Casting equipment for valve body casting part

Abstract

The utility model discloses casting equipment for a valve body casting part, which comprises two sets of casting dies which are symmetrically arranged, casting cavities are formed in the two sets of casting dies, through grooves are formed in the centers of the casting cavities in the casting dies, and the tops of the two sets of casting dies are hinged through a hinge. The bottoms of the casting molds are positioned and closed through two sets of chucks, when mold closing is needed, the two sets of casting molds are close to each other and abut against each other, the two sets of hinge buckles are shifted, one end of each hinge buckle is pressed into a first clamping seat, and after a limiting elastic block automatically resets, due to the fact that a limiting clamping strip and a positioning clamping strip are mutually clamped and embedded, one end of each hinge buckle is limited and fixed; and at the moment, the two sets of hinge rods are pressed at the same time, so that one ends of the hinge rods enter the second clamping bases, and the lock hooks are clamped into the bottoms of the stop blocks and abut against the bottoms of the stop blocks, so that the other ends of the casting molds are clamped and locked, and mold closing is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body casting equipment technical field, concretely is a kind of casting equipment of valve body casting part. BACKGROUND

[0002] In the casting process of valve body, the size and the smoothness of the surface of valve body are strictly required, and the size inaccuracy will cause low machining precision, and a large amount of mechanical processing is needed for correction in later period, and the smoothness of the surface will affect the overall performance of valve body casting part, and if there are too many bubbles on the surface, the metal strength of valve body will be reduced, therefore, the current valve body casting is more and more inclined to lost foam mold and high-temperature-resistant mold, but the fixing of high-temperature-resistant mold is usually carried out by sealing and compacting method, and needs to rely on equipment for advancing, so as to increase processing cost, and therefore a kind of casting equipment of valve body casting part is needed to solve the above problems. SUMMARY

[0003] The utility model aims at providing a kind of casting equipment of valve body casting part to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of casting equipment of valve body casting part, including casting mold, the two groups of casting mold are symmetrically provided, the inside of two groups of the casting mold is all provided with pouring cavity, the inside of the casting mold is located at the center of the pouring cavity and is provided with through slot, the equal size through rod is clamped and embedded in the through slot, the two ends of the through rod extending out of the casting mold are provided with limiting block limiting, the top of two groups of the casting mold is connected by hinged connector, and the bottom of the casting mold is positioned by two groups of clamping device.

[0005] Preferably, the hinged connector includes a first fixed block fixed to the top of one of the casting molds, a hinged buckle is hinged to one side of the first fixed block, the other end of the hinged buckle penetrates the inside of a first clamping seat, and two groups of limiting elastic blocks elastically installed in the inside of the first clamping seat abut one end of the top of the hinged buckle.

[0006] Preferably, a limiting clamping strip is provided at the bottom of the hinged buckle, and the limiting clamping strip is clamped in the positioning clamping groove provided in the first clamping seat.

[0007] Preferably, the clamping device includes two groups of second fixed blocks fixed to the bottom of one of the casting molds, a hinged rod is hinged to the inner side of two groups of the second fixed blocks, a lock hook is fixedly provided at the bottom of one end of the hinged rod, the lock hook is clamped at the bottom of a blocking block, and the blocking block is elastically installed in the inside of a second clamping seat by a second compression spring.

[0008] Preferably, the first compression spring is arranged in the second clamping seat and abuts against the bottom of the articulated rod.

[0009] Preferably, the pouring cavity is arranged in the casting mold.

[0010] Compared with the prior art, the present application has the following beneficial effects:

[0011] 1. In the present application, when the mold needs to be closed, first, the two sets of casting molds are abutted and the articulated buckles are actuated and pressed into the first clamping seat, and after the limiting elastic blocks are automatically reset, the limiting clamping strip and the positioning clamping strip are mutually clamped, thus limiting and fixing one end of the articulated buckle, positioning and abutting one end of the two sets of casting molds, and then the two sets of articulated rods are pressed at the same time, so that one end of the articulated rod enters the second clamping seat, the lock hook is clamped into the bottom of the blocking block and abuts against the bottom of the blocking block, the other end of the casting mold is clamped, the mold is closed, the structure is simple, the cost is low, batch rapid casting can be realized, and the casting efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure display drawing of the present application;

[0013] Figure 2 It is a structure drawing of the articulated buckle connecting part of the present application;

[0014] Figure 3 It is a connecting drawing of the internal structure part of the casting mold of the present application;

[0015] Figure 4 It is a sectional view of the internal structure of the second clamping seat of the present application.

[0016] In the drawing: 1, casting mold; 2, first fixed block; 3, articulated buckle; 4, first clamping seat; 5, limiting elastic block; 6, limiting clamping strip; 7, positioning clamping groove; 8, pouring port; 9, pouring cavity; 10, through rod; 11, limiting block; 12, second fixed block; 13, articulated rod; 14, lock hook; 15, top block; 16, second clamping seat; 17, first compression spring; 18, second compression spring; 19, blocking block. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Embodiment One

[0019] Referring to Figures 1-4 The utility model provides a kind of casting equipment of valve body casting, including casting mould 1, two groups are symmetrically provided to casting mould 1, the inside of two groups of casting mould 1 is all provided with pouring cavity 9, the inside of casting mould 1 is located at the top of pouring cavity 9 and is also provided with the injection port 8 that gradually expands outward, the inside of casting mould 1 is located at the center of pouring cavity 9 and is provided with through slot, equal size through rod 10 is clamped and embedded in through slot, the both ends of through rod 10 extending out of casting mould 1 are provided with limiting block 11 limit, the top of two groups of casting mould 1 is connected by hinged connector, the bottom of casting mould 1 is positioned by two groups of clamping device.

[0020] Specifically, the hinged connector includes the first fixed block 2 fixed at the top of one group of casting mould 1, the first fixed block 2 is hinged with the hinged buckle 3 on one side, the other end of the hinged buckle 3 penetrates into the inside of the first clamping seat 4, and the two groups of limiting elastic blocks 5 elastically installed in the inside of the first clamping seat 4 abut on the top of one end of the hinged buckle 3, the limiting elastic block 5 is a spring block that can be retracted inward, so that one end of the hinged buckle 3 can be extruded into the first clamping seat 4, and the hinged buckle 3 can also be limited, the bottom of the hinged buckle 3 is provided with the limiting clamping strip 6, and the limiting clamping strip 6 is clamped in the positioning clamping groove 7 provided in the first clamping seat 4, the clamping device includes the two groups of second fixed blocks 12 fixed at the bottom of one group of casting mould 1, the inner side of the two groups of second fixed blocks 12 is hinged with the hinged rod 13, the bottom of one end of the hinged rod 13 is fixedly provided with the lock hook 14, the lock hook 14 is clamped at the bottom of the blocking block 19, the blocking block 19 is elastically installed in the inside of the second clamping seat 16 through the second compression spring 18, the first compression spring 17 is installed in the inside of the second clamping seat 16, the first compression spring 17 abuts on the bottom of the hinged rod 13, and the bottom of the hinged rod 13 is provided with the top block 15 above the lock hook 14.

[0021] Working principle: when the mold needs to be closed, first, two groups of casting moulds 1 are close to abut, and two groups of hinged buckles 3 are actuated, one end of the hinged buckle 3 is pressed into the first clamping seat 4, and after the limiting elastic block 5 is automatically reset, because the limiting clamping strip 6 and the positioning clamping strip 7 are clamped with each other, one end of the hinged buckle 3 can be limited and fixed, so that one end of the two groups of casting moulds 1 is positioned and abutted;

[0022] At this time, press two groups of hinged rods 13 at the same time, so that one end of the hinged rod 13 enters the inside of the second clamping seat 16, and the lock hook 14 is clamped into the bottom of the blocking block 19, and abuts on the bottom of the blocking block 19, so as to lock the other end of the casting mould 1, complete the mold closing, the injection port 8 can add molten metal solution to pour;

[0023] When the casting is finished and needs to be demoulded, the two sets of articulated rods 13 are pressed inward, the top block 15 extrudes the blocking block 19, after the pressing is released, under the reaction force of the first compression spring 17, the articulated rod 13 drives the locking hook 14 to be quickly popped out outward, so as to be separated from the limiting.

[0024] The contents not described in detail in the description belong to the prior art known to the person skilled in the art.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A casting apparatus for a valve body casting, comprising a casting mold (1) which is provided in two sets symmetrically, characterized in that: The inside of the casting mold (1) is provided with a pouring cavity (9), and the inside of the casting mold (1) is provided with a through groove at the center of the pouring cavity (9), the through groove is clamped with a through rod (10) with equal size, the through rod (10) is provided with a limiting block (11) at both ends of the casting mold (1), the top of the two groups of casting molds (1) is connected by a hinged connector, and the bottom of the casting mold (1) is positioned by two groups of clamping devices.

2. The casting apparatus of claim 1, wherein: The hinged connector comprises a first fixed block (2) fixed on the top of a group of casting molds (1), one side of the first fixed block (2) is hinged with a hinge buckle (3), the other end of the hinge buckle (3) penetrates into the inside of a first clamping seat (4), and two groups of limiting elastic blocks (5) elastically installed in the inside of the first clamping seat (4) abut against one end of the top of the hinge buckle (3).

3. The apparatus according to claim 2, wherein: The bottom of the hinge buckle (3) is provided with a limiting clamping strip (6), and the limiting clamping strip (6) is clamped in the positioning clamping groove (7) arranged in the first clamping seat (4).

4. The apparatus for casting a valve body casting of claim 1 wherein: The clamping device comprises two groups of second fixed blocks (12) fixed on the bottom of a group of casting molds (1), the inner side of the two groups of second fixed blocks (12) is hinged with a hinge rod (13), the bottom of one end of the hinge rod (13) is fixedly provided with a lock hook (14), the lock hook (14) is clamped on the bottom of a blocking block (19), and the blocking block (19) is elastically installed in the inside of a second clamping seat (16) through a second compression spring (18).

5. The apparatus of claim 4, wherein: The inside of the second clamping seat (16) is provided with a first compression spring (17), the first compression spring (17) abuts against the bottom of the hinge rod (13), and the bottom of the hinge rod (13) is provided with a top block (15) above the lock hook (14).

6. The apparatus for casting a valve body casting of claim 1 wherein: The inside of the casting mold (1) is provided with an outwardly expanding material injection port (8) at the top of the pouring cavity (9).

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