阅读说明：本技术 一种振动均料方法及装置 (Vibration material homogenizing method and device ) 是由 吴永昆 王林宝 李兴蕊 崔璇 董民明 燕维贤 朱清瑞 姚然 陈玉鹏 于 2021-11-06 设计创作，主要内容包括：本发明涉及一种振动均料方法及装置,属于烟草打包技术领域。本方法利用振动方式,并控制振幅,达到布料均匀,利于后续烟包的醇化,提供产品的品质并降低烟包发生霉变的风险,降低烟叶损耗。所采用的装置包括多个分节料仓、升降装置、振动杆、振动发生装置和支架,升降装置设于分节料仓侧边,振动发生装置通过支架与升降装置连接,多个分节料仓竖直堆叠安装、且分节料仓之间设有料仓减振装置。本发明实用性高,能够有效解决烟草行业技术难题。(The invention relates to a vibration material homogenizing method and a device, and belongs to the technical field of tobacco packaging. The method utilizes a vibration mode and controls the amplitude to achieve uniform material distribution, is beneficial to alcoholization of subsequent tobacco bales, provides the quality of products, reduces the risk of mildew of the tobacco bales and reduces the loss of tobacco leaves. The device that adopts includes a plurality of merogenesis storehouses, elevating gear, vibrating arm, vibration generating device and support, and elevating gear locates merogenesis storehouse side, and vibration generating device passes through the support and is connected with elevating gear, a plurality of merogenesis storehouses vertically pile up the installation, and be equipped with feed bin vibration damper between the merogenesis storehouse. The invention has high practicability and can effectively solve the technical problem in the tobacco industry.)

1. A vibration material homogenizing method is characterized in that: the method utilizes a vibration mode and controls the amplitude to achieve uniform distribution, and comprises the following specific steps:

(1) conveying the materials to a material-dividing bin from an upstream conveying device, and descending a vibrating rod;

(2) starting a vibration generating device, a bin shell vibrator of a bottom sectional bin and a material guiding device, and enabling materials to fall;

(3) when the height of the material accumulation is the same as the height of the vibrating rod, the vibrating rod rises, and the speed of the vibrating rod is consistent with the falling speed of the material; meanwhile, the bin shell vibrator of the upper-layer sectional bin is started layer by layer upwards along with the stacking height of the materials, and the bin shell vibrator of the lower-layer sectional bin is closed or continuously vibrated;

(4) after the materials in the sectional material bin reach the preset weight, the vibrating rod rises until the vibrating rod is completely separated from the materials, and the vibration generating device, the bin shell vibrator and the material guide device are closed to finish the work.

2. The vibratory material homogenizing method as claimed in claim 1, wherein: in the step (1), the vibrating rod descends to the bottom of the sectional material bin, so that the bottom of the vibrating rod is contacted with the bottom of the sectional material bin.

3. The vibratory material homogenizing method as claimed in claim 1, wherein: in the step (2), the amplitude of the vibration generating device is 10-15 mm, the amplitude of the bin shell vibrator is 20-25 mm, the swing amplitude of the material guide device is 80-200mm, and the frequency is 20-60 times/min.

4. The vibratory material homogenizing method as claimed in claim 1, wherein: in the step (2), the materials fall into the reactor at a constant speed of 30-70 m/min.

5. The vibratory material homogenizing method as claimed in claim 1, wherein: in the step (3), the rising speed of the vibrating rod and the falling speed of the materials are 5-18 m/min.

6. An apparatus for use in the method of any one of claims 1 to 5, wherein: the device comprises a plurality of section bins (1), a lifting device (8), a vibrating rod (3), a vibration generating device (4) and a support (6), wherein the lifting device (8) is arranged on the side edge of each section bin (1), the vibration generating device (4) is connected with the lifting device (8) through the support (6), the section bins (1) are vertically stacked and installed, bin vibration damping devices (2) are arranged between the section bins (1), the lifting device (8) comprises an inner support frame (8-1) and an outer moving surface (8-2), the inner support frame (8-1) is arranged on the left outer wall surface of the section bin (1), one side of the outer moving surface (8-2) is arranged on the left inner side of the section bin (1) in the vertical direction, the other side of the outer moving surface is arranged on the inner support frame (8-1), and the outer moving surface (8-2) passes through a roller or a gear arranged in the middle of the inner support frame (8-1) or along the inner support frame (8-1) Guiding the track to move; the vibration generating device (4) is connected with the lower end face of the material guiding device (6-1) of the support (6), a vibration damping device (5) is arranged between the vibration generating device (4) and the material guiding device (6-1), and the vibrating rod (3) is installed on the vibration generating device (4) along the vertical direction.

7. The apparatus of claim 6, wherein: a bin shell vibrator (7) is arranged outside the sectional bin (1); the amplitude of the bin shell vibrator (7) is 20-25 mm.

8. The apparatus of claim 6, wherein: the bracket (6) is provided with a detection sensor (9).

9. The apparatus of claim 6, wherein: the material guide device (6-1) is a plurality of distributing plates with controllable swinging degree and frequency.

10. The apparatus of claim 6, wherein: the amplitude of the vibration generating device (4) is 10-15 mm.

Technical Field

The invention relates to a vibration material homogenizing method and a device, in particular to a method and a device for compressing and packaging loose tobacco flakes after redrying in the tobacco industry, and belongs to the technical field of tobacco packaging.

Background

With the continuous development of refined threshing and redrying processes and equipment in China, threshing and redrying enterprises pay more and more attention to the density uniformity of tobacco blanks after being packaged in order to improve the quality of tobacco leaves, and the existing packaging processes and equipment have a certain effect on improving the density uniformity of tobacco blanks after tobacco sheet packaging, but are difficult to achieve the density uniformity required by the processes. When the existing packaging equipment is used, due to the fact that upstream feeding is uneven and the physical state of tobacco leaves can cause the tobacco leaves to form hollow angles in a bridging mode in a storage bin, materials in the storage bin are uneven in distribution before compression, and finally the density uniformity of a tobacco packet after compression and packaging cannot meet requirements. The problem is a common problem to be solved in all tobacco redrying enterprises.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a vibration material homogenizing method and a device, which adopt a vibration mode to improve the phenomena of bridging hollow corners, uneven distribution and the like of tobacco flakes in the blanking and stacking process, so that the tobacco flakes are uniformly distributed in a storage bin before being compressed, and the problem of uneven distribution of materials in a material box is solved.

In order to solve the technical problem, the invention provides a vibration material homogenizing method, which utilizes a vibration mode and controls the amplitude to achieve uniform material distribution, and comprises the following specific steps:

(1) before the material is conveyed to the sectioning bin by the upstream conveying device, the outer moving surface of the lifting device moves clockwise, the support is controlled to descend, the support drives the vibrating rod to descend, and the vibrating rod descends to the bottom of the sectioning bin.

(2) Starting a vibration generating device, a bin shell vibrator of a sectional bin at the bottom and a material guide device, wherein the amplitude of the vibration generating device is 10-15 mm, the amplitude of the bin shell vibrator is 20-25 mm, the swing amplitude of the material guide device is 80-200mm, the frequency of the material guide device is 20-60 times/min, and materials fall at the speed of 30-70 m/min.

(3) When the height of the material stack is the same as the height of the vibrating rod, the outer moving surface of the lifting device moves in the counterclockwise direction, the support is controlled to ascend, the support drives the vibrating rod to ascend, the ascending speed of the vibrating rod is consistent with the stack high speed of the material, and the vibrating rod ascends at a constant speed of 5-18 m/min. Meanwhile, the bin shell vibrator of the upper-layer sectional bin is started layer by layer upwards along with the stacking height of the materials, and the bin shell vibrator of the lower-layer sectional bin is closed or continuously vibrates.

(4) After the materials in the sectional material bin reach the preset weight, the support rises until the vibrating rod is completely separated from the materials, the vibration generating device, all bin shell vibrators and the material guide device are closed, and the support moves out of the sectional material bin.

In the whole blanking process, the detection sensor always detects the uniformity of the tobacco flake distribution and feeds back the uniformity in real time, and the control system adjusts the opening and closing of the vibration generating device and the bin shell vibrator and the vibration frequency and amplitude according to the feedback information. When the material pile height in the material box is detected to be uneven or obvious peak-shaped material piles appear, the vibration amplitude and frequency of the material guide device are increased, the middle feeding is reduced, the side feeding is increased, and the amplitude and frequency are reduced on the contrary.

When the density deviation of the tobacco leaves is more than 15%, the amplitude of the vibration generating device needs to be adjusted to be 12-15mm, the amplitude of the bin shell vibrator is 22-25mm, the swing amplitude of the material guide device is 60-80mm, and the frequency is 30-40 times/min.

When the density deviation of the tobacco leaves is less than 15%, the amplitude of the vibration generating device needs to be adjusted to 10-12mm, the amplitude of the bin shell vibrator is 20-22mm, the swing amplitude of the material guide device is 40-60mm, and the frequency is 20-30 times/min.

An apparatus for the method according to the above claims, which comprises a plurality of sectional bins 1, a lifting device 8, a vibrating rod 3, a vibration generating device 4 and a support 6, wherein the lifting device 8 is arranged at the side of the sectional bin 1, the vibration generating device 4 is connected with the lifting device 8 through the support 6, and the area of the support 6 is smaller than the cross-sectional area of the sectional bin 1.

The multiple sectional bins 1 are vertically stacked and installed, bin vibration dampers 2 are arranged among the sectional bins 1, each lifting device 8 comprises an inner support frame 8-1 and an outer moving surface 8-2, the inner support frame 8-1 is arranged on the outer wall surface on the left side of the sectional bin 1, one side of each outer moving surface 8-2 is installed on the inner side of the left side of the sectional bin 1 in the vertical direction, the other side of each outer moving surface 8-2 is installed on the inner support frame 8-1, each outer moving surface 8-2 moves along the guide track of the inner support frame 8-1 through a roller or a gear arranged in the middle of the inner support frame 8-1, and the outer moving surfaces 8-2 can be steel belts, caterpillar bands and the like, so that the actual requirements can be met.

The vibration generating device 4 is connected with the lower end face of the material guiding device 6-1 of the support 6, the vibration damping device 5 is arranged between the vibration generating device 4 and the material guiding device 6-1, and the vibration damping device 5 can prevent vibration from being transmitted to the support 6 to damage the detection sensor 9 and the lifting device 8. The vibration rod 3 is mounted to the vibration generating device 4 in a vertical direction.

The segmented bin 1 is externally provided with bin shell vibrators 7, and the number of the bin shell vibrators 7 is determined according to actual conditions, so that production requirements can be met.

The support 6 is provided with a detection sensor 9 for detecting and feeding back the thickness uniformity of the tobacco sheet distribution layer.

The height of the lifting device 8 is higher than the total height of the sectional bunker 1.

The material guide device 6-1 is a plurality of cloth plates with controllable swinging degree and frequency and is connected with the bracket 6 through a rotating shaft.

The amplitude of the vibration generating device 4 is 10-15 mm.

The amplitude of the bin shell vibrator 7 is 20-25 mm.

The vibration source of the vibration generating device 4 in the present invention includes, but is not limited to, a vibration motor, an electromagnetic vibration, an eccentric mechanism, and the like, and the detection method of the detection sensor 9 may be a visual detection method, an ultrasonic detection method, and the like.

The invention adopts a vibration mode, improves the phenomena of bridging hollow corners, uneven cloth and the like of tobacco flakes in the blanking and stacking process, ensures that the tobacco flakes are uniformly distributed in the stock bin before being compressed, thereby improving the uniformity of the feeding density of the tobacco flakes, improving the efficiency of a threshing and redrying production line and the quality of products, being beneficial to alcoholizing and stacking tobacco packets, reducing the risk of mildew of the tobacco packets and reducing the loss of tobacco leaves. Meanwhile, due to the vibration effect, the density of the pre-loaded materials in the storage bin is improved, the height of the pre-pressing packaging equipment can be effectively reduced, and the manufacturing cost of the pre-pressing packaging equipment and a manufacturing factory building is saved.

When the existing packing equipment is used, due to the uneven upstream feeding and long-distance free falling motion and the physical state of tobacco leaves, the hollow corners of four corners of a tobacco bale after the tobacco leaves are packed are caused, or the density of middle tobacco leaves is high, the density of the four corners is low, so that the density deviation is larger than 12%, and the principle experiment result of using the device and the method to carry out tobacco sheet vibration material balancing shows that the average density deviation of tobacco blanks is reduced to 8%.

Drawings

Fig. 1 is a schematic front view of the overall structure of the present invention.

Fig. 2 is a left side view schematically illustrating the overall structure of the present invention.

Fig. 3 is a schematic structural view of a material guiding device of the present invention.

In the figure: 1-sectional bin, 2-bin vibration damper, 3-vibrating rod, 4-vibration generator, 5-vibration damper, 6-bracket, 7-bin shell vibrator, 8-lifting device, 8-1-inner support frame, 8-2-outer moving surface and 9-detection sensor.

Detailed Description

The following further describes the embodiments of the present invention in detail. The technology or products not shown in the examples are conventional products which are available in the prior art or can be obtained by purchasing; the structural features not described can be realized by adopting a conventional structure.

Example 1: as shown in fig. 1-3, the local vibration material-homogenizing method utilizes vibration and controls amplitude to achieve uniform material distribution, and comprises the following steps:

(1) the material is conveyed to the subsection stock bin by the upstream conveying device, the outer moving surface of the lifting device moves clockwise, the control support descends, the support drives the vibrating rod to descend, and the vibrating rod descends to the bottom of the subsection stock bin.

(2) Starting a vibration generating device, a bin shell vibrator of a sectional bin at the bottom and a material guide device, wherein the vibration generating device has the amplitude of 15mm, the bin shell vibrator has the amplitude of 25mm, the material guide device has the swinging amplitude of 200mm and the frequency of-60 times/min, and materials fall in at the speed of 30 m/min.

(3) When the height that the material was piled up is the same with the vibrating arm height, elevating gear's outer moving face moves along anticlockwise, and the control support rises, and the support drives the vibrating arm and rises, and the rising speed of vibrating arm is unanimous with the heap high speed of material, and speed can be 5m/min.

(4) After the materials in the sectional material bin reach the preset weight, the support rises until the vibrating rod is completely separated from the materials, the vibration generating device and all bin shell vibrators are closed, and the support moves out of the sectional material bin to finish work.

In the whole blanking process, the detection sensor always detects the uniformity of tobacco flake distribution and feeds back the uniformity in real time, and the control system adjusts the opening and closing of the vibration generating device and the bin shell vibrator and the vibration frequency and amplitude according to feedback information.

When the density deviation of the tobacco leaves is larger than 15%, the amplitude of the vibration generating device needs to be adjusted to be 13mm, the amplitude of the bin shell vibrator is 23mm, the swing amplitude of the material guide device is 70mm, and the frequency is 35 times/min.

When the density deviation of the tobacco leaves is less than 15%, the amplitude of the vibration generating device needs to be adjusted to 11mm, the amplitude of the bin shell vibrator needs to be adjusted to 21mm, the swing amplitude of the material guide device needs to be adjusted to 50mm, and the frequency needs to be adjusted to 25 times/min.

The device comprises four segment bins 1, a lifting device 8, a vibrating rod 3, a vibration generating device 4 and a support 6, wherein the lifting device 8 is arranged on the side edge of each segment bin 1, the vibration generating device 4 is connected with the lifting device 8 through the support 6, the height of the lifting device 8 is higher than the total height of the segment bins 1, the area of the support 6 is smaller than the cross sectional area of the segment bins 1, the support 6 is provided with a detection sensor 9, and the uniform degree of the thickness of a tobacco sheet distribution layer is detected and fed back.

Four segmentation feed bins 1 are vertically stacked and installed, and are provided with a feed bin vibration damper 2 between the segmentation feed bins 1, and four bin shell vibrators 7 are arranged outside the segmentation feed bins 1. The lifting device 8 comprises an inner supporting frame 8-1 and an outer moving surface 8-2, the inner supporting frame 8-1 is arranged on the left outer wall surface of the sectional bin 1, one side of the outer moving surface 8-2 is arranged on the left inner side of the sectional bin 1 along the vertical direction, the other side of the outer moving surface 8-2 is arranged on the inner supporting frame 8-1, and the outer moving surface 8-2 moves along the guide track of the inner supporting frame 8-1 through a roller or a gear arranged in the middle of the inner supporting frame 8-1; the vibration generating device 4 is connected with the lower end face of the material guiding device 6-1 of the support 6, a vibration damping device 5 is arranged between the vibration generating device 4 and the material guiding device 6-1, the material guiding device 6-1 is a plurality of cloth plates with controllable swinging degree and frequency and is connected with the support 6 through a rotating shaft, and the vibrating rod 3 is arranged on the vibration generating device 4 along the vertical direction.

The principle experiment result of using the device and the method to carry out tobacco flake vibration material balancing shows that the average density deviation of tobacco blanks in the bin is reduced from 8% to 6%, and the device and the method can effectively improve the density deviation of the tobacco blanks.

Example 2: as shown in fig. 1-3, the local vibration material-homogenizing method utilizes vibration and controls amplitude to achieve uniform material distribution, and comprises the following steps:

(1) before the material is conveyed to the sectioning bin by the upstream conveying device, the outer moving surface of the lifting device moves clockwise, the support is controlled to descend, the support drives the vibrating rod to descend, and the vibrating rod descends to the bottom of the sectioning bin.

(2) Starting a vibration generating device, a bin shell vibrator of a sectional bin at the bottom and a material guide device, wherein the amplitude of the vibration generating device is 10mm, the amplitude of the bin shell vibrator is 20mm, the swing amplitude of the material guide device is 80mm, the frequency of the material guide device is 20 times/min, and materials fall into the bin shell vibrator at the speed of 50 m/min.

(3) When the height of the material stack is the same as the height of the vibrating rod, the outer moving surface of the lifting device moves in the counterclockwise direction, the support is controlled to ascend, the vibrating rod is driven by the support to ascend, and the ascending speed of the vibrating rod and the falling speed of the material are kept at 8 m/min; meanwhile, the bin shell vibrator of the upper-layer sectional bin is started layer by layer upwards along with the stacking height of the materials, and the bin shell vibrator of the lower-layer sectional bin is closed accordingly.

(4) After the materials in the sectional material bin reach the preset weight, the support rises until the vibrating rod is completely separated from the materials, the vibration generating device, all bin shell vibrators and the material guide device are closed, and the support moves out of the sectional material bin to finish work.

In the whole blanking process, the detection sensor always detects the uniformity of tobacco flake distribution and feeds back the uniformity in real time, and the control system adjusts the opening and closing of the vibration generating device and the bin shell vibrator and the vibration frequency and amplitude according to feedback information.

When the density deviation of the tobacco leaves is larger than 15%, the amplitude of the vibration generating device needs to be adjusted to be 12mm, the amplitude of the bin shell vibrator is 22mm, the swing amplitude of the material guide device is 60mm, and the frequency is 30 times/min.

When the density deviation of the tobacco leaves is less than 15%, the amplitude of the vibration generating device needs to be adjusted to 10mm, the amplitude of the bin shell vibrator needs to be adjusted to 20mm, the swing amplitude of the material guide device needs to be adjusted to 40mm, and the frequency needs to be adjusted to 20 times/min.

The device for the method adopts six sectional bins 1, six bin shell vibrators 7 are arranged outside the sectional bins 1 of each sectional bin 1, and the rest structure is the same as that of the embodiment 1.

The principle experiment result of using the device and the method to carry out tobacco flake vibration material balancing shows that the average density deviation of tobacco blanks is reduced from 12% to 8%, and the device and the method can effectively improve the density deviation of the tobacco blanks.

Example 3: as shown in fig. 1-3, the local vibration material-homogenizing method utilizes vibration and controls amplitude to achieve uniform material distribution, and comprises the following steps:

(1) the material is conveyed to the sectioning bin by the upstream conveying device, the outer moving surface of the lifting device moves clockwise, the support is controlled to descend, the support drives the vibrating rod to descend, and the vibrating rod descends to the bottom of the sectioning bin.

(2) Starting a vibration generating device, a bin shell vibrator of a sectional bin at the bottom and a material guide device, wherein the vibration generating device has the amplitude of 13mm, the bin shell vibrator has the amplitude of 22mm, the material guide device has the swinging amplitude of 100mm and the frequency of 50 times/min, and materials fall in at the speed of 70 m/min.

(3) When the height of the material accumulation is the same as the height of the vibrating rod, the outer moving surface of the lifting device moves in the anticlockwise direction to control the support to ascend, the support drives the vibrating rod to ascend, and the ascending speed of the vibrating rod and the falling speed of the material are kept at 18 m/min; meanwhile, the bin shell vibrator of the upper-layer sectional bin is started layer by layer upwards along with the stacking height of the materials, and the bin shell vibrator of the lower-layer sectional bin keeps vibrating.

(4) After the materials in the sectional material bin reach the preset weight, the support rises until the vibrating rod is completely separated from the materials, the vibration generating device, all bin shell vibrators and the material guide device are closed, and the support moves out of the sectional material bin to finish work. In the whole blanking process, the detection sensor always detects the uniformity of tobacco flake distribution and feeds back the uniformity in real time, and the control system adjusts the opening and closing of the vibration generating device and the bin shell vibrator and the vibration frequency and amplitude according to feedback information.

In the whole blanking process, the detection sensor always detects the uniformity of tobacco flake distribution and feeds back the uniformity in real time, and the control system adjusts the opening and closing of the vibration generating device and the bin shell vibrator and the vibration frequency and amplitude according to feedback information.

When the density deviation of the tobacco leaves is larger than 15%, the amplitude of the vibration generating device needs to be adjusted to be 15mm, the amplitude of the bin shell vibrator is 25mm, the swing amplitude of the material guide device is 80mm, and the frequency is 40 times/min.

When the density deviation of the tobacco leaves is less than 15%, the amplitude of the vibration generating device needs to be adjusted to 12mm, the amplitude of the bin shell vibrator needs to be adjusted to 22mm, the swing amplitude of the material guide device needs to be adjusted to 60mm, and the frequency needs to be adjusted to 30 times/min.

The device for the method adopts eight sectional bins 1, eight bin shell vibrators 7 are arranged outside the sectional bins 1 of each sectional bin 1, and the rest structure is the same as that of the embodiment 1.

The principle experiment result of using the device and the method to carry out tobacco flake vibration material balancing shows that the average density deviation of tobacco blanks is reduced from 12% to 10%, and the device and the method can effectively improve the density deviation of the tobacco blanks.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.