CN204414626U - A kind of Miniature oil press - Google Patents
A kind of Miniature oil press Download PDFInfo
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- CN204414626U CN204414626U CN201520032073.9U CN201520032073U CN204414626U CN 204414626 U CN204414626 U CN 204414626U CN 201520032073 U CN201520032073 U CN 201520032073U CN 204414626 U CN204414626 U CN 204414626U
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- support set
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- oil press
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Abstract
The utility model discloses a kind of Miniature oil press, belong to hydraulic machinery field.A kind of Miniature oil press of the present utility model, comprises upper cylinder and bottom plate, also comprises support set, and support set is sleeve-like configuration; Bottom plate is cirque structure; Upper cylinder, support set be identical with the outside diameter of bottom plate, 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 piston head, bottom is piston rod; Piston-rod lower end is detachably provided with mold; The square dog-house that horizontal direction runs through support set is offered in the middle part of support set; Bottom plate upper end is detachably provided with the bed die of annular; Support set lower end is provided with circular shape shape groove and in mating connection with the cylindrical of bed die.The utility model is high due to guiding accuracy, can ensure the dimensional accuracy of pressing component, in finding compacting, especially has unique technical advantage, have 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 transmitting the working media of power, be widely used in the pressing process of plastic material, as punching press, bending, alignment, the manufacturing process such as to press-fit.Existing hydraulic press is primarily of main frame and actuating unit two large divisions composition.Hydraulic press host machine part comprises fuselage, master cylinder and charging device etc.Actuating unit is made up of fuel tank, high-pressure pump, low voltage control system, motor and various pressure valve and direction valve etc.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, portable plate is also had between upper bottom plate, portable plate is equipped with mold, and bed die is contained between portable plate and fixed head, is positioned mould by portable plate and fixed head; Piston is placed in oil cylinder, piston in running, piston rod drive portable plate and on mold move up and down punching press bed die, thus complete the compacting of mould.But this kind of hydraulic press volume be large, make trouble, cost of manufacture is high, the location of mould is accurate not, causes precision not high, is applied to the Miniature oil press higher to required precision, can produce a very large impact the life-span of mould, also reduce the precision of the product that hydraulic press is produced itself simultaneously.
Chinese Patent Application No.: 201120048795.5, the oil cylinder that patent document discloses a kind of medium-small hydraulic press of publication date 2011.11.09.This utility model comprises cylinder body, piston rod and fairlead, wherein, cylinder body is provided with through hole, and one end of through hole is provided with cylinder bottom close-fitting with it, and the other end of through hole is provided with fairlead; The seal chamber that cylinder body, cylinder bottom and fairlead surround through fairlead, and is divided into upper cavity and lower chamber by piston rod, cylinder body is provided with the epicoele oil-in be connected with upper cavity and the cavity of resorption oil-in be connected with lower chamber; The outer wall of cylinder body is provided with external screw thread.In this utility model, oil cylinder is resolved into multiple part, and cylinder body is designed to shape of through holes, add and only need process single part man-hour, and overall need not carry out processing the difficulty of processing because this reducing oil cylinder, adopt conventional equipment also can complete the processing of oil cylinder smoothly.After all parts machine, then by multiple part overall package.The technique that complicates is simple process, reduces difficulty of processing, saves material.This utility model solves the packing problem of the oil cylinder of hydraulic press, does not solve small hydraulic machine upper/lower die and locates coarse problem.
Summary of the invention
1. the technical problem that will solve
Large for the hydraulic press volume existed in prior art, cost of manufacture is high, the problem that Product Precision is poor, die wear is serious is inaccurately caused in mould location, the invention provides a kind of Miniature oil press.It can realize that cost of manufacture is low, high, the mould accurate positioning of Product Precision that makes, the object that can improve again die life, and be 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, comprise upper cylinder and bottom plate, also comprise support set, described support set is sleeve-like configuration; Described bottom plate is cirque structure; Upper cylinder, support set be identical with the outside diameter of bottom plate, coaxial line sets gradually from top to bottom, internal cavities is communicated with and is fixedly connected into an overall structure, wherein: described upper cylinder internal cavities is provided with piston, the top of piston is piston head, bottom is piston rod, upper cylinder avris is provided with the upper oil-in and lower oil-in that communicate with its internal cavities, presents oil-in and arranges at the following cavity of piston head with upper plenum, lower oil-in at piston head; Piston-rod lower end is detachably provided with mold; Offer the square dog-house that horizontal direction runs through support set in the middle part of described support set, lower end is provided with circular shape shape groove; Described bottom plate upper end is detachably provided with circular bed die; Bed die is embedded in the circular shape shape groove of support set lower end; Bed die center is provided with the suitable through hole A of the lower part shape of shape and mold; Bottom plate inner circle is through hole B.
Preferably, also guide collar is comprised; Described guide collar is that annular projection annular sleeve-like structure is arranged at bottom; Also there is circular shape shape groove described support set upper surface, its outside diameter is greater than the diameter of the circular cavity of upper cylinder, described piston rod bottom extends to the position in support set, more than dog-house, like this, up define L-shaped " L " mouth annular gap outwardly, cross section at the periphery of piston rod, the circular shape shape groove of support set upper surface, described guide collar is agreed with in L-shaped annular gap, the cross section that is embedded in below lower oil-in.
Preferably, the bottom of described piston rod is provided with the cascade groove that cross section is " T " font, and wherein second-order groove is provided with internal thread; Described mold is in " ten " character form structure, and external screw thread is arranged at top, and the middle left and right bossing of mold embeds in the first rank groove of piston rod, and top is rotated by external screw thread and is fixed in the second-order groove of piston rod.
Preferably, described mold and piston rod are also fixedly connected with by mold adapter sleeve; The bottom outer periphery of piston rod is provided with external screw thread; Described mold adapter sleeve is that through hole is arranged at bottom, cross section is " L " shape " L " mouth annular step ladder-shaper structure inwardly, internal thread is set at " L " shape top inner headed face of mold adapter sleeve, and rotates with the external screw thread that piston rod bottom outer periphery is arranged and be connected and fixed.
Preferably, described piston head periphery is provided with the first sealing ring; Described guide collar upper-outer circumference is provided with the second sealing ring, middle inner headed face is provided with the 3rd sealing ring.
Preferably, described mold bottom is provided with 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 mouth.
3. beneficial effect
Compared to prior art, the invention has the advantages that:
(1) a kind of Miniature oil press of the present invention, abandon the bulky structure of the typical three blocks of plates of traditional oils press, four guide pillars, reduce manufacturing cost, centre support set and upper cylinder are fixedly connected with bottom plate, instead of three blocks of plates and four guide pillars of prior art; Dog-house is arranged in support set, piston-rod lower end is detachably provided with mold, fixed head upper end is detachably provided with bed die, compact conformation, fixing, location and guide effect good, have that precision is high, the advantage of working stability, overcome traditional oils press causes mould damage by the accuracy of manufacture affects, thus extend the precision of mold use life-span and making product;
(2) a kind of Miniature oil press of the present invention, the setting of guide collar, entangles piston rod closely, and embeds the annular gap of " L " shape, has good location, guiding, sealing function, and can effectively prevent oil from revealing corrosion resistant support cover;
(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 act synergistically, improve location and the guide effect of whole device with guide collar;
(4) a kind of Miniature oil press of the present invention, the setting of mold adapter sleeve, further improves the location of mold and guiding accuracy and fixed effect;
(5) a kind of Miniature oil press of the present invention, the setting of three sealing rings, lower oil cavitie and the sealing effectiveness between oil pocket and support set in raising;
(6) a kind of Miniature oil press of the present invention, unloads the setting of nib, expediently the flexible dismounting of mould;
(7) a kind of Miniature oil press of the present invention, the setting of positioning port, the location punching press of material when being convenient to feed intake;
(8) a kind of Miniature oil press of the present invention, the setting of de-material mouth, after material punching press enters through hole B, owing to suddenly discharging circumferential pressure, under the effect of metal material toughness, can expand toward periphery, and the limit of expansion is taken off material mouth edge and blocks rear blanking;
(9) a kind of Miniature oil press of the present invention, deft design, low cost of manufacture, is very suitable for the processing that disc-shaped metalliferous material strikes out round ware shape product.
Accompanying drawing explanation
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 illustrates: 1, support set; 2, upper cylinder; 3, bottom plate; 4, mold; 5, bed die; 6, mold adapter sleeve; 11, dog-house; 21, piston; 22, guide collar; 23, upper oil-in; 24, piston rod; 25, lower oil-in; 31, through hole B; 41, nib is unloaded; 51, through hole A; 52, positioning port; 53, de-material mouth; 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 ￠ 200*400mm, comprises upper cylinder 2 and bottom plate 3, also comprises support set 1 and guide collar 22, and described support set 1 is in sleeve-like configuration; Described bottom plate 3 is in 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 is communicated with and is fixedly connected into an overall structure with stay bolt, wherein: upper cylinder 2 internal cavities is provided with piston 21, the top of piston 21 is piston head, bottom is piston rod 24, upper cylinder 2 avris is provided with the upper oil-in 23 and lower oil-in 25 that communicate with its internal cavities, presents oil-in 23 and arranges at the following cavity of piston head with upper plenum, lower oil-in 25 at piston head; The bottom of piston rod 24 is provided with the cascade groove that cross section is " T " font, and wherein second-order groove 241 is provided with internal thread; Described mold 4 is in " ten " character form structure, and external screw thread is arranged at top, and the middle left and right bossing of mold 4 embeds in the first rank groove of piston rod 24, and top is rotated by external screw thread and is fixed in the second-order groove 241 of piston rod 24; Offer the square dog-house 11 that horizontal direction runs through support set 1 in the middle part of described support set 1, lower end is provided with circular shape shape groove; Described bottom plate 3 upper end is detachably provided with circular bed die 5; Bed die 5 is embedded in the circular shape shape groove of support set 1 lower end; Bed die 5 center is provided with the suitable through hole A51 of the lower part shape of shape and mold 4; In the present embodiment, the lower part shape of described mold 4 is cylindrical, and suitable with the through hole A51 of bed die 5, and the top of through hole A51 is also provided with the positioning port 52 of circular shape shape; Described bottom plate 3 inner circle is through hole B31; The diameter of described through hole A51 is less than the diameter of through hole B31, and two through hole junction forms the de-material mouth 53 of circular shape shape; Described guide collar 22 has the annular sleeve-like structure of annular projection 223 in bottom; Also there is circular shape shape groove described support set 1 upper surface, its outside diameter is greater than the diameter of the circular cavity of upper cylinder 2, described piston rod 24 bottom extends in support set 1, the position of dog-house more than 11, like this, up define L-shaped " L " mouth annular gap outwardly, cross section at the periphery of piston rod 24, the circular shape shape groove of support set 1 upper surface, described guide collar 22 is agreed with in L-shaped annular gap, the cross section that is embedded in lower oil-in less than 25; Described piston head periphery is provided with the first sealing ring 212; Described guide collar 22 upper-outer circumference 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 when specifically using, the circular dishware of processing cast steel matter, disc cast steel pledge material is inserted in positioning port 52, start the oil pressure pump being connected upper oil-in 23 and lower oil-in 25 by pipeline, hydraulic oil first enters upper cylinder 2 by upper oil-in 23, promote piston 21 down to move, piston 21 drives the material of mold 4 down in motion punching press positioning port 52, after punching press, enter through hole A51, the circular vessel of product, along with mold 4 continues down to move, when punching is 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, the periphery of circular dishware can produce slight expansion, now, control system closes upper oil-in 23, open lower oil-in 25 thereupon, mold 4 up runs, when drive be attached to circular dishware on mold 4 also up time, de-material mouth 53 blocks the edge of circular dishware, circular dishware gear is dropped in through hole B31, and drop under gravity in the holding tank that the Miniature oil press bottom of the present embodiment is arranged, a circular dishware machines, repeat above action, until the Product processing of processing one batch completes.
A kind of Miniature oil press of the present embodiment, because mold 4 and bed die 5 are all detachable, if when needing the product producing other specification, only needing is the mould of other supporting specification by these two die changes.Through Practical experiments, a kind of Miniature oil press of the present embodiment processes 1000 products, mould is completely harmless, and the product of production after testing, has high consistency and stability, and accuracy is high, without substandard products, and just there are with three blocks of plates of prior art, the traditional oils press production same kind of four guide pillars and the circular dishware 1000 of specification the substandard products 12 that degree is different, and, mold and bed die are significantly damaged, and illustrate that it is not suitable for and 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 4 is also fixedly connected with by mold adapter sleeve 6 with piston rod 24; The bottom outer periphery of piston rod 24 is provided with external screw thread; Described mold adapter sleeve 6 is in through hole is arranged at bottom, cross section is " L " shape " L " mouth annular step ladder-shaper structure inwardly, internal thread is set at " L " shape top inner headed face of mold adapter sleeve 6, and rotates with the external screw thread that piston rod 24 bottom outer periphery is arranged and be connected and fixed; Described mold 4 bottom is also provided with unloads nib 41.
A kind of Miniature oil press of the present embodiment, the setting of mold adapter sleeve 6, further improves the location of mold 4 and guiding accuracy and fixed effect; Unload the setting of nib, facilitate the flexible dismounting of mold 4.
Through Practical experiments, a kind of Miniature oil press of the present embodiment processes 3000 products, and mould is completely harmless, and the product of production 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: the bottom of mold 4 is divided into 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.
Illustrated by embodiment 3, the present invention can produce the vessel of various shape by replacing with mould 4 and bed die 5.
Below be schematically described the invention and embodiment thereof, actual technical scheme is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from this creation aim, designing the embodiment similar to this technical scheme without creationary, the protection domain of this patent all should be belonged to.
Claims (8)
1. a Miniature oil press, comprises upper cylinder (2) and bottom plate (3), it is characterized in that: also comprise support set (1), and described support set (1) is in sleeve-like configuration; Described bottom plate (3) is in 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 is communicated with and is fixedly connected into an overall structure, wherein:
Described upper cylinder (2) internal cavities is provided with piston (21), the top of piston (21) is piston head, bottom is piston rod (24), upper cylinder (2) avris is provided with the upper oil-in (23) and lower oil-in (25) that communicate with its internal cavities, presents oil-in (23) and arranges at the following cavity of piston head with upper plenum, lower oil-in (25) at piston head; Piston rod (24) lower end is detachably provided with mold (4);
Described support 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 shape shape groove;
Described bottom plate (3) upper end is detachably provided with circular bed die (5); Bed die (5) is embedded in the circular shape shape groove of support set (1) lower end; Bed die (5) center is provided with the suitable through hole A (51) of the lower part shape of shape and mold (4); Bottom plate (3) inner circle is through hole B (31).
2. a kind of Miniature oil press according to claim 1, is characterized in that: also comprise guide collar (22), described guide collar (22) has annular projection (223) annular sleeve-like structure in bottom, also there is circular shape shape groove described support set (1) upper surface, its outside diameter is greater than the diameter of the circular cavity of upper cylinder (2), described piston rod (24) bottom extends in support set (1), position more than dog-house (11), like this, at the periphery of piston rod (24), the circular shape shape groove of support set (1) upper surface up defines L-shaped " L " mouth annular gap outwardly, cross section, described guide collar (22) is agreed with and is embedded in L-shaped annular gap, lower oil-in (25) cross section below.
3. a kind of Miniature oil press according to claim 1 and 2, it is characterized in that: the bottom of described piston rod (24) is provided with the cascade groove that cross section is " T " font, and wherein second-order groove (241) is provided with internal thread; Described mold (4) is in " ten " character form structure, external screw thread is arranged at top, the middle left and right bossing of mold (4) embeds in the first rank groove of piston rod (24), and top is rotated by external screw thread and is fixed in the second-order groove (241) of piston rod (24).
4. a kind of Miniature oil press according to claim 3, is characterized in that: described mold (4) and piston rod (24) are also fixedly connected with by mold adapter sleeve (6); The bottom outer periphery of piston rod (24) is provided with external screw thread; Described mold adapter sleeve (6) has through hole in bottom, cross section is " L " shape " L " mouth annular step ladder-shaper structure inwardly, internal thread is set at " L " shape top inner headed face of mold adapter sleeve (6), and rotates with the external screw thread that piston rod (24) bottom outer periphery is arranged and be connected and fixed.
5. a kind of Miniature oil press according to claim 3, is characterized in that: described piston head periphery is provided with the first sealing ring (212); Described guide collar (22) upper-outer circumference is provided with the second sealing ring (221), middle inner headed face is provided with the 3rd sealing ring (222).
6. a kind of Miniature oil press according to claim 5, is characterized in that: described mold (4) bottom is provided with unloads nib (41).
7. a kind of Miniature oil press according to claim 5, is characterized in that: the top of the through hole A (51) of described bed die (5) is provided with stair-stepping positioning port (52).
8. according to a kind of Miniature oil press that claim 7 is stated, it is characterized in that: the diameter of described through hole A (51) maximum is less than the diameter of through hole B (31), two through hole junction forms stair-stepping de-material mouth (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520032073.9U CN204414626U (en) | 2015-01-16 | 2015-01-16 | A kind of Miniature oil press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520032073.9U CN204414626U (en) | 2015-01-16 | 2015-01-16 | A kind of Miniature oil press |
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| Publication Number | Publication Date |
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| CN204414626U true CN204414626U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520032073.9U Expired - Fee Related CN204414626U (en) | 2015-01-16 | 2015-01-16 | A kind of Miniature oil press |
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| CN (1) | CN204414626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527113A (en) * | 2015-01-16 | 2015-04-22 | 马鞍山市润玛机械制造有限公司 | Small hydraulic press |
-
2015
- 2015-01-16 CN CN201520032073.9U patent/CN204414626U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527113A (en) * | 2015-01-16 | 2015-04-22 | 马鞍山市润玛机械制造有限公司 | Small hydraulic press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20170116 |