Exhaust structure of die-casting die

Abstract

The utility model relates to the technical field of die-casting die exhaust, in particular to a die-casting die exhaust structure which comprises a die-casting die body, a base is fixedly connected to the upper side of the die-casting die body, a lower die is fixedly arranged on the upper side of the base, and two first grooves are formed in the bottom end in the lower die. First sealing plug rods used for exhausting are installed in the two first grooves in a sliding mode, and first springs are fixedly connected between the two first sealing plug rods and the lower die together. According to the high-heat-quantity gas discharging device, the two sealing plug rods with elasticity are driven to move downwards through rotation of the cam rod, and therefore high-heat-quantity gas can be discharged in a split-flow mode; according to the die-casting die exhaust structure, high-heat gas does not need to be exhausted at a time, workers are prevented from being scalded by the high-heat gas, safety is good, meanwhile, the high-heat gas can enter the heat storage box along the gas conveying pipeline and the second pipeline to be stored so that the high-heat gas can be recycled, and the resource utilization rate can be achieved through the die-casting die exhaust structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting die exhaust technology field, concretely is a kind of die casting die exhaust structure. BACKGROUND

[0002] Die casting die exhaust structure refers to in mould design, by setting exhaust structure, gas in mould can be quickly discharged, to avoid the defects such as blowhole, shrinkage in casting, ensure the compactness and quality of die casting.

[0003] Prior art discloses patent application number "CN202022464756.5", a kind of die casting die exhaust structure, including die casting die base and die casting die cover body, the bottom end middle part of the die casting die base is fixedly connected with bottom support rod, and the bottom end of bottom support rod is fixedly connected on bottom bracket, the top end of bottom bracket is all welded with first spring, and the end of first spring away from bottom bracket is all welded in the bottom end of die casting die base, the first spring is all around the outer wall of bottom support rod, and the periphery of die casting die base is all provided with first slot, the right side top end of die casting die base is fixedly connected with first connecting block.

[0004] The die casting die exhaust structure can only discharge gas to improve the quality of die casting, but in actual use, the die casting die often discharges high-temperature gas at one time during use, and it is easy to scald the worker when the high-temperature gas is discharged, so the safety is poor, and the high-temperature gas is directly discharged to the outside, so the heat cannot be recycled and utilized, thereby causing waste of heat and inconvenience to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of die casting die exhaust structure, to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A kind of die casting die exhaust structure, including die casting die main body, the upper side of die casting die main body is fixedly connected with base, the upper side of base is fixedly provided with lower mould, the bottom end of lower mould inside is provided with two first recesses, the inside of two first recesses is slidably installed with the sealing plug rod one for exhaust, two sealing plug rod one and lower mould are fixedly connected with spring one between one;

[0008] The lower mold has two first vent holes that communicate with the first groove. Each of the two first vent holes is fixedly equipped with a first one-way valve. A base plate is fixedly installed on the lower side of the sealing plug rod. A protruding plate is fixedly connected to the upper middle part of the base plate. A connecting plate is fixedly connected to the lower side of the lower mold. A cam rod is rotatably installed on the front side of the connecting plate. The cam rod and the protruding plate are in contact with each other. A heat storage box is fixedly connected to the upper side of the die-casting mold body.

[0009] Preferably, two symmetrically distributed arc-shaped mounting seats are fixedly connected to the upper side of the base. Gas supply pipes and exhaust pipes are fixedly installed on the upper side of the two arc-shaped mounting seats. A first pipe is fixedly connected to each other between the two gas supply pipes and the exhaust pipes. A first valve is fixedly installed on one side of each of the two first pipes. A second pipe is fixedly connected to the rear side of each of the two gas supply pipes and communicates with it. A second valve is fixedly installed on one side of each of the two second pipes. The lower side of the two second pipes is connected to the interior of the heat storage box.

[0010] Preferably, four vertical rods are fixedly installed on the upper side of the die-casting mold body, a top plate is fixedly connected to the upper side of the four vertical rods, a hydraulic rod is fixedly installed inside the top plate, an upper mold is fixedly connected to the lower side of the hydraulic rod, and L-shaped sliders are fixedly connected to both ends of the upper mold. The outer surfaces of the four vertical rods are slidably connected to the interior of the L-shaped sliders.

[0011] Preferably, the upper mold has two symmetrically distributed second grooves inside, and a sealing plug rod for venting is slidably installed inside each of the two second grooves. A spring is fixedly connected to each of the two sealing plug rods and the upper mold. The upper mold has two second vent holes communicating with the second grooves inside, and a second one-way valve is fixedly installed inside each of the two second vent holes. A third pipe is fixedly installed on the upper side of each of the two second one-way valves. A flexible hose is fixedly connected between each of the two third pipes and the second pipe. A reinforcing plate is fixedly installed between each of the two third pipes and the upper mold.

[0012] Preferably, one side of the sealing plug rod 2 penetrates through the upper mold and extends to one side of the upper mold, and a first wedge block is fixedly installed on one side of both sealing plug rods 2, and a second wedge block is fixedly connected to both ends of the lower mold.

[0013] Preferably, one end of the first vent hole passes through the lower mold and extends to one side of the lower mold, the lower side of the sealing plug rod passes through the lower mold and extends to the lower side of the lower mold, the rear side of the cam rod passes through the connecting plate and extends to the rear side of the connecting plate, and a servo motor is fixedly connected to the rear side of the cam rod through the motor mounting plate.

[0014] The beneficial effects of this utility model are:

[0015] 1. The utility model discloses a cam lever is rotated and is driven with the elasticity two sealing plug rods move down, high heat gas can be shunted and discharged in this way, need not discharge high heat gas one time, avoid high heat gas scalds staff, safety is good, and high heat gas can also enter the heat storage tank along the gas pipeline and second pipeline and be stored, in order to carry out recycling of high heat gas, let die exhaust structure can realize the utilization of resources;

[0016] 2. The utility model discloses the lowering of the upper die lets two second wedge blocks can extrude two first wedge blocks, and the relative motion of two sealing plug rods with elasticity is carried out, to further realize the exhaust of high heat gas, improve the exhaust effect of die exhaust structure, and can also be stored in the heat storage tank. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings;

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the utility model Figure 1 First recess and sealing plug rod one's installation schematic diagram in the utility model;

[0020] Figure 3 It is the utility model Figure 2 Gas pipeline and exhaust pipe's installation schematic diagram in;

[0021] Figure 4 It is the utility model Figure 2 Sealing plug rod one and spring one's structure schematic diagram in;

[0022] Figure 5 It is the utility model Figure 2 Third pipeline and second pipeline's installation schematic diagram in;

[0023] Figure 6 It is the utility model Figure 4 Lug and cam lever's installation schematic diagram in;

[0024] Figure 7 It is the utility model Figure 5 Sealing plug rod two and spring two's structure schematic diagram in;

[0025] The reference signs in the drawing are as follows:

[0026] 1. Die-casting mold body; 2. Base; 3. Lower mold; 4. First vent hole; 5. First groove; 6. Sealing plug rod one; 7. Spring one; 8. First one-way valve; 9. Base plate; 10. Protruding plate; 11. Connecting plate; 12. Cam rod; 13. Servo motor; 14. Heat storage box; 15. Arc-shaped mounting seat; 16. Gas supply pipe; 17. Exhaust pipe; 18. First pipe; 19. First valve; 20. Second pipe; 21. Second valve; 22. Vertical rod; 23. Top plate; 24. Hydraulic rod; 25. Upper mold; 26. L-shaped slider; 27. Second vent hole; 28. Second one-way valve; 29. ​​Sealing plug rod two; 30. First wedge block; 31. Spring two; 32. Second wedge block; 33. Third pipe; 34. Reinforcing plate; 35. Hose; 66. Second groove. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1 to 7 As shown, a die-casting mold venting structure includes a die-casting mold body 1, a base 2 fixedly connected to the upper side of the die-casting mold body 1, a lower mold 3 fixedly provided on the upper side of the base 2, two first grooves 5 are opened at the bottom inside the lower mold 3, and a sealing plug rod 6 for venting is slidably installed inside the two first grooves 5. By setting the sealing plug rod 6, the first groove 5 can be sealed by the sealing plug rod 6. A spring 7 is fixedly connected to the two sealing plug rods 6 and the lower mold 3.

[0029] The lower mold 3 has two first exhaust holes 4 that communicate with the first groove 5. Each of the two first exhaust holes 4 is fixedly equipped with a first one-way valve 8. The first one-way valve 8 allows the high-heat gas to only exit and not enter, preventing gas backflow. A base plate 9 is fixedly installed on the lower side of the sealing plug rod 6. A protruding plate 10 is fixedly connected to the upper middle part of the base plate 9. A connecting plate 11 is fixedly connected to the lower side of the lower mold 3. A cam rod 12 is rotatably installed on the front side of the connecting plate 11. The cam rod 12 and the protruding plate 10 are in contact with each other. A heat storage box 14 is fixedly connected to the upper side of the die-casting mold body 1. The high-heat gas in the heat storage box 14 can be recovered and reused later.

[0030] The upper side of the base 2 is fixedly connected with two symmetrically distributed arc-shaped mounting seats 15, the upper side of each of the two arc-shaped mounting seats 15 is fixedly installed with a gas conveying pipeline 16 and an exhaust pipeline 17, and the two gas conveying pipelines 16 and the exhaust pipeline 17 are fixedly connected with a first pipeline 18 in communication with each other, one side of each of the two first pipelines 18 is fixedly provided with a first valve 19, the rear side of each of the two gas conveying pipelines 16 is fixedly connected with a second pipeline 20 in communication therewith, one side of each of the two second pipelines 20 is fixedly provided with a second valve 21, and the lower side of each of the two second pipelines 20 is in through connection with the inside of the heat storage tank 14.

[0031] The upper side of the die casting mold body 1 is fixedly installed with four vertical rods 22 respectively, the upper side of each of the four vertical rods 22 is fixedly connected with a top plate 23, the inside of the top plate 23 is fixedly provided with a hydraulic rod 24, the lower side of the hydraulic rod 24 is fixedly connected with an upper mold 25, both ends of the upper mold 25 are fixedly connected with L-shaped sliding blocks 26, the outer surfaces of the four vertical rods 22 are in sliding connection with the insides of the L-shaped sliding blocks 26, and through the installation and use of the vertical rods 22 and the L-shaped sliding blocks 26, the four L-shaped sliding blocks 26 can be in sliding connection on the four vertical rods 22, so that the upper mold 25 can move up and down stably.

[0032] The inside of the upper mold 25 is provided with two symmetrically distributed second grooves 66, the inside of each of the two second grooves 66 is slidingly installed with a sealing plug rod two 29 for exhaust, a spring two 31 in communication with the upper mold 25 is fixedly connected between each of the two sealing plug rod twos 29 and the upper mold 25, the inside of the upper mold 25 is provided with two second exhaust holes 27 in communication with the second grooves 66, each of the two second exhaust holes 27 is fixedly provided with a second one-way valve 28, the second one-way valve 28 can allow high-temperature gas to only exit but not enter, so as to realize the exhaust of high-temperature gas, the upper side of each of the two second one-way valves 28 is fixedly provided with a third pipeline 33, a flexible pipe 35 in communication with each of the two third pipelines 33 and the second pipeline 20 is fixedly provided therebetween, and a reinforcing plate 34 is fixedly installed between each of the two third pipelines 33 and the upper mold 25.

[0033] One side of each of the two sealing plug rod twos 29 penetrates through the upper mold 25 and extends to one side of the upper mold 25, a first wedge block 30 is fixedly installed on one side of each of the two sealing plug rod twos 29, a second wedge block 32 is fixedly connected to both ends of the lower mold 3, through the installation and use of the first wedge block 30 and the second wedge block 32, the second wedge block 32 can extrude the first wedge block 30, so that the sealing plug rod two 29 with elasticity can be moved and adjusted to realize automatic exhaust.

[0034] One end of the first exhaust hole 4 penetrates through the lower mold 3 and extends to one side of the lower mold 3, the lower side of the sealing plug rod one 6 penetrates through the lower mold 3 and extends to the lower side of the lower mold 3, the rear side of the cam rod 12 penetrates through the connecting plate 11 and extends to the rear side of the connecting plate 11, and the rear side of the cam rod 12 is fixedly connected with a servo motor 13 through the motor mounting plate.

[0035] The working principle of the die-casting die exhaust structure is as follows:

[0036] When the die-casting die is used for forming work, the output shaft of the servo motor 13 can drive the cam rod 12 to rotate, at this time, the cam can extrude the lug 10 at the bottom plate 9, so as to pull the two sealing plug rods 6 provided with the spring 7 to move downward, so that the first recess 5 and the first exhaust hole 4 can be communicated, so that the high-temperature gas in the die-casting die can be discharged into the gas conveying pipeline 16 along the first exhaust hole 4 and the first one-way valve 8, and then the two first valves 19 are opened, so that the high-temperature gas can enter the first pipeline 18 and the exhaust pipeline 17, and then the pipe heads arranged on the two exhaust pipelines 17 are used for shunting and discharging, without discharging the high-temperature gas at one time, avoiding scalding of the workers by the high-temperature gas, and good safety, and then the two first valves 19 can be closed, and the two second valves 21 are opened, so that the high-temperature gas can enter the heat storage tank 14 along the gas conveying pipeline 16 and the second pipeline 20 and be stored, so as to recycle the high-temperature gas, and the die-casting die exhaust structure can realize utilization of heat resources;

[0037] By moving the upper die 25 downward under the drive of the hydraulic rod 24, the upper die 25 can be attached to the upper side of the lower die 3, and then the molten metal is injected into the die-casting die under high pressure, and then cooled and fixed to form the required parts, and then the two second wedge blocks 32 at the lower die 3 can extrude the two first wedge blocks 30 as the upper die 25 descends, so that the two first wedge blocks 30 drive the two sealing plug rods 29 provided with the spring 31 to move relatively, so that the high-temperature gas in the die-casting die can be discharged to the third pipeline 33, the hose 35 and the second pipeline 20 along the second exhaust hole 27 and the second one-way valve 28, and finally into the heat storage tank 14 or discharged to the outside from the two exhaust pipelines 17, so as to further realize exhaust of the high-temperature gas and improve the exhaust effect of the die-casting die exhaust structure.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A venting structure for a die-casting mold, comprising a die-casting mold body (1), characterized in that: A base (2) is fixedly connected to the upper side of the die casting mold body (1). A lower mold (3) is fixedly provided on the upper side of the base (2). Two first grooves (5) are opened at the bottom inside the lower mold (3). A sealing plug rod (6) for venting is slidably installed inside the two first grooves (5). A spring (7) is fixedly connected between the two sealing plug rods (6) and the lower mold (3). The lower mold (3) has two first exhaust holes (4) that communicate with the first groove (5) inside. Each of the two first exhaust holes (4) is fixedly equipped with a first one-way valve (8). A base plate (9) is fixedly installed on the lower side of the sealing plug rod (6). A protruding plate (10) is fixedly connected to the upper middle part of the base plate (9). A connecting plate (11) is fixedly connected to the lower side of the lower mold (3). A cam rod (12) is rotatably installed on the front side of the connecting plate (11). The cam rod (12) and the protruding plate (10) are in contact with each other. A heat storage box (14) is fixedly connected to the upper side of the die-casting mold body (1).

2. The venting structure for a die-casting mold according to claim 1, characterized in that, Two symmetrically distributed arc-shaped mounting seats (15) are fixedly connected to the upper side of the base (2). A gas supply pipe (16) and an exhaust pipe (17) are fixedly installed on the upper side of each of the two arc-shaped mounting seats (15). A first pipe (18) is fixedly connected to each of the two gas supply pipes (16) and the exhaust pipe (17). A first valve (19) is fixedly provided on one side of each of the two first pipes (18). A second pipe (20) is fixedly connected to the rear side of each of the two gas supply pipes (16). A second valve (21) is fixedly provided on one side of each of the two second pipes (20). The lower side of the two second pipes (20) is connected to the interior of the heat storage box (14).

3. The venting structure for a die-casting mold according to claim 1, characterized in that, Four vertical rods (22) are fixedly installed on the upper side of the die-casting mold body (1). A top plate (23) is fixedly connected to the upper side of the four vertical rods (22). A hydraulic rod (24) is fixedly installed inside the top plate (23). An upper mold (25) is fixedly connected to the lower side of the hydraulic rod (24). An L-shaped slider (26) is fixedly connected to both ends of the upper mold (25). The outer surfaces of the four vertical rods (22) are slidably connected to the interior of the L-shaped slider (26).

4. The venting structure for a die-casting mold according to claim 3, characterized in that, The upper mold (25) has two symmetrically distributed second grooves (66) inside. Each of the two second grooves (66) has a sealing plug rod (29) for venting that is slidably installed inside. Each of the two sealing plug rods (29) is fixedly connected to the upper mold (25) with a spring (31). The upper mold (25) has two second vent holes (27) that communicate with the second grooves (66) inside. Each of the two second vent holes (27) has a second one-way valve (28) fixedly installed inside. Each of the two second one-way valves (28) has a third pipe (33) fixedly installed on the upper side. Each of the two third pipes (33) and the second pipe (20) has a flexible hose (35) that communicates with each other. Each of the two third pipes (33) and the upper mold (25) has a reinforcing plate (34) fixedly installed between them.

5. The venting structure for a die-casting mold according to claim 4, characterized in that, One side of the sealing plug rod (29) passes through the upper mold (25) and extends to one side of the upper mold (25). A first wedge block (30) is fixedly installed on one side of each of the two sealing plug rods (29). A second wedge block (32) is fixedly connected to both ends of the lower mold (3).

6. The venting structure for a die-casting mold according to claim 1, characterized in that, One end of the first vent hole (4) passes through the lower mold (3) and extends to one side of the lower mold (3). The lower side of the sealing plug rod (6) passes through the lower mold (3) and extends to the lower side of the lower mold (3). The rear side of the cam rod (12) passes through the connecting plate (11) and extends to the rear side of the connecting plate (11). The rear side of the cam rod (12) is fixedly connected to a servo motor (13) through a motor mounting plate.

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