CN214776816U

CN214776816U - Packagine machine cellophane tension detection device

Info

Publication number: CN214776816U
Application number: CN202121290993.2U
Authority: CN
Inventors: 夏尚华; 陈玉杰; 姜昆
Original assignee: China Tobacco Anhui Industrial Co Ltd
Current assignee: China Tobacco Anhui Industrial Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-19
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a packagine machine cellophane power detection device relates to cigarette package production technical field, and the sub-unit connection of carousel has the arc, is equipped with speed governing detection head and shutdown detection head down on the arc, and under the arc was located to the switch box, its top was equipped with speed governing switch and shutdown switch, and when the movable support was static, speed governing switch and shutdown switch all were located speed governing detection head and shutdown detection head between the clearance under, and speed governing switch and shutdown switch are proximity switch. The utility model is provided with the arc plate with the downward speed-regulating detection head and the shutdown detection head below the turntable, when the transparent paper conveying tension is large, the movable bracket drives the speed-regulating detection head to swing and approach and trigger the speed-regulating switch, so that the unwinding speed of the pull coil is increased, and the adaptive adjustment of the transparent paper conveying tension is realized; when the tension of the transparent paper is too large and the transparent paper is broken, the movable support drives the stop detection head to approach and trigger the stop switch, so that the stop is automatically realized, and the safe production is ensured.

Description

Packagine machine cellophane tension detection device

Technical Field

The utility model relates to a cigarette packaging production technical field, concretely relates to tension detection device is carried to cellophane.

Background

The transparent paper is one of the most common packing materials in cigarette packing, and in the cigarette packing process, the transparent paper is tensioned on each conveying guide roller arranged along a conveying path, conveyed to a specified station under the unwinding action of a stay wire coil motor and adhered to a small box. In actual production, the tension on the transparent paper cannot be maintained at a constant value in the transparent paper conveying process due to the fact that the unwinding speed of the wire drawing coil cannot be guaranteed to be absolutely constant, or due to other reasons such as equipment vibration and the like. In the prior art, a rotatable rotating support is arranged in a transparent paper conveying path, a spring is arranged at one end of the rotating support, and the rotating angle of a movable support is adaptively regulated and controlled by the elasticity of the spring, so that the fine adjustment of the total length of the transparent paper conveying path is realized, and the regulation and control of the tension on the transparent paper are realized within a certain range. However, the regulation range of the structure is very limited, the problems of conveying and deflection of the transparent paper caused by non-tensioning cannot be avoided, and even the situation that the packaging machine continues to work after the transparent paper is broken due to overlarge force exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just in order to avoid the weak point that above-mentioned prior art exists, provide a packagine machine cellophane power detection device.

The utility model discloses a solve technical problem and adopt following technical scheme: a tension detection device for transparent paper of a packaging machine is characterized in that a rotary table is rotatably arranged on a rack, the upper part of the rotary table is connected with a fixed movable support, one end of each movable support is rotatably provided with support conveying rollers in rows, and the other end of each movable support is connected with the rack through a spring; the frame is also provided with various frame conveying rollers, transparent paper sequentially winds the frame conveying rollers and the support conveying rollers in a snake shape in sequence, the acting force of the transparent paper or the spring on the movable support tends to make the movable support rotate forwards or reversely respectively, the lower part of the rotary table is fixedly connected with an arc-shaped plate with a downward arc-shaped edge, one side of the arc-shaped edge of the arc-shaped plate, which is close to the various support conveying rollers, is provided with a downward speed regulation detecting head, and one side of the arc-shaped edge of the arc-shaped plate, which is close to the spring, is provided with a downward shutdown detecting head; the switch box is arranged under the arc-shaped plate, the top of the switch box is respectively provided with a speed regulating switch at one side close to the speed regulating detection head upwards, and a stop switch is arranged at one side close to the stop detection head upwards; the distance between the speed regulation detection head and the shutdown detection head is larger than the distance between the speed regulation switch and the shutdown switch, when the movable support is static, the speed regulation switch and the shutdown switch are both positioned under the gap between the speed regulation detection head and the shutdown detection head, and the speed regulation switch and the shutdown switch are both proximity switches.

Furthermore, the speed regulation detection head is of a step structure with the height decreasing gradually from the side far away from the speed regulation switch to the side close to the speed regulation switch.

Furthermore, the turntable is rotatably connected with the rack through a connecting shaft and a connecting bearing.

Furthermore, the rack is also provided with a limit pin for limiting the rotation range of the movable support.

The utility model provides a packagine machine cellophane power detection device has following beneficial effect:

1. the utility model is provided with the arc plate with the downward speed-regulating detection head and the shutdown detection head below the turntable, when the tension of the transparent paper is large in the transparent paper conveying process, the movable bracket drives the speed-regulating detection head to swing and approach and trigger the speed-regulating switch, so that the unwinding speed of the pull coil is increased, and the adaptive regulation of the transparent paper conveying tension is realized; when the tension of the transparent paper is too large and the transparent paper is broken, the movable bracket drives the stop detection head to approach and trigger a stop switch, so that the stop is automatically realized, and the safe production is ensured;

2. the utility model discloses a speed governing detection head sets up to the notch cuttype structure, and the speed governing switch is proximity switch, can realize the hierarchical regulation of wire drawing book unwinding speed with the notch cuttype speed governing detection head cooperation, further improves the regulation effect of wire drawing book unwinding speed regulation, improves the stability that the cellophane was carried;

3. the utility model discloses simple structure, use convenient, have good practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure:

1. a frame 11, a frame conveying roller; 2. the device comprises a movable support 21, a support conveying roller 22, a rotary table 23, an arc-shaped plate 24, a speed regulation detection head 25, a stop detection head 26 and a spring; 3. a switch box 31, a speed regulating switch 32 and a stop switch; 4. a transparent paper.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the structural relationship is: the turntable 22 is rotatably mounted on the frame 1, the upper part of the turntable is connected with the fixed movable supports 2, one ends of the movable supports 2 are rotatably mounted with the support conveying rollers 21 in rows, and the other ends of the movable supports 2 are connected with the frame 1 through springs 26; the machine frame 1 is also provided with various machine frame conveying rollers 11, the transparent paper 4 sequentially winds through the various machine frame conveying rollers 11 and various support conveying rollers 21 in a snake shape, the acting force of the transparent paper 4 or a spring 26 on the movable support 2 tends to make the movable support 2 rotate forward or reversely respectively, the lower part of the rotary table 22 is fixedly connected with an arc-shaped plate 23 with a downward arc-shaped edge, one side of the arc-shaped edge of the arc-shaped plate 23, which is close to the various support conveying rollers 21, is provided with a downward speed regulation detecting head 24, and one side of the arc-shaped edge, which is close to the spring 26, is provided with a downward halt detecting head 25; the switch box 3 is arranged right below the arc-shaped plate 23, the top of the switch box is respectively provided with a speed regulating switch 31 which is arranged upwards at one side close to the speed regulating detection head 24, and a shutdown switch 32 which is arranged upwards at one side close to the shutdown detection head 25; the distance between the speed regulation detection head 24 and the stop detection head 25 is larger than the distance between the speed regulation switch 31 and the stop switch 32, when the movable support 2 is static, the speed regulation switch 31 and the stop switch 32 are both positioned under the gap between the speed regulation detection head 24 and the stop detection head 25, and the speed regulation switch 31 and the stop switch 32 are both proximity switches.

Preferably, the speed-regulating detection head 24 has a step-shaped structure with gradually decreasing height from the side far away from the speed-regulating switch 31 to the side close to the speed-regulating switch 31.

Preferably, the turntable 22 is rotatably connected to the frame 1 through a connecting shaft and a connecting bearing.

Preferably, the frame 1 is further provided with a limit pin for limiting the rotation range of the movable support 2.

When the speed-regulating type wire drawing reel is used specifically, in the process of conveying the transparent paper 4, when the tension of the transparent paper 4 is large, the elastic force of the spring 26 is overcome to drive the movable support 2 to rotate in the forward direction, the speed-regulating detection head 24 is enabled to rotate to be close to and trigger the speed-regulating switch 31, and the speed-regulating switch 31 controls the wire drawing reel to increase the unreeling speed according to the set speed-regulating value and the distance between the speed-regulating detection head 24 and the speed-regulating detection head so as to reduce the tension of the transparent paper 4.

When the tension of the transparent paper 4 is too large and the transparent paper is broken, the tension on the transparent paper disappears, the movable support 2 reversely rotates under the action of the elastic force of the spring 26, the stop detection head 25 is enabled to be close to and trigger the stop switch 32, and the stay wire coil is controlled to stop so as to ensure the safety of production.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A tension detection device for transparent paper of a packaging machine is characterized in that a rotary table (22) is rotatably arranged on a rack (1), the upper part of the rotary table is connected with a fixed movable support (2), one end of each movable support (2) is rotatably provided with support conveying rollers (21) in a row, and the other end of each movable support is connected with the rack (1) through a spring (26); still be equipped with each frame conveying roller (11) on frame (1), cellophane (4) are snakelike in proper order and wind in proper order and establish through each frame conveying roller (11) and each support conveying roller (21), cellophane (4) or spring (26) tend to respectively to the effort of movable support (2) makes movable support (2) forward or reverse rotation, its characterized in that: the lower part of the rotary table (22) is fixedly connected with an arc-shaped plate (23) with an arc-shaped edge facing downwards, a downward speed regulation detection head (24) is arranged on one side, close to each support conveying roller (21), of the arc-shaped edge of the arc-shaped plate (23), and a downward shutdown detection head (25) is arranged on one side, close to the spring (26), of the arc-shaped edge; the switch box (3) is arranged under the arc-shaped plate (23), the top of the switch box is respectively provided with a speed regulating switch (31) upwards at one side close to the speed regulating detection head (24), and a shutdown switch (32) upwards at one side close to the shutdown detection head (25); speed governing detects head (24) with interval between halt detection head (25) is greater than speed governing switch (31) with interval between stop switch (32), just when movable support (2) are static, speed governing switch (31) with stop switch (32) all are located speed governing detects head (24) with under the clearance between halt detection head (25), speed governing switch (31) with stop switch (32) are proximity switch.

2. The apparatus for detecting tension of transparent paper for packing machine as claimed in claim 1, wherein: the speed regulation detection head (24) is of a step type structure with the height decreasing gradually from one side far away from the speed regulation switch (31) to one side close to the speed regulation switch (31).

3. The apparatus for detecting tension of transparent paper for packing machine as claimed in claim 1, wherein: the rotary table (22) is rotatably connected with the rack (1) through a connecting shaft and a connecting bearing.

4. The apparatus for detecting tension of transparent paper for packing machine as claimed in claim 1, wherein: and the rack (1) is also provided with a limiting pin for limiting the rotation range of the movable support (2).