Novel pressure chamber integrally embedded with inner sleeve

Abstract

The utility model discloses a novel integrally embedded inner sleeve type pressure chamber which comprises a pressure chamber body, one end of the pressure chamber body is provided with a soup pouring feed port, and the other end of the pressure chamber body is provided with an installation positioning groove and an installation fixing flat position which are used for being fixed to a die-casting template. And the front-end cooling jacket is fixedly connected with the pressure chamber body through interference fit and circumferential full-length welding to form an integral structure. The integrally embedded inner sleeve type pressure chamber solves the problem that a traditional pressure chamber is prone to corrosion and cracking, the service life is prolonged by 2.0-2.5 times, meanwhile, the production cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of cooling water channel technology, and in particular to a novel integrally inlaid inner sleeve pressure chamber. Background Technology

[0002] Traditional pressure chambers suffer from problems such as easy corrosion of the pouring port, uneven internal temperature, and poor coaxiality of the punch movement, resulting in short service life and high product defect rate. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this application proposes a novel integrally inlaid inner sleeve pressure chamber to solve the problems existing in the prior art.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0005] A novel integrally inlaid inner sleeve pressure chamber, wherein

[0006] The pressure chamber body has a pouring inlet at one end and an installation positioning groove and an installation fixing flat part at the other end for fixing on the die casting template.

[0007] The front cooling sleeve is fixedly connected to the pressure chamber body by interference fit and full circumferential welding to form an integral structure.

[0008] The cooling system includes a deep cooling water channel, an annular cooling tank, and an annular water channel baffle. The deep cooling water channel penetrates the interior of the pressure chamber body and is connected at one end to the annular cooling tank of the front cooling jacket. The annular water channel baffle is located in the annular cooling tank to guide the cooling water circulation and ensure sealing.

[0009] The integrally fitted inner sleeve includes inner sleeve A and inner sleeve B, which are sequentially fitted into the inner hole of the pressure chamber body to form an integral inner cavity structure.

[0010] Punch support bracket, which is located at the bottom of the pressure chamber body and is used to support heavy-duty grooved punches;

[0011] The auxiliary structure includes an oil drip hole and a lubricating oil groove on the pressure chamber body, and a heat insulation groove on the outside of the cooling system.

[0012] As a further technical solution of this utility model: the interference fit tolerance between the front cooling sleeve and the pressure chamber body is H7 / p6, the circumferential full welding adopts argon arc welding process, and the weld height is not less than 2mm.

[0013] As a further technical solution of this utility model: the deep cooling water channel of the cooling system includes a main water channel that runs through both the left and right ends, with the right end being the water inlet and the left end being the water outlet. Cooling water enters from the deep cooling water channel at the right end, circulates through the annular cooling tank, and then flows out from the left end.

[0014] As a further technical solution of this utility model: the mounting and fixing flat part is a symmetrically arranged planar structure that cooperates with the slot of the die-casting template, and the mounting positioning groove is an annular groove that is fixed by a positioning pin.

[0015] As a further technical solution of this utility model: the punch support is an inverted T-shaped structure, and the upper end face is provided with a linear bearing mounting groove for mounting a linear bearing to support the punch.

[0016] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0017] This utility model's integrally inlaid inner sleeve pressure chamber solves the problems of corrosion and cracking in traditional pressure chambers, increasing service life by 2.0-2.5 times, while reducing production costs and improving production efficiency. Attached Figure Description

[0018] Figure 1 This is a cross-sectional view of the present invention.

[0019] Figure 2 This is the front view of the present invention.

[0020] Figure 3 This is a schematic diagram of the end face structure of this utility model.

[0021] Figure 4 This is an overall drawing of the present utility model.

[0022] In the diagram: 1-Pressure chamber body, 2-Pouring inlet, 3-Oil drip hole and lubricating oil groove, 4-Punch support bracket, 5-Front-end cooling sleeve, 6-Inner sleeve B, 7-Inner sleeve A, 8-Insulation groove, 9-Annular cooling groove, 10-Deep cooling water channel, 11-Installation positioning groove, 12-Installation fixing shoulder, 13-Annular water channel water-blocking block, 14-Deep cooling water channel, 15-Installation fixing flat position. Detailed Implementation

[0023] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] like Figure 1-4As shown, a novel integrally fitted inner-sleeve pressure chamber includes a pressure chamber body 1, a front cooling sleeve 5, an annular cooling groove 9, a heat insulation groove 8, an annular water channel baffle 13, a deep cooling water channel 14, a pouring inlet 2, an oil drip hole, and a lubricating oil groove 3, as well as a mounting and fixing flat part 15, a punch support 4, and inner sleeves A7 and B6. The front cooling sleeve 5 and the pressure chamber body 1 are completely fixed together by interference fit and full circumferential welding, thus becoming a whole. When cooling water enters the annular cooling groove 9 at the left end of the pressure chamber through the deep cooling water channel 14 at the right end, the interaction of the annular water channel baffle 13 and other components ensures the circulation effect and sealing of the cooling water; it not only fully cools the aluminum die-casting molten metal entering the pressure chamber body 1 and the front end of the mold, but also ensures the constantness of the aluminum die-casting molten metal in different positions throughout the entire long pressure chamber. The inner bore of the pressure chamber is manufactured using an "integral inner sleeve (inner sleeve A7 + inner sleeve B6)" method. Inner sleeves A7 and B6 are made of special hot-work die steel containing high chromium and molybdenum elements, enhancing the high density, wear resistance, and corrosion resistance of the inner cavity surface. The pressure chamber is fixed to the die-casting template by mounting and fixing flat parts 15 and mounting positioning grooves 11 to prevent misalignment and movement during die-casting. The heavy-duty grooved punch is supported upwards by the punch support bracket 4 to ensure a certain linear motion of the punch during operation, thereby ensuring the coaxiality and straightness of the relative movement between the punch and the pressure chamber.

[0025] Working principle:

[0026] This invention solves the problems of easy corrosion, pitting, and cracking at the "pouring port" of the original pressure chamber. After the "inner sleeve A + inner sleeve B" are inlaid as a whole, the special properties of the inner sleeve A and inner sleeve B materials, which are extremely wear-resistant, high-temperature resistant, and corrosion-resistant, and the circulation cooling effect of the deep cooling water channel + front-end annular cooling water tank, can ensure the consistency and constantness of the temperature of the aluminum die-casting molten liquid in the pressure chamber cavity. Therefore, the overall service life of the pressure chamber can be increased by more than 2.0 to 2.5 times.

[0027] After the inner cavity of the pressure chamber is inlaid with "inner sleeve A + inner sleeve B", the inner sleeves A and B are made of special hot work die steel with ultra-wear resistance, high temperature resistance and corrosion resistance, while the pressure chamber body is made of ordinary die steel. The combination of these two materials not only ensures the ultra-wear resistance, high temperature resistance and strong corrosion resistance of the pressure chamber inner cavity, but also greatly reduces the cost of raw materials due to the ordinary material properties of the pressure chamber body. After cooling by front and rear seals and deep circulating cooling water channels, the service life and lifespan of the pressure chamber product are greatly improved, and product quality is further guaranteed. It can also effectively reduce the product defect rate. It plays a significant role in improving the efficiency of production enterprises and reducing and saving production costs.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment have been appropriately combined to form other embodiments that are easy for those skilled in the art to understand.

Claims

1. A novel integrally inlaid inner sleeve type pressure chamber, characterized in that, include: The pressure chamber body has a pouring inlet at one end and an installation positioning groove and an installation fixing flat part at the other end for fixing on the die casting template. The front cooling sleeve is fixedly connected to the pressure chamber body by interference fit and full circumferential welding to form an integral structure. The cooling system includes a deep cooling water channel, an annular cooling tank, and an annular water channel baffle. The deep cooling water channel penetrates the interior of the pressure chamber body and is connected at one end to the annular cooling tank of the front cooling jacket. The annular water channel baffle is located in the annular cooling tank to guide the cooling water circulation and ensure sealing. The integrally fitted inner sleeve includes inner sleeve A and inner sleeve B, which are sequentially fitted into the inner hole of the pressure chamber body to form an integral inner cavity structure. Punch support bracket, which is located at the bottom of the pressure chamber body and is used to support heavy-duty grooved punches; The auxiliary structure includes an oil drip hole and a lubricating oil groove on the pressure chamber body, and a heat insulation groove on the outside of the cooling system.

2. The novel integrally inlaid inner sleeve type pressure chamber according to claim 1, characterized in that, The interference fit tolerance between the front cooling jacket and the pressure chamber body is H7 / p6, and the circumferential full welding adopts argon arc welding process, with a weld height of not less than 2mm.

3. A novel integrally inlaid inner sleeve type pressure chamber according to claim 2, characterized in that, The deep cooling water channel of the cooling system includes a main water channel that runs through both the left and right ends. The right end is the water inlet and the left end is the water outlet. Cooling water enters from the deep cooling water channel at the right end, circulates through the annular cooling tank, and then flows out from the left end.

4. A novel integrally inlaid inner sleeve type pressure chamber according to claim 3, characterized in that, The mounting and fixing flat part is a symmetrically arranged planar structure that cooperates with the slot of the die-casting template. The mounting and positioning groove is an annular groove that is fixed by a positioning pin.

5. A novel integrally inlaid inner sleeve type pressure chamber according to claim 1, characterized in that, The punch support is an inverted T-shaped structure with a linear bearing mounting groove on the upper end face for mounting a linear bearing to support the punch.

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