CN214171007U - Hydraulic cylinder sealing device for vulcanizing machine - Google Patents
Hydraulic cylinder sealing device for vulcanizing machine Download PDFInfo
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- CN214171007U CN214171007U CN202121766307.4U CN202121766307U CN214171007U CN 214171007 U CN214171007 U CN 214171007U CN 202121766307 U CN202121766307 U CN 202121766307U CN 214171007 U CN214171007 U CN 214171007U
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- hydraulic cylinder
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Abstract
The utility model discloses a hydraulic cylinder sealing device for a vulcanizing machine, belonging to the technical field of hydraulic cylinder equipment, comprising a cylinder barrel, wherein the top end of the cylinder barrel is provided with an upper cover, and the bottom end of the cylinder barrel is provided with a lower cover; the piston mechanism is arranged in the cylinder barrel in a matching mode and is provided with a piston rod; the lower cover is provided with a channel for the piston rod to pass through, a V-shaped cloth clamping combined sealing ring is arranged in the channel, and the V-shaped cloth clamping combined sealing ring is sleeved on the piston rod and is simultaneously attached to the lower cover and the piston rod; the bottom of lower cover is provided with the gland, the gland is located the downside of V type clamp cloth combination sealing washer, and with the laminating of V type clamp cloth combination sealing washer. The utility model provides a pneumatic cylinder sealing device for vulcanizer, this sealing device's simple structure adopts the V type to press from both sides cloth combination sealing washer, its long service life, and sealing pressure is adjustable, and sealing performance is good, and convenient and fast is changed in the sealing washer installation.
Description
Technical Field
The utility model relates to a pneumatic cylinder equipment technical field especially relates to a pneumatic cylinder sealing device for vulcanizer.
Background
The vulcanizing machine is the main molding equipment for various rubber molded products and non-molded products, has the characteristics of large pressure, wide adaptability, high efficiency, small occupied area and the like, and is widely applied to rubber product enterprises. The main function of the vulcanizer is to provide the pressure and temperature required for vulcanization. The pressure is generated by a hydraulic system through a hydraulic cylinder. The hydraulic cylinder adopts a plunger type oil cylinder to drive other elements to do work, and the selection and the quality of a sealing device directly influence the performance and the use effect of a hydraulic system. The sealing ring that current sealing device adopted is the Gelai combination sealing ring, and its life is shorter, in case the leakage just can't use, has the hidden danger to production quality to it is big to change the degree of difficulty, and it is long to change time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a pneumatic cylinder sealing device for vulcanizer, this sealing device adopt the V type to press from both sides cloth built-up seal circle, and its life extension, sealing performance is good, and simple to operate can effectively prevent to leak.
The utility model adopts the technical proposal that:
a hydraulic cylinder sealing device for a vulcanizing machine, comprising:
the top end of the cylinder barrel is provided with an upper cover, and the bottom end of the cylinder barrel is provided with a lower cover;
the piston mechanism is arranged in the cylinder barrel in a matching mode and is provided with a piston rod;
the lower cover is provided with a channel for the piston rod to pass through, a V-shaped cloth clamping combined sealing ring is arranged in the channel, and the V-shaped cloth clamping combined sealing ring is sleeved on the piston rod and is simultaneously attached to the lower cover and the piston rod; the bottom of lower cover is provided with the gland, the gland is located the downside of V type clamp cloth combination sealing washer, and with the laminating of V type clamp cloth combination sealing washer.
The sealing device is simple in structure, adopts the V-shaped cloth clamping combined sealing ring, is long in service life, adjustable in sealing pressure and good in sealing performance, and the sealing ring is convenient and quick to install and replace.
In the hydraulic cylinder sealing device for the vulcanizing machine disclosed in the application, the upper side surface of the press cover is matched with the lower side surface of the V-shaped cloth clamping combined sealing ring.
In the hydraulic cylinder sealing device for the vulcanizing machine disclosed in the application, the gland bush is arranged on the piston rod, and is attached to the piston rod.
In the hydraulic cylinder sealing device for the vulcanizing machine disclosed in the application, the pressing cover is connected with the lower cover through a screw.
In the hydraulic cylinder sealing device for the vulcanizer disclosed in the present application, the gland is provided with the clearance with the junction of lower cover.
In the hydraulic cylinder sealing device for the vulcanizing machine disclosed in the application, the gland and the binding face of the piston rod are provided with a first groove and a second groove, and the second groove is located below the first groove.
In the hydraulic cylinder sealing device for the vulcanizing machine disclosed in the application, a guide belt is arranged in the first groove, and the guide belt is sleeved on the piston rod and is attached to the gland and the piston rod.
In the hydraulic cylinder sealing device for the vulcanizing machine disclosed in the application, a dust ring is arranged in the second groove, and the dust ring is sleeved on the piston rod and is attached to the gland and the piston rod.
The utility model has the advantages that:
the utility model discloses a solve prior art's problem, provide a pneumatic cylinder sealing device for vulcanizer, this sealing device's sealing pressure size is adjustable, when the pneumatic cylinder appears leaking, can tighten up the screw through suitable, increases V type and presss from both sides cloth combination seal circle pressure to leak-tight. When the V-shaped cloth clamping combined sealing ring and the piston rod are abraded, the sealing effect can be ensured by the fastening screw. When the V-shaped cloth clamping combined sealing ring needs to be replaced, the screw is unscrewed, the gland is taken down, and replacement can be carried out, so that the replacement is convenient and fast. The contact surface of gland and piston rod is provided with guidance tape and dust ring, has increased direction performance, sealed and dustproof function, can improve sealed effect, protects the piston rod, makes its difficult wearing and tearing, increase of service life. The sealing device has the advantages of simple structure, long service life, adjustable sealing pressure, good sealing performance and convenient and quick installation and replacement.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a hydraulic cylinder sealing device for a vulcanizing machine according to the present invention;
FIG. 2 is a schematic structural view of a hydraulic cylinder sealing device for a conventional vulcanizer;
fig. 3 is an enlarged view of fig. 1 at a.
Reference numerals: the device comprises a cylinder barrel 1, a piston mechanism 2, an upper cover 3, a lower cover 4, a V-shaped cloth clamping combined sealing ring 5, a gland 6, a guide belt 7, a dust ring 8, a Gray combined sealing ring 9, a piston rod 21, a channel 41, a gap 42 and a screw 61.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The sealing ring adopted by the existing sealing device is a Gelai combined sealing ring, the service life of the sealing ring is short, the sealing ring cannot be used once leakage occurs, hidden danger is caused to the quality of tires, the replacement difficulty is high, and the replacement time is long.
In order to solve the problem of the prior art, the embodiment of the utility model provides a hydraulic cylinder sealing device for vulcanizer, its structure is shown as attached 1~3, include:
the top end of the cylinder barrel 1 is provided with an upper cover 3, and the bottom end of the cylinder barrel is provided with a lower cover 4.
The piston mechanism 2 is disposed in the cylinder 1 and has a piston rod 21.
Wherein the lower cap 4 is provided with a passage 41 through which the piston rod 21 passes. A V-shaped cloth clamping combined sealing ring 5 is arranged in the channel 41. The V-shaped cloth clamping combined sealing ring 5 is sleeved on the piston rod 21 and is simultaneously attached to the lower cover 4 and the piston rod 21. The bottom of the lower cover 4 is provided with a gland 6. The gland 6 is positioned at the lower side of the V-shaped cloth clamping combined sealing ring 5 and is attached to the V-shaped cloth clamping combined sealing ring 5. The V-shaped cloth-sandwiched combined sealing ring 5 is of a cloth-sandwiched fabric structure, is formed by mould pressing of rubber fabric, and has the characteristics of good sealing performance, convenience in installation and impact pressure resistance. As shown in fig. 3, the sealing ring of the existing sealing device is a gley combined sealing ring 9 which is embedded in the channel 41, so that the replacement difficulty is high and the replacement time is long. As shown in fig. 1, the seal ring of this embodiment is a V-shaped cloth-sandwiched combined seal ring 5, a gland 6 is disposed below the seal ring, the V-shaped cloth-sandwiched combined seal ring 5 can be replaced by removing the gland 6, the replacement is convenient, the replacement time is short, when leakage occurs, the gland 6 can be properly tightened, the pressure of the V-shaped cloth-sandwiched combined seal ring 5 is increased until the leakage does not occur, the sealing performance is good, and the sealing pressure can be adjusted by adjusting the gland 6.
It should be noted that, in the embodiments of the present invention, the reference is made to fig. 1 for the directional words. The upper side of the cylinder tube 1 in fig. 1 is the upper direction, and the lower side of the cylinder tube 1 is the lower direction.
In one embodiment, the upper side surface of the gland 6 is matched with the lower side surface of the V-shaped cloth clamping combined sealing ring 5. The upper surface of the gland 6 is attached to the lower surface of the V-shaped cloth clamping combined sealing ring 5, and the V-shaped cloth clamping combined sealing ring 5 is matched with the gland 6 to increase the pressure of the V-shaped cloth clamping combined sealing ring 5 and ensure the sealing performance.
In one embodiment, the gland 6 is sleeved on the piston rod 21 and attached to the piston rod 21. The upper part of the gland 6 is positioned in the channel 41 and is tightly attached to the V-shaped cloth clamping combined sealing ring 5, and the inner side of the gland 6 is contacted and attached to the outer peripheral surface of the piston rod 21, so that the sealing performance is enhanced, and leakage is prevented.
In one embodiment, the gland 6 is connected to the lower cap 4 by screws 61. When the hydraulic cylinder leaks, the pressure of the V-shaped cloth clamping combined sealing ring 5 can be increased until the hydraulic cylinder does not leak by properly tightening the screw 61, the sealing pressure of the sealing device can be adjusted, and when the V-shaped cloth clamping combined sealing ring 5 and the piston rod 21 are abraded, the sealing effect can be ensured by fastening the bolt.
In one embodiment, a gap 42 is provided at the junction of the gland 6 and the lower cap 4. The size of the gap 42 may be 5mm, 10mm and 15mm, preferably 10 mm. The gap 42 is a reserved gap, and the gap is adjusted by tightening the screw 61, so that the sealing pressure is adjusted.
In one embodiment, the abutting surface of the gland 6 and the piston rod 21 is provided with a first groove and a second groove. The second groove is located below the first groove. Rubber rings are arranged in the first groove and the second groove, so that the abrasion loss of the piston rod 21 is reduced, and the service life is prolonged.
In one embodiment, a guide strip 7 is provided in the first recess. The guide belt 7 is sleeved on the piston rod 21 and is jointed with the gland 6 and the piston rod 21. The guide belt 7 has a guiding performance, and protects the piston rod 21 from being worn easily.
In one embodiment, a dust ring 8 is disposed within the second recess. The dust ring 8 is sleeved on the piston rod 21 and is attached to the gland 6 and the piston rod 21. The dust ring 8 has dust-proof performance and can prevent dust from entering the hydraulic cylinder.
The utility model discloses a pneumatic cylinder sealing device's working method for vulcanizer:
when the hydraulic cylinder works, the piston rod 21 does work, and the V-shaped cloth clamping combined sealing ring 5 provides sealing performance for the piston rod 21. When the V-shaped cloth clamping combined sealing ring 5 and the piston rod 21 are abraded or the hydraulic cylinder leaks, the pressure of the V-shaped cloth clamping combined sealing ring 5 is increased by properly tightening the screw 61, and the sealing effect is ensured. When the V-shaped cloth clamping combined sealing ring 5 needs to be replaced, the screw 61 is unscrewed, and the gland 6 is taken down, so that the replacement can be carried out.
Based on above-mentioned each embodiment, the utility model discloses hydraulic cylinder sealing device for vulcanizer has following advantage: the sealing device has the advantages of simple structure, long service life, adjustable sealing pressure, good sealing performance and convenient and quick installation and replacement. The sealing pressure of the sealing device is adjustable, and when the hydraulic cylinder leaks, the pressure of the V-shaped cloth clamping combined sealing ring 5 can be increased until the hydraulic cylinder leaks by properly tightening the screw 61. When the V-shaped cloth clamping combined seal ring 5 and the piston rod 21 are abraded, the sealing effect can be ensured by the fastening screw 61. When the V-shaped cloth clamping combined sealing ring 5 needs to be replaced, the screw 61 is unscrewed, the gland 6 is taken down, and replacement can be carried out, so that the replacement is convenient and fast. The binding face of gland 6 and piston rod 21 is provided with guidance tape 7 and dust ring 8, has increased direction performance, sealed and dustproof function, can improve sealed effect, protects piston rod 21, makes its difficult wearing and tearing, increase of service life.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A hydraulic cylinder sealing device for a vulcanizing machine is characterized by comprising:
the cylinder barrel (1) is provided with an upper cover (3) at the top end and a lower cover (4) at the bottom end;
the piston mechanism (2) is arranged in the cylinder barrel (1) in a matching way and is provided with a piston rod (21);
the lower cover (4) is provided with a channel (41) for the piston rod (21) to penetrate through, a V-shaped cloth clamping combined sealing ring (5) is arranged in the channel (41), and the V-shaped cloth clamping combined sealing ring (5) is sleeved on the piston rod (21) and is attached to the lower cover (4) and the piston rod (21) at the same time; the bottom of lower cover (4) is provided with gland (6), gland (6) are located the downside of V type clamp cloth combination sealing washer (5), and with the laminating of V type clamp cloth combination sealing washer (5).
2. The hydraulic cylinder sealing device for the vulcanizing machine as recited in claim 1, wherein the upper side of the gland (6) is adapted to the lower side of the V-shaped cloth clamping combination sealing ring (5).
3. The hydraulic cylinder sealing device for the vulcanizing machine as recited in claim 1, wherein the gland (6) is sleeved on the piston rod (21) and attached to the piston rod (21).
4. Hydraulic cylinder sealing device for vulcanizers according to claim 1, characterized in that the gland (6) is connected to the lower cover (4) by means of screws (61).
5. Hydraulic cylinder sealing device for vulcanizer according to claim 4, wherein the joint of said gland (6) and lower cover (4) is provided with a gap (42).
6. The hydraulic cylinder sealing device for the vulcanizing machine as recited in claim 3, wherein a first groove and a second groove are formed on the abutting surface of the gland (6) and the piston rod (21), and the second groove is located below the first groove.
7. The hydraulic cylinder sealing device for the vulcanizing machine as recited in claim 6, wherein a guide belt (7) is disposed in the first groove, and the guide belt (7) is sleeved on the piston rod (21) and attached to the gland (6) and the piston rod (21).
8. The hydraulic cylinder sealing device for the vulcanizing machine as recited in claim 6, wherein a dust ring (8) is disposed in the second groove, and the dust ring (8) is sleeved on the piston rod (21) and attached to the gland (6) and the piston rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766307.4U CN214171007U (en) | 2021-07-31 | 2021-07-31 | Hydraulic cylinder sealing device for vulcanizing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121766307.4U CN214171007U (en) | 2021-07-31 | 2021-07-31 | Hydraulic cylinder sealing device for vulcanizing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214171007U true CN214171007U (en) | 2021-09-10 |
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ID=77596265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121766307.4U Active CN214171007U (en) | 2021-07-31 | 2021-07-31 | Hydraulic cylinder sealing device for vulcanizing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214171007U (en) |
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2021
- 2021-07-31 CN CN202121766307.4U patent/CN214171007U/en active Active
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