Shakeout device for core shooter

Abstract

The utility model provides a shakeout device for a core shooter, and relates to the technical field of core shooters, the shakeout device comprises a sand cylinder, a cover plate and a sand blasting head, the upper part of the left side of the sand cylinder is provided with a left material conveying channel, the upper part of the right side of the sand cylinder is provided with a right material conveying channel, the left material conveying channel and the right material conveying channel are both communicated with the sand cylinder, and the sand blasting head is arranged on the cover plate. A sand cylinder is arranged in the middle of the sand cylinder, a cover plate covers the upper end of the sand cylinder, a discharging hopper is arranged on the lower portion of the sand cylinder, a lower pipe head is arranged at the lower end of the discharging hopper, fixing frames are fixed to the left side and the right side of the middle of the sand cylinder, a sand blasting head is installed outside the lower pipe head, and the sand blasting head and the lower pipe head are detachably connected. According to the utility model, bidirectional rapid feeding is facilitated, sand can be stirred and crushed in the sand cylinder, adhered objects on the cylinder wall can be scraped off, the blanking of the blanking cylinder is stable and smooth so as to ensure stable sand blasting, and the cover plate, the sand cylinder and the sand blasting head are convenient to assemble or disassemble, convenient to clean, overhaul or replace, and more convenient and practical.

Description

Technical Field

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

[0002] The core shooting machine is a device that injects molding sand stably and evenly into the sand box to shape the molding sand. The sand shooting device is an important component of the core shooting machine. The quality of the sand shooting device is an important factor affecting the working efficiency of the core shooting machine. With the development of science and technology, the sand shooting device for core shooting machines has developed to a great extent.

[0003] In the manual of a sand shooting device for a core shooting machine in the prior art (publication number CN218425464U), it is mentioned that "a spray head is installed on the upper side of the main body shell, and a docking plate is provided on the lower side of the main body shell, a motor is installed in the middle of the docking plate, a sand plate is provided on the outer side of the spray head, and a buffer mechanism is provided between the sand plate and the main body shell, and the buffer mechanism includes a connecting pipe, a docking pipe, a buffer pad and a buffer spring". However, the sand shooting device in the prior art is inconvenient to feed, is prone to blockage and affects the stability of sand shooting, and is inconvenient to disassemble for cleaning or replace the sand blasting head structure, and is not convenient and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, a sand dropping device for a core shooting machine is provided to solve the problems that the sand shooting device in the prior art is inconvenient to feed, easy to get blocked and affect the stability of sand shooting, and inconvenient to disassemble and clean or replace the sand blasting head structure, which is not convenient and practical.

[0005] To achieve the above-mentioned purpose, a sand dropping device for a core shooting machine is provided, comprising a sand barrel, a cover plate and a sandblasting head, a left material feeding channel is arranged on the upper left portion of the sand barrel, and a right material feeding channel is arranged on the upper right portion of the sand barrel, the left material feeding channel and the right material feeding channel are both connected with the sand barrel, and the upper end cover of the sand barrel is provided with a cover plate, a lower hopper is arranged on the lower portion of the sand barrel, and a lower pipe head is arranged on the lower end of the lower hopper, and fixed frames are fixed on both sides of the middle of the sand barrel, a sandblasting head is installed outside the lower pipe head, and the sandblasting head and the lower pipe head are split and connected.

[0006] Furthermore, a feed hopper is provided at the upper end of the right feed channel, and a first motor is installed at the right end of the right feed channel, a first rotating shaft is installed at the front end of the first motor, and a first screw conveyor paddle is provided on the first rotating shaft.

[0007] Furthermore, the left material conveying channel and the right material conveying channel are bilaterally symmetrical about the center line of the sand cylinder, and the left material conveying channel and the right material conveying channel have the same structural arrangement.

[0008] Furthermore, a second motor is installed at the upper end of the cover plate, a second rotating shaft is installed at the lower end of the second motor, and side connecting plates are fixed on both sides of the upper left and right sides of the second rotating shaft, the other end of the side connecting plate is fixed on the scraper, and a stirring paddle and a crushing knife are arranged in the middle of the second rotating shaft, and the outer end of the scraper is just in contact with the inner wall of the sand cylinder.

[0009] Furthermore, a lower connecting shaft is fixed to the lower end of the second rotating shaft, a second screw conveying paddle is arranged on the lower connecting shaft, and the lower connecting shaft and the second screw conveying paddle are both located in the lower hopper.

[0010] Furthermore, the left and right parts of the lower tube head are both provided with a first screw hole, and the upper part of the sandblasting head is provided with an outer sleeve, the left and right parts of the outer sleeve are both provided with a second screw hole, and a fastening bolt is installed between the first screw hole and the second screw hole that are aligned inside and outside, and a sandblasting nozzle is provided at the lower end of the sandblasting head.

[0011] The beneficial effects of the utility model are:

[0012] 1. The arrangement of the left and right feeding channels in the utility model facilitates feeding sand into the sand barrel while the spiral conveying paddle rotates. Sand can be fed individually or in both directions, which is faster and more convenient. Not only is the feeding fast and stable, but also blockage can be avoided.

[0013] 2. The utility model is convenient to assemble or disassemble the cover plate and the sand barrel, and the installation is more convenient and trouble-free. The second motor is mainly used to rotate the second shaft to drive the scraper to stir the sand in the sand barrel, and the agglomerated sand is crushed by the crushing blade, and the sand adhered to the inner wall of the sand barrel is scraped off by the scraper; the sand in the lower hopper is transported to the sandblasting head while the lower connecting shaft and the second spiral conveying paddle are rotated, which is smoother and more convenient.

[0014] 3. The sandblasting head and the lower pipe head of the utility model are easy to assemble or disassemble, and can be easily disassembled for cleaning, maintenance or replacement, which is more convenient and saves trouble. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the sand barrel structure of an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the cover plate structure of an embodiment of the utility model;

[0019] Figure 5 The figure is a schematic diagram of the structure of a sandblasting head according to an embodiment of the present utility model.

[0020] In the figure: 1. sand cylinder; 10. fixed frame; 11. left feed channel; 12. right feed channel; 13. first rotating shaft; 14. first screw conveyor paddle; 15. first motor; 16. feed hopper; 17. lower hopper; 18. lower pipe head; 19. first screw hole; 2. cover plate; 20. second motor; 21. second rotating shaft; 22. side connecting plate; 23. scraper; 24. stirring paddle; 25. crushing knife; 26. lower connecting shaft; 27. second screw conveyor paddle; 3. sandblasting head; 30. outer sleeve; 31. second screw hole; 32. sandblasting nozzle. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 The sand barrel structure diagram of the utility model embodiment is as follows: Figure 4 The schematic diagram of the cover structure of the utility model embodiment and Figure 5 The figure is a schematic diagram of the structure of a sandblasting head according to an embodiment of the present utility model.

[0024] Reference Figures 1 to 5 As shown, the utility model provides a sand dropping device for a core shooting machine, comprising a sand barrel 1, a cover plate 2 and a sandblasting head 3, a left feeding channel 11 is arranged on the upper left side of the sand barrel 1, and a right feeding channel 12 is arranged on the upper right side of the sand barrel 1, the left feeding channel 11 and the right feeding channel 12 are both connected to the sand barrel 1, and the upper end cover of the sand barrel 1 is provided with a cover plate 2, a lower hopper 17 is arranged on the lower part of the sand barrel 1, and a lower pipe head 18 is arranged on the lower end of the lower hopper 17, and fixing frames 10 are fixed on both sides of the middle part of the sand barrel 1, a sandblasting head 3 is installed outside the lower pipe head 18, and the sandblasting head 3 and the lower pipe head 18 are split and connected.

[0025] In this embodiment, a feed hopper 16 is provided at the upper end of the right feed channel 12, and a first motor 14 is installed at the right end of the right feed channel 12, a first rotating shaft 13 is installed at the front end of the first motor 14, and a first screw conveyor paddle 15 is provided on the first rotating shaft 13; the left feed channel 11 and the right feed channel 12 are symmetrical about the center line of the sand cylinder 1, and the left feed channel 11 and the right feed channel 12 have the same structural setting.

[0026] As a preferred embodiment, the arrangement of the left feed channel 11 and the right feed channel 12 in the utility model facilitates the feeding of sand into the sand barrel 1 by rotating the spiral conveying paddle. Sand can be fed individually or in both directions, which is faster and more convenient. Not only is the feeding fast and stable, but also blockage is avoided.

[0027] In this embodiment, a second motor 20 is installed at the upper end of the cover plate 2, a second rotating shaft 21 is installed at the lower end of the second motor 20, and side connecting plates 22 are fixed on both sides of the upper left and right sides of the second rotating shaft 21, the other end of the side connecting plate 22 is fixed on the scraper 23, and a stirring paddle 24 and a crushing knife 25 are provided in the middle of the second rotating shaft 21, and the outer end of the scraper 23 is just in contact with the inner wall of the sand cylinder 1; a lower connecting shaft 26 is fixed to the lower end of the second rotating shaft 21, a second screw conveying paddle 27 is provided on the lower connecting shaft 26, and the lower connecting shaft 26 and the second screw conveying paddle 27 are both located in the lower hopper 17.

[0028] As a preferred embodiment, the cover plate 2 and the sand barrel 1 are easy to assemble or disassemble in the utility model, and the installation is more convenient and trouble-free. The second motor 20 is mainly used to rotate to the second rotating shaft 21, driving the scraper 23 to stir the sand in the sand barrel 1, and the agglomerated sand is crushed by the crushing knife 25, and the sand adhered to the inner wall of the sand barrel 1 is scraped off by the scraper 23; the sand in the lower hopper 17 is transported to the sandblasting head 3 while rotating through the lower connecting shaft 26 and the second spiral conveying paddle 27, which is smoother and more convenient.

[0029] In this embodiment, the left and right parts of the lower tube head 18 are both provided with a first screw hole 19, and the upper part of the sandblasting head 3 is provided with an outer sleeve 30, the left and right parts of the outer sleeve 30 are both provided with a second screw hole 31, and a fastening bolt is installed between the first screw hole 19 and the second screw hole 31 that are aligned inside and outside, and a sandblasting nozzle 32 is provided at the lower end of the sandblasting head 3.

[0030] As a preferred embodiment, the sandblasting head 3 and the lower pipe head 18 in the utility model are easy to assemble or disassemble, and can be easily disassembled for cleaning, maintenance or replacement, which is more convenient and saves trouble.

[0031] The utility model can effectively solve the problems in the prior art that the sand blasting device is inconvenient to feed, is prone to blockage and affects the stability of sand blasting, is inconvenient to disassemble for cleaning or to replace the sand blasting head structure, and is not convenient and practical. The utility model facilitates rapid two-way feeding, and the sand material can be stirred and crushed in the sand barrel while the adherent matter on the barrel wall is scraped off, and the discharge of the discharge barrel is stable and smooth to ensure stable sand blasting, and the cover plate, the sand barrel and the sand blasting head are easy to assemble or disassemble, easy to clean, repair or replace, and more convenient and practical.

[0032] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A sand dropping device for a core shooting machine, characterized in that: The invention comprises a sand barrel (1), a cover plate (2) and a sandblasting head (3); a left material delivery channel (11) is arranged on the upper left side of the sand barrel (1), and a right material delivery channel (12) is arranged on the upper right side of the sand barrel (1); the left material delivery channel (11) and the right material delivery channel (12) are both connected to the sand barrel (1); the upper end of the sand barrel (1) is covered with a cover plate (2); a lower hopper (17) is arranged on the lower part of the sand barrel (1), and a lower pipe head (18) is arranged on the lower end of the lower hopper (17); fixed frames (10) are fixed on both left and right sides of the middle part of the sand barrel (1); a sandblasting head (3) is installed outside the lower pipe head (18), and the sandblasting head (3) and the lower pipe head (18) are detachably connected.

2. A sand dropping device for a core shooting machine according to claim 1, characterized in that: A feed hopper (16) is provided at the upper end of the right material conveying channel (12), and a first motor (14) is installed at the right end of the right material conveying channel (12). A first rotating shaft (13) is installed at the front end of the first motor (14), and a first screw conveying paddle (15) is provided on the first rotating shaft (13).

3. A sand dropping device for a core shooting machine according to claim 1, characterized in that: The left material conveying channel (11) and the right material conveying channel (12) are symmetrical about the center line of the sand cylinder (1), and the left material conveying channel (11) and the right material conveying channel (12) have the same structural arrangement.

4. A sand dropping device for a core shooting machine according to claim 1, characterized in that: A second motor (20) is mounted on the upper end of the cover plate (2), a second rotating shaft (21) is mounted on the lower end of the second motor (20), and side connecting plates (22) are fixed to both left and right sides of the upper portion of the second rotating shaft (21), the other end of the side connecting plate (22) is fixed to a scraper (23), a stirring paddle (24) and a crushing blade (25) are arranged in the middle of the second rotating shaft (21), and the outer end of the scraper (23) is in contact with the inner wall of the sand cylinder (1).

5. A sand dropping device for a core shooting machine according to claim 4, characterized in that: A lower connecting shaft (26) is fixed to the lower end of the second rotating shaft (21), a second screw conveying paddle (27) is arranged on the lower connecting shaft (26), and both the lower connecting shaft (26) and the second screw conveying paddle (27) are located in the lower hopper (17).

6. A sand dropping device for a core shooting machine according to claim 1, characterized in that: The left and right parts of the lower pipe head (18) are both provided with a first screw hole (19), and the upper part of the sandblasting head (3) is provided with an outer sleeve (30), and the left and right parts of the outer sleeve (30) are both provided with a second screw hole (31), and a fastening bolt is installed between the first screw hole (19) and the second screw hole (31) which are aligned inside and outside, and a sandblasting nozzle (32) is provided at the lower end of the sandblasting head (3).

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