Stone crushing device

Abstract

The utility model relates to the technical field of stone crushing devices, and provides a stone crushing device which is convenient for preventing dust from flying, not easy to cause air pollution and not easy to influence the health of surrounding workers, and comprises a stone crushing box, two stone crushing rollers, a reversing assembly, a feed hopper, a dustproof plate, a baffle plate, a sliding driving assembly, a stone crushing drawer, a limiting assembly and a screening assembly, the two stone crushing rollers are rotationally connected to the stone crushing box, the reverse rotation assembly is arranged on the stone crushing box and used for driving the two stone crushing rollers to rotate in the reverse direction, the feeding hopper is fixedly connected to the stone crushing box, the two dustproof plates are hinged to the feeding hopper, a lock is arranged between the two dustproof plates, and the two baffles are arranged on the feeding hopper. The baffle is slidably connected to the stone crushing box, the sliding driving assembly is arranged on the stone crushing box and used for driving the baffle to slide, the stone crushing drawer is slidably connected to the stone crushing box, and the limiting assembly is arranged on the stone crushing drawer and used for limiting the position of the stone crushing drawer.

Description

Technical Field

[0001] The utility model relates to the technical field of stone crushing devices, in particular to a stone crushing device. Background Art

[0002] Housing construction projects refer to the various technical work such as survey, planning, design, construction, installation and maintenance carried out for the construction, reconstruction or expansion of housing buildings and ancillary structures, as well as the completed engineering entities. In this process, crushed stone is generally required, and crushed stone is obtained by putting large stones into a crushing device for crushing. Therefore, the crushing device is a kind of machine commonly used in housing construction projects.

[0003] The existing stone crushing device, China disclosed on March 8, 2022, a stone crushing device for housing construction projects with patent publication number CN215964033U, which is equipped with a main stone crushing tooth roller and an auxiliary stone crushing tooth roller. When the motor is running, the main stone crushing tooth roller rotates, increasing the extrusion force between the stone and the surface of the auxiliary stone crushing tooth roller to squeeze and crush the stone. The operation of the motor is conducive to driving the main stone crushing tooth roller to rotate, which is conducive to squeezing and crushing the stone; there is also a stone crushing device for housing construction projects disclosed by China on February 18, 2022 with patent publication number CN215843213U, which crushes the transportation through a crushing and grinding structure, and at the same time performs secondary screening on the crushed rock through a multi-stage screening structure, and drains the rock powder into the circulation structure through the multi-stage screening structure, and the rock powder is crushed for the second time through the circulation structure, thereby ensuring that the rock powder reaches a certain size.

[0004] However, the above-mentioned prior art solutions will generate a large amount of dust during the stone crushing process, which will not only cause air pollution but also easily affect the health of surrounding workers. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies of the prior art, the utility model provides a stone crushing device to solve the problem that the prior art mentioned in the background technology generates a large amount of dust during the stone crushing process, which not only causes air pollution but also easily affects the health of surrounding workers.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stone crushing device, comprising a stone crushing box, a stone crushing roller, a reversing assembly, a feed hopper, a dustproof plate, a baffle, a sliding drive assembly, a stone crushing drawer, a limiting assembly and a screening assembly, wherein two stone crushing rollers are provided, and the two stone crushing rollers are rotatably connected to the stone crushing box, the reversing assembly is provided on the stone crushing box and is used to drive the two stone crushing rollers to rotate in opposite directions, the feed hopper is fixedly connected to the stone crushing box, two dustproof plates are provided, the dustproof plates are hinged on the feed hopper, and a lock is provided between the two dustproof plates, two baffles are provided, the baffles are slidably connected to the stone crushing box, the sliding drive assembly is provided on the stone crushing box and is used to drive the baffle to slide, the stone crushing drawer is slidably connected to the stone crushing box, the limiting assembly is provided on the stone crushing drawer and is used to limit the position of the stone crushing drawer, and the screening assembly is provided on the stone crushing drawer and is used to filter out smaller unqualified particles and dust.

[0009] Preferably, the reversing assembly includes a protective shell, a rotating rod, a rotating gear and a first motor, the protective shell is fixedly connected to the crushing box, two rotating rods are provided, the rotating rods are fixedly connected to the crushing roller, the rotating rod passes through the crushing box and is rotatably connected to the protective shell, two rotating gears are provided, the rotating gears are fixedly sleeved on the rotating rod, and the two rotating gears are meshed with each other, the first motor is fixedly mounted on the protective shell, and the output end of the first motor passes through the protective shell and is concentrically connected to one of the rotating rods.

[0010] Furthermore, the sliding drive assembly includes a sliding drive box, a support plate, a rotating screw, a threaded block and a second motor, the sliding drive box is fixedly connected to the crushing box, the support plate is fixedly connected between the sliding drive box and the crushing box, the rotating screw is rotatably connected to the sliding drive box, the threaded block is threadedly sleeved on the rotating screw, and the threaded block is fixedly connected to the baffle, the second motor is fixedly mounted on the sliding drive box, and the output end of the second motor passes through the sliding drive box and is concentrically connected to the rotating screw.

[0011] Furthermore, the limiting assembly includes a limiting plate and a limiting bolt, the limiting plate is fixedly connected to the gravel tray, the limiting bolt is threadedly connected to the limiting plate, and the gravel box is provided with a limiting screw groove matching the limiting bolt.

[0012] Furthermore, the screening assembly includes a screen, an ash tray and a fixing assembly, the screen is fixedly connected to the gravel box, the ash tray is slidably connected to the gravel tray, and the fixing assembly is arranged on the ash tray to fix the position of the ash tray.

[0013] Wherein, the fixing assembly includes a fixing plate and a fixing bolt, the fixing plate is fixedly connected to the ash receiving tray, the fixing bolt is threadedly connected to the fixing plate, and a fixing screw groove matching the fixing bolt is opened on the gravel tray.

[0014] (III) Beneficial effects

[0015] In summary, the present invention includes at least one of the following beneficial technical effects:

[0016] The stone crushing device places stones into a feed hopper, a sliding component drives a baffle to slide, so that the stones enter a stone crushing box, a reversing component drives two stone crushing rollers to rotate in opposite directions to crush the stones, a dust-proof plate prevents dust from flying, a stone crushing bin receives the stones, a limiting component limits the position of the stone crushing bin, and a screening component filters out smaller unqualified particles and dust. Therefore, the stone crushing device is convenient for preventing dust from flying, is not likely to cause air pollution, and is not likely to affect the health of surrounding workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the protective shell, the rotating rod and the rotating gear of the utility model in a partial cross-section;

[0019] Figure 3 It is a partial cross-sectional structural diagram of the cooperation of the drive slide box, the support plate and the rotating screw rod of the utility model;

[0020] Figure 4 The utility model is a partially exploded structural schematic diagram of the screen, ash receiving tray and fixed plate of the utility model.

[0021] In the figure: 1. crushed stone box; 2. crushed stone roller; 3. feed hopper; 4. dust plate; 5. baffle; 6. crushed stone drawer; 7. protective shell; 8. rotating rod; 9. rotating gear; 10. first motor; 11. drive slide box; 12. support plate; 13. rotating screw; 14. threaded block; 15. second motor; 16. limit plate; 17. limit bolt; 18. screen; 19. ash drawer; 20. fixing plate; 21. fixing bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] Example 1

[0025] Reference Figure 1 and Figure 2 A stone crushing device includes a stone crushing box 1, a stone crushing roller 2, a reversing assembly, a feed hopper 3, a dustproof plate 4, a baffle 5, a sliding drive assembly, a stone crushing drawer 6, a limit assembly and a screening assembly. Two stone crushing rollers 2 are provided, and the two stone crushing rollers 2 are rotatably connected to the stone crushing box 1. The reversing assembly is provided on the stone crushing box 1 and is used to drive the two stone crushing rollers 2 to rotate in the opposite direction. The reversing assembly includes a protective shell 7, a rotating rod 8, a rotating gear 9 and a first motor 10. The protective shell 7 is fixedly connected to the stone crushing box 1. Two rotating rods 8 are provided, and the rotating rods 8 are fixedly connected to the stone crushing rollers 2. The rotating rods 8 penetrate the stone crushing box 1 and are rotatably connected to the protective shell 7 There are two rotating gears 9, which are fixedly sleeved on the rotating rod 8, and the two rotating gears 9 are meshed with each other. The first motor 10 is fixedly installed on the protective shell 7, and the output end of the first motor 10 penetrates the protective shell 7 and is concentrically connected to one of the rotating rods 8. The output end of the first motor 10 drives the rotating rod 8 located on one side thereof to rotate, and the rotation of the rotating rod 8 drives the rotating gear 9 located on one side thereof to rotate, and the rotating gear 9 drives the other rotating gear 9 and the rotating rod 8 to rotate in the opposite direction, thereby driving the two stone crushing rollers 2 to rotate in the opposite direction, so as to facilitate the stone crushing between the two stone crushing rollers 2 to be crushed.

[0026] Reference Figure 1 , Figure 2 and Figure 3, the feed hopper 3 is fixedly connected to the crushing box 1, which is convenient for placing stones. Two dust-proof plates 4 are provided, and the dust-proof plates 4 are hinged on the feed hopper 3. In the process of crushing stones, closing the dust-proof plates 4 can prevent dust from flying out, thereby protecting the environment. A lock is provided between the two dust-proof plates 4, which is a common lock on the market. The positions of the two dust-proof plates 4 can be limited. Two baffles 5 are provided, and the baffles 5 are slidably connected to the crushing box 1. The baffles 5 are convenient for blocking stones from entering the crushing box 1. The driving sliding assembly is provided on the crushing box 1, and is used to drive the baffles 5 to slide. The driving sliding assembly includes a driving sliding box 11, a support plate 12, a rotating screw 13, a threaded block 14 and a second motor 15. The driving sliding box 11 is fixedly connected It is connected to the crushing box 1, the support plate 12 is fixedly connected between the driving slide box 11 and the crushing box 1, the rotating screw 13 is rotatably connected to the driving slide box 11, the threaded block 14 is threadedly sleeved on the rotating screw 13, and the threaded block 14 is fixedly connected to the baffle 5, the second motor 15 is fixedly installed on the driving slide box 11, the output end of the second motor 15 passes through the driving slide box 11 and is concentrically connected with the rotating screw 13, the output end of the second motor 15 drives the rotating screw 13 to rotate, the rotating screw 13 rotates to drive the threaded block 14 to move, the threaded block 14 drives the baffle 5 to slide, so that the stone can fall from between the two baffles 5 into the crushing box 1, so as to control the speed of stone falling to prevent too many stones from getting stuck in the crushing roller 2.

[0027] Reference Figure 1 and Figure 4The crushed stone drawer 6 is slidably connected to the crushed stone box 1, and the limiting component is arranged on the crushed stone drawer 6 for limiting the position of the crushed stone drawer 6. The limiting component includes a limiting plate 16 and a limiting bolt 17. The limiting plate 16 is fixedly connected to the crushed stone drawer 6, and the limiting bolt 17 is threadedly connected to the limiting plate 16. The crushed stone box 1 is provided with a limiting screw groove matching the limiting bolt 17. The limiting bolt 17 is rotated to disengage the limiting bolt 17 from the limiting screw groove, and the crushed stone drawer 6 can be slid out, so that the crushed stone can be taken out for use. The screening component is arranged on the crushed stone drawer 6 for filtering out smaller unqualified particles and dust. The screening component includes a screen 18, an ash drawer 19 and a fixing component. The screen 18 is fixedly connected to the crushed stone box 1, and the ash drawer 19 slides Connected to the gravel drawer 6, the stones will form gravel and many smaller particles and dust that do not meet the use standards after being crushed. The particles and dust are sieved into the ash drawer 19 through the screen 18, and the gravel that meets the qualified standards is on the screen 18. The fixing component is arranged on the ash drawer 19 to fix the position of the ash drawer 19. The fixing component includes a fixing plate 20 and a fixing bolt 21. The fixing plate 20 is fixedly connected to the ash drawer 19, and the fixing bolt 21 is threadedly connected to the fixing plate 20. A fixing screw groove matching the fixing bolt 21 is opened on the gravel drawer 6. The fixing bolt 21 is rotated to disengage the fixing screw groove, and the fixing bolt 21 can be slid out of the ash drawer 19, so that the particles and dust can be collected and reused.

[0028] Example 2

[0029] In summary, the working principle and working process of the stone crushing device are as follows: when in use, firstly, the crushed stones are evenly placed in the feed hopper 3, the dust cover 4 is closed, the lock is locked, and the second motor 15 is turned on. The output end of the second motor 15 drives the rotating screw 13 to rotate, and the rotating screw 13 rotates to drive the threaded block 14 to move, and the threaded block 14 drives the baffle 5 to slide, so that the stone can fall from between the two baffles 5 into the stone crushing box 1, and at the same time, the first motor 10 is turned on. The output end of the first motor 10 drives the rotating rod 8 located on one side thereof to rotate, and the rotating rod 8 rotates to drive the rotating rod 8 located on one side thereof to slide. The rotating gear 9 rotates, and the rotating gear 9 drives another rotating gear 9 and the rotating rod 8 to rotate in the opposite direction, thereby driving the two stone crushing rollers 2 to rotate in the opposite direction, so that the stone between the two stone crushing rollers 2 can be crushed, and the crushed stone falls into the stone crushing drawer 6, and the particles and dust fall into the ash receiving drawer 19 through the screen 18. The limiting bolt 17 is rotated to disengage the limiting bolt 17 from the limiting screw groove, and the stone crushing drawer 6 is slid out to take out the crushed stone for use, and the fixing bolt 21 is rotated to disengage the fixing bolt 21 from the fixing screw groove, and the ash receiving drawer 19 is slid out to collect the particles and dust for secondary use.

[0030] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A stone crushing device, comprising a stone crushing box (1), characterized in that: Also includes: A stone crushing roller (2), wherein two stone crushing rollers (2) are provided, and the two stone crushing rollers (2) are rotatably connected to the stone crushing box (1); A reversing assembly, the reversing assembly being arranged on the stone crushing box (1) and being used for driving the two stone crushing rollers (2) to rotate in opposite directions; A feed hopper (3), the feed hopper (3) being fixedly connected to the gravel box (1); Dust-proof plates (4), two of which are provided, the dust-proof plates (4) being hinged on the feed hopper (3), and a lock is provided between the two dust-proof plates (4); baffles (5), two baffles (5) are provided, and the baffles (5) are slidably connected to the gravel box (1); A sliding drive assembly, the sliding drive assembly being arranged on the gravel box (1) and being used for driving the baffle plate (5) to slide; A gravel drawer (6), the gravel drawer (6) being slidably connected to the gravel box (1); a position limiting component, the position limiting component being arranged on the gravel drawer (6) and being used for limiting the position of the gravel drawer (6); A screening component is arranged on the gravel bin (6) and is used to filter out smaller unqualified particles and dust.

2. A stone crushing device according to claim 1, characterized in that: The inversion component comprises: A protective shell (7), wherein the protective shell (7) is fixedly connected to the gravel box (1); Rotating rods (8), two rotating rods (8) are provided, the rotating rods (8) are fixedly connected to the stone crushing roller (2), the rotating rods (8) penetrate the stone crushing box (1) and are rotatably connected to the protective shell (7); A rotating gear (9), wherein two rotating gears (9) are provided, the rotating gears (9) are fixedly sleeved on the rotating rod (8), and the two rotating gears (9) are meshed with each other; A first motor (10), wherein the first motor (10) is fixedly mounted on the protective shell (7), and an output end of the first motor (10) passes through the protective shell (7) and is coaxially connected to one of the rotating rods (8).

3. A stone crushing device according to claim 1, characterized in that: The driving and sliding assembly comprises: A sliding-driving box (11), wherein the sliding-driving box (11) is fixedly connected to the gravel box (1); A support plate (12), the support plate (12) being fixedly connected between the sliding driving box (11) and the gravel box (1); A rotating screw rod (13), wherein the rotating screw rod (13) is rotatably connected to the sliding driving box (11); a threaded block (14), wherein the threaded block (14) is threadably sleeved on the rotating screw (13), and the threaded block (14) is fixedly connected to the baffle (5); A second motor (15), wherein the second motor (15) is fixedly mounted on the slide-driving box (11), and an output end of the second motor (15) passes through the slide-driving box (11) and is coaxially connected to the rotating screw (13).

4. A stone crushing device according to claim 1, characterized in that: The limiting component comprises: a limiting plate (16), wherein the limiting plate (16) is fixedly connected to the gravel drawer (6); A limiting bolt (17) is threadedly connected to the limiting plate (16), and a limiting screw groove matching the limiting bolt (17) is provided on the gravel box (1).

5. The stone crushing device according to claim 1, characterized in that: The screening component comprises: A screen (18), wherein the screen (18) is fixedly connected to the gravel box (1); An ash receiving drawer (19), wherein the ash receiving drawer (19) is slidably connected to the gravel drawer (6); A fixing component is arranged on the ash receiving drawer (19) and is used to fix the position of the ash receiving drawer (19).

6. A stone crushing device according to claim 5, characterized in that: The fixing assembly comprises: A fixing plate (20), wherein the fixing plate (20) is fixedly connected to the ash receiving tray (19); A fixing bolt (21), wherein the fixing bolt (21) is threadedly connected to the fixing plate (20), and a fixing screw groove matching the fixing bolt (21) is provided on the gravel bin (6).

Images