CN111257151A - Machine-made sand quality detection equipment - Google Patents
Machine-made sand quality detection equipment Download PDFInfo
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- CN111257151A CN111257151A CN202010150332.3A CN202010150332A CN111257151A CN 111257151 A CN111257151 A CN 111257151A CN 202010150332 A CN202010150332 A CN 202010150332A CN 111257151 A CN111257151 A CN 111257151A
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- 239000004576 sand Substances 0.000 title claims abstract description 96
- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 21
- 238000005303 weighing Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 17
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 2
- 238000012372 quality testing Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 238000003384 imaging method Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 7
- 238000012216 screening Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N2015/0294—Particle shape
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to machine-made sand quality detection equipment, which relates to the technical field of machine-made sand detection and comprises a water content detection device, a powder content detection device and an image acquisition device which are sequentially arranged, wherein the water content detection device comprises a first weighing device and a drying device, the first weighing device is obliquely provided with a material collecting bin with openings at the upper end and the lower end, the lower end of the material collecting bin is provided with a baffle, the upper end of the baffle is rotatably connected with the material collecting bin, the lower end of the baffle naturally droops under the action of gravity to block the lower end port of the material collecting bin, and the drying device is arranged on the material collecting bin. The invention has the effect of reducing the cost of the machine-made sand detection equipment.
Description
Technical Field
The invention relates to the technical field of machine-made sand detection, in particular to a machine-made sand quality detection device.
Background
The particle size and the particle shape are two important control parameters of the machine-made sand, the particle size and the particle shape of the machine-made sand can be obtained by detecting the machine-made sand by adopting an image method, the particle size of the machine-made sand can only be obtained by using a screening method, and meanwhile, the screening method has the defects of low measurement efficiency and incapability of on-line monitoring, so that the image method replaces the screening method and is an inevitable trend of machine-made sand detection. However, because the detection modes of the image method and the screening method are different, and the particle shapes of the machine-made sand particles are different, the detection results of the two particle size detection modes are different, the image method is used for completely replacing the screening method to measure the machine-made sand particles, and the detection result difference of the two detection methods needs to be eliminated. The existing on-line detection equipment for the particle size and particle shape of the machine-made sand based on the image method is lack of a pretreatment process for the machine-made sand, so that dust and bonding machine-made sand easily enter an image acquisition area to obtain an unreliable image; the previous detection equipment ignores that the mechanism sand falling range is outside the focal length of the camera, so that the acquired image is fuzzy, an unreliable image is easily obtained, and the detection result has deviation. A kind of
In the prior art, for example, chinese patent with publication number CN110068518A discloses machine-made sand quality detection equipment, which comprises a frame, wherein the frame is provided with a feed inlet, a water content detection device, a sample injection device, a powder content detection device, a dispersion device, an image acquisition device, an image analysis device and a recovery device; the feeding hole is formed in the top of the frame and used for throwing machine-made sand; the water content detection device is positioned below the feeding hole, and the machine-made sand passing through the feeding hole is fed into the water content detection device; the sample introduction device is positioned below the water content detection device and is connected with the powder content detection device, and the machine-made sand is sent into the powder content detection device from the water content detection device through the sample introduction device; the image acquisition device comprises a shading box, a backlight source, an image acquisition area and an imaging device, wherein the backlight source, the image acquisition area and the imaging device are all positioned in the shading box, and the backlight source and the imaging device are positioned at two sides of the image acquisition area; the dispersing device is connected with the powder content detecting device and the image acquisition device so that the machine-made sand is sent to the image acquisition area from the powder content detecting device through the dispersing device and is positioned between the backlight source and the imaging device; the image analysis device is connected with the imaging device to perform feature extraction on the image acquired by the imaging device to obtain the feature parameters of the machine-made sand, and then the obtained feature parameters are corrected by using a correction model for correcting the particle size by using the particle shape; the recovery device is positioned below the image acquisition area to recover the machine-made sand; wherein, the water content detection device comprises a first turnover device, a first weighing device and a drying device.
In the prior art, the machine-made sand needs to be dried firstly to reduce the influence of moisture in the machine-made sand on the machine-made sand, but the machine-made sand is directly poured into drying equipment during drying, the machine-made sand is not dispersed, the machine-made sand can be coagulated after being bonded, the subsequent powder content detection and image acquisition of the machine-made sand are seriously influenced, more crushing work is needed, the equipment cost is greatly increased, and improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the machine-made sand quality detection equipment which can reduce the cost of the machine-made sand detection equipment.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a mechanism sand quality testing equipment, includes the water content detection device that sets gradually, contains powder volume detection device and image acquisition device, water content detection device includes first weighing-appliance and drying device, the slope is provided with the collection feed bin that both ends opening set up about on the first weighing-appliance, the lower extreme of collection feed bin is provided with the baffle, the upper end and the collection feed bin of baffle rotate to be connected, the lower extreme of baffle is flagging naturally in order to block the lower extreme port of collection feed bin under the effect of gravity, drying device sets up on collection feed bin.
Through adopting above-mentioned technical scheme, when needs carry out the water content and detect time, only need pour the mechanism sand into in the collection feed bin from the upper end opening of collection feed bin, then heat collection feed bin inside through drying device, make the mechanism sand contain some evaporation of water can, when needs are unloaded, only need through open the baffle so that expose the clearance can make the mechanism sand of stoving under the effect of gravity directly the landing to next process between the lower extreme port of downside and collection feed bin of baffle, the mechanism sand after the water content detects to get into in proper order and carries out the water content in powder content detection device and the image acquisition device and detect and the particle type can.
The present invention in a preferred example may be further configured to: the drying device is set as an air heater, and an air outlet of the air heater is communicated with the interior of the material collecting bin.
Through adopting above-mentioned technical scheme, it can reach the effect of drying-machine system sand to bulge into hot-blastly in the storehouse to the album of storage through the air heater, and simultaneously, the hot-blastly of air heater can also blow the mechanism sand and take place to remove for the probability that the mechanism sand condenses the blocking diminishes.
The present invention in a preferred example may be further configured to: the air heater is a multi-gear air speed adjustable air heater, and at least one gear air speed of the multi-gear air speed adjustable air heater can push the baffle open.
Through adopting above-mentioned technical scheme, adopt the adjustable air heater of many gears wind speed, when the mechanism sand is complete dry back and need get into next process, can be the biggest with the wind speed modulation of air heater for the baffle is opened naturally under the effect of air heater wind force, thereby reaches the effect of automatic blanking, and the air heater continues to bulge the mechanism sand that partly bonds on the collection feed bin inner wall of hot-blast in the storehouse that gathers materials and blows off, ensures the unloading effect.
The present invention in a preferred example may be further configured to: the air outlet of the air heater is provided with a gas pipe, one end of the gas pipe, far away from the air heater, extends out of the rack and is fixed with the top of the rack, and the gas pipe is far away from the air heater.
Through adopting above-mentioned technical scheme, make the air outlet of air heater and the upper end opening of collecting the feed bin can communicate through the gas-supply pipe, and make the air heater can play the effect of stable support gas-supply pipe upper end through the fixed gas-supply pipe of frame according to on lower position, make and need not take place the contact between gas-supply pipe and the collecting the feed bin to make bearing device can not receive the influence of gas-supply pipe.
The present invention in a preferred example may be further configured to: the upper end of the material collecting bin is provided with a sealing cover, a through hole is formed in one side face of the upper end of the material collecting bin, and one end, far away from the material collecting bin, of the gas pipe extends into the material collecting bin through the through hole.
Through adopting above-mentioned technical scheme, when mechanism sand pours into in the aggregate storehouse back, can play the effect that prevents the hot-blast direct from aggregate storehouse upper end opening loss that the air-blower was bloated through covering on the upper end opening of aggregate storehouse, and when needs blanking, the closing cap can avoid mechanism sand because the too big upper end opening departure of direct follow aggregate storehouse of air pressure in the aggregate storehouse, makes the gas-supply pipe can keep the connected state with the aggregate storehouse through the perforating hole.
The present invention in a preferred example may be further configured to: the perforating hole sets up on the last side of aggregate bin, the gas-supply pipe stretches into the one end in the aggregate bin and just is close to the direction setting of buckling of aggregate bin lower extreme towards the upside of aggregate bin.
Through adopting above-mentioned technical scheme, when the hot-blast direct drum of gas-supply pipe input goes into in the aggregate bin, stretch into the one end of aggregate bin with the gas-supply pipe and towards the upside of aggregate bin and be close to the direction of aggregate bin lower extreme and buckle the setting and can make the gas-supply pipe drum blow the last side of thinking the aggregate bin earlier in the aggregate bin, hot-blast can take place the dispersion after blowing the last side of aggregate bin, thereby make hot-blast can be comparatively even be acted on the bottom surface of aggregate bin, make the drying effect of machine-made sand better.
The present invention in a preferred example may be further configured to: the bottom surface of the interior of the material collecting bin is provided with a plurality of bosses arranged along the width direction of the material collecting bin, the bosses are arranged along the length direction of the material collecting bin, the upper surface of each boss is horizontally arranged, and the upper surface of each boss is connected with the bottom surface of the material collecting bin.
Through adopting above-mentioned technical scheme, when the mechanism sand is poured into the aggregate bin in, each boss homoenergetic plays the effect that the interception supported the mechanism sand for mechanism sand can directly not fall to aggregate bin bottom, makes the bottom surface homoenergetic of aggregate bin can be comparatively even be covered with the mechanism sand, makes the mechanism sand be heated more evenly, effectively improves drying efficiency, and makes the probability of condensing of mechanism sand further reduce.
The present invention in a preferred example may be further configured to: the bottom surface of the material collecting bin and the parts connected with the two sides of the material collecting bin are all rounded.
Through adopting above-mentioned technical scheme, the position fillet setting that meets the bottom surface of collecting bin and collecting bin both sides can avoid producing the triangle crack between the bottom surface of collecting bin and the both sides, can avoid mechanism sand to remain between the crack of collecting bin bottom surface and both sides.
The present invention in a preferred example may be further configured to: the parts that each side of boss meets with the aggregate bin inner wall all round angle establish.
Through adopting above-mentioned technical scheme, set up the equal fillet in position that each side of boss and collection feed bin inner wall meet and can avoid producing the triangle crack between boss and the collection feed bin, can avoid the mechanism sand to remain between the crack of boss and collection feed bin.
The present invention in a preferred example may be further configured to: the aggregate bin is made of a metal material.
Through adopting above-mentioned technical scheme, metal heat conduction effect is better for hot-blast effect also can heat the aggregate bin when aggregate bin, thereby makes the mechanism sand that takes place the contact with aggregate bin bottom surface also can be heated, effectively improves drying efficiency.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the machine-made sand can be dispersed during the water content detection, and then the machine-made sand is dried, so that the probability of agglomeration of the machine-made sand is effectively reduced;
2. if the machine-made sand is agglomerated after being dried, the machine-made sand can be crushed by wind power, so that the agglomeration probability of the machine-made sand is further reduced;
3. only a first weighing device and an air heater are needed during drying, a control system is more simplified, and cost is effectively reduced.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic view showing the structure of the water content detecting apparatus according to the present embodiment;
FIG. 3 is a schematic sectional view of the water content detecting apparatus according to the present embodiment;
FIG. 4 is a schematic view of the water content detecting apparatus according to the present embodiment;
fig. 5 is a schematic structural diagram of the image device of the present embodiment.
Reference numerals: 1. a frame; 2. a water content detection device; 21. a first weighing device; 211. sealing the cover; 212. a baffle plate; 22. a material collecting bin; 221. a boss; 222. a through hole; 223. a comb rod; 23. a drying device; 24. a gas delivery pipe; 25. a support bar; 3. a powder content detection device; 4. an image device; 41. a shading box; 42. a backlight source; 43. an image forming apparatus.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the machine-made sand quality detection device disclosed by the invention comprises a frame 1, wherein a water content detection device 2 for detecting the water content in the machine-made sand, a powder content detection device 3 for detecting the powder content in the machine-made sand and an image device 4 for acquiring the image characteristics of the machine-made sand are arranged in the frame 1, and a feed inlet of the water content detection device 2 extends out of the frame 1; wherein, the discharge hole of the water content detection device 2 is communicated with the feed inlet of the powder content detection device 3, the image device 4 is arranged on the discharge hole of the powder content detection device 3, and the recovery device is arranged right below the discharge hole of the powder content detection device 3.
Referring to fig. 1 and 2, the powder content detecting device 3 includes a first weighing device 21 fixedly disposed in the frame 1 for weighing the machine-made sand, a collecting bin 22 obliquely disposed on the first weighing device 21 and arranged in a rectangular cylinder shape, and a drying device 23 disposed in the frame 1 for drying the machine-made sand in the collecting bin 22; wherein, drying device 23 sets up to the air heater, and the air heater passes through air pipe 24 and the upper end intercommunication of aggregate storehouse 22.
Referring to fig. 2 and 3, the upper end of the material collecting bin 22 extends out of the frame 1 and is provided with an opening, the upper opening of the material collecting bin 22 is covered with a sealing cover 211 for sealing the upper opening of the material collecting bin 22, the lower end of the material collecting bin 22 extends out of the first weighing device 21 and is communicated with the feed inlet of the powder content detecting device 3, the lower opening of the material collecting bin 22 is provided with a baffle 212, the upper side of the baffle 212 is rotatably connected with the lower opening of the material collecting bin 22, the lower side of the baffle 212 is connected with the lower opening of the material collecting bin 22 in a sealing manner under the action of gravity, and when the baffle 212 naturally sags under the action of gravity, the lower side of the baffle 212 is inclined towards the; wherein, a plurality of support rods 25 are arranged outside the aggregate bin 22, each support rod 25 is vertically arranged, and the lower end of each support rod is fixed on the first weighing device 21.
As shown in fig. 2 and fig. 3, a plurality of bosses 221 extending along the width direction of the collecting bin 22 and arranged at equal intervals along the length direction of the collecting bin 22 are arranged on the bottom surface inside the collecting bin 22, and the upper surface of each boss 221 is horizontally arranged and connected to the bottom surface of the collecting bin 22; the bottom surface of the collecting bin 22 is formed by continuously bending a metal plate with two sides bent upwards, the left side surface, the right side surface and the upper side surface of the collecting bin 22 are formed by bending the same metal plate twice, and the collecting bin 22 is formed by welding two metal sheets.
Wherein, the equal fillet in position that the bottom surface of aggregate bin 22 and aggregate bin 22 both sides meet sets up, and the equal fillet in position that each side of boss 221 and aggregate bin 22 inner wall meet sets up.
When needs material loading, only need open closing cap 211, then directly pour the mechanism sand into in the aggregate bin 22, the mechanism sand returns the bottom that the landing arrives aggregate bin 22 under the effect of gravity, however, because the blockking of each boss 221, make the mechanism sand all can form the long-pending phenomenon of encircleing on each boss 221, thereby make the mechanism sand can not all fall to aggregate bin 22 bottom, but rather for even distribution on each boss 221, thereby make the mechanism sand be heated and can be more even, and can avoid a large amount of mechanism sand to condense into the piece.
A through hole 222 is arranged on the upper side of the upper end of the collecting bin 22, one end of the air pipe 24 far away from the air heater is inserted into the through hole 222, and one end of the air pipe 24 inserted into the through hole 222 is bent towards the upper side of the collecting bin 22 and close to the lower end of the collecting bin 22; wherein, one end of the air pipe 24 far away from the air heater is fixed with the top of the aggregate bin 22; the air heater is a multi-gear air speed adjustable air heater, and at least one gear of the multi-gear air speed adjustable air heater can push the baffle 212.
Further, as shown in fig. 4, this embodiment also has an optimized scheme, and specifically, all be provided with a plurality of vertical comb rods 223 on each boss 221, each comb rod 223 by in the nail inserts into the bottom surface of collection feed bin 22, can further disperse the mechanism sand through each comb rod 223, can further reduce the effect that the mechanism sand congeals into the piece.
As shown in fig. 1, the powder content detection device 3 includes a dust collector, a dust collection hose, a Y-shaped tube, a second weighing device, and a temporary storage box disposed on the second weighing device; the dust collector is fixed on the rack 1, the Y-shaped pipe is fixed on the rack 1, the second weighing device is located below the image acquisition device, the Y-shaped pipe is provided with two open ends and a common end, the two open ends of the Y-shaped pipe face upwards, the common end faces downwards, one of the open ends of the Y-shaped pipe is connected with the dust collector through the dust collection hose, and the other open end of the Y-shaped pipe is located right below the lower end opening of the material collection bin 22 so as to introduce machine-made sand.
As shown in fig. 5, the image device 4 includes a light shielding box 41, a backlight 42, an image capturing area, an imaging device 43, and a host. The backlight source 42, the image acquisition area and the imaging device 43 are arranged in the shading box 41, the backlight source 42 and the imaging device 43 are positioned at two sides of the image acquisition area, and the machine-made sand is positioned between the backlight source 42 and the imaging device 43. In this embodiment, the common end of the Y-shaped tube is located between the backlight 42 and the image forming device 43, and the falling machine sand is located between the backlight 42 and the image forming device 43.
Wherein, above-mentioned each weighing device all sets up to the electronic scale, and each weighing device's display screen all stretches out outside 1 frame so that the staff observes.
The working steps are as follows:
the method comprises the following steps: opening a sealing cover 211 which covers an opening at the upper end of the aggregate bin 22, taking out the aggregate bin, putting the machine-made sand into the aggregate bin 22, and covering the sealing cover 211;
step two: controlling a small gear of the air heater to input hot air so as to dry the machine-made sand;
step three: after drying, controlling a hot air blower to input hot air at high power, so that the airflow in the aggregate bin 22 is increased, the baffle 212 can be pushed away by the hot air, and the machine-made sand can be pushed out of the aggregate bin 22 by the hot air and falls onto the powder content detection device 3;
step four: when the air heater outputs high power, the dust collector is started simultaneously, so that stone powder can be removed from the machine-made sand falling into the Y-shaped pipe, and the rest machine-made sand directly enters the image acquisition device to simultaneously overhaul the image acquisition work;
step five: ) The machine-made sand after passing through the image acquisition device enters a second weighing device for weighing, and the powder content of the machine-made sand is measured
And measuring, and then taking out the temporary storage box after detection is finished.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a mechanism sand quality testing equipment, includes water content detection device (2), powder content detection device (3) and the image acquisition device that sets gradually, its characterized in that: water content detection device (2) include first weighing equipment (21) and drying device (23), slope on first weighing equipment (21) and be provided with collection feed bin (22) that both ends opening set up from top to bottom, the lower extreme of collection feed bin (22) is provided with baffle (212), the upper end and the collection feed bin (22) of baffle (212) rotate to be connected, the lower extreme of baffle (212) is flagging naturally under the effect of gravity in order to block the lower extreme port of collection feed bin (22), drying device (23) set up on collection feed bin (22).
2. The machine-made sand quality detection device of claim 1, wherein: the drying device (23) is an air heater, and an air outlet of the air heater is communicated with the interior of the material collecting bin (22).
3. The machine-made sand quality detection device of claim 2, wherein: the air heater is a multi-gear air speed adjustable air heater, and at least one gear air speed of the multi-gear air speed adjustable air heater can push the baffle (212) open.
4. The machine-made sand quality detection device of claim 2, wherein: be provided with gas-supply pipe (24) on the air outlet of air heater, the one end that air heater was kept away from in gas-supply pipe (24) stretches out outside frame (1) and is fixed together with the top of frame (1), air heater is kept away from in gas-supply pipe (24).
5. The machine-made sand quality detection device of claim 4, wherein: the upper end of the material collecting bin (22) is provided with a sealing cover (211), one side surface of the upper end of the material collecting bin (22) is provided with a through hole (222), and one end, far away from the material collecting bin (22), of the gas conveying pipe (24) extends into the material collecting bin (22) through the through hole (222).
6. The machine-made sand quality detection device of claim 5, wherein: the through hole (222) is formed in the upper side face of the material collecting bin (22), and one end, extending into the material collecting bin (22), of the air conveying pipe (24) is bent towards the upper side of the material collecting bin (22) and close to the lower end of the material collecting bin (22).
7. The machine-made sand quality detection device of claim 1, wherein: the bottom surface of the interior of the collecting bin (22) is provided with a plurality of bosses (221) arranged along the width direction of the collecting bin (22), each boss (221) is arranged along the length direction of the collecting bin (22), the upper surface of each boss (221) is horizontally arranged, and the upper surface of each boss (221) is connected with the bottom surface of the collecting bin (22).
8. The machine-made sand quality detection device of claim 1, wherein: the bottom surface of the material collecting bin (22) and the parts connected with the two sides of the material collecting bin (22) are all arranged in a rounding manner.
9. The machine-made sand quality detecting apparatus according to claim 7, wherein: the side surfaces of the lug boss (221) are rounded at the positions connected with the inner wall of the material collecting bin (22).
10. The machine-made sand quality detection device of claim 1, wherein: the aggregate bin (22) is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010150332.3A CN111257151A (en) | 2020-03-06 | 2020-03-06 | Machine-made sand quality detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010150332.3A CN111257151A (en) | 2020-03-06 | 2020-03-06 | Machine-made sand quality detection equipment |
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| CN111257151A true CN111257151A (en) | 2020-06-09 |
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| CN202010150332.3A Pending CN111257151A (en) | 2020-03-06 | 2020-03-06 | Machine-made sand quality detection equipment |
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