High-wear-resistance coating structure of injection head of die-casting machine

Abstract

The utility model relates to the technical field of injection heads of die-casting machines, and discloses a high-wear-resistance coating structure of an injection head of a die-casting machine, which comprises an injection head main body, an internal thread is fixedly connected to the inner side surface of the injection head main body, and a cooling component is arranged on the right side of the injection head main body; a buffer layer is fixedly arranged on the surface of the injection head main body; the cooling layer is fixedly arranged on the surface of the buffer layer; a thermal insulation layer is fixedly arranged on the surface of the cooling layer; the surface of the thermal insulation layer is coated with a waterproof layer; a wear-resistant layer is fixedly arranged on the surface of the waterproof layer, and the cooling assembly comprises a condensation circular plate and a condensation annular plate which are located on the right side of the injection head body. Through the wear-resistant layer, the wear resistance of the surface of the injection head main body can be greatly improved, the injection head main body is prevented from being worn and damaged in a long-term working state, meanwhile, heat absorption, heat dissipation and wear resistance of nickel bronze alloy are utilized, the heat dissipation capacity and wear resistance of the injection punch are improved, and the service life of the injection head of the die-casting machine is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting machine pressure injection head technical field, concretely is a kind of high wear-resistant coating structure of die casting machine pressure injection head. BACKGROUND

[0002] Die casting machine pressure injection head is a kind of key component in the metal die casting process, its main function is to inject molten metal liquid into mould, and make it into shape by pressure. Pressure injection head bears the task of conveying metal liquid in the die casting process, and the working environment is harsh, needs to bear high temperature, abrasive wear, alternating load and other complex conditions.

[0003] The existing die casting machine pressure injection head will form multiple small grooves on the surface after long time wear, which will affect the use effect of die casting machine pressure injection head, and the die casting machine pressure injection head needs to be replaced frequently. Therefore, a high wear-resistant coating structure of die casting machine pressure injection head is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high wear-resistant coating structure of die casting machine pressure injection head to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high wear-resistant coating structure of die casting machine pressure injection head, including pressure injection head main body, the inner side of the pressure injection head main body is fixedly connected with internal thread, the right side of the pressure injection head main body is provided with cooling assembly;

[0006] The surface of the pressure injection head main body is fixedly provided with buffer layer;

[0007] Cooling layer is fixedly arranged on the surface of buffer layer;

[0008] Heat insulation layer is fixedly arranged on the surface of cooling layer;

[0009] Waterproof layer is coated on the surface of heat insulation layer;

[0010] Abrasion-resistant layer is fixedly arranged on the surface of waterproof layer.

[0011] Preferably, the cooling assembly includes condensing circular plate and condensing ring plate located on the right side of the pressure injection head main body, the right end surface of the pressure injection head main body extends to the right side of the condensing circular plate through the right side surface of the condensing circular plate, the left side surface of the condensing circular plate is fixedly connected with the right side surface of the pressure injection head main body, and the condensing ring plate is fixedly sleeved on the right end surface of the pressure injection head main body. Cooling assembly cools the right side surface of the pressure injection head main body, realizing overall cooling of the pressure injection head main body.

[0012] Preferably, the buffer layer is made of soft rubber, and the thickness of the buffer layer is 0.5-10mm. Buffer layer realizes the compression buffering effect of the pressure injection head main body.

[0013] Preferably, the cooling layer is arranged as a condensing sleeve to achieve the cooling effect on the injection head body.

[0014] Preferably, the temperature insulation layer is made of silica aerogel flexible thermal insulation film, the thickness of the silica aerogel flexible thermal insulation film is 10-20 μm, and the temperature insulation layer reduces the external temperature transmission to the injection head body.

[0015] Preferably, the waterproof layer is composed of JS waterproof paint to avoid damage of the buffer layer by liquid.

[0016] Preferably, the wear-resistant layer is composed of nickel bronze alloy, the thickness of the wear-resistant layer is 1-6 mm, and the wear resistance of the surface of the injection head body is improved.

[0017] Compared with the prior art, the injection head of the die casting machine has the beneficial effects that:

[0018] The high wear-resistant coating structure of the injection head of the die casting machine can greatly improve the wear resistance of the surface of the injection head body, avoid damage of the injection head body caused by wear in a long-term working state, improve the heat absorption, heat dissipation and wear resistance of the nickel bronze alloy, improve the heat dissipation capacity and wear resistance of the injection head, and prolong the service life of the injection head of the die casting machine.

[0019] The high wear-resistant coating structure of the injection head of the die casting machine can reduce the external temperature transmission to the injection head body through the temperature insulation layer, and achieve the comprehensive cooling effect on the injection head body by combining the cooling effect of the cooling layer and the cooling assembly, thereby avoiding damage of the injection head body caused by high temperature for a long time, prolonging the service life of the injection head body, reducing the replacement frequency of the injection head body, improving the working efficiency and productivity.

[0020] The high wear-resistant coating structure of the injection head of the die casting machine can achieve the pressure buffering effect on the injection head body through the buffer layer, and improve the protection of the injection head body. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front sectional view of the utility model;

[0022] Figure 2 It is a whole front perspective view of the utility model;

[0023] Figure 3 It is a front perspective view of the injection head body of the utility model;

[0024] Figure 4 It is a front perspective view of the cooling ring plate of the utility model;

[0025] Figure 5 It is a front perspective view of the cooling ring plate of the utility model; Figure 1 It is an enlarged perspective view of area A of the utility model.

[0026] In the figure: 1. Injection head body; 2. Internal thread; 3. Cooling component; 3. Condensing circular plate; 301. Condensing ring plate; 302. Buffer layer; 4. Cooling layer; 5. Insulation layer; 6. Waterproof layer; 7. Wear-resistant layer; 8. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1: Please refer to Figure 1 - Figure 5 This utility model provides a technical solution: a high wear-resistant coating structure for a die-casting machine injection head, including an injection head body 1, an internal thread 2 fixedly connected to the inner side of the injection head body 1, and a cooling component 3 provided on the right side of the injection head body 1.

[0029] A buffer layer 4 is fixedly provided on the surface of the injection head body 1. The buffer layer 4 is made of soft rubber and has a thickness of 0.5-10mm. Through the buffer layer 4, the pressure-resistant buffering effect of the injection head body 1 is achieved, thereby improving the protection of the injection head body 1.

[0030] A cooling layer 5 is fixedly disposed on the surface of the buffer layer 4, and the cooling layer 5 is configured as a condenser sleeve.

[0031] A heat insulation layer 6 is fixedly disposed on the surface of the cooling layer 5. The heat insulation layer 6 is made of a flexible heat insulation film of silica aerogel, and the thickness of the flexible heat insulation film of silica aerogel is 10-20μm.

[0032] A waterproof layer 7 is coated on the surface of the thermal insulation layer 6, and the waterproof layer 7 is composed of JS waterproof coating.

[0033] A wear-resistant layer 8 is fixedly installed on the surface of the waterproof layer 7. The wear-resistant layer 8 is composed of nickel bronze alloy and has a thickness of 1-6mm. The wear-resistant layer 8 can greatly improve the wear resistance of the surface of the injection head body 1, preventing the injection head body 1 from being worn and damaged under long-term working conditions. At the same time, the heat absorption, heat dissipation and wear resistance properties of nickel bronze alloy can be used to improve the heat dissipation capacity and wear resistance of the injection punch, thereby increasing the service life of the die-casting machine injection head. Through the heat insulation layer 6, cooling layer 5 and cooling component 3, the heat insulation layer 3 reduces the external temperature transfer to the injection head body 1. At the same time, combined with the cooling effect of the cooling layer 5 and cooling component 3, the cooling effect of the injection head body 1 is achieved, preventing the injection head body 1 from being damaged by high temperature for a long time, extending the service life of the injection head body 1, reducing the replacement frequency of the injection head body 1, and improving work efficiency and production capacity.

[0034] The cooling component 3 includes a condensing circular plate 301 and a condensing ring plate 302 located on the right side of the injection head body 1. The right end face of the injection head body 1 extends through the right side face of the condensing circular plate 301 to the right side of the condensing circular plate 301. The left side face of the condensing circular plate 301 is fixedly connected to the right side face of the injection head body 1. The condensing ring plate 302 is fixedly sleeved on the right end face of the injection head body 1.

[0035] In use, a buffer layer 4 is connected to the outer surface of the cleaned injection head body 1 to provide pressure-resistant buffering; a cooling layer 5 is connected to the outer surface of the buffer layer 2 to cool the surface of the injection head body 1; a heat insulation layer 6 is connected to the outer surface of the cooling layer 5 to reduce the transfer of external temperature to the injection head body 1; a waterproof layer 7 is coated on the outer surface of the heat insulation layer 6 to prevent liquid from damaging the buffer layer 2; a wear-resistant layer 8 is connected to the outer surface of the waterproof layer 7 to increase the wear resistance of the injection head body 1; a cooling component 3 is connected to the right side surface of the injection head body 1, and a condensing disc 301 and a condensing ring 302 cool the right side surface of the injection head body 1; finally, the injection head body 1 is installed through the internal thread 2.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high wear-resistant coating structure for a die-casting machine injection head, comprising an injection head body (1), characterized in that: The inner side of the injection head body (1) is fixedly connected with an internal thread (2), and a cooling component (3) is provided on the right side of the injection head body (1). A buffer layer (4) is fixedly provided on the surface of the injection head body (1); A cooling layer (5) is fixedly disposed on the surface of the buffer layer (4); A heat insulation layer (6) is fixedly provided on the surface of the cooling layer (5); The surface of the thermal insulation layer (6) is coated with a waterproof layer (7); A wear-resistant layer (8) is fixedly installed on the surface of the waterproof layer (7).

2. The high wear-resistant coating structure for a die-casting machine injection head according to claim 1, characterized in that: The cooling component (3) includes a condensing circular plate (301) and a condensing ring plate (302) located on the right side of the injection head body (1). The right end face of the injection head body (1) extends through the right side face of the condensing circular plate (301) to the right side of the condensing circular plate (301). The left side face of the condensing circular plate (301) is fixedly connected to the right side face of the injection head body (1). The condensing ring plate (302) is fixedly sleeved on the right end surface of the injection head body (1).

3. The high wear-resistant coating structure for a die-casting machine injection head according to claim 1, characterized in that: The buffer layer (4) is made of soft rubber and has a thickness of 0.5-10 mm.

4. The high wear-resistant coating structure for a die-casting machine injection head according to claim 1, characterized in that: The cooling layer (5) is configured as a condenser jacket.

5. The high wear-resistant coating structure for a die-casting machine injection head according to claim 1, characterized in that: The insulation layer (6) is made of a silica aerogel flexible insulation film with a thickness of 10-20 μm.

6. The high wear-resistant coating structure for a die-casting machine injection head according to claim 1, characterized in that: The waterproof layer (7) is composed of JS waterproof coating.

7. The high wear-resistant coating structure for a die-casting machine injection head according to claim 1, characterized in that: The wear-resistant layer (8) is composed of nickel bronze alloy and has a thickness of 1-6 mm.

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