Secondary ejection mechanism in special mold

Abstract

The utility model discloses a special in-mold secondary ejection mechanism which comprises a bottom plate, a mold plate is arranged right above the bottom plate, a plurality of guide columns are vertically and fixedly connected between the bottom plate and the mold plate, an ejection plate is vertically and slidably connected to the guide columns, a plurality of first limiting columns are fixedly connected to the top face of the ejection plate, and a plurality of second limiting columns are fixedly connected to the top face of the ejection plate. A plurality of second limiting columns are further fixedly connected to the top face of the ejector plate, the distance between the top ends of the first limiting columns and the bottom face of the mold plate is 32.6 mm, and the distance between the top ends of the second limiting columns and the bottom face of the mold plate is 40.00 mm; according to the utility model, the limiting columns with different heights are arranged to replace a second ejection mechanism plate added in the product in the prior art, and a secondary ejection mechanism is not needed, so that the number of the ejector pins is reduced, the subsequent die repairing cost caused by the clamping of the ejector pins is reduced, the production cost of the secondary ejection mechanism is saved, and the market competitiveness is stronger.

Description

TECHNICAL FIELD

[0001] The utility model relates to a demoulding equipment technical field, concretely is a special secondary ejection mechanism in mould. BACKGROUND

[0002] When using injection mould, the product needs to be ejected after forming, at present, many products have the demand of secondary ejection, the existing structure increases a secondary ejection plate to needle plate, utilizes injection molding machine ejection, first ejects part of product or synchronously ejects to certain position and then secondarily ejects, but this secondary ejection mechanism has the following defects:

[0003] The secondary ejection mechanism of the existing needle plate is easy to cause needle jamming in the production process, and the secondary ejection mechanism of the needle plate increases the cost and reduces the market competitiveness.

[0004] Therefore, the present application provides a special secondary ejection mechanism in mould for solving the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a special secondary ejection mechanism in mould aims at providing a special secondary ejection mechanism in mould to solve the problems in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a special secondary ejection mechanism in mould, including the bottom plate, the bottom plate position is provided with the template on the top, a plurality of guide posts are fixedly connected between the bottom plate and the template, a plurality of the guide posts are vertically slidably connected with the ejection plate, a plurality of first limit posts are fixedly connected to the top surface of the ejection plate, and a plurality of second limit posts are also fixedly connected to the top surface of the ejection plate.

[0007] Preferably, the distance between the top end of the first limit post and the bottom surface of the template is 32.6mm, and the distance between the top end of the second limit post and the bottom surface of the template is 40.00mm.

[0008] Preferably, a plurality of inner cavities are formed in the template, a first column cavity is vertically formed on one end of the top surface of the template, a second column cavity is vertically formed on the other end of the top surface of the template, and the bottom end of the first column cavity and the bottom end of the second column cavity are both communicated with the inner cavity.

[0009] Preferably, a shaft column is horizontally fixedly connected to the middle part of the inner cavity, the shaft column is rotatably sleeved with the middle part of the lifting plate, a vertical column is slidably sleeved in the first column cavity, and a ejector pin is slidably sleeved in the second column cavity.

[0010] Preferably, the bottom end of the vertical column contacts the top surface of one end of the lifting plate, the bottom end of the ejector pin contacts the top surface of the other end of the lifting plate, and a second spring is sleeved on the ejector pin.

[0011] Preferably, the two side support plates are fixed between the two side bottom surfaces of the template and the two side top surfaces of the base plate, and the column is sleeved with the first spring at a position above the ejection plate.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a limit post of different height is set to replace the second ejection mechanism plate added in the prior art product, need not set secondary ejection mechanism, reduce the number of ejector pins, reduce the subsequent repair mold cost because of ejector pin jam, save the production cost of secondary ejection mechanism, and market competitiveness is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the main body structure schematic view in the first and second embodiments of the utility model;

[0015] Figure 2 It is the main body cut structure schematic view in the first and second embodiments of the utility model;

[0016] Figure 3 It is the utility model Figure 2 A place structure amplification structure schematic view in the utility model.

[0017] In the drawing: 1, base plate;2, template;3, guide column;4, ejection plate;5, first spring;6, inner chamber;7, first column cavity;8, second column cavity;9, shaft column;10, warping plate;11, column;12, ejector pin;13, second spring;14, side support plate;15, first limit post;16, second limit post. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0019] Embodiment 1:

[0020] Please refer to Figures 1-2 The utility model provides a kind of technical scheme: a special secondary ejection mechanism in mould, including base plate 1, base plate 1 is set with template 2 in the position above, multiple guide columns 3 are vertically fixed between base plate 1 and template 2, multiple guide columns 3 are vertically slidably connected with ejection plate 4, multiple first limit posts 15 are fixed on the top surface of ejection plate 4, multiple second limit posts 16 are also fixed on the top surface of ejection plate 4, replace the second ejection mechanism plate added in the prior art product by setting limit post of different height.

[0021] Embodiment 2:

[0022] Please refer to Figures 1-3 , the second embodiment of the utility model, this embodiment is based on the last embodiment, the first limiting column 15 top and the template 2 bottom surface between the interval is 32.6mm, the second limiting column 16 top and the template 2 bottom surface between the interval is 40.00mm.

[0023] The template 2 is internally provided with a plurality of cavities 6, a first column cavity 7 is vertically provided at one end of the cavities 6 on the top surface of the template 2, and a second column cavity 8 is vertically provided at the other end of the cavities 6 on the top surface of the template 2, and the bottom ends of the first column cavity 7 and the second column cavity 8 are communicated with the cavities 6.

[0024] An axle column 9 is horizontally fixedly connected in the middle of the cavities 6, the axle column 9 is rotatably sleeved with a lifting plate 10 in the middle, a vertical column 11 is vertically slidably sleeved in the first column cavity 7, and a ejector pin 12 is vertically slidably sleeved in the second column cavity 8.

[0025] The bottom end of the vertical column 11 contacts the top surface of one end of the lifting plate 10, the bottom end of the ejector pin 12 contacts the top surface of the other end of the lifting plate 10, and the ejector pin 12 is sleeved with a second spring 13.

[0026] Two side plates 14 are fixedly connected between the bottom surfaces on both sides of the template 2 and the top surfaces on both sides of the bottom plate 1, and the vertical column 11 is sleeved with a first spring 5 at a position above the ejection plate 4.

[0027] Embodiment 3:

[0028] Please refer to Figures 1-3 , the third embodiment of the utility model, this embodiment is based on the above two embodiments, when the utility model is used, the normal ejector rod of the injection molding machine is used to normally lift the ejection plate 4, after 32.60mm is dropped, the first limiting column 15 contacts the template 2, continues to eject, the template 2 is ejected, the end of the lifting plate 10 moves downward, after 7.4mm is continuously ejected, the secondary ejection of the product is realized, the set requirement is reached, after completion, the second spring 13 and the first spring 5 are used for automatic return; the utility model replaces the second ejection mechanism plate added in the product in the prior art by setting limiting columns with different heights, without setting a secondary ejection mechanism, the number of ejector pins is reduced, the cost of repairing the mold due to the jamming of the ejector pin is reduced, the production cost of the secondary ejection mechanism is saved, and the market competitiveness is stronger.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A special in-mold secondary ejection mechanism, comprising a base plate (1), characterized in that: A template (2) is provided directly above the base plate (1). Multiple guide posts (3) are vertically fixed between the base plate (1) and the template (2). An ejector plate (4) is vertically slidably connected to the multiple guide posts (3). Multiple first limiting posts (15) are fixed to the top surface of the ejector plate (4). Multiple second limiting posts (16) are also fixed to the top surface of the ejector plate (4).

2. The special in-mold secondary ejection mechanism according to claim 1, characterized in that: The distance between the top of the first limiting post (15) and the bottom surface of the template (2) is 32.6 mm, and the distance between the top of the second limiting post (16) and the bottom surface of the template (2) is 40.00 mm.

3. The special in-mold secondary ejection mechanism according to claim 1, characterized in that: The template (2) has multiple cavities (6) inside. The top surface of the template (2) is vertically opened at one end of the cavity (6) to form a first column cavity (7). The top surface of the template (2) is vertically opened at the other end of the cavity (6) to form a second column cavity (8). The bottom ends of the first column cavity (7) and the second column cavity (8) are both connected to the cavity (6).

4. A special in-mold secondary ejection mechanism according to claim 3, characterized in that: The inner cavity (6) is horizontally fixed to the middle of the shaft column (9), the shaft column (9) is rotatably sleeved to the middle of the lifting plate (10), the first column cavity (7) is vertically slidably sleeved to the upright column (11), and the second column cavity (8) is vertically slidably sleeved to the ejector pin (12).

5. A special in-mold secondary ejection mechanism according to claim 4, characterized in that: The bottom end of the column (11) contacts the top surface of one end of the lifting plate (10), the bottom end of the pin (12) contacts the top surface of the other end of the lifting plate (10), and a second spring (13) is sleeved on the pin (12).

6. A special in-mold secondary ejection mechanism according to claim 1, characterized in that: Two side support plates (14) are fixed between the bottom surfaces of both sides of the template (2) and the top surfaces of both sides of the base plate (1). The column (11) is located above the top plate (4) and is fitted with the first spring (5).

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