Extrusion-forging mechanism arranged on movable seat of multi-type die-casting machine

Abstract

The invention relates to an extrusion-forging mechanism arranged on a movable die of a multi-type die casting machine, which has a movable die plate, the upper and lower parts of the movable die plate are slidably arranged on a pull rod of the die casting machine, a center of the movable die plate is provided with an extrusion-forging hole, an extrusion-forging ram is arranged in the extrusion-forging hole, the extrusion-forging ram is provided with an ejection through hole, a power source is arranged at a tail of the movable die plate and faces the extrusion-forging hole; two sets of symmetrical driving mechanisms are arranged in an internal area between the movable die plate and the power source, the driving mechanisms are driven by the power source and act on the extrusion-forging ram; an ejection mechanism is further arranged, which slides and extends under the output power of the power source along the through hole in the extrusion-forging ram; the extrusion-forging mechanism improves the traditional die casting machine into a casting / forging combined die casting machine, which well avoids the defects of ordinary die casting machine products, such as shrinkage and air hole, saves materials and improves the yield.

Description

Technical Field

[0001] This invention relates to the field of mechanical equipment technology for forming molds that use five-hinged hyperboloid ribs to achieve opening and closing, and in particular to an extrusion forging mechanism configured on a multi-type die-casting motorized mold base. Background Technology

[0002] Traditional horizontal cold / hot chamber die casting machines, some vertical die casting machines, MIM powder injection molding machines, and even injection molding machines are composed of a base, an opening and closing mold mechanism, an injection mechanism, a workpiece ejection mechanism, a mold adjustment mechanism, a lubrication system, a hydraulic system, and an electrical control system. What they have in common is that their opening and closing mold mechanism is a five-hinged double-curved rib mechanism. Taking a die-casting machine as an example, in its opening and closing mechanism, casting ejection mechanism, and mold adjustment mechanism, the tail plate, moving mold seat plate, and fixed mold seat plate are assembled into a whole by tie rods (gateposts); the fixed mold seat plate is fixedly connected to the tie rods (gateposts) by tie rod nuts and tie rod pressure plates; the two sets of corresponding hinge point holes on the five-hinged hyperboloid rib assembly of the opening and closing mold (mold) are respectively hinged to the corresponding positions of the tail plate and moving mold seat plate; the third set of hinge points on the five-hinged hyperboloid rib assembly of the opening and closing mold (mold) is hinged to the corresponding position of the closing power slider; the closing power slider and the piston rod head of the opening and closing mold (mold) hydraulic cylinder fixed on the tail plate are fixedly connected as a whole; the tail plate is positioned in a suitable position by the adjusting mold (mold) large gear driven by the adjusting mold (mold) hydraulic motor, and locked by the adjusting nut pressure plate and adjusting nut. Thus, the power provided by the opening and closing mold (mold) hydraulic cylinder is transmitted through the opening and closing mold (mold)... The enlarged five-hinged hyperboloid rib assembly pushes the moving mold base plate in a reciprocating motion (sliding on the machine base via the sliding foot of the moving mold base plate) to complete the mold opening / closing task; the ejection hydraulic cylinder is fixedly connected to the moving mold base plate and completes the ejection task in the mold-open state. The die-casting machine with the above structure has strong technical advantages and is now widely used in the mechanical manufacturing industry; however, in the die-casting production process, it can only use the injection mechanism for feeding, and its nominal pressure is limited and the pressure application point is not in a reasonable position, which does not fully meet the feeding pressure requirements of squeeze casting. The produced workpieces generally have defects such as porosity and shrinkage, and it is powerless for products with strict airtightness requirements and good structural density consistency. Summary of the Invention

[0003] The purpose of this invention is to address the above-mentioned issues by providing an extrusion forging mechanism configured on a multi-type die-casting machine. This extrusion forging mechanism upgrades the traditional die-casting machine into a continuous casting / forging die-casting machine, effectively avoiding the defects and shortcomings of ordinary die-casting machine products such as shrinkage and porosity, saving materials, and improving the yield rate.

[0004] The specific solution of the present invention is as follows: an extrusion forging mechanism configured on a multi-type die-casting machine moving mold base, comprising a moving mold base plate, the upper and lower parts of which are slidably mounted on the die-casting machine tie rod; two sets of symmetrically arranged hinged arms are provided on the non-mold surface of the moving mold base plate, and hinged holes are provided perpendicularly to the hinged arms; an extrusion forging hole is provided at the center of the moving mold base plate, and an extrusion forging head is inserted through the extrusion forging hole; an ejection through hole is provided in the extrusion forging head; a power source is provided on one side of the non-mold surface of the moving mold base plate, and the power source is arranged facing the extrusion forging hole; two sets of symmetrically arranged drive mechanisms are provided in the internal region between the moving mold base plate and the power source, and the drive mechanisms output power from the power source to act on the extrusion forging head; an ejection mechanism is also provided, which slides and extends along the ejection through hole in the extrusion forging head or the ejection through hole in the moving mold base plate under the output power of the power source.

[0005] Furthermore, the forging head described in this invention includes a straight forging head and a tailstock. The straight forging head is equivalent to a force transmission column. The straight forging head is placed in the forging hole and slides and extends along the forging hole. The tailstock has symmetrically arranged hinged lugs on both sides, and the hinged lugs are hinged to the hinge fulcrum provided on the corresponding side of the drive mechanism.

[0006] The extrusion forging head is composed of a direct extrusion forging head and a tailstock. The direct extrusion forging head is equivalent to a force transmission column. The two can be connected as one unit or set as a whole. The direct extrusion forging head passes through the moving die plate and is connected to the relevant part on the die. The direct extrusion forging head can also serve as a guide column. The direct extrusion forging head is provided with an ejection through hole. There is no less than one direct extrusion forging head. The moving base plate is also provided with ejection through holes corresponding to other ejector rods. All ejector rods are fixed (optionally) connected to the extrusion forging power block, passing through the extrusion forging head or directly through the moving base plate to connect (touch) with the associated parts on the mold.

[0007] Furthermore, the power source described in this invention is a hydraulic cylinder, which is connected to the tail of the moving base plate via a support seat. The output end of the hydraulic cylinder is connected to an extrusion power block, and the ejection mechanism is connected to the extrusion power block. Two sets of drive mechanisms are symmetrically arranged on both sides of the extrusion power block, and each set of drive mechanisms is simultaneously hinged to the extrusion power block, the moving base plate, and the extrusion head.

[0008] Furthermore, the driving mechanism of the present invention includes a triangular hinge connecting body, a first connecting rod, and a second connecting rod. One apex of the triangular hinge connecting body is hinged to the tail of the moving base plate, and the other two apexes of the triangular hinge connecting body are respectively hinged to one end of the first connecting rod and one end of the second connecting rod. The other end of the first connecting rod is hinged to the rear side of the extrusion power block, and the other end of the second connecting rod is hinged to the tail of the extrusion press head.

[0009] Furthermore, the ejection mechanism described in this invention consists of at least one ejection rod, one end of which is connected to the power source, and the other end of which is slidably inserted into the corresponding ejection through hole.

[0010] Furthermore, in this invention, guide sleeves are provided on the upper and lower side walls of the extrusion hole, and the direct extrusion forging head slides in contact with the guide sleeves.

[0011] Furthermore, in this invention, the forging head and the forging power block are fixedly connected by a locking head.

[0012] Furthermore, the moving seat plate described in this invention is composed of a front plate and a tail frame, the forging hole is located at the center of the front plate, the tail frame is connected to the rear side of the front plate, and the power source is connected to the tail frame.

[0013] The present invention has the following beneficial effects: 1. For ordinary die-cast products, eliminating defects such as shrinkage porosity and air bubbles makes up for shortcomings, which can partially save materials and improve the yield rate.

[0014] 2. The application of extrusion / forging continuous processing can improve the density and strength of products, and even change their material microstructure, replacing heat treatment processes. It has an immediate effect on products with high requirements for air tightness and lightweighting, eliminating processes such as air testing and impregnation, greatly improving yield, reducing energy consumption, saving materials and reducing manufacturing costs.

[0015] 3. The working period of the extrusion / forging mechanism of the present invention is carried out simultaneously with the pressure boosting and feeding of the traditional process, so it will not prolong the production cycle. Furthermore, its extrusion / forging function accelerates the solidification of the product and strengthens the product strength in the mold cavity, thereby achieving rapid demolding and further improving production efficiency.

[0016] 4. The transformation cost of this invention is extremely low, the cost performance is extremely high, and it has the potential to completely replace traditional die-casting machines.

[0017] 5. The drive mechanism designed in this invention adopts the form of extrusion forging curved rib assembly, i.e., linkage drive, which can form a force amplification effect and achieve better extrusion forging and die casting effect. Attached Figure Description

[0018] Figure 1 This is a top-view cross-sectional structural diagram of the present invention (the upper half of the diagram shows the starting position during mold locking, and the lower half shows the ending position after mold opening and ejection). Figure 2 This is a schematic diagram of the drive mechanism in this invention; Figure 3 This is a schematic diagram of the extrusion forging mechanism in the initial position of the present invention (only half of the structure is shown, while the other half is running synchronously). Figure 4 This is a schematic diagram of the extrusion forging mechanism in this invention moving forward to a set position to complete the extrusion forging work (only half of the structure is shown, the other half is running synchronously). Figure 5 This is a schematic diagram of the state of the ejector rod in the extrusion forging mechanism of the present invention when it reaches the set ejection position (only half of the structure is shown, the other half is running synchronously). Figure 6 yes Figure 2 A simplified diagram of the organization.

[0019] In the figure: 1—pull rod, 2—hydraulic cylinder, 3—support seat, 4—forging power block, 5—locking pressure head, 6—drive mechanism, 7—forging pressure head, 8—guide sleeve, 9—moving seat plate, 10—ejector rod, 11—first connecting rod, 12—triangular hinge connecting hole connector, 13—second connecting rod, 14—hinge connecting ear plate, 15—tailstock, 16—direct extrusion forging head. Detailed Implementation

[0020] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0021] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," and "outer," etc., which indicate orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of this invention is usually placed when in use. They are only for the convenience of describing this invention or simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0022] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0023] See Figure 1 , Figure 2This invention relates to an extrusion forging mechanism configured on a moving die-casting machine's moving die plate 9. The upper and lower parts of the moving die plate are slidably mounted on a die-casting machine tie rod 1. An extrusion forging hole is provided at the center of the moving die plate, through which an extrusion forging head 7 is inserted. The extrusion forging head has an ejection through hole. A power source is located on the non-die-mounting surface of the moving die plate, facing rearward, and is arranged opposite the extrusion forging hole along a coaxial direction. Two symmetrically arranged drive mechanisms 6 are provided in the internal region between the moving die plate and the power source. These drive mechanisms output power from the power source to the extrusion forging head. Furthermore, the driving mechanism of the present invention includes a triangular hinge connecting body 12, a first connecting rod 11, and a second connecting rod 13. One apex of the triangular hinge connecting body is hinged to the tail of the moving base plate, and the other two apexes are respectively hinged to one end of the first and second connecting rods. The other end of the first connecting rod is hinged to the rear side of the extrusion power block, and the other end of the second connecting rod is hinged to the tail of the extrusion head. An ejection mechanism is also provided, which, under the output power of the power source, travels along the ejection through hole in the extrusion head or... The ejection through hole in the moving base plate slides and extends. Furthermore, the ejection mechanism in this invention consists of at least one ejection rod 10. One end of each ejection rod is connected to the forging power block at the front end of the power source, and the other end of the ejection rod slides through the corresponding ejection through hole. Furthermore, the power source in this invention is a hydraulic cylinder 2, which is connected to the tail of the moving base plate via a support 3. The output end of the hydraulic cylinder is connected to a forging power block 4, and the ejection mechanism is connected to the forging power block. Two sets of drive mechanisms are symmetrically arranged on both sides of the forging power block. The drive mechanism is simultaneously hinged to the forging power block, the moving base plate, and the forging head. Furthermore, in this embodiment, the forging head includes a straight forging head 16 and a tailstock 15. The straight forging head is placed in the forging hole and slides and extends along the forging hole. Symmetrically arranged hinged lugs 14 are provided on both sides of the tailstock, and the hinged lugs are hinged to hinge points on the corresponding drive mechanism. Further, in this embodiment, the moving base plate is composed of a front plate and a tailstock. The forging hole is located at the center of the front plate, the tailstock is connected to the rear side of the front plate, and the power source is connected to the tailstock.

[0024] Furthermore, in this embodiment, guide sleeves 8 are provided on the upper and lower side walls of the extrusion hole. The extrusion head slides in contact with the guide sleeves. The guide sleeves are mainly to prevent long-term wear of the extrusion hole and the extrusion head. After the guide sleeves are installed, the extrusion head and guide sleeves can be replaced even if they are worn.

[0025] Furthermore, in this embodiment, the forging head and the forging power block are fixedly connected by the locking head 5.

[0026] The above describes the basic structural features of the present invention. The original simple moving mold base plate and ejection mechanism are eliminated from the traditional die casting machine, and a modified moving mold base plate with the extrusion / forging mechanism of the present invention is added to replace them, and combined with other systems to form a new extrusion / forging die casting machine.

[0027] When the extrusion / forging die casting machine is in the mold-closed state, after the material loading is completed and the injection and rapid injection mechanisms quickly fill the mold cavity, and when the resistance increases sharply during the injection stroke, the control system activates the booster accumulator to perform pressure boosting and compensation. Simultaneously or at a later, pre-set time, the drive mechanism and hydraulic cylinder provide power to move the extrusion forging head. The drive mechanism (which forms a curved rib assembly with connecting rods) amplifies the thrust by a set factor, driving the extrusion forging head and the corresponding mechanism on the mold to complete the extrusion / forging task of the workpiece in the mold cavity. After the extrusion / forging task is completed and the mold is open, the extrusion forging head continues to move forward and pushes the ejector rod to eject the workpiece. Finally, the entire machine returns to the mold-closed state, the extrusion / forging mechanism retracts to the starting position, and the process begins the next step.

[0028] like Figure 2 , 3 As shown in Figures 4, 5, and 6, the actual structural components of the drive mechanism are simplified to their corresponding connecting rods L1 to L4 (see Figures 4, 5, and 6). Figure 6 ( ), to facilitate the explanation of its movement process.

[0029] The simplified linkage design facilitates analysis and pressure ratio calculation; the ends of the linkages are connected to each other via hinges as shown in the diagram. Figure 3 , 4 As shown in Figure 5, the extrusion / forging drive mechanism is formed by hinges of components corresponding to L1 to L4 in the actual structural parts. To meet the requirements of bearing the increased pressure, each component has at least one hinge. Furthermore, to achieve a balance between motion and bearing the increased pressure, it is implemented by two sets of identical, symmetrically arranged components. To effectively utilize space and maximize the increased pressure, the aforementioned drive mechanism is arranged perpendicularly to the opening and closing (mold) curved rib assembly in a traditional die-casting machine.

[0030] like Figure 1 , 3 As shown, the opening / closing hydraulic cylinder pushes the opening / closing curved rib assembly and the modified moving base plate forward, locking the mold together with the fixed template; simultaneously, the hydraulic cylinder in the power source pulls the drive mechanism and related components to move in the opposite direction, returning to their original positions. Figure 3The starting point is shown. The feeding and injection systems in the extrusion die casting machine (including the rapid injection accumulator and the booster accumulator assembly, etc., all borrow from the corresponding systems of the traditional die casting machine - not shown in the figure) press the liquid alloy into the mold cavity to fill and shape it according to the set method. When the filling is about to end, the liquid alloy is in the process of solidification. At this time, the resistance of the injection punch increases and the filling is slowed down or stopped.

[0031] At this time, SD is negative—that is, the bearing surface of the forging head is lower than the mold mounting surface of the modified moving mold base plate, which facilitates mold assembly; the ejector rod is in the set position.

[0032] When the aforementioned resistance is fed back to the control system, the booster and shrinkage accumulator starts working. Through the injection punch (which shares the traditional die casting machine—not shown in the figure), it generates booster pressure and applies it to the workpiece in the mold cavity to achieve the shrinkage compensation effect. However, since the gate is mostly located below the mold mating surface, and because the injection force is perpendicular to the mold mating surface and is hindered by the narrow gate, and because the alloy liquid has already begun to solidify, the actual range of action is very small and the shrinkage compensation effect is minimal.

[0033] The extrusion / forging mechanism of this invention begins operation simultaneously with or shortly after the pressurized accumulator is activated (depending on the solidification temperature and material properties). For example... Figure 4 As shown, the hydraulic cylinder, the power source, pushes the extrusion forging power block to slide, and the huge pressure generated by the force-increasing component composed of the triangular hinge connecting hole in the drive mechanism, the first connecting rod, and the second connecting rod is applied to the extrusion forging head and moves forward to the set stroke SD; the forming part in the mold cavity is extruded / forged through the corresponding mechanism on the mold and the quantitatively set storage material. Since this extrusion / forging force can be directly applied to the set position, or even to the entire projection surface of the forming part on the mating surface, and the extrusion / forging force is in the same direction as the compression, it has obvious effects in eliminating porosity and shrinkage, especially near the dead point position, when its "infinite" pressure reaches 300MPa (as assumed by the ferrous metal forging specification) or above, it can be used to forge the part in the mold cavity locally or even completely to obtain a dense and uniform microstructure, and even change its microstructure to achieve the goal of dendrite spheroidization, thereby obtaining the strength that can only be achieved through heat treatment.

[0034] like Figure 1 and Figure 5 As shown, the ejector rod, which is integrated with the extrusion forging power block, passes through the extrusion forging head. After the hydraulic cylinder in the power source drives the entire system to complete the extrusion / forging pressing, the moving die plate retracts (in the open mold state). At the same time, the hydraulic cylinder in the power source drives the extrusion forging power block to continue moving forward and drives the ejector rod to complete the ejection task. Meanwhile, the extrusion forging head also moves forward to the termination point and begins to retract slightly.

[0035] In each of the above processes, the movement of the forging head and the ejector rod is determined by the triangular hinge connecting hole connector, the first connecting rod, and the second connecting rod. The three of them are combined to form a mechanism similar to a five-hinged four-bar linkage. Usually, two sets are used in a symmetrical arrangement. In this invention, the power source and this five-hinged four-bar linkage mechanism are both set on the moving base plate, except that it is set at a 90-degree angle to the power source.

[0036] The five-hinged four-link curved rib mechanism creates a force-increasing effect. Of course, using other hydraulic force-increasing mechanisms also has a force-increasing effect, but the structure is slightly more complex.

[0037] like Figure 1 The extrusion / forging mechanism shown can be installed on the moving mold plate of a die casting (injection) machine that is driven by a curved rib mechanism to achieve reciprocating motion and mold locking, including cold / hot chamber metal die casting machines, vertical die casting machines, and MIM powder injection molding machines, and can achieve the same effect.

[0038] like Figure 1 The extrusion / forging mechanism shown on the cold chamber two-plate die casting machine not only has the functions of extrusion / forging and die casting, but also has a more perfect appearance.

[0039] Will Figure 1 The ejector rod shown is not set, and the modified moving plate is made into a box. Using the same structural principle, a new peripheral extrusion / forging equipment can also be formed. The box is provided with a convenient way to fix and connect it to the outside of one of the moving / fixed templates of the mold (one of the three sides or simultaneously). It can be modified into a die casting equipment that can be installed on the side of the mold and can extrude / forge the workpiece in the cavity from up to three sides.

[0040] For example, a 1 / 4 scale prototype of the extrusion / forging mechanism installed on a 280t die-casting machine can use a screw ejection mechanism instead of a hydraulic cylinder, and a compression spring instead of a mold and the extrusion / forging process. The simulated entire production process can fully achieve the expected effects of this invention: the extrusion / forging stroke reaches 38 mm (already magnified 4 times, adjustable), meeting the requirements for backfill material replenishment; the force multiplier reaches 20 times (adjustable), realizing the requirement for continuous casting / forging—the forging pressure can be increased to over 400t, that is, the 280t die-casting machine with clamping force is upgraded to a 280 / 400t extrusion / forging die-casting machine. Therefore, it can be inferred that the extrusion / forging mechanism of this invention can be added simply by modifying the moving plate of a traditional 280t die-casting machine, lengthening the hinge arm by 560 mm, and correspondingly lengthening the tie rod.

[0041] By omitting the ejector rod and other components of the extrusion forging mechanism of the present invention and setting it in an open square body, with a convenient way to fix and connect it to the outside of one of the moving and fixed templates of the mold, it can be modified into an independent peripheral extrusion device.

[0042] For ordinary die-cast products, eliminating defects such as shrinkage porosity and gas porosity compensates for shortcomings, which can partially save materials and improve yield. The application of the extrusion / forging continuous process can improve the density and strength of the product, and even change its material microstructure, replacing heat treatment processes. For products with high requirements for airtightness and lightweighting, the effect is even more immediate, eliminating gas testing and impregnation processes, greatly improving yield, reducing energy consumption, saving materials, and lowering manufacturing costs. The working period of the extrusion / forging mechanism of this invention is carried out simultaneously with the pressure boosting and shrinkage of the traditional process, so it will not prolong the production cycle. Moreover, its extrusion / forging function accelerates the solidification of the product and strengthens the product strength in the mold cavity, thus achieving rapid demolding, thereby further improving production efficiency. The transformation cost of this invention is extremely low, the cost performance is extremely high, and it has the potential to completely replace the traditional die-casting machine. The drive mechanism designed in this invention adopts the form of extrusion forging curved rib assembly, i.e., linkage drive, which can form a force-increasing effect and achieve better extrusion forging and die-casting effects.

Claims

1. A forging mechanism configured on a moving die-casting machine base, comprising a moving die-casting base plate, the upper and lower parts of which are slidably mounted on a die-casting machine tie rod, characterized in that: A forging hole is provided at the center of the moving mold base plate, through which a forging head is inserted. The forging head has an ejection through hole. A power source is located on the non-mold mounting side of the moving mold base plate, facing the forging hole. Two symmetrically arranged drive mechanisms are provided in the internal region between the moving mold base plate and the power source. These drive mechanisms apply the power output from the power source to the forging head. An ejection mechanism is also provided, which slides and extends along the ejection through hole in the forging head or the ejection through hole in the moving mold base plate under the output power of the power source. The power source is a hydraulic cylinder, which is connected to the tail of the moving mold base plate via a support. The output end of the pressure cylinder is connected to an extrusion power block, and the ejection mechanism is connected to the extrusion power block. Two sets of drive mechanisms are symmetrically arranged on both sides of the extrusion power block. Each set of drive mechanisms is simultaneously hinged to the extrusion power block, the moving mold base plate, and the extrusion pressure head. The drive mechanism includes a triangular hinge hole connector, a first connecting rod, and a second connecting rod. One apex of the triangular hinge hole connector is hinged to the tail of the moving mold base plate, and the other two apexes of the triangular hinge hole connector are respectively hinged to one end of the first connecting rod and the second connecting rod. The other end of the first connecting rod is hinged to the rear side of the extrusion power block, and the other end of the second connecting rod is hinged to the tail of the extrusion pressure head.

2. The extrusion forging mechanism configured on a multi-type die-casting motorized mold base according to claim 1, characterized in that: The ejection mechanism consists of at least one ejection rod, one end of which is connected to the power source, and the other end of which is slidably inserted into the corresponding ejection through hole.

3. The extrusion forging mechanism configured on a multi-type die-casting motorized mold base according to claim 1, characterized in that: The forging head includes a straight forging head and a tailstock. The straight forging head is placed in the forging hole and slides and extends along the forging hole. The tailstock has symmetrically arranged hinged lugs on both sides, and the hinged lugs are hinged to the hinge fulcrums on the corresponding side of the drive mechanism.

4. The extrusion forging mechanism configured on a multi-type die-casting motorized mold base according to claim 3, characterized in that: Guide sleeves are also provided on the upper and lower side walls of the extrusion hole, and the direct extrusion head slides in contact with the guide sleeves.

5. The extrusion forging mechanism configured on a multi-type die-casting motorized mold base according to claim 1, characterized in that: The forging head and the forging power block, as well as the forging power block and the hydraulic cylinder piston rod, are fixedly connected by the locking head.

6. The extrusion forging mechanism configured on a multi-type die-casting motorized mold base according to claim 1, characterized in that: The moving seat plate is composed of a front plate and a tail frame. The forging hole is located at the center of the front plate, the tail frame is connected to the rear side of the front plate, and the power source is connected to the tail frame.

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