JPH07241648A - Flaskless molding apparatus - Google Patents

Abstract

PURPOSE:To enable the executions of setting of a chiller into a mach plate and setting of a core into a drag with one operator at the same place, in a flaskless molding apparatus, in which the flaskless-like cope and drag are simultaneously molded by using an upper and a lower flasks arranged so as to be reciprocatively swingable at a prescribed angle in a horizontal plane at a prescribed interval in the vertical direction and the match plate arranged so as to be possible to insert/remove between the upper and the lower flasks. CONSTITUTION:The upper and the lower flasks 15, 14 are constituted so as to be reciprocatively shiftable between a molding station 16 and the operator position side 8 by reciprocatively swinging at 90 deg. angle with an upper and lower arms 6, 7. Further, the match plate 24 is arranged so as to be reciprocatively shiftable in the horizontal state between the upper and the lower flasks 15, 14 in the molding station 16 and the operator position side 8 with a carrying means 25.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upper / lower frame which is arranged so as to be reciprocally turnable at a predetermined angle in a horizontal plane with a required space above and below, and a match plate which can be inserted and withdrawn between the upper and lower frames. The present invention relates to an improvement of a frameless mold making facility that simultaneously molds a frameless upper and lower molds.

[0002]

2. Description of the Related Art Conventionally, as this type of equipment, as disclosed in Japanese Utility Model Laid-Open No. 3-126257, two pairs are placed on upper and lower turntables each having an H shape in plan view. The upper and lower molds and the match plate which is provided between the upper and lower frames via the L-shaped middle turntable are configured to simultaneously mold the frameless upper and lower molds. In the conventional equipment configured in this way, while setting the chill plate on the match plate,
When the core is set in the lower mold, it is necessary for each operator to perform the operation at a different position, and therefore, there is a problem that at least two operators are required.
The present invention has been made in view of the above circumstances, and is a frameless mold in which one worker can set a chilled plate on a match plate and a core on a lower mold in the same place. The purpose is to provide molding equipment.

[0003]

In order to achieve the above object, the frameless mold making equipment according to the present invention is an upper / lower frame which is arranged so as to be reciprocally turnable at a required angle in a horizontal plane with a required interval vertically. And in the frameless mold making equipment that simultaneously molds the frameless upper and lower molds by using the match plate that can be put in and out between these upper and lower frames, The arm is configured to reciprocate 90 degrees to reciprocate between the mold molding station and the operator side position, and further, the match plate is conveyed to the position between the upper frame and the lower frame of the mold molding station by the conveying means. It is characterized in that it is arranged so as to be able to reciprocate horizontally between the position on the person side.

[0004]

Operation: The equipment constructed in this way moves the match plate to the operator side position, sets the cold plate on the match plate, then moves the match plate to the mold making station, and at the mold making station. Simultaneously mold the upper and lower molds using the upper and lower frames, then horizontally rotate 90 degrees to move the upper and lower frames of the molds to the operator's side and set the cores in the lower molds. As a result, one worker can set the chill plate on the match plate and the core on the lower mold at the same place.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIG. 1, which is a partially cutaway front view, struts 2 are erected at four corners of a platen-shaped base 1,
A ceiling frame 3 is installed between the upper ends of these four columns 2. A support shaft 4 extending in the vertical direction is mounted at a leftward position between the base 1 and the ceiling frame 3, and a cylindrical member 5 is mounted on the support shaft 4 so as to be horizontally rotatable. Further, the bases of two pairs of upper and lower arms 6 and 7 extending to the right are attached to the upper and lower ends of the cylindrical member 5, respectively, and the upper and lower arms 6 and 7 rotate 90 degrees horizontally and reciprocally. And reciprocates between a front worker side position 8 and a mold making station 16 described later. As shown in FIG. 2, which is a left side view of FIG. 1, the tip of the piston rod of the horizontal cylinder 10 pivotally mounted on the ceiling frame 3 via the bracket 9 is pin-connected to the upper portion of the cylindrical member 5. The upper and lower arms 6 and 7
Is horizontally rotated 90 degrees by the expansion and contraction operation of the cylinder 10.

Further, as shown in FIG. 1, the lower arm 7
Is an arm main body 11 attached to the cylindrical member 5, a lateral cylinder 12 attached to the arm main body 11, a horizontally slidable attachment to the arm main body 11, and a tip end of a piston rod of the cylinder 12 is connected. The lower frame 14 is mounted on the elastic member 13 so as to be able to move up and down, and the lower frame 14 moves horizontally in and out by the expansion and contraction operation of the cylinder 12. ing. Further, an upper frame 15 is movably mounted at a position facing the lower frame 14 on the upper arm 6.

A mold making station 16 is formed on the right side of the support shaft 4, and in the mold making station 16, a lower sand blower having a squeeze portion at the upper end is formed above the base 1. The filling mechanism 17 is arranged so as to be able to move up and down by an upwardly facing cylinder 18 installed on the base 1. A lower filling frame 19 is attached to the lower sand blowing mechanism 17 above the lower sand blowing mechanism 17. 2 upward cylinders 2
It is arranged so that it can be raised and lowered with 0. Further, at a position directly above the lower sand blowing mechanism 17, an upper sand blowing mechanism 21 having a squeeze portion at a lower end is provided on the ceiling frame 3.
The upper filling frame 22 is arranged below the upper sand blowing mechanism 21 so as to be able to move up and down by a downward cylinder 23 attached to the upper sand blowing mechanism 21.

A match plate 24 is provided between the upper and lower arms 6 and 7 in the mold making station 16.
3 is arranged so that it can be moved in and out with a hollowing roller conveyor 25 as a conveying means extending forward, and the left side portion of the match plate 24 is a partial sectional plan view of FIG.
As shown in FIG. 4, the tip of the piston rod of the cylinder 35 fixedly arranged in the front-back direction is connected, and the match plate 24 is moved to the operator side position 8 and the mold making station 16 by the expansion and contraction operation of the cylinder 35. It is possible to move horizontally back and forth.

Further, as shown in FIG. 1, a mold holder 26 is provided above the base 1 at the worker side position 8 and
It is arranged so that it can be moved up and down by an upward cylinder 27 installed above, and a mold pushing mechanism 28 for pushing the mold on the mold receiving table 26 to the left is provided near the mold receiving table 26. In the mold pushing mechanism 28, two upper and lower guide bars 30 installed on the base 1 via a supporting member 29 and extending in the left-right direction are disposed behind the mold receiving base 26, and guide guides 30 are provided. An extruding member 31 is slidably mounted on the bar 30 in the left-right direction, and a piston rod of a lateral cylinder 33 pivotally supported on the base 1 is connected to the extruding member 31 via a support 32. There is
The pushing member 31 is adapted to reciprocate left and right by the expansion and contraction operation of the cylinder 33.

Reference numeral 34 in the drawing is a sand replenishing device for replenishing the upper and lower sand blowing mechanisms 21 and 17 with foundry sand, and the sand replenishing device 34 is connected to a compressed air source (not shown).

Next, the operation of the equipment constructed as described above will be explained. The cylinder 35 is extended to move the match plate 24 to the operator side position 8 and the hollowing roller conveyor 25.
Then, the match plate 24 is set with a predetermined chill. After the setting of the chill is completed, the cylinder 35 is contracted to bring the match plate 24 into the space between the upper and lower arms 6 and 7 of the mold making station 16, and then the cylinder 20 is extended to make the lower filling frame 19. To raise the lower frame 14 from above the lower arm 7 with the lower fill frame 19. Then, the cylinder 18 is extended to a predetermined length to raise the lower sand blowing mechanism 17 to a predetermined height to mount the match plate 24 on the lower frame 14 and the upper frame 15 on the match plate 24, respectively. , The cylinder 23 is extended and the upper frame 22 is lowered and brought into contact with the upper frame 15.

Next, the sand replenishing device 34 and the upper and lower sand blowing mechanisms 21 and 17 are used to blow and fill casting sand into the upper and lower frames 15 and 14 and the upper and lower fill frames 22 and 19, respectively. Then, the cylinder 18 is further extended to raise the lower sand blowing mechanism 17 and the like to move the upper and lower frames 15,
14 and squeeze the foundry sand in the upper and lower fill frames 22 and 19. After the squeeze is completed, the cylinder 18 is contracted to lower the lower sand blowing mechanism 17 and the like, and the upper frame 15 of the mold is placed on the upper arm 6, the match plate 24 is placed on the hollowing roller conveyor 25, and the mold is placed. The lower frames 14 are placed on the lower arms 7, respectively, and subsequently, the cylinder 23 is contracted to raise the upper frame 22, and the cylinder 20 is contracted to lower the lower frame 19. Next, the cylinder 10 is extended to horizontally rotate the upper and lower arms 6 and 90 by 90 degrees to pivotally move the upper and lower frames 15 and 14 of the mold to the operator side position 8, and subsequently, to move the lower arm 7 The cylinder 12 is extended to move the lower frame 14 and the lower mold with the elastic member 13 so that the core is easily set in the lower mold. Then, the core is set in the lower mold. As a result, one worker can set the chill plate on the match plate and the core on the lower mold at the same place.

After setting the core in the lower mold in this way, the cylinder 12 is contracted to return the lower frame 14 to its original position,
Subsequently, the cylinder 27 is extended to raise the mold holder 26, and the upper and lower molds in the upper and lower frames 15 and 14 are aligned with each other. Next, the cylinder 27 is contracted to lower the mold holder 26 to move the upper and lower molds to the upper and lower frames 1.
The cylinder 33 of the mold extruding mechanism 28 is extended to push the upper and lower molds of the mold holder 26 to the left with the pushing member 31, and the cylinder 33 is contracted after the pushing is completed. Then, the pushing member 31 is returned to the original position and one cycle is completed.

As is apparent from the above description, according to the present invention, the upper and lower frames, which are arranged so that they can be reciprocally swung by a required angle in the horizontal plane, are vertically spaced from each other, and between the upper and lower frames. In a frameless mold making facility in which a frameless upper and lower molds are simultaneously molded using a match plate that can be put in and out, the upper and lower frames are reciprocally swung 90 degrees with upper and lower arms It is configured to be capable of reciprocating between a molding station and a position on the side of the operator, and further, the match plate is provided with a conveying means to carry out the above-mentioned molding of the mold molding station.
Since it is arranged so that it can be reciprocated horizontally between the lower frame position and the worker side position, one worker can set the chill metal on the match plate and the core on the lower mold. It has an excellent effect that it can be performed in the same place.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing an embodiment of the present invention.

FIG. 2 is a left side view of FIG.

3 is a partially cutaway sectional plan view of FIG. 1. FIG.

[Explanation of symbols]

 6 Upper Arm 7 Lower Arm 8 Worker Side Position 14 Lower Frame 15 Upper Frame 16 Mold Making Station 24 Match Plate 25 Hollow Out Roller Conveyor

Claims (1)

[Claims] 1. An upper / lower frame, which is arranged so as to be capable of reciprocating a predetermined angle in a horizontal plane with a required space above and below, and these upper and lower frames.
In a frameless mold making equipment in which a frameless upper and lower molds are simultaneously molded using a match plate that can be inserted and drawn between the lower frames, the upper and lower frames 15 and 14 are provided with upper and lower arms 6 , 7 to reciprocate 90 degrees to reciprocate between the mold molding station 16 and the operator side position 8, and further, the match plate 24 is conveyed by the conveying means 25 to the upper side of the mold molding station 16. Lower frame 1
A frameless mold making facility, which is arranged so as to be horizontally reciprocable between a position between Nos. 5 and 14 and an operator side position 8.