CN214274096U - Accurate movement anvil cylinder assembly of electric heating upsetting machine for production of marine low-speed diesel engine air valve - Google Patents
Accurate movement anvil cylinder assembly of electric heating upsetting machine for production of marine low-speed diesel engine air valve Download PDFInfo
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- CN214274096U CN214274096U CN202022444508.4U CN202022444508U CN214274096U CN 214274096 U CN214274096 U CN 214274096U CN 202022444508 U CN202022444508 U CN 202022444508U CN 214274096 U CN214274096 U CN 214274096U
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Abstract
The utility model relates to a precise movement anvil cylinder component of an electric upsetting machine for producing a marine low-speed diesel engine air valve, which comprises an anvil cylinder body and a plunger rod; the working section of the rear cylinder body of the plunger rod is inserted into the cylinder body; the anvil cylinder body comprises a cylinder body accommodating section and a cylinder body sealing section, and the cylinder body accommodating section and the cylinder body sealing section are smoothly connected through a plane; the plunger rod in the cylinder body is guided through the guide ring, and a guide belt is arranged between the plunger rod and the guide ring for accurate guide; the cylinder body is internally sleeved with a buffer sleeve. The plunger rod of the assembly adopts a T-shaped structure and has accurate guiding function together with the guide ring, and oil liquid in a gap between the working section of the rear cylinder body of the plunger rod and the sealing cover can take away heat on the working section of the rear cylinder body of the plunger rod, so that the operating temperature of equipment is reduced.
Description
Technical Field
The utility model relates to a marine low-speed diesel engine pneumatic valve electric heat heading machine subassembly, specifically a marine low-speed diesel engine pneumatic valve production is with electric heat upset anvil subassembly that takes shape for on the higher oil pressure mechanical equipment of motion precision, belong to oil pressure mechanical design technical field.
Background
In the prior known electric upsetting machine, an inner anvil cylinder of the electric upsetting machine mainly adopts a simple oil pressure device, is limited by an external sensor, only a guide ring is guided by a single piece, a plunger rod generally adopts a cylindrical smooth plane with the same diameter, cannot be accurately guided, and is easy to wear; the anvil cylinder of the existing known electric upsetting machine is limited only by an external sensor, a buffer sleeve playing a limiting and buffering role is not arranged in a cylinder body, and the stroke of the anvil cylinder generally has larger stroke error; in addition, the oil pressure tonnage of the existing electric upsetting machine is smaller, and the larger the tonnage, the larger the error is.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in providing an oil press operational environment, sealed effectual a marine low-speed diesel engine pneumatic valve production is with electric heat upset accurate motion hammering block subassembly that takes shape that is fit for accurate motion.
The utility model discloses a realize through following technical scheme: an electric upsetting forming anvil component for production of a marine low-speed diesel engine air valve comprises a cylinder body (5), a plunger rod (4) and a sealing cover (16), wherein the sealing cover is arranged at the tail end of the cylinder body, and the plunger rod is inserted into an inner cavity of the cylinder body;
the cylinder body consists of a cylinder body accommodating section (13) and a cylinder body sealing section (3), the concentricity of the inner walls of the cylinder body accommodating section and the cylinder body sealing section is consistent with the diameter of the inner wall, and the cylinder body accommodating section and the cylinder body sealing section are smoothly connected; a main oil hole (6) is formed in the tail side of the seal of the end part of the cylinder body accommodating section, penetrates through the seal cover and is connected with an oil pipe and an inner cavity of the cylinder body;
the plunger rod is of an integral T-shaped structure, the working contact surface is small, the T-shaped structure is respectively a rear cylinder body accommodating section arranged along the axial direction of the plunger rod and a rear cylinder body working section arranged along the radial direction of the plunger rod, the rear cylinder body working section is in clearance fit with the cylinder body accommodating section, the diameter of a non-working section of the plunger rod is smaller than that of the rear cylinder body working section, and therefore the conditions of guiding resistance, possible abrasion and the like can be effectively reduced. The sealing member groove and the guide belt groove used for embedding the sealing ring and the guide belt are formed in the outer wall of the rear cylinder body accommodating section in the circumferential direction respectively, so that the risk probability of leakage is reduced.
And oil is fed into a gap between the working section of the rear cylinder body of the plunger rod and the sealing cover through the main oil hole, and oil for radiating the working section of the rear cylinder body of the plunger rod is also provided.
Furthermore, the end face of the cylinder body sealing section is sleeved with a guide ring (1), the guide ring is fixedly connected with the cylinder body sealing section through a fastening screw (8) and a spring washer, and the guide ring and the cylinder body are fixed in motion through the structure. The external diameter of guide ring and cylinder body seal section internal diameter transition fit, its inboard is provided with combination seal ring groove and overlaps combination sealing washer (10) at combination seal ring inslot, and the quantity of sealing member needs to cooperate with the seal groove, plays sealed effect to the contact surface of plunger rod and guide ring, the internal diameter and the plunger rod external diameter interference fit of combination sealing washer effectively increase the leakproofness.
Furthermore, a sealing ring (2) is arranged on the matching surface of the guide ring and the cylinder body sealing section, and the sealing ring is positioned in a sealing ring groove of the binding surface of the guide ring and the cylinder body sealing section, and plays a sealing role on the contact surface of the guide ring and the cylinder body sealing section.
Furthermore, the guide belt (11) is divided into a front guide belt and a rear guide belt which are respectively distributed on the inner wall of the guide ring and the outer wall of the working section of the rear cylinder body of the plunger rod to play a coaxial guide role so as to increase the precision of the axial movement direction of the plunger rod (4); four guide belts are radially embedded on the inner wall surface of the guide ring, and the guide belts are arranged at intervals with the dustproof sealing ring (9) and the combined sealing ring (10).
Furthermore, a buffer sleeve (8) is arranged on the outer ring of the plunger rod at the near end part in the cylinder body, so that the axial displacement precision of the plunger rod can be accurately controlled.
Furthermore, the buffer sleeve is made of plastic or nylon with the hardness value of 95-105 Rockwell hardness, and plays a role in limiting and buffering so as to accurately move the stroke of the anvil cylinder.
Furthermore, the inner wall of the outer opening part of the guide ring is provided with a dustproof sealing ring groove, and a dustproof sealing ring is embedded in the dustproof sealing ring groove so as to prevent metal impurities from being mixed into the oil cylinder in the complex stamping environment.
Furthermore, a high-pressure flange for pipeline connection with the pressure higher than 10MPa is sleeved at the top end of the main oil port of the cylinder body. The high-pressure flange is used for protecting the oil port and is convenient for the main oil port to be communicated with external oil circuit equipment.
Further, the aperture of the main oil hole is 1/7 of the cylinder inner diameter.
Furthermore, the plunger rod is of a T-shaped structure and is concentrically guided through the guide ring and the working section of the rear cylinder body, so that the movement of the plunger rod is accurately guided.
The utility model has the advantages that: the plunger rod and the cylinder body are highly sealed, the sealing performance is good, the direction of the plunger rod is accurately guided, and the stroke of the anvil cylinder is accurately moved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the drawings: 1-guide ring, 2-sealing ring, 3-cylinder body sealing section, 4-plunger rod, 5-cylinder body, 6-main oil hole, 7-high-pressure flange, 8-fastening screw, 9-dustproof sealing ring, 10-combined sealing ring, 11-guide belt, 12-buffer sleeve, 13-cylinder body receiving section, 14-rear cylinder body working section, 15-rear guide belt and 16-sealing cover.
Detailed Description
In order to make the utility model discloses technical means, creation characteristic, achievement purpose and efficiency that realize are easily known, now combine the figure to further explain the utility model discloses how the patent is implemented:
an electric upsetting forming accurate movement anvil component for production of a marine low-speed diesel engine air valve comprises a cylinder body 5 and a plunger rod 4, wherein a rear cylinder body working section with a larger outer diameter of the plunger rod is inserted into the cylinder body 5;
a main oil hole 6 is formed in a sealing cover 16 of the cylinder body accommodating section 13, a main oil hole is formed in the outer side of the sealing cover 16, and the main oil holes are communicated with the main oil hole in a one-to-one correspondence manner; the main oil hole of the cylinder body 5 is sleeved with a high-pressure flange 7.
The guide ring 1 is sleeved in the cylinder body sealing section 3, and the guide ring 1 and the cylinder body sealing section 3 are fixedly connected through a fastening screw and a spring washer.
The combined sealing ring is in interference fit with a rear cylinder body working section of the plunger rod, the outer diameter of the guide ring 1 is in interference fit with the cylinder body sealing section 3, the inner diameter of the guide ring is in clearance fit with the outer diameter of the plunger rod, a plurality of sealing element grooves are radially formed in the inner wall surface of the guide ring 1, and the sealing elements are embedded in the sealing grooves;
the outer wall surface of the guide ring 1 or the inner wall surface of the cylinder body sealing section 3 is radially provided with a sealing piece groove, and the sealing piece is embedded in the sealing groove. The sealing element is a single sealing ring or a combined sealing ring.
The inner wall of the outer opening part of the guide ring is provided with a dustproof sealing ring groove, and a dustproof sealing ring 9 is embedded in the dustproof sealing ring groove.
Four guide belts 11 are radially embedded on the inner wall surface of the guide ring, and the guide belts 11 and the sealing elements 9 and 10 are arranged at intervals.
A plurality of sealing element grooves are radially formed in the outer wall of the working section 14 of the rear cylinder body of the plunger rod, combined sealing rings are embedded in the sealing grooves, and the combined sealing rings at the positions are the same sealing rings as the combined sealing rings in the sealing ring grooves on the inner side of the guide ring;
a rear guide belt 15 is radially embedded in the outer wall of the working section of the rear cylinder body of the plunger rod, and the rear guide belt 15 and the sealing element are arranged at intervals;
the plunger rod is of a T-shaped structure, the working contact surface is small, and the plunger rod can be guided concentrically with the working section of the rear cylinder body by the guide ring, so that the movement of the plunger rod can be accurately guided; the outer diameter of the working section of the rear cylinder body of the plunger rod is in clearance fit with the inner diameter of the cylinder body;
the outer diameter of the buffer sleeve 12 is in clearance fit with the inner diameter of the cylinder body, and the inner diameter of the buffer sleeve is in clearance fit with the outer diameter of the smaller diameter section of the plunger rod and is tightly attached to the guide ring; the buffer sleeve is made of hard plastic, such as nylon and the like, plays a role in limiting and buffering, and can accurately move the stroke of the anvil cylinder;
when the plunger rod guide device is used, the plunger rod 4 is not in direct contact with the inner wall of the cylinder body 5, the probability of abrasion of the plunger rod 4 is reduced, the plunger rod is guided concentrically through the guide of the working section of the rear cylinder of the plunger rod and the cylinder body and the guide of the guide ring, guide belts are arranged among the working section of the rear cylinder of the plunger rod, the guide ring and the cylinder body, accurate guide can be realized, and the guide belts and the sealing elements are arranged at intervals;
the oil liquid flow existing in the gap between the working section 14 of the rear cylinder body of the plunger rod and the sealing cover 16 can take away the heat on the working section of the rear cylinder body of the plunger rod (the friction heat exists in the section), so that the running temperature of the device is reduced, a plurality of sealing rings and guide belts between the guide ring 1 and the plunger rod 4 prevent the cylinder barrel and the piston rod from being abraded, the vibration absorption performance can be realized, the excellent wear resistance and the good dry-running characteristic are realized, and the possibility of abrasion leakage of the cylinder body is basically eliminated by the design.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The accurate motion hammering block cylinder subassembly of electric heat upset machine for marine low-speed diesel engine pneumatic valve production, its characterized in that: the plunger rod sealing device comprises a cylinder body (5), a plunger rod (4) and a sealing cover (16), wherein the sealing cover is arranged at the tail end of the cylinder body, and the plunger rod is inserted into an inner cavity of the cylinder body;
the cylinder body consists of a cylinder body accommodating section (13) and a cylinder body sealing section (3), the concentricity of the inner walls of the cylinder body accommodating section and the cylinder body sealing section is consistent with the diameter of the inner wall, and the cylinder body accommodating section and the cylinder body sealing section are smoothly connected; a main oil hole (6) is formed in the tail side of the seal of the end part of the cylinder body accommodating section, penetrates through the seal cover and is connected with an oil pipe and an inner cavity of the cylinder body;
the plunger rod is of an integral T-shaped structure, the T-shaped structure is a rear cylinder body accommodating section arranged along the axial direction of the plunger rod and a rear cylinder body working section arranged along the radial direction of the plunger rod respectively, the rear cylinder body working section is in clearance fit with the cylinder body accommodating section, and a sealing element groove and a guide groove for embedding a sealing ring and a guide belt are formed in the circumferential direction of the outer wall of the rear cylinder body accommodating section respectively;
and oil is fed into a gap between the working section of the rear cylinder body of the plunger rod and the sealing cover through the main oil hole, and oil for radiating the working section of the rear cylinder body of the plunger rod is also provided.
2. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 1, wherein: the terminal surface cover of cylinder body seal section has guide ring (1), the guide ring passes through fastening screw (8) and spring washer fixed connection with cylinder body seal section, the external diameter and the cylinder body seal section internal diameter transition fit of guide ring, its inboard be provided with combination seal ring groove and cover combination sealing washer (10) at combination seal ring inslot, the quantity of sealing member need cooperate with the seal groove, play sealed effect to the contact surface of plunger rod and guide ring, combination sealing washer's internal diameter and plunger rod external diameter interference fit.
3. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 2, wherein: the guide ring is equipped with sealing washer (2) with cylinder body seal section fitting surface, the sealing washer be located the guide ring outside with the sealing washer inslot of cylinder body seal section binding face, play sealed effect to guide ring and cylinder body seal section contact surface.
4. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 1, wherein: the guide belt (11) is divided into a front guide belt and a rear guide belt which are respectively distributed on the inner wall of the guide ring and the outer wall of the working section of the rear cylinder body of the plunger rod to play a coaxial guide role so as to increase the precision of the axial movement direction of the plunger rod (4); four guide belts are radially embedded on the inner wall surface of the guide ring, and the guide belts are arranged at intervals with the dustproof sealing ring (9) and the combined sealing ring (10).
5. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 1, wherein: a buffer sleeve (12) is arranged on the outer ring of the plunger rod near the tail end part in the cylinder body, and the axial displacement precision of the plunger rod can be accurately controlled.
6. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 5, wherein: the buffer sleeve is made of plastic or nylon with hardness value of 95-105 Rockwell hardness, and plays a role in limiting and buffering so as to accurately move the stroke of the anvil cylinder.
7. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 2, wherein: the inner wall of the outer opening part of the guide ring is provided with a dustproof sealing ring groove, and a dustproof sealing ring is embedded in the dustproof sealing ring groove.
8. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 1, wherein: and the top end of the main oil port of the cylinder body is sleeved with a high-pressure flange for pipeline connection with the pressure higher than 10 MPa.
9. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 1, wherein: the aperture of the main oil hole is 1/7 of the inner diameter of the cylinder body.
10. The marine low speed diesel engine valve production electric hot heading machine precision motion anvil cylinder assembly of claim 1, wherein: the plunger rod is of a T-shaped structure and is concentrically guided through the guide ring and the working section of the rear cylinder body, so that the movement of the plunger rod is accurately guided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444508.4U CN214274096U (en) | 2020-10-29 | 2020-10-29 | Accurate movement anvil cylinder assembly of electric heating upsetting machine for production of marine low-speed diesel engine air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444508.4U CN214274096U (en) | 2020-10-29 | 2020-10-29 | Accurate movement anvil cylinder assembly of electric heating upsetting machine for production of marine low-speed diesel engine air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274096U true CN214274096U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022444508.4U Active CN214274096U (en) | 2020-10-29 | 2020-10-29 | Accurate movement anvil cylinder assembly of electric heating upsetting machine for production of marine low-speed diesel engine air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274096U (en) |
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- 2020-10-29 CN CN202022444508.4U patent/CN214274096U/en active Active
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Effective date of registration: 20221115 Address after: No. 276, Lingshun North Road, Hushu Town, Jiangning District, Nanjing City, Jiangsu Province, 211122 Patentee after: Nanjing COSCO marine equipment accessories Co.,Ltd. Patentee after: COSCO SHIPPING HEAVY INDUSTRY Co.,Ltd. Address before: No. 276, Lingshun North Road, Hushu Town, Jiangning District, Nanjing City, Jiangsu Province, 211121 Patentee before: Nanjing COSCO marine equipment accessories Co.,Ltd. |