CN204470323U - Precision casting hydraulic pressure automatic reforming device - Google Patents

Abstract

The utility model discloses a precision casting hydraulic automatic shaping equipment, which comprises a support assembly, a shaping mold, a power execution system, and an electric control system; Pillars; the shaping mold includes an upper template, a lower template, and an inner cavity shaping mechanism. Hydraulic cylinder, working platform hydraulic cylinder; the front end of the piston rod of the inner cavity shaping mechanism hydraulic cylinder is connected to the inner cavity shaping mechanism, which can drive the inner cavity shaping mechanism to move in the horizontal direction; the power execution system is electrically connected to the electrical control system; further improvement lies in: The cavity shaping mechanism adopts a wedge mechanism; the electrical control system adopts PLC control. The utility model can realize shaping automatically and efficiently, and has high shaping precision.

Description

Precision casting hydraulic automatic shaping equipment

technical field

The utility model relates to casting shaping equipment, in particular to a precision casting hydraulic shaping equipment.

Background technique

Precision casting is widely used in the casting of precision, complex and thin-walled parts. However, due to the structure and wall thickness of precision castings, thermal deformation and stress deformation after cooling occur in the precision casting process, resulting in larger shapes and The position error needs to be rectified. In the prior art, tools such as hammers are used for manual cold shaping to correct the shape of precision castings. This method has high labor intensity and low production efficiency, and cannot meet the requirements of mass production.

Contents of the invention

Aiming at the deficiencies of the prior art, the utility model proposes a precision casting hydraulic automatic shaping equipment that can significantly reduce labor intensity, significantly improve production efficiency, and meet the needs of mass production.

The utility model realizes the technical goal through the following technical solutions.

The improvement of precision casting hydraulic automatic shaping equipment is that it includes a bracket assembly, a shaping mold, a power execution system, and an electrical control system; the bracket assembly is a frame-shaped structure, including a top plate, a working platform, a bottom The pillar is set between the top plate and the bottom plate; the working platform is set between the top plate and the bottom plate, is set on the pillar, and can slide up and down along the pillar; the shaping mold includes an upper template, a lower template, and an inner cavity Shaping mechanism, the upper template and the lower template correspond up and down, and are respectively fixedly connected to the lower end surface of the top plate and the upper end surface of the working platform. The upper template is provided with positioning pins, and the lower template is provided with positioning pins corresponding to the upper and lower positioning pins of the upper template. positioning pin holes; the inner cavity shaping mechanism is arranged on one side of the upper template and the lower template; the power execution system includes a hydraulic station, a hydraulic cylinder of the inner cavity shaping mechanism, and a working platform hydraulic cylinder; the hydraulic station is arranged on a support assembly side; the hydraulic cylinder of the inner cavity shaping mechanism is fixedly connected to the upper end surface of the working platform in the horizontal direction, and the front end of the piston rod is connected to the inner cavity shaping mechanism, which can drive the inner cavity shaping mechanism to move in the horizontal direction; the hydraulic cylinder of the working platform is vertically placed on the bottom plate The upper end surface and the lower end surface of the working platform are supported on the upper end surface of the piston rod of the hydraulic cylinder of the working platform or connected with the upper end of the piston rod; the power execution system is electrically connected with the electrical control system.

In the above structure, the inner cavity shaping mechanism includes an intermediate support, an upper support plate, a lower support plate, connecting bolts, a compression spring, a nut, and a return spring; The upper and lower ends of the wedge are sloped; the upper support is a wedge I with a horizontal upper end and an inclined lower end. Wedge III with horizontal lower end surface and inclined upper end surface, the inclination angle of its upper end surface is consistent with the inclination angle of the lower end surface of the middle support wedge; the lower end surface of the upper brace is wedged with the upper surface of the middle support wedge, The upper end surface of the support plate is wedged with the lower end surface of the intermediate support wedge; the connecting bolts vertically penetrate the lower support plate, the waist-shaped hole on the intermediate support wedge, and the upper support plate. Springs and nuts make the upper support plate, the middle support wedge and the lower support plate closely contact; the middle support wedge is provided with long grooves arranged in the left and right directions; the lower end surface of the upper support plate is fixed with connection key I, and the middle The long grooves on the support wedges are fitted with gaps, so that the upper support plate can move left and right relative to the middle support wedge; The plate can move left and right relative to the middle support wedge; the left end faces of the upper support plate, the lower support plate and the left end surface of the middle support wedge are provided with return springs.

The electrical control system is controlled by PLC.

Compared with the prior art, the utility model has the following positive effects:

1. The utility model is controlled by the electrical control system and driven by the hydraulic cylinder of the power execution system to complete the shaping action, significantly reduce labor intensity, significantly improve production efficiency, and meet the needs of mass production.

2. The internal cavity shaping is carried out by using the internal cavity shaping mechanism of the wedge principle, which can easily enter and exit the inner cavity of the workpiece for shaping, which solves the problem that the existing technology cannot perform mechanized shaping on the inner cavity of precision castings; and the wedge mechanism is used The shaping size can be controlled more precisely, and the shaping accuracy can be significantly improved.

3. The electrical control system adopts PLC control, which can realize the automation of the shaping process, further improve the production efficiency, and also make the shaping device intelligent.

4. The upper template and the lower template are molded together to shape the shape of the workpiece, and at the same time use the inner cavity shaping mechanism to shape the inner cavity of the workpiece. Precision, reducing inspection and rework costs, ensuring shaping quality.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model (except the power execution system and the electrical control system).

Figure 2 is a schematic structural diagram of the power execution system and the electrical control system.

Fig. 3 is a sectional view of A-A in Fig. 1 .

FIG. 4 is an enlarged schematic diagram of part I in FIG. 3 .

Fig. 5 is a B-B sectional view in Fig. 4 .

Fig. 6 is a sectional view of C-C in Fig. 4 .

Fig. 7 is a schematic diagram of the shaping state of the utility model.

FIG. 8 is an enlarged schematic diagram of part II in FIG. 6 .

Detailed ways

Below according to accompanying drawing and in conjunction with embodiment the utility model is further described.

The hydraulic automatic shaping equipment for precision castings shown in accompanying drawings 1-3 includes a support assembly 1, a shaping mold 2, a power execution system 3, and an electrical control system 4. In this embodiment, the electrical control system 4 is controlled by PLC; the support assembly 1 It is a frame structure, including a top plate 1.1, a working platform 1.2, a bottom plate 1.3 and more than two vertical pillars 1.4, the pillars 1.4 are arranged between the top plate 1.1 and the bottom plate 1.3; the working platform 1.2 is arranged between the top plate 1.1 and the bottom plate 1.3, Set on the pillar 1.4, it can slide up and down along the pillar 1.4; the shaping mold 2 includes an upper template 2.1, a lower template 2.2, and an inner cavity shaping mechanism 2.3, and the upper template 2.1 and the lower template 2.2 correspond up and down, and are respectively fixedly connected to the lower end surface of the top plate 1.1 , The upper end surface of the working platform 1.2, the upper template 2.1 is provided with a positioning pin 2.1.1, and the lower template 2.2 is provided with a positioning pin hole 2.2.1 corresponding to the upper and lower positioning pins 2.1.1 of the upper template 2.1; the inner cavity shaping mechanism 2.3 is set on the side of the upper formwork 2.1 and the lower formwork 2.2; the power execution system 3 includes a hydraulic station 3.1, a hydraulic cylinder 3.2 of the inner cavity shaping mechanism, and a hydraulic cylinder 3.3 of the working platform; the hydraulic station 3.1 is set on the side of the support assembly 1; the inner cavity shaping Mechanism hydraulic cylinder 3.2 is fixedly connected to the upper end surface of working platform 1.2 in the horizontal direction, and the front end of the piston rod is connected to inner cavity shaping mechanism 2.3, which can drive inner cavity shaping mechanism 2.3 to move horizontally; working platform hydraulic cylinder 3.3 is vertically placed on the upper end surface of bottom plate 1.3, The lower end surface of the working platform 1.2 is supported on the upper end surface of the piston rod of the working platform hydraulic cylinder 3.3 or connected with the upper end of the piston rod; the power execution system 3 is electrically connected with the electrical control system 4 .

The cavity shaping mechanism 2.3 shown in accompanying drawings 4 and 5 includes an intermediate support 2.3.1, an upper support plate 2.3.2, a lower support plate 2.3.3, a connecting bolt 2.3.5, a compression spring 2.3.6, and a nut 2.3. 7. The return spring 2.3.10; the right end of the middle support 2.3.1 is provided with a flat wedge plate 2.3.1.1, the small end is on the right, and the upper and lower end surfaces are inclined; the upper support plate 2.3.2 is the upper end surface horizontal, the lower end surface For the inclined wedge I, the inclination angle of its lower end surface is consistent with the inclination angle of the upper end surface of the intermediate support 2.3.1 wedge plate 2.3.1.1; the lower support plate 2.3.3 is a wedge III with a horizontal lower end surface and an inclined upper end surface. The inclination angle of the upper end surface is consistent with the inclination angle of the lower end surface of the intermediate support 2.3.1 wedge plate 2.3.1.1; the lower end surface of the upper support plate 2.3.2 is wedged with the upper end surface of the intermediate support 2.3.1 wedge plate 2.3.1.1, The upper end surface of the plate 2.3.3 is wedged with the lower end surface of the wedge plate 2.3.1.1 of the intermediate support 2.3.1; the connecting bolt 2.3.5 vertically penetrates the waist on the lower support plate 2.3.3 and the intermediate support 2.3.1 wedge plate 2.3.1.1 Shaped hole, upper support plate 2.3.2, its upper end is respectively provided with compression spring 2.3.6, nut 2.3.7 from bottom to top, so that upper support plate 2.3.2, middle support 2.3.1 wedge plate 2.3.1.1, The lower support plate 2.3.3 is in close contact; the middle support 2.3.1 wedge plate 2.3.1.1 is provided with long grooves 2.3.1.2 arranged in the left and right directions; 2.3.1 The long groove 2.3.1.2 on the wedge plate 2.3.1.1 is clearance fit, so that the upper support plate 2.3.2 can move left and right relative to the middle support 2.3.1 wedge plate 2.3.1.1; the upper end surface of the lower support plate 2.3.3 is fixedly connected Key Ⅱ 2.3.9 is in clearance fit with the long groove 2.3.1.2 on the intermediate support 2.3.1 wedge plate 2.3.1.1, so that the lower support plate 2.3.3 can move left and right relative to the intermediate support 2.3.1 wedge plate 2.3.1.1; the upper support The left end surface of plate 2.3.2, lower support plate 2.3.3 and the middle support 2.3.1 wedge plate 2.3.1.1 left end surface 2.3.1.3 are provided with return spring 2.3.10.

As shown in accompanying drawing 6, when the utility model is used for shaping precision castings, the workpiece 5 is first placed in the lower template 2.2 for positioning, the electrical control system 4 issues instructions, and the working platform hydraulic cylinder 3.3 drives the working platform 1.2 to move upward, and the upper template 2.1 The upper positioning pin 2.1.1 is inserted into the upper positioning pin hole 2.2.1 of the lower template 2.2, the upper template 2.1 and the lower template 2.2 start to combine, and the shape of the workpiece 5 is shaped, after the lower end surface of the upper template 2.1 and the upper end surface of the lower template 2.2 are pasted , when the internal pressure of the hydraulic cylinder 3.3 of the working platform rises to the set value, a signal is sent to the electrical control system 4, and the electrical control system 4 issues an instruction, and the hydraulic cylinder 3.3 of the working platform stops driving; the electrical control system 4 sends a signal, and the inner cavity shaping mechanism The hydraulic cylinder 3.2 drives the inner cavity shaping mechanism 2.3 to move to the right and enters the inner cavity of the workpiece 5. The upper support plate 2.3.2 and the lower support plate 2.3.3 first enter the inner cavity of the workpiece 5. When the upper support plate 2.3.2 and the lower support plate 2.3.2 When the support plate 2.3.3 abuts against the end face of the inner cavity of the workpiece 5, the upper support plate 2.3.2 and the lower support plate 2.3.3 stop moving to the right, and the middle support 2.3.1 wedge plate 2.3.1.1 hydraulic cylinder of the inner cavity shaping mechanism 3.2 The drive continues to move to the right, relying on the action of the wedge to squeeze the upper support plate 2.3.2 and the lower support plate 2.3.3 to move up and down respectively, so as to shape the inner cavity of the workpiece 5. When the middle support 2.3.1 wedge plate 2.3 .1.1 When the end surface of the inner cavity of the workpiece 5 or the left end surface of the upper support plate 2.3.2 and the lower support plate 2.3.3 contact with the middle support 2.3.1 wedge plate 2.3.1.1 left end surface 2.3.1.3, the inner cavity shaping mechanism When the internal pressure of the hydraulic cylinder 3.2 rises to the set value, a signal is sent to the electrical control system 4, and the electrical control system 4 issues an instruction, and the hydraulic cylinder 3.2 of the cavity shaping mechanism stops driving.

After the set time, the electrical control system 4 issues an instruction, the inner cavity shaping mechanism hydraulic cylinder 3.2 drives the inner cavity shaping mechanism 2.3 to move to the left, the middle support 2.3.1 wedge plate 2.3.1.1 moves to the left, and the upper support plate 2.3. 2. The lower support plate 2.3.3 moves to the middle under the action of the compression spring 2.3.6, and moves to the left out of the inner cavity of the workpiece 5, and the return spring 2.3.10 pushes the upper support plate 2.3.2 and the lower support plate 2.3.3 The wedge 2.3.1.1 moves to the right relative to the intermediate support 2.3.1 to the initial starting position. Electric control system 4 continues to issue instruction, and working platform hydraulic cylinder 3.3 drives working platform 1.2 to move downwards, upper template 2.1, lower template 2.2 throw off, workpiece 5 can be taken off from lower template 2.2, completes a shaping process.

Because the electrical control system 4 adopts PLC control, the above-mentioned shaping process can be automatically completed through program setting.

Claims (3)

1. A hydraulic automatic shaping equipment for precision castings, characterized in that it includes a bracket assembly (1), a shaping mold (2), a power execution system (3), and an electrical control system (4); the bracket assembly (1) is A frame-shaped structure, including a top plate (1.1), a working platform (1.2), a bottom plate (1.3) and more than two vertical pillars (1.4), and the pillars (1.4) are arranged between the top plate (1.1) and the bottom plate (1.3) The working platform (1.2) is set between the top plate (1.1) and the bottom plate (1.3), is set on the pillar (1.4), and can slide up and down along the pillar (1.4); the shaping mold (2) includes an upper template (2.1), the lower template (2.2), the inner cavity shaping mechanism (2.3), the upper template (2.1) and the lower template (2.2) correspond up and down, and are respectively fixedly connected to the lower end surface of the top plate (1.1) and the working platform (1.2 ) on the upper end surface, the upper formwork (2.1) is provided with positioning pins (2.1.1), and the lower formwork (2.2) is provided with positioning pin holes corresponding to the upper and lower positioning pins (2.1.1) of the upper formwork (2.1). 2.2.1); the inner cavity shaping mechanism (2.3) is set on the side of the upper template (2.1) and the lower template (2.2); the power execution system (3) includes a hydraulic station (3.1), the inner cavity shaping mechanism hydraulic pressure Cylinder (3.2), working platform hydraulic cylinder (3.3); the hydraulic station (3.1) is set on one side of the support assembly (1); the inner cavity shaping mechanism hydraulic cylinder (3.2) is fixedly connected to the working platform (1.2 ), the front end of the piston rod is connected to the inner cavity shaping mechanism (2.3), which can drive the inner cavity shaping mechanism (2.3) to move horizontally; the working platform hydraulic cylinder (3.3) is vertically placed on the upper end surface of the bottom plate (1.3), The lower end surface of the platform (1.2) is supported on the upper end surface of the piston rod of the working platform hydraulic cylinder (3.3) or connected to the upper end of the piston rod; the power execution system (3) is electrically connected with the electrical control system (4). 2. The precision casting hydraulic automatic shaping equipment according to claim 1, characterized in that: the inner cavity shaping mechanism (2.3) includes an intermediate support (2.3.1), an upper support plate (2.3.2), a lower support plate (2.3.3), connecting bolts (2.3.5), compression springs (2.3.6), nuts (2.3.7), return springs (2.3.10); the right end of the middle support (2.3.1) is provided with The horizontal wedge plate (2.3.1.1) with the small end on the right and sloped upper and lower end surfaces; the upper support plate (2.3.2) is wedge plate I with the upper end surface The inclination angle is consistent with the inclination angle of the upper surface of the wedge plate (2.3.1.1) of the intermediate support (2.3.1); the lower support plate (2.3.3) is a wedge plate III with a horizontal lower surface and an inclined upper surface, and The inclination angle of the upper support plate (2.3.2) is consistent with the inclination angle of the lower end surface of the intermediate support (2.3.1) wedge plate (2.3.1.1); .1.1) The upper end surface is wedging, the upper end surface of the lower support plate (2.3.3) is wedging with the lower end surface of the intermediate support (2.3.1) wedge plate (2.3.1.1); the connecting bolt (2.3.5) vertically penetrates The waist-shaped hole on the lower support plate (2.3.3), the intermediate support (2.3.1) and the wedge plate (2.3.1.1), and the upper support plate (2.3.2), the upper ends of which are respectively provided with compression springs from bottom to top (2.3.6), nuts (2.3.7), so that the upper support plate (2.3.2), the intermediate support (2.3.1), the wedge plate (2.3.1.1), and the lower support plate (2.3.3) are in close contact; The wedge plate (2.3.1.1) of the middle support (2.3.1) is provided with long grooves (2.3.1.2) arranged in the left and right directions; ), and the long groove (2.3.1.2) on the intermediate support (2.3.1) wedge (2.3.1.1) clearance fit, so that the upper support (2.3.2) can be relative to the intermediate support (2.3.1) wedge ( 2.3.1.1) move left and right; the upper end surface of the lower support plate (2.3.3) is fixed with the connection key II (2.3.9), and the long groove (2.3 .1.2) Clearance fit, so that the lower support plate (2.3.3) can move left and right relative to the middle support (2.3.1) wedge plate (2.3.1.1); the upper support plate (2.3.2), the lower support plate (2.3 .3) The return spring (2.3.10) is provided on the left end face of the middle support (2.3.1) wedge plate (2.3.1.1) and the left end face (2.3.1.3). 3. The precision casting hydraulic automatic shaping equipment according to claim 1 or 2, characterized in that: the electrical control system (4) is controlled by PLC.