Release agent spraying device of disc casting machine

Abstract

The utility model relates to a release agent spraying device of a disc casting machine, and belongs to the technical field of release agent spraying. Comprising a casting disc, mold cavities are evenly formed in the casting disc at intervals in the circumferential direction of the casting disc, and a wet release agent spraying pipe and a dry release agent spraying pipe are arranged above the casting disc; the wet release agent spraying pipe is connected with the output end of the first supply pump through a pipeline, and the input end of the first supply pump is connected with the mixing device through a pipeline; a dry release agent storage bin is arranged above the dry release agent spraying pipe, and an electromagnetic valve is arranged on the dry release agent spraying pipe; a layer of wet release agent is sprayed in the mold cavity firstly, then a layer of dry release agent is sprayed, part of water in the wet release agent is absorbed through the dry release agent so as to reduce the flowability of the release agent, in addition, the dry release agent forms an interlayer above the wet release agent, the wet release agent is effectively prevented from being washed away in the molten copper injection process, and the molten copper injection quality is improved. And the demoulding process is effectively ensured to be smoothly carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to a release agent spraying technical field, especially a disc casting machine release agent spraying device. BACKGROUND

[0002] The disc casting machine is the equipment that smelting factory is used for continuous quantitative casting, generally by pouring disc and its drive system, quantitative casting device, spray cooling system, pre-lifting and lifting device, locking device, extraction machine, cooling stacking device, coating system etc.

[0003] The existing coating system mainly includes the mixing device for mixing the release agent and water uniformly, the conveying pump and the spray head, when using, the release agent and water are mixed uniformly by the mixing device, then are conveyed to the spray head by the conveying pump, and are sprayed to the mold cavity of the pouring disc by the spray head, so as to facilitate the demolding of the copper plate after pouring.

[0004] However, the sprayed release agent is wet release agent, in the copper water pouring process, the wet release agent is heated rapidly, the water in the wet release agent evaporates to generate steam, the flowability of the wet release agent increases, so that the release agent in the copper water injection area is washed away, which causes the lack of release agent at the position, and the subsequent demolding process cannot be carried out smoothly. UTILITY MODEL CONTENTS

[0005] In order to solve or partially solve the problems in the related art, the utility model provides a disc casting machine release agent spraying device, which aims to solve the technical problem that the release agent in the copper water injection area is washed away.

[0006] The disc casting machine release agent spraying device comprises a pouring disc, a plurality of mold cavities are uniformly and interval arranged on the pouring disc around the circumferential direction of the pouring disc, a wet release agent spraying pipe and a dry release agent spraying pipe are arranged above the pouring disc, the wet release agent spraying pipe and the dry release agent spraying pipe are respectively arranged corresponding to two adjacent mold cavities.

[0007] The wet release agent spraying pipe is connected with the output end of a first supply pump through a pipeline, and the input end of the first supply pump is connected with a mixing device through a pipeline.

[0008] A dry release agent storage bin is arranged above the dry release agent spraying pipe, and an electromagnetic valve is arranged on the dry release agent spraying pipe.

[0009] An electric telescopic rod is vertically arranged on the side of the dry release agent spraying pipe, a motor is arranged at the lower end of the electric telescopic rod, and a horizontal arrangement flat plate is arranged on the output shaft of the motor.

[0010] Optionally, in some schemes, at least two dry release agent spraying pipes are uniformly and interval arranged around the electric telescopic rod.

[0011] Optionally, in some schemes, the outer periphery of the dry-release agent spraying pipe is provided with a dust collection hood, the top of the dust collection hood is connected with the air inlet of a fan through a pipeline, and the air outlet of the fan is connected with a cyclone separator through a pipeline.

[0012] Optionally, in some schemes, the bottom of the dust collection hood is provided with a flexible dustproof strip.

[0013] Optionally, in some schemes, the lower end of the wet-release agent spraying pipe is provided with a spray head.

[0014] Optionally, in some schemes, the working surface of the trowel plate forms an angle of 30-45 degrees with the horizontal plane.

[0015] The technical scheme provided by the utility model can have the following beneficial effects:

[0016] The application first sprays a layer of wet-release agent in the mold cavity, then sprays a layer of dry-release agent, absorbs part of the water in the wet-release agent by the dry-release agent, reduces the flowability of the release agent, and further forms a separation layer above the wet-release agent, effectively avoids the wet-release agent from being washed away during the copper water injection process, and effectively ensures the smooth progress of the release process.

[0017] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and other objects, features and advantages of the utility model will become more apparent from the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings, in which like reference characters commonly refer to the same or similar components throughout the drawings.

[0019] Figure 1 is a structural schematic view of the release agent spraying device shown in the utility model embodiment;

[0020] Figure 2 is a mixing device and wet-release agent spraying pipe connecting pipeline schematic view of the release agent spraying device shown in the utility model embodiment;

[0021] Figure 3 is a dust collection hood mounting structure schematic view of the release agent spraying device shown in the utility model embodiment;

[0022] Reference signs:

[0023] 1, casting disc; 2, mold cavity; 3, wet release agent spraying pipe; 4, dry release agent spraying pipe; 5, first supply pump; 6, mixing device; 7, dry release agent storage bin; 8, electromagnetic valve; 9, electric telescopic rod; 10, motor; 11, trowel plate; 12, dust collection hood; 13, fan; 14, cyclone separator; 15, dustproof strip; 16, spray head. DETAILED DESCRIPTION

[0024] The utility model will be described in further detail below in combination with the drawings and specific embodiments, but the protection scope of the utility model is not limited to the content.

[0025] Please refer to Figure 1 , Figure 2 and Figure 3 , the application provides a disc casting machine release agent spraying device, including casting disc 1, the casting disc 1 is uniformly spaced around its circumferential direction and is provided with mold cavity 2, the speed of the casting disc 1 is raised to the maximum value according to a smooth curve when starting, after running for a period of time, again according to a smooth curve, slow sliding after a period of time, stop, continuously reciprocating, when stopping, the disc casting machine carries out the spraying of release agent, the casting of copper water, demolding and other operations;The disc casting machine rotates in a rotation cycle, the radian of rotation is equal to the included angle between two adjacent mold cavities 2, so that continuous operation is realized.

[0026] The upper portion of the casting disc 1 is provided with a rack, the rack is provided with a wet release agent spraying pipe 3 and a dry release agent spraying pipe 4, the wet release agent spraying pipe 3 and the dry release agent spraying pipe 4 are respectively arranged corresponding to two adjacent mold cavities 2, that is, the included angle between the dry release agent spraying pipe 4 and the wet release agent spraying pipe 3 is equal to the included angle between two adjacent mold cavities 2, and the wet release agent spraying pipe 3 and the dry release agent spraying pipe 4 are sequentially arranged along the rotation direction of the casting disc 1;The wet release agent spraying pipe 3 is connected with the output end of the first supply pump 5 through a pipeline, and the input end of the first supply pump 5 is connected with the mixing device 6 through a pipeline;The upper portion of the dry release agent spraying pipe 4 is provided with a dry release agent storage bin 7, and the dry release agent spraying pipe 4 is provided with an electromagnetic valve 8.

[0027] The mixing device 6 is filled with the release agent and water, and the mixing device 6 is provided with stirring blades for stirring and mixing the release agent and water uniformly to obtain wet release agent; the dry release agent storage bin 7 is filled with dry release agent (i.e. release agent dry powder); when the release agent spraying operation is performed, in a shutdown period of a casting disc 1, the first supply pump 5 draws the wet release agent (the mixture of the release agent and water) from the mixing device 6, then introduces the wet release agent into the wet release agent spraying pipe 3, and sprays the wet release agent into the mold cavity 2 through the wet release agent spraying pipe 3, then the casting disc 1 continues to rotate, and in the next shutdown period of the casting disc 1, the mold cavity 2, which has been sprayed with the wet release agent, rotates to be directly below the dry release agent spraying pipe 4, the electromagnetic valve 8 is opened, and the dry release agent is sprayed onto the mold cavity 2 through the dry release agent spraying pipe 4, so that a layer of dry release agent is sprayed on the wet release agent, effectively improving the spraying thickness of the release agent, at the same time, the dry release agent is attached to the wet release agent, and the dry release agent is not easy to be washed away in the process of copper water flowing, at the same time, the spraying of the dry release agent absorbs part of the water in the wet release agent, reduces the flowability of the wet release agent, and the wet release agent is also not easy to be washed away due to the insulation of the dry release agent, effectively ensuring the smooth progress of the release process.

[0028] In the embodiment, the dry release agent spraying pipe 4 is vertically installed on the side of the electric telescopic rod 9, the lower end of the electric telescopic rod 9 is provided with the motor 10, and the output shaft of the motor 10 is provided with the horizontally arranged trowel plate 11; after the dry release agent is sprayed into the mold cavity 2, the electric telescopic rod 9 is actuated to drive the trowel plate 11 to move downward until the trowel plate 11 is attached to the bottom surface of the mold cavity 2, then the electric telescopic rod 9 is actuated to drive the trowel plate 11 to rotate, so that the dry release agent is uniformly laid in the mold cavity 2, and the dry release agent is pressed to firmly adhere to the wet release agent, further avoiding the problem that the dry release agent is washed away when the copper water is introduced.

[0029] In some specific embodiments, at least two dry release agent spraying pipes 4 are uniformly and spacedly arranged around the electric telescopic rod 9 to expand the spraying range of the dry release agent and improve the uniformity of the dry release agent spraying.

[0030] In the embodiment, the periphery of all the dry release agent spraying pipes 4 is provided with the dust collection cover 12, the top of the dust collection cover 12 is connected with the air inlet of the fan 13 through a pipeline, and the air outlet of the fan 13 is connected with the cyclone separator 14 through a pipeline; when working, the fan 13 is electrified and rotated to inhale air from the dust collection cover 12, then introduce the air into the cyclone separator 14 for separation, so that the dust generated in the process of spraying the dry release agent is effectively sucked away and then introduced into the cyclone separator 14 for recycling, effectively reducing the environmental pollution caused by the spraying of the dry release agent and reducing the waste of the release agent.

[0031] In the embodiment, the bottom of the dust cover 12 is provided with flexible dustproof strips 15, the dustproof strips 15 are arranged around the dust cover 12, and adjacent dustproof strips 15 are overlapped with each other to form a complete dustproof surface, the bottom of the dust cover 12 is effectively extended into the mold cavity 2 through the dustproof strips 15, and the outward diffusion of the release agent from the gap between the dust cover 12 and the mold cavity 2 is effectively avoided, and meanwhile, since the dustproof strips 15 are flexible, the operation of the pouring disc is not affected.

[0032] In the embodiment, the working surface of the smoothing plate 11 forms an angle of 30-45 degrees with the horizontal plane, in this way, when the smoothing plate 11 rotates, a downward pressure is generated on the dry release agent, and the dry release agent can be effectively pressed on the wet release agent.

[0033] In some specific embodiments, the lower end of the wet release agent spraying pipe 3 is provided with a spray head 16, the spraying range of the wet release agent is effectively expanded through the spray head 16, and it is ensured that the wet release agent can be sprayed on a larger area in the mold cavity 2.

[0034] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical application or improvement of the technology in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A mold release agent spraying device for a disc casting machine, comprising a casting disc (1), wherein mold cavities (2) are evenly spaced around the circumference of the casting disc (1), characterized in that: The casting disc (1) is provided with a wet release agent spray pipe (3) and a dry release agent spray pipe (4) above it. The wet release agent spray pipe (3) and the dry release agent spray pipe (4) are respectively provided with two adjacent mold cavities (2). The wet release agent spray pipe (3) is connected to the output end of the first supply pump (5) through a pipe, and the input end of the first supply pump (5) is connected to the mixing device (6) through a pipe. A dry release agent storage chamber (7) is provided above the dry release agent spraying pipe (4), and a solenoid valve (8) is provided on the dry release agent spraying pipe (4); An electric telescopic rod (9) is vertically installed on the side of the dry release agent spray pipe (4). A motor (10) is provided at the lower end of the electric telescopic rod (9). A horizontally arranged smearing plate (11) is provided on the output shaft of the motor (10).

2. The mold release agent spraying device for a disc casting machine according to claim 1, characterized in that: The dry release agent spray pipe (4) is arranged in at least two evenly spaced sections around the electric telescopic rod (9).

3. The mold release agent spraying device for a disc casting machine according to claim 2, characterized in that: All the dry release agent spray pipes (4) are covered with dust collection hoods (12). The top of the dust collection hoods (12) is connected to the air inlet of the fan (13) through a pipe. The air outlet of the fan (13) is connected to the cyclone separator (14) through a pipe.

4. The mold release agent spraying device for a disc casting machine according to claim 3, characterized in that: The bottom of the dust collection hood (12) is provided with a flexible dustproof strip (15).

5. The mold release agent spraying device for a disc casting machine according to claim 1, characterized in that: The lower end of the wet release agent spray pipe (3) is provided with a nozzle (16).

6. The mold release agent spraying device for a disc casting machine according to claim 1, characterized in that: The working surface of the trowel (11) is at an angle of 30 to 45 degrees to the horizontal plane.

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