Vacuum mixing device for preparing Xinhui pericarpium citri reticulatae standard sample

Abstract

The utility model relates to the technical field of standard sample preparation, in particular to a vacuum mixing device for preparing a Xinhui pericarpium citri reticulatae standard sample, which improves the stirring and mixing effects, uniformly mixes materials, ensures the material mixing quality, improves the material discharge efficiency and improves the working efficiency. Comprising a mixing barrel, the top of the mixing barrel is provided with a top cover, the middle of the top cover is connected with a feeding pipe, the top of the feeding pipe is covered with a sealing cover, the bottom of the sealing cover is provided with a sealing block matched with the feeding pipe, and the left end and the right end of the top cover are provided with vacuumizers; the input end of the vacuumizer is communicated with the interior of the exhaust cylinder, a stirring mechanism is installed in the mixing barrel, the left end and the right end of the mixing barrel are installed on a shaking mechanism, a discharging assembly is installed at the bottom of the mixing barrel, and the lower portion of the discharging assembly is connected with a conveying assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of standard sample preparation, in particular to a vacuum mixing device for preparing a Xinhui tangerine peel standard sample. Background Art

[0002] Xinhui tangerine peel, a specialty of Xinhui District, Jiangmen City, Guangdong Province, is a national geographical indication product of China and is known as one of the "Three Treasures of Guangdong". At present, there is no standard sample related to the heavy metal content of Xinhui tangerine peel in China. The lack of standard samples does not provide an intuitive method to determine the correctness of the test results of heavy metals in Xinhui tangerine peel, which brings great risks to the inspection and supervision work. If the same test content carried out by different personnel at different times and in different laboratories can be traced back to the standard samples of the same validity, their measurement results will be comparable. Only with comparison can there be identification. The measurement result that can identify the quality is a reliable result and can be effectively used for measurement purposes. The metal oxides are ground into powders with a particle size of about 1um by a ball mill, mixed with Xinhui tangerine peel powder, stabilizer and diffusant, mixed and mixed by vacuum stirring and degassing, and vacuum dried to make a standard sample of Xinhui tangerine peel containing lead and cadmium. Therefore, a vacuum mixing equipment is needed. Prior art publication number CN210905987U proposes a vacuum mixing device for food production, including a mixing tank, a top cover is installed at the upper end of the mixing tank, a feed port and a first motor are arranged on the upper surface of the top cover, a stirring shaft is fixed on the output shaft at the lower end of the first motor, the stirring shaft extends to the inside of the mixing tank, and stirring blades are arranged on the outer wall of the stirring shaft in sequence, an ultrasonic generator is installed on the inner wall of the mixing tank, and two ultrasonic generators are arranged, a crushing box is arranged between the feed port and the mixing tank, and a second motor is installed at both ends of the crushing box. However, the mixing uniformity is not high, there is a dead angle for mixing, the materials cannot be fully mixed, and the materials may be blocked at the discharge port during discharging, which will affect the use efficiency of the device. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a vacuum mixing device for preparing Xinhui tangerine peel standard samples, which improves the stirring and mixing effect, makes materials mix evenly, ensures the material mixing quality, improves the material discharge efficiency, and improves the work efficiency.

[0004] The utility model discloses a vacuum mixing device for preparing a standard sample of Xinhui dried tangerine peel, comprising a mixing barrel, a top cover is installed on the top of the mixing barrel, a feeding tube is connected to the middle of the top cover, a sealing cover is installed on the top cover of the feeding tube, a sealing block matching the feeding tube is installed on the bottom of the sealing cover, a vacuum pump is installed on the left and right ends of the top cover, a vacuum cylinder is fixedly installed on the bottom of the top cover, a filter screen is arranged at the bottom of the vacuum cylinder, an input end of the vacuum pump is communicated with the inside of the vacuum cylinder, a stirring mechanism is installed inside the mixing barrel, the left and right ends of the mixing barrel are installed on the shaking mechanism, a discharging assembly is installed at the bottom of the mixing barrel, and a discharging assembly is arranged on the bottom of the mixing barrel. The lower part of the material component is connected with a conveying component; the material is input into the mixing barrel through the feeding pipe, the sealing cover is installed on the top of the feeding pipe to seal the inside of the mixing barrel, the vacuum machine is started to vacuum the inside of the mixing barrel, the vacuum cylinder can prevent the material from entering the vacuum machine and causing damage, the mixing component is started to stir and mix the material inside the mixing barrel, and the shaking mechanism drives the mixing barrel to shake back and forth at the same time, so that the material is evenly mixed and the stirring and mixing effect is improved. After the mixing is completed, the discharging component is opened to discharge the material from the mixing barrel through the conveying component, thereby improving the material discharge efficiency and the work efficiency.

[0005] Preferably, the shaking mechanism includes two rotating shafts, two brackets, a base plate, a driving box, a gear, a reciprocating motor and a driving gear. The rotating shaft is fixedly mounted on the middle of the left and right side walls of the mixing barrel, the rotating shaft is rotatably mounted on the upper part of the bracket, the bottom of the bracket is fixedly mounted on the top of the base plate, a gear is fixedly mounted on the right rotating shaft, the driving box is mounted on the outer wall of the bracket, the reciprocating motor is fixedly mounted inside the driving box, and a driving gear is mounted on the output end of the reciprocating motor, and the driving gear is meshed with the gear; when mixing, the reciprocating motor is started to drive the rotating shaft to rotate through the driving gear and the gear, thereby driving the mixing barrel to shake back and forth, so that the material in the mixing barrel is shaken, the degree of material mixing is ensured, and the material is fully mixed.

[0006] Preferably, the stirring mechanism includes a mixing motor, a motor box, a stirring shaft, a plurality of first stirring frames, a plurality of second stirring frames and a plurality of stirring rods. The motor box is fixedly installed at the bottom of the mixing barrel, the mixing motor is installed inside the motor box, the output end of the mixing motor passes through the bottom of the mixing barrel and is fixedly connected to the stirring shaft, a plurality of first stirring frames are installed on the upper part of the stirring shaft, a plurality of second stirring frames are installed on the lower part of the stirring shaft, a plurality of stirring rods are installed on the first stirring frame and the second stirring frame, and the first stirring frame and the second stirring frame are arranged opposite to each other; starting the mixing motor drives the stirring shaft to rotate, the stirring shaft drives the first stirring frame and the second stirring frame to rotate, the materials are mixed, and at the same time the stirring rods are driven to rotate, so as to increase the stirring area, reduce the stirring dead angle, and improve the mixing effect.

[0007] Preferably, a plurality of scraper plates are fixedly connected to the bottom outer wall of the stirring shaft, and the scraper plates are arranged to have the same shape as the bottom end of the mixing barrel. Bolt blades are installed on the lower outer wall of the stirring shaft. When the stirring shaft rotates, the scraper plates are driven to rotate to push the bottom of the mixing barrel to prevent the material from accumulating at the bottom and affecting the discharge. At the same time, the stirring shaft drives the bolt blades to rotate to transport the lower material upward, further improving the mixing effect and ensuring the quality of material mixing.

[0008] Preferably, the discharging assembly includes an annular plate, a pinion gear and a small motor. An annular groove is provided at the bottom of the mixing barrel. The annular plate is sealingly rotatably installed in the annular groove. A driving groove is provided on one side of the annular groove. The pinion gear is rotatably installed in the driving groove. Teeth are provided on the outer wall of the annular plate and mesh with the pinion gear. The input end of the pinion gear is connected with the output end of the small motor. The small motor is installed at the bottom of the mixing barrel. A plurality of discharging holes are axially provided on the bottom of the mixing barrel and the annular plate. After the material mixing is completed, the small motor is started to drive the pinion gear to rotate, and the pinion gear drives the annular plate to rotate in the annular groove, so that the discharging hole of the annular plate corresponds to the discharging hole of the mixing barrel, so that the material is discharged from the discharging hole.

[0009] Preferably, the conveying assembly includes a discharging hopper, a conveying cylinder, a conveying shaft, a conveying auger and an annular extension plate. The discharging hopper is installed at the bottom of the mixing barrel. The bottom of the discharging hopper is connected to the conveying cylinder. The front end of the conveying cylinder is provided with an output pipe. The conveying shaft is rotatably installed inside the conveying cylinder. The input end of the conveying shaft passes through the rear side wall of the conveying cylinder and is connected to the output end of the conveying motor. A conveying auger is installed on the outer wall of the conveying shaft. After being discharged through the discharging hole, the material falls into the discharging hopper and is guided to the conveying cylinder through the discharging hopper. The conveying motor is started to drive the conveying shaft to rotate. The conveying shaft drives the conveying auger to rotate and the material is discharged through the output pipe, thereby improving the material discharge efficiency and the work efficiency.

[0010] Preferably, an annular extension plate is installed at the top of the mixing barrel and the bottom of the top cover, and the annular extension plate is connected by a plurality of fixing bolts. A conical block is installed on the top of the stirring shaft, and the conical block is located below the output end of the feeding pipe. The conical block can be used to disperse and guide the material added to the mixing barrel, so that the material is evenly dispersed inside the mixing barrel. The top cover and the mixing barrel are connected by bolts, which is convenient for disassembly, and for inspection and maintenance of the inside of the mixing barrel, thereby improving convenience.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the material is input into the mixing barrel through the feeding tube, the sealing cover is installed on the top of the feeding tube to seal the inside of the mixing barrel, the vacuum machine is started to vacuum the inside of the mixing barrel, the vacuum cylinder can prevent the material from entering the vacuum machine and causing damage, the mixing component is started to stir and mix the material inside the mixing barrel, and the shaking mechanism drives the mixing barrel to shake back and forth at the same time, so that the material is evenly mixed and the stirring and mixing effect is improved. After the mixing is completed, the discharging component is opened to discharge the material from the mixing barrel through the conveying component, thereby improving the material discharge efficiency and the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1. mixing barrel; 2. top cover; 3. vacuum pump; 4. vacuum cylinder; 5. feeding pipe; 6. sealing cover; 7. sealing block; 8. rotating shaft; 9. bracket; 10. bottom plate; 11. driving box; 12. gear; 13. reciprocating motor; 14. driving gear; 15. mixing motor; 16. motor box; 17. stirring shaft; 18. conical block; 19. first stirring frame; 20. second stirring frame; 21. stirring rod; 22. scraper plate; 23. bolt blade; 24. annular plate; 25. pinion; 26. small motor; 27. discharge hopper; 28. conveying cylinder; 29. ​​conveying shaft; 30. conveying auger; 31. conveying motor; 32. annular extension plate. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figures 1 to 4As shown, a top cover 2 is installed on the top of the mixing barrel 1, a feeding pipe 5 is connected to the middle of the top cover 2, a sealing cover 6 is installed on the top cover of the feeding pipe 5, a sealing block 7 matching the feeding pipe 5 is installed on the bottom of the sealing cover 6, a vacuum pump 3 is installed on the left and right ends of the top cover 2, a vacuum cylinder 4 is fixedly installed on the bottom of the top cover 2, a filter screen is arranged at the bottom of the vacuum cylinder 4, the input end of the vacuum pump 3 is connected with the inside of the vacuum cylinder 4, a rotating shaft 8 is fixedly installed on the middle of the left and right side walls of the mixing barrel 1, the rotating shaft 8 is rotatably installed on the upper part of the bracket 9, the bottom of the bracket 9 is fixedly installed on the top of the bottom plate 10, a gear 12 is fixedly installed on the right rotating shaft 8, a driving box 11 is installed on the outer wall of the bracket 9, a reciprocating motor 13 is fixedly installed inside the driving box 11, a driving gear 14 is installed on the output end of the reciprocating motor 13, the driving gear 14 is meshed with the gear 12, and a motor box 16 is fixedly installed on the mixing barrel 1 The bottom of the mixing barrel 1, the mixing motor 15 is installed inside the motor box 16, the output end of the mixing motor 15 passes through the bottom of the mixing barrel 1 and is fixedly connected to a stirring shaft 17, a plurality of first stirring frames 19 are installed on the upper part of the stirring shaft 17, a plurality of second stirring frames 20 are installed on the lower part of the stirring shaft 17, a plurality of stirring rods 21 are installed on the first stirring frame 19 and the second stirring frame 20, the first stirring frame 19 and the second stirring frame 20 are arranged opposite to each other, an annular groove is provided at the bottom of the mixing barrel 1, an annular plate 24 is sealingly and rotatably installed in the annular groove, a driving groove is provided on one side of the annular groove, a pinion 25 is rotatably installed in the driving groove, teeth are provided on the outer side wall of the annular plate 24, and meshes with the pinion 25, the input end of the pinion 25 is connected to the output end of the small motor 26, the small motor 26 is installed at the bottom of the mixing barrel 1, and a plurality of discharge holes are axially provided on the bottom of the mixing barrel 1 and the annular plate 24;

[0021] The material is input into the mixing barrel 1 through the feeding pipe 5, and the sealing cover 6 is installed on the top of the feeding pipe 5 to seal the inside of the mixing barrel 1. The vacuum pump 3 is started to vacuum the inside of the mixing barrel 1. The air pump 4 can prevent the material from entering the vacuum pump 3 and causing damage. The mixing motor 15 is started to drive the stirring shaft 17 to rotate, and the stirring shaft 17 drives the first stirring frame 19 and the second stirring frame 20 to rotate to mix the materials, and at the same time drives the stirring rod 21 to rotate, thereby increasing the stirring area, reducing the stirring dead angle, and improving the mixing effect. During mixing, the reciprocating motor 13 is started to drive the rotating shaft 8 to rotate through the driving gear 14 and the gear 12, thereby driving the mixing barrel 1 to reciprocate and shake, so that the material shakes in the mixing barrel 1, ensuring the mixing degree of the material, and fully mixing the material. After the material mixing is completed, the small motor 26 is started to drive the pinion 25 to rotate, and the pinion 25 drives the annular plate 24 to rotate in the annular groove, so that the discharge hole of the annular plate 24 corresponds to the discharge hole of the mixing barrel 1, so that the material is discharged at the discharge hole.

[0022] Example 2

[0023] like Figures 3 to 5 As shown, on the basis of Example 1, an annular extension plate 32 is installed at the top of the mixing barrel 1 and the bottom of the top cover 2, and the annular extension plate 32 is connected by a plurality of fixing bolts, a conical block 18 is installed on the top of the stirring shaft 17, and the conical block 18 is located below the output end of the feeding pipe 5, and a plurality of scraping plates 22 are fixedly connected to the bottom outer wall of the stirring shaft 17, and the scraping plates 22 are set to have the same shape as the bottom end of the mixing barrel 1, and bolt blades 23 are installed on the lower outer wall of the stirring shaft 17, a discharge hopper 27 is installed at the bottom of the mixing barrel 1, and a conveying cylinder 28 is connected to the bottom of the discharge hopper 27, and an output pipe is provided at the front end of the conveying cylinder 28, and a conveying shaft 29 is rotatably installed inside the conveying cylinder 28, and the input end of the conveying shaft 29 passes through the rear side wall of the conveying cylinder 28 and is connected to the output end of the conveying motor 31, and a conveying auger 30 is installed on the outer wall of the conveying shaft 29;

[0024] The conical block 18 can be used to disperse and guide the material added to the mixing barrel 1, so that the material is evenly dispersed inside the mixing barrel 1. The top cover 2 and the mixing barrel 1 are connected by bolts, which are easy to disassemble and easy to inspect and maintain the inside of the mixing barrel 1, thereby improving convenience. When the stirring shaft 17 rotates, the scraper plate 22 is driven to rotate to push the bottom of the mixing barrel 1 to prevent the material from accumulating at the bottom and affecting the discharge. At the same time, the stirring shaft 17 drives the bolt blade 23 to rotate to transport the lower material upward, further improving the mixing effect and ensuring the material mixing quality. After being discharged through the discharge hole, the material falls into the discharge hopper 27 and is guided to the conveying cylinder 28 through the discharge hopper 27. The conveying motor 31 is started to drive the conveying shaft 29 to rotate, and the conveying shaft 29 drives the conveying auger 30 to rotate to discharge the material through the output pipe, thereby improving the material discharge efficiency and the work efficiency.

[0025] like Figures 1 to 5As shown, the utility model is a vacuum mixing device for preparing a standard sample of Xinhui dried tangerine peel. When it is working, the material is input into the mixing barrel 1 through the feeding tube 5, the sealing cover 6 is installed on the top of the feeding tube 5 to seal the inside of the mixing barrel 1, the vacuum pump 3 is started to vacuum the inside of the mixing barrel 1, and the air pump 4 can prevent the material from entering the vacuum pump 3 and causing damage, and the mixing motor 15 is started to drive the stirring shaft 17 to rotate, and the stirring shaft 17 drives the first stirring frame 19 and the second stirring frame 20 to rotate to mix the materials, and at the same time drives the stirring rod 21 to rotate, thereby increasing the stirring area and reducing the stirring dead angle, and at the same time starts the reciprocating motor 13 to drive the rotating shaft 8 to rotate through the driving gear 14 and the gear 12, thereby driving the mixing barrel 1 to shake back and forth, so that the material When the mixing barrel 1 is shaken, the agitator shaft 17 rotates and drives the scraper plate 22 to rotate, pushing the bottom of the mixing barrel 1 to prevent the material from accumulating at the bottom and affecting the discharge. At the same time, the agitator shaft 17 drives the bolt blade 23 to rotate, and transports the lower material upward to further improve the mixing effect. After the material is mixed, the small motor 26 is started to drive the pinion 25 to rotate, and the pinion 25 drives the annular plate 24 to rotate in the annular groove, so that the discharge hole of the annular plate 24 corresponds to the discharge hole of the mixing barrel 1, so that the material is discharged from the discharge hole. After being discharged through the discharge hole, the material falls into the discharge hopper 27, and is guided to the conveying cylinder 28 through the discharge hopper 27. The conveying motor 31 is started to drive the conveying shaft 29 to rotate, and the conveying shaft 29 drives the conveying auger 30 to rotate, and the material is discharged through the output pipe.

[0026] The vacuum machine 3, reciprocating motor 13, mixing motor 15, small motor 26 and conveying motor 31 of the vacuum mixing device for preparing Xinhui tangerine peel standard samples of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A vacuum mixing device for preparing a Xinhui dried orange peel standard sample, characterized in that: The invention comprises a mixing barrel (1), wherein a top cover (2) is installed on the top of the mixing barrel (1), a feeding pipe (5) is connected to the middle of the top cover (2), a sealing cover (6) is installed on the top cover of the feeding pipe (5), a sealing block (7) matching the feeding pipe (5) is installed on the bottom of the sealing cover (6), a vacuum pump (3) is installed on the left and right ends of the top cover (2), a vacuum cylinder (4) is fixedly installed on the bottom of the top cover (2), a filter screen is arranged at the bottom of the vacuum cylinder (4), an input end of the vacuum pump (3) is connected to the inside of the vacuum cylinder (4), a stirring mechanism is installed inside the mixing barrel (1), the left and right ends of the mixing barrel (1) are installed on the shaking mechanism, a discharging assembly is installed on the bottom of the mixing barrel (1), and the lower part of the discharging assembly is connected to the conveying assembly.

2. A vacuum mixing device for preparing a Xinhui dried tangerine peel standard sample as claimed in claim 1, characterized in that, The shaking mechanism comprises two rotating shafts (8), two brackets (9), a bottom plate (10), a driving box (11), a gear (12), a reciprocating motor (13) and a driving gear (14); the rotating shaft (8) is fixedly mounted at the middle of the left and right side walls of the mixing barrel (1); the rotating shaft (8) is rotatably mounted on the upper part of the bracket (9); the bottom of the bracket (9) is fixedly mounted on the top of the bottom plate (10); the gear (12) is fixedly mounted on the right rotating shaft (8); the driving box (11) is mounted on the outer wall of the bracket (9); the reciprocating motor (13) is fixedly mounted inside the driving box (11); the output end of the reciprocating motor (13) is mounted with a driving gear (14); and the driving gear (14) is meshed with the gear (12).

3. A vacuum mixing device for preparing a Xinhui dried tangerine peel standard sample as claimed in claim 1, characterized in that, The stirring mechanism comprises a mixing motor (15), a motor box (16), a stirring shaft (17), a plurality of first stirring racks (19), a plurality of second stirring racks (20) and a plurality of stirring rods (21); the motor box (16) is fixedly mounted on the bottom of the mixing barrel (1); the mixing motor (15) is mounted inside the motor box (16); the output end of the mixing motor (15) passes through the bottom of the mixing barrel (1) and is fixedly connected to the stirring shaft (17); the upper part of the stirring shaft (17) is mounted with a plurality of first stirring racks (19); the lower part of the stirring shaft (17) is mounted with a plurality of second stirring racks (20); the first stirring rack (19) and the second stirring rack (20) are both mounted with a plurality of stirring rods (21); the first stirring rack (19) and the second stirring rack (20) are arranged opposite to each other.

4. A vacuum mixing device for preparing a Xinhui dried tangerine peel standard sample as claimed in claim 3, characterized in that, A plurality of scraping plates (22) are fixedly connected to the bottom outer wall of the stirring shaft (17), and the scraping plates (22) are arranged in the same shape as the bottom end of the mixing barrel (1). Bolt blades (23) are installed on the lower outer wall of the stirring shaft (17).

5. A vacuum mixing device for preparing a Xinhui dried tangerine peel standard sample as claimed in claim 1, characterized in that, The discharge assembly comprises an annular plate (24), a pinion gear (25) and a small motor (26). An annular groove is provided at the bottom of the mixing barrel (1). The annular plate (24) is sealed and rotatably mounted in the annular groove. A driving groove is provided on one side of the annular groove. The pinion gear (25) is rotatably mounted in the driving groove. Teeth are provided on the outer wall of the annular plate (24) and mesh with the pinion gear (25). The input end of the pinion gear (25) is connected to the output end of the small motor (26). The small motor (26) is mounted at the bottom of the mixing barrel (1). A plurality of discharge holes are axially provided on the bottom of the mixing barrel (1) and the annular plate (24).

6. A vacuum mixing device for preparing a Xinhui dried tangerine peel standard sample as claimed in claim 1, characterized in that, The conveying assembly comprises a discharge hopper (27), a conveying cylinder (28), a conveying shaft (29), a conveying auger (30) and an annular extension plate (32). The discharge hopper (27) is installed at the bottom of the mixing barrel (1). The bottom of the discharge hopper (27) is connected to the conveying cylinder (28). The front end of the conveying cylinder (28) is provided with an output pipe. The conveying shaft (29) is rotatably installed inside the conveying cylinder (28). The input end of the conveying shaft (29) passes through the rear side wall of the conveying cylinder (28) and is connected to the output end of the conveying motor (31). The conveying auger (30) is installed on the outer wall of the conveying shaft (29).

7. A vacuum mixing device for preparing a Xinhui dried tangerine peel standard sample as claimed in claim 3, characterized in that: An annular extension plate (32) is installed between the top of the mixing barrel (1) and the bottom of the top cover (2), and the annular extension plate (32) is connected by a plurality of fixing bolts. A conical block (18) is installed on the top of the stirring shaft (17), and the conical block (18) is located below the output end of the feeding pipe (5).

Images