KR20110058178A

KR20110058178A - Film processing mold device

Info

Publication number: KR20110058178A
Application number: KR1020090114869A
Authority: KR
Inventors: 이창영
Original assignee: 이창영
Priority date: 2009-11-26
Filing date: 2009-11-26
Publication date: 2011-06-01

Abstract

PURPOSE: A film processing mold is provided to improve the productivity of a film by simultaneously cutting the outer part of the film and forming through holes and slits inside the film. CONSTITUTION: A film processing mold(10) is composed of upper and lower molds. The upper mold comprises a support plate(22), a holder plate(23), multiple piercing punches, slit processing punches, a stripper plate(26), a spring unit, and a stripper. The support plate is installed in a lifting base(21). The piercing and slit processing punches are installed in the holder plate. The stripper plate is installed in the slide rod of the holder plate. The spring is inserted between the holder plate and the slide rod. The lower mold comprises a fixed plate(32), a piercing die, through hole piercing holes, slit processing piercing holes, and a slitting die. The through hole and slit processing piercing holes are formed in the piercing die. The slitting die is installed in the slit processing piercing holes and is vertically slid.

Description

Film processing mold device

The present invention relates to a film processing mold, and more particularly, a through hole and a slit processing portion are simultaneously pierced in a film for manufacturing a toner belt used as a toner supply means in a printer, or various films requiring formation of a through hole and a slit processing portion. And to provide a film processing mold to be subjected to slitting process.

The printer is provided with a toner supply for supplying toner for printing, and a toner supply means for discharging (supplying) a predetermined amount of toner filled therein is installed in the toner supply.

In recent years, printers produced in recent years use a toner belt installed in an elliptical track shape as a toner supply means, and printers using a toner belt as a toner supply means are gradually being expanded.

The toner belt is manufactured by a film which is called as an agitator film in the art, and the production of the above film is performed by forming a plurality of through holes (H) and a slit processing part (S) in a thin film synthetic resin film (F). ) Is pierced and slitting (see FIG. 1), and then the opposite area of the slit processing part S is bent to form a vertical wing plate.

Conventionally, a wooden die provided with a processing blade having a predetermined shape for forming a hole and a slit in the film for a toner belt is used. Looking at the processing process of the conventional film, the wooden die is lowered while the film is placed on the processing block. The piercing and slitting process of the through hole and the slit processing part are made to the toner belt film by this.

As described above, when the through hole and the slit processing part are processed on the film for the toner belt using the die, there is no additional separation of the cut through hole even after the processing, and thus an additional process to remove it manually requires a lot of manpower. In addition, problems have been pointed out that defects occur in the bending process of the wing plate due to inaccurate cutting of the slit processing part.Additional processes and defects inevitably lower the productivity and improve the production cost. none.

The present invention was created to eliminate all the problems caused by the processing of the through-hole and the slit processing portion of the conventional film as described above, so that the cutting of the appearance and the piercing and cutting processing of the through-hole and the slit processing portion are simultaneously made by a single process. In addition, the cutting and processing of the through hole and the slit processing part can be perfectly made to prevent additional processes and the occurrence of defects.

The present invention for realizing the above-described technical problem is provided with a support plate on the lifting base is provided with a checker plate, a plurality of piercing punch and slit processing punch is installed on the holder plate is installed on the support plate, the slide rod of the holder plate The stripper plate is installed, and the holder plate and the stripper plate are spaced at regular intervals by the elasticity of the elastic means interposed between the stripper plate and the holder plate, and the through hole inside the stripper plate is provided with a piercing punch and a slit processing punch. An upper mold made by installing a stripper to make; Install a fixed plate on the support base, engage the piercing die to the inner region of the guide stopper installed on the die plate, and form the through hole piercing hole and the slit processing piercing hole corresponding to the piercing punch and the slit machining punch in the piercing die, It is a technical feature that it consists of a lower die formed by slitting a separate slitting die up and down in a slit processing piercing hole.

The film processing mold proposed in the present invention is intended to pierce and cut through holes and slits in the film while cutting the appearance of the film by a single operation, thereby improving the productivity of the toner belt manufacturing film. In addition, the present invention is advantageous in that the expected effect of the present invention can be reduced by minimizing the occurrence of defects without requiring an additional process, thereby reducing the production cost according to the processing of the film for producing the toner belt.

Embodiment of the Invention

2 to 5 shows a preferred embodiment of the film processing mold 10 proposed in the present invention, as shown in the present invention is a support plate on the bottom of the elevating base 21 is installed with a checker plate 21a on the upper surface (22) and a plurality of piercing punches 24 and slit punches (25) are installed in the holder plate (23) installed at the bottom of the support plate (22), and fixed to the stripper plate (26) and holder The upper end of the slide rod L penetrating the through hole 23a of the plate 23 is fixed to the support plate 22 to give the holder plate 23 an appropriate lifting operation interval R1, and the stripper plate 26. The holder plate 23 and the stripper plate 26 are separated from each other by the elasticity of the elastic means S1 through the elastic means S1 such as a spring or high elastic urethane resin between the holder plate 23 and the holder plate 23. Stripper plate ( 26) an upper mold 20 formed by providing a stripper 27 having a through hole 28 through which a piercing punch 24 and a slit processing punch 25 pass in a cutter hole 26a provided inside;

The fixing plate 32 is installed on the upper portion of the support base 31, and the guide stopper G protruding upward is installed on the die plate 33 installed on the fixing plate 32 so that the guide stopper G is disposed. Coupling the piercing die 34 having a corresponding appearance with the stripper 27 in the inner region, so that the upper surface of the piercing die 34 slightly protrudes above the upper surface of the die plate 33, the piercing die 34 The through hole piercing hole 35 and the slit piercing hole 36 corresponding to the piercing punch 24 and the slit punch 25 are formed in the slit, and are slidably coupled to the slit piercing hole 36 up and down. It can be seen that it is composed of a lower mold 30 by installing a separate slitting die 37.

At this time, since the object to be processed is a thin film, the lifting operation interval R1 applied to the holder plate 23 is sufficient to be about 3 mm, and the protrusion interval of the stripper plate 26 is about 2 mm. The protruding width of the piercing die 34 should be about 1 mm.

6 is a reference cross-sectional view for explaining the coupling state of the piercing punch 24 and the slit processing punch 25 and the stripper 27 according to the present invention, as shown in the cutter hole of the stripper plate 26 ( The stripper 27 coupled to the 26a is installed to protrude downwardly from the bottom of the stripper plate 26 so as to slide up and down the cutter hole 26a, but the stripper 27 is lowered by the protrusion 271. The lowering of the furnace is limited to 1/2 or less of the lifting operation interval R1 applied to the holder plate 23, and the carcass means between the cover plate 29 and the stripper 27 coupled to the stripper plate 26 A piercing punch 24 and a slit processing punch, which are configured to maintain a state in which the stripper 27 is pushed downward by the elasticity of the ballistic means S2 via S2, and fixed and installed on the holder plate 23. 25, the lower end of the barrel of the stripper (27) It is configured to be concealed within 28.

7 to 8 show a perspective view of the slit punch 25 and the slit piercing hole 36 according to the present invention, as shown, the slit punch 25 is maintained at a constant interval and corresponding thereto. The punch block 251 is connected to the slit cutter 252, but the slit cutter 252 is formed to have a step with the lower end of the punch block 251 so that both ends of the slit cutter 252 are punch blocks 251. And the slit piercing hole 36 through which the slit punch 25 passes through the piercing hole 361 corresponding to the punch block 251 of the slit cutter 252. The outer peripheral edge of the tip of the piercing hole (361) is formed so as to be connected in a straight line by the slit cutting jaw (362).

9 is a reference cross-sectional view for explaining the engagement state of the slitting die 37 according to the present invention, the slitting die 37 installed in the slit piercing hole 36 as shown is a projection 371 Lifting to the upper side by the upper limit), coupled to the bottom of the slitting die 37, the adjusting screw 372 is coupled between the upper surface of the adjustment screw 372 and the bottom surface of the slitting die 27 ( The elasticity of the slitting die 37 is adjusted by the operation of the adjustment screw 372 via S3). At this time, the upper end of the slitting die 37 is configured to coincide with the slit cutting jaw 362 of the slit piercing hole 36.

According to the present invention having the above structure, the film is processed by the lifting and lowering motion of the lifting base 21, which is formed in a conventional press device and engages the checker plate 21a to the driving means of the press device and constitutes the vertical reciprocating motion of the driving means. It is to be made, the detailed operation is made as follows.

When the press apparatus equipped with this invention is operated in the state which put the film in accordance with the guide stopper G, the stripper 27 provided in the stripper plate 26 descending by the lifting base 21 is attached to the piercing die 34. As shown in FIG. The film interposed between the stripper 27 and the piercing die 34 is clamped while the lowering of the stripper 27 is stopped in contact with each other, and the cutter hole 26a and the piercing die 34 of the stripper plate 26 are continuously lowered. The external appearance of the film interposed between the stripper 27 and the piercing die 34 is cut by the mutual interaction with the outer circumferential surface of the ().

As described above, since the appearance of the film is cut and the lowering of the stripper 27 and the stripper plate 26 is stopped, the lowering of the holder plate 23 by the elevating base 21 is continued. The piercing punch 24 and the slit punching 25 provided in the protrusion protrude from the through hole 28 of the stripper 27 and pass through the through hole piercing hole 35 and the slit processing piercing hole 36 of the piercing die 34. In this process, the piercing punch 24 and the slit processing punch 25, the through-hole piercing hole 35 and the slit processing piercing hole 36 by the mutual interaction of the cut and the cutting process of the through hole and the slit processing portion is made You lose.

According to the present invention, when machining the slit processing portion, the through-holes on both sides are cut by mutual interaction between the punch block 251 of the slit processing punch 25 and the piercing hole 361 of the slit processing piercing hole 36. After the processing is completed, the slit cutter 252 of the slit punch 25 which follows and the slit cutting jaw 362 of the slit piercing hole 36 are formed so that the slitting cutting which connects a through hole is performed. The cutting process of the slit processing part becomes possible, in particular, the slitting die 37 provided in the slit piercing hole 36 closes the slit working jaw 362 and then moves downward by the lowering of the slit processing cutter 252. As the slitting process is performed while being pushed, the slitting process is performed while preventing the film from being crushed or wrinkled.

1 is a reference diagram showing an embodiment of a film processed through hole and slit processing portion.

Figure 2 is a perspective view showing a preferred embodiment of the film processing mold proposed in the present invention.

Figure 3 is a reference cross-sectional view for explaining the bonding state of the present invention.

Figure 4 is a perspective view of the stripper plate according to the present invention.

Figure 5 is a perspective view of the die plate according to the present invention.

Figure 6 is a cross-sectional reference for explaining the coupling state of the piercing punch and slit punch and stripper according to the present invention.

Figure 7 is a perspective view of the slit processing punch according to the present invention.

8 is a perspective view of the slit piercing hole according to the present invention.

9 is a reference cross-sectional view for explaining a coupling state of the slitting die according to the present invention.

10 is a reference diagram for explaining the processing of the film according to the present invention.

▣ Explanation of symbols used in main part of drawing

10: film processing apparatus 20: upper mold

30: lower mold

Claims

The support plate 22 is attached to the bottom of the elevating base 21 provided with the checker plate 21a on the upper surface, and the piercing punch 24 and the plurality of piercing punches 24 are attached to the holder plate 23 provided at the bottom of the support plate 22. The slit processing punch 25 is installed, and the upper end of the slide rod L fixed to the stripper plate 26 and penetrating the through hole 23a of the holder plate 23 is fixed to the support plate 22 to hold the holder plate ( 23 is provided with an appropriate lifting operation interval R1, and the holder plate 23 is caused by the elasticity of the shot force means S1 via the shot force means S1 between the stripper plate 26 and the holder plate 23. And stripper plate 26 having the through hole 28 through which the piercing punch 24 and the slit processing punch 25 pass through the cutter hole 26a provided inside the stripper plate 26. An upper mold 20 formed by installing a); The fixing plate 32 is installed on the upper portion of the support base 31, and the guide stopper G protruding upward is installed on the die plate 33 installed on the fixing plate 32 so that the guide stopper G is disposed. Coupling the piercing die 34 having a corresponding appearance with the stripper 27 in the inner region, wherein the upper surface of the piercing die 34 is slightly projected upward than the upper surface of the die plate 33, the piercing die 34 The through hole piercing hole 35 and the slit piercing hole 36 corresponding to the piercing punch 24 and the slit punch 25 are formed in the slit, and are slidably coupled up and down to the slit piercing hole 36. In constructing the film processing mold 10 with the lower mold 30 by installing a separate slitting die 37;

The stripper 27 coupled to the cutter hole 26a of the stripper plate 26 is installed to protrude downward from the bottom surface of the stripper plate 26 to be slidably coupled up and down the cutter hole 26a. 27 causes the lowering of the lower portion by the protrusion 271 to be limited to 1/2 or less of the lifting operation interval R1 applied to the holder plate 23, and the cover plate 29 coupled to the stripper plate 26. And the stripper 27 is pushed downward by the elasticity of the elastic means S2 between the elastic means S2 between the stripper 27 and the stripper 27;

The slit processing punch 25 maintains a constant interval and connects the corresponding punch block 251 to the slit processing cutter 252, but the slit processing cutter 252 has a step with a lower end of the punch block 251. And the both ends of the slit cutter 252 line up with the outer periphery of the tip of the punch block 251, and the slit piercing hole 36 corresponds to the punch block 251 of the slit cutter 252. Forming a piercing hole 361 so that the outer peripheral edge of the tip of the piercing hole 361 is connected in a straight line by the slit cutting jaw 362;

The slitting die 37 installed in the slit piercing hole 36 allows the lifting of the upper portion by the protrusion 371 to be restricted, and adjusts by coupling the adjusting screw 372 to the bottom of the slitting die 37. It is configured to adjust the elasticity of the slitting die 37 by the operation of the adjustment screw 372 between the upper surface of the screw 372 and the bottom surface of the slitting die 27 via the carbushing means (S3). Film processing mold.