Molding machine with rotary workbench

Abstract

The utility model discloses a molding machine with a rotary workbench. The molding machine is characterized by comprising a rotary mechanism, a sand shooting mechanism and a motorized roller way, mold opening and closing mechanisms are symmetrically arranged on the rotating mechanism; the sand shooting mechanism and the motorized roller way are arranged in parallel; the rotating mechanism is located between the sand shooting mechanism and the motorized roller way, one mold opening and closing mechanism on the rotating mechanism is located below the sand shooting mechanism, and the other mold opening and closing mechanism on the rotating mechanism is connected with the motorized roller way. According to the utility model, the processed iron mold on one side is solidified, and sand shooting processing is carried out on the iron mold on the other side, so that the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a molding machine with a rotary worktable, belonging to the technical field of molding machines. Background Art

[0002] Iron mold sand casting is a special casting, in which a thin layer of coated sand is coated on the inner cavity of the metal mold to form a casting. Iron mold sand casting has the characteristics of energy saving, material saving, high efficiency, high quality, and green production. The cavity of the iron mold sand casting generally uses a sand coating molding machine to complete the sand coating molding of the iron mold.

[0003] For example, the Chinese utility model patent with the authorization announcement number CN211161794U discloses a sand-shooting iron mold and sand-covering molding machine, and specifically discloses an upper beam, a column, a base, an iron mold conveying roller, a model workbench, a model workbench lifting cylinder, a sand-shooting and sand-covering device, a sand-shooting head workbench, and a sand-shooting head workbench lifting cylinder for lifting the sand-shooting and sand-covering device. The upper beam is connected to the base through a column, the iron mold conveying roller is fixed on the column, the model workbench is connected to the model workbench lifting cylinder, the model workbench lifting cylinder is installed on the upper beam, the sand-shooting and sand-covering device adopts a bottom-mounted structure, the sand-shooting head of the sand-shooting device is installed on the sand-shooting head workbench, the sand-shooting head workbench is connected to the sand-shooting head workbench lifting cylinder, and the sand-shooting head workbench lifting cylinder is fixed on the base. This type of molding machine usually shares a workstation for sand-shooting and curing, so it is necessary to wait for the iron mold to leave after the curing is completed before the new iron mold can enter the molding machine for sand-shooting. Due to the long curing time, the molding efficiency will be affected, and even the production efficiency of the entire production line will be affected. Utility Model Content

[0004] The purpose of the utility model is to provide a molding machine with a rotating worktable. The utility model performs sandblasting processing on the iron mold on the other side while the iron mold processed on one side is solidified, thereby improving production efficiency.

[0005] The technical solution of the utility model is a molding machine with a rotating worktable, characterized in that it includes a rotating mechanism, a sand shooting mechanism and a motorized roller; the rotating mechanism is symmetrically provided with a mold opening and closing mechanism; the sand shooting mechanism and the motorized roller are arranged in parallel; the rotating mechanism is located between the sand shooting mechanism and the motorized roller, and one of the mold opening and closing mechanisms on the rotating mechanism is located below the sand shooting mechanism, and the other mold opening and closing mechanism is connected to the motorized roller.

[0006] The above-mentioned molding machine with a rotating worktable, the rotating mechanism includes a circular rotating base, a circular rotating platform is rotatably connected above the rotating base, a first disc through hole is provided at the center of the rotating platform; a second disc through hole is provided at the center of the rotating base, the second disc through hole is the same as the first disc through hole and overlaps in the vertical direction.

[0007] The molding machine with the aforementioned rotary table, wherein the mold opening and closing mechanism includes multiple mold opening and closing legs fixed to the rotating end of the rotating mechanism. A mold opening and closing base is connected between the upper parts of the mold opening and closing legs. Hydraulic cylinders are symmetrically arranged on the mold opening and closing base. The extending end of the hydraulic cylinder is connected to a worktable, and a mold is fixedly connected above the worktable. A plurality of guide rods are installed under the worktable, and the guide rods are slidably connected to the mold opening and closing base.

[0008] The molding machine with the aforementioned rotary table, wherein a plurality of support rods are provided on the mold opening and closing base, and a mold opening and closing roller path is fixedly connected to the upper part of the support rods. An iron mold is arranged on the mold opening and closing roller path.

[0009] The molding machine with the aforementioned rotary table, wherein the mold opening and closing roller path includes a first sub-roller path and a second sub-roller path. The first sub-roller path is arranged at one end close to the rotation center of the rotating mechanism. The second sub-roller path is arranged at one end far from the rotation center of the rotating mechanism.

[0010] The molding machine with the aforementioned rotary table, wherein the length of the first sub-roller path is greater than the length of the second sub-roller path. The two ends of the first sub-roller path and the second sub-roller path do not extend beyond the outside of the rotating mechanism in the vertical direction.

[0011] The molding machine with the aforementioned rotary table, wherein the sand shooting mechanism includes multiple columns. One of the columns passes through the center of the rotating mechanism and is fixedly connected to the ground, and the remaining columns are located outside the rotating mechanism. A connecting upper beam is fixedly connected between the upper ends of the columns. A sand hopper is arranged above the upper beam. Sand shooting heads are symmetrically arranged below the upper beam, and the sand shooting heads are communicated with the sand hopper. Air bags are symmetrically arranged above the upper beam on both sides of the sand hopper, and the air outlet of the air bag is communicated with the air inlet of the sand shooting head.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, the iron mold to be processed is transported to the mold opening and closing mechanism through the motor-driven roller path, and then the rotating mechanism rotates clockwise by 180°. The iron mold on this side is rotated to the lower part of the sand shooting mechanism. The mold opening and closing mechanism closes the mold for this iron mold, and then the sand shooting mechanism shoots sand at it. After sand shooting, the iron mold is left to stand for curing. At the same time, the motor-driven roller path transports the newly needed iron mold to the mold opening and closing mechanism on the other side. The rotating mechanism rotates counterclockwise by 180°, and the mold opening and closing mechanism and the sand shooting mechanism repeat the above operations for the newly needed iron mold to be processed. After the iron mold is cured, the mold opening and closing mechanism opens the mold, and then the iron mold is conveyed from the mold opening and closing roller path to one side of the motor-driven roller path, and the motor-driven roller path on the other side transports the iron mold to be processed to the mold opening and closing roller path for cyclic processing, thereby improving production efficiency.

[0014] 2. The mold opening and closing mechanism of the present utility model raises the workbench through a hydraulic cylinder, causing the mold on the workbench to rise and contact the iron mold for mold closing. After the sand shooting process is completed, the workbench is lowered through the hydraulic cylinder. The iron mold lands on the mold opening and closing roller path and cannot descend, while the mold continues to descend, thereby separating the mold from the iron mold and achieving the effect of mold opening. The guide rod is used for guiding during the lifting and lowering of the workbench to improve the stability of the workbench lifting and lowering. Brief Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic structural diagram of the rotation mechanism and the mold opening and closing mechanism;

[0017] Figure 3 is a schematic structural diagram of the sand shooting mechanism.

[0018] The reference signs in the drawings are: 1 - rotation mechanism, 11 - rotation base, 12 - rotation platform, 13 - first disc through-hole, 14 - second disc through-hole, 2 - mold opening and closing mechanism, 21 - mold opening and closing support leg, 22 - mold opening and closing base, 23 - hydraulic cylinder, 24 - workbench, 25 - guide rod, 26 - mold, 27 - mold opening and closing roller path, 271 - first sub-roller path, 272 - second sub-roller path, 28 - iron mold, 29 - support rod, 3 - sand shooting mechanism, 31 - column, 32 - upper beam, 33 - sand hopper, 34 - sand shooting head, 35 - air bag, 4 - motorized roller path. Detailed Embodiment

[0019] The present utility model will be further described below in conjunction with the drawings and embodiments, but it shall not be used as a basis for limiting the present utility model.

[0020] Embodiment: A molding machine with a rotating workbench is configured as Figures 1-3 shown, including a rotation mechanism 1, a sand shooting mechanism 3, and a motorized roller path 4; the rotation mechanism 1 is symmetrically provided with a mold opening and closing mechanism 2; the sand shooting mechanism 3 and the motorized roller path 4 are arranged in parallel; the rotation mechanism 1 is located between the sand shooting mechanism 3 and the motorized roller path 4, and one of the mold opening and closing mechanisms 2 on the rotation mechanism 1 is located below the sand shooting mechanism 3, and the other mold opening and closing mechanism 2 is connected to the motorized roller path 4.

[0021] Preferably, as Figure 2As shown, the rotation mechanism 1 includes a circular rotation base 11. Above the rotation base 11, a circular rotation platform 12 is rotatably connected. At the center of the rotation platform 12, there is a first disc through-hole 13; at the center of the rotation base 11, there is a second disc through-hole 14, which is the same as the first disc through-hole 13 and coincides vertically. The rotation mechanism 1 rotates the rotation platform 12 through the rotation base 11, so that the mold opening and closing mechanism 2 and the mold opening and closing roller path 27 on the rotation platform 12 rotate. The second disc through-hole 14 and the first disc through-hole 13 are used to facilitate the arrangement of hydraulic pipelines and various lines, and enable the support part of the sand shooting mechanism 3 to pass through and connect to the ground.

[0022] Preferably, as Figure 2 shown, the mold opening and closing mechanism 2 includes a plurality of mold opening and closing legs 21 fixed to the rotating end of the rotation mechanism 1. Between the upper parts of the mold opening and closing legs 21, a mold opening and closing base 22 is connected. Hydraulic cylinders 23 are symmetrically arranged on the mold opening and closing base 22. The extending end of the hydraulic cylinder 23 is connected to a workbench 24. Above the workbench 24, a mold 26 is fixedly connected; a plurality of guide rods 25 are installed under the workbench 24, and the guide rods 25 are slidably connected to the mold opening and closing base 22. A plurality of support rods 29 are provided on the mold opening and closing base 22. The upper part of the support rod 29 is fixedly connected with a mold opening and closing roller path 27, and an iron mold 28 is arranged on the mold opening and closing roller path 27. The mold opening and closing mechanism 2 raises the workbench 24 through the hydraulic cylinder 23, so that the mold 26 on the workbench 24 rises to contact the iron mold 28, and mold closing is realized under the action of the gravity of the iron mold 28. After the sand shooting process is completed, the workbench 24 is lowered through the hydraulic cylinder 23. The iron mold 28 cannot descend on the mold opening and closing roller path 27, while the mold 26 continues to descend, so that the mold 26 is separated from the iron mold 28, realizing the effect of mold opening. The guide rods 25 are used for guiding during the lifting and lowering of the workbench 24, improving the stability of the lifting and lowering of the workbench 24.

[0023] Preferably, as Figure 2 shown, the mold opening and closing roller path 27 includes a first sub-roller path 271 and a second sub-roller path 272; the first sub-roller path 271 is arranged at one end close to the rotation center of the rotation mechanism 1; the second sub-roller path 272 is arranged at one end far from the rotation center of the rotation mechanism 1. The length of the first sub-roller path 271 is greater than the length of the second sub-roller path 272; the two ends of the first sub-roller path 271 and the second sub-roller path 272 do not extend beyond the outside of the rotation mechanism 1 in the vertical direction, so that the first sub-roller path 271 and the second sub-roller path 272 will not collide with the motorized roller path 4 during the rotation of the rotation mechanism 1.

[0024] Preferably, as Figure 3As shown in the figure, the sand shooting mechanism 3 includes multiple columns 31. One of the columns 31 passes through the center of the rotating mechanism 1 and is fixedly connected to the ground, and the remaining columns 31 are located outside the rotating mechanism 1. A connecting upper beam 32 is fixedly connected between the upper ends of the columns 31. A sand hopper 33 is arranged above the upper beam 32. Sand shooting heads 34 are symmetrically arranged below the upper beam 32, and the sand shooting heads 34 are communicated with the sand hopper 33. Air bags 35 are symmetrically arranged above the upper beam 32 on both sides of the sand hopper 33, and the air outlets of the air bags 35 are communicated with the air inlets of the sand shooting heads 34. The sand hopper 33 is used for storing a large amount of coated sand. The sand shooting heads 34 can prevent the sand from leaking down through the stacking angle. After the air bags 35 are connected to the air, under the pressure of the high-pressure gas, the sand will be ejected from the sand shooting heads 34 to complete sand shooting.

[0025] Working principle:

[0026] The iron mold 28 to be processed is transported to the mold opening and closing roller path 27 by the motorized roller path 4. Then, the rotating base 11 of the rotating mechanism 1 makes the rotating platform 12 rotate clockwise by 180°, and rotates the iron mold 28 on this side to the lower part of the sand shooting mechanism 3. The hydraulic cylinder 23 of the mold opening and closing mechanism 2 makes the workbench 24 rise. The mold 26 on the workbench 24 rises to contact the iron mold 28 and closes the mold under the action of the gravity of the iron mold 28. Then, the air bags 35 of the sand shooting mechanism 3 eject high-pressure gas, so that the sand shooting heads 34 eject the sand in the sand hopper 33 to shoot sand at the iron mold 28. After the sand shooting is completed, the iron mold 28 is left standing for curing. At the same time, the motorized roller path 4 transports the new iron mold 28 to be processed to the mold opening and closing roller path 27 on the other side. The rotating mechanism 1 rotates counterclockwise by 180°, and the mold opening and closing mechanism 2 and the sand shooting mechanism 3 repeat the above operations on the new iron mold 28 to be processed. After the iron mold 28 is cured, the hydraulic cylinder 23 of the mold opening and closing mechanism 2 descends. The iron mold 28 cannot descend on the mold opening and closing roller path 27, while the mold 26 continues to descend, so that the mold 26 is separated from the iron mold 28 to achieve the effect of mold opening. Then, the iron mold 28 is transported from the mold opening and closing roller path 27 to the motorized roller path 4 on one side, and the motorized roller path 4 on the other side transports the iron mold 28 to be processed to the mold opening and closing roller path 27 for cyclic processing, thereby improving production efficiency.

Claims

1. A molding machine with a rotating worktable, characterized in that: The invention comprises a rotating mechanism (1), a sand-shooting mechanism (3) and a motorized roller conveyor (4); the rotating mechanism (1) is symmetrically provided with a mold opening and closing mechanism (2); the sand-shooting mechanism (3) and the motorized roller conveyor (4) are arranged in parallel; the rotating mechanism (1) is located between the sand-shooting mechanism (3) and the motorized roller conveyor (4), and one of the mold opening and closing mechanisms (2) on the rotating mechanism (1) is located below the sand-shooting mechanism (3), and the other mold opening and closing mechanism (2) is connected to the motorized roller conveyor (4).

2. The molding machine with a rotary table according to claim 1, characterized in that: The rotating mechanism (1) comprises a circular rotating base (11), a circular rotating platform (12) is rotatably connected above the rotating base (11), a first disc through hole (13) is provided at the center of the rotating platform (12); a second disc through hole (14) is provided at the center of the rotating base (11), the second disc through hole (14) is the same as the first disc through hole (13) and overlaps in the vertical direction.

3. The molding machine with a rotary table according to claim 1, characterized in that: The mold opening and closing mechanism (2) comprises a mold opening and closing support leg (21) fixed on the rotating end of the rotating mechanism (1); a mold opening and closing base (22) is connected between the upper parts of the mold opening and closing support legs (21); the mold opening and closing base (22) is symmetrically provided with hydraulic cylinders (23); the extended ends of the hydraulic cylinders (23) are connected to a workbench (24); a mold (26) is fixedly connected to the upper part of the workbench (24); a plurality of guide rods (25) are arranged under the workbench (24); the guide rods (25) are slidably connected to the mold opening and closing base (22).

4. The molding machine with a rotary table according to claim 3, characterized in that: The mold opening and closing base (22) is provided with a plurality of support rods (29), the upper part of the support rods (29) is fixedly connected with a mold opening and closing roller (27), and the mold opening and closing roller (27) is provided with an iron mold (28).

5. The molding machine with a rotary table according to claim 4, characterized in that: The mold opening and closing roller (27) comprises a first auxiliary roller (271) and a second auxiliary roller (272); the first auxiliary roller (271) is arranged at an end close to the rotation center of the rotating mechanism (1); and the second auxiliary roller (272) is arranged at an end far from the rotation center of the rotating mechanism (1).

6. The molding machine with a rotary table according to claim 5, characterized in that: The length of the first auxiliary roller (271) is greater than the length of the second auxiliary roller (272); and both ends of the first auxiliary roller (271) and the second auxiliary roller (272) do not extend beyond the outside of the rotating mechanism (1) in the vertical direction.

7. The molding machine with a rotary table according to claim 1, characterized in that: The sand-shooting mechanism (3) comprises a plurality of columns (31), one of which passes through the center of the rotating mechanism (1) and is fixedly connected to the ground, and the remaining columns (31) are located outside the rotating mechanism (1); an upper beam (32) is fixedly connected between the upper ends of the columns (31), and a sand bucket (33) is arranged above the upper beam (32); a sand-shooting head (34) is symmetrically arranged below the upper beam (32), and the sand-shooting head (34) is connected to the sand bucket (33); and air bags (35) are symmetrically arranged above the upper beam (32) and located on both sides of the sand bucket (33), and the air outlet of the air bag (35) is connected to the air inlet of the sand-shooting head (34).

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