CN101922556B - End face sealer for vacuum box of pipe production line - Google Patents
End face sealer for vacuum box of pipe production line Download PDFInfo
- Publication number
- CN101922556B CN101922556B CN 201010286510 CN201010286510A CN101922556B CN 101922556 B CN101922556 B CN 101922556B CN 201010286510 CN201010286510 CN 201010286510 CN 201010286510 A CN201010286510 A CN 201010286510A CN 101922556 B CN101922556 B CN 101922556B
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- vacuum box
- pressing plate
- cyclic spring
- production line
- pipe production
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Abstract
The invention discloses an end face sealer for a vacuum box of a pipe production line, comprising a shell. The end face sealer for a vacuum box of a pipe production line is characterized in that a ring-shaped boss is arranged on the inner wall at the middle part of the shell; a ring-shaped elastic sealing body is placed on the ring-shaped boss; a pressure application device is extruded in the ring-shaped elastic sealing body; the ring-shaped elastic sealing body is in gapless contact with the surface of a pipe; and the bottom end of the shell is connected with an end face outlet of the vacuum box to form a vacuum chamber. The invention is simple in structure and easy in manufacturing; furthermore, the sealing performance between the pipe and the sealing body is good, and the sealing body has long service life and can be changed simply.
Description
Technical field
The present invention relates to a kind of vacuum box of pipe production line counterpart, be specifically related to a kind of end face sealer for vacuum box of pipe production line.
Background technique
The effect of vacuum box of pipe production line is to provide vacuum to a certain degree, is unlikely to subside in the cooling shaping process to guarantee tubing, and its difficult point is that the end face outlet of vacuum box should allow tubing smoothly by keeping again enough sealabilities.Pipe production line all is continuous production, its exit velocity is at 2-10m/min, existing way is with the thick silica gel plate of 10 ㎜, by hand cut and the much the same hole of tube outer diameter, couple together with bolt and vacuum box, main elasticity and tube surfaces by silica gel self keeps sealing, owing to carrying out sliding friction between tube surfaces and the sealing material always, cut the hole low precision in addition, the silica gel wear-resisting property is limited, therefore only have 2-3 days the working life of each silica gel sealing plate, best also with regard to about a week.This shows if only rely on elasticity and the tube surfaces sealing of seal self, just be difficult to improve working life, equally also can cause member replacing frequent, affect manufacturing efficiency, simultaneously also very uneconomical (market price of silica gel plate should about 40-50 Yuan/㎏).Indivedual producers are also arranged, replace silica gel plate with the molded rubber seal ring, but effect neither be very desirable.
Summary of the invention
In view of above-mentioned deficiency, the object of the present invention is to provide a kind of simple in structurely, good seal performance between tubing and the seal, is changed simple end face sealer for vacuum box of pipe production line at the seal long service life.
In order to achieve the above object, the present invention has adopted following technological scheme: a kind of end face sealer for vacuum box of pipe production line, comprise housing, described housing middle part inwall is provided with an annular boss, the cyclic spring seal is placed on the annular boss, be extruded with device for exerting on the described cyclic spring seal, and the cyclic spring seal is gapless with tubing and contacts; Described housing bottom connects the vacuum box end face outlet and forms a vacuum chamber.
Described device for exerting is made of adjustable diameter and screw adjusting lid, pressing spring and pressing plate; Described adjustable diameter and screw adjusting covers and has the through hole of freely coming in and going out for tubing, and adjustable diameter and screw adjusting is covered and housing top is screw thread and screws; Have the center hole of freely coming in and going out for tubing on the described pressing plate, and pressing plate is positioned on the elastic packing colloid; Described pressing spring places in the housing and an end covers near adjustable diameter and screw adjusting, and the other end then compresses pressing plate.Optimum, described pressing plate upper surface is provided with a convex annular edge, and pressing spring one end is placed in convex annular along upper.
Device for exerting of the present invention can also be made of adjusting screw rod and pressing plate; Described adjusting screw rod axially has the through hole of freely coming in and going out for tubing, and the screw thread on adjusting screw rod and the inner walls is screw thread and screws; Have the center hole of freely coming in and going out for tubing on the described pressing plate, and pressing plate is positioned on the elastic packing colloid; Described adjusting screw rod bottom compresses pressing plate.
Above-mentioned cyclic spring seal is the cyclic spring rubbery sealed body.
Above-mentioned cyclic spring seal is the hollow ring elastic sealed body.
Optimum, above-mentioned cyclic spring seal is hollow ring elastic caoutchouc seal.
Above-mentioned pressing plate is metal platen.
Working principle of the present invention is: tubing out enters sealer from the vacuum box of pipe production line end face outlet, exerted pressure to the equilibrium of cyclic spring seal by device for exerting, deformation very easily occurs in cyclic spring seal under external force, so just there is enough pressure to keep sealing between cyclic spring seal and the tube surfaces.Along with the carrying out that produces, cyclic spring seal and tube surfaces gapless contact position can wear and tear because of friction, but owing to making it always, the pressure outside that has the device for exerting equilibrium that the cyclic spring seal is applied keeps the trend of distortion, so the cyclic spring seal contacts the wear limit that (sealing) state can remain to the cyclic spring seal with the tube surfaces gapless always, its working life naturally can be more much longer than the cyclic spring seal of free state.It is also quite convenient to change simultaneously the cyclic spring seal that may wear to the limit, can not finish in one minute by any instrument, greatly increases work efficiency.
The present invention is simple in structure, easy to manufacture, good seal performance between tubing and the seal, and seal long service life, replacing are simply.
Description of drawings
Fig. 1 embodiment of the invention 1 structural representation.
Fig. 2 embodiment of the invention 2 structural representations.
Fig. 3 cyclic spring sealed body structure of the present invention schematic representation.
Pressure plate structure schematic representation in Fig. 4 embodiment of the invention 1.
Adjusting screw rod structural representation in Fig. 5 embodiment of the invention 2.
Among the figure: 1. housing; 1.1. annular boss; 2. cyclic spring seal; 3. tubing; 4. vacuum box end face outlet; 5. vacuum chamber; 6. adjustable diameter and screw adjusting is covered; 7. pressing spring; 8. pressing plate; 8.1. convex annular edge; 9. adjusting screw rod; 9.1. through hole.
Embodiment
Below we the present invention will be further described in connection with accompanying drawing.
Such as Fig. 1, Fig. 3 and shown in Figure 4, end face sealer for vacuum box of pipe production line, comprise housing 1, housing 1 middle part inwall is provided with an annular boss 1.1, lay hollow ring elastic sealed body 2 on the annular boss 1.1, the adjustable diameter and screw adjusting lid 6 that has the through hole of freely coming in and going out for tubing on the lid is screw thread with housing 1 top and screws, so that adjustable diameter and screw adjusting lid 6 can be on housing 1 up and down turn regulate, a surface be provided with convex annular along 8.1 and the pressing plate 8 that has a center hole of freely coming in and going out for tubing be positioned on the hollow ring elastic sealed body 2; Pressing spring 7 one ends are placed in convex annular along on 8.1, and its other end is near adjustable diameter and screw adjusting lid 6.Housing 1 bottom connects vacuum box end face outlet 4 and forms a vacuum chamber 5.Tubing 3 out enters vacuum chamber 5 from vacuum box of pipe production line end face outlet 4, center hole, pressing spring passage and the adjustable diameter and screw adjusting of then passing successively hollow ring elastic sealed body 2, pressing plate 8 are covered 6 through holes, since pressing spring 7 by pressing plate 8 to 2 equilibriums of hollow ring elastic sealed body exert pressure (the large I of pressure is regulated by adjustable diameter and screw adjusting lid 6), deformation very easily occurs in hollow ring elastic sealed body 2 under external force, so just there is enough pressure to keep sealing between hollow ring elastic sealed body 2 and tubing 3 surfaces.Along with the carrying out that produces, hollow ring elastic sealed body 2 can wear and tear because of friction with tubing 3 surperficial gapless contact position, but owing to there is balanced pressure outside to make it keep the trend of distortion always, so cyclic spring seal 2 contacts the wear limit (generally being to wear up to hollow position) that (sealing) state can remain to cyclic spring seal 2 with tubing 3 surperficial gaplesss always, working life naturally can be more much longer than the seal of free state.It is also quite convenient to change simultaneously the seal that may wear to the limit, can not finish in one minute by any instrument, greatly increases work efficiency.
Such as Fig. 2, Fig. 3 and shown in Figure 5, present embodiment is only different with enforcement 1 on the structure of device for exerting, in the present embodiment without pressing spring 7, device for exerting is by being made of adjusting screw rod 9 and pressing plate 8, its adjusting screw rod 9 axially has the through hole 9.1 of freely coming in and going out for tubing 3, and the screw thread on adjusting screw rod 9 and housing 1 inwall is screw thread and screws, and adjusting screw rod 9 bottoms compress pressing plate 8; During present embodiment work, only need precession adjusting screw rod 9 directly hollow ring elastic sealed body 2 to be exerted pressure, other working methods are identical with embodiment 1.
Those skilled in the art designs, processes, assembles by above-mentioned the drawings and the specific embodiments content can implement the present invention; but the above-mentioned embodiment who provides can not be understood to limiting the scope of the invention, thereby non-intrinsically safe improvement and adjustment that the professional and technical personnel makes according to design philosophy and the content of the invention described above also should belong to protection scope of the present invention.
Claims (7)
1. end face sealer for vacuum box of pipe production line, comprise housing (1), it is characterized in that: described housing (1) middle part inwall is provided with an annular boss (1.1), cyclic spring seal (2) is placed on the annular boss (1.1), be extruded with device for exerting on the described cyclic spring seal (2), and cyclic spring seal (2) is gapless with tubing (3) surface and contacts; Described housing (1) bottom connects vacuum box end face outlet (4) and forms a vacuum chamber (5); Described device for exerting is made of adjustable diameter and screw adjusting lid (6), pressing spring (7) and pressing plate (8); Have the through hole of freely coming in and going out for tubing (3) on the described adjustable diameter and screw adjusting lid (6), and adjustable diameter and screw adjusting is covered (6) and housing (1) top and is screw thread and screws; Have the center hole of freely coming in and going out for tubing (3) on the described pressing plate (8), and pressing plate (8) is positioned on the cyclic spring seal (2); Described pressing spring (7) places in the housing (1) and an end covers (6) near adjustable diameter and screw adjusting, and the other end then compresses pressing plate (8).
2. end face sealer for vacuum box of pipe production line, comprise housing (1), it is characterized in that: described housing (1) middle part inwall is provided with an annular boss (1.1), cyclic spring seal (2) is placed on the annular boss (1.1), be extruded with device for exerting on the described cyclic spring seal (2), and cyclic spring seal (2) is gapless with tubing (3) surface and contacts; Described housing (1) bottom connects vacuum box end face outlet (4) and forms a vacuum chamber (5); Described device for exerting is made of adjusting screw rod (9) and pressing plate (8); Described adjusting screw rod (9) axially has the through hole (9.1) of freely coming in and going out for tubing, and the screw thread on adjusting screw rod (9) and housing (1) inwall is screw thread and screws; Have the center hole of freely coming in and going out for tubing (3) on the described pressing plate (8), and pressing plate (8) is positioned on the cyclic spring seal (2); Described adjusting screw rod (9) bottom compresses pressing plate (8).
3. end face sealer for vacuum box of pipe production line according to claim 1 and 2, it is characterized in that: described cyclic spring seal (2) is the cyclic spring rubbery sealed body.
4. end face sealer for vacuum box of pipe production line according to claim 1 and 2, it is characterized in that: described cyclic spring seal (2) is the hollow ring elastic sealed body.
5. end face sealer for vacuum box of pipe production line according to claim 1 and 2, it is characterized in that: described cyclic spring seal (2) is hollow ring elastic caoutchouc seal.
6. end face sealer for vacuum box of pipe production line according to claim 1 is characterized in that: described pressing plate (8) upper surface is provided with a convex annular along (8.1), and described pressing spring (7) one ends are placed in convex annular along on (8.1).
7. it is characterized in that according to claim 1 and 2 or 6 described end face sealer for vacuum box of pipe production line: described pressing plate (8) is metal platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010286510 CN101922556B (en) | 2010-09-20 | 2010-09-20 | End face sealer for vacuum box of pipe production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010286510 CN101922556B (en) | 2010-09-20 | 2010-09-20 | End face sealer for vacuum box of pipe production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101922556A CN101922556A (en) | 2010-12-22 |
| CN101922556B true CN101922556B (en) | 2013-02-27 |
Family
ID=43337662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010286510 Expired - Fee Related CN101922556B (en) | 2010-09-20 | 2010-09-20 | End face sealer for vacuum box of pipe production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101922556B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587753B (en) * | 2012-08-17 | 2016-04-20 | 楚天科技股份有限公司 | A kind of sterile board discharging mechanism and freeze drying box device |
| CN113404863B (en) * | 2021-06-18 | 2022-07-22 | 深圳市冠利鑫橡胶制品有限公司 | Rubber oil seal and press sealing device thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE834485C (en) * | 1950-04-26 | 1952-03-20 | Ing Karl Taglang | Stuffing box for sealing rods or shafts against liquids under pressure |
| GB8827415D0 (en) * | 1988-11-24 | 1988-12-29 | Davies J K | O-ring seal assembly |
| CN2085876U (en) * | 1991-03-03 | 1991-10-02 | 卫作文 | Hollow pipe winded sealing structure |
| JP2008089074A (en) * | 2006-10-02 | 2008-04-17 | Ramusa Abe:Kk | Gland box |
| CN201763951U (en) * | 2010-09-20 | 2011-03-16 | 四川宏亿复合材料工程技术有限公司 | Tubing production line vacuum box end face sealer |
-
2010
- 2010-09-20 CN CN 201010286510 patent/CN101922556B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101922556A (en) | 2010-12-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20190920 |