CN218873649U

CN218873649U - Molding sand forming device for iron casting

Info

Publication number: CN218873649U
Application number: CN202223133579.8U
Authority: CN
Inventors: 孙晓忠; 钱一
Original assignee: Changzhou Laiou Casting Co ltd
Current assignee: Changzhou Laiou Casting Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-18
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to a molding sand forming device for ironcasting belongs to cast iron trade technical field, and it includes workstation and hydraulic pressure mechanism, the workstation includes base, fly leaf and jacking subassembly, the base bilateral symmetry is fixed with the stand pipe, the fly leaf sets up at the base top, just the position that the fly leaf bottom corresponds the stand pipe is fixed with the guide bar, the guide bar activity sets up in the stand pipe, the jacking subassembly sets up between base and fly leaf for the drive fly leaf removes, still be fixed with the striking piece on the base. This application compact structure, easily production manufacturing, through the cylinder with the activity board jack-up back, the cylinder resets rapidly, the fly leaf under the action of gravity of balancing weight and mould, down free fall and striking piece striking to can tamp the inside molding sand of mould, the casting mould that obtains is comparatively durable.

Description

Molding sand forming device for iron casting

Technical Field

The application relates to the technical field of cast iron industry, in particular to a molding sand forming device for iron castings.

Background

At present, a casting is a metal molded article obtained by various casting methods, that is, an article having a certain shape, size and performance is obtained by pouring, injecting, sucking or other casting methods into a prepared casting mold, cooling, and then performing subsequent processing means such as grinding.

The casting mould generally adopts the molding sand to place the compression moulding in the mould the inside, only adopts the hydraulic press to carry out the compaction to the molding sand now, and at the compaction in-process, the molding sand of mould bottom is through artifical manual compaction, then progressively loads the molding sand again, through the hydraulic press extrusion, and the molding sand compaction effect that is close to the mould bottom is not ideal.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a molding sand forming device for iron castings, easy operation, the molding sand tamps effectually, and the shaping is fast.

The application provides a molding sand forming device for ironcasting adopts following technical scheme:

a molding sand forming device for iron castings comprises a workbench and a hydraulic mechanism, wherein the workbench comprises a base, a movable plate and a jacking assembly, guide pipes are symmetrically fixed on two sides of the base, the movable plate is arranged on the top of the base, guide rods are fixed at the bottom end of the movable plate corresponding to the positions of the guide pipes, the guide rods are movably arranged in the guide pipes, the jacking assembly is arranged between the base and the movable plate and used for driving the movable plate to move, and an impact block is further fixed on the base.

Preferably, the jacking assembly comprises a cylinder, the cylinder is fixed on the base through a cylinder seat, and the end part of a piston rod of the cylinder can be abutted against the movable plate.

Through adopting above-mentioned technical scheme, the cylinder has the response speed fast, operates reliable and stable advantage.

Preferably, a balancing weight is fixed at the bottom of the movable plate.

By adopting the technical scheme, the configuration block can increase the weight of the movable plate, so that the movable plate has larger impact force when falling.

A limiting rod is fixed on the top surface of the movable plate.

Preferably, one side of the guide pipe close to the bottom end is provided with an exhaust hole.

By adopting the technical scheme, the exhaust holes are formed in the guide pipe, so that air circulation in the pipe can be facilitated, negative pressure or air compression in the pipe is avoided, and the influence of air resistance on the guide rod is reduced.

The hydraulic mechanism comprises a support frame, the support frame is arranged on one side of the base, a rotary table is fixedly arranged on the support frame, a hydraulic machine is fixedly mounted at the top of the rotary table, a pressing plate is fixed at the bottom of an output shaft of the hydraulic machine, and the pressing plate is correspondingly arranged at the top of the movable plate.

Preferably, the top surface of the impact block is wrapped with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad can reduce the noise that the striking produced.

In summary, the present application includes at least one of the following beneficial technical effects: this molding sand forming device for iron casting compact structure, easily production manufacturing, through the cylinder with the activity board jack-up back, the cylinder resets rapidly, the activity board is under the action of gravity of balancing weight and mould, down free fall and striking piece striking to can tamp the inside molding sand of mould, the casting mould that obtains is comparatively durable.

Drawings

FIG. 1 is a side view of an embodiment of the present application.

Fig. 2 is a schematic front sectional view of an embodiment of the present application.

Description of the reference numerals: 1. a work table; 11. a base; 111. a guide tube; 112. an impact block; 12. a movable plate; 121. a guide bar; 13. a jacking assembly; 14. a balancing weight; 2. a hydraulic mechanism; 21. a support frame; 22. a turntable; 23. a hydraulic press; 24. pressing a plate; 3. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a molding sand forming device for iron castings, refer to fig. 1 and 2, including a workbench 1, the workbench 1 includes a base 11, a movable plate 12 and a jacking assembly 13, guide pipes 111 are symmetrically fixed on two sides of the base 11, exhaust holes are formed in one side, close to the bottom end, of each guide pipe 111, each movable plate 12 is arranged on the top of the base 11, a counterweight 14 is fixed at the bottom of each movable plate 12, guide rods 121 are fixed at positions, corresponding to the guide pipes 111, of the bottom end of each movable plate 12, each guide rod 121 is movably arranged in each guide pipe 111, each jacking assembly 13 is arranged between the base 11 and the corresponding movable plate 12 and used for driving the corresponding movable plate 12 to move, each jacking assembly 13 includes a cylinder, the cylinder is fixed on the base 11 through a cylinder seat, the end of the piston rod of the cylinder can be abutted to the corresponding movable plate 12, the cylinder is connected with a foot control switch for convenience of controlling, each base 11 is fixedly provided with a striking block 112, in order to reduce noise, the top surface of the striking block 112 is wrapped with a rubber pad, and when the movable plate 12 hovers on the tops of the striking blocks 112, the movable plates 12, the piston rod of the cylinder are suspended on the tops of the striking blocks, the cylinders, the piston rod of the cylinders are not in contact with the movable plates 12.

For safety in operation, a baffle 3 is installed at one side of the base 11.

Referring to fig. 2, a hydraulic mechanism 2 is further arranged beside the workbench 1, the hydraulic mechanism 2 includes a support frame 21, the support frame 21 is arranged on one side of the base 11, a rotary table 22 is fixedly arranged on the support frame 21, a hydraulic machine 23 is fixedly arranged at the top of the rotary table 22, a pressing plate 24 is fixed at the bottom of an output shaft of the hydraulic machine 23, and the pressing plate 24 is correspondingly arranged at the top of the movable plate 12.

Referring to fig. 2, a stopper rod for placing a sand mold is fixed to the top surface of the movable plate 12.

The embodiment of the application provides a sand forming device for iron casting's implementation principle does:

when a casting mold is manufactured, a worker places the mold on the movable plate 12 through the limiting rod, sand is fully paved in the mold, manual preliminary compaction is performed, the mold is fully filled, after repeated operation is performed for a plurality of times, the air cylinder is controlled to work through the foot control switch, the air cylinder works, the piston rod extends to lift the movable plate 12, the movable plate is rapidly shortened, the movable plate 12 freely falls downwards under the action of the gravity of the balancing weight 14 and the mold and collides with the collision block 112, and therefore the sand in the mold can be tamped, and the tamping effect is better and can be repeated for a plurality of times;

and after the molding sand at the bottom of the mold is compacted, filling the molding sand, and pressing the molding sand by a hydraulic machine 23.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a molding sand forming device for ironcasting, includes workstation (1) and hydraulic pressure mechanism (2), its characterized in that: workstation (1) includes base (11), fly leaf (12) and jacking subassembly (13), base (11) bilateral symmetry is fixed with stand pipe (111), fly leaf (12) set up at base (11) top, just the position that fly leaf (12) bottom corresponds stand pipe (111) is fixed with guide bar (121), guide bar (121) activity sets up in stand pipe (111), jacking subassembly (13) set up between base (11) and fly leaf (12) for drive fly leaf (12) remove, still be fixed with striking piece (112) on base (11).

2. The sand molding apparatus for iron castings according to claim 1, wherein: the jacking assembly (13) comprises a cylinder, the cylinder is fixed on the base (11) through a cylinder seat, and the end part of a piston rod of the cylinder can be abutted against the movable plate (12).

3. The sand molding apparatus for iron castings according to claim 2, wherein: a balancing weight (14) is fixed at the bottom of the movable plate (12).

4. The sand molding apparatus for iron castings according to claim 3, wherein: a limiting rod is fixed on the top surface of the movable plate (12).

5. The sand molding apparatus for iron castings according to claim 1, wherein: and one side of the guide pipe (111) close to the bottom end is provided with an exhaust hole.

6. The sand molding apparatus for iron castings according to claim 1, wherein: hydraulic pressure mechanism (2) include support frame (21), support frame (21) set up base (11) one side, the fixed revolving stage (22) that is equipped with on support frame (21), revolving stage (22) top fixed mounting has hydraulic press (23), the output shaft bottom of hydraulic press (23) is fixed with clamp plate (24), clamp plate (24) correspond the setting and are in fly leaf (12) top.

7. The sand molding apparatus for iron castings according to claim 1, wherein: the top surface of the impact block (112) is wrapped with a rubber pad.