CN218012574U - Automatic batching machine for fire assaying method - Google Patents

Abstract

The utility model discloses an automatic proportioning machine for fire assaying method, which comprises a frame, the frame is connected with a plurality of feeding boxes and a plurality of batching box, the batching box is equipped with feeding hopper and play hopper, be equipped with weighing device between feeding hopper and the play hopper, weighing device includes the limiting plate, first bull stick, the second bull stick, the third bull stick, first motor, first baffle and second baffle all with limiting plate sliding connection, first bull stick fixedly connected with horizontal pole, the horizontal pole rotates with the limiting plate center to be connected, first baffle has set firmly first arch, second bull stick both ends rotate with first arch and third bull stick respectively to be connected, the third bull stick is connected with first motor output shaft, a plurality of through-holes have been seted up to the one end that first baffle deviates from first motor, feeding box and play hopper lower extreme fixed connection. This application has the weighing error that reduces reagent, improves the effect of measuring result's accuracy.

Description

Automatic batching machine for fire assaying method

Technical Field

The utility model belongs to the technical field of proportioning machine and specifically relates to an automatic proportioning machine for fire assaying method is related to.

Background

The pyrometallurgical method is a method for measuring the content of noble metals such as gold and silver in a sample, and is an important means for measuring the content of gold and silver, when the pyrometallurgical method is used for measuring, various reagents are required to be matched, including a reducing agent, an oxidizing agent, a desulfurizing agent, a trapping agent and the like, and various reagents need to be accurately weighed so as to play the greatest role in subsequent chemical reactions, so that the measuring result is accurate, the weighing of the reagents needs to be accurate as much as possible, the error is reduced, and the subsequent reactions are ensured to be smoothly carried out.

The Chinese patent with the reference publication number CN210021777U discloses an automatic batching machine in the technical field of batching equipment. This automatic proportioning machine, including the PLC controller, compounding device and a plurality of material feeding unit, the compounding device includes the mixing hopper, parallel arrangement has feeding tube and unloading pipe in the mixing hopper, the feeding tube sets up in the mixing hopper center, unloading pipe upper end and feeding tube upper end intercommunication, leave the clearance between unloading pipe lower extreme and the mixing hopper, the mixing hopper lateral wall is provided with the discharge gate, material feeding unit includes the feed bin, conveying tube and inlet pipe, the one end and the feed bin bottom intercommunication of conveying tube, the other end and the inlet pipe upper end intercommunication of conveying tube, the inlet pipe lower extreme is provided with the electronic scale, the electronic scale bottom is provided with turns over the board gate, it articulates in the inlet pipe lateral wall to turn over the board gate, the inlet pipe lower extreme is located the mixing hopper top, electronic scale and PLC controller electric connection transmit weight information for the PLC controller. The automatic batching machine is high in automation degree, high in material proportioning precision and high in working efficiency.

According to the related technology, materials are conveyed through the first flood dragon and the second flood dragon, and when the materials fall onto the flap gate from the first flood dragon and the second flood dragon, the materials are easily larger than actually required weighing values, so that measuring results are caused to have errors, and the measuring results are influenced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the weighing error of reagent, improve measuring result's accuracy, this application provides an automatic blending machine for fire assay gold method.

The application provides an automatic batching machine for fire assaying method adopts following technical scheme:

the utility model provides an automatic blending machine for fire assaying method, includes the frame, its characterized in that: the frame is connected with a plurality of feeding boxes and a plurality of batching box, the batching box is equipped with feeding hopper and play hopper, be equipped with weighing device between feeding hopper and the play hopper, weighing device includes the limiting plate, first bull stick, the second bull stick, the third bull stick, first motor, first baffle and second baffle, limiting plate and first motor all with frame fixed connection, the first recess with first baffle looks adaptation is seted up to the limiting plate up end, the terminal surface sets firmly the first sand grip with first recess looks adaptation under the first baffle, the second recess with second baffle looks adaptation is seted up to the limiting plate down end, second baffle up end sets firmly the second sand grip with second recess looks adaptation, first bull stick fixedly connected with horizontal pole, the horizontal pole rotates with the limiting plate center to be connected, first logical groove and second logical groove have been seted up respectively to first bull stick both ends, first baffle sets firmly the first arch that is located first logical groove, the second baffle sets firmly the second arch that is located the second logical groove, the second bull stick both ends rotate with first arch and third bull stick to be connected respectively, the third bull stick and the first output shaft of connecting hopper and the lower extreme of the connection of the first baffle and the slip hopper, the end of connection of the motor is seted up the opening under the first baffle and the first baffle, the slip hopper, the lower extreme of connection of baffle and the connection of the discharge hopper, the motor is seted up the opening of the first baffle.

By adopting the technical scheme, the third rotating rod is driven to rotate by the first motor, the third rotating rod drives the first rotating rod and the second rotating rod to rotate, the first baffle and the second baffle move in a staggered mode, so that the reagent enters the discharge hopper through the through hole and falls on the upper end face of the second baffle, the second baffle can weigh the reagent falling on the second baffle, when the reagent falls on the second baffle and reaches the required weight, the first motor drives the first baffle to move, the upper end of the discharge hopper is blocked, the reagent stops falling, meanwhile, the second baffle moves towards the direction close to the third rotating rod, the reagent falls into the feeding box from top to bottom from the second baffle, the plurality of batching devices are mutually independent, different types of reagents can be weighed simultaneously, mutual pollution of the reagents is avoided, the purity of various reagents is ensured, and the accuracy of weighing results is improved.

Optionally, the first baffle is provided with a placing cavity communicated with the through hole, and a filter screen is connected in the placing cavity in a sliding manner.

Through adopting above-mentioned technical scheme, the filter screen can make the powdered reagent a small amount of slow through the hole entering play hopper on the filter screen, guaranteed accuracy and the accuracy that the reagent weighed.

Optionally, the output end of the first motor is fixedly connected with a cam, the outer wall of the feeding hopper is connected with a supporting block, the supporting block is fixedly connected with a spring, one end of the spring, which deviates from the supporting block, is fixedly connected with a knocking rod, one end of the knocking rod is matched with the cam, and the other end of the knocking rod penetrates through the supporting block and is connected with the supporting block in a sliding manner.

Through adopting above-mentioned technical scheme, first motor drives the cam and rotates, and cam intermittent type is contradicted with the pole of strikeing, makes the spring compression, strikes the pole and strikes the hopper outer wall, makes the hopper vibration, drives first baffle simultaneously and vibrates together, makes falling down from the filter screen that reagent can be smooth, is favorable to ensureing that reagent falls from first baffle, and then is favorable to reducing the weighing error of reagent, improves measuring result's accuracy.

Optionally, one end of the discharge hopper, which is away from the first motor, is hinged with a rotating plate, and the rotating plate is matched with the second opening.

Through adopting above-mentioned technical scheme, change the board and be convenient for reduce the reagent and follow the spilling in the second opening, change the board simultaneously and can rotate, guaranteed the normal removal of second baffle.

Optionally, the replacement mouth has been seted up to the one end that first baffle deviates from the limiting plate, and the replacement mouth is linked together with placing the chamber, and the one end that first baffle is close to the replacement mouth articulates there is the separation blade, the separation blade other end and first baffle joint.

Through adopting above-mentioned technical scheme, operating personnel accessible replacement mouth places not unidimensional filter screen to first baffle inside, leads to the not equidimension in filter screen hole, adjusts the speed that different reagents fell to improve the precision that reagent weighed.

Optionally, a discharge pipe is arranged at the lower end of the feeding box, the frame is fixedly connected with a mixing hopper, and the lower end of the discharge pipe corresponds to the mixing hopper.

Through adopting above-mentioned technical scheme, it is corresponding with the discharging pipe lower extreme to mix to be convenient for gather the reagent in a plurality of batch charging boxes and mix in the mixing hopper.

Optionally, the lower tip of mixing hopper is equipped with and connects the workbin, connects the workbin outer wall to set firmly the second motor, and second motor output shaft fixedly connected with stirring rod, stirring rod and connect the workbin to rotate and be connected.

Through adopting above-mentioned technical scheme, the mixing hopper with throw the material box joint, be convenient for collect the processing to the reagent after mixing, the stirring rod can stir the reagent after mixing simultaneously, guarantees the misce bene of reagent, make going on that subsequent reaction can be good smoothly.

Optionally, the outer wall of the discharge hopper is fixedly connected with a receiving box, the receiving box is located below the first baffle, and the receiving box is fixedly connected with the discharge hopper.

Through adopting above-mentioned technical scheme, accept the case and be convenient for accept a small amount of reagent of first baffle and filter screen whereabouts, prevent that this part reagent from directly getting into mixing hopper, influence the ratio of mixing reagent, be convenient for simultaneously reduce reagent and run off save material.

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

1. the third rotating rod is driven to rotate by the first motor, the first rotating rod and the second rotating rod are driven to rotate by the third rotating rod, the first baffle and the second baffle move in a staggered mode, so that reagents enter the discharging hopper through the through holes and fall on the upper end face of the second baffle, the second baffle can weigh the reagents falling on the second baffle, when the reagents fall on the second baffle to reach required weight, the first motor drives the first baffle to move, the upper end portion of the discharging hopper is blocked, the reagents stop falling, meanwhile, the second baffle moves towards the direction close to the third rotating rod, the reagents fall into the feeding box from the second baffle up and down, the plurality of batching devices are independent, different types of reagents can be weighed simultaneously, mutual pollution of the reagents is avoided, the purity of various reagents is guaranteed, and the accuracy of weighing results is improved;

2. the first motor drives the cam to rotate, the cam intermittently abuts against the knocking rod to compress the spring, the knocking rod impacts the outer wall of the feeding hopper to vibrate the feeding hopper and simultaneously drives the first baffle plate to vibrate together, so that the reagent can smoothly fall from the filter screen, the reagent can be ensured to fall from the first baffle plate, the weighing error of the reagent can be reduced, and the accuracy of a measuring result can be improved;

3. accept the case and be convenient for accept a small amount of reagent of first baffle and filter screen whereabouts, prevent that this part reagent from directly getting into the mixing hopper, influence the ratio of mixing reagent, be convenient for simultaneously reduce reagent and run off save material.

Drawings

Fig. 1 is a schematic view of the overall structure of an automatic dispensing machine for a fire-assaying method.

Fig. 2 is intended to highlight the construction of the weighing device.

Fig. 3 is an exploded view of the first baffle and screen.

Figure 4 is a schematic view of the overall construction of the batching box.

Fig. 5 is an enlarged schematic view of a portion a in fig. 1.

Fig. 6 is a schematic diagram of the structure of the material receiving box.

Description of reference numerals: 1. a frame; 2. a feeding box; 3. a batching box; 31. a feeding hopper; 311. a support block; 312. a spring; 313. a tapping rod; 32. a discharge hopper; 321. a first opening; 322. a second opening; 323. rotating the plate; 33. a weighing device; 34. a limiting plate; 341. a first groove; 342. a second groove; 35. a first rotating lever; 351. a first through groove; 352. a second through groove; 36. a second rotating rod; 37. a third rotating rod; 38. a first baffle; 381. a first rib; 382. a first protrusion; 383. a through hole; 384. a placement chamber; 385. filtering with a screen; 386. a replacement port; 387. a baffle plate; 39. a second baffle; 391. a second convex strip; 392. a second protrusion; 393. a cross bar; 4. a first motor; 41. a cam; 5. a discharge pipe; 6. a mixing hopper; 7. a material receiving box; 71. a second motor; 72. a stirring rod; 8. a receiving box.

Detailed Description

The present application is described in further detail below with reference to all of the figures.

The embodiment of the application discloses an automatic batching machine for a fire assaying method.

Examples

Referring to fig. 1 and 2, an automatic batching machine for fire assaying method, including frame 1, frame 1 is connected with a plurality of batch charging boxes 2 and a plurality of batch charging box 3, and batch charging box 3 is equipped with hopper 31 and play hopper 32, is equipped with weighing device 33 between hopper 31 and the play hopper 32, and during operating personnel added a large amount of reagents into hopper 31, automatic batching machine work, reagent can weigh via weighing device 33, roll-off in the play hopper 32.

Referring to fig. 1 and 2, weighing device 33 includes limiting plate 34, first baffle 38 and second baffle 39, first recess 341 with first baffle 38 looks adaptation is seted up to limiting plate 34 up end, first baffle 38 lower terminal surface sets firmly first sand grip 381 with first recess 341 looks adaptation, first sand grip 381 is arranged in first recess 341 and slides, second recess 342 with second baffle 39 looks adaptation is seted up to limiting plate 34 lower terminal surface, second baffle 39 upper end sets firmly the second sand grip 391 with second recess 342 looks adaptation, second sand grip 391 is arranged in second recess 342 and slides, limiting plate 34 and frame 1 fixed connection, limiting plate 34 plays limiting displacement to first baffle 38 and second baffle 39.

Referring to fig. 2 and 3, a plurality of through holes 383 are opened at one end of the first baffle 38 away from the first motor 4, a placing cavity 384 communicated with the through holes 383 is opened at the first baffle 38, a filter screen 385 is slidably connected in the placing cavity 384, a replacing port 386 is opened at one end of the first baffle 38 away from the limiting plate 34, and the replacing port 386 is communicated with the placing cavity 384. Frame 1 (fig. 1) one side is equipped with the opening, and before using the proportioning machine, opens the opening, places suitable filter screen 385 of aperture through replacement mouth 386 to placing the chamber 384, and the one end that first baffle 38 is close to replacement mouth 386 articulates there is separation blade 387, and the other end of separation blade 387 and first baffle 38 joint.

Referring to fig. 2 and 3, the blocking piece 387 is rotated to open the replacing port 386, the filter screen 385 is taken out, a new filter screen 385 is replaced, the blocking piece 387 is rotated to enable the blocking piece 387 to be clamped with the first blocking plate 38 to close the replacing port 386, the flow rate of the reagent passing through the filter screen 385 is controlled through the size of the pore, the reagent is enabled to slowly enter the discharging hopper 32 through the pore on the filter screen 385 in a small amount, and the weighing accuracy and precision of the reagent are ensured.

Referring to fig. 2 and 4, the weighing apparatus 33 further includes a first rotating rod 35, a second rotating rod 36, a third rotating rod 37, a first motor 4, the third rotating rod 37 is connected to the first motor 4, the first motor 4 is fixedly connected to the rack 1 (fig. 1), the first rotating rod 35 is fixedly connected to a cross rod 393, the cross rod 393 is rotatably connected to the center of the limiting plate 34, the first baffle 38 is fixedly provided with a first protrusion 382, and two ends of the second rotating rod 36 are rotatably connected to the first protrusion 382 and the third rotating rod 37 respectively. After the automatic dosing machine is started, the reagent falls on the upper end face of the first baffle 38, the first motor 4 works, the third rotating rod 37 rotates, the first through groove 351 and the second through groove 352 are respectively formed in two ends of the first rotating rod 35, and the first protrusion 382 is matched with the first through groove 351, so that the second rotating rod 36 drives the first protrusion 382 to move along the length direction of the first through groove 351.

Referring to fig. 2 and 4, the second rotating rod 36 pushes the first protrusion 382 to move along the first through groove 351 toward an end away from the first motor 4, so that the first rotating rod 35 rotates clockwise. The discharge hopper 32 is provided with a first opening 321 slidably connected to the first baffle 38, the first protrusion 382 is fixedly connected to the first baffle 38, and the first protrusion 381 is located in the first groove 341, so that the first baffle 38 slides toward one end close to the first motor 4 along the first groove 341 and the first opening 321.

Referring to fig. 2 and 4, the second baffle 39 is fixedly provided with a second protrusion 392 adapted to the second through groove 352, at this time, the second protrusion 392 is located in the second through groove 352 and slides to drive the second baffle 39 to slide toward the end close to the feeding hopper 31, the discharging hopper 32 is provided with a second opening 322 slidably connected to the second baffle 39, one end of the discharging hopper 32 away from the first motor 4 is hinged with a rotating plate 323, the rotating plate 323 is adapted to the second opening 322, the second baffle 39 moves to abut against the rotating plate 323, the second baffle 39 continues to move, the rotating plate 323 rotates, the second baffle 39 passes through the second opening 322, and the lower end of the discharging hopper 32 is closed.

Referring to fig. 4 and 5, at this time, the through hole 383 on the first baffle 38 abuts against the lower end of the feeding hopper 31, the output end of the first motor 4 is fixedly connected with the cam 41, the outer wall of the feeding hopper 31 is connected with the supporting block 311, the supporting block 311 is fixedly connected with the spring 312, one end of the spring 312, which is far away from the supporting block 311, is fixedly connected with the knocking rod 313, one end of the knocking rod 313 is matched with the cam 41, and the other end of the knocking rod 313 penetrates through the supporting block 311 and is connected with the supporting block 311 in a sliding manner. The cam 41 rotates, the cam 41 intermittently collides with the knocking rod 313 to compress the spring 312, one end of the knocking rod 313, which is close to the feeding hopper 31, knocks the feeding hopper 31, the cam 41 continuously rotates, the knocking rod 313 is not pressed any more, the spring 312 recovers, and one end of the knocking rod 313, which is close to the feeding hopper 31, is separated from the outer wall of the feeding hopper 31. The striking rod 313 can strike the outer wall of the feeding hopper 31 continuously, so that the feeding hopper 31 vibrates, and the first baffle 38 is driven to vibrate together, so that the reagent can fall off from the first baffle 38 smoothly.

Referring to fig. 2, the second baffle 39 is provided with a pressure sensor, which is a device or apparatus capable of sensing a pressure signal and converting the pressure signal into a usable output electrical signal according to a certain rule, and the pressure sensor is generally composed of a pressure sensitive element and a signal processing unit.

Referring to fig. 2 and 4, when the weight of the reagent on the second blocking plate 39 reaches the required weight, the first motor 4 operates, the third rotating rod 37 rotates, so that the second rotating rod 36 drives the first protrusion 382 to move along the length direction of the first through groove 351, the first protrusion 382 is pushed to move towards one end close to the first motor 4, the first rotating rod 35 rotates anticlockwise, the first blocking plate 38 slides towards one end away from the first motor 4 along the first groove 341, and the upper end of the discharge hopper 32 is sealed by the first blocking plate 38, so that the reagent is prevented from further falling.

Referring to fig. 2 and 4, at the same time, the second protrusion 392 slides in the second through groove 352 to drive the second baffle 39 to slide towards the end far away from the feeding hopper 31, the rotating plate 323 falls to close the second opening 322, so as to prevent the reagent from flying out of the second opening 322, thereby avoiding the weight of the weighed reagent from being reduced, and at the same time, the reagent is blocked by the inner wall of the discharging hopper 32, scraped from the upper end face of the second baffle 39, and slid out from the lower end of the discharging hopper 32, so as to ensure that the weighed reagent completely slides out from the lower end of the discharging hopper 32.

Referring to fig. 1 and 2, throw material box 2 and go out hopper 32 lower extreme fixed connection, after reagent got into throw material box 2, throw material box 2 lower extreme and be equipped with discharging pipe 5, frame 1 fixed connection has mixing hopper 6, and discharging pipe 5 lower extreme all corresponds with mixing hopper 6, and the reagent slides out from discharging pipe 5, gets into mixing hopper 6. The lower end of the mixing hopper 6 is provided with a material receiving box 7, and reagents weighed by a plurality of batching devices enter the mixing hopper 6 and then slide out from the lower end of the mixing hopper 6 to enter the material receiving box 7.

Referring to fig. 1 and 6, a second motor 71 is fixedly arranged on the outer wall of the material receiving box 7, an output shaft of the second motor 71 is fixedly connected with a stirring rod 72, the stirring rod 72 is rotatably connected with the material receiving box 7, the second motor 71 works to drive the stirring rod 72 to rotate, so that various reagent powders in the material receiving box 7 are fully mixed together, an operator separates the material receiving box 7 from the mixing hopper 6, and reagents in the material receiving box 7 are reagents required by a subsequent fire-assaying process furnace.

Referring to fig. 1 and 3, the rack 1 is fixedly connected with the receiving box 8, the receiving box 8 is located below the second baffle 39, the receiving box 8 is fixedly connected with the discharging hopper 32, when the second baffle 39 moves to make the reagent fall from the discharging hopper 32, the filter screen 385 of the first baffle 38 is separated from the discharging hopper 32 along with the movement of the first baffle 38, and the filter screen 385 may carry part of the reagent. Bearing box 8 stops the reagent that falls in filter screen 385 when this, avoids reagent direct entering to mix and fights 6 in, and the mixed reagent ratio that leads to finally obtaining appears the error, and behind the batching machine stop work, operating personnel can open the opening in the frame 1, clears up bearing box 8.

The implementation principle of the automatic batching machine for the fire assaying method in the embodiment of the application is as follows: the first rotating rod 35, the second rotating rod 36 and the third rotating rod 37 are matched with each other to rotate through the operation of the first motor 4 in the weighing device 33, when a reagent falls from a through hole 383 on the first baffle plate 38, the second baffle plate 39 seals the lower end part of the discharge hopper 32 to weigh the reagent, when the weight of the reagent reaches the required weight, the first motor 4 operates, the upper end part of the discharge hopper 32 is sealed by the first baffle plate 38, the second baffle plate 39 moves to push the reagent from the upper end surface of the second baffle plate 39, the reagent falls from the lower end of the discharge hopper 32 and enters the feeding box 2, the speed of the reagent falling into the discharge hopper 32 can be controlled by a filter screen 385 in the first baffle plate 38, the reagent can slowly and stably fall down, the weighing error of the reagent is reduced, the weighing result accuracy is improved, the reagent falling onto the upper end surface of the second baffle plate 39 can be weighed by the second baffle plate 39, the reagent weighed by each batching box 3 enters the receiving box 7 through the mixing hopper 6 to be fully mixed, and the subsequent chemical reaction of a fire testing method can be conveniently carried out.

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

Claims (8)

1. The utility model provides an automatic blending machine for fire assaying method, includes frame (1), its characterized in that: the automatic feeding device is characterized in that the rack (1) is connected with a plurality of feeding boxes (2) and a plurality of distributing boxes (3), each distributing box (3) is provided with a feeding hopper (31) and a discharging hopper (32), a weighing device (33) is arranged between each feeding hopper (31) and each discharging hopper (32), each weighing device (33) comprises a limiting plate (34), a first rotating rod (35), a second rotating rod (36), a third rotating rod (37), a first motor (4), a first baffle plate (38) and a second baffle plate (39), the limiting plates (34) and the first motor (4) are fixedly connected with the rack (1), the upper end face of each limiting plate (34) is provided with a first groove (341) matched with the first baffle plate (38), the lower end face of each first baffle plate (38) is fixedly provided with a first raised strip (381) matched with the first groove (341), the lower end face of each limiting plate (34) is provided with a second groove (342) matched with the second baffle plate (39), the upper end face of each second baffle plate (39) is fixedly provided with a second raised strip (391) matched with the second raised strip (351), the first rotating rod (393) and the central transverse rod (393) and the first transverse rod (35) are connected with the first rotating rod (393), first baffle (38) set firmly first arch (382) that are located first logical groove (351), second baffle (39) set firmly second arch (392) that are located second logical groove (352), second bull stick (36) both ends rotate with first arch (382) and third bull stick (37) respectively and are connected, third bull stick (37) and first motor (4) output shaft, go out hopper (32) upper end and offer first opening (321) with first baffle (38) sliding connection, go out hopper (32) lower extreme and offer second opening (322) with second baffle (39) sliding connection, a plurality of through-holes (383) have been seted up to the one end that first baffle (38) deviate from first motor (4), throw material box (2) and go out hopper (32) lower extreme fixed connection.

2. The automatic dispensing machine for the fire-assaying method according to claim 1, characterized in that: the first baffle (38) is provided with a placing cavity (384) communicated with the through hole (383), and a filter screen (385) is connected in the placing cavity (384) in a sliding mode.

3. The automatic batching machine for the fire assaying method according to claim 1, characterized in that: the feeding device is characterized in that a cam (41) is fixedly connected to the output end of the first motor (4), a supporting block (311) is connected to the outer wall of the feeding hopper (31), a spring (312) is fixedly connected to the supporting block (311), one end, deviating from the supporting block (311), of the spring (312) is fixedly connected to a knocking rod (313), one end of the knocking rod (313) is matched with the cam (41), and the other end of the knocking rod (313) penetrates through the supporting block (311) and is in sliding connection with the supporting block (311).

4. The automatic batching machine for the fire assaying method according to claim 1, characterized in that: one end of the discharge hopper (32) departing from the first motor (4) is hinged with a rotating plate (323), and the rotating plate (323) is matched with the second opening (322).

5. The automatic batching machine for the fire assaying method according to claim 2, characterized in that: first baffle (38) deviate from the one end of limiting plate (34) and seted up replacement mouth (386), replacement mouth (386) with place chamber (384) and be linked together, first baffle (38) are close to the one end of replacement mouth (386) and articulate there is separation blade (387), separation blade (387) other end and first baffle (38) joint.

6. The automatic batching machine for the fire assaying method according to claim 1, characterized in that: the lower end of the feeding box (2) is provided with a discharging pipe (5), the frame (1) is fixedly connected with a mixing hopper (6), and the lower end part of the discharging pipe (5) corresponds to the mixing hopper (6).

7. The automatic batching machine for the fire assaying method according to claim 6, characterized in that: the lower tip of mixing hopper (6) is equipped with and connects workbin (7), connects workbin (7) outer wall to set firmly second motor (71), and second motor (71) output shaft fixedly connected with stirring rod (72), stirring rod (72) with connect workbin (7) to rotate and be connected.

8. The automatic batching machine for the fire assaying method according to claim 1, characterized in that: go out hopper (32) outer wall fixedly connected with and accept case (8), accept case (8) and be located first baffle (38) below, accept case (8) and go out hopper (32) fixed connection.

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