CN216926458U

CN216926458U - Material density detection device

Info

Publication number: CN216926458U
Application number: CN202220392275.4U
Authority: CN
Inventors: 张海平; 张园园; 盖丽娟; 吴弢; 刘新强
Original assignee: ZHENGZHOU HAIYI TECHNOLOGY CO LTD
Current assignee: ZHENGZHOU HAIYI TECHNOLOGY CO LTD
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-07-08
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a material density detection device, and belongs to the field of cigarette density detection. The material density detection device comprises a material taking mechanism, a feeding mechanism and a detection mechanism, wherein the material taking mechanism comprises a material taking groove with a material storage channel in the center, the opening of the material taking groove is positioned at the bottom, and the width of the opening is smaller than the width of a material. The feeding mechanism comprises a sliding rail, a sliding block, a push arm and a driving unit, one end of the push arm is fixed on the sliding block, the sliding block moves along the sliding rail under the action of the driving unit, and the other end of the push arm extends into the material storage channel of the material taking groove and pushes materials to move to the detection mechanism along the opening of the material taking groove. The utility model can ensure the stability and reliability of the material conveying speed through the reasonable arrangement of each mechanism; the material taking can be skillfully realized by the rotation of the material taking groove and the avoidance rotation of the transition block, and the structural integration level is high; and the material can be effectively controlled to be recovered by rotating the discharge chute and arranging the negative pressure airflow. The device has high automation degree and accurate and reliable detection result.

Description

Material density detection device

Technical Field

The utility model relates to the field of cigarette density detection, in particular to a material density detection device.

Background

With the development of modern science and technology, the requirements on the density precision of raw materials and products in the process of construction and product manufacture of various industries are higher and higher, and various general and special product density detection equipment is produced.

In the cigarette production process, after the cut tobacco is subjected to cut tobacco suction forming by the cigarette making machine, the moisture density distribution of the cigarette tow of the cigarette is changed. The density of the cigarette is an important index, and the density of the cigarette not only affects the internal quality of the cigarette, but also affects the physical indexes of the weight, the hardness, the suction resistance, the tobacco shred loss amount of the end part of the cigarette and the like. At present, the cigarette density detection method mainly depends on manual detection, the detection process is complex, the workload is large, the time consumption is long, the links are multiple, the human factors are more, the error of the detection result is also large, and the distribution condition of the tobacco shreds in the cigarettes cannot be analyzed through manual detection.

Therefore, the above-mentioned existing cigarette moisture density detection methods have inconvenience and defects, and further improvement is needed. How to create a new material density detection device, make it promote automation, the integration that the material performance detected, and promote the accuracy and the reliability of testing result, become the target that the industry greatly needs to improve at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a material density detection device, which improves the automation and integration of material performance detection and improves the accuracy and reliability of detection results, thereby overcoming the defects of the existing detection method.

In order to solve the technical problems, the utility model provides a material density detection device which comprises an installation plate, and a material taking mechanism, a feeding mechanism and a detection mechanism which are arranged on the installation plate, wherein the material taking mechanism comprises a material taking groove with a material storage channel in the center, the opening of the material taking groove is positioned at the bottom of the material taking groove, the width of the opening is smaller than the width of a material, the feeding mechanism comprises a slide rail, a slide block, a push arm and a driving unit, one end of the push arm is fixed on the slide block, the slide block moves along the slide rail under the action of the driving unit, and the other end of the push arm extends into the material storage channel of the material taking groove and pushes the material in the material taking groove to move to the detection mechanism along the opening of the material taking groove.

The material taking mechanism is further improved by comprising a material taking motor which drives the material taking groove to rotate, the material taking motor is installed on the mounting plate, the material taking groove is fixed on an output shaft of the material taking motor through a connecting plate, and the material taking groove realizes the conversion between a horizontal state and a vertical state under the action of the material taking motor.

The improved material taking device is characterized in that the improved material taking device is further provided with a guide block with a central through hole on the mounting plate, and the central through hole of the guide block is coaxial with the material storing channel when the material taking groove is in a vertical state.

The material taking mechanism is further improved, the material taking mechanism further comprises a transition block arranged between the material taking groove and the detection mechanism, the transition block comprises a groove body and an opening which are coaxial with the material taking groove, and the transition block is movably arranged on the mounting plate and used for avoiding the rotating space of the material taking groove.

The improved structure is characterized in that the transition block is rotatably mounted on the mounting plate through a cylinder mechanism, the cylinder mechanism comprises a cylinder mounting plate, a cylinder fixing rod, a cylinder and a connecting piece, the cylinder mounting plate is fixed on the mounting plate, the cylinder passes through the cylinder fixing rod and is fixed on the cylinder mounting plate, the extending end of the cylinder is connected with one end of the connecting piece, the other end of the connecting piece is connected with the transition block, the middle of the connecting piece is hinged to the bottom of the cylinder mounting plate, and the transition block is rotated under the telescopic action of the cylinder to avoid the rotating space of the material taking groove.

The detection mechanism is a resonant cavity microwave sensor and comprises a detection channel coaxial with the storage channel of the material taking groove.

The improved structure is characterized by further comprising a discharging mechanism arranged behind the detection mechanism, wherein the discharging mechanism comprises a discharging groove with an upward opening, the axis of the groove body of the discharging groove is flush with or lower than the axis of a detection channel of the detection mechanism, and the discharging groove is rotatably arranged on the mounting plate.

The discharging mechanism is further improved and comprises a discharging motor, a belt transmission unit and a rotating shaft, wherein the discharging motor is installed on the mounting plate, the discharging motor is connected with the rotating shaft through the belt transmission unit, the rotating shaft is fixed on a bearing seat through a bearing, the discharging groove is fixed on the rotating shaft, the rotating shaft is driven by the discharging motor to rotate, and then the discharging groove is driven to rotate to realize the discharging of the material received by the discharging groove to be recycled.

In a further improvement, a negative pressure airflow port is arranged in the discharge chute.

In a further improvement, an air channel is arranged in the center of the rotating shaft, one end of the air channel is used for connecting negative pressure equipment, and the other end of the air channel is communicated with the negative pressure airflow port in a sealing manner.

After adopting such design, the utility model has at least the following advantages:

according to the material density detection device, the material taking groove, the transition block, the detection channel and the discharge groove are all arranged in a groove body coaxial structure, and openings at the bottoms of the material taking groove and the transition block are matched with the push arm of the feeding mechanism, so that the push arm can linearly push and convey materials, and the material conveying speed is stable and reliable; the material taking groove rotates, the transition block avoids and rotates, the close-distance material taking mechanism can be arranged, compact integrated arrangement of all parts is realized, and material taking and feeding are skillfully realized; still through the rotation of blown down tank, simple and convenient realization material is retrieved to through the setting of negative pressure air current mechanism, can reach the effective control that the material ejection of compact was retrieved. The device has high integration level and high automation degree.

The utility model utilizes the resonant cavity microwave sensor to detect the material density, the detection is accurate and reliable.

Drawings

The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.

FIG. 1 is a schematic structural diagram of a material density detection device according to the present invention.

Fig. 2 is a schematic structural diagram of a material taking mechanism in the material density detection device of the utility model.

Fig. 3 is a schematic structural diagram of a material taking transition mechanism in the material density detection device of the present invention.

Fig. 4 is a schematic structural diagram of a feeding mechanism in the material density detection device of the present invention.

FIG. 5 is a schematic structural diagram of a discharging mechanism in the material density detecting apparatus of the present invention.

Detailed Description

The material density detection device in this embodiment takes the detection of the moisture density characteristic of the cigarette filter stick as an example, and the technical scheme of the detection device of the present invention is described in detail, which should not be construed as any limitation to the scope of the present invention. Specific examples thereof are as follows.

Referring to fig. 1 to 5, the material density detecting device of the present embodiment includes an installation plate 1, a guide block 2, a material taking mechanism 3, a material taking transition mechanism 4, a feeding mechanism 5, a detecting mechanism 6, and a discharging mechanism 7.

The material taking mechanism 3 comprises a material taking motor 8, a connecting plate 9 and a material taking groove 10, as shown in the attached figure 2. Get material motor 8 and install on the mounting panel 1, get silo 10 and pass through connecting plate 9 is fixed get on material motor 8's the output shaft, the center of getting silo 10 has the storage passageway 101 of placing cylindrical cigarette, the opening 102 of getting silo 10 is located its bottom, just the width of opening 102 is less than the width size of cigarette, avoids cigarette to drop from opening 102 promptly. The material taking groove 10 is driven by the material taking motor 8 to realize the conversion between the horizontal state and the vertical state. If when material is taken as required, the material taking motor 8 rotates the material taking groove 10 to a vertical position, cigarette materials freely fall into the material storage channel 101 of the material taking groove 10 through the guide block 2, and then the material taking motor 8 rotates the material taking groove 10 to a horizontal position to wait for pushing of the feeding mechanism.

Wherein, guide block 2 is fixed on mounting panel 1, the center through-hole of guide block 2 with storage channel 101 is coaxial when fetching groove 10 is in vertical state for get into the fetching groove with the cigarette direction of upstream equipment.

In this embodiment material taking transition mechanism 4 sets up between material taking mechanism and the detection mechanism for realize getting smooth transition of silo 10 and detection mechanism 6 when guaranteeing a cigarette pay-off transportation, prevent that a cigarette from dropping. Referring to fig. 3, the material taking transition mechanism 4 includes a cylinder mounting plate 11, a cylinder fixing block 12, a cylinder 13, a connecting member 14 and a transition block 32. Cylinder mounting panel 11 is fixed on mounting panel 1, cylinder 13 passes through cylinder dead lever 12 is fixed on the cylinder mounting panel 11, the end connection that stretches out of cylinder 13 the one end of connecting piece 14, the other end of connecting piece 14 is connected transition piece 32, the middle part of connecting piece 14 with 11 bottoms of cylinder mounting panel are articulated, transition piece 32 is in rotate under cylinder 13's the concertina action, in order to dodge get silo 10's rotation space. The transition block 32 comprises a groove body and an opening which are coaxial with the material taking groove 10, and the transition block 32 is positioned between the material taking groove 10 and the detection mechanism 6 in a horizontal state, so that the cigarettes can be smoothly transited to the detection mechanism; in the vertical state, the transition block 32 provides an avoidance space for the rotation of the material taking groove 10, so that the material taking groove 10 can be conveniently switched between the horizontal state and the vertical state.

When material is required to be taken, the transition block 32 rotates to the vertical position under the action of the cylinder 13, so that the space for the rotation of the material taking groove 10 is reserved, and after the material taking groove 10 rotates to the horizontal position after the material is taken, the transition block 32 rotates to the horizontal position again.

Referring to fig. 4, the feeding mechanism 5 in this embodiment includes a feeding motor 15, a plurality of belt pulleys 16, a belt 17, a belt pressing block 18, a pushing arm 19, a sliding block 20, and a sliding rail 21. The feeding motor 15 is installed on the installation plate 1, the belt 17 forms a circular transmission unit around a plurality of belt pulleys 16, and an output shaft of the feeding motor 15 is connected with one of the belt pulleys 16 to drive the circular transmission of the belt 17. The slide rail 21 is arranged along the transmission direction of the belt 17, the slide block 20 is arranged on the slide rail 21, and the slide block 20 is fixedly connected with the belt 17 through the belt pressing block 18. One end of the push arm 19 is fixed on the sliding block 20, and the other end thereof is used for extending into the storage channel 101 of the material taking groove 10. That is, the pushing arm 19 moves along the opening 102 of the material taking groove 10 under the driving of the belt 17, so as to push the material in the material taking groove 10 to the detecting mechanism 6.

In this embodiment detection mechanism 6 adopts resonant cavity microwave sensor, detection mechanism 6 include with the coaxial detection channel of storage channel 101 of silo 10 of getting, the cigarette level of being convenient for passes this resonant cavity microwave sensor. The resonant cavity microwave sensor is based on the resonant cavity microwave detection principle, microwave frequency deviation can be caused when a sample passes through the microwave resonant cavity, and the moisture density of a tested cigarette sample can be calculated by measuring the frequency deviation. And because the microwave measurement method is global scanning, each millimeter can be accurately measured, and the accuracy is high.

Referring to fig. 5, in this embodiment, the discharging mechanism 7 is disposed behind the detecting mechanism 6, and is configured to transfer the detected cigarette material to a subsequent process or recover the detected cigarette material. The discharging mechanism 7 in this embodiment includes a discharging motor 22, a small belt pulley 23, a belt 24, a large belt pulley 25, a rotating shaft 26, a discharging groove 27, an O-ring 28, a bearing 29, and a bearing seat 30.

The discharging motor 22 is mounted on the mounting plate 1, the small belt pulley 23 is fixed on an output shaft of the discharging motor 22, the small belt pulley 23 is connected with the large belt pulley 25 through a belt 24, and when the discharging motor 22 drives the small belt pulley 23 to rotate, the large belt pulley 25 rotates along with the small belt pulley 23 through the belt 24; the large belt pulley 25 is fixed on a rotating shaft 26, the rotating shaft 26 is fixed on a bearing seat 30 through a bearing 29, and the discharging groove 27 is fixed on the rotating shaft 26. The discharge chute 27 is of an arc-shaped chute body structure with an upward opening, and the axis of the chute body of the discharge chute is flush with or lower than the axis of the detection channel of the detection mechanism 6, and is used for receiving cigarettes conveyed from the detection channel of the detection mechanism 6. Namely, during feeding detection, the discharging groove 27 rotates to the horizontal position through the discharging motor 22, and after feeding detection is finished, a sample is pushed to the discharging groove 27 through the pushing arm 19; after the cigarette receiving is completed, the discharging groove 27 is rotated upwards to a vertical position through the discharging motor 22, so that the cigarette is separated from the discharging groove 27 by means of the gravity of the cigarette, and the cigarette discharging recovery is completed.

In a preferred embodiment, the discharge chute 27 is provided with a negative pressure air flow port 33. An air channel 34 is arranged in the middle of the rotating shaft 26, one end of the air channel 34 is provided with an air joint 31 for connecting negative pressure equipment, and the other end of the air channel is hermetically communicated with the negative pressure airflow port 33. And an o-shaped sealing ring 28 is arranged at the joint of the rotating shaft 26 and the discharging plate 27, so that the air channel is ensured to be airtight. Like this, after a cigarette material is pushed to blown down tank 27, gas connector 31 opens, and gas passageway 34 switch-on negative pressure air current makes the material adsorb on blown down tank 27, and when blown down tank 27 rotated to vertical position through ejection of compact motor 22, gas connector 31 closed negative pressure air current, and the sample free fall is to the collection box in or get into in the subsequent handling.

The material density detection device can also be used for detecting the water density of other cylindrical materials, square materials and other materials with other shapes, and has the advantages of high integration level, high automation degree, high detection accuracy and accurate and reliable detection result.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a material density detection device, its characterized in that is in including mounting panel and setting extracting mechanism, feeding mechanism and detection mechanism on the mounting panel, extracting mechanism has the silo of getting of storage passageway including the center, the opening of getting the silo is located its bottom, just open-ended width is less than the material width, feeding mechanism includes slide rail, slider, pushing arm and drive unit, the one end of pushing arm is fixed on the slider, the slider is in the drive unit is followed down the slide rail removes, the other end of pushing arm stretches into get inside the storage passageway of silo, and follow it promotes to get the silo opening get the material in the silo and remove to detection mechanism.

2. The material density detection device according to claim 1, wherein the material taking mechanism further comprises a material taking motor for driving the material taking groove to rotate, the material taking motor is mounted on the mounting plate, the material taking groove is fixed on an output shaft of the material taking motor through a connecting plate, and the material taking groove realizes the conversion between a horizontal state and a vertical state under the action of the material taking motor.

3. The material density detection device according to claim 2, wherein a guide block with a central through hole is further arranged on the mounting plate, and the central through hole of the guide block is coaxial with the material storage channel when the material taking groove is in a vertical state.

4. The material density detection device according to claim 2, wherein the material taking mechanism further comprises a transition block arranged between the material taking groove and the detection mechanism, the transition block comprises a groove body and an opening which are coaxial with the material taking groove, and the transition block is movably arranged on the mounting plate and used for avoiding a rotating space of the material taking groove.

5. The material density detection device according to claim 4, wherein the transition block is rotatably mounted on the mounting plate through a cylinder mechanism, the cylinder mechanism comprises a cylinder mounting plate, a cylinder fixing rod, a cylinder and a connecting member, the cylinder mounting plate is fixed on the mounting plate, the cylinder is fixed on the cylinder mounting plate through the cylinder fixing rod, an extending end of the cylinder is connected with one end of the connecting member, the other end of the connecting member is connected with the transition block, the middle part of the connecting member is hinged to the bottom of the cylinder mounting plate, and the transition block rotates under the telescopic action of the cylinder to avoid a rotating space of the material taking groove.

6. The material density detection device according to any one of claims 1 to 5, wherein the detection mechanism is a resonant cavity microwave sensor, and the detection mechanism comprises a detection channel coaxial with the storage channel of the material taking groove.

7. The material density detection device according to claim 6, further comprising a discharge mechanism arranged behind the detection mechanism, wherein the discharge mechanism comprises a discharge chute with an upward opening, the axis of the chute body of the discharge chute is flush with or lower than the axis of the detection channel of the detection mechanism, and the discharge chute is rotatably arranged on the mounting plate.

8. The material density detection device according to claim 7, wherein the discharging mechanism further comprises a discharging motor, a belt transmission unit and a rotating shaft, the discharging motor is mounted on the mounting plate, the discharging motor is connected with the rotating shaft through the belt transmission unit, the rotating shaft is fixed on a bearing seat through a bearing, the discharging chute is fixed on the rotating shaft, and the rotating shaft is driven by the discharging motor to rotate so as to drive the discharging chute to rotate, so that the discharging chute receives the material to be discharged and recycled.

9. The material density detection device of claim 8, wherein a negative pressure air flow port is provided in the discharge chute.

10. The material density detecting device according to claim 9, wherein an air channel is provided in the center of the rotating shaft, one end of the air channel is used for connecting a negative pressure device, and the other end of the air channel is in sealed communication with the negative pressure airflow port.