Sand making machine for crushing raw materials

Abstract

The utility model relates to the technical field of machine-made sand processing, in particular to a sand making machine for crushing raw materials, which comprises an upper crushing shell and two crushing rollers arranged in the upper crushing shell and matched with each other. The transfer operation shell is communicated with the lower side of the crushing upper shell; the crushing lower shell is communicated with the lower side of the transfer operation shell and corresponds to the crushing upper shell; the box door is arranged on one side of the transfer operation shell; the rotary driving mechanism is arranged on the lower side of the transfer operation shell and is positioned on one side of the crushing lower shell; the rotary connecting frame is connected with the rotary driving mechanism and located in the transfer operation shell, the two screening grooves are formed in the rotary connecting frame, the outer annular sliding groove and the inner annular sliding groove are formed in the lower side of the inner wall of the transfer operation shell, and the rotary connecting frame is in annular sliding fit with the upper side of the outer annular sliding groove and the upper side of the inner annular sliding groove; the equipment not only shortens the time length of crushing shutdown, but also reduces the frequency of equipment shutdown, thereby not only improving the overall crushing efficiency of raw materials, but also improving the overall production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of manufactured sand processing technology, specifically a sand making machine for raw material crushing. Background Technology

[0002] Manufactured sand refers to sand processed by a sand making machine and other auxiliary equipment. First, the stone is initially crushed by a coarse crusher. Then, the coarse material is conveyed by a belt conveyor to a fine crusher for further crushing. The finely crushed stone is then screened by a vibrating screen to separate two types of stones. The stones that meet the feed particle size of the sand making machine are fed into the sand making machine for manufactured sand, while the other part is returned to the fine crusher.

[0003] A sand making machine for raw material crushing, disclosed in Chinese Patent No. CN218423060U, combines a crushing upper shell, a feed hopper, two crushing rollers, two drive motors, support legs, a discharge port, a door, a handle, a connecting plate, a screening trough, a linear slide, a telescopic push rod, and a stirring rake. The aim is to separate and transfer large and small particles of raw material while preventing small particles from mixing with large particles. However, in practical applications, this equipment has an operational limitation: frequent shutdowns are required to manually remove the screening trough from the crushing upper shell to transfer accumulated large particles. After transfer, the trough is reinstalled on the crushing upper shell. During this process, the equipment remains stopped. This series of operations increases the downtime and frequency of the equipment, thus negatively impacting the overall crushing efficiency and reducing production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a sand making machine for raw material crushing, which solves the problem that existing equipment requires frequent shutdowns to manually remove the screen trough and transfer large particles of raw material during raw material crushing, resulting in many shutdowns and long downtimes, which affects the overall crushing efficiency and reduces production efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sand making machine for raw material crushing, comprising an upper crushing shell, two crushing rollers disposed inside the upper crushing shell and cooperating with each other, a transfer operation shell communicating with the lower side of the upper crushing shell, a lower crushing shell communicating with the lower side of the transfer operation shell and corresponding to the upper crushing shell, a door disposed on one side of the transfer operation shell, a rotary drive mechanism disposed on the lower side of the transfer operation shell and located on the side of the lower crushing shell, a rotary connecting frame connected to the rotary drive mechanism and located inside the transfer operation shell, two screening troughs disposed on the rotary connecting frame, an outer annular slide groove and an inner annular slide groove disposed on the lower side of the inner wall of the transfer operation shell and spaced apart from the outside to the inside, wherein the rotary connecting frame is in annular sliding cooperation with the upper side of the outer annular slide groove and the inner annular slide groove, one of the screening troughs is located below the two crushing rollers, and the other screening trough is located on the side near the door.

[0006] Furthermore, the rotating connecting frame includes a rotating horizontal plate, support grooves connected to both ends of the rotating horizontal plate, and an insertion interface located on the lower side of the support groove.

[0007] Furthermore, the rotary drive mechanism includes a motor located on the lower side of the transfer operation housing and a rotating shaft connected to the output end of the motor, one end of which is connected to the lower side of the rotating horizontal plate.

[0008] Furthermore, the screening trough includes a connecting frame disposed in the support trough, an embedding groove communicating with the lower side of the connecting frame, and a screen disposed on the inner wall of the embedding groove, with one end of the embedding groove being inserted into the insertion interface.

[0009] Furthermore, a screw is provided on the side of the support groove away from the rotating cross plate, and one end of the screw is threaded into one side of the connecting frame.

[0010] Furthermore, the lower side of the connecting frame is provided with a first slider and a second slider arranged at intervals. The first slider is slidably engaged with the outer annular groove, and the second slider is slidably engaged with the inner annular groove.

[0011] Furthermore, a dust collector is provided on the upper side of the transfer operation shell, and a dust collection pipe is provided on one side of the dust collector. One end of the dust collection pipe is connected to a dust inlet hopper, and the upper side of the dust inlet hopper is connected to the upper side of the transfer operation shell.

[0012] Furthermore, a receiving shell is connected to one side of the crushing upper shell and the transfer operation shell, and the receiving shell is provided with a raw material agitation module for agitating the raw materials in the screening trough.

[0013] Furthermore, the upper side of the crushing upper shell is connected to a feed hopper, and the lower side of the crushing lower shell is connected to a discharge pipe.

[0014] Furthermore, the lower side of the transfer operation shell is provided with two support frames arranged at intervals, and the crushing lower shell is located between the two support frames; the support frame includes two support columns arranged at intervals and a crossbar provided between the two support columns.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention utilizes the coordinated operation of an upper crushing shell, a lower crushing shell, a transfer operation shell, a door, a rotary drive mechanism, a rotary connecting frame connected to the rotary drive mechanism, and two screen troughs connected to the rotary connecting frame to crush raw materials. Simultaneously, the alternating rotation of the two rotatable screen troughs shortens the downtime and reduces the frequency of equipment shutdowns, thereby improving not only the overall crushing efficiency of raw materials but also the overall production efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the sand making machine for raw material crushing according to this utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of the sand making machine for crushing raw materials according to this utility model;

[0019] Figure 3 This is a top view of the outer annular groove and the inner annular groove of this utility model;

[0020] Figure 4 This is a system control block diagram of the sand making machine for raw material crushing according to this utility model.

[0021] In the diagram: 1. Crushing upper shell; 2. Crushing roller; 3. Crushing lower shell; 4. Feed hopper; 5. Transfer operation shell; 6. Box door; 7. Screening trough; 8. Rotating connecting frame; 9. Motor; 10. Rotating shaft; 11. Support groove; 12. Insertion interface; 13. Connecting frame; 14. Embedded groove; 15. Screen; 16. Screw; 17. Outer annular slide groove; 18. First slider; 19. Inner annular slide groove; 20. Second slider; 21. Dust collector; 22. Dust collection pipe; 23. Dust inlet hopper; 24. Raw material stirring module; 25. Storage shell; 26. Support column; 27. Crossbar; 28. Discharge pipe; 29. ​​Rotating horizontal plate. Detailed Implementation

[0022] Please see Figure 1-4A sand making machine for crushing raw materials includes an upper crushing shell 1, two crushing rollers 2 disposed inside the upper crushing shell 1 and cooperating with each other, a drive motor for driving the two crushing rollers 2 is provided on one side of the upper crushing shell (1), and also includes a transfer operation shell 5 communicating with the lower side of the upper crushing shell 1, a lower crushing shell 3 communicating with the lower side of the transfer operation shell 5 and corresponding to the upper crushing shell 1, a door 6 disposed on one side of the transfer operation shell 5 (the transfer operation shell 5 has an opening on one side corresponding to the door 6), a rotary drive mechanism disposed on the lower side of the transfer operation shell 5 and located on the side of the lower crushing shell 3, and a drive motor connected to the rotary drive mechanism and located on the side of the lower crushing shell 3. The rotating connecting frame 8 is located inside the transfer operation housing 5. Two screening troughs 7 are mounted on the rotating connecting frame 8. An outer annular groove 17 and an inner annular groove 19, spaced apart from the outside to the inside, are connected to the lower side of the inner wall of the transfer operation housing 5. The rotating connecting frame 8 slides annularly with the upper side of the outer annular groove 17 and the inner annular groove 19. One screening trough 7 is located below the two crushing rollers 2, and the other screening trough 7 is located on the side near the door 6. The drive motor drives the two opposing crushing rollers 2 to crush the raw materials. Subsequently, the crushed raw materials fall into the screening trough 7 below, and the raw materials pass through the screen. The material trough 7 screens the material, trapping larger particles. After a period of crushing, the drive motor is turned off, and the rotary drive mechanism is started, causing the rotary connecting frame 8 to rotate. The rotary connecting frame 8 slides in a circular path under the stable support and guidance of the outer annular groove 17 and the inner annular groove 19 (which ensure stable movement of the rotary connecting frame 8). As the rotary connecting frame 8 rotates, the material trough 7 carrying the large particles is moved to the side closer to the door 6, while the other empty material trough 7 rotates synchronously to the crushing stage. Between the upper crushing shell 1 and the lower crushing shell 3, the equipment prepares to receive the next round of crushing operations. At this time, the drive motor starts again to continue crushing the raw materials. During this interval, the operator can open the door 6 to disassemble the screen trough 7 that holds large particles of raw materials and take the raw materials out of the transfer operation shell 5 for unloading. After unloading, the screen trough 7 is reinstalled. By continuously repeating the above steps, the equipment not only shortens the downtime of crushing but also reduces the frequency of equipment downtime. This not only improves the overall crushing efficiency of raw materials but also enhances the overall production efficiency.

[0023] The rotating connecting frame 8 includes a rotating horizontal plate 29, support grooves 11 connected to both ends of the rotating horizontal plate 29, and an insertion interface 12 located on the lower side of the support grooves 11; the screening trough 7 includes a connecting frame 13 embedded in the support grooves 11, an embedding groove 14 communicating with the lower side of the connecting frame 13, and a screen 15 located on the inner wall of the embedding groove 14, with one end of the embedding groove 14 inserted into the insertion interface 12; when the screening trough 7 is installed with the rotating connecting frame 8, the connecting frame 13 is embedded into the support grooves 11, and the embedding groove 14 connected to the connecting frame 13 is simultaneously inserted into the insertion interface 12, thereby completing the initial fixation of the screening trough 7 and the rotating connecting frame 8.

[0024] The rotary drive mechanism includes a motor 9 mounted on the lower side of the transfer operation housing 5 and a rotating shaft 10 connected to the output end of the motor 9. One end of the rotating shaft 10 is connected to the lower side of the rotating horizontal plate 29. The controller controls the motor 9 to start, and the rotating shaft 10 connected to the output end of the motor 9 drives the rotating horizontal plate 29 to rotate, thereby facilitating the rotation of the two screening troughs 7.

[0025] A screw 16 is provided on the side of the support groove 11 away from the rotating horizontal plate 29. One end of the screw 16 is threaded into one side of the connecting frame 13. After the screening trough 7 and the rotating connecting frame 8 are initially fixed, the screw 16 is inserted into one side of the support groove 11 and one end of the screw 16 is screwed into the connecting frame 13, which facilitates further fixing of the screening trough 7 and the rotating connecting frame 8.

[0026] The lower side of the connecting frame 13 is provided with a first slider 18 and a second slider 20 arranged at intervals. The first slider 18 is slidably engaged with the outer annular groove 17, and the second slider 20 is slidably engaged with the inner annular groove 19. When the connecting frame 13 rotates, the first slider 18 and the second slider 20 connected to the connecting frame 13 slide circumferentially with the outer annular groove 17 and the inner annular groove 19, respectively, which improves the stability of the connecting frame 13 when rotating.

[0027] A dust collector 21 is provided on the upper side of the transfer operation shell 5. A dust collection pipe 22 is provided on one side of the dust collector 21. One end of the dust collection pipe 22 is connected to a dust inlet hopper 23. The upper side of the dust inlet hopper 23 is connected to the upper side of the transfer operation shell 5. When the screening trough 7 is taken out from the transfer operation shell 5, the dust collector 21 is turned on. The dust generated inside the equipment during the crushing process enters the dust collector 21 through the dust inlet hopper 23 and the dust collection pipe 22, preventing the dust inside the equipment from overflowing in large quantities through the opening corresponding to the box door 6 when the screening trough 7 is taken out.

[0028] A receiving shell 25 is connected to one side of the crushing upper shell 1 and the transfer operation shell 5. The receiving shell 25 is equipped with a raw material agitation module 24 for agitating the raw materials in the screening trough 7. The specific structure of the raw material agitation module 24 is the same as that of the raw material agitation module in a sand making machine for crushing raw materials disclosed in Chinese Patent No. CN218423060U. The receiving shell 25 is used to store the raw material agitation module 24 after use. The raw material agitation module 24 agitates the raw materials in the screening trough 7 to improve screening efficiency.

[0029] The upper side of the crushing upper shell 1 is connected to the feed hopper 4, and the lower side of the crushing lower shell 3 is connected to the discharge pipe 28. The feed hopper 4 facilitates the addition of the raw material to be crushed into the crushing upper shell 1, and the discharge pipe 28 facilitates the discharge of small particles of raw material from the bottom of the crushing lower shell 3. The bottom of the inner wall of the crushing lower shell 3 is cone-shaped.

[0030] The lower side of the transfer operation shell 5 is provided with two support frames arranged at intervals, and the crushing lower shell 3 is located between the two support frames; the support frame includes two support columns 26 arranged at intervals and a crossbar 27 located between the two support columns 26; the two support frames provide support for the operation of the equipment.

[0031] Working principle: When crushing raw materials, the raw materials to be crushed are added into the upper crushing shell 1 through the feed hopper 4. The drive motor drives two opposing rotating crushing rollers 2 to crush the added raw materials. Subsequently, the crushed raw materials fall into the lower screening trough 7, where they are screened. Larger particles are retained in the screening trough 7, while smaller particles enter the lower crushing shell 3 and are discharged through the discharge pipe 28. After a period of crushing, the drive motor is turned off, and the rotary drive mechanism is started, causing the rotary connecting frame 8 to start rotating. The rotary connecting frame 8 slides circumferentially under the stable support and guidance of the outer annular slide groove 17 and the inner annular slide groove 19. As the rotary connecting frame 8 rotates, the screening trough 7, which carries the large particles of raw materials, is moved closer to the door 6. On one side, the other empty screen trough 7 will rotate synchronously between the upper crushing shell 1 and the lower crushing shell 3, ready to receive the next round of crushing operations. At this time, the drive motor will start again to continue crushing the raw materials. The dust collector 21 will be turned on. The dust generated inside the equipment during the crushing process will enter the dust collector 21 through the dust inlet hopper 23 and the dust removal pipe 22. The operator can take advantage of this gap to open the box door 6 to disassemble the screen trough 7 that carries large particles of raw materials and take out the raw materials from the transfer operation shell 5 for unloading. After unloading, the screen trough 7 will be reinstalled. By continuously repeating the above steps, the equipment not only shortens the downtime of crushing but also reduces the frequency of equipment downtime. This not only improves the overall crushing efficiency of raw materials but also enhances the overall production efficiency.

[0032] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sand making machine for crushing raw materials, comprising a crushing upper shell (1) and two crushing rollers (2) disposed inside the crushing upper shell (1) and cooperating with each other, characterized in that, It also includes a transfer operation shell (5) connected to the lower side of the upper crushing shell (1), a lower crushing shell (3) connected to the lower side of the transfer operation shell (5) and corresponding to the upper crushing shell (1), a door (6) located on one side of the transfer operation shell (5), a rotary drive mechanism located on the lower side of the transfer operation shell (5) and on the side of the lower crushing shell (3), a rotary connecting frame (8) connected to the rotary drive mechanism and located inside the transfer operation shell (5), two screening troughs (7) located on the rotary connecting frame (8), an outer annular slid groove (17) and an inner annular slid groove (19) located on the lower side of the inner wall of the transfer operation shell (5) and spaced from the outside to the inside. The rotary connecting frame (8) is in annular sliding cooperation with the upper side of the outer annular slid groove (17) and the inner annular slid groove (19). One of the screening troughs (7) is located below the two crushing rollers (2), and the other screening trough (7) is located on the side close to the door (6).

2. The sand making machine for raw material crushing as described in claim 1, characterized in that, The rotating connecting frame (8) includes a rotating horizontal plate (29), support grooves (11) connected to both ends of the rotating horizontal plate (29), and an insertion interface (12) located on the lower side of the support groove (11).

3. The sand making machine for raw material crushing as described in claim 2, characterized in that, The rotary drive mechanism includes a motor (9) located on the lower side of the transfer operation housing (5) and a rotating shaft (10) connected to the output end of the motor (9). One end of the rotating shaft (10) is connected to the lower side of the rotating horizontal plate (29).

4. A sand making machine for raw material crushing as described in claim 2, characterized in that, The screening trough (7) includes a connecting frame (13) in the support trough (11), an embedding groove (14) communicating with the lower side of the connecting frame (13), and a screen (15) on the inner wall of the embedding groove (14). One end of the embedding groove (14) is inserted into the insertion interface (12).

5. A sand making machine for raw material crushing as described in claim 4, characterized in that, The support groove (11) is provided with a screw (16) on the side away from the rotating horizontal plate (29), and one end of the screw (16) is threaded into one side of the connecting frame (13).

6. A sand making machine for raw material crushing as described in claim 4, characterized in that, The lower side of the connecting frame (13) is provided with a first slider (18) and a second slider (20) arranged at intervals. The first slider (18) is slidably engaged with the outer annular groove (17), and the second slider (20) is slidably engaged with the inner annular groove (19).

7. A sand making machine for raw material crushing as described in claim 1, characterized in that, The upper side of the transfer operation shell (5) is provided with a dust collector (21), and a dust collector pipe (22) is provided on one side of the dust collector (21). One end of the dust collector pipe (22) is connected to a dust inlet hopper (23), and the upper side of the dust inlet hopper (23) is connected to the upper side of the transfer operation shell (5).

8. A sand making machine for raw material crushing as described in claim 1, characterized in that, The crushing upper shell (1) and the transfer operation shell (5) are connected to a receiving shell (25) on one side. The receiving shell (25) is provided with a raw material stirring module (24) for stirring the raw material in the screening tank (7).

9. A sand making machine for raw material crushing as described in claim 1, characterized in that, The upper side of the crushing upper shell (1) is connected to the feed hopper (4), and the lower side of the crushing lower shell (3) is connected to the discharge pipe (28).

10. A sand making machine for raw material crushing as described in claim 1, characterized in that, The lower side of the transfer operation shell (5) is provided with two support frames arranged at intervals, and the crushing lower shell (3) is located between the two support frames; the support frame includes two support columns (26) arranged at intervals and a crossbar (27) provided between the two support columns (26).

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