JPS6027607Y2 - Centering device for product chucking equipment in injection molding machines, etc. - Google Patents

Description

[Detailed description of the invention] The present invention relates to a centering device for a product chucking device in an injection molding machine, etc., and the centering device of the product chucking device can be quickly aligned to the center of the mold of a forming plate in a short time. It is an object of the present invention to provide a centering device for a product chucking device that can accurately match the dimensions and can also be applied to various dimensional measurements of molded plates and standards for additional machining.

The molding plate of an injection molding machine is adjusted so that the product ejection position of the product chucking device matches the center of the mold at startup, but during repeated use, the product ejection position of the product chucking device is adjusted to match the center of the mold. The product take-out position, which is the operating position of the product chucking device, may be misaligned, which may cause scratches on the product or chucking errors, and may also lead to a decrease in the operating rate of the forming plate.

However, conventionally, there is no suitable means for detecting and correcting the deviation of the product take-out position in the product chucking device.
If necessary, the current position of the chuck mounting part was measured using a scale, the amount of deviation was detected by comparing it with the drawing dimensions, and adjustments were made using the amount in the inventory, which not only took a considerable amount of time but also lacked accuracy. Ta.

By adopting the configuration described in the above-mentioned utility model claims, the present invention enables accurate adjustment in a short time so that the chuck attachment part of the product chucking device matches the center of the mold, and also The present invention provides a centering device for a product chucking device in an injection molding machine, etc., which can be used as a reference for various dimension measurements and additional machining.

The configuration of the present invention will be explained in detail below based on the drawings.

1, 2, and 3 show examples of one protruding arm of the present invention, and the movable platen 2 of an injection molding machine equipped with a fixed platen 1 and a movable platen 2 has an end face with respect to the fixed platen 1. A horizontal reference 6 and a vertical reference line 7, which coincide with the center of the mold (not shown), are rotated at 2', and in this projecting arm example, the reference lines 6 and 7 are in both the horizontal and vertical directions, and the reference lines 6 and 7 have a cross section of It is carved in the shape of a letter.

On the other hand, as shown in FIG. 1, the product chucking device 3 has a centering gauge 8 attached to the chuck mounting portion 4.

As shown in FIG. 3, the centering gauge 8 is placed on the horizontal center line XX of the plate 9 with a first horizontal reference member. A second pointer 10.11 is provided protrudingly, and a third pointer 12, which is a vertical reference member, is provided protrusively on the vertical center line y-y of the plate 9.
A plurality of mounting holes 13 corresponding to a plurality of mounting bolts 5 provided in the chuck mounting portion 4 of the product chucking device 3 are formed in the chucking device 3 .

The centering gauge 8 is the first centering gauge. Second. The third pointer 10, 11, 12 is arranged with the end face 2' side of the movable platen 2, and is attached to and detached from the chuck attachment part 4 through the plurality of attachment bolts 5 and the plurality of attachment holes 13. It can be installed freely.

Further, the center of the centering gauge 8 is aligned with the center of the chuck mounting portion 4 of the product chucking device 3 through the fitting of the plurality of mounting bolts 5 with the corresponding plurality of mounting holes 13. By aligning the center of the centering gauge 8 with the center of the chuck mounting portion 4, the centering gauge 8 is positioned perpendicular to the horizontal reference line 6 of the movable platen 2 in a normal state. To the direction reference line 7,
1 of centering gauge 8. Second guideline 10.11 group and third guideline
The pointers 12 of the two align with each other, and the center of the chuck attachment part 4, that is, the product ejection position, aligns with the center of the mold.

As shown in FIG. 1, the centering device of the product chucking device with the upper eyelid structure has a chuck attachment part 4 of the product chucking manor 3 within the space between the fixed platen 1 and the movable platen 2 in the mold open state. At the set lowered position, the centering gauge 8 is moved together with the chuck mounting part 4, as shown by arrow A in FIG. 2', and the first .
Second. The first pointer is aligned with the horizontal reference line 6 at the position where the third pointers 10, 11, and 12 touch. It is checked and separated whether the second pointer 10.11 and the third pointer 12 match the vertical reference line 7, respectively, and the horizontal and Vertical displacement is detected.

Then, the first line with respect to the reference line 6 in the horizontal direction. Second guideline 1
0.11 is shifted in either the left or right direction, the horizontal drive means (not shown) of the product chucking device 3 is operated to align the horizontal reference line 6 with the first. Adjust the second pointers 10 and 11 so that they match, and if the third pointer 12 is misaligned with respect to the vertical reference line 7, use the vertical drive means (not shown) of the product chucking device 3. )
is adjusted so that the chuck attachment part 4 of the product chucking device 3 can be stopped at a position where the third pointer 12 coincides with the vertical reference line 7, and these reference lines 6 , 7 to 1st. 2nd ° 3rd guideline 10, 11.1
Product chucking position 3 is located at the center of the mold where 2 matches.
This is the position where the centers of the chuck attachment portions 4 of 2 and 4 coincide with each other, and the product ejection position coincides with the center of the mold.

The first line of the centering gauge 8 is placed on the horizontal and vertical reference line 6.7 of the movable platen 2. Second and third guidelines 10, 11,
12, and then remove the centering gauge 8 and attach a chuck (not shown) for taking out the product, so that the center of the chuck matches the center of the mold, and the center of the mold The product removal position should match accurately.

Periodic inspections to determine whether the working position of the product chucking device 3 is aligned with the center of the mold can also be performed in the same manner.

The horizontal and vertical reference lines 6 and 7 are turned on the end surface 2' of the movable platen 2, and the reference lines 6 and 7 are attached to the chuck attachment part 4 of the product chucking device 3 and are aligned with the reference lines 6 and 7. The centering gauge 8 whose position has been adjusted can be used, for example, as a reference surface for measuring a reference surface of a pitcher device and as a reference for machining a mounting hole when additionally machining an automatic mold clamping device or the like.

Next, FIG. 4 shows another example of the projecting arm of the present invention, in which V-notches 16, which serve as horizontal matching members, are provided on both end surfaces of the plate 15 on the horizontal center line XX. 17, and the centering gauge 14, which is provided with ■-shaped protrusions 18 and 19, which serve as vertical reference members, on both end faces on the vertical center line Y-Y, respectively, is inserted through the mounting hole 20, which also serves as a positioning member. It is the same as the example of the projecting arm shown in FIGS. 1, 2, and 3, except that it is attached to the chuck mounting portion 4 of the product chucking device 3.

In addition, in the present invention, the horizontal and vertical reference lines 6 and 7 rotated by the movable platen 2 are not limited to those having the cross-section ■groove shown in the figure.
The centering gauge that detects whether or not the product take-out position of the product chucking device 3 is deviated by comparing it with the reference lines 6 and 7 is not limited to the one shown in the example of the projecting arm; Any shape may be used as long as it can be easily verified.

Further, collating members such as V notches 16 and 17 and protrusions 18 and 19 as shown in FIG. 4 may be directly attached to the chuck attachment portion 4.

In addition, the present invention has the above-mentioned reference lines 6 and 7 by attaching the centering gauge 8 or 14 to the product chucking device.
The centering gauge 8 or 14 is always connected to the chuck mounting part 4 to detect and adjust the misalignment.
It is also possible to attach the product chucking attachment (not shown) to the bolt and use it.

The present invention has the structure and operation detailed above, and the centering gauge is mounted by positioning it on the chuck mounting part 4 of the product chucking device 3, and the chuck mounting part 4 and the centering gauge are connected together when the mold is opened. The reference members of the centering gauge are brought into contact with the horizontal and vertical reference lines 6 and 7 turned on the end faces 2' of the fixed platen 1 and the movable platen 2, and the deviation of the centering gauge with respect to the reference lines 6 and 7 is checked. is detected, and based on this detection, the horizontal and vertical drive adjustment means of the product chucking device 3 are operated to align the reference lines 6 and 7 with the reference members of the centering gauge, and then the centering gauge is replaced with the centering gauge. By attaching the chuck, the product ejecting device of the chuck is aligned with the center of the mold, making it possible to quickly and accurately adjust the product ejecting position of the chuck to the center of the mold without requiring any skill. This has the effect of eliminating problems such as scratches on the product due to misalignment of the product take-out position and a reduction in the operating rate of the molding machine.

Furthermore, the present invention has horizontal and vertical reference lines 6, 7 turned on the end surface 2' of the movable platen 2, and a centering gauge attached to the chuck mounting part 4 and centered on both the reference lines 6, 7. It also has the effect of being a ball of yarn, which can be used as it is for various dimensional measurements of the molding machine and as a reference part for additional machining.

[Brief explanation of the drawing]

Figure 1 is a side view of an example of the protruding arm of the present invention, and Figure 2 is the same ■-■
3 is a perspective view of the centering gauge, and FIG. 4 is a perspective view of an example of a different projecting arm of the centering gauge. 1...Fixed plate, 2...Movable plate, 3...
... Product chucking device, 4 ... Chuck mounting part, 6 ... Horizontal reference line, 7 ...
... Vertical reference line, 8°14 ... Centering gauge, 9,15 ... Gauge plate, 10.
11.12...1st. Second. Third guideline, 13
, 20... Mounting hole for positioning, 16.17.
...■Notsuchi, 18, 19...protrusion.

Claims (1)

[Scope of utility model registration request] Horizontal and vertical reference lines that coincide with the center of the mold are set on the end surface of the fixed platen side of the movable platen of the forming plate, and the chuck of the product chucking device is attached to the horizontal and vertical reference lines. 1. A centering device for a product chucking device in an injection molding machine, etc., characterized by being provided with a matching member for matching.