Double-row pen hanger injection mold
By designing a double-row pen holder injection mold, we were able to efficiently produce 64 pen holders, solving the problems of difficult demolding and low efficiency of traditional molds. The combination of nitrogen springs and neodymium iron boron strong magnets ensured the stability of the mold and production efficiency.
Patent Information
- Application Number
- CN202520205167.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing pen holder molding molds are prone to product compression or mold deformation during demolding, resulting in low production efficiency and low utilization rate of traditional mold design.
It adopts a double-row pen-hanging injection mold with a double-row 64-cavity structure, combined with a four-point manifold and hot nozzle feeding. It uses nitrogen springs and neodymium iron boron strong magnets in combination. The radial separation of the mold cavity is achieved through the slide and guide block, and the demolding is assisted by an external robot.
It improved production efficiency, reduced production costs, avoided frequent maintenance, and ensured the stability of the mold and the quality of the product.
Smart Images
Figure CN223630875U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, concretely relates to a double row pen hanging injection mold. BACKGROUND
[0002] Injection mold is a kind of tool for producing plastic product, and is also the tool for giving plastic product complete structure and accurate size.Injection molding is a kind of processing method used when mass producing some complex-shaped parts, which refers to the process that hot molten material is injected into the mold cavity formed by the dynamic mold and static mold, the mold is cooled first by the cooling liquid in the cooling channel set around the mold cavity, then the material in the mold cavity is cooled and solidified, and finally the dynamic mold is driven to separate from the static mold to obtain the injection molding product.
[0003] The existing pen hanging forming mold usually sets the mold cavity plate on the dynamic mold or static mold, and the forming product is ejected by ejector rod after parting, but based on the fact that the pen hanging itself is a long strip with a hanging rod structure, such setting can cause product compression during demolding, or frequent maintenance by workers when stopping injection molding, or mold deformation or product batch damage, which is not conducive to improving product quality and production efficiency.In addition, the traditional pen hanging injection mold usually adopts single-row, 16-cavity and 20-cavity whole block half cavity design, which has low production efficiency, and the utilization rate and space occupancy rate of the mold are not ideal. UTILITY MODEL CONTENT
[0004] In view of the prior art, the purpose of the utility model is to provide a double row pen hanging injection mold, which successfully establishes a double row 64-cavity injection mold structure, and can produce multiple pens at a time, significantly improving production efficiency and reducing production cost.
[0005] In order to achieve the above purpose, the utility model adopts the technical scheme of a double row pen hanging injection mold, which comprises a base plate, a dynamic mold and a static mold, four-point distribution plates and four groups of hot nozzles are arranged in the base plate, a cavity plate for forming a mold cavity and an inner core pulling rod are arranged on the dynamic mold and the static mold, the cavity plate is divided into a dynamic plate and a static plate, the dynamic plate is fixed with the dynamic mold, and the dynamic plate is separated from the static plate by the dynamic mold.
[0006] As a further setting of the above scheme, a separation plate for forming a flow channel with the dynamic plate and the static plate is further arranged on the cavity plate, and the separation plate is fixed with the base plate.
[0007] As a further setting of the above scheme, a sliding plate is fixed on the dynamic mold, a sliding groove is arranged on the sliding plate, a guide block is arranged on the dynamic plate and slides in the sliding groove, and when the dynamic mold is parted from the static mold, the dynamic plate is separated from the static plate by the guide block and the sliding groove.
[0008] As a further setting of the above scheme, the four-point distribution plate is connected with four groups of hot nozzles, and each group of hot nozzles corresponds to a group of cavity plates, and each group of cavity plates is provided with sixteen pen hanging forming cavities.
[0009] As a further setting of the above scheme, the nitrogen spring and the neodymium-iron-boron strong magnet are further arranged between the movable die and the static die.
[0010] Beneficial effects: the mold of the utility model discloses a double-row model cavity, sets up an X-shaped four-point distribution plate, and the mold cavity connected with four groups of hot nozzles is independently fed, and 64 pen hangings are formed by one-time injection molding, and the production efficiency is high, and by the way that the runner is milled on the separation plate and the static plate, the injection molding waste is exposed outside when the mold separation plate is separated from the static plate, an external mechanical hand is conveniently inserted to clamp the waste, and the waste is pulled out of the mold and separated, in addition, the cavity plate is composed of a movable plate and a static plate, and the pen hanging mold cavity is radially separated, so that the formed pen hanging is exposed, the mold pressing caused by the separation of products is effectively prevented, frequent maintenance is avoided, and in addition, the mold of the embodiment adopts the mold opening design of nitrogen spring + neodymium-iron-boron strong magnet cooperation, which is more stable than the traditional spring mold opening design, and the spring does not need to be replaced. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a double-row pen hanging injection mold structure schematic view of the utility model.
[0012] Figure 2 It is a double-row pen hanging injection mold internal structure schematic view of the utility model.
[0013] Figure 3 It is a static die internal structure schematic view of the utility model.
[0014] Figure 4 It is a mold cavity structure schematic view of the utility model.
[0015] Figure 5 It is a cavity plate structure schematic view of the utility model.
[0016] Figure 6 It is a cavity plate and sliding plate structure schematic view of the utility model.
[0017] The drawings show that: 1, base plate, 11, four-point distribution plate, 12, hot nozzle, 2, movable die, 3, static die, 31, nitrogen spring, 32, neodymium-iron-boron strong magnet, 4, mold cavity, 5, cavity plate, 51, movable plate, 52, static plate, 53, inner core-pulling rod, 6, sliding plate, 61, sliding groove, 7, runner, 8, separation plate. DETAILED DESCRIPTION
[0018] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be described in further detail below with reference to the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other in the case of no conflict.
[0019] As shown in Figures 1-6 The double-row pen hanging injection mold comprises a base plate 1, a movable mold 2 and a static mold 3, four-point distribution plates 11 and four groups of hot nozzles 12 are arranged in the base plate 1, a cavity plate 5 for forming a mold cavity 4 and an inner core pulling rod 53 are arranged on the movable mold 2 and the static mold 3, the cavity plate 5 is divided into a movable plate 51 and a static plate 52, the movable plate 51 is fixed with the movable mold 2 and is separated from the static plate 52 by the movable mold 2.
[0020] As a further arrangement of the above-mentioned scheme, the cavity plate 5 is further provided with a separation plate 8 for forming a flow channel 7 with the movable plate 51 and the static plate 52, and the separation plate 8 is fixed with the base plate 1.
[0021] As a further arrangement of the above-mentioned scheme, the movable mold 2 is fixed with a sliding plate 6, the sliding plate 6 is provided with a sliding groove 61, the movable plate 51 is provided with a guide block which slides in the sliding groove 61, and the movable mold 2 is separated from the static mold 3, and the movable plate 51 is separated from the static plate 52 by the guide block and the sliding groove 61.
[0022] As a further arrangement of the above-mentioned scheme, the four-point distribution plate 11 is connected with the four groups of hot nozzles 12, and the four groups of hot nozzles 12 correspond to one group of cavity plates 5 respectively, and each group of the cavity plates 5 is provided with sixteen pen hanging forming mold cavities 4.
[0023] As a further arrangement of the above-mentioned scheme, the movable mold 2 and the static mold 3 are further provided with a nitrogen spring 31 and a neodymium-iron-boron strong magnet 32.
[0024] Referring to Figure 1 and 2 The mold structure of the present application is provided with four groups of hot nozzles 12, and each group of the hot nozzles 12 is independently supplied by a four-point distribution plate 11, and each group of the hot nozzles 12 is provided with an independent mold cavity 4, as shown in Figure 2The shown group of mold cavities 4 is formed by the moving plate 51 and the static plate 52, and the sixteen pen hanging forming mold cavities 4 are formed by milling the lower half runner 7 on the static plate 52 and the upper half runner 7 on the stripping plate 8, when the mold is separated, the stripping plate 8 and the moving plate 51 are separated from the static mold 3 along with the moving mold 2, so that the 64 pen hanging and the injection molding waste in the mold cavity 4 are exposed, and the external mechanical hand can conveniently enter to clamp the waste and separate it, in addition, the cavity plate 5 is formed by the moving plate 51 and the static plate 52, the moving plate 51 is separated radially from the pen hanging mold cavity 4 under the cooperation of the slide 6, the inclined slide groove 61 and the guide block 62, etc., so that the mold cavity 4 is exposed, the moving mold 2 is smoothly separated from the static mold 3, the formed pen hanging is exposed, and the mold is effectively prevented from being separated and not dropped, and frequent maintenance is avoided.
[0025] Reference Figure 2 And 6 The mold of the embodiment shown is provided with a slide 6, the slide 6 is provided with a slide groove 61, and a guide block 62 sliding in the slide groove 61 is further provided, as shown in Figure 6 One of the guide blocks 62 is fixed on the static plate 52 of the static mold 3, is embedded in the corresponding slide groove 61 of the slide 6, and the other guide block 62 on the slide 6 is matched and fixed on the moving plate 51, when the moving plate 51 moves along with the moving mold 2 relative to the static mold 3, the moving plate 51 is guided along the radial separation of the pen hanging.
[0026] Further, as shown in Figure 2 And 3 The mold of the embodiment is designed by cooperating the nitrogen gas spring 31 and the neodymium iron boron strong magnet 32, which is more stable than the traditional spring opening mold design, and the spring does not need to be replaced.
[0027] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model scheme and its equivalent technology, the utility model also intends to include these modifications and variations.
Claims
1. A two-row pen hanging injection mold comprising a base plate (1), a moving mold (2) and a stationary mold (3), characterized in that: The four-point shunt plate (11) and four groups of hot nozzles (12) are arranged in the base plate (1), the cavity plate (5) and the inner core pulling rod (53) are arranged on the movable die (2) and the static die (3) and are used for constituting the mold cavity (4), the cavity plate (5) is divided into the movable plate (51) and the static plate (52), the movable plate (51) is fixed with the movable die (2) and is separated from the static plate (52) by the movable die (2).
2. The double-row pen hanging injection mold according to claim 1, characterized in that: The disengagement plate (8) is further arranged on the cavity plate (5) and is used for forming the flow channel (7) with the movable plate (51) and the static plate (52), and the disengagement plate (8) is fixed with the base plate (1).
3. The double row pen hanger injection mold of claim 1, wherein: The slide plate (6) is fixed on the movable die (2), the slide groove (61) is arranged on the slide plate (6), the guide block is arranged on the movable plate (51) and slides in the slide groove (61), and the movable plate (51) is separated from the static plate (52) by the guide block and the slide groove (61) when the movable die (2) is separated from the static die (3).
4. The dual-cavity pen-holding injection mold of claim 1, wherein: The four-point shunt plate (11) is connected with the four groups of hot nozzles (12), the four groups of hot nozzles (12) correspond to one group of cavity plates (5) respectively, and each group of the cavity plates (5) is provided with sixteen pen hanging forming mold cavities (4).
5. The dual row pen hanger injection mold of claim 1, wherein: The nitrogen gas spring (31) and the neodymium-iron-boron strong magnet (32) are further arranged between the movable die (2) and the static die (3).