CN108191984B

CN108191984B - Air flow crusher

Info

Publication number: CN108191984B
Application number: CN201810021743.5A
Authority: CN
Inventors: 林晓丽
Original assignee: Taizhou Yixiang Technology Information Technology Co Ltd
Current assignee: Hubei Yuchuan New Material Technology Co.,Ltd.
Priority date: 2016-08-16
Filing date: 2016-08-16
Publication date: 2020-11-06
Anticipated expiration: 2036-08-16
Also published as: CN108047339A; CN108129577A; CN108047339B; CN108129577B; CN106262776A; CN108191984A

Abstract

The invention provides a jet mill. The method solves the technical problems of long preparation time, high production cost and the like of the traditional crushing method adopted in the existing preparation method. This fluid energy mill, which comprises a frame, loading attachment, mixing arrangement, reducing mechanism and packing apparatus have set gradually in the frame, loading attachment includes feeding tube, storage tank and the locating support who is used for fixing a position the raw materials bag, locating support and storage tank all set up in the frame, the storage tank lower extreme has first delivery outlet, be provided with first solenoid valve in the first delivery outlet, the storage tank upper end has first feed inlet, first feed inlet and feeding tube one end are linked together, the feeding tube other end is located the locating support top, and this end has guide portion, be provided with a moving mechanism that can drive guide portion and reciprocate in the frame, still be provided with first delivery pump in the feeding tube. The invention has the advantage of high production efficiency.

Description

Air flow crusher

Technical Field

The invention relates to a jet mill.

Background

Rice starch has some properties that other starches do not possess. The rice starch granules are very small and uniform in particle size compared to other cereal starch granules. The gelatinized rice starch has quick water absorption, very soft texture similar to butter, fat taste and easy spreading. Waxy rice starch, in addition to having fat-like properties, also has excellent freeze-thaw stability and prevents syneresis during freezing.

Through retrieval, for example, chinese patent document discloses a preparation method of nano starch microspheres [ application number: 201510151917.6, respectively; publication No.: CN 104785179a ]. The preparation method of the nano starch microspheres comprises the following steps: (1) dissolving amylose in an alkali solution, and stirring to obtain a suspension; (2) freezing the suspension obtained in the step (1) until the suspension is completely frozen; (3) melting the product obtained in the step (2) to obtain a starch solution; (4) dialyzing the starch solution obtained in the step (3) to obtain a starch dispersion liquid; (5) and (4) filtering the starch dispersion liquid obtained in the step (4), and drying to obtain the nano starch microspheres.

Although the nano starch microsphere product prepared by the preparation method disclosed in the patent has high purity, the preparation method adopts a traditional crushing mode, the preparation time is long, and the production cost is high, so that a jet mill is necessary to design.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a production method of nano-scale rice starch, which has the characteristic of low production cost.

The purpose of the invention can be realized by the following technical scheme: a method for producing nano-scale rice starch, the raw material of which is rice, is characterized by comprising the following steps:

a. preparing rice starch: firstly, soaking rice in 0.8% sodium hydroxide aqueous solution for 16-20h, stirring every 4h, pouring out a soaking solution, pulping by a pulping machine, grinding by a colloid mill, soaking in 0.8% sodium hydroxide aqueous solution for 12-16h, pouring out the soaking solution, adding deionized water, centrifugally separating, pouring out a supernatant, and repeatedly cleaning for 3-5 times; after adding deionized water for the last time, adjusting the pH value to be neutral, and performing centrifugal separation to obtain a precipitate, namely rice starch;

b. homogenizing: performing primary homogenization treatment on the prepared rice starch slurry at 50-90MPa by adopting a nanometer ultrahigh pressure homogenizer, and performing secondary homogenization treatment on the rice starch slurry after the primary homogenization treatment at 160-240MPa by using a micro-jet homogenizer;

c. spray drying: spray drying the materials by a spray tower, wherein the air inlet temperature is 240 ℃ and 260 ℃, and the air outlet temperature is 60-80 ℃;

d. crushing: crushing the rice starch after spray drying by a jet mill;

e. and (3) detection: the particle size of the starch obtained was checked.

By adopting the method, the combination of dry grinding and wet grinding replaces the traditional grinding mode, the time required by production can be greatly saved, and the production cost is low.

The jet mill in the step d comprises a frame, wherein a feeding device, a mixing device, a crushing device and a packing device are sequentially arranged on the frame, the feeding device comprises a feeding pipe, a storage tank and a positioning support for positioning a raw material bag, the positioning support and the storage tank are both arranged on the frame, the lower end of the storage tank is provided with a first output port, a first electromagnetic valve is arranged in the first output port, the upper end of the storage tank is provided with a first feeding hole, the first feeding hole is communicated with one end of the feeding pipe, the other end of the feeding pipe is positioned above the positioning support, the end of the feeding pipe is provided with a material guide part, a moving mechanism capable of driving the material guide part to move up and down is arranged on the frame, and a first conveying pump is also arranged in the feeding pipe; the moving mechanism comprises an air cylinder and a mounting ring, the cylinder body of the air cylinder is fixed on the rack, the piston rod of the air cylinder is vertically downward, the end part of the piston rod of the air cylinder is connected with the mounting ring through a connecting rod, the material guiding part is fixed on the mounting ring, and the rack is also provided with a control mechanism capable of controlling the air cylinder to act; the mixing device comprises a mixing box, an atomizing head and a liquid storage box, wherein the mixing box and the liquid storage box are fixed on a rack, the upper part of the mixing box is provided with a powder input port, the powder input port is communicated with a first output port through a first connecting pipe, the lower part of the mixing box is provided with a powder output port, a second electromagnetic valve is arranged in the powder output port, the atomizing head is arranged in the mixing box, a liquid outlet of the atomizing head faces downwards, a liquid inlet of the atomizing head is communicated with the liquid storage box through a conveying pipe, a second conveying pump is arranged in the conveying pipe, the upper part of the mixing box is also provided with a stirring shaft, the upper end of the stirring shaft is connected with a stirring motor, the lower end of the stirring shaft penetrates into the mixing box and is connected with a stirring blade, the rack is provided with an absorbing mechanism capable of absorbing materials in the mixing box, the absorbing mechanism comprises an absorbing pipe, a second push rod motor, the push rod of the second push rod motor is vertically downward, the end part of the push rod of the second push rod motor is fixed with the mounting block, the feed end of the suction pipe is fixed on the mounting block, the feed end faces downward, the discharge end of the suction pipe penetrates out of the mixing box and is positioned in the storage box, and the suction pump is arranged in the suction pipe; the packaging device comprises a material storage tank, the material storage tank is fixed on a frame, a second input port is arranged at the upper part of the material storage tank and is communicated with a powder output port through a second connecting pipe, a second output port is arranged at the lower part of the material storage tank, a third electromagnetic valve is arranged in the second output port, a positioning mechanism capable of positioning the edge of a finished product bag is arranged on the frame, a vibration structure is also arranged on the frame and comprises a second vibration plate, a second vibration motor and a second mounting plate, the second mounting plate is arranged on the frame through a first lifting mechanism capable of driving the second mounting plate to move up and down, the second vibration plate is arranged on the second mounting plate and is positioned under the second output port, a third spring is arranged between the second vibration plate and the second mounting plate, one end of the third spring is connected with the lower surface of the second vibration plate, and the other end of the third spring is connected with the upper surface of the second mounting plate, the second vibrating motor is fixed on the lower surface of the second vibrating plate.

The working principle of the jet mill is as follows: positioning a raw material bag for storing raw materials on a positioning support, starting a first conveying pump, conveying the raw materials in the raw material bag into a material storage tank through a feeding pipe by the first conveying pump, controlling a piston rod of a cylinder to drive a mounting ring to move downwards along with the gradual reduction of the raw materials in the raw material bag, and driving a material guide part to move downwards by the mounting ring so as to enable the material guide part to be in contact with the raw materials in the raw material bag all the time; the raw materials in the storage tank are conveyed into the mixing tank through the first communicating pipe, an output shaft of the stirring motor is controlled to drive the stirring shaft to rotate, the stirring shaft drives the stirring blades to rotate, meanwhile, the second conveying pump is started, and the modifier in the storage tank is conveyed into the atomizing spray head through the conveying pipe by the second conveying pump, so that the modifier and the raw materials are uniformly mixed; the raw materials in the mixing box are crushed and then conveyed into the material storage tank through a second communicating pipe, the edge of the finished product bag is fixed on a second output port through a positioning mechanism, and a third electromagnetic valve is controlled to enable the second output port to be in an open state; drive the second mounting panel through first elevating system and reciprocate, the second mounting panel drives the second vibrations board and reciprocates, makes the bottom contact of second vibrations board and finished product bag, drives the vibrations of second vibrations board through second shock dynamo, and the second vibrations board drives finished product bag and produces vibrations and make finished product bag fill to accomplish its processing operation, production efficiency is high.

Control mechanism includes displacement sensor, installation pole and controller, and installation pole one end is connected with the collar, and the installation pole other end is connected with displacement sensor, and displacement sensor's response portion orientation locating support, and the controller is fixed in the frame, and cylinder and displacement sensor link to each other with this controller.

Structure more than adopting, detect the distance of raw materials in guide portion and the material bag through displacement sensor, give the controller with signal transmission, the piston rod downstream of controller control cylinder controls accurately.

The positioning support upper end has the reference column that can fix a position the raw materials bag, and the positioning support lower extreme has the vibrations mechanism that can shake the raw materials bag, vibrations mechanism includes first vibrations board and first shock dynamo, and first vibrations board sets up on the bottom plate of positioning support, has first spring between the bottom plate of first vibrations board and positioning support, and the one end and the first vibrations board of first spring are fixed mutually, and the other end of first spring and positioning support's bottom plate are fixed mutually, and first shock dynamo is fixed at first vibrations board lower surface.

When needs are shaken raw materials bag, penetrate the reference column with raw materials bag's edge in, make first vibrations board produce vibrations through first shock dynamo, first vibrations board drives the raw materials bag vibrations, makes the material downstream in the raw materials bag, and it is convenient to shake.

Still be provided with anti-skidding mechanism on the locating support, anti-skidding mechanism includes jack catch and second spring, and the jack catch lower extreme is articulated mutually with the locating support, and the one end and the jack catch middle part of second spring are connected, and the other end and the locating support of second spring are connected, and the jack catch upper end can support and lean on the locating support.

By adopting the structure, the claw is abutted against the positioning support through the second spring, so that the raw material bag can be prevented from sliding out of the positioning column, and the anti-skidding effect is good.

The upper end of the positioning column is provided with a lead-in part.

By adopting the structure, the edge of the raw material bag can be conveniently penetrated into the positioning column through the guiding part, and the guiding effect is good.

The lower end of the positioning column is sleeved with a rubber ring.

By adopting the structure, the friction force can be increased through the rubber ring, and the structure is reasonable.

And the positioning bracket is also provided with a plurality of rollers, and the rollers are connected with a second lifting mechanism capable of driving the rollers to lift up and down.

By adopting the structure, the roller can be folded or put down through the second lifting mechanism, and the practicability is high.

The second lifting mechanism comprises a first mounting plate, a first push rod motor, a guide rail and a slide block, the guide rail is vertically fixed on the positioning support, the slide block is arranged in the guide rail, the first push rod motor is fixed on a bottom plate of the positioning support, a push rod of the first push rod motor is vertically downward, the end portion of the push rod of the first push rod motor is connected with the slide block, the upper surface of the first mounting plate is connected with the slide block, and the lower surface of the first mounting plate is connected with the roller.

When the roller needs to be folded or put down, the push rod for controlling the first push rod motor drives the sliding block to move up and down, the sliding block drives the first mounting plate to move up and down, and the first mounting plate drives the roller to move up and down, so that the roller can be folded or put down.

Still be provided with in the frame and can arrive the push mechanism of (mixing) shaft department with the material propelling movement of mixing box lateral wall department, push mechanism includes a plurality of propelling movement pipes and air compressor machine, and a plurality of propelling movement pipes are vertical to be established on the mixing box lateral wall, and the propelling movement pipe lower extreme is the blind end, and the propelling movement pipe upper end is the inlet end, and the propelling movement pipe is linked together through communicating pipe and air compressor machine, and a plurality of ventholes have been seted up to the propelling movement pipe lateral part, and the venthole is towards the (mixing) shaft.

Structure more than adopting, carry the propelling movement pipe through the air compressor machine with the air in, the air is exported from the venthole, under the effect of air current, with the material propelling movement of mixing box lateral wall department to (mixing) shaft department, the time of less stirring greatly, the propelling movement is effectual.

The moving structure comprises a driving cylinder, a moving plate, a sliding block and a guide rail, the guide rail is horizontally fixed on the mixing box, the sliding block is arranged in the guide rail, a cylinder body of the driving cylinder is fixed on the mixing box, the end part of a piston rod of the driving cylinder is connected with the sliding block, the moving plate is fixed on the sliding block, and a second push rod motor is fixed on the moving plate.

When the second push rod motor needs to move back and forth, the piston rod of the driving cylinder is controlled to drive the sliding block to move back and forth along the guide rail, the sliding block drives the moving plate to move back and forth, and the moving plate drives the second push rod motor to move back and forth, so that the second push rod motor can move back and forth.

And a flow regulating valve is also arranged in the conveying pipe.

By adopting the structure, the flow of liquid in the conveying pipe can be adjusted through the flow adjusting valve, and the adjustment is convenient.

And an observation hole is formed in the mixing box, and a transparent observation plate is arranged at the observation hole.

By adopting the structure, the working condition in the mixing box can be quickly observed through the observation plate, and the observation is visual and convenient.

The suction pipe is also provided with a material guide pipe, the upper end of the material guide pipe is communicated with the feeding end of the suction pipe, and the lower end of the material guide pipe can be abutted against the bottom of the mixing box.

By adopting the structure, the material can be conveniently conveyed to the suction pipe through the material guide pipe, and the guide effect is good.

The first lifting mechanism comprises a third push rod motor, a sliding block and a guide rail, the guide rail is vertically fixed on the rack, the sliding block is arranged in the guide rail, the third push rod motor is fixed on the rack, a push rod of the third push rod motor vertically faces upwards, the end portion of the push rod of the third push rod motor is connected with the sliding block, and the second mounting plate is fixed on the sliding block.

When the second mounting plate needs to move up and down, the push rod controlling the third push rod motor drives the slide block to move up and down along the guide rail, and the slide block drives the second mounting plate to move up and down, so that the second mounting plate can move up and down.

The positioning mechanism comprises a positioning ring, a positioning block and a positioning cylinder, the positioning ring is sleeved and fixed on the second output port, the positioning cylinder is fixed on the rack through a support, a piston rod of the positioning cylinder faces the second output port, the end part of a piston rod of the positioning cylinder is fixed with the positioning block, and a positioning groove matched with the positioning ring is formed in the positioning block.

When the edge of the finished product bag needs to be fixed on the second output port, the edge of the finished product bag is sleeved on the positioning ring, the piston rod of the positioning cylinder is controlled to drive the positioning block to move, the positioning block abuts against the positioning ring, and therefore the edge of the finished product bag can be fixed on the second output port, and positioning is rapid.

The positioning groove is internally provided with a rubber strip which is provided with a plurality of convex protruding parts.

By adopting the structure, the friction force of the rubber strip can be increased, the sliding phenomenon is avoided, and the working stability is good.

Still be provided with suggestion mechanism in the frame, suggestion mechanism includes travel switch, measuring bar, alarm bell and PLC programmable controller, and the alarm bell is fixed in the frame, and travel switch fixes at second mounting panel lower surface, and the measuring bar is fixed in the frame, and the measuring bar can contact with travel switch, and travel switch and alarm bell all link to each other with this PLC programmable controller.

After the material is filled in the finished product bag, the push rod of the third push rod motor drives the second mounting plate to move downwards, the second mounting plate drives the travel switch to move downwards, the travel switch is in contact with the detection rod, the travel switch transmits a signal to the PLC, and the PLC enables the alarm bell to give an alarm sound, so that the prompt is visual and convenient.

And the third electromagnetic valve is connected with the PLC.

By adopting the structure, the third electromagnetic valve can be controlled to be powered on or powered off through the PLC.

And a plurality of limiting columns are fixed on the second vibrating plate, and the height of each limiting column is 30-50 mm.

Structure more than adopting can carry on spacingly to the bottom of finished product bag through spacing post, avoids the finished product bag to break away from the second vibrations board, and spacing effect is good.

Compared with the prior art, the invention has the following advantages:

1. the production method combines dry grinding and wet grinding, replaces the traditional grinding mode, can greatly save the production time and has low production cost.

2. Make first vibrations board produce vibrations through first shock dynamo, first vibrations board drives the vibrations of raw materials bag, makes the material in the raw materials bag to remove downwards, and it is convenient to vibrate.

3. The clamping claw and the positioning support are abutted through the second spring, so that the raw material bag can be prevented from slipping out of the positioning column, and the anti-slip effect is good.

4. Through with the suction tube from top to bottom with horizontal migration, the aspirator pump can realize the all-round sample in to the mixing box in exporting the case through the suction tube with the mixture everywhere in the mixing box, look over accurately.

5. Carry the propelling movement pipe with the air through the air compressor machine in, the air is exported from the venthole, with the material propelling movement of mixing box lateral wall department to (mixing) shaft department, the time of less stirring greatly, the propelling movement is effectual.

Drawings

Fig. 1 is a schematic plan structure view of a feeding device.

Fig. 2 is a partially enlarged schematic view at a in fig. 1.

Fig. 3 is a partially enlarged schematic view at B in fig. 1.

Fig. 4 is a cross-sectional view of a mixing device.

Fig. 5 is a partially enlarged schematic view at C in fig. 4.

Fig. 6 is a cross-sectional view of the pushing mechanism in the mixing device.

Fig. 7 is a schematic plan view of the packing apparatus.

Fig. 8 is a partially enlarged schematic view at D in fig. 7.

Fig. 9 is a perspective view of the packaging device with parts removed.

In the figure, 1, a frame; 2. a first solenoid valve; 3. a material storage tank; 3a, a first output port; 3b, a first feed inlet; 4. a first delivery pump; 5. feeding pipes; 5a, a material guiding part; 6. a connecting frame; 7. positioning the bracket; 7a, a bottom plate; 8. a connecting rod; 9. a mounting ring; 10. a displacement sensor; 10a, a sensing part; 11. mounting a rod; 12. a cylinder; 13. a positioning column; 13a, an introduction part; 14. a claw; 15. a second spring; 16. a first mounting plate; 17. a first vibration motor; 18. a first vibration plate; 19. a first spring; 20. a first push rod motor; 21. a guide rail; 22. a slider; 23. a roller; 24. a controller; 25. a mixing box; 25a, a powder output port; 25b, a viewing aperture; 25c, a powder input port; 26. a stirring blade; 27. a second solenoid valve; 28. a storage box; 29. an extraction tube; 30. a getter pump; 31. an observation plate; 32. a stirring shaft; 33. a stirring motor; 34. a guide rail; 35. a spray head; 36. a delivery pipe; 37. a flow regulating valve; 38. a second delivery pump; 39. a liquid storage tank; 40. a driving cylinder; 41. a slider; 42. moving the plate; 43. a second push rod motor; 44. mounting blocks; 45. a material guide pipe; 46. a communicating pipe; 47. an air compressor; 48. pushing the pipe; 48a and an air outlet; 49. a PLC programmable controller; 50. an alarm bell; 51. a support; 52. positioning the air cylinder; 53. positioning blocks; 53a, a positioning groove; 54. a positioning ring; 55. a third electromagnetic valve; 56. a material storage tank; 56a, a second output port; 56b, a second input port; 57. a detection lever; 58. a third push rod motor; 59. a guide rail; 60. a slider; 61. a limiting column; 62. a second vibration plate; 63. a second vibration motor; 64. a second mounting plate; 65. a third spring; 66. a travel switch; 67. a rubber strip.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

The production method of the nano-scale rice starch uses rice as raw materials and comprises the following steps:

a. preparing rice starch: firstly, soaking rice in 0.8% sodium hydroxide aqueous solution for 16-20h, stirring every 4h, pouring out a soaking solution, pulping by a pulping machine, grinding by a colloid mill, soaking in 0.8% sodium hydroxide aqueous solution for 12-16h, pouring out the soaking solution, adding deionized water, centrifugally separating, pouring out a supernatant, and repeatedly cleaning for 3-5 times; after adding deionized water for the last time, adjusting the pH value to be neutral, and performing centrifugal separation to obtain a precipitate, namely rice starch; in this example, rice was first soaked in 0.8% aqueous sodium hydroxide solution for 16 h; soaking in 0.8% sodium hydroxide water solution for 14 hr, and removing the soaking solution; washing for 4 times;

b. homogenizing: performing primary homogenization treatment on the prepared rice starch slurry at 50-90MPa by adopting a nanometer ultrahigh pressure homogenizer, and performing secondary homogenization treatment on the rice starch slurry after the primary homogenization treatment at 160-240MPa by using a micro-jet homogenizer; in this example, the prepared rice starch slurry was subjected to primary homogenization treatment at 60MPa using a nano ultra-high pressure homogenizer, and the rice starch slurry after the primary homogenization treatment was subjected to secondary homogenization treatment at 200MPa using a micro-jet homogenizer

c. Spray drying: spray drying the materials by a spray tower, wherein the air inlet temperature is 240 ℃ and 260 ℃, and the air outlet temperature is 60-80 ℃; in the embodiment, the air inlet temperature is 250 ℃, and the air outlet temperature is 70 ℃;

d. crushing: crushing the rice starch after spray drying by a jet mill;

e. and (3) detection: the particle size of the starch obtained was checked.

As shown in fig. 1, fig. 2, fig. 4, fig. 5, fig. 7, and fig. 8, the jet mill in step d includes a frame 1, a feeding device, a mixing device, a pulverizing device, and a packing device are sequentially disposed on the frame 1, and the pulverizing device adopts a jet milling manner in the prior art; the feeding device comprises a feeding pipe 5, a storage tank 3 and a positioning support 7 for positioning the raw material bag, the positioning support 7 and the storage tank 3 are both arranged on a rack 1, the lower end of the storage tank 3 is provided with a first output port 3a, a first electromagnetic valve 2 is arranged in the first output port 3a, the upper end of the storage tank 3 is provided with a first feeding port 3b, the first feeding port 3b is communicated with one end of the feeding pipe 5, the other end of the feeding pipe 5 is positioned above the positioning support 7 and is provided with a material guiding part 5a, the rack 1 is provided with a moving mechanism capable of driving the material guiding part 5a to move up and down, and the feeding pipe 5 is also provided with a first conveying pump 4; the moving mechanism comprises an air cylinder 12 and a mounting ring 9, wherein the cylinder body of the air cylinder 12 is fixed on the rack 1, and the cylinder body of the air cylinder 12 is fixed on the rack 1 through a connecting frame 6; a piston rod of the cylinder 12 is vertically downward, the end part of the piston rod of the cylinder 12 is connected with the mounting ring 9 through a connecting rod 8, the material guiding part 5a is fixed on the mounting ring 9, and the material guiding part 5a is fixed on the mounting ring 9 in a bolt connection mode; the frame 1 is also provided with a control mechanism which can control the action of the cylinder 12; the mixing device comprises a mixing box 25, a spray head 35 and a liquid storage box 39, wherein the mixing box 25 and the liquid storage box 39 are fixed on the frame 1, and the mixing box 25 and the liquid storage box 39 are fixed on the frame 1 in a welding mode; the upper part of the mixing box 25 is provided with a powder input port 25c, the powder input port 25c is communicated with the first output port 3a through a first connecting pipe, the lower part of the mixing box 25 is provided with a powder output port 25a, a second electromagnetic valve 27 is arranged in the powder output port 25a, the spray head 35 is arranged in the mixing box 25, the liquid outlet of the spray head 35 faces downwards, the liquid inlet of the spray head 35 is communicated with the liquid storage box 39 through a conveying pipe 36, a second conveying pump 38 is arranged in the conveying pipe 36, the upper part of the mixing box 25 is also provided with a stirring shaft 32, the upper end of the stirring shaft 32 is connected with the stirring motor 33, the upper end of the stirring shaft 32 is connected with the output shaft of the stirring motor 33 through a; the lower end of the stirring shaft 32 penetrates into the mixing box 25 and is connected with the stirring blade 26, and the lower end of the stirring shaft 32 is connected with the stirring blade 26 in a key connection mode; the frame 1 is provided with a suction mechanism capable of sucking materials in the mixing box 25, the suction mechanism comprises a suction pipe 29, a second push rod motor 43, a suction pump 30, a mounting block 44 and a storage box 28, the second push rod motor 43 is arranged in the mixing box 25 through a moving structure capable of driving the second push rod motor to horizontally move, a push rod of the second push rod motor 43 is vertically downward, the end part of the push rod of the second push rod motor 43 is fixed with the mounting block 44, and the end part of the push rod of the second push rod motor 43 is fixed with the mounting block 44 in a bolt connection mode; the feeding end of the suction pipe 29 is fixed on the mounting block 44, the feeding end faces downwards, the discharging end of the suction pipe 29 penetrates out of the mixing box 25 and is positioned in the storage box 28, and the suction pump 30 is arranged in the suction pipe 29; the packaging device comprises a material storage tank 56, the material storage tank 56 is fixed on the rack 1, and the material storage tank 56 is fixed on the rack 1 in a welding mode; the upper part of the material storage tank 56 is provided with a second input port 56b, the second input port 56b is communicated with the powder output port 25a through a second connecting pipe, the lower part of the material storage tank 56 is provided with a second output port 56a, a third electromagnetic valve 55 is arranged in the second output port 56a, the rack 1 is provided with a positioning mechanism capable of positioning the edge of a finished product bag, the rack 1 is also provided with a vibration structure, the vibration structure comprises a second vibration plate 62, a second vibration motor 63 and a second mounting plate 64, the second mounting plate 64 is arranged on the rack 1 through a first lifting mechanism capable of driving the second mounting plate 64 to move up and down, the second vibration plate 62 is arranged on the second mounting plate 64, the second vibration plate 62 is positioned right below the second output port 56a, a third spring 65 is arranged between the second vibration plate 62 and the second mounting plate 64, and the number of the third springs 65 is four in the embodiment; one end of a third spring 65 is connected with the lower surface of the second vibration plate 62, the other end of the third spring 65 is connected with the upper surface of the second mounting plate 64, a second vibration motor 63 is fixed on the lower surface of the second vibration plate 62, and the second vibration motor 63 is fixed on the lower surface of the second vibration plate 62 in a bolt connection mode.

As shown in fig. 1 and 2, the control mechanism comprises a displacement sensor 10, a mounting rod 11 and a controller 24, wherein one end of the mounting rod 11 is connected with the mounting ring 9, and one end of the mounting rod 11 is connected with the mounting ring 9 in a bolt connection manner; the other end of the mounting rod 11 is connected with the displacement sensor 10, and the other end of the mounting rod 11 is connected with the displacement sensor 10 in a bolt connection mode; the induction part 10a of the displacement sensor 10 faces the positioning support 7, the controller 24 is fixed on the rack 1 in a bolt connection mode, the controller 24 adopts a commercially available single chip microcomputer, programs for controlling the air cylinder and the sensor by the single chip microcomputer are available, and the programs do not need to be edited again; the cylinder 12 and the displacement sensor 10 are connected to the controller 24.

As shown in fig. 1, 2 and 3, the positioning bracket 7 has positioning posts 13 at the upper end thereof for positioning the raw material bag, and in this embodiment, the number of the positioning posts 13 is four; the upper end of the positioning column 13 is provided with a leading-in part 13a, and by adopting the structure, the edge of the raw material bag can be conveniently penetrated into the positioning column 13 through the leading-in part 13a, so that the guiding effect is good; the lower end of the positioning column 13 is sleeved with a rubber ring, and by adopting the structure, the friction force of the positioning column can be increased through the rubber ring; the lower end of the positioning support 7 is provided with a vibration mechanism capable of vibrating the raw material bag, the vibration mechanism comprises a first vibration plate 18 and a first vibration motor 17, the first vibration plate 18 is arranged on a bottom plate 7a of the positioning support 7, a first spring 19 is arranged between the first vibration plate 18 and the bottom plate 7a of the positioning support 7, one end of the first spring 19 is fixed with the first vibration plate 18, the other end of the first spring 19 is fixed with the bottom plate 7a of the positioning support 7, the first vibration motor 17 is fixed on the lower surface of the first vibration plate 18, and the first vibration motor 17 is fixed on the lower surface of the first vibration plate 18 in a bolt connection mode.

As shown in fig. 1 and 2, the positioning support 7 is further provided with an anti-slip mechanism, the anti-slip mechanism comprises a claw 14 and a second spring 15, the lower end of the claw 14 is hinged to the positioning support 7, one end of the second spring 15 is connected with the middle of the claw 14, the other end of the second spring 15 is connected with the positioning support 7, and the upper end of the claw 14 can abut against the positioning support 7.

As shown in fig. 1 and 3, the positioning bracket 7 is further provided with a plurality of rollers 23, in this embodiment, the number of the rollers 23 is four; the roller 23 is connected with a second lifting mechanism which can drive the roller to lift up and down, and by adopting the structure, the roller 23 can be folded or put down through the second lifting mechanism.

As shown in fig. 1 and 3, the second lifting mechanism includes a first mounting plate 16, a first push rod motor 20, a guide rail 21 and a slider 22, the guide rail 21 is vertically fixed on the positioning bracket 7, and the guide rail 21 is fixed on the positioning bracket 7 by a bolt connection; the slide block 22 is arranged in the guide rail 21, and the slide block 22 can move up and down along the guide rail 21; the first push rod motor 20 is fixed on the bottom plate 7a of the positioning support 7, a push rod of the first push rod motor 20 is vertically downward, the end part of the push rod of the first push rod motor 20 is connected with the sliding block 22, the upper surface of the first mounting plate 16 is connected with the sliding block 22, and the lower surface of the first mounting plate 16 is connected with the roller 23.

As shown in fig. 6, the frame 1 is further provided with a pushing mechanism capable of pushing the material on the side wall of the mixing box 25 to the stirring shaft 32, the pushing mechanism includes a plurality of pushing pipes 48 and air compressors 47, in this embodiment, the number of the pushing pipes 48 is twelve; the push pipes 48 are vertically arranged on the side wall of the mixing box 25, the lower ends of the push pipes 48 are closed ends, the upper ends of the push pipes 48 are air inlet ends, the push pipes 48 are communicated with an air compressor 47 through communicating pipes 46, and the air compressor 47 is fixed on the rack 1; a plurality of air outlet holes 48a are formed in the side portion of the pushing pipe 48, and in the present embodiment, the number of the air outlet holes 48a is six; the air outlet 48a faces the stirring shaft 32.

As shown in fig. 4 and 5, the moving structure comprises a driving cylinder 40, a moving plate 42, a slider 41 and a guide rail 34, the guide rail 34 is horizontally fixed on the mixing box 25, and the guide rail 34 is fixed on the mixing box 25 by means of bolt connection; the slider 41 is disposed in the guide rail 34, and the slider 41 is movable back and forth along the guide rail 34; the cylinder body of the driving cylinder 40 is fixed on the mixing box 25, and the cylinder body of the driving cylinder 40 is fixed on the mixing box 25 in a bolt connection mode; the end part of the piston rod of the driving cylinder 40 is connected with the sliding block 41, and the end part of the piston rod of the driving cylinder 40 is connected with the sliding block 41 in a bolt connection mode; the moving plate 42 is fixed on the slide block 41, and the moving plate 42 is fixed on the slide block 41 in a bolt connection mode; the second push rod motor 43 is fixed on the moving plate 42, and the second push rod motor 43 is fixed on the moving plate 42 by means of bolt connection.

As shown in fig. 4, a flow regulating valve 37 is further provided in the delivery pipe 36; the mixing box 25 is provided with an observation hole 25b, a transparent observation plate 31 is provided at the observation hole 25b, and the observation plate 31 is an organic plate.

As shown in fig. 4 and 5, the suction pipe 29 is further provided with a material guiding pipe 45, the upper end of the material guiding pipe 45 is communicated with the feeding end of the suction pipe 29, and the lower end of the material guiding pipe 45 can abut against the bottom of the mixing box 25.

As shown in fig. 7 and 8, the first lifting mechanism includes a third push rod motor 58, a slider 60 and a guide rail 59, the guide rail 59 is vertically fixed on the frame 1, and the guide rail 59 is fixed on the frame 1 by means of bolts; the slider 60 is disposed in the guide rail 59, and the slider 60 is movable up and down along the guide rail 59; the third push rod motor 58 is fixed on the frame 1, and the third push rod motor 58 is fixed on the frame 1 in a bolt connection mode; the push rod of the third push rod motor 58 is vertically upward, the end part of the push rod of the third push rod motor 58 is connected with the slide block 60, and the end part of the push rod of the third push rod motor 58 is connected with the slide block 60 in a bolt connection mode; the second mounting plate 64 is fixed to the slider 60, and the second mounting plate 64 is fixed to the slider 60 by bolting.

As shown in fig. 7 and 9, the positioning mechanism includes a positioning ring 54, a positioning block 53 and a positioning cylinder 52, the positioning ring 54 is sleeved and fixed on the second output port 56a, the positioning cylinder 52 is fixed on the frame 1 through a bracket 51, a piston rod of the positioning cylinder 52 faces the second output port 56a, an end of a piston rod of the positioning cylinder 52 is fixed to the positioning block 53, and an end of a piston rod of the positioning cylinder 52 is fixed to the positioning block 53 through a bolt connection; the positioning block 53 is provided with a positioning groove 53a matched with the positioning ring 54; in the present embodiment, the number of the positioning blocks 53 and the positioning cylinders 52 is two.

As shown in fig. 9, the positioning groove 53a is provided with a rubber strip 67, and with the structure, the friction force of the rubber strip 67 can be increased, so that the sliding phenomenon is avoided; the rubber strip 67 has a plurality of protruding projections, which in this embodiment are thirty in number.

As shown in fig. 7 and 8, the rack 1 is further provided with a prompting mechanism, the prompting mechanism includes a travel switch 66, a detection rod 57, an alarm bell 50 and a PLC programmable controller 49, the alarm bell 50 is fixed on the rack 1, and the alarm bell 50 is fixed on the rack 1 in a bolt connection manner; the travel switch 66 is fixed on the lower surface of the second mounting plate 64, and the travel switch 66 is fixed on the lower surface of the second mounting plate 64 in a bolt connection mode; the detection rod 57 is fixed on the frame 1, and the detection rod 57 is fixed on the frame 1 in a bolt connection mode; the detection rod 57 can contact with the travel switch 66, the travel switch 66 and the alarm bell 50 are both connected with the PLC 49, in the embodiment, the PLC 49 adopts a commercially available controller, the program of the controller for controlling the travel switch, the alarm bell and the third electromagnetic valve is the existing program, and the program does not need to be edited again; the third electromagnetic valve 55 is connected with the PLC 49, and by adopting the structure, the PLC 49 can control the third electromagnetic valve 55 to be powered on or powered off.

As shown in fig. 7 and 8, the second vibration plate 62 is fixed with a plurality of limiting posts 61, the height of the limiting posts 61 is 30-50 mm, in this embodiment, the height of the limiting posts 61 is 40mm, and with this structure, the bottom of the finished bag can be limited by the limiting posts 61, so that the finished bag is prevented from being separated from the second vibration plate 62, and the limiting effect is good.

The working principle of the jet mill is as follows: the edge of a raw material bag for storing raw materials is penetrated into a positioning column 13, a claw 14 is abutted against a positioning support 7 through a second spring 15, a first conveying pump 4 is started, the first conveying pump 4 conveys the raw materials in the raw material bag into a material storage tank 3 through a feeding pipe 5, the distance between a material guiding part 5a and the raw materials in the material bag is detected through a displacement sensor 10 along with the gradual reduction of the raw materials in the raw material bag, a signal is transmitted to a controller 24, the controller 24 controls a piston rod of an air cylinder 12 to drive a mounting ring 9 to move downwards, the mounting ring 9 drives the material guiding part 5a to move downwards, and the material guiding part 5a is enabled to be always contacted with the raw materials in the raw material bag; the raw materials in the material storage tank 3 are conveyed into the mixing box 25 through the first communication pipe, an output shaft of the stirring motor 33 is controlled to drive the stirring shaft 32 to rotate, the stirring shaft 32 drives the stirring blades 26 to rotate, air is conveyed into the pushing pipe 48 through the air compressor 47, the air is output from the air outlet hole 48a, and the materials on the side wall of the mixing box 25 are pushed to the stirring shaft 32 under the action of air flow; meanwhile, the second delivery pump 38 is started, the second delivery pump 38 delivers the modifier in the liquid storage tank 39 to the spray head 35 through the delivery pipe 36, so that the modifier and the raw material are uniformly mixed, when the sample needs to be taken, the piston rod of the driving cylinder 40 is controlled to drive the sliding block 41 to move back and forth, the sliding block 41 drives the moving plate 42 to move back and forth, and the moving plate 42 drives the second push rod motor 43 to move back and forth; the push rod of the second push rod motor 43 is controlled to drive the mounting block 44 to move downwards, the mounting block 44 drives the suction pipe 29 to move downwards, the air suction pump 30 can output the mixture at each position in the mixing box 25 to the storage box 28 through the suction pipe 29, and sampling in the mixing box 25 in all directions can be realized; the raw materials in the mixing box 25 are crushed and then conveyed into a material storage tank 56 through a second communicating pipe, the edge of the finished product bag is sleeved on a positioning ring 54, a piston rod of a positioning cylinder 52 is controlled to drive a positioning block 53 to move, the positioning block 53 abuts against the positioning ring 54, the edge of the finished product bag is fixed on a second output port 56a, and a PLC (programmable logic controller) 49 controls a third electromagnetic valve 55 to enable the second output port 56a to be in an open state; a push rod of a third push rod motor 58 is controlled to drive a slide block 60 to move upwards, the slide block 60 drives a second mounting plate 64 to move upwards, the second mounting plate 64 drives a second vibration plate 62 to move upwards, the second vibration plate 62 is enabled to be in contact with the bottom of a finished product bag, the second vibration plate 62 is driven to vibrate through a second vibration motor 63, the finished product bag is driven to vibrate through the second vibration plate 62, materials in the finished product bag gradually increase, a push rod of the third push rod motor 58 is controlled to drive the slide block 60 to gradually move downwards, the slide block 60 drives the second mounting plate 64 to gradually move downwards, when the finished product bag is filled with the materials, a travel switch 66 is in contact with a detection rod 57, the travel switch 66 transmits signals to a PLC (programmable logic controller) 49, and the PLC 49 enables an alarm bell 50 to give an alarm sound; the mixing of the raw materials and other auxiliary agents can select the function according to the actual requirement.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the appended claims.

Claims

1. A jet mill comprises a frame and is characterized in that a feeding device, a mixing device, a crushing device and a packing device are sequentially arranged on the frame, the feeding device comprises a feeding pipe, a storage tank and a positioning support for positioning a raw material bag, the positioning support and the storage tank are both arranged on the frame, a first output port is arranged at the lower end of the storage tank, a first electromagnetic valve is arranged in the first output port, a first feeding hole is formed in the upper end of the storage tank, the first feeding hole is communicated with one end of the feeding pipe, the other end of the feeding pipe is positioned above the positioning support, a material guide part is arranged at the other end of the feeding pipe, a moving mechanism capable of driving the material guide part to move up and down is arranged on the frame, and a first conveying pump is also arranged in the feeding pipe; the moving mechanism comprises an air cylinder and a mounting ring, the cylinder body of the air cylinder is fixed on the rack, the piston rod of the air cylinder is vertically downward, the end part of the piston rod of the air cylinder is connected with the mounting ring through a connecting rod, the material guiding part is fixed on the mounting ring, and the rack is also provided with a control mechanism capable of controlling the air cylinder to act; the mixing device comprises a mixing box, an atomizing head and a liquid storage box, wherein the mixing box and the liquid storage box are fixed on a rack, the upper part of the mixing box is provided with a powder input port, the powder input port is communicated with a first output port through a first connecting pipe, the lower part of the mixing box is provided with a powder output port, a second electromagnetic valve is arranged in the powder output port, the atomizing head is arranged in the mixing box, a liquid outlet of the atomizing head faces downwards, a liquid inlet of the atomizing head is communicated with the liquid storage box through a conveying pipe, a second conveying pump is arranged in the conveying pipe, the upper part of the mixing box is also provided with a stirring shaft, the upper end of the stirring shaft is connected with a stirring motor, the lower end of the stirring shaft penetrates into the mixing box and is connected with a stirring blade, the rack is provided with an absorbing mechanism capable of absorbing materials in the mixing box, the absorbing mechanism comprises an absorbing pipe, a second push rod motor, the push rod of the second push rod motor is vertically downward, the end part of the push rod of the second push rod motor is fixed with the mounting block, the feed end of the suction pipe is fixed on the mounting block, the feed end faces downward, the discharge end of the suction pipe penetrates out of the mixing box and is positioned in the storage box, and the suction pump is arranged in the suction pipe; the packaging device comprises a material storage tank, the material storage tank is fixed on a frame, a second input port is arranged at the upper part of the material storage tank and is communicated with a powder output port through a second connecting pipe, a second output port is arranged at the lower part of the material storage tank, a third electromagnetic valve is arranged in the second output port, a positioning mechanism capable of positioning the edge of a finished product bag is arranged on the frame, a vibration structure is also arranged on the frame and comprises a second vibration plate, a second vibration motor and a second mounting plate, the second mounting plate is arranged on the frame through a first lifting mechanism capable of driving the second mounting plate to move up and down, the second vibration plate is arranged on the second mounting plate and is positioned under the second output port, a third spring is arranged between the second vibration plate and the second mounting plate, one end of the third spring is connected with the lower surface of the second vibration plate, and the other end of the third spring is connected with the upper surface of the second mounting plate, the second vibrating motor is fixed on the lower surface of the second vibrating plate; the upper end of the positioning support is provided with a positioning column capable of positioning the raw material bag, the lower end of the positioning support is provided with a vibration mechanism capable of vibrating the raw material bag, the vibration mechanism comprises a first vibration plate and a first vibration motor, the first vibration plate is arranged on a bottom plate of the positioning support, a first spring is arranged between the first vibration plate and the bottom plate of the positioning support, one end of the first spring is fixed with the first vibration plate, the other end of the first spring is fixed with the bottom plate of the positioning support, and the first vibration motor is fixed on the lower surface of the first vibration plate; the anti-skid mechanism is further arranged on the positioning support and comprises a clamping jaw and a second spring, the lower end of the clamping jaw is hinged with the positioning support, one end of the second spring is connected with the middle of the clamping jaw, the other end of the second spring is connected with the positioning support, and the upper end of the clamping jaw can abut against the positioning support; the frame is also provided with a pushing mechanism capable of pushing materials on the side wall of the mixing box to the stirring shaft, the pushing mechanism comprises a plurality of pushing pipes and an air compressor, the plurality of pushing pipes are vertically arranged on the side wall of the mixing box, the lower ends of the pushing pipes are closed ends, the upper ends of the pushing pipes are air inlet ends, the pushing pipes are communicated with the air compressor through communicating pipes, the side parts of the pushing pipes are provided with a plurality of air outlet holes, and the air outlet holes face the stirring shaft; the positioning mechanism comprises a positioning ring, a positioning block and a positioning cylinder, the positioning ring is sleeved and fixed on the second output port, the positioning cylinder is fixed on the rack through a support, a piston rod of the positioning cylinder faces the second output port, the end part of a piston rod of the positioning cylinder is fixed with the positioning block, and the positioning block is provided with a positioning groove matched with the positioning ring; the positioning groove is internally provided with a rubber strip which is provided with a plurality of convex protruding parts.

2. A jet mill according to claim 1, characterized in that the positioning post has a lead-in portion at an upper end thereof.

3. A jet mill according to claim 1, characterized in that the lower end of the positioning column is sleeved with a rubber ring.

4. A jet mill according to claim 1, characterized in that the positioning bracket is further provided with a plurality of rollers, and the rollers are connected with a second lifting mechanism capable of driving the rollers to lift up and down.

5. The jet mill of claim 4, wherein the second lifting mechanism comprises a first mounting plate, a first push rod motor, a guide rail and a slide block, the guide rail is vertically fixed on the positioning bracket, the slide block is arranged in the guide rail, the first push rod motor is fixed on a bottom plate of the positioning bracket, a push rod of the first push rod motor is vertically downward, the end part of the push rod of the first push rod motor is connected with the slide block, the upper surface of the first mounting plate is connected with the slide block, and the lower surface of the first mounting plate is connected with the roller.