CN210834333U

CN210834333U - Automatic material sampling system

Info

Publication number: CN210834333U
Application number: CN201921420246.9U
Authority: CN
Inventors: 林伟端; 黄骁民; 黄文景; 王惠风; 杨建红; 魏朝明; 侯贵鹏; 庄杰斌
Original assignee: Fujian South Highway Machinery Co Ltd
Current assignee: Fujian South Highway Machinery Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-23
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to a belt sampling equipment field, especially an automatic sampling system of material. The belt sampling device comprises a belt sampling device, a material flow channel, a stirring device, a division channel, a division sampling device and a central controller, wherein the belt sampling device comprises a receiving hopper; agitating unit includes motor, axis of rotation, agitator tank, and the agitator tank is installed between adjustment festival and push-pull valve, and what the agitator tank was worn out to the axis of rotation is connected with the motor that sets up in the agitator tank outside, is located to be provided with stirring vane in the axis of rotation of agitator tank, and the axis of rotation is broken up the sample through what the motor drove stirring vane rotation. The utility model discloses the sample homogeneity of getting is good, the representativeness is good, convenient operation and safe and reliable.

Description

Automatic material sampling system

Technical Field

The utility model relates to a belt sampling equipment field, especially an automatic sampling system of material.

Background

During road construction, the correct and accurate application of the aggregate is an important part for ensuring the road construction quality, and road diseases can be directly caused by improper aggregate application and inaccurate aggregate allocation. However, in actual construction, the control and management of aggregate are not scientific, resulting in unsatisfactory final road quality. In this case, it becomes necessary to sample and inspect the aggregate used for the road and to sample and conduct experiments. The accurate guarantee of the reasonability and the representativeness of the sample become key problems to be considered during sampling and also become a symptom of whether the detection and the experiment can reflect the problems.

The existing sampling and division modes mostly use manual collection, and the manual collection has many defects: 1. the representativeness and the accuracy of sampling are poor and the fluctuation is large under the influence of subjective factors; 2. the sampling frequency of manual sampling is small, the universality is poor, and the deviation from the actual sampling is large; 3. manual procedures of manual sampling are complicated, and workload and labor intensity are high; 4. manual sampling is complicated due to manual procedures, and sampling timeliness and accuracy are poor.

SUMMERY OF THE UTILITY MODEL

The main objective of the utility model is to overcome prior art's shortcoming, provide one kind and can carry out continuous automatic sample many times, stirring and division sample, the sample homogeneity of getting is good, the representativeness is good, safe and reliable's automatic sampling system of material.

The utility model discloses a according to following technical scheme:

the utility model provides an automatic sampling system of material, includes belt sampling device, material stream passageway, agitating unit, divides passageway, divides the sampling device to divide, belt sampling device is used for taking a sample to the material stream passageway on the belt in, and agitating unit acts on the material stream passageway in order to break up the sample in the material stream passageway, divide the passageway to connect in material stream passageway below in order to accept the material of material stream passageway whereabouts, divide passageway one side to have seted up and get the material mouth, divide the sampling device to get into by getting the material mouth and gather the division sample in dividing the passageway.

Further, agitating unit installs on the material stream passageway, and agitating unit includes motor, axis of rotation, stirring vane, and the axis of rotation pierces discharge flow channel and sets up in the motor that the material flows the passageway outside and be connected, and stirring vane sets up in the axis of rotation that is located the material stream passageway, and the axis of rotation passes through the motor and drives stirring vane rotation in order to break up the sample in the material stream passageway.

Further, automatic belt sampling device still includes slewing mechanism, swinging arms, sampling hopper, feeding belt, connects hopper, frame, connect one side of feeding belt is located to the hopper, the slewing mechanism slope sets up in the frame, and the tilting angle of slewing mechanism and horizontal plane is 40 ~ 50, the swinging arms is connected in the slewing mechanism end with slewing mechanism vertically, and the swinging arms end is connected with the sampling hopper, and slewing mechanism drives the sampling hopper through the swinging arms and is done the circular route motion of slope in the horizontal plane, makes the sampling hopper acquire the material on the feeding belt through low position end department, and the sampling hopper is thrown the material in the sampling hopper to in connecing the hopper through high position end department.

Further, the sampling hopper is long hopper and has been seted up the opening, and the sampling hopper is perpendicular mutually with the feeding belt when being located low level end department, and the sampling hopper is located feeding belt middle part position, and the orientation of getting the material mouth is relative with the direction of delivery of feeding belt.

Further, the material flow passageway includes feeder hopper, adjustment festival, and the feeder hopper is the structure that narrow messenger's material was reduced by the shrink gradually about wide, and the feeder hopper is installed in connecing the hopper below, and adjustment festival detachable connects in the feeder hopper below.

Further, the contraction and separation channel comprises a gate valve and a chute which are sequentially connected from top to bottom, a vertically-arranged material distribution plate is arranged in the chute, the material distribution plate divides the chute into a sampling area and a discarding area, the material distribution plate comprises a vertical plate and a bending plate, the bending plate is connected to the tail end of the vertical plate towards the discarding area, one side of the bending plate is bent, the material taking opening is arranged on the side wall of the sampling area of the chute, and the moving direction of the gate valve is consistent with the length distribution direction of the material distribution plate.

Further, the distance between the material distributing plate and the material taking opening is 20% -25% of the width of the chute.

Further, division sampling device includes constant volume container, drive arrangement, fixed platform, drive arrangement includes telescopic machanism, moving platform, rotary mechanism, extension arm, the moving platform bottom is equipped with gyro wheel and slidable and locates on the fixed platform, the extension arm is installed on moving platform, and constant volume container detachable installs in the extension arm end, telescopic machanism is fixed to be located on the fixed platform, and telescopic machanism drives moving platform and slides on fixed platform, and then drives in the constant volume container discrepancy material stream passageway, rotary mechanism locates on the moving platform, and rotary mechanism drives the extension arm rotatory, and then drives the upset of constant volume container.

Furthermore, the constant volume container enters the material flow channel, and the horizontal plane position of the opening of the constant volume container is lower than the horizontal position of the bottom of the vertical plate of the material distributing plate.

The automatic material sampling device comprises a belt sampling device, a stirring device, a gate valve, a driving device, a central controller and a human-computer interaction interface display device, wherein the central controller is in signal connection with the belt sampling device, the stirring device, the gate valve and the driving device and is in coordination control, and the human-computer interaction interface display device is in signal connection with the central controller so as to set and monitor the operation of the automatic material sampling system. It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are:

the utility model adopts the belt sampling device, adopts the sampling hopper to do circular path motion, automatically takes and throws materials on the belt, realizes automation, saves manpower, is safer and more reliable, has novel sampling of the belt sampling device, is convenient for taking materials and has practicability; the material flow channel is adopted, so that the belt sampling device can sample from the source, and the sample freely falls into the chute from the feed hopper, so that the material is more uniform and random; an adjusting joint is additionally arranged to adjust the width of the material flow channel so as to adapt to the stirring of the materials; a stirring device is additionally arranged to scatter the sampled product, so that the material is more random; the sample is subjected to preliminary division by additionally arranging a material distribution plate, and the material distribution plate has a material guiding function; the constant volume container is detachably arranged on the extension arm, the proper constant volume container can be replaced according to the required sample volume, and the sample is divided and sampled again; the telescopic mechanism can drive the constant volume container to sample in the material flow channel, so that automation is realized, and the sampling representativeness and accuracy are higher; the rotary mechanism is arranged, so that the sampled constant volume container can be overturned and unloaded, and the labor is saved; the sampling, material distributing and division processes are continuously executed, and the timeliness and the accuracy of sampling are improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an automatic material sampling system according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the automatic sampling system for material according to the embodiment of the present invention.

In the figure: 1. the system comprises a belt sampling device, a material flow channel, a stirring device, a division channel, a division sampling device, a central controller and a human-computer interaction interface display device, wherein the belt sampling device comprises 2 parts of a material flow channel, 3 parts of a stirring device, 4 parts of a division channel, 5 parts of a division sampling device, 6 parts of a central controller and 7 parts of a human-computer interaction interface display.

Detailed Description

The present invention will be further described with reference to the following detailed description.

Referring to fig. 1 to 2, the utility model discloses an automatic sampling system of material, including belt sampling device 1, material stream passageway 2, agitating unit 3, division passageway 4, division sampling device 5, central controller 6, human-computer interaction interface display device 7.

The human-computer interaction interface display device 7 is in signal connection with the central controller 6 and is used for setting and monitoring the operation of the automatic material sampling system, and the central controller 7 controls the belt sampling device 1, the stirring device 3, the gate valve 41 and the division sampling device 5 according to instructions of the human-computer interaction interface display device 7.

The frame 11 includes mount table 111, mount table 111 top surface orientation connects hopper 12 one side downward sloping setting, be provided with two bearing frames 112 on the mount table 111, slewing mechanism 13 is fixed in mount table 111 for 40 ~ 50 with the inclination of horizontal plane on, slewing mechanism 13 includes servo motor 131, speed reducer 132, elastic coupling 133, transmission shaft 134 overlaps and locates on the bearing frame 112, transmission shaft 134 head passes through elastic coupling 133 with servo motor 131 and is connected, swing rod 14 is connected perpendicularly in transmission shaft 134 end, swing rod 14 end and sample fill 15 are connected, sample fill 15 is the elongated fill, the material taking port has been seted up on the sample fill 15. The central controller 6 is in signal connection with the servo motor 131 to control the servo motor 131 to operate, the servo motor 131 operates to drive the sampling hopper 15 to move in a circular path inclined to the horizontal plane through the swinging rod 14, when the sampling hopper 15 is located at the low position end, the sampling hopper 15 is perpendicular to the feeding belt 16, the sampling hopper 15 is located at the middle position of the width of the feeding belt 16, the orientation of the material taking port is opposite to the conveying direction of the feeding belt 16, so that the sampling hopper 15 obtains the material on the feeding belt 16 through the low position end, when the sampling hopper 15 passes through the high position end, the central controller 6 controls the servo motor 131 to suddenly stop, after the sudden stop, the material in the sampling hopper 15 is thrown into the material receiving hopper 12 due to the rotation inertia, and after the material throwing is finished, the central controller 6 controls the servo motor 131 to continuously rotate and return to the sampling initial position to perform next sampling.

The material flow channel 2 comprises a feed hopper 21 and an adjusting joint 22, the feed hopper 21 is of a structure which is wide at the top and narrow at the bottom and enables materials to be gradually contracted and reduced, the feed hopper 21 is arranged below the material receiving hopper 12, the adjusting joint 22 is detachably connected below the feed hopper 21, and the adjusting joint 22 is replaced according to different material volumes so as to adjust the blanking width and adapt to the stirring of the materials; the stirring device 3 comprises a motor 31, a rotating shaft 32 and a stirring blade 33, the stirring device 3 is installed on the material flow channel 2, the rotating shaft 32 penetrates through the material flow channel 2 and is connected with the motor 31 arranged outside the material flow channel 2, the stirring blade 33 is arranged on the rotating shaft 32 positioned in the material flow channel 2, and the rotating shaft 32 drives the stirring blade 33 to rotate through the motor 31 so as to break up a sample in the material flow channel 2; the division channel 4 comprises a gate valve 41 and a chute 42 which are sequentially connected from top to bottom, a conveyer belt is arranged below the chute 42 to convey the abandoned material falling from the bottom opening of the chute 42, and the top surface and the bottom surface of the gate valve 41 are respectively connected with the material flow channel and the chute 42. A vertically arranged material distributing plate 421 is arranged in the chute 42, and the chute 42 is divided by the material distributing plate 421 to form a sampling area 422 and a disposal area 423. Divide flitch 421 to include vertical board, the board of bending, what the board of bending was connected in the end of vertical board towards abandoning district 423 one side buckling. The chute 42 is provided with a material taking opening 424 on one side wall of the sampling area 422, and the distance between the material distributing plate 421 and the material taking opening 424 is 20-25% of the width of the chute 42. The division sampling device 5 comprises a constant volume container 51, a driving device 52 and a fixed platform 53, wherein the fixed platform 53 is arranged on one side of the chute 42, which is provided with a material taking port 424, and the driving device 52 is arranged on the fixed platform 53. Drive arrangement 52 includes telescopic machanism 521, moving platform 522, rotary mechanism 523, extension arm 524, and moving platform 522 bottom is equipped with gyro wheel and slidable and locates on fixed platform 53, and extension arm 524 installs on moving platform 522, and constant volume container 51 detachable installs in extension arm 524 is terminal, and constant volume container 51 can change suitable constant volume container 51 according to required sample volume, and constant volume container 51 below is provided with the material receiving container who takes the material of constant volume container 51 sample. The telescopic mechanism 521 is fixed on the fixed platform 53, and the telescopic mechanism 521 drives the movable platform 522 to slide on the fixed platform 53, so as to drive the constant volume container 51 to enter and exit the chute 42. The rotating mechanism 523 is disposed on the moving platform 522, and the rotating mechanism 523 drives the extension arm 524 to rotate, so as to drive the constant volume container 51 to turn over. The central controller 6 is in signal connection with the gate valve 41, the rotating mechanism 523 and the telescoping mechanism 521 to control the operation of the gate valve 41, the rotating mechanism 523 and the telescoping mechanism 521. The central controller 6 controls the movement of the gate valve 41, the movement direction of the gate valve 41 is consistent with the length distribution direction of the material distribution plate 421, the gate valve 41 moves to be opened, the materials scattered by the stirring device 3 enter the chute 42, the materials are divided into a part through the material distribution plate 421 and fall from the abandoning area 423, and a part falls from the sampling area 422; central controller 6 controls telescopic machanism 521 to drive moving platform 522 and slides on fixed platform 53, and then drive constant volume container 51 and get into in the downward slope 42, constant volume container 51 gets into in the downward slope 42, constant volume container 51's opening horizontal plane position is less than the horizontal position of the vertical board bottom of branch flitch 421, so that constant volume container 51 can be at the board of bending and get the material random sampling to sampling region 422 of material back-and-forth movement between feed opening 424, the sample is accomplished, telescopic machanism 521 takes constant volume container 51 out of downward slope 42, rotary mechanism 523 drives extension arm 524 rotatory, and then drive constant volume container 51 upset and unload, unload and accomplish, drive constant volume container 51 upset and reset.

The working principle of the automatic material sampling system is as follows:

the central controller 6 controls the servo motor 131 to operate; the servo motor 131 operates to drive the sampling hopper 15 to move in a circular path inclined to the horizontal plane through the swinging rod 14; when the sampling hopper 15 is driven to rotate to the low end of the circular path, the long sampling hopper 15 is perpendicular to the feeding belt 16, the sampling hopper 15 is located in the middle of the width of the feeding belt 16, and the direction of the material taking port is opposite to the conveying direction of the feeding belt 16, so that the sampling hopper 15 obtains the material on the feeding belt 16 through the low end; after sampling, the sampling hopper 15 continues to rotate, and when the sampling hopper 15 passes through the high-position end of the circular path, the central controller 6 controls the servo motor 131 to stop suddenly; after the emergency stop, the material in the sampling hopper 15 is thrown into the receiving hopper 12 due to the rotation inertia; after the material throwing is finished, the central controller 6 controls the servo motor 131 to continue rotating, and the sampling is returned to the sampling initial position for the next sampling.

The material in the receiving hopper 12 falls into the feed hopper 21, the width required by the falling of the material is adjusted by the adjusting joint 22, the material falls into the stirring device 3, and the central controller 6 controls the stirring blades 33 to break up the material in the material flow channel 2; the central controller 6 controls the gate valve 41 to be opened, and the scattered materials are discharged to fall into the division channel 4 in a free falling body; a vertically arranged material distributing plate 421 is arranged in the division channel 4, the division channel 4 is divided by the material distributing plate 421 to form a sampling area 422 and a disposal area 423, the movement direction of the gate valve 41 is consistent with the length distribution direction of the material distributing plate 421, the material is divided into two parts by the material distributing plate 421, one part falls from the disposal area 423, and the other part falls from the sampling area 422; the central controller 6 controls the telescopic mechanism 521 to work, the telescopic mechanism 521 drives the moving platform 522 to slide on the fixed platform 53, and then the constant volume container 51 is driven to enter the division channel 4 from the material taking port 424; the constant volume container 51 enters the reduction and separation channel 4, the horizontal plane position of the opening of the constant volume container 51 is lower than the horizontal position of the bottom of the vertical plate of the material distribution plate 421, and the constant volume container 51 is driven by the telescopic mechanism 521 to move back and forth in the sampling area 422 of the reduction and separation channel 4 to randomly sample the material in the sampling area 422; the material in the disposal area 423 and the rest of the material can continuously fall onto the conveyor belt after the material is filled in the constant volume container 51; after sampling is finished, the central controller 6 controls the gate valve 41 to be closed, and the telescopic mechanism 521 pulls back the moving platform 522, so that the constant volume container 51 is pulled out of the chute 42 and returns to the upper part of the material receiving container; the central controller 6 controls the rotating mechanism 523 to drive the extension arm 524 to rotate, so as to drive the constant volume container 51 to turn over, so that the material is discharged into the material receiving container, and the constant volume container 51 is driven to turn over and reset after the material is discharged; in the case of continuous sampling, the above steps are repeated.

The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, and the present invention is to be used for insubstantial modification of the present invention, which all infringes the protection scope of the present invention.

Claims

1. The utility model provides an automatic sampling system of material which characterized in that: including belt sampling device, material stream passageway, agitating unit, division passageway, division sampling device, belt sampling device is used for taking a sample to the material stream passageway on the belt, and agitating unit acts on the interior sample in order to break up the material stream passageway in the material stream passageway, the division passageway is connected in material stream passageway below in order to accept the material of material stream passageway whereabouts, and division passageway one side has been seted up and has been got the material mouth, and division sampling device gathers the division sample in getting into the division passageway by getting the material mouth.

2. The automatic material sampling system of claim 1, wherein: agitating unit installs on the material stream passageway, and agitating unit includes motor, axis of rotation, stirring vane, and the axis of rotation passes the discharge flow passageway and is connected with the motor that sets up in the material stream passageway outside, and stirring vane sets up in being located the axis of rotation that the material flows the passageway, and the axis of rotation passes through the motor and drives stirring vane rotation in order to break up the sample that the material flows in the passageway.

3. The automatic material sampling system of claim 1, wherein: the automatic belt sampling device further comprises a rotating mechanism, a swing rod, a sampling hopper, a feeding belt, a receiving hopper and a rack, wherein the receiving hopper is arranged on one side of the feeding belt, the rotating mechanism is obliquely arranged on the rack, the inclination angle between the rotating mechanism and the horizontal plane is 40-50 degrees, the swing rod is connected to the tail end of the rotating mechanism in a manner of being perpendicular to the rotating mechanism, the tail end of the swing rod is connected with the sampling hopper, the rotating mechanism drives the sampling hopper to move in a circular path inclined to the horizontal plane through the swing rod, so that the sampling hopper obtains materials on the feeding belt through a low-position end, and the sampling hopper throws the materials in the sampling hopper into the receiving hopper through a high-position end.

4. An automatic material sampling system according to claim 3, characterized in that: the sampling hopper is long hopper and has been seted up the opening, and the sampling hopper is perpendicular mutually with the feeding belt when being located low level end department, and the sampling hopper is located feeding belt middle part position, and the orientation of getting the material mouth is relative with the direction of delivery of feeding belt.

5. An automatic material sampling system according to claim 3, characterized in that: the material flow channel comprises a feed hopper and an adjusting joint, the feed hopper is of a structure that the material is gradually shrunk and reduced in width and narrow, the feed hopper is installed below the material receiving hopper, and the adjusting joint is detachably connected below the feed hopper.

6. The automatic material sampling system of claim 1, wherein: the contraction divides the passageway to include push-pull valve, the elephant trunk that from the top down connects gradually, is equipped with the branch flitch of vertical setting in the elephant trunk, divides the flitch to separate the elephant trunk and forms the sampling area and abandon the district, divide the flitch to include vertical board, bend the board towards abandon the district one side buckling of putting connect in the end of vertical board, the material taking port is seted up on the sampling area lateral wall of elephant trunk, push-pull valve direction of motion is unanimous with branch flitch length distribution direction.

7. The automatic material sampling system of claim 6, wherein: the distance between the material distributing plate and the material taking opening is 20-25% of the width of the chute.

8. The automatic material sampling system of claim 1, wherein: the division sampling device comprises a constant volume container, a driving device and a fixed platform, wherein the driving device comprises a telescopic mechanism, a moving platform, a rotating mechanism and an extension arm, the bottom of the moving platform is provided with a roller and a slidable roller which are arranged on the fixed platform, the extension arm is arranged on the moving platform, the constant volume container is detachably arranged at the tail end of the extension arm, the telescopic mechanism is fixedly arranged on the fixed platform, the telescopic mechanism drives the moving platform to slide on the fixed platform, and then the constant volume container is driven to enter and exit from a material flow channel, the rotating mechanism is arranged on the moving platform, and the rotating mechanism drives the extension arm to rotate and further drives the constant volume container to overturn.

9. The automatic material sampling system of claim 8, wherein: the constant volume container enters the material flow channel, and the horizontal plane position of the opening of the constant volume container is lower than the horizontal position of the bottom of the vertical plate of the material distributing plate.

10. The automatic material sampling system of claim 1, wherein: the automatic material sampling device is characterized by further comprising a central controller and a human-computer interaction interface display device, wherein the central controller is in signal connection and coordination control with the belt sampling device, the stirring device, the gate valve and the driving device, and the human-computer interaction interface display device is in signal connection with the central controller to set and monitor the operation of the automatic material sampling system.