Pull block guide rail replacement and simplification structure of automobile bumper injection mold

Abstract

The utility model relates to the technical field of automobile part production, and particularly discloses a pull block guide rail replacement and simplification structure of an automobile bumper injection mold, which comprises a pull block rod (1), an ejection round rod (2), a large inclined ejector (3), a push plate (4), a pull block (5), a large inclined ejector rod (6) and a large inclined ejector seat (7). The workload of processing and matching the die is greatly reduced, the cost is saved, the action is safe and reliable, the effect is ideal, and durability is realized.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts manufacturing technology, and in particular to the replacement and simplification of the structure of the pull block guide rail for automotive bumper injection molds. Background Technology

[0002] In the injection molds for car bumpers, the existing technology uses a conventional pull block and pull block guide structure, which is often used when the pull block does not need to deform in the stretching direction, while the pull block guide only moves linearly up and down (this situation is quite common when the pull block moves partially during part removal from the front mold). However, due to mold space constraints, some mechanism positions cannot be designed with pull block guides, or the cavity where the pull block guide is fixed on the mold frame is large, affecting the mold strength. In these cases, this conventional pull block guide structure cannot meet the design requirements, thus becoming a technical challenge. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a simplified and alternative structure for the pull block guide rail in automotive bumper injection molds.

[0004] The technical solution adopted in this utility model is as follows:

[0005] A simplified and alternative structure for a pull block guide rail in an automotive bumper injection mold includes a pull block rod, an ejector rod, a large inclined ejector, a push plate, a pull block, a large inclined ejector rod, and a large inclined ejector seat. The ejector rod and the large inclined ejector seat are both fixed to the push plate. The large inclined ejector rod is movably mounted in a slanted sleeve on the moving mold fixing plate, with its upper end connected to the large inclined ejector and its lower end connected to the large inclined ejector seat. The large inclined ejector has a pull block rod hole, and the pull block rod is movably mounted in the pull block rod hole of the large inclined ejector. The upper end of the ejector rod is connected to the end of the pull block rod, and its lower end is fixedly connected to the push plate.

[0006] This utility model of automotive bumper injection mold pull block guide rail replaces and simplifies the structure. The design is scientific and novel, the structure is simple and compact, greatly reduces the workload of processing and mold matching, saves costs, is safe and reliable, has ideal effect, and is durable. Attached Figure Description

[0007] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0008] Figure 1 A three-dimensional schematic diagram of the pull block guide rail for existing automotive bumper injection molds;

[0009] Figure 2 This is a schematic diagram of the guide rail for the pull block of an existing automotive bumper injection mold.

[0010] Figure 3 A three-dimensional schematic diagram illustrating the replacement and simplification of the pull block guide rail structure for the injection mold of the automobile bumper according to this utility model;

[0011] Figure 4 A schematic diagram showing the replacement and simplification of the pull block guide rail structure for the injection mold of the automobile bumper according to this utility model;

[0012] In the diagram: 1-Pull block rod; 2-Ejector round rod; 3-Large inclined ejector; 4-Push plate; 5-Pull block; 6-Large inclined ejector rod; 7-Large inclined ejector seat; 8-Guide rail. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described below are merely illustrative of this utility model. Key terms that need attention in these descriptions, including "ejecting round rod," "linear up-and-down movement," "lateral movement," "height direction movement," and "relative stillness," are only for the purpose of facilitating and simplifying the description of this utility model, and therefore should not be construed as limiting this utility model.

[0014] See Figures 1-2 As shown, in the conventional automotive bumper injection mold pull block guide rail structure, the guide rail 8 and the pull block rod 1 are respectively provided with corresponding guide rails and guide grooves connected to each other. The guide rail 8 is fixed on the moving mold fixing plate. The pull block rod 1 is movably fitted in the pull block rod hole of the large inclined ejector 3, and its head end is also fixedly connected to the pull block 5, and can move linearly up and down along the guide rail 8. The large inclined ejector rod 6 is movably fitted in the inclined sleeve on the moving mold fixing plate, with its upper end connected to the large inclined ejector 3 and its lower end connected to the large inclined ejector seat 7. During demolding, the large inclined ejector seat 7 is ejected, and the large inclined ejector rod 6, along with the large inclined ejector seat 7, obliquely ejects the large inclined ejector 3 and the injection molded part.

[0015] See Figures 3-4 As shown, this utility model of an automotive bumper injection mold pull block guide rail replaces and simplifies the existing structure, instead of using the conventional pull block and pull block guide rail structure. It includes a pull block rod 1, an ejector rod 2, a large inclined ejector 3, a push plate 4, a pull block 5, a large inclined ejector rod 6, and a large inclined ejector seat 7. The ejector rod 2 and the large inclined ejector seat 7 are both fixed to the push plate 4. The large inclined ejector rod 6 is movably mounted in a slanted sleeve on the moving mold fixing plate, with its upper end connected to the large inclined ejector 3 and its lower end connected to the large inclined ejector seat 7. The large inclined ejector 3 has a pull block rod hole, and the pull block rod 1 is movably mounted in the pull block rod hole of the large inclined ejector 3. The upper end of the ejector rod 2 is connected to the end of the pull block rod 1, and its lower end is fixedly connected to the push plate 4.

[0016] When the mold is opened and demolded, as the large inclined ejector seat 7 of the mold pushes upward, under the action of the large inclined ejector seat 7 and the large inclined ejector rod 6, the large inclined ejector 3 moves to the right as a conventional inclined ejector ( Figure 4 (As shown) The ejector rod 2 and the pull block rod 1 remain relatively stationary, so the pull block 5 can only move vertically and cannot move laterally. This achieves the same linear up-and-down movement as the conventional pull block rod 1 along the guide rail 8. This structure is compact, effective, and greatly reduces the workload of machining and mold assembly. It is stable and reliable in actual production and has been fully verified.

[0017] The above description is only a general embodiment of this utility model. For those skilled in the art, there are various other embodiments with modifications and variations, which will not be elaborated here. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model are included within the protection scope claimed by this utility model.

Claims

1. A car bumper injection mold pull block guide rail alternative and simplified structure, comprising a pull block rod (1), an ejection round rod (2), a large inclined ejection (3), a push plate (4), a pull block (5), a large inclined ejection rod (6) and a large inclined ejection inclined ejection seat (7), characterized in that, The ejection round bar (2) and the big inclined ejection seat (7) are fixed on the push plate (4), the big inclined ejection bar (6) is sleeved and installed in the inclined sleeve on the movable mold fixed plate, the upper end is connected with the big inclined ejection (3), the lower end is connected with the big inclined ejection seat (7), the big inclined ejection (3) is provided with a pull block bar hole, the pull block bar (1) is sleeved in the pull block bar hole of the big inclined ejection (3), the upper end of the ejection round bar (2) is connected with the end of the pull block bar (1), and the lower end is fixedly connected with the push plate (4).

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