Sand rolling device for metal casting

By designing an automated sand compaction device for metal casting, which uses a motor-driven rotating rod and compaction roller for compaction, and screening and circulating cylinder to transport incomplete sand, the problem of low efficiency of existing devices is solved, and a highly efficient and automated sand compaction process is realized.

CN223811519UActive Publication Date: 2026-01-20泊头市丰裕精密铸造有限公司
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Patent Information

Application Number
CN202520430753.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-20
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing metal casting sand compaction equipment requires manual screening and reloading of incompletely compacted metal sand, resulting in low efficiency.

Method used

A device including a crushing box, a screening mechanism, a circulating cylinder, and a motor drive was designed. The motor drives the rotating rod and crushing roller to crush the metal sand, the screening screen performs screening, and the circulating cylinder and discharge pipe realize the automatic re-transport and re-crushing of incomplete metal sand, avoiding manual handling.

Benefits of technology

It improves the compaction efficiency of sand for metal casting, reduces manual intervention, realizes an automated sand compaction process, and enhances production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223811519U_ABST
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Abstract

The utility model relates to the technical field of metal casting, and discloses a sand rolling device for metal casting, which comprises a rolling box, a feeding opening is arranged at the top end of the rolling box, a feeding hopper is fixedly connected inside the feeding opening, a circulating opening is arranged at one end of the rolling box, and a sand outlet is arranged at the other end of the rolling box. One end of the circulating opening is fixedly connected with a material pouring box, the bottom end and the top end of the material pouring box are fixedly connected with circulating cylinders, the bottom end of the circulating cylinder located on the lower side is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a rotating shaft. And the metal sand is conveyed into the rolling box again and is rolled and screened again, the situation that the metal sand which is not completely rolled is manually and repeatedly carried back and forth is avoided, and the rolling efficiency of the metal casting sand is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal casting technical field, concretely is a kind of sand roller compaction device for metal casting. BACKGROUND

[0002] Sand casting is a traditional casting method, it uses sand mould to form the shape of metal parts, sand casting is suitable for parts of various shapes, sizes and complexity, material source is extensive, production preparation cycle is short, cost is relatively low, is widely used in various metal parts of automobile, mechanical manufacturing, aerospace and other industries.In the casting demoulding, sand will stick together, need to use roller compaction device to carry out comminution, can be casted again.

[0003] The existing sand roller compaction device for metal casting is usually rolled by two roller compaction rollers when sand is rolled, but in actual use, the incompletely crushed metal needs to be screened by a screen, and the metal is re-input into the equipment by manual reduction and re-rolled, so that manual input of incompletely rolled metal is required, and the equipment needs to stop operation, which greatly reduces the efficiency of sand roller compaction for metal casting, therefore, a sand roller compaction device for metal casting is proposed, which re-transport the incompletely rolled metal to the equipment after screening. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a sand roller compaction device for metal casting.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a sand roller compaction device for metal casting, including roller compaction box, the top end of roller compaction box is provided with feeding opening, the inside of feeding opening is fixedly connected with feeding hopper, one end of roller compaction box is provided with circulation opening, one end of circulation opening is fixedly connected with pouring box, the bottom end and top end of pouring box are fixedly connected with circulation cylinder, the bottom end of circulation cylinder on the lower side is fixedly connected with first motor, the output end of first motor is fixedly connected with rotating shaft, the top end of rotating shaft extends to the top end of circulation cylinder on the upper side and is rotatably connected with the top end in the inside of circulation cylinder, the outer wall of rotating shaft is fixedly connected with discharge pump;

[0008] The inside of roller compaction box is fixedly installed with screening mechanism;

[0009] One end of the circulating cylinder is provided with a discharge opening, a discharge pipeline is fixedly installed in the discharge opening, one end of the rolling box is fixedly connected with a second motor, two rotating through holes are formed in one end of the rolling box, rotating rods are rotatably connected in the two rotating through holes, rotating gears are fixedly connected to one ends of the two rotating rods, the two rotating gears are engaged with each other, one end of one of the rotating rods is fixedly connected with the output end of the second motor, one end of the other rotating rod is rotatably connected with one end in the rolling box, and rolling rollers are fixedly connected to outer walls of the two rotating rods.

[0010] Preferably, the screening mechanism comprises a third motor, both ends in the rolling box are fixedly connected with reset blocks, reset grooves are formed in top ends of the two reset blocks, reset sliding rods are slidably connected in the two reset grooves, reset springs are arranged between bottom ends of the two reset sliding rods and bottom ends in the two reset grooves, a screening frame is fixedly connected between top ends of the two reset sliding rods, a screening net is fixedly installed in the screening frame, one end of the third motor is fixedly connected with one end of the rolling box, and the output end of the third motor extends into the rolling box and is fixedly connected with a circular arc block.

[0011] Preferably, one end of the rolling box is fixedly connected with a fourth motor, the output end of the fourth motor is fixedly connected with a rotating screw rod, the other end of the rotating screw rod extends into the rolling box and is rotatably connected with one end in the rolling box, rotating screw sleeves are screwed on the outer wall of the rotating screw rod, and the bottom end of the rotating screw sleeve is fixedly connected with a pushing block.

[0012] Preferably, both ends in the rolling box are provided with sliding grooves, sliding blocks are slidably connected in the two sliding grooves, and a storage drawer is fixedly connected between the two sliding blocks.

[0013] Preferably, the bottom end of the rolling box is fixedly connected with movable casters at four corners.

[0014] Preferably, one end of the storage drawer is fixedly connected with a pushing handle.

[0015] Preferably, one end of the rotating screw sleeve is provided with a limiting through hole, limiting rods are slidably connected in the two limiting through holes, and both ends of the two limiting rods are fixedly connected with both ends in the rolling box.

[0016] Preferably, a flow guide block is fixedly connected between both ends in the rolling box.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the sand rolling device for metal casting has the following beneficial effects:

[0019] The metal casting sand rolling device, through the metal sand is poured into the inside of the rolling box through the feeding hopper, then the metal sand is rolled by the cooperation of the second motor, the rotating rod, the rotating gear, the other rotating rod and the rolling roller, and then the metal sand is screened by the screening net, the metal sand that is not completely rolled is intercepted, the metal sand that is not completely rolled is stored through the circulation opening, and the metal sand is re-transported to the inside of the rolling box and is re-rolled and screened by the cooperation of the first motor, the rotating shaft, the discharging worm and the discharging pipeline, so that the metal casting sand rolling efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view structure schematic diagram of the utility model;

[0021] Figure 2 It is a front view structure schematic diagram of the utility model;

[0022] Figure 3 It is a front view structure schematic diagram of the utility model;

[0023] Figure 4 It is a rear view structure schematic diagram of the utility model.

[0024] In the figure: 1, rolling box;2, feeding hopper;3, pouring box;4, circulating cylinder;5, first motor;6, rotating shaft;7, discharging worm;8, discharging pipeline;9, second motor;10, rotating rod;11, rotating gear;12, rolling roller;13, third motor;14, reset block;15, reset sliding rod;16, reset spring;17, screening frame;18, screening net;19, arc block;20, fourth motor;21, rotating screw;22, rotating screw sleeve;23, pushing block;24, sliding block;25, storage drawer;26, movable caster;27, pushing handle;28, limiting rod;29, flow guide block. DETAILED DESCRIPTION

[0025] Please refer to Figures 1-4The utility model provides a kind of metal casting sand roller compaction device, including roller compaction box 1, the top of roller compaction box 1 is equipped with feed opening, the inside of feed opening is fixedly connected with feed hopper 2, one end of roller compaction box 1 is equipped with circulation opening, one end of circulation opening is fixedly connected with pouring box 3, the bottom and top of pouring box 3 are fixedly connected with circulating cylinder 4, the bottom of circulating cylinder 4 located downside is fixedly connected with first motor 5, the output of first motor 5 is fixedly connected with rotating shaft 6, the top of rotating shaft 6 extends to the top of circulating cylinder 4 located upside and is rotatably connected with the top inside of circulating cylinder 4, discharging worm 7 is fixedly connected on the outer wall of rotating shaft 6, screening mechanism is fixedly installed in the inside of roller compaction box 1, one end of circulating cylinder 4 is equipped with discharge opening, discharge opening is fixedly installed with discharge pipeline 8 in the inside, one end of roller compaction box 1 is fixedly connected with second motor 9, one end of roller compaction box 1 is equipped with two rotating through-holes, the inside of two rotating through-holes is rotatably connected with rotating rod 10, one end of two rotating rods 10 is fixedly connected with rotating gear 11, two rotating gears 11 are engaged, the other end of one rotating rod 10 is fixedly connected with the output of second motor 9, one end of another rotating rod 10 is rotatably connected with one end in the inside of roller compaction box 1, the outer wall of two rotating rods 10 is fixedly connected with roller 12, screening mechanism includes third motor 13, two ends in the inside of roller compaction box 1 are fixedly connected with reset block 14, the top of two reset blocks 14 is equipped with reset recess, the inside of two reset recesses is slidably connected with reset slide bar 15, the bottom of two reset slide bars 15 is respectively installed with reset spring 16 between the bottom in the inside of two reset recesses, the top of two reset slide bars 15 is fixedly connected with screening frame 17, screening frame 17 is fixedly installed with screening net 18 in the inside, one end of third motor 13 is fixedly connected with one end of roller compaction box 1, the output of third motor 13 extends to the inside of roller compaction box 1 and is fixedly connected with arc block 19, by pouring metal sand through feed hopper 2 to the inside of roller compaction box 1, then by the cooperation of second motor 9, rotating rod 10, rotating gear 11, another rotating rod 10 and roller 12, further complete the roller compaction treatment to metal sand, then after screening by screening net 18, intercept the metal sand that is not completely rolled, subsequently by circulation opening, the metal sand that is not completely rolled is received, and by the cooperation of first motor 5, rotating shaft 6, discharging worm 7 and discharge pipeline 8, the metal sand is retransported to the inside of roller compaction box 1, and is re-roller-compacted and screened, avoid repeatedly carrying back the metal sand that is not completely rolled by artificial, further improve the roller compaction efficiency of metal casting sand.

[0026] It also needs to be explained that one end of the rolling box 1 is fixedly connected with the fourth motor 20, the output end of the fourth motor 20 is fixedly connected with the rotating screw rod 21, the other end of the rotating screw rod 21 extends to the inside of the rolling box 1 and is rotatably connected with one end inside the rolling box 1, the outer wall of the rotating screw rod 21 is screwed with the rotating screw sleeve 22, the bottom end of the rotating screw sleeve 22 is fixedly connected with the pushing block 23, through the energization starting of the fourth motor 20, the output end of the fourth motor 20 will drive the rotating screw rod 21 to rotate, and the rotating screw rod 21 will drive the rotating screw sleeve 22 to move through the thread, and drive the pushing block 23 to push the intercepted metal sand on the screening net 18, and through the circulation opening and its circulation box, the metal sand not completely rolled is received, the two ends inside the rolling box 1 are both provided with sliding grooves, the two sliding grooves are both slidably connected with the sliding blocks 24, the two sliding blocks 24 are fixedly connected with the receiving drawer 25, which is more convenient to receive the metal sand completely rolled, the bottom corners of the rolling box 1 are all fixedly connected with the movable casters 26, which further improves the convenient movement of the position of the rolling box 1, one end of the receiving drawer 25 is fixedly connected with the pushing handle 27, which is convenient to push and pull the receiving drawer 25, one end of the rotating screw sleeve 22 is provided with the limiting through hole, the two limiting through holes are both slidably connected with the limiting rods 28, the two ends of the two limiting rods 28 are respectively fixedly connected with the two ends inside the rolling box 1, which improves the stability of the rotating screw sleeve 22 when moving, the two ends inside the rolling box 1 are fixedly connected with the flow guide block 29, which guides the metal sand passing through the feeding hopper 2.

[0027] In summary, the metal casting sand roller device in use, first through the feed hopper 2 pouring metal sand to the inside of the roller box 1, after the energization of the second motor 9 start, the output of the second motor 9 will drive one of the rotating rod 10 rotation, and one of the rotating rod 10 through the meshing of the rotating gear 11 drive another rotating rod 10 synchronous rotation, and then complete the metal sand roller processing, and then after the screening net 18 on its screening, the metal sand roller not complete the interception, and the third motor 13 energization start, the output of the third motor 13 will drive the circular block 19 rotation, and push the screening frame 17, make its screening frame 17 under the tension of the reset spring 16 up and down shaking, through the fourth motor 20 energization start, the output of the fourth motor 20 will drive the rotating screw 21 rotation, and the rotating screw 21 through the thread will drive the rotating nut 22 movement, and drive the push block 23 on the screening net 18 intercepted metal sand push, and through the cycle opening and its cycle tank on the metal sand roller not complete the storage, and in through the first motor 5 energization start, the output of the first motor 5 will drive the rotating shaft 6 rotation, and the rotating shaft 6 will drive the discharge screw 7 on its metal sand roller not complete the conveying, the metal sand roller not complete through the discharge pipeline 8 re transport to the inside of the roller box 1, and on its re roller screening, avoid artificial repeatedly on the metal sand roller not complete back and forth carrying.

Claims

1. A metal casting sand rolling device comprising a rolling box (1), characterized in that: The top end of the rolling box (1) is provided with a feeding opening, the inside of the feeding opening is fixedly connected with a feeding hopper (2), one end of the rolling box (1) is provided with a circulating opening, one end of the circulating opening is fixedly connected with a pouring box (3), the bottom end and the top end of the pouring box (3) are fixedly connected with a circulating cylinder (4), the bottom end of the circulating cylinder (4) on the lower side is fixedly connected with a first motor (5), the output end of the first motor (5) is fixedly connected with a rotating shaft (6), the top end of the rotating shaft (6) extends to the top end of the circulating cylinder (4) on the upper side and is rotatably connected with the top end inside the circulating cylinder (4), and a discharging worm (7) is fixedly connected on the outer wall of the rotating shaft (6). The inside of the rolling box (1) is fixedly installed with a screening mechanism. One end of the circulating cylinder (4) is provided with a discharging opening, the inside of the discharging opening is fixedly installed with a discharging pipeline (8), one end of the rolling box (1) is fixedly connected with a second motor (9), one end of the rolling box (1) is provided with two rotating through holes, the inside of the two rotating through holes are rotatably connected with rotating rods (10), one end of the two rotating rods (10) are fixedly connected with rotating gears (11), the two rotating gears (11) are engaged with each other, one end of one of the rotating rods (10) is fixedly connected with the output end of the second motor (9), the other end of the other rotating rod (10) is rotatably connected with one end inside the rolling box (1), and the outer walls of the two rotating rods (10) are fixedly connected with rolling rollers (12).

2. A sand roller device for metal casting according to claim 1, characterized in that: The screening mechanism comprises a third motor (13), both ends inside the rolling box (1) are fixedly connected with reset blocks (14), the top ends of the two reset blocks (14) are provided with reset grooves, the inside of the two reset grooves are slidably connected with reset sliding rods (15), the bottom ends of the two reset sliding rods (15) are respectively installed with reset springs (16) between the bottom ends inside the two reset grooves, the top ends of the two reset sliding rods (15) are fixedly connected with a screening frame (17), the inside of the screening frame (17) is fixedly installed with a screening net (18), one end of the third motor (13) is fixedly connected with one end of the rolling box (1), the output end of the third motor (13) extends to the inside of the rolling box (1) and is fixedly connected with a circular arc block (19).

3. A sand roller for metal foundry sand as claimed in claim 2, wherein: One end of the rolling box (1) is fixedly connected with a fourth motor (20), the output end of the fourth motor (20) is fixedly connected with a rotating screw rod (21), the other end of the rotating screw rod (21) extends to the inside of the rolling box (1) and is rotatably connected with one end inside the rolling box (1), a rotating screw sleeve (22) is screwed on the outer wall of the rotating screw rod (21), the bottom end of the rotating screw sleeve (22) is fixedly connected with a pushing block (23).

4. A sand roller for metal foundry sand as claimed in claim 3, wherein: Both ends inside the rolling box (1) are provided with sliding grooves, the inside of the two sliding grooves are slidably connected with sliding blocks (24), and the two sliding blocks (24) are fixedly connected with a storage drawer (25).

5. A sand roller for use in the manufacture of metal castings as claimed in claim 4 wherein: The bottom end of the rolling box (1) is fixedly connected with mobile casters (26) at four corners.

6. A sand roller for metal foundry sand as claimed in claim 5, wherein: One end of the storage drawer (25) is fixedly connected with a push handle (27).

7. A sand roller for use in the manufacture of metal castings as claimed in claim 6 wherein: One end of the rotating screw sleeve (22) is provided with a limiting through hole, the inside of the two limiting through holes is slidably connected with a limiting rod (28), and the two ends of the two limiting rods (28) are fixedly connected with the two ends in the inside of the rolling box (1).

8. A sand roller for metal foundry use according to claim 7, wherein: The two ends in the inside of the rolling box (1) are fixedly connected with a flow guide block (29).