CN218359809U - Broken conveying mechanism of mountain flour - Google Patents

Abstract

The utility model relates to the technical field of stone powder production, in particular to a crushing and conveying mechanism for stone powder, which includes a storage bin for small stones, a conveying device connected to the outlet of the storage bin for small stones, a crusher connected to the outlet of the conveying device, and The conveying device arranged below the discharge port of the crusher, the feeding end of the conveying device is provided with a material retaining groove, and the material retaining groove includes two side plates and a rear plate detachably connected between the two side plates; The bottom of the crusher is provided with a discharge chute, and the bottom surface of the discharge chute is provided with an arc-shaped bottom plate; the discharge chute is located in the middle of the retaining chute. The technical solution of the utility model can solve the problem that when the stone powder falls from the crusher onto the conveyor belt, the stone powder easily slips from the lower end of the conveyor belt or falls to the ground on both sides, which not only wastes the stone powder but also affects the environment.

Description

A stone powder crushing and conveying mechanism

technical field

The utility model relates to the technical field of stone powder production, in particular to a stone powder crushing and conveying mechanism.

Background technique

Stone powder is a general term for stone powder. There are many types of stone. According to the mineral composition, there are many types of active powder, not necessarily calcium carbonate. Calcium carbonate is limestone, which is just a kind of stone powder. Stone powder and CNOOC talcum powder are used to make putty. There is also quartz powder, which is used to make glass. There are also many rocks with mineral components, which can be ground into powder for different processes and purposes.

The production process of stone powder generally includes steps such as crushing, grinding, and storage. That is, before making stone into stone powder, it is generally necessary to first break the stone into relatively small stones, and then transport them to the crusher. Grind it into required stone powder and store it at last. After the stone is crushed and ground into stone powder, when the stone powder is transported to the storage unit for storage, it is generally necessary to use a conveyor belt to transport the stone powder. The conveyor belt is an ideal high-efficiency continuous transportation equipment, especially suitable for Continuous transportation of powdery substances such as stone powder.

The existing stone powder conveying device mechanism includes a conveyor belt arranged obliquely below the crusher, the low end of the conveyor belt is located at the discharge port of the crusher; the high end of the conveyor belt is provided with a stone powder storage device. Due to the inclined setting of the conveyor belt, when the stone powder falls from the crusher to the conveyor belt, under the impact of the falling gravity, the stone powder will scatter and "explode" when it falls on the conveyor belt, causing the stone powder to easily slip from the lower end or both sides of the conveyor belt. Falling to the ground not only wastes stone powder but also affects the environment.

Utility model content

The utility model provides a stone powder crushing and conveying mechanism, which can solve the problem that when the stone powder falls from the crusher to the conveyor belt, the stone powder is easy to slip from the lower end of the conveyor belt or fall to the ground on both sides, which not only wastes the stone powder but also affects the environment. The problem.

This application provides the following technical solutions:

A crushing and conveying mechanism for stone powder, comprising a storage bin for small stones, a conveying device connected to the outlet of the storage bin for small stones, a crusher connected to the outlet of the conveying device, and a conveying device arranged below the outlet of the crusher , the feeding end of the conveying device is provided with a chute, the chute includes two side plates and a rear plate detachably connected between the two side plates; the bottom of the crusher is provided with a discharge chute, The bottom surface of the discharge chute is provided with an arc-shaped bottom plate; the discharge chute is located in the middle of the retaining chute.

The beneficial effects of this program are:

1. When the stone powder falls from the crusher to the conveyor belt, the stone powder falls to the ground from both sides of the conveyor belt or the lower end of the feeding end: the technical solution of the utility model is provided at the feeding end of the conveyor belt. chute, and the chute includes two side plates and a rear plate arranged between the two side plates, when the stone powder falls from the crusher on the conveyor belt, even if the stone powder “explodes” to the surroundings under the action of gravity, Under the obstruction of the side plate and the rear plate, it can also prevent the stone powder from falling to the ground from both sides of the conveyor belt and the lower end of the conveyor belt feeding end; There is an arc-shaped bottom plate, when the stone powder falls from the crusher, it will first fall on the arc-shaped bottom plate in the discharge chute, and the impact of the falling stone powder can be buffered by the arc-shaped bottom plate, so that the stone powder falls to the conveyor belt It can be more stable when feeding, and the degree of "explosion" to the surroundings is smaller, so that the stone powder will not fall to the ground from both sides of the conveyor belt and the lower end of the conveyor belt feeding end, thereby preventing the waste of stone powder and It can prevent the stone powder from falling on the ground and polluting the environment.

2. Prevent the stone powder from accumulating at the feeding end of the conveyor belt and block the opening of the discharge groove, thereby ensuring the production efficiency of the stone powder: the technical solution of the utility model is to detachably connect the rear plate between the two side plates. When there is a lot of stone powder falling out, the worker can disassemble the back plate, and then use tools to push the stone powder forward for a section, and can deal with too much stone powder falling out without stopping the machine, so as to prevent too much stone powder from accumulating on the conveyor belt. The material end blocks the notch of the discharge chute, thereby ensuring the production efficiency of stone powder.

3. The material retaining chute and the discharge chute with arc-shaped bottom plate of the utility model have simple structure, low cost and easy realization.

Further, the conveying device includes a conveying cylinder and a screw discharge dragon connected in the conveying cylinder, and a driving motor is electrically connected to the spiral discharge dragon.

Using the above technical scheme, the small stones to be crushed are transported from the small stone storage bin to the crusher for crushing by using the spiral discharge dragon. When small stones fall on the conveyor belt and are transported on the conveyor belt, it is easy to scratch the conveyor belt or cause damage to the conveyor belt, which cannot guarantee the service life of the conveyor belt.

Further, the conveying cylinder includes a horizontal cylinder and a vertical cylinder fixedly connected to the horizontal cylinder; the spiral discharge dragon is connected in the horizontal cylinder, and the discharge end of the spiral discharge dragon is located above the vertical cylinder; The barrel is connected to the top of the crusher.

Adopting the above-mentioned technical solution, by setting the conveying cylinder as a horizontal cylinder and a vertical cylinder, the spiral discharge dragon is connected in the horizontal cylinder, the discharge end of the spiral discharge dragon is located above the vertical cylinder, and the vertical cylinder is connected to the crushing cylinder. At the top of the crusher, when the spiral discharge dragon transports the small stones to the crusher, the small stones enter the crusher from the top of the crusher through the vertical cylinder, which can be better crushed and ground, so that Small stones can be crushed and ground more fully. If small stones enter the crusher from the side of the crusher, some small stones may not be crushed, ground or broken, and the grinding is not sufficient. Condition.

Further, the end of the spiral discharge dragon close to the crusher is rotatably connected to the end of the horizontal cylinder through a bearing; the top of the horizontal cylinder is provided with an opening, and a cover plate is detachably connected above the opening.

With the above technical solution, it is easy to rotate and connect the screw discharge dragon through the bearing; and an opening is set on the top of the horizontal cylinder, and a cover plate is detachably connected above the opening, and the cover plate can be disassembled when small stones are blocked in the horizontal cylinder It is very convenient to unclog the horizontal cylinder; in addition, when it is necessary to overhaul the screw discharge dragon, the cover plate can also be disassembled directly, and then the spiral discharge dragon can be directly repaired, which is very convenient.

Further, the conveying device includes a frame and a conveyor belt connected to the frame, the material retaining chute is fixedly connected to the frame, and the material retaining chute is located above the conveyor belt; the frame is also fixedly connected with a belt for supporting the conveyor belt roller set.

Adopting the above-mentioned technical scheme, by fixing the roller set used to support the conveyor belt on the frame, the roller set can support the conveyor belt and the stone powder when transporting the stone powder, so that the transmission of the stone powder can be carried out more smoothly and the transmission efficiency is guaranteed; in addition When the stone powder in the crusher falls on the conveyor belt, it can prevent the conveyor belt from falling excessively under the gravity of the stone powder and cause the conveyor belt to be damaged, thereby ensuring the service life of the conveyor belt.

Further, the roller set includes two symmetrically arranged first inclined rollers and a horizontal roller located between the two first inclined rollers, and the first inclined rollers and the horizontal rollers form a downwardly concave arc .

With the above technical solution, by setting the roller set as two symmetrical first inclined rollers and a horizontal roller located between the two first inclined rollers, the first inclined roller and the horizontal roller form a downwardly concave arc When transporting stone powder, the conveyor belt falls under the gravity of the stone powder, and then forms a concave shape with the edges on both sides higher than the middle part under the support of the first inclined roller and the horizontal roller, so that the stone powder can be as far as possible It is always in the middle of the conveyor belt to prevent stone powder from spilling from both sides of the conveyor belt under the high-speed transmission of the conveyor belt.

Further, the frame is fixedly connected with second skewed rollers to prevent the conveyor belt from stretching excessively, and the second skewed rollers and roller sets are arranged alternately.

With the above technical solution, when the production of stone powder is more, the stone powder will fall from the crusher to the conveyor belt. Due to the concentration of the falling points, most of the stone powder will accumulate in the middle of the conveyor belt. When the stone powder is conveyed on the conveyor belt, it will be accumulated in the middle of the conveyor belt. The stone powder will slowly move towards the edges of both sides of the conveyor belt under the vibration of the machine, and the second inclined roller wheel is fixed on the frame to prevent the conveyor belt from being excessively opened, and the second inclined roller wheel and the roller group are arranged alternately. The second inclined roller can support the conveyor belt between the two roller sets, preventing the stone powder from moving to both sides of the conveyor belt under the rapid transmission of the conveyor belt, causing the conveyor belt to open excessively, so that the stone powder can flow from the conveyor belt between the two roller sets to further prevent the stone powder from falling on the ground from both sides of the conveyor belt; compared with setting the distance between the roller sets closer, using the roller set to support the conveyor belt, the installation of the second inclined roller is more convenient, The cost is lower, each roller set needs two first inclined rollers and one horizontal roller, and only one second inclined roller. By alternately arranging the roller set and the second inclined roller, the conveyor belt can be well supported, preventing the conveyor belt from excessively falling under the gravity of the stone powder and causing damage, and can well prevent the stone powder from spilling from both sides of the conveyor belt, and The collocation is reasonable, the cost is low, and the structure is simple.

Further, the lower ends of the side plates and the rear plate are bent inward to form an arc surface, and the arc surface is in contact with the conveying surface of the conveyor belt.

With the above technical solution, the lower ends of the side plates and the rear plate are bent inward to form an arc surface, and the arc surface is in contact with the conveying surface of the conveyor belt, so that the force bearing surface of the conveyor belt is larger when the side plate and the rear plate are in contact with the conveyor belt. Since the sides of the side panels and the rear panels are in direct contact with the conveyor belt, the conveyor belt can be better prevented from being worn out or damaged, thereby prolonging the service life of the conveyor belt.

Further, a dust suction device is connected to the top of the crusher.

With the above technical solution, when small stones are broken into stone powder in the crusher, a large amount of dust will be generated. By connecting a dust suction device on the top of the crusher, the dust in the crusher can be sucked away by the dust suction device to prevent dust. The accumulation in the crusher will affect the operation of the crusher; it also prevents the dust from being discharged from the discharge port of the crusher after too much accumulation, floating into the air and polluting the environment.

Further, support rollers are connected to the bottom of the frame.

By adopting the above technical solution, the conveyor belt can be supported by connecting the supporting rollers at the bottom of the frame.

Description of drawings

Fig. 1 is a front view of Embodiment 1 of a stone powder crushing and conveying mechanism of the present invention;

Fig. 2 is a partial sectional view along A-A in Fig. 1 (conveyor belt is not shown below the frame);

Fig. 3 is a front view of the spiral discharge dragon in Embodiment 1 of a stone powder crushing and conveying mechanism of the present invention;

Fig. 4 is a front view of Embodiment 2 of a stone powder crushing and conveying mechanism of the present invention;

Fig. 5 is the sectional view of Fig. 4 (conveyor belt is not shown below the frame);

Fig. 6 is a front view of Embodiment 3 of a stone powder crushing and conveying mechanism of the present invention.

Detailed ways

The following is further described in detail through specific implementation methods:

The marks in the drawings of the description include: small stone storage bin 1, feeding cylinder 2, crusher 3, retaining chute 4, discharge chute 5, frame 6, roller set 7, first inclined roller 701, Horizontal roller 702, cover plate 8, support roller 9, conveyor belt 10, fixed bracket 11, support rod 12, connecting rod 13, fixed rod 14, fixed bar 15, second inclined roller 16, dust collection box 17, row Dust pipe 18, spiral discharge dragon 19, rotating shaft 1901, helical blade 1902.

Embodiment one

As shown in Figure 1, Figure 2 and Figure 3, a stone powder crushing and conveying mechanism includes a small stone storage bin 1, a conveying device connected to the discharge port of the small stone storage bin 1, and a conveying device connected to the discharge port of the conveying device. The crusher 3 and the conveying device arranged below the discharge port of the crusher 3, the conveying device includes a feeding tube 2 and a screw discharge dragon 19 connected in the feeding tube 2, and the bottom of the small stone storage bin 1 is integrally formed with a Discharge cylinder, is welded with bracing frame (not shown in the figure) on the small stone storage bin 1. The feeding cylinder 2 includes a horizontal cylinder and a vertical cylinder that is welded or integrally formed below one end of the horizontal cylinder close to the crusher 3. The spiral discharge dragon 19 is connected in the horizontal cylinder; The discharge cylinder at the bottom of the small stone storage bin 1 is connected; the top of the horizontal cylinder is provided with an opening, and a cover plate 8 is arranged above the opening, and the two sides of the cover plate 8 are connected with the wall of the horizontal cylinder by screws; the end of the horizontal cylinder is close to the crusher 3 The end of the cylinder is connected with a bearing seat by screws; the top of the transverse cylinder is provided with a support frame (not shown in the figure). The end of the vertical cylinder away from the horizontal cylinder is connected to the top of the crusher 3 through a flange, and the top of the crusher 3 is provided with a feeding cylinder that matches the vertical cylinder. Spiral discharge Jiaolong 19 includes a rotating shaft 1901 and a spiral blade 1902 welded or integrally formed with the rotating shaft 1901. The end of the rotating shaft 1901 close to the small stone storage bin 1 is connected to the power output shaft of the driving motor, and the end of the rotating shaft 1901 close to the crusher 3 It is connected to the bearing housing through bearing rotation. The top of the crusher 3 is provided with a support bar 12 for supporting the horizontal cylinder, the bottom of the crusher 3 is provided with a discharge chute 5, and the bottom surface of the discharge chute 5 (the bottom surface is the back side of the discharge chute 5 in Figure 1 ) is provided with an arc Base plate; Crusher 3 is also welded or connected with a support frame (not shown) by bolts. The below of discharge chute 5 is provided with transmission device, and transmission device comprises frame 6 and is connected on the conveyor belt 10 on frame 6, and frame 6 is provided with driving roller (not shown in the figure) near the end of crusher 3, The driving roller is connected with a motor (not shown in the figure), and the end of the frame 6 away from the crusher 3 is provided with a driven roller (not shown in the figure), and the conveyor belt 10 is connected to the driving roller and the driven roller between. Frame 6 is welded with fixed bracket 11 on the side wall of one end near crusher 3, and the end of fixed bracket 11 far away from frame 6 is welded with retaining groove 4, and retaining groove 4 is positioned at the top of conveyor belt 10 feeding end, and The notch of feed chute 5 is located in the middle of feed chute 4; feed trough 4 comprises two side plates and the back plate that is detachably connected to the support of both side plates, and the back plate is connected to the left side of the two side plates as shown in Figure 1. Between the lowest ends of the sides, sliding grooves are provided on the inner side of the left end of the two side plates, and the back plate is slidably connected in the sliding grooves; The transmission surface is in contact, thereby preventing the side plate and the rear plate close to the conveyor belt 10 from scratching the conveyor belt 10 . The frame 6 is connected with a roller set 7 for supporting the conveyor belt 10. As shown in FIG. The horizontal roller 702, the first inclined roller 701 on both sides and the horizontal roller 702 in the middle form a downwardly concave arc as shown in Figure 2. The action and the support of the first inclined roller 701 and the horizontal roller 702 form a concave arc with the middle part downwards and both sides upwards, so that the stone powder can always be located in the middle of the conveyor belt 10, preventing the stone powder from being conveyed by the conveyor belt 10 at high speed. Sprinkle from conveyer belt 10 both sides; Also be welded with connecting rod 13 between frame 6 two side walls, be welded with two fixed rods 14 on the connecting rod 13, be welded with horizontal roller wheel bar between two fixed rods 14, horizontal roller The wheel 702 is rotatably connected to the horizontal roller bar; on the two side walls of the frame 6, there are also fixed strips 15 welded symmetrically, the fixed strips 15 and the connecting rods 13 are located on the same horizontal straight line, and the two fixed strips 15 are far away from the frame 6. A first skewed roller 701 rod is welded between one end and the two fixed rods 14 respectively, and the two first skewed rollers 701 are respectively rotatably connected to the first skewed roller 701 rod. The bottom of the two side walls of the frame 6 is also welded with a fixed piece, and a support roller bar is welded between the ends of the two fixed pieces away from the frame 6, and a support roller 9 is connected to the support roller bar through rotation, and the support roller 9 is used for The support moves to the conveyor belt 10 below the frame 6 .

The specific implementation process is as follows:

After the stone is broken into small stones, it is stored in the small stone storage bin 1 . When the small stones need to be further crushed and ground into stone powder, the drive motor is started, and the drive motor drives the rotating shaft 1901 to rotate. After the small stones fall into the horizontal cylinder, they are driven by the spiral blade 1902 to the crusher in the horizontal cylinder. 3, and then fall into the crusher 3 through the vertical cylinder. Small stones are further crushed and ground into stone powder in the crusher 3, and then fall to the feeding end of the conveyor belt 10 through the discharge chute 5. When the stone powder falls from the crusher 3, it will first fall to the discharge chute 5 Then slide down on the conveyor belt 10, the falling of the stone powder can be buffered by the curved bottom plate, reducing the gravity and speed of the stone powder falling, and then reducing the degree of "explosion" of the stone powder on the conveyor belt 10. Since the outlet chute 5 is located in the middle of the retaining trough 4, when the stone powder falls on the conveyor belt 10, the side plates and the back plate of the retaining trough 4 can block the stone powder, so that the stone powder can be located on the conveyor belt 10, further preventing the stone powder from falling "Explode" under the gravity of time, drop to the ground from the both sides or the end of conveyor belt 10, and then not only prevent the waste of stone powder but also can avoid that stone powder falls on the ground and pollutes the environment. If there is a lot of stone powder falling from the crusher 3, workers can also disassemble the rear plate, and then use tools to push the stone powder forward along the conveyor belt 10, thereby preventing excessive accumulation of stone powder under the discharge chute 5 and blocking the storage Notch or drop from the conveyor belt 10 to the ground. Finally, the stone powder is transferred to the next unit via the conveyor belt 10 .

Embodiment two

As shown in Figure 4 and Figure 5, the difference between this embodiment and Embodiment 1 is that, in this embodiment, a second skewed roller lever is welded on the side wall of the frame 6, and the second skewed roller lever is rotationally connected to prevent The second skewed roller wheel 16 of the conveyor belt 10 is excessively opened; the second skewed roller bar is specifically connected between the fixed strips 15 located on the same side of the frame 6, so that the second skewed roller wheel 16 and the roller group 7 are alternately arranged form; as shown in FIG. 5 , the inclination angle of the second skewed roller wheel 16 is smaller than that of the first skewed roller wheel 701 , that is, α is smaller than β. When there is a lot of stone powder produced, the stone powder falls from the crusher 3 onto the conveyor belt 10. Because the falling points are concentrated, most of the stone powder will accumulate in the middle of the conveyor belt 10. When the stone powder is transported on the conveyor belt 10, it will accumulate in the middle of the conveyor belt 10. The stone powder will slowly move towards the edge of both sides of the conveyor belt 10 under the vibration of the machine, and the second inclined roller wheel 16 that prevents the excessive expansion of the conveyor belt 10 from being fixedly connected on the frame 6, and the second inclined roller wheel 16 and the roller The wheel sets 7 are alternately arranged, and the second inclined roller wheels 16 can support the conveyor belt 10 between the two roller wheel sets 7 to prevent the stone powder from moving to both sides of the conveyor belt 10 under the rapid transmission of the conveyor belt 10, causing the conveyor belt 10 to be excessively opened. , so that the stone powder is spilled on the ground from the conveyor belt 10 between the two roller wheel sets 7, and further prevents the stone powder from falling on the ground from both sides of the conveyor belt 10; The wheel set 7 supports the conveyor belt 10. The installation of the second inclined roller 16 is more convenient and the cost is lower. Each roller set 7 needs two first inclined rollers 701 and one horizontal roller 702, while the second inclined roller Only one wheel 16 is required. By alternately arranging the roller set 7 and the second inclined roller 16, the conveyor belt 10 can be well supported, preventing the conveyor belt 10 from falling excessively under the gravity of the stone powder and causing damage, and further preventing the stone powder from falling from the conveyor belt 10 both sides. spilled.

Example three

As shown in FIG. 6 , the difference between this embodiment and Embodiment 2 is that in this embodiment, a dust suction device is connected to the top of the crusher 3 . The dust suction device includes a dust collection box 17 connected to the top of the crusher 3 , and a dust discharge pipe 18 is connected to the dust collection box 17 . By connecting the dust collection device at the top of the crusher 3, when small stones are crushed and ground into stone powder in the crusher 3 to generate dust, the dust is discharged through the dust collection box 17 through the dust discharge pipe 18, thereby preventing the accumulation of dust In the crusher 3, it will affect the operation of the crusher 3, and it can also prevent the dust from accumulating too much in the crusher 3, falling from the discharge port of the crusher 3, floating in the air, and affecting the environment.

The above is only the embodiment of the utility model, and the utility model is not limited to the field involved in this implementation case, and the common knowledge such as the specific structure and characteristics known in the scheme is not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the utility model, some deformations and improvements can also be made, and these should also be regarded as the protection scope of the utility model, and these will not affect the utility model. Effects of novel implementations and utility of patents. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.

Claims (10)

1. The utility model provides a broken conveying mechanism of mountain flour, stores the storehouse including little stone, connects conveyor on little stone storage storehouse discharge gate, connects the breaker on the conveyor discharge gate and sets up in the conveyer of breaker discharge gate below, its characterized in that: a material blocking groove is arranged at the feeding end of the conveying device and comprises two side plates and a rear plate detachably connected between the two side plates; a discharge chute is arranged at the bottom of the crusher, and an arc-shaped bottom plate is arranged at the bottom of the discharge chute; the discharge chute is positioned in the middle of the material blocking groove.

2. The stone powder crushing and conveying mechanism according to claim 1, wherein: conveyor includes defeated feed cylinder and connects in the spiral ejection of compact flood dragon of defeated feed cylinder, spiral ejection of compact flood dragon electricity is connected with driving motor.

3. The stone powder crushing and conveying mechanism according to claim 2, wherein: the conveying cylinder comprises a transverse cylinder and a vertical cylinder fixedly connected to the transverse cylinder; the spiral discharging flood dragon is connected in the transverse cylinder, and the discharging end of the spiral discharging flood dragon is positioned above the vertical cylinder; the vertical cylinder is connected to the top of the crusher.

4. A stone dust crushing and conveying mechanism as claimed in claim 3, wherein: one end of the spiral discharging screw close to the crusher is rotatably connected to the end part of the transverse cylinder through a bearing; the top of the transverse cylinder is provided with an opening, and a cover plate is detachably connected above the opening.

5. The stone dust crushing and conveying mechanism of claim 4, wherein: the conveying device comprises a rack and a conveying belt connected to the rack, the material blocking groove is fixedly connected to the rack, and the material blocking groove is positioned above the conveying belt; and the rack is also fixedly connected with a roller set for supporting the conveying belt.

6. The stone dust crushing and conveying mechanism of claim 5, wherein: the roller set comprises two first oblique rollers and a transverse roller, wherein the first oblique rollers are symmetrically arranged, the transverse roller is positioned between the two first oblique rollers, and the first oblique rollers and the transverse roller form an arc which is downwards concave.

7. The stone dust crushing and conveying mechanism of claim 6, wherein: fixedly connected with prevents the excessive open oblique running roller of second of conveyer belt in the frame, and the oblique running roller of second sets up with the running roller group in turn.

8. The stone dust crushing and conveying mechanism as claimed in claim 7, wherein: the lower ends of the side plates and the rear plate are bent inwards to form cambered surfaces, and the cambered surfaces are in contact with the conveying surface of the conveying belt.

9. The stone dust crushing and conveying mechanism of claim 8, wherein: the top of the crusher is communicated with a dust suction device.

10. The stone dust crushing and conveying mechanism of claim 9, wherein: the bottom of the frame is connected with a supporting roller.

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