JP2004098339A - Camelback in trimming apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a camelback in a trimming apparatus which facilitates work for setting a resin sheet delivered from a thermoforming apparatus. <P>SOLUTION: In the camelback C in the trimming apparatus, the continuous resin sheet S delivered from the molding apparatus is received from one guide part (i) and transferred to the other outlet part (o), the resin sheet discharged from the outlet part (o) is reversed to be guided to the transfer means (f) and (g) of the trimming machine. In the guide part (i), the base part 10a of a guide frame 10 is vertically supported freely rotatably on one side of a main body 1 so that the guide frame 10 is freely tilted by a driving means. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a camel back in a trimming device for reversing the vertical direction of a continuous resin sheet fed from a thermoforming device.
[0002]
[Prior art]
The conventional camel bag has a substantially gentle mountain shape, and has a structure in which a front end on a side for receiving a continuous resin sheet fed from a thermoforming device is fixed. The outline structure is disclosed in, for example, Japanese Patent No. 2747466. Since the camel bag is placed above the trimming machine, its height is about 2.5 m at the center and about 1.9 m at the tip of the front end, for example, according to the applicant. It has been. Since the height of the camel bag is higher than the height of the person, it is not easy to set the resin sheet on the camel bag first. For this reason, a large step-like step is installed near the trimming machine, and the operator sets the resin sheet using the step.
[0003]
[Problems to be solved by the invention]
In the conventional camel back, the front end on the side for receiving the resin sheet is fixed and located at a high position, so that there is an inconvenience that the setting of the resin sheet cannot be performed without using a step. Further, there is a problem that equipment cost is increased due to the installation of the step platform, and a large space must be secured around the trimming machine.
[0004]
An object of the present invention is to provide a camel bag in a trimming device that facilitates setting work of a resin sheet fed from a thermoforming device.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is a method for receiving a continuous resin sheet fed from a molding apparatus from one guide portion, transferring the resin sheet to the other outlet portion, and feeding the resin sheet from the outlet portion. In a camel back in a trimming device provided to guide a sheet to a sheet transfer means of a trimming machine in a state where a sheet is turned over, the guide portion pivotally supports a base portion of a guide frame on one side of a main body so as to freely rotate in a vertical direction. The guide frame is tiltably provided by a driving means.
[0006]
According to a second aspect of the present invention, in a camel bag in the trimming device according to the first aspect, the resin sheet is transferred to an appropriate position of the guide frame toward the outlet. And a feed mechanism for the same.
[0007]
In order to achieve the same object, the invention described in claim 3 is characterized in that a shock absorber is interposed between the main body and the guide frame in the camel back in the trimming device according to claim 1 or 2. It is assumed that.
[0008]
Function and effect of the present invention
(Claims 1 and 2)
First, when the continuous resin sheet fed from the molding apparatus is set in the guide portion of the camel bag, the drive unit is operated to tilt the guide frame downward. As a result, the height of the leading end portion of the guide frame is reduced (in the embodiment, about 1.5 m from the ground), and the front end of the resin sheet is placed on the guide frame and then manually fed between the rollers of the feed mechanism. . Then, after the tip of the guide frame is returned to the original high position (about 2 m from the ground in the embodiment) by operating the driving means again, if the feed mechanism is operated, the resin sheet is moved on the main body. Be transported. Then, the resin sheet sent from the outlet of the main body is set so as to be guided to the sheet transfer means of the trimming machine in a state where the front end is inverted.
[0009]
The subsequent operation of the camel back is the same as the function of the conventional camel back. That is, the resin sheet fed from the molding device is timely fed from the outlet of the main body by the automatic operation of the feed mechanism in conjunction with the trimming machine.
[0010]
(Invention of claim 3)
The guide frame is supported so that its weight is balanced by the shock absorber. Therefore, even if the driving means is a hydraulic cylinder and the fluid pressure in the cylinder decreases, the tip of the guide frame does not descend, so that the safety of the operation is maintained.
[0011]
In the camel back of this trimming device, the guide frame for receiving the resin sheet fed from the thermoforming device can be tilted by the driving means, so that the setting operation of the resin sheet can be performed safely and easily. In addition, the step used for setting the resin sheet is not required, and the working environment is significantly improved.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a side view of a camel bag installed on a trimming device, FIG. 2 is a side view of a guide portion of the camel bag, and FIG. 3 is a plan view of FIG.
[0013]
As shown in FIG. 1, the camel back C in the trimming apparatus of the present invention is formed by forming a peripheral part of a molded product a formed on a continuous resin sheet S fed from a thermoforming apparatus (not shown) into a die d and a punch e. Is disposed above a trimming machine b for punching by a cutting means. Sheet transfer means f and g are disposed on the left and right sides of the trimming machine b, respectively.
[0014]
The camel bag C has a substantially chevron shape, one of which is a guide portion i, the other is an outlet portion o, and the lower portion 2 of the main body 1 near the guide portion i is fixed on the top portion of the trimming machine b. I have. On one side 1a of the main body 1, a fulcrum shaft 4 is rotatably supported by bearings 3 and 3, and a base 10a of a guide frame 10 as a guide portion i is fixed to the fulcrum shaft 4.
[0015]
As shown in FIG. 3, the frame body 11 of the guide frame 10 has a rectangular shape when viewed from a plane, and the screw shafts 13 and 14 are rotatably provided in the short direction on the side of the front end 11a and the rear end 11b. I have. A chain 18 is wound around the sprockets 15 and 16 fixed to the screw shafts 13 and 14 and the tension sprocket 17, and a handle 19 is fixed to the shaft end of the screw shaft 13. 20 and 20 are guide pieces which are partially screwed into a screw shaft 13 formed so that the directions of the screws are different from each other. The guide pieces 20 and 20 have substantially the same length as the frame body 11 inside. Support plates 21 and 21 are attached. Further, the receiving plates 21 and 21 are mounted on a part of several guide bars 22 arranged in the center in the longitudinal direction of the frame main body 11 with their lower surfaces slidably supported.
[0016]
By rotating the handle 19, the screw shafts 13 and 14 are rotated in conjunction with each other, so that the opposing distance between the guide pieces 20 and 20 is adjusted according to the width of the resin sheet.
[0017]
Reference numeral 25 denotes a feed mechanism for transferring the resin sheet toward the outlet o. The roller support plates 26a, 26b of the feed mechanism 25 are screwed at the center to the screw shaft 13 at substantially the same interval as the opposing intervals of the guide pieces 20, 20, from the screw shaft 13 to the rear end 11b side. Is freely and slidably fitted on a guide bar 27 which is disposed slightly parallel to the guide bar 27. An inner cylinder (not shown) of a bearing mounted at the center of the drive rollers 31a and 31b can be moved in the axial direction on a drive shaft 30 which is disposed slightly parallel to the tip end 11a side from the screw shaft 13 and is parallel to the drive shaft 30. Is provided. The drive rollers 31a and 31b are rotatably provided by bearings attached to the roller support plates 26a and 26b. Reference numeral 32 denotes a servomotor attached to the vertical frame portion 11c of the frame main body 11 for driving the drive shaft 30 to rotate.
[0018]
33a and 33b are holding levers pivotally supported on the upper portions of the roller support plates 26a and 26b. Rod ends of air cylinders 34a and 34b attached to the roller support plates 26a and 26b are connected to rear ends of the holding levers 33a and 33b. 35a and 35b are pressing rollers attached to the tips of the pressing levers 33a and 33b.
[0019]
Reference numeral 37 denotes a guide roller disposed on the front end portion 11a of the frame main body 11, and reference numeral 38 denotes a guide roller disposed on one side 1a of the main body 1.
[0020]
Thus, the upper surface of the side edge of the resin sheet placed on the drive rollers 31a, 31b is provided so as to be pressed by the holding rollers 35a, 35b by the operation of the air cylinders 34a, 34b. In a state where the side edges of the resin sheet are sandwiched by the drive rollers 31a and 31b and the pressing rollers 35a and 35b, the resin sheet is provided so as to be transferred toward the outlet o by driving the servo motor 32.
[0021]
Reference numeral 40 denotes an air cylinder as a driving means having a head side attached to the lower front end 2a of the main body 1. The rod 40a side of the air cylinder 40 is connected to the horizontal frame portion 11c of the frame main body 11. A shock absorber 45 is interposed between the lower front end 2a of the main body 1 and the vertical frame portion 11d of the frame main body 11.
[0022]
The guide frame 10 can be tilted freely by the operation of the air cylinder 40, and the distal end 11a of the frame main body 11 moves to a high position when the rod 40a of the air cylinder 40 advances, and when the rod 40a retreats. At a lower position.
[0023]
Next, the operation and handling of the camel bag C in the trimming apparatus having the above configuration will be described.
(When the continuous resin sheet S fed from the molding device is set on the guide frame 10)
In this case, by operating the air cylinder 40, the guide frame 10 is tilted downward to lower the height of the distal end portion. Then, after the front end of the resin sheet S is placed on the receiving plates 21 and 21, the side edge of the sheet S is sandwiched between the driving rollers 31a and 31b of the feed mechanism 25 and the pressing rollers 35a and 35b by manual feeding. Then, the tip of the guide frame 10 is returned to the original high position by operating the air cylinder 40 again. Thereafter, when the feed mechanism 25 is operated, the resin sheet S is transferred on the main body 1.
[0024]
Thus, the resin sheet S sent from the outlet o of the main body 1 is guided to the sheet transfer means g of the trimming machine b in a state where the front end is inverted, that is, in a state where the vertical position of the molded article a is reversed. Set as follows. The subsequent operation of the camelback C is the same as the function of the conventional camelback, and will not be described in detail.
[0025]
The guide frame 10 is provided so that its weight is balanced by the shock absorber 45. For this reason, even if the air pressure of the air cylinder 40 is reduced due to a failure of the switching valve, air leakage of the piping, or the like, it is possible to prevent the guide frame 10 from tilting and lowering. Will be maintained.
[0026]
As described above, the camel back in the trimming device allows the guide frame for receiving the resin sheet fed from the molding device to be tiltable by the air cylinder (drive means), so that the setting operation of the resin sheet can be performed easily and safely. There are advantages that can be done.
[Brief description of the drawings]
FIG. 1 is a side view of a camel bag installed on a trimming device. FIG. 2 is a side view of a guide portion of the camel bag. FIG. 3 is a plan view of FIG.
C ... Camel back i ... Guide part o ... Exit part b ... Trimming machine f, g ... Sheet transfer means S ... Resin sheet 1 ... Body 10 ... Guide frame 10a Base 11 Frame main body 25 Feeding mechanism 30 Drive shafts 31a and 31b Drive rollers 35a and 35b Press roller 32 Servo motor 40 Air Cylinder (drive means)
45 ・ ・ ・ Shock absorber

Claims (3)

The continuous resin sheet fed from the molding device is received from one guide portion and transferred to the other outlet portion, and the resin sheet sent out from the outlet portion is guided to the sheet transfer means of the trimming machine in an inverted state. In the camel back in the trimming device provided as follows,
A camel back in the trimming device, wherein the guide portion is provided on one side of the main body such that the base portion of the guide frame is rotatably supported in a vertical direction so that the guide frame can be tilted by driving means. The camel bag in the trimming device according to claim 1, wherein a feed mechanism for transferring the resin sheet toward the outlet portion is provided at an appropriate position of the guide frame. The camel bag according to claim 1 or 2, wherein a shock absorber is interposed between the main body and the guide frame.

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