CN217141101U - Automatic online screening and analyzing device for sand particle size - Google Patents

Abstract

The utility model relates to the technical field of sand material detection, in particular to an automatic online sand material particle size screening and analyzing device, which comprises a frame, a vibrating screen, a first control valve, a particle size detection device and a sand storage box; the particle size detection device also comprises a quantitative feeding device, a screening and classifying device, a weighing detection device and an analysis recorder; the screening and classifying device is arranged below the vibrating screen; the quantitative feeding device is fixedly arranged at the input end of the screening and classifying device; the weighing detection devices are arranged at a plurality of positions and are uniformly distributed at equal intervals, the weighing detection devices are arranged beside the screening and classifying device, and the input ends of the weighing detection devices are communicated with the output ends of the screening and classifying device; the analysis recorder is connected with the weighing detection device system. The utility model discloses can effectively use manpower sparingly by accurate detection particle diameter of automation, improve detection efficiency simultaneously.

Description

Automatic online screening and analyzing device for sand particle size

Technical Field

The utility model relates to a sand material detects technical field, specifically is to relate to an automatic online screening analysis device of sand material particle diameter.

Background

A sand blasting machine belongs to the category of air conveying machinery, and is characterized in that powdery particles (with the diameter of 1-4 mm) are conveyed from one place to another place in a pipeline by utilizing compressed air, and in the process of converting kinetic energy into potential energy, sand grains moving at high speed are enabled to scour the surface of an object, so that the effect of improving the surface quality of the object is achieved.

The traditional sand blasting machine can carry out multi-layer screening on sand materials through a sand blasting machine capable of carrying out multi-layer screening, and then carrying out sand blasting operation through the traditional sand blasting machine disclosed in Chinese patent CN 201921164477.8. However, even if the sand is screened, the amount of the sand to be added into the machine is determined according to the defined sand grain size standard by manually detecting and analyzing the grain size. The manual mode particle size detection can result in that real-time monitoring feedback can not be realized, and the manual mode sampling efficiency is low. Therefore, an automatic online screening and analyzing device for the sand grain size is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an automatic online sand particle size screening and analyzing apparatus. The utility model discloses can effectively use manpower sparingly by accurate detection particle diameter of automation, improve detection efficiency simultaneously.

For solving the prior art problem, the utility model discloses a technical scheme be:

an automatic online screening and analyzing device for sand grain sizes comprises a rack, a vibrating screen, a first control valve, a grain size detection device and a sand storage box; the vibrating screen is fixedly arranged on the frame, a feeding pipe is arranged at the top of the vibrating screen, a waste conveying pipe and a qualified material conveying pipe are arranged at the side part of the vibrating screen, and one end of the qualified material conveying pipe, which is far away from the vibrating screen, is communicated with the sand storage box; the sand storage box is arranged below the vibrating screen; the first control valve is fixedly arranged on a qualified material conveying pipe of the vibrating screen; the particle size detection device is arranged below the vibrating screen, and the input end of the particle size detection device is communicated with a qualified material conveying pipe of the vibrating screen; the particle size detection device also comprises a quantitative feeding device, a screening and classifying device, a weighing detection device and an analysis recorder; the screening and classifying device is arranged below the vibrating screen; the quantitative feeding device is fixedly arranged at the input end of the screening and classifying device; the weighing detection devices are arranged at a plurality of positions and are uniformly distributed at equal intervals, the weighing detection devices are arranged beside the screening and classifying device, and the input ends of the weighing detection devices are communicated with the output ends of the screening and classifying device; the analysis recorder is connected with the weighing detection device system.

Preferably, the quantitative feeding device comprises a first connecting pipe, a quantitative storage tank, a second control valve, a third control valve and a sensor; the quantitative material storage box is fixedly arranged at the input end of the screening and classifying device, and one end of the first connecting pipe is communicated with the qualified material conveying pipe of the vibrating screen; one end of the first connecting pipe, which is far away from the qualified material conveying pipe, is communicated with the quantitative storage box; the second control valve is fixedly arranged on the first connecting pipe; the third control valve is fixedly arranged at the output end of the quantitative storage box; sensor fixed mounting is on the ration storage case.

Preferably, the screening and classifying device comprises a vibration base, a bulk material cover, a first screening layer, a second screening layer, a collecting base and a synchronous pressing mechanism; the vibrating base, the bulk material cover, the first screening layer, the second screening layer and the collecting base are all arranged coaxially; the collecting base is fixedly arranged at the output end of the vibrating base; the second screening layer is arranged above the collecting base; the first screening layer is arranged above the second screening layer, and the first screening layer and the second screening layer have the same structure; the bulk material cover is arranged above the first screening layer; synchronous pressing mechanism with collect base fixed connection, synchronous pressing mechanism establishes ties bulk cargo lid, first screening layer, second screening layer and collection base in proper order.

Preferably, the bulk material cover comprises a mounting cover and a first bulk material hopper; the open-top of installation lid communicates with quantitative feed arrangement's output, and the bottom opening of installation lid is equipped with the butt joint groove, and the outside of installation lid is equipped with the several connecting block, and the axis evenly distributed of connecting block with the installation lid, first bulk cargo fill is fixed and is covered inside in the installation.

Preferably, the first screening layer comprises a mounting sleeve, a second bulk material hopper and a screening hopper; an opening at the upper end of the mounting sleeve is provided with a butt joint convex block, an opening at the bottom of the mounting sleeve is provided with a butt joint groove, the outer side of the mounting sleeve is provided with a plurality of connecting blocks, and the connecting blocks are uniformly distributed along the axis of the mounting sleeve; the sieve hopper is fixedly connected with the inside of the mounting sleeve, a discharge hole is formed in the axis position of the sieve hopper, external threads are formed in the outer side of the discharge hole, and the discharge hole is connected with the input end of the weighing detection device; the second bulk cargo fill sets up in the sieve fill below, and the axle center position of second bulk cargo fill is equipped with the through-hole.

Preferably, the collecting base comprises a fixed base and a collecting hopper; the fixed base is fixedly connected with the vibration base, and a butt joint clamping groove is formed in an opening in the upper end of the fixed base; collecting hopper fixed mounting is equipped with the discharge gate in unable adjustment base's inside, collecting hopper's axle center position, and the outside of discharge gate is equipped with the external screw thread, and the discharge gate is connected with weighing detection device's input.

Preferably, the synchronous pressing mechanism comprises a fixed threaded column, a spring and a pressing nut; the fixed threaded columns are uniformly distributed by taking the collecting base as an axis, the fixed threaded columns are sequentially connected with the bulk material cover, the first screening layer, the second screening layer and the collecting base in series, and one end of each fixed threaded column is fixedly connected with the collecting base; the pressing nuts are provided with a plurality of pressing nuts and are uniformly distributed on the fixed threaded columns, and the pressing nuts are in threaded connection with the fixed threaded columns; the spring is equipped with the several, and the spring cover is established on fixed screw post to evenly distributed is between bulk material lid, first screening layer, second screening layer and collection base.

Preferably, the weighing detection device comprises a weigher, a loading device, a conveying connecting pipe and a collecting tank; the weighing device is arranged beside the screening and classifying device; the loading device is fixedly arranged on the weighing device; the conveying connecting pipe is fixedly installed on the rack, the output end of the conveying connecting pipe is arranged right above the material loading device, and the input end of the conveying connecting pipe is communicated with the output end of the screening and classifying device.

Compared with the prior art, the utility model beneficial effect who has is:

1. the utility model discloses a feed pipe channels into the inside of shale shaker with sand material, the shale shaker screens sand material categorised, carry waste material sand material out through the waste material conveyer pipe with waste material, qualified sand material is carried to storing up the sand box inside through the qualified material conveyer pipe and is waited to use, first control valve is used for controlling the qualified material conveyer pipe, first control valve closes the qualified material conveyer pipe when needing the selective examination sand material, the sand material in the qualified material conveyer pipe then flows to the inside of quantitative feed arrangement, when the quantitative feed arrangement has filled enough sand material, the input is closed to the quantitative feed arrangement, first control valve opens the qualified material conveyer pipe and continues normal transport, the output is opened to the quantitative feed arrangement, the sand material in the quantitative feed arrangement falls into the inside of screening and sorting device, the screening and sorting device carries out the sand material classification treatment; inside categorised sand material carried the detection device that weighs in proper order, the detection device that weighs weighed the statistics with different particle size sand materials, the analysis recorder is used for the record to analyze different sand material particle size weights, calculates qualified proportion. The utility model discloses can effectively use manpower sparingly by accurate detection particle diameter of automation, improve detection efficiency simultaneously.

2. The utility model discloses a first control valve is closed the certified materials conveyer pipe when wanting the spot check sand material, the inside sand material of certified materials conveyer pipe then flows to first connecting pipe, the second control valve is opened the sand material and is got into first connecting pipe, first connecting pipe is carried the sand material guide to quantitative storage incasement portion, the sensor is used for monitoring the inside sand material storage capacity of quantitative storage incasement portion, when the quantitative storage case is stored the detection volume, close the second control valve, first control is opened and is made qualified sand material continue to carry to the storage sand box, open the third control valve and carry the sand material to the inside detection of screening sorter, can get the material automatically and examine by ration, the effectual manpower sparingly.

3. The utility model discloses a vibration base drives the bulk cargo lid, first screening layer, the synchronous vibrations of second screening layer and collection base, the bulk cargo lid is carried inside with sand material to quantitative feed arrangement, the bulk cargo lid scatters sand material, scatter sand material and fall on first screening layer, first screening layer screens sand material, it carries corresponding weighing detection device to carry out the weighing detection by first screening layer to select sand material, the sand material that is not screened falls into second screening layer, second screening layer screens sand material once more, the sand material of selecting is carried corresponding weighing detection device by second screening layer and is weighed the detection, the sand material that is not screened falls into on collecting the base, it carries corresponding weighing detection device to weigh the detection with the sand material that is not screened to collect the base, when the staff need to be changed or maintain first screening layer and second screening layer, the staff removes the locking of synchronous pressing mechanism and can drive bulk cargo lid in step, The first and second screening layers rise. The sand material of different particle sizes can be effectively screened out in multiple stages for detection.

4. The utility model discloses a sand material passes inside the bulk cargo lid gets into the installation sleeve, and sand material falls into the screen hopper, and the screen hopper screens sand material, and the sand grain that is not screened passes the screen hopper and falls on second bulk cargo fill, and second bulk cargo fill will not be scattered by the sand material guide of screening and get into second screening layer, and the sand material that is screened by the screen hopper falls into inside the detection device that weighs that corresponds from the discharge gate of screen hopper. Can effectively select the sand material that needs detect through the sieve fill of different specifications.

5. The utility model discloses a unable adjustment base is used for connecting vibration base conduction vibration power, and the collecting hopper is used for collecting the sand material that is not screened by second screening layer to lead the sand material to the detection device that weighs that corresponds.

6. The utility model discloses when needing to be changed or the first screening layer of maintenance and second screening layer, the staff rotates in proper order and loosens the press nut, and the spring then promotes bulk material lid, first screening layer second screening layer alternate segregation simultaneously, and the staff of being convenient for changes or maintains first screening layer and second screening layer, the effectual manpower of using sparingly.

7. The utility model discloses a, inside the storage hopper was carried with sand to the transport connecting pipe, the storage hopper was used for accepting sand, and the ware of weighing weighs sand, and the preferred biax cylinder of linear actuator drives the cardboard and rises, makes the discharge gate of storage hopper lateral part open, and the storage hopper is carried the collecting pit with sand guide. The sand material that can the automatic clear test is good, and effectual using manpower sparingly.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the particle size detecting device of the present invention;

FIG. 3 is a side view of the particle size detecting device of the present invention

FIG. 4 is a cross-sectional view at section A-A of FIG. 3;

fig. 5 is a perspective view of the constant-volume feeding device of the present invention;

FIG. 6 is a front view of the sieving and classifying device of the present invention;

fig. 7 is a perspective view of the bulk material cover of the present invention;

fig. 8 is a first perspective view of the first screening layer of the present invention;

fig. 9 is a second perspective view of the first screening layer of the present invention;

fig. 10 is a perspective view of the collecting base of the present invention;

fig. 11 is a perspective view of the weighing detection device of the present invention;

fig. 12 is a perspective view of the loading device of the present invention;

fig. 13 is a perspective view of the conveying connecting pipe of the present invention.

The reference numbers in the figures are:

1-a frame;

2-vibrating screen; 2 a-a feed pipe; 2 b-a waste duct; 2 c-qualified material conveying pipe;

3-a first control valve;

4-a quantitative feeding device; 4 a-a first connection pipe; 4 b-a quantitative storage box; 4 c-a second control valve; 4 d-a third control valve; 4 e-a sensor;

5-screening and sorting device; 5 a-vibrating base; 5 b-bulk lid; 5b 1-mounting cover; 5b 2-first bulk hopper; 5 c-first screening layer; 5c 1-mounting sleeve; 5c 2-second bulk bin; 5c 3-sieve hopper; 5 d-second screening layer; 5 e-a collection base; 5e 1-fixed base; 5e 2-collection hopper; 5 f-a synchronous pressing mechanism; 5f 1-fixed threaded post; 5f 2-spring; 5f 3-pressing nut;

6-weighing detection device; 6 a-a weigher; 6 b-a loading device; 6b 1-mount; 6b 2-storage hopper; 6b 3-Linear drive; 6b 4-card; 6 c-delivery connection tube; 6c 1-second connecting tube; 6c 2-coupling nut; 6c 3-fourth control valve; 6 d-a collection tank;

7-sand storage box.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

The first embodiment is as follows:

as shown in fig. 1 to 13, the present invention provides:

an automatic online screening and analyzing device for sand grain sizes comprises a frame 1, a vibrating screen 2, a first control valve 3, a grain size detection device and a sand storage box 7; the vibrating screen 2 is fixedly arranged on the frame 1, the top of the vibrating screen 2 is provided with a feeding pipe 2a, the side parts of the vibrating screen 2 are provided with a waste conveying pipe 2b and a qualified material conveying pipe 2c, and one end of the qualified material conveying pipe 2c far away from the vibrating screen 2 is communicated with the sand storage box 7; the sand storage box 7 is arranged below the vibrating screen 2; the first control valve 3 is fixedly arranged on a qualified material conveying pipe 2c of the vibrating screen 2; the particle size detection device is arranged below the vibrating screen 2, and the input end of the particle size detection device is communicated with the qualified material conveying pipe 2c of the vibrating screen 2; the particle size detection device also comprises a quantitative feeding device 4, a screening and classifying device 5, a weighing detection device 6 and an analysis recorder; the screening and classifying device 5 is arranged below the vibrating screen 2; the quantitative feeding device 4 is fixedly arranged at the input end of the screening and classifying device 5; the weighing detection devices 6 are arranged in a plurality and are uniformly distributed at equal intervals, the weighing detection devices 6 are arranged beside the screening and classifying device 5, and the input ends of the weighing detection devices 6 are communicated with the output ends of the screening and classifying device 5; the analysis recorder is connected with the weighing detection device 6.

Based on the above-mentioned embodiment, the utility model discloses the technical problem that wants to solve is automatic accurate selective examination. Therefore, the utility model guides the sand material into the vibrating screen 2 through the feeding pipe 2a, the vibrating screen 2 screens and classifies the sand material, the waste material sand material is conveyed out through the waste material conveying pipe 2b, the qualified sand material is conveyed into the sand storage box 7 through the qualified material conveying pipe 2c to be used, the first control valve 3 is used for controlling the qualified material conveying pipe 2c, the qualified material conveying pipe 2c is closed by the first control valve 3 when the sand material is required to be selected and inspected, the sand material in the qualified material conveying pipe 2c flows into the quantitative feeding device 4, when the quantitative feeding device 4 is filled with enough sand material, the input end of the quantitative feeding device 4 is closed, the first control valve 3 opens the qualified material conveying pipe 2c to continue normal conveying, the output end of the quantitative feeding device 4 is opened, the sand material in the quantitative feeding device 4 falls into the screening and classifying device 5, and the screening and classifying device 5 classifies the sand material; inside categorised sand material carried detection device 6 in proper order to weigh, detection device 6 weighs the statistics with different particle size sand materials, and the analysis recorder is used for the record to analyze different sand material particle size weights, calculates qualified proportion. The utility model discloses can effectively use manpower sparingly by accurate detection particle diameter of automation, improve detection efficiency simultaneously.

Further, as shown in fig. 5:

the quantitative feeding device 4 comprises a first connecting pipe 4a, a quantitative storage tank 4b, a second control valve 4c, a third control valve 4d and a sensor 4 e; the quantitative material storage box 4b is fixedly arranged at the input end of the screening and classifying device 5, and one end of the first connecting pipe 4a is communicated with the qualified material conveying pipe 2c of the vibrating screen 2; one end of the first connecting pipe 4a, which is far away from the qualified material conveying pipe 2c, is communicated with the quantitative material storage box 4 b; the second control valve 4c is fixedly mounted on the first connecting pipe 4 a; the third control valve 4d is fixedly arranged at the output end of the quantitative storage box 4 b; the sensor 4e is fixedly installed on the quantitative storage box 4 b.

Based on the above-mentioned embodiment, the utility model discloses the technical problem that wants to solve bears quantitative sand material and tests. For this reason, the utility model discloses a first control valve 3 closes certified material conveyer pipe 2c when wanting the spot check sand material, the inside sand material of certified material conveyer pipe 2c then flows to first connecting pipe 4a, the sand material gets into first connecting pipe 4a is opened to second control valve 4c, first connecting pipe 4a is carried the sand material guide to quantitative storage case 4b inside, sensor 4e is used for monitoring the inside sand material storage capacity of quantitative storage case 4b, when quantitative storage case 4b stored the detected quantity, close second control valve 4c, first control is opened and is made qualified sand material continue to carry to storage sand box 7, open third control valve 4d and carry 5 inside detections of screening classification device with the sand material, can examine by automatic ration material taking, the effectual manpower of using sparingly.

Further, as shown in fig. 4:

the screening and classifying device 5 comprises a vibrating base 5a, a bulk material cover 5b, a first screening layer 5c, a second screening layer 5d, a collecting base 5e and a synchronous pressing mechanism 5 f; the vibrating base 5a, the bulk material cover 5b, the first screening layer 5c, the second screening layer 5d and the collecting base 5e are all arranged coaxially; the collecting base 5e is fixedly arranged at the output end of the vibrating base 5 a; the second screening layer 5d is arranged above the collecting base 5 e; the first screening layer 5c is arranged above the second screening layer 5d, and the first screening layer 5c and the second screening layer 5d have the same structure; the bulk material cover 5b is arranged above the first screening layer 5 c; synchronous pressing means 5f and collection base 5e fixed connection, synchronous pressing means 5f establishes ties bulk material lid 5b, first screening layer 5c, second screening layer 5d and collection base 5e in proper order.

Based on the embodiment, the utility model discloses the technical problem who wants to solve is multistage classification screening sand material. Therefore, the utility model synchronously vibrates the bulk material cover 5b, the first screening layer 5c, the second screening layer 5d and the collecting base 5e through the vibrating base 5a, the sand material is conveyed into the bulk material cover 5b by the quantitative feeding device 4, the bulk material cover 5b disperses the sand material, the dispersed sand material falls on the first screening layer 5c, the first screening layer 5c screens the sand material, the screened sand material is conveyed to the corresponding weighing detection device 6 by the first screening layer 5c for weighing detection, the sand material which is not screened falls on the second screening layer 5d, the second screening layer 5d screens the sand material again, the screened sand material is conveyed to the corresponding weighing detection device 6 by the second screening layer 5d for weighing detection, the sand material which is not screened falls on the collecting base 5e, the collecting base 5e conveys the sand material which is not screened to the corresponding weighing detection device 6 for weighing detection, when the staff need change or maintain first screening layer 5c and second screening layer 5d, the staff removes the locking of synchronous pressing mechanism 5f and can drive bulk material lid 5b, first screening layer 5c and second screening layer 5d and rise in step. The sand material of different particle sizes can be effectively screened out in multiple stages for detection.

Further, as shown in fig. 7:

the bulk material cover 5b comprises a mounting cover 5b1 and a first bulk material hopper 5b 2; the top opening of installation lid 5b1 communicates with the output of ration feed arrangement 4, and the bottom opening of installation lid 5b1 is equipped with the butt joint groove, and the outside of installation lid 5b1 is equipped with the several connecting block, and the axis evenly distributed of connecting block with installation lid 5b1, first bulk bin 5b2 is fixed inside installation lid 5b 1.

Based on the above-mentioned embodiment, the utility model discloses the technical problem butt joint ration feed arrangement 4 that wants to solve to guide diffusion sand material. Therefore, the utility model discloses a bottom butt joint groove of installation lid 5b1 is used for the first screening layer 5c of sealed butt joint, and inside installation lid 5b1 was carried to the building stones that quantitative feed device 4 took the ration, got into the inside building stones of installation lid 5b1 and fallen on first bulk bin 5b2, and first bulk bin 5b2 falls into first screening layer 5c inside with the sand material dispersion.

Further, as shown in fig. 8 and 9:

the first screening layer 5c comprises a mounting sleeve 5c1, a second bulk bin 5c2 and a screening bin 5c 3; an opening at the upper end of the mounting sleeve 5c1 is provided with a butt joint bump, an opening at the bottom of the mounting sleeve 5c1 is provided with a butt joint groove, the outer side of the mounting sleeve 5c1 is provided with a plurality of connecting blocks, and the connecting blocks are uniformly distributed along the axis of the mounting sleeve 5c 1; the sieve hopper 5c3 is fixedly connected with the inside of the mounting sleeve 5c1, a discharge hole is arranged at the axis position of the sieve hopper 5c3, external threads are arranged on the outer side of the discharge hole, and the discharge hole is connected with the input end of the weighing detection device 6; the second bulk cargo fill sets up in sieve fill 5c3 below, and the axle center position of second bulk cargo fill is equipped with the through-hole.

Based on above-mentioned embodiment, the utility model discloses the technical problem that wants to solve is filtering screen sand material. Therefore, the utility model discloses a sand material passes inside bulk material lid 5b gets into installation sleeve 5c1, the sand material falls into on sieve fill 5c3, sieve fill 5c3 filters the sand material, the sand grain that is not screened passes sieve fill 5c3 and falls on second bulk material fill 5c2, second bulk material fill 5c2 will not be scattered the sand material guide that is screened and get into second screening layer 5d, the sand material of being selected by sieve fill 5c3 falls into corresponding weighing detection device 6 inside from the discharge gate of sieve fill 5c 3. The sand materials to be detected can be effectively screened out through the screening hoppers 5c3 with different specifications.

Further, as shown in fig. 10:

the collecting base 5e comprises a fixed base 5e1 and a collecting hopper 5e 2; the fixed base 5e1 is fixedly connected with the vibration base 5a, and the upper end opening of the fixed base 5e1 is provided with a butt joint clamping groove; collecting hopper 5e2 fixed mounting is in unable adjustment base 5e 1's inside, and collecting hopper 5e 2's axle center position is equipped with the discharge gate, and the outside of discharge gate is equipped with the external screw thread, and the discharge gate is connected with weighing detection device 6's input.

Based on above-mentioned embodiment, the utility model discloses the technical problem that wants to solve is the sand material of collecting not being screened. Therefore, the utility model discloses a unable adjustment base 5e1 is used for connecting vibration base 5a conduction vibrational force, and collecting hopper 5e2 is used for collecting the sand material that is not screened by second screening layer 5d to guide the sand material to the detection device 6 that weighs that corresponds.

Further, as shown in fig. 6:

the synchronous pressing mechanism 5f includes a fixed threaded post 5f1, a spring 5f2, and a pressing nut 5f 3; the fixed threaded columns 5f1 are provided with a plurality of fixed threaded columns, the fixed threaded columns 5f1 are uniformly distributed by taking the collecting base 5e as an axis, the fixed threaded columns 5f1 are sequentially connected with the bulk material cover 5b, the first screening layer 5c, the second screening layer 5d and the collecting base 5e in series, and one end of each fixed threaded column 5f1 is fixedly connected with the collecting base 5 e; a plurality of pressing nuts 5f3 are uniformly distributed on the fixed threaded column 5f1, and the pressing nuts 5f3 are in threaded connection with the fixed threaded column 5f 1; the springs 5f2 are provided with a plurality of springs 5f2 which are sleeved on the fixed thread column 5f1 and are evenly distributed among the bulk material cover 5b, the first screening layer 5c, the second screening layer 5d and the collecting base 5 e.

Based on the above-mentioned embodiment, the utility model discloses the technical problem that wants to solve is the first screening layer 5c of being convenient for change or maintenance and second screening layer 5 d. For this, the utility model discloses when needing to change or maintain first screening layer 5c and second screening layer 5d, the staff rotates in proper order and loosens and press down nut 5f3, and spring 5f2 then promotes the bulk material simultaneously and covers 5b, first screening layer 5c second screening layer 5d alternate segregation, and the staff of being convenient for changes or maintains first screening layer 5c and second screening layer 5d, and is effectual using manpower sparingly.

Further, as shown in fig. 11:

the weighing detection device 6 comprises a weigher 6a, a loading device 6b, a conveying connecting pipe 6c and a collecting pool 6 d; the weighing device 6a is arranged beside the screening and classifying device 5; the loading device 6b is fixedly arranged on the weighing device 6 a; conveying connecting pipe 6c fixed mounting is in frame 1, and conveying connecting pipe 6 c's output sets up directly over year material device 6b, and conveying connecting pipe 6 c's input and screening sorter 5's output intercommunication.

Based on the above embodiment, the utility model discloses the technical problem that wants to solve is weighed and selects sand material. For this, the utility model discloses a screening sorter 5 is selected the sand material, carries connecting pipe 6c to be arranged in guiding the sand material that the screening is good to get into to formulate the year material device 6b that corresponds, and ware 6a of weighing is used for weighing the sand material, carries out the sand material proportion of the different particle diameters of computational analysis for the analysis recorder with sand material weight data retransmission, and the detection finishes to carry the material device 6b and carries the sand material in the collecting pit 6 d.

Further, as shown in fig. 12:

the loading device 6b comprises a mounting frame 6b1, a storage hopper 6b2, a linear driver 6b3 and a clamping plate 6b 4; the mounting rack 6b1 is fixedly arranged on the weighing device 6 a; the storage hopper 6b2 is fixedly arranged on the frame 1, the upper end of the storage hopper 6b2 is provided with a feed inlet, the side part of the storage hopper 6b2 is provided with a discharge outlet, and the side part of the discharge outlet is provided with a limit rail; the clamping plate 6b4 is in sliding connection with a limit rail of the discharge hole; the linear driver 6b3 is fixedly arranged at the side of the storage hopper 6b2, and the output end of the linear driver 6b3 is fixedly connected with the clamping plate 6b 4.

Based on the above embodiment, the utility model discloses the technical problem who wants to solve is used for accepting the sand material, is convenient for the automatic clear good sand material of test simultaneously. Therefore, the utility model discloses a, inside conveying connecting pipe 6c carried the sand material to storage hopper 6b2, storage hopper 6b2 was used for accepting the sand material, and weighing machine 6a weighs the sand material, and linear actuator 6b3 is preferably biax cylinder, and the biax cylinder drives cardboard 6b4 and rises, makes the discharge gate of storage hopper 6b2 lateral part open, and storage hopper 6b2 carries the collecting pit 6d with the sand material guide. The sand material that can the automatic clear test is good, and effectual using manpower sparingly.

Example two:

further, as shown in fig. 13:

the delivery connection pipe 6c includes a second connection pipe 6c1, a connection nut 6c2, and a fourth control valve 6c 3; the second connecting pipe 6c1 is fixedly arranged on the frame 1, and the output end of the second connecting pipe 6c1 is arranged above the loading device 6 b; the coupling nut 6c2 is turned to be mounted on the input end of the second coupling pipe 6c 1; the fourth control valve 6c3 is fixedly installed on the second connection pipe 6c 1.

Based on above-mentioned embodiment, the utility model discloses the technical problem that wants to solve is that the sand material that is used for guiding 5 selections of screening sorter gets into and carries material device 6 b. Therefore, the utility model discloses second connecting pipe 6c1 passes through coupling nut 6c2 and connects screening sorter 5's discharge gate, and fourth control valve 6c3 is used for controlling the ejection of compact of second connecting pipe 6c 1.

The utility model guides the sand material into the vibrating screen 2 through the feeding pipe 2a, the vibrating screen 2 screens and classifies the sand material, the waste material sand material is conveyed out through the waste material conveying pipe 2b, the qualified sand material is conveyed into the sand storage box 7 through the qualified material conveying pipe 2c to be used, the first control valve 3 is used for controlling the qualified material conveying pipe 2c, when the sand material is required to be checked, the first control valve 3 closes the qualified material conveying pipe 2c, the sand material in the qualified material conveying pipe 2c flows into the quantitative feeding device 4, when the quantitative feeding device 4 is filled with enough sand material, the input end of the quantitative feeding device 4 is closed, the first control valve 3 opens the qualified material conveying pipe 2c to continue normal conveying, the output end of the quantitative feeding device 4 is opened, the sand inside the quantitative feeding device 4 falls into the screening and classifying device 5, and the screening and classifying device 5 classifies the sand; inside categorised sand material carried detection device 6 in proper order to weigh, detection device 6 weighs the statistics with different particle size sand materials, and the analysis recorder is used for the record to analyze different sand material particle size weights, calculates qualified proportion. The utility model discloses can effectively use manpower sparingly by accurate detection particle diameter of automation, improve detection efficiency simultaneously.

The above examples are merely illustrative of one or more embodiments of the present invention, and the description thereof is more specific and detailed, but not intended to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. An automatic online screening and analyzing device for sand grain sizes comprises a rack (1), a vibrating screen (2), a first control valve (3), a grain size detection device and a sand storage box (7); the vibrating screen (2) is fixedly arranged on the rack (1), the top of the vibrating screen (2) is provided with a feeding pipe (2a), the side parts of the vibrating screen (2) are provided with a waste conveying pipe (2b) and a qualified material conveying pipe (2c), and one end, far away from the vibrating screen (2), of the qualified material conveying pipe (2c) is communicated with the sand storage box (7); the sand storage box (7) is arranged below the vibrating screen (2); the first control valve (3) is fixedly arranged on a qualified material conveying pipe (2c) of the vibrating screen (2); the particle size detection device is arranged below the vibrating screen (2), and the input end of the particle size detection device is communicated with a qualified material conveying pipe (2c) of the vibrating screen (2); the particle size detection device is characterized by further comprising a quantitative feeding device (4), a screening and classifying device (5), a weighing detection device (6) and an analysis recorder; the screening and classifying device (5) is arranged below the vibrating screen (2); the quantitative feeding device (4) is fixedly arranged at the input end of the screening and classifying device (5); the weighing detection devices (6) are arranged in a plurality and are uniformly distributed at equal intervals, the weighing detection devices (6) are arranged beside the screening and classifying device (5), and the input ends of the weighing detection devices (6) are communicated with the output ends of the screening and classifying device (5); the analysis recorder is connected with a weighing detection device (6) in a system.

2. The automatic online screening and analyzing device for the sand material grain diameter according to the claim 1, characterized in that the quantitative feeding device (4) comprises a first connecting pipe (4a), a quantitative storage tank (4b), a second control valve (4c), a third control valve (4d) and a sensor (4 e); the quantitative material storage box (4b) is fixedly arranged at the input end of the screening and classifying device (5), and one end of the first connecting pipe (4a) is communicated with the qualified material conveying pipe (2c) of the vibrating screen (2); one end of the first connecting pipe (4a), which is far away from the qualified material conveying pipe (2c), is communicated with the quantitative storage box (4 b); the second control valve (4c) is fixedly arranged on the first connecting pipe (4 a); the third control valve (4d) is fixedly arranged at the output end of the quantitative storage box (4 b); the sensor (4e) is fixedly arranged on the quantitative storage box (4 b).

3. The automatic online screening and analyzing device for the sand material grain diameter according to the claim 1, characterized in that the screening and classifying device (5) comprises a vibrating base (5a), a bulk material cover (5b), a first screening layer (5c), a second screening layer (5d), a collecting base (5e) and a synchronous pressing mechanism (5 f); the vibrating base (5a), the bulk material cover (5b), the first screening layer (5c), the second screening layer (5d) and the collecting base (5e) are all arranged coaxially; the collecting base (5e) is fixedly arranged at the output end of the vibrating base (5 a); the second screening layer (5d) is arranged above the collecting base (5 e); the first screening layer (5c) is arranged above the second screening layer (5d), and the first screening layer (5c) and the second screening layer (5d) have the same structure; the bulk material cover (5b) is arranged above the first screening layer (5 c); synchronous pressing means (5f) and collection base (5e) fixed connection, synchronous pressing means (5f) establish ties bulk material lid (5b), first screening layer (5c), second screening layer (5d) and collection base (5e) in proper order.

4. The automatic on-line screening and analyzing device for the sand material grain diameter according to the claim 3, characterized in that the bulk material cover (5b) comprises a mounting cover (5b1) and a first bulk material hopper (5b 2); the top opening of installation lid (5b1) communicates with the output of ration feed arrangement (4), and the bottom opening of installation lid (5b1) is equipped with the butt joint groove, and the outside of installation lid (5b1) is equipped with the several connecting block, and the axis evenly distributed of connecting block with installation lid (5b1), first bulk bin (5b2) are fixed inside installation lid (5b 1).

5. The automatic online screening and analyzing device for the sand material grain diameter according to the claim 3, characterized in that the first screening layer (5c) comprises a mounting sleeve (5c1), a second bulk material hopper (5c2) and a screening hopper (5c 3); an opening at the upper end of the mounting sleeve (5c1) is provided with a butt joint bump, an opening at the bottom of the mounting sleeve (5c1) is provided with a butt joint groove, the outer side of the mounting sleeve (5c1) is provided with a plurality of connecting blocks, and the connecting blocks are uniformly distributed along the axis of the mounting sleeve (5c 1); the sieve hopper (5c3) is fixedly connected with the inside of the mounting sleeve (5c1), a discharge hole is formed in the axis position of the sieve hopper (5c3), external threads are arranged on the outer side of the discharge hole, and the discharge hole is connected with the input end of the weighing detection device (6); the second bulk cargo hopper is arranged below the screen hopper (5c3), and a through hole is arranged at the axis position of the second bulk cargo hopper.

6. The automatic on-line screening and analyzing device for sand material grain diameter according to the claim 3, characterized in that the collecting base (5e) comprises a fixed base (5e1) and a collecting hopper (5e 2); the fixed base (5e1) is fixedly connected with the vibration base (5a), and the upper end opening of the fixed base (5e1) is provided with a butt joint clamping groove; collecting hopper (5e2) fixed mounting is in unable adjustment base (5e1) inside, and collecting hopper (5e2) axle center position is equipped with the discharge gate, and the outside of discharge gate is equipped with the external screw thread, and the discharge gate is connected with weighing detection device's (6) input.

7. The automatic online screening and analyzing device for the sand material grain diameter according to the claim 3, characterized in that the synchronous pressing mechanism (5f) comprises a fixed threaded column (5f1), a spring (5f2) and a pressing nut (5f 3); the fixed threaded columns (5f1) are provided with a plurality of fixed threaded columns, the fixed threaded columns are uniformly distributed by taking the collecting base (5e) as an axis, the fixed threaded columns (5f1) are sequentially connected with the bulk material cover (5b), the first screening layer (5c), the second screening layer (5d) and the collecting base (5e) in series, and one end of each fixed threaded column (5f1) is fixedly connected with the collecting base (5 e); a plurality of pressing nuts (5f3) are uniformly distributed on the fixed threaded column (5f1), and the pressing nuts (5f3) are in threaded connection with the fixed threaded column (5f 1); the springs (5f2) are provided with a plurality of springs (5f2), the springs (5f2) are sleeved on the fixed threaded columns (5f1) and are uniformly distributed among the bulk material cover (5b), the first screening layer (5c), the second screening layer (5d) and the collecting base (5 e).

8. The automatic online screening and analyzing device for the sand material grain diameter according to claim 1, characterized in that the weighing and detecting device (6) comprises a weigher (6a), a loading device (6b), a conveying connecting pipe (6c) and a collecting tank (6 d); the weighing device (6a) is arranged beside the screening and classifying device (5); the loading device (6b) is fixedly arranged on the weighing device (6 a); conveying connecting pipe (6c) fixed mounting is on frame (1), and conveying connecting pipe (6 c)'s output sets up directly over year material device (6b), and conveying connecting pipe (6 c)'s input and screening sorter (5)'s output intercommunication.

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