CN219335896U

CN219335896U - Ceramic intermediate pipe

Info

Publication number: CN219335896U
Application number: CN202320361737.0U
Authority: CN
Inventors: 孙晓鹏; 刁玉萍; 刘超; 姜晨; 付裕; 张利剑
Original assignee: Dalian Xinxiang Industrial Materials Co ltd
Current assignee: Dalian Xinxiang Industrial Materials Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-14
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to the technical field of ceramic tubes, and discloses a ceramic intermediate tube, which comprises a ceramic tube main body, wherein the ceramic tube main body comprises an outer tube body, an inner tube body is inserted into the outer tube body and used for aluminum liquid drainage, the outer side of a feeding port of the inner tube body is connected with a fixing sleeve, and the opening of the outer tube body is tightly covered by the fixing sleeve and is fixed by expansion with contraction with cold; the positioning mechanisms are arranged on the outer sides of the outer pipe body and the inner pipe body, and the number of the positioning mechanisms is at least one. The inner pipe body is adopted to form the inner pipe in the outer pipe body, so that the outer pipe body is replaced to drain aluminum liquid, the replacement cost burden is reduced, in addition, the fixing sleeve is tightly attached to the opening of the outer pipe body and is thermally expanded due to the heat of the aluminum liquid, so that the fixing sleeve and the outer pipe body are tightly fixed.

Description

Ceramic intermediate pipe

Technical Field

The utility model relates to the technical field of ceramic tubes, in particular to a ceramic intermediate tube.

Background

Aluminum castings refer to devices and devices of pure aluminum or aluminum alloys obtained by casting processes. Aluminum or aluminum alloy parts of various shapes and sizes obtained by casting aluminum or aluminum alloy heated to a liquid state into a cavity using a sand mold or a metal mold are generally called aluminum die castings.

Traditional pouring aluminum part can use ceramic intermediate tube when carrying out drainage to the aluminium liquid, and in long-time use, high temperature aluminium liquid can permeate and corrode the inner wall of ceramic tube, leads to ceramic tube to need to carry out periodic replacement, if the ceramic tube of whole change certainly has increased the cost burden, still has certain inconvenience in the in-service use, consequently need a ceramic intermediate tube to solve above-mentioned problem urgently.

Disclosure of Invention

In order to overcome the technical problems described above, the present utility model aims to provide a ceramic intermediate tube, so as to solve the problems that the conventional casting aluminum piece proposed in the above background art uses the ceramic intermediate tube when draining aluminum liquid, and in long-time use, high-temperature aluminum liquid can permeate and corrode the inner wall of the ceramic tube, so that the ceramic tube needs to be replaced regularly, and if the ceramic tube is replaced entirely, the cost burden is increased, and certain inconvenience still exists in practical use.

The utility model provides the following technical scheme: the ceramic intermediate pipe comprises a ceramic pipe main body, wherein the ceramic pipe main body comprises an outer pipe body, an inner pipe body is inserted into the outer pipe body and used for aluminum liquid drainage, a fixing sleeve is connected to the outer side of a feeding hole of the inner pipe body, the opening of the outer pipe body is tightly covered by the fixing sleeve, and the ceramic intermediate pipe is fixed by thermal expansion and cold contraction;

the positioning mechanism, positioning mechanism sets up in the outside of outer body and interior body discharge gate, and positioning mechanism's quantity is at least one, adopts interior body to form the inner tube in outer body to replace outer body to drain aluminium liquid, reduce the replacement cost burden, the opening part of fixed cover and outer body closely laminates in addition, receives the heat of aluminium liquid and takes place the thermal expansion, makes the two closely fixed, compares with prior art, and this device changes convenient operation, and need not to change ceramic tube is whole, has reduced maintenance cost.

Further, the limiting grooves are formed in the inner wall of the opening of the outer pipe body, the number of the limiting grooves is at least one, limiting blocks are slidably mounted in the limiting grooves, the limiting blocks are connected to the outer surface of the inner pipe body, and the inner pipe body cannot rotate and deviate in the outer pipe body due to the fact that the limiting grooves and the limiting blocks are used for limiting.

Further, the outer surface of the outer pipe outside the limiting groove is embedded and sleeved with auxiliary stabilizing rings, the number of the auxiliary stabilizing rings is at least two, the auxiliary stabilizing rings are stainless steel members, and the integral strength of the outer pipe body at the limiting groove is improved by the aid of the auxiliary stabilizing rings.

Further, the pan feeding side of fixed cover is connected with the receiving hopper for supplementary drainage promotes the whole drainage effect of interior body, avoids the aluminium liquid to overflow from interior body top.

Further, positioning mechanism includes the thread bush, the thread bush embedding is installed on outer body, the locating hole has been seted up on the interior body of thread bush bottom, movable sleeve has cup jointed the bolt in the thread bush, and the bottom of bolt extends to in the locating hole, adopts the thread bush to engage spacingly to the bolt to make bolt and locating hole carry out simple spacing, promote the stable effect of interior body and outer body.

Further, the positioning mechanism further comprises a hiding groove, the hiding groove is formed in the outer surface of the outer pipe body, the threaded sleeve is located inside the hiding groove, the top end of the bolt is parallel to the opening of the hiding groove, and the bolt can be hidden in the hiding groove.

The utility model has the technical effects and advantages that:

1. according to the utility model, the inner pipe body and the fixing sleeve are arranged, and the inner pipe body is adopted to form the inner pipe in the outer pipe body, so that the outer pipe body is replaced to drain the aluminum liquid, the load of replacement cost is reduced, in addition, the fixing sleeve is tightly attached to the opening of the outer pipe body, and the fixing sleeve is heated by the heat of the aluminum liquid to generate thermal expansion, so that the fixing sleeve and the fixing sleeve are tightly fixed.

2. According to the utility model, the threaded sleeve, the positioning hole and the bolt are arranged, and the threaded sleeve is adopted to carry out meshing limit on the bolt, so that the bolt and the positioning hole are simply limited, and the stabilizing effect of the inner pipe body and the outer pipe body is improved.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the overall structure of the present utility model.

Fig. 2 is a schematic front view of the overall structure of the present utility model.

Fig. 3 is a schematic top view of the inner tubular structure of the present utility model.

Fig. 4 is an enlarged schematic view of a portion of the structure of fig. 1 a according to the present utility model.

The reference numerals are: 1. a ceramic tube body; 110. an outer tube body; 111. an inner tube body; 112. a fixed sleeve; 113. a receiving hopper; 114. a limit groove; 115. a limiting block; 116. an auxiliary stabilizing ring; 2. a positioning mechanism; 210. a thread sleeve; 211. positioning holes; 212. a bolt; 213. hiding the groove.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1-3 in the drawings of the specification, the utility model provides a ceramic intermediate tube, which comprises a ceramic tube main body 1, wherein the ceramic tube main body 1 comprises an outer tube body 110, an inner tube body 111 is inserted into the outer tube body 110 and used for aluminum liquid drainage, the outer side of a feed inlet of the inner tube body 111 is connected with a fixing sleeve 112, and the opening of the outer tube body 110 is tightly covered by the fixing sleeve 112 and is fixed by heat expansion and cold contraction;

the positioning mechanism 2, positioning mechanism 2 sets up in the outside of outer body 110 and interior body 111 discharge gate, and the quantity of positioning mechanism 2 is at least one, the spacing groove 114 has been seted up on the opening part inner wall of outer body 110, and the quantity of spacing groove 114 is at least one, slidable mounting has stopper 115 in the spacing groove 114, and the connection of stopper 115 is on the surface of interior body 111, the embedded auxiliary steady ring 116 that has cup jointed on the outer surface of outer body 110 in the spacing groove 114 outside, the quantity of auxiliary steady ring 116 is two at least, and auxiliary steady ring 116 is the stainless steel member.

Working principle: when the aluminum liquid drainage device is used, the receiving hopper 113 and the inner pipe body 111 can effectively drain the aluminum liquid; after long-time use, the whole of the outer tube body 110 and the inner tube body 111 can be cooled, the opening parts of the fixing sleeve 112 and the outer tube body 110 expand with heat and contract with cold, residual aluminum liquid in the inner tube body 111 is solidified, the fixing sleeve 112 and the inner tube body 111 are pulled out of the outer tube body 110, the other inner tube body 111 and the fixing sleeve 112 are taken to be inserted into the outer tube body 110 again, and the alignment of the limiting groove 114 and the limiting block 115 is ensured.

Embodiment two:

referring to fig. 4 of the drawings, the second embodiment differs from the first embodiment in that: the positioning mechanism 2 comprises a thread sleeve 210, the thread sleeve 210 is embedded and installed on the outer pipe body 110, a positioning hole 211 is formed in the inner pipe body 111 at the bottom end of the thread sleeve 210, a bolt 212 is movably sleeved in the thread sleeve 210, the bottom end of the bolt 212 extends into the positioning hole 211, the positioning mechanism 2 further comprises a hiding groove 213, the outer surface of the outer pipe body 110 is provided with the hiding groove 213, the thread sleeve 210 is located inside the hiding groove 213, and the top end of the bolt 212 is highly parallel to the opening of the hiding groove 213.

Working principle: after the installation is completed, the bolt 212 may be screwed into the threaded sleeve 210, and the tail end of the bolt 212 may be inserted into the positioning hole 211, so as to improve the overall fixing effect of the outer pipe body 110 and the inner pipe body 111.

Claims

1. A ceramic intermediate tube comprising a ceramic tube body (1), the ceramic tube body (1) comprising an outer tube body (110), characterized in that: an inner pipe body (111) is inserted into the outer pipe body (110) and used for guiding aluminum liquid, a fixing sleeve (112) is connected to the outer side of a feed inlet of the inner pipe body (111), and the opening of the outer pipe body (110) is tightly covered by the fixing sleeve (112) and is fixed by means of expansion with heat and contraction with cold;

the positioning mechanisms (2) are arranged on the outer sides of the discharge holes of the outer pipe body (110) and the inner pipe body (111), and the number of the positioning mechanisms (2) is at least one.

2. A ceramic intermediate tube as set forth in claim 1 wherein: limiting grooves (114) are formed in the inner wall of the opening of the outer tube body (110), the number of the limiting grooves (114) is at least one, limiting blocks (115) are slidably mounted in the limiting grooves (114), and the limiting blocks (115) are connected to the outer surface of the inner tube body (111).

3. A ceramic intermediate tube as claimed in claim 2, wherein: auxiliary stabilizing rings (116) are embedded and sleeved on the outer surface of the outer tube body (110) at the outer side of the limiting groove (114), the number of the auxiliary stabilizing rings (116) is at least two, and the auxiliary stabilizing rings (116) are stainless steel members.

4. A ceramic intermediate tube as set forth in claim 1 wherein: the feeding side of the fixed sleeve (112) is connected with a receiving hopper (113) for auxiliary drainage.

5. A ceramic intermediate tube as set forth in claim 1 wherein: the positioning mechanism (2) comprises a thread sleeve (210), the thread sleeve (210) is embedded and installed on the outer pipe body (110), a positioning hole (211) is formed in the inner pipe body (111) at the bottom end of the thread sleeve (210), a bolt (212) is movably sleeved in the thread sleeve (210), and the bottom end of the bolt (212) extends into the positioning hole (211).

6. A ceramic intermediate tube as set forth in claim 5 wherein: the positioning mechanism (2) further comprises a hiding groove (213), the hiding groove (213) is formed in the outer surface of the outer tube body (110), the threaded sleeve (210) is located inside the hiding groove (213), and the top end of the bolt (212) is highly parallel to the opening of the hiding groove (213).