Multi-stage stone crushing device

Abstract

The utility model discloses a multi-stage stone crushing device, comprising a crusher, wherein a base is arranged below the crusher, and two crushing rollers are arranged in the base, and the gap between the two crushing rollers is directly opposite to the feeding port of the crusher; supporting mechanisms are arranged at both ends of the crushing rollers, and the supporting mechanisms are sleeved on the end shafts of the two crushing rollers, and the supporting mechanisms are connected to the base; the end shaft of one of the crushing rollers is connected to the output shaft of the motor, and the end shafts at the other ends of the two crushing rollers are connected by belts; the utility model is provided with two crushing rollers, and the gap between the two crushing rollers is directly opposite to the feeding port of the crusher, and the two crushing rollers rotate in opposite directions at the same time, and after the stone is discharged from the crusher, the stone can be crushed again under the action of the crushing rollers, and then the stone is processed into corresponding sizes, avoiding the current situation that the crusher processes stones with larger sizes and needs other equipment to process them again, thereby correspondingly reducing the production cost and improving the production efficiency.

Description

Technical Field

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

[0002] When carrying out stone crushing processing, generally the large stones are first broken into relatively small stones through the work of the crusher, and then the small stones are transported to the next process through the conveyor belt so that the small stones can be processed into stones that meet the requirements.

[0003] At present, the device used for stone crushing is generally a jaw crusher, which consists of two jaw plates, a movable jaw and a static jaw, to form a crushing chamber, simulating the movement of the two jaws of an animal to complete the material crushing operation. There are many types of jaw crushers. For example, a Chinese patent with patent publication number CN104203413A discloses a jaw crusher having a substantially fixed jaw and a relatively movable jaw. A pair of opposing side walls extend on either side of the jaw to define a crushing zone. Each side wall includes one or more side liners configured to protect the side wall. A safety or locking protrusion extends from the side wall to one side and is adjacent to each side liner and prevents the side liner from falling from the crushing zone when it leaves the mounting position of the side liner during use.

[0004] Whether it is the jaw crusher provided by the above patent or other types of jaw crushers, the size of the stones produced by the crushing is still relatively large. In order to produce smaller stones, such as gravel, other equipment is needed to process the crushed stones again. This processing method requires other equipment. If the jaw crusher can produce smaller stones, it will be beneficial to reduce the number of equipment and thus reduce production costs. Utility Model Content

[0005] The utility model aims to provide a multi-stage stone crushing device, aiming to improve the problem that the stone produced by the jaw crusher is large in size and needs to be processed by other equipment.

[0006] The utility model is implemented as follows: a multi-stage stone crushing device includes a crusher, a base is arranged below the crusher, two crushing rollers are arranged in the base, the gap between the two crushing rollers is directly opposite to the feeding port of the crusher; supporting mechanisms are arranged at both ends of the crushing rollers, the supporting mechanisms are sleeved on the end shafts of the two crushing rollers, and the supporting mechanisms are connected to the base; the end shaft of one crushing roller is connected to the output shaft of the motor, and the end shafts of the other ends of the two crushing rollers are connected through a belt, and the belt controls the two crushing rollers to rotate in opposite directions.

[0007] Preferably, a first pulley is provided on the end shafts of the two crushing rollers, and a second pulley and a third pulley are provided on the outer side of the crushing roller. The third pulley and the first pulley are located on the same straight line, and the second pulley is located above the first pulley.

[0008] Preferably, two ends of the belt are respectively sleeved on a first pulley and a third pulley, the lower side of the belt contacts the top of the other first pulley, and the upper side contacts the top of the second pulley.

[0009] Preferably, the supporting mechanism comprises a transverse plate and two sleeves, a sliding hole is arranged on the transverse plate, the length of the sliding hole is greater than the sum of the diameters of the two sleeves, and the two sleeves are arranged in the sliding hole.

[0010] Preferably, a bidirectional internal threaded tube is provided in the slide hole, threaded rods are provided on the adjacent sides of the two sleeves, the adjacent ends of the two threaded rods are threadedly inserted into the bidirectional internal threaded tube, and the end shafts of the two crushing rollers are respectively inserted into the two sleeves.

[0011] Preferably, a support shaft is provided through the middle of the third pulley, the support shaft is fixedly arranged on the connecting plate, a mounting hole is arranged on the cross plate, and a limiting frame and an adjusting screw are arranged on the side of the mounting hole, the support shaft is provided through the mounting hole, the connecting plate is provided through the limiting frame, and the end of the adjusting screw is threadedly inserted into the connecting plate.

[0012] Preferably, a detachable plate is provided on the base, and two opposite side walls are provided with perforations, a first conveyor belt is provided through the perforations, the first conveyor belt is located below the crushing roller, and a second conveyor belt is provided obliquely at the end of the first conveyor belt.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with two crushing rollers, the gap between the two crushing rollers is directly opposite to the output port of the crusher, and the two crushing rollers rotate in opposite directions at the same time. After the stone is output from the crusher, the stone can be crushed again under the action of the crushing rollers, and then the stone is processed into corresponding sizes, avoiding the current situation that the crusher processes stones of larger sizes and needs other equipment to process them again, thereby reducing the production cost accordingly and improving the production efficiency.

[0015] 2. The utility model is provided with a sleeve with adjustable relative position, so that the position of the crushing roller can be adjusted by adjusting the position of the sleeve, thereby providing support for adjusting the spacing between the crushing rollers and facilitating the production of stones of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0017] Figure 2It is a three-dimensional structural schematic diagram of the utility model crusher;

[0018] Figure 3 It is a three-dimensional structural diagram of the rolling roller, supporting mechanism and transmission mechanism of the utility model;

[0019] Figure 4 It is a three-dimensional structural diagram of the support mechanism of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the transmission mechanism of the utility model;

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the regulating wheel body of the utility model.

[0022] In the figure: 1. crusher; 11. first conveyor belt; 12. second conveyor belt; 13. base; 14. perforation; 15. removable plate; 2. crushing roller; 3. supporting mechanism; 31. transverse plate; 32. sleeve; 33. two-way internal threaded pipe; 34. threaded rod; 35. sliding hole; 36. adjusting screw; 37. limiting frame; 38. mounting hole; 4. transmission mechanism; 41. first pulley; 42. second pulley; 43. belt; 5. adjusting wheel body; 51. third pulley; 52. connecting plate. DETAILED DESCRIPTION

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0025] Example 1

[0026] like Figure 1As shown, a multi-stage stone crushing device includes a crusher 1, which is configured as a jaw crusher. The jaw crusher is a prior art and can be found by searching existing patents or Baidu Encyclopedia. It will not be described in detail here. In order to be able to use the jaw crusher to produce stones that meet production needs, two crushing rollers 2 can be installed at the bottom of the jaw crusher. The gap between the two crushing rollers 2 is opposite to the feeding port of the crusher 1 and rotates in opposite directions. The opposite rotation can force the material to move into the gap between the crushing rollers 2. After the stone is discharged from the jaw crusher, it will fall between the two crushing rollers 2. Under the action of the crushing rollers 2, the stone moves into the gap between the two crushing rollers 2 and is crushed again under the squeezing of the two crushing rollers 2. Therefore, smaller-sized stones are produced, and support is provided for producing stones that meet production needs, reducing the equipment for stone processing, reducing the cost of stone production, and relatively improving the stone production efficiency. According to the stone production requirements, a suitable crushing roller 2 can be selected, such as a crushing roller 2 with teeth on the surface, or a crushing roller 2 with a smooth surface.

[0027] like Figure 3 , Figure 4 As shown, in order to stably set the crushing roller 2 below the crusher 1, a support mechanism 3 is provided at both ends of the crushing roller 2. The support mechanism 3 includes a transverse plate 31 and two sleeves 32. A sliding hole 35 is provided on the transverse plate 31. The length of the sliding hole 35 is greater than the sum of the diameters of the two sleeves 32. The two sleeves 32 are stably set in the sliding hole 35, and the end shafts of the two crushing rollers 2 are respectively inserted into the two sleeves 32 through bearing connection. Because the end shaft of the crushing roller 2 is inserted into the sleeve 32, and the sleeve 32 is stably installed relative to the transverse plate 31, the crushing roller 2 can be stably installed below the crusher 1 under the action of the transverse plate 31.

[0028] like Figure 5 As shown, in order to control the opposite rotation of the two crushing rollers 2, a first pulley 41 is arranged on the end shaft of the two crushing rollers 2, and a second pulley 42 and a third pulley 51 are also arranged on the outer side of the crushing roller 2. The third pulley 51 and the first pulley 41 are located on the same straight line, and the second pulley 42 is located above the first pulley 41. The two ends of the belt 43 are respectively sleeved on a first pulley 41 and a third pulley 51. The lower side of the belt 43 contacts the top of the other first pulley 41, and the upper side contacts the top of the second pulley 42. This arrangement can control the opposite rotation of the two crushing rollers 2 through the belt 43. In addition, the end shaft of a crushing roller 2 is connected to the output shaft of the motor. When the motor is working, it can drive a crushing roller 2 to rotate. Therefore, under the action of the belt 43, the other crushing roller 2 can be driven to rotate, thereby realizing the opposite rotation of the two crushing rollers 2. The first pulley 41, the second pulley 42, and the belt 43 form a transmission mechanism 4.

[0029] like Figure 1 , Figure 2 As shown, in order to convey the crushed stones, a detachable plate 15 is provided on the base 13, and two opposite side walls are provided with through holes 14, through which a first conveyor belt 11 is provided, the first conveyor belt 11 is located below the crushing roller 2, and a second conveyor belt 12 is obliquely provided at the end of the first conveyor belt 11. With the cooperation of the first conveyor belt 11 and the second conveyor belt 12, the crushed stones can be output in real time, and the stones can be prevented from piling up below the crusher 1 and affecting the operation of the crusher 1.

[0030] Example 2

[0031] like Figure 4 As shown, on the basis of Example 1, in order to be able to adjust the relative positions of the two crushing rollers 2 according to needs and provide convenience for the production of stones of different sizes, a bidirectional internal threaded tube 33 is arranged through the slide hole 35, and a threaded rod 34 is arranged on the side where the two sleeves 32 are adjacent to each other. The ends of the two threaded rods 34 adjacent to each other are threadedly inserted into the bidirectional internal threaded tube 33. By rotating the bidirectional internal threaded tube 33, the two threaded rods 34 can be controlled to approach or move away from each other, thereby adjusting the relative positions of the two sleeves 32 to achieve the adjustment of the distance between the two crushing rollers 2.

[0032] like Figure 6 As shown, in order to avoid affecting the rotation of the two crushing rollers 2 due to adjusting the position of the crushing roller 2, a support shaft is provided through the middle of the third pulley 51, and the support shaft is fixedly provided on the connecting plate 52. A mounting hole 38 is provided on the transverse plate 31, and a limiting frame 37 and an adjusting screw 36 are provided on the side of the mounting hole 38. The support shaft is provided through the mounting hole 38, and the connecting plate 52 is provided through the limiting frame 37. The end of the adjusting screw 36 is threadedly inserted into the connecting plate 52. After adjusting the relative position of the crushing roller 2, the adjusting screw 36 is rotated to force the connecting plate 52 to move relative to the transverse plate 31, thereby driving the support shaft to move in the mounting hole 38, so as to adjust the position of the third pulley 51, force the belt 43 to be in a taut state, and provide support for the opposite rotation of the two crushing rollers 2. The third pulley 51, the connecting plate 52 and the support shaft constitute the adjusting wheel body 5.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-stage stone crushing device, comprising a crusher (1), characterized in that: A base (13) is arranged below the crusher (1), and two crushing rollers (2) are arranged inside the base (13), and the gap between the two crushing rollers (2) is directly opposite to the feeding port of the crusher (1); support mechanisms (3) are arranged at both ends of the crushing rollers (2), and the support mechanisms (3) are sleeved on the end shafts of the two crushing rollers (2), and the support mechanisms (3) are connected to the base (13); the end shaft of one of the crushing rollers (2) is connected to the output shaft of the motor, and the end shafts of the other ends of the two crushing rollers (2) are connected via a belt (43), and the belt (43) controls the two crushing rollers (2) to rotate in opposite directions.

2. A multi-stage stone crushing device according to claim 1, characterized in that: A first pulley (41) is arranged on the end shafts of the two crushing rollers (2), and a second pulley (42) and a third pulley (51) are also arranged on the outer side of the crushing roller (2). The third pulley (51) and the first pulley (41) are located on the same straight line, and the second pulley (42) is located above the first pulley (41).

3. A multi-stage stone crushing device according to claim 2, characterized in that: The two ends of the belt (43) are respectively sleeved on a first pulley (41) and a third pulley (51), the lower side of the belt (43) contacts the top of the other first pulley (41), and the upper side contacts the top of the second pulley (42).

4. A multi-stage stone crushing device according to claim 2, characterized in that: The support mechanism (3) comprises a transverse plate (31) and two sleeves (32). The transverse plate (31) is provided with a sliding hole (35). The length of the sliding hole (35) is greater than the sum of the diameters of the two sleeves (32). The two sleeves (32) are both arranged in the sliding hole (35).

5. A multi-stage stone crushing device according to claim 4, characterized in that: A bidirectional internal threaded tube (33) is arranged in the sliding hole (35), and a threaded rod (34) is arranged on the side adjacent to each other of the two sleeves (32). The ends of the two threaded rods (34) adjacent to each other are threadedly inserted into the bidirectional internal threaded tube (33), and the end shafts of the two crushing rollers (2) are respectively inserted into the two sleeves (32).

6. A multi-stage stone crushing device according to claim 4, characterized in that: A support shaft is provided through the middle of the third pulley (51), and the support shaft is fixedly provided on the connecting plate (52). A mounting hole (38) is provided on the transverse plate (31), and a limiting frame (37) and an adjusting screw (36) are provided on the side of the mounting hole (38). The support shaft is provided through the mounting hole (38), and the connecting plate (52) is provided through the limiting frame (37), and the end of the adjusting screw (36) is threadedly inserted into the connecting plate (52).

7. A multi-stage stone crushing device according to claim 1, characterized in that: A detachable plate (15) is provided on the base (13), and two opposite side walls are provided with through holes (14), a first conveyor belt (11) is provided through the through holes (14), the first conveyor belt (11) is located below the crushing roller (2), and a second conveyor belt (12) is provided obliquely at the end of the first conveyor belt (11).

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