Injection mold with replaceable mold

By designing the worktable, outer mold, and mold core components, and utilizing transmission components to enable convenient replacement of the mold core, the problems of the inability to replace the mold core and the failure of the return spring in existing injection molds are solved, thereby improving the flexibility and ease of use of the mold.

CN223720056UActive Publication Date: 2025-12-26CHONGQING TAIERTE PLASTIC MOLD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520189067.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-12-26
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing injection molds cannot replace the mold core, and the return spring is prone to losing elasticity after long-term use, which affects the replacement of the mold core.

Method used

The structure includes a worktable, outer mold, mold core, handle, slide rail, transmission assembly, sliding parts, support arm, and buckle plate. The transmission assembly drives the sliding parts and support arm to move, enabling convenient replacement of the mold core.

Benefits of technology

It enables convenient replacement of mold cores, solves the problem of difficult mold core replacement caused by loss of elasticity of return springs, and improves the flexibility and convenience of mold use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223720056U_ABST
    Figure CN223720056U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold with a replaceable mold, which comprises a workbench, an outer mold, a mold core part and a moving component, the moving component comprises a handle, a sliding rail, a transmission component, two sliding parts, two support arms, two fixing frames and a pinch plate, the outer mold is fixedly connected with the workbench, the mold core part is slidably connected with the outer mold, and the handle is fixedly connected with the outer mold. The handle and the sliding rail are arranged on the outer mold, one end of the transmission assembly is fixedly connected with the handle, the other end of the transmission assembly is rotatably connected with the sliding rail, the two sliding parts are slidably connected with the transmission assembly, each supporting arm is rotatably connected with the corresponding sliding part, one end of each fixing frame is rotatably connected with the corresponding supporting arm, and the other end of each fixing frame is rotatably connected with the corresponding sliding part. The other ends of the two fixing frames are fixedly connected with the buckle plate, the buckle plate is detachably connected with the mold core piece and located at one end of the mold core piece, and through the structural arrangement, the problem that due to long-time use of the aftertaste spring, elasticity is prone to losing, and mold core replacement is affected is solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a mold replaceable injection mold. BACKGROUND

[0002] Although the replaceable core type injection mold on the market is very various and numerous, most of the injection molds cannot replace the core, a mold can only produce and process a product, and the integral mold needs to be replaced after the injection cavity wears, which greatly limits the use range of the injection mold, and the use is not convenient and flexible enough.

[0003] To solve the above problems, the prior art CN210011256U provides a replaceable core type injection mold, which comprises an injection core, one end of the injection core is connected with a first mold plate, and a glue injection head is formed in the first mold plate, the other end of the injection core is fixedly provided with a second mold plate, and a sliding block is arranged on the side surface of the second mold plate, the other end of the sliding block is connected with a third mold plate, and the other end of the third mold plate is provided with a fourth mold plate, the other end of the fourth mold plate is connected with a return spring, and a positioning column is arranged on the return spring, the lower end of the positioning column is fixedly provided with a sixth mold plate, and the other end of the sixth mold plate is connected with a seventh mold plate; the internal diameter of the return spring of the replaceable core type injection mold is equal to the external diameter of the positioning column, so that the sixth mold plate, the seventh mold plate, the equal-height block and the positioning column can be assembled and fixed in sequence and then be sleeved with the return spring, and when the product is ejected by the ejector pin and the ejector rod, the return spring can push the lower end plate body to drive the ejector pin and the ejector rod to return.

[0004] However, in the above prior art, the return spring loses elasticity after long-term use, which affects the replacement of the core. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a mold replaceable injection mold, which solves the technical problem that the return spring loses elasticity after long-term use in the prior art, which affects the replacement of the core.

[0006] In order to achieve the above object, the utility model discloses a mould can change formula injection mould, including work table, outer mould, mould core spare and moving component, the moving component includes handle, slide rail, transmission assembly, two sliding parts, two support arms, two fixed frame and buckle plate, the outer mould with work table fixed connection lies in one end of work table, the mould core spare with outer mould sliding connection lies in one end of mould core spare, handle with slide rail sets up on outer mould respectively, one end of transmission assembly with handle fixed connection lies in one end of handle, the other end of transmission assembly with slide rail swing joint lies in one end of slide rail, two sliding parts with transmission assembly sliding connection lies in one end of transmission assembly, and each support arm with corresponding sliding part swing joint lies in one end of corresponding sliding part, and one end of each fixed frame with support arm swing joint lies in one end of corresponding support arm, and the other end of two fixed frame with buckle plate fixed connection lies in one end of buckle plate and is symmetrically arranged, and buckle plate with mould core spare detachable connection lies in one end of mould core spare.

[0007] Wherein, the transmission assembly includes transmission rod and two screw rods, two screw rods with transmission rod fixed connection lies in one end of transmission rod.

[0008] Wherein, each sliding part includes slider and frame, the slider with corresponding screw rod sliding connection lies in one end of corresponding screw rod, and the frame with slider fixed connection lies in one end of slider.

[0009] Wherein, each support arm includes support rod and connecting block, the support rod with frame swing joint lies in one end of frame, and the connecting block with support rod fixed connection lies in one end of support rod.

[0010] Wherein, each fixed frame includes frame body and fixed rod, one end of fixed rod with frame body fixed connection lies in one end of frame body, and the other end of fixed rod with connecting block swing joint lies in one end of connecting block.

[0011] The utility model discloses a mould replaceable injection mold, handle and the slide rail are arranged on the outer mode respectively, one end of transmission assembly is fixedly connected with handle, and is located one end of handle, the other end of transmission assembly is rotatably connected with the slide rail, and is located one end of the slide rail, two the sliding parts are slidably connected with transmission assembly, and are symmetrically arranged one end of transmission assembly, every fixed frame is rotatably connected with the corresponding branch, and is located one end of the corresponding branch, one end of every fixed frame is rotatably connected with the branch, and is located one end of the corresponding branch, the other end of two fixed frames is fixedly connected with the buckle plate, and is symmetrically arranged one end of the buckle plate, the buckle plate is detachably connected with the mould core spare, and is located one end of the mould core spare, utilizes spanner to rotate handle, handle drives transmission assembly to rotate, transmission assembly drives two the sliding parts to move oppositely in the slide rail, two the sliding parts drive two the branch to move oppositely, two the branch drives the buckle plate to move upwards through two fixed frames, the buckle plate removes the mould core spare from the outer mode, then can replace with taking off the mould core spare from the buckle plate, and this method can effectively solve the problem of losing elasticity due to the spring of aftertaste long -term use easily, influence mould core replacement. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0013] Figure 1 It is the structure schematic drawing of the mould replaceable injection mold of the utility model.

[0014] Figure 2 It is the side view of the mould replaceable injection mold of the utility model.

[0015] Figure 3 It is the structure section view of A-A line of the utility model. Figure 2

[0016] Figure 4 It is the structure schematic drawing of transmission assembly of the utility model.

[0017] ​101-workbench, 102-outer mold, 103-mold core piece, 104-handle, 105-slideway, 106-fastening plate, 107-transmission rod, 108-screw rod, 109-sliding block, 110-frame, 111-supporting rod, 112-connecting block, 113-frame body, 114-fixing rod. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described in detail below, examples of which are shown in the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.

[0019] Please refer to Figures 1-4 , wherein Figure 1 is a structure diagram of a mold replaceable injection mold of the present application, Figure 2 is a side view of a mold replaceable injection mold of the present application, Figure 3 is a structure diagram of a mold replaceable injection mold of the present application, Figure 2 is a structure sectional view of A-A line of the present application, Figure 4 is a structure diagram of a transmission assembly of the present application.

[0020] The present application provides a mold replaceable injection mold, comprising a workbench 101, an outer mold 102, a mold core piece 103, a handle 104, a slideway 105, a fastening plate 106, a transmission rod 107, a screw rod 108, a sliding block 109, a frame 110, a supporting rod 111, a connecting block 112, a frame body 113 and a fixing rod 114. The foregoing scheme solves the problem that the taste spring easily loses elasticity after long time use, affecting the mold core replacement.

[0021] For this specific embodiment, the outer mold 102 is fixedly connected with the workbench 101 and located at one end of the workbench 101, the mold core 103 is slidingly connected with the outer mold 102 and located at one end of the mold core 103, the handle 104 and the slide rail 105 are arranged on the outer mold 102 respectively, one end of the transmission assembly is fixedly connected with the handle 104 and located at one end of the handle 104, the other end of the transmission assembly is rotatably connected with the slide rail 105 and located at one end of the slide rail 105, the two sliding parts are slidingly connected with the transmission assembly and symmetrically arranged at one end of the transmission assembly, each supporting arm is rotatably connected with the corresponding sliding part and located at one end of the corresponding sliding part, one end of each fixing frame is rotatably connected with the supporting arm and located at one end of the corresponding supporting arm, the other ends of the two fixing frames are fixedly connected with the buckle plate 106 and symmetrically arranged at one end of the buckle plate 106, the buckle plate 106 is detachably connected with the mold core 103 and located at one end of the mold core 103, the handle 104 is rotated by using a wrench, the handle 104 drives the transmission assembly to rotate, the transmission assembly drives the two sliding parts to move relatively in the slide rail 105, the two sliding parts drive the two supporting arms to move relatively, the two supporting arms drive the buckle plate 106 to move upward through the two fixing frames, the buckle plate 106 removes the mold core 103 from the outer mold 102, and then the mold core 103 is taken off from the buckle plate 106, so that the mold core 103 can be replaced, thereby facilitating the replacement of the mold core 103.

[0022] Among them, the transmission assembly includes a transmission rod 107 and two screw rods 108, the two screw rods 108 are fixedly connected with the transmission rod 107 and symmetrically arranged at one end of the transmission rod 107, and the transmission rod 107 drives the two screw rods 108 to rotate.

[0023] Secondly, each sliding part includes a sliding block 109 and a frame 110, the sliding block 109 is slidingly connected with the corresponding screw rod 108 and located at one end of the corresponding screw rod 108, and the frame 110 is fixedly connected with the sliding block 109 and located at one end of the sliding block 109, the screw rod 108 drives the sliding block 109 to move, and the sliding block 109 drives the frame 110 to move.

[0024] Meanwhile, each supporting arm includes a supporting rod 111 and a connecting block 112, the supporting rod 111 is rotatably connected with the frame 110 and located at one end of the frame 110, and the connecting block 112 is fixedly connected with the supporting rod 111 and located at one end of the supporting rod 111, the frame 110 drives the connecting block 112 to move through the supporting rod 111.

[0025] In addition, each of the fixing frames comprises a frame body 113 and a fixing rod 114, one end of the fixing rod 114 is fixedly connected with the frame body 113 and located at one end of the frame body 113, and the other end of the fixing rod 114 is rotatably connected with the connecting block 112 and located at one end of the connecting block 112, and the connecting block 112 drives the frame body 113 to move through the fixing rod 114.

[0026] When the mold changeable injection mold of the embodiment is used, the handle 104 is rotated by using a wrench, the handle 104 drives two screw rods 108 to rotate through the transmission rod 107, the two screw rods 108 drive two sliding blocks 109 to relatively move in the slide rails 105, the two sliding blocks 109 drive the frame 110 to relatively move, the two frames 110 drive two connecting blocks 112 to relatively move through two supporting rods 111, and the two connecting blocks 112 drive two frame bodies 113 to move the buckle body upward through two fixing rods 114, the buckle body moves the mold core member 103 out of the outer mold 102, and then the mold core member 103 is taken off from the buckle plate 106, so that the mold core member 103 can be replaced, thereby facilitating replacement of the mold core member 103.

[0027] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope of the utility model.

Claims

1. A mold exchangeable injection mold, comprising a workbench, an outer mold and a mold core piece, the outer mold is fixedly connected with the workbench and located at one end of the workbench, the mold core piece is slidingly connected with the outer mold and located at one end of the mold core piece, characterized in that, It also includes a moving component, The moving component includes a handle, a slide rail, a transmission assembly, two sliding parts, two supporting arms, two fixing frames and a buckle plate, the handle and the slide rail are respectively arranged on the outer mold, one end of the transmission assembly is fixedly connected with the handle and located at one end of the handle, the other end of the transmission assembly is rotatably connected with the slide rail and located at one end of the slide rail, two sliding parts are slidingly connected with the transmission assembly and symmetrically arranged at one end of the transmission assembly, each supporting arm is rotatably connected with the corresponding sliding part and located at one end of the corresponding sliding part, one end of each fixing frame is rotatably connected with the supporting arm and located at one end of the corresponding supporting arm, the other end of the two fixing frames is fixedly connected with the buckle plate and symmetrically arranged at one end of the buckle plate, the buckle plate is detachably connected with the mold core piece and located at one end of the mold core piece.

2. The mold exchangeable injection mold of claim 1, characterized in that, The transmission assembly includes a transmission rod and two screw rods, two screw rods are fixedly connected with the transmission rod and symmetrically arranged at one end of the transmission rod.

3. The mold exchangeable injection mold of claim 2, characterized in that, Each sliding part includes a sliding block and a frame, the sliding block is slidingly connected with the corresponding screw rod and located at one end of the corresponding screw rod, the frame is fixedly connected with the sliding block and located at one end of the sliding block.

4. The mold exchangeable injection mold of claim 3, characterized in that, Each supporting arm includes a supporting rod and a connecting block, the supporting rod is rotatably connected with the frame and located at one end of the frame, the connecting block is fixedly connected with the supporting rod and located at one end of the supporting rod.

5. The mold exchangeable injection mold of claim 4, characterized in that, Each fixing frame includes a frame body and a fixing rod, one end of the fixing rod is fixedly connected with the frame body and located at one end of the frame body, the other end of the fixing rod is rotatably connected with the connecting block and located at one end of the connecting block.

Citation Information

Patent Citations

  • Mold core replaceable type injection mold

    CN210011256U