CN115815567A - Charging barrel and die casting machine - Google Patents

Abstract

The invention discloses a charging barrel and a die casting machine, belonging to the technical field of die casting machines, and comprising a barrel, wherein the barrel is sequentially provided with a first bulge part, a second bulge part, a first groove part, a third bulge part, a second groove part, a fourth bulge part, a third groove part, a fifth bulge part, a fourth groove part, a sixth bulge part and a fifth groove part from an opening at one end along the axial lead direction of the barrel.

Description

A barrel and a die-casting machine

technical field

The invention relates to the technical field of die-casting machines, in particular to a barrel and a die-casting machine.

Background technique

A die casting machine is a machine used for pressure casting. Including hot press chamber and cold press chamber. Finally, they are divided into two types: straight and horizontal. The die-casting machine hydraulically injects the molten metal into the mold under pressure for cooling and forming.

In order to increase the service life of existing barrels for die-casting machines, the thickness of the barrel is generally increased. Although this can improve the service life, it increases the material and increases the cost of raw materials.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides a barrel, including a barrel, and the barrel is sequentially provided with a first protrusion, a second protrusion, and a first groove from the opening at one end along the axis of the barrel. portion, a third raised portion, a second grooved portion, a fourth raised portion, a third grooved portion, a fifth raised portion, a fourth grooved portion, a sixth raised portion and a fifth grooved portion.

Preferably: the cylinder is cylindrical, and the cylinder is provided with a smooth inner wall hole for use with the cylinder liner core. The outer diameter of the cylinder is 135mm, the inner diameter of the cylinder is 140±0.025mm, and the length of the cylinder is 310± 0.02mm.

Preferably: the inner wall of the opening of the cylinder away from the first protrusion is provided with a rounded corner, and the radius of the rounded corner is 5mm, and the rounded edge extends to the inside of the cylinder, and the extended inner wall and the outer wall of the cylinder are in a 3 The included angle of ° makes the cross-section of the opening of the cylinder a trapezoid.

Preferably: the first raised portion is integrally formed with the barrel, the first raised portion is in the shape of a ring with a smooth surface, the width of the first raised portion is 35±0.05mm, and the outer diameter of the first raised portion is is 198±0.05mm, the inner diameter of the first raised part is 140±0.01mm, the first raised part is connected to the second raised part, and the connection between the first raised part and the second raised part is rounded According to the design, the radius of the rounded corner is 1.5 mm, and the distance between the outer end of the first raised portion and the end of the rounded corner away from the first raised portion is 45 mm.

Preferably: the second raised portion is integrally formed with the cylinder, the second raised portion is in the shape of a ring with a smooth surface, the width of the second raised portion is 25mm±0.25mm, and the outer diameter of the second raised portion is is 150±0.04mm, and the outer edge of the second protrusion is rounded, and the radius of the rounded corner is 0.2mm.

Preferably: the third raised portion is integrally formed with the barrel, the third raised portion is in the shape of a ring with a smooth surface, the width of the third raised portion is 12.5±0.5mm, and the outer diameter of the third raised portion is It is the same as the outer diameter of the second protrusion.

Preferably: the fourth raised portion is integrally formed with the cylinder, the width of the fourth raised portion is 45 mm, the outer diameter of the fourth raised portion is the same as the outer diameter of the second raised portion, and the fourth raised portion Rounded corners are set at the edges on both sides, and the diameter of the rounded corners is 3mm.

Preferably: the fifth raised portion is integrally formed with the cylinder body, the width of the fifth raised portion is the same as that of the third raised portion, and the outer diameter of the fifth raised portion is the same as that of the third raised portion , the edges on both sides of the fifth raised portion are provided with rounded corners, and the radius of the rounded corners is 0.5 mm.

Preferably: the structural design of the sixth protrusion is the same as that of the fifth protrusion.

Technical effect and advantage of the present invention:

In the present invention, the barrel is used in the die-casting machine. The structure of the barrel is designed so that the hardness of the inner surface is higher than that of the screw, and the surface of the barrel is nitrided to increase the wear resistance. The design of the second protrusion, the fourth protrusion, the fifth protrusion and the sixth protrusion increases the surface strength of the barrel, avoids increasing the thickness of the barrel in order to increase the service life of the barrel, and reduces the cost of raw materials.

Description of drawings

Fig. 1 is the structural representation of the cartridge provided by the embodiment of the present application;

Fig. 2 is a top view of the cartridge provided by the embodiment of the present application;

Fig. 3 is a bottom view of the cartridge provided by the embodiment of the present application.

In the figure: 1. Cylinder body; 2. First raised part; 201. Bolt hole; 202. Positioning groove; 203. Card slot; 3. Second raised part; 4. First groove part; 5. Second Three protrusions; 6, the second groove; 7, the fourth protrusion; 8, the third groove; 9, the fifth protrusion; 10, the fourth groove; 11, the sixth protrusion Starting part; 12, the fifth groove part.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention and design various embodiments with various modifications as are suited to the particular use.

Example 1

Please refer to Figures 1 to 3. In this embodiment, a material cylinder is provided, including a cylinder body 1. The cylinder body 1 is cylindrical. The diameter is 135mm, the inner diameter of the cylinder 1 is 140±0.025mm, the length of the cylinder 1 is 310±0.02mm, and one end of the cylinder 1 is provided with an integrally formed first protrusion 2, the first protrusion 2 is on the surface Smooth ring shape, the width of the first raised part 2 is 35±0.05mm, the outer diameter of the first raised part 2 is 198±0.05mm, the inner diameter of the first raised part 2 is 140±0.01mm, the second A raised portion 2 is connected to the second raised portion 3, and the connection between the first raised portion 2 and the second raised portion 3 is rounded, the radius of the rounded corner is 1.5 mm, and the first raised portion 2 The distance between the outer end and the rounded end away from the first protruding part 2 is 45 mm. The second protruding part 3 is integrally formed with the cylinder body 1. The second protruding part 3 is in the shape of a ring with a smooth surface. The second protruding part The width of the raised part 3 is 25 mm ± 0.25 mm, the outer diameter of the second raised part 3 is 150 ± 0.04 mm, and the outer edge of the second raised part 3 is rounded, and the radius of the rounded corner is 0.2 mm. One side of the second raised portion 3 is provided with a first groove portion 4, the width of the first groove portion 4 is 7.5±0.25mm, the bottom edge of the first groove portion 4 is provided with a rounded corner, and the rounded The radius of the corner is 0.5 mm, the outer diameter of the first groove part 4 is the same as that of the cylinder body 1, and one side of the first groove part 4 is provided with a third protruding part 5, and the third protruding part 5 is connected to the The cylinder body 1 is integrally formed, the third raised portion 5 is in the shape of a ring with a smooth surface, the width of the third raised portion 5 is 12.5±0.5mm, and the outer diameter of the third raised portion 5 is the same The outer diameters are the same, one side of the third protruding portion 5 is provided with a second groove portion 6, the outer diameter of the second groove portion 6 is the same as the outer diameter of the cylinder body 1, and the width of the second groove portion 6 is 55mm, the bottom edge of the second groove portion 6 is provided with rounded corners, and the radius of the rounded corners is 3mm, one side of the second groove portion 6 is provided with a fourth raised portion 7, and the fourth raised portion 7 Formed integrally with the cylinder body 1, the width of the fourth raised portion 7 is 45mm, the outer diameter of the fourth raised portion 7 is in line with the outer diameter of the second raised portion 3, and the edges on both sides of the fourth raised portion 7 It is provided with rounded corners, and the diameter of the rounded corners is 3mm. One side of the fourth protrusion 7 is provided with a third groove portion 8. The width of the third groove portion 8 is 55mm. The bottom of the third groove portion 8 The edge is provided with rounded corners, and the radius of the rounded corners is 3mm, and one side of the third groove part 8 is provided with a fifth raised part 9, the fifth raised part 9 is integrally formed with the cylinder body 1, and the fifth raised part The width of the raised portion 9 is the same as that of the third raised portion 5, the outer diameter of the fifth raised portion 9 is the same as that of the third raised portion 5, and the edges on both sides of the fifth raised portion 9 are rounded Set, and the radius of the rounded corner is 0.5mm, one side of the fifth raised portion 9 is provided with a fourth groove portion 10, the width of the fourth groove portion 10 is the same as the width of the first groove portion 4, and the fourth concave portion The bottom edge of the groove portion 10 is provided with rounded corners, and the radius of the rounded corners is 0.5mm. One side of the fourth groove portion 10 is provided with a sixth raised portion 11. The structural design of the sixth raised portion 11 is in accordance with The fifth protruding part 9 is the same, one side of the sixth protruding part 11 is provided with a fifth groove part 12, the width of the fifth groove part 12 is 40mm, and the bottom edge of the fifth groove part 12 is provided with rounded corner, and the radius of the rounded corner is 0.5mm, the inner wall of the opening of the cylinder 1 away from the first raised portion 2 is provided with a rounded corner, and the radius of the rounded corner is 5mm, and the rounded edge extends toward the inside of the cylinder 1, And the extended inner wall forms an included angle of 3° with the outer wall of the cylinder 1, so that the cross section of the opening of the cylinder 1 is trapezoidal;

The bottom surface of the first raised part 2 is provided with a bolt hole 201 extending inward. The bolt hole 201 is used to connect the hexagonal bolt of M6*20. The bottom surface of the first raised part 2 is provided with a positioning groove 202. The inner wall of the first raised part 2 A slot 203 is provided, and the slot 203 is arranged asymmetrically along the central axis of the cross section of the cylinder body 1, and the width of the slot 203 on one side of the central axis is 30 mm, and the width of the slot 203 on the other side of the central axis is 24 mm.

Example 2

In this embodiment, a processing technology for a barrel is provided, which includes the following steps:

S1, rough machining: according to the barrel structure designed in embodiment 1, carry out rough machining to raw material with numerical control lathe, ordinary lathe, coreless grinder, deep hole drilling machine, drilling and tapping;

S2, heat treatment; put the rough-processed barrel into a vacuum furnace, and then perform cryogenic treatment after three times of tempering;

S3. Finishing: After processing the barrel with CNC lathes, centerless grinders, internal and external grinding, punching machine tools and surface grinders, the finishing process is carried out through CNC processing, electrode processing, electrical discharge processing, wire cutting processing and surface polishing. processing;

S4. Full inspection before surface treatment; use distance measuring instrument, projector, three-coordinate, X-ray instrument, 2.5-dimensional, micrometer, caliper, gauge, tooth gauge to inspect the finished barrel;

S5. Surface treatment: Treat the barrel surface by gas nitrogen oxidation, salt bath nitriding, Balzers coating and nitriding + composite coating;

S6. Surface re-inspection; use a distance meter, projector, three-coordinate, X-ray instrument, 2.5-dimensional, micrometer, caliper, gauge, and tooth gauge to conduct a secondary inspection on the finished barrel;

S7. Packing and shipping: after passing the inspection, packing and shipping.

In the present invention, the barrel is used in the die-casting machine, and the structure of the barrel is designed so that the hardness of the inner surface is higher than that of the screw, and the surface of the barrel is nitrided to increase the wear resistance. The first raised part 2, The design of the second raised portion 3, the fourth raised portion 7, the fifth raised portion 9 and the sixth raised portion 11 increases the surface strength of the barrel and avoids increasing the thickness of the barrel in order to increase the service life of the barrel. Reduce the cost of raw materials.

Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art and related fields without creative efforts shall fall within the protection scope of the present invention. The structures, devices and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, shall be implemented according to conventional means in the art.

Claims (10)

1. A barrel, comprising a barrel (1), characterized in that, the barrel (1) is sequentially provided with a first protrusion (2), a second The raised part (3), the first grooved part (4), the third raised part (5), the second grooved part (6), the fourth raised part (7), the third grooved part (8 ), the fifth raised portion (9), the fourth grooved portion (10), the sixth raised portion (11) and the fifth grooved portion (12). 2. The barrel according to claim 1, characterized in that, the barrel (1) is cylindrical, and the barrel (1) is provided with a smooth inner wall hole used in conjunction with the cylinder liner core, and the barrel (1) The outer diameter is 135mm, the inner diameter of the cylinder (1) is 140±0.025mm, and the length of the cylinder (1) is 310±0.02mm. 3. The cartridge according to claim 1, characterized in that, the inner wall of the opening of the cylinder body (1) away from the first protrusion (2) is provided with rounded corners, and the radius of the rounded corners is 5 mm, which The rounded edge extends toward the inside of the barrel (1), and the extended inner wall forms an included angle of 3° with the outer wall of the barrel (1), so that the cross section of the opening of the barrel (1) is trapezoidal. 4. The cartridge according to claim 1, characterized in that, the first raised portion (2) is integrally formed with the cylinder body (1), and the first raised portion (2) is in the shape of a ring with a smooth surface , the width of the first raised portion (2) is 35±0.05mm, the outer diameter of the first raised portion (2) is 198±0.05mm, and the inner diameter of the first raised portion (2) is 140±0.01mm, The first raised portion (2) is connected to the second raised portion (3), and the connection between the first raised portion (2) and the second raised portion (3) is rounded, and the radius of the rounded corner The distance between the outer end of the first raised portion (2) and the rounded end far away from the first raised portion (2) is 45 mm. 5. The barrel according to claim 1, characterized in that, the second raised portion (3) is integrally formed with the cylinder body (1), and the second raised portion (3) is in the shape of a ring with a smooth surface , the width of the second raised portion (3) is 25mm±0.25mm, the outer diameter of the second raised portion (3) is 150±0.04mm, and the outer edge of the second raised portion (3) is rounded, And the radius of the fillet is 0.2mm. 6. The barrel according to claim 1, characterized in that, the third raised portion (5) is integrally formed with the cylinder body (1), and the third raised portion (5) is in the shape of a ring with a smooth surface , the width of the third raised portion (5) is 12.5±0.5mm, and the outer diameter of the third raised portion (5) is the same as the outer diameter of the second raised portion (3). 7. The barrel according to claim 1, characterized in that, the fourth raised portion (7) is integrally formed with the cylinder body (1), the width of the fourth raised portion (7) is 45 mm, and the fourth raised portion (7) is The outer diameter of the raised part (7) is consistent with the outer diameter of the second raised part (3), and the edges on both sides of the fourth raised part (7) are rounded, and the diameter of the rounded corners is 3 mm. 8. The cartridge according to claim 1, characterized in that, the fifth raised portion (9) is integrally formed with the cylinder body (1), and the fifth raised portion (9) has a width equal to that of the third raised portion parts (5) have the same width, the outer diameter of the fifth raised part (9) is the same as that of the third raised part (5), and the edges on both sides of the fifth raised part (9) are rounded. And the radius of the fillet is 0.5 mm. 9. The cartridge according to claim 1, characterized in that, the structural design of the sixth protrusion (11) is the same as that of the fifth protrusion (9). 10. A die-casting machine, characterized in that, the die-casting machine is provided with the barrel according to any one of claims 1-9.

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