CN217941820U

CN217941820U - Mold closing positioning device for low-pressure casting

Info

Publication number: CN217941820U
Application number: CN202222127795.5U
Authority: CN
Inventors: 郑若谷
Original assignee: Zhengzhou Zhengfei Forging Co ltd
Current assignee: Zhengzhou Zhengfei Forging Co ltd
Priority date: 2022-08-13
Filing date: 2022-08-13
Publication date: 2022-12-02
Anticipated expiration: 2032-08-13

Abstract

The utility model relates to a low pressure casting equipment, especially, relate to a low pressure casting that is used for closing type location between furnace body and the moulding box is with closing type positioner, including being used for with stalk matched with sleeve pipe, bushing has two piece at least cantilevers, be provided with on the cantilever with bell matched with locating pin, be provided with on the bell with locating pin matched with down the locating hole, be provided with on the moulding box with locating pin matched with last locating hole, the locating pin can be dismantled with the cantilever and be connected, measure the distance between locating hole and the stalk down, corresponding position department installs the locating pin on the cantilever, obtain the pre-installation setting element, when making the moulding box, connect the setting element pre-installation, and then obtain the locating hole through the locating pin, when closing, insert down in the locating hole earlier the locating pin, hoist and mount the moulding box, slowly transfer the moulding box, insert in the locating hole to the locating pin, the location is accomplished, the stalk is right with the moulding box sprue at this moment, the location is convenient, one only needs a positioner can realize the location to a plurality of moulding box.

Description

Mold closing positioning device for low-pressure casting

Technical Field

The utility model relates to a low pressure casting equipment especially relates to a low pressure casting is with closing type positioner who is used for closing type location between furnace body and the mould case.

Background

The low-pressure casting refers to that a mould box is connected above a furnace body, molten liquid in the furnace body is hydraulically pressed into the mould box through air pressure, the molten metal in a mould cavity is fully filled through the pressure, after a casting is solidified, the air pressure is relieved, the mould box is dismounted, the casting is taken out, and a large thin-wall part can be cast.

In the process of connecting the mould box with the furnace body, the mould box needs to be positioned, so that the riser tube can be ensured to be right opposite to the injection port of the mould box, the mould box is connected with the riser tube in a sealing manner, and the stability of injection molding is ensured.

The positioning method has the advantages that the matched tooling of the low-pressure casting equipment is used, the positioning groove is formed in the bottom box in a molding mode and is matched with the positioning pin at the top of the furnace cover, and the positioning of the mold box and the furnace body is realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide one kind and can fix a position fast, and the low pressure casting that the commonality is strong is with closing type positioner.

The utility model discloses a realize through following technical scheme: the utility model provides a low pressure casting is with closing type positioner, is including being used for with stalk matched with sleeve pipe, bushing connection has two piece at least cantilevers, be provided with on the cantilever with bell matched with locating pin, be provided with on the bell with locating pin matched with locating pin locating hole down, be provided with on the moulding box with locating pin matched with last locating hole, the locating pin can be dismantled with the cantilever and be connected.

Furthermore, the cantilever is provided with a long-strip-shaped positioning pin mounting opening, the positioning pin mounting opening is arranged along the length direction of the cantilever, the positioning pin mounting opening extends to the end part of the cantilever, and the positioning pin can slide along the positioning pin mounting opening.

Furthermore, a groove matched with the positioning pin mounting opening is machined in the middle position of the positioning pin.

Furthermore, the cantilever is flexible cantilever, flexible cantilever includes outer tube and the telescopic link of cartridge in the outer tube.

Furthermore, the positioning pin is connected with the telescopic rod, the outer tube is connected with the sleeve, an operating rod is arranged at the inner end of the telescopic rod and is perpendicular to the telescopic rod, and a long-strip-shaped guide opening matched with the telescopic rod is processed in the outer tube.

The beneficial effects of the utility model reside in that: the low pressure casting is with closing positioner, including being used for with stalk matched with sleeve pipe, the bushing connection has two piece at least cantilevers, be provided with on the cantilever with bell matched with locating pin, be provided with on the bell with locating pin matched with lower locating hole, be provided with on the mould case with locating pin matched with last locating hole, the locating pin can be dismantled with the cantilever and be connected, it has reserve connecting hole to process at the bell edge of furnace body, select two at least as lower locating hole, measure the distance between locating hole and the stalk down, the locating pin is installed to corresponding position department on the cantilever, obtain the pre-installation setting element, when making the mould case, connect the pre-installation setting element, and then obtain the locating hole through the locating pin, when closing, insert the locating pin in the lower locating hole earlier, hoist the mould case, slowly lower the mould case, insert in the locating hole to the locating pin, the location is accomplished, and the stalk is right to the mould case sprue at this moment, and location convenience, and one only need one positioner can realize the location to a plurality of mould cases.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic top view of the cantilever according to embodiment 1;

FIG. 3 is a schematic top view of the embodiment 2;

FIG. 4 is a schematic front view of a dowel of example 2;

FIG. 5 is a schematic top view of the preferred embodiment 3;

FIG. 6 is a schematic front view of embodiment 3.

Wherein: 1. a sleeve; 2. a cantilever; 3. positioning pins; 4. a jack; 5. a positioning pin mounting port; 6. a stud; 7. an outer tube; 8. a telescopic rod; 9. a guide port; 10. an operating lever.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, a mold assembling positioning device for low pressure casting comprises a sleeve 1 for matching with a riser, the sleeve is sleeved outside the riser or inserted into the riser, in this embodiment, the sleeve is inserted into the riser and is in clearance fit with the riser, the sleeve is connected with at least two cantilevers 2, positioning pins 3 matched with a furnace cover are installed on the cantilevers, lower positioning holes matched with the positioning pins are formed on the furnace cover, connecting holes are formed in the edge of the furnace cover of a furnace body, the connecting holes corresponding to the positioning pins are selected as the lower positioning holes, under a general condition, the two cantilevers can meet the use requirement, the two positioning pins can position a straight line, under the condition that the main body direction of a mold box is determined, the two positioning pins can realize accurate positioning, it is noted that an included angle between the two cantilevers can be any angle, the two positioning pins can correspond to two different connecting holes, for convenient operation from two sides, an included angle between the two cantilevers is 120-180 degrees, positioning holes matched with the positioning pins are formed on the mold box, and the positioning pins can be detachably connected with the cantilevers, and are specifically in an inserting manner.

The distance between the lower locating hole and the riser tube is measured, the jack 4 is processed at the corresponding position on the cantilever, the locating pin is installed to obtain a preassembly locating piece, the preassembly locating piece is connected when the mold box is manufactured, the locating hole is obtained through the locating pin, the locating pin is inserted into the lower locating hole firstly when the mold box is closed, the mold box is hoisted, the mold box is slowly placed, the locating hole is inserted into the locating hole, the locating is completed, the riser tube is right opposite to the injection port of the mold box at the moment, the locating is convenient, and one furnace body can realize the locating of a plurality of mold boxes only by one locating device.

Example 2

As shown in fig. 3-4, a low pressure casting is with closing type positioner, different from embodiment 1, the cantilever is processed with the locating pin installing port 5 of rectangular shape, the locating pin installing port distributes along the cantilever length direction, the locating pin installing port extends to the cantilever tip, the locating pin can slide along the locating pin installing port, the locating pin intermediate position is processed with the slot with locating pin installing port matched with, and then adjust according to different furnace bodies, make the mark in locating pin installing port relevant position department after adjusting, slide the locating pin to the mark department and fix when using next time, for convenient fixing, the locating pin includes two end caps, connect through the double-screw bolt 6 between two end caps, form the slot between the end caps, can adjust the width of the slot through the end cap, and then clamp the lateral wall of the locating pin installing port, realize fixing.

Example 3

As shown in fig. 5-6, a mold closing positioning device for low pressure casting, which is different from embodiment 2, the cantilever is a telescopic cantilever, the telescopic cantilever comprises an outer tube 7 and a telescopic rod 8 inserted in the outer tube, the positioning pin is connected with the telescopic rod, the outer tube is connected with a sleeve, an operating rod 10 is fixed at the inner end of the telescopic rod, the operating rod is perpendicular to the telescopic rod, a strip-shaped guide opening 9 matched with the telescopic rod is processed on the outer tube, the operating rod is installed, the telescopic cantilever can be more easily operated to stretch, the telescopic cantilever is selected for use, the position of the positioning pin can be adjusted to a greater extent, and the positioning device is suitable for more furnace bodies, and has the defect of reduced stability.

In addition, in the process of closing the mould, the telescopic rod is extracted, the locating pin is connected through the locating pin mounting hole, the telescopic rod extends to the outside of the furnace cover, the line is drawn outside the furnace cover and the mould box, the position of the telescopic rod is adjusted firstly, the operating rod is enabled to be right opposite to the drawn line on the furnace cover, in the process of hoisting the mould box, the position of the drawn line on the operating rod and the mould box is observed, the reference can be provided, the adjustment is convenient, the locating is faster, and the telescopic rod can be extracted through the operating rod after the locating is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a low pressure casting is with closing type positioner, its characterized in that, including be used for with stalk matched with sleeve pipe, the bushing has two piece at least cantilevers, be provided with the locating pin with bell matched with on the cantilever, be provided with down the locating hole with locating pin matched with on the bell, be provided with the last locating hole with locating pin matched with on the moulding box, the locating pin can be dismantled with the cantilever and be connected.

2. The mold close positioning device for low pressure casting according to claim 1, wherein: the cantilever is provided with a long-strip-shaped positioning pin mounting hole, the positioning pin mounting hole is arranged along the length direction of the cantilever, the positioning pin mounting hole extends to the end part of the cantilever, and the positioning pin can slide along the positioning pin mounting hole.

3. The mold close type positioning apparatus for low pressure casting according to claim 2, wherein: and a groove matched with the positioning pin mounting hole is processed in the middle of the positioning pin.

4. The mold closing positioning device for low pressure casting according to any one of claims 1 to 3, wherein: the cantilever is flexible cantilever, flexible cantilever includes outer tube and cartridge telescopic link in the outer tube.

5. The mold close positioning device for low pressure casting according to claim 4, wherein: the locating pin is connected with the telescopic rod, the outer tube is connected with the sleeve, an operating rod is arranged at the inner end of the telescopic rod and is perpendicular to the telescopic rod, and a long-strip-shaped guide opening matched with the telescopic rod is machined in the outer tube.