CN115178707A - Production process of nodular iron casting of as-cast machine tool - Google Patents

Abstract

The invention discloses a production process of nodular iron castings of an as-cast machine tool, and relates to the technical field of as-cast machine tools. The invention comprises the following steps: s01, preparing a mold: the mold comprises: the upper side of the upper die is provided with a rubbing plate, and the rubbing plate is provided with a through groove matched with the iron casting; s02, manufacturing a sand mold: selecting precious pearl sand or silica sand to manufacture a sand mold; s03, die assembly: and (5) placing the sand mold in the step S02 on the lower mold in the step S01, so that the upper mold, the rubbing plate and the lower mold form a cavity together. According to the invention, the second arc-shaped plate is arranged, so that the bottom of the iron casting blank body can be conveniently positioned through the second arc-shaped plate, the situation that the iron casting blank body shakes during paint spraying is reduced, the quality of the iron casting blank body after paint spraying is improved, and the arrangement of the first arc-shaped plate reduces the situation that raw materials are splashed when the iron casting blank body is painted, and can collect the raw materials after paint spraying, thereby reducing the situation that the raw materials for paint spraying are wasted.

Description

Production process of as-cast machine tool ductile iron castings

technical field

The invention belongs to the technical field of as-cast machine tools, in particular to a production process of ductile iron castings of as-cast machine tools.

Background technique

The as-cast machine tool refers to the machine that manufactures the machine, also known as the work machine or the tool machine, and is customarily referred to as the machine tool. Generally divided into metal cutting machine tools, forging machine tools and woodworking machine tools. There are many ways to process mechanical parts in modern machinery manufacturing: in addition to cutting, there are casting, forging, welding, stamping, extrusion, etc., but all parts that require high precision and fine surface roughness.

When the existing as-cast machine tool produces ductile iron castings, it is necessary to paint the ductile iron castings, so on the one hand, in order to reduce the bump on the surface of the ductile iron castings, and on the other hand, it reduces the surface oxidation of the ductile iron castings. The existing ductile iron castings are prone to shaking during painting, which results in uneven painting of the iron castings.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a production process of as-cast machine tool ductile iron castings, which solves the technical problem of uneven paint spraying of existing cast iron castings.

For reaching the above-mentioned purpose, the present invention is achieved through the following technical solutions:

A production process for as-cast machine tool ductile iron castings, comprising the following steps:

S01. Prepare the mold: the mold includes: an extension plate is installed on the upper side of the upper mold, and a through groove adapted to the cast iron is opened on the extension plate;

S02, making sand molds: use pearl sand or silica sand to make sand molds;

S03, mold clamping: place the sand mold in S02 on the lower mold in S01, so that the upper mold, the extension plate and the lower mold together form a cavity;

S04. Liquid metal smelting: smelting the raw materials of iron castings into liquid;

S05, pouring: pour the liquid in S04 into the cavity;

S06, cooling and forming: the casting raw material in the cavity is cooled to form a cast iron blank;

S07, painting: place the cast iron blank in S06 on the operating table for painting.

Optionally, a placement slot, a first slot, and two second slots are provided on the upper side of the operating table, and the bottom of the cast iron blank is located in the placement slot, and a motor is installed inside the second slot. The output end of the motor is equipped with a threaded rod, the middle of the threaded rod is threaded with a first sliding block, one end of the threaded rod is threaded with a second sliding block, and the inside of the second channel is equipped with a sliding block with the first sliding block. The matching first guide rod, the motor is installed inside the second channel, the output end of the motor is equipped with a threaded rod, the middle of the threaded rod is threaded with a first sliding block, and one end of the threaded rod is threaded with a second sliding block. The inside of the second channel is provided with a first guide rod slidingly matched with the first sliding block, which reduces the inclination of the first sliding block when sliding and improves the stability of the first sliding block when sliding.

Optionally, two first fixing rods are installed on one side of the first sliding block, one end of the first fixing rod is rotatably fitted with a rotating plate, and a fixing block is installed on the outer side wall of the first arc-shaped plate, and the One side is provided with a second fixed rod which is rotatably matched with one end of the rotating plate, two fixed plates are installed inside the placement groove, two sliding rods are slidably matched with the inside of the fixed plate, and one end of the two sliding rods is installed between them. There is a second arc-shaped plate, and the inner side wall of the second arc-shaped plate is matched with the outer side wall of the cast iron blank, and two springs are installed between the outer side wall of the second arc-shaped plate and one side of the fixing plate, and the fixing plate A second guide rod is installed on the other side of the second guide rod, and the second sliding block is slidably fitted on the second guide rod, and the first channel is communicated with the placement groove, and one end of the first channel is equipped with a water tank, and the A water pump is installed inside, a second water pipe is installed at the output end of the water pump, and one end of the first water pipe is connected and communicated with one end of the second water pipe. Two L-shaped plates are installed on the operating table, and between the two L-shaped plates A fixed plate is installed, and the fixed plate is located on the upper side of the first arc-shaped plate, which facilitates the support of the fixed plate by the L-shaped plate.

Embodiments of the present invention have the following beneficial effects:

In one embodiment of the present invention, the provision of the second arc-shaped plate facilitates the positioning of the bottom of the cast iron blank through the second arc-shaped plate, reduces the shaking of the cast iron blank during painting, and improves the efficiency of the cast iron casting. The quality of the blank after painting, the setting of the first arc plate, on the one hand, reduces the random splashing of raw materials when the cast iron blank is painted, and on the other hand, the raw materials after painting can be collected, reducing the waste of painting raw materials Case.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is a process flow schematic diagram of an embodiment of the present invention;

2 is a schematic three-dimensional structure diagram of a device according to an embodiment of the present invention;

Fig. 3 is a structural representation at A in Fig. 2;

4 is a schematic structural diagram of an arc-shaped plate according to an embodiment of the present invention;

Fig. 5 is the structural representation at B in Fig. 4;

6 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

FIG. 7 is a schematic diagram of the structure at C in FIG. 6 .

Wherein, the above-mentioned drawings include the following reference signs:

Operating table 1, placing slot 101, first channel 102, second channel 103, threaded rod 104, water tank 105, first sliding block 106, first fixing rod 107, rotating plate 108, second sliding block 109, fixed plate 110, sliding rod 111, second arc-shaped plate 112, spring 113, L-shaped plate 114, fixed plate 115, second water pipe 116;

The first arc-shaped plate 2, the first water pipe 201, the second fixing rod 202, the fixing block 203, the through hole 204, and the fixing column 205;

Cast iron blank 3.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of well-known functions and well-known components.

Referring to Figures 1-7, this embodiment provides a production process for as-cast machine tool ductile iron castings, including the following steps:

S01. Prepare the mold: the mold includes: an extension plate is installed on the upper side of the upper mold, and a through groove adapted to the cast iron is opened on the extension plate;

S02, making sand molds: use pearl sand or silica sand to make sand molds;

S03, mold clamping: place the sand mold in S02 on the lower mold in S01, so that the upper mold, the extension plate and the lower mold together form a cavity;

S04. Liquid metal smelting: smelting the raw materials of iron castings into liquid;

S05, pouring: pour the liquid in S04 into the cavity;

S06, cooling and forming: the casting raw material in the cavity is cooled to form a cast iron blank 3;

S07, painting: place the cast iron blank 3 in S06 on the console 1 for painting.

When it is necessary to paint the cast iron blank 3, first place the painted raw material in the water tank 105, then place the bottom of the cast iron blank 3 in the placement groove 101, then start the motor, and the output end of the motor passes through the threaded rod 104 drives the first sliding block 106 and the second sliding block 109 to slide, the first sliding block 106 drives the first arc plate 2 to rotate on the fixed column 205 through the rotating plate 108, and the four fixed columns 205 are circular after rotating array, the second sliding block 109 drives the sliding rod 111 to slide in the fixed plate 110, the sliding rod 111 drives the second arc-shaped plate 112 to slide and stretches the spring 113, and the second arc-shaped plate 112 positions the cast iron blank 3, Then start the water pump again, the water pump transports the raw material for painting through the second water pipe 116 into the first water pipe 201, and the raw material for painting in the first water pipe 201 is sprayed on the positioned cast iron blank 3 through the through hole 204, and The painting raw material in the placing tank 101 flows into the water tank 105 through the first channel 102, thereby completing the painting treatment of the cast iron blank 3;

When it is necessary to take out the cast iron blank 3 after painting, refer to the above steps, and then paint the bottom of the cast iron blank 3 . It should be noted that the electrical equipment involved in this application can be powered by a battery or an external power source.

The provided second arc-shaped plate 112 facilitates the positioning of the bottom of the cast iron blank 3 through the second arc-shaped plate 112 , reduces the shaking of the cast iron blank 3 during painting, and improves the performance of the cast iron blank 3 The quality after painting, the setting of the first arc plate 2, on the one hand, reduces the random splashing of the raw materials of the cast iron blank 3 during painting, and on the other hand, the raw materials after painting can be collected, reducing the waste of painting raw materials Case.

Referring to FIG. 2 , a placing slot 101 , a first slot 102 , and two second slots 103 are opened on the upper side of the operating table 1 of this embodiment, and the bottom of the cast iron blank 3 is located in the placement slot In 101, a motor is installed inside the second channel 103, and a threaded rod 104 is installed at the output end of the motor. The sliding block 109, the inside of the second channel 103 is equipped with a first guide rod that is slidingly matched with the first sliding block 106, the second channel 103 is equipped with a motor, and the output end of the motor is equipped with a threaded rod 104 , the middle of the threaded rod 104 is threadedly fitted with a first sliding block 106 , one end of the threaded rod 104 is threadedly fitted with a second sliding block 109 , and the inside of the second channel 103 is provided with a first sliding block 106 that is slidably matched The guide rod reduces the inclination of the first sliding block 106 when sliding, and improves the stability of the first sliding block 106 when sliding.

Please refer to FIG. 4 , in this embodiment, two first fixing rods 107 are installed on one side of the first sliding block 106 . A fixing block 203 is installed on the outer side wall of the shovel 203, and a second fixing rod 202 is installed on one side of the fixing block 203, which is rotatably matched with one end of the rotating plate 108, and two fixing plates 110 are installed inside the placing slot 101. The fixing plate 110 Two sliding rods 111 are slidably fitted inside the two sliding rods 111, a second arc-shaped plate 112 is installed between one end of the two sliding rods 111, and the inner side wall of the second arc-shaped plate 112 is matched with the outer side wall of the cast iron blank 3, Two springs 113 are installed between the outer side wall of the second arc-shaped plate 112 and one side of the fixing plate 110 , a second guide rod is installed on the other side of the fixing plate 110 , and the second sliding block 109 is slidably fitted on the first two guide rods, and the first channel 102 is communicated with the placing groove 101, one end of the first channel 102 is provided with a water tank 105, a water pump is installed inside the water tank 105, and the output end of the water pump is provided with a second water pipe 116, and one end of the first water pipe 201 is connected and communicated with one end of the second water pipe 116, two L-shaped plates 114 are installed on the console 1, and a fixed plate 115 is installed between the two L-shaped plates 114, and the fixed plate 115 Located on the upper side of the first arc-shaped plate 2 , it is convenient to support the fixed plate 115 through the L-shaped plate 114 .

Embodiment 1: In one aspect of the embodiment, in order to minimize the tilt of the rotating plate 108 during rotation, this embodiment provides two optional implementations.

Embodiment 1.1, in this embodiment, one end of the rotating plate 108 is rotatably matched with the first fixing rod 107, which reduces the occurrence of tilting of the rotating plate 108 when rotating, thereby improving the stability of the rotating plate 108 when rotating.

Embodiment 1.2, in this embodiment, the other end of the rotating plate 108 is rotatably matched with the second fixing rod 202, which reduces the shaking of the rotating plate 108 during rotation.

The above-described embodiments may be combined with each other.

It should be noted that the terms "first", "second" and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientations indicated by orientation words such as "front, rear, top, bottom, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. Or the positional relationship is usually based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and these orientation words do not indicate or imply the indicated device or element unless otherwise stated. It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the protection scope of the present invention; the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

Claims (10)

1. a production technique of as-cast machine tool ductile iron casting, is characterized in that, comprises the steps: S01. Prepare the mold: the mold includes: an extension plate is installed on the upper side of the upper mold, and a through groove adapted to the cast iron is opened on the extension plate; S02, making sand molds: use pearl sand or silica sand to make sand molds; S03, mold clamping: place the sand mold in S02 on the lower mold in S01, so that the upper mold, the extension plate and the lower mold together form a cavity; S04. Liquid metal smelting: smelting the raw materials of iron castings into liquid; S05, pouring: pour the liquid in S04 into the cavity; S06, cooling and forming: the casting raw material in the cavity is cooled to form a cast iron blank (3); S07, painting: place the cast iron blank (3) in S06 on the operating table (1) for painting treatment. 2. The production process of as-cast machine tool ductile iron castings according to claim 1, characterized in that a placing groove (101) and a first channel (102) are provided on the upper side of the operating table (1) , two second grooves (103), and the bottom of the cast iron blank (3) is located in the placement groove (101). 3. the production process of a kind of as-cast machine tool ductile iron casting as claimed in claim 2, is characterized in that, the inside of the second channel (103) is provided with a motor, and the output end of the motor is provided with a threaded rod (104) ), the middle of the threaded rod (104) is threadedly fitted with a first sliding block (106), one end of the threaded rod (104) is threadedly fitted with a second sliding block (109), and the inside of the second channel (103) is equipped with a A first guide rod slidably matched with the first sliding block (106). 4. The production process of as-cast machine tool ductile iron castings as claimed in claim 3, characterized in that, four fixed columns (205) are installed inside the placement groove (101), and the fixed columns (205) are rotatably matched with each other. There is a first arc-shaped plate (2), and the four first arc-shaped plates (2) are in a circular array, and the inner side wall of the first arc-shaped plate (2) is provided with a first water pipe (201), the first water pipe A plurality of through holes (204) are sequentially opened from one end to the other end of the (201), and the through holes (204) face the cast iron blank (3). 5. The production process of as-cast machine tool ductile iron castings according to claim 4, wherein two first fixing rods (107) are installed on one side of the first sliding block (106), the first One end of the fixing rod (107) is rotatably fitted with a rotating plate (108), the outer side wall of the first arc-shaped plate (2) is provided with a fixing block (203), and one side of the fixing block (203) is provided with a rotating plate (108) A second fixing rod (202) whose one end is rotatably fitted. 6. The production process of as-cast machine tool ductile iron castings according to claim 3, characterized in that two fixing plates (110) are installed inside the placement groove (101), and the inside of the fixing plate (110) is provided with two fixing plates (110). Two sliding rods (111) are slidably matched, and a second arc-shaped plate (112) is arranged between one end of the two sliding rods (111), and the inner side wall of the second arc-shaped plate (112) is connected to the cast iron blank. (3) The outer side wall is matched. 7. The production process of as-cast machine tool ductile iron castings as claimed in claim 6, characterized in that, between the outer side wall of the second arc-shaped plate (112) and one side of the fixing plate (110), two a spring (113), a second guide rod is installed on the other side of the fixing plate (110), and the second sliding block (109) is slidably fitted on the second guide rod. 8. The production process of as-cast machine tool ductile iron castings according to claim 4, wherein the first channel (102) is communicated with the placement groove (101), and the first channel (102) is A water tank (105) is installed at one end, a water pump is installed inside the water tank (105), a second water pipe (116) is installed at the output end of the water pump, and one end of the first water pipe (201) is connected to the second water pipe (116) One end is connected and connected. 9. The production process of as-cast machine tool ductile iron castings according to claim 4, characterized in that two L-shaped plates (114) are installed on the operating table (1), and the two L-shaped plates (114) A fixed plate (115) is installed therebetween. 10 . The production process of an as-cast machine tool ductile iron casting according to claim 9 , wherein the fixing plate ( 115 ) is located on the upper side of the first arc-shaped plate ( 2 ). 11 .

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