Injection mold for firstly pushing slide mechanism by using mold opening power
By introducing open mold power to push the positioning mechanism in the injection mold, using the power push plate and plug-in structure, the problems of complexity and large space occupancy of existing molds are solved, and efficient production of multiple products with single molds is achieved.
Patent Information
- Application Number
- CN202323548452.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-26
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2033-12-26
AI Technical Summary
When forming the photo press support, two positioning mechanisms are required for existing injection molds, which leads to complex mold settings and large space, making it impossible to mold more support at the same time, reducing production efficiency and space utilization.
Design an injection mold that uses the opening power to push the positioning mechanism first. By setting a power push plate on the front mold main body, the middle plate and the shovel substrate can be moved, and the position slider and side inserts can be disengaged. The structure synchronously moves the front mold insert, realizing independent molding of the positioning mechanisms on both sides of the rear mold insert, improving space utilization.
It realizes the injection molding of two rows of products in a single mold at the same time, improving production efficiency and space utilization and reducing production costs.
Smart Images
Figure CN222271119U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold which utilizes mold opening power to first push a sliding mechanism. Background Art
[0002] The paper press of a photo machine is one of the important parts of the photo machine, and it has a support with a cross section similar to a π-shaped structure, such as a paper press of a photo machine that realizes paper pressing force adjustment by pressing, as described in the invention patent authorization announcement number CN116619917B;
[0003] The support is generally manufactured by injection molding. The existing mold mainly uses two slide mechanisms to respectively mold the two sides of the support. After molding, the slide mechanism is opened, and the product can be ejected from the bottom through the ejection mechanism. However, this molding method requires the use of two slide mechanisms at the same time, which makes the overall setting of the injection mold complicated, and each molding process requires a large space in the mold. One mold cannot mold a larger number of supports at the same time. Therefore, it is necessary to propose an improved technical solution to solve the above problems. Utility Model Content
[0004] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.
[0005] An injection mold that utilizes mold opening power to first push a sliding mechanism comprises a front mold body and a rear mold body, wherein the front mold body is provided with a power push plate, a middle plate is movably connected to the lower end of the power push plate, a shovel base plate that is docked at both sides of the middle plate is fixedly connected to the lower end of the power push plate, a flow channel plate is installed at the lower end of the middle plate, and a front mold insert that is docked at both sides of the flow channel plate is also slidably connected to the lower end of the middle plate.
[0006] The rear mold body is provided with a rear mold plate, on which a rear mold insert connected to the runner plate is installed, and on the rear mold plate, two sides corresponding to the rear mold insert are provided with sliding mechanisms, and the rear mold plate is also movably connected with an ejection mechanism connected to the sliding mechanism;
[0007] Among them, the sliding mechanism includes a sliding block slidably connected to the rear mold plate, a side insert fixedly installed on the sliding block, a shovel base member fixedly connected to the lower end of the shovel base plate and obliquely inserted in the sliding block, and a bottom insert elastically docked on the sliding block and located between the side insert and the rear mold insert, a plug-in structure is arranged between the bottom insert and the front mold insert, and the bottom insert drives the front mold insert through the plug-in structure; a limiting component is arranged between the bottom insert and the side insert, and the side insert pulls the bottom insert through the limiting component, and the bottom insert, the front mold insert, the side insert and the rear mold insert are docked to form a mold cavity.
[0008] Preferably, a deep hole with an opening facing downward is opened on the middle plate, a connecting hole is opened on the top of the deep hole, a connecting rod passing through the upper end of the middle plate along the connecting hole is movably connected in the deep hole, and the connecting rod is fixedly connected to the power push plate.
[0009] Preferably, right-angle blocks are installed at the positions on both sides of the lower end of the middle plate corresponding to the front mold insert, the front mold insert is slidably connected between the two right-angle blocks, and the front mold insert is abutted against the side inserts, so that the sliding formation of the front mold insert is limited by the side inserts.
[0010] Preferably, a first compression spring is provided on one side of the front mold insert that docks with the flow channel plate, and the front mold insert is elastically resisted against the flow channel plate through the compression spring, and the plug-in structure includes a conical groove arranged on the bottom mold insert and a conical block arranged at the lower end of the front mold insert, and a guide slope corresponding to the conical groove is provided on one side of the bottom mold insert that docks with the rear mold insert.
[0011] Preferably, a bottom bracket is provided at the lower part of the sliding block, the bottom insert is a right-angle structure, the bottom insert and the bottom bracket are slidably matched, a spring hole is opened on the side of the sliding block, and a second compression spring docked to the side of the bottom insert is installed in the spring hole.
[0012] Preferably, the side insert is abutted against the inner right-angle surface of the bottom insert, and the limiting component includes a slide groove provided on the bottom insert and a limiting block fixedly connected to the lower end of the side insert, and the limiting block is slidably docked in the slide groove.
[0013] Preferably, the bottom insert, the front mold insert, the side insert and the rear mold insert are butt-jointed to form a plurality of mold cavities, and a plurality of plug-in structures are provided between the bottom insert and the front mold insert, and the plurality of plug-in structures are staggeredly matched with the plurality of mold cavities.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] By arranging a power push plate on the front mold body, the power push plate is used to connect the middle plate and the shovel base plate, so that the middle plate and the power push plate are in a movable connection relationship. When the mold is opened, the power push plate will drive the shovel base plate to move synchronously, and the middle plate will move after the power push plate moves a certain distance. In this way, the shovel base member on the shovel base plate can be used to drive the slider to move first during the mold opening process. Since the slider is elastically connected to the bottom insert, the slider will first drive the side insert to separate from the bottom insert and the front mold insert. When separated by a certain distance, the limiting component will be used to drive the bottom insert to move synchronously with the slider, so that the bottom insert is separated from the rear mold insert, and the bottom insert When the parts move, the front mold insert will be driven to move synchronously through the plug-in structure. When the sliding block moves to the shovel base part and is separated from the sliding block, the power push plate will start to drive the middle plate upward, so that the middle plate drives the front mold insert to be separated from the bottom insert, and the molded product will be left on the bottom insert, and finally it will be ejected from the bottom insert through the ejection mechanism; therefore, through this arrangement, two rows of sliding mechanisms can be set on both sides of the rear mold insert, and mold cavities are respectively formed between the two rows of sliding mechanisms and the rear mold insert, so that two rows of products can be injected at the same time, which greatly improves the space utilization of the mold and enables a single mold to inject more products at the same time, thereby greatly improving product production efficiency and reducing product production costs.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0018] Figure 1 It is a schematic diagram of a cross-sectional structure of the utility model;
[0019] Figure 2 This utility model Figure 1 The structural diagram at A in the middle;
[0020] Figure 3 It is another cross-sectional structural schematic diagram of the utility model;
[0021] Figure 4 This utility model Figure 3 Schematic diagram of the structure at B in the figure.
[0022] The reference numerals and names in the figures are as follows:
[0023] Power push plate 10, middle plate 11, shovel base plate 12, runner plate 13, front mold insert 14, deep hole 15, connecting rod 16, right-angle block 17, first compression spring 18, rear mold plate 20, rear mold insert 21, sliding mechanism 30, sliding slider 31, side insert 32, shovel base part 33, bottom insert 34, bottom support 35, second compression spring 36, ejection mechanism 40, plug-in structure 50, tapered groove 51, tapered block 52, guide slope 53, limit component 60, slide groove 61, limit block 62. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] See also Figure 1-4 In the embodiment of the utility model, an injection mold that utilizes mold opening power to first push the slide mechanism comprises a front mold body and a rear mold body, the front mold body is provided with a power push plate 10, a middle plate 11 is movably connected to the lower end of the power push plate 10, a shovel base plate 12 that is docked at both sides of the middle plate 11 is fixedly connected to the lower end of the power push plate 10, a flow channel plate 13 is installed at the lower end of the middle plate 11, and a front mold insert 14 that is docked at both sides of the flow channel plate 13 is also slidably connected to the lower end of the middle plate 11,
[0026] The rear mold body is provided with a rear mold plate 20, on which a rear mold insert 21 docked with the flow channel plate 13 is installed, and on the rear mold plate 20, two sides corresponding to the rear mold insert 21 are respectively provided with a slide mechanism 30, and the rear mold plate 20 is also movably connected with an ejection mechanism 40 docked with the slide mechanism 30;
[0027] Among them, the sliding mechanism 30 includes a sliding block 31 slidably connected to the rear mold plate 20, a side insert 32 fixedly installed on the sliding block 31, a shovel base member 33 fixedly connected to the lower end of the shovel base plate 12 and obliquely inserted into the sliding block 31, and a bottom insert 34 elastically docked on the sliding block 31 and located between the side insert 32 and the rear mold insert 21, a plug-in structure 50 is arranged between the bottom insert 34 and the front mold insert 14, and the bottom insert 34 drives the front mold insert 14 through the plug-in structure 50; a limiting component 60 is arranged between the bottom insert 34 and the side insert 32, and the side insert 32 pulls the bottom insert 34 through the limiting component 60, and the bottom insert 34, the front mold insert 14, the side insert 32 and the rear mold insert 21 are docked to form a mold cavity.
[0028] In the above technical scheme, a power push plate 10 is provided on the front mold body, and the power push plate 10 is used to connect the middle plate 11 and the shovel base plate 12, so that the middle plate 11 and the power push plate 10 are in a movable connection relationship. When the mold is opened, the power push plate 10 will drive the shovel base plate 12 to move synchronously, and the middle plate 11 will move after the power push plate 10 moves a certain distance. In this way, the shovel base member 33 on the shovel base plate 12 can be used to drive the slider 31 to move first during the mold opening process. Since the slider 31 is elastically connected to the bottom insert 34, the slider 31 will first drive the side insert 32 to separate from the bottom insert 34 and the front mold insert 14. When separated by a certain distance, the bottom insert 34 will be driven to move synchronously with the slider 31 through the limiting component 60, so that the bottom insert 34 and the rear mold insert 21 are separated, and when the bottom insert 34 moves, it will be The plug-in structure 50 synchronously drives the front mold insert 14 to move. When the slide block 31 moves to the shovel base 33 and is separated from the slide block 31, the power push plate 10 will start to drive the middle plate 11 upward, so that the middle plate 11 drives the front mold insert 14 to separate from the bottom insert 34, and the molded product will be retained on the bottom insert 34, and finally ejected from the bottom insert 34 by the ejection mechanism 40; therefore, through this arrangement, two rows of slide mechanisms 30 can be set on both sides of the rear mold insert 21, and mold cavities are respectively formed between the two rows of slide mechanisms 30 and the rear mold insert 21, so that two rows of products can be injection molded at the same time, which greatly improves the space utilization rate of the mold and enables a single mold to inject more products at the same time. In addition, in addition to the paper press support described in the utility model, other injection molded products similar to the π-shaped structure or the I-shaped structure can be manufactured through the design idea of the technical solution of the utility model.
[0029] Please refer to Figure 3-4 In this embodiment, the limited movable connection between the middle plate 11 and the power push plate 10 is through a deep hole 15 with an opening facing downward on the middle plate 11, a connecting hole is opened at the top of the deep hole 15, and a connecting rod 16 is movably connected in the deep hole 15 and penetrates the upper end of the middle plate 11 along the connecting hole. The connecting rod 16 is fixedly connected to the power push plate 10. When the mold is opened, the power push plate 10 moves first, driving the connecting rod 16 to move upward until the connecting rod 16 pushes against the top of the deep hole 15, and then drives the middle plate 11 to move. Its structure is simple and can The purpose of delaying the movement of the middle plate 11 and thus delaying the opening of the front mold insert 14 is achieved; based on the sliding fit relationship between the middle plate 11 and the front mold insert 14, right-angle blocks 17 are installed at the positions on both sides of the lower end of the middle plate 11 corresponding to the front mold insert 14. The right-angle blocks 17 can hold the front mold insert 14 and prevent it from falling off. The front mold insert 14 is slidably connected between the two right-angle blocks 17, and the front mold insert 14 is abutted against the side insert 32, so that the sliding formation of the front mold insert 14 is limited by the side insert 32.
[0030] Please refer to Figure 1-2 In this embodiment, a first compression spring 18 is provided on a side of the front mold insert 14 that is connected to the flow channel plate 13, and the front mold insert 14 is elastically against the flow channel plate 13 through the compression spring, and the plug-in structure 50 includes a conical groove 51 provided on the bottom mold insert 34 and a conical block 52 provided at the lower end of the front mold insert 14, and a guide slope 53 corresponding to the conical groove 51 is provided on the side of the bottom mold insert 34 that is connected to the rear mold insert 21; its structural setting is simple and ingenious, and through the setting of the first compression spring 18, the force applied when the middle plate 11 is separated from the front mold plate can be increased, thereby playing a role in decomposing the force applied to the plug-in structure 50, and through the cooperation of the conical groove 51 and the conical block 52, combined with the guide slope 53, the middle plate 11 will drive the flow channel when the mold is closed. The plate 13 and the front mold insert 14 are molded together. When the sliding mechanism 30 is molded together, the bottom insert 34 will push the front mold insert 14 to retreat through the cooperation of the guide slope 53 and the conical block 52. When the bottom insert 34 moves to dock with the rear mold insert 21, the conical block 52 on the front mold insert 14 will dock with the conical groove 51 on the bottom insert 34, and then the power push plate 10 is finally pressed down to dock the front mold insert 14 and the bottom insert 34 to complete the mold closing operation; in addition, in this embodiment, the bottom insert 34, the front mold insert 14, the side insert 32 and the rear mold insert 21 are docked to form a plurality of mold cavities, and a plurality of plug-in structures 50 are arranged between the bottom insert 34 and the front mold insert 14, and the plurality of plug-in structures 50 are staggered with the plurality of mold cavities.
[0031] Please refer to Figure 1-4 In this embodiment, a bottom bracket 35 is provided at the lower part of the slide block 31, and the bottom insert 34 is a right-angle structure. The bottom insert 34 and the bottom bracket 35 are slidably matched. A spring hole is opened on the side of the slide block 31, and a second compression spring 36 that is connected to the side of the bottom insert 34 is installed in the spring hole, so that the bottom insert 34 and the slide block 31 are elastically connected. In order to enable the ejection mechanism 40 to eject the product from both sides of the bottom insert 34, a clearance hole is preset on the bottom bracket 35 and the bottom insert 34 for the ejector pin of the ejection mechanism 40 to move It passes through the base support 35 and the bottom insert 34; the side insert 32 is abutted against the inner right-angle surface of the bottom insert 34, and the limiting component 60 includes a slide groove 61 opened on the bottom insert 34 and a limiting block 62 fixedly connected to the lower end of the side insert 32, and the limiting block 62 is slidably docked in the slide groove 61. During the opening process of the mold opening slide block 31, the bottom insert 34 is first subjected to the force of the second compression spring 36 to maintain docking with the rear mold insert 21, until the limiting block 62 abuts against the side of the slide groove 61, and the bottom insert 34 will be driven by the slide block 31 to move synchronously.
[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.
Claims
1. An injection mold that uses mold opening power to first push the slide mechanism, characterized in that: It includes a front mold body and a rear mold body. The front mold body is provided with a power push plate. The lower end of the power push plate is limitedly and movably connected with a middle plate. The lower end of the power push plate is fixedly connected with a shovel base plate docked at both sides of the middle plate. A flow channel plate is installed at the lower end of the middle plate. The lower end of the middle plate is also slidably connected with a front mold insert docked at both sides of the flow channel plate. The rear mold body is provided with a rear mold plate, on which a rear mold insert connected to the runner plate is installed, and on the rear mold plate, two sides corresponding to the rear mold insert are provided with sliding mechanisms, and the rear mold plate is also movably connected with an ejection mechanism connected to the sliding mechanism; Among them, the sliding mechanism includes a sliding block slidably connected to the rear mold plate, a side insert fixedly installed on the sliding block, a shovel base member fixedly connected to the lower end of the shovel base plate and obliquely inserted in the sliding block, and a bottom insert elastically docked on the sliding block and located between the side insert and the rear mold insert, a plug-in structure is arranged between the bottom insert and the front mold insert, and the bottom insert drives the front mold insert through the plug-in structure; a limiting component is arranged between the bottom insert and the side insert, and the side insert pulls the bottom insert through the limiting component, and the bottom insert, the front mold insert, the side insert and the rear mold insert are docked to form a mold cavity.
2. The injection mold that utilizes mold opening power to first push the slide mechanism according to claim 1, characterized in that: A deep hole with an opening facing downward is opened on the middle plate, a connecting hole is opened on the top of the deep hole, a connecting rod penetrating the upper end of the middle plate along the connecting hole is movably connected in the deep hole, and the connecting rod is fixedly connected to the power push plate.
3. The injection mold that utilizes mold opening power to first push the slide mechanism according to claim 1, characterized in that: Right-angle blocks are installed at the positions on both sides of the lower end of the middle plate corresponding to the front mold insert. The front mold insert is slidably connected between the two right-angle blocks, and the front mold insert is abutted against the side inserts so that the sliding formation of the front mold insert is limited by the side inserts.
4. The injection mold that utilizes mold opening power to first push the slide mechanism according to claim 2, characterized in that: A first compression spring is arranged on one side of the front mold insert that is docked with the flow channel plate, and the front mold insert is elastically pressed against the flow channel plate through the compression spring, and the plug-in structure includes a conical groove arranged on the bottom mold insert and a conical block arranged at the lower end of the front mold insert, and a guide slope corresponding to the conical groove is provided on one side of the bottom mold insert that is docked with the rear mold insert.
5. The injection mold that utilizes mold opening power to first push the slide mechanism according to claim 1, characterized in that: A bottom bracket is arranged at the lower part of the slide block, and the bottom insert is a right-angle structure. The bottom insert and the bottom bracket are slidably matched. A spring hole is opened on the side of the slide block, and a second compression spring docked to the side of the bottom insert is installed in the spring hole.
6. The injection mold that utilizes mold opening power to first push the slide mechanism according to claim 5, characterized in that: The side insert is butted against the inner right-angle surface of the bottom insert, and the limiting component comprises a slide groove provided on the bottom insert and a limiting block fixedly connected to the lower end of the side insert, and the limiting block is slidably connected to the slide groove.
7. The injection mold that utilizes mold opening power to first push the slide mechanism according to claim 1, characterized in that: The bottom insert, the front mold insert, the side insert and the rear mold insert are butt-jointed to form a plurality of mold cavities, and a plurality of plug-in structures are arranged between the bottom insert and the front mold insert, and the plurality of plug-in structures are staggeredly matched with the plurality of mold cavities.