Degradable high-barrier environment-friendly plastic bag flattening and wrinkle removing device
By designing a multifunctional plastic bag flattening and wrinkle-removing device, the problems of plastic bags running off-center and gas not being discharged during transportation were solved, achieving flatness of plastic bags and improving winding quality, thus ensuring the integrity of plastic bags and sales reliability.
Patent Information
- Application Number
- CN202520511405.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing plastic bag flattening and wrinkle removal devices are prone to deviation during transport and fail to effectively expel gas, leading to plastic bag breakage and affecting subsequent packaging and sales.
A device comprising a conveying mechanism, a winding mechanism, an exhaust mechanism, a detection mechanism, a tensioning mechanism, and a compression mechanism is designed. Through clamping guidance, exhaust, tensioning, and secondary compression, it ensures that the plastic bag does not deviate during the conveying process and effectively discharges gas and flattens and removes wrinkles.
This effectively prevents plastic bags from shifting or breaking during transport, ensuring the flatness and rolling quality of the plastic bags and improving the reliability of subsequent packaging and sales.
Smart Images

Figure CN223950360U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic bag production, in particular to a kind of degradable high-barrier environmental protection plastic bag flattening and wrinkle removing device. BACKGROUND
[0002] Plastic bag production process is divided into raw material preparation, extrusion, printing, cutting, winding and finished product packaging several steps, winding is to facilitate storage, transportation and a link of sale, generally needs to be wound to roll by plastic bag winding, subsequently adopts packaging bag, carton and so on Variety of ways is packaged.
[0003] The existing plastic bag flattening and wrinkle removing device, for example, the utility model patent with the application number 202420122691.1 discloses a kind of plastic bag flattening and wrinkle removing device, its main structure includes bottom plate, the fixed roller is installed in one side of side plate, the fixed roller end is fixedly connected with electric telescopic rod, the other end of electric telescopic rod is fixedly connected with connecting plate, the inner side of connecting plate is fixedly connected with the hydraulic oil cylinder that is symmetrically arranged up and down, the outer side of connecting plate is equipped with first pressure roller and second pressure roller;When using, first pressure roller is used to flatten plastic bag, at this time, plastic bag is just attached to material receiving roller, the surface area of first pressure roller is smaller, and the contact area with plastic bag is smaller, so that it does not generate greater tearing force to plastic bag, guarantees the winding effect of plastic bag in early stage, when plastic bag is wound thicker, again contact with second pressure roller, multiple pressure rollers provide flattening and wrinkle removing function together.
[0004] However, the existing flattening and wrinkle removing device mostly does not position the two sides of plastic bag, and it is easy to deviate during the conveying and winding of plastic bag, and air may enter part of adjacent plastic bags, and excessive extrusion is easy to cause plastic bag to break, affecting subsequent packaging and sale of plastic bag. UTILITY MODEL CONTENTS
[0005] To solve the above technical problems, the utility model provides a kind of degradable high-barrier environmental protection plastic bag flattening and wrinkle removing device, which can not only clamp and guide the two sides of plastic bag, avoid deviation of plastic bag during conveying, but also extrude air in plastic bag before flattening and wrinkle removing, avoid plastic bag to break.
[0006] The utility model discloses a degradable high-barrier environmental protection plastic bag flattening and wrinkle removing device, including conveying mechanism, still including winding mechanism, exhaust mechanism, detection mechanism, tensioning mechanism and extrusion mechanism, winding mechanism is installed on conveying mechanism and is rolled up to plastic bag, exhaust mechanism is installed on winding mechanism and is extruded to the air in plastic bag, detection mechanism is installed on exhaust mechanism and is detected to plastic bag transmission angle, tensioning mechanism is installed on conveying mechanism and makes plastic bag tension, extrusion mechanism is installed on conveying mechanism and is extruded to plastic bag secondly, staff adjusts the conveying mechanism according to the width of plastic bag and clamps plastic bag, starts winding mechanism and rolls up to plastic bag, exhaust mechanism extrudes the air in plastic bag and flattens and removes the wrinkle of plastic bag simultaneously, adjusts the tension of plastic bag through tensioning mechanism, keeps plastic bag tension state, along with the rolling up thickening of plastic bag extrusion extrusion mechanism, and extrusion mechanism can flatten and remove the wrinkle of plastic bag secondly, and avoid the relaxation of the plastic bag of winding.
[0007] Preferably, the conveying mechanism includes a workbench, a conveying roller, four sets of air cylinders, two sets of connecting plates, and multiple guide wheels. The bottom end of the workbench is connected to the ground, the conveying roller is installed on the workbench, the four sets of air cylinders are installed on the workbench in pairs, the two sets of connecting plates are installed on the two sets of air cylinders on the same side, and the multiple guide wheels are rotatably installed on the two sets of connecting plates. The staff starts the four sets of air cylinders according to the width of the plastic bag, the two sets of air cylinders push the two sets of connecting plates closer, which facilitates the multiple guide wheels to clamp the two side edges of the plastic bag and avoids the deviation of the plastic bag during conveying.
[0008] Preferably, the winding mechanism includes a motor, a first speed reducer, a transmission shaft, a winding roller, two sets of first belt pulleys, and a first belt. The bottom end of the motor is connected to the top end of the workbench, the output end of the motor is connected to the input end of the first speed reducer, the output end of the first speed reducer is connected to the input end of the transmission shaft, the winding roller is rotatably installed on the workbench, the two sets of first belt pulleys are installed on the transmission shaft and the winding roller respectively, and the first belt is tightly installed between the two sets of first belt pulleys. Starting the motor, the motor drives the transmission shaft to rotate through the first speed reducer, the transmission shaft drives the first belt pulleys connected thereto to rotate, the two sets of first belt pulleys are driven through the first belt, and in turn drive the winding roller to rotate to roll up the plastic bag.
[0009] Preferably, the exhaust mechanism comprises an exhaust roller, two sets of second pulleys, a second belt, a crossbeam, two sets of hydraulic cylinders and a flattening plate, the exhaust roller is rotatably installed on the workbench, the two sets of second pulleys are respectively installed on the transmission shaft and the exhaust roller, the second belt is tautly installed between the two sets of second pulleys, the crossbeam is installed on the workbench, the two sets of hydraulic cylinders are both installed on the crossbeam, and the top end of the flattening plate is connected with the bottom ends of the two sets of hydraulic cylinders; the transmission shaft drives the second pulley connected therewith to rotate, the two sets of second pulleys are driven through the second belt, the second pulley drives the exhaust roller to rotate to extrude the air in the plastic bag, and the two sets of hydraulic cylinders push the flattening plate to descend, so that the flattening plate is convenient to flatten and wrinkle the plastic bag.
[0010] Preferably, the detection mechanism comprises a servo motor, a second speed reducer, a bidirectional screw rod, two sets of sliding blocks and two sets of sensors, the servo motor is installed on the workbench, the output end of the servo motor is connected with the input end of the second speed reducer, the crossbeam is provided with a moving groove, the bidirectional screw rod is rotatably installed in the moving groove of the crossbeam and the input end of the bidirectional screw rod is connected with the output end of the second speed reducer, the two sets of sliding blocks are both slidably installed in the moving groove of the crossbeam, and the two sets of sensors are respectively installed on the two sets of sliding blocks; the staff starts the servo motor according to the width of the plastic bag, the servo motor drives the bidirectional screw rod to rotate through the second speed reducer, the bidirectional screw rod drives the two sets of sliding blocks to move, so that the distance between the two sets of sensors corresponds to the width of the plastic bag, and the two sets of sensors detect the position of the plastic bag, so that the plastic bag is convenient to be found in time after deviation.
[0011] Preferably, the tensioning mechanism comprises two sets of rotating shafts, two sets of first springs, two sets of positioning plates, two sets of connecting frames and two sets of tensioning rollers, the two sets of rotating shafts are both rotatably installed on the workbench, the two sets of first springs are both installed on the workbench, the two sets of positioning plates are respectively installed on the two sets of rotating shafts and connected with the two sets of first springs, the two sets of connecting frames are respectively installed on the two sets of rotating shafts, and the two sets of tensioning rollers are installed between the two sets of connecting frames; the plastic bag is wound on the two sets of tensioning rollers, and the two sets of first springs are convenient to release the tension of the plastic bag when the rotating speed of the winding roller and the conveying speed of the plastic bag are inconsistent, so as to avoid the plastic bag from being broken and ensure that the plastic bag is in a tensioning state.
[0012] Preferably, the extrusion mechanism comprises two sets of guide columns, two sets of second springs and an extrusion roller, the workbench is provided with two sets of positioning grooves, the two sets of guide columns are respectively installed in the two sets of positioning grooves of the workbench, the two sets of second springs are respectively installed in the two sets of positioning grooves of the workbench, and the extrusion roller is slidably installed on the two sets of guide columns and the bottom end of the extrusion roller is connected with the top ends of the two sets of second springs; as the winding roller winds the plastic bag, the plastic bag roll gradually thickens to extrude the extrusion roller downward, and the two sets of second springs lift the extrusion roller upward, so that the extrusion roller is convenient to scrape the wound plastic bag flat.
[0013] Compared with the prior art, the beneficial effects of the utility model are that: the staff adjusts the conveying mechanism to clamp the plastic bag according to the width of the plastic bag, starts the winding mechanism to wind the plastic bag, the exhaust mechanism extrudes the air in the plastic bag and simultaneously flattens and removes wrinkles of the plastic bag, the tension of the plastic bag is adjusted through the tensioning mechanism, the plastic bag is kept in the tensioned state, the plastic bag is extruded to the extrusion mechanism with the winding, the extrusion mechanism can flatten and remove wrinkles of the plastic bag secondarily, and the wound plastic bag is prevented from relaxing. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the isometric structure schematic diagram of the utility model, and
[0015] Figure 2 It is the partial enlarged sectional isometric structure schematic diagram of the conveying mechanism of the utility model, and
[0016] Figure 3 It is the partial enlarged isometric structure schematic diagram of the winding mechanism of the utility model, and
[0017] Figure 4 It is the sectional isometric structure schematic diagram of the exhaust mechanism and the detection mechanism of the utility model, and
[0018] Figure 5 It is the partial enlarged sectional isometric structure schematic diagram of the tensioning mechanism of the utility model, and
[0019] Figure 6 It is the sectional isometric structure schematic diagram of the extrusion mechanism of the utility model.
[0020] Markings in the drawings: 01, conveying mechanism;11, workbench;12, conveying roller;13, air cylinder;14, connecting plate;15, guide wheel;02, winding mechanism;21, motor;22, first speed reducer;23, transmission shaft;24, winding roller;25, first belt pulley;26, first belt;03, exhaust mechanism;31, exhaust roller;32, second belt pulley;33, second belt;34, cross beam;35, hydraulic cylinder;36, flattening plate;04, detection mechanism;41, servo motor;42, second speed reducer;43, bidirectional screw;44, sliding block;45, sensor;05, tensioning mechanism;51, rotating shaft;52, first spring;53, positioning plate;54, connecting frame;55, tensioning roller;06, extrusion mechanism;61, guide column;62, second spring;63, extrusion roller. DETAILED DESCRIPTION
[0021] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Embodiments
[0022] The utility model discloses a degradable high -resistance environmental protection plastic bag flattening and wrinkle removing device, including conveying mechanism 01, still including winding mechanism 02, exhaust mechanism 03, detection mechanism 04, tensioning mechanism 05 and extrusion mechanism 06, winding mechanism 02 is installed on conveying mechanism 01 and is rolled up to plastic bag, exhaust mechanism 03 is installed on winding mechanism 02 and is extruded to the air in plastic bag, detection mechanism 04 is installed on exhaust mechanism 03 and is detected to plastic bag transmission angle, tensioning mechanism 05 is installed on conveying mechanism 01 and makes plastic bag tension, extrusion mechanism 06 is installed on conveying mechanism 01 and is extruded to plastic bag secondly, conveying mechanism 01 includes work table 11, transmission roll 12, four sets of air cylinder 13, two sets of connecting plate 14 and multiple sets of guide wheel 15, and the bottom of work table 11 is connected with ground, and transmission roll 12 is installed on work table 11, and four sets of air cylinder 13 are oppositely installed on work table 11, and two sets of connecting plate 14 are installed on two sets of air cylinder 13 on the same side respectively, and multiple sets of guide wheel 15 are rotatably installed on two sets of connecting plate 14 respectively, winding mechanism 02 includes motor 21, first speed reducer 22, transmission shaft 23, winding roll 24, two sets of first belt pulley 25 and first belt 26, and the bottom of motor 21 is connected with the top of work table 11, and the output of motor 21 is connected with the input of first speed reducer 22, and the output of first speed reducer 22 is connected with the input of transmission shaft 23, and winding roll 24 is rotatably installed on work table 11, and two sets of first belt pulley 25 are installed on transmission shaft 23 and winding roll 24 respectively, and first belt 26 is tightly installed between two sets of first belt pulley 25, exhaust mechanism 03 includes exhaust roll 31, two sets of second belt pulley 32, second belt 33, crossbeam 34, two sets of hydraulic cylinder 35 and flattening plate 36, and exhaust roll 31 is rotatably installed on work table 11, and two sets of second belt pulley 32 are installed on transmission shaft 23 and exhaust roll 31 respectively, and second belt 33 is tightly installed between two sets of second belt pulley 32, and crossbeam 34 is installed on work table 11, and two sets of hydraulic cylinder 35 are all installed on crossbeam 34, and the top of flattening plate 36 is connected with the bottom of two sets of hydraulic cylinder 35, detection mechanism 04 includes servo motor 41, second speed reducer 42, bidirectional screw 43, two sets of sliding block 44 and two sets of sensor 45, and servo motor 41 is installed on work table 11, and the output of servo motor 41 is connected with the input of second speed reducer 42, and the movable slot is formed in crossbeam 34, and bidirectional screw 43 is rotatably installed in the movable slot of crossbeam 34 and the input of bidirectional screw 43 is connected with the output of second speed reducer 42, and two sets of sliding block 44 are all slidably installed in the movable slot of crossbeam 34, and two sets of sensor 45 are installed on two sets of sliding block 44 respectively.In its work, first, the staff according to the width of the plastic bag starts four groups of cylinder 13, two groups of cylinder 13 push two groups of connecting plate 14 close, facilitate multiple groups of guide wheel 15 clamping the two side edges of the plastic bag, avoid the plastic bag deviation in the conveying process, start the motor 21, the motor 21 through the first speed reducer 22 drives the transmission shaft 23 rotates, the transmission shaft 23 drives the second pulley 32 connected with it rotates, two groups of second pulley 32 through the second belt 33 transmission, the second pulley 32 drives the exhaust roller 31 rotates and extrudes the air in the plastic bag, two groups of hydraulic cylinder 35 push the flattening plate 36 down, facilitate the flattening plate 36 to flatten the plastic bag and remove wrinkles, the staff according to the width of the plastic bag, start servo motor 41, servo motor 41 through the second speed reducer 42 drives the bidirectional screw 43 rotates, the bidirectional screw 43 drives two groups of sliding block 44 moves, makes two groups of sensor 45 interval and the width of the plastic bag corresponds, two groups of sensor 45 detects the position of the plastic bag, facilitate the plastic bag deviation after timely discovery, transmission shaft 23 drives the first pulley 25 connected with it rotates, two groups of first pulley 25 through the first belt 26 transmission, in turn drives the winding roller 24 rotates and winds the plastic bag. Embodiments
[0023] As Figures 1 to 6As shown, the degradable high-barrier environmentally friendly plastic bag flattening and wrinkle removing device, based on embodiment 1; the tensioning mechanism 05 includes two groups of rotating shafts 51, two groups of first springs 52, two groups of positioning plates 53, two groups of connecting frames 54 and two groups of tensioning rollers 55, two groups of rotating shafts 51 are rotatably installed on the workbench 11, two groups of first springs 52 are installed on the workbench 11, two groups of positioning plates 53 are installed on two groups of rotating shafts 51 respectively and are connected with two groups of first springs 52 respectively, two groups of connecting frames 54 are installed on two groups of rotating shafts 51 respectively, and two groups of tensioning rollers 55 are installed between two groups of connecting frames 54; the extrusion mechanism 06 includes two groups of guide columns 61, two groups of second springs 62 and an extrusion roller 63, two groups of positioning grooves are opened on the workbench 11, two groups of guide columns 61 are installed in the two groups of positioning grooves of the workbench 11 respectively, two groups of second springs 62 are installed in the two groups of positioning grooves of the workbench 11 respectively, and the extrusion roller 63 is slidably installed on the two groups of guide columns 61 and the bottom end of the extrusion roller 63 is connected with the top end of the two groups of second springs 62; during its work, first, the staff starts four groups of air cylinders 13 according to the width of the plastic bag, two groups of connecting plates 14 are pushed close by two groups of air cylinders 13, which facilitates a plurality of guide wheels 15 to clamp the two side edges of the plastic bag, avoids the plastic bag from deviating during conveying, starts the motor 21, the motor 21 drives the transmission shaft 23 to rotate through the first speed reducer 22, the transmission shaft 23 drives the second pulley 32 connected thereto to rotate, two groups of second pulleys 32 are driven through the second belt 33, the second pulley 32 drives the exhaust roller 31 to rotate to extrude the air in the plastic bag, two groups of hydraulic cylinders 35 push the flattening plate 36 to descend, which facilitates the flattening plate 36 to flatten and remove wrinkles of the plastic bag, the staff starts the servo motor 41 according to the width of the plastic bag, the servo motor 41 drives the bidirectional screw 43 to rotate through the second speed reducer 42, the bidirectional screw 43 drives two groups of sliding blocks 44 to move, so that the distance between two groups of sensors 45 corresponds to the width of the plastic bag, two groups of sensors 45 detect the position of the plastic bag, which facilitates timely discovery of the plastic bag deviation, winds the plastic bag on two groups of tensioning rollers 55, releases the plastic bag tension when the winding roller 24 rotation speed and the plastic bag conveying speed are inconsistent through the setting of two groups of first springs 52, avoids the plastic bag from breaking, ensures that the plastic bag is in a tensioning state, the transmission shaft 23 drives the first pulley 25 connected thereto to rotate, two groups of first pulleys 25 are driven through the first belt 26, and then the winding roller 24 is driven to rotate to wind the plastic bag, with the winding of the plastic bag by the winding roller 24, the plastic bag roll gradually thickens and extrudes the extrusion roller 63 downward, the two groups of second springs 62 lift the extrusion roller 63 upward, which facilitates the extrusion roller 63 to scrape the wound plastic bag flat.
[0024] The motor 21, the first speed reducer 22, the servo motor 41 and the second speed reducer 42 are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, and the technical personnel in the field does not need to pay creative labor.
[0025] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principle of the utility model, and these improvements and modifications should also be regarded as the protection range of the utility model.
Claims
1. A degradable high-barrier environmentally friendly plastic bag flattening and wrinkle removing device, comprising a conveying mechanism (01); characterized in that, The rolling mechanism (02), the exhaust mechanism (03), the detection mechanism (04), the tensioning mechanism (05) and the extrusion mechanism (06) are further included, the rolling mechanism (02) is installed on the conveying mechanism (01) and rolls the plastic bag, the exhaust mechanism (03) is installed on the rolling mechanism (02) and extrudes the air in the plastic bag, the detection mechanism (04) is installed on the exhaust mechanism (03) and detects the conveying angle of the plastic bag, the tensioning mechanism (05) is installed on the conveying mechanism (01) and tensions the plastic bag, and the extrusion mechanism (06) is installed on the conveying mechanism (01) and extrudes the plastic bag again.
2. The degradable high-barrier environment-friendly plastic bag flattening and wrinkle removing device according to claim 1, characterized in that, The conveying mechanism (01) comprises a workbench (11), a conveying roller (12), four groups of air cylinders (13), two groups of connecting plates (14) and a plurality of guide wheels (15), the bottom end of the workbench (11) is connected with the ground, the conveying roller (12) is installed on the workbench (11), the four groups of air cylinders (13) are oppositely installed on the workbench (11) in pairs, the two groups of connecting plates (14) are respectively installed on the two groups of air cylinders (13) on the same side, and the plurality of guide wheels (15) are rotatably installed on the two groups of connecting plates (14).
3. The device for flattening and removing wrinkles of degradable high-barrier environment-friendly plastic bags according to claim 2, characterized in that, The rolling mechanism (02) comprises a motor (21), a first speed reducer (22), a transmission shaft (23), a rolling roller (24), two groups of first belt pulleys (25) and a first belt (26), the bottom end of the motor (21) is connected with the top end of the workbench (11), the output end of the motor (21) is connected with the input end of the first speed reducer (22), the output end of the first speed reducer (22) is connected with the input end of the transmission shaft (23), the rolling roller (24) is rotatably installed on the workbench (11), the two groups of first belt pulleys (25) are respectively installed on the transmission shaft (23) and the rolling roller (24), and the first belt (26) is tightly installed between the two groups of first belt pulleys (25).
4. The degradable high-barrier environment-friendly plastic bag flattening and wrinkle removing device according to claim 3, characterized in that, The exhaust mechanism (03) comprises an exhaust roller (31), two groups of second belt pulleys (32), a second belt (33), a cross beam (34), two groups of hydraulic cylinders (35) and a flattening plate (36), the exhaust roller (31) is rotatably installed on the workbench (11), the two groups of second belt pulleys (32) are respectively installed on the transmission shaft (23) and the exhaust roller (31), the second belt (33) is tightly installed between the two groups of second belt pulleys (32), the cross beam (34) is installed on the workbench (11), the two groups of hydraulic cylinders (35) are both installed on the cross beam (34), and the top end of the flattening plate (36) is connected with the bottom ends of the two groups of hydraulic cylinders (35).
5. The device for flattening and removing wrinkles of degradable high-barrier environment-friendly plastic bags according to claim 4, characterized in that, The detection mechanism (04) comprises a servo motor (41), a second speed reducer (42), a bidirectional screw rod (43), two groups of sliding blocks (44) and two groups of sensors (45), the servo motor (41) is installed on the workbench (11), the output end of the servo motor (41) is connected with the input end of the second speed reducer (42), the cross beam (34) is provided with a moving groove, the bidirectional screw rod (43) is rotatably installed in the moving groove of the cross beam (34), and the input end of the bidirectional screw rod (43) is connected with the output end of the second speed reducer (42), the two groups of sliding blocks (44) are slidably installed in the moving groove of the cross beam (34), and the two groups of sensors (45) are installed on the two groups of sliding blocks (44) respectively.
6. The device for flattening and removing wrinkles of degradable high-barrier environment-friendly plastic bags according to claim 2, characterized in that, The tensioning mechanism (05) comprises two groups of rotating shafts (51), two groups of first springs (52), two groups of positioning plates (53), two groups of connecting frames (54) and two groups of tensioning rollers (55), the two groups of rotating shafts (51) are rotatably installed on the workbench (11), the two groups of first springs (52) are installed on the workbench (11), the two groups of positioning plates (53) are installed on the two groups of rotating shafts (51) respectively and are connected with the two groups of first springs (52) respectively, the two groups of connecting frames (54) are installed on the two groups of rotating shafts (51) respectively, and the two groups of tensioning rollers (55) are installed between the two groups of connecting frames (54).
7. The device for flattening and removing wrinkles of degradable high-barrier environment-friendly plastic bags according to claim 2, characterized in that, The extrusion mechanism (06) comprises two groups of guide columns (61), two groups of second springs (62) and an extrusion roller (63), the workbench (11) is provided with two groups of positioning grooves, the two groups of guide columns (61) are installed in the two groups of positioning grooves of the workbench (11) respectively, the two groups of second springs (62) are installed in the two groups of positioning grooves of the workbench (11) respectively, the extrusion roller (63) is slidably installed on the two groups of guide columns (61), and the bottom end of the extrusion roller (63) is connected with the top ends of the two groups of second springs (62).
Citation Information
Patent Citations
Flattening and wrinkle removing device for plastic bags
CN221625315U