Mould sliding block dragging inclined ejector mechanism

By designing the mold slider towing the inclined top mechanism, and using the cooperation of the cylinder assembly and the inclined top assembly, the problem that the existing mold cannot be successfully demolded under the conventional structure is solved, and the smooth inverting and molding of plastic parts is achieved, and the production efficiency and product quality are improved.

CN222538222UActive Publication Date: 2025-02-28LEPID AUTO PARTS (TIANJIN) CO LTD
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Patent Information

Application Number
CN202421133095.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-02-28
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

When the existing mold adopts a conventional structure, it is impossible to achieve smooth mold release of parts, especially when adjacent inverters are provided on one side of the product.

Method used

A mold slider dragging oblique top mechanism is designed, including a cylinder assembly, oblique top assembly, an inverted molded slider and a limit guide block. The cylinder assembly drives the inverted slide movement, and combined with the design of the inclined top assembly, the inverted plastic parts and smooth mold output are achieved.

Benefits of technology

This design effectively solves the problem that the mold cannot be successfully demolded under conventional structures, ensures smooth inverting and molding of plastic parts, and improves production efficiency and product quality.

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Abstract

The utility model relates to the technical field of dies, and provides a die sliding block dragging inclined ejection mechanism, which comprises a die holder matched with the die sliding block dragging inclined ejection mechanism for use, and the die sliding block dragging inclined ejection mechanism comprises an oil cylinder assembly, an inclined ejection assembly, a back-off forming sliding block and a limiting guide block, the oil cylinder assemblies are fixedly connected with the mold base, the output ends of the oil cylinder assemblies are connected with the inverted buckle forming sliding blocks, the inverted buckle forming sliding blocks are connected with the inclined ejection assemblies in a sliding fit mode, and the inverted buckle forming sliding blocks and the inclined ejection assemblies are used for forming inverted buckles of plastic parts. According to the utility model, the structure is reasonable, the use is convenient, through the arrangement of the angle ejector assembly, the angle ejector assembly can move downwards when the back-off molding slide block retreats, and further, the back-off mold stripping can be ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold slider dragging and tilting ejection mechanism. Background Art

[0002] With the development of the automobile industry, consumers have higher and higher requirements for the aesthetics and driving experience of automobiles. Due to the limited space, the design space of product parts is squeezed, making the structure of individual parts complicated.

[0003] As disclosed in application number: CN202010324569.9, an undercut demolding structure comprises: a slider body, a molding cavity is provided on one side along the Y direction; an inclined guide column, which moves along the inclined guide column hole to drive the slider body to move along the Y direction when opening and closing the mold; a shovel base, a first sliding surface is provided on one side adjacent to the slider body; an inclined top seat, a second sliding surface matching the first sliding surface is provided on one side adjacent to the shovel base; an inclined top, one end of which is slidably connected with the inclined top seat along the X direction, and the other end is provided with an undercut molding block extending along the X direction. When opening the mold, the inclined guide column drives the sliding body to move along the Y direction, and the inclined top moves relative to the inclined top seat along the X direction to release the undercut molding block from the product, the first sliding surface is separated from the second sliding surface, and the slider body, the inclined top and the inclined top seat move along the Y direction to complete the demolding.

[0004] One side of the existing product is provided with adjacent undercuts, and the mold cannot realize smooth demoulding of the part when the conventional structure is adopted. Utility Model Content

[0005] In order to solve the problem that adjacent undercuts are arranged on one side of the existing product and the mold cannot realize smooth demoulding of parts when adopting a conventional structure, the utility model provides a mold slider dragging inclined ejection mechanism to solve the problem.

[0006] In order to achieve the above object, the utility model provides the following technical solutions:

[0007] The mold slider dragging and tilting ejection mechanism includes a mold base when used in conjunction with the mold slider dragging and tilting ejection mechanism, the mold slider dragging and tilting ejection mechanism includes: a cylinder assembly, a tilting ejection assembly, an undercut molding slider and a limiting guide block, the cylinder assembly, the tilting ejection assembly and the undercut molding slider are arranged in two groups, the cylinder assembly is fixedly connected to the mold base, the output end of the cylinder assembly is connected to the undercut molding slider, the undercut molding slider is slidably connected to the tilting ejection assembly, the undercut molding slider and the tilting ejection assembly are used for undercut molding of plastic parts, the limiting guide block is fixedly installed on the mold base, and the undercut molding slider is slidably connected to the limiting guide block.

[0008] Preferably, the cylinder assembly comprises: a cylinder and a cylinder mounting seat, wherein the cylinder mounting seat is fixedly mounted on one side of the mold base, the cylinder is fixedly mounted on the cylinder mounting seat, the cylinder output end is fixedly connected to the undercut forming slider, and the inclined top assembly is fixedly connected to the cylinder mounting seat.

[0009] Preferably, the inclined top assembly comprises: an inclined top slide and an inclined top, the inclined top slide is fixedly connected to the cylinder mounting seat, one end of the inclined top is slidably connected to the inclined top slide, and the other end of the inclined top extends into the undercut molding slide to mold the plastic part undercut.

[0010] Preferably, the inclined top includes: an inverted symbol-shaped head, a rod portion and a sliding portion, wherein the inverted symbol-shaped head, the rod portion and the sliding portion are an integrated structure, the sliding portion is slidably connected to the inclined top slide seat, the sliding portion is connected to the inverted symbol-shaped head through the rod portion, and the inverted symbol-shaped head is used to form the inverted plastic part.

[0011] Preferably, a water pipe clearance hole is provided on the side of the undercut forming slide block that is slidably fitted with the mold base, and a water pipe is provided in the water pipe clearance hole.

[0012] Preferably, an anti-collision block is provided on one side of the undercut forming slide block close to the inclined top slide seat, the anti-collision block is fixedly mounted on the undercut forming slide block, and a clearance hole of the inclined top is provided on the anti-collision block.

[0013] Preferably, the undercut molding slider comprises: an undercut molding slider body, a cylinder connecting part and an undercut symbol area, wherein the undercut molding slider body, the cylinder connecting part and the undercut symbol area are an integrated structure, the undercut molding slider body is slidably connected to the mold base, the cylinder connecting part is fixedly connected to the cylinder, and the undercut symbol area is used to undercut the plastic part.

[0014] The advantages of the utility model are as follows: the utility model can drive the undercut forming slider to move along the limit guide block by arranging the oil cylinder assembly, and can move downward when the undercut forming slider retreats by arranging the inclined top assembly, thereby ensuring the undercut demoulding, and can form the undercut of the plastic part by arranging the inclined top assembly and the undercut forming slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the mold slider dragging inclined top mechanism of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the oil cylinder assembly and the inclined top assembly of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the utility model inclined roof;

[0020] Figure 5 This is a structural schematic diagram of the utility model of the undercut forming slider at angle 1;

[0021] Figure 6 It is a structural schematic diagram of the utility model of the undercut forming slider angle 2.

[0022] Description of reference numerals:

[0023] 1. Die base; 2. Cylinder assembly; 3. Slant top assembly; 4. Undercut molding slider; 5. Limit guide block; 6. Plastic undercut; 21. Cylinder; 22. Cylinder mounting seat; 31. Slant top slide; 32. Slant top; 321. Undercut symbol head; 322. Rod; 323. Sliding part; 41. Water pipe; 42. Anti-collision block; 43. Make room for holes; 44. Undercut molding slider body; 45. Cylinder connecting part; 46. Undercut symbol area. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0027] Embodiment 1, combined with Figure 1 , Figure 2 and Figure 3 To explain:

[0028] The mold slider dragging and tilting lift mechanism includes a mold base 1 used in conjunction with the mold slider dragging and tilting lift mechanism, and the mold slider dragging and tilting lift mechanism includes: a cylinder assembly 2, a tilting lift assembly 3, an undercut forming slider 4 and a limiting guide block 5. The cylinder assembly 2, the tilting lift assembly 3 and the undercut forming slider 4 are arranged in two groups, and the cylinder assembly 2, the tilting lift assembly 3 and the undercut forming slider 4 are adjacently arranged for forming adjacent undercuts.

[0029] The cylinder assembly 2 is fixedly connected to the die base 1, the output end of the cylinder assembly 2 is connected to the undercut molding slider 4, the undercut molding slider 4 is slidably connected to the inclined top assembly 3, the undercut molding slider 4 and the inclined top assembly 3 are used to form the undercut 6 of the plastic part, the limiting guide block 5 is fixedly installed on the die base 1, and the limiting guide block 5 is provided with three groups, which are respectively used to correspond to adjacent undercut molding sliders 4, and the undercut molding slider 4 is slidably connected to the limiting guide block 5.

[0030] By setting the cylinder assembly 2, the undercut molding slide block 4 can be driven to move along the limiting guide block 5. By setting the inclined top assembly 3, when the undercut molding slide block 4 retreats, the inclined top assembly 3 can move downward, thereby ensuring that the plastic part undercut 6 is ejected from the mold. By setting the inclined top assembly 3 and the undercut molding slide block 4, the plastic part undercut 6 can be molded.

[0031] Embodiment 2, based on embodiment 1, combined with Figure 4 Line Description:

[0032] The cylinder assembly 2 includes: a cylinder 21 and a cylinder mounting seat 22, wherein the cylinder mounting seat 22 is fixedly mounted on one side of the mold base 1 by screws, the cylinder 21 is fixedly mounted on the cylinder mounting seat 22 by screws, the output end of the cylinder 21 is fixedly connected to the undercut forming slider 4, and the inclined top assembly 3 is fixedly connected to the cylinder mounting seat 22.

[0033] The inclined top assembly 3 includes: an inclined top slide 31 and an inclined top 32. The inclined top slide 31 is fixedly connected to the cylinder mounting seat 22 by screws. One end of the inclined top 32 is slidably connected to the inclined top slide 31, and the other end of the inclined top 32 extends into the undercut molding slider 4 to mold the plastic part undercut 6.

[0034] When in use, the undercut molding slide block 4 can drive the inclined top 32 to move along the inclined top slide seat 31, so as to realize the demoulding of the plastic part undercut 6. The oil cylinder 21 is used to drive the undercut molding slide block 4 to move.

[0035] Embodiment 3, based on embodiment 2, combined with Figure 5 Line Description:

[0036] The inclined top 32 includes: an inverted symbol head 321, a rod 322 and a sliding part 323. The inverted symbol head 321, the rod 322 and the sliding part 323 are an integrated structure. The sliding part 323 is slidably connected to the inclined top slide 31. The sliding part 323 is connected to the inverted symbol head 321 through the rod 322. The inverted symbol head 321 is used to mold the plastic part undercut 6.

[0037] Embodiment 4, based on embodiment 3, combined with Figure 6 Line Description:

[0038] The side of the undercut molding slide block 4 that is slidably fitted with the mold base 1 is provided with a water pipe hole, and the water pipe hole is provided with a water pipe 41. By providing the water pipe 41, the undercut molding slide block 4 can be cooled when the undercut molding slide block 4 is working.

[0039] The undercut forming slider 4 is provided with an anti-collision block 42 on one side close to the inclined top slide seat 31. The anti-collision block 42 is fixedly mounted on the undercut forming slider 4 by screws, and a clearance hole 43 for the inclined top 32 is provided on the anti-collision block 42. The anti-collision block 42 can prevent the inclined top assembly 3 from colliding with the undercut forming slider 4, and the anti-collision block 42 can be easily replaced after being damaged, thereby reducing the maintenance cost.

[0040] The undercut molding slider 4 includes: an undercut molding slider body 44, a cylinder connecting part 45 and an undercut symbol area 46. The undercut molding slider body 44, the cylinder connecting part 45 and the undercut symbol area 46 are an integrated structure. The undercut molding slider body 44 is slidably connected to the mold base 1, the cylinder connecting part 45 is fixedly connected to the cylinder 21 by screws, and the undercut symbol area 46 is used to mold the undercut 6 of the plastic part.

[0041] In this configuration, the undercut profile area 46 is used to shape the undercut, and the cylinder connection portion 45 is used to transmit the force of the cylinder 21 .

[0042] Working principle of the utility model: when the utility model is in use, the front end of the oil cylinder 21 pushes the undercut molding slider body 44 toward the plastic part undercut 6 to form the plastic part undercut 6, and then the oil cylinder 21 is reset, and the undercut molding slider body 44 moves toward one side of the oil cylinder 21, and at the same time, the sliding hole extrusion rod 322 opened on the undercut molding slider body 44 makes the undercut symbol head 321 move downward, that is, the rod 322 moves along the slide groove direction in the inclined top slide seat 31, so that the undercut symbol head 321 is disengaged from the plastic part undercut 6, thereby facilitating the plastic part undercut 6 to be demolded. The utility model has a reasonable structure and is easy to use. By arranging the inclined top assembly 3, the inclined top assembly 3 can move downward when the undercut molding slider 4 retreats, thereby ensuring that the plastic part undercut 6 is demolded.

[0043] For those skilled in the art, the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the present invention should be included in the protection scope of the technical solution of the present invention.

Claims

1. A mold slider dragging and tilting mechanism, comprising a mold base (1) used in conjunction with the mold slider dragging and tilting mechanism, characterized in that: The mold slider dragging tilting mechanism comprises: a cylinder assembly (2), a tilting assembly (3), an undercut molding slider (4) and a limiting guide block (5); the cylinder assembly (2), the tilting assembly (3) and the undercut molding slider (4) are arranged in two groups; the cylinder assembly (2) is fixedly connected to the mold base (1); the output end of the cylinder assembly (2) is connected to the undercut molding slider (4); the undercut molding slider (4) is slidably connected to the tilting assembly (3); the undercut molding slider (4) and the tilting assembly (3) are used for molding the undercut (6) of the plastic part; the limiting guide block (5) is fixedly installed on the mold base (1); the undercut molding slider (4) is slidably connected to the limiting guide block (5).

2. The mold slider dragging and tilting mechanism according to claim 1 is characterized in that: The oil cylinder assembly (2) comprises: an oil cylinder (21) and an oil cylinder mounting seat (22); the oil cylinder mounting seat (22) is fixedly mounted on one side of the mold base (1); the oil cylinder (21) is fixedly mounted on the oil cylinder mounting seat (22); the output end of the oil cylinder (21) is fixedly connected to the undercut molding slider (4); and the inclined ejector assembly (3) is fixedly connected to the oil cylinder mounting seat (22).

3. The mold slider dragging and tilting mechanism according to claim 2, characterized in that: The inclined top assembly (3) comprises: an inclined top slide (31) and an inclined top (32); the inclined top slide (31) is fixedly connected to the oil cylinder mounting seat (22); one end of the inclined top (32) is slidably connected to the inclined top slide (31); and the other end of the inclined top (32) extends into the undercut molding slider (4) to mold the plastic part undercut (6).

4. The mold slider dragging and tilting mechanism according to claim 3, characterized in that: The inclined top (32) comprises: an inverted symbol-shaped head (321), a rod (322) and a sliding part (323); the inverted symbol-shaped head (321), the rod (322) and the sliding part (323) are an integrated structure; the sliding part (323) is slidably connected to the inclined top sliding seat (31); the sliding part (323) is connected to the inverted symbol-shaped head (321) through the rod (322); and the inverted symbol-shaped head (321) is used to form the inverted button (6) of the plastic part.

5. The mold slider dragging and tilting mechanism according to claim 3, characterized in that: A water pipe clearance hole is arranged on the side of the undercut forming slide block (4) that is slidably fitted with the mold base (1), and a water pipe (41) is arranged in the water pipe clearance hole.

6. The mold slider dragging and tilting mechanism according to claim 3, characterized in that: An anti-collision block (42) is arranged on one side of the undercut forming slide block (4) close to the inclined top slide seat (31); the anti-collision block (42) is fixedly mounted on the undercut forming slide block (4); and a clearance hole (43) of the inclined top (32) is arranged on the anti-collision block (42).

7. The mold slider dragging and tilting mechanism according to claim 3, characterized in that: The undercut molding slider (4) comprises: an undercut molding slider body (44), a cylinder connecting part (45) and an undercut symbol area (46); the undercut molding slider body (44), the cylinder connecting part (45) and the undercut symbol area (46) are an integrated structure; the undercut molding slider body (44) is slidably connected to the mold base (1); the cylinder connecting part (45) is fixedly connected to the cylinder (21); and the undercut symbol area (46) is used to mold the undercut (6) of the plastic part.

Citation Information

Patent Citations

  • Inverted demoulding structure

    CN111391253A