Iron-chromium-aluminum electrothermal alloy heat treatment device

Abstract

The utility model relates to the technical field of heat treatment, in particular to a heat treatment device for an iron-chromium-aluminum electrothermal alloy. Comprising a rack, a water cooling mechanism, two limiting plates and two natural gas jet heads. A silk screen conveying belt is mounted on the rack; the two limiting plates are arranged side by side, and first electric push rods used for driving the limiting plates on the corresponding sides to move are installed at the two ends of the rack correspondingly. One natural gas jet head is arranged above the silk screen conveying belt, and the other natural gas jet head is arranged on the inner side of the silk screen conveying belt; first movable baffles are slidably mounted at the two ends of the two natural gas jet heads correspondingly, a first connecting plate is connected between the two first movable baffles on the same side, and the two first movable baffles at the upper end are connected with the limiting plates on the two sides correspondingly. And the water cooling mechanism is mounted on the rack. According to the technical scheme, continuous feeding and heating of workpieces can be achieved, the working efficiency is high, the heating range can be adjusted according to the sizes of the workpieces, and natural gas is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment technical field especially relates to a kind of iron-chromium-aluminum electric heating alloy heat treatment device. BACKGROUND

[0002] Iron-chromium-aluminum electric heating alloy (usually referred to as FeCrAl alloy) is a kind of material widely used in electric heating element, and it is favored because of high temperature strength, oxidation resistance and good resistivity. In order to optimize its performance, heat treatment is usually required.

[0003] Because the shape of electric heating alloy is various, the common heating mode is to take spray heating, because the range of spray head spray is fixed, so it cannot fully adapt to the heating work of different electric heating alloys, and generally adopts downward spray heating mode when heating, but it will cause the bottom end of electric heating alloy to heat slowly, and easy to appear the phenomenon of uneven heating. SUMMARY

[0004] The utility model aims at the problems in the background art, and proposes an iron-chromium-aluminum electric heating alloy heat treatment device.

[0005] The technical scheme of the utility model, an iron-chromium-aluminum electric heating alloy heat treatment device, comprises:

[0006] Rack, rack is equipped with wire mesh conveyor belt, rack is equipped with power assembly for driving wire mesh conveyor belt to move;

[0007] Two limiting plates are arranged side by side, the end of two limiting plates is connected with inclined plate, inclined plate has the structure of bending outward, the both ends of rack are equipped with first electric push rod for driving corresponding side limiting plate to move;

[0008] Two natural gas spray heads, wherein, one natural gas spray head is arranged above wire mesh conveyor belt, another natural gas spray head is arranged on the inner side of wire mesh conveyor belt; The both ends of two natural gas spray heads are slidably installed with first movable baffle, two first movable baffles on the same side are connected with first connecting plate, two first movable baffles of upper end are connected with limiting plate on both sides respectively;

[0009] Water cooling mechanism is installed on rack.

[0010] Preferably, two vibration plates are arranged side by side above wire mesh conveyor belt, the outer side of two vibration plates is provided with third connecting plate, two third connecting plates are connected with first connecting plate on both sides respectively, and multiple elastic telescopic rod assemblies are connected between vibration plate and third connecting plate on the same side; One side of vibration plate is provided with second electric push rod, and second electric push rod is installed on rack.

[0011] Preferably, the elastic telescopic rod assembly comprises a sleeve, a movable rod, a limiting slider and two springs, the sleeve and the movable rod are connected with the third connecting plate and the vibration plate respectively, the end of the movable rod is movably arranged in the inside of the sleeve and connected with the limiting slider, the two springs are arranged in the inside of the sleeve, and the two springs are respectively located at the two ends of the limiting slider.

[0012] Preferably, the water cooling mechanism comprises a cooling water nozzle, the cooling water nozzle is arranged above the wire mesh conveying belt, a water inlet pipe is connected to the cooling water nozzle, a first valve is arranged on the water inlet pipe, a mounting frame is arranged between the cooling water nozzle and the rack, second moving baffles are slidably arranged at the two ends of the cooling water nozzle, and a second connecting plate is arranged between the second moving baffles on the same side and the first moving baffle.

[0013] Preferably, the power assembly comprises a servo motor, two chains, two mounting shafts and four sprockets, the two mounting shafts are rotatably arranged at the two ends of the rack, the four sprockets are arranged at the two ends of the two mounting shafts, the two sprockets on the same side are connected through the chain, and the wire mesh conveying belt is arranged between the two chains.

[0014] Preferably, the wire mesh conveying belt comprises a plurality of metal rods arranged equidistantly along the direction of the chain path, and the two ends of the metal rod are connected with the chains on the two sides respectively.

[0015] Preferably, support rods connected with the rack are arranged at the two ends of the inside of the wire mesh conveying belt, and the support rods are in contact with the plurality of metal rods at the upper end.

[0016] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0017] 1. The workpiece is placed on the moving wire mesh conveying belt, and the two natural gas nozzles are arranged, so that the upper end and the lower end of the workpiece can be heated synchronously, thereby improving the heating effect of the workpiece.

[0018] 2. A plurality of workpieces can be continuously placed on the moving wire mesh conveying belt, thereby improving the work efficiency.

[0019] 3. The two limiting plates can limit the moving workpiece, preventing the workpiece from deviating.

[0020] 4. The two limiting plates indirectly adjust the fire range of the natural gas nozzle during movement, and the fire range is automatically adjusted according to the size of the workpiece, thereby saving the use of natural gas and avoiding waste. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 and Fig. 2 are structural schematic diagrams of the utility model.

[0022] Fig. 3 It is the sectional view structure diagram of the elastic telescopic rod assembly in the utility model.

[0023] Fig. 1, rack; 201, servo motor; 202, chain wheel; 203, chain; 204, mounting shaft; 3, metal rod; 4, limit plate; 41, inclined plate; 5, first electric push rod; 6, natural gas jet head; 7, first movable baffle; 8, first connecting plate; 9, cooling water spray head; 10, second movable baffle; 11, second connecting plate; 12, vibration plate; 13, mounting frame; 14, second electric push rod; 15, water inlet pipe; 16, first valve; 171, total gas inlet pipe; 172, branch pipe; 18, second valve; 19, elastic telescopic rod assembly; 191, sleeve; 192, movable rod; 193, spring; 194, limit sliding block; 20, third connecting plate. DETAILED DESCRIPTION

[0024] Example one

[0025] As Figs. 1-3 shown, the iron-chromium-aluminum electric heating alloy heat treatment device provided by the embodiment includes a rack 1, a water cooling mechanism, two limit plates 4 and two natural gas jet heads 6.

[0026] The rack 1 is provided with a wire mesh conveyor belt, the wire mesh conveyor belt includes a plurality of metal rods 3 equidistantly arranged along the path direction of the chains 203, the two ends of the metal rods 3 are connected with the chains 203 on the two sides respectively, the metal rods 3 should be made of high-temperature-resistant metal material, the rack 1 is provided with a power assembly for driving the wire mesh conveyor belt to move, the power assembly includes a servo motor 201, two chains 203, two mounting shafts 204 and four chain wheels 202, wherein the two mounting shafts 204 are rotatably installed at the two ends of the rack 1 respectively, the four chain wheels 202 are installed at the two ends of the two mounting shafts 204 respectively, the two chain wheels 202 on the same side are transmissionally connected through the chain 203, and the wire mesh conveyor belt is installed between the two chains 203.

[0027] The inner two ends of the wire mesh conveyor belt are provided with support rods connected with the rack 1, the support rods are in contact with the plurality of metal rods 3 at the upper end, and the support rods are arranged to support the plurality of metal rods 3 at the upper end, so as to prevent the upper end of the wire mesh conveyor belt from falling.

[0028] The two limit plates 4 are arranged side by side, the end portions of the two limit plates 4 are connected with inclined plates 41, the inclined plates 41 have an outwardly bent structure, and the two ends of the rack 1 are provided with first electric push rods 5 for driving the corresponding side limit plates 4 to move.

[0029] A natural gas jet head 6 is arranged above the wire mesh conveyor belt, and another natural gas jet head 6 is arranged on the inner side of the wire mesh conveyor belt; the two ends of the two natural gas jet heads 6 are slidably installed with first movable baffles 7, and the two first movable baffles 7 on the same side are connected with a first connecting plate 8, and the two first movable baffles 7 at the upper end are respectively connected with the limiting plates 4 on both sides.

[0030] The water cooling mechanism is installed on the rack 1, and the water cooling mechanism includes a cooling water spray head 9 arranged above the wire mesh conveyor belt, and the cooling water spray head 9 is connected with a water inlet pipe 15, and the water inlet pipe 15 is installed with a first valve 16, and the cooling water spray head 9 is connected with the rack 1 through a mounting bracket 13, and the two ends of the cooling water spray head 9 are slidably installed with second movable baffles 10, and the second movable baffles 10 on the same side are connected with the first movable baffles 7 through a second connecting plate 11.

[0031] Specifically, when the workpiece is heat treated, the workpiece is placed on the wire mesh conveyor belt, and the power assembly is arranged to drive the wire mesh conveyor belt to move. Before that, the distance between the two limiting plates 4 should be adjusted by the first electric push rod 5, so as to realize the limiting effect of the workpiece, prevent the workpiece from deviating during movement, and the two inclined plates 41 form an eight-shaped outward structure, so that the workpiece is easily moved between the two limiting plates 4; when adjusting the movement of the two limiting plates 4, the two limiting plates 4 drive the first movable baffles 7 on the corresponding side to move, so that the device can automatically adjust the natural gas jet head 6 according to the size of the workpiece. The range of the fire, which is conducive to saving the use of natural gas. It needs to be supplemented that the two natural gas jet heads 6 are connected with branch pipes 172, and the two branch pipes 172 are connected with the total gas inlet pipe 171. Natural gas is injected into the total gas inlet pipe 171, and the natural gas can enter the interior of the two natural gas jet heads 6 through the two branch pipes 172. After the gas is sprayed, the electronic igniter installed on the natural gas jet head 6 ignites the gas to heat the upper and lower ends of the workpiece at the same time, improves the heating effect of the workpiece, and adjusts the fire size through the second valve 18 installed on the total gas inlet pipe 171 after the gas jet range is reduced. The second valve 18 is a manual valve or an electromagnetic valve. In the technical scheme, the movement speed of the wire mesh conveyor belt is adjusted to realize the adjustment of the heating time of the workpiece.

[0032] Further, in order to further save the amount of natural gas used, a distance measuring sensor can be installed above the upper natural gas jet head 6. When the distance measuring sensor detects that the workpiece moves to the lower position, the distance measuring sensor feeds back the detected signal to the PLC controller, and the second valve 18 is opened by the PLC controller. When the distance measuring sensor does not detect the workpiece below, the second valve 18 is closed, so as to further improve the utilization efficiency of the natural gas.

[0033] Two limiting plates 4 drive two second moving baffles 10 on both sides to move during movement, and the two second moving baffles 10 are used for sealing the spray holes of the cooling water spray head 9. By arranging two movable second moving baffles 10, the device can adaptively adjust the water spraying range of the cooling water spray head 9 according to the size of the workpiece, which is beneficial to saving the use of water resources. The first valve 16 is a manual valve or an electric valve. When the water spraying range is reduced and the spraying intensity of the cooling water spray head 9 is increased, the first valve 16 can be arranged to adjust the water intensity.

[0034] Further, in order to further improve the utilization efficiency of cooling water, a distance measuring sensor is also installed above the cooling water spray head 9. When the workpiece moves below the distance measuring sensor, the first valve 16 is controlled to be opened, and vice versa.

[0035] In summary, the technical scheme places the workpiece on the moving wire mesh conveyor belt, and arranges two natural gas jet heads 6, so as to realize synchronous heating of the upper and lower ends of the workpiece, thereby improving the heating effect of the workpiece. A plurality of workpieces can be continuously placed on the wire mesh conveyor belt, thereby improving the work efficiency. The two limiting plates 4 can limit the movement of the workpiece, thereby preventing the workpiece from deviating. The two limiting plates 4 indirectly adjust the jet range of the natural gas jet head 6 during movement. The jet range is automatically adjusted according to the size of the workpiece, which can save the use of natural gas and avoid waste.

[0036] Embodiment Two

[0037] As shown in Figs. 1-3 The iron-chromium-aluminum electric heating alloy heat treatment device provided in the embodiment has two vibration plates 12 arranged side by side above the wire mesh conveyor belt. The outer sides of the two vibration plates 12 are provided with third connecting plates 20. The two third connecting plates 20 are connected with the first connecting plates 8 on both sides, respectively. A plurality of elastic expansion rod assemblies 19 are connected between the vibration plates 12 and the third connecting plates 20 on the same side. The elastic expansion rod assembly 19 comprises a sleeve 191, a movable rod 192, a limiting slide 194, and two springs 193. The sleeve 191 and the movable rod 192 are connected with the third connecting plate 20 and the vibration plate 12, respectively. The end of the movable rod 192 is movably arranged in the inner side of the sleeve 191 and connected with the limiting slide 194. The two springs 193 are arranged in the inner side of the sleeve 191, and the two springs 193 are located at the two ends of the limiting slide 194, respectively. One side of the vibration plate 12 is provided with a second electric push rod 14, and the second electric push rod 14 is installed on the rack 1.

[0038] Specifically, the two limiting plates 4 will respectively drive the two sides of the vibration plate 12 to move during the movement process, in the technical scheme, the interval of the two vibration plates 12 should be greater than the interval of the two limiting plates 4, so as to reserve a certain space for the workpiece to move, when the workpiece moves to the interval between the two vibration plates 12, the second electric push rod 14 is started to work to drive the corresponding side of the vibration plate 12 to move, the vibration plate 12 pushes the workpiece to move, the workpiece pushes the vibration plate 12 on the other side to move, then the output shaft of the second electric push rod 14 is quickly retracted, the back and forth swing of the vibration plate 12 is realized under the elastic force of the elastic telescopic rod assembly 19, so that the workpiece repeatedly hits between the two vibration plates 12, thereby facilitating the residual on the workpiece to be shaken off.

[0039] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range possessed by the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. An apparatus for heat treating ferrochrome-aluminum electrothermal alloy, characterized by, The utility model relates to a kind of natural gas screen printing machine, including: Frame (1), screen conveying belt is installed on frame (1), power component for driving screen conveying belt movement is installed on frame (1); Two limiting plates (4) are arranged side by side, the end of two limiting plates (4) is connected with inclined plate (41), inclined plate (41) has the structure of bending outward, the both ends of frame (1) are equipped with the first electric push rod (5) for driving the movement of corresponding side limiting plate (4); Two natural gas jet heads (6), wherein, one natural gas jet head (6) is provided above screen conveying belt, another natural gas jet head (6) is provided inside screen conveying belt;The both ends of two natural gas jet heads (6) are slidably installed with first movable baffle (7), first movable baffle (7) of the same side is connected with first connecting plate (8) between two first movable baffles (7), two first movable baffles (7) of upper end are connected with limiting plate (4) of both sides respectively; Water cooling mechanism is installed on frame (1).

2. The apparatus for heat treatment of ferrochrome-aluminium electric heat alloy according to claim 1, characterized in that, The upper side of screen conveying belt is provided with two vibration plates (12) side by side, the outer side of two vibration plates (12) is provided with third connecting plate (20), two third connecting plates (20) are connected with first connecting plate (8) of both sides respectively, and a plurality of elastic telescopic rod assemblies (19) are connected between vibration plate (12) and third connecting plate (20) of the same side;Second electric push rod (14) is provided on one side of vibration plate (12), and second electric push rod (14) is installed on frame (1).

3. A heat treatment apparatus for Fe-Cr-Al electric heat alloy according to claim 2, wherein Elastic telescopic rod assembly (19) includes sleeve (191), movable rod (192), limiting slide (194) and two springs (193), sleeve (191) and movable rod (192) are connected with third connecting plate (20) and vibration plate (12) respectively, the end of movable rod (192) is movably arranged in the inner side of sleeve (191) and is connected with limiting slide (194), two springs (193) are arranged in the inner side of sleeve (191), and two springs (193) are located at the both ends of limiting slide (194) respectively.

4. The apparatus for heat treating ferrochrome-aluminum electric heat alloy of claim 1, wherein Water cooling mechanism includes cooling water spray head (9), cooling water spray head (9) is provided above screen conveying belt, water inlet pipe (15) is connected on cooling water spray head (9), first valve (16) is installed on water inlet pipe (15), mounting bracket (13) is connected between cooling water spray head (9) and frame (1), second movable baffle (10) is slidably installed on both ends of cooling water spray head (9), second movable baffle (10) of the same side is connected with first movable baffle (7) between second connecting plate (11).

5. The apparatus for heat treating ferrochrome-aluminum electric heat alloy of claim 1, wherein Power component includes servo motor (201), two chains (203), two mounting shafts (204) and four chain wheels (202), wherein, two mounting shafts (204) are rotatably installed at both ends of frame (1), four chain wheels (202) are installed at both ends of two mounting shafts (204), two chain wheels (202) of the same side are connected by chain (203) between two chain wheels (202), and screen conveying belt is installed between two chains (203).

6. A heat treatment apparatus for an iron-chromium-aluminum electric heat alloy according to claim 5, wherein The wire mesh conveying belt comprises a plurality of metal rods (3) arranged equidistantly along the path direction of the chain (203), and both ends of the metal rod (3) are connected with the chain (203) on both sides respectively.

7. A heat treatment apparatus for an iron-chromium-aluminum electric heat alloy according to claim 6, wherein Both ends of the inner side of the wire mesh conveying belt are provided with support rods connected with the rack (1), and the support rods are in contact with the plurality of metal rods (3) located at the upper end.

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