CN219176941U

CN219176941U - Assembled composite gasket for extruder

Info

Publication number: CN219176941U
Application number: CN202320206230.8U
Authority: CN
Inventors: 叶建平; 叶鑫; 罗林航; 唐琦帆
Original assignee: Ningbo Aituo Sealing Technology Co ltd
Current assignee: Ningbo Aituo Sealing Technology Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-06-13
Anticipated expiration: 2033-02-06

Abstract

According to the assembled composite gasket for the extruder disclosed by the utility model, the fixing structure comprising the fixing sliding sleeve, the L-shaped clamping block and the extension spring is arranged between the composite gasket body and the connecting seat, an operator correspondingly inserts the L-shaped clamping block on the composite gasket body into the clamping groove on the connecting seat, the L-shaped clamping block is tightly abutted against the clamping groove on the connecting seat by utilizing the extension spring, so that the relative fixation between the composite gasket body and the connecting seat is realized, the L-shaped clamping block is matched with the clamping groove to prevent the composite gasket body from shifting on the connecting seat, and the stable installation operation of the composite gasket body and the connecting seat is facilitated; the coaxial thread ring fixedly connected to the steel wire ring and the annular thread groove arranged on the connecting seat are arranged between the composite gasket body and the connecting seat, and the threaded ring is in threaded connection with the annular thread groove, so that the relative fixation between the composite gasket body and the connecting seat is realized, and the deformation resistance of the composite gasket body can be enhanced through the arranged metal reinforcing column.

Description

Assembled composite gasket for extruder

Technical Field

The utility model relates to the technical field of composite gaskets, in particular to an assembled composite gasket for an extruder.

Background

The extruder is the main equipment for producing light alloy (aluminum alloy, copper alloy gold) tubes, bars and sectional materials, and mainly consists of three parts: mechanical, hydraulic and electrical parts. The assembled composite gasket for the extruder is a wound gasket, the wound gasket is a sealing gasket with wide application, is formed by alternately winding V-shaped or W-shaped thin steel strips and various fillers, can resist high temperature and high pressure and adapt to the conditions of ultralow temperature or vacuum, can solve the problem of chemical corrosion of various media to the gasket by changing the material combination of the gasket, can be manufactured according to different locking force requirements, is provided with a metal inner reinforcing ring and an outer positioning ring for reinforcing a main body and accurately positioning, and has low surface precision requirements on flange sealing surfaces contacted with the gasket by utilizing the inner steel ring and the outer steel ring to control the maximum compression degree.

In practical application, it is found that most of the existing assembled composite gaskets for the extruder are simple annular bodies, and cannot be directly fixed with other connecting structures (such as flanges), so that the composite gaskets are easy to shift and slide in the connecting structures in the installation process, and are not easy to stably install.

Disclosure of Invention

The utility model aims to solve the defects of the technology and provides an assembled composite gasket for an extruder.

The assembled composite gasket for the extruder comprises a composite gasket body connected with a connecting seat, wherein a fixing structure is connected between the composite gasket body and the connecting seat, the composite gasket body is detachably connected with the connecting seat through the fixing structure, the periphery of the composite gasket body is connected with a reinforcing structure, the reinforcing structure comprises a plurality of metal reinforcing columns, a plurality of fixing holes are uniformly formed in the periphery of the composite gasket body, and the metal reinforcing columns are correspondingly fixed through the fixing holes one by one.

Further, the composite gasket body sequentially comprises a steel wire ring, an inner sealing ring, an intermediate sealing ring and an outer sealing ring from inside to outside, the fixing structure is connected with the steel wire ring, and the fixing holes are formed in the steel wire ring, the inner sealing ring, the intermediate sealing ring and the outer sealing ring.

Further, the fixed knot constructs including coaxial line fixed connection on the steel wire ring and set up the annular thread groove on the connecting seat, screw thread ring and annular thread groove threaded connection.

Further, a plurality of auxiliary slots are arranged at the side end, far away from the threaded ring, of the inner sealing ring, and the auxiliary slots are uniformly distributed on the inner sealing ring.

Further, fixed knot constructs including fixed sliding sleeve, L type fixture block and extension spring, fixed sliding sleeve and the inner wall fixed connection of steel wire ring, the one end sliding connection of L type fixture block is in the inboard of fixed sliding sleeve, extension spring fixed connection is between the inner wall of fixed sliding sleeve and L type fixture block, the inner wall of connecting seat is provided with the draw-in groove with L type fixture block looks adaptation.

Further, a first inclined plane is arranged at the part of the L-shaped clamping block, which is close to the inner wall of the connecting seat, and the clamping groove is matched with the first inclined plane.

Further, the two opposite side ends of the L-shaped clamping block are respectively provided with a second inclined plane, the two second inclined planes are respectively positioned at the two sides of the first inclined plane, and the clamping groove is matched with the second inclined planes.

According to the assembled composite gasket for the extruder, the fixing structure comprising the fixing sliding sleeve, the L-shaped clamping blocks and the extension springs is arranged between the composite gasket body and the connecting seat, an operator correspondingly inserts the L-shaped clamping blocks on the composite gasket body into the clamping grooves on the connecting seat, the L-shaped clamping blocks are tightly abutted against the clamping grooves on the connecting seat by the extension springs, so that the relative fixation between the composite gasket body and the connecting seat is realized, the L-shaped clamping blocks are matched with the clamping grooves to prevent the composite gasket body from shifting on the connecting seat, and the stable installation operation of the composite gasket body and the connecting seat is facilitated;

according to the assembled composite gasket for the extruder, the threaded ring which is coaxially and fixedly connected to the steel wire ring and the annular threaded groove which is arranged on the connecting seat are arranged between the composite gasket body and the connecting seat, so that an operator can insert a rod-shaped tool into the auxiliary slot to rotate the composite gasket body to enable the threaded ring to be in threaded connection with the annular threaded groove, the relative fixation between the composite gasket body and the connecting seat is realized, the composite gasket body can be prevented from shifting on the connecting seat, the stable installation operation of the composite gasket body and the connecting seat is facilitated, and the deformation resistance of the composite gasket body can be enhanced through the arranged metal reinforcing column.

Drawings

FIG. 1 is a schematic overall structure of embodiment 1;

FIG. 2 is a schematic diagram of the split structure of embodiment 1;

FIG. 3 is a schematic diagram of the split structure of the composite shim body of embodiment 1;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

FIG. 5 is a schematic overall structure of embodiment 2;

fig. 6 is a schematic diagram of the split structure of embodiment 2.

In the figure: 1. a composite gasket body; 101. a wire ring; 102. an inner seal ring; 103. an intermediate seal ring; 104. an outer seal ring; 2. a connecting seat; 3. a fixed structure; 301. a threaded ring; 302. an annular thread groove; 303. fixing the sliding sleeve; 304. an L-shaped clamping block; 305. a tension spring; 306. a clamping groove; 307. a first inclined surface; 308. a second inclined surface; 4. an auxiliary slot; 5. a metal reinforcing column; 6. and a fixing hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

Example 1:

as shown in fig. 1, the assembled composite gasket for an extruder described in this embodiment includes a composite gasket body 1 connected with a connecting seat 2, where the connecting seat 2 is used for connecting a pipe structure on the extruder, and in this embodiment, a flange is taken as an example.

The composite gasket body 1 comprises a steel wire ring 101, an inner sealing ring 102, an intermediate sealing ring 103 and an outer sealing ring 104 from inside to outside as shown in fig. 3.

The wire ring 101 is typically formed by rolling and welding stainless steel wires or other alloy wires with diameters of 0.6-0.8 times the thickness of the gasket depending on the contact medium), and the weld joint should be polished smooth and flush with the base metal.

The starting end of the metal winding belt is spot-welded (3-5 points) on the steel wire ring, then the metal winding belt and the non-metal belt are alternately wound to form an inner sealing ring 102, and the outermost surface of the inner sealing ring 102 is wound with a plurality of circles of metal winding belts and the end is fixed by spot welding;

the inner diameter of the intermediate seal ring 103 is determined according to the outer diameter of the inner seal ring 102, the intermediate seal ring 103 is wound by a metal winding belt and a non-metal belt, and the innermost layer and the outermost layer of the intermediate seal ring 103 are both fixed by spot welding. The intermediate sealing ring 103 should ensure that the inner sealing ring 102 can smoothly nest into the intermediate sealing ring 103, but will not fall off.

The inner diameter of the outer seal ring 104 is determined according to the outer diameter of the intermediate seal ring 103, and the manufacturing method is the same as that of the intermediate seal ring 103, and the intermediate seal ring 103 is ensured to be smoothly sleeved into the outer seal ring 104.

The number of the intermediate sealing rings 103 and the outer sealing rings 104 is determined according to the thickness of the sealing surfaces, the number of the intermediate sealing rings 103 is generally 1-3, and the number of the outer sealing rings 104 is generally 1.

The wire ring 101, the inner seal ring 102, the intermediate seal ring 103 and the outer seal ring 104 are assembled by adopting a conventional assembly mode in the prior art.

As shown in fig. 1, a fixing structure 3 is connected between the composite gasket body 1 and the connection seat 2, and the composite gasket body 1 is detachably connected with the connection seat 2 through the fixing structure 3.

Specifically, as shown in fig. 2, fig. 3 and fig. 4, the fixing structure 3 in this embodiment includes a fixing sliding sleeve 303, an L-shaped clamping block 304 and an extension spring 305, the fixing sliding sleeve 303 is fixedly connected with the inner wall of the steel wire ring 101, one end of the L-shaped clamping block 304 is slidably connected to the inner side of the fixing sliding sleeve 303, the extension spring 305 is fixedly connected between the inner wall of the fixing sliding sleeve 303 and the L-shaped clamping block 304, a clamping groove 306 adapted to the L-shaped clamping block 304 is provided on the inner wall of the connecting seat 2, when the composite gasket body 1 is connected with the connecting seat 2, the L-shaped clamping block 304 on the composite gasket body 1 is correspondingly inserted into the clamping groove 306 on the connecting seat 2, the L-shaped clamping block 304 is tightly abutted to the clamping groove 306 on the connecting seat 2 by using the extension spring 305, so that the relative fixation between the composite gasket body 1 and the connecting seat 2 is realized, the L-shaped clamping block 304 is matched with the clamping groove 306 to prevent the displacement of the composite gasket body 1 on the connecting seat 2, and the stable installation operation of the composite gasket body 1 and the connecting seat 2 is facilitated.

In order to facilitate the L-shaped clamping block 304 to be clamped into the inner side of the connecting seat 2, as shown in fig. 4, a first inclined surface 307 is disposed at a portion of the L-shaped clamping block 304 close to the inner wall of the connecting seat 2, and the clamping groove 306 is adapted to the first inclined surface 307.

In order to further facilitate the clamping of the L-shaped clamping block 304 into the clamping groove 306, as shown in fig. 4, two opposite side ends of the L-shaped clamping block 304 are respectively provided with a second inclined plane 308, and the two second inclined planes 308 are respectively located at two sides of the first inclined plane 307, and the clamping groove 306 is matched with the second inclined plane 308.

As shown in fig. 2, the periphery of the composite gasket body 1 is connected with a reinforcing structure, the reinforcing structure includes a plurality of metal reinforcing columns 5, the periphery of the composite gasket body 1 is uniformly provided with a plurality of fixing holes 6, the plurality of metal reinforcing columns 5 are fixed to penetrate the plurality of fixing holes 6 in a one-to-one correspondence manner, the fixing structure 3 is connected with the steel wire ring 101, the fixing holes 6 are formed in the steel wire ring 101, the inner sealing ring 102, the middle sealing ring 103 and the outer sealing ring 104, after the steel wire ring 101, the inner sealing ring 102, the middle sealing ring 103 and the outer sealing ring 104 are assembled from inside to outside, the fixing holes 6 are correspondingly formed in the inner sealing ring 102, the middle sealing ring 103 and the outer sealing ring 104, and the metal reinforcing columns 5 are fixed to penetrate the fixing holes 6 (for example, interference fit) so as to strengthen the deformation resistance of the composite gasket body 1.

When the embodiment is implemented, an operator correspondingly inserts the L-shaped clamping block 304 on the composite gasket body 1 into the clamping groove 306 on the connecting seat 2, the L-shaped clamping block 304 is tightly abutted in the clamping groove 306 on the connecting seat 2 by utilizing the tension spring 305, the relative fixation between the composite gasket body 1 and the connecting seat 2 is realized, the L-shaped clamping block 304 is matched with the clamping groove 306 to prevent the composite gasket body 1 from shifting on the connecting seat 2, and the stable installation operation of the composite gasket body 1 and the connecting seat 2 is facilitated.

Example 2:

as shown in fig. 6, the fixing structure 3 includes a threaded ring 301 coaxially and fixedly connected to the steel wire ring 101, and an annular threaded groove 302 disposed on the connection seat 2, where the threaded ring 301 is in threaded connection with the annular threaded groove 302, so as to realize relative fixation between the composite gasket body 1 and the connection seat 2.

In order to facilitate the rotation of the composite gasket body 1 to connect the threaded ring 301 with the annular threaded groove 302, as shown in fig. 5, a plurality of auxiliary slots 4 are disposed at the side end of the inner sealing ring 102 away from the threaded ring 301, and the plurality of auxiliary slots 4 are uniformly distributed on the inner sealing ring 102, and an operator can insert a rod-shaped tool into the auxiliary slots 4 to rotate the composite gasket body 1.

When the embodiment is implemented, an operator can insert a rod-shaped tool into the auxiliary slot 4 to rotate the composite gasket body 1 so as to connect the threaded ring 301 with the annular threaded groove 302 in a threaded manner, thereby realizing the relative fixation between the composite gasket body 1 and the connecting seat 2, preventing the composite gasket body 1 from shifting on the connecting seat 2, and facilitating the stable installation operation of the composite gasket body 1 and the connecting seat 2.

The present utility model is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model, however, any change in shape or structure of the product is within the scope of the present utility model, and all the products having the same or similar technical solutions as the present application are included.

Claims

1. The assembled composite gasket for the extruder comprises a composite gasket body (1) connected with a connecting seat (2), and is characterized in that a fixing structure (3) is connected between the composite gasket body (1) and the connecting seat (2), the composite gasket body (1) is detachably connected with the connecting seat (2) through the fixing structure (3), the periphery of the composite gasket body (1) is connected with a reinforcing structure, the reinforcing structure comprises a plurality of metal reinforcing columns (5), a plurality of fixing holes (6) are uniformly formed in the periphery of the composite gasket body (1), and the metal reinforcing columns (5) are fixedly penetrated through the fixing holes (6) in a one-to-one correspondence mode.

2. The assembled composite gasket for the extruder according to claim 1, wherein the composite gasket body (1) comprises a steel wire ring (101), an inner sealing ring (102), an intermediate sealing ring (103) and an outer sealing ring (104) from inside to outside in sequence, the fixing structure (3) is connected with the steel wire ring (101), and the fixing holes (6) are formed in the steel wire ring (101), the inner sealing ring (102), the intermediate sealing ring (103) and the outer sealing ring (104).

3. The assembled composite gasket for an extruder according to claim 2, wherein the fixing structure (3) comprises a threaded ring (301) coaxially and fixedly connected to the wire ring (101), and an annular threaded groove (302) provided on the connecting seat (2), and the threaded ring (301) is in threaded connection with the annular threaded groove (302).

4. A composite gasket for an extruder according to claim 3, wherein the side end of the inner sealing ring (102) remote from the threaded ring (301) is provided with a plurality of auxiliary slots (4), and the plurality of auxiliary slots (4) are uniformly distributed on the inner sealing ring (102).

5. The assembled composite gasket for the extruder according to claim 2, wherein the fixing structure (3) comprises a fixing sliding sleeve (303), an L-shaped clamping block (304) and an extension spring (305), the fixing sliding sleeve (303) is fixedly connected with the inner wall of the steel wire ring (101), one end of the L-shaped clamping block (304) is slidably connected with the inner side of the fixing sliding sleeve (303), the extension spring (305) is fixedly connected between the inner wall of the fixing sliding sleeve (303) and the L-shaped clamping block (304), and a clamping groove (306) matched with the L-shaped clamping block (304) is formed in the inner wall of the connecting seat (2).

6. The assembled composite gasket for the extruder of claim 5, wherein a first inclined surface (307) is arranged at a part of the L-shaped clamping block (304) close to the inner wall of the connecting seat (2), and the clamping groove (306) is matched with the first inclined surface (307).

7. The assembled composite gasket for the extruder of claim 6, wherein the two opposite side ends of the L-shaped clamping block (304) are respectively provided with a second inclined plane (308), the two second inclined planes (308) are respectively positioned at two sides of the first inclined plane (307), and the clamping groove (306) is matched with the second inclined plane (308).