Heat treatment device for steel strip

Abstract

The utility model discloses a heat treatment device for a steel belt, which comprises a furnace body, an electric heating tube is arranged on the inner wall of the furnace body, the lower end of the furnace body is in direct contact with the ground, a furnace mouth is arranged on one side of the furnace body, the lower end of the furnace mouth extends to the bottom in the furnace body, a furnace door which is opened and closed in a lifting manner is arranged at the furnace mouth in a matched manner, and the furnace door is driven to lift by a lifting mechanism. A rail is arranged at the bottom in the furnace body, the outer end of the rail extends outwards from the furnace opening to the ground, a notch corresponding to the lower end of the furnace door is formed in the rail, a traveling trolley is arranged on the rail in a sliding mode, a bearing plate is rotatably installed at the upper end of the traveling trolley and is in a circular shape, and an arc groove is formed in the upper end of the bearing plate. Two rotating rollers are arranged on the inner wall of the furnace body and can abut against the edge of the bearing plate, one roller is driven by a driving mechanism to rotate, steel strip coils can be conveniently fed into a heat treatment device with a lateral opening, a forklift is not needed, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment technical field, concretely relate to a heat treatment device for steel band. BACKGROUND

[0002] Steel band is usually stored and transported in coils, so when heat treating the steel band, it is generally sent into the heat treatment device in whole coil. The steel band coil is often heavy and needs to be lifted by hoisting equipment. For the heat treatment device with side opening, it is difficult to send the steel band coil into the heat treatment device by hoisting equipment. Therefore, the steel band coil is inserted into the heat treatment device by forklift, but the steel band coil is usually placed horizontally for easy lifting, so when the forklift forks the steel band coil, the steel band coil is easy to roll and difficult to control, and the cost of forklift needs to be additionally increased. SUMMARY

[0003] In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a heat treatment device for steel band.

[0004] In order to realize the above technical effects, the utility model adopts the following scheme:

[0005] A heat treatment device for steel band, comprising a furnace body, an electric heating tube is arranged on the inner wall of the furnace body, the lower end of the furnace body directly contacts the ground, a furnace opening is arranged on one side of the furnace body, the lower end of the furnace opening extends to the bottom in the furnace body, a furnace door that can be opened and closed by lifting is arranged at the furnace opening, the furnace door is driven to lift by a lifting mechanism, the bottom in the furnace body is provided with a track, the outer end of the track extends to the ground from the furnace opening, the track is horizontally arranged, the track has a gap corresponding to the lower end of the furnace door, a traveling trolley is slidably arranged on the track, a supporting plate is rotatably arranged at the upper end of the traveling trolley, the supporting plate is circular, a circular groove is arranged at the upper end of the supporting plate, two rotating rollers are arranged on the inner wall of the furnace body, the rollers correspond to the inner end of the track, both rollers can abut against the edge of the supporting plate, and one of the rollers is driven to rotate by a driving mechanism.

[0006] Preferably, the driving mechanism comprises a motor mounted on the outer wall of the furnace body, the output end of the motor is connected with a transmission shaft, the inner end of the transmission shaft extends into the furnace body, and the transmission shaft is rotatably connected with the furnace body through a shaft seal structure, the inner end of the transmission shaft is provided with a worm, one worm wheel is coaxially arranged on the roller driven by the driving mechanism, and the worm wheel is meshingly connected with the worm.

[0007] Preferably, the lifting mechanism comprises a hydraulic cylinder fixed on the outer wall of the furnace body, the telescopic end of the hydraulic cylinder is fixedly connected with the upper end of the furnace door, and the furnace opening is provided with a vertical guide sliding rail on each side.

[0008] Preferably, the lower end of the supporting plate is rotatably installed on the traveling trolley through a rotating shaft, a plurality of universal wheels are arranged around the rotating shaft at the lower end of the supporting plate, and the universal wheels are arranged close to the edge of the supporting plate.

[0009] Preferably, the traveling trolley comprises a supporting plate, and traveling wheels for moving on the track are installed at the lower end of the supporting plate.

[0010] Preferably, the track is provided with two parallel rows, the lower end of the supporting plate is provided with two rows of traveling wheels in correspondence, at least three traveling wheels are arranged in the same row, and the distance between the adjacent two traveling wheels in the same row is greater than the width of the gap.

[0011] Preferably, the bottom of the furnace body is provided with a pressing mechanism for the traveling trolley, the pressing mechanism comprises a baffle arranged on the outer side of the supporting plate, the upper end of the baffle is hingedly connected with the edge of the upper end of the supporting plate, the inner side of the baffle is attached to the side edge of the outer side of the supporting plate, the lower end of the baffle extends below the supporting plate, a support is fixedly arranged on the bottom of the furnace body, a rotating lead screw is arranged on the support through a screw hole, the lead screw is arranged in parallel with the track, a rotating handle is arranged at the outer end of the lead screw, and the inner end of the lead screw can abut against the outer side of the baffle.

[0012] Compared with the prior art, the beneficial effects are:

[0013] The utility model discloses simple structure, convenient to use, and the track extends from the ground outside the furnace body to the furnace body, and the traveling trolley moves on the track, so that the traveling trolley is moved to the outside of the furnace body, the steel band roll is lifted and placed on the arc groove of the supporting plate through the hoisting equipment, then the traveling trolley is pushed into the furnace body, the furnace door is closed, the steel band roll is conveniently sent into the heat treatment device with lateral opening through the utility model, and a forklift is not needed, and the cost is reduced. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a cross section schematic view of one state of the utility model;

[0015] Figure 2 It is a cross section schematic view of another state of the utility model;

[0016] Figure 3It is the horizontal section schematic view of part structure of the utility model.

[0017] The figure mark: 1, furnace body;2, furnace mouth;3, furnace door;4, hydraulic cylinder;5, track;6, notch;7, support plate;8, running wheel;9, bearing plate;10, circular arc groove;11, universal wheel;12, baffle;13, support;14, screw;15, roller;16, motor;17, worm. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] A heat treatment device for steel strip, comprising a furnace body 1, the furnace body 1 is the heat treatment furnace in prior art, the inner wall of the furnace body 1 is equipped with electric heating tube, the lower end of the furnace body 1 directly contacts ground, the furnace body 1 is equipped with furnace mouth 2 on one side, the lower end of the furnace mouth 2 extends to the bottom in the furnace body 1, the furnace mouth 2 is equipped with the furnace door 3 of lifting opening and closing, the furnace door 3 is driven lifting by lifting mechanism.

[0020] The bottom in the furnace body 1 is equipped with track 5, the outer end of the track 5 extends to ground from the furnace mouth 2, the track 5 is horizontally arranged, the track 5 is equipped with notch 6 corresponding with the lower end of the furnace door 3, when the furnace door 3 is closed by lowering, the lower end of the furnace door 3 passes through the notch 6, so that the furnace door 3 can be completely closed furnace mouth 2.

[0021] The track 5 is equipped with running trolley, the upper end of the running trolley is rotatably installed with bearing plate 9, the bearing plate 9 is circular, the upper end of the bearing plate 9 is equipped with circular arc groove 10, the bearing plate 9 is used for placing the steel strip coil for heat treatment, the steel strip coil is placed horizontally in the circular arc groove 10, and the limit of the circular arc groove 10 avoids the rolling of the steel strip coil.

[0022] The inner wall of the furnace body 1 is equipped with two rotating rollers 15, the roller 15 corresponds with the inner end of the track 5, two rollers 15 can be abutted with the edge of the bearing plate 9, and one of the rollers 15 is driven to rotate by driving mechanism.

[0023] The track 5 extends from the ground outside the furnace body 1 to the furnace body 1, and a moving trolley is arranged on the track 5, so that the trolley is moved outside the furnace body 1, the steel strip coil is lifted on the arc groove 10 of the supporting plate 9 by the lifting equipment, then the trolley is pushed into the furnace body 1, the edge of the supporting plate 9 on the trolley is abutted against two rollers 15, one roller 15 is driven to rotate by a driving mechanism, so that the supporting plate 9 and the steel strip coil are driven to rotate, and the furnace door 3 is closed, so that the steel strip coil is conveniently sent into the heat treatment device with a lateral opening, and a forklift is not needed, and the cost is reduced.

[0024] Preferably, the driving mechanism comprises a motor 16 mounted on the outer wall of the furnace body 1, the output end of the motor 16 is connected with a transmission shaft, the inner end of the transmission shaft extends into the furnace body 1, and the transmission shaft is rotatably connected with the furnace body 1 through a shaft sealing structure, the inner end of the transmission shaft is provided with a worm 17, one coaxial worm wheel is arranged on one roller 15 driven by the driving mechanism, and the worm wheel is in meshing connection with the worm 17.

[0025] The motor 16 drives the worm 17 to rotate through the transmission shaft, so as to drive the worm wheel in meshing connection with the worm 17 to rotate, and the worm wheel and the roller 15 are fixedly installed on the same shaft, so as to drive the roller 15 to rotate.

[0026] Preferably, the lifting mechanism comprises a hydraulic cylinder 4 fixedly arranged on the outer wall of the furnace body 1, the telescopic end of the hydraulic cylinder 4 is fixedly connected with the upper end of the furnace door 3 in a downward direction, and one vertical guide sliding rail is arranged on each side of the furnace opening 2, and the two sides of the furnace door 3 are slidably matched and installed on the two guide sliding rails through the guide sliding grooves arranged on the two sides.

[0027] The furnace door 3 is driven to move up and down along the guide sliding rails by the hydraulic cylinder 4.

[0028] Preferably, the lower end of the supporting plate 9 is rotatably installed on the trolley through a rotating shaft, a plurality of universal wheels 11 are arranged around the rotating shaft at the lower end of the supporting plate 9, the universal wheels are arranged close to the edge of the supporting plate 9, and the bottom of the universal wheel 11 is abutted against the upper end of the trolley.

[0029] The upper end of the trolley is a plane, and the universal wheels are rolled against the upper end of the trolley, so as to support the supporting plate 9 and make the supporting plate 9 have greater bearing capacity.

[0030] Preferably, the trolley comprises a supporting plate 7, the lower end of the supporting plate 7 is provided with a moving wheel 8 moving on the track 5, and the supporting plate 9 is rotatably installed on the upper end of the supporting plate 7.

[0031] Preferably, the track 5 is provided with two parallel rows, the lower end of the support plate 7 is correspondingly provided with two rows of running wheels 8, at least three running wheels 8 are provided in the same row, the distance between the adjacent two running wheels 8 in the same row is greater than the width of the gap 6, so that when one running wheel 8 passes through the gap 6, the other running wheels 8 in the same row are still on the track 5, thereby avoiding derailment.

[0032] Preferably, the bottom of the furnace body 1 is provided with a abutting mechanism for the running trolley, the abutting mechanism comprises a baffle 12 arranged on the outer side of the support plate 7, the upper end of the baffle 12 is hinged to the edge of the upper end of the support plate 7, the inner side of the baffle 12 is attached to the side of the outer side of the support plate 7, and the lower end of the baffle 12 extends below the support plate 7, the bottom of the furnace body 1 is fixedly provided with a support 13, a rotating lead screw 14 is arranged on the support 13 through a screw hole, the lead screw 14 is arranged in parallel with the track 5, the outer end of the lead screw 14 is provided with a rotating handle, and the inner end of the lead screw 14 can abut against the outer side of the baffle 12.

[0033] The baffle 12 is hinged to the outer side of the support plate 7, so that the lower end of the baffle 12 can only rotate outward, and when the running trolley enters or exits the furnace body 1, the baffle 12 is rotated, so that the running trolley can smoothly pass the position of the support 13. After the running trolley loaded with the steel belt roll is sent into the furnace body 1 and abuts against the two rollers 15, in order to ensure that the supporting plate 9 has good contact with the two rollers 15, the running trolley is abutted from the outer side direction through the abutting mechanism, specifically, the lead screw 14 is rotated through the rotating handle, since the lead screw 14 is connected with the support 13 through the screw hole, the lead screw 14 can be moved inward, so that the lead screw 14 abuts against the outer side of the baffle 12.

[0034] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0035] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0036] Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of the utility model protection.

Claims

1. A heat treatment apparatus for a steel strip, characterized in that, The utility model provides a kind of stove, including furnace body (1), the inner wall of furnace body (1) is equipped with electric heating tube, the lower end of furnace body (1) directly contacts ground, one side of furnace body (1) is equipped with furnace mouth (2), the lower end of furnace mouth (2) extends to the bottom in furnace body (1), lift opening and closing furnace door (3) is matched and arranged at furnace mouth (2), furnace door (3) is driven lifting by lifting mechanism, the bottom in furnace body (1) is equipped with track (5), the outer end of track (5) extends to ground from furnace mouth (2), track (5) is horizontally arranged, track (5) has the gap (6) corresponding with the lower end of furnace door (3) on, track (5) is equipped with travelling trolley sliding, the upper end of travelling trolley is rotatably installed with support plate (9), support plate (9) is circular, the upper end of support plate (9) is equipped with circular arc groove (10), the inner wall of furnace body (1) is equipped with two rotating rollers (15), the inner end of track (5) is corresponded with roller (15), two rollers (15) can be abutted with the brim of support plate (9), wherein one roller (15) is driven rotation by drive mechanism.

2. The heat treatment apparatus for a steel strip according to claim 1, wherein The drive mechanism includes a motor (16) mounted on the outer wall of the furnace body (1), the output end of the motor (16) is connected to a transmission shaft, the inner end of the transmission shaft extends into the furnace body (1), and the transmission shaft is rotatably connected to the furnace body (1) through a shaft seal structure, the inner end of the transmission shaft is provided with a worm (17), one of the rollers (15) driven by the drive mechanism is coaxially provided with a worm wheel, and the worm wheel is meshingly connected with the worm (17).

3. The heat treatment apparatus for a steel strip according to claim 1, wherein The lifting mechanism includes a hydraulic cylinder (4) fixedly arranged on the outer wall of the furnace body (1), the telescopic end of the hydraulic cylinder (4) is fixedly connected to the upper end of the furnace door (3) downward, two vertical guide rails are respectively arranged on the two sides of the furnace mouth (2), and the furnace door (3) is slidingly installed on the two guide rails through the guide sliding grooves arranged on the two sides of the furnace door (3).

4. The heat treatment apparatus for a steel strip according to claim 1, wherein The lower end center of the support plate (9) is rotatably installed on the travelling trolley through a rotating shaft, a plurality of universal wheels (11) are arranged around the rotating shaft of the lower end of the support plate (9), the universal wheels are arranged close to the brim of the support plate (9), and the bottom of the universal wheels (11) abuts against the upper end of the travelling trolley.

5. The heat treatment apparatus for a steel strip according to claim 1, wherein The travelling trolley includes a support plate (7), the lower end of the support plate (7) is provided with travelling wheels (8) moving on the track (5), and the support plate (9) is rotatably installed on the upper end of the support plate (7).

6. The heat treatment apparatus for a steel strip as claimed in claim 5, characterized in that, The track (5) is provided with two parallel rows, the lower end of the support plate (7) is correspondingly provided with two rows of travelling wheels (8), at least three travelling wheels (8) are provided in the same row, and the distance between the adjacent two travelling wheels (8) in the same row is greater than the width of the gap (6).

7. The heat treatment apparatus for a steel strip according to claim 5, wherein The bottom of the furnace body (1) is provided with abutting mechanism for travelling trolley, the abutting mechanism comprises baffle (12) provided on the outside of support plate (7), the upper end of baffle (12) is hinged with the edge of the upper end of support plate (7), the inside of baffle (12) is attached to the side of the outside of support plate (7), the lower end of baffle (12) extends below support plate (7), the bottom of furnace body (1) is fixedly provided with bracket (13), the rotating screw rod (14) is provided on the bracket (13) through screw hole, the screw rod (14) is arranged in parallel with track (5), the outer end of screw rod (14) is provided with rotating handle, the inner end of screw rod (14) can abut against the outside of baffle (12).

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