround is divided into upper cavity and lower chamber, is provided with upper cavity and is connected on cylinder bodyLogical epicoele oil-in and the cavity of resorption oil-in being connected with lower chamber; On the outer wall of cylinder body, be provided with external screw thread. This practicality is newIn type, oil cylinder is resolved into multiple parts, and cylinder body is designed to shape of through holes, adds and only need process single part man-hour, and need notEntirety is processed the difficulty of processing that has therefore reduced oil cylinder, adopts conventional equipment also can complete smoothly the processing of oil cylinder. Treat instituteAfter having part to machine, then by multiple part overall package. The technique that complicates is simple process, has reduced difficulty of processing, jointAbout raw material. This utility model has solved the packing problem of the oil cylinder of hydraulic press, does not solve small hydraulic machine upper/lower die fixedThe coarse problem in position.
Summary of the invention
1. the technical problem that will solve
Large for the hydraulic press volume existing in prior art, cost of manufacture is high, mould location inaccurate cause Product Precision poor,The problem that die wear is serious, the invention provides a kind of Miniature oil press. It can realize the product that cost of manufacture is low, makePrecision is high, mould accurate positioning, can improve again the object of die life, and is particularly suitable for the making of miniature parts.
2. technical scheme
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of Miniature oil press, comprises upper cylinder and bottom plate, also comprises support set, and described support set is sleeve-like configuration;Described bottom plate is cirque structure; The outside diameter of upper cylinder, support set and bottom plate is identical, coaxial from top to bottomLine sets gradually, internal cavities is communicated with and be fixedly connected into an overall structure, wherein: described upper cylinder internal cavities is establishedBe equipped with piston, the top of piston is that piston head, bottom are piston rod, and upper cylinder avris is provided with communicate with its internal cavities upperOil-in and lower oil-in, upper oil-in at piston head with the cavity setting below piston head of upper plenum, lower oil-in; Piston rodLower end is detachably provided with mold; Described support set middle part offers the square dog-house that horizontal direction runs through support set,Lower end is provided with circular cascade groove; Described bottom plate upper end is detachably provided with circular bed die; Bed die embedsIn the circular cascade groove in support set lower end; It is suitable that bed die center is provided with the lower partial shape of shape and moldThrough hole A; Bottom plate inner circle is through hole B.
Preferably, also comprise guide collar; Described guide collar is bottom annular projection annular sleeve-like structure; Described support setAlso there is circular cascade groove upper surface, and its outside diameter is greater than the diameter of the circular cavity of upper cylinder, described piston rod bottomExtend to the position in support set, more than dog-house, like this, stepped in the circle of the periphery of piston rod, support set upper surfaceGroove has up formed cross section L-shaped " L " mouth annular gap outwardly, and described guide collar is agreed with and is embedded in lower oil-inIn L-shaped annular gap, following cross section.
Preferably, the bottom of described piston rod is provided with the cascade groove that cross section is down " T " font, wherein second-order grooveBe provided with internal thread; Described mold is " ten " character form structure, and external screw thread is arranged at top, the middle left and right lug boss of moldDivide in the first rank groove that embeds piston rod, top rotates in the second-order groove that is fixed on piston rod by external screw thread.
Preferably, described mold is also fixedly connected with by mold adapter sleeve with piston rod; Establish the neighboring, bottom of piston rodBe equipped with external screw thread; Bottom described mold adapter sleeve is, having through hole, cross section is " L " shape " L " mouth annular step scalariform inwardlyStructure, on " L " of mold adapter sleeve shape top, inner headed face arranges internal thread, and with neighboring, piston rod bottom arrange outsideScrew thread rotation is connected and fixed.
Preferably, described piston head periphery is provided with the first sealing ring; It is second close that described guide collar upper-outer circumference is provided withSeal, middle inner headed face are provided with the 3rd sealing ring.
Preferably, described mold bottom is provided with and unloads nib.
Preferably, the top of the through hole A of described bed die is provided with stair-stepping positioning port.
Preferably, the diameter of described through hole A maximum is less than the diameter of through hole B, and two through hole junction forms stair-stepping de-Material mouthful.
3. beneficial effect
Than prior art, the invention has the advantages that:
(1) a kind of Miniature oil press of the present invention, has abandoned the bulky of traditional oils press typical three blocks of plates, four guide pillarsStructure, has reduced manufacturing cost, middle with being fixedly connected with of support set and upper cylinder and bottom plate, and has replaced prior artThree blocks of plates and four guide pillars; Dog-house is arranged in support set, and piston-rod lower end is detachably provided with mold, fixed head upper end canRemove and install bed die, compact conformation, fixing, location and guide effect are good, have advantages of that precision is high, working stability,Overcome traditional oils press and affected by the accuracy of manufacture and the damage that causes mould, thereby extended the service life of mould and made and produceThe precision of product;
(2) a kind of Miniature oil press of the present invention, the setting of guide collar, entangles piston rod closely, and embedding " L " shapeAnnular gap, has good location, guiding, sealing function, and can effectively prevent oil leakage corrosion support set;
(3) a kind of Miniature oil press of the present invention, the mold of " ten " character form structure, the existing good fixed effect in top,Also detachable; Middle part embeds in the first rank groove of piston rod, also has the effect of location, guiding, can do with guide collar is collaborativeWith, improve location and the guide effect of whole device;
(4) a kind of Miniature oil press of the present invention, the setting of mold adapter sleeve, further improves the location of mold and leadsTo precision and fixed effect;
(5) a kind of Miniature oil press of the present invention, the setting of three sealing rings, in raising lower oil cavitie and oil pocket and support set itBetween sealing effectiveness;
(6) a kind of Miniature oil press of the present invention, the setting of unloading nib, facilitates the flexible dismounting of mold;
(7) a kind of Miniature oil press of the present invention, the setting of positioning port, the location punching press of material while being convenient to feed intake;
(8) a kind of Miniature oil press of the present invention, the setting of de-material mouth, material punching press enters after through hole B, owing to suddenly releasingPut circumferential pressure, under the effect of metal material toughness, can expand toward periphery, the limit of expansion is taken off a material mouthful edge and is blocked rear blanking;
(9) a kind of Miniature oil press of the present invention, deft design, low cost of manufacture, is very suitable for the punching of disc-shaped metalliferous materialBe pressed into the processing of round ware shape product.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is three blocks of plates, the four guide colume type hydraulic presses of prior art.
Number in the figure explanation: 1, support set; 2, upper cylinder; 3, bottom plate; 4, mold; 5, bed die; 6, onMould adapter sleeve; 11, dog-house; 21, piston; 22, guide collar; 23, upper oil-in; 24, piston rod; 25, under, enterHydraulic fluid port; 31, through hole B; 41, unload nib; 51, through hole A; 52, positioning port; 53, de-material mouthful; 212, the first sealing ring;221, the second sealing ring; 222, the 3rd sealing ring; 223, annular projection; 241, second-order groove.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the present invention is described in detail.
Embodiment 1
A kind of Miniature oil press of the present embodiment, specification is Φ 200*400mm, comprises upper cylinder 2 and bottom plate 3, also bagDraw together support set 1 and guide collar 22, described support set 1 is sleeve-like configuration; Described bottom plate 3 is cirque structure;Upper cylinder 2, support set 1 be identical with the outside diameter of bottom plate 3, coaxial line sets gradually from top to bottom, internal cavities connectsLogical and be fixedly connected into an overall structure with stay bolt, wherein: upper cylinder 2 internal cavities are provided with piston 21, piston 21Top be that piston head, bottom are piston rod 24, upper cylinder 2 avris are provided with the upper oil-in 23 communicating with its internal cavitiesWith lower oil-in 25, upper oil-in 23 at piston head with the cavity setting below piston head of upper plenum, lower oil-in 25; PistonThe bottom of bar 24 is provided with the cascade groove that cross section is down " T " font, and wherein second-order groove 241 is provided with internal thread;Described mold 4 is " ten " character form structure, and external screw thread is arranged at top, and the middle left and right bossing of mold 4 embeds pistonIn the first rank groove of bar 24, top rotates by external screw thread in the second-order groove 241 that is fixed on piston rod 24; DescribedSupport set 1 middle part offers the square dog-house 11 that horizontal direction runs through support set 1, and lower end is provided with circular cascade groove;Described bottom plate 3 upper ends are detachably provided with circular bed die 5; Bed die 5 is embedded in circular rank, support set 1 lower endIn scalariform groove; Bed die 5 centers are provided with the suitable through hole A51 of lower partial shape of shape and mold 4; At thisIn embodiment, the lower partial shape of described mold 4 is cylindrical, and suitable with the through hole A51 of bed die 5, through holeThe top of A51 is also provided with circular stair-stepping positioning port 52; Described bottom plate 3 inner circles are through hole B31; Described is logicalThe diameter of hole A51 is less than the diameter of through hole B31, and two through hole junction forms circular stair-stepping de-material mouth 53; Described guidingCircle 22 is bottom the annular sleeve-like structure of annular projection 223; Also there is circular cascade groove described support set 1 upper surface, itsOutside diameter is greater than the diameter of the circular cavity of upper cylinder 2, and described piston rod 24 bottoms extend in support set 1, dog-houseMore than 11 positions, like this, has up formed in the periphery of piston rod 24, the circular cascade groove of support set 1 upper surfaceCross section L-shaped " L " mouth annular gap outwardly, described guide collar 22 is agreed with and is embedded in lower oil-in cutting below 25In the L-shaped annular gap of face; Described piston head periphery is provided with the first sealing ring 212; In described guide collar 22Portion neighboring is provided with the second sealing ring 221, middle inner headed face is provided with the 3rd sealing ring 222.
A kind of Miniature oil press of the present embodiment is in the time of concrete use, and the circular dishware of processing cast steel matter, by disc cast steel pledgeMaterial is inserted in positioning port 52, starts the oil pressure pump that connects oil-in 23 and lower oil-in 25 by pipeline, and hydraulic oil first passes throughUpper oil-in 23 enters upper cylinder 2, promotes piston 21 and down moves, and piston 21 drives down motion punching press location of mold 4Material in mouth 52, after punching press, enters through hole A51, the circular vessel of product, and along with mold 4 continues down to move, whenRush to through hole B31, because through hole B31 diameter is greater than the diameter of through hole A51, the pressure that material is subject to discharges suddenly, circleThe periphery of vessel can produce slight expansion, and now, control system is closed oil-in 23, opens lower oil-in 25 thereupon, onMould 4 up moves, and when drive is attached to circular dishware on mold 4 also up time, de-material mouthfuls 53 blocks circular dishwareEdge, drops on circular dishware gear in through hole B31, and under Action of Gravity Field, drops and establish in the Miniature oil press bottom of the present embodimentIn the holding tank of putting, a circular dishware machines, and repeats above action, until the product of one batch of processing machines.
A kind of Miniature oil press of the present embodiment, because mold 4 and bed die 5 are all detachable, if need to produce otherWhen the product of specification, need to be only the mould of supporting other specification by these two die changes. Through practice test, this1000 products of a kind of Miniature oil press processing of embodiment, mould is completely harmless, and the product of production after testing, has height oneCausing property and stability, and accuracy is high, without substandard products, and with the traditional oils press of three blocks of plates of prior art, four guide pillars produce withType just occur with 1000 of the circular dishwares of specification 12 of the substandard products that degree is different, and mold and bed die are obviousDamage, illustrate its be not suitable for produce this series products.
Embodiment 2
A kind of Miniature oil press of the present embodiment, concrete structure is substantially with embodiment 1, and difference is: described mold 4Also be fixedly connected with by mold adapter sleeve 6 with piston rod 24; The neighboring, bottom of piston rod 24 is provided with external screw thread; DescribedMold adapter sleeve 6 be bottom and have through hole, cross section for " L " shape " L " mouth annular step scalariform structure inwardly, at mold" L " shape top inner headed face of adapter sleeve 6 arranges internal thread, and connects with the external screw thread rotation that piston rod 24 neighborings, bottom arrangeConnect fixing; Described mold 4 bottoms are also provided with unloads nib 41.
A kind of Miniature oil press of the present embodiment, the setting of mold adapter sleeve 6, the location of further having improved mold 4With guiding accuracy and fixed effect; Unload the setting of nib, facilitated the flexible dismounting of mold 4.
Through practice test, 3000 products of a kind of Miniature oil press processing of the present embodiment, mould is completely harmless, the product of productionProduct after testing, have high consistency and stability, and accuracy is high, without substandard products.
Embodiment 3
A kind of Miniature oil press of the present embodiment, concrete structure is substantially with embodiment 1, and difference is: under mold 4Part is abnormity, and the shape of through hole A51 is suitable with it.
A kind of Miniature oil press of the present embodiment, can processing profiled cast steel matter vessel, and application process is with embodiment 1.
Illustrate by embodiment 3, the present invention is by replacing with mould 4 and bed die 5 can be produced the vessel of various shapes.
Below schematically the invention and embodiment thereof are described, actual technical scheme is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from this creation aim, without creationaryDesign the embodiment similar to this technical scheme, all should belong to the protection domain of this patent.
Claims (5)
1. a Miniature oil press, comprises upper cylinder (2) and bottom plate (3), it is characterized in that: also comprise support set (1)And guide collar (22), described support set (1) is sleeve-like configuration; Described bottom plate (3) is cirque structure; OnOil cylinder (2), support set (1) be identical with the outside diameter of bottom plate (3), from top to bottom coaxial line set gradually, insideCavity is communicated with and is fixedly connected into an overall structure, wherein:
Described upper cylinder (2) internal cavities is provided with piston (21), and the top of piston (21) is that piston head, bottom are for livingStopper rod (24), upper cylinder (2) avris is provided with the upper oil-in (23) and the lower oil-in (25) that communicate with its internal cavities,Upper oil-in (23) at piston head with upper plenum, lower oil-in (25) cavity setting below piston head; Piston rod (24)Lower end is detachably provided with mold (4); Described guide collar (22) is bottom the annular sleeve-like structure of annular projection (223);Also there is circular cascade groove described support set (1) upper surface, and its outside diameter is greater than the circular cavity of upper cylinder (2)Diameter, described piston rod (24) bottom extends in support set (1), the above position of dog-house (11), like this,The periphery of piston rod (24), the circular cascade groove of support set (1) upper surface have up formed cross section L-shaped " L "Mouth annular gap outwardly, it is L-shaped that described guide collar (22) is agreed with the cross section being embedded in below lower oil-in (25)In annular gap;
Described support set (1) middle part offers the square dog-house (11) that horizontal direction runs through support set (1), and establish lower endBe equipped with circular cascade groove;
Described mold (4) bottom is provided with unloads nib (41);
Described bottom plate (3) upper end is detachably provided with circular bed die (5); Bed die (5) is embedded in support set(1) in the circular cascade groove in lower end; Bed die (5) center is provided with the lower partial shape phase of shape and mold (4)Adaptive through hole A (51); Bottom plate (3) inner circle is through hole B (31); The through hole A (51) of described bed die (5)Top be provided with stair-stepping positioning port (52).
2. a kind of Miniature oil press according to claim 1, is characterized in that: establish the bottom of described piston rod (24)Be equipped with the cascade groove that cross section is down " T " font, wherein second-order groove (241) is provided with internal thread; Described patrixTool (4) is " ten " character form structure, and external screw thread is arranged at top, and the middle left and right bossing of mold (4) embeds piston rod (24)The first rank groove in, top rotates in the second-order groove (241) that is fixed on piston rod (24) by external screw thread.
3. a kind of Miniature oil press according to claim 2, is characterized in that: described mold (4) and piston rod(24) be also fixedly connected with by mold adapter sleeve (6); The neighboring, bottom of piston rod (24) is provided with external screw thread; DescribedMold adapter sleeve (6) be bottom and have through hole, cross section for " L " shape " L " mouth annular step scalariform structure inwardly, upper" L " shape top inner headed face of mould adapter sleeve (6) arranges internal thread, and with neighboring, piston rod (24) bottom arrange outsideScrew thread rotation is connected and fixed.
4. a kind of Miniature oil press according to claim 2, is characterized in that: described piston head periphery is provided with firstSealing ring (212); Described guide collar (22) upper-outer circumference is provided with the second sealing ring (221), middle inner headed face settingThere is the 3rd sealing ring (222).
5. a kind of Miniature oil press of stating according to claim 4, is characterized in that: described through hole A (51) maximum straightFootpath is less than the diameter of through hole B (31), and two through hole junction forms stair-stepping de-material mouth (53).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023246.5A CN104527113B (en) | 2015-01-16 | 2015-01-16 | A kind of Miniature oil press |
| CN201511004959.3A CN105479789B (en) | 2015-01-16 | 2015-01-16 | A kind of processing method of cast steel matter vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023246.5A CN104527113B (en) | 2015-01-16 | 2015-01-16 | A kind of Miniature oil press |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511004959.3A Division CN105479789B (en) | 2015-01-16 | 2015-01-16 | A kind of processing method of cast steel matter vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104527113A CN104527113A (en) | 2015-04-22 |
| CN104527113B true CN104527113B (en) | 2016-05-04 |
Family
ID=52842833
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511004959.3A Active CN105479789B (en) | 2015-01-16 | 2015-01-16 | A kind of processing method of cast steel matter vessel |
| CN201510023246.5A Active CN104527113B (en) | 2015-01-16 | 2015-01-16 | A kind of Miniature oil press |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511004959.3A Active CN105479789B (en) | 2015-01-16 | 2015-01-16 | A kind of processing method of cast steel matter vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105479789B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390335A (en) * | 1982-02-23 | 1983-06-28 | Ptx-Pentronix, Inc. | Die, punch and core rod assembly for compacting powder material |
| IT1304164B1 (en) * | 1998-12-14 | 2001-03-08 | Cannon Spa | SYSTEM TO COMPENSATE THE DEFORMATIONS IN FRAMES OF PRESSES WITHOUT COLUMNS. |
| CN2887587Y (en) * | 2005-12-28 | 2007-04-11 | 王志军 | Hydraulic ground anchor production device |
| CN202031907U (en) * | 2011-02-25 | 2011-11-09 | 合肥合锻机床股份有限公司 | Oil cylinder of a medium-small hydraulic press |
| CN202071390U (en) * | 2011-04-20 | 2011-12-14 | 徐州压力机械有限公司 | Clamping and lifting device for movable operation table of hydraulic machine |
| CN203496310U (en) * | 2013-08-28 | 2014-03-26 | 河南奥科新能源发展有限公司 | Die for biomass forming fuel compact forming machine |
| CN203917710U (en) * | 2014-04-15 | 2014-11-05 | 浙江宇泰精密机械有限公司 | A kind of punch press that separates |
| CN203994768U (en) * | 2014-06-17 | 2014-12-10 | 张科 | A kind of open-type inclinable press |
| CN204414626U (en) * | 2015-01-16 | 2015-06-24 | 马鞍山市润玛机械制造有限公司 | A kind of Miniature oil press |
-
2015
- 2015-01-16 CN CN201511004959.3A patent/CN105479789B/en active Active
- 2015-01-16 CN CN201510023246.5A patent/CN104527113B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105479789B (en) | 2017-04-05 |
| CN105479789A (en) | 2016-04-13 |
| CN104527113A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204430270U (en) | The close pressure all-in-one of a kind of metal dust | |
| CN104527113B (en) | A kind of Miniature oil press | |
| CN204414626U (en) | A kind of Miniature oil press | |
| CN104647670A (en) | Low-pressure assembling and high-pressure molding device for lid maker | |
| CN202356620U (en) | Difunctional mould base of automatic hydraulic press for forming magnetic dry powder | |
| CN202097812U (en) | Internal pressure isostatic pressing forming die for ceramic plate | |
| CN100496938C (en) | Lower mould assembly for plastic bottle cover mould pressing machine | |
| CN103851236A (en) | Material-injection one-way valve for molding of permanent magnetic ferrite | |
| CN204253494U (en) | High speed and high pressure injection machine die cylinder | |
| CN202006560U (en) | Gate type plastic bicolor die | |
| CN201632615U (en) | Split-type centrifugal casting mold of cylinder liner blank | |
| CN204152890U (en) | A kind of novel retractable plunger piston fluid pressure cylinder | |
| CN112519158A (en) | Injection molding machine clamping cylinder structure | |
| CN203766087U (en) | Four corner leveling device of novel fast hydraulic machine | |
| CN106945323B (en) | A kind of efficient metal powder hydraulic press | |
| CN205244005U (en) | Balance cylinder | |
| CN105478817A (en) | Tool bit mechanism of numerical control equipment | |
| CN206501319U (en) | A kind of vulcanization of rubber mould | |
| CN203357948U (en) | Oil press die punch lifter and oil press die | |
| CN203994491U (en) | A kind of plastic lining magnetic drive pump pump case mould | |
| CN210566579U (en) | Hydraulic die sealing valve | |
| CN203888114U (en) | Compression molding device | |
| CN203945667U (en) | Twin-core cylinder hydraulic arm | |
| CN211467368U (en) | Injection molding machine clamping cylinder structure | |
| WO2018152958A1 (en) | Batch-oriented efficient brick forming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |