JPH0780970A - Manufacturing machine for semifinished product of bag - Google Patents

Abstract

PURPOSE:To improve production efficiency and productivity and to prevent the generation of an uneven product by automatically performing a process fusing a slide fastener to a surface constituting piece, a process bringing inside and outside slide fasteners to a meshed state and a cutting process by one machine. CONSTITUTION:A lower electrode 9 is fixed to the upper surface of a surface plate 5 and the placing base plate device 10 of inside and outside constituting pieces 1, 2 is provided to the upper surface of the front place of the lower electrode 9. The positioning device 11 of inside and outside slide fasteners 3, 4 and the inside and outside constituting pieces 1, 2 is provided to the upper surface of the rear place of the lower electrode 9. The insertion guide device 12 of the inside and outside slide fasteners 3, 4 is provided to the upper surface of one place of the lower electrode 9. Further, the discharge guide and closing device 13 of the inside and outside slide fasteners 3, 4 is provided to the upper surface of the other place of the lower electrode and a cutting-off device 14 of the inside and outside slide fasteners 3, 4 is provided to the upper surface of the outside place of the discharge guide and closing device 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for manufacturing a synthetic resin film bag with a slide fastener, and obtains a semi-finished bag in which a slide fastener is attached to a thermoplastic soft synthetic resin film. The present invention relates to a semi-finished product manufacturing machine for bags.

[0002]

2. Description of the Related Art Conventionally, a synthetic resin film bag with a slide fastener has a process of welding a front slide fastener to a front surface component piece, a step of welding a back slide fastener to a rear surface component piece, and a front slide member. A semi-finished bag product is obtained by separately performing the steps of stacking the front side component with the fastener and the back side component with the back side slide fastener to bring the front and back slide fasteners into the engaged state, and the step of cutting the excess part of the slide fastener. I was getting. Therefore, manufacturing efficiency and productivity are poor. In addition, since the front slide fastener is welded to the front side component piece and the back slide fastener is welded to the back side component piece in different steps, it is relatively common to produce a product having irregularities.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a novel bag semi-finished product manufacturing machine suitable for improving manufacturing efficiency and productivity and eliminating the occurrence of uneven products. To aim.

[0004]

In order to achieve the above object, a bag semi-finished product manufacturing machine according to the present invention is provided with respect to a front side constituent piece 1 and a back side constituent piece 2 of a thermoplastic soft synthetic resin film bag. A lower electrode 9 fixed on the upper surface of the fixed plate 5 in a laterally long direction, which is used to obtain a semi-finished product 66 of a bag to which the front and back slide fasteners 3 and 4 made of thermoplastic soft synthetic resin are fixed. And a mounting base plate device 10 for both front and back side component pieces 1 and 2 provided on the upper surface of the front plate of the lower electrode 9 in the plate 5, and on the upper surface of the rear plate of the lower electrode 9 on the plate 5. Positioning device 11 for front / back slide fasteners 3 and 4 and front / back both side component pieces 1 and 2, and front / back slide fastener 3 provided on the upper surface of one side of lower electrode 9 on plate 5. Device 1 for insertion guide of 4
2, a discharge guide and closing device 13 for front and back slide fasteners 3 and 4 provided on the upper surface of the other part of the lower electrode 9 in the fixing plate 5, and an outside of the discharge guide and closing device 13 in the fixing plate 5. It is provided with a cutting device 14 for separating the front and back slide fasteners 3 and 4 provided on the upper surface of the portion.

[0005]

EXAMPLE In the example shown in the drawings, the front and back slide fasteners 3 and 4 made of thermoplastic soft synthetic resin are used for the front side component 1 and the back side component 2 of the thermoplastic soft synthetic resin film bag. The lower electrode 9 made of L-shaped brass having the contact surface 8 to the welded portion 7 on the top surface of the vertical portion 6 on the upper surface of the aluminum plate 5 is fixed in the horizontal direction. And the identification plate 5 on the front side of the lower electrode 9, the mounting base plate device 10 for the front and back side component pieces 1 and 2 is mounted on the front side, and the front side and the back side slide fastener 3 are also mounted on the top side of the rear side. 4 and the positioning device 11 for the front and back both side component pieces 1 and 2, and the device 12 for inserting and guiding the front and back slide fasteners 3 and 4 on the upper surface of the right side portion.
Also on the upper surface of the left side, for separating the front and back slide fasteners 3 and 4 from the discharge guide and closing device 13 and the front and back slide fasteners 3 and 4 that have passed through the discharge guide and closing device 13. Each is equipped with a cutting device 14.

The mounting base plate device 10 of the front and back both side component pieces 1 and 2 uses the floating leg member 17 and the floating leg / elastic member 18 on the upper surface of the fixed plate 5 to form a base plate made of an electrically insulating material. 16 is attached such that the rear edge portion 19 of the base plate 16 is located slightly above the upper surface of the horizontal portion 20 of the lower electrode 9, and the rear side edge of the base plate 16 is It is designed to sink under pressure against the elasticity of the floating leg / elastic member 18,

Similarly, the positioning device 11 for the front and back slide fasteners 3 and 4 includes an upper recess 24 for loading the front slide fastener 3 which is made of an electrically insulating material and is composed of a coupling tooth fitting groove 22 and a tape fitting groove 23. Is formed on the lower surface of the front side portion, and an upper loading recess 28 of the back slide fastener 4 including an engagement tooth portion fitting groove 26 and a tape portion fitting groove 27 is formed on the upper surface of the front side portion. And the lower narrow plates 29, which are formed on the upper and lower surfaces of the latter half portion 31 of the electrically insulating thin plate separator 30, respectively. The width plate 25 and the separator 30 are fixed to the lower narrow plate 29 with screws to form the upper and lower narrow plates 25, 29 and the separator 30 as an integrated product 32, and the left side of the rear side portion of the plate 5 is fixed.・ Elastic support at middle and right positions By disposing the leg 33 the respective elastic supporting legs 3
The rear end of 3 is fixed in a cantilever state on the rear end portion of the fixed plate 5 with a screw 34 and a contact member 35, and the integrated product 35 is fixed to the front end of the elastic support leg 33 with a screw 36 and a contact member 37. A state in which the front surfaces of the upper and lower narrow plates 25 and 29 are located on the rear side of the vertical portion 6 of the lower electrode 9 and the rear side portion 39 of the front half portion 38 of the separator 30 is located on the vertical portion 6. To each elastic support leg 33.
A screw 41 with a spring 40 for returning, which determines the upper limit of the return of the tip of the elastic support leg 33, is mounted at an intermediate position of

Similarly, the insertion guide device 12 for the front and back slide fasteners 3 and 4 has the back slide fastener 4 with the upper through hole 43 of the front slide fastener 3 as the upper side.
The small piece 45 opened with the lower side through hole 44 on the lower side is provided upright.

Similarly, the discharge guide and closing device 13 for the front and back slide fasteners 3 and 4 includes a pair of pinch rolls 49 having a constriction 48 in the vertical portion 47 of the L-shaped metal fitting 46.
50 is rotatably supported to form a clearance 51 for inserting the engagement tooth portion,

Similarly, the cutting device 14 for separating the front and back slide fasteners 3 and 4 includes a support wall member 53 and a slide rod 54.
The pulling spring 52 that pulls downward is mounted on the rear end of the swinging rod 54, and a cutting knife 55 is attached to the lower surface of the front half of the swinging rod 54 near the support wall member 53. Also, in the plate 5, the cutting knife 5 is cut.
5, a blade member 57 having a V groove 56 on the upper surface at a position corresponding to 5.
Are provided respectively.

[0011]

The operation of the present invention will be described based on the above embodiment. First, the upper through hole 43 in the insertion guide device 12
The long front slide fastener 3, and the long back slide fastener 4 into the lower through hole 44, respectively.
4 is inserted into the upper recess 24 of the upper narrow plate 25 and the lower recess 28 of the lower narrow plate 29 so as to extend to the left of the positioning device 11, and this extended portion also serves as a discharge guide and close. The back side component piece 2 is inserted into the engaging tooth portion sandwiching gap 51 in the operating device 13, and after this placement, the back face side component piece 2 is placed on the base plate 16 and slid rearward to open the back edge side component piece 2. The cut edge of the portion 58 is abutted against the front surface of the lower narrow plate 29, and the opening edge portion 58 is superposed on the lower side of the tape portion 59 of the back slide fastener 4 existing in the lower recess 28, and this superposition is formed. After that, the front side component piece 1 is placed on the separator 30 and slid backward to open the opening edge portion 6 of the front side component piece 1.
The cut edge of 0 is abutted against the front surface of the upper narrow plate 25, and the opening edge portion 60 is superposed on the upper side of the tape portion 61 of the front slide fastener 3 existing in the upper recess 24, and then the upper electrode. By pressing 62, the opening edge portion 60 of the front surface side component piece 1 between the upper electrode 62 and the lower electrode 9, the tape portion 61 of the front side slide fastener 3, the separator 30, the tape portion 59 of the back side slide fastener 4 and the back surface side. A high-frequency voltage is applied to the upper and lower electrodes 62, 9 while sandwiching the opening edge portion 58 of the component piece 2, so that the opening edge portion 60 of the front side component piece 1 and the tape portion 61 of the front side slide fastener 3 and the rear surface side component piece. 2 opening edge 58 and tape portion 59 of the back side slide fastener 4
After the completion of welding 63 is obtained by welding, the upper electrode 62 is returned upward.

After the upper electrode 62 is returned upward, the left ends of the front and back slide fasteners 3 and 4 which are inserted into the engagement tooth sandwiching gap 51 are pulled to the left, and the front and back slide fasteners 3 and 4 are pulled. By moving the welding completion product 63 to the left, the welding completion product 63 is moved to the upper electrode 62.
After being slid out, the next welding completion product 64 is obtained in the same manner as above.

In this way, when the welded products are obtained one after another, the front and back slide fasteners 3 and 4 are closed by the pinch rolls 49 and 50 in accordance with the above-mentioned work of sliding to the left. Further, when the slide fastener-only portion 65 remaining between the welding completion products due to the pulling and sliding work comes directly under the cutting knife 55, the tip portion of the swinging rod 54 is pressed with fingers to separate the portion 65. It is used for obtaining a semi-finished bag 66.

[0014]

When the bag semi-finished product manufacturing machine according to the present invention is used, the front side slide fastener is welded to the front side component piece, the back slide fastener is welded to the back side component piece, and the front side slide fastener is welded to the front side component piece. Mechanically and automatically perform the steps of stacking the front side component with slide fastener and the back side component with back side slide fastener to put the front and back side slide fasteners in the engaged state, and the step of cutting the slide fastener with one unit. Is possible, manufacturing efficiency,
It is possible to improve productivity and eliminate the occurrence of irregular products.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a side view showing an insertion guide device.

FIG. 4 is a side view showing a device for discharging guides and closing.

FIG. 5 is a side view showing a cutting device for separation.

FIG. 6 is a perspective view showing a welded product.

[Explanation of symbols]

 1 Front-side component 2 Back-side component 3 Front slide fastener 4 Back slide fastener 5 Fixed plate 6 Vertical part 7 Welded part 8 Contact surface 9 Lower electrode 10 Base plate device 11 Positioning device 12 Insertion guide device 13 Ejection guide and closing device 14 Cutting device 16 Base plate 17 Floating leg member 18 Floating leg and elastic member 19 Rear edge part 20 Horizontal part 22 Engagement part fitting groove 23 Tape fitting groove 24 Upper recess 25 Upper narrow plate 26 Engagement part fitting groove 27 Tape fitting groove 28 Lower recess 29 Lower narrow plate 30 Separator 31 Second half part 32 Integrated product 33 Elastic support leg 34 Screw 35 Contact member 36 Screw 37 Contact member 38 First half part 39 Rear part 40 Return spring 41 Screw 43 Upper through hole 44 Lower through hole 45 Small piece 46 L-shaped metal fitting 47 Vertical part 48 Constriction 49 Pinch roll 50 Pinch roll 51 Gap for sandwiching the tooth portion 52 Pulling spring 53 Supporting wall member 54 Swinging rod 55 Cutting knife 56 V groove 57 Receiving member 58 Opening edge 59 Tape portion 60 Opening edge 61 Tape portion 62 Upper electrode 63 Welding completed product 64 Welding completed product 65 Slide fastener only part 66 Semi-finished product of bag

Front page continued (72) Inventor Toshiyuki Sugiyama 4-15-13 Matsushima, Edogawa-ku, Tokyo (72) Inventor Ryuji Egashira 7-8-13 Hirai, Edogawa-ku, Tokyo Kurume Manufacturing Co., Ltd.

Claims (1)

[Claims] 1. A bag in which front and back slide fasteners 3 and 4 made of a thermoplastic soft synthetic resin are fastened to a front side constituent piece 1 and a back side constituent piece 2 of a thermoplastic soft synthetic resin film bag. Which is used for obtaining the semi-finished product 66,
A lower electrode 9 fixed on the upper surface of the plate 5 in the lateral direction,
A mounting base plate device 10 for the front and back both side component pieces 1 and 2 provided on the upper surface of the front plate of the lower electrode 9 in the fixed plate 5, and a table provided on the upper surface of the rear plate of the lower electrode 9 on the fixed plate 5. Back slide fasteners 3 and 4 and front / back both-side component piece 1,
2 positioning device 11 and the lower electrode 9 on the plate 5.
Device 12 for inserting and guiding front and back slide fasteners 3 and 4 provided on the upper surface of one side portion, and front and back slide fasteners 3 and 4 provided on the upper surface of the lower electrode 9 on the other side of the plate 5. The discharge guide / closing device 13 and the cutting device 14 for separating the front / back slide fasteners 3 and 4 provided on the upper surface of the outer surface of the discharge guide / closing device 13 on the fixed plate 5. A semi-finished product manufacturing machine for bags.