CN219888712U

CN219888712U - Sealing structure of transverse immersion heater

Info

Publication number: CN219888712U
Application number: CN202321186030.7U
Authority: CN
Inventors: 李海龙
Original assignee: SHENYANG NEU-SANKEN INDUSTRIAL FURNACE MANUFACTURE CO LTD
Current assignee: SHENYANG NEU-SANKEN INDUSTRIAL FURNACE MANUFACTURE CO LTD
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-10-24
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses a sealing structure of a transverse immersion heater, which belongs to the technical field of aluminum alloy casting and comprises a heater body, an outer soft sealing sleeve, a conical plug, an inner soft sealing element, a core adjusting disc, a mounting flange and a positioning component, wherein the outer soft sealing sleeve, the conical plug, the inner soft sealing element, the core adjusting disc, the mounting flange and the positioning component are sequentially sleeved on the heater body; the core adjusting disc comprises a propping part and an adjusting part; one end of the propping part is propped against the inner soft sealing element, and the adjusting part is provided with a plurality of through holes and blind holes; a plurality of threaded holes are formed in the mounting flange and opposite to the through holes and the blind holes, and first bolts propping against the conical plugs are arranged in the threaded holes which are opposite to the through holes; a second bolt propping against the bottom of the blind hole is arranged in the threaded hole opposite to the blind hole; the problem of no pretightening force of the traditional seal is solved by arranging the inner and outer double-layer flexible seal, and the safe use of the electric heater and the safe continuous production of the electric heater are ensured.

Description

Sealing structure of transverse immersion heater

Technical Field

The utility model belongs to the technical field of aluminum alloy casting, and particularly relates to a sealing structure of a transverse immersion heater.

Background

And in the process of differential pressure casting, compressed gas is filled in a sealing cover of the casting mould outer cover, so that the casting mould is under a certain pressure of the gas. When the molten metal is filled, the pressure of the gas in the holding furnace is made to be larger than that of the gas in the casting mould, so that the filling, pressure maintaining and pressurizing of the molten metal are realized. The casting is crystallized and solidified under the action of higher pressure, so that the casting with higher density can be ensured. The uniformity and compactness of the cast aluminum alloy workpiece can be ensured, so that the aluminum alloy workpiece can provide higher mechanical properties while meeting the light weight and meet the use requirements of stressed complex parts, and is widely used in the automobile manufacturing industry.

The traditional differential pressure casting aluminum supply technology adopts a crucible furnace mostly, the heating mode is mainly to arrange a heating device along the furnace wall, and the transverse type dipping heating technology is a heating mode that the heater directly contacts molten metal, and has the characteristics of large contact area, high heat transfer speed, high heat transfer efficiency and the like, meanwhile, the heater is not contacted with air, and the over-temperature damage of a heater heat conductor caused by low air heat conduction speed is avoided; however, the horizontal mounting hole is positioned below the liquid level, so that leakage is easy to occur, and the production is interrupted and the equipment is damaged; particularly, under the condition that pressure difference exists between the inside of the furnace and the outside, leakage is more easy to occur;

there is a need in the art for a new solution to this problem.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a sealing structure of a transverse dipping heater, which is used for solving the problem that the transverse dipping heater is easy to leak.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the transverse immersion heater sealing structure comprises a heater body, an outer soft sealing sleeve, a conical plug, an inner soft sealing element, a core adjusting disc, a mounting flange and a positioning component; the outer soft sealing sleeve, the conical plug, the inner soft sealing piece, the core adjusting disc, the mounting flange and the positioning component are sleeved on the heater body in sequence from inside to outside; the conical plug is arranged in the outer soft sealing sleeve; the inner soft sealing element is arranged in the conical plug; the core adjusting disc comprises a propping part and an adjusting part; one end of the propping part is propped against the inner soft sealing element, and the other end of the propping part is fixedly connected with the adjusting part; the adjusting part is provided with a plurality of through holes and blind holes; the mounting flange is provided with a plurality of threaded holes; the threaded holes are respectively arranged opposite to the positions of the through holes and the blind holes; the threaded hole opposite to the through hole is internally provided with a first bolt; the threaded hole opposite to the blind hole is internally provided with a second bolt; the threaded rod of the first bolt passes through the through hole and abuts against the conical plug; the threaded rod of the second bolt abuts against the bottom of the blind hole.

Through the design scheme, the utility model has the following beneficial effects:

1. the sealing layers are reasonably arranged, so that the sealing of the heater body and the sealing of the mounting taper hole are tightly blocked;

2. the problem of no pretightening force of the traditional seal is solved by arranging the inner and outer double-layer compression type flexible seal,

3. the inner layer and the outer layer are respectively adjusted to be tightly pressed by arranging the core adjusting disc and the long and short bolts, so that the sealing performance is improved.

Drawings

FIG. 1 is a cross-sectional view of a second bolt location of a seal structure of a cross-placed immersion heater of the present utility model.

Fig. 2 is a cross-sectional view of a first bolt location of a seal structure of a cross-placed immersion heater of the present utility model.

Fig. 3 is an inside view of a core tuning disk of a seal structure of a horizontal immersion heater of the present utility model.

Fig. 4 is an outside view of a core tuning disk of a seal structure of a horizontal immersion heater according to the present utility model.

In the drawing, a heater body, a 2-outer soft sealing sleeve, a 3-conical plug, a 4-inner soft sealing piece, a 5-core adjusting disc, a 51-propping part, a 52-adjusting part, 521-through holes, 522-blind holes, a 6-mounting flange, 61-threaded holes, 7-positioning parts, 8-first bolts, 9-second bolts and a 10-heat-preserving furnace body are arranged.

Detailed Description

The following describes the embodiments of the present utility model in detail with reference to the drawings

It should be noted that the terms "front and rear," up and down, left and right, "and the like are merely simplified terms for intuitively describing the positional relationship based on the drawings, and are not limited to the technical solution.

In order to more clearly illustrate the present utility model, the present utility model will be further described with reference to preferred embodiments. Those skilled in the art will appreciate that. The following detailed description is illustrative rather than limiting, and the user may make various changes to the following parameters without departing from the inventive mechanism and scope set forth in the claims. Well-known methods and procedures have not been described in detail so as not to obscure the present utility model.

The method is shown in the accompanying drawings 1-3: the transverse immersion heater sealing structure comprises a heater body 1, and further comprises an outer soft sealing sleeve 2, a conical plug 3, an inner soft sealing element 4, a core adjusting disc 5, a mounting flange 6 and a positioning component 7; the outer soft sealing sleeve 2, the conical plug 3, the inner soft sealing element 4, the core adjusting disc 5, the mounting flange 6 and the positioning component 7 are sleeved on the heater body 1 in sequence from inside to outside; the conical plug 3 is arranged in the outer soft sealing sleeve 2; the inner soft sealing element 4 is arranged in the conical plug 3; the core adjusting plate 5 includes a propping portion 51 and an adjusting portion 52; one end of the propping part 51 is propped against the inner soft sealing element 4, and the other end of the propping part 51 is fixedly connected with the adjusting part 52; the adjusting part 52 is provided with a plurality of through holes 521 and blind holes 522; the mounting flange 6 is provided with a plurality of threaded holes 61; the threaded holes 61 are respectively arranged opposite to the positions of the through holes 521 and the blind holes 522; the first bolt 8 is arranged in the threaded hole 61 which is arranged opposite to the through hole 521; the second bolt 9 is arranged in the threaded hole 61 opposite to the blind hole 522; the threaded rod of the first bolt 8 passes through the through hole 521 and abuts against the conical plug 3; the threaded shank of the second bolt 9 abuts against the bottom of the blind hole 522.

Further, the number of the through holes 521 is four, and the through holes 521 are uniformly distributed along the circumferential direction of the adjustment part 52. The number of the blind holes 522 is four, and the blind holes 522 are uniformly distributed along the circumferential direction of the adjusting portion 52.

In specific implementation, the core adjusting disc 5 is provided with eight holes, namely four through holes 521 and four blind holes 522, the first bolt 8 is a long bolt, passes through the through holes 521 and abuts against the conical plug 3, and extrudes the conical plug 3 to deform the outer soft sealing sleeve 2, so as to fill gaps between the conical sleeve 3 and the mounting holes of the heat preservation furnace body 10; realizing outer layer sealing; the second bolt 9 is a short bolt and abuts against the bottom of the blind hole 522, and the core adjusting disc 5 is controlled to axially move forwards and backwards, so that the inner soft sealing element 4 is extruded, the space between the heater body 1 and the inner conical surface of the conical sleeve 3 is filled, and the inner ring is sealed;

holes on the mounting flange 6 corresponding to the core adjusting disc 5 are all threaded holes 61, and serve as bases for front-back adjustment of long and short bolts;

the utility model solves the sealing problem of the heater by arranging the inner and outer double-layer compaction to be flexible sealing; the problem of no pretightening force of the traditional seal is solved, and the seal of the heater body and the seal of the mounting taper hole are tightly blocked by reasonably arranging the seal layers; thereby ensuring the safe use of the electric heater and the safe and continuous production.

It will be apparent that the embodiments described above are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides a horizontal immersion heater seal structure, includes heater body (1), its characterized in that: the device also comprises an outer soft sealing sleeve (2), a conical plug (3), an inner soft sealing element (4), a core adjusting disc (5), a mounting flange (6) and a positioning component (7); the outer soft sealing sleeve (2), the conical plug (3), the inner soft sealing piece (4), the core adjusting disc (5), the mounting flange (6) and the positioning component (7) are sleeved on the heater body (1) in sequence from inside to outside; the conical plug (3) is arranged in the outer soft sealing sleeve (2); the inner soft sealing piece (4) is arranged in the conical plug (3); the core adjusting disc (5) comprises a propping part (51) and an adjusting part (52); one end of the propping part (51) is propped against the inner soft sealing element (4), and the other end of the propping part (51) is fixedly connected with the adjusting part (52); the adjusting part (52) is provided with a plurality of through holes (521) and blind holes (522); the mounting flange (6) is provided with a plurality of threaded holes (61); the threaded holes (61) are respectively arranged opposite to the positions of the through holes (521) and the blind holes (522); the first bolt (8) is arranged in the threaded hole (61) which is arranged opposite to the through hole (521); the second bolt (9) is arranged in the threaded hole (61) which is oppositely arranged in the blind hole (522); the threaded rod of the first bolt (8) passes through the through hole (521) to be propped against the conical plug (3); the threaded rod of the second bolt (9) is propped against the bottom of the blind hole (522).

2. A transverse immersion heater seal structure according to claim 1, wherein: the number of the through holes (521) is four, and the through holes (521) are uniformly distributed along the circumferential direction of the adjusting part (52).

3. A transverse immersion heater seal structure according to claim 1, wherein: the number of the blind holes (522) is four, and the blind holes (522) are uniformly distributed along the circumferential direction of the adjusting part (52).