High-efficiency sand loosening device

Abstract

The utility model discloses a high-efficiency sand loosening device, which belongs to the field of casting equipment and comprises a plurality of bases and a belt conveyor. An overturning sand pouring mechanism used for overturning the casting mold conveyed by the belt conveyor to pour out casting sand is mounted on the front side base station; a beating and discharging mechanism used for beating the back of the casting mold rotated by the overturning sand pouring mechanism so as to completely pour out casting sand in the casting mold is mounted on the rear side base station; a sand loosening mechanism used for loosening and filtering dumped foundry sand is mounted on the middle base station; the overturning sand pouring mechanism comprises a rotary driving assembly, a clamping assembly and a placing plate; by means of the mode, casting sand in a casting mold can be directly, continuously and automatically poured into the sand loosening mechanism by additionally arranging the overturning sand pouring mechanism.

Description

Technical Field

[0001] This utility model relates to the field of casting equipment, specifically to a high-efficiency sand loosening device. Background Technology

[0002] A sand loosening machine is a piece of equipment used to process sand molds, sand cores, and other materials in metal casting. It is mainly used for sand loosening and demolding processes in the preparation of sand molds and sand cores, and is one of the important production equipment in the casting industry. Current new equipment pays more attention to energy saving and efficiency, adopting high-efficiency motors and optimized designs to reduce energy consumption and improve sand loosening efficiency.

[0003] Chinese patent CN218425429U discloses an improved sand loosening machine, comprising: a base, a sand loosening box fixedly installed on the upper part of the base via a first support plate, a feed hopper connected to the top of the sand loosening box, a fixing rod fixedly installed on the inner wall of the sand loosening box, an mounting plate fixedly installed on the fixing rod, a sand loosening mechanism installed on the mounting plate, a second support plate fixedly installed on one side of the outer wall of the sand loosening box, and a drying component fixedly installed on the second support plate. The drying component can cooperate with the sand loosening mechanism to dry the sand during the sand loosening process. A filtering mechanism is installed inside the sand loosening box, located below the sand loosening mechanism, achieving the dual effect of dispersing and drying simultaneously, improving the sand quality, avoiding secondary agglomeration of the discharged material, and filtering out impurities or a few undispersed sand lumps in the sand, further improving the sand quality, avoiding the need for separate screening and filtration later, and improving production efficiency. However, this device still has the following problems:

[0004] When loosening the sand, the casting sand needs to be manually removed from the casting mold and poured into the sand inlet. The inlet is small and inconvenient to pour. At the same time, the casting sand is compacted in the mold, making it impossible to pour it out completely.

[0005] Based on this, the present invention designs a high-efficiency sand loosening device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a high-efficiency sand loosening device.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A high-efficiency sand loosening device includes multiple bases and a belt conveyor;

[0009] A flipping and sand-pouring mechanism is installed on the front base for flipping the casting mold conveyed by the belt conveyor to pour out the casting sand.

[0010] The rear base is equipped with a hammering feeding mechanism for hammering the back of the casting mold after the sand-pouring mechanism has rotated, so that the casting sand inside the casting mold is completely poured out.

[0011] A sand-loosening mechanism for loosening and filtering the poured foundry sand is installed on the intermediate base.

[0012] The sand-tilting mechanism includes a rotary drive assembly, a clamping assembly, and a placement plate; both the rotary drive assembly and the clamping assembly are connected to the front base; both the rotary drive assembly and the clamping assembly are connected to the placement plate; the placement plate is used to place the casting mold; the clamping assembly is used to clamp and fix the casting mold; and the rotary drive assembly is used to drive the placement plate to rotate and tilt the casting sand.

[0013] Furthermore, the rotary drive assembly includes a rotary cylinder and a rotating shaft; the rotary cylinder is fixedly connected to the front base; the rotating shaft is fixedly connected to the drive end of the rotary cylinder and to the placement plate.

[0014] Furthermore, the clamping assembly includes a fixed plate, a movable plate, and a clamping cylinder; the fixed plate is fixedly connected to the upper end of the placement plate; the movable plate is slidably connected to the placement plate through a limiting groove opened on the placement plate; the movable plate is fixedly connected to the drive end of the clamping cylinder, and the clamping cylinder is fixedly connected to the front end of the placement plate.

[0015] Furthermore, the hammering feeding mechanism includes a fixed frame, a limit drive assembly, a hammering drive assembly, and a hammering assembly; the lower end of the fixed frame is fixedly connected to the rear base; both the fixed frame and the rear base are connected to the limit drive assembly; both the hammering drive assembly and the hammering assembly are connected to the fixed frame; and the hammering drive assembly and the hammering assembly are connected.

[0016] Furthermore, the limiting drive assembly includes a slide rail, a slider, and a linear module; the lower ends of both the slide rail and the linear module are fixedly connected to the upper end of the rear base, and the slide rail and the slider are slidably connected for limiting; the driving ends of both the slider and the linear module are fixedly connected to the fixing frame.

[0017] Furthermore, the striking drive assembly includes a motor and a cam; the lower end of the motor is fixedly connected to the fixed frame; the driving end of the motor is fixedly connected to the cam; the cam is connected to the striking drive assembly; and the driving end of the motor is rotatably connected to the fixed frame.

[0018] Furthermore, the striking assembly includes a hinge shaft, a connecting rod, a striking block, and a limiting block; the hinge shaft is fixedly connected to the cam, and the upper end of the connecting rod is hinged to the hinge shaft; the lower end of the connecting rod is hinged to the upper end of the striking block; the limiting block is fixedly connected to the fixing frame; the striking block is slidably connected to the limiting block through a limiting groove opened on the limiting block.

[0019] Furthermore, the sand loosening mechanism includes a shell, a sand loosening component, a filter screen, and a discharge port; the lower end of the shell is fixedly connected to the intermediate base; the sand loosening component is connected to the shell and the filter screen; the discharge port is fixedly installed at the lower end of the shell; and the filter screen is fixedly connected to the inner wall of the shell.

[0020] Compared with the prior art, the advantages of this utility model are as follows: 1. This utility model can realize the direct, continuous and automatic pouring of casting sand in the casting mold into the loosening sand mechanism by adding a flipping sand pouring mechanism.

[0021] 2. This utility model can achieve the goal of completely removing casting sand from the casting mold by striking the material feeding mechanism. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This utility model provides a three-dimensional high-efficiency sand loosening device. Figure 1 ;

[0024] Figure 2 This is a front view of a high-efficiency sand loosening device according to the present invention;

[0025] Figure 3 This utility model provides a three-dimensional high-efficiency sand loosening device. Figure 2 ;

[0026] Figure 4 This is a partial three-dimensional representation of a high-efficiency sand loosening device according to the present invention. Figure 1 ;

[0027] Figure 5 This is a partial three-dimensional representation of a high-efficiency sand loosening device according to the present invention. Figure 2 ;

[0028] Figure 6 for Figure 3 Enlarged view of point A in the middle.

[0029] The labels in the diagram represent:

[0030] 1. Base; 2. Tilting and sand-pouring mechanism; 21. Rotary drive assembly; 211. Rotary cylinder; 212. Rotating shaft one; 22. Clamping assembly; 221. Fixed plate; 222. Moving plate; 223. Clamping cylinder; 23. Placement plate; 3. Hammering and unloading mechanism; 31. Fixed frame; 32. Limit drive assembly; 321. Slide rail; 322. Slider; 323. Linear module; 33. Hammering drive assembly; 331. Motor one; 332. Cam; 34. Hammering assembly; 341. Hinge shaft; 342. Connecting rod; 343. Hammering block; 344. Limiting block; 4. Sand loosening mechanism; 41. Housing; 42. Sand loosening assembly; 421. Motor two; 422. Reversing assembly; 423. Rotating shaft two; 424. Sand loosening slurry; 43. Filter screen; 44. Unloading port; 5. Belt conveyor. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0032] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0033] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-6 A high-efficiency sand loosening device includes multiple bases 1 and belt conveyors 5;

[0034] The front base 1 is equipped with a flipping and sand-pouring mechanism 2 for flipping the casting mold conveyed by the belt conveyor 5 to pour out the casting sand.

[0035] The rear base 1 is equipped with a hammering and unloading mechanism 3 for hammering the back of the casting mold after the sand-pouring mechanism 2 has rotated, so that the casting sand inside the casting mold is completely poured out.

[0036] The intermediate base 1 is equipped with a sand loosening mechanism 4 for loosening and filtering the poured casting sand.

[0037] The sand-pouring and tilting mechanism 2 includes a rotary drive assembly 21, a clamping assembly 22, and a placement plate 23; both the rotary drive assembly 21 and the clamping assembly 22 are connected to the front base 1; both the rotary drive assembly 21 and the clamping assembly 22 are connected to the placement plate 23; the placement plate 23 is used to place the casting mold; the clamping assembly 22 is used to clamp and fix the casting mold; the rotary drive assembly 21 is used to drive the placement plate 23 to rotate and tilt the casting sand.

[0038] In this invention, the belt conveyor 5 transports the casting mold after the casting part has been removed to the placement plate 23, and then the clamping assembly 22 clamps and fixes the casting mold; then the rotary drive assembly 21 drives the clamping assembly 22 to rotate and pour the casting sand into the sand loosening mechanism 4; then the tapping feeding mechanism 3 starts and repeatedly taps the back of the casting mold to completely pour out the casting sand, while the sand loosening mechanism 4 starts to loosen and filter the casting sand; after the casting sand is completely poured out, the rotary drive assembly 21 drives the clamping assembly 22 to reset, and then the placement plate 23 releases the clamping of the casting mold, and the belt conveyor 5 continues to transport the casting mold;

[0039] The rotary drive assembly 21 includes a rotary cylinder 211 and a rotating shaft 212; the rotary cylinder 211 is fixedly connected to the front base 1; the rotating shaft 212 is fixedly connected to the drive end of the rotary cylinder 211 and is fixedly connected to the placement plate 23.

[0040] The clamping assembly 22 includes a fixed plate 221, a movable plate 222, and a clamping cylinder 223; the fixed plate 221 is fixedly connected to the upper end of the placement plate 23; the movable plate 222 is slidably connected to the placement plate 23; the movable plate 222 is fixedly connected to the driving end of the clamping cylinder 223; and the clamping cylinder 223 is fixedly connected to the front end of the placement plate 23.

[0041] In this utility model, the belt conveyor 5 transports the casting mold after the casting part is removed to the placement plate 23. Then, the clamping cylinder 223 drives the moving plate 222 to move backward and cooperate with the fixed plate 221 to clamp and fix the casting mold. Then, the rotating cylinder 211 drives the placement plate 23 to rotate around the rotating shaft 212 through the drive shaft 212. The placement plate 23 drives the casting mold to rotate and pour the casting sand into the sand loosening mechanism 4. At this time, the lower end of the side of the casting mold away from the rotating shaft 212 abuts against the upper end of the rear base 1, completing the fully automatic pouring of casting sand.

[0042] The hammering feeding mechanism 3 includes a fixed frame 31, a limit drive assembly 32, a hammering drive assembly 33, and a hammering assembly 34; the lower end of the fixed frame 31 is fixedly connected to the rear base 1; both the fixed frame 31 and the rear base 1 are connected to the limit drive assembly 32; both the hammering drive assembly 33 and the hammering assembly 34 are connected to the fixed frame 31; the hammering drive assembly 33 and the hammering assembly 34 are connected.

[0043] The limiting drive assembly 32 includes a slide rail 321, a slider 322, and a linear module 323; the lower ends of the slide rail 321 and the linear module 323 are fixedly connected to the upper end of the rear base 1, and the slide rail 321 and the slider 322 are slidably connected for limiting; the driving ends of the slider 322 and the linear module 323 are fixedly connected to the fixing frame 31.

[0044] The striking drive assembly 33 includes a motor 331 and a cam 332; the lower end of the motor 331 is fixedly connected to the fixed frame 31; the driving end of the motor 331 is fixedly connected to the cam 332; the cam 332 is connected to the striking drive assembly 33; and the driving end of the motor 331 is rotatably connected to the fixed frame 31.

[0045] The striking assembly 34 includes a hinge shaft 341, a connecting rod 342, a striking block 343, and a limiting block 344; the hinge shaft 341 is fixedly connected to the cam 332, the upper end of the connecting rod 342 is hinged to the hinge shaft 341; the lower end of the connecting rod 342 is hinged to the upper end of the striking block 343; the limiting block 344 is fixedly connected to the fixing frame 31; the striking block 343 is slidably connected to the limiting block 344 through a limiting groove opened on the limiting block 344.

[0046] In this utility model, when the placement plate 23 drives the casting mold to flip together, the lower end of the side of the casting mold away from the rotating shaft 212 abuts against the upper end of the rear base 1. Then, the linear module 323 drives the fixing frame 31 to slide forward, and the fixing frame 31 drives the slider 322 to slide at the upper limit of the slide rail 321. Then, the motor 331 drives the cam 332 to rotate, and the cam 332 drives the striking block 343 to slide up and down in the limiting block 344 through the connecting rod 342. At this time, the lower end of the striking block 343 continuously strikes the rear shell of the casting mold, so that the casting sand in the casting mold is completely poured into the sand loosening mechanism 4.

[0047] The sand loosening mechanism 4 includes a housing 41, a sand loosening component 42, a filter screen 43, and a discharge port 44; the lower end of the housing 41 is fixedly connected to the intermediate base 1; the sand loosening component 42 is connected to the housing 41 and the filter screen 43; the discharge port 44 is fixedly installed at the lower end of the housing 41; the filter screen 43 is fixedly connected to the inner side wall of the housing 41.

[0048] The sand loosening assembly 42 includes a second motor 421, a reversing assembly 422, a second rotating shaft 423, and a sand loosening paddle 424. The second motor 421 is fixedly installed on the outer wall of the outer casing 41. The drive end of the second motor 421 is fixedly connected to the input end of the reversing assembly 422, and the output end of the reversing assembly 422 is fixedly connected to the second rotating shaft 423. The second rotating shaft 423 is rotatably connected to the outer casing 41 through a connector and is rotatably connected to the filter screen 43. The second rotating shaft 423 is fixedly connected to the sand loosening paddle 424. The reversing assembly 422 adopts a gear reversing device.

[0049] In this utility model, when the placement plate 23 drives the casting mold to flip together, the casting sand is poured into the shell 41. The motor 421 drives the rotating shaft 423 through the reversing component 422 to drive the sand loosening paddle 424 to rotate. The rotation of the sand loosening paddle 424 loosens the casting sand and at the same time causes the casting sand above the filter screen 43 to flow, thereby increasing the rate at which the filter screen 43 filters the casting sand.

[0050] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A high-efficiency sand discharging device comprising a plurality of base stations (1) and a belt conveyor (5), characterized in that: It also includes a turnover sand pouring mechanism (2), a knocking and discharging mechanism (3) and a sand loosening mechanism (4); The front base (1) is provided with a turnover sand pouring mechanism (2) for overturning the casting mold conveyed by the belt conveyor (5) to pour out the casting sand; The rear base (1) is provided with a knocking and discharging mechanism (3) for knocking the back of the casting mold after being rotated by the turnover sand pouring mechanism (2) to completely pour out the casting sand in the casting mold; The middle base (1) is provided with a sand loosening mechanism (4) for loosening and filtering the poured casting sand. The turnover sand pouring mechanism (2) comprises a rotary driving assembly (21), a clamping assembly (22) and a placing plate (23); the rotary driving assembly (21) and the clamping assembly (22) are connected with the front base (1); the rotary driving assembly (21) and the clamping assembly (22) are connected with the placing plate (23); the placing plate (23) is used for placing the casting mold; the clamping assembly (22) is used for clamping and fixing the casting mold; the rotary driving assembly (21) is used for driving the placing plate (23) to rotate and pour out the casting sand.

2. The high-efficiency sifting device according to claim 1, characterized in that The rotary driving assembly (21) comprises a rotary cylinder (211) and a rotating shaft (212); the rotary cylinder (211) is fixedly connected with the front base (1); the rotating shaft (212) is fixedly connected with the driving end of the rotary cylinder (211), and the rotating shaft (212) is fixedly connected with the placing plate (23).

3. The high efficiency sander of claim 1, wherein, The clamping assembly (22) comprises a fixed plate (221), a moving plate (222) and a clamping cylinder (223); the fixed plate (221) is fixedly connected with the upper end of the placing plate (23); the moving plate (222) is limitingly and slidably connected with the placing plate (23) through a limiting groove formed in the placing plate (23); the moving plate (222) is fixedly connected with the driving end of the clamping cylinder (223), and the clamping cylinder (223) is fixedly connected with the front end of the placing plate (23).

4. The high efficiency sander of claim 1, wherein, The knocking and discharging mechanism (3) comprises a fixed frame (31), a limiting driving assembly (32), a knocking driving assembly (33) and a knocking assembly (34); the lower end of the fixed frame (31) is fixedly connected with the rear base (1); the fixed frame (31) and the rear base (1) are connected with the limiting driving assembly (32); the knocking driving assembly (33) and the knocking assembly (34) are connected with the fixed frame (31); the knocking driving assembly (33) and the knocking assembly (34) are connected.

5. The high efficiency sander of claim 4, wherein, The limiting driving assembly (32) comprises a sliding rail (321), a sliding block (322) and a linear module (323); the lower ends of the sliding rail (321) and the linear module (323) are fixedly connected with the upper end of the rear base (1); the sliding rail (321) is limitingly and slidably connected with the sliding block (322); the driving ends of the sliding block (322) and the linear module (323) are fixedly connected with the fixed frame (31).

6. The high efficiency sander of claim 4, wherein, The knocking driving assembly (33) comprises a motor (331) and a cam (332); the lower end of the motor (331) is fixedly connected with the fixed frame (31); the driving end of the motor (331) is fixedly connected with the cam (332); the cam (332) is connected with the knocking driving assembly (33); and the driving end of the motor (331) is rotatably connected with the fixed frame (31).

7. The high efficiency sander of claim 6, wherein, The knocking assembly (34) comprises a hinged shaft (341), a connecting rod (342), a knocking block (343) and a limiting block (344); the hinged shaft (341) is fixedly connected with the cam (332); the upper end of the connecting rod (342) is hingedly connected with the hinged shaft (341); the lower end of the connecting rod (342) is hingedly connected with the upper end of the knocking block (343); the limiting block (344) is fixedly connected with the fixed frame (31); and the knocking block (343) is limitingly and slidably connected with the limiting block (344) through a limiting sliding slot formed in the limiting block (344).

8. The high efficiency sander of claim 1, wherein, The sand loosening mechanism (4) comprises a shell (41), a sand loosening assembly (42), a filter screen (43) and a discharging port (44); the lower end of the shell (41) is fixedly connected with the middle base (1); the sand loosening assembly (42) is connected with the shell (41), and the sand loosening assembly (42) is connected with the filter screen (43); the lower end of the shell (41) is fixedly provided with the discharging port (44); and the filter screen (43) is fixedly connected with the inner side wall of the shell (41).

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