CN217683235U

CN217683235U - Sealing ring for self-adaptive aperture adjustment of pipe cooling water tank

Info

Publication number: CN217683235U
Application number: CN202220746492.9U
Authority: CN
Inventors: 周刚刚; 高聪; 王禹; 张慰峰
Original assignee: Jiangxi Liansu Technology Industry Co ltd
Current assignee: Jiangxi Liansu Technology Industry Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-10-28
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a sealing ring for self-adaptive aperture adjustment of a pipe cooling water tank, which relates to the field of plastic pipe extrusion production and specifically comprises a fixed disc, a movable sealing rubber block component, a rotating disc, a torsion spring and a fixed cover plate; the fixed disc is connected with the fixed cover plate; the movable sealing rubber block assembly comprises a plurality of movable sealing rubber block main bodies; the movable sealing rubber block main bodies are mutually spliced to form an annular structure with an adjustable caliber; the movable sealing rubber block component is arranged between the fixed disc and the rotating disc, and two sides of the movable sealing rubber block component are respectively connected with the fixed disc and the rotating disc in a sliding manner; one end of the torsion spring is connected with the rotating disc, the other end of the torsion spring is connected with the fixed cover plate, the torsion applied by the rotating disc when the pipe diameter of the torsion spring is increased forms elastic potential energy, the elastic potential energy can be released to enable the rotating disc to rotate when the pipe diameter is decreased, then the movable sealing rubber block assembly is driven to rotate, and the size of the caliber formed by the movable sealing rubber block assembly is adjusted.

Description

Sealing ring for self-adaptive aperture adjustment of pipe cooling water tank

Technical Field

The utility model relates to a plastics tubular product extrusion production field specifically is a sealing washer of tubular product coolant tank self-adaptation regulation bore.

Background

The production process flow of the existing plastic pipe comprises the steps of extruding raw materials out of a pipe blank body through an extruder, then cooling and sizing the raw materials in a sizing sleeve, and then further cooling and sizing the raw materials in a vacuum sizing water tank. Because most pipe materials dispel the heat slowly, so need set up a plurality of vacuum cooling water tank and cool off it in order to guarantee that the size of pipe external diameter accords with the production requirement. The vacuum cooling water tank bin is provided with a certain vacuum degree, and the two ends of the vacuum cooling water tank bin need to be sealed in order to ensure that the vacuum state in the water tank is not damaged when the pipe passes through the water tank. One end of the vacuum cooling water tank is a sizing sleeve to realize size control, the other end of the vacuum cooling water tank is required to be provided with a sealing ring, the size of the sealing ring is matched with the outer diameter of a produced pipe, and the vacuum stability in the water tank is realized.

However, in the actual production process, when the production caliber needs to be changed, the production needs to be stopped and the corresponding seal ring needs to be replaced, which is not favorable for the high efficiency of the production process. When the pipe suddenly encounters a fault in the production process, the outer diameter of the pipe is suddenly reduced, and the pipe is matched with the sealing ring to form a gap, so that vacuum breaking is caused, and the product stability and waste control are not facilitated.

Disclosure of Invention

The utility model discloses a solve different tubular product external diameters of current sealing washer can not the self-adaptation match, lead to broken vacuum easily, be unfavorable for the problem of product stability and waste control, provided a sealing washer of tubular product cooling water tank self-adaptation regulation bore, utilized iris mechanism principle, realize the synchro variation with the bore of sealing washer and the relevance of tubular product external diameter, when the tubular product external diameter changes, the sealing washer bore also changes thereupon, makes its characteristics that have the self-adaptation regulation bore.

In order to realize the above, the utility model discloses the purpose, the technical scheme of adoption as follows:

a sealing ring for self-adaptive aperture adjustment of a pipe cooling water tank comprises a fixed disc, a movable sealing rubber block assembly with an adjustable aperture, a rotating disc, a torsion spring and a fixed cover plate.

The fixed disc is connected with the fixed cover plate, and the fixed disc and the fixed cover plate do not move relatively; the movable sealing rubber block assembly comprises a plurality of movable sealing rubber block main bodies; the movable sealing rubber block main bodies are mutually spliced to form an annular structure with an adjustable caliber; the movable sealing rubber block main body is arranged between the fixed disc and the rotating disc in a sliding manner; one end of the torsion spring is connected with the rotating disc, and the other end of the torsion spring is connected with the fixed cover plate.

The working principle of the sealing ring is as follows: when the diameter of the pipe which passes through is increased, the sealing rubber block component can rotate when being subjected to the radial force of the pipe, the caliber formed in the center of the sealing rubber block component in the rotating process can be increased along with the diameter of the pipe, and the torsion spring deforms due to the torsion force to generate elastic potential energy. When the diameter of the pipe passing through the sealing rubber block is reduced, the caliber formed by the sealing rubber block loses the supporting force of the outer diameter of the pipe, and the sealing rubber block is reversed under the action of the torsion spring releasing elastic potential energy to reduce the caliber of the sealing rubber block component. Meanwhile, the caliber formed by the sealing rubber block component can be ensured to be tightly attached to the outer diameter of the pipe under the action of the torsion spring.

As a further limited, a plurality of the sealed piece main part of gluing of activity splice each other, through sliding the sealed piece main part of gluing of activity keep away from or be close to the centre of a circle of loop configuration, realize adjusting the size of bore.

As a further limitation of the present invention, the main body of the movable sealant block is a cylinder with a sector cross section, and the side surface of the main body is surrounded by a cylindrical surface, a first rectangular surface and a second rectangular surface; the sealing rubber strip is arranged on the first rectangular surface, and the included angle between the first rectangular surface and the second rectangular surface is an acute angle; a plurality of the fan-shaped columns are mutually spliced to form an annular structure with a caliber; the size of the caliber can be adjusted by sliding the fan-shaped column away from or close to the circle center of the annular structure.

As a further limitation of the present invention, the first rectangular surface of the movable sealant block main body is provided with a convex chute; a concave sliding groove is formed in the second rectangular surface of the sealing rubber block main body; the convex sliding groove of one of the sealing rubber block main bodies is spliced with the concave sliding groove of the other adjacent sealing rubber block main body.

As a further limitation of the present invention, the movable sealing rubber block assembly further comprises a sealing rubber strip; and the convex sliding groove is provided with an embedding groove for fixing the sealing rubber strip.

As a further limitation of the present invention, the upper section of the main body of the movable sealing rubber block is provided with a first sliding column; the first sliding column is arranged on one side of the cylindrical surface; the first sliding column is connected with the rotating disc in a sliding mode; a second sliding column is arranged on the lower section of the movable sealing rubber block main body; the second sliding column is arranged on the other side of the cylindrical surface; the second sliding column is connected with the fixed disc in a sliding mode.

As a further limitation of the present invention, the rotating disc is provided with linear chutes, the number of which is the same as that of the sealing rubber blocks, the linear chutes are uniformly distributed about the center of the rotating disc, and the length direction of the linear chutes is the same as the radial direction of the rotating disc; the first sliding column is slidably arranged in the linear sliding groove.

As a further limitation of the present invention, the fixed disk is arranged in a circular ring structure, the fixed disk is provided with arc chutes, the number of which is the same as that of the main bodies of the sealing rubber blocks, and the arc chutes are uniformly distributed about the center of the fixed disk; the second sliding column is slidably arranged in the arc-shaped sliding groove.

As a further limitation of the present invention, a V-shaped notch is formed at the top of the sealing rubber strip; the included angle of the V-shaped notch is 100-120 degrees.

As a further limitation of the present invention, the inner diameter edge of the fixed cover plate is provided with a seam allowance, the seam allowance is matched with the inner circle of the rotating disc to rotate relatively.

The beneficial effects of the utility model are as follows:

sealing washer, mutually support between through being equipped with bore adjustable movable seal anchor clamps subassembly, rolling disc, torsion spring, realize synchronous change with the bore of sealing washer and the relevance of tubular product external diameter, when the tubular product external diameter changes, the sealing washer bore also changes thereupon, realizes that sealed rubber ring bore cooperates with the tubular product external diameter in real time. The problem of among the prior art when tubular product production specification changed, need the artifical sealing washer specification of changing is solved. The sealing caliber of the sealing ring can be adjusted in a self-adaptive mode according to the change of the outer diameter of the pipe, and the production efficiency of the pipe is improved.

Drawings

Fig. 1 is an exploded view of the sealing ring for self-adaptive aperture adjustment of the pipe cooling water tank of the present invention.

Fig. 2 is the utility model discloses a sealing washer work schematic diagram of pipe cooling water tank self-adaptation regulation bore.

Fig. 3 is a structural view of the fixed disk.

Fig. 4 is a block diagram of the sealant block assembly.

Fig. 5 is a structural view of the sealant block main body.

Fig. 6 is a structural view of the sealant block main body.

FIG. 7 is a cross-sectional view of the bead of sealant.

Fig. 8 is a structural view of the rotary disk.

Fig. 9 is a structural view of the fixing cover plate.

Fig. 10 is a structural view of the torsion spring.

The attached drawings are marked as follows: 1-fixing the disc; 2-sealing a rubber block component; 3-rotating the disc; 4-a torsion spring; 5-fixing the cover plate; 101-an arc chute; 201-sealing rubber block main body; 202-sealing rubber strip; 203-cylindrical surface; 204-a first rectangular face; 205-a second rectangular surface; 2011-spool; 2012-male chute (2012); 2013-caulking groove; 2014-concave chute; 2021-top of adhesive tape; 2022-bottom of adhesive tape; 301-linear chute; 302-a first spring mounting hole; 501-a second spring mounting hole; 502-spigot.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1, a sealing ring with a self-adaptive aperture adjustment for a pipe cooling water tank comprises a fixed disc 1, a movable sealing rubber block assembly 2 with an adjustable aperture, a rotating disc 3, a torsion spring 4 and a fixed cover plate 5.

The fixed disc 1 is connected with the fixed cover plate 5, and the fixed disc and the fixed cover plate do not move relatively; the movable sealing rubber block component 2 comprises a plurality of movable sealing rubber block main bodies 201; a plurality of movable sealing rubber block main bodies 201 are mutually spliced to form an annular structure with an adjustable caliber; the movable sealing rubber block main body 201 is slidably arranged between the fixed disc 1 and the rotating disc 3; one end of the torsion spring 4 is connected with the rotating disc 3, and the other end of the torsion spring 4 is connected with the fixed cover plate 5.

In the embodiment, the shapes of the fixed disk 1 and the fixed cover plate 5 are not limited, but after the fixed disk 1 and the fixed cover plate 5 are connected, a circular cavity is formed inside the fixed disk 1 and the fixed cover plate 5; the movable sealant block component 2, the rotating disc 3 and the torsion spring 4 are arranged in the annular cavity; the movable sealing rubber block component extends towards the circle center of the circular ring-shaped cavity to form an adjustable caliber.

As shown in fig. 2, the working principle of the sealing ring is as follows: when the diameter of the pipe which passes through is increased, the sealing rubber block component can rotate when being subjected to the radial force of the pipe, the caliber formed in the center of the sealing rubber block component in the rotating process can be increased along with the diameter of the pipe, and the torsion spring deforms due to the torsion. When the diameter of the pipe passing through the sealing rubber block becomes smaller, the caliber formed by the sealing rubber block loses the supporting force of the outer diameter of the pipe, and the sealing rubber block component rotates reversely under the action of the elastic force released by the torsion spring to reduce the caliber of the sealing rubber block component. Meanwhile, the caliber formed by the sealing rubber block component can be ensured to be tightly attached to the outer diameter of the pipe under the action of the torsion spring.

Example 2

As shown in fig. 1, a sealing ring for self-adaptive caliber adjustment of a pipe cooling water tank comprises a fixed disc 1, a movable sealing rubber block assembly 2, a rotating disc 3, a torsion spring 4 and a fixed cover plate 5. The fixed disc 1 is connected with the fixed cover plate 5, and the fixed disc and the fixed cover plate do not move relatively; the movable sealing rubber block component 2 comprises a plurality of movable sealing rubber block main bodies 201; a plurality of movable sealing rubber block main bodies 201 are mutually spliced to form an annular structure with an adjustable caliber; the movable sealing rubber block main body 201 is slidably arranged between the fixed disc 1 and the rotating disc 3; one end of the torsion spring 4 is connected with the rotating disc 3, and the other end of the torsion spring 4 is connected with the fixed cover plate 5.

As shown in fig. 2, the working principle of the sealing ring is as follows: when the diameter of the pipe which passes through is increased, the sealing rubber block component can rotate when being subjected to the radial force of the pipe, the caliber formed in the center of the sealing rubber block component in the rotating process can be increased along with the diameter of the pipe, and the torsion spring deforms due to the torsion force to generate elastic potential energy. When the diameter of the pipe passing through the sealing rubber block is reduced, the caliber formed by the sealing rubber block loses the supporting force of the outer diameter of the pipe, and the sealing rubber block rotates reversely under the action of the torsion spring releasing the elastic potential energy to reduce the caliber of the sealing rubber block. Meanwhile, the caliber formed by the sealing rubber block can be ensured to be tightly attached to the outer diameter of the pipe under the action of the torsion spring.

In this embodiment, as shown in fig. 4, the movable sealing rubber block assembly 2 includes a plurality of movable sealing rubber block main bodies 201; the main body of the movable sealing rubber block is made of hard materials, in particular hard plastics; as shown in fig. 5, the movable sealant block main body 201 is a cylinder with a sector cross section, and the side surface thereof is surrounded by a cylindrical surface 203, a first rectangular surface 204, and a second rectangular surface 205; an included angle between the first rectangular surface 204 and the second rectangular surface 205 is an acute angle; the sealing rubber strip 202 is arranged on a first rectangular surface 204; a plurality of the fan-shaped cylinders are mutually spliced to form an annular structure; the size of the caliber can be adjusted by sliding the fan-shaped column away from or close to the circle center of the annular structure.

In this embodiment, as shown in fig. 5 and 6, the movable sealant block main body 201 is a cylinder with a sector-shaped cross section, and the side surface thereof is surrounded by a cylindrical surface 203, a first rectangular surface 204, and a second rectangular surface 205; the sealing rubber strip 202 is provided with a first rectangular surface; the first rectangular surface of the movable sealant block main body 201 is provided with a convex sliding groove 2012. The second rectangular surface of the sealant block main body 201 is provided with a concave chute 2014. The convex runner 2012 arranged on one of the sealant block main bodies 201 is spliced with the concave runner 2014 arranged on the other adjacent sealant block main body 201.

In this embodiment, as shown in fig. 5, the movable sealant block assembly 2 further includes a sealant strip 202, the sealant strip 202 is made of a soft material, specifically, a soft rubber, the sealant strip 202 is disposed on one side of the movable sealant block main body 201, the sealant strip 202 is fixedly disposed in the groove 2013 of the convex chute 2012, and the two adjacent movable sealant block main bodies 201 are spliced by the sealant strip 202. The sealing rubber strip has the advantages that the two adjacent movable sealing rubber block main bodies 201 are sealed under the action of the sealing rubber strip, and the sealing rubber strip (202) can form a full-circle rubber ring all the time in a circular caliber formed by the movable sealing rubber block assemblies (2), so that the sealing effect is further enhanced.

In this embodiment, as shown in fig. 6, a first sliding column 2011 is disposed on an upper section of the movable sealant block main body 201; the first plunger 2011 is arranged on one side of the cylindrical surface 203; the first sliding column 2011 is slidably connected with the rotating disc 3; a second sliding column is arranged on the lower section of the movable sealing rubber block main body 201; the second sliding column is arranged on the other side of the cylindrical surface 203; the second sliding column is connected with the fixed disc 1 in a sliding way.

In this embodiment, as shown in fig. 8, the rotating disc 3 is provided with linear sliding grooves 301, the number of which is the same as that of the sealant block main bodies 201, the linear sliding grooves 301 are uniformly distributed about the center of the rotating disc 3, and the length direction of the linear sliding grooves 301 is the same as the radial direction of the rotating disc 3; the first slide post 2011 is slidably disposed in the linear chute 301, and the length of the linear chute 301 can be designed according to specific industrial production process conditions.

In this embodiment, as shown in fig. 3, the fixed disk 1 is configured as a circular ring structure, the fixed disk 1 is provided with arc-shaped sliding grooves 101, the number of which is the same as that of the sealant block main bodies 201, and the arc-shaped sliding grooves 101 are uniformly distributed about the center of the fixed disk 1; the second sliding column is slidably disposed in the arc-shaped sliding chute 101, and the arc length of the arc-shaped sliding chute 101 can be designed according to a specific industrial production process.

In this embodiment, the movable sealant block assembly 2 is composed of a plurality of movable sealant block main bodies 201 with sector-shaped cross sections, and forms a circular structure, when the first sliding columns 201 and the second sliding columns of the plurality of movable sealant block main bodies 201 move leftward, the fixed disc is a fixed structure and does not move, and the rotating disc 3 also moves leftward, due to the effect of the linear sliding grooves 301, the first sliding columns move toward the center of the rotating disc, so as to drive the sealant block main bodies 201 to move toward the center of the rotating disc, thereby forming a certain aperture.

The working process comprises the following steps: when the tubular product diameter grow that passes, sealed block subassembly 2 can take place to rotate when receiving the radial power of tubular product, rotates the bore that sealed block subassembly 2 center formed among the process and can follow tubular product diameter grow and grow, and torque spring 4 takes place deformation because of receiving torsion this moment, produces elastic potential energy. When the diameter of the pipe passing through the sealing rubber block assembly is reduced, the caliber formed by the sealing rubber block assembly loses the supporting force of the outer diameter of the pipe, and the sealing rubber block assembly rotates reversely under the action of the torsion spring 4 releasing the elastic potential energy, so that the caliber formed by the sealing rubber block assembly is reduced. Meanwhile, under the action of the torsion spring 4, the caliber formed by the sealing rubber block component can be ensured to be tightly attached to the outer diameter of the pipe, and under the action of the sealing rubber strip 202, the outer diameter of the pipe and the caliber formed by the sealing rubber block component can be completely sealed.

Example 3

Based on the sealing ring for adaptively adjusting the caliber of the pipe cooling water tank shown in embodiment 1 or embodiment 2, the embodiment is further described as follows:

in this embodiment, as shown in fig. 3, the fixed disk 1 is configured as a circular ring structure, the fixed disk 1 is provided with arc-shaped sliding grooves 101, the number of which is the same as that of the sealant block main bodies 201, and the arc-shaped sliding grooves 101 are uniformly distributed around the center of the fixed disk 1; the arc chute 101 has a certain inclination angle, and the inclination angle is set to 5 to 15 degrees in this embodiment.

In this embodiment, as shown in fig. 7, a V-shaped notch is formed at the top of the sealing rubber strip 202; the included angle of the V-shaped notch is 100-120 degrees.

In the present embodiment, as shown in fig. 8, the rotating disk 3 is provided with a first spring hole. As shown in fig. 9, the fixed cover 5 is provided with a second spring hole. As shown in fig. 8, two ends of the torsion spring 4 are respectively disposed in the first spring hole and the second spring hole.

The function of the torsion spring is as follows: when the sealing rubber block component does not form a caliber, the torsion spring does not deform, and elastic potential energy and acting force are not generated; when the sealing rubber block component forms a caliber, the torsion spring deforms to generate elastic potential energy and generate a counterforce which is opposite to the supporting force of the outer diameter of the pipe, so that the caliber formed by the sealing rubber block component is tightly attached to the outer diameter of the pipe.

In this embodiment, as shown in fig. 9, the inner diameter edge of the fixed cover plate 5 is provided with a spigot 502, and the spigot 502 is in a circular ring structure and is matched with the inner circle of the rotating disc 3 to rotate relatively. The spigot 502 and the fixing plate are provided with a gap structure, and one end of the sealant block main body 201 extends to the center of the fixed disk through the gap structure.

When the tubular product diameter grow that passes, sealed block subassembly 2 can take place to rotate when receiving the radial power of tubular product, rotates the bore that sealed block subassembly 2 center formed among the process and can follow tubular product diameter grow and grow, and torque spring 4 takes place deformation because of receiving torsion this moment, produces elastic potential energy. When the diameter of the pipe passing through the sealing rubber block becomes smaller, the inner circle formed by the sealing rubber block loses the supporting force of the outer diameter of the pipe, the sealing rubber block reversely rotates under the action of the torsion spring 4 releasing elastic potential energy to enable the caliber of the sealing rubber block to become smaller, meanwhile, the caliber formed by the sealing rubber block component can be tightly attached to the outer diameter of the pipe under the action of the torsion spring 4, and the outer diameter of the pipe and the caliber formed by the sealing rubber block can be completely sealed under the action of the sealing rubber strip 202.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a sealing washer of pipe cooling water tank self-adaptation regulation bore which characterized in that: comprises a fixed disc (1), a movable sealing rubber block component (2), a rotating disc (3), a torsion spring (4) and a fixed cover plate (5); the fixed disc (1) is connected with the fixed cover plate (5) and does not move relatively; the movable sealing rubber block assembly (2) comprises a plurality of movable sealing rubber block main bodies (201); the movable sealing rubber block main bodies (201) are mutually spliced to form an annular structure with an adjustable caliber; the movable sealing rubber block main body (201) is arranged between the fixed disc (1) and the rotating disc (3) in a sliding manner; one end of the torsion spring (4) is connected with the rotating disc (3), and the other end of the torsion spring (4) is connected with the fixed cover plate (5).

2. The sealing ring for self-adaptive caliber adjustment of the pipe cooling water tank according to claim 1, is characterized in that: the movable sealing rubber block main bodies (201) are mutually spliced, and the size of the caliber is adjusted by sliding the movable sealing rubber block main bodies (201) away from or close to the circle center of the annular structure.

3. The sealing ring for the self-adaptive caliber adjustment of the pipe cooling water tank as claimed in claim 2, wherein: the movable sealing rubber block main body (201) is a cylinder with a sector section, and the side surface of the movable sealing rubber block main body is surrounded by a cylindrical surface (203), a first rectangular surface (204) and a second rectangular surface (205); an included angle between the first rectangular surface (204) and the second rectangular surface (205) is an acute angle; a sealing rubber strip (202) is arranged on the first rectangular surface (204); a plurality of fan-shaped columns are mutually spliced to form an annular structure; the size of the caliber can be adjusted by sliding the fan-shaped column away from or close to the circle center of the annular structure.

4. The sealing ring for self-adaptive caliber adjustment of the pipe cooling water tank according to claim 3, is characterized in that: a convex sliding groove (2012) is formed in the first rectangular surface (204) of the movable sealing rubber block main body (201); a concave sliding groove (2014) is formed in a second rectangular surface (205) of the sealing rubber block main body (201); the convex sliding groove (2012) of one of the sealant block main bodies (201) is spliced with the concave sliding groove (2014) of the other adjacent sealant block main body (201).

5. The sealing ring for self-adaptive caliber adjustment of the pipe cooling water tank according to claim 4, is characterized in that: the movable sealing rubber block component (2) further comprises a sealing rubber strip (202); and a caulking groove (2013) for fixing the sealing rubber strip (202) is arranged on the convex sliding groove (2012).

6. The sealing ring for the self-adaptive caliber adjustment of the pipe cooling water tank according to any one of claims 3 to 5, wherein: a first sliding column (2011) is arranged on the upper section of the movable sealing rubber block main body (201); the first slide post (2011) is arranged on one side of the cylindrical surface (203); the first sliding column (2011) is connected with the rotating disc (3) in a sliding mode; a second sliding column is arranged on the lower section of the movable sealing rubber block main body (201); the second sliding column is arranged on the other side of the cylindrical surface (203); the second sliding column is connected with the fixed disc (1) in a sliding way.

7. The sealing ring for self-adaptive caliber adjustment of the pipe cooling water tank according to claim 6, is characterized in that: the rotary disc (3) is provided with linear sliding grooves (301) the number of which is the same as that of the sealing rubber block main bodies (201), the linear sliding grooves (301) are uniformly distributed around the circle center of the rotary disc (3), and the length direction of the linear sliding grooves (301) is the same as the radial direction of the rotary disc (3); the first slide post (2011) is slidably disposed in the linear slide slot (301).

8. The sealing ring for the self-adaptive caliber adjustment of the pipe cooling water tank as claimed in claim 6, wherein: the fixed disc (1) is of a circular ring structure, the fixed disc (1) is provided with arc-shaped sliding grooves (101) of which the number is the same as that of the sealing rubber block main bodies (201), and the arc-shaped sliding grooves (101) are uniformly distributed around the circle center of the fixed disc (1); the second sliding column is slidably arranged in the arc sliding groove (101).

9. The self-adaptive caliber-adjustable sealing ring of the pipe cooling water tank according to any one of claims 3, 5, 7 and 8, is characterized in that: the top of the sealing rubber strip (202) is provided with a V-shaped notch; the included angle of the V-shaped notch is 100-120 degrees.

10. The sealing ring for self-adaptive caliber adjustment of the pipe cooling water tank according to claim 1, is characterized in that: the inner diameter edge of the fixed cover plate (5) is provided with a spigot (502), and the spigot (502) is matched with the inner circle of the rotating disc (3) to rotate relatively.