JP2018020355A - Forging system of semi-solidified slurry - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a forging system of semi-solidified slurry which can continuously perform the forming according to the forging using semi-solidified slurry as raw material in a short time, also permits mass production of a forged product by virtue of improvement of yield and can be provided with a simple constitution and at a low cost.SOLUTION: A forging system of semi-solidified slurry includes: a heating furnace 11 which heats semi-solidified slurry P so as to get to a prescribed temperature; a turn table 1 made by arranging a press lower mold 2 at every equal angle interval along a circumferential direction so as to supply the semi-solidified slurry P heated by the heating furnace 11 at every one piece; and a driving part Q which rotates and drives the turn table 1 intermittently at a predetermined pitch interval. Further, on a circumferential area of the turn table 1 so as to correspond to the press lower molds 2 arranged at every equal angle interval, a projection area S1 on which a projection mechanism 4 of the semi-solidified slurry P is arranged, a press casting area S3 on which a press casting machine 5 is arranged and a take-out area S5 on which a take-out robot 9 is arranged are provided.SELECTED DRAWING: Figure 1

Description

  The present invention is a semi-solid slurry forging in which, for example, a semi-solid slurry formed into a predetermined shape such as a spherical shape is used as a raw material, and a molded product can be continuously formed by forging in a mold charged after heating. About the system.

  Conventionally, using an upper press die and a lower press die, a metal material such as an aluminum alloy is compressed and deformed in a cavity formed by the upper press die and the lower press die. Die forging is performed to process products of the same shape. In recent years, for example, in the manufacture of automobile parts and the like, in order to reduce the weight of the parts, an aluminum alloy or the like is frequently used as a metal material, and for example, this die forging is used.

  In recent years, as this die forging, there is a molding method using a semi-solid slurry such as a thixocasting method or a rheocasting method. According to these molding methods, there are less shrinkage and segregation compared with conventional casting methods, and the metal structure in the semi-solid slurry is uniform, so the mechanical properties of the molded product are excellent, There are also advantages of cost reduction due to the long life of the mold and the short molding cycle.

  Further, for example, as disclosed in Patent Document 1, a final pressurizing force is ensured in a forging portion having a press lower die and a press upper die using a semi-solid slurry, and the product volume is kept constant. The quality of the product obtained by forging and molding a semi-solid slurry by controlling the positioning of a movable rod having a tip surface that becomes a part of the inner surface of the cavity formed in the lower mold so as to be maintained. A forging device has been proposed.

JP 2005-34851 A

  However, the forging device according to Patent Document 1 is capable of positioning control of the movable rod that becomes a part of the inner surface of the cavity in the forging portion, but each process of feeding and removing the semi-solid slurry by the transport robot Since it is set separately from the forging part, the input process, forging process and take-out process are performed individually for a plurality of semi-solid slurries, resulting in a time loss and no improvement in yield. It will be a thing.

  Accordingly, the present invention has been created in view of the above-described conventional circumstances, and the forming process by forging using a semi-solid slurry as a raw material can be performed continuously in a short time, and at the same time the semi-solid slurry is improved by improving the yield. It is also possible to provide a semi-solid slurry forging system that can be mass-produced and can be provided at a low cost with a simple configuration.

In order to solve the above-described problems, in the present invention, a description will be given with reference numerals in the form for carrying out the invention to be described later. When the semi-solid slurry P is heated to a predetermined temperature, the heating furnace 11 is heated. A turntable 1 in which press lower molds 2 are arranged at equal angular intervals along the circumferential direction so that the semi-solid slurry P heated by the heating furnace 11 is supplied; And a drive unit Q that is intermittently driven to rotate at a pitch interval of, and a semi-solid slurry P feeding mechanism 4 in the circumference area of the turntable 1 to correspond to the press lower die 2 arranged at equal angular intervals. Is provided with a feeding area S1 in which the press casting machine 5 is placed, and a take-out area S5 in which the take-out robot 9 is placed.
The press casting machine 5 has an upper press die 8 on a movable die plate 7 that can be moved up and down in conjunction with the lifting mechanism 6 so that the semi-solid slurry P is formed by the press lower die 2 by press forging with a predetermined pressure. It can be provided.

In the semi-solid slurry forging system according to the present invention configured as described above, the drive unit Q is intermittently rotated at a predetermined equiangular interval to turn the turntable 1 at the input area S1 and press casting. The molding area S3 and the removal area S5 are sequentially shifted.
When the turntable 1 is rotated by the drive unit Q and moved to the press casting molding area S3, the movable die plate 7 is lowered by the lifting mechanism 6 of the press casting machine 5, and the press forging by the press upper die 8 is performed by the heating furnace 11. The heated semi-solid slurry P is molded into a form corresponding to the inner shape of the lower press mold 2.

  Since the present invention is configured as described above, the forging process using the semi-solid slurry P can be performed continuously in a short time, and at the same time, the yield of the semi-solid slurry P can be improved. Mass production is also possible, and a simple configuration can be provided at low cost.

  That is, this is because the present invention provides a heating furnace 11 that heats the semi-solid slurry P to a predetermined temperature, and a semi-solid slurry P heated by the heating furnace 11 one by one in the circumferential direction. A turntable 1 in which a press lower die 2 is arranged at regular angular intervals along the drive table Q and a drive unit Q that intermittently drives the turntable 1 at a predetermined pitch interval, and is arranged at regular angular intervals. In order to correspond to the pressed lower mold 2, in the turntable 1, the feeding area S 1 in which the semi-solid slurry P feeding mechanism 4 is disposed, the press casting molding area S 3 in which the press casting machine 5 is disposed, the take-out robot This is because an extraction area S5 in which 9 is disposed is provided, which makes it easy to forge an inexpensive semi-solid slurry P forging system that enables continuous mass production of semi-solid slurry P forged products. It can be built.

  The press casting machine 5 has an upper press die 8 on a movable die plate 7 that can be moved up and down in conjunction with the lifting mechanism 6 so that the semi-solid slurry P is formed by the press lower die 2 by press forging with a predetermined pressure. Thus, the forging process using the semi-solid slurry P can be performed continuously in a short time in the turntable 1.

  In addition, the code | symbol attached | subjected in each means of the means for solving said subject and the effect of invention was attached | subjected in order to make easy reference with the part which shows each structure part described in drawing. The present invention is not limited to these descriptions, structures, shapes, and the like indicated by reference numerals and the like in the drawings.

It is a perspective view which shows the outline of the forge system of the semi-solid slurry in one form for implementing this invention. The other example of the heating furnace in a forging system is shown, (a) is sectional drawing of the state which conveyed the semi-solid slurry from the heating furnace to the press molding cavity position of a press lower mold | type by the injection mechanism, (b) is a raising / lowering mechanism FIG. 6C is a cross-sectional view of a state immediately before the movable die plate is lowered by FIG. 5C, and FIG. 5C is a cross-sectional view of a state where the semi-solid slurry is press-forged by joining the upper press die and the lower press die. It is sectional drawing which shows the outline of other embodiment of the forge system of the semi-solid slurry based on this invention. FIGS. 4A and 4B are schematic views showing other embodiments of the present invention, and FIGS. 4A and 4B are cross-sectional views showing a state before and after pressing a semi-solid slurry into a press molding cavity of a press lower mold in a sleeve. FIGS. (C) is sectional drawing of the state which spaced apart the press upper type | mold and press lower type | mold after a press. It is sectional drawing which shows the outline of other embodiment of this invention.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment for carrying out the present invention will be described with reference to the drawings. Reference numeral 1 shown in the drawings is a flat disk-like turntable constituting a semi-solid slurry forging system according to the present invention. . As shown in FIG. 1, the turntable 1 has a table rotation center axis C connected to a drive unit Q, and can be horizontally rotated intermittently clockwise in order to form the semi-solid slurry P. Each time the turntable 1 is intermittently rotated, for example, at an angle of 60 ° as one pitch, a charging area S1, an insert area S2, a press casting molding area S3, a cooling area S4, a removal area S5, and a release agent spray area S6 are sequentially provided. It is meant to be migrated.

  That is, the turntable 1 has a total of six lower press dies 2 arranged at intervals of, for example, an angle of 60 ° so that, for example, one piece of semi-solid slurry P is supplied along the circumferential direction. The lower press mold 2 is formed by forming a press molding cavity 3 on the upper surface of a generally rectangular block. Further, a robot arm 4b having a multi-axis joint structure, which will be described later, for dropping the semi-solid slurry P into the press molding cavity 3 of one press lower die 2 is provided above the input area S1 in the turn area of the turntable 1. The charging mechanism 4 is arranged.

  Further, the semi-solid slurry P in the press molding cavity 3 is placed in a predetermined area in the press casting molding area S3 at an angle of 120 ° from the input mechanism 4 to the downstream side in the circulation area of the turntable 1. A press casting machine 5 having a press upper die 8 is disposed on a movable die plate 7 which can be moved up and down in conjunction with the lifting mechanism 6 so as to be formed by press forging under pressure. Further, a take-out robot 9 for taking out the semi-solid slurry P that has been forged is provided in the take-out area S5 at an angle of 120 ° from the position of the press casting machine 5 toward the downstream side in the turn area of the turntable 1. Has been placed.

  The semi-solid slurry P charged into the press molding cavity 3 of the lower press mold 2 by the charging mechanism 4 in this way is compressed with a predetermined pressure by the press upper mold 8 having a flat lower surface of the press casting machine 5. A forged molded product is formed in accordance with the inner shape of the press molding cavity 3. For example, if the operation of rotating 60 ° per second is 1 pitch, the forged molded product of the semi-solid slurry P is continuously formed at a rate of 1 at 2 pitches (2 seconds).

  The semi-solid slurry P is an ingot called a so-called thixo ball. That is, the semi-solid slurry P is, for example, an aluminum alloy, a magnesium alloy, or a zinc alloy that can be melted and electromagnetically stirred to form a refined semi-solid structure. Solidified). The semi-solid slurry P is formed of nuclei that are the basis of a metal structure including a spherical structure with an average sphere diameter of 36 to 58 mm and a uniform and fine primary crystal structure (dendrites) as a whole. Further, it is sufficient that the sphere diameter is 36 mm (minimum value) or less as long as it does not oxidize, but if the sphere diameter is 58 mm or more and too large, the nuclei vary. Therefore, it is preferable that the average sphere diameter R of the semi-solid slurry P is 36 to 58 mm. In addition to making the semi-solid slurry P spherical, for example, a polyhedral structure having substantially the same distance from the center to each surface or a cylindrical shape may be used.

  When the semi-solid slurry P is forged by pressing pressure, prior to this, the semi-solid slurry P is heated in the heating furnace 11 so as to reach a predetermined temperature. In the illustrated example, the heating furnace 11 is formed as a rectangular tube-shaped tunnel structure that is open at the front and rear, and an opening / closing door 12 such as a vertical sliding type or a undulating type is provided on the opening side of the front end. In addition, a heat source 13 such as an electric heater for heating the semi-solid slurry P is attached to the upper part of the interior, and a movable stage 14 on which the semi-solid slurry P is placed and protrudes from the opening of the tip is provided. It has been. As described above, the semi-solid slurry P is heated in the heating furnace 11 by the heat source 13 for a predetermined time. After the heating, the movable stage 14 is moved forward to send the semi-solid slurry P to the outside of the heating furnace 11. As a thing.

  The feeding mechanism 4 has, for example, a chuck portion 4a composed of a pair of clamping pieces driven to open and close by an air cylinder at each tip of the robot arm 4b, and a lifting / rotating mechanism (not shown) at the rear end of the robot arm 4b. ) Are provided. As a result, the semi-solid slurry P held by the chuck portion 4 a is once lifted and then rotated to a position above the press molding cavity 3 and transferred onto the press molding cavity 3. For this reason, the input mechanism 4 includes a robot arm 4b having a multi-axis joint structure, and each arm performs respective operations such as bending and rotation by the shaft joint of the connecting portion, so that the wrist portion is moved to a predetermined range. It can be controlled to make a three-dimensional movement within.

  As described above, the press casting machine 5 includes the upper die 8 on the movable die plate 7 that can move up and down in conjunction with the lifting mechanism 6, and the half that is carried into the press molding cavity 3 of the lower press die 2. The press upper die 8 is lowered with respect to the solidified slurry P, and molding by forging is performed. The press upper die 8 is raised or lowered by, for example, a hydraulic cylinder 6a constituting the elevating mechanism 6, and its stroke is controlled.

  The take-out robot 9 has, for example, a chuck portion 9a composed of a pair of clamping pieces that are opened and closed by an air cylinder at each tip of a robot arm 9b, and a lifting / rotating mechanism (not shown) at the rear end of the robot arm 9b. ) Are provided. Thus, the semi-solid slurry P gripped by the chuck portion 9a is once lifted and then rotated from the position above the press-forming cavity 3 and transferred to a product conveyor (not shown). For this reason, the take-out robot 9 is provided with a robot arm 9b as in the case of the input mechanism 4, and each arm performs respective operations such as bending and rotation by an axial joint of the connecting portion, whereby the wrist portion is predetermined. It is possible to control to make a three-dimensional movement within the range.

  Next, an example of the forming process of the semi-solid slurry P by press forging for the configuration configured as described above will be described. First, the semi-solid slurry P is heated to a predetermined temperature before the semi-solid slurry P is press-forged. It heats with the heat source 13 of the heating furnace 11 so that it may become. The semi-solid slurry P is gripped by the chuck portion 4a of the feeding mechanism 4 by the robot arm 4b having a multi-axis joint structure, and once lifted, then rotated to the upper position of the press molding cavity 3 (the feeding area S1 to the press lower mold 2). Then, it is transferred onto the cavity 3 for press molding. After the transfer, the chuck portion 4a of the feeding mechanism 4 is rotated from the upper position of the press molding cavity 3 and retracted.

  The drive unit Q rotates the turntable 1 by one pitch (angle 60 °) and moves to the insert area S2.

  Further, the drive unit Q further rotates the turntable 1 by one pitch (angle 60 °) and moves to the press casting area S3. Here, the movable die plate 7 is lowered by the elevating mechanism 6 (hydraulic cylinder 6 a) of the press casting machine 5, and the semi-solid slurry P in the press forming cavity 3 is formed by press forging by the press upper die 8. After the molding, the movable die plate 7 is raised and retracted to the position above the press molding cavity 3.

  After the movable die plate 7 is lifted and retracted, the drive table Q further rotates the turntable 1 by one pitch (angle 60 °) and moves to the cooling area S4.

  After moving to the cooling area S4, the drive unit Q further rotates the turntable 1 by one pitch (angle 60 °) and moves to the extraction area S5. Here, the take-out robot 9 grips the semi-solid slurry P at the chuck portion, lifts it once, rotates it from the position above the press-forming cavity 3, and transfers it to a product conveyor (not shown).

  After the semi-solid slurry P is transferred onto the product conveyor by the take-out robot 9, the drive unit Q further rotates the pitch table 1 by 1 pitch (angle 60 °) and moves to the release agent spray area S6. Here, a release agent is applied to the empty press molding cavity 3. Thereafter, the turntable 1 is further rotated by one pitch (angle 60 °) by the drive unit Q and moved to the original input area S1, and thereafter the above-described steps are repeated.

  FIG. 2 shows another example of the heating furnace 11. The heating furnace 11 shown in FIG. 2 is replaced with the robot arm 4b having the multi-axis joint structure, and the lower mold of the press is formed from below the inside. 2 is provided with a feeding mechanism 4 by a transporting device 15 such as a transporting roller or a transporting conveyor in which a number of rollers capable of moving forward to the position of the press molding cavity 3 are provided adjacent to each other. As shown in FIG. 2A, after the semi-solid slurry P is sent out from the front end opening of the heating furnace 11 by the transport device 15, it is further transported to the position of the press molding cavity 3 of the lower press mold 2. Thereafter, as shown in FIG. 2 (b), the movable die plate 7 is lowered by the elevating mechanism 6 at the same time as it is retracted backward from the position of the press forming cavity 3. As shown in FIG. 2 (c), the movable die plate 7 is further lowered by the elevating mechanism 6, and the semi-solid slurry P is put into the press molding cavity 3 by joining the press upper die 8 and the press lower die 2. In this way, the semi-solid slurry P is formed by forging.

  3 and 4 show another embodiment of the semi-solid slurry forging system according to the present invention. The press casting machine 5 includes a press die 8 of the movable die plate 7 and a press table of the turntable 1. The movable die plate 7 can be moved up and down in conjunction with the lifting mechanism 6 so that the mold 2 is joined to each other. The semi-solid slurry P is transferred from above the movable die plate 7 to below the press upper die 8 and transferred onto the press molding cavity 3 formed at the center of the upper surface of the press lower die 2. It has become.

  That is, a sleeve 21 is fitted in the center of the movable die plate 7, and the lower end opening side of the sleeve 21 is exposed to the lower surface of the press upper die 8 through the nozzle 22. A plunger rod 24 having a plunger tip 23 at the tip is inserted into the sleeve 21, and an insertion opening 25 is formed on one side of the upper end of the sleeve 21 exposed above the movable die plate 7. Then, the semi-solid slurry P that has been transferred from the insertion opening 25 into the sleeve 21 and dropped is forged by pressing toward the press molding cavity 3 of the lower press mold 2 by the plunger tip 23. Yes.

  The heating furnace 11 is provided with a heat source 13 such as an electric heater for heating the semi-solid slurry P in the upper part of the inside, and a number of rollers are provided adjacently from the lower part of the inside to the outer position of the movable die plate 7. A transport device 15 is provided.

  Between the insertion opening 25 and the tip of the transport device 15, there is provided a flat disk-shaped transfer rotary plate 26 that is rotatable about the central rotation axis D, and the transfer rotary plate 26. A pushing plunger 27 for transferring the semi-solid slurry P from the insertion opening 25 into the sleeve 21 is provided at the upper center of the. The transport device 15 and the transfer rotary plate 26 function as the input mechanism 4 of the present embodiment.

  As shown in FIG. 3, in the state where the press upper die 8 of the movable die plate 7 of the press casting machine 5 and the press lower die 2 of the turntable 1 are joined to each other, the semi-solid slurry P is transferred from the transport device 15. When the transfer rotating plate 26 is transferred to one corner of the transfer rotating plate 26, the transfer rotating plate 26 is rotated by an angle of 180 ° about the central rotation axis D, and the semi-solid slurry P is positioned in front of the insertion opening 25. Is done. Then, the semi-solid slurry P is transferred from the insertion opening 25 into the sleeve 21 by the pushing plunger 27, and the semi-solid slurry P is moved to the position of the nozzle 22 at the lower end of the sleeve 21, that is, the position directly above the press lower die 2 of the turntable 1. Falls.

  As shown in FIGS. 4 (a) and 4 (b), the semi-solid slurry P that has dropped the plunger rod 24 in the sleeve 21 and dropped to the position directly above the lower press die 2 in the nozzle 22 Forging is performed by pressing the plunger chip 23 toward the press molding cavity 3 of the lower press mold 2.

  After the pressing, as shown in FIG. 4C, the movable die plate 7 of the press casting machine 5 is raised to separate the upper press mold 8 and the lower press mold 2 from each other. Then, the semi-solid slurry P after forging is taken out from the press-forming cavity 3 of the lower press mold 2 by the take-out robot 9 and transferred to a product conveyor (not shown).

  FIG. 5 shows still another embodiment of the semi-solid slurry forging system according to the present invention. In this embodiment, a lower press mold 2 having a press molding cavity 3 is provided on the lower surface of the turntable 1. The semi-solid slurry P is injected by the press casting machine 5 from below the turntable 1 toward the press molding cavity 3 of the press upper die 8. In other words, in the present embodiment, the turntable 1 having the press lower mold 2 and the movable die plate 7 having the press upper mold 8 shown in FIG. The heating furnace 11 and the transfer rotary plate 26 are the same as those described above except that they are arranged on the lower side of the movable die plate 7, and thus detailed description thereof is omitted.

P ... Semi-solid slurry Q ... Drive section C ... Table rotation center axis D ... Center rotation axis S1 ... Input area S2 ... Insert area S3 ... Press casting area S4 ... Cooling area S5 ... Extraction area S6 ... Release agent spray area 1 ... turntable 2 ... press lower mold 3 ... press molding cavity 4 ... dosing mechanism 4a ... chuck part 4b ... robot arm 5 ... press casting machine 6 ... lifting mechanism 6a ... hydraulic cylinder 7 ... movable die plate 8 ... press upper mold 9 ... take-out robot 9a ... chuck part 9b ... robot arm 11 ... heating furnace 12 ... open / close door 13 ... heat source 14 ... movable stage 15 ... transfer device 21 ... sleeve 22 ... nozzle 23 ... plunger tip 24 ... plunger rod 25 ... for insertion Opening 26 ... Transfer plate 27 ... Pushing plunger

In recent years, as this die forging, there is a molding method using a semi-solid slurry such as a thixocasting method or a rheocasting method. These molding methods have less shrinkage and segregation than conventional forging methods, and the metal structure in the semi-solid slurry is uniform, so the mechanical properties of the molded product are excellent, There are also advantages of cost reduction due to the long life of the mold and the short molding cycle.

In order to solve the above-mentioned problems, in the present invention, when used in the form for carrying out the invention, which will be described later, will be described with reference to a metal structure including a uniform and fine primary crystal structure. A heating furnace 11 that heats the semi-solid slurry P that has been formed and solidified into a spherical shape by the core to a predetermined temperature, and a circumferential direction so that the semi-solid slurry P heated by the heating furnace 11 is supplied. A turntable 1 in which a lower press die 2 is arranged at equal angular intervals and a drive unit Q that intermittently drives the turntable 1 at a predetermined pitch interval are arranged at equal angular intervals. the circumferential area of the turntable 1 so as to correspond to the lower press mold 2, semi-solid slurry P of the input mechanism 4 is turned area S1, arranged, pre scan forging machine 5 pre scan forging area and S3 arranged, robots Characterized by comprising providing a take-out area S5, it was placed.
The pre-scan forging machine 5 is movable die plate 7 a semi-solid slurry P of the heated spheres in conjunction with the elevating mechanism 6 to be molded by the press lower mold 2 with the press forging with a predetermined pressure is as vertically movable A press upper die 8 can be provided.

In the forging system semi-solidified slurry of the present invention configured as described above, the drive unit Q is turned area S1 · Pre scan the turntable 1 every time the pitch rotating at intermittently predetermined equal angular intervals The forging area S3 and the removal area S5 are sequentially shifted.
When the drive unit Q turntable 1 is moved to the pre-scan forging area S3, rotated, by the elevating mechanism 6 of the pre-scan forging machine 5 lowers the movable die plate 7, a press forging with a press upper die 8, a heating furnace The semi-solid slurry P heated by 11 is formed into a form corresponding to the inner shape of the lower press mold 2 and molded.

That is, this is because the present invention provides a heating furnace 11 that heats the semi-solid slurry P to a predetermined temperature, and a semi-solid slurry P heated by the heating furnace 11 one by one in the circumferential direction. A turntable 1 in which a press lower die 2 is arranged at regular angular intervals along the drive table Q and a drive unit Q that intermittently drives the turntable 1 at a predetermined pitch interval, and is arranged at regular angular intervals. been wherein the circumferential region of the turntable 1 so as to correspond to the lower press mold 2, semi-solid slurry P of the input mechanism 4 is turned area S1, arranged, pre scan forging machine 5 pre scan forging area S3, was placed, This is because the take-out area S5 in which the take-out robot 9 is arranged is provided, and thus an inexpensive forging system for the semi-solid slurry P that enables continuous mass production of the forged molded product of the semi-solid slurry P is facilitated. It can be built.

The pre-scan forging machine 5, the semi-solidified slurry P a predetermined movable die plate 7 in the press upper mold comprising a vertically movable in association with the lifting mechanism 6 to be molded by the press lower mold 2 with the press forging by pressure 8 Therefore, the forging process using the semi-solid slurry P as a raw material can be continuously performed in a short time in the circumferential region of the turntable 1.

DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment for carrying out the present invention will be described with reference to the drawings. Reference numeral 1 shown in the drawings is a flat disk-like turntable constituting a semi-solid slurry forging system according to the present invention. . As shown in FIG. 1, the turntable 1 has a table rotation center axis C connected to a drive unit Q, and can be horizontally rotated intermittently clockwise in order to form the semi-solid slurry P. , charged area S1 to the respective turntable 1 to rotate, for example, angle of 60 ° as intermittently by one pitch, the insert area S2, the pre-scan forging area S3, cooling area S4, take-out area S5, a release agent spraying area S6 It is assumed that it will shift sequentially.

In still circulating zone of the turntable 1, the pre-scan forging area S3 at an angle 120 ° position toward the downstream side from the position of the dosing mechanism 4, a predetermined semi-solidified slurry P in press molding cavity 3 pre scan forging machine 5 is arranged to the movable die plate 7 made as a vertically movable in association with the lifting mechanism 6 to be formed with a press upper die 8 by press forging in pressure. In still circulating zone of the turntable 1, the pre-scan forging machine 5 is in the take-out area S5 is angular 120 ° position toward the downstream side from the position of, forging is robots 9 for taking out a semi-solid slurry P was Is arranged.

Thus the input mechanism 4 be compressed by a predetermined pressure by the press upper die 8 having, for example, flat lower surface of the semi-solidified slurry P pre scan forging machine 5 that is put in press-molding cavity 3 of the press lower mold 2 Thus, a forged molded product is formed in accordance with the inner shape of the press molding cavity 3. For example, if the operation of rotating 60 ° per second is 1 pitch, the forged molded product of the semi-solid slurry P is continuously formed at a rate of 1 at 2 pitches (2 seconds).

Pre scan forging machine 5, in conjunction with the lifting mechanism 6 as described above with a press upper die 8 to the movable die plate 7 made as a vertically movable, carried into the press lower die 2 of the press molding cavity 3 The press upper die 8 is lowered with respect to the semi-solid slurry P, and molding by forging is performed. The press upper die 8 is raised or lowered by, for example, a hydraulic cylinder 6a constituting the elevating mechanism 6, and its stroke is controlled.

Furthermore, the turntable 1 by a driving unit Q is rotated by further one pitch (angle 60 °) to move to the pre-scan forging area S3. Here, by the elevating mechanism 6 of the pre-scan forging machine 5 (hydraulic cylinder 6a) to lower the movable die plate 7, forming a semi-solid slurry P in press molding cavity 3 by press forging with a press upper die 8. After the molding, the movable die plate 7 is raised and retracted to the position above the press molding cavity 3.

Figures 3 and 4 shows another embodiment of the forging system semi-solidified slurry of the present invention, the pre-scan forging machine 5, the press of the press upper die 8 and the turntable 1 of the movable die plate 7 The movable die plate 7 can be moved up and down in conjunction with the elevating mechanism 6 so that the lower mold 2 is joined to each other. The semi-solid slurry P is transferred from above the movable die plate 7 to below the press upper die 8 and transferred onto the press molding cavity 3 formed at the center of the upper surface of the press lower die 2. It has become.

As shown in FIG. 3, in a state where the pre-scan forging machine press lower die 2 of the press upper die 8 and the turntable 1 of the movable die plate 7 in 5 are joined together, semi-solid slurry P is conveyed device 15 Is transferred to one corner of the transfer rotary plate 26, the transfer rotary plate 26 is rotated by an angle of 180 ° about the central rotation axis D, and the semi-solid slurry P is placed in front of the insertion opening 25. Positioned. Then, the semi-solid slurry P is transferred from the insertion opening 25 into the sleeve 21 by the pushing plunger 27, and the semi-solid slurry P is moved to the position of the nozzle 22 at the lower end of the sleeve 21, that is, the position directly above the press lower die 2 of the turntable 1. Falls.

After pressing, as shown in FIG. 4 (c), it raises the movable die plate 7 in the pre-scan forging machine 5 to separate the press upper die 8 and the press lower mold 2. Then, the semi-solid slurry P after forging is taken out from the press-forming cavity 3 of the lower press mold 2 by the take-out robot 9 and transferred to a product conveyor (not shown).

FIG. 5 shows still another embodiment of the semi-solid slurry forging system according to the present invention. In this embodiment, a lower press mold 2 having a press molding cavity 3 is provided on the lower surface of the turntable 1. is, semi-solid slurry P is adapted to that emitted toward the press molding cavity 3 of the press upper die 8 from the lower side of the turntable 1 by the pre-scan forging machine 5. In other words, in the present embodiment, the turntable 1 having the press lower mold 2 and the movable die plate 7 having the press upper mold 8 shown in FIG. The heating furnace 11 and the transfer rotary plate 26 are the same as those described above except that they are arranged on the lower side of the movable die plate 7, and thus detailed description thereof is omitted.

P ... semi-solid slurry Q ... driver C ... table rotation center axis D ... central rotation axis S1 ... turned area S2 ... insert area S3 ... Pre scan forging area S4 ... cooling area S5 ... take-out area S6 ... releasing agent spray area 1 ... turntable 2 ... press lower mold 3 ... press molding cavity 4 ... shooting mechanism 4a ... chuck portion 4b ... robot arm 5 ... pre scan forging machine 6 ... lifting mechanism 6a ... hydraulic cylinder 7 ... movable die plate 8 ... on the press Mold 9 ... Take-out robot 9a ... Chuck part 9b ... Robot arm 11 ... Heating furnace 12 ... Opening / closing door 13 ... Heat source 14 ... Movable stage 15 ... Conveying device 21 ... Sleeve 22 ... Nozzle 23 ... Plunger tip 24 ... Plunger rod 25 ... Insertion opening 26 ... Transfer rotary plate 27 ... Pushing plunger

Claims (2)

  A heating furnace that heats the semi-solid slurry to a predetermined temperature, and a turn in which a lower press die is arranged at equal angular intervals along the circumferential direction so that the semi-solid slurry heated by the heating furnace is supplied. A table and a drive unit that intermittently drives the turntable at a predetermined pitch interval, and the turntable has a semicircular area in a semicircular area to correspond to the lower press die arranged at equal angular intervals. A semi-solid slurry forging system comprising an injection area in which a solidification slurry injection mechanism is arranged, a press casting molding area in which a press casting machine is arranged, and an extraction area in which an extraction robot is arranged.   2. The press casting machine includes an upper press die on a movable die plate that can move up and down in conjunction with a lifting mechanism so that a semi-solid slurry is formed by a press lower die by press forging at a predetermined pressure. Semi-solid slurry forging system.

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