CN112408002B

CN112408002B - Automatic loading system for machine-made sand

Info

Publication number: CN112408002B
Application number: CN202011397528.9A
Authority: CN
Inventors: 刘海龙
Original assignee: Anhui Dajing Building Materials Co ltd
Current assignee: Anhui Dajing Building Materials Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-06-14
Anticipated expiration: 2040-12-03
Also published as: CN112408002A

Abstract

The invention discloses an automatic loading system for machine-made sand, which comprises two bases arranged in parallel, wherein a moving base is installed on each base in a guiding manner, fixed supports are respectively installed at two ends of the moving base, a first screw rod is installed between the fixed supports, two first sliding blocks arranged at intervals are installed on the first screw rod, a second screw rod matched with the screw rod correspondingly is installed below a fixed beam above the moving base, two second sliding blocks arranged at intervals are installed on the second screw rod, the second sliding blocks and the corresponding first sliding blocks are connected and fixed through lifting frames, a circulating conveying belt is erected on each support, a material homogenizing hopper is erected at the feeding end of the circulating conveying belt, a feeding lifting machine arranged in an inclined manner is erected at one side of the material homogenizing hopper, the bottom end part of the feeding lifting machine is a feeding end, and the feeding end is located in a material storage hopper. The automatic material spreading machine has high automation strength, reduces the operation process of material taking and placing of the bucket truck, realizes automatic material spreading, has no material scattering, ensures the field environment, reduces the waste of sand and stone, and meets the use requirement.

Description

Automatic loading system for machine-made sand

The technical field is as follows:

the invention relates to machine-made sand production and processing equipment, and mainly relates to an automatic loading system for machine-made sand.

Background art:

along with the development of automation, various industries are moving towards the development of automation, the loading of sand cars is mostly carried out through a bucket excavator at present, though the bucket excavator is not required to be manually loaded, the manpower is saved, the frequent material taking process of the bucket excavator is still troublesome to operate, the material taking and placing cost is not low, and a large amount of sand and stone bulk materials are generated during loading and unloading, so that the field environment is influenced.

The invention content is as follows:

the invention aims to make up the defects of the prior art and provides an automatic loading system for machine-made sand, which aims to solve the problems in the prior art.

The invention is realized by the following technical scheme:

the automatic loading system for the machine-made sand comprises two bases arranged in parallel, guide rails are paved on the bases respectively, a moving seat is installed on the guide rails in a guiding mode and driven by a driving mechanism on the outer side of the moving seat, fixing supports are installed at two ends of the moving seat respectively, a first screw rod is installed between the fixing supports, a first slider with two intervals is installed on the first screw rod, the first slider is synchronously opposite or relatively moved, a fixing beam is erected above the moving seat, a second screw rod correspondingly matched with the first screw rod is installed below the fixing beam, a second slider with two intervals is installed on the second screw rod, the second slider is fixedly connected with the corresponding first slider through a lifting frame, a movable circulating conveying belt horizontally arranged is erected on the fixing beam, and a hopper is erected at the feeding end of the circulating conveying belt, the bottom portion of mixing hopper is provided with the discharging pipe that the interval set up, one side of mixing hopper is erect and is equipped with the feed lifting machine that the slope set up, the bottom portion of feed lifting machine is the feed end, and the feed end is arranged in the storage hopper.

The driving mechanism comprises a toothed plate, the toothed plate is arranged on a base corresponding to the outer side of the guide rail, gears meshed with the toothed plate are respectively installed on the outer side of the moving seat, the gears are driven by driving teeth of a motor output shaft end at the rear of the gears in a rotating mode, and the motor is fixedly installed on the moving seat.

The gear outside the moving seat is arranged at two intervals, the two gears are symmetrical along the center of the moving seat, guide grooves are respectively arranged on the bases on the inner sides of the guide rails, and guide wheels which are matched with the guide grooves in a guiding mode are respectively arranged on the inner sides of the moving seat.

The screw rod I and the screw rod II are respectively distributed with two sections of threads with opposite spiral directions, the two slide blocks I are respectively screwed with the threads on the corresponding sections, the lifting frame comprises a rod body I and a rod body II which are arranged in a crossed manner, the middle parts of the rod body I and the rod body II are rotationally connected through a rotating pin, the upper end and the lower end of the rod body I and the rod body II are respectively fixedly connected with the slide block I and the slide block II at the corresponding ends, the screw rod I and the screw rod II are respectively driven by motors at the corresponding ends of the screw rod I and the screw rod II, guide pillars are arranged at two ends of the upper end face of the moving seat, and guide sleeves matched with the guide pillars are respectively arranged at two ends of the bottom end face of the fixed beam.

The circulating conveyor belt comprises a first conveyor belt and a second conveyor belt which are combined in parallel, two ends of the first conveyor belt and two ends of the second conveyor belt are driven by conveying rollers at the front end and the rear end, adjacent sides of the first conveyor belt and the second conveyor belt are overlapped, the inner side of the first conveyor belt is sleeved on the inner side of the second conveyor belt, positioning protrusions which are arranged at intervals are distributed on the upper end face of the first conveyor belt, positioning grooves which are buckled with the positioning protrusions are distributed on the bottom end face of the second conveyor belt, positioning holes which are arranged at intervals are distributed on the conveying rollers, and stop pins are inserted into the positioning holes.

The outer side edges of the first conveying belt and the second conveying belt are respectively provided with a flange which is integrated with the first conveying belt and the second conveying belt, the flange is arranged at 90 degrees with the first conveying belt and the second conveying belt, the conveying rollers are respectively rotatably installed on the fixed beam, and the conveying rollers at one end are driven by a motor.

The even hopper be rectangular shape box structure, its cross-section is the infundibulate structure, the bottom portion of even hopper rotates installs the refining axle, the epaxial spiral delivery vane that is equipped with two sections spiral opposite direction of refining, the material at spiral delivery vane's middle part is carried to both sides, the bottom of discharging pipe is closed through the end cover as required.

The material homogenizing hopper is characterized in that guide plates are erected on two sides of the lower portion of the material homogenizing hopper respectively, the guide plates are located below the bottom end portion of the material discharging pipe, the intervals between the guide plates are adjustable, the bottom ends of the guide plates are fixedly mounted on adjusting lead screws below the guide plates respectively, guide seats are mounted on the adjusting lead screws, the guide seats are provided with guide plates corresponding to the guide plates, guide rods are arranged below the adjusting lead screws, guide holes matched with the guide rods in a guiding mode are formed in the guide seats, and driving hand wheels for adjusting the intervals between the guide plates are mounted at the end portions of the adjusting lead screws.

The feeding hoister comprises a circular hoisting conveying belt, hoisting plates arranged at intervals are distributed on the circular hoisting conveying belt, the hoisting plates and the circular hoisting conveying belt are inclined at a certain angle, and striker plates are arranged on two sides of the circular hoisting conveying belt and extend to the upper side of a storage hopper of the circular hoisting conveying belt from the top end of the circular hoisting conveying belt.

The machine-made sand automatic loading system comprises the following specific using method:

s1, firstly, erecting the system on a weighbridge at a position to be loaded with the truck, respectively arranging two bases on two outer sides of the weighbridge, wherein the length of each base is larger than that of the weighbridge, so that the moving range of a moving seat can meet the requirement of the loading length, then adjusting the heights of a fixed beam and a circulating conveyor belt above the moving seat through a lifting frame, so that the requirement of the optimal bulk material height of carriage positions of trucks of different models is met, then correspondingly erecting auxiliary feeding lifting machines and storage hoppers respectively, then driving the trucks to the weighbridge, enabling one end of the carriage positions to correspond to the position of a material homogenizing hopper, and completing preparation work;

s2, when loading, starting a driving motor of a feeding hoister, conveying materials in a storage hopper into a refining hopper by the feeding hoister, discharging the materials from a storage pipe at the bottom end part of the refining hopper onto a circulating conveying belt, and scattering the materials into a carriage along the circulating conveying belt through the action of the circulating conveying belt;

s3, the moving seat at the bottom end of the material storage hopper can be guided to move on the base, so that the circulating conveyor belt can uniformly disperse materials along the length direction of the carriage, materials are fully paved at each position of the carriage, and meanwhile materials in the material storage hopper can be continuously fed through the bucket truck, so that automatic and continuous feeding can be realized, the feeding amount can be calculated in advance according to the volume of the carriage, and the material storage hopper is matched with corresponding bucket metering and personnel observation until the whole carriage is fully paved with the materials.

The principle is as follows: through the structural design of the loading frame with the circulating conveyor belt bulk cargo, the effect of integrally supporting two sides is achieved through the arrangement of the base, the moving range of the moving seat can meet the requirement of loading length, the heights of the fixed beam and the circulating conveyor belt above the moving seat are adjusted through the lifting frame, so that the requirement of the optimal bulk cargo height of the carriage positions of trucks of different models is met, materials in the storage hopper are conveyed into the material homogenizing hopper through the feeding hoister, the materials are stored onto the circulating conveyor belt from the storage pipe at the bottom end part of the material homogenizing hopper, and the materials can be scattered into the carriage along the circulating conveyor belt through the action of the circulating conveyor belt; the moving seat is guided to move on the base through the bottom end of the moving seat, uniform bulk materials are distributed on the circulating conveyor belt along the length direction of the carriage, materials are fully distributed on each position of the carriage, meanwhile, materials in the storage hopper can be fed continuously through the bucket truck, automatic continuous feeding can be achieved, in the whole loading process, the automation strength is high, the operation process of taking and placing the bucket truck is reduced, the use frequency of the bucket truck is saved, abrasion of the bucket truck is reduced, material is distributed through the circulating conveyor belt, the material is distributed uniformly, when the loading quantity of the whole truck is guaranteed, no material is scattered, the site environment is guaranteed, waste of gravel is reduced, and the use requirement is met.

The invention has the advantages that:

the material spreading device has the advantages of reasonable structural design and high automation strength, reduces the operation process of material taking and placing of the bucket truck, saves the use frequency of the bucket truck, reduces the abrasion of the bucket truck, spreads materials through the circulating conveying belt uniformly, ensures the loading quantity of the whole truck, has no material scattering, ensures the field environment, reduces the waste of sand and stones, and meets the use requirements.

Description of the drawings:

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a partial structure schematic diagram of a guide section for moving matching of the base and the movable seat.

Fig. 3 is a front view of the surge bin.

Fig. 4 is a schematic structural diagram of a feeding elevator.

Fig. 5 is a schematic cross-sectional structure of the endless conveyor.

Fig. 6 is a schematic structural view showing the adjustable distance between two material guiding plates.

Reference numerals:

1. a base; 2. a guide rail; 3. a movable seat; 4. a fixed support; 5. a first screw rod; 6. a first sliding block; 7. a fixed beam; 8. a second screw rod; 9. a second sliding block; 10. circulating the conveyer belt; 11. a material homogenizing hopper; 12. a discharge pipe; 13. a feeding elevator; 14. a storage hopper; 15. a toothed plate; 16. a first rod body; 17. a second rod body; 18. rotating the pin; 10-1, conveying a first belt; 10-2, a second conveying belt; 10-3, positioning protrusions; 10-4, positioning a groove; 10-5, a stop pin; 10-6, a flange; 19. a stock guide; 20. adjusting the screw rod; 21. a guide seat; 22. circularly lifting the conveying belt; 23. lifting the material plate; 24. a striker plate.

The specific implementation mode is as follows:

see the drawings.

An automatic loading system for machine-made sand comprises two bases 1 arranged in parallel, guide rails 2 are respectively laid on the bases 1, a moving seat 3 is installed on the guide rails 2 in a guiding manner, the moving of the moving seat 3 is driven by a driving mechanism on the outer side of the moving seat, fixed supports 4 are respectively installed at two ends of the moving seat 3, a screw rod I5 is installed between the fixed supports 4, two slide blocks 6 arranged at intervals are installed on the screw rod I5, the slide blocks 6 synchronously move towards or towards each other, a fixed beam 7 is erected above the moving seat 3, a screw rod II 8 correspondingly matched with the screw rod I5 is installed below the fixed beam 7, two slide blocks 9 arranged at intervals are installed on the screw rod II 8, the slide blocks II 9 and the corresponding slide blocks I6 are connected and fixed through lifting frames, a movable circulating conveyer belt 10 arranged horizontally is erected on the fixed beam, a uniform hopper 11 is erected at the feed end of the circulating conveyer belt 10, the bottom end part of the homogenizing bucket 11 is provided with discharging pipes 12 arranged at intervals, one side of the homogenizing bucket 11 is provided with a feeding elevator 13 arranged obliquely, the bottom end part of the feeding elevator 13 is a feeding end, and the feeding end is positioned in the storage bucket 14.

Further, the driving mechanism comprises a toothed plate 15, the toothed plate 15 is arranged on the base 1 corresponding to the outer side of the guide rail 2, gears meshed with the toothed plate 15 are respectively installed on the outer side of the moving seat 3, the gears are driven by driving teeth at the output shaft end of a motor behind the gears to rotate, and the motor is fixedly installed on the moving seat 3; through the gear that removes seat one side and the pinion rack meshing on the base, realized removing the guide movement of seat on the guide rail, remove the seat and removed and realized providing the basis along the even bulk cargo of carriage length direction. The gears outside the movable seat 3 are arranged at two intervals and are symmetrical along the center of the movable seat 3, the base 1 at the inner side of the guide rail 2 is respectively provided with a guide groove, and the inner side of the movable seat 3 is respectively provided with a guide wheel which is in guide fit with the guide groove; through the structure of guide pulley, played the effect of auxiliary stay, guaranteed to remove the stability of seat in the removal process.

Furthermore, two sections of threads with opposite spiral directions are distributed on the first screw rod 5 and the second screw rod 8 respectively, the first sliding blocks 6 are screwed with the threads on the corresponding sections respectively, the lifting frame comprises a first rod body 16 and a second rod body 17 which are arranged in a crossed manner, the middle parts of the first rod body 16 and the second rod body 17 are rotatably connected through a rotating pin 18, the upper end and the lower end of the first rod body 16 and the lower end of the second rod body 17 are fixedly connected with the first sliding blocks 6 and the second sliding blocks 9 at the corresponding ends respectively, the first screw rod 5 and the second screw rod 8 are driven by motors at the corresponding ends respectively, guide pillars are arranged at two ends of the upper end face of the movable base 3, and guide sleeves matched with the guide pillars are arranged at two ends of the bottom end face of the fixed beam 7 respectively; the first screw rod and the second screw rod are driven to rotate through the motor, the first slide block and the second slide block are driven to move relatively or oppositely, so that power is provided for lifting of the fixed beam and the circulating conveyor belt, and stability of the whole fixed beam and the lifting process of the circulating conveyor belt is enhanced through guide matching of the guide pillar and the guide sleeve.

Further, the circulating conveyer belt 10 comprises a first conveyer belt 10-1 and a second conveyer belt 10-2 which are combined in parallel, two ends of the first conveyer belt 10-1 and the second conveyer belt 10-2 are driven by conveying rollers at the front end and the rear end, the adjacent sides of the first conveyer belt 10-1 and the second conveyer belt 10-2 are overlapped, the inner side edge of the first conveyer belt 10-1 is sleeved on the inner side edge of the second conveyer belt 10-2, positioning protrusions 10-3 which are arranged at intervals are distributed on the upper end surface of the first conveyer belt 10-1, positioning grooves 10-4 which are buckled with the positioning protrusions are distributed on the bottom end surface of the second conveyer belt 10-2, positioning holes which are arranged at intervals are distributed on the conveying rollers, and stop pins 10-5 are inserted into the positioning holes; through the combination of the first conveying belt and the second conveying belt, the whole width of the circulating conveying belt is adjustable, the requirements of loading of different widths can be met, the adjusting is directly achieved through the buckling of the positioning protrusions and the positioning grooves of the corresponding inner side faces, the blanking sand and stones are not multiple, the supporting requirements can be completely met, after the whole width of the circulating conveying belt is adjusted, the bolt is used for assisting limiting, and the deviation phenomenon in the transmission process is avoided. The outer sides of the first conveying belt 10-1 and the second conveying belt 10-2 are respectively provided with a flange 10-6 integrated with the first conveying belt 10-1 and the second conveying belt 10-2, the flange 10-6 is arranged at an angle of 90 degrees with the first conveying belt 10-1 and the second conveying belt 10-2, the conveying rollers are respectively rotatably arranged on the fixed beam 7, and the conveying rollers at one end are driven by a motor; through the structure of flange, can make the grit carry on spacingly on blanking to conveyer belt one and conveyer belt two, avoid it along with the operation of endless conveyor belt, scatter out, and influence the loading environment.

Further, the material homogenizing hopper 11 is a long strip-shaped box body structure, the cross section of the material homogenizing hopper is a funnel-shaped structure, a material homogenizing shaft is rotatably installed at the bottom end part of the material homogenizing hopper 11, two sections of spiral conveying blades with opposite spiral directions are arranged on the material homogenizing shaft, materials in the middle of the spiral conveying blades are conveyed to two sides, and the bottom end of the material discharging pipe 12 is sealed through an end cover as required; through the structural design of infundibulate surge hopper, the smooth unloading after convenient the promotion, through the structural design of the surge shaft and the auger delivery blade of its bottom, can carry the material that falls down from the lifting machine to both sides, thereby realize that bottom portion has evenly laid the material, thereby guarantee that every discharging pipe all has the material unloading, guarantee the surge effect, and the bottom of discharging pipe can seal its bottom according to loading width requirement, satisfy along the even stone in the width direction. Guide plates 19 are respectively erected on two sides below the material homogenizing hopper 11, the guide plates 19 are positioned below the bottom end part of the material discharging pipe, the intervals between the guide plates 19 are adjustable, the bottom ends of the guide plates 19 are respectively and fixedly installed on adjusting screw rods 20 below the guide plates 19, guide seats 21 are installed on the adjusting screw rods 20, the guide seats 21 are provided with the guide plates 19 corresponding to the guide seats, guide rods are arranged below the adjusting screw rods 20, guide holes matched with the guide rods in a guiding mode are formed in the guide seats 21, and driving hand wheels for adjusting the intervals between the guide plates are installed at the end parts of the adjusting screw rods 20; through the structural design of stock guide, reduce and receive the influence of external environment, can guarantee that the material that gets off from the refining hopper all falls into to the endless conveyor belt on, the interval between the stock guide can correspond with the endless conveyor belt according to the loading width and adjust, its adjustment through rotate the hand wheel drive stock guide on the adjustment lead screw direction adjustment can.

Further, the feed lifting machine is including circulation promotion conveyer belt 22, and it has the promotion flitch 23 that the interval set up to distribute on the circulation promotion conveyer belt 22, promotes flitch 23 and circulation promotion conveyer belt 22 slope certain angle setting, and the both sides that circulation promoted the conveyer belt 22 are provided with striker plate 24, and striker plate 24 extends to circulation promotion conveyer belt storage hopper 14's top from circulation promotion conveyer belt 22.

The machine-made sand automatic loading system with the structure has the specific using method that:

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic loading system of mechanism sand which characterized in that: including base (1) that two side by side set up, guide rail (2) have been laid respectively on base (1), guide rail (2) are gone up the direction and are installed and remove seat (3), the removal that removes seat (3) is through the actuating mechanism drive in its outside, fixing support (4) are installed respectively to the both ends of removing seat (3), install lead screw (5) between fixing support (4), install slider (6) that two intervals set up on lead screw (5), slider (6) are synchronous in opposite directions or relative movement, fixed beam (7) have been erect to removal seat (3) top, the below of fixed beam (7) is installed and is corresponded complex lead screw two (8) with lead screw (5), install slider two (9) that two intervals set up on lead screw two (8), be connected fixedly through the crane between slider two (9) and the slider one (6) that correspond, a movable horizontally-arranged circulating conveyor belt (10) is erected on the fixed beam, a material homogenizing hopper (11) is erected at the feeding end of the circulating conveyor belt (10), material discharging pipes (12) arranged at intervals are arranged at the bottom end part of the material homogenizing hopper (11), a feeding elevator (13) arranged obliquely is erected at one side of the material homogenizing hopper (11), the bottom end part of the feeding elevator (13) is a feeding end, and the feeding end is positioned in a material storing hopper (14);

the circulating conveyer belt (10) comprises a first conveyer belt (10-1) and a second conveyer belt (10-2) which are combined in parallel, the two ends of the first conveying belt (10-1) and the second conveying belt (10-2) are driven by the conveying rollers at the front end and the rear end, the adjacent sides of the first conveying belt (10-1) and the second conveying belt (10-2) are overlapped, the inner side edge of the first conveying belt (10-1) is sleeved on the inner side edge of the second conveying belt (10-2), the upper end surface of the first conveying belt (10-1) is distributed with positioning bulges (10-3) arranged at intervals, positioning grooves (10-4) buckled with the positioning bulges are distributed on the bottom end surface of the second conveying belt (10-2), positioning holes are distributed on the conveying roller at intervals, and stop pins (10-5) are inserted into the positioning holes;

flanges (10-6) integrated with the first conveying belt (10-1) and the second conveying belt (10-2) are respectively arranged on the outer side edges of the first conveying belt (10-1) and the second conveying belt (10-2), the flanges (10-6) are arranged at 90 degrees to the first conveying belt (10-1) and the second conveying belt (10-2), the conveying rollers are respectively rotatably installed on the fixed beam (7), and the conveying rollers at one ends are driven by a motor.

2. The automatic loading system of machine-made sand of claim 1, wherein: actuating mechanism including pinion rack (15), pinion rack (15) set up on base (1) that corresponds guide rail (2) outside, remove seat (3) outside and install the gear with pinion rack (15) meshing respectively, the rotation of gear is driven by the drive tooth of the motor output axle head at its rear, motor fixed mounting is on removing seat (3).

3. The automatic loading system of machine-made sand of claim 2, wherein: the gear that removes seat (3) outside set up for two intervals, it is along the central symmetry that removes seat (3), be equipped with the guide slot on base (1) of guide rail (2) inboard respectively, the inboard guide pulley of installing with guide slot direction complex respectively of removing seat (3).

4. The automatic loading system of machine-made sand of claim 1, wherein: the screw rod I (5) and the screw rod II (8) are respectively provided with two sections of threads with opposite spiral directions, the two sliding blocks I (6) are respectively screwed with the threads on the corresponding sections, the lifting frame comprises a rod body I (16) and a rod body II (17) which are arranged in a crossed mode, the middle parts of the rod body I (16) and the rod body II (17) are rotatably connected through a rotating pin (18), the upper end and the lower end of the rod body I (16) and the rod body II (17) are respectively fixedly connected with the sliding blocks I (6) and the sliding blocks II (9) at the corresponding ends, the screw rod I (5) and the screw rod II (8) are respectively driven by motors at the corresponding ends, two ends of the upper end face of the movable base (3) are provided with guide pillars, and two ends of the bottom face of the fixed beam (7) are respectively provided with guide sleeves matched with the guide pillars.

5. The automatic loading system of machine-made sand of claim 1, characterized in that: even hopper (11) be rectangular shape box structure, its cross-section is the infundibulate structure, the bottom portion of even hopper (11) rotates installs the refining axle, the epaxial spiral delivery vane that is equipped with two sections spiral opposite direction of refining, the material at spiral delivery vane's middle part is carried to both sides, the bottom of discharging pipe (12) is sealed through the end cover as required.

6. The automatic loading system of machine-made sand of claim 5, wherein: the below both sides of even hopper (11) erect guide plate (19) respectively, guide plate (19) are located the below of the bottom portion of discharging pipe, the interval between guide plate (19) is adjustable, the bottom of guide plate (19) is fixed mounting respectively on adjustment lead screw (20) of its below, install guide holder (21) on adjustment lead screw (20), install guide plate (19) rather than corresponding on guide holder (21), the below of adjustment lead screw (20) is equipped with the guide arm, be equipped with on guide holder (21) with guide arm direction complex guiding hole, the driving hand wheel of interval between the adjustment guide plate is installed to the tip of adjustment lead screw (20).

7. The automatic loading system of machine-made sand of claim 1, characterized in that: the feed lifting machine including circulation promotion conveyer belt (22), it has promotion flitch (23) that the interval set up to distribute on circulation promotion conveyer belt (22), promote flitch (23) and certain angle setting of circulation promotion conveyer belt (22) slope, the both sides that circulation promoted conveyer belt (22) are provided with striker plate (24), striker plate (24) extend to the top that circulation promoted conveyer belt storage hopper (14) from the top that circulation promoted conveyer belt (22).

8. The automatic loading system for machine-made sand according to claim 1, wherein the specific using method comprises the following steps:

s2, when loading, starting a driving motor of a feeding hoister, conveying materials in a storage hopper into a refining hopper by the feeding hoister, discharging the materials from a discharge pipe at the bottom end of the refining hopper onto a circulating conveying belt, and scattering the materials into a carriage along the circulating conveying belt through the action of the circulating conveying belt;