Efficient injection mold
By designing flexible injection molds, including positioning units, sealing mechanisms and heat dissipation units, the problems of difficult to change the size of the injection mold, poor sealing performance and insufficient heat dissipation function are solved, efficient injection molding and rapid cooling are achieved, and production efficiency and product quality are improved. .
Patent Information
- Application Number
- CN202420787163.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-16
AI Technical Summary
Modern injection molds lack flexibility, are difficult to change their size, and have poor sealing performance, resulting in high production costs, poor product quality and insufficient heat dissipation function.
A high-efficiency injection mold is designed, including base, lower mold, core and upper mold, using positioning unit, sealing mechanism and heat dissipation unit, through components such as guide columns, arc springs, sealing gaskets, radiators and heating wires. , realizes rapid positioning, sealing and heat dissipation of the mold.
It realizes rapid injection molding and efficient heat dissipation of molds, improves production efficiency, reduces production costs, and ensures product quality and market application value.
Smart Images
Figure CN222271079U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of injection molding product processing, and in particular to a high-efficiency injection molding mold. Background Art
[0002] Injection mold is a tool for producing plastic products, and also a tool for giving plastic products a complete structure and precise size. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and melted plastic into the mold cavity under high pressure by an injection molding machine, and obtaining a molded product after cooling and solidification.
[0003] The processing and molding of electrical housings requires the use of injection molds. Modern injection molds have many defects. For example, modern molds generally have only one fixed mold cavity. If the size needs to be changed, a different injection mold is required, which increases production costs. In addition, modern injection molds have poor sealing performance. During the injection molding process, air can easily enter the mold cavity, thus affecting product quality, and the injection molding heat dissipation function is poor.
[0004] The existing technology has defects and needs to be improved. Utility Model Content
[0005] In order to solve the defects existing in the current technology, the utility model provides a high-efficiency injection mold.
[0006] The utility model provides a technical document, a high-efficiency injection mold, including a base, a lower mold, a mold core and an upper mold, a lower mold is installed in the middle of the upper surface of the base, the periphery of the upper surface of the lower mold passes through the mold core and is connected to the upper mold through a guide column, a positioning unit is installed in the upper mold, the positioning unit includes a pressing plate, a receiving groove, a movable plate, a roller shaft, a clamping groove, an arc-shaped spring sheet, a spring hole, a guide rod, a compression spring and a limit plate, two pressing plates are respectively installed on the lower surface of the upper mold, both ends of the two side surfaces of the pressing plate are provided with receiving grooves, one end of the storage groove is provided with a movable plate through a rotating shaft, the movable plates located on both sides of one end of the pressing plate are connected through a roller shaft, a clamping groove is opened in the middle of the top surface of the movable plate, one end of the clamping groove is welded with an arc spring sheet, both ends of the top surface of the pressing plate are provided with spring holes, guide rods are welded inside the spring holes, the middle part of the guide rod is sleeved with a compression spring, the guide rod passes through the top surface of the movable template, and a limit plate is welded on the top of the guide rod.
[0007] Preferably, a non-slip rubber pad is bonded to the bottom end of the pressing plate, and the shape of the bottom surface of the non-slip rubber pad is the same as the shape of the bottom surface of the pressing plate.
[0008] Preferably, a plurality of mounting holes are arranged on the lower surface of the upper mold, a plurality of injection holes are arranged on the mold core, and a plurality of guide pillars are arranged on the upper surface of the lower mold.
[0009] Preferably, a plurality of groups of concave grooves are arranged on the lower surface of the mold core, and a plurality of groups of molding grooves are arranged on the upper surface of the lower mold, and the plurality of groups of concave grooves and the plurality of groups of molding grooves are used in combination.
[0010] Preferably, a plurality of fixed handles are provided around the mold core and the lower mold.
[0011] Preferably, a sealing mechanism is further provided between the mold core and the lower mold, and the sealing mechanism comprises a sealing gasket and a plurality of sealing rings, the sealing gasket is fixedly connected to the upper surface of the lower mold, and the plurality of sealing rings are evenly fixedly connected to the lower surface of the mold core.
[0012] Preferably, a heat dissipation unit is also provided in the lower mold, and the heat dissipation unit includes a radiator and a heat dissipation pipe. The radiator is provided in the lower mold, the heat dissipation pipe is embedded in the molding groove, and the radiator is connected to the heat dissipation pipe.
[0013] Preferably, a heater is further provided on the lower surface of the mold core, and the heater is connected to a heating wire, and the heating wire is arranged in the concave groove.
[0014] Preferably, an auxiliary groove is further provided on one side of the lower mold.
[0015] Compared with the beneficial effects of the prior art, the utility model positions the mold core and the lower mold through the positioning unit of the upper mold, so as to perform rapid injection molding, and then the heating wire in the mold core can be heated to prevent the molten plastic from solidifying prematurely. At the same time, a sealing gasket and a sealing ring are provided to ensure that no air enters the model during injection molding. After the injection molding is completed, the heat dissipation pipeline can be driven by the radiator to perform rapid cooling and molding, thereby improving production efficiency, and multiple injection molding cavities can meet the needs of multiple groups of injection molding and multiple productions, with high injection molding quality and low cost; it has good market application value. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the positioning unit structure of the utility model.
[0018] Markings: base 1, lower mold 2, mold core 3, positioning unit 4, upper mold 5, multiple mounting holes 6, multiple injection holes 7, multiple guide pillars 8, multiple groups of concave grooves 9, multiple fixed handles 10, pressing plate 401, storage groove 402, movable plate 403, roller 404, card slot 405, arc-shaped spring sheet 406, spring hole 407, guide rod 408, compression spring 409 and limit plate 410. DETAILED DESCRIPTION
[0019] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.
[0020] In order to facilitate the understanding of the present invention, the present invention is described in more detail below in conjunction with the accompanying drawings and specific embodiments. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.
[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by technicians in the technical field of the utility model. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the utility model.
[0023] The utility model is described in detail below in conjunction with the accompanying drawings.
[0024] like Figure 1-Figure 2An embodiment shown: a high-efficiency injection mold, including a base 1, a lower mold 2, a mold core 3 and an upper mold 5, the lower mold 2 is installed in the middle of the upper surface of the base 1, the upper surface of the lower mold 2 is connected to the upper mold 5 through the mold core 3 through the guide column, and a positioning unit 4 is installed in the upper mold 5, and the positioning unit 4 includes a pressing plate 401, a receiving groove 402, a movable plate 403, a roller 404, a card slot 405, an arc spring sheet 406, a spring hole 407, a guide rod 408, a compression spring 409 and a limit sheet 410, and the two pressing plates 401 are respectively installed on the lower surface of the upper mold 5, and the two ends of the two side surfaces of the pressing plate 401 A receiving groove 402 is provided, and a movable plate 403 is installed at one end of the storage groove 402 through a rotating shaft. The movable plates 403 located on both sides of one end of the pressure plate 401 are connected through rollers 404. A slot 405 is provided in the middle of the top surface of the movable plate 403, and an arc spring piece 406 is welded at one end of the slot 405. Spring holes 407 are provided at both ends of the top surface of the pressure plate 401, and guide rods 408 are welded inside the spring holes 407. A compression spring 409 is sleeved in the middle of the guide rod 408. The guide rod 408 passes through the top surface of the movable template, and a limiting plate 410 is welded on the top of the guide rod 408.
[0025] It should be noted that when performing injection punching, the punching plate is fixed by the roller 404, the pressing plate 401 and the mold core 3, and the arc spring sheet 406, the compression spring 409 and the mold core 3 can absorb the impact and perform buffering, thereby reducing the vibration during the punching and molding process and improving the quality of the punching and injection molding.
[0026] The upper mold 5 is used to cooperate with the lower mold 2 to fix and seal the mold core 3, so that the plastic injected into the mold core 3 can be quickly punched and injection molded, and heat dissipation and temperature reduction treatment can be performed at the same time.
[0027] Preferably, a non-slip rubber pad is bonded to the bottom end of the pressing plate 401 , and the shape of the bottom surface of the non-slip rubber pad is the same as the shape of the bottom surface of the pressing plate 401 .
[0028] It should be noted that the anti-skid rubber pad is used to prevent the mold core 3 from vibrating or shaking during injection molding.
[0029] Preferably, a plurality of mounting holes 6 are disposed on the lower surface of the upper mold 5 , a plurality of injection holes 7 are disposed on the mold core 3 , and a plurality of guide pillars 8 are disposed on the upper surface of the lower mold 2 .
[0030] It should be noted that the multiple guide posts 8 on the lower mold 2 are vertically arranged upward and pass through the multiple injection holes 7 and are arranged in the multiple mounting holes 6;
[0031] The plurality of mounting holes 6 , the plurality of injection holes 7 , and the plurality of guide pillars 8 are all arranged in at least four groups.
[0032] Preferably, a plurality of groups of concave grooves 9 are arranged on the lower surface of the mold core 3, and a plurality of groups of molding grooves are arranged on the upper surface of the lower mold 2, and the plurality of groups of concave grooves 9 are used in conjunction with the plurality of groups of molding grooves.
[0033] It should be noted that the mold core 3 is replaced with a different injection mold core 3 according to different required models;
[0034] Furthermore, the lower mold 2 can also be replaced according to different injection molding models.
[0035] Preferably, a plurality of fixed handles 10 are provided around the mold core 3 and the lower mold 2 .
[0036] It should be noted that the fixed handle is used to assist in changing the mold and also allows for faster picking up of the finished injection molded product.
[0037] Preferably, a sealing mechanism is further provided between the mold core 3 and the lower mold 2 , and the sealing mechanism includes a sealing gasket and a plurality of sealing rings, the sealing gasket is fixedly connected to the upper surface of the lower mold 2 , and the plurality of sealing rings are evenly fixedly connected to the lower surface of the mold core 3 .
[0038] It should be noted that the sealing mechanism can better seal the mold, allowing it to form quickly and preventing air from entering and causing bubbles to form in the product.
[0039] Wherein, the radius of the sealing ring is smaller than the thickness of the sealing gasket.
[0040] Preferably, a heat dissipation unit is also provided in the lower mold 2, and the heat dissipation unit includes a radiator and a heat dissipation pipe. The radiator is provided in the lower mold 2, the heat dissipation pipe is embedded in the molding groove, and the radiator is connected to the heat dissipation pipe.
[0041] It should be noted that the radiator drives the heat dissipation pipe to quickly dissipate heat for the products formed in the injection mold, and the processing and production are fast.
[0042] Preferably, a heater is further provided on the lower surface of the mold core 3, and the heater is connected to a heating wire, and the heating wire is arranged in the concave groove.
[0043] It should be noted that the heating wire is provided in a spiral shape.
[0044] Preferably, one side of the lower mold 2 is further provided with an auxiliary groove.
[0045] It should be noted that the auxiliary groove is used to conveniently take out the injection molded product after molding.
[0046] It should be noted that the above-mentioned technical features are further combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the present utility model specification; and, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present utility model.
Claims
1. A high-efficiency injection mold, characterized in that: The cam is provided with a plurality of guide pins and a plurality of guide pins, and the guide pins are provided with a plurality of guide pins, and the guide pins are provided with a plurality of guide pins.
2. A high-efficiency injection mold according to claim 1, characterized in that: The bottom end of the pressing plate is bonded with an anti-skid rubber pad, and the bottom surface of the anti-skid rubber pad has the same shape as that of the bottom surface of the pressing plate.
3. A high-efficiency injection mold according to claim 1, characterized in that: A plurality of mounting holes are arranged on the lower surface of the upper mold, a plurality of injection holes are arranged on the mold core, and a plurality of guide pillars are arranged on the upper surface of the lower mold.
4. A high-efficiency injection mold according to claim 1, characterized in that: The lower surface of the mold core is provided with a plurality of groups of concave grooves, and the upper surface of the lower mold is provided with a plurality of groups of molding grooves, and the plurality of groups of concave grooves are used in conjunction with the plurality of groups of molding grooves.
5. A high-efficiency injection mold according to claim 1, characterized in that: A plurality of fixed handles are arranged around the mold core and the lower mold.
6. A high-efficiency injection mold according to claim 1, characterized in that: A sealing mechanism is also provided between the mold core and the lower mold, and the sealing mechanism includes a sealing gasket and a plurality of sealing rings. The sealing gasket is fixedly connected to the upper surface of the lower mold, and the plurality of sealing rings are evenly fixedly connected to the lower surface of the mold core.
7. A high-efficiency injection mold according to claim 1, characterized in that: The lower mold is also provided with a heat dissipation unit, the heat dissipation unit includes a radiator and a heat dissipation pipe, the radiator is provided in the lower mold, the heat dissipation pipe is embedded in the molding groove, and the radiator is connected to the heat dissipation pipe.
8. The high-efficiency injection mold according to claim 1, characterized in that: A heater is also provided on the lower surface of the mold core, and the heater is connected to a heating wire, and the heating wire is arranged in the concave groove.
9. The high-efficiency injection mold according to claim 1, characterized in that: An auxiliary groove is also provided on one side of the lower die.