Molten iron pouring mold

Abstract

The utility model relates to the technical field of molten iron molds, in particular to a molten iron pouring mold which comprises a mold bottom plate, cushion blocks are arranged on the top of the mold bottom plate and close to the four corners, the tops of the cushion blocks are rotationally connected with tablet pressing plates, and locking handles are movably connected in the tablet pressing plates. Four groups of tabletting plates are arranged at the top of the mold bottom plate, a plurality of groups of outer pipe hoops which are stacked are arranged at the top of the mold bottom plate and are positioned among the four groups of tabletting plates, each outer pipe hoop consists of two groups of semi-bent clamping plates, and boss edges are arranged at the top and the bottom of each semi-bent clamping plate along the edge. The structure formed by splicing and combining the multiple sets of outer pipe hoops and the solid inner pipe can meet the pouring requirements of iron pipe castings with different heights and sizes, the applicability is wider, and the structure is more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hot metal mold technical field, concretely is a kind of hot metal pouring mold. BACKGROUND

[0002] In steel smelting process, blast furnace is the high-temperature equipment of continuous production, mainly used for producing high-temperature hot metal, hot metal pouring refers to the liquid iron alloy (commonly known as hot metal) is injected into mold, so that it solidifies into ingot process, this process is usually used to manufacture various metal products, such as cast iron parts etc.

[0003] When using hot metal to pour hollow tubular cast iron parts, usually all use fixed mold pouring, but due to the height size of large hollow pipe castings is different, it needs to use multiple groups of different specifications mold, it is very inconvenient, and there is the drawback of slow efficiency when demolding.

[0004] Therefore, it is particularly important to design a hot metal pouring mold to change the above technical defects and improve overall practicability. INVENTION CONTENTS

[0005] The utility model is provided with a kind of hot metal pouring mold to solve the problems presented in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of hot metal pouring mold, including mold base plate, the top of the mold base plate and near four corners are all provided with cushion block, the top of the cushion block is rotatably connected with the pressing sheet, the inside of the pressing sheet is movably connected with locking handle, the top of the mold base plate and between four groups of pressing sheet The position is provided with multiple groups of stacked and placed outer pipe hoop, the outer pipe hoop is composed of two groups of half-bent clamping plates, the top and bottom of the half-bent clamping plate are all provided with boss edge along the rim, the front and rear ends of the same side of the two groups of half-bent clamping plates are all provided with closed ear plate, the front and rear ends of the same side of the two groups of boss edges at bottom are all provided with connecting plate, multiple groups of the connecting plate are connected by connecting screw rod, the top of the mold base plate and at the center point position of outer pipe hoop is provided with positioning plug rod, the top of the mold base plate and at the position of positioning plug rod is inserted with multiple groups of stacked and placed solid inner tube, the inner side of the outer pipe hoop and the outer side of the solid inner tube are all wall-attached with adhesive sand layer, the outer side of the adhesive sand layer is wall-attached with pouring paraffin layer.

[0008] As the preferred scheme of the utility model, the top of the mold base plate and near four corners are all inwardly provided with locking inner screw hole below the pressing sheet, wherein the connection mode between locking inner screw hole and locking handle is screw connection.

[0009] As the preferred scheme of the utility model, the tablet pressing plate is pressed at the top position of the boss edge located at the bottom.

[0010] As the preferred scheme of the utility model, the two groups of closed ear plates at the same position are fixedly connected through bolts.

[0011] As the preferred scheme of the utility model, the through hole is arranged at the position corresponding to the connecting screw rod in the connecting plate, and the top end and the bottom end of the connecting screw rod are threadedly connected with lock nuts.

[0012] As the preferred scheme of the utility model, the height of the solid inner tube is consistent with the height of the outer pipe hoop.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] In the utility model, the structure that a plurality of outer pipe hoops and solid inner tubes are assembled and combined can meet the pouring requirements of iron pipe castings with different height dimensions, has wider applicability, and is more practical.

[0015] In the utility model, the inner side of the outer pipe hoop and the outer side of the solid inner tube are first uniformly and evenly coated with a layer of cohesive sand layer, and then a layer of pouring paraffin layer is uniformly and evenly coated on the outer side of the cohesive sand layer, so that the two-layer structure can be quickly demolded by being broken by hammering action after successful pouring, and the pouring paraffin layer can form a protective layer for the cohesive sand layer, thereby avoiding the failure of pouring caused by partial collapse. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure perspective view of the utility model;

[0017] Figure 2 It is a partial structure schematic view of the utility model;

[0018] Figure 3 It is a local sectional structure view of the utility model.

[0019] In the drawing: 1, mold bottom plate; 2, cushion block; 201, tablet pressing plate; 202, locking handle; 3, outer pipe hoop; 301, half-bent clamping plate; 302, boss edge; 303, closed ear plate; 304, connecting plate; 305, connecting screw rod; 4, positioning plug rod; 5, solid inner tube; 6, cohesive sand layer; 7, pouring paraffin layer. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with the embodiments of the utility model below, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0024] Embodiments, please see Figures 1-3 The utility model provides a technical scheme:

[0025] A molten iron pouring mold, including mold base plate 1, the top of mold base plate 1 and close to four corner places are provided with pad 2, the top of pad 2 is rotatably connected with tablet press plate 201, the inside of tablet press plate 201 is movably connected with locking handle 202, the top of mold base plate 1 and the position between four sets of tablet press plate 201 are provided with a plurality of groups of stacked and placed outer pipe hoop 3, the top of mold base plate 1 and the center point position of outer pipe hoop 3 are provided with positioning inserting rod 4, the top of mold base plate 1 and the position of positioning inserting rod 4 are inserted with a plurality of groups of stacked and placed solid inner tube 5, the inner side of outer pipe hoop 3 and the outer side of solid inner tube 5 are all wall-attached with viscous sand layer 6, the outer side of viscous sand layer 6 is wall-attached with pouring paraffin layer 7, pouring paraffin layer 7 can form a protective layer to viscous sand layer 6, also avoid a small part of collapse to cause pouring failure;

[0026] The top of the mold base plate 1 is provided with locking inner threaded holes below the pressing plate 201 near the four corners, and the connection mode between the locking inner threaded holes and the locking handle 202 is threaded connection, so that the pressing plate 201 can press the boss edge 302 to avoid displacement of the outer pipe hoop 3, and also ensure the bottom sealing property.

[0027] In this embodiment, please refer to Figure 1 and Figure 2 and Figure 3 The outer pipe hoop 3 is composed of two groups of half-bent clamping plates 301, the top and bottom of the half-bent clamping plate 301 are provided with boss edges 302 along the edge, the front and rear ends of the two groups of half-bent clamping plates 301 towards the same side are provided with closed ear plates 303, the front and rear ends of the two groups of boss edges 302 at the bottom towards the same side are provided with connecting plates 304, and the connecting plates 304 are connected through connecting screws 305.

[0028] The two groups of closed ear plates 303 at the same position are fixedly connected through bolts, the connecting plate 304 is provided with a through hole at the position corresponding to the connecting screw 305, and the top and bottom ends of the connecting screw 305 are threadedly connected with locking nuts.

[0029] The working process of the utility model is as follows: in use, the two groups of half-bent clamping plates 301 are closed to form the outer pipe hoop 3 and are placed on the mold base plate 1, then the closed ear plates 303 are fixed through bolts, then the pressing plate 201 on the pad 2 is rotated to press the boss edge 302 at the bottom and is fixed through the locking handle 202, the fixing of the outer pipe hoop 3 at the bottom is completed, then one group of solid inner pipes 5 is inserted into the positioning inserting rod 4 for fixation, then a layer of adhesive sand layer 6 is evenly and smoothly laid on the inner side of the outer pipe hoop 3 and the outer side of the solid inner pipe 5, then a layer of pouring paraffin layer 7 is evenly and smoothly laid on the outer side of the adhesive sand layer 6, and then the hollow iron pipe is installed according to the height requirement, the whole sealing is completed through the fixation of the connecting screw 305 to the connecting plate 304, after the end, the molten iron is poured into the mold, after cooling and solidification, the outer pipe hoop 3 and the solid inner pipe 5 are taken out, and the fast demolding is achieved through the hammering action, the formed product is taken out, the speed is fast and the efficiency is high, the pouring paraffin layer 7 can form a protective layer for the adhesive sand layer 6, and the pouring failure caused by small part collapse is avoided, the structure of the multiple outer pipe hoops 3 and solid inner pipes 5 can meet the pouring requirements of iron pipe castings with different height dimensions, the applicability is wider, and the utility model is more practical.

[0030] 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 molten iron pouring mold comprising a mold bottom plate (1), characterized by: The top of the mold base plate (1) is provided with a cushion block (2) near the four corners, the top of the cushion block (2) is rotatably connected with a tablet pressing plate (201), the inside of the tablet pressing plate (201) is movably connected with a locking handle (202), the top of the mold base plate (1) is provided with a plurality of groups of stacked outer tube hoops (3) between the four groups of tablet pressing plates (201), the outer tube hoop (3) is composed of two groups of half-bent clamping plates (301), the top and bottom of the half-bent clamping plate (301) are provided with a boss edge (302) along the edge, the front and rear ends of the two groups of half-bent clamping plates (301) towards the same side are provided with a closing ear plate (303), the front and rear ends of the two groups of boss edges (302) towards the same side are provided with a connecting plate (304), a plurality of groups of connecting plates (304) are connected through connecting screws (305), the top of the mold base plate (1) is provided with a positioning plug rod (4) at the center point position of the outer tube hoop (3), the top of the mold base plate (1) is inserted with a plurality of groups of stacked solid inner tubes (5) at the position of the positioning plug rod (4), the inner side of the outer tube hoop (3) and the outer side of the solid inner tube (5) are provided with a viscous sand layer (6) in close contact, the outer side of the viscous sand layer (6) is paved with a cast paraffin layer (7).

2. A molten iron pouring mold according to claim 1, characterized in that: The top of the mold base plate (1) is provided with a locking inner screw hole below the tablet pressing plate (201) near the four corners, wherein the connection between the locking inner screw hole and the locking handle (202) is threaded connection.

3. A molten iron pouring mold according to claim 1, characterized in that: The tablet pressing plate (201) is pressed on the top of the boss edge (302) at the bottom.

4. A molten iron pouring mold according to claim 1, characterized by: The two groups of closing ear plates (303) at the same position are fixedly connected through bolts.

5. A molten iron pouring mold according to claim 1, characterized by: The inside of the connecting plate (304) and the position corresponding to the connecting screw (305) are provided with a through hole, and the top and bottom ends of the connecting screw (305) are threadedly connected with locking nuts.

6. A molten iron pouring mold according to claim 1, characterized by: The height of the solid inner tube (5) is consistent with the height of the outer tube hoop (3).

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