CN113586720A - Rotary sealing device of adhesive tape production equipment - Google Patents
Rotary sealing device of adhesive tape production equipment Download PDFInfo
- Publication number
- CN113586720A CN113586720A CN202110992874.XA CN202110992874A CN113586720A CN 113586720 A CN113586720 A CN 113586720A CN 202110992874 A CN202110992874 A CN 202110992874A CN 113586720 A CN113586720 A CN 113586720A
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- China
- Prior art keywords
- ring
- sealing
- wall
- end cover
- rear end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 103
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 239000002905 metal composite material Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000956 alloy Substances 0.000 abstract description 11
- 229910045601 alloy Inorganic materials 0.000 abstract description 11
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 5
- 239000002609 medium Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
-
- 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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
本发明提供了一种胶布生产设备旋转密封装置，包括连接后端盖，连接后端盖与设备连接内管间隙连接，设备连接内管外套设有连接轴，连接轴的后端嵌设有浸金属石墨的密封H型环，密封H型环的前端与连接轴之间设置有波形辅助弹簧，密封H型环的后端与硬质合金环组成密封配对，硬质合金环镶嵌在蝶形环上，蝶形环定位在中间连接法兰上，蝶形环的上部与中间连接法兰之间设置有弹簧组。本发明采用波形辅助弹簧和弹簧组实现双密封磨损补偿和压力双向缓冲，具有更好的密封可靠性，采用硬质合金和浸金属石墨的密封H型环可增强耐高温和耐高压的性能，以及密封H型环直接内嵌在连接轴内可以大幅度缩短旋转密封装置的长度，使得结构紧凑。
The invention provides a rotary sealing device for adhesive tape production equipment, which comprises a connecting back end cover, which is gap-connected with an equipment connecting inner pipe; The sealing H-ring of metal graphite, a wave auxiliary spring is arranged between the front end of the sealing H-ring and the connecting shaft, the rear end of the sealing H-ring and the hard alloy ring form a sealing pair, and the hard alloy ring is embedded in the butterfly ring The butterfly ring is positioned on the middle connecting flange, and a spring group is arranged between the upper part of the butterfly ring and the middle connecting flange. The invention adopts the wave-shaped auxiliary spring and the spring group to realize the double-sealing wear compensation and the pressure two-way buffering, and has better sealing reliability. And the sealing H-ring is directly embedded in the connecting shaft, which can greatly shorten the length of the rotary sealing device and make the structure compact.
Description
Technical Field
The invention relates to the technical field of rotary sealing, in particular to a rotary sealing device of adhesive tape production equipment.
Background
As the rotary sealing device of the rubberized fabric production equipment in the market at present basically adopts the planar rotary joint, as shown in figure 4, the rotary sealing device is suitable for aqueous medium and has high adaptable rotating speed, but the adaptable temperature of the structure is low, the normal adaptation temperature is below 200 ℃, the pressure resistance is low, the pressure resistance is generally only within 1.0MPA, in addition, the overall size of the joint is also long, the equipment is inconvenient to install, if the conventional rotary joint is forcibly installed, the connection mode of the equipment needs to be changed, the repayment is avoided, the production cost is increased, and the economic benefit is reduced.
Therefore, the following problems exist in the actual use of the market conventional rotary joint: firstly, the use working condition of the adhesive tape production equipment is generally higher than that of the conventional rubber and plastic machinery, the highest temperature can reach 200 ℃, the highest rotating speed can reach 200 revolutions per minute, the highest pressure can reach 16 kilograms, and the service life of a common rotary joint under the working condition is shorter, generally about 3 months and even shorter, so that the maintenance cost is higher; secondly, as the adhesive tape production equipment is further reformed and the production efficiency is improved, the installation space reserved for the rotary joint is effective, so that new requirements are provided for the structural form of the rotary joint, and the conventional rotary joint structure cannot meet the use requirements of customers.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a rotary sealing device of adhesive tape production equipment, so as to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides a rotary sealing device of adhesive tape production equipment, which comprises a connecting rear end cover, an intermediate connecting flange, an equipment connecting inner pipe and a connecting front end cover, wherein the connecting rear end cover is in clearance connection with the equipment connecting inner pipe; a connecting shaft is sleeved outside the equipment connecting inner pipe, a sealing thread is arranged at the front shaft end of the connecting shaft and is used for being connected with a thread on an equipment roller, a sealing H-shaped ring is embedded at the rear end of the connecting shaft, the sealing H-shaped ring is made of metal-impregnated graphite, and a third O-shaped sealing ring is arranged between the inner wall of the connecting shaft and the outer wall of the sealing H-shaped ring for sealing; a wave-shaped auxiliary spring is arranged between the front end of the sealing H-shaped ring and the connecting shaft for sealing abrasion compensation, the rear end of the sealing H-shaped ring and the hard alloy ring form sealing pairing, and the hard alloy ring is embedded on the butterfly-shaped ring; the butterfly ring is positioned on the middle connecting flange, a second O-shaped sealing ring is arranged between the outer wall of the butterfly ring and the inner wall of the middle connecting flange for sealing, a spring group is arranged between the upper part of the butterfly ring and the middle connecting flange for sealing abrasion compensation, and an elastic cylindrical pin is arranged between the lower part of the butterfly ring and the middle connecting flange so that the middle connecting flange and the butterfly ring are kept in a static state; the rear end of the middle connecting flange is embedded into the rear end cover, the front end of the middle connecting flange is embedded into the front end cover, and the lower part of the middle connecting flange is fixedly connected with the front end cover through a first hexagon socket head cap bolt.
Through the technical scheme, wave form auxiliary spring and spring assembly combination apply to rotary seal device's sealed wear compensation and the two-way buffering of pressure, the double containment mode makes rotary seal device have better sealing reliability, the two-way buffering of axial makes rotary seal device can be better when receiving high pressure or external impact the protection sealing member not destroyed, adopt carbide and the sealed H type ring that soaks metallic graphite can strengthen rotary seal device high temperature resistant and high pressure resistant performance, and the direct embedded length that can shorten rotary seal device in the connecting axle of sealed H type ring by a wide margin, make compact structure.
As a further description of the rotary sealing device of the adhesive tape production equipment of the present invention, preferably, the sealing H-shaped ring is provided with two symmetrical parallel concave edges, and the end of the connecting shaft is provided with two symmetrical parallel convex edges, so that the sealing H-shaped ring is embedded in the connecting shaft, and the synchronous operation of the sealing H-shaped ring and the connecting shaft is ensured.
As a further description of the rotary sealing device of the adhesive tape production equipment of the present invention, preferably, two threaded connection grooves are arranged side by side in the same direction at the bottom of the square outer end face of the connection rear end cap, and are respectively connected with the inlet and outlet pipes as a left connection port and a right connection port; the inner wall of the equipment connecting inner pipe, the inner wall of the equipment connecting rear end cover and the right connecting port are communicated in sequence to form a first medium channel; the inner wall of the connecting shaft, the inner wall of the sealed H-shaped ring, the inner wall of the hard alloy ring, the inner wall of the butterfly-shaped ring, the inner wall of the middle connecting flange, the inner wall of the connecting rear end cover and the left connecting port are sequentially communicated to form a second medium channel.
As a further description of the rotary sealing device of the adhesive tape production equipment of the present invention, preferably, an end face metal composite gasket is disposed between the connection rear end cap and the intermediate connection flange.
As a further description of the rotary sealing device of the adhesive tape production equipment of the present invention, preferably, two deep groove ball bearings are sleeved between the connecting shaft and the connecting front end cover.
As a further description of the rotary sealing device of the adhesive tape production equipment of the present invention, preferably, the right side of the deep groove ball bearing is fixed by a circlip for a shaft and a circlip for a hole, the circlip for the shaft is inserted into the connecting shaft, and the circlip for the hole is inserted into the connecting front end cover.
As a further description of the rotary sealing device of the adhesive tape production apparatus of the present invention, preferably, the connection rear end cap and the intermediate connection flange are connected by a second hexagon socket head cap bolt.
As a further description of the rotary sealing device of the adhesive tape production equipment, preferably, the cemented carbide ring is embedded on the butterfly ring in an ultrahigh temperature thermal embedding manner.
The invention has the following beneficial effects: the invention adopts the combination of the wave-shaped auxiliary spring and the spring group to be applied to the seal abrasion compensation and the pressure bidirectional buffering of the rotary sealing device, the double-seal mode ensures that the rotary sealing device has better seal reliability, the axial bidirectional buffering ensures that the rotary sealing device can better protect a sealing element from being damaged when the rotary sealing device is subjected to high pressure or external impact, the sealing H-shaped ring adopting the hard alloy and the metal-impregnated graphite can enhance the high-temperature resistance and high-pressure resistance of the rotary sealing device, and the length of the rotary sealing device can be greatly shortened by directly embedding the sealing H-shaped ring in the connecting shaft, so that the structure is compact.
Drawings
Fig. 1 is a schematic structural view of a rotary sealing device of the rubberized fabric production apparatus of the present invention.
Fig. 2 is a left side view of the rotary sealing device of the blanket manufacturing apparatus of the present invention.
Fig. 3 is a schematic view illustrating the assembly of the sealing H-ring and the connecting shaft according to the present invention.
Fig. 4 is a schematic structural view of a planar rotary joint in the prior art.
In the drawings: the device comprises a rear end cover 1, a first O-shaped sealing ring 2, an end face metal composite pad 3, a second O-shaped sealing ring 4, a middle connecting flange 5, a spring set 6, a butterfly ring 7, a hard alloy ring 8, a deep groove ball bearing 9, a connecting shaft 10, a second inner hexagonal bolt 11, a shaft elastic retainer ring 12, a hole elastic retainer ring 13, a waveform auxiliary spring 14, a third O-shaped sealing ring 15, a sealing H-shaped ring 16, an elastic cylindrical pin 17, a first inner hexagonal bolt 18, a device connecting inner tube 19 and a connecting front end cover 20.
Detailed Description
To further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solutions of the present invention and are not to limit the present invention.
As shown in fig. 1, fig. 1 is a schematic structural view of a rotary sealing device of a tape production apparatus according to the present invention; the rotary sealing device of the adhesive tape production equipment comprises a connecting rear end cover 1, an intermediate connecting flange 5, an equipment connecting inner pipe 19 and a connecting front end cover 20, wherein the connecting rear end cover 1 is in clearance connection with the equipment connecting inner pipe 19, and a first O-shaped sealing ring 2 is arranged between the inner wall of the connecting rear end cover 1 and the outer wall of the equipment connecting inner pipe 19 for sealing; a connecting shaft 10 is sleeved outside the equipment connecting inner pipe 19, a sealing thread is arranged at the front shaft end of the connecting shaft 10 and is used for being connected with a thread on an equipment roller, a sealing H-shaped ring 16 is embedded at the rear end of the connecting shaft 10, the sealing H-shaped ring 16 is made of metal-impregnated graphite, and a third O-shaped sealing ring 15 is arranged between the inner wall of the connecting shaft 10 and the outer wall of the sealing H-shaped ring 16 for sealing; a wave-shaped auxiliary spring 14 is arranged between the front end of the sealing H-shaped ring 16 and the connecting shaft 10 for sealing abrasion compensation, the rear end of the sealing H-shaped ring 16 and the hard alloy ring 8 form a sealing pair, the hard alloy ring 8 is embedded on the butterfly-shaped ring 7, and preferably, the hard alloy ring 8 is embedded on the butterfly-shaped ring 7 in an ultrahigh temperature hot embedding manner; a butterfly ring 7 is positioned on the middle connecting flange 5, a second O-shaped sealing ring 4 is arranged between the outer wall of the butterfly ring 7 and the inner wall of the middle connecting flange 5 for sealing, a spring group 6 is arranged between the upper part of the butterfly ring 7 and the middle connecting flange 5 for sealing abrasion compensation, and an elastic cylindrical pin 17 is arranged between the lower part of the butterfly ring 7 and the middle connecting flange 5 for keeping the middle connecting flange 5 and the butterfly ring 7 in a static state; the rear end of the middle connecting flange 5 is embedded in the rear end cover 1, the front end of the middle connecting flange 5 is embedded in the front end cover 20, and the lower part of the middle connecting flange 5 is fixedly connected with the front end cover 20 through a first hexagon socket head cap bolt 18.
As shown in fig. 3, the sealing H-ring 16 has two symmetrical parallel concave edges, and the end of the connecting shaft 10 has two symmetrical parallel convex edges, so that the sealing H-ring 16 is embedded in the connecting shaft 10 to ensure the synchronous operation of the sealing H-ring 16 and the connecting shaft 10.
As shown in fig. 2, two threaded connection grooves are arranged side by side in the same direction at the bottom of the square outer end face of the connection rear end cap 1, and are respectively connected with the inlet and outlet pipeline as a left connection port L and a right connection port R. The inner wall of the equipment connecting inner pipe 19, the inner wall of the connecting rear end cover 1 and the right connector R are communicated in sequence to form a first medium channel; the inner wall of the connecting shaft 10, the inner wall of the sealing H-shaped ring 16, the inner wall of the hard alloy ring 8, the inner wall of the butterfly ring 7, the inner wall of the middle connecting flange 5, the inner wall of the connecting rear end cover 1 and the left connecting port L are communicated in sequence to form a second medium channel.
As shown in fig. 1, an end-face metal composite pad 3 is arranged between the connection rear end cover 1 and the intermediate connection flange 5. Two deep groove ball bearings 9 are sleeved between the connecting shaft 10 and the connecting front end cover 20. The right side of the deep groove ball bearing 9 is fixed by a shaft elastic retainer ring 12 and a hole elastic retainer ring 13, the shaft elastic retainer ring 12 is inserted on the connecting shaft 10, and the hole elastic retainer ring 13 is inserted on the connecting front end cover 20. The rear end cover 1 is connected with the middle connecting flange 5 through a second inner hexagon bolt 11.
Above-mentioned adhesive tape production facility rotary seal device is through the structural style who changes rotary seal device, realizes the reduction of rotary seal device whole size from the structure of optimizing rotary seal device, for example the connector of business turn over medium designs side by side, the design of spring assembly, the design of wave form auxiliary spring, sealed H type ring then directly embedded can all shorten rotary seal device's length at the connecting axle etc. by a wide margin. Through the structure and the material of the sealed composition form of change, adopt the sealed wearing and tearing compensation and the two-way buffering of pressure of spring assembly and wave form auxiliary spring, the two-way compensation mode makes rotary seal device have better sealing reliability, the two-way buffering of axial makes rotary seal device can be better when receiving high pressure or external impact the protection sealing member not destroyed, adopt carbide and the sealed H type ring that soaks metallic graphite to increase rotary seal device's temperature resistance and pressure-resistant ability, keep former planar seal's adaptable fast-speed advantage simultaneously, thereby prolong adhesive tape production facility rotary seal device's life, and the maintenance cost is reduced, and economic benefits is improved.
It should be noted that the above summary and the detailed description are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the invention. The scope of the invention is to be determined by the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110992874.XA CN113586720B (en) | 2021-08-27 | 2021-08-27 | A rotary sealing device for adhesive tape production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110992874.XA CN113586720B (en) | 2021-08-27 | 2021-08-27 | A rotary sealing device for adhesive tape production equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113586720A true CN113586720A (en) | 2021-11-02 |
| CN113586720B CN113586720B (en) | 2025-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110992874.XA Active CN113586720B (en) | 2021-08-27 | 2021-08-27 | A rotary sealing device for adhesive tape production equipment |
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| CN (1) | CN113586720B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111369A (en) * | 2022-06-28 | 2022-09-27 | 福建省闽旋科技股份有限公司 | Rotary sealing device of flexible printing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035092A1 (en) * | 1980-01-10 | 1981-09-09 | VEB Chemieanlagenbaukombinat Leipzig-Grimma | Rotating mechanical seal with spring bellows |
| CN103307440A (en) * | 2013-06-21 | 2013-09-18 | 连云港市拓普科技发展有限公司 | Special rotating joint for ultra-low-temperature fluid loading and unloading arm |
| CN106763793A (en) * | 2017-03-22 | 2017-05-31 | 福建省闽旋科技股份有限公司 | A kind of continuous casting of iron and steel machine rotary sealing appts |
| CN110259952A (en) * | 2019-07-18 | 2019-09-20 | 福建省闽旋科技股份有限公司 | A kind of centrifuge rotary dynamic sealing device |
| CN112555416A (en) * | 2020-12-18 | 2021-03-26 | 福建省闽旋科技股份有限公司 | Rotary dynamic sealing device of tension heat setting machine |
| CN215634960U (en) * | 2021-08-27 | 2022-01-25 | 福建省闽旋科技股份有限公司 | Rotary sealing device of adhesive tape production equipment |
-
2021
- 2021-08-27 CN CN202110992874.XA patent/CN113586720B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035092A1 (en) * | 1980-01-10 | 1981-09-09 | VEB Chemieanlagenbaukombinat Leipzig-Grimma | Rotating mechanical seal with spring bellows |
| CN103307440A (en) * | 2013-06-21 | 2013-09-18 | 连云港市拓普科技发展有限公司 | Special rotating joint for ultra-low-temperature fluid loading and unloading arm |
| CN106763793A (en) * | 2017-03-22 | 2017-05-31 | 福建省闽旋科技股份有限公司 | A kind of continuous casting of iron and steel machine rotary sealing appts |
| CN110259952A (en) * | 2019-07-18 | 2019-09-20 | 福建省闽旋科技股份有限公司 | A kind of centrifuge rotary dynamic sealing device |
| CN112555416A (en) * | 2020-12-18 | 2021-03-26 | 福建省闽旋科技股份有限公司 | Rotary dynamic sealing device of tension heat setting machine |
| CN215634960U (en) * | 2021-08-27 | 2022-01-25 | 福建省闽旋科技股份有限公司 | Rotary sealing device of adhesive tape production equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111369A (en) * | 2022-06-28 | 2022-09-27 | 福建省闽旋科技股份有限公司 | Rotary sealing device of flexible printing machine |
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| Publication number | Publication date |
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| CN113586720B (en) | 2025-05-02 |
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