Injection mold facilitating material taking

Abstract

The utility model discloses an injection mold convenient for taking materials. The injection mold comprises an upper mounting table, a lower mounting table, an upper mold, a mounting frame, a lower mold and an injection molding hole, an upper mold is mounted at the lower end of the upper mounting table through bolts, a mounting frame and a lower mold are mounted at the upper end of the lower mounting table through bolts, the mounting frame is located between the lower mounting table and the lower mold, an injection molding hole is formed in the middle of the upper mounting table, and an automatic ejection mechanism is arranged between the upper mold and the mounting frame. According to the injection mold facilitating material taking, when the upper mold and the lower mold are combined together, a push plate and an ejector rod move downwards, a spring is compressed, a plugging block is clamped to the upper end of a second stepped hole, after injection molding is completed, the upper mold moves upwards to drive a pressing rod to move upwards to be separated from an abutting plate, and the spring rebounds to push the push plate to move upwards; and therefore, the plugging block is driven to move upwards to eject the injection-molded product out of the mold cavity of the lower mold, the product can be taken down conveniently, and the production efficiency of injection molding is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold convenient for taking out materials. Background Technique

[0002] Injection molding, also known as injection moulding, is a molding method that combines injection and moulding. The advantages of the injection molding method are high production speed, high efficiency, automation of operation, a variety of flower patterns and varieties, the shape can range from simple to complex, the size can range from large to small, and the product size is accurate, the product is easy to update, and it can form parts with complex shapes. Injection molding is suitable for the molding and processing fields such as mass production and products with complex shapes. At a certain temperature, the plastic material completely melted by screw stirring is injected into the mold cavity under high pressure, and after cooling and solidification, the molded product is obtained. This method is suitable for the batch production of parts with complex shapes and is one of the important processing methods.

[0003] At present, after the traditional injection mold is opened after injection molding, the injection-molded product may get stuck in the mold cavity of the mold, which is not convenient for taking out the injection-molded product, and thus reduces the injection molding efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to provide an injection mold convenient for taking out materials, so as to solve the problem that after the traditional injection mold is opened after injection molding, the injection-molded product may get stuck in the mold cavity of the mold, which is not convenient for taking out the injection-molded product, and thus reduces the injection molding efficiency mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an injection mold convenient for taking out materials, including an upper mounting table, a lower mounting table, an upper mold, a mounting frame, a lower mold and an injection hole; the lower end of the upper mounting table is installed with an upper mold through bolts, the upper end of the lower mounting table is installed with a mounting frame and a lower mold through bolts, the mounting frame is located between the lower mounting table and the lower mold, an injection hole is opened in the middle of the upper mounting table, an automatic ejection mechanism is arranged between the upper mold and the mounting frame, and a positioning component is arranged between the upper mold and the lower mold;

[0006] The automatic ejection mechanism includes a pressure rod. Two groups of pressure rods are arranged in the middle of the upper die. The lower end of the pressure rod penetrates through the lower die and is inserted into the mounting frame. A chute is opened at the lower end of the mounting frame. A push plate is slidably connected in the chute. The upper end of the push plate is fixedly connected with multiple ejector rods. The upper end of the ejector rod penetrates through the mounting frame and is inserted into the lower die. A slot matching with the ejector rod is opened in the middle of the mounting frame. The ejector rod is inserted into the slot. The lower end of the pressure rod abuts against the push plate. The lower end of the push plate is fixedly connected with multiple springs. Multiple mounting grooves matching with the springs are opened at the upper end of the lower mounting table. The springs are inserted into the mounting grooves. The lower end of the spring abuts against the inner wall of the lower end of the mounting groove.

[0007] Preferably, a first stepped hole matching with the pressure rod is opened in the middle of the upper die. The pressure rod is inserted into the first stepped hole. A first fixing block is fixedly connected to the upper end of the pressure rod. The first fixing block is clamped at the upper end of the first stepped hole. The upper surface of the first fixing block is on the same horizontal plane as the upper surface of the upper die.

[0008] Preferably, pressure plates are fixedly connected to the front and rear ends of the push plate. The lower ends of the two pressure rods respectively abut against the upper surfaces of the two pressure plates.

[0009] Preferably, multiple second stepped holes corresponding to the ejector rods one by one are opened in the middle of the lower die. A plugging block is fixedly connected to the upper end of the ejector rod. The plugging block is clamped at the upper end of the second stepped hole. The upper surface of the plugging block is flush with the inner wall of the lower end of the cavity of the lower die.

[0010] Preferably, the positioning component includes a limiting rod. Limiting rods are arranged at the four corners of the upper die. Limiting holes matching with the limiting rods are opened at the four corners of the lower die. The limiting rods are inserted into the limiting holes.

[0011] Preferably, the four limiting rods are respectively inserted at the four corners of the upper die. Third stepped holes matching with the limiting rods are opened at the four corners of the upper die. A second fixing block is fixedly connected to the upper end of the limiting rod. The second fixing block is clamped at the upper end of the third stepped hole. The upper surface of the second fixing block is flush with the upper surface of the upper die.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By providing an automatic ejection mechanism, when the upper mold and the lower mold are closed together, the lower end of the pressure rod abuts against the pressing plate at this time, so that the push plate and the ejection rod move downward, the spring is compressed, and the blocking block is engaged with the upper end of the second stepped hole. After the injection molding is completed, the upper mold moves upward at this time, driving the pressure rod to move upward and disengage from the pressing plate. At this time, the spring rebounds, pushing the push plate upward, thereby driving the blocking block to move upward to eject the injection-molded product from the mold cavity of the lower mold, which facilitates the removal of the product and improves the production efficiency of injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic perspective view of the present utility model;

[0015] Figure 2 Schematic view of the structure of the present utility model after mold opening;

[0016] Figure 3 Explosion diagram of the present utility model;

[0017] Figure 4 Schematic perspective view of the mounting frame, lower mold and automatic ejection mechanism of the present utility model;

[0018] Figure 5 Schematic perspective view of the lower mold, second stepped hole and limiting hole of the present utility model.

[0019] In the figure: 1, upper mounting table; 2, lower mounting table; 3, upper mold; 4, mounting frame; 5, lower mold; 611, pressure rod; 612, first stepped hole; 613, first fixing block; 614, chute; 615, push plate; 616, ejection rod; 617, slot; 618, blocking block; 619, second stepped hole; 620, spring; 621, mounting groove; 622, pressing plate; 711, limiting rod; 712, limiting hole; 713, third stepped hole; 714, second fixing block; 8, injection hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, the present utility model provides a technical solution: an injection mold convenient for material taking, which includes an upper mounting table 1, a lower mounting table 2, an upper mold 3, a mounting frame 4, a lower mold 5 and an injection hole 8; the lower end of the upper mounting table 1 is bolted with the upper mold 3, and the upper end of the lower mounting table 2 is bolted with the mounting frame 4 and the lower mold 5. The mounting frame 4 is located between the lower mounting table 2 and the lower mold 5. An injection hole 8 is opened in the middle of the upper mounting table 1. An automatic ejection mechanism is arranged between the upper mold 3 and the mounting frame 4. The automatic ejection mechanism includes a pressure rod 611. There are two groups of pressure rods 611 arranged in the middle of the upper mold 3. The lower end of the pressure rod 611 penetrates through the lower mold 5 and is inserted into the mounting frame 4. A chute 614 is opened at the lower end of the mounting frame 4. A push plate 615 is slidably connected in the chute 614. The upper end of the push plate 615 is fixedly connected with a plurality of ejector rods 616. The upper end of the ejector rod 616 penetrates through the mounting frame 4 and is inserted into the lower mold 5. A slot 617 matching with the ejector rod 616 is opened in the middle of the mounting frame 4. The ejector rod 616 is inserted into the slot 617. The lower end of the pressure rod 611 abuts against the push plate 615. The lower end of the push plate 615 is fixedly connected with a plurality of springs 620. A plurality of mounting grooves 621 matching with the springs 620 are opened at the upper end of the lower mounting table 2. The springs 620 are inserted into the mounting grooves 621. The lower end of the spring 620 abuts against the inner wall of the lower end of the mounting groove 621. The front and rear ends of the push plate 615 are fixedly connected with abutting pressure plates 622. The lower ends of the two groups of pressure rods 611 respectively abut against the upper surfaces of the two groups of abutting pressure plates 622. When the upper mold 3 and the lower mold 5 are combined together, at this time, the lower end of the pressure rod 611 abuts against the abutting pressure plate 622, so that the push plate 615 and the ejector rod 616 move downward, and the spring 620 is compressed. The blocking block 618 is clamped at the upper end of the second stepped hole 619. After the injection molding is completed, at this time, the upper mold 3 moves upward to drive the pressure rod 611 to move upward and separate from the abutting pressure plate 622. At this time, the spring 620 rebounds, pushing the push plate 615 upward, thereby driving the blocking block 618 to move upward to eject the injection-molded product from the mold cavity of the lower mold 5, and then it is convenient to take down the product, thereby improving the production efficiency of injection molding.

[0022] Please refer to Figure 3 , Figure 4 and Figure 5, a first stepped hole 612 that cooperates with the pressure rod 611 is provided in the middle of the upper mold 3. The pressure rod 611 is inserted into the first stepped hole 612. A first fixing block 613 is fixedly connected to the upper end of the pressure rod 611. The first fixing block 613 is engaged with the upper end of the first stepped hole 612. The upper surface of the first fixing block 613 is on the same horizontal plane as the upper surface of the upper mold 3. After disassembling the upper mounting table 1 and the upper mold 3, at this time, the pressure rod 611 can be taken out from the upper end of the upper mold 3, and after inserting the pressure rod 611 into the first stepped hole 612, at this time, the first fixing block 613 is stuck at the upper end of the first stepped hole 612. After fixing the upper mounting table 1 and the upper mold 3 with bolts, at this time, the first fixing block 613 is clamped and fixed by the first stepped hole 612 and the upper mounting table 1, so that the pressure rod 611 can be quickly fixed and installed; a plurality of groups of second stepped holes 619 corresponding to the ejector rods 616 one by one are provided in the middle of the lower mold 5. A blocking block 618 is fixedly connected to the upper end of the ejector rod 616. The blocking block 618 is engaged with the upper end of the second stepped hole 619. The upper surface of the blocking block 618 is flush with the lower inner wall of the cavity of the lower mold 5. When the upper mold 3 is closed on the lower mold 5, at this time, the blocking block 618 is engaged in the second stepped hole 619, thereby ensuring the integrity of the cavity of the lower mold 5 and preventing the raw material from flowing into the second stepped hole 619 during injection molding, which may cause defects in the product.

[0023] Please refer to Figure 2 , Figure 3 , Figure 4 and Figure 5 , the positioning component includes a limiting rod 711. Limiting rods 711 are provided at the four corners of the upper mold 3. Limiting holes 712 that cooperate with the limiting rods 711 are provided at the four corners of the lower mold 5. The limiting rods 711 are inserted into the limiting holes 712. During mold closing, first, the limiting rods 711 will be inserted into the limiting holes 712, thereby ensuring the alignment of the cavities of the upper mold 3 and the lower mold 5 and ensuring the integrity of the injection-molded product. The four groups of limiting rods 711 are respectively inserted at the four corners of the upper mold 3. Third stepped holes 713 that cooperate with the limiting rods 711 are provided at the four corners of the upper mold 3. A second fixing block 714 is fixedly connected to the upper end of the limiting rod 711. The second fixing block 714 is engaged with the upper end of the third stepped hole 713. The upper surface of the second fixing block 714 is flush with the upper surface of the upper mold 3. By engaging the second fixing block 714 between the third stepped hole 713 and the upper mounting table 1, the limiting rod 711 can be quickly fixed, and when it is damaged, the limiting rod 711 can be quickly taken out from the upper end of the upper mold 3 by disassembling the upper mounting table 1 and the upper mold 3.

[0024] Working principle: During mold closing, first, the limit rod 711 will insert into the limit hole 712. At this time, the lower end of the pressure rod 611 abuts against the abutting pressure plate 622, so that the push plate 615 and the ejector rod 616 move downward, and the spring 620 is compressed. After the upper mold 3 and the lower mold 5 are closely attached, the blocking block 618 is engaged with the upper end of the second stepped hole 619. At this time, raw materials are injected into the injection hole 8 through an injection molding machine. At this time, the raw materials are molded in the mold cavities of the upper mold 3 and the lower mold 5. After the injection molding is completed, the upper mounting table 1 and the upper mold 3 move upward. At this time, the upward movement of the upper mold 3 drives the pressure rod 611 to move upward and disengage from the abutting pressure plate 622. At this time, the spring 620 rebounds and pushes the push plate 615 upward, thereby driving the blocking block 618 upward to eject the injection-molded product from the mold cavity of the lower mold 5. Just remove the ejected injection-molded product. The above is the working process of the entire device, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for easy material removal, comprising an upper mounting platform (1), a lower mounting platform (2), an upper mold (3), a mounting frame (4), a lower mold (5) and an injection hole (8); characterized in that: An upper mold (3) is mounted on the lower end of the upper mounting platform (1) by means of bolts, a mounting frame (4) and a lower mold (5) are mounted on the upper end of the lower mounting platform (2) by means of bolts, the mounting frame (4) is located between the lower mounting platform (2) and the lower mold (5), an injection hole (8) is provided in the middle of the upper mounting platform (1), an automatic ejection mechanism is provided between the upper mold (3) and the mounting frame (4), and a positioning assembly is provided between the upper mold (3) and the lower mold (5); The automatic ejection mechanism comprises a pressure rod (611), two groups of pressure rods (611) are arranged in the middle of the upper mold (3), the lower ends of the pressure rods (611) pass through the lower mold (5) and are inserted in the mounting frame (4), a slide groove (614) is provided at the lower end of the mounting frame (4), a push plate (615) is slidably connected in the slide groove (614), and a plurality of groups of ejection rods (616) are fixedly connected to the upper end of the push plate (615), the upper ends of the ejection rods (616) pass through the mounting frame (4) and are inserted in the lower mold (5), and the middle of the mounting frame (4) A slot (617) is provided which cooperates with the ejector rod (616), the ejector rod (616) is inserted into the slot (617), the lower end of the pressure rod (611) is in mutual engagement with the push plate (615), the lower end of the push plate (615) is fixedly connected with a plurality of groups of springs (620), the upper end of the lower mounting platform (2) is provided with a plurality of groups of mounting grooves (621) which cooperate with the springs (620), the springs (620) are inserted into the mounting grooves (621), and the lower end of the springs (620) is in mutual engagement with the lower end inner wall of the mounting groove (621).

2. The injection mold for easy material removal according to claim 1, characterized in that: A first stepped hole (612) cooperating with a pressure rod (611) is provided in the middle of the upper mold (3); the pressure rod (611) is inserted into the first stepped hole (612); the upper end of the pressure rod (611) is fixedly connected to a first fixing block (613); the first fixing block (613) is engaged with the upper end of the first stepped hole (612); the upper surface of the first fixing block (613) is in the same horizontal plane as the upper surface of the upper mold (3).

3. The injection mold for easy material removal according to claim 1, characterized in that: The front and rear ends of the push plate (615) are fixedly connected to a pressure plate (622), and the lower ends of the two groups of pressure rods (611) are respectively in contact with the upper surfaces of the two groups of pressure plates (622).

4. The injection mold for facilitating material removal according to claim 3, characterized in that: The middle part of the lower mold (5) is provided with a plurality of groups of second stepped holes (619) corresponding one to one with the ejector rods (616); the upper end of the ejector rods (616) is fixedly connected with a blocking block (618); the blocking block (618) is engaged with the upper end of the second stepped hole (619); the upper surface of the blocking block (618) is flush with the inner wall of the lower end of the mold cavity of the lower mold (5).

5. The injection mold for easy material removal according to claim 1, characterized in that: The positioning assembly comprises a limiting rod (711), the four corners of the upper mold (3) are all provided with a limiting rod (711), the four corners of the lower mold (5) are all provided with a limiting hole (712) that cooperates with the limiting rod (711), and the limiting rod (711) is inserted into the limiting hole (712).

6. The injection mold for easy material removal according to claim 5, characterized in that: The four groups of limit rods (711) are respectively inserted into the four corners of the upper mold (3); the four corners of the upper mold (3) are all provided with third stepped holes (713) that cooperate with the limit rods (711); the upper ends of the limit rods (711) are fixedly connected with second fixed blocks (714); the second fixed blocks (714) are engaged with the upper ends of the third stepped holes (713); the upper surface of the second fixed blocks (714) is flush with the upper surface of the upper mold (3).

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