CN210935147U - Automatic production line for making sand by using crushed stones - Google Patents

Abstract

The utility model discloses an automatic production line for crushed stone and sand making, which belongs to the technical field of stone material processing. A vibrating feeder is arranged below the first discharge hopper, a first feed hopper is set on one side of the crushed stone roller machine, and a first feed hopper is arranged between the first feed hopper and the vibratory discharge machine. The conveyor belt, the end of the first feeding hopper away from the first conveyor belt extends obliquely to the inside of the crushed rock roller machine. The utility model is provided with a vibrating discharge machine, a crushed rock roller machine and a vibration shakeout machine. Connected by a conveyor belt, the crushed stone and crushed sand can be automatically transported without manual unloading of crushed sand, which greatly reduces the labor intensity of workers. for subsequent secondary crushing.

Description

An automatic production line for crushed stone and sand making

technical field

The utility model discloses an automatic production line for crushed stone sand making, which belongs to the technical field of stone processing.

Background technique

Sand making production line is a kind of processing and production equipment that uses larger particle size stone as raw material to produce finished aggregates of different specifications. The finished aggregate can meet the requirements of the concrete industry, and can be used to make up for the decreasing natural crushed sand and reduce the production cost of building materials such as concrete.

The utility model patent announced as CN206549800U discloses a crushed stone machine-made sand production line, including an inclined upward feeding auger, a sand making machine, a spiral discharge device, a screening device, a dust removal device, a wet mixing device and a sand discharge device connected in sequence. The device, wherein the sand making machine is made to process the sand material at high altitude through a bracket of at least three meters high, the conveying auger lifts the crushed stone to the sand making machine through the screw conveying device, and the spiral discharging device includes a set from top to bottom. The spiral conveying track and several deceleration structures located on one side of the spiral conveying track, the spiral discharging device slowly drops the coarse sand produced by the sand making machine from top to bottom to the screening device; the screening device includes from top to bottom The vibrating screen, the strong magnetic screen, the cyclone and the sand outlet of the horn are set in sequence.

The above patent uses the spiral discharge device to slowly drop the coarse sand produced by the sand making machine from top to bottom to the screening device, thereby eliminating the impact of the vibration of the sand making machine on the sand making production line. For the crushed sand screened by vibration, workers need to manually discharge the material, and it is impossible to perform secondary crushing treatment on the crushed sand with large particles. At the same time, the above-mentioned sand making production line occupies a large area.

Utility model content

The purpose of the utility model is to solve the problem that in the existing crushed stone sand making production line, the crushed sand screened by vibration needs to be manually discharged by workers, and the crushed sand with large particles cannot be subjected to secondary crushing treatment, and a sand making machine is installed at the same time. The problem of large floor space, but to provide an automatic production line for crushed stone sand.

The utility model achieves the above objects through the following technical solutions. An automatic production line for crushed stone and sand making includes a stacking bin, a crushed rock-to-roller and a vibrating shakeout machine. The lower end of the stacking bin is provided with a first discharge hopper. , a vibrating feeder is arranged below the first discharge hopper, a first feeding hopper is arranged on one side of the crushed stone roller machine, and a vibrating feeder is arranged between the first feeding hopper and the vibrating feeder. The first conveyor belt, the end of the first feeding hopper away from the first conveyor belt extends obliquely to the inside of the crushed stone-to-roller machine, the lower end of the crushed-to-roller machine is provided with a second discharge hopper, and the second discharge hopper A second conveyor belt is arranged below the conveyor belt, and one end of the second conveyor belt is fixed on the outer wall of the stacker. The top of the shakeout machine is provided with a second feed hopper, and the lower end of the shakeout shaker is provided with a third discharge hopper. The shakeout shaker is provided with a downwardly inclined screen, the lowest part of the screen is A return hopper is provided for conveying the large particles of crushed sand to the stacking bin, and the end of the return hopper away from the vibrating shakeout machine extends to above the first discharge hopper.

By adopting the above technical solution, the crushed stone falls from the first discharge hopper at the lower end of the stacking bin to the vibrating feeder. The crushed stone is transported from a low place to the first feeding hopper located at a high place, and then enters the crushed stone roller machine for rolling and crushing, so as to form small particles of crushed sand, and then conveyed to the second discharge hopper. On the second conveyor belt, the transmission angle of the crushed sand is changed under the action of the transmission device, so that it can be transported to the vibrating shakeout machine. The granular crushed sand will be transported to the stacking bin through the return hopper for secondary crushing. The reciprocating cycle can crush the crushed stone to a suitable size of crushed sand. At the same time, the entire production line is automatically controlled without manual unloading of crushed sand, which greatly reduces the the labor intensity of workers.

Preferably, the transmission device includes three third conveyor belts conveyed at different angles, wherein one of the third conveyor belts is located between the first conveyor belt and the second conveyor belt, and a material guide frame is arranged between the second conveyor belt and the first conveyor belt.

By adopting the above technical solution and setting up the guide frame, the crushed sand can be smoothly conveyed to the third conveyor belt, and the three third conveyor belts are arranged in a folded line structure, so that the crushed sand can be smoothly transported to the vibrating shakeout machine, and at the same time The entire structure is more compact, reducing the footprint of the entire production line.

Preferably, the first conveyor belt, the second conveyor belt and the third conveyor belt are provided with several material guide devices, and the material guide devices include three concavely distributed rollers and a curved frame rotatably connected to the rollers.

By adopting the above technical solution, the material guiding device is composed of a roller and a curved frame, wherein the roller is located below the conveyor belt in the first conveyor belt. During the conveying process of crushed stone and crushed sand, the roller will be driven by the conveyor belt to start rolling , so that the transmission is more smooth and smooth, and the three rollers are distributed in a concave shape, which can reduce the falling of crushed stone and crushed sand during transmission.

Preferably, the crushed stone-to-roller includes two rollers distributed up and down, the roller located above can rotate upward around one end thereof, and one end of the first feeding hopper is facing the middle of the two rollers Location.

By adopting the above technical solution, two rollers are set, and the crushed stone enters between the two rollers through the first feeding hopper. Under the pressure of the rollers, the crushed stone is crushed into small particles of crushed sand, and one of the The rollers are set to be rotatable, and the distance between the two rollers can be adjusted to control the particle size of the crushed sand during grinding.

Preferably, a material blocking device is arranged between the first discharging hopper and the vibrating discharging machine.

By adopting the above technical solution and setting up a material blocking device, the falling amount of the crushed stone from the first discharge port can be controlled, so as to avoid the vibrating discharge machine from transporting too much crushed stone to the first conveyor belt.

Preferably, the material blocking device comprises a material blocking plate inclined along the side wall of the first discharge hopper, a control rod is fixedly connected to the material blocking board, and a bracket rotatably connected with the control rod is arranged in the middle of the control rod. Both sides of the baffle plate are provided with guide pressing blocks.

By adopting the above technical solution, a joystick, a bracket and a baffle plate are provided, wherein the middle part of the joystick is hinged with the bracket to form a lever structure, so that when one end of the joystick is pressed, the baffle plate can be driven to move upward, thereby opening the first outlet. The lower end of the hopper is open and can be closed after reverse movement.

Preferably, a number of discharging bins are provided on the side of the shakeout machine away from the stacking bin, and a fourth conveyor belt is provided below the third discharging hopper, and the fourth conveyor belt is inclined upward from the third discharging hopper It extends above one of the discharging bins, and a movable conveying device for conveying crushed sand to different discharging bins is arranged between adjacent discharging bins.

By adopting the above technical solution and setting up a fourth conveyor belt, the crushed sand falling from the third discharge hopper can be transported to the discharge bin, and at the same time, the movable conveying device can catch the crushed sand falling from the fourth conveyor belt, so that the crushed sand falling from the fourth conveyor belt can be transported to the discharge bin. When one discharge bin is full of crushed sand, it can be transported to another discharge bin.

Preferably, the movable conveying device includes a slide rail frame, a fifth conveyor belt slidably connected with the slide rail frame, and a hydraulic cylinder for driving the fifth conveyor belt to move.

By adopting the above technical solution, the fifth conveyor belt can move back and forth on the slide rail frame under the action of the hydraulic cylinder, and the structure is simple and the control is convenient.

Compared with the prior art, the beneficial effects of the present utility model are:

By setting a vibrating feeder, a crushing rock-to-roller and a vibrating shakeout machine, the crushed rock is automatically transported to the crushed rock-to-roller by the first conveyor belt after falling from the stacker to be crushed into crushed sand, and then the second conveyor belt and The transmission device is automatically transported to the vibrating shakeout machine, so as to screen out the crushed sand that meets the requirements. The large-particle crushed sand is transported to the stacking bin through the return hopper for subsequent secondary crushing treatment. The entire production line is automatically controlled without the need for The manual unloading of crushed sand greatly reduces the labor intensity of workers. At the same time, crushed sand is transported to the discharge bin through the fourth conveyor belt, and after one of the discharge bins is full of crushed sand, it is transported by the movable conveying device to It is placed in another silo to reduce the inconvenience of subsequent transportation by forklift.

Description of drawings

Fig. 1 is a three-dimensional view one of a kind of automatic production line of crushed stone sand making of the present utility model, which is used to display the whole structure of the production line;

Fig. 2 is the second perspective view of an automatic production line for crushed stone sand making according to the present utility model, which is used to show the positional relationship between the vibrating shakeout machine, the stacking bin and the return hopper;

3 is a side view of an automatic production line for crushed stone sand making according to the present utility model, which is used to display the positional relationship of the discharge bin, the fourth conveyor belt and the movable conveying device;

Figure 4 is a partial structure diagram of an automatic production line for crushed stone sand making, for showing the structure of the vibrating feeder and the first conveyor belt;

Fig. 5 is the partial enlarged view of A in Fig. 4, is used for showing the structure of the stopper device;

FIG. 6 is a partial enlarged view at B in FIG. 4 , for showing the structure of the material guiding device.

Reference numerals: 1. Gravel roller machine; 2. Roller; 3. Transmission device; 4. Second conveyor belt; 5. Second feeding hopper; 6. Vibrating shakeout machine; 8. Stacking bin; 9. Material guide frame; 10. Vibrating feeder; 11. The first conveyor belt; 12. The first feeding hopper; 13. The curved frame; ; 16, the fourth conveyor belt; 17, the fifth conveyor belt; 18, the slide rail frame; 19, the hydraulic cylinder; 20, the discharge bin; 21, the joystick; ; 25. Roller.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Fig. 1-Fig. 6, an automatic production line for crushed stone sand making includes a stacking bin 8, a crushed stone roller machine 1 and a vibrating shakeout machine 6, and a first discharge hopper 15 is provided below the stacking bin 8 , the crushed stone can automatically fall into the vibrating discharge machine 10, and a material blocking device is provided on the side wall of the first discharging hopper 15. Both sides of the material plate 23 are provided with guide pressing blocks 22, the blocking plate 23 can move up and down between the two guiding pressing blocks 22, and one end of the control rod 21 is fixedly connected with the blocking board 23, and the middle part of the operating rod 21 is fixedly connected. It is rotatably connected with the bracket 24, so that the joystick 21 can form a lever structure. By pressing the joystick 21 up or down, the baffle 23 closes or opens the first discharge hopper 15, so as to control the falling amount of the crushed stone. After passing through the vibrating feeder 10, the stone will be transported by the first conveyor belt 11 to the first feeding hopper 12, and then enter the crushed rock-to-roller 1, and the crushed-to-roller 1 is composed of two rollers 2. The crushed sand is crushed into sand under the rolling action of the crusher, one of the rollers 2 can be rotated around one end to adjust the distance between the two rollers 2, so that the particle size of the crushed sand can be controlled. The second discharge hopper enters the second conveyor belt 4, the second conveyor belt 4 will transport the crushed sand from the low place to the high place, and enter the conveying device 3 through the material guide frame 9, wherein the conveying device 3 comprises three third conveyor belts distributed in fold lines. At the same time, the third conveyor belt is placed obliquely, so that the crushed sand can be smoothly transported to the vibrating sand shaker 6 distributed side by side with the stacker 8, and the crushed stone enters through the second feeding hopper 5 after falling from the third conveyor belt. In the shakeout machine 6, there is an inclined screen in the shakeout machine 6, and the crushed sand gradually falls along the screen under the action of vibration, and the crushed sand smaller than the aperture of the screen will fall from the third discharge hopper 7. out, and the crushed sand larger than the aperture of the screen mesh will fall back to the silo 8 from the return hopper 14 at the lowest position of the shakeout machine 6. The transportation of crushed stone and crushed sand and the fall of crushed sand in the above-mentioned process are all The use of automatic conveying method can greatly reduce the work intensity of workers in feeding and discharging materials, while the automatic realization of sand making can improve production efficiency. In this way, the final crushed sand can meet the production requirements, and it is only necessary to replace different screens.

A fourth conveyor belt 16 is arranged below the third discharge hopper 7, which can transport the crushed sand that meets the requirements to the discharge bin 20 located on the side of the vibrating shakeout machine 6, and there are multiple discharge bins 20, two of which are A movable conveying device is arranged between the discharging bins 20 . The movable conveying device includes a slide rail frame 18 , a fifth conveyor belt 17 slidably connected to the slide rail frame 18 , and a hydraulic cylinder 19 for driving the fifth conveyor belt 17 to move. The fifth conveyor belt 17 Driven by the hydraulic cylinder 19, it can slide on the sliding rail frame 18 to catch the crushed sand falling from the fourth conveyor belt 16. When one of the discharging bins 20 is full of crushed sand, it can be transported to another. In one discharging bin 20, the inconvenience of subsequent transportation by forklifts is reduced.

The first conveyor belt 11, the second conveyor belt 4 and the third conveyor belt are all provided with several material guide devices. The material guide devices are composed of rollers 25 and curved frames 13, wherein the rollers 25 are located below the conveyor belt in the first conveyor belt 11. During the conveying process of crushed stone and crushed sand, the rollers 25 will start rolling under the drive of the conveyor belt, so that the transmission of crushed stone or crushed sand is smoother and smoother, and the three rollers 25 are distributed in a concave shape, which can reduce the rate of crushed stone. and crushed sand falling while teleporting.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. An automatic production line for making sand from crushed stones comprises a material piling bin (8), a crushed stone double-roller machine (1) and a vibrating shakeout machine (6), and is characterized in that a first discharging hopper (15) is arranged at the lower end of the material piling bin (8), a vibrating discharging machine (10) is arranged below the first discharging hopper (15), a first feeding hopper (12) is arranged on one side of the crushed stone double-roller machine (1), a first conveying belt (11) is arranged between the first feeding hopper (12) and the vibrating discharging machine (10), one end, away from the first conveying belt (11), of the first feeding hopper (12) obliquely extends into the crushed stone double-roller machine (1), a second discharging hopper is arranged at the lower end of the crushed stone double-roller machine (1), a second conveying belt (4) is arranged below the second discharging hopper, one end of the second conveying belt (4) is fixed on the outer wall of the material piling bin (8), be provided with transmission device (3) that change rubble direction of transmission between vibration shakeout machine (6) and second conveyer belt (4), the top of vibration shakeout machine (6) is provided with second feeder hopper (5), and the lower extreme of vibration shakeout machine (6) is provided with third play hopper (7), be provided with the screen cloth of downward sloping in vibration shakeout machine (6), the lowest of screen cloth is provided with and is used for carrying large granule broken sand to return hopper (14) of piling bin (8), the one end that vibration shakeout machine (6) was kept away from in return hopper (14) extends to the top of first play hopper (15).

2. An automatic production line for making sand from crushed stones according to claim 1, characterised in that said conveying means (3) comprise three third conveyor belts fed at different angles, one of said third conveyor belts being located between the first conveyor belt (11) and the second conveyor belt (4) and being provided with a guide (9) between itself and the second conveyor belt (4).

3. The automatic production line for making sand from crushed stones as claimed in claim 2, wherein a plurality of material guiding devices are arranged on each of the first conveyor belt (11), the second conveyor belt (4) and the third conveyor belt, and each material guiding device comprises three rollers (25) distributed in a concave shape and a bent frame (13) rotatably connected with the rollers (25).

4. An automatic production line for making sand from crushed stones according to claim 1, characterized in that the crushing roller pair (1) comprises two rollers (2) distributed up and down, the roller (2) above can rotate upwards around one end, and one end of the first feeding hopper (12) is opposite to the middle position of the two rollers (2).

5. An automatic production line for making sand from crushed stones according to claim 1, characterized in that a material blocking device is arranged between the first discharging hopper (15) and the vibrating discharging machine (10).

6. The automatic crushed stone sand making production line according to claim 5, wherein the material blocking device comprises a material blocking plate (23) which is obliquely arranged along the side wall of the first discharging hopper (15), an operating rod (21) is fixedly connected onto the material blocking plate (23), a support (24) which is rotatably connected with the operating rod (21) is arranged in the middle of the operating rod (21), and guide pressing blocks (22) are arranged on two sides of the material blocking plate (23).

7. The automatic broken stone-sand production line according to claim 1, characterized in that a plurality of discharging bins (20) are arranged on one side of the vibrating shakeout machine (6) far away from the stacking bins (8), a fourth conveyor belt (16) is arranged below the third discharging bin (7), the fourth conveyor belt (16) extends from the third discharging bin (7) to the upper side of one of the discharging bins (20) in an upward inclined manner, and a movable conveying device for conveying broken sand to different discharging bins (20) is arranged between adjacent discharging bins (20).

8. An automatic production line for making sand from crushed stones according to claim 7, characterized in that the movable conveying device comprises a slide rail frame (18), a fifth conveyor belt (17) connected with the slide rail frame (18) in a sliding way, and a hydraulic cylinder (19) driving the fifth conveyor belt (17) to move.

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