Injection mold with free reset mechanism
By designing an injection mold with a free reset mechanism, and utilizing a rotating structure and a spiral locking structure, the problem of inconvenient lubrication of the reset rod and reset spring is solved, ensuring the normal operation and service life of the mold.
Patent Information
- Application Number
- CN202520099401.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-16
AI Technical Summary
The existing injection mold reset mechanism is inconvenient to lubricate the reset rod and reset spring regularly during use, which affects the working effect.
An injection mold with a free reset mechanism was designed. Through a rotating structure and a spiral locking structure, the reset rod and reset spring can be lubricated periodically. The mold includes a combination of a fixed plate, a rotating rod, a connecting rod, a screw, a rotating block, a bolt, and a spiral cap to achieve the rotation and disassembly of the reset rod.
This ensures the normal operation of the injection mold reset mechanism, guarantees the lubrication of the reset rod and reset spring, and improves the mold's efficiency and lifespan.
Smart Images

Figure CN223750134U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, concretely is an injection mold with free reset mechanism. BACKGROUND
[0002] Injection mold is a special tool for plastic injection molding process, it injects the heated molten plastic into the mold cavity, obtains the finished product after cooling, solidification, it is widely used in the production of plastic parts and products, especially suitable for mass production of products with complex geometry and high precision requirement. In the use process of injection mold, in order to ensure that the ejection structure can return to the initial position quickly and accurately, so using free reset mechanism ensures that injection mold can be recycled.
[0003] And the reset mechanism in the use process, the elastic force of reset spring and the forced force of auxiliary mechanism ensure that the ejection assembly can be accurately and quickly returned in the injection cycle, and the existing reset mechanism in the use process is inconvenient to lubricate the reset rod and reset spring regularly, thereby easily affecting the working effect of the reset mechanism. Therefore, an injection mold with free reset mechanism is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of injection molds with free reset mechanism, to solve the problem that the existing reset mechanism in the use process is inconvenient to lubricate reset rod and reset spring regularly in the background art, thereby easily affecting the working effect of the reset mechanism.
[0005] To achieve the above object, the utility model provides the following technical scheme: an injection mold with free reset mechanism, including left mold, the left mold is correspondingly provided with right mold on one side, the left mold is opened in through hole, and top needle is inserted in through hole, the right mold is opened in injection hole, and nozzle is arranged at injection hole, the left mold is provided with reset rod in inside, and reset spring is arranged on the outside of reset rod, the left mold is provided with multiple fixed blocks on one side outer wall, and rotating rod is inserted between fixed block, the rotating rod is provided with connecting rod on outer wall, and the other end of connecting rod is provided with fixed plate, the upper of fixed plate is inserted with screw rod on the left mold, and the other end of screw rod is screwed in fixed plate.
[0006] The reset rod is provided with spiral block at one end, and spiral block is screwed in rotating block, the rotating block is inserted in left mold, and screw bolt is screwed on rotating block and left mold.
[0007] Spiral groove is opened in the outer end of reset rod, and spiral cover is screwed in spiral groove.
[0008] Preferably, the fixed plate and the left mold constitute a rotating structure through a rotating rod and a connecting rod, and the fixed plate and the left mold constitute a screw locking structure through a screw rod.
[0009] Preferably, the reset rod and the rotating block constitute a screw locking structure through a screw block.
[0010] Preferably, the rotating block and the left mold constitute a rotating structure, and the rotating block and the left mold also constitute a screw locking structure through a screw bolt.
[0011] Preferably, the screw cover and the reset rod constitute a screw locking structure through a screw groove.
[0012] Compared with the prior art, the beneficial effects of the injection mold with the free reset mechanism are as follows: the fixed plate and the left mold constitute a rotating structure through a rotating rod and a connecting rod, and the fixed plate and the left mold constitute a screw locking structure through a screw rod, so that the fixed plate on the left mold can be moved through the rotating rod and the screw rod, and the reset assembly in the left mold can be lubricated regularly, the rotating block and the left mold constitute a rotating structure, and the rotating block and the left mold also constitute a screw locking structure through a screw bolt, so that the reset rod can work normally through the screw bolt, and the reset rod can be rotated as a whole through the rotating block, the screw cover and the reset rod constitute a screw locking structure through a screw groove, so that the reset rod can be rotated through the screw-installed screw cover, and the reset rod can be comprehensively lubricated subsequently. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a side view structural schematic diagram of the injection mold with the free reset mechanism.
[0014] Figure 2 It is a side view structural schematic diagram of the fixed plate assembly of the injection mold with the free reset mechanism.
[0015] Figure 3 It is a front view structural schematic diagram of the injection mold with the free reset mechanism.
[0016] Figure 4 It is a top view structural schematic diagram of the injection mold with the free reset mechanism.
[0017] In the figure: 1, left mold, 2, right mold, 3, injection hole, 4, through hole, 5, reset rod, 6, reset spring, 7, rotating rod, 8, connecting rod, 9, fixed plate, 10, screw rod, 11, rotating block, 12, screw bolt, 13, screw groove, 14, screw cover. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0019] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a injection mold with free reset mechanism, including left mould 1, left mould 1 is correspondingly provided with right mould 2 on one side, and the through hole 4 is opened in left mould 1, and needle is inserted in through hole 4, injection hole 3 is opened in right mould 2, and nozzle is equipped at injection hole 3, reset rod 5 is equipped in left mould 1, and reset spring 6 is equipped in the outside of reset rod 5, a plurality of fixed blocks are equipped on the outer wall of left mould 1, and rotating rod 7 is inserted between fixed block, rotating rod 7 is equipped with connecting rod 8 on the outer wall, and the other end of connecting rod 8 is equipped with fixed plate 9, screw rod 10 is inserted in left mould 1 above fixed plate 9, and the other end of screw rod 10 is screwed in fixed plate 9.
[0020] Further, fixed plate 9 is formed into rotating structure with left mould 1 by rotating rod 7 and connecting rod 8, and fixed plate 9 is formed into screw locking structure with left mould 1 by screw rod 10, so that fixed plate 9 is convenient for protecting reset structure, and fixed plate 9 assembly can be disassembled regularly to lubricate internal reset structure.
[0021] Reset rod 5 is equipped with spiral block on one end, and spiral block is screwed in rotating block 11, rotating block 11 is inserted in left mould 1, and screw bolt 12 is screwed on rotating block 11 and left mould 1.
[0022] Further, reset rod 5 is formed into screw locking structure with rotating block 11 by spiral block, so that spiral block is convenient for installing reset rod 5 whole assembly.
[0023] Further, rotating block 11 is formed into rotating structure with left mould 1, and rotating block 11 is also formed into screw locking structure with left mould 1 by screw bolt 12, so that rotating block 11 ensures that reset rod 5 can rotate as a whole to be lubricated subsequently.
[0024] Spiral groove 13 is opened in the outer end of reset rod 5, and spiral cover 14 is screwed in spiral groove 13.
[0025] Further, spiral cover 14 is formed into screw locking structure with reset rod 5 by spiral groove 13, so that spiral cover 14 is conveniently driven to rotate as a whole to be lubricated comprehensively by screwing.
[0026] Working principle: in the use of injection mold with free reset mechanism, first in the normal use of injection mold, can be through the screw rod 10 to the fixed plate 9 screw limit, in order to through the fixed plate 9 to the reset structure protection, at the same time can be through the bolt 12 to the rotating block 11 screw limit, in order to ensure that the reset structure can normally work, in the use of injection mold if need to regularly lubricate the reset structure can be through the screw rod 10 to take out, in order to through the rotating rod 7 drive fixed plate 9 to rotate outward, so as to facilitate the lubrication operation to the reset structure inside the left mold 1, in the reset structure lubrication process can be screw cover 14 screw installed on the reset rod 5, in order to subsequent through screw cover 14 drive reset rod 5 to rotate, then can be through the screw bolt 12 to take off, thus through the rotating block 11, screw cover 14 can drive reset rod 5 whole assembly to rotate, in order to lubricate the whole reset structure, in order to ensure the working effect of reset structure in injection mold, this is the use process of the injection mold with free reset mechanism.
[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An injection mold with a free reset mechanism, comprising a left mold (1) corresponding to a right mold (2) on one side, a through hole (4) is formed on the left mold (1), and a ejector pin is inserted into the through hole (4), an injection hole (3) is formed on the right mold (2), and a nozzle is arranged at the injection hole (3), characterized in that: The left mold (1) is internally provided with a reset rod (5), and the reset rod (5) is externally provided with a reset spring (6), the left mold (1) is provided with a plurality of fixed blocks on one side wall, and the fixed blocks are inserted with a rotating rod (7), the rotating rod (7) is provided with a connecting rod (8) on the outer wall, and the other end of the connecting rod (8) is provided with a fixed plate (9), the upper part of the fixed plate (9) is inserted with a screw rod (10) on the left mold (1), and the other end of the screw rod (10) is screwed into the fixed plate (9); The reset rod (5) is provided with a spiral block at one end, and the spiral block is screwed into the rotating block (11), the rotating block (11) is inserted into the left mold (1), and the rotating block (11) and the left mold (1) are screwed with a bolt (12); The reset rod (5) is externally provided with a spiral groove (13), and the spiral groove (13) is screwed with a spiral cover (14).
2. An injection mold having a free return mechanism according to claim 1, characterized in that: The fixed plate (9) is rotatably connected with the left mold (1) through the rotating rod (7) and the connecting rod (8), and is screwedly locked with the left mold (1) through the screw rod (10).
3. An injection mold having a free return mechanism according to claim 1, characterized in that: The reset rod (5) is screwedly locked with the rotating block (11) through the spiral block.
4. An injection mold having a free return mechanism according to claim 1, characterized in that: The rotating block (11) is rotatably connected with the left mold (1), and is screwedly locked with the left mold (1) through the bolt (12).
5. An injection mold having a free return mechanism according to claim 1, characterized in that: The spiral cover (14) is screwedly locked with the reset rod (5) through the spiral groove (13).