Locking device of counter-pressure casting machine

Abstract

The utility model provides a locking device of a counter-pressure casting machine, which comprises a top frame plate, a hydraulic wedge, auxiliary rods, a piston rod, a piston sleeve, a mounting and inserting hole, a locking device, a supporting column, a heat preserving furnace, a bottom plate, a bottom frame, a side edge lining bar and a mold group, the hydraulic wedge is arranged in the middle of the top frame plate, and the auxiliary rods are further mounted on the left side and the right side of the hydraulic wedge. Piston rods are arranged at the four corners of the bottom face of the top frame plate and connected with the piston sleeves, the heat preservation furnace is arranged on the bottom plate, a plurality of supporting columns are further arranged around the bottom plate, the top position of the heat preservation furnace is used for placing a mold set, bottom frames are arranged on the left side and the right side of the bottom plate, and side edge cushion rods are connected between the bottom frames; the counter-pressure casting machine locking device is reasonable in structure and easy to operate, the counter-pressure casting machine can have the rapid locking function, and the production efficiency is stabilized while the production quality of castings is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a locking device of differential pressure casting machine belongs to differential pressure casting machine technical field. BACKGROUND

[0002] Differential pressure casting machine is an advanced efficient casting equipment, it is mainly used in production high quality aluminium alloy, magnesium alloy etc. casting, differential pressure casting machine mainly comprises furnace, hydraulic system, mechanical system, electrical system, mould, runner, goose neck pipe etc. part, the working principle of differential pressure casting machine mainly is through pressure control melt metal's flow velocity, and forms certain pressure in mould, makes metal keep pressure in solidification process, thereby obtains more compact and even casting, specifically, differential pressure casting machine before melt metal enters mould, first melts metal in furnace, then through runner sends melt metal to mould, after metal enters mould, equipment will control metal's flow through goose neck pipe, and keeps certain pressure, when metal completely solidifies, equipment will open mould, takes out casting.

[0003] Traditional differential pressure casting machine locking mechanism cannot realize quick locking function, is not favorable to casting production safety, also influences casting production efficiency and production quality, is not favorable to equipment realizes automation, not only is not favorable to production safety, also influences production efficiency, therefore the urgent need of a kind of locking device of differential pressure casting machine to solve the above problems. CONTENT OF UTILITY MODEL

[0004] In view of the deficiencies of prior art, the utility model aims at providing a locking device of differential pressure casting machine to solve the problems in the background art, the utility model has reasonable structure, simple operation, can make differential pressure casting machine have quick locking function, guarantee casting production quality while stabilizing production efficiency.

[0005] In order to achieve the above object, the utility model is through the following technical scheme to realize: a locking device of differential pressure casting machine, including roof plate, hydraulic wedge, auxiliary rod, piston rod, piston sleeve, insertion hole, locking device, support column, holding furnace, bottom plate, chassis, side edge spacer and mould group, the middle part of roof plate is provided with hydraulic wedge, and the left and right sides of hydraulic wedge are additionally provided with auxiliary rod, the bottom surface four corners of roof plate are provided with piston rod, and piston rod is connected together with piston sleeve, the holding furnace is set up on bottom plate, and a plurality of support columns are additionally provided around bottom plate, the top position of holding furnace is used for placing mould group, the left and right sides of bottom plate are provided with chassis, and the chassis is connected with side edge spacer, the locking device is divided into lock part and limiting component, wherein the limiting component is arranged on the left and right sides of lock part, the lock part is installed at the position of hydraulic wedge, the lock part includes lock frame, main through hole, side edge through hole, intercepting hole, bottom leg and limiting bolt, the left and right sides of lock frame are provided with side edge through hole, and main through hole is set up in the middle position of lock frame, the bottom of lock frame is additionally provided with bottom leg, the side surface of lock frame corresponding with main through hole is provided with intercepting hole, the limiting component includes U type board, control box, signal controller, telescopic rod and positioning cylinder, the U type board is respectively arranged at the position of side edge through hole, and the both sides of U type board are additionally provided with positioning cylinder, the positioning cylinder is fixed with control box through connected telescopic rod, and control box is additionally provided with signal controller.

[0006] Further, the control box is welded and fixed on the top surface of the lock frame, and the transmission motor is connected with the telescopic rod.

[0007] Further, the size of the side edge through hole opened on the left and right sides of the U-shaped plate and the lock frame is matched.

[0008] Further, the size of the intercepting hole provided on the lock frame is matched with the size of the insertion hole, and a limiting bolt is added to be inserted and fixed.

[0009] Further, the inner diameters of the main through hole and the side edge through hole are matched with the size of the hydraulic wedge and the auxiliary rod.

[0010] Further, a plurality of insertion holes with the same inner diameter are opened on the hydraulic wedge.

[0011] The utility model discloses an advantageous effect: the utility model discloses a locking device of differential pressure casting machine, because the utility model adds main through -hole, side through -hole, intercepts the hole, limit bolt, U type board, control box and telescopic link, through the control box control telescopic link to U type board carries out transverse movement, makes U type board help to intercept the auxiliary rod of side through -hole position, makes it reach the deceleration effect, and uses limit bolt and inserts the insertion hole of hydraulic wedge, makes the hydraulic wedge of main through -hole position can carry out the limitation, whole reaches the state of locking. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non - limiting embodiments with reference to the accompanying drawings:

[0013] Figure 1 It is whole structure schematic diagram of differential pressure forging machine for the locking device of differential pressure casting machine of the utility model;

[0014] Figure 2 It is partial structure schematic diagram of differential pressure forging machine for the locking device of differential pressure casting machine of the utility model;

[0015] Figure 3 It is main body structure schematic diagram for the locking device of differential pressure casting machine of the utility model;

[0016] Figure 4 It is lock part structure schematic diagram for the locking device of differential pressure casting machine of the utility model;

[0017] Figure 5 It is limit component structure schematic diagram for the locking device of differential pressure casting machine of the utility model;

[0018] In the drawing: 1-top frame board, 2-hydraulic wedge, 3-auxiliary rod, 4-piston rod, 5-piston sleeve, 6-insertion hole, 7-locking device, 8-supporting column, 9-heat preservation furnace, 10-bottom plate, 11-bottom frame, 12-side edge spacer, 13-mold group, 71-lock part, 711-lock holder, 712-main through -hole, 713-side through -hole, 714-intercept hole, 715-bottom leg, 716-limit bolt, 72-limit component, 721-U type board, 722-control box, 723-signal controller, 724-telescopic link, 725-positioning cylinder DETAILED DESCRIPTION

[0019] In order to make the technical means, creation features, achieve purposes and effects of the utility model easy to understand, the following further elaborates the utility model in combination with specific implementation.

[0020] Please refer to Figures 1-5The utility model provides a technical solution: a locking device of a differential pressure casting machine, comprising a top frame plate 1, a hydraulic wedge 2, an auxiliary rod 3, a piston rod 4, a piston sleeve 5, an insertion hole 6, a locking device 7, a support column 8, an insulation furnace 9, a bottom plate 10, a bottom frame 11, a side pad 12 and a mold group 13. A hydraulic wedge 2 is provided in the middle part of the top frame plate 1, and an auxiliary rod 3 is also installed on the left and right sides of the hydraulic wedge 2. Piston rods 4 are provided at the four corners of the bottom surface of the top frame plate 1, and the piston rod 4 is connected to the piston sleeve 5 together. The insulation furnace 9 is provided on the bottom plate 10, and a plurality of support columns 8 are also provided around the bottom plate 10. The top position of the insulation furnace 9 is used to place the mold group 13. Bottom frames 11 are provided on the left and right sides of the bottom plate 10, and side pads 12 are connected between the bottom frames 11. The locking device 7 is divided into a lock part 71 and a limiting member 72, wherein the limiting member 72 is arranged on the left and right sides of the lock part 71. On the right side, the lock part 71 is installed at the hydraulic wedge 2 position. The lock part 71 includes a lock frame 711, a main through hole 712, a side through hole 713, an interception hole 714, a bottom leg 715 and a limiting latch 716. The lock frame 711 has side through holes 713 on both sides, and the main through hole 712 is opened in the middle of the lock frame 711. The bottom of the lock frame 711 is also provided with a bottom leg 715. The lock frame 711 corresponds to the main through hole 712. An interception hole 714 is provided on the side, and the limiting component 72 includes a U-shaped plate 721, a control box 722, a signal controller 723, a telescopic rod 724 and a positioning cylinder 725. The U-shaped plates 721 are respectively placed at the positions of the side through holes 713, and positioning cylinders 725 are also installed on both sides of the U-shaped plates 721. The positioning cylinders 725 are fixed to the control box 722 through the connected telescopic rods 724, and the control box 722 is equipped with a signal controller 723.

[0021] As the first embodiment of the present invention: the inner diameters of the main through hole 712 and the side through hole 713 are adapted to the size of the hydraulic wedge 2 and the auxiliary rod 3, and the hydraulic wedge 2 is provided with a plurality of insertion holes 6 of the same inner diameter. This design achieves a locking effect by controlling the hydraulic wedge 2 and the auxiliary rod 3 respectively. The structure is simple and the effect is outstanding. The size of the intercepting hole 714 provided on the lock frame 711 matches the size of the insertion hole 6, and a limiting latch 716 is added for insertion and fixing. This design uses the limiting latch 71 6 passes through the interception hole 714 and connects to the insertion hole 6 on the hydraulic wedge 2, ensuring that the hydraulic wedge 2 cannot operate downward, thereby achieving a locking effect. The control box 722 is welded and fixed to the top surface of the lock frame 711, and a transmission motor is installed at the bottom of the control box 722 to connect with the telescopic rod 724. The U-shaped plate 721 is the same size as the side through holes 713 opened on the left and right sides of the lock frame 711. This design uses the transmission motor to control the telescopic rod 724 to move the U-shaped plate 721 horizontally, which helps to intercept the auxiliary rod 3 on the side through hole 713.

[0022] As the second embodiment of the utility model: the differential pressure casting machine is in work castings, through the hydraulic wedge 2 of top frame board 1 position drive auxiliary rod 3 to push down, and the periphery of piston rod 4 will shrink in the piston sleeve 5 synchronously, so that the mold group 13 of castings will close the mold, ensure the forming of castings, in order to guarantee the production quality and safety of castings, in the process of hydraulic wedge 2 drive auxiliary rod 3 to push down locking device 7 control, the limiting member 72 in locking device 7 is controlled by signal controller 723 through control box 722, and the telescopic rod 724 is pushed to stretch out and draw back by using internal transmission motor, so that the U-shaped plate 721 on the positioning cylinder 725 connected with telescopic rod 724 will be close to auxiliary rod 3 and be limited, at the same time, because auxiliary rod 3 receives the influence of deceleration, the downward pushing process of hydraulic wedge 2 is slow, when the insertion hole 6 on the hydraulic wedge 2 corresponds with the intercepting hole 714 on the lock holder 711, the limiting pin 716 is used to penetrate and intercept, so that the hydraulic wedge 2 is partially intercepted by the limiting pin 716, and cannot be pushed down, and the whole hydraulic wedge 2 and auxiliary rod 3 are in the locking state.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and for those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, so as to include all changes falling within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A locking device for a differential pressure casting machine, comprising a top frame plate (1), a hydraulic wedge (2), an auxiliary rod (3), a piston rod (4), a piston sleeve (5), an insertion hole (6), a locking device (7), a support column (8), a heat preservation furnace (9), a bottom plate (10), a bottom frame (11), a side pad (12) and a die set (13), characterized in that: A hydraulic wedge (2) is provided in the middle part of the top frame plate (1), and auxiliary rods (3) are installed on the left and right sides of the hydraulic wedge (2). Piston rods (4) are provided at the four corners of the bottom surface of the top frame plate (1), and the piston rods (4) are connected to the piston sleeve (5). The heat preservation furnace (9) is provided on the bottom plate (10), and a plurality of support columns (8) are provided around the bottom plate (10). The top position of the heat preservation furnace (9) is used to place the mold group (13). The left and right sides of the bottom plate (10) are provided with base frames (11), and side pads (12) are connected between the base frames (11). The locking device (7) is divided into a lock part (71) and a limiting member (72), wherein the limiting member (72) is arranged on the left and right sides of the lock part (71), and the lock part (71) is installed at the position of the hydraulic wedge (2); The lock part (71) includes a lock frame (711), a main through hole (712), a side through hole (713), an interception hole (714), a bottom leg (715) and a limiting latch (716). The lock frame (711) is provided with side through holes (713) on both sides, and the main through hole (712) is provided in the middle of the lock frame (711). The bottom of the lock frame (711) is also provided with a bottom leg (715). The side of the lock frame (711) corresponding to the main through hole (712) is provided with an interception hole (714). 714), the limiting member (72) includes a U-shaped plate (721), a control box (722), a signal controller (723), a telescopic rod (724) and a positioning cylinder (725), the U-shaped plate (721) is respectively placed at the position of the side through hole (713), and the U-shaped plate (721) is also equipped with positioning cylinders (725) on both sides, the positioning cylinders (725) are fixed to the control box (722) through the connected telescopic rod (724), and the control box (722) is equipped with a signal controller (723).

2. The locking device of a differential pressure casting machine according to claim 1, characterized in that: The hydraulic wedge (2) is provided with a plurality of insertion holes (6) with the same inner diameter.

3. The locking device of a differential pressure casting machine according to claim 1, characterized in that: The inner diameters of the main through hole (712) and the side through hole (713) are both adapted to the sizes of the hydraulic wedge (2) and the auxiliary rod (3).

4. The locking device of a differential pressure casting machine according to claim 1, characterized in that: The size of the intercepting hole (714) provided on the lock frame (711) matches the size of the insertion hole (6), and a limiting latch (716) is added for insertion and fixing.

5. The locking device of a differential pressure casting machine according to claim 1, characterized in that: The U-shaped plate (721) is of the same size as the side through holes (713) opened on the left and right sides of the lock frame (711).

6. The locking device of a differential pressure casting machine according to claim 1, characterized in that: The control box (722) is welded and fixed to the top surface of the lock frame (711), and a transmission motor connected to the telescopic rod (724) is arranged at the bottom of the control box (722).

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