CN210146935U - Side-entry vertical sand shooting lower box female die forming device - Google Patents

Abstract

The utility model relates to a side-in vertical sand shooting lower box female die forming device, wherein a bottom beam and a top beam are arranged at an upper and a lower interval, four forming guide pillars are fixedly arranged at four corners between the bottom beam and the top beam to form a frame structure, a die mounting plate is fixedly arranged at the upper parts of the four forming guide pillars, a die is mounted at the lower end of the die mounting plate, a side-in direct sand shooting cylinder is fixedly arranged above the die mounting plate, a group of sand channel closing rods are movably sleeved on the forming guide pillars above the side-in direct sand shooting cylinder, and through holes are formed on the die mounting plate opposite to the sand channel closing rods; the lower top plate is movably sleeved on the lower parts of the four forming guide pillars, a lower top ring is fixedly installed at the upper end of the lower top plate, a sand storage cylinder is movably sleeved outside the lower top ring, a sand storage cylinder guide plate is fixedly installed at the lower end of the sand storage cylinder, the sand storage cylinder guide plate is movably sleeved on the four top ring link rods, and a sand box is arranged between the sand storage cylinder and the mold. 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-entry vertical sand shooting lower box female die forming device

Technical Field

The utility model belongs to the technical field of clay sand molding, specifically a side is gone into and is penetrated sand lower box die forming device perpendicularly.

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 goes into to penetrate sand lower box die forming device perpendicularly.

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

the utility model provides a side is gone into and is penetrated sand lower box die forming device perpendicularly which characterized in that: the bottom beam and the top beam are arranged at intervals up and down, four forming guide pillars are fixedly arranged at four corners between the bottom beam and the top beam to form a frame structure, a mould mounting plate is fixedly arranged at the upper parts of the four forming guide pillars, a mould is mounted at the lower end of the mould mounting plate, a side-in direct injection sand cylinder is fixedly arranged above the mould mounting plate, a pore passage sealing rod plate is movably sleeved on the forming guide pillars above the side-in direct injection sand cylinder, a group of sand passage sealing rods are fixedly arranged at the lower end of the pore passage sealing rod plate, and through holes are formed in the mould mounting plate opposite to the sand passage sealing rods;

the lower top plate is movably sleeved on the lower parts of the four forming guide pillars, a lower top ring is fixedly installed at the upper end of the lower top plate, a sand storage cylinder is movably sleeved outside the lower top ring, a sand storage cylinder guide plate is fixedly installed at the lower end of the sand storage cylinder, the sand storage cylinder guide plate is movably sleeved on the four top ring link rods, and a sand box is arranged between the sand storage cylinder and the mold.

And the top beam is provided with a profiling oil cylinder, and the bottom beam is provided with three groups of oil cylinders.

And a sand shooting cylinder upper cover plate is arranged on the direct sand shooting cylinder, and a hole for the sand channel closing rod to pass through and an auxiliary air flow channel are formed in the sand shooting cylinder upper cover plate.

And the upper end of the pore closed rod plate is connected with a profiling oil cylinder arranged on the top plate.

And, a central core is installed in the lower top ring, the central core is fixed on a central core guide plate, and the central core guide plate is movably sleeved on the four top ring link rods.

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 auxiliary airflow of this device makes the molding sand inject the sand box perpendicularly from the top, and the way is short, and the resistance is little, and horizontal distribution is even.

3. The sand-jetting and sand-filling device is compact in advance, high in sand-filling speed, high in production efficiency, small in sand consumption and attractive in forming, and the thickness of a sand mold can be adjusted according to needs.

4. The height positions of the lower top ring 15 and the central core 16 of the device can be adjusted, so that the molding sand compression ratio of each region is similar, the molding hardness is uniform, the hardness after actual molding is similar, and no sand scraping or sand scattering is needed before and after molding.

5. The utility model discloses a 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.

6. The device is of a four-column type press machine structure, each action is controlled by an independent oil cylinder, the pressure, the speed and the initial position are convenient to adjust, and the device is simple in structure, stable and reliable.

Drawings

FIG. 1 is a schematic view of the sand box of the present invention before closing;

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

FIG. 3 is a schematic view of the position of the present invention during sand shooting;

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 bottom beam, 2 forming lower top plate, 3 forming guide pillars, 15 lower top ring, 16 middle core, 17 sand storage cylinder, 18 sand storage cylinder guide plate, 19 middle core guide plate, 20 sand storage cylinder connecting rod, 21 top ring connecting rod, 22 pore channel closing rod plate, 23 mould mounting plate, 24 sand shooting hole closing rod, 25 sand shooting cylinder upper cover plate, 26 side-entering direct sand shooting cylinder, 27 mould, 28 sand box and 35 top beam.

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-entry vertical sand shooting lower box female die forming device is of a four-column type press structure, a bottom beam 1 and a top beam 35 are arranged at intervals up and down, four forming guide pillars 3 are fixedly arranged at four corners between the bottom beam and the top beam to form a basic frame structure, the top beam and the bottom beam serve as mounting bases of all forming oil cylinders, profiling oil cylinders are mounted on the top beam, and three groups of oil cylinders (not shown in the figure) are mounted on the bottom beam;

a mould mounting plate 23 is fixedly arranged on the upper parts of the four forming guide columns, a mould 27 is arranged at the lower end of the mould mounting plate, a lateral-inlet direct sand cylinder 26 is fixedly arranged above the mould mounting plate, a sand cylinder upper cover plate 25 is arranged on the direct sand cylinder, and a hole for a sand channel closing rod to pass through and an auxiliary air flow channel (not numbered in the figure) are formed in the sand cylinder upper cover plate; a pore sealing rod plate 22 is movably sleeved on the forming guide pillar above the upper cover plate, the upper end of the pore sealing rod plate is connected with a profiling oil cylinder arranged on the top plate and can move under the driving of the profiling oil cylinder, a group of sand channel sealing rods 24 are fixedly arranged at the lower end of the pore sealing rod plate, and through holes for the sand channel sealing rods to pass through are formed in the die mounting plate opposite to the sand channel sealing rods.

The lower parts of the four forming guide pillars are provided with a forming lower top plate 2 through guide sleeve loops, the upper end of the forming lower top plate is fixed with a lower top ring 15 through four top ring link rods 21, the outer loop of the lower top ring is provided with a sand storage barrel 17, the lower end of the sand storage barrel is fixedly provided with a sand storage barrel guide plate 18 through four sand storage barrel connecting rods 20, the sand storage barrel guide plate is arranged on the four top ring link rods 21 through the guide sleeve loops, and the sand storage barrel can move up and down; mounted within the lower top ring is a central core 16, the central core 16 being secured to a central core guide plate 19 which is movably mounted on four top ring links 21.

A sand box 28 is provided between the sand storage cylinder 17 and the mold 27.

The action process is briefly described as follows:

before molding, the sand box 28 is sent between the mold 27 and the sand storage barrel 17 by a loading and unloading mechanism (not shown in the figure), the centers of the sand box and the sand storage barrel are aligned, three groups of oil cylinders (not shown in the figure) arranged on the bottom beam 1 respectively push the molding lower top plate 2, the lower top ring 15, the sand storage barrel 17 and the central core 16 to ascend, the sand box 28 is supported until the upper surface of the sand box is contacted with the lower surface of the mold mounting plate 23, meanwhile, the sand shooting hole closing rod 24 is driven by the oil cylinders to ascend to a fixed position, a sand shooting channel on the mold mounting plate is opened, and the mold 27, the mold fixing plate 23, the sand box 28, the lower top ring 15, the sand storage barrel 17 and;

molding sand enters the direct injection sand cylinder 26 from the side, the sand cylinder is heated at the side opening and then is injected into the sand box through the through holes uniformly distributed on the die fixing plate 23 under the guidance of auxiliary air flow, a profiling oil cylinder (not shown in the figure) pushes the sealing rod plate 22 to drive a group of sand channel sealing rods 24 to descend to be flush with the lower surface of the die fixing plate 23, and then the oil cylinder arranged on the bottom beam 1 pushes the forming lower top plate 2, the lower top ring 15 and the central core 16 to ascend again to finish the molding;

after the molding is finished, three groups of oil cylinders arranged on the bottom beam 1 respectively pull the molded lower top plate 2, the lower top ring 15, the sand storage cylinder 17 and the central core 16 to descend, meanwhile, the profiling oil cylinders push the sealing rod plate 22 to drive the sand channel sealing rods 24 to continuously descend to realize the demolding, and the molding box falls onto a loading and unloading mechanism trolley after the demolding.

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

The positions of the lower top ring 15 and the middle core 16 can be adjusted through a touch screen of the PLC control system during sand shooting, so that the local sand adding amount is changed, and the sand shooting device is suitable for different product requirements.

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 (5)

1. The utility model provides a side is gone into and is penetrated sand lower box die forming device perpendicularly which characterized in that: the bottom beam and the top beam are arranged at intervals up and down, four forming guide pillars are fixedly arranged at four corners between the bottom beam and the top beam to form a frame structure, a mould mounting plate is fixedly arranged at the upper parts of the four forming guide pillars, a mould is mounted at the lower end of the mould mounting plate, a side-in direct injection sand cylinder is fixedly arranged above the mould mounting plate, a pore passage sealing rod plate is movably sleeved on the forming guide pillars above the side-in direct injection sand cylinder, a group of sand passage sealing rods are fixedly arranged at the lower end of the pore passage sealing rod plate, and through holes are formed in the mould mounting plate opposite to the sand passage sealing rods;

the lower top plate is formed by movably sleeving the lower parts of four forming guide pillars, a lower top ring is fixedly installed at the upper end of the formed lower top plate, a sand storage cylinder is installed outside the lower top ring in a movable sleeving manner, a sand storage cylinder guide plate is fixedly installed at the lower end of the sand storage cylinder through four sand storage cylinder connecting rods, the sand storage cylinder guide plate is movably sleeved on the four top ring connecting rods, and a sand box is arranged between the sand storage cylinder and a mold.

2. The side entry vertical shooting lower box female die molding device according to claim 1, characterized in that: the top beam is provided with a profiling oil cylinder, and the bottom beam is provided with three groups of oil cylinders.

3. The side entry vertical shooting lower box female die molding device according to claim 1, characterized in that: the direct sand shooting cylinder is provided with a sand shooting cylinder upper cover plate, and the sand shooting cylinder upper cover plate is provided with a hole for the sand channel sealing rod to pass through and an auxiliary air flow channel.

4. The side entry vertical shooting lower box female die molding device according to claim 1, characterized in that: the upper end of the pore closed rod plate is connected with a profiling oil cylinder arranged on the top plate.

5. The side entry vertical shooting lower box female die molding device according to claim 1, characterized in that: the lower top ring is internally provided with a central core which is fixed on a central core guide plate, and the central core guide plate is movably sleeved on four top ring link rods.

Images