JPH069732Y2 - Inserting device for casting metal fittings in casting machine - Google Patents

Description

Detailed Description of the Invention A. Purpose of the invention (1) Industrial field of application The present invention has a head part that detachably holds a casting metal fitting.
The present invention relates to an insert device for a casting metal fitting, which is movably arranged between an insert position for mounting the casting metal fitting on the casting mold and a retracted position outside the casting mold.

(2) Conventional Technology Conventionally, such a device is disclosed in, for example, Japanese Utility Model Laid-Open No. 53-76119.
It is known from Japanese Patent Publication No. 59-181864 and Japanese Utility Model Publication No. 58-13264.

(3) Problem to be Solved by the Invention However, in the above-mentioned conventionally known one, since the insert device is provided separately from the casting die to the casting machine, the insert device is accurately attached to the casting die. Not only is it easy to position, but when detaching the casting mold from the casting machine for replacement, the head part needs to be detached from the casting machine for replacement separately from the work, so the setup as a whole Since the work is troublesome and time-consuming and the insert device is erected on the work surface of the casting machine side, when the head part is standing by at the retracted position, the head part and the arm that supports the head part are standing by. , The drive device of the arm takes up a relatively large occupied space on the work surface around the casting machine,
There is also a problem that it causes a great obstacle for the worker to move around the casting machine and lowers the work efficiency.

The present invention has been made in view of such circumstances, and it is possible to shorten the setup time when replacing a casting mold while securing a working space around the casting machine as wide as possible.
An object is to provide an insert device for a casting metal fitting in a casting machine.

B. Configuration of the Invention (1) Means for Solving the Problems In order to achieve the above object, the present invention provides a casting machine equipped with a replaceable casting mold, in which a head portion detachably holding a casting metal fitting is provided. An insert device for a casting metal fitting in a casting machine, which is arranged so as to be movable between an insert position for mounting the casting metal fitting in the casting mold and a retracted position outside the casting mold. In order to detach the head part together with the casting mold from the casting machine when replacing the casting mold, the arm fixed to the bracket fixed to the casting mold is capable of adjusting the fine position. Is pivotally supported so that the head portion can rotate between the insert position and the retracted position in a plane parallel to the dividing surface of the casting mold by the rotation of the arm. Is equipped with a drive device that forcibly rotates the arm. Characterized in that was.

(2) Action According to the above configuration, when the casting die is replaced, the head portion of the insert device can be detached from the casting machine together with the casting die, and can be integrally replaced. The picking work can be performed easily and quickly. Moreover, since the head, the arm supporting the head, and the drive device for forcibly rotating the arm can be collectively supported by the casting mold, even when the head is in the standby position, the surroundings of the casting machine can be achieved. It is possible to secure a work space as large as possible on the work surface of the work space without being interfered by the head portion, the arm, the driving device, and the like.

Further, since the head portion can rotate between the insert position and the retracted position in a plane parallel to the dividing surface of the casting mold,
Even if the casting dies are not particularly separated from each other in the mold open state, the rotating operation of the head portion between the two positions can be accurately performed without interfering with the casting dies. Further, since the head portion is mounted on the arm so that the fine position can be adjusted, it is easy to correct the positional deviation between the casting die and the head portion.

(3) Example Hereinafter, one example of the present invention will be described with reference to the drawings. First, in FIGS. 1, 2, and 3, the die casting machine M cooperates with a fixed mold (not shown), For example, a movable die 1 is provided as a casting die for die casting an aluminum die cast product, and the movable die 1 is detachably attached to a movable platen 3 having a plurality of, for example, four tie bars 2. Moreover, the movable mold 1 is provided with a plurality of, for example, four guide pins 4 for guiding the approaching and separating operations with respect to the fixed mold.

The movable mold 1 is equipped with an insert device 5 for mounting a casting metal fitting to be cast into a die cast product into the movable mold 1.
Is installed.

The insert device 5 is cast on a bracket 6 fixed to the movable mold 1 so that it can be rotated in a plane parallel to the dividing surface 1a of the movable mold 1 and at the tip of an arm 7 whose base is supported. An insert shown by a solid line in FIG. 1 is provided with a head portion 8 for attaching and detaching the metal fitting, and the arm 7 is at a position where the casting metal fitting held by the head portion 8 can be attached to the movable mold 1. It is rotatable between a position and a retracted position shown by a chain line in FIG. 1 in which the head portion 8 is located outside the movable mold 1.

The bracket 6 is fixed to the outer surface of the movable mold 1, and a rotating shaft 9 having an axis line orthogonal to the dividing surface 1a of the movable mold 1 is rotatably supported by the bracket 6, and this rotation is performed. The base of the arm 7 is fixed to one end of the shaft 9. Further, the bracket 6 supports a hydraulic motor 10 that can rotate forward and backward, and the hydraulic motor 10 is connected to the other end of the rotary shaft 9. Thus, the hydraulic motor 10 constitutes the drive device of the present invention for forcibly turning the arm 7 around the axis of the turning shaft 9.

A support member 11 is fixed to the tip of the arm 7,
The head portion 8 is attached to the support member 11 so that the mounting position of the casting metal fitting can be finely adjusted.

The head portion 8 includes a support plate 12 facing the support member 11,
A movable member 13 that can be moved closer to and away from the support plate 12.
And a plurality of mounting heads 14 for detachably holding the casting fitting, and the movable member 13 is fixed to the tip of the piston rod 16 in the two cylinders 15 fixedly supported by the support plate 12. , The mounting head 14 is the movable member 1
3 are connected to the tip ends of piston rods 18 of two cylinders 17 fixedly supported by 3.

The support member 11 is fixed to the tip of the arm 7 so as to face the dividing surface 1a of the movable mold 1 diagonally in front of the arm 7 when the arm 7 is at the insert position, and the support plate 12 is attached to the support member 11. The divided surfaces 1a are arranged so as to face each other. The cylinders 15 and 17 are arranged so that the piston rods 16 and 18 of the cylinders 15 and 17 approach and separate from the dividing surface 1a. Therefore, the mounting heads 14 can approach and separate from the dividing surface 1a.

A first adjusting rod 19 extending in a direction parallel to the axes of the cylinders 15 and 17 is interposed between the tip of the arm 7 and the supporting member 11, and the arm 7 and the supporting member 19 are supported on both sides of the first adjusting rod 19. The member 11 is tightened with bolts 20 and 21. Therefore, the support member 11 can be slightly rotated around the first adjusting rod 19 by differently tightening the bolts 20 and 21.

A second adjusting rod 2 extending in a direction orthogonal to the first adjusting rod 19 is provided between the support member 11 and the support plate 12.
2 is interposed, and the support member 11 and the support plate 12 are fastened with bolts (not shown) on both sides of the second adjusting rod 22. Therefore, the support plate 12 can be slightly rotated around the second adjusting rod 22.

As a result, each mounting head 14 can be slightly rotated around the first and second adjusting rods 19 and 22, and the position of the mounting head 14, that is, the mounting position of the casting fitting can be finely adjusted. It will be possible.

In FIG. 4, in order to position the arm 7 at the insert position, the arm 7 has an annular engagement provided on one of the four guide pins 4 of the movable mold 1 when rotated to the insert position. An engagement plate 24 that engages with the groove 23 is fixedly provided.

Further, in FIG. 5, the bracket 6 is provided with an elastic member 25 for elastically contacting the arm 7 to stop the rotation when the arm 7 is rotated to the insert position. A recess 27 is provided to allow the stopper 26 to enter and to perform positioning.

A stopper 30 having two contact surfaces 28 and 29 is fixedly provided on the outer surface of the arm 27, and a stopper pin 31 that contacts the contact surface 28 when the arm 7 is rotated to the retracted position, The bracket 6 is provided with an elastic member 32 that contacts the contact surface 29. Therefore, when the arm 7 is rotated to the retracted position side, the stopper pin 31 and the elastic member 32 are rotated.
With, the rotation can be stopped.

Referring also to FIG. 6, an insertion hole 33 is formed in a portion near the tip of the arm 7, and the bracket 6 has
A fixing bar 34, which can be inserted into the insertion hole 33 when the arm 7 is in the retracted position, is provided so as to be movable in the axial direction.
Moreover, the fixing bar 34 is coaxially connected to the tip of the piston rod 36 in the cylinder 35 fixedly supported by the bracket 6. By inserting the fixing bar 34 into the insertion hole 33 by the cylinder 35, the arm 7 can be fixed in the retracted position. Further, when the fixing bar 34 is pulled out from the insertion hole 33, the arm 7 can be rotated to the insert position side.

Next, the operation of this embodiment will be described. The movable mold 1
When die casting is performed in cooperation with the fixed die, the arm 7 is rotated to the retracted position, and the position of the arm 7 is fixed by the fixing bar 34. In this state, a casting metal fitting is attached to the attachment head 14 by an operator.

After the die casting is completed, when the movable mold 1 separates from the fixed mold, the fixing bar 34 is pulled out from the insertion hole 33,
The arm 7 rotates to the insert position and stops at the insert position by the elastic member 25 and the stopper 26. Next, the mounting head 14 is advanced toward the movable mold 1 by the cylinders 15 and 17, and the casting metal fitting is mounted on the movable mold 1.

After that, the mounting head 14 is retracted, the arm 7 is rotated to the retracted position, and then the die casting is started by the movable mold 1 and the fixed mold. Such an operation is sequentially repeated.

In the insert device 5, the mounting head 14 can finely adjust the mounting position with respect to the movable mold 1. Therefore, even if a displacement between the movable mold 1 and the mounting head 14 occurs, the correction can be performed very easily. .

Further, when the movable mold 1 is replaced, the insert device 5 is also integrally replaced, and the setup time can be shortened as compared with the conventional one in which only the head portion is replaced.

C. As described above, according to the present invention, when the casting mold is replaced, the head part of the insert device together with the mold can be detached from the casting machine and integrally replaced. As a result, the setup work can be performed easily and quickly, and the setup time for exchanging the dies can be greatly shortened. Moreover, since the above-mentioned head portion, the arm supporting the same, and the drive device for forcibly rotating the arm can be collectively supported by the casting mold, even when the head portion stands by at the retracted position, On the work surface, the head and arm,
A work space that is not interfered with by the drive device or the like can be secured as wide as possible, and thus a worker can easily move around the casting machine and contribute to the improvement of work efficiency.

Further, since the head portion can rotate between the insert position and the retracted position in a plane parallel to the dividing surface of the casting mold,
Even if the casting dies are not particularly separated from each other in the mold open state, the rotating operation of the head portion between the two positions can be accurately performed without interfering with the casting dies.

Further, since the head portion is mounted on the arm so that the fine position can be adjusted, the misalignment between the casting die and the head portion can be easily and accurately corrected, and the head portion can be accurately positioned with respect to the casting die. can do.

[Brief description of drawings]

The drawings show one embodiment of the present invention. FIG. 1 is a front view of the device of the present invention, FIG. 2 is a view taken along the arrow II in FIG. 1, and FIG. 3 is a line III-III in FIG. Sectional drawing, FIG. 4 is an enlarged view taken along arrow IV of FIG. 1, FIG. 5 is an enlarged sectional view taken along line VV of FIG. 1, and FIG. 6 is a sectional view taken along line VI-VI of FIG. M ... Casting machine, 1 ... Movable die as casting die, 1a ... Dividing surface, 5 ... Insert device, 6 ... Bracket, 7 ... Arm, 8 ... Head part, 10 ... Hydraulic motor as driving device

Continuation of the front page (51) Int.Cl. ⁵ Identification number Office reference number FI technical display location B29C 45/17 7344-4F

Claims (1)

[Scope of utility model registration request] 1. A casting machine (M) equipped with a replaceable casting die (1), wherein a head portion (8) for detachably holding the casting metal fitting has the casting metal fitting (1). In a casting metal insert device for a casting machine, which is movably arranged between an insert position for mounting on the casting mold (1) and a retracted position on the outer side of the casting mold (1), A bracket (6) fixed to the casting mold (1) for detaching the head part (8) together with the casting mold (1) from the casting machine (M) when the mold (1) is replaced. The head (8) is mounted on the arm (7) so that the position can be adjusted minutely.
By rotating the arm (7) so that the head portion (8) can rotate between the insert position and the retracted position in a plane parallel to the dividing surface (1a) of the casting mold (1). A casting device in a casting machine, characterized in that a drive device (10) for pivotally supporting the arm (7) is provided between the arm (7) and the casting mold (1). Hardware insert device.