WO2016093320A1 - 裁断装置及びその運転方法 - Google Patents
裁断装置及びその運転方法 Download PDFInfo
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- WO2016093320A1 WO2016093320A1 PCT/JP2015/084697 JP2015084697W WO2016093320A1 WO 2016093320 A1 WO2016093320 A1 WO 2016093320A1 JP 2015084697 W JP2015084697 W JP 2015084697W WO 2016093320 A1 WO2016093320 A1 WO 2016093320A1
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- Prior art keywords
- blade
- cutting
- support surface
- acute angle
- cutting blade
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/18—Toggle-link 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/45—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member the movement of which is not covered by any preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
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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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0027—Cutting off
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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
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
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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
- B29K2307/00—Use of elements other than metals as reinforcement
- B29K2307/04—Carbon
Definitions
- the present invention relates to a cutting apparatus that cuts an object to be cut that moves on a support surface, and an operation method thereof.
- the present invention is a long extrusion reinforcement by extruding a kneaded material containing reinforcing fibers having fluidity formed by kneading while heating reinforcing fibers such as carbon fibers and glass fibers and a thermoplastic resin from an extruder.
- a cutting device that continuously forms a fiber-containing kneaded material, and cuts the extruded reinforcing fiber-containing kneaded material that is extruded from an extruder and moves on a support surface into a predetermined length before the thermoplastic resin is cured; and It relates to the driving method.
- Patent Document 1 discloses a conventional structure of a cutting apparatus that cuts a work such as a notebook or a document in which a certain number of sheets are stacked into two parts.
- the cutting device includes a blade control mechanism that operates to cut a workpiece while swinging the blade in a horizontal direction and displacing the blade from an inclined posture to a horizontal posture.
- the blade control mechanism is such that the blade holder is pivotally supported by two arms of different lengths in front and back to make the blade tilt, and the link arm is pivotally supported by the blade holder.
- the lifting / lowering movable part of the lifting / lowering mechanism is connected to the L-shaped arm that is pivotally supported, and the blade is swung in conjunction with the lifting / lowering movable part of the lifting / lowering mechanism.
- Patent Document 2 Japanese Patent Laid-Open No. 8-47894
- the cutter that is pivotally supported by two arms and supported by the front and rear is set in an inclined posture, and the two arms that hold the cutter are swung.
- a cutting device that realizes a swinging motion of a blade.
- the swing movement of the blade is realized by swinging two arms.
- a problem arises in that the size of the apparatus increases because a swing space for the two arms must be secured.
- the assembly accuracy and the processing accuracy of the parts had to be considerably high.
- an extrusion machine is used for a kneaded material containing reinforcing fibers having fluidity formed by kneading a reinforcing fiber such as carbon fiber or glass fiber and a thermoplastic resin while the cut object moving on the support surface is heated.
- An object of the present invention is to provide a cutting apparatus and a method for operating the cutting apparatus, which can cause the cutting blade to swing without increasing the size of the blade moving mechanism and can increase the moving speed of the cutting blade. It is in.
- a reinforcing fiber-containing kneaded material having fluidity formed by kneading reinforcing fibers and a thermoplastic resin while being heated is extruded from an extruder to continuously form a long extruded reinforcing fiber-containing kneaded material.
- a cutting device for cutting the extruded reinforcing fiber-containing kneaded material extruded from the extruder and moving on the support surface into a predetermined length before the thermoplastic resin is cured,
- a plate-shaped cutting tool having a blade at an end is moved from a first position, which is located above the extruded reinforcing fiber-containing kneaded material, to a second position where the blade comes into contact with the support surface. And then cutting the extruded reinforcing fiber-containing kneaded material moving on the support surface with the cutting blade by returning the cutting blade from the second position to the first position.
- the blade moving mechanism is A first guide link forming a first guide path extending at a first acute angle with respect to the support surface; A second guide path that is disposed at a distance from the first guide link in a surface direction of the support surface and extends to form a second acute angle larger than the first acute angle with respect to the support surface; A second guide link to be formed; A first pair that is fixed to the cutting blade and forms a slip pair with the first guide link so as to form a pair of turns around a first imaginary line orthogonal to the plate surface of the cutting blade.
- a connecting portion A second pair that is fixed to the cutting blade and forms a slip pair between the cutting guide and the second guide link so as to form a pair of turns around a second imaginary line orthogonal to the plate surface of the cutting blade.
- a connecting part A reciprocating linear motion mechanism configured to reciprocate linearly between the origin position and the end position by the power from the drive source; and A third connecting portion for connecting the cutting blade and the action point of the reciprocating linear motion mechanism so as to form a pair of turns around a third imaginary line orthogonal to the plate surface of the cutting blade; , When the action point of the reciprocating linear motion mechanism is at the origin position and the blade of the cutting blade is at the first position, an angle is formed between the blade and the support surface, and the reciprocating linear motion In the process in which the cutting blade approaches the second position from the first position as the action point of the movement mechanism moves from the origin position to the end position, the blade supports the support surface with respect to the support surface.
- the first acute angle and the first angle so that the angle between the blade and the support surface gradually decreases while the extruded reinforcing fiber-containing kneaded material that slides and moves in the surface direction of the surface is compressed.
- a cutting apparatus in which an acute angle of 2 and a positional relationship between the first to third connecting portions are defined.
- a cutting device for cutting an object to be cut moving on a support surface A plate-shaped cutting tool having a blade at an end is moved from a first position located above the object to be cut and above the object to be cut to a second position where the entire blade is in contact with the supporting surface. And a blade moving mechanism for cutting the workpiece that is moving on the support surface by returning the cutting blade from the second position to the first position.
- the blade moving mechanism is A first guide link forming a first guide path extending at a first acute angle with respect to the support surface; A second guide path that is disposed at a distance from the first guide link in a surface direction of the support surface and extends to form a second acute angle larger than the first acute angle with respect to the support surface; A second guide link to be formed; A first pair that is fixed to the cutting blade and forms a slip pair with the first guide link so as to form a pair of turns around a first imaginary line orthogonal to the plate surface of the cutting blade. A connecting portion; A second pair that is fixed to the cutting blade and forms a slip pair between the cutting guide and the second guide link so as to form a pair of turns around a second imaginary line orthogonal to the plate surface of the cutting blade.
- a connecting portion A reciprocating linear motion mechanism configured to reciprocate linearly between the origin position and the end position by the power from the drive source; and A third connecting portion for connecting the cutting blade and the action point of the reciprocating linear motion mechanism so as to form a pair of turns around a third imaginary line orthogonal to the plate surface of the cutting blade; ,
- the action point of the reciprocating linear motion mechanism is at the origin position and the blade of the cutting blade is at the first position, an angle is formed between the blade and the support surface, and the reciprocating linear motion
- the blade supports the support surface with respect to the support surface.
- the first acute angle and the second acute angle, and the first to third connecting portions to third so that the angle between the blade and the support surface is gradually decreased.
- the third acute angle ⁇ 3 between the movement locus connecting the origin position and the end point position and the support surface is larger than the first acute angle ⁇ 1 and smaller than the second acute angle ⁇ 2.
- the first acute angle ⁇ 1, the second acute angle ⁇ 2, and the third acute angle ⁇ 3 are such that when the operating point of the reciprocating linear motion mechanism reaches the end point position, the blade is The cutting device according to (3), wherein the cutting device is defined so as to be in a state of being in full contact with the support surface at the position of.
- the reinforcing fiber is a carbon fiber
- the thermoplastic resin is a polyamide resin
- the first acute angle ⁇ 1 is 50 degrees to 60 degrees
- the second acute angle ⁇ 2 is 70 degrees to 80 degrees.
- the first connecting portion and the second connecting portion are located on a virtual straight line parallel to the straight blade
- the third connecting portion Is the cutting device according to the above (1) or (2), which is located between the first connecting portion and the second connecting portion and between the straight blade and the virtual straight line.
- the cutting apparatus includes, for example, an extrusion machine containing a reinforced fiber-containing kneaded material having fluidity formed by kneading a material to be cut with a reinforcing fiber such as carbon fiber or glass fiber and a thermoplastic resin.
- a reinforcing fiber such as carbon fiber or glass fiber
- a thermoplastic resin such as polyethylene glycol
- the following effects are exhibited. That is, the extruded reinforcing fiber-containing kneaded material (cut material) that has been pushed out of the extruder and moved on the support surface is allowed to swing on the cutting blade without increasing the size of the blade moving mechanism of the cutting device. Moreover, an excellent effect of enabling the cutting blade to be moved at a high speed is exhibited.
- the cutting apparatus is configured such that a plate-shaped cutting blade having a blade at an end portion is moved from a first position where the blade is separated from the support surface and above the object to be cut, to the second position where the entire blade contacts the support surface. And a cutting tool moving mechanism for cutting the workpiece moving on the support surface by returning the cutting blade from the second position to the first position.
- the blade movement mechanism includes a first guide link that forms a first guide path extending so as to form a first acute angle with respect to the support surface, and an interval in the surface direction of the support surface from the first guide link.
- a second guide link that is disposed open to form a second guide path that extends to form a second acute angle greater than the first acute angle with respect to the support surface.
- the cutter moving mechanism is fixed to the cutter so as to form a pair of turns around a first imaginary line orthogonal to the plate surface of the cutting blade, and forms a slip pair with the first guide link.
- 1 connection part is provided.
- the blade moving mechanism is fixed to the blade so as to form a pair of turns around a second imaginary line orthogonal to the plate surface of the cutting blade, and forms a slip pair with the second guide link.
- Two connecting portions are provided.
- the blade moving mechanism includes a reciprocating linear motion mechanism configured such that an action point performs a reciprocating linear motion between an origin position and an end point position by power from a drive source, and a first orthogonal to the plate surface of the cutting blade.
- a third connecting portion for connecting the cutting blade and the action point of the reciprocating linear motion mechanism so as to form a pair of turns around the three imaginary lines.
- the blade of the cutting blade when the operating point of the reciprocating linear motion mechanism is at the origin position and the blade of the cutting blade is at the first position, an angle is formed between the blade and the support surface.
- the blade slides in the direction of the support surface relative to the support surface.
- the first acute angle ⁇ 1 and the second acute angle ⁇ 2 and the first connecting portion through the first connecting portion or the like so that the angle between the blade and the support surface gradually decreases (ideally, the angle becomes 0). The positional relationship of the third connecting portion is determined.
- the first connecting portion and the second connecting portion are located on the first guide link and the second guide link.
- the first guide link and the second guide link do not swing, and the cutting blade can be swung without increasing the size of the blade moving mechanism.
- the first to third connecting portions only move linearly, the cutting blade can be moved at a high speed, and cutting can be performed without receiving a large force from the moving object to be cut. As a result, it is possible to suppress the deterioration of the cutting blade and extend the life of the cutting blade.
- the blade of the cutting blade moves from a posture inclined so as to form a predetermined angle with respect to the support surface, or moves so as to contact or exceed the support surface, and the angle between the blade of the cutting blade and the support surface. Becomes smaller smoothly (approaching 0).
- the angle (third acute angle) ⁇ 3 between the movement locus connecting the origin position and the end point position of the reciprocating linear motion mechanism and the support surface may be larger than the first acute angle ⁇ 1 and smaller than the second acute angle ⁇ 2. preferable. If it does in this way, a reciprocating linear motion mechanism can be arranged compactly between the 1st guide link and the 2nd guide link. Specifically, the first acute angle ⁇ 1, the second acute angle ⁇ 2, and the third acute angle ⁇ 3 are supported by the blade being in the second position when the operating point of the reciprocating linear motion mechanism reaches the end point position. It is determined to be in full contact with the surface.
- the reinforcing fiber is carbon fiber and the thermoplastic resin is a polyamide resin such as nylon
- the first acute angle ⁇ 1 is 50 degrees to 60 degrees
- the second acute angle ⁇ 2 is 70 degrees to 80 degrees. Is preferred. Under these conditions, the carbon fibers can be reliably cut when the extruded reinforcing fiber-containing kneaded product is cut while being compressed.
- the blade of the cutting blade may be double-edged or single-edged.
- the material to be cut is formed by extruding a kneaded material containing reinforcing fibers having fluidity formed by kneading while heating reinforcing fibers such as carbon fibers and glass fibers and a thermoplastic resin from an extruder.
- a scale-like extruded reinforcing fiber-containing kneaded material it is preferably a single-edged blade.
- the first connecting portion and the second connecting portion are located on a virtual straight line parallel to the straight blade, and the third connecting portion is the first connecting portion and the second connecting portion. It is preferable to be located between the two connecting portions and between the straight blade and the virtual straight line.
- the reciprocating linear motion mechanism moves the cutting blade back and forth at an average speed of 5 times or more the moving speed of the extruded reinforcing fiber-containing kneaded material moving on the support surface,
- the reinforcing fiber-containing kneaded material is cut.
- the force received by the cutting blade from the moving extruded reinforcing fiber-containing kneaded product can be reduced to such an extent that the blade of the cutting blade can be prevented from deteriorating.
- FIG. 1A to FIG. 1C are front views of the cutting device showing the structure of the cutting device and the movement of the blade moving mechanism according to the embodiment of the present invention in time series.
- 2A is a front view of the cutting blade
- FIGS. 2B and 2C show the relationship between the operation of the cutting blade and the power source of the blade moving mechanism used in the embodiment shown in FIG. It is a figure used for demonstrating.
- FIG. 3 is a diagram used to show the state of movement of the blade moving mechanism used in the present embodiment.
- 4 (A) to 4 (C) are diagrams used to explain the cutting situation while paying attention to a single carbon fiber.
- FIGS. 1A to 1C are front views of the cutting device showing the structure of the cutting device 1 and the movement of the blade moving mechanism 10 according to the embodiment of the present invention in time series.
- the cutting blade 5 and the like are drawn as transparent in FIG. 2A is a front view of the cutting blade 5
- FIGS. 2B and 2C are views of the operations of the cutting blade 5 and the power source 37 of the blade moving mechanism 10 used in the embodiment of FIG. It is a figure used in order to demonstrate a relationship.
- FIG. 1A to 1C are front views of the cutting device showing the structure of the cutting device 1 and the movement of the blade moving mechanism 10 according to the embodiment of the present invention in time series.
- FIGS. 2B and 2C are views of the operations of the cutting blade 5 and the power source 37 of the blade moving mechanism 10 used in the embodiment of FIG. It is a figure used in order to demonstrate a relationship.
- FIG. 1A to 1C are front views of the cutting device showing the structure of the cutting device 1 and the movement of the blade moving mechanism 10
- the object to be cut by the cutting apparatus 1 of the present embodiment is formed by kneading while heating a reinforcing fiber such as carbon fiber or glass fiber and a thermoplastic resin made of polyamide resin including nylon.
- a reinforcing fiber such as carbon fiber or glass fiber and a thermoplastic resin made of polyamide resin including nylon.
- This is a long extruded reinforcing fiber-containing kneaded material 13 formed by extruding the fluidized reinforcing fiber-containing kneaded material from an extruder.
- the extruded reinforcing fiber-containing kneaded product 13 has a thickness T of, for example, 5 cm to 7 cm, and a width W of 80 cm to 100 cm.
- the extruded reinforcing fiber-containing kneaded product 13 extruded from the extruder does not completely cure the thermoplastic resin yet, and thus is compressed and deformed when pressed with a strong force like agar, which is an edible gel material. .
- reinforcing fibers such as carbon fibers cannot be cut easily, and therefore, the cutting requires some ingenuity.
- the cutting apparatus according to the present embodiment is suitable for cutting such a special moving object to be cut.
- the cutting device 1 includes an extruded reinforcing fiber-containing kneading material as a material to be cut that moves on a support surface 15 of a support 14 provided on a base 11. In a state where the object 13 is supported, it is cut with a plate-like cutting blade 5 having a blade 51 at the end. In the cutting device 1, the cutting surface 5 is separated from the support surface 15 and the support surface 15 covers the entire blade 51 from the first position [state shown in FIG. 1A] positioned above the object to be cut (13). There is provided a blade moving mechanism 10 that moves toward the second position [the state shown in FIG. 1C] and then returns the cutting blade 5 from the second position to the first position.
- the object to be cut by placing the support 14 on the pedestal 11 and performing cutting in a state where the object to be cut is slightly lifted, the object to be cut can be reliably secured in a state where the pressing force of the cutting blade 5 is reduced. It is possible to cut into pieces.
- the surface of the base 11 may be the support surface 15 without providing the support 14.
- the blade moving mechanism 10 includes a first guide link 17 that forms a first guide path that extends to form a first acute angle ⁇ 1 [see FIG. 2C] with respect to the support surface 15.
- the blade moving mechanism 10 is disposed at a distance from the first guide link 17 in the surface direction of the support surface 15 and has a second acute angle ⁇ 2 larger than the first acute angle ⁇ 1 with respect to the support surface 15 [FIG. 2 (C)] is provided, and a second guide link 19 is formed to form a second guide path extending so as to form the following.
- the first guide link 17 includes two guide bars 17A and 17B. Both ends of the two guide bars 17A and 17B are fixed to two horizontal frames 25 and 27 fixed to two vertical frames 21 and 23, respectively.
- a slider 18 is slidably provided on the two guide bars 17A and 17B so as to straddle the guide bars 17A and 17B.
- the second guide link 19 is constituted by two guide bars 19A and 19B. Both ends of the two guide bars 19A and 19B are fixed to two horizontal frames 25 and 27 fixed to the two vertical frames 21 and 23, respectively.
- the two guide bars 19A and 19B are slidably provided so that the slider 20 straddles the guide bars 19A and 19B.
- the blade moving mechanism 10 is fixed to the cutting blade 5 so as to form a pair around the first virtual line VL1 orthogonal to the plate surface 53 of the cutting blade 5.
- a first connecting portion 31 (see FIGS. 1 (a) to 1 (c) and FIG. 3) that forms a sliding pair with the first guide link 17 is provided.
- the blade moving mechanism 10 is fixed to the cutting blade 5 so as to form a pair around the second imaginary line VL2 [FIG. 2C] orthogonal to the plate surface 53 of the cutting blade 5 and the second blade VL2.
- a second connecting portion 33 (see FIGS. 1 (a) to 1 (c) and FIG. 3) that forms a sliding pair with the guide link 19 is provided.
- the blade moving mechanism 10 includes a reciprocating linear motion mechanism 38 configured such that the operating point OP performs a reciprocating linear motion between an origin position and an end point position by power from an electric motor 37 as a driving source, and a cutting blade.
- the cutting blade 5 and the operating point OP of the reciprocating linear motion mechanism 38 are connected so as to form a pair of turns around a third virtual line VL3 [FIG. 2C] orthogonal to the plate surface 53 of the fifth plate. 3 connecting portions 35.
- VL3 virtual line orthogonal to the plate surface 53 of the fifth plate. 3 connecting portions 35.
- FIG. 2B the action point OP indicated by the symbol OP is at the origin position, and the action point OP ′ indicated by the symbol OP ′ is at the end point position.
- reference numerals 31 ′ to 35 ′ are attached to through holes into which the first to third connecting portions 31 to 35 are rotatably fitted.
- the action point OP performs a reciprocating linear motion between the origin position and the end point position as the electric motor 37 rotates.
- the reciprocating linear motion mechanism 38 has a first link 38A having one end fixed to the shaft of the electric motor 37, one end rotatably fixed to the other end of the first link 38A, and the other end connected to a third connection.
- the second link 38B is rotatably fixed to the portion 35.
- the first connecting portion 31 and the second connecting portion 33 are located on a virtual straight line VL4 parallel to the straight blade.
- the third connecting portion 35 is located between the first connecting portion 31 and the second connecting portion 33 and between the straight blade and the virtual straight line VL4.
- the operating point OP of the reciprocating linear motion mechanism 38 is at the origin position, and the blade 51 of the cutting blade 5 is at the first position [position in the state on the left side in FIG. 1 (A) and FIG. 3].
- the angle ⁇ between the blade 51 and the support surface 15 is an acute angle.
- the first acute angle ⁇ 1 and the second acute angle ⁇ 2 and the first connecting portion 31 to the third connecting portion 35 are set so that the angle ⁇ between the blade 51 and the support surface 15 gradually decreases.
- the positional relationship is determined.
- the third acute angle ⁇ 3 between the motion trajectory of the reciprocating linear motion mechanism 38 and the support surface 15 is determined to satisfy ⁇ 1 ⁇ 3 ⁇ 2.
- the operating point OP of the reciprocating linear motion mechanism 38 is changed from the origin position [position in the state on the left side in FIG. 1A and FIG. 3] to the end position [in FIG.
- the first connecting portion 31 and the second connecting portion 33 are connected to the first guide link 17 and the second guide portion 17, respectively. Slide on the guide link 19.
- the first guide link 17 and the second guide link 19 do not swing, and the blade 51 of the cutting blade 5 moves while being reliably guided on both sides.
- the force applied from the reciprocating linear motion mechanism 38 can apply a substantially uniform force to each part of the blade 51.
- the blade 51 of the cutting blade 5 moves from a posture inclined so as to form a predetermined angle ⁇ with respect to the support surface 15 so as to come into full contact with or exceed the support surface 15.
- the angle ⁇ between the blade 51 of the cutting blade 5 and the support surface 15 is smoothly reduced (becomes 0).
- the blade 51 of the cutting blade 5 may be a double blade or a single blade, but in this embodiment, a single blade is adopted. Unlike this embodiment, when another object is disposed at a position facing the blade 51 so that the object to be cut (13) is sandwiched therebetween, and the object to be cut is cut from both sides, the object to be cut that moves is moved. This is not preferable because a phenomenon that a part of the blade is chopped off and remains between the two blades appears.
- the first acute angle ⁇ 1 of the first guide link 17 and the second acute angle ⁇ 2 and the third acute angle ⁇ 3 of the second guide link 19 are ⁇ 1 ⁇ 3 ⁇ . It is preferable to determine so as to satisfy the relationship of ⁇ 2. Specifically, the first acute angle ⁇ 1, the second acute angle ⁇ 2, and the third acute angle ⁇ 3 are such that the blade 51 is moved to the second position when the operating point of the reciprocating linear motion mechanism 38 reaches the end point position. Therefore, it is determined to be in full contact with the support surface 15. If it defines in this way, as FIG.2 (B) shows, the 1st connection part 31 and the 2nd connection part 33 will each carry out a linear motion smoothly.
- the reinforcing fiber is carbon fiber and the thermoplastic resin is a polyamide resin such as nylon
- the first acute angle ⁇ 1 is 50 degrees to 60 degrees
- the second acute angle ⁇ 2 is 70 degrees to 80 degrees.
- the reciprocating linear motion mechanism 38 is 5 times the moving speed of the extruded reinforcing fiber-containing kneaded material 13 moving on the support surface 15 at a speed of 2 to 20 mm / second, for example.
- the cutting blade 5 is reciprocated at the above average speed (for example, 100 mm / second to 200 mm / second) to cut the extruded reinforcing fiber-containing kneaded material 13.
- the force received by the cutting blade 5 from the moving extruded reinforcing fiber-containing kneaded material 13 can be reduced to such an extent that the blade 51 of the cutting blade 5 can be prevented from deteriorating.
- the blade 51 can be cut into the extruded reinforcing fiber-containing kneaded product 13 without over-compressing the extruded reinforcing fiber-containing kneaded product 13, so that the extruded reinforcing fiber-containing kneaded product 13 can be cut well. it can.
- the extruded reinforcing fiber-containing kneaded material is targeted as the material to be cut, but the present invention is also applied to other materials to be cut as long as they move on the support surface and are compressed by the cutting blade.
- the cutting device of the form and its operating method it is possible to apply the cutting device of the form and its operating method.
- the present invention is not limited to the above-described embodiment, and can be appropriately modified and improved.
- the material, shape, dimension, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.
- a fluid-reinforced reinforcing fiber-containing kneaded material formed by kneading reinforcing fibers and a thermoplastic resin while being heated is extruded from an extruder to continuously form a long extruded reinforcing-fiber-containing kneaded material (13).
- the extruded reinforcing fiber-containing kneaded product (13) that has been formed and moved from the extruder and moved on the support surface (15) is made to a predetermined length before the thermoplastic resin is cured.
- a cutting device (1) for cutting A plate-shaped cutting blade (5) having a blade (51) at its end is moved from the first position located above the extruded reinforcing fiber-containing kneaded material (13) and away from the support surface (15). (51) is moved toward the second position where it contacts the support surface (15), and then the cutting blade (5) is returned from the second position to the first position, thereby the support surface.
- the blade moving mechanism (10) for cutting the extruded reinforcing fiber-containing kneaded material (13) moving above with the cutting blade (5),
- the blade moving mechanism (10) A first guide link (17) forming a first guide path extending so as to form a first acute angle ( ⁇ 1) with respect to the support surface (15);
- a second distance greater than the first acute angle ( ⁇ 1) with respect to the support surface (15) is arranged at a distance from the first guide link (17) in the surface direction of the support surface (15).
- a second guide link (19) forming a second guide path extending so as to form an acute angle ( ⁇ 2);
- the sliding pair is fixed between the cutting blade and the first guide link so as to form a turning pair around a first imaginary line (VL1) orthogonal to the plate surface of the cutting blade (5).
- a first connecting part (31) forming A pair of slips is formed between the second guide link and fixed to the cutting blade so as to form a pair of turns around a second virtual line (VL2) orthogonal to the plate surface of the cutting blade.
- VL3 virtual line
- the first acute angle ( ⁇ 1) is set so that the angle ( ⁇ ) between the blade (51) and the support surface (15) gradually decreases.
- the second acute angle ( ⁇ 2) and the first connecting portion The third positional relationship and is cutting device is defined in the connecting portion (31, 33, 35) of (1).
- the blade moving mechanism (38) A first guide link (17) forming a first guide path extending so as to form a first acute angle ( ⁇ 1) with respect to the support surface (15);
- a second distance greater than the first acute angle ( ⁇ 1) with respect to the support surface (15) is arranged at a distance from the first guide link (17) in the surface direction of the support surface (15).
- a second guide link (19) forming a second guide path extending so as to form an acute angle ( ⁇ 2);
- the first guide link (17) is fixed to the cutting blade (5) so as to form a counter pair around the first imaginary line (VL1) orthogonal to the plate surface of the cutting blade (5).
- a first connecting part (33) forming a slip pair between and The second guide link (19) is fixed to the cutting blade (5) so as to form a pair of turns around a second imaginary line (VL2) orthogonal to the plate surface of the cutting blade (5).
- a second connecting part (33) forming a slip pair between and A reciprocating linear motion mechanism (38) configured such that the operating point (OP) performs a reciprocating linear motion between an origin position and an end position by power from a drive source (electric motor 37); The operating points of the cutting blade (5) and the reciprocating linear motion mechanism (38) so as to form a pair of turns around a third virtual line (VL3) orthogonal to the plate surface of the cutting blade (5).
- a third acute angle ( ⁇ 3) between the movement locus connecting the origin position and the end point position and the support surface (15) is larger than the first acute angle ( ⁇ 1).
- the operating point (OP) of the reciprocating linear motion mechanism (38) is the end point position.
- the reinforcing fiber is a carbon fiber
- the thermoplastic resin is a polyamide resin
- the first acute angle ( ⁇ 1) is 50 degrees to 60 degrees
- the second acute angle ( ⁇ 2) is 70 degrees.
- the cutting apparatus (1) according to the above [1], which is at 80 degrees.
- the first connecting portion (31) and the second connecting portion (33) are on a virtual straight line (VL4) parallel to the straight blade when the blade (51) is a straight blade.
- the third connecting part (35) is located between the first connecting part (31) and the second connecting part (33) and between the straight blade and the virtual straight line (VL4).
- the cutting device (1) according to the above [1] or [2], which is located between the two.
- the first guide link and the second guide link do not swing, and the cutting blade can be swung without increasing the size of the blade moving mechanism. Further, since the first to third connecting portions only move linearly, the cutting blade can be moved at a high speed, and cutting can be performed without receiving a large force from the moving object to be cut. As a result, it is possible to suppress the deterioration of the cutting blade and extend the life of the cutting blade.
- the present invention having such an effect is useful in the field of the cutting device and its operating method.
Abstract
Description
(1) 補強繊維と熱可塑性樹脂とを加熱しながら混練して形成した流動性を有する補強繊維含有混練物を、押出機から押し出して長尺状の押し出し補強繊維含有混練物を連続的に形成し、前記押出機から押し出されて支持面上を移動している前記押し出し補強繊維含有混練物を、前記熱可塑性樹脂が硬化する前に、所定の長さに裁断する裁断装置であって、
端部に刃を有する板状の裁断刃物を、前記支持面から離れ且つ前記押し出し補強繊維含有混練物の上方に位置する第1の位置から前記刃が前記支持面と接触する第2の位置に向かって移動させ、その後前記第2の位置から前記第1の位置に前記裁断刃物を戻すことにより、前記支持面上を移動している前記押し出し補強繊維含有混練物を前記裁断刃物により裁断する刃物移動機構を備え、
前記刃物移動機構は、
前記支持面に対して第1の鋭角をなすように延びる第1の案内路を形成する第1の案内リンクと、
前記第1の案内リンクから前記支持面の面方向に間隔を開けて配置されて前記支持面に対して前記第1の鋭角よりも大きい第2の鋭角をなすように延びる第2の案内路を形成する第2の案内リンクと、
前記裁断刃物の板面と直交する第1の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第1の案内リンクとの間にすべり対偶を形成する第1の連結部と、
前記裁断刃物の板面と直交する第2の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第2の案内リンクとの間にすべり対偶を形成する第2の連結部と、
駆動源からの動力により作用点が原点位置と終点位置との間を往復直線運動をするように構成された往復直線運動機構と、
前記裁断刃物の板面と直交する第3の仮想線を中心にした回り対偶を形成するように前記裁断刃物と前記往復直線運動機構の前記作用点とを連結する第3の連結部とを備え、
前記往復直線運動機構の前記作用点が前記原点位置にあって前記裁断刃物の前記刃が前記第1の位置にあるときには、前記刃と前記支持面との間に角度を形成し、前記往復直線運動機構の前記作用点が前記原点位置から前記終点位置に移動することにより前記裁断刃物が前記第1の位置から前記第2の位置に近付く過程において、前記刃が前記支持面に対して前記支持面の面方向にスライドし且つ移動する前記押し出し補強繊維含有混練物を圧縮させながら、前記刃と前記支持面との間の前記角度が徐々に小さくなるように、前記第1の鋭角及び前記第2の鋭角と、前記第1の連結部乃至第3の連結部の位置関係とが定められている裁断装置。
端部に刃を有する板状の裁断刃物を前記支持面から離れ且つ前記被裁断物の上方に位置する第1の位置から前記刃全体が前記支持面と接触する第2の位置に向かって移動させ、その後前記第2の位置から前記第1の位置に前記裁断刃物を戻すことにより前記支持面上を移動している前記被裁断物を裁断する刃物移動機構を備え、
前記刃物移動機構は、
前記支持面に対して第1の鋭角をなすように延びる第1の案内路を形成する第1の案内リンクと、
前記第1の案内リンクから前記支持面の面方向に間隔を開けて配置されて前記支持面に対して前記第1の鋭角よりも大きい第2の鋭角をなすように延びる第2の案内路を形成する第2の案内リンクと、
前記裁断刃物の板面と直交する第1の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第1の案内リンクとの間にすべり対偶を形成する第1の連結部と、
前記裁断刃物の板面と直交する第2の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第2の案内リンクとの間にすべり対偶を形成する第2の連結部と、
駆動源からの動力により作用点が原点位置と終点位置との間を往復直線運動をするように構成された往復直線運動機構と、
前記裁断刃物の板面と直交する第3の仮想線を中心にした回り対偶を形成するように前記裁断刃物と前記往復直線運動機構の前記作用点とを連結する第3の連結部とを備え、
前記往復直線運動機構の前記作用点が前記原点位置にあって前記裁断刃物の前記刃が前記第1の位置にあるときには、前記刃と前記支持面との間に角度を形成し、前記往復直線運動機構の前記作用点が前記原点位置から前記終点位置に移動することにより前記裁断刃物が前記第1の位置から前記第2の位置に近付く過程において、前記刃が前記支持面に対して前記支持面の面方向にスライドし且つ前記刃と前記支持面との間の前記角度が徐々に小さくなるように、前記第1の鋭角及び前記第2の鋭角と、前記第1の連結部乃至第3の連結部の位置関係とが定められている裁断装置。
端部に刃(51)を有する板状の裁断刃物(5)を、前記支持面(15)から離れ且つ前記押し出し補強繊維含有混練物(13)の上方に位置する第1の位置から前記刃(51)が前記支持面(15)と接触する第2の位置に向かって移動させ、その後前記第2の位置から前記第1の位置に前記裁断刃物(5)を戻すことにより、前記支持面(15)上を移動している前記押し出し補強繊維含有混練物(13)を前記裁断刃物(5)により裁断する刃物移動機構(10)を備え、
前記刃物移動機構(10)は、
前記支持面(15)に対して第1の鋭角(θ1)をなすように延びる第1の案内路を形成する第1の案内リンク(17)と、
前記第1の案内リンク(17)から前記支持面(15)の面方向に間隔を開けて配置されて前記支持面(15)に対して前記第1の鋭角(θ1)よりも大きい第2の鋭角(θ2)をなすように延びる第2の案内路を形成する第2の案内リンク(19)と、
前記裁断刃物(5)の板面と直交する第1の仮想線(VL1)を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第1の案内リンクとの間にすべり対偶を形成する第1の連結部(31)と、
前記裁断刃物の板面と直交する第2の仮想線(VL2)を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第2の案内リンクとの間にすべり対偶を形成する第2の連結部(33)と、
駆動源(電動モータ37)からの動力により作用点(OP)が原点位置と終点位置との間を往復直線運動をするように構成された往復直線運動機構(38)と、
前記裁断刃物(5)の板面と直交する第3の仮想線(VL3)を中心にした回り対偶を形成するように前記裁断刃物(5)と前記往復直線運動機構(38)の前記作用点(OP)とを連結する第3の連結部(35)とを備え、
前記往復直線運動機構(38)の前記作用点(OP)が前記原点位置にあって前記裁断刃物(5)の前記刃(51)が前記第1の位置にあるときには、前記刃(51)と前記支持面(15)との間に角度(θ)を形成し、前記往復直線運動機構(38)の前記作用点(OP)が前記原点位置から前記終点位置に移動することにより前記裁断刃物(5)が前記第1の位置から前記第2の位置に近付く過程において、前記刃(51)が前記支持面(15)に対して前記支持面(15)の面方向にスライドし且つ移動する前記押し出し補強繊維含有混練物(13)を圧縮させながら、前記刃(51)と前記支持面(15)との間の前記角度(θ)が徐々に小さくなるように、前記第1の鋭角(θ1)及び前記第2の鋭角(θ2)と、前記第1の連結部乃至第3の連結部(31,33,35)の位置関係とが定められている裁断装置(1)。
端部に刃(51)を有する板状の裁断刃物(5)を前記支持面(15)から離れ且つ前記被裁断物(押し出し補強繊維含有混練物13)の上方に位置する第1の位置から前記刃(51)全体が前記支持面(15)と接触する第2の位置に向かって移動させ、その後前記第2の位置から前記第1の位置に前記裁断刃物(5)を戻すことにより前記支持面(15)上を移動している前記被裁断物を裁断する刃物移動機構(38)を備え、
前記刃物移動機構(38)は、
前記支持面(15)に対して第1の鋭角(θ1)をなすように延びる第1の案内路を形成する第1の案内リンク(17)と、
前記第1の案内リンク(17)から前記支持面(15)の面方向に間隔を開けて配置されて前記支持面(15)に対して前記第1の鋭角(θ1)よりも大きい第2の鋭角(θ2)をなすように延びる第2の案内路を形成する第2の案内リンク(19)と、
前記裁断刃物(5)の板面と直交する第1の仮想線(VL1)を中心にした回り対偶を形成するように前記裁断刃物(5)に固定され且つ前記第1の案内リンク(17)との間にすべり対偶を形成する第1の連結部(33)と、
前記裁断刃物(5)の板面と直交する第2の仮想線(VL2)を中心にした回り対偶を形成するように前記裁断刃物(5)に固定され且つ前記第2の案内リンク(19)との間にすべり対偶を形成する第2の連結部(33)と、
駆動源(電動モータ37)からの動力により作用点(OP)が原点位置と終点位置との間を往復直線運動をするように構成された往復直線運動機構(38)と、
前記裁断刃物(5)の板面と直交する第3の仮想線(VL3)を中心にした回り対偶を形成するように前記裁断刃物(5)と前記往復直線運動機構(38)の前記作用点(OP)とを連結する第3の連結部(35)とを備え、
前記往復直線運動機構(38)の前記作用点(OP)が前記原点位置にあって前記裁断刃物(5)の前記刃(51)が前記第1の位置にあるときには、前記刃(51)と前記支持面(15)との間に角度(θ)を形成し、前記往復直線運動機構(38)の前記作用点(OP)が前記原点位置から前記終点位置に移動することにより前記裁断刃物(5)が前記第1の位置から前記第2の位置に近付く過程において、前記刃(51)が前記支持面(15)に対して前記支持面(15)の面方向にスライドし且つ前記刃(51)と前記支持面(15)との間の前記角度(θ)が徐々に小さくなるように、前記第1の鋭角(θ1)及び前記第2の鋭角(θ2)と、前記第1の連結部乃至第3の連結部(31,33,35)の位置関係とが定められている裁断装置(1)。
5 裁断刃物
10 刃物移動機構
11 台座
13 押し出し補強繊維含有混練物(被裁断物)
14 支持体
15 支持面
17 第1の案内リンク
18 第1のスライダ
19 第2の案内リンク
20 第2のスライダ
31 第1の連結部
33 第2の連結部
35 第3の連結部
37 電動モータ(駆動源)
38 往復直線運動機構
51 刃
OP 作用点
Claims (8)
- 補強繊維と熱可塑性樹脂とを加熱しながら混練して形成した流動性を有する補強繊維含有混練物を、押出機から押し出して長尺状の押し出し補強繊維含有混練物を連続的に形成し、前記押出機から押し出されて支持面上を移動している前記押し出し補強繊維含有混練物を、前記熱可塑性樹脂が硬化する前に、所定の長さに裁断する裁断装置であって、
端部に刃を有する板状の裁断刃物を、前記支持面から離れ且つ前記押し出し補強繊維含有混練物の上方に位置する第1の位置から前記刃が前記支持面と接触する第2の位置に向かって移動させ、その後前記第2の位置から前記第1の位置に前記裁断刃物を戻すことにより、前記支持面上を移動している前記押し出し補強繊維含有混練物を前記裁断刃物により裁断する刃物移動機構を備え、
前記刃物移動機構は、
前記支持面に対して第1の鋭角をなすように延びる第1の案内路を形成する第1の案内リンクと、
前記第1の案内リンクから前記支持面の面方向に間隔を開けて配置されて前記支持面に対して前記第1の鋭角よりも大きい第2の鋭角をなすように延びる第2の案内路を形成する第2の案内リンクと、
前記裁断刃物の板面と直交する第1の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第1の案内リンクとの間にすべり対偶を形成する第1の連結部と、
前記裁断刃物の板面と直交する第2の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第2の案内リンクとの間にすべり対偶を形成する第2の連結部と、
駆動源からの動力により作用点が原点位置と終点位置との間を往復直線運動をするように構成された往復直線運動機構と、
前記裁断刃物の板面と直交する第3の仮想線を中心にした回り対偶を形成するように前記裁断刃物と前記往復直線運動機構の前記作用点とを連結する第3の連結部とを備え、
前記往復直線運動機構の前記作用点が前記原点位置にあって前記裁断刃物の前記刃が前記第1の位置にあるときには、前記刃と前記支持面との間に角度を形成し、前記往復直線運動機構の前記作用点が前記原点位置から前記終点位置に移動することにより前記裁断刃物が前記第1の位置から前記第2の位置に近付く過程において、前記刃が前記支持面に対して前記支持面の面方向にスライドし且つ移動する前記押し出し補強繊維含有混練物を圧縮させながら、前記刃と前記支持面との間の前記角度が徐々に小さくなるように、前記第1の鋭角及び前記第2の鋭角と、前記第1の連結部乃至第3の連結部の位置関係とが定められている裁断装置。 - 支持面上を移動する被裁断物を裁断する裁断装置であって、
端部に刃を有する板状の裁断刃物を前記支持面から離れ且つ前記被裁断物の上方に位置する第1の位置から前記刃全体が前記支持面と接触する第2の位置に向かって移動させ、その後前記第2の位置から前記第1の位置に前記裁断刃物を戻すことにより前記支持面上を移動している前記被裁断物を裁断する刃物移動機構を備え、
前記刃物移動機構は、
前記支持面に対して第1の鋭角をなすように延びる第1の案内路を形成する第1の案内リンクと、
前記第1の案内リンクから前記支持面の面方向に間隔を開けて配置されて前記支持面に対して前記第1の鋭角よりも大きい第2の鋭角をなすように延びる第2の案内路を形成する第2の案内リンクと、
前記裁断刃物の板面と直交する第1の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第1の案内リンクとの間にすべり対偶を形成する第1の連結部と、
前記裁断刃物の板面と直交する第2の仮想線を中心にした回り対偶を形成するように前記裁断刃物に固定され且つ前記第2の案内リンクとの間にすべり対偶を形成する第2の連結部と、
駆動源からの動力により作用点が原点位置と終点位置との間を往復直線運動をするように構成された往復直線運動機構と、
前記裁断刃物の板面と直交する第3の仮想線を中心にした回り対偶を形成するように前記裁断刃物と前記往復直線運動機構の前記作用点とを連結する第3の連結部とを備え、
前記往復直線運動機構の前記作用点が前記原点位置にあって前記裁断刃物の前記刃が前記第1の位置にあるときには、前記刃と前記支持面との間に角度を形成し、前記往復直線運動機構の前記作用点が前記原点位置から前記終点位置に移動することにより前記裁断刃物が前記第1の位置から前記第2の位置に近付く過程において、前記刃が前記支持面に対して前記支持面の面方向にスライドし且つ前記刃と前記支持面との間の前記角度が徐々に小さくなるように、前記第1の鋭角及び前記第2の鋭角と、前記第1の連結部乃至第3の連結部の位置関係とが定められている裁断装置。 - 前記原点位置と前記終点位置とをつなぐ運動軌跡と前記支持面との間の第3の鋭角θ3は、前記第1の鋭角θ1よりも大きく前記第2の鋭角θ2よりも小さい請求項1に記載の裁断装置。
- 前記第1の鋭角θ1及び前記第2の鋭角θ2並びに前記第3の鋭角θ3は、前記往復直線運動機構の前記作用点が前記終点位置に達したときに、前記刃が前記第2の位置にあって前記支持面と全面的に接触した状態になるように定められている請求項3に記載の裁断装置。
- 前記裁断刃物の前記刃は、片刃である請求項1乃至4のいずれか1項に記載の裁断装置。
- 前記補強繊維が炭素繊維であり、前記熱可塑性樹脂がポリアミド樹脂であり、前記第1の鋭角θ1が50度~60度であり、前記第2の鋭角θ2が70度~80度である請求項1に記載の裁断装置。
- 前記第1の連結部と前記第2の連結部とは、前記刃が直線刃であるときに、前記直線刃と平行な仮想直線上に位置しており、前記第3の連結部は前記第1の連結部と前記第2の連結部との間で且つ前記直線刃と前記仮想直線との間に位置している請求項1または2に記載の裁断装置。
- 請求項1に記載の裁断装置の運転方法であって、前記往復直線運動機構が、前記支持面上を移動している前記押し出し補強繊維含有混練物の移動速度の5倍以上の平均速度で前記裁断刃物を往復移動させて、前記押し出し補強繊維含有混練物を裁断する裁断装置の運転方法。
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