CN111497300A - Hydraulic machine with embedded sealing device - Google Patents
Hydraulic machine with embedded sealing device Download PDFInfo
- Publication number
- CN111497300A CN111497300A CN202010234370.7A CN202010234370A CN111497300A CN 111497300 A CN111497300 A CN 111497300A CN 202010234370 A CN202010234370 A CN 202010234370A CN 111497300 A CN111497300 A CN 111497300A
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- CN
- China
- Prior art keywords
- lantern ring
- sealing
- hydraulic
- embedded
- sealing mechanism
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0052—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for fluid driven presses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/56—Other sealings for reciprocating rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
Abstract
The invention provides a hydraulic machine with an embedded sealing device, which comprises a hydraulic cylinder, an upper top plate, an upper pressure plate and a lower pressure plate, wherein four corner positions at the bottom of the upper top plate penetrate through the four corner positions of the upper pressure plate through support rods and are connected to the four corner positions at the top of the lower pressure plate, the support rods are in sliding connection with the upper pressure plate, and the hydraulic cylinder is fixed at the middle position of the top of the upper top plate. According to the hydraulic press, the supporting rod slides in the upper pressing plate, the sealing rings and the balls are arranged in the inner chute of the upper pressing plate and positioned on the outer side of the supporting rod, the sealing rings are arranged at the upper end and the lower end of the chute in the upper pressing plate, the balls are arranged between the upper sealing ring and the lower sealing ring, the sealing performance between the upper pressing plate and the supporting rod can be guaranteed by the upper sealing ring and the lower sealing ring, the friction force between the supporting rod and the upper pressing plate can be reduced by the arrangement of the balls, and the phenomenon that the supporting rod and the upper pressing plate.
Description
Technical Field
The invention relates to the field of hydraulic presses, in particular to a hydraulic press with an embedded sealing device.
Background
A hydraulic machine is a machine for transferring energy to carry out various processes, made according to the pascal principle, using a liquid as working medium. The hydraulic machine is generally composed of three parts of a machine (main machine), a power system and a hydraulic control system. The hydraulic machine is classified into a valve hydraulic machine, a liquid hydraulic machine and an engineering hydraulic machine.
A hydraulic machine (also known as oil press) is a machine for processing products such as metal, plastic, rubber, wood, powder and the like by utilizing hydrostatic pressure. It is commonly used in press processes and press forming processes, such as: forging, stamping, cold extruding, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting and the like.
However, the hydraulic press is used for a long time, a certain friction is generated between the supporting rod and the upper pressing plate, and the supporting rod and the upper pressing plate are loosened after the hydraulic press is used for a long time, so that the upper pressing plate is damaged, the use of the hydraulic press is further influenced, the service life of the hydraulic press is further influenced, and meanwhile, the friction problem also exists between the hydraulic rod and the upper top plate in the hydraulic press, so that the hydraulic press with the embedded sealing device is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a hydraulic machine with an embedded sealing device to solve the technical problem.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a take embedded sealing device's hydraulic press, includes hydraulic cylinder, goes up roof, top board and holding down plate, its characterized in that: four corner positions at the bottom of the upper top plate penetrate through four corner positions of the upper pressure plate through support rods and are connected to four corner positions at the top of the lower pressure plate, the support rods are connected with the upper pressure plate in a sliding mode, a hydraulic cylinder is fixed in the middle of the top of the upper top plate, the bottom of the hydraulic cylinder penetrates through the upper top plate through the hydraulic rods and is connected to one end of an extrusion rod through an upper connecting sleeve ring, and the other end of the extrusion rod is connected to the top of the upper pressure plate through a lower fixing flange;
a first embedded sealing mechanism and a second embedded sealing mechanism are arranged in the inner groove of the upper top plate and positioned on the outer side of the hydraulic rod, wherein the first embedded sealing mechanism is positioned below the second embedded sealing mechanism, the outer sides of the first embedded sealing mechanism and the second embedded sealing mechanism are both attached to the inner groove wall of the upper top plate, and the inner sides of the first embedded sealing mechanism and the second embedded sealing mechanism are both attached to the hydraulic rod;
the spout of through type is all seted up to four turning positions department of top board, and both ends all are provided with solid fixed ring about the spout outside, both ends all are provided with the sealing washer about the spout is inside, are provided with a plurality of balls between the sealing washer at both ends about wherein, the sealing washer is laminated mutually with the bracing piece, and is a plurality of the ball is laminated mutually with the bracing piece.
Preferably, the first in-line sealing mechanism and the second in-line sealing mechanism have the same structure.
Preferably, the embedded sealing mechanism of second includes the outer sealing lantern ring, the interior sealing lantern ring and the lower sealing lantern ring, first draw-in groove and second draw-in groove have been seted up on the interior sealing lantern ring, the inside of outer sealing lantern ring is provided with the outer card strip, the interior sealing lantern ring is embedded completely in the inside of outer sealing lantern ring, and wherein outer card strip is connected with the block of second draw-in groove, the lower sealing lantern ring sets up in the bottom of outer sealing lantern ring, and the top of lower sealing lantern ring is provided with the inner card strip, and wherein the inner card strip passes the outer sealing lantern ring and block is connected to in the first draw-in groove.
Preferably, the inside of interior card strip is provided with elastic steel plate, and elastic steel plate is the inside card strip that the annular set is inside.
Preferably, the four corner positions at the bottom of the lower pressing plate are all fixed with supporting legs.
Compared with the prior art, the hydraulic machine with the embedded sealing device has the following beneficial effects:
the invention provides a hydraulic machine with an embedded sealing device, which comprises a supporting rod, an upper pressure plate, a chute, a sealing ring and balls, wherein the supporting rod slides in the upper pressure plate, the sealing ring and the balls are arranged on the outer side of the supporting rod, the sealing ring is arranged at the upper end and the lower end of the chute in the upper pressure plate, the balls are arranged between the upper sealing ring and the lower sealing ring, the sealing performance between the upper pressure plate and the supporting rod can be ensured by the upper sealing ring and the lower sealing ring, the friction force between the supporting rod and the upper pressure plate can be reduced by the arrangement of the balls, the excessive friction between the supporting rod and the upper pressure plate is prevented from influencing the normal use of the hydraulic machine due to the long-term use of the hydraulic machine, secondly, the embedded sealing mechanism is arranged in the upper top plate and is arranged on the outer side of, simultaneously the lower sealing lantern ring is connected lower sealing lantern ring, inner sealing lantern ring and outer sealing lantern ring through interior card strip to guarantee the leakproofness between hydraulic stem and the last roof, the inside of the lower sealing lantern ring is provided with the elastic steel board simultaneously, can prevent that embedded sealing mechanism from warping, influences sealed effect, and then guarantees that sealing mechanism is stable for a long time, increases the life of hydraulic press.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic machine with an embedded sealing device according to the present invention;
FIG. 2 is a schematic view of the construction of the squeeze lever and hydraulic lever of the present invention;
FIG. 3 is a schematic view of the hydraulic rod of the present invention connected to the upper head plate;
FIG. 4 is a schematic view of the construction of the lower seal collar of the present invention;
FIG. 5 is a cross-sectional view of the upper platen of the present invention;
reference numerals: 1. a hydraulic cylinder; 2. an upper top plate; 3. an extrusion stem; 301. a lower fixed flange; 302. an upper connecting lantern ring; 303. a first in-line sealing mechanism; 304. a hydraulic lever; 305. a second in-line sealing mechanism; 3051. an outer sealing collar; 3052. a first card slot; 3053. an outer clamping strip; 3054. a second card slot; 3055. an inner sealing collar; 3056. an inner clamping strip; 3057. a lower seal collar; 3058. an elastic steel plate; 4. a support bar; 5. an upper pressure plate; 501. a fixing ring; 502. a seal ring; 503. a chute; 504. a ball bearing; 6. a lower pressing plate; 7. and (5) supporting legs.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
In the concrete implementation process, as shown in fig. 1, 2 and 5, the hydraulic machine with the embedded sealing device comprises a hydraulic cylinder 1, an upper top plate 2, an upper pressing plate 5 and a lower pressing plate 6, and is characterized in that: four corner positions at the bottom of the upper top plate 2 penetrate through four corner positions of an upper pressing plate 5 through supporting rods 4 and are connected to four corner positions at the top of a lower pressing plate 6, the supporting rods 4 are connected with the upper pressing plate 5 in a sliding mode, a hydraulic cylinder 1 is fixed at the middle position of the top of the upper top plate 2, the bottom of the hydraulic cylinder 1 penetrates through the upper top plate 2 through a hydraulic rod 304 and is connected to one end of an extrusion rod 3 through an upper connecting lantern ring 302, and the other end of the extrusion rod 3 is connected to the top of the upper pressing plate 5 through a lower fixing flange 301;
a first embedded sealing mechanism 303 and a second embedded sealing mechanism 305 are arranged in the inner groove of the upper top plate 2 and positioned at the outer side of the hydraulic rod 304, wherein the first embedded sealing mechanism 303 is positioned below the second embedded sealing mechanism 305, the outer sides of the first embedded sealing mechanism 303 and the second embedded sealing mechanism 305 are both attached to the inner groove wall of the upper top plate 2, and the inner sides are both attached to the hydraulic rod 304;
the through type sliding groove 503 is provided at four corner positions of the upper press plate 5, the outer upper end and the outer lower end of the sliding groove 503 are provided with fixing rings 501, the inner upper end and the outer lower end of the sliding groove 503 are provided with sealing rings 502, a plurality of balls 504 are arranged between the sealing rings 502 at the upper end and the lower end, the sealing rings 502 are attached to the support rod 4, and the plurality of balls 504 are attached to the support rod 4.
In one implementation, as shown in FIG. 2, the first in-line sealing mechanism 303 and the second in-line sealing mechanism 305 are identical in structure.
In a specific implementation process, as shown in fig. 3, the second embedded sealing mechanism 305 includes an outer sealing collar 3051, an inner sealing collar 3055 and a lower sealing collar 3057, the inner sealing collar 3055 is provided with a first clamping slot 3052 and a second clamping slot 3054, the outer sealing collar 3051 is provided with an outer bead 3053 inside, the inner sealing collar 3055 is completely embedded in the outer sealing collar 3051, the outer bead 3053 is engaged with the second clamping slot 3054, the lower sealing collar 3057 is provided at the bottom of the outer sealing collar 3051, and the inner bead 3056 is provided at the top of the lower sealing collar 3057, wherein the inner bead 3056 penetrates through the outer sealing collar 3051 and is engaged with the first clamping slot 3052.
In a specific implementation process, as shown in fig. 4, the elastic steel plate 3058 is disposed inside the inner gib 3056, and the elastic steel plate 3058 is disposed inside the inner gib 3056 in a ring shape.
In the specific implementation process, as shown in fig. 1, support legs 7 are fixed at four corner positions of the bottom of the lower pressing plate 6.
The working principle of the invention is as follows: firstly, a workpiece is placed between an upper pressing plate 5 and a lower pressing plate 6, then a hydraulic cylinder 1 is used for driving a hydraulic rod 304 to work, then an extrusion rod 3 is used for driving the upper pressing plate 5 to move up and down, when the upper pressing plate 5 moves down, the workpiece can be processed, in the using process, when the extrusion rod 3 drives the upper pressing plate 5 to move up and down on the outer side of a supporting rod 4, a sealing ring 502 in a sliding groove 503 can ensure the sealing between the supporting rod 4 and the upper pressing plate 5, a ball 504 in the sliding groove 503 can be used for reducing the friction force between the supporting rod 4 and the sliding groove 503, meanwhile, an inner sealing lantern ring 3055, an outer sealing lantern ring 3051 and a lower sealing lantern ring 3057 in an upper top plate 2 can ensure the sealing between the upper top plate 2 and the hydraulic rod 304, meanwhile, an inner clamping strip 6 is arranged on the lower sealing lantern ring 3057, the inner clamping strip 3056 penetrates through the outer sealing lantern ring 3051 and is, the inner bead 3056 can ensure stability among the inner sealing collar 3055, the outer sealing collar 3051 and the lower sealing collar 3057, and the elastic steel plate 3058 is arranged inside the inner bead 3056, so that deformation of the inner sealing collar 3055, the outer sealing collar 3051 and the lower sealing collar 3057 is prevented, and stability and sealing performance of the hydraulic valve body are ensured.
Compared with the prior art, the hydraulic machine with the embedded sealing device has the following beneficial effects:
firstly, the supporting rod 4 slides in the upper pressing plate 5, the sealing ring 502 and the ball 504 are arranged in the chute 503 in the upper pressing plate 5 and positioned outside the supporting rod 4, the sealing ring 502 is arranged at the upper end and the lower end of the chute 503 in the upper pressing plate 5, the ball 504 is arranged between the upper sealing ring 502 and the lower sealing ring 502, the upper sealing ring 502 and the lower sealing ring 502 can ensure the sealing performance between the upper pressing plate 5 and the supporting rod 4, the ball 504 is arranged to reduce the friction force between the supporting rod 4 and the upper pressing plate 5, so as to prevent the hydraulic machine from being used for a long time, causing excessive friction between the supporting rod 4 and the upper pressing plate 5 and influencing the normal use of the hydraulic machine, secondly, the embedded sealing mechanism is arranged in the upper top plate 2 and positioned outside the hydraulic rod 304, the embedded sealing mechanism comprises an inner sealing ring 3055, an outer sealing ring 3051 and a, and connect through outer card strip 3053 block, the sealed lantern ring 3057 is sealed the lantern ring 3057 down through interior card strip 3056 simultaneously, interior sealed lantern ring 3055 and outer sealed lantern ring 3051 are connected, thereby guarantee the leakproofness between hydraulic stem 304 and the last roof 2, the inside of sealed lantern ring 3057 is provided with elastic steel plate 3058 down simultaneously, can prevent that embedded sealing mechanism from warping, influence sealed effect, and then guarantee that sealing mechanism is stable for a long time, increase the life of hydraulic press.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a take embedded sealing device's hydraulic press, includes hydraulic cylinder (1), goes up roof (2), top board (5) and holding down plate (6), its characterized in that: four corner positions at the bottom of the upper top plate (2) penetrate through four corner positions of the upper pressing plate (5) through supporting rods (4) and are connected to four corner positions at the top of the lower pressing plate (6), the supporting rods (4) are in sliding connection with the upper pressing plate (5), a hydraulic cylinder (1) is fixed at the middle position of the top of the upper top plate (2), the bottom of the hydraulic cylinder (1) penetrates through the upper top plate (2) through a hydraulic rod (304) and is connected to one end of an extrusion rod (3) through an upper connecting lantern ring (302), and the other end of the extrusion rod (3) is connected to the top of the upper pressing plate (5) through a lower fixing flange (301);
a first embedded sealing mechanism (303) and a second embedded sealing mechanism (305) are arranged in the inner groove of the upper top plate (2) and positioned on the outer side of the hydraulic rod (304), wherein the first embedded sealing mechanism (303) is positioned below the second embedded sealing mechanism (305), the outer sides of the first embedded sealing mechanism (303) and the second embedded sealing mechanism (305) are both attached to the inner groove wall of the upper top plate (2), and the inner sides of the first embedded sealing mechanism (303) and the second embedded sealing mechanism (305) are both attached to the hydraulic rod (304);
run-through chutes (503) are all set up at four corner positions of the upper platen (5), and the outer upper and lower both ends of the chutes (503) are provided with fixing rings (501), sealing rings (502) are respectively arranged at the inner upper and lower both ends of the chutes (503), a plurality of balls (504) are arranged between the sealing rings (502) at the upper and lower both ends, the sealing rings (502) are attached to the support rod (4) and are a plurality of the balls (504) are attached to the support rod (4).
2. The hydraulic machine with an inline sealing device of claim 1, wherein: the first in-line sealing mechanism (303) and the second in-line sealing mechanism (305) are identical in structure.
3. The hydraulic machine with an inline sealing device of claim 2, wherein: the embedded sealing mechanism of second (305) includes the outer seal lantern ring (3051), the inner seal lantern ring (3055) and seals lantern ring (3057) down, first draw-in groove (3052) and second draw-in groove (3054) have been seted up on the inner seal lantern ring (3055), the inside of outer seal lantern ring (3051) is provided with outer card strip (3053), the inside of outer seal lantern ring (3051) is embedded completely in the inner seal lantern ring (3055), wherein outer card strip (3053) is connected with second draw-in groove (3054) block, lower seal lantern ring (3057) sets up the bottom in the outer seal lantern ring (3051), and the top of lower seal lantern ring (3057) is provided with inner card strip (3056), wherein inner card strip (3056) passes the outer seal lantern ring (3051) and block is connected to in first draw-in groove (3052).
4. The hydraulic machine with an inline sealing device of claim 2, wherein: the inside of interior card strip (3056) is provided with elastic steel plate (3058), and elastic steel plate (3058) is inside the annular setting of interior card strip (3056).
5. The hydraulic machine with an inline sealing device of claim 1, wherein: and supporting legs (7) are fixed at four corner positions at the bottom of the lower pressing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010234370.7A CN111497300A (en) | 2020-03-30 | 2020-03-30 | Hydraulic machine with embedded sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010234370.7A CN111497300A (en) | 2020-03-30 | 2020-03-30 | Hydraulic machine with embedded sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111497300A true CN111497300A (en) | 2020-08-07 |
Family
ID=71877914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010234370.7A Withdrawn CN111497300A (en) | 2020-03-30 | 2020-03-30 | Hydraulic machine with embedded sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111497300A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2423916A1 (en) * | 1974-05-16 | 1975-11-27 | Busak & Luyken Kg | Hydraulic piston seal with sealing lip - uses two identical knife edge seals to prevent leak oil losses |
| US3980309A (en) * | 1973-12-19 | 1976-09-14 | Jacques Dechavanne | Two-part scraper-type shaft-seal |
| CN1101406A (en) * | 1993-09-16 | 1995-04-12 | 约翰起重机有限公司 | Shaft seal |
| CN1853062A (en) * | 2003-09-16 | 2006-10-25 | Nok株式会社 | Sealing device for reciprocating shaft |
| CN201027980Y (en) * | 2007-02-14 | 2008-02-27 | 茂顺密封元件科技股份有限公司 | Sealing element |
| CN101379326A (en) * | 2006-02-06 | 2009-03-04 | Nok株式会社 | Oil seal |
| CN102367871A (en) * | 2011-09-22 | 2012-03-07 | 航天材料及工艺研究所 | Thin-wall flange tongue-and-groove dual-way seal structure of for complex working conditions and applications thereof |
| CN104220769A (en) * | 2012-03-15 | 2014-12-17 | Skf公司 | Rotary cartridge seal with internal face-sealing surfaces |
| CN108620495A (en) * | 2017-03-21 | 2018-10-09 | 卢婷 | A kind of high-precision metal forming hydraulic press |
-
2020
- 2020-03-30 CN CN202010234370.7A patent/CN111497300A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980309A (en) * | 1973-12-19 | 1976-09-14 | Jacques Dechavanne | Two-part scraper-type shaft-seal |
| DE2423916A1 (en) * | 1974-05-16 | 1975-11-27 | Busak & Luyken Kg | Hydraulic piston seal with sealing lip - uses two identical knife edge seals to prevent leak oil losses |
| CN1101406A (en) * | 1993-09-16 | 1995-04-12 | 约翰起重机有限公司 | Shaft seal |
| CN1853062A (en) * | 2003-09-16 | 2006-10-25 | Nok株式会社 | Sealing device for reciprocating shaft |
| CN101379326A (en) * | 2006-02-06 | 2009-03-04 | Nok株式会社 | Oil seal |
| CN201027980Y (en) * | 2007-02-14 | 2008-02-27 | 茂顺密封元件科技股份有限公司 | Sealing element |
| CN102367871A (en) * | 2011-09-22 | 2012-03-07 | 航天材料及工艺研究所 | Thin-wall flange tongue-and-groove dual-way seal structure of for complex working conditions and applications thereof |
| CN104220769A (en) * | 2012-03-15 | 2014-12-17 | Skf公司 | Rotary cartridge seal with internal face-sealing surfaces |
| CN108620495A (en) * | 2017-03-21 | 2018-10-09 | 卢婷 | A kind of high-precision metal forming hydraulic press |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200807 |