阅读说明：本技术 一种用于烟支检测的送料结构 (Feeding structure for cigarette detection ) 是由 胡兴锋 蔡利 秦子娴 余苹 孙兰茜 朱立军 吕祥敏 周维 谭广璐 彭忠 黄治 于 2020-12-23 设计创作，主要内容包括：本发明涉及检测设备技术领域,公开了一种用于烟支检测的送料结构,将待检测的烟支放入集料仓里面,当伺服电机转动,带动蜗轮转动,蜗轮带动蜗杆转动,蜗杆转动至条形槽对准放料孔时,则待检测的烟支从放料孔和条形槽处掉入蜗杆内部的盲孔内；伺服电机转动时,也同时带动摇杆转动,摇杆带动连杆上下摆动,连杆带动支撑架相对机架上下摆动,蜗杆在转动的同时相对支撑杆向下摆动,在离心力和重力的共同作用下,使得烟支从蜗杆内部的盲孔内滑出至检测设备处,伺服电机转动一周即可完成以一根待检测烟支的送料,使得每根烟支的输送时间相等,便于检测设备识别烟支,另外可通过调节伺服电机的转速,来达到控制烟支的送料速度。(The invention relates to the technical field of detection equipment, and discloses a feeding structure for cigarette detection.A cigarette to be detected is placed in a material collecting bin, when a servo motor rotates to drive a worm wheel to rotate, the worm wheel drives a worm to rotate, and when the worm rotates to a strip-shaped groove and aligns with a discharging hole, the cigarette to be detected falls into a blind hole in the worm from the discharging hole and the strip-shaped groove; when servo motor rotates, also drive the rocker simultaneously and rotate, the rocker drives the connecting rod luffing motion, the connecting rod drives the relative frame luffing motion of support frame, the relative bracing piece downswing of worm when the pivoted, under the combined action of centrifugal force and gravity, make cigarette slip out to check out test set department in the blind hole of worm inside, servo motor rotates a week and can accomplish the pay-off that treats a cigarette with one, make the transport time of every cigarette equal, the check out test set discernment cigarette of being convenient for, servo motor's rotational speed is adjusted to the accessible in addition, reach the pay-off speed of control cigarette.)

1. A feeding structure for cigarette detection is characterized by comprising a rack;

one end of the connecting rod is hinged with the rack;

the rocker is hinged with one end of the connecting rod, which is far away from the rack;

the supporting frame is hinged with the rack;

the servo motor is rotatably connected with one end of the rocker, which is far away from the connecting rod, and the servo motor is arranged on the supporting frame;

the worm wheel is fixedly connected to the output shaft of the servo motor;

the worm is meshed with the worm wheel, one end of the worm is rotatably connected with the support frame, a blind hole is formed in the worm in the longitudinal direction, an opening of the blind hole is located at one end, far away from the support frame, of the worm, a strip-shaped groove is further formed in the worm, and the strip-shaped groove is communicated with the blind hole;

and the material collecting bin is arranged above the worm, a discharging hole is formed in the bottom of the material collecting bin and located right above the strip-shaped groove, and the outer side face of the bottom of the material collecting bin is tangent to the outer surface of the worm.

2. The feeding structure for cigarette detection according to claim 1, wherein two bearings are fixedly connected to the bottom of the collecting bin, an outer ring of each bearing is welded to the bottom of the collecting bin, an inner ring of the worm penetrates through an inner ring of each bearing, and the collecting bin is slidably connected with the rack.

3. The feeding structure for cigarette detection according to claim 2, wherein an elastic strip is fixed at the bottom of the material collecting bin, the worm is located between the elastic strip and the material collecting bin, the elastic strip is slidably connected with the worm, and the elastic strip is located below the strip-shaped groove.

4. The feeding structure for cigarette detection according to claim 3, wherein the elastic strip is located in the middle of the strip-shaped groove.

5. The feeding structure for cigarette detection according to any one of claims 1 to 4, wherein the upper end of the collecting bin is open.

6. The feeding structure for cigarette detection according to claim 5, wherein the collecting bin is obliquely arranged away from one side wall of the rack.

7. According to the requirement will remove 6 a pay-off structure for cigarette detects, its characterized in that, the pay-off structure still includes the slide rail, the slide rail is articulated with the one end that the support frame was kept away from to the worm.

Technical Field

The invention relates to the technical field of cigarette detection, in particular to a feeding structure for cigarette detection.

Background

The cigarettes are inevitably subjected to various quality defects in the mass production process, for example, when quality defects such as cigarette missing, cigarette diameter error, cigarette surface character mark printing error, tobacco shred dampness and the like occur, the produced cigarettes need to be detected, and the defective cigarettes are screened out.

When current scheme was examined cigarette, one kind adopts the manipulator to remove the cigarette that waits to detect to the measuring hole of a cigarette check out test set, but because cigarette when production, quantity is huge, adopts the manipulator material loading to exist and can not follow up the problem of a cigarette production speed at material loading speed.

Or the cigarette is conveyed to the inspection equipment by using a conveying belt, and then the cigarette on the conveying belt is placed into the inspection hole by adopting an artificial mode, but the artificial feeding speed is difficult to realize at a constant speed, and the cigarette inspection equipment has time difference, so that the cigarette detection efficiency is low.

Disclosure of Invention

In view of this, the present invention provides a feeding structure for cigarette detection, so that the feeding speed of the cigarettes to be detected is balanced and controllable.

The invention solves the technical problems by the following technical means: a feeding structure for cigarette detection comprises a rack; one end of the connecting rod is hinged with the frame; the rocker is hinged with one end of the connecting rod, which is far away from the rack; and a support frame hinged with the frame; the servo motor is rotatably connected with one end of the rocker, which is far away from the connecting rod, and is arranged on the supporting frame; the worm wheel is fixedly connected to the output shaft of the servo motor; the worm is meshed with the worm wheel, one end of the worm is rotatably connected with the support frame, a blind hole is formed in the worm in the longitudinal direction, the opening of the blind hole is located at one end, away from the support frame, of the worm, a strip-shaped groove is further formed in the worm, and the strip-shaped groove is communicated with the blind hole; and the material collecting bin is arranged above the worm, the bottom of the material collecting bin is provided with a discharging hole, the discharging hole is positioned right above the strip-shaped groove, and the outer side surface of the bottom of the material collecting bin is tangent to the outer surface of the worm.

Furthermore, two bearings are fixedly connected to the bottom of the material collecting bin, an outer ring of each bearing is welded to the bottom of the material collecting bin, the worm penetrates through an inner ring of each bearing, and the material collecting bin is connected with the rack in a sliding mode.

In this way, the bearing does not restrict the normal rotational freedom of the worm when the worm rotates, and the inner ring of the bearing also slides back and forth along the longitudinal direction of the worm adaptively when the worm swings up and down. In addition, the worm swings up and down to drive the material collecting bin to slide up and down along the rack, and the effect of keeping the outer side surface of the bottom of the material collecting bin tangent to the outer surface of the worm is achieved.

Furthermore, the bottom of the material collecting bin is fixed with an elastic strip, the worm is located between the elastic strip and the material collecting bin, the elastic strip is connected with the worm in a sliding mode, and the elastic strip is located below the strip-shaped groove.

So, when the worm rotated to bar groove and the pay-off hole stagger, though the cigarette that is in the blind hole under the centrifugal force effect of worm has kept away from the bar groove, still there is the possibility that a cigarette throws out from the bar inslot, through the setting of elasticity strip for the bar groove rotates to and is restricted by the elasticity strip when staggering with the pay-off hole, avoids a cigarette phenomenon that drops to appear in the in-process of material loading.

Furthermore, the elastic strip is positioned in the middle of the strip-shaped groove.

Thus, the cigarette interception effect at the strip-shaped groove can be enhanced

Furthermore, the upper end of the material collecting bin is in an open shape.

Therefore, the cigarette can be conveniently and rapidly put into the collecting bin in large batch.

Furthermore, an inside wall of the aggregate bin is an inclined plate.

Therefore, the speed of rolling the cigarettes into the bottom of the collecting bin can be increased, the feeding time of cigarette detection is shortened, and the efficiency is improved.

Furthermore, the feeding structure further comprises a sliding rail, and the sliding rail is hinged with one end, far away from the support frame, of the worm.

The invention has the beneficial effects that: the method comprises the following steps that a cigarette to be detected is placed into a material collecting bin, when a servo motor rotates to drive a worm wheel to rotate, the worm wheel drives a worm to rotate, and when a strip-shaped groove is aligned with a discharging hole, the cigarette to be detected falls into a blind hole in the worm from the discharging hole and the strip-shaped groove; when servo motor rotates, also drive the rocker simultaneously and rotate, the rocker drives the connecting rod luffing motion, the connecting rod drives the relative frame luffing motion of support frame, the relative bracing piece downswing of worm when the pivoted, under the combined action of centrifugal force and gravity, make cigarette slip out to check out test set department in the blind hole of worm inside, servo motor rotates a week and can accomplish the pay-off that treats a cigarette with one, make the transport time of every cigarette equal, the check out test set discernment cigarette of being convenient for, servo motor's rotational speed is adjusted to the accessible in addition, reach the pay-off speed of control cigarette.

Drawings

FIG. 1 is a schematic structural diagram of a feeding structure for cigarette detection according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a top view of a feeding structure for cigarette testing according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic view of the worm of the present invention;

wherein: 100-feeding structure, 10-frame, 20-connecting rod, 30-rocker, 40-servo motor, 50-support frame, 60-worm wheel, 70-worm, 71-blind hole, 72-strip groove, 80-aggregate bin, 81-discharging hole, 82-bearing, 83-sloping plate, 90-elastic strip and 110-sliding rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the feeding structure 100 for cigarette detection of the present invention includes a frame 10 fixed on the plant floor, a collecting bin 80 is disposed on the frame 10, the upper end of the collecting bin 80 is open, the open end of the collecting bin 80 faces upward, so as to facilitate the introduction of the cigarette to be detected, an inclined plate 83 is disposed on a side wall of the collecting bin 80, one end of a conveyor belt for conveying the cigarette to be detected is located above the inclined plate 83, the cigarette to be detected falls on the inclined plate 83 from the conveyor belt, the inclined plate 83 can accelerate the rolling speed of the cigarette, and the cigarette rolls into the bottom of the collecting bin 80 along the inclined plate 83.

The other outer side surface of the collecting bin 80, which is far away from the inclined plate 83, is also in sliding connection with the rack 10, the collecting bin 80 can slide up and down along the rack 10, two bearings 82 are fixedly connected to the bottom of the collecting bin 80, the outer ring of each bearing 82 is welded with the bottom of the collecting bin 80, a worm 70 penetrates through the inner ring of each bearing 82, and the outer surface of the worm 70 is tangent to the bottom surface of the collecting bin 80. As shown in fig. 3, a discharging hole 81 is formed in the bottom of the collecting bin 80, as shown in fig. 5, a strip-shaped groove 72 is formed in the worm 70, the strip-shaped groove 72 is located right below the discharging hole 81, the lengths of the strip-shaped groove 72 and the discharging hole 81 are slightly larger than the length of a cigarette, and the widths of the strip-shaped groove 72 and the discharging hole 81 are slightly larger than the diameter of the cigarette, so that the cigarette in the collecting bin 80 can fall into the strip-shaped groove 72 from the discharging hole 81. One end of the worm 70 is further provided with a blind hole 71 along the longitudinal direction, and the blind hole 71 is communicated with the strip-shaped groove 72, so that cigarettes falling into the strip-shaped groove 72 can slide to the detection equipment along the blind hole 71.

The worm wheel 60 is meshed above the worm 70, the worm wheel 60 is driven by the servo motor 40, after the servo motor 40 is started, the worm 70 is driven by the worm wheel 60 to rotate, the strip-shaped groove 72 on the worm 70 rotates to be opposite to the discharging hole 81, cigarettes in the material collecting bin 80 fall into the blind hole 71, and under the action of centrifugal force generated by rotation of the worm 70, the cigarettes slide out to the detection equipment along the blind hole 71 to perform defect detection.

The rack 10 is also hinged with a support frame 50, one end of the worm 70, which is far away from the blind hole 71, is hinged with the support frame 50, and the servo motor 40 is also fixedly connected to the support frame 50. The output shaft of the servo motor 40 is hinged with a rocker 30, and one end of the rocker 30, which is far away from the servo motor 40, is hinged with a connecting rod 20. When the servo motor 40 is started, the worm 70 is driven to rotate, and simultaneously the rocker 30 is driven to rotate, the rocker 30 drives the connecting rod 20 to swing, the connecting rod 20 pushes the support frame 50 to swing up and down relative to the rack 10, so that the worm 70 and the worm wheel 60 on the support frame 50 are driven to swing down while rotating. The cigarette can slide downwards under the action of gravity in the worm 70, and the speed of sliding the cigarette out of the blind hole 71 is accelerated. In the process, the collecting bin 80 slides up and down relative to the rack 10 under the pulling of the worm 70, so that the collecting bin 80 and the worm 70 are always kept in a tangent state, and cigarettes are prevented from falling from the collecting bin 80 at will.

Specifically, the elastic strip 90 is fixed at the bottom of the material collecting bin 80, the elastic strip 90 is made of rubber bands, the worm 70 is located between the elastic strip 90 and the material collecting bin 80, the elastic strip 90 is in sliding connection with the worm 70, and the elastic strip 90 is located below the strip-shaped groove 72. The elastic strip 90 always abuts against the outer surface of the worm 70 under the elastic action of the elastic strip 90, and when the worm 70 rotates to the downward direction of the strip-shaped groove 72, the elastic strip 90 limits the strip-shaped groove 72 to prevent the cigarette from falling from the strip-shaped groove 72 at will. The elastic strip 90 is located at the middle position of the strip groove 72. The interception effect of cigarettes at the strip-shaped groove 72 can be enhanced.

Specifically, the feeding structure 100 further includes a slide rail 110, and the slide rail 110 is hinged to an end of the worm 70 away from the supporting frame 50. The end of the slide rail 110 remote from the worm 70 extends to a device for detecting defects in cigarettes. When the worm 70 is horizontally placed, the slide rail 110 is located at the end of the worm 70, and an included angle is formed between the slide rail 110 and the worm 70. When the worm 70 rotates downwards, the slide rail 110 gradually slides towards one end of the worm 70 far away from the blind hole 71 until the slide rail 110 is parallel to the worm 70, the cigarette to be detected falls onto the slide rail 110 from the blind hole 71, and finally slides to the cigarette defect detection equipment along the slide rail 110.

The working process of the feeding structure 100 for cigarette detection of the invention is as follows:

the servo motor 40 is started, the rocker 30 is driven by the servo motor 40 to rotate, the rocker 30 drives the connecting rod 20 hinged with the rocker 30 to swing relative to the frame 10, and under the reaction force applied to the rocker 30 by the connecting rod 20, the rocker 30 pushes the supporting frame 50 to swing up and down. The material collecting bin 80 is connected with the end of a conveying belt for conveying cigarettes, when the cigarettes on the conveying belt fall into the bottom of the material collecting bin 80 along an inclined plate 83, meanwhile, the worm wheel 60 is driven by the servo motor 40 to rotate, the worm wheel 60 drives the worm 70 to rotate until the strip-shaped groove 72 is aligned with the material discharging hole 81, the cigarettes enter the worm 70 from the material collecting bin 80, the cigarettes inside the worm 70 are thrown towards the direction of the slide rail 110 due to the centrifugal force when the worm 70 rotates, meanwhile, the worm 70 receives the cigarettes in the material collecting bin 80 from the horizontal state due to the vertical swing of the worm 70, the cigarettes are converted into the state of rotating to the same inclination relative to the slide rail 11, and finally, the cigarettes in the hollow rod 25 intermittently fall into equipment for detecting the cigarette defects along the slide rail 110 under the action of the centrifugal force and. The servo motor 40 rotates a week and can accomplish the pay-off with a detection cigarette for the transport time of every cigarette equals, and the check out test set of being convenient for discerns a cigarette, and servo motor's rotational speed is adjusted to the accessible in addition, reaches the pay-off speed of control cigarette.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.