CN112404365A

CN112404365A - Mechanized casting device

Info

Publication number: CN112404365A
Application number: CN202011285123.6A
Authority: CN
Inventors: 蔡凤生
Original assignee: Changtai County Hongsheng Machinery Manufacturing Co ltd
Current assignee: Changtai County Hongsheng Machinery Manufacturing Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-26

Abstract

The invention discloses a mechanized casting device, which comprises a rotary switching mechanism, a sand box and a first clamping part, wherein the sand box is arranged on the rotary switching mechanism from top to bottom, the first clamping part is arranged on the side edge of the rotary switching mechanism, and the rotary switching mechanism can carry out rotary switching on the top and bottom positions of the sand box; the sand box comprises a connecting portion and a necking portion, the connecting portion is connected with the rotating switching mechanism, the necking portion is connected to the lower portion of the connecting portion, a rotating box plate with side openings and side hole plugging is arranged on the side wall of the connecting portion, the rotating box plate is rotatably connected with the necking portion, and a first sand leakage hole and a plugging device for plugging the first sand leakage hole are arranged below the necking portion. Compared with the prior art, the automatic casting machine can realize automatic casting, recycles the molding sand, saves the casting preparation time, greatly improves the casting efficiency and reduces the labor cost.

Description

Mechanized casting device

Technical Field

The invention relates to the field of casting equipment, in particular to a mechanized casting device.

Background

The full-mold casting is a casting method that a polystyrene foaming plastic mold is adopted to replace a common mold, molten metal is poured without taking out the mold after the molding is finished, the plastic mold is burnt, gasified and disappeared under the action of the molten metal, the molten metal replaces the space position occupied by the original plastic mold, and a required casting is obtained after cooling and solidification.

The existing solid casting mainly comprises the steps of putting a pattern into a sand box through manual carrying, adding molding sand for pouring, and pouring the casting liquid to be cooled and then pouring the molding sand completely. Then, the poured molding sand needs to be added into the sand box again through manpower during casting, so that long preparation time is needed, and the casting efficiency is low; in addition, manual operation not only increases labor cost, but also is easy to cause safety accidents.

In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.

Disclosure of Invention

The invention mainly aims to provide a mechanical casting device which can realize automatic casting, recycle molding sand, save casting preparation time, greatly improve casting efficiency and reduce labor cost.

In order to achieve the above purpose, the solution of the invention is:

a mechanized casting device comprises a rotary switching mechanism, a sand box and a first clamping part, wherein the sand box is vertically arranged on the rotary switching mechanism, the first clamping part is arranged on the side edge of the rotary switching mechanism, and the rotary switching mechanism can rotationally switch the vertical position of the sand box; the sand box comprises a connecting portion and a necking portion, the connecting portion is connected with the rotating switching mechanism, the necking portion is connected to the lower portion of the connecting portion, a rotating box plate with side openings and side hole plugging is arranged on the side wall of the connecting portion, the rotating box plate is rotatably connected with the necking portion, and a first sand leakage hole and a plugging device for plugging the first sand leakage hole are arranged below the necking portion.

Furthermore, the rotary switching mechanism comprises a base, rotary rods which are rotatably connected are arranged on two sides of the base, and two ends of each rotary rod are respectively rotatably connected with the sand boxes; and the base is also provided with a rotation driving device for driving the rotating rod to rotate by 360 degrees.

Furthermore, the sand box is provided with guide grooves on two sides of the first sand leakage hole, the plugging device comprises a plugging plate and a translation driving device, two ends of the plugging plate are embedded into the guide grooves in a sliding connection mode, and the translation driving device drives the plugging plate to move horizontally along the guide grooves.

Furthermore, the shutoff board is equipped with the shutoff strip that the first sand leakage hole of one-to-one set up along the translation direction, the second sand leakage hole has between the shutoff strip.

Furthermore, the plugging area of the plugging strip is larger than the sand leakage area of the first sand leakage hole.

Furthermore, the rotation driving device is a driving motor, and a power output shaft of the driving motor is connected with the middle part of the rotating rod.

Furthermore, a vibration motor is arranged on the sand box.

The sand box is characterized by further comprising a vacuumizing machine, wherein the vacuumizing machine is provided with an air exhaust hose and a hose translation driving device, the bottom of the sand box is provided with an air exhaust hole for the air exhaust hose to extend into, a one-way valve is arranged in the air exhaust hole, and the hose translation driving device drives the air exhaust hose to be close to or far away from the air exhaust hole.

Furthermore, the connection parts of the air exhaust hose and the air exhaust hole are respectively provided with heteropolar magnets.

Further, hose translation drive arrangement includes the direction slide rail that the level set up, with direction slide rail cooperation sliding connection's sliding bottom and the first drive cylinder body of drive sliding bottom translation, last clamp portion, upper clamp portion and the second drive cylinder body of being equipped with of sliding bottom, the upper end of clamp portion has down and presss from both sides the mouth down, the second drive cylinder body is established under on the clamp portion, the piston rod and the last clamp portion of second drive cylinder body, the lower extreme of going up clamp portion is equipped with and presss from both sides the mouth.

Further, the first clamping part comprises a first upright post, and a first clamping mechanism and a second clamping mechanism which are arranged on the first upright post up and down.

Further, the first clamping mechanism comprises a first clamping jaw and a first manipulator for driving the first clamping jaw to move; the second clamping mechanism comprises a second clamping jaw and a second manipulator driving the second clamping jaw to move.

Furthermore, be equipped with the first mount table and the second mount table of horizontal extension convex on the first stand, the top at the second mount table is established to first mount table, first manipulator is installed on first mount table, the second manipulator is installed on the second mount table.

Further, the first clamping jaw and the second clamping jaw are pneumatic clamping jaws.

Further, the film clamping device comprises a film frame and a second clamping part for clamping the film frame, wherein the second clamping part comprises a second upright post, and a third clamping mechanism which is arranged on the second upright post and moves up and down along the second upright post is used for clamping the film frame, and the third clamping mechanism comprises a third manipulator and a third clamping jaw.

Furthermore, the third clamping jaw comprises a horizontal plate and clamping heads which are connected with two ends of the horizontal plate in a sliding mode.

Further, the second stand still includes the third mount table that the level set up, the second stand is equipped with the vertical direction spout that extends, third mount table embedding direction spout sliding connection, the third manipulator is installed on the third mount table.

Further, still include pouring mechanism, pouring mechanism includes pouring hopper and drive pouring hopper removal and pivoted fourth manipulator.

After the structure is adopted, the invention relates to a mechanical casting device, and when the mechanical casting device works, two sand boxes are respectively arranged up and down correspondingly. The first sand leaking hole of the lower sand box is blocked, the rotating box plate is adjusted to open the side opening, the first clamping part is used for clamping a pattern, the pattern is horizontally moved and placed into the lower sand box, then the rotating box plate is adjusted to close the side opening, the molding sand is added for burying, then the pouring liquid is poured into the molding sand to gasify the pattern, and after the pouring liquid is cooled and molded, the rotating switching mechanism drives the sand box to rotate and switch the upper position and the lower position. After the position switching of the upper sand box and the lower sand box is completed, the first sand leaking hole of the lower sand box is blocked, the rotating box plate is adjusted to open the side opening, the first clamping part clamps the mold sample and horizontally moves to place the mold sample into the lower sand box, then the rotating box plate is adjusted to close the side opening, then the first sand leaking hole of the upper sand box is opened, the molding sand in the upper sand box completely leaks into the lower sand box, then the upper sand box adjusts the rotating box plate to open the side opening, the first clamping part takes out the casting in the upper sand box, meanwhile, the pouring liquid is poured into the lower sand box, after the pouring liquid is cooled and formed, the rotating switching mechanism continues to switch the positions of the upper sand box and the lower sand box, and the actions and the steps are repeated.

Compared with the prior art, the invention switches the positions of the upper sand box and the lower sand box through the rotary switching mechanism, and the upper sand box takes the casting to leak the sand and the lower sand box carries out sand burying casting at the same time, so that the sand pouring and sand burying are carried out simultaneously, the preparation time of the sand pouring and sand burying is greatly saved, the casting preparation time is saved, and the casting efficiency is greatly improved. In addition, can also carry out cyclic utilization to the molding sand, reduce the molding sand loss, practice thrift casting cost to need not to carry and arrange in order the molding sand, simplify the casting step, further improve casting efficiency.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention.

Fig. 2 is a perspective view of another external structure of the present invention.

FIG. 3 is a perspective view showing the outline structure of the flask.

FIG. 4 is a perspective view of the bottom structure of the flask.

Fig. 5 is a partially enlarged view of the area a in fig. 1.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

As shown in fig. 1 to 5, a mechanized casting apparatus includes a rotary switching mechanism 2, a flask 1 disposed on the rotary switching mechanism 2 in an up-and-down direction, and a first clamp unit 3 disposed on a side of the rotary switching mechanism 2, wherein the rotary switching mechanism 2 can rotationally switch an up-and-down position of the flask 1; the sand box 1 comprises a connecting portion 11 connected with the rotary switching mechanism 2 and a throat portion 12 connected below the connecting portion 11, a side opening 111 and a rotary box plate 112 for blocking the side opening are arranged on the side wall of the connecting portion 11, the rotary box plate 112 is rotatably connected with the throat portion 12, specifically, a hinge or a rotating shaft is arranged on the connecting portion 11 to realize the rotation of the rotary box plate 112 relative to the throat portion 12, and a first sand leakage hole 13 and a blocking device 14 for blocking the first sand leakage hole 13 are arranged below the throat portion 12.

After adopting above-mentioned structure, during operation, two sand boxes 1 correspond the setting from top to bottom respectively. The first sand leaking hole 13 of the lower sand box 1 is blocked, the rotating box plate 112 is adjusted to open the side opening 111, the first clamping part 3 is used for clamping a pattern to move horizontally and put into the lower sand box 1, then the rotating box plate 112 is adjusted to close the side opening 111, molding sand is added for burying, then pouring liquid is poured into the molding sand to gasify the pattern, and after the pouring liquid is cooled and molded, the rotating switching mechanism 2 is driven to rotate and switch the upper position and the lower position of the sand box 1. After the position switching of the upper and lower sand boxes 1 is completed, the first sand leaking hole 13 of the lower sand box 1 is blocked, the rotary box plate 112 is adjusted to open the side opening 111, the clamping pattern is horizontally moved by the first clamping unit 3 and put into the lower flask 1, and then the side opening 111 is closed by adjusting the rotary box plate 112, then the first sand leaking hole 13 of the upper sand box 1 is opened to make the molding sand in the upper sand box 1 completely leak to the lower sand box 1, then the upper flask 1 adjusts the rotary box plate 112 to open the side opening 111, the first clamp 3 takes out the casting in the upper flask 1, pouring the pouring liquid into the lower sand box 1, after the pouring liquid is cooled and formed, rotating the switching mechanism 2 to continue to switch the positions of the upper sand box 1 and the lower sand box 1, and repeating the actions and the steps, specifically, the first clamping part 3 can adopt a pneumatic or hydraulic cylinder body to be matched with a pneumatic clamping jaw to clamp the pattern and the casting.

Compared with the prior art, the invention switches the positions of the upper sand box 1 and the lower sand box 1 by rotating the switching mechanism 2, and the upper sand box 1 takes the casting to leak sand and simultaneously the lower sand box 1 carries out sand burying casting, so that the sand pouring and sand burying are carried out simultaneously, the preparation time of the sand pouring and sand burying is greatly saved, the casting preparation time is saved, and the casting efficiency is greatly improved. In addition, can also carry out cyclic utilization to the molding sand, reduce the molding sand loss, practice thrift casting cost to need not to carry and arrange in order the molding sand, simplify the casting step, further improve casting efficiency.

Preferably, the rotation switching mechanism 2 comprises a base 21, rotation rods 22 which are rotatably connected are arranged on two sides of the base 21, and two ends of each rotation rod 22 are respectively rotatably connected with the sand box 1; the base 21 is further provided with a pivot driving device 23 for driving the pivot lever 22 to pivot 360 degrees. With this structure, the rotation driving device 23 can drive the rotation rod 22 to rotate, so as to adjust the position of the sand box 1.

More preferably, the base 21 is further provided with a fastening device, the fastening device includes a fastening cylinder and a fastening plate, the fastening cylinder is horizontally disposed on the base 21, a piston rod of the fastening cylinder is connected with the fastening plate, and the fastening cylinder drives the fastening plate to be attached to the rotating rod 22. When the sand box is poured or buried, the fastening cylinder drives the fastening plate to abut against the rotating rod 22, thereby preventing the rotating rod 22 from automatically swinging.

Preferably, the sand box 1 is provided with guide grooves on two sides of the first sand leaking hole 13, the blocking device 14 comprises a blocking plate 141 and a translation driving device 142, two ends of the blocking plate 141 are embedded into the guide grooves in a sliding connection mode, so that the blocking plate 141 slides more stably, and the translation driving device 142 drives the blocking plate 141 to perform repeated horizontal movement along the guide grooves, so as to block and open the first sand leaking hole 13.

Preferably, the blocking plate 141 is provided with blocking strips 143 corresponding to the first sand leakage holes 13 one by one along the translation direction, and second sand leakage holes 144 are formed between the blocking strips 143. By adopting the structure, when the first sand leakage hole 13 is blocked, the translation driving device 142 drives the blocking strip 143 to translate to the position below the first sand leakage hole 13 so as to block the first sand leakage hole 13; when the first sand leaking hole 13 is opened, the translation driving device 142 drives the second sand leaking hole 144 to move to the lower part of the first sand leaking hole 13, so that the molding sand leaks out of the second sand leaking hole 144.

Preferably, the blocking area of the blocking strip 143 is larger than the sand leaking area of the first sand leaking hole 13. By adopting the structure, the plugging performance of the plugging strip 143 is effectively improved, and the leakage of molding sand is prevented.

Preferably, the rotation driving device 23 is a driving motor, and a power output shaft of the driving motor is connected with the middle part of the rotating rod 22, so that the rotating rod 22 rotates more stably.

Preferably, the sand box 1 is provided with a vibration motor 15. By adopting the structure, when sand is buried, the vibrating motor 15 vibrates the sand box 1, so that the molding sand continuously vibrates downwards to bury gaps, a pattern is more tightly buried, and the pouring quality is improved; when leaking sand, vibrating motor 15 vibrates sand box 1, improves the seepage speed of molding sand, further improves work efficiency.

Preferably, the vacuum extractor 4 is provided with an air suction hose 41 and a hose translation driving device, the bottom of the sand box 1 is provided with an air suction hole 16 into which the air suction hose 41 extends, a one-way valve is arranged in the air suction hole 16, and the hose translation driving device drives the air suction hose 41 to be close to or far away from the air suction hole 16. By adopting the structure, after sand is buried, the hose translation driving device drives the air exhaust hose 41 to be inserted into the air exhaust hole 16, so that air in the sand box 1 is exhausted, molding sand in the sand box 1 forms negative pressure, the filling of the molding sand is more tight, the filling and feeding of pouring liquid are more facilitated, and the tissue density of a casting is improved. And a one-way valve is arranged in the air pumping hole 16, so that air can only be discharged but not enter, and the leakage-proof performance of the sand box 1 is improved.

Preferably, the suction hose 41 and the suction hole 16 are provided with heteropolar magnets at their junctions, respectively. By adopting the structure, the pumping hose is more easily embedded into the air suction hole 16 and is more closely connected, the air suction effect of the air suction hose 41 is effectively improved, and the working efficiency is further improved.

Preferably, the hose translation driving device comprises a horizontally arranged 42, a sliding base 43 in sliding connection with the horizontally arranged 42, and a first driving cylinder for driving the sliding base 43 to translate, wherein the sliding base 43 is provided with a lower clamping portion 44, an upper clamping portion 45 and a second driving cylinder 46, the upper end of the lower clamping portion 44 is provided with a lower clamping opening, the second driving cylinder 46 is arranged on the lower clamping portion 44, a piston rod of the second driving cylinder 46 is connected with the upper clamping portion 45, and the lower end of the upper clamping portion 45 is provided with an upper clamping opening. With this structure, the second driving cylinder 46 drives the upper clamp 45 to descend to approach the lower clamp 44 to clamp the suction hose 41, and the sliding base 43 is driven to move horizontally by the driving cylinder, so that the suction hose 41 approaches or moves away from the suction hole 16.

Preferably, the first gripping section 3 includes a first column 31, and a first gripping mechanism and a second gripping mechanism provided up and down on the first column 31. With this structure, the first gripper mechanism is used to take out the cast in the upper flask 1, and the second gripper mechanism is used to grip the pattern placed in the lower flask 1. Specifically, the first clamping mechanism and the second clamping mechanism can adopt a structure that a cylinder body is matched with a pneumatic clamping jaw, and the pneumatic clamping jaw is driven to move by the cylinder body to complete the clamping action.

Preferably, the first clamping mechanism comprises a first clamping jaw 32 for clamping the casting and a first manipulator 33 for driving the first clamping jaw 32 to move; the second gripping mechanism includes a second gripper 34 for gripping the pattern and a second robot 35 for driving the second gripper 34 to move. In this embodiment, first manipulator 33 and second manipulator 35 adopt six manipulators, have better motion flexibility, can realize getting the accurate clamp of foundry goods and pattern to adopt the manipulator to replace manual operation, can realize automated production, reduce the cost of labor, can reduce the incident emergence simultaneously.

Preferably, the first upright column 31 is provided with a first mounting table 311 and a second mounting table 312 which horizontally extend and protrude, the first mounting table 311 is arranged above the second mounting table 312, the first robot 33 is mounted on the first mounting table 311, and the second robot 35 is mounted on the second mounting table 312. With this structure, the first robot 33 and the second robot 35 are more firmly mounted.

Preferably, the first clamping jaw 32 and the second clamping jaw 34 are pneumatic clamping jaws, so that the structure is simple, and replacement and maintenance are convenient.

Preferably, the film frame device further comprises a film frame 5 and a second clamping part 6 for clamping the film frame 5, and the film plate is used for fixing the film. More specifically, can set up the pouring plate on the film frame 5, the both ends of pouring plate are connected with film frame 5, can correspond the position that sets up the pouring plate according to the position of the sprue gate of model to be equipped with the sprue gate on the pouring plate, the sprue gate aligns with the sprue gate, the upper end of sprue gate is equipped with the pouring nozzle, pour into casting liquid through the pouring nozzle during the pouring into inside sand box 1, prevent that casting liquid from spilling to the film surface and flowing and damaging the film, improve the reuse rate of film. And the pouring liquid forms and presss from both sides the pole section on the foundry goods after the pouring nozzle internal cooling, when getting the foundry goods, the second presss from both sides the portion 5 and takes out the film board now, and first clamping jaw 42 presss from both sides tight the pole section of pressing from both sides earlier, opens the first hourglass sand hole 11 of sand box 1 above, waits that most molding sand in the sand box 1 of top leaks to the sand box 1 of below after, and first clamp is got the mechanism and will be taken out gradually, reduces the time of looking for the foundry goods that turns over, further improves casting efficiency. The second gripping section 6 includes a second column 61, and a third gripping mechanism provided on the second column 61 and performing an elevating movement along the second column 61, the third gripping mechanism including a third manipulator 62 and a third gripper 63. Adopt this structure, when sand box 1 of below was filled with the molding sand evacuation, the third was got the mechanism and was removed to second stand 61 lower extreme, got the film board clamp and is placed on sand box 1 of below to fixed film board can be used to fixed film, makes the film cover molding sand inseparabler tight, improves the vacuum effect in sand box 1, thereby further improves pouring quality. When the casting is taken from the upper sand box 1, the third clamping mechanism moves to the upper end of the second upright post 61 to take out the film plate, so that the first clamping mechanism can conveniently clamp the casting. In this embodiment, third manipulator 62 is six manipulators, has better motion flexibility, can realize that the accurate clamp of film board is got to adopt the manipulator to replace the manual work to remove the film board, can realize automated production, reduce the cost of labor, can reduce the incident emergence simultaneously.

Preferably, the third jaw 63 includes a horizontal plate 631, and a clamp 632 slidably coupled to both ends of the horizontal plate 631. Specifically, the clamp 632 at both ends can be driven to move relatively by a pneumatic cylinder.

Preferably, the second upright post 61 further includes a third mounting platform 611 arranged horizontally, the second upright post 61 is provided with a guide sliding groove 612 extending vertically, the third mounting platform 611 is embedded in the guide sliding groove 612 to be connected in a sliding manner, and the third manipulator 62 is mounted on the third mounting platform 611, and specifically, the third mounting platform 611 can be driven to move up and down relative to the second upright post 61 by using a gear and a chain in a manner of being matched with a motor for driving. With this structure, the third robot 62 is more firmly mounted.

Preferably, the pouring mechanism 7 is further included, and the pouring mechanism 7 includes a pouring hopper 71 and a fourth robot 72 for driving the pouring hopper 71 to move and rotate, wherein in the embodiment, the fourth robot 72 is a six-axis robot. By adopting the structure, the fourth manipulator 72 clamps the pouring hopper 71 to pour the sand box 1 below, so that automatic production can be realized, the labor cost is reduced, and safety accidents can be reduced.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims

1. A mechanized casting device is characterized by comprising a rotary switching mechanism, a sand box and a first clamping part, wherein the sand box is arranged on the rotary switching mechanism from top to bottom, the first clamping part is arranged on the side edge of the rotary switching mechanism, and the rotary switching mechanism can be used for rotationally switching the top position and the bottom position of the sand box; the sand box comprises a connecting portion and a necking portion, the connecting portion is connected with the rotating switching mechanism, the necking portion is connected to the lower portion of the connecting portion, a rotating box plate with side openings and side hole plugging is arranged on the side wall of the connecting portion, the rotating box plate is rotatably connected with the necking portion, and a first sand leakage hole and a plugging device for plugging the first sand leakage hole are arranged below the necking portion.

2. The mechanized casting device of claim 1, wherein the rotary switching mechanism comprises a base, and rotating rods are rotatably connected to two sides of the base, and two ends of each rotating rod are rotatably connected to the sand boxes respectively; and the base is also provided with a rotation driving device for driving the rotating rod to rotate by 360 degrees.

3. The mechanized casting apparatus of claim 1, wherein the flask is provided with guide grooves at two sides of the first sand leaking hole, the blocking device comprises a blocking plate and a translational driving device, two ends of the blocking plate are inserted into the guide grooves in a sliding connection, and the translational driving device drives the blocking plate to move horizontally along the guide grooves.

4. A mechanized casting apparatus according to claim 3, wherein the blanking plate is provided with blanking strips in the translation direction in a one-to-one correspondence with the first sand leakage holes, and the blanking strips have second sand leakage holes therebetween.

5. The mechanized casting apparatus of claim 4, wherein the blocking area of the blocking strip is greater than the sand leakage area of the first sand leakage hole.

6. The mechanized casting apparatus of claim 2, wherein the rotation driving device is a driving motor, and a power output shaft of the driving motor is connected to a middle portion of the rotating shaft.

7. The mechanized casting apparatus of claim 1, wherein the flask is provided with a vibration motor.

8. The mechanized casting apparatus of claim 1, further comprising a vacuum pump having a suction hose and a hose translation drive, the bottom of the flask having a suction hole into which the suction hose extends, the suction hole having a one-way valve therein, the hose translation drive driving the suction hose toward or away from the suction hole.

9. The mechanized casting apparatus of claim 8, wherein the suction hose and the suction hole are provided with heteropolar magnets at their junctions, respectively.

10. The mechanized casting device of claim 8, wherein the hose translation driving device comprises a horizontally disposed guide rail, a sliding base slidably connected to the guide rail, and a first driving cylinder for driving the sliding base to translate, the sliding base is provided with a lower clamping portion, an upper clamping portion, and a second driving cylinder, the lower clamping portion has a lower clamping opening at an upper end thereof, the second driving cylinder is provided on the lower clamping portion, a piston rod of the second driving cylinder is connected to the upper clamping portion, and the upper clamping portion has an upper clamping opening at a lower end thereof.