Injection molding screw structure of injection molding machine

By introducing a locking and aligning design with a locking block and slot into the injection screw structure of the injection molding machine, the problem of difficult installation in the existing technology is solved, and a fast and convenient screw connection is achieved.

CN223604944UActive Publication Date: 2025-11-28NINGBO HAIZHOU MASCH CO LTD
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Patent Information

Application Number
CN202422936167.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-28
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The existing injection screw structure of injection molding machines requires alignment of the mating block and mating groove during installation, which increases the difficulty of connection and affects operating efficiency.

Method used

It adopts a block and slot structure. Through the cooperation of the block and slot, it uses springs and threaded rods to achieve automatic alignment and locking, simplifying the installation process.

Benefits of technology

This allows for quick connection of the screw without aligning the mating blocks and grooves, improving the convenience and efficiency of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The injection molding screw structure of the injection molding machine comprises a first screw and a second screw, the outside of the second screw is fixedly connected with a first connecting plate, and the side, away from the second screw, of the inside of the first connecting plate is fixedly connected with a fixing shaft; second connecting plates are arranged outside the fixing shaft and located on the two corresponding side edges of the first connecting plate in a sleeving mode. According to the injection molding screw rod structure of the injection molding machine, the threaded rod is pressed and drives the clamping block to be separated from the clamping groove, the first screw rod and the second screw rod can be folded by rotating the first screw rod and the second screw rod, and if the first screw rod and the second screw rod need to be connected, the first screw rod and the second screw rod can be directly rotated until the first screw rod and the second screw rod are located on the same straight line; the clamping block can be automatically clamped with the clamping groove under the action of the spring, finally the nut is screwed to lock the threaded rod, connection of the first screw rod and the second screw rod can be completed, the operation of aligning the first screw rod and the second screw rod is not needed, and more convenience and rapidness are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field more specifically, relate to a kind of injection molding machine injection molding screw structure. BACKGROUND

[0002] Injection molding machine is also known as injection molding machine or injection machine.It is the main molding equipment for thermoplastic or thermosetting plastics to be made into various shapes of plastic products using plastic molding die.It is divided into vertical, horizontal and all-electric type.Injection molding machine can heat plastic, apply high pressure to molten plastic, and make it fill the mold cavity.In the operation process of injection molding machine, injection molding screw structure is needed to advance.

[0003] Chinese patent discloses patent No. CN202121579263.4 injection molding machine injection molding screw structure, the utility model discloses a first connecting rod and second screw are connected by the clamping mechanism, when the first connecting rod and second screw are needed to be disassembled and separated, press down the convex round rod, the first connecting rod and second screw can be separated conveniently, so as to be convenient for storage and transportation, but there are still some problems, the first screw and the second screw of the utility model can be directly disassembled, although the overall length is reduced, it is convenient to move, but when installing the first screw and the second screw, the butt joint block and the butt joint groove need to be aligned, if the butt joint block and the butt joint groove are not aligned, normal connection cannot be realized, it is more challenging for the user to operate, and the difficulty of connecting the first screw and the second screw is increased, therefore, we provide a kind of injection molding machine injection molding screw structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of injection molding machine injection molding screw structure to solve the problems raised in the above background technology:

[0005] Some injection molding machine injection molding screw structure first screw and second screw can be directly disassembled, although the overall length is reduced, it is convenient to move, but when installing the first screw and the second screw, the butt joint block and the butt joint groove need to be aligned, if the butt joint block and the butt joint groove are not aligned, normal connection cannot be realized, it is more challenging for the user to operate, and the difficulty of connecting the first screw and the second screw is increased.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides an injection molding machine injection molding screw structure, including first screw rod and second screw rod, the outside fixed connection of second screw rod has first connecting plate, the inside of first connecting plate is fixedly connected with fixed shaft away from second screw rod side, the outside of fixed shaft and the both sides of first connecting plate correspond are equipped with the second connecting plate of set, second connecting plate and fixed shaft rotatory connection, first screw rod and second connecting plate fixed connection, first screw rod and second screw rod are connected through first connecting plate, second connecting plate and fixed shaft, the inside of second screw rod is equipped with first recess near first connecting plate side, the inside of second screw rod is equipped with through -hole away from first connecting plate side, through -hole and first recess intercommunication, the inside of first recess is connected with the clamping block of sliding, the bottom of clamping block is fixedly connected with threaded rod, threaded rod passes through through -hole and extends to the outside of second screw rod, the inside of first screw rod is equipped with the clamping groove of using, clamping groove is used in pairs with clamping block, and the connection between first screw rod and second screw rod is fixed with clamping block and clamping groove.

[0008] Preferably, the inside of the clamping block is away from the threaded rod side and is provided with a second recess, the second recess is provided with a spring, one end of the spring is attached to the inner wall of the second recess, the other end of the spring is attached to the inner wall of the first recess, the spring is used to drive the clamping block to automatically reset, the spring is placed in the second recess, and the spring can be limited by the second recess.

[0009] Preferably, the outside of the first screw rod is fixedly connected with a screw head away from the second screw rod end.

[0010] Preferably, the cross section of the first recess is rectangular structure, the outside wall of the clamping block is attached to the inside wall of the first recess, the clamping block is tightly attached to the first recess, and the clamping block is limited by the first recess.

[0011] Preferably, the outside of the threaded rod is sleeved with a nut, the nut is threadedly connected with the threaded rod, the clamping block in the first recess can be locked by the nut cooperating with the threaded rod, and the clamping block can be prevented from automatically separating from the clamping groove.

[0012] Preferably, the outside wall of the threaded rod is attached to the inside wall of the through hole, the threaded rod is slidably connected with the through hole, the clamping block in the first recess can be moved by pressing the threaded rod, so that the clamping block is separated from the clamping groove, thereby unlocking the second screw rod, and since the threaded rod is tightly attached to the through hole, the clamping block can be limited by the threaded rod and the through hole, so that the clamping block will not shake.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Press the threaded rod, the threaded rod is driven to separate the clamping block and the clamping groove, and the first screw rod and the second screw rod are rotated to be folded, if it is needed to connect the first screw rod and the second screw rod, the first screw rod and the second screw rod can be directly rotated until the first screw rod and the second screw rod are in the same straight line, in the process, the clamping block is automatically clamped with the clamping groove under the action of the spring, finally, the nut is tightened to lock the threaded rod, and the connection of the first screw rod and the second screw rod can be completed, the operation of aligning the first screw rod and the second screw rod is not needed, and it is more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure schematic diagram of the whole before unfolding of the utility model;

[0016] Fig. 2 It is a structure schematic diagram of the whole before unfolding of the utility model;

[0017] Fig. 3 It is a structure schematic diagram of the whole before unfolding of the utility model;

[0018] Fig. 4 It is a structure schematic diagram of the whole before unfolding of the utility model;

[0019] Mark number explanation: 1, first screw rod; 2, second screw rod; 3, first connecting plate; 4, fixed shaft; 5, second connecting plate; 6, first recess; 7, through hole; 8, clamping block; 9, threaded rod; 10, clamping groove; 11, second recess; 12, spring; 13, screw head; 14, nut. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 4The utility model provides an injection molding machine injection molding screw structure, including first screw 1 and second screw 2, the outside fixed connection of second screw 2 has first connecting plate 3, the inside fixed connection of first connecting plate 3 away from second screw 2's one side has fixed shaft 4, the outside of fixed shaft 4 and located the both sides of first connecting plate 3 correspondingly are all set with second connecting plate 5, second connecting plate 5 is rotatably connected with fixed shaft 4, first screw 1 is fixedly connected with second connecting plate 5, and first screw 1 and second screw 2 are connected through first connecting plate 3, second connecting plate 5 and fixed shaft 4, under the action of first connecting plate 3, second connecting plate 5 and fixed shaft 4, first screw 1 and second screw 2 can be folded or unfolded, which is convenient for use, transportation and storage, the inside of second screw 2 is close to the one side of first connecting plate 3 and is set with first recess 6, and the inside of second screw 2 is away from the one side of first connecting plate 3 and is set with through hole 7, and through hole 7 is communicated with first recess 6, the inside of first recess 6 is slidably connected with clamping block 8, the bottom of clamping block 8 is fixedly connected with threaded rod 9, threaded rod 9 passes through through hole 7 and extends to the outside of second screw 2, and the inside of first screw 1 is set with clamping groove 10, and clamping groove 10 is used in cooperation with clamping block 8, and clamping block 8 and clamping groove 10 are used to connect and fix between first screw 1 and second screw 2.

[0022] Further, the inside of clamping block 8 is away from the one side of threaded rod 9 and is set with second recess 11, spring 12 is arranged in second recess 11, one end of spring 12 is attached to the inner wall of second recess 11, the other end of spring 12 is attached to the inner wall of first recess 6, spring 12 is used to drive clamping block 8 to automatically reset, spring 12 is placed in second recess 11, and spring 12 can be limited through second recess 11, so that spring 12 will not be dislocated and popped out to one side.

[0023] Further, the one end of first screw 1 is fixedly connected with screw head 13 away from the outside of second screw 2.

[0024] Further, the cross section of first recess 6 is rectangular structure, the outside wall of clamping block 8 is attached to the inner wall of first recess 6, clamping block 8 is tightly attached to first recess 6, and first recess 6 is used to limit clamping block 8, so that clamping block 8 moves more stably in first recess 6.

[0025] Further, the outside of threaded rod 9 is set with nut 14, nut 14 is threadedly connected with threaded rod 9, and nut 14 is used in cooperation with threaded rod 9 to lock clamping block 8 in first recess 6, so that clamping block 8 can not automatically separate from clamping groove 10, and the fastening of the connection between second screw 2 and first screw 1 is ensured.

[0026] Further, the outer side wall of the threaded rod 9 is attached to the inner side wall of the through hole 7, the threaded rod 9 is in sliding connection with the through hole 7, by pressing the threaded rod 9, the clamping block 8 in the first groove 6 can be moved, so that the clamping block 8 is separated from the clamping groove 10, thereby unlocking the second screw rod 2, since the threaded rod 9 is closely attached to the through hole 7, the threaded rod 9 and the through hole 7 can be used to limit the clamping block 8, so that the clamping block 8 will not shake, which is beneficial to the combination and separation of the clamping block 8 and the clamping groove 10.

[0027] The use steps of the utility model are as follows: when the injection molding screw rod structure of the injection molding machine is used, if it is needed to fold the first screw rod 1 and the second screw rod 2, the threaded rod 9 can be directly pressed, the threaded rod 9 will directly drive the clamping block 8 to separate from the clamping groove 10, at this time, the first screw rod 1 and the second screw rod 2 can be directly rotated, when it is needed to connect the first screw rod 1 and the second screw rod 2, the first screw rod 1 and the second screw rod 2 are directly rotated until the first screw rod 1 and the second screw rod 2 are in the same straight line, in the process, the clamping block 8 will be automatically clamped with the clamping groove 10 under the action of the spring 12, finally, the nut 14 is tightened to lock the threaded rod 9, and the connection of the first screw rod 1 and the second screw rod 2 can be completed, without the operation of aligning the first screw rod 1 and the second screw rod 2, it is more convenient and fast.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and descriptions in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Injection molding machine injection molding screw arrangement comprising a first screw (1) and a second screw (2), characterized in that: The outside of the second screw rod (2) is fixedly connected with a first connecting plate (3), the inside of the first connecting plate (3) is fixedly connected with a fixed shaft (4) away from the second screw rod (2), the outside of the fixed shaft (4) and the corresponding two sides of the first connecting plate (3) are sleeved with a second connecting plate (5), the second connecting plate (5) is rotatably connected with the fixed shaft (4), the first screw rod (1) is fixedly connected with the second connecting plate (5), the inside of the second screw rod (2) is provided with a first recess (6) close to the first connecting plate (3), the inside of the second screw rod (2) is provided with a through hole (7) away from the first connecting plate (3), the through hole (7) is communicated with the first recess (6), the inside of the first recess (6) is slidably connected with a clamping block (8), the bottom of the clamping block (8) is fixedly connected with a threaded rod (9), the threaded rod (9) passes through the through hole (7) and extends to the outside of the second screw rod (2), the inside of the first screw rod (1) is provided with a clamping groove (10), and the clamping groove (10) is used in cooperation with the clamping block (8).

2. An injection molding screw structure for an injection molding machine according to claim 1, characterized in that: The inside of the clamping block (8) is provided with a second recess (11) away from the threaded rod (9), the inside of the second recess (11) is provided with a spring (12), one end of the spring (12) is attached to the inner wall of the second recess (11), and the other end of the spring (12) is attached to the inner wall of the first recess (6).

3. The injection molding screw configuration for an injection molding machine of claim 1 wherein: The outside of the first screw rod (1) is fixedly connected with a screw rod head (13) away from the second screw rod (2).

4. The injection molding screw configuration for an injection molding machine of claim 1 wherein: The first recess (6) has a rectangular structure in cross section, and the outer side wall of the clamping block (8) is attached to the inner side wall of the first recess (6).

5. The injection molding screw configuration for an injection molding machine of claim 1 wherein: The outside of the threaded rod (9) is sleeved with a nut (14), and the nut (14) is threadedly connected with the threaded rod (9).

6. The injection molding screw configuration for an injection molding machine of claim 1 wherein: The outer side wall of the threaded rod (9) is attached to the inner side wall of the through hole (7), and the threaded rod (9) is slidably connected with the through hole (7).

Citation Information

Patent Citations

  • Injection molding screw structure of injection molding machine

    CN215619770U