CN216263367U

CN216263367U - Automatic feeding device for precoated sand molding line

Info

Publication number: CN216263367U
Application number: CN202122749544.6U
Authority: CN
Inventors: 曹英交
Original assignee: Suqian Brothers Coated Sand Co ltd
Current assignee: Suqian Brothers Coated Sand Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-12
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses an automatic feeding device for a precoated sand molding line, which relates to the field of precoated sand and comprises a stirring and separating mechanism and a conveying mechanism, wherein the stirring and separating mechanism comprises a storage hopper, a metal funnel fixed on the inner wall of the storage hopper and a mounting plate fixed on the top of the metal funnel through a bolt. According to the utility model, the raw materials are loaded into the metal funnel, and the stirring and separating mechanism is utilized to enable the filter screen to vibrate continuously, so that the raw materials are filtered, the yield of the coated sand produced in the later stage is improved, and the surface of the filter screen is scraped continuously through the rotating brush, so that the filtering efficiency is improved; utilize the solution of electrical heating wire to pack in the storage hopper to heat, transmit to the raw materials through sheetmetal and metal funnel, through rotatory puddler for the raw materials thermally equivalent utilizes conveying mechanism simultaneously, and the circulating pump is with the incessant circulation of hot solution, makes the raw materials fully contact with the heat source in the metal cylinder, improves the heating efficiency of device.

Description

Automatic feeding device for precoated sand molding line

Technical Field

The utility model relates to the field of precoated sand, in particular to an automatic feeding device for a precoated sand molding line.

Background

And (3) coating sand, wherein the surface of sand grains is coated with a layer of molding sand or core sand of a solid resin film before molding. There are two film-coating processes of cold method and hot method: dissolving the resin with ethanol by a cold method, adding urotropine in the sand mixing process to coat the urotropine and the sand on the surface of sand grains, and volatilizing the ethanol to obtain precoated sand; the heat method is to preheat the sand to a certain temperature, add resin to melt the sand, stir the sand to coat the resin on the surface of the sand, add urotropine water solution and lubricant, cool, crush and screen the sand to obtain the precoated sand.

The tectorial membrane sand raw materials feedway that uses at present, its raw materials do not lead to having great improper granule existence through the separation, influence the tectorial membrane sand in later stage and use, and the heating efficiency to the tectorial membrane sand raw materials is lower simultaneously, leads to production efficiency greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an automatic feeding device for a precoated sand molding line.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic feeding device for a precoated sand molding line comprises a stirring and separating mechanism and a conveying mechanism, wherein the stirring and separating mechanism comprises a storage hopper, a metal funnel fixed on the inner wall of the storage hopper, a mounting plate fixed on the top of the metal funnel through a bolt, a first servo motor fixed on the top of the mounting plate, a rotating shaft fixed at one end of an output shaft of the first servo motor through a coupling, stirring rods uniformly fixed on the outer wall of the bottom end of the rotating shaft, a filter screen in sliding fit with the outer wall of the rotating shaft, a lug uniformly fixed at the bottom of the filter screen, an L-shaped support symmetrically fixed on the outer wall of the rotating shaft below the lug, a brush fixed on the outer wall of the rotating shaft above the filter screen, metal sheets uniformly installed on the side wall of the metal funnel and electric heating wires installed on the inner wall of the storage hopper;

the conveying mechanism comprises a heat-insulating frame, a metal cylinder fixed on the inner wall of the heat-insulating frame, a second servo motor fixed on the outer wall of one side of the heat-insulating frame, a helical blade fixed at one end of an output shaft of the second servo motor through a coupler and a circulating pump fixed at the top of the heat-insulating frame.

Preferably, a water inlet is formed in one side of the top of the heat preservation frame, and the inner wall of the water inlet is connected with the water inlet end of the circulating pump through a guide pipe.

Preferably, a water outlet is formed in one side of the storage hopper, and the inner wall of the water outlet is connected with the water outlet end of the circulating pump through a connecting pipe.

Preferably, the heat preservation frame and the metal cylinder top have all been opened the feed inlet, and the feed inlet inner wall is fixed with the inlet pipe, storage hopper and metal funnel bottom all are fixed with the discharge tube, and the inlet pipe passes through flange interconnect with the discharge tube.

Preferably, the storage hopper and the opposite side of the heat preservation frame are both provided with mounting holes, and the inner wall of each mounting hole is provided with a connecting pipe.

Preferably, the inner wall of the metal funnel is provided with symmetrically distributed fixing grooves, the filter screen and the inner wall of the fixing grooves form sliding fit, and one side, opposite to the inner wall of the fixing grooves, of the filter screen is fixed with a spring.

The utility model has the beneficial effects that:

1. the raw materials are loaded into the metal funnel, the first servo motor drives the rotating shaft to rotate, the L-shaped support is driven to rotate, and the L-shaped support can intermittently jack up the lug, so that the filter screen continuously vibrates, the raw materials are filtered, the finished product ratio of the precoated sand produced in the later period is improved, the surface of the filter screen is continuously scraped by the rotating brush, and the filtering efficiency is improved;

2. utilize the solution of electrical heating wire to pack in the storage hopper to heat, transmit to the raw materials through sheetmetal and metal funnel, through rotatory puddler for the raw materials thermally equivalent, when utilizing the rotatory raw materials of carrying of second servo motor drive helical blade simultaneously, the endless circulation of hot solution is with the circulating pump, makes the raw materials fully contact with the heat source in the metal cylinder, improves the heating efficiency of device.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an automatic feeding device for a precoated sand molding line according to the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of a stirring and separating mechanism of an automatic feeding device for a precoated sand molding line according to the present invention.

Fig. 3 is a schematic top sectional view of a storage hopper of an automatic feeding device for a precoated sand molding line according to the present invention.

In the figure: 1 stirring separating mechanism, 2 conveying mechanism, 3 storage hoppers, 4 metal funnels, 5 mounting plates, 6 first servo motors, 7 rotating shafts, 8 stirring rods, 9 filter screens, 10 convex blocks, 11 'L' -shaped supports, 12 brushes, 13 metal sheets, 14 electric heating wires, 15 heat preservation frames, 16 metal cylinders, 17 second servo motors, 18 helical blades and 19 circulating pumps.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an automatic feeding device for a precoated sand molding line comprises a stirring and separating mechanism 1 and a conveying mechanism 2, wherein the stirring and separating mechanism 1 comprises a storage hopper 3, a metal funnel 4, a mounting plate 5, a first servo motor 6, a rotating shaft 7, a stirring rod 8, a filter screen 9, a bump 10, an 'L' -shaped support 11, a brush 12, a metal sheet 13 and an electric heating wire 14, the metal funnel 4 is fixed on the inner wall of the storage hopper 3, the mounting plate 5 is fixed on the top of the metal funnel 4 through a bolt, the first servo motor 6 is fixed on the top of the mounting plate 5, the rotating shaft 7 is fixed at one end of an output shaft of the first servo motor 6 through a coupler, the stirring rod 8 is uniformly fixed on the outer wall at the bottom end of the rotating shaft 7, the filter screen 9 and the outer wall of the rotating shaft 7 form a sliding fit, the bump 10 is uniformly fixed at the bottom of the filter screen 9, the 'L' -shaped support 11 is symmetrically fixed on the outer wall of the rotating shaft 7 at the lower side of the bump 10, the hairbrush 12 is fixed on the outer wall of the rotating shaft 7 on the upper side of the filter screen 9, the metal sheets 13 are uniformly arranged on the side wall of the metal funnel 4, the electric heating wire 14 is arranged on the inner wall of the storage hopper 3, the inner wall of the metal funnel 4 is provided with symmetrically distributed fixing grooves, the filter screen 9 and the inner wall of the fixing grooves form sliding fit, one side of the filter screen 9 opposite to the inner wall of the fixing grooves is fixedly provided with a spring, raw materials are loaded into the metal funnel 4, the first servo motor 6 drives the rotating shaft 7 to rotate to drive the L-shaped support 11 to rotate, so that the L-shaped support can intermittently jack up the convex blocks 10, the filter screen 9 is continuously vibrated, the raw materials are filtered, the yield of precoated sand manufactured in the later stage is improved, the surface of the filter screen 9 is continuously scraped through the rotating hairbrush 12, and the filtering efficiency is improved;

the conveying mechanism 2 comprises a heat preservation frame 15, a metal cylinder 16, a second servo motor 17, a helical blade 18 and a circulating pump 19, the metal cylinder 16 is fixed on the inner wall of the heat preservation frame 15, the second servo motor 17 is fixed on the outer wall of one side of the heat preservation frame 15, the helical blade 18 is fixed at one end of an output shaft of the second servo motor 17 through a coupler, the circulating pump 19 is fixed on the top of the heat preservation frame 15, one side of the top of the heat preservation frame 15 is provided with a water inlet, the inner wall of the water inlet is connected with a water inlet end of the circulating pump 19 through a guide pipe, one side of the storage hopper 3 is provided with a water outlet, the inner wall of the water outlet is connected with a water outlet end of the circulating pump 19 through a connecting pipe, the tops of the heat preservation frame 15 and the metal cylinder 16 are provided with feed inlets, the inner walls of the feed inlets are fixed with feed pipes, the bottoms of the storage hopper 3 and the metal hopper 4 are both provided with discharge pipes, the feed pipes are connected with the discharge pipes through flanges, one side of the storage hopper 3 opposite to the heat preservation frame 15 is provided with mounting holes, and the connecting pipe is installed to the mounting hole inner wall, utilizes electric heating wire 14 to heat the solution of filling in the storage hopper, and is transmitting to the raw materials through sheetmetal 13 and metal funnel 4, through rotatory puddler 8 for the raw materials thermally equivalent, when utilizing second servo motor 17 drive helical blade 18 rotatory conveying raw materials simultaneously, circulating pump 19 is with the incessant circulation of hot solution, makes the raw materials fully contact with the heat source in metal cylinder 16, improves the heating efficiency of device.

The working principle is as follows: raw materials are loaded into the metal funnel 4, the first servo motor 6 drives the rotating shaft 7 to rotate, the L-shaped support 11 is driven to rotate, and the L-shaped support can intermittently jack up the lug 10, so that the filter screen 9 continuously vibrates, the raw materials are filtered, the finished product rate of precoated sand produced in the later period is improved, the surface of the filter screen 9 is continuously scraped through the rotating brush 12, and the filtering efficiency is improved; utilize electric heating wire 14 to heat the solution of intussuseption in the storage hopper, transmit to the raw materials through sheetmetal 13 and metal funnel 4, through rotatory puddler 8 for raw materials thermally equivalent, when utilizing second servo motor 17 drive helical blade 18 rotatory conveying raw materials simultaneously, circulating pump 19 is with the incessant circulation of hot solution, makes the raw materials fully contact with the heat source in metal cylinder 16, improve device's heating efficiency.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a tectorial membrane sand molding line automatic feed device, including stirring separating mechanism (1) and conveying mechanism (2), a serial communication port, stirring separating mechanism (1) includes storage hopper (3), fix metal funnel (4) at storage hopper (3) inner wall, through mounting panel (5) of bolt fastening at metal funnel (4) top, fix first servo motor (6) at mounting panel (5) top, fix pivot (7) in first servo motor (6) output shaft one end through the shaft coupling, evenly fix puddler (8) at pivot (7) bottom outer wall, form sliding fit's filter screen (9) with pivot (7) outer wall, evenly fix lug (10) in filter screen (9) bottom, the symmetry is fixed in "L" shape support (11) of pivot (7) outer wall of lug (10) downside, "L" shape support (11), be fixed in brush (12) of pivot (7) outer wall of filter screen (9) upside, The metal sheets (13) are uniformly arranged on the side wall of the metal funnel (4), and the electric heating wires (14) are arranged on the inner wall of the storage hopper (3);

conveying mechanism (2) are including heat preservation frame (15), fix metal cylinder (16) at heat preservation frame (15) inner wall, fix second servo motor (17) at heat preservation frame (15) one side outer wall, fix helical blade (18) at second servo motor (17) output shaft one end and fix circulating pump (19) at heat preservation frame (15) top through the shaft coupling.

2. The automatic feeding device for the precoated sand molding line according to claim 1, wherein a water inlet is formed in one side of the top of the heat-insulating frame (15), and the inner wall of the water inlet is connected with the water inlet end of the circulating pump (19) through a conduit.

3. The automatic feeding device for the precoated sand molding line according to claim 1, wherein a water outlet is formed in one side of the storage hopper (3), and the inner wall of the water outlet is connected with the water outlet end of the circulating pump (19) through a connecting pipe.

4. The automatic feeding device for the precoated sand molding line according to claim 1, wherein a feeding hole is formed in the top of each of the heat-insulating frame (15) and the metal cylinder (16), a feeding pipe is fixed to the inner wall of the feeding hole, a discharging pipe is fixed to the bottom of each of the storage hopper (3) and the metal funnel (4), and the feeding pipe and the discharging pipe are connected with each other through flanges.

5. The automatic feeding device for the precoated sand molding line according to claim 1, wherein mounting holes are formed in the opposite sides of the storage hopper (3) and the heat-preservation frame (15), and connecting pipes are mounted on the inner walls of the mounting holes.

6. The automatic feeding device for the precoated sand molding line according to claim 1, wherein the inner wall of the metal funnel (4) is provided with symmetrically distributed fixing grooves, the filter screen (9) is in sliding fit with the inner wall of the fixing grooves, and a spring is fixed on the side of the filter screen (9) opposite to the inner wall of the fixing grooves.