CN214325561U - Perforating device for roll paper stretch film packaging - Google Patents
Perforating device for roll paper stretch film packaging Download PDFInfo
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- CN214325561U CN214325561U CN202022863404.7U CN202022863404U CN214325561U CN 214325561 U CN214325561 U CN 214325561U CN 202022863404 U CN202022863404 U CN 202022863404U CN 214325561 U CN214325561 U CN 214325561U
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Abstract
The utility model discloses a perforating device for packaging web stretch film, which comprises a pressing plate and a perforating shaft which are arranged on a perforating support frame; the pressing plate comprises a vertically arranged pressing surface, and a perforated shaft access hole penetrating through the pressing surface is formed in the vertically arranged pressing surface; the perforation shaft level is flexible to be set up, and the perforation shaft is installed on the perforation support frame through perforation flexible control unit, and the perforation shaft of perforation shaft and clamp plate goes out the hole coaxial cooperation setting that slides, is equipped with the protrusion on the terminal surface border position of perforation shaft extension end in the cutting sword of terminal surface, and the cutting sword is the loop configuration along the circumferential direction of perforation shaft. This perforating device for package of roll paper drawing film can realize perforating the refill tip of the roll paper after the drawing film package, and then realizes solving the heat dissipation problem of the roll paper after the complete package, and the specially adapted draws the roll paper packaging line of film package to the finished product roll paper of paper machine output.
Description
Technical Field
The utility model relates to a perforating device specifically is a perforating device that carries out the perforation of dispelling heat after drawing the membrane packing to the roll web product that paper machine produced, belongs to packing technical field.
Background
Paper is generally made from an aqueous suspension of plant fibers that has been subjected to a pulping process, combined in a web-like manner, preliminarily dewatered, compressed, and dried. Paper is currently manufactured by mechanisms that include stock preparation, pulping, papermaking, and continuing on the paper machine until a web or sheet is made.
The industrial roll paper is a paper roll which is formed by cutting and rolling paper made by a paper machine through a rewinder, meets the national standard or the width and the diameter required by a user, can be used for various industries such as rotary printing, automatic packaging and the like, generally the width of the industrial roll paper in China is 1575mm, 1092mm, 880mm, 787mm and the like, and the single roll paper has heavier weight and can reach the tonnage level generally. The finished web needs to be weighed before being put in storage and then is pasted with a label and packaged in a moisture-proof way, and usually, the label is pasted once before and after the moisture-proof packaging. Although the machine-made paper making has been realized automatically, most of the existing finished product roll paper packaging processes still adopt manual operation, namely, the finished product roll paper is unloaded from the paper making machine and then is manually pushed to carry out weighing, primary label pasting, moisture-proof plastic diaphragm packaging and secondary label pasting. The manual operation mode has low efficiency, and because the finished roll paper is usually large in diameter and heavy in weight, the labor intensity of operators is high, and the risks of rolling and squeezing feet exist; in addition, because the diameter of the finished web is usually large, the manual rolling packaging method requires a long rolling path, and thus the packaging in a narrow space cannot be realized.
Although the film drawing packaging machine in the prior art can realize automatic winding packaging, the film drawing packaging machine can only carry out automatic winding packaging of the diaphragm for surrounding the axis along the vertical axis generally, and the top surface and the bottom surface of the packaged object can not be automatically wound and packaged, even if the top surface of the packaged object can be realized and independent diaphragm is paved and then automatic winding packaging is carried out, the packaging of the bottom surface of the packaged object can not be realized, therefore, the film drawing packaging machine is generally suitable for the whole winding film drawing packaging after a plurality of independently packaged regular packaging boxes are neatly stacked on the tray. For single roll paper with heavy weight and large size, automatic film-drawing packaging of automatically winding a diaphragm after laying the diaphragm on two circular end faces is difficult to realize, so persons in the industry of papermaking generally do not consider to adopt a film-drawing packaging machine to draw and package roll paper products. In addition, because freshly produced webs typically have relatively high temperatures, fully packaged webs also require heat dissipation considerations. How to realize full-automatic rapid packaging of web products with heavier weight and larger size and solve the problem of heat dissipation still remains a difficult problem in the industry at present.
Disclosure of Invention
To the above problem, the utility model provides a perforating device is used to roll web drawing film packing can realize perforating the refill tip of the roll web after the drawing film packing, and then realizes solving the heat dissipation problem of the roll web after the complete packing, and the roll web drawing film baling line that the specially adapted drew the film packing to the finished product roll web of paper machine output.
In order to achieve the purpose, the perforating device for the roll paper stretch film packaging comprises a pressing plate and a perforating shaft which are arranged on a perforating support frame;
the pressing plate comprises a vertically arranged pressing surface, and a perforated shaft access hole penetrating through the pressing surface is formed in the vertically arranged pressing surface;
the perforation shaft level flexible setting, the perforation shaft is installed on the perforation support frame through perforation flexible control unit, and the perforation shaft of perforation shaft and clamp plate goes out the hole coaxial cooperation setting that slides, be equipped with the protrusion on the terminal surface border position of perforation shaft extension end in the cutting sword of terminal surface, and the cutting sword is the loop configuration along the circumferential direction of perforation shaft.
As the utility model discloses a further improvement scheme, be equipped with on the perforation axle and run through the logical groove of perforation axle along radial direction, and lead to the axial direction that leads to the groove edge perforation axle and be long groove structure, the axle center rigidity of perforation axle is equipped with the puncture rod that runs through the end terminal surface that stretches out that leads to groove and perforation axle, the pointed cone structure tip of puncture rod stretches out to the terminal surface outside that the perforation axle stretches out the end, and pointed cone structure tip protrusion is greater than the protrusion size of cutting edge protrusion in the terminal surface in the protrusion size of terminal surface, still be equipped with draw-in groove or the annular groove that sets up along radial direction on the tip body of rod of puncture rod, the outside cooperation of slipping of puncture rod cup joints and installs the apical cap, the apical cap is installed on the perforation support frame through apical cap flexible control part, and the apical cap cooperation of sliding runs through the terminal surface setting that the perforation axle stretches out the end.
As an embodiment of the present invention, the perforation expansion control part of the perforation shaft and the top cover expansion control part of the top cover are parallel arranged cylinder structures.
As a further improvement of the utility model, a distance measuring sensor is arranged on the perforation supporting frame of the perforating device.
As a further improvement of the utility model, a mode identification sensor is arranged on the perforation supporting frame of the perforating device.
Compared with the prior art, after the roll paper is subjected to film-drawing packaging and secondary automatic printing and labeling, the coordinate driving mechanism of the automatic label-pasting mechanical arm and the coordinate rotation driving assembly of the automatic label-pasting mechanical arm can be controlled to act to enable the coordinate movement of the perforation shaft of the perforation device to be opposite to and close to the end part of the paper core of the roll paper, when the pressing surface of the pressing plate is abutted against the end part of the paper core of the roll paper, the packaging film outside the end part of the paper core is positioned and pressed on the end part of the paper core, then the perforation telescopic control component is controlled to act to enable the perforation shaft to stretch out from the perforation shaft inlet and outlet hole of the pressing plate, in the process of stretching out the perforation shaft, the packaging film outside the end part of the paper core is cut by the annular structure cutting edge of the stretching out end of the perforation shaft, the automatic perforation is completed after the perforation telescopic control component is reset, and the perforation can be performed at the front end and the rear end of the paper core to realize better heat dissipation effect, and the heat dissipation problem of the completely packaged roll paper is solved, and the roll paper film-drawing packaging line is particularly suitable for the roll paper film-drawing packaging line for drawing and packaging the finished roll paper output by a paper machine.
Drawings
FIG. 1 is a schematic three-dimensional structure of a web stretch film packaging line;
FIG. 2 is a schematic diagram of a three-dimensional structure of a web weighing section of a web stretch film packaging line;
FIG. 3 is a schematic three-dimensional structure of a web output section of a web stretch wrap line;
FIG. 4 is a schematic three-dimensional structure of a label automatic-pasting robot for a label printing and pasting part of a web output section of a web stretch film packaging line;
fig. 5 is a schematic three-dimensional structure of the present invention;
FIG. 6 is a schematic three-dimensional structure of a web-pull film wrapping section of a web-pull film wrapping line;
FIG. 7 is a schematic three-dimensional structure diagram of the combination of a roll paper tube supporting and rotating device and a film-drawing automatic tail-cutting device of a roll paper film-drawing packaging line;
FIG. 8 is a schematic three-dimensional structure diagram of a left front view angle when a film drawing and cutting device of a roll paper film drawing and packaging line is arranged on the left side of a roll paper film drawing and packaging section and a rocker arm of a rocker arm type film drawing machine rotates anticlockwise;
FIG. 9 is a schematic three-dimensional structure diagram of a left rear viewing angle when a film drawing and cutting device of a roll paper film drawing and packaging line is arranged on the left side of a roll paper film drawing and packaging section and a rocker arm of a rocker arm type film drawing machine rotates anticlockwise;
FIG. 10 is a schematic three-dimensional structure diagram of a right front view angle when an automatic film drawing and cutting device of a roll paper film drawing and packaging line is arranged on the left side of a roll paper film drawing and packaging section and a rocker arm of a rocker arm type film drawing machine rotates anticlockwise;
fig. 11 is a partially enlarged view of fig. 10.
In the figure: 1. a roll paper conveying unit, 2, an automatic weighing unit, 21, an electronic platform scale, 3, an automatic label printing and pasting unit, 31, an automatic label printing and outputting machine, 32, an automatic label pasting mechanical arm, 33, an automatic label pasting mechanical arm, 34, a perforating device, 341, a pressure plate, 342, a perforating shaft, 343, a puncture rod, 344, a top sleeve, 345, a packaging film waste collecting barrel, 35, a roll paper detecting device, 4, a film drawing and packaging unit, 41, a rocker arm type film drawing machine, 411, a rocker arm supporting frame, 412, a rocker arm, 413, a film frame, 42, a roll paper barrel supporting and rotating device, 421, a lifting roller, 43, an automatic film drawing and cutting device, 431, a supporting bottom frame, 432, a scissor type automatic clamping part, 4321, a supporting seat, 4322, a fixed clamping plate, 4323, a swinging clamping plate, 4324, a swinging driving part, 433, an automatic film drawing and cutting part, 4331, 4332 and a pushing vertical frame, 4333. the automatic adhesive tape sticking device comprises an arc-shaped pressing plate, 4334, a pressing wheel, 4335, a film pulling and cutting edge, 434, an automatic adhesive tape sticking part, 4341, a mounting vertical plate, 4342, a main pressing and sticking roller, 4343, an adhesive tape guide roller, 4344, an adhesive tape roll mounting seat, 4345, an auxiliary pressing and sticking roller, 4346 and an adhesive tape cutting edge.
Detailed Description
The present perforation device for stretch-wrap wrapping of a roll paper is described below with reference to the drawings by way of example in which the perforation device is installed in a stretch-wrap wrapping line of a roll paper (hereinafter, the perforation device will be described with reference to the drawings, where the roll paper is conveyed forward, and the roll paper is rotated about the X coordinate, the horizontal front-rear direction is the Y coordinate, the vertical up-down direction is the Z coordinate, the direction of rotation about the X coordinate is the a coordinate, the direction of rotation about the Y coordinate is the B coordinate, and the direction of rotation about the Z coordinate is the C coordinate).
As shown in fig. 1, the roll paper stretch film packaging line includes a roll paper conveying unit 1, an automatic weighing unit 2, a label automatic printing and pasting unit 3, a stretch film packaging unit 4, and a centralized electronic control unit.
The roll paper conveying unit 1 comprises a conveying device and a roll paper conveying electric control device. The conveying device is a multi-section conveying structure which is connected end to form a whole linear structure conveying line, the multi-section conveying structure sequentially comprises a roll paper input section, a roll paper weighing section, a roll paper film drawing packaging section and a roll paper output section from back to front, the conveying device is a belt conveying structure or a roller arrangement type conveying structure comprising a roller driving motor, taking the belt conveying structure as an example, the roll paper input section, the roll paper weighing section, the roll paper film drawing packaging section and the roll paper output section respectively at least comprise a front supporting roller, a rear supporting roller and a conveying belt, the front supporting roller and the rear supporting roller which are arranged in a rolling manner along the front and rear directions are arranged in a front and rear parallel opposite mode, the conveying belt is closed at the end to form a ring shape and is installed on the front supporting roller and the rear supporting roller in a matched and sleeved mode, the conveying belt is supported by the front supporting roller and the rear supporting roller to form an upper layer and a lower layer, and the roll paper can be conveniently conveyed up and down, the belt type conveying device is horizontally arranged below the ground, and the bearing surface of the upper layer conveying belt of the conveying belt is flush with the ground; the roller driving motor is arranged on the front supporting roller and/or the rear supporting roller; in order to stably support and convey the roll paper, a carrying roller which can be arranged in a rolling manner along the front-back direction can be arranged between the front supporting roller and the rear supporting roller; the conveying belt can be of a conveying rubber belt structure or a conveying chain belt structure; in order to avoid the situation that the roll paper rolls to separate from the conveying belt in the conveying process, when the conveying belt with the conveying belt structure is adopted, the three supporting rollers are sequentially connected into a group of supporting roller sets with an inverted trapezoidal structure, the supporting roller sets are uniformly distributed and arranged in multiple groups along the front and back directions, and the roll paper can press the conveying belt on the supporting roller sets with the inverted trapezoidal structure to realize stable supporting; in order to avoid the phenomenon that the roll paper rolls to separate from the conveying belt in the conveying process, when the conveying belt with the conveying chain belt structure is adopted, the bearing surface of each section of chain belt plate is of an arc surface structure matched with the outer diameter of the roll paper, and the roll paper can be clamped on the arc surface structure of the chain belt plate to realize stable bearing; in order to realize stable continuous carrying, transition rollers which are arranged in a rolling manner along the front-back direction are positioned at the butt joint positions of the adjacent roll paper input section, the roll paper weighing section, the roll paper film drawing and packaging section and the roll paper output section. When the conveying device of the roller-arranging type conveying structure with the plurality of carrying rollers arranged side by side is adopted, the roller driving motor is arranged on the carrying rollers, and the roller surfaces of the carrying rollers can be arc-shaped roller surface structures matched with the outer diameter size of roll paper. The roll paper conveying electric control device comprises a roll paper conveying controller and a roll paper conveying control loop, wherein the roll paper conveying controller is electrically connected with roller driving motors of the roll paper input section, the roll paper weighing section, the roll paper film drawing and packaging section and the roll paper output section respectively.
As shown in fig. 2, the automatic weighing unit 2 is disposed corresponding to a web weighing section of the web conveying unit 1, and includes an electronic scale 21 and a weighing electric control device. The electronic scale 21 is horizontally positioned and installed right below the roll paper weighing section of the roll paper conveying unit 1. The weighing electric control device comprises an automatic weighing controller and a weighing control loop, and the automatic weighing controller is electrically connected with the electronic scale 21.
As shown in fig. 2 and 3, the label automatic printing and pasting unit 3 comprises a web weighing segment label printing and pasting part, a web output segment label printing and pasting part and a label automatic printing and pasting electric control device; the label printing and pasting part of the roll paper weighing section is correspondingly arranged on the left side or the right side of the roll paper weighing section of the roll paper conveying unit 1, and the label printing and pasting part of the roll paper output section is correspondingly arranged on the left side or the right side of the roll paper output section of the roll paper conveying unit 1.
The label printing and pasting part of the roll paper weighing section and the label printing and pasting part of the roll paper output section respectively comprise an automatic printing and marking machine 31, an automatic label pasting mechanical arm 32 and an automatic label pasting mechanical arm 33; the automatic printing and marking machine 31 is installed on the ground through the marking machine base, and the automatic printing and marking machine 31 can realize automatic printing and output of the back adhesive label (the automatic printing and marking machine 31 is the prior art, and detailed description is not given here); the automatic label pasting mechanical arm 32 is correspondingly arranged near the automatic printing and marking machine 31, and the automatic label pasting mechanical arm 32 at least comprises an X coordinate driving mechanism moving along the horizontal left-right direction and a Z coordinate driving mechanism moving along the vertical up-down direction; sign self-adhesive manipulator 33 installs on the end of sign self-adhesive arm 32, in order to increase the flexibility of sign self-adhesive manipulator 33, realize reducing the motion stroke of sign self-adhesive arm 32 under the prerequisite of firm sign of pasting, sign self-adhesive manipulator 33 can install on the end of sign self-adhesive arm 32 through being rotatory B coordinate rotation drive assembly of rotation center along Y coordinate axis and/or being rotatory A coordinate rotation drive assembly of rotation center along X coordinate axis, sign self-adhesive manipulator 33 includes sign negative pressure grabbing device, sign negative pressure grabbing device includes the suction cup through sucking disc support mounting, the suction cup passes through the gas circuit pipeline and is connected with the negative pressure source with the gas circuit control valve.
The automatic label printing and sticking electric control device comprises an automatic label printing and sticking controller, an automatic label printing control loop and an automatic label sticking control loop, wherein the automatic label printing and sticking controller is respectively and electrically connected with the automatic printing and marking machine 31, a coordinate driving mechanism of an automatic label sticking mechanical arm 32, a coordinate rotation driving assembly of an automatic label sticking mechanical arm 33 and an air path control valve of a negative-pressure label grabbing device.
As shown in fig. 6, the film drawing and packaging unit 4 is arranged corresponding to the roll paper drawing and packaging section of the roll paper conveying unit 1, and includes a rocker arm type film drawing machine 41, a roll paper tube carrying and rotating device 42, an automatic film drawing and cutting device 43, and an electric control device for film drawing and packaging.
The rocker arm type film drawing machine 41 comprises a rocker arm supporting frame 411, a rocker arm 412 and a film frame 413; the rocker arm 412 comprises a horizontal section and a vertical section, the horizontal section is installed on the rocker arm supporting frame 411 through a vertically arranged rotating shaft, the axis of the rotating shaft is arranged right to the geometric center of the roll paper film drawing and packaging section of the roll paper conveying unit 1, a rotary driving motor is arranged on the rotating shaft, the vertical section is fixedly arranged at the end part of the horizontal section, a film frame 413 comprising a vertically arranged packaging film roll supporting rod is installed on the vertical section of the rocker arm 412, the height dimension of the film frame 413 corresponds to the height dimension of the axis of the roll paper, in order to achieve the universality of roll paper with different outer diameter dimensions, the film frame 413 is installed on the vertical section of the rocker arm 412 through a height adjusting mechanism, the height adjusting mechanism can be a positioning pin and a positioning hole structure which are arranged in a matched mode, and can also be other height adjusting structures such as an electric cylinder structure.
The roll paper tube supporting and rotating device 42 comprises a lifting roller 421 horizontally installed below the ground, the lifting roller 421 with a central axis arranged along the front-back direction is arranged in two pieces in bilateral symmetry relative to the roll paper film-drawing packaging section of the roll paper conveying unit 1, the lifting roller 421 comprises a lifting guide mechanism I and a lifting driving mechanism I, the lifting guide mechanism I can be a sliding rail structure arranged in a matching way or other linear sliding guide structures such as a guide wheel and a guide rail structure arranged in a matching way, the lifting driving mechanism I can be a hydraulic cylinder structure, an electric cylinder structure or other lifting structures such as a matched gear rack structure, a roller rotating driving motor is further arranged on at least one lifting roller 421, in order to realize the universality of roll paper with different outer diameter sizes, a distance adjusting mechanism capable of synchronously adjusting the distance relative to the geometric center of the roll paper film-drawing packaging section of the roll paper conveying unit 1 is further arranged between the two lifting rollers 421, the distance adjusting mechanism can be a telescopic cylinder structure or an electric cylinder structure which is respectively arranged along the left and right directions, and can also be other distance adjusting structures such as a stud bolt structure and a nut structure which are arranged in a matching way.
As shown in fig. 7, the stretch film automatic tail cutter 43 is horizontally installed below the ground on the left or right side of the roll film stretch packaging section of the roll paper conveying unit 1, and includes a supporting base frame 431, a scissor type automatic clamping part 432, a stretch film automatic tail cutter part 433, and an automatic adhesive tape sticking part 434; as shown in fig. 8 to 10, the supporting chassis 431 is installed below the ground through a sliding guide mechanism i and a sliding driving mechanism i arranged along the front-back direction, the sliding guide mechanism i may be a sliding rail structure arranged in a matching manner, or other linear sliding guide structures such as a guide wheel and a guide rail structure arranged in a matching manner, the sliding driving mechanism i may be a hydraulic cylinder or an air cylinder or an electric cylinder structure, or a gear rack structure driven by an electric motor, or other linear reciprocating driving structures such as a belt transmission structure driven by an electric motor; the scissor type automatic clamp portion 432 includes a support base 4321, a fixed clamp plate 4322, a swing clamp plate 4323 and a swing drive part 4324, the support base 4321 is mounted on the support base 431 by a lifting guide mechanism ii and a lifting drive mechanism ii arranged in a vertical direction, the vertically arranged fixed clamp plate 4322 is fixedly arranged on the support base 4321, the bottom of the swing clamp plate 4323 positioned on the left or right side of the fixed clamp plate 4322 is hinge-mounted on the support base 4321, a swing driving part 4324 capable of driving the swing clamping plate 4323 to change angles between a horizontal state and a vertical state is mounted on the supporting seat 4321, the swing driving part 4324 can be an air cylinder, a hydraulic cylinder, an electric cylinder structure, a rotary motor structure or other swing driving structures, when the swing clamping plate 4323 swings to be in the vertical state, the swing clamping plate 4323 and the fixed clamping plate 4322 are in a closed clamping state, and the length dimensions of the swing clamping plate 4323 and the fixed clamping plate 4322 can be both greater than the width dimension of the packaging film; the automatic film drawing and cutting part 433 comprises a lifting frame 4331, a pushing vertical frame 4332 and an arc-shaped pressing plate 4333, wherein the lifting frame 4331 is arranged on the supporting bottom frame 431 through a lifting guide mechanism III and a lifting driving mechanism III which are arranged along the vertical direction, the lifting frame 4331 is arranged in front of or behind the automatic shearing type clamping part 432 corresponding to the rotation direction of the rocker arm 412, the pushing vertical frame 4332 is arranged on the lifting frame 4331 through a sliding guide mechanism II and a sliding driving mechanism II which are arranged along the left-right direction, the arc-shaped diameter size of the arc-shaped pressing plate 4333 is matched with the outer diameter size of the roll paper, the arc-shaped circle center position of the arc-shaped pressing plate 4333 is arranged corresponding to the axis position of the roll paper, the arc-shaped pressing plate 4333 is fixedly arranged on the pushing vertical frame 4332, a plurality of pressing wheels 4334 which are arranged in a rolling manner along the front-back direction are uniformly distributed on the arc-shaped pressing plate 4333 along the arc-shaped direction, a plurality of film drawing and cutting blades which are uniformly distributed behind or in front of the arc-shaped pressing wheel 4334 corresponding to the rotation direction of the rocker arm 412, the cutting edge of the film cutting edge 4335 is arranged corresponding to the arc-shaped circle center of the arc-shaped pressing plate 4333, and the protruding height dimension of the cutting edge of the film cutting edge 4335 in the direction facing the arc-shaped circle center of the arc-shaped pressing plate 4333 is smaller than the protruding height dimension of the pressing wheel 4334 in the direction facing the arc-shaped circle center of the arc-shaped pressing plate 4333; as shown in fig. 11, the automatic adhesive tape applying section 434 includes an installation vertical plate 4341, a main pressure bonding roller 4342, an adhesive tape guide roller 4343, an adhesive tape roll installation seat 4344, an auxiliary pressure bonding roller 4345 and an adhesive tape cutting edge 4346 which are installed on the installation vertical plate 4341, the installation vertical plate 4341 which is located in front of or behind the pushing vertical frame 4332 corresponding to the rotation direction of the swing arm 412 is fixedly installed on the pushing vertical frame 4332, the main pressure bonding roller 4342 is installed on the upper portion of the installation vertical plate 4341 through a telescopic control part i which is telescopically installed in the left-right direction and is arranged in the front-rear direction along the axial direction of the main pressure bonding roller 4342, the telescopic control part i may be a hydraulic cylinder or an electric cylinder or other linear reciprocating structure such as a rack-and-pinion structure driven by an electric motor, and the auxiliary pressure bonding roller 4345 whose central axis is arranged in parallel to the main pressure bonding roller 4342 is arranged below or above the main pressure bonding roller 4342 corresponding to the rotation direction of the lifting roller 421, The auxiliary pressure-bonding pasting roller 4345 is installed on the installation vertical plate 4341 through a telescopic control part II which is arranged in a telescopic mode along the left-right direction, the adhesive tape cutting edge 4346 is arranged between the main pressure-bonding pasting roller 4342 and the auxiliary pressure-bonding pasting roller 4345, the adhesive tape cutting edge 4346 is installed on the installation vertical plate 4341 through a telescopic control part III which is arranged in a telescopic mode along the left-right direction, the adhesive tape guide roller 4343 and the adhesive tape roll installation seat 4344, which are arranged in parallel to the main pressure-bonding pasting roller 4342 in the central axis direction, are installed on the installation vertical plate 4341, and after the adhesive tape roll is installed on the adhesive tape roll installation seat 4344 in a sleeved mode, the end portion of the adhesive tape can be pulled out and wound around the adhesive tape guide roller 4343 to be connected to the main pressure-bonding pasting roller 4342 in a overlapped mode.
The film drawing packaging electric control device comprises a film drawing packaging controller, a film drawing machine control loop, a paper roll carrying rotary control loop and a film drawing automatic tail cutting control loop, wherein the film drawing packaging controller is electrically connected with a rotary driving motor of the rocker arm type film drawing machine 41, a lifting driving mechanism I of the lifting roller 421, a roller rotary driving motor of the lifting roller 421, a spacing adjusting mechanism of the lifting roller 421, a sliding driving mechanism I of the supporting underframe 431, a lifting driving mechanism II of the supporting seat 4321, a swinging driving part 4324 of the swinging clamping plate 4323, a lifting driving mechanism III of the lifting frame 4331, a sliding driving mechanism II of the pushing vertical frame 4332, a telescopic control part I of the main crimping and adhering roller 4342, a telescopic control part II of the auxiliary crimping and adhering roller 4345 and a telescopic control part III of the adhesive tape cutting edge 4346 respectively.
The centralized electric control unit comprises a central controller, a roll paper automatic conveying control loop, a roll paper automatic weighing control loop, an automatic printing and pasting label control loop and a roll paper film-drawing packaging control loop, wherein the central controller is respectively and electrically connected with the roll paper conveying controller, the automatic weighing controller, the label automatic printing and pasting controller and the film-drawing packaging controller.
Before a roll paper product is packaged by using a roll paper film-drawing packaging line, in an initial state, a film frame 413 of a rocker arm type film-drawing machine 41 is stopped at the same side with an automatic film-drawing and tail-cutting device 43 through a rocker arm 412, a lifting roller 421 of a roll paper tube carrying and rotating device 42 is positioned at the lower position of the lifting stroke of a lifting guide mechanism I below the carrying surface of a roll paper film-drawing packaging section of a roll paper conveying unit 1, a support bottom frame 431 of the automatic film-drawing and tail-cutting device 43 is positioned at the front section or the rear section of the sliding stroke of the sliding guide mechanism I corresponding to the rotating direction of the rocker arm 412 (if the automatic film-drawing and tail-cutting device 43 is positioned at the left side of the roll paper film-drawing packaging section and the rocker arm 412 rotates anticlockwise, the support bottom frame 431 of the automatic film-drawing and tail-cutting device 43 is positioned at the rear section of the sliding stroke of the sliding guide mechanism I; if the automatic film-drawing and tail-cutting device 43 is positioned at the left side of the roll paper film-drawing packaging section, And the rocker 412 rotates clockwise, the supporting chassis 431 of the film-drawing automatic tail-cutting device 43 is positioned at the front section of the sliding stroke of the sliding guide mechanism I; if the film-pulling automatic tail-cutting device 43 is positioned at the right side of the roll paper film-pulling packaging section and the rocker 412 rotates anticlockwise, the supporting bottom frame 431 of the film-pulling automatic tail-cutting device 43 is positioned at the front section of the sliding stroke of the sliding guide mechanism I; if the automatic film drawing and tail cutting device 43 is positioned on the right side of the roll paper film drawing and packaging section and the rocker arm 412 rotates clockwise, the supporting bottom frame 431 of the automatic film drawing and tail cutting device 43 is positioned on the rear section of the sliding stroke of the sliding guide mechanism I), the supporting seat 4321 of the automatic scissors-type clamping part 432 is positioned at the lower position of the lifting stroke of the lifting guide mechanism II, the swinging clamping plate 4323 is in a horizontal state separated from the fixed clamping plate 4322, the lifting frame 4331 of the automatic film drawing and tail cutting part 433 is positioned at the lower position of the lifting stroke of the lifting guide mechanism III, the pushing vertical frame 4332 is positioned at the left end or the right end of the sliding stroke of the sliding guide mechanism II, and the main pressure welding and adhering roller 4342, the auxiliary pressure welding and adhering roller 4345 and the tape cutting edge 4346 of the automatic adhesive tape part 434 are all in a fully retracted state;
preparing for packaging: an operator firstly controls a central controller to call relevant specification data of gram weight, grade, paper core diameter and the like of a batch of roll paper products, then the operator sleeves a packaging film roll on a packaging film roll supporting rod and extracts a packaging film end of the packaging film roll, the supporting seat 4321 of the scissor type automatic clamping part 432 is controlled by a film pulling packaging controller to lift, then the packaging film end is attached to the fixed clamping plate 4322 of the scissor type automatic clamping part 432, the swinging driving part 4324 is controlled by the film pulling packaging controller to act so that the swinging clamping plate 4323 and the fixed clamping plate 4322 are in a closed clamping state, the packaging film end is clamped on the scissor type automatic clamping part 432, as shown in fig. 11, and then the operator installs the adhesive tape roll on an adhesive tape roll mounting seat 4344, extracts the adhesive tape end, and overlaps the adhesive tape end on the main pressure welding pasting roller 4342 after passing through the adhesive tape guide roller 4343;
automatic weighing and one-time automatic printing and labeling: the central controller starts an automatic roll paper conveying control loop, the roll paper conveying controller controls a roll paper input section of the roll paper conveying unit 1 and a roll paper weighing section to synchronously act so that a front supporting roll and/or a rear supporting roll drive a conveying belt to convey forwards, roll paper which finishes a roll cutting process sequentially enters the roll paper input section at intervals, and after a first roll paper enters the roll paper weighing section, the roll paper conveying controller controls the roll paper input section and the roll paper weighing section to synchronously stop conveying for standby; the central controller controls and starts an automatic roll paper weighing control loop, after the automatic weighing controller sends weight data of a first roll paper fed back by the electronic platform scale 21 to the central controller, the central controller starts an automatic printing and label pasting control loop, the automatic label printing and pasting controller prints and outputs a gum label by an automatic printing and marking machine 31 of a roll paper weighing section label printing and pasting part and the weight data of the first roll paper, then the automatic label printing and pasting controller controls an air passage control valve of a label negative pressure grabbing device of the roll paper weighing section label printing and pasting part to open and controls a coordinate driving mechanism of an automatic label pasting mechanical arm 32 of the roll paper weighing section label printing and pasting part to act so that a label automatic pasting mechanical arm 33 of the roll paper weighing section label printing and pasting part moves to perform negative pressure adsorption and grabbing on the gum label, after grabbing the gum label, the label automatic printing and sticking controller controls the coordinate driving mechanism of the label automatic sticking mechanical arm 32 of the label printing and sticking part of the roll paper weighing section label to act so that the label automatic sticking mechanical arm 33 moves to the set sticking position of the first roll paper for sticking the label by adsorbing the gum label coordinate, after the sticking is completed, the label automatic printing and sticking controller firstly controls the air path control valve of the label negative pressure grabbing device of the label printing and sticking part of the roll paper weighing section label to close, and then controls the coordinate driving mechanism of the label automatic sticking mechanical arm 32 of the label printing and sticking part of the roll paper weighing section label to act to reset, so that one-time automatic printing and sticking of the first roll paper is completed;
and (3) film pulling and packaging: the roll paper conveying controller controls the roll paper input section, the roll paper weighing section and the roll paper film-drawing packaging section of the roll paper conveying unit 1 to synchronously act so that the front supporting roll wheel and/or the rear supporting roll wheel drive the conveying belt to convey forwards, and after a first roll paper enters the roll paper film-drawing packaging section and a subsequent second roll paper enters the roll paper weighing section, the roll paper conveying controller controls the roll paper input section, the roll paper weighing section and the roll paper film-drawing packaging section to synchronously stop conveying for standby; as shown in fig. 7, the film-drawing packaging controller firstly controls the lifting driving mechanism i of the lifting drum 421 to act so that the lifting drum 421 jacks up and stably supports the first roll of paper, then controls the rotary driving motor of the rocker arm type film-drawing machine 41 to act so that the rocker arm 412 drives the film frame 413 to rotate around the axial lead of the rotary shaft, and as the packaging film end is clamped on the scissor type automatic clamping portion 432 and the supporting bottom frame 431 of the film-drawing automatic tail-cutting device 43 is located near the rear end or the front end of the first roll of paper, the packaging film is drawn and released by the film frame 413 during the rotation of the rocker arm 412, and the packaging film firstly wraps the rear end face or the front end face of the first roll of paper near the film-drawing automatic tail-cutting device 43 and then wraps the cylinder, Sequentially winding according to the sequence of end face-cylinder body-end face-cylinder body, when the rocker 412 pulls the packaging film through the film frame 413 to enable the packaging film to at least finish the wrapping of one roll paper end face wound for the first circle, the film pulling packaging controller firstly controls the swing driving part 4324 to act to enable the swing clamping plate 4323 to reset to the initial state, then controls the supporting seat 4321 of the shear type automatic clamping part 432 to fall and reset to the initial state, then controls the supporting bottom frame 431 of the film pulling automatic tail cutting device 43 to reversely slide to the rear section of a sliding stroke or the front section of the sliding stroke, and the end of the packaging film is separated from the shear type automatic clamping part 432 and is wrapped in the packaging film in the continuous rotation process of the rocker 412; when the rocker arm 412 pulls the packaging film through the film frame 413 so that the packaging film is wound for at least the first circle, the film-pulling packaging controller controls the roller rotation driving motor of the lifting roller 421 to start, the lifting roller 421 drives the first roll paper to rotate, the rotation speed of the lifting roller 421 can be controlled by matching with the rotation speed of the rocker arm 412, the step distance that the width size of the first roll paper is smaller than that of the packaging film after the packaging film is wound around the roll paper for one circle is realized, and the film-pulling packaging of the outer surface of the whole first roll paper comprising the end surfaces of the two first roll papers can be completed after the first roll paper rotates for one circle;
after the first roll paper is subjected to stretch film packaging on the whole outer surface, the stretch film packaging controller firstly controls a rotary driving motor of the rocker arm type stretch film machine 41 and a roller rotary driving motor of the lifting roller 421 to stop operating simultaneously, then controls a supporting seat 4321 of the scissor type automatic clamping part 432 to rise, the rocker arm 412 gradually reduces the speed and stops rotating under the action of inertia, meanwhile, the packaging film is attached to a fixed clamping plate 4322 of the scissor type automatic clamping part 432 under the traction action of a film frame 413, then the stretch film packaging controller controls a swinging driving part 4324 to operate so that the swinging clamping plate 4323 and the fixed clamping plate 4322 are in a closed clamping state, and the packaging film is positioned and clamped on the scissor type automatic clamping part 432; then the film drawing packaging controller controls the lifting frame 4331 of the film drawing automatic tail cutting part 433 to lift up, controls the pushing vertical frame 4332 to extend out in the direction close to the first roll paper, controls the packaging film close to the end part of the first roll paper to be pressed on the outer surface of the first roll paper by the pressing wheel 4334 on the arc pressing plate 4333, controls the supporting bottom frame 431 of the film drawing automatic tail cutting device 43 to slide forward to set a step pitch, controls the pressing wheel 4334 to roll in the forward sliding process of the supporting bottom frame 431, and controls the packaging film clamped on the shearing type automatic clamping part 432 to be adhered on the film drawing cutting edge 4335 under the rolling pressure of the pressing wheel 4334 and the pulling force of the arc pressing plate 4333 and to be cut by the film cutting edge 4335 under the pulling force, so as to finish the automatic tail cutting of the packaging film;
then the film-drawing packaging controller controls the pushing vertical frame 4332 to retract reversely to a set step pitch to make the pressing wheel 4334 separate from the outer surface of the first roll paper, controls the main pressing and pasting roller 4342 to extend out and abut against the outer surface of the first roll paper, the end part of the adhesive tape lapped on the main pressing and pasting roller 4342 is pressed and pasted on the cut tail packaging film by the main pressing and pasting roller 4342, then the film-drawing packaging controller firstly controls and starts a roller rotation driving motor of the lifting roller 421, then controls the auxiliary pressure-connecting pasting roller 4345 to extend out and abut against the outer surface of the first roll paper, and then controls the main pressure-connecting pasting roller 4342 to retract into a set step pitch reversely to make the main pressure-connecting pasting roller 4342 separate from the outer surface of the first roll paper, during the rotation process of the first roll paper, the adhesive tape is rolled and stuck on the outer surface of the first roll paper through the auxiliary pressure sticking roller 4345; after the first roll paper rotates for at least one circle, the film-drawing packaging controller firstly controls a roller rotation driving motor for closing the lifting roller 421 and then controls the adhesive tape cutting edge 4346 to extend to a set distance, the adhesive tape is cut by the extending adhesive tape cutting edge 4346, and the film-drawing packaging controller controls the main pressure welding pasting roller 4342, the auxiliary pressure welding pasting roller 4345 and the adhesive tape cutting edge 4346 to reset to finish the automatic pasting of the adhesive tape; finally, the film drawing packaging controller sequentially controls the pushing vertical frame 4332 and the lifting frame 4331 of the film drawing automatic tail cutting part 433 to reset to an initial state, controls the supporting bottom frame 431 of the film drawing automatic tail cutting device 43 to reset to the initial state for standby, and finally controls the lifting roller 421 to fall and reset to the initial state, so that the whole film drawing packaging process of the first roll of paper is completed;
outputting and secondary automatic printing and labeling: the roll paper conveying controller controls the roll paper input section, the roll paper weighing section, the roll paper film-drawing packaging section and the roll paper output section of the roll paper conveying unit 1 to synchronously act to enable the front supporting roll wheel and/or the rear supporting roll wheel to drive the conveying belt to convey forwards, and after a first roll paper enters the roll paper output section, a subsequent second roll paper enters the roll paper film-drawing packaging section and a subsequent third roll paper enters the roll paper weighing section, the roll paper conveying controller controls the roll paper input section, the roll paper weighing section, the roll paper film-drawing packaging section and the roll paper output section to synchronously stop conveying for standby; when the second roll paper is subjected to film drawing packaging and the third roll paper is subjected to one-time automatic printing and labeling, the label automatic printing and labeling controller prints and outputs the relevant specification data such as the gram weight, the grade, the core diameter and the like and the weight data of the first roll paper through the automatic printing mark discharging machine 31 of the label printing and labeling part of the roll paper output section, then the label automatic printing and labeling controller firstly controls the air passage control valve of the label negative pressure grabbing device of the label printing and labeling part of the roll paper output section to be opened and then controls the coordinate driving mechanism of the label automatic labeling mechanical arm 32 of the label printing and labeling part of the roll paper output section to act so that the label automatic labeling mechanical arm 33 of the label printing and labeling part of the roll paper output section moves to perform negative pressure adsorption and grabbing on the back adhesive label, and after the back adhesive label is grabbed, the label automatic printing and labeling controller controls the coordinate driving of the label automatic labeling mechanical arm 32 of the label printing and labeling part of the roll paper output section label printing and labeling part to perform negative pressure adsorption and grabbing The automatic label pasting mechanical arm 33 moves to a set labeling position of the first roll paper by adsorbing the back adhesive label coordinate through the action of the motive mechanism to perform labeling, after the labeling is completed, the automatic label printing and pasting controller controls the air path control valve of the label negative pressure gripping device at the label printing and pasting part of the roll paper output section to be closed, and then controls the coordinate driving mechanism of the automatic label pasting mechanical arm 32 at the label printing and pasting part of the roll paper output section to move to reset, so that the secondary automatic printing and labeling of the first roll paper is completed; after the first roll paper is subjected to secondary automatic printing and labeling, the central controller can independently control the roller driving motor of the roll paper output section to act so as to output the first roll paper;
and the continuous packaging operation of the batch roll paper is realized by analogy.
Since the web immediately after the production generally has a relatively high temperature, in order to facilitate the perforation of the core end portion of the web after the completion of the stretch film wrapping for heat dissipation, the label automatic pasting robot 32 of the web output stage label printing and pasting portion of the label automatic printing and pasting unit 3 includes an X coordinate driving mechanism moving along the horizontal left-right direction coordinate, a Y coordinate driving mechanism moving along the horizontal front-back direction coordinate, and a Z coordinate driving mechanism moving along the vertical up-down direction coordinate, the label automatic pasting robot 33 of the web output stage label printing and pasting portion is mounted on the end section of the label automatic pasting robot 32 by a C coordinate rotation driving assembly rotating along the Z coordinate axis as the rotation center, as shown in fig. 4, the label automatic pasting robot 33 of the web output stage label printing and pasting portion is further provided with a perforation device 34 through a perforation support frame, the punching device 34 comprises a pressing plate 341 and a punching shaft 342 which are installed on a punching support frame, the pressing plate 341 comprises a vertically arranged pressing surface, a punching shaft access hole penetrating through the pressing surface is formed in the vertically arranged pressing surface, the horizontally and telescopically arranged punching shaft 342 is installed on the punching support frame through a punching telescopic control component, the punching shaft 342 and the punching shaft access hole of the pressing plate 341 are coaxially arranged in a sliding fit manner, the punching telescopic control component can adopt a telescopic control structure such as a hydraulic cylinder, an air cylinder or an electric cylinder structure, a cutting edge protruding out of the end surface is arranged on the edge position of the end surface of the extending end of the punching shaft 342, the cutting edges are uniformly distributed along the circumferential direction of the punching shaft 342 and are in an annular structure, and the cutting edge can be in an annular integral edge structure or in a split edge structure with a plurality of sharp edges surrounding in an annular shape; the automatic label printing and pasting electric control device further comprises an automatic perforation control loop, and the automatic label printing and pasting controller is respectively and electrically connected with a C coordinate rotation driving assembly of the automatic label pasting mechanical arm 33 of the label printing and pasting part of the roll paper output section and a perforation telescopic control part of the perforation shaft 342. After the roll paper is subjected to secondary automatic printing and labeling, the automatic label printing and pasting controller starts an automatic perforation control loop, controls the coordinate driving mechanism of the automatic label pasting mechanical arm 32 and the coordinate rotation driving assembly of the automatic label pasting mechanical arm 33 to act so that the perforation shaft 342 of the perforation device 34 moves to be opposite to and close to the end position of the paper core of the roll paper in a coordinate manner, when the pressing surface of the pressing plate 341 abuts against the end of the paper core of the roll paper, the packaging film outside the end of the paper core is positioned and pressed on the end of the paper core, then the automatic label printing and pasting controller controls the perforation expansion control component to move so that the perforation shaft 342 extends out from the perforation shaft inlet and outlet hole of the pressing plate 341, and in the process of extending the perforation shaft 342 out, the packaging film outside the end part of the paper core is cut by the annular structure cutting edge of the extending end of the perforating shaft 342, and automatic perforation is completed after the perforating telescopic control part is reset. The positions of the front end and the rear end of the paper core can be perforated to achieve a better heat dissipation effect.
In order to facilitate taking out the cut packaging film waste from the paper core after automatic perforation, as shown in fig. 5, the perforated shaft 342 is provided with a through groove which runs through the perforated shaft 342 along the radial direction, and the through groove is in a long circular groove structure along the axial direction of the perforated shaft 342, the fixed axis position of the perforated shaft 342 is provided with a piercing rod 343 which runs through the end face of the extending end of the through groove and the perforated shaft 342, the tip cone structure end of the piercing rod 343 extends out of the end face of the extending end of the perforated shaft 342, and the protrusion size of the tip cone structure end protruding out of the end face is larger than the protrusion size of the cutting edge protruding out of the end face, the end rod body of the piercing rod 343 is further provided with a clamping groove or an annular groove which is arranged along the radial direction, the outer part of the piercing rod 343 is slidably matched and sleeved with a tip sleeve 344, the tip sleeve 344 is mounted on the perforated support frame through a tip sleeve telescopic control part, The top sleeve 344 is arranged through the end face of the extending end of the perforated shaft 342 in a sliding fit mode, and the top sleeve expansion control component is electrically connected with the automatic label printing and pasting controller; as shown in fig. 3, a packaging film waste collection bin 345 is also positioned on the floor adjacent the label automated bonding robot 32. In the automatic perforation process, after the pressure contact surface of the pressure plate 341 abuts against the end part of the paper core of the roll paper, the perforation telescopic control component acts to enable the perforation shaft 342 to extend out from the perforation shaft inlet and outlet hole of the pressure plate 341, the end part of the pointed cone structure of the puncture rod 343 firstly punctures the packaging film outside the end part of the paper core, under the elastic action of the packaging film, the packaging film is clamped on the clamping groove or the annular groove on the rod body at the end part of the puncture rod 343 through the puncture hole, after the cutting edge of the annular structure is cut, the cut packaging film waste is remained on the rod body at the end part of the puncture rod 343, then the automatic label printing and pasting controller firstly controls the coordinate driving mechanism of the automatic label pasting mechanical arm 32 and the coordinate rotating driving assembly of the automatic label pasting mechanical arm 33 to act to enable the perforation shaft 342 coordinate of the perforation device 34 to move to face and press close to the set position of the packaging film waste collecting barrel 345, and then controls the extension telescopic control component to extend out to enable the top sleeve 344 to eject out, the packaging film waste remaining on the rod body at the end part of the piercing rod 343 is ejected out of the piercing rod 343 by the ejector sleeve 344 and falls into the packaging film waste collecting barrel 345, so that the packaging film waste is taken out of the paper core and collected.
In order to know and print the exact length data of the web on the label, as shown in fig. 2, the web weighing segment label printing and pasting part of the automatic label printing and pasting unit 3 further comprises a web detection device 35, the web detection device 35 comprises two web end face distance detection mechanisms arranged in a front-back opposite manner at intervals corresponding to the web weighing segment of the web conveying unit 1, and the web end face distance detection mechanism comprises a web end face distance sensor; the weighing electric control device or the label automatic printing and pasting electric control device further comprises a roll paper end face distance detection loop, and the automatic weighing controller or the label automatic printing and pasting controller is electrically connected with the roll paper end face distance sensor. In the automatic weighing process, the automatic weighing controller or the label automatic printing and pasting controller firstly sums the roll paper end face distance data fed back by the two roll paper end face distance sensors, and then calculates the difference between the sum data and the distance data between the two roll paper end face distance sensors, the difference is the exact length data of the roll paper, the automatic weighing controller sends the exact length data of the roll paper and the weight data of the roll paper to the central controller together, and the central controller can print the exact length data of the roll paper on the label through the label automatic printing and pasting controller.
In order to realize perforating device 34's accurate positioning, as the utility model discloses a further improvement scheme is equipped with distance measuring sensor on perforating device 34's the perforation support frame, and distance measuring sensor prints the controller electricity with the sign is automatic and is connected, and the sign prints the position of pasting controller accessible distance measuring sensor's feedback control perforating device 34 automatically.
In order to realize perforating device 34's accurate positioning, as the utility model discloses a further improvement scheme is equipped with the mode identification sensor on perforating device 34's the perforation support frame, and the automatic electrically controlled device that pastes of printing of sign still includes mode identification and judges the return circuit, and the automatic controller that pastes of printing of sign is connected with the mode identification sensor electricity. The automatic label printing and pasting controller can compare the image fed back by the pattern recognition sensor with the image built in the program through the pattern recognition judgment loop and calculate a deviation value, and then the automatic label printing and pasting controller controls the coordinate driving mechanisms of the automatic label pasting mechanical arm 32 and the automatic label pasting mechanical arm 33 to move and correct the coordinates according to the deviation value, so that the more accurate position positioning of the perforating device 34 can be realized.
Claims (5)
1. A perforating device for packaging a rolled paper stretch film is characterized in that the perforating device (34) comprises a pressing plate (341) and a perforating shaft (342) which are arranged on a perforating support frame;
the pressing plate (341) comprises a vertically arranged pressing surface, and a perforated shaft access hole penetrating through the pressing surface is formed in the vertically arranged pressing surface;
the perforation shaft (342) horizontally stretches, the perforation shaft (342) is installed on the perforation support frame through the perforation stretching control component, the perforation shaft (342) and the perforation shaft access hole of the pressure plate (341) are coaxially arranged in a sliding fit manner, the edge position of the end surface of the extending end of the perforation shaft (342) is provided with a cutting blade protruding out of the end surface, and the cutting blade is of an annular structure along the circumferential direction of the perforation shaft (342).
2. The perforating device for stretch-wrap wrapping of paper webs as claimed in claim 1, characterized in that the perforation shaft (342) is provided with a through slot passing through the perforation shaft (342) in a radial direction, and the through slot is in a long slot structure along an axial direction of the perforation shaft (342), a piercing rod (343) passing through the through slot and an end face of a protruding end of the perforation shaft (342) is fixedly arranged at an axial position of the perforation shaft (342), an end of a pointed cone structure of the piercing rod (343) extends out of the end face of the protruding end of the perforation shaft (342), and a protruding dimension of the end of the pointed cone structure protruding out of the end face is larger than a protruding dimension of the cutting edge protruding out of the end face, a clamping slot or an annular groove arranged in the radial direction is further arranged on an end rod body of the piercing rod (343), a tip sleeve (344) is slidably fitted and mounted on an outer portion of the piercing rod (343), and the tip sleeve (344) is mounted on the perforation support frame by a tip sleeve expansion control member, And the top sleeve (344) is arranged by sliding fit to penetrate through the end surface of the extending end of the perforated shaft (342).
3. The perforating device for stretch-wrap wrapping of a web as recited in claim 2, wherein the perforation expansion/contraction control means of the perforation shaft (342) and the top cover expansion/contraction control means of the top cover (344) are cylinder structures arranged in parallel.
4. Perforating device for stretch-wrap wrapping of paper webs, as claimed in claim 1, 2 or 3, characterized in that the perforating support frame of the perforating device (34) is provided with a distance sensor.
5. Perforating device for web-fed stretch-film packages according to claim 1, 2 or 3, characterized in that a pattern recognition sensor is provided on the perforation support frame of the perforating device (34).
Priority Applications (1)
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CN202022863404.7U CN214325561U (en) | 2020-12-03 | 2020-12-03 | Perforating device for roll paper stretch film packaging |
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CN202022863404.7U CN214325561U (en) | 2020-12-03 | 2020-12-03 | Perforating device for roll paper stretch film packaging |
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