Conical pouring gate structure

Abstract

A conical pouring gate structure belongs to the technical field of casting and comprises a feeding portion, a cavity, a feeding channel and a conical pouring gate, the feeding channel is communicated with the feeding portion and the conical pouring gate, the cavity comprises a contact face and an outer side cavity, the outer side cavity is located on the edge of the cavity and used for forming corners of a workpiece, and the conical pouring gate comprises a main pouring gate and an outer pouring gate. The main pouring gate is communicated with the middle of the contact face, the outer pouring gates are located on the two sides of the main pouring gate and communicated with the contact face, the tail ends of the outer pouring gates expand in the edge direction of the cavity to form drainage parts, and the drainage parts are communicated with the outer side cavity. The pouring gate has the beneficial effects that the filling direction and the filling speed of molten aluminum are changed by the conical structure of the outer pouring gate through the drainage part communicated with the outer side cavity of the cavity, so that the cavity can be fully filled with the molten aluminum, and the wrapping phenomenon caused by insufficient filling of corners of the cavity and mutual interference of the molten aluminum is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to casting technical field especially is related to a taper runner structure. BACKGROUND

[0002] Casting is a process of injecting prepared casting raw material into a mold to solidify and obtain a product similar to the mold cavity. The raw material for casting can be a monomer, a slurry after preliminary polymerization or polycondensation, or a solution of a polymer and a monomer, etc.

[0003] In the casting production of automobile longitudinal beam products, the filling speed of aluminum liquid in the side wall is difficult to guarantee, which greatly affects the overall filling result of the product and makes it difficult to guarantee the performance requirements of the formed product. UTILITY MODEL CONTENT

[0004] In order to overcome the existing technical problems, the utility model provides a taper runner structure, and the specific technical scheme is as follows:

[0005] A taper runner structure includes a feeding part, a cavity, a feeding channel, and a taper runner. The feeding channel communicates the feeding part and the taper runner. The cavity includes a contact surface and an outer cavity. The outer cavity is located at the edge of the cavity and is used for forming the corners of the workpiece. The taper runner includes a main runner and an outer runner. The main runner communicates with the middle part of the contact surface. The outer runner is located on both sides of the main runner and communicates with the contact surface. The outer runner expands at the end to form a drainage part in the direction of the edge of the cavity. The drainage part communicates with the outer cavity.

[0006] Further, the drainage part is provided with a drainage wall, which is curved from one side of the outer wall of the outer runner to a direction parallel to the contact surface.

[0007] Further, the drainage part is close to the edge of the cavity.

[0008] Further, the number of taper runner channels is multiple, and multiple taper runners communicate with the feeding channel.

[0009] Further, the number of feeding channels is two, and one feeding channel communicates with multiple main runners and one outer runner.

[0010] Further, the two feeding channels are symmetrically arranged.

[0011] Further, the feeding channel and the taper runner are integrally formed.

[0012] Further, the cavity is provided with a slag discharge port, which is located on the side of the cavity away from the contact surface.

[0013] Further, the number of the slag discharge ports is multiple.

[0014] Further, the multiple slag discharge ports are symmetrically arranged.

[0015] The utility model discloses the beneficial effect lies in: through the drainage of the outer side cavity of the cavity with the drainage of the drainage part, the conical structure of the outer runner changes the filling direction and filling speed of the aluminum liquid, and the aluminum liquid can fill the cavity fully, and the wrapping phenomenon caused by the insufficient filling of the corner of the cavity and the mutual interference of the aluminum liquid is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the conical runner structure of the utility model.

[0017] In the figure: 1, feed part;2, feed channel;3, conical runner;31, main runner;32, outer runner;321, drainage part;322, drainage wall;4, cavity;41, contact surface;42, outer side cavity;43, slag discharge port. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model. Figure 1 The utility model is further explained as follows:

[0020] A conical runner structure includes a feed part 1, a feed channel 2, a conical runner 3 and a cavity 4.

[0021] The cavity 4 includes a contact surface 41, an outer side cavity 42 and a slag discharge port 43, the contact surface 41 is used to communicate the runner, the outer side cavity 42 is located at the edge of the cavity 4, the outer side cavity 42 is used to form the corner of workpiece, the slag discharge port 43 is located at the side away from the contact surface 41, and is used to discharge slag after product filling end, and discharge bulk material and gas. Specifically, in the embodiment, the number of the slag discharge port 43 is multiple, and the multiple slag discharge ports 43 are symmetrically arranged.

[0022] The feeding channel 2 is communicated with the feeding part 1 and the taper runner 3, the taper runner 3 is communicated with the contact surface 41 of the cavity 4, specifically, the feeding channel 2 and the taper runner 3 are integrally formed in the embodiment; the taper runner 3 comprises the main runner 31 and the outer runner 32, the main runner 31 is communicated with the middle part of the contact surface 41, the outer runner 32 is located on both sides of the main runner 31, specifically, the number of the feeding channel 2 and the taper runner 3 is two in the embodiment, the two feeding channels 2 are symmetrically arranged, one feeding channel 2 is communicated with a plurality of main runners 31 and one outer runner 32, and the two outer runners 32 are located on both sides of the plurality of main runners 31; the outer runner 32 is expanded at the end to form the drainage part 321 in the edge direction of the cavity 4, the drainage part 321 is provided with the drainage wall 322, the drainage wall 322 is bent in the direction parallel to the contact surface 41 from the outer wall of one side of the outer runner 32, the drainage part 321 is close to the edge of the cavity 4, and the drainage part 321 is communicated with the outer cavity 42.

[0023] The working principle of the utility model is: the molten aluminum is injected into the cavity 4 through the feeding part 1, the feeding channel 2 and the taper runner 3, at the edge of the cavity 4, the molten aluminum covers the outer cavity 42 of the edge of the cavity 4 through the drainage of the drainage part 321, so that the molten aluminum is not filled in place, and the flow rate of the molten aluminum in the outer cavity 42 is less than that in the middle part of the cavity 4, so that the phenomenon of wrapping of the molten aluminum caused by the too low flow rate of the molten aluminum in the middle part of the cavity 4 is avoided, product defects are caused, the cavity 4 is filled, and the excess molten aluminum, waste residue and waste gas are discharged through the slag discharge port 43.

[0024] The utility model has the advantages that the taper structure of the outer runner 32 can change the filling direction and filling speed of the molten aluminum through the drainage part 321 communicated with the outer cavity 42 of the cavity 4, so that the molten aluminum can be fully filled in the cavity 4, and the wrapping phenomenon caused by the insufficient filling of the cavity 4 corner and the mutual interference of the molten aluminum is avoided.

[0025] The above embodiment only expresses one implementation of the utility model, but can not be understood as the limitation of the utility model patent range. It should be pointed out that, for ordinary skilled person in the art, without departing from the concept of the utility model, a plurality of deformations and improvements and evolutions can be made, which are equivalent modifications and evolutions of the above embodiment according to the essential technology of the utility model, and these all belong to the protection range of the utility model.

Claims

1. A taper gate structure comprising a feeder portion and a cavity, characterized by: The mold cavity comprises a contact surface and an outer cavity located at the edge of the mold cavity, the outer cavity is used for forming the corner of the workpiece, the taper gate comprises a main gate and an outer gate, the main gate is communicated with the middle part of the contact surface, the outer gate is located on both sides of the main gate, the outer gate is communicated with the contact surface, and the end of the outer gate is expanded to the edge of the mold cavity to form a drainage part, and the drainage part is communicated with the outer cavity.

2. The structure of the taper gate according to claim 1, wherein: The drainage part is provided with a drainage wall which is curved from the side wall of the outer gate to the direction parallel to the contact surface.

3. The structure of the taper gate according to claim 2, wherein: The drainage part is close to the edge of the mold cavity.

4. The structure of the taper gate according to claim 1, wherein: The number of the taper gate channels is multiple, and multiple taper gates are communicated with the feeding channel.

5. The structure of a taper gate according to claim 4, wherein: The number of the feeding channels is two, one feeding channel is communicated with multiple main gates and one outer gate.

6. The structure of a taper gate according to claim 5, wherein: The two feeding channels are symmetrically arranged.

7. The structure of a taper gate according to claim 1, wherein: The feeding channel and the taper gate are integrally formed.

8. The structure of the taper gate according to claim 1, wherein: The mold cavity is provided with a slag discharge port which is located on the side of the mold cavity away from the contact surface.

9. The structure of a taper gate according to claim 8, wherein: The number of the slag discharge ports is multiple.

10. The taper gate structure of claim 9, wherein: The multiple slag discharge ports are symmetrically arranged.

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