A new type of ultra-long stroke mold opening mechanism

Abstract

The utility model discloses a novel super long stroke mold opening mechanism, including the base plate, the upper end surface of base plate is equipped with mechanism installation slot, the inner side of mechanism installation slot is installed with mold opening mechanism main part, the mold opening mechanism main part is including two pressure strips, two pressure strips are fixedly connected with base plate, install one line position seat between two pressure strips, the front end of line position seat is installed with first line position insert piece, the rear end of line position seat is installed with spade base, be equipped with the forming cavity between line position seat and spade base, the inner side of forming cavity is installed with special -shaped guide block, the rear end fixed mounting of spade base has inclined pin insert piece, install a plurality of second line position insert piece between line position seat and first line position insert piece, the front end surface fixed mounting of first line position insert piece has two third line position insert pieces. The utility model shortens to the mold core-pulling stroke, can effectively improve the injection molding efficiency of product and satisfy the quick iteration use of product.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically a novel ultra-long stroke mold opening mechanism. Background Technology

[0002] The core function of injection molds is to efficiently and precisely produce complex plastic parts. Their working principle involves heating and melting granular or powdered plastic, then injecting it into a closed mold cavity under high pressure (approximately 70-200 MPa) and high speed. After the melt fills the cavity, it solidifies through cooling or heating, and finally, the product is obtained by ejection through an ejection system. The mold structure typically includes molding components such as the core and die, gating system runners and gates, cooling and heating systems, guiding components, and ejection mechanisms, ensuring molding accuracy and efficiency. This technology is mainly applicable to the production of thermoplastic products, but can also be used for some thermosetting plastics. It is widely used in the automotive, electronics, and home appliance industries, for example, in the production of complex-shaped products such as automotive parts and electronic product casings.

[0003] Existing injection molds, under the premise of ultra-long stroke, require the use of hydraulic cylinders for core pulling for demolding. This results in large mold volume, high cost, and extended production cycle, which is not conducive to efficient production and adapting to rapid product iteration. Therefore, it does not meet the existing requirements. To address this, we propose a new type of ultra-long stroke mold opening mechanism. Utility Model Content

[0004] The purpose of this invention is to provide a novel ultra-long stroke mold opening mechanism to solve the problems mentioned in the background art, such as the need for hydraulic cylinder core pulling for demolding under ultra-long stroke conditions in existing injection molds, which result in large mold volume, high cost, extended production cycle, and are not conducive to efficient production and adaptation to rapid product iteration.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel ultra-long stroke mold opening mechanism, comprising a base plate, a mechanism mounting groove provided on the upper end surface of the base plate, a mold opening mechanism body installed on the inner side of the mechanism mounting groove, the mold opening mechanism body comprising two pressure strips, the two pressure strips being fixedly connected to the base plate, a sliding seat being installed between the two pressure strips, a first sliding insert being installed at the front end of the sliding seat, a shovel base being installed at the rear end of the sliding seat, a forming cavity being provided between the sliding seat and the shovel base, an irregularly shaped guide block being installed on the inner side of the forming cavity, and a slanted pin insert being fixedly installed at the rear end of the shovel base.

[0006] Preferably, a plurality of second row inserts are installed between the row position seat and the first row position insert, and two third row inserts are fixedly installed on the front end face of the first row position insert.

[0007] Preferably, the row position seat and the first row position insert are fixedly connected by a plurality of second row position inserts, and the first row position insert and the two third row position inserts are integrally machined.

[0008] Preferably, the two pressure strips are symmetrically installed relative to the row position seat, and the row position seat is fixedly connected to the base plate and the two pressure strips.

[0009] Preferably, the row seat, shovel base and inclined pin insert are arranged in sequence from front to back, the irregular guide block is slidably connected to the row seat, the bottom end of the base plate is provided with a rear mold, and the bottom end of the irregular guide block passes through the molding cavity and is inserted into the inner side of the rear mold.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] This invention involves closing the substrate and the rear mold, and performing a first injection into the molding cavity. The product is initially formed within the molding cavity by the covering action of the slide seat, the shaped guide block, and the spade base. Then, the substrate is flipped, and a second injection is performed into the molding cavity, thus achieving a secondary injection molding operation. The inclined pin insert, driven by the spade base, slides out from the inside of the slide seat, achieving slide separation. This facilitates the separation of the shaped guide block and spade base from the product, making it easier for a robot to remove the product from the rear mold. This effectively reduces the stroke of the shaped guide block. By shortening the core-pulling stroke of the mold, the injection molding efficiency of the product can be effectively improved, and the rapid iteration of the product can be accommodated. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the main structure of the mold opening mechanism of this utility model;

[0014] Figure 3 This is a schematic diagram of the irregularly shaped guide block of this utility model in the demolded state;

[0015] Figure 4 This is a cross-sectional structural diagram of the present invention.

[0016] In the figure: 1. Base plate; 2. Mechanism mounting groove; 3. Mold opening mechanism body; 4. Pressure strip; 5. First slide insert; 6. Second slide insert; 7. Third slide insert; 8. Slide seat; 9. Irregular guide block; 10. Shovel base; 11. Angled pin insert; 12. Molding cavity. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Please see Figure 1 and Figure 2 The present invention provides an embodiment of a novel ultra-long stroke mold opening mechanism, comprising a base plate 1, a mechanism mounting groove 2 on the upper surface of the base plate 1, a mold opening mechanism body 3 mounted on the inner side of the mechanism mounting groove 2, the mold opening mechanism body 3 comprising two pressure strips 4, the two pressure strips 4 being fixedly connected to the base plate 1, a sliding seat 8 being mounted between the two pressure strips 4, the two pressure strips 4 being symmetrically mounted relative to the sliding seat 8, the sliding seat 8 being fixedly connected to the base plate 1 and the two pressure strips 4, and the base plate 1 and the sliding seat 8 being pressed and mounted by the two pressure strips 4.

[0019] Please see Figures 2 to 4 The front end of the slide seat 8 is equipped with a first slide insert 5, the rear end of the slide seat 8 is equipped with a shovel base 10, a molding cavity 12 is provided between the slide seat 8 and the shovel base 10, a shaped guide block 9 is installed on the inner side of the molding cavity 12, and a slanted pin insert 11 is fixedly installed on the rear end of the shovel base 10. The slide seat 8, the shovel base 10 and the slanted pin insert 11 are arranged in sequence from front to back. The shaped guide block 9 is slidably connected to the slide seat 8. The bottom end of the base plate 1 is provided with a rear mold. The bottom end of the shaped guide block 9 passes through the molding cavity 12 and is inserted into the inner side of the rear mold. The product can be separated from the shaped guide block 9 by separating the shaped guide block 9 from the rear mold.

[0020] Please see Figure 2 Multiple second row inserts 6 are installed between the row seat 8 and the first row insert 5. Two third row inserts 7 are fixedly installed on the front end face of the first row insert 5. The row seat 8 and the first row insert 5 are fixedly connected by multiple second row inserts 6. The first row insert 5 and the two third row inserts 7 are machined as a single piece. The second row inserts 6 facilitate the positioning and installation of the row seat 8.

[0021] In summary, the main body 3 of the mold opening mechanism is installed inside the mechanism mounting groove 2, so that the base plate 1 is fixedly connected with the two pressure strips 4. Then, the base plate 1 and the rear mold are closed. When the product is injection molded, the first injection is performed in the molding cavity 12, so that the product is initially formed in the molding cavity 12 under the covering action of the slide seat 8, the irregular guide block 9 and the spade base 10. Then, the base plate 1 is flipped and the molding cavity 12 is injected a second time, thereby realizing the secondary injection molding operation of the product. At this time, the inclined pin insert 11 is pushed, so that the inclined pin insert 11 drives the irregular guide block 9 to slide out from the inside of the slide seat 8 through the spade base 10, realizing the slide separation, which facilitates the separation of the irregular guide block 9 and the spade base 10 from the product, and facilitates the subsequent removal of the product from the rear mold by the robot.

[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A novel ultra-long stroke mold opening mechanism, comprising a base plate (1), characterized in that: The upper surface of the substrate (1) is provided with a mechanism mounting groove (2). The inner side of the mechanism mounting groove (2) is provided with a mold opening mechanism body (3). The mold opening mechanism body (3) includes two pressure strips (4). The two pressure strips (4) are fixedly connected to the substrate (1). A sliding seat (8) is installed between the two pressure strips (4). A first sliding insert (5) is installed at the front end of the sliding seat (8). A shovel base (10) is installed at the rear end of the sliding seat (8). A molding cavity (12) is provided between the sliding seat (8) and the shovel base (10). An irregular guide block (9) is installed inside the molding cavity (12). A slanted pin insert (11) is fixedly installed at the rear end of the shovel base (10).

2. The novel ultra-long stroke mold opening mechanism according to claim 1, characterized in that: A plurality of second row inserts (6) are installed between the row seat (8) and the first row insert (5), and two third row inserts (7) are fixedly installed on the front end face of the first row insert (5).

3. The novel ultra-long stroke mold opening mechanism according to claim 2, characterized in that: The row position seat (8) and the first row position insert (5) are fixedly connected by multiple second row position inserts (6), and the first row position insert (5) and two third row position inserts (7) are integrally machined.

4. The novel ultra-long stroke mold opening mechanism according to claim 3, characterized in that: The two pressure strips (4) are symmetrically installed relative to the row seat (8), and the row seat (8) is fixedly connected to the base plate (1) and the two pressure strips (4).

5. The novel ultra-long stroke mold opening mechanism according to claim 4, characterized in that: The row seat (8), shovel base (10) and inclined pin insert (11) are arranged in sequence from front to back. The irregular guide block (9) is slidably connected to the row seat (8). The bottom end of the base plate (1) is provided with a rear mold. The bottom end of the irregular guide block (9) passes through the molding cavity (12) and is inserted into the inner side of the rear mold.

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