Electric furnace for processing enamel-plated steel pipe

Abstract

The utility model discloses an enamelled steel pipe processing electric furnace, which relates to the technical field of enamelled steel pipe processing and comprises a furnace body, a fixing frame is arranged on one side of the furnace body, a lead screw is rotatably connected in the fixing frame, the surface of the lead screw is in threaded connection with a moving plate through a lead screw nut, and a lifting component is arranged at the bottom of the moving plate. A supporting block is arranged in the middle of one side of the furnace body, a support is arranged on one side of the supporting block, and a steering assembly is arranged on the top of the support. The lifting assembly comprises a furnace cover, the furnace cover is installed on one side of the bottom end of the movable plate, a gear motor is arranged on the top of the furnace cover, and a transmission shaft of the gear motor penetrates through the furnace cover and is fixedly connected with a rotary disc arranged at the bottom of the furnace cover. And feeding and discharging operation can be carried out on workpieces at the bottom of the furnace cover, extra operation can be reduced to carry out enamel coating operation on steel pipes or other steel pieces, and the enamel coating progress of the steel pipes and other workpieces is accelerated.

Description

Technical Field

[0001] The utility model relates to an electric furnace, in particular to an electric furnace for processing enameled steel pipes, belonging to the technical field of enameled steel pipe processing. Background Art

[0002] Enameled steel pipe is a composite material formed by coating one or more layers of inorganic glassy material on the surface of a steel pipe. The surface coating is melted at high temperature, causing complex physical and chemical changes to occur, which makes the metal and its surface coating firmly bonded. It has the mechanical strength and easy processing characteristics of metal materials and the corrosion resistance, wear resistance, heat resistance, non-toxicity and rich decorative effects of inorganic glassy materials. Electric furnaces are required for sintering in the processing of enameled steel pipes.

[0003] Among them, the "an enamel sintering furnace" disclosed in the application number "CN202021439395.2" "comprises a furnace body and a furnace door arranged on the side wall of the furnace body, and a horizontal motor is installed at the upper end of the furnace body. The rotating shaft of the motor is fixedly connected to a horizontally arranged convolution shaft, and a steel cable is fixedly connected between the convolution shaft and the furnace door". In this utility model, a motor is arranged at the top of the furnace body to lift and lower the furnace door in the vertical direction, so that opening and closing the furnace body can avoid the furnace door occupying extra space when it is opened.

[0004] However, the above method still has the following defects: the furnace door is opened and closed by lifting, but the lifting method used in this process can only realize the lifting or lowering operation of the furnace door, and the workpiece inside the furnace body cannot be loaded and unloaded by lifting, resulting in additional operations required for the workpiece, affecting the enameling progress of the workpiece. Utility Model Content

[0005] The purpose of the utility model is to provide an electric furnace for processing enameled steel pipes, so as to solve the problem that the existing lifting method can only realize the lifting or lowering operation of the furnace door, and cannot use the lifting method to perform material loading and unloading operations on the workpieces inside the furnace body, resulting in the need for additional operations to operate the workpieces, affecting the enameling progress of the workpieces.

[0006] Base comprises support, castor, and frame upper is provided with guide rail, and support and conveyer frames movable end contact site are provided with recoil spring or rubber cushion, and castor is arranged on the pin of base bottom four, to carry mobile handler location.

[0007] As a preferred technical solution of the present invention, a forward and reverse motor is provided on the top of the fixing frame, and a transmission shaft of the forward and reverse motor passes through the fixing frame and is fixedly connected to the top end of the screw rod.

[0008] As a preferred technical solution of the present invention, an electric push rod is provided on one side of the top end of the support, a rack plate is provided at the telescopic end of the electric push rod, and the gear is meshed and connected with the rack plate.

[0009] As a preferred technical solution of the present invention, a transverse plate is provided on the top of the support, a guide block is provided on the bottom of the rack plate, and a guide groove matching the guide block is provided on the top of the transverse plate.

[0010] As a preferred technical solution of the present invention, a slider is provided on one side of the movable plate, and a sliding groove matching the slider is provided on the inner wall of the fixed frame.

[0011] As a preferred technical solution of the present invention, a mounting base is provided at the bottom of the furnace body, and a supporting leg is provided at the bottom of the base.

[0012] As a preferred technical solution of the present invention, an inclined reinforcement plate is provided at the bottom of the furnace body, and the bottom of the inclined reinforcement plate is fixedly connected to the top of the mounting base.

[0013] Compared with the related art, the electric furnace for processing enameled steel pipes provided by the present invention has the following beneficial effects:

[0014] The beneficial effects of the utility model are as follows: by cooperating with the forward and reverse motor, the lead screw, the slider and the lead screw nut, the movable plate is made to move vertically along the direction of the lead screw, and cooperates with the furnace cover in the lifting assembly, thereby facilitating the lifting of the furnace cover and the hooks, turntable and cylindrical box provided at the bottom of the furnace cover. The provided hooks can facilitate the hanging and enameling operation of steel pipes with openings, and the provided cylindrical box facilitates the enameling operation of steel parts. Not only can the furnace cover be lifted or lowered for sealing, but also the workpieces at the bottom of the furnace cover can be loaded and unloaded, which can reduce additional operations for enameling steel pipes or other steel parts, thereby improving the enameling progress of steel pipes and other workpieces.

[0015] Secondly, through the transformation components, the electric push rod pushes the rack plate to move, and cooperates with the gears, pillars and rotating columns to facilitate the steering operation of the fixed frame and the workpiece after discharge, so as to facilitate the operation of the steel pipe and other workpieces in the next workstation, which is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the exploded structure of the fixing frame of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the lifting component of the utility model;

[0019] Figure 4 This is a schematic diagram of the exploded structure of the steering assembly of the present invention.

[0020] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure.

[0021] In the figure: 1. Furnace body; 2. Fixed frame; 3. Screw; 4. Moving plate; 5. Lifting assembly; 501. Furnace cover; 502. Reducer motor; 503. Rotating rod; 504. Turntable; 505. Hook; 506. Cylindrical box; 6. Support block; 7. Support; 8. Steering assembly; 801. Pillar; 802. Gear; 803. Rotating column; 804. Electric push rod; 805. Rack plate; 9. Horizontal plate; 10. Guide block; 11. Base; 12. Support leg; 13. Tilt reinforcement plate; 14. Slider; 15. Forward and reverse motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0023] See also Figure 1-5 The utility model provides an electric furnace for processing enameled steel pipes, comprising a furnace body 1, a fixed frame 2 being provided on one side of the furnace body 1, a screw rod 3 being rotatably connected to the interior of the fixed frame 2, a movable plate 4 being threadedly connected to the surface of the screw rod 3 via a screw nut, a lifting assembly 5 being provided at the bottom of the movable plate 4, a supporting block 6 being provided in the middle of one side of the furnace body 1, a support 7 being provided on one side of the supporting block 6, and a steering assembly 8 being provided on the top of the support 7;

[0024] The lifting assembly 5 includes a furnace cover 501, which is installed on one side of the bottom end of the moving plate 4. A reduction motor 502 is provided on the top of the furnace cover 501. The transmission shaft of the reduction motor 502 passes through the furnace cover 501 and is fixedly connected to a turntable 504 provided at the bottom of the furnace cover 501. A hook 505 is provided on the surface of the turntable 504. There are several hooks 505. A rotating rod 503 is provided in the middle of the bottom end of the turntable 504. A cylindrical box 506 is provided at the bottom of the rotating rod 503. By setting the forward and reverse rotation of the screw rod 3 Rotation, in conjunction with the screw nut and the slider 14, causes the movable plate 4 to move in the vertical direction, thereby driving the furnace cover 501, the turntable 504, the hook 505 and the cylindrical box 506 to move in the vertical direction, and performing enameling operations on the steel pipes used for hanging at the hook 505 and the steel parts inside the cylindrical box 506. It can not only lift or lower the furnace cover 501, but also perform loading and unloading operations on the workpieces inside the furnace body 1, thereby improving the enameling progress of the workpieces and improving work efficiency.

[0025] A forward and reverse motor 15 is provided on the top of the fixed frame 2. The drive shaft of the forward and reverse motor 15 passes through the fixed frame 2 and is fixedly connected to the top of the screw rod 3. The forward and reverse motor 15 drives the screw rod 3 to rotate forward and reverse, thereby lifting or lowering the movable plate 4 and the furnace cover 501.

[0026] A slider 14 is provided on one side of the movable plate 4 , and a sliding groove matching the slider 14 is provided on the inner wall of the fixed frame 2 . The slider 14 provided on the movable plate 4 can play a role in sliding limiting the movement of the movable plate 4 . Example

[0027] The steering assembly 8 includes a pillar 801, a gear 802 is provided on the top of the pillar 801, a rotating column 803 is provided on the top of the gear 802, and the bottom end of the fixed frame 2 is fixedly connected to the top of the rotating column 803. Through the pillar 801, the gear 802 and the rotating column 803, the fixed frame 2 can be rotatably connected to the top of the support 7, making it convenient to perform steering operations on it.

[0028] An electric push rod 804 is provided on one side of the top of the support 7. The telescopic end of the electric push rod 804 is provided with a rack plate 805. The gear 802 is meshed and connected with the rack plate 805. The electric push rod 804 is provided and the telescopic end of the electric push rod 804 is extended and retracted to drive the rack plate 805 to move. Since the rack plate 805 is meshed and connected with the gear 802, the gear 802 is driven to be selected, thereby driving the fixed frame 2 to perform a steering operation, which is convenient for steering the steel pipe and other workpieces arranged inside the furnace body 1, and is convenient for coordinated use at other workstations.

[0029] A transverse plate 9 is provided on the top of the support 7, and a guide block 10 is provided on the bottom of the rack plate 805. A guide groove matching the guide block 10 is provided on the top of the transverse plate 9 to limit and guide the movement of the guide rack plate 805, making it more stable during movement.

[0030] The bottom of the furnace body 1 is provided with a mounting base 11, and the bottom of the base 11 is provided with a supporting leg 12, which is convenient for supporting and fixing the electric furnace and convenient for moving the electric furnace with a forklift, making it more flexible to use;

[0031] An inclined reinforcement plate 13 is provided at the bottom of the furnace body 1, and the bottom of the inclined reinforcement plate 13 is fixedly connected to the top of the mounting base 11. The inclined reinforcement plate 13 is provided to facilitate reinforcement between the furnace body 1 and the mounting base 11, thereby improving the stability of the furnace body 1 itself.

[0032] When in use, first place the electric furnace equipment at a suitable working location, then control the forward and reverse motor 15 to drive the screw 3 to rotate, and with the cooperation of the screw nut and the slider 14, the movable plate 4 and the furnace cover 501 and the hook 505, turntable 504 and cylindrical box 506 set at the bottom of the furnace cover 501 are lifted. After the lifting is completed, the steering component 8 is used to control the electric push rod 804 to push the rack plate 805 to move, and with the gear 802, the support 801 and the rotating column 803 are used to make the fixed frame 2 perform the steering operation, and then the steel pipe with an opening that needs to be enameled and is hung on the surface of the hook 505, and then the steel part is placed inside the cylindrical box 506, and the process is repeated. In the above steps, the electric push rod 804 is controlled to operate in reverse, and the forward and reverse motor 15 of the controller is also operated in reverse at the same time, so that the steel pipe and other steel parts at the bottom of the furnace cover 501 are returned to the inside of the furnace body 1 until the furnace cover 501 and the furnace body 1 are locked and sealed with each other. Then, the workpiece can be enameled by setting the heating mechanism set inside the furnace body 1. During use, the reduction motor 502 can also be controlled to drive the turntable 504 to rotate at a constant speed, thereby driving the steel pipe to rotate slowly, so that the surface of the steel pipe is evenly heated, thereby improving the enameling effect of the steel pipe. After the enameling is completed, the above steps are repeated to lift the workpiece and use the steering assembly 8 to move the enameled workpiece to the next operating station.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric furnace for processing enameled steel pipes, comprising a furnace body (1), characterized in that: A fixing frame (2) is provided on one side of the furnace body (1), a screw rod (3) is rotatably connected inside the fixing frame (2), a movable plate (4) is threadedly connected to the surface of the screw rod (3) via a screw nut, a lifting assembly (5) is provided at the bottom of the movable plate (4), a support block (6) is provided in the middle of one side of the furnace body (1), a support seat (7) is provided on one side of the support block (6), and a steering assembly (8) is provided on the top of the support seat (7); The lifting assembly (5) comprises a furnace cover (501), wherein the furnace cover (501) is mounted on one side of the bottom end of the moving plate (4), a reduction motor (502) is provided on the top of the furnace cover (501), a transmission shaft of the reduction motor (502) passes through the furnace cover (501) and is fixedly connected to a turntable (504) provided at the bottom of the furnace cover (501), a hook (505) is provided on the surface of the turntable (504), a rotating rod (503) is provided in the middle of the bottom end of the turntable (504), and a cylindrical box (506) is provided at the bottom of the rotating rod (503); The steering assembly (8) comprises a pillar (801), a gear (802) is provided on the top of the pillar (801), a rotating column (803) is provided on the top of the gear (802), and the bottom end of the fixing frame (2) is fixedly connected to the top end of the rotating column (803).

2. The electric furnace for processing enameled steel pipes according to claim 1, characterized in that: A forward and reverse motor (15) is provided on the top of the fixing frame (2); a transmission shaft of the forward and reverse motor (15) passes through the fixing frame (2) and is fixedly connected to the top end of the screw rod (3).

3. The electric furnace for processing enameled steel pipes according to claim 1, characterized in that: An electric push rod (804) is provided on one side of the top end of the support (7), a rack plate (805) is provided at the telescopic end of the electric push rod (804), and the gear (802) is meshingly connected with the rack plate (805).

4. The electric furnace for processing enameled steel pipes according to claim 3, characterized in that: A transverse plate (9) is provided on the top of the support (7), a guide block (10) is provided on the bottom of the rack plate (805), and a guide groove matching the guide block (10) is provided on the top of the transverse plate (9).

5. The electric furnace for processing enameled steel pipes according to claim 1, characterized in that: A sliding block (14) is provided on one side of the movable plate (4), and a sliding groove matching the sliding block (14) is provided on the inner wall of the fixed frame (2).

6. The electric furnace for processing enameled steel pipes according to claim 1, characterized in that: A mounting base (11) is provided at the bottom of the furnace body (1), and a supporting leg (12) is provided at the bottom of the base (11).

7. The electric furnace for processing enameled steel pipes according to claim 6, characterized in that: An inclined reinforcement plate (13) is provided at the bottom of the furnace body (1), and the bottom of the inclined reinforcement plate (13) is fixedly connected to the top of the mounting base (11).

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