CN218799022U

CN218799022U - Die-casting feeding structure

Info

Publication number: CN218799022U
Application number: CN202223543162.9U
Authority: CN
Inventors: 武基勇
Original assignee: Wuxi Haoxin Mould Manufacturing Co ltd
Current assignee: Wuxi Haoxin Mould Manufacturing Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-07
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to a die-casting technical field, concretely relates to die-casting feeding structure. The device comprises a product, wherein a feeding runner is connected with the head end of the product; the feeding channel comprises a feeding hole, a first channel, a second channel, a third channel and a fourth channel are arranged on one side of the feeding hole, one end of the first channel and one end of the second channel are both connected with the top of the head end of the product, one end of the third channel and one end of the fourth channel are both connected with the bottom of the head end of the product, and the feeding hole is connected with the other ends of the first channel, the second channel, the third channel and the fourth channel through connecting channels; the slag ladle sets up around product top and bottom, and the slag ladle is connected with the exhaust piece. Through addding third runner and fourth runner for the molten metal can carry out injection moulding to the upper portion and the lower part of product simultaneously, can greatly improve the velocity of flow of molten metal, and then improves the speed of filling, can effectively reduce the emergence of cold shut defect.

Description

Die-casting feeding structure

Technical Field

The utility model relates to a die-casting technical field, concretely relates to die-casting feeding structure.

Background

Die casting is a metal casting process and is characterized in that high pressure is applied to molten metal by utilizing an inner cavity of a die. The mold is typically machined from a stronger alloy, a process somewhat similar to injection molding. Most diecast products are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin and lead-tin alloys and alloys thereof. Depending on the type of die casting, either a cold chamber die casting machine or a hot chamber die casting machine may be used.

In die casting, the design of the feed channel determines the quality of the product. In the existing feeding mode, the probability of cold shut generation at the tail end of a product is high, and meanwhile, the die core rib position is easy to pull to cause deformation, so that the die maintenance cost is increased.

The above problems are problems that need to be solved in the art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a die-casting feeding structure to can compensate the defect of product cold shut.

In order to solve the technical problem, the utility model provides a scheme is: a die-casting feeding structure comprises a product, wherein a feeding runner is connected with the head end of the product;

the feeding channel comprises a feeding hole, a first channel, a second channel, a third channel and a fourth channel are arranged on one side of the feeding hole, one end of the first channel and one end of the second channel are both connected with the top of the head end of the product, one end of the third channel and one end of the fourth channel are both connected with the bottom of the head end of the product, and the feeding hole is connected with the other ends of the first channel, the second channel, the third channel and the fourth channel through connecting channels;

the slag ladle is arranged on the periphery of the top and the bottom of the product, and the slag ladle is connected with the exhaust block.

As a further improvement, the connection flow channel includes the total flow channel, total flow channel one end with the feed inlet is connected, and its other end is connected and is provided with the tributary, the tributary with first runner the second runner the third runner with the fourth runner is connected.

As a further improvement of the present invention, the first runner and the second runner include the continuous bending pipe, and the angle of the pipe bending part is 90 °.

As a further improvement of the present invention, the third runner and the fourth runner include a plurality of inlet pipes connected to the product.

As a further improvement of the utility model, the rib position of the mold core is provided with a coating.

The utility model has the advantages that:

the utility model discloses rational in infrastructure, simple, the simple operation, the molten metal enters into to the inside die cavity of mould from the feed inlet, and the molten metal loops through the inside that first runner, second runner, third runner and fourth runner entered into to the die cavity along connecting the runner, realizes the casting shaping to the product.

Through addding third runner and fourth runner for the molten metal can carry out injection moulding to the upper portion and the lower part of product simultaneously, can greatly improve the velocity of flow of molten metal, and then improves the speed of filling, can effectively reduce the emergence of cold shut defect.

The slag ladle is also arranged, can contain cold metal liquid entering the cavity at the most, and gas and oxide impurities mixed in the cold metal liquid, and can be used as a part of a heat source, so that the distribution of a temperature field of the cavity of the mold is improved, the phenomena of casting flow marks, cold shut and insufficient pouring are reduced, and the product quality can be greatly improved. Meanwhile, the slag ladle is further connected with an exhaust block, gas in the molten metal can be exhausted to the outside through the effect of the exhaust block, bubbles in the product are avoided, and the quality of the product can be greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the feeding flow channel of the present invention.

Reference numerals: 1. a product; 2. a feed runner; 21. a feed inlet; 22. a first flow passage; 221. 5 pipelines of pipes; 23. a second flow passage; 24. a third flow path; 241. a feed pipe; 25. a fourth flow path; 26. connecting flows

A lane; 261. a main flow channel; 262. tributary; 3. slag ladle; 4. and (7) exhausting the air block.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments so as to enable those skilled in the art to practice the invention

The skilled person will understand the invention better and can carry out the invention, but the examples given are not intended as limitations to the invention of this embodiment 0.

Referring to fig. 1, the design of the feeding runner is applied to a die casting mold according to an embodiment of the present invention. The feeding runner 2 is connected with the first section of the product 1, and the molten metal is cast on the product 1 through the feeding runner 2. Wherein the feeding runner 2 comprises a feeding port 21 for the molten metal to enter, and the feeding port 21 is communicated with

The interconnecting flow channel 26 is in 5 communication with the first, second, third and

fourth flow channels

22, 23, 24, 25, and the first, second, third and

fourth flow channels

22, 23, 24, 25 are in communication with the product 1

The connection is made. In the using process, the molten metal enters the interior of the mold from the feed opening 21, and the molten metal enters the cavity along the connecting flow passage 26 sequentially through the first flow passage 22, the second flow passage 23, the third flow passage 24 and the fourth flow passage 25, so that the product 1 is cast and molded. By adding a third flow passage 24 and a second flow passage

The four runners 25 enable molten metal to be subjected to injection molding on the upper portion and the lower portion of the product 1 at the same time, the flow rate of the molten metal can be greatly increased by 0 degree, the filling speed is further increased, and the cold shut defect can be effectively reduced.

Meanwhile, the slag ladle 3 is connected and arranged around the top and the bottom of the product 1, the slag ladle 3 can contain cold metal liquid which enters a cavity most at first and gas and oxide impurities mixed in the cold metal liquid, and can be used as a part of a heat source, so that the distribution of a temperature field of the cavity of the mold is improved, the phenomena of casting flow marks, cold shut and insufficient pouring are reduced, and the quality of the product 1 can be greatly improved. Simultaneously, the slag ladle 3 is also connected with the exhaust block 4, and the gas in the molten metal can be exhausted to the outside under the action of the exhaust block 4, so that the generation of bubbles in the product 1 is avoided, and the quality of the product 1 can be greatly improved.

As shown in fig. 2, the connecting channel 26 includes a total channel 261, and both ends of the total channel 261 are connected to the feed port 21 and the branch streams 262, respectively. The branch 262 is connected with the first flow channel 22 and the second flow channel 23, the branch 262 further connects the first flow channel 22 with the third flow channel 24, and connects the second flow channel 23 with the fourth flow channel 25, and finally, the feed port 21 is communicated with the first flow channel 22, the second flow channel 23, the third flow channel 24 and the fourth flow channel 25.

As shown in fig. 2, each of the first flow channel 22 and the second flow channel 23 includes a continuously bent pipe 221, and the angle of the bent portion of the pipe 221 is 90 °, so that the molten metal flows more smoothly, and the molten metal is filled more smoothly. And the coating process is added at the rib position of the mold core, so that the wrapping force of molten metal during flowing can be reduced, and the molten metal can be filled more smoothly.

As shown in fig. 2, in order to further increase the molten metal filling speed, a plurality of feed pipes 241 connected to the cavity of the product 1 are provided in the third flow passage 24 and the fourth flow passage 25, and by adding the feed pipes 241, the molten metal filling efficiency can be greatly improved, and the occurrence of cold shut can be reduced.

During actual work, molten metal enters a cavity in the mold through the feed inlet 21, and the molten metal enters the cavity through the first flow passage 22, the second flow passage 23, the third flow passage 24 and the fourth flow passage 25 in sequence along the connecting flow passage 26, so that the injection molding of the product 1 is realized. And the quality of the product 1 can be effectively improved through the actions of the slag ladle 3 and the exhaust block 4.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above only is the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures that are used in the content of the specification and the attached drawings of the present invention can be changed or directly or indirectly used in other related technical fields, and all the same principles are included in the patent protection scope of the present invention.

Claims

1. A die-casting feeding structure, comprising a product (1), characterized in that a feeding runner (2) is connected with the head end of the product (1);

the feeding channel (2) comprises a feeding hole (21), a first channel (22), a second channel (23), a third channel (24) and a fourth channel (25) are arranged on one side of the feeding hole (21), one end of the first channel (22) and one end of the second channel (23) are connected with the top of the head end of the product (1), one end of the third channel (24) and one end of the fourth channel (25) are connected with the bottom of the head end of the product (1), and the feeding hole (21) is connected with the other ends of the first channel (22), the second channel (23), the third channel (24) and the fourth channel (25) through a connecting channel (26);

the slag ladle (3) is arranged on the periphery of the top and the bottom of the product (1), and the slag ladle (3) is connected with the exhaust block (4).

2. A die-casting feed structure as defined in claim 1, wherein said connecting flow path (26) includes a main flow path (261), said main flow path (261) being connected at one end to said feed port (21) and being connected at the other end thereof with a branch flow (262), said branch flow (262) being connected to said first flow path (22), said second flow path (23), said third flow path (24) and said fourth flow path (25).

3. Die-cast feed structure as claimed in claim 1, characterized in that said first flow channel (22) and said second flow channel (23) each comprise a continuous bend-like duct (221), the angle at which said duct (221) bends being 90 °.

4. A die-casting feed structure as claimed in claim 1, characterized in that said third flow channel (24) and said fourth flow channel (25) each comprise a number of feed pipes (241) connected to said products (1).

5. A die-cast feed structure as recited in claim 1, wherein the die core ribs are provided with a coating.