Product grading and screening device for novolac production

Abstract

The utility model discloses a product grading and screening device for production of noseamine, and relates to the technical field of screening devices, the product grading and screening device comprises a screening machine, the front side of the outer surface of the screening machine is fixedly connected with a console, the middle part of the top end of the screening machine is provided with a plurality of screening net cylinders which are stacked up and down, and the top end of the screening machine is fixedly connected with a fixing frame. Through mutual cooperation of the connecting sleeve, the annular inserting groove, the inserting ring, the filter screen, the fixing mechanism, the fixing clamping groove, the driving table, the rotating disc and the material combing frame, when the screening net barrels are stacked, the inserting ring is inserted into the annular inserting groove, and the screening net barrels can be stacked; and the connected screening net barrel can be fixed through a fixing mechanism and a fixing clamping groove, then a driving table drives a rotating disc to rotate, a combing frame can comb raw materials on a filter screen, blocking of the novolac raw materials is avoided, and the screening effect on the novolac raw materials is better.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a product grading and screening device for the production of pure amine. Background Art

[0002] Chunniamine is an important pharmaceutical intermediate used to synthesize non-peptide angiotensin II receptor inhibitor antihypertensive drugs. It is currently mainly used to synthesize telmisartan. When producing chunniamine, the chunniamine raw materials need to be graded and screened through a screening device to make the processing of chunniamine more convenient.

[0003] The existing technology has the following problems:

[0004] The existing grading and screening device for products used in the production of pure amine achieves the effect of grading and screening by setting up multiple layers of screens during screening. However, the vibration of the multiple layers of screens is achieved by a unified vibration mechanism, and the vibration will gradually weaken as it is transmitted layer by layer, resulting in poor screening effect at the high level, which is not conducive to the screening processing of pure amine raw materials. Utility Model Content

[0005] The utility model provides a product grading and screening device for producing pure amine, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A product grading and screening device for the production of pure nitropropene includes a screening machine, a control console is fixedly connected to the front side of the outer surface of the screening machine, a plurality of screening mesh cylinders stacked up and down are arranged in the middle of the top of the screening machine, and a fixing frame is fixedly connected to the top of the screening machine.

[0008] The screening mesh cylinder includes a connecting sleeve, which is arranged at the top of the screening machine. Annular slots are separately provided on the inner surface of the connecting sleeve. The bottom end of the connecting sleeve is fixedly connected to a plug-in ring. The bottom end of the inner surface of the connecting sleeve is fixedly connected to a filter screen. Three fixing mechanisms are provided in an annular array below the outer surface of the connecting sleeve. Three fixed card slots are provided in an annular array on the inner surface of the annular slot. The middle part of the filter screen is fixedly connected to a driving platform that passes through it from top to bottom. A rotating disk is provided on the top of the driving platform. The outer surface annular array of the rotating disk is fixedly connected to three combing racks.

[0009] A further improvement of the technical solution of the present utility model is that: the fixing mechanism includes a knob, and the three knobs are movably connected in a circular array below the outer surface of the connecting sleeve. The knob is fixedly connected to a transmission screw on the side close to the connecting sleeve, and a sliding groove 1 is opened in a circular array at the lower interior of the connecting sleeve. The end of the transmission screw away from the knob passes through the interior of the sliding groove 1 and is threadedly connected to a sliding column on the outer surface.

[0010] A further improvement of the technical solution of the present utility model is that: the end of the sliding column away from the transmission screw is fixedly connected to an L-shaped clamping plate, and the L-shaped clamping plate is slidably connected to the inside of the sliding groove and the end away from the sliding column passes through the outer surface of the plug-in ring.

[0011] A further improvement of the technical solution of the present utility model is that: the driving platform includes a connecting column, the connecting column is fixedly connected to the middle part of the filter screen, the middle part of the top end of the connecting column is fixedly connected to a double-headed motor, the top output shaft of the double-headed motor is fixedly connected to the bottom of the rotating disk, and the bottom output shaft of the double-headed motor passes through the bottom of the connecting column and is fixedly connected to a rotating top frame.

[0012] A further improvement of the technical solution of the present utility model is that a knocking plate is provided at the bottom end of the connecting column, and sliding pull plates are fixedly connected to both sides of the top left side of the knocking plate, and sliding grooves 2 are opened on both sides of the left and right sides inside the connecting column, and the top end of the sliding pull plate passes through the interior of the sliding groove 2 and is fixedly connected to a tightening spring.

[0013] A further improvement of the technical solution of the present utility model is that the fixed frame includes three supporting sleeves, the three supporting sleeves are fixedly connected to the top of the screening machine in an annular array, and a top cover is fixedly connected to the top of the three supporting sleeves.

[0014] A further improvement of the technical solution of the present utility model is that: a driving motor is fixedly connected to the top of the top cover, a movable groove is opened inside the top cover, the output shaft of the driving motor passes through the inside of the movable groove and is fixedly connected to a driving wheel, the driving wheel is movably connected inside the movable groove, and the outer surface of the driving wheel is meshed with three driven wheels in an annular array.

[0015] A further improvement of the technical solution of the present utility model is that: the bottom end of the fixing mechanism is fixedly connected with a threaded column, the bottom end of the threaded column penetrates into the interior of the support sleeve and the outer surface is threadedly connected with a sliding pressure plate, and the sliding pressure plate is slidably connected to the outer surface of the support sleeve.

[0016] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0017] 1. The utility model provides a product grading and screening device for the production of pure nitropropene. Through the mutual cooperation among the connecting sleeve, the annular slot, the plug-in ring, the filter screen, the fixing mechanism, the fixed slot, the driving platform, the rotating disk, and the combing rack, when the screening mesh cylinders are stacked, the plug-in ring is inserted into the annular slot, the screening mesh cylinders can be stacked, and the connected screening mesh cylinders can be fixed by the fixing mechanism and the fixed slot. Thereafter, the rotating disk is driven to rotate by the driving platform, so that the combing rack can comb the raw materials on the filter screen to avoid clogging of the pure nitropropene raw materials, thereby achieving a better screening effect on the pure nitropropene raw materials.

[0018] 2. The utility model provides a product grading and screening device for the production of pure amine. Through the mutual cooperation among the support sleeve, top cover, drive motor, active wheel, driven wheel, threaded column, and sliding pressure plate, by starting the drive motor, the active wheel can drive the driven wheel to rotate, thereby driving the threaded column to rotate, and the sliding pressure plate can slide along the support sleeve, so that the screening mesh cylinder can be pressed and fixed, avoiding the screening mesh cylinder from tilting and collapsing during vibration screening, making the screening device more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the screening mesh cylinder of the present invention;

[0021] Figure 3 This is a schematic cross-sectional view of the fixing mechanism of the present invention;

[0022] Figure 4 This is a schematic cross-sectional structural diagram of the drive platform of the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the fixing frame of the utility model.

[0024] In the figure: 1. Screening machine; 2. Control console; 3. Screening mesh cylinder; 31. Connecting sleeve; 32. Annular slot; 33. Plug ring; 34. Filter screen; 35. Fixing mechanism; 351. Knob; 352. Drive screw; 353. Sliding column; 354. L-shaped card plate; 36. Fixing slot; 37. Driving platform; 371. Connecting column; 372. Double-headed motor; 373. Rotating top frame; 374. Knocking plate; 375. Sliding pull plate; 376. Tightening spring; 38. Rotating disk; 39. Combing frame; 4. Fixing frame; 41. Support sleeve; 42. Top cover; 43. Driving motor; 44. Driving wheel; 45. Driven wheel; 46. Threaded column; 47. Sliding pressure plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods:

[0026] like Figure 1-2 As shown, the utility model provides a product grading and screening device for the production of pure amine, comprising a screening machine 1, a control console 2 being fixedly connected to the outer front side of the screening machine 1, a plurality of screening mesh cylinders 3 stacked up and down are provided in the middle of the top of the screening machine 1, a fixing frame 4 is fixedly connected to the top of the screening machine 1, the screening mesh cylinder 3 comprises a connecting sleeve 31, the connecting sleeve 31 is arranged at the top of the screening machine 1, an annular slot 32 is separately provided on the inner surface of the connecting sleeve 31, a plug-in ring 33 is fixedly connected to the bottom end of the connecting sleeve 31, a filter screen 34 is fixedly connected to the bottom end of the inner surface of the connecting sleeve 31, three fixing mechanisms 35 are provided in an annular array below the outer surface of the connecting sleeve 31, three fixed card grooves 36 are provided in an annular array on the inner surface of the annular slot 32, a driving platform 37 running through the upper and lower parts is fixedly connected to the middle part of the filter screen 34, a rotating disk 38 is provided at the top of the driving platform 37, and three combing racks 39 are fixedly connected to the annular array on the outer surface of the rotating disk 38;

[0027] When screening the pure nitropropene raw material, the screening mesh cylinder 3 will be placed on the top of the screening machine 1, and by inserting the plug-in ring 33 into the annular slot 32, the screening mesh cylinders 3 can be stacked, and the connected screening mesh cylinders 3 can be fixed by the fixing mechanism 35 and the fixing slot 36. Then, the raw material will be placed in the topmost screening mesh cylinder 3, and the screening mesh cylinder 3 can be fixed by the fixing frame 4. Then, the rotating disk 38 is driven to rotate by the driving platform 37, so that the combing frame 39 can comb the pure nitropropene raw material on the filter screen 34 to avoid blockage of the pure nitropropene raw material, thereby achieving a better screening effect on the pure nitropropene raw material.

[0028] like Figure 3 As shown, the utility model provides a product grading and screening device for the production of pure amine, the fixing mechanism 35 includes a knob 351, and three knobs 351 are movably connected in an annular array to the lower surface of the outer surface of the connecting sleeve 31. The knob 351 is fixedly connected to a transmission screw 352 on the side close to the connecting sleeve 31. A sliding groove 1 is opened in an annular array at the lower interior of the connecting sleeve 31. The transmission screw 352, one end away from the knob 351, penetrates into the interior of the sliding groove 1 and is threadedly connected to a sliding column 353 on the outer surface. The sliding column 353, one end away from the transmission screw 352, is fixedly connected to an L-shaped clamping plate 354. The L-shaped clamping plate 354 is slidably connected to the interior of the sliding groove 1 and one end away from the sliding column 353 penetrates into the outer surface of the plug-in ring 33.

[0029] When stacking the screening mesh cylinders 3, the plug-in ring 33 will be inserted into the annular slot 32. By rotating the knob 351, the transmission screw 352 can be driven to rotate, and the sliding column 353 can be driven to slide, so that the L-shaped clamping plate 354 can be clamped into the inside of the fixed clamping slot 36, which can fix the connected screening mesh cylinders 3 and facilitate the use of the screening mesh cylinder 3.

[0030] like Figure 4 As shown, the utility model provides a product grading and screening device for the production of pure amine, the driving platform 37 includes a connecting column 371, the connecting column 371 is fixedly connected to the middle of the filter screen 34, the middle of the top of the connecting column 371 is fixedly connected to a double-headed motor 372, the top output shaft of the double-headed motor 372 is fixedly connected to the bottom of the rotating disk 38, the bottom output shaft of the double-headed motor 372 passes through the bottom of the connecting column 371 and is fixedly connected to a rotating top frame 373, the bottom end of the connecting column 371 is provided with a knocking plate 374, the top left sides of the knocking plate 374 are fixedly connected to sliding pull plates 375, the left and right sides of the interior of the connecting column 371 are provided with sliding grooves 2, the top of the sliding pull plate 375 passes through the interior of the sliding groove 2 and is fixedly connected to a tightening spring 376;

[0031] By starting the double-headed motor 372, the rotating disk 38 and the combing frame 39 can be driven to rotate, so that the pure amine raw material can be combed to avoid blockage of the pure amine raw material. At the same time, the double-headed motor 372 can also drive the rotating top frame 373 to rotate, so that the knocking plate 374 can be squeezed. Then, under the push of the tightening spring 376, the sliding pull plate 375 can pull the knocking plate 374 to reset, and can knock on the filter screen 34, so that the screening effect of the pure amine raw material is better.

[0032] like Figure 5 As shown, the utility model provides a product grading and screening device for the production of pure amine, the fixed frame 4 includes three supporting sleeves 41, the three supporting sleeves 41 are fixedly connected to the top of the screening machine 1 in an annular array, the top of the three supporting sleeves 41 is fixedly connected to a top cover 42, the top of the top cover 42 is fixedly connected to a driving motor 43, a movable groove is opened inside the top cover 42, the output shaft of the driving motor 43 passes through the inside of the movable groove and is fixedly connected to a driving wheel 44, the driving wheel 44 is movably connected to the inside of the movable groove, the outer surface of the driving wheel 44 is meshed with three driven wheels 45 in an annular array, the bottom end of the fixing mechanism 35 is fixedly connected to a threaded column 46, the bottom end of the threaded column 46 passes through the inside of the supporting sleeve 41 and the outer surface is threadedly connected to a sliding pressure plate 47, and the sliding pressure plate 47 is slidably connected to the outer surface of the supporting sleeve 41;

[0033] When the pure nitroamine raw material is screened through the screening mesh drum 3, by starting the drive motor 43, the active wheel 44 can drive the driven wheel 45 to rotate, thereby driving the threaded column 46 to rotate, and the sliding pressure plate 47 can slide along the support sleeve 41, so that the top of the screening mesh drum 3 can be pressed and fixed, avoiding the screening mesh drum 3 from tilting and collapsing during vibration screening, making the screening device more convenient to use.

[0034] The following is a detailed description of the working principle of the product grading and screening device for the production of pure amine.

[0035] like Figure 1-5 As shown, when the pure nitroamine raw material is screened, the screening mesh cylinder 3 is placed on the top of the screening machine 1, and the plug ring 33 is inserted into the annular slot 32 to stack the screening mesh cylinders 3. The transmission screw 352 can be driven to rotate by the knob 351, so that the sliding column 353 pulls the L-shaped card plate 354 into the interior of the fixed card slot 36, which can fix the connected screening mesh cylinder 3. Then, the raw material is placed in the uppermost screening mesh cylinder 3, and by starting the drive motor 43, the driving wheel 44 can drive the driven wheel 45 to rotate. Thereby, the threaded column 46 can drive the sliding pressure plate 47 to press and fix the top of the screening mesh cylinder 3, and then by starting the double-headed motor 372, the rotating disk 38 and the combing frame 39 can be driven to rotate, so that the pure amine raw material can be combed to avoid blockage of the pure amine raw material. At the same time, the double-headed motor 372 can also drive the rotating top frame 373 to squeeze the knocking plate 374, and under the push of the tightening spring 376, the sliding pull plate 375 can pull the knocking plate 374 to knock the filter screen 34, so that the screening effect of the pure amine raw material is better.

[0036] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A grading and screening device for pure nitroamine production, comprising a screening machine (1), wherein a control console (2) is fixedly connected to the outer front side of the screening machine (1), characterized in that: A plurality of screening mesh cylinders (3) stacked up and down are provided at the middle of the top of the screening machine (1), and a fixing frame (4) is fixedly connected to the top of the screening machine (1); The screening mesh cylinder (3) comprises a connecting sleeve (31), which is arranged at the top of the screening machine (1); an annular slot (32) is separately provided on the inner surface of the connecting sleeve (31); a plug ring (33) is fixedly connected to the bottom end of the connecting sleeve (31); a filter screen (34) is fixedly connected to the bottom end of the inner surface of the connecting sleeve (31); three fixing mechanisms (35) are provided in an annular array below the outer surface of the connecting sleeve (31); three fixing slots (36) are provided in an annular array on the inner surface of the annular slot (32); a driving platform (37) is fixedly connected to the middle part of the filter screen (34) which passes through the upper and lower parts; a rotating disk (38) is provided at the top end of the driving platform (37); and three combing racks (39) are fixedly connected to the outer surface of the rotating disk (38) in an annular array.

2. The device for grading and screening products for pure amine production according to claim 1, characterized in that: The fixing mechanism (35) includes a knob (351), and three knobs (351) are movably connected in an annular array below the outer surface of the connecting sleeve (31). A transmission screw (352) is fixedly connected to the side of the knob (351) close to the connecting sleeve (31). A sliding groove (1) is provided in an annular array below the interior of the connecting sleeve (31). One end of the transmission screw (352) away from the knob (351) passes through the interior of the sliding groove (1) and is threadedly connected to a sliding column (353) on the outer surface.

3. The device for grading and screening products for pure amine production according to claim 2, characterized in that: The end of the sliding column (353) away from the transmission screw (352) is fixedly connected to an L-shaped clamping plate (354), and the L-shaped clamping plate (354) is slidably connected to the inside of the sliding groove and the end away from the sliding column (353) penetrates to the outer surface of the plug ring (33).

4. The device for grading and screening products for pure amine production according to claim 1, characterized in that: The driving platform (37) includes a connecting column (371), the connecting column (371) is fixedly connected to the middle of the filter screen (34), a double-headed motor (372) is fixedly connected to the middle of the top of the connecting column (371), the top output shaft of the double-headed motor (372) is fixedly connected to the bottom of the rotating disk (38), and the bottom output shaft of the double-headed motor (372) passes through the bottom of the connecting column (371) and is fixedly connected to the rotating top frame (373).

5. The device for grading and screening products for pure amine production according to claim 4, characterized in that: A knocking plate (374) is provided at the bottom end of the connecting column (371), and sliding plates (375) are fixedly connected to both sides of the left side of the top of the knocking plate (374). Sliding grooves 2 are provided on both the left and right sides of the interior of the connecting column (371), and the top end of the sliding plate (375) passes through the interior of the sliding groove 2 and is fixedly connected to a tightening spring (376).

6. The device for grading and screening products for pure amine production according to claim 1, characterized in that: The fixed frame (4) comprises three supporting sleeves (41), the three supporting sleeves (41) are fixedly connected to the top of the screening machine (1) in an annular array, and a top cover (42) is fixedly connected to the top of the three supporting sleeves (41).

7. The device for grading and screening products for pure amine production according to claim 6, characterized in that: The top of the top cover (42) is fixedly connected to a driving motor (43), a movable groove is provided inside the top cover (42), an output shaft of the driving motor (43) passes through the inside of the movable groove and is fixedly connected to a driving wheel (44), the driving wheel (44) is movably connected inside the movable groove, and an outer surface of the driving wheel (44) is meshed with three driven wheels (45) in an annular array.

8. The device for grading and screening products for pure amine production according to claim 7, characterized in that: The bottom end of the fixing mechanism (35) is fixedly connected to a threaded column (46), the bottom end of the threaded column (46) penetrates into the interior of the support sleeve (41) and the outer surface is threadedly connected to a sliding pressure plate (47), and the sliding pressure plate (47) is slidably connected to the outer surface of the support sleeve (41).

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