Sand feeding device of core shooter

Abstract

The sand feeding device of the core shooter comprises a core shooter body, a mounting frame is fixedly connected to one side of the top of the core shooter body, a conveying frame is fixedly connected to the top of the mounting frame, a feeding pipe is arranged on one side of the top of the conveying frame, and a feeding hopper is arranged on the side, away from the mounting frame, of the top of the core shooter body. The conveying frame communicates with the feeding hopper through a discharging pipe, a guide plate is fixedly connected to the side, away from the mounting frame, of the inner wall of the feeding hopper, a filter screen is arranged below the guide plate, and the filter screen is fixedly connected with the inner wall of the feeding hopper; the core shooter has the beneficial effects that the brushing rod and the brushing block are driven by the second motor to strike and grind cakes filtered out from the filter screen, so that the cakes reach a qualified state and penetrate through the filter screen to enter the core shooter main body to be used; and the situation that the service life of the filter screen is affected due to the fact that the filter screen is easily damaged because the filter screen is continuously hit by a top block in order to collect and guide caked sand in traditional equipment is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of core shooting machines, in particular to a sand feeding device of a core shooting machine. Background Art

[0002] The core shooting machine uses coated sand to make cores. It is suitable for both hot core boxes and cold core boxes. The characteristics of the core shooting machine are the use of two guide pillars, vertical parting of the mold opening and closing, and the installation of two different molds at the same time. The middle fixed frame can install the fixed mold on both sides, and the mold can be opened and closed on the left and right. The injection molding machine uses compressed air to evenly inject the molding sand into the sand box for pre-tightening, and then applies pressure for compaction. Commonly used are vertical parting boxless injection molding machine and horizontal parting boxless injection molding machine

[0003] Reference patent is a hot core box core shooting machine (Announcement No.: CN218798948U) which is easy to adjust the sand feeding speed. The servo motor is set to drive the spiral conveying rod to rotate, which can achieve the purpose of uniform feeding and adjusting the feeding rate, and is convenient for the use of sand. A filter screen and a collection frame structure are set to filter impurities and agglomerated sand to avoid clogging the core shooting machine. A fixed rod and a top block structure are also set on one side to avoid impurities clogging the filter screen, which is convenient for the long-term use of the filter screen.

[0004] However, during actual use, the top block structure hits the filter for a long time until it is fixed, which can easily cause rapid damage to the filter and affect the service life of the filter. Moreover, it only filters and collects the agglomerated sand, which requires subsequent transfer and treatment, which is time-consuming and labor-intensive, and increases subsequent treatment costs.

[0005] Therefore, a sand feeding device for a core shooting machine is proposed to solve the above problems. Utility Model Content

[0006] The technical solution adopted by the utility model to solve the technical problem is: a sand feeding device of a core shooting machine, comprising a core shooting machine body, a mounting frame is fixedly connected to one side of the top of the core shooting machine body, a conveying frame is fixedly connected to the top of the mounting frame, a feeding pipe is arranged on one side of the top of the conveying frame, a feeding hopper is arranged on the side of the top of the core shooting machine body away from the mounting frame, the conveying frame is connected with the feeding hopper through a feeding pipe, a guide plate is fixedly connected to the side of the inner wall of the feeding hopper away from the mounting frame, a filter screen is arranged below the guide plate, the filter screen is fixedly connected to the inner wall of the feeding hopper, a No. 2 motor is fixedly connected to the middle part of the bottom of the filter screen, the output end of the No. 2 motor passes through the filter screen and is fixedly connected to a cleaning brush rod, and a plurality of cleaning brush blocks are fixedly connected to the bottom of the cleaning brush rod.

[0007] As a preferred technical solution of the utility model, the top of the feed hopper away from the mounting frame is fixedly connected to a No. 1 motor, the output end of the No. 1 motor passes through the feed hopper and is fixedly connected to a breaking rod, and the breaking rod is located directly below the bottom end of the discharge pipe.

[0008] As a preferred technical solution of the utility model, a No. 3 motor is fixedly connected to the middle of the bottom of the guide plate, and the output end of the No. 3 motor passes through the guide plate and is fixedly connected to a scraper.

[0009] As a preferred technical solution of the utility model, the conveying frame is fixedly connected to a servo motor at one end away from the feed hopper, and the output end of the servo motor passes through the conveying frame and is fixedly connected to a spiral conveying rod.

[0010] As a preferred technical solution of the utility model, motor protection boxes are provided on the outsides of the No. 1 motor and the No. 2 motor, and the two motor protection boxes are fixedly connected to the corresponding guide plate and the bottom of the filter respectively.

[0011] The utility model has the following advantages:

[0012] 1. The utility model uses the No. 2 motor to drive the cleaning brush rod and the cleaning brush block to hit and grind the lumps filtered out from the filter screen, so that they reach a qualified state and pass through the filter screen into the core shooting machine body for use, effectively avoiding the traditional equipment to use the top block to continuously hit the filter screen in order to collect and guide the agglomerated sand, which is easy to cause damage to the filter screen and affect the service life of the filter screen.

[0013] 2. Drive the breaking rod to rotate through No. 1, and use the high-speed rotating breaking rod to hit the sand entering the feed hopper, thereby breaking up the agglomerated sand and knocking the sand onto the guide plate. The smaller agglomerated sand is broken up again through the impact effect. Through multiple breaking operations, the emergence of a large amount of agglomerated sand can be effectively avoided, thereby effectively improving the use effect and work efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional structural schematic diagram of a preferred embodiment of the utility model;

[0015] Figure 2 This is an enlarged structural schematic diagram of location A of a preferred embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of the enlarged structure of point B of a preferred embodiment of the utility model.

[0017] Explanation of the reference numerals in the accompanying drawings: 1. Core shooting machine body; 2. Mounting frame; 3. Conveying frame; 4. Feeding pipe; 5. Feeding hopper; 6. No. 1 motor; 7. Breaking rod; 8. Guide plate; 9. Filter screen; 10. No. 2 motor; 11. Brush cleaning rod; 12. Brush cleaning block; 13. Servo motor; 14. Screw conveying rod; 15. Feeding pipe; 16. No. 3 motor; 17. Scraper. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] The utility model will be further described below in conjunction with the accompanying drawings.

[0020] Example

[0021] Please refer to Figure 1-3 The utility model discloses a sand feeding device for a core shooting machine, comprising a core shooting machine body 1, a mounting frame 2 is fixedly connected to one side of the top of the core shooting machine body 1, a conveying frame 3 is fixedly connected to the top of the mounting frame 2, a feeding pipe 15 is arranged on one side of the top of the conveying frame 3, a feeding hopper 5 is arranged on the side of the top of the core shooting machine body 1 away from the mounting frame 2, the conveying frame 3 is connected to the feeding hopper 5 through a feeding pipe 4, a guide plate 8 is fixedly connected to the side of the inner wall of the feeding hopper 5 away from the mounting frame 2, a filter screen 9 is arranged below the guide plate 8, the filter screen 9 is fixedly connected to the inner wall of the feeding hopper 5, a No. 2 motor 10 is fixedly connected to the middle of the bottom of the filter screen 9, and the No. 2 motor 10 The output end passes through the filter 9 and is fixedly connected with a cleaning brush rod 11. A number of cleaning brush blocks 12 are fixedly connected to the bottom of the cleaning brush rod 11. The sand is sent to the discharge pipe 4 through the conveying frame 3 and the sand falls into the feed hopper 5. The sand entering the feed hopper 5 is guided to the filter 9 through the guide plate 8. The cleaning brush rod 11 is driven to rotate by the No. 3 motor 16, so that the cleaning brush rod 11 and the cleaning brush blocks 12 at the bottom of the cleaning brush rod 11 hit and grind the sand. The sand is ground to a qualified state so that it can pass through the filter 9, which effectively avoids the situation in which traditional equipment hits the filter 9 for a long time, which easily causes the filter 9 to be damaged and affects the use of the equipment.

[0022] Among them, a No. 1 motor 6 is fixedly connected to the top of the side of the feed hopper 5 away from the mounting frame 2. The output end of the No. 1 motor 6 passes through the feed hopper 5 and is fixedly connected to a breaking rod 7. The breaking rod 7 is located just below the bottom end of the discharge pipe 4. The No. 1 motor 6 drives the breaking rod 7 to rotate, so that the high-speed rotating breaking rod 7 hits the sand entering the feed hopper 5, thereby breaking up the agglomerated sand and knocking the sand onto the guide plate 8. The smaller agglomerated sand is broken up again through the impact action, thereby effectively improving the processing efficiency of the equipment and avoiding the situation in which traditional equipment only filters and collects the agglomerated sand, and then requires time-consuming and labor-intensive secondary processing of the agglomerated sand.

[0023] Among them, a No. 3 motor 16 is fixedly connected to the middle of the bottom of the guide plate 8. The output end of the No. 3 motor 16 passes through the guide plate 8 and is fixedly connected to a scraper 17. By starting the No. 3 motor 16 to drive the scraper 17 to rotate, the scraper 17 scrapes the sand stagnant on the guide plate 8, allowing it to quickly fall onto the filter screen 9, thereby preventing the sand from stagnating for a long time and causing agglomeration.

[0024] Among them, a servo motor 13 is fixedly connected to one end of the conveying frame 3 away from the feed hopper 5, and the output end of the servo motor 13 passes through the conveying frame 3 and is fixedly connected to a spiral conveying rod 14. Motor protection boxes are provided on the outsides of the No. 1 motor 6 and the No. 2 motor 10. The two motor protection boxes are respectively fixedly connected to the bottom of the corresponding guide plate 8 and the filter screen 9. The motor protection box can effectively protect the No. 1 motor 6 and the No. 2 motor 10. The servo motor 13 drives the spiral conveying rod 14 to convey the sand, and the feeding speed of the sand can be effectively controlled.

[0025] Specifically, when the utility model is used, the servo motor 13 is started to drive the spiral conveying rod 14 to rotate, so that the spiral conveying rod 14 drives the feeding pipe 15 to feed the sand in the conveying frame 3 to move to the discharge pipe 4, and the sand falls into the feeding hopper 5 through the discharge pipe 4, and at the same time, the No. 1 motor 6 is started to drive the breaking rod 7 to rotate, and the high-speed rotating breaking rod 7 hits the sand entering the feeding hopper 5, thereby breaking up the agglomerated sand, and knocking the sand onto the guide plate 8, and the smaller agglomerated sand is broken up again by the impact action. After the sand falls on the guide plate 8, it slides onto the filter screen 9 through the guide plate 8, and the sand is filtered through the filter screen 9, so that qualified sand enters the core shooting machine body 1 for use, and the sand that is still agglomerated is blocked, and then the No. 3 motor 16 is started to drive the cleaning brush rod 11 to rotate, so that the cleaning brush rod 11 and the cleaning brush blocks 12 at the bottom thereof hit and grind the sand, and grind the sand to a qualified state so that it can pass through the filter screen 9, effectively avoiding the situation in which the traditional equipment hits the filter screen 9 for a long time, which is easy to cause the filter screen 9 to be damaged and affect the use of the equipment.

[0026] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sand feeding device for a core shooting machine, comprising a core shooting machine body (1), a mounting frame (2) being fixedly connected to one side of the top of the core shooting machine body (1), a conveying frame (3) being fixedly connected to the top of the mounting frame (2), a feeding pipe (15) being arranged on one side of the top of the conveying frame (3), a feeding hopper (5) being arranged on the side of the top of the core shooting machine body (1) away from the mounting frame (2), the conveying frame (3) being connected to the feeding hopper (5) through a feeding pipe (4), and characterized in that: A guide plate (8) is fixedly connected to the inner wall of the feed hopper (5) at a side away from the mounting frame (2), a filter screen (9) is arranged below the guide plate (8), the filter screen (9) is fixedly connected to the inner wall of the feed hopper (5), a No. 2 motor (10) is fixedly connected to the middle of the bottom of the filter screen (9), an output end of the No. 2 motor (10) passes through the filter screen (9) and is fixedly connected to a cleaning rod (11), and a plurality of cleaning blocks (12) are fixedly connected to the bottom of the cleaning rod (11).

2. A sand feeding device for a core shooting machine as claimed in claim 1, characterized in that: A first motor (6) is fixedly connected to the top of the feed hopper (5) away from the mounting frame (2); an output end of the first motor (6) passes through the feed hopper (5) and is fixedly connected to a breaking rod (7); the breaking rod (7) is located directly below the bottom end of the discharge pipe (4).

3. A sand feeding device for a core shooting machine as claimed in claim 1, characterized in that: A third motor (16) is fixedly connected to the middle of the bottom of the guide plate (8), and an output end of the third motor (16) passes through the guide plate (8) and is fixedly connected to a scraper (17).

4. A sand feeding device for a core shooting machine as claimed in claim 1, characterized in that: A servo motor (13) is fixedly connected to one end of the conveying frame (3) away from the feed hopper (5); an output end of the servo motor (13) passes through the conveying frame (3) and is fixedly connected to a spiral conveying rod (14).

5. A sand feeding device for a core shooting machine as claimed in claim 2, characterized in that: Motor protection boxes are provided on the outside of the first motor (6) and the second motor (10), and the two motor protection boxes are fixedly connected to the bottom of the corresponding guide plate (8) and the filter screen (9), respectively.

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