Dustproof sealing structure for piston of cubic press

Abstract

The invention relates to the technical field of cubic press piston dust prevention, and discloses a cubic press piston dustproof sealing structure which comprises a main body mechanism, a lubricating mechanism and an auxiliary mechanism, the lubricating mechanism is located at the inner end of the main body mechanism, and the auxiliary mechanism is located at the outer end of the main body mechanism. The main body mechanism comprises an oil cylinder body, a piston groove and a piston body, the piston groove is fixedly formed in the upper end of the oil cylinder body, and the piston body is movably installed at the inner end of the piston groove; the main body mechanism further comprises a telescopic dust cover, an upper mounting plate, a lower mounting plate and a connecting rod, and the telescopic dust cover is movably mounted at the outer end of the piston body and located at the upper end of the oil cylinder body. According to the dustproof sealing structure for the piston of the cubic press, by installing the main body mechanism, the dustproof effect of the piston of the cubic press is conveniently improved, dust is prevented from entering the piston and the cylinder body through gaps, the service life of the piston of the cubic press is prolonged, and practicability is improved.

Description

Technical Field

[0001] The invention relates to the technical field of six-sided top press pistons, in particular to a six-sided top press piston dustproof sealing structure. Background Art

[0002] The six-sided top press is mainly used for ultra-high pressure synthesis of superhard materials such as diamond and cubic boron nitride. The talc used when the six-sided top press is working will produce a large amount of dust. If the dust enters the piston and cylinder, it will have a certain impact on the seals and may cause damage to the seals. Therefore, a dust-proof sealing structure for the six-sided top press piston is required.

[0003] The prior art patent document CN204275936U discloses a six-sided top press piston, including a six-sided top press piston body, on which a sealing groove, a pressure relief hole, a load-reducing cavity and a plug are further arranged, wherein the load-reducing cavity is embedded in the six-sided top press piston body and is coaxially distributed with the six-sided top press piston body, one end of the pressure relief hole is located on the outer surface of one end of the six-sided top press piston body, and the other end is connected to the bottom of the load-reducing cavity, the plug is connected to the load-reducing cavity port, and at least one layer of sealing ring is arranged at the contact surface with the inner wall of the load-reducing cavity, the sealing groove is located on the outer surface of the six-sided top press piston body and there is at least one sealing groove, and the novel structure is simple, on the one hand, it reduces the weight of the piston body itself, and on the other hand, it improves the heat treatment performance of the piston body itself, improves the internal organization and heat treatment performance of the piston, thereby reducing the difficulty of piston body processing while improving the strength of the piston body, and also reducing the difficulties caused by the dead weight of the piston to the adjustment and assembly of the press, and improving the hydraulic balance performance of the upper and lower cylinder pistons.

[0004] However, the dustproof effect of the six-sided top press piston in the prior art CN204275936U patent is poor, and it is not convenient to prevent dust from entering the piston and the cylinder through the gap, which in turn shortens the service life of the six-sided top press piston and has low practicality. Summary of the invention

[0005] The object of the present invention is to provide a dustproof sealing structure for a six-sided top press piston to solve the problem of poor dustproof effect of the six-sided top press piston mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a six-sided top press piston dustproof sealing structure, comprising a main mechanism, a lubricating mechanism and an auxiliary mechanism, wherein the lubricating mechanism is located at the inner end of the main mechanism, the auxiliary mechanism is located at the outer end of the main mechanism, the main mechanism comprises a cylinder body, a piston groove and a piston body, the piston groove is fixedly arranged at the upper end of the cylinder body, and the piston body is movably installed at the inner end of the piston groove; The main body mechanism also includes a telescopic dust cover, an upper mounting plate, a lower mounting plate and a connecting rod. The telescopic dust cover is movably mounted on the outer end of the piston body. The telescopic dust cover is located at the upper end of the cylinder body. The telescopic dust cover is movably connected to the cylinder body. The upper mounting plate is fixedly mounted on the upper end of the telescopic dust cover. The upper mounting plate is movably connected to the piston body. The lower mounting plate is fixedly mounted on the lower end of the outer end of the telescopic dust cover. The lower mounting plate is movably connected to the cylinder body. The connecting rod is fixedly mounted in the middle of the upper end of the piston body.

[0007] Preferably, the lubrication mechanism includes an oil filling hole, an oil storage tank, an oil outlet hole, a sealing ring, a sealing gasket and a wear-resistant coating. The oil filling hole is fixedly arranged at the right end of the upper end of the piston body. The oil filling hole is located below the mounting plate to facilitate the addition of lubricating oil.

[0008] Preferably, the oil storage tank is fixedly arranged at the inner end of the piston body, the oil outlet hole is fixedly arranged at the lower end of the outer end of the piston body, and the sealing ring is fixedly installed at the lower end of the outer end of the piston body to facilitate lubrication of the piston body.

[0009] Preferably, the sealing ring is located below the oil outlet, the sealing gasket is fixedly mounted on the lower end of the piston body, and the wear-resistant coating is fixedly arranged on the outer end of the piston body, so as to improve the sealing and wear resistance of the piston body.

[0010] Preferably, the auxiliary mechanism includes threaded hole one, threaded hole two, mounting hole one, mounting hole two and bolts, threaded hole one is fixedly set at the upper end of the cylinder body, threaded hole two is fixedly set at the upper end of the piston body, mounting hole one is fixedly set at the upper end of the mounting plate, and mounting hole one is located above threaded hole two, which is convenient for installing and disassembling the telescopic dust cover.

[0011] Preferably, the second mounting hole is fixedly arranged at the upper end of the mounting upper plate, the second mounting hole is located above the first threaded hole, the bolt is movably installed at the upper end of the mounting upper plate and the lower mounting plate, and the bolt extends to the inner end of the first threaded hole and the second threaded hole, thereby improving practicality and meeting people's usage needs.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The dustproof sealing structure of the six-sided top press piston is convenient for improving the dustproof effect of the six-sided top press piston by installing the main body mechanism, preventing dust from entering the piston and the cylinder through the gap, extending the service life of the six-sided top press piston and improving practicality; 2. The dustproof seal structure of the piston of the six-sided top press is easy to lubricate the piston body by installing a lubrication mechanism, which reduces the wear of the seal and the wear of the piston and the cylinder body, meeting people's needs; 3. The dustproof sealing structure of the piston of the six-sided top press is convenient for installing and disassembling the telescopic dust cover and replacing the new telescopic dust cover by installing the auxiliary mechanism, thereby improving the dustproof effect, being convenient and quick to use, and further improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the structure of the lubrication mechanism of the present invention; Figure 3 It is a partial structural schematic diagram of the main mechanism of the present invention; Figure 4 It is a schematic diagram of the partial cross-sectional structure of the lubrication mechanism of the present invention.

[0014] In the figure: 1. Main mechanism; 101. Cylinder body; 102. Piston groove; 103. Piston body; 104. Telescopic dust cover; 105. Install upper plate; 106. Install lower plate; 107. Connecting rod; 2. Lubrication mechanism; 201. Oil filling hole; 202. Oil storage tank; 203. Oil outlet hole; 204. Sealing ring; 205. Sealing gasket; 206. Wear-resistant coating; 3. Auxiliary mechanism; 301. Threaded hole one; 302. Threaded hole two; 303. Mounting hole one; 304. Mounting hole two; 305. Bolt. Implementation

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] See also Figure 1-Figure 4 The present invention provides a technical solution: a six-sided top press piston dustproof sealing structure, comprising a main mechanism 1, a lubricating mechanism 2 and an auxiliary mechanism 3, wherein the lubricating mechanism 2 is located at the inner end of the main mechanism 1, and the auxiliary mechanism 3 is located at the outer end of the main mechanism 1, and the main mechanism 1 comprises a cylinder body 101, a piston groove 102 and a piston body 103, wherein the piston groove 102 is fixedly arranged at the upper end of the cylinder body 101, and the piston body 103 is movably installed at the inner end of the piston groove 102; The main body mechanism 1 also includes a telescopic dust cover 104, an upper mounting plate 105, a lower mounting plate 106 and a connecting rod 107. The telescopic dust cover 104 is movably mounted on the outer end of the piston body 103. The telescopic dust cover 104 is located at the upper end of the cylinder body 101. The telescopic dust cover 104 is movably connected to the cylinder body 101. The upper mounting plate 105 is fixedly mounted on the upper end of the telescopic dust cover 104. The upper mounting plate 105 is movably connected to the piston body 103. The lower mounting plate 106 is fixedly mounted on the lower end of the outer end of the telescopic dust cover 104. The lower mounting plate 106 is movably connected to the cylinder body 101. The connecting rod 107 is fixedly mounted in the middle of the upper end of the piston body 103.

[0017] The lubrication mechanism 2 includes an oil filling hole 201, an oil storage tank 202, an oil outlet hole 203, a sealing ring 204, a sealing gasket 205 and a wear-resistant coating 206. The oil filling hole 201 is fixedly arranged at the right end of the upper end of the piston body 103, the oil filling hole 201 is located below the mounting plate 105, the oil storage tank 202 is fixedly arranged at the inner end of the piston body 103, the oil outlet hole 203 is fixedly arranged at the lower end of the outer end of the piston body 103, the sealing ring 204 is fixedly installed at the lower end of the outer end of the piston body 103, the sealing ring 204 is located below the oil outlet hole 203, the sealing gasket 205 is fixedly installed at the lower end of the piston body 103, and the wear-resistant coating 206 is fixedly arranged on the outer end of the piston body 103. At the end, when the six-sided top press piston is first dust-sealed, the staff puts the telescopic dust cover 104 on the piston body 103 through the connecting rod 107, and the mounting upper plate 105 of the telescopic dust cover 104 is located on the piston body 103, and the mounting lower plate 106 of the telescopic dust cover 104 is located on the cylinder body 101. The telescopic dust cover 104 is rotated to align the mounting hole 1 303 and the mounting hole 2 304 with the threaded hole 2 302 and the threaded hole 1 301, and then the bolt 305 is used to fix the telescopic dust cover 104 on the cylinder body 101 and the piston body 103. The telescopic dust cover 104 prevents dust from entering the gap between the cylinder body 101 and the piston body 103.

[0018] The auxiliary mechanism 3 includes a threaded hole 1 301, a threaded hole 2 302, a mounting hole 1 303, a mounting hole 2 304 and a bolt 305. The threaded hole 1 301 is fixedly arranged on the upper end of the cylinder body 101, the threaded hole 2 302 is fixedly arranged on the upper end of the piston body 103, the mounting hole 1 303 is fixedly arranged on the upper end of the mounting plate 105, the mounting hole 1 303 is located above the threaded hole 2 302, the mounting hole 2 304 is fixedly arranged on the upper end of the mounting plate 105, the mounting hole 2 304 is located above the threaded hole 1 301, and the bolt 305 is movably mounted on the mounting plate 105 and the mounting plate 105. At the upper end of the lower plate 106, the bolt 305 extends to the inner ends of the threaded hole 1 301 and the threaded hole 2 302. The staff can add lubricating oil to the oil storage tank 202 through the oil filling hole 201. When the piston body 103 is under pressure, the lubricating oil flows out from the oil outlet hole 203 to lubricate the piston body 103. The sealing ring 204 and the sealing gasket 205 improve the sealing performance of the piston body 103. The wear-resistant coating 206 improves the wear resistance of the piston body 103. When the telescopic dust cover 104 needs to be replaced, the staff can loosen the bolt 305 to remove the telescopic dust cover 104 for replacement.

[0019] Working principle: First, when the six-sided top press piston is dust-proof sealed, the staff will cover the telescopic dust cover 104 on the piston body 103 through the connecting rod 107, the upper mounting plate 105 of the telescopic dust cover 104 is located on the piston body 103, and the lower mounting plate 106 of the telescopic dust cover 104 is located on the cylinder body 101. The telescopic dust cover 104 is rotated to align the mounting hole 1 303 and the mounting hole 2 304 with the threaded hole 2 302 and the threaded hole 1 301, and then the bolt 305 is used to fix the telescopic dust cover 104 on the cylinder body 101 and the piston body 103. The telescopic dust cover 104 prevents dust from entering the gap between the cylinder body 101 and the piston body 103. The staff can add lubricating oil to the oil storage tank 202 through the oil filling hole 201. When the piston body 103 is under pressure, the lubricating oil flows out from the oil outlet hole 203 to lubricate the piston body 103. The sealing ring 204 and the sealing gasket 205 improve the sealing performance of the piston body 103. The wear-resistant coating 206 improves the wear resistance of the piston body 103. When the telescopic dust cover 104 needs to be replaced, the staff can loosen the bolts 305 to remove the telescopic dust cover 104 for replacement.

[0020] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A six-sided press piston dust seal structure, comprising a main mechanism (1), a lubrication mechanism (2) and an auxiliary mechanism (3), Features: The lubricating mechanism (2) is located at the inner end of the main mechanism (1), and the auxiliary mechanism (3) is located at the outer end of the main mechanism (1). The main mechanism (1) comprises a cylinder body (101), a piston groove (102) and a piston body (103). The piston groove (102) is fixedly arranged at the upper end of the cylinder body (101), and the piston body (103) is movably mounted at the inner end of the piston groove (102). The main body mechanism (1) further comprises a telescopic dust cover (104), an upper mounting plate (105), a lower mounting plate (106) and a connecting rod (107); the telescopic dust cover (104) is movably mounted on the outer end of the piston body (103); the telescopic dust cover (104) is located at the upper end of the cylinder body (101); the telescopic dust cover (104) is movably connected to the cylinder body (101); the upper mounting plate (105) is fixedly mounted on the upper end of the telescopic dust cover (104); the upper mounting plate (105) is movably connected to the piston body (103); the lower mounting plate (106) is fixedly mounted on the lower end of the outer end of the telescopic dust cover (104); the lower mounting plate (106) is movably connected to the cylinder body (101); and the connecting rod (107) is fixedly mounted on the middle part of the upper end of the piston body (103).

2. A six-sided press piston dustproof seal structure according to claim 1, Features: The lubrication mechanism (2) comprises an oil filling hole (201), an oil storage tank (202), an oil outlet hole (203), a sealing ring (204), a sealing gasket (205) and a wear-resistant coating (206); the oil filling hole (201) is fixedly arranged at the right end of the upper end of the piston body (103); the oil filling hole (201) is located below the mounting upper plate (105).

3. A six-sided press piston dustproof seal structure according to claim 2, Features: The oil storage tank (202) is fixedly arranged at the inner end of the piston body (103), the oil outlet hole (203) is fixedly arranged at the lower end of the outer end of the piston body (103), and the sealing ring (204) is fixedly installed at the lower end of the outer end of the piston body (103).

4. A six-sided top press piston dustproof seal structure according to claim 3, Features: The sealing ring (204) is located below the oil outlet hole (203), the sealing pad (205) is fixedly mounted on the lower end of the piston body (103), and the wear-resistant coating (206) is fixedly arranged on the outer end of the piston body (103).

5. A six-sided press piston dustproof seal structure according to claim 4, Features: The auxiliary mechanism (3) comprises a threaded hole 1 (301), a threaded hole 2 (302), a mounting hole 1 (303), a mounting hole 2 (304) and a bolt (305); the threaded hole 1 (301) is fixedly arranged at the upper end of the cylinder body (101); the threaded hole 2 (302) is fixedly arranged at the upper end of the piston body (103); the mounting hole 1 (303) is fixedly arranged at the upper end of the mounting upper plate (105); and the mounting hole 1 (303) is located above the threaded hole 2 (302).

6. A six-sided top press piston dustproof seal structure according to claim 5, Features: The second mounting hole (304) is fixedly arranged at the upper end of the mounting upper plate (105), the second mounting hole (304) is located above the threaded hole (301), the bolt (305) is movably mounted at the upper ends of the mounting upper plate (105) and the mounting lower plate (106), and the bolt (305) extends to the inner ends of the threaded hole (301) and the second threaded hole (302).

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