KR20190082345A - Clearance Adjusting Apparatus for Dieboard of Large Size Automatic Die Cutting Machine - Google Patents

Abstract

The present invention relates to a die board interval adjustment device for a punching unit of a large-sized automatic Thomson machine, wherein a punching unit is applied to a large-sized automatic Thomson machine to process large-sized fabric including a prism sheet, a diffusion sheet, and a reflection sheet of a 65-inch TV screen. To this end, the die board interval adjustment device for a punching unit of a large-sized automatic Thomson machine comprises: an ascending and descending upper board unit (110) provided at an upper surface of a main body housing unit (31) of a work platform shape, and including an upper board (111) which can perform a punching process by compression by regularly ascending and descending a die board (112) in which a blade is buried; a shaft support lower board unit (120) including a jig of a plate shape which is arranged to face the ascending and descending upper board unit (110); and a driving power driving unit (130) providing a driving force to ascend or descend the ascending and descending upper board unit (110). The present invention is further provided with an automated interval adjustment device (140) which can adjust the vertical height of the die board (112). The interval adjustment device (140) is characterized by comprising: a plurality of ascending and descending adjustment shafts (145) having a screw shaft structure, each of which is vertically arranged to allow communication thereof at the four corner portions and the central portion of the die board (112) after penetrating an upper portion of the upper board (111) into which the die board (112) is inserted; a ring type driving gear (144) of a circular shape, which is individually formed at an upper end of the ascending and descending adjustment shafts (145); a pinion gear shaft (142) having a pinion gear (143) geared with the ring type driving gear (144) to deliver rotational force; and a plurality of control motors (141) individually driving the pinion gear shaft (142).

Description

{Clearance Adjusting Apparatus for Die Size Automatic Die Cutting Machine}

More particularly, the present invention relates to a large gap Thompson machine for machining a large fabric, and more particularly to a large Thomson machine for machining a large fabric, It is easy to set up and manipulate the gap between upper and lower molds easily and finely between the upper and lower molds by arranging the neck mold loaded in the mold top plate to be drawn out. The present invention relates to a mold gap adjusting device for a striker of a machine tool.

The so-called "Thomson machine", which is capable of simultaneously performing lapping, punching and gripping operations on industrial tapes and sheets used in the electronic field, (Or a rudder) capable of processing a product into a desired shape while pressing the rudder mold or the neck mold vertically.

The Thomson apparatus includes a fabric supply unit for supplying a fabric (or a sheet) wound normally, a die (a neck mold) provided with a jig and a cutting blade on which a fabric for die-cutting the fabric supplied from the fabric supply unit is placed, And a cloth discharging portion for pulling the fabric processed at the striking portion by an extruding roller and an auxiliary roller driven by a motor at a constant pitch, So that they are extensively used for fabric processing of precise products required for optical parts and electronic parts.

The types of Thompson machines are very diverse and may be classified into sizes such as small, medium, and large according to the size of the product to be processed.

Thompson's large-scale Thompson machine is specialized in the processing of prism sheets, diffusing sheets, reflective sheets and various large fabrics used in various industries in 65-inch large TV / screen.

Meanwhile, in the above-mentioned Thomson machine, a rudder part capable of processing a product into a desired shape while pressing a wooden (or wooden) mold having a knife-embedded blade according to the shape of a product to be processed, It is generally used.

A prior art related to such a conventional rudder is disclosed in Korean Registered Utility Model No. 0304095 (published on February 14, 2003), registered patent publication No. 1194816 (issued on October 25, 2012), Published Patent Publication No. 2014-15781 7, published), and Japanese Patent Registration No. 1520866 (published on January 18, 2015).

For example, the striking portion disclosed in the above-mentioned Japanese Patent No. 1520866 includes a top plate capable of performing a punching operation by raising and lowering a neck mold in which a blade is embedded at regular intervals on the upper surface of a main housing part in the form of a work table, And a top plate driving unit for providing a driving force for moving the elevating / descending plate unit up and down. The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which: FIG.

The upper and lower plate portions of the elevating and lowering plate portion are fixedly assembled so as to penetrate each of the four corners of the elevating and lowering strong axes respectively and are lifted and lowered by the elevating and lowering coils. .

The neck metal mold is engaged with the upper plate on the upper side of the striker to grip the handle and can be drawn out from the elevated lower plate portion and the blades are inserted into the buffer material in accordance with the shape to be processed.

In addition, the upper plate regularly presses the fabric passing through the upper surface of the jig in the state that the neck mold is loaded, and carries out a cutting operation (a half-cut operation or a full-cut operation)

Particularly, the upper plate driving part is a driving part for raising and lowering the lifting / lowering shaft by crankshaft rotation, and the upper plate driving part includes a main motor, a crankshaft including a connecting rod, and a camshaft.

Therefore, when the crankshaft and the camshaft are driven by the main motor, the crankshaft and the crankshaft rotate one by one (that is, one stroke), and the ascending and descending axles connected to each other by the connecting rod of the crankshaft are raised and lowered once, The connecting rod of the crankshaft and the lifting / lowering shaft are interlocked with each other.

As described above, the rubbing machine performs the punching operation while the upper plate loaded with the neck metal mold moves upward and downward. Most of the conventional rubbing machines are controlled by adjusting the interval between the upper plate and the jig without finely adjusting the state of the neck metal mold in the upper plate It was supposed to set the clearance required for punching work.

Therefore, it has been difficult to realize a highly precise flanking or finishing operation.

In addition, since the blade is taped to the upper mold and attached, it is difficult to maintain the flat state, and it is difficult to precisely maintain the horizontal degree, resulting in a problem of defective products.

Registered Utility Model No. 0304095 of the Republic of Korea (Notice: Nameplate: Desktop die cutting machine) Korean Registered Patent No. 1194816 (October 25, 2012, Announcement: Apparatus for attaching a reinforcing plate for a flexible circuit board and punching method of a reinforcing plate) Korean Patent Laid-Open Publication No. 2014-15781 (published on February 7, 2014, name: Korean Patent Registration No. 1520866, (Announcement of 2015.5.18, "Die Cutting Machine with Means for Supplying Punching Pads to an Accurate Punching Position and Automatic Control Method of Punching Operation of the Die Cutting Machine)

Accordingly, the present invention has been researched and developed so as to perform a precise half-cut operation or a finishing operation in the large-sized Thomson machine as described above, and the object of the present invention is to provide a large Thomson machine for processing a large fabric, It is possible to easily and finely adjust the distance between the upper and lower molds between the upper and lower dies so that the dies can be accurately and precisely adjusted through simple and easy setting and operation The present invention provides a mold gap adjusting device for an automatic large-sized Thomson machine, which greatly improves workability.

In order to accomplish the above object, the present invention provides a striking portion applied to an automatic large-sized Thompson machine for processing a large fabric such as a prism sheet, a diffusion sheet, and a reflective sheet of a 65 inch large TV / screen, And an upper plate including a top plate capable of performing a punching operation by pressing up and down a neck mold having a knife in which a blade is embedded at regular intervals and a jig in the form of a plate placed so as to face the up / And a power driving unit for providing a driving force for moving the ascending / descending plate portion upward and downward, comprising: an automatic gap adjusting mechanism for adjusting a vertical height of the neck die, Wherein the gap regulating device is disposed in the vicinity of the upper edge of the upper plate, A ring type drive gear formed on the upper end of the up-down and down-take shaft, and a plurality of ring-type drive gears each having a screw shaft structure vertically interlocked with the ring type drive gear, And a plurality of control motors for respectively driving the pinion gear shaft and the pinion gear shaft having a pinion gear, and a mold gap adjusting device for a striker for an automatic large-size Thomson machine.

Here, it is preferable that a plurality of buffer springs are provided between the neck mold and the upper plate.

According to the present invention, when the upper and lower mold gap of the striking part needs to be adjusted in a large Thomson machine for processing a large fabric, a neck mold loaded on the mold upper plate by a single operation can be drawn out, It is possible to easily and precisely adjust the distance between the up and down sides of the neck of a neck, thereby achieving a remarkable improvement in precision workability through simple and easy setting and operation.

FIG. 1 is an actual photograph showing an appearance of an automatic large-sized Thomson machine to which the present invention is applied.
FIG. 2 is a schematic view showing the construction of the automatic large-sized Thomson apparatus shown in FIG. 1 according to the present invention; FIG.
FIG. 3 is a perspective view of a large-sized Thomson machine according to the present invention, schematically showing a configuration of a tread portion to which a neck mold to be punched is loaded.
FIG. 4 is a side view schematically showing a configuration of a tread portion to which a neck mold to be punched in a large Thomson machine according to the present invention is loaded.
5 is a plan view showing a configuration of a neck mold gap adjusting device in a striking portion according to the present invention.
FIG. 6 is a schematic use state showing a state in which a neck mold is lifted and lowered by a gap adjusting device in a striking portion according to the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In order to explain the preferred embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the attached drawings may be exaggerated or omitted for clarity and convenience of description, Terms to be given are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Particularly, in describing the present invention, terms (or names) indicating directions or positions such as "bottom", "top", "downward", etc. are used to refer to terms It is to be understood that the present invention is not limited to the meaning of the term itself and that the direction or position may be changed according to the change of arrangement relationship and arrangement relationship of the components and that the term itself indicating the direction or position may also be changed It will be possible.

In addition, it should be mentioned in advance that in some cases, known techniques or configurations which are commonly known in the description of the invention and can be easily applied to implement the present invention may be omitted without showing or describing the present invention.

As shown in FIG. 1, the present invention is applicable to automatic large-size Thompson machines (such as a prism sheet, a diffusion sheet, a reflective sheet of a 65-inch large TV / screen, 1).

That is, the automatic large-size Thomson machine 1 to which the present invention is applied includes largely the raw feed portion 10, the tension adjusting portion 20, the staple portion 30, the raw material discharging portion 40, and the main operating portion 50 .

Here, as shown in FIGS. 1 and 2, the far-end feeder 10 is a portion where the roll-wound fabric is hooked and continuously unwound.

The tension adjusting unit 20 includes a plurality of feed rollers 21 arranged at an arbitrary interval so that the raw material supplied from the raw material feeding unit 10 can be supplied to the staple unit 30 while maintaining a constant tension, A back tension unit 22 and the like so as to maintain a constant tension while the fabric is not transferred during the fabric transferring process, thereby preventing stable positioning and fabric tilt in the staple unit 30, to be.

The striking portion 30 is a portion that can process a product into a desired shape while punching (or pressing) a neck mold (or a wooden mold) into which a blade is inserted according to the shape of the product to be processed.

The far-end discharge portion 40 is a portion where the raw fabric processed at the striking portion 30 is pulled and discharged at a predetermined pitch through a plurality of rollers driven by a motor to grasp or wind up.

The main operation unit 50 is a part where a user sets an operation state of each part through the touch screen panel or operates the operation state in a convenient and precise one-touch operation.

In the automatic large-sized Thomson machine 1 having the above-described configuration, the present invention relates to the configuration of the striking portion 30 in which the neck mold to be punched is loaded.

That is, since the automatic large-size Thomson machine 1 is specifically designed as a prism sheet, a diffusion sheet, a reflective sheet of 65-inch large TV / screen, and various large- The specification of the striking portion 30 of the automatic large-size Thomson machine 1 according to the present invention is not limited to the standard of the striking portion 30 (for example, = 150 cm x 150 cm), the area to be lifted and lowered for the punching work is inevitably widened.

Therefore, in order to provide a stable punching operation in the striking portion 30, that is, to provide a uniform pressure and a strong striking force, the up-and-down descent plate portion 110, which is charged with the neck metal mold 112, It is needless to say that it is necessary to provide a power drive means capable of raising and lowering the vehicle.

That is, in the configuration of the striking portion 30 according to the present invention, as shown in a well-known rudder, the neck metal mold 112 in which the blade is embedded is raised and lowered regularly from the upper surface of the main body housing portion 31 in the form of a work table And a jig base plate (120) including a jig in the form of a plate placed so as to be opposed to the elevated and descending plate portion (110). The elevating plate portion (110) includes an upper plate (111) And a power driving unit 130 for providing a driving force for moving the ascending / descending plate portion 110 upward and downward.

The elevating plate 110 is a portion for loading and supporting the neck mold 112 into which the blade is inserted so that the elevating plate 110 can be lifted and lowered along the four corner portions of the upper plate 111 of the elevating and lowering plate portion 110 A shaft fixing hole 113 is formed so that the shaft 122 can be inserted and fixedly assembled to the shaft fixing hole 113. The mounting and lowering shaft 122 is assembled and fixed to the shaft fixing hole 113, So that it can be assembled.

The neck metal mold 112 is fixed to the upper plate 111 on the upper side of the stab part 30 to grip the handle and can be drawn out from the upper plate 111. In accordance with the shape to be machined, (Not shown).

The top plate 111 may be formed by regularly pressing the fabric passing through the top surface of the jig in the form of a plate in the state where the neck metal mold 112 is loaded, .

At this time, the power drive unit 130 is provided to provide a uniform pressure and a strong punching force by moving up and down the ascending / descending plate portion 110. Since the conventional rotary type, crankshaft, It is difficult to apply the method using the connecting rod, so that a new type of power driving means is implemented.

3 and 4, the power drive unit 130 is disposed in the underground plate 120 and includes a plurality of first and second gear boxes 133 and 135 around one main motor 131, Four elevating and lowering shafts 122 are integrally connected to the elevating and lowering shaft assemblies 113 formed at the corners of the elevating and lowering plate portion 110 by eccentric rotation by driving a plurality of link rotating shafts 134, Can be simultaneously driven up and down.

The power driving unit 130 includes a main motor 131 disposed on one side of a central side of the shaft bottom plate 120 and a driving shaft 132 connected to the driving shaft 132 of the main motor 131, A first gear box 133 disposed on the center side of the axle base plate 120 so as to be able to convert the rotational force generated in the first gear box 133 into a square shape, A plurality of second gear boxes 135 connected to the link rotation shaft 134 and a second link rotation shaft 136 for transmitting rotation power that is orthogonally converted again from the second gear box 135 in opposite directions in opposite directions, And an eccentric cam 137 which is provided on the outer circumferential surface.

The first and second gear boxes 133 and 135 are provided with gears for turning the power transmitted through the drive shaft 132 driven by the main motor 131 to 90 degrees, The gear case is a box-shaped gear case in which gears are inserted into the gear case.

The driving of the main motor 131 is automatically controlled through the control signal of the main operation unit 50 described above.

The eccentric cam 137 serves to move up and down the lifting and lowering shaft 122 by transmitting the power transmitted from the main motor 131 to the lifting and lowering shaft 122 through eccentric rotation.

As described above, the ascending and descending axis 122 is a shaft which is fitted into the ascending and descending axis assembly 113 of the ascending and descending descent plate portion 110 to implement the ascending and descending of the ascending and descending descent plate portion 110, Repeated and continuous punching work is performed through the descent.

The elevating and lowering shaft 122 is connected to an eccentric rotation part 123 disposed at a lower side via a guide shaft 125 which moves up and down along a guide slot 126 formed in the lower plate 121, An eccentric cam assembly hole 124 is formed on the eccentric cam 123 so that the eccentric cam 137 provided on the second link rotating shaft 136 is inserted and eccentrically rotated.

That is, by mounting the eccentric cam in the eccentric cam assembler 124, the eccentric cam 123 rotates in the eccentric direction in accordance with the eccentric rotation of the eccentric cam 137, And reaches the maximum state at the bottom dead center of the eccentric cam 137.

The guide shaft 125 is connected to the eccentric rotation part 123 via the guide shaft 125. The guide shaft 125 is connected to the eccentric rotation part 123 through a guide slot 125 126, so that the lifting / lowering of the lifting / lowering shaft 122 is naturally performed.

That is, the first link rotation shafts 134a and 134b and the second link rotation shafts 136a and 136b, which are interconnected to the first gear box 133 and the second gear box 135 by driving the main motor 131, The eccentric cam 137 provided on the second link rotating shafts 136a and 136b is eccentrically rotated and the eccentric rotation portion 123 is eccentrically rotated so that the guide slots 137 formed in the lower plate 121 The guide shaft 125 moves upward and downward along the guide rails 126 to move up and down the elevating and lowering shaft 122. When the eccentric cam 137 rotates one turn (that is, one stroke) And the four ascending / descending axial shafts 122 connected to each other in synchronization with each other are simultaneously ascended and descended to perform a single punching operation.

According to the present invention, it is necessary to finely adjust the neck mold 122 in which the blade is embedded to precisely punch the punch in the punching operation. The fine adjustment of the neck mold 122 as described above has been conventionally performed manually There is a disadvantage that the precision is deteriorated.

In particular, since the size of the neck mold itself in the large Thomson machine is also relatively large, it is difficult to perform precise adjustment. To achieve this, in the present invention, a gap adjustment device Which is characterized in that it provides.

That is, the present invention establishes an automated system capable of controlling the minute gap in order to realize the error range of ± 0.01 mm in the ultra-precise half-cut and full-cut process.

3 to 5, there is provided an automated gap adjusting device 140 that can finely adjust the vertical height of the neck mold 112 on the ascending / descending plate portion 110.

The gap regulating device 140 includes a plurality of gap regulating devices 140 having a screw shaft structure vertically arranged to be vertically interlocked with the four corners and central portions of the neck mold 112 through upper portions of the upper plate 111 loaded with the neck molds 112 A ring type drive gear 144 formed at the top of the ascending and descending axle shaft 145 and a pinion gear 144 for transmitting rotation power in engagement with the ring type drive gear 144 143 and a plurality of control motors 141 for driving the pinion gear shaft 142, respectively.

Here, the control motor 141 is disposed at the central portion and the four corners of the upper surface of the top plate 111, which is the upper portion of the neck metal mold 112, so that five motors implementing the same output are used, (141) receive the same signal and output the same rotational force.

Likewise, since the ascending / descending axle shaft 145, the ring-type driving gear 144, the pinion gear 143 and the pinion gear shaft 142 are designed to have the same size, Can be maintained.

The pinion gear 143 has a structure in which a thread is formed on the pinion gear shaft 142. The ring type drive gear 144 is meshed with the pinion gear 143 by a thread having a predetermined thickness And are engaged with each other so as to be orthogonal to each other.

That is, the pinion gear 143 and the ring-type driving gear 144 are of a bevel gear type and serve to convert the rotational force of the control motor 141 into a right-angle up-down motion and transmit it.

Therefore, when the control motor 141 is driven and controlled, the five control motors 141 are driven with the same rotational force to drive the pinion gear shaft 142, Type driving gear 144 engaging with the driving motor 143 rotates in the same direction so that the four corners and the central portion of the neck metal mold 112 interlocked with the lifting / lowering feed axle 145 can be raised and lowered to the same height will be.

For example, when the gap control device 140 according to the present invention is used to control the error, the error range of the ultra-precise half-cut and full-scale process can be reduced to about ± 0.01 mm.

At this time, by arranging a plurality of buffer springs 114 between the neck metal mold 112 and the upper plate 111, shocks acting on the neck metal can be buffered in the process of performing the punching work.

That is, as shown in FIG. 5, a plurality of cushioning springs 114 are provided at two positions on the upper side of the neck mold 112 at regular intervals, so that a total of eight cushioning springs 114 are provided have.

As described above, the structure according to the throat mold gap adjustment of the striking part (i.e., the striking device) applied to the large Thomson machine according to the embodiment has been described above. However, It will be understood that various modifications and changes may be made thereto by those skilled in the art.

Therefore, the scope of the present invention should not be limited by the illustrated embodiments, but should be determined by the equivalents of the claims, as well as the claims that follow.

1: Automatic large-sized Thomson machine 10:
20: tension adjusting portion 21: conveying roller
22: back tension part 30:
31: main body housing 40: main control section
50: Fabric discharging portion 110: Up and down elevation plate portion
111: top plate 112: neck mold
113: ascending and descending torsion axis assembling hole 114: buffer spring
120: underground plate portion of the shaft 121:
122: ascending / descending strong axis 123: eccentric rotation portion
124: eccentric cam assembler 125: guide shaft
126: guide elongated hole 130:
131: main motor 132: drive shaft
133: first gear box 134: first link rotation shaft
135: second gear box 136: second link rotating shaft
137: eccentric cam 140: gap adjustment device
141: Control motor 142: Pinion gear shaft
143: Pinion gear 144: Ring type drive gear
145: Height reduction emphasis

Claims (2)

This is a striking part applied to an automatic large-sized Thomson machine for processing a large fabric such as a prism sheet, a diffusion sheet, and a reflective sheet of a 65-inch large TV / screen. A vertical lift plate portion 110 including an upper plate 111 capable of lifting and lowering the metal mold 112 regularly and performing a punching operation by squeezing; 1. A mold gap adjusting device for an automatic large-sized Thomson machine having a shaft bottom plate part (120) including a jig and a power driving part (130) for providing a driving force for raising and lowering the ascending / descending plate part (110)
An automatic gap adjusting device 140 for adjusting the vertical height of the neck mold 112 is provided,
The gap regulating device 140 includes a plurality of gap regulating devices 140 having a screw shaft structure vertically arranged to be vertically interlocked with the four corners and central portions of the neck mold 112 through upper portions of the upper plate 111 loaded with the neck molds 112 A ring type drive gear 144 formed at the top of the ascending and descending axle shaft 145 and a pinion gear 144 for transmitting rotation power in engagement with the ring type drive gear 144 143), and a plurality of control motors (141) for driving the pinion gear shaft (142), respectively. The motor control device according to claim 1, .
The method according to claim 1,
Wherein a plurality of buffer springs (114) are provided between the neck mold (112) and the top plate (111).

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