CN111319269A - Jointing device of thermoplastic composite board and jointing method using same - Google Patents
Jointing device of thermoplastic composite board and jointing method using same Download PDFInfo
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- CN111319269A CN111319269A CN201811524731.0A CN201811524731A CN111319269A CN 111319269 A CN111319269 A CN 111319269A CN 201811524731 A CN201811524731 A CN 201811524731A CN 111319269 A CN111319269 A CN 111319269A
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- thermoplastic composite
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- 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
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- 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
- B29C66/43—Joining a relatively small portion of the surface of said articles
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- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a jointing device of thermoplastic composite plates and a jointing method using the same, wherein the jointing device comprises: the pressing die set comprises a first die and a second die and can form an open die state or a closed die state, and the lower thermoplastic composite plate is placed on the first die; a movable support table which supports the upper thermoplastic composite plate to move to a heating position and the first die; the heating unit comprises a heater, and the heater moves to a position between the movable supporting platform and the first die when the pressing die set is in a die opening state and the movable supporting platform is in a heating position, so as to heat the upper layer thermoplastic composite plate and the lower layer thermoplastic composite plate; and the processing unit is respectively electrically connected with and controls the pressing die set, the movable supporting platform and the heating unit to actuate. The heater of the invention can directly irradiate the joint surface to be lapped, and compared with the method of heating from the back surface and then conducting the heat source to the joint surface, the heater is easier to heat the joint surface fully and uniformly so as to be convenient for jointing.
Description
Technical Field
The present invention relates to a joining device for thermoplastic composite plates and a joining method using the same, and more particularly to a joining device and a joining method for contacting inner surfaces of two thermoplastic composite plates that can be directly heated, overlapped and pressed in a pressing mold set.
Background
The maximum processing size of thermoplastic composite panels (CFRTP, GFRTP) is about 1000m X1000 m, and if the required panel size is larger than the maximum processing size, for example, the size of the outer door panel of a refrigerator compartment is 844m wide and X1592 m high, the panel cannot be made of a single thermoplastic composite panel, and only the splicing (splice) method is used.
Generally, in the prior art, two thermoplastic composite plates are spliced together to form a large-sized panel, and the joint surface is coated with a bonding agent first, and after the bonding, the bonding can be completely cured after several hours. If laser is used for irradiation bonding, large-size bonding takes a long time, laser equipment is expensive, the precision requirement on the butt joint bonding surface is high, and a precision jig needs to be manufactured for alignment. On the other hand, if friction stirring is applied, the fiber structure at the joint is broken, and the base material strength is reduced.
Disclosure of Invention
In view of the above, the present invention is directed to a rapid bonding apparatus for directly heating the lower and upper bonding surfaces of two partially overlapped upper and lower thermoplastic composite plates in a mold in an open mold state and quenching in the mold.
In order to achieve the above object, the present invention provides a joining device for thermoplastic composite sheets, which is used to combine an upper thermoplastic composite sheet and a lower thermoplastic composite sheet into a large-sized sheet by local compression, the joining device comprising:
a pressing die set which comprises a first die and a second die which can relatively form an open die state or a closed die state, wherein a cooling water channel is arranged in the pressing die set, and the lower layer thermoplastic composite plate is placed on the first die;
a movable supporting platform, which supports the upper layer thermoplastic composite board to move to a heating position between the first mould and the second mould when the pressing mould set is in a mould opening state, and transfers the upper layer thermoplastic composite board to the first mould at the heating position, and the front section local area of the upper layer thermoplastic composite board is overlapped on the rear section local area of the lower layer thermoplastic composite board;
a heating unit, which comprises a heater, wherein the heater is moved to a working position between the movable tray and the first mold through a moving mechanism when the pressing mold set is in an open mold state and the movable tray is in the heating position, so as to heat the local bottom surface of the upper thermoplastic composite plate and the local top surface of the lower thermoplastic composite plate, and the heater is moved out of the pressing mold set through the moving mechanism; and
and the processing unit is respectively electrically connected with and controls the pressing die set, the movable supporting platform and the heating unit to actuate.
In one embodiment, the first mold has a first molding surface for receiving the lower thermoplastic composite sheet, and the second mold has a second molding surface facing the first molding surface.
In one embodiment, the heater is a strip device, and the heating area of the strip device covers the width of the overlapped area of the upper and lower thermoplastic composite plates.
In one embodiment, the heater is an infrared lamp or an electromagnetic heating coil.
In an embodiment, the joining apparatus further includes a temperature sensor for sensing a heating region of the heater, for detecting a heated temperature of the upper thermoplastic composite plate and/or the lower thermoplastic composite plate, wherein the temperature sensor is electrically connected to the processing unit, so that the processing unit obtains real-time data of the temperature sensor.
Another objective of the present invention is to provide a rapid bonding method for directly heating the lower and upper bonding surfaces of two partially overlapped upper and lower thermoplastic composite boards in a mold with an opened mold to form a better bonding strength and perform in-mold quenching subsequently.
To achieve the above object, the present invention provides a method for joining thermoplastic composite plates, comprising the steps of:
providing a joining means for said thermoplastic composite sheets;
placing the lower layer thermoplastic composite plate on the first forming die surface of the pressing die set in a die opening state;
placing the upper thermoplastic composite plate on the movable support table, wherein the bottom surface area of the front section of the upper thermoplastic composite plate is exposed out of the movable support table, and driving the movable support table to move the upper thermoplastic composite plate to the heating position;
moving the heater to the working position for heating, so that the top surface of the rear section of the lower thermoplastic composite plate is heated to form a first bonding area, and the bottom surface of the front section of the upper thermoplastic composite plate is heated to form a second bonding area;
stopping heating the heater, and moving the heater out of the pressing die set;
driving the movable support table to descend so that the upper thermoplastic composite plate is placed on the first forming die surface, and the second attaching area of the upper thermoplastic composite plate faces the first attaching area of the lower thermoplastic composite plate;
closing the pressing mold to form the mold closing state so as to mold the first bonding area and the second bonding area;
cooling water is circulated in the cooling water channel of the pressing mold group to carry out rapid cooling; and
opening the die and taking materials.
In one embodiment of the method, the step of heating the upper and lower thermoplastic composite sheets with the heater further comprises: and continuously heating for a preset time after the temperature sensor reaches a preset temperature, so that the surfaces of the first bonding area and the second bonding area are sticky.
In one embodiment of the method, wherein the predetermined temperature reached by the temperature sensing gauge is detected to be 200 ± 5 ℃, the predetermined time for the continuous heating is 5 seconds.
In one embodiment, in the step of circulating cooling water through the cooling water channel of the pressing mold set, the cooling water channel circulates cooling water for 30-60 seconds.
In one embodiment of the method, the thickness of the lower thermoplastic composite plate and the upper thermoplastic composite plate is t, after the lower thermoplastic composite plate and the upper thermoplastic composite plate are formed by die assembly, the overlapping length of the first attaching area of the lower thermoplastic composite plate and the second attaching area of the upper thermoplastic composite plate is 10-15 mm, and the overlapping total thickness is 1.4-2 t, after the lower thermoplastic composite plate passes through a bending area, the top of the non-overlapping area of the lower thermoplastic composite plate is flush with the top of the upper thermoplastic composite plate, and the length of the bending area is 0.7-1.5 t.
In one embodiment of the method, the lower thermoplastic composite sheet and the upper thermoplastic composite sheet each have a length, width and thickness of 1m and 2 mm.
To achieve the above object, the present invention provides another method for joining thermoplastic composite plates, comprising the steps of:
heating a top surface of a lower thermoplastic composite plate and a bottom surface of an upper thermoplastic composite plate by a heater to heat the top surface of the lower thermoplastic composite plate to form a first bonding area and the bottom surface of the upper thermoplastic composite plate to form a second bonding area, so that the surfaces of the first bonding area and the second bonding area are sticky;
removing the heater;
overlapping and pressing the first bonding area and the second bonding area; and
cooling the first bonding region, the second bonding region or both the first bonding region and the second bonding region.
The invention has the advantages that the heater can directly irradiate the joint surface required to be lapped, and compared with the method of heating from the back surface and then conducting the heat source to the joint surface, the invention is easier to heat the joint surface fully and uniformly so as to be convenient for jointing. The invention has higher bonding strength after hot pressing by the pressing die set. The invention can directly and rapidly heat the joint part in the mould (in a mould opening state), rapidly move out the heating unit, close the mould and press, and can also directly carry out in-mould quenching after pressing, so that the processing time required by splicing the thermoplastic composite plates is shorter, and the automatic operation can be realized. The invention adopts a process and a mechanism for directly heating and combining the joint surfaces of the upper thermoplastic composite plate and the lower thermoplastic composite plate by a heater, thereby saving the quantity of the heaters (such as heating lamp tubes), energy and required heating space. The design of the invention can select a long heater, and is suitable for splicing the thermoplastic composite plates with large sizes or thick plates. The invention can simplify the procedure of heating and forming the mold, and can be recycled, thereby having good environmental protection.
Drawings
FIG. 1 is a schematic perspective view of a joining apparatus for thermoplastic composite sheets according to an embodiment of the present invention in an open state;
FIG. 2 is a perspective view of the joining apparatus of the thermoplastic composite sheet of FIG. 1 in a closed mold state;
FIG. 3 is a schematic front view showing the movement of the heating unit in the mold-open state of the joining apparatus for thermoplastic composite sheets according to the embodiment of the present invention;
FIG. 4 is a schematic front view showing a heating operation of the heating unit in an open state of the joining apparatus for thermoplastic composite sheets according to the embodiment of the present invention;
FIG. 5 is a schematic front view of the moving pallet and the removing heater in the mold-open state of the joining apparatus for thermoplastic composite sheets according to the embodiment of the present invention;
FIG. 6 is a schematic front view showing the downward movement of the upper mold of the joining apparatus for thermoplastic composite sheets according to the embodiment of the present invention;
FIG. 7 is a schematic front view showing a closed state of a joining apparatus for thermoplastic composite sheets according to an embodiment of the present invention;
FIG. 8 is a flowchart illustrating steps in a method of joining thermoplastic composite sheets according to an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of a panel member bonded using a bonding method of thermoplastic composite panels according to an embodiment of the present invention;
fig. 10 is a flowchart illustrating the steps of a method for joining thermoplastic composite sheets according to another embodiment of the present invention.
Wherein the content of the first and second substances,
1-a joining device; 11-pressing a die set; 111-a first mold; 1111-a first forming die face; 112-a second mold; 1121-second forming die face; 113-cooling water channel; 12-moving the pallet; 121-a lifting mechanism; 13-a heating unit; 131-a heater; 132-a moving mechanism; 14-a temperature sensing meter; 15-a processing unit;
2-large-size plate; 21-lower layer thermoplastic composite board; 211-a first conformable region; 212-top of board surface; 22-upper layer thermoplastic composite board; 221-a second conformable region; 222-Top of the board surface;
a-a heating position;
b-the working position;
d-bending area;
l-the length of the overlap;
t-thickness;
w-width of the plate surface;
S11-S19-the step of the joining method of the thermoplastic composite board;
steps S21-S24-steps of another method of joining thermoplastic composite sheets.
Detailed Description
In order to further understand the present invention, the following examples are given.
Please refer to fig. 1 to 7. The joining device 1 of the thermoplastic composite board of the present embodiment is suitable for combining a lower layer thermoplastic composite board 21 and an upper layer thermoplastic composite board 22 into a large-sized board 2 by local compression, and the joining device 1 includes a pressing mold set 11, a moving pallet 12, a heating unit 13 and a processing unit 14.
The pressing mold set 11 includes a first mold 111 and a second mold 112, the first mold 111 and the second mold 112 can be relatively far away from each other to form an open mold state or relatively close to each other to form a closed mold state, and a cooling water channel 113 is disposed inside the pressing mold set 11 for water cooling in the closed mold state. The lower thermoplastic composite board 21 is placed on the first mold 111 in the mold-opened state;
the movable pallet 12, when the pressing mold set 11 is in the mold opening state, lifts the upper thermoplastic composite board 22 to move (in practice, the upper thermoplastic composite board can be moved by a lifting mechanism 121) to a heating position a between the first mold 111 and the second mold 112, and transfers the upper thermoplastic composite board 22 to the first mold 111 at the heating position a, and the front section local area of the upper thermoplastic composite board 22 is overlapped on the rear section local area of the lower thermoplastic composite board 21;
the heating unit 13 includes a heater 131, the heater 131 is moved to a working position B between the movable pallet 12 and the first mold 111 through a moving mechanism 132 when the pressing mold set 11 is in an open mold state and the movable pallet 12 is in the heating position a state, so as to heat the local bottom surface of the upper thermoplastic composite board 22 and the local top surface of the lower thermoplastic composite board 21, and the heater 131 can be moved out of the pressing mold set 11 through the moving mechanism 132 (based on the principle that the heater 131 and the moving mechanism 132 do not affect the closing operation of the pressing mold set 11);
the processing unit 15 is electrically connected to and controls the opening and closing of the pressing mold set 11, the movement of the movable pallet 12, and the movement of the heating unit 13.
In an embodiment, the first mold 111 has a first molding surface 1111 for placing the lower thermoplastic composite plate 21, the second mold 112 has a second molding surface 1121 facing the first molding surface 1111, the first molding surface 1111 can cooperate with the second molding surface 1121 to simultaneously perform press-connecting and bending molding on the overlapped region of the lower thermoplastic composite plate 21 and the upper thermoplastic composite plate 22 (such that the top 212 of the non-overlapped region of the lower thermoplastic composite plate 21 is approximately flush with the top 222 of the upper thermoplastic composite plate 22 to form a large-sized plate 2), which is worth mentioning that the "large-sized" is generally larger than the original composite plate size of the lower thermoplastic composite plate 21 and the upper thermoplastic composite plate 22, as shown in fig. 7 and 9.
In one embodiment, the heater 131 is a strip device, so that the heating area thereof can cover the width W of the overlapped area of the upper and lower thermoplastic composite plates, and practically, the heater 131 can be an infrared lamp or an electromagnetic heating coil, etc.
In an embodiment suitable for automation, the present invention further comprises a temperature sensor 14 for sensing a heated temperature value of the upper thermoplastic composite plate 22 and/or the lower thermoplastic composite plate 21 in a heating area of the heater 131, wherein the temperature sensor 14 is electrically connected to the processing unit 15, so that the processing unit 15 obtains real-time measurement data of the temperature sensor 14.
Please refer to fig. 8, which is a flowchart illustrating steps of a method for joining thermoplastic composite plates according to an embodiment of the present invention, and fig. 3 to 7 are also included. The joining method of the thermoplastic composite sheet of the present embodiment includes the steps of:
step S11, providing the aforementioned joining device 1 for thermoplastic composite boards;
step S12 (compare fig. 3), placing the lower thermoplastic composite board 21 on the first molding surface 1111 of the pressing mold set 11 in the mold opening state;
step S13 (compare fig. 3), placing the upper thermoplastic composite board 22 on the movable pallet 12, wherein the bottom area of the front section of the upper thermoplastic composite board 22 is exposed outside the movable pallet 12, and driving the movable pallet 12 to move the upper thermoplastic composite board 22 to the heating position a;
step S14 (compare fig. 4), moving the heater 131 to the working position B for heating, so that the top surface of the rear section of the lower thermoplastic composite plate 21 is heated to form a first bonding region 211, and the bottom surface of the front section of the upper thermoplastic composite plate 22 is heated to form a second bonding region 221;
step S15, detecting that the temperature sensor 14 reaches a predetermined temperature and then continuously heating for a predetermined time to make the surfaces of the first bonding region 211 and the second bonding region 221 sticky, then stopping heating the heater 131, and moving the heater 131 out of the pressing mold set 11;
step S16, driving the movable pallet 12 to descend, so that the upper thermoplastic composite board 22 is placed on the first molding surface 1111, and the second bonding area 221 of the upper thermoplastic composite board 22 faces the first bonding area 211 of the lower thermoplastic composite board 21;
step S17, closing the pressing mold set 11 to the mold closing state, so as to mold and form the first attaching region 211 and the second attaching region 221;
step S18, circulating cooling water through the cooling water channel 113 of the pressing mold set 11 for rapid cooling;
and step S19, opening the die to take out the materials, and finishing pressing the large-size plate 2.
In one embodiment, the predetermined temperature reached by the temperature sensor 14 is detected to be 200 ± 5 ℃ in the step S15, and the predetermined time for the continuous heating is 5 seconds.
In one embodiment, the step of circulating the cooling water through the cooling water channel 113 of the press mold set 11 (i.e., step S18) is performed, and the time for circulating the cooling water through the cooling water channel 113 is 30 to 60 seconds.
As shown in an embodiment, in order to maintain the flatness of the surface of the large-sized plate 2 after splicing and bonding, at least one of the lower thermoplastic composite plate 21 and the upper thermoplastic composite plate 22 having an original composition must be simultaneously bent during the mold clamping (in this embodiment, the lower thermoplastic composite plate 21 is bent), specifically, the thickness of the lower thermoplastic composite plate 21 and the upper thermoplastic composite plate 22 is t, after the lower thermoplastic composite plate 21 and the upper thermoplastic composite plate 22 are mold clamped, the total thickness of the first bonding region 211 of the lower thermoplastic composite plate 21 and the second bonding region 221 of the upper thermoplastic composite plate 22 is 1.4-2 t, the stacking length L is 10-15 mm, after the lower thermoplastic composite plate 21 passes through a bending region D, the top 212 of the lower thermoplastic composite plate is approximately flush with the top 222 of the upper thermoplastic composite plate 22, the length of the bending region D is 0.7-1.5 t. The length and width of the lower thermoplastic composite sheet 21 and the upper thermoplastic composite sheet 22 are 1m and the thickness thereof is 2mm, respectively.
As shown in fig. 10, and compare fig. 3-7 simultaneously. The joining method of the thermoplastic composite sheet according to another embodiment of the present invention comprises the steps of:
step 23, overlapping and pressing the first bonding region 211 and the second bonding region 221;
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited by the above description; therefore, all the equivalent changes and modifications made according to the claims of the present invention should be covered by the claims of the present invention.
Claims (11)
1. A joining apparatus for joining an upper thermoplastic composite sheet and a lower thermoplastic composite sheet by partial pressure bonding to form a large-sized sheet, the joining apparatus comprising:
a pressing die set which comprises a first die and a second die which can relatively form an open die state or a closed die state, wherein a cooling water channel is arranged in the pressing die set, and the lower layer thermoplastic composite plate is placed on the first die;
a movable supporting platform, which supports the upper layer thermoplastic composite board to move to a heating position between the first mould and the second mould when the pressing mould set is in a mould opening state, and transfers the upper layer thermoplastic composite board to the first mould at the heating position, and the front section local area of the upper layer thermoplastic composite board is overlapped on the rear section local area of the lower layer thermoplastic composite board;
a heating unit, which comprises a heater, wherein the heater is moved to a working position between the movable tray and the first mold through a moving mechanism when the pressing mold set is in an open mold state and the movable tray is in the heating position, so as to heat the local bottom surface of the upper thermoplastic composite plate and the local top surface of the lower thermoplastic composite plate, and the heater is moved out of the pressing mold set through the moving mechanism; and
and the processing unit is respectively electrically connected with and controls the pressing die set, the movable supporting platform and the heating unit to actuate.
2. The apparatus for joining thermoplastic composite sheets as defined in claim 1, wherein said first mold has a first molding surface for receiving said lower thermoplastic composite sheet, and said second mold has a second molding surface facing said first molding surface.
3. The apparatus for joining thermoplastic composite sheets according to claim 1, wherein the heater is a bar device whose heating area covers the width of the sheet surface of the overlapped area of the upper and lower thermoplastic composite sheets.
4. The apparatus for joining thermoplastic composite sheets as defined in claim 3, wherein the heater is an infrared lamp or an electromagnetic heating coil.
5. The apparatus according to claim 2, further comprising a temperature sensor for sensing a heating area of the heater for detecting a heated temperature of the upper thermoplastic composite sheet and/or the lower thermoplastic composite sheet, wherein the temperature sensor is electrically connected to the processing unit so that the processing unit can obtain real-time data of the temperature sensor.
6. A method of joining thermoplastic composite sheets, comprising the steps of:
-providing joining means of thermoplastic composite sheets according to any of claims 1 to 5;
placing the lower layer thermoplastic composite plate on the first forming die surface of the pressing die set in a die opening state;
placing the upper thermoplastic composite plate on the movable support table, wherein the bottom surface area of the front section of the upper thermoplastic composite plate is exposed out of the movable support table, and driving the movable support table to move the upper thermoplastic composite plate to the heating position;
moving the heater to the working position for heating, so that the top surface of the rear section of the lower thermoplastic composite plate is heated to form a first bonding area, and the bottom surface of the front section of the upper thermoplastic composite plate is heated to form a second bonding area;
stopping heating the heater, and moving the heater out of the pressing die set;
driving the movable support table to descend so that the upper thermoplastic composite plate is placed on the first forming die surface, and the second attaching area of the upper thermoplastic composite plate faces the first attaching area of the lower thermoplastic composite plate;
closing the pressing mold to form the mold closing state so as to mold the first bonding area and the second bonding area;
cooling water is circulated in the cooling water channel of the pressing mold group to carry out rapid cooling; and
opening the die and taking materials.
7. The method of joining thermoplastic composite sheets according to claim 6, wherein the step of heating the upper and lower thermoplastic composite sheets by the heater further comprises: and continuously heating for a preset time after the temperature sensor reaches a preset temperature, so that the surfaces of the first bonding area and the second bonding area are sticky.
8. The joining method of thermoplastic composite sheets according to claim 7, wherein the predetermined temperature reached by the temperature sensor is detected to be 200 ± 5 ℃, and the predetermined time for the continuous heating is 5 seconds.
9. The method of joining thermoplastic composite plates according to claim 6, wherein in the step of circulating cooling water through the cooling water passage of the press mold set, the cooling water passage is circulated with cooling water for 30 to 60 seconds.
10. The method of joining thermoplastic composite sheets according to claim 6, wherein the thickness of the lower thermoplastic composite sheet and the upper thermoplastic composite sheet is t, after the lower thermoplastic composite sheet and the upper thermoplastic composite sheet are formed by die-assembling, the overlapping length of the first attaching region of the lower thermoplastic composite sheet and the second attaching region of the upper thermoplastic composite sheet is 10 to 15mm, and the total overlapping thickness is 1.4 to 2t, the lower thermoplastic composite sheet passes through a bending region, and the top of the non-overlapping region of the lower thermoplastic composite sheet is flush with the top of the upper thermoplastic composite sheet, and the length of the bending region is 0.7 to 1.5 t.
11. A method of joining thermoplastic composite sheets, comprising the steps of:
heating a top surface of a lower thermoplastic composite plate and a bottom surface of an upper thermoplastic composite plate by a heater to heat the top surface of the lower thermoplastic composite plate to form a first bonding area and the bottom surface of the upper thermoplastic composite plate to form a second bonding area, so that the surfaces of the first bonding area and the second bonding area are sticky;
removing the heater;
superposing and pressing the first bonding area and the second bonding area; and
cooling the first bonding region, the second bonding region or both the first bonding region and the second bonding region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524731.0A CN111319269A (en) | 2018-12-13 | 2018-12-13 | Jointing device of thermoplastic composite board and jointing method using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524731.0A CN111319269A (en) | 2018-12-13 | 2018-12-13 | Jointing device of thermoplastic composite board and jointing method using same |
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| CN111319269A true CN111319269A (en) | 2020-06-23 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009279910A (en) * | 2008-05-26 | 2009-12-03 | Fukuoka Institute Of Technology | Welding apparatus and welding method of thermoplastic resin material |
| CN104044266A (en) * | 2013-03-12 | 2014-09-17 | 本田技研工业株式会社 | Resin composite structure and method for producing the same |
-
2018
- 2018-12-13 CN CN201811524731.0A patent/CN111319269A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009279910A (en) * | 2008-05-26 | 2009-12-03 | Fukuoka Institute Of Technology | Welding apparatus and welding method of thermoplastic resin material |
| CN104044266A (en) * | 2013-03-12 | 2014-09-17 | 本田技研工业株式会社 | Resin composite structure and method for producing the same |
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