CN209867289U - Side-shooting sand upper box male die forming device - Google Patents

Abstract

The utility model relates to a side shooting sand upper box punch forming device, four forming guide pillars are fixedly arranged at four corners between a top beam and a bottom beam to form a frame structure, a sand shooting barrel fixing plate is fixedly arranged at the upper parts of the four forming guide pillars between the top beam and the bottom beam, a sand shooting barrel is arranged in the middle of the lower end of the sand shooting barrel fixing plate, and a sand shooting pipe is communicated with one horizontal side of the sand shooting barrel; a pressure head guide plate is movably sleeved on four forming guide posts between the sand shooting barrel fixing plate and the top beam, and a pressure head is fixedly arranged at the lower end of the pressure head guide plate; a lower die supporting plate is movably sleeved on four forming guide pillars between the sand shooting barrel fixing plate and the bottom beam, a female die fixing plate is fixedly arranged at the upper end of the lower die supporting plate, a female die is fixedly arranged at the upper end of the female die fixing plate, a gate rod is vertically arranged in the middle of the female die, and a demoulding assembly is arranged at the lower part of the female die; and a sand box assembly is arranged between the female die and the sand shooting barrel. The utility model discloses accomplish at same station and penetrate sand, shaping and drawing of patterns, add sand system and sand case mutually noninterfere, accomplish and penetrate sand can the die mould.

Description

Side-shooting sand upper box male die forming device

Technical Field

The utility model belongs to the technical field of clay sand molding, specifically a side shot sand cope flask terrace die forming device.

Background

At present, clay sand automatic molding technology appears for decades, and with the guidance of continuously improved requirements of users, along with the development progress of technology and the continuous innovation of manufacturers, various featured hosts and production lines appear, and a KW line, a Disha line and a New east line which are widely used at home and abroad are typical representatives of the clay sand automatic molding technology.

The vertical parting molding machine in various molding machines has the characteristics of no sand box and high molding efficiency.

Various horizontal parting flaskless (slip flask) molding machines have the advantages of simple structure, wide adaptability and remarkable production efficiency, and particularly, the vertical sand shooting slip flask/slip flask molding technology developed domestically in recent two years solves the problems of low mold back compactness and low casting yield easily caused by horizontal sand shooting molding, and further expands the application range of the flaskless sand shooting molding.

The multi-contact static pressure automatic molding, particularly the multi-contact static pressure molding with a box is the best molding mode of product adaptability in a plurality of molding devices, the host and the production line are most complex in structure, no matter quantitative sand adding or airflow sand adding is adopted, sand filling and molding are completed by relative movement among a sand box, a sand filling device and a mold, sand filling, molding and even mold closing can not be realized at a fixed station like the non-box molding, the production rate is limited, the upper box can only be molded with an upward parting surface, mold closing is realized at other stations in a turnover way, the host is complex in structure, and a plurality of auxiliary devices are provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art's weak point, penetrate the figurative high efficiency of sand and the automatic figurative high adaptability of multi-contact static pressure and have the case figurative sand-iron ratio little with the level, the advantage that the casting yield is high combines together, provides a side and penetrates sand punch forming device of case on.

The utility model provides a its technical problem take following technical scheme to realize:

the utility model provides a side-shooter sand cope flask terrace die forming device which characterized in that: four forming guide pillars are fixedly arranged at four corners between the top beam and the bottom beam to form a frame structure, a sand shooting barrel fixing plate is fixedly arranged at the upper parts of the four forming guide pillars between the top beam and the bottom beam, a sand shooting barrel is arranged in the middle of the lower end of the sand shooting barrel fixing plate, and a sand shooting pipe is communicated with one horizontal side of the sand shooting barrel; a pressure head guide plate is movably sleeved on the four forming guide columns between the sand shooting barrel fixing plate and the top beam, a pressure head is fixedly arranged at the lower end of the pressure head guide plate, and the pressure head can seal the upper end of the sand shooting barrel; a lower die supporting plate is movably sleeved on four forming guide pillars between the sand shooting barrel fixing plate and the bottom beam, a female die fixing plate is fixedly arranged at the upper end of the lower die supporting plate, a female die is fixedly arranged at the upper end of the female die fixing plate, a gate rod is vertically arranged in the middle of the female die, and a demoulding assembly is arranged at the lower part of the female die; and a sand box assembly is arranged between the female die and the sand shooting barrel.

And the pressure head guide plate is connected with an oil cylinder arranged on the top beam, and the oil cylinder is provided with an oil cylinder ball socket.

And the lower supporting plate of the die is connected with an oil cylinder arranged at the lower end of the bottom beam.

Moreover, the sand shooting cylinder is of a cylindrical structure with an upper opening and a lower opening.

And a large sprue pit is fixedly arranged in the middle of the pressure head.

The upper end of the gate rod extends out of the female die, and the lower end of the gate rod penetrates through the female die and the female die fixing plate and is fixedly arranged on the lower die supporting plate; the female die and the sprue bar are relatively fixed and move up and down synchronously along with the lower die supporting plate.

And the demolding assembly comprises a universal female die bottom plate, a demolding top plate, demolding guide rods and a demolding oil cylinder, the universal female die bottom plate is installed at the lower part in the female die, the three demolding guide rods are installed at the lower end of the universal female die bottom plate at intervals, the lower ends of the three demolding guide rods are fixedly installed on the demolding top plate, the lower end of the demolding top plate is connected with the demolding oil cylinder, and a cylinder body of the demolding oil cylinder is installed at the lower end of the bottom plate.

The utility model has the advantages that:

1. the utility model discloses accomplish at same station and penetrate sand, shaping and drawing of patterns, add sand system and sand case mutually noninterfere, accomplish and penetrate sand can the die mould.

2. The utility model discloses penetrate sand and pack the sand tight in advance, it is fast to pack the sand, and production efficiency is high, and sand mould thickness can be adjusted as required, and is less with the sand volume ratio, and the shaping is pleasing to the eye.

3. The utility model discloses a pressure head shape reasonable in design makes each regional molding sand compression ratio close, and the shaping hardness is even, and hardness is close after the actual shaping, does not need the sand scraping around the shaping, and it is few not have the sand that looses.

4. The utility model discloses drawing of patterns is assisted to hydraulic pressure, and the yield is high and can reduce the drawing die inclination to reduce product weight and epilogue processingquantity.

5. The utility model discloses be equipped with runner nest, gas pocket needle on the pressure head, have runner stick and rising head stick on the mould, runner, rising head, bleeder vent one shot forming.

6. The utility model discloses the shaping unit is five roof beams four column type press structures, and each action is by independent hydro-cylinder control, and pressure, speed and initial position are adjusted conveniently, and simple structure is reliable and stable.

Drawings

FIG. 1 is a front view of the structure of the utility model in a state before closing;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a structural diagram of the sand shooting status of the present invention;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

fig. 5 is a schematic diagram of the position of the utility model after compression;

fig. 6 is a cross-sectional view taken along line C-C of fig. 5.

Reference numerals: 1 top beam, 2 die bottom plates, 3 sand shooting barrel fixing plates, 4 sand shooting barrels, 5 sand shooting pipes, 6 die fixing plates, 7 dies, 8 bottom beams, 11 oil cylinders, 14 die fixing plate link rods, 15 oil cylinder ball sockets, 16 forming guide columns, 17 squeeze heads, 18 squeeze head link rods, 19 squeeze head guide plates, 24 large sprue pits, 27 sand box assemblies, 41 demolding guide rods, 42 demolding top plates, 43 universal die bottom plates, 45 sprue bars and 48 demolding oil cylinders.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.

A side shot sand upper box punch forming device is of a five-beam four-column type press structure, a top beam 1 and a bottom beam 8 are both of rectangular long plate structures, four forming guide pillars 16 are fixedly arranged at four corners between the top beam and the bottom beam to form a basic frame structure, and the top beam and the bottom beam are respectively used as mounting bases of forming oil cylinders;

a sand shooting barrel fixing plate 3 is fixedly arranged at the upper parts of four forming guide pillars between the top beam and the bottom beam, a sand shooting barrel 4 is arranged in the middle of the lower end of the sand shooting barrel fixing plate, the sand shooting barrel is of a cylindrical structure with an open upper part and a lower part, and a sand shooting pipe 5 is communicated with one horizontal side of the sand shooting barrel;

a pressure head guide plate 19 is movably sleeved on four forming guide pillars between the sand shooting barrel fixing plate 3 and the top beam 1, the pressure head guide plate is connected with an oil cylinder 11 arranged on the top beam, and the oil cylinder is provided with an oil cylinder ball socket 15; a lower die supporting plate 2 is movably sleeved on four forming guide pillars between the sand shooting barrel fixing plate 3 and the bottom beam 8, the lower die supporting plate is connected with an oil cylinder (not shown in the figure) arranged at the lower end of the bottom beam, and the pressure head guide plate and the lower die supporting plate can respectively move up and down along the forming guide pillars;

four pressure head link rods 18 are arranged at the lower end of the pressure head guide plate at intervals, a pressure head 17 is fixedly arranged at the lower end of each pressure head link rod, the pressure head can seal the upper end of the sand shooting barrel, a large sprue bush 24 is fixedly arranged in the middle of the pressure head, and the pressure head moves up and down along with the pressure head guide plate;

four mould fixing plate link rods 14 are arranged at the upper end of the mould lower supporting plate 2, a female mould fixing plate 6 is fixedly arranged on the four mould fixing plate link rods, a female mould 7 is fixedly arranged at the upper end of the female mould fixing plate, a gate rod 45 is vertically arranged in the middle of the female mould, the upper end of the gate rod extends out of the female mould, and the lower end of the gate rod penetrates through the female mould and the female mould fixing plate and is fixedly arranged on the mould lower supporting plate; the female die and the sprue bar are relatively fixed and synchronously move up and down along with the lower die supporting plate;

the lower part of the female die is provided with a demoulding assembly, the demoulding assembly comprises a universal female die bottom plate 43, a demoulding top plate 42, demoulding guide rods 41 and a demoulding oil cylinder 48, the lower part in the female die is provided with the universal female die bottom plate, the lower end of the universal female die bottom plate is provided with three demoulding guide rods at intervals, the lower ends of the three demoulding guide rods are fixedly arranged on the demoulding top plate, the lower end of the demoulding top plate is connected with the demoulding oil cylinder, and the cylinder body of the demoulding oil cylinder is arranged at.

A flask assembly 27 is provided between the female mold 7 and the shooting pot 4.

The action process is briefly described as follows:

before molding, the sand box assembly is conveyed between the female die and the sand shooting barrel by a loading and unloading mechanism (not shown in the figure), and the centers of the sand box assembly are aligned (the states shown in the schematic diagrams 1 to 2);

the bottom oil cylinder drives the lower mold supporting plate, the gate rod, the mold fixing plate and the female mold to ascend, supports the sand box assembly until the upper end of the sand box assembly is contacted with the lower end of the sand shooting cylinder, meanwhile, the universal female mold bottom plate is driven by the demolding oil cylinder to ascend to a fixed position, and the universal female mold bottom plate, the female mold fixing plate, the sand shooting cylinder, the pressure head, the large gate pit and the gate rod form a closed space together (the states shown in schematic diagrams 3 to 4);

after the molding sand is injected into the closed space through the sand injecting pipe and the sand injecting cylinder, the oil cylinder pushes the pressure head guide plate and drives the pressure head to press downwards to complete the molding (the states shown in the schematic diagrams 5 to 6);

after the molding is finished, the pressure head rises, the universal female die bottom plate supports the molding box and the molding sand to keep still, the bottom oil cylinder drives the lower die supporting plate, the gate rod, the die fixing plate and the female die to descend, the die does not bear the pulling force generated by demolding, the active demolding is realized, and the continuous head of the suspended sand is realized.

The pressure head position during sand shooting can be adjusted through PLC control system's touch-sensitive screen to change the volume size of adding sand, adapt to different product needs.

The demoulding and moulding box is moved out of the moulding position by the loading and unloading mechanism and is simultaneously fed into a new moulding box.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (7)

1. The utility model provides a side-shooter sand cope flask terrace die forming device which characterized in that: four forming guide pillars are fixedly arranged at four corners between the top beam and the bottom beam to form a frame structure, a sand shooting barrel fixing plate is fixedly arranged at the upper parts of the four forming guide pillars between the top beam and the bottom beam, a sand shooting barrel is arranged in the middle of the lower end of the sand shooting barrel fixing plate, and a sand shooting pipe is communicated with one horizontal side of the sand shooting barrel; a pressure head guide plate is movably sleeved on the four forming guide columns between the sand shooting barrel fixing plate and the top beam, a pressure head is fixedly arranged at the lower end of the pressure head guide plate, and the pressure head can seal the upper end of the sand shooting barrel; a lower die supporting plate is movably sleeved on four forming guide pillars between the sand shooting barrel fixing plate and the bottom beam, a female die fixing plate is fixedly arranged at the upper end of the lower die supporting plate, a female die is fixedly arranged at the upper end of the female die fixing plate, a gate rod is vertically arranged in the middle of the female die, and a demoulding assembly is arranged at the lower part of the female die; and a sand box assembly is arranged between the female die and the sand shooting barrel.

2. The side-shooter sand cope punch molding device of claim 1, wherein: the pressure head guide plate is connected with an oil cylinder arranged on the top beam, and the oil cylinder is provided with an oil cylinder ball socket.

3. The side-shooter sand cope punch molding device of claim 1, wherein: the lower die supporting plate is connected with an oil cylinder arranged at the lower end of the bottom beam.

4. The side-shooter sand cope punch molding device of claim 1, wherein: the sand shooting cylinder is of a cylindrical structure with an upper opening and a lower opening.

5. The side-shooter sand cope punch molding device of claim 1, wherein: and a large sprue pit is fixedly arranged in the middle of the pressure head.

6. The side-shooter sand cope punch molding device of claim 1, wherein: the upper end of the gate rod extends out of the female die, and the lower end of the gate rod penetrates through the female die and the female die fixing plate and is fixedly arranged on the lower die supporting plate; the female die and the sprue bar are relatively fixed and move up and down synchronously along with the lower die supporting plate.

7. The side-shooter sand cope punch molding device of claim 1, wherein: the demolding assembly comprises a universal female die bottom plate, a demolding top plate, demolding guide rods and a demolding oil cylinder, the universal female die bottom plate is installed on the lower portion in the female die, the three demolding guide rods are installed at the lower end of the universal female die bottom plate at intervals, the lower ends of the three demolding guide rods are fixedly installed on the demolding top plate, the lower end of the demolding top plate is connected with the demolding oil cylinder, and a cylinder body of the demolding oil cylinder is installed at the lower end of the bottom plate.