CN214991721U

CN214991721U - Preheating device of vacuum atmosphere annealing furnace

Info

Publication number: CN214991721U
Application number: CN202120966493.XU
Authority: CN
Inventors: 谢光荣; 张正国; 杜春; 敏世雄
Original assignee: North Minzu University
Current assignee: North Minzu University
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-03
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a vacuum atmosphere annealing furnace preheating device, including preheating cabinet and furnace body, the air inlet has been seted up to the left end of preheating cabinet, set up in the preheating cabinet and preheat the chamber, it is equipped with heat accumulation board, filter screen, reciprocal lead screw and polished rod to preheat in the chamber, be equipped with same slider on reciprocal lead screw and the polished rod, the right-hand member fixedly connected with scraper blade of slider, a plurality of brush silks of right-hand member fixedly connected with of scraper blade, the collecting vat has been seted up to the bottom inner wall of preheating cabinet. The utility model discloses a set up scraper blade, brush silk and collecting vat and go, start driving motor, make reciprocal lead screw rotate, reciprocal lead screw drives slider reciprocating motion from top to bottom, and the slider drives the scraper blade and removes, and the scraper blade makes a plurality of brush silks scrape the brush to the filter screen is reciprocal, is concentrated to fall to the collecting vat by the dust of scraping the brush to avoid dust gathering more influence efficiency of admitting air on the filter screen.

Description

Preheating device of vacuum atmosphere annealing furnace

Technical Field

The utility model relates to an annealing stove auxiliary assembly technical field especially relates to a vacuum atmosphere annealing stove preheating device.

Background

The vacuum annealing furnace is mainly suitable for stainless steel deep-drawing parts such as water heating equipment, water expansion parts, pins, medical instruments, stainless steel nails, stainless steel screws, rivet pressing parts, stainless steel bearings, watchcases, watchbands, cutters, miniature shafts, self-tapping self-drilling tools, tableware and other stainless steel products to carry out continuous bright annealing, solid solution, demagnetization and stainless steel quenching treatment under the control of protective atmosphere, and a preheating device in the vacuum annealing furnace is an auxiliary device for recovering heat in discharged flue gas so as to improve the combustion efficiency, and is widely used.

However, in most preheating devices for vacuum atmosphere annealing furnaces, the filter screen is fixedly arranged in the preheating box, and after the preheating device is used for a period of time, dust is attached to the filter screen and is removed in time, so that the air inlet efficiency is seriously affected.

Therefore, the preheating device of the vacuum atmosphere annealing furnace is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the preheating device of most vacuum atmosphere annealing furnaces in the prior art, the filter screen is fixedly arranged in the preheating box, and after the preheating device is used for a period of time, dust can be attached to the filter screen, if the dust is not removed in time, the problem of air inlet efficiency is seriously influenced, and the preheating device of the vacuum atmosphere annealing furnace is provided.

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

the utility model provides a vacuum atmosphere annealing furnace preheating device, includes preheating cabinet and furnace body, the air inlet has been seted up to the left end of preheating cabinet, set up the preheating chamber in the preheating cabinet, be equipped with heat accumulation board, filter screen, reciprocal lead screw and polished rod in the preheating chamber, be equipped with same slider on reciprocal lead screw and the polished rod, the right-hand member fixedly connected with scraper blade of slider, a plurality of brush silks of right-hand member fixedly connected with of scraper blade, the collecting vat has been seted up to the bottom inner wall of preheating cabinet, be equipped with a plurality of rows of scraping on the cell wall of collecting vat, the guide mouth has been seted up to the bottom lateral wall of preheating cabinet, collecting vat and guide mouth communicate with each other, the right-hand member outer wall fixedly connected with installation piece of preheating cabinet, two same air inlet machine of fixedly connected with between the installation piece.

Optionally, the same air inlet pipe penetrates through the preheating box and the furnace body, one end of the air inlet pipe is fixedly connected with the preheating box, and the other end of the air inlet pipe is fixedly connected with the furnace body.

Optionally, the heat storage plate and the filter screen are both fixedly connected with the preheating box, a plurality of air holes are uniformly formed in the heat storage plate, the brush wires are uniformly and symmetrically distributed on the scraper, and the brush wires are in contact connection with the filter screen.

Optionally, a storage rack is fixedly connected to the inner wall of the top end of the preheating box, a storage groove is formed in the storage rack, and one end of the scraper is fixedly connected with the sliding block.

Optionally, the sliding block is in threaded connection with a reciprocating lead screw, the sliding block is in sliding connection with a polished rod, the reciprocating lead screw is rotatably connected to the preheating box, and the polished rod is fixedly connected with the preheating box.

Optionally, a placing groove is formed in the top end of the preheating box, a driving motor is fixedly connected to the placing groove, and one end of the reciprocating screw rod penetrates through the placing groove and is fixedly connected with the output end of the driving motor.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up scraper blade, brush silk and collecting vat and go, start driving motor, make reciprocal lead screw rotate, reciprocal lead screw drives slider reciprocating motion from top to bottom, and the slider drives the scraper blade and removes, and the scraper blade makes a plurality of brush silks scrape the brush to the filter screen is reciprocal, is concentrated to fall to the collecting vat by the dust of scraping the brush to avoid dust gathering more influence efficiency of admitting air on the filter screen.

2. The utility model discloses a set up the guide mouth and scrape the row, when the brush silk was scraped the brush to the filter screen is reciprocal, the brush silk removed the preheating cabinet bottom and with a plurality of when scraping the row contact, a plurality of row of scraping will brush the dust of silk upper adhesion and whisk down to make the brush silk to the filter screen scrape the brush effect better, open the guide mouth simultaneously and be convenient for concentrate the discharge with the dust in the collecting vat.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: the device comprises a preheating box 1, a furnace body 2, an air inlet pipe 3, a heat storage plate 4, an air inlet machine 5, a preheating cavity 6, an air inlet 7, a placing groove 8, a driving motor 9, a sliding block 10, a reciprocating screw rod 11, a polished rod 12, a filter screen 13, a scraping row 14, a collecting groove 15, a material guide port 16, a scraping plate 17, a collecting frame 18, a brush wire 19, a collecting groove 20, a mounting block 21 and air holes 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a preheating device of a vacuum atmosphere annealing furnace, comprising a preheating box 1 and a furnace body 2, an air inlet 7 is provided at the left end of the preheating box 1, the same air inlet pipe 3 is provided between the preheating box 1 and the furnace body 2, one end of the air inlet pipe 3 is fixedly connected with the preheating box 1, the other end of the air inlet pipe 3 is fixedly connected with the furnace body 2, a preheating cavity 6 is provided in the preheating box 1, a heat storage plate 4, a filter screen 13, a reciprocating lead screw 11 and a polish rod 12 are provided in the preheating cavity 6, the heat storage plate 4 and the filter screen 13 are both fixedly connected with the preheating box 1, a plurality of air vents 22 are uniformly provided on the heat storage plate 4, and the same slide block 10 is provided on the reciprocating lead screw 11 and the polish rod 12.

The right end of the sliding block 10 is fixedly connected with a scraping plate 17, the inner wall of the top end of the preheating box 1 is fixedly connected with a containing frame 18, a containing groove 20 is formed in the containing frame 18, and one end of the scraping plate 17 is fixedly connected with the sliding block 10.

The right-hand member fixedly connected with of scraper blade 17 a plurality of brush silk 19, a plurality of brush silk 19 are even symmetric distribution on scraper blade 17, and brush silk 19 is connected with filter screen 13 contact, and collecting vat 15 has been seted up to the bottom inner wall of preheating cabinet 1, is equipped with a plurality of rows of scraping 14 on the cell wall of collecting vat 15, and a plurality of rows of scraping 14 evenly distributed are on the cell wall of collecting vat 15.

The side wall of the bottom end of the preheating box 1 is provided with a material guide opening 16, the collecting tank 15 is communicated with the material guide opening 16, the outer wall of the right end of the preheating box 1 is fixedly connected with an installation block 21, the same air inlet fan 5 is fixedly connected between the two installation blocks 21, and the air inlet fan 5 adopts an exhaust fan with the model of PLLS-18.

The slider 10 is in threaded connection with the reciprocating lead screw 11, the slider 10 is in sliding connection with the polish rod 12, the reciprocating lead screw 11 is rotatably connected to the preheating box 1, and the polish rod 12 is fixedly connected with the preheating box 1.

The top end of the preheating box 1 is provided with a placing groove 8, a driving motor 9 is fixedly connected in the placing groove 8, the driving motor 9 adopts a planetary gear speed reducing motor with the model of Z2D-80, and one end of a reciprocating screw rod 11 penetrates through the placing groove 8 and is fixedly connected with the output end of the driving motor 9.

The working principle is as follows:

when the preheating device is used, as shown in fig. 1, firstly, the air inlet machine 5 is started, the air inlet machine 5 sucks flue gas into the preheating cavity 6, dust impurities in the flue gas are filtered by the filter screen 13, then the flue gas is preheated by the heat storage plate 4, and the preheated flue gas passes through the air holes 22 of the heat storage plate 4 and finally enters the furnace body 2 through the air inlet pipe 3. Then start driving motor 9, make reciprocal lead screw 11 rotate, reciprocal lead screw 11 makes slider 10 reciprocate, and slider 10 drives scraper blade 17 and reciprocates, and scraper blade 17 drives a plurality of brush silk 19 and reciprocates, and brush silk 19 stretches out and accomodates groove 20 and to the reciprocal brush of scraping of filter screen 13, and the dust of being scraped the brush is concentrated and is fallen to collecting vat 15 in to avoid the dust collection more influence air intake efficiency on the filter screen 13. Meanwhile, when the brush wires 19 move to the bottom end of the preheating chamber 1 and contact with the plurality of scraping rows 14, the plurality of scraping rows 14 scrape off dust adhered to the brush wires 19, so that the scraping effect of the brush wires 19 on the filter screen 13 is better, and the material guide opening 16 is opened to discharge the dust in the collecting chamber 15 in a concentrated manner.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A preheating device of a vacuum atmosphere annealing furnace comprises a preheating box (1) and a furnace body (2), and is characterized in that an air inlet (7) is formed in the left end of the preheating box (1), a preheating cavity (6) is formed in the preheating box (1), a heat storage plate (4), a filter screen (13), a reciprocating lead screw (11) and a polished rod (12) are arranged in the preheating cavity (6), the same sliding block (10) is arranged on the reciprocating lead screw (11) and the polished rod (12), a scraper plate (17) is fixedly connected to the right end of the sliding block (10), a plurality of brush wires (19) are fixedly connected to the right end of the scraper plate (17), a collecting groove (15) is formed in the inner wall of the bottom end of the preheating box (1), a plurality of scraping rows (14) are arranged on the groove wall of the collecting groove (15), a material guide opening (16) is formed in the side wall of the bottom end of the preheating box (1), and the collecting groove (15) is communicated with the material guide opening (16), the preheating cabinet is characterized in that the outer wall of the right end of the preheating cabinet (1) is fixedly connected with mounting blocks (21), and a same air inlet fan (5) is fixedly connected between the two mounting blocks (21).

2. The preheating device of claim 1, wherein the same air inlet pipe (3) penetrates through the preheating box (1) and the furnace body (2), one end of the air inlet pipe (3) is fixedly connected with the preheating box (1), and the other end of the air inlet pipe (3) is fixedly connected with the furnace body (2).

3. The preheating device of claim 1, wherein the heat storage plate (4) and the filter screen (13) are fixedly connected with the preheating box (1), the heat storage plate (4) is uniformly provided with a plurality of air holes (22), a plurality of brush wires (19) are uniformly and symmetrically distributed on the scraper (17), and the brush wires (19) are in contact connection with the filter screen (13).

4. The preheating device of claim 1, wherein a storage rack (18) is fixedly connected to the inner wall of the top end of the preheating box (1), a storage groove (20) is formed in the storage rack (18), and one end of the scraper (17) is fixedly connected with the sliding block (10).

5. The preheating device of claim 1, wherein the slide block (10) is in threaded connection with a reciprocating lead screw (11), the slide block (10) is in sliding connection with a polished rod (12), the reciprocating lead screw (11) is rotatably connected to the preheating box (1), and the polished rod (12) is fixedly connected with the preheating box (1).

6. The preheating device of claim 1, wherein a placing groove (8) is formed at the top end of the preheating box (1), a driving motor (9) is fixedly connected in the placing groove (8), and one end of the reciprocating screw rod (11) penetrates through the placing groove (8) and is fixedly connected with the output end of the driving motor (9).