JPH02229644A - Automatic wire gauze setting device for casting machine - Google Patents

Abstract

PURPOSE:To save the wire gauze setting time by providing a holder which can raise and support a wire gauze with magnetic force on a wire gauze setting device, and providing a wire gauze setting jig which can set and store the wire gauze in the outside of a casting machine on a wire gauze supplying device. CONSTITUTION:A product truck 15 which can move from the set position of the upper part of the lower die 9 to the stop position of the outside of a casting machine is assembled into a wire gauze setting device 17. In the stop position of the product truck 15, a wire gauze supplying device which can move to its lower position is provided. The wire gauze setting device 17 is provided with a holder 29 which ascends/descends with an ascending/descending means 25 and can raise and support a wire gauze K set to the wire gauze supplying device with the magnetic force of a magnet 31. The wire gauze supplying means is provided with a wire gauze setting jig 33 which can set and store the wire gauze K moved horizontally with a cylinder 20 in the outside of the casting machine. In such a manner, a wire gauze setting cycle can be assembled into the working cycle of the casting machine.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an automatic wire mesh setting device that can automatically set a wire mesh into a mold of a casting machine.

(Prior art and its problems) Conventionally, a wire gauze is placed at the sprue in the mold of a casting machine for the purpose of removing foreign matter from the molten metal flowing into the mold and ensuring that the molten metal runs out. Molten metal is injected into the mold through a wire mesh, and in the past, workers manually set the wire mesh inside the mold, and the working environment around the mold was under high heat. However, there was a problem that setting the wire mesh was dangerous and difficult.

(Means for Solving the Problems) The present invention has been devised in view of the above conventional problems, and provides an automatic wire mesh setting device for a casting machine that can automatically set a wire mesh in a mold. The purpose is to:
A device that can automatically set a wire mesh inside a lower mold installed in a casting machine, and is built into a product cart for removing products that can be moved from a set position above the lower mold to a rest position outside the casting machine. and a wire mesh supplying device that is movable to a position below the product trolley when the product trolley is at rest position, and the wire mesh setting device includes a wire mesh feeding device that is raised and lowered by an elevating means and set in the wire mesh supplying device. A holder capable of lifting and supporting the wire mesh by the magnetic force of a magnet is provided, and the wire mesh supplying device is equipped with a wire mesh setting jig that is horizontally moved by a cylinder and capable of setting and storing the wire mesh outside the casting machine. It is.

(Function) The automatic wire mesh setting device is composed of a wire mesh setting device that is movable from a set position above the lower mold to a rest position outside the casting machine, and a wire mesh supply device that is movable to a position below the wire mesh setting device. The wire mesh setting device is built into the product cart for taking out the product, and when the product cart is moved to a position above the lower die installed in the casting machine to take out the product, the wire mesh setting device Therefore, when the wire mesh is set in the lower mold and the product cart carries the product out of the casting machine and is at the rest position, the wire mesh setting device is configured to be able to receive the wire mesh from the wire mesh supply device. is equipped with a holder having a magnet that can lift and support the wire mesh set in the wire mesh supply device, so the wire mesh is held in the wire mesh setting device from the wire mesh supply device via the magnet, and the wire mesh setting device is positioned above the lower die. When the wire mesh is set in the set part in the mold, the wire mesh is detached due to the frictional resistance of the set part in the mold, and the wire mesh is properly set in the lower mold. In addition, the wire mesh supply device is equipped with a wire mesh setting jig, and if the worker sets the wire mesh inside this wire mesh setting jig in a safe place outside the machine, the wire mesh setting jig will be The holder is moved to a lower position of the wire mesh setting device, and at this time, the holder is moved downward by the elevating means of the wire mesh setting device, and the wire mesh set in the wire mesh setting jig can be picked up via the magnet, and the operator can The wire mesh is automatically set at a predetermined position in the lower mold by the interlocking operation of the wire mesh supply device and the wire mesh setting device by simply setting the wire mesh in the wire mesh setting jig in a safe place. Therefore, the safety of the work can be ensured without the need for the operator to directly put his/her hand into the lower mold to set the wire mesh, as in the case of the conventional method.

(Example) Hereinafter, one embodiment of the present invention will be described based on the drawings.

First, in explaining the automatic wire mesh setting device of this example,
The overall configuration of a casting machine including a product cart incorporating an automatic wire mesh setting device will be explained based on FIG.

A lower die base 2 is installed horizontally in a machine frame 1 that constitutes a casting machine, and above this lower die base 2 there are four supports 3.
A fixed base 4 is installed horizontally at the upper end of the support column 3, and a pair of elevating cylinders 5 are provided upright on the fixed base 4. A guide bar 6 is erected on the periphery of each lifting cylinder 5 to guide the lifting and lowering movement of the lifting cylinder 5. An upper gay base 7 is installed at the lower end of the rod of the lifting cylinder 5, and on the lower surface of the upper gay base 7. The upper mold 8 that makes up the mold has been completely fixed. On the other hand, a lower mold 9 constituting a mold is fixedly installed on the upper surface of the lower die base 2, and the upper mold 8 is raised and lowered relative to the lower mold 9 by the vertical movement of the lifting cylinder 5. Upper mold 8
Molten metal is supplied into the mold during alignment, and when the upper mold 8 is retracted upward, the product is lifted upward together with the upper mold 8.

On the other hand, a crucible 10 for storing molten metal is installed below the lower die base 2, and a jack device 11 for pushing up the crucible 10 is installed at the bottom of the crucible 10. A roller 12 is provided on the bottom part, and a roller 12 is provided on the bottom part, and a roller 12 is provided on the bottom part.
0 has a structure that allows exit from the aircraft.

Further, a rail 14 is laid horizontally above the lower mold 9, and a product cart 15 is movable on this rail 14. The upper surface of this product cart 15 is the upper mold 8.
It serves as a pedestal 15a for receiving products, and wheels 1 and 6 that can be moved on the rail 14 are provided at the lower end. Therefore, the product cart 15 is moved along the rail 14 to a position P above the lower mold 9. It is possible to move from the to the unloading position P, where the product is unloaded to the outside of the machine.

When this product cart 15 is located above the lower mold 9, that is,
If the position where the product is received from the upper mold 8 is set position P1, then the wire mesh, which will be described later, is supplied at a rest position P before moving to the set position P1. That is, a wire mesh setting device 17 is installed on the bottom side of the product cart 15, and a wire mesh supply device 34, which will be described later, is disposed below the rail 14 so as to be movable orthogonally.

Next, the wire mesh setting device 17 incorporated in the product trolley 15 will be explained with reference to FIGS. 2 and 3.

A main cylinder (air cylinder) 20 is erected on the center upper surface side of a fixed base 18 fixed to the lower part of the product cart 15, and the lower end 20a of the rod of the main cylinder 20 is erected.
A first elevating table 21 is fixedly installed below the fixed table 18 in parallel. Further, a pair of housings 22 are fixedly installed on both sides of the main cylinder 20 on the upper surface side of the fixed base 1B, and a main guide par 23 is slidably provided in the housing 22. 23 is inserted, each main guide par 23. The lower end portion of 23 is fixed to the upper surface of the first elevating table 21.

Therefore, by operating the main cylinder 20, the first lifting platform 21 is guided by the pair of main guide pars 23.
can be raised and lowered.

A cylindrical stopper S is fixed to the upper end of the main guide par 23, and when the main guide par 23 moves downward, the lower end of this stopper S still contacts the upper end of the housing 22. Thus, the structure allows the movement position of the first lifting platform 21 to be regulated.

Furthermore, a pair of housings 26, 26 are fixedly installed on the upper surface of the first lifting platform 21 in a manner that projects upwardly, and a sub-guide par 27, 26 is slidably provided within each housing 26. 27
is inserted. This sub guide par 27. The lower end of the second lifting table 27 is fixed to the upper surface of a second lifting table 25 arranged below and parallel to the first lifting table 21 . On the other hand, the first
A pair of sub-cylinders 24 are erected on both side edges of the elevating table 21, and the rod lower ends 24a, 24a of the sub-cylinders 24.24 are fixed to the second elevating table 25. Therefore, when the pair of sub-cylinders 24 operate, the second lifting platform 25 is moved upward and downward.

Further, a boulder 29 having a magnet 31 at its lower end is vertically installed on the second lifting platform 25, and a bowl-shaped wire mesh K set in a wire mesh setting jig 33, which will be described later, is held by the magnetic force of the magnet 31. However, the wire mesh K can be lifted upward.

In this way, in the wire mesh setting device 17, the first lifting platform 21 can be moved downward by the operation of the main cylinder 20,
At that time, the pair of sub-cylinders 24, 24 are also moved downward together with the first lifting platform 21, and after being moved, the sub-cylinders 24. 24, the second elevating table 25 can be moved downward by the amount of movement of the sub-cylinder 24, and the elevating stroke is ensured by the two-stage elevating and lowering.

In the wire mesh setting device 17 in this example, four holders 29 each having the magnets 31 are installed, and four wire meshes K can be set in the lower mold. That is, when receiving the wire mesh K set in the wire mesh setting jig 33 of the wire mesh supply device 34, which will be described later,
Only the main cylinder 20 is operated, the first lifting table 21 and the second lifting table 25 are moved downward, and the wire mesh K is picked up by the magnet 31. In this state, it rests at the rest position P in FIG. 17 main cylinders 20 are operated, and a pair of sub cylinders 24 are operated.
．． 24 is activated, the wire mesh K held by the magnet 31 is set at a predetermined setting position within the lower mold 9. During this setting, after the main cylinder 20 is actuated, the sub cylinder 24 is further actuated to set the wire mesh K at a predetermined position on the lower die 9. The wire mesh K is fitted into the set part in the mold 9, and the fitting force is stronger than the magnetic force of the magnet 31, so the holder 2
Withdrawal from September 9th.

Next, the wire mesh supply device will be explained with reference to FIGS. 4 to 6.

The wire mesh supply device 34 is movably installed perpendicularly to the rail 14 on which the product cart 15 moves, and is connected to fixed supports 35, 3 fixedly installed outside the machine frame 1 of the casting machine.
A fixing plate 36 is fixedly installed at the upper end of 5.35, a pair of rails 37 are laid on the upper surface of this fixing plate 36, and a roller 40. 40 is arranged in parallel above the fixed plate 36, and furthermore, a pair of rails 41 . 4
1 is fixedly installed, and a jig plate 39 equipped with rollers 42, 42 that can slide and move along the rails 41 and 41 is arranged in parallel on the upper surface side of the movable plate 38. A pair of sub-cylinders 43 are provided at both side edges of the fixed plate 36. 43 is fixedly installed, and each sub cylinder 43 . The movable plate 38 is fixed to the rod ends 43a, 43a of the rods 43.

Therefore, the sub cylinder 43. 43, the moving plate 38 can be slidably moved.

In addition, a main cylinder 44 is located in the center of the moving plate 38.
is fixedly installed, and the rod 4 of this main cylinder 44
The jig plate 39 is fixed to the tip of 4a. Therefore, the jig plate 39 is movable by the operation of the main cylinder 44, and the pair of sub-cylinders 43. 43 and the main cylinder 44 ensure a considerable amount of movement stroke.

Therefore, the sub cylinder 43. By operating the main cylinder 44 after the main cylinder 43 is operated, the jig plate 39 is moved to a position below the product cart 15 at the rest position P.

Incidentally, during this movement, the amount of passage of the wire mesh K is counted by the sensors S, S. In this example, the sensor S is of a high frequency overcurrent type, and is non-contact and has good high temperature characteristics.

In this example, four wire mesh setting jigs 33, 33, 33, 33 are fixed to this jig plate 39, and urethane U is laid inside each wire mesh setting jig 33. A bowl-shaped wire mesh K can be set on the upper surface of the urethane U. The arrangement position of each wire mesh setting jig 33 is set in advance to a location corresponding to the setting position of the lower mold 9, and an operator can place the wire mesh inside each wire mesh setting jig 33 outside the machine. By setting K, the wire mesh K is set in the corresponding position in the lower mold 9.

A bar 45 is provided in a protruding manner at the end of the rod 44a of the main cylinder, a cam floor 46 is provided at the tips of the bars 45 on both edges, and a cam floor 46 is provided in the center thereof in a protruding manner. A bar 47 is provided, and a center positioning roller 48 is provided at the tip of the bar 47. The pair of cam floor 46 and center positioning roller 48 are provided on a bracket 51 fixed to the product truck 15 when the jig plate 39 is moved to a predetermined position below the product truck 15 by the operation of the main cylinder 44. A pair of cam floors 46 are positioned on the plate 49 and a positioning guide 50.
．． 46 rides on and can support the load of the tip of the jig plate 39, and the center positioning roller 48 fits into the positioning guide 55, so that the wire mesh setting jig 33 is stopped at a predetermined position. It happens.

In this way, the automatic wire mesh setting device of this example includes the wire mesh supply device 34 and the wire mesh setting device 17 built into the product cart 15.
When an operator sets the wire mesh K in the wire mesh setting jig 33 outside the casting machine, the wire mesh setting jig is 33 is moved to a position below the product cart 15 as the jig plate 39 moves, and in this state, the main cylinder 20 of the wire mesh setting device 17 is activated, and the wire mesh K is held on the wire mesh setting device 17 by the magnet 31. , and then the product cart 15 is moved to a position P. above the lower mold 9. In this state, the main cylinder 20 and sub cylinders 24 and 24 of the wire mesh setting device 17 are operated, and the wire mesh K held by the magnet 31 is automatically set at a predetermined position in the lower mold 9. When the product trolley 15 receives the product from the upper mold 8, the wire mesh K is set in the lower mold 9 at the same time, and at the rest position Pj of the product trolley 15, the wire mesh setting device Since the wire mesh K is delivered at step 17, the wire mesh automatic setting device can be operated in accordance with the work cycle of the casting machine, and the casting work of the casting machine can be performed continuously without requiring additional wire mesh setting time. It is something that can be done.

Although the magnet 31 is exemplified as having a circular planar lower end, the lower end may be formed in any shape, and may have any shape that can hold and lift the wire mesh. Good.

(Effects of the Invention) The automatic wire mesh setting device for a casting machine of the present invention is a device that can automatically set a wire mesh in a lower mold installed in a casting machine, and is capable of automatically setting a wire mesh in a lower mold installed in a casting machine from a setting position above the lower mold. The wire mesh setting device is constructed of a wire mesh setting device built into a product cart for taking out products that is movable to a rest position outside the product cart, and a wire mesh supply device that is movable to a position below the product cart at the rest position of the product cart, The setting device is equipped with a holder that can lift and support the wire mesh set in the wire mesh supply device by means of a lifting means, and the wire mesh is moved horizontally by a cylinder to the outside of the casting machine. Since the wire mesh set 1/jig that can be set and stored in the machine is provided, the operator can safely set the wire mesh in the wire mesh setting jig outside the machine, and the wire mesh feeder automatically transfers the wire mesh. The wire mesh is taken out to the wire mesh setting device, and the wire mesh setting device can set the wire mesh in a predetermined position of the lower die, and the setting cycle can be incorporated into the work cycle of the casting machine, thereby saving setting time. It has the effect of being able to.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, Fig. 1 is an overall configuration diagram of a casting machine, Fig. 2 is a side sectional view of a wire mesh setting device incorporated in a product trolley, and Fig. 3 is a plan view of Fig. 2. 4 is a side sectional view of the wire mesh supply device, FIG. 5 is a plan view of the jig plate, and FIG. 6 is a plan view of FIG. 4. 8... Upper mold 14... Rail 17... Wire mesh setting device 20... Main cylinder 23... Main guide bar 24... Sub cylinder 27... Sub guide bar 31... Magnet 33...Wire mesh setting jig 39...Jig plate 44...Main cylinder

Claims (1)

[Claims] A device that can automatically set a wire mesh in a lower mold installed in a casting machine, and is built into a product cart for removing products that is movable from a set position above the lower mold to a rest position outside the casting machine. and a wire mesh supplying device that is movable to a position below the product trolley when the product trolley is at a rest position, and the wire mesh setting device includes a wire mesh setting device that is raised and lowered by an elevating means and set in the wire mesh supplying device. A holder is provided that can lift and support the wire mesh using the magnetic force of a magnet, and the wire mesh supply device is equipped with a wire mesh setting jig that is horizontally moved by a cylinder and can set and store the wire mesh outside the casting machine. An automatic wire mesh setting device for a casting machine, characterized by: