Die-casting die capable of conveniently and rapidly replacing core

Abstract

The utility model relates to the field of die-casting dies, in particular to a die-casting die capable of conveniently and rapidly replacing a core. According to the die-casting die capable of conveniently and rapidly replacing the core, the die core of a die with an up-down opening and closing structure can be conveniently replaced, the upper die core can be conveniently and slowly borne, the movable die core is prevented from rapidly falling off after being not fixed, and the core replacement safety is improved. A die-casting die capable of conveniently and rapidly replacing a core comprises a fixed die base, a fixed die core and the like, and the fixed die core is arranged in the fixed die base. Hydraulic oil in the second hydraulic actuator is slowly discharged through the communicating pipe, so that the ejection column is slowly reset, the expansion plug is slowly recovered, the friction force between the expansion plug and the movable mold core is gradually reduced, and the movable mold core slowly slides, the mold core of a mold with an up-down opening and closing structure can be conveniently replaced, and the mold core above can be slowly borne; and the movable mold core is prevented from falling quickly after losing fixation, and the core replacement safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a die casting die field especially, it relates to a kind of die casting die of convenient and quick core replacement. BACKGROUND

[0002] Die casting die is an important tool for producing metal parts, it is by molten metal in high pressure injection into mould cavity, then cooling solidification forming, widely used in automobile, electronic, aerospace and other industries, can efficiently produce the parts with complex shape and high precision requirement.

[0003] The die core and the die of the die casting die are usually connected by clamping structure or bolt connection structure at present, the bolt connection structure is not convenient for die core replacement, and is usually used in the die casting die without replacing die core, and the clamping structure is widely used in the die casting die with replacing die core, but the die core at the top of the die casting die with up-down opening and closing structure is easy to fall accidentally when the die core clamping state is released, which causes die core damage or machine tool damage, and the safety is low.

[0004] Therefore, the present application provides a kind of die casting die of convenient and quick core replacement, which can replace die core of die with up-down opening and closing structure, slowly receive upper die core, avoid moving die core from falling quickly after losing fixation, and improve the safety of core replacement. SUMMARY

[0005] In order to overcome the shortcomings in the above background art, the utility model provides a kind of die casting die of convenient and quick core replacement, which can replace die core of die with up-down opening and closing structure, slowly receive upper die core, avoid moving die core from falling quickly after losing fixation, and improve the safety of core replacement.

[0006] The technical scheme is as follows: a kind of die casting die of convenient and quick core replacement, including fixed die seat, fixed die core, connecting block, movable die seat, movable die core, second hydraulic actuator, communication pipe, top column and expansion plug, fixed die seat is equipped with fixed die core inside, fixed die core four edges are connected with connecting block, fixed die seat top is clamped with movable die seat, movable die seat is equipped with movable die core inside, movable die core four edges are also connected with connecting block, movable die seat middle part is opened with installation hole, movable die core middle part is opened with plug hole, second hydraulic actuator is connected in installation hole, second hydraulic actuator upper portion front side is connected with communication pipe, second hydraulic actuator telescopic end is connected with top column, movable die seat is connected with expansion plug close to plug hole, expansion plug is inserted into plug hole, and top column is extruded with expansion plug.

[0007] As preferred, it further includes guide posts, and the fixed die seat top is connected with multiple guide posts.

[0008] As preferred, the connecting block and the locking block are both inclined surface structures, and the inclined surfaces are closely attached.

[0009] As preferred, the first hydraulic actuator is provided with a liquid inlet valve.

[0010] As preferred, the first hydraulic actuator is provided with a liquid inlet valve.

[0011] As preferred, the first hydraulic actuator is provided with a liquid inlet valve.

[0012] The beneficial effects of the utility model are: 1, the utility model discloses a second hydraulic actuator in the hydraulic oil slowly through the communicating pipe and discharges, makes the jacks slowly reset, and the expansion plug slowly restores, makes the friction between expansion plug and movable mould core gradually reduces, makes the operation of movable mould core slow sliding, can conveniently replace the mould core of upper and lower opening and closing structure's mould, slowly receives the upper mould core, avoids movable mould core and falls quickly after losing fixed, improves the safety of core replacement.

[0013] 2, the utility model discloses a first hydraulic actuator control lock block reset, makes lock block and connecting block cooperate, controls the fixing of fixed mould core and movable mould core, can conveniently fast calibration of mould core, improves the efficiency and convenience of mould core replacement. ACCURACY

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the utility model.

[0016] Figure 3 It is the three-dimensional structure schematic diagram of the utility model fixed mould seat, fixed mould core and connecting block etc.

[0017] Figure 4 It is the three-dimensional structure schematic diagram of the utility model connecting block, movable mould seat and movable mould core etc.

[0018] Figure 5 It is the three-dimensional structure schematic diagram of the utility model first hydraulic actuator, lock block and connecting pipe etc.

[0019] Figure 6 It is the three-dimensional structure schematic diagram of the utility model second hydraulic actuator, jacks and expansion plug etc.

[0020] Figure 7The utility model discloses a three-dimensional structure schematic diagram of slide column, ejection block and spring and other components.

[0021] Mark explanation: 1 fixed mould base, 2 fixed mould core, 3 connecting block, 4 movable mould base, 401 mounting hole, 5 movable mould core, 501 plug hole, 6 guide column, 7 first hydraulic actuator, 8 locking block, 9 connecting pipe, 10 second hydraulic actuator, 1001 communication pipe, 11 jacking post, 12 expansion plug, 13 slide column, 14 ejection block, 15 spring. DETAILED DESCRIPTION

[0022] The utility model is further explained below in connection with the drawings and specific embodiment.

[0023] A kind of die casting die of convenient and fast core replacement, as shown in Figures 1-7 It includes fixed mould base 1, fixed mould core 2, connecting block 3, movable mould base 4, movable mould core 5, second hydraulic actuator 10, communication pipe 1001, jacking post 11 and expansion plug 12, fixed mould base 1 inside is equipped with fixed mould core 2, fixed mould core 2 four edges are connected with connecting block 3, fixed mould base 1 top is clamped with movable mould base 4, movable mould base 4 inside is equipped with movable mould core 5, movable mould core 5 four edges are also connected with connecting block 3, movable mould base 4 middle part is opened with mounting hole 401, movable mould core 5 middle part is opened with plug hole 501, second hydraulic actuator 10 is connected in mounting hole 401, second hydraulic actuator 10 upper portion front side is connected with communication pipe 1001, second hydraulic actuator 10 telescopic end is connected with jacking post 11, movable mould base 4 is connected with expansion plug 12 close to plug hole 501, expansion plug 12 is inserted into plug hole 501, jacking post 11 is extruded with expansion plug 12, injects hydraulic oil into second hydraulic actuator 10 by communication pipe 1001, second hydraulic actuator 10 telescopic end controls jacking post 11 to move downwards, jacking post 11 moves and extrudes expansion plug 12, expansion plug 12 deformation extrusion plug hole 501, carries out secondary fixed to movable mould core 5, avoids when replacing movable mould core 5, movable mould core 5 from movable mould base 4 slide, when removing movable mould core 5, the hydraulic oil in second hydraulic actuator 10 slowly passes through communication pipe 1001 and is discharged, so that jacking post 11 slowly resets, expansion plug 12 slowly restores, makes the friction between expansion plug 12 and movable mould core 5 gradually reduce, makes movable mould core 5 slowly slide, facilitates to receive movable mould core 5, facilitates movable mould core 5 to be dismantled;

[0024] It also includes guide column 6, and the top of fixed mould base 1 is connected with multiple guide columns 6, and the guide column 6 is used for guiding fixed mould base 1 and movable mould base 4 to close mutually;

[0025] Also include the first hydraulic actuator 7, locking block 8 and connecting pipe 9, the moving die seat 4 guide column 6 plug, the fixed die seat 1 and the moving die seat 4 are connected with a plurality of first hydraulic actuator 7, the first hydraulic actuator 7 telescopic end are connected with locking block 8, locking block 8 and adjacent connecting block 3 extrusion fit, the first hydraulic actuator 7 between the fixed die seat 1 is connected with connecting pipe 9, the first hydraulic actuator 7 between the moving die seat 4 is also connected with connecting pipe 9, the fixed die core 2 is put into the fixed die seat 1, the moving die core 5 is put into the moving die seat 4, inject hydraulic oil into the first hydraulic actuator 7, the first hydraulic actuator 7 is synchronized through connecting pipe 9, the first hydraulic actuator 7 controls locking block 8 to move, locking block 8 moves extrusion connecting block 3, connecting block 3 is extruded by locking block 8, will move first, make the fixed die core 2 and the moving die core 5 move to the center position of the fixed die seat 1 and the moving die seat 4, after centering, locking block 8 moves to the limit position, press down connecting block 3, fix connecting block 3, so as to fix the fixed die core 2 and the moving die core 5 in the corresponding fixed die seat 1 and moving die seat 4, complete the fixed die core 2 and the moving die core 5 fixing operation, the moving die seat 4 is driven connected with machine tool, the fixed die seat 1 is fixed on the machine tool, the machine tool drives the fixed die seat 1 and the moving die seat 4 to reciprocating motion, using the fixed die core 2 and the moving die core 5 to carry on die casting operation, the fixed die core 2 and the moving die core 5 are disassembled, locking block 8 is reset through the first hydraulic actuator 7, make locking block 8 and connecting block 3 separate, connecting block 3 loses the limit, then the fixed die core 2 and the moving die core 5 can be taken out from the fixed die seat 1 and the moving die seat 4 at will to replace;

[0026] Also include the slide column 13, the ejection block 14 and the spring 15, the moving die seat 4 and the fixed die seat 1 left and right two parts are slidably connected with a plurality of slide columns 13, the top between adjacent slide columns 13 is connected with the ejection block 14, the fixed die seat 1 and the moving die seat 4 and adjacent ejection block 14 are connected with a plurality of springs 15, when the moving die core 5 and the fixed die core 2 are put into the corresponding moving die seat 4 and fixed die seat 1, the connecting block 3 will extrude the ejection block 14, make the slide column 13 slide the ejection block 14 compress the spring 15, when the locking block 8 gradually forms the limit with the connecting block 3, the spring 15 is compressed in place, when the moving die core 5 and the fixed die core 2 are disassembled, the spring 15 rebounds after the locking block 8 and the connecting block 3 separate, will control the ejection block 14 to lift the moving die core 5 and the fixed die core 2, make the moving die core 5 and the fixed die core 2 protrude from the moving die seat 4 and the fixed die seat 1 part, facilitate the moving die core 5 and the fixed die core 2 to take out;

[0027] The utility model discloses a movable core 5 and fixed core 2 are fixed in the corresponding fixed mould seat 1 and movable mould seat 4, and the movable core 5 and fixed core 2 are fixed in the corresponding fixed mould seat 1 and movable mould seat 4 when the movable core 5 is placed into movable mould seat 4, and the movable core 5 and fixed core 2 are placed into fixed mould seat 1, and the connecting block 3 will extrude the ejection block 14, and the slide column 13 slides the ejection block 14 compression spring 15, and the movable core 5 and fixed core 2 are placed after completing, and inject hydraulic oil into the first hydraulic actuator 7, and the first hydraulic actuator 7 carries out synchronous operation through the connecting pipe 9, and the first hydraulic actuator 7 controls the locking block 8 to move, and the locking block 8 moves and extrudes the connecting block 3, and the connecting block 3 is extruded by the locking block 8, will move first, make the movable core 5 and fixed core 2 move to the center position of fixed mould seat 1 and movable mould seat 4, and after centering and aligning, the locking block 8 moves to the extreme position, and the connecting block 3 is pressed down tightly, and the connecting block 3 is fixed, when the locking block 8 gradually forms the limit with the connecting block 3, spring 15 is compressed in place, so that the movable core 5 and fixed core 2 can be fixed in the corresponding fixed mould seat 1 and movable mould seat 4, and the fixing operation of the movable core 5 and fixed core 2 is completed, and after the movable core 5 is installed and fixed, inject hydraulic oil into the second hydraulic actuator 10 through the communicating pipe 1001, and the second hydraulic actuator 10 telescopic end control jacks 11 move downward, and the jacks 11 move and extrude the expansion plug 12, and the expansion plug 12 is deformed and extruded plug hole 501, and the movable core 5 is fixed secondly, avoid when replacing the movable core 5, the movable core 5 falls from movable mould seat 4, when removing the movable core 5, the hydraulic oil in the second hydraulic actuator 10 slowly discharges through the communicating pipe 1001, so that the jacks 11 slowly reset, and the expansion plug 12 slowly restores, so that the friction between the expansion plug 12 and the movable core 5 gradually reduces, and the movable core 5 slowly slides down, and the movable core 5 is conveniently received, and the movable core 5 is conveniently disassembled, and after the movable core 5 and fixed core 2 are fixed, the movable mould seat 4 is driven to connect with the machine tool, and the fixed mould seat 1 is fixed on the machine tool, and the machine tool drives the fixed mould seat 1 and movable mould seat 4 to carry out reciprocating motion of opening and closing, and the movable core 5 and fixed core 2 are used to carry out die casting operation, and the movable core 5 and fixed core 2 are disassembled, the locking block 8 is reset through the first hydraulic actuator 7, so that the locking block 8 is separated from the connecting block 3, and the connecting block 3 loses the limit, so that the movable core 2 and the movable core 5 can be taken out from the fixed mould seat 1 and the movable mould seat 4 at will to replace, when the movable core 5 and fixed core 2 are disassembled, the locking block 8 and connecting block 3 are separated, and the spring 15 rebounds, and the ejection block 14 will lift the movable core 5 and fixed core 2, so that the movable core 5 and fixed core 2 protrude from the movable mould seat 4 and fixed mould seat 1 partially, and the movable core 5 and fixed core 2 are conveniently taken out.

[0028] The above only is the preferred implementation of the utility model, should point out, for ordinary technical personnel in this technical field, on the premise of not departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.

Claims

1. A die-casting mold with convenient and quick core replacement, characterized in that: The invention comprises a fixed mold base (1), a fixed mold core (2), a connecting block (3), a movable mold base (4), a movable mold core (5), a second hydraulic actuator (10), a connecting pipe (1001), a top column (11) and an expansion plug (12); a fixed mold core (2) is provided inside the fixed mold base (1); four sides of the fixed mold core (2) are connected to the connecting blocks (3); a movable mold base (4) is clamped on the top of the fixed mold base (1); a movable mold core (5) is provided inside the movable mold base (4); four sides of the movable mold core (5) are also connected to the connecting blocks (3); the movable mold base (4) A mounting hole (401) is opened in the middle, a plug hole (501) is opened in the middle of the movable mold core (5), a second hydraulic actuator (10) is connected in the mounting hole (401), a connecting pipe (1001) is connected to the upper front side of the second hydraulic actuator (10), a top column (11) is connected to the telescopic end of the second hydraulic actuator (10), an expansion plug (12) is connected to the movable mold base (4) near the plug hole (501), the expansion plug (12) is inserted into the plug hole (501), and the top column (11) and the expansion plug (12) are squeezed and matched.

2. A die-casting mold for convenient and quick core replacement according to claim 1, characterized in that: It also includes guide columns (6), and the top of the fixed mold base (1) is connected to a plurality of guide columns (6).

3. A die-casting mold for convenient and quick core replacement according to claim 2, characterized in that: The connecting block (3) and the locking block (8) both have inclined surface structures, and the inclined surfaces fit tightly together.

4. A die-casting mold for convenient and quick core replacement according to claim 3, characterized in that: The invention also includes a first hydraulic actuator (7), a locking block (8) and a connecting pipe (9), the movable die base (4) is plugged into the guide column (6), a plurality of first hydraulic actuators (7) are connected to the fixed die base (1) and the movable die base (4), the telescopic ends of the first hydraulic actuators (7) are connected to locking blocks (8), the locking blocks (8) are extruded and matched with the adjacent connecting blocks (3), the first hydraulic actuators (7) on the fixed die base (1) are connected to the connecting pipe (9), and the first hydraulic actuators (7) on the movable die base (4) are also connected to the connecting pipe (9).

5. A die-casting mold for convenient and quick core replacement according to claim 4, characterized in that: The first hydraulic actuator (7) is provided with a liquid inlet valve.

6. A die-casting mold for convenient and quick core replacement according to claim 5, characterized in that: The movable die base (4) and the fixed die base (1) are both slidably connected to the left and right sides of the movable die base (4), and the ejection blocks (14) are connected between the tops of adjacent movable die bases (13), and the fixed die base (1) and the movable die base (4) are connected to the adjacent ejection blocks (14) with a plurality of springs (15).

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