JPH0773774B2 - Inversion device in die casting - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reversing device used in die casting for efficiently casting using a large number of dies.

[0002]

2. Description of the Related Art A conventional die casting machine is an integral unit, and the same machine is used for pouring and taking out products. In the conventional die casting machine, an appropriate die has been determined.

[0003]

As described above, the conventional die casting apparatus is an integral unit, and since the same machine is used from pouring to taking out the product, the setting time of the hot water and the taking out of the product from the die are performed. It took a lot of time, etc. Therefore, there is a drawback that the production efficiency is poor because the waiting time is long. In addition, since the conventional die casting machine has been determined as an appropriate die, when casting many kinds of castings, it is necessary to equip the die casting machine with the number corresponding to the type of the die, There is a problem that the cost increases accordingly. Further, even if the die casting machine is provided with a conveying device, it is difficult to cast many kinds of products with the same die. In order to solve the above-mentioned problems, the present inventors have made the first line,
A second line is provided, and a first pushing device, a separating device, a reversing device, and a first conveying device are arranged on the first line, and a second pushing device, a first feeding device, and a second feeding device are provided on the second line. Although a mold casting apparatus has been proposed in which the first carrier device, the second carrier device, and the separating device are arranged, the present invention relates to a separating device required for this mold casting device. That is, in order to be able to use a large number of molds and to efficiently perform casting, a ring body on which the molds can be placed is rotatably supported, and the molds are fixed to the ring body by a mold pressing device. Then, a reversing device capable of reversing and reciprocating the wheel is demanded.

[0004]

In order to satisfy the above-mentioned demands, in the present invention, two wheels are integrally connected at an appropriate interval, and the wheels are rotated on a frame by a plurality of rollers. A mold pressing device which can be freely supported and can be reciprocally reciprocally driven, and in which a plurality of rollers for mounting a mold can be arranged in the ring body, and the mounted mold can be fixed by a cylinder provided in the ring body. Is provided to configure an inversion device in die casting.

[0005]

According to the present invention, since the reversing device necessary for forming the mold casting device by dividing each function is formed as described above, according to this reversing device, the mold sent from the separating device is It is possible to place the mold in the ring body and fix the mold, and to reversely drive the poured mold. Therefore, by arranging each device including the reversing device in a circle through the transport device, it is possible to efficiently cast using a large number of molds.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of a mold A used in the present invention. In the figure, 1 is an upper mold, 2 is a lower mold, 3 is a core, 4 is an upper mold base, 5 is a lower mold base, and 6 is an upper mold. Type getter, 7 is a lower type getter, 8 is an upper type master plate, 9 is a lower type master plate, 10 is an extruding plate fitted in the upper and lower master plates 8 and 9, respectively, and 10a is projectingly provided on the extruding plate 10. The push pin 10b is a guide rod.

In the present invention, a large number of such molds A are prepared and used. In this case, different molds may be mixed, and if the outer shapes and dimensions of the master plates 8 and 9 are constant. Good.

FIG. 2 is a plan view showing the arrangement of various devices used for carrying out the mold casting method according to the present invention.
Is a partial elevation view thereof.

In the figure, L ₁ is a _first line which represents a process line, and L ₂ is a second line which is set in parallel with the first line L ₁ at an appropriate interval. On the first line L ₁ , a first pushing device B, a separating device C, a reversing device D, a first conveying device E, and a mold set-up stand F are arranged in this order. The rails of the truck and the first transfer device E extend above the second line L ₂ . On the second line L ₂ , a second extrusion device G, a first transfer device E, and a second transfer device H.
The rails of the separating device C and the damper device I are arranged in this order. In addition, J is a hoist frame arranged at an extended position of the first line L ₁ , K is a heating furnace used for drying the mold, and L is a hydraulic unit for driving and controlling each device.

FIGS. 4 and 5 show a separating device C, in which 11 is a floor of a factory. 12 is a frame installed on the floor surface 11, on which the first line
Lay two rails 13 orthogonal to L ₁ and the second line L ₂ . 14 is a trolley that runs on rails 13 (traverser)
In the frame, 15 is a wheel, 16 is an axle, and 17 is a bearing. 18 is a rack pedestal placed on one side of the frame 12, and 19
Is a rack fixed to this pedestal 18. The pinion 20 meshing with the rack 19 is fixed to the axle 16 and the axle 16
The sprocket 21 is fixed to the rack, and the chain 23 is passed between the sprocket 22 and the sprocket 21 fixed to the shaft of the motor (not shown) installed on the frame 14, and the motor is rotated in the forward and reverse directions to move the rack. The pinion 20 meshing with 19 is rotated forward and backward to traverse the carriage 14 along the rail 13.

Further, as shown in detail in FIG. 5, on the frame 14 of the truck, two plate members 25 are arranged in parallel with the rails 13 at appropriate intervals via an interposing member 24. 2 channel members 26 are arranged at appropriate intervals so as to be orthogonal to the plate member 25, and 5 channel members are provided on each of the channel members 26.
The individual mold supporting rollers 27 are arranged via bearings 28 so that the lower master plate 9 of the mold A can be movably supported by the rows of rollers 27 on both sides.

Further, a lower die pushing cylinder 29 is erected on the bottom of the frame 14 of the carriage at the center between the rows of the rollers 27.
A lower die extruding plate 30 is horizontally fixed to the upper end of the piston rod 29a, and a plurality of (eight in this embodiment) lower die extruding pins 31 are projectingly provided on the lower die extruding plate 30. Reference numeral 32 is a guide rod projecting below both side portions of the lower die extruding plate 30, and 33 is a guide for guiding the guide rod 32 and fixed to the lower surface of the plate member 25. Therefore, the lower die push plate 30 can be moved up and down by moving up and down the piston rod 29a of the cylinder 29.

Two sets (four sets in total) of lower mold fixing cylinders 34 are provided outside each roller row of the mold supporting rollers 27, and the mold clamping claws 35 are operated by the operation of the cylinders 34. Then, the master plate 9 of the mold A can be fixed or released. Reference numeral 36 is a bracket for holding the mold clamp claw 35.

Further, 37 is a product take-out device provided above the second line L ₂ side of the truck so as to move together with the truck,
Reference numeral 38 is a cylinder for adjusting the position of the product take-out device, which is provided between the side of the first line L ₁ of the product take-out device and the carriage frame 14.

Further, an elevated platform 39 straddling the rail 13 is provided on the first line L ₁ . 39a are four columns of an elevated platform 39 which is erected on the frame 12. A mold opening / closing cylinder 40 is vertically set up in the center of the elevated platform 39, and a top plate 41 is fixed to the upper end of an upper piston rod 40a of the cylinder 40 to fix the cylinder 40.
The platen 42 is connected to the lower end of the lower piston rod 40b of the above, and the top plate 41 and the platen 42 are connected through the vertical rods 43 through the elevated base 39 at the front, rear, left, and right of the cylinder 40. A guide sleeve 44 for slidably guiding 43 is provided on the elevated platform 39. Also mount
A plate 45 is provided on the lower surface of the plate 39, and a plurality of (eight in this embodiment) upper extruding rods 46 project downward from the plate 45. The platen 42 is provided with holes through which the respective extruding rods 46 pass. It is provided in the above to configure the product take-out device.

A pair of bearings 47 facing each other is provided at four positions on the upper surface of the platen 42, and these bearings 47 facing each other are provided.
Insert the mold clamp claws 48 between them through the platen 42 in the vertical direction, and pivotally support the claws 48 by a shaft 49,
A claw opening / closing cylinder 50 is interposed between the upper ends of the claws 48 facing in the direction of the rail 13 to form a mold clamping device.

6 to 8 show a reversing device D of the present invention, in which a frame 51 is installed on the floor surface 11 and two plate-like bodies 52a are arranged at appropriate intervals to cross members. The wheels 52 are integrally connected via 52b, 52c, 52d, and the ring 52 is rotatably supported by four rollers 53 arranged on the frame 51. Reference numeral 54 is a bearing of the roller 53. In addition, on the outer surface of the plate-shaped wheel 52a on one side,
The arc-shaped chain guide member 55 formed over a range of an intersection angle of about 140 degrees about the center of the
The bisector of 40 degrees is fixed at a position which is oriented at about 45 degrees to the lower right of the center of the wheel body 52 in FIGS. 6B and 7B, and the sprocket is directly below the chain guide member 55. 56 is arranged, a shaft 57 of this sprocket 56 is mounted on a frame 51 via a bearing 58, a sprocket 59 is fixed to an outer end portion of the shaft 57, and a sprocket fixed to a shaft of a motor 60 installed on the frame 51. The chain 62 is passed over the sprocket 59 and the sprocket 59, one end of the chain 63 hung on the sprocket 56 is fixed to one end of the chain guide member 55, and the other end of the chain 63 is fixed to the other end of the chain guide member 55. Then, the drive device for the wheel 52 is configured. That is, by rotating the motor 60 in the forward and reverse directions, the wheel 52 can be reciprocally reciprocally driven within a range of about 90 degrees. Reference numeral 56a shown in FIG. 7A is a flanged guide roller provided on the shaft 57 in parallel with the sprocket 56.

Further, a plurality of (in this embodiment, four) members are provided on each of the two left and right cross members 52d provided at the lower portion of the wheel body 52.
The individual die supporting rollers 64 are arranged via bearings 65 so that the lower die master plate 9 of the die A can be movably mounted. A bracket 66 is provided on the side where the master plate 9 enters from the separating device C.
In FIG. 8, a hollow cylindrical tubular body 67 as shown in detail in FIG. 8 is erected, a slant surface 68a is formed on the upper end of a rod 68 slidably fitted in the tubular body 67, and a master plate is provided on the back side thereof. An inverted cup-shaped spring receiving member 69 fixed to the lower portion of the rod 68 to form a stepped portion 68b that engages with the end portion of 9;
A coil spring (72) is inserted between a spring seat (71) whose position is freely adjustable by an adjusting screw (70) in a lower part of a cylindrical body (67) to form a positioning device. Reference numeral 73 is a detent screw whose tip is inserted into a vertical groove formed in the spring receiving member 69 by being screwed into the tubular body 67. Because of this, the master plate 9
8 enters from the left side of FIG. 8, the lower edge of the master plate 9 hits the slope 68a and pushes down the rod 68 against the spring 72, and when the master plate 9 passes, the rod 68 moves up due to the action of the spring 72. Step 68b
Engages with the lower edge of the master plate 9 to prevent the master plate 9 from returning, and positions the mold A.

Reference numeral 74 is the upper mold master plate 8 of the mold A.
A guide roller for guiding the side edge of the bearing 75, its bearing 75, and a member 76 mounted between the upper and lower cross members 52c for mounting the bearing 75. The guide roller 74 serves to support the upper mold master plate 8 of the mold A when the wheel 52 is rotated by about 90 degrees.

Further, a plate member 77 is fixed to the lower surface of the cross member 52b provided on the upper part of the ring body 52, a mold pressing cylinder 78 is erected on this member 77, and a mold pressing plate 79 is provided at the lower end of the piston rod 78a. Secure this with the embossing plate 79
A guide rod 80 penetrating the plate-shaped member 77 is provided upright, and a guide rod member 81 slidably fitted to the guide rod 80 is provided on the plate-shaped member 77 to form a mold pressing device.
That is, this device can press and fix the mold A placed on the roller 64 by pushing down the piston rod 78a of the cylinder 78, and also move the mold A by raising the piston rod 78a. You can

Next, the first transfer device E will be described with reference to FIGS. 9 and 10. This is a rectangular frame on the floor 11
82 are provided so that the longitudinal lines thereof are orthogonal to the first line L ₁ and the second line L ₂ , respectively, and horizontally long standing frames 83 are erected on the left and right long sides of the frame 82. , The drive shaft 84 of the chain conveyor is provided laterally on the second line L ₂ side of the left and right standing frames 83,
Each of the sprocket 85 for chain conveyor is fixed to the inner shaft 84 of the sprocket, the sprocket 86 is fixed to the outer shaft 84 of the one vertical frame 83, and the speed reducer 87 is installed on the frame 82 below the sprocket 86. , Chain 89 to the sprocket 88 and sprocket 86 fixed to the output shaft of this speed reducer 87.
And the input shaft of the speed reducer 87 is connected to the shaft of the motor 91 installed on the frame 82 via the coupling 90.

On the other hand, the first line L of the left and right standing frames 83
_A laterally long frame-shaped guide member 92 is provided on each side, and a bearing 93 is slidably provided in the member 92, and a shaft 94 is rotatably held by the bearings 93 on both the left and right sides. Two
Each sprocket 85 and two sprocket 95 facing each other are fixed, and a chain 96 is spanned between these facing sprockets 85 and 95 to form a chain mechanism for a chain conveyor. Reference numeral 97 is a screw shaft for adjusting the tension of the chain 96.

Further, as shown in FIG. 9 (c), the chain 96 is
Install the guide roller on the chain connecting pin 96a at the required position.
96b is fitted, the cross-sectional shape of the inner chain link 96c is formed in an L shape, and a cross beam 99 is fixed across the horizontal plate portions of the left and right chain links 96c via a seat plate 98. The cross beams 99 are provided at eight predetermined positions on the chain 96, and four cross beams 99 are provided on each cross beam 99.
Arrange the die mounting rollers 100 via the bearings 101,
The lower mold master plate 9 of the mold A can be supported by the rollers 100 of the adjacent two cross beams 99, and the center line of these two cross beams 99 is set.
The gap l between C ₁ and C ₂ (see FIG. 9 (b)) is set on the first line L ₁
Match the spacing of line L ₂ . Further, at the center of the left and right standing frames 83, mold guides 102 for guiding both side edges of the lower mold master plate 9 of the mold A are provided via brackets 103, and as shown in FIG.
Rail 104 supporting the guide roller 96b inside 83
To fix.

Further, as shown in FIG. 10, a positioning pedestal 106 is provided on the vertical frame 83 on the entrance side of the mold A via a bracket 105, and the positioning cylinder 10 is mounted on the pedestal 106.
7, and a positioning claw 108 is fixed to the tip of the piston rod 107a of the cylinder 107. 109 is a guide for the claw 108. That is, if the claw 108 is pushed out, the master plate 9 can be stopped at a predetermined position.
If 8 is pulled in, passage of the master plate 9 can be permitted.

Next, referring to FIG. 11 and FIG.
Explain H. This is to install a pedestal 110 on the floor surface 11, and on each side of the pedestal 110, 5 die mounting rollers.
Position 111 with bearing 112. A pedestal 113 having four columns 113a is provided so as to straddle the pedestal 110, and a mold fixing cylinder 114 is mounted on the pedestal 113 downward, and the die pressing plate 11 is attached to the lower end of the piston rod 114a.
5 is fixed, and four embossing bars 116 are attached to this plate 115.
Project downwards. 117 is a guide member of the plate 115. Further, as shown in FIG. 12, pedestals 118 are provided on both left and right sides of the front edge of the pedestal 110 so as to project forward, and the base of the positioning claw 119 formed in an L shape is received by the pins 120.
Positioning cylinder pivotally supported on the base of 118, and between the bent part of the claw 119 and the bracket 121 protruding from the tip of the pedestal 118.
Connect with 122.

FIG. 13 shows the first extrusion device B,
This is a bracket 124 on a pedestal 123 installed on the floor 11.
The embossing cylinder 125 is horizontally installed via the, and the embossing tool 126 that slides on the roller is connected to the tip of the piston rod rod 125a. A pedestal 127 is provided on the side surface of the beam 39b provided between the columns 39a of the elevated platform 39 of the separating apparatus C adjacent to the first pushing apparatus B.
7 bearings 4 rollers 128 supporting embossing tool 126 on top
It is located via 129.

FIG. 14 shows a set-up stand F, in which the work material 131 is placed on each of the long side members on both sides of the horizontally long base 130 installed on the floor surface 11. A channel-shaped bearing member 132 is provided on each of the 131, and a large number (11 in this embodiment) of die mounting rollers 133 are distributed and rotatably provided on the bearing member 132. A beam 130a is provided on the transfer device E side, and the beam 130a
Bearing support members 134 are provided on both side ends of the shaft, respectively, and a shaft 135 is rotatably supported by bearings 135 provided on the support members 134. A damper mounting base 137 is fixed to the shaft 136, and the base 137 is fixed. Secure the damper 138 to. The damper 138 is normally set at the position shown by the solid line in FIG. 14 (a). However, when the damper 138 and the base 137 are in the way (that is, the mold A on the mold set-up stand F is first transferred). In the case of transferring onto the device E), the base 137 is rotated about the shaft 136 to the position shown by the chain double-dashed line 137 '.

FIG. 15 shows the second extrusion device G.
This is a bracket 140 on a stand 139 installed on the floor 11.
Cylinder 141 for embossing is installed horizontally via the die, and the tip of this piston rod 141a slides on the roller.
It is a concatenation of 142. 143 is the first of the mounts 139
A pedestal projecting on the conveying device E side, 144 is four rollers arranged on the pedestal 143 via bearings 145, and the embossing tool 142 is these rollers 144 and the adjacent first conveying device E. It slides on the roller 100 of.

FIG. 16 shows a damper device I in which a pedestal 146 is installed on the floor 11 and a base 148 is provided on the pedestal 146 via a base frame 147.
A damper 149 is installed on the vertical wall of the 148.

FIG. 17 shows an example of the hydraulic and pneumatic circuits of each of the above-mentioned devices, and the same reference numerals as those used above denote the same elements. In the figure, reference numeral 150 is a traverser motor of the separating device C, which drives the sprocket 22. The main components of this circuit will be described below.

151 is an oil tank, 152 is a strainer, 153 is a vane pump, 154 is a motor, 155 is a check valve, 156 is a throttle valve, 157 is a pilot check valve, 15
8 is a speed reducing valve with check valve, 159 is an electromagnetic switching valve, 160 is an electromagnetically operated brake valve, 161 is a variable throttle valve, 162 is a pressure reducing valve,
163 is a stop valve, 164 is a check valve, and 165 is a direction switching valve.

Next, a die casting method performed by using the die casting apparatus configured as described above will be described. First, a large number of molds A are prepared and placed on the mold setup frame F, and the necessary molds A are placed on the first transfer device E, the second transfer device H, the separation device C, and the reversing device D. Each is fed so that one set of mold A is placed on each device. In this case, the core 3 in the mold A may be left uninserted.

In order to start casting, the upper master plate 8 of the mold A on the separating device C is held by the operation of the cylinder 40 while lowering the platen 42 and by the operation of the cylinder 50 via the claw 48, The cylinder 1 is raised by raising the cylinder 40, and the carriage 14 is moved to the position shown in FIG.
The core 3 is set to the lower mold 2, the carriage 14 is returned, and the platen 42 is lowered again to perform mold matching, and then the upper mold clamp (claw 48) and the lower mold Open both mold clamps (claw 35) and raise platen 42.

Next, the cylinder 125 of the first extrusion device B
The mold A on the separating device C by operating the roller of the reversing device D.
The roller 100 placed on the base 64 and the mold A located in the reversing device D is located on the first line L ₁ of the first transfer device E.
Place on top. In this case, the mold A on the first transfer device E
Is on the roller 100 located on the second line L ₂ .

The mold A placed on the roller 64 of the reversing device D is fixed by operating the cylinder 78 and lowering the mold holding plate 79. A pouring bath (not shown) provided on the split surface of the fixed mold A is poured with a ladle or a ladle. There is a sprue and riser part (not shown) on the split surface of the die A, and the die can be removed so that the molten metal just flows into the spout and riser part according to the reversing operation of the bath in the die below. It is provided in. Therefore, after pouring the molten metal of the amount corresponding to the casting of the product into the bath, the motor 60 is driven to drive the chain 63 through the sprocket 61, chain 62, sprocket 59, shaft 57 and sprocket 56.
6 is rotated 90 degrees clockwise from the state of FIG. 6 (b), it is possible to pour water from the bath into the mold of the mold A.

After the pouring into the mold A is completed, the wheel 52 is reversed by the reverse rotation of the motor 60 to return it to the original position. The waiting time until this reverse rotation is within about 40 seconds. Set up. When the ring body 52 returns to its original position, the mold holding plate 79 is raised by the operation of the cylinder 78, and the mold A
To be able to transfer.

The mold A for which the pouring has been completed is transferred onto the roller 100 located on the first line L ₁ of the first transfer device E by the above-mentioned first extrusion device B. The mold A on the roller 100 is positioned by the damper 138 provided on the mold set-up stand F and the positioning claw 108 provided on the first transfer device E, and then the motor 91 is driven to reduce the speed reducer 87, the sprocket 88, the chain 89, and the like. Sprocket 86, shaft 84, sprocket
The chain 96 of the chain conveyor is driven clockwise through 85 in FIG. 9 (b). Therefore, the mold A located on the first line L ₁ moves by 1 and is located on the second line L ₂ . The mold guide 102 correctly guides the mold A during this transfer.

The mold A placed on the roller 100 on the second line L ₂ is transferred onto the roller 111 of the second transfer device H by the operation of the cylinder 141 of the second extrusion device G,
The positioning is performed by the positioning claw 119, and the mold holding plate 115 is lowered by the operation of the cylinder 114.
The mold A is pressed and fixed by the four mold holding bars 116 protruding from the plate 115.

In the next step, the mold A on the second transfer device H is separated by the action of the second pushing device G as the mold pressing plate 115 is raised and the positioning claw 119 is retracted and released. It is pushed out to the device C side. At this time, the carriage 14 of the separating apparatus C is positioned on the second line L ₂ . Therefore, the mold A is transferred onto the roller 27 on the carriage 14 and stopped at a predetermined position by the damper 149 of the damper device I. At this position, the mold A is fixed to the carriage 14 by the claw 35 by the operation of the cylinder 34, and meshes with the rack 19 via the sprocket 22, chain 23, sprocket 15, and shaft 16 by the rotation of the motor 150 shown in FIG. The rotation of the gear 20 causes the carriage 14 to move through the wheels 15 to the rail 13
The top is moved from the second line L ₂ side to the first line L ₁ side.

Next, the platen 42 of the separating apparatus C is a cylinder.
It moves down by the operation of 40 and presses the mold A, and by the operation of the cylinder 50 on the platen 42, the mold clamp claw.
48 clamps the upper master plate 8. Then, the platen 42 rises, but immediately before that, the push pin 10a integrated with the push plate 10 mounted on the lower die of the mold A is mounted on the carriage 14
By operating the cylinder 29 provided in the upper part, the product (not shown) in the mold is pushed up to the upper mold and the platen 42 is raised. Therefore, the product ascends with the upper mold gripped by the platen 42.

When the platen 42 moves up to a predetermined intermediate position, the carriage 14 moves to the position shown in the chain line diagram 14 'in FIG. Place the core in the mold. When the carriage 14 comes to the 14 'position, the product take-out device 37 is located just below the platen 42. Therefore, when the platen 42 further rises due to the operation of the cylinder 40, the upper die push rod 46 provided on the elevated platform 39 abuts the push plate 10 mounted on the upper die of the mold A, and the push plate 10 is pushed.
The product attached to the upper die is dropped onto the product take-out device 37 through the push-out pin 10a integrated with the product.

When the core has been delivered and the product has been taken out, the carriage 14 moves to a position just below the platen 42, and then the platen 42.
Descends, and the lower mold of the mold A on which the core has been stored on the carriage 14 and the upper mold held by the platen 42 are polymerized to perform mold matching. When the mold matching is completed, the upper and lower mold clamping devices (the claw 48 and the claw 35) are opened, and the platen 42 releases the upper mold and rises to a predetermined intermediate position and stops.

When the platen 42 is raised to a predetermined position, the cylinder 125 of the first pushing device B is actuated to move the mold A on the carriage 14 onto the roller 64 of the reversing device D, and at the same time, the reversing device D is placed. The mold A to the first transfer device E
Transfer to the roller 100 located on the line L ₁ . Then, the cylinder 141 of the second extruding device G is operated to transfer the mold A on the roller 100 located on the second line L ₂ of the first conveying device E to the roller 111 of the second conveying device H. Further, the mold A, which was on the roller 111 of the second transfer device H, is transferred to the roller 27 on the carriage 14 of the separating device C which has moved to the second line L ₂ .

The transfer of the mold A by the first extrusion device B is performed while the platen 42 is being raised. When the mold A moves on the first line L ₁ , the mold A placed on the roller 100 of the first transfer device E is buffered by the damper 138 provided on the mold set-up stand F and is used for positioning. The claw 108 is pushed out by the operation of the cylinder 107 and holds the mold A at a predetermined position on the roller 64.

As shown in FIGS. 7 (a) and 8, the mold A transferred from the separating device C to the reversing device D has a lower mold on the slope 68a of the rod 68 provided on the inlet side of the reversing device D. When the master plate 9 hits and is pushed down against the spring 72, it is transferred from the roller 27 of the separating device C to the roller 64 of the reversing device D, but the trailing edge of the master plate 9 is the rod 68. Once over the ridge, the rod 68 immediately rises due to the action of the spring 72 and bears the trailing edge of the master plate 9 by the step 68b. Therefore, there is no risk of the mold A retracting. Further, the front edge of the master plate 9 is positioned by the positioning claw 119 of the first conveyor E.

Mold A positioned on roller 64
Is fixed by the mold pressing plate 79 that is lowered by the operation of the cylinder 78 provided on the upper part of the wheel 52, and pouring is performed as described above. The mold casting method according to the present invention repeats the above-mentioned operation.

[0047]

According to the present invention, since the reversing device necessary for forming the mold casting device by dividing it into each function is constructed as described above, according to this reversing device, it is sent from the separating device. The mold can be placed in the ring body and fixed, and the poured mold can be reversed and reciprocally driven. Therefore, by arranging each device including this reversing device in a circle through the transport device, it is possible to obtain an excellent effect that it is possible to cast many kinds of products extremely efficiently by using a large number of molds. .

[0048]

[0049]

[Brief description of drawings]

FIG. 1 (a) is a plan view of a mold used in the present invention, and FIG. 1 (b) is a vertical sectional view taken along line I-I thereof.

FIG. 2 is a plan layout view of an apparatus for carrying out the mold casting method according to the present invention.

FIG. 3 is an elevational view of the device on its first line.

FIG. 4 (a) is a front view of the separating device, and FIG. 4 (b) is a side view thereof.

FIG. 5 (a) is a front view of a lower die extrusion device on a trolley of a separating device, and FIG. 5 (b) is a side view thereof.

FIG. 6A is a front view of the reversing device, and FIG. 6B is a side view thereof.

FIG. 7 (a) is a partial detailed view of the reversing device, and FIG.
Is a side view thereof.

FIG. 8A is a plan view of the positioning device, and FIG.
FIG. 3 is an elevational view showing a part of the cross section.

FIG. 9 (a) is a front view of the first transfer device, and FIG.
[Fig. 3] is a side view thereof, and (c) is a detailed view of the chain support portion.

10A is a plan view of a positioning device provided in the first transport device E, and FIG. 10B is an elevation view thereof.

FIG. 11A is a front view showing the second transfer device and each device on the second line, and FIG. 11B is a side view of the second transfer device.

FIG. 12 (a) is a plan view of a positioning device provided in the second transfer device, and FIG. 12 (b) is an elevation view thereof.

FIG. 13 (a) is a plan view of the first extrusion device,
(b) is the elevation view.

FIG. 14 (a) is a front view of the mold set-up stand, and FIG.
Is a side view thereof.

FIG. 15 (a) is a plan view of a second extrusion device,
(b) is the elevation view.

FIG. 16 (a) is a side view of the damper device, and FIG.
FIG.

FIG. 17 is a diagram showing an example of each fluid control circuit of the device used in the present invention.

[Explanation of symbols]

A Mold 1 Upper mold 2 Lower mold 3 Core 8 Upper mold master plate 9 Lower mold master plate 10 Extrusion plate 11 Floor surface L ₁ 1st line L ₂ 2nd line C Separation device 13 Rail 14 Truck 27 For die support Roller 29 Lower extrusion cylinder 30 Lower extrusion plate 31 Lower extrusion pin 34 Lower fixing cylinder 35 Mold clamping claw 40 Mold opening / closing cylinder 42 Platen 46 Upper extrusion rod 48 Mold clamping claw 50 Claw opening / closing Cylinder D Reversing device 52 Wheel 53 Roller 55 Chain guide member 56 Sprocket 63 Chain 64 Die support roller 68 Positioning rod 74 Guide roller 78 Mold holding cylinder 79 Mold holding plate E 1st transfer device 83 Standing frame 84 Chain conveyor drive Axis 85 Sprocket 95 Sprocket 96 Chain 100 Mold placement roller 108 Positioning claw H Second transfer device 111 Mold placement roller 114 type Cylinder for constant use 115 Mold holding plate 116 Mold holding bar 119 Positioning claw B 1st pushing device 125 Cylinder for pushing mold F F setup rack 133 Roll for die mounting 138 Damper G 2nd pushing device 141 Cylinder for pushing mold I Damper Device 149 damper

Claims (1)

[Claims] 1. Two wheel bodies 52 are integrally coupled with each other with an appropriate interval, and the wheel bodies 52 are rotatably supported on a frame 51 by a plurality of rollers 53 and can be reciprocally driven. In addition to disposing a plurality of rollers 64 capable of mounting the mold A in the ring body 52, and providing a mold pressing device capable of fixing the mounted mold A by the cylinder 78 provided in the ring body 52. The inversion device in the characteristic die casting.