CN111014583B

CN111014583B - Modeling process for solving KW modeling height limitation

Info

Publication number: CN111014583B
Application number: CN201911029335.5A
Authority: CN
Inventors: 汪立平; 周正寿; 张居卿; 李松杰
Original assignee: Jiangsu Hengli Hydraulic Co Ltd
Current assignee: Jiangsu Hengli Hydraulic Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2021-11-26
Anticipated expiration: 2039-10-28
Also published as: CN111014583A

Abstract

The invention discloses a modeling process for solving KW modeling height limitation, which comprises the following steps: a. b, respectively carrying out sand shooting on the upper box and the lower box, separating cavities of the upper box and the lower box, milling a pouring basin by using a milling cutter when the upper box is conveyed to a station for milling the pouring basin, withdrawing the milling cutter to a position to be worked after the pouring basin is milled, then extending out the riser milling cutter, and milling a riser pit in the outline shape of a riser; c. the needed sand core is put into a lower box cavity and reaches a mould assembling station; d. turning the upper box by 180 degrees, and assembling the box after reaching a box assembling station; e. and (3) when the molten steel reaches a smelting station, placing a dead head into a dead head nest of the upper box at the smelting station according to the process requirements, casting by a smelting and casting worker, and carrying out next treatment after cooling. Through the mode, the molding process for solving the problem of limitation of KW molding height can realize molding on a machine by taking the dead head away from the upper box under the condition that the sum of the heights of the dead head and a casting is higher than 280mm, and intelligent operation of large-piece molding on the machine is realized.

Description

Modeling process for solving KW modeling height limitation

Technical Field

The invention relates to the field of KW modeling lines, in particular to a modeling process for solving the problem of limitation of KW modeling height.

Background

At present, sand casting is carried out by organic device molding and manual molding. Hand molding is suitable for large parts and is small in amount. Machine molding fits a large number of parts and fits the dimensions of the machine molding.

I mark KW line as top box 1000X 800X h320, bottom box 1000X 800X h320, all casting top box height and riser height sum can not exceed 280 mm. If it exceeds 280 mm. It will not be possible to shape on the machine. Only manual molding can be selected for production, but certain products have large quantity and cannot meet the order of customers, and a new method is urgently needed to be found for solving the molding process that the sum of the height of a casting and the height of a riser exceeds 280.

The risers are complementary parts that are added above or to the sides of the casting to avoid defects in the casting. The function of the feeder is that in the casting mould, the cavity of the feeder is a cavity for storing liquid metal, the metal is supplied when the casting mould is formed, the functions of preventing shrinkage cavity, shrinkage porosity, exhausting and slag collection are achieved, and the feeder mainly performs the function of feeding the casting. If the sum of the height of the riser and the height of the casting is less than 280mm, the riser is generally placed on an outer die body during molding, and the riser is taken away by an upper box during molding. But now over 280 a height, the riser cannot be placed on the outer mold body, otherwise the machine would be damaged.

Disclosure of Invention

The invention mainly solves the technical problem of providing a molding process for solving the limitation of KW molding height, which can realize molding on a machine by taking a dead head away from an upper box under the condition that the sum of the heights of the dead head and a casting is higher than 280mm, thereby realizing intelligent operation of large-size molding on the machine.

In order to solve the technical problems, the invention adopts a technical scheme that: the modeling process for solving the problem of KW modeling height limitation comprises the following steps: a. the upper and lower shaping plates are fixedly arranged in the upper and lower box frames respectively, then the molding sand is used for shooting the upper box and the lower box respectively, after the upper box and the lower box are fully shot, the upper box and the lower box are separated from the upper box mold and the lower box mold, the shapes of the upper shaping plate and the lower shaping plate are formed, and then the molding sand cavity flows to the conveying platform; b. separating cavities of an upper box and a lower box, conveying the upper box and the lower box according to respective independent tracks, when the upper box is conveyed to a station for milling a pouring basin, milling the pouring basin by a milling cutter at the coordinate position of the upper box according to the coordinate parameters set by a machine, withdrawing the milling cutter to a position to be worked after the pouring basin is milled, then extending out a riser milling cutter, and milling a riser pit in the outline shape of a riser according to the set riser position parameters (preferably supplementing detailed parameters); c. when the lower box reaches a core setting station, a needed sand core is put into a cavity of the lower box, and after the core setting is finished, the lower box is continuously conveyed to reach a box closing station; d, turning the upper box for 180 degrees, then continuously conveying the upper box to a box assembling station, keeping the lower box still after the upper box reaches the box assembling station, and assembling the upper box and the lower box; e. and after the mould assembling is finished, the mould arrives at a smelting station, at the moment, a dead head is placed at a position of a dead head nest of the upper box at the smelting station according to the process requirements, a smelting and casting worker carries out casting, and the next step of treatment is carried out after cooling.

In a preferred embodiment of the present invention, the feeder milling cutter in the step b mills the feeder nest from bottom to top to the upper box.

In a preferred embodiment of the present invention, after the upper box is turned over by 180 ° in step d, the loose sand around the upper box needs to be cleaned, so as to prevent the loose sand from falling into the cavity when the feeder is lowered, and the loose sand is transported continuously after the cleaning is completed.

In a preferred embodiment of the invention, the height of the riser washed out in step b from the parting plane is 330 mm.

In a preferred embodiment of the invention, the dimensions of the upper and lower boxes are 1000 x 800 x 320mm and the dimensions of the upper and lower box plates are 940 x 740 x 50 mm.

In a preferred embodiment of the invention, the feeder milling cutter comprises a tool holder and an insert mounted on the tool holder, the tool holder being tapered in width from bottom to top.

In a preferred embodiment of the invention, the blade comprises a lower section, a middle section and an upper section, the lower section is in a splayed structure, and the middle section and the upper section are connected to form a cap-shaped structure.

In a preferred embodiment of the present invention, the upper surface of the upper section is an inclined plane structure with bilateral symmetry, and the middle section is an obtuse angle structure with bilateral symmetry.

In a preferred embodiment of the invention, the blade holder and the blade are formed by welding.

In a preferred embodiment of the invention, the tip of the blade is oriented in a clockwise direction.

The invention has the beneficial effects that: the molding process for solving the problem of limitation of KW molding height can realize molding on a machine by taking the dead head away from the upper box under the condition that the sum of the heights of the dead head and a casting is higher than 280mm, so that intelligent operation of large-size molding on the machine is realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic illustration of an upper box of a preferred embodiment of the inventive molding process that addresses the limitations of KW molding height;

FIG. 2 is a schematic view of the structure of the lower case

FIG. 3 is a schematic view of a mold closing structure;

FIG. 4 is a schematic illustration of the structure after placement of the risers;

FIG. 5 is a schematic view of the milling cutter of FIG. 1;

FIG. 6 is a top view of FIG. 2;

FIG. 7 is a left side view of FIG. 3;

FIG. 8 is a schematic structural view of the finished product;

the parts in the drawings are numbered as follows: 1. An upper box, 2, a lower box, 3, a feeder milling cutter, 31, a tool rest, 32, a blade, 33, an upper section, 34, a middle section, 35, a lower section, 4, a feeder, 5 and a feeder pit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a molding process for solving the limitation of KW molding height includes the following steps: a. the upper and lower shaping plates are fixedly arranged in the upper and lower box frames respectively, then the molding sand is used for shooting the upper box 1 and the lower box 2 respectively, after the upper box and the lower box are fully shot, the upper box and the lower box are separated, the shapes of the upper shaping plate and the lower shaping plate are formed, and then the molding sand cavity flows to the conveying platform; b. separating cavities of an upper box and a lower box, conveying the upper box 1 and the lower box 2 according to respective independent tracks, when the upper box 1 is conveyed to a station for milling a pouring basin, milling the pouring basin at the coordinate position of the upper box by a milling cutter according to the coordinate parameters set by a machine, withdrawing the milling cutter to a position to be worked after the pouring basin is milled, then extending out a dead head milling cutter 3, rotating the milling cutter by a motor according to the set position parameters of a dead head 4, lifting the milling cutter to a specified position, and milling a dead head nest 4 in the shape of the outer contour of the dead head 4; c. when the lower box 2 reaches a core setting station, a needed sand core is put into a cavity of the lower box, and after the core setting is finished, the lower box 2 is continuously conveyed to reach a box closing station; d, turning the upper box 1 for 180 degrees, then continuously conveying to a box assembling station, and after the upper box reaches the box assembling station, keeping the lower box 2 still, and assembling the upper box 1 and the lower box 2; e. and after the mould assembling is finished, the mould arrives at a smelting station, at the moment, a riser 4 is placed at a riser nest 5 of the upper box at the smelting station according to the process requirements, a smelting and casting worker carries out casting, the next step of treatment is carried out after cooling, and a finished product is finally obtained through other procedures.

In addition, in the step b, the riser milling cutter 3 mills a riser nest 5 from bottom to top to the upper box. The height of the riser washed out in step b from the parting plane was 330 mm. The dimensions of the upper and

lower boxes

1, 2 are 1000 x 800 x 320mm, and the dimensions of the upper and lower box plates are 940 x 740 x 50 mm.

In addition, after the upper box 1 is turned for 180 degrees in the step d, loose sand around the box needs to be cleaned, so that the loose sand is prevented from falling into a cavity when a riser is lowered, and the loose sand is conveyed continuously after the cleaning is finished.

In addition, the dead head milling cutter includes a tool holder 31 whose width is gradually reduced from the bottom to the top of the tool holder 31, and an insert 32 mounted on the tool holder. The blade 32 comprises a lower section 33, a middle section 34 and an upper section 35, wherein the lower section 35 is of a splayed structure, and the middle section 34 and the upper section 33 are connected to form a hat-shaped structure. The upper surface of the upper section 33 is a bilaterally symmetrical inclined plane structure, and the middle section 34 is a bilaterally symmetrical obtuse angle structure. The blade holder 31 and the blade 32 are formed by welding. The point of the blade 32 is oriented in a clockwise direction.

Different from the prior art, the modeling process for solving the problem of KW modeling height limitation can realize modeling on a machine by taking the riser away by an upper box under the condition that the sum of the heights of the riser and a casting is higher than 280mm, and realizes intelligent operation of large-piece modeling on the machine

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a solve molding process of KW molding height restriction which characterized in that includes following step:

a. the upper and lower shaping plates are fixedly arranged in the upper and lower box frames respectively, then the molding sand is used for shooting the upper box and the lower box respectively, after the upper box and the lower box are fully shot, the upper box and the lower box are separated from the upper box mold and the lower box mold, the shapes of the upper shaping plate and the lower shaping plate are formed, and then the molding sand cavity flows to the conveying platform;

b. separating cavities of an upper box and a lower box, conveying the upper box and the lower box according to respective independent tracks, when the upper box is conveyed to a station for milling a pouring basin, milling the pouring basin by a milling cutter at the coordinate position of the upper box according to the coordinate parameters set by a machine, after the pouring basin is milled, withdrawing the milling cutter to a position to be worked, then extending out a dead head milling cutter, rotating the milling cutter by a motor, milling a dead head nest on the upper box by the dead head milling cutter from bottom to top, and lifting the dead head nest to a specified position, milling the dead head nest in the outline shape of a dead head, wherein the dead head milling cutter comprises a cutter rest and a blade arranged on the cutter rest, the width of the cutter rest is gradually reduced from bottom to top, the blade comprises a lower section, a middle section and an upper section, the lower section is of a splayed structure, the middle section and the upper section are connected to form a hat-shaped structure, the upper surface of the upper section is of a bilaterally symmetrical inclined plane structure, and the middle section is of a bilaterally symmetrical obtuse angle structure, the tool rest and the blade are connected and formed through welding, and the tool tip of the blade faces clockwise;

c. when the lower box reaches a core setting station, a needed sand core is put into a cavity of the lower box, and after the core setting is finished, the lower box is continuously conveyed to reach a box closing station;

d. the upper box is turned over by 180 degrees, then the upper box is continuously conveyed to a box assembling station, after the upper box reaches the box assembling station, the lower box is kept still, and the upper box and the lower box are assembled;

e. and after the mould assembling is finished, the mould arrives at a smelting station, a riser is placed at a riser socket of the upper box at the smelting station according to the process requirements, a smelting and casting worker carries out casting, and the next step of treatment is carried out after cooling.

2. The modeling process for solving the problem of KW modeling height limitation in the step d, according to claim 1, wherein loose sand around the upper box needs to be cleaned after the upper box is turned for 180 degrees in the step d, so that the loose sand is prevented from falling into a cavity when a riser is lowered, and the loose sand is conveyed continuously after the cleaning is finished.

3. The process of claim 1 wherein said washed riser of step b has a 330mm height to the parting plane.

4. The process of modeling to address the limitations in height of KW modeling of claim 1 wherein the upper and lower boxes are 1000 x 800 x 320mm in size and the upper and lower box plates are 940 x 740 x 50mm in size.