Special-shaped front mold reverse ejection mechanism
By designing a reverse ejection mechanism for irregularly shaped front molds, and utilizing the combination of reverse ejection guide blocks and springs, the problem of ejection limitations for complex curved surface products was solved, achieving efficient product demolding and quality assurance.
Patent Information
- Application Number
- CN202520071601.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing front molds have limitations in ejection operations when processing complex curved surface products, resulting in poor adaptability and reduced work efficiency.
A reverse ejection mechanism for irregular front molds was designed, including a reverse ejection guide block, an ejector pin, and a spring. The ejector pin's movement is achieved through the compression and release of the spring, adapting to the ejection requirements of complex products.
It enables balanced ejection of complex curved surface products, improves production efficiency and product quality, has strong adaptability, and saves space.
Smart Images
Figure CN223735552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mould structure especially to a special-shaped front mould reverse top ejection mechanism. BACKGROUND
[0002] The mould is a tool for making a shaped article, the tool is composed of various parts, and different moulds are composed of different parts; in order to ensure the quality of products and processing effect during use and production, the product needs to be ejected.
[0003] In the prior art, the front mould has limitations in ejection when processing a curved surface modeling product with scattered and complex features. In the existing front mould, the reverse top needle and the ejector pin are fixed on the reverse top needle plate at the same time, this structure is suitable for single product modeling, has poor adaptability and reduces work efficiency. UTILITY MODEL CONTENT
[0004] The utility model provides a special-shaped front mould reverse top ejection mechanism with simple structure and improved reliability in view of the above problems.
[0005] The technical scheme of the utility model is as follows: a special-shaped front mould reverse top ejection mechanism, comprising a front mould assembly and a rear mould assembly, the front mould assembly comprises an A plate and a front mould kernel arranged on the A plate, the rear mould assembly comprises a B plate and a rear mould kernel arranged on the B plate, and a cavity is arranged between the front mould kernel and the rear mould kernel;
[0006] Further comprising a reverse top guide block and an ejector pin, the reverse top guide block is T-shaped, the ejector pin is connected to the horizontal section of the reverse top guide block, the ejector pin is parallel to the vertical section of the reverse top guide block,
[0007] A containing cavity is arranged between the front mould kernel and the A plate, the horizontal section of the reverse top guide block is movably arranged in the containing cavity,
[0008] A guide hole and a through hole are arranged on the front mould kernel and communicate with the containing cavity, the vertical section of the reverse top guide block is movably arranged in the guide hole, the ejector pin is movably arranged in the through hole, and the through hole communicates with the cavity.
[0009] Further comprising a spring, the spring is arranged in the containing cavity, and the spring is located between the horizontal section of the reverse top guide block and the A plate.
[0010] The spring comprises at least two.
[0011] The ejector pin has two, and the two ejector pins are located on the two sides of the vertical section of the reverse top guide block.
[0012] A T-shaped positioning hole is arranged on the horizontal section of the reverse top guide block, the ejector pin is T-shaped, and the ejector pin is adaptively arranged in the positioning hole.
[0013] The utility model discloses after opening mould, A plate and B plate are separated, under the spring action force, the counter -top guide block drives the thimble downward movement, when counter -top guide block reaches the former mould kernel lower limit plane, former mould part product is all jacked out, realizes stripping.
[0014] When closing mould, the rear mould kernel parting surface and counter -top guide block end face first contact, and promote counter -top guide block to continue upward movement, at this time, counter -top guide block and thimble are upward movement simultaneously, and spring is compressed.
[0015] The utility model discloses through spring compression counter -top guide block, and thimble directly jacks out product, and convenient processing, adaptation complex product processing, guarantee product quality. DRAWINGS
[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will be to the specific embodiment or prior art description needed to use the drawing briefly introduced. In the drawing, each part is not necessarily drawn according to actual proportion.
[0017] Fig. 1 It is the structural schematic diagram of the utility model (open mould state),
[0018] Fig. 2 It is the connecting structure schematic diagram of former mould kernel and A plate,
[0019] Fig. 3 It is the closing mould state schematic diagram of the utility model;
[0020] In the drawing, 1 is A plate, 2 is B plate, 3 is former mould kernel, 31 is guide hole, 32 is perforation, 4 is rear mould kernel, 5 is spring, 6 is counter -top guide block, 7 is thimble, 8 is product, 9 is lower limit plane, 10 is upper limit plane, 11 is accommodating cavity, 12 is positioning hole. Specific embodiments
[0021] The following will be to the embodiment of the utility model in detail, the example of the embodiment is shown in the drawing, wherein the same or similar label indicates the same or similar element or element with the same or similar function throughout. The embodiment described below by referring to the drawing is exemplary, is only used to explain the utility model, and can not be understood as the limitation of the utility model.
[0022] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0023] In the description of the utility model, it needs to be understood that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] The utility model discloses Figs. 1-3 As shown in the figure, the special-shaped front die reverse top ejection mechanism comprises a front die assembly and a rear die assembly, the front die assembly comprises an A plate 1 and a front die kernel 3 arranged on the A plate, the rear die assembly comprises a B plate 2 and a rear die kernel 4 arranged on the B plate, and a cavity (i.e. for forming a product 8) is arranged between the front die kernel and the rear die kernel.
[0025] It also comprises a reverse top guide block 6 and a ejector pin 7, the reverse top guide block 6 is T-shaped, the ejector pin 7 is connected to the horizontal section of the reverse top guide block, the ejector pin 7 is parallel to the vertical section of the reverse top guide block,
[0026] A containing cavity 11 is arranged between the front die kernel 3 and the A plate 1, the horizontal section of the reverse top guide block is movably arranged in the containing cavity,
[0027] A guide hole 31 and a perforation 32 that communicate with the containing cavity are arranged on the front die kernel 3, the vertical section of the reverse top guide block is movably arranged in the guide hole 31, the ejector pin is movably arranged in the perforation 32, and the perforation communicates with the cavity.
[0028] After the mold is opened, the A plate and the B plate are separated, under the action of the spring force, the reverse top guide block drives the ejector pin to move downward, when the reverse top guide block reaches the lower limit plane 9 of the front die kernel, the front die part product 8 is completely ejected, and demolding is realized. The lower limit plane 9 and the upper limit plane 10 are the bottom surface and the top surface of the containing cavity respectively.
[0029] When the mold is closed, the parting surface of the back mold core first contacts the end face of the reverse top guide block, and pushes the reverse top guide block to continue upward movement, at this time, the reverse top guide block and the ejector pin move upward at the same time, and the spring is compressed.
[0030] Further comprising a spring 5, which is arranged in the accommodating cavity 11, and is located between the horizontal section of the reverse top guide block 6 and the A plate 1.
[0031] By arranging the spring, the elastic action of the reverse top guide block is facilitated.
[0032] The spring 5 comprises at least two.
[0033] The number can be selected according to actual use requirements.
[0034] The ejector pin 7 has two, and the two ejector pins are located on the two sides of the vertical section of the reverse top guide block.
[0035] The arrangement of two ejector pins corresponds to the processing of two products, so that the processing quantity is improved.
[0036] The horizontal section of the reverse top guide block is provided with a T-shaped positioning hole 12, and the ejector pin is T-shaped and is arranged in the positioning hole in a matched mode.
[0037] By arranging the T-shaped positioning hole and the T-shaped ejector pin, the disassembly and assembly are facilitated.
[0038] For the processing of the complex curved surface modeling product with scattered features, the product is evenly ejected, the demolding is stable, the space is saved, the product quality is ensured, and the production efficiency is improved.
[0039] For the content disclosed in the present case, the following points need to be explained:
[0040] (1) The embodiment disclosed in the present case only relates to the structure involved in the embodiment disclosed in the present case, and other structures can be referred to the general design.
[0041] (2) In the case of no conflict, the embodiments disclosed in the present case and the features in the embodiments can be combined to obtain new embodiments.
[0042] The above is only a specific embodiment disclosed in the present case, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present disclosure should be subject to the protection scope of the claims.
Claims
1. A reverse ejector mechanism for a profiled front mold, comprising a front mold assembly and a back mold assembly, the front mold assembly comprising an A plate and a front mold core arranged on the A plate, the back mold assembly comprising a B plate and a back mold core arranged on the B plate, and a cavity being arranged between the front mold core and the back mold core; further comprising a reverse ejector guide block and a ejector pin, the reverse ejector guide block being in a T shape, the ejector pin being connected to a horizontal segment of the reverse ejector guide block, the ejector pin being parallel to a vertical segment of the reverse ejector guide block, a receiving cavity being arranged between the front mold core and the A plate, the horizontal segment of the reverse ejector guide block being movably arranged in the receiving cavity, a guide hole and a through hole being arranged on the front mold core and being in communication with the receiving cavity, the vertical segment of the reverse ejector guide block being movably arranged in the guide hole, the ejector pin being movably arranged in the through hole, the through hole being in communication with the cavity. characterized in that Further comprising a spring, the spring being arranged in the receiving cavity, the spring being located between the horizontal segment of the reverse ejector guide block and the A plate. The spring comprises at least two. The ejector pin comprises two, the two ejector pins being located on two sides of the vertical segment of the reverse ejector guide block.
2. The profiled front die reverse knockout mechanism according to claim 1, wherein, A T-shaped positioning hole is arranged on the horizontal segment of the reverse ejector guide block, the ejector pin is in a T shape, and the ejector pin is adaptively arranged in the positioning hole.
3. The profiled front die reverse knockout mechanism according to claim 2, wherein, 4. The profiled front die reverse knockout mechanism according to claim 1, wherein, 5. The profiled front die reverse knockout mechanism according to claim 1, wherein,