CN106113487B - Vortex pulse welding mechanism for plastic plate or plastic film - Google Patents
Vortex pulse welding mechanism for plastic plate or plastic film Download PDFInfo
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- CN106113487B CN106113487B CN201610724798.3A CN201610724798A CN106113487B CN 106113487 B CN106113487 B CN 106113487B CN 201610724798 A CN201610724798 A CN 201610724798A CN 106113487 B CN106113487 B CN 106113487B
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- 238000003466 welding Methods 0.000 title claims abstract description 142
- 239000002985 plastic film Substances 0.000 title claims abstract description 50
- 229920006255 plastic film Polymers 0.000 title claims abstract description 42
- 239000004033 plastic Substances 0.000 title claims abstract description 39
- 229920003023 plastic Polymers 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 87
- 238000005485 electric heating Methods 0.000 claims abstract description 84
- 238000007731 hot pressing Methods 0.000 claims abstract description 59
- 238000005452 bending Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 239000011733 molybdenum Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 14
- 238000002788 crimping Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 238000004023 plastic welding Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/38—Impulse heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The eddy current pulse welding mechanism for plastic plate or plastic film includes rectangular fixing plate, lifting regulating rod, regulating rod clamping plate, clamping plate seat, cylinder block, movable support plate, buffering fixing plate, left and right heating plates and hot pressing welding head; one end of the lifting adjusting rod is fixedly connected with the rectangular fixing plate through the adjusting rod bottom plate; the cylinder body is fixedly arranged above the clamping plate base, the movable supporting plate comprises a movable supporting plate main body and a bending head, the lower part of the movable supporting plate main body is in embedded sliding connection with the upper part of the cylinder body, and the bending head is connected with the buffering fixing plate; the left heating plate and the right heating plate are arranged above the heat insulation plate, the hot-pressing welding head is arranged above the front parts of the left heating plate and the right heating plate, the hot-pressing welding head comprises a left electric heating bar, a right electric heating bar and a hot-pressing welding head end part, and the hot-pressing welding head is made of high-melting-point pure metal titanium or molybdenum; the beneficial effects of the invention are as follows: the heating is fast, the cooling is fast, the strength is high, and the technical requirements of the modern plastic welding process can be met.
Description
Technical Field
The invention relates to a plastic plate or plastic film welding mechanism, in particular to a plastic plate or plastic film vortex pulse welding mechanism, and belongs to the technical field of automatic welding equipment of an automobile glove box in a workshop.
Background
The existing plastic welding technology generally utilizes a common electric heating pipe to heat and weld plastic products. As shown in fig. 7, the existing plastic welding mechanism comprises a fixing bolt, a connecting rod, a stainless steel heat insulation pipe and a hot-pressing welding head, wherein the connecting rod is arranged in the middle of the plastic welding mechanism, the upper end of the connecting rod is connected with the fixing bolt, the lower end of the connecting rod is connected with the hot-pressing welding head through the stainless steel heat insulation pipe, and the common electric heating pipe is arranged in the hot-pressing welding head. The structure has the advantages of high energy consumption, slow heating, slow cooling and low strength, and cannot meet the technical requirements of the modern plastic welding process.
Disclosure of Invention
The invention aims at overcoming the defects that the prior art of the plastic plate or plastic film welding mechanism has high energy consumption, slow heating, slow cooling and low strength and cannot meet the technical requirements of the modern plastic welding process, and provides the plastic plate or plastic film vortex pulse welding mechanism which can achieve the purposes of fast heating, fast cooling and high strength and can meet the technical requirements of the modern plastic welding process.
The technical scheme adopted by the invention for realizing the purpose is as follows: the plastic plate or plastic film vortex pulse welding mechanism comprises a fixing part, a connecting part, a heat insulation part and a heat welding part;
the fixing part is a rectangular fixing plate, the connecting part comprises an adjusting rod bottom plate, a lifting adjusting rod, an adjusting rod clamping plate and a clamping plate base, the heat insulating part is a rectangular heat insulating plate, and the heat welding part comprises a left heating plate, a right heating plate and a heat pressing welding head; the device also comprises an air cylinder moving structure, wherein the air cylinder moving structure comprises an air cylinder, an air cylinder rod, a moving supporting plate and a buffering fixing plate;
the adjusting rod bottom plate is fixedly connected with the rectangular fixing plate, and one end of the lifting adjusting rod is fixedly connected with the adjusting rod bottom plate; the adjusting rod clamping plate is in clamping connection with the lifting adjusting rod, and the bottom of the adjusting rod clamping plate is fixedly connected with the clamping plate base; the air cylinder is fixedly arranged above the clamping plate base, and the buffer fixing plate is fixedly connected to the front end of the air cylinder rod; the movable supporting plate is a bending plate and comprises a movable supporting plate main body and a bending head, the lower surface of the movable supporting plate main body and the upper surface of the air cylinder are both planes, the lower surface of the movable supporting plate main body and the upper surface of the air cylinder are in embedded sliding connection, and the bending head is fixedly connected with the upper part of the buffering fixing plate;
the left heating plate and the right heating plate are identical in shape and size and are symmetrically arranged left and right; the left heating plate and the right heating plate are arranged above the rectangular heat insulation plate and are fixedly connected; the rear end of the left heating plate is provided with a power supply incoming line positive electrode wiring hole, and the rear end of the right heating plate is provided with a power supply incoming line negative electrode wiring hole;
the hot-press welding heads are arranged above the front parts of the left heating plate and the right heating plate, and can be flat-head-shaped hot-press welding heads or round-head-shaped hot-press welding heads; the flat head-shaped hot-press welding head and the round head-shaped hot-press welding head respectively comprise a left electric heating strip, a right electric heating strip and hot-press welding head end parts, wherein the left electric heating strip and the right electric heating strip are identical in shape and size and are symmetrically arranged left and right, and the inner sides of the rear parts of the left electric heating strip and the right electric heating strip are parallel to each other; the end parts of the hot-pressing welding heads are front end connecting parts of the left electric heating strip and the right electric heating strip; the rear lower parts of the left electric heating strip and the right electric heating strip are respectively connected with the rear upper parts of the left heating plate and the right heating plate in a welding way;
the hot-pressing welding head is made of high-melting-point pure metal titanium or high-melting-point pure metal molybdenum; the left heating plate and the right heating plate are made of copper materials;
the power supply is connected with the positive wiring hole of the power supply inlet wire and the negative wiring hole of the power supply inlet wire through the wiring hole of the power supply inlet wire, and the high current is introduced to enable the hot-pressing welding head to generate heat in a very short time, the contact surface of the hot-pressing welding head heats, so that the pressed plastic plate or plastic film product is instantly heated for a short time, then is powered off, and is instantly cooled, and the welding surface is fused under the pushing and pressurizing of the heating and air cylinder at the moment, so that the welding purpose of the plastic plate or plastic film product is achieved.
The hot-pressing welding head is a flat head-shaped hot-pressing welding head, the flat head-shaped hot-pressing welding head is in a strip shape, and the thickness of the strip shape of the flat head-shaped hot-pressing welding head is 3-10mm; the end part of the hot-pressing welding head of the flat hot-pressing welding head is flat; the front inner side edges of the left electric heating strip and the right electric heating strip of the flat head-shaped hot-pressing welding head are outwards opened, and the included angle between the two inner side edges is 6-16 degrees; the outer side edges of the middle front parts of the left electric heating strip and the right electric heating strip are folded inwards, and the included angle between the two outer side edges is 15-25 degrees;
the thickness of the strip-shaped hot-pressing welding head is 6mm; the included angle between the two inner sides of the front parts of the left electric heating plate and the right electric heating plate of the ribbon-shaped hot-pressing welding head is 10 degrees, and the included angle between the two outer sides of the middle front parts of the left electric heating plate and the right electric heating plate of the ribbon-shaped hot-pressing welding head is 19 degrees.
The hot-press welding head is a round-head-shaped hot-press welding head, the left electric heating strip and the right electric heating strip of the round-head-shaped hot-press welding head are in a strip shape, and the end part of the hot-press welding head of the round-head-shaped hot-press welding head is round; the rear parts of the outer side edges of the left electric heating strip and the right electric heating strip of the round head-shaped hot-pressing welding head are convex circular arcs, and the front parts of the outer side edges of the left electric heating strip and the right electric heating strip of the round head-shaped hot-pressing welding head are cylindrical cambered surfaces; the front inner side edges of the left electric heating strip and the right electric heating strip of the round head type hot-pressing welding head are outwards opened, and the included angle between the two inner side edges is 20-26 degrees.
The front inner side edges of the left electric heating strip and the right electric heating strip of the round head-shaped hot-pressing welding head are outwards opened, and the included angle between the two inner side edges is 23 degrees.
The specification of the high-melting-point pure metal titanium is TC4, and the resistivity is 1.702 mu omega-m.
The instant heating temperature of the crimping plastic plate or plastic film product is 300-600 ℃, and the heating time is 1-4 seconds.
The crimping plastic plate or plastic film product is made of polystyrene PS material, the instant heating temperature is 300-400 ℃, and the heating time is 1-2 seconds.
The crimping plastic plate or plastic film product is made of polyvinyl chloride PVC material, the instant heating temperature is 401-500 ℃, and the heating time is 2-3 seconds.
The crimping plastic plate or plastic film product is made of polycarbonate PC material, the instant heating temperature is 501-600 ℃, and the heating time is 3-4 seconds.
Vortex pulse welding principle: in the welding process of the plastic plate or the plastic film, a mode of heating and instantaneously cooling the contact surface of the hot-pressing welding head is adopted, and when the temperature is raised to the melting point of the plastic, the plastic is melted and shaped again. The power supply is connected with the power supply inlet wire positive electrode wiring hole and the power supply inlet wire negative electrode wiring hole of the left heating plate and the right heating plate for electrifying, and the heating principle is that the heating welding mode is realized by the Joule heat generated when pulse current flows through high-resistance materials such as titanium, molybdenum and the like. Because of the special design of the hot-pressing welding head, the thickness of the hot-pressing welding head is small, the head is smaller, the cross section area of the head is small, the current can pass through the cross section with the smallest resistance, so that the resistance value is high, high heat can be generated instantaneously when high current flows, the end part of the hot-pressing welding head can quickly generate heat, the compaction welding of a plastic plate or a plastic film is completed, then the plastic plate or the plastic film is quickly cooled, and the welding surface is fused under heating and pressurizing. Energy loss: 220V is input and 3V is output; all plastic materials can be welded.
Compared with the prior art, the invention has the beneficial effects that:
the heat pressing welding head has small thickness and small head section area, and the current can pass through the section with the smallest resistance to ensure that the resistance is high, and high heat can be instantaneously generated when high current flows, so that the head of the heat pressing welding head rapidly heats, and the compaction welding of a plastic plate or a plastic film is completed, thereby achieving the technical requirements of the modern plastic welding process, and having rapid heating, rapid cooling and high strength; all plastic materials can be welded.
Drawings
Fig. 1-1 is: embodiment 1 front view;
fig. 1-2 are: example 1 perspective view;
fig. 2 is: an adjusting rod bottom plate and a lifting adjusting rod are assembled into a front view;
fig. 3 is: an assembled perspective view of the adjusting rod clamping plate and the clamping plate base;
fig. 4 is: front view of left heating plate and right heating plate;
fig. 5-1 is: example 1a front view of a hot press bonding tool;
fig. 5-2 is: example 1 right side view of a thermo-compression bonding tool;
fig. 5-3 are: FIG. 5-1A is an enlarged view;
fig. 5-4 are: fig. 5-2B is an enlarged view;
fig. 6-1 is: example 2 perspective view;
fig. 6-2 is: a perspective enlarged view of the hot press welding head in example 2;
fig. 7 is: prior art figures.
Reference numerals illustrate: the heat insulation plate comprises a fixing part 1, an adjusting rod bottom plate 2, a lifting adjusting rod 3, an adjusting rod clamping plate 4, a clamping plate base 5, a heat insulation part 6, a heat welding part 7, a left heating plate 701, a power inlet positive electrode wiring hole 701A, a right heating plate 702, a power inlet negative electrode wiring hole 702A, a heat pressing welding head 703, a flat head heat pressing welding head 703A, a round head heat pressing welding head 703B, a left electric heating bar 7031, a right electric heating bar 7032, a heat pressing welding head end 7033, a cylinder moving structure 8, a cylinder 801, a cylinder rod 802, a moving support plate 803, a moving support plate main body 8031, a bending head 8032 and a buffering fixing plate 804.
Detailed Description
The invention will now be further described with reference to the drawings and specific examples, which are not intended to limit the invention.
Example 1:
as shown in fig. 1-1 to 5-4, the plastic plate or plastic film vortex pulse welding mechanism includes a fixing member 1, a connecting member, a heat insulating member 6, and a heat welding member 7;
the fixing part 1 is a rectangular fixing plate, the connecting part comprises an adjusting rod bottom plate 2, a lifting adjusting rod 3, an adjusting rod clamping plate 4 and a clamping plate base 5, the heat insulation part 6 is a rectangular heat insulation plate, and the heat welding part 7 comprises a left heating plate 701, a right heating plate 702 and a heat pressing welding head 703; the device further comprises a cylinder moving structure 8, wherein the cylinder moving structure 8 comprises a cylinder 801, a cylinder rod 802, a moving supporting plate 803 and a buffer fixing plate 804;
the adjusting rod bottom plate 2 is fixedly connected with the rectangular fixing plate, and one end of the lifting adjusting rod 3 is fixedly connected with the adjusting rod bottom plate 2; the adjusting rod clamping plate 4 is in clamping connection with the lifting adjusting rod 3, and the bottom of the adjusting rod clamping plate 4 is fixedly connected with the clamping plate base 5; the cylinder 801 is fixedly arranged above the clamping plate base 5, and the buffer fixing plate 804 is fixedly connected to the front end of the cylinder rod 802; the movable supporting plate 803 is a bending plate and comprises a movable supporting plate main body 8031 and a bending head 8032, the lower surface of the movable supporting plate main body 8031 and the upper surface of the cylinder 801 are both planes, the lower surface of the movable supporting plate main body 8031 and the upper surface of the cylinder 801 are in embedded sliding connection, and the bending head 8032 is fixedly connected with the upper part of the buffering fixing plate 804;
the left heating plate 701 and the right heating plate 702 are identical in shape and size and are symmetrically arranged left and right, and the length, the width and the height of the left heating plate 701 and the right heating plate 702 are respectively 64-84, 10-20 and 6-10mm; the left heating plate 701 and the right heating plate 702 are arranged above the rectangular heat insulation plate and are fixedly connected; the rear end of the left heating plate 701 is provided with a power supply incoming line positive electrode wiring hole 701A, and the rear end of the right heating plate 702 is provided with a power supply incoming line negative electrode wiring hole 702A;
the hot-press welding heads 703 are arranged above the front sides of the left heating plate 701 and the right heating plate 702, and the hot-press welding heads 703 are flat-head-shaped hot-press welding heads 703A; the flat head-shaped hot press welding head 703A comprises a left electric heating strip 7031, a right electric heating strip 7032 and a hot press welding head end portion 7033, wherein the left electric heating strip 7031 and the right electric heating strip 7032 are identical in shape and size, are symmetrically arranged left and right, and the inner sides of the rear parts of the left electric heating strip 7031 and the right electric heating strip 7032 are parallel to each other; the hot press welding head end 7033 is a front end connecting part of a left electric heating bar 7031 and a right electric heating bar 7032; the rear lower parts of the left electric heating strip 7031 and the right electric heating strip 7032 are respectively welded with the rear upper parts of the left heating plate 701 and the right heating plate 702;
the hot-pressing welding head 703 is made of high-melting-point pure metal titanium; the titanium metal material has a specification of TC4 and a resistivity of 1.702 mu Ω & m.
The left heating plate 701 and the right heating plate 702 are made of copper material;
the power supply is connected with the power supply inlet positive electrode wiring hole 701A and is electrified with the power supply inlet negative electrode wiring hole 702A, and strong current is introduced to enable the hot-pressing welding head 703 to generate heat in a very short time, the contact surface of the hot-pressing welding head 703 generates heat, so that a pressed plastic plate or plastic film product (not shown in the figure) is instantly heated for a short time, then is powered off and is instantly cooled, and at the moment, the welding surface is fused under the pushing and pressurizing of the heating and air cylinder 801, so that the welding purpose of the plastic plate or plastic film product is achieved.
The flat head-shaped hot-pressing welding head 703A is in a strip shape, and the thickness of the strip shape of the flat head-shaped hot-pressing welding head 703A is 6mm; the heat press head end 7033 of the flat heat press head 703A is flat; the front inner sides of the left electric heating bar 7031 and the right electric heating bar 7032 of the flat head-shaped hot-pressing welding head 703A are opened outwards, and the included angle alpha between the two inner sides is 10 degrees; the outer side edges of the middle front parts of the left electric heating strip 7031 and the right electric heating strip 7032 are folded inwards, and the included angle beta between the two outer side edges is 19 degrees;
the instant heating temperature of the crimping plastic plate or plastic film product is 300-600 ℃, and the heating time is 1-4 seconds.
The crimping plastic plate or plastic film product is made of polystyrene PS material with the melting point of 166-120 ℃, the instant heating temperature is 300-400 ℃, and the heating time is 1-2 seconds.
The welding precision of the plastic plate or the plastic film product is 0.3mm.
Example 2:
as shown in fig. 2, 3, 4, 6-1 and 6-2, the hot press welding head 703 is a round hot press welding head 703B; the left electric heating bar 7031 and the right electric heating bar 7032 of the round head-shaped hot-press welding head 703B are in a strip shape, and the hot-press welding head end 7033 of the round head-shaped hot-press welding head 703B is in a round shape; the rear parts of the outer side edges of the left electric heating strip 7031 and the right electric heating strip 7032 of the round head-shaped hot-pressing welding head 703B are convex circular arcs, and the front parts of the outer side edges of the left electric heating strip 7031 and the right electric heating strip 7032 of the round head-shaped hot-pressing welding head 703B are cylindrical cambered surfaces; the front inner sides of the left electric heating strip 7031 and the right electric heating strip 7032 of the round head-shaped hot-pressing welding head 703B are opened outwards, and the included angle theta between the two inner sides is 23 degrees.
Example 1 was followed.
Example 3:
as shown in fig. 1-1 to 5-4, the plastic plate or plastic film vortex pulse welding mechanism is characterized in that the press-connected plastic plate or plastic film product is made of polyvinyl chloride PVC material with the melting point of 150-200 ℃, the instant heating temperature is 401-500 ℃, and the heating time is 2-3 seconds.
Example 1 was followed.
Example 4:
as shown in fig. 1-1 to 5-4, the plastic plate or plastic film vortex pulse welding mechanism is made of polycarbonate PC material with a melting point of 225-250 ℃, the instant heating temperature is 501-600 ℃, and the heating time is 3-4 seconds.
Example 1 was followed.
The above examples are only four preferred embodiments of the present invention, and it is intended that the present invention includes all such common variations and substitutions as would be within the scope of the present invention.
Claims (9)
1. The utility model provides a plastics board or plastic film vortex pulse welding mechanism, includes fixed part, connecting piece, insulating part and heat welding part, its characterized in that:
the fixing part is a rectangular fixing plate, the connecting part comprises an adjusting rod bottom plate, a lifting adjusting rod, an adjusting rod clamping plate and a clamping plate base, the heat insulating part is a rectangular heat insulating plate, and the heat welding part comprises a left heating plate, a right heating plate and a heat pressing welding head; the device also comprises an air cylinder moving structure, wherein the air cylinder moving structure comprises an air cylinder body, an air cylinder rod, a moving supporting plate and a buffering fixing plate;
the adjusting rod bottom plate is fixedly connected with the rectangular fixing plate, and one end of the lifting adjusting rod is fixedly connected with the adjusting rod bottom plate; the adjusting rod clamping plate is in clamping connection with the lifting adjusting rod, and the bottom of the adjusting rod clamping plate is fixedly connected with the clamping plate base; the cylinder body is fixedly arranged above the clamping plate base, and the buffer fixing plate is fixedly connected to the front end of the cylinder rod; the movable supporting plate is a bending plate and comprises a movable supporting plate main body and a bending head, the lower surface of the movable supporting plate main body and the upper surface of the cylinder body are both planes, the lower surface of the movable supporting plate main body and the upper surface of the cylinder body are in embedded sliding connection, and the bending head is fixedly connected with the upper part of the buffering fixing plate;
the left heating plate and the right heating plate are identical in shape and size, are symmetrically arranged left and right, are arranged above the rectangular heat insulation plate and are fixedly connected; the rear end of the left heating plate is provided with a power supply incoming line positive electrode wiring hole, and the rear end of the right heating plate is provided with a power supply incoming line negative electrode wiring hole;
the hot-press welding heads are arranged above the front parts of the left heating plate and the right heating plate, and are flat-head-shaped hot-press welding heads or round-head-shaped hot-press welding heads; the hot-pressing welding head comprises a left electric heating strip, a right electric heating strip and hot-pressing welding head end parts respectively, wherein the left electric heating strip and the right electric heating strip are identical in shape and size, are symmetrically arranged left and right, and are parallel to each other at the inner sides of the rear parts of the left electric heating strip and the right electric heating strip; the end parts of the hot-pressing welding heads are front end connecting parts of the left electric heating strip and the right electric heating strip; the rear lower parts of the left electric heating strip and the right electric heating strip are respectively connected with the rear upper parts of the left heating plate and the right heating plate in a welding way;
the hot-pressing welding head is made of high-melting-point pure metal titanium or high-melting-point pure metal molybdenum;
the power supply is connected with the positive wiring hole of the power supply inlet wire and the negative wiring hole of the power supply inlet wire through the wiring hole of the power supply inlet wire, and the high current is introduced to enable the hot-pressing welding head to generate heat in a very short time, the contact surface of the hot-pressing welding head heats, so that the pressed plastic plate or plastic film product is instantly heated for a short time, then is powered off, and is instantly cooled, and the welding surface is fused under the pushing and pressurizing of the heating and air cylinder at the moment, so that the welding purpose of the plastic plate or plastic film product is achieved.
2. The plastic sheet or plastic film vortex pulse welding mechanism of claim 1, wherein: the hot-pressing welding head is a flat head-shaped hot-pressing welding head, the flat head-shaped hot-pressing welding head is in a strip shape, and the thickness of the strip shape of the flat head-shaped hot-pressing welding head is 3-10mm; the end part of the hot-pressing welding head of the flat hot-pressing welding head is flat; the front inner side edges of the left electric heating strip and the right electric heating strip of the flat head-shaped hot-pressing welding head are outwards opened, and the included angle between the two inner side edges is 6-16 degrees; the outer side edges of the middle front parts of the left electric heating strip and the right electric heating strip are folded inwards, and the included angle between the two outer side edges is 15-25 degrees.
3. The plastic sheet or plastic film vortex pulse welding mechanism of claim 2, wherein: the thickness of the strip-shaped hot-pressing welding head is 6mm; the included angle between the two inner sides of the front parts of the left electric heating plate and the right electric heating plate of the ribbon-shaped hot-pressing welding head is 10 degrees, and the included angle between the two outer sides of the middle front parts of the left electric heating plate and the right electric heating plate of the ribbon-shaped hot-pressing welding head is 19 degrees.
4. The plastic sheet or plastic film vortex pulse welding mechanism of claim 1, wherein: the hot-press welding head is a round-head-shaped hot-press welding head, the left electric heating strip and the right electric heating strip of the round-head-shaped hot-press welding head are in a strip shape, and the end part of the hot-press welding head of the round-head-shaped hot-press welding head is round; the rear parts of the outer side edges of the left electric heating strip and the right electric heating strip of the round head-shaped hot-pressing welding head are convex circular arcs, and the front parts of the outer side edges of the left electric heating strip and the right electric heating strip of the round head-shaped hot-pressing welding head are cylindrical cambered surfaces; the front inner side edges of the left electric heating strip and the right electric heating strip of the round head type hot-pressing welding head are outwards opened, and the included angle between the two inner side edges is 20-26 degrees.
5. The plastic sheet or plastic film vortex pulse welding mechanism of claim 4, wherein: the front inner side edges of the left electric heating strip and the right electric heating strip of the round head-shaped hot-pressing welding head are outwards opened, and the included angle between the two inner side edges is 23 degrees.
6. The plastic sheet or plastic film vortex pulse welding mechanism of claim 1, wherein: the instant heating temperature of the crimping plastic plate or plastic film product is 300-600 ℃, and the heating time is 1-4 seconds.
7. The plastic sheet or plastic film vortex pulse welding mechanism of claim 6, wherein: the crimping plastic plate or plastic film product is made of polystyrene PS material, the instant heating temperature is 300-400 ℃, and the heating time is 1-2 seconds.
8. The plastic sheet or plastic film vortex pulse welding mechanism of claim 6, wherein: the crimping plastic plate or plastic film product is made of polyvinyl chloride PVC material, the instant heating temperature is 401-500 ℃, and the heating time is 2-3 seconds.
9. The plastic sheet or plastic film vortex pulse welding mechanism of claim 6, wherein: the crimping plastic plate or plastic film product is made of polycarbonate PC material, the instant heating temperature is 501-600 ℃, and the heating time is 3-4 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724798.3A CN106113487B (en) | 2016-08-24 | 2016-08-24 | Vortex pulse welding mechanism for plastic plate or plastic film |
Applications Claiming Priority (1)
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| CN112092087B (en) * | 2018-04-10 | 2022-09-20 | 微山县永大包装材料有限公司 | Electric heating knife device for high-temperature electric heating film of packaging material |
| CN112140567A (en) * | 2019-06-26 | 2020-12-29 | 上海斯纳普膜分离科技有限公司 | Eddy current welding machine and welding method of flat filter membrane element |
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| GB201108589D0 (en) * | 2011-05-20 | 2011-07-06 | L C S Tech Ltd | Three dimensional and continuous configurational heat soldering |
| CN102285115A (en) * | 2011-06-15 | 2011-12-21 | 济南德佳机器有限公司 | Plastic section mullion Y-shape welder and welding method |
| JP2014004729A (en) * | 2012-06-22 | 2014-01-16 | Munekata Industrial Machinery Co Ltd | Thermal welding device |
| CN105058779A (en) * | 2015-08-28 | 2015-11-18 | 高精科技(苏州)有限公司 | Quick pulse welding device |
| JP2016141101A (en) * | 2015-02-04 | 2016-08-08 | ムネカタインダストリアルマシナリー株式会社 | Heat welding device |
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| GB201108589D0 (en) * | 2011-05-20 | 2011-07-06 | L C S Tech Ltd | Three dimensional and continuous configurational heat soldering |
| CN102285115A (en) * | 2011-06-15 | 2011-12-21 | 济南德佳机器有限公司 | Plastic section mullion Y-shape welder and welding method |
| JP2014004729A (en) * | 2012-06-22 | 2014-01-16 | Munekata Industrial Machinery Co Ltd | Thermal welding device |
| JP2016141101A (en) * | 2015-02-04 | 2016-08-08 | ムネカタインダストリアルマシナリー株式会社 | Heat welding device |
| CN105058779A (en) * | 2015-08-28 | 2015-11-18 | 高精科技(苏州)有限公司 | Quick pulse welding device |
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