CN113320784A - Automatic film removing method - Google Patents
Automatic film removing method Download PDFInfo
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- CN113320784A CN113320784A CN202011560413.7A CN202011560413A CN113320784A CN 113320784 A CN113320784 A CN 113320784A CN 202011560413 A CN202011560413 A CN 202011560413A CN 113320784 A CN113320784 A CN 113320784A
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- film
- driving unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/912—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Abstract
The invention provides an automatic film removing method, which is characterized in that the plastic film of a packaging bottle is removed by conveying a whole box of materials, positioning the materials, cutting the film, removing an upper film, moving the bottle and removing a lower film, and the problem of material adhesion at the corner of the packaging material is solved by cutting the plastic film along the edge line; the bottle moving procedure is utilized to move the whole row of bottles onto the conveying belt in sequence, so that the technical problem that the bottles are overturned or damaged due to the fact that the whole tray of bottles is pushed in is avoided; the automatic production is realized by taking away the upper film and the lower film by utilizing the sucking disc arranged on the positioning piece.
Description
Technical Field
The invention relates to the field of bottle dismantling and packaging machinery, in particular to an automatic film removing method.
Background
As shown in fig. 1, most of the existing bottles have a bottleneck groove, and the bottles need to be protected and packaged for transportation, as shown in fig. 2, the bottles are generally arranged in an array in a paper tray and are subjected to plastic package fixation by using a plastic film, and when the bottles need to be used in a production line, each box is packaged and removed and put into the production line for use.
The Chinese invention patent CN 108341111A discloses an automatic film-removing and bottle-feeding machine, which comprises a machine body, wherein a box film removing device, a box body overturning device connected with the box film removing device and a box body separating device connected with the box body overturning device are sequentially arranged on the machine body, and a box body transferring device capable of sequentially conveying box bodies from the box film removing device to the box body separating device is arranged on the machine body; the box film removing device comprises a box film cutting mechanism and a box film removing mechanism, and through the automatic film removing and bottle feeding machine, the outer box and the packaging film of the whole box of bottles can be automatically removed, the bottles can be neatly pushed to a feeding table of next process equipment, and the bottles can be automatically butted, transferred and conveyed to the next process at high speed. Therefore, production management automation is realized, manual membrane removal and bottle feeding are replaced, finished product damage is greatly reduced, the risk of final product quality caused by incomplete membrane opening is reduced, production quality and efficiency are improved, labor intensity is greatly reduced, transfer space is reduced, and the working environment is orderly and safe.
However, in the technical scheme, when the package is cut, the corner of the package is firmly fixed with the bottle body, the package is serious, and when the upper film is taken out, the bottle body at the corner is easily taken away or poured, so that the bottle body is difficult to circulate, and the use of the next process is influenced; simultaneously this case realizes the striping and goes the box through the mode of upset, and the easy slope of the in-process bottle leads to colliding with the quality problems such as body damage of leading to of upset.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic film removing method, which realizes the removal of a plastic film of a packaging bottle by conveying a whole box of materials, positioning the materials, cutting the film, removing an upper film, moving the bottle and removing a lower film, and solves the problem of material sticking at the corner of the packaging material by cutting the plastic film along an edge line; the bottle moving procedure is utilized to move the whole row of bottles onto the conveying belt in sequence, so that the technical problem that the bottles are overturned or damaged due to the fact that the whole tray of bottles is pushed in is avoided; the automatic production is realized by taking away the upper film and the lower film by utilizing the sucking disc arranged on the positioning piece.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic stripping method is characterized by comprising the following steps:
conveying the whole box of materials, namely conveying the whole box of materials to the lower part of a film cutting unit by using a belt conveyor, and sequentially conveying the whole box of materials in the same direction by using the guiding action of a guide plate in the conveying process;
positioning the materials, namely forming an L-shaped right positioning frame by a bottle taking fork and a membrane component of a right positioning piece, pushing the whole box of materials to be attached to the L-shaped right positioning frame by the L-shaped front end of a left positioning piece, and positioning the materials; opening the vacuum machine at the moment, and enabling the adsorption holes on the positioning frame to adsorb the bottom end of the whole box of materials for reinforcement; the first driving unit drives the cutter support to move downwards to a process height, and the fifth driving unit drives the top film pressing unit to move downwards to press the top end of the whole box of materials, so that simultaneous up-and-down adsorption and pressing are realized;
thirdly, cutting the film, namely driving a cutting part to move to the bottom end of the cutter to be attached to the upper end of the positioning frame by utilizing a third driving unit in the film cutting unit; the fourth driving unit drives the cutter seat to move forwards, so that the cutter can prick the packing materials along the corners of the whole box of materials; the third driving unit drives the cutting part to move upwards to finish vertical cutting; when the cutting edge of the cutter moves to the top end of the whole box of materials, the guide piece is matched with the reversing groove, and the direction of the cutter is changed from vertical to horizontal; the four groups of second driving units synchronously drive the four groups of cutting parts to move in the horizontal direction so as to synchronously cut four sides in the horizontal direction;
removing the upper membrane, wherein the first driving unit, the third driving unit and the fourth driving unit reset respectively, the fifth driving unit drives the top membrane pressing unit to move upwards to adsorb the upper membrane, the left positioning assembly moves forwards to enable the membrane taking assembly on the left positioning piece to be close to the bottom end of the top membrane pressing unit, the sucking disc a sucks the bottom end of the upper membrane, the sucking disc c cuts off the air source, the left positioning assembly moves backwards to enable the upper membrane to be pulled backwards, and when the upper membrane reaches a specified position, the sucking disc a is ventilated to put the upper membrane into the upper membrane recycling box;
moving the bottles, wherein the right positioning piece is obliquely arranged on the inner side of the front end of the fork leg to guide the bottles to sequentially enter the bottle taking fork in the forward movement process under the action of the ninth driving unit, and when the front end of the bottle taking fork exceeds the last bottle, the right positioning piece slides to the step to lift the whole row of bottles; the right positioning piece moves left and right under the action of the eighth driving unit to sequentially convey the bottles in the whole row to the conveying belt and input the bottles to the next process;
and step six, removing the lower film, wherein after all the bottles are moved in the step five, the right positioning piece moves forwards under the action of the ninth driving unit to enable the sucking disc b for taking down the film component to adsorb the lower film, the vacuum machine is closed at the moment, the adsorption effect of the adsorption hole is cancelled, the right positioning piece moves backwards to drive the lower film, and the lower film is thrown into the lower film recovery box to complete the removal of the lower film.
As an improvement, the three-step middle film cutting unit is arranged above the positioning unit and comprises a cutter bracket connected with the positioning frame through a first driving unit, four groups of cutting assemblies are arranged around the cutter bracket, and each of the four groups of cutting assemblies comprises a second driving unit arranged on one side of the cutter bracket, a vertical guide rod connected with the second driving unit, a third driving unit arranged on the vertical guide rod, and a cutting part connected with the output end of the third driving unit and slidably arranged on the vertical guide rod; the cutting part comprises a fourth driving unit in sliding connection with the vertical guide rod, a cutter seat connected with the output end of the fourth driving unit, a cutter rotatably arranged in the cutter seat and a torsion spring sleeved on the cutter; the top end of the cutter is provided with a guide sheet; a reversing groove matched with the shape of the cutter is arranged on the vertical guide rod at a position corresponding to the guide sheet; one end of the torsion spring is connected with the guide sheet, and the other end of the torsion spring is connected with the cutter seat.
As an improvement, the air inlets and the air outlets of the four groups of second driving units in the third step are connected end to end, so that the four groups of cutting parts perform synchronous cutting.
As an improvement, four guide rods are arranged at the top of the cutter bracket in the second step; the four guide rods penetrate through the top end of the positioning frame.
As an improvement, the front end of the left positioning piece in the second step is arranged in an L shape, wherein a film taking assembly is arranged on one side L parallel to the conveying direction; the membrane taking-up assembly comprises a plurality of suckers a with upward openings, wherein the suckers a are uniformly distributed along one side of the L shape.
As an improvement, a bottle taking fork is arranged at the front end of the right positioning piece in the second step in a U shape, and a taking-down membrane assembly is arranged perpendicular to the bottle taking fork; the taking-down membrane component comprises a plurality of suckers b which are uniformly distributed and provided with downward openings.
As an improvement, the inner sides of the front ends of the two fork legs of the bottle taking fork in the step five are obliquely arranged, and the maximum width A of the outer side of the bottle taking fork is not more than the maximum width B of the bottle body; the minimum width C of the inner side of the bottle taking fork is not less than the maximum width D of the bottle neck.
And as an improvement, the step inclined transition in the step five is arranged at the front end of the top of the right positioning sliding plate.
As an improvement, the top film pressing unit in the second step is connected with the bottom surface of the cutter bracket through a fifth driving unit; the overall dimension of the top film pressing unit is matched with the overall dimension of a product to be subjected to film removal; the top film pressing unit comprises a pressing top plate and a plurality of suckers c uniformly distributed on the bottom surface of the pressing top plate; the top film pressing unit is internally provided with a hollow structure a, and a plurality of suckers c are communicated with the hollow structure a; the top film pressing unit is communicated with the vacuum machine through a pipeline.
As an improvement, in the belt conveyor in the first step, a plurality of blocking pieces are uniformly distributed along the circumferential direction of the conveyor belt, the top ends of the blocking pieces are in a tooth-shaped structure, and when the blocking pieces are transmitted to the tail end of the belt conveyor, the blocking pieces give a thrust to the whole box of material, so that the whole box of material is transmitted to the lower side of the film cutting unit.
The invention also aims to overcome the defects and provide an automatic film removing machine, wherein a third driving unit drives a cutting knife in a cutting part to move upwards from the bottom to cut a packaged object in the vertical direction, when the packaged object is cut to the top end of the packaged object, a guide sheet arranged at the top end of the cutting knife is matched with a reversing groove on a cutting knife bracket to enable the cutting knife to be changed into the horizontal direction, four groups of fourth driving units are used for driving a cutting knife seat to realize synchronous horizontal cutting in four directions, so that the top separation and the side separation of the packaged object are completed, meanwhile, a top film pressing unit always presses the top end of the packaged object in the cutting process, and presses a part of the packaged object which is softer, such as a plastic film, so that the cutting quality is ensured.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic film removing machine is characterized by comprising:
a feeding unit, a feeding unit and a control unit,
the positioning unit is arranged at the tail end of the feeding unit and comprises a positioning frame, a left positioning assembly and a right positioning assembly, wherein the left positioning assembly and the right positioning assembly are respectively arranged on the left side and the right side of the positioning frame; the left positioning assembly comprises a left positioning sliding plate arranged on one side of the positioning frame in a sliding manner and a left positioning piece arranged above the left positioning sliding plate in a sliding manner; the right positioning assembly comprises a right positioning sliding plate arranged on the other side of the positioning frame in a sliding manner and a right positioning piece arranged above the right positioning sliding plate in a sliding manner;
the film cutting unit is arranged above the positioning unit and comprises a cutter support connected with the positioning frame through a first driving unit, four groups of cutting assemblies are arranged on the periphery of the cutter support, each of the four groups of cutting assemblies comprises a second driving unit arranged on one side of the cutter support, a vertical guide rod connected with the second driving unit, a third driving unit arranged on the vertical guide rod and a cutting part connected with the output end of the third driving unit and slidably arranged on the vertical guide rod; the cutting part comprises a fourth driving unit in sliding connection with the vertical guide rod, a cutter seat connected with the output end of the fourth driving unit, a cutter rotatably arranged in the cutter seat and a torsion spring sleeved on the cutter; the top end of the cutter is provided with a guide sheet; a reversing groove matched with the shape of the cutter is arranged on the vertical guide rod at a position corresponding to the guide sheet; one end of the torsion spring is connected with the guide sheet, and the other end of the torsion spring is connected with the cutter seat.
As an improvement, the front end of the left positioning piece is arranged in an L shape, wherein a film taking assembly is arranged on one side L parallel to the conveying direction; the membrane taking-up assembly comprises a plurality of suckers a with upward openings, wherein the suckers a are uniformly distributed along one side of the L shape.
As an improvement, the front end of the right positioning piece is provided with a bottle taking fork in a U shape, and a taking-down membrane component is arranged perpendicular to the bottle taking fork; the taking-down membrane component comprises a plurality of suckers b which are uniformly distributed and provided with downward openings.
As an improvement, the inner sides of the front ends of the two fork legs of the bottle taking fork are obliquely arranged, and the maximum width A of the outer side of the bottle taking fork is not more than the maximum width B of the bottle body; the minimum width C of the inner side of the bottle taking fork is not less than the maximum width D of the bottle neck.
As an improvement, the front end of the top of the right positioning sliding plate is transitionally provided with a step; when the front end of the bottle taking fork exceeds the last bottle in the advancing process of the bottle taking fork, the right positioning piece enters the upper part of the step, so that the horizontal height of the bottle taking fork is increased, and meanwhile, the bottle is lifted.
As an improvement, the cutting knife further comprises a top film pressing unit arranged below the cutting knife bracket, and the top film pressing unit is connected with the bottom surface of the cutting knife bracket through a fifth driving unit; the overall dimension of the top film pressing unit is matched with the overall dimension of a product to be subjected to film removal; the top film pressing unit comprises a pressing top plate and a plurality of suckers c uniformly distributed on the bottom surface of the pressing top plate; the top film pressing unit is internally provided with a hollow structure a, and a plurality of suckers c are communicated with the hollow structure a; the top film pressing unit is communicated with the vacuum machine through a pipeline.
As an improvement, the air inlets and the air outlets of the four groups of second driving units are connected end to end.
As an improvement, the feeding unit is a belt conveyor, a plurality of baffle plates are uniformly distributed along the circumferential direction of a conveying belt of the belt conveyor, the top ends of the baffle plates are of a tooth-shaped structure, and guide plates connected with the side wall of the belt conveyor are arranged above the baffle plates; the front end of the guide plate is provided with a guide edge.
As an improvement, four guide rods are arranged at the top of the cutter support; the four guide rods penetrate through the top end of the positioning frame.
As an improvement, the working surface of the positioning frame is of a hollow structure b, a plurality of adsorption holes are uniformly distributed on the working surface, and the hollow structure b is connected with a vacuum machine through a pipeline.
The invention has the beneficial effects that:
(1) according to the bottle cutting machine, the cutter in the cutting part is driven to move upwards from the bottom by the third driving unit, so that a package is cut in the vertical direction, when the package is cut to the top end of the package, the guide piece arranged at the top end of the cutter is matched with the reversing groove on the cutter support, so that the cutter is changed into the horizontal direction, four groups of fourth driving units are used for driving the cutter seat to realize synchronous horizontal cutting in four directions, the top separation and the side separation of the package are completed, the problem that a bottle is easy to take away at the corner of the package is solved, meanwhile, the top film pressing unit always presses the top end of the package in the cutting process, and presses a softer package such as a plastic film, so that the cutting quality is ensured;
(2) according to the invention, the whole box of bottles is conveyed to the lower part of the film cutting unit through the feeding unit, and the direction of the packaging box is adjusted for the first time by utilizing the arc-shaped guide plate, so that the directions of the packaging box are kept consistent when the bottles are conveyed to the lower part of the film cutting unit; the packaging box is pushed to the position right below the film cutting unit by using the L-shaped front fork of the left positioning piece, and meanwhile, the right positioning piece is used for positioning, so that the accurate positioning of the packaging box is ensured;
(3) according to the invention, the top of the cut packing material is adsorbed and lifted through the top film pressing unit, the top packing material is sucked by the sucking disc a in the upper film taking component, and the top packing material is thrown into the top packing material recovery box when the left positioning piece withdraws;
(4) according to the invention, the bottles in an array are moved onto the discharging conveying belt one by one through the bottle taking forks arranged in a U shape on the right positioning piece, so that the bottles are transferred, and after all the bottles are transferred, a bottom packing material is sucked into the packing material storage box by utilizing the taking-down membrane assembly arranged on the right positioning piece;
(5) according to the bottle lifting device, the top of the right positioning sliding plate is obliquely arranged, so that the horizontal height of the bottle taking fork is gradually increased in the advancing process of the bottle taking fork, bottles are sequentially lifted, and the bottles are convenient to transport;
in conclusion, the invention has the advantages of good package dismantling quality, no toppling over of the bottles at the corners of the packaged objects, high dismantling efficiency, realization of dismantling the packages without turning over, and the like.
Drawings
FIG. 1 is a schematic view of a prior art bottle construction;
FIG. 2 is a schematic view of a prior art bottle package;
FIG. 3 is a schematic flow chart of a stripping method according to the present invention;
FIG. 4 is a schematic view of the overall structure of the present invention;
FIG. 5 is a schematic view of a positioning frame according to the present invention;
FIG. 6 is a schematic view of a positioning unit according to the present invention;
FIG. 7 is a schematic view of the left positioning assembly of the present invention;
FIG. 8 is a schematic view of a left positioning member according to the present invention;
FIG. 9 is a schematic view of a right positioning assembly according to the present invention;
FIG. 10 is a schematic view of a right positioning member according to the present invention;
FIG. 11 is a top view of the right positioning member of the present invention;
FIG. 12 is a schematic structural view of a film cutting unit according to the present invention;
FIG. 13 is a schematic view of a cutting assembly according to the present invention;
FIG. 14 is a schematic view of a cutting portion according to the present invention;
FIG. 15 is a schematic view of the right positioning slide of the present invention;
FIG. 16 is a schematic view of a second driving unit according to the present invention;
FIG. 17 is a schematic structural view of a top film pressing unit according to the present invention;
FIG. 18 is a schematic view of the present invention in a state of conveying a whole box of material;
FIG. 19 is a schematic view of the vertical cutting position of the cutter of the present invention;
FIG. 20 is a schematic view of the cutter of the present invention in a horizontal cutting state;
FIG. 21 is a schematic view of the present invention after the cutting of the entire box of material packages has been completed;
FIG. 22 is a first schematic view illustrating a bottle picking and forking state of the present invention;
FIG. 23 is a second schematic view illustrating a bottle picking and forking state of the present invention;
FIG. 24 is a schematic view of the bottle taking fork of the present invention in a position to deliver bottles.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 3, an automatic stripping method includes the following steps:
conveying the whole box of materials, namely conveying the whole box of materials 100 to the lower part of the film cutting unit 3 by using a belt conveyor as shown in fig. 18, and sequentially conveying the whole box of materials 100 in the same direction by using the guiding function of the guide plate 13 in the conveying process;
positioning the materials, namely forming an L-shaped right positioning frame by a bottle taking fork 2321 of a right positioning piece 232 and a taken-down membrane assembly 2322, and pushing the whole box of materials 100 to be attached to the L-shaped right positioning frame by the L-shaped front end of a left positioning piece 222 to complete the positioning of the materials; at this time, the vacuum machine 5 is opened, so that the adsorption holes 212 on the positioning frame 21 adsorb the bottom end of the whole box of materials 100 for reinforcement; the first driving unit 31 drives the cutter support 32 to move downwards to the process height, and the fifth driving unit 41 drives the top film pressing unit 4 to move downwards to press the top end of the whole box of materials 100, so that simultaneous up-and-down adsorption and pressing are realized;
step three, cutting the film, as shown in fig. 19-21, driving the cutting part 334 to move to the bottom end of the cutting knife 3343 to be attached to the upper end of the positioning frame 21 by using the third driving unit 333 in the film cutting unit 3; the fourth driving unit 3341 drives the cutter holder 3342 to move forward, so that the cutter inserts the packing material along the corner of the whole box of material 100; the third driving unit 333 drives the cutting part 334 to move upwards to complete vertical cutting; when the cutting edge of the cutter moves to the top end of the whole box of materials 100, the guide piece 3345 is matched with the reversing groove 322, and the direction of the cutter 3343 is changed from vertical to horizontal; the four groups of second driving units 331 synchronously drive the four groups of cutting parts 334 to move in the horizontal direction, so as to perform four-side synchronous horizontal-direction cutting;
step four, removing the upper membrane, wherein the first driving unit 31, the third driving unit 333 and the fourth driving unit 3341 are respectively reset, meanwhile, the fifth driving unit 41 drives the top membrane pressing unit 4 to move upwards to adsorb the upper membrane, the left positioning assembly 22 moves forwards to enable the upper membrane taking assembly 2221 on the left positioning piece 222 to be close to the bottom end of the top membrane pressing unit 4, the suction cup a22211 sucks the bottom end of the upper membrane, meanwhile, the suction cup c43 cuts off the air source, the left positioning assembly 22 moves backwards to enable the upper membrane to be pulled away backwards, and when the specified position is reached, the suction cup a22211 is ventilated to put the upper membrane into the upper membrane recycling box 213;
step five, moving the bottles, as shown in fig. 22 to 24, in the process that the right positioning member 232 moves forward under the action of the ninth driving unit 234, guiding the bottles by utilizing the inclined arrangement of the inner sides of the front ends of the fork legs, so that the bottles sequentially enter the bottle taking fork 2321, and when the front end of the bottle taking fork 2321 exceeds the last bottle, the right positioning member 232 slides onto the step 2311 to lift the whole row of bottles; the right positioning member 232 moves left and right under the action of the eighth driving unit 233, so that the bottles in the whole row are sequentially conveyed to the conveyor belt 6 and input to the next process;
and step six, removing the lower film, wherein after all the bottles are moved in the step five, the right positioning piece 232 moves forwards under the action of the ninth driving unit 234, so that the sucking disc b23221 of the lower film assembly 2322 adsorbs the lower film, at the moment, the vacuum machine is closed, the adsorption effect of the adsorption hole 212 is cancelled, and the right positioning piece 232 moves backwards to drive the lower film, so that the lower film is thrown into the lower film recovery box 214, and the removal of the lower film is completed.
As an improvement, the three-step middle film cutting unit 3 is arranged above the positioning unit 2, and includes a cutter support 32 connected with the positioning frame 21 through a first driving unit 31, four groups of cutting assemblies 33 are arranged around the cutter support 32, and each of the four groups of cutting assemblies 33 includes a second driving unit 331 arranged on one side of the cutter support 32, a vertical guide rod 332 connected with the second driving unit 331, a third driving unit 333 arranged on the vertical guide rod 332, and a cutting part 334 connected with an output end of the third driving unit 333 and slidably arranged on the vertical guide rod 332; the cutting part 334 comprises a fourth driving unit 3341 slidably connected to the vertical guide rod 332, a cutter holder 3342 connected to an output end of the fourth driving unit 3341, a cutter 3343 rotatably disposed in the cutter holder 3342, and a torsion spring 3344 sleeved on the cutter 3343; the top end of the cutting knife 3343 is provided with a guide piece 3345; a reversing groove 322 matched with the shape of the cutting knife 3343 is formed in the position, corresponding to the guide piece 3345, of the vertical guide rod 332; the torsion spring 3344 has one end connected to the guide piece 3345 and the other end connected to the cutter holder 3342.
As a modification, the air inlets and the air outlets of the four sets of the second driving units 331 in the third step are connected end to end, so that the four sets of the cutting parts 334 perform synchronous cutting.
As an improvement, four guide rods 321 are arranged at the top of the cutter bracket 32 in the second step; the four guide rods 321 penetrate through the top end of the positioning frame 21.
As an improvement, the front end of the left positioning element 222 in the second step is L-shaped, wherein an upper membrane taking assembly 2221 is arranged on one side L parallel to the conveying direction; the membrane taking-up assembly 2221 comprises a plurality of suckers a22211 with upward openings, which are uniformly distributed along one side of the L-shape.
As an improvement, in the second step, a bottle taking fork 2321 is arranged at the front end of the right positioning member 232 in a U shape, and a take-down membrane assembly 2322 is arranged perpendicular to the bottle taking fork 2321; the take-down membrane assembly 2322 comprises a plurality of suction cups b23221 which are uniformly distributed and provided with downward openings.
As an improvement, the inner sides of the front ends of the two fork legs of the bottle taking fork 2321 in the fifth step are obliquely arranged, and the maximum width a of the outer side of the bottle taking fork 2321 is not greater than the maximum width B of the bottle body; the inside minimum width C of the bottle pick 2321 is not less than the maximum width D of the bottle neck.
As a modification, the step 2311 in the fifth step is provided at the top front end of the right positioning sliding plate 231 in an inclined transition manner.
As a modification, the top film pressing unit 4 in the second step is connected with the bottom surface of the cutter holder 32 through a fifth driving unit 41; the overall dimension of the top film pressing unit 4 is matched with the overall dimension of a product to be subjected to film removal; the top film pressing unit 4 comprises a pressing top plate 42 and a plurality of sucking discs c43 uniformly distributed on the bottom surface of the pressing top plate 42; the top film pressing unit 4 is internally provided with a hollow structure a, and a plurality of suckers c43 are communicated with the hollow structure a; the top film pressing unit 4 is communicated with a vacuum machine 5 through a pipeline.
As an improvement, in the belt conveyor in the first step, a plurality of baffle plates 12 are uniformly distributed along the circumferential direction of the conveyor belt 11, the top ends of the baffle plates 12 are in a tooth-shaped structure, and when the materials are conveyed to the tail end of the belt conveyor, the baffle plates 12 give a thrust to the whole box of materials 100, so that the whole box of materials 100 is conveyed to the lower side of the film cutting unit 3.
Example two
As shown in fig. 4, an automatic film removing machine includes:
the feeding unit 1 is used for conveying the whole box of materials 100 filled with bottles to the position below the film cutting unit 3;
the positioning unit 2 is, as shown in fig. 5-11, arranged at the tail end of the feeding unit 1, and includes a positioning frame 21, and a left positioning assembly 22 and a right positioning assembly 23 respectively arranged at the left and right sides of the positioning frame 21; the left positioning assembly 22 comprises a left positioning sliding plate 221 slidably arranged on one side of the positioning frame 21, and a left positioning piece 222 slidably arranged above the left positioning sliding plate 221; the right positioning assembly 23 comprises a right positioning sliding plate 231 slidably disposed on the other side of the positioning frame 21, and a right positioning element 232 slidably disposed above the right positioning sliding plate 231;
a film cutting unit 3, as shown in fig. 12 to 14, wherein the film cutting unit 3 is disposed above the positioning unit 2, and includes a cutter support 32 connected to the positioning frame 21 through a first driving unit 31, four sets of cutting assemblies 33 are disposed around the cutter support 32, and each of the four sets of cutting assemblies 33 includes a second driving unit 331 disposed on one side of the cutter support 32, a vertical guide rod 332 connected to the second driving unit 331, a third driving unit 333 disposed on the vertical guide rod 332, and a cutting portion 334 connected to an output end of the third driving unit 333 and slidably disposed on the vertical guide rod 332; the cutting part 334 comprises a fourth driving unit 3341 slidably connected to the vertical guide rod 332, a cutter holder 3342 connected to an output end of the fourth driving unit 3341, a cutter 3343 rotatably disposed in the cutter holder 3342, and a torsion spring 3344 sleeved on the cutter 3343; the top end of the cutting knife 3343 is provided with a guide piece 3345; a reversing groove 322 matched with the shape of the cutting knife 3343 is formed in the position, corresponding to the guide piece 3345, of the vertical guide rod 332; one end of the torsion spring 3344 is connected with the guide piece 3345, and the other end of the torsion spring 3344 is connected with the cutter holder 3342; the output rod of the fourth driving unit 3341 is provided with a guide block to prevent the output rod from rotating;
in addition, the left positioning assembly 22 further includes a sixth driving unit 223 disposed on one side of the positioning frame 21, the left positioning sliding plate 221 is slidably disposed on the sixth driving unit 223, and a seventh driving unit 224 disposed on one side of the left positioning sliding plate 221, and the left positioning member 222 is connected to an output end of the seventh driving unit 224;
the sixth driving unit 223 includes a slide rail a2231 disposed on the positioning frame 21 and a slider a2232 slidably disposed on the slide rail a 2231; the sliding block a2232 is connected with a rodless cylinder a2233 arranged on the side of the positioning frame 21;
the right positioning assembly 23 further includes an eighth driving unit 233 disposed on the other side of the positioning frame 21, the right positioning sliding plate 231 is slidably disposed on the eighth driving unit 233, and a ninth driving unit 234 disposed on one side of the right positioning sliding plate 231, and the right positioning member 232 is connected to an output end of the ninth driving unit 234;
the eighth driving unit 233 includes a slide rail b2331 disposed on the positioning frame 21 and a slider b2332 slidably disposed on the slide rail b 2331; the sliding block b2332 is connected with a rodless cylinder b2333 arranged on the other side of the positioning frame 21;
it should be noted that the cutting knife 3343 is a trapezoidal structure, wherein in the initial position, the cutting knife 3343 is in a vertical state; the cutting knife with the trapezoidal structure ensures the strength of the cutting knife when the cutting knife is inserted into a package and gradually cuts the package, thereby avoiding the influence on the cutting quality caused by the pulling of the package;
the two sides of the positioning unit 2 are arranged below the left positioning component 22 and provided with an upper film recycling box 213, and the two sides of the positioning unit 2 are arranged below the right positioning component 23 and provided with a lower film recycling box 214.
In this embodiment, as shown in fig. 8, the front end of the left positioning element 222 is L-shaped, wherein an upper membrane taking assembly 2221 is arranged on the L side parallel to the conveying direction; the upper membrane taking component 2221 comprises a plurality of suckers a22211 with upward openings, which are uniformly distributed along one side of the L shape;
air paths are connected with the suction cups a22211 for providing suction.
In addition, as shown in fig. 10, a bottle taking fork 2321 is arranged at the front end of the right positioning member 232 in a U shape, and a take-down membrane assembly 2322 is arranged perpendicular to the bottle taking fork 2321; the take-down membrane assembly 2322 comprises a plurality of suction cups b23221 which are uniformly distributed and provided with downward openings.
As a modification, as shown in fig. 11, the inner sides of the front ends of the two fork legs of the bottle taking fork 2321 are disposed obliquely, and the maximum width a of the outer side of the bottle taking fork 2321 is not greater than the maximum width B of the bottle body; the inner minimum width C of the bottle taking fork 2321 is not less than the maximum width D of the bottle neck;
it should be noted that the width of the bottle taking fork 2321 is smaller than the setting of the bottle body, so that the adjacent bottle is not touched when the bottle is taken, and the adjacent bottle is prevented from being knocked down.
As a modification, as shown in fig. 15, the top front end of the right positioning sliding plate 231 is transitionally provided with a step 2311; when the front end of the bottle taking fork 2321 exceeds the last bottle in the process of advancing, the right positioning piece 232 enters the upper part of the step 2311, so that the horizontal height of the bottle taking fork 2321 is increased, and meanwhile, the bottles are lifted.
In this embodiment, as shown in fig. 17, the top film pressing device further includes a top film pressing unit 4 disposed below the cutter holder 32, and the top film pressing unit 4 is connected to the bottom surface of the cutter holder 32 through a fifth driving unit 41; the overall dimension of the top film pressing unit 4 is matched with the overall dimension of a product to be subjected to film removal; the top film pressing unit 4 comprises a pressing top plate 42 and a plurality of sucking discs c43 uniformly distributed on the bottom surface of the pressing top plate 42; the top film pressing unit 4 is internally provided with a hollow structure a, and a plurality of suckers c43 are communicated with the hollow structure a; the top film pressing unit 4 is communicated with a vacuum machine 5 through a pipeline;
it should be noted that the top film pressing unit 4 presses the packaging film at the top, so that the packaging film is prevented from being deformed due to pulling and being incapable of being completely cut off due to external force during cutting, and meanwhile, after the packaging film is cut, the packaging film is directly adsorbed and taken away, and the production efficiency is improved.
As a modification, as shown in fig. 16, the air inlets and the air outlets of four sets of the second driving units 331 are connected end to end;
it should be noted that the four groups of second driving units 331 are connected end to achieve synchronous action, so as to ensure uniform stress during cutting and improve cutting quality.
Preferably, the feeding unit 1 is a belt conveyor, a plurality of baffle plates 12 are uniformly distributed along the circumferential direction of a conveyor belt 11 of the belt conveyor, the top ends of the baffle plates 12 are in a tooth-shaped structure, and a guide plate 13 connected with the side wall of the belt conveyor is arranged above the baffle plates 12; the front end of the guide plate 13 is provided with a guide edge;
it should be noted that one end of the positioning frame 21 is tangential to the belt conveyor, and a groove matched with the tooth-shaped structure is formed at one end of the positioning frame 21, so as to ensure that the blocking piece 12 smoothly passes through the groove and ensure stable transmission in the material transmission process.
As an improvement, four guide rods 321 are arranged at the top of the cutter bracket 32; the four guide rods 321 penetrate through the top end of the positioning frame 21;
it should be noted that, the setting of guide bar 321 has improved the stability of cutter support 32 up-and-down motion process, improves the degree of accuracy of cutting, avoids the cutter fish tail body.
In this embodiment, the working surface 211 of the positioning frame 21 is a hollow structure b, a plurality of adsorption holes 212 are uniformly distributed on the working surface 211, and the hollow structure b is connected with the vacuum machine 5 through a pipeline.
The embodiment also comprises a conveyor belt 6 for conveying the bottles to the next process, wherein the conveyor belt 6 is arranged at one end of the positioning unit 2, and the upper surface of the conveyor belt is superposed with the upper plane of the positioning unit 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An automatic stripping method is characterized by comprising the following steps:
conveying the whole box of materials, namely conveying the whole box of materials (100) to the lower part of the film cutting unit (3) by using a belt conveyor, and sequentially conveying the whole box of materials (100) in the same direction by using the guiding function of a guide plate (13) in the conveying process;
positioning the materials, namely forming an L-shaped right positioning frame by a bottle taking fork (2321) of a right positioning piece (232) and a taken-down membrane assembly (2322), and pushing the whole box of materials (100) to be attached to the L-shaped right positioning frame by the L-shaped front end of a left positioning piece (222) to complete the positioning of the materials; at the moment, the vacuum machine (5) is opened, so that the bottom end of the whole box of materials (100) is adsorbed by the adsorption holes (212) on the positioning frame (21) for reinforcement; the first driving unit (31) drives the cutter support (32) to move downwards to a process height, and the fifth driving unit (41) drives the top film pressing unit (4) to move downwards to press the top end of the whole box of materials (100) so as to realize simultaneous up-and-down adsorption and pressing;
thirdly, cutting the film, namely driving a cutting part (334) to move to the bottom end of a cutter (3343) to be attached to the upper end of the positioning frame (21) by utilizing a third driving unit (333) in the film cutting unit (3); the fourth driving unit (3341) drives the cutter seat (3342) to move forwards, so that the cutter inserts a packing material along the corner of the whole box of materials (100); the third driving unit (333) drives the cutting part (334) to move upwards to complete vertical cutting; when the cutting edge of the cutter moves to the top end of the whole box of materials (100), the guide piece (3345) is matched with the reversing groove (322), and the direction of the cutter (3343) is changed from vertical to horizontal; the four groups of second driving units (331) synchronously drive the four groups of cutting parts (334) to move in the horizontal direction so as to cut four sides in the horizontal direction synchronously;
removing the upper membrane, respectively resetting the first driving unit (31), the third driving unit (333) and the fourth driving unit (3341), driving the top membrane pressing unit (4) to move upwards to adsorb the upper membrane, driving the left positioning assembly (22) to move forwards to enable the membrane taking assembly (2221) on the left positioning piece (222) to be close to the bottom end of the top membrane pressing unit (4), enabling the suction cup a (22211) to suck the bottom end of the upper membrane, disconnecting the air source of the suction cup c (43), driving the left positioning assembly (22) to move backwards to enable the upper membrane to be pulled backwards, and enabling the suction cup a (22211) to ventilate to put the upper membrane into the upper membrane recycling box (213) when the specified position is reached;
fifthly, moving the bottles, wherein in the process that the right positioning piece (232) moves forwards under the action of the ninth driving unit (234), the bottles enter the bottle taking fork (2321) in sequence by utilizing the inclined arrangement of the inner side of the front end of the fork leg for guiding, and when the front end of the bottle taking fork (2321) exceeds the last bottle, the right positioning piece (232) slides onto the step (2311) to lift the whole row of bottles; the right positioning piece (232) moves left and right under the action of the eighth driving unit (233), so that the bottles in a row are sequentially conveyed to the conveyor belt (6) and input to a next process;
and step six, removing the lower film, wherein after all the bottles are moved in the step five, the right positioning piece (232) moves forwards under the action of the ninth driving unit (234), so that the sucking disc b (23221) of the lower film assembly (2322) is used for sucking the lower film, the vacuum machine is closed at the moment, the sucking action of the sucking hole (212) is cancelled, the right positioning piece (232) moves backwards to drive the lower film, and the lower film is thrown into the lower film recycling box (214) to be removed.
2. The automatic film removing method according to claim 1, wherein the three-step film cutting unit (3) is arranged above the positioning unit (2) and comprises a cutter bracket (32) connected with the positioning frame (21) through a first driving unit (31), four groups of cutting assemblies (33) are arranged around the cutter bracket (32), and each of the four groups of cutting assemblies (33) comprises a second driving unit (331) arranged on one side of the cutter bracket (32), a vertical guide rod (332) connected with the second driving unit (331), a third driving unit (333) arranged on the vertical guide rod (332), and a cutting part (334) connected with an output end of the third driving unit (333) and arranged on the vertical guide rod (332) in a sliding manner; the cutting part (334) comprises a fourth driving unit (3341) connected with the vertical guide rod (332) in a sliding manner, a cutter seat (3342) connected with the output end of the fourth driving unit (3341), a cutter (3343) rotatably arranged in the cutter seat (3342) and a torsion spring (3344) sleeved on the cutter (3343); the top end of the cutting knife (3343) is provided with a guide piece (3345); a reversing groove (322) matched with the shape of the cutting knife (3343) is formed in the position, corresponding to the guide piece (3345), on the vertical guide rod (332); one end of the torsion spring (3344) is connected with the guide blade (3345), and the other end thereof is connected with the cutter holder (3342).
3. The automatic stripping method as claimed in claim 1, wherein the air inlet and outlet ports of the four sets of second driving units (331) in the third step are connected end to end, so that the four sets of cutting parts (334) are cut synchronously.
4. The automatic stripping method as claimed in claim 1, characterized in that the top of the cutter support (32) in step two is provided with four guide rods (321); the four guide rods (321) penetrate through the top end of the positioning frame (21).
5. The automatic membrane removing method according to claim 1, wherein the front end of the left positioning member (222) in the second step is L-shaped, wherein a membrane taking-up assembly (2221) is arranged on one side L parallel to the conveying direction; the membrane taking-up component (2221) comprises a plurality of suckers a (22211) which are uniformly distributed along one side of the L shape and have upward openings.
6. The automatic membrane removing method according to claim 1, wherein in the second step, a bottle taking fork (2321) is arranged at the front end of the right positioning member (232) in a U shape, and a membrane removing assembly (2322) is arranged perpendicular to the bottle taking fork (2321); the membrane component taking-down assembly (2322) comprises a plurality of suction cups b (23221) which are uniformly distributed and provided with downward openings.
7. The automatic film removing method according to claim 1, wherein the front inner sides of the two fork legs of the bottle taking fork (2321) in the fifth step are obliquely arranged, and the maximum width A of the outer side of the bottle taking fork (2321) is not more than the maximum width B of the bottle body; the inner minimum width C of the bottle taking fork (2321) is not less than the maximum width D of the bottle neck.
8. The automatic stripping method as claimed in claim 1, characterized in that the step (2311) in the fifth step is arranged at the front end of the top of the right positioning slide (231) in an inclined transition manner.
9. The automatic stripping method as claimed in claim 1, characterized in that the top film pressing unit (4) in step two is connected with the bottom surface of the cutter holder (32) through a fifth driving unit (41); the overall dimension of the top film pressing unit (4) is matched with the overall dimension of a product to be subjected to film removal; the top film pressing unit (4) comprises a pressing top plate (42) and a plurality of suckers c (43) uniformly distributed on the bottom surface of the pressing top plate (42); the top film pressing unit (4) is internally provided with a hollow structure a, and a plurality of suckers c (43) are communicated with the hollow structure a; the top film pressing unit (4) is communicated with the vacuum machine (5) through a pipeline.
10. The automatic film removing method according to claim 1, wherein the belt conveyor in the first step is provided with a plurality of baffle plates (12) uniformly distributed along the circumference of the conveyor belt (11), the top ends of the baffle plates (12) are in a tooth-shaped structure, and when the baffle plates (12) are conveyed to the tail end of the belt conveyor, the whole box of materials (100) are given a thrust force by the baffle plates (12), so that the whole box of materials (100) are conveyed below the film cutting unit (3).
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| CN202011560413.7A CN113320784B (en) | 2020-12-25 | 2020-12-25 | Automatic film removing method |
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| CN202011560413.7A CN113320784B (en) | 2020-12-25 | 2020-12-25 | Automatic film removing method |
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| CN113320784B CN113320784B (en) | 2022-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114408487A (en) * | 2022-01-20 | 2022-04-29 | 东富龙科技集团股份有限公司 | Apparatus for removing bottles from honeycomb containers |
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| CN114408487B (en) * | 2022-01-20 | 2023-11-10 | 东富龙科技集团股份有限公司 | Device for removing bottles from honeycomb containers |
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| CN113320784B (en) | 2022-05-13 |
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Address after: Building 12, No. 28 Binhai Second Road, Yongxing Street, Longwan District, Wenzhou City, Zhejiang Province, 325000, China Patentee after: Wenzhou Jingyue Technology Co.,Ltd. Address before: 325000 1-1 and 2-1, building 12, small and micro enterprise entrepreneurship Park, Yongxing South Park, Binhai Second Road, Yongxing street, Longwan District, Wenzhou City, Zhejiang Province Patentee before: WENZHOU JING YUE ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |