Reverse inner pulling mechanism of die-casting die

Abstract

The utility model discloses a die-casting die reverse internal pulling mechanism, which relates to the technical field of die-casting dies, and comprises a fixed base and an internal pulling assembly, the left end of the upper surface of the fixed base is provided with a left supporting seat, the right end of the upper surface of the fixed base is provided with a right supporting seat, and the upper side of the right supporting seat is provided with an upper die; and the inner pulling assembly is arranged at the left end of the upper mold and comprises a guide sliding groove, a limiting groove, a limiting mold core, a limiting sliding block, a limiting sliding rod and a hydraulic cylinder, the guide sliding groove is formed in the surface of the left side of the upper mold, the limiting groove is formed in the right side of the guide sliding groove, and the limiting mold core is connected to the inner side of the limiting groove in a clamped mode. According to the reverse inner pulling mechanism of the die-casting die, automatic core pulling is achieved through the hydraulic cylinder by means of the inner pulling assembly, the limiting mechanism is arranged in the core pulling process, the core pulling stability is guaranteed, and therefore the product quality is guaranteed, rapid demolding of a product can be achieved through the device after core pulling by means of the demolding assembly, and the overall efficiency of production and machining is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure die casting mould technical field, concretely is a pressure die casting mould reverse inner extraction mechanism. BACKGROUND

[0002] The pressure die casting mould is a kind of tool that liquid or semi-liquid metal is filled into mould cavity under high pressure, and the casting is obtained by rapid solidification under pressure, and the pressure die casting mould reverse inner extraction mechanism is a mechanism for realizing reverse core-pulling action in the pressure die casting mould, which can realize the smooth demoulding of inclined hole or complex hole position during mould opening or pressure casting process through specific design, thereby avoiding defects such as shrinkage hole and shrinkage porosity of the casting.However, the current pressure die casting mould reverse inner extraction mechanism still has the following shortcomings:

[0003] The patent file with publication number CN216858192U discloses a pressure die casting mould core-pulling mechanism.The pressure die casting mould core-pulling mechanism only needs to replace the core-pulling rod in the core-pulling mechanism, thereby reducing the work burden of the operator, and the volume of the core-pulling rod is small, thereby avoiding collision between the core-pulling rod and other devices, and the device can be used in multiple ways by replacing the core-pulling rod, but it cannot be kept stable during core-pulling, which can damage the pressure die casting mould and affect product quality.

[0004] Therefore, in view of the above, the existing structure is improved, and a pressure die casting mould reverse inner extraction mechanism is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a pressure die casting mould reverse inner extraction mechanism to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a pressure die casting mould reverse inner extraction mechanism, comprising a fixed base and an inner extraction assembly, a left support seat is installed on the upper surface left end of the fixed base, a right support seat is arranged on the upper surface right end of the fixed base, an upper mould is arranged on the upper side of the right support seat, the inner extraction assembly is arranged at the left end of the upper mould, and the inner extraction assembly comprises a guide sliding groove, a limiting groove, a limiting core, a limiting sliding block, a limiting sliding rod and a hydraulic cylinder, the guide sliding groove is arranged on the left side surface of the upper mould, the limiting groove is arranged on the right side of the guide sliding groove, the limiting core is connected to the inner side of the limiting groove in a clamping mode, the limiting sliding block is installed on the left surface of the limiting core, and the limiting sliding block and the limiting core are in a tightly connected integrated structure.

[0007] Further, the limiting sliding rod is installed in the guide sliding groove, and the left end of the limiting sliding rod is connected to the right surface of the left support seat.

[0008] Further, the limiting sliding rod is slidably connected with the limiting sliding block inside, and the limiting sliding block is slidably connected with the guide sliding groove inside.

[0009] Further, the hydraulic cylinder is arranged on the left surface of the left supporting base, and the right end of the hydraulic cylinder is connected with the left surface of the limiting sliding block.

[0010] Further, the hydraulic push rod is arranged on the lower surface of the fixed base, and the movable base is arranged on the top of the hydraulic push rod.

[0011] Further, the movable base is provided with a demolding assembly for assisting demolding, and the demolding assembly comprises a fixed seat, a containing sliding groove and a movable seat.

[0012] Further, the fixed seat is arranged on the upper surface of the movable base, and the containing sliding groove is arranged in the fixed seat, and the movable seat is slidably connected with the containing sliding groove inside.

[0013] Further, the demolding assembly further comprises an electric telescopic rod and an auxiliary pushing plate, and the electric telescopic rod is arranged at both ends in the fixed seat, and the auxiliary pushing plate is arranged on the upper surface of the electric telescopic rod and slidably connected with the outside of the movable seat.

[0014] The utility model provides a kind of die casting die reverse inner extraction mechanism, with following beneficial effects:

[0015] 1, the utility model discloses an inner extraction component, and the inner extraction component includes guide sliding groove, limiting groove, limiting core, limiting sliding block, limiting sliding rod and hydraulic cylinder, when using, product is cooled and formed, first start hydraulic cylinder, make hydraulic cylinder drive limiting sliding block along guide sliding groove inside and slide outward, limiting core is removed from limiting groove by limiting sliding block, to ensure that subsequent can smoothly demould, the inside of limiting sliding block will slide along the surface of limiting sliding rod during the movement process, to limit the movement of limiting sliding block to a certain extent, so that the device realizes automatic core pulling by hydraulic cylinder, and limiting mechanism is arranged during core pulling process, guarantee the stability of core pulling, to guarantee the quality of product.

[0016] 2, the utility model discloses a demolding assembly, and the demolding assembly includes fixed seat, containing sliding groove and movable seat, and the demolding assembly further includes electric telescopic rod and auxiliary pushing plate, when using, start hydraulic push rod and drive movable base to move downwards, and then drive fixed seat to move downwards, so that movable seat is withdrawn from the mold groove of upper mold, when the product formed adheres to the upper end surface of movable seat, start electric telescopic rod, so that electric telescopic rod drives auxiliary pushing plate and moves upwards along the surface of movable seat, product is lifted from movable seat by auxiliary pushing plate, to realize the quick demolding of product, so that the device can realize the quick demolding of product after core pulling, improve the overall efficiency of production and processing. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a three-dimensional structure schematic view of the reverse inner extraction mechanism of the die casting die of the utility model;

[0018] Fig. 2 It is a three-dimensional structure schematic view of the inner extraction assembly of the reverse inner extraction mechanism of the die casting die of the utility model;

[0019] Fig. 3 It is a three-dimensional structure schematic view of the demolding assembly of the reverse inner extraction mechanism of the die casting die of the utility model.

[0020] In the figure: 1, fixed base; 2, left support seat; 3, right support seat; 4, upper die; 5, inner extraction assembly; 501, guide sliding groove; 502, limiting groove; 503, limiting core; 504, limiting sliding block; 505, limiting sliding rod; 506, hydraulic cylinder; 6, hydraulic push rod; 7, movable base; 8, demolding assembly; 801, fixed seat; 802, accommodating sliding groove; 803, movable seat; 804, electric telescopic rod; 805, auxiliary pushing plate. DETAILED DESCRIPTION

[0021] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] As Figs. 1-3 shown, a kind of reverse inner extraction mechanism of die casting die, including fixed base 1 and inner extraction assembly 5, fixed base 1 upper surface left end is equipped with left support seat 2, and fixed base 1 upper surface right end is provided with right support seat 3, and the upper die 4 of right support seat 3 upper side is provided with, and inner extraction assembly 5 is set to upper die 4 left end, and inner extraction assembly 5 includes guide sliding groove 501, limiting groove 502, limiting core 503, limiting sliding block 504, limiting sliding rod 505 and hydraulic cylinder 506, guide sliding groove 501 is opened in the left side surface of upper die 4, and limiting groove 502 is opened in the right side of guide sliding groove 501, and limiting core 503 is clampedly connected in the inner side of limiting groove 502, and limiting sliding block 504 is installed on the left surface of limiting core 503, and limiting sliding block 504 and limiting core 503 are the integrated structure of close connection, limiting sliding rod 505 is installed in the inside of guide sliding groove 501, and the left end of limiting sliding rod 505 is connected with the right surface of left support seat 2, limiting sliding rod 505 and limiting sliding block 504 are slidably connected, and limiting sliding block 504 and guide sliding groove 501 are slidably connected, and the left surface upper end of left support seat 2 is equipped with hydraulic cylinder 506, and the right end of hydraulic cylinder 506 is connected with the left surface of limiting sliding block 504.

[0023] Specific operation as follows, use, product cooling forming, first start hydraulic cylinder 506, make hydraulic cylinder 506 drive limit sliding block 504 along the sliding guide groove 501 inside slide outwards, through limit sliding block 504 drive limit core 503 from limit groove 502 inside removal, to ensure that subsequent can smoothly demould, the movement of limit sliding block 504, its inside will along the surface of limit sliding rod 505 slide, to limit sliding block 504 movement play certain limit function, guarantee the stability in the process of core pulling.

[0024] Please refer to Fig. 1 And Fig. 3 The lower surface of the fixed base 1 is provided with a hydraulic push rod 6, and the top of the hydraulic push rod 6 is provided with a movable base 7. The surface of the movable base 7 is provided with a demolding assembly 8 for assisting demolding, and the demolding assembly 8 comprises a fixed seat 801, a containing sliding groove 802 and a movable seat 803. The fixed seat 801 is arranged on the upper surface of the movable base 7, and the containing sliding groove 802 is formed in the fixed seat 801. The movable seat 803 is slidably connected to the inside of the containing sliding groove 802. The demolding assembly 8 further comprises an electric telescopic rod 804 and an auxiliary pushing plate 805. The electric telescopic rod 804 is mounted at both ends of the fixed seat 801, and the auxiliary pushing plate 805 is arranged on the upper surface of the electric telescopic rod 804 and slidably connected to the outside of the movable seat 803.

[0025] Specific operation as follows, use, start hydraulic push rod 6, through movable base 7 drive fixed seat 801 upwardly, in turn drive movable seat 803 and upper die 4 close, through the injection channel on the upper die 4 inject raw materials into the upper die 4, realize die casting forming through the extrusion of the upper die 4 and movable seat 803, start hydraulic push rod 6 drive movable base 7 downwardly, in turn drive fixed seat 801 downwardly, make movable seat 803 exit from the mold groove of upper die 4, at this time, the formed product is adhered to the upper end surface of the movable seat 803. Start the electric telescopic rod 804, and make the electric telescopic rod 804 drive the auxiliary pushing plate 805 move upwardly along the surface of the movable seat 803. Through the auxiliary pushing plate 805, the product is pushed off from the movable seat 803, realizing the rapid demolding of the product.

[0026] In summary, as Figs. 1-3As shown, the die-casting mold reverse inner extraction mechanism, in use, first, start the hydraulic push rod 6, through the movable base 7 drive fixed seat 801 upwardly, in turn drive movable seat 803 and upper mold 4 close mold, through the injection channel on the upper mold 4 inject raw materials into the upper mold 4, through the extrusion of upper mold 4 and movable seat 803 realize die casting forming, product cooling forming, first start hydraulic cylinder 506, make hydraulic cylinder 506 drive limit slider 504 along the inside of guide sliding groove 501 outwardly slide, through limit slider 504 drive limit core 503 from the limit groove 502 remove, to ensure that subsequent can smoothly demould, the movement process of limit slider 504, its inside will along the surface of limit sliding rod 505 slide, to limit slider 504's movement play certain limit effect, guarantee the stability in the core-pulling process, subsequently, start the hydraulic push rod 6 drive movable base 7 downwardly, in turn drive fixed seat 801 downwardly, make movable seat 803 from the mold groove of upper mold 4 exit, the product formed at this time adheres to the upper end surface of movable seat 803, start electric telescopic rod 804, make electric telescopic rod 804 drive auxiliary push material plate 805 along movable seat 803 surface upwardly move, through auxiliary push material plate 805 the product from movable seat 803 top down, realize the quick demoulding of product.

[0027] Embodiments of the present application are presented for the purpose of example and description only, and are not intended to be exhaustive or to limit the application to the precise forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A die casting mould counter-internal extraction mechanism comprising a fixed base (1) and an internal extraction assembly (5), characterised in that: The left supporting base (2) is installed on the left end of the upper surface of the fixed base (1), and the right supporting base (3) is arranged on the right end of the upper surface of the fixed base (1), the upper mold (4) is arranged on the upper side of the right supporting base (3), the inner pulling assembly (5) is arranged on the left end of the upper mold (4), and the inner pulling assembly (5) comprises a guide sliding groove (501), a limiting groove (502), a limiting core (503), a limiting sliding block (504), a limiting sliding rod (505) and a hydraulic cylinder (506).

2. A reverse inside pull mechanism for a die casting mold as defined in claim 1, wherein The limiting sliding rod (505) is arranged in the guide sliding groove (501), and the left end of the limiting sliding rod (505) is connected with the right surface of the left supporting base (2).

3. A reverse-pulling mechanism for a die casting mold according to claim 1, wherein The limiting sliding rod (505) and the limiting sliding block (504) are in sliding connection, and the limiting sliding block (504) and the guide sliding groove (501) are in sliding connection.

4. A reverse-pulling mechanism for a die casting mold according to claim 1, wherein The hydraulic cylinder (506) is arranged on the left surface of the left supporting base (2), and the right end of the hydraulic cylinder (506) is connected with the left surface of the limiting sliding block (504).

5. A reverse-pulling mechanism for a die casting mold according to claim 1, wherein The hydraulic push rod (6) is arranged on the lower surface of the fixed base (1), and the movable base (7) is arranged on the top of the hydraulic push rod (6).

6. A reverse-pulling mechanism for a die casting mold according to claim 5, wherein The demolding assembly (8) is arranged on the surface of the movable base (7) and is used for assisting demolding, and the demolding assembly (8) comprises a fixed seat (801), a containing sliding groove (802) and a movable seat (803).

7. A reverse-pulling mechanism for a die casting mold according to claim 6, wherein The fixed seat (801) is arranged on the upper surface of the movable base (7), and the containing sliding groove (802) is arranged in the fixed seat (801), and the movable seat (803) is in sliding connection with the inner side of the containing sliding groove (802).

8. A reverse-pulling mechanism for a die casting mold according to claim 6, wherein The demolding assembly (8) further comprises an electric telescopic rod (804) and an auxiliary pushing plate (805), the electric telescopic rod (804) is arranged in the fixed seat (801), the auxiliary pushing plate (805) is arranged on the upper surface of the electric telescopic rod (804), and the inner side of the auxiliary pushing plate (805) is in sliding connection with the outer side of the movable seat (803).

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