CN212598702U

CN212598702U - Ram casting device

Info

Publication number: CN212598702U
Application number: CN202020578337.1U
Authority: CN
Inventors: 刘晓亮; 张剑
Original assignee: Fuxin Lida Steel Casting Co ltd
Current assignee: Fuxin Lida Steel Casting Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-26
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a ram casting device, including sprue, cross gate and ingate, the cross gate is two at least, and two adjacent cross gates pass through the sprue intercommunication, and the bottom of cross gate is equipped with the filter that is used for filtering the molten iron, and the bottom of filter is equipped with the water catch bowl. In the ram casting device that this application provided, set up to a plurality ofly through the runner, and set up the filter on the runner, effectively get rid of the inclusion that exists among the pouring in-process metal liquid and the gating system, guaranteed the purity of molten iron, and then reduce the ram and often appear the circumstances such as sand inclusion, inclusion slag on the friction plane, consequently, the ram casting device that this application provided has improved the casting quality of ram foundry goods effectively.

Description

Ram casting device

Technical Field

The utility model relates to a casting process technical field, in particular to ram casting device.

Background

The ram is used as one of important parts of a numerical control gantry machining center and a numerical control gantry milling machine, is arranged on the cross beam sliding seat, and the cutter is arranged at the end part of the lower end of the cross beam sliding seat to realize the machining of a workpiece. The ram can extend up and down along the Z-axis direction of the beam sliding seat to adjust the Z-axis stroke, so that the ram can bear a larger cutting torque ratio, and in order to reduce the friction resistance of shaft movement, a blank cutter is arranged on each friction plane to reduce the relative friction area, so that the quality requirement on the friction plane of the ram is higher.

However, the ram often has the conditions of sand inclusion, slag inclusion and the like on the friction plane, the casting quality of the ram is poor, and when the defect condition is serious, the friction plane cannot complete the machining process, even the ram casting is scrapped.

Therefore, how to improve the casting quality of the ram is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ram casting device to improve the casting quality of ram.

In order to achieve the above object, the utility model provides a ram casting device, including sprue, cross gate and ingate, the cross gate is two at least, adjacent two the cross gate passes through the sprue intercommunication, the bottom of cross gate is equipped with the filter that is used for filtering the molten iron, the bottom of filter is equipped with the water catch bowl, be equipped with the molten iron export on the water catch bowl.

Preferably, all the runners are arranged from top to bottom in sequence, the ingate is connected to the bottom downstream of the runner, and each bottom of the runner is provided with the filter and the water collecting tank.

Preferably, the number of the cross runners and the number of the straight runners are three, and the three straight runners are respectively a first straight runner connecting the upstream of the top end of the cross runner, a second straight runner connecting the top end of the cross runner and the middle cross runner, and a third straight runner connecting the middle cross runner and the bottom end of the cross runner.

Preferably, the water collection troughs of three of the runners are provided on three sides of the ram casting.

Preferably, the cross gate comprises two cross gate branches vertically arranged in the length direction, one of the two cross gate branches is provided with a water inlet connected with the upstream straight gate, and the other cross gate branch is provided with a water outlet connected with the downstream straight gate or the inner gate.

Preferably, the cooling iron is arranged at the top end of the side wall of the ram casting and matched with the side wall of the ram casting.

Preferably, the chilling blocks are multiple and are distributed along the circumferential direction of the side wall of the ram casting.

Preferably, the ingates are arranged at the bottom end of the ram casting device, and the number of the ingates is at least two.

Preferably, the casting device further comprises a riser positioned at the top end of the ram casting, and the riser is a heat-insulating riser.

Preferably, the number of the heat-insulating heating risers is four, and the four heat-insulating heating risers are distributed at four folding angles of the ram casting respectively.

In the technical scheme, the utility model provides a ram casting device includes sprue, cross gate and ingate, and the cross gate is two at least, and two adjacent cross gates pass through the sprue intercommunication, and the bottom of cross gate is equipped with the filter that is used for filtering the molten iron, and the bottom of filter is equipped with the water catch bowl.

According to the ram casting device, the cross runners are arranged in a plurality of numbers, the filters are arranged on the cross runners, impurities in molten metal and a pouring system in the pouring process are effectively removed, the purity of the molten iron is guaranteed, the situations that the ram is frequently subjected to sand inclusion, slag inclusion and the like on a friction plane are reduced, and therefore the casting quality of ram castings is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an isometric view of a ram casting apparatus provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a ram casting device according to an embodiment of the present invention;

FIG. 3 is a side view of the ram casting apparatus shown in FIG. 2;

FIG. 4 is an enlarged view of portion A of the ram casting apparatus shown in FIG. 3;

fig. 5 is a top view of a ram casting apparatus according to an embodiment of the present invention.

Wherein in FIGS. 1-5:

1. a sprue; 1-1, a first sprue; 1-2, a second sprue; 1-3, a third sprue;

2. a riser; 3. performing cold iron; 4. a cross gate; 5. a water collection tank; 6. a filter; 7. ram castings; 8. an inner runner.

Detailed Description

The core of the utility model is to provide a ram casting device to improve the casting quality of ram.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to 5.

In a specific implementation manner, the ram casting device provided by the specific embodiment of the present invention includes a sprue 1, a runner 4 and an ingate 8, the number of the runners 4 is at least two, and two adjacent runners 4 are communicated through the sprue 1. The ingate 8 is provided with a water outlet for pouring the ram casting 7.

As shown in fig. 1 and 4, a filter 6 for filtering molten iron is provided at a bottom end of the runner 4, and a sump 5 is provided at a bottom end of the filter 6. In particular, the filter 6 may be a ceramic foam filter. Of course, in order to improve the casting quality of the ram casting 7, the flow path of the ingate 8 is also provided with the filter 6. Specifically, the length of the water collection tank is distributed along the horizontal direction.

As can be seen from the above description, in the ram casting device provided in the embodiment of the present application, the number of the runners 4 is multiple, and the filter 6 is disposed on the runners 4, so as to effectively remove the molten metal and the impurities existing in the pouring system during the pouring process, ensure the purity of the molten iron, and further reduce the occurrence of sand inclusion, slag inclusion and the like on the friction plane of the ram, thereby effectively improving the casting quality of the ram casting 7.

In one embodiment, preferably, all the runners 4 are arranged from top to bottom in sequence, the ingate 8 is connected to the downstream of the bottom runner 4, and the bottom end of each runner 4 is provided with a filter 6 and a water collecting tank 5, that is, the molten iron in the runner 4 flows downstream through the filter 6 and the water collecting tank 5. Wherein the ingate 8 is located downstream of the bottom runner 4, i.e. the ram casting apparatus of the present application employs vertical casting.

As shown in fig. 1, the number of the runners 4 and the sprues 1 is three, the three sprues 1 are respectively a first sprue 1-1 connected to the upstream of the top-end runner 4, a second sprue 1-2 connected to the top-end runner 4 and the middle runner 4, and a third sprue 1-3 connected to the middle runner 4 and the bottom-end runner 4, and specifically, the three sprues 1 are respectively arranged on three sides of the ram casting 7.

Preferably, the water collection troughs 5 of the three runners 4 are arranged on three sides of the ram casting 7, as shown in fig. 1.

This application filters the molten iron through adopting three-layer filter 6, has got rid of the inclusion that exists among the metal liquid and the gating system among the pouring process, has guaranteed the purity of molten iron, changes the metal liquid of turbulent state into this application laminar flow state moreover, inhibits the formation of secondary oxidation inclusion effectively, has avoided the sand washing risk.

Specifically, the horizontal runner 4 comprises two horizontal runner branches vertically arranged in the length direction, one of the two horizontal runner branches is provided with a water inlet connected with the upstream sprue 1, and the other horizontal runner is provided with a water outlet connected with the downstream sprue 1 or the ingate 8. Specifically, the filter and the water collection tank are arranged on one of the transverse pouring branches.

In order to increase the cooling rate of the ram casting 7, the ram casting device preferably further comprises a chiller 3 matched with the top end of the side wall of the ram casting 7. Preferably, there are a plurality of chills 3, and a plurality of chills 3 are circumferentially distributed along the sidewall of the ram casting 7. The size of the chiller 3 is determined according to actual needs, and the application is not particularly limited, wherein the chiller 3 can be fixed on a main body bracket of the ram casting device. Specifically, the sprue 1, the runner 4, and the ingate 8 may be fixed by a body bracket.

In one embodiment, in order to improve the casting quality, at least two ingates 8 are arranged at the bottom end of the ram casting device, and preferably, the ingates are arranged in sequence at equal intervals, that is, the casting type in the ram casting device provided by the application is bottom pouring type casting.

On the basis of the above solutions, the ram casting device preferably further includes a riser 2 located at the top end of the ram casting 7, and the riser 2 is an insulating heating riser, specifically, one or at least two risers 2 may be provided.

In a specific embodiment, the number of the heat-insulating heating risers is four, and four heat-insulating heating risers are distributed at four folding angles of the ram casting 7 respectively.

By placing the heat-insulating exothermic riser, the heat-insulating material has a heat-insulating effect, so that heat transfer between molten metal in the riser 2 and external environments such as sand molds, air and the like is delayed, the solidification time of the molten metal is prolonged, and the feeding effect on castings is enhanced.

The ram casting device greatly reduces the slag inclusion and sand inclusion tendency, ensures the quality of the friction plane of the ram, and improves the quality of a ram casting 7.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The ram casting device is characterized by comprising a sprue (1), a cross gate (4) and an ingate (8), wherein the number of the cross gates (4) is at least two, the adjacent cross gates (4) are communicated through the sprue (1), a filter (6) used for filtering molten iron is arranged at the bottom end of the cross gate (4), and a water collecting tank (5) is arranged at the bottom end of the filter (6).

2. Ram casting device according to claim 1, characterized in that all the cross runners (4) are arranged in sequence from top to bottom, the ingate (8) is connected to the bottom downstream of the cross runners (4), and the bottom of each cross runner (4) is provided with the filter (6) and the water collection sump (5).

3. Ram casting device according to claim 2, characterised in that said runners (4) and said sprues (1) are three, the three sprues (1) being respectively a first sprue (1-1) connected upstream of the top sprue (4), a second sprue (1-2) connecting the top sprue (4) and the middle sprue (4) and a third sprue (1-3) connecting the middle sprue (4) and the bottom sprue (4).

4. Ram casting device according to claim 3, characterised in that the water collection troughs (5) of the three runners (4) are provided on three sides of the ram casting (7).

5. Ram casting device according to claim 1, characterised in that the cross runners (4) comprise two cross runners arranged vertically in the length direction, one of which is provided with an inlet for the connection to the upstream sprue (1) and the other with an outlet for the connection to the downstream sprue (1) or ingate (8).

6. Ram casting apparatus according to claim 4, further comprising a chill (3) matching the top of the ram casting (7) side wall.

7. Ram casting device according to claim 6, characterized in that the chills (3) are in plurality, and the chills (3) are distributed circumferentially along the side wall of the ram casting (7).

8. Ram casting device according to claim 1, wherein the ingate (8) is provided at the bottom end of the ram casting device, the number of ingates (8) being at least two.

9. Ram casting apparatus according to any of claims 1-8, further comprising risers (2) at the top of the ram casting (7), said risers (2) being insulated exothermic risers.

10. The ram casting device according to claim 9, wherein the number of the heat-insulating heating risers is four, and four heat-insulating heating risers are distributed at four folding positions of the ram casting (7).