CN207147927U - Sinter mixture original particle size measurement system - Google Patents

Abstract

The utility model discloses a system for measuring the original particle size of a sintered mixture, which comprises a cooling device, a detection and sample delivery device, a screening device and a microscope, wherein the discharge port of the cooling device is connected with the feed port of the detection and sample delivery device, and the detection and sample delivery The device is located between the cooling device and the sieving device; the sintered mixture passes through the cooling device, the detection sample delivery device and the sieving device in turn, and is sent to the microscope for detection and observation. Compared with the existing technology, this solution realizes the sintering mixture particle freezing process, the obtained mixture does not need to be granulated, the particle size of the mixture is stable, no manual stirring operation is required, the material can be fed continuously, and the condensate can be recycled; Continuous, automatic sampling and sample delivery of mixed materials with different particle sizes separated during the sieving process can improve the stability, uniformity and reliability of sampling, avoid artificial instability factors in the sample delivery process, and reduce labor costs. Strength, improve the accuracy of analysis and detection, and effectively improve the accuracy of the sample.

Description

Sintering Mixture Primary Particle Size Measuring System

technical field

The utility model relates to a system for measuring the original particle size of a sintered mixture.

Background technique

The raw material granules of sinter mixture are formed by mixing and pelletizing by controlling the delivery volume of various raw materials in proportion by the batching system; before measuring the original particle size of sinter mixture, it needs to be sieved. Traditionally, the raw material particles of the sinter mixture are directly sieved, manually sampled, manually sent, and finally the original particle size is measured. Since the original material particles of sinter mixture are wet and soft, direct screening will cause the surface of the original material particles to be damaged, stick and stick to the screen, destroy the original material particles, interfere with the test results, and the labor of traditional manual sampling High strength and low work efficiency; the stability, uniformity and reliability of sampling are poor, which affects the accuracy of analysis and detection.

Utility model content

In order to solve the above technical problems, the utility model provides a system for measuring the original particle size of the sintered mixture to solve the problem of long freezing period, low efficiency, poor repeatability of the measurement results of the mixture particles, not suitable for large-scale freezing treatment, and effectively reducing the amount of cooling liquid and Safe operation, as well as manual sampling and manual sample delivery are labor-intensive and low-efficiency, effectively improving the stability, uniformity and reliability of sampling, effectively avoiding artificial instability factors in the sample delivery process, improving the reliability of testing samples, issues of accuracy.

The technical scheme adopted by the utility model is as follows: a system for measuring the original particle size of sintered mixture, the key lies in: including a cooling device, a detection and sample delivery device, a screening device and a microscope, wherein the discharge port of the cooling device is connected with the detection and sample delivery The feed port of the device is communicated, and the detection sample delivery device is located between the cooling device and the screening device;

The sintered mixture is sent to the microscope for detection and observation through the cooling device, the detection sample delivery device and the screening device in sequence.

The beneficial effect of the above scheme is that the sintered material particles can be continuously and rapidly frozen and shaped by the cooling device, and then automatically sent to the screening device through the detection sample delivery device, and the material particles of different particle sizes are separated by the screening device and automatically sampled and sent Use a microscope for detection and observation, reduce labor intensity, and at the same time improve the stability, uniformity and accuracy of analysis and detection.

Preferably, the cooling device includes a cooling box, and the cooling box is horizontally provided with a ventilating partition, and the venting partition divides the cooling box into an upper material placement area and a lower heat exchange area, The heat exchange area is provided with a spiral heat exchange tube, and the inlet end and the outlet end of the spiral heat exchange tube pass through the box wall of the cooling box respectively, and the bottom of the cooling box is provided with an air inlet. A gas dispersing sieve plate is arranged in the heat exchange area, and the gas dispersing sieve plate is arranged between the air inlet and the heat exchange tube.

The effect of this scheme is that there is condensate stored in the heat exchange tube to prevent the condensate from absorbing heat and evaporating. The mixed material particles are quickly frozen and formed; the spiral tube can increase the length of the tube body in the box and enhance the cooling effect. The inlet and outlet ends of the spiral tube pass through the box wall of the box respectively, and the cooling liquid can be recycled. Effectively reduce the amount of cooling liquid and reduce costs; the gas dispersion sieve plate can disperse the gas blown in from the air inlet and then contact the heat exchange tube to improve the conversion efficiency of cold air.

Preferably, the top of the cooling box body is provided with a feed inlet, the feed inlet is provided with a feed hopper, and the wall of the cooling box body is provided with a discharge port, and the material is placed in the area from A plurality of baffle slant plates are distributed alternately from top to bottom, the outer edges of the plurality of baffle slant plates are respectively connected with the two facing inner walls of the cooling box, and the plurality of baffle slant plates The free ends of the plates are respectively inclined downwards, and the free ends of the baffle swash plate at the bottom layer protrude from the discharge port, and both the partition plate and the baffle swash plate are made of porous fibers.

The effect of this scheme is that the sintered mixture particles can roll from top to bottom on the baffle swash plate under the action of gravity, realizing continuous large-scale freezing treatment. The freezing time in the box not only avoids the damage of sintered mixture particles caused by manual stirring process, but also prevents agglomeration caused by uneven stirring; the porous fiber can further make the cooling gas evenly distributed; in addition, by controlling the thickness of the porous fiber layer, The hole diameter and the number of holes can further control the cooling temperature in the box.

Preferably, the lower surface of the bottom plate of the cooling box is connected with a box swing mechanism, and the box swing mechanism includes a guide rail and a motor arranged horizontally, and the length direction of the guide rail is consistent with the moving direction of the material in the cooling box. The bottom plate of the cooling box body is provided with a slide block matched with the guide rail, the output shaft of the motor is provided with a crank, and a connecting rod is hinged between the crank and the slide block.

The effect of the scheme is that the sintered mixture particles can be automatically separated during the movement, and the agglomeration of the sintered mixture pellets can be further prevented.

Preferably, the detection sample delivery device includes a hopper (c1), the free end of the lowermost baffle swash plate (a8) is located above the hopper (c1), and the hopper is set close to the feeding port , the lower part of the hopper is horizontally provided with a particle blowing pipe, and the hopper and the particle blowing pipe are connected through a feed pipe, and the inner wall of the material particle blowing pipe is coated with a polytetrafluoroethylene coating, so The feed pipe is either perpendicular to the particle blowing pipe, or inclined to the inlet end of the particle blowing pipe, and one end of the particle blowing pipe is connected to a high-pressure air supply source, which includes an air compressor , the air compressor pipeline is connected with a high-pressure tank, the high-pressure tank communicates with the material particle blowing pipe, the material particle blowing pipe upstream of the feed pipe is provided with an air inlet solenoid valve, and the material particle blowing pipe The other end is provided with a pellet receiving cage.

The effect of this solution is that after the sample particles taken out enter the particle blowing pipe, the high-pressure gas provided by the high-pressure gas supply source can provide a strong air flow to promote the transportation of the sample particles in the particle blowing pipe, thereby directly blowing the material particles into the sample material in the pipe. The pellets are blown to the pellet receiving cage, which realizes the automatic sample feeding process of the sample pellets. The intake solenoid valve can adjust the flow rate of the high-pressure gas in the pellet blowing pipe. The PTFE coating has high chemical stability and corrosion resistance. , sealing, high lubricity and non-stickiness, electrical insulation and good anti-aging endurance.

Preferably, the particle receiving cage includes two fan-shaped mesh sheets facing each other, the two fan-shaped mesh sheets are vertically arranged, and the edges of the two fan-shaped mesh sheets are connected by a connecting screen. A blanking opening is opened on the connecting screen, and the blanking opening is located at the lowest position of the connecting screen, and the particle blowing pipe passes through the connecting screen from the apex of the fan-shaped mesh, thereby extending into The material pellets take on the cage.

Preferably, the screening device includes a screen box with an opening at the top of the screen box, and the discharge opening of the grain receiving cage (c4) is located above the top opening of the screen box (b1), and at least horizontally There are four screens, the edges of the four screens are fixedly connected to the inner wall of the screen box, the four screens are evenly distributed from top to bottom, and the screen holes of the four screens are from top to bottom It becomes smaller in turn, and a plurality of elastic supports are connected under the screen box, and a vibration motor is connected to the bottom of the screen box.

The effect of this scheme is that the sieve box separates the materials with different particle sizes sequentially from top to bottom.

Preferably, a feeding device is provided on either side of the screen box, and a feeding port corresponding to the feeding device is provided on the side wall of the screen box, and the feeding port is arranged on two adjacent Between the screens, the retrieving device includes an X-direction retrieving and pushing mechanism, and the X-directing retrieving and pushing mechanism and the elastic support are all arranged on the base, and the elastic support is a buffer spring. The two ends of the buffer spring are respectively fixedly connected with the lower surface of the screen box and the upper surface of the base, and the X-direction feeding and pushing mechanism is provided with a Z-direction feeding and lifting mechanism, and the Z-direction feeding and lifting The upper part of the mechanism is horizontally connected with a retrieving arm, and the retrieving arm is connected with a retrieving handle, and the retrieving handle enters the screen box from the retrieving port to take out material particles.

The effect of this scheme is that the position of the grab handle can be adjusted from the X-axis direction and the Z-axis direction according to the needs, so that the grab handle can be conveniently sent to the corresponding position in the screen box through the pick-up port to grab particles of different particle sizes. pellets.

Preferably, the fetching gripper includes a sampling spoon and a fetching cylinder, the top of the handle of the sampling spoon is hinged to the fetching arm, the fetching cylinder is fixedly connected to the lower surface of the fetching arm, the The piston rod of the material-taking cylinder is hinged to the handle of the sampling spoon, and the free end of the material-taking arm is vertically connected with a material-receiving blocking plate, and the spoon head of the sampling spoon faces the material-taking blocking plate, so The handle of the sampling spoon is made of metal, and the head of the sampling spoon is made of soft rubber.

The effect of this scheme is that the sampling spoon is sent to the material picking position, and the material picking cylinder drives the sampling spoon to scoop the material particles into the spoon, and the material picking plate can better prevent the material particles in the sampling spoon from falling during the transportation process .

Preferably, the X-direction feeding and pushing mechanism includes an X-direction slide rail and a screw motor, a guide slider is slidably installed on the X-direction slide rail, the screw rod of the screw motor motor protrudes in the X direction, and the screw rod The ball screw thread of the motor is threaded in the guide slider, and the guide slider is connected with a Z-direction material lifting mechanism;

The Z-direction feeding and lifting mechanism is a linear electric push rod arranged in the Z direction, the lower surface of the base of the linear electric push rod is fixedly connected with the upper surface of the guide slider, and the rod head of the linear electric push rod is connected to the The pick-up arm is fixedly connected.

The effect of this scheme is that the X-direction retrieving and pushing mechanism can push the Z-direction reclaiming lifting mechanism to move on the X-direction slide rail, thereby adjusting the retrieving position of the retrieving gripper in the X direction; the linear electric push rod set in the Z direction It can be used to adjust the height of the pick-up arm in the vertical direction, thereby adjusting the pick-up position of the pick-up gripper in the Z direction.

Beneficial effects: Compared with the prior art, the original particle size measurement system of the sintered mixture provided by the utility model realizes that during the freezing process of the sintered mixture particles, the obtained mixture does not need to be granulated, the particle size of the mixture is stable, and no manual stirring operation is required, which can Continuous feeding can realize the recycling of condensate; realize the continuous, automatic sampling and sending of mixed materials with different particle sizes separated during the sieving process, and improve the stability, uniformity and reliability of sampling , to avoid artificial unstable factors in the process of sample delivery, reduce labor intensity, improve the accuracy of analysis and detection, and effectively improve the accuracy of samples.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of cooling device a in Fig. 1;

Figure 3 is an enlarged view of A in Figure 1;

Fig. 4 is the right side view of detection sample feeding device c in Fig. 1;

Fig. 5 is A-A sectional view of Fig. 4;

Fig. 6 is a schematic structural view of the particle receiving cage c4 in Fig. 4 .

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1-6, a system for measuring the original particle size of a sintered mixture includes a cooling device a, a screening device b, a detection and sample delivery device c and a microscope, wherein the outlet of the cooling device a is connected to the detection and sample delivery The feed port of device c is connected, and the detection and sample delivery device c is located between the cooling device a and the screening device b, and the sintering mixture passes through the cooling device a, detection and sample delivery device c and screening device b in sequence , sent to the microscope for detection and observation;

The cooling device a includes a cooling box body a1, and a breathable partition a2 is horizontally arranged in the cooling box body a1, and the breathable partition a2 divides the cooling box body a1 into an upper material placement area and a lower part. In the heat exchange area, a spiral heat exchange tube a3 is arranged in the heat exchange area, and the inlet end and the outlet end of the spiral heat exchange tube a3 pass through the box wall of the cooling box body a1 respectively, and the cooling box body The bottom of a1 is provided with an air inlet a4, and a gas dispersing sieve a5 is arranged in the heat exchange area, and the gas dispersing sieve a5 is arranged between the air inlet a4 and the heat exchange tube a3; the cooling box The top of the casing a1 is provided with a feed inlet a6, the feed inlet a6 is provided with a feed hopper a13, the wall of the cooling box casing a1 is provided with a discharge outlet a7, and the material is placed in the area from A plurality of baffle slant plates a8 are staggeredly distributed from top to bottom, and the outer edges of the plurality of baffle slant plates a8 are respectively connected with the two facing inner walls of the cooling box body a1. The free ends of the baffle swash plate a8 are respectively inclined downwards, and the free ends of the baffle swash plate a8 in the lowermost layer stretch out from the discharge port a7, and the partition a2 and the baffle swash plate a8 are made of porous fiber; the lower surface of the bottom plate of the cooling box body a1 is connected with a box swing mechanism, and the box swing mechanism includes a horizontally arranged guide rail a9 and a motor, and the length direction of the guide rail a9 is in line with the inside of the cooling box box a1. The direction of material movement is consistent, the bottom plate of the cooling box a1 is provided with a slider a10 matched with the guide rail a9, the output shaft of the motor is provided with a crank a12, and the crank a12 and the slider a10 are hinged. connecting rod a11;

The screening device b includes a screen box b1 with an opening at the top of the screen box b1, the baffle plate a8 at the bottom layer is located above the top opening of the screen box b1, and at least four screens are horizontally arranged in the screen box b1 b2, the edges of the four screens b2 are fixedly connected to the inner wall of the screen box b1, the four screens b2 are evenly distributed from top to bottom, and the screen holes of the four screens b2 are from top to bottom become smaller in turn, the bottom of the screen box b1 is connected with a plurality of elastic supports b3, and the bottom of the screen box b1 is connected with a vibration motor b4;

One side of the sieve box b1 is provided with a high-precision electronic balance, a reclaiming device is provided on either side of the sieve box b1, and a retrieving device corresponding to the reclaiming device is provided on the side wall of the sieve box b1. port b11, the material intake port is set between two adjacent screens b2, the material retrieval device includes an X-direction material-feeding and pushing mechanism b5, and the X-direction material-feeding and pushing mechanism b5 and the elastic support Parts b3 are all arranged on the base b6, the elastic support part b3 is a buffer spring, and the two ends of the buffer spring are fixedly connected with the lower surface of the screen box b1 and the upper surface of the base b6 respectively, and the X A Z-direction retrieving lifting mechanism b7 is arranged on the retrieving and pushing mechanism b5, and a retrieving arm b8 is horizontally connected to the upper part of the Z-directing retrieving lifting mechanism b7, and a retrieving grip b9 is connected to the retrieving arm b8. The pick-up handle b9 enters the screen box b1 from the pick-up port b11 to take out material particles; the X-direction pick-up and push mechanism b5 includes an X-direction slide rail b51 and a screw motor, and the X-direction slide rail b51 A guide slider b52 is slidably installed on the top, the screw rod of the screw motor protrudes in the X direction, the ball screw thread of the screw motor is threaded in the guide slider b52, and the guide slider b52 is connected There is a Z-direction material lifting mechanism b7; the Z-direction material lifting mechanism b7 is a linear electric push rod arranged in the Z direction, the lower surface of the base of the linear electric push rod is fixedly connected with the upper surface of the guide slider b52, The rod head of the linear electric push rod is fixedly connected with the fetching arm b8.

As can be seen in Fig. 1 and Fig. 3, the material fetching gripper b9 includes a sampling scoop b91 and a fetching cylinder b92, the top of the handle of the sampling scoop b91 is hinged to the fetching arm b8, and the fetching cylinder b92 is connected to the fetching arm b8. The lower surface of the retrieving arm b8 is fixedly connected, the piston rod of the retrieving cylinder b92 is hinged to the handle of the sampling spoon b91, and the free end of the retrieving arm b8 is vertically connected with a retrieving blocking plate b10, the head of the sampling spoon b91 is facing the material-taking blocking plate b10, the handle of the sampling spoon b91 is made of metal, and the head of the sampling spoon b91 is made of soft rubber.

It can be seen from Fig. 1 and Fig. 4 that the detection and sample delivery device c includes at least one receiving hopper c1, which is arranged close to the material intake port b11, and a particle blowing pipe c2 is horizontally arranged below the receiving hopper c1 , the hopper c1 communicates with the particle blowing pipe c2 through a feed pipe c3, the inner wall of the particle blowing pipe c2 is coated with polytetrafluoroethylene, and the feed pipe c3 or the The material particle blowing pipe c2 is vertical, or inclined to the inlet end of the material particle blowing pipe c2, and one end of the material particle blowing pipe c2 is connected to a high-pressure air supply source, and the high-pressure air supply source includes an air compressor, and the air compressor The pipeline is connected with a high-pressure tank, and the high-pressure tank communicates with the material particle blowing pipe c2, and the material particle blowing pipe c2 upstream of the feed pipe c3 is provided with an air inlet solenoid valve c5, and the material particle blowing pipe c2 The other end is provided with material particle to undertake cage c4.

As shown in Fig. 5 and Fig. 6, the particle receiving cage c4 includes two fan-shaped mesh c41 facing to each other, the two fan-shaped mesh c41 are vertically arranged, and the edges of the two fan-shaped mesh c41 They are connected by a connecting screen c43, and a blanking opening is opened on the connecting screen c43, which is located at the lowest position of the connecting screen c43. The apex of the sheet c41 passes through the connecting screen c43, so as to extend into the grain receiving cage c4.

When working, lead the condensate into the heat exchange tube a3, let the gas flow through the air inlet a4, lower the temperature in the cooling box a1 to the required freezing temperature, start the motor, and pass the sintered mixture particles through the feed hopper a13 Pour it into the cooling box a1, under the action of the box swing mechanism and gravity, the rapidly frozen sintered mixture particles slide from top to bottom on the baffle plate a8, and finally the frozen sintered mixture particles are discharged from the Port a7 is poured into the screen box b1, and the vibration motor b4 is started. Under the vibration of the vibration motor b4, the mixed material particles with different particle sizes are separated on different screens from top to bottom, and then the Z-direction material lifting mechanism is started. b7, raise the pick-up handle b9 to the required height, then start the screw motor, push the guide slider b52 to slide in the X-direction slide rail b51, so as to move the pick-up handle b9 to the corresponding screen box b1 At the material retrieving place, start the retrieving cylinder b92, which drives the sampling spoon b91 to move, and then scoops up the required material and presses it against the retrieving stop plate b10. Finally, start the screw motor to grab the reclaimed material. Hand b9 removes the sieve box b1 and puts the sample material into the hopper c1, the sample material enters the material blowing pipe c2 through the receiving hopper c1, and the high-pressure gas supply source sends the high-pressure gas into the material blowing pipe c2, through The intake solenoid valve c5 adjusts the flow of the air flow, and the sample material particles move forward with the air flow in the material particle blowing pipe c2 until they enter the material particle receiving cage c4, fall through the discharge port of the material particle receiving cage c4, and collect stand up.

Finally, it needs to be explained that the above description is only a preferred embodiment of the utility model. Under the inspiration of the utility model, those skilled in the art can make a variety of similar implementations without violating the purpose and claims of the utility model. It means that such transformations all fall within the protection scope of the present utility model.

Claims (10)

1. A kind of 1. sinter mixture original particle size measurement system, it is characterised in that：Including cooling device (a), detection sample conveying device (c) discharging opening of, screening plant (b) and microscope, wherein cooling device (a) and the charging aperture of the detection sample conveying device (c) Connection, the detection sample conveying device (c) is between the cooling device (a) and the screening plant (b)；

   Sinter mixture through apparatus for supercooling (a), detection sample conveying device (c) and screening plant (b), delivers to the microscope successively Carry out detection observation.
2. 2. sinter mixture original particle size measurement system according to claim 1, it is characterised in that：The cooling device (a) cooling box body (a1) is included, level is provided with breathable membrane (a2) in the cooling box body (a1), and the breathable membrane (a2) will The cooling box body (a1) is separated into the material rest area and the heat transfer zone of bottom on top, is changed in the heat transfer zone provided with spiral Heat pipe (a3), the entrance point and the port of export of the spiral heat exchange tube (a3) pass the tank wall of the cooling box body (a1), institute respectively The bottom for stating cooling box body (a1) is provided with air inlet (a4), and being provided with gas in the heat transfer zone disperses sieve plate (a5), the gas Scattered sieve plate (a5) is arranged between the air inlet (a4) and the heat exchanger tube (a3).
3. 3. sinter mixture original particle size measurement system according to claim 2, it is characterised in that：The cooling box body (a1) top is provided with charging aperture (a6), and the charging aperture (a6) is provided with feed hopper (a13), the cooling box body (a1) Tank wall is provided with discharging opening (a7), and be interspersed multiple baffling swash plates (a8) successively from top to bottom in the material rest area, multiple Cabinet wall of the outer ledge of the baffling swash plate (a8) respectively with two faces of the cooling box body (a1) is connected, more The free end of the individual baffling swash plate (a8) tilts separately down, described in the free end stretching of baffling swash plate (a8) described in orlop Discharging opening (a7), the dividing plate (a2) and the baffling swash plate (a8) are made by porous fibre.
4. 4. sinter mixture original particle size measurement system according to claim 3, it is characterised in that：The cooling box body (a1) lower surface of bottom plate is connected with casing swing mechanism, and the casing swing mechanism includes horizontally disposed guide rail (a9) and electricity Machine, the length direction of the guide rail (a9) is consistent with the interior material movement direction of cooling box body (a1), the cooling box body (a1) bottom plate is provided with the sliding block (a10) being engaged with the guide rail (a9), and the output shaft of the motor is provided with crank (a12), Connecting rod (a11) is hinged between the crank (a12) and sliding block (a10).
5. 5. sinter mixture original particle size measurement system according to claim 3, it is characterised in that：The detection sample presentation dress Putting (c) includes receiving hopper (c1), and the free end of baffling swash plate (a8) described in orlop is located at the top of the receiving hopper (c1), connect Hopper (c1) is set close to material taking mouth (b11), and the lower horizontal of the receiving hopper (c1) is provided with material grain blower pipe (c2), described to connect Hopper (c1) is connected with the material grain blower pipe (c2) by feed pipe (c3), is scribbled on the inwall of the material grain blower pipe (c2) Polytetrafluorethylecoatings coatings, the feed pipe (c3) or vertical with the material grain blower pipe (c2), or to the material grain blower pipe (c2) inlet end tilts, and one end connection high pressure gas source of supply of the material grain blower pipe (c2), high pressure gas source of supply includes sky Press, the air compressor machine pipeline are connected with pressure pan, and the pressure pan connects with the material grain blower pipe (c2), the feed pipe (c3) The material grain blower pipe (c2) of upstream is provided with air inlet electromagnetic valve (c5), and the other end of the material grain blower pipe (c2) is provided with material Grain accepts cage (c4).
6. 6. sinter mixture original particle size measurement system according to claim 5, it is characterised in that：The material grain accepts cage (c4) the fan-shaped mesh sheet (c41) that two faces are set is included, two fan-shaped mesh sheet (c41) are vertically arranged, two fans Connected between the edge of shape mesh sheet (c41) by connecting screen cloth (c43), blanking port is offered on the connection screen cloth (c43), should Blanking port is positioned at the lowest part position of the connection screen cloth (c43), and the material grain blower pipe (c2) is from the fan-shaped mesh sheet (c41) Vertex position through the connection screen cloth (c43), accept cage (c4) so as to stretch into the material grain.
7. 7. the sinter mixture original particle size measurement system according to claim 5 or 6, it is characterised in that：The screening dress Putting (b) includes screen box (b1), screen box (b1) open top, and the blanking port that the material grain accepts cage (c4) is located at the screen box (b1) it is at least horizontal in the screen box (b1) to be provided with four screen clothes (b2), the edge of four screen clothes (b2) above open top It is fixedly connected with the inwall of the screen box (b1), four screen clothes (b2) are uniformly distributed from top to bottom, four screen clothes (b2) sieve aperture diminishes successively from top to bottom, and multiple elastic supporting member for supporting optical member (b3), the screen box are connected with below the screen box (b1) (b1) bottom is connected with vibrating motor (b4).
8. 8. sinter mixture original particle size measurement system according to claim 7, it is characterised in that：At the screen box (b1) Either side is provided with feeding device, and material taking mouth (b11) corresponding with the feeding device, institute are provided with the side wall of the screen box (b1) State material taking mouth to be arranged between the two neighboring screen cloth (b2), the feeding device includes X to feeding delivery device (b5), institute State X to be each provided on base (b6) to feeding delivery device (b5) and the elastic supporting member for supporting optical member (b3), the elastic supporting member for supporting optical member (b3) For buffer spring, the both ends of the buffer spring respectively with the lower surface of the screen box (b1) and the upper surface of the base (b6) It is fixedly connected, the X is provided with Z-direction feeding elevating mechanism (b7), the Z-direction feeding elevating mechanism to feeding delivery device (b5) (b7) upper level is connected with arm for taking material (b8), is connected with feeding handgrip (b9) on the arm for taking material (b8), the feeding handgrip (b9) enter from the material taking mouth (b11) in the screen box (b1) and take out material grain.
9. 9. sinter mixture original particle size measurement system according to claim 8, it is characterised in that：The feeding handgrip (b9) include sample spoon (b91) and feeding cylinder (b92), cut with scissors at the top of the kettleholder of the sample spoon (b91) with the arm for taking material (b8) Connect, the feeding cylinder (b92) is fixedly connected with the lower surface of the arm for taking material (b8), the piston rod of the feeding cylinder (b92) It is hinged with the kettleholder of the sample spoon (b91), the free end of the arm for taking material (b8) is connected with feeding gear fishplate bar (b10) vertically, For the spoon head of the sample spoon (b91) towards feeding gear fishplate bar (b10), the kettleholder of the sample spoon (b91) is metal material, is taken The spoon head of sample spoon (b91) is flexible glue material.
10. 10. sinter mixture original particle size measurement system according to claim 8 or claim 9, it is characterised in that：The X is to taking Expect that delivery device (b5) includes X to slide rail (b51) and lead screw motor, the X is to being slidably fitted with guide runner on slide rail (b51) (b52), the screw mandrel X of the lead screw motor is located in the guide runner to stretching, the ball screw screw thread of the lead screw motor (b52) in, Z-direction feeding elevating mechanism (b7) is connected with the guide runner (b52)；

    The Linear motor-driven push rod that the Z-direction feeding elevating mechanism (b7) is set for Z-direction, the base lower surface of the Linear motor-driven push rod It is fixedly connected with the upper surface of the guide runner (b52), the head of the Linear motor-driven push rod is fixed with the arm for taking material (b8) Connection.