A roller conveyor for processing packaging boxes

Abstract

The present invention discloses a roller conveyor for processing packaging boxes, belonging to the field of packaging box transportation, including a roller conveyor body and a material roller rotatably connected inside the roller conveyor body. A side plate is fixedly connected to the upper side of the roller conveyor body, a control panel is provided on the front surface of the roller conveyor body, and a material guiding component is provided on the upper side of the roller conveyor body. The material guiding component includes first chutes opened on the upper and lower sides of the front surface of the horizontal part of the side plate. A first slider is slidably connected inside the first chutes. In the present invention, the provided baffle moves together with the stacked materials and presses the upper part of the materials at the same time. Since the stacked materials are always in contact with the baffle when turning, and the baffle can block the materials when they stop suddenly. At the same time, the counterweight plate above the materials will also press the upper part of the materials to prevent the materials from tilting or falling due to inertia when they stop moving.

Description

Technical Field

[0001] The present invention relates to the field of packaging box transportation, and more specifically, to a roller conveyor for processing packaging boxes. Background Art

[0002] A roller conveyor, also known as a roller conveyor or roller track conveyor, is a mechanical device that uses the rotation of rollers to transport items. In the field of packaging box processing, roller conveyors are mainly used to transport various packaging boxes, cartons, etc., to achieve an automated and continuous production process. Roller conveyors are suitable for transporting items with a flat bottom, such as packaging boxes, cartons, etc. At the same time, they can also withstand large impact loads and are suitable for transporting heavier items. A roller conveyor mainly consists of driving rollers, a frame, brackets, a driving device, etc., and has a simple structure, easy to install and maintain.

[0003] During the processing of packaging boxes, roller conveyors are widely used in automated production lines. For example, in the transportation, sorting, stacking, etc. of packaging boxes, roller conveyors can play an important role. Through cooperation with other transportation equipment and special machines, automated processing and transportation of packaging boxes can be achieved, improving production efficiency and product quality. The packaging boxes transported by the roller conveyor are prone to deviation when turning. Therefore, after deviation occurs, it is necessary to check whether the rollers and other components of the internal counterweight of the roller conveyor are faulty or worn;

[0004] In the prior art, since paper packaging boxes are usually transported in a flattened state through a roller conveyor during production, to improve the transportation efficiency of packaging boxes, multiple packaging boxes are generally stacked together for transportation. However, when the stacked cardboard of the packaging boxes turns, the stacked cardboard of the packaging boxes will tilt due to inertia, resulting in the subsequent transportation of the stacked cardboard of the packaging boxes being prone to falling or toppling. Summary of the Invention

[0005] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a roller conveyor for processing packaging boxes.

[0006] To solve the above problems, the present invention adopts the following technical solutions, which can block the stacked materials, and at the same time, the counterweight plate above the materials will also press the upper part of the materials to prevent the materials from tilting or falling due to inertia when they stop moving.

[0007] A roller conveyor for processing packaging boxes includes a roller conveyor body and a material roller rotatably connected inside the roller conveyor body. A side plate is fixedly connected to the upper side of the roller conveyor body, a control panel is provided on the front of the roller conveyor body, and a material guiding component is provided on the upper side of the roller conveyor body;

[0008] The material guiding component includes first sliding grooves opened on the upper and lower sides of the front surface of the horizontal part of the side plate. A first slider is slidably connected inside the first sliding grooves. A baffle is fixedly connected to the front surfaces of the two first sliders. A first roller is rotatably connected to the back surface of the first slider. A fixing plate is fixedly connected to the right side of the baffle. A rotating plate is hinged to the right side of the fixing plate. Guide holes are penetrated and opened on the left and right sides of the vertical part of the side plate. The right side of the rotating plate is inserted into the guide holes. A driving member is arranged on the back surface of the horizontal part of the side plate. A sleeve is fixedly connected to the back surface of the baffle. A counterweight plate is slidably connected to the left side of the baffle.

[0009] Further, the driving member includes a servo motor, a lead screw and a lead screw nut. The servo motor is fixedly installed at the rear part on the right side of the vertical part of the side plate. The right end of the lead screw is fixedly connected to the output end of the servo motor. The lead screw nut is threadedly connected to the outside of the lead screw. The sleeve is movably sleeved on the outside of the lead screw nut. The sleeve penetrates through the horizontal part of the side plate.

[0010] Further, a height adjusting component is jointly arranged on the upper side of the roller conveyor body and the left side of the baffle. The height adjusting component includes second sliding grooves opened on the front and rear parts on the left side of the baffle.

[0011] Further, a second slider is slidably connected inside the second sliding grooves. The left side of the second slider is fixedly connected to the right side of the counterweight plate. A support seat is fixedly connected to the rear part on the left side of the upper end of the roller conveyor body, and the inclined surface of the support seat faces the baffle. An embedding groove is opened on the inclined surface of the support seat. A support bar is fixedly connected to the back surface of the counterweight plate, and an inclined surface is arranged on the left side of the support bar. A second roller is rotatably connected to the inclined surface of the support bar. The lower side of the support bar is in sliding contact with the upper side of the support seat. After the support bar moves to the right, the inclined surface of the support bar is in sliding contact with the inclined surface of the support seat. After the inclined surface of the support bar contacts the inclined surface of the support seat, the second roller is in rolling contact inside the embedding groove.

[0012] Further, pressing components are arranged inside, on the upper and lower sides of the counterweight plate. The pressing components include electric push rods fixedly installed on the upper side of the counterweight plate, and the electric push rods penetrate through the counterweight plate.

[0013] Further, a pressing disc is fixedly connected to the telescopic end of the electric push rod. An air bag is squeezed and contacted on the lower side of the pressing disc. Limiting rods are fixedly connected to the upper left and right sides of the air bag. Limiting grooves are opened on the lower left and right sides of the counterweight plate. The limiting rods are slidably connected inside the limiting grooves. First pressure sensors are fixedly installed on the upper sides inside the limiting grooves. An air delivery pipe is fixedly installed on the upper side of the air bag, and the air delivery pipe is communicated with the air bag. The other end of the air delivery pipe is communicated with an external air supply device.

[0014] Further, a thickness detection component is jointly provided on the front surface and inside of the support base, and the thickness detection component includes a moving groove opened on the front surface of the support base.

[0015] Further, a moving plate is slidably connected inside the moving groove, a thin plate is fixedly connected to the front surface of the moving plate, an inclined surface is provided below the left side of the thin plate, a first pressure spring is fixedly connected to the upper side of the moving plate, the other end of the first pressure spring is fixedly connected to a pressing plate, a second pressure sensor is fixedly installed on the upper side inside the moving groove, and the upper side of the pressing plate is in pressing contact with the lower side of the second pressure sensor.

[0016] Further, a cleaning component is provided on the lower side inside the roller conveyor body, and the cleaning component includes a support plate fixedly connected to the lower side inside the roller conveyor body, longitudinally linearly arrayed positioning guide rails fixedly connected to the upper side of the support plate, positioning blocks slidably connected in a transverse linear array inside the positioning guide rails, a scraping plate fixedly connected to the upper side of the positioning blocks, and second pressure springs fixedly connected between the lower ends of the positioning blocks and the positioning guide rails.

[0017] Further, a monitoring component is provided inside the support plate, and the monitoring component includes insertion grooves horizontally linearly arrayed and penetrating through the top of the inner wall at the rear end of the positioning guide rail, a clamping plate is inserted inside the insertion groove, a trigger plate is fixedly connected to the back of a single horizontal clamping plate, the positioning block moves upward and is in pressing contact with the inclined surface of the clamping plate, third pressure springs are fixedly connected to the left and right sides at the rear end of the trigger plate, third pressure sensors are longitudinally linearly arrayed on the left and right sides inside the support plate, the other end of the third pressure spring is sleeved outside the third pressure sensor, and after the positioning block presses the clamping plate, the trigger plate is in pressing contact with the third pressure sensor, and two horizontally corresponding third pressure sensors are fixedly installed on the left and right sides of the back of the corresponding positioning guide rail.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] (1) In the present invention, the baffle provided moves together with the stacked materials, and at the same time presses the upper part of the materials. Since the stacked materials are always in contact with the baffle when turning, the baffle can block the materials when the materials stop suddenly. At the same time, the counterweight plate above the materials will also press the upper part of the materials to prevent the materials from tilting or falling due to inertia when they stop moving.

[0020] (2) In the present invention, the support bar is arranged to slide on the surface of the support base, so that the height of the counterweight plate can be adjusted correspondingly according to the height of the material. During the process of the stacked material pushing the baffle, the height of the counterweight can be adjusted according to the position of the material and the support bar on the inclined surface of the support base, so that when the roller conveyor body conveys materials of different heights, the materials can still be pressed by the counterweight plate and the pressing assembly to ensure the stability of the stacked materials during turning.

[0021] (3) In the present invention, after the airbag is squeezed by the pressing disc, it always provides the same pressing force. Since the counterweight plate presses the material, the pressing disc will also press the airbag at the same time. Due to the stable air pressure inside the airbag, the pressure when the airbag presses the material remains stable, so as to avoid damage to the material caused by excessive pressing force. Brief Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of the present invention;

[0023] Figure 2 is a schematic sectional structural diagram of the present invention;

[0024] Figure 3 is of the present invention Figure 2 enlarged schematic diagram at A;

[0025] Figure 4 is a schematic structural diagram of the support base of the present invention;

[0026] Figure 5 is a schematic structural diagram of the baffle of the present invention;

[0027] Figure 6 is a schematic sectional structural diagram of the counterweight plate of the present invention;

[0028] Figure 7 is a schematic sectional structural diagram of the pallet of the present invention;

[0029] Figure 8 is a schematic sectional structural diagram of the positioning guide rail of the present invention.

[0030] Explanation of Reference Numerals:

[0031] 1. Drum conveyor body; 101, material roller; 11, side plate; 12, control panel; 2, material guiding component; 21, baffle; 22, first chute; 221, first slider; 222, first roller; 23, fixing plate; 231, rotating plate; 232, guiding hole; 24, driving component; 241, servo motor; 242, lead screw; 243, lead screw nut; 25, sleeve; 26, counterweight plate; 27, height adjustment component; 271, second chute; 272, second slider; 273, support seat; 274, embedding groove; 275, support bar; 276, second roller; 28, pressing component; 281, electric push rod; 282, pressing disc; 283, air bag; 284, limiting rod; 285, limiting groove; 286, first pressure sensor; 287, air delivery pipe; 29, thickness detection component; 291, moving groove; 292, moving plate; 293, thin sheet; 294, first pressure spring; 295, extrusion plate; 296, second pressure sensor; 3, cleaning component; 31, supporting plate; 32, positioning guide rail; 33, positioning block; 34, scraping plate; 35, second pressure spring; 36, monitoring component; 361, inserting groove; 362, clamping plate; 363, triggering plate; 364, third pressure spring; 365, third pressure sensor. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] Please refer to Figures 1 to 8 , a drum conveyor for processing packaging boxes, including a drum conveyor body 1 and a material roller 101 rotatably connected inside the drum conveyor body 1. A side plate 11 is fixedly connected to the upper side of the drum conveyor body 1, a control panel 12 is provided on the front surface of the drum conveyor body 1, and a material guiding component 2 is provided on the upper side of the drum conveyor body 1;

[0034] The material guiding component 2 includes first sliding grooves 22 formed on the upper and lower sides of the front surface of the horizontal part of the side plate 11. A first sliding block 221 is slidably connected inside the first sliding groove 22. A baffle 21 is fixedly connected to the front surfaces of the two first sliding blocks 221. A first roller 222 is rotatably connected to the back surface of the first sliding block 221. A fixing plate 23 is fixedly connected to the right side of the baffle 21. A rotating plate 231 is hinged to the right side of the fixing plate 23. Guide holes 232 are formed through the left and right sides of the vertical part of the side plate 11. The right side of the rotating plate 231 is inserted into the guide holes 232. A driving member 24 is arranged on the back surface of the horizontal part of the side plate 11. A sleeve 25 is fixedly connected to the back surface of the baffle 21. A counterweight plate 26 is slidably connected to the left side of the baffle 21.

[0035] The driving member 24 includes a servo motor 241, a lead screw 242 and a lead screw nut 243. The servo motor 241 is fixedly installed at the rear right side of the vertical part of the side plate 11. The right end of the lead screw 242 is fixedly connected to the output end of the servo motor 241. The lead screw nut 243 is threadedly connected to the outside of the lead screw 242. The sleeve 25 is movably sleeved on the outside of the lead screw nut 243. The sleeve 25 penetrates through the horizontal part of the side plate 11.

[0036] A height adjusting component 27 is jointly arranged on the upper side of the roller conveyor body 1 and the left side of the baffle 21.

[0037] By adopting the above technical solutions, first, when the roller conveyor body 1 conveys the stacked materials through the material rollers 101, before the stacked materials are fed from the horizontally arranged material rollers 101 to the vertically arranged material rollers 101, the stacked materials will first come into contact with the stacked materials, and the stacked materials will push the baffle 21. Through the control of the control panel 12, the roller conveyor body 1 will start the servo motor 241 in the driving member 24 to drive the lead screw 242 to rotate, so that the lead screw 242 will drive the lead screw nut 243 outside it and the sleeve 25 outside the lead screw nut 243 to start moving to the right. Since the sleeve 25 passes through the side plate 11 and is fixed to the baffle 21, the baffle 21 will also move with it and always follow the stacked materials. During the movement of the baffle 21 to the right, the counterweight plate 26 on the left side of the baffle 21 will slowly move downward, and finally press the upper side of the stacked materials, and the counterweight plate 26 always follows the baffle 21. At the same time, the back surface of the baffle 21 will slide inside the first sliding groove 22 through the first sliding block 221 and the rotatable first roller 222 inside the first sliding block 221, and the rotating plate 231 hinged to the fixing plate 23 will also slide inside the guide groove under the push of the baffle 21;

[0038] It should be noted that since the shape of the rotating plate 231 is adapted to the guide groove, after the stacked materials push the baffle 21, if the baffle 21 tilts, the rotating plate 231 hinged to the fixed plate 23 will be restricted by the guide groove and finally support one side of the baffle 21, enabling the baffle 21 to still move freely. After the right side of the baffle 21 is in vertical contact with the side plate 11, when the materials in the moving process suddenly stop moving, the inertia generated will drive the materials to tilt towards the direction of the baffle 21. At this time, the baffle 21 can block the materials. Since the stacked materials are always in contact with the baffle 21 during turning, and the baffle 21 can block the materials when the materials stop suddenly, at the same time, the counterweight plate 26 above the materials will press the upper part of the materials to prevent the materials from tilting or falling due to inertia when they stop moving.

[0039] As Figure 1 、 Figure 2 and Figure 4 shown, a height adjustment component 27 is jointly provided on the upper side of the roller conveyor body 1 and the left side of the baffle 21. The height adjustment component 27 includes second chutes 271 opened at the front and rear parts on the left side of the baffle 21.

[0040] A second slider 272 is slidably connected inside the second chute 271. The left side of the second slider 272 is fixedly connected to the right side of the counterweight plate 26. A support seat 273 is fixedly connected to the rear part on the left side of the upper end of the roller conveyor body 1, and the inclined surface of the support seat 273 faces the baffle 21. An embedding groove 274 is opened on the inclined surface of the support seat 273. A support bar 275 is fixedly connected to the back of the counterweight plate 26, and the left side of the support bar 275 is provided with an inclined surface. A second roller 276 is rotatably connected to the inclined surface of the support bar 275. The lower side of the support bar 275 is in sliding contact with the upper side of the support seat 273. After the support bar 275 moves to the right, the inclined surface of the support bar 275 is in sliding contact with the inclined surface of the support seat 273. After the inclined surface of the support bar 275 contacts the inclined surface of the support seat 273, the second roller 276 is in rolling contact inside the embedding groove 274.

[0041] Pressing components 28 are provided inside, above and below the counterweight plate 26.

[0042] By adopting the above technical solution, first, during the process of the baffle 21 moving to the right, the support bar 275 will move together with the counterweight plate 26. At this time, the support bar 275 will gradually lose the support from the support seat 273. Meanwhile, the second slider 272 fixed to the counterweight plate 26 will also slide in the second chute 271 on the left side of the baffle 21. As the baffle 21 continues to move to the right, the second roller 276 on the inclined surface of the support bar 275 will roll in the embedded groove 274 on the inclined surface of the support seat 273 and gradually move downward obliquely. When the counterweight plate 26 and the pressing assembly 28 below it come into contact with the material, the counterweight plate 26 will stop moving downward. After the material is sent away by the longitudinally arranged rollers, the driving member 24 will drive the baffle 21 to move to the left. At this time, the inclined surface of the support bar 275 contacts the inclined surface of the support seat 273, and the support bar 275 slides obliquely upward on the inclined surface of the support seat 273. When the lower side of the support bar 275 contacts the upper side of the support seat 273, the height of the support bar 275 will rise to the highest point. Since the height of the counterweight can be adjusted according to the material and the position of the support bar 275 on the inclined surface of the support seat 273 during the process of the stacked material pushing the baffle 21, when the roller conveyor body 1 conveys materials of different heights, the counterweight plate 26 and the pressing assembly 28 can still press the materials to ensure the stability of the stacked materials during turning.

[0043] As Figure 2 and Figure 6 shown, the pressing assembly 28 includes an electric push rod 281 fixedly installed on the upper side of the counterweight plate 26, and the electric push rod 281 penetrates the counterweight plate 26.

[0044] The telescopic end of the electric push rod 281 is fixedly connected with a pressing disc 282. The lower side of the pressing disc 282 is in pressing contact with an airbag 283. The upper end of the airbag 283 is fixedly connected with a limiting rod 284 on both the left and right sides. Limiting grooves 285 are opened on both the left and right sides at the lower end of the counterweight plate 26. The limiting rods 284 are slidably connected in the limiting grooves 285. First pressure sensors 286 are fixedly installed on the upper side inside the limiting grooves 285. An air pipe 287 is fixedly installed on the upper side of the airbag 283, and the air pipe 287 is communicated with the airbag 283. The other end of the air pipe 287 is communicated with an external air supply device.

[0045] A thickness detection assembly 29 is jointly provided on the front and inside of the support seat 273.

[0046] By adopting the above technical solution, first, when the counterweight plate 26 moves downward, the airbag 283 below it will first contact the upper side of the material. Since the limiting rod 284 on the upper side of the airbag 283 can move up and down within a certain distance in the limiting groove 285, the airbag 283 contacts the material. The counterweight plate 26 with the limiting groove 285 sleeved outside the limiting rod 284 will continue to move downward. After the pressing disc 282 contacts the upper side of the airbag 283, the electric push rod 281 cooperates with the thickness detection component 29 to detect the material and then drives the pressing disc 282 to move, so that the pressing disc 282 squeezes the airbag 283. And the air pressure inside the airbag 283 is stable. At this time, the external air supply device will not transport gas into the airbag 283 through the delivery pipe. When transporting materials of the same volume, the same pressure will be maintained to press the upper side of the material. Since the counterweight plate 26 presses the material and at the same time the pressing disc 282 presses the airbag 283, and the air pressure inside the airbag 283 is stable, the pressure when the airbag 283 presses the material remains stable, so as to avoid damaging the material due to excessive pressing force.

[0047] As Figures 2 to 4 shown, a thickness detection component 29 is jointly provided on the front and inside of the support seat 273. The thickness detection component 29 includes a moving groove 291 opened on the front of the support seat 273.

[0048] A moving plate 292 is slidably connected inside the moving groove 291. A thin sheet 293 is fixedly connected to the front of the moving plate 292. An inclined surface is provided below the left side of the thin sheet 293. A first pressure spring 294 is fixedly connected to the upper side of the moving plate 292. The other end of the first pressure spring 294 is fixedly connected to a pressing plate 295. A second pressure sensor 296 is fixedly installed on the upper side inside the moving groove 291. The upper side of the pressing plate 295 is in pressing contact with the lower side of the second pressure sensor 296.

[0049] By adopting the above technical solution, first, during the process of the material roller 101 conveying the material, when the material passes by the thin sheet 293 fixed by the moving plate 292 on the side of the support seat 273, the thin sheet 293 will slide into the feeding of the lowermost piece of material through the inclined surface on its side close to the material. When materials of different thicknesses are conveyed, the height of the lifted thin sheet 293 will change. The upper side of the moving plate 292 is fixedly connected with a first pressure spring 294, and the pressing plate 295 fixed at the top of the first pressure spring 294 always contacts the second pressure sensor 296. The lifted thin sheet 293 will drive the moving plate 292 to move upward and squeeze the first pressure spring 294. The resilience generated after the first pressure spring 294 is compressed will be fed back to the first pressure sensor 286 through the pressing plate 295, enabling the first pressure sensor 286 to transmit information to the control panel 12. At this time, the external air supply device will convey or extract the corresponding volume of gas into the conveying pipe according to the control of the control panel 12, causing the volume of the gas inside the airbag 283 to change. After the pressing disc 282 presses the airbag 283, due to the change in the volume of the gas inside the airbag 283, the pressure exerted by the airbag 283 on the material after being squeezed will also change. Since materials of different thicknesses will cause the force exerted by the pressing plate 295 on the second pressure sensor 296 to change, the volume of the gas inside the airbag 283 is controlled, so that the pressure exerted by the airbag 283 on the material after being squeezed can be adjusted correspondingly according to the thickness of the material itself, preventing the conveying efficiency of the material from being affected due to excessive or too small extrusion force, and also avoiding damage to the material again.

[0050] As Figure 1 、 Figure 7 and Figure 8 shown, a cleaning component 3 is provided on the lower side inside the drum conveyor body 1. The cleaning component 3 includes a support plate 31 fixedly connected to the lower side inside the drum conveyor body 1. Longitudinal linear arrays of positioning guide rails 32 are fixedly connected to the upper side of the support plate 31. Positioning blocks 33 are slidably connected in the internal transverse linear arrays of the positioning guide rails 32. Scrapers 34 are fixedly connected to the upper sides of the positioning blocks 33. Second pressure springs 35 are fixedly connected between the lower ends of the positioning blocks 33 and the positioning guide rails 32.

[0051] By adopting the above technical solution, first, during the rolling of the material roller 101, the positioning block 33 inside the positioning guide rail 32 is always pushed upward by the second pressure spring 35, so that the scraper 34 above the positioning block 33 contacts the material roller 101. As the material roller 101 starts to rotate, the impurities originally attached to the surface of the material roller 101 will be scraped off by the scraper 34. Since the material roller 101 is always in contact with the scraper 34 during rotation, the scraper 34 can clean the impurities attached to the surface of the material roller 101, so as to avoid the corrosion of the roller caused by the impurities attached to the surface of the roller, and at the same time prevent the offset of the material during transportation due to the protrusions generated after the impurities are attached to the surface of the roller, which not only ensures the cleanliness of the roller surface, but also ensures the conveying efficiency of the material.

[0052] As Figure 8 shown, a monitoring component 36 is provided inside the support plate 31. The monitoring component 36 includes an insertion slot 361 that is horizontally linearly arrayed and penetrates through the top of the inner wall at the rear end of the positioning guide rail 32. A clamping plate 362 is inserted into the insertion slot 361. The back surfaces of the individual horizontal clamping plates 362 are fixedly connected to a trigger plate 363. After the positioning block 33 moves upward, it is in pressing contact with the inclined surface of the clamping plate 362. Third pressure springs 364 are fixedly connected to both the left and right sides at the rear end of the trigger plate 363. Third pressure sensors 365 are longitudinally linearly arrayed on both the left and right sides inside the support plate 31. The other end of the third pressure spring 364 is sleeved outside the third pressure sensor 365. After the positioning block 33 presses the clamping plate 362, the trigger plate 363 is in pressing contact with the third pressure sensor 365. The two corresponding third pressure sensors 365 are fixedly installed on both the left and right sides of the back surface of the corresponding positioning guide rail 32.

[0053] By adopting the above technical solution, first, after the scraper 34 contacts the material roller 101, if the surface of the roller is worn, the second pressure spring 35 below the positioning block 33 will push the positioning. While the positioning block 33 slides upward inside the positioning guide rail 32, it will also contact the inclined surface of the clamping plate 362 that enters the insertion slot 361. The clamping plate 362 pressed by the positioning block 33 will move towards the third pressure sensor 365 and push the trigger plate 363 to press the third sensor. Then, the control panel 12 electrically connected to the third pressure sensor 365 will issue a warning. When the trigger plate 363 needs to be reset, the third pressure spring 364 will push it. Since after the roller is worn, the positioning block 33 at the corresponding position will start to move upward and push the trigger plate 363 to press the second sensor, the control panel 12 can quickly display the worn roller, which is convenient for subsequent maintenance and repair of the roller conveyor body 1. At the same time, the conveying efficiency of the roller conveyor body 1 for the material will also be guaranteed.

[0054] Working principle: First, when the drum conveyor body 1 conveys the stacked materials through the material rollers 101, as the materials pass through the thin sheet 293, the thin sheet 293 will slide into the feeding of the lowermost material through the inclined surface on its side close to the materials. When materials of different thicknesses are conveyed, the height to which the thin sheet 293 is lifted will change. The lifted thin sheet 293 will drive the moving plate 292 to move upward in the moving groove 291 and squeeze the first pressure spring 294. The resilience generated after the first pressure spring 294 is compressed will be fed back to the first pressure sensor 286 through the pressing plate 295, causing the first pressure sensor 286 to transmit information to the control panel 12. At this time, the external air supply device will convey or extract the corresponding volume of gas into the conveying pipe according to the control of the control panel 12, causing the volume of the gas inside the airbag 283 to change. After the pressing disc 282 presses the airbag 283, since the volume of the gas inside the airbag 283 changes, the pressure exerted by the airbag 283 on the materials after being squeezed will also change. After the materials come into contact with the baffle 21, the baffle 21 will be pushed. Then, the control panel 12 controls the drum conveyor body 1 to start the servo motor 241 in the driving member 24 to drive the lead screw 242 to rotate, causing the lead screw 242 to drive the lead screw nut 243 outside it and the sleeve 25 outside the lead screw nut 243 to move to the right. At the same time, the back of the baffle 21 will slide in the first chute 22 through the first slider 221 and the first roller 222 that can roll inside the first slider 221. And the rotating plate 231 hinged to the fixed plate 23 will also slide in the guide groove under the push of the baffle 21. Since the sleeve 25 passes through the side plate 11 and is fixed to the baffle 21, the baffle 21 will also move with it. During the process of the baffle 21 moving to the right, the support bar 275 will move together with the counterweight plate 26. At this time, the support bar 275 will gradually lose the support from the support base 273. At the same time, the second slider 272 fixed to the counterweight plate 26 will also slide in the second chute 271 on the left side of the baffle 21. As the baffle 21 continues to move to the right, the second roller 276 on the inclined surface of the support bar 275 will also roll in the embedding groove 274 on the inclined surface of the support base 273 and gradually move downward obliquely. When the counterweight plate 26 and the pressing assembly 28 below it come into contact with the materials, the counterweight plate 26 will stop moving downward. When the counterweight plate 26 moves downward, the airbag 283 below it will first come into contact with the upper side of the materials. Since the limiting rod 284 on the upper side of the airbag 283 can move up and down within a certain distance in the limiting groove 285, when the airbag 283 comes into contact with the materials, the counterweight plate 26 sleeved outside the limiting rod 284 through the limiting groove 285 will still continue to move downward. After the pressing disc 282 comes into contact with the upper side of the airbag 283, the electric push rod 281 cooperates with the thickness detection assembly 29 to detect the materials and then drives the pressing disc 282 to move, causing the pressing disc 282 to squeeze the airbag 283. Since the air pressure inside the airbag 283 is stable, the external air supply device will not convey gas into the airbag 283 through the conveying pipe.When transporting materials of the same volume, the upper side of the materials will be pressed with the same pressure. After the materials suddenly stop moving during the movement, the inertia generated will drive the materials to tilt towards the direction of the baffle 21. At this time, the baffle 21 can block the materials. After the materials are sent away by the longitudinally arranged roller, the driving member 24 will drive the baffle 21 to move to the left. At this time, the inclined surface of the support bar 275 contacts the inclined surface of the support seat 273, and the support bar 275 slides obliquely upward on the inclined surface of the support seat 273. When the lower side of the support bar 275 contacts the upper side of the support seat 273, the height of the support bar 275 will rise to the highest point. During the rolling of the material roller 101, the positioning block 33 inside the positioning guide rail 32 is always pushed upward by the second pressure spring 35, so that the scraper 34 above the positioning block 33 contacts the material roller 101. As the material roller 101 starts to rotate, the impurities originally attached to the surface of the material roller 101 will be scraped off by the scraper 34. If the surface of the roller is worn, the second pressure spring 35 below the positioning block 33 will push the positioning. While the positioning block 33 slides upward inside the positioning guide rail 32, it will also contact the inclined surface of the clamping plate 362 entering the insertion groove 361. The clamping plate 362 squeezed by the positioning block 33 will move towards the direction of the third pressure sensor 365 and push the trigger plate 363 to squeeze the third sensor. Then, the control panel 12 electrically connected to the third pressure sensor 365 will issue a warning. When the trigger plate 363 needs to be reset, the third pressure spring 364 will push it.

[0055] The above is only a preferred specific embodiment of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A roller conveyor for processing packaging boxes, comprising a roller conveyor body (1) and a material roller (101) rotatably connected to the inside of the roller conveyor body (1), a side plate (11) being fixedly connected to the upper side of the roller conveyor body (1), and a control panel (12) being provided on the front side of the roller conveyor body (1), characterized in that: A material guiding component (2) is provided on the upper side of the roller conveyor body (1); The material guide component (2) comprises a first slide groove (22) provided on the upper and lower sides of the front side of the horizontal part of the side plate (11); a first slider (221) is slidably connected inside the first slide groove (22); a baffle (21) is fixedly connected to the front sides of the two first sliders (221); a first roller (222) is rotatably connected to the back side of the first slider (221); a fixed plate (23) is fixedly connected to the right side of the baffle (21); a rotating plate (231) is hingedly connected to the right side of the fixed plate (23); guide holes (232) are provided through the left and right sides of the vertical part of the side plate (11); the right side of the rotating plate (231) is inserted into the guide holes (232); a driving member (24) is provided on the back side of the horizontal part of the side plate (11); a sleeve (25) is fixedly connected to the back side of the baffle (21); and a counterweight plate (26) is slidably connected to the left side of the baffle (21); A height adjustment component (27) is provided on the upper side of the roller conveyor body (1) and the left side of the baffle (21). The height adjustment component (27) comprises a second slide groove (271) provided at the front and rear parts of the left side of the baffle (21); A second sliding block (272) is slidably connected inside the second sliding groove (271), and the left side of the second sliding block (272) is fixedly connected to the right side of the counterweight plate (26). A support seat (273) is fixedly connected to the left rear portion of the upper end of the roller conveyor body (1), and the inclined surface of the support seat (273) faces the baffle plate (21). An embedding groove (274) is provided on the inclined surface of the support seat (273). A support bar (275) is fixedly connected to the back of the counterweight plate (26), and the support The left side of the support bar (275) is provided with an inclined surface, the inclined surface of the support bar (275) is rollingly connected to a second roller (276), the lower side of the support bar (275) is in sliding contact with the upper side of the support seat (273), after the support bar (275) moves to the right, the inclined surface of the support bar (275) is in sliding contact with the inclined surface of the support seat (273), and after the inclined surface of the support bar (275) is in contact with the inclined surface of the support seat (273), the second roller (276) is rollingly contacted in the embedded groove (274); The counterweight plate (26) is provided with a pressing assembly (28) inside and on both upper and lower sides. The pressing assembly (28) comprises an electric push rod (281) fixedly mounted on the upper side of the counterweight plate (26), and the electric push rod (281) penetrates the counterweight plate (26); The telescopic end of the electric push rod (281) is fixedly connected to a pressing plate (282), the lower side of the pressing plate (282) is pressed and contacted with an air bag (283), the upper left and right sides of the air bag (283) are fixedly connected to limit rods (284), the lower left and right sides of the counterweight plate (26) are provided with limit grooves (285), the limit rods (284) are slidably connected in the limit grooves (285), the upper sides of the limit grooves (285) are fixedly installed with a first pressure sensor (286), the upper side of the air bag (283) is fixedly installed with an air supply pipe (287), and the air supply pipe (287) is connected to the air bag (283), and the other end of the air supply pipe (287) is connected to an external air supply device.

2. A roller conveyor for packaging box processing according to claim 1, characterized in that: The driving member (24) comprises a servo motor (241), a screw rod (242) and a screw rod nut (243); the servo motor (241) is fixedly mounted on the right rear portion of the vertical portion of the side plate (11); the right end of the screw rod (242) is fixedly connected to the output end of the servo motor (241); the screw rod nut (243) is threadedly connected to the outside of the screw rod (242); the sleeve (25) is movably sleeved on the outside of the screw rod nut (243); and the sleeve (25) passes through the horizontal portion of the side plate (11).

3. The roller conveyor for packaging box processing according to claim 1, characterized in that: A thickness detection component (29) is provided on the front and inside of the support seat (273), and the thickness detection component (29) comprises a movable groove (291) provided on the front of the support seat (273).

4. A roller conveyor for packaging box processing according to claim 3, characterized in that: The movable groove (291) is slidably connected to a movable plate (292) inside, a thin sheet (293) is fixedly connected to the front of the movable plate (292), an inclined surface is provided at the lower left side of the thin sheet (293), a first pressure spring (294) is fixedly connected to the upper side of the movable plate (292), an extrusion plate (295) is fixedly connected to the other end of the first pressure spring (294), a second pressure sensor (296) is fixedly installed on the upper side of the inner part of the movable groove (291), and the upper side of the extrusion plate (295) is in extrusion contact with the lower side of the second pressure sensor (296).

5. The roller conveyor for packaging box processing according to claim 1, characterized in that: A cleaning component (3) is provided on the lower inner side of the roller conveyor body (1), and the cleaning component (3) comprises a support plate (31) fixedly connected to the lower inner side of the roller conveyor body (1); a longitudinal linear array positioning guide rail (32) is fixedly connected to the upper side of the support plate (31); a positioning block (33) is slidably connected to the inner transverse linear array of the positioning guide rail (32); a scraper (34) is fixedly connected to the upper side of the positioning block (33); and a second pressure spring (35) is fixedly connected between the lower end of the positioning block (33) and the positioning guide rail (32).

6. The roller conveyor for packaging box processing according to claim 5, characterized in that: The support plate (31) is provided with a monitoring assembly (36) inside. The monitoring assembly (36) includes an insertion slot (361) extending in a transverse linear array through the top of the inner wall at the rear end of the positioning guide rail (32). A card plate (362) is inserted into the insertion slot (361). A trigger plate (363) is fixedly connected to the back of a single transverse card plate (362). After the positioning block (33) moves upward, it is pressed and contacted with the inclined surface of the card plate (362). The left and right sides of the rear end of the trigger plate (363) are A third pressure spring (364) is fixedly connected, and third pressure sensors (365) are arranged in a longitudinal linear array on both left and right sides of the interior of the support plate (31). The other end of the third pressure spring (364) is sleeved on the outside of the third pressure sensor (365). After the positioning block (33) squeezes the card plate (362), the trigger plate (363) and the third pressure sensor (365) are squeezed and contacted. The two corresponding third pressure sensors (365) on the left and right are fixedly installed on the left and right sides of the back of the corresponding positioning guide rail (32).

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