Novel clamping mechanism of cold and hot chamber alloy die-casting machine

Abstract

The utility model discloses a novel mold locking mechanism of a cold and hot chamber alloy die-casting machine, which comprises a mold locking oil cylinder assembly arranged on a cold and hot chamber alloy die-casting machine table, the mold locking oil cylinder assembly comprises a first flange, a cylinder barrel, a second flange, a movable piston, a piston rod, a mold locking cylinder body, an ejection oil cylinder, a middle flange and a movable mold plate, wherein the movable piston and the piston rod are mounted in the first flange; the mold locking cylinder body penetrates through the movable piston and the piston rod; the ejection oil cylinder is fixedly connected with one end of the mold locking cylinder body; through the designed mold locking oil cylinder assembly, the movable arm, the fixed frame and the reinforcing assembly, the mold locking structure of hydraulic rod mold locking is directly adopted, the number of mechanical parts is small, mechanical abrasion is reduced, mold locking precision can be kept for a long time, maintenance cost is greatly reduced, production is prevented from being influenced by maintenance, and meanwhile due to the fact that a pull rod is not arranged, production efficiency is greatly improved. Therefore, the capacity modulus is large, the die is convenient to install, and the operation space is large.

Description

TECHNICAL FIELD

[0001] The utility model belongs to die casting machine lock die structure technical field, concretely relates to a cold hot chamber alloy die casting machine novel lock die mechanism. BACKGROUND

[0002] Die casting machine is a kind of machine for pressure casting, mainly used for the molten metal injection into the mold cavity designed in advance, by high pressure and high speed cooling solidification, manufacture various complex shape metal products, and die casting machine lock die mechanism is an important component of die casting machine, it plays the role of fixed mould, ensure that the mould can keep stable during the pressure casting process. The type of die casting machine lock die mechanism is various, one of the common lock die mechanisms is elbow die mechanism, it is composed of three seat plates and is connected by four guide columns, the middle is movable die seat plate, driven by the piston of clamping cylinder through elbow mechanism, adopts hydraulic and mechanical combined structure, and the structure is complex, and there are many parts, and it is easy to be mechanically worn, so as to affect the lock die precision, maintenance rate and other shortcomings.

[0003] The existing die casting machine lock die mechanism adopts the elbow die mechanism of hydraulic and mechanical combined structure, and the mechanical parts are many, the structure is complex, and the mechanical wear is easy, so the cold hot chamber alloy die casting machine novel lock die mechanism is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a cold hot chamber alloy die casting machine novel lock die mechanism to solve the mechanical parts of the traditional elbow die mechanism are many, the structure is complex, and the mechanical wear is easy.

[0005] To achieve the above object, the utility model provides the following technical scheme: a cold hot chamber alloy die casting machine novel lock die mechanism, including

[0006] Lock die oil cylinder assembly is installed on the cold hot chamber alloy die casting machine table, and the lock die oil cylinder assembly includes first flange, cylinder barrel, second flange, movable piston and piston rod installed in the first flange, lock die cylinder body penetrating movable piston and piston rod, ejector oil cylinder fixedly connected with one end of lock die cylinder body, intermediate flange fixedly connected with one end of piston rod, movable die plate fixedly connected with intermediate flange;

[0007] One end is fixed with movable arm through bolt on the outer surface of movable die plate, and the surface of one end of movable arm is provided with recessed locking groove;

[0008] Fixed frame, including firm block fixedly connected with cylinder barrel, connecting column weldedly connected with one end of firm block, and stable frame is firmly connected with the other end of connecting column through bolt, and the stable frame is fixedly connected with limiting arm through bolt;

[0009] The reinforcing assembly comprises a reinforcing plate fixed on the outer surface of the stable frame by bolts, a reinforcing oil cylinder fixedly connected with the reinforcing plate by bolts, and a reinforcing block fixedly connected with one end of the reinforcing oil cylinder.

[0010] Preferably, the cold-chamber alloy die casting machine comprises a frame, a plunger mechanism mounted on one end of the frame, a static mold plate fixedly connected with the plunger mechanism, and a movable plate fixedly connected with the static mold plate.

[0011] Preferably, the surface of the movable plate is fixedly connected with a fixed mold A, the surface of the movable plate facing the fixed mold A is fixedly connected with a movable mold B, the movable mold B moves along a direction a and is combined with the fixed mold A, and the movable mold moves along a direction b and is separated from the fixed mold A.

[0012] Preferably, the axial direction of the ejection oil cylinder, the lock cylinder body and the piston rod is the same as the straight line direction of the horizontal axis X.

[0013] Preferably, a limiting groove matched with the moving arm is arranged at the center position of the surface of the limiting arm.

[0014] Preferably, the stable plate is of a "U" type structure, and a square hole for the reinforcing block to pass through is arranged at the center position of the stable frame.

[0015] Preferably, the reinforcing block is of an isosceles trapezoidal three-dimensional structure, and the reinforcing block is matched with the corresponding locking groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] In the utility model, the novel lock mold structure directly adopting the hydraulic rod lock mold is adopted, mechanical parts are few, mechanical wear is reduced, lock mold precision can be maintained for a long time, maintenance cost is greatly reduced, production is affected due to maintenance is avoided, the mold capacity is large due to the absence of the pull rod, the mold is conveniently installed, and the operation space is large. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a top view structural schematic view of the stable frame of the utility model;

[0020] Figure 3 It is a side view structural schematic view of the stable frame of the utility model; Figure 2

[0021] Figure 4 It is a three-dimensional structural schematic view of the moving arm and the reinforcing block corresponding to each other in the utility model;

[0022] ​In the figure: 1, frame; 2, injection mechanism; 3, static die plate; 4, elastic plate; 5, dynamic die plate; 6, middle flange; 7, ejection oil cylinder; 9, locking oil cylinder assembly; 10, locking cylinder; 11, firm block; 12, connecting column; 13, stable frame; 14, stable plate; 15, reinforcing oil cylinder; 16, reinforcing block; 17, moving arm; 18, limiting arm; 91, first flange; 92, cylinder barrel; 93, moving piston; 94, piston rod; 95, second flange; 171, locking groove; 181, limiting groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1 to 4The utility model provides a technical scheme: A novel mold locking mechanism of cold -hot chamber alloy die casting machine, including the mold locking oil jar subassembly 9 of installation on the cold -hot chamber alloy die casting machine table, this mold locking oil jar subassembly 9 includes first flange 91, cylinder barrel 92, second flange 95, the mobile piston 93 and piston rod 94 of installation in first flange 91 inside, the mold locking cylinder body 10 of going through mobile piston 93 and piston rod 94, with the fixed connection of one end of mold locking cylinder body 10 of ejection oil jar 7, with the fixed connection of one end of piston rod 94 of intermediate flange 6, with the fixed connection of dynamic die plate 5 of intermediate flange 6, when moving along a direction and closing membrane, under the synergic action with other equipment outside, through PLC control system control, injects hydraulic oil to the inside of mold locking oil jar subassembly 9, makes piston rod 94, intermediate flange 6 and dynamic die plate 5 move to the direction of fixed mould A, and dynamic die plate 5 on dynamic mould B is pasted with fixed mould A, and the mould is closed, directly adopts the mold locking structure of hydraulic rod mold locking, and mechanical parts are few, and mechanical wear is reduced, can keep mold locking precision for a long time, greatly reduces maintenance cost, avoids the influence of production due to maintenance, and simultaneously because of not having pull rod, so the mold capacity is big, and the mold is conveniently installed, and the operation space is big, etc. One end with the outer surface of dynamic die plate 5 is fixed with movable arm 17, the surface of one end of movable arm 17 is provided with the recessed locking groove 171, movable arm 17 linearly moves along with dynamic die plate 5, fixed frame includes the firm block 11 of fixed connection with cylinder barrel 92, the connecting column 12 of one end welding connection with firm block 11, the stable frame 13 of the other end of connecting column 12 is firmly connected with bolt, the limiting arm 18 of being fixed in the stable frame 13 is fixed with bolt, movable arm 17 is slidably connected with limiting arm 18, movable arm 17 is limited by limiting arm 18, makes movable arm 17 slide along the direction, avoids the deflection of movable arm 17, reinforcing assembly includes the stable plate 14 of being fixed on the outer surface of stable frame 13 with bolt, the reinforcing oil jar 15 of fixed connection with stable plate 14 with bolt, the reinforcing block 16 of one end fixed connection with reinforcing oil jar 15, under the synergic action with other equipment outside, such as laser sensor senses the position of movable arm 17, through PLC control system control, makes reinforcing oil jar 15 work, and then drives reinforcing block 16 to move, and reinforcing block 16 is embedded in the inside of movable arm 17, so that it is in firm state, and then play the reinforcing effect, further increase the firmness of dynamic die plate 5, make dynamic die plate 5 keep certain pressure.

[0025] In the embodiment, the cold and hot chamber alloy die casting machine platform comprises a rack 1, a pressure injection mechanism 2 mounted on one end of the rack 1, a static mold plate 3 fixedly connected with the pressure injection mechanism 2, and a movable plate 4 fixedly connected with the static mold plate 3.

[0026] In the embodiment, the axial direction of the ejection oil cylinder 7, the locking cylinder body 10 and the piston rod 94 is the same as the straight line direction of the horizontal axis X, when the movable plate 5 is in the mold opening state, hydraulic oil is injected into the locking cylinder body 10, and the ejection oil cylinder 7 moves to eject the workpiece formed by die casting.

[0027] In the embodiment, the center position of the surface of the limiting arm 18 is provided with a limiting groove 181 matched with the moving arm 17, and the reinforcing block 16 can be embedded in the limiting groove 181 to reinforce the moving arm 17.

[0028] The working principle and use process of the utility model are as follows:

[0029] When the movable die B on the movable plate 5 is combined with the static die A, under the cooperation with other external devices, the hydraulic oil is injected into the locking oil cylinder assembly 9, so that the piston rod 94, the intermediate flange 6 and the movable plate 5 move towards the static die A, the movable die B on the movable plate 5 is combined with the static die A, the mold closing is completed, the mold locking structure directly uses the hydraulic rod, the mechanical parts are few, the mechanical wear is reduced, the mold locking precision can be maintained for a long time, the maintenance cost is greatly reduced, the production is not affected due to maintenance, and the mold capacity is large because there is no pull rod, the mold is convenient to install, and the operation space is large.

[0030] The moving arm 17 moves linearly with the movable plate 5, when the movable die B is combined with the static die A and is in the mold closing state, the reinforcing oil cylinder 15 works to drive the reinforcing block 16 to move, the reinforcing block 16 is embedded in the inside of the moving arm 17, so that it is in a firm state, and then plays a reinforcing role, further increases the firmness of the movable plate 5, and makes the movable plate 5 maintain a certain pressure.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel lock mechanism for cold-chamber alloy die casting machines, characterized in that: The mold locking oil cylinder assembly (9) installed on the cold and hot chamber alloy die casting machine platform comprises a first flange (91), a cylinder barrel (92), a second flange (95), a movable piston (93) and a piston rod (94) installed inside the first flange (91), a mold locking cylinder (10) penetrating the movable piston (93) and the piston rod (94), an ejection oil cylinder (7) fixedly connected with one end of the mold locking cylinder (10), an intermediate flange (6) fixedly connected with one end of the piston rod (94), and a movable die plate (5) fixedly connected with the intermediate flange (6). A movable arm (17) is fixedly connected with the outer surface of the movable die plate (5) by bolts, and a concave locking groove (171) is formed in the surface of one end of the movable arm (17). The fixed frame comprises a firm block (11) fixedly connected with the cylinder barrel (92), a connecting column (12) welded at one end of the firm block (11), and a stable frame (13) fixedly connected with the other end of the connecting column (12) by bolts, and a limiting arm (18) is fixedly connected inside the stable frame (13) by bolts. The reinforcing assembly comprises a stable plate (14) fixedly connected on the outer surface of the stable frame (13) by bolts, a reinforcing oil cylinder (15) fixedly connected with the stable plate (14) by bolts, and a reinforcing block (16) fixedly connected with one end of the reinforcing oil cylinder (15). The cold and hot chamber alloy die casting machine platform comprises a rack (1), a shooting mechanism (2) installed on one end of the rack (1), a stationary die plate (3) fixedly connected with the shooting mechanism (2), and a spring plate (4) fixedly connected with the stationary die plate (3).

2. A new locking mechanism for cold heat chamber alloy die casting machine as claimed in claim 1, wherein: A fixed die A is fixedly connected to the surface of the spring plate (4), a movable die B is fixedly connected to the surface of the movable die plate (5) facing the fixed die A, the movable die B moves along the a direction and closes the mold with the fixed die A, and the movable die moves along the b direction and opens the mold with the fixed die A.

3. A new lock mechanism for cold heat chamber alloy die casting machine according to claim 2, characterized in that: The axial direction of the ejection oil cylinder (7), the mold locking cylinder (10) and the piston rod (94) is the same as the straight line direction of the horizontal axis X.

4. A new locking mechanism for cold heat chamber alloy die casting machine as claimed in claim 1, wherein: A limiting groove (181) cooperating with the movable arm (17) is formed in the center position of the surface of the limiting arm (18).

5. A new locking mechanism for cold heat chamber alloy die casting machine as claimed in claim 1, wherein: The stable plate (14) is a "U" type structure, and a square hole is formed in the center position of the stable frame (13) for the reinforcing block (16) to penetrate.

6. A new locking mechanism for cold heat chamber alloy die casting machine as claimed in claim 1, wherein: The reinforcing block (16) is an isosceles trapezoidal solid structure, and the reinforcing block (16) cooperates with the corresponding locking groove (171).

7. A new locking mechanism for cold heat chamber alloy die casting machine as claimed in claim 1, wherein: ​

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