KR101834149B1 - Plastic Bag Handle Punching Machine - Google Patents

Abstract

The present invention relates to a plastic bag handle punching machine, in particular, to a semi-automatically operated punching machine which is to smoothly and safely withdraw a punched handle mold for a punching object to be discharged, to extend a lifespan of a punching pad, and to allow a replacement thereof to be easily performed. According to the present invention, the punching machine, including a lifting means applied with power in a vertical and reciprocating manner and a punching head provided at the uppermost end of the lifting means to mold a punching object seated on the punching lower support while being lifted and operated with respect to the punching lower support, comprises: a dish-shaped punching pad of a synthetic resin, installed at the center of an upper portion of a punching lower support; a driving roller and a driven roller separately being in contact with a center edge and edges of both ends of one side of the punching pad; a geared DC motor installed below the driving roller by a coupling; an operation bar installed to cover a bearing housing installed in the coupling; a tension spring installed at one end of the operation bar; and a guide supply device. The guide supply device comprises: a guide rod fitted into a fixing bracket installed at both front and rear ends of the punching machine; a punching object guide plate installed with a front and rear lower bracket, guided by being fitted into the guide rod, at a lower portion thereof; a handle mold discharge hole punched at the rear of the guide plate; a handle mold withdrawal step protruding from the rear of the guide plate; and a punching object width adjustment plate at both ends of the guide plate.

Description

{Plastic Bag Handle Punching Machine}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a punching machine for semi-automatic operation, and more particularly, to a punching machine for semi-automatic operation, which is capable of easily and safely pulling out and releasing a knotted material woven with respect to a punching object, To make it easy.

BACKGROUND ART In general, a vinyl bag manufacturing apparatus includes a fusion process in which a vinyl fabric, for example, a tubular form, and a vinyl fabric wound around a paper tube are transported through a transfer path, Is opened and the other side is a device for manufacturing a sealed bag.

Such a vinyl bag manufacturing apparatus comprises feeding means for feeding a wound vinyl fabric; Conveying means for conveying the vinyl fabric of the supplying means by pulling the vinyl fabric through the conveying path, the conveying means comprising a pair of rollers rotated by the operation of a motor provided separately; Fusing means for fusing the transported vinyl fabrics at predetermined intervals; A cutting means for cutting and opening one end of the fused portion while interlocking with the fusing means; And transporting / discharging means for gripping and transporting the vinyl bag cut by the cutting means to the knob forming means when the vinyl bag is stacked by a predetermined amount in advance.

Particularly, in such a conventional plastic bag manufacturing apparatus, the punching machine as the knob forming means includes a lifting means for vertically reciprocating the power as in the registered utility model No. 20-0439866; And a punching head provided at the uppermost end of the elevating means is provided with one or a plurality of lowering punching heads lifted and lowered relative to the punching pads and is placed on the punching pads.

The elevating means includes, for example, a driving unit for generating power; And a power transmission unit for transmitting the power generated by the driving unit.

At this time, the drive unit may include, for example, a reduction gear unit (including a pair of teeth of different diameters) rotated by a motor: motor; A shaft installed at a decelerating portion of the decelerator and rotating; And the driving unit may be, for example, one gear that is rotated by a motor and a motor, or may be a vertically installed cylinder, as another embodiment.

On the other hand, the power transmission unit described above is installed, for example, symmetrically at both ends of the shaft, and is eccentrically connected to both ends of the shaft to eccentrically rotate. An operating point for transmitting the eccentric rotational force of the direction changing body; A pair of guiders supported by a support block fixed to a body of the punching device and linearly moving through a movement force transmitted from the operation space; A support bar axially coupled to the operation end and fixed at one end of the guide to transmit power between the guides to the guider; And a horizontal frame horizontally connecting ends of the guider provided in the left and right direction.

The power transmission portion may include a pair of rack gears meshed with gears rotated by the motor in a vertical state and switching the rotational force of the motor to vertical reciprocating motion and a pair of rack gears And may be a horizontal frame that horizontally connects the piston and the crank of the cylinder to the end of the crank.

The lifting means, which can be configured as described above, transmits the power of the driving portion to the punching means while linearly moving the power transmitting portion. At the time of operation, the punching object is moved to the punching pad on the path where the punching head Or a signal of a sensor that senses when the robot has reached and stopped. The cycle may be one cycle in which the proximity sensor senses a projection provided on the axis.

When the motor rotates through the above-described structure, the shaft axially installed in the decelerating portion of the decelerating means is rotated. Accordingly, when the eccentrically installed direction changing body is eccentrically rotated at both ends of the shaft, the guider is supported by the supporting block .

Then, the punching head fixed on the horizontal frame provided at the upper end of the guider also moves up and down with respect to the punching pad to form a handle on the laminated vinyl bag as a punching object placed on the punching pad.

The punching pad is generally formed of a synthetic resin such as polyurethane or the like and is provided with a punching portion in which a punching blade is fixed to the inserting portion of the punching head so as to prevent a safety accident of the worker. Wherein the punching object is pressed against the surface of the punching object placed on the punching pad to prevent disturbance of the pouch bag while being shrunk by the laminated thickness of the pouch bag by the compression of the pouch bag so that the punching blade protrudes to the outside A cushion member is provided.

With the above construction and operation, the punching blade inserted into the punching head which is operated to move up and down cuts the handle-formed portion of the laminated vinyl bag seated on the punching pad. The punching blade continues the same position of the punching pad The punching pad of the punching pad is deeply fired at the same place, and the punching pad of the synthetic resin is easily worn out, so that it is inconvenient to replace the punching pad from time to time, The punching efficiency of the punching blades is greatly deteriorated and the punching efficiency is largely lowered and the handle of the vinyl bag located in the deep punching pad portion is not properly formed, which leads to a problem of deterioration of the quality of other products.

Registration Practical Utility Model No. 20-0439866

An object of the present invention is to provide a punching machine capable of easily and safely pulling out and releasing a pull-molded object with respect to a punching object, extending the service life of the punching pad, and facilitating replacement thereof.

The present invention relates to an elevating device for vertically reciprocating power; And a punching head provided downward at the uppermost end of the elevating means for forming a punching object placed on a punching lower pedestal while moving up and down with respect to the punching lower pedestal, A punching pad made of synthetic resin; A driving roller and a driven roller which are respectively engaged with a center rim of the punching pad and a rim at one side of the punching pad; A geared DC motor provided under the drive roller by coupling; An operation space in which the bearing housing provided in the coupling is enclosed; A tension spring installed at one end of the operation; And a guide bar fitted in a fixing bracket provided at both ends of the punching machine; A punching object guide plate provided below the front and rear lower brackets which are inserted and guided by the guide rods; A knock-molded-material discharge hole punched rearward of the guide plate; A knock-molded-material take-up jaw projecting rearward of the guide plate; And a guide supply device including a punching object width adjusting plate at both ends of the guide plate.

In the present invention, the pulled-up knob of the pull-molded article is pulled and pulled together with the plastic bag main body together with the plastic bag in a state of being placed on the guide plate, and the punched pull- So that the function of the semi-automatic punching machine is greatly improved.

The present invention has the effect of extending the life of the punching pad by reducing the wear of the punching pad by changing the punching area by rotating the punching pad stably and at a constant angle each time the punching head ascends and descends.

Further, the present invention has an effect of improving the work efficiency of the punching machine by facilitating the replacement of the punching pad.

Brief Description of the Drawings Fig. 1 is an overall configuration diagram of a punching machine according to an embodiment of the present invention
Fig. 2 is an exploded perspective view of the main part of the present invention
3 is a partial perspective view of the present invention
Fig. 4 is a punching pad configuration diagram of the present invention, wherein a) is a combined structure view, and b) is an exploded perspective view.
Fig. 5 is a plan view of the operating state of the punching pad of the present invention
6 is a side view of a punching machine according to one embodiment of the present invention
Fig. 7 is a view showing the operating state of the elevating means for explaining the present invention
Fig. 8 is a plan view of the operating state of the present invention, in which a) is a state in which a punching object is laminated on a guide plate, b) is a state in which a guide plate is transferred to a punching pad side, c) State
9 is a view showing the punching state of the punching object, wherein a) is a state in which a punching object is punched by a punching blade, and b) is a state of separation and discharge after punching the punching body.

The present invention relates to an elevating device (10) for vertically reciprocating power; And a punching head (40) provided downward at the uppermost end of the elevating means (10) for forming a punching object (30) placed on the punching lower pedestal (20) while moving up and down with respect to the punching lower pedestal A punching pad 50 made of a synthetic resin and provided on the center of the upper portion of the punching lower pedestal 20; A drive roller 60 and driven rollers 70 and 80 which are respectively engaged with the center rim of the punching pad 50 and the rim at one side thereof; A geared DC motor 100 installed by a coupling 90 below the drive roller 60; An operation space 110 enclosing a bearing housing 91 provided on the coupling 90; A tension spring 120 installed at one end of the operation space 110; A guide rod 220 fitted in the fixing bracket 210 installed at both ends of the punching machine 200; A punching object guide plate 240 provided below the front and rear lower brackets 230 and 230 'which are inserted and guided by the guide rods 220; A discharge hole 240 'formed in the rear of the guide plate 240 to be punched out; And a guide supply device 400 including a knocked-material take-out jaw 240 'protruding from the rear of the guide plate 240 and a width control plate 250 punched at both ends of the guide plate 240. [ A punching machine can be provided.

A punching portion 42 having a punching blade 41 fixed to the inserting portion of the punching head 40 is installed to cover the entire surface except for the punching blade 41 to prevent a safety accident of the operator. The punching blade 41 is pressed against the surface of the punching object 30 which is punched by the punching pad 50 to prevent disturbance of the pouching bag 41 and the punching blade 41 is contracted by the laminated thickness of the pouching bag A cushion member (not shown) may be provided so as to protrude to the outside.

In the illustrated embodiment, the shaft of the drive motor 11 and the power transmission device 12 are connected to a drive chain (not shown) And the other end is connected to the actuating plate 40A of the punching head 40 so as to be connected to the eccentric portion of the power transmitting device 12 by connecting the lower end of the crank operating rod 14 to one end of the power transmitting device 12, And the punching head 40 is operated to move up and down by rotation.

The elevator means 10 may be operated by operating a switch unit 300 for driving a control unit (not shown) provided in the punching machine 200. The switch unit 300 may be a safety switch The punching head 40 and the rotating punching pad 50 which are operated to move up and down can be composed of the punching machine 200, the up / down switch 320, the power supply switch 330 and the main operation switch 340, For example, the punching head 40 is lifted by the elevating means 10 while the geared DC motor 100 is driven to rotate the punching pad 50 at a predetermined angle .

In addition, the present invention can supply a vinyl bag as the punching object 30 to the punching pad 50, and the embodiment of the present invention can be applied to the semi-automatic punching machine 200 as a punching object 30, (400).

That is, the guide feeder 400 includes guide rods 220 fitted in the fixing brackets 210 installed at both ends of the punching machine 200, respectively; A punching object guide plate 240 provided below the front and rear lower brackets 230 and 230 'which are inserted and guided by the guide rods 220; A discharge hole 240 'formed in the rear of the guide plate 240 to be punched out; And a punching object 30 width control plate 250 may be provided at both ends of the guide plate 240. The punching object 30 may be a punching plate,

The width of the width regulating plate 250 may be adjusted by inserting the front bending portion of the width regulating plate 250 into an elongated hole 240 '' formed at a front lower portion of the guide plate 240 to adjust the width of the width regulating plate 250, A hooking jaw 250 'for hooking the front of the punching object 30 is formed.

A stopper 270 is provided on the guide rod 220 so that the guide plate 240 moves toward the punching head 40 and the punching object 30 laminated on the guide plate 240 is positioned in a position directly under the punching head 40 The lower bracket 230 'provided on the lower front of the guide plate 240 may be designed to be in contact with the stopper 270.

The proximity sensor 500 is installed above one side of the punching machine 200 and is designed to operate the main operation switch 340 when sensing the moment when the lower bracket 230 'is placed on the stopper 270 .

The disc-shaped synthetic resin punching pad 50 is placed on the center of the upper part of the punching lower pedestal 20 and the release preventing cover 130 is attached to the edge of the punching head 50 to the punching lower pedestal 20 The centering edge of the punching pad 50 and the edge of one side of the punching pad 50 are respectively fitted to the fitting recesses 131, 132, and 133 formed at the center inside and the inside of the one side of the separation preventing cover 130, respectively The driving roller 60 and the driven rollers 70 and 80 may be sandwiched between the outer circumferential surface of each of the driving roller 60 and the driven rollers 70 and 80 and the outer circumferential surface of the separation preventing cover 130 A gap D having a predetermined gap is secured between each of the fitting recesses 131, 132, and 133 formed at the center inside and one inside of each of the fitting recesses.

The driven rollers 70 and 80 are mounted on the shaft provided on the punching lower pedestal 20 so as to be rotatably protruded upward and the peripheral surfaces of the driven rollers 70 and 80 are always punched The shaft of the driving roller 60 is fitted to the punching lower pedestal 20 and the driving roller 60 is driven to rotate in a geared DC state in which the shaft of the driving roller 60 is rotated. The circumferential surface of the driving roller 60 is installed so as to maintain the state of being interposed with the center rim of the punching pad 50. [

The hinge shaft 110 'protruding from the center of the operating space 110 in which the bearing housing 91 provided on the coupling 90 is wrapped around is coupled to the lower portion of the punching lower pedestal 20, One end of the tension spring 120 may be fixed to the other end lower fixing portion 110 "of the liver 110 and the other end of the tension spring 120 may be provided inside the frame 200A of the punching machine 200 .

The drive roller 60 is rotated by the geared DC motor 100 while the tension of the drive roller 60 is maintained by the tension spring 120 so that the circumferential surface of the drive roller 60 is rotated about the hinge shaft 110 ' The punching pad 50 is rotated by rotating the driven rollers 70 and 80 in the same direction by rotating the punching pad 50 so that the punching pad 50 is rotated at a predetermined angle So that it rotates stably.

In order to replace the punching pad 50, as shown in FIG. 5, when the operation space 110 is manually operated while the tension spring 120 is elastically moved about the hinge shaft 110 ' The wrapped bearing housing 91 moves to the inside of the frame 200A of the punching machine 200 so that the driving roller 60 also moves outward so that the punching pad 50 can be released. After the new punching pad 50 is inserted, the punching pad 50 can be easily replaced by moving the punching pad 110 back to the original position.

At this time, the outer circumferential surfaces of the driving roller 60 and the driven rollers 70 and 80 and the fitting recesses 131, 132, and 133 And the driving roller 60 is prevented from being disturbed by movement of the driving roller 60 to the outside.

8, a plurality of punching objects 30 are placed on the guide plate 240 controlled by the width adjusting plate 250, and the front of the punching object 30 is guided by a hooking jaw The lower bracket 230 'is brought into contact with the stopper 270 as shown in FIG. 8 (b) so that the guide plate 240 is manually moved along the guide rod 220, The operation of the elevation means 10 is performed by sensing the lower bracket 230 'so that the operation of the main operation switch 340 is controlled by rotating the safety switch 310 in this state .

In this state, when the main operation switch 340 is operated (when the main operation switch is pressed once, the punching head is lowered and then performed one cycle of ascending), the punching head 40 is raised The punching pads 50 are rotated at a predetermined angle while the punching blades 41 are punched with respect to the grips of the plurality of punching objects 30 stacked on the guide plate 240 while being operated, 8, the guide plate 240 is pulled back along the guide bar 220 as shown in FIG. 8C so that the knock molded article take-up jaw 240 "punches the knot molded member 31, And the punched knotted molding 31 to be conveyed is lowered and discharged to the discharge hole 240 'to form a desired plastic bag body 32.

If the knock-molded-material take-up protrusion 240 '' is not formed on the guide plate 240, the knob molding 31 punched by the punching blade 41 is separated from the plastic bag body 32, ), And it is pointed out that the process of punching is complicated.

As described above, according to the present invention, when the punching head 40 descends and punches the punching object 30 by the punching blade 41 and then rises, the geared DC motor 100 drives the punching pad 50 can be rotated by a predetermined angle to change the contact area between the punching blades 41 and the punching pads 50 to reduce wear of the punching pads 50 to prolong the life of the punching pads 50, It is possible to facilitate the replacement of the pad 50, thereby improving the work efficiency of the punching machine 200. [

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art without departing from the scope of the present invention. You will understand that this is possible. Further, the drawings are shown to facilitate understanding of the invention, and should not be construed as limiting the scope of the claims.

10: elevating means 11: driving motor
12: Power transmission device 13: Drive chain
14: between crank operation 20: punching bottom support
30: Punching object 31: Knob molding
32: plastic bag body 40: punching head
40A: Operation plate 41: Punching blade
42: Punching section 50: Punching pad
60: drive roller 70, 80: driven roller
90: coupling 91: bearing housing
100: geared DC motor 110: between operations
110 ': Hinge shaft 110'': Lower fixing part
120: spring 130:
131, 132, 133: insertion fitting portion 200: punching machine
200A: frame 210: fixed bracket
220: guide bars 230, 230 ': front and rear lower brackets
240: Guide plate 240 ': Handle mold release hole
240 ": withdrawal jaw 250: width control panel
250 ': Jaw 260: Adjusting bolt
270: Stopper 300: Switch part
400: guide feeder 500: proximity sensor

Claims (3)

Lifting means (10) for vertically reciprocating the power; And a punching head (40) provided downward at the uppermost end of the elevating means (10) for forming a punching object (30) placed on the punching lower pedestal (20) while moving up and down with respect to the punching lower pedestal A punching pad 50 made of a synthetic resin and provided on the center of the upper portion of the punching lower pedestal 20; A drive roller 60 and driven rollers 70 and 80 which are respectively engaged with the center rim of the punching pad 50 and the rim at one side thereof; A geared DC motor 100 installed by a coupling 90 below the drive roller 60; An operation space 110 enclosing a bearing housing 91 provided on the coupling 90; A tension spring 120 installed at one end of the operation space 110; A guide rod 220 fitted in the fixing bracket 210 installed at both ends of the punching machine 200; A punching object guide plate 240 provided below the front and rear lower brackets 230 and 230 'which are inserted and guided by the guide rods 220; A discharge hole 240 'formed in the rear of the guide plate 240 to be punched out; A guiding and feeding device 400 comprising a pulled-up tab 240 'protruding from the rear of the guide plate 240 and a width control plate 250 punched at both ends of the guide plate 240 Features a plastic bag handle puncher. The punching pad according to claim 1, wherein the disc-shaped synthetic resin punching pad is placed on the center of the upper part of the punching lower pedestal, The centering and one side edges of the punching pad 50 are fixed to the fitting recesses 131, 132, and 133 formed in the center and the inside of the one side of the separation preventing cover 130, respectively. The driving roller 60 and the driven rollers 70 and 80 which are respectively engaged with the driving roller 60 and the driven rollers 70 and 80 and the outer circumferential surfaces of the driving roller 60 and the driven rollers 70 and 80, , And a clearance (D) is formed at a predetermined interval between each of the fitting recesses (131), (132), and (133) formed at the center inside and the inside of the one side of the handle. The hinge device according to claim 1, wherein a hinge shaft (110 ') protruding from the center of the operating space (110) in which the bearing housing (91) provided in the coupling (90) One end of the tension spring 120 is fixed to the lower end fixing portion 110 "of the other end of the operation space 110 and the other end of the tension spring 120 is installed inside the frame 200A of the punching machine 200 Wherein the punching machine comprises a punching machine.

Images