Multi-cavity center pouring structure

By combining cutting and pulling structures on the mold, the multi-cavity center injection structure can be simultaneously cut and pulled apart for demolding, solving the problems of complex structure or high abnormality rate in the existing technology, improving demolding efficiency and reducing production costs.

CN223848061UActive Publication Date: 2026-01-30WUXI SHENGHE ELECTRIC MOTOR MFG CO LTD
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Patent Information

Application Number
CN202520306806.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-30
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

The existing mold's center-gating structure makes it difficult to balance reducing the defect rate and maintaining structural simplicity, resulting in high production costs or high defect rates.

Method used

The mold combines a cutting structure and a tearing structure. Cutting is achieved by driving the slider seat and the blade body with a hydraulic cylinder, and tearing is achieved by combining the tearing groove, forming a multi-cavity center injection structure, which realizes simultaneous cutting and tearing demolding.

Benefits of technology

It reduced the defect rate, improved demolding efficiency, simplified the mold structure, and reduced production costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223848061U_ABST
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Abstract

The utility model discloses a multi-cavity center pouring structure which comprises a cut-off structure and snapping structures, the snapping structures are arranged on the left side and the right side of the cut-off structure, and the cut-off structure and the snapping structures form a whole pouring structure. The pouring structure comprises a panel and a fixed mold, the panel and the fixed mold form a whole mold in a mold closing state, a central pouring gate is formed in the panel and is divided into a cutting-off structure pouring gate and two snapping structure pouring gates, the two snapping structure pouring gates are arranged on the left side and the right side of the cutting-off structure pouring gate, and the two snapping structure pouring gates are arranged on the left side and the right side of the cutting-off structure pouring gate. A runner is arranged between the fixed mold and the panel; and the cutting-off assembly is arranged in the groove of the fixed die and used for cutting off a workpiece subjected to die-casting forming in the runner from the sprue of the cutting-off structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a mold center casting structure technical field, concretely is a kind of multi-hole center casting structure. BACKGROUND

[0002] The center casting structure of general mold in prior art has two choices of cutting off and breaking off.Cutting off structure has low abnormal rate, but mold structure is complex, and cost is high.Breaking off structure has high abnormal rate, but mold structure is simple, and cost is low.

[0003] Therefore, the application provides a multi-hole center casting structure, which combines two structures on a multi-hole mold to reduce abnormal rate while simplifying mold structure. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of multi-hole center casting structures, which can solve the problem of abnormal rate and low production cost in the center casting structure of mold in prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of multi-hole center casting structure, comprising:

[0007] Cutting off structure and breaking off structure, the breaking off structure is arranged in the left and right sides of cutting off structure, and the cutting off structure and breaking off structure form the whole of casting structure;

[0008] The casting structure includes faceplate and fixed mold, and the faceplate and fixed mold form the whole of mold in closed mold state, the faceplate is provided with center casting port, the center casting port is divided into cutting off structure casting port and breaking off structure casting port, the breaking off structure casting port is arranged in the left and right sides of cutting off structure casting port, and flow channel is arranged between the fixed mold and faceplate.

[0009] Cutting off assembly is arranged in the groove of fixed mold, and is used to cut off the workpiece formed by pressure casting in flow channel from cutting off structure casting port.

[0010] Further, the cutting off assembly includes: oil cylinder, the oil cylinder is arranged above the fixed mold;Slide block seat is fixedly installed with the running end of oil cylinder, and is driven to run up and down by oil cylinder;Knife body is arranged on slide block seat, and cuts off the workpiece formed in flow channel from cutting off structure casting port during the up-and-down operation of slide block seat.

[0011] Further, breaking off groove is arranged at the breaking off structure of faceplate, and faceplate and fixed mold are separated during mold opening, and tool is broken off from breaking off structure casting port under the action of breaking off groove.

[0012] Further, the mold of the gating structure can be provided as a multi-cavity structure, i.e. the gating structure on the left and right sides of the cutting structure is provided as a group, and multiple groups of parallel gating structures are provided, and multiple same workpieces can be produced by one-time gating.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The multi-cavity center gating structure of the application sets the cutting structure and the breaking structure together, simultaneously performs the cutting and breaking demolding work in the mold opening process, reduces the abnormal rate, improves the demolding efficiency, and has a simpler structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The figure is a structural schematic diagram of the utility model;

[0016] Figure 2 The figure is a sectional view of the cutting structure and the breaking structure in the mold closing state;

[0017] Figure 3 The figure is a sectional view of the cutting structure and the breaking structure in the mold opening state.

[0018] In the figure: 1, cutting structure; 2, breaking structure; 3, face plate; 4, fixed mold; 5, cutting structure gating hole; 6, breaking structure gating hole; 7, flow channel; 8, oil cylinder; 9, sliding block seat; 10, cutter body; 11, breaking groove. DETAILED DESCRIPTION

[0019] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious for those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, some technical features known in the art are not described to avoid confusion with the utility model.

[0020] The applicant designs a multi-cavity center gating structure as Figure 1 shown in the figure, which comprises: a cutting structure 1 and a breaking structure 2, the breaking structure 2 is arranged on the left and right sides of the cutting structure 1, and the cutting structure 1 and the breaking structure 2 form a gating structure whole; the gating structure comprises a face plate 3 and a fixed mold 4, and the face plate 3 and the fixed mold 4 form a mold whole in the mold closing state, the face plate 3 is provided with a center gating hole, the center gating hole is divided into a cutting structure 1 gating hole and a breaking structure 2 gating hole, the breaking structure 2 gating hole is arranged on the left and right sides of the cutting structure 1 gating hole, and a flow channel 7 is arranged between the fixed mold 4 and the face plate 3; a cutting assembly is arranged in a groove of the fixed mold 4, and is used for cutting the workpiece formed by pressure casting in the flow channel 7 from the cutting structure 1 gating hole.

[0021] The multi-hole center pouring structure of the embodiment further comprises: an oil cylinder 8 arranged above the fixed mold 4; a slider seat 9 fixedly installed with the operating end of the oil cylinder 8, driven by the oil cylinder 8 to operate up and down; and a cutter body 10 arranged on the slider seat 9, which cuts the formed workpiece in the flow channel 7 from the pouring inlet of the cutting structure 1 during the up and down operation of the slider seat 9.

[0022] The multi-hole center pouring structure of the embodiment further comprises: a pull-off groove 11 arranged at the pull-off structure 2 of the face plate 3, which pulls off the workpiece from the pouring inlet of the pull-off structure 2 under the action of the pull-off groove 11 during the separation of the face plate 3 and the fixed mold 4.

[0023] The multi-hole center pouring structure of the embodiment further comprises: the mold of the pouring structure can be arranged as a one-out multi-hole structure, i.e. the pouring structure of the cutting structure 1 on the left and right sides is arranged as a group, and multiple groups of parallel pouring structures are arranged at the same time, so that multiple same workpieces can be produced by one pouring.

[0024] Working principle: in the clamping state of the present application, pouring is performed at the pouring inlet of the pull-off structure 2 and the pouring inlet of the cutting structure 1, the workpiece is cut off from the pouring inlet of the cutting structure 1 after the formed workpiece in the flow channel 7 is cut off by the up and down operation of the slider seat 9 driven by the oil cylinder 8, the mold is opened, the face plate 3 is separated from the fixed mold 4, the pull-off groove 11 on the face plate 3 drives the workpiece and separates the workpiece from the pouring inlet of the pull-off structure 2, so as to realize demolding.

[0025] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A multi-cavity center gating structure, characterized in that, The application relates to a die-casting structure and a die-casting method. The die-casting structure comprises a cutting structure and a pulling-off structure, the pulling-off structure is arranged on the left and right sides of the cutting structure, and the cutting structure and the pulling-off structure form an integral pouring structure. The pouring structure comprises a face plate and a fixed die, the face plate and the fixed die form an integral die in a closed state, a central pouring port is arranged on the face plate, the central pouring port is divided into a cutting structure pouring port and a pulling-off structure pouring port, two pulling-off structure pouring ports are arranged on the left and right sides of the cutting structure pouring port, and a flow channel is arranged between the fixed die and the face plate. A cutting assembly is arranged in a groove of the fixed die and used for cutting the workpiece formed in the flow channel from the cutting structure pouring port.

2. A multi-cavity central gating structure according to claim 1, wherein, The cutting assembly comprises an oil cylinder arranged above the fixed die, a sliding block seat fixedly installed on the running end of the oil cylinder and driven to run up and down by the oil cylinder, and a cutter arranged on the sliding block seat and used for cutting the workpiece formed in the flow channel from the cutting structure pouring port during the up-and-down running of the sliding block seat.

3. A multi-cavity, central gating structure according to claim 1, wherein, A pulling-off groove is arranged at the pulling-off structure of the face plate, the face plate and the fixed die are separated during mold opening, and the workpiece is pulled off from the pulling-off structure pouring port under the action of the pulling-off groove.

4. A multi-cavity, central gating structure according to claim 1, wherein, The die of the pouring structure can be arranged as a one-out-multiple-hole structure, i.e. the pouring structure of the cutting structure on the left and right sides is arranged as a group, a plurality of groups of parallel pouring structures are arranged at the same time, and a plurality of same workpieces can be produced through one pouring.