JP3849056B2 - Support mechanism and tilting method of vertical injection device provided with tilting means - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a support mechanism and a tilting method for a vertical injection apparatus provided with means for rotating and tilting an injection apparatus standing downward on a movable platen on a machine base.
[0002]
[Problems to be solved by the invention]
A bracket with a lock mechanism is inserted into a plurality of guide rods standing on the movable platen, and both ends of the injection bracket body are pivotally supported by the eccentric bolts and fixed with bolts. The bracket is fixed to the guide rod by the lock mechanism when the screw is replaced, and the fixing bracket is removed to free the injection bracket body. The nozzle touch cylinder provided in between is extended, and the injection bracket body rotates with the heating cylinder in the lower screw interior with the eccentric bolt as a fulcrum, so that the screw can be replaced. Injection molding machines are already known.
[0003]
In order to replace the screw with such a molding machine, it is necessary to provide a locking mechanism that fixes the bracket that is constantly moving up and down to the guide rod when replacing the screw, and other than removing the fixing bolt when replacing the screw. In addition, there is a problem that a fixing operation by a lock mechanism is required.
[0004]
The object of the present invention is to restrict the upward movement by the nozzle touch device of the injection device supported by the support pin at the side, and to rotate and incline the injection device by a couple generated there, to clean the inside of the heating cylinder and replace the screw It is an object of the present invention to provide a support mechanism and a tilting method for a vertical injection apparatus provided with a new tilting means that can easily perform the above-described tilting method.
[0005]
[Means for Solving the Problems]
The vertical injection support mechanism of the present invention according to the above object includes a pair of support rods standing on the left and right on the movable plate, a nozzle touch device standing on the movable plate between the pair of support rods, and a pair of support rods inserted through and bridged, and both sides of the support member which is provided vertically movable in conjunction with the operating rod of the nozzle touch apparatus, journaled freely respectively rotated by both sides supporting pins of the heating cylinder retention member on both of the support members An injection device provided with a screw-inner heating cylinder facing downward, a bolt for fixing the injection device to the support member, and a detachable portion provided between the side of the injection device and the movable plate, and by a nozzle touch device A rope that limits the ascent of the injection device and generates a couple with the support pin as a fulcrum by the extension force of the actuating rod to rotate and incline the injection device until the tip of the heating cylinder is located outside the movable platen. It consists of.
[0006]
Gradient method of the invention, the support mechanism of the vertical injection apparatus, after the injection device has no rotatable about the support pins heating cylinder holder by removing the bolt, the injection unit and the movable platen The above-mentioned rope of the required length is hung over the side part, the injection device is raised by the extension of the operating rod of the nozzle touch device, the rise is limited by the length of the rope, and the extension force of the operating rod Thus, a couple is generated with the support pin as a fulcrum, and the couple causes the injection device to be inclined until the tip of the heating cylinder is located outside the movable platen.
[0007]
In the above configuration, hooks or the like for hanging the ends of the rope are provided on the side portions of the injection device and the movable plate that are pivotally supported, and the rope is hung over the injection device and the movable plate as necessary. By simply releasing and fixing the injection device and extending the nozzle touch device, the injection device can be naturally rotated and tilted. As a result, the tip of the heating cylinder is detached from the movable platen, so that the injection is made at the inclined position. The apparatus can be fixed and the nozzle at the tip of the heating cylinder and the internal screw can be safely attached and detached. In addition, since the vertical return need only be released and the nozzle touch device can be reduced, the operation can be simplified.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The embodiment shown in the figure shows a support mechanism of a vertical injection device provided with a hydraulically actuated nozzle touch device.
[0009]
1 machine Taichung diagram (figure omitted) in the movable platen located above the,支保base 3 of the injection device 2 on the left and right sides of the upper surface thereof are to set pairs by installing a seat plate 3a. The支保board 3 is made from those laterally placed with the top base plate 3c of the pair of support plates 3b which is arranged on the seat plate 3a, the support rod 4 in pairs on the right and left sides of the upper surface of the seat plate 3c Stands in parallel. This is the support rod 4 are bridged horizontally supporting member 6 of the injection device 2 is inserted vertically movably into each pair of support rods.
[0010]
A pair of left and right nozzle touch devices 5 including a hydraulic cylinder 5a and an operation rod 5b connected to a piston inside the support plate 3c between the support plates 3b are positioned between the support rods. The tip of the actuating rod 5b is connected to the support member 6 so that the support member 6 can be moved up and down together with the injection device 2, and the nozzle touch is reduced by reducing the actuating rod 5b. Also, it can be lifted by extension.
[0011]
The injection device 2 includes a heating cylinder holder 9 having a heating cylinder 8 with a screw 7 in the lower center, an injection cylinder 10 and an injection piston 11 integrally formed vertically on both sides thereof, and a rod of the injection piston 11. An injection block 12 connected to the upper end and disposed on the upper portion of the heating cylinder holder 9, and a hydraulic motor 13 installed on the injection block 12 and connected to the screw 7 via an internal rotation transmission member (not shown). Become.
[0012]
Both sides the upper portion of the heating cylinder retention member 9, on the inner side of the support member 6 is Yes and concave is journalled hole, the support pin 14 fitted to the Bearing hole, the heating cylinder retention member 9 left and right support members 6, the injection device 2 is rotatably supported on the movable platen. In addition, a plurality of bolt holes are formed at set intervals around the bearing hole, so that the injection device 2 can be fixed vertically or inclined by bolts 15 screwed into the respective bolt holes. It is.
[0013]
Further, as shown in FIG. 2 and subsequent figures, hook members 16 and 17 are provided on the back surface of the heating cylinder holder 9 and the side surface of the movable plate immediately below, and the hook members 16 and 17 have wire ropes, chains, and the like. The rope 18 is hooked at both ends so that the rise of the injection device 2 by the nozzle touch device 5 can be restricted at the side by the rope 18. In the figure, reference numeral 19 denotes guide rods on both sides of the back surface that are connected to the injection block 12 and inserted through the heating cylinder holder 9 .
[0014]
Next, the rotation inclination of the injection device 2 in the support mechanism will be described. When the screw 7 needs to be cleaned or replaced, the bolt 15 that fixes the injection device 2 is first removed, and the injection device 2 is removed. After the free state in the front-rear direction, the rope 18 having a set length provided in advance is hung on the hook members 16 and 17 of the injection device 2 and the movable platen 1. After such preparation, the operation rod 5b of the nozzle touch device 5 is extended at a slow speed to raise the injection device 2.
[0015]
When the injection device 2 reaches a height that is restricted by the rope 18, the side of the heating cylinder support 9 is pulled by the rope 18, and the operating rod 5 b whose couple with the support pin 14 as a fulcrum is expanding. Caused by. Due to the couple, the injection device 2 rotates and tilts to the back side until the operating rod 5b stops extending. Since the tip of the heating cylinder moves in an arc on the front side of the movable platen 1 due to this inclination, the extension stops when the tip is inclined to the outside of the movable platen. Therefore, the inclined position is maintained by re-fixing the injection device 2 with the bolt 15 from which the injection device 2 has been removed.
[0016]
In this way, the rope 18 is hung across the movable platen 1 and the injection device 2 as necessary, and the injection device 2 that is in a free state is rotated and inclined simply by extending the nozzle touch device 5. Since the tip of the heating cylinder is inclined to the outside of the movable platen, the tilting operation can be easily performed without requiring a special operation. In addition, the rope 18 when not needed is wound around the hook member 17, or although not shown in the figure, a take-up reel can be attached to the back of the movable plate, and it can be wound around and stored. The rope 18 does not interfere with the molding operation.
[0017]
In addition, the inclination also varies to some extent depending on the length of the heating cylinder 8. However, the angle of the tip is positioned outside the movable plate (for example, 15 °). Since it is difficult to occur and it is possible to secure safety by fixing with the bolt 15 after tilting, it is possible to prevent danger during operation due to malfunction of the nozzle touch device 5.
[0018]
Further, although the illustrated nozzle touch device 5 is hydraulically operated, it can be similarly applied to an electric nozzle touch device using a ball screw shaft and a ball nut member. Can be applied.
[Brief description of the drawings]
FIG. 1 is a half-cut longitudinal front view of a vertical injection device provided with a tilting means according to the present invention.
FIG. 2 is a top cross-sectional plan view before the cable is attached.
FIG. 3 is a side view of the above.
FIG. 4 is a side view of the injection device when tilted.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Movable board 2 Injection apparatus 3 Support stand 4 Support rod 5 Nozzle touch apparatus 5b Actuation rod 6 Support member 7 Screw 8 Heating cylinder 9 Heating cylinder support body 10 Injection cylinder 11 Injection piston 12 Injection block 13 Hydraulic motor 14 Support pin 15 Bolt 16 , 17 Hook member 18

Claims (2)

A pair of support rods 4 standing on the left and right of the movable platen 1;
A nozzle touch device 5 erected on a movable plate between a pair of support rods ;
Support members 6 on both sides that are inserted through a pair of support rods, are connected to the operation rod 5b of the nozzle touch device 5 , and are provided so as to be movable up and down;
An injection device 2 in which both sides of the heating cylinder holder 9 are rotatably supported by both of the support members 6 by support pins 14 and the heating cylinder 8 inside the screw is provided downward,
A bolt 15 for fixing the injection device 2 to the support member 6;
Coupled to the side of the injection device 2 and the movable plate 1 so as to be detachable, the rise of the injection device 2 by the nozzle touch device 5 is restricted, and the couple force with the support pin 14 as a fulcrum by the extension force of the operating rod 5b And a support 18 for the vertical injection device provided with the tilting means, characterized by the fact that the heating cylinder 8 includes a cable 18 that rotates and tilts the injection device 2 until the tip of the heating cylinder 8 is located outside the movable platen 1. . In the support mechanism of the vertical injection apparatus according to claim 1, after the injection device 2 without rotatable about the support pins 14 to the heating cylinder retention member 9 by removing the bolt 15, an injection device 2 The above-mentioned rope 18 having a required length is hung over the side of the movable platen 1 and the injection device 2 is lifted by the extension of the operating rod 5b of the nozzle touch device 5 , and the rise is caused by the length of the rope 18. In addition to being limited, a couple force with the support pin 14 as a fulcrum is generated by the extension force of the actuating rod 5b , and the injection device 2 is tilted by the couple force until the tip of the heating cylinder 8 is located outside the movable platen 1. A tilting method of a vertical injection device characterized by the above.

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