CN211527070U

CN211527070U - Heating device for bell jar furnace

Info

Publication number: CN211527070U
Application number: CN201922458819.3U
Authority: CN
Inventors: 蒋光宇; 崔海波
Original assignee: Nanjing Paisaifeike Furnace Technology Co ltd
Current assignee: Nanjing Paisaifeike Furnace Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-18
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a heating device that bell jar furnace was used, the on-line screen storage device comprises a base, the last surface movable mounting of base has bell jar furnace dustcoat, the lower surface of base is located the equal fixed mounting in four corners position and has the supporting legs, the inboard fixed mounting of supporting legs has the reinforcement horizontal pole, the last fixed surface who consolidates the horizontal pole installs the air-blower, the inner wall movable mounting of bell jar furnace dustcoat has heating element, the central fixed mounting of department of bell jar furnace dustcoat upper surface has rings. A heating device that bell jar stove was used, can accelerate heating element's intensification, cooperation asbestos heat preservation effect makes the machined part be heated evenly, avoids the too big phenomenon of the inside and outside temperature difference of machined part, the temperature equilibrium is good, dust or machined part by the suction when the dust screen that is equipped with can prevent that the air-blower from stopping, can also get the convenient dismantlement of heating element, for overhauing or changing provide convenience to and adjust fixed heating element's position, simple structure, and the flexibility is good.

Description

Heating device for bell jar furnace

Technical Field

The utility model relates to a heating device field, in particular to heating device that bell jar stove was used.

Background

The bell jar furnace is a common device for material heat treatment, and comprises a furnace body and a movable furnace door, wherein the furnace body is provided with a furnace hearth, the furnace hearth is provided with a furnace mouth with a downward opening, the movable furnace door is used for sealing the furnace mouth of the furnace hearth and can form sealing connection with the furnace body when closed, a product produced by the bell jar furnace has high stability, the bell jar furnace only needs a few operators when sintered, loading and unloading can be completed in daytime, sintering can be completed at night, electric power peak regulation is realized, and the bell jar furnace is very practical under the condition of current electric power shortage; when the heating device of the existing bell-jar furnace is used, the heating element is directly fixed on the inner wall of the hearth, the heating device is very inconvenient to overhaul or disassemble and replace, the heat conduction rate of the bell-jar furnace is low, and the heating time is long, so that the production efficiency is low, the temperature field distribution in the whole hearth is uneven during heating, and the product quality cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a heating device for bell jar stove can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the heating device for the bell jar furnace comprises a base, wherein a bell jar furnace outer cover is movably arranged on the upper surface of the base, supporting legs are fixedly arranged at four corners of the lower surface of the base, reinforcing cross rods are fixedly arranged on the inner sides of the supporting legs, an air blower is fixedly arranged on the upper surface of each reinforcing cross rod, a heating element is movably arranged on the inner wall of the bell jar furnace outer cover, and a hanging ring is fixedly arranged at the center of the upper surface of the bell jar furnace outer cover.

Preferably, the central position of base has seted up the ventiduct, the inner wall of ventiduct inlays and is equipped with the dust screen.

Preferably, the surface of air-blower is provided with starting switch, the air outlet movable mounting of air-blower has the tuber pipe, tuber pipe and ventiduct sealing connection.

Preferably, a connecting pipe is fixedly installed on one side of the heating element, a sliding rod is fixedly installed at the other end of the connecting pipe, a clamping block is fixedly installed in the middle of the outer surface of the sliding rod, a sliding groove is formed in the inner wall of one side of the bell-shaped furnace outer cover, a clamping groove is formed in one side, located on the sliding groove, of the surface of the bell-shaped furnace outer cover, and asbestos is laid on the inner wall of the bell-shaped furnace outer cover.

Preferably, two pairs of the heating elements are symmetrically arranged, the number of the heating elements is four, and the sliding rods are respectively communicated with the connecting pipe and the clamping blocks.

Preferably, the heating element vertically slides in the sliding groove through the sliding rod and is fixed through clamping grooves, grooves are reserved on the inner wall of the bell-jar furnace outer cover and the sliding track of the asbestos on the connecting pipe, the clamping grooves are matched with the clamping blocks, and three pairs of clamping grooves are arranged.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the air-blower that sets up, can upwards blow hot-blastly from the bottom, heating element's intensification with higher speed, cooperation asbestos heat preservation effect makes the machined part be heated evenly, avoid the too big phenomenon of the inside and outside temperature difference of machined part, the temperature equilibrium is good, dust or machined part by the suction when the dust screen that is equipped with can prevent that the air-blower from stopping, heating element through setting up, a plurality of heating element components merge and slide into the spout installation through the slide bar, make heating element convenient dismantlement, for overhaul or change provide conveniently, fixed heating element's position can be adjusted to the draw-in groove that is equipped with, moreover, the steam generator is simple in structure, and.

Drawings

FIG. 1 is a front view of a heating apparatus for a bell jar furnace according to the present invention;

FIG. 2 is a partial sectional view of a heating apparatus for a bell jar furnace according to the present invention;

FIG. 3 is an enlarged view of the heating device for a bell jar furnace of the present invention at A in FIG. 2;

fig. 4 is a side view of a heating apparatus for a bell jar furnace according to the present invention.

In the figure: 1. a base; 101. an air duct; 102. a dust screen; 2. a bell jar furnace housing; 3. supporting legs; 4. reinforcing the cross bar; 5. a blower; 501. starting a switch; 502. an air outlet pipe; 6. a heating element; 601. a connecting pipe; 602. a slide bar; 603. a clamping block; 604. a chute; 605. a card slot; 606. asbestos; 7. a lifting ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a heating device for a bell jar furnace comprises a base 1, wherein a bell jar furnace outer cover 2 is movably mounted on the upper surface of the base 1, supporting legs 3 are fixedly mounted on the lower surface of the base 1 at four corners, reinforcing cross bars 4 are fixedly mounted on the inner sides of the supporting legs 3, a blower 5 is fixedly mounted on the upper surface of the reinforcing cross bars 4, a heating element 6 is movably mounted on the inner wall of the bell jar furnace outer cover 2, and a hanging ring 7 is fixedly mounted at the center of the upper surface of the bell jar furnace outer cover 2;

the central position of the base 1 is provided with an air duct 101, and the inner wall of the air duct 101 is embedded with a dust screen 102; a starting switch 501 is arranged on the surface of the air blower 5, an air outlet pipe 502 is movably arranged at an air outlet of the air blower 5, and the air outlet pipe 502 is hermetically connected with the air duct 101; a connecting pipe 601 is fixedly installed on one side of the heating element 6, a sliding rod 602 is fixedly installed at the other end of the connecting pipe 601, a clamping block 603 is fixedly installed in the middle of the outer surface of the sliding rod 602, a sliding groove 604 is formed in the inner wall of one side of the bell jar outer cover 2, a clamping groove 605 is formed in one side, located on the sliding groove 604, of the surface of the bell jar outer cover 2, and asbestos 606 is laid on the inner wall of the bell jar outer cover 2; two pairs of heating elements 6 are symmetrically arranged, and the number of the heating elements is four, and the sliding rod 602 is respectively communicated with the connecting pipe 601 and the fixture block 603; the heating element 6 vertically slides in the sliding groove 604 through the sliding rod 602 and is fixed through the clamping groove 605, the inner wall of the bell jar furnace housing 2 and the asbestos 606 are provided with grooves at the sliding track of the connecting pipe 601, the clamping groove 605 is matched with the clamping block 603, and three pairs of clamping grooves 605 are provided.

It should be noted that, the utility model is a heating device for bell jar furnace, before using, the wire of the combined heating element 6 passes through the connecting pipe 601, the sliding rod 602 and the fixture block 603 in sequence, then the sliding rod 602 is inserted from the lower end of the sliding groove 604 of the inner wall of the bell jar furnace outer cover 2, and slides to the position of the clamping groove 605 to be clamped into the fixture block 603 for fixing, the clamping groove 605 is provided with three pairs, the position of the heating element 6 can be adjusted and fixed, the structure is simple, and the flexibility is good, the sliding rod 602 is matched with the sliding groove 604, so that the combined heating element 6 is convenient to disassemble, which provides convenience for maintenance or replacement, when using, the wire of the heating element 6 and the blower 5 are connected, the starting switch 501 is opened, the blower 5 blows hot air upwards from the bottom of the base 1, enters the bell jar furnace outer cover 2 through the ventilation duct 101 and the dust screen 102, the heating of the, the heat preservation effect of cooperation asbestos 606 makes the machined part be heated evenly, avoids the too big phenomenon of the inside and outside temperature difference of machined part, and the temperature equilibrium is good, and dust screen 102 that is equipped with can prevent that dust or machined part from being sucked out when air-blower 5 stops, and the power of heating element 6 is 30-50 KW.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A heating device for a bell jar furnace, characterized in that: including base (1), the last surface movable mounting of base (1) has bell jar stove dustcoat (2), the lower surface of base (1) is located the equal fixed mounting in four corners position and has supporting legs (3), the inboard fixed mounting of supporting legs (3) has reinforcement horizontal pole (4), the last fixed surface of reinforcing horizontal pole (4) installs air-blower (5), the inner wall movable mounting of bell jar stove dustcoat (2) has heating element (6), the center department fixed mounting of bell jar stove dustcoat (2) upper surface has rings (7).

2. The heating apparatus for a bell jar furnace according to claim 1, wherein: the central point of base (1) puts and has seted up air duct (101), dust screen (102) are inlayed to the inner wall of air duct (101).

3. The heating apparatus for a bell jar furnace according to claim 2, wherein: the surface of air-blower (5) is provided with starting switch (501), the air outlet movable mounting of air-blower (5) has air-out pipe (502), air-out pipe (502) and ventiduct (101) sealing connection.

4. The heating apparatus for a bell jar furnace according to claim 1, wherein: one side of the heating element (6) is fixedly provided with a connecting pipe (601), the other end of the connecting pipe (601) is fixedly provided with a sliding rod (602), the middle of the outer surface of the sliding rod (602) is fixedly provided with a clamping block (603), the inner wall of one side of the bell-shaped furnace outer cover (2) is provided with a sliding groove (604), the surface of the bell-shaped furnace outer cover (2) is positioned on one side of the sliding groove (604) and is provided with a clamping groove (605), and asbestos (606) is laid on the inner wall of the bell-shaped furnace outer cover (2).

5. The heating apparatus for a bell jar furnace according to claim 4, wherein: two pairs of heating elements (6) are symmetrically arranged, the number of the heating elements is four, and the sliding rods (602) are respectively communicated with the connecting pipe (601) and the clamping blocks (603).

6. The heating apparatus for a bell jar furnace according to claim 4, wherein: the heating element (6) vertically slides in the sliding groove (604) through the sliding rod (602) and is fixed through the clamping groove (605), a groove is reserved on the sliding track of the connecting pipe (601) of the inner wall of the bell jar furnace outer cover (2) and the asbestos (606), the clamping groove (605) is matched with the clamping block (603), and three pairs of clamping grooves (605) are formed.