JP3637042B2 - Resin tube transfer jig - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a resin tube conveying jig, and more particularly, to a resin tube filling / clamp sealing device for sealing a clamp after filling a resin tube with a filling such as cosmetics or adhesive. In the resin tube transfer jig used in the resin tube filling / clamp seal device, the resin tube is securely held to increase the work efficiency and the appearance of the resin tube is poor. The present invention relates to a conveyance jig for a resinous tube which is prevented.
[0002]
[Prior art and problems to be solved by the invention]
A conventional conveying jig for this kind of resinous tube will be described with reference to FIGS. In FIG. 3, 1 is a resin tube as a finished product filled with cosmetics or a filling material such as an adhesive, and the resin tube 1 is formed of a flexible synthetic resin. 1 is provided with a neck 2a provided with a spout (not shown) at one end of the tube main body 2 and a shoulder 2b connecting the neck 2a and the end of the tube main body 2 over the entire circumference. 2, a threaded cap 3 is detachably provided on the neck 2 a, and a filling material (not shown) is filled in the tube body 2. The other end is clamp-sealed by heat sealing.
[0003]
Next, the filling method and clamp sealing method of the resin tube 1 will be described. First, as shown in FIG. 4, a cap 3 is attached to the resin tube 1 to close the spout and the cap is closed. The resin tube 1 is held in the upside down direction with the 3 side facing downward, the end 2c located above the tube body 2 is opened, and the filling nozzle 4 for filling the filling F is provided at the end. The tube body 2 is filled with the filler F.
[0004]
Next, as shown in FIG. 5, the resinous tube 1 is carried into the seal portion heating device 5, the resinous tube 1 is raised, and the opening of the end 2 c that becomes the clamp seal portion of the resinous tube 1 is opened. Inside, the tip of the nozzle 6 for jetting hot air provided in the seal portion heating device 5 is inserted for a predetermined length.
[0005]
Here, the seal portion heating device 5 will be described. The nozzle 6 provided in the seal portion heating device 5 has a plurality of simple porous nozzle type jet holes 6a, 6a for jetting hot air radially around the tip end portion. The nozzle 6 is connected to a hot air generator (not shown) having a heat source.
[0006]
The nozzle 6 is surrounded by an exhaust pipe 7 with a predetermined interval, and the exhaust pipe 7 is a blower (not shown) for sucking exhaust gas on the downstream side (upper side in the figure). The lower end portion of the exhaust pipe 7 extends slightly below the tip end portion of the nozzle 6, and an inward flange 7b having an opening 7a at the center is formed at the lower end portion. The part 7a is formed to have a diameter slightly larger than the outer diameter in the open state of the end 2c of the tube body 2.
[0007]
Thus, the hot air supplied from the hot air generator flows into the nozzle 6, and the hot air jetted from the simple porous nozzle type jet holes 6 a, 6 a. After heating the inner peripheral portion of the end portion 2c, it flows into the exhaust pipe 7 as high-temperature exhaust, and the high-temperature exhaust is sucked by a blower (not shown) installed on the downstream side of the exhaust pipe 7. It is discharged downstream of the exhaust pipe 7.
[0008]
When the circumferential portion of the end portion 2c of the resinous tube 1 is heated to a predetermined temperature and softened and melted, the resinous tube 1 is removed from the seal portion heating device 5, and as shown in FIG. The end 2c of the tube body 2 is expanded into a tulip shape by softening and melting and is carried into the seal clamp device 8 shown in FIG. 7, and the tube body 2 is softened and melted by the clamp portion 8a of the seal clamp device 8. The end portion 2c is clamped and fused and sealed.
[0009]
FIG. 8 schematically shows a series of work steps for filling, sealing, and inspection of the resinous tube 1. First, the jig mounting base 9 circulated and moved intermittently by a conveyor (not shown) or the like. The resin tube 1 whose end 2c serving as a sealing portion is closed in the holding jig 10 held by a cap (not shown) and opened from the hopper (not shown). It is thrown in and held in an inverted posture with 2c upward.
[0010]
Then, in the next step, the resin tube 1 is lifted off the jig mounting base 9 together with the conveying jig 10 by an elevating means (not shown), and is rotated by the rotation of the elevating means. After positioning by detection of the mark 11 displayed on the sex tube 1, it moves down.
[0011]
Next, in the filling device 12 having the filling nozzle 4, the conveying jig 10 that holds the resin tube 1 is separated from the jig mounting base 9 by the elevating means and is lifted, and the resin property After the contents (not shown) are filled in the tube 1, the transport jig 10 is lowered and held on the jig mount 9 again.
[0012]
Further, the conveying jig 10 that holds the resin tube 1 in the next seal portion heating device 5 is raised again, and after the end portion 2c of the resin tube 1 is heated, it is lowered, It is again held by the jig mount 9.
[0013]
Then, after the end portion 2c of the resin tube 1 is clamp-sealed in the next clamp seal device 8, the end portion 2c is trimmed by a punching die in the next seal portion trimming device 13.
[0014]
Further, the sealing strength inspection of the end 2c is performed in the next step, and the resin tube 1 is taken out.
FIG. 9 shows a concrete resin tube filling / sealing machine in which the above-described series of filling and sealing work steps are performed. In the figure, 14 indicates a conveying device, and the conveying device 14 is conveyed by a conveyor 15. The transfer jigs 10, 10,... Are detachably held on the plurality of jig mounts 9, 9,.
[0015]
Then, a tube supply device 16 for placing and holding the resinous tube 1 in the conveying jig 10 is installed on the upstream side of the conveying device 14, and the resinous tube 1 is further rotated on the downstream side thereof. A positioning device 17 for positioning is disposed.
[0016]
Next, the filling device 12 for filling the resin tube 1 with the contents is provided, and the seal portion heating device 5 for heating the end portion 2c of the resin tube 1 is disposed downstream thereof. ing.
[0017]
Further, a seal clamp device 8 for clamping and sealing a seal portion (not shown) of the resinous tube 1 is provided downstream of the seal portion heating device 5, and a seal portion trimming device 13 is disposed downstream thereof. Has been. A discharge chute 18 is provided on the most downstream side.
[0018]
And although illustration is abbreviate | omitted, the inspection machine etc. for the inspection process used as the next process are installed downstream of this discharge chute 18.
FIG. 10 shows that the conveying jig 10 is held on one jig mounting base 9 of the conveying device 14, and the resin tube 1 is held in the insertion hole 19 opened in the substantially central portion of the conveying jig 10. Indicates the state.
[0019]
The jig mounting base 9 is formed of an aluminum alloy or the like, and an end surface of a horizontal plate-shaped receiving portion 20 having a central opening 20a is formed on a substantially vertical plate-shaped mounting portion 21 for holding on a conveyor (not shown). It is configured to be integrally joined.
[0020]
The conveying jig 10 is molded from a hard plastic with a bottomed cylindrical shape with an open upper end. As described above, the insertion hole 19 is opened at a substantially central portion of the conveying jig 10. The insertion hole 19 is formed to have a diameter slightly smaller than the body diameter of the resin tube 1, and further, a flange portion 10a is formed on the outer peripheral upper end portion of the conveying jig 10, and an opening portion 10b is formed on the bottom portion. Has been.
[0021]
A stainless steel or rubber ring 22 is fixed to the lower surface of the flange portion 10a, and the lower surface of the bottom portion of the conveying jig 10 is cut into a reverse concave shape to form a cutout portion 10c, and the cutout portion 10c is formed in the cutout portion 10c. A stainless steel ring 23 is screwed by bolts 24, 24.
[0022]
Furthermore, the upper end portion of the insertion hole 19 of the conveying jig 10 is notched so as to increase in diameter upward, and a guide surface 10d when the resinous tube 1 is inserted is formed.
Thus, the conveying jig 10 is detachably held on the jig mounting base 9 as described above, and the resin tube 1 is connected to the conveying jig during the above-described contents filling operation and seal portion heating operation. 10 is lifted off the jig mounting base 9 by the lifting means 25 and is lowered when the work is completed, and is held again on the jig mounting base 9.
[0023]
However, the resin tube 1 has a production variation in the diameter of the resin tube 1, and the transport jig 10 is often made of resin for weight reduction. Since the product is highly likely to be deformed over time, if the holding force of the resin tube 1 by the insertion hole 19 of the transport jig 10 is weakened or if the holding force is lost, When the resin tube 1 is rotated when the mark 11 is detected, there is a problem that the resin tube 1 is idled and misaligned.
[0024]
If the positional deviation occurs, processing is performed with the positional deviation at the time of the clamp seal or the trimming described above, and there is a possibility that an appearance defect may occur.
Therefore, in the resin tube conveyance jig, the technology to be solved in order to prevent the idle rotation of the resin tube while ensuring the holding of the resin tube and preventing idle rotation, and improving the work efficiency. The present invention aims to solve this problem.
[0025]
[Means for Solving the Problems]
The present invention has been proposed in order to achieve the above object, in order to transport the resinous tube, a conveying jig resinous tube with an insertion hole for inserting the resinous tube, the insertion A ball disposed at the tip of the ball plunger is formed by opening a radial through hole penetrating outwardly from the insertion hole on the outer periphery of the hole, and screwing a ball plunger into the through hole so as to be freely inserted and removed. A resinous tube conveying jig configured to be held in pressure contact with the resinous tube inserted into the insertion hole ,
The through-hole is composed of three through-holes opened in the radial direction at a predetermined angle apart from the outer periphery of the insertion hole, and the ball plunger is screwed into the through-hole so as to be able to enter and exit, respectively. A resinous tube conveying jig configured such that the resinous tube inserted into the insertion hole is held in pressure contact from three directions by a ball disposed at the tip of
The ball plunger has a substantially bottomed cylindrical shape, and a male screw is engraved on the outer periphery of the ball plunger, and a loosening prevention treatment layer in which a synthetic resin or the like is applied to a predetermined range of the male screw is applied. A spring is disposed in a hollow portion formed in the ball plunger, and the ball is fixed to a tip of the spring, and the ball is unloaded from an opening of the hollow portion of the ball plunger. The present invention provides a resin tube conveying jig that partially protrudes and further has a hexagonal hole for screwing and attaching the ball plunger to the bottom of the ball plunger .
[0026]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. For convenience of explanation, the same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.
[0027]
In FIG. 1, reference numeral 26 denotes a conveying jig. The conveying jig 26 extends from the insertion hole 19 to the outer periphery of the insertion hole 19 opened in the conventional conveying jig (10 in FIG. 10). Three radial through holes 27, 27, 27 penetrating outward are opened at substantially equal angles, and ball plungers 28, 28, 28 to be described later enter and exit the through holes 27, 27, 27. It is freely screwed.
[0028]
As shown in FIG. 2, the ball plunger 28 has a substantially bottomed cylindrical shape. A male screw 29 is threaded on the outer periphery of the ball plunger 28, and a synthetic resin or the like is applied to a predetermined range of the male screw 29. A loosening prevention treatment layer 30 is applied.
[0029]
A spring 32 is disposed in a hollow portion 31 formed in the ball plunger 28, and a ball 33 is fixed to the tip of the spring 32. The ball plunger 28 is in an unloaded state. Partly protrudes from the opening 31 a of the hollow portion 31.
[0030]
Further, a hexagonal hole 34 used for screwing the ball plunger 28 at the time of mounting is formed at the bottom of the ball plunger 28.
Thus, the ball plungers 28, 28, 28 are screwed into the through holes 27, 27, 27 of the conveying jig 26, and the balls 33, 33, 33 is protruded into the insertion hole 19 by a predetermined amount, and then the transfer jig 26 is attached to the jig mount 9 and the resin tube 1 is inserted into the insertion hole 19 in the transfer jig 26. The resin tube 1 is held in pressure contact with the balls 33, 33, 33 biased by the springs 32, 32, 32 of the ball plungers 28, 28, 28 from three directions.
[0031]
Thus, the transfer jig 26 can be used for the ball plan even when the body diameter of the resin tube 1 varies in production, or when the transfer jig 26 is deformed due to aging. In order to securely hold the resinous tube 1 by the jars 28, 28, 28, the resinous tube 1 is prevented from idling and the working efficiency is improved, and the resinous tube 1 is sealed or trimmed while being displaced. It is possible to prevent appearance defects such as In particular, since the ball plungers 28, 28, 28 are held from three directions, the three-point support enables more reliable holding, and the resin tube 1 can be easily centered.
[0032]
It should be noted that the present invention can be variously modified without departing from the spirit of the present invention, and the present invention naturally extends to the modified ones.
[0033]
【The invention's effect】
As described in detail in the above embodiment, the present invention provides a conveying jig for conveying a resinous tube. Since the ball plunger is screwed into the through hole so as to be freely inserted and removed, the ball plunger is inserted into the insertion hole by the ball disposed at the tip of the ball plunger. In addition to being able to prevent the resinous tube from rotating freely, improving work efficiency, and preventing the appearance failure of the resinous tube , The through-hole is composed of three through-holes opened in the radial direction at a predetermined angle apart from the outer periphery of the insertion hole, and the ball plunger is screwed into the through-hole so as to be freely inserted and removed. Plunger tip The resin tube inserted into the insertion hole by the ball urged by the spring and held in pressure contact from three directions is held more securely by the three-point support. In addition, the resin tube is an invention that has a significant effect such as easy centering of the resin tube.
[0034]
Furthermore , according to the present invention, the ball plunger has a substantially bottomed cylindrical shape, a male screw is engraved on the outer periphery of the ball plunger, and a loose resin is applied to the predetermined range of the male screw. A treatment layer is provided, a spring is disposed in a hollow portion formed in the ball plunger, the ball is fixed to a tip of the spring, and the ball is unloaded and the ball plunger A part of the hollow portion protrudes from the opening, and a hexagonal hole for screwing and mounting the ball plunger is formed at the bottom of the ball plunger. Can be prevented from inadvertently loosening or falling off during transportation, and can be easily screwed through the hexagonal hole when the ball plunger is attached to the through hole.
[Brief description of the drawings]
FIG. 1A is a plan view of a conveying jig and a jig mounting base according to an embodiment of the present invention.
(B) One embodiment of the present invention, a partially cutaway front longitudinal sectional view of a conveying jig, a jig mounting base and a lifting means.
2A is a front longitudinal sectional view of the ball plunger of FIG. 1; FIG.
(B) The side view of the ball plunger of FIG.
FIG. 3 is a front view of a completed resin tube.
FIG. 4 is a partially cutaway front longitudinal sectional view of a filling apparatus showing a conventional example and showing a state immediately after filling with a resin tube.
FIG. 5 is a partially cutaway front longitudinal sectional view of a resin tube sealing portion heating device showing a conventional example.
FIG. 6 is a partially cutaway front longitudinal sectional view showing a conventional example and showing a state after heating a sealing portion of a resinous tube.
FIG. 7 is a partially cutaway front longitudinal sectional view showing a conventional example and showing a clamp seal state of a resin tube.
FIG. 8 is a schematic diagram showing the steps of filling, sealing and inspecting a resinous tube, showing a conventional example.
FIG. 9 is a plan view of a resin tube filling and sealing work device according to a conventional example.
FIG. 10A is a plan view of a conveying jig and a jig mounting base according to a conventional example.
(B) A partially cut-away front longitudinal sectional view of a conveying jig, a jig mounting base and a lifting means, showing a conventional example.
[Explanation of symbols]
1 Resin Tube 19 Insertion Hole 26 Conveying Jig 27 Through Hole 28 Ball Plunger 33 Ball

Claims (1)

A resin tube conveying jig provided with an insertion hole for inserting a resin tube in order to convey the resin tube , and a radial penetration penetrating outwardly from the insertion hole to the outer periphery of the insertion hole A hole is opened, and a ball plunger is screwed into the through-hole so as to be freely inserted and removed, and the resin tube inserted into the insertion hole is pressed into contact with a ball disposed at the tip of the ball plunger. A resin tube conveying jig configured to be held ,
The through-hole is composed of three through-holes opened in the radial direction at a predetermined angle apart from the outer periphery of the insertion hole, and the ball plunger is screwed into the through-hole so as to be able to enter and exit, respectively. A resinous tube conveying jig configured such that the resinous tube inserted into the insertion hole is held in pressure contact from three directions by a ball disposed at the tip of
The ball plunger has a substantially bottomed cylindrical shape, and a male screw is engraved on the outer periphery of the ball plunger, and a loosening prevention treatment layer in which a synthetic resin or the like is applied to a predetermined range of the male screw is applied. A spring is disposed in a hollow portion formed in the ball plunger, and the ball is fixed to a tip of the spring, and the ball is unloaded from an opening of the hollow portion of the ball plunger. A resin tube conveying jig, wherein the jig is partially protruded, and further, a hexagonal hole for screwing and mounting the ball plunger is formed at the bottom of the ball plunger.

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