Annealing device for steel casting

Abstract

The utility model relates to the technical field of annealing devices, in particular to a steel casting annealing device which comprises an annealing furnace body, a cleaning mechanism, a driving mechanism and an exhaust mechanism, the annealing furnace body is divided into a working cavity and a collecting cavity through a partition plate, a heating wire is arranged in the working cavity, and a collecting drawer is arranged in the collecting cavity; the cleaning mechanism comprises a sliding rod, a scraping plate, a lifting frame and a hammering rod, the sliding rod is slidably installed in the working cavity through a sliding groove, and the scraping plate is arranged at the lower end of the sliding rod and abuts against the partition plate; the lifting frame is slidably mounted in the collecting cavity through the connecting block; the hammering rod is arranged at the upper end of the lifting frame; the driving mechanism is arranged in the annealing furnace body and used for driving the cleaning mechanism; the exhaust mechanism is arranged at the upper end of the annealing furnace body for treating harmful gas; and stubborn oxide skin on the partition plate is effectively scraped through vibration generated by scraping of the scraping plate and the action of hammering the partition plate, and the oxide skin falls into the collecting drawer to be conveniently treated by workers in a centralized mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to annealing device technical field, concretely relates to a cast steel's annealing device. BACKGROUND

[0002] Annealing refers to the metal is heated to a certain temperature slowly, keeps enough time, and then cools down with the appropriate speed one kind metal heat treatment craft, the purpose of annealing is to reduce the hardness, improves the cutting machinability, eliminates residual stress, stabilizes the size, reduces the deformation and crack tendency, refines the grain, adjusts the organization, eliminates the organization defect, uniform material organization and component, improves material performance or for later heat treatment does the organization preparation.

[0003] In the prior art, such as the patent with the announcement number CN216614775U, the name is a kind of annealing furnace for foundry production workshop, the technical scheme of disclosure is recorded, the harmful gas generated when the device is annealed in the furnace body is extracted by extraction pump and exhaust pipe, and is transported to the inside of processing box by exhaust pipe, utilizes multiple filter plates in processing box to filter permeate harmful gas multiple times, so that harmful substances in it are adsorbed on filter plate, avoid harmful gas directly discharging processing box pollutes environment.But in the annealing treatment process, workpiece surface will produce oxide skin, these oxide skins will fall in the bottom of annealing furnace, and the oxide skin accumulated in annealing furnace will affect the normal use of annealing furnace if not cleaned in time. UTILITY MODEL CONTENT

[0004] The utility model provides a cast steel's annealing device to solve above -mentioned problem.

[0005] The utility model discloses the following technical scheme: a kind of annealing device of cast steel part, including annealing furnace body, cleaning mechanism, drive mechanism and exhaust mechanism;Sealing door is hinged in the front end of annealing furnace body, and sealing door is fixedly installed with observation window;Annealing furnace body is fixedly installed with partition plate in it, and annealing furnace body is divided into working cavity and collection cavity by partition plate;Heating wire is fixedly installed on the lateral wall of working cavity;Collection drawer is slidably installed in collection cavity;Cleaning mechanism includes sliding rod, scraper and auxiliary assembly;Partition plate is provided with cleaning groove, and sliding slot is formed in the lateral wall of working cavity, and sliding rod is slidably installed in sliding slot, and scraper is fixedly installed in the lower end of sliding rod, and the lower end of scraper and partition plate abut;Auxiliary assembly is arranged below partition plate, and auxiliary assembly is used to knock partition plate;Drive mechanism is arranged in annealing furnace body, and partition plate is used to drive cleaning mechanism;Exhaust mechanism is arranged on annealing furnace body, and exhaust mechanism is used to filter harmful substance generated in annealing furnace body;Cast steel part is placed on partition plate and is heated and kept warm by heating wire;Harmful gas generated when cast steel part is annealed in annealing furnace body is discharged and filtered by using exhaust mechanism;After annealing is completed, open sealing door and take out cast steel part, and drive mechanism drives scraper to push the residual oxide scale on partition plate from cleaning groove by sliding rod, and the oxide scale falls into collection drawer to facilitate subsequent centralized treatment.

[0006] Further, the auxiliary assembly includes a lifting frame and a hammering rod; the lifting frame is U-shaped, a connecting block is fixedly installed on the lateral wall of the lifting frame, and the lifting frame is slidably installed on the lateral wall of the collection cavity through the connecting block; a plurality of hammering rods are fixedly installed on the upper end of the lifting frame; a plurality of springs are fixedly installed between the lifting frame and the partition plate; the drive mechanism drives the hammering rods to move up and down through the lifting frame, and the hammering rods knock the partition plate under the action of the springs, so that the partition plate vibrates and is scraped by the scraper to more thoroughly clean the residual oxide scale on the partition plate.

[0007] Further, the annealing furnace body is fixedly installed with a mounting box at the rear end; the drive mechanism includes a screw rod, a rotating shaft, a cam and a drive motor; the screw rod is rotatably installed in the sliding slot, the first gear is fixedly installed at the rear end of the screw rod, and the screw rod is threadedly connected with the sliding rod; the rotating shaft is rotatably installed at the rear end of the collection cavity, the second gear is fixedly installed at the rear end of the rotating shaft; the cam is fixedly installed at the front end of the rotating shaft; the drive motor is fixedly installed in the mounting box, the driving gear is fixedly installed on the output shaft of the drive motor; the driving gear is engaged with the first gear and the second gear; the drive motor drives the screw rod and the rotating shaft to rotate through the driving gear, the first gear and the second gear, the screw rod drives the scraper to scrape on the partition plate through the sliding rod, the rotating shaft drives the cam to rotate, and the lifting frame moves up and down through the cam.

[0008] Further, the exhaust mechanism comprises an exhaust pipe, a gas pump and a filter box; the exhaust pipe is fixedly installed on the upper end of the annealing furnace body, the gas pump is fixedly installed on the exhaust pipe; the filter box is fixedly installed on the upper end of the annealing furnace body, and a filter screen is fixedly installed in the filter box; the outlet of the exhaust pipe is communicated with the filter box; the gas pump draws the harmful gas in the annealing furnace body to the filter box through the exhaust pipe for filtration.

[0009] The beneficial effect is that the oxide scale on the partition plate is scraped off by the scraping of the scraper and falls into the collection drawer, facilitating the centralized processing of the staff; and the spring elastic reset cooperates with the cam to drive the lifting frame to move up and down, so that the vibration generated by the hammering of the partition plate effectively peels off the stubborn oxide scale on the partition plate. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, a brief introduction will be given below to the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0011] Figure 1 It is a structural schematic view of an embodiment of the annealing device for cast steel parts of the present application.

[0012] Figure 2 It is a structural schematic view of the inside of an embodiment of the present application.

[0013] Figure 3 It is a structural schematic view of the cleaning mechanism of an embodiment of the present application.

[0014] Figure 4 It is Figure 3 It is an enlarged view of A in the figure.

[0015] In the figure: 100, annealing furnace body; 101, working cavity; 102, collection cavity; 110, partition plate; 111, cleaning groove; 120, heating wire; 130, mounting box; 140, sealing door; 141, observation window; 200, sliding groove; 210, sliding rod; 220, scraper; 230, screw rod; 231, first gear; 240, collection drawer; 250, lifting frame; 251, spring; 252, connecting block; 260, hammering rod; 270, rotating shaft; 271, second gear; 280, cam; 290, driving motor; 291, driving gear; 300, exhaust pipe; 310, gas pump; 320, filter box. DETAILED DESCRIPTION

[0016] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to specific circumstances.

[0017] The embodiment of the annealing device for cast steel parts of the utility model, as shown in Figures 1 to 4 The annealing device for cast steel parts, including annealing furnace body 100, cleaning mechanism, driving mechanism and exhaust mechanism;Annealing furnace body 100 front hinged sealing door 140, sealing door 140 is fixedly installed with observation window 141;Annealing furnace body 100 is fixedly installed with partition plate 110, and annealing furnace body 100 is divided into working cavity 101 and collection cavity 102 by partition plate 110;Heating wire 120 is fixedly installed on the side wall of working cavity 101;Collection drawer 240 is slidably installed in collection cavity 102;Cleaning mechanism includes sliding rod 210, scraper 220 and auxiliary assembly;Partition plate 110 is provided with cleaning groove 111, and sliding groove 200 is formed in the side wall of working cavity 101, sliding rod 210 is slidably installed in sliding groove 200, scraper 220 is fixedly installed at the lower end of sliding rod 210, and the lower end of scraper 220 abuts against partition plate 110;Auxiliary assembly is arranged below partition plate 110, and the auxiliary assembly is used for knocking partition plate 110;Driving mechanism is arranged in annealing furnace body 100, and partition plate 110 is used for driving cleaning mechanism;Exhaust mechanism is arranged on annealing furnace body 100, and the exhaust mechanism is used for filtering harmful substances generated in annealing furnace body 100;The cast steel parts are placed on partition plate 110 and heated and kept warm by heating wire 120;Harmful gases generated during annealing of cast steel parts in annealing furnace body 100 are discharged and filtered by using exhaust mechanism;After annealing, sealing door 140 is opened, and the cast steel parts are taken out, driving mechanism drives scraper 220 to push the residual oxide skin on partition plate 110 from cleaning groove 111 through sliding rod 210, and the oxide skin falls into collection drawer 240, which is convenient for subsequent centralized treatment.

[0018] The auxiliary assembly comprises a lifting frame 250 and hammering rods 260; the lifting frame 250 is U-shaped, a connecting block 252 is fixedly installed on the side wall of the lifting frame 250, and the lifting frame 250 is slidingly installed on the side wall of the collecting cavity 102 through the connecting block 252; a plurality of hammering rods 260 are fixedly installed on the upper end of the lifting frame 250; a plurality of springs 251 are fixedly installed between the lifting frame 250 and the partition plate 110; the driving mechanism drives the hammering rods 260 to move up and down through the lifting frame 250, and the hammering rods 260 are caused to knock the partition plate 110 under the action of the springs 251, so that the partition plate 110 is vibrated and more completely cleaned together with the scraping of the scraper 220.

[0019] The annealing furnace body 100 is fixedly installed with a mounting box 130 at the rear end; the driving mechanism comprises a screw rod 230, a rotating shaft 270, a cam 280 and a driving motor 290; the screw rod 230 is rotatably installed in the sliding groove 200, the rear end of the screw rod 230 is fixedly installed with a first gear 231, and the screw rod 230 is threadedly connected with the sliding rod 210; the rotating shaft 270 is rotatably installed at the rear end of the collecting cavity 102, and the rear end of the rotating shaft 270 is fixedly installed with a second gear 271; the cam 280 is fixedly installed at the front end of the rotating shaft 270; the driving motor 290 is fixedly installed in the mounting box 130, and a driving gear 291 is fixedly installed on the output shaft of the driving motor 290; the driving gear 291 is in mesh with the first gear 231 and the second gear 271; the driving motor 290 drives the screw rod 230 and the rotating shaft 270 to rotate through the driving gear 291, the first gear 231 and the second gear 271, the screw rod 230 drives the scraper 220 to scrape on the partition plate 110 through the sliding rod 210, the rotating shaft 270 drives the cam 280 to rotate, and the lifting frame 250 is driven to move up and down through the cam 280.

[0020] The exhaust mechanism comprises an exhaust pipe 300, an air pump 310 and a filter box 320; the exhaust pipe 300 is fixedly installed on the upper end of the annealing furnace body 100, the air pump 310 is fixedly installed on the exhaust pipe 300, and the filter box 320 is fixedly installed on the upper end of the annealing furnace body 100 and is fixedly installed with a filter screen therein; the outlet of the exhaust pipe 300 is communicated with the filter box 320; the air pump 310 draws the harmful gas in the annealing furnace body 100 to the filter box 320 through the exhaust pipe 300 for filtration.

[0021] In combination with the above-mentioned embodiments, the use principle and working process of the utility model are as follows: the cast steel piece is placed on the partition plate 110 and is heated and kept warm by the heating wire 120; the air pump 310 draws the harmful gas generated when the cast steel piece is annealed in the annealing furnace body 100 to the filter box 320 through the exhaust pipe 300 to carry out filtration; after annealing is completed, the cast steel piece is taken out by opening the sealing door 140, the driving motor 290 drives the screw rod 230 and the rotating shaft 270 to rotate through the driving gear 291 and the first gear 231 and the second gear 271; the screw rod 230 drives the scraper 220 to push the residual oxide skin on the partition plate 110 from the cleaning groove 111 through the sliding rod 210, at the same time, the rotating shaft 270 drives the cam 280 to rotate, the lifting frame 250 is driven to move up and down by the cam 280, the hammering rod 260 is driven to move up and down by the lifting frame 250, and the hammering rod 260 is knocked against the partition plate 110 under the action of the spring 251, so that the partition plate 110 is vibrated and the residual oxide skin on the partition plate 110 is cleaned more thoroughly in cooperation with the scraping of the scraper 220.

[0022] The above merely describes the preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An annealing device for cast steel pieces, characterized in that: The annealing furnace body (100) is divided into a working cavity (101) and a collecting cavity (102) by a partition plate (110) fixedly installed in the annealing furnace body (100); a heating wire (120) is fixedly installed on the side wall of the working cavity (101); The cleaning mechanism comprises a sliding rod (210), a scraper (220) and an auxiliary assembly; a cleaning groove (111) is formed in the partition plate (110), and a sliding groove (200) is formed in the side wall of the working cavity (101); the sliding rod (210) is slidingly installed in the sliding groove (200); the scraper (220) is fixedly installed at the lower end of the sliding rod (210); and the lower end of the scraper (220) abuts against the partition plate (110); The auxiliary assembly is arranged below the partition plate (110) and is used for knocking the partition plate (110); The driving mechanism is arranged in the annealing furnace body (100) and is used for driving the cleaning mechanism; The exhaust mechanism is arranged on the annealing furnace body (100) and is used for filtering harmful substances generated in the annealing furnace body (100). The auxiliary assembly comprises a lifting frame (250) and a hammering rod (260); the lifting frame (250) is U-shaped, a connecting block (252) is fixedly installed on the side wall of the lifting frame (250), the lifting frame (250) is slidingly installed on the side wall of the collecting cavity (102) through the connecting block (252), a plurality of hammering rods (260) are fixedly installed at the upper end of the lifting frame (250), and a plurality of springs (251) are fixedly installed between the lifting frame (250) and the partition plate (110).

2. The apparatus for annealing a cast steel part according to claim 1, wherein: A collecting drawer (240) is slidingly installed in the collecting cavity (102).

3. An apparatus for annealing a cast steel part as defined in claim 2, wherein: An installation box (130) is fixedly installed at the rear end of the annealing furnace body (100).

4. The apparatus for annealing a cast steel part according to claim 3, wherein: The driving mechanism comprises a screw rod (230), a rotating shaft (270), a cam (280) and a driving motor (290); the screw rod (230) is rotatably installed in the sliding groove (200), a first gear (231) is fixedly installed at the rear end of the screw rod (230), and the screw rod (230) is threadedly connected with the sliding rod (210); the rotating shaft (270) is rotatably installed at the rear end of the collecting cavity (102), a second gear (271) is fixedly installed at the rear end of the rotating shaft (270); the cam (280) is fixedly installed at the front end of the rotating shaft (270); the driving motor (290) is fixedly installed in the installation box (130), a driving gear (291) is fixedly installed on the output shaft of the driving motor (290); and the driving gear (291) is in meshing connection with the first gear (231) and the second gear (271).

5. An apparatus for annealing a cast steel part as defined in claim 4, wherein: ​ 6. An apparatus for annealing a cast steel part as defined in claim 5, wherein: The exhaust mechanism comprises an exhaust pipe (300), an air pump (310) and a filter box (320); the exhaust pipe (300) is fixedly installed on the upper end of the annealing furnace body (100), the air pump (310) is fixedly installed on the exhaust pipe (300); the filter box (320) is fixedly installed on the upper end of the annealing furnace body (100), and a filter screen is fixedly installed in the filter box (320); the outlet of the exhaust pipe (300) is communicated with the filter box (320).

7. An apparatus for annealing a cast steel part as defined in claim 6, wherein: A sealing door (140) is hingedly connected to the front end of the annealing furnace body (100), and an observation window (141) is fixedly installed on the sealing door (140).

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