Pre-crushing device for pesticide suspending agent production

Abstract

The utility model belongs to the technical field of pesticide preparation devices, and particularly relates to a pre-smashing device for pesticide suspending agent production, which comprises a smashing box, a smashing mechanism and a vibration screening mechanism, the smashing box is provided with a feeding port and a discharging port, and the smashing mechanism comprises a smashing motor and two smashing rollers. The vibrating screening mechanism comprises a screen frame assembly, a driving assembly and a guiding assembly, the screen frame assembly comprises a frame body and a connecting base, a perforated plate is arranged at the bottom of the frame body, inserting blocks are arranged on the left side and the right side of the frame body, a screw rod is hinged to the top of the side wall of the frame body, the connecting base comprises two baffles and a plurality of connecting rods, and inserting grooves are formed in the inner sides of the two baffles. Mounting holes are formed in the tops of the two baffles, rolling wheels are arranged below the connecting base, the driving assembly is used for driving the screen frame assembly to move up and down, and the guiding assembly is used for guiding the screen frame assembly to move up and down. According to the device, powdery active ingredients can be pre-crushed, and part of unqualified particles which are not thoroughly crushed can be screened out.

Description

Technical Field

[0001] Suspension concentrate refers to a liquid preparation with appropriate viscosity and stable suspension made by adding appropriate amount of wetting agent, dispersant, defoamer, thickener, preservative and other additives to the powdered or granular active ingredients. Compared with other forms of pesticides, suspension concentrate has the advantages of long-lasting efficacy, good stability and strong adaptability. Background Art

[0002] At present, in the process of preparing a suspension, it is necessary to mix the powdered active ingredient with an appropriate amount of a wetting agent, a dispersant, a defoamer, a thickener and other regulators and water, stir evenly, pour it into a sand mill for sand grinding, and sand grind to a qualified particle size to obtain a suspension. However, active ingredients, such as iprodione and dimethomorph, are usually mixed with large-size particles, and it is not easy to stir evenly when directly mixed with a regulator and water, and it will also have an adverse effect on the later sand grinding.

[0003] Therefore, there is an urgent need for a pre-crushing device for the production of pesticide suspensions to solve the above problems. Utility Model Content

[0004] In view of the above-mentioned defects in the prior art, the utility model provides a pre-crushing device for the production of pesticide suspensions, including a crushing box, a crushing mechanism and a vibrating screening mechanism. The top of the crushing box is provided with a feeding port, the bottom of the crushing box is provided with a lower hopper, and the bottom of the lower hopper is provided with a lower feeding port.

[0005] The crushing mechanism includes a crushing motor arranged outside the crushing box and two crushing rollers arranged inside the crushing box. The two crushing rollers are arranged opposite to each other front and back, and the roller shafts of the crushing rollers pass through the crushing box and are transmission-connected to the output shafts of the crushing motor. The gap between the two crushing rollers corresponds to the position of the feeding port.

[0006] The vibrating screening mechanism includes a screen frame assembly, a driving assembly and a guide assembly. The screen frame assembly is arranged inside the crushing box and below the crushing mechanism. The screen frame assembly includes a frame body and a connecting seat. The position of the frame body corresponds to the gap between the two crushing rollers. A porous plate is arranged at the bottom of the frame body. Insert blocks are arranged on the outer sides of the left and right side walls of the frame body. The tops of the left and right side walls of the frame body are hinged with screws with butterfly nuts. The connecting seat includes two baffles arranged on the left and right sides of the frame body and a plurality of connecting rods fixedly connected between the two baffles. The inner sides of the two baffles are provided with plug blocks that are connected to the insert blocks of the frame body. Matching slots, the tops of the two baffles are provided with mounting holes that match the screws of the frame, multiple connecting rods are located below the frame, and the multiple connecting rods are spaced and arranged in parallel. A number of rollers are fixedly arranged below the connecting seat, and the top of each roller is provided with a mounting seat fixedly connected to the connecting rod; the driving assembly is located below the screen frame assembly, and is used to drive the screen frame assembly to move up and down periodically; the number of guide assemblies is four, the four guide assemblies are all located in the crushing box, and the four guide assemblies are respectively arranged at the four corners of the screen frame assembly, which are used to provide guidance for the up and down movement of the screen frame assembly.

[0007] Optionally, the driving assembly includes a rotating rod rotatably connected to the inside of the crushing box and a servo motor arranged outside the crushing box, and a number of cams equal to the number of rollers are installed on the rotating rod, and the number of cams correspond to the positions of the number of rollers respectively, and the top end of the cam abuts against the bottom end of the roller, and one end of the rotating rod passes through the crushing box and is connected to the output shaft of the servo motor.

[0008] Optionally, the guide assembly includes two fixed blocks fixed on the inner wall of the crushing box, a guide rod fixedly connected between the two fixed blocks, and a connecting block located between the two fixed blocks, the guide rod passes through the connecting block, the connecting block is fixedly connected to the outer side of the baffle of the connecting seat, a buffer spring is connected between the connecting block and the two fixed blocks, and the buffer spring is sleeved on the outside of the guide rod.

[0009] Optionally, a discharge valve is provided at the discharge port of the crushing box.

[0010] In particular, the discharge valve facilitates controlled discharge.

[0011] Optionally, a box door is provided at the front end of the crushing box, and an observation window is provided on the box door.

[0012] Specifically, the box door makes it easy for staff to inspect and repair the equipment in the crushing box, dismantle the frame, and clean up the uncrushed large particles on the porous plate. The observation window makes it easy for on-site personnel to view the operation status of the equipment in the crushing box in real time.

[0013] Optionally, a control panel is further provided outside the pulverizing box, and the pulverizing motor and the servo motor are both electrically connected to the control panel.

[0014] The utility model also includes other components that enable the pre-crushing device for the production of pesticide suspension to be used normally, which are all conventional technical means in the field. In addition, the devices or components not limited in the utility model all adopt conventional technical means in the field, such as a crushing motor and a servo motor.

[0015] The working principle of the utility model is to put the material to be crushed into the crushing box through the feeding port, start the crushing motor, drive the crushing roller to rotate, and then pre-crush the material, and the crushed powder falls onto the porous plate of the frame, start the servo motor, drive the rotating rod to rotate, and then drive the screen frame assembly as a whole to move up and down periodically through the cam, thereby accelerating the screening efficiency of the powder on the porous plate, wherein powder particles of qualified particle size fall into the lower hopper and are discharged through the lower feeding port, while unqualified large particle size particles are retained on the porous plate, and in the process of the screen frame assembly moving up and down, the guide assembly can provide guidance and buffering for the screen frame assembly to avoid excessive shaking of the screen frame assembly and ensure the stability of the screen frame assembly when moving up and down. After the crushing is completed, the staff opens the door, loosens the butterfly nut, turns the screw to disengage the screw from the mounting hole of the connecting seat, then pulls out the frame to clean out the materials trapped on the porous plate, and then puts the frame back so that the frame's plug-in is inserted into the slot of the connecting seat, then turns the screw back to make the screw fit into the mounting hole of the connecting seat, tightens the butterfly nut, fixes the frame, and finally closes the door.

[0016] The beneficial effect of the utility model is that, through the crushing box, the crushing mechanism and the vibration screening mechanism, the powdered active ingredients can be pre-crushed, the large-size particles mixed therein can be crushed away, and at the same time, some unqualified particles that have not been completely crushed can be screened out; in addition, the detachable screen frame assembly can be used to conveniently clean out the unqualified particles retained on the porous plate, so as to facilitate the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 for Figure 1 Enlarged schematic diagram of the structure of part A in the middle.

[0020] Figure 3 It is a schematic diagram of the external structure of the crushing box of the utility model.

[0021] Figure 4 It is an exploded view of the screen frame assembly of the present invention.

[0022] Figure 5 for Figure 4 Enlarged schematic diagram of the structure of part B in the middle.

[0023] Figure 6 for Figure 4 Enlarged schematic diagram of the structure of section C in the middle.

[0024] In the figure: 1. crushing box, 2. feeding port, 3. lower hopper, 4. lower feeding port, 5. crushing motor, 6. crushing roller, 7. screen frame assembly, 8. frame, 9. connecting seat, 10. plug block, 11. butterfly nut, 12. screw, 13. baffle, 14. connecting rod, 15. slot, 16. mounting hole, 17. roller, 18. rotating rod, 19. servo motor, 20. cam, 21. fixing block, 22. guide rod, 23. connecting block, 24. buffer spring, 25. box door, 26. control panel, 27. porous plate. DETAILED DESCRIPTION

[0025] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0026] Example

[0027] like Figure 1-6 As shown, an embodiment of the utility model provides a pre-crushing device for the production of pesticide suspensions, including a crushing box 1, a crushing mechanism and a vibrating screening mechanism. A loading port 2 is provided at the top of the crushing box 1, a lower hopper 3 is provided at the bottom of the crushing box 1, a lower port 4 is provided at the bottom of the lower hopper 3, and a discharge valve is provided at the lower port 4, which facilitates the control of discharge.

[0028] The crushing mechanism includes a crushing motor 5 arranged outside the crushing box 1 and two crushing rollers 6 arranged inside the crushing box 1. The two crushing rollers 6 are arranged opposite to each other front and back, and the roller shafts of the crushing rollers 6 pass through the crushing box 1 and are transmission-connected to the output shafts of the crushing motor 5. The gap between the two crushing rollers 6 corresponds to the position of the feeding port 2.

[0029] The vibration screening mechanism includes a screen frame assembly 7, a drive assembly and a guide assembly. The screen frame assembly 7 is arranged inside the crushing box 1 and below the crushing mechanism. The screen frame assembly 7 includes a frame body 8 and a connecting seat 9. The position of the frame body 8 corresponds to the gap between the two crushing rollers 6. A porous plate 27 is arranged at the bottom of the frame body 8. Insert blocks 10 are arranged on the outer sides of the left and right side walls of the frame body 8. The tops of the left and right side walls of the frame body 8 are hinged with screws 12 with butterfly nuts 11. The connecting seat 9 includes a screw 12 arranged on the left and right sides of the frame body 8. Two baffles 13 and a plurality of connecting rods 14 fixedly connected between the two baffles 13, the inner sides of the two baffles 13 are provided with slots 15 matching the plug blocks 10 of the frame 8, the tops of the two baffles 13 are provided with mounting holes 16 matching the screws 12 of the frame 8, the plurality of connecting rods 14 are all located below the frame 8, the plurality of connecting rods 14 are spaced apart and arranged in parallel, a plurality of rollers 17 are fixedly provided below the connecting seat 9, and the top of each roller 17 is provided with a mounting seat fixedly connected to the connecting rod 14.

[0030] The driving assembly is located below the screen frame assembly 7 and is used to drive the screen frame assembly 7 to move up and down periodically. The driving assembly includes a rotating rod 18 rotatably connected to the inside of the crushing box 1 and a servo motor 19 arranged outside the crushing box 1. The rotating rod 18 is equipped with a number of cams 20 having the same number as the rollers 17, and the cams 20 correspond to the positions of the rollers 17 one by one. The top of the cam 20 abuts against the bottom of the roller 17. One end of the rotating rod 18 passes through the crushing box 1 and is drivingly connected to the output shaft of the servo motor 19.

[0031] There are four guide assemblies, all of which are located in the crushing box 1, and the four guide assemblies are respectively arranged at the four corners of the screen frame assembly 7, for providing guidance for the up and down movement of the screen frame assembly 7. The guide assembly includes two fixed blocks 21 fixed on the inner wall of the crushing box 1, a guide rod 22 fixedly connected between the two fixed blocks 21, and a connecting block 23 located between the two fixed blocks 21, the guide rod 22 passes through the connecting block 23, the connecting block 23 is fixedly connected to the outer side of the baffle 13 of the connecting seat 9, and a buffer spring 24 is connected between the connecting block 23 and the two fixed blocks 21, and the buffer spring 24 is sleeved on the outside of the guide rod 22.

[0032] In addition, a box door 25 is provided at the front end of the crushing box 1, and an observation window is provided on the box door 25; the box door 25 is convenient for the staff to inspect the equipment in the crushing box 1, remove the frame 8, and clean up the uncrushed large particles on the porous plate 27, and the observation window is convenient for the on-site personnel to check the operation of the equipment in the crushing box 1 in real time. A control panel 26 is also provided on the outside of the crushing box 1, and the crushing motor 5 and the servo motor 19 are both electrically connected to the control panel 26.

[0033] The working principle of the utility model is to put the material to be crushed into the crushing box 1 through the feeding port 2, start the crushing motor 5, drive the crushing roller 6 to rotate, and then pre-crush the material, and the crushed powder falls onto the porous plate 27 of the frame 8, start the servo motor 19, drive the rotating rod 18 to rotate, and then drive the screen frame assembly 7 as a whole to move up and down periodically through the cam 20, so as to accelerate the screening efficiency of the powder on the porous plate 27, wherein the powder particles of qualified particle size fall into the lower hopper 3 and are discharged through the lower feeding port 4, while the unqualified large particle size particles are retained on the porous plate 27. In the process of the screen frame assembly 7 moving up and down, the guide assembly can provide guidance and buffering for the screen frame assembly 7 to avoid excessive shaking of the screen frame assembly 7 and ensure the stability of the screen frame assembly 7 when moving up and down. After the crushing is completed, the staff opens the box door 25, loosens the butterfly nut 11, and turns the screw 12 to disengage the screw 12 from the mounting hole 16 of the connecting seat 9, then pulls out the frame 8 to clean out the materials trapped on the porous plate 27, and then reinstalls the frame 8 to insert the insert block 10 of the frame 8 into the slot 15 of the connecting seat 9, then turns the screw 12 back to make the screw 12 fit into the mounting hole 16 of the connecting seat 9, and tightens the butterfly nut 11 to fix the frame 8, and finally closes the box door 25.

[0034] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A pre-crushing device for the production of pesticide suspension, comprising a crushing box, a crushing mechanism and a vibrating screening mechanism, characterized in that: The top of the crushing box is provided with a feeding port, the bottom of the crushing box is provided with a lower hopper, and the bottom of the lower hopper is provided with a lowering port; The pulverizing mechanism includes a pulverizing motor arranged outside the pulverizing box and two pulverizing rollers arranged inside the pulverizing box. The two pulverizing rollers are arranged front and back opposite to each other, and the roller shafts of the pulverizing rollers pass through the pulverizing box and are drivingly connected to the output shaft of the pulverizing motor. The vibrating screening mechanism includes a screen frame assembly, a driving assembly and a guide assembly. The screen frame assembly is arranged inside the crushing box and below the crushing mechanism. The screen frame assembly includes a frame body and a connecting seat. A perforated plate is arranged at the bottom of the frame body. Blocks are arranged on the outer sides of the left and right side walls of the frame body. The tops of the left and right side walls of the frame body are hinged with screws with butterfly nuts. The connecting seat includes two baffles arranged on the left and right sides of the frame body and a plurality of connecting rods fixedly connected between the two baffles. Slots matching the blocks of the frame body are arranged on the inner sides of the two baffles. Mounting holes matching the screws of the frame body are opened on the tops of the two baffles. The plurality of connecting rods are located below the frame body. The plurality of connecting rods are arranged at intervals and in parallel. A plurality of rollers are fixedly arranged below the connecting seat. The driving assembly is located below the screen frame assembly and is used to drive the screen frame assembly to move up and down periodically. There are four guide assemblies, all of which are located in the crushing box. The four guide assemblies are respectively arranged at the four corners of the screen frame assembly and are used to provide guidance for the up and down movement of the screen frame assembly.

2. The pre-crushing device for the production of pesticide suspension according to claim 1, characterized in that: The driving assembly includes a rotating rod rotatably connected to the inside of the crushing box and a servo motor arranged outside the crushing box. A number of cams equal to the number of rollers are installed on the rotating rod, and the cams correspond to the positions of the rollers one by one. The top end of the cam abuts against the bottom end of the roller. One end of the rotating rod passes through the crushing box and is connected to the output shaft of the servo motor.

3. The pre-crushing device for the production of pesticide suspension according to claim 2, characterized in that: The guide assembly includes two fixed blocks fixed on the inner wall of the crushing box, a guide rod fixedly connected between the two fixed blocks, and a connecting block located between the two fixed blocks. The guide rod passes through the connecting block, and the connecting block is fixedly connected to the outer side of the baffle of the connecting seat. A buffer spring is connected between the connecting block and the two fixed blocks, and the buffer spring is sleeved on the outside of the guide rod.

4. The pre-crushing device for the production of pesticide suspension according to claim 3, characterized in that: A discharge valve is provided at the discharge port of the crushing box.

5. The pre-crushing device for the production of pesticide suspension according to claim 4, characterized in that: A box door is arranged at the front end of the crushing box, and an observation window is arranged on the box door.

6. The pre-crushing device for the production of pesticide suspension according to claim 5, characterized in that: A control panel is also arranged outside the crushing box, and the crushing motor and the servo motor are both electrically connected to the control panel.

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