CN209800400U - Novel special hydraulic cylinder of high-speed high temperature wainscot machine - Google Patents
Novel special hydraulic cylinder of high-speed high temperature wainscot machine Download PDFInfo
- Publication number
- CN209800400U CN209800400U CN201822253734.7U CN201822253734U CN209800400U CN 209800400 U CN209800400 U CN 209800400U CN 201822253734 U CN201822253734 U CN 201822253734U CN 209800400 U CN209800400 U CN 209800400U
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- China
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- piston rod
- limiting plate
- oil cylinder
- seal ring
- hydraulic oil
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Abstract
The utility model relates to a novel hydraulic oil cylinder special for a high-speed high-temperature veneering machine, which is provided with a cylinder body; a front gland and a rear gland are respectively arranged at two ends of the cylinder body, and a piston rod is arranged in the cylinder body; one end of the piston rod is connected with a piston; a guide ring, a steckel seal ring for a shaft, a YX seal ring for a shaft, a rem seal ring and a dustproof seal ring are sequentially embedded between the piston rod and the rear gland from front to back; an oil storage groove is arranged between the adjacent sealing elements. The arrangement sequence of various sealing elements of the utility model is changed relatively, the guide distance is increased by the conventional shape of the domestic and overseas general sealing structure, and the operation stability of the piston rod of the oil cylinder is increased; the sealing element of the oil cylinder is guaranteed to be suitable for the working environment with harsh use conditions, the durable leakage-proof effect of the sealing element is improved, the upper limit of use is improved, and the service life of the oil cylinder is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the hydro-cylinder, in particular to novel special hydraulic cylinder of high-speed high temperature wainscot machine.
Background
The general sealing structure at home and abroad is generally divided into high, medium and low pressure conventional arrangement, as shown in figure 1. Is suitable for most of working occasions; but in some special working condition environments, the method has great defects or improved places; the configuration has the defects of long stroke, large oil cylinder and high pressure; firstly, the linearity of the piston rod of the oil cylinder is influenced by an excessively short supporting distance, so that physical friction between the piston rod and a gland is easily caused; when the large-diameter oil cylinder is in an extra-high voltage state, the phenomenon that the large-diameter oil cylinder is inclined due to insufficient supporting distance, a piston rod is filled with oil, and a Stent seal is not durable can be caused.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, providing a guarantee that the sealing member of hydro-cylinder is applicable to the harsh operational environment of service condition, improves the durable leak protection effect of sealing member, improves and uses the upper limit, increases hydro-cylinder life, increases the special hydraulic cylinder of novel high-speed high temperature wainscot machine of hydro-cylinder piston rod operating stability.
Realize the utility model discloses the technical scheme of purpose is: a novel hydraulic oil cylinder special for a high-speed high-temperature laminator is provided with a cylinder body; a front gland and a rear gland are respectively arranged at two ends of the cylinder body, and a piston rod is arranged in the cylinder body; one end of the piston rod is connected with a piston; a guide ring, a steckel seal ring for a shaft, a YX seal ring for a shaft, a rem seal ring and a dustproof seal ring are sequentially embedded between the piston rod and the rear gland from front to back; an oil storage groove is arranged between the adjacent sealing elements.
According to the technical scheme, the pressure relief port is drilled in the hard belt of the shaft-used Stent seal ring.
The shaft used steckel seal ring in the technical scheme is composed of a soft PU ring and a butadiene-acrylonitrile rubber ring.
According to the technical scheme, the piston rod is provided with a front buffer device and a rear buffer device; the front buffer device comprises a front limiting plate, a front sliding rod and a front buffer spring; one end of the front sliding rod is fixedly connected with the front limiting plate, and the other end of the front sliding rod extends into a front guide groove formed in the piston rod; one end of the front buffer spring is fixedly connected with the front limiting plate, and the other end of the front buffer spring is fixedly connected with the end face of the piston rod; the rear buffer device comprises a rear limiting plate, a rear sliding rod and a rear buffer spring; one end of the rear sliding rod is fixedly connected with the rear limiting plate, and the other end of the rear sliding rod extends into a rear guide groove formed in the piston rod; the rear limiting plate is annularly sleeved on the piston rod; one end of the rear buffer spring is fixedly connected with the rear limiting plate, and the other end of the rear buffer spring is fixedly connected with the step surface of the piston rod.
According to the technical scheme, the outer edges of the front limiting plate and the rear limiting plate are in contact with the inner wall of the cylinder body.
According to the technical scheme, balls are embedded in the outer edges of the front limiting plate and the rear limiting plate.
according to the technical scheme, the inner edge of the rear limiting plate is also inlaid with a ball.
after the technical scheme is adopted, the utility model discloses following positive effect has:
(1) The arrangement sequence of various sealing elements of the utility model is changed relatively, the guide distance is increased by the conventional shape of the domestic and overseas general sealing structure, and the operation stability of the piston rod of the oil cylinder is increased; the sealing element of the oil cylinder is ensured to be suitable for the working environment with harsh use conditions, the durable leakage-proof function of the sealing element is improved, the upper limit of use is improved, and the service life of the oil cylinder is prolonged;
(2) The utility model adds a Rahmen seal (soft PU + nitrile rubber) for the shaft, which prevents oil leakage after the Stent seal and the shaft seal are damaged under high pressure; the Rem seal can be used for scraping redundant oil films on the surface of the piston rod under the condition of low pressure or no pressure, so that excessive leakage of oil carrying and oil accumulation is prevented; the situation that oil stains are not underground nearby the piston rod, the environment is affected or potential safety hazards are caused is guaranteed;
(3) In special conditions, the pressure relief opening with the size of 0.5-1mm is drilled on the steckel belt for the shaft (the hole is not arranged on the original element of the sealing element); the pressure relief port is improved through tests and result authentication, the size of the pressure relief hole is changed in working environment with the pressing force, and theoretically, the size of the pressure relief port is in a nonlinear state with the working pressure; the pressure relief hole is beneficial to relieving the pressure of the hydraulic oil through the small hole under the condition of instantaneous ultrahigh pressure, so that the phenomenon that the transient seal is damaged due to overlarge instantaneous pressure to cause oil leakage of the oil cylinder is prevented, the durability is improved, and the phenomenon of pressure trapping in a pressurized closed space is also avoided;
(4) Under the condition of pressure, the utility model forms a closed space between each sealing element, which is easy to cause the phenomenon of pressure trapping and has great hidden trouble for the service life of the sealing element; a pressure relief opening with the size of 0.5-1mm is drilled on the Stent seal hard belt for the shaft, so that the damage of trapped pressure to a sealing element can be greatly reduced, and the phenomenon of trapped pressure is reduced;
(5) the utility model can store a trace amount of air bubbles between the sealing elements, and the bubbles are broken to generate instantaneous high pressure to damage the sealing elements; therefore, a small oil storage tank is additionally arranged between the sealing element and the sealing element, enough oil is guaranteed, bubbles are not easy to form, meanwhile, the oil cylinder is also infiltrated into the oil cylinder and the sealing element by enough oil after being not used for a long time, the oil cylinder is isolated from air, and the degree of lubrication is guaranteed.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of a general sealing structure at home and abroad;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the positions of the piston rod and the rear gland of the present invention;
Fig. 4 is an enlarged schematic view of a portion a of fig. 1.
Detailed Description
See fig. 2, 3 and 4, the present invention has a cylinder body 1; a front gland 2 and a rear gland 3 are respectively arranged at two ends of the cylinder body 1, and a piston rod 4 is arranged in the cylinder body 1; one end of the piston rod 4 is connected with a piston 5; a guide ring 6, a shaft-used Stent seal ring 7, a shaft-used YX seal ring 8, a rem seal ring 9 and a dustproof seal ring 10 are sequentially embedded between the piston rod 4 and the rear gland 3 from front to back; an oil reservoir 11 is provided between adjacent seals.
The hard belt of the shaft used Stent seal ring 7 is drilled with a pressure relief opening.
The shaft-used steckel seal ring 7 consists of a soft PU ring and a butadiene-acrylonitrile rubber ring.
The piston rod 4 is provided with a front buffer device and a rear buffer device; the front buffer device comprises a front limit plate 12, a front sliding rod 13 and a front buffer spring 14; one end of the front sliding rod 13 is fixedly connected with the front limiting plate 12, and the other end of the front sliding rod extends into a front guide groove 15 formed in the piston rod 4; one end of the front buffer spring 14 is fixedly connected with the front limiting plate 12, and the other end is fixedly connected with the end face of the piston rod 4; the rear buffer device comprises a rear limiting plate 16, a rear sliding rod 17 and a rear buffer spring 18; one end of the rear sliding rod 17 is fixedly connected with the rear limiting plate 16, and the other end of the rear sliding rod extends into a rear guide groove 19 formed in the piston rod 4; the rear limiting plate 16 is annularly sleeved on the piston rod 4; one end of the rear buffer spring 18 is fixedly connected with the rear limiting plate 16, and the other end is fixedly connected with the step surface of the piston rod 4.
The outer edges of the front limiting plate 12 and the rear limiting plate 16 are both contacted with the inner wall of the cylinder body 1.
the outer edges of the front limiting plate 12 and the rear limiting plate 16 are inlaid with balls 20, and the inner edge of the rear limiting plate 16 is inlaid with balls 20.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A novel hydraulic oil cylinder special for a high-speed high-temperature laminator comprises a cylinder body (1); a front gland (2) and a rear gland (3) are respectively arranged at two ends of the cylinder body (1), and a piston rod (4) is arranged in the cylinder body (1); one end of the piston rod (4) is connected with a piston (5); the method is characterized in that: a guide ring (6), a shaft-used Stent seal ring (7), a shaft-used YX seal ring (8), a rem seal ring (9) and a dustproof seal ring (10) are sequentially embedded between the piston rod (4) and the rear gland (3) from front to back; an oil storage groove (11) is arranged between the adjacent sealing elements.
2. the novel hydraulic oil cylinder special for the high-speed high-temperature laminator according to claim 1, is characterized in that: and a pressure relief opening is drilled on a hard belt of the shaft-used Stent seal ring (7).
3. The novel hydraulic oil cylinder special for the high-speed high-temperature laminator according to claim 1, is characterized in that: the shaft-used Stent seal ring (7) is composed of a soft PU ring and a butadiene-acrylonitrile rubber ring.
4. The novel hydraulic oil cylinder special for the high-speed high-temperature laminator according to claim 2 or 3, wherein: the piston rod (4) is provided with a front buffer device and a rear buffer device; the front buffer device comprises a front limiting plate (12), a front sliding rod (13) and a front buffer spring (14); one end of the front sliding rod (13) is fixedly connected with the front limiting plate (12), and the other end of the front sliding rod extends into a front guide groove (15) formed in the piston rod (4); one end of the front buffer spring (14) is fixedly connected with the front limiting plate (12), and the other end of the front buffer spring is fixedly connected with the end face of the piston rod (4); the rear buffer device comprises a rear limiting plate (16), a rear sliding rod (17) and a rear buffer spring (18); one end of the rear sliding rod (17) is fixedly connected with the rear limiting plate (16), and the other end of the rear sliding rod extends into a rear guide groove (19) formed in the piston rod (4); the rear limiting plate (16) is annularly sleeved on the piston rod (4); one end of the rear buffer spring (18) is fixedly connected with the rear limiting plate (16), and the other end of the rear buffer spring is fixedly connected with the step surface of the piston rod (4).
5. The novel hydraulic oil cylinder special for the high-speed high-temperature laminator according to claim 4, is characterized in that: the outer edges of the front limiting plate (12) and the rear limiting plate (16) are both in contact with the inner wall of the cylinder body (1).
6. The novel hydraulic oil cylinder special for the high-speed high-temperature laminator according to claim 5, is characterized in that: balls (20) are inlaid in the outer edges of the front limiting plate (12) and the rear limiting plate (16).
7. the novel hydraulic oil cylinder special for the high-speed high-temperature laminator according to claim 6, is characterized in that: the inner edge of the rear limiting plate (16) is also embedded with a ball (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253734.7U CN209800400U (en) | 2018-12-29 | 2018-12-29 | Novel special hydraulic cylinder of high-speed high temperature wainscot machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253734.7U CN209800400U (en) | 2018-12-29 | 2018-12-29 | Novel special hydraulic cylinder of high-speed high temperature wainscot machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800400U true CN209800400U (en) | 2019-12-17 |
Family
ID=68819417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822253734.7U Expired - Fee Related CN209800400U (en) | 2018-12-29 | 2018-12-29 | Novel special hydraulic cylinder of high-speed high temperature wainscot machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800400U (en) |
-
2018
- 2018-12-29 CN CN201822253734.7U patent/CN209800400U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |