WO2022196862A1 - 프리-블로잉 하부챔버 구비형 진공성형기 - Google Patents
프리-블로잉 하부챔버 구비형 진공성형기 Download PDFInfo
- Publication number
- WO2022196862A1 WO2022196862A1 PCT/KR2021/005636 KR2021005636W WO2022196862A1 WO 2022196862 A1 WO2022196862 A1 WO 2022196862A1 KR 2021005636 W KR2021005636 W KR 2021005636W WO 2022196862 A1 WO2022196862 A1 WO 2022196862A1
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- WIPO (PCT)
- Prior art keywords
- fabric
- vacuum forming
- clamp
- blowing
- lower chamber
- Prior art date
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- 238000007666 vacuum forming Methods 0.000 title claims abstract description 82
- 239000004744 fabric Substances 0.000 claims abstract description 138
- 238000007664 blowing Methods 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000007665 sagging Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 60
- 238000007789 sealing Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
-
- 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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
- B29C31/08—Feeding of the material to be moulded, e.g. into a mould cavity of preforms to be moulded, e.g. tablets, fibre reinforced preforms, extruded ribbons, tubes or profiles; Manipulating means specially adapted for feeding preforms, e.g. supports conveyors
-
- 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
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B29C51/18—Thermoforming apparatus
-
- 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
-
- 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
- B29C51/30—Moulds
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
-
- 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
Definitions
- the present invention relates to a pre-blowing lower chamber-equipped vacuum forming machine, and more specifically, in a heating process for vacuum forming, the fabric lower space under the thermally expanded fabric is sealed, and installed in communication with the sealed fabric lower space
- vacuum forming is performed on the fabric that is heated evenly over the entire area to ensure thickness uniformity.
- the present invention relates to a pre-blowing lower chamber-equipped vacuum forming machine, which can improve quality by providing a controlled structure and can be effectively applied to the production of a vehicle exterior material in which a large amount of sag occurs.
- a vacuum forming machine is a device that performs a heating process and a vacuum forming process on a raw material moving by a feeding device or a transfer device.
- the raw material is made of a synthetic resin sheet, etc., is heated and softened, is put into a mold in a state where plastic deformation is possible, and then is molded into a set shape by a mold to which vacuum pressure is applied.
- Such a vacuum forming machine is mainly used for molding vehicle interior materials such as door trims and instrument panels, and is used to additionally attach a skin material to the surface of the interior material for the aesthetic or texture of the interior material depending on the vehicle model.
- FIG. 1 shows the "Vehicle Interior Material Vacuum Forming Device" of the Registration Utility Model Publication No. 20-0466282, which is used to support the device with respect to the ground. It consists of a plurality of vertical members 110 and horizontal members 120. Frame unit 100 is configured; a clamping unit 200 installed on the frame unit 100 and configured to clamp the fabric; a heater unit 300 for preheating the fabric clamped to the clamping unit 200; It can be seen that the material is made of a configuration including a; vacuum forming unit 400 for vacuum forming in addition to the interior parts.
- vehicle exterior materials such as truck roof windshields are also manufactured by vacuum molding. This is a situation in which the technology to prevent this is essential.
- the material and fabric for vehicle exterior materials vary depending on the size and properties, but usually shows a deflection of around 600mm.
- the present invention thus improves the problems of the prior art, and the lower heater and the lower mold located below the material fabric are movably arranged, the lower chamber and the lower heater waiting chamber is made of airtight maintenance structure without air leakage to the outside, and air of a set capacity is introduced into the lower space of the fabric by a blowing device communicating with the lower chamber. Vacuum forming is performed on the fabric with a uniformly heated area, so that it is possible to secure thickness uniformity and improve quality.
- An object of the present invention is to provide a new type of pre-blowing lower chamber type vacuum forming machine that allows temperature control to be facilitated.
- an object of the present invention is to provide a pre-blowing lower chamber-equipped vacuum forming machine.
- the present invention provides a structure in which the volume of air that is introduced and blown into the lower chamber by the blowing device is optimally controlled according to the shape of the mold to prevent sagging, and thus the quality can be improved, and the vehicle exterior material in which sagging occurs a lot
- An object of the present invention is to provide a new type of pre-blowing lower chamber-equipped vacuum forming machine that can be effectively applied to the manufacture of
- Another object of the present invention is to provide a pre-blowing lower chamber-equipped vacuum forming machine that allows the clamp width to be variable according to the size of the material so that it can be used universally for various sizes of the material.
- the present invention provides a vacuum forming machine for vacuum forming a fabric, comprising: a fabric lower clamp for airtight sealing for clamping and fixing the lower surface of the edge of the fabric; a fabric upper clamp for clamping and fixing the upper surface of the edge of the fabric; a lower heater disposed on the lower side of the material located in the heating-forming region and operating in the heating process; an upper heater disposed on the upper side of the raw material located in the heat-forming region and operated in the heating process; a lower mold disposed under the raw material (1) located in the heat-forming region and operated in a vacuum forming process;
- the lower heater 200a and the lower mold have a lower distal space in which the lower mold is disposed, and a bottom surface and a side wall surrounding the distal lower space communicating with the upper surface constituting the heat-forming region are provided, and are introduced into the upper surface.
- a lower chamber in which the upper surface is closed by the material fabric and the lower clamp for airtight sealing, the lower space of the fabric is sealed to prevent air leakage to the outside; a blowing device installed in communication with the distal lower space of the lower chamber and preventing sagging of the raw material due to thermal expansion in the heating process by introducing air of a set capacity into the distal lower space;
- the lower heater, the upper heater, the lower mold, and a controller for controlling the operation of the blowing device characterized in that it comprises a configuration.
- the lower clamp for airtight sealing is each composed of first, second, third, and fourth side plates to fit the side surface of the fabric, and X by each driving means of the first, second, third, and fourth side plates , It is characterized in that by moving along the Y-axis, it is variable according to the size of the material and is airtight on the mutual contact surface.
- vacuum forming is performed on the raw material that is uniformly heated over the entire area, so that it is possible to secure the thickness uniformity, and there is an effect of improving the quality of the molded product .
- the close arrangement of the material of the lower heater is possible, the heating efficiency is increased, the heating temperature control for each material part is easy, and energy consumption is reduced.
- the pre-blowing lower chamber-equipped vacuum forming machine since it provides a structure that prevents the heated raw material from being exposed to external air, rapid cooling of the fabric before molding is prevented while improving quality, reducing energy consumption, There is an effect that productivity can be improved.
- the pre-blowing lower chamber-equipped vacuum forming machine it provides a structure in which the volume of air introduced and blown into the lower chamber by the blowing device is optimally controlled according to the shape of the mold in order to prevent sagging, so the quality There is an effect that the improvement of
- the pre-blowing lower chamber-equipped vacuum forming machine of the present invention can be effectively applied to the manufacture of a vehicle exterior material in which a lot of sagging occurs.
- the lower clamp for airtight sealing can be used for general purpose regardless of the size of the material because the clamping is made with variable width.
- FIG. 1 is a view for showing the configuration of the Utility Model Registration Registration No. 20-0466282;
- Figure 2 (a) is a view for showing the sagging structure of the fabric of the conventional vacuum forming machine
- Figure 2 (b) is a view for showing the technical idea of the pre-blowing lower chamber-equipped vacuum forming machine according to the present invention
- FIG. 3 is a view for showing the basic configuration of the pre-blowing lower chamber-equipped vacuum forming machine according to the present invention
- FIG. 4 is a view for showing the configuration of a pre-blowing lower chamber-equipped vacuum forming machine according to an embodiment of the present invention
- FIG. 5 (a) and (b) are cross-sectional views for showing the shape and arrangement of the fabric lower clamp and the fabric upper clamp for airtight sealing according to an embodiment of the present invention
- Figure 6 is a view for showing the overall configuration of the fabric upper clamp according to an embodiment of the present invention based on automatic material supply;
- FIG. 7 is a view for showing the overall configuration of the fabric upper clamp according to another embodiment of the present invention based on the manual supply of fabric;
- FIG. 8 is a block diagram illustrating a control configuration of a pre-blowing lower chamber-equipped vacuum forming machine according to an embodiment of the present invention
- FIG. 9 is an exemplary view provided with a four-sided airtight type variable width clamp of the pre-blowing lower chamber type vacuum forming machine according to another embodiment of the present invention.
- Figure 10 is a pre-blowing lower chamber type vacuum forming machine according to another embodiment of the present invention is provided with a four-sided hermetic width variable clamp internal configuration;
- FIG. 11 is an enlarged operational state diagram of a four-sided airtight variable width clamp of a pre-blowing lower chamber-equipped vacuum forming machine according to another embodiment of the present invention.
- FIG. 12 is a reduced operating state diagram of a four-sided airtight variable width clamp of a pre-blowing lower chamber-equipped vacuum forming machine according to another embodiment of the present invention.
- FIGS. 2 to 8 of the accompanying drawings general vacuum forming machines, clamps, heaters, molds, pre-blowing technology, deflection detection sensors, etc., showing and mentioning configurations and actions that can be easily known by those in the field is abbreviated or omitted.
- detailed descriptions and illustrations of specific technical configurations and actions of elements not directly related to the technical features of the present invention are omitted, and only the technical configurations related to the present invention are briefly illustrated or described. did.
- the pre-blowing lower chamber-equipped vacuum forming machine according to the present invention is made of a gas-tight structure without air leakage to the outside, and air of a set capacity is introduced into the lower space 410 of the fabric by the blowing device 400 communicating with the lower chamber 400, and the material fabric (1) It is a technology that provides a structure that prevents sagging.
- the pre-blowing lower chamber-equipped vacuum forming machine according to an embodiment of the present invention includes a fabric lower clamp 100a for airtight sealing, a fabric upper clamp 100b, a lower heater 200a, as shown in FIGS. 3 and 4 , Upper heater 200b, lower mold 300a, upper mold 300b, lower chamber 400, blowing device 500, lower heater actuator 600a, upper heater actuator 600b, lower heater standby
- the chamber 700 is configured to include a controller 800 .
- the airtight sealing fabric lower clamp (100a) is to clamp and fix the bottom surface of the edge portion of the material fabric (1), and as shown in FIG. 5, the airtight sealing type sealing ( 130) may be connected to the fixed frame 440 connected via the medium. Airtight sealing fabric lower clamp (100a) can be fixed by the fixing body 441 of the lower surface of the fixed frame 440, airtight packing between the fixed frame 440 and the airtight sealing fabric lower clamp (100a) A hermetic sealing 130 may be installed.
- Fabric upper clamp (100b) is to clamp and fix the upper surface of the edge portion of the raw material (1).
- the distal upper clamp 100b may be used by being fixed to the lower surface of the upper base 1200 as shown in FIG. 3 .
- the upper base 1200 is a slide that is operated up-down by the actuator 1300 for the upper base.
- distal upper clamp 100b may be used by being fixed to the fixing body 1210 formed on the lower surface of the upper base 1200 as shown in FIG. 5B .
- the fabric lower clamp 100a for airtight sealing may have a structure in which a clamp lower frame 110a of a " ⁇ " type vertical cross-sectional shape forms each side of a rectangular frame as shown in FIG. 5, in particular, the present invention
- the fabric lower clamp 100a for airtight sealing according to the embodiment of The airtightness of the fabric lower space 410 can be maintained by the hermetic sealing type sealing 130 for hermetic packing fitted and fixed in the hermetic sealing type sealing groove 120 of the same hermetic sealing fabric lower clamp 100a.
- the pre-blowing lower chamber-equipped vacuum forming machine may have a configuration in which the fabric (1) is automatically loaded/unloaded through the fabric feeding rail (1000), and the fabric (1) It may have a configuration that is manually loaded / unloaded by this worker, when the material fabric 1 has a configuration that is automatically loaded / unloaded, the upper clamp 100b of the fabric is a rail-side clamp as in FIG. 6 . It may be composed of an upper frame 111 and a mold-side clamp upper frame 112 .
- the rail-side clamp upper frame 111 is formed on a pair of fabric feeding rails 1000 whose width w is controlled. It may be formed of a structure in which horizontally protruding extension in one direction by a set length.
- the mold-side clamp upper frame 112 is formed to protrude downward from the upper mold 300b and is orthogonal to the rail-side clamp upper frame 111 .
- the mold-side clamp upper frame 112 is detachably fixed to the edge portion of the lower mold 300a in the initial setting step of the vacuum molding machine, and then the edge portion of the upper mold 300b is lowered by the lower mold 300b. can be fastened to the
- the fabric upper clamp 100b includes the upper base-side clamp upper frame 113 and the mold-side clamp upper frame 112 as shown in FIG. 7 .
- the upper base-side clamp upper frame 113 is fixed to the lower surface of the upper base 1200 that operates up-down by the actuator 1300 for the upper base and is used universally, and for this purpose, the width w is adjusted.
- the mold-side clamp upper frame 112 is formed to protrude downward from the upper mold 300b and is orthogonal to the upper base-side clamp upper frame 113 .
- the mold-side clamp upper frame 112 is detachably fixed to the edge portion of the lower mold 300a in the initial setting step of the vacuum molding machine, and then the edge portion of the upper mold 300b is lowered by the lower mold 300b. can be fastened to the
- the upper base-side clamp upper frame 113 and the mold-side clamp upper frame 112 may form grooves and protrusions forming a concave-convex relationship at the parts connected to each other to engage with each other, and the grooves and protrusions are It may be formed in a V-shape.
- the distal upper clamp 100b has a structure in which a clamp upper frame 110b having a vertical cross-section of a “ ⁇ ” shape forms each side of a rectangular frame as shown in FIG. 5 .
- the lower heater 200a is disposed on the lower side of the fabric 1 located in the heat-forming region and is operated in the heating process
- the upper heater 200b is disposed on the upper side of the fabric 1 positioned in the heat-forming region. and operates in the heating process.
- the lower heater 200a and the upper heater 200b have a structure capable of controlling the heating temperature for each material part.
- the lower mold 300a is disposed below the material fabric 1 located in the heat-forming region and operated in a vacuum forming process, and is vertically movable in the fabric lower space 410 of the lower chamber 400 .
- the upper mold 300b is disposed on the upper side of the raw material 1 located in the heat-forming region and is operated in the vacuum forming process.
- the pre-blowing lower chamber-equipped vacuum forming machine is provided with an actuator 1100a for a lower mold and an actuator 1100b for an upper mold to induce vertical movement of the lower mold 300a and the upper mold 300b.
- the lower mold 300a is lowered by the actuator 1100a for the lower mold, and in the heating process, the lower heater 200a introduced into the distal lower space 410 of the lower chamber 400 in the state in which the lower mold 300a is lowered. ) is carried out by
- the lower mold 300a is raised by the actuator 1100a for the lower mold, and the vacuum forming process is performed by the lower mold 300a in an elevated state.
- the lower chamber 400 has a distal lower space 410 in which the lower heater 200a and the lower mold 300a are disposed, and surrounds the distal lower space 410 communicating with the upper surface constituting the heating-molding region.
- a bottom body 420 and a side wall body 430 are provided.
- the material fabric 1 and the fabric lower clamp 100a for airtight sealing are introduced into the upper surface of the lower chamber 400, and the lower chamber is formed by the material fabric 1 and the fabric lower clamp 100a for airtight sealing.
- the distal lower space 410 is sealed to prevent air leakage to the outside.
- the pre-blowing lower chamber-equipped vacuum forming machine performs a heating process and a vacuum forming process on the raw material 1 introduced into the upper surface of the sealed fabric lower space 410 .
- the blowing device 500 is installed in communication with the distal lower space 410 of the lower chamber 400, and the air of a set capacity is introduced into the distal lower space 410 to cause the material fabric 1 by thermal expansion in the heating process. ) to prevent sagging.
- the blowing device 500 may have a device configuration implemented in an internal pressure control mode, may have a device configuration implemented in an air jet control mode, and a composite that selectively implements an internal pressure control mode and an air jet control mode It may have a device configuration.
- the internal pressure of the fabric lower space 410 is adjusted in real time so that the fabric 1 is horizontally arranged in the heating process, while the fabric 1 is expanded upward in the vacuum forming process.
- the air blowing control mode blows air in the direction of the bottom of the fabric 1 located on the upper surface of the fabric lower space 410 at a set speed so that the fabric 1 is horizontally arranged in the heating process, while the vacuum forming process In this mode, the material fabric (1) is expanded upward.
- the lower heater actuator 600a is to which the lower heater 200a is connected, and induces lateral horizontal movement of the lower heater 200a.
- the upper heater actuator 600b is to which the upper heater 200b is connected, and induces lateral horizontal movement of the upper heater 200b.
- the lower heater waiting chamber 700 communicates with the distal lower space 410 of the lower chamber 400 to form a heater arrangement space 710 disposed outside the upper lateral direction of the distal lower space 410, and heating After completing the process, the lower heater 200a separated from the lower end space 410 waits.
- the heater arrangement space 710 also has a sealed structure so that air leakage to the outside is prevented.
- the distal lower space 410 of the lower chamber 400 and the heater arrangement space 710 of the lower heater standby chamber 700 communicate with each other to form a completely sealed structure.
- the controller 800 includes a lower heater 200a, an upper heater 200b, an actuator for a lower heater 600a, an actuator for an upper heater 600b, an actuator for a lower mold 1100a, an actuator 1100b for an upper mold. ), control the operation of the blowing device 500 so that the material fabric 1 is heated without sagging and then vacuum formed.
- the controller 800 allows the volume of air to be flown into the lower chamber 400 and blown out to be optimally controlled according to the shape of the mold.
- the controller 800 according to the embodiment of the present invention performs heater temperature control in which the heating temperature of the lower heater 200a and the upper heater 200b can be adjusted for each material part.
- the pre-blowing lower chamber-equipped vacuum forming machine operates the blowing device 500 before the material fabric 1 is heated and thermally expanded, so that the bottom surface of the fabric material 1 is in contact with the lower part of the fabric. It is possible to prevent the sagging of the fabric 1 by allowing the space 410 to have a pressure of a certain size or more, and accordingly, a pressure of a certain size or more is applied to the bottom surface of the fabric 1 .
- the pre-blowing lower chamber-equipped vacuum forming machine may include a fabric sag detection sensor 900, which detects fabric sag information in real-time in the heating process. is a sensor that
- the controller 800 receives the fabric sag information from the fabric sag detection sensor 900, and controls the operation of the blowing device 500 in real time according to the fabric sag information to cause sagging of the fabric 1 ) can also prevent the sagging of the fabric (1) by inducing it to quickly return to the horizontal arrangement.
- the pre-blowing lower chamber-equipped vacuum forming machine configured as described above has a lower chamber (200a) and a lower mold (300a) positioned below the material fabric (1) are movably disposed ( 400) and the lower heater standby chamber 700 are made of a gas-tight structure without air leakage to the outside, and air of a set capacity is supplied to the lower end space by the blowing device 500 communicating with the lower chamber 400 ( 410), as it provides a structure that prevents the sagging of the fabric 1, vacuum forming is performed on the fabric 1 where the entire area is uniformly heated, ensuring thickness uniformity and quality improvement, As the material fabric of the lower heater 200a can be arranged close to each other, the heating efficiency can be increased, and the heating temperature can be easily controlled for each part of the material.
- the pre-blowing lower chamber-equipped vacuum forming machine has an airtight structure in which the lower chamber 400 and the lower heater atmospheric chamber 700 do not leak air to the outside, while the airtightness is maintained. Since the lower mold 300a and the lower heater 200a move inside the lower chamber 400 and the lower heater waiting chamber 700 in the state to allow the heating process and the vacuum forming process to proceed, the heated material fabric (1) As it is not exposed to the outside air, rapid cooling of the fabric before molding is prevented, thereby making it possible to improve quality, reduce energy consumption, and improve productivity.
- the volume of air introduced into the lower chamber 400 by the blowing device 500 to prevent sagging is optimally controlled according to the shape of the mold. Since the structure is provided, the quality can be improved, and it can be effectively applied to the manufacture of a vehicle exterior material in which a lot of sagging occurs.
- FIG. 9 is an exemplary view provided with a four-sided hermetic type variable width clamp of a pre-blowing lower chamber-equipped vacuum forming machine according to another embodiment of the present invention
- FIG. 10 is a pre-blowing lower part according to another embodiment of the present invention.
- It is an internal configuration diagram provided with a four-sided hermetic width variable clamp of a chamber-equipped vacuum forming machine
- FIG. 11 is a four-sided hermetic width variable clamp of a pre-blowing lower chamber-equipped vacuum forming machine according to another embodiment of the present invention.
- FIG. 12 is a reduced operating state diagram of a four-sided airtight variable width clamp of a pre-blowing lower chamber-equipped vacuum forming machine according to another embodiment of the present invention.
- the lower chamber type vacuum forming machine provided with a four-sided hermetic width variable clamp is airtight sealing fabric lower clamp (100a), fabric upper clamp (100b), lower heater (200a) , the upper heater 200b, the lower mold 300a, the lower chamber 400 and the blowing device 500 are made to be included, and in the present invention, the airtight sealing type fabric lower clamp 100a is made of variable width so that the material
- the main gist of the present invention is that it can be expanded or reduced to correspond to the size of the fabric.
- the airtight sealing fabric lower clamp (100a) clamps and fixes the lower surface of the edge portion of the fabric material and seals the fabric.
- the fabric upper clamp (100b) is fixed by clamping the upper surface of the edge portion of the raw material.
- the lower heater 200a is disposed on the lower side of the fabric positioned in the heat-forming region to operate in the heating process.
- the upper heater 200b is disposed on the upper side of the fabric positioned in the heat-forming region to operate in the heating process.
- the lower mold 300a is disposed below the material located in the heat-forming region to operate in the vacuum forming process.
- the lower chamber 400 has a distal lower space 410 in which the lower heater 200a and the lower mold 300a are disposed, and the distal lower space 410 communicates with the upper surface constituting the heat-forming region.
- a bottom surface body 420 and a side wall body 430 surrounding the 410 is sealed to prevent air leakage to the outside.
- the blowing device 500 is installed in communication with the distal lower space 410 of the lower chamber 400, and introduces air of a set capacity into the distal lower space 410 by thermal expansion in the heating process. This prevents the material from sagging.
- the airtight sealing fabric lower clamp (100a) is composed of first, second, third, and fourth side plates (11, 12, 13, 14) to fit the side of the fabric, respectively, and the first, second, third, and fourth It is characterized in that it can be changed according to the size of the material by moving in the X and Y axes by the respective driving means of the face plates (11, 12, 13, 14).
- the first, second, third, and fourth side plates 11, 12, 13, and 14 are disposed along the edges of the four sides of the fabric and sealed while matching the size of the fabric.
- the first, second, third, and fourth surface plates 11, 12, 13, and 14 are respectively reciprocally movable lower plates 11a, 12a, 13a, 14a and the lower plates 11a, 12a, 13a.
- 14a) is interlocked at the upper part and is reciprocally movable in the direction at right angles to the lower plates 11a, 12a, 13a, 14a and is characterized in that it is composed of upper plates 11b, 12b, 13b, 14b that are in close contact with adjacent surfaces. .
- the first surface plate 11 is movable in the X-axis and Y-axis directions.
- it is composed of a lower plate 11a located in the lower portion and movable in the X-axis, and an upper plate 11b movable in the Y-axis, which is perpendicular to the upper portion of the lower plate 11a, so that it can move in two axes.
- the lower plate 11a is installed on the side of the lower chamber (not shown) and is movable along the X-axis along the LM guide 3 while the ball screw 2 is operated by the servo motor 4, and the upper
- the plate 11b is movable along the LM guide along the Y-axis while the ball screw is operated by a servo motor on the upper surface of the lower plate 11a, and the remaining lower plates 12a, 13a, 14a and the upper plate 12b , 13b, 14b) are the same principle that the shaft can be moved by the servo motor, ball screw, and LM guide, and the detailed description will be omitted below.
- the second surface plate 12 is installed at a position perpendicular to the first surface plate 11 .
- the second surface plate 12 is composed of a Y-axis movable lower plate 12a and an upper plate 12b movable in the X-axis direction, which is a direction perpendicular to the upper portion of the lower plate 12a, and the second The upper plate 12b of the face plate 12 is brought into close contact with the upper plate 11b of the first face plate 11 .
- the third surface plate 13 is installed at a position perpendicular to the second surface plate 12 to be in a position parallel to the first surface plate 11 .
- the third surface plate 13 is composed of an X-axis movable lower plate 13a and an upper plate 13b movable in the Y-axis direction, which is a direction perpendicular to the upper portion of the lower plate 13a, The upper plate 13b of the three-sided plate 13 is brought into close contact with the upper plate 12b of the second surface plate 12 .
- the fourth surface plate 14 is installed at a position perpendicular to the third surface plate 13 , and is in a position parallel to the second surface plate 12 .
- the fourth surface plate 14 is composed of a Y-axis movable lower plate 14a and an upper plate 14b movable in the X-axis direction, which is a direction perpendicular to the upper portion of the lower plate 14a, The upper plate 14b of the four-sided plate 14 is brought into close contact with the upper plate 13b of the third surface plate 13 .
- the upper plates 11b, 12b, 13b, and 14b are sequentially in close contact so that the size of the frame can be varied, and the width can be varied because they are in close contact with each other.
- the airtight sealing type fabric lower clamp (100a) is sealed at the end of the upper plate (11b, 12b, 13b, 14b) for sealing, the contact surface between the upper plate (11b, 12b, 13b, 14b) is airtight this is maintained.
- a sealing is formed between the upper plates 11b, 12b, 13b, and 14b and the raw material to maintain airtightness.
- the driving means can be used as an LM guide, and all other driving means can be used.
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Abstract
Description
Claims (9)
- 소재원단(1)을 진공 성형시키는 진공성형기에 있어서,소재원단(1)의 가장자리 부위 저면을 클램핑하여 고정시키는 기밀밀폐용 원단 하부클램프(100a);소재원단(1)의 가장자리 부위 상면을 클램핑하여 고정시키는 원단 상부클램프(100b);가열-성형 영역에 위치한 소재원단(1)의 하측에 배치되어 가열공정에서 동작하는 하부 히터(200a);상기 가열-성형 영역에 위치한 소재원단(1)의 상측에 배치되어 상기 가열공정에서 동작하는 상부 히터(200b);상기 가열-성형 영역에 위치한 소재원단(1)의 하측에 배치되어 진공성형공정에서 동작하는 하부 금형(300a);상기 하부 히터(200a)와 하부 금형(300a)이 배치되는 원단 하부공간(410)을 가지고, 상기 가열-성형 영역을 이루는 상부면과 연통되는 상기 원단 하부공간(410)을 둘러싸는 바닥면체(420)와 측벽체(430)가 구비되며, 상기 상부면으로 유입된 상기 소재원단(1)과 상기 기밀밀폐용 원단 하부클램프(100a)에 의해 상기 상부면이 폐쇄되면서 상기 원단 하부공간(410)이 밀폐되어 외부로의 공기 유출이 방지되는 하부챔버(400);상기 하부챔버(400)의 원단 하부공간(410)과 연통되게 설치되고, 상기 원단 하부공간(410)으로 설정용량의 공기를 유입시켜 상기 가열공정에서의 열팽창에 의한 상기 소재원단(1)의 처짐을 방지하는 블로잉 장치(500);상기 하부 히터(200a), 상부 히터(200b), 하부 금형(300a), 블로잉 장치(500)의 동작을 제어하는 컨트롤러(800);를 포함하는 구성으로 이루어지는 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 1항에 있어서,상기 가열공정에서의 소재원단 처짐정보를 검출하는 원단처짐 검출센서(900);를 포함하고,상기 컨트롤러(800)는 상기 원단처짐 검출센서(900)로부터 소재원단 처짐정보를 전달받고, 상기 소재원단 처짐정보에 맞추어 상기 블로잉 장치(500)의 동작을 실시간 제어하는 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 1항에 있어서,상기 블로잉 장치(500)는,상기 원단 하부공간(410)의 내부압력을 실시간 조절하여 가열공정에서의 상기 소재원단(1)의 수평배치나 진공성형공정에서의 상기 소재원단(1)의 상향 팽창을 유도하는 내부압력 조절모드;상기 원단 하부공간(410)의 상부면에 위치한 상기 소재원단(1)의 저면 방향으로 공기를 설정속도로 분출시켜 가열공정에서의 상기 소재원단(1)의 수평배치나 진공성형공정에서의 상기 소재원단(1)의 상향 팽창을 유도하는 공기분출 조절모드; 중에서 선택된 어느 하나의 모드를 구현하는 것임을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 1항에 있어서,상기 기밀밀폐용 원단 하부클램프(100a)는 "┘"형 수직단면 형상의 클램프 하부프레임(110a)이 직사각 틀의 각 변(side)을 이루는 구조로 이루어지고, 소재원단(1), 하부 금형(300a), 하부챔버(400)와 접촉하게 되는 부위에 기밀밀폐형 씰링 홈(120)을 형성하고,상기 원단 상부클램프(100b)는 "┐"형 수직단면 형상의 클램프 상부프레임(110b)이 직사각 틀의 각 변(side)을 이루는 구조로 이루어지되,상기 기밀밀폐용 원단 하부클램프(100a)의 기밀밀폐형 씰링 홈(120)에 끼움고정되는 기밀 패킹용 기밀밀폐형 씰링(130)에 의해 상기 원단 하부공간(410)의 기밀이 유지되는 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 4항에 있어서,상기 원단 상부클램프(100b)는,상부 베이스용 액추에이터(1300)에 의해 업-다운 동작하는 상부 베이스(1200)의 저면에 고정되고, 폭(w)이 조절되는 상부베이스측 클램프 상부프레임(113);상기 상부베이스측 클램프 상부프레임(113)과 직교하게 되는 금형측 클램프 상부프레임(112);으로 구성되는 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 1항에 있어서,상기 기밀 밀폐용 하부클램프(100a)는,상기 원단의 측면에 맞게 제1,2,3,4면 플레이트(11,12,13,14)로 각각 구성되고, 상기 제1,2,3,4면 플레이트(11,12,13,14)의 각각의 구동수단에 의해 X,Y축으로 이동하여 상기 소재원단의 크기에 맞게 가변되고 상호 접촉면에 기밀 가능한 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 6항에 있어서,상기 제1면 플레이트(11)는 X축과 Y축 방향으로 이동 가능하게 구성되고,상기 제2면 플레이트(12)는 상기 제1면 플레이트에 직각되는 위치에 설치되고, X축과 Y축 방향으로 이동 가능하게 구성되어 상기 제1면 플레이트의 일측면에 밀착 가능하며,상기 제3면 플레이트(13)는 상기 제2면 플레이트에 직각되는 위치에 설치되고, X축과 Y축 방향으로 이동 가능하게 구성되고, 상기 제2면 플레이트의 일측면에 밀착 가능하며,상기 제4면 플레이트(14)는 상기 제3면 플레이트에 직각되는 위치에 설치되고, X축과 Y축 방향으로 이동 가능하게 구성되고, 상기 제3면 플레이트의 일측면에 밀착 가능한 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 6항에 있어서,상기 제1,2,3,4면 플레이트(11,12,13,14)는,각각 왕복이동 가능한 하부플레이트(11a,12a,13a,14a)와, 상기 하부플레이트 상부에서 연동되며 상기 하부플레이트에 직각방향으로 왕복이동 가능하여 인접한 면끼리 밀착되는 상부플레이트(11b,12b,13b,14b)로 구성되는 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
- 제 6항에 있어서,상기 상부플레이트(11b,12b,13b,14b)에는 단부에 씰링이 형성되어 상기 상부플레이트(11b,12b,13b,14b)상호 접촉면에 기밀이 되며,상기 상부플레이트(11b,12b,13b,14b)와 상기 소재원단 사이에 씰링이 형성되어 기밀되는 것을 특징으로 하는 프리-블로잉 하부챔버 구비형 진공성형기.
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CN202180002468.2A CN115379939A (zh) | 2021-03-18 | 2021-05-06 | 预吹气下部腔室配备型真空成型机 |
EP21762332.1A EP4082753A4 (en) | 2021-03-18 | 2021-05-06 | VACUUM FORMING DEVICE WITH PREBLOWING CHAMBER |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940004199U (ko) * | 1992-07-15 | 1994-02-24 | 주식회사 에스 · 케이 · 씨 | 비디오 테이프 카세트의 커버 스프링 이탈방지구조 |
JPH1120015A (ja) * | 1997-06-27 | 1999-01-26 | Sumitomo Heavy Ind Ltd | シート成形機におけるシートクランプ装置 |
KR100465741B1 (ko) | 2002-04-19 | 2005-01-13 | 주식회사 신효 | 자동 진공성형 시스템의 시트 이송장치 |
JP4340552B2 (ja) * | 2004-01-28 | 2009-10-07 | アピックヤマダ株式会社 | 真空成形装置 |
KR101062994B1 (ko) | 2008-12-05 | 2011-09-07 | 한일이화주식회사 | 진공 씰링 수단을 구비하는 저압 진공 성형기 |
KR20120088094A (ko) * | 2011-01-31 | 2012-08-08 | 삼성전자주식회사 | 진공 성형 장치 및 진공 성형 방법 |
KR200466282Y1 (ko) | 2010-10-20 | 2013-04-08 | 한일이화주식회사 | 차량용 내장재 진공성형장치 |
KR20150125901A (ko) * | 2014-04-30 | 2015-11-10 | 한일이화 주식회사 | 차량용 내장재의 성형 장치 및 성형 방법 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101334869B1 (ko) * | 2011-12-06 | 2013-11-29 | (주)건양아이티티 | 가변클램프를 구비한 열성형기용 표피지 공급 장치 |
-
2021
- 2021-03-18 KR KR1020210035430A patent/KR102350308B1/ko active IP Right Grant
- 2021-05-06 WO PCT/KR2021/005636 patent/WO2022196862A1/ko unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940004199U (ko) * | 1992-07-15 | 1994-02-24 | 주식회사 에스 · 케이 · 씨 | 비디오 테이프 카세트의 커버 스프링 이탈방지구조 |
JPH1120015A (ja) * | 1997-06-27 | 1999-01-26 | Sumitomo Heavy Ind Ltd | シート成形機におけるシートクランプ装置 |
KR100465741B1 (ko) | 2002-04-19 | 2005-01-13 | 주식회사 신효 | 자동 진공성형 시스템의 시트 이송장치 |
JP4340552B2 (ja) * | 2004-01-28 | 2009-10-07 | アピックヤマダ株式会社 | 真空成形装置 |
KR101062994B1 (ko) | 2008-12-05 | 2011-09-07 | 한일이화주식회사 | 진공 씰링 수단을 구비하는 저압 진공 성형기 |
KR200466282Y1 (ko) | 2010-10-20 | 2013-04-08 | 한일이화주식회사 | 차량용 내장재 진공성형장치 |
KR20120088094A (ko) * | 2011-01-31 | 2012-08-08 | 삼성전자주식회사 | 진공 성형 장치 및 진공 성형 방법 |
KR20150125901A (ko) * | 2014-04-30 | 2015-11-10 | 한일이화 주식회사 | 차량용 내장재의 성형 장치 및 성형 방법 |
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