CN107128548B - Hard box packaging machine tobacco bale conveying channel with online box cover separation function - Google Patents

Abstract

The invention relates to a device in a cigarette hard box packaging machine, in particular to a cigarette packet conveying channel of the hard box packaging machine with an online box cover separating function. Including supporting crane span structure, baffle and conveyer belt, install lid separator on tobacco bale transfer passage, it includes two pairs of differential transfer running rollers and drives the rotatory drive mechanism of differential transfer running roller along conveyer belt direction of transfer, and two pairs of differential transfer running rollers symmetrical arrangement are in the conveyer belt both sides, and every pair of differential transfer running roller includes a slow speed transfer running roller and a quick transfer running roller that arranges in proper order along conveyer belt direction of transfer. This tobacco bale transfer passage can carry out autosegregation to the lid of the hard box tobacco bale of lift formula flip that carries above that.

Description

Cigarette packet conveying channel of hard case packaging machine with online lid separation function

technical field

The invention relates to a device in a cigarette hard box packaging machine, in particular to a cigarette packet conveying channel of the hard box packaging machine.

Background technique

The ZB45 packaging unit is a GDX2 model introduced by China Tobacco Import and Export Corporation from Italy G.D Company, and handed over to Shanghai Tobacco Industrial Machinery Factory for localization. Among them, the YB45 hard box packaging machine is its main part, and the production capacity of this model is Up to 400 packs/minute, stable performance, high production efficiency, widely used in various cigarette manufacturers.

With the development of tobacco products, a small liftable clamshell box rigid packaging came into being. The traditional packaging methods including the ZB45 rigid box packaging machine can no longer meet the requirements of this packaging. The technical solution with the patent application number of 2017100939457.5 is an improvement to the main part of the ZB45 packaging unit, which can cut the integral trademark paper on the outer packaging of the cigarette package online, so as to realize the liftable clamshell cigarette package on the YB45 hard box packaging machine automated packaging.

In the actual production process, due to the cutting of the integral label paper without cutting the bottom, there may be a phenomenon that the label paper sticks to each other, or the phenomenon that the pull tab slides out of the paper jam slot of the inner frame, the former will cause the box cover to not be pulled out The lid cannot be opened if it is separated, and the latter will make the lid's pulling and opening less smooth. At present, on the production line, the lift-type flip-top hard cigarette packs with these quality defects still need to be manually inspected, screened and eliminated, which is inefficient and labor-intensive. If it is necessary to carry out online automatic detection and elimination of these defective cigarette packets, it is necessary to add a cigarette packet cover separation mechanism, a detection device and a waste cigarette packet removal mechanism on the cigarette packet conveying channel that transports the cigarette packets to the next process. device.

Contents of the invention

The object of the present invention is to provide a cigarette pack conveying channel of a hard box packaging machine with an online lid separation function, capable of automatically separating the lids of the lift-type reversible hard box cigarette packs conveyed on the cigarette pack conveying channel.

The cigarette packet conveying channel of the rigid box packaging machine with the function of separating the box cover online according to the present invention includes a supporting bridge, baffles located on both sides of the supporting bridge and a conveyor belt between the baffles, installed on the cigarette packet conveying channel There is a box cover separation device, which includes two pairs of differential transmission rollers and a transmission mechanism that drives the differential transmission rollers to rotate along the conveying direction of the conveyor belt. The two pairs of differential transmission rollers are symmetrically arranged on both sides of the conveyor belt. The high-speed conveying roller includes a slow conveying roller and a fast conveying roller arranged in sequence along the conveying direction of the conveyor belt. When the box cover separation device is running, the surface linear velocity of the slow conveying roller is smaller than that of the fast conveying roller. surface linear speed, but greater than or equal to the conveying speed of the conveyor belt; the distance between two slow conveying rollers is equal to the distance between two fast conveying rollers, but less than the distance between two baffles, also less than the thickness of the cigarette pack to be separated from the box cover; the distance between the centers of each pair of differential transmission rollers is less than the length of the cigarette pack when the box cover is not separated.

The transmission mechanism includes a gear reduction motor, a driving duplex pulley, two driven duplex pulleys, two driven pulleys, a tension pulley, two fast transmission shafts and two slow transmission shafts. The double pulley is keyed to the output shaft of the gear reduction motor, and is connected to one of the driven double pulleys through the first synchronous toothed belt, and the other driven double pulley is passed through the double-sided synchronous toothed belt It is connected with the tension pulley, and at the same time connected with the active duplex pulley through the double-sided synchronous toothed belt, and the driven duplex pulley and the slow transmission roller are respectively keyed to the two ends of the slow transmission shaft; one of them Only the driven double pulley is connected to one of the driven pulleys through the second timing belt, and the other driven double pulley is connected to the other driven pulley through the third timing belt. The driven pulley and the fast transmission roller are respectively keyed to the two ends of the fast transmission shaft.

The baffle plate is provided with a gap at the place where the lid separation device is installed, and two guide plates parallel to the baffle plate are installed at the gap, and the distance between the two guide plates is smaller than the distance between the two baffle plates. However, it is greater than the thickness of the cigarette package to be separated from the box cover. The two guide plates are opened outward at the input end of the cigarette package in the shape of a "eight"; the two guide plates are provided with through holes, and the two pairs of differential transmission rollers are respectively It is located on the outer side of the two guide plates, extends into the via hole, and protrudes from the inner side of the two guide plates.

The distance between the two slow conveying rollers and the distance between the two fast conveying rollers are 0.5-1.5mm smaller than the thickness of the cigarette pack to be separated from the lid.

The diameters of the two fast transmission rollers are identical to those of the two slow transmission rollers, and the rotational speed ratio of each pair of differential transmission rollers is 1.47.

Working process of the present invention is as follows:

When the lift-type hard-case cigarette packets produced by the rigid-box packaging machine are conveyed to the lid separation device through the conveyor belt on the cigarette packet conveying channel, first a pair of slow-speed conveying rollers and the large box lid of the cigarette packet (upper box cover), the cigarette package continues to move forward under the joint action of the agent pressure friction force of a pair of slow-speed conveying rollers and the conveyor belt, until the large box cover contacts a pair of fast-transmitting rollers and continues to move forward. When the cigarette package runs until a pair of fast conveying rollers contacts the large box cover, and a pair of slow conveying rollers contacts the small box cover (lower box cover), due to the difference between the fast conveying rollers and the slow conveying rollers, Quick action, the large box cover is separated from the small box cover. When the large and small box covers are separated to a predetermined distance, a pair of slow conveying rollers will break away from the small box cover, and the cigarette pack will continue to move forward under the pressure and friction of a pair of fast conveying rollers until it is in contact with the fast delivery rollers. The conveying rollers are out of contact, thereby realizing the separation of the cover of the lift-type hard box cigarette pack, and then the cigarette pack with the cover separated continues to move forward under the action of the conveyor belt.

If the integral trademark paper of the cigarette pack sticks to each other due to not cutting the bottom, or when the lid pull tab slides out of the inner frame paper jam slot, etc., the lid will not be separated or cannot be separated to a predetermined distance.

The two guide plates installed at the openings of the two baffles open outwards at the input end of the cigarette package in the shape of an "eight", so that the cigarette package can be smoothly introduced between the two guide plates. The distance between the two guide plates is smaller than the distance between the two baffle plates, so that the cigarette packets can be accurately and smoothly entered between a pair of slow-speed conveying rollers.

The distance between the two slow conveying rollers and between the two fast conveying rollers is 0.5-1.5mm smaller than the thickness of the cigarette pack to be separated, which can ensure that the conveying rollers have sufficient squeeze on the cigarette pack. Under the condition of pressure and friction, the cigarette package will not produce irreversible deformation and cause quality defects.

Since the present invention is equipped with a box cover separation device on the cigarette package conveying channel, it can realize online automatic separation of large and small cigarette package covers under the action of two pairs of differential transmission rollers of the device, so as to separate cigarette packages behind The detection of the condition and the rejection of the waste cigarette packs have created conditions. And because the surface linear velocity of the slow conveying roller is less than the surface linear velocity of the fast conveying roller, but greater than or equal to the conveying speed of the conveyor belt, during the separation process of the cigarette bales, the cigarette bales on the cigarette bale conveying channel will not In the event of blockage in the stacking of continuous packs, it will not affect the normal conveying operation of the cigarette packs on the cigarette pack conveying channel.

Description of drawings

Fig. 1 is the schematic diagram of front view of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the axonometric view of lid separating device among the present invention;

Fig. 4 is an axonometric view of another angle of the lid separation device;

Fig. 5 is a plan view of the transmission mechanism in the lid separating device.

Detailed ways

The present invention is described in further detail in conjunction with accompanying drawing now.

As shown in Figures 1 to 5, the cigarette packet conveying channel of the hard box packaging machine with the function of separating the lid on the line includes a supporting bridge 1 at the bottom of the cigarette packet conveying channel, baffles 3 on both sides of the supporting bridge 1 and a Conveyor belt 2 between two baffles 3. A box cover separation device is installed on the cigarette package conveying channel, which includes two pairs of differential transmission rollers and a transmission mechanism that drives the differential transmission rollers to rotate along the conveying direction of the conveyor belt 2 . The box cover separation device is installed at a section of the gap between the two baffles 3, and two guide plates 4 parallel to the baffle 3 are installed at the gap, and the distance between the two guide plates 4 is smaller than that between the two baffles 3. The distance between them, but greater than the thickness of the cigarette pack 10 intended to separate the lid, two guide plates 4 are outwardly opened at the input end of the cigarette pack 10 in a "eight" shape. The two guide plates 4 are provided with via holes, and the two pairs of differential transmission rollers are located on the outer sides of the two guide plates 4 respectively, and extend into the via holes, protruding from the inner surfaces of the two guide plates 4, so that the two pairs The differential transmission rollers are arranged symmetrically on both sides of the conveyor belt 2 . Each pair of differential transmission rollers includes a slow transmission roller 5 and a fast transmission roller 6 arranged in sequence along the conveying direction of the conveyor belt 2, a total of two slow transmission rollers 5 and two fast transmission rollers 6. The diameters of the two fast delivery rollers 6 are identical to the diameters of the two slow delivery rollers 5 . When the lid separation device was in operation, the surface linear velocity of the slow conveying roller 5 was less than the surface linear velocity of the fast conveying roller 6, but greater than (also equal to) the conveying speed of the conveyor belt 2, the fast conveying roller 6 and the slow conveying roller The speed ratio of the speed transmission roller 5, that is, the ratio of the speed of every pair of differential transmission rollers is 1.47. The distance between two slow transmission rollers 5 equals the distance between two fast transmission rollers 6, and this distance is certainly less than the distance between two guide plates 4 and the distance between two baffle plates 3, also The distance is less than the thickness of the cigarette pack 10 to be separated from the lid, and the distance is 0.5 to 1.5 mm smaller than the thickness of the cigarette pack 10 to be separated from the lid, and the distance between the centers of each pair of differential transmission rollers is less than that of the unseparated lid. When the length of cigarette pack 10, can guarantee like this two pairs of differential transmission rollers can act on the cigarette pack 10 that intends to carry out lid separation simultaneously.

The transmission mechanism includes a gear reduction motor 9, a driving duplex pulley 12, two driven duplex pulleys 15, two driven pulleys 17, a tension pulley 13, two fast transmission shafts 7 and two The slow transmission shaft 8, the driving double pulley 12 is keyed to the output shaft of the gear reduction motor 9, and is connected to one of the driven double pulleys 15 through the first synchronous toothed belt 11, and the other driven The duplex pulley 15 is connected with the tension pulley 13 through the double-sided synchronous toothed belt 14, and is connected with the active duplex pulley 12 through the double-sided synchronous toothed belt 14 at the same time, and the driven duplex pulley 15 and the slow speed The transmission rollers 5 are keyed to the two ends of the slow drive shaft 8 respectively; one of the driven double pulleys 15 is connected with one of the driven pulleys 17 through the second synchronous toothed belt 18, and the other is driven from the The moving duplex belt pulley 15 is connected with another driven pulley 17 through the third synchronous toothed belt 16, and the driven pulley 17 and the fast transmission roller 6 are keyed to the two ends of the fast transmission shaft 7 respectively.

When the lifting-type hard-case cigarette pack 10 produced by the hard-pack packaging machine is conveyed to the lid separation device through the conveyer belt 2 on the cigarette pack conveying channel, first a pair of slow-speed conveying rollers 5 and the large cigarette pack 10 When the lid contacts, the cigarette pack 10 continues to move forward under the joint action of the agent pressure friction force of a pair of slow delivery rollers 5 and the conveyor belt 2 until the large box cover contacts a pair of fast delivery rollers 6 and continues to move forward. before running. When the cigarette pack 10 moves to a pair of fast delivery rollers 6 and the large box cover contacts, and a pair of slow delivery rollers 5 contacts with the small box cover, due to the difference between the fast delivery rollers 6 and the slow delivery rollers 5 Quick action, the large box cover is separated from the small box cover. When the large and small box covers are separated to a predetermined distance, a pair of slow-speed delivery rollers 5 are out of contact with the small box cover, and the cigarette pack 10 continues to move forward under the pressure and friction of a pair of fast delivery rollers 6, Until it is out of contact with the fast conveying roller 6, the separation of the liftable hard box cigarette cover is realized, and then the cigarette package 10 with the cover in a separated state continues to move forward under the action of the conveyor belt 2.

Claims (6)

1. The cigarette packet conveying channel of the rigid box packaging machine with the function of separating the lid on the line, including the supporting bridge (1), the baffles (3) on both sides of the supporting bridge and the conveyor belt (2) between the baffles, its It is characterized in that a box cover separation device is installed on the cigarette package conveying channel, which includes two pairs of differential transmission rollers and a transmission mechanism that drives the differential transmission rollers to rotate along the conveying direction of the conveyor belt, and the two pairs of differential transmission rollers are symmetrical Arranged on both sides of the conveyor belt, each pair of differential transmission rollers includes a slow transmission roller (5) and a fast transmission roller (6) arranged in sequence along the conveying direction of the conveyor belt. , the surface linear velocity of the slow conveying roller is less than the surface linear velocity of the fast conveying roller, but greater than or equal to the conveying speed of the conveyor belt; the distance between the two slow conveying rollers is equal to the distance between the two fast conveying rollers The distance between them, but less than the distance between the two baffles, is also less than the thickness of the cigarette pack to be separated from the box cover; the distance between the centers of each pair of differential transmission rollers is less than the length of the cigarette pack when the box cover is not separated . 2. According to claim 1, the cigarette packet conveying channel of the rigid box packaging machine with the function of separating the lid online, is characterized in that: the transmission mechanism includes a gear reduction motor (9), a driving double pulley (12), two Only driven duplex pulley (15), two driven pulleys (17), tension pulley (13), two fast drive shafts (7) and two slow drive shafts (8), driving double The combined pulley is keyed to the output shaft of the gear reduction motor, and is connected to one of the driven double pulleys through the first synchronous toothed belt (11), and the other driven double pulley is passed through the double-sided synchronous gear The belt (14) is connected with the tension pulley, and at the same time is connected with the active duplex pulley through the double-sided synchronous toothed belt, and the driven duplex pulley and the slow transmission roller are respectively connected with the two ends of the slow transmission shaft key connection; one of the driven double pulleys is connected with one of the driven pulleys through the second timing belt (18), and the other driven double pulley is connected through the third timing belt (16 ) is connected with the other driven pulley, and the driven pulley and the fast transmission roller are respectively keyed to the two ends of the fast transmission shaft. 3. According to claim 1, the cigarette packet conveying channel of the rigid box packaging machine with the function of separating the box cover online is characterized in that: the baffle plate (3) has a gap at the place where the box cover separating device is installed, and in the gap Two guide plates (4) parallel to the baffle are installed at the position, the distance between the two guide plates is smaller than the distance between the two baffle plates, but greater than the thickness of the cigarette package to be separated from the box cover, the two guide plates The plate opens out at the input end of the cigarette package in the shape of "eight"; two guide plates are provided with through holes, and two pairs of differential transmission rollers are respectively located on the outer sides of the two guide plates and extend into the through holes. Protrude from the inner sides of the two guide plates. 4. According to claim 1, the cigarette packet conveying channel of the rigid box packing machine with the function of separating the lid online, is characterized in that: the distance between the two slow conveying rollers (5) and the distance between the two fast conveying rollers (6) The distances between them are all 0.5-1.5 mm smaller than the thickness of the pack of cigarettes to be separated. 5. According to claim 1, the cigarette packet conveying channel of the rigid box packaging machine with the function of separating the lid online is characterized in that: the diameter of the two fast conveying rollers (6) is the same as that of the two slow conveying rollers (5) of the same diameter. 6 . According to claim 1 , the cigarette packet conveying channel of the rigid box packaging machine with the function of separating the lids online is characterized in that: the speed ratio of each pair of differential conveying rollers is 1.47.

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