CN110329574B - Weld joint film laminating equipment and weld joint film laminating method thereof - Google Patents
Weld joint film laminating equipment and weld joint film laminating method thereof Download PDFInfo
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- CN110329574B CN110329574B CN201910663651.1A CN201910663651A CN110329574B CN 110329574 B CN110329574 B CN 110329574B CN 201910663651 A CN201910663651 A CN 201910663651A CN 110329574 B CN110329574 B CN 110329574B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
- B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
- B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a welding seam film coating device and a welding seam film coating method thereof, wherein the welding seam film coating device comprises a feeding device, a welding device and a film coating device which are arranged on the device, the feeding device comprises a feeding mechanism for feeding a protective film, and a conveying pipe for conveying the protective film is connected with the feeding mechanism; the welding device comprises a welding arm for passing through the metal plate of the tank type and welding the longitudinal side seams into a whole; the film coating device comprises a heating arm for heating the welding seam of the metal plate tank and a film coating arm for pressing the protective film output from the conveying pipe on the welding seam of the metal plate tank; according to the invention, through the matched arrangement of the heating arm and the film coating arm, the process flow of heating and film coating can be effectively realized, the protection film is ensured to be reliably attached to the longitudinal welding seam, the protection film is penetrated into the air amplifier through the penetrating feeding device, and the protection film can be continuously and pneumatically conveyed into the conveying pipe through the hydrodynamic principle of the air amplifier; has the advantages of high speed, convenience and high efficiency.
Description
Technical Field
The invention belongs to the technical field of longitudinal weld joint film coating of metal plate tanks, and particularly relates to weld joint film coating equipment and a weld joint film coating method thereof.
Background
In the food industry, in the case of sheet metal cans to be used, the use of uninterrupted protective films on the longitudinal weld seam of the can body, the clean, dense, sterile inner coverage thereof is of great importance.
In the process of manufacturing the metal can, the metal plate needs to weld the longitudinal direction of the can body and protect the longitudinal welding seam. At present, the longitudinal welding of the tank body is finished by adopting a welding arm in the prior art, but the longitudinal welding seam of the tank body is protected, a repair coating mode is usually adopted, namely, liquid coating is coated on a welding seam area in a rolling coating or spraying mode, and then a coating protection layer is formed by high-temperature baking and solidification.
Thus, the art has developed a method of applying a continuous protective film made of thermoplastic to the longitudinal weld of a sheet metal tube. Although the method makes up the defects of the coating method to a certain extent, how to make each part achieve compact, simple and orderly arrangement and assembly and whether the integral structure formed after assembly can achieve reliable and effective coating quality is always the focus of research and development for technicians in the industry.
In the feeding of the protective film, the protective film is generally a thinner material belt or film, and is generally manually fed to a required position on the machine, and is limited at the other end of the machine through a stretching device; the phenomenon of breaking easily occurs, and the production efficiency and standardization of the machine with the feeding device are not satisfied, so that waste materials are frequently generated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the welding seam laminating equipment and the welding seam laminating method thereof with high efficiency and high reliability.
The invention aims at achieving the technical scheme that the welding seam film laminating equipment comprises a feeding device, a welding device and a film laminating device, wherein the feeding device, the welding device and the film laminating device are arranged on the equipment, the feeding device comprises a feeding mechanism for feeding a protective film, and a conveying pipe for conveying the protective film is connected with the feeding mechanism; the welding device comprises a welding arm for passing through the metal plate of the tank type and welding the longitudinal side seams into a whole; the film coating device comprises a heating arm for heating the welding line of the metal plate tank and a film coating arm for pressing the protective film output from the conveying pipe on the welding line of the metal plate tank.
Preferably, the feeding device comprises an inner feeding mechanism for the inner coating film of the metal plate tank and an outer feeding mechanism for the outer coating film of the metal plate tank.
Preferably, the inner feeding mechanism comprises an inner discharging machine and a discharging assembly fixed on the frame, wherein the inner discharging machine is provided with a discharging assembly for discharging the protective film roll, the protective film on the discharging assembly penetrates into the discharging assembly, the inlet end of the discharging assembly and the discharging assembly are correspondingly distributed, and the outlet end of the discharging assembly is connected with a conveying pipe for communicating the protective film; the material blowing assembly is connected with a gas supply mechanism, and the gas supply mechanism is used for introducing air into the material blowing assembly through the material blowing assembly and pneumatically conveying the protective film into the conveying pipe.
Preferably, the blowing component comprises an air amplifier and a connecting block for connecting a conveying pipe, the connecting block is fixed at the air outlet end of the air amplifier, and the air inlet of the air amplifier is communicated with the air supply mechanism through an air pipe.
Preferably, a through hole is formed in the connecting block, one side of the through hole is sleeved with the air amplifier, a conveying pipe is inserted into the other side of the through hole, and the conveying pipe is led into the air amplifier.
Preferably, the outer feeding mechanism comprises an outer discharging machine, a discharging assembly used for discharging the protective film roll is arranged on the outer discharging machine, and the protective film on the discharging assembly penetrates into the film covering arm.
Preferably, a first roller for pressing a longitudinal weld joint of the metal plate tank is arranged at the welding position of the welding arm, and a second roller matched with the first roller is positioned above the first roller and fixed on the frame.
Preferably, one end of the conveying pipe is communicated with the feeding mechanism, the other end of the conveying pipe is positioned at the port of the film coating arm, one part of the main body of the conveying pipe is installed at the outer side edge of the welding arm, and the other part of the main body of the conveying pipe penetrates through the heating arm.
Preferably, a clip for preventing the conveying pipe from being separated from the welding arm is mounted on the welding arm at the feeding mechanism end.
Preferably, the heating arm is positioned between the welding arm and the film coating arm and is fixed, the heating arm comprises a pipe body for the metal plate tank to pass through and a conveying pipe penetrating through, and a heating component is arranged on the pipe body to heat the metal plate tank; the film coating arm comprises a fitting arm which is connected with the pipe body and used for the metal plate tank to pass through, and a film coating wheel which presses the protection film output from the conveying pipe on the longitudinal welding line of the metal plate tank is arranged on the fitting arm.
Preferably, a trimming arm is further connected between the fitting arm and the pipe body, and a smoothing block and a guide wheel are fitted on the trimming arm.
Preferably, the film laminating device further comprises a film laminating wheel which is arranged on the frame and is matched with the film laminating wheel arranged on the assembling arm at the lower position for use.
Preferably, the film laminating device further comprises a guide wheel which is arranged on the frame and is matched with the guide wheel arranged on the trimming arm at the lower position for use.
Preferably, the pipe body is provided with a plurality of mounting holes for mounting the heating component, the mounting holes are distributed at intervals along the axial direction of the pipe body, and the mounting holes are formed in the upper portion of the pipe body.
A weld lamination method using the weld lamination apparatus as described above, the weld lamination method comprising the steps of:
s1, penetrating a protective film on an inner feeding mechanism into an air amplifier and penetrating a protective film on an outer feeding mechanism into a film covering arm in a manual mode;
s2, welding the longitudinal edge of the metal plate rolled into a whole through the welding arm and the roller;
s3, the welded metal plate tank is driven by a magnetic crawler belt on the equipment, and a heating part is used for heating the welded joint of the metal plate tank on the pipe body to a temperature of +/-5 ℃ of the thermal melting point of the protective film;
s4, pushing the heated metal plate tank to the trimming arm under the drive of the magnetic crawler belt, and coating the protective film at the inner and outer welding seams of the metal plate tank under the guide press coating action of the guide wheel and the film coating wheel in sequence;
s5, automatically cutting off an uncovered protective film of the coated metal plate can under the action of the pushing speed of the can body.
Preferably, in the step S1, the protective film on the outer feeding mechanism is threaded into the air amplifier by a manual mode, then compressed air is conveyed into the air amplifier by the air supply mechanism and used as a power source, and a large amount of air around the inlet end of the blowing component is sucked into and flows to the outlet end of the blowing component, so that the protective film is pneumatically conveyed into the conveying pipe and is continuously conveyed until the protective film penetrates out of the whole conveying pipe, and at the moment, the air supply mechanism stops operating.
The beneficial effects of the invention are as follows: the welding seam laminating equipment has the advantages of simple and compact structure, and can effectively realize the technological processes of heating and laminating by the cooperation of the heating arm and the laminating arm, ensure that the protective film is reliably attached to the longitudinal welding seam, penetrate the protective film into the air amplifier by arranging the penetrating feeding device, and continuously and pneumatically convey the protective film into the conveying pipe by the hydrodynamics principle of the air amplifier; has the advantages of high speed, convenience and high efficiency.
Drawings
Fig. 1 is a schematic perspective view of a weld lamination apparatus of the present invention.
Fig. 2 is a schematic front view of the construction of the weld lamination apparatus according to the present invention in use.
Fig. 3 is a schematic diagram of a front view of the feeding device of the present invention.
Fig. 4 is a schematic front view of a blowing assembly according to the present invention.
Fig. 5 is a schematic perspective view of a film laminating apparatus according to the present invention.
The reference numerals in the drawings are respectively: 1. threading a feeding device; 2. a welding device; 3. a film covering device; 4. a delivery tube; 5. a frame; 6. a clamp; 7. a magnetic track; 8. a protective film; 9. a metal plate can; 11. an inner feeding mechanism; 12. an outer feeding mechanism; 13. a discharging assembly; 21. a welding arm; 22. a first roller; 23. a second roller; 31. a heating arm; 32. a film coating arm; 33. a dressing arm; 11-1, an internal discharging machine; 11-2, a blowing component; 11-3, trachea; 11-4, a gas supply mechanism; 11-2-1, an air amplifier; 11-2-2, connecting blocks; 11-2-3, an inlet end; 11-2-4, an outlet end; 11-2-5, through holes; 12-1, an external discharging machine; 13-1, a fixed shaft; 13-2, a discharging wheel; 31-1, a tube body; 31-2, mounting holes; 32-1, an assembly arm; 32-2, a film laminating wheel; 33-1, smoothing out the flat block; 33-2, a guide wheel.
Detailed Description
The invention will be described in detail with reference to fig. 1: the invention comprises a feeding device 1, a welding device 2 and a film covering device 3 which are arranged on equipment, wherein the feeding device 1 comprises a feeding mechanism for feeding a protective film 8, and a conveying pipe 4 which is connected with the feeding mechanism and is used for conveying the protective film 8; the welding device 2 comprises a welding arm 21 for passing through a can-type metal plate and welding longitudinal side seams into a whole; the film coating device 3 comprises a heating arm 31 for heating the welding line of the metal plate tank 9 and a film coating arm 32 for pressing the protective film 8 output from the conveying pipe 4 on the welding line of the metal plate tank 9; the heating arm and the film coating arm are matched, so that the process flow of heating and film coating can be effectively realized, the protective film is ensured to be reliably attached to the longitudinal welding seam, and the device has the advantages of simple and compact structure; the protective film is penetrated into the air amplifier by arranging the penetrating feeding device, and can be continuously and pneumatically conveyed into the conveying pipe by the fluid mechanics principle of the air amplifier; has the advantages of high speed, convenience and high efficiency.
The metal plate can 9 is a hollow tubular can body, and is a hollow tubular can body formed by rolling a metal plate and welding the metal plate to the welding arm 21, excluding a top cover and a bottom cover of the can body.
The feed-through device 1 includes an inner feed mechanism 11 for the inner coating of the sheet metal can 9 and an outer feed mechanism 12 for the outer coating of the sheet metal can 9, such as: when the inner wall of the welded joint of the metal plate tank 9 needs to be coated with the protective film 8, the feeding device 1 is an inner feeding mechanism 11 for coating the inner film of the metal plate tank 9; when the inner wall of the welded joint of the metal plate tank 9 needs to be coated with the protective film 8, the feeding device 1 is an outer feeding mechanism 12 for coating the metal plate tank 9; when the inner wall and the outer wall of the welded joint of the metal plate tank 9 are required to be coated with the protective film 8, the feeding device 1 comprises an inner feeding mechanism 11 for coating the inner film of the metal plate tank 9 and an outer feeding mechanism 12 for coating the outer film of the metal plate tank 9.
As shown in fig. 3, the inner feeding mechanism 11 comprises an inner discharging machine 11-1 and a blowing component 11-2 fixed on the frame 5, the inner discharging machine 11-1 is provided with a discharging component 13 for discharging a protective film roll, a protective film 8 on the discharging component 13 penetrates into the blowing component 11-2, an inlet end 11-2-3 of the blowing component 11-2 and the discharging component 13 are correspondingly distributed, and an outlet end 11-2-4 of the blowing component 11-2 is connected with a conveying pipe 4 for passing through the protective film 8; the blowing component is connected with an air supply mechanism 11-4, and the air supply mechanism 11-4 is used for introducing air into the blowing component 11-2 through the blowing component 11-2 and pneumatically conveying the protective film 8 into the conveying pipe 4; the air supply mechanism 11-4 is preferably an air compressor.
As shown in fig. 4, the blowing component 11-2 comprises an air amplifier 11-2-1 and a connecting block 11-2-2 for connecting the conveying pipe 4, wherein the connecting block 11-2-2 is fixed at the air outlet end of the air amplifier 11-2-1, and the air inlet of the air amplifier 11-2-1 is communicated with the air supply mechanism 11-4 through an air pipe 11-3.
A through hole 11-2-5 is arranged in the connecting block 11-2-2, one side of the through hole 11-2-5 is sleeved with the air amplifier 11-2-1, a conveying pipe 4 is inserted into the other side of the through hole 11-2-5, and the conveying pipe 4 is led into the air amplifier 11-2-1; this allows the protective film 8 from the air amplifier 11-2-1 to smoothly enter the duct 4.
In order to ensure that the air amplifier 11-2-1 pneumatically conveys the protective film 8 into the conveying pipe 4 smoothly, the position of the protective film 8 on the discharging wheel 13-2 is level with the position of the protective film 8 in the blowing component 11-2, and the protective film 8 is not easily broken due to the influence of the outside in the conveying process.
The working principle of the arrangement among the mechanisms is as follows:
firstly, placing a protective film 8 in an inner blanking machine 11-1, leading out the protective film 8 to a blanking wheel 13-2, and penetrating one end of the protective film 8 into an air amplifier 11-2-1 (namely an air flow passage of the air amplifier) in a manual mode;
secondly, compressed air generated by the air compressor is introduced into the air amplifier 11-2-1 and used as a power source, a large amount of air around the inlet end 11-2-3 of the blowing component 11-2 is sucked and flows to the outlet end 11-2-4 of the blowing component 11-2, so that the protective film 8 is pneumatically conveyed into the conveying pipe 4 and continuously conveyed until the protective film passes through the whole conveying pipe 4 and is introduced to the guide wheel 33-2 end of the trimming arm 33, and at the moment, the air compressor stops operating;
finally, when the protective film 8 on the protective film roll is used up, a new protective film roll can be timely fed by a manual mode, so that the condition that the protective film 8 in the blowing component 11-2 is not arranged is avoided.
According to the hydrodynamic principle of the air amplifier, when the protective film 8 is pneumatically conveyed, the protective film 8 is always positioned at the axial center of the blowing assembly 11-2.
The outer feeding mechanism 12 comprises an outer discharging machine 12-1, a discharging assembly 13 for discharging the protective film roll is arranged on the outer discharging machine 12-1, and the protective film 8 on the discharging assembly 13 is penetrated into the position of the film covering arm 32.
The discharging assembly 13 comprises a fixed shaft 13-1 and a discharging wheel 13-2, the discharging wheel 13-2 is connected to the fixed shaft 13-1, the fixed shaft 13-1 is fixed to a discharging machine, a protective film roll is placed in the discharging machine, and the protective film 8 is led out to the discharging wheel 13-2.
A first roller 22 for pressing the longitudinal weld of the metal plate tank 9 is arranged at the welding position of the welding arm 21, and a second roller 23 matched with the first roller 22 is positioned above the first roller 22 and fixed on the frame 5; the longitudinal edge seam of the can-type metal plate material from the welding arm 21 is welded into a whole by the interaction of the first roller 22 and the second roller 23 and the welding of the welding arm 21.
One end of the conveying pipe 4 is communicated with the feeding mechanism, the other end of the conveying pipe is positioned at the port of the film coating arm 32, one part of the main body of the conveying pipe 4 is arranged at the outer side edge of the welding arm 21, and the other part of the main body of the conveying pipe penetrates through the heating arm 31. The conveying pipe 4 is used on the inner feeding mechanism 11, and the conveying pipe 4 can be a metal pipe for internally arranging a protective film, in the embodiment, a copper pipe is preferred, and the protective film can be prevented from being directly heated by a heating component after being arranged in the copper pipe.
In order to prevent loosening of the conveying pipe 4 on the welding arm 21, a clamp 6 for preventing the conveying pipe 4 from being separated from the welding arm 21 is mounted on the welding arm 21 at the feeding mechanism end.
The heating arm 31 is positioned between the welding arm 21 and the film coating arm 32 and is fixed, the heating arm 31 comprises a pipe body 31-1 for the metal plate tank 9 to pass through, and a conveying pipe 4 internally penetrating through the pipe body 31-1, and a heating component is assembled on the pipe body 31-1 to heat the metal plate tank 9; the film coating arm 32 includes a fitting arm 32-1 connected to the pipe body 31-1 for passing the sheet metal can 9, and a film coating wheel 32-2 for pressing the protective film 8 outputted from the delivery pipe 4 onto a longitudinal weld of the sheet metal can 9 is mounted on the fitting arm 32-1.
As shown in fig. 5, a trimming arm 33 is further connected between the fitting arm 32-1 and the pipe body 31-1, and the fitting arm 32-1 and the trimming arm 33 together form a film covering arm 32; the trimming arm 33 is provided with a smoothing block 33-1 and a guide wheel 33-2.
The trimming arm 33 is provided with a smoothing block 33-1 and a guide wheel 33-2. Of course, in other embodiments, the smoothing block 33-1 or the guide wheel 33-2 may be separately assembled. After the smoothing block 33-1 and the guide wheel 33-2 are assembled at the same time, the protective film 8 can be smoothed more and conveyed forward smoothly according to the guiding direction of the guide wheel 33-2.
The smoothing block 33-1 is used for smoothing out the protective film 8 output from the conveying pipe 4, and the guide wheel 33-2 is used for guiding and outputting the protective film 8 output from the conveying pipe 4 to the film covering wheel 32-2.
The film laminating device 3 also comprises a film laminating wheel 32-2 which is arranged on the frame 5 and is matched with the film laminating wheel 32-2 arranged on the assembling arm 32-1 at the lower position for use.
The laminating device 3 also comprises a guide wheel 33-2 which is arranged on the frame 5 and is matched with the guide wheel 33-2 arranged on the trimming arm 33 at the lower position for use.
The inner side and the outer side of the longitudinal weld joint of the metal plate tank 9 can be coated by two coating wheels 32-2 arranged up and down and two guide wheels 33-2 arranged up and down. Of course, in order to realize the film coating on the inner side of the longitudinal welding seam, the lower film coating wheel and the lower guide wheel can be independently arranged. Meanwhile, in other embodiments, the upper and lower laminating wheels and the lower guide wheels can be arranged.
In the film coating process, the metal plate can 9 is driven by the magnetic crawler 7 of the device to have a required advancing speed. In the present invention, the film laminating wheel is not actively operated, and a driver is not required to drive the film laminating wheel to rotate, and the rotation power is from the belt power generated when the sheet metal tank 9 is operated.
The tube body 31-1 is provided with a plurality of mounting holes 31-2 for mounting heating components (not shown), the mounting holes 31-2 are axially spaced along the tube body 31-1, and the mounting holes 31-2 are provided at the upper portion of the tube body 31-1. The heating component is at least one of an electromagnetic induction heater, an electric heating tube and an infrared heater, is easy to purchase and is convenient to assemble.
A weld lamination method using a weld lamination apparatus, as shown in fig. 2, the weld lamination method comprising the steps of:
s1, penetrating a protective film 8 on an inner feeding mechanism 11 into an air amplifier 11-2-1 and penetrating a protective film 8 on an outer feeding mechanism 12 to a film covering arm 32 in a manual mode;
s2, welding the longitudinal edge of the metal plate rolled into a pot through the welding arm 21 and the roller;
s3, the welded metal plate tank 9 is driven by a magnetic crawler belt 7 on the equipment, and a heating part is used for heating the welded joint of the metal plate tank 9 on the pipe body 31-1 to the heat melting point of the protective film 8 of +/-5 ℃;
s4, pushing the heated metal plate tank 9 to the trimming arm 33 under the drive of the magnetic crawler belt 7, and coating the inner and outer welding seams of the metal plate tank 9 with the protective film 8 under the guide pressing effect of the guide wheel 33-2 and the film coating wheel 32-2 in sequence;
s5, automatically cutting off the uncovered protective film 8 by the coated metal plate tank 9 under the action of the pushing speed of the tank body.
In the step S1, the protective film 8 on the outer feeding mechanism 12 is penetrated into the air amplifier 11-2-1 manually, then compressed air is conveyed into the air amplifier 11-2-1 through the air supply mechanism 11-4 and used as a power source, a large amount of air around the inlet end 11-2-3 of the blowing component 11-2 is sucked into and flows to the outlet end 11-2-4 of the blowing component 11-2, so that the protective film 8 is pneumatically conveyed into the conveying pipe 4 and can be continuously conveyed until the protective film passes out of the whole conveying pipe 4 and is introduced into the guide wheel 33-2 end of the trimming arm 33, and at the moment, the air supply mechanism 11-4 stops operating.
The speed of producing the tank body covered with the protective film by the welding seam film covering equipment is 400-1000 tanks/min; heating to the thermal melting point of the protective film 8 + -5 ℃; generally heating to 170+ -5deg.C.
The present invention is not limited to the above embodiments, and any modification of the structural design provided by the present invention, regardless of any changes in shape or material composition, should be considered as being within the scope of the present invention.
Claims (8)
1. A weld lamination apparatus, characterized in that: the welding device comprises a feeding device (1), a welding device (2) and a film laminating device (3) which are arranged on equipment, wherein the feeding device (1) comprises a feeding mechanism for feeding a protective film (8), and a conveying pipe (4) for conveying the protective film (8) is connected with the feeding mechanism; the welding device (2) comprises a welding arm (21) for passing through a metal plate of a tank type and welding longitudinal side seams into a whole; the film coating device (3) comprises a heating arm (31) for heating the welding line of the metal plate tank (9), and a film coating arm (32) for pressing the protective film (8) output from the conveying pipe (4) on the welding line of the metal plate tank (9); the feeding device (1) comprises an inner feeding mechanism (11) for inner coating of the metal plate tank (9) and an outer feeding mechanism (12) for outer coating of the metal plate tank (9); the inner feeding mechanism (11) comprises an inner discharging machine (11-1) and a discharging assembly (11-2) fixed on the frame (5), wherein the inner discharging machine (11-1) is provided with a discharging assembly (13) for discharging a protective film roll, a protective film (8) on the discharging assembly (13) penetrates into the discharging assembly (11-2), an inlet end (11-2-3) of the discharging assembly (11-2) and the discharging assembly (13) are correspondingly distributed, and an outlet end (11-2-4) of the discharging assembly (11-2) is connected with a conveying pipe (4) for communicating the protective film (8); the blowing component is connected with an air supply mechanism (11-4), and the air supply mechanism (11-4) is used for introducing air into the blowing component (11-2) through the blowing component (11-2) and pneumatically conveying the protective film (8) into the conveying pipe (4); the blowing component (11-2) comprises an air amplifier (11-2-1) and a connecting block (11-2-2) for connecting a conveying pipe (4), wherein the connecting block (11-2-2) is fixed at the air outlet end of the air amplifier (11-2-1), and an air inlet of the air amplifier (11-2-1) is communicated with the air supply mechanism (11-4) through an air pipe (11-3); a through hole (11-2-5) is formed in the connecting block (11-2-2), one side of the through hole (11-2-5) is sleeved with the air amplifier (11-2-1), a conveying pipe (4) is inserted into the other side of the through hole (11-2-5), and the conveying pipe (4) is led into the air amplifier (11-2-1); the heating arm (31) is positioned between the welding arm (21) and the film coating arm (32) and is fixed, the heating arm (31) comprises a pipe body (31-1) for a metal plate tank (9) to pass through, and a conveying pipe (4) internally penetrating through the pipe body (31-1), and a heating component is assembled on the pipe body (31-1) to heat the metal plate tank (9); the film coating arm (32) comprises a fitting arm (32-1) which is connected with the pipe body (31-1) and used for the metal plate tank (9) to pass through, and a film coating wheel (32-2) which presses the protective film (8) output from the conveying pipe (4) onto the longitudinal welding line of the metal plate tank (9) is arranged on the fitting arm (32-1); a trimming arm (33) is further connected between the fitting arm (32-1) and the pipe body (31-1), and a smoothing block (33-1) and a guide wheel (33-2) are fitted on the trimming arm (33); the film laminating device (3) also comprises a film laminating wheel (32-2) which is arranged on the frame (5) and is matched with the film laminating wheel (32-2) arranged on the assembling arm (32-1) at the lower position for use, wherein the position is above; the film laminating device (3) also comprises a guide wheel (33-2) which is arranged on the frame (5) and is matched with the guide wheel (33-2) arranged on the trimming arm (33) at the lower position for use.
2. The weld lamination apparatus of claim 1, wherein: the outer feeding mechanism (12) comprises an outer discharging machine (12-1), a discharging assembly (13) for discharging the protective film roll is arranged on the outer discharging machine (12-1), and the protective film (8) on the discharging assembly (13) is penetrated into a film covering arm (32).
3. The weld lamination apparatus of claim 1, wherein: the welding position of the welding arm (21) is provided with a first roller (22) for pressing and covering a longitudinal welding line of the metal plate tank (9), and a second roller (23) matched with the first roller (22) is positioned above the first roller (22) and fixed on the frame (5).
4. The weld lamination apparatus of claim 1, wherein: one end of the conveying pipe (4) is communicated with the feeding mechanism, the other end of the conveying pipe is positioned at the port of the film covering arm (32), one part of the main body of the conveying pipe (4) is installed at the outer side edge of the welding arm (21), and the other part of the main body of the conveying pipe penetrates through the heating arm (31).
5. The weld lamination apparatus of claim 4, wherein: and a clamp (6) for preventing the conveying pipe (4) from being separated from the welding arm (21) is arranged on the welding arm (21) at the feeding mechanism end.
6. The weld lamination apparatus of claim 1, wherein: a plurality of mounting holes (31-2) are formed in the pipe body (31-1) for mounting the heating component, the mounting holes (31-2) are axially distributed at intervals along the pipe body (31-1), and the mounting holes (31-2) are formed in the upper portion of the pipe body (31-1).
7. A weld lamination method using the weld lamination apparatus according to any one of claims 1 to 6, characterized in that: the welding seam film coating method comprises the following steps:
s1, penetrating a protective film (8) on an inner feeding mechanism (11) into an air amplifier (11-2-1) and penetrating the protective film (8) on an outer feeding mechanism (12) to a film covering arm (32) in a manual mode;
s2, welding the longitudinal edge of the metal plate rolled into a tank into a whole through a welding arm (21) and a roller;
s3, under the drive of a magnetic crawler belt (7) on the equipment, the welded metal plate tank (9) is driven by a heating part on a pipe body (31-1) to heat the welded joint of the metal plate tank (9) and to heat the metal plate tank to a thermal melting point of +/-5 ℃ of a protective film (8);
s4, pushing the heated metal plate tank (9) to a trimming arm (33) under the drive of a magnetic crawler belt (7), and coating a protective film (8) at the inner and outer welding seams of the metal plate tank (9) under the guide pressing effect of a guide wheel (33-2) and a film coating wheel (32-2) in sequence;
s5, automatically cutting off an uncovered protective film (8) of the coated metal plate tank (9) under the action of the pushing speed of the tank body.
8. The weld lamination method of the weld lamination apparatus according to claim 7, characterized in that: in the step S1, the protective film (8) on the outer feeding mechanism (12) is penetrated into the air amplifier (11-2-1) manually, then compressed air is conveyed into the air amplifier (11-2-1) through the air supply mechanism (11-4) and used as a power source, and a large amount of air around the inlet end (11-2-3) of the blowing component (11-2) is sucked and flows to the outlet of the blowing component (11-2)
At the mouth end (11-2-4), so that the protective film (8) is pneumatically conveyed into the conveying pipe (4) and can be conveyed continuously,
until the whole conveying pipe (4) is penetrated out, at the moment, the air supply mechanism (11-4) stops operating.
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| US4126718A (en) * | 1977-03-24 | 1978-11-21 | H. C. Price Co. | Applying mastic alongside weld bead |
| US4388891A (en) * | 1980-10-07 | 1983-06-21 | Paul Opprecht | Apparatus for applying a protective coating to the welding or solder seam of can bodies |
| CN1088489A (en) * | 1992-12-24 | 1994-06-29 | 埃尔帕特朗尼股份公司 | The coating process of can seam and device thereof |
| CN101668595A (en) * | 2007-01-11 | 2010-03-10 | 厄恩斯特·M·弗雷 | Internal weld seam protection for cans |
| CN106428736A (en) * | 2016-09-20 | 2017-02-22 | 浙江义腾特种钢管有限公司 | Full-automatic film laminating machine for steel tubes |
| CN108190167A (en) * | 2017-12-28 | 2018-06-22 | 宁波聚思自动化有限公司 | Card device for labeling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20131777A1 (en) * | 2013-10-24 | 2015-04-25 | Saipem Spa | METHOD AND DEVICE FOR APPLYING A PROTECTIVE SHEET OF POLYMERIC MATERIAL WITH A PIPE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126718A (en) * | 1977-03-24 | 1978-11-21 | H. C. Price Co. | Applying mastic alongside weld bead |
| US4388891A (en) * | 1980-10-07 | 1983-06-21 | Paul Opprecht | Apparatus for applying a protective coating to the welding or solder seam of can bodies |
| CN1088489A (en) * | 1992-12-24 | 1994-06-29 | 埃尔帕特朗尼股份公司 | The coating process of can seam and device thereof |
| CN101668595A (en) * | 2007-01-11 | 2010-03-10 | 厄恩斯特·M·弗雷 | Internal weld seam protection for cans |
| CN106428736A (en) * | 2016-09-20 | 2017-02-22 | 浙江义腾特种钢管有限公司 | Full-automatic film laminating machine for steel tubes |
| CN108190167A (en) * | 2017-12-28 | 2018-06-22 | 宁波聚思自动化有限公司 | Card device for labeling |
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| CN110329574A (en) | 2019-10-15 |
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