CN214925530U

CN214925530U - Automatic feeding device for manufacturing concrete test piece

Info

Publication number: CN214925530U
Application number: CN202120615871.XU
Authority: CN
Inventors: 杨让明
Original assignee: Shanghai Shenkun Concrete Group Co ltd
Current assignee: Shanghai Shenkun Concrete Group Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-30
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to an automatic material conveying device is used in concrete specimen manufacturing, it includes the track, the track is closed to be set up, it is provided with a plurality of hoppers to slide on the track, orbital one side is provided with the filling tube that is used for adding the material in to the hopper, the opposite side of hopper is provided with the module making subassembly that is used for making the mould, the discharge gate has been seted up to the bottom of hopper, discharge gate department rotates and is provided with the discharge door, still be provided with on the track and be used for driving the gliding driving piece of hopper. The present application has an effect that manufacturing efficiency can be improved.

Description

Automatic feeding device for manufacturing concrete test piece

Technical Field

The application relates to the field of concrete experiment is used, especially relates to an automatic material conveying device is used in concrete sample manufacturing.

Background

The concrete compressive strength is an important index for measuring the concrete quality, the concrete compressive strength is obtained by detecting a concrete test block by a concrete compressive strength detection device, the concrete test block is an important material in construction, and the concrete test block is required to be manufactured for each batch of used concrete for sample detection.

In the related art, the concrete test block is manufactured manually by workers, and needs to go through the processes of molding, vibrating, curing and the like, and each step needs to be completed manually by the workers in the manufacturing process.

In view of the above-mentioned related technologies, the inventor believes that there are defects that the manufacturing process of the concrete test block is complicated, and the manual manufacturing efficiency is low when a large amount of concrete test blocks are manufactured.

SUMMERY OF THE UTILITY MODEL

In order to improve manufacturing efficiency, this application provides a concrete sample makes and uses automatic material conveying device.

The application provides a pair of automatic material conveying device for concrete sample manufacturing adopts following technical scheme:

the utility model provides a concrete sample makes and uses automatic material conveying device, includes the track, the closed setting of track, it is provided with a plurality of hoppers to slide on the track, orbital one side is provided with the filling tube that is used for adding the material in to the hopper, the opposite side of hopper is provided with the module making subassembly that is used for making the model, the discharge gate has been seted up to the bottom of hopper, discharge gate department rotates and is provided with the discharge door, still be provided with on the track and be used for driving the gliding driving piece of hopper.

By adopting the technical scheme, when the concrete test block is manufactured, firstly, the stirred concrete is added towards the plurality of hoppers by using the feeding pipes, then the plurality of hoppers are driven to slide on the rail by the driving piece, and the hoppers loaded with the materials are transported to the position of the molding assembly by using the rail; the material flows out of the hopper, enters a module manufacturing component and is prepared for manufacturing a concrete test block; in the feeding process of manufacturing the concrete test blocks, manual operation of workers is not needed, even if large batches of concrete test blocks are manufactured, the concrete test blocks can be processed at a high speed, and the effect of improving the manufacturing efficiency is achieved.

It is optional, a plurality of all rotate on the hopper and be provided with the gyro wheel, the spout has been seted up on the track, gyro wheel and spout sliding fit, the driving piece includes the chain, it is a plurality of the gyro wheel all with chain fixed connection, orbital one side is provided with the fixed plate, wear to be equipped with the axis of rotation on the fixed plate, the one end of axis of rotation is provided with the gear, gear and chain tooth cooperation, still be provided with a servo motor on the fixed plate, the one end fixed connection of gear is kept away from with the axis of rotation to a servo motor's output shaft.

By adopting the technical scheme, the plurality of hoppers can slide in the sliding groove through the rollers, and the plurality of rollers can provide support for the chain, so that the chain can move in the sliding groove; after first servo motor starts, first servo motor's output shaft rotates and just can drive the axis of rotation and rotate, and the axis of rotation rotates and is driving gear revolve, gear and chain meshing, then gear revolve makes the chain can be at the spout internal motion, and the chain motion is moving along orbital length direction with driving a plurality of hoppers, has the effect of being convenient for drive a plurality of hoppers.

Optionally, a fixed shaft penetrates through the discharge port on the hopper, the fixed shaft penetrates through the discharge door, a second servo motor is arranged outside the discharge port and on one side of the discharge port, and an output shaft of the second servo motor is fixedly connected with one end of the fixed shaft.

Through adopting above-mentioned technical scheme, the fixed axle is worn to establish on the hopper, then second servo motor starts the back, and second servo motor's output shaft rotates just can drive the fixed axle and rotate to rotate the discharge door, in order to open the discharge gate, emit the material in the hopper, have the effect of the control discharge door of being convenient for.

Optionally, a proximity switch is arranged on the hopper, a trigger matched with the proximity switch for use is arranged on the molding assembly, and the proximity switch responds to the approach of the trigger to output a positioning signal.

Through adopting above-mentioned technical scheme, when the hopper moved towards the system mould subassembly, proximity switch was close to the trigger piece, and proximity switch is triggered, output locating signal, through locating signal, can judge and stop the track at what moment for the hopper can aim at the system mould subassembly.

Optionally, the last cover of gyro wheel is equipped with the ring, be provided with the connecting rod on the ring, the one end that the ring was kept away from to the connecting rod is provided with the couple, be provided with many down tube on the hopper, many the down tube is connected with a plurality of base angles of hopper, many the one end that the hopper was kept away from to the down tube is provided with the link.

By adopting the technical scheme, the plurality of inclined rods are connected to the plurality of bottom corners of the hopper, so that better support can be provided for the hopper, the hopper is more stably connected, and the plurality of connecting rods are connected with the hopper through the hooks and the hanging rings, so that the effect of conveniently detaching the hopper from the connecting rods is achieved; the ring cover on the connecting rod is established on the gyro wheel for the gyro wheel can roll in the ring, and the gyro wheel can provide the support for the connecting rod.

Optionally, one end of the connecting rod, which is far away from the circular ring, is provided with a tension sensor, one end of the tension sensor, which is far away from the connecting rod, is fixedly connected with the hook, and the tension sensor is used for detecting the weight of the hopper and outputting a weight signal.

Through adopting above-mentioned technical scheme, force sensor sets up between connecting rod and couple, has just contained the weight of material in hopper and the hopper in then the weight signal of force sensor output, when the material in the discharge hopper, through the weight information that the weight signal contains, just can judge the material surplus in the hopper to be convenient for control reinforced process.

Optionally, the system further comprises a processing chip U1, a first servo motor driver and a second servo motor driver, wherein the first servo motor driver is used for controlling a first servo motor, and the second servo motor driver is used for controlling a second servo motor;

the signal output end of the proximity switch is connected with a first signal input end TK1 of a processing chip U1, and the signal output end of the tension sensor is connected with a second signal input end TK2 of a processing chip U1; the first signal output end TK10 of the processing chip U1 is connected with the signal input end of a first servo motor driver, and the second signal output end TK9 of the processing chip U1 is connected with the signal input end of a second servo motor driver;

the processing chip U1 responds to the positioning signal and performs processing to output a track stop signal and a discharge door opening signal, the first servo motor driver responds to the track stop signal to stop the first servo motor, and the second servo motor driver responds to the discharge door opening signal to start the second servo motor;

the processing chip U1 responds to the change of the weight signal and processes to output a track starting signal and a discharge door closing signal, the first servo motor driver responds to the track starting signal to start the first servo motor, and the second servo motor driver responds to the discharge door closing signal to reverse the second servo motor.

By adopting the technical scheme, the processing chip U1 can receive the weight signal and the positioning signal; when the processing chip U1 receives the positioning signal, it indicates that the proximity switch is close to the molding assembly, a track stop signal and a discharge door opening signal are output, and after the first servo motor driver receives the track stop signal, the first servo motor driver can control the first servo motor of the track to stop rotating, so as to stop the track, and the hopper can stop at the molding assembly; after receiving the opening signal of the discharge door, the second servo motor driver can start the second servo motor to open the discharge door, so that the material in the discharge door flows out of the hopper through the discharge hole and enters the molding assembly; the processing chip U1 can process the weight signal after receiving the weight signal to obtain the weight of the hopper, and when the weight signal changes to the lowest point, which indicates that all the materials in the hopper are discharged, the processing chip U1 outputs a track starting signal and a discharge door closing signal; the first servo motor driver can respond to the track starting signal to start the first servo motor so as to start the driving chain to move and drive the hopper for emptying materials to be far away from the mold making assembly; after receiving the closing signal of the discharge door, the second servo motor driver can control the second servo motor to rotate and close the discharge door, so that the hopper is prepared for the next charging; through processing chip U1, first servo motor driver and second servo motor driver come control first servo electricity and second servo motor in order to control reinforced flow, can realize the full automatic execution of reinforced process, need not manual operation.

Optionally, a stirring shaft is further arranged in the hopper, stirring blades are arranged on the stirring shaft, a transverse plate is fixedly arranged on the hopper, the stirring shaft is rotatably arranged in the middle of the transverse plate, a driving motor is arranged on the transverse plate, and an output shaft of the driving motor is fixedly connected with one end, close to the fixed plate, of the stirring shaft.

Through adopting above-mentioned technical scheme, driving motor starts the back, and driving motor's output shaft rotates and to be driving the (mixing) shaft and rotate, and the (mixing) shaft rotates and is driving the material in the stirring leaf stirring hopper for the material is difficult for producing in the hopper and condenses, can not influence subsequent mould effect, and can let the material be stirred more evenly in the hopper, with the shaping effect of reinforcing concrete test block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the concrete test block feeding device, the plurality of hoppers are arranged on the rail in a sliding mode, the driving piece is arranged to drive the hoppers to slide, manual operation of workers is not needed in the feeding process of manufacturing concrete test blocks, even if large batches of concrete test blocks are manufactured, processing can be carried out at a high speed, and the concrete test block feeding device has the effect of improving manufacturing efficiency;

2. the proximity switch is arranged on the hopper, the trigger piece is arranged on the molding component, when the hopper moves towards the molding component, the proximity switch is close to the trigger piece, the proximity switch is triggered, a positioning signal is output, and the track can be judged at any time through the positioning signal, so that the hopper can be aligned to the molding component;

3. this application is through setting up processing chip U1, processing chip U1 can handle weight signal and locating signal, output track stop signal, track start signal, the first servo motor and the second servo motor are controlled to discharge door opening signal and discharge door closing signal, through processing chip U1, first servo motor driver and second servo motor driver come control first servo electricity and second servo motor in order to control reinforced flow, can realize the full automatic execution of reinforced process, need not manual operation.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a track according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a hopper according to an embodiment of the present application;

FIG. 4 is an exploded view of a hopper according to an embodiment of the present application;

fig. 5 is a schematic diagram of a connection structure of a processing chip, a first servo motor driver, a second servo motor driver, a proximity switch and a tension sensor according to an embodiment of the present application.

Description of reference numerals: 1. a track; 11. a chute; 12. a support frame; 121. a base plate; 2. a hopper; 21. a discharge port; 211. a fixed shaft; 22. a roller; 221. a fixed block; 23. a discharge door; 24. a second servo motor; 25. a proximity switch; 26. a connecting rod; 261. a circular ring; 27. a tension sensor; 271. hooking; 28. a diagonal bar; 281. hanging a ring; 29. a stirring shaft; 291. stirring blades; 292. a drive motor; 293. a transverse plate; 3. a feed tube; 31. a support; 4. a molding assembly; 41. a mold; 411. a trigger; 42. a placing table; 5. a drive member; 51. a chain; 52. a first servo motor; 53. a fixing plate; 54. a rotating shaft; 541. a gear.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses automatic material conveying device is used in concrete sample manufacturing. Referring to fig. 1 and 2, the automatic feeding device for manufacturing the concrete sample comprises a track 1 and a plurality of hoppers 2, wherein the track 1 is arranged in a closed mode, the plurality of hoppers 2 are arranged on the track 1 in a sliding mode, and the hoppers 2 are used for loading materials; a feeding pipe 3 is arranged on one side of the track 1, the feeding pipe 3 is used for adding materials towards the track 1, and the feeding pipe 3 is fixed on the ground through a support 31; the other side of the track 1 is provided with a mold assembly 4, the mold assembly 4 comprises a mold 41 and a placing table 42, and the mold 41 is placed on the placing table 42. When the concrete test block is manufactured, materials are added into the hopper 2 through the feeding pipe 3 on one side of the rail 1, then the hopper 2 loaded with the materials is slid on the rail 1, the hopper 2 is conveyed to the mould manufacturing assembly 4, then the materials in the hopper 2 are poured into the mould 41, and the materials can be formed in the mould 41, so that the concrete test block is manufactured. In the manufacturing process, after the mold 41 is loaded with the materials, the mold 41 is taken down from the placing table 42, a new mold 41 is placed, and the plurality of hoppers 2 loaded with the materials can slide on the rail 1 and continuously pour the materials into the new mold 41, so that the manufacturing efficiency is improved.

Referring to fig. 1, a plurality of support frames 12 are welded on the track 1, and the support frames 12 can support the track 1, so that the track 1 is located at a certain height, a bottom plate 121 is welded at one end, close to the ground, of each support frame 12, the bottom plate 121 can increase the contact area between each support frame 12 and the ground, and the structure of the support frame 12 on the ground is more stable.

Referring to fig. 3 and 4, the hopper 2 further comprises a diagonal rod 28, a hanging ring 281, a hook 271, a connecting rod 26, a circular ring 261 and rollers 22; the inclined rods 28 are welded at a plurality of bottom corners of the hopper 2, and one ends of the inclined rods 28 far away from the hopper 2 are connected with the hanging ring 281; a circular ring 261 is welded on the connecting rod 26, and the circular ring 261 is sleeved on the roller 22, so that the roller 22 can freely rotate in the circular ring 261; the end of the connecting rod 26 far away from the roller 22 is provided with a tension sensor 27, the tension sensor 27 is S-shaped, and a hook 271 is welded at the end of the tension sensor 27 far away from the connecting rod 26.

Referring to fig. 2 and 3, the track 1 is provided with a chute 11, the roller 22 on the hopper 2 is arranged in the chute 11 and the roller 22 can roll in the chute 11, the roller 22 connects a plurality of connecting rods 26 to the track 1, and then the whole hopper 2 can be connected to the track 1 after the hanging ring 281 on the hopper 2 is hung on the hook 271 so as to prepare for the following material transportation work; when the hopper 2 is not used or the hopper 2 needs to be cleaned, the hopper 2 can be detached from the rail 1 by the cooperation of the hook 271 and the hanging ring 281.

Referring to fig. 1 and 2, a driving member 5 is disposed on the rail 1, and the driving member 5 is used for driving a plurality of hoppers 2 to move along the length direction of the rail 1; the driving member 5 comprises a chain 51, a gear 541, a rotating shaft 54 and a first servo motor 52; wherein, all weld on a plurality of gyro wheels 22 and have fixed block 221, the equal fixed connection of fixed block 221 on chain 51 and a plurality of gyro wheels 22 for when chain 51 is fixed in spout 11, chain 51 moves and just can drive a plurality of gyro wheels 22 and move. One side of the rail 1 is welded with a fixing plate 53, the length direction of the fixing plate 53 is consistent with the width direction of the rail 1, and the rotating shaft 54 is arranged on the fixing plate 53 in a penetrating way, so that the rotating shaft 54 can rotate on the fixing plate 53. The gear 541 is welded at one end of the rotating shaft 54, and the gear 541 is engaged with the chain 51; first servo motor 52 sets up the one side of keeping away from gear 541 at fixed plate 53, the one end fixed connection that gear 541 was kept away from to first servo motor 52's output shaft and axis of rotation 54, then first servo motor 52 starts the back, the output shaft rotation of first servo motor 52 just can drive axis of rotation 54 and rotate, thereby gear 541, gear 541 rotates and just can drive the chain 51 motion with the cooperation of gear 541 rodent, thereby driving a plurality of hoppers 2 and moving on the length direction of track 1, the effect that has the drive a plurality of hoppers 2 of being convenient for.

Referring to fig. 3 and 4, a discharge port 21 is formed in the bottom of the hopper 2, a fixed shaft 211 penetrates through the discharge port 21, a discharge door 23 is welded on the fixed shaft 211, the cross-sectional shapes of the discharge port 21 and the discharge door 23 are both circular, and the fixed shaft 211 rotates to drive the discharge door 23 to close the discharge port 21 or open the discharge port 21. In order to drive the fixed shaft 211 to rotate, a second servo motor 24 is arranged on the hopper 2, the second servo motor 24 is positioned at one side of the discharge port 21, and an output shaft of the second servo motor 24 is fixedly connected with one end of the fixed shaft 211; after the second servo motor 24 is started, the output shaft of the second servo motor 24 rotates to drive the fixed shaft 211 to rotate, which has the effect of opening or closing the discharge hole 21 conveniently.

Referring to fig. 4, a transverse plate 293 is welded on the hopper 2, a stirring shaft 29 penetrates through the transverse plate 293, the stirring shaft 29 is located in the middle of the transverse plate 293, the stirring shaft 29 extends towards the inside of the hopper 2, and stirring blades 291 are welded on the stirring shaft 29; the transverse plate 293 is further provided with a driving motor 292, an output shaft of the driving motor 292 is fixedly connected with one end of the stirring shaft 29 close to the transverse plate 293, and after the driving motor 292 is started, the output shaft of the driving motor 292 rotates to drive the stirring shaft 29 to rotate, so that the stirring blade 291 on the stirring shaft 29 is driven to stir the materials in the hopper 2. Stirring leaf 291 stirring material can let the material in the hopper 2 become more closely knit, and hydroenergy in the material can be better combine with the material to improve the quality of material, thereby promote the quality of the concrete test block of preparation.

Referring to fig. 1 and 5, a proximity switch 25 is disposed on the hopper 2, the proximity switch 25 is a position switch that can be operated without mechanical direct contact with a moving part, and when an object approaches a sensing surface of the proximity switch 25, the contact switch can be operated without mechanical contact and any pressure applied, and a sensing signal is output; the mould 41 is provided with a trigger 411 which is matched with the proximity switch 25 for use; if the proximity switch 25 is a hall proximity switch 25, the trigger 411 may be a metal block, and the proximity switch 25 can detect the approach of the trigger 411 to output a positioning signal. In the present embodiment, when the hopper 2 moves on the track 1, the hopper 2 approaches the mold 41, and the proximity switch 25 approaches the trigger 411, the proximity switch 25 is triggered, and a corresponding positioning signal is output to indicate that the hopper 2 moves to the molding assembly 4.

Referring to fig. 3, the tension sensor 27 is disposed between the connecting rod 26 and the hook 271, and the tension sensor 27 can detect the weight of the hopper 2 and output a weight signal including information on the weight of the hopper 2 and the weight of the material in the hopper 2.

Referring to fig. 5, the servo controller further comprises a processing chip U1, a first servo motor driver and a second servo motor driver; the first servo motor driver is used for controlling the first servo motor 52, the second servo motor driver is used for controlling the second servo motor 24, the processing chip U1 selects a microprocessor with the model number of AS-122-16A, the microprocessor can process positioning signals and weight signals to output response control instructions to the first servo motor driver and the second servo motor driver, and the first servo motor 52 and the second servo motor 24 are controlled to be opened and closed through the first servo motor driver and the second servo motor driver.

Referring to FIG. 5, the signal output terminal of the proximity switch 25 is connected to a first signal input TK1 of the processing chip U1, and the signal output terminal of the tension sensor 27 is connected to a second signal input TK2 of the processing chip U1; the first signal output TK10 of the processing chip U1 is connected with the signal input end of the first servo motor driver, and the second signal output TK9 of the processing chip U1 is connected with the signal input end of the second servo motor driver.

The processing chip U1 can receive the positioning signal output by the proximity switch 25 and the weight signal output by the tension sensor 27 through the first signal input TK1 and the second signal input TK 2; after the positioning signal is processed by the processing chip U1, a track stop signal can be output through the first signal output terminal TK10 of the processing chip U1, and a discharge door opening signal can be output through the second signal output terminal TK9 of the processing chip U1. When the proximity switch 25 outputs the positioning signal, it indicates that the hopper 2 has reached the mold making assembly 4, and at this time, the first servo motor driver receiving the track stop signal controls the first servo motor 52 to stop the driving of the hopper 2 by the chain 51, so as to stop the hopper 2 at the mold making assembly 4. Receive the second servo motor driver of discharge door opening signal in order to start second servo motor 24 in order to open discharge door 23, discharge door 23 opens the back, and the material in the hopper 2 just can be through discharge gate 21, under the action of gravity, directly flows into mould 41, accomplishes unloading to hopper 2.

After the processing chip U1 processes the weight signal, a track start signal can be output through the first signal output terminal TK10 of the processing chip U1, and a discharging door close signal can be output through the second signal output terminal TK9 of the processing chip U1. The weight signal includes weight information of the hopper 2, and the processing chip U1 can determine the remaining amount of the material in the hopper 2 from the weight information, and output a track start signal and a discharge gate close signal if the material in the hopper 2 is discharged into the mold 41. Upon receiving the track start signal, the first servomotor drive controls the first servomotor 52 to be started to drive the chain 51 to move, thereby moving the hopper 2, removing the hopper 2 from the molding assembly 4, and moving it into another hopper 2 filled with the material, and during the replacement of the hopper 2, the worker replaces the mold 41 filled with the material in the molding assembly 4. When receiving the closing signal of the discharging door, the second servo motor driver controls the second servo motor 24 to start and reversely rotate, and closes the discharging door 23, so that the hopper 2 can load the material again.

In the process of preparation concrete test block, through force sensor 27 and proximity switch 25, can judge the condition of hopper 2 position on track 1 and the interior material of hopper 2, thereby through handling chip U1, first servo motor driver and second servo motor driver control the opening and close of first servo motor 52 and second servo motor 24, the opening and close of first servo motor 52 and second servo motor 24 can control the position of hopper 2 and the interior material of hopper 2, thereby control the process of preparation concrete test block, in the manufacturing process, the staff only need add the material into hopper 2, handle chip U1 and just can control following preparation flow, thereby improve the degree of automation of manufacturing the concrete test block flow, further improvement manufacturing efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete sample makes and uses automatic material conveying device which characterized in that: including track (1), track (1) closed setting, it is provided with a plurality of hoppers (2) to slide on track (1), one side of track (1) is provided with filling tube (3) that are used for adding the material in hopper (2), the opposite side of hopper (2) is provided with mould making subassembly (4) that are used for making a mould, discharge gate (21) have been seted up to the bottom of hopper (2), discharge gate (21) department rotates and is provided with discharge door (23), still be provided with on track (1) and be used for driving gliding driving piece (5) of hopper (2).

2. The automatic feeding device for manufacturing the concrete sample according to claim 1, wherein: it is a plurality of all rotate on hopper (2) and be provided with gyro wheel (22), spout (11) have been seted up on track (1), gyro wheel (22) and spout (11) sliding fit, driving piece (5) include chain (51), and are a plurality of gyro wheel (22) all with chain (51) fixed connection, one side of track (1) is provided with fixed plate (53), wear to be equipped with axis of rotation (54) on fixed plate (53), the one end of axis of rotation (54) is provided with gear (541), gear (541) and chain (51) rodent cooperation, still be provided with first servo motor (52) on fixed plate (53), the one end fixed connection of gear (541) is kept away from in the output shaft of first servo motor (52) and axis of rotation (54).

3. The automatic feeding device for manufacturing the concrete sample according to claim 2, characterized in that: the feeding hopper is characterized in that a fixing shaft (211) penetrates through the discharging port (21) on the hopper (2), the fixing shaft (211) penetrates through the discharging door (23), a second servo motor (24) is arranged outside the discharging hopper (2) on one side of the discharging port (21), and an output shaft of the second servo motor (24) is fixedly connected with one end of the fixing shaft (211).

4. The automatic feeding device for manufacturing the concrete sample according to claim 3, wherein: the hopper (2) is provided with a proximity switch (25), the mold making assembly (4) is provided with a trigger (411) matched with the proximity switch (25) for use, and the proximity switch (25) responds to the approach of the trigger (411) to output a positioning signal.

5. The automatic feeding device for manufacturing the concrete sample according to claim 4, wherein: the cover is equipped with ring (261) on gyro wheel (22), be provided with connecting rod (26) on ring (261), the one end that ring (261) were kept away from in connecting rod (26) is provided with couple (271), be provided with many down tube (28) on hopper (2), many down tube (28) are connected with a plurality of base angles of hopper (2), and is many the one end that hopper (2) were kept away from in down tube (28) is provided with link (281).

6. The automatic feeding device for manufacturing the concrete sample according to claim 5, wherein: one end, far away from the circular ring (261), of the connecting rod (26) is provided with a tension sensor (27), one end, far away from the connecting rod (26), of the tension sensor (27) is fixedly connected with a hook (271), and the tension sensor (27) is used for detecting the weight of the hopper (2) and outputting a weight signal.

7. The automatic feeding device for manufacturing the concrete sample according to claim 6, wherein: the servo motor control system further comprises a processing chip U1, a first servo motor driver and a second servo motor driver, wherein the first servo motor driver is used for controlling the first servo motor (52), and the second servo motor driver is used for controlling the second servo motor (24);

the signal output end of the proximity switch (25) is connected with a first signal input end TK1 of a processing chip U1, and the signal output end of the tension sensor (27) is connected with a second signal input end TK2 of a processing chip U1; the first signal output end TK10 of the processing chip U1 is connected with the signal input end of a first servo motor driver, and the second signal output end TK9 of the processing chip U1 is connected with the signal input end of a second servo motor driver;

the processing chip U1 responds to the positioning signal and processes the positioning signal to output a track stop signal and a discharge door opening signal, the first servo motor driver responds to the track stop signal to stop the first servo motor (52), and the second servo motor driver responds to the discharge door opening signal to start the second servo motor (24);

the processing chip U1 responds to the weight signal and processes to output a track start signal and a discharge door close signal, the first servo motor driver responds to the track start signal to start the first servo motor (52), and the second servo motor driver responds to the discharge door close signal to reverse the second servo motor (24).

8. The automatic feeding device for manufacturing the concrete sample according to claim 1, wherein: still be provided with (mixing) shaft (29) in hopper (2), be provided with stirring leaf (291) on (mixing) shaft (29), the fixed diaphragm (293) that is provided with on hopper (2), (mixing) shaft (29) rotate the middle part that sets up at diaphragm (293), be provided with driving motor (292) on diaphragm (293), the output shaft of driving motor (292) and (mixing) shaft (29) are close to the one end fixed connection of fixed plate (53).