CN214645849U - Novel packaging film manufacturing equipment - Google Patents
Novel packaging film manufacturing equipment Download PDFInfo
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- CN214645849U CN214645849U CN202022850962.XU CN202022850962U CN214645849U CN 214645849 U CN214645849 U CN 214645849U CN 202022850962 U CN202022850962 U CN 202022850962U CN 214645849 U CN214645849 U CN 214645849U
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Abstract
The utility model provides a novel packaging film manufacturing equipment, which adopts a weighing mechanism and a mixing mechanism to replace the manual method of material weighing and mixing stirring, improves the accuracy and mixing efficiency of material distribution, a film width detection mechanism detects the width of a film bubble, namely the inner diameter length of the film bubble, and feeds back the detected data to a control system, the control system adjusts the width of the film bubble by adjusting the temperature of the film bubble, a thickness measurement instrument feeds back the detected data to the thickness of the film bubble, namely the wall thickness of the film bubble, the control system controls the switch size of an air valve at a corresponding position according to the detection result, and the film bubble is blown by different wind power sizes at different positions to adjust the local thickness of the film bubble, thereby improve the membrane bubble quality, simultaneously, the wind-force that the wind ring body produced still can play the supporting role to the membrane bubble, avoids extrusion mechanism and die head thrust not enough to lead to the membrane bubble crooked.
Description
Technical Field
The utility model belongs to the technical field of the printing, concretely relates to novel packaging film manufacture equipment.
Background
The packaging film is usually a plastic film, the Chinese plastic film industry is in a vigorous development stage, it is known that the demand of the Chinese plastic film will increase at a speed of more than 9% every year, and along with various new materials, new equipment and new processes, the Chinese plastic film will be promoted to develop towards diversified and specialized varieties and multifunctional composite films, so the raw materials of the film are usually not single materials, but are mixed by a certain proportion of various materials, the prior art usually adopts a mode of manually weighing and mixing materials, the materials need to be weighed by workers, the situations of weighing errors and the like may occur, the accuracy is not accurate enough, and more manpower is needed for operation, the mixing efficiency is low, along with the development of the industry, the competition of the plastic film manufacturing industry is continuously intensified, the quality of the plastic film in the prior art needs to be provided, the width and the thickness of the film can not be well controlled, and the problems of uneven surface and uneven width of the manufactured film exist.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to overcome the above technical problems, the present invention provides a novel packaging film manufacturing apparatus, including a first motor and a plurality of first traction rollers, wherein the first traction rollers are connected to an output end of the first motor, and the apparatus is characterized by including a control system, a plurality of weighing and feeding units, a material extruding unit, a bubble stabilizing control unit and a thickness adjusting unit;
the weighing and feeding unit comprises a storage bin, a feeding hopper and a material sucking mechanism, wherein the weighing mechanism is arranged inside the feeding hopper, the input end of the material sucking mechanism is communicated with the storage bin, and the output end of the material sucking mechanism is communicated with the feeding hopper;
the material extrusion unit comprises a material mixing mechanism, an extrusion mechanism and a die head, wherein the input end of the material mixing mechanism is connected with the output end of the feed hopper, the output end of the material mixing mechanism is connected with the input end of the extrusion mechanism, the output end of the extrusion mechanism is connected with the input end of the die head, and the output end of the die head faces upwards;
the film bubble stability control unit comprises a film width control mechanism and a film width detection mechanism, the film width control mechanism comprises an air blower, and the air blower is positioned at the middle shaft of the die head and the output end of the air blower faces upwards;
the thickness adjusting unit comprises a thickness measuring instrument and an air ring control unit, the air ring control unit is positioned at the upper end of the die head, the air ring control unit comprises an air ring body and a plurality of fans, the fans are provided with air valves, the thickness measuring instrument can do circular motion by taking the axis of the air ring body as the center of a circle, and the fans are distributed in a circular array by taking the axis of the air ring body as the center of a circle;
the control system is electrically connected with the extrusion mechanism, the material suction mechanism, the weighing mechanism, the first motor, the film width detection mechanism, the film width control mechanism, the thickness measuring instrument and the fan.
The mixing mechanism can be a stirring kettle or a mixing pushing mechanism in the prior art, and the thickness measuring instrument can adopt an ultrasonic thickness measuring instrument in the prior art.
Further, still include the sizing frame, the wide detection mechanism of membrane includes first ultrasonic detector and second ultrasonic detector, first ultrasonic detector with second ultrasonic detector is fixed in respectively the upper end and the lower extreme of sizing frame, first ultrasonic detector with second ultrasonic detector with control system electric connection. Because the propagation speeds of the ultrasonic waves in the film bubble wall and the air are different, the ultrasonic waves emitted by the ultrasonic detector sequentially pass through the film bubble wall, the air in the middle of the film bubble and the film bubble wall, the ultrasonic detector feeds back the measured propagation time of the ultrasonic waves in the air in the middle of the film bubble to the control system, the control system obtains the width of the film bubble, namely the length of the inner diameter of the film bubble according to the product of the time and the propagation speed of the ultrasonic waves in the air, the actual widths of the film bubbles at the upper end and the lower end of the sizing frame are respectively measured by the first ultrasonic detector and the second ultrasonic detector, the measured data are sent to the control system, the measured data are compared with the standard widths of the film bubbles at the upper end and the lower end of the sizing frame in the control system, then signals are sent to the temperature control mechanism, the width of the film bubble is adjusted in a temperature adjusting mode, and the width of the inner diameter of the sizing frame is adjusted at the same time, thereby play limiting displacement to the outside with the film bubble of sizing frame internal diameter laminating, further adjust the film bubble width.
Further, still include the second motor, the sizing frame includes upper fixed ring, lower fixed ring and a plurality of bracing piece, the upper end and the lower extreme of bracing piece rotate respectively connect in upper fixed ring with lower fixed ring, the bracing piece sets up a plurality of sizing rollers in vertical direction, the sizing roller includes roller spare and axle piece, roller spare is located through the bearing housing the outside of axle piece, the one end of axle piece is fixed in the bracing piece, the bracing piece transmission connect in the output of second motor, control system with second motor electric connection. The roller spare contacts with the membrane bubble that rises, and the roller spare is rotatable, reduces and the membrane bubble between frictional force, avoids leading to the membrane bubble impaired, drives the bracing piece through the second motor and rotates, makes the position of roller spare change to make the position of roller spare and film contact point change, thereby reach the effect of the internal diameter of adjusting the sizing frame, spacing realization in the outside to the membrane bubble is adjustable.
The second motor can drive the supporting rod to rotate in the same direction along the central axis of the sizing frame in a belt transmission mode.
Further, the extrusion mechanism comprises a material barrel, a third motor and a screw rod, the screw rod is connected to the output end of the third motor, the screw rod is located inside the material barrel, the output end of the material suction mechanism is communicated with the input end of the material barrel, the die head is fixed to the output end of the material barrel, and the control system is electrically connected with the third motor. And the third motor controls the screw to rotate, so that the material in the material barrel is pushed to the die head.
Further, temperature control mechanism includes first temperature sensor, second temperature sensor, first heating rod and second heating rod, first temperature sensor with first heating rod is located the inner wall of feed cylinder, second temperature sensor with the second heating rod is located the die head, first temperature sensor reaches second temperature sensor with control system's input electric connection, first heating rod with the second heating rod connect in control system's output. The temperature change in the charging barrel and the die head can lead to the instability of the output film bubble, the width and the thickness of the film bubble are directly influenced, the temperature in the charging barrel and the die head is monitored in real time by the first temperature sensor and the second temperature sensor, the control system gives appropriate temperature compensation to the charging barrel and the die head according to the time change of the temperature in the charging barrel and the die head, the temperature of the charging barrel and the die head is kept constant, and the influence of the temperature change in the charging barrel and the die head on the quality of the output film bubble is avoided.
Further, the control system comprises a human-computer interaction module, a PLC master station, a first PLC slave station and a second PLC slave station, the output end of the weighing mechanism is connected to the PLC master station, the output end of the PLC master station is connected to the material sucking mechanism, the PLC master station is electrically connected with the second PLC slave station, and the first PLC slave station is electrically connected with the second PLC slave station; the thickness measuring instrument is in communication connection with the input end of the PLC main station, and the output end of the PLC main station is connected with the air valve and the air blower; the first temperature sensor and the second temperature sensor are connected to the input end of the second PLC slave station, and the first heating rod and the second heating rod are connected to the output end of the second PLC slave station; the output end of the second PLC slave station is connected to the first motor.
Further, the control system further comprises a human-computer interaction module and a router, wherein the human-computer interaction module is in communication connection with the router, the router is in communication connection with the PLC master station, and the PLC master station and the first PLC slave station are in communication connection with the second PLC slave station.
Further, first carry over pinch rolls is equipped with synchronous encoder, synchronous encoder with second PLC slave station electric connection.
And the third motor and the second motor are connected to the output end of the PLC master station.
Furthermore, the thickness adjusting unit further comprises a fifth motor and a toothed belt wheel, a through hole is formed in the middle of the toothed belt wheel, a gear is arranged at the output end of the fifth motor and meshed with the toothed belt wheel, the aperture of the through hole is larger than the outer diameter of the cross section of the film bubble, and the thickness measuring instrument is fixed on the toothed belt wheel, and the detection end of the thickness measuring instrument faces the central shaft of the toothed belt wheel. The fifth motor drives the toothed belt wheel to rotate, the through hole in the middle of the toothed belt wheel can allow the film bubble to rise smoothly, and the toothed belt wheel can drive the thickness measuring instrument to do circular motion around the axis of the wind ring, so that the thickness of the film bubble at multiple positions is detected.
Furthermore, a herringbone frame is arranged above the sizing frame, at least one group of first traction rollers is arranged above the herringbone frame, the herringbone frame comprises a left support and a right support which are symmetrically distributed, the left support and the right support are both provided with a plurality of second traction rollers, the upper ends of the left support and the right support are both in transmission connection with a fourth motor, the fourth motor is connected with the output end of a cylinder, the fourth motor and the cylinder are electrically connected with the control system, the herringbone frame can gradually compress two sides of a bubble of an upward-transmission cylinder from wide to narrow and finally send the bubble to the first traction rollers arranged above the herringbone frame, in the prior art, the blown bubble is generally directly transmitted to the traction rollers for compression, a larger traction roller is needed, and if the traction rollers are smaller, the upward-blown bubble can wrap almost the whole traction rollers, the V-bracket does not pass through the V-bracket from wide to narrow, the compressed film bubble may have wrinkles and is not smooth enough, the fourth motor can control the left support and the right support to rotate by taking the upper ends of the left support and the right support as rotating shafts respectively, the controller can adjust the distance between the bottom ends of the left support and the right support according to the width of the film bubble, the larger the width of the film bubble is, the larger the distance between the bottom ends of the left support and the right support is, the controller can control the fourth motor to increase the distance between the bottom ends of the left support and the right support, and the distance between the left support and the right support integrally can be controlled by controlling the air cylinder to move.
The fourth motor and the air cylinder are connected to the output end of the second PLC slave station.
The utility model has the advantages that: the proper materials are weighed by the weighing mechanism of the feed hopper, when the weight reaches the preset amount of the control system, the control system controls the corresponding feed hopper to input the materials into the mixing mechanism for mixing, the mode of manually weighing the materials and mixing and stirring is replaced, the accuracy of material distribution and the mixing efficiency are improved, the width of a film bubble, namely the inner diameter length of the film bubble, is detected by the film width detection mechanism and fed back to the control system, the control system controls the air quantity of the air blower according to the detection result, when the detected film width is smaller than the preset film width, the air quantity of the air blower is increased, the inside of the film bubble is expanded under the action of the wind force, the width of the film bubble is increased, the film width is adjusted, the thickness measuring instrument can do circular motion by using the axis of the wind ring, the film bubble can be subjected to 360-degree circular detection by the thickness measuring instrument, so that the thickness detection is not limited to the same vertical position of the film bubble, the thickness measuring apparatu will be to the thickness of bubble detection data feedback in control system of the wall thickness of bubble promptly, control system controls the switch size of the blast gate of relevant position according to the testing result, the outside of bubble is blown through the different wind-force size of different positions, play the extrusion to the internal surface and the surface of bubble jointly with the inside wind-force of bubble, thereby adjust the local thickness of bubble, finally obtain the bubble that width and thickness all accord with the standard, and simultaneously, the wind-force that the wind ring body produced still can play the supporting role to the bubble, avoid that extruding means and die head thrust are not enough to lead to the bubble crooked.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a sizing frame;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is a schematic view of a sizing roller configuration;
FIG. 5 is a schematic structural view of a thickness adjusting unit;
FIG. 6 is a control logic diagram of the present invention;
fig. 7 is a schematic structural view of the propeller strut of the present invention;
FIG. 8 is a view A-A of FIG. 7;
wherein, 1, a first traction roller; 2. a weighing and feeding unit; 21. a storage bin; 22. a feed hopper; 23. a material sucking mechanism; 3. a material extrusion unit; 31. a material mixing mechanism; 32. an extrusion mechanism; 321. a charging barrel; 322. A third motor; 323. a screw; 33. a die head; 4. a bubble stabilization control unit; 41. a film width detection mechanism; 411. a first ultrasonic detector; 412. a second ultrasonic detector; 42. sizing frame; 421. an upper fixing ring; 422. a lower fixing ring; 423. a support bar; 424. a sizing roller; 4241. a roller member; 4242. a shaft member; 5. a thickness adjusting unit; 51. a thickness measuring instrument; 52. a wind ring control unit; 521. a fan; 53. A toothed belt pulley; 6. a herringbone frame; 61. a second pull roll; 62. a fourth motor; 63. a cylinder; 7. film bubble; 8. a blower.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Fig. 1-8 show a novel packaging film manufacturing device provided by the present invention, which comprises a first motor and a plurality of first traction rollers 1, wherein the first traction rollers 1 are connected to the output end of the first motor, and the novel packaging film manufacturing device is characterized by comprising a control system, a plurality of weighing and feeding units 2, a material extruding unit 3, a film bubble 7 stabilizing control unit 4 and a thickness adjusting unit 5;
the weighing and feeding unit 2 comprises a storage bin 21, a feeding hopper 22 and a material sucking mechanism 23, the weighing mechanism is arranged in the feeding hopper 22, the input end of the material sucking mechanism 23 is communicated with the storage bin 21, and the output end of the material sucking mechanism 23 is communicated with the feeding hopper 22;
the material extrusion unit 3 comprises a material mixing mechanism 31, an extrusion mechanism 32 and a die head 33, wherein the input end of the material mixing mechanism 31 is connected with the output end of the feed hopper 22, the output end of the material mixing mechanism 31 is connected with the input end of the extrusion mechanism 32, the output end of the extrusion mechanism 32 is connected with the input end of the die head 33, and the output end of the die head 33 faces upwards;
the bubble stability control unit 4 comprises a film width control mechanism and a film width detection mechanism 41, the film width control mechanism comprises an air blower 8, and the air blower 8 is positioned at the middle shaft of the die head and the output end of the air blower is upward;
the thickness adjusting unit 5 comprises a thickness measuring instrument 51 and an air ring control unit 52, the air ring control unit 52 is located at the upper end of the die head 33, the air ring control unit 52 comprises an air ring body and a plurality of fans 521, the fans 521 are all provided with air valves, the thickness measuring instrument can do circular motion with the axis of the air ring, and the fans 521 are distributed in a circular array by taking the axis of the air ring body as the center of a circle;
the control system is electrically connected with the extruding mechanism 32, the material sucking mechanism 23, the weighing mechanism, the first motor, the film width detecting mechanism 41, the film width control mechanism, the thickness measuring instrument 51 and the fan 521.
The mixing mechanism may be a stirring tank or a mixing and pushing mechanism in the prior art, and the thickness measuring instrument 51 may adopt an ultrasonic thickness measuring instrument 51 in the prior art.
The film width detection mechanism 41 comprises a first ultrasonic detector 411 and a second ultrasonic detector 412, and the first ultrasonic detector 411 and the second ultrasonic detector 412 are respectively fixed at the upper end and the lower end of the sizing frame 42. Because the propagation speeds of the ultrasonic waves in the wall of the film bubble 7 and the air are different, the ultrasonic waves emitted by the ultrasonic detector sequentially pass through the wall of the film bubble 7, the air in the middle of the film bubble 7 and the wall of the film bubble 7, the ultrasonic detector feeds back the measured propagation time of the ultrasonic waves in the air in the middle of the film bubble 7 to the control system, the control system obtains the width of the film bubble 7, namely the length of the inner diameter of the film bubble 7 according to the product of the propagation time and the propagation speed of the ultrasonic waves in the air, the actual widths of the film bubbles 7 at the upper end and the lower end of the sizing frame 42 are respectively measured by the first ultrasonic detector 411 and the second ultrasonic detector 412, the measured data are sent to the control system, the measured data are compared with the standard widths of the film bubbles 7 at the upper end and the lower end of the sizing frame 42 in the control system, and then signals are sent to the temperature control mechanism to adjust the width of the film bubble 7 in a temperature adjusting manner, and meanwhile, the inner diameter width of the sizing frame 42 is adjusted, so that the outer side of the bubble 7 attached to the inner diameter of the sizing frame 42 is limited, and the width of the bubble 7 is further adjusted.
Still include the second motor, sizing frame 42 includes last solid fixed ring 421, lower solid fixed ring 422 and a plurality of bracing piece 423, the upper end and the lower extreme of bracing piece 423 rotate respectively and connect in last solid fixed ring 421 and lower solid fixed ring 422, bracing piece 423 sets up a plurality of sizing rollers 424 in vertical direction, sizing rollers 424 includes roller piece 4241 and axle piece 4242, the outside of axle piece 4242 is located through the bearing housing to roller piece 4241, the one end of axle piece 4242 is fixed in bracing piece 423, bracing piece 423 transmission is connected in the output of second motor, control system and second motor electric connection. Roller 4241 contacts with rising bubble 7, and roller 4241 is rotatable, reduces and bubble 7 between frictional force, avoids leading to bubble 7 impaired, drives the bracing piece 423 through the second motor and rotates, makes roller 4241's position change to make roller 4241 change with the position of film contact point, thereby reach the effect of adjusting the internal diameter of sizing frame 42, spacing realization to the outside of bubble 7 is adjustable.
The second motor may drive the support rod 423 to rotate along the central axis of the sizing frame 42 in the same direction in a belt transmission manner.
The extruding mechanism 32 comprises a material barrel 321, a third motor 322 and a screw 323, the screw 323 is connected to the output end of the third motor 322, the screw 323 is located inside the material barrel 321, the output end of the material sucking mechanism 23 is communicated with the input end of the material barrel 321, the die head 33 is fixed to the output end of the material barrel 321, and the control system is electrically connected with the third motor 322. The third motor 322 controls the screw 323 to rotate, and pushes the material in the barrel 321 to the die 33.
Temperature control mechanism includes first temperature sensor, second temperature sensor, first heating rod and second heating rod, and the inner wall of feed cylinder 321 is located to first temperature sensor and first heating rod, and die head 33 is located to second temperature sensor and second heating rod, first temperature sensor and second temperature sensor and control system's input electric connection, and first heating rod and second heating rod are connected in control system's output. The first temperature sensor and the second temperature sensor monitor the temperature in the barrel 321 and the die head 33 in real time, and the control system gives appropriate temperature compensation to the barrel 321 and the die head 33 according to the time variation of the temperature in the barrel 321 and the die head 33, so that the temperature of the barrel 321 and the die head 33 is kept constant, and the influence of the temperature variation in the barrel 321 and the die head 33 on the quality of the output film bubble 7 is avoided.
The control system comprises a human-computer interaction module, a PLC master station, a first PLC slave station and a second PLC slave station, the output end of the weighing mechanism is connected to the PLC master station, the output end of the PLC master station is connected to the material sucking mechanism 23, the PLC master station is electrically connected with the second PLC slave station, and the first PLC slave station is electrically connected with the second PLC slave station; the thickness measuring instrument is in communication connection with the input end of the PLC main station, and the output end of the PLC main station is connected with the air valve and the air blower 8; the first temperature sensor and the second temperature sensor are connected to the input end of the second PLC slave station, and the first heating rod and the second heating rod are connected to the output end of the second PLC slave station; the output end of the second PLC slave station is connected to the first motor.
The control system further comprises a human-computer interaction module and a router, the human-computer interaction module is in communication connection with the router, the router is in communication connection with the PLC master station, and the PLC master station and the first PLC slave station are in communication connection with the second PLC slave station.
First carry over pinch rolls 1 is equipped with synchronous encoder, synchronous encoder and second PLC slave station electric connection.
The third motor 322 and the second motor are connected to the output of the PLC master station.
The thickness adjusting unit 5 further comprises a fifth motor and a toothed belt wheel 53, a through hole is formed in the middle of the toothed belt wheel 53, a gear is arranged at the output end of the fifth motor and meshed with the toothed belt wheel 53, the aperture of the through hole is larger than the outer diameter of the cross section of the film bubble 7, and the thickness measuring instrument 51 is fixed on the toothed belt wheel 53, and the detection end of the thickness measuring instrument 51 faces the central shaft of the toothed belt wheel 53. The fifth motor drives the toothed belt wheel 53 to rotate, the through hole in the middle of the toothed belt wheel 53 can allow the film bubble 7 to smoothly rise, and the toothed belt wheel 53 can drive the thickness measuring instrument 51 to do circular motion around the axis of the wind ring, so that the thickness of the film bubble 7 at multiple positions is detected.
A lambdoidal frame 6 is arranged above the sizing frame 42, at least one group of first traction rollers 1 are arranged above the lambdoidal frame 6, the lambdoidal frame 6 comprises a left support and a right support which are symmetrically distributed, a plurality of second traction rollers 61 are arranged on the left support and the right support, a fourth motor 62 is connected to the upper ends of the left support and the right support in a transmission way, the fourth motor 62 is connected to the output end of a cylinder 63, the fourth motor 62 and the cylinder 63 are electrically connected with a control system, the lambdoidal frame 6 can gradually compress two sides of a bubble 7 of an upward transmission cylinder from wide to narrow and finally send the bubble to the first traction roller 1 arranged above the lambdoidal frame 6, in the prior art, the blown bubble 7 is generally directly sent to the traction rollers for compression, a larger traction roller is needed, if the traction rollers are smaller, the blown bubble 7 can wrap almost the whole traction rollers, and does not pass through the lambdoidal frame 6 from wide to narrow, compressed membrane bubble 7 probably has the fold, it is not enough level and smooth, the steerable left socle of fourth motor 62 and the upper end that the right branch frame used left socle and right branch frame respectively to rotate as the pivot, the controller can adjust the interval of left socle and right branch frame bottom according to the width of membrane bubble 7, the width of membrane bubble 7 is big more, the controller makes the interval increase of left socle and right branch frame bottom through controlling fourth motor 62, still can remove the holistic interval of left socle and right branch frame through control cylinder 63.
The fourth motor 62 and the cylinder 63 are connected to an output end of the second PLC slave station.
The working principle is as follows: the material sucking mechanism 23 sucks the material in the storage bin 21 into the feed hopper 22, the material sucking mechanism 23 can adopt a vacuum material sucking mechanism 23, the control system calculates the using amount of each raw material according to the proportion of each raw material, proper materials are weighed by the weighing mechanism of the feed hopper 22, the weighing mechanism sends the measured data to the control system, when the data reach the preset using amount of the control system, the control system controls the corresponding feed hopper 22 to input the materials into the mixing mechanism for mixing, then the mixing mechanism sends the materials to the extruding mechanism 32, the extruding mechanism 32 pushes the materials out through the annular gap at the output end of the die head 33 to form the upward moving film bubble 7, the extruding mechanism 32 and the die head 33 can be the prior art, the film width detecting mechanism 41 detects the width of the film bubble 7, namely the inner diameter length of the film bubble 7 and feeds the detected material back to the control system, the control system controls the air volume of the air blower 8 according to the detection result, when the measured film width is smaller than the preset film width, the air volume of the air blower 8 is increased, the inner part of the film bubble is expanded under the action of the wind force, the width of the film bubble is increased, the film width is adjusted, the thickness measuring instrument 51 can do circular motion with the axis of the wind ring, 360-degree surrounding detection can be carried out on the film bubble 7 through one thickness measuring instrument 51, therefore, the film bubble is not limited to carry out thickness detection on the same vertical position of the film bubble 7, the thickness measuring instrument feeds back the detection data of the thickness of the film bubble 7, namely the wall thickness of the film bubble 7 to the control system, the control system controls the opening and closing size of the wind valve at the corresponding position according to the detection result, and the specified position of the film bubble 7 is blown through the wind force to adjust the thickness of the film bubble 7.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "left", "right" and the like are used herein for illustrative purposes only.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make simple deduction or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A novel packaging film manufacturing device comprises a first motor and a plurality of first traction rollers, wherein the first traction rollers are connected to the output end of the first motor;
the weighing and feeding unit comprises a storage bin, a feeding hopper and a material sucking mechanism, wherein the weighing mechanism is arranged inside the feeding hopper, the input end of the material sucking mechanism is communicated with the storage bin, and the output end of the material sucking mechanism is communicated with the feeding hopper;
the material extrusion unit comprises a material mixing mechanism, an extrusion mechanism and a die head, wherein the input end of the material mixing mechanism is connected with the output end of the feed hopper, the output end of the material mixing mechanism is connected with the input end of the extrusion mechanism, the output end of the extrusion mechanism is connected with the input end of the die head, and the output end of the die head faces upwards;
the film bubble stability control unit comprises a film width control mechanism and a film width detection mechanism, the film width control mechanism comprises an air blower, and the air blower is positioned at the middle shaft of the die head and the output end of the air blower faces upwards;
the thickness adjusting unit comprises a thickness measuring instrument and an air ring control unit, the air ring control unit is positioned at the upper end of the die head, the air ring control unit comprises an air ring body and a plurality of fans, the fans are provided with air valves, the thickness measuring instrument can do circular motion by taking the axis of the air ring body as the center of a circle, and the fans are distributed in a circular array by taking the axis of the air ring body as the center of a circle;
the control system is electrically connected with the extrusion mechanism, the material suction mechanism, the weighing mechanism, the first motor, the film width detection mechanism, the film width control mechanism, the thickness measuring instrument and the fan.
2. The novel packaging film manufacturing device according to claim 1, further comprising a sizing frame, wherein the film width detection mechanism comprises a first ultrasonic detector and a second ultrasonic detector, the first ultrasonic detector and the second ultrasonic detector are respectively fixed at the upper end and the lower end of the sizing frame, and the first ultrasonic detector and the second ultrasonic detector are electrically connected with the control system.
3. The novel packaging film manufacturing equipment according to claim 2, wherein a propeller strut is arranged above the sizing frame, at least one group of the first traction rollers is arranged above the propeller strut, the propeller strut comprises a left support and a right support which are symmetrically distributed left and right, a plurality of second traction rollers are arranged on the left support and the right support, a fourth motor is connected to the upper end of each of the left support and the right support in a transmission mode, the fourth motor is connected to the output end of a cylinder, and the fourth motor and the cylinder are electrically connected with the control system.
4. The novel packaging film manufacturing equipment according to claim 2, further comprising a second motor, wherein the sizing frame comprises an upper fixing ring, a lower fixing ring and a plurality of support rods, the upper ends and the lower ends of the support rods are respectively rotatably connected to the upper fixing ring and the lower fixing ring, the support rods are provided with a plurality of sizing rollers in the vertical direction, the sizing rollers comprise roller pieces and shaft pieces, the roller pieces are arranged on the outer side of the shaft pieces through bearing sleeves, one ends of the shaft pieces are fixed to the support rods, the support rods are in transmission connection with the output end of the second motor, and the control system is electrically connected with the second motor.
5. The novel packaging film manufacturing device according to claim 1, wherein the extruding mechanism comprises a material barrel, a third motor and a screw rod, the screw rod is connected to an output end of the third motor, the screw rod is located inside the material barrel, an output end of the material sucking mechanism is communicated with an input end of the material barrel, the die head is fixed to an output end of the material barrel, and the control system is electrically connected with the third motor.
6. The novel packaging film manufacturing device according to claim 5, wherein the material extrusion unit further comprises a temperature control mechanism, the temperature control mechanism comprises a first temperature sensor, a second temperature sensor, a first heating rod and a second heating rod, the first temperature sensor and the first heating rod are arranged on the inner wall of the charging barrel, the second temperature sensor and the second heating rod are arranged on the die head, the first temperature sensor and the second temperature sensor are electrically connected with the input end of the control system, and the first heating rod and the second heating rod are connected with the output end of the control system.
7. The novel packaging film manufacturing device as claimed in claim 6, wherein the control system comprises a human-computer interaction module, a PLC master station, a first PLC slave station and a second PLC slave station, an output end of the weighing mechanism is connected to the PLC master station, an output end of the PLC master station is connected to the material sucking mechanism, the PLC master station is electrically connected with the second PLC slave station, and the first PLC slave station is electrically connected with the second PLC slave station;
the thickness measuring instrument is in communication connection with the input end of the PLC main station, and the output end of the PLC main station is connected with the air valve and the air blower;
the first temperature sensor and the second temperature sensor are connected to the input end of the first PLC slave station, and the first heating rod and the second heating rod are connected to the output end of the first PLC slave station;
the output end of the second PLC slave station is connected to the first motor.
8. The novel packaging film manufacturing device of claim 7, wherein the control system further comprises a human-computer interaction module and a router, the human-computer interaction module is communicatively connected to the router, the router is communicatively connected to the PLC master station, and the PLC master station and the first PLC slave station are communicatively connected to the second PLC slave station.
9. The novel packaging film manufacturing apparatus of claim 7, wherein the first drawing roller is provided with a synchronous encoder, and the synchronous encoder is electrically connected with the second PLC slave station.
10. The novel packaging film manufacturing device according to claim 1, wherein the thickness adjusting unit further comprises a fifth motor and a toothed belt wheel, a through hole is formed in the middle of the toothed belt wheel, a gear is arranged at an output end of the fifth motor and meshed with the toothed belt wheel, the aperture of the through hole is larger than the outer diameter of the cross section of the film bubble, and the thickness measuring instrument is fixed on the toothed belt wheel, and the detection end of the thickness measuring instrument faces the central axis of the toothed belt wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850962.XU CN214645849U (en) | 2020-12-01 | 2020-12-01 | Novel packaging film manufacturing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850962.XU CN214645849U (en) | 2020-12-01 | 2020-12-01 | Novel packaging film manufacturing equipment |
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| Publication Number | Publication Date |
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| CN214645849U true CN214645849U (en) | 2021-11-09 |
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| CN202022850962.XU Active CN214645849U (en) | 2020-12-01 | 2020-12-01 | Novel packaging film manufacturing equipment |
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| CN (1) | CN214645849U (en) |
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