CN101870157B - Automatic demoulding device - Google Patents

Abstract

The invention discloses an automatic demoulding device, which comprises a movable mould, wherein the upper part of the movable mould is provided with a first positioning column and a second positioning column, a rotary bracket is sleeved on the first positioning column and the second positioning column, a first group of mould cores are arranged on one side wall of the rotary bracket, a second group of mould cores are arranged on the other side wall of the rotary bracket, one end of the rotary bracket is provided with a first guide column, the other end of the rotary bracket is provided with a second guide column, one ends of the first guide column and the second guide column and the first group of mould cores are sleeved with a first push plate, one ends of the first guide column and the second group of mould cores are sleeved with a second push plate, the top of one side of the movable mould is provided with a first driving device, the top of the other side of the movable mould is provided with a second driving device, the first driving device and the second driving device are in transmission connection, the upper end of the telescopic rotating shaft is fixedly connected with the rotating bracket. The whole demolding process is automatically completed, manual operation is not needed, and the production rate and the qualification rate of products can be effectively improved.

Description

Automatic demoulding device

technical field

The invention relates to an automatic demoulding device for an injection molding machine, more specifically, relates to an automatic demoulding device for an injection molding machine to automatically demould a product after injection molding.

Background technique

Traditionally used to produce full-enclosed hollow products, semi-automatic operation is adopted after molding in the mold, that is, after the product is formed, a section of the core is ejected through the ejector device, and then the product on the core is manually taken out. Manual operation is required, resulting in low productivity, and it is easy to cause product damage during the process of manually taking out the product, which reduces the pass rate of the product. In addition, the traditional injection molding machine used to produce cylindrical products uses a single mold core for production, which also causes An important reason for low productivity, so it is necessary to improve the traditional mold to improve product productivity, pass rate, and better meet the needs of users.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned defects in the prior art, and provide an automatic demoulding device that is easy to use, can automatically demould, and can effectively improve product productivity and pass rate.

In order to achieve the above object, the technical solution provided by the present invention is as follows: an automatic demoulding device is provided, which includes a moving mold, and also includes a first positioning column and a second positioning column arranged on the upper part of the moving mold, the first positioning column, the second positioning column A rotating bracket is set on the positioning column, a first group of mold cores is installed on one side wall of the rotating bracket, a second group of mold cores is installed on the other side wall of the rotating bracket, and a second group of mold cores is installed on one end of the rotating bracket. A guide post, the other end of the rotating bracket is equipped with a second guide post, the first guide post, one end of the second guide post and the first group of mold cores are covered with a first push plate, the first guide post The column, one end of the second guide column and the second group of mold cores are provided with a second push plate, the top of one side of the movable mold is equipped with a first driving device, and the top of the other side of the movable mold is equipped with a second driving device. The first driving device and the second driving device are connected in transmission with the first push plate and the second push plate. A telescopic rotating shaft is also installed on the movable mold, and the upper end of the telescopic rotating shaft is fixedly connected with the rotating bracket.

The beneficial effect of the automatic demoulding device of the present invention is: through the first positioning column and the second positioning column on the upper part of the movable mold, the first positioning column and the second positioning column are sleeved with a rotating bracket, and the rotating bracket The first set of mold cores is installed on one side wall, the second set of mold cores is installed on the other side wall of the rotating bracket, the first guide column is installed on one end of the rotating bracket, and the second set of mold cores is installed on the other end of the rotating bracket Two guide pillars, the first guide pillar, one end of the second guide pillar and the first set of mold cores are covered with a first push plate, the first guide pillar, one end of the second guide pillar and the second set of mold cores The core is covered with a second push plate, the top of one side of the movable mold is equipped with a first drive device, and the top of the other side of the movable mold is equipped with a second drive device, the first drive device, the second drive device and the first pusher Plate and the second push plate are connected by transmission. The movable mold is also equipped with a telescopic rotating shaft. The upper end of the telescopic rotating shaft is fixedly connected with the rotating bracket. The driving device pushes the first push plate to move downward, so that the products on the first group of mold cores fall off automatically. After the products on the first group of mold cores fall off automatically, the first push plate is pulled by the first driving device and the second driving device Down reset, the telescopic rotating shaft pushes out the rotating bracket and rotates 180 degrees, the telescopic rotating shaft retracts to position the rotating bracket on the first positioning column and the second positioning column, and the first driving device and the second driving device push the second The push plate moves downwards, so that the products on the second group of mold cores fall off automatically, and the second push plate resets under the pull of the first drive device and the second drive device, so that the entire demoulding process is automatically completed without manual operation. Effectively improve product productivity and pass rate.

The automatic demoulding device of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is the three-dimensional structural view of the first embodiment of the automatic demoulding device of the present invention without a movable mold;

Fig. 2 is a three-dimensional structure diagram of the automatic demoulding device described in Embodiment 1 of the present invention equipped with a movable mold;

Fig. 3 is a three-dimensional structure diagram of the automatic demoulding device described in Embodiment 1 of the present invention, which is equipped with a movable mold and is ejected and rotated by a telescopic rotating shaft;

Fig. 4 is the three-dimensional structural diagram of the second embodiment of the automatic demoulding device of the present invention without a movable mold;

Fig. 5 is a three-dimensional structural view of the automatic demoulding device according to the second embodiment of the present invention equipped with a movable mold.

Detailed ways

The following best examples of the automatic demoulding device of the present invention do not limit the protection scope of the present invention.

Embodiment 1, with reference to Fig. 1, Fig. 2, Fig. 3, an automatic demoulding device is provided, which includes a movable mold 1, and also includes a first positioning column 2 and a second positioning column 3 arranged on the upper part of the movable mold 1, the first The positioning column 2 and the second positioning column 3 are provided with a rotating bracket 4, a first group of mold cores 5 are installed on one side wall of the rotating bracket 4, and a second group of mold cores 5 are installed on the other side wall of the rotating bracket 4. The mold core 6, one end of the rotating support 4 is equipped with a first guide post 7, and the other end of the rotating support 4 is equipped with a second guide post 8, and one end of the first guide post 7, the second guide post 8 and the first guide post 7 are installed. One set of mold cores 5 is provided with a first push plate 9, one end of the first guide post 7, the second guide post 8 and the second set of mold cores 6 are provided with a second push plate 10, and the movable mold 1 The top of one side is equipped with a first driving device 11, and the top of the other side of the movable mold 1 is equipped with a second driving device 12. The first driving device 11, the second driving device 12 and the first push plate 9, the second push plate 10 transmission connection, a telescopic rotating shaft 13 is also installed on the movable mold 1, and the upper end of the telescopic rotating shaft 13 is fixedly connected with the rotating bracket 4.

Also comprise a push pedal anti-off device 14, this push pedal anti-off device 14 prevents the first push pedal 9, the second push pedal 10 from sliding down from the first guide post 7, the second guide post 8 when the first push pedal 9 and the second push pedal 10 move. The anti-off device 14 also includes a first stopper 15 and a second stopper 16 installed at the end of the first guide post 7, a third stopper 17 and a fourth stopper installed at the end of the second guide post 8. 18, the first fixed rod 19 installed on one end of the first push plate 9, the second fixed rod 20 installed on one end of the second push plate 10, and the first spring 21 arranged on the rotating bracket 4 constitute, the first One end of the spring 21 is fixedly connected with the first fixed rod 19, and its other end is fixedly connected with the second fixed rod 20, and the third fixed rod 22 installed on the other end of the first push pedal 9 is installed on the second push pedal 10. The fourth fixed rod 23 at the other end is composed of a second spring 24 arranged on the rotating bracket 4 , one end of the second spring 24 is fixedly connected with the third fixed rod 22 , and the other end is fixedly connected with the fourth fixed rod 23 .

The first driving device 11 and the second driving device 12 are driving cylinders or hydraulic cylinders, and the driving cylinders are equipped with ejection blocks 29, and the ejection blocks 29 are provided with the first push pedal 9 and the second push pedal 10. Compatible card slots at both ends.

After the product on the mold core is formed, the first driving device 11 and the second driving device 12 push the first push plate 9 to move downward, so that the product on the first group of mold cores 5 will fall off automatically, and the first group of mold cores 5 will automatically fall off. After the product falls off automatically, the first push plate 9 resets under the pulling of the first driving device 11 and the second driving device 12, and the telescopic rotating shaft 13 ejects the rotating bracket 4 and rotates it 180 degrees, and the telescopic rotating shaft 13 retracts to The rotating bracket 4 is positioned on the first positioning column 2 and the second positioning column 3, and the first driving device 11 and the second driving device 12 push the second push plate 10 to move downward, so that the products on the second group of mold cores 6 automatically Come off, the second push plate 10 resets under the pulling of the first driving device 11 and the second driving device 12, so that the whole demoulding process is automatically completed without manual operation, which can effectively improve the productivity and qualification rate of the product.

Embodiment 2, referring to FIG. 4 and FIG. 5 , the push plate anti-off device 14 can also be realized by the following structure, including a first stopper 15 and a second stopper 16 installed at the end of the first guide post 7 , the third stopper 17 and the fourth stopper 18 installed at the end of the second guide post 8, the first stopper 17 installed on the first guide post 7 between one end of the first push plate 9 and the first stopper 15 Three springs 25, the fourth spring 26 installed on the first guide post 7 between one end of the second push pedal 10 and the second stopper 16, installed on the other end of the first push pedal 9 and the third stopper 17 The fifth spring 27 on the second guide post 8 between them, the sixth spring 28 on the second guide post 8 between the other end of the second push plate 10 and the fourth block 18 .

The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplifications should be equivalent replacement methods, and all are included in the protection scope of the present invention.

Claims (6)

1. pickoff; Comprise dynamic model (1), it is characterized in that, also comprise first reference column (2), second reference column (3) that are arranged on dynamic model (1) top; Be arranged with runing rest (4) on first reference column (2), second reference column (3); Be equiped with first group of core rod (5) on one sidewall of this runing rest (4), be equiped with second group of core rod (6) on another sidewall of this runing rest (4), an end of runing rest (4) is equiped with first guide pillar (7); The other end of runing rest (4) is equiped with second guide pillar (8); Be arranged with first push pedal (9) on one end of said first guide pillar (7), second guide pillar (8) and the first group of core rod (5), be arranged with second push pedal (10) on an end of said first guide pillar (7), second guide pillar (8) and the second group of core rod (6), dynamic model (1) top on one side is equiped with first drive unit (11); The top of dynamic model (1) another side is equiped with second drive unit (12); First drive unit (11), second drive unit (12) are in transmission connection with first push pedal (9), second push pedal (10), also are equiped with a telescopic rotating shaft (13) on the said dynamic model (1), and the upper end of this telescopic rotating shaft (13) is fixedly connected with runing rest (4).

2. pickoff according to claim 1 is characterized in that, also comprises a push pedal anti-drop device (14).

3. pickoff according to claim 2; It is characterized in that said push pedal anti-drop device (14) comprises first fixed bar (19) that is installed in first push pedal (9) one ends, be installed in second fixed bar (20) of second push pedal (10) one ends; Be arranged on first spring (21) on the runing rest (4); One end of this first spring (21) is fixedly connected with first fixed bar (19), and first spring (21) other end is fixedly connected with second fixed bar (20), is installed in the 3rd fixed bar (22) of first push pedal (9) other end; Be installed in the 4th fixed bar (23) of second push pedal (10) other end; Be arranged on second spring (24) on the runing rest (4), an end of this second spring (24) is fixedly connected with the 3rd fixed bar (22), and the other end of second spring (24) is fixedly connected with the 4th fixed bar (23).

4. pickoff according to claim 3; It is characterized in that; Said push pedal anti-drop device (14) also comprises first block (15), second block (16) that is installed in first guide pillar (7) end, is installed in the 3rd block (17), the 4th block (18) of second guide pillar (8) end.

5. pickoff according to claim 2; It is characterized in that; Said push pedal anti-drop device (14) comprises first block (15), second block (16) that is installed in first guide pillar (7) end; Be installed in the 3rd block (17), the 4th block (18) of second guide pillar (8) end; Be installed in the 3rd spring (25) on first guide pillar (7) between first push pedal (9) one ends and first block (15); Be installed in the 4th spring (26) on first guide pillar (7) between second push pedal (10) one ends and second block (16), be installed in the 5th spring (27) on second guide pillar (8) between first push pedal (9) other end and the 3rd block (17), be installed in the 6th spring (28) on second guide pillar (8) between second push pedal (10) other end and the 4th block (18).

6. pickoff according to claim 1; It is characterized in that; Said first drive unit (11), second drive unit (12) are to drive cylinder or oil hydraulic cylinder; This driving cylinder is equiped with angled slide block (29), and angled slide block (29) offers the draw-in groove that adapts with first push pedal (9), second push pedal (10) two ends.

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