Sandstone multi-stage crushing device

Through the combination of vibration components, crushing components and dust suction components, the screening blockage and dust pollution problems of sandstone crushing equipment are solved, efficient screening and environmentally friendly crushing are achieved, and the utilization efficiency and product quality of sandstone are improved.

CN223454321UActive Publication Date: 2025-10-21TIANRUI GRP ZHENGZHOU CEMENT CO LTD
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Patent Information

Application Number
CN202422685810.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-21
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

Existing sandstone crushing equipment is prone to clogging during screening and fails to effectively handle larger sandstone volumes, resulting in low cleaning efficiency and serious dust pollution during the crushing process, which harms the environment and workers' health.

Method used

The vibration component is used to knock the vibrating screen to reduce the blockage of the screen holes; the crushing component performs multi-stage crushing on the sandstone to ensure uniform particle size; the dust collection component collects dust to prevent the spread of pollution.

Benefits of technology

It improves screening accuracy and sandstone particle size uniformity, reduces screen retention time, reduces dust concentration, and protects the environment and workers' health.

✦ Generated by Eureka AI based on patent content.

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Abstract

The multi-stage sandstone crushing device comprises a workbench, supporting legs are fixedly installed at the four corners of the bottom end of the workbench, a collecting box is arranged in the center of the bottom end of the workbench, and a mounting hole communicated with the lower end of the workbench is formed in the middle of the upper end of the workbench; a conical crushing box is fixedly mounted in an inner cavity of the mounting hole, a supporting frame is fixedly mounted at the right end of the conical crushing box, two first conveying wheels and two second conveying wheels are separately mounted on the inner side of the supporting frame, and the two first conveying wheels are jointly connected with a first conveying belt; according to the utility model, sandstone can pass through the vibrating screen more smoothly, the phenomenon that screen holes are blocked is reduced, the holes in the vibrating screen can be effectively cleaned, the residence time of the sandstone on the screen is shortened, a large amount of dust is generated in the crushing process, and if the dust is directly discharged into the air, the environment is seriously polluted; the air is prevented from diffusing into the air, so that the surrounding environment and the ecological system are protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sandstone crushing technical field, concretely is a sandstone multistage crushing device. BACKGROUND

[0002] The sandstone multistage crushing device is a complete equipment integrating feeding, crushing, screening and conveying functions, which usually comprises a vibrating feeder, a multistage crusher (such as a jaw crusher, a cone crusher and an impact crusher), a vibrating screen, a sand washer and a belt conveyor, etc.

[0003] Chinese patent publication No. CN109772558B discloses a multistage stone crushing device, which comprises an automatic unloading and feeding mechanism, a stone shaping mechanism, a stone crushing mechanism, an automatic feeding mechanism and a dust removal mechanism. The device can automatically feed, crush stones, tighten belts, shape stones, automatically unload, prevent belts from being damaged, transport crushed stones, ensure long service life, and remove dust.

[0004] In the above-mentioned device, when the volume of sandstone is large, the vibrating screen of the screening device is easily blocked by sandstone, which requires manual cleaning by workers, and the cleaning efficiency of sandstone is low. In the process of crushing sandstone, the large-volume sandstone cannot be crushed twice. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a sandstone multistage crushing device to solve the problems in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides following technical scheme: a sandstone multistage crushing device, including the work table, the bottom end four corners of work table all are fixedly installed with support leg, the bottom center position of work table is provided with collection box, the upper end middle part of work table is provided with the mounting hole that communicates with work table lower extreme, the mounting hole inner chamber is fixedly installed with conical crushing box, the right end of conical crushing box is fixedly installed with support frame, the inboard of support frame is installed with two first conveying wheels and two second conveying wheels respectively, two first conveying wheels are connected transmission belt one in common, two second conveying wheels are connected transmission belt two in common, the inboard of support frame is fixedly installed with vibration subassembly, the inside of conical crushing box is provided with crushing subassembly, the left end of conical crushing box is provided with dust extraction subassembly, the inner wall of conical crushing box is fixedly installed with guide plate, the inner wall of conical crushing box is fixedly installed with crushing box, the guide plate is located at the top of crushing box.

[0007] As a further preferred of the technical solution, the vibration assembly comprises a rotating rod, a vibrating screen and a rotating rod, the rotating rod is fixedly connected with one of the first conveying wheels, the rotating rod is rotatably connected with the support frame, the vibrating screen is fixedly connected with the support frame, the bottom of the rotating rod is fixedly connected with the inner side of the support frame, and a rubber strip is fixedly installed on the outer surface of the rotating rod.

[0008] As a further preferred of the technical solution, a bevel gear one is fixedly installed on the outer surface of the rotating rod, the bevel gear one is engaged with a bevel gear two, the front end of the bevel gear two is fixedly installed with a rotating shaft, a sprocket one is fixedly installed on the outer surface of the rotating shaft, and the rotating shaft is rotatably connected with the support frame.

[0009] As a further preferred of the technical solution, a sprocket two is fixedly installed on the outer surface of the rotating rod, and the sprocket one and the sprocket two are commonly connected with a chain one.

[0010] As a further preferred of the technical solution, the crushing assembly comprises a support plate and two motors two, the support plate is located at the front end of the conical crushing box, the support plate is fixedly connected with the conical crushing box, two motors two are located at the right side of the conical crushing box, two motors two are fixedly connected with the conical crushing box, a motor one is arranged at the top end of the support plate, a worm is fixedly connected with the output shaft of the motor one, and the worm is rotatably connected with the support plate.

[0011] As a further preferred of the technical solution, the worm is engaged with two worm gears, a connecting rod is fixedly installed at the rear end of each of the two worm gears, a crushing roller one is fixedly installed on the outer surface of each of the two connecting rods, and a crushing roller two is fixedly connected with the output shaft of each of the two motors two.

[0012] As a further preferred of the technical scheme, the dust suction assembly comprises a dust suction box and a chain wheel three, the dust suction box is fixedly connected with the conical crushing box, the dust suction box is located at the left side of the conical crushing box, a dust suction rod is fixedly installed on the inner wall left side of the dust suction box, a fan blade is fixedly installed at the right end of the dust suction rod, a chain wheel four is fixedly installed on the outer surface of the dust suction rod, and the chain wheel three and the chain wheel four are jointly connected with a chain two.

[0013] The sandstone multi-stage crushing device has the following beneficial effects:

[0014] (1) The vibration assembly can make the sandstone pass through the vibrating screen more smoothly, reduce the screen hole blockage phenomenon, effectively clean the aperture on the vibrating screen, reduce the residence time of the sandstone on the screen mesh, and improve the screening precision.

[0015] (2) The crushing assembly and the dust suction assembly can crush the sandstone, the crushed sandstone particle size is more uniform, the use efficiency and product quality of the sandstone are improved, a large amount of dust is generated during the crushing process, if the dust is directly discharged into the air, it will cause serious pollution to the environment, prevents the dust from spreading into the air, thereby protecting the surrounding environment and ecological system, if workers work in a dust environment for a long time, it will cause serious damage to the respiratory system of the workers, can reduce the dust concentration in the workplace, reduce the risk of workers inhaling dust, and protect the respiratory system health of the workers. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the conical crushing box of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the vibration assembly of the utility model;

[0019] Figure 4 It is a schematic diagram of the enlarged structure of part A of the utility model;

[0020] Figure 5 It is a schematic diagram of the enlarged structure of part B of the utility model.

[0021] In the figure: 1. Workbench; 2. Support legs; 3. Collecting box; 4. Cone crushing box; 5. Support frame; 6. First conveyor wheel; 7. Vibrating assembly; 71. Vibrating screen; 72. Sprocket 2; 73. Chain 1; 74. Sprocket 1; 75. Rotating shaft; 76. Bevel gear 2; 77. Bevel gear 1; 78. Rotating rod; 79. Rubber strip; 8. Crushing assembly; 81. Motor 1; 82. Worm; 83. Worm gear; 84. Crushing roller 1; 85. Crushing roller 2; 9. Dust collection assembly; 91. Dust collection box; 92. Sprocket 3; 93. Dust collection rod; 94. Fan blade; 95. Sprocket 4; 96. Chain 2; 10. Second conveyor wheel; 11. Guide plate; 12. Crushing box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 and Figure 5 As shown, in this embodiment, a sandstone multi-stage crushing device includes a workbench 1, and support legs 2 are fixedly installed at the four corners of the bottom end of the workbench 1. A collecting box 3 is provided at the center position of the bottom end of the workbench 1. A mounting hole communicating with the lower end of the workbench 1 is opened in the middle of the upper end of the workbench 1, and a cone crushing box 4 is fixedly installed in the inner cavity of the mounting hole. A support frame 5 is fixedly installed at the right end of the cone crushing box 4, and two first conveying wheels 6 and two second conveying wheels 10 are respectively installed on the inner side of the support frame 5. The two first conveying wheels 6 are commonly connected to conveyor belt 1, and the two second conveying wheels 10 are commonly connected to conveyor belt 2. A vibration component 7 is fixedly installed on the inner side of the support frame 5, a crushing component 8 is provided inside the cone crushing box 4, and a dust suction component 9 is provided at the left end of the cone crushing box 4. A guide plate 11 is fixedly installed on the inner wall of the cone crushing box 4, and a crushing box 12 is fixedly installed on the inner wall of the cone crushing box 4. The guide plate 11 is located at the top of the crushing box 12.

[0024] like Figure 1 and Figure 3 As shown, the vibration assembly 7 includes a rotating rod, a vibrating screen 71 and a rotating rod 78. The rotating rod is fixedly connected to one of the first conveying wheels 6, the rotating rod is rotatably connected to the support frame 5, the vibrating screen 71 is fixedly connected to the support frame 5, the bottom of the rotating rod 78 is fixedly connected to the inner side of the support frame 5, the outer surface of the rotating rod 78 is fixedly mounted with a rubber strip 79, the outer surface of the rotating rod 78 is fixedly mounted with a bevel gear 1 77, the bevel gear 1 77 is meshed with a bevel gear 2 76, the front end of the bevel gear 2 76 is fixedly mounted with a rotating shaft 75, the outer surface of the rotating shaft 75 is fixedly mounted with a sprocket 1 74, the rotating shaft 75 is rotatably connected to the support frame 5, the outer surface of the rotating rod is fixedly mounted with a sprocket 2 72, and the sprocket 1 74 and the sprocket 2 72 are commonly connected with a chain 1 73.

[0025] From the above, when the sandstone is sieved, the sandstone is poured into the support frame 5, first conveyed to the conveying belt two through the conveying belt one, and the small sandstone is sieved and the large sandstone is crushed in the middle of the vibrating screen 71. Then the motor is started, and the rotating rod is driven to rotate, thereby driving the sprocket two 72 to rotate, further driving the sprocket one 74 to rotate through the chain one 73, driving the rotating shaft 75 to rotate, driving the bevel gear two 76 to rotate, driving the bevel gear two 76 and the rotating rod 78 to rotate, thereby driving the rubber strip 79 to knock, knocking the vibrating screen 71, making the sandstone pass through the vibrating screen 71 more smoothly, reducing the sieve hole blockage phenomenon, effectively cleaning the aperture on the vibrating screen 71, reducing the residence time of the sandstone on the screen, thereby improving the sieving precision.

[0026] As shown in Figure 1 and Figure 2 and Figure 4 The crushing assembly 8 includes a support plate and two motors two, the support plate is located at the front end of the cone crusher box 4, and the support plate is fixedly connected with the cone crusher box 4. The two motors two are located on the right side of the cone crusher box 4, and the two motors two are fixedly connected with the cone crusher box 4. The top end of the support plate is provided with a motor one 81, the output shaft of the motor one 81 is fixedly connected with a worm 82, the worm 82 is rotatably connected with the support plate, the worm 82 is engaged with two worm gears 83, the rear ends of the two worm gears 83 are fixedly installed with connecting rods, the outer surfaces of the two connecting rods are fixedly installed with crushing rollers one 84, and the output shafts of the two motors two are fixedly connected with crushing rollers two 85.

[0027] From the above, the sandstone on the conveying belt two is transported into the cone crusher box 4, and when the sandstone is crushed, the motor one 81 is started and the worm 82 is driven to rotate, thereby driving the worm gears 83 to rotate, driving the connecting rods and the crushing rollers one 84 to crush, achieving the purpose of preliminary crushing of the sandstone. When the crushing is completed, the guide plate 11 enters the crushing box 12 for secondary crushing, and the motor two is started and the crushing rollers two 85 are driven to crush. When the secondary crushing is completed, the crushed sandstone falls into the collecting box 3 through the crushing box 12 and the cone crusher box 4. The particle size of the crushed sandstone is more uniform, improving the use efficiency and product quality of the sandstone.

[0028] As shown in Figure 1 and Figure 4 and Figure 5 The dust suction assembly 9 includes a dust suction box 91 and a sprocket three 92. The dust suction box 91 is fixedly connected with the cone crusher box 4 and located on the left side of the cone crusher box 4. The dust suction rod 93 is fixedly installed on the inner wall left side of the dust suction box 91. The fan blade 94 is fixedly installed on the right end of the dust suction rod 93. The sprocket four 95 is fixedly installed on the outer surface of the dust suction rod 93. The sprocket three 92 and the sprocket four 95 are jointly connected with the chain two 96.

[0029] As can be known from the above, when the dust collection is carried out during the crushing process, the sprocket three 92 is driven to rotate, the sprocket four 95 is driven to rotate through the chain two 96, and the dust collection rod 93 is driven to rotate, so that the fan blade 94 can be driven to rotate, a large amount of dust is generated during the crushing process, if the dust is directly discharged into the air, it will cause serious pollution to the environment, prevent it from spreading into the air, so as to protect the surrounding environment and ecological system, if workers work in the dust environment for a long time, it will cause serious damage to the respiratory system of workers, the dust concentration in the workplace can be reduced, the risk of workers inhaling dust is reduced, and the health of their respiratory system is protected.

[0030] The utility model provides a kind of sandstone multistage crushing device, specific working principle is as follows: when using, when sandstone is screened, sandstone is poured into support frame 5, first by conveyor belt one, sandstone is conveyed to conveyor belt two, pass through vibrating screen 71 midway, small sandstone can be screened, large sandstone is crushed, then motor is started, and driving rod is rotated, further, sprocket two 72 is rotated, sprocket one 74 is rotated by chain one 73, driving shaft 75 is rotated, bevel gear two 76 is rotated, bevel gear two 76 and rotating rod 78 are rotated, so that rubber strip 79 can be knocked, vibrating screen 71 can be knocked, sandstone can be more smoothly through vibrating screen 71, reduce screen hole blockage phenomenon, the aperture on vibrating screen 71 can be effectively cleaned, the retention time of sandstone on screen is reduced, so as to improve the precision of screening, sandstone on conveyor belt two is transported to conical crushing box 4, when sandstone is crushed, then motor one 81 is started, and worm 82 is rotated, worm wheel 83 is rotated, so that connecting rod and crushing roller one 84 can be crushed, to the purpose of preliminary crushing of sandstone, when crushing is completed, guide plate 11 is entered into crushing box 12 and is crushed twice, then motor two is started, and crushing roller two 85 can be crushed, when secondary crushing is completed, crushed sandstone falls into collecting box 3 through crushing box 12 and conical crushing box 4, the particle size of crushed sandstone is more uniform, improve the use efficiency and product quality of sandstone, when dust collection is carried out during the crushing process, the sprocket three 92 is driven to rotate, the sprocket four 95 is driven to rotate through the chain two 96, and the dust collection rod 93 is driven to rotate, so that the fan blade 94 can be driven to rotate, a large amount of dust is generated during the crushing process, if the dust is directly discharged into the air, it will cause serious pollution to the environment, prevent it from spreading into the air, so as to protect the surrounding environment and ecological system, if workers work in the dust environment for a long time, it will cause serious damage to the respiratory system of workers, the dust concentration in the workplace can be reduced, the risk of workers inhaling dust is reduced, and the health of their respiratory system is protected.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for multi-stage crushing of sandstone, comprising a worktable (1), characterized in that: The bottom end of the workbench (1) is fixedly provided with supporting legs (2), and the bottom end center of the workbench (1) is provided with a collecting box (3); the upper end of the workbench (1) is provided with a mounting hole communicated with the lower end of the workbench (1), and the inner cavity of the mounting hole is fixedly provided with a conical crushing box (4); the right end of the conical crushing box (4) is fixedly provided with a supporting frame (5), and the inner side of the supporting frame (5) is respectively provided with two first conveying wheels (6) and two second conveying wheels (10); the two first conveying wheels (6) are connected with a conveying belt I, and the two second conveying wheels (10) are connected with a conveying belt II; the inner side of the supporting frame (5) is fixedly provided with a vibrating assembly (7), and the inside of the conical crushing box (4) is provided with a crushing assembly (8); the left end of the conical crushing box (4) is provided with a dust collection assembly (9); the inner wall of the conical crushing box (4) is fixedly provided with a guide plate (11), and the inner wall of the conical crushing box (4) is fixedly provided with a crushing box (12); and the guide plate (11) is located on the top of the crushing box (12).

2. The sandstone multi-stage crushing device according to claim 1, characterized in that: The vibrating assembly (7) comprises a rotating rod, a vibrating screen (71) and a rotating rod (78); the rotating rod is fixedly connected with one of the first conveying wheels (6); the rotating rod is rotatably connected with the supporting frame (5); the vibrating screen (71) is fixedly connected with the supporting frame (5); and the bottom of the rotating rod (78) is fixedly connected with the inner side of the supporting frame (5).

3. The sandstone multi-stage crushing device according to claim 2, characterized in that: The outer surface of the rotating rod (78) is fixedly provided with a bevel gear I (77), the bevel gear I (77) is engaged with a bevel gear II (76), the front end of the bevel gear II (76) is fixedly provided with a rotating shaft (75), the outer surface of the rotating shaft (75) is fixedly provided with a chain wheel I (74), and the rotating shaft (75) is rotatably connected with the supporting frame (5).

4. The sandstone multi-stage crushing device according to claim 3, characterized in that: The outer surface of the rotating rod is fixedly provided with a chain wheel II (72), and the chain wheel I (74) and the chain wheel II (72) are jointly connected with a chain I (73).

5. The sandstone multi-stage crushing device according to claim 1, characterized in that: The crushing assembly (8) comprises a supporting plate and two motors II; the supporting plate is located at the front end of the conical crushing box (4) and is fixedly connected with the conical crushing box (4); the two motors II are located at the right side of the conical crushing box (4) and are fixedly connected with the conical crushing box (4); the top end of the supporting plate is provided with a motor I (81), the output shaft of the motor I (81) is fixedly connected with a worm (82), and the worm (82) is rotatably connected with the supporting plate.

6. The sandstone multi-stage crushing device according to claim 5, characterized in that: The worm (82) is engaged with two worm gears (83), the rear end of each of the two worm gears (83) is fixedly provided with a connecting rod, and the outer surface of each of the two connecting rods is fixedly provided with a crushing roller I (84); the output shaft of each of the two motors II is fixedly connected with a crushing roller II (85).

7. The sandstone multi-stage crushing device according to claim 1, characterized in that: The dust suction assembly (9) comprises a dust suction box (91) and a sprocket three (92), the dust suction box (91) is fixedly connected with the conical crushing box (4), the dust suction box (91) is located on the left side of the conical crushing box (4), a dust suction rod (93) is fixedly installed on the inner wall left side of the dust suction box (91), a fan blade (94) is fixedly installed on the right end of the dust suction rod (93), a sprocket four (95) is fixedly installed on the outer surface of the dust suction rod (93), and the sprocket three (92) and the sprocket four (95) are jointly connected with a chain two (96).

Citation Information

Patent Citations

  • A multi-stage stone crushing device

    CN109772558B