CN119018397B - Automatic film sealing equipment for plastic bottle mouth and its working principle - Google Patents

Automatic film sealing equipment for plastic bottle mouth and its working principle

Info

Publication number
CN119018397B
CN119018397B CN202411254968.7A CN202411254968A CN119018397B CN 119018397 B CN119018397 B CN 119018397B CN 202411254968 A CN202411254968 A CN 202411254968A CN 119018397 B CN119018397 B CN 119018397B
Authority
CN
China
Prior art keywords
film
bottle
sealing
plastic
aluminum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202411254968.7A
Other languages
Chinese (zh)
Other versions
CN119018397A (en
Inventor
吴子麒
苏玉铭
吴子麟
吴祖能
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Changneng Packaging Industry Co ltd
Original Assignee
Guangdong Changneng Packaging Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Changneng Packaging Industry Co ltd filed Critical Guangdong Changneng Packaging Industry Co ltd
Publication of CN119018397A publication Critical patent/CN119018397A/en
Application granted granted Critical
Publication of CN119018397B publication Critical patent/CN119018397B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/164—Securing by heat-sealing
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/02—Feeding sheets or wrapper blanks
    • B65B41/04—Feeding sheets or wrapper blanks by grippers
    • B65B41/06—Feeding sheets or wrapper blanks by grippers by suction-operated grippers
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/50—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using rotary tables or turrets
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • 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
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
    • B65G47/248—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
    • 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
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0235—Containers
    • B65G2201/0244—Bottles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)

Abstract

The invention discloses automatic film sealing equipment for a bottle mouth of a plastic bottle and a working principle thereof, the equipment comprises a machine table and a control circuit, wherein a turntable is arranged on the machine table, four groups of heat sealing heads are uniformly distributed on the turntable around the rotation center of the turntable, the heat sealing heads are electrically connected with the control circuit, a film cutting mechanism for cutting a sealing film from an aluminum-plastic composite film, a film loading mechanism for moving the sealing film to the heat sealing head, a bottle placing mechanism for sleeving the plastic bottle on the heat sealing head with the sealing film, a bottle pressing mechanism for pressing the plastic bottle on the heat sealing head, and a bottle taking mechanism for taking out the plastic bottle on the heat sealing head are arranged on the machine table along the transfer track of the heat sealing heads, and the turntable drives the heat sealing heads to be sequentially processed on the film loading mechanism, the bottle placing mechanism, the bottle pressing mechanism and the bottle taking mechanism. The automatic film sealing device can automatically finish automatic film sealing on the bottle mouth of the plastic bottle, has high production efficiency, good sealing effect, safety and reliability, can improve sealing quality, saves labor cost, and can replace a manual film sealing process.

Description

Automatic film sealing equipment for bottle mouth of plastic bottle and working principle thereof
Technical Field
The invention relates to the technical field of film sealing machines, in particular to automatic film sealing equipment for a bottle mouth of a plastic bottle and a working principle thereof.
Background
The prior rubber bottle (such as a glass cement bottle) comprises a bottle body, wherein one end of the bottle body is provided with a closed bottle mouth, the other end of the bottle body is open, and the open end is used for placing a pushing piston. When the glass cement is injected into the rubber bottle, the inner end of the bottle mouth is easily sealed due to certain tension of the rubber, so that the inner periphery of the bottle mouth forms a closed air cavity, and the glass cement close to the inner end of the bottle mouth can be oxidized and dried and fixed by air in the air cavity. For this reason, some glass cement bottles are stuck with an aluminum plastic composite film in a hot melting mode in the bottle so as to seal the inner end of the bottle mouth. The process of hot melting and sticking the aluminum-plastic composite film is manual operation, and the tooling of the hot melting and sticking aluminum-plastic composite film is an electric heating film sealing head which can penetrate into the inner top of the rubber bottle. The worker places the cut aluminum-plastic composite film on the top of the film sealing head, then sleeves the plastic bottle outside the film sealing head, presses the plastic bottle from top to bottom, and starts the electric heating film sealing head to finish film sealing; finally, taking out the plastic-aluminum composite film sealed plastic bottle to finish the film sealing processing of the plastic bottle.
Disclosure of Invention
The invention aims to provide automatic film sealing equipment for a bottle mouth of a plastic bottle, which has reasonable structure and high production efficiency, and a working principle thereof.
The purpose of the invention is realized in the following way:
The automatic film sealing equipment for the bottle mouth of the plastic bottle comprises a machine table and a control circuit, wherein a turntable is arranged on the machine table, four groups of heat sealing heads are uniformly distributed on the turntable around the rotation center of the turntable, the heat sealing heads are electrically connected with the control circuit, a film cutting mechanism for cutting a sealing film out of an aluminum-plastic composite film, a film loading mechanism for moving the sealing film onto the heat sealing head, a bottle placing mechanism for sleeving the plastic bottle onto the heat sealing head with the sealing film, a bottle pressing mechanism for pressing the plastic bottle on the heat sealing head, and a bottle taking mechanism for taking out the plastic bottle on the heat sealing head are arranged on the machine table along the transfer track of the heat sealing heads, and the turntable drives the heat sealing heads to be sequentially processed on the film loading mechanism, the bottle placing mechanism, the bottle pressing mechanism and the bottle taking mechanism.
The aim of the invention can be also solved by adopting the following technical measures:
as a more specific scheme, the film loading mechanism is positioned above the film cutting mechanism, the film cutting mechanism comprises an unreeling device for installing and paying out aluminum-plastic composite film coiled materials, a film cutting device for cutting sealing films and a reeling device for recovering the aluminum-plastic composite films after the sealing films are cut off, and the aluminum-plastic composite films are connected between the unreeling device and the reeling device in a tensioning mode.
As a further scheme, the film cutting device comprises a film cutting tool bit and a cutting driving device for controlling the film cutting tool bit to enter the aluminum-plastic composite film and cut the sealing film, and the film cutting tool bit and the film loading mechanism are respectively positioned below and above the aluminum-plastic composite film between the unreeling device and the reeling device. Or the film cutting device comprises a film punching head, a cutting template and a punch lifting driving cylinder, wherein the film punching head and the cutting template are respectively positioned below and above the aluminum-plastic composite film between the unreeling device and the reeling device, the film loading mechanism is positioned above the cutting template, the cutting template is provided with a cutting cavity penetrating through the upper side and the lower side of the film punching head corresponding to the film punching head, and the punch lifting driving cylinder is arranged on the machine and used for controlling the lifting movement of the film punching head.
As a further scheme, the film loading mechanism comprises a fixed bearing piece, a transverse film moving cylinder, a movable bearing platform, a longitudinal film moving cylinder and a sucker, wherein the fixed bearing piece is fixedly arranged on the machine platform, is positioned above the aluminum-plastic composite film and extends to the upper part of the turntable, and the sucker is arranged below the movable bearing platform and is communicated with the first negative pressure air channel.
As a further scheme, the fixed bearing piece is a fixed bearing platform, the fixed bearing platform is provided with yielding holes corresponding to the upper part of the aluminum-plastic composite film and the upper part of the turntable, the movable bearing platform is arranged on the fixed bearing platform in a transversely sliding manner, the transversely moving film cylinder is arranged between the fixed bearing platform and the movable bearing platform and drives the movable bearing platform to move in an area between the upper part of the aluminum-plastic composite film and the upper part of the turntable, the longitudinally moving film cylinder is arranged on the movable bearing platform and connected with the sucker, and the sucker corresponds to the upper part of the inner side of the film cutting tool bit. The fixing bearing piece is a cantilever beam, two ends of the cantilever beam are respectively positioned above the aluminum-plastic composite film and the turntable and staggered with the vertical area of the film punching head, the transverse film moving cylinder is arranged between the cantilever beam and the movable bearing platform and drives the movable bearing platform to move in the area between the upper part of the aluminum-plastic composite film and the upper part of the turntable, and the longitudinal film moving cylinder is in linear sliding fit with the cantilever beam and is in transmission connection with the movable bearing platform, and the sucker is correspondingly arranged above the center of the film punching head.
As a further scheme, the heat sealing head comprises an inserting rod and an annular heating body, wherein the annular heating body is arranged at the top end of the inserting rod, and the annular heating body is electrically connected with the control circuit.
As a further scheme, the top end of the inserted link is provided with an elastic bulge corresponding to the periphery of the annular heating body, a limit groove is formed in the inner side of the elastic bulge, and the sealing film is placed in the limit groove. Or the top of the inserted link is provided with an air suction port corresponding to the inner side of the annular heating body, an air suction fan is arranged in the inserted link, the air suction end of the air suction fan is communicated with the air suction port, the air suction fan is electrically connected with the control circuit through a conductive ring, and the sealing film is arranged on the top of the inserted link. Or the top center of the inserted link is provided with a floating air suction head, the floating air suction head is connected to the inserted link through an elastic piece, the top of the floating air suction head is provided with an air suction port, the top center of the turntable is provided with a rotary air distribution connector, and the air suction port is communicated with a second negative pressure air passage through the rotary air distribution connector.
As a further scheme, put bottle mechanism includes bottle conveyer and bottle turning device, and bottle conveyer conveys the bottle of gluing to bottle turning device, and bottle turning device is with gluing bottle upset to vertical state to make glue bottle embolia on the thermal seal head that has the sealing membrane.
The bottle pressing mechanism comprises a first fixing frame, a bottle pressing cylinder and a pressing block, wherein the first fixing frame is fixedly arranged on the machine table and is suspended above the turntable, and the pressing block is positioned above the movement track of the heat sealing head and is in transmission connection with the bottle pressing cylinder which is arranged on the first fixing frame.
As a further scheme, get bottle mechanism includes second mount, movable frame, moves bottle power unit and is used for pressing from both sides the device of mentioning of gluing bottle, and the second mount is fixed to be set up on the board, and second mount one end is unsettled extremely carousel top, and the movable frame slides and sets up on the second mount, moves bottle power unit and connects between second mount and movable frame to control the movable frame and remove between board top and carousel top, mentioning the device setting on the movable frame.
As a further solution, the suction cup is made of an elastic material.
The working principle of the automatic film sealing equipment for the bottle mouth of the plastic bottle is as follows:
S1, conveying a plastic bottle by a bottle conveying device, conveying an aluminum-plastic composite film by an unreeling device and a reeling device, penetrating the aluminum-plastic composite film from a region between a film loading mechanism and a film cutting device, driving a sucker to move by a longitudinal film moving cylinder, and pressing the aluminum-plastic composite film by the sucker and fixing the aluminum-plastic composite film;
S2, driving a film cutting tool bit to move upwards and axially rotate by a cutting driving device, cutting a sealing film by rotating after the film cutting tool bit punctures the aluminum-plastic composite film, or cutting the sealing film in a cutting cavity of a cutting template at the top of the aluminum-plastic composite film by a film punching head so as to cut the sealing film, and finally, sucking the sealing film by a sucking disc under the action of the film punching head to compress and deform upwards
S3, the sucker moves and transfers the sealing film to the top end of the inserted link of one group of the heat seal heads to be positioned and fixed, and the sucker returns to normal pressure to transfer the sealing film to the inserted link;
S4, the turntable drives the heat sealing head provided with the sealing film to be transferred to a bottle body overturning device, the bottle body conveying device conveys the rubber bottle to the bottle body overturning device, the bottle body overturning device overturns the rubber bottle to a vertical state, and the rubber bottle slides downwards and is sleeved outside the inserted link provided with the sealing film;
S5, the turntable drives the heat sealing head sleeved with the rubber bottle to be transferred to the lower part of the bottle pressing mechanism, the bottle pressing cylinder works to drive the pressing block to press against the top end of the rubber bottle, so that the sealing film is pressed between the inserting rod and the top end wall of the rubber bottle, and the annular heating body heats the sealing film, so that the corresponding position of the sealing film is adhered to the top end wall of the rubber bottle;
S6, the turntable drives the sealed plastic bottles to be transferred to the lower part of the bottle taking mechanism, and the lifting device clamps and removes the plastic bottles from the inserted rod so as to complete a round of film sealing process and circulate in turn.
The beneficial effects of the invention are as follows:
the automatic film sealing equipment for the bottle mouth of the plastic bottle and the working principle thereof can automatically finish automatic film sealing of the bottle mouth of the plastic bottle through the automatic mechanism, has high production efficiency, good sealing effect, safety and reliability, can improve the sealing quality, saves labor cost, and can replace a manual film sealing process.
Drawings
Fig. 1 is a schematic top view of an embodiment of the present invention.
FIG. 2 is a schematic diagram of a film cutting mechanism and a film loading mechanism according to the present invention.
FIG. 3 is a schematic view of another angular structure of the film loading mechanism of the present invention.
Fig. 4 is a schematic structural view of a bottle conveying device and a bottle placing mechanism in the invention.
FIG. 5 is a schematic view of another angle structure of the bottle releasing mechanism in the present invention.
Fig. 6 is a schematic diagram of a matching structure of the bottle pressing mechanism and the heat sealing head in the invention.
FIG. 7 is a schematic view of a bottle-taking mechanism according to the present invention.
Fig. 8 is a schematic structural diagram of another embodiment of the thermal head of the present invention.
Fig. 9 is a schematic top view of a second embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a film cutting mechanism and a film loading mechanism according to a second embodiment of the present invention.
Fig. 11 is a schematic view of the structure of fig. 10 in another working state.
Fig. 12 is a schematic structural diagram of a middle heat seal head according to a second embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
Examples
Referring to fig. 1 to 7, an automatic film sealing device for a bottle mouth of a plastic bottle comprises a machine table 1 and a control circuit 40, wherein a turntable 11 is arranged on the machine table 1, two or more groups of heat sealing heads 7 are uniformly distributed on the turntable 11 around the rotation center of the turntable, the two or more groups of heat sealing heads 7 are electrically connected with the control circuit 40, a film cutting mechanism 9 for cutting a sealing film 201 from an aluminum-plastic composite film 10, a film loading mechanism 3 for moving the sealing film 101 to the heat sealing head 7, a bottle pressing mechanism 6 for sleeving a plastic bottle 20 on the heat sealing head 7 with the sealing film 101, a bottle taking mechanism 8 for taking out the plastic bottle 20 on the heat sealing head 7 are arranged on the machine table 1 along the transfer track of the heat sealing heads 7, and the turntable 11 drives the heat sealing heads 7 to be sequentially processed on the film loading mechanism 3, the bottle pressing mechanism 6 and the bottle taking mechanism 8.
The automatic film sealing equipment for the bottle mouth of the plastic bottle can automatically finish automatic film sealing of the bottle mouth of the plastic bottle through the automatic mechanism, has high production efficiency, good sealing effect, safety and reliability, can improve the sealing quality, saves labor cost, and can replace a manual film sealing process.
In this embodiment, the turntable 11 includes a turntable, four groups of heat sealing heads 7 are uniformly distributed on the turntable, each group of heat sealing heads includes two heat sealing heads 7, the film loading mechanism 3, the bottle placing mechanism, the bottle pressing mechanism 6 and the bottle taking mechanism 8 are uniformly distributed on the periphery of the turntable at equal intervals, and the installation positions of the mechanisms respectively correspond to one group of heat sealing heads 7.
The film loading mechanism 3 is located above the film cutting mechanism 9, the film cutting mechanism 9 includes an unreeling device 2 for mounting and paying out a roll of the aluminum-plastic composite film 10, a film cutting device for cutting the sealing film 101, and a reeling device (the reeling device is not marked in the drawing of the first embodiment and is marked 21 in the drawing of the second embodiment) for recovering the aluminum-plastic composite film 10 after cutting the sealing film 101, the aluminum-plastic composite film 10 is in tension connection between the unreeling device 2 and the reeling device, the film cutting device includes a film cutting tool bit 91 and a cutting driving device for controlling the film cutting tool bit 91 to enter the aluminum-plastic composite film 10 and cut the sealing film 101, and the film cutting tool bit 91 and the film loading mechanism 3 are respectively located below and above the aluminum-plastic composite film 10 between the unreeling device 2 and the reeling device.
The film cutting tool bit 91 is rotatably arranged on a lifting frame 93, the lifting frame 93 is in transmission connection with a cutter advancing and retreating lifting driving cylinder 94, a rotary cutting driving motor 95 is arranged on the lifting frame 93, and the rotary cutting driving motor 95 is in transmission connection with the film cutting tool bit 91. When cutting the film, the cutter head 91 drives the cutter head 91 to lift and puncture the aluminum-plastic composite film 10 by the lifting frame 93, and then the rotary cutting driving motor 95 controls the cutter head 91 to rotate, so that the sealing film 101 can be cut.
Further, the film cutting device further includes a contact 92, the contact 92 is located within the rotation track range of the film cutting tool bit 91, and the contact 92 is used for supporting the cut sealing film 101.
The film cutting device further comprises a bearing plate 96, wherein the bearing plate 96 is positioned on the outer side of the film cutting tool bit 91 and is in clearance fit with the film cutting tool bit 91 so as to play a certain role in bearing the aluminum-plastic composite film 10 except the sealing film 101.
The film loading mechanism 3 comprises a fixed bearing piece 32, a transverse film moving cylinder 31, a movable bearing platform 34, a longitudinal film moving cylinder 38 and a sucker 37, wherein the fixed bearing piece 32 is fixedly arranged on the machine platform 1 and is positioned above the aluminum-plastic composite film 10 and extends to the upper part of the turntable 11, the fixed bearing piece 32 is a fixed bearing platform, the fixed bearing platform is provided with yielding holes corresponding to the upper part of the aluminum-plastic composite film 10 and the upper part of the turntable 11, the movable bearing platform 34 is transversely arranged on the fixed bearing platform in a sliding manner through a linear guide 33, the transverse film moving cylinder 31 is arranged between the fixed bearing platform and the movable bearing platform 34 and drives the movable bearing platform 34 to move in an area between the upper part of the aluminum-plastic composite film 10 and the upper part of the turntable 11, the longitudinal film moving cylinder 38 is arranged on the movable bearing platform 34 and is connected with the sucker 37, the sucker 37 is communicated with a negative pressure air path, and the sucker 37 is positioned below the movable bearing platform 34 and corresponds to the upper part of the inner side of the film cutting tool bit 91.
The inside of the sucker 37 is provided with an air passage, the bottom of the sucker 37 is provided with an air suction hole, the upper side of the sucker 37 is provided with an air outlet 36, the air outlet 36 and the inner end of the air suction hole are communicated with the air passage, and the air outlet 36 is communicated with negative pressure, so that suction force is formed at the bottom of the sucker 37 to suck the sealing film 101.
The bearing plate 96 is also provided with a floating pressing plate 97, the aluminum-plastic composite film 10 passes through the bearing plate 96 and the floating pressing plate 97, and the floating pressing plate 97 is provided with an avoidance hole 971 corresponding to the film cutting tool bit 91 and the sucker 37. The sucker 37 is also provided with a contact plate 35, when the sucker 37 presses the aluminum-plastic composite film 10, the contact plate 35 contacts the floating pressing plate 97 to move downwards to clamp the aluminum-plastic composite film 10 on the periphery of the film cutting tool bit 91, so that the aluminum-plastic composite film corresponding to the film cutting tool bit 91 is ensured to be in a fixed and tight state, and the shaping and cutting are facilitated. A spring 99 is arranged between the floating pressing plate 97 and the bearing plate 96, a guide pin 98 is arranged on the bearing plate 96, and the guide pin 98 passes through the spring 99 and then is in sliding fit with the floating pressing plate 97.
The heat sealing head 7 comprises an inserting rod 70 and an annular heating body 71, the annular heating body 71 is arranged at the top end of the inserting rod 70, a conductive ring is arranged at the rotation axis of the turntable, and the annular heating body 71 is electrically connected with a control circuit through the conductive ring.
The specific embodiment of the heat sealing head 7 comprises:
In one mode, as shown in fig. 3, an air suction port 72 is provided at the top end of the insert rod 70 corresponding to the inner side of the annular heating body 71, an air suction fan 73 is provided in the insert rod 70, the air suction end of the air suction fan 73 is communicated with the air suction port 72, the air suction fan 73 is electrically connected with the control circuit through a conductive ring, and the sealing film 101 is placed on the top end of the insert rod 70.
The lower part of the inserted link 70 corresponding to the suction fan 73 is provided with an air outlet 74, and the air outlet 74 is communicated with the exhaust end of the suction fan 73.
In a second mode, as shown in fig. 8, an elastic protrusion 76 is provided at the top end of the insert rod 70 corresponding to the periphery of the annular heating body 71, the elastic protrusion 7 is elastically provided by a spring 77, a limit groove 78 is formed at the inner side of the elastic protrusion 76, and the sealing film 101 is placed in the limit groove 78.
The bottle placing mechanism comprises a bottle conveying device 4 and a bottle turning device 5, an inclined guide plate 44 is arranged between the bottle conveying device 4 and the bottle turning device 5, the bottle conveying device 4 conveys the rubber bottle 20 to the bottle turning device 5 through the inclined guide plate 44, the bottle turning device 5 turns the rubber bottle 20 to a vertical state, and the rubber bottle 20 is sleeved on the heat sealing head 7 with the sealing film 101.
The bottle body turning device 5 comprises a turning seat 51, a rubber bottle positioning groove 511 adapting to the surface shape of the rubber bottle 20 is formed in the turning seat 51, the rubber bottle positioning groove 511 is of an arc-shaped structure in the embodiment, a connecting arm 52 is fixedly arranged at one end of the turning seat 51, one end of the connecting arm 52 is provided with a power turning shaft 53 driving the connecting arm 52 to drive the turning seat 51 to turn 90 degrees, a gas circuit is also arranged in the turning seat 51, a suction hole is formed in the groove surface of the rubber bottle positioning groove 511, a gas outlet 512 is formed in the back side of the turning seat 51, the inner ends of the gas outlet 512 and the suction hole are communicated with the gas circuit, the gas outlet 512 is communicated with the bottom of the rubber bottle positioning groove 511 to form suction force, and the bottle body can be sucked in the process of turning the rubber bottle 20 by the turning seat 51.
The bottle conveying device 4 comprises a conveying belt, an inclined guide-in plate 44 is arranged between the conveying belt and the rubber bottle positioning groove 511, the groove wall height of the rubber bottle positioning groove 511 is higher than that of the other side, close to the inclined guide-in plate 44, of the side, far away from the inclined guide-in plate 44, of the rubber bottle, the rubber bottle is rolled into the rubber bottle positioning groove 511 along the inclined guide-in plate 44, and certain inertia exists when the rubber bottle is rolled into the rubber bottle positioning groove 511, so that the groove wall height of the rubber bottle positioning groove 511 is higher than that of the other side, close to the conveying belt, of the side, far away from the conveying belt, and stop of the rubber bottle is facilitated.
The bottle pressing mechanism 6 comprises a first fixing frame 62, a bottle pressing cylinder 61 and a pressing block 63, wherein the first fixing frame 62 is fixedly arranged on the machine table 1 and is suspended above the turntable, the pressing block 63 is positioned above the movement track of the heat sealing head 7 and is in transmission connection with the bottle pressing cylinder 61, and the bottle pressing cylinder 61 is arranged on the first fixing frame 62.
The bottle taking mechanism 8 comprises a second fixing frame 83, a movable frame 81, a bottle moving power unit 84 and a lifting device for clamping the glue bottle 20, the second fixing frame 83 is fixedly arranged on the machine table 1, one end of the second fixing frame 83 is suspended above the rotary table, the movable frame 81 is arranged on the second fixing frame 83 in a sliding mode, the bottle moving power unit 84 is a bottle moving cylinder connected between the second fixing frame 83 and the movable frame 81 and used for controlling the movable frame 81 to move between the upper side of the machine table 1 and the upper side of the rotary table, and the lifting device is arranged on the movable frame 81.
The lifting device comprises a mechanical clamping hand 85 and a lifting cylinder 82, wherein the lifting cylinder 82 is connected between the mechanical clamping hand 85 and the movable frame 81, and controls the mechanical clamping hand 85 to lift up and down so as to pull the sealed rubber bottle 20 away from the inserted link 70, a discharge slide plate 12 is obliquely arranged above the machine 1 corresponding to the position of the mechanical clamping hand 85, and a material storage box 13 for collecting the rubber bottle 20 is further arranged at the discharge end of the discharge slide plate 12.
The working principle of the automatic film sealing equipment for the bottle mouth of the plastic bottle based on the first embodiment is as follows:
S1, a bottle body conveying device 4 conveys a plastic bottle 20 along an R01 indication direction, an unreeling device 2 and a reeling device are matched with each other to convey an aluminum-plastic composite film 10 along a C indication direction, the aluminum-plastic composite film 10 passes through a bearing plate 96 and a floating pressing plate 97, a longitudinal film moving cylinder 38 works to drive a contact pressing plate 35 and a sucker 37 to move along an H1 indication direction, and when the sucker 37 presses the aluminum-plastic composite film 10, the contact pressing plate 35 triggers the floating pressing plate 97 to move downwards, and the bearing plate 96 and the floating pressing plate 97 clamp the aluminum-plastic composite film 10 to fix.
S2, a cutter lifting driving cylinder 94 drives a film cutting tool bit 91 to lift along an H2 indication direction and puncture the aluminum-plastic composite film 10 through a lifting frame 93, then a rotary cutting driving motor 95 controls the film cutting tool bit 91 to rotate along an R1 indication direction, a sealing film 101 is cut out, the sealing film 101 is clamped between a sucker 37 and a contact head 92, the sucker 37 is exhausted to an E indication direction, suction is formed at the bottom of the sealing film 101, and after the sealing film 101 is sucked up, a bearing plate 96 and a floating pressing plate 97 loosen the aluminum-plastic composite film 10, so that the aluminum-plastic composite film can continue to advance.
In addition, after the aluminum-plastic composite film 10 passes through the film loading mechanism 3 in the state of mark a, a vacancy enough to cut out a sealing film 101 is formed between two adjacent hollowed holes corresponding to the abdication holes on the aluminum-plastic composite film 10 after the two film cutting tool bits 91 cut films, so that when the film is cut in the later round, the two film cutting tool bits 91 cut films at the front and rear positions of the last hollowed hole, and the aluminum-plastic composite film 10 cut films in the mode is output in the state of mark B.
S3, after the sucking disc 37 moves in a combined mode through the transverse film moving cylinder 31 and the longitudinal film moving cylinder 38, the sealing film 101 is transferred to the top end of the inserting rod 70 of the heat sealing head 7 along the direction indicated by D1, the suction fan 73 sucks air in the direction indicated by F through the suction port 72 to form negative pressure, or the sealing film 101 is fixed through the limit groove 78, and then the sucking disc 37 returns to normal pressure to enable the sealing film 101 to be transferred to the inserting rod 70.
S4, the turntable drives the heat sealing head 7 provided with the sealing film 101 to rotate and transfer to the lower part of the bottle overturning device 5 along the R0 indication direction, at the moment, the bottle conveying device 4 moves along the R2 indication direction, so that the rubber bottle 20 on the bottle conveying device 4 is conveyed along the G indication direction, the rubber bottle 20 can fall into the rubber bottle positioning groove 511 along the I indication direction, at the moment, the overturning seat 51 discharges air along the J indication direction and forms negative pressure to suck the rubber bottle 20, the overturning seat 51 drives the overturning seat to overturn 90 degrees around the R3 indication direction through the power overturning shaft 53, an opening at the bottom of the rubber bottle 20 is opposite to the top end of the inserting rod 70, and finally the overturning seat 51 releases the negative pressure to enable the rubber bottle 20 to fall and be sleeved outside the inserting rod 70.
S5, the turntable drives the heat sealing head 7 sleeved with the glue bottle 20 to continuously rotate and transfer to the lower part of the bottle pressing mechanism 6 along the R0 indication direction, the bottle pressing cylinder 61 works to drive the pressing block 63 to move along the H2 indication mode, the pressing block 63 is pressed against the top end of the glue bottle 20, the sealing film 101 is pressed between the inserting rod 70 and the top end wall of the glue bottle 20, then the annular heating body 71 works to heat the sealing film 101, the corresponding position of the sealing film 101 is adhered to the top end wall of the glue bottle 20, and the sealing work of one round of glue bottle 20 is completed.
S6, the turntable drives the sealed rubber bottles 20 to continue to rotate and transfer to the lower part of the bottle taking mechanism 8 along the R0 indication direction, the lifting cylinder 82 drives the mechanical clamping arm 85 to lift reciprocally along the H3 indication direction, the rubber bottles 20 are clamped up from the inserting rods 70 through the mechanical clamping arm 85, then the bottle moving power unit 84 drives the movable frame 81 to drive the mechanical clamping arm 85 to slide horizontally along the K indication direction, the clamped rubber bottles 20 are transferred to the upper part of the discharging slide plate 12 from the turntable position, the mechanical clamping arm 85 loosens the rubber bottles 20, the rubber bottles 20 fall onto the discharging slide plate 12 along the H4 indication direction, the discharging slide plate 12 slides the rubber bottles 20 out of the storage box 13 to realize discharging, and then the heat sealing head 7 can rotate to the lower part of the film filling mechanism 3 again to wait for next film filling, and the heat sealing head sequentially circulates.
Examples
The difference from the first embodiment is that, referring to fig. 9 to 12, the film cutting device includes a film punching head 910, a cutting die plate 911, and a punch lifting driving cylinder 913, the film punching head 910 and the cutting die plate 911 are respectively located below and above the aluminum-plastic composite film 10 between the unreeling device 2 and the reeling device, the film loading mechanism 3 is located above the cutting die plate 911, the cutting die plate 911 is provided with a cutting cavity 912 penetrating through the upper and lower sides thereof corresponding to the film punching head 910, and the punch lifting driving cylinder 913 is disposed on the machine table 1 and is used for controlling the lifting movement of the film punching head 910.
The fixed carrier 32 is a cantilever beam, two ends of the cantilever beam are respectively positioned above the aluminum-plastic composite film 10 and the turntable 11 and are staggered with the vertical area of the film punching head 910, the transverse film moving cylinder 31 is arranged between the cantilever beam and the movable bearing platform 34 and drives the movable bearing platform 34 to move in the area between the upper part of the aluminum-plastic composite film 10 and the upper part of the turntable 11, the longitudinal film moving cylinder 38 is in linear sliding fit with the cantilever beam through the linear guide rail 33 and is in transmission connection with the movable bearing platform 34, and the sucker 37 is correspondingly arranged above the center of the film punching head 910. The top surface of the film punching head 910 has a certain spiral angle, so that when the film punching head 910 is inserted into the cutting cavity 912, the top edge of the film punching head 910 and the bottom edge of the cutting cavity 912 form a rotary cutting relationship, thereby better cutting out the circular sealing film 101.
The top center of the inserted link 70 is provided with a floating air suction head 75, the floating air suction head 75 is supported on the inserted link 70 through an elastic member 79, the top of the floating air suction head 75 is provided with an air suction port 72, the top center of the turntable 11 is provided with a rotary air distribution joint 100, and the air suction port 72 is communicated with a second negative pressure air path Q through the rotary air distribution joint 100. Since the apparatus is in a continuous operation state, the annular heating element 71 of the heat sealing head 7 has a high residual temperature even if it is started up, and the sealing film 101 is not suitable for contact therewith, the floating suction head 75 is provided to lift up the sealing film 101 and to keep a certain distance from the annular heating element 71 before the sealing film 101 is pressed. Under the action of the bottle pressing mechanism 6, the bottle body and the sealing film 101 are pressed down together, and the annular heating body 71 is started, so that the sealing film 101 is in hot melting fit with the inner top surface of the bottle body.
Of course, the air suction port 72 may be selectively communicated with the atmosphere or the second negative pressure air path Q through a three-way electromagnetic valve, and when the air suction port is communicated with the atmosphere, negative pressure adsorption is not formed, so that the suction cup 37 is convenient to take away.
Based on the working principle of the automatic film sealing equipment for the bottle mouth of the plastic bottle in the second embodiment, the process is different from the first embodiment in that:
S2, the film punching head 910 is used for punching the sealing film 101 by pushing the aluminum-plastic composite film 10 into a cutting cavity 912 of a cutting template 911, the sucker 37 is compressed and deformed upwards under the action of the film punching head 910, and finally, the sucker 37 is used for sucking the sealing film 101.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims (8)

1. The automatic film sealing equipment for the bottle mouth of the plastic bottle comprises a machine table (1) and a control circuit (40), and is characterized in that a turntable (11) is arranged on the machine table (1), four groups of hot seal heads (7) are uniformly distributed on the turntable (11) around the rotation center of the turntable, the hot seal heads (7) are electrically connected with the control circuit (40), a film cutting mechanism (9) for cutting a sealing film (101) from an aluminum-plastic composite film (10) is arranged on the machine table (1) along the transfer track of the hot seal heads (7), a film loading mechanism (3) for moving the sealing film (101) onto the hot seal heads (7), a bottle placing mechanism for sleeving a plastic bottle (20) onto the hot seal heads (7) with the sealing film (101), a bottle pressing mechanism (6) for pressing the plastic bottle (20) on the hot seal heads (7), and a bottle taking mechanism (8) for taking out the plastic bottle (20), and the turntable drives the hot seal heads (7) to sequentially go to the film loading mechanism (3), the bottle placing mechanism, the bottle pressing mechanism (6) and the bottle taking mechanism (8);
the heat sealing head (7) comprises an inserting rod (70) and an annular heating body (71), wherein the annular heating body (71) is arranged at the top end of the inserting rod (70), and the annular heating body (71) is electrically connected with the control circuit;
The top of the inserted link (70) is provided with an elastic bulge (76) corresponding to the periphery of the annular heating body (71), the inner side of the elastic bulge (76) is provided with a limit groove (78), the sealing film (101) is placed in the limit groove (78), or the top of the inserted link (70) is provided with an air suction port (72) corresponding to the inner side of the annular heating body (71), the inserted link (70) is internally provided with an air suction fan (73), the air suction end of the air suction fan (73) is communicated with the air suction port (72), the air suction fan (73) is electrically connected with the control circuit through a conducting ring, the sealing film (101) is placed on the top of the inserted link (70), or the top center of the inserted link (70) is provided with a floating air suction head (75), the floating air suction head (75) is connected to the inserted link (70) through an elastic piece (79), the top of the floating air suction head (75) is provided with an air suction port (72), and the top center of the rotary air distribution joint (100) is arranged at the top surface of the rotary air passage (11), and the air suction port (72) is communicated with a second negative pressure (Q) through the rotary air distribution joint (100).
2. The automatic film sealing equipment for the bottle mouth of the plastic bottle according to claim 1, wherein the film loading mechanism (3) is positioned above the film cutting mechanism (9), the film cutting mechanism (9) comprises an unreeling device (2) for installing and unreeling aluminum-plastic composite films (10), a film cutting device for cutting sealing films (101) and a reeling device for recycling the aluminum-plastic composite films (10) after the sealing films (101) are cut off, and the aluminum-plastic composite films (10) are connected between the unreeling device (2) and the reeling device in a tensioning manner;
The film cutting device comprises a film cutting tool bit (91) and a cutting driving device for controlling the film cutting tool bit (91) to enter the aluminum-plastic composite film (10) and cut the sealing film (101), wherein the film cutting tool bit (91) and the film loading mechanism (3) are respectively positioned below and above the aluminum-plastic composite film (10) between the unreeling device (2) and the reeling device, or the film cutting device comprises a film punching head (910), a cutting template (911) and a punch lifting driving cylinder (913), the film punching head (910) and the cutting template (911) are respectively positioned below and above the aluminum-plastic composite film (10) between the unreeling device (2) and the reeling device, the film loading mechanism (3) is positioned above the cutting template (911), the cutting template (911) is provided with a cutting cavity (912) penetrating through the upper side and the lower side of the film punching head (910) corresponding to the film punching head (910), and the punch lifting driving cylinder (913) is arranged on the machine table (1) and used for controlling the lifting movement of the film punching head (910).
3. The automatic film sealing equipment for the bottle mouth of the plastic bottle according to claim 2, wherein the film loading mechanism (3) comprises a fixed bearing part (32), a transverse film moving cylinder (31), a movable bearing platform (34), a longitudinal film moving cylinder (38) and a sucker (37), the fixed bearing part (32) is fixedly arranged on the machine platform (1) and is positioned above the aluminum-plastic composite film (10) and extends to the upper part of the turntable (11), and the sucker (37) is arranged below the movable bearing platform (34) and is communicated with the first negative pressure air path (E);
The fixed bearing piece (32) is a fixed bearing platform, the fixed bearing platform corresponds to an aluminum-plastic composite film (10) and is provided with a yielding hole above the turntable (11), the movable bearing platform (34) is arranged on the fixed bearing platform in a transversely sliding mode, the transversely moving film cylinder (31) is arranged between the fixed bearing platform and the movable bearing platform (34) and drives the movable bearing platform (34) to move in an area between the upper side of the aluminum-plastic composite film (10) and the upper side of the turntable (11), the longitudinally moving film cylinder (38) is arranged on the movable bearing platform (34) and is connected with the sucker (37), the sucker (37) corresponds to the upper side of the inner side of the film cutting tool bit (91), or the fixed bearing piece (32) is a cantilever beam, two ends of the cantilever beam are respectively arranged above the aluminum-plastic composite film (10) and the upper side of the turntable (11) and are staggered with the vertical area of the film punching head (910), the transversely moving film cylinder (31) is arranged between the cantilever beam and the movable bearing platform (34) and drives the movable bearing platform (34) to move above the aluminum-plastic composite film (10) and the upper side of the turntable (11) correspondingly to the sucker (37) and is in a linear sliding mode.
4. The automatic film sealing equipment for the bottle mouth of the plastic bottle according to claim 1, wherein the bottle placing mechanism comprises a bottle conveying device (4) and a bottle turning device (5), the bottle conveying device (4) conveys the plastic bottle (20) to the bottle turning device (5), the bottle turning device (5) turns the plastic bottle (20) to a vertical state, and the plastic bottle (20) is sleeved on the heat sealing head (7) with the sealing film (101).
5. The automatic film sealing equipment for the bottle mouth of the plastic bottle according to claim 1, wherein the bottle pressing mechanism (6) comprises a first fixing frame (62), a bottle pressing cylinder (61) and a pressing block (63), the first fixing frame (62) is fixedly arranged on the machine table (1) and is suspended above the rotary table (11), and the pressing block (63) is positioned above the movement track of the heat sealing head (7) and is in transmission connection with the bottle pressing cylinder (61), and the bottle pressing cylinder (61) is arranged on the first fixing frame (62).
6. The automatic film sealing equipment for the bottle mouth of the plastic bottle according to claim 1, wherein the bottle taking mechanism (8) comprises a second fixed frame (83), a movable frame (81), a bottle moving power unit (84) and a lifting device for clamping the plastic bottle (20), the second fixed frame (83) is fixedly arranged on the machine table (1), one end of the second fixed frame (83) is suspended above the rotary table (11), the movable frame (81) is slidably arranged on the second fixed frame (83), the bottle moving power unit (84) is connected between the second fixed frame (83) and the movable frame (81), the movable frame (81) is controlled to move between the upper part of the machine table (1) and the upper part of the rotary table (11), and the lifting device is arranged on the movable frame (81).
7. An automatic film sealing device for a bottle mouth of a plastic bottle according to claim 3, wherein the sucking disc (37) is made of an elastic material.
8. The working principle of the automatic film sealing equipment for the bottle mouth of the plastic bottle according to claim 1 is characterized in that the flow is as follows:
S1, conveying a plastic bottle (20) by a bottle body conveying device (4), conveying an aluminum-plastic composite film (10) by an unreeling device (2) and a reeling device, enabling the aluminum-plastic composite film (10) to pass through a region between a film loading mechanism (3) and a film cutting device, driving a sucker (37) to move by a longitudinal film moving cylinder (38), and pressing the aluminum-plastic composite film (10) by the sucker (37) and fixing the aluminum-plastic composite film (10);
S2, driving a film cutting tool bit (91) to move upwards and axially rotate by a cutting driving device, cutting a sealing film (101) by rotation after the film cutting tool bit (91) punctures an aluminum-plastic composite film (10), or propping the aluminum-plastic composite film (10) into a cutting cavity (912) of a cutting template (911) by a film punching head (910) to cut the sealing film (101), and enabling a sucker (37) to be compressed and deformed upwards under the action of the film punching head (910);
S3, the sucker (37) moves, the sealing film (101) is transferred to the top end of the inserting rod (70) of one group of the thermal seal heads (7) to be positioned and fixed, and the sucker (37) restores normal pressure to enable the sealing film (101) to be transferred to the inserting rod (70);
S4, the turntable (11) drives the heat sealing head (7) provided with the sealing film (101) to be transferred to the bottle body overturning device (5), the bottle body conveying device (4) conveys the rubber bottle to the bottle body overturning device (5), the bottle body overturning device (5) overturns the rubber bottle to a vertical state, and the rubber bottle slides downwards and is sleeved outside the inserted rod (70) provided with the sealing film (101);
S5, the turntable (11) drives the heat sealing head (7) sleeved with the rubber bottle (20) to be transferred to the lower part of the bottle pressing mechanism (6), the bottle pressing cylinder (61) works to drive the pressing block (63) to press against the top end of the rubber bottle (20) so that the sealing film (101) is pressed between the inserting rod (70) and the top end wall of the rubber bottle (20), and the annular heating body (71) heats the sealing film (101) so that the position corresponding to the sealing film (101) is adhered to the top end wall of the rubber bottle (20);
S6, the turntable (11) drives the sealed plastic bottles (20) to be transferred to the lower part of the bottle taking mechanism (8), and the lifting device clamps and removes the plastic bottles (20) from the inserting rod (70) so as to complete a round of film sealing process and circulate in turn.
CN202411254968.7A 2023-09-08 2024-09-09 Automatic film sealing equipment for plastic bottle mouth and its working principle Active CN119018397B (en)

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CN2023111657942 2023-09-08
CN202311165794.2A CN117048945A (en) 2023-09-08 2023-09-08 Automatic film sealing equipment for bottle mouth of plastic bottle and working principle thereof

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CN119018397B true CN119018397B (en) 2025-09-26

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CN119954085B (en) * 2025-03-24 2025-11-21 广州雪霸专用设备有限公司 Filling heat-sealing turntable machine

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CN220764916U (en) * 2023-09-08 2024-04-12 广东长能包装实业有限公司 Automatic film sealing equipment for rotary plastic bottle mouth

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CN203667980U (en) * 2013-12-28 2014-06-25 郑州星火包装机械有限公司 Small bottle sealing machine
CN107117339A (en) * 2016-02-25 2017-09-01 上海亚登食品机械有限公司 A kind of swinging aluminium foil sealing machine
CN114056667A (en) * 2021-12-22 2022-02-18 楚天科技股份有限公司 Film heat sealing device and film heat sealing system are cut to coil of wire membrane
CN115158791B (en) * 2022-06-30 2025-07-04 楚天科技股份有限公司 Film cutting and sealing machine and film cutting and sealing method

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CN220764916U (en) * 2023-09-08 2024-04-12 广东长能包装实业有限公司 Automatic film sealing equipment for rotary plastic bottle mouth

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