Core shooter sand shooting device convenient for sand injection

Abstract

The utility model discloses a core shooter sand shooting device convenient to inject sand, which relates to the technical field of core shooters and comprises a base, a filter box and a sand shooter body are respectively and fixedly mounted on the top surface of the base, the filter box is communicated with the sand shooter body, and a filter plate is obliquely mounted in the filter box. A plurality of vibration motors are mounted on the bottom surface of the filter plate, and a fixed seat is fixedly mounted on the top surface of the base. When the device is used, the vibration motor increases the filtering efficiency of the filter plate and can reduce the blockage of the filter plate, and meanwhile, filtered large cold core sand can enter the crushing mechanism through the conveying mechanism, is crushed again through the crushing mechanism and enters the hopper to participate in material injection of the core shooter again, so that the labor cost and the time cost are saved, and the production efficiency is improved. And blockage caused by different sizes of the cold core sand when the hopper conveys the cold core sand can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to core shooter technical field especially relates to a kind of sand injection device of core shooter of sand injection of being convenient for. BACKGROUND

[0002] ‌The working principle of cold-box core shooter is to inject the mixture of core sand and two-component resin adhesive into the core box and apply pressure for compaction. Then, the catalyst (usually triethylamine) is blown into the core box to make the two-component resin react and then harden the sand core.

[0003] In the prior art, such as the sand injection device of a metallurgical cold-box core making machine disclosed in patent CN218656719U, cold core sand is delivered to the inside of the spray head, high-pressure gas is generated by a gas pump, and the gas is delivered to the inside of the gas ring through a connecting pipe, and the gas is obliquely sprayed into the inside of the spray head through the obliquely arranged gas outlet, so as to efficiently spray the cold core sand into the inside of the core making machine, and the working efficiency of the sand injection device is higher.

[0004] The above-mentioned technology filters out larger particles in the cold core sand through the sieve hole, and then discharges the waste through the waste hopper, to avoid clogging the sand injection pipe. However, the larger particles discharged are not effectively utilized, and manual transfer and re-pulverization are still required before they can be put into use, which increases the labor cost and time cost.

[0005] Therefore, the present application provides a sand injection device of core shooter for sand injection. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the shortcomings in the prior art and provides a sand injection device of core shooter for sand injection.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] A sand injection device of core shooter for sand injection, comprising a base, a filter box and a sand injector body are fixedly installed on the top surface of the base and are in communication, a filter plate is obliquely installed in the filter box, a plurality of vibration motors are installed on the bottom surface of the filter plate, a fixing seat is fixedly installed on the top surface of the base, a feeding mechanism is installed on the top surface of the fixing seat and is in communication with the filter box, a hopper is arranged on the top surface of the filter box, the hopper is in communication with the filter box through a communication pipe, a pulverizing mechanism is arranged on the top surface of the hopper and is in communication with the feeding mechanism, a dredging mechanism is arranged on the top surface of the hopper and is driven by the pulverizing mechanism.

[0009] Preferably, the feeding mechanism comprises a feeding cylinder, the feeding cylinder is fixedly installed on the top surface of the fixed seat, a feeding shaft is rotationally connected in the feeding cylinder, helical blades are installed on the outer side of the feeding shaft, a first motor is fixedly installed on the top surface of the feeding cylinder, the output shaft of the first motor penetrates through the feeding cylinder and is connected with the feeding shaft, and the feeding cylinder is connected with the filtering box through a feeding pipe.

[0010] Preferably, the crushing mechanism comprises a crushing box, the crushing box is fixedly installed on the top surface of the hopper, two crushing rollers are symmetrically rotationally connected in the crushing box, a gear box is fixedly installed on the outer side of the crushing box, two gears are installed in the gear box and are in engagement, a second motor is fixedly installed on the outer side of the gear box, the output shaft of the second motor penetrates through the gear box and is connected with one of the gears, the crushing box is connected with the feeding cylinder through a discharging pipe, and the crushing box is connected with the hopper.

[0011] Preferably, the dredging mechanism comprises a connecting shaft, the connecting shaft is rotationally connected on the outer side of the crushing box, the crushing box is coaxially connected with one of the crushing rollers, a cam is installed on the connecting shaft, a dredging rod is elastically and slidably connected in the hopper, the cam abuts against the top end of the dredging rod, and the dredging rod is inserted into the connecting opening of the hopper and the connecting pipe.

[0012] Preferably, two fixed plates are symmetrically installed on the outer side of the crushing box, a fixed disc is fixedly installed on the outer side of the dredging rod, a spring telescopic rod is fixedly installed at the bottom end of each fixed plate, and the other end of each spring telescopic rod is fixedly connected with the top surface of the fixed disc.

[0013] Preferably, the diameter of the dredging rod is smaller than the diameter of the connecting pipe.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model discloses a filtering plate, a vibrating motor, a feeding mechanism, a crushing mechanism and other devices, which realize the vibrating motor to increase the filtering efficiency of the filtering plate, reduce the blockage of the filtering plate, and make the large cold core sand filtered into the crushing mechanism through the feeding mechanism, then be crushed by the crushing mechanism and enter the hopper, and finally participate in the injection of the core shooting machine again, thereby saving labor cost and time cost.

[0016] 2. The utility model discloses a dredging mechanism and other devices, which realize the operation of the dredging mechanism when the crushing mechanism is running, thereby dredging the connecting opening of the hopper and the connecting pipe, and avoiding the blockage of the hopper caused by the different sizes of the cold core sand. DRAWINGS

[0017] Fig. 1 The utility model discloses a structure diagram of a core shooting machine sand injection device convenient for sand injection.

[0018] Fig. 2 A kind of sand injection device's conveying mechanism structural schematic view of the core shooter of the utility model is provided;

[0019] Fig. 3 A kind of dredging mechanism structural schematic view of the core shooter of the utility model is provided;

[0020] In the drawing: 1, base;2, filter box;3, fixed seat;4, sand injector body;5, conveying mechanism;51, conveying cylinder;52, conveying shaft;53, spiral blade;54, first motor;55, discharge pipe;56, feed pipe;6, crushing mechanism;61, crushing box;62, gear box;63, crushing roller;64, gear;65, second motor;7, hopper;71, communication pipe;8, dredging mechanism;81, link shaft;82, cam;83, fixed plate;84, spring telescopic rod;85, dredging rod;86, fixed disc;9, filter plate;91, vibration motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] As Figs. 1-3 shown, the core shooter sand injection device of the utility model is convenient for sand injection, comprising a base 1, the top surface of the base 1 is fixedly provided with a filter box 2 and a sand injector body 4, and the filter box 2 is communicated with the sand injector body 4, the filter box 2 is provided with a filter plate 9, and the bottom surface of the filter plate 9 is provided with a plurality of vibration motors 91.

[0023] The top surface of the base 1 is fixedly provided with a fixed seat 3, the top surface of the fixed seat 3 is provided with a conveying mechanism 5, and the conveying mechanism 5 is communicated with the filter box 2;The top surface of the filter box 2 is provided with a hopper 7, and the hopper 7 is communicated with the filter box 2 through a communication pipe 71;The top surface of the hopper 7 is provided with a crushing mechanism 6, and the conveying mechanism 5 is communicated with the crushing mechanism 6;The top surface of the hopper 7 is provided with a dredging mechanism 8, and the dredging mechanism 8 is driven by the crushing mechanism 6.

[0024] It should be noted that the sand injector body 4 is specifically provided in the comparative document, which will not be repeated here, and the filtering efficiency of the filter plate 9 can be improved by the plurality of vibration motors 91.

[0025] The feeding mechanism 5 comprises a feeding cylinder 51, the feeding cylinder 51 is fixedly installed on the top surface of the fixed seat 3, a feeding shaft 52 is rotationally connected in the feeding cylinder 51, a spiral blade 53 is installed on the outer side of the feeding shaft 52, a first motor 54 is fixedly installed on the top surface of the feeding cylinder 51, and the output shaft of the first motor 54 penetrates through the feeding cylinder 51 and is connected with the feeding shaft 52, the feeding cylinder 51 is connected with the filter box 2 through a feeding pipe 56, and the cold core sand can be driven to be fed from bottom to top through the spiral blade 53.

[0026] The crushing mechanism 6 comprises a crushing box 61, the crushing box 61 is fixedly installed on the top surface of the hopper 7, two crushing rollers 63 are rotationally connected in the crushing box 61 in a symmetrical mode, a gear box 62 is fixedly installed on the outer side of the crushing box 61, two gears 64 are installed in the gear box 62 and are engaged with each other, a second motor 65 is fixedly installed on the outer side of the gear box 62, the output shaft of the second motor 65 penetrates through the gear box 62 and is connected with one of the gears 64, the crushing box 61 is connected with the feeding cylinder 51 through a discharging pipe 55, and the crushing box 61 is connected with the hopper 7.

[0027] The dredging mechanism 8 comprises a connecting shaft 81, the connecting shaft 81 is rotationally connected on the outer side of the crushing box 61, and the crushing box 61 is coaxially connected with one of the crushing rollers 63; a cam 82 is installed on the connecting shaft 81, a dredging rod 85 is elastically and slidably connected in the hopper 7, the cam 82 abuts against the top end of the dredging rod 85, the dredging rod 85 is inserted in the connecting pipe 71 and the connecting opening of the hopper 7, and the diameter of the dredging rod 85 is smaller than the diameter of the connecting pipe 71.

[0028] Two fixed plates 83 are symmetrically installed on the outer side of the crushing box 61, a fixed disc 86 is fixedly installed on the outer side of the dredging rod 85, a spring telescopic rod 84 is fixedly installed at the bottom end of each fixed plate 83, and the other end of each spring telescopic rod 84 is fixedly connected with the top surface of the fixed disc 86, so that the dredging rod 85 can be reset through the plurality of spring telescopic rods 84.

[0029] The working principle of the utility model is as follows:

[0030] Firstly, the staff injects the cold core sand into the hopper 7 through the opening of the hopper 7, then the cold core sand enters into the filter box 2 through the communicating pipe 71, and with the starting of the vibration motor 91, the cold core sand machine core is filtered through the filter plate 9, and the filtered cold core sand falls into the sand shooter body 4, so as to carry out the subsequent sand shooting work through the sand shooter body 4.

[0031] Meanwhile, the filtered large cold core sand enters into the feeding cylinder 51 through the feeding pipe 56, and with the starting of the first motor 54, the feeding shaft 52 is driven to rotate, so that the spiral blade 53 is rotated to drive the cold core sand in the feeding cylinder 51 to be upwardly conveyed and discharged to the crushing mechanism 6 through the discharge pipe 55.

[0032] Then the second motor 65 is started, and with the cooperation of the two gears 64, the two crushing rollers 63 are driven to rotate, so as to crush the large cold core sand again and fall into the hopper 7. With the rotation of the crushing roller 63, the connecting shaft 81 is rotated to drive the cam 82 to rotate, and through the abutting of the cam 82 and the top end of the dredging rod 85 and the cooperation of the spring telescopic rod 84, the dredging rod 85 is reciprocatingly slid up and down, so as to avoid the blockage of the hopper 7 when conveying the cold core sand due to the different sizes of the cold core sand.

[0033] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sand-shooting device for a core shooter that facilitates sand injection, characterized in that: The utility model provides a sand filter, including base (1), the top surface of base (1) is fixedly installed with filter box (2) and sand shooter body (4) respectively, and filter box (2) is linked with sand shooter body (4), the inside of filter box (2) is installed with filter plate (9) obliquely, the bottom surface of filter plate (9) is installed with a plurality of vibration motor (91), the top surface of base (1) is fixedly installed with fixed seat (3), the top surface of fixed seat (3) is installed with feed mechanism (5), and feed mechanism (5) is linked with filter box (2), the top surface of filter box (2) is provided with hopper (7), hopper (7) is linked with filter box (2) inside through communicating pipe (71), the top surface of hopper (7) is equipped with crushing mechanism (6), and feed mechanism (5) is linked with crushing mechanism (6), the top surface of hopper (7) is equipped with dredging mechanism (8), and dredging mechanism (8) is driven through crushing mechanism (6).

2. A core shooter sand injection apparatus for facilitating sand injection as defined in claim 1, wherein: The feed mechanism (5) includes a feed cylinder (51) fixedly installed on the top surface of the fixed seat (3), a feed shaft (52) rotatably connected in the feed cylinder (51), a spiral blade (53) installed on the outer side of the feed shaft (52), a first motor (54) fixedly installed on the top surface of the feed cylinder (51), an output shaft of the first motor (54) penetrating through the feed cylinder (51) and connected with the feed shaft (52), and the feed cylinder (51) being communicated with the filter box (2) through a feed pipe (56).

3. A core shooter sand injection apparatus for facilitating sand injection as defined in claim 2, wherein: The crushing mechanism (6) includes a crushing box (61) fixedly installed on the top surface of the hopper (7), two crushing rollers (63) symmetrically rotatably connected in the crushing box (61), a gear box (62) fixedly installed on the outer side of the crushing box (61), two gears (64) meshing with each other installed in the gear box (62), a second motor (65) fixedly installed on the outer side of the gear box (62), an output shaft of the second motor (65) penetrating through the gear box (62) and connected with one of the gears (64), the crushing box (61) being communicated with the feed cylinder (51) through a discharge pipe (55), and the crushing box (61) being communicated with the hopper (7).

4. A sand injection apparatus for a core shooter for facilitating sand injection in accordance with claim 3, wherein: The dredging mechanism (8) includes a connecting shaft (81) rotatably connected on the outer side of the crushing box (61), a cam (82) installed on the connecting shaft (81), a dredging rod (85) elastically and slidably connected in the hopper (7), the cam (82) abutting against the top end of the dredging rod (85), and the dredging rod (85) being inserted in the communication opening of the hopper (7) and the communicating pipe (71).

5. A sand injection apparatus for a core shooter for facilitating sand injection in accordance with claim 4, wherein: Two fixed plates (83) are symmetrically installed on the outer side of the crushing box (61), a fixed disc (86) is fixedly installed on the outer side of the dredging rod (85), a spring telescopic rod (84) is fixedly installed at the bottom end of each fixed plate (83), and the other end of each spring telescopic rod (84) is fixedly connected with the top surface of the fixed disc (86).

6. A sand injection apparatus for a core shooter for facilitating sand injection in accordance with claim 5, wherein: The diameter of the dredging rod (85) is smaller than the diameter of the communicating pipe (71).

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