Waste taking-out mechanism of die-casting machine

Abstract

The utility model discloses a waste take-out mechanism of a die-casting machine, which comprises a fixed die, one side of the fixed die is connected with a sliding plate in a sliding mode, one side of the upper end of the sliding plate is connected with a rotating frame in a rotating mode, and one side of the rotating frame is provided with a special-shaped groove in a penetrating mode. The movable mold is pulled through the air cylinder on the die-casting machine, a die-cast casting is attached to the cavity wall of the movable mold, the first pulling frame slides in the sliding frame, when the first pulling frame slides to the top, the middle mold is driven to move, the fixed mold is separated from the middle mold, waste in an injection molding pipe is attached to the interior of the pouring channel, and the second pulling frame pulls the rotating frame; the special-shaped groove in the rotating frame slides along the sliding column, the sliding plate slides in the fixed die, the ejector pin ejects waste in the fixed die out, the second pulling frame, the rotating frame and the first pulling frame are matched with the sliding frame, an air cylinder on the die-casting machine can be used for driving the movable die, the middle die and the sliding plate to move, and therefore a driving mechanism is omitted, the maintenance time is shortened, and the die-casting efficiency is improved. And the production efficiency of the die-casting machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting machines, in particular to a waste material taking-out mechanism of a die-casting machine. Background Art

[0002] The die-casting machine hydraulically injects molten metal into a mold under pressure, and takes shape after cooling. A solid metal casting can be obtained after the mold is opened. However, waste will appear when producing solid metal castings. Therefore, a waste removal mechanism is installed on the die-casting machine to remove the waste and prevent the waste from affecting the production of castings by the die-casting machine.

[0003] In the prior art, for example, Chinese patent CN213288625U discloses a waste removal mechanism of a die-casting machine, comprising: a machine body, a movable mold, a fixed mold, a middle mold, a middle mold opening mechanism, a material ejection mechanism and a manipulator. The movable mold is provided with a movable mold cavity; the fixed mold is provided with a pouring channel on the end surface close to the movable mold; the middle mold is movably arranged between the fixed mold and the movable mold, and the middle mold is provided with an injection hole; the middle mold can be molded with the fixed mold, and the pouring channel can be connected with the injection hole; the movable mold can be molded with the middle mold, and the injection hole can be connected with the movable mold cavity; the demolding direction of the injection hole is opposite to the opening direction of the movable mold; the middle mold opening mechanism is used to separate the middle mold from the fixed mold; the material ejection mechanism is used to eject the waste in the pouring channel; the manipulator is used to remove the waste ejected from the pouring channel.

[0004] However, in the above patent, although the cooperation between the middle die opening mechanism, the middle die and the ejecting mechanism can realize the automatic separation of waste and finished products and the automatic removal of waste, thereby saving labor costs, after long-term use, if one of the driving devices of the die opening mechanism and the ejecting mechanism is damaged, the waste of the die-casting machine cannot be removed, thereby affecting the production efficiency of the die-casting machine. Utility Model Content

[0005] The purpose of the utility model is to provide a waste removal mechanism for a die casting machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste removal mechanism of a die-casting machine, comprising a fixed mold, a sliding plate slidably connected to one side of the fixed mold, a rotating frame rotatably connected to one side of the upper end of the sliding plate, a special-shaped groove is penetrated on one side of the rotating frame, a sliding column is fixedly connected to one side of the upper end of the fixed mold, the outer side wall of the sliding column is slidably connected to the inner wall of the special-shaped groove, a pulling frame 2 is movably connected to one side of the special-shaped groove, a middle mold is fixedly connected to one side of the pulling frame 2, a pulling frame 1 is fixedly connected to the middle part of the upper end of the middle mold, a pulling frame 1 is slidably connected to the sliding frame on the outer side wall of the pulling frame 1, and a movable mold is fixedly connected to one side of the sliding frame.

[0007] As a further preferred embodiment of the present technical solution, guide rods are fixedly connected at the four corners of one side of the fixed mold, the outer side walls of the guide rods are respectively slidably connected to the inner walls of the movable mold and the middle mold, and one end of the four guide rods is fixedly connected to a mounting plate.

[0008] As a further preferred embodiment of the present technical solution, a fixing rod is fixedly connected to one side of the middle mold, a return spring 1 is sleeved on one side of the outer wall of the fixing rod, one end of the fixing rod is slidably connected to one side of the inner wall of the fixed mold, a return spring 2 is sleeved on the other side of the outer wall of the fixing rod, and the other end of the fixing rod is slidably connected to one side of the inner wall of the movable mold.

[0009] As a further preferred embodiment of the present technical solution, one side of the fixed mold is fixedly connected to an injection tube, one side of the outer wall of the injection tube is slidably connected to the middle of the sliding plate, and one side of the middle mold is penetrated by a plurality of injection holes.

[0010] As a further preferred embodiment of the present technical solution, a plurality of ejector pins are fixedly connected to one side of the sliding plate, and outer side walls of the plurality of ejector pins are slidably connected to the inner wall of the fixed mold.

[0011] The utility model provides a waste removal mechanism for a die casting machine, which has the following beneficial effects:

[0012] (1) The utility model uses the cylinder on the die-casting machine to pull the movable mold, and the die-cast casting adheres to the cavity wall of the movable mold. The pulling frame 1 slides in the sliding frame. When it slides to the top, it drives the middle mold to move, separates the fixed mold from the middle mold, and the waste in the injection tube will adhere to the pouring channel. The pulling frame 2 pulls the rotating frame. The special-shaped groove in the rotating frame slides along the sliding column, so that the sliding plate slides in the fixed mold, and the ejector pin ejects the waste in the fixed mold. The cooperation between the pulling frame 2, the rotating frame and the pulling frame 1 and the sliding frame can use the cylinder on the die-casting machine to drive the movable mold, the middle mold and the sliding plate to move, thereby reducing the driving mechanism, reducing the maintenance time, and improving the production efficiency of the die-casting machine.

[0013] (2) The utility model can make the movable die, the middle die and the fixed die more tightly closed by the reaction force of the return spring 1 and the return spring 2 when the movable die, the middle die and the fixed die are closed, thereby improving the qualified rate of the die-casting products. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure during the use of the utility model;

[0016] Figure 3 for Figure 2 A partial enlarged schematic diagram of the middle A area;

[0017] Figure 4 It is a schematic diagram of the explosion structure of the utility model;

[0018] In the figure: 1. fixed mold; 2. middle mold; 3. movable mold; 4. mounting plate; 5. guide rod; 6. ejector pin; 7. sliding plate; 8. injection tube; 9. sliding frame; 10. pulling frame 1; 11. fixed rod; 12. reset spring 1; 13. reset spring 2; 14. sliding column; 15. special-shaped groove; 16. pulling frame 2; 17. rotating frame; 18. injection hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in this embodiment, a waste removal mechanism of a die-casting machine includes a fixed mold 1, a sliding plate 7 is slidably connected to one side of the fixed mold 1, a rotating frame 17 is rotatably connected to the upper end of the sliding plate 7, a special-shaped groove 15 is penetrated on one side of the rotating frame 17, a sliding column 14 is fixedly connected to one side of the upper end of the fixed mold 1, the outer wall of the sliding column 14 is slidably connected to the inner wall of the special-shaped groove 15, a pulling frame 2 16 is movably connected to one side of the special-shaped groove 15, a middle mold 2 is fixedly connected to one side of the pulling frame 2 16, a pulling frame 10 is fixedly connected to the middle part of the upper end of the middle mold 2, a sliding frame 9 is slidably connected to the outer wall of the pulling frame 10, a movable mold 3 is fixedly connected to one side of the sliding frame 9, and a cylinder on the die-casting machine pulls the movable mold 3. The movable mold 3 and the die-cast casting are attached to the cavity wall of the movable mold 3. The pulling frame 10 slides in the sliding frame 9. When it slides to the top, it drives the middle mold 2 to move and separates the fixed mold 1 from the middle mold 2. The waste in the injection tube 8 will be attached to the pouring channel. The pulling frame 16 pulls the rotating frame 17. The special-shaped groove 15 in the rotating frame 17 slides along the sliding column 14, so that the sliding plate 7 slides in the fixed mold 1, and the ejector pin 6 ejects the waste in the fixed mold 1. The cooperation between the pulling frame 16, the rotating frame 17, the pulling frame 10 and the sliding frame 9 can use the cylinder on the die-casting machine to drive the movable mold 3, the middle mold 2 and the sliding plate 7 to move, thereby reducing the driving mechanism, reducing the maintenance time, and improving the production efficiency of the die-casting machine.

[0021] like Figure 1 , Figure 2 and Figure 4 As shown, guide rods 5 are fixedly connected at the four corners of one side of the fixed mold 1, and the outer walls of the guide rods 5 are slidably connected to the inner walls of the movable mold 3 and the middle mold 2 respectively. One end of the four guide rods 5 is fixedly connected to a mounting plate 4. The movable mold 3 and the middle mold 2 can be guided by the guide rods 5 to prevent misalignment among the fixed mold 1, the middle mold 2, and the movable mold 3, thereby improving the qualified rate of the product.

[0022] like Figure 1 , Figure 2 and Figure 4 As shown, a fixing rod 11 is fixedly connected to one side of the middle mold 2, a return spring 12 is sleeved on one side of the outer wall of the fixing rod 11, one end of the fixing rod 11 is slidably connected to one side of the inner wall of the fixed mold 1, a return spring 2 13 is sleeved on the other side of the outer wall of the fixing rod 11, and the other end of the fixing rod 11 is slidably connected to one side of the inner wall of the movable mold 3. When the movable mold 3, the middle mold 2 and the fixed mold 1 are closed, the reaction force of the return spring 12 and the return spring 2 13 can make the movable mold 3, the middle mold 2 and the fixed mold 1 closed more tightly, thereby improving the qualified rate of the die-casting products.

[0023] like Figure 4 As shown, one side of the fixed mold 1 is fixedly connected to an injection tube 8, one side of the outer wall of the injection tube 8 is slidably connected to the middle of the sliding plate 7, and one side of the middle mold 2 is penetrated by a plurality of injection holes 18. Through the cooperation of the injection tube 8 and the injection holes 18, raw materials can be injected into the fixed mold 1 and the middle mold 2.

[0024] like Figure 1 and Figure 4 As shown, a plurality of ejector pins 6 are fixedly connected to one side of the sliding plate 7, and the outer side walls of the plurality of ejector pins 6 are slidably connected to the inner wall of the fixed mold 1, and the waste materials in the fixed mold 1 and the injection tube 8 can be ejected through the ejector pins 6.

[0025] The utility model provides a waste removal mechanism for a die casting machine, and the specific working principle is as follows:

[0026] When producing castings, first turn on the cylinder on the die-casting machine, close the movable mold 3, the middle mold 2 and the fixed mold 1, and then inject the raw materials into the fixed mold 1 and the middle mold 2 through the injection tube 8, wait for the raw materials to cool, turn on the cylinder, and the die-cast casting adheres to the cavity wall of the movable mold 3. The pulling frame 10 slides in the sliding frame 9. When it slides to the top, it drives the middle mold 2 to move and separates the fixed mold 1 from the middle mold 2. The waste in the injection tube 8 will adhere to the pouring channel. The pulling frame 2 16 pulls the rotating frame 17. The special-shaped groove 15 in the rotating frame 17 slides along the sliding column 14, so that the sliding plate 7 slides in the fixed mold 1, and the ejector 6 ejects the waste in the fixed mold 1. At the same time, the waste is taken out by a robot, and the casting is also taken out at the same time.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste removal mechanism for a die casting machine, comprising a fixed die (1), characterized in that: A sliding plate (7) is slidably connected to one side of the fixed mold (1), and a rotating frame (17) is rotatably connected to one side of the upper end of the sliding plate (7). A special-shaped groove (15) is penetrated through one side of the rotating frame (17). A sliding column (14) is fixedly connected to one side of the upper end of the fixed mold (1). The outer wall of the sliding column (14) is slidably connected to the inner wall of the special-shaped groove (15). A pulling frame 2 (16) is movably connected to one side of the special-shaped groove (15). A middle mold (2) is fixedly connected to one side of the pulling frame 2 (16). A pulling frame 1 (10) is fixedly connected to the middle part of the upper end of the middle mold (2). A sliding frame (9) is slidably connected to the outer wall of the pulling frame 1 (10), and a movable mold (3) is fixedly connected to one side of the sliding frame (9).

2. The waste removal mechanism of a die casting machine according to claim 1, characterized in that: Guide rods (5) are fixedly connected at four corners of one side of the fixed mold (1), and the outer side walls of the guide rods (5) are slidably connected to the inner walls of the movable mold (3) and the middle mold (2), respectively. One end of the four guide rods (5) is fixedly connected to a mounting plate (4).

3. The waste removal mechanism of a die casting machine according to claim 1, characterized in that: A fixing rod (11) is fixedly connected to one side of the middle mold (2); a return spring (12) is sleeved on one side of the outer wall of the fixing rod (11); one end of the fixing rod (11) is slidably connected to one side of the inner wall of the fixed mold (1); a return spring (13) is sleeved on the other side of the outer wall of the fixing rod (11); and the other end of the fixing rod (11) is slidably connected to one side of the inner wall of the movable mold (3).

4. The waste removal mechanism of a die casting machine according to claim 1, characterized in that: One side of the fixed mold (1) is fixedly connected to an injection tube (8), one side of the outer wall of the injection tube (8) is slidably connected to the middle part of the sliding plate (7), and one side of the middle mold (2) is penetrated by a plurality of injection holes (18).

5. The waste removal mechanism of a die casting machine according to claim 1, characterized in that: A plurality of ejector pins (6) are fixedly connected to one side of the sliding plate (7), and the outer side walls of the plurality of ejector pins (6) are all slidably connected to the inner wall of the fixed mold (1).

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