Automatic feeding device for precoated sand production

Abstract

The utility model discloses an automatic feeding device for precoated sand production, which relates to the field of precoated sand production and comprises a hopper, a sieve plate is mounted in the hopper, a clamping plate is fixedly connected to the outer wall of the sieve plate, a connecting rod is movably connected to the interior of the clamping plate, and a clamping plate is fixedly connected to one end of the connecting rod. The precoated sand is placed in the hopper, meanwhile, the clamping plate is placed on the upper edge of the hopper, and the clamping plate can extrude the spring, so that the clamping plate extrudes and limits the upper edge of the hopper, and the precoated sand is poured into the hopper. According to the precoated sand screening and feeding device, the blocky precoated sand can be filtered out, the effect of conveniently screening and filtering out the blocky precoated sand is achieved, by starting a motor, a feeding auger fixedly connected with the outer wall of a rotating rod can rotate, the precoated sand can be conveyed and lifted to a discharging pipe to be discharged, and the effect of conveniently and stably conveying and feeding the precoated sand is achieved.

Description

Technical Field

[0001] The utility model relates to the field of coated sand production, in particular to an automatic feeding device for coated sand production. Background Art

[0002] The surface of the sand grains of coated sand is covered with a layer of solid resin film before molding. There are two coating processes: cold method and hot method: the cold method dissolves the resin with ethanol, and adds urotropine during the sand mixing process, so that the two are coated on the surface of the sand grains, and the ethanol evaporates to obtain coated sand; the hot method preheats the sand to a certain temperature, adds resin to melt it, stirs to coat the resin on the surface of the sand grains, adds urotropine aqueous solution and lubricant, cools, crushes, and sieves to obtain coated sand. At present, coated sand is easy to accumulate in blocks when feeding, which affects subsequent production and processing. Therefore, an automatic feeding device for coated sand production is needed.

[0003] The existing automatic feeding device for producing coated sand is inconvenient to screen the block coated sand during use, and it is inconvenient to move and position the feeding device. Therefore, an automatic feeding device for producing coated sand is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide an automatic feeding device for the production of coated sand, so as to solve the problem that the existing feeding device is inconvenient to screen the block coated sand and is inconvenient to move and position the feeding device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device for coated sand production, comprising a hopper, a screen plate is installed inside the hopper, a clamping plate is fixedly connected to the outer wall of the screen plate, a connecting rod is movably connected inside the clamping plate, and a splint is fixedly connected to one end of the connecting rod.

[0006] The bottom of the hopper is fixedly connected to a feeding pipe, the outer wall of the feeding pipe is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a rotating rod through a coupling, the outer wall of the rotating rod is fixedly connected to a feeding auger, and the bottom of the feeding pipe is fixedly connected to a discharge pipe.

[0007] A base is installed at the bottom of the feeding tube, the outer wall of the base is fixedly connected to a side plate, the inside of the side plate is movably connected to a threaded column, and the bottom end of the threaded column is fixedly connected to a support foot.

[0008] Preferably, the connecting rod and the clamping plate form a sliding structure, and the connecting rod is symmetrically arranged with respect to the central axis of the clamping plate.

[0009] Preferably, a spring is fixedly connected to one side of the clamping plate, and the spring is sleeved on the outer wall of the connecting rod.

[0010] Preferably, the shape of the clamping plate is set to be U-shaped, and the bottom of the clamping plate is set to be arc-shaped.

[0011] Preferably, the feeding auger forms a rotating structure with the feeding tube through a rotating rod, and the feeding auger is in contact with the inner wall of the feeding tube.

[0012] Preferably, a thread groove is provided inside the side plate, and the side plate is threadably connected to the threaded column.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a hopper, a screen plate, a clamping plate and a splint. By moving the screen plate and placing it in the hopper, and placing the clamping plate on the upper edge of the hopper, the splint can squeeze the spring, so that the splint squeezes and limits the upper edge of the hopper, and the coated sand is poured into the hopper. The block coated sand will be filtered out, which is convenient for screening and filtering out the block coated sand;

[0015] 2. The utility model is provided with a motor, a rotating rod, a feeding auger and a discharge pipe. By starting the motor, the feeding auger fixedly connected to the outer wall of the rotating rod can be rotated, and the coated sand can be transported and lifted to the discharge pipe for discharge, which facilitates the stable transportation and feeding of the coated sand.

[0016] 3. The utility model provides a hopper, side panels, threaded columns and supporting feet. By moving the hopper to a desired position and rotating the threaded columns, the supporting feet can support the ground due to the threaded connection between the threaded columns and the side panels, thereby facilitating the movement and positioning of the loading device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the screen plate of the utility model;

[0019] Figure 3 This is a three-dimensional cross-sectional view of the feeding pipe of the utility model;

[0020] Figure 4 This is a three-dimensional diagram of the support foot of the utility model.

[0021] In the figure: 1. hopper; 2. sieve plate; 3. clamping plate; 4. connecting rod; 5. clamping plate; 6. feeding pipe; 7. motor; 8. rotating rod; 9. feeding auger; 10. discharge pipe; 11. base; 12. side panel; 13. threaded column; 14. support foot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] See also Figure 1-4 An automatic feeding device for producing coated sand comprises a hopper 1, a sieve plate 2 is installed inside the hopper 1, a clamping plate 3 is fixedly connected to the outer wall of the sieve plate 2, a connecting rod 4 is movably connected inside the clamping plate 3, a clamping plate 5 is fixedly connected to one end of the connecting rod 4, the connecting rod 4 and the clamping plate 3 form a sliding structure, and the connecting rod 4 is symmetrically arranged with the central axis of the clamping plate 5, a spring is fixedly connected to one side of the clamping plate 5, and the spring is sleeved on the outer wall of the connecting rod 4, the shape of the clamping plate 3 is set to be U-shaped, and the bottom of the clamping plate 5 is set to be arc-shaped, which can facilitate the screening and filtering out of blocky coated sand.

[0025] See also Figure 1-4 An automatic feeding device for producing coated sand, a feeding pipe 6 is fixedly connected to the bottom of the hopper 1, a motor 7 is fixedly connected to the outer wall of the feeding pipe 6, the output shaft of the motor 7 is fixedly connected to a rotating rod 8 through a coupling, a feeding auger 9 is fixedly connected to the outer wall of the rotating rod 8, a discharge pipe 10 is fixedly connected to the bottom of the feeding pipe 6, the feeding auger 9 forms a rotating structure with the feeding pipe 6 through the rotating rod 8, and the feeding auger 9 is in contact with the inner wall of the feeding pipe 6, which can facilitate the stable transportation and feeding of the coated sand.

[0026] See also Figure 1-4 An automatic feeding device for coated sand production, a base 11 is installed at the bottom of the feeding pipe 6, the outer wall of the base 11 is fixedly connected to the side plate 12, the inside of the side plate 12 is movably connected to the threaded column 13, the bottom end of the threaded column 13 is fixedly connected to the support foot 14, the inside of the side plate 12 is provided with a threaded groove, and the side plate 12 is threadedly connected to the threaded column 13, which can facilitate the movement and positioning of the feeding device.

[0027] Working principle: When in use, by moving the screen plate 2 and placing it in the hopper 1, and placing the clamping plate 3 on the upper edge of the hopper 1, the outer wall of the hopper 1 can be squeezed against the clamping plate 5. Since the bottom of the clamping plate 5 is set in an arc shape, the clamping plate 5 can squeeze the spring and drive the connecting rod 4 to slide along the clamping plate 3, so that the clamping plate 5 squeezes and limits the upper edge of the hopper 1, and the coated sand is poured into the hopper 1. The blocky coated sand will be filtered out, and by starting the motor 7, the feeding auger 9 fixedly connected to the outer wall of the rotating rod 8 can be rotated, and the coated sand can be transported and lifted to the discharge pipe 10 for discharge, which is convenient for the stable transportation and feeding of the coated sand. By moving the hopper 1 to the desired position and rotating the threaded column 13, since the threaded column 13 is threadedly connected to the side plate 12, the support foot 14 can be supported on the ground, which is convenient for moving and positioning the feeding device. In this way, the use process of the device is completed. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0028] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic feeding device for producing coated sand, comprising a hopper (1), characterized in that: A sieve plate (2) is installed inside the hopper (1), a clamping plate (3) is fixedly connected to the outer wall of the sieve plate (2), a connecting rod (4) is movably connected inside the clamping plate (3), and a clamping plate (5) is fixedly connected to one end of the connecting rod (4); The bottom of the hopper (1) is fixedly connected to a feeding pipe (6), the outer wall of the feeding pipe (6) is fixedly connected to a motor (7), the output shaft of the motor (7) is fixedly connected to a rotating rod (8) via a coupling, the outer wall of the rotating rod (8) is fixedly connected to a feeding auger (9), and the bottom of the feeding pipe (6) is fixedly connected to a discharge pipe (10); A base (11) is installed at the bottom of the feeding tube (6); the outer wall of the base (11) is fixedly connected to a side plate (12); the inside of the side plate (12) is movably connected to a threaded column (13); the bottom end of the threaded column (13) is fixedly connected to a support foot (14).

2. The automatic feeding device for producing coated sand according to claim 1, characterized in that: The connecting rod (4) and the clamping plate (3) form a sliding structure, and the connecting rod (4) is symmetrically arranged with respect to the central axis of the clamping plate (5).

3. The automatic feeding device for producing coated sand according to claim 1, characterized in that: A spring is fixedly connected to one side of the clamping plate (5), and the spring is sleeved on the outer wall of the connecting rod (4).

4. The automatic feeding device for producing coated sand according to claim 1, characterized in that: The shape of the clamping plate (3) is set to be U-shaped, and the bottom of the clamping plate (5) is set to be arc-shaped.

5. The automatic feeding device for producing coated sand according to claim 1, characterized in that: The feeding auger (9) forms a rotating structure with the feeding pipe (6) through the rotating rod (8), and the feeding auger (9) is in close contact with the inner wall of the feeding pipe (6).

6. The automatic feeding device for producing coated sand according to claim 1, characterized in that: A thread groove is provided inside the side plate (12), and the side plate (12) is threadably connected to the threaded column (13).

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