Automatic mold closing mechanism of rubber mold sliding block
The automatic mold closing mechanism using rubber mold sliders solves the gap problem in the mold closing mechanism, enabling rapid and stable mold opening and closing, and improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-03-17
AI Technical Summary
Existing rubber mold clamping mechanisms are prone to having excessively large or small clearances, which can cause the slider to wobble or get stuck, affecting clamping accuracy and production efficiency.
An automatic mold closing mechanism using a rubber mold slider is adopted. The mold closing component drives the molding components to move closer to each other, achieving rapid mold closing. Positioning pins and limit blocks ensure synchronous opening and closing of the mold, avoiding jamming.
It enables rapid and stable opening and closing of molds, improving the production efficiency and product quality of rubber products.
Smart Images

Figure CN223998873U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rubber mold technology, specifically to an automatic mold closing mechanism for rubber mold sliders. Background Technology
[0002] A mold is a tool used to produce products with specific shapes and sizes. Through its specific shape and structure, it allows material to deform according to the shape and size of the mold when subjected to external forces, thereby obtaining the desired finished product. Rubber molds are the core tools in rubber product manufacturing; their design and manufacturing level directly determine the shape, size, precision, and surface quality of the rubber products. During the operation of a rubber mold, the mold-closing mechanism plays a crucial role, ensuring precise mold closure and providing a stable environment for the injection and molding of rubber raw materials.
[0003] Existing rubber mold closing mechanisms mostly use inclined guide pillars in conjunction with spring mechanisms to achieve mold opening, closing, and resetting. During the process of guiding the movement of the mold slider, the inclined guide pillars are prone to excessive or insufficient clearance due to factors such as machining accuracy, wear, and external forces. Excessive clearance will cause the slider to wobble during movement, affecting the mold closing accuracy. Insufficient clearance may cause the slider to jam, making it impossible for the mold to open and close smoothly. Therefore, we need to propose an automatic mold closing mechanism for rubber mold sliders. Utility Model Content
[0004] The purpose of this invention is to provide an automatic mold closing mechanism for rubber mold sliders, which aims to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An automatic mold closing mechanism for a rubber mold slider includes an upper mold base, a lower mold base located below the upper mold base, a glue injection port fixedly embedded on the top of the upper mold base, an upper mold core fixedly connected to the bottom of the upper mold base, and several sets of through grooves provided inside the upper mold core. A lower mold core is fixedly connected to the top of the lower mold base, and two sets of molding components are provided on the top of the lower mold core. Mold closing components for adjusting the distance between the two sets of molding components are respectively provided on the two side walls of the lower mold base.
[0007] Preferably, the mold clamping assembly includes a fixing plate, which is fixedly connected to one side wall of the lower mold base. A plurality of guide grooves are provided on one side wall of the fixing plate, and the end of the molding assembly is slidably connected to the inside of the guide grooves.
[0008] Preferably, the molding component includes a movable plate, with guide posts adapted to guide grooves fixedly connected to both ends of the movable plate, the ends of the guide posts being slidably connected to the inside of the guide grooves, and a plurality of molding cavities being formed on one side wall of the movable plate.
[0009] Preferably, a limiting groove is provided at the bottom of the movable plate, and a limiting block adapted to the limiting groove is fixedly connected to the top of the lower mold core, and the limiting block is slidably inserted into the inside of the limiting groove.
[0010] Preferably, the bottom of the upper mold base is provided with a material guide groove, which is connected to the interior of several sets of through grooves.
[0011] Preferably, the bottom of the upper mold base is provided with a plurality of protrusions, and the bottom of the protrusions is slidably connected to the top of the limiting block.
[0012] Preferably, a positioning pin is inserted into the interior of the upper mold base, and the bottom of the positioning pin passes through the lower mold base and is connected to a locking block.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This invention locks the upper mold base and the lower mold base together, and then pulls them up through the mold closing component. This automatically drives the two molding components to move closer to each other, thus achieving a rapid mold closing effect. It also enables the mold to open and close synchronously, avoiding jamming and ensuring smooth mold opening and closing operations, which is conducive to further improving the production efficiency of rubber products. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the axial side structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the upper mold base of this utility model;
[0018] Figure 4 This is a schematic diagram of the upper mold core of this utility model;
[0019] Figure 5 This is a schematic diagram of the molding component and mold closing component of this utility model.
[0020] In the diagram: 1. Upper mold base; 2. Lower mold base; 3. Injection port; 4. Upper mold core; 5. Through slot; 6. Lower mold core; 7. Molding component; 701. Movable plate; 702. Guide pillar; 703. Molding cavity; 8. Mold closing component; 801. Fixed plate; 802. Guide groove; 9. Limiting groove; 10. Limiting block; 11. Material guide groove; 12. Protrusion; 13. Positioning pin. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-5 This utility model provides a technical solution:
[0023] An automatic mold closing mechanism for rubber mold sliders includes an upper mold base 1, a lower mold base 2 below the upper mold base 1, a glue injection port 3 fixedly embedded on the top of the upper mold base 1, an upper mold core 4 fixedly connected to the bottom of the upper mold base 1, and several sets of through grooves 5 inside the upper mold core 4. A lower mold core 6 is fixedly connected to the top of the lower mold base 2, and two sets of molding components 7 are set on the top of the lower mold core 6. Mold closing components 8 for adjusting the distance between the two sets of molding components 7 are respectively set on the two side walls of the lower mold base 2. This utility model locks the upper mold base 1 and the lower mold base 2 together, and the set mold closing components 8 can pull them up, thereby automatically driving the two sets of molding components 7 to move closer to each other, thus achieving a rapid mold closing effect and a synchronous mold opening and closing effect, avoiding jamming, ensuring smooth mold opening and closing operations, and further improving the production efficiency of rubber products.
[0024] Specifically, the mold closing assembly 8 includes a fixing plate 801, which is fixedly connected to one side wall of the lower mold base 2. Several guide grooves 802 are provided on one side wall of the fixing plate 801. The end of the molding assembly 7 is slidably connected to the inside of the guide groove 802. By lifting the fixing plate 801 upward, the end of the molding assembly 7 can be driven to slide along the direction of the guide groove 802, thereby achieving the effect of synchronous opening and closing of the mold, avoiding jamming, and ensuring smooth mold opening and closing operations.
[0025] Furthermore, the molding component 7 includes a movable plate 701, with guide posts 702 adapted to guide grooves 802 fixedly connected to both ends of the movable plate 701. The ends of the guide posts 702 are slidably connected to the interior of the guide grooves 802. Several sets of molding cavities 703 are formed on one side wall of the movable plate 701. When the fixed plate 801 moves upward, the guide posts 702 can slide inside them, thereby driving the two sets of movable plates 701 to move closer or further apart, thus achieving the opening and closing effect of the mold. The material of the movable plate 701 can be carbon steel or alloy steel. Carbon steel is one of the most common mold steel materials, mainly composed of iron and carbon. Carbon steel has good machinability and wear resistance. Alloy steel adds alloy elements to carbon steel, improving its strength and wear resistance. The alloy steel movable plate 701 can withstand higher pressure and friction.
[0026] Furthermore, a limiting groove 9 is provided at the bottom of the movable plate 701, and a limiting block 10 that matches the limiting groove 9 is fixedly connected to the top of the lower mold core 6. The limiting block 10 is slidably inserted into the inside of the limiting groove 9. When the two sets of movable plates 701 approach or move away from each other, the combination of the limiting block 10 and the limiting groove 9 plays a role in limiting the movable plate 701, making its movement process more stable and helping to improve the stability of the rubber mold.
[0027] Furthermore, a guide groove 11 is provided at the bottom of the upper mold base 1. The guide groove 11 is connected to the interior of several sets of through grooves 5. The rubber material is injected into the interior of the guide groove 11 through the injection port 3. Then the rubber material flows along the guide groove 11 until it reaches the interior of the through groove 5. Then it can flow into the interior of the molding cavity 703. By bringing the two sets of movable plates 701 close to each other, the rubber material can be extruded and molded.
[0028] Furthermore, the bottom of the upper mold base 1 is provided with several sets of protrusions 12. The bottom of the protrusions 12 is slidably connected to the top of the limiting block 10. By setting the protrusions 12, the movable plate 701 is limited, which prevents it from shaking or even shifting during its movement, and helps to further improve the stability of the rubber mold.
[0029] In addition, a positioning pin 13 is inserted inside the upper mold base 1. The bottom of the positioning pin 13 passes through the lower mold base 2 and is connected to a locking block. The positioning pin 13 can lock the upper mold base 1 and the lower mold base 2 together. The positioning pin 13 is a precision positioning element. It uses the workpiece hole as the positioning reference and can effectively control the linear motion of the object in the X, Y, and Z axes, as well as the rotational motion around these three axes, for a total of six degrees of freedom. The positioning pin 13 can ensure the precise alignment of adjacent parts of the mold, thereby ensuring the overall accuracy of the mold and the quality of the product. The positioning pin 13 must be able to withstand the pressure and friction when the mold is closed, and have good wear resistance and corrosion resistance. The high-precision positioning pin 13 can ensure the precise alignment of the mold. The size and shape of the positioning pin 13 must match the design of the mold to ensure that it can be stably fixed on the mold.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automatic mold closing mechanism for rubber molds, comprising an upper mold holder (1), characterized in that: The lower part of the upper die seat (1) is provided with a lower die seat (2), the top of the upper die seat (1) is fixedly embedded with a glue injection port (3), the bottom of the upper die seat (1) is fixedly connected with an upper die core (4), the inside of the upper die core (4) is provided with a plurality of groups of through grooves (5), the top of the lower die seat (2) is fixedly connected with a lower die core (6), the top of the lower die core (6) is provided with two groups of forming assemblies (7), and the side walls of the lower die seat (2) are respectively provided with mold closing assemblies (8) for adjusting the distance between the two groups of forming assemblies (7).
2. The rubber mold slide automatic mold closure mechanism of claim 1, wherein: The mold closing assembly (8) comprises a fixed plate (801), the fixed plate (801) is fixedly connected to one side wall of the lower die seat (2), a plurality of guide grooves (802) are formed in one side wall of the fixed plate (801), and the end of the forming assembly (7) is slidably connected to the inside of the guide groove (802).
3. The rubber mold slide automatic mold closure mechanism of claim 2, wherein: The forming assembly (7) comprises a movable plate (701), the two ends of the movable plate (701) are respectively fixedly connected with guide columns (702) matched with the guide grooves (802), the ends of the guide columns (702) are slidably connected to the inside of the guide grooves (802), and a plurality of groups of plastic cavities (703) are formed in one side wall of the movable plate (701).
4. The rubber mold slide automatic mold closure mechanism of claim 3, wherein: The bottom of the movable plate (701) is provided with a limiting groove (9), the top of the lower die core (6) is fixedly connected with a limiting block (10) matched with the limiting groove (9), and the limiting block (10) is slidably inserted into the inside of the limiting groove (9).
5. The rubber mold slide automatic mold closure mechanism of claim 1, wherein: The bottom of the upper die seat (1) is provided with a material guide groove (11), and the material guide groove (11) is in communication with the inside of the plurality of groups of through grooves (5).
6. The rubber mold slide automatic mold closure mechanism of claim 4, wherein: The bottom of the upper die seat (1) is provided with a plurality of groups of protrusions (12), and the bottom of the protrusion (12) is slidably connected with the top of the limiting block (10).
7. The rubber mold slide automatic mold closure mechanism of claim 1, wherein: The inside of the upper die seat (1) is inserted with a positioning pin (13), the bottom of the positioning pin (13) penetrates the lower die seat (2) and is connected with a locking block.