Sand storage device for core shooter
By using a cylinder and motor-driven eccentric wheel assembly in the sand storage device of the core shooter, the problem of difficult sand output control was solved, achieving precise sand output and preventing sand agglomeration.
Patent Information
- Application Number
- CN202423002837.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Existing core shooter sand storage devices have difficulty in accurately controlling the amount of sand discharged during the discharge process, especially gravity discharge methods, which cannot accurately control the amount of sand discharged.
The discharge box is driven by a cylinder to slide in the chute. Combined with the motor-driven eccentric wheel and filter assembly, the discharge box position and the eccentric movement of the filter are controlled to achieve precise control of the sand output and prevent sand from clumping.
It enables precise control of sand output, prevents sand from clumping, and improves the controllability and efficiency of the sand output process.
Smart Images
Figure CN223642734U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to core shooter accessory field especially relates to a sand storage device for core shooter. BACKGROUND
[0002] The sand storage device for core shooter is a kind of equipment component specially providing sand moulding sand storage and supply function for core shooter, by inlet, outlet, bunker is formed.Sand is stored in the bunker of sand storage device when sanding, when core shooter starts to work and needs sand, sand is discharged through outlet, reaches the sand shooting cylinder of core shooter after conveying, then participates in the molding process of core shooting.
[0003] The sand storage device for existing core shooter adopts the discharge mode of gravity discharge, sand flows to the outlet under the influence of gravity, when needing to discharge, the valve at the outlet is opened, and sand falls by gravity, but the discharge mode is difficult to accurately control the sand discharge amount. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a sand storage device for core shooter, to improve the problem that gravity discharge and threaded conveying discharge cannot accurately control the sand discharge amount.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a sand storage device for core shooter, including receiving table, the receiving table is internally provided with a chute, the chute is internally and slidably connected with a discharge box, the left side of the receiving table is fixedly connected with a gas cylinder, the output end of the gas cylinder is fixedly connected with the discharge box, the top of the discharge box is provided with a first recess, the inner bottom wall of the receiving table is provided with a second recess, the top of the receiving table is provided with an outlet, the right side of the outlet is fixedly connected with a valve, the top end of the outlet is fixedly connected with a storage bin, the top of the receiving table is provided with a sand filtering assembly, and the sand filtering assembly is used to prevent sand from caking when discharging sand.
[0006] Preferably, the sand filtering assembly includes a motor, the receiving table is fixedly connected with the motor, the output end of the motor is fixedly connected with an eccentric wheel, the left side of the eccentric wheel is fixedly connected with a connecting rod, the left end of the connecting rod is fixedly connected with a filter screen, and the outlet is located on the upper side of the filter screen.
[0007] Preferably, the receiving table is connected with a connecting frame on the front and rear sides, and the two connecting frames are fixedly connected with the storage bin.
[0008] Preferably, the first recess is a half-conical shape with a circular opening on the lower side, and the second recess is a conical shape with a circular opening on the lower side.
[0009] Preferably, when the right side of the discharge box contacts the right inner wall of the chute, the lower circular opening of the second groove is above the first groove and the lower circular opening of the first groove is blocked by the bottom wall of the chute.
[0010] Preferably, when the left side of the discharge box contacts the left inner wall of the chute, the lower circular opening of the first groove is above the discharge slot and the lower circular opening of the second groove is blocked by the top of the discharge box.
[0011] Preferably, the upper side of the filter screen is fixedly connected with a baffle, and the discharge port is located inside the baffle.
[0012] Preferably, the left side of the filter screen is fixedly connected with a rotating rod.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, the cylinder drives the discharge box to slide in the chute, and the discharge box slides to the right side to contact the right wall of the chute to store sand, at this time, the lower circular opening of the first groove is blocked to prevent sand from leaking out of the discharge box before the sand is full, and when the sand is full, the discharge box slides to the left side to contact the left wall of the chute to discharge sand, at this time, the lower circular opening of the second groove is blocked to prevent the sand in the second groove from entering the discharge box, thereby achieving the purpose of controlling the amount of discharged sand.
[0015] 2. In the utility model, the motor drives the eccentric wheel to rotate, the eccentric wheel drives the connecting rod to rotate, and the connecting rod drives the filter screen to move, at this time, the rotating rod rotates at the same frequency as the connecting rod, so that the filter screen can keep balanced eccentric motion, and the baffle prevents dust and sand from running out of the filter screen, thereby achieving the purpose of filtering sand and preventing sand from caking when discharging sand. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A perspective view of the sand storage device for the core shooting machine is provided for the utility model;
[0017] Figure 2 A cross-sectional view of the sand storage device for the core shooting machine is provided for the utility model;
[0018] Figure 3 A quantitative conveying assembly structure diagram of the sand storage device for the core shooting machine is provided for the utility model;
[0019] Figure 4 A sand filtering assembly diagram of the sand storage device for the core shooting machine is provided for the utility model.
[0020] LEGEND:
[0021] 1, receiving table; 2, air cylinder; 3, discharge box; 4, first groove; 5, discharge slot; 6, chute; 7, second groove; 8, baffle; 9, motor; 10, connecting rod; 11, eccentric wheel; 12, filter screen; 13, discharge port; 14, storage bin; 15, connecting frame; 16, valve; 17, rotating rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Referring to Figures 1-3 , the utility model provides an embodiment: a sand storage device for a core shooting machine, including receiving table 1, receiving table 1 inside is set with chute 6, chute 6 inside is connected with discharge box 3 slidingly, receiving table 1 left side is fixedly connected with air cylinder 2, air cylinder 2 output and discharge box 3 between fixed connection, discharge box 3 top is set with first groove 4, receiving table 1 inner bottom wall is set with second groove 7, receiving table 1 top is provided with discharge port 13, discharge port 13 right side is fixedly connected with valve 16, discharge port 13 top end is fixedly connected with storage bin 14, receiving table 1 top is provided with sand filtering assembly, sand filtering assembly is used to prevent sand lumping when sand discharging.
[0024] Specifically, chute 6 is used to support the falling sand, discharge box 3 can slide inside chute 6, receiving table 1 fixes the position of air cylinder 2, air cylinder 2 drives discharge box 3 to move left and right, first groove 4 is used to support the sand falling from second groove 7, discharge port 13 is used to control the position of sand falling in storage bin 14 in receiving table 1, valve 16 is used to control the opening and closing of discharge port 13, storage bin 14 fixes the position of discharge port 13.
[0025] Referring to Figures 2-4 , sand filtering assembly includes motor 9, receiving table 1 and motor 9 are fixedly connected, motor 9 output end is fixedly connected with eccentric wheel 11, eccentric wheel 11 left side is fixedly connected with connecting rod 10, connecting rod 10 left end is fixedly connected with filter screen 12, discharge port 13 is located on the upside of filter screen 12.
[0026] Specifically, receiving table 1 fixes the position of motor 9, motor 9 drives eccentric wheel 11 to rotate, eccentric wheel 11 drives connecting rod 10 to rotate, connecting rod 10 drives filter screen 12 to make eccentric motion, discharge port 13 is used to control sand to fall on filter screen 12.
[0027] Referring to Figure 1The connecting frame 15 is fixedly connected between the two connecting frames 15 and the storage bin 14.
[0028] Specifically, the connecting frame 15 is used for connecting the storage bin 14 and the control of the receiving table 1 to ensure that the receiving table 1 is always below the storage bin 14.
[0029] Referring to Figure 2 and Figure 3 , the first groove 4 is in a half-conical shape and has a circular opening at the lower side, and the second groove 7 is in a conical shape and has a circular opening at the lower side.
[0030] Specifically, the first groove 4 and the second groove 7 are arranged in a conical shape and have a circular opening to facilitate the falling of the sand.
[0031] Referring to Figure 2 and Figure 3 , when the right side of the discharge box 3 contacts the right inner wall of the chute 6, the lower circular opening of the second groove 7 is above the first groove 4, and the lower circular opening of the first groove 4 is blocked by the bottom wall of the chute 6.
[0032] Specifically, when the lower circular opening of the second groove 7 is above the first groove 4, the sand will fall from the second groove 7 into the first groove 4, and when the lower circular opening of the first groove 4 is blocked, the sand will be stored in the first groove 4.
[0033] Referring to Figure 2 and Figure 3 , when the left side of the discharge box 3 contacts the left inner wall of the chute 6, the lower circular opening of the first groove 4 is above the discharge chute 5, and the lower circular opening of the second groove 7 is blocked by the top of the discharge box 3.
[0034] Specifically, when the first groove 4 is above the discharge chute 5, the sand completes the discharge through the discharge chute 5, and when the lower circular opening of the second groove 7 is blocked, it ensures that no sand enters the first groove 4 during the discharge process.
[0035] Referring to Figure 1 and Figure 2 , the filter screen 12 is fixedly connected with a baffle 8 at the upper side, and the discharge port 13 is located inside the baffle 8.
[0036] Specifically, the baffle 8 is used to prevent dust from being raised when the sand falls onto the filter screen 12 and to prevent the sand from coming out of the discharge port 13 without falling completely onto the filter screen 12.
[0037] Referring to Figure 2 , the filter screen 12 is fixedly connected with a rotating rod 17 at the left side.
[0038] Specifically, the rotating frequency of the rotating rod 17 and the connecting rod 10 is consistent, so that the filter screen 12 remains balanced during rotation.
[0039] Working principle: when the need to control the amount of sand, open the valve 16 sand through the discharge port 13 from the bunker 14 on the screen 12, the motor 9 driven eccentric 11 rotation, eccentric 11 driven connecting rod 10 rotation, because the connecting rod 10 and rotating rod 17 in the filter screen 12 at the opposite corners and consistent rotation frequency so will drive the screen 12 eccentric motion, to filter the sand effect to prevent sand on the receiving platform 1 is the state of caking, the air cylinder 2 driven discharge box 3 to the right until the box 3 and the chute 6 right wall contact, at this time the sand will be through the second recess 7 discharge table falls into the first recess 4 and the first recess 4 is blocked by the bottom wall of the chute 6 downside, the first recess 4 filled with air cylinder 2 driven discharge box 3 to the left until the discharge chute 5, at this time the sand will be through the discharge chute 5 discharge and the second recess 7 downside is blocked by the discharge box top, so as to realize the control of the amount of sand.
[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application and does not limit the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A sand storage device for a core shooter comprising a receiving table (1), characterized in that: The receiving table (1) is internally provided with a chute (6), the chute (6) is internally and slidably connected with a discharging box (3), the receiving table (1) is fixedly connected with a pneumatic cylinder (2) on the left side and below, the pneumatic cylinder (2) is fixedly connected between the output end and the discharging box (3), the discharging box (3) is provided with a first recess (4) on the top, the inner bottom wall of the receiving table (1) is provided with a second recess (7), the receiving table (1) is provided with a discharging port (13) on the top, the discharging port (13) is fixedly connected with a valve (16) on the right side, the discharging port (13) is fixedly connected with a storage bin (14) on the top, the receiving table (1) is provided with a sand filtering assembly on the top, and the sand filtering assembly is used for preventing sand from caking when sand is discharged.
2. A sand storage device for a core shooter as defined in claim 1, wherein: The sand filtering assembly comprises a motor (9), the receiving table (1) is fixedly connected with the motor (9), the motor (9) is fixedly connected with an eccentric wheel (11) at the output end, the eccentric wheel (11) is fixedly connected with a connecting rod (10) on the left side, the connecting rod (10) is fixedly connected with a filter screen (12) on the left end, and the discharging port (13) is located on the upper side of the filter screen (12).
3. A sand storage device for a core shooter as defined in claim 1, wherein: The receiving table (1) is connected with a connecting frame (15) on the front and rear sides, and the two connecting frames (15) are fixedly connected with the storage bin (14).
4. A sand storage device for a core shooter as defined in claim 1, wherein: The first recess (4) is a half-conical shape, and the lower side is a circular opening; and the second recess (7) is a conical shape, and the lower side is a circular opening.
5. A sand storage device for a core shooter as defined in claim 1, wherein: When the right side of the discharging box (3) contacts the right inner wall of the chute (6), the lower circular opening of the second recess (7) is above the first recess (4), and the lower circular opening of the first recess (4) is blocked by the bottom wall of the chute (6).
6. A sand storage device for a core shooter as defined in claim 1, wherein: When the left side of the discharging box (3) contacts the left inner wall of the chute (6), the lower circular opening of the first recess (4) is above the discharging groove (5), and the lower circular opening of the second recess (7) is blocked by the top of the discharging box (3).
7. A sand storage device for a core shooter as defined in claim 2, wherein: The filter screen (12) is fixedly connected with a baffle (8) on the upper side, and the discharging port (13) is located in the baffle (8).
8. A sand storage device for a core shooter as defined in claim 2, wherein: The filter screen (12) is fixedly connected with a rotating rod (17) on the left side.