Furnace cover driving device of quenching and tempering furnace

Abstract

The utility model relates to a furnace cover driving device of a quenching and tempering furnace, and belongs to the technical field of quenching and tempering furnaces. The movable frame is in sliding fit with the guide rails, meanwhile, the traction mechanism and the guide rods are cooperatively used, the integrated mechanical operation of lifting, translation and descending of the furnace cover is achieved, compared with a traditional manual moving or crane hoisting mode, the opening and closing speed of the furnace cover is increased, and therefore the workpiece processing efficiency is improved, and the furnace cover lifting device is suitable for large-scale popularization and application. The device is small in size, low in requirement for the field range and convenient to use in the operation area with the limited field, and the use cost is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to quenching and tempering furnace technical field, concretely relates to a quenching and tempering furnace cover drive device. BACKGROUND

[0002] Quenching and tempering are the common processes in the metal heat treatment process, and the quenching and tempering furnace as the key equipment in the metal heat treatment process can improve the performance of metal materials. In the process, the furnace cover can seal and protect the gas in the furnace, and the opening and closing operation of the furnace cover directly affects the furnace temperature control, workpiece processing efficiency and energy consumption.

[0003] The opening and closing operation of the furnace cover of the traditional quenching and tempering furnace mainly relies on manual movement, and since the furnace cover is large in size and heavy in weight, the manual opening and closing method not only needs to consume a large amount of manpower, increases the labor intensity of workers, but also is low in efficiency; the opening and closing of the furnace cover of the existing quenching and tempering furnace mainly uses a crane for hoisting, which can solve the problem of manpower, but the crane is large in size and heavy in weight, has high requirements for the site range, and is inconvenient to operate when used in the operation area with limited site, thereby increasing the use cost. UTILITY MODEL CONTENTS

[0004] In order to overcome the problems in the background art that the opening and closing operation of the furnace cover of the traditional quenching and tempering furnace relies on manual movement, needs to consume a large amount of manpower, increases the labor intensity of workers, and is low in efficiency; and the hoisting method using a crane is large in size and heavy in weight, has high requirements for the site range, and is inconvenient to operate when used in the operation area with limited site, thereby increasing the use cost, the utility model provides a quenching and tempering furnace cover drive device; through the sliding cooperation of the moving frame and the guide rail, and through the cooperative use of the traction mechanism and the guide rod, the integrated mechanical operation of the lifting, translation and lowering of the furnace cover is realized, compared with the traditional manual movement or crane hoisting method, the opening and closing speed of the furnace cover is improved, thereby improving the processing efficiency of the workpiece, and the device is small in size, has low requirements for the site range, is convenient to use in the operation area with limited site, and effectively reduces the use cost.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a quenching and tempering furnace cover drive device mainly includes a guide rail, a moving frame, a traction mechanism, a guide rod and a support table, the bottom of the moving frame is provided with moving wheels and a motor for driving the rolling of the moving wheels, the moving wheels are rolling installed on the guide rail, the output shaft of the motor is in transmission connection with the wheel shaft of the moving wheels through a chain transmission mechanism, the horizontal beams and vertical beams of the moving frame are vertically slidingly installed with guide rods with equal spacing, the bottom ends of the guide rods penetrate through the guide holes in the horizontal beams and vertical beams and are fixedly connected with the top of the furnace cover, the support tables are installed on the front and rear sides of the moving frame, and the traction mechanism for lifting or lowering the furnace cover is installed on the support tables.

[0006] The traction mechanism comprises an electric hydraulic cylinder, a first support base, a first chain wheel, a second chain wheel, a first chain, a connecting plate, a second support base and a second chain, two groups of the first support base and the second support base are installed on the longitudinal beam of the moving frame, two coaxial first chain wheels are installed on the first support base, a second chain wheel is installed on the second support base, the end surface of the second chain wheel is coplanar with one of the first chain wheels, the electric hydraulic cylinder is installed on the support table, the connecting plate is longitudinally installed on the end of the piston rod of the electric hydraulic cylinder, one end of the first chain is connected with the top of the furnace cover, the other end of the first chain is wound around the first chain wheel and connected with the connecting plate, one end of the second chain is connected with the top of the furnace cover, and the other end of the second chain is wound around the first chain wheel and the second chain wheel and connected with the connecting plate.

[0007] The moving frame is provided with a plurality of reinforcing ribs in a tilt manner.

[0008] The beneficial effects of the present application are as follows:

[0009] The present application realizes the integrated mechanical operation of lifting, translating and lowering of the furnace cover by the cooperation of the moving frame and the guide rail and the cooperation of the traction mechanism and the guide rod, and compared with the traditional manual moving or crane lifting mode, the opening and closing speed of the furnace cover is improved, thereby improving the processing efficiency of the workpiece, and the device has a small size and low requirement on the site range, is convenient to use in the operation area with limited site, and effectively reduces the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a three-dimensional schematic view of the furnace cover lifting state.

[0011] Figure 2 is a three-dimensional schematic view of the present application.

[0012] Figure 3 is Figure 2 the local enlarged view of A in the figure.

[0013] Figure 4 is Figure 2 the local enlarged view of B in the figure.

[0014] Figure 5 is Figure 2 the local enlarged view of C in the figure. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and beneficial effects of the present application more clear, the preferred embodiments of the present application will be described in detail below with reference to the drawings, so as to facilitate the understanding of the technical personnel.

[0016] The utility model discloses a quenching and tempering furnace cover drive arrangement, one kind is mainly including guide rail 1, moving frame 2, traction mechanism 3, guide rod 4, support platform 5 of quenching and tempering furnace cover drive arrangement, the moving frame 2 bottom is equipped with mobile wheel 203 and is used for driving its rolling motor 204, and mobile wheel 203 is rollingly installed on guide rail 1, and the output shaft of motor 204 is connected in drive with the axle of mobile wheel 203 through chain drive mechanism, and the crossbeam 201 and the longitudinal beam 202 of moving frame 2 are vertically slidably installed with the guide rod 4 of equal spacing, and the bottom end of guide rod 4 penetrates the guide hole of the crossbeam 201 and the longitudinal beam 202 and is fixedly connected with the top of furnace cover, and the front and rear sides of moving frame 2 are equipped with support platform 5, and the support platform 5 is equipped with the traction mechanism 3 for pulling furnace cover to lift or drop, and the traction mechanism 3 includes electric hydraulic cylinder 301, first support seat 302, first sprocket 303, second sprocket 304, first chain 305, connecting plate 306, second support seat 307, second chain 308, and the longitudinal beam 202 of moving frame 2 is equipped with two groups of first support seat 302 and second support seat 307, and two coaxial first sprockets 303 are installed on first support seat 302, and one second sprocket 304 is installed on second support seat 307, and the end surface of second sprocket 304 is coplanar with one of first sprocket 303, and electric hydraulic cylinder 301 is installed on support platform 5, and the piston rod end portion of electric hydraulic cylinder 301 is longitudinally installed with connecting plate 306, one end of first chain 305 is connected with the top of furnace cover, and the other end is wound on first sprocket 303 and is connected with connecting plate 306, one end of second chain 308 is connected with the top of furnace cover, and the other end is wound on first sprocket 303 and second sprocket 304 and is connected with connecting plate 306.

[0017] The quenching and tempering furnace is installed on the ground through the support frame, the guide rail 1 is installed on the support table at the top of the support frame and is located at both sides of the quenching and tempering furnace. When the quenching and tempering furnace is in quenching and tempering operation, the furnace cover 6 is in sealing connection with the top of the furnace body, at this time, the piston rod of the electric hydraulic cylinder 301 is in the extended state. When it is needed to open the furnace cover 6, the electric hydraulic cylinder 301 is started, the piston rod drives the connecting plate 306 to retract, at this time, the first chain 305 and the second chain 308 fixedly connected with the connecting plate 306 are synchronously pulled, the first chain 305 rotates around the first sprocket 303 to form a vertical pulling force, the second chain 308 rotates around the first sprocket 303 and the second sprocket 304 in turn to lift the furnace cover 6 upwards, the first chain 305 and the second chain 308 convert the pulling force into the vertical lifting action of the furnace cover through the vertical sliding constraint of the guide rod 4, the guide rod 4 can prevent the furnace cover 6 from shaking and deviating during the lifting and translation process, and the tilting collision risk generated by the traditional hoisting is avoided; when the furnace cover 6 is lifted to the set height, the motor 204 is started, the motor 204 drives the moving wheel 203 to move along the guide rail 1, so as to drive the furnace cover 6 to move horizontally, when the furnace cover 6 is completely opened, the electric hydraulic cylinder 301 stops working, and the furnace cover 6 stays at the specified position. When it is needed to close the furnace cover 6, the motor 204 drives the moving wheel 203 to rotate reversely, so that the moving frame 2 moves reversely along the guide rail 1, thereby driving the furnace cover 6 to move to the top of the furnace body, then, the electric hydraulic cylinder 301 is started, the connecting plate 306 is moved through the piston rod, and the first chain 305 and the second chain 308 are further driven to move reversely, at this time, the furnace cover 6 moves downwards to the furnace body under the action of gravity, when the furnace cover 6 is completely closed, the furnace cover 6 is fixed on the quenching and tempering furnace through the bolts. The integrated mechanical operation of lifting, translation and lowering of the furnace cover is realized, compared with the traditional manual moving or the way of hoisting by the crane, the opening and closing speed of the furnace cover is improved, so that the processing efficiency of the workpiece is improved, and the device has small size and low requirement on the site range, so that the device is convenient to use in the operation area with limited site, and the use cost is effectively reduced.

[0018] The moving frame 2 is provided with a plurality of reinforcing ribs 205

[0019] Working process:

[0020] When the quenching and tempering furnace is in quenching and tempering operation, the furnace cover 6 is sealingly connected with the top of the furnace body, at this time, the piston rod of the electric hydraulic cylinder 301 is in the extended state. When it is necessary to open the furnace cover 6, the electric hydraulic cylinder 301 is started, and the piston rod drives the connecting plate 306 to retract, at this time, the first chain 305 and the second chain 308 fixedly connected with the connecting plate 306 are synchronously pulled, the first chain 305 rotates around the first sprocket 303 to form a vertical pulling force, and the second chain 308 rotates around the first sprocket 303 and the second sprocket 304 in turn to lift the furnace cover 6 upward, the first chain 305 and the second chain 308 convert the pulling force into the vertical lifting action of the furnace cover through the vertical sliding constraint of the guide rod 4, the guide rod 4 can prevent the furnace cover 6 from shaking and deviating during the lifting and translation process, and the risk of inclination and collision generated by the traditional lifting is avoided; when the furnace cover 6 is lifted to the set height, the motor 204 is started, the motor 204 drives the moving wheel 203 to move along the guide rail 1, so as to drive the furnace cover 6 to move horizontally, when the furnace cover 6 is completely opened, the electric hydraulic cylinder 301 stops working, and the furnace cover 6 stays at the specified position. When it is necessary to close the furnace cover 6, the motor 204 is driven to reversely rotate the moving wheel 203, so that the moving frame 2 moves reversely along the guide rail 1, thereby driving the furnace cover 6 to move above the furnace body, then, the electric hydraulic cylinder 301 is started, the connecting plate 306 is moved by the piston rod to further drive the first chain 305 and the second chain 308 to move reversely, at this time, the furnace cover 6 is moved downward to the furnace body under the action of gravity, and when the furnace cover 6 is completely closed, the furnace cover 6 is fixed on the quenching and tempering furnace through bolts. The utility model realizes the integrated mechanical operation of lifting, translation and lowering of the furnace cover, compared with the traditional manual moving or crane lifting mode, the opening and closing speed of the furnace cover is improved, so that the processing efficiency of the workpiece is improved, and the device has small size and low requirement on the site range, so that it is convenient to use in the operation area with limited site, and the use cost is effectively reduced.

[0021] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the range defined by the claims of the utility model.

Claims

1. A furnace lid driving device for a quenching and tempering furnace, characterized in that: The furnace cover driving device of the quenching and tempering furnace includes a guide rail (1), a moving frame (2), a traction mechanism (3), a guide rod (4), and a support platform (5). The bottom of the moving frame (2) is equipped with a moving wheel (203) and a motor (204) for driving its rolling. The moving wheel (203) is rolled on the guide rail (1). The output shaft of the motor (204) is connected to the wheel axle of the moving wheel (203) through a chain transmission mechanism. The crossbeam (201) and longitudinal beam (202) of the moving frame (2) are vertically slidably equipped with guide rods (4) with equal spacing. The bottom end of the guide rod (4) passes through the guide hole opened on the crossbeam (201) and longitudinal beam (202) and is fixedly connected to the top of the furnace cover. The front and rear sides of the moving frame (2) are equipped with support platforms (5). The support platforms (5) are equipped with a traction mechanism (3) for pulling the furnace cover up or down.

2. The furnace cover driving device for quenching and tempering furnace as described in claim 1, characterized in that: The traction mechanism (3) includes an electric hydraulic cylinder (301), a first support base (302), a first sprocket (303), a second sprocket (304), a first chain (305), a connecting plate (306), a second support base (307), and a second chain (308). Two sets of first support bases (302) and second support bases (307) are installed on the longitudinal beam (202) of the moving frame (2). Two coaxial first sprockets (303) are installed on the first support base (302), and one second sprocket (308) is installed on the second support base (307). 4), and the end face of the second sprocket (304) is coplanar with one of the first sprockets (303). The electric hydraulic cylinder (301) is mounted on the support platform (5). The piston rod end of the electric hydraulic cylinder (301) is longitudinally mounted with a connecting plate (306). One end of the first chain (305) is connected to the top of the furnace cover, and the other end is wrapped around the first sprocket (303) and connected to the connecting plate (306). One end of the second chain (308) is connected to the top of the furnace cover, and the other end is wrapped around the first sprocket (303) and the second sprocket (304) and connected to the connecting plate (306).

3. A furnace cover driving device for quenching and tempering furnaces as described in claim 1 or 2, characterized in that: The movable frame (2) is provided with multiple reinforcing ribs (205) at an angle.

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