CN210657052U

CN210657052U - Annealing furnace

Info

Publication number: CN210657052U
Application number: CN201921491340.3U
Authority: CN
Inventors: 丁晖
Original assignee: Jiangsu Hefeng Steelers New Material Technology Co ltd
Current assignee: Jiangsu Hefeng Steelers New Material Technology Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-02
Anticipated expiration: 2029-09-09

Abstract

The utility model provides an annealing furnace, which comprises a furnace mantle, a furnace platform and a placing rack, wherein the placing rack comprises a middle upright post and a plurality of layers of supporting plates annularly arranged on the middle upright post, a cavity with an open top is arranged in the middle upright post, at least two sliding chutes are axially arranged in the cavity, the top of each sliding chute is provided with a stop block, a stop block is arranged in the cavity, a slide block which is in sliding connection with the sliding chute is arranged on the stop block, a threaded hole is arranged in the stop block, a screw rod is connected with the threaded hole in a threaded manner, and the screw rod penetrates out of the furnace mantle and rotates under; stove top fixed mounting is on the ground, and there is the bearing block at the peripheral erection joint of stove top, and it is protruding with the outside that the inboard that is provided with the mounting groove and is located the mounting groove both sides on the bearing block is protruding, and the outside of furnace mantle still is equipped with the sealed briquetting that is used for with the protruding butt in the outside, the utility model discloses sealed effect is better, and can make things convenient for evenly placing of annealing work piece, and the concurrent operation is also comparatively convenient, can improve greatly and get material loading efficiency.

Description

Annealing furnace

Technical Field

The utility model relates to a heat treatment device, in particular to an annealing furnace.

Background

The annealing furnace is mainly used for annealing large-scale carbon steel and alloy steel materials, the heating mode comprises electric heating, fuel oil, fuel gas, coal and hot air circulation, the furnace cover of the existing annealing furnace needs to be opened after heating, when a workpiece is taken out, in order to avoid scalding the workpiece, the operation is complex, and the material taking efficiency is greatly reduced.

Therefore, there is a need for an annealing furnace with better sealing effect, which can facilitate the uniform placement of the annealing workpieces, and the operation is also more convenient, and can greatly improve the efficiency of material taking and feeding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an annealing furnace, sealed effect is better, and can make things convenient for even the placing of annealing work piece, and the concurrent operation is also comparatively convenient, can improve greatly and get material loading efficiency.

The utility model provides a following technical scheme:

an annealing furnace comprises a furnace cover, a furnace platform and a placing rack, wherein the placing rack comprises a middle upright post and a plurality of layers of supporting plates annularly arranged on the middle upright post, a cavity with an open top is formed in the middle upright post, at least two sliding grooves are axially formed in the cavity, a stop block is arranged at the top of each sliding groove, a limiting block is arranged in the cavity, a sliding block in sliding connection with each sliding groove is arranged on each limiting block, a threaded hole is formed in each limiting block, a screw rod is connected with the inner thread of each threaded hole, and the screw rod penetrates through the furnace cover and rotates under the driving of a motor fixed at the top; stove top fixed mounting is on the ground, install the electric heater unit who is used for heating furnace mantle internal environment on it, peripheral erection joint at the stove top has the bearing piece, it is protruding with the outside to be provided with the mounting groove on the bearing piece and to be located the inboard arch of mounting groove both sides, the inboard protruding butt in the bottom side of bottom backup pad in the right side, the bottom of under shed stove mantle is inserted and is established and connect in the mounting groove, and the outside of stove mantle still is equipped with the sealed briquetting that is used for with the protruding butt in the outside.

Preferably, a first sealing gasket is arranged between the sealing pressing block and the outer protrusion.

Preferably, a second sealing gasket matched with the bottom end of the furnace cover is arranged in the mounting groove.

Preferably, the section of the mounting groove is an inverted trapezoid groove, and the bottom end of the furnace cover is an inverted trapezoid which is inserted and matched with the mounting groove.

Preferably, a sealing ring is arranged between the screw and the furnace cover.

Preferably, one end of the screw rod penetrating out of the furnace cover is fixedly connected with a motor shaft of the motor.

The utility model has the advantages that: firstly, the workpieces to be annealed can be placed on the supporting plates on different layers of the placing rack and then pass through the lifting furnace cover, so that the screw rod is aligned with the threaded hole of the limiting block, and the motor is started to rotate the screw rod, thereby the limit block can be connected on the screw rod by screw thread, and simultaneously the limit block slides upwards under the limit of the chute, at the moment, the connection of the screw rod and the limit block can be completed, and when the furnace cover is lifted, the placing rack can be lifted together, when the placing rack moves to the furnace platform, the inner side bulge can be abutted and supported by the placing rack, meanwhile, the mounting groove and the outer side bulge can complete the sealing connection of the bottom of the furnace cover, and the furnace cover can be lifted once after the annealing is completed, can accomplish stove cover and rack and once take out, it is comparatively convenient, also alleviate intensity of labour, reduced because of the risk of the scald injury of repetitious operations cause to the labourer, also can improve greatly and get material loading efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a structural sectional view of the utility model in an open state;

notation in the figure: 1 is the furnace mantle, 2 is the stove top, 3 is the rack, 4 is middle standing pillar, 5 is the backup pad, 6 is the cavity, 7 is the spout, 8 is the slider, 9 is the stopper, 10 is the screw rod, 11 is the motor, 12 is the ground, 13 is the bearing block, 14 is the mounting groove, 15 is the outside arch, 16 is inboard arch, 17 is sealed briquetting, 18 is first sealed the pad, 19 is sealed the pad for the second, 20 is the sealing ring.

Detailed Description

Referring to fig. 1 to 2, an annealing furnace is shown, in this embodiment, the annealing furnace includes a furnace mantle 1, a furnace platform 2 and a placing rack 3, the placing rack 3 includes a middle upright column 4 and a plurality of layers of supporting plates 5 annularly arranged on the middle upright column 4, a cavity 6 with an open top is arranged in the middle upright column 4, at least two chutes 7 are axially arranged in the cavity 6, stoppers are arranged on tops of the chutes 7, a limiting block 9 is arranged in the cavity 6, a sliding block 8 slidably connected with the chute 7 is arranged on the limiting block 9, a threaded hole is arranged in the limiting block 9, a screw rod 10 is connected with the threaded hole in a threaded manner, and the screw rod 10 penetrates through the furnace mantle 1 and is driven by a motor 11 fixed on the top of the; stove top 2 fixed mounting is on ground 12, install the electric heater unit who is used for heating the stove cover 1 internal environment on it, peripheral erection joint at stove top 2 has pressure-bearing piece 13, be provided with mounting groove 14 on the pressure-bearing piece 13 and be located the inboard arch 16 and the outside arch 15 of mounting groove 14 both sides, the inboard protruding 16 butt in the bottom of bottom backup pad 5 in right side, the bottom of lower open stove cover 1 is inserted and is established and connect in mounting groove 14, and the outside of stove cover 1 still is equipped with the sealed briquetting 17 that is used for with the protruding 15 butt in the outside.

A first sealing gasket 18 is arranged between the sealing pressing block 17 and the outer protrusion 15.

A second sealing gasket 19 matched with the bottom end of the furnace cover 1 is arranged in the mounting groove 14.

The section of the mounting groove 14 is an inverted trapezoid groove, and the bottom end of the furnace cover 1 is an inverted trapezoid which is inserted and matched with the mounting groove 14.

A sealing ring 20 is also arranged between the screw 10 and the furnace cover 1.

One end of the screw rod 10 penetrating out of the furnace cover 1 is fixedly connected with a motor 11 shaft of the motor 11.

Lifting lugs for lifting are further arranged on two sides of the furnace cover.

The utility model discloses a theory of operation is: firstly, a workpiece to be annealed can be placed on the supporting plates 5 on different layers of the placing frame 3, and then the furnace cover 1 is lifted, so that the screw rod 10 in the workpiece is aligned with the threaded hole of the limiting block 9, the motor 11 is started, the screw rod 10 is rotated, the limiting block 9 can be connected to the screw rod 10 in a threaded manner, meanwhile, the limiting block 9 slides upwards under the limiting action of the sliding groove 7, at the moment, the connection of the screw rod 10 and the limiting block 9 can be completed, and further, when the furnace cover 1 is lifted, the placing frame 3 can be lifted together, when the furnace cover moves to the furnace platform 2, the inner side bulge 16 can be abutted and supported against the placing frame 3, meanwhile, the mounting groove 14 and the outer side bulge 15 can complete the sealing connection of the bottom of the furnace cover 1, and after the annealing is completed, the furnace cover 1 can be lifted once, the furnace cover 1 and the placing frame 3 can be taken out once, the annealing process is more convenient, can also greatly improve the efficiency of taking and feeding materials.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The annealing furnace is characterized by comprising a furnace cover, a furnace platform and a placing rack, wherein the placing rack comprises a middle upright post and a plurality of layers of supporting plates annularly arranged on the middle upright post, a cavity with an open top is formed in the middle upright post, at least two sliding chutes are axially arranged in the cavity, a stop block is arranged at the top of each sliding chute, a limiting block is arranged in the cavity, a sliding block which is in sliding connection with each sliding chute is arranged on each limiting block, a threaded hole is formed in each limiting block, a screw rod is connected with the threaded hole in a threaded manner, and the screw rod penetrates out of the furnace cover and rotates under the driving of a motor fixed at the top of the furnace cover;

stove top fixed mounting is on the ground the peripheral erection joint of stove top has the pressure-bearing piece, be provided with the mounting groove on the pressure-bearing piece and be located the inboard arch and the outside arch of mounting groove both sides, the inboard protruding butt in the bottom side of bottom backup pad in right side, the bottom of under shed furnace mantle is inserted and is established the connection in the mounting groove, just the outside of furnace mantle still be equipped with be used for with the sealed briquetting of the protruding butt in the outside.

2. The annealing furnace according to claim 1, wherein a first sealing gasket is further provided between the sealing block and the outer protrusion.

3. The annealing furnace according to claim 1, wherein a second sealing gasket is arranged in the mounting groove and used for being matched with the bottom end of the furnace cover.

4. The annealing furnace according to claim 1, wherein the cross section of the mounting groove is an inverted trapezoid groove, and the bottom end of the furnace mantle is an inverted trapezoid which is inserted and matched with the mounting groove.

5. The annealing furnace according to claim 1, wherein a sealing ring is further provided between said screw and said mantle.

6. The annealing furnace according to claim 1, wherein one end of the screw rod, which penetrates out of the furnace hood, is fixedly connected with a motor shaft of the motor.