Automatic compaction device of calibration
Technical Field
The application relates to the technical field of tobacco shred detection, in particular to an automatic calibration compacting device.
Background
The tobacco filling value is one of important parameters of the cigarettes, can reflect the quality of the cigarettes, people can know the fragrance and taste degree of the cigarettes, and can control the quality of a certain tobacco mixture at the same time, so that the quality of each produced cigarette is consistent.
The tobacco shred filling value is measured by measuring the density of tobacco shreds under the preset pressure, so that the filling degree of the tobacco shreds is known, the compression mechanism extrudes the tobacco shreds in the charging barrel, and when the preset pressure value is reached, the compression mechanism stops extrusion, and the volume of the tobacco shreds in the charging barrel is calculated, so that the density of the tobacco shreds under the preset pressure condition is obtained, and the filling degree of the tobacco shreds is known.
Because the tobacco shreds with different samples need to be extruded in a reciprocating mode, the accuracy of compacting equipment is difficult to guarantee, and therefore the compacting equipment needs to be calibrated in time.
Based on this, a new solution is needed.
Disclosure of Invention
In view of this, the embodiments of the present disclosure provide an automatically calibrated compacting device to improve the accuracy of tobacco filling degree detection.
The embodiment of the specification provides the following technical scheme that the automatic calibration compacting device comprises a base, a rotating bracket, a compacting mechanism and a calibration mechanism, wherein the rotating bracket is arranged on the base and is connected with a charging barrel;
The compaction mechanism comprises a pressing plate, and the pressing plate can automatically lift to compact materials in the charging barrel;
the calibrating mechanism comprises a fixing frame and a rotating motor, the fixing frame is rotationally connected with a rotating frame, the rotating motor is used for driving the rotating frame to rotate, the rotating frame is rotationally connected with a rotating shaft, one end of the rotating shaft is connected with a pressure head, the other end of the rotating shaft is provided with a first weight, the rotating frame is connected with a supporting plate, and the first weight can be placed on the supporting plate;
The support plate is connected with a photoelectric sensor, one end of the rotating shaft, which is close to the first weight, is connected with a sensing head, and the sensing head is provided with micropores;
When the pressure plate needs to be calibrated, the rotating motor drives the rotating shaft to rotate through the rotating frame, the pressure head is located under the pressure plate, the pressure plate moves downwards and drives the pressure head to move, when the photoelectric sensor senses micropores of the sensing head, the pressure head stops moving to complete pressure calibration, the pressure plate continues to move downwards until the pressure plate presses the pressure head continuously until the pressure plate presses the pressure head, the diameter of the pressure head is known, and therefore the displacement of the pressure plate is known, and the displacement calibration is completed.
Optionally, the pressure head is spherical.
Optionally, the pressure head is provided with two or more, and the diameter of the pressure head near the end of the rotating shaft is smaller than the diameter of the pressure head far away from the end of the rotating shaft.
Optionally, the cartridge is provided with four.
Optionally, the compaction mechanism further comprises a support frame and a driving motor, the support frame is rotationally connected with a screw rod, the support frame is slidably connected with a pressure sensor, the pressure plate is connected with the pressure sensor, the screw rod penetrates through the pressure sensor and is in threaded connection with the pressure sensor, and the driving motor drives the screw rod to rotate through a belt.
Optionally, one end of the rotating shaft away from the pressure head is provided with a bearing disc, and the first weight is arranged on the bearing disc.
Optionally, the pivot fixedly connected with jackshaft, the jackshaft is perpendicular with the pivot, the connecting seat is connected with two supporting seats, the both ends of jackshaft rotate with two connecting seats respectively and are connected.
Optionally, two the supporting seat is integrative all to be provided with the triangle protruding portion, triangle recess has all been seted up at the both ends of jackshaft, the angle of triangle recess is the obtuse angle, the angle of triangle protruding portion is the acute angle, the both ends of jackshaft set up respectively on two triangle protruding portions.
Optionally, the fixing frame is connected with a first sensor, and the first sensor is used for detecting the rotating angle of the rotating frame.
Optionally, the fixing frame is connected with a second sensor, and the second sensor is used for detecting whether a charging barrel exists below the pressure plate.
Optionally, the screw rod is connected with an encoder through a belt.
Optionally, still include supporter and second weight, the second weight sets up on the supporter, the second weight is located first weight top, the in-process that first weight upwards moved drives the second weight and breaks away from the supporter.
Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least:
According to the technical scheme, when the pressure plate needs to be calibrated, the rotating motor drives the rotating shaft to rotate through the rotating frame, the pressure head is located under the pressure plate, the pressure plate moves downwards and drives the pressure head to move, pressure calibration is completed, and when the photoelectric sensor senses the micropore of the sensing head, the pressure head stops moving, and pressure calibration is completed. And then the pressure plate continuously moves downwards, and after the pressure head presses the pressure head, the displacement calibration is completed by calculating the comparison of the displacement and the diameter of the pressure head. The rotating motor drives the rotating frame and the rotating shaft to rotate away from the pressing plate, so that the charging barrel is avoided, the pressing plate is convenient for compacting tobacco shreds in the charging barrel, and interference to the charging barrel is avoided;
In the rotating avoidance process of the rotating frame and the rotating shaft, one end of the rotating shaft, which is close to the first weight, and the first weight are arranged on the supporting plate, and the first weight is not required to be manually taken in the whole rotating and calibrating process, so that the detection efficiency is improved;
The photoelectric sensor detects the micropore and then detects that the pressure head moves to the calibration position, the detection accuracy is improved, when the rotating shaft is close to one end of the first weight and the first weight is arranged in the supporting plate, the photoelectric sensor cannot detect the micropore, the pressure plate drives the pressure head to move downwards, the first weight and the induction head move upwards, the photoelectric sensor detects the micropore, namely, the pressure head moves to the calibration position, and finally the pressure and the displacement of the pressure plate are calibrated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall view of an automatically calibrated compaction apparatus according to the present application;
FIG. 2 is a schematic illustration of the position of a calibration mechanism in an automatically calibrated compaction apparatus according to the present application;
FIG. 3 is an overall view of a calibration mechanism in the automated calibration compaction apparatus of the present application;
FIG. 4 is a schematic diagram of the position of the grating photoelectric sensor and the sensor head in the compacting device with automatic calibration according to the present application;
FIG. 5 is a schematic illustration of the positions of a first sensor and a second sensor in an automatically calibrated compaction apparatus according to the present application;
FIG. 6 is a schematic view of the position of the spindle and intermediate shaft in the self-aligning compaction apparatus according to the present application;
FIG. 7 is a schematic view of the compaction mechanism of the self-calibrating compaction apparatus according to the present application;
FIG. 8 is a schematic illustration of the position of a second weight in the self-calibrating compaction apparatus according to the present application;
FIG. 9 is a schematic view of a shelf in an automatically calibrated compaction apparatus according to the present application.
In the figure, 1, a base; 2, a rotary bracket, 3, a charging barrel, 4, a pressure plate, 5, a fixing frame, 6, a rotary motor, 7, a rotary frame, 8, a rotary shaft, 9, a pressure head, 10, a first weight, 11, a supporting plate, 12, a photoelectric sensor, 13, an inductive head, 14, micropores, 15, a supporting frame, 16, a driving motor, 17, a screw rod, 18, a pressure sensor, 19, a bearing disc, 20, an intermediate shaft, 21, a balancing weight, 22, a supporting seat, 23, a first sensor, 24, a second sensor, 25, an encoder, 26, a storage rack, 27 and a second weight.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, apparatus may be implemented and/or methods practiced using any number and aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details.
The tobacco filling value is one of important parameters of the cigarettes, can reflect the quality of the cigarettes, people can know the fragrance and taste degree of the cigarettes, and can control the quality of a certain tobacco mixture at the same time, so that the quality of each produced cigarette is consistent.
The tobacco shred filling value is measured by measuring the density of tobacco shreds under the preset pressure, so that the filling degree of the tobacco shreds is known, the compression mechanism extrudes the tobacco shreds in the charging barrel, and when the preset pressure value is reached, the compression mechanism stops extrusion, and the volume of the tobacco shreds in the charging barrel is calculated, so that the density of the tobacco shreds under the preset pressure condition is obtained, and the filling degree of the tobacco shreds is known.
Because the tobacco shreds with different samples need to be extruded in a reciprocating mode, the accuracy of compacting equipment is difficult to guarantee, and therefore the compacting mechanism needs to be calibrated in time.
Based on this, the embodiment of the present specification proposes an automatically calibrated compacting device, as shown in fig. 1 to 9, comprising a base 1, a rotating bracket 2, a compacting mechanism and a calibrating mechanism, wherein the rotating bracket 2 is disposed on the base 1, the rotating bracket 2 is rotatable, and the rotating bracket 2 is driven to rotate by a motor. The rotary support 2 is connected with feed barrels 3, the feed barrels 3 are provided with four, and the four feed barrels 3 are uniformly distributed by taking the rotary support 2 as a center. And placing the cut tobacco into a charging barrel 3, driving a hopper containing the cut tobacco to move below a compacting mechanism by a rotating bracket 2, compacting the cut tobacco by the compacting mechanism, and measuring the filling degree of the cut tobacco.
The compacting mechanism comprises a pressing plate 4, the pressing plate 4 is matched with the shape of the charging barrel 3, and the pressing plate 4 can automatically lift to compact materials in the charging barrel 3. The calibrating mechanism comprises a fixing frame 5 and a rotating motor 6, the fixing frame 5 is rotationally connected with a rotating frame 7, the rotating motor 6 drives the rotating frame 7 to rotate through a belt, the rotating frame 7 is rotationally connected with a rotating shaft 8, one end of the rotating shaft 8 is connected with a pressing head 9, and the pressing head 9 is spherical, so that uniformity of stress in the moving process is improved. The other end of the rotating shaft 8 is provided with a first weight 10, the rotating frame 7 is connected with a supporting plate 11, and the first weight 10 can be placed on the supporting plate 11.
The backup pad 11 is connected with photoelectric sensor 12, and the pivot 8 is connected with inductive head 13 near the one end of first weight 10, and inductive head 13 has seted up micropore 14.
When needs are calibrated to pressure disk 4, rotating motor 6 drives pivot 8 through rotating turret 7 and rotates, and pressure head 9 is located pressure disk 4 under, and pressure disk 4 downwardly moving and drive pressure head 9 and remove, accomplish pressure calibration, when photoelectric sensor 12 sensed micropore 14 of inductive head 13, pivot 8 was in the horizontality, and pressure head 9 stopped removing, accomplishes pressure calibration, through adjusting the first weight 10 of different weight and exerting different pressure realization promptly, can realize the linear calibration of pressure to improve the precision that detects. The pressure plate 4 continues to move downwards until the pressure plate 4 presses the pressure head 9, the diameter of the pressure head 9 is known until the pressure plate 4 presses the pressure head 9, the pressure head 9 is pressed by the pressure plate 4 for the second time due to the fact that the displacement of the pressure plate 4 is known, the micro holes 14 of the sensing head 13 are sensed from the photoelectric sensor 12, the position of the pressure plate 4 is positioned for the first time, the position of the pressure plate 4 is positioned for the second time, the displacement calibration is completed, the linear calibration of the displacement is realized by converting the pressure heads 9 with different diameters, and the detection accuracy is improved. The rotating motor 6 drives the rotating frame 7 and the rotating shaft 8 to rotate away from the pressing plate 4 to avoid the charging barrel 3, so that the pressing plate 4 is convenient for compacting tobacco shreds in the charging barrel 3, and interference to the charging barrel 3 is avoided.
In the process of avoiding the rotation of the rotating frame 7 and the rotating shaft 8, one end, close to the first weight 10, of the rotating shaft 8 and the first weight 10 are arranged on the supporting plate 11, and the whole rotation and calibration process does not need to manually take the first weight 10, so that the detection efficiency is improved.
The photoelectric sensor 12 detects the micropore 14 so as to detect that the pressure head 9 moves to the calibration position, the detection accuracy is improved, when the rotating shaft 8 is close to one end of the first weight 10 and the first weight 10 is arranged on the supporting plate 11, the photoelectric sensor 12 cannot detect the micropore 14, the pressure plate 4 drives the pressure head 9 to move downwards, the first weight 10 and the sensing head 13 move upwards, the photoelectric sensor 12 detects the micropore 14, namely, the pressure head 9 moves to the calibration position, and finally the pressure of the pressure plate 4 is calibrated.
The compacting mechanism further comprises a supporting frame 15 and a driving motor 16, the supporting frame 15 is rotationally connected with a screw rod 17, the supporting frame 15 is slidably connected with a pressure sensor 18, the pressure plate 4 is connected with the pressure sensor 18, the screw rod 17 penetrates through the pressure sensor 18 and is in threaded connection with the pressure sensor 18, and the driving motor 16 drives the screw rod 17 to rotate through a belt.
The pressure sensor 18 in this embodiment includes a sensor body and a connection block, the sensor is disposed between the connection block and the platen 4, the screw 17 passes through the connection block and is in threaded connection with the connection block, and the connection block is in sliding connection with the support 15.
The screw 17 is connected to an encoder 25 by a belt. The encoder 25 measures the rotation number of turns of the lead screw 17, and then knows the travel distance of the pressure plate 4, according to the initial travel position of the bottom wall of the charging barrel 3 to the pressure plate 4, knows the compaction position to the bottom wall position of the charging barrel 3, and finally obtains the compaction volume according to the sectional area of the charging barrel 3, and in the calibration process, the measurement of the encoder 25 can be synchronously calibrated due to the fixed calibration position, so that the synchronous calibration of pressure and displacement is realized, and the accuracy of tobacco shred filling degree detection is improved.
One end of the rotating shaft 8 far away from the pressure head 9 is provided with a bearing disc 19, the first weight 10 is arranged on the bearing disc 19, and the bearing disc 19 can be arranged on the supporting plate 11.
The rotating shaft 8 is fixedly connected with the intermediate shaft 20, the intermediate shaft 20 is perpendicular to the rotating shaft 8, the balancing weight 21 is integrally arranged at the connecting position of the intermediate shaft 20 and the rotating shaft 8, and the balancing weight 21 improves the rotating stability. The connecting seat is connected with two supporting seats 22, and two ends of the intermediate shaft 20 are respectively connected with the two connecting seats in a rotating way. The two supporting seats 22 are integrally provided with triangular protruding portions, triangular grooves are formed in two ends of the intermediate shaft 20, the angles of the triangular grooves are obtuse angles, the angles of the triangular protruding portions are acute angles, and two ends of the intermediate shaft 20 are respectively arranged on the two triangular protruding portions.
The mount 5 is connected with first sensor 23, and first sensor 23 is used for detecting rotating frame 7 pivoted angle for pressure head 9 is accurate to be removed to pressure disk 4 below. The fixed frame 5 is connected with a second sensor 24, and the second sensor 24 is used for detecting whether a charging barrel 3 exists below the pressure plate 4, and when no charging barrel 3 exists below the pressure plate 4, the pressure head 9 moves to the position below the pressure plate 4. The first sensor 23 and the second sensor 24 improve the accuracy of movement of the ram 9 and reduce the occurrence of interference accidents.
The application also provides an implementation mode, wherein two pressure heads 9 are arranged, and the diameter of the pressure head 9 near the tail end of the rotating shaft 8 is smaller than that of the pressure head 9 far from the tail end of the rotating shaft 8.
When the pressure heads 9 are arranged at two positions, when the pressure plate 4 is not contacted with the pressure heads 9, the rotating shaft 8 is in an inclined state under the action of the gravity of the first weight 10, the pressure plate 4 is contacted with one pressure head 9 at the tail end of the rotating shaft 8, the pressure plate 4 moves to the corresponding position and is contacted with the other pressure head 9 in the continuous descending process of the pressure plate 4, the position of the pressure head 9 is controlled, and the position and the received force of the pressure plate 4 when the pressure head 9 is contacted are calculated, so that the second calibration, namely the linear calibration, is realized.
As shown in fig. 8 and 9, the automatic calibration compacting device further includes a placement frame 26 and a second weight 27, the second weight 27 is disposed on the placement frame 26, the second weight 27 is located above the first weight 10, the second weight 27 is driven to separate from the placement frame 26 in the upward moving process of the first weight 10, a clamping groove or a top plate is formed in the second weight 27, the placement frame 26 is connected with a clamping plate, and the second weight 27 is clamped on the clamping plate of the placement frame 26 under the condition that the first weight 10 is not contacted with the second weight 27.
In the process that the pressure plate 4 continuously descends, the first weight 10 moves upwards and contacts with the second weight 27, the second weight 27 is driven to be separated from the storage rack 26 in the process that the first weight 10 moves upwards, and the force born by the pressure plate 4 and different positions can be calculated by controlling the position and the weight of the second weight 27, so that secondary calibration, namely linear calibration, is realized.
The height of the shelf 26 is adjustable, so that the stressed position (stressed pressure) of the pressure plate 4 is adjusted, and the pressure of the pressure plate 4 is conveniently calibrated.
In this specification, identical and similar parts of the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the description is relatively simple for the embodiments described later, and reference is made to the description of the foregoing embodiments for relevant points.
The present application is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.