CN110653858A - Film cutting device and film cutting device coating forming method - Google Patents

Film cutting device and film cutting device coating forming method Download PDF

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Publication number
CN110653858A
CN110653858A CN201910395618.5A CN201910395618A CN110653858A CN 110653858 A CN110653858 A CN 110653858A CN 201910395618 A CN201910395618 A CN 201910395618A CN 110653858 A CN110653858 A CN 110653858A
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CN
China
Prior art keywords
cutting
frame
film
press
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910395618.5A
Other languages
Chinese (zh)
Other versions
CN110653858B (en
Inventor
禹鲜学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gsp Co Ltd
Original Assignee
Gsp Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR10-2018-0074737 priority Critical
Priority to KR1020180074737A priority patent/KR101939706B1/en
Application filed by Gsp Co Ltd filed Critical Gsp Co Ltd
Publication of CN110653858A publication Critical patent/CN110653858A/en
Application granted granted Critical
Publication of CN110653858B publication Critical patent/CN110653858B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/40Cutting-out; Stamping-out using a press, e.g. of the ram type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting 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
    • B26D1/01Cutting 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
    • B26D1/04Cutting 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
    • B26D1/06Cutting 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
    • B26D1/08Cutting 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
    • B26D1/09Cutting 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 with a plurality of cutting members
    • B26D1/095Cutting 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 with a plurality of cutting members for thin material, e.g. for sheets, strips or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/015Means for holding or positioning work for sheet material or piles of sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/018Holding the work by suction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18Means for removing cut-out material or waste
    • B26D7/1845Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863Means for removing cut-out material or waste by non mechanical means by suction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614Means for mounting the cutting member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628Means for adjusting the position of the cutting member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27Means for performing other operations combined with cutting
    • B26D7/34Means for performing other operations combined with cutting for applying a coating, such as butter, to cut product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/44Cutters therefor; Dies therefor

Abstract

The invention relates to a film cutting device, wherein, a cutting blade forming a first coating surface along the inner circumference of a cutting groove is combined to a combination groove of a table frame with a through hole and a combination groove, a cutting part is formed at the edge of the upper surface of the table frame, a lifting guide rod is arranged on the cutting part, a pressing part is arranged at the upper part of the cutting part in a lifting way, a pressing frame is formed at the pressing part, a second coating surface is formed at the outer surface of the pressing frame and penetrates through the cutting groove, the pressing frame moving downwards through the pressing part presses the film in the direction of the cutting groove and simultaneously penetrates through the cutting groove, at the time, the second coating surface of the pressing frame rubs with the first coating surface of the cutting groove, thereby preventing the inner side surface of the cutting groove and the outer surface of the pressing frame from being worn due to the friction force.

Description

Film cutting device and film cutting device coating forming method
Technical Field
The present invention relates to a film cutting apparatus, and more particularly, to a film cutting apparatus, which prevents a cutting groove and a press-in frame from being worn due to a frictional force between the cutting groove and the press-in frame by forming a first coating surface along an inner side surface of the cutting groove of a cutting blade and forming a second coating surface on an outer surface of the press-in frame penetrating the cutting groove.
Background
In general, a film cutting apparatus is an apparatus that cuts a protective film attached on an outer surface of a home appliance to prevent an appearance of a housing material from being damaged or a film formed in a thin plate shape and including a semiconductor chip or a sensor in an inside thereof.
In particular, a flexible film in which a sensor, a chip, or the like for transmitting an electric signal is incorporated is cut by press-fitting in a manner corresponding to the shape of a product or is cut by press-fitting in a manner corresponding to the shape of the product for housing in the product.
Patent document 1 discloses a conventional cutting device for a protective film of a housing material. Referring to patent document 1, the apparatus includes: upper and lower coupling rods formed above and below in an opposite manner; a connecting rod provided at an edge between the upper and lower coupling rods to space the upper and lower coupling rods apart from each other; a buffer spring fastened to the outer surface of the coupling rod to apply upward and downward pressure to the upper and lower coupling rods; a cutting device fastened in a manner of penetrating the lower coupling rod; and a fixed block fixedly arranged on the bottom surface of the lower connecting rod and used for guiding the cutting device to be exposed downwards.
When the movable rod is moved, the upper connecting rod and the lower connecting rod move downwards simultaneously via the movable rod, and the guide unit of the fixing block contacts the protecting film.
Then, when the moving rod is continuously pressed downward, the fixed block closely attached to the protective film is pressed upward by the pressing force of the upper coupling rod, and thus the lower coupling rod is pressed upward to compress the buffer spring.
And, the upper end of the cutting device is pressed by the bottom surface of the upper coupling rod, and at this time, the cutter of the cutting device is maintained in a state of being exposed to the lower side of the fixed block, so as to cut the protective film.
Wherein the protective film is cut corresponding to the moving direction of the protective film cutting device by moving the protective film cutting device in one direction in a state that the cutting blade is exposed to the lower side of the fixed block.
However, according to the above-mentioned patent document 1, there is a problem that the protective film is cut by continuously punching a predetermined section of the protective film with a cutter having a sharp shape exposed to the lower side of the fixed block, and the cutting time is long due to the continuous punching, and particularly, the inner peripheral surface of the exposed hole is worn or the outer surface of the cutter is worn due to the continuous friction between the outer surface of the cutter exposed to the lower side of the fixed block and the inner peripheral surface of the exposed hole, and the exposed length of the cutter is extended due to the wear of the inner peripheral surface of the exposed hole, so that the cutting depth of the pierced film becomes unnecessarily deep, and the outer surface of the cutter is easily damaged by an external force due to the repetition of the wear of the outer surface of the cutter, and when the film is pressed by the fixed block of the lower coupling rod, the flow occurs in the film, so that it, also, it is difficult to cut the correct position of the film due to the frequent flowing of the film, resulting in an increase in the defect rate of the cut film.
(Prior art document)
(patent document)
(patent document 1) KR10-1387073B1
Disclosure of Invention
Technical problem
The present invention has been made to solve the above problems, and an object of the present invention is to provide a film cutting apparatus including a table frame having a through hole and a coupling groove, a cutting blade having a first coating surface formed along an inner circumferential surface of the cutting groove is coupled to the coupling groove of the table frame, a cutting part is formed at an upper edge of the table frame, the cutting part is provided with a lifting guide, a second coating surface is formed on an outer surface of an upper portion of the cutting part, and a pressing part is provided to be capable of lifting, the pressing part is provided with a pressing frame penetrating the cutting groove, the pressing frame moving downward by the pressing part penetrates the cutting groove while pressing the film in a direction of the cutting groove, and at this time, the second coating surface of the pressing frame rubs against the first coating surface of the cutting groove, thereby preventing an inner surface of the cutting groove and an outer surface of the pressing frame from being worn due to a frictional force.
Means for solving the problems
In order to achieve the above object of the present invention, a film cutting apparatus according to the present invention is characterized by comprising: a cutting part for placing a film thereon and cutting the film; and a press-in part which is provided at an upper part of the cutting part and which is operated to be lifted up and down to press the film placed on the cutting part; wherein, above-mentioned cutting part includes: a table frame having a through hole formed at a central portion thereof and a coupling groove formed at an upper surface thereof; a cutting blade slidably coupled to the coupling groove of the table top frame, provided as a pair spaced apart from each other, having a cutting groove formed therebetween to communicate with the through hole, and having a first coating surface formed along an inner circumferential surface of the cutting groove; and a lifting guide rod arranged at the edge of the upper surface of the table frame for guiding the lifting movement of the press-in part, wherein the press-in part is combined to the lifting guide rod in a lifting way and is fixedly provided with a press-in frame on the upper surface, and the press-in frame is provided with a second coating surface on the outer surface, is exposed to the lower part of the through hole through the cutting groove of the cutting blade and is used for pressing in the film placed on the cutting part.
In the film cutting apparatus according to the present invention, the cutting blades may be formed in a pair by a cutting process and coupled to the coupling grooves fixed to the table frame.
In the film cutting apparatus according to the present invention, the cutting part may further include a support frame slidably coupled to the coupling groove of the table frame to block the pair of cutting blades disposed to be opposite to each other from moving backward in opposite directions.
In the film cutting apparatus according to the present invention, a first elastic spring may be further formed on an outer surface of the elevation guide of the cutting part, and the first elastic spring returns the press-fitting part to an original position.
In the film cutting apparatus according to the present invention, the press-fitting portion may include: the lifting frame is fixedly provided with the press-in frame on the bottom surface; a film pressing part, wherein a first guide rod is formed at the edge of the bottom surface of the lifting frame, the first guide rod is clamped on the upper surface of the lifting frame and guides the lifting movement, and the film pressing part is tightly attached to the upper surface of the edge of the cutting groove of the table frame and presses the film; and a second elastic spring fastened to an outer surface of the first guide bar of the film pressing part, and pressing the film pressing part downward and returning to an original position.
In the film cutting apparatus according to the present invention, a guide pin is further formed on a bottom surface of a peripheral edge of the press-in frame of the lift frame, and the guide pin penetrates through the film pressing part operated in the lift operation and is inserted into a hole of the film placed on the film pressing part.
In the film cutting apparatus according to the present invention, a suction hole may be formed in one side surface of the press-fitting portion, and a suction hole may be formed in a bottom surface of the press-fitting frame, the suction hole being in communication with the suction hole and capable of sucking the film cut by the cutting portion.
The coating forming method of the film cutting device according to the present invention comprises: a first step of applying a coating material at a predetermined thickness along inner sides of cutting grooves of a pair of cutting blades disposed apart from each other to form the first coating surface; a second step of coating a paint with a predetermined thickness along the outer surface of the press-fitting frame of the press-fitting section to form the second coated surface; and a third step of cutting the second coated surface of the press-in frame and the first coated surface of the cutting groove by a predetermined thickness.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the invention, the second coating surface of the press-in frame penetrating through the cutting groove rubs with the first coating surface of the cutting groove, thereby preventing the outer surface of the press-in frame and the inner surface of the cutting groove from being worn, and fixing the cutting blades to the table frame easily by the operation of closely attaching a pair of cutting blades to the coupling groove of the table frame in an opposite manner, the cut shape of the thin film can be variously changed by manufacturing the cutting grooves between the cutting blades in various shapes, and in particular, the film is cut by the simple process of lifting and moving the lifting frame downwards corresponding to the shape of the cutting groove, so as to shorten the cutting time, increase the production of products while shortening the cutting time, prolong the life of the press-in frame and the cutting groove by preventing abrasion, maintenance by selecting replacement of a cutting blade damaged in a pair of cutting blades can be used for a long time, thereby improving reliability of a product by reducing maintenance cost.
Drawings
Fig. 1 is a perspective view illustrating a film cutting apparatus according to the present invention.
Fig. 2 is a low-side perspective view of fig. 1.
Fig. 3 is an exploded perspective view of fig. 2.
Fig. 4 is a main part perspective view illustrating a cutting part of the film cutting apparatus according to the present invention.
Fig. 5 is a perspective view illustrating a state in which a film is inserted into the film cutting apparatus according to the present invention.
Fig. 6 is a perspective view showing that the film placing section of the film cutting apparatus according to the present invention is pressed downward in a pressurized state.
Fig. 7 is a perspective view illustrating a state in which a film is cut by the film cutting apparatus according to the present invention.
Fig. 8 is a perspective view illustrating a state in which a second elastic spring is strong to the film cutting apparatus according to the present invention.
Fig. 9 is a flowchart illustrating a coating layer forming method of a thin film cutting apparatus according to the present invention.
Description of the symbols
100: cutting part
110: table frame
111: through hole
112: combination groove
120: cutting blade
121: cutting groove
121 a: first coating surface
122: second through hole
130: lifting guide rod
140: supporting frame
150: a first elastic spring
200: pressing-in part
210: press-in frame
210 a: second coating surface
210 b: suction hole
220: lifting frame
220 a: air suction hole
230: film pressing part
231: first guide rod
232: guide pin
233: first through hole
240: second elastic spring
F is film
H: hole(s)
Detailed Description
Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.
Referring to fig. 1 to 8, the cutting part 100 has a film F placed thereon to cut the film F.
The cutting part 100 includes: a table frame 110 having a through hole 111 formed at a central portion thereof and a coupling groove 112 formed at a concave portion thereof; a cutting blade 120 slidably coupled to the coupling groove 112 of the table frame 110, provided as a pair spaced apart from each other, having a cutting groove 121 formed therebetween to communicate with the through-hole 111, and having a first coating surface 121a formed along an inner circumferential surface of the cutting groove 121; and a lifting guide 130 disposed at an upper edge of the table frame 110 to guide the lifting movement of the pressing part 200.
The cutting unit 100 guides the press-fitting jig 210 to penetrate the cutting groove 121 while pressing the film F in the direction of the cutting groove 121, thereby cutting the film F according to the shape of the cutting groove 121.
The first coated surface 121a of the cutting part 100 is rubbed against the second coated surface 210a formed on the press-fitting holder 210 to prevent the inner surface of the cutting groove 121 from being abraded due to the friction with the press-fitting holder 210.
Preferably, the first coating surface 121a is formed to have a thickness such that interference does not occur between the first coating surface 121a and the second coating surface 210 a.
The through hole 111 exposes the press-fitting frame 210 penetrating the notch groove 121 to the lower side of the table frame 110.
Preferably, the diameter of the through hole 111 is relatively larger than the cutting groove 121 of the cutting blade 120.
The cutting part 100 further forms a support frame 140, and the support frame 140 is slidably coupled to the coupling groove 112 of the table frame 110 and blocks the pair of cutting blades 120, which are oppositely disposed, from moving backward in opposite directions.
The supporting bracket 140 supports the end of the cutting blade 120 to block the cutting blade 120 from moving backward in the opposite direction.
The cutting blades 120 are formed as a pair by a cutting process and coupled to the coupling grooves 112 of the table frame 110.
The cutting blade 120 forms a second through hole 122, and the second through hole 122 allows the guide pin 232 of the lifting frame 220 to be inserted into the upper edge.
The second through hole 122 is penetrated by the guide pin 232 of the lifting frame 220 which moves up and down, so as to prevent the interference of the guide pin 232 on the upper surface of the cutting blade 120.
The elevation guide bar 130 guides the elevation frame 220 of the press-in part 200 to move up and down.
The cutter 100 further includes a first elastic spring 150 formed on an outer surface of the elevation guide 130, and the first elastic spring 150 returns the pressing portion 200 to an original position.
The first elastic spring 150 is pressed and compressed by the lifting frame 220 which moves up and down downward, and when a pressurizing force of a lifting device (not shown) which presses the lifting frame 220 is released, the lifting frame 220 is pressurized upward by the elasticity returning to an original state to return the lifting frame 220 to an original position.
The press-in part 200 is provided at an upper portion of the cutting part 100, and is lifted and lowered to press the film F placed on the cutting part 100.
The press-fitting unit 200 is coupled to the elevation guide 130 to be able to be elevated, and a press-fitting frame 210 is fixedly installed on the upper surface thereof, and the press-fitting frame 210 has a second coating surface 210a formed on the outer surface thereof, and is exposed to the lower side of the through-hole 111 through the cutting groove 121 of the cutting blade 120 to press-fit the film placed on the cutting unit 100.
The second coated surface 210a of the press-fitting jig 210 rubs against the first coated surface 121a formed in the cutting groove 121 to prevent the outer surface of the press-fitting jig 210 from being worn due to friction with the cutting groove 121.
Preferably, the second coating surface 210a is formed to have a thickness such that interference does not occur between the second coating surface 210a and the first coating surface 121 a.
The press-fitting portion 200 may include: a lifting frame 220, on the bottom of which the press-in frame 210 is fixedly arranged; a film pressing part 230, in which a first guide bar 231 is formed at the edge of the bottom surface of the lifting frame 220, the first guide bar 231 is locked on the upper surface of the lifting frame 220 and guides the lifting movement, and the film pressing part 230 is closely attached to the upper surface of the edge of the cutting groove 121 of the table frame 110 and presses the film F; and a second elastic spring 240 fastened to an outer surface of the first guide bar 231 of the film pressing part 230, and pressing the film pressing part 230 downward and returning to an original position.
The lifting frame 220 is in the shape of a plate.
The lifting frame 220 fixes the press-in frame 210 and the film pressing part 230 to the bottom surface thereof.
A plurality of fastening holes (not shown) are formed in the bottom surface of the lifting frame 220, and the fastening holes are fastened to the ends of the fastening members B fastened to the bottom surface of the press-in frame 210.
A guide pin 232 may be formed on a bottom surface of a peripheral edge of the press-in frame 210 of the lifting frame 220, and the guide pin 232 may be inserted into a hole H of the film F placed on the film pressing part 230 through the film pressing part 230 that is lifted and lowered.
The guide pins 232 are inserted through the holes H of the film F and the ends thereof are inserted into the second through holes 122 of the cutting part 100 to fix both ends of the film F.
The press-fitting jig 210 is fixedly installed on the bottom surface of the lifting jig 220, and is exposed to the lower side of the through-hole 111 through the cutting groove 121 of the cutting unit 100.
The press-fitting frame 210 is closely fixed to the bottom surface of the lifting frame 220 by the fastening member B penetrating and fastened to the bottom surface thereof.
Preferably, the cross-sectional shape of the press-fitting jig 210 corresponds to the shape of the cutting groove 121 of the cutting unit 100.
The press-in frame 210 moves downward and sequentially penetrates the film pressing part 230 and the cutting groove 121, which press and fix the film placed on the cutting part 100, and then is exposed below the cutting groove 121 to apply pressure to the film F pressed and fixed between the cutting part 100 and the film pressing part 230.
The film pressing part 230 is provided at a lower portion of the press-in frame 210, and presses the film F in a state of being closely attached to the upper surface of the table frame 110, so as to guide the press-in frame 210 to press the film F.
The film pressing part 230 is pressed by the lifting frame 220 which is moved up and down to press the upper surface of the table frame 110.
The film pressing part 230 passes the guide pin 232 through a first passing hole 233 formed in a bottom surface thereof to guide the guide pin 232 to be inserted into the hole H of the film F.
The first guide rod 231 guides the film pressing part 230 to move up and down.
The second elastic spring 240 is pressed and compressed by the lifting frame 220 which moves up and down downward, and elastically applies a pressure downward to the film pressing part 230 to return the film pressing part 230 to an original position.
The lifting frame 220 is fixed to a lifting device (not shown) and is forcibly lifted by the lifting device (not shown).
An air suction hole 200a is formed at one side surface of the press-fitting portion 200, and an air suction hole 210b is formed at a bottom surface of the press-fitting frame 210, and the air suction hole 210b communicates with the air suction hole 200a and sucks the film F cut by the cutting portion 100.
The suction hole 200a is connected to a hose (not shown) for forcibly sucking air, and air is forcibly sucked through the hose (not shown) to form a suction force in the suction hole 210 b.
The suction hole 210b sucks the cut film F to prevent the film F from falling downward.
The film cutting apparatus according to the present invention configured as described above is used as follows.
First, the table frame 110 of the cutting part 100 is provided, and the cutting blade 120 is slidably coupled to the coupling groove 112 of the table frame 110.
In which cutting blades 120 coupled to the table frame 110 are disposed in an opposite pair, and opposite surfaces of the cutting blades 120 are closely attached to form cutting grooves 121 between the cutting blades 120.
At this time, the cutting groove 121 is positioned to communicate with the through hole 111 of the table frame 110, and in this state, the fastening member B is inserted through the upper surface of the cutting blade 120, so that the cutting blade 120 is closely fixed to the upper surface of the table frame 110.
Next, the supporting frame 140 is slidably coupled to the coupling groove of the table frame 110 such that one surface of the supporting frame 140 is closely attached to the other surface of the cutting blade 120, and in this state, the fastening member B is inserted through the upper surface of the supporting frame 140, thereby fixing the supporting frame 140 to the upper surface of the table frame 110.
At this time, the supporting frame 140 supports the other surface of the cutting blades 120 to block the pair of cutting blades 120 from moving backward in opposite directions.
The lift guide 130 is disposed on the upper edge of the table frame 110, and the end of the lift guide 130 is engaged with the upper surface of the lift frame 220 of the press-in part 200.
At this time, the push-in bracket 210, the film pressing part 230, the second elastic spring 240, and the guide pin 232 are provided on the bottom surface of the lifting bracket 220 of the push-in part 200 to which the end of the lift guide 130 is locked, so that the lift guide 130 is positioned to be spaced apart from the upper side of the cutting part 100 by a predetermined distance.
In a state where the press-fitting jig 210 is closely attached to the bottom surface of the lifting frame 220, the press-fitting jig 210 is fixed to the lifting frame 220 by a fastening member B penetrating and fastened to the bottom surface of the press-fitting jig 210.
The film pressing part 230 is installed at a lower portion of the press-in frame 210 to be movable up and down, and in this state, the first guide bar 231 fixed to the upper surface of the lifting frame 220 is supported to be positioned below the press-in frame 210.
The second elastic spring 240 is disposed outside the first guide bar 231, and the film placing part 230 is positioned below the press-fitting frame 210 by being pressed downward by the second elastic spring 240.
At this time, both ends of the second elastic spring 240 respectively contact the upper surface of the film pressing part 230 and the bottom surface of the lifting frame 220 to press the film pressing part 230 downward of the lifting frame 220.
Next, an air suction hose (not shown) is connected to the suction hole 200a of the press-fitting portion 200 to form a suction pressure in the suction hole 210b of the press-fitting frame 210.
The cutting unit 100 is placed on a table (not shown) and the upper surface of the lifting frame 220 of the press-in unit 200 is fixed to a lifting device (not shown) so that the cutting unit 100 and the press-in unit 200 are kept at a predetermined distance in the vertical direction.
Thereafter, after the film F is placed on the upper portion of the table frame 110 of the cutting part 100, when the lifting means (not shown) is moved up and down to press the press-in part 200, the lifting frame 220 is moved up and down along the lifting guide 130, and at this time, the film pressing part 230 is simultaneously moved down to reach the upper surface of the table frame 110.
Then, the film pressing part 230 reaching the upper surface of the table frame 110 is continuously pressed downward by a lifting device (not shown), and thus the film pressing part 230 presses the film F placed on the table frame 110 in a state of being closely attached to the table frame 110.
At this time, the lifting frame 220 is gradually moved downward while pressing the film pressing part 230 by the lifting device (not shown) to press and compress the second elastic spring 240.
The film pressing part 230 causes the guide pins 232 to penetrate through the first through holes 233, thereby guiding the guide pins 232 to be inserted into the holes H of the film F placed on the top surface of the table frame 110, and the both ends of the film F are fixed by being locked to the guide pins 232.
The press-fitting frame 210 of the press-fitting portion 200 is exposed downward through the center portion of the film pressing portion 230 to press the film F in the direction of the notch groove 121.
At this time, the guide pin 232 penetrates the second through hole 122 of the cutting blade 120 to prevent the guide pin 232 from being interfered with by the cutting blade 120.
Accordingly, the press-fitting jig 210 penetrates the cutting groove 121 of the cutting blade 120 and is exposed to the lower side of the through-hole 111 of the table frame 110, thereby cutting the film F in accordance with the shape of the cutting groove 121.
Preferably, the second coated surface 210a of the press-fitting jig 210 and the first coated surface 121a of the cutting groove 121 are formed to have a predetermined thickness so as to maintain a predetermined interval, and the press-fitting jig 210 is inserted into the cutting groove 121 as it is.
When the second coating surface 210a formed on the outer surface of the press-fitting jig 210 is rubbed against the first coating surface 121a of the cutting groove 121 and penetrates the cutting groove 121, the friction between the outer surface of the press-fitting jig 210 and the inner surface of the cutting groove 121 is prevented, and the abrasion between the outer surface of the press-fitting jig 210 and the inner surface of the cutting groove 121 is prevented.
In particular, the suction hole 210b of the press-in frame 210 exposed to the lower side of the through hole 111 forms a suction pressure by an air suction force forcibly sucked into the suction hole 220a of the lift frame 220, and the cut film F is maintained in a state of being sucked to the bottom surface of the press-in frame 210 by the suction pressure.
Thereafter, when the lifting frame 220 is lifted up by moving a lifting device (not shown) upward, the lifting frame 220 is guided by the lifting guide 130 and moved up and down, and then the film pressing part 230 pressed by the lifting frame 220 is pressed by the second elastic spring 240 to be returned to an original state to be moved up and down downward.
At this time, the lifting frame 220 is returned to the original position by a lifting device (not shown), and at the same time, the film pressing part 230 is guided by the first guide bar 231 to move up and down toward the lower portion of the press-in frame 210, thereby returning to the original position.
When the film pressing part 230 returns to the original position, the guide pins 232 are disengaged from the holes of the film F and the first passing holes 233, and the fixing of both ends of the film F is released.
When the lifting frame 220 returns to the original position, the suction force of the air sucked through the suction hole 220a is released, and thus the suction force of the suction hole 210b of the press-in frame 210 is released, so that the film F sucked to the bottom surface of the press-in frame 210 is collected.
In this case, although the case where the air suction force of the suction hole 220a is released when the elevating bracket 220 returns to the original position is described as an example, even if the elevating bracket 220 returns to the original position, the suction force of the suction hole 210b can be maintained by continuously sucking air through the suction hole 220 a.
Then, the above film F is continuously cut in a predetermined shape by the method as described above, thereby obtaining the above film F subjected to cutting.
Although the above description has been made by taking the case where the first elastic spring 150 is not fastened to the cutting part 100 as an example, when the first elastic spring 150 is fastened to the outer surface of the elevation guide bar 130 of the cutting part 100, the first elastic spring 150 is pressed and compressed by the elevation frame 220 which moves up and down, and then, when the pressure applied to the elevation frame 220 is released, the second elastic spring 240 returns to the original state, and applies pressure to the elevation frame 220 upward to return the elevation frame 220 to the original position.
When the cut shape of the film F is to be changed, the fastening member B fastened to the upper surface of the table frame 110 of the cutting part 100 is detached, the supporting frame 140 is detached first, the cutting blades 120 are detached in opposite directions, the other cutting blade 120 is slidably coupled in an opposite manner through the coupling groove 112, and then the supporting frame 140 is fastened and fixed to replace the cutting blade 120 disposed on the upper surface of the table frame 110.
Also, referring to the method of forming the first coated surface 121a of the cutting blade 120 and the second coated surface 210a of the press-in housing 210 in fig. 9, a pair of cutting blades 120 are spaced apart in opposite directions, and a coating material is applied along the inner side of the cutting groove 121 of each of the separated cutting blades 120 to a predetermined thickness to form the first coated surface 121a (S100).
In this case, the cutting blade 120 is preferably formed asAnd (4) shape.
Next, a coating material is applied along the outer surface of the press-fitting jig 210 of the press-fitting portion 200 to a predetermined thickness, thereby forming a second coated surface 210b (S200).
Thereafter, the second coated surface 210b of the press-fitting jig 210 and the first coated surface 121a of the cutting groove 121 are cut to a predetermined thickness (S300) so that the second coated surface 210a of the press-fitting jig 210 is penetrated in a state of being rubbed against the first coated surface 210a of the cutting groove 121.
The cutting blade 120 and the press-fitting jig 210 coated as described above are provided in the cutting unit 100 and the press-fitting unit 200, respectively.
As described above, in the structure in which the first coating surface 121a is formed on the inner side surface of the cutting groove 121 of the cutter 100 and the second coating surface 210a rubbed with the first coating surface 121a is formed on the outer surface of the press-in frame 210 of the press-in part 200 penetrating the cutting groove 121, the second coating surface 210a of the press-in frame 210 penetrating the cutting groove 121 rubs against the first coating surface 121a of the cutting groove 121 to prevent the outer surface of the press-in frame 210 and the inner side surface of the cutting groove 121 from being worn, and the cutting blade 120 can be easily fixed to the table frame 110 by the operation of closely attaching the pair of cutting blades 120 to the coupling groove 112 of the table frame 110 in an opposite manner, and the shape of the cutting groove 121 between the cutting blades 120 can be variously changed, particularly, the film F can be cut in a manner corresponding to the shape of the cutting groove 121 by a simple process of moving the crane 220 up and down, to shorten the cutting time and increase the production of products while shortening the cutting time.
The film cutting apparatus according to the present invention described above is not limited to the above-described embodiments, but is protected by the scope of the claims, and the technical spirit of the present invention covers the scope in which any person skilled in the art to which the present invention pertains can make various modifications without departing from the gist of the present invention.

Claims (8)

1. A film cutting apparatus, comprising:
a cutting part (100) for placing the film (F) on the upper surface and cutting the film (F); and
a press-in part (200) provided at an upper part of the cutting part (100) and operated to be lifted and lowered to press the film (F) placed on the cutting part (100);
wherein the cutting part (100) comprises:
a table frame (110) having a through hole (111) formed at the center thereof and a coupling groove (112) formed at the upper surface thereof;
a cutting blade (120) slidably coupled to the coupling groove (112) of the table frame (110), provided in a pair spaced apart from each other, having a cutting groove (121) formed therebetween to communicate with the through hole (111), and having a first coating surface (121a) formed along an inner circumferential surface of the cutting groove (121); and
a lifting guide rod (130) arranged at the upper edge of the table frame (110) for guiding the lifting movement of the press-in part (200),
and the press-in part (200) is connected to the lifting guide bar (130) in a lifting way and is fixedly provided with a press-in frame (210) on the upper surface, the press-in frame (210) is provided with a second coating surface (210a) on the outer surface and is exposed to the lower part of the through hole (111) through a cutting groove (121) of the cutting blade (120) so as to press in the film placed on the cutting part (100).
2. The film cutting apparatus according to claim 1,
the cutting blades (120) are formed as a pair by cutting, and are coupled and fixed to the coupling grooves (112) of the table frame (110).
3. The film cutting apparatus according to claim 1,
the cutting part (100) further includes a support frame (140), and the support frame (140) is slidably coupled to the coupling groove (112) of the table frame (110) to block the pair of cutting blades (120) disposed to be opposite to each other from moving backward in opposite directions.
4. The film cutting apparatus according to claim 1,
a first elastic spring (150) is further formed on an outer surface of the elevation guide bar (130) of the cutting unit (100), and the first elastic spring (150) returns the press-in unit (200) to an original position.
5. The film cutting apparatus according to claim 1,
the press-fitting section (200) includes:
a lifting frame (220) which is fixedly provided with the press-in frame (210) on the bottom surface;
a film pressing part (230), a first guide rod (231) is formed at the edge of the bottom surface of the lifting frame (220), the first guide rod (231) is clamped on the upper surface of the lifting frame (220) and guides the lifting movement, and the film pressing part (230) is tightly attached to the upper surface of the edge of the cutting groove (121) of the table frame (110) and presses the film (F); and
and a second elastic spring (240) fastened to an outer surface of the first guide bar (231) of the film pressing part (230) and pressing the film pressing part (230) downward and returning to an original position.
6. The film cutting apparatus according to claim 5,
a guide pin (232) is formed on the bottom surface of the peripheral edge of the press-in frame (210) of the lifting frame (220), the guide pin (232) penetrates through the film pressing part (230) of the lifting operation and is inserted into a hole (H) of a film (F) arranged on the film pressing part (230).
7. The film cutting apparatus according to claim 1,
an air intake hole (200a) is formed on one side surface of the press-fitting portion (200),
a suction hole (210b) is formed in the bottom surface of the press-in frame (210), and the suction hole (210b) communicates with the suction hole (200a) and sucks the film (F) cut by the cutting unit (100).
8. A method for forming a coating layer on a film cutting device according to claim 1, the method comprising:
a first step (S100) of applying a coating material to a predetermined thickness along the inner surfaces of the cutting grooves (121) of a pair of cutting blades (120) arranged so as to be spaced apart from each other to form the first coating surface (121 a);
a second step (S200) of applying a coating material along the outer surface of the press-fitting frame (210) of the press-fitting section (200) to a predetermined thickness to form the second coating surface; and
and a third step (S300) of cutting the second coated surface (210b) of the press-fitting jig (210) and the first coated surface (121a) of the cutting groove (121) by a predetermined thickness.
CN201910395618.5A 2018-06-28 2019-05-13 Film cutting device and film cutting device coating forming method Active CN110653858B (en)

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