CN106808675B - EVA cold and hot forming machine and forming method thereof - Google Patents
EVA cold and hot forming machine and forming method thereof Download PDFInfo
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- CN106808675B CN106808675B CN201710045335.9A CN201710045335A CN106808675B CN 106808675 B CN106808675 B CN 106808675B CN 201710045335 A CN201710045335 A CN 201710045335A CN 106808675 B CN106808675 B CN 106808675B
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/428—Heating or cooling of moulds or mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2031/00—Use of polyvinylesters or derivatives thereof as moulding material
- B29K2031/04—Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an EVA cold and hot forming machine, which comprises a hot forming machine and a cold forming machine, wherein the hot forming machine comprises a rotating base capable of intermittently rotating by 360 degrees, n stations are annularly arranged on the rotating base, a first mold pushing mechanism is arranged at the center of the rotating base, the movable end of the first mold pushing mechanism is aligned to the position of a mold placed on the first station, and each station is provided with a heating part and a first hydraulic cylinder; the cold forming machine comprises a cooling liquid box body and a lifting mechanism arranged in the cooling liquid box body, the lifting mechanism is close to a first station, a second mold pushing mechanism is arranged on the lifting mechanism, and the second mold pushing mechanism and the first mold pushing mechanism are located on the same straight line or parallel in the moving direction and used for pushing a mold to be heated on the lifting mechanism to a heating part. The EVA cold and hot forming machine provided by the invention has a simple and compact structure, and can complete the work of a plurality of stations only by combining the cold forming machine and the hot forming machine and standing an operator at a certain station for operation.
Description
Technical Field
The invention relates to plastic molding equipment, in particular to an EVA cold and hot molding machine and a mold exchange method thereof.
Background
EVA is an ethylene-vinyl acetate copolymer. The EVA has wide application field, and is particularly applied to shoe soles and interior materials of medium-high-grade travel shoes, climbing shoes, slippers and sandals in the shoe manufacturing industry.
The traditional EVA forming process is characterized in that a plurality of stations are arranged in a line, a set of machine table is divided into a plurality of hot stations and a plurality of cold stations, an operator pulls out a hot mold by hand and puts the hot mold into the cold mold, the process enables the operator to continuously walk back and forth on the machine table edge and continuously push out the mold, and during working, the working efficiency is low, the cycle time is long, and a large amount of manpower, material resources and energy cost are wasted.
Chinese patent document CN105082518A discloses an EVA cold-hot forming machine process, which is improved on the basis of the traditional EVA forming process, the EVA cold-hot forming machine adopted by the EVA cold-hot forming machine comprises a hot forming machine, a cold forming machine, a feeding and discharging unit and a material conveying trolley which reciprocates between the hot forming machine and the cold forming machine, although the automatic reciprocating movement of the mould between the hot forming machine and the cold forming machine is realized, the production efficiency is improved, the EVA cold-hot forming machine has a long production line, a large floor area, a complex equipment structure and high manufacturing cost.
Disclosure of Invention
The invention aims to solve the problems of long production line, large occupied area of equipment, complex structure and high equipment cost of an EVA cold and hot forming machine in the prior art, and provides the EVA cold and hot forming machine with simple and high automation degree.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the EVA cold and hot forming machine comprises a hot forming machine for heating a mold and a cold forming machine for cooling the mold, wherein the hot forming machine comprises a rotating base capable of rotating at 360 degrees intermittently, n stations are arranged on the rotating base in an annular mode, n is more than or equal to 2, a first mold pushing mechanism is arranged at the center of the rotating base, the movable end of the first mold pushing mechanism is aligned to the position, where the mold is placed, on the first station and used for pushing the heated mold to the cold forming machine, each station is provided with a heating part and a first hydraulic cylinder used for driving the heating part to move in a reciprocating mode in the vertical direction, and a first mold pushing mechanism is arranged at the center of the rotating base; the cold forming machine comprises a cooling liquid box body and a lifting mechanism arranged in the cooling liquid box body, the lifting mechanism is close to a first station, a second mold pushing mechanism is arranged on the lifting mechanism, the moving directions of the second mold pushing mechanism and the first mold pushing mechanism are located on the same straight line or parallel, and the second mold pushing mechanism is used for pushing a mold to be heated on the lifting mechanism to a heating part.
And the lifting mechanism is also provided with a third mold pushing mechanism, and the third mold pushing mechanism is vertical to the moving direction of the second mold pushing mechanism and is used for pushing the cooled mold out of the lifting mechanism.
The mould heating device further comprises a workbench, the mould to be heated is pushed to the lifting mechanism from the workbench, and the cooled mould is pushed to the workbench from the lifting mechanism.
The mould cooling device further comprises a manipulator which is used for taking out the cooled mould or placing the mould to be heated.
The lifting mechanism comprises a fixed bottom frame, a lifting scissor arm, a lifting hydraulic cylinder and a mould placing platform, and the fixed bottom frame is connected with the mould placing platform through the lifting scissor arm and the lifting hydraulic cylinder.
The mold placing table comprises a concave block with an opening facing the horizontal direction, the concave block is provided with an upper-layer table board and a lower-layer table board, the second mold pushing mechanism is arranged on one side of the upper-layer table board, and the third mold pushing mechanism is arranged on one side of the lower-layer table board.
Be equipped with the mode locking roof on the mesa of lower floor, the mode locking pneumatic cylinder is connected to the mode locking roof, mode locking pneumatic cylinder fixed mounting in the platform is placed to the mould and passes the mesa of lower floor is connected with the mode locking roof, the mode locking pneumatic cylinder passes through the mode locking roof promotes the mould and removes.
The first mold pushing mechanism, the second mold pushing mechanism and the third mold pushing mechanism are mold pushing cylinders/mold pushing hydraulic cylinders, and movable ends of the mold pushing cylinders/mold pushing hydraulic cylinders are connected with the push plates.
The system also comprises (n-1) control electric boxes and a PLC master control electric box which are arranged between the stations, and the independent control of each station is realized.
The invention also provides a molding method of the cold and hot molding machine, which comprises the following steps:
the first step is as follows: providing a rotatable thermoforming machine with n stations and a first mold pushing mechanism, and a liftable cold forming machine with a mold placing table, a second mold pushing mechanism and a third mold pushing mechanism which are perpendicular to each other, wherein the moving directions of the first mold pushing mechanism and the second mold pushing mechanism are on the same straight line or parallel;
the second step is that: placing a mold to be heated on a mold placing table, and pushing the mold to be heated from the mold placing table to a first station of a thermoforming machine by a second mold pushing mechanism for heating;
the third step: the thermoforming machine rotates, and the second station pauses for a certain time when being transferred to the position of the first station;
the fourth step: the first mold pushing mechanism pushes the heated mold to the mold placing table from the second station;
the fifth step: the cold forming machine descends to the mould placing table, the mould is submerged by cooling liquid, and the mould is cooled for a certain time;
and a sixth step: lifting the cold forming machine to a certain height, and taking away the cooled mold;
the seventh step: and repeating the second step to the sixth step.
The first step is as follows: providing a rotatable thermoforming machine with n stations and a first mold pushing mechanism, and a liftable cold forming machine with a mold placing table, a second mold pushing mechanism and a third mold pushing mechanism which are vertical to each other, wherein the moving directions of the first mold pushing mechanism and the second mold pushing mechanism are on the same straight line or parallel;
the second step is that: placing a mold to be heated on the mold placing table, and pushing the mold to be heated from the mold placing table to a first station of a thermoforming machine by a second mold pushing mechanism for heating;
the third step: the thermoforming machine rotates, and the second station pauses for a certain time when being transferred to the first station;
the fourth step: the first mold pushing mechanism pushes the heated mold to the mold placing table from the second station;
the fifth step: the cold forming machine descends to the mould placing table, the mould is submerged by cooling liquid, and the mould is cooled for a certain time;
and a sixth step: lifting the cold forming machine to a certain height, and taking away the cooled die;
the seventh step: and repeating the second step to the sixth step.
Preferably, the mould is placed the platform and is set up to the spill, and it includes parallel upper table face and lower floor's mesa, and during the mould cooling in the fifth step, the upper table face just in time is connected with the station, and the second step can be gone on simultaneously to shorten operating time, improved work efficiency.
And further, the cold forming machine ascends to the lower layer table top and is connected with the workbench in the sixth step, and the cooled die is pushed to the workbench from the lower layer table top through a third die pushing mechanism. The upper layer mesa and the lower layer mesa in this embodiment do not interfere with each other.
Has the beneficial effects that: the EVA cold and hot forming machine provided by the invention has the advantages of simple and compact structure, small floor area and low manufacturing cost, only depends on the combination of the cold forming machine and the hot forming machine, does not need a material conveying trolley, simplifies equipment, can complete the work of a plurality of stations only by operating one operator or one manipulator fixed station at a certain station, saves manpower and material resources and improves the working efficiency. The forming method of the EVA cold and hot forming machine provided by the invention realizes the full-automatic exchange and forming process of the die in the cold forming machine and the hot forming machine.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of an EVA cold and hot molding machine provided in the present invention;
FIG. 2 is a cross-sectional view of the EVA cold-hot forming machine of FIG. 1;
FIG. 3 is a cross-sectional view of a preferred embodiment of the thermoforming machine provided by the present invention;
FIG. 4 is a left side view of the preferred embodiment of the intercooling molding machine of FIG. 1;
fig. 5 is a cross-sectional view of the cold-forming machine of fig. 4.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
example one
Referring to fig. 1 and 2, the EVA cold and hot forming machine provided in this embodiment includes a hot forming machine 10 for heating a mold and a cold forming machine 20 for cooling the mold, where the hot forming machine 10 includes a rotating base 110 capable of intermittently rotating at 360 degrees, n stations are annularly disposed on the rotating base 110, n is greater than or equal to 2, each station is provided with a heating component 130 and a first hydraulic cylinder 140 for driving the heating component 130 to reciprocate in a vertical direction, a first mold pushing mechanism 120 is disposed in the center of the rotating base 110, and a movable end of the first mold pushing mechanism 120 is aligned with a position of the first station where the mold is placed, and is used for pushing the heated mold to the cold forming machine 20. The cold forming machine 20 includes a coolant tank 210 and a lifting mechanism 220 disposed in the coolant tank 210, the lifting mechanism 220 is close to the first station, the lifting mechanism 220 is provided with a second mold pushing mechanism 230, the moving directions of the second mold pushing mechanism 230 and the first mold pushing mechanism 120 are located on the same straight line or parallel, and the second mold pushing mechanism 230 is used for pushing a mold to be heated on the lifting mechanism 220 to the heating component 130. The EVA cold and hot molding machine provided by the embodiment has a simple and compact structure, realizes automatic exchange of molds between the cold molding machine 20 and the hot molding machine 10 only by cooperation of the hot molding machine 10 with the rotating base 110 and the cold molding machine 20 with the lifting mechanism 220, and has small floor space and low manufacturing cost.
Example two
Referring to fig. 1 and fig. 2, in the present embodiment, a third mold pushing mechanism is further disposed on the lifting mechanism 220, the third mold pushing mechanism is perpendicular to the moving direction of the second mold pushing mechanism 230, and the third mold pushing mechanism is used for pushing the cooled mold out of the lifting mechanism 220. The moving directions of the second mold pushing mechanism 230 and the third mold pushing mechanism are perpendicular, and the time of the extension and retraction of the movable end is before and after, which do not interfere with each other.
EXAMPLE III
Referring to fig. 1 and fig. 2, the EVA cold and hot molding machine provided in this embodiment further includes a workbench 30, the EVA cold and hot molding machine includes a thermoforming machine 10, a cold molding machine 20, and the workbench 30, a mold to be heated is pushed from the workbench to the lifting mechanism 220, and the cooled mold is pushed from the lifting mechanism 220 to the workbench 230.
Example four
Referring to fig. 1 and 2, the EVA cold and hot molding machine according to this embodiment further includes a robot (not shown), the robot is capable of taking out the cooled mold from the lifting mechanism 220, and placing the mold to be heated on the lifting mechanism 220. Or the robot takes out the cooled mold from the table 30 and places the mold to be heated on the table 30. The manipulator is adopted to replace workers to take out and put in the die, personal danger is avoided, and full-automatic production is realized. The above embodiments may be freely combined to form new embodiments.
EXAMPLE five
Referring to fig. 1 and 2, the EVA cold and hot forming machine of the present embodiment includes a hot forming machine 10, a cold forming machine 20 and a workbench 30. Referring to fig. 3, the thermoforming machine 10 includes a rotating base 110, a plc system controls a driving motor 150 to drive a gear bearing 160 to rotate, thereby driving the rotating base 110 to realize 360 ° intermittent rotation, n stations are annularly arranged on the rotating base 110, each station is provided with a first hydraulic cylinder 140, the first hydraulic cylinder 140 is a plunger hydraulic cylinder, a movable end of the first hydraulic cylinder 140 is fixedly connected with a middle seat 133, a lower heating plate 131 is arranged on the middle seat 133, a lower heat insulating plate 132 is arranged between the lower heating plate 131 and the middle seat 133, and the first hydraulic cylinder 140 drives the lower heating plate 131 to reciprocate along a vertical direction. Directly above the lower heating plate 131 are fixed upper heating plate 171, upper thermal insulating plate 172 and upper seat 173, respectively. The upper heating plate 171 and the lower heating plate 131 are electrically heated in this embodiment, and in other embodiments, gas or oil may be used as the heating medium. The upper and lower heating plates 171 and 131 conduct heat energy to the mold, so that the mold is rapidly heated. The upper heating plate 171 and the lower heating plate 131 are formed by drilling a single steel plate.
The center of the rotating base 110 is provided with a first mold pushing mechanism 120, the movable end of the first mold pushing mechanism 120 is aligned with the position of a mold placed on the first station, the mold after being heated is pushed to the cold forming machine 20, and the front end of the movable end is connected with a push plate 121.
If both ends of the first mold pushing mechanism 120 are set as movable ends, one movable end of the first mold pushing mechanism 120 is aligned with the first station, and the other movable end of the first mold pushing mechanism 120 is aligned with the (1 + n)/2 th station. The EVA cold and hot forming machine can be combined and matched with two cold forming machines and one hot forming machine to work.
The top of this thermoforming machine 10 is the oil tank, be equipped with PLC control panel between the station, PLC system control thermoforming machine 10 autogiration and automatic release the mould, when the mould was pushed into the station, first pneumatic cylinder 140 rose and is compressed tightly the mould, upper heating plate 171 and lower heating plate 131 are leading-in heat energy into the mould fast, make the product heating of mould the inside, make the goods of mould the inside produce chemical reaction under the effect of heat simultaneously, in order to make the goods of mould the inside do better, more perfect, at this moment the hot mould needs a cold forming machine 20 to cool down for it and finalize the design.
In the preferred embodiment, the cold forming machine 20 includes a cooling liquid box 210 and a lifting mechanism 220 disposed in the cooling liquid box 210, the lifting mechanism 220 is close to the first station, the lifting mechanism 220 is provided with a second mold pushing mechanism 230, the moving directions of the second mold pushing mechanism 230 and the first mold pushing mechanism 120 are located on the same straight line or parallel, and the second mold pushing mechanism 230 is configured to push a mold to be heated on the lifting mechanism 220 to the lower heating plate 131. The coolant tank 210 may contain various cooling media, such as natural, chilled or frozen water.
Referring to fig. 4 and 5, the lifting mechanism 220 includes a fixed base frame 221, a lifting scissor arm 222, a second hydraulic cylinder 223 and a mold placing table 224, the fixed base frame 221 is connected to the mold placing table 224 through the lifting scissor arm 222 and the second hydraulic cylinder 223, and the lifting scissor arm 222 is hinged to the fixed base frame 221 and the mold placing table 224, so that the mold placing table 224 can move up and down to perform a mechanical supporting function. The second hydraulic cylinder 223 is a plunger cylinder, the bottom of which is fixed on the fixed base frame 221, and the plunger is fixedly connected with the mold placing table 224, so as to provide power for the lifting of the mold placing table 224.
In this preferred embodiment, the mold placing table 224 includes a concave block with an opening facing left, the concave block has an upper table 2242 and a lower table 2241, the second mold pushing mechanism 230 is fixedly disposed at the rear side of the upper table 2242, and the third mold pushing mechanism 240 is fixedly disposed at the right side of the lower table 2241. The movable directions of the second mold pushing mechanism 230 and the third mold pushing mechanism 240 are vertical. The second pushes away mould mechanism 230 and is used for waiting the mould propelling movement of heating to hot plate 131 down on upper table surface 2242, and the third pushes away mould mechanism 240 and is used for releasing the mould after the cooling to the workstation, and the third pushes away mould mechanism 240 and fixes wearing to locate concave piece, and its front end expansion end can stretch out from the open end of concave piece, and this expansion end connection push pedal 241.
In the preferred embodiment, the lower table 2241 is provided with a mold locking top plate 250, the mold locking top plate 250 is connected to a third hydraulic cylinder 260, the third hydraulic cylinder 260 passes through the lower table 2241 and is connected to the mold locking top plate 250, and the third hydraulic cylinder 260 pushes the mold to move upward through the mold locking top plate 250 to realize mold locking, so as to fix the mold and make the mold not move or loosen during the lifting process of the lifting mechanism 220.
The first mold pushing mechanism 120, the second mold pushing mechanism 230 and the third mold pushing mechanism 240 can be set as mold pushing cylinders or mold pushing hydraulic cylinders, and the movable ends of the mold pushing cylinders/mold pushing hydraulic cylinders are all connected with pushing plates.
In the preferred embodiment, the system further comprises a plurality of control electric boxes and a PLC master control electric box which are arranged between the stations at intervals, so that independent control of each station is realized.
The EVA cold and hot forming machine provided by the invention has the advantages of simple and compact structure, small floor area and low manufacturing cost, only depends on the combination of the cold forming machine and the hot forming machine, does not need a material conveying trolley, simplifies equipment, can complete the work of a plurality of stations only by operating one operator or one manipulator fixed station at a certain station, saves manpower and material resources and improves the working efficiency.
The forming method of the EVA cold and hot forming machine provided by the invention comprises the following steps:
the first step is as follows: providing a rotatable thermoforming machine with n stations and a first mold pushing mechanism, and a liftable cold forming machine with a mold placing table, a second mold pushing mechanism and a third mold pushing mechanism which are perpendicular to each other, wherein the moving directions of the first mold pushing mechanism and the second mold pushing mechanism are on the same straight line or parallel;
the second step: placing a mold to be heated on the mold placing table, and pushing the mold to be heated from the mold placing table to a first station of a thermoforming machine by a second mold pushing mechanism for heating;
the third step: the thermoforming machine rotates, and the second station pauses for a certain time when being transferred to the position of the first station;
the fourth step: the first mold pushing mechanism pushes the heated mold to the mold placing table from the second station;
the fifth step: the cold forming machine descends to the mould placing table, the mould is submerged by cooling liquid, and the mould is cooled for a certain time;
and a sixth step: lifting the cold forming machine to a certain height, and taking away the cooled die;
the seventh step: and repeating the second step to the sixth step.
In order to further improve work efficiency, the mould is placed the platform and is set up to the spill, and it includes parallel upper mesa and lower floor's mesa, and during the mould cooling in the fifth step, the upper mesa just in time is connected with the station, and the second step can be gone on simultaneously to shorten operating time, improved work efficiency.
And further, the cold forming machine ascends to the lower layer table top and is connected with the workbench in the sixth step, and the cooled die is pushed to the workbench from the lower layer table top through a third die pushing mechanism. The upper layer mesa and the lower layer mesa in this embodiment do not interfere with each other.
The forming method of the cold and hot forming machine provided by the invention is combined by the cold forming machine and the hot forming machine, a material conveying trolley is not needed, and the work of a plurality of stations can be completed only by operating one operator or one manipulator fixed station at a certain station, so that the whole production line is shortened, the production space is saved, the manpower and material resources are saved, and the working efficiency is improved.
Combinations and equivalents of the above-described embodiments may also be practiced by those of skill in the art, based on the disclosure and teachings of the above-described specification. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations are possible in light of the above teachings and are within the purview of the appended claims. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
- EVA cold and hot make-up machine, its characterized in that: the hot forming machine comprises a hot forming machine for heating a mold and a cold forming machine for cooling the mold, the hot forming machine comprises a rotating base capable of rotating at 360 degrees intermittently, n stations are annularly arranged on the rotating base, a first mold pushing mechanism is arranged at the center of the rotating base, the movable end of the first mold pushing mechanism is aligned to the position, where the mold is placed, on the first station and used for pushing the heated mold to the cold forming machine, and each station is provided with a heating component and a first hydraulic cylinder for driving the heating component to move in a reciprocating manner in the vertical direction; the cold forming machine comprises a cooling liquid box body and a lifting mechanism arranged in the cooling liquid box body, the lifting mechanism is close to a first station, a second mold pushing mechanism is arranged on the lifting mechanism, the moving directions of the second mold pushing mechanism and the first mold pushing mechanism are located on the same straight line or parallel, and the second mold pushing mechanism is used for pushing a mold to be heated on the lifting mechanism to a heating part.
- 2. The EVA cold-hot forming machine of claim 1, wherein: and the lifting mechanism is also provided with a third mold pushing mechanism, and the third mold pushing mechanism is vertical to the moving direction of the second mold pushing mechanism and is used for pushing the cooled mold out of the lifting mechanism.
- 3. The EVA cold-hot forming machine according to claim 2, wherein: the mould heating device further comprises a workbench, the mould to be heated is pushed to the lifting mechanism from the workbench, and the cooled mould is pushed to the workbench from the lifting mechanism.
- 4. The EVA cold-hot forming machine according to any one of claims 1-3, wherein: the mould cooling device further comprises a manipulator which is used for taking out the cooled mould or placing the mould to be heated.
- 5. An EVA cold and hot forming machine according to claim 3, wherein: the lifting mechanism comprises a fixed bottom frame, a lifting scissor arm, a lifting hydraulic cylinder and a mould placing platform, and the fixed bottom frame is connected with the mould placing platform through the lifting scissor arm and the lifting hydraulic cylinder.
- 6. The EVA cold-hot forming machine according to claim 5, wherein: the mold placing table comprises a concave block with an opening facing the horizontal direction, the concave block is provided with an upper-layer table board and a lower-layer table board, the second mold pushing mechanism is arranged on one side of the upper-layer table board, and the third mold pushing mechanism is arranged on one side of the lower-layer table board.
- 7. An EVA cold and hot shaping machine according to claim 6, wherein: be equipped with the mode locking roof on the mesa of lower floor, the mode locking pneumatic cylinder is connected to the mode locking roof, mode locking pneumatic cylinder fixed mounting in the platform is placed to the mould and passes the mesa of lower floor is connected with the mode locking roof, the mode locking pneumatic cylinder passes through the mode locking roof promotes the mould and removes.
- 8. The EVA cold-hot forming machine according to claim 1, wherein: the system also comprises (n-1) control electric boxes and a PLC master control electric box which are arranged between the stations, and the independent control of each station is realized.
- 9. The molding method of the cold and hot molding machine is applied to the EVA cold and hot molding machine of claim 5, and is characterized in that: the method comprises the following steps:the first step is as follows: providing a rotatable thermoforming machine with n stations and a first mold pushing mechanism, and a liftable cold forming machine with a mold placing table, a second mold pushing mechanism and a third mold pushing mechanism which are vertical to each other, wherein the moving directions of the first mold pushing mechanism and the second mold pushing mechanism are on the same straight line or parallel;the second step is that: placing a mold to be heated on a mold placing table, and pushing the mold to be heated from the mold placing table to a first station of a thermoforming machine by a second mold pushing mechanism for heating;the third step: the thermoforming machine rotates, and the second station pauses for a certain time when being transferred to the first station;the fourth step: the first mold pushing mechanism pushes the heated mold to the mold placing table from the second station;the fifth step: the cold forming machine descends to the mould placing table, the mould is submerged by cooling liquid, and the mould is cooled for a certain time;and a sixth step: lifting the cold forming machine to a certain height, and taking away the cooled die;the seventh step: and repeating the second step to the sixth step.
- 10. A molding method of a cold-hot molding machine according to claim 9, characterized in that: the mould placing table is arranged to be concave and comprises an upper layer table top and a lower layer table top which are parallel, when the mould is cooled in the fifth step, the upper layer table top is just connected with the station, and the second step can be carried out simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710045335.9A CN106808675B (en) | 2017-01-22 | 2017-01-22 | EVA cold and hot forming machine and forming method thereof |
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| CN201710045335.9A CN106808675B (en) | 2017-01-22 | 2017-01-22 | EVA cold and hot forming machine and forming method thereof |
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| CN106808675A CN106808675A (en) | 2017-06-09 |
| CN106808675B true CN106808675B (en) | 2022-11-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ITUB20155474A1 (en) | 2015-11-11 | 2017-05-11 | Nike Innovate Cv | EQUIPMENT, AND ITS PROCEDURE, FOR THE THERMAL TREATMENT OF FOOTWEAR, IN PARTICULAR SPORTS SHOES |
| TWI699274B (en) * | 2018-04-03 | 2020-07-21 | 鉅鋼機械股份有限公司 | Polymer molding processing system |
| CN108582745B (en) * | 2018-04-19 | 2023-09-29 | 福建鸿龙机械有限公司 | Turntable EVA (ethylene-vinyl acetate copolymer) stamping forming machine and forming method thereof |
| TWI728340B (en) | 2018-04-25 | 2021-05-21 | 荷蘭商耐克創新有限合夥公司 | System and methods for thermoforming articles |
| TWI722417B (en) | 2018-04-25 | 2021-03-21 | 荷蘭商耐克創新有限合夥公司 | System and methods for preparing article for thermoforming |
| US11780129B2 (en) | 2020-03-20 | 2023-10-10 | King Steel Machinery Co., Ltd. | Molding method for operating molding device |
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