阅读说明：本技术 一种自动化铸造设备 (Automatic change casting equipment ) 是由 蔡凤生 于 2020-11-17 设计创作，主要内容包括：本发明公开一种自动化铸造设备,其中,包括两个上下设置砂箱,砂箱的底部设有第一漏砂孔和对第一漏砂孔进行封堵的封堵装置,处于上述的砂箱的第一漏砂孔正对下方的砂箱；还包括对砂箱的上下位置进行切换的转动切换机构,转动切换机构包括底座,底座的两侧设有转动连接的转动杆,转动杆的两端分别与砂箱转动连接；底座上还设有驱动转动杆进行360度旋转的转动驱动装置。与现有技术相比,本发明能够实现自动化铸造,并对型砂进行循环利用,节省铸造准备时间,大大提高铸造效率,降低人工成本。(The invention discloses automatic casting equipment, which comprises two sand boxes arranged up and down, wherein the bottoms of the sand boxes are provided with a first sand leakage hole and a plugging device for plugging the first sand leakage hole; the sand box comprises a sand box body, a sand box body and a rotary switching mechanism, wherein the sand box body is provided with a sand box opening, the sand box opening is arranged at the bottom of the sand box body, the rotary switching mechanism is arranged at the top of the sand box body, the sand box opening is arranged at the bottom of the sand box body, the rotary switching mechanism is arranged at the bottom of; and a rotation driving device for driving the rotating rod to rotate by 360 degrees is further arranged on the base. 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.)

1. The automatic casting equipment is characterized by comprising two sand boxes which are arranged up and down, wherein the bottoms of the sand boxes are provided with first sand leakage holes and plugging devices for plugging the first sand leakage holes; the sand box comprises a sand box body, a sand box body and a rotary switching mechanism, wherein the sand box body is provided with a sand box opening, the sand box opening is arranged at the bottom of the sand box body, the rotary switching mechanism is used for switching the upper position and the lower position of the sand box body, the rotary switching mechanism comprises a base, rotary rods which are rotatably connected are arranged on two sides of the base; and the base is also provided with a rotation driving device for driving the rotating rod to rotate by 360 degrees.

2. The automated casting apparatus of claim 1, wherein the flask is provided with guide grooves on both sides of the first sand leaking hole, and the blocking device comprises a blocking plate and a translational driving device, wherein both ends of the blocking plate are slidably inserted into the guide grooves, and the translational driving device drives the blocking plate to move horizontally along the guide grooves.

3. The automated casting apparatus of claim 2, wherein the plugging plate is provided with plugging strips in a translational direction in a one-to-one correspondence with the first sand leakage holes, the plugging strips having second sand leakage holes therebetween.

4. The automated casting apparatus of claim 3, wherein the blocking area of the blocking strip is greater than the sand leakage area of the first sand leakage hole.

5. An automated casting apparatus according to claim 1, wherein the rotation driving means is a driving motor, and a power output shaft of the driving motor is connected to a middle portion of the rotating shaft.

6. An automated casting apparatus according to claim 1, wherein the flask is provided at a lower end thereof with a throat portion, an inner wall of the throat portion being inclined gradually toward a middle portion of the flask from top to bottom.

7. An automated casting apparatus according to claim 1, wherein the flask is provided with a vibration motor.

8. The automated casting apparatus of claim 1, further comprising a vacuum pump having a suction pipe, wherein the bottom of the flask has a suction hole into which the suction pipe extends, and wherein a check valve is provided in the suction hole.

9. The automated casting apparatus according to claim 1, further comprising a first clamp including a first column, and a first clamp and a second clamp vertically disposed on the first column.

10. An automated casting apparatus according to claim 9, wherein the first gripper mechanism comprises a first jaw and a first robot for moving the first jaw; the second clamping mechanism comprises a second clamping jaw and a second manipulator driving the second clamping jaw to move.

Technical Field

The invention relates to the technical field of casting equipment, in particular to automatic casting equipment.

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 automatic casting equipment 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:

an automatic casting device comprises two sand boxes which are arranged up and down, wherein the bottoms of the sand boxes are provided with first sand leakage holes and plugging devices for plugging the first sand leakage holes; the sand box comprises a sand box body, a sand box body and a rotary switching mechanism, wherein the sand box body is provided with a sand box opening, the sand box opening is arranged at the bottom of the sand box body, the rotary switching mechanism is used for switching the upper position and the lower position of the sand box body, the rotary switching mechanism comprises a base, rotary rods which are rotatably connected are arranged on two sides of the base; 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, the lower extreme of sand box is equipped with the throat, the inner wall of throat inclines to the middle part of sand box from top to bottom gradually.

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 pipe, the bottom of the sand box is provided with an air exhaust hole for the air exhaust pipe to extend into, and a one-way valve is arranged in the air exhaust hole.

Further, still wrap up first clamp and get the portion, first clamp is got the portion and is included first stand to and set up first clamp on first stand and get the mechanism and the second clamp is got the mechanism from top to bottom.

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.

The film plate clamping device further comprises a film plate and a second clamping part for clamping the film plate, wherein the second clamping part comprises a second upright post, and a third clamping mechanism and a fourth clamping mechanism which are vertically arranged on the second upright post.

Furthermore, the film plate comprises an outer frame and a pouring plate, two ends of the pouring plate are connected with the outer frame, a pouring hole is formed in the pouring plate, and a pouring nozzle is arranged at the upper end of the pouring hole.

Furthermore, a plurality of reinforcing plates are arranged inside the outer frame.

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

Furthermore, a third mounting table and a fourth mounting table which are horizontally extended and projected are arranged on the second upright column, the third mounting table is arranged above the fourth mounting table, the third mechanical arm is arranged on the third mounting table, and the fourth mechanical arm is arranged on the fourth mounting table.

Further, the third clamping jaw and the fourth clamping jaw are pneumatic clamping jaws.

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

After the structure is adopted, the invention relates to automatic casting equipment, wherein the rotating rod is in a vertical state during working, and the two sand boxes are respectively arranged in an up-and-down corresponding mode. The first sand leakage hole of the sand box below is blocked, the pattern is placed into the sand box below and the molding sand is added for burying, then the pouring liquid is poured into the molding sand to gasify the pattern, after the pouring liquid is cooled and formed, the driving device is rotated to drive the rotating rod to rotate clockwise for 180 degrees, and the positions of the sand boxes above and below are switched. After the positions of the upper and lower sand boxes are switched, the first sand leaking hole of the lower sand box is blocked, a pattern is placed in the lower sand box, then the first sand leaking hole of the upper sand box is opened, so that the molding sand in the upper sand box is completely leaked into the lower sand box, then a casting in the upper sand box is taken out, pouring liquid is poured into the lower sand box, after the pouring liquid is cooled and formed, the rotating driving device drives the rotating rod to rotate clockwise for 180 degrees, the positions of the upper and lower sand boxes are continuously switched, 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 at the same time, 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 perspective view of the outline structure of the thin film plate.

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. 1-5, an automatic casting apparatus comprises two sand boxes 1 arranged up and down, wherein the bottom of the sand box 1 is provided with a first sand leaking hole 11 and a blocking device 12 for blocking the first sand leaking hole 11, and the first sand leaking hole 11 of the sand box 1 is opposite to the upper opening of the sand box 1 below; the sand box comprises a sand box body, and is characterized by further comprising a rotary switching mechanism 2 for switching the upper position and the lower position of the sand box 1, wherein the rotary switching mechanism 2 comprises a base 21, rotary rods 22 which are rotatably connected are arranged on two sides of the base 21, and two ends of each rotary 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.

After the structure is adopted, the rotating rod 22 is in a vertical state during work, and the two sand boxes 1 are respectively arranged up and down correspondingly. The first sand leaking hole 11 of the lower sand box 1 is blocked, a pattern is placed in the lower sand box 1 and added with molding sand to be buried, then pouring liquid is poured into the molding sand to gasify the pattern, after the pouring liquid is cooled and formed, the driving device 23 is rotated to drive the rotating rod 22 to rotate clockwise by 180 degrees, and the positions of the upper sand box 1 and the lower sand box 1 are switched. After the position switching of the upper and lower sand boxes 1 is completed, the first sand leaking hole 11 of the lower sand box 1 is sealed, a pattern is put into the lower sand box 1, then the first sand leaking hole 11 of the upper sand box 1 is opened, so that the molding sand in the upper sand box 1 is completely leaked into the lower sand box 1, a casting in the upper sand box 1 is taken out, meanwhile, pouring liquid is poured into the lower sand box 1, after the pouring liquid is cooled and formed, the rotating driving device 23 drives the rotating rod 22 to rotate clockwise by 180 degrees, the position of the upper and lower sand boxes 1 is continuously switched, and the actions and the steps are repeated.

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 the sand and the lower sand box 1 carries out sand burying casting at the same time, so that the sand pouring and sand burying are carried out at the same time, 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.

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 equipped with the guide way in the both sides of first hourglass sand hole 11, and plugging device 12 includes shutoff board 121 and translation drive arrangement 122, and the both ends embedding guide way sliding connection of shutoff board 121 makes the slip of shutoff board 121 more steady, and is concrete, and translation drive arrangement 122 is the cylinder, and translation drive arrangement 122 drive shutoff board 121 carries out horizontal motion repeatedly along the guide way to shutoff and opening first hourglass sand hole 11.

Preferably, the plugging plate 121 is provided with plugging strips 123 corresponding to the first sand leakage holes 11 one by one along the translation direction, and second sand leakage holes 124 are formed between the plugging strips 123. By adopting the structure, when the first sand leakage hole 11 is blocked, the translation driving device 122 drives the blocking strip 123 to translate to the position below the first sand leakage hole 11 so as to block the first sand leakage hole 11; when the first sand leaking hole 11 is opened, the translation driving device 122 drives the second sand leaking hole 124 to move to the lower part of the first sand leaking hole 11 so as to make the molding sand leak from the second sand leaking hole 124.

Preferably, the blocking area of the blocking strip 123 is larger than the sand leaking area of the first sand leaking hole 11. By adopting the structure, the plugging performance of the plugging strip 123 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 lower extreme of sand box 1 is equipped with throat 13, and the inner wall of throat 13 from top to bottom inclines to the middle part of sand box 1 gradually, adopts this structure, makes the molding sand in sand box 1 move to first hourglass sand hole 11 more easily.

Preferably, the sand box 1 is provided with a vibration motor 14. By adopting the structure, when sand is buried, the vibrating motor 14 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 14 vibrates sand box 1, improves the seepage speed of molding sand, further improves work efficiency.

Preferably, the device also comprises a vacuumizing machine 3, wherein the vacuumizing machine 3 is provided with an air exhaust pipe, the bottom of the sand box 1 is provided with an air exhaust hole 15 for the air exhaust pipe to extend into, and a one-way valve is arranged in the air exhaust hole 15. Adopt this structure, bury the sand after, insert the exhaust tube in exhaust hole 15, take out the air in the sand box 1 for the molding sand in the sand box 1 forms the negative pressure, and the molding sand landfill is more tight, more is favorable to pouring the type and the feeding of liquid, improves the tissue density of foundry goods. And a one-way valve is arranged in the air exhaust hole 15, so that air can only be exhausted but not enter, and the leakage-proof performance of the sand box 1 is improved.

Preferably, the first gripping section 4 is further enclosed, and the first gripping section 4 includes a first upright 41, and a first gripping mechanism and a second gripping mechanism provided up and down on the first upright 41. By adopting the structure, the first clamping mechanism is used for clamping out the casting in the sand box 1 above, the second clamping mechanism is used for clamping the pattern in the sand box 1 below, and particularly, 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 by the cylinder body to move to complete the clamping action.

Preferably, the first gripping mechanism comprises a first clamping jaw 42 for gripping the casting and a first manipulator 43 for driving the first clamping jaw 42 to move; the second gripping mechanism includes a second gripper 44 for gripping the pattern and a second robot 45 for driving the second gripper 44 to move. In this embodiment, first manipulator 43 and second manipulator 45 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 41 is provided with a first mounting table 411 and a second mounting table 412 which horizontally extend and protrude, the first mounting table 411 is arranged above the second mounting table 412, the first robot 43 is mounted on the first mounting table 411, and the second robot 45 is mounted on the second mounting table 412. With this structure, the first robot arm 43 and the second robot arm 45 are more firmly mounted.

Preferably, the first clamping jaw 42 and the second clamping jaw 44 are pneumatic clamping jaws, so that the structure is simple, and replacement and maintenance are convenient.

Preferably, the film plate clamping device further comprises a film plate 6 and a second clamping part 5 for clamping the film plate 6, wherein the film plate 6 is used for fixing the film, the second clamping part 5 comprises a second upright post 51, and a third clamping mechanism and a fourth clamping mechanism which are arranged on the second upright post 51 up and down and used for clamping the film plate 6, the third clamping mechanism is used for clamping the film plate 6 in the upper sand box 1, and the fourth clamping mechanism is used for adding the film plate 6 into the sand box 1 fixed below. By adopting the structure, when the sand box 1 below is vacuumized, the film plate 6 is clamped by the fourth clamping mechanism and placed in the sand box 1 below, and the fixed film plate can be used for fixing a film, so that the film covering type sand is more compact and tight, the vacuum effect in the sand box 1 is improved, and the pouring quality is further improved. More specifically, the third clamping mechanism and the fourth clamping mechanism can adopt a structure that a cylinder body is matched with a pneumatic clamping jaw, and the cylinder body drives the pneumatic clamping jaw to move to complete the clamping action.

Preferably, the film plate 6 comprises an outer frame 61 and a pouring plate 62, the outer frame 61 can be embedded into the sand box 1, the outer side face of the outer frame 61 abuts against the inner side wall of the sand box 1, and the film plate 6 is connected more firmly. The two ends of the pouring plate 62 are connected with the outer frame 61, the position of the pouring plate 62 can be correspondingly arranged according to the position of the pouring port of the pattern, a pouring hole is formed in the pouring plate 62 and is aligned with the pouring port, the upper end of the pouring hole is provided with a pouring nozzle 63, pouring liquid is injected into the sand box 1 through the pouring nozzle 63 during pouring, the situation that the pouring liquid is splashed to the surface of the film to flow to damage the film is prevented, and the repeated utilization rate of the film is improved. And the pouring liquid forms a clamping rod section on the casting after being cooled in the pouring nozzle 63, when the casting is taken, the second clamping part 5 takes out the film plate, the first clamping jaw 42 clamps the clamping rod section firstly, the first sand leaking hole 11 of the sand box 1 above the first clamping jaw is opened, after most of the molding sand in the sand box 1 above the first clamping jaw leaks to the sand box 1 below the first clamping jaw, the first clamping mechanism is taken out gradually, the time for finding the casting is shortened, and the casting efficiency is further improved.

Preferably, a plurality of reinforcing plates 64 are further provided inside the outer frame 61, and the reinforcing plates 64 are used for reinforcing the structural strength of the outer frame 61.

Preferably, the third gripping mechanism includes a third jaw 52 and a third manipulator 53 for driving the third jaw 52 to move; the fourth gripping mechanism includes a fourth gripper 54 and a fourth robot 55 that drives the fourth gripper 54 to move. The third jaw 52 and the fourth jaw 54 are used to grip the nozzle 63 for gripping the moving film plate 6. In this embodiment, third manipulator 53 and fourth manipulator 55 adopt six manipulators, have better motion flexibility, can realize that the accurate clamp of film plate 6 is got to adopt the manipulator to replace the manual work to remove film plate 6, can realize automated production, reduce the cost of labor, can reduce the incident emergence simultaneously.

Preferably, the second upright 51 is provided with a third mounting table 511 and a fourth mounting table 512 which horizontally extend and protrude, the third mounting table 511 is arranged above the fourth mounting table 512, the third robot 53 is mounted on the third mounting table 511, and the fourth robot 55 is mounted on the fourth mounting table 512. With this structure, the third robot 53 and the fourth robot 55 are more firmly mounted.

Preferably, the third clamping jaw 52 and the fourth clamping jaw 54 are pneumatic clamping jaws, so that the structure is simple, and replacement and maintenance are convenient.

Preferably, the pouring mechanism 7 is further included, the pouring mechanism 7 includes a pouring hopper 71 and a fifth manipulator 72 for driving the pouring hopper 71 to move and rotate, the fifth manipulator 72 is arranged at the side of the two columns, and in this embodiment, the fifth manipulator 72 is a six-axis manipulator. By adopting the structure, the pouring hopper 71 is clamped by the fifth manipulator 72 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.