Injection mold with plug-in type glue feeding structure
By designing an injection mold with a plug-in gate structure, and using a U-shaped runner and a straight top structure, the problem of interference at the gate of the handbrake cover mold was solved, achieving smooth plastic flow and interference-free demolding.
Patent Information
- Application Number
- CN202520103550.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-16
AI Technical Summary
When manufacturing the mold for the handbrake cover, if the injection port is located on the side end face of the product, it is easy for it to interfere with the small space of multiple clips. Using the angled injection method can easily cause interference.
Design an injection mold with an interlocking injection structure, using a U-shaped runner and a straight ejector structure, combined with a core-pulling component and an angled ejector component, to ensure smooth flow of the plastic fluid and avoid interference during mold opening.
It enables smooth flow of plastic fluid and interference-free demolding process, improving mold efficiency and product quality.
Smart Images
Figure CN223803000U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mould, especially, relate to a kind of injection mould of plug-in type glue feeding structure. BACKGROUND
[0002] As Figure 1 、 Figure 2 As shown in a kind of hand brake cover plate, including cover plate body, the middle of the cover plate body is provided with hand brake slot, the top surface and side end surface of the cover plate body are decorative surface, and are provided with decorative lines, the bottom surface of the cover plate body is mounting surface, and is provided with a plurality of buckle one and buckle two, the buckle one forms inverted buckle one, and the buckle two forms inverted buckle two.
[0003] When the mould of the above-mentioned hand brake cover plate is manufactured, the glue inlet can usually be set only on the side end surface of product, because the top surface of the cover plate body is decorative surface, thus it needs to use inclined top glue feeding mode to ensure that plastic solution does not produce jet flow, but the above-mentioned cover plate body buckle is more, and the space is smaller, and using inclined top glue feeding is prone to interference. INVENTION CONTENTS
[0004] Therefore, the utility model aims at providing a kind of injection mould of plug-in type glue feeding structure, which ensures the advantage of inclined top glue feeding without interference.
[0005] In order to solve the above technical problem, the technical scheme of the utility model is: a kind of injection mould of plug-in type glue feeding structure, including top plate, upper die, lower die, ejection plate and bottom plate, the cavity is provided between the upper die and lower die, the glue inlet runner is set in the upper die, the glue inlet top block is also provided in the bottom of the upper die, the glue inlet groove is also provided in the top of the lower die, the U-shaped runner is formed between the glue inlet top block and the glue inlet groove, one end of the U-shaped runner is communicated with the cavity, and the other end is communicated with the glue inlet runner.
[0006] Through the above technical means, the U-shaped runner is formed by the cooperation of the glue inlet and the glue inlet top block, so as to reduce the phenomenon of plastic fluid jet flow, and the glue inlet can be exposed by opening mould, and the glue inlet can be ejected by straight top.
[0007] Preferably, the side of the glue inlet top block is provided with inclined guide surface, and the U-shaped runner bottom is also provided with ejection rod.
[0008] Through the above technical means, the glue inlet top block is better separated from the glue inlet by the inclined guide surface when opening mould.
[0009] Preferably, the lower die is also provided with core-pulling assembly and inclined top assembly, the core-pulling assembly is used for forming inverted buckle one, and the inclined top assembly is used for forming inverted buckle two.
[0010] Through the above technical means, the core-pulling assembly and the inclined top assembly make the cover plate body not interfere when ejecting.
[0011] Preferably, the upper die bottom is further provided with an air groove, the air groove forms a air exhaust channel with the lower die, the air exhaust channel communicates with the cavity and the core pulling assembly.
[0012] Through the above technical means, the air in the cavity can be exhausted when the mold is injection molding, and the core pulling assembly and the cover body will not produce a large negative pressure when the core is pulled.
[0013] Preferably, the core pulling assembly comprises a core pulling block and a power rod, the core pulling block is slidingly arranged on the lower die and is provided with a power hole, the power rod is fixedly arranged on the upper die, the power rod is inclined and slidingly arranged in the power hole, and the end of the core pulling block is provided with a die head for forming a buckle one.
[0014] Through the above technical means, the core pulling is automatically completed when the upper die and the lower die are separated by the cooperation of the power rod and the power hole.
[0015] Preferably, the inclined ejector assembly comprises an inclined ejector block and an inclined ejector rod, the inclined ejector block is fixedly arranged at the top of the inclined ejector rod, and a hinge is further arranged between the bottom of the inclined ejector rod and the ejection plate.
[0016] Through the above technical means, the inclined ejector block is inclined and ejected upward, thereby completing the demolding of the reverse buckle two.
[0017] Preferably, the hinge comprises a base, a sliding block and a hinge block, the base is provided with a sliding groove, the sliding block is slidingly arranged in the sliding groove, and the hinge block is hingedly arranged on the sliding block.
[0018] Through the above technical means, the sliding block and the sliding groove are cooperated, and the hinge block is hingedly arranged on the sliding block, so that the inclined ejector block is inclined and ejected. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 Structure diagram of the cover body Figure 1 ;
[0020] Figure 2 Structure diagram of the cover body Figure 2 ;
[0021] Figure 3 Structure diagram of the embodiment
[0022] Figure 4 Sectional view of the embodiment
[0023] Figure 5 A schematic view of Figure 4 ;
[0024] Figure 6Structure diagram of the upper die;
[0025] Figure 7 Structure diagram of the lower die;
[0026] Figure 8 Structure diagram of the inclined ejector block and the hinge.
[0027] Fig. 1 is a top plate; Fig. 2 is an upper die; Fig. 3 is a lower die; Fig. 4 is an ejection plate; Fig. 5 is a bottom plate; Fig. 6 is a cavity; Fig. 7 is a gate runner; Fig. 8 is a gate top block; Fig. 9 is a gate groove; Fig. 10 is a U-shaped runner; Fig. 11 is an inclined guide surface; Fig. 12 is an ejection rod; Fig. 13 is a core-pulling assembly; Fig. 14 is an inclined ejector assembly; Fig. 15 is an air groove; Fig. 16 is a core-pulling block; Fig. 17 is a power rod; Fig. 18 is a power hole; Fig. 19 is an inclined ejector block; Fig. 20 is an inclined ejector rod; Fig. 21 is a hinge; Fig. 22 is a base; Fig. 23 is a sliding block; Fig. 24 is a hinge block; Fig. 25 is a sliding groove; Fig. 90 is a cover body; Fig. 91 is a hand brake groove; Fig. 92 is a buckle one; Fig. 93 is a buckle two; Fig. 94 is a reverse buckle one; Fig. 95 is a reverse buckle two. DETAILED DESCRIPTION
[0028] The specific embodiments of the utility model are further described in detail below in combination with the drawings, so that the technical scheme of the utility model is easier to understand and master.
[0029] The injection mold with the plug-in type glue feeding structure comprises a top plate 1, an upper die 2, a lower die 3, an ejection plate 4 and a bottom plate 5, a cavity 6 is arranged between the upper die 2 and the lower die 3, a gate runner 7 is arranged in the upper die 2, a gate top block 8 is further arranged at the bottom of the upper die 2, a gate groove 9 is further arranged at the top of the lower die 3, a U-shaped runner 10 is formed between the gate top block 8 and the gate groove 9, one end of the U-shaped runner 10 is communicated with the cavity 6, and the other end of the U-shaped runner 10 is communicated with the gate runner 7, so that the phenomenon of plastic fluid jet flow is reduced, the gate can be exposed by opening the mold, and the gate can be ejected by straight ejection.
[0030] An inclined guide surface 11 is arranged on one side of the gate top block 8, the gate top block 8 is better separated from the gate during mold opening through the inclined guide surface 11, and an ejection rod 12 is further arranged at the bottom of the U-shaped runner 10, and the ejection rod 12 is fixedly connected with the ejection plate 4.
[0031] A core-pulling assembly 13 and an inclined ejector assembly 14 are further arranged on the lower die 3, the core-pulling assembly 13 is used for forming a reverse buckle one 94, the inclined ejector assembly 14 is used for forming a reverse buckle two 95, an air groove 15 is further arranged at the bottom of the upper die 2, the air groove 15 forms a degassing runner with the lower die 3, the degassing runner is communicated with the cavity 6 and the core-pulling assembly 13, air in a cavity can be discharged when the mold is used for injection molding through the degassing runner, and a large negative pressure is not generated between the core-pulling assembly 13 and the cover body 90 when the core-pulling assembly 13 is used for core pulling.
[0032] The core-pulling assembly 13 comprises a core-pulling block 16 and a power rod 17, the core-pulling block 16 is slidingly arranged on the lower die 3 and is pressed by the pressing plate at both ends, the core-pulling block 16 is provided with an inclined power hole 18, the power rod 17 is fixedly arranged on the upper die 2 and is also inclined and slidingly arranged in the power hole 18, the end of the core-pulling block 16 is provided with a die head for forming a buckle 92, the die head forms an inverted buckle 94, and automatic core-pulling is completed when the upper die 2 is separated from the lower die 3.
[0033] The inclined ejector assembly 14 comprises an inclined ejector block 19 and an inclined ejector rod 20, the inclined ejector block 19 is fixedly arranged on the top of the inclined ejector rod 20, and a hinge 21 is arranged between the bottom of the inclined ejector rod 20 and the ejector plate 4, the inclined ejector block 19 is inclined upward to be ejected, thereby completing demolding at the inverted buckle 95, the hinge 21 comprises a base 22, a sliding block 23 and a hinge block 24, the base 22 is provided with a sliding groove 25, the sliding block 23 is slidingly arranged in the sliding groove 25, and the hinge block 24 is hingedly arranged on the sliding block 23, when the ejector plate 4 is gradually ejected, the inclined ejector rod 20 slides with the sliding block 23, and the hinge block 24 rotates.
[0034] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.
Claims
1. A structure of injection mold for in-line glue feeding, comprising a top plate (1), an upper mold (2), a lower mold (3), an ejection plate (4) and a bottom plate (5), a cavity (6) is arranged between the upper mold (2) and the lower mold (3), a glue port runner (7) is arranged in the upper mold (2), characterized in that: The upper die (2) bottom is further provided with a glue port top block (8), the lower die (3) top is further provided with a glue port groove (9), the glue port top block (8) and the glue port groove (9) form a U-shaped runner (10), one end of the U-shaped runner (10) is communicated with the cavity (6), and the other end is communicated with the glue port runner (7).
2. The structure of the injection mold according to claim 1, characterized in that: The glue port top block (8) is provided with an inclined guide surface (11) on one side, and the U-shaped runner (10) bottom is further provided with an ejection rod (12).
3. The structure of the injection mold according to claim 1, characterized in that: The lower die (3) is further provided with a core pulling assembly (13) and an inclined top assembly (14), the core pulling assembly (13) is used for forming a first reverse buckle (94), and the inclined top assembly (14) is used for forming a second reverse buckle (95).
4. The structure of the injection mold according to claim 3, characterized in that: The upper die (2) bottom is further provided with a gas groove (15), the gas groove (15) and the lower die (3) form a gas discharge runner, and the gas discharge runner is communicated with the cavity (6) and the core pulling assembly (13).
5. The structure of the injection mold of claim 3, characterized in that: The core pulling assembly (13) includes a core pulling block (16) and a power rod (17), the core pulling block (16) is slidably arranged on the lower die (3) and is provided with a power hole (18), the power rod (17) is fixedly arranged on the upper die (2), the power rod (17) is arranged in an inclined manner and slides in the power hole (18), and an end of the core pulling block (16) is provided with a die head for forming a first buckle (92).
6. The structure of the injection mold of claim 3, characterized in that: The inclined top assembly (14) includes an inclined top block (19) and an inclined top rod (20), the inclined top block (19) is fixedly arranged on the top of the inclined top rod (20), and a hinged piece (21) is further arranged between the bottom of the inclined top rod (20) and the ejection plate (4).
7. The structure of the injection mold of claim 6, characterized in that: The hinged piece (21) includes a base (22), a sliding block (23) and a hinged block (24), the base (22) is provided with a sliding groove (25), the sliding block (23) is slidably arranged in the sliding groove (25), and the hinged block (24) is hingedly arranged on the sliding block (23).